#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
-#endif /* LIBC_SCCS and not lint */
+#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-int opterr = 1, /* if error message should be printed */
- optind = 1, /* index into parent argv vector */
- optopt, /* character checked for validity */
- optreset; /* reset getopt */
-char *optarg; /* argument associated with option */
+int opterr = 1, /* if error message should be printed */
+ optind = 1, /* index into parent argv vector */
+ optopt, /* character checked for validity */
+ optreset; /* reset getopt */
+char *optarg; /* argument associated with option */
#define BADCH (int)'?'
#define BADARG (int)':'
const char *ostr;
{
# define __progname nargv[0]
- static char *place = EMSG; /* option letter processing */
- char *oli; /* option letter list index */
+ static char *place = EMSG; /* option letter processing */
+ char *oli; /* option letter list index */
- if (optreset || !*place) { /* update scanning pointer */
- optreset = 0;
- if (optind >= nargc || *(place = nargv[optind]) != '-') {
- place = EMSG;
- return (-1);
- }
- if (place[1] && *++place == '-') { /* found "--" */
- ++optind;
- place = EMSG;
- return (-1);
- }
- } /* option letter okay? */
- if ((optopt = (int) *place++) == (int) ':' ||
- !(oli = strchr(ostr, optopt))) {
- /*
- * if the user didn't specify '-' as an option,
- * assume it means -1.
- */
- if (optopt == (int) '-')
- return (-1);
- if (!*place)
- ++optind;
- if (opterr && *ostr != ':')
- (void) fprintf(stderr,
- "%s: illegal option -- %c\n", __progname, optopt);
- return (BADCH);
+ if (optreset || !*place) { /* update scanning pointer */
+ optreset = 0;
+ if (optind >= nargc || *(place = nargv[optind]) != '-') {
+ place = EMSG;
+ return (-1);
}
- if (*++oli != ':') { /* don't need argument */
- optarg = NULL;
- if (!*place)
- ++optind;
- } else { /* need an argument */
- if (*place) /* no white space */
- optarg = place;
- else if (nargc <= ++optind) { /* no arg */
- place = EMSG;
- if (*ostr == ':')
- return (BADARG);
- if (opterr)
- (void) fprintf(stderr,
- "%s: option requires an argument -- %c\n",
- __progname, optopt);
- return (BADCH);
- } else /* white space */
- optarg = nargv[optind];
- place = EMSG;
- ++optind;
+ if (place[1] && *++place == '-') { /* found "--" */
+ ++optind;
+ place = EMSG;
+ return (-1);
}
- return (optopt); /* dump back option letter */
+ } /* option letter okay? */
+ if ((optopt = (int) *place++) == (int) ':' ||
+ !(oli = strchr(ostr, optopt))) {
+ /*
+ * if the user didn't specify '-' as an option,
+ * assume it means -1.
+ */
+ if (optopt == (int) '-')
+ return (-1);
+ if (!*place)
+ ++optind;
+ if (opterr && *ostr != ':')
+ (void) fprintf(stderr,
+ "%s: illegal option -- %c\n", __progname,
+ optopt);
+ return (BADCH);
+ }
+ if (*++oli != ':') { /* don't need argument */
+ optarg = NULL;
+ if (!*place)
+ ++optind;
+ } else { /* need an argument */
+ if (*place) /* no white space */
+ optarg = place;
+ else if (nargc <= ++optind) { /* no arg */
+ place = EMSG;
+ if (*ostr == ':')
+ return (BADARG);
+ if (opterr)
+ (void) fprintf(stderr,
+ "%s: option requires an argument -- %c\n",
+ __progname, optopt);
+ return (BADCH);
+ } else /* white space */
+ optarg = nargv[optind];
+ place = EMSG;
+ ++optind;
+ }
+ return (optopt); /* dump back option letter */
}
extern int getopt(int nargc, char *const *nargv, const char *ostr);
-#endif /* _GETOPT_H_ */
+#endif /* _GETOPT_H_ */
typedef unsigned long int UINT4;
typedef struct {
- UINT2 bfType; /* 'BM' for Bitmap (19776) */
- UINT4 bfSize; /* Size of the file */
- UINT2 bfReserved1; /* Reserved : 0 */
- UINT2 bfReserved2; /* Reserved : 0 */
- UINT4 bfOffBits; /* Offset */
+ UINT2 bfType; /* 'BM' for Bitmap (19776) */
+ UINT4 bfSize; /* Size of the file */
+ UINT2 bfReserved1; /* Reserved : 0 */
+ UINT2 bfReserved2; /* Reserved : 0 */
+ UINT4 bfOffBits; /* Offset */
} BITMAPFILEHEADER_t;
typedef struct {
- UINT4 biSize; /* Size of the structure in bytes */
- UINT4 biWidth; /* Width of the image in pixels */
- UINT4 biHeight; /* Heigth of the image in pixels */
- UINT2 biPlanes; /* 1 */
- UINT2 biBitCount; /* Number of color bits by pixels */
- UINT4 biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */
- UINT4 biSizeImage; /* Size of the image in bytes */
- UINT4 biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */
- UINT4 biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */
- UINT4 biClrUsed; /* Number of color used in the image (0: ALL) */
- UINT4 biClrImportant; /* Number of important color (0: ALL) */
+ UINT4 biSize; /* Size of the structure in bytes */
+ UINT4 biWidth; /* Width of the image in pixels */
+ UINT4 biHeight; /* Heigth of the image in pixels */
+ UINT2 biPlanes; /* 1 */
+ UINT2 biBitCount; /* Number of color bits by pixels */
+ UINT4 biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */
+ UINT4 biSizeImage; /* Size of the image in bytes */
+ UINT4 biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */
+ UINT4 biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */
+ UINT4 biClrUsed; /* Number of color used in the image (0: ALL) */
+ UINT4 biClrImportant; /* Number of important color (0: ALL) */
} BITMAPINFOHEADER_t;
-int bmptoimage(char *filename, j2k_image_t * img, int subsampling_dx, int subsampling_dy, int Dim[2])
+int bmptoimage(char *filename, j2k_image_t * img, int subsampling_dx,
+ int subsampling_dy, int Dim[2])
{
- FILE *IN;
- FILE *Compo0 = NULL, *Compo1 = NULL, *Compo2 = NULL;
- BITMAPFILEHEADER_t File_h;
- BITMAPINFOHEADER_t Info_h;
- unsigned char *RGB;
- unsigned char *table_R, *table_G, *table_B;
- int i, w, h, PAD, type = 0;
- int gray_scale = 1, not_end_file = 1, line = 0, col = 0;
- unsigned char v, v2;
- UINT4 W, H;
-
- IN = fopen(filename, "rb");
- if (!IN) {
- fprintf(stderr, "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", filename);
- return 0;
- }
-
- File_h.bfType = getc(IN);
- File_h.bfType = (getc(IN) << 8) + File_h.bfType;
-
- if (File_h.bfType != 19778) {
- printf("Error, not a BMP file!\n");
- return 0;
- } else {
- /* FILE HEADER */
- /* ------------- */
- File_h.bfSize = getc(IN);
- File_h.bfSize = (getc(IN) << 8) + File_h.bfSize;
- File_h.bfSize = (getc(IN) << 16) + File_h.bfSize;
- File_h.bfSize = (getc(IN) << 24) + File_h.bfSize;
-
- File_h.bfReserved1 = getc(IN);
- File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1;
-
- File_h.bfReserved2 = getc(IN);
- File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2;
-
- File_h.bfOffBits = getc(IN);
- File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits;
- File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits;
- File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits;
-
- /* INFO HEADER */
- /* ------------- */
-
- Info_h.biSize = getc(IN);
- Info_h.biSize = (getc(IN) << 8) + Info_h.biSize;
- Info_h.biSize = (getc(IN) << 16) + Info_h.biSize;
- Info_h.biSize = (getc(IN) << 24) + Info_h.biSize;
-
- Info_h.biWidth = getc(IN);
- Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth;
- Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth;
- Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth;
- w = Info_h.biWidth;
-
- Info_h.biHeight = getc(IN);
- Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight;
- Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight;
- Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight;
- h = Info_h.biHeight;
-
- Info_h.biPlanes = getc(IN);
- Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes;
-
- Info_h.biBitCount = getc(IN);
- Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount;
-
- Info_h.biCompression = getc(IN);
- Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression;
- Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression;
- Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression;
-
- Info_h.biSizeImage = getc(IN);
- Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage;
- Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage;
- Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage;
-
- Info_h.biXpelsPerMeter = getc(IN);
- Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter;
- Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter;
- Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter;
-
- Info_h.biYpelsPerMeter = getc(IN);
- Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter;
- Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter;
- Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter;
-
- Info_h.biClrUsed = getc(IN);
- Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed;
- Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed;
- Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed;
-
- Info_h.biClrImportant = getc(IN);
- Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant;
- Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant;
- Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant;
-
- /* Read the data and store them in the OUT file */
-
- if (Info_h.biBitCount == 24) {
- img->x0 = Dim[0];
- img->y0 = Dim[1];
- img->x1 = !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - 1) * subsampling_dx + 1;
- img->y1 = !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - 1) * subsampling_dy + 1;
- img->numcomps = 3;
- img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
- for (i = 0; i < img->numcomps; i++) {
- img->comps[i].prec = 8;
- img->comps[i].bpp = 8;
- img->comps[i].sgnd = 0;
- img->comps[i].dx = subsampling_dx;
- img->comps[i].dy = subsampling_dy;
- }
- Compo0 = fopen("Compo0", "wb");
- if (!Compo0) {
- fprintf(stderr, "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
- }
- Compo1 = fopen("Compo1", "wb");
- if (!Compo1) {
- fprintf(stderr, "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
- }
- Compo2 = fopen("Compo2", "wb");
- if (!Compo2) {
- fprintf(stderr, "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
- }
-
- /* Place the cursor at the beginning of the image information */
- fseek(IN, 0, SEEK_SET);
- fseek(IN, File_h.bfOffBits, SEEK_SET);
-
- W = Info_h.biWidth;
- H = Info_h.biHeight;
-
- // PAD = 4 - (3 * W) % 4;
- // PAD = (PAD == 4) ? 0 : PAD;
- PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
-
-
- RGB = (unsigned char *) malloc((3 * W + PAD) * H * sizeof(unsigned char));
-
- fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);
-
- for (i = 0; i < (3 * W + PAD) * H; i++)
- {
- unsigned char elmt;
- int Wp = 3 * W + PAD;
-
- elmt = RGB[(H - (i/Wp + 1)) * Wp + i % Wp];
- if ((i % Wp) < (3 * W))
- {
- switch (type)
- {
- case 0:
- fprintf(Compo2, "%c", elmt);
- type = 1;
- break;
- case 1:
- fprintf(Compo1, "%c", elmt);
- type = 2;
- break;
- case 2:
- fprintf(Compo0, "%c", elmt);
- type = 0;
- break;
- }
- }
- }
-
- fclose(Compo0);
- fclose(Compo1);
- fclose(Compo2);
- free(RGB);
- } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) {
- img->x0 = Dim[0];
- img->y0 = Dim[1];
- img->x1 = !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - 1) * subsampling_dx + 1;
- img->y1 = !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - 1) * subsampling_dy + 1;
-
- table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
- table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
- table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
-
- for (i = 0; i < Info_h.biClrUsed; i++) {
- table_B[i] = getc(IN);
- table_G[i] = getc(IN);
- table_R[i] = getc(IN);
- getc(IN);
- if (table_R[i] != table_G[i] && table_R[i] != table_B[i] && table_G[i] != table_B[i])
- gray_scale = 0;
- }
+ FILE *IN;
+ FILE *Compo0 = NULL, *Compo1 = NULL, *Compo2 = NULL;
+ BITMAPFILEHEADER_t File_h;
+ BITMAPINFOHEADER_t Info_h;
+ unsigned char *RGB;
+ unsigned char *table_R, *table_G, *table_B;
+ int i, w, h, PAD, type = 0;
+ int gray_scale = 1, not_end_file = 1, line = 0, col = 0;
+ unsigned char v, v2;
+ UINT4 W, H;
+
+ IN = fopen(filename, "rb");
+ if (!IN) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open %s for reading !!\033[0;39m\n",
+ filename);
+ return 0;
+ }
+
+ File_h.bfType = getc(IN);
+ File_h.bfType = (getc(IN) << 8) + File_h.bfType;
+
+ if (File_h.bfType != 19778) {
+ printf("Error, not a BMP file!\n");
+ return 0;
+ } else {
+ /* FILE HEADER */
+ /* ------------- */
+ File_h.bfSize = getc(IN);
+ File_h.bfSize = (getc(IN) << 8) + File_h.bfSize;
+ File_h.bfSize = (getc(IN) << 16) + File_h.bfSize;
+ File_h.bfSize = (getc(IN) << 24) + File_h.bfSize;
+
+ File_h.bfReserved1 = getc(IN);
+ File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1;
+
+ File_h.bfReserved2 = getc(IN);
+ File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2;
+
+ File_h.bfOffBits = getc(IN);
+ File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits;
+ File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits;
+ File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits;
+
+ /* INFO HEADER */
+ /* ------------- */
+
+ Info_h.biSize = getc(IN);
+ Info_h.biSize = (getc(IN) << 8) + Info_h.biSize;
+ Info_h.biSize = (getc(IN) << 16) + Info_h.biSize;
+ Info_h.biSize = (getc(IN) << 24) + Info_h.biSize;
+
+ Info_h.biWidth = getc(IN);
+ Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth;
+ Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth;
+ Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth;
+ w = Info_h.biWidth;
+
+ Info_h.biHeight = getc(IN);
+ Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight;
+ Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight;
+ Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight;
+ h = Info_h.biHeight;
+
+ Info_h.biPlanes = getc(IN);
+ Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes;
+
+ Info_h.biBitCount = getc(IN);
+ Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount;
+
+ Info_h.biCompression = getc(IN);
+ Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression;
+ Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression;
+ Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression;
+
+ Info_h.biSizeImage = getc(IN);
+ Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage;
+ Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage;
+ Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage;
+
+ Info_h.biXpelsPerMeter = getc(IN);
+ Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter;
+ Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter;
+ Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter;
+
+ Info_h.biYpelsPerMeter = getc(IN);
+ Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter;
+ Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter;
+ Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter;
+
+ Info_h.biClrUsed = getc(IN);
+ Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed;
+ Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed;
+ Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed;
+
+ Info_h.biClrImportant = getc(IN);
+ Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant;
+ Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant;
+ Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant;
+
+ /* Read the data and store them in the OUT file */
+
+ if (Info_h.biBitCount == 24) {
+ img->x0 = Dim[0];
+ img->y0 = Dim[1];
+ img->x1 =
+ !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
+ 1) *
+ subsampling_dx + 1;
+ img->y1 =
+ !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
+ 1) *
+ subsampling_dy + 1;
+ img->numcomps = 3;
+ img->comps =
+ (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
+ for (i = 0; i < img->numcomps; i++) {
+ img->comps[i].prec = 8;
+ img->comps[i].bpp = 8;
+ img->comps[i].sgnd = 0;
+ img->comps[i].dx = subsampling_dx;
+ img->comps[i].dy = subsampling_dy;
+ }
+ Compo0 = fopen("Compo0", "wb");
+ if (!Compo0) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
+ }
+ Compo1 = fopen("Compo1", "wb");
+ if (!Compo1) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
+ }
+ Compo2 = fopen("Compo2", "wb");
+ if (!Compo2) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
+ }
+
+ /* Place the cursor at the beginning of the image information */
+ fseek(IN, 0, SEEK_SET);
+ fseek(IN, File_h.bfOffBits, SEEK_SET);
+
+ W = Info_h.biWidth;
+ H = Info_h.biHeight;
+
+ // PAD = 4 - (3 * W) % 4;
+ // PAD = (PAD == 4) ? 0 : PAD;
+ PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
+
+
+ RGB =
+ (unsigned char *) malloc((3 * W + PAD) * H *
+ sizeof(unsigned char));
+
+ fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);
+
+ for (i = 0; i < (3 * W + PAD) * H; i++) {
+ unsigned char elmt;
+ int Wp = 3 * W + PAD;
+
+ elmt = RGB[(H - (i / Wp + 1)) * Wp + i % Wp];
+ if ((i % Wp) < (3 * W)) {
+ switch (type) {
+ case 0:
+ fprintf(Compo2, "%c", elmt);
+ type = 1;
+ break;
+ case 1:
+ fprintf(Compo1, "%c", elmt);
+ type = 2;
+ break;
+ case 2:
+ fprintf(Compo0, "%c", elmt);
+ type = 0;
+ break;
+ }
+ }
+ }
+
+ fclose(Compo0);
+ fclose(Compo1);
+ fclose(Compo2);
+ free(RGB);
+ } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) {
+ img->x0 = Dim[0];
+ img->y0 = Dim[1];
+ img->x1 =
+ !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
+ 1) *
+ subsampling_dx + 1;
+ img->y1 =
+ !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
+ 1) *
+ subsampling_dy + 1;
+
+ table_R =
+ (unsigned char *) malloc(256 * sizeof(unsigned char));
+ table_G =
+ (unsigned char *) malloc(256 * sizeof(unsigned char));
+ table_B =
+ (unsigned char *) malloc(256 * sizeof(unsigned char));
+
+ for (i = 0; i < Info_h.biClrUsed; i++) {
+ table_B[i] = getc(IN);
+ table_G[i] = getc(IN);
+ table_R[i] = getc(IN);
+ getc(IN);
+ if (table_R[i] != table_G[i] && table_R[i] != table_B[i]
+ && table_G[i] != table_B[i])
+ gray_scale = 0;
+ }
+
+ /* Place the cursor at the beginning of the image information */
+ fseek(IN, 0, SEEK_SET);
+ fseek(IN, File_h.bfOffBits, SEEK_SET);
+
+ W = Info_h.biWidth;
+ H = Info_h.biHeight;
+ if (Info_h.biWidth % 2)
+ W++;
+
+ RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
+
+ fread(RGB, sizeof(unsigned char), W * H, IN);
+ if (gray_scale) {
+ img->numcomps = 1;
+ img->comps =
+ (j2k_comp_t *) malloc(img->numcomps *
+ sizeof(j2k_comp_t));
+ img->comps[0].prec = 8;
+ img->comps[0].bpp = 8;
+ img->comps[0].sgnd = 0;
+ img->comps[0].dx = subsampling_dx;
+ img->comps[0].dy = subsampling_dy;
+ Compo0 = fopen("Compo0", "wb");
+ if (!Compo0) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
+ }
+ for (i = 0; i < W * H; i++) {
+ if ((i % W < W - 1 && Info_h.biWidth % 2)
+ || !(Info_h.biWidth % 2))
+ fprintf(Compo0, "%c",
+ table_R[RGB
+ [W * H - ((i) / (W) + 1) * W +
+ (i) % (W)]]);
+ }
+ fclose(Compo0);
+ } else {
+ img->numcomps = 3;
+ img->comps =
+ (j2k_comp_t *) malloc(img->numcomps *
+ sizeof(j2k_comp_t));
+ for (i = 0; i < img->numcomps; i++) {
+ img->comps[i].prec = 8;
+ img->comps[i].bpp = 8;
+ img->comps[i].sgnd = 0;
+ img->comps[i].dx = subsampling_dx;
+ img->comps[i].dy = subsampling_dy;
+ }
- /* Place the cursor at the beginning of the image information */
- fseek(IN, 0, SEEK_SET);
- fseek(IN, File_h.bfOffBits, SEEK_SET);
-
- W = Info_h.biWidth;
- H = Info_h.biHeight;
- if (Info_h.biWidth % 2)
- W++;
-
- RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
-
- fread(RGB, sizeof(unsigned char), W * H, IN);
- if (gray_scale) {
- img->numcomps = 1;
- img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
- img->comps[0].prec = 8;
- img->comps[0].bpp = 8;
- img->comps[0].sgnd = 0;
- img->comps[0].dx = subsampling_dx;
- img->comps[0].dy = subsampling_dy;
- Compo0 = fopen("Compo0", "wb");
- if (!Compo0) {
- fprintf(stderr, "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
- }
- for (i = 0; i < W * H; i++) {
- if ((i % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2))
- fprintf(Compo0, "%c", table_R[RGB[W * H - ((i) / (W) + 1) * W + (i) % (W)]]);
- }
- fclose(Compo0);
- } else {
- img->numcomps = 3;
- img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
- for (i = 0; i < img->numcomps; i++) {
- img->comps[i].prec = 8;
- img->comps[i].bpp = 8;
- img->comps[i].sgnd = 0;
- img->comps[i].dx = subsampling_dx;
- img->comps[i].dy = subsampling_dy;
- }
-
- Compo0 = fopen("Compo0", "wb");
- if (!Compo0) {
- fprintf(stderr, "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
- }
- Compo1 = fopen("Compo1", "wb");
- if (!Compo1) {
- fprintf(stderr, "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
- }
- Compo2 = fopen("Compo2", "wb");
- if (!Compo2) {
- fprintf(stderr, "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
- }
-
- for (i = 0; i < W * H; i++) {
- if ((i % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) {
- fprintf(Compo0, "%c", table_R[RGB[W * H - ((i) / (W) + 1) * W + (i) % (W)]]);
- fprintf(Compo1, "%c", table_G[RGB[W * H - ((i) / (W) + 1) * W + (i) % (W)]]);
- fprintf(Compo2, "%c", table_B[RGB[W * H - ((i) / (W) + 1) * W + (i) % (W)]]);
- }
-
- }
- fclose(Compo0);
- fclose(Compo1);
- fclose(Compo2);
- }
- free(RGB);
-
- } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) {
- img->x0 = Dim[0];
- img->y0 = Dim[1];
- img->x1 = !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - 1) * subsampling_dx + 1;
- img->y1 = !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - 1) * subsampling_dy + 1;
-
- table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
- table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
- table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
-
- for (i = 0; i < Info_h.biClrUsed; i++) {
- table_B[i] = getc(IN);
- table_G[i] = getc(IN);
- table_R[i] = getc(IN);
- getc(IN);
- if (table_R[i] != table_G[i] && table_R[i] != table_B[i] && table_G[i] != table_B[i])
- gray_scale = 0;
- }
+ Compo0 = fopen("Compo0", "wb");
+ if (!Compo0) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
+ }
+ Compo1 = fopen("Compo1", "wb");
+ if (!Compo1) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
+ }
+ Compo2 = fopen("Compo2", "wb");
+ if (!Compo2) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
+ }
- /* Place the cursor at the beginning of the image information */
- fseek(IN, 0, SEEK_SET);
- fseek(IN, File_h.bfOffBits, SEEK_SET);
-
- if (gray_scale) {
- img->numcomps = 1;
- img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t));
- img->comps[0].prec = 8;
- img->comps[0].bpp = 8;
- img->comps[0].sgnd = 0;
- img->comps[0].dx = subsampling_dx;
- img->comps[0].dy = subsampling_dy;
- Compo0 = fopen("Compo0", "wb");
- if (!Compo0) {
- fprintf(stderr, "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
- }
- } else {
- img->numcomps = 3;
- img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
- for (i = 0; i < img->numcomps; i++) {
- img->comps[i].prec = 8;
- img->comps[i].bpp = 8;
- img->comps[i].sgnd = 0;
- img->comps[i].dx = subsampling_dx;
- img->comps[i].dy = subsampling_dy;
- }
- Compo0 = fopen("Compo0", "wb");
- if (!Compo0) {
- fprintf(stderr, "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
- }
- Compo1 = fopen("Compo1", "wb");
- if (!Compo1) {
- fprintf(stderr, "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
- }
- Compo2 = fopen("Compo2", "wb");
- if (!Compo2) {
- fprintf(stderr, "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
- }
- }
+ for (i = 0; i < W * H; i++) {
+ if ((i % W < W - 1 && Info_h.biWidth % 2)
+ || !(Info_h.biWidth % 2)) {
+ fprintf(Compo0, "%c",
+ table_R[RGB
+ [W * H - ((i) / (W) + 1) * W +
+ (i) % (W)]]);
+ fprintf(Compo1, "%c",
+ table_G[RGB
+ [W * H - ((i) / (W) + 1) * W +
+ (i) % (W)]]);
+ fprintf(Compo2, "%c",
+ table_B[RGB
+ [W * H - ((i) / (W) + 1) * W +
+ (i) % (W)]]);
+ }
- RGB = (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight * sizeof(unsigned char));
-
- while (not_end_file) {
- v = getc(IN);
- if (v) {
- v2 = getc(IN);
- for (i = 0; i < (int) v; i++) {
- RGB[line * Info_h.biWidth + col] = v2;
- col++;
- }
- } else {
- v = getc(IN);
- switch (v) {
- case 0:
- col = 0;
- line++;
- break;
- case 1:
- line++;
- not_end_file = 0;
- break;
- case 2:
- printf("No Delta supported\n");
- return 1;
- break;
- default:
- for (i = 0; i < v; i++) {
- v2 = getc(IN);
- RGB[line * Info_h.biWidth + col] = v2;
- col++;
- }
- if (v % 2)
- v2 = getc(IN);
- }
- }
- }
- if (gray_scale) {
- for (line = 0; line < Info_h.biHeight; line++)
- for (col = 0; col < Info_h.biWidth; col++)
- fprintf(Compo0, "%c", table_R[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]]);
- fclose(Compo0);
- } else {
- for (line = 0; line < Info_h.biHeight; line++)
- for (col = 0; col < Info_h.biWidth; col++) {
- fprintf(Compo0, "%c", table_R[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]]);
- fprintf(Compo1, "%c", table_G[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]]);
- fprintf(Compo2, "%c", table_B[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]]);
- }
- fclose(Compo0);
- fclose(Compo1);
- fclose(Compo2);
+ }
+ fclose(Compo0);
+ fclose(Compo1);
+ fclose(Compo2);
+ }
+ free(RGB);
+
+ } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) {
+ img->x0 = Dim[0];
+ img->y0 = Dim[1];
+ img->x1 =
+ !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
+ 1) *
+ subsampling_dx + 1;
+ img->y1 =
+ !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
+ 1) *
+ subsampling_dy + 1;
+
+ table_R =
+ (unsigned char *) malloc(256 * sizeof(unsigned char));
+ table_G =
+ (unsigned char *) malloc(256 * sizeof(unsigned char));
+ table_B =
+ (unsigned char *) malloc(256 * sizeof(unsigned char));
+
+ for (i = 0; i < Info_h.biClrUsed; i++) {
+ table_B[i] = getc(IN);
+ table_G[i] = getc(IN);
+ table_R[i] = getc(IN);
+ getc(IN);
+ if (table_R[i] != table_G[i] && table_R[i] != table_B[i]
+ && table_G[i] != table_B[i])
+ gray_scale = 0;
+ }
+
+ /* Place the cursor at the beginning of the image information */
+ fseek(IN, 0, SEEK_SET);
+ fseek(IN, File_h.bfOffBits, SEEK_SET);
+
+ if (gray_scale) {
+ img->numcomps = 1;
+ img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t));
+ img->comps[0].prec = 8;
+ img->comps[0].bpp = 8;
+ img->comps[0].sgnd = 0;
+ img->comps[0].dx = subsampling_dx;
+ img->comps[0].dy = subsampling_dy;
+ Compo0 = fopen("Compo0", "wb");
+ if (!Compo0) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
+ }
+ } else {
+ img->numcomps = 3;
+ img->comps =
+ (j2k_comp_t *) malloc(img->numcomps *
+ sizeof(j2k_comp_t));
+ for (i = 0; i < img->numcomps; i++) {
+ img->comps[i].prec = 8;
+ img->comps[i].bpp = 8;
+ img->comps[i].sgnd = 0;
+ img->comps[i].dx = subsampling_dx;
+ img->comps[i].dy = subsampling_dy;
+ }
+ Compo0 = fopen("Compo0", "wb");
+ if (!Compo0) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
+ }
+ Compo1 = fopen("Compo1", "wb");
+ if (!Compo1) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
+ }
+ Compo2 = fopen("Compo2", "wb");
+ if (!Compo2) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
+ }
+ }
+
+ RGB =
+ (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight *
+ sizeof(unsigned char));
+
+ while (not_end_file) {
+ v = getc(IN);
+ if (v) {
+ v2 = getc(IN);
+ for (i = 0; i < (int) v; i++) {
+ RGB[line * Info_h.biWidth + col] = v2;
+ col++;
+ }
+ } else {
+ v = getc(IN);
+ switch (v) {
+ case 0:
+ col = 0;
+ line++;
+ break;
+ case 1:
+ line++;
+ not_end_file = 0;
+ break;
+ case 2:
+ printf("No Delta supported\n");
+ return 1;
+ break;
+ default:
+ for (i = 0; i < v; i++) {
+ v2 = getc(IN);
+ RGB[line * Info_h.biWidth + col] = v2;
+ col++;
}
- free(RGB);
- } else
- fprintf(stderr,"Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n",
- Info_h.biBitCount);
-
- fclose(IN);
- return 1;
- }
+ if (v % 2)
+ v2 = getc(IN);
+ }
+ }
+ }
+ if (gray_scale) {
+ for (line = 0; line < Info_h.biHeight; line++)
+ for (col = 0; col < Info_h.biWidth; col++)
+ fprintf(Compo0, "%c",
+ table_R[(int)
+ RGB[(Info_h.biHeight - line -
+ 1) * Info_h.biWidth + col]]);
+ fclose(Compo0);
+ } else {
+ for (line = 0; line < Info_h.biHeight; line++)
+ for (col = 0; col < Info_h.biWidth; col++) {
+ fprintf(Compo0, "%c",
+ table_R[(int)
+ RGB[(Info_h.biHeight - line -
+ 1) * Info_h.biWidth + col]]);
+ fprintf(Compo1, "%c",
+ table_G[(int)
+ RGB[(Info_h.biHeight - line -
+ 1) * Info_h.biWidth + col]]);
+ fprintf(Compo2, "%c",
+ table_B[(int)
+ RGB[(Info_h.biHeight - line -
+ 1) * Info_h.biWidth + col]]);
+ }
+ fclose(Compo0);
+ fclose(Compo1);
+ fclose(Compo2);
+ }
+ free(RGB);
+ } else
+ fprintf(stderr,
+ "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n",
+ Info_h.biBitCount);
+
+ fclose(IN);
+ return 1;
+ }
}
/* -->> -->> -->> -->>
unsigned char readuchar(FILE * f)
{
- unsigned char c1;
- fread(&c1, 1, 1, f);
- return c1;
+ unsigned char c1;
+ fread(&c1, 1, 1, f);
+ return c1;
}
unsigned short readushort(FILE * f, int bigendian)
{
- unsigned char c1, c2;
- fread(&c1, 1, 1, f);
- fread(&c2, 1, 1, f);
- if (bigendian)
- return (c1 << 8) + c2;
- else
- return (c2 << 8) + c1;
+ unsigned char c1, c2;
+ fread(&c1, 1, 1, f);
+ fread(&c2, 1, 1, f);
+ if (bigendian)
+ return (c1 << 8) + c2;
+ else
+ return (c2 << 8) + c1;
}
unsigned int readuint(FILE * f, int bigendian)
{
- unsigned char c1, c2, c3, c4;
- fread(&c1, 1, 1, f);
- fread(&c2, 1, 1, f);
- fread(&c3, 1, 1, f);
- fread(&c4, 1, 1, f);
- if (bigendian)
- return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4;
- else
- return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1;
+ unsigned char c1, c2, c3, c4;
+ fread(&c1, 1, 1, f);
+ fread(&c2, 1, 1, f);
+ fread(&c3, 1, 1, f);
+ fread(&c4, 1, 1, f);
+ if (bigendian)
+ return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4;
+ else
+ return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1;
}
int pgxtoimage(char *filename, j2k_image_t * img, int tdy,
- int subsampling_dx, int subsampling_dy, int Dim[2],
- j2k_cp_t cp)
+ int subsampling_dx, int subsampling_dy, int Dim[2],
+ j2k_cp_t cp)
{
- FILE *f;
- int w, h, prec;
- int i, compno, bandno;
- char str[256], endian[16];
- char sign;
- int bigendian;
- j2k_comp_t *comp;
-
- img->numcomps = 1;
- img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
- for (compno = 0; compno < img->numcomps; compno++) {
- FILE *src;
- char tmp[16];
- int max = 0;
- int Y1;
- comp = &img->comps[compno];
- sprintf(str, "%s", filename);
- f = fopen(str, "rb");
- if (!f) {
- fprintf(stderr, "Failed to open %s for reading !\n", str);
- return 0;
+ FILE *f;
+ int w, h, prec;
+ int i, compno, bandno;
+ char str[256], endian[16];
+ char sign;
+ int bigendian;
+ j2k_comp_t *comp;
+
+ img->numcomps = 1;
+ img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
+ for (compno = 0; compno < img->numcomps; compno++) {
+ FILE *src;
+ char tmp[16];
+ int max = 0;
+ int Y1;
+ comp = &img->comps[compno];
+ sprintf(str, "%s", filename);
+ f = fopen(str, "rb");
+ if (!f) {
+ fprintf(stderr, "Failed to open %s for reading !\n", str);
+ return 0;
+ }
+ if (fscanf(f, "PG %s %c %d %d %d", endian, &sign, &prec, &w, &h) ==
+ 5) {
+ fgetc(f);
+ if (!strcmp(endian, "ML"))
+ bigendian = 1;
+ else
+ bigendian = 0;
+ if (compno == 0) {
+ img->x0 = Dim[0];
+ img->y0 = Dim[1];
+ img->x1 =
+ !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
+ 1) *
+ subsampling_dx + 1;
+ img->y1 =
+ !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
+ 1) *
+ subsampling_dy + 1;
+ } else {
+ if (w != img->x1 || h != img->y1)
+ return 0;
+ }
+
+ if (sign == '-') {
+ comp->sgnd = 1;
+ } else {
+ comp->sgnd = 0;
+ }
+ comp->prec = prec;
+ comp->dx = subsampling_dx;
+ comp->dy = subsampling_dy;
+ bandno = 1;
+
+ Y1 = cp.ty0 + bandno * cp.tdy <
+ img->y1 ? cp.ty0 + bandno * cp.tdy : img->y1;
+ Y1 -= img->y0;
+
+ sprintf(tmp, "bandtile%d", bandno); /* bandtile file */
+ src = fopen(tmp, "wb");
+ if (!src) {
+ fprintf(stderr, "failed to open %s for writing !\n", tmp);
+ }
+ for (i = 0; i < w * h; i++) {
+ int v;
+ if (i == Y1 * w / subsampling_dy && tdy != -1) { /* bandtile is full */
+ fclose(src);
+ bandno++;
+ sprintf(tmp, "bandtile%d", bandno);
+ src = fopen(tmp, "wb");
+ if (!src) {
+ fprintf(stderr,
+ "failed to open %s for writing !\n", tmp);
+ }
+ Y1 = cp.ty0 + bandno * cp.tdy <
+ img->y1 ? cp.ty0 + bandno * cp.tdy : img->y1;
+ Y1 -= img->y0;
}
- if (fscanf(f, "PG %s %c %d %d %d", endian, &sign, &prec, &w, &h) == 5)
- {
- fgetc(f);
- if (!strcmp(endian, "ML"))
- bigendian = 1;
- else
- bigendian = 0;
- if (compno == 0) {
- img->x0 = Dim[0];
- img->y0 = Dim[1];
- img->x1 =
- !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
- 1) *
- subsampling_dx + 1;
- img->y1 =
- !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
- 1) *
- subsampling_dy + 1;
- } else {
- if (w != img->x1 || h != img->y1)
- return 0;
- }
-
- if (sign == '-') {
- comp->sgnd = 1;
- } else {
- comp->sgnd = 0;
- }
- comp->prec = prec;
- comp->dx = subsampling_dx;
- comp->dy = subsampling_dy;
- bandno = 1;
-
- Y1 =
- cp.ty0 + bandno * cp.tdy <
- img->y1 ? cp.ty0 + bandno * cp.tdy : img->y1;
- Y1 -= img->y0;
-
- sprintf(tmp, "bandtile%d", bandno); /* bandtile file */
- src = fopen(tmp, "wb");
- if (!src) {
- fprintf(stderr, "failed to open %s for writing !\n", tmp);
- }
- for (i = 0; i < w * h; i++) {
- int v;
- if (i == Y1 * w / subsampling_dy && tdy != -1) { /* bandtile is full */
- fclose(src);
- bandno++;
- sprintf(tmp, "bandtile%d", bandno);
- src = fopen(tmp, "wb");
- if (!src) {
- fprintf(stderr, "failed to open %s for writing !\n", tmp);
- }
- Y1 =
- cp.ty0 + bandno * cp.tdy <
- img->y1 ? cp.ty0 + bandno * cp.tdy : img->y1;
- Y1 -= img->y0;
- }
- if (comp->prec <= 8) {
- if (!comp->sgnd) {
- v = readuchar(f);
- } else {
- v = (char) readuchar(f);
- }
- } else if (comp->prec <= 16) {
- if (!comp->sgnd) {
- v = readushort(f, bigendian);
- } else {
- v = (short) readushort(f, bigendian);
- }
- } else {
- if (!comp->sgnd) {
- v = readuint(f, bigendian);
- } else {
- v = (int) readuint(f, bigendian);
- }
- }
- if (v > max)
- max = v;
- fprintf(src, "%d ", v);
- }
+ if (comp->prec <= 8) {
+ if (!comp->sgnd) {
+ v = readuchar(f);
+ } else {
+ v = (char) readuchar(f);
+ }
+ } else if (comp->prec <= 16) {
+ if (!comp->sgnd) {
+ v = readushort(f, bigendian);
+ } else {
+ v = (short) readushort(f, bigendian);
+ }
} else {
- return 0;
+ if (!comp->sgnd) {
+ v = readuint(f, bigendian);
+ } else {
+ v = (int) readuint(f, bigendian);
+ }
}
- fclose(f);
- fclose(src);
- comp->bpp = int_floorlog2(max) + 1;
+ if (v > max)
+ max = v;
+ fprintf(src, "%d ", v);
+ }
+ } else {
+ return 0;
}
- return 1;
+ fclose(f);
+ fclose(src);
+ comp->bpp = int_floorlog2(max) + 1;
+ }
+ return 1;
}
/* -->> -->> -->> -->>
<<-- <<-- <<-- <<-- */
int pnmtoimage(char *filename, j2k_image_t * img, int subsampling_dx,
- int subsampling_dy, int Dim[2])
+ int subsampling_dy, int Dim[2])
{
- FILE *f;
- FILE *Compo0, *Compo1, *Compo2;
- int w, h;
- int i;
- char value;
- char comment[256];
-
- f = fopen(filename, "rb");
- if (!f) {
- fprintf(stderr,
- "\033[0;33mFailed to open %s for reading !!\033[0;39m\n",
- filename);
- return 0;
+ FILE *f;
+ FILE *Compo0, *Compo1, *Compo2;
+ int w, h;
+ int i;
+ char value;
+ char comment[256];
+
+ f = fopen(filename, "rb");
+ if (!f) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open %s for reading !!\033[0;39m\n",
+ filename);
+ return 0;
+ }
+
+ if (fgetc(f) != 'P')
+ return 0;
+ value = fgetc(f);
+
+ if (value == '2') {
+ fgetc(f);
+ if (fgetc(f) == '#') {
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "P2\n");
+ fgets(comment, 256, f);
+ fscanf(f, "%d %d\n255", &w, &h);
+ } else {
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "P2\n%d %d\n255", &w, &h);
}
- if (fgetc(f) != 'P')
- return 0;
- value = fgetc(f);
-
- if (value == '2') {
- fgetc(f);
- if (fgetc(f) == '#') {
- fseek(f, 0, SEEK_SET);
- fscanf(f, "P2\n");
- fgets(comment, 256, f);
- fscanf(f, "%d %d\n255", &w, &h);
- } else {
- fseek(f, 0, SEEK_SET);
- fscanf(f, "P2\n%d %d\n255", &w, &h);
- }
-
- fgetc(f);
- img->x0 = Dim[0];
- img->y0 = Dim[1];
- img->x1 =
- !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
- 1) *
- subsampling_dx + 1;
- img->y1 =
- !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
- 1) *
- subsampling_dy + 1;
-
- img->numcomps = 1;
- img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t));
- img->comps[0].prec = 8;
- img->comps[0].bpp = 8;
- img->comps[0].sgnd = 0;
- img->comps[0].dx = subsampling_dx;
- img->comps[0].dy = subsampling_dy;
+ fgetc(f);
+ img->x0 = Dim[0];
+ img->y0 = Dim[1];
+ img->x1 =
+ !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
+ 1) *
+ subsampling_dx + 1;
+ img->y1 =
+ !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
+ 1) *
+ subsampling_dy + 1;
- Compo0 = fopen("Compo0", "wb");
- if (!Compo0) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
- }
- for (i = 0; i < w * h; i++) {
- unsigned int l;
- fscanf(f, "%d", &l);
- fprintf(Compo0, "%c", l);
- }
- fclose(Compo0);
- } else if (value == '5') {
- fgetc(f);
- if (fgetc(f) == '#') {
- fseek(f, 0, SEEK_SET);
- fscanf(f, "P5\n");
- fgets(comment, 256, f);
- fscanf(f, "%d %d\n255", &w, &h);
- } else {
- fseek(f, 0, SEEK_SET);
- fscanf(f, "P5\n%d %d\n255", &w, &h);
- }
+ img->numcomps = 1;
+ img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t));
+ img->comps[0].prec = 8;
+ img->comps[0].bpp = 8;
+ img->comps[0].sgnd = 0;
+ img->comps[0].dx = subsampling_dx;
+ img->comps[0].dy = subsampling_dy;
+
+ Compo0 = fopen("Compo0", "wb");
+ if (!Compo0) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
+ }
+ for (i = 0; i < w * h; i++) {
+ unsigned int l;
+ fscanf(f, "%d", &l);
+ fprintf(Compo0, "%c", l);
+ }
+ fclose(Compo0);
+ } else if (value == '5') {
+ fgetc(f);
+ if (fgetc(f) == '#') {
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "P5\n");
+ fgets(comment, 256, f);
+ fscanf(f, "%d %d\n255", &w, &h);
+ } else {
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "P5\n%d %d\n255", &w, &h);
+ }
- fgetc(f);
- img->x0 = Dim[0];
- img->y0 = Dim[1];
- img->x1 =
- !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
- 1) *
- subsampling_dx + 1;
- img->y1 =
- !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
- 1) *
- subsampling_dy + 1;
+ fgetc(f);
+ img->x0 = Dim[0];
+ img->y0 = Dim[1];
+ img->x1 =
+ !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
+ 1) *
+ subsampling_dx + 1;
+ img->y1 =
+ !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
+ 1) *
+ subsampling_dy + 1;
- img->numcomps = 1;
- img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t));
- img->comps[0].prec = 8;
- img->comps[0].bpp = 8;
- img->comps[0].sgnd = 0;
- img->comps[0].dx = subsampling_dx;
- img->comps[0].dy = subsampling_dy;
- Compo0 = fopen("Compo0", "wb");
- if (!Compo0) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
- }
- for (i = 0; i < w * h; i++) {
- unsigned char l;
- fread(&l, 1, 1, f);
- fwrite(&l, 1, 1, Compo0);
- }
- fclose(Compo0);
- } else if (value == '3') {
- fgetc(f);
- if (fgetc(f) == '#') {
- fseek(f, 0, SEEK_SET);
- fscanf(f, "P3\n");
- fgets(comment, 256, f);
- fscanf(f, "%d %d\n255", &w, &h);
- } else {
- fseek(f, 0, SEEK_SET);
- fscanf(f, "P3\n%d %d\n255", &w, &h);
- }
+ img->numcomps = 1;
+ img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t));
+ img->comps[0].prec = 8;
+ img->comps[0].bpp = 8;
+ img->comps[0].sgnd = 0;
+ img->comps[0].dx = subsampling_dx;
+ img->comps[0].dy = subsampling_dy;
+ Compo0 = fopen("Compo0", "wb");
+ if (!Compo0) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
+ }
+ for (i = 0; i < w * h; i++) {
+ unsigned char l;
+ fread(&l, 1, 1, f);
+ fwrite(&l, 1, 1, Compo0);
+ }
+ fclose(Compo0);
+ } else if (value == '3') {
+ fgetc(f);
+ if (fgetc(f) == '#') {
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "P3\n");
+ fgets(comment, 256, f);
+ fscanf(f, "%d %d\n255", &w, &h);
+ } else {
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "P3\n%d %d\n255", &w, &h);
+ }
- fgetc(f);
- img->x0 = Dim[0];
- img->y0 = Dim[1];
- img->x1 =
- !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
- 1) *
- subsampling_dx + 1;
- img->y1 =
- !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
- 1) *
- subsampling_dy + 1;
- img->numcomps = 3;
- img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
- for (i = 0; i < img->numcomps; i++) {
- img->comps[i].prec = 8;
- img->comps[i].bpp = 8;
- img->comps[i].sgnd = 0;
- img->comps[i].dx = subsampling_dx;
- img->comps[i].dy = subsampling_dy;
- }
- Compo0 = fopen("Compo0", "wb");
- if (!Compo0) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
- }
+ fgetc(f);
+ img->x0 = Dim[0];
+ img->y0 = Dim[1];
+ img->x1 =
+ !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
+ 1) *
+ subsampling_dx + 1;
+ img->y1 =
+ !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
+ 1) *
+ subsampling_dy + 1;
+ img->numcomps = 3;
+ img->comps =
+ (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
+ for (i = 0; i < img->numcomps; i++) {
+ img->comps[i].prec = 8;
+ img->comps[i].bpp = 8;
+ img->comps[i].sgnd = 0;
+ img->comps[i].dx = subsampling_dx;
+ img->comps[i].dy = subsampling_dy;
+ }
+ Compo0 = fopen("Compo0", "wb");
+ if (!Compo0) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
+ }
- Compo1 = fopen("Compo1", "wb");
- if (!Compo1) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
- }
+ Compo1 = fopen("Compo1", "wb");
+ if (!Compo1) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
+ }
- Compo2 = fopen("Compo2", "wb");
- if (!Compo2) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
- }
+ Compo2 = fopen("Compo2", "wb");
+ if (!Compo2) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
+ }
- for (i = 0; i < w * h; i++) {
- unsigned int r, g, b;
- fscanf(f, "%d", &r);
- fscanf(f, "%d", &g);
- fscanf(f, "%d", &b);
- fprintf(Compo0, "%c", r);
- fprintf(Compo1, "%c", g);
- fprintf(Compo2, "%c", b);
- }
- fclose(Compo0);
- fclose(Compo1);
- fclose(Compo2);
- } else if (value == '6') {
- fgetc(f);
- if (fgetc(f) == '#') {
- fseek(f, 0, SEEK_SET);
- fscanf(f, "P6\n");
- fgets(comment, 256, f);
- fscanf(f, "%d %d\n255", &w, &h);
- } else {
- fseek(f, 0, SEEK_SET);
- fscanf(f, "P6\n%d %d\n255", &w, &h);
- }
+ for (i = 0; i < w * h; i++) {
+ unsigned int r, g, b;
+ fscanf(f, "%d", &r);
+ fscanf(f, "%d", &g);
+ fscanf(f, "%d", &b);
+ fprintf(Compo0, "%c", r);
+ fprintf(Compo1, "%c", g);
+ fprintf(Compo2, "%c", b);
+ }
+ fclose(Compo0);
+ fclose(Compo1);
+ fclose(Compo2);
+ } else if (value == '6') {
+ fgetc(f);
+ if (fgetc(f) == '#') {
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "P6\n");
+ fgets(comment, 256, f);
+ fscanf(f, "%d %d\n255", &w, &h);
+ } else {
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "P6\n%d %d\n255", &w, &h);
+ }
- fgetc(f);
- img->x0 = Dim[0];
- img->y0 = Dim[1];
- img->x1 =
- !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
- 1) *
- subsampling_dx + 1;
- img->y1 =
- !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
- 1) *
- subsampling_dy + 1;
- img->numcomps = 3;
- img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
- for (i = 0; i < img->numcomps; i++) {
- img->comps[i].prec = 8;
- img->comps[i].bpp = 8;
- img->comps[i].sgnd = 0;
- img->comps[i].dx = subsampling_dx;
- img->comps[i].dy = subsampling_dy;
- }
- Compo0 = fopen("Compo0", "wb");
- if (!Compo0) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
- }
+ fgetc(f);
+ img->x0 = Dim[0];
+ img->y0 = Dim[1];
+ img->x1 =
+ !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
+ 1) *
+ subsampling_dx + 1;
+ img->y1 =
+ !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
+ 1) *
+ subsampling_dy + 1;
+ img->numcomps = 3;
+ img->comps =
+ (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
+ for (i = 0; i < img->numcomps; i++) {
+ img->comps[i].prec = 8;
+ img->comps[i].bpp = 8;
+ img->comps[i].sgnd = 0;
+ img->comps[i].dx = subsampling_dx;
+ img->comps[i].dy = subsampling_dy;
+ }
+ Compo0 = fopen("Compo0", "wb");
+ if (!Compo0) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
+ }
- Compo1 = fopen("Compo1", "wb");
- if (!Compo1) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
- }
+ Compo1 = fopen("Compo1", "wb");
+ if (!Compo1) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
+ }
- Compo2 = fopen("Compo2", "wb");
- if (!Compo2) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
- }
+ Compo2 = fopen("Compo2", "wb");
+ if (!Compo2) {
+ fprintf(stderr,
+ "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
+ }
- for (i = 0; i < w * h; i++) {
- unsigned char r, g, b;
- fread(&r, 1, 1, f);
- fread(&g, 1, 1, f);
- fread(&b, 1, 1, f);
- fwrite(&r, 1, 1, Compo0);
- fwrite(&g, 1, 1, Compo1);
- fwrite(&b, 1, 1, Compo2);
- }
- fclose(Compo0);
- fclose(Compo1);
- fclose(Compo2);
- } else {
- return 0;
+ for (i = 0; i < w * h; i++) {
+ unsigned char r, g, b;
+ fread(&r, 1, 1, f);
+ fread(&g, 1, 1, f);
+ fread(&b, 1, 1, f);
+ fwrite(&r, 1, 1, Compo0);
+ fwrite(&g, 1, 1, Compo1);
+ fwrite(&b, 1, 1, Compo2);
}
- fclose(f);
- return 1;
+ fclose(Compo0);
+ fclose(Compo1);
+ fclose(Compo2);
+ } else {
+ return 0;
+ }
+ fclose(f);
+ return 1;
}
#include "j2k.h"
int bmptoimage(char *filename, j2k_image_t * img, int subsampling_dx,
- int subsampling_dy, int Dim[2]);
+ int subsampling_dy, int Dim[2]);
int pgxtoimage(char *filename, j2k_image_t * img, int tdy,
- int subsampling_dx, int subsampling_dy, int Dim[2],
- j2k_cp_t cp);
+ int subsampling_dx, int subsampling_dy, int Dim[2],
+ j2k_cp_t cp);
int pnmtoimage(char *filename, j2k_image_t * img, int subsampling_dx,
- int subsampling_dy, int Dim[2]);
+ int subsampling_dy, int Dim[2]);
void help_display()
{
- printf("HELP\n----\n\n");
- printf
- ("- the option -help displays the readme.txt file on screen\n\n");
-
-
- printf("List of parameters for the coder JPEG 2000 :\n");
- printf("\n");
- printf
- ("- The markers COD and QCD are writed both of two in the main_header and never appear in the tile_header. The markers in the main header are : SOC SIZ COD QCD COM.\n");
- printf("\n");
- printf
- ("- This coder can encode mega image, a test was made on a 24000x24000 pixels color image. You need enough disk space memory (twice the original) to encode the image. (i.e. for a 1.5 Gb image you need a minimum of 3Gb of disk memory)\n");
- printf("\n");
- printf("REMARKS :\n");
- printf("---------\n");
- printf("\n");
- printf
- ("* the value of rate enter in the code line is the compression factor !\n");
- printf("exemple :\n");
- printf("\n");
- printf
- ("-r 20,10,1 means quality 1 : compress 20x, quality 2 : compress 10x and quality 3 : compress 1x = lossless\n");
- printf("\n");
- printf("By default :\n");
- printf("------------\n");
- printf("\n");
- printf(" * lossless\n");
- printf(" * 1 tile\n");
- printf(" * size of precinct 2^15 x 2^15 (means 1 precinct)\n");
- printf(" * size of code-block 64 x 64\n");
- printf(" * Number of resolution : 6\n");
- printf(" * No SOP marker in the codestream\n");
- printf(" * No EPH marker in the codestream\n");
- printf(" * No sub-sampling in x and y direction\n");
- printf(" * No mode switch activated\n");
- printf(" * progression order : LRCP\n");
- printf(" * No index file\n");
- printf(" * No ROI upshifted\n");
- printf(" * No offset of the origin of the image\n");
- printf(" * No offset of the origin of the tiles\n");
- printf(" * Reversible DWT 5-3\n");
- printf("\n");
- printf("Parameters :\n");
- printf("------------\n");
- printf("\n");
- printf
- ("-i : source file (-i source.pnm also *.pgm, *.ppm) required\n");
- printf("\n");
- printf
- ("-o : destination file (-o dest.j2k) required\n");
- printf("\n");
- printf
- ("-help : Display the help information optional\n ");
- printf("\n");
- printf
- ("-r : different rates (-r 20,10,5) optional\n ");
- printf("\n");
- printf
- ("-n : Number of resolution (-n 3) optional\n");
- printf("\n");
- printf
- ("-b : size of code block (-b 32,32) optional\n");
- printf("\n");
- printf
- ("-c : size of precinct (-c 128,128) optional\n");
- printf("\n");
- printf
- ("-t : size of tile (-t 512,512) optional\n");
- printf("\n");
- printf
- ("-p : progression order (-p LRCP) [LRCP, RLCP, RPCL, PCRL, CPRL] optional\n");
- printf("\n");
- printf
- ("-s : subsampling factor (-s 2,2) [-s X,Y] optional\n");
- printf("\n");
- printf
- ("-SOP : write SOP marker before each packet optional\n");
- printf("\n");
- printf
- ("-EPH : write EPH marker after each header packet optional\n");
- printf("\n");
- printf
- ("-M : mode switch (-M 3) [1=BYPASS(LAZY) 2=RESET 4=RESTART(TERMALL) 8=VSC 16=ERTERM(SEGTERM) 32=SEGMARK(SEGSYM)] optional\n");
- printf
- (" for several mode switch you have to add the value of each mode you want\n");
- printf
- (" ex : RESTART(4) + RESET(2) + SEGMARK(32) = -M 38\n");
- printf("\n");
- printf
- ("-x : Create an index file *.Idx (-x index_name.Idx) optional\n");
- printf("\n");
- printf
- ("-ROI:c=%%d,U=%%d : quantization indices upshifted for component c=%%d [\%%d = 0,1,2]\n");
- printf
- (" with a value of U=%%d [0 <= %%d <= 37] (i.e. -ROI:c=0,U=25) optional\n");
- printf("\n");
- printf
- ("-d : offset of the origin of the image (-d 150,300) optional\n");
- printf("\n");
- printf
- ("-T : offset of the origin of the tiles (-T 100,75) optional\n");
- printf("\n");
- printf
- ("-I : Use the irreversible DWT 9-7 (-I) optional\n");
- printf("\n");
- printf("IMPORTANT :\n");
- printf("-----------\n");
- printf("\n");
- printf("* subsampling bigger than 2 can produce error\n");
- printf("\n");
- printf
- ("The index file respect the structure below :\n");
- printf
- ("---------------------------------------------\n");
- printf("\n");
- printf("Image_height Image_width\n");
- printf("progression order\n");
- printf("Tiles_size_X Tiles_size_Y\n");
- printf("Components_nb\n");
- printf("Layers_nb\n");
- printf("decomposition_levels\n");
- printf("Precincts_size_X Precincts_size_Y\n");
- printf("Main_header_end_position\n");
- printf("Codestream_size\n");
- printf("Tile0 start_pos end_Theader end_pos\n");
- printf("Tile1 '' '' ''\n");
- printf("...\n");
- printf("TileN '' '' ''\n");
- printf("Tpacket_0 Tile layer res. comp. prec. start_pos end_pos\n");
- printf("...\n");
- printf("Tpacket_M '' '' '' '' '' '' ''\n");
+ printf("HELP\n----\n\n");
+ printf
+ ("- the option -help displays the readme.txt file on screen\n\n");
+
+
+ printf("List of parameters for the coder JPEG 2000 :\n");
+ printf("\n");
+ printf
+ ("- The markers COD and QCD are writed both of two in the main_header and never appear in the tile_header. The markers in the main header are : SOC SIZ COD QCD COM.\n");
+ printf("\n");
+ printf
+ ("- This coder can encode mega image, a test was made on a 24000x24000 pixels color image. You need enough disk space memory (twice the original) to encode the image. (i.e. for a 1.5 Gb image you need a minimum of 3Gb of disk memory)\n");
+ printf("\n");
+ printf("REMARKS :\n");
+ printf("---------\n");
+ printf("\n");
+ printf
+ ("* the value of rate enter in the code line is the compression factor !\n");
+ printf("exemple :\n");
+ printf("\n");
+ printf
+ ("-r 20,10,1 means quality 1 : compress 20x, quality 2 : compress 10x and quality 3 : compress 1x = lossless\n");
+ printf("\n");
+ printf("By default :\n");
+ printf("------------\n");
+ printf("\n");
+ printf(" * lossless\n");
+ printf(" * 1 tile\n");
+ printf(" * size of precinct 2^15 x 2^15 (means 1 precinct)\n");
+ printf(" * size of code-block 64 x 64\n");
+ printf(" * Number of resolution : 6\n");
+ printf(" * No SOP marker in the codestream\n");
+ printf(" * No EPH marker in the codestream\n");
+ printf(" * No sub-sampling in x and y direction\n");
+ printf(" * No mode switch activated\n");
+ printf(" * progression order : LRCP\n");
+ printf(" * No index file\n");
+ printf(" * No ROI upshifted\n");
+ printf(" * No offset of the origin of the image\n");
+ printf(" * No offset of the origin of the tiles\n");
+ printf(" * Reversible DWT 5-3\n");
+ printf("\n");
+ printf("Parameters :\n");
+ printf("------------\n");
+ printf("\n");
+ printf
+ ("-i : source file (-i source.pnm also *.pgm, *.ppm) required\n");
+ printf("\n");
+ printf("-o : destination file (-o dest.j2k) required\n");
+ printf("\n");
+ printf("-help : Display the help information optional\n ");
+ printf("\n");
+ printf("-r : different rates (-r 20,10,5) optional\n ");
+ printf("\n");
+ printf("-n : Number of resolution (-n 3) optional\n");
+ printf("\n");
+ printf("-b : size of code block (-b 32,32) optional\n");
+ printf("\n");
+ printf("-c : size of precinct (-c 128,128) optional\n");
+ printf("\n");
+ printf("-t : size of tile (-t 512,512) optional\n");
+ printf("\n");
+ printf
+ ("-p : progression order (-p LRCP) [LRCP, RLCP, RPCL, PCRL, CPRL] optional\n");
+ printf("\n");
+ printf
+ ("-s : subsampling factor (-s 2,2) [-s X,Y] optional\n");
+ printf("\n");
+ printf
+ ("-SOP : write SOP marker before each packet optional\n");
+ printf("\n");
+ printf
+ ("-EPH : write EPH marker after each header packet optional\n");
+ printf("\n");
+ printf
+ ("-M : mode switch (-M 3) [1=BYPASS(LAZY) 2=RESET 4=RESTART(TERMALL) 8=VSC 16=ERTERM(SEGTERM) 32=SEGMARK(SEGSYM)] optional\n");
+ printf
+ (" for several mode switch you have to add the value of each mode you want\n");
+ printf
+ (" ex : RESTART(4) + RESET(2) + SEGMARK(32) = -M 38\n");
+ printf("\n");
+ printf
+ ("-x : Create an index file *.Idx (-x index_name.Idx) optional\n");
+ printf("\n");
+ printf
+ ("-ROI:c=%%d,U=%%d : quantization indices upshifted for component c=%%d [\%%d = 0,1,2]\n");
+ printf
+ (" with a value of U=%%d [0 <= %%d <= 37] (i.e. -ROI:c=0,U=25) optional\n");
+ printf("\n");
+ printf
+ ("-d : offset of the origin of the image (-d 150,300) optional\n");
+ printf("\n");
+ printf
+ ("-T : offset of the origin of the tiles (-T 100,75) optional\n");
+ printf("\n");
+ printf
+ ("-I : Use the irreversible DWT 9-7 (-I) optional\n");
+ printf("\n");
+ printf("IMPORTANT :\n");
+ printf("-----------\n");
+ printf("\n");
+ printf("* subsampling bigger than 2 can produce error\n");
+ printf("\n");
+ printf("The index file respect the structure below :\n");
+ printf("---------------------------------------------\n");
+ printf("\n");
+ printf("Image_height Image_width\n");
+ printf("progression order\n");
+ printf("Tiles_size_X Tiles_size_Y\n");
+ printf("Components_nb\n");
+ printf("Layers_nb\n");
+ printf("decomposition_levels\n");
+ printf("Precincts_size_X Precincts_size_Y\n");
+ printf("Main_header_end_position\n");
+ printf("Codestream_size\n");
+ printf("Tile0 start_pos end_Theader end_pos\n");
+ printf("Tile1 '' '' ''\n");
+ printf("...\n");
+ printf("TileN '' '' ''\n");
+ printf("Tpacket_0 Tile layer res. comp. prec. start_pos end_pos\n");
+ printf("...\n");
+ printf("Tpacket_M '' '' '' '' '' '' ''\n");
}
int give_progression(char progression[4])
{
- if (progression[0] == 'L' && progression[1] == 'R' && progression[2] == 'C' && progression[3] == 'P')
- {
- return 0;
- } else
- {
- if (progression[0] == 'R' && progression[1] == 'L' && progression[2] == 'C' && progression[3] == 'P')
- {
+ if (progression[0] == 'L' && progression[1] == 'R'
+ && progression[2] == 'C' && progression[3] == 'P') {
+ return 0;
+ } else {
+ if (progression[0] == 'R' && progression[1] == 'L'
+ && progression[2] == 'C' && progression[3] == 'P') {
return 1;
- } else
- {
- if (progression[0] == 'R' && progression[1] == 'P' && progression[2] == 'C' && progression[3] == 'L')
- {
- return 2;
- } else
- {
- if (progression[0] == 'P' && progression[1] == 'C' && progression[2] == 'R' && progression[3] == 'L')
- {
- return 3;
- } else
- {
- if (progression[0] == 'C' && progression[1] == 'P' && progression[2] == 'R' && progression[3] == 'L')
- {
- return 4;
- } else
- {
- return -1;
- }
- }
- }
+ } else {
+ if (progression[0] == 'R' && progression[1] == 'P'
+ && progression[2] == 'C' && progression[3] == 'L') {
+ return 2;
+ } else {
+ if (progression[0] == 'P' && progression[1] == 'C'
+ && progression[2] == 'R' && progression[3] == 'L') {
+ return 3;
+ } else {
+ if (progression[0] == 'C' && progression[1] == 'P'
+ && progression[2] == 'R'
+ && progression[3] == 'L') {
+ return 4;
+ } else {
+ return -1;
+ }
+ }
}
- }
+ }
+ }
}
double dwt_norms_97[4][10] = {
- {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
- {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
- {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
- {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
+ {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
+ {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
+ {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
+ {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
};
int floorlog2(int a)
{
- int l;
- for (l = 0; a > 1; l++) {
- a >>= 1;
- }
- return l;
+ int l;
+ for (l = 0; a > 1; l++) {
+ a >>= 1;
+ }
+ return l;
}
void encode_stepsize(int stepsize, int numbps, int *expn, int *mant)
{
- int p, n;
- p = floorlog2(stepsize) - 13;
- n = 11 - floorlog2(stepsize);
- *mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;
- *expn = numbps - p;
+ int p, n;
+ p = floorlog2(stepsize) - 13;
+ n = 11 - floorlog2(stepsize);
+ *mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;
+ *expn = numbps - p;
}
void calc_explicit_stepsizes(j2k_tccp_t * tccp, int prec)
{
- int numbands, bandno;
- numbands = 3 * tccp->numresolutions - 2;
- for (bandno = 0; bandno < numbands; bandno++) {
- double stepsize;
-
- int resno, level, orient, gain;
- resno = bandno == 0 ? 0 : (bandno - 1) / 3 + 1;
- orient = bandno == 0 ? 0 : (bandno - 1) % 3 + 1;
- level = tccp->numresolutions - 1 - resno;
- gain = tccp->qmfbid == 0 ? 0 : (orient == 0 ? 0 : (orient == 1 || orient == 2 ? 1 : 2));
- if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
- stepsize = 1.0;
- } else {
- double norm = dwt_norms_97[orient][level];
- stepsize = (1 << (gain + 1)) / norm;
- }
- encode_stepsize((int) floor(stepsize * 8192.0), prec + gain, &tccp->stepsizes[bandno].expn,
- &tccp->stepsizes[bandno].mant);
+ int numbands, bandno;
+ numbands = 3 * tccp->numresolutions - 2;
+ for (bandno = 0; bandno < numbands; bandno++) {
+ double stepsize;
+
+ int resno, level, orient, gain;
+ resno = bandno == 0 ? 0 : (bandno - 1) / 3 + 1;
+ orient = bandno == 0 ? 0 : (bandno - 1) % 3 + 1;
+ level = tccp->numresolutions - 1 - resno;
+ gain =
+ tccp->qmfbid == 0 ? 0 : (orient ==
+ 0 ? 0 : (orient == 1
+ || orient == 2 ? 1 : 2));
+ if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
+ stepsize = 1.0;
+ } else {
+ double norm = dwt_norms_97[orient][level];
+ stepsize = (1 << (gain + 1)) / norm;
}
+ encode_stepsize((int) floor(stepsize * 8192.0), prec + gain,
+ &tccp->stepsizes[bandno].expn,
+ &tccp->stepsizes[bandno].mant);
+ }
}
int main(int argc, char **argv)
{
- int len;
- int NumResolution, numD_min; /* NumResolution : number of resolution */
- int Tile_arg; /* Tile_arg = 0 (not in argument) ou = 1 (in argument) */
- int CSty; /* CSty : coding style */
- int Prog_order; /* progression order (default LRCP) */
- char progression[4];
- int numpocs, numpocs_tile; /* Number of progression order change (POC) default 0 */
- int prcw_init, prch_init; /* Initialisation precincts' size */
- int cblockw_init, cblockh_init; /* Initialisation codeblocks' size */
- int mode, value; /* Mode switch (cblk_style) */
- int subsampling_dx, subsampling_dy; /* subsampling value for dx and dy */
- int ROI_compno, ROI_shift; /* region of interrest */
- int Dim[2]; /* portion of the image coded */
- int TX0, TY0; /* tile off-set */
- j2k_image_t img;
- j2k_cp_t cp, cp_init; /* cp_init is used to initialise in multiple tiles */
- j2k_tcp_t *tcp, *tcp_init; /* tcp_init is used to initialise in multiple tile */
- j2k_poc_t POC[32]; /* POC : used in case of Progression order change */
- j2k_poc_t *tcp_poc;
- j2k_tccp_t *tccp;
- int i, tileno, j;
- char *infile = 0;
- char *outfile = 0;
- char *index = 0;
- char *s, S1, S2, S3;
- int ir = 0;
-
- /* default value */
- /* ------------- */
- NumResolution = 6;
- CSty = 0;
- cblockw_init = 64;
- cblockh_init = 64;
- cp.tw = 1;
- cp.th = 1;
- img.index_on = 0;
- Prog_order = 0;
- numpocs = 0;
- mode = 0;
- subsampling_dx = 1;
- subsampling_dy = 1;
- ROI_compno = -1; /* no ROI */
- ROI_shift = 0;
- Dim[0] = 0;
- Dim[1] = 0;
- TX0 = 0;
- TY0 = 0;
- cp.comment = NULL;
- cp.disto_alloc = 0;
- cp.fixed_alloc = 0;
- /* img.PPT=0; */
-
- Tile_arg = 0;
- cp_init.tcps = (j2k_tcp_t *) malloc(sizeof(j2k_tcp_t)); /* initialisation if only one tile */
- tcp_init = &cp_init.tcps[0];
- tcp_init->numlayers = 0;
-
- while (1) {
- int c =
- getopt(argc, argv, "i:o:r:q:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I");
- if (c == -1)
- break;
- switch (c) {
- case 'i': /* IN fill */
- infile = optarg;
- s = optarg;
- while (*s) {
- s++;
- }
- s--;
- S3 = *s;
- s--;
- S2 = *s;
- s--;
- S1 = *s;
-
- if ((S1 == 'p' && S2 == 'g' && S3 == 'x') || (S1 == 'P' && S2 == 'G' && S3 == 'X')) {
- cp.image_type = 0;
- break;
- }
-
- if ((S1 == 'p' && S2 == 'n' && S3 == 'm')|| (S1 == 'P' && S2 == 'N' && S3 == 'M')
- || (S1 == 'p' && S2 == 'g' && S3 == 'm') || (S1 == 'P' && S2 == 'G' && S3 == 'M')
- || (S1 == 'P' && S2 == 'P' && S3 == 'M') || (S1 == 'p' && S2 == 'p' && S3 == 'm')) {
- cp.image_type = 1;
- break;
- }
-
- if ((S1 == 'b' && S2 == 'm' && S3 == 'p') || (S1 == 'B' && S2 == 'M' && S3 == 'P')) {
- cp.image_type = 2;
- break;
- }
- fprintf(stderr, "!! Unrecognized format for infile : %c%c%c [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\n\n",S1,S2,S3);
- return 1;
- break;
- /* ----------------------------------------------------- */
- case 'o': /* OUT fill */
- outfile = optarg;
- break;
- /* ----------------------------------------------------- */
- case 'r': /* rates rates/distorsion*/
- s = optarg;
- while (sscanf(s, "%d", &tcp_init->rates[tcp_init->numlayers]) == 1) {
- tcp_init->numlayers++;
- while (*s && *s != ',') {
- s++;
- }
- if (!*s)
- break;
- s++;
- }
- cp.disto_alloc = 1;
- cp.matrice = NULL;
- break;
- /* ----------------------------------------------------- */
- case 'q': /* rates fixed */
- s=optarg;
- sscanf(s, "%d",&tcp_init->numlayers);
- s++;
- if (tcp_init->numlayers>9) s++;
- cp.matrice=(int*)malloc(tcp_init->numlayers*NumResolution*3*sizeof(int));
- s=s+2;
- for(i=0;i<tcp_init->numlayers;i++)
- {
- tcp_init->rates[i]=1;
- sscanf(s, "%d,", &cp.matrice[i*NumResolution*3]);
- s+=2;
- if (cp.matrice[i*NumResolution*3]>9) s++;
- cp.matrice[i*NumResolution*3+1]=0;
- cp.matrice[i*NumResolution*3+2]=0;
- for (j=1;j<NumResolution;j++)
- {
- sscanf(s, "%d,%d,%d", &cp.matrice[i*NumResolution*3+j*3+0],&cp.matrice[i*NumResolution*3+j*3+1],&cp.matrice[i*NumResolution*3+j*3+2]);
- s+=6;
- if (cp.matrice[i*NumResolution*3+j*3]>9) s++;
- if (cp.matrice[i*NumResolution*3+j*3+1]>9) s++;
- if (cp.matrice[i*NumResolution*3+j*3+2]>9) s++;
- }
- if (i<tcp_init->numlayers-1) s++;
- }
- cp.fixed_alloc=1;
- break;
- /* ----------------------------------------------------- */
- case 't': /* tiles */
- sscanf(optarg, "%d,%d", &cp.tdx, &cp.tdy);
- Tile_arg = 1;
- break;
- /* ----------------------------------------------------- */
- case 'n': /* resolution */
- sscanf(optarg, "%d", &NumResolution);
- break;
- /* ----------------------------------------------------- */
- case 'c': /* precinct dimension */
- sscanf(optarg, "%d,%d", &prcw_init, &prch_init);
- CSty |= 0x01;
- break;
- /* ----------------------------------------------------- */
- case 'b': /* code-block dimension */
- sscanf(optarg, "%d,%d", &cblockw_init, &cblockh_init);
- if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024
- || cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) {
- fprintf(stderr,"!! Size of code_block error (option -b) !!\n\nRestriction :\n * width*height<=4096\n * 4<=width,height<= 1024\n\n");
- return 1;
- }
- break;
- /* ----------------------------------------------------- */
- case 'x': /* creation of index file */
- index = optarg;
- img.index_on = 1;
- break;
- /* ----------------------------------------------------- */
- case 'p': /* progression order */
- s = optarg;
- for (i=0; i<4; i++)
- {
- progression[i] = *s;
- s++;
- }
- Prog_order = give_progression(progression);
-
- if (Prog_order == -1) {
- fprintf(stderr,"Unrecognized progression order [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n");
- return 1;
- }
- break;
- /* ----------------------------------------------------- */
- case 's': /* subsampling factor */
- if (sscanf(optarg, "%d,%d", &subsampling_dx, &subsampling_dy) != 2) {
- fprintf(stderr,"'-s' sub-sampling argument error ! [-s dx,dy]\n");
- return 1;
- }
- break;
- /* ----------------------------------------------------- */
- case 'd': /* coordonnate of the reference grid */
- if (sscanf(optarg, "%d,%d", &Dim[0], &Dim[1]) != 2) {
- fprintf(stderr,"-d 'coordonnate of the reference grid' argument error !! [-d x0,y0]\n");
- return 1;
- }
- break;
- /* ----------------------------------------------------- */
- case 'h': /* Display an help description */
- help_display();
- return 0;
- break;
- /* ----------------------------------------------------- */
- case 'P': /* POC */
- fprintf(stderr, "/----------------------------------\\\n");
- fprintf(stderr, "| POC option not fully tested !! |\n");
- fprintf(stderr, "\\----------------------------------/\n");
-
- s = optarg;
- while (sscanf(s, "T%d=%d,%d,%d,%d,%d,%s", &POC[numpocs].tile,
- &POC[numpocs].resno0, &POC[numpocs].compno0,
- &POC[numpocs].layno1, &POC[numpocs].resno1,
- &POC[numpocs].compno1, POC[numpocs].progorder) == 7) {
- POC[numpocs].prg = give_progression(POC[numpocs].progorder);
- /* POC[numpocs].tile; */
- numpocs++;
- while (*s && *s != '/') {
- s++;
- }
- if (!*s)
- break;
- s++;
- }
- break;
- /* ------------------------------------------------------ */
- case 'S': /* SOP marker */
- CSty |= 0x02;
- break;
- /* ------------------------------------------------------ */
- case 'E': /* EPH marker */
- CSty |= 0x04;
- break;
- /* ------------------------------------------------------ */
- case 'M': /* Mode switch pas tous au point !! */
- if (sscanf(optarg, "%d", &value) == 1) {
- for (i = 0; i <= 5; i++) {
- int cache = value & (1 << i);
- if (cache)
- mode |= (1 << i);
- }
- }
- break;
- /* ------------------------------------------------------ */
- case 'R': /* ROI */
- if (sscanf(optarg, "OI:c=%d,U=%d", &ROI_compno, &ROI_shift) != 2) {
- fprintf(stderr,"ROI error !! [-ROI:c='compno',U='shift']\n");
- return 1;
- }
- break;
- /* ------------------------------------------------------ */
- case 'T': /* Tile offset */
- if (sscanf(optarg, "%d,%d", &TX0, &TY0) != 2) {
- fprintf(stderr,"-T 'tile offset' argument error !! [-T X0,Y0]");
- return 1;
- }
- break;
- /* ------------------------------------------------------ */
- case 'C': /* Add a comment */
- cp.comment = optarg;
- break;
- /* ------------------------------------------------------ */
- case 'I': /* reversible or not */
- ir = 1;
- break;
- /* ------------------------------------------------------ */
- default:
- return 1;
- }
- }
+ int len;
+ int NumResolution, numD_min; /* NumResolution : number of resolution */
+ int Tile_arg; /* Tile_arg = 0 (not in argument) ou = 1 (in argument) */
+ int CSty; /* CSty : coding style */
+ int Prog_order; /* progression order (default LRCP) */
+ char progression[4];
+ int numpocs, numpocs_tile; /* Number of progression order change (POC) default 0 */
+ int prcw_init, prch_init; /* Initialisation precincts' size */
+ int cblockw_init, cblockh_init; /* Initialisation codeblocks' size */
+ int mode, value; /* Mode switch (cblk_style) */
+ int subsampling_dx, subsampling_dy; /* subsampling value for dx and dy */
+ int ROI_compno, ROI_shift; /* region of interrest */
+ int Dim[2]; /* portion of the image coded */
+ int TX0, TY0; /* tile off-set */
+ j2k_image_t img;
+ j2k_cp_t cp, cp_init; /* cp_init is used to initialise in multiple tiles */
+ j2k_tcp_t *tcp, *tcp_init; /* tcp_init is used to initialise in multiple tile */
+ j2k_poc_t POC[32]; /* POC : used in case of Progression order change */
+ j2k_poc_t *tcp_poc;
+ j2k_tccp_t *tccp;
+ int i, tileno, j;
+ char *infile = 0;
+ char *outfile = 0;
+ char *index = 0;
+ char *s, S1, S2, S3;
+ int ir = 0;
+
+ /* default value */
+ /* ------------- */
+ NumResolution = 6;
+ CSty = 0;
+ cblockw_init = 64;
+ cblockh_init = 64;
+ cp.tw = 1;
+ cp.th = 1;
+ img.index_on = 0;
+ Prog_order = 0;
+ numpocs = 0;
+ mode = 0;
+ subsampling_dx = 1;
+ subsampling_dy = 1;
+ ROI_compno = -1; /* no ROI */
+ ROI_shift = 0;
+ Dim[0] = 0;
+ Dim[1] = 0;
+ TX0 = 0;
+ TY0 = 0;
+ cp.comment = NULL;
+ cp.disto_alloc = 0;
+ cp.fixed_alloc = 0;
+ /* img.PPT=0; */
+
+ Tile_arg = 0;
+ cp_init.tcps = (j2k_tcp_t *) malloc(sizeof(j2k_tcp_t)); /* initialisation if only one tile */
+ tcp_init = &cp_init.tcps[0];
+ tcp_init->numlayers = 0;
+
+ while (1) {
+ int c =
+ getopt(argc, argv,
+ "i:o:r:q:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I");
+ if (c == -1)
+ break;
+ switch (c) {
+ case 'i': /* IN fill */
+ infile = optarg;
+ s = optarg;
+ while (*s) {
+ s++;
+ }
+ s--;
+ S3 = *s;
+ s--;
+ S2 = *s;
+ s--;
+ S1 = *s;
+
+ if ((S1 == 'p' && S2 == 'g' && S3 == 'x')
+ || (S1 == 'P' && S2 == 'G' && S3 == 'X')) {
+ cp.image_type = 0;
+ break;
+ }
- cp.tx0 = TX0;
- cp.ty0 = TY0;
+ if ((S1 == 'p' && S2 == 'n' && S3 == 'm')
+ || (S1 == 'P' && S2 == 'N' && S3 == 'M')
+ || (S1 == 'p' && S2 == 'g' && S3 == 'm') || (S1 == 'P'
+ && S2 == 'G'
+ && S3 == 'M')
+ || (S1 == 'P' && S2 == 'P' && S3 == 'M') || (S1 == 'p'
+ && S2 == 'p'
+ && S3 ==
+ 'm')) {
+ cp.image_type = 1;
+ break;
+ }
- /* Error messages */
- /* -------------- */
- if (!infile || !outfile) {
- fprintf(stderr, "usage: image_to_j2k -i image-file -o j2k-file (+ options)\n");
+ if ((S1 == 'b' && S2 == 'm' && S3 == 'p')
+ || (S1 == 'B' && S2 == 'M' && S3 == 'P')) {
+ cp.image_type = 2;
+ break;
+ }
+ fprintf(stderr,
+ "!! Unrecognized format for infile : %c%c%c [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\n\n",
+ S1, S2, S3);
+ return 1;
+ break;
+ /* ----------------------------------------------------- */
+ case 'o': /* OUT fill */
+ outfile = optarg;
+ break;
+ /* ----------------------------------------------------- */
+ case 'r': /* rates rates/distorsion */
+ s = optarg;
+ while (sscanf(s, "%d", &tcp_init->rates[tcp_init->numlayers])
+ == 1) {
+ tcp_init->numlayers++;
+ while (*s && *s != ',') {
+ s++;
+ }
+ if (!*s)
+ break;
+ s++;
+ }
+ cp.disto_alloc = 1;
+ cp.matrice = NULL;
+ break;
+ /* ----------------------------------------------------- */
+ case 'q': /* rates fixed */
+ s = optarg;
+ sscanf(s, "%d", &tcp_init->numlayers);
+ s++;
+ if (tcp_init->numlayers > 9)
+ s++;
+ cp.matrice =
+ (int *) malloc(tcp_init->numlayers * NumResolution * 3 *
+ sizeof(int));
+ s = s + 2;
+ for (i = 0; i < tcp_init->numlayers; i++) {
+ tcp_init->rates[i] = 1;
+ sscanf(s, "%d,", &cp.matrice[i * NumResolution * 3]);
+ s += 2;
+ if (cp.matrice[i * NumResolution * 3] > 9)
+ s++;
+ cp.matrice[i * NumResolution * 3 + 1] = 0;
+ cp.matrice[i * NumResolution * 3 + 2] = 0;
+ for (j = 1; j < NumResolution; j++) {
+ sscanf(s, "%d,%d,%d",
+ &cp.matrice[i * NumResolution * 3 + j * 3 + 0],
+ &cp.matrice[i * NumResolution * 3 + j * 3 + 1],
+ &cp.matrice[i * NumResolution * 3 + j * 3 + 2]);
+ s += 6;
+ if (cp.matrice[i * NumResolution * 3 + j * 3] > 9)
+ s++;
+ if (cp.matrice[i * NumResolution * 3 + j * 3 + 1] > 9)
+ s++;
+ if (cp.matrice[i * NumResolution * 3 + j * 3 + 2] > 9)
+ s++;
+ }
+ if (i < tcp_init->numlayers - 1)
+ s++;
+ }
+ cp.fixed_alloc = 1;
+ break;
+ /* ----------------------------------------------------- */
+ case 't': /* tiles */
+ sscanf(optarg, "%d,%d", &cp.tdx, &cp.tdy);
+ Tile_arg = 1;
+ break;
+ /* ----------------------------------------------------- */
+ case 'n': /* resolution */
+ sscanf(optarg, "%d", &NumResolution);
+ break;
+ /* ----------------------------------------------------- */
+ case 'c': /* precinct dimension */
+ sscanf(optarg, "%d,%d", &prcw_init, &prch_init);
+ CSty |= 0x01;
+ break;
+ /* ----------------------------------------------------- */
+ case 'b': /* code-block dimension */
+ sscanf(optarg, "%d,%d", &cblockw_init, &cblockh_init);
+ if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024
+ || cblockw_init < 4 || cblockh_init > 1024
+ || cblockh_init < 4) {
+ fprintf(stderr,
+ "!! Size of code_block error (option -b) !!\n\nRestriction :\n * width*height<=4096\n * 4<=width,height<= 1024\n\n");
return 1;
- }
+ }
+ break;
+ /* ----------------------------------------------------- */
+ case 'x': /* creation of index file */
+ index = optarg;
+ img.index_on = 1;
+ break;
+ /* ----------------------------------------------------- */
+ case 'p': /* progression order */
+ s = optarg;
+ for (i = 0; i < 4; i++) {
+ progression[i] = *s;
+ s++;
+ }
+ Prog_order = give_progression(progression);
- if (cp.disto_alloc & cp.fixed_alloc) {
- fprintf(stderr, "Error: option -r and -q can not be used together !!\n");
+ if (Prog_order == -1) {
+ fprintf(stderr,
+ "Unrecognized progression order [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n");
+ return 1;
+ }
+ break;
+ /* ----------------------------------------------------- */
+ case 's': /* subsampling factor */
+ if (sscanf(optarg, "%d,%d", &subsampling_dx, &subsampling_dy)
+ != 2) {
+ fprintf(stderr,
+ "'-s' sub-sampling argument error ! [-s dx,dy]\n");
+ return 1;
+ }
+ break;
+ /* ----------------------------------------------------- */
+ case 'd': /* coordonnate of the reference grid */
+ if (sscanf(optarg, "%d,%d", &Dim[0], &Dim[1]) != 2) {
+ fprintf(stderr,
+ "-d 'coordonnate of the reference grid' argument error !! [-d x0,y0]\n");
+ return 1;
+ }
+ break;
+ /* ----------------------------------------------------- */
+ case 'h': /* Display an help description */
+ help_display();
+ return 0;
+ break;
+ /* ----------------------------------------------------- */
+ case 'P': /* POC */
+ fprintf(stderr, "/----------------------------------\\\n");
+ fprintf(stderr, "| POC option not fully tested !! |\n");
+ fprintf(stderr, "\\----------------------------------/\n");
+
+ s = optarg;
+ while (sscanf(s, "T%d=%d,%d,%d,%d,%d,%s", &POC[numpocs].tile,
+ &POC[numpocs].resno0, &POC[numpocs].compno0,
+ &POC[numpocs].layno1, &POC[numpocs].resno1,
+ &POC[numpocs].compno1,
+ POC[numpocs].progorder) == 7) {
+ POC[numpocs].prg =
+ give_progression(POC[numpocs].progorder);
+ /* POC[numpocs].tile; */
+ numpocs++;
+ while (*s && *s != '/') {
+ s++;
+ }
+ if (!*s)
+ break;
+ s++;
+ }
+ break;
+ /* ------------------------------------------------------ */
+ case 'S': /* SOP marker */
+ CSty |= 0x02;
+ break;
+ /* ------------------------------------------------------ */
+ case 'E': /* EPH marker */
+ CSty |= 0x04;
+ break;
+ /* ------------------------------------------------------ */
+ case 'M': /* Mode switch pas tous au point !! */
+ if (sscanf(optarg, "%d", &value) == 1) {
+ for (i = 0; i <= 5; i++) {
+ int cache = value & (1 << i);
+ if (cache)
+ mode |= (1 << i);
+ }
+ }
+ break;
+ /* ------------------------------------------------------ */
+ case 'R': /* ROI */
+ if (sscanf(optarg, "OI:c=%d,U=%d", &ROI_compno, &ROI_shift) !=
+ 2) {
+ fprintf(stderr,
+ "ROI error !! [-ROI:c='compno',U='shift']\n");
+ return 1;
+ }
+ break;
+ /* ------------------------------------------------------ */
+ case 'T': /* Tile offset */
+ if (sscanf(optarg, "%d,%d", &TX0, &TY0) != 2) {
+ fprintf(stderr,
+ "-T 'tile offset' argument error !! [-T X0,Y0]");
return 1;
+ }
+ break;
+ /* ------------------------------------------------------ */
+ case 'C': /* Add a comment */
+ cp.comment = optarg;
+ break;
+ /* ------------------------------------------------------ */
+ case 'I': /* reversible or not */
+ ir = 1;
+ break;
+ /* ------------------------------------------------------ */
+ default:
+ return 1;
}
-
- /* if no rate entered, lossless by default */
- if (tcp_init->numlayers == 0) {
- tcp_init->rates[tcp_init->numlayers] = 1;
- tcp_init->numlayers++;
- cp.disto_alloc = 1;
+ }
+
+ cp.tx0 = TX0;
+ cp.ty0 = TY0;
+
+ /* Error messages */
+ /* -------------- */
+ if (!infile || !outfile) {
+ fprintf(stderr,
+ "usage: image_to_j2k -i image-file -o j2k-file (+ options)\n");
+ return 1;
+ }
+
+ if (cp.disto_alloc & cp.fixed_alloc) {
+ fprintf(stderr,
+ "Error: option -r and -q can not be used together !!\n");
+ return 1;
+ }
+
+ /* if no rate entered, lossless by default */
+ if (tcp_init->numlayers == 0) {
+ tcp_init->rates[tcp_init->numlayers] = 1;
+ tcp_init->numlayers++;
+ cp.disto_alloc = 1;
+ }
+
+ if (TX0 > Dim[0] || TY0 > Dim[1]) {
+ fprintf(stderr,
+ "Error: Tile offset dimension is unnappropriate --> TX0(%d)<=IMG_X0(%d) TYO(%d)<=IMG_Y0(%d) \n",
+ TX0, Dim[0], TY0, Dim[1]);
+ return 1;
+ }
+
+ for (i = 0; i < numpocs; i++) {
+ if (POC[i].prg == -1) {
+ fprintf(stderr,
+ "Unrecognized progression order in option -P (POC n %d) [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n",
+ i + 1);
}
-
- if (TX0 > Dim[0] || TY0 > Dim[1]) {
- fprintf(stderr, "Error: Tile offset dimension is unnappropriate --> TX0(%d)<=IMG_X0(%d) TYO(%d)<=IMG_Y0(%d) \n",
- TX0, Dim[0], TY0, Dim[1]);
+ }
+
+ switch (cp.image_type) {
+ case 0:
+ if (Tile_arg) {
+ if (!pgxtoimage
+ (infile, &img, cp.tdy, subsampling_dx, subsampling_dy, Dim,
+ cp)) {
+ fprintf(stderr, "not a pgx file\n");
return 1;
+ }
+ } else {
+ if (!pgxtoimage
+ (infile, &img, -1, subsampling_dx, subsampling_dy, Dim,
+ cp)) {
+ fprintf(stderr, " not a pgx file\n");
+ return 1;
+ }
}
+ break;
- for (i = 0; i < numpocs; i++) {
- if (POC[i].prg == -1) {
- fprintf(stderr, "Unrecognized progression order in option -P (POC n %d) [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n",
- i + 1);
- }
+ case 1:
+ if (!pnmtoimage(infile, &img, subsampling_dx, subsampling_dy, Dim)) {
+ fprintf(stderr, " not a pnm file\n");
+ return 1;
}
+ break;
- switch (cp.image_type) {
- case 0:
- if (Tile_arg) {
- if (!pgxtoimage(infile, &img, cp.tdy, subsampling_dx, subsampling_dy, Dim, cp)) {
- fprintf(stderr, "not a pgx file\n");
- return 1;
- }
- } else {
- if (!pgxtoimage(infile, &img, -1, subsampling_dx, subsampling_dy, Dim, cp)) {
- fprintf(stderr, " not a pgx file\n");
- return 1;
- }
- }
- break;
-
- case 1:
- if (!pnmtoimage(infile, &img, subsampling_dx, subsampling_dy, Dim)) {
- fprintf(stderr, " not a pnm file\n");
- return 1;
- }
- break;
-
- case 2:
- if (!bmptoimage(infile, &img, subsampling_dx, subsampling_dy, Dim)) {
- fprintf(stderr, " not a bmp file\n");
- return 1;
- }
- break;
+ case 2:
+ if (!bmptoimage(infile, &img, subsampling_dx, subsampling_dy, Dim)) {
+ fprintf(stderr, " not a bmp file\n");
+ return 1;
}
- /* to respect profile - 0 */
- /* ---------------------- */
- numD_min = 0;
- /* while (int_ceildiv(img.x1,(1<<numD_min))-int_ceildiv(img.x0,(1<<numD_min))>120 || int_ceildiv(img.y1,(1<<numD_min))-int_ceildiv(img.y0,(1<<numD_min))>160) numD_min++;
- if ((numD_min+1)>NumResolution)
- {
- fprintf(stderr,"\n********************************************************************************\n\n");
- fprintf(stderr, "In view to respect Profile-0, the number of resolution used is %d in place of %d\n\n",numD_min+1,NumResolution);
- fprintf(stderr, "********************************************************************************\n\n");
- NumResolution=numD_min+1;
- } */
-
- if (Tile_arg == 1) {
- cp.tw = int_ceildiv(img.x1 - cp.tx0, cp.tdx);
- cp.th = int_ceildiv(img.y1 - cp.ty0, cp.tdy);
- } else {
- cp.tdx = img.x1 - cp.tx0;
- cp.tdy = img.y1 - cp.ty0;
+ break;
+ }
+ /* to respect profile - 0 */
+ /* ---------------------- */
+ numD_min = 0;
+ /* while (int_ceildiv(img.x1,(1<<numD_min))-int_ceildiv(img.x0,(1<<numD_min))>120 || int_ceildiv(img.y1,(1<<numD_min))-int_ceildiv(img.y0,(1<<numD_min))>160) numD_min++;
+ if ((numD_min+1)>NumResolution)
+ {
+ fprintf(stderr,"\n********************************************************************************\n\n");
+ fprintf(stderr, "In view to respect Profile-0, the number of resolution used is %d in place of %d\n\n",numD_min+1,NumResolution);
+ fprintf(stderr, "********************************************************************************\n\n");
+ NumResolution=numD_min+1;
+ } */
+
+ if (Tile_arg == 1) {
+ cp.tw = int_ceildiv(img.x1 - cp.tx0, cp.tdx);
+ cp.th = int_ceildiv(img.y1 - cp.ty0, cp.tdy);
+ } else {
+ cp.tdx = img.x1 - cp.tx0;
+ cp.tdy = img.y1 - cp.ty0;
+ }
+
+ /* Initialization for PPM marker */
+ cp.ppm = 0;
+ cp.ppm_data = NULL;
+ cp.ppm_previous = 0;
+ cp.ppm_store = 0;
+
+ /* Init the mutiple tiles */
+ /* ---------------------- */
+ cp.tcps = (j2k_tcp_t *) malloc(cp.tw * cp.th * sizeof(j2k_tcp_t));
+
+ for (tileno = 0; tileno < cp.tw * cp.th; tileno++) {
+ tcp = &cp.tcps[tileno];
+ tcp->numlayers = tcp_init->numlayers;
+ for (j = 0; j < tcp->numlayers; j++) {
+ tcp->rates[j] = tcp_init->rates[j];
}
-
- /* Initialization for PPM marker */
- cp.ppm=0;
- cp.ppm_data=NULL;
- cp.ppm_previous=0;
- cp.ppm_store=0;
-
- /* Init the mutiple tiles */
- /* ---------------------- */
- cp.tcps = (j2k_tcp_t *) malloc(cp.tw * cp.th * sizeof(j2k_tcp_t));
-
- for (tileno = 0; tileno < cp.tw * cp.th; tileno++) {
- tcp = &cp.tcps[tileno];
- tcp->numlayers = tcp_init->numlayers;
- for (j = 0; j < tcp->numlayers; j++) {
- tcp->rates[j] = tcp_init->rates[j];
+ tcp->csty = CSty;
+ tcp->prg = Prog_order;
+ tcp->mct = img.numcomps == 3 ? 1 : 0;
+ tcp->ppt = 0;
+ tcp->ppt_data = NULL;
+ tcp->ppt_store = 0;
+
+ numpocs_tile = 0;
+ tcp->POC = 0;
+ if (numpocs) {
+ /* intialisation of POC */
+ tcp->POC = 1;
+ for (i = 0; i < numpocs; i++) {
+ if (tileno == POC[i].tile - 1 || POC[i].tile == -1) {
+ tcp_poc = &tcp->pocs[numpocs_tile];
+ tcp_poc->resno0 = POC[numpocs_tile].resno0;
+ tcp_poc->compno0 = POC[numpocs_tile].compno0;
+ tcp_poc->layno1 = POC[numpocs_tile].layno1;
+ tcp_poc->resno1 = POC[numpocs_tile].resno1;
+ tcp_poc->compno1 = POC[numpocs_tile].compno1;
+ tcp_poc->prg = POC[numpocs_tile].prg;
+ tcp_poc->tile = POC[numpocs_tile].tile;
+ numpocs_tile++;
}
- tcp->csty = CSty;
- tcp->prg = Prog_order;
- tcp->mct = img.numcomps == 3 ? 1 : 0;
- tcp->ppt = 0;
- tcp->ppt_data=NULL;
- tcp->ppt_store=0;
-
- numpocs_tile = 0;
- tcp->POC=0;
- if (numpocs) {
- /* intialisation of POC */
- tcp->POC=1;
- for (i = 0; i < numpocs; i++) {
- if (tileno == POC[i].tile - 1 || POC[i].tile == -1) {
- tcp_poc = &tcp->pocs[numpocs_tile];
- tcp_poc->resno0 = POC[numpocs_tile].resno0;
- tcp_poc->compno0 = POC[numpocs_tile].compno0;
- tcp_poc->layno1 = POC[numpocs_tile].layno1;
- tcp_poc->resno1 = POC[numpocs_tile].resno1;
- tcp_poc->compno1 = POC[numpocs_tile].compno1;
- tcp_poc->prg = POC[numpocs_tile].prg;
- tcp_poc->tile = POC[numpocs_tile].tile;
- numpocs_tile++;
- }
- }
+ }
+ }
+ tcp->numpocs = numpocs_tile;
+ tcp->tccps =
+ (j2k_tccp_t *) malloc(img.numcomps * sizeof(j2k_tccp_t));
+
+ for (i = 0; i < img.numcomps; i++) {
+ tccp = &tcp->tccps[i];
+ tccp->csty = CSty & 0x01; /* 0 => one precinct || 1 => custom precinct */
+ tccp->numresolutions = NumResolution;
+ tccp->cblkw = int_floorlog2(cblockw_init);
+ tccp->cblkh = int_floorlog2(cblockh_init);
+ tccp->cblksty = mode;
+ tccp->qmfbid = ir ? 0 : 1;
+ tccp->qntsty =
+ ir ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
+ tccp->numgbits = 2;
+ if (i == ROI_compno)
+ tccp->roishift = ROI_shift;
+ else
+ tccp->roishift = 0;
+ if (CSty & J2K_CCP_CSTY_PRT) {
+
+ for (j = 0; j < tccp->numresolutions; j++) {
+ int size_prcw, size_prch;
+ size_prcw =
+ prcw_init >> (tccp->numresolutions - j - 1);
+ size_prch =
+ prch_init >> (tccp->numresolutions - j - 1);
+ if (size_prcw < 1) {
+ tccp->prcw[j] = 1;
+ } else {
+ tccp->prcw[j] =
+ int_floorlog2(prcw_init >>
+ (tccp->numresolutions - j - 1));
+ }
+ if (size_prch < 1) {
+ tccp->prch[j] = 1;
+ } else {
+ tccp->prch[j] =
+ int_floorlog2(prch_init >>
+ (tccp->numresolutions - j - 1));
+ }
}
- tcp->numpocs = numpocs_tile;
- tcp->tccps = (j2k_tccp_t *) malloc(img.numcomps * sizeof(j2k_tccp_t));
-
- for (i = 0; i < img.numcomps; i++) {
- tccp = &tcp->tccps[i];
- tccp->csty = CSty & 0x01; /* 0 => one precinct || 1 => custom precinct */
- tccp->numresolutions = NumResolution;
- tccp->cblkw = int_floorlog2(cblockw_init);
- tccp->cblkh = int_floorlog2(cblockh_init);
- tccp->cblksty = mode;
- tccp->qmfbid = ir ? 0 : 1;
- tccp->qntsty = ir ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
- tccp->numgbits = 2;
- if (i == ROI_compno)
- tccp->roishift = ROI_shift;
- else
- tccp->roishift = 0;
- if (CSty & J2K_CCP_CSTY_PRT) {
-
- for (j = 0; j < tccp->numresolutions; j++) {
- int size_prcw, size_prch;
- size_prcw = prcw_init >> (tccp->numresolutions - j - 1);
- size_prch = prch_init >> (tccp->numresolutions - j - 1);
- if (size_prcw < 1) {
- tccp->prcw[j] = 1;
- } else {
- tccp->prcw[j] =
- int_floorlog2(prcw_init >> (tccp->numresolutions - j - 1));
- }
- if (size_prch < 1) {
- tccp->prch[j] = 1;
- } else {
- tccp->prch[j] =
- int_floorlog2(prch_init >> (tccp->numresolutions - j - 1));
- }
- }
- } else {
- for (j = 0; j < tccp->numresolutions; j++) {
- tccp->prcw[j] = 15;
- tccp->prch[j] = 15;
- }
- }
- calc_explicit_stepsizes(tccp, img.comps[i].prec);
+ } else {
+ for (j = 0; j < tccp->numresolutions; j++) {
+ tccp->prcw[j] = 15;
+ tccp->prch[j] = 15;
}
+ }
+ calc_explicit_stepsizes(tccp, img.comps[i].prec);
}
-
- len = j2k_encode(&img, &cp, outfile, cp.tdx * cp.tdy * 2, index);
- if (len == 0) {
- fprintf(stderr, "failed to encode image\n");
- return 1;
+ }
+
+ len = j2k_encode(&img, &cp, outfile, cp.tdx * cp.tdy * 2, index);
+ if (len == 0) {
+ fprintf(stderr, "failed to encode image\n");
+ return 1;
+ }
+
+ /* Remove the temporary files */
+ /* -------------------------- */
+ if (cp.image_type) { /* PNM PGM PPM */
+ for (i = 0; i < img.numcomps; i++) {
+ char tmp;
+ sprintf(&tmp, "Compo%d", i);
+ if (remove(&tmp) == -1) {
+ fprintf(stderr, "failed to kill %s file !\n", &tmp);
+ }
}
+ } else { /* PGX */
+ for (i = 0; i < cp.th; i++) {
+ char tmp;
+ sprintf(&tmp, "bandtile%d", i + 1);
- /* Remove the temporary files */
- /* -------------------------- */
- if (cp.image_type) { /* PNM PGM PPM */
- for (i = 0; i < img.numcomps; i++) {
- char tmp;
- sprintf(&tmp, "Compo%d", i);
- if (remove(&tmp) == -1) {
- fprintf(stderr, "failed to kill %s file !\n", &tmp);
- }
- }
- } else { /* PGX */
- for (i = 0; i < cp.th; i++) {
- char tmp;
- sprintf(&tmp, "bandtile%d", i + 1);
-
- if (remove(&tmp) == -1) {
- fprintf(stderr, "failed to kill %s file !\n", &tmp);
- }
- }
+ if (remove(&tmp) == -1) {
+ fprintf(stderr, "failed to kill %s file !\n", &tmp);
+ }
}
+ }
- return 0;
+ return 0;
}
int ceildiv(int a, int b)
{
- return (a + b - 1) / b;
+ return (a + b - 1) / b;
}
int main(int argc, char **argv)
{
- FILE *f;
- char *src, *src_name;
- char *dest, S1, S2, S3;
- int len;
- j2k_image_t *img;
- j2k_cp_t *cp;
- j2k_option_t option;
- int w, wr, wrr, h, hr, hrr, max;
- int i, image_type = -1, compno, pad;
- int adjust;
-
- if (argc < 3) {
- fprintf(stderr, "usage: %s j2k-file image-file -reduce n (<- optional)\n", argv[0]);
- return 1;
+ FILE *f;
+ char *src, *src_name;
+ char *dest, S1, S2, S3;
+ int len;
+ j2k_image_t *img;
+ j2k_cp_t *cp;
+ j2k_option_t option;
+ int w, wr, wrr, h, hr, hrr, max;
+ int i, image_type = -1, compno, pad;
+ int adjust;
+
+ if (argc < 3) {
+ fprintf(stderr,
+ "usage: %s j2k-file image-file -reduce n (<- optional)\n",
+ argv[0]);
+ return 1;
+ }
+
+ f = fopen(argv[1], "rb");
+ if (!f) {
+ fprintf(stderr, "failed to open %s for reading\n", argv[1]);
+ return 1;
+ }
+
+ dest = argv[2];
+
+ option.reduce_on = 0;
+ option.reduce_value = 0;
+
+ /* OPTION REDUCE IS ACTIVE */
+ if (argc == 5) {
+ if (strcmp(argv[3], "-reduce")) {
+ fprintf(stderr,
+ "usage: options " "-reduce n"
+ " where n is the factor of reduction [%s]\n", argv[3]);
+ return 1;
}
-
- f = fopen(argv[1], "rb");
- if (!f) {
- fprintf(stderr, "failed to open %s for reading\n", argv[1]);
- return 1;
+ option.reduce_on = 1;
+ sscanf(argv[4], "%d", &option.reduce_value);
+ }
+
+ while (*dest) {
+ dest++;
+ }
+ dest--;
+ S3 = *dest;
+ dest--;
+ S2 = *dest;
+ dest--;
+ S1 = *dest;
+
+ if ((S1 == 'p' && S2 == 'g' && S3 == 'x')
+ || (S1 == 'P' && S2 == 'G' && S3 == 'X')) {
+ image_type = 0;
+ }
+
+ if ((S1 == 'p' && S2 == 'n' && S3 == 'm')
+ || (S1 == 'P' && S2 == 'N' && S3 == 'M') || (S1 == 'p' && S2 == 'g'
+ && S3 == 'm')
+ || (S1 == 'P' && S2 == 'G' && S3 == 'M') || (S1 == 'P' && S2 == 'P'
+ && S3 == 'M')
+ || (S1 == 'p' && S2 == 'p' && S3 == 'm')) {
+ image_type = 1;
+ }
+
+ if ((S1 == 'b' && S2 == 'm' && S3 == 'p')
+ || (S1 == 'B' && S2 == 'M' && S3 == 'P')) {
+ image_type = 2;
+ }
+
+ if (image_type == -1) {
+ fprintf(stderr,
+ "!! Unrecognized format for infile : %c%c%c [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\n\n",
+ S1, S2, S3);
+ return 1;
+ }
+
+ fseek(f, 0, SEEK_END);
+ len = ftell(f);
+ fseek(f, 0, SEEK_SET);
+ src = (char *) malloc(len);
+ fread(src, 1, len, f);
+ fclose(f);
+
+ src_name = argv[1];
+ while (*src_name) {
+ src_name++;
+ }
+ src_name--;
+ S3 = *src_name;
+ src_name--;
+ S2 = *src_name;
+ src_name--;
+ S1 = *src_name;
+
+ if (S1 == 'j' && S2 == '2' && S3 == 'k') {
+ if (!j2k_decode(src, len, &img, &cp, option)) {
+ fprintf(stderr, "j2k_to_image: failed to decode image!\n");
+ return 1;
}
-
- dest = argv[2];
-
- option.reduce_on = 0;
- option.reduce_value = 0;
-
- /* OPTION REDUCE IS ACTIVE */
- if (argc == 5)
- {
- if (strcmp(argv[3],"-reduce"))
- {
- fprintf(stderr, "usage: options ""-reduce n"" where n is the factor of reduction [%s]\n",argv[3]);
+ } else {
+ if (S1 == 'j' && S2 == 'p' && S3 == 't') {
+ if (!j2k_decode_jpt_stream(src, len, &img, &cp)) {
+ fprintf(stderr, "j2k_to_image: failed to decode image!\n");
return 1;
- }
- option.reduce_on = 1;
- sscanf(argv[4],"%d",&option.reduce_value);
- }
-
- while (*dest) {
- dest++;
+ }
+ } else {
+ fprintf(stderr,
+ "j2k_to_image : Unknown format image *.%c%c%c [only *.j2k or *.jpt]!! \n",
+ S1, S2, S3);
+ return 1;
}
- dest--;
- S3 = *dest;
- dest--;
- S2 = *dest;
- dest--;
- S1 = *dest;
-
- if ((S1 == 'p' && S2 == 'g' && S3 == 'x') || (S1 == 'P' && S2 == 'G' && S3 == 'X')) {
- image_type = 0;
+ }
+
+ free(src);
+ /* ------------------ CREATE OUT IMAGE WITH THE RIGHT FORMAT ----------------------- */
+
+ /* ---------------------------- / */
+ /* / / */
+ /* / FORMAT : PNM, PGM or PPM / */
+ /* / / */
+ /* ---------------------------- / */
+
+ switch (image_type) {
+ case 1: /* PNM PGM PPM */
+ if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
+ && img->comps[1].dx == img->comps[2].dx
+ && img->comps[0].dy == img->comps[1].dy
+ && img->comps[1].dy == img->comps[2].dy
+ && img->comps[0].prec == img->comps[1].prec
+ && img->comps[1].prec == img->comps[2].prec) {
+ f = fopen(argv[2], "wb");
+ w = ceildiv(img->x1 - img->x0, img->comps[0].dx);
+ // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor),img->comps[0].dx);
+ wr = img->comps[0].w;
+ wrr = int_ceildivpow2(img->comps[0].w, img->comps[0].factor);
+
+ h = ceildiv(img->y1 - img->y0, img->comps[0].dy);
+ // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), img->comps[0].dy);
+ hr = img->comps[0].h;
+ hrr = int_ceildivpow2(img->comps[0].h, img->comps[0].factor);
+
+ max =
+ img->comps[0].prec >
+ 8 ? 255 : (1 << img->comps[0].prec) - 1;
+
+ img->comps[0].x0 =
+ int_ceildivpow2(img->comps[0].x0 -
+ int_ceildiv(img->x0, img->comps[0].dx),
+ img->comps[0].factor);
+ img->comps[0].y0 =
+ int_ceildivpow2(img->comps[0].y0 -
+ int_ceildiv(img->y0, img->comps[0].dy),
+ img->comps[0].factor);
+
+
+ fprintf(f, "P6\n# %d %d %d %d %d\n%d %d\n%d\n",
+ cp->tcps[cp->tileno[0]].tccps[0].numresolutions, w, h,
+ img->comps[0].x0, img->comps[0].y0, wrr, hrr, max);
+ adjust = img->comps[0].prec > 8 ? img->comps[0].prec - 8 : 0;
+ for (i = 0; i < wrr * hrr; i++) {
+ char r, g, b;
+ r = img->comps[0].data[i / wrr * wr + i % wrr];
+ r += (img->comps[0].
+ sgnd ? 1 << (img->comps[0].prec - 1) : 0);
+ r = r >> adjust;
+
+ g = img->comps[1].data[i / wrr * wr + i % wrr];
+ g += (img->comps[1].
+ sgnd ? 1 << (img->comps[1].prec - 1) : 0);
+ g = g >> adjust;
+
+ b = img->comps[2].data[i / wrr * wr + i % wrr];
+ b += (img->comps[2].
+ sgnd ? 1 << (img->comps[2].prec - 1) : 0);
+ b = b >> adjust;
+
+ fprintf(f, "%c%c%c", r, g, b);
+ }
+ fclose(f);
+ } else {
+ for (compno = 0; compno < img->numcomps; compno++) {
+ char name[256];
+ if (img->numcomps > 1) {
+ sprintf(name, "%d.%s", compno, argv[2]);
+ } else {
+ sprintf(name, "%s", argv[2]);
+ }
+ f = fopen(name, "wb");
+ w = ceildiv(img->x1 - img->x0, img->comps[compno].dx);
+ // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor),img->comps[compno].dx);
+ wr = img->comps[compno].w;
+ wrr =
+ int_ceildivpow2(img->comps[compno].w,
+ img->comps[compno].factor);
+
+ h = ceildiv(img->y1 - img->y0, img->comps[compno].dy);
+ // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), img->comps[compno].dy);
+ hr = img->comps[compno].h;
+ hrr =
+ int_ceildivpow2(img->comps[compno].h,
+ img->comps[compno].factor);
+
+ max =
+ img->comps[compno].prec >
+ 8 ? 255 : (1 << img->comps[compno].prec) - 1;
+
+ img->comps[compno].x0 =
+ int_ceildivpow2(img->comps[compno].x0 -
+ int_ceildiv(img->x0,
+ img->comps[compno].dx),
+ img->comps[compno].factor);
+ img->comps[compno].y0 =
+ int_ceildivpow2(img->comps[compno].y0 -
+ int_ceildiv(img->y0,
+ img->comps[compno].dy),
+ img->comps[compno].factor);
+
+ fprintf(f, "P5\n# %d %d %d %d %d\n%d %d\n%d\n",
+ cp->tcps[cp->tileno[0]].tccps[compno].
+ numresolutions, w, h, img->comps[compno].x0,
+ img->comps[compno].y0, wrr, hrr, max);
+ adjust =
+ img->comps[compno].prec >
+ 8 ? img->comps[compno].prec - 8 : 0;
+ for (i = 0; i < wrr * hrr; i++) {
+ char l;
+ l = img->comps[compno].data[i / wrr * wr + i % wrr];
+ l += (img->comps[compno].
+ sgnd ? 1 << (img->comps[compno].prec - 1) : 0);
+ l = l >> adjust;
+ fprintf(f, "%c", l);
+ }
+ fclose(f);
+ }
}
-
- if ((S1 == 'p' && S2 == 'n' && S3 == 'm')|| (S1 == 'P' && S2 == 'N' && S3 == 'M') ||
- (S1 == 'p' && S2 == 'g' && S3 == 'm')|| (S1 == 'P' && S2 == 'G' && S3 == 'M') ||
- (S1 == 'P' && S2 == 'P' && S3 == 'M')|| (S1 == 'p' && S2 == 'p' && S3 == 'm')) {
- image_type = 1;
+ break;
+
+ /* ------------------------ / */
+ /* / / */
+ /* / FORMAT : PGX / */
+ /* / / */
+ /* /----------------------- / */
+ case 0: /* PGX */
+ for (compno = 0; compno < img->numcomps; compno++) {
+ j2k_comp_t *comp = &img->comps[compno];
+ char name[256];
+ if (img->numcomps > 1)
+ sprintf(name, "%d_%s", compno, argv[2]);
+ else
+ sprintf(name, "%s", argv[2]);
+
+ f = fopen(name, "wb");
+ // w = ceildiv(img->x1 - img->x0, comp->dx);
+ // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor), comp->dx);
+ w = img->comps[compno].w;
+ wr = int_ceildivpow2(img->comps[compno].w,
+ img->comps[compno].factor);
+
+ // h = ceildiv(img->y1 - img->y0, comp->dy);
+ // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), comp->dy);
+ h = img->comps[compno].h;
+ hr = int_ceildivpow2(img->comps[compno].h,
+ img->comps[compno].factor);
+
+ fprintf(f, "PG LM %c %d %d %d\n", comp->sgnd ? '-' : '+',
+ comp->prec, wr, hr);
+ for (i = 0; i < wr * hr; i++) {
+ int v = img->comps[compno].data[i / wr * w + i % wr];
+ if (comp->prec <= 8) {
+ char c = (char) v;
+ fwrite(&c, 1, 1, f);
+ } else if (comp->prec <= 16) {
+ short s = (short) v;
+ fwrite(&s, 2, 1, f);
+ } else {
+ fwrite(&v, 4, 1, f);
+ }
+ }
+ fclose(f);
}
-
- if ((S1 == 'b' && S2 == 'm' && S3 == 'p') || (S1 == 'B' && S2 == 'M' && S3 == 'P')) {
- image_type = 2;
+ break;
+
+ /* ------------------------ / */
+ /* / / */
+ /* / FORMAT : BMP / */
+ /* / / */
+ /* /----------------------- / */
+
+ case 2: /* BMP */
+ if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
+ && img->comps[1].dx == img->comps[2].dx
+ && img->comps[0].dy == img->comps[1].dy
+ && img->comps[1].dy == img->comps[2].dy
+ && img->comps[0].prec == img->comps[1].prec
+ && img->comps[1].prec == img->comps[2].prec) {
+ /* -->> -->> -->> -->>
+
+ 24 bits color
+
+ <<-- <<-- <<-- <<-- */
+
+ f = fopen(argv[2], "wb");
+ // w = ceildiv(img->x1 - img->x0, img->comps[0].dx);
+ // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor), img->comps[0].dx);
+ w = img->comps[0].w;
+ wr = int_ceildivpow2(img->comps[0].w, img->comps[0].factor);
+
+ // h = ceildiv(img->y1 - img->y0, img->comps[0].dy);
+ // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), img->comps[0].dy);
+ h = img->comps[0].h;
+ hr = int_ceildivpow2(img->comps[0].h, img->comps[0].factor);
+
+ fprintf(f, "BM");
+
+ /* FILE HEADER */
+ /* ------------- */
+ fprintf(f, "%c%c%c%c",
+ (unsigned char) (hr * wr * 3 + 3 * hr * (wr % 2) +
+ 54) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
+ >> 8) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
+ >> 16) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
+ >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,
+ ((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
+
+ /* INFO HEADER */
+ /* ------------- */
+ fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,
+ ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (unsigned char) ((wr) & 0xff),
+ (unsigned char) ((wr) >> 8) & 0xff,
+ (unsigned char) ((wr) >> 16) & 0xff,
+ (unsigned char) ((wr) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
+ (unsigned char) ((hr) >> 8) & 0xff,
+ (unsigned char) ((hr) >> 16) & 0xff,
+ (unsigned char) ((hr) >> 24) & 0xff);
+ fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
+ fprintf(f, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c",
+ (unsigned char) (3 * hr * wr +
+ 3 * hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
+ 8) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
+ 16) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
+ 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
+ ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
+ ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+
+ for (i = 0; i < wr * hr; i++) {
+ unsigned char R, G, B;
+ /* a modifier */
+ // R = img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
+ R = img->comps[0].data[w * hr - ((i) / (wr) + 1) * w +
+ (i) % (wr)];
+ // G = img->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
+ G = img->comps[1].data[w * hr - ((i) / (wr) + 1) * w +
+ (i) % (wr)];
+ // B = img->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
+ B = img->comps[2].data[w * hr - ((i) / (wr) + 1) * w +
+ (i) % (wr)];
+ fprintf(f, "%c%c%c", B, G, R);
+
+ if ((i + 1) % wr == 0) {
+ for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0; pad > 0; pad--) /* ADD */
+ fprintf(f, "%c", 0);
+ }
+ }
+ fclose(f);
+ } else { /* Gray-scale */
+
+ /* -->> -->> -->> -->>
+
+ 8 bits non code (Gray scale)
+
+ <<-- <<-- <<-- <<-- */
+ f = fopen(argv[2], "wb");
+ // w = ceildiv(img->x1 - img->x0, img->comps[0].dx);
+ // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor), img->comps[0].dx);
+ w = img->comps[0].w;
+ wr = int_ceildivpow2(img->comps[0].w, img->comps[0].factor);
+
+ // h = ceildiv(img->y1 - img->y0, img->comps[0].dy);
+ // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), img->comps[0].dy);
+ h = img->comps[0].h;
+ hr = int_ceildivpow2(img->comps[0].h, img->comps[0].factor);
+
+ fprintf(f, "BM");
+
+ /* FILE HEADER */
+ /* ------------- */
+ fprintf(f, "%c%c%c%c",
+ (unsigned char) (hr * wr + 54 + 1024 +
+ hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2))
+ >> 8) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2))
+ >> 16) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + wr * (wr % 2))
+ >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (54 + 1024) & 0xff,
+ ((54 + 1024) >> 8) & 0xff, ((54 + 1024) >> 16) & 0xff,
+ ((54 + 1024) >> 24) & 0xff);
+
+ /* INFO HEADER */
+ /* ------------- */
+ fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,
+ ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (unsigned char) ((wr) & 0xff),
+ (unsigned char) ((wr) >> 8) & 0xff,
+ (unsigned char) ((wr) >> 16) & 0xff,
+ (unsigned char) ((wr) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
+ (unsigned char) ((hr) >> 8) & 0xff,
+ (unsigned char) ((hr) >> 16) & 0xff,
+ (unsigned char) ((hr) >> 24) & 0xff);
+ fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
+ fprintf(f, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c",
+ (unsigned char) (hr * wr + hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 8) &
+ 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 16) &
+ 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 24) &
+ 0xff);
+ fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
+ ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
+ ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff,
+ ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff,
+ ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
}
- if (image_type == -1) {
- fprintf(stderr, "!! Unrecognized format for infile : %c%c%c [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\n\n",S1,S2,S3);
- return 1;
+ for (i = 0; i < 256; i++) {
+ fprintf(f, "%c%c%c%c", i, i, i, 0);
}
- fseek(f, 0, SEEK_END);
- len = ftell(f);
- fseek(f, 0, SEEK_SET);
- src = (char *) malloc(len);
- fread(src, 1, len, f);
- fclose(f);
-
- src_name=argv[1];
- while (*src_name) {
- src_name++;
- }
- src_name--;
- S3 = *src_name;
- src_name--;
- S2 = *src_name;
- src_name--;
- S1 = *src_name;
-
- if (S1 == 'j' && S2 == '2' && S3 == 'k')
- {
- if (!j2k_decode(src, len, &img, &cp, option)) {
- fprintf(stderr, "j2k_to_image: failed to decode image!\n");
- return 1;
+ for (i = 0; i < wr * hr; i++) {
+ /* a modifier !! */
+ // fprintf(f, "%c", img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]);
+ fprintf(f, "%c",
+ img->comps[0].data[w * hr - ((i) / (wr) + 1) * w +
+ (i) % (wr)]);
+ /*if (((i + 1) % w == 0 && w % 2))
+ fprintf(f, "%c", 0); */
+ if ((i + 1) % wr == 0) {
+ for (pad = wr % 4 ? 4 - wr % 4 : 0; pad > 0; pad--) /* ADD */
+ fprintf(f, "%c", 0);
}
- }
- else
- {
- if (S1 == 'j' && S2 == 'p' && S3 == 't')
- {
- if (!j2k_decode_jpt_stream(src, len, &img, &cp)) {
- fprintf(stderr, "j2k_to_image: failed to decode image!\n");
- return 1;
- }
- }
- else
- {
- fprintf(stderr,"j2k_to_image : Unknown format image *.%c%c%c [only *.j2k or *.jpt]!! \n",S1,S2,S3);
- return 1;
- }
- }
-
- free(src);
- /* ------------------ CREATE OUT IMAGE WITH THE RIGHT FORMAT ----------------------- */
-
- /* ---------------------------- / */
- /* / / */
- /* / FORMAT : PNM, PGM or PPM / */
- /* / / */
- /* ---------------------------- / */
-
- switch (image_type)
- {
- case 1: /* PNM PGM PPM*/
- if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
- && img->comps[1].dx == img->comps[2].dx
- && img->comps[0].dy == img->comps[1].dy
- && img->comps[1].dy == img->comps[2].dy
- && img->comps[0].prec == img->comps[1].prec
- && img->comps[1].prec == img->comps[2].prec)
- {
- f = fopen(argv[2], "wb");
- w = ceildiv(img->x1 - img->x0, img->comps[0].dx);
- // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor),img->comps[0].dx);
- wr = img->comps[0].w;
- wrr = int_ceildivpow2(img->comps[0].w ,img->comps[0].factor);
-
- h = ceildiv(img->y1 - img->y0, img->comps[0].dy);
- // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), img->comps[0].dy);
- hr = img->comps[0].h;
- hrr = int_ceildivpow2(img->comps[0].h ,img->comps[0].factor);
-
- max = img->comps[0].prec > 8 ? 255 : (1 << img->comps[0].prec) - 1;
-
- img->comps[0].x0 = int_ceildivpow2(img->comps[0].x0 - int_ceildiv(img->x0, img->comps[0].dx),img->comps[0].factor);
- img->comps[0].y0 = int_ceildivpow2(img->comps[0].y0 - int_ceildiv(img->y0, img->comps[0].dy),img->comps[0].factor);
-
-
- fprintf(f, "P6\n# %d %d %d %d %d\n%d %d\n%d\n",cp->tcps[cp->tileno[0]].tccps[0].numresolutions, w, h,img->comps[0].x0, img->comps[0].y0, wrr, hrr, max);
- adjust = img->comps[0].prec > 8 ? img->comps[0].prec - 8 : 0;
- for (i = 0; i < wrr * hrr; i++)
- {
- char r, g, b;
- r = img->comps[0].data[i / wrr * wr + i % wrr];
- r += (img->comps[0].sgnd ? 1 << (img->comps[0].prec-1):0);
- r = r >> adjust;
-
- g = img->comps[1].data[i / wrr * wr + i % wrr];
- g += (img->comps[1].sgnd ? 1 << (img->comps[1].prec-1):0);
- g = g >> adjust;
-
- b = img->comps[2].data[i / wrr * wr + i % wrr];
- b += (img->comps[2].sgnd ? 1 << (img->comps[2].prec-1):0);
- b = b >> adjust;
-
- fprintf(f, "%c%c%c", r, g, b);
- }
- fclose(f);
- } else
- {
- for (compno = 0; compno < img->numcomps; compno++)
- {
- char name[256];
- if (img->numcomps > 1) {
- sprintf(name, "%d.%s", compno, argv[2]);
- } else
- {
- sprintf(name, "%s", argv[2]);
- }
- f = fopen(name, "wb");
- w = ceildiv(img->x1 - img->x0, img->comps[compno].dx);
- // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor),img->comps[compno].dx);
- wr = img->comps[compno].w;
- wrr = int_ceildivpow2(img->comps[compno].w ,img->comps[compno].factor);
-
- h = ceildiv(img->y1 - img->y0, img->comps[compno].dy);
- // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), img->comps[compno].dy);
- hr = img->comps[compno].h;
- hrr = int_ceildivpow2(img->comps[compno].h ,img->comps[compno].factor);
-
- max = img->comps[compno].prec > 8 ? 255 : (1 << img->comps[compno].prec) - 1;
-
- img->comps[compno].x0 = int_ceildivpow2(img->comps[compno].x0 - int_ceildiv(img->x0, img->comps[compno].dx),
- img->comps[compno].factor);
- img->comps[compno].y0 = int_ceildivpow2(img->comps[compno].y0 - int_ceildiv(img->y0, img->comps[compno].dy),
- img->comps[compno].factor);
-
- fprintf(f, "P5\n# %d %d %d %d %d\n%d %d\n%d\n", cp->tcps[cp->tileno[0]].tccps[compno].numresolutions, w,
- h, img->comps[compno].x0, img->comps[compno].y0,wrr, hrr, max);
- adjust = img->comps[compno].prec > 8 ? img->comps[compno].prec - 8 : 0;
- for (i = 0; i < wrr * hrr; i++)
- {
- char l;
- l = img->comps[compno].data[i / wrr * wr + i % wrr];
- l += (img->comps[compno].sgnd ? 1 << (img->comps[compno].prec - 1) : 0);
- l = l >> adjust;
- fprintf(f, "%c", l);
- }
- fclose(f);
- }
- }
- break ;
-
- /* ------------------------ / */
- /* / / */
- /* / FORMAT : PGX / */
- /* / / */
- /* /----------------------- / */
- case 0: /* PGX */
- for (compno = 0; compno < img->numcomps; compno++)
- {
- j2k_comp_t *comp = &img->comps[compno];
- char name[256];
- if (img->numcomps>1)
- sprintf(name, "%d_%s", compno, argv[2]);
- else
- sprintf(name, "%s", argv[2]);
+ }
+ break;
+ default:
+ break;
+ }
- f = fopen(name, "wb");
- // w = ceildiv(img->x1 - img->x0, comp->dx);
- // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor), comp->dx);
- w = img->comps[compno].w;
- wr = int_ceildivpow2(img->comps[compno].w ,img->comps[compno].factor);
-
- // h = ceildiv(img->y1 - img->y0, comp->dy);
- // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), comp->dy);
- h = img->comps[compno].h;
- hr = int_ceildivpow2(img->comps[compno].h ,img->comps[compno].factor);
-
- fprintf(f, "PG LM %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, wr, hr);
- for (i = 0; i < wr * hr; i++)
- {
- int v = img->comps[compno].data[i / wr * w + i % wr];
- if (comp->prec <= 8)
- {
- char c = (char) v;
- fwrite(&c, 1, 1, f);
- } else if (comp->prec <= 16)
- {
- short s = (short) v;
- fwrite(&s, 2, 1, f);
- } else
- {
- fwrite(&v, 4, 1, f);
- }
- }
- fclose(f);
- }
- break ;
-
- /* ------------------------ / */
- /* / / */
- /* / FORMAT : BMP / */
- /* / / */
- /* /----------------------- / */
-
- case 2: /* BMP */
- if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
- && img->comps[1].dx == img->comps[2].dx
- && img->comps[0].dy == img->comps[1].dy
- && img->comps[1].dy == img->comps[2].dy
- && img->comps[0].prec == img->comps[1].prec
- && img->comps[1].prec == img->comps[2].prec)
- {
- /* -->> -->> -->> -->>
-
- 24 bits color
-
- <<-- <<-- <<-- <<-- */
-
- f = fopen(argv[2], "wb");
- // w = ceildiv(img->x1 - img->x0, img->comps[0].dx);
- // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor), img->comps[0].dx);
- w = img->comps[0].w;
- wr = int_ceildivpow2(img->comps[0].w ,img->comps[0].factor);
-
- // h = ceildiv(img->y1 - img->y0, img->comps[0].dy);
- // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), img->comps[0].dy);
- h = img->comps[0].h;
- hr = int_ceildivpow2(img->comps[0].h ,img->comps[0].factor);
-
- fprintf(f, "BM");
-
- /* FILE HEADER */
- /* ------------- */
- fprintf(f, "%c%c%c%c",
- (unsigned char) (hr * wr * 3 + 3 * hr * (wr % 2) + 54) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 8) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 16) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff, ((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
-
- /* INFO HEADER */
- /* ------------- */
- fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (unsigned char) ((wr) & 0xff),(unsigned char) ((wr) >> 8) & 0xff,
- (unsigned char) ((wr) >> 16) & 0xff, (unsigned char) ((wr) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (unsigned char) ((hr) & 0xff), (unsigned char) ((hr) >> 8) & 0xff,
- (unsigned char) ((hr) >> 16) & 0xff, (unsigned char) ((hr) >> 24) & 0xff);
- fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
- fprintf(f, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (unsigned char) (3 * hr * wr + 3 * hr * (wr % 2)) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 8) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 16) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
-
- for (i = 0; i < wr * hr; i++)
- {
- unsigned char R, G, B;
- /* a modifier */
- // R = img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- R = img->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
- // G = img->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- G = img->comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
- // B = img->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- B = img->comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
- fprintf(f, "%c%c%c", B, G, R);
-
- if ((i + 1) % wr == 0)
- {
- for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0 ; pad > 0 ; pad--) /* ADD */
- fprintf(f, "%c", 0);
- }
- }
- fclose(f);
- } else
- { /* Gray-scale */
-
- /* -->> -->> -->> -->>
-
- 8 bits non code (Gray scale)
-
- <<-- <<-- <<-- <<-- */
- f = fopen(argv[2], "wb");
- // w = ceildiv(img->x1 - img->x0, img->comps[0].dx);
- // wr = ceildiv(int_ceildivpow2(img->x1 - img->x0,img->factor), img->comps[0].dx);
- w = img->comps[0].w;
- wr = int_ceildivpow2(img->comps[0].w ,img->comps[0].factor);
-
- // h = ceildiv(img->y1 - img->y0, img->comps[0].dy);
- // hr = ceildiv(int_ceildivpow2(img->y1 - img->y0,img->factor), img->comps[0].dy);
- h = img->comps[0].h;
- hr = int_ceildivpow2(img->comps[0].h ,img->comps[0].factor);
-
- fprintf(f, "BM");
-
- /* FILE HEADER */
- /* ------------- */
- fprintf(f, "%c%c%c%c",
- (unsigned char) (hr * wr + 54 + 1024 + hr * (wr % 2)) & 0xff,
- (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 8) & 0xff,
- (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 16) & 0xff,
- (unsigned char) ((hr * wr + 54 + 1024 + wr * (wr % 2)) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
- ((54 + 1024) >> 16) & 0xff, ((54 + 1024) >> 24) & 0xff);
-
- /* INFO HEADER */
- /* ------------- */
- fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (unsigned char) ((wr) & 0xff), (unsigned char) ((wr) >> 8) & 0xff,
- (unsigned char) ((wr) >> 16) & 0xff, (unsigned char) ((wr) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (unsigned char) ((hr) & 0xff), (unsigned char) ((hr) >> 8) & 0xff,
- (unsigned char) ((hr) >> 16) & 0xff, (unsigned char) ((hr) >> 24) & 0xff);
- fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
- fprintf(f, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (unsigned char) (hr * wr + hr * (wr % 2)) & 0xff,
- (unsigned char) ((hr * wr + hr * (wr % 2)) >> 8) & 0xff,
- (unsigned char) ((hr * wr + hr * (wr % 2)) >> 16) & 0xff,
- (unsigned char) ((hr * wr + hr * (wr % 2)) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
- }
-
- for (i = 0; i < 256; i++)
- {
- fprintf(f, "%c%c%c%c", i, i, i, 0);
- }
-
- for (i = 0; i < wr * hr; i++)
- {
- /* a modifier !! */
- // fprintf(f, "%c", img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]);
- fprintf(f, "%c", img->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)]);
- /*if (((i + 1) % w == 0 && w % 2))
- fprintf(f, "%c", 0);*/
- if ((i + 1) % wr == 0)
- {
- for (pad = wr % 4 ? 4 - wr % 4 : 0 ; pad > 0 ; pad--) /* ADD */
- fprintf(f, "%c", 0);
- }
- }
- break;
- default :
- break;
- }
-
- return 0;
+ return 0;
}
#include <stdio.h>
#include <setjmp.h>
-static unsigned char *bio_start; /* pointer to the start of the buffer */
-static unsigned char *bio_end; /* pointer to the end of the buffer */
-static unsigned char *bio_bp; /* pointer to the present position in the buffer */
-static unsigned int bio_buf; /* temporary place where each byte is read or written */
-static int bio_ct; /* coder : number of bits free to write // decoder : number of bits read */
+static unsigned char *bio_start; /* pointer to the start of the buffer */
+static unsigned char *bio_end; /* pointer to the end of the buffer */
+static unsigned char *bio_bp; /* pointer to the present position in the buffer */
+static unsigned int bio_buf; /* temporary place where each byte is read or written */
+static int bio_ct; /* coder : number of bits free to write // decoder : number of bits read */
extern jmp_buf j2k_error;
*/
int bio_numbytes()
{
- return bio_bp - bio_start;
+ return bio_bp - bio_start;
}
/*
*/
void bio_init_enc(unsigned char *bp, int len)
{
- bio_start = bp;
- bio_end = bp + len;
- bio_bp = bp;
- bio_buf = 0;
- bio_ct = 8;
+ bio_start = bp;
+ bio_end = bp + len;
+ bio_bp = bp;
+ bio_buf = 0;
+ bio_ct = 8;
}
/*
*/
void bio_init_dec(unsigned char *bp, int len)
{
- bio_start = bp;
- bio_end = bp + len;
- bio_bp = bp;
- bio_buf = 0;
- bio_ct = 0;
+ bio_start = bp;
+ bio_end = bp + len;
+ bio_bp = bp;
+ bio_buf = 0;
+ bio_ct = 0;
}
/*
*/
int bio_byteout()
{
- bio_buf = (bio_buf << 8) & 0xffff;
- bio_ct = bio_buf == 0xff00 ? 7 : 8;
- if (bio_bp >= bio_end)
- return 1;
- *bio_bp++ = bio_buf >> 8;
- return 0;
+ bio_buf = (bio_buf << 8) & 0xffff;
+ bio_ct = bio_buf == 0xff00 ? 7 : 8;
+ if (bio_bp >= bio_end)
+ return 1;
+ *bio_bp++ = bio_buf >> 8;
+ return 0;
}
/*
*/
int bio_bytein()
{
- bio_buf = (bio_buf << 8) & 0xffff;
- bio_ct = bio_buf == 0xff00 ? 7 : 8;
- if (bio_bp >= bio_end)
- return 1;
- bio_buf |= *bio_bp++;
- return 0;
+ bio_buf = (bio_buf << 8) & 0xffff;
+ bio_ct = bio_buf == 0xff00 ? 7 : 8;
+ if (bio_bp >= bio_end)
+ return 1;
+ bio_buf |= *bio_bp++;
+ return 0;
}
/*
*/
void bio_putbit(int b)
{
- if (bio_ct == 0) {
- bio_byteout();
- }
- bio_ct--;
- bio_buf |= b << bio_ct;
+ if (bio_ct == 0) {
+ bio_byteout();
+ }
+ bio_ct--;
+ bio_buf |= b << bio_ct;
}
/*
*/
int bio_getbit()
{
- if (bio_ct == 0) {
- bio_bytein();
- }
- bio_ct--;
- return (bio_buf >> bio_ct) & 1;
+ if (bio_ct == 0) {
+ bio_bytein();
+ }
+ bio_ct--;
+ return (bio_buf >> bio_ct) & 1;
}
/*
*/
void bio_write(int v, int n)
{
- int i;
- for (i = n - 1; i >= 0; i--) {
- bio_putbit((v >> i) & 1);
- }
+ int i;
+ for (i = n - 1; i >= 0; i--) {
+ bio_putbit((v >> i) & 1);
+ }
}
/*
*/
int bio_read(int n)
{
- int i, v;
- v = 0;
- for (i = n - 1; i >= 0; i--) {
- v += bio_getbit() << i;
- }
- return v;
+ int i, v;
+ v = 0;
+ for (i = n - 1; i >= 0; i--) {
+ v += bio_getbit() << i;
+ }
+ return v;
}
/*
*/
int bio_flush()
{
+ bio_ct = 0;
+ if (bio_byteout())
+ return 1;
+ if (bio_ct == 7) {
bio_ct = 0;
- if (bio_byteout())
- return 1;
- if (bio_ct == 7) {
- bio_ct = 0;
- if (bio_byteout())
- return 1;
- }
- return 0;
+ if (bio_byteout())
+ return 1;
+ }
+ return 0;
}
/*
*/
int bio_inalign()
{
+ bio_ct = 0;
+ if ((bio_buf & 0xff) == 0xff) {
+ if (bio_bytein())
+ return 1;
bio_ct = 0;
- if ((bio_buf & 0xff) == 0xff) {
- if (bio_bytein())
- return 1;
- bio_ct = 0;
- }
- return 0;
+ }
+ return 0;
}
/*
* Number of bytes written.
- */
+ */
int bio_numbytes();
/*
*/
int bio_flush();
-int bio_inalign(); /* modified to eliminated longjmp !! */
+int bio_inalign(); /* modified to eliminated longjmp !! */
#endif
#include "cio.h"
#include <setjmp.h>
-static unsigned char *cio_start; /* pointer to the start of the stream */
-static unsigned char *cio_end; /* pointer to the end of the stream */
-static unsigned char *cio_bp; /* pointer to the present position */
+static unsigned char *cio_start; /* pointer to the start of the stream */
+static unsigned char *cio_end; /* pointer to the end of the stream */
+static unsigned char *cio_bp; /* pointer to the present position */
extern jmp_buf j2k_error;
*/
int cio_numbytes()
{
- return cio_bp - cio_start;
+ return cio_bp - cio_start;
}
/*
*/
int cio_tell()
{
- return cio_bp - cio_start;
+ return cio_bp - cio_start;
}
/*
*/
void cio_seek(int pos)
{
- cio_bp = cio_start + pos;
+ cio_bp = cio_start + pos;
}
/*
*/
int cio_numbytesleft()
{
- return cio_end - cio_bp;
+ return cio_end - cio_bp;
}
/*
*/
unsigned char *cio_getbp()
{
- return cio_bp;
+ return cio_bp;
}
/*
*/
void cio_init(unsigned char *bp, int len)
{
- cio_start = bp;
- cio_end = bp + len;
- cio_bp = bp;
+ cio_start = bp;
+ cio_end = bp + len;
+ cio_bp = bp;
}
/*
*/
void cio_byteout(unsigned char v)
{
- if (cio_bp >= cio_end)
- longjmp(j2k_error, 1);
- *cio_bp++ = v;
+ if (cio_bp >= cio_end)
+ longjmp(j2k_error, 1);
+ *cio_bp++ = v;
}
*/
unsigned char cio_bytein()
{
- if (cio_bp >= cio_end)
- longjmp(j2k_error, 1);
- return *cio_bp++;
+ if (cio_bp >= cio_end)
+ longjmp(j2k_error, 1);
+ return *cio_bp++;
}
/*
*/
void cio_write(unsigned int v, int n)
{
- int i;
- for (i = n - 1; i >= 0; i--) {
- cio_byteout((unsigned char) ((v >> (i << 3)) & 0xff));
- }
+ int i;
+ for (i = n - 1; i >= 0; i--) {
+ cio_byteout((unsigned char) ((v >> (i << 3)) & 0xff));
+ }
}
/*
*/
unsigned int cio_read(int n)
{
- int i;
- unsigned int v;
- v = 0;
- for (i = n - 1; i >= 0; i--) {
- v += cio_bytein() << (i << 3);
- }
- return v;
+ int i;
+ unsigned int v;
+ v = 0;
+ for (i = n - 1; i >= 0; i--) {
+ v += cio_bytein() << (i << 3);
+ }
+ return v;
}
/*
*/
void cio_skip(int n)
{
- cio_bp += n;
+ cio_bp += n;
}
/* This table contains the norms of the 5-3 wavelets for different bands. */
/* </summary> */
double dwt_norms[4][10] = {
- {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},
- {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
- {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
- {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}
+ {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},
+ {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
+ {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
+ {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}
};
/* <summary> */
/* This table contains the norms of the 9-7 wavelets for different bands. */
/* </summary> */
double dwt_norms_real[4][10] = {
- {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
- {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
- {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
- {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
+ {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
+ {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
+ {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
+ {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
};
/* Add Patrick */
void dwt_clean()
{
- if (b != NULL) {
- free(b);
- }
- b = NULL;
- lastSizeOfB = 0;
+ if (b != NULL) {
+ free(b);
+ }
+ b = NULL;
+ lastSizeOfB = 0;
}
/* \ Add Patrick */
/* </summary> */
void dwt_deinterleave(int *a, int n, int x, int res, int cas)
{
- int dn, sn, i;
- sn = res;
- dn = n - res;
- if (lastSizeOfB != n) {
- if (b != NULL)
- free(b);
- b = (int *) malloc(n * sizeof(int));
- lastSizeOfB = n;
- }
-
- if (cas) {
- for (i = 0; i < sn; i++)
- b[i] = a[(2 * i + 1) * x];
- for (i = 0; i < dn; i++)
- b[sn + i] = a[2 * i * x];
- } else {
- for (i = 0; i < sn; i++)
- b[i] = a[2 * i * x];
- for (i = 0; i < dn; i++)
- b[sn + i] = a[(2 * i + 1) * x];
- }
- for (i = 0; i < n; i++)
- a[i * x] = b[i];
+ int dn, sn, i;
+ sn = res;
+ dn = n - res;
+ if (lastSizeOfB != n) {
+ if (b != NULL)
+ free(b);
+ b = (int *) malloc(n * sizeof(int));
+ lastSizeOfB = n;
+ }
+
+ if (cas) {
+ for (i = 0; i < sn; i++)
+ b[i] = a[(2 * i + 1) * x];
+ for (i = 0; i < dn; i++)
+ b[sn + i] = a[2 * i * x];
+ } else {
+ for (i = 0; i < sn; i++)
+ b[i] = a[2 * i * x];
+ for (i = 0; i < dn; i++)
+ b[sn + i] = a[(2 * i + 1) * x];
+ }
+ for (i = 0; i < n; i++)
+ a[i * x] = b[i];
}
/* <summary> */
/* </summary> */
void dwt_interleave(int *a, int n, int x, int res, int cas)
{
- int dn, sn, i;
- sn = res;
- dn = n - res;
-
- if (lastSizeOfB != n) {
- if (b != NULL)
- free(b);
- b = (int *) malloc(n * sizeof(int));
- lastSizeOfB = n;
- }
-
- if (cas) {
- for (i = 0; i < sn; i++)
- b[2 * i + 1] = a[i * x];
- for (i = 0; i < dn; i++)
- b[2 * i] = a[(sn + i) * x];
- } else {
- for (i = 0; i < sn; i++)
- b[2 * i] = a[i * x];
- for (i = 0; i < dn; i++)
- b[2 * i + 1] = a[(sn + i) * x];
- }
- for (i = 0; i < n; i++)
- a[i * x] = b[i];
+ int dn, sn, i;
+ sn = res;
+ dn = n - res;
+
+ if (lastSizeOfB != n) {
+ if (b != NULL)
+ free(b);
+ b = (int *) malloc(n * sizeof(int));
+ lastSizeOfB = n;
+ }
+
+ if (cas) {
+ for (i = 0; i < sn; i++)
+ b[2 * i + 1] = a[i * x];
+ for (i = 0; i < dn; i++)
+ b[2 * i] = a[(sn + i) * x];
+ } else {
+ for (i = 0; i < sn; i++)
+ b[2 * i] = a[i * x];
+ for (i = 0; i < dn; i++)
+ b[2 * i + 1] = a[(sn + i) * x];
+ }
+ for (i = 0; i < n; i++)
+ a[i * x] = b[i];
}
/* <summary> */
/* </summary> */
void dwt_encode_1(int *a, int n, int x, int res, int cas)
{
- int dn, sn, i = 0;
- sn = res;
- dn = n - res;
-
- if (cas) {
- if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
- S(i) *= 2;
- else {
- for (i = 0; i < dn; i++)
- S(i) -= (DD_(i) + DD_(i - 1)) >> 1;
- for (i = 0; i < sn; i++)
- D(i) += (SS_(i) + SS_(i + 1) + 2) >> 2;
- }
- } else {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < dn; i++)
- D(i) -= (S_(i) + S_(i + 1)) >> 1;
- for (i = 0; i < sn; i++)
- S(i) += (D_(i - 1) + D_(i) + 2) >> 2;
- }
+ int dn, sn, i = 0;
+ sn = res;
+ dn = n - res;
+
+ if (cas) {
+ if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
+ S(i) *= 2;
+ else {
+ for (i = 0; i < dn; i++)
+ S(i) -= (DD_(i) + DD_(i - 1)) >> 1;
+ for (i = 0; i < sn; i++)
+ D(i) += (SS_(i) + SS_(i + 1) + 2) >> 2;
}
- dwt_deinterleave(a, n, x, res, cas);
+ } else {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < dn; i++)
+ D(i) -= (S_(i) + S_(i + 1)) >> 1;
+ for (i = 0; i < sn; i++)
+ S(i) += (D_(i - 1) + D_(i) + 2) >> 2;
+ }
+ }
+ dwt_deinterleave(a, n, x, res, cas);
}
/* <summary> */
/* </summary> */
void dwt_decode_1(int *a, int n, int x, int res, int cas)
{
- int dn, sn, i = 0;
- sn = res;
- dn = n - res;
-
- dwt_interleave(a, n, x, res, cas);
- if (cas) {
- if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
- S(i) /= 2;
- else {
- for (i = 0; i < sn; i++)
- D(i) -= (SS_(i) + SS_(i + 1) + 2) >> 2;
- for (i = 0; i < dn; i++)
- S(i) += (DD_(i) + DD_(i - 1)) >> 1;
- }
- } else {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < sn; i++)
- S(i) -= (D_(i - 1) + D_(i) + 2) >> 2;
- for (i = 0; i < dn; i++)
- D(i) += (S_(i) + S_(i + 1)) >> 1;
- }
+ int dn, sn, i = 0;
+ sn = res;
+ dn = n - res;
+
+ dwt_interleave(a, n, x, res, cas);
+ if (cas) {
+ if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
+ S(i) /= 2;
+ else {
+ for (i = 0; i < sn; i++)
+ D(i) -= (SS_(i) + SS_(i + 1) + 2) >> 2;
+ for (i = 0; i < dn; i++)
+ S(i) += (DD_(i) + DD_(i - 1)) >> 1;
+ }
+ } else {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++)
+ S(i) -= (D_(i - 1) + D_(i) + 2) >> 2;
+ for (i = 0; i < dn; i++)
+ D(i) += (S_(i) + S_(i + 1)) >> 1;
}
+ }
}
/* <summary> */
/* </summary> */
void dwt_encode(int *a, int w, int h, tcd_tilecomp_t * tilec, int l)
{
- int i, j;
- int rw; /* width of the resolution level computed */
- int rh; /* heigth of the resolution level computed */
- int rw1; /* width of the resolution level once lower than computed one */
- int rh1; /* height of the resolution level once lower than computed one */
-
- for (i = 0; i < l; i++) {
- int cas_col = 0; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- int cas_row = 0; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
- rw1 = tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
- rh1 = tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
-
- cas_row = tilec->resolutions[l - i].x0 % 2;
- cas_col = tilec->resolutions[l - i].y0 % 2;
-
- for (j = 0; j < rw; j++)
- dwt_encode_1(a + j, rh, w, rh1, cas_col);
- for (j = 0; j < rh; j++)
- dwt_encode_1(a + j * w, rw, 1, rw1, cas_row);
- }
-
- dwt_clean();
+ int i, j;
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+
+ for (i = 0; i < l; i++) {
+ int cas_col = 0; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row = 0; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1 =
+ tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i -
+ 1].x0;
+ rh1 =
+ tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i -
+ 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ for (j = 0; j < rw; j++)
+ dwt_encode_1(a + j, rh, w, rh1, cas_col);
+ for (j = 0; j < rh; j++)
+ dwt_encode_1(a + j * w, rw, 1, rw1, cas_row);
+ }
+
+ dwt_clean();
}
/* <summary> */
/* Inverse 5-3 wavelet tranform in 2-D. */
/* </summary> */
-void dwt_decode(int *a, int w, int h, tcd_tilecomp_t * tilec, int l, int stop)
+void dwt_decode(int *a, int w, int h, tcd_tilecomp_t * tilec, int l,
+ int stop)
{
- int i, j;
- int rw; /* width of the resolution level computed */
- int rh; /* heigth of the resolution level computed */
- int rw1; /* width of the resolution level once lower than computed one */
- int rh1; /* height of the resolution level once lower than computed one */
-
- for (i = l - 1; i >= stop; i--) {
- int cas_col = 0; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- int cas_row = 0; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
-
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
- rw1 = tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
- rh1 = tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
-
- cas_row = tilec->resolutions[l - i].x0 % 2;
- cas_col = tilec->resolutions[l - i].y0 % 2;
-
- for (j = 0; j < rh; j++)
- dwt_decode_1(a + j * w, rw, 1, rw1, cas_row);
- for (j = 0; j < rw; j++)
- dwt_decode_1(a + j, rh, w, rh1, cas_col);
- }
- dwt_clean();
+ int i, j;
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+
+ for (i = l - 1; i >= stop; i--) {
+ int cas_col = 0; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row = 0; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1 =
+ tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i -
+ 1].x0;
+ rh1 =
+ tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i -
+ 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ for (j = 0; j < rh; j++)
+ dwt_decode_1(a + j * w, rw, 1, rw1, cas_row);
+ for (j = 0; j < rw; j++)
+ dwt_decode_1(a + j, rh, w, rh1, cas_col);
+ }
+ dwt_clean();
}
/* <summary> */
/* </summary> */
int dwt_getgain(int orient)
{
- if (orient == 0)
- return 0;
- if (orient == 1 || orient == 2)
- return 1;
- return 2;
+ if (orient == 0)
+ return 0;
+ if (orient == 1 || orient == 2)
+ return 1;
+ return 2;
}
/* <summary> */
/* </summary> */
double dwt_getnorm(int level, int orient)
{
- return dwt_norms[orient][level];
+ return dwt_norms[orient][level];
}
/* <summary> */
/* </summary> */
void dwt_encode_1_real(int *a, int n, int x, int res, int cas)
{
- int dn, sn, i = 0;
- dn = n - res;
- sn = res;
-
- if (cas) {
- if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < dn; i++)
- S(i) -= fix_mul(DD_(i) + DD_(i - 1), 12993);
- for (i = 0; i < sn; i++)
- D(i) -= fix_mul(SS_(i) + SS_(i + 1), 434);
- for (i = 0; i < dn; i++)
- S(i) += fix_mul(DD_(i) + DD_(i - 1), 7233);
- for (i = 0; i < sn; i++)
- D(i) += fix_mul(SS_(i) + SS_(i + 1), 3633);
- for (i = 0; i < dn; i++)
- S(i) = fix_mul(S(i), 5038); /*5038*/
- for (i = 0; i < sn; i++)
- D(i) = fix_mul(D(i), 6659); /*6660*/
- }
- } else {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < dn; i++)
- D(i) -= fix_mul(S_(i) + S_(i + 1), 12993);
- for (i = 0; i < sn; i++)
- S(i) -= fix_mul(D_(i - 1) + D_(i), 434);
- for (i = 0; i < dn; i++)
- D(i) += fix_mul(S_(i) + S_(i + 1), 7233);
- for (i = 0; i < sn; i++)
- S(i) += fix_mul(D_(i - 1) + D_(i), 3633);
- for (i = 0; i < dn; i++)
- D(i) = fix_mul(D(i), 5038); /*5038*/
- for (i = 0; i < sn; i++)
- S(i) = fix_mul(S(i), 6659); /*6660*/
- }
+ int dn, sn, i = 0;
+ dn = n - res;
+ sn = res;
+
+ if (cas) {
+ if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < dn; i++)
+ S(i) -= fix_mul(DD_(i) + DD_(i - 1), 12993);
+ for (i = 0; i < sn; i++)
+ D(i) -= fix_mul(SS_(i) + SS_(i + 1), 434);
+ for (i = 0; i < dn; i++)
+ S(i) += fix_mul(DD_(i) + DD_(i - 1), 7233);
+ for (i = 0; i < sn; i++)
+ D(i) += fix_mul(SS_(i) + SS_(i + 1), 3633);
+ for (i = 0; i < dn; i++)
+ S(i) = fix_mul(S(i), 5038); /*5038 */
+ for (i = 0; i < sn; i++)
+ D(i) = fix_mul(D(i), 6659); /*6660 */
+ }
+ } else {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < dn; i++)
+ D(i) -= fix_mul(S_(i) + S_(i + 1), 12993);
+ for (i = 0; i < sn; i++)
+ S(i) -= fix_mul(D_(i - 1) + D_(i), 434);
+ for (i = 0; i < dn; i++)
+ D(i) += fix_mul(S_(i) + S_(i + 1), 7233);
+ for (i = 0; i < sn; i++)
+ S(i) += fix_mul(D_(i - 1) + D_(i), 3633);
+ for (i = 0; i < dn; i++)
+ D(i) = fix_mul(D(i), 5038); /*5038 */
+ for (i = 0; i < sn; i++)
+ S(i) = fix_mul(S(i), 6659); /*6660 */
}
- dwt_deinterleave(a, n, x, res, cas);
+ }
+ dwt_deinterleave(a, n, x, res, cas);
}
/* <summary> */
/* </summary> */
void dwt_decode_1_real(int *a, int n, int x, int res, int cas)
{
- int dn, sn, i = 0;
- dn = n - res;
- sn = res;
- dwt_interleave(a, n, x, res, cas);
- if (cas) {
- if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < sn; i++)
- D(i) = fix_mul(D(i), 10078); /* 10076 */
- for (i = 0; i < dn; i++)
- S(i) = fix_mul(S(i), 13318); /* 13320*/
- for (i = 0; i < sn; i++)
- D(i) -= fix_mul(SS_(i) + SS_(i + 1), 3633);
- for (i = 0; i < dn; i++)
- S(i) -= fix_mul(DD_(i) + DD_(i - 1), 7233);
- for (i = 0; i < sn; i++)
- D(i) += fix_mul(SS_(i) + SS_(i + 1), 434);
- for (i = 0; i < dn; i++)
- S(i) += fix_mul(DD_(i) + DD_(i - 1), 12993);
- }
- } else {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < sn; i++)
- S(i) = fix_mul(S(i), 10078); /* 10076 */
- for (i = 0; i < dn; i++)
- D(i) = fix_mul(D(i), 13318); /* 13320*/
- for (i = 0; i < sn; i++)
- S(i) -= fix_mul(D_(i - 1) + D_(i), 3633);
- for (i = 0; i < dn; i++)
- D(i) -= fix_mul(S_(i) + S_(i + 1), 7233);
- for (i = 0; i < sn; i++)
- S(i) += fix_mul(D_(i - 1) + D_(i), 434);
- for (i = 0; i < dn; i++)
- D(i) += fix_mul(S_(i) + S_(i + 1), 12993);
- }
+ int dn, sn, i = 0;
+ dn = n - res;
+ sn = res;
+ dwt_interleave(a, n, x, res, cas);
+ if (cas) {
+ if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++)
+ D(i) = fix_mul(D(i), 10078); /* 10076 */
+ for (i = 0; i < dn; i++)
+ S(i) = fix_mul(S(i), 13318); /* 13320 */
+ for (i = 0; i < sn; i++)
+ D(i) -= fix_mul(SS_(i) + SS_(i + 1), 3633);
+ for (i = 0; i < dn; i++)
+ S(i) -= fix_mul(DD_(i) + DD_(i - 1), 7233);
+ for (i = 0; i < sn; i++)
+ D(i) += fix_mul(SS_(i) + SS_(i + 1), 434);
+ for (i = 0; i < dn; i++)
+ S(i) += fix_mul(DD_(i) + DD_(i - 1), 12993);
}
+ } else {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++)
+ S(i) = fix_mul(S(i), 10078); /* 10076 */
+ for (i = 0; i < dn; i++)
+ D(i) = fix_mul(D(i), 13318); /* 13320 */
+ for (i = 0; i < sn; i++)
+ S(i) -= fix_mul(D_(i - 1) + D_(i), 3633);
+ for (i = 0; i < dn; i++)
+ D(i) -= fix_mul(S_(i) + S_(i + 1), 7233);
+ for (i = 0; i < sn; i++)
+ S(i) += fix_mul(D_(i - 1) + D_(i), 434);
+ for (i = 0; i < dn; i++)
+ D(i) += fix_mul(S_(i) + S_(i + 1), 12993);
+ }
+ }
}
/* <summary> */
void dwt_encode_real(int *a, int w, int h, tcd_tilecomp_t * tilec, int l)
{
- int i, j;
- int rw; /* width of the resolution level computed */
- int rh; /* heigth of the resolution level computed */
- int rw1; /* width of the resolution level once lower than computed one */
- int rh1; /* height of the resolution level once lower than computed one */
-
- for (i = 0; i < l; i++) {
- int cas_col = 0; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- int cas_row = 0; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
- rw1 = tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
- rh1 = tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
-
- cas_row = tilec->resolutions[l - i].x0 % 2;
- cas_col = tilec->resolutions[l - i].y0 % 2;
-
- for (j = 0; j < rw; j++)
- dwt_encode_1_real(a + j, rh, w, rh1, cas_col);
- for (j = 0; j < rh; j++)
- dwt_encode_1_real(a + j * w, rw, 1, rw1, cas_row);
- }
+ int i, j;
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+
+ for (i = 0; i < l; i++) {
+ int cas_col = 0; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row = 0; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1 =
+ tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i -
+ 1].x0;
+ rh1 =
+ tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i -
+ 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ for (j = 0; j < rw; j++)
+ dwt_encode_1_real(a + j, rh, w, rh1, cas_col);
+ for (j = 0; j < rh; j++)
+ dwt_encode_1_real(a + j * w, rw, 1, rw1, cas_row);
+ }
}
/* <summary> */
/* Inverse 9-7 wavelet transform in 2-D. */
/* </summary> */
-void dwt_decode_real(int *a, int w, int h, tcd_tilecomp_t * tilec, int l, int stop)
+void dwt_decode_real(int *a, int w, int h, tcd_tilecomp_t * tilec, int l,
+ int stop)
{
- int i, j;
- int rw; /* width of the resolution level computed */
- int rh; /* heigth of the resolution level computed */
- int rw1; /* width of the resolution level once lower than computed one */
- int rh1; /* height of the resolution level once lower than computed one */
-
- for (i = l - 1; i >= stop; i--) {
- int cas_col = 0; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- int cas_row = 0; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
-
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
- rw1 = tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
- rh1 = tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
-
- cas_row = tilec->resolutions[l - i].x0 % 2;
- cas_col = tilec->resolutions[l - i].y0 % 2;
-
- for (j = 0; j < rh; j++)
- dwt_decode_1_real(a + j * w, rw, 1, rw1, cas_row);
- for (j = 0; j < rw; j++)
- dwt_decode_1_real(a + j, rh, w, rh1, cas_col);
- }
+ int i, j;
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+
+ for (i = l - 1; i >= stop; i--) {
+ int cas_col = 0; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row = 0; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1 =
+ tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i -
+ 1].x0;
+ rh1 =
+ tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i -
+ 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ for (j = 0; j < rh; j++)
+ dwt_decode_1_real(a + j * w, rw, 1, rw1, cas_row);
+ for (j = 0; j < rw; j++)
+ dwt_decode_1_real(a + j, rh, w, rh1, cas_col);
+ }
}
/* <summary> */
/* </summary> */
int dwt_getgain_real(int orient)
{
- return 0;
+ return 0;
}
/* <summary> */
/* </summary> */
double dwt_getnorm_real(int level, int orient)
{
- return dwt_norms_real[orient][level];
+ return dwt_norms_real[orient][level];
}
* row_tilec : tile component information (previous tile on the same row)
* col_tilec : tile component information (previous tile on the same column)
*/
-void dwt_decode(int *a, int w, int h, tcd_tilecomp_t * tilec, int l, int stop);
+void dwt_decode(int *a, int w, int h, tcd_tilecomp_t * tilec, int l,
+ int stop);
/*
* Get the gain of a subband for the reversible DWT
* h: height of the component
* l: number of decomposition levels in the DWT
*/
-void dwt_decode_real(int *a, int w, int h, tcd_tilecomp_t * tilec, int l, int stop);
+void dwt_decode_real(int *a, int w, int h, tcd_tilecomp_t * tilec, int l,
+ int stop);
/*
* Get the gain of a subband for the irreversible DWT
* orient: number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)
*/
int fix_mul(int a, int b)
{
- return (int) ((int64) a * (int64) b >> 13);
+ return (int) ((int64) a * (int64) b >> 13);
}
*/
int int_min(int a, int b)
{
- return a < b ? a : b;
+ return a < b ? a : b;
}
/*
*/
int int_max(int a, int b)
{
- return a > b ? a : b;
+ return a > b ? a : b;
}
/*
*/
int int_clamp(int a, int min, int max)
{
- if (a < min)
- return min;
- if (a > max)
- return max;
- return a;
+ if (a < min)
+ return min;
+ if (a > max)
+ return max;
+ return a;
}
/*
*/
int int_abs(int a)
{
- return a < 0 ? -a : a;
+ return a < 0 ? -a : a;
}
/*
*/
int int_ceildiv(int a, int b)
{
- return (a + b - 1) / b;
+ return (a + b - 1) / b;
}
/*
*/
int int_ceildivpow2(int a, int b)
{
- return (a + (1 << b) - 1) >> b;
+ return (a + (1 << b) - 1) >> b;
}
/*
*/
int int_floordivpow2(int a, int b)
{
- return a >> b;
+ return a >> b;
}
/*
*/
int int_floorlog2(int a)
{
- int l;
- for (l = 0; a > 1; l++) {
- a >>= 1;
- }
- return l;
+ int l;
+ for (l = 0; a > 1; l++) {
+ a >>= 1;
+ }
+ return l;
}
/* Add Patrick */
void j2k_clean()
{
- int tileno = 0;
- tcd_free_encode(j2k_img, j2k_cp, j2k_curtileno);
+ int tileno = 0;
+ tcd_free_encode(j2k_img, j2k_cp, j2k_curtileno);
- if (info_IM.index_on) {
- for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
- free(info_IM.tile[tileno].packet);
- }
- free(info_IM.tile);
+ if (info_IM.index_on) {
+ for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
+ free(info_IM.tile[tileno].packet);
}
+ free(info_IM.tile);
+ }
}
/* \Add Patrick */
void j2k_dump_image(j2k_image_t * img)
{
- int compno;
- fprintf(stderr, "image {\n");
- fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d\n", img->x0, img->y0,
- img->x1, img->y1);
- fprintf(stderr, " numcomps=%d\n", img->numcomps);
- for (compno = 0; compno < img->numcomps; compno++) {
- j2k_comp_t *comp = &img->comps[compno];
- fprintf(stderr, " comp %d {\n", compno);
- fprintf(stderr, " dx=%d, dy=%d\n", comp->dx, comp->dy);
- fprintf(stderr, " prec=%d\n", comp->prec);
- fprintf(stderr, " sgnd=%d\n", comp->sgnd);
- fprintf(stderr, " }\n");
- }
- fprintf(stderr, "}\n");
+ int compno;
+ fprintf(stderr, "image {\n");
+ fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d\n", img->x0, img->y0,
+ img->x1, img->y1);
+ fprintf(stderr, " numcomps=%d\n", img->numcomps);
+ for (compno = 0; compno < img->numcomps; compno++) {
+ j2k_comp_t *comp = &img->comps[compno];
+ fprintf(stderr, " comp %d {\n", compno);
+ fprintf(stderr, " dx=%d, dy=%d\n", comp->dx, comp->dy);
+ fprintf(stderr, " prec=%d\n", comp->prec);
+ fprintf(stderr, " sgnd=%d\n", comp->sgnd);
+ fprintf(stderr, " }\n");
+ }
+ fprintf(stderr, "}\n");
}
void j2k_dump_cp(j2k_image_t * img, j2k_cp_t * cp)
{
- int tileno, compno, layno, bandno, resno, numbands;
- fprintf(stderr, "coding parameters {\n");
- fprintf(stderr, " tx0=%d, ty0=%d\n", cp->tx0, cp->ty0);
- fprintf(stderr, " tdx=%d, tdy=%d\n", cp->tdx, cp->tdy);
- fprintf(stderr, " tw=%d, th=%d\n", cp->tw, cp->th);
- for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
- j2k_tcp_t *tcp = &cp->tcps[tileno];
- fprintf(stderr, " tile %d {\n", tileno);
- fprintf(stderr, " csty=%x\n", tcp->csty);
- fprintf(stderr, " prg=%d\n", tcp->prg);
- fprintf(stderr, " numlayers=%d\n", tcp->numlayers);
- fprintf(stderr, " mct=%d\n", tcp->mct);
- fprintf(stderr, " rates=");
- for (layno = 0; layno < tcp->numlayers; layno++) {
- fprintf(stderr, "%d ", tcp->rates[layno]);
+ int tileno, compno, layno, bandno, resno, numbands;
+ fprintf(stderr, "coding parameters {\n");
+ fprintf(stderr, " tx0=%d, ty0=%d\n", cp->tx0, cp->ty0);
+ fprintf(stderr, " tdx=%d, tdy=%d\n", cp->tdx, cp->tdy);
+ fprintf(stderr, " tw=%d, th=%d\n", cp->tw, cp->th);
+ for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
+ j2k_tcp_t *tcp = &cp->tcps[tileno];
+ fprintf(stderr, " tile %d {\n", tileno);
+ fprintf(stderr, " csty=%x\n", tcp->csty);
+ fprintf(stderr, " prg=%d\n", tcp->prg);
+ fprintf(stderr, " numlayers=%d\n", tcp->numlayers);
+ fprintf(stderr, " mct=%d\n", tcp->mct);
+ fprintf(stderr, " rates=");
+ for (layno = 0; layno < tcp->numlayers; layno++) {
+ fprintf(stderr, "%d ", tcp->rates[layno]);
+ }
+ fprintf(stderr, "\n");
+ for (compno = 0; compno < img->numcomps; compno++) {
+ j2k_tccp_t *tccp = &tcp->tccps[compno];
+ fprintf(stderr, " comp %d {\n", compno);
+ fprintf(stderr, " csty=%x\n", tccp->csty);
+ fprintf(stderr, " numresolutions=%d\n",
+ tccp->numresolutions);
+ fprintf(stderr, " cblkw=%d\n", tccp->cblkw);
+ fprintf(stderr, " cblkh=%d\n", tccp->cblkh);
+ fprintf(stderr, " cblksty=%x\n", tccp->cblksty);
+ fprintf(stderr, " qmfbid=%d\n", tccp->qmfbid);
+ fprintf(stderr, " qntsty=%d\n", tccp->qntsty);
+ fprintf(stderr, " numgbits=%d\n", tccp->numgbits);
+ fprintf(stderr, " roishift=%d\n", tccp->roishift);
+ fprintf(stderr, " stepsizes=");
+ numbands =
+ tccp->qntsty ==
+ J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
+ for (bandno = 0; bandno < numbands; bandno++) {
+ fprintf(stderr, "(%d,%d) ", tccp->stepsizes[bandno].mant,
+ tccp->stepsizes[bandno].expn);
+ }
+ fprintf(stderr, "\n");
+
+ if (tccp->csty & J2K_CCP_CSTY_PRT) {
+ fprintf(stderr, " prcw=");
+ for (resno = 0; resno < tccp->numresolutions; resno++) {
+ fprintf(stderr, "%d ", tccp->prcw[resno]);
}
fprintf(stderr, "\n");
- for (compno = 0; compno < img->numcomps; compno++) {
- j2k_tccp_t *tccp = &tcp->tccps[compno];
- fprintf(stderr, " comp %d {\n", compno);
- fprintf(stderr, " csty=%x\n", tccp->csty);
- fprintf(stderr, " numresolutions=%d\n", tccp->numresolutions);
- fprintf(stderr, " cblkw=%d\n", tccp->cblkw);
- fprintf(stderr, " cblkh=%d\n", tccp->cblkh);
- fprintf(stderr, " cblksty=%x\n", tccp->cblksty);
- fprintf(stderr, " qmfbid=%d\n", tccp->qmfbid);
- fprintf(stderr, " qntsty=%d\n", tccp->qntsty);
- fprintf(stderr, " numgbits=%d\n", tccp->numgbits);
- fprintf(stderr, " roishift=%d\n", tccp->roishift);
- fprintf(stderr, " stepsizes=");
- numbands =
- tccp->qntsty ==
- J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
- for (bandno = 0; bandno < numbands; bandno++) {
- fprintf(stderr, "(%d,%d) ", tccp->stepsizes[bandno].mant,
- tccp->stepsizes[bandno].expn);
- }
- fprintf(stderr, "\n");
-
- if (tccp->csty & J2K_CCP_CSTY_PRT) {
- fprintf(stderr, " prcw=");
- for (resno = 0; resno < tccp->numresolutions; resno++) {
- fprintf(stderr, "%d ", tccp->prcw[resno]);
- }
- fprintf(stderr, "\n");
- fprintf(stderr, " prch=");
- for (resno = 0; resno < tccp->numresolutions; resno++) {
- fprintf(stderr, "%d ", tccp->prch[resno]);
- }
- fprintf(stderr, "\n");
- }
- fprintf(stderr, " }\n");
+ fprintf(stderr, " prch=");
+ for (resno = 0; resno < tccp->numresolutions; resno++) {
+ fprintf(stderr, "%d ", tccp->prch[resno]);
}
- fprintf(stderr, " }\n");
+ fprintf(stderr, "\n");
+ }
+ fprintf(stderr, " }\n");
}
- fprintf(stderr, "}\n");
+ fprintf(stderr, " }\n");
+ }
+ fprintf(stderr, "}\n");
}
void j2k_write_soc()
{
- cio_write(J2K_MS_SOC, 2);
+ cio_write(J2K_MS_SOC, 2);
}
void j2k_read_soc()
{
- j2k_state = J2K_STATE_MHSIZ;
+ j2k_state = J2K_STATE_MHSIZ;
}
void j2k_write_siz()
{
- int i;
- int lenp, len;
-
- cio_write(J2K_MS_SIZ, 2); /* SIZ */
- lenp = cio_tell();
- cio_skip(2);
- cio_write(0, 2); /* Rsiz (capabilities) */
- cio_write(j2k_img->x1, 4); /* Xsiz */
- cio_write(j2k_img->y1, 4); /* Ysiz */
- cio_write(j2k_img->x0, 4); /* X0siz */
- cio_write(j2k_img->y0, 4); /* Y0siz */
- cio_write(j2k_cp->tdx, 4); /* XTsiz */
- cio_write(j2k_cp->tdy, 4); /* YTsiz */
- cio_write(j2k_cp->tx0, 4); /* XT0siz */
- cio_write(j2k_cp->ty0, 4); /* YT0siz */
- cio_write(j2k_img->numcomps, 2); /* Csiz */
- for (i = 0; i < j2k_img->numcomps; i++) {
- cio_write(j2k_img->comps[i].prec - 1 + (j2k_img->comps[i].sgnd << 7), 1); /* Ssiz_i */
- cio_write(j2k_img->comps[i].dx, 1); /* XRsiz_i */
- cio_write(j2k_img->comps[i].dy, 1); /* YRsiz_i */
- }
- len = cio_tell() - lenp;
- cio_seek(lenp);
- cio_write(len, 2); /* Lsiz */
- cio_seek(lenp + len);
+ int i;
+ int lenp, len;
+
+ cio_write(J2K_MS_SIZ, 2); /* SIZ */
+ lenp = cio_tell();
+ cio_skip(2);
+ cio_write(0, 2); /* Rsiz (capabilities) */
+ cio_write(j2k_img->x1, 4); /* Xsiz */
+ cio_write(j2k_img->y1, 4); /* Ysiz */
+ cio_write(j2k_img->x0, 4); /* X0siz */
+ cio_write(j2k_img->y0, 4); /* Y0siz */
+ cio_write(j2k_cp->tdx, 4); /* XTsiz */
+ cio_write(j2k_cp->tdy, 4); /* YTsiz */
+ cio_write(j2k_cp->tx0, 4); /* XT0siz */
+ cio_write(j2k_cp->ty0, 4); /* YT0siz */
+ cio_write(j2k_img->numcomps, 2); /* Csiz */
+ for (i = 0; i < j2k_img->numcomps; i++) {
+ cio_write(j2k_img->comps[i].prec - 1 + (j2k_img->comps[i].sgnd << 7), 1); /* Ssiz_i */
+ cio_write(j2k_img->comps[i].dx, 1); /* XRsiz_i */
+ cio_write(j2k_img->comps[i].dy, 1); /* YRsiz_i */
+ }
+ len = cio_tell() - lenp;
+ cio_seek(lenp);
+ cio_write(len, 2); /* Lsiz */
+ cio_seek(lenp + len);
}
void j2k_read_siz()
{
- int len, i;
-
- len = cio_read(2); /* Lsiz */
- cio_read(2); /* Rsiz (capabilities) */
- j2k_img->x1 = cio_read(4); /* Xsiz */
- j2k_img->y1 = cio_read(4); /* Ysiz */
- j2k_img->x0 = cio_read(4); /* X0siz */
- j2k_img->y0 = cio_read(4); /* Y0siz */
- j2k_cp->tdx = cio_read(4); /* XTsiz */
- j2k_cp->tdy = cio_read(4); /* YTsiz */
- j2k_cp->tx0 = cio_read(4); /* XT0siz */
- j2k_cp->ty0 = cio_read(4); /* YT0siz */
-
- j2k_img->numcomps = cio_read(2); /* Csiz */
- j2k_img->comps = (j2k_comp_t *) malloc(j2k_img->numcomps * sizeof(j2k_comp_t));
- for (i = 0; i < j2k_img->numcomps; i++) {
- int tmp, w, h;
- tmp = cio_read(1); /* Ssiz_i */
- j2k_img->comps[i].prec = (tmp & 0x7f) + 1;
- j2k_img->comps[i].sgnd = tmp >> 7;
- j2k_img->comps[i].dx = cio_read(1); /* XRsiz_i */
- j2k_img->comps[i].dy = cio_read(1); /* YRsiz_i */
- w = int_ceildiv(j2k_img->x1 - j2k_img->x0, j2k_img->comps[i].dx);
- h = int_ceildiv(j2k_img->y1 - j2k_img->y0, j2k_img->comps[i].dy);
- j2k_img->comps[i].resno_decoded = 0; /* number of resolution decoded */
- j2k_img->comps[i].factor = 0; /* reducing factor by component */
- }
+ int len, i;
+
+ len = cio_read(2); /* Lsiz */
+ cio_read(2); /* Rsiz (capabilities) */
+ j2k_img->x1 = cio_read(4); /* Xsiz */
+ j2k_img->y1 = cio_read(4); /* Ysiz */
+ j2k_img->x0 = cio_read(4); /* X0siz */
+ j2k_img->y0 = cio_read(4); /* Y0siz */
+ j2k_cp->tdx = cio_read(4); /* XTsiz */
+ j2k_cp->tdy = cio_read(4); /* YTsiz */
+ j2k_cp->tx0 = cio_read(4); /* XT0siz */
+ j2k_cp->ty0 = cio_read(4); /* YT0siz */
+
+ j2k_img->numcomps = cio_read(2); /* Csiz */
+ j2k_img->comps =
+ (j2k_comp_t *) malloc(j2k_img->numcomps * sizeof(j2k_comp_t));
+ for (i = 0; i < j2k_img->numcomps; i++) {
+ int tmp, w, h;
+ tmp = cio_read(1); /* Ssiz_i */
+ j2k_img->comps[i].prec = (tmp & 0x7f) + 1;
+ j2k_img->comps[i].sgnd = tmp >> 7;
+ j2k_img->comps[i].dx = cio_read(1); /* XRsiz_i */
+ j2k_img->comps[i].dy = cio_read(1); /* YRsiz_i */
+ w = int_ceildiv(j2k_img->x1 - j2k_img->x0, j2k_img->comps[i].dx);
+ h = int_ceildiv(j2k_img->y1 - j2k_img->y0, j2k_img->comps[i].dy);
+ j2k_img->comps[i].resno_decoded = 0; /* number of resolution decoded */
+ j2k_img->comps[i].factor = 0; /* reducing factor by component */
+ }
+
+ j2k_cp->tw = int_ceildiv(j2k_img->x1 - j2k_cp->tx0, j2k_cp->tdx);
+ j2k_cp->th = int_ceildiv(j2k_img->y1 - j2k_cp->ty0, j2k_cp->tdy);
+ j2k_cp->tcps =
+ (j2k_tcp_t *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(j2k_tcp_t));
+ j2k_cp->tileno = (int *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(int));
+ j2k_cp->tileno_size = 0;
+
+ for (i = 0; i < j2k_cp->tw * j2k_cp->th; i++) {
+ j2k_cp->tcps[i].POC = 0;
+ j2k_cp->tcps[i].numpocs = 0;
+ j2k_cp->tcps[i].first = 1;
+ }
+
+ /* Initialization for PPM marker */
+ j2k_cp->ppm = 0;
+ j2k_cp->ppm_data = NULL;
+ j2k_cp->ppm_previous = 0;
+ j2k_cp->ppm_store = 0;
+
+ j2k_default_tcp.tccps =
+ (j2k_tccp_t *) calloc(sizeof(j2k_tccp_t), j2k_img->numcomps);
+ for (i = 0; i < j2k_cp->tw * j2k_cp->th; i++) {
+ j2k_cp->tcps[i].tccps =
+ (j2k_tccp_t *) calloc(sizeof(j2k_tccp_t), j2k_img->numcomps);
+ }
+ j2k_tile_data =
+ (unsigned char **) calloc(j2k_cp->tw * j2k_cp->th, sizeof(char *));
+ j2k_tile_len = (int *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(int));
+ j2k_state = J2K_STATE_MH;
- j2k_cp->tw = int_ceildiv(j2k_img->x1 - j2k_cp->tx0, j2k_cp->tdx);
- j2k_cp->th = int_ceildiv(j2k_img->y1 - j2k_cp->ty0, j2k_cp->tdy);
- j2k_cp->tcps = (j2k_tcp_t *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(j2k_tcp_t));
- j2k_cp->tileno = (int*)calloc(j2k_cp->tw * j2k_cp->th, sizeof(int));
- j2k_cp->tileno_size = 0;
-
- for (i=0; i<j2k_cp->tw * j2k_cp->th; i++)
- {
- j2k_cp->tcps[i].POC=0;
- j2k_cp->tcps[i].numpocs=0;
- j2k_cp->tcps[i].first=1;
- }
-
- /* Initialization for PPM marker */
- j2k_cp->ppm = 0;
- j2k_cp->ppm_data = NULL;
- j2k_cp->ppm_previous = 0;
- j2k_cp->ppm_store = 0;
-
- j2k_default_tcp.tccps = (j2k_tccp_t *) calloc(sizeof(j2k_tccp_t), j2k_img->numcomps);
- for (i = 0; i < j2k_cp->tw * j2k_cp->th; i++) {
- j2k_cp->tcps[i].tccps = (j2k_tccp_t *) calloc(sizeof(j2k_tccp_t), j2k_img->numcomps);
- }
- j2k_tile_data = (unsigned char **) calloc(j2k_cp->tw * j2k_cp->th, sizeof(char *));
- j2k_tile_len = (int *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(int));
- j2k_state = J2K_STATE_MH;
-
}
void j2k_write_com()
{
- unsigned int i;
- int lenp, len;
- char str[256];
- sprintf(str, "%s", j2k_cp->comment);
-
- cio_write(J2K_MS_COM, 2);
- lenp = cio_tell();
- cio_skip(2);
- cio_write(0, 2);
- for (i = 0; i < strlen(str); i++) {
- cio_write(str[i], 1);
- }
- len = cio_tell() - lenp;
- cio_seek(lenp);
- cio_write(len, 2);
- cio_seek(lenp + len);
+ unsigned int i;
+ int lenp, len;
+ char str[256];
+ sprintf(str, "%s", j2k_cp->comment);
+
+ cio_write(J2K_MS_COM, 2);
+ lenp = cio_tell();
+ cio_skip(2);
+ cio_write(0, 2);
+ for (i = 0; i < strlen(str); i++) {
+ cio_write(str[i], 1);
+ }
+ len = cio_tell() - lenp;
+ cio_seek(lenp);
+ cio_write(len, 2);
+ cio_seek(lenp + len);
}
void j2k_read_com()
{
- int len;
+ int len;
+
+ len = cio_read(2);
+ cio_skip(len - 2);
- len = cio_read(2);
- cio_skip(len - 2);
-
}
void j2k_write_cox(int compno)
{
- int i;
- j2k_tcp_t *tcp;
- j2k_tccp_t *tccp;
- tcp = &j2k_cp->tcps[j2k_curtileno];
- tccp = &tcp->tccps[compno];
-
- cio_write(tccp->numresolutions - 1, 1); /* SPcox (D) */
- cio_write(tccp->cblkw - 2, 1); /* SPcox (E) */
- cio_write(tccp->cblkh - 2, 1); /* SPcox (F) */
- cio_write(tccp->cblksty, 1); /* SPcox (G) */
- cio_write(tccp->qmfbid, 1); /* SPcox (H) */
-
- if (tccp->csty & J2K_CCP_CSTY_PRT) {
- for (i = 0; i < tccp->numresolutions; i++) {
- cio_write(tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
- }
+ int i;
+ j2k_tcp_t *tcp;
+ j2k_tccp_t *tccp;
+ tcp = &j2k_cp->tcps[j2k_curtileno];
+ tccp = &tcp->tccps[compno];
+
+ cio_write(tccp->numresolutions - 1, 1); /* SPcox (D) */
+ cio_write(tccp->cblkw - 2, 1); /* SPcox (E) */
+ cio_write(tccp->cblkh - 2, 1); /* SPcox (F) */
+ cio_write(tccp->cblksty, 1); /* SPcox (G) */
+ cio_write(tccp->qmfbid, 1); /* SPcox (H) */
+
+ if (tccp->csty & J2K_CCP_CSTY_PRT) {
+ for (i = 0; i < tccp->numresolutions; i++) {
+ cio_write(tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
}
+ }
}
void j2k_read_cox(int compno)
{
- int i;
- j2k_tcp_t *tcp;
- j2k_tccp_t *tccp;
- tcp = j2k_state == J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
- tccp = &tcp->tccps[compno];
- tccp->numresolutions = cio_read(1) + 1; /* SPcox (D) */
- tccp->cblkw = cio_read(1) + 2; /* SPcox (E) */
- tccp->cblkh = cio_read(1) + 2; /* SPcox (F) */
- tccp->cblksty = cio_read(1); /* SPcox (G) */
- tccp->qmfbid = cio_read(1); /* SPcox (H) */
- if (tccp->csty & J2K_CP_CSTY_PRT) {
- for (i = 0; i < tccp->numresolutions; i++) {
- int tmp = cio_read(1); /* SPcox (I_i) */
- tccp->prcw[i] = tmp & 0xf;
- tccp->prch[i] = tmp >> 4;
- }
+ int i;
+ j2k_tcp_t *tcp;
+ j2k_tccp_t *tccp;
+ tcp =
+ j2k_state ==
+ J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
+ tccp = &tcp->tccps[compno];
+ tccp->numresolutions = cio_read(1) + 1; /* SPcox (D) */
+ tccp->cblkw = cio_read(1) + 2; /* SPcox (E) */
+ tccp->cblkh = cio_read(1) + 2; /* SPcox (F) */
+ tccp->cblksty = cio_read(1); /* SPcox (G) */
+ tccp->qmfbid = cio_read(1); /* SPcox (H) */
+ if (tccp->csty & J2K_CP_CSTY_PRT) {
+ for (i = 0; i < tccp->numresolutions; i++) {
+ int tmp = cio_read(1); /* SPcox (I_i) */
+ tccp->prcw[i] = tmp & 0xf;
+ tccp->prch[i] = tmp >> 4;
}
+ }
}
void j2k_write_cod()
{
- j2k_tcp_t *tcp;
- int lenp, len;
+ j2k_tcp_t *tcp;
+ int lenp, len;
- cio_write(J2K_MS_COD, 2); /* COD */
+ cio_write(J2K_MS_COD, 2); /* COD */
- lenp = cio_tell();
- cio_skip(2);
+ lenp = cio_tell();
+ cio_skip(2);
- tcp = &j2k_cp->tcps[j2k_curtileno];
- cio_write(tcp->csty, 1); /* Scod */
- cio_write(tcp->prg, 1); /* SGcod (A) */
- cio_write(tcp->numlayers, 2); /* SGcod (B) */
- cio_write(tcp->mct, 1); /* SGcod (C) */
+ tcp = &j2k_cp->tcps[j2k_curtileno];
+ cio_write(tcp->csty, 1); /* Scod */
+ cio_write(tcp->prg, 1); /* SGcod (A) */
+ cio_write(tcp->numlayers, 2); /* SGcod (B) */
+ cio_write(tcp->mct, 1); /* SGcod (C) */
- j2k_write_cox(0);
- len = cio_tell() - lenp;
- cio_seek(lenp);
- cio_write(len, 2); /* Lcod */
- cio_seek(lenp + len);
+ j2k_write_cox(0);
+ len = cio_tell() - lenp;
+ cio_seek(lenp);
+ cio_write(len, 2); /* Lcod */
+ cio_seek(lenp + len);
}
void j2k_read_cod()
{
- int len, i, pos;
- j2k_tcp_t *tcp;
-
- tcp = j2k_state == J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
- len = cio_read(2); /* Lcod */
- tcp->csty = cio_read(1); /* Scod */
- tcp->prg = cio_read(1); /* SGcod (A) */
- tcp->numlayers = cio_read(2); /* SGcod (B) */
- tcp->mct = cio_read(1); /* SGcod (C) */
+ int len, i, pos;
+ j2k_tcp_t *tcp;
- pos = cio_tell();
- for (i = 0; i < j2k_img->numcomps; i++) {
- tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
- cio_seek(pos);
- j2k_read_cox(i);
- }
+ tcp =
+ j2k_state ==
+ J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
+ len = cio_read(2); /* Lcod */
+ tcp->csty = cio_read(1); /* Scod */
+ tcp->prg = cio_read(1); /* SGcod (A) */
+ tcp->numlayers = cio_read(2); /* SGcod (B) */
+ tcp->mct = cio_read(1); /* SGcod (C) */
+
+ pos = cio_tell();
+ for (i = 0; i < j2k_img->numcomps; i++) {
+ tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
+ cio_seek(pos);
+ j2k_read_cox(i);
+ }
}
void j2k_write_coc(int compno)
{
- j2k_tcp_t *tcp;
- int lenp, len;
-
- cio_write(J2K_MS_COC, 2); /* COC */
- lenp = cio_tell();
- cio_skip(2);
- tcp = &j2k_cp->tcps[j2k_curtileno];
- cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Ccoc */
- cio_write(tcp->tccps[compno].csty, 1); /* Scoc */
- j2k_write_cox(compno);
- len = cio_tell() - lenp;
- cio_seek(lenp);
- cio_write(len, 2); /* Lcoc */
- cio_seek(lenp + len);
+ j2k_tcp_t *tcp;
+ int lenp, len;
+
+ cio_write(J2K_MS_COC, 2); /* COC */
+ lenp = cio_tell();
+ cio_skip(2);
+ tcp = &j2k_cp->tcps[j2k_curtileno];
+ cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Ccoc */
+ cio_write(tcp->tccps[compno].csty, 1); /* Scoc */
+ j2k_write_cox(compno);
+ len = cio_tell() - lenp;
+ cio_seek(lenp);
+ cio_write(len, 2); /* Lcoc */
+ cio_seek(lenp + len);
}
void j2k_read_coc()
{
- int len, compno;
- j2k_tcp_t *tcp;
-
- tcp = j2k_state == J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
- len = cio_read(2); /* Lcoc */
- compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Ccoc */
- tcp->tccps[compno].csty = cio_read(1); /* Scoc */
- j2k_read_cox(compno);
+ int len, compno;
+ j2k_tcp_t *tcp;
+
+ tcp =
+ j2k_state ==
+ J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
+ len = cio_read(2); /* Lcoc */
+ compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Ccoc */
+ tcp->tccps[compno].csty = cio_read(1); /* Scoc */
+ j2k_read_cox(compno);
}
void j2k_write_qcx(int compno)
{
- j2k_tcp_t *tcp;
- j2k_tccp_t *tccp;
- int bandno, numbands;
- int expn, mant;
+ j2k_tcp_t *tcp;
+ j2k_tccp_t *tccp;
+ int bandno, numbands;
+ int expn, mant;
- tcp = &j2k_cp->tcps[j2k_curtileno];
- tccp = &tcp->tccps[compno];
+ tcp = &j2k_cp->tcps[j2k_curtileno];
+ tccp = &tcp->tccps[compno];
- cio_write(tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
- numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
+ cio_write(tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
+ numbands =
+ tccp->qntsty ==
+ J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
- for (bandno = 0; bandno < numbands; bandno++) {
- expn = tccp->stepsizes[bandno].expn;
- mant = tccp->stepsizes[bandno].mant;
+ for (bandno = 0; bandno < numbands; bandno++) {
+ expn = tccp->stepsizes[bandno].expn;
+ mant = tccp->stepsizes[bandno].mant;
- if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
- cio_write(expn << 3, 1); /* SPqcx_i */
- } else {
- cio_write((expn << 11) + mant, 2); /* SPqcx_i */
- }
+ if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
+ cio_write(expn << 3, 1); /* SPqcx_i */
+ } else {
+ cio_write((expn << 11) + mant, 2); /* SPqcx_i */
}
+ }
}
void j2k_read_qcx(int compno, int len)
{
- int tmp;
- j2k_tcp_t *tcp;
- j2k_tccp_t *tccp;
- int bandno, numbands;
-
- tcp = j2k_state == J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
- tccp = &tcp->tccps[compno];
- tmp = cio_read(1); /* Sqcx */
- tccp->qntsty = tmp & 0x1f;
- tccp->numgbits = tmp >> 5;
- numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT ? len - 1 : (len - 1) / 2);
- for (bandno = 0; bandno < numbands; bandno++) {
- int expn, mant;
- if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { /* WHY STEPSIZES WHEN NOQNT ? */
- expn = cio_read(1) >> 3; /* SPqcx_i */
- mant = 0;
- } else {
- tmp = cio_read(2); /* SPqcx_i */
- expn = tmp >> 11;
- mant = tmp & 0x7ff;
- }
- tccp->stepsizes[bandno].expn = expn;
- tccp->stepsizes[bandno].mant = mant;
+ int tmp;
+ j2k_tcp_t *tcp;
+ j2k_tccp_t *tccp;
+ int bandno, numbands;
+
+ tcp =
+ j2k_state ==
+ J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
+ tccp = &tcp->tccps[compno];
+ tmp = cio_read(1); /* Sqcx */
+ tccp->qntsty = tmp & 0x1f;
+ tccp->numgbits = tmp >> 5;
+ numbands =
+ tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : (tccp->qntsty ==
+ J2K_CCP_QNTSTY_NOQNT ?
+ len - 1 : (len -
+ 1) / 2);
+ for (bandno = 0; bandno < numbands; bandno++) {
+ int expn, mant;
+ if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { /* WHY STEPSIZES WHEN NOQNT ? */
+ expn = cio_read(1) >> 3; /* SPqcx_i */
+ mant = 0;
+ } else {
+ tmp = cio_read(2); /* SPqcx_i */
+ expn = tmp >> 11;
+ mant = tmp & 0x7ff;
}
+ tccp->stepsizes[bandno].expn = expn;
+ tccp->stepsizes[bandno].mant = mant;
+ }
}
void j2k_write_qcd()
{
- int lenp, len;
-
- cio_write(J2K_MS_QCD, 2); /* QCD */
- lenp = cio_tell();
- cio_skip(2);
- j2k_write_qcx(0);
- len = cio_tell() - lenp;
- cio_seek(lenp);
- cio_write(len, 2); /* Lqcd */
- cio_seek(lenp + len);
+ int lenp, len;
+
+ cio_write(J2K_MS_QCD, 2); /* QCD */
+ lenp = cio_tell();
+ cio_skip(2);
+ j2k_write_qcx(0);
+ len = cio_tell() - lenp;
+ cio_seek(lenp);
+ cio_write(len, 2); /* Lqcd */
+ cio_seek(lenp + len);
}
void j2k_read_qcd()
{
- int len, i, pos;
+ int len, i, pos;
- len = cio_read(2); /* Lqcd */
- pos = cio_tell();
- for (i = 0; i < j2k_img->numcomps; i++) {
- cio_seek(pos);
- j2k_read_qcx(i, len - 2);
- }
+ len = cio_read(2); /* Lqcd */
+ pos = cio_tell();
+ for (i = 0; i < j2k_img->numcomps; i++) {
+ cio_seek(pos);
+ j2k_read_qcx(i, len - 2);
+ }
}
void j2k_write_qcc(int compno)
{
- int lenp, len;
-
- cio_write(J2K_MS_QCC, 2); /* QCC */
- lenp = cio_tell();
- cio_skip(2);
- cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Cqcc */
- j2k_write_qcx(compno);
- len = cio_tell() - lenp;
- cio_seek(lenp);
- cio_write(len, 2); /* Lqcc */
- cio_seek(lenp + len);
+ int lenp, len;
+
+ cio_write(J2K_MS_QCC, 2); /* QCC */
+ lenp = cio_tell();
+ cio_skip(2);
+ cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Cqcc */
+ j2k_write_qcx(compno);
+ len = cio_tell() - lenp;
+ cio_seek(lenp);
+ cio_write(len, 2); /* Lqcc */
+ cio_seek(lenp + len);
}
void j2k_read_qcc()
{
- int len, compno;
+ int len, compno;
- len = cio_read(2); /* Lqcc */
- compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Cqcc */
- j2k_read_qcx(compno, len - 2 - (j2k_img->numcomps <= 256 ? 1 : 2));
+ len = cio_read(2); /* Lqcc */
+ compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Cqcc */
+ j2k_read_qcx(compno, len - 2 - (j2k_img->numcomps <= 256 ? 1 : 2));
}
-void j2k_write_poc() {
- int len, numpchgs, i;
- j2k_tcp_t *tcp;
- j2k_tccp_t *tccp;
-
- tcp = &j2k_cp->tcps[j2k_curtileno];
- tccp = &tcp->tccps[0];
- numpchgs = tcp->numpocs;
- cio_write(J2K_MS_POC, 2); /* POC */
- len = 2 + (5 + 2*(j2k_img->numcomps <= 256 ? 1 : 2))*numpchgs;
- cio_write(len, 2); /* Lpoc */
- for (i = 0; i < numpchgs; i++)
- {
- // MODIF
- j2k_poc_t *poc;
- poc = &tcp->pocs[i];
- cio_write(poc->resno0, 1); /* RSpoc_i */
- cio_write(poc->compno0, (j2k_img->numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
- cio_write(poc->layno1, 2); /* LYEpoc_i */
- poc->layno1 = int_min(poc->layno1, tcp->numlayers);
- cio_write(poc->resno1, 1); /* REpoc_i */
- poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
- cio_write(poc->compno1, (j2k_img->numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
- poc->compno1 = int_min(poc->compno1, j2k_img->numcomps);
- cio_write(poc->prg, 1); /* Ppoc_i */
+void j2k_write_poc()
+{
+ int len, numpchgs, i;
+ j2k_tcp_t *tcp;
+ j2k_tccp_t *tccp;
+
+ tcp = &j2k_cp->tcps[j2k_curtileno];
+ tccp = &tcp->tccps[0];
+ numpchgs = tcp->numpocs;
+ cio_write(J2K_MS_POC, 2); /* POC */
+ len = 2 + (5 + 2 * (j2k_img->numcomps <= 256 ? 1 : 2)) * numpchgs;
+ cio_write(len, 2); /* Lpoc */
+ for (i = 0; i < numpchgs; i++) {
+ // MODIF
+ j2k_poc_t *poc;
+ poc = &tcp->pocs[i];
+ cio_write(poc->resno0, 1); /* RSpoc_i */
+ cio_write(poc->compno0, (j2k_img->numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
+ cio_write(poc->layno1, 2); /* LYEpoc_i */
+ poc->layno1 = int_min(poc->layno1, tcp->numlayers);
+ cio_write(poc->resno1, 1); /* REpoc_i */
+ poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
+ cio_write(poc->compno1, (j2k_img->numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
+ poc->compno1 = int_min(poc->compno1, j2k_img->numcomps);
+ cio_write(poc->prg, 1); /* Ppoc_i */
}
}
-void j2k_read_poc() {
+void j2k_read_poc()
+{
int len, numpchgs, i, old_poc;
j2k_tcp_t *tcp;
j2k_tccp_t *tccp;
- tcp = j2k_state==J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
+ tcp =
+ j2k_state ==
+ J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
- old_poc = tcp->POC ? tcp->numpocs+1 : 0;
+ old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
tcp->POC = 1;
tccp = &tcp->tccps[0];
- len = cio_read(2); /* Lpoc */
- numpchgs = (len-2)/(5+2*(j2k_img->numcomps <= 256 ? 1 : 2));
+ len = cio_read(2); /* Lpoc */
+ numpchgs = (len - 2) / (5 + 2 * (j2k_img->numcomps <= 256 ? 1 : 2));
- for (i = old_poc; i < numpchgs+old_poc; i++)
- {
+ for (i = old_poc; i < numpchgs + old_poc; i++) {
j2k_poc_t *poc;
poc = &tcp->pocs[i];
- poc->resno0 = cio_read(1); /* RSpoc_i */
- poc->compno0 = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* CSpoc_i */
- poc->layno1 = int_min(cio_read(2), tcp->numlayers); /* LYEpoc_i */
- poc->resno1 = int_min(cio_read(1), tccp->numresolutions); /* REpoc_i */
- poc->compno1 = int_min(cio_read(j2k_img->numcomps <= 256 ? 1 : 2), j2k_img->numcomps); /* CEpoc_i */
- poc->prg = cio_read(1); /* Ppoc_i */
- }
-
- tcp->numpocs = numpchgs+old_poc-1;
+ poc->resno0 = cio_read(1); /* RSpoc_i */
+ poc->compno0 = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* CSpoc_i */
+ poc->layno1 = int_min(cio_read(2), tcp->numlayers); /* LYEpoc_i */
+ poc->resno1 = int_min(cio_read(1), tccp->numresolutions); /* REpoc_i */
+ poc->compno1 = int_min(cio_read(j2k_img->numcomps <= 256 ? 1 : 2), j2k_img->numcomps); /* CEpoc_i */
+ poc->prg = cio_read(1); /* Ppoc_i */
+ }
+
+ tcp->numpocs = numpchgs + old_poc - 1;
}
void j2k_read_crg()
{
- int len, i, Xcrg_i, Ycrg_i;
-
- len = cio_read(2); /* Lcrg */
- for (i=0;i<j2k_img->numcomps;i++)
- {
- Xcrg_i = cio_read(2); /* Xcrg_i */
- Ycrg_i = cio_read(2); /* Ycrg_i */
- }
+ int len, i, Xcrg_i, Ycrg_i;
+
+ len = cio_read(2); /* Lcrg */
+ for (i = 0; i < j2k_img->numcomps; i++) {
+ Xcrg_i = cio_read(2); /* Xcrg_i */
+ Ycrg_i = cio_read(2); /* Ycrg_i */
+ }
}
void j2k_read_tlm()
{
- int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
- long int Ttlm_i, Ptlm_i;
-
- len = cio_read(2); /* Ltlm */
- Ztlm = cio_read(1); /* Ztlm */
- Stlm = cio_read(1); /* Stlm */
- ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
- SP = (Stlm >> 6) & 0x01;
- tile_tlm = (len-4)/((SP+1)*2+ST);
- for (i=0;i<tile_tlm;i++)
- {
- Ttlm_i = cio_read(ST); /* Ttlm_i */
- Ptlm_i = cio_read(SP?4:2); /* Ptlm_i */
- }
+ int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
+ long int Ttlm_i, Ptlm_i;
+
+ len = cio_read(2); /* Ltlm */
+ Ztlm = cio_read(1); /* Ztlm */
+ Stlm = cio_read(1); /* Stlm */
+ ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
+ SP = (Stlm >> 6) & 0x01;
+ tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
+ for (i = 0; i < tile_tlm; i++) {
+ Ttlm_i = cio_read(ST); /* Ttlm_i */
+ Ptlm_i = cio_read(SP ? 4 : 2); /* Ptlm_i */
+ }
}
void j2k_read_plm()
{
- int len, i, Zplm, Nplm, add, packet_len = 0;
-
- len = cio_read(2); /* Lplm */
- Zplm = cio_read(1); /* Zplm */
- len-=3;
- while (len>0)
- {
- Nplm = cio_read(4); /* Nplm */
- len-=4;
- for (i=Nplm ; i>0 ; i--)
- {
- add=cio_read(1);
- len--;
- packet_len=(packet_len<<7) + add; /* Iplm_ij */
- if ((add & 0x80)==0)
- {
- /* New packet */
- packet_len=0;
- }
- if (len<=0) break;
- }
- }
+ int len, i, Zplm, Nplm, add, packet_len = 0;
+
+ len = cio_read(2); /* Lplm */
+ Zplm = cio_read(1); /* Zplm */
+ len -= 3;
+ while (len > 0) {
+ Nplm = cio_read(4); /* Nplm */
+ len -= 4;
+ for (i = Nplm; i > 0; i--) {
+ add = cio_read(1);
+ len--;
+ packet_len = (packet_len << 7) + add; /* Iplm_ij */
+ if ((add & 0x80) == 0) {
+ /* New packet */
+ packet_len = 0;
+ }
+ if (len <= 0)
+ break;
+ }
+ }
}
void j2k_read_plt()
{
- int len, i, Zplt, packet_len=0, add;
-
- len = cio_read(2); /* Lplt */
- Zplt=cio_read(1); /* Zplt */
- for (i=len-3;i>0;i--)
- {
- add=cio_read(1);
- packet_len=(packet_len<<7) + add; /* Iplt_i */
- if ((add & 0x80)==0)
- {
- /* New packet */
- packet_len=0;
- }
- }
+ int len, i, Zplt, packet_len = 0, add;
+
+ len = cio_read(2); /* Lplt */
+ Zplt = cio_read(1); /* Zplt */
+ for (i = len - 3; i > 0; i--) {
+ add = cio_read(1);
+ packet_len = (packet_len << 7) + add; /* Iplt_i */
+ if ((add & 0x80) == 0) {
+ /* New packet */
+ packet_len = 0;
+ }
+ }
}
void j2k_read_ppm()
{
- int len, Z_ppm, i, j;
- int N_ppm;
-
- len = cio_read(2);
- j2k_cp->ppm=1;
-
- Z_ppm = cio_read(1); /* Z_ppm */
- len-=3;
- while (len > 0)
- {
- if (j2k_cp->ppm_previous==0)
- {
- N_ppm = cio_read(4); /* N_ppm */
- len-=4;
- } else
- {
+ int len, Z_ppm, i, j;
+ int N_ppm;
+
+ len = cio_read(2);
+ j2k_cp->ppm = 1;
+
+ Z_ppm = cio_read(1); /* Z_ppm */
+ len -= 3;
+ while (len > 0) {
+ if (j2k_cp->ppm_previous == 0) {
+ N_ppm = cio_read(4); /* N_ppm */
+ len -= 4;
+ } else {
N_ppm = j2k_cp->ppm_previous;
- }
-
- j=j2k_cp->ppm_store;
- if (Z_ppm==0) /* First PPM marker */
- j2k_cp->ppm_data=(unsigned char*)calloc(N_ppm,sizeof(unsigned char));
- else /* NON-first PPM marker */
- j2k_cp->ppm_data=(unsigned char*)realloc(j2k_cp->ppm_data, (N_ppm+j2k_cp->ppm_store)*sizeof(unsigned char));
-
- for (i=N_ppm ; i>0 ; i--) /* Read packet header */
- {
- j2k_cp->ppm_data[j]=cio_read(1);
- j++;
- len--;
- if (len==0) break; /* Case of non-finished packet header in present marker but finished in next one */
}
-
- j2k_cp->ppm_previous=i-1;
- j2k_cp->ppm_store=j;
+
+ j = j2k_cp->ppm_store;
+ if (Z_ppm == 0) /* First PPM marker */
+ j2k_cp->ppm_data =
+ (unsigned char *) calloc(N_ppm, sizeof(unsigned char));
+ else /* NON-first PPM marker */
+ j2k_cp->ppm_data =
+ (unsigned char *) realloc(j2k_cp->ppm_data,
+ (N_ppm +
+ j2k_cp->ppm_store) *
+ sizeof(unsigned char));
+
+ for (i = N_ppm; i > 0; i--) { /* Read packet header */
+ j2k_cp->ppm_data[j] = cio_read(1);
+ j++;
+ len--;
+ if (len == 0)
+ break; /* Case of non-finished packet header in present marker but finished in next one */
+ }
+
+ j2k_cp->ppm_previous = i - 1;
+ j2k_cp->ppm_store = j;
}
}
void j2k_read_ppt()
{
- int len, Z_ppt, i, j=0;
- j2k_tcp_t *tcp;
-
- len = cio_read(2);
- Z_ppt = cio_read(1);
- tcp=&j2k_cp->tcps[j2k_curtileno];
- tcp->ppt=1;
- if (Z_ppt==0) /* First PPT marker */
- {
- tcp->ppt_data=(unsigned char*)calloc(len-3,sizeof(unsigned char));
- tcp->ppt_store=0;
- }
- else /* NON-first PPT marker */
- tcp->ppt_data=(unsigned char*)realloc(tcp->ppt_data, (len-3+tcp->ppt_store)*sizeof(unsigned char));
-
- j=tcp->ppt_store;
- for (i=len-3 ; i>0 ; i--)
- {
- tcp->ppt_data[j]=cio_read(1);
- j++;
- }
- tcp->ppt_store=j;
+ int len, Z_ppt, i, j = 0;
+ j2k_tcp_t *tcp;
+
+ len = cio_read(2);
+ Z_ppt = cio_read(1);
+ tcp = &j2k_cp->tcps[j2k_curtileno];
+ tcp->ppt = 1;
+ if (Z_ppt == 0) { /* First PPT marker */
+ tcp->ppt_data =
+ (unsigned char *) calloc(len - 3, sizeof(unsigned char));
+ tcp->ppt_store = 0;
+ } else /* NON-first PPT marker */
+ tcp->ppt_data =
+ (unsigned char *) realloc(tcp->ppt_data,
+ (len - 3 +
+ tcp->ppt_store) *
+ sizeof(unsigned char));
+
+ j = tcp->ppt_store;
+ for (i = len - 3; i > 0; i--) {
+ tcp->ppt_data[j] = cio_read(1);
+ j++;
+ }
+ tcp->ppt_store = j;
}
void j2k_write_sot()
{
- int lenp, len;
-
- j2k_sot_start = cio_tell();
- cio_write(J2K_MS_SOT, 2); /* SOT */
- lenp = cio_tell();
- cio_skip(2); /* Lsot (further) */
- cio_write(j2k_curtileno, 2); /* Isot */
- cio_skip(4); /* Psot (further in j2k_write_sod) */
- cio_write(0, 1); /* TPsot */
- cio_write(1, 1); /* TNsot */
- len = cio_tell() - lenp;
- cio_seek(lenp);
- cio_write(len, 2); /* Lsot */
- cio_seek(lenp + len);
+ int lenp, len;
+
+ j2k_sot_start = cio_tell();
+ cio_write(J2K_MS_SOT, 2); /* SOT */
+ lenp = cio_tell();
+ cio_skip(2); /* Lsot (further) */
+ cio_write(j2k_curtileno, 2); /* Isot */
+ cio_skip(4); /* Psot (further in j2k_write_sod) */
+ cio_write(0, 1); /* TPsot */
+ cio_write(1, 1); /* TNsot */
+ len = cio_tell() - lenp;
+ cio_seek(lenp);
+ cio_write(len, 2); /* Lsot */
+ cio_seek(lenp + len);
}
void j2k_read_sot()
{
- int len, tileno, totlen, partno, numparts, i;
- j2k_tcp_t *tcp;
- j2k_tccp_t *tmp;
- char status = 0;
-
- len = cio_read(2);
- tileno = cio_read(2);
-
- if (j2k_cp->tileno_size == 0)
- {
+ int len, tileno, totlen, partno, numparts, i;
+ j2k_tcp_t *tcp;
+ j2k_tccp_t *tmp;
+ char status = 0;
+
+ len = cio_read(2);
+ tileno = cio_read(2);
+
+ if (j2k_cp->tileno_size == 0) {
+ j2k_cp->tileno[j2k_cp->tileno_size] = tileno;
+ j2k_cp->tileno_size++;
+ } else {
+ i = 0;
+ while (i < j2k_cp->tileno_size && status == 0) {
+ status = j2k_cp->tileno[i] == tileno ? 1 : 0;
+ i++;
+ }
+ if (status == 0) {
j2k_cp->tileno[j2k_cp->tileno_size] = tileno;
j2k_cp->tileno_size++;
- }
- else
- {
- i = 0;
- while (i < j2k_cp->tileno_size && status == 0)
- {
- status = j2k_cp->tileno[i] == tileno ? 1 : 0;
- i++;
- }
- if (status == 0)
- {
- j2k_cp->tileno[j2k_cp->tileno_size] = tileno;
- j2k_cp->tileno_size++;
- }
- }
-
- totlen = cio_read(4);
- if (!totlen)
- totlen = cio_numbytesleft() + 8;
-
- partno = cio_read(1);
- numparts = cio_read(1);
+ }
+ }
- j2k_curtileno = tileno;
- j2k_eot = cio_getbp() - 12 + totlen;
- j2k_state = J2K_STATE_TPH;
- tcp = &j2k_cp->tcps[j2k_curtileno];
-
- if (tcp->first == 1)
- {
- tmp = tcp->tccps;
- *tcp = j2k_default_tcp;
-
- /* Initialization PPT */
- tcp->ppt=0;
- tcp->ppt_data=NULL;
-
- tcp->tccps = tmp;
- for (i = 0; i < j2k_img->numcomps; i++) {
- tcp->tccps[i] = j2k_default_tcp.tccps[i];
- }
- j2k_cp->tcps[j2k_curtileno].first=0;
- }
+ totlen = cio_read(4);
+ if (!totlen)
+ totlen = cio_numbytesleft() + 8;
+
+ partno = cio_read(1);
+ numparts = cio_read(1);
+
+ j2k_curtileno = tileno;
+ j2k_eot = cio_getbp() - 12 + totlen;
+ j2k_state = J2K_STATE_TPH;
+ tcp = &j2k_cp->tcps[j2k_curtileno];
+
+ if (tcp->first == 1) {
+ tmp = tcp->tccps;
+ *tcp = j2k_default_tcp;
+
+ /* Initialization PPT */
+ tcp->ppt = 0;
+ tcp->ppt_data = NULL;
+
+ tcp->tccps = tmp;
+ for (i = 0; i < j2k_img->numcomps; i++) {
+ tcp->tccps[i] = j2k_default_tcp.tccps[i];
+ }
+ j2k_cp->tcps[j2k_curtileno].first = 0;
+ }
}
void j2k_write_sod()
{
- int l, layno;
- int totlen;
- j2k_tcp_t *tcp;
- static int j2k_sod_start;
-
- cio_write(J2K_MS_SOD, 2);
- if (j2k_curtileno == 0) {
- j2k_sod_start = cio_tell() + pos_correction;
- }
+ int l, layno;
+ int totlen;
+ j2k_tcp_t *tcp;
+ static int j2k_sod_start;
- /* INDEX >> */
- if (info_IM.index_on) {
- info_IM.tile[j2k_curtileno].end_header = cio_tell() + pos_correction - 1;
- info_IM.tile[j2k_curtileno].packet = (info_packet *) calloc(info_IM.Comp * info_IM.Layer *
- (info_IM.Decomposition + 1) * 100,sizeof(info_packet));
- }
- /* << INDEX */
+ cio_write(J2K_MS_SOD, 2);
+ if (j2k_curtileno == 0) {
+ j2k_sod_start = cio_tell() + pos_correction;
+ }
- tcp = &j2k_cp->tcps[j2k_curtileno];
- for (layno = 0; layno < tcp->numlayers; layno++) {
- tcp->rates[layno] -= (j2k_sod_start / (j2k_cp->th * j2k_cp->tw));
- }
+ /* INDEX >> */
+ if (info_IM.index_on) {
+ info_IM.tile[j2k_curtileno].end_header =
+ cio_tell() + pos_correction - 1;
+ info_IM.tile[j2k_curtileno].packet =
+ (info_packet *) calloc(info_IM.Comp * info_IM.Layer *
+ (info_IM.Decomposition + 1) * 100,
+ sizeof(info_packet));
+ }
+ /* << INDEX */
+
+ tcp = &j2k_cp->tcps[j2k_curtileno];
+ for (layno = 0; layno < tcp->numlayers; layno++) {
+ tcp->rates[layno] -= (j2k_sod_start / (j2k_cp->th * j2k_cp->tw));
+ }
- info_IM.num = 0;
- if (j2k_cp->image_type)
- l = tcd_encode_tile_pxm(j2k_curtileno, cio_getbp(), cio_numbytesleft() - 2, &info_IM);
- else
- l = tcd_encode_tile_pgx(j2k_curtileno, cio_getbp(), cio_numbytesleft() - 2, &info_IM);
-
- /* Writing Psot in SOT marker */
- totlen = cio_tell() + l - j2k_sot_start;
- cio_seek(j2k_sot_start + 6);
- cio_write(totlen, 4);
- cio_seek(j2k_sot_start + totlen);
+ info_IM.num = 0;
+ if (j2k_cp->image_type)
+ l = tcd_encode_tile_pxm(j2k_curtileno, cio_getbp(),
+ cio_numbytesleft() - 2, &info_IM);
+ else
+ l = tcd_encode_tile_pgx(j2k_curtileno, cio_getbp(),
+ cio_numbytesleft() - 2, &info_IM);
+
+ /* Writing Psot in SOT marker */
+ totlen = cio_tell() + l - j2k_sot_start;
+ cio_seek(j2k_sot_start + 6);
+ cio_write(totlen, 4);
+ cio_seek(j2k_sot_start + totlen);
}
void j2k_read_sod()
{
- int len, truncate = 0, i;
- unsigned char *data;
-
- len = int_min(j2k_eot - cio_getbp(), cio_numbytesleft() + 1);
- if (len == cio_numbytesleft() + 1)
- truncate = 1; /* Case of a truncate codestream */
-
- data = (unsigned char*)malloc((j2k_tile_len[j2k_curtileno] + len) * sizeof(unsigned char));
- for (i=0; i<j2k_tile_len[j2k_curtileno]; i++)
- data[i] = j2k_tile_data[j2k_curtileno][i];
- for (i=0 ; i<len ; i++)
- data[i+j2k_tile_len[j2k_curtileno]] = cio_read(1);
-
- j2k_tile_len[j2k_curtileno] += len;
- free(j2k_tile_data[j2k_curtileno]);
- j2k_tile_data[j2k_curtileno] = data;
- data=NULL;
-
- if (!truncate)
- j2k_state = J2K_STATE_TPHSOT;
- else
- j2k_state = J2K_STATE_NEOC; /* RAJOUTE !! */
+ int len, truncate = 0, i;
+ unsigned char *data;
+
+ len = int_min(j2k_eot - cio_getbp(), cio_numbytesleft() + 1);
+ if (len == cio_numbytesleft() + 1)
+ truncate = 1; /* Case of a truncate codestream */
+
+ data =
+ (unsigned char *) malloc((j2k_tile_len[j2k_curtileno] + len) *
+ sizeof(unsigned char));
+ for (i = 0; i < j2k_tile_len[j2k_curtileno]; i++)
+ data[i] = j2k_tile_data[j2k_curtileno][i];
+ for (i = 0; i < len; i++)
+ data[i + j2k_tile_len[j2k_curtileno]] = cio_read(1);
+
+ j2k_tile_len[j2k_curtileno] += len;
+ free(j2k_tile_data[j2k_curtileno]);
+ j2k_tile_data[j2k_curtileno] = data;
+ data = NULL;
+
+ if (!truncate)
+ j2k_state = J2K_STATE_TPHSOT;
+ else
+ j2k_state = J2K_STATE_NEOC; /* RAJOUTE !! */
}
void j2k_write_rgn(int compno, int tileno)
{
- j2k_tcp_t *tcp = &j2k_cp->tcps[tileno];
+ j2k_tcp_t *tcp = &j2k_cp->tcps[tileno];
- cio_write(J2K_MS_RGN, 2); /* RGN */
- cio_write(j2k_img->numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
- cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Crgn */
- cio_write(0, 1); /* Srgn */
- cio_write(tcp->tccps[compno].roishift, 1); /* SPrgn */
+ cio_write(J2K_MS_RGN, 2); /* RGN */
+ cio_write(j2k_img->numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
+ cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Crgn */
+ cio_write(0, 1); /* Srgn */
+ cio_write(tcp->tccps[compno].roishift, 1); /* SPrgn */
}
void j2k_read_rgn()
{
- int len, compno, roisty;
- j2k_tcp_t *tcp;
-
- tcp = j2k_state == J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
- len = cio_read(2); /* Lrgn */
- compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Crgn */
- roisty = cio_read(1); /* Srgn */
- tcp->tccps[compno].roishift = cio_read(1); /* SPrgn */
+ int len, compno, roisty;
+ j2k_tcp_t *tcp;
+
+ tcp =
+ j2k_state ==
+ J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
+ len = cio_read(2); /* Lrgn */
+ compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Crgn */
+ roisty = cio_read(1); /* Srgn */
+ tcp->tccps[compno].roishift = cio_read(1); /* SPrgn */
}
void j2k_write_eoc()
{
- /* fprintf(stderr, "%.8x: EOC\n", cio_tell() + pos_correction); */
- cio_write(J2K_MS_EOC, 2);
+ /* fprintf(stderr, "%.8x: EOC\n", cio_tell() + pos_correction); */
+ cio_write(J2K_MS_EOC, 2);
}
void j2k_read_eoc()
{
- int i, tileno;
+ int i, tileno;
- tcd_init(j2k_img, j2k_cp);
+ tcd_init(j2k_img, j2k_cp);
- for (i = 0; i < j2k_cp->tileno_size; i++) {
- tileno = j2k_cp->tileno[i];
- tcd_decode_tile(j2k_tile_data[tileno], j2k_tile_len[tileno], tileno);
- }
-
- j2k_state = J2K_STATE_MT;
- longjmp(j2k_error, 1);
+ for (i = 0; i < j2k_cp->tileno_size; i++) {
+ tileno = j2k_cp->tileno[i];
+ tcd_decode_tile(j2k_tile_data[tileno], j2k_tile_len[tileno],
+ tileno);
+ }
+
+ j2k_state = J2K_STATE_MT;
+ longjmp(j2k_error, 1);
}
void j2k_read_unk()
{
- fprintf(stderr, "warning: unknown marker\n");
+ fprintf(stderr, "warning: unknown marker\n");
}
-LIBJ2K_API int j2k_encode(j2k_image_t * img, j2k_cp_t * cp, char *outfile, int len, char *index)
+LIBJ2K_API int j2k_encode(j2k_image_t * img, j2k_cp_t * cp, char *outfile,
+ int len, char *index)
{
- int tileno, compno, layno, resno, precno, pack_nb;
- char *dest;
- FILE *INDEX;
- FILE *f;
+ int tileno, compno, layno, resno, precno, pack_nb;
+ char *dest;
+ FILE *INDEX;
+ FILE *f;
- if (setjmp(j2k_error)) {
- return 0;
- }
+ if (setjmp(j2k_error)) {
+ return 0;
+ }
- f = fopen(outfile, "wb");
+ f = fopen(outfile, "wb");
- if (!f) {
- fprintf(stderr, "failed to open %s for writing\n", outfile);
- return 1;
- }
+ if (!f) {
+ fprintf(stderr, "failed to open %s for writing\n", outfile);
+ return 1;
+ }
+
+ dest = (char *) malloc(len);
+ cio_init(dest, len);
+
+ j2k_img = img;
+ j2k_cp = cp;
+ /* j2k_dump_cp(j2k_img, j2k_cp); */
+
+ /* INDEX >> */
+ info_IM.index_on = j2k_img->index_on;
+ if (info_IM.index_on) {
+ info_IM.tile =
+ (info_tile *) malloc(j2k_cp->tw * j2k_cp->th *
+ sizeof(info_tile));
+ info_IM.Im_w = j2k_img->x1 - j2k_img->x0;
+ info_IM.Im_h = j2k_img->y1 - j2k_img->y0;
+ info_IM.Prog = (&j2k_cp->tcps[0])->prg;
+ /* info_IM.Tile_x=j2k_cp->tw; old version parser */
+ /* info_IM.Tile_y=j2k_cp->th; old version parser */
+ info_IM.Tile_x = j2k_cp->tdx; /* new version parser */
+ info_IM.Tile_y = j2k_cp->tdy; /* new version parser */
+ info_IM.Comp = j2k_img->numcomps;
+ info_IM.Layer = (&j2k_cp->tcps[0])->numlayers;
+ info_IM.Decomposition =
+ (&j2k_cp->tcps[0])->tccps->numresolutions - 1;
+ info_IM.D_max = 0; /* ADD Marcela */
+ }
+ /* << INDEX */
+
+ j2k_write_soc();
+ j2k_write_siz();
+ j2k_write_cod();
+ j2k_write_qcd();
+ for (compno = 0; compno < j2k_img->numcomps; compno++) {
+ j2k_tcp_t *tcp = &j2k_cp->tcps[0];
+ if (tcp->tccps[compno].roishift)
+ j2k_write_rgn(compno, 0);
+ }
+ if (j2k_cp->comment != NULL)
+ j2k_write_com();
+
+ /* Writing the main header */
+ pos_correction = cio_tell();
+ fwrite(dest, 1, cio_tell(), f);
+
+ /* INDEX >> */
+ if (info_IM.index_on) {
+ info_IM.Main_head_end = cio_tell() - 1;
+ }
+ /* << INDEX */
+
+ for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
+ fprintf(stderr, "\nTile number %d / %d \n", tileno + 1,
+ cp->tw * cp->th);
+
+ /* new dest for each tile */
+ free(dest);
dest = (char *) malloc(len);
cio_init(dest, len);
+ j2k_curtileno = tileno;
+ /* initialisation before tile encoding */
- j2k_img = img;
- j2k_cp = cp;
- /* j2k_dump_cp(j2k_img, j2k_cp); */
+ if (tileno == 0) {
+ tcd_malloc_encode(j2k_img, j2k_cp, j2k_curtileno);
+ } else {
+ tcd_init_encode(j2k_img, j2k_cp, j2k_curtileno);
+ }
/* INDEX >> */
- info_IM.index_on = j2k_img->index_on;
if (info_IM.index_on) {
- info_IM.tile = (info_tile *) malloc(j2k_cp->tw * j2k_cp->th * sizeof(info_tile));
- info_IM.Im_w = j2k_img->x1 - j2k_img->x0;
- info_IM.Im_h = j2k_img->y1 - j2k_img->y0;
- info_IM.Prog = (&j2k_cp->tcps[0])->prg;
- /* info_IM.Tile_x=j2k_cp->tw; old version parser */
- /* info_IM.Tile_y=j2k_cp->th; old version parser */
- info_IM.Tile_x = j2k_cp->tdx; /* new version parser */
- info_IM.Tile_y = j2k_cp->tdy; /* new version parser */
- info_IM.Comp = j2k_img->numcomps;
- info_IM.Layer = (&j2k_cp->tcps[0])->numlayers;
- info_IM.Decomposition = (&j2k_cp->tcps[0])->tccps->numresolutions - 1;
- info_IM.D_max = 0; /* ADD Marcela */
+ info_IM.tile[j2k_curtileno].num_tile = j2k_curtileno;
+ info_IM.tile[j2k_curtileno].start_pos =
+ cio_tell() + pos_correction;
}
/* << INDEX */
+ j2k_write_sot();
- j2k_write_soc();
- j2k_write_siz();
- j2k_write_cod();
- j2k_write_qcd();
- for (compno = 0; compno < j2k_img->numcomps; compno++) {
- j2k_tcp_t *tcp = &j2k_cp->tcps[0];
- if (tcp->tccps[compno].roishift)
- j2k_write_rgn(compno, 0);
+ for (compno = 1; compno < img->numcomps; compno++) {
+ j2k_write_coc(compno);
+ j2k_write_qcc(compno);
}
- if (j2k_cp->comment != NULL)
- j2k_write_com();
- /* Writing the main header */
- pos_correction = cio_tell();
- fwrite(dest, 1, cio_tell(), f);
+ if (cp->tcps[tileno].numpocs)
+ j2k_write_poc();
+ j2k_write_sod();
/* INDEX >> */
if (info_IM.index_on) {
- info_IM.Main_head_end = cio_tell() - 1;
+ info_IM.tile[j2k_curtileno].end_pos =
+ cio_tell() + pos_correction - 1;
}
/* << INDEX */
-
- for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
- fprintf(stderr, "\nTile number %d / %d \n", tileno + 1,
- cp->tw * cp->th);
-
- /* new dest for each tile */
- free(dest);
- dest = (char *) malloc(len);
- cio_init(dest, len);
- j2k_curtileno = tileno;
- /* initialisation before tile encoding */
-
- if (tileno == 0) {
- tcd_malloc_encode(j2k_img, j2k_cp, j2k_curtileno);
- } else {
- tcd_init_encode(j2k_img, j2k_cp, j2k_curtileno);
- }
+ /*
+ if (tile->PPT) BAD PPT !!!
+ {
+ FILE *PPT_file;
+
+ int i;
+ PPT_file=fopen("PPT","rb");
+ fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
+ for (i=0;i<tile->len_ppt;i++)
+ {
+ unsigned char elmt;
+ fread(&elmt, 1, 1, PPT_file);
+ fwrite(&elmt,1,1,f);
+ }
+ fclose(PPT_file);
+ unlink("PPT");
+ }
+ */
- /* INDEX >> */
- if (info_IM.index_on) {
- info_IM.tile[j2k_curtileno].num_tile = j2k_curtileno;
- info_IM.tile[j2k_curtileno].start_pos = cio_tell() + pos_correction;
- }
- /* << INDEX */
- j2k_write_sot();
-
- for (compno = 1; compno < img->numcomps; compno++) {
- j2k_write_coc(compno);
- j2k_write_qcc(compno);
- }
+ fwrite(dest, 1, cio_tell(), f);
+ pos_correction = cio_tell() + pos_correction;
+ }
- if (cp->tcps[tileno].numpocs)
- j2k_write_poc();
- j2k_write_sod();
+ free(dest);
+ dest = (char *) malloc(len);
+ cio_init(dest, len);
- /* INDEX >> */
- if (info_IM.index_on) {
- info_IM.tile[j2k_curtileno].end_pos =
- cio_tell() + pos_correction - 1;
- }
- /* << INDEX */
-
- /*
- if (tile->PPT) BAD PPT !!!
- {
- FILE *PPT_file;
-
- int i;
- PPT_file=fopen("PPT","rb");
- fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
- for (i=0;i<tile->len_ppt;i++)
- {
- unsigned char elmt;
- fread(&elmt, 1, 1, PPT_file);
- fwrite(&elmt,1,1,f);
- }
- fclose(PPT_file);
- unlink("PPT");
- }
- */
-
- fwrite(dest, 1, cio_tell(), f);
- pos_correction = cio_tell() + pos_correction;
- }
+ j2k_write_eoc();
- free(dest);
- dest = (char *) malloc(len);
- cio_init(dest, len);
+ fwrite(dest, 1, 2, f);
+ free(dest);
+ /* closing file *.j2k */
+ fclose(f);
- j2k_write_eoc();
+ /* Creation of the index file */
+ if (info_IM.index_on) {
+ info_IM.codestream_size = cio_tell() + pos_correction; /* Correction 14/4/03 suite rmq de Patrick */
+ INDEX = fopen(index, "w");
- fwrite(dest, 1, 2, f);
- free(dest);
- /* closing file *.j2k */
- fclose(f);
-
- /* Creation of the index file */
- if (info_IM.index_on) {
- info_IM.codestream_size = cio_tell() + pos_correction; /* Correction 14/4/03 suite rmq de Patrick */
- INDEX = fopen(index, "w");
+ if (!INDEX) {
+ fprintf(stderr, "failed to open %s for writing\n", index);
+ return 1;
+ }
- if (!INDEX) {
- fprintf(stderr, "failed to open %s for writing\n", index);
- return 1;
+ fprintf(INDEX, "%d %d\n", info_IM.Im_w, info_IM.Im_h);
+ fprintf(INDEX, "%d\n", info_IM.Prog);
+ fprintf(INDEX, "%d %d\n", info_IM.Tile_x, info_IM.Tile_y);
+ fprintf(INDEX, "%d\n", info_IM.Comp);
+ fprintf(INDEX, "%d\n", info_IM.Layer);
+ fprintf(INDEX, "%d\n", info_IM.Decomposition);
+ fprintf(INDEX, "%d %d\n", info_IM.pdx, info_IM.pdy);
+ fprintf(INDEX, "%d\n", info_IM.Main_head_end);
+ fprintf(INDEX, "%d\n", info_IM.codestream_size);
+ fprintf(INDEX, "%f\n", info_IM.D_max);
+ for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
+ fprintf(INDEX, "%d %d %d %d", info_IM.tile[tileno].num_tile,
+ info_IM.tile[tileno].start_pos,
+ info_IM.tile[tileno].end_header,
+ info_IM.tile[tileno].end_pos);
+ /*for (layno=0;layno<info_IM.Layer;layno++)
+ fprintf(INDEX, " %f",info_IM.tile[tileno].thresh[layno]);
+ */ fprintf(INDEX, "\n");
+ }
+ for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
+ pack_nb = 0;
+ if (info_IM.Prog == 0) { /* LRCP */
+ for (layno = 0; layno < info_IM.Layer; layno++) {
+ for (resno = 0; resno < info_IM.Decomposition + 1;
+ resno++) {
+ for (compno = 0; compno < info_IM.Comp; compno++) {
+ for (precno = 0;
+ precno <
+ info_IM.tile[tileno].pw *
+ info_IM.tile[tileno].ph; precno++) {
+ fprintf(INDEX,
+ "%d %d %d %d %d %d %d %d %.08f\n",
+ pack_nb, tileno, layno, resno,
+ compno, precno,
+ info_IM.tile[tileno].
+ packet[pack_nb].start_pos,
+ info_IM.tile[tileno].
+ packet[pack_nb].end_pos,
+ info_IM.tile[tileno].
+ packet[pack_nb].disto /
+ info_IM.D_max);
+ /*fprintf(INDEX, "%d %d %d %d %d %d %d %d\n", pack_nb, tileno, layno, resno, compno, precno, info_IM.tile[tileno].packet[pack_nb].start_pos, info_IM.tile[tileno].packet[pack_nb].end_pos); */
+ pack_nb++;
+ }
+ }
+ }
}
-
- fprintf(INDEX, "%d %d\n", info_IM.Im_w, info_IM.Im_h);
- fprintf(INDEX, "%d\n", info_IM.Prog);
- fprintf(INDEX, "%d %d\n", info_IM.Tile_x, info_IM.Tile_y);
- fprintf(INDEX, "%d\n", info_IM.Comp);
- fprintf(INDEX, "%d\n", info_IM.Layer);
- fprintf(INDEX, "%d\n", info_IM.Decomposition);
- fprintf(INDEX, "%d %d\n", info_IM.pdx, info_IM.pdy);
- fprintf(INDEX, "%d\n", info_IM.Main_head_end);
- fprintf(INDEX, "%d\n", info_IM.codestream_size);
- fprintf(INDEX, "%f\n",info_IM.D_max);
- for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
- fprintf(INDEX, "%d %d %d %d", info_IM.tile[tileno].num_tile,
- info_IM.tile[tileno].start_pos,
- info_IM.tile[tileno].end_header,
- info_IM.tile[tileno].end_pos);
- /*for (layno=0;layno<info_IM.Layer;layno++)
- fprintf(INDEX, " %f",info_IM.tile[tileno].thresh[layno]);
- */ fprintf(INDEX,"\n");
+ } else if (info_IM.Prog == 1) { /* RLCP */
+ for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
+ for (layno = 0; layno < info_IM.Layer; layno++) {
+ for (compno = 0; compno < info_IM.Comp; compno++) {
+ for (precno = 0;
+ precno < info_IM.pw * info_IM.ph;
+ precno++) {
+ /* fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
+ fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
+ pack_nb, tileno, layno, resno,
+ compno, precno,
+ info_IM.tile[tileno].
+ packet[pack_nb].start_pos,
+ info_IM.tile[tileno].
+ packet[pack_nb].end_pos);
+ pack_nb++;
+ }
}
- for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
- pack_nb = 0;
- if (info_IM.Prog == 0) { /* LRCP */
- for (layno = 0; layno < info_IM.Layer; layno++) {
- for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
- for (compno = 0; compno < info_IM.Comp; compno++) {
- for (precno = 0;
- precno <
- info_IM.tile[tileno].pw * info_IM.tile[tileno].ph;
- precno++) {
- fprintf(INDEX,"%d %d %d %d %d %d %d %d %.08f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max);
- /*fprintf(INDEX, "%d %d %d %d %d %d %d %d\n", pack_nb, tileno, layno, resno, compno, precno, info_IM.tile[tileno].packet[pack_nb].start_pos, info_IM.tile[tileno].packet[pack_nb].end_pos);*/
- pack_nb++;
- }
- }
- }
- }
- } else if (info_IM.Prog == 1) { /* RLCP */
- for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
- for (layno = 0; layno < info_IM.Layer; layno++) {
- for (compno = 0; compno < info_IM.Comp; compno++) {
- for (precno = 0; precno < info_IM.pw * info_IM.ph; precno++) {
- /* fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
- fprintf(INDEX, "%d %d %d %d %d %d %d %d\n", pack_nb,
- tileno, layno, resno, compno, precno,
- info_IM.tile[tileno].packet[pack_nb].start_pos,
- info_IM.tile[tileno].packet[pack_nb].end_pos);
- pack_nb++;
- }
- }
- }
- }
- } else if (info_IM.Prog == 2) { /* RPCL */
- for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
- for (precno = 0; precno < info_IM.pw * info_IM.ph; precno++) {
- for (compno = 0; compno < info_IM.Comp; compno++) {
- for (layno = 0; layno < info_IM.Layer; layno++) {
- /* fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
- fprintf(INDEX, "%d %d %d %d %d %d %d %d\n", pack_nb,
- tileno, layno, resno, compno, precno,
- info_IM.tile[tileno].packet[pack_nb].start_pos,
- info_IM.tile[tileno].packet[pack_nb].end_pos);
- pack_nb++;
- }
- }
- }
- }
- } else if (info_IM.Prog == 3) { /* PCRL */
- for (precno = 0; precno < info_IM.pw * info_IM.ph; precno++) {
- for (compno = 0; compno < info_IM.Comp; compno++) {
- for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
- for (layno = 0; layno < info_IM.Layer; layno++) {
- /* fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
- fprintf(INDEX, "%d %d %d %d %d %d %d %d\n", pack_nb,
- tileno, layno, resno, compno, precno,
- info_IM.tile[tileno].packet[pack_nb].start_pos,
- info_IM.tile[tileno].packet[pack_nb].end_pos);
- pack_nb++;
- }
- }
- }
- }
- } else { /* CPRL */
-
- for (compno = 0; compno < info_IM.Comp; compno++) {
- for (precno = 0; precno < info_IM.pw * info_IM.ph; precno++) {
- for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
- for (layno = 0; layno < info_IM.Layer; layno++) {
- /*fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max);*/
- fprintf(INDEX, "%d %d %d %d %d %d %d %d\n", pack_nb, tileno, layno, resno, compno, precno, info_IM.tile[tileno].packet[pack_nb].start_pos, info_IM.tile[tileno].packet[pack_nb].end_pos);
- pack_nb++;
- }
- }
- }
- }
+ }
+ }
+ } else if (info_IM.Prog == 2) { /* RPCL */
+ for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
+ for (precno = 0; precno < info_IM.pw * info_IM.ph;
+ precno++) {
+ for (compno = 0; compno < info_IM.Comp; compno++) {
+ for (layno = 0; layno < info_IM.Layer; layno++) {
+ /* fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
+ fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
+ pack_nb, tileno, layno, resno,
+ compno, precno,
+ info_IM.tile[tileno].
+ packet[pack_nb].start_pos,
+ info_IM.tile[tileno].
+ packet[pack_nb].end_pos);
+ pack_nb++;
+ }
+ }
+ }
+ }
+ } else if (info_IM.Prog == 3) { /* PCRL */
+ for (precno = 0; precno < info_IM.pw * info_IM.ph;
+ precno++) {
+ for (compno = 0; compno < info_IM.Comp; compno++) {
+ for (resno = 0; resno < info_IM.Decomposition + 1;
+ resno++) {
+ for (layno = 0; layno < info_IM.Layer; layno++) {
+ /* fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
+ fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
+ pack_nb, tileno, layno, resno,
+ compno, precno,
+ info_IM.tile[tileno].
+ packet[pack_nb].start_pos,
+ info_IM.tile[tileno].
+ packet[pack_nb].end_pos);
+ pack_nb++;
+ }
}
+ }
}
- fclose(INDEX);
+ } else { /* CPRL */
+
+ for (compno = 0; compno < info_IM.Comp; compno++) {
+ for (precno = 0; precno < info_IM.pw * info_IM.ph;
+ precno++) {
+ for (resno = 0; resno < info_IM.Decomposition + 1;
+ resno++) {
+ for (layno = 0; layno < info_IM.Layer; layno++) {
+ /*fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
+ fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
+ pack_nb, tileno, layno, resno,
+ compno, precno,
+ info_IM.tile[tileno].
+ packet[pack_nb].start_pos,
+ info_IM.tile[tileno].
+ packet[pack_nb].end_pos);
+ pack_nb++;
+ }
+ }
+ }
+ }
+ }
}
+ fclose(INDEX);
+ }
- j2k_clean();
+ j2k_clean();
- return cio_tell();
+ return cio_tell();
}
typedef struct {
- int id;
- int states;
- void (*handler) ();
+ int id;
+ int states;
+ void (*handler) ();
} j2k_dec_mstabent_t;
j2k_dec_mstabent_t j2k_dec_mstab[] = {
- {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
- {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
- {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
- {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
- {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
- {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
- {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
- {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
- {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
- {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
- {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
- {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
- {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
- {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
- {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
- {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
- {J2K_MS_SOP, 0, 0},
- {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
- {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
- {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
+ {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
+ {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
+ {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
+ {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
+ {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
+ {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
+ {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
+ {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
+ {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
+ {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
+ {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
+ {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
+ {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
+ {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
+ {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
+ {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
+ {J2K_MS_SOP, 0, 0},
+ {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
+ {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
+ {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
};
j2k_dec_mstabent_t *j2k_dec_mstab_lookup(int id)
{
- j2k_dec_mstabent_t *e;
- for (e = j2k_dec_mstab; e->id != 0; e++) {
- if (e->id == id) {
- break;
- }
+ j2k_dec_mstabent_t *e;
+ for (e = j2k_dec_mstab; e->id != 0; e++) {
+ if (e->id == id) {
+ break;
}
- return e;
+ }
+ return e;
}
-LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t ** img, j2k_cp_t ** cp, j2k_option_t option)
+LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t ** img,
+ j2k_cp_t ** cp, j2k_option_t option)
{
- if (setjmp(j2k_error)) {
- if (j2k_state != J2K_STATE_MT) {
- fprintf(stderr, "WARNING: incomplete bitstream\n");
- return 0;
- }
- return cio_numbytes();
+ if (setjmp(j2k_error)) {
+ if (j2k_state != J2K_STATE_MT) {
+ fprintf(stderr, "WARNING: incomplete bitstream\n");
+ return 0;
}
+ return cio_numbytes();
+ }
- j2k_img = (j2k_image_t *) malloc(sizeof(j2k_image_t));
- j2k_cp = (j2k_cp_t *) malloc(sizeof(j2k_cp_t));
- *img = j2k_img;
- *cp = j2k_cp;
- /* Option */
- j2k_cp->reduce_on = option.reduce_on;
- j2k_cp->reduce_value = option.reduce_value;
-
- j2k_state = J2K_STATE_MHSOC;
- cio_init(src, len);
-
- for (;;) {
- j2k_dec_mstabent_t *e;
- int id = cio_read(2);
- if (id >> 8 != 0xff) {
- fprintf(stderr, "%.8x: expected a marker instead of %x\n", cio_tell() - 2, id);
- return 0;
- }
- e = j2k_dec_mstab_lookup(id);
- if (!(j2k_state & e->states)) {
- fprintf(stderr, "%.8x: unexpected marker %x\n", cio_tell() - 2, id);
- return 0;
- }
- if (e->handler) {
- (*e->handler) ();
- }
- if (j2k_state == J2K_STATE_NEOC)
- break; /* RAJOUTE */
+ j2k_img = (j2k_image_t *) malloc(sizeof(j2k_image_t));
+ j2k_cp = (j2k_cp_t *) malloc(sizeof(j2k_cp_t));
+ *img = j2k_img;
+ *cp = j2k_cp;
+ /* Option */
+ j2k_cp->reduce_on = option.reduce_on;
+ j2k_cp->reduce_value = option.reduce_value;
+
+ j2k_state = J2K_STATE_MHSOC;
+ cio_init(src, len);
+
+ for (;;) {
+ j2k_dec_mstabent_t *e;
+ int id = cio_read(2);
+ if (id >> 8 != 0xff) {
+ fprintf(stderr, "%.8x: expected a marker instead of %x\n",
+ cio_tell() - 2, id);
+ return 0;
+ }
+ e = j2k_dec_mstab_lookup(id);
+ if (!(j2k_state & e->states)) {
+ fprintf(stderr, "%.8x: unexpected marker %x\n", cio_tell() - 2,
+ id);
+ return 0;
+ }
+ if (e->handler) {
+ (*e->handler) ();
}
if (j2k_state == J2K_STATE_NEOC)
- j2k_read_eoc(); /* RAJOUTE */
-
- return 0;
+ break; /* RAJOUTE */
+ }
+ if (j2k_state == J2K_STATE_NEOC)
+ j2k_read_eoc(); /* RAJOUTE */
+
+ return 0;
}
/*
* Read a JPT-stream and decode file
*
*/
-int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t ** img, j2k_cp_t ** cp)
-{
- jpt_msg_header_struct_t header;
- int position;
-
- if (setjmp(j2k_error)) {
- if (j2k_state != J2K_STATE_MT) {
- fprintf(stderr, "WARNING: incomplete bitstream\n");
- return 0;
- }
- return cio_numbytes();
- }
-
- j2k_img = (j2k_image_t *) malloc(sizeof(j2k_image_t));
- j2k_cp = (j2k_cp_t *) malloc(sizeof(j2k_cp_t));
- *img = j2k_img;
- *cp = j2k_cp;
-
- j2k_state = J2K_STATE_MHSOC;
- cio_init(src, len);
-
- /* Initialize the header */
- jpt_init_Msg_Header(&header);
- /* Read the first header of the message */
- jpt_read_Msg_Header(&header);
-
- position = cio_tell();
- if (header.Class_Id != 6) /* 6 : Main header data-bin message */
- {
- fprintf(stderr,"[JPT-stream] : Expecting Main header first [class_Id %d] !\n",header.Class_Id);
- return 0;
+int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t ** img,
+ j2k_cp_t ** cp)
+{
+ jpt_msg_header_struct_t header;
+ int position;
+
+ if (setjmp(j2k_error)) {
+ if (j2k_state != J2K_STATE_MT) {
+ fprintf(stderr, "WARNING: incomplete bitstream\n");
+ return 0;
+ }
+ return cio_numbytes();
}
- for (;;) {
- j2k_dec_mstabent_t *e;
- int id;
+ j2k_img = (j2k_image_t *) malloc(sizeof(j2k_image_t));
+ j2k_cp = (j2k_cp_t *) malloc(sizeof(j2k_cp_t));
+ *img = j2k_img;
+ *cp = j2k_cp;
- if(!cio_numbytesleft())
- {
- j2k_read_eoc();
+ j2k_state = J2K_STATE_MHSOC;
+ cio_init(src, len);
+
+ /* Initialize the header */
+ jpt_init_Msg_Header(&header);
+ /* Read the first header of the message */
+ jpt_read_Msg_Header(&header);
+
+ position = cio_tell();
+ if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
+ fprintf(stderr,
+ "[JPT-stream] : Expecting Main header first [class_Id %d] !\n",
+ header.Class_Id);
return 0;
- }
- /* data-bin read -> need to read a new header */
- if ((cio_tell() - position) == header.Msg_length)
- {
- jpt_read_Msg_Header(&header);
- position = cio_tell();
- if (header.Class_Id != 4) /* 4 : Tile data-bin message */
- {
- fprintf(stderr,"[JPT-stream] : Expecting Tile info !\n");
+ }
+
+ for (;;) {
+ j2k_dec_mstabent_t *e;
+ int id;
+
+ if (!cio_numbytesleft()) {
+ j2k_read_eoc();
return 0;
- }
- }
+ }
+ /* data-bin read -> need to read a new header */
+ if ((cio_tell() - position) == header.Msg_length) {
+ jpt_read_Msg_Header(&header);
+ position = cio_tell();
+ if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
+ fprintf(stderr, "[JPT-stream] : Expecting Tile info !\n");
+ return 0;
+ }
+ }
- id = cio_read(2);
- if (id >> 8 != 0xff) {
- fprintf(stderr, "%.8x: expected a marker instead of %x\n", cio_tell() - 2, id);
- return 0;
- }
- e = j2k_dec_mstab_lookup(id);
- if (!(j2k_state & e->states)) {
- fprintf(stderr, "%.8x: unexpected marker %x\n", cio_tell() - 2, id);
- return 0;
- }
- if (e->handler) {
- (*e->handler) ();
+ id = cio_read(2);
+ if (id >> 8 != 0xff) {
+ fprintf(stderr, "%.8x: expected a marker instead of %x\n",
+ cio_tell() - 2, id);
+ return 0;
+ }
+ e = j2k_dec_mstab_lookup(id);
+ if (!(j2k_state & e->states)) {
+ fprintf(stderr, "%.8x: unexpected marker %x\n", cio_tell() - 2,
+ id);
+ return 0;
+ }
+ if (e->handler) {
+ (*e->handler) ();
+ }
+ if (j2k_state == J2K_STATE_NEOC)
+ break; /* RAJOUTE */
}
if (j2k_state == J2K_STATE_NEOC)
- break; /* RAJOUTE */
- }
- if (j2k_state == J2K_STATE_NEOC)
- j2k_read_eoc(); /* RAJOUTE */
-
- return 0;
+ j2k_read_eoc(); /* RAJOUTE */
+
+ return 0;
}
#ifdef WIN32
#include <windows.h>
-BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
+BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call,
+ LPVOID lpReserved)
{
- switch (ul_reason_for_call) {
- case DLL_PROCESS_ATTACH:
- case DLL_THREAD_ATTACH:
- case DLL_THREAD_DETACH:
- case DLL_PROCESS_DETACH:
- break;
- }
- return TRUE;
+ switch (ul_reason_for_call) {
+ case DLL_PROCESS_ATTACH:
+ case DLL_THREAD_ATTACH:
+ case DLL_THREAD_DETACH:
+ case DLL_PROCESS_DETACH:
+ break;
+ }
+ return TRUE;
}
#endif
#ifndef __J2K_H
#define __J2K_H
-#define J2K_MAXRLVLS 33 /* Number of maximum resolution level authorized */
-#define J2K_MAXBANDS (3*J2K_MAXRLVLS+1) /* Number of maximum sub-band linked to number of resolution level */
+#define J2K_MAXRLVLS 33 /* Number of maximum resolution level authorized */
+#define J2K_MAXBANDS (3*J2K_MAXRLVLS+1) /* Number of maximum sub-band linked to number of resolution level */
#define J2K_CP_CSTY_PRT 0x01
#define J2K_CP_CSTY_SOP 0x02
#define J2K_CCP_QNTSTY_SEQNT 2
typedef struct {
- int reduce_on; /* option reduce is used if reduce = 1 */
- int reduce_value; /* if option reduce is used -> original dimension divided by 2^value */
+ int reduce_on; /* option reduce is used if reduce = 1 */
+ int reduce_value; /* if option reduce is used -> original dimension divided by 2^value */
} j2k_option_t;
typedef struct {
- int dx, dy; /* XRsiz, YRsiz */
- int w, h; /* width and height of data */
- int x0, y0; /* offset of the component compare to the whole image */
- int prec; /* precision */
- int bpp; /* deapth of image in bits */
- int sgnd; /* signed */
- int resno_decoded; /* number of decoded resolution */
- int factor; /* number of division by 2 of the out image compare to the original size of image */
- int *data; /* image-component data */
+ int dx, dy; /* XRsiz, YRsiz */
+ int w, h; /* width and height of data */
+ int x0, y0; /* offset of the component compare to the whole image */
+ int prec; /* precision */
+ int bpp; /* deapth of image in bits */
+ int sgnd; /* signed */
+ int resno_decoded; /* number of decoded resolution */
+ int factor; /* number of division by 2 of the out image compare to the original size of image */
+ int *data; /* image-component data */
} j2k_comp_t;
typedef struct {
- int x0, y0; /* XOsiz, YOsiz */
- int x1, y1; /* Xsiz, Ysiz */
- int numcomps; /* number of components */
- int index_on; /* 0 = no index || 1 = index */
- j2k_comp_t *comps; /* image-components */
+ int x0, y0; /* XOsiz, YOsiz */
+ int x1, y1; /* Xsiz, Ysiz */
+ int numcomps; /* number of components */
+ int index_on; /* 0 = no index || 1 = index */
+ j2k_comp_t *comps; /* image-components */
} j2k_image_t;
typedef struct {
- int expn; /* exponent */
- int mant; /* mantissa */
+ int expn; /* exponent */
+ int mant; /* mantissa */
} j2k_stepsize_t;
typedef struct {
- int csty; /* coding style */
- int numresolutions; /* number of resolutions */
- int cblkw; /* width of code-blocks */
- int cblkh; /* height of code-blocks */
- int cblksty; /* code-block coding style */
- int qmfbid; /* discrete wavelet transform identifier */
- int qntsty; /* quantisation style */
- j2k_stepsize_t stepsizes[J2K_MAXBANDS]; /* stepsizes used for quantisation */
- int numgbits; /* number of guard bits */
- int roishift; /* Region Of Interest shift */
- int prcw[J2K_MAXRLVLS]; /* Precinct width */
- int prch[J2K_MAXRLVLS]; /* Precinct height */
+ int csty; /* coding style */
+ int numresolutions; /* number of resolutions */
+ int cblkw; /* width of code-blocks */
+ int cblkh; /* height of code-blocks */
+ int cblksty; /* code-block coding style */
+ int qmfbid; /* discrete wavelet transform identifier */
+ int qntsty; /* quantisation style */
+ j2k_stepsize_t stepsizes[J2K_MAXBANDS]; /* stepsizes used for quantisation */
+ int numgbits; /* number of guard bits */
+ int roishift; /* Region Of Interest shift */
+ int prcw[J2K_MAXRLVLS]; /* Precinct width */
+ int prch[J2K_MAXRLVLS]; /* Precinct height */
} j2k_tccp_t;
typedef struct {
- int resno0, compno0;
- int layno1, resno1, compno1;
- int prg;
- int tile;
- char progorder[4];
+ int resno0, compno0;
+ int layno1, resno1, compno1;
+ int prg;
+ int tile;
+ char progorder[4];
} j2k_poc_t;
typedef struct {
- int first; /* 1 : first part-tile of a tile */
- int csty; /* coding style */
- int prg; /* progression order */
- int numlayers; /* number of layers */
- int mct; /* multi-component transform identifier */
- int rates[100]; /* rates of layers */
- int numpocs; /* number of progression order changes */
- int POC; /* Precise if a POC marker has been used O:NO, 1:YES */
- j2k_poc_t pocs[32]; /* progression order changes */
- unsigned char *ppt_data; /* packet header store there for futur use in t2_decode_packet */
- int ppt; /* If ppt == 1 --> there was a PPT marker for the present tile */
- int ppt_store; /* Use in case of multiple marker PPT (number of info already store) */
- j2k_tccp_t *tccps; /* tile-component coding parameters */
+ int first; /* 1 : first part-tile of a tile */
+ int csty; /* coding style */
+ int prg; /* progression order */
+ int numlayers; /* number of layers */
+ int mct; /* multi-component transform identifier */
+ int rates[100]; /* rates of layers */
+ int numpocs; /* number of progression order changes */
+ int POC; /* Precise if a POC marker has been used O:NO, 1:YES */
+ j2k_poc_t pocs[32]; /* progression order changes */
+ unsigned char *ppt_data; /* packet header store there for futur use in t2_decode_packet */
+ int ppt; /* If ppt == 1 --> there was a PPT marker for the present tile */
+ int ppt_store; /* Use in case of multiple marker PPT (number of info already store) */
+ j2k_tccp_t *tccps; /* tile-component coding parameters */
} j2k_tcp_t;
typedef struct {
- int image_type; /* 0: PNM, PGM, PPM 1: PGX */
- int disto_alloc; /* Allocation by rate/distortion */
- int fixed_alloc; /* Allocation by fixed layer */
- int reduce_on; /* option reduce is used if reduce = 1 */
- int reduce_value; /* if option reduce is used -> original dimension divided by 2^value */
- int tx0, ty0; /* XTOsiz, YTOsiz */
- int tdx, tdy; /* XTsiz, YTsiz */
- char *comment; /* comment for coding */
- int tw, th; /* number of tiles in width and heigth */
- int *tileno; /* ID number of the tiles present in the codestream */
- int tileno_size; /* size of the vector tileno */
- unsigned char *ppm_data; /* packet header store there for futur use in t2_decode_packet */
- int ppm; /* If ppm == 1 --> there was a PPM marker for the present tile */
- int ppm_store; /* Use in case of multiple marker PPM (number of info already store) */
- int ppm_previous; /* Use in case of multiple marker PPM (case on non-finished previous info) */
- j2k_tcp_t *tcps; /* tile coding parameters */
- int *matrice; /* Fixed layer */
+ int image_type; /* 0: PNM, PGM, PPM 1: PGX */
+ int disto_alloc; /* Allocation by rate/distortion */
+ int fixed_alloc; /* Allocation by fixed layer */
+ int reduce_on; /* option reduce is used if reduce = 1 */
+ int reduce_value; /* if option reduce is used -> original dimension divided by 2^value */
+ int tx0, ty0; /* XTOsiz, YTOsiz */
+ int tdx, tdy; /* XTsiz, YTsiz */
+ char *comment; /* comment for coding */
+ int tw, th; /* number of tiles in width and heigth */
+ int *tileno; /* ID number of the tiles present in the codestream */
+ int tileno_size; /* size of the vector tileno */
+ unsigned char *ppm_data; /* packet header store there for futur use in t2_decode_packet */
+ int ppm; /* If ppm == 1 --> there was a PPM marker for the present tile */
+ int ppm_store; /* Use in case of multiple marker PPM (number of info already store) */
+ int ppm_previous; /* Use in case of multiple marker PPM (case on non-finished previous info) */
+ j2k_tcp_t *tcps; /* tile coding parameters */
+ int *matrice; /* Fixed layer */
} j2k_cp_t;
typedef struct {
- int start_pos, end_pos; /* start and end position */
- double disto; /* ADD for Marcela */
-} info_packet; /* Index struct */
+ int start_pos, end_pos; /* start and end position */
+ double disto; /* ADD for Marcela */
+} info_packet; /* Index struct */
typedef struct {
- double *thresh; /* value of thresh for each layer by tile cfr. Marcela */
- int num_tile; /* Number of Tile */
- int start_pos; /* Start position */
- int end_header; /* End position of the header */
- int end_pos; /* End position */
- int pw, ph; /* number of precinct by tile */
- info_packet *packet; /* information concerning packets inside tile */
-} info_tile; /* index struct */
+ double *thresh; /* value of thresh for each layer by tile cfr. Marcela */
+ int num_tile; /* Number of Tile */
+ int start_pos; /* Start position */
+ int end_header; /* End position of the header */
+ int end_pos; /* End position */
+ int pw, ph; /* number of precinct by tile */
+ info_packet *packet; /* information concerning packets inside tile */
+} info_tile; /* index struct */
typedef struct {
- int index_on;
- double D_max; /* ADD for Marcela */
- int num; /* numero of packet */
- int index_write; /* writing the packet inthe index with t2_encode_packets */
- int Im_w, Im_h; /* Image width and Height */
- int Prog; /* progression order */
- int Tile_x, Tile_y; /* Number of Tile in X and Y */
- int tw, th;
- int Comp; /* Component numbers */
- int Layer; /* number of layer */
- int Decomposition; /* number of decomposition */
- int pw, ph; /* nombre precinct in X and Y */
- int pdx, pdy; /* size of precinct in X and Y */
- int Main_head_end; /* Main header position */
- int codestream_size; /* codestream's size */
- info_tile *tile; /* information concerning tiles inside image */
-} info_image; /* index struct */
+ int index_on;
+ double D_max; /* ADD for Marcela */
+ int num; /* numero of packet */
+ int index_write; /* writing the packet inthe index with t2_encode_packets */
+ int Im_w, Im_h; /* Image width and Height */
+ int Prog; /* progression order */
+ int Tile_x, Tile_y; /* Number of Tile in X and Y */
+ int tw, th;
+ int Comp; /* Component numbers */
+ int Layer; /* number of layer */
+ int Decomposition; /* number of decomposition */
+ int pw, ph; /* nombre precinct in X and Y */
+ int pdx, pdy; /* size of precinct in X and Y */
+ int Main_head_end; /* Main header position */
+ int codestream_size; /* codestream's size */
+ info_tile *tile; /* information concerning tiles inside image */
+} info_image; /* index struct */
/*
* Encode an image into a JPEG-2000 codestream
* len: length of destination buffer
* index : index file name
*/
-LIBJ2K_API int j2k_encode(j2k_image_t * i, j2k_cp_t * cp, char *outfile, int len, char *index);
+LIBJ2K_API int j2k_encode(j2k_image_t * i, j2k_cp_t * cp, char *outfile,
+ int len, char *index);
/* LIBJ2K_API int j2k_encode(j2k_image_t *i, j2k_cp_t *cp,unsigned char *dest, int len); */
/*
* i: decode image
* cp: coding parameters that were used to encode the image
*/
-LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t ** img, j2k_cp_t ** cp, j2k_option_t option);
+LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t ** img,
+ j2k_cp_t ** cp, j2k_option_t option);
/*
* cp: coding parameters that were used to encode the image
*
*/
-int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t ** img, j2k_cp_t ** cp);
+int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t ** img,
+ j2k_cp_t ** cp);
#endif
* Read the information contains in VBAS [JPP/JPT stream message header]
* Store information (7 bits) in value
*
- */
+ */
unsigned int jpt_read_VBAS_info(unsigned int value)
{
- unsigned char elmt;
-
- elmt = cio_read(1);
- while ((elmt >> 7) == 1)
- {
- value = (value << 7);
- value |= (elmt & 0x7f);
- elmt = cio_read(1);
+ unsigned char elmt;
+
+ elmt = cio_read(1);
+ while ((elmt >> 7) == 1) {
+ value = (value << 7);
+ value |= (elmt & 0x7f);
+ elmt = cio_read(1);
}
- value = (value << 7);
- value |= (elmt & 0x7f);
-
- return value;
+ value = (value << 7);
+ value |= (elmt & 0x7f);
+
+ return value;
}
/*
* Initialize the value of the message header structure
*
- */
-void jpt_init_Msg_Header(jpt_msg_header_struct_t *header)
+ */
+void jpt_init_Msg_Header(jpt_msg_header_struct_t * header)
{
- header->Id = 0; /* In-class Identifier */
- header->last_byte = 0; /* Last byte information */
- header->Class_Id = 0; /* Class Identifier */
- header->CSn_Id = 0; /* CSn : index identifier */
- header->Msg_offset = 0; /* Message offset */
- header->Msg_length = 0; /* Message length */
- header->Layer_nb = 0; /* Auxiliary for JPP case */
+ header->Id = 0; /* In-class Identifier */
+ header->last_byte = 0; /* Last byte information */
+ header->Class_Id = 0; /* Class Identifier */
+ header->CSn_Id = 0; /* CSn : index identifier */
+ header->Msg_offset = 0; /* Message offset */
+ header->Msg_length = 0; /* Message length */
+ header->Layer_nb = 0; /* Auxiliary for JPP case */
}
/*
* Only parameters always present in message header
*
*/
-void jpt_reinit_Msg_Header(jpt_msg_header_struct_t *header)
+void jpt_reinit_Msg_Header(jpt_msg_header_struct_t * header)
{
- header->Id = 0; /* In-class Identifier */
- header->last_byte = 0; /* Last byte information */
- header->Msg_offset = 0; /* Message offset */
- header->Msg_length = 0; /* Message length */
+ header->Id = 0; /* In-class Identifier */
+ header->last_byte = 0; /* Last byte information */
+ header->Msg_offset = 0; /* Message offset */
+ header->Msg_length = 0; /* Message length */
}
/*
* Read the message header for a JPP/JPT - stream
*
*/
-void jpt_read_Msg_Header(jpt_msg_header_struct_t *header)
+void jpt_read_Msg_Header(jpt_msg_header_struct_t * header)
{
- unsigned char elmt, Class = 0, CSn = 0;
- jpt_reinit_Msg_Header(header);
-
- /* ------------- */
- /* VBAS : Bin-ID */
- /* ------------- */
- elmt = cio_read(1);
-
- /* See for Class and CSn */
- switch((elmt>>5) & 0x03)
- {
+ unsigned char elmt, Class = 0, CSn = 0;
+ jpt_reinit_Msg_Header(header);
+
+ /* ------------- */
+ /* VBAS : Bin-ID */
+ /* ------------- */
+ elmt = cio_read(1);
+
+ /* See for Class and CSn */
+ switch ((elmt >> 5) & 0x03) {
case 0:
- fprintf(stderr,"Forbidden value encounter in message header !!\n");
- break;
+ fprintf(stderr,
+ "Forbidden value encounter in message header !!\n");
+ break;
case 1:
- Class = 0;
- CSn = 0;
- break;
+ Class = 0;
+ CSn = 0;
+ break;
case 2:
- Class = 1;
- CSn = 0;
- break;
+ Class = 1;
+ CSn = 0;
+ break;
case 3:
- Class = 1;
- CSn = 1;
- break;
- default :
- break;
+ Class = 1;
+ CSn = 1;
+ break;
+ default:
+ break;
}
-
- /* see information on bits 'c' [p 10 : A.2.1 general, ISO/IEC FCD 15444-9] */
- if (((elmt>>3) & 0x01) == 1)
- header->last_byte = 1;
-
- /* In-class identifier */
- header->Id |= (elmt & 0x0f);
- if ((elmt>>7)==1)
- header->Id = jpt_read_VBAS_info(header->Id);
-
- /* ------------ */
- /* VBAS : Class */
- /* ------------ */
- if (Class==1)
- {
- header->Class_Id = 0;
- header->Class_Id = jpt_read_VBAS_info(header->Class_Id);
+
+ /* see information on bits 'c' [p 10 : A.2.1 general, ISO/IEC FCD 15444-9] */
+ if (((elmt >> 3) & 0x01) == 1)
+ header->last_byte = 1;
+
+ /* In-class identifier */
+ header->Id |= (elmt & 0x0f);
+ if ((elmt >> 7) == 1)
+ header->Id = jpt_read_VBAS_info(header->Id);
+
+ /* ------------ */
+ /* VBAS : Class */
+ /* ------------ */
+ if (Class == 1) {
+ header->Class_Id = 0;
+ header->Class_Id = jpt_read_VBAS_info(header->Class_Id);
}
- /* ---------- */
- /* VBAS : CSn */
- /* ---------- */
- if (CSn==1)
- {
- header->CSn_Id = 0;
- header->CSn_Id = jpt_read_VBAS_info(header->CSn_Id);
+ /* ---------- */
+ /* VBAS : CSn */
+ /* ---------- */
+ if (CSn == 1) {
+ header->CSn_Id = 0;
+ header->CSn_Id = jpt_read_VBAS_info(header->CSn_Id);
}
- /* ----------------- */
- /* VBAS : Msg_offset */
- /* ----------------- */
- header->Msg_offset = jpt_read_VBAS_info(header->Msg_offset);
-
- /* ----------------- */
- /* VBAS : Msg_length */
- /* ----------------- */
- header->Msg_length = jpt_read_VBAS_info(header->Msg_length);
-
- /* ---------- */
- /* VBAS : Aux */
- /* ---------- */
- if (header->CSn_Id == 1)
- {
- header->Layer_nb = 0;
- header->Layer_nb = jpt_read_VBAS_info(header->Layer_nb);
+ /* ----------------- */
+ /* VBAS : Msg_offset */
+ /* ----------------- */
+ header->Msg_offset = jpt_read_VBAS_info(header->Msg_offset);
+
+ /* ----------------- */
+ /* VBAS : Msg_length */
+ /* ----------------- */
+ header->Msg_length = jpt_read_VBAS_info(header->Msg_length);
+
+ /* ---------- */
+ /* VBAS : Aux */
+ /* ---------- */
+ if (header->CSn_Id == 1) {
+ header->Layer_nb = 0;
+ header->Layer_nb = jpt_read_VBAS_info(header->Layer_nb);
}
}
*
*/
typedef struct {
- unsigned int Id; /* In-class Identifier */
- unsigned int last_byte; /* Last byte information */
- unsigned int Class_Id; /* Class Identifier */
- unsigned int CSn_Id; /* CSn : index identifier */
- unsigned int Msg_offset; /* Message offset */
- unsigned int Msg_length; /* Message length */
- unsigned int Layer_nb; /* Auxiliary for JPP case */
+ unsigned int Id; /* In-class Identifier */
+ unsigned int last_byte; /* Last byte information */
+ unsigned int Class_Id; /* Class Identifier */
+ unsigned int CSn_Id; /* CSn : index identifier */
+ unsigned int Msg_offset; /* Message offset */
+ unsigned int Msg_length; /* Message length */
+ unsigned int Layer_nb; /* Auxiliary for JPP case */
} jpt_msg_header_struct_t;
/*
*
* header : Message header structure
*
- */
-void jpt_init_Msg_Header(jpt_msg_header_struct_t *header);
+ */
+void jpt_init_Msg_Header(jpt_msg_header_struct_t * header);
/*
* Read the message header for a JPP/JPT - stream
* header : Message header structure
*
*/
-void jpt_read_Msg_Header(jpt_msg_header_struct_t *header);
+void jpt_read_Msg_Header(jpt_msg_header_struct_t * header);
/* </summary> */
void mct_encode(int *c0, int *c1, int *c2, int n)
{
- int i;
- for (i = 0; i < n; i++) {
- int r, g, b, y, u, v;
- r = c0[i];
- g = c1[i];
- b = c2[i];
- y = (r + (g << 1) + b) >> 2;
- u = b - g;
- v = r - g;
- c0[i] = y;
- c1[i] = u;
- c2[i] = v;
- }
+ int i;
+ for (i = 0; i < n; i++) {
+ int r, g, b, y, u, v;
+ r = c0[i];
+ g = c1[i];
+ b = c2[i];
+ y = (r + (g << 1) + b) >> 2;
+ u = b - g;
+ v = r - g;
+ c0[i] = y;
+ c1[i] = u;
+ c2[i] = v;
+ }
}
/* <summary> */
/* </summary> */
void mct_decode(int *c0, int *c1, int *c2, int n)
{
- int i;
- for (i = 0; i < n; i++) {
- int y, u, v, r, g, b;
- y = c0[i];
- u = c1[i];
- v = c2[i];
- g = y - ((u + v) >> 2);
- r = v + g;
- b = u + g;
- c0[i] = r;
- c1[i] = g;
- c2[i] = b;
- }
+ int i;
+ for (i = 0; i < n; i++) {
+ int y, u, v, r, g, b;
+ y = c0[i];
+ u = c1[i];
+ v = c2[i];
+ g = y - ((u + v) >> 2);
+ r = v + g;
+ b = u + g;
+ c0[i] = r;
+ c1[i] = g;
+ c2[i] = b;
+ }
}
/* <summary> */
/* </summary> */
double mct_getnorm(int compno)
{
- return mct_norms[compno];
+ return mct_norms[compno];
}
/* <summary> */
/* </summary> */
void mct_encode_real(int *c0, int *c1, int *c2, int n)
{
- int i;
- for (i = 0; i < n; i++) {
- int r, g, b, y, u, v;
- r = c0[i];
- g = c1[i];
- b = c2[i];
- y = fix_mul(r, 2449) + fix_mul(g, 4809) + fix_mul(b, 934);
- u = -fix_mul(r, 1382) - fix_mul(g, 2714) + fix_mul(b, 4096);
- v = fix_mul(r, 4096) - fix_mul(g, 3430) - fix_mul(b, 666);
- c0[i] = y;
- c1[i] = u;
- c2[i] = v;
- }
+ int i;
+ for (i = 0; i < n; i++) {
+ int r, g, b, y, u, v;
+ r = c0[i];
+ g = c1[i];
+ b = c2[i];
+ y = fix_mul(r, 2449) + fix_mul(g, 4809) + fix_mul(b, 934);
+ u = -fix_mul(r, 1382) - fix_mul(g, 2714) + fix_mul(b, 4096);
+ v = fix_mul(r, 4096) - fix_mul(g, 3430) - fix_mul(b, 666);
+ c0[i] = y;
+ c1[i] = u;
+ c2[i] = v;
+ }
}
/* <summary> */
/* </summary> */
void mct_decode_real(int *c0, int *c1, int *c2, int n)
{
- int i;
- for (i = 0; i < n; i++) {
- int y, u, v, r, g, b;
- y = c0[i];
- u = c1[i];
- v = c2[i];
- r = y + fix_mul(v, 11485);
- g = y - fix_mul(u, 2819) - fix_mul(v, 5850);
- b = y + fix_mul(u, 14516);
- c0[i] = r;
- c1[i] = g;
- c2[i] = b;
- }
+ int i;
+ for (i = 0; i < n; i++) {
+ int y, u, v, r, g, b;
+ y = c0[i];
+ u = c1[i];
+ v = c2[i];
+ r = y + fix_mul(v, 11485);
+ g = y - fix_mul(u, 2819) - fix_mul(v, 5850);
+ b = y + fix_mul(u, 14516);
+ c0[i] = r;
+ c1[i] = g;
+ c2[i] = b;
+ }
}
/* <summary> */
/* </summary> */
double mct_getnorm_real(int compno)
{
- return mct_norms_real[compno];
+ return mct_norms_real[compno];
}
/* This struct defines the state of a context. */
/* </summary> */
typedef struct mqc_state_s {
- unsigned int qeval; /* the probability of the Least Probable Symbol (0.75->0x8000, 1.5->0xffff) */
- int mps; /* the Most Probable Symbol (0 or 1) */
- struct mqc_state_s *nmps; /* next state if the next encoded symbol is the MPS */
- struct mqc_state_s *nlps; /* next state if the next encoded symbol is the LPS */
+ unsigned int qeval; /* the probability of the Least Probable Symbol (0.75->0x8000, 1.5->0xffff) */
+ int mps; /* the Most Probable Symbol (0 or 1) */
+ struct mqc_state_s *nmps; /* next state if the next encoded symbol is the MPS */
+ struct mqc_state_s *nlps; /* next state if the next encoded symbol is the LPS */
} mqc_state_t;
/* <summary> */
/* This array defines all the possible states for a context. */
/* </summary> */
mqc_state_t mqc_states[47 * 2] = {
- {0x5601, 0, &mqc_states[2], &mqc_states[3]},
- {0x5601, 1, &mqc_states[3], &mqc_states[2]},
- {0x3401, 0, &mqc_states[4], &mqc_states[12]},
- {0x3401, 1, &mqc_states[5], &mqc_states[13]},
- {0x1801, 0, &mqc_states[6], &mqc_states[18]},
- {0x1801, 1, &mqc_states[7], &mqc_states[19]},
- {0x0ac1, 0, &mqc_states[8], &mqc_states[24]},
- {0x0ac1, 1, &mqc_states[9], &mqc_states[25]},
- {0x0521, 0, &mqc_states[10], &mqc_states[58]},
- {0x0521, 1, &mqc_states[11], &mqc_states[59]},
- {0x0221, 0, &mqc_states[76], &mqc_states[66]},
- {0x0221, 1, &mqc_states[77], &mqc_states[67]},
- {0x5601, 0, &mqc_states[14], &mqc_states[13]},
- {0x5601, 1, &mqc_states[15], &mqc_states[12]},
- {0x5401, 0, &mqc_states[16], &mqc_states[28]},
- {0x5401, 1, &mqc_states[17], &mqc_states[29]},
- {0x4801, 0, &mqc_states[18], &mqc_states[28]},
- {0x4801, 1, &mqc_states[19], &mqc_states[29]},
- {0x3801, 0, &mqc_states[20], &mqc_states[28]},
- {0x3801, 1, &mqc_states[21], &mqc_states[29]},
- {0x3001, 0, &mqc_states[22], &mqc_states[34]},
- {0x3001, 1, &mqc_states[23], &mqc_states[35]},
- {0x2401, 0, &mqc_states[24], &mqc_states[36]},
- {0x2401, 1, &mqc_states[25], &mqc_states[37]},
- {0x1c01, 0, &mqc_states[26], &mqc_states[40]},
- {0x1c01, 1, &mqc_states[27], &mqc_states[41]},
- {0x1601, 0, &mqc_states[58], &mqc_states[42]},
- {0x1601, 1, &mqc_states[59], &mqc_states[43]},
- {0x5601, 0, &mqc_states[30], &mqc_states[29]},
- {0x5601, 1, &mqc_states[31], &mqc_states[28]},
- {0x5401, 0, &mqc_states[32], &mqc_states[28]},
- {0x5401, 1, &mqc_states[33], &mqc_states[29]},
- {0x5101, 0, &mqc_states[34], &mqc_states[30]},
- {0x5101, 1, &mqc_states[35], &mqc_states[31]},
- {0x4801, 0, &mqc_states[36], &mqc_states[32]},
- {0x4801, 1, &mqc_states[37], &mqc_states[33]},
- {0x3801, 0, &mqc_states[38], &mqc_states[34]},
- {0x3801, 1, &mqc_states[39], &mqc_states[35]},
- {0x3401, 0, &mqc_states[40], &mqc_states[36]},
- {0x3401, 1, &mqc_states[41], &mqc_states[37]},
- {0x3001, 0, &mqc_states[42], &mqc_states[38]},
- {0x3001, 1, &mqc_states[43], &mqc_states[39]},
- {0x2801, 0, &mqc_states[44], &mqc_states[38]},
- {0x2801, 1, &mqc_states[45], &mqc_states[39]},
- {0x2401, 0, &mqc_states[46], &mqc_states[40]},
- {0x2401, 1, &mqc_states[47], &mqc_states[41]},
- {0x2201, 0, &mqc_states[48], &mqc_states[42]},
- {0x2201, 1, &mqc_states[49], &mqc_states[43]},
- {0x1c01, 0, &mqc_states[50], &mqc_states[44]},
- {0x1c01, 1, &mqc_states[51], &mqc_states[45]},
- {0x1801, 0, &mqc_states[52], &mqc_states[46]},
- {0x1801, 1, &mqc_states[53], &mqc_states[47]},
- {0x1601, 0, &mqc_states[54], &mqc_states[48]},
- {0x1601, 1, &mqc_states[55], &mqc_states[49]},
- {0x1401, 0, &mqc_states[56], &mqc_states[50]},
- {0x1401, 1, &mqc_states[57], &mqc_states[51]},
- {0x1201, 0, &mqc_states[58], &mqc_states[52]},
- {0x1201, 1, &mqc_states[59], &mqc_states[53]},
- {0x1101, 0, &mqc_states[60], &mqc_states[54]},
- {0x1101, 1, &mqc_states[61], &mqc_states[55]},
- {0x0ac1, 0, &mqc_states[62], &mqc_states[56]},
- {0x0ac1, 1, &mqc_states[63], &mqc_states[57]},
- {0x09c1, 0, &mqc_states[64], &mqc_states[58]},
- {0x09c1, 1, &mqc_states[65], &mqc_states[59]},
- {0x08a1, 0, &mqc_states[66], &mqc_states[60]},
- {0x08a1, 1, &mqc_states[67], &mqc_states[61]},
- {0x0521, 0, &mqc_states[68], &mqc_states[62]},
- {0x0521, 1, &mqc_states[69], &mqc_states[63]},
- {0x0441, 0, &mqc_states[70], &mqc_states[64]},
- {0x0441, 1, &mqc_states[71], &mqc_states[65]},
- {0x02a1, 0, &mqc_states[72], &mqc_states[66]},
- {0x02a1, 1, &mqc_states[73], &mqc_states[67]},
- {0x0221, 0, &mqc_states[74], &mqc_states[68]},
- {0x0221, 1, &mqc_states[75], &mqc_states[69]},
- {0x0141, 0, &mqc_states[76], &mqc_states[70]},
- {0x0141, 1, &mqc_states[77], &mqc_states[71]},
- {0x0111, 0, &mqc_states[78], &mqc_states[72]},
- {0x0111, 1, &mqc_states[79], &mqc_states[73]},
- {0x0085, 0, &mqc_states[80], &mqc_states[74]},
- {0x0085, 1, &mqc_states[81], &mqc_states[75]},
- {0x0049, 0, &mqc_states[82], &mqc_states[76]},
- {0x0049, 1, &mqc_states[83], &mqc_states[77]},
- {0x0025, 0, &mqc_states[84], &mqc_states[78]},
- {0x0025, 1, &mqc_states[85], &mqc_states[79]},
- {0x0015, 0, &mqc_states[86], &mqc_states[80]},
- {0x0015, 1, &mqc_states[87], &mqc_states[81]},
- {0x0009, 0, &mqc_states[88], &mqc_states[82]},
- {0x0009, 1, &mqc_states[89], &mqc_states[83]},
- {0x0005, 0, &mqc_states[90], &mqc_states[84]},
- {0x0005, 1, &mqc_states[91], &mqc_states[85]},
- {0x0001, 0, &mqc_states[90], &mqc_states[86]},
- {0x0001, 1, &mqc_states[91], &mqc_states[87]},
- {0x5601, 0, &mqc_states[92], &mqc_states[92]},
- {0x5601, 1, &mqc_states[93], &mqc_states[93]},
+ {0x5601, 0, &mqc_states[2], &mqc_states[3]},
+ {0x5601, 1, &mqc_states[3], &mqc_states[2]},
+ {0x3401, 0, &mqc_states[4], &mqc_states[12]},
+ {0x3401, 1, &mqc_states[5], &mqc_states[13]},
+ {0x1801, 0, &mqc_states[6], &mqc_states[18]},
+ {0x1801, 1, &mqc_states[7], &mqc_states[19]},
+ {0x0ac1, 0, &mqc_states[8], &mqc_states[24]},
+ {0x0ac1, 1, &mqc_states[9], &mqc_states[25]},
+ {0x0521, 0, &mqc_states[10], &mqc_states[58]},
+ {0x0521, 1, &mqc_states[11], &mqc_states[59]},
+ {0x0221, 0, &mqc_states[76], &mqc_states[66]},
+ {0x0221, 1, &mqc_states[77], &mqc_states[67]},
+ {0x5601, 0, &mqc_states[14], &mqc_states[13]},
+ {0x5601, 1, &mqc_states[15], &mqc_states[12]},
+ {0x5401, 0, &mqc_states[16], &mqc_states[28]},
+ {0x5401, 1, &mqc_states[17], &mqc_states[29]},
+ {0x4801, 0, &mqc_states[18], &mqc_states[28]},
+ {0x4801, 1, &mqc_states[19], &mqc_states[29]},
+ {0x3801, 0, &mqc_states[20], &mqc_states[28]},
+ {0x3801, 1, &mqc_states[21], &mqc_states[29]},
+ {0x3001, 0, &mqc_states[22], &mqc_states[34]},
+ {0x3001, 1, &mqc_states[23], &mqc_states[35]},
+ {0x2401, 0, &mqc_states[24], &mqc_states[36]},
+ {0x2401, 1, &mqc_states[25], &mqc_states[37]},
+ {0x1c01, 0, &mqc_states[26], &mqc_states[40]},
+ {0x1c01, 1, &mqc_states[27], &mqc_states[41]},
+ {0x1601, 0, &mqc_states[58], &mqc_states[42]},
+ {0x1601, 1, &mqc_states[59], &mqc_states[43]},
+ {0x5601, 0, &mqc_states[30], &mqc_states[29]},
+ {0x5601, 1, &mqc_states[31], &mqc_states[28]},
+ {0x5401, 0, &mqc_states[32], &mqc_states[28]},
+ {0x5401, 1, &mqc_states[33], &mqc_states[29]},
+ {0x5101, 0, &mqc_states[34], &mqc_states[30]},
+ {0x5101, 1, &mqc_states[35], &mqc_states[31]},
+ {0x4801, 0, &mqc_states[36], &mqc_states[32]},
+ {0x4801, 1, &mqc_states[37], &mqc_states[33]},
+ {0x3801, 0, &mqc_states[38], &mqc_states[34]},
+ {0x3801, 1, &mqc_states[39], &mqc_states[35]},
+ {0x3401, 0, &mqc_states[40], &mqc_states[36]},
+ {0x3401, 1, &mqc_states[41], &mqc_states[37]},
+ {0x3001, 0, &mqc_states[42], &mqc_states[38]},
+ {0x3001, 1, &mqc_states[43], &mqc_states[39]},
+ {0x2801, 0, &mqc_states[44], &mqc_states[38]},
+ {0x2801, 1, &mqc_states[45], &mqc_states[39]},
+ {0x2401, 0, &mqc_states[46], &mqc_states[40]},
+ {0x2401, 1, &mqc_states[47], &mqc_states[41]},
+ {0x2201, 0, &mqc_states[48], &mqc_states[42]},
+ {0x2201, 1, &mqc_states[49], &mqc_states[43]},
+ {0x1c01, 0, &mqc_states[50], &mqc_states[44]},
+ {0x1c01, 1, &mqc_states[51], &mqc_states[45]},
+ {0x1801, 0, &mqc_states[52], &mqc_states[46]},
+ {0x1801, 1, &mqc_states[53], &mqc_states[47]},
+ {0x1601, 0, &mqc_states[54], &mqc_states[48]},
+ {0x1601, 1, &mqc_states[55], &mqc_states[49]},
+ {0x1401, 0, &mqc_states[56], &mqc_states[50]},
+ {0x1401, 1, &mqc_states[57], &mqc_states[51]},
+ {0x1201, 0, &mqc_states[58], &mqc_states[52]},
+ {0x1201, 1, &mqc_states[59], &mqc_states[53]},
+ {0x1101, 0, &mqc_states[60], &mqc_states[54]},
+ {0x1101, 1, &mqc_states[61], &mqc_states[55]},
+ {0x0ac1, 0, &mqc_states[62], &mqc_states[56]},
+ {0x0ac1, 1, &mqc_states[63], &mqc_states[57]},
+ {0x09c1, 0, &mqc_states[64], &mqc_states[58]},
+ {0x09c1, 1, &mqc_states[65], &mqc_states[59]},
+ {0x08a1, 0, &mqc_states[66], &mqc_states[60]},
+ {0x08a1, 1, &mqc_states[67], &mqc_states[61]},
+ {0x0521, 0, &mqc_states[68], &mqc_states[62]},
+ {0x0521, 1, &mqc_states[69], &mqc_states[63]},
+ {0x0441, 0, &mqc_states[70], &mqc_states[64]},
+ {0x0441, 1, &mqc_states[71], &mqc_states[65]},
+ {0x02a1, 0, &mqc_states[72], &mqc_states[66]},
+ {0x02a1, 1, &mqc_states[73], &mqc_states[67]},
+ {0x0221, 0, &mqc_states[74], &mqc_states[68]},
+ {0x0221, 1, &mqc_states[75], &mqc_states[69]},
+ {0x0141, 0, &mqc_states[76], &mqc_states[70]},
+ {0x0141, 1, &mqc_states[77], &mqc_states[71]},
+ {0x0111, 0, &mqc_states[78], &mqc_states[72]},
+ {0x0111, 1, &mqc_states[79], &mqc_states[73]},
+ {0x0085, 0, &mqc_states[80], &mqc_states[74]},
+ {0x0085, 1, &mqc_states[81], &mqc_states[75]},
+ {0x0049, 0, &mqc_states[82], &mqc_states[76]},
+ {0x0049, 1, &mqc_states[83], &mqc_states[77]},
+ {0x0025, 0, &mqc_states[84], &mqc_states[78]},
+ {0x0025, 1, &mqc_states[85], &mqc_states[79]},
+ {0x0015, 0, &mqc_states[86], &mqc_states[80]},
+ {0x0015, 1, &mqc_states[87], &mqc_states[81]},
+ {0x0009, 0, &mqc_states[88], &mqc_states[82]},
+ {0x0009, 1, &mqc_states[89], &mqc_states[83]},
+ {0x0005, 0, &mqc_states[90], &mqc_states[84]},
+ {0x0005, 1, &mqc_states[91], &mqc_states[85]},
+ {0x0001, 0, &mqc_states[90], &mqc_states[86]},
+ {0x0001, 1, &mqc_states[91], &mqc_states[87]},
+ {0x5601, 0, &mqc_states[92], &mqc_states[92]},
+ {0x5601, 1, &mqc_states[93], &mqc_states[93]},
};
#define MQC_NUMCTXS 32
/* </summary> */
int mqc_numbytes()
{
- return mqc_bp - mqc_start;
+ return mqc_bp - mqc_start;
}
/* <summary> */
/* </summary> */
void mqc_byteout()
{
- if (*mqc_bp == 0xff) {
+ if (*mqc_bp == 0xff) {
+ mqc_bp++;
+ *mqc_bp = mqc_c >> 20;
+ mqc_c &= 0xfffff;
+ mqc_ct = 7;
+ } else {
+ if ((mqc_c & 0x8000000) == 0) { /* ((mqc_c&0x8000000)==0) CHANGE */
+ mqc_bp++;
+ *mqc_bp = mqc_c >> 19;
+ mqc_c &= 0x7ffff;
+ mqc_ct = 8;
+ } else {
+ (*mqc_bp)++;
+ if (*mqc_bp == 0xff) {
+ mqc_c &= 0x7ffffff;
mqc_bp++;
*mqc_bp = mqc_c >> 20;
mqc_c &= 0xfffff;
mqc_ct = 7;
- } else {
- if ((mqc_c & 0x8000000) == 0) { /* ((mqc_c&0x8000000)==0) CHANGE */
- mqc_bp++;
- *mqc_bp = mqc_c >> 19;
- mqc_c &= 0x7ffff;
- mqc_ct = 8;
- } else {
- (*mqc_bp)++;
- if (*mqc_bp == 0xff) {
- mqc_c &= 0x7ffffff;
- mqc_bp++;
- *mqc_bp = mqc_c >> 20;
- mqc_c &= 0xfffff;
- mqc_ct = 7;
- } else {
- mqc_bp++;
- *mqc_bp = mqc_c >> 19;
- mqc_c &= 0x7ffff;
- mqc_ct = 8;
- }
- }
+ } else {
+ mqc_bp++;
+ *mqc_bp = mqc_c >> 19;
+ mqc_c &= 0x7ffff;
+ mqc_ct = 8;
+ }
}
+ }
}
/* <summary> */
/* </summary> */
void mqc_renorme()
{
- do {
- mqc_a <<= 1;
- mqc_c <<= 1;
- mqc_ct--;
- if (mqc_ct == 0) {
- mqc_byteout();
- }
- } while ((mqc_a & 0x8000) == 0);
+ do {
+ mqc_a <<= 1;
+ mqc_c <<= 1;
+ mqc_ct--;
+ if (mqc_ct == 0) {
+ mqc_byteout();
+ }
+ } while ((mqc_a & 0x8000) == 0);
}
/* <summary> */
/* </summary> */
void mqc_codemps()
{
- mqc_a -= (*mqc_curctx)->qeval;
- if ((mqc_a & 0x8000) == 0) {
- if (mqc_a < (*mqc_curctx)->qeval) {
- mqc_a = (*mqc_curctx)->qeval;
- } else {
- mqc_c += (*mqc_curctx)->qeval;
- }
- *mqc_curctx = (*mqc_curctx)->nmps;
- mqc_renorme();
+ mqc_a -= (*mqc_curctx)->qeval;
+ if ((mqc_a & 0x8000) == 0) {
+ if (mqc_a < (*mqc_curctx)->qeval) {
+ mqc_a = (*mqc_curctx)->qeval;
} else {
- mqc_c += (*mqc_curctx)->qeval;
+ mqc_c += (*mqc_curctx)->qeval;
}
+ *mqc_curctx = (*mqc_curctx)->nmps;
+ mqc_renorme();
+ } else {
+ mqc_c += (*mqc_curctx)->qeval;
+ }
}
/* <summary> */
/* </summary> */
void mqc_codelps()
{
- mqc_a -= (*mqc_curctx)->qeval;
- if (mqc_a < (*mqc_curctx)->qeval) {
- mqc_c += (*mqc_curctx)->qeval;
- } else {
- mqc_a = (*mqc_curctx)->qeval;
- }
- *mqc_curctx = (*mqc_curctx)->nlps;
- mqc_renorme();
+ mqc_a -= (*mqc_curctx)->qeval;
+ if (mqc_a < (*mqc_curctx)->qeval) {
+ mqc_c += (*mqc_curctx)->qeval;
+ } else {
+ mqc_a = (*mqc_curctx)->qeval;
+ }
+ *mqc_curctx = (*mqc_curctx)->nlps;
+ mqc_renorme();
}
/* <summary> */
/* <param name="bp">Output buffer.</param> */
void mqc_init_enc(unsigned char *bp)
{
- mqc_setcurctx(0);
- mqc_a = 0x8000;
- mqc_c = 0;
- mqc_bp = bp - 1;
- mqc_ct = 12;
- if (*mqc_bp == 0xff) {
- mqc_ct = 13;
- }
- mqc_start = bp;
+ mqc_setcurctx(0);
+ mqc_a = 0x8000;
+ mqc_c = 0;
+ mqc_bp = bp - 1;
+ mqc_ct = 12;
+ if (*mqc_bp == 0xff) {
+ mqc_ct = 13;
+ }
+ mqc_start = bp;
}
/* <summary> */
/* <param name="ctxno">Context number.</param> */
void mqc_setcurctx(int ctxno)
{
- mqc_curctx = &mqc_ctxs[ctxno];
+ mqc_curctx = &mqc_ctxs[ctxno];
}
/* <summary> */
/* <param name="d"> The symbol to be encoded (0 or 1).</param> */
void mqc_encode(int d)
{
- if ((*mqc_curctx)->mps == d) {
- mqc_codemps();
- } else {
- mqc_codelps();
- }
+ if ((*mqc_curctx)->mps == d) {
+ mqc_codemps();
+ } else {
+ mqc_codelps();
+ }
}
/* <summary> */
/* </summary> */
void mqc_setbits()
{
- unsigned int tempc = mqc_c + mqc_a;
- mqc_c |= 0xffff;
- if (mqc_c >= tempc) {
- mqc_c -= 0x8000;
- }
+ unsigned int tempc = mqc_c + mqc_a;
+ mqc_c |= 0xffff;
+ if (mqc_c >= tempc) {
+ mqc_c -= 0x8000;
+ }
}
/* <summary> */
/* </summary> */
void mqc_flush()
{
- mqc_setbits();
- mqc_c <<= mqc_ct;
- mqc_byteout();
- mqc_c <<= mqc_ct;
- mqc_byteout();
-
- if (*mqc_bp != 0xff) {
- mqc_bp++;
- }
+ mqc_setbits();
+ mqc_c <<= mqc_ct;
+ mqc_byteout();
+ mqc_c <<= mqc_ct;
+ mqc_byteout();
+
+ if (*mqc_bp != 0xff) {
+ mqc_bp++;
+ }
}
/* <summary> */
/* </summary> */
void mqc_bypass_init_enc()
{
- mqc_c = 0;
- mqc_ct = 8;
- /*if (*mqc_bp == 0xff) {
- mqc_ct = 7;
- }*/
+ mqc_c = 0;
+ mqc_ct = 8;
+ /*if (*mqc_bp == 0xff) {
+ mqc_ct = 7;
+ } */
}
/* <summary> */
/* </summary> */
void mqc_bypass_enc(int d)
{
- mqc_ct--;
- mqc_c = mqc_c + (d << mqc_ct);
- if (mqc_ct == 0)
- {
- mqc_bp++;
- *mqc_bp = mqc_c;
- mqc_ct = 8;
- if (*mqc_bp == 0xff) {
- mqc_ct = 7;
- }
- mqc_c = 0;
- }
+ mqc_ct--;
+ mqc_c = mqc_c + (d << mqc_ct);
+ if (mqc_ct == 0) {
+ mqc_bp++;
+ *mqc_bp = mqc_c;
+ mqc_ct = 8;
+ if (*mqc_bp == 0xff) {
+ mqc_ct = 7;
+ }
+ mqc_c = 0;
+ }
}
/* <summary> */
/* </summary> */
int mqc_bypass_flush_enc()
{
- unsigned char bit_padding;
+ unsigned char bit_padding;
- bit_padding = 0;
+ bit_padding = 0;
- if (mqc_ct != 0) {
- while (mqc_ct > 0) {
- mqc_ct--;
- mqc_c += bit_padding << mqc_ct;
- bit_padding = (bit_padding + 1) & 0x01;
- }
- mqc_bp++;
- *mqc_bp = mqc_c;
- mqc_ct = 8;
- mqc_c = 0;
+ if (mqc_ct != 0) {
+ while (mqc_ct > 0) {
+ mqc_ct--;
+ mqc_c += bit_padding << mqc_ct;
+ bit_padding = (bit_padding + 1) & 0x01;
}
+ mqc_bp++;
+ *mqc_bp = mqc_c;
+ mqc_ct = 8;
+ mqc_c = 0;
+ }
- return 1;
+ return 1;
}
/* <summary> */
/* </summary> */
void mqc_reset_enc()
{
- mqc_resetstates();
- mqc_setstate(18, 0, 46);
- mqc_setstate(0, 0, 3);
- mqc_setstate(1, 0, 4);
+ mqc_resetstates();
+ mqc_setstate(18, 0, 46);
+ mqc_setstate(0, 0, 3);
+ mqc_setstate(1, 0, 4);
}
/* <summary> */
/* </summary> */
int mqc_restart_enc()
{
- int correction = 1;
+ int correction = 1;
- /* <flush part> */
- int n = 27 - 15 - mqc_ct;
- mqc_c <<= mqc_ct;
- while (n > 0) {
- mqc_byteout();
- n -= mqc_ct;
- mqc_c <<= mqc_ct;
- }
+ /* <flush part> */
+ int n = 27 - 15 - mqc_ct;
+ mqc_c <<= mqc_ct;
+ while (n > 0) {
mqc_byteout();
+ n -= mqc_ct;
+ mqc_c <<= mqc_ct;
+ }
+ mqc_byteout();
- return correction;
+ return correction;
}
/* <summary> */
/* </summary> */
void mqc_restart_init_enc()
{
- /* <Re-init part> */
- mqc_setcurctx(0);
- mqc_a = 0x8000;
- mqc_c = 0;
- mqc_ct = 12;
- mqc_bp--;
- if (*mqc_bp == 0xff) {
- mqc_ct = 13;
- }
+ /* <Re-init part> */
+ mqc_setcurctx(0);
+ mqc_a = 0x8000;
+ mqc_c = 0;
+ mqc_ct = 12;
+ mqc_bp--;
+ if (*mqc_bp == 0xff) {
+ mqc_ct = 13;
+ }
}
/* </summary> */
void mqc_erterm_enc()
{
- int k = 11 - mqc_ct + 1;
+ int k = 11 - mqc_ct + 1;
- while (k > 0) {
- mqc_c <<= mqc_ct;
- mqc_ct = 0;
- mqc_byteout();
- k -= mqc_ct;
- }
+ while (k > 0) {
+ mqc_c <<= mqc_ct;
+ mqc_ct = 0;
+ mqc_byteout();
+ k -= mqc_ct;
+ }
- if (*mqc_bp != 0xff) {
- mqc_byteout();
- }
+ if (*mqc_bp != 0xff) {
+ mqc_byteout();
+ }
}
/* <summary> */
/* </summary> */
void mqc_segmark_enc()
{
- int i;
- mqc_setcurctx(18);
+ int i;
+ mqc_setcurctx(18);
- for (i = 1; i < 5; i++) {
- mqc_encode(i % 2);
- }
+ for (i = 1; i < 5; i++) {
+ mqc_encode(i % 2);
+ }
}
/* <summary> */
/* </summary> */
int mqc_mpsexchange()
{
- int d;
- if (mqc_a < (*mqc_curctx)->qeval) {
- d = 1 - (*mqc_curctx)->mps;
- *mqc_curctx = (*mqc_curctx)->nlps;
- } else {
- d = (*mqc_curctx)->mps;
- *mqc_curctx = (*mqc_curctx)->nmps;
- }
- return d;
+ int d;
+ if (mqc_a < (*mqc_curctx)->qeval) {
+ d = 1 - (*mqc_curctx)->mps;
+ *mqc_curctx = (*mqc_curctx)->nlps;
+ } else {
+ d = (*mqc_curctx)->mps;
+ *mqc_curctx = (*mqc_curctx)->nmps;
+ }
+ return d;
}
/* <summary> */
/* </summary> */
int mqc_lpsexchange()
{
- int d;
- if (mqc_a < (*mqc_curctx)->qeval) {
- mqc_a = (*mqc_curctx)->qeval;
- d = (*mqc_curctx)->mps;
- *mqc_curctx = (*mqc_curctx)->nmps;
- } else {
- mqc_a = (*mqc_curctx)->qeval;
- d = 1 - (*mqc_curctx)->mps;
- *mqc_curctx = (*mqc_curctx)->nlps;
- }
- return d;
+ int d;
+ if (mqc_a < (*mqc_curctx)->qeval) {
+ mqc_a = (*mqc_curctx)->qeval;
+ d = (*mqc_curctx)->mps;
+ *mqc_curctx = (*mqc_curctx)->nmps;
+ } else {
+ mqc_a = (*mqc_curctx)->qeval;
+ d = 1 - (*mqc_curctx)->mps;
+ *mqc_curctx = (*mqc_curctx)->nlps;
+ }
+ return d;
}
/* <summary> */
/* </summary> */
void mqc_bytein()
{
- if (mqc_bp != mqc_end) {
- unsigned int c;
- if (mqc_bp + 1 != mqc_end) {
- c = *(mqc_bp + 1);
- } else {
- c = 0xff;
- }
- if (*mqc_bp == 0xff) {
- if (c > 0x8f) {
- mqc_c += 0xff00;
- mqc_ct = 8;
- } else {
- mqc_bp++;
- mqc_c += c << 9;
- mqc_ct = 7;
- }
- } else {
- mqc_bp++;
- mqc_c += c << 8;
- mqc_ct = 8;
- }
+ if (mqc_bp != mqc_end) {
+ unsigned int c;
+ if (mqc_bp + 1 != mqc_end) {
+ c = *(mqc_bp + 1);
} else {
+ c = 0xff;
+ }
+ if (*mqc_bp == 0xff) {
+ if (c > 0x8f) {
mqc_c += 0xff00;
mqc_ct = 8;
+ } else {
+ mqc_bp++;
+ mqc_c += c << 9;
+ mqc_ct = 7;
+ }
+ } else {
+ mqc_bp++;
+ mqc_c += c << 8;
+ mqc_ct = 8;
}
+ } else {
+ mqc_c += 0xff00;
+ mqc_ct = 8;
+ }
}
/* <summary> */
/* </summary> */
void mqc_renormd()
{
- do {
- if (mqc_ct == 0) {
- mqc_bytein();
- }
- mqc_a <<= 1;
- mqc_c <<= 1;
- mqc_ct--;
- } while (mqc_a < 0x8000);
+ do {
+ if (mqc_ct == 0) {
+ mqc_bytein();
+ }
+ mqc_a <<= 1;
+ mqc_c <<= 1;
+ mqc_ct--;
+ } while (mqc_a < 0x8000);
}
/* <summary> */
/* </summary> */
void mqc_init_dec(unsigned char *bp, int len)
{
- mqc_setcurctx(0);
- mqc_start = bp;
- mqc_end = bp + len;
- mqc_bp = bp;
- mqc_c = *mqc_bp << 16;
- mqc_bytein();
- mqc_c <<= 7;
- mqc_ct -= 7;
- mqc_a = 0x8000;
+ mqc_setcurctx(0);
+ mqc_start = bp;
+ mqc_end = bp + len;
+ mqc_bp = bp;
+ mqc_c = *mqc_bp << 16;
+ mqc_bytein();
+ mqc_c <<= 7;
+ mqc_ct -= 7;
+ mqc_a = 0x8000;
}
/* <summary> */
/* </summary> */
int mqc_decode()
{
- int d;
- mqc_a -= (*mqc_curctx)->qeval;
- if ((mqc_c >> 16) < (*mqc_curctx)->qeval) {
- d = mqc_lpsexchange();
- mqc_renormd();
+ int d;
+ mqc_a -= (*mqc_curctx)->qeval;
+ if ((mqc_c >> 16) < (*mqc_curctx)->qeval) {
+ d = mqc_lpsexchange();
+ mqc_renormd();
+ } else {
+ mqc_c -= (*mqc_curctx)->qeval << 16;
+ if ((mqc_a & 0x8000) == 0) {
+ d = mqc_mpsexchange();
+ mqc_renormd();
} else {
- mqc_c -= (*mqc_curctx)->qeval << 16;
- if ((mqc_a & 0x8000) == 0) {
- d = mqc_mpsexchange();
- mqc_renormd();
- } else {
- d = (*mqc_curctx)->mps;
- }
+ d = (*mqc_curctx)->mps;
}
- return d;
+ }
+ return d;
}
/* <summary> */
/* </summary> */
void mqc_resetstates()
{
- int i;
- for (i = 0; i < MQC_NUMCTXS; i++) {
- mqc_ctxs[i] = mqc_states;
- }
+ int i;
+ for (i = 0; i < MQC_NUMCTXS; i++) {
+ mqc_ctxs[i] = mqc_states;
+ }
}
/* <summary> */
/* <param name="prob">Index to the probability of symbols</param> */
void mqc_setstate(int ctxno, int msb, int prob)
{
- mqc_ctxs[ctxno] = &mqc_states[msb + (prob << 1)];
+ mqc_ctxs[ctxno] = &mqc_states[msb + (prob << 1)];
}
* </summary> */
pi_iterator_t *pi_create(j2k_image_t * img, j2k_cp_t * cp, int tileno)
{
- int p, q, i;
- int compno, resno, pino;
- int maxres = 0;
- pi_iterator_t *pi;
- j2k_tcp_t *tcp;
- j2k_tccp_t *tccp;
+ int p, q, i;
+ int compno, resno, pino;
+ int maxres = 0;
+ pi_iterator_t *pi;
+ j2k_tcp_t *tcp;
+ j2k_tccp_t *tccp;
- tcp = &cp->tcps[tileno];
- pi = (pi_iterator_t *) malloc((tcp->numpocs + 1) * sizeof(pi_iterator_t));
+ tcp = &cp->tcps[tileno];
+ pi = (pi_iterator_t *) malloc((tcp->numpocs + 1) *
+ sizeof(pi_iterator_t));
- for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */
- p = tileno % cp->tw;
- q = tileno / cp->tw;
+ for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */
+ p = tileno % cp->tw;
+ q = tileno / cp->tw;
- pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
- pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
- pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
- pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
- pi[pino].numcomps = img->numcomps;
- pi[pino].comps = (pi_comp_t *) malloc(img->numcomps * sizeof(pi_comp_t));
+ pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
+ pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
+ pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
+ pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
+ pi[pino].numcomps = img->numcomps;
+ pi[pino].comps =
+ (pi_comp_t *) malloc(img->numcomps * sizeof(pi_comp_t));
- for (compno = 0; compno < pi->numcomps; compno++) {
- int tcx0, tcy0, tcx1, tcy1;
- pi_comp_t *comp = &pi[pino].comps[compno];
- tccp = &tcp->tccps[compno];
- comp->dx = img->comps[compno].dx;
- comp->dy = img->comps[compno].dy;
- comp->numresolutions = tccp->numresolutions;
- comp->resolutions = (pi_resolution_t *) malloc(comp->numresolutions * sizeof(pi_resolution_t));
- tcx0 = int_ceildiv(pi->tx0, comp->dx);
- tcy0 = int_ceildiv(pi->ty0, comp->dy);
- tcx1 = int_ceildiv(pi->tx1, comp->dx);
- tcy1 = int_ceildiv(pi->ty1, comp->dy);
- if (comp->numresolutions > maxres) {
- maxres = comp->numresolutions;
- }
- for (resno = 0; resno < comp->numresolutions; resno++) {
- int levelno;
- int rx0, ry0, rx1, ry1;
- int px0, py0, px1, py1;
- pi_resolution_t *res = &comp->resolutions[resno];
- if (tccp->csty & J2K_CCP_CSTY_PRT) {
- res->pdx = tccp->prcw[resno];
- res->pdy = tccp->prch[resno];
- } else {
- res->pdx = 15;
- res->pdy = 15;
- }
- levelno = comp->numresolutions - 1 - resno;
- rx0 = int_ceildivpow2(tcx0, levelno);
- ry0 = int_ceildivpow2(tcy0, levelno);
- rx1 = int_ceildivpow2(tcx1, levelno);
- ry1 = int_ceildivpow2(tcy1, levelno);
- px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
- py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
- px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
- py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
- res->pw = (px1 - px0) >> res->pdx;
- res->ph = (py1 - py0) >> res->pdy;
- }
+ for (compno = 0; compno < pi->numcomps; compno++) {
+ int tcx0, tcy0, tcx1, tcy1;
+ pi_comp_t *comp = &pi[pino].comps[compno];
+ tccp = &tcp->tccps[compno];
+ comp->dx = img->comps[compno].dx;
+ comp->dy = img->comps[compno].dy;
+ comp->numresolutions = tccp->numresolutions;
+ comp->resolutions =
+ (pi_resolution_t *) malloc(comp->numresolutions *
+ sizeof(pi_resolution_t));
+ tcx0 = int_ceildiv(pi->tx0, comp->dx);
+ tcy0 = int_ceildiv(pi->ty0, comp->dy);
+ tcx1 = int_ceildiv(pi->tx1, comp->dx);
+ tcy1 = int_ceildiv(pi->ty1, comp->dy);
+ if (comp->numresolutions > maxres) {
+ maxres = comp->numresolutions;
+ }
+ for (resno = 0; resno < comp->numresolutions; resno++) {
+ int levelno;
+ int rx0, ry0, rx1, ry1;
+ int px0, py0, px1, py1;
+ pi_resolution_t *res = &comp->resolutions[resno];
+ if (tccp->csty & J2K_CCP_CSTY_PRT) {
+ res->pdx = tccp->prcw[resno];
+ res->pdy = tccp->prch[resno];
+ } else {
+ res->pdx = 15;
+ res->pdy = 15;
}
-
- tccp = &tcp->tccps[0];
- pi[pino].step_p=1;
- pi[pino].step_c=100*pi[pino].step_p;
- pi[pino].step_r=img->numcomps*pi[pino].step_c;
- pi[pino].step_l=maxres*pi[pino].step_r;
+ levelno = comp->numresolutions - 1 - resno;
+ rx0 = int_ceildivpow2(tcx0, levelno);
+ ry0 = int_ceildivpow2(tcy0, levelno);
+ rx1 = int_ceildivpow2(tcx1, levelno);
+ ry1 = int_ceildivpow2(tcy1, levelno);
+ px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
+ py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
+ px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
+ py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
+ res->pw = (px1 - px0) >> res->pdx;
+ res->ph = (py1 - py0) >> res->pdy;
+ }
+ }
- if (pino==0)
- {
- pi[pino].include = (short int*)malloc(img->numcomps*maxres*tcp->numlayers*100*sizeof(short int));
- for (i=0 ; i<img->numcomps*maxres*tcp->numlayers*100; i++)
- pi[pino].include[i]=0;
- }
- /* pi[pino].include=(short int*)calloc(img->numcomps*maxres*tcp->numlayers*1000,sizeof(short int));*/
- else
- pi[pino].include=pi[pino-1].include;
+ tccp = &tcp->tccps[0];
+ pi[pino].step_p = 1;
+ pi[pino].step_c = 100 * pi[pino].step_p;
+ pi[pino].step_r = img->numcomps * pi[pino].step_c;
+ pi[pino].step_l = maxres * pi[pino].step_r;
- if (tcp->POC == 0) {
- pi[pino].first = 1;
- pi[pino].poc.resno0 = 0;
- pi[pino].poc.compno0 = 0;
- pi[pino].poc.layno1 = tcp->numlayers;
- pi[pino].poc.resno1 = maxres;
- pi[pino].poc.compno1 = img->numcomps;
- pi[pino].poc.prg = tcp->prg;
- } else {
- pi[pino].first = 1;
- pi[pino].poc.resno0 = tcp->pocs[pino].resno0;
- pi[pino].poc.compno0 = tcp->pocs[pino].compno0;
- pi[pino].poc.layno1 = tcp->pocs[pino].layno1;
- pi[pino].poc.resno1 = tcp->pocs[pino].resno1;
- pi[pino].poc.compno1 = tcp->pocs[pino].compno1;
- pi[pino].poc.prg = tcp->pocs[pino].prg;
- }
+ if (pino == 0) {
+ pi[pino].include =
+ (short int *) malloc(img->numcomps * maxres *
+ tcp->numlayers * 100 *
+ sizeof(short int));
+ for (i = 0; i < img->numcomps * maxres * tcp->numlayers * 100;
+ i++)
+ pi[pino].include[i] = 0;
+ }
+ /* pi[pino].include=(short int*)calloc(img->numcomps*maxres*tcp->numlayers*1000,sizeof(short int)); */
+ else
+ pi[pino].include = pi[pino - 1].include;
+
+ if (tcp->POC == 0) {
+ pi[pino].first = 1;
+ pi[pino].poc.resno0 = 0;
+ pi[pino].poc.compno0 = 0;
+ pi[pino].poc.layno1 = tcp->numlayers;
+ pi[pino].poc.resno1 = maxres;
+ pi[pino].poc.compno1 = img->numcomps;
+ pi[pino].poc.prg = tcp->prg;
+ } else {
+ pi[pino].first = 1;
+ pi[pino].poc.resno0 = tcp->pocs[pino].resno0;
+ pi[pino].poc.compno0 = tcp->pocs[pino].compno0;
+ pi[pino].poc.layno1 = tcp->pocs[pino].layno1;
+ pi[pino].poc.resno1 = tcp->pocs[pino].resno1;
+ pi[pino].poc.compno1 = tcp->pocs[pino].compno1;
+ pi[pino].poc.prg = tcp->pocs[pino].prg;
}
- return pi;
+ }
+ return pi;
}
/* <summary>
* </summary> */
int pi_next_lrcp(pi_iterator_t * pi)
{
- pi_comp_t *comp;
- pi_resolution_t *res;
+ pi_comp_t *comp;
+ pi_resolution_t *res;
- if (!pi->first) {
+ if (!pi->first) {
+ comp = &pi->comps[pi->compno];
+ res = &comp->resolutions[pi->resno];
+ goto skip;
+ } else {
+ pi->first = 0;
+ }
+ for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+ for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
+ pi->resno++) {
+ for (pi->compno = pi->poc.compno0;
+ pi->compno < pi->poc.compno1; pi->compno++) {
comp = &pi->comps[pi->compno];
+ if (pi->resno >= comp->numresolutions) {
+ continue;
+ }
res = &comp->resolutions[pi->resno];
- goto skip;
- } else {
- pi->first = 0;
- }
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
- comp = &pi->comps[pi->compno];
- if (pi->resno >= comp->numresolutions) {
- continue;
- }
- res = &comp->resolutions[pi->resno];
- for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++)
- {
- if (!pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p]){
- pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p] = 1;
- return 1;
- }
- skip:;
+ for (pi->precno = 0; pi->precno < res->pw * res->ph;
+ pi->precno++) {
+ if (!pi->
+ include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p]) {
+ pi->include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p] = 1;
+ return 1;
+ }
+ skip:;
}
}
- }
}
- return 0;
+ }
+ return 0;
}
/* <summary>
* </summary> */
int pi_next_rlcp(pi_iterator_t * pi)
{
- pi_comp_t *comp;
- pi_resolution_t *res;
- if (!pi->first) {
+ pi_comp_t *comp;
+ pi_resolution_t *res;
+ if (!pi->first) {
+ comp = &pi->comps[pi->compno];
+ res = &comp->resolutions[pi->resno];
+ goto skip;
+ } else {
+ pi->first = 0;
+ }
+ for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
+ pi->resno++) {
+ for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+ for (pi->compno = pi->poc.compno0;
+ pi->compno < pi->poc.compno1; pi->compno++) {
comp = &pi->comps[pi->compno];
+ if (pi->resno >= comp->numresolutions) {
+ continue;
+ }
res = &comp->resolutions[pi->resno];
- goto skip;
- } else {
- pi->first = 0;
- }
- for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1;
- pi->compno++) {
- comp = &pi->comps[pi->compno];
- if (pi->resno >= comp->numresolutions) {
- continue;
- }
- res = &comp->resolutions[pi->resno];
- for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
- if (!pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p]){
- pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p] = 1;
- return 1;
- }
- skip:;
- }
- }
+ for (pi->precno = 0; pi->precno < res->pw * res->ph;
+ pi->precno++) {
+ if (!pi->
+ include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p]) {
+ pi->include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p] = 1;
+ return 1;
+ }
+ skip:;
}
+ }
}
- return 0;
+ }
+ return 0;
}
/* <summary>
* </summary> */
int pi_next_rpcl(pi_iterator_t * pi)
{
- pi_comp_t *comp;
- pi_resolution_t *res;
- if (!pi->first) {
- goto skip;
- } else {
- int compno, resno;
- pi->first = 0;
- pi->dx = 0;
- pi->dy = 0;
- for (compno = 0; compno < pi->numcomps; compno++) {
- comp = &pi->comps[compno];
- for (resno = 0; resno < comp->numresolutions; resno++) {
- int dx, dy;
- res = &comp->resolutions[resno];
- dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
- dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
- pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
- pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
- }
- }
+ pi_comp_t *comp;
+ pi_resolution_t *res;
+ if (!pi->first) {
+ goto skip;
+ } else {
+ int compno, resno;
+ pi->first = 0;
+ pi->dx = 0;
+ pi->dy = 0;
+ for (compno = 0; compno < pi->numcomps; compno++) {
+ comp = &pi->comps[compno];
+ for (resno = 0; resno < comp->numresolutions; resno++) {
+ int dx, dy;
+ res = &comp->resolutions[resno];
+ dx = comp->dx *
+ (1 << (res->pdx + comp->numresolutions - 1 - resno));
+ dy = comp->dy *
+ (1 << (res->pdy + comp->numresolutions - 1 - resno));
+ pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
+ pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
+ }
}
- for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
- for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
- for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
- int levelno;
- int trx0, try0;
- int rpx, rpy;
- int prci, prcj;
- comp = &pi->comps[pi->compno];
- if (pi->resno >= comp->numresolutions) {
- continue;
- }
- res = &comp->resolutions[pi->resno];
- levelno = comp->numresolutions - 1 - pi->resno;
- trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
- try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
- rpx = res->pdx + levelno;
- rpy = res->pdy + levelno;
- if (!(pi->x % (comp->dx << rpx) == 0 || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
- continue;
- }
- if (!(pi->y % (comp->dy << rpy) == 0 || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
- continue;
- }
- prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno),
- res->pdx) - int_floordivpow2(trx0, res->pdx);
- prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno),
- res->pdy) - int_floordivpow2(try0, res->pdy);
- pi->precno = prci + prcj * res->pw;
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- if (!pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p]){
- pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p] = 1;
- return 1;
- }
- skip:;
- }
- }
+ }
+ for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
+ pi->resno++) {
+ for (pi->y = pi->ty0; pi->y < pi->ty1;
+ pi->y += pi->dy - (pi->y % pi->dy)) {
+ for (pi->x = pi->tx0; pi->x < pi->tx1;
+ pi->x += pi->dx - (pi->x % pi->dx)) {
+ for (pi->compno = pi->poc.compno0;
+ pi->compno < pi->poc.compno1; pi->compno++) {
+ int levelno;
+ int trx0, try0;
+ int rpx, rpy;
+ int prci, prcj;
+ comp = &pi->comps[pi->compno];
+ if (pi->resno >= comp->numresolutions) {
+ continue;
+ }
+ res = &comp->resolutions[pi->resno];
+ levelno = comp->numresolutions - 1 - pi->resno;
+ trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
+ try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
+ rpx = res->pdx + levelno;
+ rpy = res->pdy + levelno;
+ if (!
+ (pi->x % (comp->dx << rpx) == 0
+ || (pi->x == pi->tx0
+ && (trx0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+ if (!
+ (pi->y % (comp->dy << rpy) == 0
+ || (pi->y == pi->ty0
+ && (try0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+ prci =
+ int_floordivpow2(int_ceildiv
+ (pi->x, comp->dx << levelno),
+ res->pdx) - int_floordivpow2(trx0,
+ res->
+ pdx);
+ prcj =
+ int_floordivpow2(int_ceildiv
+ (pi->y, comp->dy << levelno),
+ res->pdy) - int_floordivpow2(try0,
+ res->
+ pdy);
+ pi->precno = prci + prcj * res->pw;
+ for (pi->layno = 0; pi->layno < pi->poc.layno1;
+ pi->layno++) {
+ if (!pi->
+ include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p]) {
+ pi->include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p] = 1;
+ return 1;
}
+ skip:;
+ }
}
+ }
}
- return 0;
+ }
+ return 0;
}
/* <summary>
* </summary> */
int pi_next_pcrl(pi_iterator_t * pi)
{
- pi_comp_t *comp;
- pi_resolution_t *res;
- if (!pi->first) {
- comp = &pi->comps[pi->compno];
- goto skip;
- } else {
- int compno, resno;
- pi->first = 0;
- pi->dx = 0;
- pi->dy = 0;
- for (compno = 0; compno < pi->numcomps; compno++) {
- comp = &pi->comps[compno];
- for (resno = 0; resno < comp->numresolutions; resno++) {
- int dx, dy;
- res = &comp->resolutions[resno];
- dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
- dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
- pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
- pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
- }
- }
+ pi_comp_t *comp;
+ pi_resolution_t *res;
+ if (!pi->first) {
+ comp = &pi->comps[pi->compno];
+ goto skip;
+ } else {
+ int compno, resno;
+ pi->first = 0;
+ pi->dx = 0;
+ pi->dy = 0;
+ for (compno = 0; compno < pi->numcomps; compno++) {
+ comp = &pi->comps[compno];
+ for (resno = 0; resno < comp->numresolutions; resno++) {
+ int dx, dy;
+ res = &comp->resolutions[resno];
+ dx = comp->dx *
+ (1 << (res->pdx + comp->numresolutions - 1 - resno));
+ dy = comp->dy *
+ (1 << (res->pdy + comp->numresolutions - 1 - resno));
+ pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
+ pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
+ }
}
- for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
- for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
- comp = &pi->comps[pi->compno];
- for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
- int levelno;
- int trx0, try0;
- int rpx, rpy;
- int prci, prcj;
- res = &comp->resolutions[pi->resno];
- levelno = comp->numresolutions - 1 - pi->resno;
- trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
- try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
- rpx = res->pdx + levelno;
- rpy = res->pdy + levelno;
- if (!(pi->x % (comp->dx << rpx) == 0 || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
- continue;
- }
- if (!(pi->y % (comp->dy << rpy) == 0 || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
- continue;
- }
- prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) - int_floordivpow2(trx0, res->pdx);
- prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) - int_floordivpow2(try0, res->pdy);
- pi->precno = prci + prcj * res->pw;
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- if (! pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p]){
- pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p] = 1;
- return 1;
- }
- skip:;
- }
- }
+ }
+ for (pi->y = pi->ty0; pi->y < pi->ty1;
+ pi->y += pi->dy - (pi->y % pi->dy)) {
+ for (pi->x = pi->tx0; pi->x < pi->tx1;
+ pi->x += pi->dx - (pi->x % pi->dx)) {
+ for (pi->compno = pi->poc.compno0;
+ pi->compno < pi->poc.compno1; pi->compno++) {
+ comp = &pi->comps[pi->compno];
+ for (pi->resno = pi->poc.resno0;
+ pi->resno < int_min(pi->poc.resno1,
+ comp->numresolutions);
+ pi->resno++) {
+ int levelno;
+ int trx0, try0;
+ int rpx, rpy;
+ int prci, prcj;
+ res = &comp->resolutions[pi->resno];
+ levelno = comp->numresolutions - 1 - pi->resno;
+ trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
+ try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
+ rpx = res->pdx + levelno;
+ rpy = res->pdy + levelno;
+ if (!
+ (pi->x % (comp->dx << rpx) == 0
+ || (pi->x == pi->tx0
+ && (trx0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+ if (!
+ (pi->y % (comp->dy << rpy) == 0
+ || (pi->y == pi->ty0
+ && (try0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+ prci =
+ int_floordivpow2(int_ceildiv
+ (pi->x, comp->dx << levelno),
+ res->pdx) - int_floordivpow2(trx0,
+ res->
+ pdx);
+ prcj =
+ int_floordivpow2(int_ceildiv
+ (pi->y, comp->dy << levelno),
+ res->pdy) - int_floordivpow2(try0,
+ res->
+ pdy);
+ pi->precno = prci + prcj * res->pw;
+ for (pi->layno = 0; pi->layno < pi->poc.layno1;
+ pi->layno++) {
+ if (!pi->
+ include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p]) {
+ pi->include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p] = 1;
+ return 1;
}
+ skip:;
+ }
}
+ }
}
- return 0;
+ }
+ return 0;
}
/* <summary>
* </summary> */
int pi_next_cprl(pi_iterator_t * pi)
{
- pi_comp_t *comp;
- pi_resolution_t *res;
- if (!pi->first) {
- comp = &pi->comps[pi->compno];
- goto skip;
- } else {
- pi->first = 0;
+ pi_comp_t *comp;
+ pi_resolution_t *res;
+ if (!pi->first) {
+ comp = &pi->comps[pi->compno];
+ goto skip;
+ } else {
+ pi->first = 0;
+ }
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1;
+ pi->compno++) {
+ int resno;
+ comp = &pi->comps[pi->compno];
+ pi->dx = 0;
+ pi->dy = 0;
+ for (resno = 0; resno < comp->numresolutions; resno++) {
+ int dx, dy;
+ res = &comp->resolutions[resno];
+ dx = comp->dx *
+ (1 << (res->pdx + comp->numresolutions - 1 - resno));
+ dy = comp->dy *
+ (1 << (res->pdy + comp->numresolutions - 1 - resno));
+ pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
+ pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
}
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1;
- pi->compno++) {
- int resno;
- comp = &pi->comps[pi->compno];
- pi->dx = 0;
- pi->dy = 0;
- for (resno = 0; resno < comp->numresolutions; resno++) {
- int dx, dy;
- res = &comp->resolutions[resno];
- dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
- dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
- pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
- pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
- }
- for (pi->y = pi->ty0; pi->y < pi->ty1;
- pi->y += pi->dy - (pi->y % pi->dy)) {
- for (pi->x = pi->tx0; pi->x < pi->tx1;
- pi->x += pi->dx - (pi->x % pi->dx)) {
- for (pi->resno = pi->poc.resno0;
- pi->resno < int_min(pi->poc.resno1, comp->numresolutions);
- pi->resno++) {
- int levelno;
- int trx0, try0;
- int rpx, rpy;
- int prci, prcj;
- res = &comp->resolutions[pi->resno];
- levelno = comp->numresolutions - 1 - pi->resno;
- trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
- try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
- rpx = res->pdx + levelno;
- rpy = res->pdy + levelno;
- if (!(pi->x % (comp->dx << rpx) == 0 || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
- continue;
- }
- if (!(pi->y % (comp->dy << rpy) == 0 || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
- continue;
- }
- prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) - int_floordivpow2(trx0, res->pdx);
- prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) - int_floordivpow2(try0, res->pdy);
- pi->precno = prci + prcj * res->pw;
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- if (! pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p]){
- pi->include[pi->layno*pi->step_l+pi->resno*pi->step_r+pi->compno*pi->step_c+pi->precno*pi->step_p] = 1;
- return 1;
- }
- skip:;
- }
- }
+ for (pi->y = pi->ty0; pi->y < pi->ty1;
+ pi->y += pi->dy - (pi->y % pi->dy)) {
+ for (pi->x = pi->tx0; pi->x < pi->tx1;
+ pi->x += pi->dx - (pi->x % pi->dx)) {
+ for (pi->resno = pi->poc.resno0;
+ pi->resno < int_min(pi->poc.resno1,
+ comp->numresolutions);
+ pi->resno++) {
+ int levelno;
+ int trx0, try0;
+ int rpx, rpy;
+ int prci, prcj;
+ res = &comp->resolutions[pi->resno];
+ levelno = comp->numresolutions - 1 - pi->resno;
+ trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
+ try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
+ rpx = res->pdx + levelno;
+ rpy = res->pdy + levelno;
+ if (!
+ (pi->x % (comp->dx << rpx) == 0
+ || (pi->x == pi->tx0
+ && (trx0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+ if (!
+ (pi->y % (comp->dy << rpy) == 0
+ || (pi->y == pi->ty0
+ && (try0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+ prci =
+ int_floordivpow2(int_ceildiv
+ (pi->x, comp->dx << levelno),
+ res->pdx) - int_floordivpow2(trx0,
+ res->
+ pdx);
+ prcj =
+ int_floordivpow2(int_ceildiv
+ (pi->y, comp->dy << levelno),
+ res->pdy) - int_floordivpow2(try0,
+ res->
+ pdy);
+ pi->precno = prci + prcj * res->pw;
+ for (pi->layno = 0; pi->layno < pi->poc.layno1;
+ pi->layno++) {
+ if (!pi->
+ include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p]) {
+ pi->include[pi->layno * pi->step_l +
+ pi->resno * pi->step_r +
+ pi->compno * pi->step_c +
+ pi->precno * pi->step_p] = 1;
+ return 1;
}
+ skip:;
+ }
}
+ }
}
- return 0;
+ }
+ return 0;
}
/* <summary>
* </summary> */
int pi_next(pi_iterator_t * pi)
{
- switch (pi->poc.prg) {
- case 0:
- return pi_next_lrcp(pi);
- case 1:
- return pi_next_rlcp(pi);
- case 2:
- return pi_next_rpcl(pi);
- case 3:
- return pi_next_pcrl(pi);
- case 4:
- return pi_next_cprl(pi);
- }
- return 0;
+ switch (pi->poc.prg) {
+ case 0:
+ return pi_next_lrcp(pi);
+ case 1:
+ return pi_next_rlcp(pi);
+ case 2:
+ return pi_next_rpcl(pi);
+ case 3:
+ return pi_next_pcrl(pi);
+ case 4:
+ return pi_next_cprl(pi);
+ }
+ return 0;
}
#include "tcd.h"
typedef struct {
- int pdx, pdy;
- int pw, ph;
+ int pdx, pdy;
+ int pw, ph;
} pi_resolution_t;
typedef struct {
- int dx, dy;
- int numresolutions;
- pi_resolution_t *resolutions;
+ int dx, dy;
+ int numresolutions;
+ pi_resolution_t *resolutions;
} pi_comp_t;
typedef struct {
- short int *include; /* precise if the packet has been already used (usefull for progression order change) */
- int step_l, step_r, step_c, step_p; /* different steps (layer, resolution, component, precinct) to localize the packet in the include vector */
- int compno, resno, precno, layno; /* component, resolution, precinct and layer that indentify the packet */
- int first; /* 0 if the first packet */
- j2k_poc_t poc;
- int numcomps;
- pi_comp_t *comps;
- int tx0, ty0, tx1, ty1;
- int x, y, dx, dy;
-} pi_iterator_t; /* packet iterator */
+ short int *include; /* precise if the packet has been already used (usefull for progression order change) */
+ int step_l, step_r, step_c, step_p; /* different steps (layer, resolution, component, precinct) to localize the packet in the include vector */
+ int compno, resno, precno, layno; /* component, resolution, precinct and layer that indentify the packet */
+ int first; /* 0 if the first packet */
+ j2k_poc_t poc;
+ int numcomps;
+ pi_comp_t *comps;
+ int tx0, ty0, tx1, ty1;
+ int x, y, dx, dy;
+} pi_iterator_t; /* packet iterator */
/*
* Create a packet iterator
#include "raw.h"
-unsigned char raw_c; /* temporary buffer where bits are coded or decoded */
-unsigned int raw_ct; /* number of bits already read or free to write */
-unsigned int raw_lenmax; /* maximum length to decode */
-unsigned int raw_len; /* length decoded */
-unsigned char *raw_bp; /* pointer to the current position in the buffer */
-unsigned char *raw_start; /* pointer to the start of the buffer */
-unsigned char *raw_end; /* pointer to the end of the buffer */
+unsigned char raw_c; /* temporary buffer where bits are coded or decoded */
+unsigned int raw_ct; /* number of bits already read or free to write */
+unsigned int raw_lenmax; /* maximum length to decode */
+unsigned int raw_len; /* length decoded */
+unsigned char *raw_bp; /* pointer to the current position in the buffer */
+unsigned char *raw_start; /* pointer to the start of the buffer */
+unsigned char *raw_end; /* pointer to the end of the buffer */
/*
* Return the number of bytes already encoded.
*/
int raw_numbytes()
{
- return raw_bp - raw_start;
+ return raw_bp - raw_start;
}
/*
*/
void raw_init_dec(unsigned char *bp, int len)
{
- raw_start = bp;
- raw_lenmax = len;
- raw_len = 0;
- raw_c = 0;
- raw_ct = 0;
+ raw_start = bp;
+ raw_lenmax = len;
+ raw_len = 0;
+ raw_c = 0;
+ raw_ct = 0;
}
/*
*/
int raw_decode()
{
- int d;
- if (raw_ct == 0) {
- raw_ct = 8;
- if (raw_len == raw_lenmax)
- raw_c = 0xff;
- else {
- if (raw_c == 0xff)
- raw_ct = 7;
- raw_c = *(raw_start + raw_len);
- raw_len++;
- }
+ int d;
+ if (raw_ct == 0) {
+ raw_ct = 8;
+ if (raw_len == raw_lenmax)
+ raw_c = 0xff;
+ else {
+ if (raw_c == 0xff)
+ raw_ct = 7;
+ raw_c = *(raw_start + raw_len);
+ raw_len++;
}
- raw_ct--;
- d = (raw_c >> raw_ct) & 0x01;
- return d;
+ }
+ raw_ct--;
+ d = (raw_c >> raw_ct) & 0x01;
+ return d;
}
#include "t1.h"
#include "j2k.h"
#include "mqc.h"
-#include "raw.h" /* Antonin */
+#include "raw.h" /* Antonin */
#include "int.h"
#include "mct.h"
#include "dwt.h"
int t1_getctxno_zc(int f, int orient)
{
- return t1_lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
+ return t1_lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
}
int t1_getctxno_sc(int f)
{
- return t1_lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+ return t1_lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
}
int t1_getctxno_mag(int f)
{
- return t1_lut_ctxno_mag[(f & T1_SIG_OTH) | (((f & T1_REFINE) != 0) << 11)];
+ return t1_lut_ctxno_mag[(f & T1_SIG_OTH) |
+ (((f & T1_REFINE) != 0) << 11)];
}
int t1_getspb(int f)
{
- return t1_lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+ return t1_lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
}
int t1_getnmsedec_sig(int x, int bitpos)
{
- if (bitpos > T1_NMSEDEC_FRACBITS)
- return t1_lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
- else
- return t1_lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+ if (bitpos > T1_NMSEDEC_FRACBITS)
+ return t1_lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) &
+ ((1 << T1_NMSEDEC_BITS) - 1)];
+ else
+ return t1_lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
}
int t1_getnmsedec_ref(int x, int bitpos)
{
- if (bitpos > T1_NMSEDEC_FRACBITS)
- return t1_lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
- else
- return t1_lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+ if (bitpos > T1_NMSEDEC_FRACBITS)
+ return t1_lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) &
+ ((1 << T1_NMSEDEC_BITS) - 1)];
+ else
+ return t1_lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
}
void t1_updateflags(int *fp, int s)
{
- int *np = fp - (T1_MAXCBLKW + 2);
- int *sp = fp + (T1_MAXCBLKW + 2);
- np[-1] |= T1_SIG_SE;
- np[1] |= T1_SIG_SW;
- sp[-1] |= T1_SIG_NE;
- sp[1] |= T1_SIG_NW;
- *np |= T1_SIG_S;
- *sp |= T1_SIG_N;
- fp[-1] |= T1_SIG_E;
- fp[1] |= T1_SIG_W;
- if (s) {
- *np |= T1_SGN_S;
- *sp |= T1_SGN_N;
- fp[-1] |= T1_SGN_E;
- fp[1] |= T1_SGN_W;
- }
+ int *np = fp - (T1_MAXCBLKW + 2);
+ int *sp = fp + (T1_MAXCBLKW + 2);
+ np[-1] |= T1_SIG_SE;
+ np[1] |= T1_SIG_SW;
+ sp[-1] |= T1_SIG_NE;
+ sp[1] |= T1_SIG_NW;
+ *np |= T1_SIG_S;
+ *sp |= T1_SIG_N;
+ fp[-1] |= T1_SIG_E;
+ fp[1] |= T1_SIG_W;
+ if (s) {
+ *np |= T1_SGN_S;
+ *sp |= T1_SGN_N;
+ fp[-1] |= T1_SGN_E;
+ fp[1] |= T1_SGN_W;
+ }
}
-void t1_enc_sigpass_step(int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc)
+void t1_enc_sigpass_step(int *fp, int *dp, int orient, int bpno, int one,
+ int *nmsedec, char type, int vsc)
{
- int v, flag;
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
- if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
- v = int_abs(*dp) & one ? 1 : 0;
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
- mqc_setcurctx(t1_getctxno_zc(flag, orient)); /* ESSAI */
- mqc_bypass_enc(v);
- } else {
- mqc_setcurctx(t1_getctxno_zc(flag, orient));
- mqc_encode(v);
- }
- if (v) {
- v = *dp < 0 ? 1 : 0;
- *nmsedec += t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
- mqc_setcurctx(t1_getctxno_sc(flag)); /* ESSAI */
- mqc_bypass_enc(v);
- } else {
- mqc_setcurctx(t1_getctxno_sc(flag));
- mqc_encode(v ^ t1_getspb(flag));
- }
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
- }
- *fp |= T1_VISIT;
+ int v, flag;
+ flag =
+ vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
+ : (*fp);
+ if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+ v = int_abs(*dp) & one ? 1 : 0;
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(t1_getctxno_zc(flag, orient)); /* ESSAI */
+ mqc_bypass_enc(v);
+ } else {
+ mqc_setcurctx(t1_getctxno_zc(flag, orient));
+ mqc_encode(v);
+ }
+ if (v) {
+ v = *dp < 0 ? 1 : 0;
+ *nmsedec +=
+ t1_getnmsedec_sig(int_abs(*dp),
+ bpno + T1_NMSEDEC_FRACBITS);
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(t1_getctxno_sc(flag)); /* ESSAI */
+ mqc_bypass_enc(v);
+ } else {
+ mqc_setcurctx(t1_getctxno_sc(flag));
+ mqc_encode(v ^ t1_getspb(flag));
+ }
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
}
+ *fp |= T1_VISIT;
+ }
}
-void t1_dec_sigpass_step(int *fp, int *dp, int orient, int oneplushalf, char type, int vsc)
+void t1_dec_sigpass_step(int *fp, int *dp, int orient, int oneplushalf,
+ char type, int vsc)
{
- int v, flag;
- flag =
- vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
- : (*fp);
- if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
- if (type == T1_TYPE_RAW) {
- if (raw_decode()) {
- v = raw_decode(); /* ESSAI */
- *dp = v ? -oneplushalf : oneplushalf;
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
- }
- } else {
- mqc_setcurctx(t1_getctxno_zc(flag, orient));
- if (mqc_decode()) {
- mqc_setcurctx(t1_getctxno_sc(flag));
- v = mqc_decode() ^ t1_getspb(flag);
- *dp = v ? -oneplushalf : oneplushalf;
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
- }
- }
- *fp |= T1_VISIT;
+ int v, flag;
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
+ : (*fp);
+ if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+ if (type == T1_TYPE_RAW) {
+ if (raw_decode()) {
+ v = raw_decode(); /* ESSAI */
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ } else {
+ mqc_setcurctx(t1_getctxno_zc(flag, orient));
+ if (mqc_decode()) {
+ mqc_setcurctx(t1_getctxno_sc(flag));
+ v = mqc_decode() ^ t1_getspb(flag);
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
}
-} /* VSC and BYPASS by Antonin */
+ *fp |= T1_VISIT;
+ }
+} /* VSC and BYPASS by Antonin */
-void t1_enc_sigpass(int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty)
+void t1_enc_sigpass(int w, int h, int bpno, int orient, int *nmsedec,
+ char type, int cblksty)
{
- int i, j, k, one, vsc;
- *nmsedec = 0;
- one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
- for (k = 0; k < h; k += 4) {
- for (i = 0; i < w; i++) {
- for (j = k; j < k + 4 && j < h; j++) {
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
- t1_enc_sigpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], orient, bpno, one, nmsedec, type, vsc);
- }
- }
+ int i, j, k, one, vsc;
+ *nmsedec = 0;
+ one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
+ && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_enc_sigpass_step(&t1_flags[1 + j][1 + i],
+ &t1_data[j][i], orient, bpno, one,
+ nmsedec, type, vsc);
+ }
}
+ }
}
-void t1_dec_sigpass(int w, int h, int bpno, int orient, char type, int cblksty)
+void t1_dec_sigpass(int w, int h, int bpno, int orient, char type,
+ int cblksty)
{
- int i, j, k, one, half, oneplushalf, vsc;
- one = 1 << bpno;
- half = one >> 1;
- oneplushalf = one | half;
- for (k = 0; k < h; k += 4) {
- for (i = 0; i < w; i++) {
+ int i, j, k, one, half, oneplushalf, vsc;
+ one = 1 << bpno;
+ half = one >> 1;
+ oneplushalf = one | half;
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
for (j = k; j < k + 4 && j < h; j++) {
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
- && (j == k + 3 || j == h - 1)) ? 1 : 0;
- t1_dec_sigpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], orient, oneplushalf, type, vsc);
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
+ && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_dec_sigpass_step(&t1_flags[1 + j][1 + i],
+ &t1_data[j][i], orient, oneplushalf,
+ type, vsc);
}
- }
}
-} /* VSC and BYPASS by Antonin */
+ }
+} /* VSC and BYPASS by Antonin */
-void t1_enc_refpass_step(int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc)
+void t1_enc_refpass_step(int *fp, int *dp, int bpno, int one, int *nmsedec,
+ char type, int vsc)
{
- int v, flag;
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
- if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
- *nmsedec += t1_getnmsedec_ref(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
- v = int_abs(*dp) & one ? 1 : 0;
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
- mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */
- mqc_bypass_enc(v);
- } else {
- mqc_setcurctx(t1_getctxno_mag(flag));
- mqc_encode(v);
- }
- *fp |= T1_REFINE;
+ int v, flag;
+ flag =
+ vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
+ : (*fp);
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ *nmsedec +=
+ t1_getnmsedec_ref(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+ v = int_abs(*dp) & one ? 1 : 0;
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */
+ mqc_bypass_enc(v);
+ } else {
+ mqc_setcurctx(t1_getctxno_mag(flag));
+ mqc_encode(v);
}
+ *fp |= T1_REFINE;
+ }
}
-void t1_dec_refpass_step(int *fp, int *dp, int poshalf, int neghalf, char type, int vsc)
+void t1_dec_refpass_step(int *fp, int *dp, int poshalf, int neghalf,
+ char type, int vsc)
{
- int v, t, flag;
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
- if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
- if (type == T1_TYPE_RAW) {
- mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */
- v = raw_decode();
- } else {
- mqc_setcurctx(t1_getctxno_mag(flag));
- v = mqc_decode();
- }
- t = v ? poshalf : neghalf;
- *dp += *dp < 0 ? -t : t;
- *fp |= T1_REFINE;
+ int v, t, flag;
+ flag =
+ vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
+ : (*fp);
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ if (type == T1_TYPE_RAW) {
+ mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */
+ v = raw_decode();
+ } else {
+ mqc_setcurctx(t1_getctxno_mag(flag));
+ v = mqc_decode();
}
-} /* VSC and BYPASS by Antonin */
+ t = v ? poshalf : neghalf;
+ *dp += *dp < 0 ? -t : t;
+ *fp |= T1_REFINE;
+ }
+} /* VSC and BYPASS by Antonin */
-void t1_enc_refpass(int w, int h, int bpno, int *nmsedec, char type, int cblksty)
+void t1_enc_refpass(int w, int h, int bpno, int *nmsedec, char type,
+ int cblksty)
{
- int i, j, k, one, vsc;
- *nmsedec = 0;
- one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
- for (k = 0; k < h; k += 4) {
- for (i = 0; i < w; i++) {
- for (j = k; j < k + 4 && j < h; j++) {
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
- t1_enc_refpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], bpno, one, nmsedec, type, vsc);
- }
- }
+ int i, j, k, one, vsc;
+ *nmsedec = 0;
+ one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
+ && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_enc_refpass_step(&t1_flags[1 + j][1 + i],
+ &t1_data[j][i], bpno, one, nmsedec,
+ type, vsc);
+ }
}
+ }
}
void t1_dec_refpass(int w, int h, int bpno, char type, int cblksty)
{
- int i, j, k, one, poshalf, neghalf;
- int vsc;
- one = 1 << bpno;
- poshalf = one >> 1;
- neghalf = bpno > 0 ? -poshalf : -1;
- for (k = 0; k < h; k += 4) {
- for (i = 0; i < w; i++) {
- for (j = k; j < k + 4 && j < h; j++) {
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
- t1_dec_refpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], poshalf, neghalf, type, vsc);
- }
- }
+ int i, j, k, one, poshalf, neghalf;
+ int vsc;
+ one = 1 << bpno;
+ poshalf = one >> 1;
+ neghalf = bpno > 0 ? -poshalf : -1;
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
+ && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_dec_refpass_step(&t1_flags[1 + j][1 + i],
+ &t1_data[j][i], poshalf, neghalf, type,
+ vsc);
+ }
}
-} /* VSC and BYPASS by Antonin */
+ }
+} /* VSC and BYPASS by Antonin */
-void t1_enc_clnpass_step(int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc)
+void t1_enc_clnpass_step(int *fp, int *dp, int orient, int bpno, int one,
+ int *nmsedec, int partial, int vsc)
{
- int v, flag;
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
- if (partial)
- goto label_partial;
- if (!(*fp & (T1_SIG | T1_VISIT))) {
- mqc_setcurctx(t1_getctxno_zc(flag, orient));
- v = int_abs(*dp) & one ? 1 : 0;
- mqc_encode(v);
- if (v) {
- label_partial:
- *nmsedec += t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
- mqc_setcurctx(t1_getctxno_sc(flag));
- v = *dp < 0 ? 1 : 0;
- mqc_encode(v ^ t1_getspb(flag));
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
- }
+ int v, flag;
+ flag =
+ vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
+ : (*fp);
+ if (partial)
+ goto label_partial;
+ if (!(*fp & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(t1_getctxno_zc(flag, orient));
+ v = int_abs(*dp) & one ? 1 : 0;
+ mqc_encode(v);
+ if (v) {
+ label_partial:
+ *nmsedec +=
+ t1_getnmsedec_sig(int_abs(*dp),
+ bpno + T1_NMSEDEC_FRACBITS);
+ mqc_setcurctx(t1_getctxno_sc(flag));
+ v = *dp < 0 ? 1 : 0;
+ mqc_encode(v ^ t1_getspb(flag));
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
}
- *fp &= ~T1_VISIT;
+ }
+ *fp &= ~T1_VISIT;
}
-void t1_dec_clnpass_step(int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc)
+void t1_dec_clnpass_step(int *fp, int *dp, int orient, int oneplushalf,
+ int partial, int vsc)
{
- int v, flag;
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
- if (partial)
- goto label_partial;
- if (!(flag & (T1_SIG | T1_VISIT))) {
- mqc_setcurctx(t1_getctxno_zc(flag, orient));
- if (mqc_decode()) {
- label_partial:
- mqc_setcurctx(t1_getctxno_sc(flag));
- v = mqc_decode() ^ t1_getspb(flag);
- *dp = v ? -oneplushalf : oneplushalf;
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
- }
+ int v, flag;
+ flag =
+ vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
+ : (*fp);
+ if (partial)
+ goto label_partial;
+ if (!(flag & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(t1_getctxno_zc(flag, orient));
+ if (mqc_decode()) {
+ label_partial:
+ mqc_setcurctx(t1_getctxno_sc(flag));
+ v = mqc_decode() ^ t1_getspb(flag);
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
}
- *fp &= ~T1_VISIT;
-} /* VSC and BYPASS by Antonin */
+ }
+ *fp &= ~T1_VISIT;
+} /* VSC and BYPASS by Antonin */
-void t1_enc_clnpass(int w, int h, int bpno, int orient, int *nmsedec, int cblksty)
+void t1_enc_clnpass(int w, int h, int bpno, int orient, int *nmsedec,
+ int cblksty)
{
- int i, j, k, one, agg, runlen, vsc;
- *nmsedec = 0;
- one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
- for (k = 0; k < h; k += 4) {
- for (i = 0; i < w; i++) {
- if (k + 3 < h) {
- if (cblksty & J2K_CCP_CBLKSTY_VSC) {
- agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
- || t1_flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT |
- T1_SIG_OTH) || t1_flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT |
- T1_SIG_OTH) || (t1_flags[1 + k + 3][1 + i] & (~(T1_SIG_S | T1_SIG_SE
- | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
- } else {
- agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
- || t1_flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
- || t1_flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
- || t1_flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));
- }
- } else {
- agg = 0;
- }
- if (agg) {
- for (runlen = 0; runlen < 4; runlen++) {
- if (int_abs(t1_data[k + runlen][i]) & one)
- break;
- }
- mqc_setcurctx(T1_CTXNO_AGG);
- mqc_encode(runlen != 4);
- if (runlen == 4) {
- continue;
- }
- mqc_setcurctx(T1_CTXNO_UNI);
- mqc_encode(runlen >> 1);
- mqc_encode(runlen & 1);
- } else {
- runlen = 0;
- }
- for (j = k + runlen; j < k + 4 && j < h; j++) {
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
- t1_enc_clnpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], orient, bpno, one, nmsedec, agg
- && (j == k + runlen), vsc);
- }
+ int i, j, k, one, agg, runlen, vsc;
+ *nmsedec = 0;
+ one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ if (k + 3 < h) {
+ if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+ agg =
+ !(t1_flags[1 + k][1 + i] &
+ (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1_flags[1 + k + 1][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH)
+ || t1_flags[1 + k + 2][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH)
+ || (t1_flags[1 + k + 3][1 + i] &
+ (~
+ (T1_SIG_S | T1_SIG_SE | T1_SIG_SW |
+ T1_SGN_S))) & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH));
+ } else {
+ agg =
+ !(t1_flags[1 + k][1 + i] &
+ (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1_flags[1 + k + 1][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH)
+ || t1_flags[1 + k + 2][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH)
+ || t1_flags[1 + k + 3][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH));
+ }
+ } else {
+ agg = 0;
+ }
+ if (agg) {
+ for (runlen = 0; runlen < 4; runlen++) {
+ if (int_abs(t1_data[k + runlen][i]) & one)
+ break;
+ }
+ mqc_setcurctx(T1_CTXNO_AGG);
+ mqc_encode(runlen != 4);
+ if (runlen == 4) {
+ continue;
}
+ mqc_setcurctx(T1_CTXNO_UNI);
+ mqc_encode(runlen >> 1);
+ mqc_encode(runlen & 1);
+ } else {
+ runlen = 0;
+ }
+ for (j = k + runlen; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
+ && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_enc_clnpass_step(&t1_flags[1 + j][1 + i],
+ &t1_data[j][i], orient, bpno, one,
+ nmsedec, agg
+ && (j == k + runlen), vsc);
+ }
}
+ }
}
void t1_dec_clnpass(int w, int h, int bpno, int orient, int cblksty)
{
- int i, j, k, one, half, oneplushalf, agg, runlen, vsc;
- int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
- one = 1 << bpno;
- half = one >> 1;
- oneplushalf = one | half;
- for (k = 0; k < h; k += 4) {
- for (i = 0; i < w; i++) {
- if (k + 3 < h) {
- if (cblksty & J2K_CCP_CBLKSTY_VSC) {
- agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
- || t1_flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT |
- T1_SIG_OTH) || t1_flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT |
- T1_SIG_OTH) || (t1_flags[1 + k + 3][1 + i] & (~(T1_SIG_S | T1_SIG_SE |
- T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
- } else {
- agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
- || t1_flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT |
- T1_SIG_OTH) || t1_flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT |
- T1_SIG_OTH) || t1_flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT |
- T1_SIG_OTH));
- }
- } else {
- agg = 0;
- }
- if (agg) {
- mqc_setcurctx(T1_CTXNO_AGG);
- if (!mqc_decode()) {
- continue;
- }
- mqc_setcurctx(T1_CTXNO_UNI);
- runlen = mqc_decode();
- runlen = (runlen << 1) | mqc_decode();
- } else {
- runlen = 0;
- }
- for (j = k + runlen; j < k + 4 && j < h; j++) {
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
- t1_dec_clnpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], orient, oneplushalf,
- agg && (j == k + runlen), vsc);
- }
+ int i, j, k, one, half, oneplushalf, agg, runlen, vsc;
+ int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
+ one = 1 << bpno;
+ half = one >> 1;
+ oneplushalf = one | half;
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ if (k + 3 < h) {
+ if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+ agg =
+ !(t1_flags[1 + k][1 + i] &
+ (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1_flags[1 + k + 1][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH)
+ || t1_flags[1 + k + 2][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH)
+ || (t1_flags[1 + k + 3][1 + i] &
+ (~
+ (T1_SIG_S | T1_SIG_SE | T1_SIG_SW |
+ T1_SGN_S))) & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH));
+ } else {
+ agg =
+ !(t1_flags[1 + k][1 + i] &
+ (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1_flags[1 + k + 1][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH)
+ || t1_flags[1 + k + 2][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH)
+ || t1_flags[1 + k + 3][1 +
+ i] & (T1_SIG | T1_VISIT |
+ T1_SIG_OTH));
+ }
+ } else {
+ agg = 0;
+ }
+ if (agg) {
+ mqc_setcurctx(T1_CTXNO_AGG);
+ if (!mqc_decode()) {
+ continue;
}
- }
- if (segsym) {
- int v = 0;
mqc_setcurctx(T1_CTXNO_UNI);
- v = mqc_decode();
- v = (v << 1) | mqc_decode();
- v = (v << 1) | mqc_decode();
- v = (v << 1) | mqc_decode();
- /* if (v!=0xa)
- {
- fprintf(stderr, "warning: bad segmentation symbol %x\n",v);
- } */
+ runlen = mqc_decode();
+ runlen = (runlen << 1) | mqc_decode();
+ } else {
+ runlen = 0;
+ }
+ for (j = k + runlen; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
+ && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_dec_clnpass_step(&t1_flags[1 + j][1 + i],
+ &t1_data[j][i], orient, oneplushalf,
+ agg && (j == k + runlen), vsc);
+ }
}
-} /* VSC and BYPASS by Antonin */
+ }
+ if (segsym) {
+ int v = 0;
+ mqc_setcurctx(T1_CTXNO_UNI);
+ v = mqc_decode();
+ v = (v << 1) | mqc_decode();
+ v = (v << 1) | mqc_decode();
+ v = (v << 1) | mqc_decode();
+ /* if (v!=0xa)
+ {
+ fprintf(stderr, "warning: bad segmentation symbol %x\n",v);
+ } */
+ }
+} /* VSC and BYPASS by Antonin */
-double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize)
+double t1_getwmsedec(int nmsedec, int compno, int level, int orient,
+ int bpno, int qmfbid, double stepsize)
{
- double w1, w2, wmsedec;
- if (qmfbid == 1) {
- w1 = mct_getnorm(compno);
- w2 = dwt_getnorm(level, orient);
- } else { /* if (qmfbid == 0) */
- w1 = mct_getnorm_real(compno);
- w2 = dwt_getnorm_real(level, orient);
- }
- wmsedec = w1 * w2 * stepsize * (1 << bpno);
- wmsedec *= wmsedec * nmsedec / 8192.0;
- return wmsedec;
+ double w1, w2, wmsedec;
+ if (qmfbid == 1) {
+ w1 = mct_getnorm(compno);
+ w2 = dwt_getnorm(level, orient);
+ } else { /* if (qmfbid == 0) */
+ w1 = mct_getnorm_real(compno);
+ w2 = dwt_getnorm_real(level, orient);
+ }
+ wmsedec = w1 * w2 * stepsize * (1 << bpno);
+ wmsedec *= wmsedec * nmsedec / 8192.0;
+ return wmsedec;
}
-void t1_encode_cblk(tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty)
+void t1_encode_cblk(tcd_cblk_t * cblk, int orient, int compno, int level,
+ int qmfbid, double stepsize, int cblksty)
{
- int i, j;
- int w, h;
- int passno;
- int bpno, passtype;
- int max;
- int nmsedec;
- double cumwmsedec = 0;
- char type = T1_TYPE_MQ;
-
- w = cblk->x1 - cblk->x0;
- h = cblk->y1 - cblk->y0;
-
- max = 0;
- for (j = 0; j < h; j++) {
- for (i = 0; i < w; i++) {
+ int i, j;
+ int w, h;
+ int passno;
+ int bpno, passtype;
+ int max;
+ int nmsedec;
+ double cumwmsedec = 0;
+ char type = T1_TYPE_MQ;
+
+ w = cblk->x1 - cblk->x0;
+ h = cblk->y1 - cblk->y0;
+
+ max = 0;
+ for (j = 0; j < h; j++) {
+ for (i = 0; i < w; i++) {
max = int_max(max, int_abs(t1_data[j][i]));
- }
}
+ }
- cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;
+ cblk->numbps =
+ max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;
- for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++)
- ((int *) t1_flags)[i] = 0;
- bpno = cblk->numbps - 1;
- passtype = 2;
+ for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++)
+ ((int *) t1_flags)[i] = 0;
+ bpno = cblk->numbps - 1;
+ passtype = 2;
- mqc_resetstates();
- mqc_setstate(T1_CTXNO_UNI, 0, 46);
- mqc_setstate(T1_CTXNO_AGG, 0, 3);
- mqc_setstate(T1_CTXNO_ZC, 0, 4);
- mqc_init_enc(cblk->data);
+ mqc_resetstates();
+ mqc_setstate(T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(T1_CTXNO_ZC, 0, 4);
+ mqc_init_enc(cblk->data);
- for (passno = 0; bpno >= 0; passno++) {
- tcd_pass_t *pass = &cblk->passes[passno];
- int correction = 3;
- type = ((bpno < (cblk->numbps - 4)) && (passtype < 2)
- && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+ for (passno = 0; bpno >= 0; passno++) {
+ tcd_pass_t *pass = &cblk->passes[passno];
+ int correction = 3;
+ type = ((bpno < (cblk->numbps - 4)) && (passtype < 2)
+ && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW :
+ T1_TYPE_MQ;
- switch (passtype) {
- case 0:
- t1_enc_sigpass(w, h, bpno, orient, &nmsedec, type, cblksty);
- break;
- case 1:
- t1_enc_refpass(w, h, bpno, &nmsedec, type, cblksty);
- break;
- case 2:
- t1_enc_clnpass(w, h, bpno, orient, &nmsedec, cblksty);
- /* code switch SEGMARK (i.e. SEGSYM) */
- if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
- mqc_segmark_enc();
- break;
- }
+ switch (passtype) {
+ case 0:
+ t1_enc_sigpass(w, h, bpno, orient, &nmsedec, type, cblksty);
+ break;
+ case 1:
+ t1_enc_refpass(w, h, bpno, &nmsedec, type, cblksty);
+ break;
+ case 2:
+ t1_enc_clnpass(w, h, bpno, orient, &nmsedec, cblksty);
+ /* code switch SEGMARK (i.e. SEGSYM) */
+ if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
+ mqc_segmark_enc();
+ break;
+ }
- cumwmsedec += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize);
-
- /* Code switch "RESTART" (i.e. TERMALL) */
- if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0)))
- {
- if (type == T1_TYPE_RAW)
- {
- mqc_flush();
- correction=1;
- /* correction = mqc_bypass_flush_enc();*/
- }
- else
- { /* correction = mqc_restart_enc(); */
- mqc_flush();
- correction = 1;
- }
- pass->term = 1;
- } else
- {
- if (((bpno < (cblk->numbps - 4) && (passtype > 0)) || ((bpno == (cblk->numbps - 4)) && (passtype == 2)))
- && (cblksty & J2K_CCP_CBLKSTY_LAZY))
- {
- if (type == T1_TYPE_RAW)
- {
- mqc_flush();
- correction=1;
- /* correction = mqc_bypass_flush_enc();*/
- }
- else
- { /* correction = mqc_restart_enc();*/
- mqc_flush();
- correction=1;
- }
- pass->term = 1;
- } else
- {
- pass->term = 0;
- }
- }
-
- if (++passtype == 3)
- {
- passtype = 0;
- bpno--;
- }
-
- if (pass->term && bpno > 0) {
- type = ((bpno < (cblk->numbps - 4)) && (passtype < 2)
- && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
- if (type == T1_TYPE_RAW)
- mqc_bypass_init_enc();
- else
- mqc_restart_init_enc();
+ cumwmsedec +=
+ t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid,
+ stepsize);
+
+ /* Code switch "RESTART" (i.e. TERMALL) */
+ if ((cblksty & J2K_CCP_CBLKSTY_TERMALL)
+ && !((passtype == 2) && (bpno - 1 < 0))) {
+ if (type == T1_TYPE_RAW) {
+ mqc_flush();
+ correction = 1;
+ /* correction = mqc_bypass_flush_enc(); */
+ } else { /* correction = mqc_restart_enc(); */
+ mqc_flush();
+ correction = 1;
+ }
+ pass->term = 1;
+ } else {
+ if (((bpno < (cblk->numbps - 4) && (passtype > 0))
+ || ((bpno == (cblk->numbps - 4)) && (passtype == 2)))
+ && (cblksty & J2K_CCP_CBLKSTY_LAZY)) {
+ if (type == T1_TYPE_RAW) {
+ mqc_flush();
+ correction = 1;
+ /* correction = mqc_bypass_flush_enc(); */
+ } else { /* correction = mqc_restart_enc(); */
+ mqc_flush();
+ correction = 1;
}
+ pass->term = 1;
+ } else {
+ pass->term = 0;
+ }
+ }
- pass->distortiondec = cumwmsedec;
- pass->rate = mqc_numbytes() + correction; /* FIXME */
- pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
+ if (++passtype == 3) {
+ passtype = 0;
+ bpno--;
+ }
- /* Code-switch "RESET" */
- if (cblksty & J2K_CCP_CBLKSTY_RESET)
- mqc_reset_enc();
+ if (pass->term && bpno > 0) {
+ type = ((bpno < (cblk->numbps - 4)) && (passtype < 2)
+ && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW :
+ T1_TYPE_MQ;
+ if (type == T1_TYPE_RAW)
+ mqc_bypass_init_enc();
+ else
+ mqc_restart_init_enc();
}
- /* Code switch "ERTERM" (i.e. PTERM) */
- if (cblksty & J2K_CCP_CBLKSTY_PTERM)
- mqc_erterm_enc();
- else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
- mqc_flush();
+ pass->distortiondec = cumwmsedec;
+ pass->rate = mqc_numbytes() + correction; /* FIXME */
+ pass->len =
+ pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
+
+ /* Code-switch "RESET" */
+ if (cblksty & J2K_CCP_CBLKSTY_RESET)
+ mqc_reset_enc();
+ }
- cblk->totalpasses = passno;
+ /* Code switch "ERTERM" (i.e. PTERM) */
+ if (cblksty & J2K_CCP_CBLKSTY_PTERM)
+ mqc_erterm_enc();
+ else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
+ mqc_flush();
+
+ cblk->totalpasses = passno;
}
-void t1_decode_cblk(tcd_cblk_t * cblk, int orient, int roishift, int cblksty)
+void t1_decode_cblk(tcd_cblk_t * cblk, int orient, int roishift,
+ int cblksty)
{
- int i;
- int w, h;
- int bpno, passtype;
- int segno, passno;
+ int i;
+ int w, h;
+ int bpno, passtype;
+ int segno, passno;
+ /* add TONY */
+ char type = T1_TYPE_MQ;
+ /* dda */
+
+ for (i = 0; i < sizeof(t1_data) / sizeof(int); i++)
+ ((int *) t1_data)[i] = 0;
+ for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++)
+ ((int *) t1_flags)[i] = 0;
+
+ w = cblk->x1 - cblk->x0;
+ h = cblk->y1 - cblk->y0;
+ bpno = roishift + cblk->numbps - 1;
+ passtype = 2;
+
+ mqc_resetstates();
+ mqc_setstate(T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(T1_CTXNO_ZC, 0, 4);
+
+ for (segno = 0; segno < cblk->numsegs; segno++) {
+ tcd_seg_t *seg = &cblk->segs[segno];
+
/* add TONY */
- char type = T1_TYPE_MQ;
+ type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2)
+ && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW :
+ T1_TYPE_MQ;
+ if (type == T1_TYPE_RAW)
+ raw_init_dec(seg->data, seg->len);
+ else
+ mqc_init_dec(seg->data, seg->len);
/* dda */
- for (i = 0; i < sizeof(t1_data) / sizeof(int); i++)
- ((int *) t1_data)[i] = 0;
- for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++)
- ((int *) t1_flags)[i] = 0;
-
- w = cblk->x1 - cblk->x0;
- h = cblk->y1 - cblk->y0;
- bpno = roishift + cblk->numbps - 1;
- passtype = 2;
-
- mqc_resetstates();
- mqc_setstate(T1_CTXNO_UNI, 0, 46);
- mqc_setstate(T1_CTXNO_AGG, 0, 3);
- mqc_setstate(T1_CTXNO_ZC, 0, 4);
-
- for (segno = 0; segno < cblk->numsegs; segno++) {
- tcd_seg_t *seg = &cblk->segs[segno];
-
- /* add TONY */
- type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2)
- && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
- if (type == T1_TYPE_RAW)
- raw_init_dec(seg->data, seg->len);
- else
- mqc_init_dec(seg->data, seg->len);
- /* dda */
-
- for (passno = 0; passno < seg->numpasses; passno++) {
- switch (passtype) {
- case 0:
- t1_dec_sigpass(w, h, bpno, orient, type, cblksty);
- break;
- case 1:
- t1_dec_refpass(w, h, bpno, type, cblksty);
- break;
- case 2:
- t1_dec_clnpass(w, h, bpno, orient, cblksty);
- break;
- }
+ for (passno = 0; passno < seg->numpasses; passno++) {
+ switch (passtype) {
+ case 0:
+ t1_dec_sigpass(w, h, bpno, orient, type, cblksty);
+ break;
+ case 1:
+ t1_dec_refpass(w, h, bpno, type, cblksty);
+ break;
+ case 2:
+ t1_dec_clnpass(w, h, bpno, orient, cblksty);
+ break;
+ }
- if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ)
- mqc_reset_enc();
+ if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ)
+ mqc_reset_enc();
- if (++passtype == 3) {
- passtype = 0;
- bpno--;
- }
- }
+ if (++passtype == 3) {
+ passtype = 0;
+ bpno--;
+ }
}
+ }
}
void t1_encode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp)
{
- int compno, resno, bandno, precno, cblkno;
- int x, y, i, j, orient;
- tcd_tilecomp_t *tilec;
- tcd_resolution_t *res;
- tcd_band_t *band;
- tcd_precinct_t *prc;
- tcd_cblk_t *cblk;
-
- for (compno = 0; compno < tile->numcomps; compno++) {
- tilec = &tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
- band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- cblk = &prc->cblks[cblkno];
-
- if (band->bandno == 0) {
- x = cblk->x0 - band->x0;
- y = cblk->y0 - band->y0;
- } else if (band->bandno == 1) {
- tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
- y = cblk->y0 - band->y0;
- } else if (band->bandno == 2) {
- tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
- x = cblk->x0 - band->x0;
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
- } else { /* if (band->bandno == 3) */
- tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
- }
-
- if (tcp->tccps[compno].qmfbid == 1) {
-
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {
- t1_data[j][i] = tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0)] << T1_NMSEDEC_FRACBITS;
- }
- }
- } else if (tcp->tccps[compno].qmfbid == 0) {
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {
- t1_data[j][i] = fix_mul(tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)],
- 8192 * 8192 / band->stepsize) >> (13 - T1_NMSEDEC_FRACBITS);
- }
- }
- }
- orient = band->bandno; /* FIXME */
- if (orient == 2) {
- orient = 1;
- } else if (orient == 1) {
- orient = 2;
- }
- t1_encode_cblk(cblk, orient, compno,
- tilec->numresolutions - 1 - resno,
- tcp->tccps[compno].qmfbid, band->stepsize,
- tcp->tccps[compno].cblksty);
- } /* cblkno */
- } /* precno */
- } /* bandno */
- } /* resno */
- } /* compo */
+ int compno, resno, bandno, precno, cblkno;
+ int x, y, i, j, orient;
+ tcd_tilecomp_t *tilec;
+ tcd_resolution_t *res;
+ tcd_band_t *band;
+ tcd_precinct_t *prc;
+ tcd_cblk_t *cblk;
+
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tilec = &tile->comps[compno];
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ res = &tilec->resolutions[resno];
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ band = &res->bands[bandno];
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ cblk = &prc->cblks[cblkno];
+
+ if (band->bandno == 0) {
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 1) {
+ tcd_resolution_t *pres =
+ &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 2) {
+ tcd_resolution_t *pres =
+ &tilec->resolutions[resno - 1];
+ x = cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ } else { /* if (band->bandno == 3) */
+ tcd_resolution_t *pres =
+ &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ }
+
+ if (tcp->tccps[compno].qmfbid == 1) {
+
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ t1_data[j][i] =
+ tilec->data[(x + i) +
+ (y + j) * (tilec->x1 -
+ tilec->
+ x0)] <<
+ T1_NMSEDEC_FRACBITS;
+ }
+ }
+ } else if (tcp->tccps[compno].qmfbid == 0) {
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ t1_data[j][i] =
+ fix_mul(tilec->
+ data[x + i +
+ (y + j) * (tilec->x1 -
+ tilec->
+ x0)],
+ 8192 * 8192 /
+ band->stepsize) >> (13 -
+ T1_NMSEDEC_FRACBITS);
+ }
+ }
+ }
+ orient = band->bandno; /* FIXME */
+ if (orient == 2) {
+ orient = 1;
+ } else if (orient == 1) {
+ orient = 2;
+ }
+ t1_encode_cblk(cblk, orient, compno,
+ tilec->numresolutions - 1 - resno,
+ tcp->tccps[compno].qmfbid,
+ band->stepsize,
+ tcp->tccps[compno].cblksty);
+ } /* cblkno */
+ } /* precno */
+ } /* bandno */
+ } /* resno */
+ } /* compo */
}
void t1_decode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp)
{
- int compno, resno, bandno, precno, cblkno;
-
- for (compno = 0; compno < tile->numcomps; compno++)
- {
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++)
- {
- tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++)
- {
- tcd_band_t *band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++)
- {
- tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++)
- {
- int x, y, i, j, orient;
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- orient = band->bandno; /* FIXME */
- if (orient == 2)
- orient = 1;
- else if (orient == 1)
- orient = 2;
- t1_decode_cblk(cblk, orient, tcp->tccps[compno].roishift, tcp->tccps[compno].cblksty);
- if (band->bandno == 0) {
- x = cblk->x0 - band->x0;
- y = cblk->y0 - band->y0;
- } else if (band->bandno == 1) {
- tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
- y = cblk->y0 - band->y0;
- } else if (band->bandno == 2) {
- tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
- x = cblk->x0 - band->x0;
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
- } else { /* if (band->bandno == 3) */
- tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
- }
-
- if (tcp->tccps[compno].roishift)
- {
- int thresh, val, mag;
- thresh = 1 << tcp->tccps[compno].roishift;
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {
- val = t1_data[j][i];
- mag = int_abs(val);
- if (mag >= thresh) {
- mag >>= tcp->tccps[compno].roishift;
- t1_data[j][i] = val < 0 ? -mag : mag;
- }
- }
- }
+ int compno, resno, bandno, precno, cblkno;
+
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ tcd_resolution_t *res = &tilec->resolutions[resno];
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ int x, y, i, j, orient;
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ orient = band->bandno; /* FIXME */
+ if (orient == 2)
+ orient = 1;
+ else if (orient == 1)
+ orient = 2;
+ t1_decode_cblk(cblk, orient,
+ tcp->tccps[compno].roishift,
+ tcp->tccps[compno].cblksty);
+ if (band->bandno == 0) {
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 1) {
+ tcd_resolution_t *pres =
+ &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 2) {
+ tcd_resolution_t *pres =
+ &tilec->resolutions[resno - 1];
+ x = cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ } else { /* if (band->bandno == 3) */
+ tcd_resolution_t *pres =
+ &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
}
-
- if (tcp->tccps[compno].qmfbid == 1) {
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = t1_data[j][i];
- }
+
+ if (tcp->tccps[compno].roishift) {
+ int thresh, val, mag;
+ thresh = 1 << tcp->tccps[compno].roishift;
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ val = t1_data[j][i];
+ mag = int_abs(val);
+ if (mag >= thresh) {
+ mag >>= tcp->tccps[compno].
+ roishift;
+ t1_data[j][i] =
+ val < 0 ? -mag : mag;
+ }
+ }
+ }
}
- } else /* if (tcp->tccps[compno].qmfbid == 0)*/ {
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {
- if (t1_data[j][i] == 0) {
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0;
- } else {
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = fix_mul(t1_data[j][i] << 13, band->stepsize);
+
+ if (tcp->tccps[compno].qmfbid == 1) {
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ tilec->data[x + i +
+ (y + j) * (tilec->x1 -
+ tilec->x0)] =
+ t1_data[j][i];
+ }
+ }
+ } else { /* if (tcp->tccps[compno].qmfbid == 0) */
+
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ if (t1_data[j][i] == 0) {
+ tilec->data[x + i +
+ (y + j) * (tilec->x1 -
+ tilec->
+ x0)] = 0;
+ } else {
+ tilec->data[x + i +
+ (y + j) * (tilec->x1 -
+ tilec->
+ x0)] =
+ fix_mul(t1_data[j][i] << 13,
+ band->stepsize);
+ }
+ }
}
- }
}
- }
}
}
}
int t1_init_ctxno_zc(int f, int orient)
{
- int h, v, d, n, t, hv;
- n = 0;
- h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0);
- v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0);
- d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != 0) + ((f & T1_SIG_SE) != 0) + ((f & T1_SIG_SW) != 0);
- switch (orient) {
- case 2:
- t = h;
- h = v;
- v = t;
- case 0:
- case 1:
- if (!h) {
- if (!v) {
- if (!d)
- n = 0;
- else if (d == 1)
- n = 1;
- else
- n = 2;
- } else if (v == 1)
- n = 3;
- else
- n = 4;
- } else if (h == 1) {
- if (!v) {
- if (!d)
- n = 5;
- else
- n = 6;
- } else
- n = 7;
- } else
- n = 8;
- break;
- case 3:
- hv = h + v;
- if (!d) {
- if (!hv)
- n = 0;
- else if (hv == 1)
- n = 1;
- else
- n = 2;
- } else if (d == 1) {
- if (!hv)
- n = 3;
- else if (hv == 1)
- n = 4;
- else
- n = 5;
- } else if (d == 2) {
- if (!hv)
- n = 6;
- else
- n = 7;
- } else
- n = 8;
- break;
- }
- return T1_CTXNO_ZC + n;
+ int h, v, d, n, t, hv;
+ n = 0;
+ h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0);
+ v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0);
+ d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) !=
+ 0) + ((f & T1_SIG_SE) !=
+ 0) + ((f & T1_SIG_SW) != 0);
+ switch (orient) {
+ case 2:
+ t = h;
+ h = v;
+ v = t;
+ case 0:
+ case 1:
+ if (!h) {
+ if (!v) {
+ if (!d)
+ n = 0;
+ else if (d == 1)
+ n = 1;
+ else
+ n = 2;
+ } else if (v == 1)
+ n = 3;
+ else
+ n = 4;
+ } else if (h == 1) {
+ if (!v) {
+ if (!d)
+ n = 5;
+ else
+ n = 6;
+ } else
+ n = 7;
+ } else
+ n = 8;
+ break;
+ case 3:
+ hv = h + v;
+ if (!d) {
+ if (!hv)
+ n = 0;
+ else if (hv == 1)
+ n = 1;
+ else
+ n = 2;
+ } else if (d == 1) {
+ if (!hv)
+ n = 3;
+ else if (hv == 1)
+ n = 4;
+ else
+ n = 5;
+ } else if (d == 2) {
+ if (!hv)
+ n = 6;
+ else
+ n = 7;
+ } else
+ n = 8;
+ break;
+ }
+ return T1_CTXNO_ZC + n;
}
int t1_init_ctxno_sc(int f)
{
- int hc, vc, n;
- n = 0;
- hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
- 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == (T1_SIG_E | T1_SGN_E)) + ((f & (T1_SIG_W | T1_SGN_W)) ==
- (T1_SIG_W | T1_SGN_W)), 1);
- vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
- 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == (T1_SIG_N | T1_SGN_N)) + ((f & (T1_SIG_S | T1_SGN_S)) ==
- (T1_SIG_S | T1_SGN_S)), 1);
- if (hc < 0) {
- hc = -hc;
- vc = -vc;
- }
- if (!hc) {
- if (vc == -1)
- n = 1;
- else if (!vc)
- n = 0;
- else
- n = 1;
- } else if (hc == 1) {
- if (vc == -1)
- n = 2;
- else if (!vc)
- n = 3;
- else
- n = 4;
- }
- return T1_CTXNO_SC + n;
+ int hc, vc, n;
+ n = 0;
+ hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
+ 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ (T1_SIG_E | T1_SGN_E)) +
+ ((f & (T1_SIG_W | T1_SGN_W)) ==
+ (T1_SIG_W | T1_SGN_W)), 1);
+ vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
+ 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ (T1_SIG_N | T1_SGN_N)) +
+ ((f & (T1_SIG_S | T1_SGN_S)) ==
+ (T1_SIG_S | T1_SGN_S)), 1);
+ if (hc < 0) {
+ hc = -hc;
+ vc = -vc;
+ }
+ if (!hc) {
+ if (vc == -1)
+ n = 1;
+ else if (!vc)
+ n = 0;
+ else
+ n = 1;
+ } else if (hc == 1) {
+ if (vc == -1)
+ n = 2;
+ else if (!vc)
+ n = 3;
+ else
+ n = 4;
+ }
+ return T1_CTXNO_SC + n;
}
int t1_init_ctxno_mag(int f)
{
- int n;
- if (!(f & T1_REFINE))
- n = (f & (T1_SIG_OTH)) ? 1 : 0;
- else
- n = 2;
- return T1_CTXNO_MAG + n;
+ int n;
+ if (!(f & T1_REFINE))
+ n = (f & (T1_SIG_OTH)) ? 1 : 0;
+ else
+ n = 2;
+ return T1_CTXNO_MAG + n;
}
int t1_init_spb(int f)
{
- int hc, vc, n;
- hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
- 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == (T1_SIG_E | T1_SGN_E)) + ((f & (T1_SIG_W | T1_SGN_W)) ==
- (T1_SIG_W | T1_SGN_W)), 1);
- vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
- 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == (T1_SIG_N | T1_SGN_N)) + ((f & (T1_SIG_S | T1_SGN_S)) ==
- (T1_SIG_S | T1_SGN_S)), 1);
- if (!hc && !vc)
- n = 0;
- else
- n = (!(hc > 0 || (!hc && vc > 0)));
- return n;
+ int hc, vc, n;
+ hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
+ 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ (T1_SIG_E | T1_SGN_E)) +
+ ((f & (T1_SIG_W | T1_SGN_W)) ==
+ (T1_SIG_W | T1_SGN_W)), 1);
+ vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
+ 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ (T1_SIG_N | T1_SGN_N)) +
+ ((f & (T1_SIG_S | T1_SGN_S)) ==
+ (T1_SIG_S | T1_SGN_S)), 1);
+ if (!hc && !vc)
+ n = 0;
+ else
+ n = (!(hc > 0 || (!hc && vc > 0)));
+ return n;
}
void t1_init_luts()
{
- int i, j;
- double u, v, t;
- for (j = 0; j < 4; j++) {
- for (i = 0; i < 256; ++i) {
- t1_lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j);
- }
- }
- for (i = 0; i < 256; i++) {
- t1_lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4);
- }
- for (j = 0; j < 2; j++) {
- for (i = 0; i < 2048; ++i) {
- t1_lut_ctxno_mag[(j << 11) + i] =
- t1_init_ctxno_mag((j ? T1_REFINE : 0) | i);
- }
- }
+ int i, j;
+ double u, v, t;
+ for (j = 0; j < 4; j++) {
for (i = 0; i < 256; ++i) {
- t1_lut_spb[i] = t1_init_spb(i << 4);
+ t1_lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j);
}
- /* FIXME FIXME FIXME */
- /* printf("nmsedec luts:\n"); */
- for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) {
- t = i / pow(2, T1_NMSEDEC_FRACBITS);
- u = t;
- v = t - 1.5;
- t1_lut_nmsedec_sig[i] = int_max(0, (int) (floor((u * u - v * v) * pow(2,T1_NMSEDEC_FRACBITS) +
- 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
- t1_lut_nmsedec_sig0[i] = int_max(0, (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) /
- pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
- u = t - 1.0;
- if (i & (1 << (T1_NMSEDEC_BITS - 1))) {
- v = t - 1.5;
- } else {
- v = t - 0.5;
- }
- t1_lut_nmsedec_ref[i] = int_max(0, (int) (floor((u * u - v * v) * pow(2,T1_NMSEDEC_FRACBITS) +
- 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
- t1_lut_nmsedec_ref0[i] = int_max(0, (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) /
- pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ }
+ for (i = 0; i < 256; i++) {
+ t1_lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4);
+ }
+ for (j = 0; j < 2; j++) {
+ for (i = 0; i < 2048; ++i) {
+ t1_lut_ctxno_mag[(j << 11) + i] =
+ t1_init_ctxno_mag((j ? T1_REFINE : 0) | i);
}
+ }
+ for (i = 0; i < 256; ++i) {
+ t1_lut_spb[i] = t1_init_spb(i << 4);
+ }
+ /* FIXME FIXME FIXME */
+ /* printf("nmsedec luts:\n"); */
+ for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) {
+ t = i / pow(2, T1_NMSEDEC_FRACBITS);
+ u = t;
+ v = t - 1.5;
+ t1_lut_nmsedec_sig[i] =
+ int_max(0,
+ (int) (floor
+ ((u * u - v * v) * pow(2,
+ T1_NMSEDEC_FRACBITS) +
+ 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ t1_lut_nmsedec_sig0[i] =
+ int_max(0,
+ (int) (floor
+ ((u * u) * pow(2, T1_NMSEDEC_FRACBITS) +
+ 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ u = t - 1.0;
+ if (i & (1 << (T1_NMSEDEC_BITS - 1))) {
+ v = t - 1.5;
+ } else {
+ v = t - 0.5;
+ }
+ t1_lut_nmsedec_ref[i] =
+ int_max(0,
+ (int) (floor
+ ((u * u - v * v) * pow(2,
+ T1_NMSEDEC_FRACBITS) +
+ 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ t1_lut_nmsedec_ref0[i] =
+ int_max(0,
+ (int) (floor
+ ((u * u) * pow(2, T1_NMSEDEC_FRACBITS) +
+ 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ }
}
void t2_putcommacode(int n)
{
- while (--n >= 0) {
- bio_write(1, 1);
- }
- bio_write(0, 1);
+ while (--n >= 0) {
+ bio_write(1, 1);
+ }
+ bio_write(0, 1);
}
int t2_getcommacode()
{
- int n;
- for (n = 0; bio_read(1); n++) {
- }
- return n;
+ int n;
+ for (n = 0; bio_read(1); n++) {
+ }
+ return n;
}
/* <summary> */
/* <\summary> */
void t2_putnumpasses(int n)
{
- if (n == 1) {
- bio_write(0, 1);
- } else if (n == 2) {
- bio_write(2, 2);
- } else if (n <= 5) {
- bio_write(0xc | (n - 3), 4);
- } else if (n <= 36) {
- bio_write(0x1e0 | (n - 6), 9);
- } else if (n <= 164) {
- bio_write(0xff80 | (n - 37), 16);
- }
+ if (n == 1) {
+ bio_write(0, 1);
+ } else if (n == 2) {
+ bio_write(2, 2);
+ } else if (n <= 5) {
+ bio_write(0xc | (n - 3), 4);
+ } else if (n <= 36) {
+ bio_write(0x1e0 | (n - 6), 9);
+ } else if (n <= 164) {
+ bio_write(0xff80 | (n - 37), 16);
+ }
}
int t2_getnumpasses()
{
- int n;
- if (!bio_read(1))
- return 1;
- if (!bio_read(1))
- return 2;
- if ((n = bio_read(2)) != 3)
- return 3 + n;
- if ((n = bio_read(5)) != 31)
- return 6 + n;
- return 37 + bio_read(7);
+ int n;
+ if (!bio_read(1))
+ return 1;
+ if (!bio_read(1))
+ return 2;
+ if ((n = bio_read(2)) != 3)
+ return 3 + n;
+ if ((n = bio_read(5)) != 31)
+ return 6 + n;
+ return 37 + bio_read(7);
}
/*
* info_IM : structure to create an index file
* tileno : number of the tile encoded
*/
-int t2_encode_packet(tcd_tile_t * tile, j2k_tcp_t * tcp, int compno, int resno, int precno, int layno, unsigned char *dest,
+int t2_encode_packet(tcd_tile_t * tile, j2k_tcp_t * tcp, int compno,
+ int resno, int precno, int layno, unsigned char *dest,
int len, info_image * info_IM, int tileno)
{
- int bandno, cblkno;
- unsigned char *sop = 0, *eph = 0;
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- tcd_resolution_t *res = &tilec->resolutions[resno];
- unsigned char *c = dest;
+ int bandno, cblkno;
+ unsigned char *sop = 0, *eph = 0;
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ tcd_resolution_t *res = &tilec->resolutions[resno];
+ unsigned char *c = dest;
+
+ /* <SOP 0xff91> */
+ if (tcp->csty & J2K_CP_CSTY_SOP) {
+ sop = (unsigned char *) malloc(6 * sizeof(unsigned char));
+ sop[0] = 255;
+ sop[1] = 145;
+ sop[2] = 0;
+ sop[3] = 4;
+ sop[4] = (info_IM->num % 65536) / 256;
+ sop[5] = (info_IM->num % 65536) % 256;
+ memcpy(c, sop, 6);
+ free(sop);
+ c += 6;
+ }
+ /* </SOP> */
- /* <SOP 0xff91> */
- if (tcp->csty & J2K_CP_CSTY_SOP) {
- sop = (unsigned char *) malloc(6 * sizeof(unsigned char));
- sop[0] = 255;
- sop[1] = 145;
- sop[2] = 0;
- sop[3] = 4;
- sop[4] = (info_IM->num % 65536) / 256;
- sop[5] = (info_IM->num % 65536) % 256;
- memcpy(c, sop, 6);
- free(sop);
- c += 6;
- }
- /* </SOP> */
-
- if (!layno) {
- for (bandno = 0; bandno < res->numbands; bandno++) {
- tcd_band_t *band = &res->bands[bandno];
- tcd_precinct_t *prc = &band->precincts[precno];
- tgt_reset(prc->incltree);
- tgt_reset(prc->imsbtree);
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- cblk->numpasses = 0;
- tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk->numbps);
- }
- }
+ if (!layno) {
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ tcd_precinct_t *prc = &band->precincts[precno];
+ tgt_reset(prc->incltree);
+ tgt_reset(prc->imsbtree);
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ cblk->numpasses = 0;
+ tgt_setvalue(prc->imsbtree, cblkno,
+ band->numbps - cblk->numbps);
+ }
}
+ }
- bio_init_enc(c, len);
- bio_write(1, 1); /* Empty header bit */
-
- /* Writing Packet header */
- for (bandno = 0; bandno < res->numbands; bandno++) {
- tcd_band_t *band = &res->bands[bandno];
- tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- tcd_layer_t *layer = &cblk->layers[layno];
- if (!cblk->numpasses && layer->numpasses) {
- tgt_setvalue(prc->incltree, cblkno, layno);
- }
+ bio_init_enc(c, len);
+ bio_write(1, 1); /* Empty header bit */
+
+ /* Writing Packet header */
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ tcd_layer_t *layer = &cblk->layers[layno];
+ if (!cblk->numpasses && layer->numpasses) {
+ tgt_setvalue(prc->incltree, cblkno, layno);
+ }
+ }
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ tcd_layer_t *layer = &cblk->layers[layno];
+ int increment = 0;
+ int nump = 0;
+ int len = 0, passno;
+ /* cblk inclusion bits */
+ if (!cblk->numpasses) {
+ tgt_encode(prc->incltree, cblkno, layno + 1);
+ } else {
+ bio_write(layer->numpasses != 0, 1);
+ }
+ /* if cblk not included, go to the next cblk */
+ if (!layer->numpasses) {
+ continue;
+ }
+ /* if first instance of cblk --> zero bit-planes information */
+ if (!cblk->numpasses) {
+ cblk->numlenbits = 3;
+ tgt_encode(prc->imsbtree, cblkno, 999);
+ }
+ /* number of coding passes included */
+ t2_putnumpasses(layer->numpasses);
+
+ /* computation of the increase of the length indicator and insertion in the header */
+ for (passno = cblk->numpasses;
+ passno < cblk->numpasses + layer->numpasses; passno++) {
+ tcd_pass_t *pass = &cblk->passes[passno];
+ nump++;
+ len += pass->len;
+ if (pass->term
+ || passno ==
+ (cblk->numpasses + layer->numpasses) - 1) {
+ increment =
+ int_max(increment,
+ int_floorlog2(len) + 1 -
+ (cblk->numlenbits + int_floorlog2(nump)));
+ len = 0;
+ nump = 0;
}
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- tcd_layer_t *layer = &cblk->layers[layno];
- int increment = 0;
- int nump = 0;
- int len = 0, passno;
- /* cblk inclusion bits */
- if (!cblk->numpasses) {
- tgt_encode(prc->incltree, cblkno, layno + 1);
- } else {
- bio_write(layer->numpasses != 0, 1);
- }
- /* if cblk not included, go to the next cblk */
- if (!layer->numpasses) {
- continue;
- }
- /* if first instance of cblk --> zero bit-planes information */
- if (!cblk->numpasses) {
- cblk->numlenbits = 3;
- tgt_encode(prc->imsbtree, cblkno, 999);
- }
- /* number of coding passes included */
- t2_putnumpasses(layer->numpasses);
-
- /* computation of the increase of the length indicator and insertion in the header */
- for (passno = cblk->numpasses;
- passno < cblk->numpasses + layer->numpasses; passno++) {
- tcd_pass_t *pass = &cblk->passes[passno];
- nump++;
- len += pass->len;
- if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
- increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump)));
- len = 0;
- nump = 0;
- }
- }
- t2_putcommacode(increment);
- /* computation of the new Length indicator */
- cblk->numlenbits += increment;
- /* insertion of the codeword segment length */
-
- for (passno = cblk->numpasses;
- passno < cblk->numpasses + layer->numpasses; passno++) {
- tcd_pass_t *pass = &cblk->passes[passno];
- nump++;
- len += pass->len;
- if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
- bio_write(len, cblk->numlenbits + int_floorlog2(nump));
- len = 0;
- nump = 0;
- }
- }
+ }
+ t2_putcommacode(increment);
+ /* computation of the new Length indicator */
+ cblk->numlenbits += increment;
+ /* insertion of the codeword segment length */
+
+ for (passno = cblk->numpasses;
+ passno < cblk->numpasses + layer->numpasses; passno++) {
+ tcd_pass_t *pass = &cblk->passes[passno];
+ nump++;
+ len += pass->len;
+ if (pass->term
+ || passno ==
+ (cblk->numpasses + layer->numpasses) - 1) {
+ bio_write(len, cblk->numlenbits + int_floorlog2(nump));
+ len = 0;
+ nump = 0;
}
+ }
}
+ }
- if (bio_flush())
- return -999; /* modified to eliminate longjmp !! */
+ if (bio_flush())
+ return -999; /* modified to eliminate longjmp !! */
- c += bio_numbytes();
-
- /* <EPH 0xff92> */
- if (tcp->csty & J2K_CP_CSTY_EPH) {
- eph = (unsigned char *) malloc(2 * sizeof(unsigned char));
- eph[0] = 255;
- eph[1] = 146;
- memcpy(c, eph, 2);
- free(eph);
- c += 2;
- }
- /* </EPH> */
+ c += bio_numbytes();
- /* Writing the packet body */
+ /* <EPH 0xff92> */
+ if (tcp->csty & J2K_CP_CSTY_EPH) {
+ eph = (unsigned char *) malloc(2 * sizeof(unsigned char));
+ eph[0] = 255;
+ eph[1] = 146;
+ memcpy(c, eph, 2);
+ free(eph);
+ c += 2;
+ }
+ /* </EPH> */
+
+ /* Writing the packet body */
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ tcd_layer_t *layer = &cblk->layers[layno];
+ if (!layer->numpasses) {
+ continue;
+ }
+ if (c + layer->len > dest + len) {
+ return -999;
+ }
- for (bandno = 0; bandno < res->numbands; bandno++) {
- tcd_band_t *band = &res->bands[bandno];
- tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- tcd_layer_t *layer = &cblk->layers[layno];
- if (!layer->numpasses) {
- continue;
- }
- if (c + layer->len > dest + len) {
- return -999;
- }
-
- memcpy(c, layer->data, layer->len);
- cblk->numpasses += layer->numpasses;
- c += layer->len;
- /* ADD for index Cfr. Marcela --> delta disto by packet */
- if (info_IM->index_write && info_IM->index_on) {
- info_tile *info_TL = &info_IM->tile[tileno];
- info_packet *info_PK = &info_TL->packet[info_IM->num];
- info_PK->disto += layer->disto;
- if (info_IM->D_max < info_PK->disto)
- info_IM->D_max = info_PK->disto;
- } /* </ADD> */
- }
+ memcpy(c, layer->data, layer->len);
+ cblk->numpasses += layer->numpasses;
+ c += layer->len;
+ /* ADD for index Cfr. Marcela --> delta disto by packet */
+ if (info_IM->index_write && info_IM->index_on) {
+ info_tile *info_TL = &info_IM->tile[tileno];
+ info_packet *info_PK = &info_TL->packet[info_IM->num];
+ info_PK->disto += layer->disto;
+ if (info_IM->D_max < info_PK->disto)
+ info_IM->D_max = info_PK->disto;
+ } /* </ADD> */
}
- return c - dest;
+ }
+ return c - dest;
}
void t2_init_seg(tcd_seg_t * seg, int cblksty, int first)
{
- seg->numpasses = 0;
- seg->len = 0;
- if (cblksty & J2K_CCP_CBLKSTY_TERMALL)
- seg->maxpasses = 1;
- else if (cblksty & J2K_CCP_CBLKSTY_LAZY) {
- if (first)
- seg->maxpasses = 10;
- else
- seg->maxpasses = (((seg - 1)->maxpasses == 1) || ((seg - 1)->maxpasses == 10)) ? 2 : 1;
- } else
- seg->maxpasses = 109;
+ seg->numpasses = 0;
+ seg->len = 0;
+ if (cblksty & J2K_CCP_CBLKSTY_TERMALL)
+ seg->maxpasses = 1;
+ else if (cblksty & J2K_CCP_CBLKSTY_LAZY) {
+ if (first)
+ seg->maxpasses = 10;
+ else
+ seg->maxpasses = (((seg - 1)->maxpasses == 1)
+ || ((seg - 1)->maxpasses == 10)) ? 2 : 1;
+ } else
+ seg->maxpasses = 109;
}
/*
* precno : Identity of the packet --> precinct value
* layno : Identity of the packet --> quality layer value
*/
-int t2_decode_packet(unsigned char *src, int len, tcd_tile_t * tile, j2k_cp_t * cp, j2k_tcp_t * tcp, int compno, int resno, int precno, int layno)
+int t2_decode_packet(unsigned char *src, int len, tcd_tile_t * tile,
+ j2k_cp_t * cp, j2k_tcp_t * tcp, int compno, int resno,
+ int precno, int layno)
{
- int bandno, cblkno;
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- tcd_resolution_t *res = &tilec->resolutions[resno];
- unsigned char *c = src;
- int present;
-
- if (layno == 0)
- {
- for (bandno = 0; bandno < res->numbands; bandno++)
- {
- tcd_band_t *band = &res->bands[bandno];
- tcd_precinct_t *prc = &band->precincts[precno];
- tgt_reset(prc->incltree);
- tgt_reset(prc->imsbtree);
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++)
- {
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- cblk->numsegs = 0;
+ int bandno, cblkno;
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ tcd_resolution_t *res = &tilec->resolutions[resno];
+ unsigned char *c = src;
+ int present;
+
+ if (layno == 0) {
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ tcd_precinct_t *prc = &band->precincts[precno];
+ tgt_reset(prc->incltree);
+ tgt_reset(prc->imsbtree);
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ cblk->numsegs = 0;
}
}
}
-
- /* When the marker PPT/PPM is used the packet header are store in PPT/PPM marker
- This part deal with this caracteristic
- step 1: Read packet header in the saved structure
- step 2: (futher) return to codestream for decoding */
- if (cp->ppm == 1) /* PPM */
- {
- c=cp->ppm_data;
- bio_init_dec(c,1000);
- } else
- {
- if (tcp->ppt==1) /* PPT */
- {
- c=tcp->ppt_data;
- bio_init_dec(c,1000);
- } else /* Normal Case */
- {
- if (tcp->csty & J2K_CP_CSTY_SOP)
- {
- if ((*c)!=255 || (*(c+1)!=145)) {printf("Error : expected SOP marker [1]!!!\n");}
- c += 6;
+
+ /* When the marker PPT/PPM is used the packet header are store in PPT/PPM marker
+ This part deal with this caracteristic
+ step 1: Read packet header in the saved structure
+ step 2: (futher) return to codestream for decoding */
+ if (cp->ppm == 1) { /* PPM */
+ c = cp->ppm_data;
+ bio_init_dec(c, 1000);
+ } else {
+ if (tcp->ppt == 1) { /* PPT */
+ c = tcp->ppt_data;
+ bio_init_dec(c, 1000);
+ } else { /* Normal Case */
+
+ if (tcp->csty & J2K_CP_CSTY_SOP) {
+ if ((*c) != 255 || (*(c + 1) != 145)) {
+ printf("Error : expected SOP marker [1]!!!\n");
}
- bio_init_dec(c, src + len - c);
+ c += 6;
}
- }
-
- present = bio_read(1);
-
- if (!present)
- {
- bio_inalign();
- /* Normal case */
- c += bio_numbytes();
- if (tcp->csty & J2K_CP_CSTY_EPH)
- {
- if ((*c)!=255 || (*(c+1)!=146)) {printf("Error : expected EPH marker [1]!!!\n");}
- c += 2;
+ bio_init_dec(c, src + len - c);
}
-
- /* PPT and PPM dealing */
- if (cp->ppm == 1) /* PPM */
- {
- cp->ppm_data=c;
- return 0;
+ }
+
+ present = bio_read(1);
+
+ if (!present) {
+ bio_inalign();
+ /* Normal case */
+ c += bio_numbytes();
+ if (tcp->csty & J2K_CP_CSTY_EPH) {
+ if ((*c) != 255 || (*(c + 1) != 146)) {
+ printf("Error : expected EPH marker [1]!!!\n");
+ }
+ c += 2;
+ }
+
+ /* PPT and PPM dealing */
+ if (cp->ppm == 1) { /* PPM */
+ cp->ppm_data = c;
+ return 0;
}
- if (tcp->ppt==1) /* PPT */
- {
- tcp->ppt_data=c;
- return 0;
+ if (tcp->ppt == 1) { /* PPT */
+ tcp->ppt_data = c;
+ return 0;
}
- return c - src;
+ return c - src;
}
- for (bandno = 0; bandno < res->numbands; bandno++)
- {
- tcd_band_t *band = &res->bands[bandno];
- tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++)
- {
- int included, increment, n;
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- tcd_seg_t *seg;
- /* if cblk not yet included before --> inclusion tagtree */
- if (!cblk->numsegs)
- {
- included = tgt_decode(prc->incltree, cblkno, layno + 1);
- /* else one bit */
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ int included, increment, n;
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ tcd_seg_t *seg;
+ /* if cblk not yet included before --> inclusion tagtree */
+ if (!cblk->numsegs) {
+ included = tgt_decode(prc->incltree, cblkno, layno + 1);
+ /* else one bit */
} else {
- included = bio_read(1);
+ included = bio_read(1);
}
- /* if cblk not included */
- if (!included)
- {
- cblk->numnewpasses = 0;
- continue;
+ /* if cblk not included */
+ if (!included) {
+ cblk->numnewpasses = 0;
+ continue;
}
- /* if cblk not yet included --> zero-bitplane tagtree */
- if (!cblk->numsegs)
- {
- int i, numimsbs;
- for (i = 0; !tgt_decode(prc->imsbtree, cblkno, i); i++) {
- }
- numimsbs = i - 1;
- cblk->numbps = band->numbps - numimsbs;
- cblk->numlenbits = 3;
+ /* if cblk not yet included --> zero-bitplane tagtree */
+ if (!cblk->numsegs) {
+ int i, numimsbs;
+ for (i = 0; !tgt_decode(prc->imsbtree, cblkno, i); i++) {
+ }
+ numimsbs = i - 1;
+ cblk->numbps = band->numbps - numimsbs;
+ cblk->numlenbits = 3;
}
/* number of coding passes */
cblk->numnewpasses = t2_getnumpasses();
/* length indicator increment */
cblk->numlenbits += increment;
if (!cblk->numsegs) {
- seg = &cblk->segs[0];
- t2_init_seg(seg, tcp->tccps[compno].cblksty, 1);
+ seg = &cblk->segs[0];
+ t2_init_seg(seg, tcp->tccps[compno].cblksty, 1);
} else {
- seg = &cblk->segs[cblk->numsegs - 1];
- if (seg->numpasses == seg->maxpasses) {
- t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);
- }
+ seg = &cblk->segs[cblk->numsegs - 1];
+ if (seg->numpasses == seg->maxpasses) {
+ t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);
+ }
}
n = cblk->numnewpasses;
do {
- seg->numnewpasses = int_min(seg->maxpasses - seg->numpasses, n);
- seg->newlen = bio_read(cblk->numlenbits + int_floorlog2(seg->numnewpasses));
- n -= seg->numnewpasses;
- if (n > 0) {
- t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);
- }
+ seg->numnewpasses =
+ int_min(seg->maxpasses - seg->numpasses, n);
+ seg->newlen =
+ bio_read(cblk->numlenbits +
+ int_floorlog2(seg->numnewpasses));
+ n -= seg->numnewpasses;
+ if (n > 0) {
+ t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);
+ }
} while (n > 0);
- }
}
- if (bio_inalign())
- return -999;
+ }
+ if (bio_inalign())
+ return -999;
- c += bio_numbytes();
+ c += bio_numbytes();
- if (tcp->csty & J2K_CP_CSTY_EPH) { /* EPH marker */
- if ((*c)!=255 || (*(c+1)!=146)) {
- printf("Error : expected EPH marker [2]!!!\n"); }
- c += 2;
+ if (tcp->csty & J2K_CP_CSTY_EPH) { /* EPH marker */
+ if ((*c) != 255 || (*(c + 1) != 146)) {
+ printf("Error : expected EPH marker [2]!!!\n");
}
-
- /* PPT Step 2 : see above for details */
- if (cp->ppm==1)
- {
- cp->ppm_data=c; /* Update pointer */
-
- c=src;
- if (tcp->csty & J2K_CP_CSTY_SOP)
- {
- if ((*c)!=255 || (*(c+1)!=145)) {printf("Error : expected SOP marker [2] !!!\n"); }
+ c += 2;
+ }
+
+ /* PPT Step 2 : see above for details */
+ if (cp->ppm == 1) {
+ cp->ppm_data = c; /* Update pointer */
+
+ c = src;
+ if (tcp->csty & J2K_CP_CSTY_SOP) {
+ if ((*c) != 255 || (*(c + 1) != 145)) {
+ printf("Error : expected SOP marker [2] !!!\n");
+ }
+ c += 6;
+ }
+ bio_init_dec(c, src + len - c);
+ } else {
+ if (tcp->ppt == 1) {
+ tcp->ppt_data = c; /* Update pointer */
+ c = src;
+ if (tcp->csty & J2K_CP_CSTY_SOP) { /* SOP marker */
+ if ((*c) != 255 || (*(c + 1) != 145)) {
+ printf("Error : expected SOP marker [2] !!!\n");
+ }
c += 6;
- }
- bio_init_dec(c,src + len - c);
- } else
- {
- if (tcp->ppt==1)
- {
- tcp->ppt_data=c; /* Update pointer */
- c=src;
- if (tcp->csty & J2K_CP_CSTY_SOP) /* SOP marker */
- {
- if ((*c)!=255 || (*(c+1)!=145)) {printf("Error : expected SOP marker [2] !!!\n"); }
- c += 6;
- }
- bio_init_dec(c,src + len - c);
+ }
+ bio_init_dec(c, src + len - c);
+
+ }
+ }
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ tcd_seg_t *seg;
+ if (!cblk->numnewpasses)
+ continue;
+ if (!cblk->numsegs) {
+ seg = &cblk->segs[cblk->numsegs++];
+ cblk->len = 0;
+ } else {
+ seg = &cblk->segs[cblk->numsegs - 1];
+ if (seg->numpasses == seg->maxpasses) {
+ seg++;
+ cblk->numsegs++;
}
}
-
- for (bandno = 0; bandno < res->numbands; bandno++) {
- tcd_band_t *band = &res->bands[bandno];
- tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- tcd_seg_t *seg;
- if (!cblk->numnewpasses)
- continue;
- if (!cblk->numsegs) {
- seg = &cblk->segs[cblk->numsegs++];
- cblk->len = 0;
- } else {
- seg = &cblk->segs[cblk->numsegs - 1];
- if (seg->numpasses == seg->maxpasses) {
- seg++;
- cblk->numsegs++;
- }
- }
- do {
- if (c + seg->newlen > src + len){
- return -999;}
-
- memcpy(cblk->data + cblk->len, c, seg->newlen);
- if (seg->numpasses == 0) {
- seg->data = cblk->data + cblk->len;
- }
- c += seg->newlen;
- cblk->len += seg->newlen;
- seg->len += seg->newlen;
- seg->numpasses += seg->numnewpasses;
- cblk->numnewpasses -= seg->numnewpasses;
- if (cblk->numnewpasses > 0) {
- seg++;
- cblk->numsegs++;
- }
- } while (cblk->numnewpasses > 0);
+ do {
+ if (c + seg->newlen > src + len) {
+ return -999;
+ }
+
+ memcpy(cblk->data + cblk->len, c, seg->newlen);
+ if (seg->numpasses == 0) {
+ seg->data = cblk->data + cblk->len;
+ }
+ c += seg->newlen;
+ cblk->len += seg->newlen;
+ seg->len += seg->newlen;
+ seg->numpasses += seg->numnewpasses;
+ cblk->numnewpasses -= seg->numnewpasses;
+ if (cblk->numnewpasses > 0) {
+ seg++;
+ cblk->numsegs++;
}
+ } while (cblk->numnewpasses > 0);
}
+ }
- return c - src;
+ return c - src;
}
* len : the length of the destination buffer
* info_IM : structure to create an index file
*/
-int t2_encode_packets(j2k_image_t * img, j2k_cp_t * cp, int tileno, tcd_tile_t * tile, int maxlayers, unsigned char *dest, int len, info_image * info_IM)
+int t2_encode_packets(j2k_image_t * img, j2k_cp_t * cp, int tileno,
+ tcd_tile_t * tile, int maxlayers,
+ unsigned char *dest, int len, info_image * info_IM)
{
- unsigned char *c = dest;
- int e = 0;
- pi_iterator_t *pi;
- int pino, compno;
-
- pi = pi_create(img, cp, tileno);
-
- for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
- while (pi_next(&pi[pino])) {
- if (pi[pino].layno < maxlayers) {
- e = t2_encode_packet(tile, &cp->tcps[tileno], pi[pino].compno,
- pi[pino].resno, pi[pino].precno, pi[pino].layno,
- c, dest + len - c, info_IM, tileno);
- if (e == -999) {
- break;
- } else
- c += e;
- /* INDEX >> */
- if (info_IM->index_write && info_IM->index_on) {
- info_tile *info_TL = &info_IM->tile[tileno];
- info_packet *info_PK = &info_TL->packet[info_IM->num];
- if (!info_IM->num) {
- info_PK->start_pos = info_TL->end_header + 1;
- } else {
- info_PK->start_pos =
- info_TL->packet[info_IM->num - 1].end_pos + 1;
- }
- info_PK->end_pos = info_PK->start_pos + e - 1;
-
- }
- /* << INDEX */
- if ((info_IM->index_write
- && cp->tcps[tileno].csty & J2K_CP_CSTY_SOP)
- || (info_IM->index_write && info_IM->index_on)) {
- info_IM->num++;
- }
- }
+ unsigned char *c = dest;
+ int e = 0;
+ pi_iterator_t *pi;
+ int pino, compno;
+
+ pi = pi_create(img, cp, tileno);
+
+ for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
+ while (pi_next(&pi[pino])) {
+ if (pi[pino].layno < maxlayers) {
+ e = t2_encode_packet(tile, &cp->tcps[tileno],
+ pi[pino].compno, pi[pino].resno,
+ pi[pino].precno, pi[pino].layno, c,
+ dest + len - c, info_IM, tileno);
+ if (e == -999) {
+ break;
+ } else
+ c += e;
+ /* INDEX >> */
+ if (info_IM->index_write && info_IM->index_on) {
+ info_tile *info_TL = &info_IM->tile[tileno];
+ info_packet *info_PK = &info_TL->packet[info_IM->num];
+ if (!info_IM->num) {
+ info_PK->start_pos = info_TL->end_header + 1;
+ } else {
+ info_PK->start_pos =
+ info_TL->packet[info_IM->num - 1].end_pos + 1;
+ }
+ info_PK->end_pos = info_PK->start_pos + e - 1;
}
-
- /* FREE space memory taken by pi */
- for (compno = 0; compno < pi[pino].numcomps; compno++) {
- free(pi[pino].comps[compno].resolutions);
+ /* << INDEX */
+ if ((info_IM->index_write
+ && cp->tcps[tileno].csty & J2K_CP_CSTY_SOP)
+ || (info_IM->index_write && info_IM->index_on)) {
+ info_IM->num++;
}
- free(pi[pino].comps);
+ }
+
}
- free(pi[0].include);
- free(pi);
- if (e == -999)
- return e;
- else
- return c - dest;
+
+ /* FREE space memory taken by pi */
+ for (compno = 0; compno < pi[pino].numcomps; compno++) {
+ free(pi[pino].comps[compno].resolutions);
+ }
+ free(pi[pino].comps);
+ }
+ free(pi[0].include);
+ free(pi);
+ if (e == -999)
+ return e;
+ else
+ return c - dest;
}
* tileno: number that identifies the tile for which to decode the packets
* tile: tile for which to decode the packets
*/
-int t2_decode_packets(unsigned char *src, int len, j2k_image_t * img, j2k_cp_t * cp, int tileno, tcd_tile_t * tile)
+int t2_decode_packets(unsigned char *src, int len, j2k_image_t * img,
+ j2k_cp_t * cp, int tileno, tcd_tile_t * tile)
{
- unsigned char *c = src;
- pi_iterator_t *pi;
- int pino, compno, e = 0;
- int n=0;
-
- pi = pi_create(img, cp, tileno);
-
- for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
- while (pi_next(&pi[pino]))
- {
- e = t2_decode_packet(c, src + len - c, tile, cp, &cp->tcps[tileno], pi[pino].compno,
- pi[pino].resno, pi[pino].precno, pi[pino].layno);
-
- /* progression in resolution */
- img->comps[pi[pino].compno].resno_decoded = e > 0 ? int_max(pi[pino].resno, img->comps[pi[pino].compno].resno_decoded) : img->comps[pi[pino].compno].resno_decoded;
- n++;
-
- if (e == -999) { /* ADD */
- break;
- } else
- c += e;
- }
-
- /* FREE space memory taken by pi */
- for (compno = 0; compno < pi[pino].numcomps; compno++) {
- free(pi[pino].comps[compno].resolutions);
+ unsigned char *c = src;
+ pi_iterator_t *pi;
+ int pino, compno, e = 0;
+ int n = 0;
+
+ pi = pi_create(img, cp, tileno);
+
+ for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
+ while (pi_next(&pi[pino])) {
+ e = t2_decode_packet(c, src + len - c, tile, cp,
+ &cp->tcps[tileno], pi[pino].compno,
+ pi[pino].resno, pi[pino].precno,
+ pi[pino].layno);
+
+ /* progression in resolution */
+ img->comps[pi[pino].compno].resno_decoded =
+ e > 0 ? int_max(pi[pino].resno,
+ img->comps[pi[pino].compno].
+ resno_decoded) : img->comps[pi[pino].
+ compno].
+ resno_decoded;
+ n++;
+
+ if (e == -999) { /* ADD */
+ break;
+ } else
+ c += e;
+ }
+
+ /* FREE space memory taken by pi */
+ for (compno = 0; compno < pi[pino].numcomps; compno++) {
+ free(pi[pino].comps[compno].resolutions);
+ }
+ free(pi[pino].comps);
}
- free(pi[pino].comps);
- }
- free(pi[0].include);
- free(pi);
-
- if (e == -999)
- return e;
- else
- return c - src;
+ free(pi[0].include);
+ free(pi);
+
+ if (e == -999)
+ return e;
+ else
+ return c - src;
}
* len : the length of the destination buffer
* info_IM : structure to create an index file
*/
-int t2_encode_packets(j2k_image_t * img, j2k_cp_t * cp, int tileno, tcd_tile_t * tile, int maxlayers, unsigned char *dest, int len, info_image * info_IM);
+int t2_encode_packets(j2k_image_t * img, j2k_cp_t * cp, int tileno,
+ tcd_tile_t * tile, int maxlayers,
+ unsigned char *dest, int len, info_image * info_IM);
/*
* Decode the packets of a tile from a source buffer
* tileno: number that identifies the tile for which to decode the packets
* tile: tile for which to decode the packets
*/
-int t2_decode_packets(unsigned char *src, int len, j2k_image_t * img, j2k_cp_t * cp, int tileno, tcd_tile_t * tile);
+int t2_decode_packets(unsigned char *src, int len, j2k_image_t * img,
+ j2k_cp_t * cp, int tileno, tcd_tile_t * tile);
#endif
void tcd_dump(tcd_image_t * img, int curtileno)
{
- int tileno, compno, resno, bandno, precno, cblkno;
- /* fprintf(stderr, "image {\n"); */
- fprintf(stderr, " tw=%d, th=%d x0 %d x1 %d\n", img->tw, img->th,
- tcd_img->x0, tcd_img->x1);
- for (tileno = 0; tileno < 1; tileno++) {
- tcd_tile_t *tile = &tcd_image.tiles[curtileno];
- /* fprintf(stderr, " tile {\n"); */
- /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n", tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps); */
- for (compno = 0; compno < tile->numcomps; compno++) {
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- /* fprintf(stderr, " tilec {\n"); */
- /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n", tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions); */
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- tcd_resolution_t *res = &tilec->resolutions[resno];
- /* fprintf(stderr, "\n res {\n"); */
- /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n", res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands); */
- for (bandno = 0; bandno < res->numbands; bandno++) {
- tcd_band_t *band = &res->bands[bandno];
- /* fprintf(stderr, " band {\n"); */
- /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%d, numbps=%d\n", band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps); */
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- tcd_precinct_t *prec = &band->precincts[precno];
- /* fprintf(stderr, " prec {\n"); */
- /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n", prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch); */
- for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
- /* tcd_cblk_t *cblk=&prec->cblks[cblkno]; */
- /* fprintf(stderr, " cblk {\n"); */
- /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d\n", cblk->x0, cblk->y0, cblk->x1, cblk->y1); */
- /* fprintf(stderr, " }\n"); */
- }
- /* fprintf(stderr, " }\n"); */
- }
- /* fprintf(stderr, " }\n"); */
- }
- /* fprintf(stderr, " }\n"); */
+ int tileno, compno, resno, bandno, precno, cblkno;
+ /* fprintf(stderr, "image {\n"); */
+ fprintf(stderr, " tw=%d, th=%d x0 %d x1 %d\n", img->tw, img->th,
+ tcd_img->x0, tcd_img->x1);
+ for (tileno = 0; tileno < 1; tileno++) {
+ tcd_tile_t *tile = &tcd_image.tiles[curtileno];
+ /* fprintf(stderr, " tile {\n"); */
+ /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n", tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps); */
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ /* fprintf(stderr, " tilec {\n"); */
+ /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n", tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions); */
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ tcd_resolution_t *res = &tilec->resolutions[resno];
+ /* fprintf(stderr, "\n res {\n"); */
+ /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n", res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands); */
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ /* fprintf(stderr, " band {\n"); */
+ /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%d, numbps=%d\n", band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps); */
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ tcd_precinct_t *prec = &band->precincts[precno];
+ /* fprintf(stderr, " prec {\n"); */
+ /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n", prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch); */
+ for (cblkno = 0; cblkno < prec->cw * prec->ch;
+ cblkno++) {
+ /* tcd_cblk_t *cblk=&prec->cblks[cblkno]; */
+ /* fprintf(stderr, " cblk {\n"); */
+ /* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d\n", cblk->x0, cblk->y0, cblk->x1, cblk->y1); */
+ /* fprintf(stderr, " }\n"); */
}
- /* fprintf(stderr, " }\n"); */
+ /* fprintf(stderr, " }\n"); */
+ }
+ /* fprintf(stderr, " }\n"); */
}
- /* fprintf(stderr, " }\n"); */
+ /* fprintf(stderr, " }\n"); */
+ }
+ /* fprintf(stderr, " }\n"); */
}
- /* fprintf(stderr, "}\n"); */
+ /* fprintf(stderr, " }\n"); */
+ }
+ /* fprintf(stderr, "}\n"); */
}
void tcd_malloc_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
- int tileno, compno, resno, bandno, precno, cblkno;
- tcd_img = img;
- tcd_cp = cp;
- tcd_image.tw = cp->tw;
- tcd_image.th = cp->th;
- tcd_image.tiles = (tcd_tile_t *) malloc(sizeof(tcd_tile_t));
-
- for (tileno = 0; tileno < 1; tileno++) {
- j2k_tcp_t *tcp = &cp->tcps[curtileno];
- int j;
- /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
- int p = curtileno % cp->tw; /* si numerotation matricielle .. */
- int q = curtileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
- /* tcd_tile_t *tile=&tcd_image.tiles[tileno]; */
- tile = tcd_image.tiles;
- /* 4 borders of the tile rescale on the image if necessary */
- tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
- tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
- tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
- tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
- tile->numcomps = img->numcomps;
- /* tile->PPT=img->PPT; */
- /* Modification of the RATE >> */
- for (j = 0; j < tcp->numlayers; j++) {
- tcp->rates[j] = ceil(tile->numcomps * (tile->x1 - tile->x0) * (tile->y1 - tile->y0) * img->comps[0].prec / (tcp->rates[j] * 8 * img->comps[0].dx * img->comps[0].dy));
- if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
- tcp->rates[j] = tcp->rates[j - 1] + 20;
- } else {
- if (!j && tcp->rates[j] < 30)
- tcp->rates[j] = 30;
- }
+ int tileno, compno, resno, bandno, precno, cblkno;
+ tcd_img = img;
+ tcd_cp = cp;
+ tcd_image.tw = cp->tw;
+ tcd_image.th = cp->th;
+ tcd_image.tiles = (tcd_tile_t *) malloc(sizeof(tcd_tile_t));
+
+ for (tileno = 0; tileno < 1; tileno++) {
+ j2k_tcp_t *tcp = &cp->tcps[curtileno];
+ int j;
+ /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
+ int p = curtileno % cp->tw; /* si numerotation matricielle .. */
+ int q = curtileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
+ /* tcd_tile_t *tile=&tcd_image.tiles[tileno]; */
+ tile = tcd_image.tiles;
+ /* 4 borders of the tile rescale on the image if necessary */
+ tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
+ tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
+ tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
+ tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
+ tile->numcomps = img->numcomps;
+ /* tile->PPT=img->PPT; */
+ /* Modification of the RATE >> */
+ for (j = 0; j < tcp->numlayers; j++) {
+ tcp->rates[j] =
+ ceil(tile->numcomps * (tile->x1 - tile->x0) *
+ (tile->y1 -
+ tile->y0) * img->comps[0].prec / (tcp->rates[j] * 8 *
+ img->comps[0].dx *
+ img->comps[0].dy));
+ if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
+ tcp->rates[j] = tcp->rates[j - 1] + 20;
+ } else {
+ if (!j && tcp->rates[j] < 30)
+ tcp->rates[j] = 30;
+ }
+ }
+ /* << Modification of the RATE */
+
+ tile->comps =
+ (tcd_tilecomp_t *) malloc(img->numcomps *
+ sizeof(tcd_tilecomp_t));
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ j2k_tccp_t *tccp = &tcp->tccps[compno];
+ /* tcd_tilecomp_t *tilec=&tile->comps[compno]; */
+ tilec = &tile->comps[compno];
+ /* border of each tile component (global) */
+ tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
+
+ tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
+ tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
+ tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
+
+ tilec->data =
+ (int *) malloc((tilec->x1 - tilec->x0) *
+ (tilec->y1 - tilec->y0) * sizeof(int));
+ tilec->numresolutions = tccp->numresolutions;
+
+ tilec->resolutions =
+ (tcd_resolution_t *) malloc(tilec->numresolutions *
+ sizeof(tcd_resolution_t));
+
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ int pdx, pdy;
+ int levelno = tilec->numresolutions - 1 - resno;
+ int tlprcxstart, tlprcystart, brprcxend, brprcyend;
+ int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
+ int cbgwidthexpn, cbgheightexpn;
+ int cblkwidthexpn, cblkheightexpn;
+ /* tcd_resolution_t *res=&tilec->resolutions[resno]; */
+
+ res = &tilec->resolutions[resno];
+
+ /* border for each resolution level (global) */
+ res->x0 = int_ceildivpow2(tilec->x0, levelno);
+ res->y0 = int_ceildivpow2(tilec->y0, levelno);
+ res->x1 = int_ceildivpow2(tilec->x1, levelno);
+ res->y1 = int_ceildivpow2(tilec->y1, levelno);
+
+ res->numbands = resno == 0 ? 1 : 3;
+ /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
+ if (tccp->csty & J2K_CCP_CSTY_PRT) {
+ pdx = tccp->prcw[resno];
+ pdy = tccp->prch[resno];
+ } else {
+ pdx = 15;
+ pdy = 15;
+ }
+ /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
+ tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
+ tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
+ brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
+ brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
+
+ res->pw = (brprcxend - tlprcxstart) >> pdx;
+ res->ph = (brprcyend - tlprcystart) >> pdy;
+
+ if (resno == 0) {
+ tlcbgxstart = tlprcxstart;
+ tlcbgystart = tlprcystart;
+ brcbgxend = brprcxend;
+ brcbgyend = brprcyend;
+ cbgwidthexpn = pdx;
+ cbgheightexpn = pdy;
+ } else {
+ tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
+ tlcbgystart = int_ceildivpow2(tlprcystart, 1);
+ brcbgxend = int_ceildivpow2(brprcxend, 1);
+ brcbgyend = int_ceildivpow2(brprcyend, 1);
+ cbgwidthexpn = pdx - 1;
+ cbgheightexpn = pdy - 1;
}
- /* << Modification of the RATE */
-
- tile->comps = (tcd_tilecomp_t *) malloc(img->numcomps * sizeof(tcd_tilecomp_t));
- for (compno = 0; compno < tile->numcomps; compno++) {
- j2k_tccp_t *tccp = &tcp->tccps[compno];
- /* tcd_tilecomp_t *tilec=&tile->comps[compno]; */
- tilec = &tile->comps[compno];
- /* border of each tile component (global) */
- tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
-
- tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
- tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
- tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
-
- tilec->data = (int *) malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
- tilec->numresolutions = tccp->numresolutions;
-
- tilec->resolutions = (tcd_resolution_t *) malloc(tilec->numresolutions * sizeof(tcd_resolution_t));
-
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- int pdx, pdy;
- int levelno = tilec->numresolutions - 1 - resno;
- int tlprcxstart, tlprcystart, brprcxend, brprcyend;
- int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
- int cbgwidthexpn, cbgheightexpn;
- int cblkwidthexpn, cblkheightexpn;
- /* tcd_resolution_t *res=&tilec->resolutions[resno]; */
-
- res = &tilec->resolutions[resno];
-
- /* border for each resolution level (global) */
- res->x0 = int_ceildivpow2(tilec->x0, levelno);
- res->y0 = int_ceildivpow2(tilec->y0, levelno);
- res->x1 = int_ceildivpow2(tilec->x1, levelno);
- res->y1 = int_ceildivpow2(tilec->y1, levelno);
-
- res->numbands = resno == 0 ? 1 : 3;
- /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
- if (tccp->csty & J2K_CCP_CSTY_PRT) {
- pdx = tccp->prcw[resno];
- pdy = tccp->prch[resno];
- } else {
- pdx = 15;
- pdy = 15;
- }
- /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
- tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
- tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
- brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
- brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
-
- res->pw = (brprcxend - tlprcxstart) >> pdx;
- res->ph = (brprcyend - tlprcystart) >> pdy;
-
- if (resno == 0) {
- tlcbgxstart = tlprcxstart;
- tlcbgystart = tlprcystart;
- brcbgxend = brprcxend;
- brcbgyend = brprcyend;
- cbgwidthexpn = pdx;
- cbgheightexpn = pdy;
- } else {
- tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
- tlcbgystart = int_ceildivpow2(tlprcystart, 1);
- brcbgxend = int_ceildivpow2(brprcxend, 1);
- brcbgyend = int_ceildivpow2(brprcyend, 1);
- cbgwidthexpn = pdx - 1;
- cbgheightexpn = pdy - 1;
- }
-
- cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
- cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
-
- for (bandno = 0; bandno < res->numbands; bandno++) {
- int x0b, y0b, i;
- int gain, numbps;
- j2k_stepsize_t *ss;
- band = &res->bands[bandno];
- band->bandno = resno == 0 ? 0 : bandno + 1;
- x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
- y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
-
- if (band->bandno == 0) {
- /* band border (global) */
- band->x0 = int_ceildivpow2(tilec->x0, levelno);
- band->y0 = int_ceildivpow2(tilec->y0, levelno);
- band->x1 = int_ceildivpow2(tilec->x1, levelno);
- band->y1 = int_ceildivpow2(tilec->y1, levelno);
- } else {
- /* band border (global) */
- band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
- band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
- band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
- band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
-
- }
-
- ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
- gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
- numbps = img->comps[compno].prec + gain;
- band->stepsize = (int) floor((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn) * 8192.0);
- band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
-
- band->precincts = (tcd_precinct_t *) malloc(3 * res->pw * res->ph * sizeof(tcd_precinct_t));
-
- for (i = 0; i < res->pw * res->ph * 3; i++) {
- band->precincts[i].imsbtree = NULL;
- band->precincts[i].incltree = NULL;
- }
-
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
- int cbgxstart =
- tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
- int cbgystart =
- tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
- int cbgxend = cbgxstart + (1 << cbgwidthexpn);
- int cbgyend = cbgystart + (1 << cbgheightexpn);
- /* tcd_precinct_t *prc=&band->precincts[precno]; */
- prc = &band->precincts[precno];
- /* precinct size (global) */
- prc->x0 = int_max(cbgxstart, band->x0);
- prc->y0 = int_max(cbgystart, band->y0);
- prc->x1 = int_min(cbgxend, band->x1);
- prc->y1 = int_min(cbgyend, band->y1);
-
- tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
- tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
- brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
- brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
- prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
- prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
-
- prc->cblks = (tcd_cblk_t *) malloc((prc->cw * prc->ch) * sizeof(tcd_cblk_t));
- prc->incltree = tgt_create(prc->cw, prc->ch);
- prc->imsbtree = tgt_create(prc->cw, prc->ch);
-
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
- int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
- int cblkxend = cblkxstart + (1 << cblkwidthexpn);
- int cblkyend = cblkystart + (1 << cblkheightexpn);
-
- cblk = &prc->cblks[cblkno];
- /* code-block size (global) */
- cblk->x0 = int_max(cblkxstart, prc->x0);
- cblk->y0 = int_max(cblkystart, prc->y0);
- cblk->x1 = int_min(cblkxend, prc->x1);
- cblk->y1 = int_min(cblkyend, prc->y1);
- }
- }
- }
+
+ cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
+ cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ int x0b, y0b, i;
+ int gain, numbps;
+ j2k_stepsize_t *ss;
+ band = &res->bands[bandno];
+ band->bandno = resno == 0 ? 0 : bandno + 1;
+ x0b = (band->bandno == 1)
+ || (band->bandno == 3) ? 1 : 0;
+ y0b = (band->bandno == 2)
+ || (band->bandno == 3) ? 1 : 0;
+
+ if (band->bandno == 0) {
+ /* band border (global) */
+ band->x0 = int_ceildivpow2(tilec->x0, levelno);
+ band->y0 = int_ceildivpow2(tilec->y0, levelno);
+ band->x1 = int_ceildivpow2(tilec->x1, levelno);
+ band->y1 = int_ceildivpow2(tilec->y1, levelno);
+ } else {
+ /* band border (global) */
+ band->x0 =
+ int_ceildivpow2(tilec->x0 -
+ (1 << levelno) * x0b,
+ levelno + 1);
+ band->y0 =
+ int_ceildivpow2(tilec->y0 -
+ (1 << levelno) * y0b,
+ levelno + 1);
+ band->x1 =
+ int_ceildivpow2(tilec->x1 -
+ (1 << levelno) * x0b,
+ levelno + 1);
+ band->y1 =
+ int_ceildivpow2(tilec->y1 -
+ (1 << levelno) * y0b,
+ levelno + 1);
+
+ }
+
+ ss = &tccp->stepsizes[resno ==
+ 0 ? 0 : 3 * (resno - 1) +
+ bandno + 1];
+ gain =
+ tccp->qmfbid ==
+ 0 ? dwt_getgain_real(band->
+ bandno) : dwt_getgain(band->
+ bandno);
+ numbps = img->comps[compno].prec + gain;
+ band->stepsize =
+ (int) floor((1.0 + ss->mant / 2048.0) *
+ pow(2.0, numbps - ss->expn) * 8192.0);
+ band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
+
+ band->precincts =
+ (tcd_precinct_t *) malloc(3 * res->pw * res->ph *
+ sizeof(tcd_precinct_t));
+
+ for (i = 0; i < res->pw * res->ph * 3; i++) {
+ band->precincts[i].imsbtree = NULL;
+ band->precincts[i].incltree = NULL;
+ }
+
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ int tlcblkxstart, tlcblkystart, brcblkxend,
+ brcblkyend;
+ int cbgxstart =
+ tlcbgxstart +
+ (precno % res->pw) * (1 << cbgwidthexpn);
+ int cbgystart =
+ tlcbgystart +
+ (precno / res->pw) * (1 << cbgheightexpn);
+ int cbgxend = cbgxstart + (1 << cbgwidthexpn);
+ int cbgyend = cbgystart + (1 << cbgheightexpn);
+ /* tcd_precinct_t *prc=&band->precincts[precno]; */
+ prc = &band->precincts[precno];
+ /* precinct size (global) */
+ prc->x0 = int_max(cbgxstart, band->x0);
+ prc->y0 = int_max(cbgystart, band->y0);
+ prc->x1 = int_min(cbgxend, band->x1);
+ prc->y1 = int_min(cbgyend, band->y1);
+
+ tlcblkxstart =
+ int_floordivpow2(prc->x0,
+ cblkwidthexpn) <<
+ cblkwidthexpn;
+ tlcblkystart =
+ int_floordivpow2(prc->y0,
+ cblkheightexpn) <<
+ cblkheightexpn;
+ brcblkxend =
+ int_ceildivpow2(prc->x1,
+ cblkwidthexpn) <<
+ cblkwidthexpn;
+ brcblkyend =
+ int_ceildivpow2(prc->y1,
+ cblkheightexpn) <<
+ cblkheightexpn;
+ prc->cw =
+ (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
+ prc->ch =
+ (brcblkyend - tlcblkystart) >> cblkheightexpn;
+
+ prc->cblks =
+ (tcd_cblk_t *) malloc((prc->cw * prc->ch) *
+ sizeof(tcd_cblk_t));
+ prc->incltree = tgt_create(prc->cw, prc->ch);
+ prc->imsbtree = tgt_create(prc->cw, prc->ch);
+
+ for (cblkno = 0; cblkno < prc->cw * prc->ch;
+ cblkno++) {
+ int cblkxstart =
+ tlcblkxstart +
+ (cblkno % prc->cw) * (1 << cblkwidthexpn);
+ int cblkystart =
+ tlcblkystart +
+ (cblkno / prc->cw) * (1 << cblkheightexpn);
+ int cblkxend =
+ cblkxstart + (1 << cblkwidthexpn);
+ int cblkyend =
+ cblkystart + (1 << cblkheightexpn);
+
+ cblk = &prc->cblks[cblkno];
+ /* code-block size (global) */
+ cblk->x0 = int_max(cblkxstart, prc->x0);
+ cblk->y0 = int_max(cblkystart, prc->y0);
+ cblk->x1 = int_min(cblkxend, prc->x1);
+ cblk->y1 = int_min(cblkyend, prc->y1);
}
+ }
}
+ }
}
- /* tcd_dump(&tcd_image,curtileno); */
+ }
+ /* tcd_dump(&tcd_image,curtileno); */
}
void tcd_free_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
- int tileno, compno, resno, bandno, precno;
- tcd_img = img;
- tcd_cp = cp;
- tcd_image.tw = cp->tw;
- tcd_image.th = cp->th;
- for (tileno = 0; tileno < 1; tileno++) {
- /* j2k_tcp_t *tcp=&cp->tcps[curtileno]; */
- tile = tcd_image.tiles;
- for (compno = 0; compno < tile->numcomps; compno++) {
- tilec = &tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
- band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- prc = &band->precincts[precno];
-
- if (prc->incltree != NULL)
- tgt_destroy(prc->incltree);
- if (prc->imsbtree != NULL)
- tgt_destroy(prc->imsbtree);
- free(prc->cblks);
- } /* for (precno */
- free(band->precincts);
- } /* for (bandno */
- } /* for (resno */
- free(tilec->resolutions);
- } /* for (compno */
- free(tile->comps);
- } /* for (tileno */
- free(tcd_image.tiles);
+ int tileno, compno, resno, bandno, precno;
+ tcd_img = img;
+ tcd_cp = cp;
+ tcd_image.tw = cp->tw;
+ tcd_image.th = cp->th;
+ for (tileno = 0; tileno < 1; tileno++) {
+ /* j2k_tcp_t *tcp=&cp->tcps[curtileno]; */
+ tile = tcd_image.tiles;
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tilec = &tile->comps[compno];
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ res = &tilec->resolutions[resno];
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ band = &res->bands[bandno];
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ prc = &band->precincts[precno];
+
+ if (prc->incltree != NULL)
+ tgt_destroy(prc->incltree);
+ if (prc->imsbtree != NULL)
+ tgt_destroy(prc->imsbtree);
+ free(prc->cblks);
+ } /* for (precno */
+ free(band->precincts);
+ } /* for (bandno */
+ } /* for (resno */
+ free(tilec->resolutions);
+ } /* for (compno */
+ free(tile->comps);
+ } /* for (tileno */
+ free(tcd_image.tiles);
}
void tcd_init_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
- int tileno, compno, resno, bandno, precno, cblkno;
-
- for (tileno = 0; tileno < 1; tileno++) {
- j2k_tcp_t *tcp = &cp->tcps[curtileno];
- int j;
- // int previous_x0, previous_x1, previous_y0, previous_y1;
- /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
- int p = curtileno % cp->tw;
- int q = curtileno / cp->tw;
- tile = tcd_image.tiles;
-
- /* 4 borders of the tile rescale on the image if necessary */
- tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
- tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
- tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
- tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
-
- tile->numcomps = img->numcomps;
- /* tile->PPT=img->PPT; */
- /* Modification of the RATE >> */
- for (j = 0; j < tcp->numlayers; j++) {
- tcp->rates[j] = ceil(tile->numcomps * (tile->x1 - tile->x0) * (tile->y1 - tile->y0) * img->comps[0].prec
- / (tcp->rates[j] * 8 * img->comps[0].dx * img->comps[0].dy));
- if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
- tcp->rates[j] = tcp->rates[j - 1] + 20;
- } else {
- if (!j && tcp->rates[j] < 30)
- tcp->rates[j] = 30;
- }
+ int tileno, compno, resno, bandno, precno, cblkno;
+
+ for (tileno = 0; tileno < 1; tileno++) {
+ j2k_tcp_t *tcp = &cp->tcps[curtileno];
+ int j;
+ // int previous_x0, previous_x1, previous_y0, previous_y1;
+ /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
+ int p = curtileno % cp->tw;
+ int q = curtileno / cp->tw;
+ tile = tcd_image.tiles;
+
+ /* 4 borders of the tile rescale on the image if necessary */
+ tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
+ tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
+ tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
+ tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
+
+ tile->numcomps = img->numcomps;
+ /* tile->PPT=img->PPT; */
+ /* Modification of the RATE >> */
+ for (j = 0; j < tcp->numlayers; j++) {
+ tcp->rates[j] =
+ ceil(tile->numcomps * (tile->x1 - tile->x0) *
+ (tile->y1 -
+ tile->y0) * img->comps[0].prec / (tcp->rates[j] * 8 *
+ img->comps[0].dx *
+ img->comps[0].dy));
+ if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
+ tcp->rates[j] = tcp->rates[j - 1] + 20;
+ } else {
+ if (!j && tcp->rates[j] < 30)
+ tcp->rates[j] = 30;
+ }
+ }
+ /* << Modification of the RATE */
+ /* tile->comps=(tcd_tilecomp_t*)realloc(tile->comps,img->numcomps*sizeof(tcd_tilecomp_t)); */
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ j2k_tccp_t *tccp = &tcp->tccps[compno];
+ /* int realloc_op; */
+
+ tilec = &tile->comps[compno];
+ /* border of each tile component (global) */
+ tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
+ tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
+ tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
+ tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
+
+ tilec->data =
+ (int *) malloc((tilec->x1 - tilec->x0) *
+ (tilec->y1 - tilec->y0) * sizeof(int));
+ tilec->numresolutions = tccp->numresolutions;
+ /* tilec->resolutions=(tcd_resolution_t*)realloc(tilec->resolutions,tilec->numresolutions*sizeof(tcd_resolution_t)); */
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ int pdx, pdy;
+ int levelno = tilec->numresolutions - 1 - resno;
+ int tlprcxstart, tlprcystart, brprcxend, brprcyend;
+ int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
+ int cbgwidthexpn, cbgheightexpn;
+ int cblkwidthexpn, cblkheightexpn;
+
+ res = &tilec->resolutions[resno];
+ /* border for each resolution level (global) */
+ res->x0 = int_ceildivpow2(tilec->x0, levelno);
+ res->y0 = int_ceildivpow2(tilec->y0, levelno);
+ res->x1 = int_ceildivpow2(tilec->x1, levelno);
+ res->y1 = int_ceildivpow2(tilec->y1, levelno);
+
+ res->numbands = resno == 0 ? 1 : 3;
+ /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
+ if (tccp->csty & J2K_CCP_CSTY_PRT) {
+ pdx = tccp->prcw[resno];
+ pdy = tccp->prch[resno];
+ } else {
+ pdx = 15;
+ pdy = 15;
}
- /* << Modification of the RATE */
- /* tile->comps=(tcd_tilecomp_t*)realloc(tile->comps,img->numcomps*sizeof(tcd_tilecomp_t)); */
- for (compno = 0; compno < tile->numcomps; compno++) {
- j2k_tccp_t *tccp = &tcp->tccps[compno];
- /* int realloc_op; */
-
- tilec = &tile->comps[compno];
- /* border of each tile component (global) */
- tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
- tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
- tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
- tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
-
- tilec->data = (int *) malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
- tilec->numresolutions = tccp->numresolutions;
- /* tilec->resolutions=(tcd_resolution_t*)realloc(tilec->resolutions,tilec->numresolutions*sizeof(tcd_resolution_t)); */
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- int pdx, pdy;
- int levelno = tilec->numresolutions - 1 - resno;
- int tlprcxstart, tlprcystart, brprcxend, brprcyend;
- int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
- int cbgwidthexpn, cbgheightexpn;
- int cblkwidthexpn, cblkheightexpn;
-
- res = &tilec->resolutions[resno];
- /* border for each resolution level (global) */
- res->x0 = int_ceildivpow2(tilec->x0, levelno);
- res->y0 = int_ceildivpow2(tilec->y0, levelno);
- res->x1 = int_ceildivpow2(tilec->x1, levelno);
- res->y1 = int_ceildivpow2(tilec->y1, levelno);
-
- res->numbands = resno == 0 ? 1 : 3;
- /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
- if (tccp->csty & J2K_CCP_CSTY_PRT) {
- pdx = tccp->prcw[resno];
- pdy = tccp->prch[resno];
- } else {
- pdx = 15;
- pdy = 15;
- }
- /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
- tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
- tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
- brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
- brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
-
- res->pw = (brprcxend - tlprcxstart) >> pdx;
- res->ph = (brprcyend - tlprcystart) >> pdy;
-
- if (resno == 0) {
- tlcbgxstart = tlprcxstart;
- tlcbgystart = tlprcystart;
- brcbgxend = brprcxend;
- brcbgyend = brprcyend;
- cbgwidthexpn = pdx;
- cbgheightexpn = pdy;
- } else {
- tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
- tlcbgystart = int_ceildivpow2(tlprcystart, 1);
- brcbgxend = int_ceildivpow2(brprcxend, 1);
- brcbgyend = int_ceildivpow2(brprcyend, 1);
- cbgwidthexpn = pdx - 1;
- cbgheightexpn = pdy - 1;
- }
-
- cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
- cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
-
- for (bandno = 0; bandno < res->numbands; bandno++) {
- int x0b, y0b;
- int gain, numbps;
- j2k_stepsize_t *ss;
- band = &res->bands[bandno];
- band->bandno = resno == 0 ? 0 : bandno + 1;
- x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
- y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
-
- if (band->bandno == 0) {
- /* band border */
- band->x0 = int_ceildivpow2(tilec->x0, levelno);
- band->y0 = int_ceildivpow2(tilec->y0, levelno);
- band->x1 = int_ceildivpow2(tilec->x1, levelno);
- band->y1 = int_ceildivpow2(tilec->y1, levelno);
- } else {
- band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
- band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
- band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
- band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
- }
-
- ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
- gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
- numbps = img->comps[compno].prec + gain;
- band->stepsize = (int) floor((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn) * 8192.0);
- band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
-
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
- int cbgxstart =
- tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
- int cbgystart =
- tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
- int cbgxend = cbgxstart + (1 << cbgwidthexpn);
- int cbgyend = cbgystart + (1 << cbgheightexpn);
-
- prc = &band->precincts[precno];
- /* precinct size (global) */
- prc->x0 = int_max(cbgxstart, band->x0);
- prc->y0 = int_max(cbgystart, band->y0);
- prc->x1 = int_min(cbgxend, band->x1);
- prc->y1 = int_min(cbgyend, band->y1);
-
- tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
- tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
- brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
- brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
- prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
- prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
-
- free(prc->cblks);
- prc->cblks = (tcd_cblk_t *) malloc(prc->cw * prc->ch * sizeof(tcd_cblk_t));
-
- if (prc->incltree != NULL)
- tgt_destroy(prc->incltree);
- if (prc->imsbtree != NULL)
- tgt_destroy(prc->imsbtree);
-
- prc->incltree = tgt_create(prc->cw, prc->ch);
- prc->imsbtree = tgt_create(prc->cw, prc->ch);
-
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
- int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
- int cblkxend = cblkxstart + (1 << cblkwidthexpn);
- int cblkyend = cblkystart + (1 << cblkheightexpn);
- cblk = &prc->cblks[cblkno];
-
- /* code-block size (global) */
- cblk->x0 = int_max(cblkxstart, prc->x0);
- cblk->y0 = int_max(cblkystart, prc->y0);
- cblk->x1 = int_min(cblkxend, prc->x1);
- cblk->y1 = int_min(cblkyend, prc->y1);
-
- }
- }
- }
+ /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
+ tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
+ tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
+ brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
+ brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
+
+ res->pw = (brprcxend - tlprcxstart) >> pdx;
+ res->ph = (brprcyend - tlprcystart) >> pdy;
+
+ if (resno == 0) {
+ tlcbgxstart = tlprcxstart;
+ tlcbgystart = tlprcystart;
+ brcbgxend = brprcxend;
+ brcbgyend = brprcyend;
+ cbgwidthexpn = pdx;
+ cbgheightexpn = pdy;
+ } else {
+ tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
+ tlcbgystart = int_ceildivpow2(tlprcystart, 1);
+ brcbgxend = int_ceildivpow2(brprcxend, 1);
+ brcbgyend = int_ceildivpow2(brprcyend, 1);
+ cbgwidthexpn = pdx - 1;
+ cbgheightexpn = pdy - 1;
+ }
+
+ cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
+ cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ int x0b, y0b;
+ int gain, numbps;
+ j2k_stepsize_t *ss;
+ band = &res->bands[bandno];
+ band->bandno = resno == 0 ? 0 : bandno + 1;
+ x0b = (band->bandno == 1)
+ || (band->bandno == 3) ? 1 : 0;
+ y0b = (band->bandno == 2)
+ || (band->bandno == 3) ? 1 : 0;
+
+ if (band->bandno == 0) {
+ /* band border */
+ band->x0 = int_ceildivpow2(tilec->x0, levelno);
+ band->y0 = int_ceildivpow2(tilec->y0, levelno);
+ band->x1 = int_ceildivpow2(tilec->x1, levelno);
+ band->y1 = int_ceildivpow2(tilec->y1, levelno);
+ } else {
+ band->x0 =
+ int_ceildivpow2(tilec->x0 -
+ (1 << levelno) * x0b,
+ levelno + 1);
+ band->y0 =
+ int_ceildivpow2(tilec->y0 -
+ (1 << levelno) * y0b,
+ levelno + 1);
+ band->x1 =
+ int_ceildivpow2(tilec->x1 -
+ (1 << levelno) * x0b,
+ levelno + 1);
+ band->y1 =
+ int_ceildivpow2(tilec->y1 -
+ (1 << levelno) * y0b,
+ levelno + 1);
+ }
+
+ ss = &tccp->stepsizes[resno ==
+ 0 ? 0 : 3 * (resno - 1) +
+ bandno + 1];
+ gain =
+ tccp->qmfbid ==
+ 0 ? dwt_getgain_real(band->
+ bandno) : dwt_getgain(band->
+ bandno);
+ numbps = img->comps[compno].prec + gain;
+ band->stepsize =
+ (int) floor((1.0 + ss->mant / 2048.0) *
+ pow(2.0, numbps - ss->expn) * 8192.0);
+ band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
+
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ int tlcblkxstart, tlcblkystart, brcblkxend,
+ brcblkyend;
+ int cbgxstart =
+ tlcbgxstart +
+ (precno % res->pw) * (1 << cbgwidthexpn);
+ int cbgystart =
+ tlcbgystart +
+ (precno / res->pw) * (1 << cbgheightexpn);
+ int cbgxend = cbgxstart + (1 << cbgwidthexpn);
+ int cbgyend = cbgystart + (1 << cbgheightexpn);
+
+ prc = &band->precincts[precno];
+ /* precinct size (global) */
+ prc->x0 = int_max(cbgxstart, band->x0);
+ prc->y0 = int_max(cbgystart, band->y0);
+ prc->x1 = int_min(cbgxend, band->x1);
+ prc->y1 = int_min(cbgyend, band->y1);
+
+ tlcblkxstart =
+ int_floordivpow2(prc->x0,
+ cblkwidthexpn) <<
+ cblkwidthexpn;
+ tlcblkystart =
+ int_floordivpow2(prc->y0,
+ cblkheightexpn) <<
+ cblkheightexpn;
+ brcblkxend =
+ int_ceildivpow2(prc->x1,
+ cblkwidthexpn) <<
+ cblkwidthexpn;
+ brcblkyend =
+ int_ceildivpow2(prc->y1,
+ cblkheightexpn) <<
+ cblkheightexpn;
+ prc->cw =
+ (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
+ prc->ch =
+ (brcblkyend - tlcblkystart) >> cblkheightexpn;
+
+ free(prc->cblks);
+ prc->cblks =
+ (tcd_cblk_t *) malloc(prc->cw * prc->ch *
+ sizeof(tcd_cblk_t));
+
+ if (prc->incltree != NULL)
+ tgt_destroy(prc->incltree);
+ if (prc->imsbtree != NULL)
+ tgt_destroy(prc->imsbtree);
+
+ prc->incltree = tgt_create(prc->cw, prc->ch);
+ prc->imsbtree = tgt_create(prc->cw, prc->ch);
+
+ for (cblkno = 0; cblkno < prc->cw * prc->ch;
+ cblkno++) {
+ int cblkxstart =
+ tlcblkxstart +
+ (cblkno % prc->cw) * (1 << cblkwidthexpn);
+ int cblkystart =
+ tlcblkystart +
+ (cblkno / prc->cw) * (1 << cblkheightexpn);
+ int cblkxend =
+ cblkxstart + (1 << cblkwidthexpn);
+ int cblkyend =
+ cblkystart + (1 << cblkheightexpn);
+ cblk = &prc->cblks[cblkno];
+
+ /* code-block size (global) */
+ cblk->x0 = int_max(cblkxstart, prc->x0);
+ cblk->y0 = int_max(cblkystart, prc->y0);
+ cblk->x1 = int_min(cblkxend, prc->x1);
+ cblk->y1 = int_min(cblkyend, prc->y1);
+
}
+ }
}
+ }
}
- /* tcd_dump(&tcd_image,0); */
+ }
+ /* tcd_dump(&tcd_image,0); */
}
void tcd_init(j2k_image_t * img, j2k_cp_t * cp)
{
- int tileno, compno, resno, bandno, precno, cblkno, i;
- unsigned int x0=0 , y0=0, x1 = 0, y1 = 0, w, h, j, p, q;
- tcd_img = img;
- tcd_cp = cp;
- tcd_image.tw = cp->tw;
- tcd_image.th = cp->th;
- tcd_image.tiles = (tcd_tile_t *) malloc(cp->tw * cp->th * sizeof(tcd_tile_t));
-
- /*for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
- j2k_tcp_t *tcp = &cp->tcps[tileno];
- tcd_tile_t *tile = &tcd_image.tiles[tileno];*/
-
- for (i = 0 ; i < cp->tileno_size ; i++){
- j2k_tcp_t *tcp = &cp->tcps[cp->tileno[i]];
- tcd_tile_t *tile = &tcd_image.tiles[cp->tileno[i]];
- tileno = cp->tileno[i];
-
-
- // int previous_x0, previous_x1, previous_y0, previous_y1;
- /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
- p = tileno % cp->tw; /* si numerotation matricielle .. */
- q = tileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
-
- /* 4 borders of the tile rescale on the image if necessary */
- tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
- tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
- tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
- tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
-
- tile->numcomps = img->numcomps;
- tile->comps = (tcd_tilecomp_t *) malloc(img->numcomps * sizeof(tcd_tilecomp_t));
- for (compno = 0; compno < tile->numcomps; compno++) {
- j2k_tccp_t *tccp = &tcp->tccps[compno];
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- /* border of each tile component (global) */
- tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
- tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
- tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
- tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
-
- tilec->data = (int *) malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
- tilec->numresolutions = tccp->numresolutions;
- tilec->resolutions = (tcd_resolution_t *) malloc(tilec->numresolutions * sizeof(tcd_resolution_t));
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- int pdx, pdy;
- int levelno = tilec->numresolutions - 1 - resno;
- int tlprcxstart, tlprcystart, brprcxend, brprcyend;
- int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
- int cbgwidthexpn, cbgheightexpn;
- int cblkwidthexpn, cblkheightexpn;
- tcd_resolution_t *res = &tilec->resolutions[resno];
-
- /* border for each resolution level (global) */
- res->x0 = int_ceildivpow2(tilec->x0, levelno);
- res->y0 = int_ceildivpow2(tilec->y0, levelno);
- res->x1 = int_ceildivpow2(tilec->x1, levelno);
- res->y1 = int_ceildivpow2(tilec->y1, levelno);
-
- res->numbands = resno == 0 ? 1 : 3;
- /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
- if (tccp->csty & J2K_CCP_CSTY_PRT) {
- pdx = tccp->prcw[resno];
- pdy = tccp->prch[resno];
- } else {
- pdx = 15;
- pdy = 15;
- }
- /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
- tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
- tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
- brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
- brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
- res->pw = (brprcxend - tlprcxstart) >> pdx;
- res->ph = (brprcyend - tlprcystart) >> pdy;
-
- if (resno == 0) {
- tlcbgxstart = tlprcxstart;
- tlcbgystart = tlprcystart;
- brcbgxend = brprcxend;
- brcbgyend = brprcyend;
- cbgwidthexpn = pdx;
- cbgheightexpn = pdy;
- } else {
- tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
- tlcbgystart = int_ceildivpow2(tlprcystart, 1);
- brcbgxend = int_ceildivpow2(brprcxend, 1);
- brcbgyend = int_ceildivpow2(brprcyend, 1);
- cbgwidthexpn = pdx - 1;
- cbgheightexpn = pdy - 1;
- }
-
- cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
- cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
-
- for (bandno = 0; bandno < res->numbands; bandno++) {
- int x0b, y0b;
- int gain, numbps;
- j2k_stepsize_t *ss;
- tcd_band_t *band = &res->bands[bandno];
- band->bandno = resno == 0 ? 0 : bandno + 1;
- x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
- y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
-
- if (band->bandno == 0) {
- /* band border (global) */
- band->x0 = int_ceildivpow2(tilec->x0, levelno);
- band->y0 = int_ceildivpow2(tilec->y0, levelno);
- band->x1 = int_ceildivpow2(tilec->x1, levelno);
- band->y1 = int_ceildivpow2(tilec->y1, levelno);
- } else {
- /* band border (global) */
- band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
- band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
- band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
- band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
- }
-
- ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
- gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
- numbps = img->comps[compno].prec + gain;
- band->stepsize = (int) floor((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn) * 8192.0);
- band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
-
- band->precincts = (tcd_precinct_t *) malloc(res->pw * res->ph * sizeof(tcd_precinct_t));
-
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
- int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
- int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
- int cbgxend = cbgxstart + (1 << cbgwidthexpn);
- int cbgyend = cbgystart + (1 << cbgheightexpn);
- tcd_precinct_t *prc = &band->precincts[precno];
- /* precinct size (global) */
- prc->x0 = int_max(cbgxstart, band->x0);
- prc->y0 = int_max(cbgystart, band->y0);
- prc->x1 = int_min(cbgxend, band->x1);
- prc->y1 = int_min(cbgyend, band->y1);
-
- tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
- tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
- brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
- brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
- prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
- prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
-
- prc->cblks = (tcd_cblk_t *) malloc(prc->cw * prc->ch * sizeof(tcd_cblk_t));
-
- prc->incltree = tgt_create(prc->cw, prc->ch);
- prc->imsbtree = tgt_create(prc->cw, prc->ch);
-
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
- int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
- int cblkxend = cblkxstart + (1 << cblkwidthexpn);
- int cblkyend = cblkystart + (1 << cblkheightexpn);
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- /* code-block size (global) */
- cblk->x0 = int_max(cblkxstart, prc->x0);
- cblk->y0 = int_max(cblkystart, prc->y0);
- cblk->x1 = int_min(cblkxend, prc->x1);
- cblk->y1 = int_min(cblkyend, prc->y1);
- }
- }
- }
+ int tileno, compno, resno, bandno, precno, cblkno, i;
+ unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h, j, p, q;
+ tcd_img = img;
+ tcd_cp = cp;
+ tcd_image.tw = cp->tw;
+ tcd_image.th = cp->th;
+ tcd_image.tiles =
+ (tcd_tile_t *) malloc(cp->tw * cp->th * sizeof(tcd_tile_t));
+
+ /*for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
+ j2k_tcp_t *tcp = &cp->tcps[tileno];
+ tcd_tile_t *tile = &tcd_image.tiles[tileno]; */
+
+ for (i = 0; i < cp->tileno_size; i++) {
+ j2k_tcp_t *tcp = &cp->tcps[cp->tileno[i]];
+ tcd_tile_t *tile = &tcd_image.tiles[cp->tileno[i]];
+ tileno = cp->tileno[i];
+
+
+ // int previous_x0, previous_x1, previous_y0, previous_y1;
+ /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
+ p = tileno % cp->tw; /* si numerotation matricielle .. */
+ q = tileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
+
+ /* 4 borders of the tile rescale on the image if necessary */
+ tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
+ tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
+ tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
+ tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
+
+ tile->numcomps = img->numcomps;
+ tile->comps =
+ (tcd_tilecomp_t *) malloc(img->numcomps *
+ sizeof(tcd_tilecomp_t));
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ j2k_tccp_t *tccp = &tcp->tccps[compno];
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ /* border of each tile component (global) */
+ tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
+ tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
+ tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
+ tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
+
+ tilec->data =
+ (int *) malloc((tilec->x1 - tilec->x0) *
+ (tilec->y1 - tilec->y0) * sizeof(int));
+ tilec->numresolutions = tccp->numresolutions;
+ tilec->resolutions =
+ (tcd_resolution_t *) malloc(tilec->numresolutions *
+ sizeof(tcd_resolution_t));
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ int pdx, pdy;
+ int levelno = tilec->numresolutions - 1 - resno;
+ int tlprcxstart, tlprcystart, brprcxend, brprcyend;
+ int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
+ int cbgwidthexpn, cbgheightexpn;
+ int cblkwidthexpn, cblkheightexpn;
+ tcd_resolution_t *res = &tilec->resolutions[resno];
+
+ /* border for each resolution level (global) */
+ res->x0 = int_ceildivpow2(tilec->x0, levelno);
+ res->y0 = int_ceildivpow2(tilec->y0, levelno);
+ res->x1 = int_ceildivpow2(tilec->x1, levelno);
+ res->y1 = int_ceildivpow2(tilec->y1, levelno);
+
+ res->numbands = resno == 0 ? 1 : 3;
+ /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
+ if (tccp->csty & J2K_CCP_CSTY_PRT) {
+ pdx = tccp->prcw[resno];
+ pdy = tccp->prch[resno];
+ } else {
+ pdx = 15;
+ pdy = 15;
+ }
+ /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
+ tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
+ tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
+ brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
+ brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
+ res->pw = (brprcxend - tlprcxstart) >> pdx;
+ res->ph = (brprcyend - tlprcystart) >> pdy;
+
+ if (resno == 0) {
+ tlcbgxstart = tlprcxstart;
+ tlcbgystart = tlprcystart;
+ brcbgxend = brprcxend;
+ brcbgyend = brprcyend;
+ cbgwidthexpn = pdx;
+ cbgheightexpn = pdy;
+ } else {
+ tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
+ tlcbgystart = int_ceildivpow2(tlprcystart, 1);
+ brcbgxend = int_ceildivpow2(brprcxend, 1);
+ brcbgyend = int_ceildivpow2(brprcyend, 1);
+ cbgwidthexpn = pdx - 1;
+ cbgheightexpn = pdy - 1;
+ }
+
+ cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
+ cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ int x0b, y0b;
+ int gain, numbps;
+ j2k_stepsize_t *ss;
+ tcd_band_t *band = &res->bands[bandno];
+ band->bandno = resno == 0 ? 0 : bandno + 1;
+ x0b = (band->bandno == 1)
+ || (band->bandno == 3) ? 1 : 0;
+ y0b = (band->bandno == 2)
+ || (band->bandno == 3) ? 1 : 0;
+
+ if (band->bandno == 0) {
+ /* band border (global) */
+ band->x0 = int_ceildivpow2(tilec->x0, levelno);
+ band->y0 = int_ceildivpow2(tilec->y0, levelno);
+ band->x1 = int_ceildivpow2(tilec->x1, levelno);
+ band->y1 = int_ceildivpow2(tilec->y1, levelno);
+ } else {
+ /* band border (global) */
+ band->x0 =
+ int_ceildivpow2(tilec->x0 -
+ (1 << levelno) * x0b,
+ levelno + 1);
+ band->y0 =
+ int_ceildivpow2(tilec->y0 -
+ (1 << levelno) * y0b,
+ levelno + 1);
+ band->x1 =
+ int_ceildivpow2(tilec->x1 -
+ (1 << levelno) * x0b,
+ levelno + 1);
+ band->y1 =
+ int_ceildivpow2(tilec->y1 -
+ (1 << levelno) * y0b,
+ levelno + 1);
+ }
+
+ ss = &tccp->stepsizes[resno ==
+ 0 ? 0 : 3 * (resno - 1) +
+ bandno + 1];
+ gain =
+ tccp->qmfbid ==
+ 0 ? dwt_getgain_real(band->
+ bandno) : dwt_getgain(band->
+ bandno);
+ numbps = img->comps[compno].prec + gain;
+ band->stepsize =
+ (int) floor((1.0 + ss->mant / 2048.0) *
+ pow(2.0, numbps - ss->expn) * 8192.0);
+ band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
+
+ band->precincts =
+ (tcd_precinct_t *) malloc(res->pw * res->ph *
+ sizeof(tcd_precinct_t));
+
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ int tlcblkxstart, tlcblkystart, brcblkxend,
+ brcblkyend;
+ int cbgxstart =
+ tlcbgxstart +
+ (precno % res->pw) * (1 << cbgwidthexpn);
+ int cbgystart =
+ tlcbgystart +
+ (precno / res->pw) * (1 << cbgheightexpn);
+ int cbgxend = cbgxstart + (1 << cbgwidthexpn);
+ int cbgyend = cbgystart + (1 << cbgheightexpn);
+ tcd_precinct_t *prc = &band->precincts[precno];
+ /* precinct size (global) */
+ prc->x0 = int_max(cbgxstart, band->x0);
+ prc->y0 = int_max(cbgystart, band->y0);
+ prc->x1 = int_min(cbgxend, band->x1);
+ prc->y1 = int_min(cbgyend, band->y1);
+
+ tlcblkxstart =
+ int_floordivpow2(prc->x0,
+ cblkwidthexpn) <<
+ cblkwidthexpn;
+ tlcblkystart =
+ int_floordivpow2(prc->y0,
+ cblkheightexpn) <<
+ cblkheightexpn;
+ brcblkxend =
+ int_ceildivpow2(prc->x1,
+ cblkwidthexpn) <<
+ cblkwidthexpn;
+ brcblkyend =
+ int_ceildivpow2(prc->y1,
+ cblkheightexpn) <<
+ cblkheightexpn;
+ prc->cw =
+ (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
+ prc->ch =
+ (brcblkyend - tlcblkystart) >> cblkheightexpn;
+
+ prc->cblks =
+ (tcd_cblk_t *) malloc(prc->cw * prc->ch *
+ sizeof(tcd_cblk_t));
+
+ prc->incltree = tgt_create(prc->cw, prc->ch);
+ prc->imsbtree = tgt_create(prc->cw, prc->ch);
+
+ for (cblkno = 0; cblkno < prc->cw * prc->ch;
+ cblkno++) {
+ int cblkxstart =
+ tlcblkxstart +
+ (cblkno % prc->cw) * (1 << cblkwidthexpn);
+ int cblkystart =
+ tlcblkystart +
+ (cblkno / prc->cw) * (1 << cblkheightexpn);
+ int cblkxend =
+ cblkxstart + (1 << cblkwidthexpn);
+ int cblkyend =
+ cblkystart + (1 << cblkheightexpn);
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ /* code-block size (global) */
+ cblk->x0 = int_max(cblkxstart, prc->x0);
+ cblk->y0 = int_max(cblkystart, prc->y0);
+ cblk->x1 = int_min(cblkxend, prc->x1);
+ cblk->y1 = int_min(cblkyend, prc->y1);
}
+ }
}
+ }
}
- /* tcd_dump(&tcd_image,0); */
-
+ }
+ /* tcd_dump(&tcd_image,0); */
+
- /* Allocate place to store the date decoded = fianl image */
- /* Place limited by the tile really present in the codestream */
- for (i = 0; i < img->numcomps; i++) {
- for (j = 0; j < cp->tileno_size; j++) {
+ /* Allocate place to store the date decoded = fianl image */
+ /* Place limited by the tile really present in the codestream */
+ for (i = 0; i < img->numcomps; i++) {
+ for (j = 0; j < cp->tileno_size; j++) {
tileno = cp->tileno[j];
- x0 = j == 0 ? tcd_image.tiles[tileno].x0 : int_min(x0 , tcd_image.tiles[tileno].x0);
- y0 = j == 0 ? tcd_image.tiles[tileno].y0 : int_min(y0 , tcd_image.tiles[tileno].y0);
- x1 = j == 0 ? tcd_image.tiles[tileno].x1 : int_max(x1 , tcd_image.tiles[tileno].x1);
- y1 = j == 0 ? tcd_image.tiles[tileno].y1 : int_max(y1 , tcd_image.tiles[tileno].y1);
- }
- w = int_ceildiv(x1 - x0, img->comps[i].dx);
- h = int_ceildiv(y1 - y0, img->comps[i].dy);
- img->comps[i].data = (int *) calloc(w * h,sizeof(int));
- img->comps[i].w = w;
- img->comps[i].h = h;
- img->comps[i].x0 = x0;
- img->comps[i].y0 = y0;
+ x0 = j == 0 ? tcd_image.tiles[tileno].x0 : int_min(x0,
+ tcd_image.
+ tiles
+ [tileno].
+ x0);
+ y0 = j == 0 ? tcd_image.tiles[tileno].y0 : int_min(y0,
+ tcd_image.
+ tiles
+ [tileno].
+ y0);
+ x1 = j == 0 ? tcd_image.tiles[tileno].x1 : int_max(x1,
+ tcd_image.
+ tiles
+ [tileno].
+ x1);
+ y1 = j == 0 ? tcd_image.tiles[tileno].y1 : int_max(y1,
+ tcd_image.
+ tiles
+ [tileno].
+ y1);
}
-
+ w = int_ceildiv(x1 - x0, img->comps[i].dx);
+ h = int_ceildiv(y1 - y0, img->comps[i].dy);
+ img->comps[i].data = (int *) calloc(w * h, sizeof(int));
+ img->comps[i].w = w;
+ img->comps[i].h = h;
+ img->comps[i].x0 = x0;
+ img->comps[i].y0 = y0;
+ }
+
}
-void tcd_makelayer_fixed(int layno, int final) {
- int compno, resno, bandno, precno, cblkno;
- int value; //, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3];
- int matrice[10][10][3];
- int i,j,k;
-
- /*matrice=(int*)malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int));*/
-
- for (compno=0; compno<tcd_tile->numcomps; compno++)
- {
- tcd_tilecomp_t *tilec=&tcd_tile->comps[compno];
- for (i=0;i<tcd_tcp->numlayers;i++) {
- for (j=0;j<tilec->numresolutions;j++) {
- for (k=0;k<3;k++) {
- matrice[i][j][k]=(int)(tcd_cp->matrice[i*tilec->numresolutions*3+j*3+k]*(float)(tcd_img->comps[compno].prec/16.0));}}}
-
- for (resno=0; resno<tilec->numresolutions; resno++) {
- tcd_resolution_t *res=&tilec->resolutions[resno];
- for (bandno=0; bandno<res->numbands; bandno++) {
- tcd_band_t *band=&res->bands[bandno];
- for (precno=0; precno<res->pw*res->ph; precno++) {
- tcd_precinct_t *prc=&band->precincts[precno];
- for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) {
- tcd_cblk_t *cblk=&prc->cblks[cblkno];
- tcd_layer_t *layer=&cblk->layers[layno];
- int n;
- int imsb=tcd_img->comps[compno].prec-cblk->numbps; /* number of bit-plan equal to zero */
- /* Correction of the matrix of coefficient to include the IMSB information */
-
- if (layno==0)
- {
- value=matrice[layno][resno][bandno];
- if (imsb>=value)
- value=0;
- else
- value-=imsb;
- } else
- {
- value=matrice[layno][resno][bandno]-matrice[layno-1][resno][bandno];
- if (imsb>=matrice[layno-1][resno][bandno])
- {
- value-=(imsb-matrice[layno-1][resno][bandno]);
- if (value<0) value=0;
- }
- }
-
- if (layno==0)
- cblk->numpassesinlayers=0;
-
- n=cblk->numpassesinlayers;
- if (cblk->numpassesinlayers==0)
- {
- if (value!=0)
- n=3*value-2+cblk->numpassesinlayers;
- else
- n=cblk->numpassesinlayers;
- } else
- n=3*value+cblk->numpassesinlayers;
-
- layer->numpasses=n-cblk->numpassesinlayers;
-
- if (!layer->numpasses)
- continue;
-
- if (cblk->numpassesinlayers==0)
- {
- layer->len=cblk->passes[n-1].rate;
- layer->data=cblk->data;
- } else
- {
- layer->len=cblk->passes[n-1].rate-cblk->passes[cblk->numpassesinlayers-1].rate;
- layer->data=cblk->data+cblk->passes[cblk->numpassesinlayers-1].rate;
- }
- if (final)
- cblk->numpassesinlayers=n;
+void tcd_makelayer_fixed(int layno, int final)
+{
+ int compno, resno, bandno, precno, cblkno;
+ int value; //, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3];
+ int matrice[10][10][3];
+ int i, j, k;
+
+ /*matrice=(int*)malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
+
+ for (compno = 0; compno < tcd_tile->numcomps; compno++) {
+ tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
+ for (i = 0; i < tcd_tcp->numlayers; i++) {
+ for (j = 0; j < tilec->numresolutions; j++) {
+ for (k = 0; k < 3; k++) {
+ matrice[i][j][k] =
+ (int) (tcd_cp->
+ matrice[i * tilec->numresolutions * 3 +
+ j * 3 +
+ k] *
+ (float) (tcd_img->comps[compno].prec /
+ 16.0));
+ }}}
+
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ tcd_resolution_t *res = &tilec->resolutions[resno];
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ tcd_layer_t *layer = &cblk->layers[layno];
+ int n;
+ int imsb = tcd_img->comps[compno].prec - cblk->numbps; /* number of bit-plan equal to zero */
+ /* Correction of the matrix of coefficient to include the IMSB information */
+
+ if (layno == 0) {
+ value = matrice[layno][resno][bandno];
+ if (imsb >= value)
+ value = 0;
+ else
+ value -= imsb;
+ } else {
+ value =
+ matrice[layno][resno][bandno] -
+ matrice[layno - 1][resno][bandno];
+ if (imsb >= matrice[layno - 1][resno][bandno]) {
+ value -=
+ (imsb -
+ matrice[layno - 1][resno][bandno]);
+ if (value < 0)
+ value = 0;
+ }
+ }
+
+ if (layno == 0)
+ cblk->numpassesinlayers = 0;
+
+ n = cblk->numpassesinlayers;
+ if (cblk->numpassesinlayers == 0) {
+ if (value != 0)
+ n = 3 * value - 2 +
+ cblk->numpassesinlayers;
+ else
+ n = cblk->numpassesinlayers;
+ } else
+ n = 3 * value + cblk->numpassesinlayers;
+
+ layer->numpasses = n - cblk->numpassesinlayers;
+
+ if (!layer->numpasses)
+ continue;
+
+ if (cblk->numpassesinlayers == 0) {
+ layer->len = cblk->passes[n - 1].rate;
+ layer->data = cblk->data;
+ } else {
+ layer->len =
+ cblk->passes[n - 1].rate -
+ cblk->passes[cblk->numpassesinlayers -
+ 1].rate;
+ layer->data =
+ cblk->data +
+ cblk->passes[cblk->numpassesinlayers -
+ 1].rate;
+ }
+ if (final)
+ cblk->numpassesinlayers = n;
+ }
+ }
}
- }
}
- }
}
}
-void tcd_rateallocate_fixed() {
- int layno;
+void tcd_rateallocate_fixed()
+{
+ int layno;
- for (layno=0; layno<tcd_tcp->numlayers; layno++)
- {
- tcd_makelayer_fixed(layno, 1);
+ for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
+ tcd_makelayer_fixed(layno, 1);
}
}
void tcd_makelayer(int layno, double thresh, int final)
{
- int compno, resno, bandno, precno, cblkno, passno;
- for (compno = 0; compno < tcd_tile->numcomps; compno++) {
- tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
- tcd_band_t *band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- tcd_layer_t *layer = &cblk->layers[layno];
- int n;
-
- if (layno == 0) {
- cblk->numpassesinlayers = 0;
- }
- n = cblk->numpassesinlayers;
- for (passno = cblk->numpassesinlayers;
- passno < cblk->totalpasses; passno++) {
- int dr;
- double dd;
- tcd_pass_t *pass = &cblk->passes[passno];
- if (n == 0) {
- dr = pass->rate;
- dd = pass->distortiondec;
- } else {
- dr = pass->rate - cblk->passes[n - 1].rate;
- dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
- }
- if (dr == 0) {
- if (dd != 0)
- n = passno + 1;
- continue;
- }
- if (dd / dr > thresh)
- n = passno + 1;
- }
- layer->numpasses = n - cblk->numpassesinlayers;
- if (!layer->numpasses)
- continue;
- if (cblk->numpassesinlayers == 0) {
- layer->len = cblk->passes[n - 1].rate;
- layer->data = cblk->data;
- layer->disto = cblk->passes[n - 1].distortiondec;
- } else {
- layer->len = cblk->passes[n - 1].rate -
- cblk->passes[cblk->numpassesinlayers - 1].rate;
- layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
- layer->disto = cblk->passes[n - 1].distortiondec -
- cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
- }
-
- if (final)
- cblk->numpassesinlayers = n;
- }
- }
+ int compno, resno, bandno, precno, cblkno, passno;
+ for (compno = 0; compno < tcd_tile->numcomps; compno++) {
+ tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ tcd_resolution_t *res = &tilec->resolutions[resno];
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ tcd_layer_t *layer = &cblk->layers[layno];
+ int n;
+
+ if (layno == 0) {
+ cblk->numpassesinlayers = 0;
+ }
+ n = cblk->numpassesinlayers;
+ for (passno = cblk->numpassesinlayers;
+ passno < cblk->totalpasses; passno++) {
+ int dr;
+ double dd;
+ tcd_pass_t *pass = &cblk->passes[passno];
+ if (n == 0) {
+ dr = pass->rate;
+ dd = pass->distortiondec;
+ } else {
+ dr = pass->rate - cblk->passes[n - 1].rate;
+ dd = pass->distortiondec - cblk->passes[n -
+ 1].
+ distortiondec;
+ }
+ if (dr == 0) {
+ if (dd != 0)
+ n = passno + 1;
+ continue;
+ }
+ if (dd / dr > thresh)
+ n = passno + 1;
+ }
+ layer->numpasses = n - cblk->numpassesinlayers;
+ if (!layer->numpasses)
+ continue;
+ if (cblk->numpassesinlayers == 0) {
+ layer->len = cblk->passes[n - 1].rate;
+ layer->data = cblk->data;
+ layer->disto =
+ cblk->passes[n - 1].distortiondec;
+ } else {
+ layer->len = cblk->passes[n - 1].rate -
+ cblk->passes[cblk->numpassesinlayers -
+ 1].rate;
+ layer->data =
+ cblk->data +
+ cblk->passes[cblk->numpassesinlayers -
+ 1].rate;
+ layer->disto =
+ cblk->passes[n - 1].distortiondec -
+ cblk->passes[cblk->numpassesinlayers -
+ 1].distortiondec;
}
+
+ if (final)
+ cblk->numpassesinlayers = n;
+ }
}
+ }
}
+ }
}
void tcd_rateallocate(unsigned char *dest, int len, info_image * info_IM)
{
- int compno, resno, bandno, precno, cblkno, passno, layno;
- double min, max;
- min = DBL_MAX;
- max = 0;
-
- for (compno = 0; compno < tcd_tile->numcomps; compno++) {
- tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
- tcd_band_t *band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- tcd_cblk_t *cblk = &prc->cblks[cblkno];
- for (passno = 0; passno < cblk->totalpasses; passno++) {
- tcd_pass_t *pass = &cblk->passes[passno];
- int dr;
- double dd, rdslope;
- if (passno == 0) {
- dr = pass->rate;
- dd = pass->distortiondec;
- } else {
- dr = pass->rate - cblk->passes[passno - 1].rate;
- dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
- }
- if (dr == 0) {
- continue;
- }
- rdslope = dd / dr;
- if (rdslope < min) {
- min = rdslope;
- }
- if (rdslope > max) {
- max = rdslope;
- }
- } /* passno */
- } /* cbklno */
- } /* precno */
- } /* bandno */
- } /* resno */
- } /* compno */
- if (info_IM->index_on) { /* Threshold for Marcela Index */
- info_IM->tile[tcd_tileno].thresh=(double*)malloc(tcd_tcp->numlayers*sizeof(double));
- }
- for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
- volatile double lo = min;
- volatile double hi = max;
- volatile int success = 0;
- volatile int maxlen = int_min(tcd_tcp->rates[layno], len);
- volatile double goodthresh;
- volatile int goodlen;
- volatile int i;
-
- for (i = 0; i < 32; i++) {
- volatile double thresh = (lo + hi) / 2;
- int l;
-
- tcd_makelayer(layno, thresh, 0);
-
- l = t2_encode_packets(tcd_img, tcd_cp, tcd_tileno, tcd_tile, layno + 1, dest, maxlen, info_IM);
- /* fprintf(stderr, "rate alloc: len=%d, max=%d\n", l, maxlen); */
- if (l == -999) {
- lo = thresh;
+ int compno, resno, bandno, precno, cblkno, passno, layno;
+ double min, max;
+ min = DBL_MAX;
+ max = 0;
+
+ for (compno = 0; compno < tcd_tile->numcomps; compno++) {
+ tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ tcd_resolution_t *res = &tilec->resolutions[resno];
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ tcd_band_t *band = &res->bands[bandno];
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ for (passno = 0; passno < cblk->totalpasses;
+ passno++) {
+ tcd_pass_t *pass = &cblk->passes[passno];
+ int dr;
+ double dd, rdslope;
+ if (passno == 0) {
+ dr = pass->rate;
+ dd = pass->distortiondec;
+ } else {
+ dr = pass->rate - cblk->passes[passno -
+ 1].rate;
+ dd = pass->distortiondec -
+ cblk->passes[passno - 1].distortiondec;
+ }
+ if (dr == 0) {
continue;
- }
+ }
+ rdslope = dd / dr;
+ if (rdslope < min) {
+ min = rdslope;
+ }
+ if (rdslope > max) {
+ max = rdslope;
+ }
+ } /* passno */
+ } /* cbklno */
+ } /* precno */
+ } /* bandno */
+ } /* resno */
+ } /* compno */
+ if (info_IM->index_on) { /* Threshold for Marcela Index */
+ info_IM->tile[tcd_tileno].thresh =
+ (double *) malloc(tcd_tcp->numlayers * sizeof(double));
+ }
+ for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
+ volatile double lo = min;
+ volatile double hi = max;
+ volatile int success = 0;
+ volatile int maxlen = int_min(tcd_tcp->rates[layno], len);
+ volatile double goodthresh;
+ volatile int goodlen;
+ volatile int i;
+
+ for (i = 0; i < 32; i++) {
+ volatile double thresh = (lo + hi) / 2;
+ int l;
+
+ tcd_makelayer(layno, thresh, 0);
+
+ l = t2_encode_packets(tcd_img, tcd_cp, tcd_tileno, tcd_tile,
+ layno + 1, dest, maxlen, info_IM);
+ /* fprintf(stderr, "rate alloc: len=%d, max=%d\n", l, maxlen); */
+ if (l == -999) {
+ lo = thresh;
+ continue;
+ }
- hi = thresh;
- success = 1;
- goodthresh = thresh;
- goodlen = l;
- }
+ hi = thresh;
+ success = 1;
+ goodthresh = thresh;
+ goodlen = l;
+ }
- if (!success) {
- longjmp(j2k_error, 1);
- }
-
- if (info_IM->index_on) { /* Threshold for Marcela Index */
- info_IM->tile[tcd_tileno].thresh[layno]=goodthresh;
- }
- tcd_makelayer(layno, goodthresh, 1);
+ if (!success) {
+ longjmp(j2k_error, 1);
+ }
+
+ if (info_IM->index_on) { /* Threshold for Marcela Index */
+ info_IM->tile[tcd_tileno].thresh[layno] = goodthresh;
}
+ tcd_makelayer(layno, goodthresh, 1);
+ }
}
-int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len, info_image * info_IM)
+int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len,
+ info_image * info_IM)
{
- int compno;
- int l;
- clock_t time7;
- tcd_tile_t *tile;
- j2k_tcp_t *tcp = &tcd_cp->tcps[0];
- j2k_tccp_t *tccp = &tcp->tccps[0];
-
- tcd_tileno = tileno;
- tcd_tile = tcd_image.tiles;
- tcd_tcp = &tcd_cp->tcps[tileno];
- tile = tcd_tile;
- /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
- if (info_IM->index_on) {
- tcd_tilecomp_t *tilec_idx = &tile->comps[0]; /* old parser version */
- tcd_resolution_t *res_idx = &tilec_idx->resolutions[0]; /* old parser version */
-
- info_IM->tile[tileno].pw = res_idx->pw;
- info_IM->tile[tileno].ph = res_idx->ph;
-
- info_IM->pw = res_idx->pw; /* old parser version */
- info_IM->ph = res_idx->ph; /* old parser version */
- info_IM->pdx = 1 << tccp->prcw[tccp->numresolutions - 1];
- info_IM->pdy = 1 << tccp->prch[tccp->numresolutions - 1];
- }
- /* << INDEX */
+ int compno;
+ int l;
+ clock_t time7;
+ tcd_tile_t *tile;
+ j2k_tcp_t *tcp = &tcd_cp->tcps[0];
+ j2k_tccp_t *tccp = &tcp->tccps[0];
+
+ tcd_tileno = tileno;
+ tcd_tile = tcd_image.tiles;
+ tcd_tcp = &tcd_cp->tcps[tileno];
+ tile = tcd_tile;
+ /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
+ if (info_IM->index_on) {
+ tcd_tilecomp_t *tilec_idx = &tile->comps[0]; /* old parser version */
+ tcd_resolution_t *res_idx = &tilec_idx->resolutions[0]; /* old parser version */
+
+ info_IM->tile[tileno].pw = res_idx->pw;
+ info_IM->tile[tileno].ph = res_idx->ph;
+
+ info_IM->pw = res_idx->pw; /* old parser version */
+ info_IM->ph = res_idx->ph; /* old parser version */
+ info_IM->pdx = 1 << tccp->prcw[tccp->numresolutions - 1];
+ info_IM->pdy = 1 << tccp->prch[tccp->numresolutions - 1];
+ }
+ /* << INDEX */
/*---------------TILE-------------------*/
- time7 = clock();
+ time7 = clock();
+
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ FILE *src;
+ char tmp[256];
+ int k;
+ unsigned char elmt;
+ int i, j;
+ int tw, w;
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ int adjust =
+ tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].
+ prec - 1);
+ int offset_x, offset_y;
+
+ offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
+ offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
+ tw = tilec->x1 - tilec->x0;
+ w = int_ceildiv(tcd_img->x1 - tcd_img->x0,
+ tcd_img->comps[compno].dx);
+ sprintf(tmp, "Compo%d", compno); /* component file */
+ src = fopen(tmp, "rb");
+ if (!src) {
+ fprintf(stderr, "failed to open %s for reading\n", tmp);
+ return 1;
+ }
- for (compno = 0; compno < tile->numcomps; compno++) {
- FILE *src;
- char tmp[256];
- int k;
- unsigned char elmt;
- int i, j;
- int tw, w;
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- int adjust = tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].prec - 1);
- int offset_x, offset_y;
-
- offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
- offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
- tw = tilec->x1 - tilec->x0;
- w = int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
- sprintf(tmp, "Compo%d", compno); /* component file */
- src = fopen(tmp, "rb");
- if (!src) {
- fprintf(stderr, "failed to open %s for reading\n", tmp);
- return 1;
+ /* read the Compo file to extract data of the tile */
+ k = 0;
+ fseek(src, (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w,
+ SEEK_SET);
+ k = (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w;
+ for (j = tilec->y0; j < tilec->y1; j++) {
+ for (i = tilec->x0; i < tilec->x1; i++) {
+ if (tcd_tcp->tccps[compno].qmfbid == 1) {
+ elmt = fgetc(src);
+ tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] =
+ elmt - adjust;
+ k++;
+ } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
+ elmt = fgetc(src);
+ tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] =
+ (elmt - adjust) << 13;
+ k++;
}
+ }
+ fseek(src, (tilec->x0 - offset_x) + (j + 1 - offset_y) * w - k,
+ SEEK_CUR);
+ k = tilec->x0 - offset_x + (j + 1 - offset_y) * w;
- /* read the Compo file to extract data of the tile */
- k = 0;
- fseek(src, (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w, SEEK_SET);
- k = (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w;
- for (j = tilec->y0; j < tilec->y1; j++) {
- for (i = tilec->x0; i < tilec->x1; i++) {
- if (tcd_tcp->tccps[compno].qmfbid == 1) {
- elmt = fgetc(src);
- tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] = elmt - adjust;
- k++;
- } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
- elmt = fgetc(src);
- tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] = (elmt - adjust) << 13;
- k++;
- }
- }
- fseek(src, (tilec->x0 - offset_x) + (j + 1 - offset_y) * w - k, SEEK_CUR);
- k = tilec->x0 - offset_x + (j + 1 - offset_y) * w;
-
- }
- fclose(src);
}
+ fclose(src);
+ }
/*----------------MCT-------------------*/
- if (tcd_tcp->mct) {
- if (tcd_tcp->tccps[0].qmfbid == 0) {
- mct_encode_real(tile->comps[0].data, tile->comps[1].data,tile->comps[2].data,
- (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
- } else {
- mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
- (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
- }
+ if (tcd_tcp->mct) {
+ if (tcd_tcp->tccps[0].qmfbid == 0) {
+ mct_encode_real(tile->comps[0].data, tile->comps[1].data,
+ tile->comps[2].data,
+ (tile->comps[0].x1 -
+ tile->comps[0].x0) * (tile->comps[0].y1 -
+ tile->comps[0].y0));
+ } else {
+ mct_encode(tile->comps[0].data, tile->comps[1].data,
+ tile->comps[2].data,
+ (tile->comps[0].x1 -
+ tile->comps[0].x0) * (tile->comps[0].y1 -
+ tile->comps[0].y0));
}
+ }
/*----------------DWT---------------------*/
- /* time3=clock(); */
- for (compno = 0; compno < tile->numcomps; compno++) {
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- if (tcd_tcp->tccps[compno].qmfbid == 1) {
- dwt_encode(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
- } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
- dwt_encode_real(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
- }
+ /* time3=clock(); */
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ if (tcd_tcp->tccps[compno].qmfbid == 1) {
+ dwt_encode(tilec->data, tilec->x1 - tilec->x0,
+ tilec->y1 - tilec->y0, tilec,
+ tilec->numresolutions - 1);
+ } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
+ dwt_encode_real(tilec->data, tilec->x1 - tilec->x0,
+ tilec->y1 - tilec->y0, tilec,
+ tilec->numresolutions - 1);
}
+ }
/*------------------TIER1-----------------*/
- t1_init_luts();
- t1_encode_cblks(tile, tcd_tcp);
+ t1_init_luts();
+ t1_encode_cblks(tile, tcd_tcp);
/*-----------RATE-ALLOCATE------------------*/
- info_IM->index_write = 0; /* INDEX */
-
- if (tcd_cp->disto_alloc)
- /* Normal Rate/distortion allocation */
- tcd_rateallocate(dest, len, info_IM);
- else
- /* Fixed layer allocation */
- tcd_rateallocate_fixed();
-
+ info_IM->index_write = 0; /* INDEX */
+
+ if (tcd_cp->disto_alloc)
+ /* Normal Rate/distortion allocation */
+ tcd_rateallocate(dest, len, info_IM);
+ else
+ /* Fixed layer allocation */
+ tcd_rateallocate_fixed();
+
/*--------------TIER2------------------*/
- info_IM->index_write = 1; /* INDEX */
- l = t2_encode_packets(tcd_img, tcd_cp, tileno, tile, tcd_tcp->numlayers, dest, len, info_IM);
+ info_IM->index_write = 1; /* INDEX */
+ l = t2_encode_packets(tcd_img, tcd_cp, tileno, tile,
+ tcd_tcp->numlayers, dest, len, info_IM);
/*---------------CLEAN-------------------*/
- time7 = clock() - time7;
- printf("total: %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC, (time7 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
+ time7 = clock() - time7;
+ printf("total: %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC,
+ (time7 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
- /* cleaning memory */
- for (compno = 0; compno < tile->numcomps; compno++) {
- tilec = &tile->comps[compno];
- free(tilec->data);
- }
+ /* cleaning memory */
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tilec = &tile->comps[compno];
+ free(tilec->data);
+ }
- return l;
+ return l;
}
-int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len, info_image * info_IM)
+int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len,
+ info_image * info_IM)
{
- int compno;
- int l;
- clock_t time;
- tcd_tile_t *tile;
- j2k_tcp_t *tcp = &tcd_cp->tcps[0];
- j2k_tccp_t *tccp = &tcp->tccps[0];
-
- tcd_tileno = tileno;
- tcd_tile = tcd_image.tiles;
- tcd_tcp = &tcd_cp->tcps[tileno];
- tile = tcd_tile;
- /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
- if (info_IM->index_on) {
- tcd_tilecomp_t *tilec_idx = &tile->comps[0];
- tcd_resolution_t *res_idx = &tilec_idx->resolutions[0];
- info_IM->tile[tileno].pw = res_idx->pw;
- info_IM->tile[tileno].ph = res_idx->ph;
- info_IM->pw = res_idx->pw; /* old parser version */
- info_IM->ph = res_idx->ph; /* old parser version */
- info_IM->pdx = 1 << tccp->prcw[tccp->numresolutions - 1];
- info_IM->pdy = 1 << tccp->prch[tccp->numresolutions - 1];
- }
- /* << INDEX */
+ int compno;
+ int l;
+ clock_t time;
+ tcd_tile_t *tile;
+ j2k_tcp_t *tcp = &tcd_cp->tcps[0];
+ j2k_tccp_t *tccp = &tcp->tccps[0];
+
+ tcd_tileno = tileno;
+ tcd_tile = tcd_image.tiles;
+ tcd_tcp = &tcd_cp->tcps[tileno];
+ tile = tcd_tile;
+ /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
+ if (info_IM->index_on) {
+ tcd_tilecomp_t *tilec_idx = &tile->comps[0];
+ tcd_resolution_t *res_idx = &tilec_idx->resolutions[0];
+ info_IM->tile[tileno].pw = res_idx->pw;
+ info_IM->tile[tileno].ph = res_idx->ph;
+ info_IM->pw = res_idx->pw; /* old parser version */
+ info_IM->ph = res_idx->ph; /* old parser version */
+ info_IM->pdx = 1 << tccp->prcw[tccp->numresolutions - 1];
+ info_IM->pdy = 1 << tccp->prch[tccp->numresolutions - 1];
+ }
+ /* << INDEX */
/*---------------TILE-------------------*/
- time = clock();
-
- for (compno = 0; compno < tile->numcomps; compno++) {
- FILE *src;
- char tmp[256];
- int k;
- int elmt;
- int i, j;
- int tw, w;
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- int adjust = tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].prec - 1);
- int offset_x, offset_y;
-
- offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
- offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
- tw = tilec->x1 - tilec->x0;
- w = int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
- sprintf(tmp, "bandtile%d", tileno / tcd_cp->tw + 1); /* bandtile file opening */
- src = fopen(tmp, "rb");
- if (!src) {
- fprintf(stderr, "failed to open %s for reading\n", tmp);
- return 1;
- }
- /* Extract data from bandtile file limited to the current tile */
- k = 0;
- while (k < tilec->x0 - offset_x) {
- k++;
- fscanf(src, "%d", &elmt);
- }
+ time = clock();
+
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ FILE *src;
+ char tmp[256];
+ int k;
+ int elmt;
+ int i, j;
+ int tw, w;
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ int adjust =
+ tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].
+ prec - 1);
+ int offset_x, offset_y;
+
+ offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
+ offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
+ tw = tilec->x1 - tilec->x0;
+ w = int_ceildiv(tcd_img->x1 - tcd_img->x0,
+ tcd_img->comps[compno].dx);
+ sprintf(tmp, "bandtile%d", tileno / tcd_cp->tw + 1); /* bandtile file opening */
+ src = fopen(tmp, "rb");
+ if (!src) {
+ fprintf(stderr, "failed to open %s for reading\n", tmp);
+ return 1;
+ }
+ /* Extract data from bandtile file limited to the current tile */
+ k = 0;
+ while (k < tilec->x0 - offset_x) {
+ k++;
+ fscanf(src, "%d", &elmt);
+ }
- for (j = 0; j < tilec->y1 - tilec->y0; j++) {
- for (i = tilec->x0; i < tilec->x1; i++) {
- if (tcd_tcp->tccps[compno].qmfbid == 1) {
- fscanf(src, "%d", &elmt);
- tilec->data[i - tilec->x0 + (j) * tw] = elmt - adjust;
- k++;
- } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
- fscanf(src, "%d", &elmt);
- tilec->data[i - tilec->x0 + (j) * tw] = (elmt - adjust) << 13;
- k++;
- }
- }
- while (k < tilec->x0 - offset_x + (j + 1) * w) {
- k++;
- fscanf(src, "%d", &elmt);
- }
+ for (j = 0; j < tilec->y1 - tilec->y0; j++) {
+ for (i = tilec->x0; i < tilec->x1; i++) {
+ if (tcd_tcp->tccps[compno].qmfbid == 1) {
+ fscanf(src, "%d", &elmt);
+ tilec->data[i - tilec->x0 + (j) * tw] = elmt - adjust;
+ k++;
+ } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
+ fscanf(src, "%d", &elmt);
+ tilec->data[i - tilec->x0 + (j) * tw] =
+ (elmt - adjust) << 13;
+ k++;
}
- fclose(src);
+ }
+ while (k < tilec->x0 - offset_x + (j + 1) * w) {
+ k++;
+ fscanf(src, "%d", &elmt);
+ }
}
+ fclose(src);
+ }
/*----------------MCT-------------------*/
- if (tcd_tcp->mct) {
- if (tcd_tcp->tccps[0].qmfbid == 0) {
- mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
- (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
- } else {
- mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
- (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
- }
+ if (tcd_tcp->mct) {
+ if (tcd_tcp->tccps[0].qmfbid == 0) {
+ mct_encode_real(tile->comps[0].data, tile->comps[1].data,
+ tile->comps[2].data,
+ (tile->comps[0].x1 -
+ tile->comps[0].x0) * (tile->comps[0].y1 -
+ tile->comps[0].y0));
+ } else {
+ mct_encode(tile->comps[0].data, tile->comps[1].data,
+ tile->comps[2].data,
+ (tile->comps[0].x1 -
+ tile->comps[0].x0) * (tile->comps[0].y1 -
+ tile->comps[0].y0));
}
+ }
/*----------------DWT---------------------*/
- for (compno = 0; compno < tile->numcomps; compno++) {
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- if (tcd_tcp->tccps[compno].qmfbid == 1) {
- dwt_encode(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
- } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
- dwt_encode_real(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
- }
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ if (tcd_tcp->tccps[compno].qmfbid == 1) {
+ dwt_encode(tilec->data, tilec->x1 - tilec->x0,
+ tilec->y1 - tilec->y0, tilec,
+ tilec->numresolutions - 1);
+ } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
+ dwt_encode_real(tilec->data, tilec->x1 - tilec->x0,
+ tilec->y1 - tilec->y0, tilec,
+ tilec->numresolutions - 1);
}
+ }
/*------------------TIER1-----------------*/
-
- t1_init_luts();
- t1_encode_cblks(tile, tcd_tcp);
+
+ t1_init_luts();
+ t1_encode_cblks(tile, tcd_tcp);
/*-----------RATE-ALLOCATE------------------*/
- info_IM->index_write = 0; /* INDEX */
+ info_IM->index_write = 0; /* INDEX */
+
+ info_IM->index_write = 0; /* INDEX */
- info_IM->index_write=0; /* INDEX */
-
- if (tcd_cp->disto_alloc)
- /* Normal Rate/distortion allocation */
- tcd_rateallocate(dest, len, info_IM);
- else
- /* Fixed layer allocation */
- tcd_rateallocate_fixed();
+ if (tcd_cp->disto_alloc)
+ /* Normal Rate/distortion allocation */
+ tcd_rateallocate(dest, len, info_IM);
+ else
+ /* Fixed layer allocation */
+ tcd_rateallocate_fixed();
/*--------------TIER2------------------*/
- info_IM->index_write = 1; /* INDEX */
+ info_IM->index_write = 1; /* INDEX */
- l = t2_encode_packets(tcd_img, tcd_cp, tileno, tile, tcd_tcp->numlayers, dest, len, info_IM);
+ l = t2_encode_packets(tcd_img, tcd_cp, tileno, tile,
+ tcd_tcp->numlayers, dest, len, info_IM);
/*---------------CLEAN-------------------*/
- time = clock() - time;
- printf("total: %ld.%.3ld s\n", time / CLOCKS_PER_SEC, (time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
+ time = clock() - time;
+ printf("total: %ld.%.3ld s\n", time / CLOCKS_PER_SEC,
+ (time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
- for (compno = 0; compno < tile->numcomps; compno++) {
- tilec = &tile->comps[compno];
- free(tilec->data);
- }
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tilec = &tile->comps[compno];
+ free(tilec->data);
+ }
- return l;
+ return l;
}
int tcd_decode_tile(unsigned char *src, int len, int tileno)
{
- int l;
- int compno;
- int eof = 0;
- clock_t time;
- tcd_tile_t *tile;
+ int l;
+ int compno;
+ int eof = 0;
+ clock_t time;
+ tcd_tile_t *tile;
- tcd_tileno = tileno;
- tcd_tile = &tcd_image.tiles[tileno];
- tcd_tcp = &tcd_cp->tcps[tileno];
- tile = tcd_tile;
+ tcd_tileno = tileno;
+ tcd_tile = &tcd_image.tiles[tileno];
+ tcd_tcp = &tcd_cp->tcps[tileno];
+ tile = tcd_tile;
- time = clock();
+ time = clock();
- fprintf(stderr,"tile decoding time %d/%d: ", tileno + 1, tcd_cp->tw * tcd_cp->th);
+ fprintf(stderr, "tile decoding time %d/%d: ", tileno + 1,
+ tcd_cp->tw * tcd_cp->th);
/*--------------TIER2------------------*/
- l = t2_decode_packets(src, len, tcd_img, tcd_cp, tileno, tile);
+ l = t2_decode_packets(src, len, tcd_img, tcd_cp, tileno, tile);
- if (l == -999) {
- eof = 1;
- fprintf(stderr, "tcd_decode: incomplete bistream\n");
- }
+ if (l == -999) {
+ eof = 1;
+ fprintf(stderr, "tcd_decode: incomplete bistream\n");
+ }
/*------------------TIER1-----------------*/
- t1_init_luts();
- t1_decode_cblks(tile, tcd_tcp);
+ t1_init_luts();
+ t1_decode_cblks(tile, tcd_tcp);
/*----------------DWT---------------------*/
- for (compno = 0; compno < tile->numcomps; compno++)
- {
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- if (tcd_cp->reduce_on == 1)
- {
- tcd_img->comps[compno].resno_decoded = tile->comps[compno].numresolutions - tcd_cp->reduce_value - 1;
- }
-
-
- if (tcd_tcp->tccps[compno].qmfbid == 1)
- {
- dwt_decode(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1,
- tilec->numresolutions - 1 - tcd_img->comps[compno].resno_decoded);
- } else {
- dwt_decode_real(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1,
- tilec->numresolutions - 1 - tcd_img->comps[compno].resno_decoded);
- }
-
- if (tile->comps[compno].numresolutions > 0)
- tcd_img->comps[compno].factor = tile->comps[compno].numresolutions - (tcd_img->comps[compno].resno_decoded + 1);
- }
-
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ if (tcd_cp->reduce_on == 1) {
+ tcd_img->comps[compno].resno_decoded =
+ tile->comps[compno].numresolutions - tcd_cp->reduce_value -
+ 1;
+ }
+
+
+ if (tcd_tcp->tccps[compno].qmfbid == 1) {
+ dwt_decode(tilec->data, tilec->x1 - tilec->x0,
+ tilec->y1 - tilec->y0, tilec,
+ tilec->numresolutions - 1,
+ tilec->numresolutions - 1 -
+ tcd_img->comps[compno].resno_decoded);
+ } else {
+ dwt_decode_real(tilec->data, tilec->x1 - tilec->x0,
+ tilec->y1 - tilec->y0, tilec,
+ tilec->numresolutions - 1,
+ tilec->numresolutions - 1 -
+ tcd_img->comps[compno].resno_decoded);
+ }
+
+ if (tile->comps[compno].numresolutions > 0)
+ tcd_img->comps[compno].factor =
+ tile->comps[compno].numresolutions -
+ (tcd_img->comps[compno].resno_decoded + 1);
+ }
+
/*----------------MCT-------------------*/
- if (tcd_tcp->mct) {
- if (tcd_tcp->tccps[0].qmfbid == 1) {
- mct_decode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
- (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
- } else {
- mct_decode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
- (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
- }
+ if (tcd_tcp->mct) {
+ if (tcd_tcp->tccps[0].qmfbid == 1) {
+ mct_decode(tile->comps[0].data, tile->comps[1].data,
+ tile->comps[2].data,
+ (tile->comps[0].x1 -
+ tile->comps[0].x0) * (tile->comps[0].y1 -
+ tile->comps[0].y0));
+ } else {
+ mct_decode_real(tile->comps[0].data, tile->comps[1].data,
+ tile->comps[2].data,
+ (tile->comps[0].x1 -
+ tile->comps[0].x0) * (tile->comps[0].y1 -
+ tile->comps[0].y0));
}
+ }
/*---------------TILE-------------------*/
- for (compno = 0; compno < tile->numcomps; compno++) {
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- tcd_resolution_t *res = &tilec->resolutions[tcd_img->comps[compno].resno_decoded];
- int adjust = tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].prec - 1);
- int min = tcd_img->comps[compno].sgnd ? - (1 << (tcd_img->comps[compno].prec - 1)) : 0;
- int max = tcd_img->comps[compno].sgnd ? (1 << (tcd_img->comps[compno].prec - 1)) - 1 : (1 << tcd_img->comps[compno].prec) - 1;
-
- int tw = tilec->x1 - tilec->x0;
- int w = tcd_img->comps[compno].w;
-
- int i, j;
- int offset_x = int_ceildivpow2(tcd_img->comps[compno].x0, tcd_img->comps[compno].factor);
- int offset_y = int_ceildivpow2(tcd_img->comps[compno].y0, tcd_img->comps[compno].factor);
-
- for (j = res->y0; j < res->y1; j++) {
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ tcd_tilecomp_t *tilec = &tile->comps[compno];
+ tcd_resolution_t *res =
+ &tilec->resolutions[tcd_img->comps[compno].resno_decoded];
+ int adjust =
+ tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].
+ prec - 1);
+ int min =
+ tcd_img->comps[compno].
+ sgnd ? -(1 << (tcd_img->comps[compno].prec - 1)) : 0;
+ int max =
+ tcd_img->comps[compno].
+ sgnd ? (1 << (tcd_img->comps[compno].prec - 1)) -
+ 1 : (1 << tcd_img->comps[compno].prec) - 1;
+
+ int tw = tilec->x1 - tilec->x0;
+ int w = tcd_img->comps[compno].w;
+
+ int i, j;
+ int offset_x =
+ int_ceildivpow2(tcd_img->comps[compno].x0,
+ tcd_img->comps[compno].factor);
+ int offset_y =
+ int_ceildivpow2(tcd_img->comps[compno].y0,
+ tcd_img->comps[compno].factor);
+
+ for (j = res->y0; j < res->y1; j++) {
for (i = res->x0; i < res->x1; i++) {
- int v;
- if (tcd_tcp->tccps[compno].qmfbid == 1) {
- v = tilec->data[i - res->x0 + (j - res->y0) * tw];
- } else {
- v = tilec->data[i - res->x0 + (j - res->y0) * tw] >> 13;
- }
- v += adjust;
-
- tcd_img->comps[compno].data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
+ int v;
+ if (tcd_tcp->tccps[compno].qmfbid == 1) {
+ v = tilec->data[i - res->x0 + (j - res->y0) * tw];
+ } else {
+ v = tilec->data[i - res->x0 +
+ (j - res->y0) * tw] >> 13;
+ }
+ v += adjust;
+
+ tcd_img->comps[compno].data[(i - offset_x) +
+ (j - offset_y) * w] =
+ int_clamp(v, min, max);
}
- }
}
+ }
- time = clock() - time;
- fprintf(stderr,"total: %ld.%.3ld s\n", time / CLOCKS_PER_SEC, (time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
+ time = clock() - time;
+ fprintf(stderr, "total: %ld.%.3ld s\n", time / CLOCKS_PER_SEC,
+ (time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
- if (eof) {
- longjmp(j2k_error, 1);
- }
+ if (eof) {
+ longjmp(j2k_error, 1);
+ }
- return l;
+ return l;
}
#include "tgt.h"
typedef struct {
- int numpasses;
- int len;
- unsigned char *data;
- int maxpasses;
- int numnewpasses;
- int newlen;
+ int numpasses;
+ int len;
+ unsigned char *data;
+ int maxpasses;
+ int numnewpasses;
+ int newlen;
} tcd_seg_t;
typedef struct {
- int rate;
- double distortiondec;
- int term, len;
+ int rate;
+ double distortiondec;
+ int term, len;
} tcd_pass_t;
typedef struct {
- int numpasses; /* Number of passes in the layer */
- int len; /* len of information */
- double disto; /* add for index (Cfr. Marcela) */
- unsigned char *data; /* data */
+ int numpasses; /* Number of passes in the layer */
+ int len; /* len of information */
+ double disto; /* add for index (Cfr. Marcela) */
+ unsigned char *data; /* data */
} tcd_layer_t;
typedef struct {
- int x0, y0, x1, y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
- int numbps;
- int numlenbits;
- int len; /* length */
- int numpasses; /* number of pass already done for the code-blocks */
- int numnewpasses; /* number of pass added to the code-blocks */
- int numsegs; /* number of segments */
- tcd_seg_t segs[100]; /* segments informations */
- unsigned char data[8192]; /* Data */
- int numpassesinlayers; /* number of passes in the layer */
- tcd_layer_t layers[100]; /* layer information */
- int totalpasses; /* total number of passes */
- tcd_pass_t passes[100]; /* information about the passes */
+ int x0, y0, x1, y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
+ int numbps;
+ int numlenbits;
+ int len; /* length */
+ int numpasses; /* number of pass already done for the code-blocks */
+ int numnewpasses; /* number of pass added to the code-blocks */
+ int numsegs; /* number of segments */
+ tcd_seg_t segs[100]; /* segments informations */
+ unsigned char data[8192]; /* Data */
+ int numpassesinlayers; /* number of passes in the layer */
+ tcd_layer_t layers[100]; /* layer information */
+ int totalpasses; /* total number of passes */
+ tcd_pass_t passes[100]; /* information about the passes */
} tcd_cblk_t;
typedef struct {
- int x0, y0, x1, y1; /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
- int cw, ch; /* number of precinct in width and heigth */
- tcd_cblk_t *cblks; /* code-blocks informations */
- tgt_tree_t *incltree; /* inclusion tree */
- tgt_tree_t *imsbtree; /* IMSB tree */
+ int x0, y0, x1, y1; /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
+ int cw, ch; /* number of precinct in width and heigth */
+ tcd_cblk_t *cblks; /* code-blocks informations */
+ tgt_tree_t *incltree; /* inclusion tree */
+ tgt_tree_t *imsbtree; /* IMSB tree */
} tcd_precinct_t;
typedef struct {
- int x0, y0, x1, y1; /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
- int bandno;
- tcd_precinct_t *precincts; /* precinct information */
- int numbps;
- int stepsize;
+ int x0, y0, x1, y1; /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
+ int bandno;
+ tcd_precinct_t *precincts; /* precinct information */
+ int numbps;
+ int stepsize;
} tcd_band_t;
typedef struct {
- int x0, y0, x1, y1; /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
- int pw, ph;
- int numbands; /* number sub-band for the resolution level */
- tcd_band_t bands[3]; /* subband information */
+ int x0, y0, x1, y1; /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
+ int pw, ph;
+ int numbands; /* number sub-band for the resolution level */
+ tcd_band_t bands[3]; /* subband information */
} tcd_resolution_t;
typedef struct {
- int x0, y0, x1, y1; /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
- int numresolutions; /* number of resolutions level */
- tcd_resolution_t *resolutions; /* resolutions information */
- int *data; /* data of the component */
+ int x0, y0, x1, y1; /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
+ int numresolutions; /* number of resolutions level */
+ tcd_resolution_t *resolutions; /* resolutions information */
+ int *data; /* data of the component */
} tcd_tilecomp_t;
typedef struct {
- int x0, y0, x1, y1; /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
- int numcomps; /* number of components in tile */
- tcd_tilecomp_t *comps; /* Components information */
+ int x0, y0, x1, y1; /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
+ int numcomps; /* number of components in tile */
+ tcd_tilecomp_t *comps; /* Components information */
} tcd_tile_t;
typedef struct {
- int tw, th; /* number of tiles in width and heigth */
- tcd_tile_t *tiles; /* Tiles information */
+ int tw, th; /* number of tiles in width and heigth */
+ tcd_tile_t *tiles; /* Tiles information */
} tcd_image_t;
/*
* len: length of destination buffer
* info_IM: creation of index file
*/
-int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len, info_image * info_IM);
+int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len,
+ info_image * info_IM);
/*
* len: length of destination buffer
* info_IM: creation of index file
*/
-int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len, info_image * info_IM);
+int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len,
+ info_image * info_IM);
/*
* Decode a tile from a buffer into a raw image
/* </summary> */
void tgt_reset(tgt_tree_t * tree)
{
- int i;
- /* new */
- if (!tree || tree == NULL)
- return;
-
- for (i = 0; i < tree->numnodes; i++) {
- tree->nodes[i].value = 999;
- tree->nodes[i].low = 0;
- tree->nodes[i].known = 0;
- }
+ int i;
+ /* new */
+ if (!tree || tree == NULL)
+ return;
+
+ for (i = 0; i < tree->numnodes; i++) {
+ tree->nodes[i].value = 999;
+ tree->nodes[i].low = 0;
+ tree->nodes[i].known = 0;
+ }
}
/* <summary> */
/* </summary> */
tgt_tree_t *tgt_create(int numleafsh, int numleafsv)
{
- int nplh[32];
- int nplv[32];
- tgt_node_t *node;
- tgt_node_t *parentnode;
- tgt_node_t *parentnode0;
- tgt_tree_t *tree;
- int i, j, k;
- int numlvls;
- int n;
-
- tree = (tgt_tree_t *) malloc(sizeof(tgt_tree_t));
- tree->numleafsh = numleafsh;
- tree->numleafsv = numleafsv;
-
- numlvls = 0;
- nplh[0] = numleafsh;
- nplv[0] = numleafsv;
- tree->numnodes = 0;
- do {
- n = nplh[numlvls] * nplv[numlvls];
- nplh[numlvls + 1] = (nplh[numlvls] + 1) / 2;
- nplv[numlvls + 1] = (nplv[numlvls] + 1) / 2;
- tree->numnodes += n;
- ++numlvls;
- } while (n > 1);
-
- /* ADD */
- if (tree->numnodes == 0) {
- free(tree);
- return NULL;
- }
-
- tree->nodes = (tgt_node_t *) malloc(tree->numnodes * sizeof(tgt_node_t));
-
- node = tree->nodes;
- parentnode = &tree->nodes[tree->numleafsh * tree->numleafsv];
- parentnode0 = parentnode;
-
- for (i = 0; i < numlvls - 1; ++i) {
- for (j = 0; j < nplv[i]; ++j) {
- k = nplh[i];
- while (--k >= 0) {
- node->parent = parentnode;
- ++node;
- if (--k >= 0) {
- node->parent = parentnode;
- ++node;
- }
- ++parentnode;
- }
- if ((j & 1) || j == nplv[i] - 1) {
- parentnode0 = parentnode;
- } else {
- parentnode = parentnode0;
- parentnode0 += nplh[i];
- }
+ int nplh[32];
+ int nplv[32];
+ tgt_node_t *node;
+ tgt_node_t *parentnode;
+ tgt_node_t *parentnode0;
+ tgt_tree_t *tree;
+ int i, j, k;
+ int numlvls;
+ int n;
+
+ tree = (tgt_tree_t *) malloc(sizeof(tgt_tree_t));
+ tree->numleafsh = numleafsh;
+ tree->numleafsv = numleafsv;
+
+ numlvls = 0;
+ nplh[0] = numleafsh;
+ nplv[0] = numleafsv;
+ tree->numnodes = 0;
+ do {
+ n = nplh[numlvls] * nplv[numlvls];
+ nplh[numlvls + 1] = (nplh[numlvls] + 1) / 2;
+ nplv[numlvls + 1] = (nplv[numlvls] + 1) / 2;
+ tree->numnodes += n;
+ ++numlvls;
+ } while (n > 1);
+
+ /* ADD */
+ if (tree->numnodes == 0) {
+ free(tree);
+ return NULL;
+ }
+
+ tree->nodes =
+ (tgt_node_t *) malloc(tree->numnodes * sizeof(tgt_node_t));
+
+ node = tree->nodes;
+ parentnode = &tree->nodes[tree->numleafsh * tree->numleafsv];
+ parentnode0 = parentnode;
+
+ for (i = 0; i < numlvls - 1; ++i) {
+ for (j = 0; j < nplv[i]; ++j) {
+ k = nplh[i];
+ while (--k >= 0) {
+ node->parent = parentnode;
+ ++node;
+ if (--k >= 0) {
+ node->parent = parentnode;
+ ++node;
}
+ ++parentnode;
+ }
+ if ((j & 1) || j == nplv[i] - 1) {
+ parentnode0 = parentnode;
+ } else {
+ parentnode = parentnode0;
+ parentnode0 += nplh[i];
+ }
}
- node->parent = 0;
+ }
+ node->parent = 0;
- tgt_reset(tree);
+ tgt_reset(tree);
- return tree;
+ return tree;
}
/* <summary> */
/* </summary> */
void tgt_destroy(tgt_tree_t * t)
{
- free(t->nodes);
- free(t);
+ free(t->nodes);
+ free(t);
}
/* <summary> */
/* </summary> */
void tgt_setvalue(tgt_tree_t * tree, int leafno, int value)
{
- tgt_node_t *node;
- node = &tree->nodes[leafno];
- while (node && node->value > value) {
- node->value = value;
- node = node->parent;
- }
+ tgt_node_t *node;
+ node = &tree->nodes[leafno];
+ while (node && node->value > value) {
+ node->value = value;
+ node = node->parent;
+ }
}
/* <summary> */
/* </summary> */
void tgt_encode(tgt_tree_t * tree, int leafno, int threshold)
{
- tgt_node_t *stk[31];
- tgt_node_t **stkptr;
- tgt_node_t *node;
- int low;
-
- stkptr = stk;
- node = &tree->nodes[leafno];
- while (node->parent) {
- *stkptr++ = node;
- node = node->parent;
+ tgt_node_t *stk[31];
+ tgt_node_t **stkptr;
+ tgt_node_t *node;
+ int low;
+
+ stkptr = stk;
+ node = &tree->nodes[leafno];
+ while (node->parent) {
+ *stkptr++ = node;
+ node = node->parent;
+ }
+
+ low = 0;
+ for (;;) {
+ if (low > node->low) {
+ node->low = low;
+ } else {
+ low = node->low;
}
- low = 0;
- for (;;) {
- if (low > node->low) {
- node->low = low;
- } else {
- low = node->low;
+ while (low < threshold) {
+ if (low >= node->value) {
+ if (!node->known) {
+ bio_write(1, 1);
+ node->known = 1;
}
-
- while (low < threshold) {
- if (low >= node->value) {
- if (!node->known) {
- bio_write(1, 1);
- node->known = 1;
- }
- break;
- }
- bio_write(0, 1);
- ++low;
- }
-
- node->low = low;
- if (stkptr == stk)
- break;
- node = *--stkptr;
+ break;
+ }
+ bio_write(0, 1);
+ ++low;
}
+ node->low = low;
+ if (stkptr == stk)
+ break;
+ node = *--stkptr;
+ }
+
}
/* <summary> */
/* </summary> */
int tgt_decode(tgt_tree_t * tree, int leafno, int threshold)
{
- tgt_node_t *stk[31];
- tgt_node_t **stkptr;
- tgt_node_t *node;
- int low;
-
- stkptr = stk;
- node = &tree->nodes[leafno];
- while (node->parent) {
- *stkptr++ = node;
- node = node->parent;
+ tgt_node_t *stk[31];
+ tgt_node_t **stkptr;
+ tgt_node_t *node;
+ int low;
+
+ stkptr = stk;
+ node = &tree->nodes[leafno];
+ while (node->parent) {
+ *stkptr++ = node;
+ node = node->parent;
+ }
+
+ low = 0;
+ for (;;) {
+ if (low > node->low) {
+ node->low = low;
+ } else {
+ low = node->low;
}
-
- low = 0;
- for (;;) {
- if (low > node->low) {
- node->low = low;
- } else {
- low = node->low;
- }
- while (low < threshold && low < node->value) {
- if (bio_read(1)) {
- node->value = low;
- } else {
- ++low;
- }
- }
- node->low = low;
- if (stkptr == stk) {
- break;
- }
- node = *--stkptr;
+ while (low < threshold && low < node->value) {
+ if (bio_read(1)) {
+ node->value = low;
+ } else {
+ ++low;
+ }
+ }
+ node->low = low;
+ if (stkptr == stk) {
+ break;
}
+ node = *--stkptr;
+ }
- return (node->value < threshold) ? 1 : 0;
+ return (node->value < threshold) ? 1 : 0;
}
#define __TGT_H
typedef struct tgt_node {
- struct tgt_node *parent;
- int value;
- int low;
- int known;
+ struct tgt_node *parent;
+ int value;
+ int low;
+ int known;
} tgt_node_t;
typedef struct {
- int numleafsh;
- int numleafsv;
- int numnodes;
- tgt_node_t *nodes;
+ int numleafsh;
+ int numleafsv;
+ int numnodes;
+ tgt_node_t *nodes;
} tgt_tree_t;
projects / openjpeg / commitdiff