2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
17 #include "./tools_common.h"
19 #if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
20 #include "vpx/vp8cx.h"
23 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
24 #include "vpx/vp8dx.h"
27 #if defined(_WIN32) || defined(__OS2__)
32 #define _setmode setmode
33 #define _fileno fileno
34 #define _O_BINARY O_BINARY
38 #define LOG_ERROR(label) do {\
39 const char *l = label;\
43 fprintf(stderr, "%s: ", l);\
44 vfprintf(stderr, fmt, ap);\
45 fprintf(stderr, "\n");\
50 FILE *set_binary_mode(FILE *stream) {
52 #if defined(_WIN32) || defined(__OS2__)
53 _setmode(_fileno(stream), _O_BINARY);
58 void die(const char *fmt, ...) {
63 void fatal(const char *fmt, ...) {
68 void warn(const char *fmt, ...) {
72 void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
73 const char *detail = vpx_codec_error_detail(ctx);
75 printf("%s: %s\n", s, vpx_codec_error(ctx));
77 printf(" %s\n", detail);
81 int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame) {
82 FILE *f = input_ctx->file;
83 struct FileTypeDetectionBuffer *detect = &input_ctx->detect;
87 for (plane = 0; plane < 3; ++plane) {
89 const int w = (plane ? (1 + yuv_frame->d_w) / 2 : yuv_frame->d_w);
90 const int h = (plane ? (1 + yuv_frame->d_h) / 2 : yuv_frame->d_h);
93 /* Determine the correct plane based on the image format. The for-loop
94 * always counts in Y,U,V order, but this may not match the order of
99 ptr = yuv_frame->planes[
100 yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_V : VPX_PLANE_U];
103 ptr = yuv_frame->planes[
104 yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_U : VPX_PLANE_V];
107 ptr = yuv_frame->planes[plane];
110 for (r = 0; r < h; ++r) {
112 size_t buf_position = 0;
113 const size_t left = detect->buf_read - detect->position;
115 const size_t more = (left < needed) ? left : needed;
116 memcpy(ptr, detect->buf + detect->position, more);
119 detect->position += more;
122 shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
125 ptr += yuv_frame->stride[plane];
132 static const VpxInterface vpx_encoders[] = {
133 #if CONFIG_VP8_ENCODER
134 {"vp8", VP8_FOURCC, &vpx_codec_vp8_cx},
137 #if CONFIG_VP9_ENCODER
138 {"vp9", VP9_FOURCC, &vpx_codec_vp9_cx},
142 int get_vpx_encoder_count() {
143 return sizeof(vpx_encoders) / sizeof(vpx_encoders[0]);
146 const VpxInterface *get_vpx_encoder_by_index(int i) {
147 return &vpx_encoders[i];
150 const VpxInterface *get_vpx_encoder_by_name(const char *name) {
153 for (i = 0; i < get_vpx_encoder_count(); ++i) {
154 const VpxInterface *encoder = get_vpx_encoder_by_index(i);
155 if (strcmp(encoder->name, name) == 0)
162 static const VpxInterface vpx_decoders[] = {
163 #if CONFIG_VP8_DECODER
164 {"vp8", VP8_FOURCC, &vpx_codec_vp8_dx},
167 #if CONFIG_VP9_DECODER
168 {"vp9", VP9_FOURCC, &vpx_codec_vp9_dx},
172 int get_vpx_decoder_count() {
173 return sizeof(vpx_decoders) / sizeof(vpx_decoders[0]);
176 const VpxInterface *get_vpx_decoder_by_index(int i) {
177 return &vpx_decoders[i];
180 const VpxInterface *get_vpx_decoder_by_name(const char *name) {
183 for (i = 0; i < get_vpx_decoder_count(); ++i) {
184 const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
185 if (strcmp(decoder->name, name) == 0)
192 const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc) {
195 for (i = 0; i < get_vpx_decoder_count(); ++i) {
196 const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
197 if (decoder->fourcc == fourcc)
204 // TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
205 // of vpx_image_t support
206 int vpx_img_plane_width(const vpx_image_t *img, int plane) {
207 if (plane > 0 && img->x_chroma_shift > 0)
208 return (img->d_w + 1) >> img->x_chroma_shift;
213 int vpx_img_plane_height(const vpx_image_t *img, int plane) {
214 if (plane > 0 && img->y_chroma_shift > 0)
215 return (img->d_h + 1) >> img->y_chroma_shift;
220 void vpx_img_write(const vpx_image_t *img, FILE *file) {
223 for (plane = 0; plane < 3; ++plane) {
224 const unsigned char *buf = img->planes[plane];
225 const int stride = img->stride[plane];
226 const int w = vpx_img_plane_width(img, plane);
227 const int h = vpx_img_plane_height(img, plane);
230 for (y = 0; y < h; ++y) {
231 fwrite(buf, 1, w, file);
237 int vpx_img_read(vpx_image_t *img, FILE *file) {
240 for (plane = 0; plane < 3; ++plane) {
241 unsigned char *buf = img->planes[plane];
242 const int stride = img->stride[plane];
243 const int w = vpx_img_plane_width(img, plane);
244 const int h = vpx_img_plane_height(img, plane);
247 for (y = 0; y < h; ++y) {
248 if (fread(buf, 1, w, file) != w)
257 // TODO(dkovalev) change sse_to_psnr signature: double -> int64_t
258 double sse_to_psnr(double samples, double peak, double sse) {
259 static const double kMaxPSNR = 100.0;
262 const double psnr = 10.0 * log10(samples * peak * peak / sse);
263 return psnr > kMaxPSNR ? kMaxPSNR : psnr;