set(common_SRCS ${OPENJPEG_SOURCE_DIR}/src/bin/common/opj_getopt.c)
-# While mj2 executables do not use the API correctly, we do not link with the library but rather compile the sources files.
-set(OPJ_SRCS
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/bio.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/cio.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/dwt.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/event.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/image.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/j2k.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/j2k_lib.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/jp2.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/jpt.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/mct.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/mqc.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/openjpeg.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/pi.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/raw.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/t1.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/t2.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/tcd.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/tgt.c
-${OPENJPEG_SOURCE_DIR}/src/lib/openjp2/function_list.c
-)
-
-#set(MJ2_SRCS mj2.c mj2_convert.c)
-
if(WIN32)
add_definitions(-DOPJ_STATIC)
endif()
# Headers file are located here:
include_directories(
${OPENJPEG_BINARY_DIR}/src/lib/openjp2 # opj_config.h
- #${OPENJPEG_SOURCE_DIR}/src/lib/openjp2
${OPENJPEG_SOURCE_DIR}/src/lib/openmj2
${OPENJPEG_SOURCE_DIR}/src/bin/common
${LCMS_INCLUDE_DIRNAME}
add_executable(${exe}
${exe}.c
${common_SRCS}
- ${OPJ_SRCS}
${MJ2_SRCS}
${OPENJPEG_SOURCE_DIR}/src/bin/common/color.c
)
mj2.c
mj2_convert.c
# FIXME: legacy
+ j2k_lib.c
+ cio.c
jp2.c
j2k.c
tcd.c
tgt.c
dwt.c
event.c
+ image.c
+ jpt.c
+ raw.c
openjpeg.c
)
--- /dev/null
+/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/* ----------------------------------------------------------------------- */
+
+opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length) {
+ opj_cp_t *cp = NULL;
+ opj_cio_t *cio = (opj_cio_t*)opj_malloc(sizeof(opj_cio_t));
+ if(!cio) return NULL;
+ cio->cinfo = cinfo;
+ if(buffer && length) {
+ /* wrap a user buffer containing the encoded image */
+ cio->openmode = OPJ_STREAM_READ;
+ cio->buffer = buffer;
+ cio->length = length;
+ }
+ else if(!buffer && !length && cinfo) {
+ /* allocate a buffer for the encoded image */
+ cio->openmode = OPJ_STREAM_WRITE;
+ switch(cinfo->codec_format) {
+ case CODEC_J2K:
+ cp = ((opj_j2k_t*)cinfo->j2k_handle)->cp;
+ break;
+ case CODEC_JP2:
+ cp = ((opj_jp2_t*)cinfo->jp2_handle)->j2k->cp;
+ break;
+ default:
+ opj_free(cio);
+ return NULL;
+ }
+ cio->length = (unsigned int) (0.1625 * cp->img_size + 2000); /* 0.1625 = 1.3/8 and 2000 bytes as a minimum for headers */
+ cio->buffer = (unsigned char *)opj_malloc(cio->length);
+ if(!cio->buffer) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error allocating memory for compressed bitstream\n");
+ opj_free(cio);
+ return NULL;
+ }
+ }
+ else {
+ opj_free(cio);
+ return NULL;
+ }
+
+ /* Initialize byte IO */
+ cio->start = cio->buffer;
+ cio->end = cio->buffer + cio->length;
+ cio->bp = cio->buffer;
+
+ return cio;
+}
+
+void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio) {
+ if(cio) {
+ if(cio->openmode == OPJ_STREAM_WRITE) {
+ /* destroy the allocated buffer */
+ opj_free(cio->buffer);
+ }
+ /* destroy the cio */
+ opj_free(cio);
+ }
+}
+
+
+/* ----------------------------------------------------------------------- */
+
+/*
+ * Get position in byte stream.
+ */
+int OPJ_CALLCONV cio_tell(opj_cio_t *cio) {
+ return cio->bp - cio->start;
+}
+
+/*
+ * Set position in byte stream.
+ *
+ * pos : position, in number of bytes, from the beginning of the stream
+ */
+void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos) {
+ cio->bp = cio->start + pos;
+}
+
+/*
+ * Number of bytes left before the end of the stream.
+ */
+int cio_numbytesleft(opj_cio_t *cio) {
+ return cio->end - cio->bp;
+}
+
+/*
+ * Get pointer to the current position in the stream.
+ */
+unsigned char *cio_getbp(opj_cio_t *cio) {
+ return cio->bp;
+}
+
+/*
+ * Write a byte.
+ */
+opj_bool cio_byteout(opj_cio_t *cio, unsigned char v) {
+ if (cio->bp >= cio->end) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "write error\n");
+ return OPJ_FALSE;
+ }
+ *cio->bp++ = v;
+ return OPJ_TRUE;
+}
+
+/*
+ * Read a byte.
+ */
+unsigned char cio_bytein(opj_cio_t *cio) {
+ if (cio->bp >= cio->end) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "read error: passed the end of the codestream (start = %d, current = %d, end = %d\n", cio->start, cio->bp, cio->end);
+ return 0;
+ }
+ return *cio->bp++;
+}
+
+/*
+ * Write some bytes.
+ *
+ * v : value to write
+ * n : number of bytes to write
+ */
+unsigned int cio_write(opj_cio_t *cio, unsigned int64 v, int n) {
+ int i;
+ for (i = n - 1; i >= 0; i--) {
+ if( !cio_byteout(cio, (unsigned char) ((v >> (i << 3)) & 0xff)) )
+ return 0;
+ }
+ return n;
+}
+
+/*
+ * Read some bytes.
+ *
+ * n : number of bytes to read
+ *
+ * return : value of the n bytes read
+ */
+unsigned int cio_read(opj_cio_t *cio, int n) {
+ int i;
+ unsigned int v;
+ v = 0;
+ for (i = n - 1; i >= 0; i--) {
+ v += cio_bytein(cio) << (i << 3);
+ }
+ return v;
+}
+
+/*
+ * Skip some bytes.
+ *
+ * n : number of bytes to skip
+ */
+void cio_skip(opj_cio_t *cio, int n) {
+ cio->bp += n;
+}
+
+
+
--- /dev/null
+/*
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+opj_image_t* opj_image_create0(void) {
+ opj_image_t *image = (opj_image_t*)opj_calloc(1, sizeof(opj_image_t));
+ return image;
+}
+
+opj_image_t* OPJ_CALLCONV opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
+ int compno;
+ opj_image_t *image = NULL;
+
+ image = (opj_image_t*) opj_calloc(1, sizeof(opj_image_t));
+ if(image) {
+ image->color_space = clrspc;
+ image->numcomps = numcmpts;
+ /* allocate memory for the per-component information */
+ image->comps = (opj_image_comp_t*)opj_malloc(image->numcomps * sizeof(opj_image_comp_t));
+ if(!image->comps) {
+ fprintf(stderr,"Unable to allocate memory for image.\n");
+ opj_image_destroy(image);
+ return NULL;
+ }
+ /* create the individual image components */
+ for(compno = 0; compno < numcmpts; compno++) {
+ opj_image_comp_t *comp = &image->comps[compno];
+ comp->dx = cmptparms[compno].dx;
+ comp->dy = cmptparms[compno].dy;
+ comp->w = cmptparms[compno].w;
+ comp->h = cmptparms[compno].h;
+ comp->x0 = cmptparms[compno].x0;
+ comp->y0 = cmptparms[compno].y0;
+ comp->prec = cmptparms[compno].prec;
+ comp->bpp = cmptparms[compno].bpp;
+ comp->sgnd = cmptparms[compno].sgnd;
+ comp->data = (int*) opj_calloc(comp->w * comp->h, sizeof(int));
+ if(!comp->data) {
+ fprintf(stderr,"Unable to allocate memory for image.\n");
+ opj_image_destroy(image);
+ return NULL;
+ }
+ }
+ }
+
+ return image;
+}
+
+void OPJ_CALLCONV opj_image_destroy(opj_image_t *image) {
+ int i;
+ if(image) {
+ if(image->comps) {
+ /* image components */
+ for(i = 0; i < image->numcomps; i++) {
+ opj_image_comp_t *image_comp = &image->comps[i];
+ if(image_comp->data) {
+ opj_free(image_comp->data);
+ }
+ }
+ opj_free(image->comps);
+ }
+ opj_free(image);
+ }
+}
+
--- /dev/null
+/*
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/times.h>
+#endif /* _WIN32 */
+#include "opj_includes.h"
+
+double opj_clock(void) {
+#ifdef _WIN32
+ /* _WIN32: use QueryPerformance (very accurate) */
+ LARGE_INTEGER freq , t ;
+ /* freq is the clock speed of the CPU */
+ QueryPerformanceFrequency(&freq) ;
+ /* cout << "freq = " << ((double) freq.QuadPart) << endl; */
+ /* t is the high resolution performance counter (see MSDN) */
+ QueryPerformanceCounter ( & t ) ;
+ return ( t.QuadPart /(double) freq.QuadPart ) ;
+#else
+ /* Unix or Linux: use resource usage */
+ struct rusage t;
+ double procTime;
+ /* (1) Get the rusage data structure at this moment (man getrusage) */
+ getrusage(0,&t);
+ /* (2) What is the elapsed time ? - CPU time = User time + System time */
+ /* (2a) Get the seconds */
+ procTime = t.ru_utime.tv_sec + t.ru_stime.tv_sec;
+ /* (2b) More precisely! Get the microseconds part ! */
+ return ( procTime + (t.ru_utime.tv_usec + t.ru_stime.tv_usec) * 1e-6 ) ;
+#endif
+}
+
--- /dev/null
+/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/*
+ * Read the information contains in VBAS [JPP/JPT stream message header]
+ * Store information (7 bits) in value
+ *
+ */
+unsigned int jpt_read_VBAS_info(opj_cio_t *cio, unsigned int value) {
+ unsigned char elmt;
+
+ elmt = cio_read(cio, 1);
+ while ((elmt >> 7) == 1) {
+ value = (value << 7);
+ value |= (elmt & 0x7f);
+ elmt = cio_read(cio, 1);
+ }
+ value = (value << 7);
+ value |= (elmt & 0x7f);
+
+ return value;
+}
+
+/*
+ * Initialize the value of the message header structure
+ *
+ */
+void jpt_init_msg_header(opj_jpt_msg_header_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 */
+}
+
+/*
+ * Re-initialize the value of the message header structure
+ *
+ * Only parameters always present in message header
+ *
+ */
+void jpt_reinit_msg_header(opj_jpt_msg_header_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 */
+}
+
+/*
+ * Read the message header for a JPP/JPT - stream
+ *
+ */
+void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header) {
+ unsigned char elmt, Class = 0, CSn = 0;
+ jpt_reinit_msg_header(header);
+
+ /* ------------- */
+ /* VBAS : Bin-ID */
+ /* ------------- */
+ elmt = cio_read(cio, 1);
+
+ /* See for Class and CSn */
+ switch ((elmt >> 5) & 0x03) {
+ case 0:
+ opj_event_msg(cinfo, EVT_ERROR, "Forbidden value encounter in message header !!\n");
+ break;
+ case 1:
+ Class = 0;
+ CSn = 0;
+ break;
+ case 2:
+ Class = 1;
+ CSn = 0;
+ break;
+ case 3:
+ 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 >> 4) & 0x01) == 1)
+ header->last_byte = 1;
+
+ /* In-class identifier */
+ header->Id |= (elmt & 0x0f);
+ if ((elmt >> 7) == 1)
+ header->Id = jpt_read_VBAS_info(cio, header->Id);
+
+ /* ------------ */
+ /* VBAS : Class */
+ /* ------------ */
+ if (Class == 1) {
+ header->Class_Id = 0;
+ header->Class_Id = jpt_read_VBAS_info(cio, header->Class_Id);
+ }
+
+ /* ---------- */
+ /* VBAS : CSn */
+ /* ---------- */
+ if (CSn == 1) {
+ header->CSn_Id = 0;
+ header->CSn_Id = jpt_read_VBAS_info(cio, header->CSn_Id);
+ }
+
+ /* ----------------- */
+ /* VBAS : Msg_offset */
+ /* ----------------- */
+ header->Msg_offset = jpt_read_VBAS_info(cio, header->Msg_offset);
+
+ /* ----------------- */
+ /* VBAS : Msg_length */
+ /* ----------------- */
+ header->Msg_length = jpt_read_VBAS_info(cio, header->Msg_length);
+
+ /* ---------- */
+ /* VBAS : Aux */
+ /* ---------- */
+ if ((header->Class_Id & 0x01) == 1) {
+ header->Layer_nb = 0;
+ header->Layer_nb = jpt_read_VBAS_info(cio, header->Layer_nb);
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/*
+==========================================================
+ local functions
+==========================================================
+*/
+
+
+/*
+==========================================================
+ RAW encoding interface
+==========================================================
+*/
+
+opj_raw_t* raw_create(void) {
+ opj_raw_t *raw = (opj_raw_t*)opj_malloc(sizeof(opj_raw_t));
+ return raw;
+}
+
+void raw_destroy(opj_raw_t *raw) {
+ if(raw) {
+ opj_free(raw);
+ }
+}
+
+int raw_numbytes(opj_raw_t *raw) {
+ return raw->bp - raw->start;
+}
+
+void raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len) {
+ raw->start = bp;
+ raw->lenmax = len;
+ raw->len = 0;
+ raw->c = 0;
+ raw->ct = 0;
+}
+
+int raw_decode(opj_raw_t *raw) {
+ 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;
+}
+
projects / openjpeg / commitdiff