* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
-#include "tools_common.h"
+#include <math.h>
#include <stdarg.h>
+#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
+
+#include "./tools_common.h"
+
+#if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
+#include "vpx/vp8cx.h"
+#endif
+
+#if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
+#include "vpx/vp8dx.h"
+#endif
#if defined(_WIN32) || defined(__OS2__)
#include <io.h>
void warn(const char *fmt, ...) {
LOG_ERROR("Warning");
}
+
+void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
+ const char *detail = vpx_codec_error_detail(ctx);
+
+ printf("%s: %s\n", s, vpx_codec_error(ctx));
+ if (detail)
+ printf(" %s\n", detail);
+ exit(EXIT_FAILURE);
+}
+
+int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame) {
+ FILE *f = input_ctx->file;
+ struct FileTypeDetectionBuffer *detect = &input_ctx->detect;
+ int plane = 0;
+ int shortread = 0;
+
+ for (plane = 0; plane < 3; ++plane) {
+ uint8_t *ptr;
+ const int w = (plane ? (1 + yuv_frame->d_w) / 2 : yuv_frame->d_w);
+ const int h = (plane ? (1 + yuv_frame->d_h) / 2 : yuv_frame->d_h);
+ int r;
+
+ /* Determine the correct plane based on the image format. The for-loop
+ * always counts in Y,U,V order, but this may not match the order of
+ * the data on disk.
+ */
+ switch (plane) {
+ case 1:
+ ptr = yuv_frame->planes[
+ yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_V : VPX_PLANE_U];
+ break;
+ case 2:
+ ptr = yuv_frame->planes[
+ yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_U : VPX_PLANE_V];
+ break;
+ default:
+ ptr = yuv_frame->planes[plane];
+ }
+
+ for (r = 0; r < h; ++r) {
+ size_t needed = w;
+ size_t buf_position = 0;
+ const size_t left = detect->buf_read - detect->position;
+ if (left > 0) {
+ const size_t more = (left < needed) ? left : needed;
+ memcpy(ptr, detect->buf + detect->position, more);
+ buf_position = more;
+ needed -= more;
+ detect->position += more;
+ }
+ if (needed > 0) {
+ shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
+ }
+
+ ptr += yuv_frame->stride[plane];
+ }
+ }
+
+ return shortread;
+}
+
+static const VpxInterface vpx_encoders[] = {
+#if CONFIG_VP8_ENCODER
+ {"vp8", VP8_FOURCC, &vpx_codec_vp8_cx},
+#endif
+
+#if CONFIG_VP9_ENCODER
+ {"vp9", VP9_FOURCC, &vpx_codec_vp9_cx},
+#endif
+};
+
+int get_vpx_encoder_count() {
+ return sizeof(vpx_encoders) / sizeof(vpx_encoders[0]);
+}
+
+const VpxInterface *get_vpx_encoder_by_index(int i) {
+ return &vpx_encoders[i];
+}
+
+const VpxInterface *get_vpx_encoder_by_name(const char *name) {
+ int i;
+
+ for (i = 0; i < get_vpx_encoder_count(); ++i) {
+ const VpxInterface *encoder = get_vpx_encoder_by_index(i);
+ if (strcmp(encoder->name, name) == 0)
+ return encoder;
+ }
+
+ return NULL;
+}
+
+static const VpxInterface vpx_decoders[] = {
+#if CONFIG_VP8_DECODER
+ {"vp8", VP8_FOURCC, &vpx_codec_vp8_dx},
+#endif
+
+#if CONFIG_VP9_DECODER
+ {"vp9", VP9_FOURCC, &vpx_codec_vp9_dx},
+#endif
+};
+
+int get_vpx_decoder_count() {
+ return sizeof(vpx_decoders) / sizeof(vpx_decoders[0]);
+}
+
+const VpxInterface *get_vpx_decoder_by_index(int i) {
+ return &vpx_decoders[i];
+}
+
+const VpxInterface *get_vpx_decoder_by_name(const char *name) {
+ int i;
+
+ for (i = 0; i < get_vpx_decoder_count(); ++i) {
+ const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
+ if (strcmp(decoder->name, name) == 0)
+ return decoder;
+ }
+
+ return NULL;
+}
+
+const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc) {
+ int i;
+
+ for (i = 0; i < get_vpx_decoder_count(); ++i) {
+ const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
+ if (decoder->fourcc == fourcc)
+ return decoder;
+ }
+
+ return NULL;
+}
+
+// TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
+// of vpx_image_t support
+int vpx_img_plane_width(const vpx_image_t *img, int plane) {
+ if (plane > 0 && img->x_chroma_shift > 0)
+ return (img->d_w + 1) >> img->x_chroma_shift;
+ else
+ return img->d_w;
+}
+
+int vpx_img_plane_height(const vpx_image_t *img, int plane) {
+ if (plane > 0 && img->y_chroma_shift > 0)
+ return (img->d_h + 1) >> img->y_chroma_shift;
+ else
+ return img->d_h;
+}
+
+void vpx_img_write(const vpx_image_t *img, FILE *file) {
+ int plane;
+
+ for (plane = 0; plane < 3; ++plane) {
+ const unsigned char *buf = img->planes[plane];
+ const int stride = img->stride[plane];
+ const int w = vpx_img_plane_width(img, plane);
+ const int h = vpx_img_plane_height(img, plane);
+ int y;
+
+ for (y = 0; y < h; ++y) {
+ fwrite(buf, 1, w, file);
+ buf += stride;
+ }
+ }
+}
+
+int vpx_img_read(vpx_image_t *img, FILE *file) {
+ int plane;
+
+ for (plane = 0; plane < 3; ++plane) {
+ unsigned char *buf = img->planes[plane];
+ const int stride = img->stride[plane];
+ const int w = vpx_img_plane_width(img, plane);
+ const int h = vpx_img_plane_height(img, plane);
+ int y;
+
+ for (y = 0; y < h; ++y) {
+ if (fread(buf, 1, w, file) != w)
+ return 0;
+ buf += stride;
+ }
+ }
+
+ return 1;
+}
+
+// TODO(dkovalev) change sse_to_psnr signature: double -> int64_t
+double sse_to_psnr(double samples, double peak, double sse) {
+ static const double kMaxPSNR = 100.0;
+
+ if (sse > 0.0) {
+ const double psnr = 10.0 * log10(samples * peak * peak / sse);
+ return psnr > kMaxPSNR ? kMaxPSNR : psnr;
+ } else {
+ return kMaxPSNR;
+ }
+}
projects / libvpx / blobdiff