AOMedia Codec SDK: aomdec

AOMedia Codec SDK

aomdec
1 /*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include <assert.h>
13 #include <stdio.h>
14 #include <stdlib.h>
15 #include <stdarg.h>
16 #include <string.h>
17 #include <limits.h>
18
19 #include "config/aom_config.h"
20
21 #if CONFIG_OS_SUPPORT
22 #if HAVE_UNISTD_H
23 #include <unistd.h> // NOLINT
24 #elif !defined(STDOUT_FILENO)
25 #define STDOUT_FILENO 1
26 #endif
27 #endif
28
29 #include "aom/aom_decoder.h"
30 #include "aom/aomdx.h"
31 #include "aom_ports/aom_timer.h"
32 #include "aom_ports/mem_ops.h"
33 #include "common/args.h"
34 #include "common/ivfdec.h"
35 #include "common/md5_utils.h"
36 #include "common/obudec.h"
37 #include "common/tools_common.h"
38
39 #if CONFIG_WEBM_IO
40 #include "common/webmdec.h"
41 #endif
42
43 #include "common/y4menc.h"
44
45 #if CONFIG_LIBYUV
46 #include "third_party/libyuv/include/libyuv/scale.h"
47 #endif
48
49 static const char *exec_name;
50
51 struct AvxDecInputContext {
52 struct AvxInputContext *aom_input_ctx;
53 struct ObuDecInputContext *obu_ctx;
54 struct WebmInputContext *webm_ctx;
55 };
56
57 static const arg_def_t help =
58 ARG_DEF(NULL, "help", 0, "Show usage options and exit");
59 static const arg_def_t looparg =
60 ARG_DEF(NULL, "loops", 1, "Number of times to decode the file");
61 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1, "Codec to use");
62 static const arg_def_t use_yv12 =
63 ARG_DEF(NULL, "yv12", 0, "Output raw YV12 frames");
64 static const arg_def_t use_i420 =
65 ARG_DEF(NULL, "i420", 0, "Output raw I420 frames");
66 static const arg_def_t flipuvarg =
67 ARG_DEF(NULL, "flipuv", 0, "Flip the chroma planes in the output");
68 static const arg_def_t rawvideo =
69 ARG_DEF(NULL, "rawvideo", 0, "Output raw YUV frames");
70 static const arg_def_t noblitarg =
71 ARG_DEF(NULL, "noblit", 0, "Don't process the decoded frames");
72 static const arg_def_t progressarg =
73 ARG_DEF(NULL, "progress", 0, "Show progress after each frame decodes");
74 static const arg_def_t limitarg =
75 ARG_DEF(NULL, "limit", 1, "Stop decoding after n frames");
76 static const arg_def_t skiparg =
77 ARG_DEF(NULL, "skip", 1, "Skip the first n input frames");
78 static const arg_def_t postprocarg =
79 ARG_DEF(NULL, "postproc", 0, "Postprocess decoded frames");
80 static const arg_def_t summaryarg =
81 ARG_DEF(NULL, "summary", 0, "Show timing summary");
82 static const arg_def_t outputfile =
83 ARG_DEF("o", "output", 1, "Output file name pattern (see below)");
84 static const arg_def_t threadsarg =
85 ARG_DEF("t", "threads", 1, "Max threads to use");
86 static const arg_def_t verbosearg =
87 ARG_DEF("v", "verbose", 0, "Show version string");
88 static const arg_def_t scalearg =
89 ARG_DEF("S", "scale", 0, "Scale output frames uniformly");
90 static const arg_def_t continuearg =
91 ARG_DEF("k", "keep-going", 0, "(debug) Continue decoding after error");
92 static const arg_def_t fb_arg =
93 ARG_DEF(NULL, "frame-buffers", 1, "Number of frame buffers to use");
94 static const arg_def_t md5arg =
95 ARG_DEF(NULL, "md5", 0, "Compute the MD5 sum of the decoded frame");
96 static const arg_def_t framestatsarg =
97 ARG_DEF(NULL, "framestats", 1, "Output per-frame stats (.csv format)");
98 static const arg_def_t outbitdeptharg =
99 ARG_DEF(NULL, "output-bit-depth", 1, "Output bit-depth for decoded frames");
100 static const arg_def_t tilem = ARG_DEF(NULL, "tile-mode", 1,
101 "Tile coding mode "
102 "(0 for normal tile coding mode)");
103 static const arg_def_t tiler = ARG_DEF(NULL, "tile-row", 1,
104 "Row index of tile to decode "
105 "(-1 for all rows)");
106 static const arg_def_t tilec = ARG_DEF(NULL, "tile-column", 1,
107 "Column index of tile to decode "
108 "(-1 for all columns)");
109 static const arg_def_t isannexb =
110 ARG_DEF(NULL, "annexb", 0, "Bitstream is in Annex-B format");
111 static const arg_def_t oppointarg = ARG_DEF(
112 NULL, "oppoint", 1, "Select an operating point of a scalable bitstream");
113 static const arg_def_t outallarg = ARG_DEF(
114 NULL, "all-layers", 0, "Output all decoded frames of a scalable bitstream");
115
116 static const arg_def_t *all_args[] = {
117 &help, &codecarg, &use_yv12, &use_i420, &flipuvarg,
118 &rawvideo, &noblitarg, &progressarg, &limitarg, &skiparg,
119 &postprocarg, &summaryarg, &outputfile, &threadsarg, &verbosearg,
120 &scalearg, &fb_arg, &md5arg, &framestatsarg, &continuearg,
121 &outbitdeptharg, &tilem, &tiler, &tilec, &isannexb,
122 &oppointarg, &outallarg, NULL
123 };
124
125 #if CONFIG_LIBYUV
126 static INLINE int libyuv_scale(aom_image_t *src, aom_image_t *dst,
127 FilterModeEnum mode) {
128 if (src->fmt == AOM_IMG_FMT_I42016) {
129 assert(dst->fmt == AOM_IMG_FMT_I42016);
130 return I420Scale_16(
131 (uint16_t *)src->planes[AOM_PLANE_Y], src->stride[AOM_PLANE_Y] / 2,
132 (uint16_t *)src->planes[AOM_PLANE_U], src->stride[AOM_PLANE_U] / 2,
133 (uint16_t *)src->planes[AOM_PLANE_V], src->stride[AOM_PLANE_V] / 2,
134 src->d_w, src->d_h, (uint16_t *)dst->planes[AOM_PLANE_Y],
135 dst->stride[AOM_PLANE_Y] / 2, (uint16_t *)dst->planes[AOM_PLANE_U],
136 dst->stride[AOM_PLANE_U] / 2, (uint16_t *)dst->planes[AOM_PLANE_V],
137 dst->stride[AOM_PLANE_V] / 2, dst->d_w, dst->d_h, mode);
138 }
139 assert(src->fmt == AOM_IMG_FMT_I420);
140 assert(dst->fmt == AOM_IMG_FMT_I420);
141 return I420Scale(src->planes[AOM_PLANE_Y], src->stride[AOM_PLANE_Y],
142 src->planes[AOM_PLANE_U], src->stride[AOM_PLANE_U],
143 src->planes[AOM_PLANE_V], src->stride[AOM_PLANE_V], src->d_w,
144 src->d_h, dst->planes[AOM_PLANE_Y], dst->stride[AOM_PLANE_Y],
145 dst->planes[AOM_PLANE_U], dst->stride[AOM_PLANE_U],
146 dst->planes[AOM_PLANE_V], dst->stride[AOM_PLANE_V], dst->d_w,
147 dst->d_h, mode);
148 }
149 #endif
150
151 void show_help(FILE *fout, int shorthelp) {
152 fprintf(fout, "Usage: %s <options> filename\n\n", exec_name);
153
154 if (shorthelp) {
155 fprintf(fout, "Use --help to see the full list of options.\n");
156 return;
157 }
158
159 fprintf(fout, "Options:\n");
160 arg_show_usage(fout, all_args);
161 fprintf(fout,
162 "\nOutput File Patterns:\n\n"
163 " The -o argument specifies the name of the file(s) to "
164 "write to. If the\n argument does not include any escape "
165 "characters, the output will be\n written to a single file. "
166 "Otherwise, the filename will be calculated by\n expanding "
167 "the following escape characters:\n");
168 fprintf(fout,
169 "\n\t%%w - Frame width"
170 "\n\t%%h - Frame height"
171 "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
172 "\n\n Pattern arguments are only supported in conjunction "
173 "with the --yv12 and\n --i420 options. If the -o option is "
174 "not specified, the output will be\n directed to stdout.\n");
175 fprintf(fout, "\nIncluded decoders:\n\n");
176
177 for (int i = 0; i < get_aom_decoder_count(); ++i) {
178 const AvxInterface *const decoder = get_aom_decoder_by_index(i);
179 fprintf(fout, " %-6s - %s\n", decoder->name,
180 aom_codec_iface_name(decoder->codec_interface()));
181 }
182 }
183
184 void usage_exit(void) {
185 show_help(stderr, 1);
186 exit(EXIT_FAILURE);
187 }
188
189 static int raw_read_frame(FILE *infile, uint8_t **buffer, size_t *bytes_read,
190 size_t *buffer_size) {
191 char raw_hdr[RAW_FRAME_HDR_SZ];
192 size_t frame_size = 0;
193
194 if (fread(raw_hdr, RAW_FRAME_HDR_SZ, 1, infile) != 1) {
195 if (!feof(infile)) warn("Failed to read RAW frame size\n");
196 } else {
197 const size_t kCorruptFrameThreshold = 256 * 1024 * 1024;
198 const size_t kFrameTooSmallThreshold = 256 * 1024;
199 frame_size = mem_get_le32(raw_hdr);
200
201 if (frame_size > kCorruptFrameThreshold) {
202 warn("Read invalid frame size (%u)\n", (unsigned int)frame_size);
203 frame_size = 0;
204 }
205
206 if (frame_size < kFrameTooSmallThreshold) {
207 warn("Warning: Read invalid frame size (%u) - not a raw file?\n",
208 (unsigned int)frame_size);
209 }
210
211 if (frame_size > *buffer_size) {
212 uint8_t *new_buf = realloc(*buffer, 2 * frame_size);
213 if (new_buf) {
214 *buffer = new_buf;
215 *buffer_size = 2 * frame_size;
216 } else {
217 warn("Failed to allocate compressed data buffer\n");
218 frame_size = 0;
219 }
220 }
221 }
222
223 if (!feof(infile)) {
224 if (fread(*buffer, 1, frame_size, infile) != frame_size) {
225 warn("Failed to read full frame\n");
226 return 1;
227 }
228 *bytes_read = frame_size;
229 }
230
231 return 0;
232 }
233
234 static int read_frame(struct AvxDecInputContext *input, uint8_t **buf,
235 size_t *bytes_in_buffer, size_t *buffer_size) {
236 switch (input->aom_input_ctx->file_type) {
237 #if CONFIG_WEBM_IO
238 case FILE_TYPE_WEBM:
239 return webm_read_frame(input->webm_ctx, buf, bytes_in_buffer,
240 buffer_size);
241 #endif
242 case FILE_TYPE_RAW:
243 return raw_read_frame(input->aom_input_ctx->file, buf, bytes_in_buffer,
244 buffer_size);
245 case FILE_TYPE_IVF:
246 return ivf_read_frame(input->aom_input_ctx->file, buf, bytes_in_buffer,
247 buffer_size, NULL);
248 case FILE_TYPE_OBU:
249 return obudec_read_temporal_unit(input->obu_ctx, buf, bytes_in_buffer,
250 buffer_size);
251 default: return 1;
252 }
253 }
254
255 static void update_image_md5(const aom_image_t *img, const int planes[3],
256 MD5Context *md5) {
257 int i, y;
258
259 for (i = 0; i < 3; ++i) {
260 const int plane = planes[i];
261 const unsigned char *buf = img->planes[plane];
262 const int stride = img->stride[plane];
263 const int w = aom_img_plane_width(img, plane) *
264 ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
265 const int h = aom_img_plane_height(img, plane);
266
267 for (y = 0; y < h; ++y) {
268 MD5Update(md5, buf, w);
269 buf += stride;
270 }
271 }
272 }
273
274 static void write_image_file(const aom_image_t *img, const int *planes,
275 const int num_planes, FILE *file) {
276 int i, y;
277 const int bytes_per_sample = ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
278
279 for (i = 0; i < num_planes; ++i) {
280 const int plane = planes[i];
281 const unsigned char *buf = img->planes[plane];
282 const int stride = img->stride[plane];
283 const int w = aom_img_plane_width(img, plane);
284 const int h = aom_img_plane_height(img, plane);
285
286 for (y = 0; y < h; ++y) {
287 fwrite(buf, bytes_per_sample, w, file);
288 buf += stride;
289 }
290 }
291 }
292
293 static int file_is_raw(struct AvxInputContext *input) {
294 uint8_t buf[32];
295 int is_raw = 0;
296 aom_codec_stream_info_t si;
297 memset(&si, 0, sizeof(si));
298
299 if (fread(buf, 1, 32, input->file) == 32) {
300 int i;
301
302 if (mem_get_le32(buf) < 256 * 1024 * 1024) {
303 for (i = 0; i < get_aom_decoder_count(); ++i) {
304 const AvxInterface *const decoder = get_aom_decoder_by_index(i);
305 if (!aom_codec_peek_stream_info(decoder->codec_interface(), buf + 4,
306 32 - 4, &si)) {
307 is_raw = 1;
308 input->fourcc = decoder->fourcc;
309 input->width = si.w;
310 input->height = si.h;
311 input->framerate.numerator = 30;
312 input->framerate.denominator = 1;
313 break;
314 }
315 }
316 }
317 }
318
319 rewind(input->file);
320 return is_raw;
321 }
322
323 static void show_progress(int frame_in, int frame_out, uint64_t dx_time) {
324 fprintf(stderr,
325 "%d decoded frames/%d showed frames in %" PRId64 " us (%.2f fps)\r",
326 frame_in, frame_out, dx_time,
327 (double)frame_out * 1000000.0 / (double)dx_time);
328 }
329
330 struct ExternalFrameBuffer {
331 uint8_t *data;
332 size_t size;
333 int in_use;
334 };
335
336 struct ExternalFrameBufferList {
337 int num_external_frame_buffers;
338 struct ExternalFrameBuffer *ext_fb;
339 };
340
341 // Callback used by libaom to request an external frame buffer. |cb_priv|
342 // Application private data passed into the set function. |min_size| is the
343 // minimum size in bytes needed to decode the next frame. |fb| pointer to the
344 // frame buffer.
345 static int get_av1_frame_buffer(void *cb_priv, size_t min_size,
346 aom_codec_frame_buffer_t *fb) {
347 int i;
348 struct ExternalFrameBufferList *const ext_fb_list =
349 (struct ExternalFrameBufferList *)cb_priv;
350 if (ext_fb_list == NULL) return -1;
351
352 // Find a free frame buffer.
353 for (i = 0; i < ext_fb_list->num_external_frame_buffers; ++i) {
354 if (!ext_fb_list->ext_fb[i].in_use) break;
355 }
356
357 if (i == ext_fb_list->num_external_frame_buffers) return -1;
358
359 if (ext_fb_list->ext_fb[i].size < min_size) {
360 free(ext_fb_list->ext_fb[i].data);
361 ext_fb_list->ext_fb[i].data = (uint8_t *)calloc(min_size, sizeof(uint8_t));
362 if (!ext_fb_list->ext_fb[i].data) return -1;
363
364 ext_fb_list->ext_fb[i].size = min_size;
365 }
366
367 fb->data = ext_fb_list->ext_fb[i].data;
368 fb->size = ext_fb_list->ext_fb[i].size;
369 ext_fb_list->ext_fb[i].in_use = 1;
370
371 // Set the frame buffer's private data to point at the external frame buffer.
372 fb->priv = &ext_fb_list->ext_fb[i];
373 return 0;
374 }
375
376 // Callback used by libaom when there are no references to the frame buffer.
377 // |cb_priv| user private data passed into the set function. |fb| pointer
378 // to the frame buffer.
379 static int release_av1_frame_buffer(void *cb_priv,
380 aom_codec_frame_buffer_t *fb) {
381 struct ExternalFrameBuffer *const ext_fb =
382 (struct ExternalFrameBuffer *)fb->priv;
383 (void)cb_priv;
384 ext_fb->in_use = 0;
385 return 0;
386 }
387
388 static void generate_filename(const char *pattern, char *out, size_t q_len,
389 unsigned int d_w, unsigned int d_h,
390 unsigned int frame_in) {
391 const char *p = pattern;
392 char *q = out;
393
394 do {
395 char *next_pat = strchr(p, '%');
396
397 if (p == next_pat) {
398 size_t pat_len;
399
400 /* parse the pattern */
401 q[q_len - 1] = '\0';
402 switch (p[1]) {
403 case 'w': snprintf(q, q_len - 1, "%d", d_w); break;
404 case 'h': snprintf(q, q_len - 1, "%d", d_h); break;
405 case '1': snprintf(q, q_len - 1, "%d", frame_in); break;
406 case '2': snprintf(q, q_len - 1, "%02d", frame_in); break;
407 case '3': snprintf(q, q_len - 1, "%03d", frame_in); break;
408 case '4': snprintf(q, q_len - 1, "%04d", frame_in); break;
409 case '5': snprintf(q, q_len - 1, "%05d", frame_in); break;
410 case '6': snprintf(q, q_len - 1, "%06d", frame_in); break;
411 case '7': snprintf(q, q_len - 1, "%07d", frame_in); break;
412 case '8': snprintf(q, q_len - 1, "%08d", frame_in); break;
413 case '9': snprintf(q, q_len - 1, "%09d", frame_in); break;
414 default: die("Unrecognized pattern %%%c\n", p[1]); break;
415 }
416
417 pat_len = strlen(q);
418 if (pat_len >= q_len - 1) die("Output filename too long.\n");
419 q += pat_len;
420 p += 2;
421 q_len -= pat_len;
422 } else {
423 size_t copy_len;
424
425 /* copy the next segment */
426 if (!next_pat)
427 copy_len = strlen(p);
428 else
429 copy_len = next_pat - p;
430
431 if (copy_len >= q_len - 1) die("Output filename too long.\n");
432
433 memcpy(q, p, copy_len);
434 q[copy_len] = '\0';
435 q += copy_len;
436 p += copy_len;
437 q_len -= copy_len;
438 }
439 } while (*p);
440 }
441
442 static int is_single_file(const char *outfile_pattern) {
443 const char *p = outfile_pattern;
444
445 do {
446 p = strchr(p, '%');
447 if (p && p[1] >= '1' && p[1] <= '9')
448 return 0; // pattern contains sequence number, so it's not unique
449 if (p) p++;
450 } while (p);
451
452 return 1;
453 }
454
455 static void print_md5(unsigned char digest[16], const char *filename) {
456 int i;
457
458 for (i = 0; i < 16; ++i) printf("%02x", digest[i]);
459 printf(" %s\n", filename);
460 }
461
462 static FILE *open_outfile(const char *name) {
463 if (strcmp("-", name) == 0) {
464 set_binary_mode(stdout);
465 return stdout;
466 } else {
467 FILE *file = fopen(name, "wb");
468 if (!file) fatal("Failed to open output file '%s'", name);
469 return file;
470 }
471 }
472
473 static int img_shifted_realloc_required(const aom_image_t *img,
474 const aom_image_t *shifted,
475 aom_img_fmt_t required_fmt) {
476 return img->d_w != shifted->d_w || img->d_h != shifted->d_h ||
477 required_fmt != shifted->fmt;
478 }
479
480 static int main_loop(int argc, const char **argv_) {
481 aom_codec_ctx_t decoder;
482 char *fn = NULL;
483 int i;
484 int ret = EXIT_FAILURE;
485 uint8_t *buf = NULL;
486 size_t bytes_in_buffer = 0, buffer_size = 0;
487 FILE *infile;
488 int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
489 int do_md5 = 0, progress = 0;
490 int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
491 int arg_skip = 0;
492 int keep_going = 0;
493 const AvxInterface *interface = NULL;
494 const AvxInterface *fourcc_interface = NULL;
495 uint64_t dx_time = 0;
496 struct arg arg;
497 char **argv, **argi, **argj;
498
499 int single_file;
500 int use_y4m = 1;
501 int opt_yv12 = 0;
502 int opt_i420 = 0;
503 int opt_raw = 0;
504 aom_codec_dec_cfg_t cfg = { 0, 0, 0, CONFIG_LOWBITDEPTH, { 1 } };
505 unsigned int output_bit_depth = 0;
506 unsigned int tile_mode = 0;
507 unsigned int is_annexb = 0;
508 int tile_row = -1;
509 int tile_col = -1;
510 int frames_corrupted = 0;
511 int dec_flags = 0;
512 int do_scale = 0;
513 int operating_point = 0;
514 int output_all_layers = 0;
515 aom_image_t *scaled_img = NULL;
516 aom_image_t *img_shifted = NULL;
517 int frame_avail, got_data, flush_decoder = 0;
518 int num_external_frame_buffers = 0;
519 struct ExternalFrameBufferList ext_fb_list = { 0, NULL };
520
521 const char *outfile_pattern = NULL;
522 char outfile_name[PATH_MAX] = { 0 };
523 FILE *outfile = NULL;
524
525 FILE *framestats_file = NULL;
526
527 MD5Context md5_ctx;
528 unsigned char md5_digest[16];
529
530 struct AvxDecInputContext input = { NULL, NULL, NULL };
531 struct AvxInputContext aom_input_ctx;
532 memset(&aom_input_ctx, 0, sizeof(aom_input_ctx));
533 #if CONFIG_WEBM_IO
534 struct WebmInputContext webm_ctx;
535 memset(&webm_ctx, 0, sizeof(webm_ctx));
536 input.webm_ctx = &webm_ctx;
537 #endif
538 struct ObuDecInputContext obu_ctx = { NULL, NULL, 0, 0, 0 };
539
540 obu_ctx.avx_ctx = &aom_input_ctx;
541 input.obu_ctx = &obu_ctx;
542 input.aom_input_ctx = &aom_input_ctx;
543
544 /* Parse command line */
545 exec_name = argv_[0];
546 argv = argv_dup(argc - 1, argv_ + 1);
547
548 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
549 memset(&arg, 0, sizeof(arg));
550 arg.argv_step = 1;
551
552 if (arg_match(&arg, &help, argi)) {
553 show_help(stdout, 0);
554 exit(EXIT_SUCCESS);
555 } else if (arg_match(&arg, &codecarg, argi)) {
556 interface = get_aom_decoder_by_name(arg.val);
557 if (!interface)
558 die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
559 } else if (arg_match(&arg, &looparg, argi)) {
560 // no-op
561 } else if (arg_match(&arg, &outputfile, argi)) {
562 outfile_pattern = arg.val;
563 } else if (arg_match(&arg, &use_yv12, argi)) {
564 use_y4m = 0;
565 flipuv = 1;
566 opt_yv12 = 1;
567 opt_i420 = 0;
568 opt_raw = 0;
569 } else if (arg_match(&arg, &use_i420, argi)) {
570 use_y4m = 0;
571 flipuv = 0;
572 opt_yv12 = 0;
573 opt_i420 = 1;
574 opt_raw = 0;
575 } else if (arg_match(&arg, &rawvideo, argi)) {
576 use_y4m = 0;
577 opt_yv12 = 0;
578 opt_i420 = 0;
579 opt_raw = 1;
580 } else if (arg_match(&arg, &flipuvarg, argi)) {
581 flipuv = 1;
582 } else if (arg_match(&arg, &noblitarg, argi)) {
583 noblit = 1;
584 } else if (arg_match(&arg, &progressarg, argi)) {
585 progress = 1;
586 } else if (arg_match(&arg, &limitarg, argi)) {
587 stop_after = arg_parse_uint(&arg);
588 } else if (arg_match(&arg, &skiparg, argi)) {
589 arg_skip = arg_parse_uint(&arg);
590 } else if (arg_match(&arg, &postprocarg, argi)) {
591 postproc = 1;
592 } else if (arg_match(&arg, &md5arg, argi)) {
593 do_md5 = 1;
594 } else if (arg_match(&arg, &framestatsarg, argi)) {
595 framestats_file = fopen(arg.val, "w");
596 if (!framestats_file) {
597 die("Error: Could not open --framestats file (%s) for writing.\n",
598 arg.val);
599 }
600 } else if (arg_match(&arg, &summaryarg, argi)) {
601 summary = 1;
602 } else if (arg_match(&arg, &threadsarg, argi)) {
603 cfg.threads = arg_parse_uint(&arg);
604 } else if (arg_match(&arg, &verbosearg, argi)) {
605 quiet = 0;
606 } else if (arg_match(&arg, &scalearg, argi)) {
607 do_scale = 1;
608 } else if (arg_match(&arg, &fb_arg, argi)) {
609 num_external_frame_buffers = arg_parse_uint(&arg);
610 } else if (arg_match(&arg, &continuearg, argi)) {
611 keep_going = 1;
612 } else if (arg_match(&arg, &outbitdeptharg, argi)) {
613 output_bit_depth = arg_parse_uint(&arg);
614 } else if (arg_match(&arg, &tilem, argi)) {
615 tile_mode = arg_parse_int(&arg);
616 } else if (arg_match(&arg, &isannexb, argi)) {
617 is_annexb = 1;
618 input.obu_ctx->is_annexb = 1;
619 } else if (arg_match(&arg, &tiler, argi)) {
620 tile_row = arg_parse_int(&arg);
621 } else if (arg_match(&arg, &tilec, argi)) {
622 tile_col = arg_parse_int(&arg);
623 } else if (arg_match(&arg, &oppointarg, argi)) {
624 operating_point = arg_parse_int(&arg);
625 } else if (arg_match(&arg, &outallarg, argi)) {
626 output_all_layers = 1;
627 } else {
628 argj++;
629 }
630 }
631
632 /* Check for unrecognized options */
633 for (argi = argv; *argi; argi++)
634 if (argi[0][0] == '-' && strlen(argi[0]) > 1)
635 die("Error: Unrecognized option %s\n", *argi);
636
637 /* Handle non-option arguments */
638 fn = argv[0];
639
640 if (!fn) {
641 free(argv);
642 fprintf(stderr, "No input file specified!\n");
643 usage_exit();
644 }
645 /* Open file */
646 infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
647
648 if (!infile) {
649 fatal("Failed to open input file '%s'", strcmp(fn, "-") ? fn : "stdin");
650 }
651 #if CONFIG_OS_SUPPORT
652 /* Make sure we don't dump to the terminal, unless forced to with -o - */
653 if (!outfile_pattern && isatty(STDOUT_FILENO) && !do_md5 && !noblit) {
654 fprintf(stderr,
655 "Not dumping raw video to your terminal. Use '-o -' to "
656 "override.\n");
657 return EXIT_FAILURE;
658 }
659 #endif
660 input.aom_input_ctx->filename = fn;
661 input.aom_input_ctx->file = infile;
662 if (file_is_ivf(input.aom_input_ctx))
663 input.aom_input_ctx->file_type = FILE_TYPE_IVF;
664 #if CONFIG_WEBM_IO
665 else if (file_is_webm(input.webm_ctx, input.aom_input_ctx))
666 input.aom_input_ctx->file_type = FILE_TYPE_WEBM;
667 #endif
668 else if (file_is_obu(&obu_ctx))
669 input.aom_input_ctx->file_type = FILE_TYPE_OBU;
670 else if (file_is_raw(input.aom_input_ctx))
671 input.aom_input_ctx->file_type = FILE_TYPE_RAW;
672 else {
673 fprintf(stderr, "Unrecognized input file type.\n");
674 #if !CONFIG_WEBM_IO
675 fprintf(stderr, "aomdec was built without WebM container support.\n");
676 #endif
677 return EXIT_FAILURE;
678 }
679
680 outfile_pattern = outfile_pattern ? outfile_pattern : "-";
681 single_file = is_single_file(outfile_pattern);
682
683 if (!noblit && single_file) {
684 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
685 aom_input_ctx.width, aom_input_ctx.height, 0);
686 if (do_md5)
687 MD5Init(&md5_ctx);
688 else
689 outfile = open_outfile(outfile_name);
690 }
691
692 if (use_y4m && !noblit) {
693 if (!single_file) {
694 fprintf(stderr,
695 "YUV4MPEG2 not supported with output patterns,"
696 " try --i420 or --yv12 or --rawvideo.\n");
697 return EXIT_FAILURE;
698 }
699
700 #if CONFIG_WEBM_IO
701 if (aom_input_ctx.file_type == FILE_TYPE_WEBM) {
702 if (webm_guess_framerate(input.webm_ctx, input.aom_input_ctx)) {
703 fprintf(stderr,
704 "Failed to guess framerate -- error parsing "
705 "webm file?\n");
706 return EXIT_FAILURE;
707 }
708 }
709 #endif
710 }
711
712 fourcc_interface = get_aom_decoder_by_fourcc(aom_input_ctx.fourcc);
713 if (interface && fourcc_interface && interface != fourcc_interface)
714 warn("Header indicates codec: %s\n", fourcc_interface->name);
715 else
716 interface = fourcc_interface;
717
718 if (!interface) interface = get_aom_decoder_by_index(0);
719
720 dec_flags = (postproc ? AOM_CODEC_USE_POSTPROC : 0);
721 if (aom_codec_dec_init(&decoder, interface->codec_interface(), &cfg,
722 dec_flags)) {
723 fprintf(stderr, "Failed to initialize decoder: %s\n",
724 aom_codec_error(&decoder));
725 goto fail2;
726 }
727
728 if (!quiet) fprintf(stderr, "%s\n", decoder.name);
729
730 #if CONFIG_AV1_DECODER
731 if (aom_codec_control(&decoder, AV1_SET_TILE_MODE, tile_mode)) {
732 fprintf(stderr, "Failed to set decode_tile_mode: %s\n",
733 aom_codec_error(&decoder));
734 goto fail;
735 }
736
737 if (aom_codec_control(&decoder, AV1D_SET_IS_ANNEXB, is_annexb)) {
738 fprintf(stderr, "Failed to set is_annexb: %s\n", aom_codec_error(&decoder));
739 goto fail;
740 }
741
742 if (aom_codec_control(&decoder, AV1_SET_DECODE_TILE_ROW, tile_row)) {
743 fprintf(stderr, "Failed to set decode_tile_row: %s\n",
744 aom_codec_error(&decoder));
745 goto fail;
746 }
747
748 if (aom_codec_control(&decoder, AV1_SET_DECODE_TILE_COL, tile_col)) {
749 fprintf(stderr, "Failed to set decode_tile_col: %s\n",
750 aom_codec_error(&decoder));
751 goto fail;
752 }
753
754 if (aom_codec_control(&decoder, AV1D_SET_OPERATING_POINT, operating_point)) {
755 fprintf(stderr, "Failed to set operating_point: %s\n",
756 aom_codec_error(&decoder));
757 goto fail;
758 }
759
760 if (aom_codec_control(&decoder, AV1D_SET_OUTPUT_ALL_LAYERS,
761 output_all_layers)) {
762 fprintf(stderr, "Failed to set output_all_layers: %s\n",
763 aom_codec_error(&decoder));
764 goto fail;
765 }
766 #endif
767
768 if (arg_skip) fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
769 while (arg_skip) {
770 if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) break;
771 arg_skip--;
772 }
773
774 if (num_external_frame_buffers > 0) {
775 ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
776 ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
777 num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
778 if (aom_codec_set_frame_buffer_functions(&decoder, get_av1_frame_buffer,
779 release_av1_frame_buffer,
780 &ext_fb_list)) {
781 fprintf(stderr, "Failed to configure external frame buffers: %s\n",
782 aom_codec_error(&decoder));
783 goto fail;
784 }
785 }
786
787 frame_avail = 1;
788 got_data = 0;
789
790 if (framestats_file) fprintf(framestats_file, "bytes,qp\r\n");
791
792 /* Decode file */
793 while (frame_avail || got_data) {
794 aom_codec_iter_t iter = NULL;
795 aom_image_t *img;
796 struct aom_usec_timer timer;
797 int corrupted = 0;
798
799 frame_avail = 0;
800 if (!stop_after || frame_in < stop_after) {
801 if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
802 frame_avail = 1;
803 frame_in++;
804
805 aom_usec_timer_start(&timer);
806
807 if (aom_codec_decode(&decoder, buf, bytes_in_buffer, NULL)) {
808 const char *detail = aom_codec_error_detail(&decoder);
809 warn("Failed to decode frame %d: %s", frame_in,
810 aom_codec_error(&decoder));
811
812 if (detail) warn("Additional information: %s", detail);
813 if (!keep_going) goto fail;
814 }
815
816 if (framestats_file) {
817 int qp;
818 if (aom_codec_control(&decoder, AOMD_GET_LAST_QUANTIZER, &qp)) {
819 warn("Failed AOMD_GET_LAST_QUANTIZER: %s",
820 aom_codec_error(&decoder));
821 if (!keep_going) goto fail;
822 }
823 fprintf(framestats_file, "%d,%d\r\n", (int)bytes_in_buffer, qp);
824 }
825
826 aom_usec_timer_mark(&timer);
827 dx_time += aom_usec_timer_elapsed(&timer);
828 } else {
829 flush_decoder = 1;
830 }
831 } else {
832 flush_decoder = 1;
833 }
834
835 aom_usec_timer_start(&timer);
836
837 if (flush_decoder) {
838 // Flush the decoder in frame parallel decode.
839 if (aom_codec_decode(&decoder, NULL, 0, NULL)) {
840 warn("Failed to flush decoder: %s", aom_codec_error(&decoder));
841 }
842 }
843
844 aom_usec_timer_mark(&timer);
845 dx_time += aom_usec_timer_elapsed(&timer);
846
847 got_data = 0;
848 while ((img = aom_codec_get_frame(&decoder, &iter))) {
849 ++frame_out;
850 got_data = 1;
851
852 if (aom_codec_control(&decoder, AOMD_GET_FRAME_CORRUPTED, &corrupted)) {
853 warn("Failed AOM_GET_FRAME_CORRUPTED: %s", aom_codec_error(&decoder));
854 if (!keep_going) goto fail;
855 }
856 frames_corrupted += corrupted;
857
858 if (progress) show_progress(frame_in, frame_out, dx_time);
859
860 if (!noblit) {
861 const int PLANES_YUV[] = { AOM_PLANE_Y, AOM_PLANE_U, AOM_PLANE_V };
862 const int PLANES_YVU[] = { AOM_PLANE_Y, AOM_PLANE_V, AOM_PLANE_U };
863 const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
864
865 if (do_scale) {
866 if (frame_out == 1) {
867 // If the output frames are to be scaled to a fixed display size
868 // then use the width and height specified in the container. If
869 // either of these is set to 0, use the display size set in the
870 // first frame header. If that is unavailable, use the raw decoded
871 // size of the first decoded frame.
872 int render_width = aom_input_ctx.width;
873 int render_height = aom_input_ctx.height;
874 if (!render_width || !render_height) {
875 int render_size[2];
876 if (aom_codec_control(&decoder, AV1D_GET_DISPLAY_SIZE,
877 render_size)) {
878 // As last resort use size of first frame as display size.
879 render_width = img->d_w;
880 render_height = img->d_h;
881 } else {
882 render_width = render_size[0];
883 render_height = render_size[1];
884 }
885 }
886 scaled_img =
887 aom_img_alloc(NULL, img->fmt, render_width, render_height, 16);
888 scaled_img->bit_depth = img->bit_depth;
889 }
890
891 if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
892 #if CONFIG_LIBYUV
893 libyuv_scale(img, scaled_img, kFilterBox);
894 img = scaled_img;
895 #else
896 fprintf(
897 stderr,
898 "Failed to scale output frame: %s.\n"
899 "libyuv is required for scaling but is currently disabled.\n"
900 "Be sure to specify -DCONFIG_LIBYUV=1 when running cmake.\n",
901 aom_codec_error(&decoder));
902 goto fail;
903 #endif
904 }
905 }
906 // Default to codec bit depth if output bit depth not set
907 if (!output_bit_depth && single_file && !do_md5) {
908 output_bit_depth = img->bit_depth;
909 }
910 // Shift up or down if necessary
911 if (output_bit_depth != 0) {
912 const aom_img_fmt_t shifted_fmt =
913 output_bit_depth == 8
914 ? img->fmt ^ (img->fmt & AOM_IMG_FMT_HIGHBITDEPTH)
915 : img->fmt | AOM_IMG_FMT_HIGHBITDEPTH;
916
917 if (shifted_fmt != img->fmt || output_bit_depth != img->bit_depth) {
918 if (img_shifted &&
919 img_shifted_realloc_required(img, img_shifted, shifted_fmt)) {
920 aom_img_free(img_shifted);
921 img_shifted = NULL;
922 }
923 if (!img_shifted) {
924 img_shifted =
925 aom_img_alloc(NULL, shifted_fmt, img->d_w, img->d_h, 16);
926 img_shifted->bit_depth = output_bit_depth;
927 img_shifted->monochrome = img->monochrome;
928 }
929 if (output_bit_depth > img->bit_depth) {
930 aom_img_upshift(img_shifted, img,
931 output_bit_depth - img->bit_depth);
932 } else {
933 aom_img_downshift(img_shifted, img,
934 img->bit_depth - output_bit_depth);
935 }
936 img = img_shifted;
937 }
938 }
939
940 aom_input_ctx.width = img->d_w;
941 aom_input_ctx.height = img->d_h;
942
943 int num_planes = (!use_y4m && opt_raw && img->monochrome) ? 1 : 3;
944
945 if (single_file) {
946 if (use_y4m) {
947 char y4m_buf[Y4M_BUFFER_SIZE] = { 0 };
948 size_t len = 0;
949 if (frame_out == 1) {
950 // Y4M file header
951 len = y4m_write_file_header(
952 y4m_buf, sizeof(y4m_buf), aom_input_ctx.width,
953 aom_input_ctx.height, &aom_input_ctx.framerate, img->fmt,
954 img->bit_depth);
955 if (do_md5) {
956 MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
957 } else {
958 fputs(y4m_buf, outfile);
959 }
960 }
961
962 // Y4M frame header
963 len = y4m_write_frame_header(y4m_buf, sizeof(y4m_buf));
964 if (do_md5) {
965 MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
966 } else {
967 fputs(y4m_buf, outfile);
968 }
969 } else {
970 if (frame_out == 1) {
971 // Check if --yv12 or --i420 options are consistent with the
972 // bit-stream decoded
973 if (opt_i420) {
974 if (img->fmt != AOM_IMG_FMT_I420 &&
975 img->fmt != AOM_IMG_FMT_I42016) {
976 fprintf(stderr,
977 "Cannot produce i420 output for bit-stream.\n");
978 goto fail;
979 }
980 }
981 if (opt_yv12) {
982 if ((img->fmt != AOM_IMG_FMT_I420 &&
983 img->fmt != AOM_IMG_FMT_YV12) ||
984 img->bit_depth != 8) {
985 fprintf(stderr,
986 "Cannot produce yv12 output for bit-stream.\n");
987 goto fail;
988 }
989 }
990 }
991 }
992
993 if (do_md5) {
994 update_image_md5(img, planes, &md5_ctx);
995 } else {
996 write_image_file(img, planes, num_planes, outfile);
997 }
998 } else {
999 generate_filename(outfile_pattern, outfile_name, PATH_MAX, img->d_w,
1000 img->d_h, frame_in);
1001 if (do_md5) {
1002 MD5Init(&md5_ctx);
1003 update_image_md5(img, planes, &md5_ctx);
1004 MD5Final(md5_digest, &md5_ctx);
1005 print_md5(md5_digest, outfile_name);
1006 } else {
1007 outfile = open_outfile(outfile_name);
1008 write_image_file(img, planes, num_planes, outfile);
1009 fclose(outfile);
1010 }
1011 }
1012 }
1013 }
1014 }
1015
1016 if (summary || progress) {
1017 show_progress(frame_in, frame_out, dx_time);
1018 fprintf(stderr, "\n");
1019 }
1020
1021 if (frames_corrupted) {
1022 fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
1023 } else {
1024 ret = EXIT_SUCCESS;
1025 }
1026
1027 fail:
1028
1029 if (aom_codec_destroy(&decoder)) {
1030 fprintf(stderr, "Failed to destroy decoder: %s\n",
1031 aom_codec_error(&decoder));
1032 }
1033
1034 fail2:
1035
1036 if (!noblit && single_file) {
1037 if (do_md5) {
1038 MD5Final(md5_digest, &md5_ctx);
1039 print_md5(md5_digest, outfile_name);
1040 } else {
1041 fclose(outfile);
1042 }
1043 }
1044
1045 #if CONFIG_WEBM_IO
1046 if (input.aom_input_ctx->file_type == FILE_TYPE_WEBM)
1047 webm_free(input.webm_ctx);
1048 #endif
1049 if (input.aom_input_ctx->file_type == FILE_TYPE_OBU)
1050 obudec_free(input.obu_ctx);
1051
1052 if (input.aom_input_ctx->file_type != FILE_TYPE_WEBM) free(buf);
1053
1054 if (scaled_img) aom_img_free(scaled_img);
1055 if (img_shifted) aom_img_free(img_shifted);
1056
1057 for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
1058 free(ext_fb_list.ext_fb[i].data);
1059 }
1060 free(ext_fb_list.ext_fb);
1061
1062 fclose(infile);
1063 if (framestats_file) fclose(framestats_file);
1064
1065 free(argv);
1066
1067 return ret;
1068 }
1069
1070 int main(int argc, const char **argv_) {
1071 unsigned int loops = 1, i;
1072 char **argv, **argi, **argj;
1073 struct arg arg;
1074 int error = 0;
1075
1076 argv = argv_dup(argc - 1, argv_ + 1);
1077 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
1078 memset(&arg, 0, sizeof(arg));
1079 arg.argv_step = 1;
1080
1081 if (arg_match(&arg, &looparg, argi)) {
1082 loops = arg_parse_uint(&arg);
1083 break;
1084 }
1085 }
1086 free(argv);
1087 for (i = 0; !error && i < loops; i++) error = main_loop(argc, argv_);
1088 return error;
1089 }
AOM_PLANE_U
#define AOM_PLANE_U
Definition: aom_image.h:170
aom_image::d_h
unsigned int d_h
Definition: aom_image.h:157
AOM_PLANE_V
#define AOM_PLANE_V
Definition: aom_image.h:171
aom_codec_peek_stream_info
aom_codec_err_t aom_codec_peek_stream_info(aom_codec_iface_t *iface, const uint8_t *data, size_t data_sz, aom_codec_stream_info_t *si)
Parse stream info from a buffer.
AV1D_SET_OPERATING_POINT
Definition: aomdx.h:199
aom_codec_get_frame
aom_image_t * aom_codec_get_frame(aom_codec_ctx_t *ctx, aom_codec_iter_t *iter)
Decoded frames iterator.
aom_img_fmt_t
enum aom_img_fmt aom_img_fmt_t
List of supported image formats.
aom_codec_ctx::name
const char * name
Definition: aom_codec.h:205
AV1D_SET_IS_ANNEXB
Definition: aomdx.h:191
aom_codec_frame_buffer::data
uint8_t * data
Definition: aom_frame_buffer.h:41
aom_codec_ctx
Codec context structure.
Definition: aom_codec.h:204
aom_image::stride
int stride[4]
Definition: aom_image.h:174
AOM_IMG_FMT_HIGHBITDEPTH
#define AOM_IMG_FMT_HIGHBITDEPTH
Definition: aom_image.h:38
aom_codec_frame_buffer
External frame buffer.
Definition: aom_frame_buffer.h:40
aom_decoder.h
Describes the decoder algorithm interface to applications.
aom_image::monochrome
int monochrome
Definition: aom_image.h:146
aom_image
Image Descriptor.
Definition: aom_image.h:141
aom_img_alloc
aom_image_t * aom_img_alloc(aom_image_t *img, aom_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align)
Open a descriptor, allocating storage for the underlying image.
aom_codec_decode
aom_codec_err_t aom_codec_decode(aom_codec_ctx_t *ctx, const uint8_t *data, size_t data_sz, void *user_priv)
Decode data.
AOMD_GET_FRAME_CORRUPTED
Definition: aomdx.h:102
aom_codec_dec_init
#define aom_codec_dec_init(ctx, iface, cfg, flags)
Convenience macro for aom_codec_dec_init_ver()
Definition: aom_decoder.h:142
aom_codec_iface_name
const char * aom_codec_iface_name(aom_codec_iface_t *iface)
Return the name for a given interface.
aom_codec_destroy
aom_codec_err_t aom_codec_destroy(aom_codec_ctx_t *ctx)
Destroy a codec instance.
aom_codec_frame_buffer::priv
void * priv
Definition: aom_frame_buffer.h:43
aom_img_free
void aom_img_free(aom_image_t *img)
Close an image descriptor.
aom_codec_stream_info::h
unsigned int h
Definition: aom_decoder.h:85
aom_codec_dec_cfg
Initialization Configurations.
Definition: aom_decoder.h:103
aom_codec_control
#define aom_codec_control(ctx, id, data)
aom_codec_control wrapper macro
Definition: aom_codec.h:423
aom_img_plane_width
int aom_img_plane_width(const aom_image_t *img, int plane)
Get the width of a plane.
AOMD_GET_LAST_QUANTIZER
Definition: aomdx.h:157
aom_codec_stream_info
Stream properties.
Definition: aom_decoder.h:83
aom_codec_stream_info::w
unsigned int w
Definition: aom_decoder.h:84
aom_img_plane_height
int aom_img_plane_height(const aom_image_t *img, int plane)
Get the height of a plane.
AV1_SET_DECODE_TILE_ROW
Definition: aomdx.h:165
aom_codec_iter_t
const void * aom_codec_iter_t
Iterator.
Definition: aom_codec.h:194
aom_codec_frame_buffer::size
size_t size
Definition: aom_frame_buffer.h:42
AV1_SET_TILE_MODE
Definition: aomdx.h:171
AV1D_SET_OUTPUT_ALL_LAYERS
Definition: aomdx.h:210
aom_codec_error
const char * aom_codec_error(aom_codec_ctx_t *ctx)
Retrieve error synopsis for codec context.
AOM_IMG_FMT_I42016
Definition: aom_image.h:52
aomdx.h
Provides definitions for using AOM or AV1 within the aom Decoder interface.
aom_codec_set_frame_buffer_functions
aom_codec_err_t aom_codec_set_frame_buffer_functions(aom_codec_ctx_t *ctx, aom_get_frame_buffer_cb_fn_t cb_get, aom_release_frame_buffer_cb_fn_t cb_release, void *cb_priv)
Pass in external frame buffers for the decoder to use.
AOM_IMG_FMT_I420
Definition: aom_image.h:45
aom_codec_error_detail
const char * aom_codec_error_detail(aom_codec_ctx_t *ctx)
Retrieve detailed error information for codec context.
aom_codec_dec_cfg::threads
unsigned int threads
Definition: aom_decoder.h:104
aom_image::bit_depth
unsigned int bit_depth
Definition: aom_image.h:153
aom_image::planes
unsigned char * planes[4]
Definition: aom_image.h:173
aom_image::d_w
unsigned int d_w
Definition: aom_image.h:156
AV1D_GET_DISPLAY_SIZE
Definition: aomdx.h:117
AOM_IMG_FMT_YV12
Definition: aom_image.h:43
aom_image::fmt
aom_img_fmt_t fmt
Definition: aom_image.h:142
AOM_CODEC_USE_POSTPROC
#define AOM_CODEC_USE_POSTPROC
Definition: aom_decoder.h:73
AOM_PLANE_Y
#define AOM_PLANE_Y
Definition: aom_image.h:169