AOMedia AV1 Codec: aomdec

| AOMedia AV1 Codec

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 <inttypes.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/rawenc.h"
44#include "common/y4menc.h"
45
46#if CONFIG_LIBYUV
47#include "third_party/libyuv/include/libyuv/scale.h"
48#endif
49
50static const char *exec_name;
51
52struct AvxDecInputContext {
53 struct AvxInputContext *aom_input_ctx;
54 struct ObuDecInputContext *obu_ctx;
55 struct WebmInputContext *webm_ctx;
56};
57
58static const arg_def_t help =
59 ARG_DEF(NULL, "help", 0, "Show usage options and exit");
60static const arg_def_t looparg =
61 ARG_DEF(NULL, "loops", 1, "Number of times to decode the file");
62static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1, "Codec to use");
63static const arg_def_t use_yv12 =
64 ARG_DEF(NULL, "yv12", 0, "Output raw YV12 frames");
65static const arg_def_t use_i420 =
66 ARG_DEF(NULL, "i420", 0, "Output raw I420 frames");
67static const arg_def_t flipuvarg =
68 ARG_DEF(NULL, "flipuv", 0, "Flip the chroma planes in the output");
69static const arg_def_t rawvideo =
70 ARG_DEF(NULL, "rawvideo", 0, "Output raw YUV frames");
71static const arg_def_t noblitarg =
72 ARG_DEF(NULL, "noblit", 0, "Don't process the decoded frames");
73static const arg_def_t progressarg =
74 ARG_DEF(NULL, "progress", 0, "Show progress after each frame decodes");
75static const arg_def_t limitarg =
76 ARG_DEF(NULL, "limit", 1, "Stop decoding after n frames");
77static const arg_def_t skiparg =
78 ARG_DEF(NULL, "skip", 1, "Skip the first n input frames");
79static const arg_def_t summaryarg =
80 ARG_DEF(NULL, "summary", 0, "Show timing summary");
81static const arg_def_t outputfile =
82 ARG_DEF("o", "output", 1, "Output file name pattern (see below)");
83static const arg_def_t threadsarg =
84 ARG_DEF("t", "threads", 1, "Max threads to use");
85static const arg_def_t rowmtarg =
86 ARG_DEF(NULL, "row-mt", 1, "Enable row based multi-threading, default: 0");
87static const arg_def_t verbosearg =
88 ARG_DEF("v", "verbose", 0, "Show version string");
89static const arg_def_t scalearg =
90 ARG_DEF("S", "scale", 0, "Scale output frames uniformly");
91static const arg_def_t continuearg =
92 ARG_DEF("k", "keep-going", 0, "(debug) Continue decoding after error");
93static const arg_def_t fb_arg =
94 ARG_DEF(NULL, "frame-buffers", 1, "Number of frame buffers to use");
95static const arg_def_t md5arg =
96 ARG_DEF(NULL, "md5", 0, "Compute the MD5 sum of the decoded frame");
97static const arg_def_t framestatsarg =
98 ARG_DEF(NULL, "framestats", 1, "Output per-frame stats (.csv format)");
99static const arg_def_t outbitdeptharg =
100 ARG_DEF(NULL, "output-bit-depth", 1, "Output bit-depth for decoded frames");
101static const arg_def_t isannexb =
102 ARG_DEF(NULL, "annexb", 0, "Bitstream is in Annex-B format");
103static const arg_def_t oppointarg = ARG_DEF(
104 NULL, "oppoint", 1, "Select an operating point of a scalable bitstream");
105static const arg_def_t outallarg = ARG_DEF(
106 NULL, "all-layers", 0, "Output all decoded frames of a scalable bitstream");
107static const arg_def_t skipfilmgrain =
108 ARG_DEF(NULL, "skip-film-grain", 0, "Skip film grain application");
109
110static const arg_def_t *all_args[] = {
111 &help, &codecarg, &use_yv12, &use_i420,
112 &flipuvarg, &rawvideo, &noblitarg, &progressarg,
113 &limitarg, &skiparg, &summaryarg, &outputfile,
114 &threadsarg, &rowmtarg, &verbosearg, &scalearg,
115 &fb_arg, &md5arg, &framestatsarg, &continuearg,
116 &outbitdeptharg, &isannexb, &oppointarg, &outallarg,
117 &skipfilmgrain, NULL
118};
119
120#if CONFIG_LIBYUV
121// Returns 0 on success and returns -1 on failure.
122static inline int libyuv_scale(const aom_image_t *src, aom_image_t *dst,
123 FilterModeEnum mode) {
124 if (src->fmt != dst->fmt) {
125 fprintf(stderr,
126 "%s failed to scale output frame because format changed from %s to "
127 "%s\n",
128 exec_name, image_format_to_string(dst->fmt),
129 image_format_to_string(src->fmt));
130 return -1;
131 }
132 if (src->fmt == AOM_IMG_FMT_I42016) {
133 return I420Scale_16(
134 (uint16_t *)src->planes[AOM_PLANE_Y], src->stride[AOM_PLANE_Y] / 2,
135 (uint16_t *)src->planes[AOM_PLANE_U], src->stride[AOM_PLANE_U] / 2,
136 (uint16_t *)src->planes[AOM_PLANE_V], src->stride[AOM_PLANE_V] / 2,
137 src->d_w, src->d_h, (uint16_t *)dst->planes[AOM_PLANE_Y],
138 dst->stride[AOM_PLANE_Y] / 2, (uint16_t *)dst->planes[AOM_PLANE_U],
139 dst->stride[AOM_PLANE_U] / 2, (uint16_t *)dst->planes[AOM_PLANE_V],
140 dst->stride[AOM_PLANE_V] / 2, dst->d_w, dst->d_h, mode);
141 }
142 if (src->fmt == AOM_IMG_FMT_I420) {
143 return I420Scale(src->planes[AOM_PLANE_Y], src->stride[AOM_PLANE_Y],
144 src->planes[AOM_PLANE_U], src->stride[AOM_PLANE_U],
145 src->planes[AOM_PLANE_V], src->stride[AOM_PLANE_V],
146 src->d_w, src->d_h, dst->planes[AOM_PLANE_Y],
147 dst->stride[AOM_PLANE_Y], dst->planes[AOM_PLANE_U],
148 dst->stride[AOM_PLANE_U], dst->planes[AOM_PLANE_V],
149 dst->stride[AOM_PLANE_V], dst->d_w, dst->d_h, mode);
150 }
151 fprintf(stderr, "%s cannot scale output frame of format %s\n", exec_name,
152 image_format_to_string(src->fmt));
153 return -1;
154}
155#endif
156
157static void show_help(FILE *fout, int shorthelp) {
158 fprintf(fout, "Usage: %s <options> filename\n\n", exec_name);
159
160 if (shorthelp) {
161 fprintf(fout, "Use --help to see the full list of options.\n");
162 return;
163 }
164
165 fprintf(fout, "Options:\n");
166 arg_show_usage(fout, all_args);
167 fprintf(fout,
168 "\nOutput File Patterns:\n\n"
169 " The -o argument specifies the name of the file(s) to "
170 "write to. If the\n argument does not include any escape "
171 "characters, the output will be\n written to a single file. "
172 "Otherwise, the filename will be calculated by\n expanding "
173 "the following escape characters:\n");
174 fprintf(fout,
175 "\n\t%%w - Frame width"
176 "\n\t%%h - Frame height"
177 "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
178 "\n\n Pattern arguments are only supported in conjunction "
179 "with the --yv12 and\n --i420 options. If the -o option is "
180 "not specified, the output will be\n directed to stdout.\n");
181 fprintf(fout, "\nIncluded decoders:\n\n");
182
183 for (int i = 0; i < get_aom_decoder_count(); ++i) {
184 aom_codec_iface_t *decoder = get_aom_decoder_by_index(i);
185 fprintf(fout, " %-6s - %s\n", get_short_name_by_aom_decoder(decoder),
186 aom_codec_iface_name(decoder));
187 }
188}
189
190void usage_exit(void) {
191 show_help(stderr, 1);
192 exit(EXIT_FAILURE);
193}
194
195static int raw_read_frame(struct AvxInputContext *input_ctx, uint8_t **buffer,
196 size_t *bytes_read, size_t *buffer_size) {
197 unsigned char raw_hdr[RAW_FRAME_HDR_SZ];
198 size_t frame_size = 0;
199
200 if (read_from_input(input_ctx, RAW_FRAME_HDR_SZ, raw_hdr) !=
201 RAW_FRAME_HDR_SZ) {
202 if (!input_eof(input_ctx))
203 aom_tools_warn("Failed to read RAW frame size\n");
204 } else {
205 const size_t kCorruptFrameThreshold = 256 * 1024 * 1024;
206 const size_t kFrameTooSmallThreshold = 256 * 1024;
207 frame_size = mem_get_le32(raw_hdr);
208
209 if (frame_size > kCorruptFrameThreshold) {
210 aom_tools_warn("Read invalid frame size (%u)\n",
211 (unsigned int)frame_size);
212 frame_size = 0;
213 }
214
215 if (frame_size < kFrameTooSmallThreshold) {
216 aom_tools_warn(
217 "Warning: Read invalid frame size (%u) - not a raw file?\n",
218 (unsigned int)frame_size);
219 }
220
221 if (frame_size > *buffer_size) {
222 uint8_t *new_buf = realloc(*buffer, 2 * frame_size);
223 if (new_buf) {
224 *buffer = new_buf;
225 *buffer_size = 2 * frame_size;
226 } else {
227 aom_tools_warn("Failed to allocate compressed data buffer\n");
228 frame_size = 0;
229 }
230 }
231 }
232
233 if (!input_eof(input_ctx)) {
234 if (read_from_input(input_ctx, frame_size, *buffer) != frame_size) {
235 aom_tools_warn("Failed to read full frame\n");
236 return 1;
237 }
238 *bytes_read = frame_size;
239 return 0;
240 }
241
242 return 1;
243}
244
245static int read_frame(struct AvxDecInputContext *input, uint8_t **buf,
246 size_t *bytes_in_buffer, size_t *buffer_size) {
247 switch (input->aom_input_ctx->file_type) {
248#if CONFIG_WEBM_IO
249 case FILE_TYPE_WEBM:
250 return webm_read_frame(input->webm_ctx, buf, bytes_in_buffer,
251 buffer_size);
252#endif
253 case FILE_TYPE_RAW:
254 return raw_read_frame(input->aom_input_ctx, buf, bytes_in_buffer,
255 buffer_size);
256 case FILE_TYPE_IVF:
257 return ivf_read_frame(input->aom_input_ctx, buf, bytes_in_buffer,
258 buffer_size, NULL);
259 case FILE_TYPE_OBU:
260 return obudec_read_temporal_unit(input->obu_ctx, buf, bytes_in_buffer,
261 buffer_size);
262 default: return 1;
263 }
264}
265
266static int file_is_raw(struct AvxInputContext *input) {
267 uint8_t buf[32];
268 int is_raw = 0;
269 aom_codec_stream_info_t si;
270 memset(&si, 0, sizeof(si));
271
272 if (buffer_input(input, 32, buf, /*buffered=*/true) == 32) {
273 int i;
274
275 if (mem_get_le32(buf) < 256 * 1024 * 1024) {
276 for (i = 0; i < get_aom_decoder_count(); ++i) {
277 aom_codec_iface_t *decoder = get_aom_decoder_by_index(i);
278 if (!aom_codec_peek_stream_info(decoder, buf + 4, 32 - 4, &si)) {
279 is_raw = 1;
280 input->fourcc = get_fourcc_by_aom_decoder(decoder);
281 input->width = si.w;
282 input->height = si.h;
283 input->framerate.numerator = 30;
284 input->framerate.denominator = 1;
285 break;
286 }
287 }
288 }
289 }
290
291 rewind_detect(input);
292 return is_raw;
293}
294
295static void show_progress(int frame_in, int frame_out, uint64_t dx_time) {
296 fprintf(stderr,
297 "%d decoded frames/%d showed frames in %" PRId64 " us (%.2f fps)\r",
298 frame_in, frame_out, dx_time,
299 (double)frame_out * 1000000.0 / (double)dx_time);
300}
301
302struct ExternalFrameBuffer {
303 uint8_t *data;
304 size_t size;
305 int in_use;
306};
307
308struct ExternalFrameBufferList {
309 int num_external_frame_buffers;
310 struct ExternalFrameBuffer *ext_fb;
311};
312
313// Callback used by libaom to request an external frame buffer. |cb_priv|
314// Application private data passed into the set function. |min_size| is the
315// minimum size in bytes needed to decode the next frame. |fb| pointer to the
316// frame buffer.
317static int get_av1_frame_buffer(void *cb_priv, size_t min_size,
318 aom_codec_frame_buffer_t *fb) {
319 int i;
320 struct ExternalFrameBufferList *const ext_fb_list =
321 (struct ExternalFrameBufferList *)cb_priv;
322 if (ext_fb_list == NULL) return -1;
323
324 // Find a free frame buffer.
325 for (i = 0; i < ext_fb_list->num_external_frame_buffers; ++i) {
326 if (!ext_fb_list->ext_fb[i].in_use) break;
327 }
328
329 if (i == ext_fb_list->num_external_frame_buffers) return -1;
330
331 if (ext_fb_list->ext_fb[i].size < min_size) {
332 free(ext_fb_list->ext_fb[i].data);
333 ext_fb_list->ext_fb[i].data = (uint8_t *)calloc(min_size, sizeof(uint8_t));
334 if (!ext_fb_list->ext_fb[i].data) return -1;
335
336 ext_fb_list->ext_fb[i].size = min_size;
337 }
338
339 fb->data = ext_fb_list->ext_fb[i].data;
340 fb->size = ext_fb_list->ext_fb[i].size;
341 ext_fb_list->ext_fb[i].in_use = 1;
342
343 // Set the frame buffer's private data to point at the external frame buffer.
344 fb->priv = &ext_fb_list->ext_fb[i];
345 return 0;
346}
347
348// Callback used by libaom when there are no references to the frame buffer.
349// |cb_priv| user private data passed into the set function. |fb| pointer
350// to the frame buffer.
351static int release_av1_frame_buffer(void *cb_priv,
352 aom_codec_frame_buffer_t *fb) {
353 struct ExternalFrameBuffer *const ext_fb =
354 (struct ExternalFrameBuffer *)fb->priv;
355 (void)cb_priv;
356 ext_fb->in_use = 0;
357 return 0;
358}
359
360static void generate_filename(const char *pattern, char *out, size_t q_len,
361 unsigned int d_w, unsigned int d_h,
362 unsigned int frame_in) {
363 const char *p = pattern;
364 char *q = out;
365
366 do {
367 char *next_pat = strchr(p, '%');
368
369 if (p == next_pat) {
370 size_t pat_len;
371
372 /* parse the pattern */
373 q[q_len - 1] = '\0';
374 switch (p[1]) {
375 case 'w': snprintf(q, q_len - 1, "%d", d_w); break;
376 case 'h': snprintf(q, q_len - 1, "%d", d_h); break;
377 case '1': snprintf(q, q_len - 1, "%d", frame_in); break;
378 case '2': snprintf(q, q_len - 1, "%02d", frame_in); break;
379 case '3': snprintf(q, q_len - 1, "%03d", frame_in); break;
380 case '4': snprintf(q, q_len - 1, "%04d", frame_in); break;
381 case '5': snprintf(q, q_len - 1, "%05d", frame_in); break;
382 case '6': snprintf(q, q_len - 1, "%06d", frame_in); break;
383 case '7': snprintf(q, q_len - 1, "%07d", frame_in); break;
384 case '8': snprintf(q, q_len - 1, "%08d", frame_in); break;
385 case '9': snprintf(q, q_len - 1, "%09d", frame_in); break;
386 default: die("Unrecognized pattern %%%c\n", p[1]);
387 }
388
389 pat_len = strlen(q);
390 if (pat_len >= q_len - 1) die("Output filename too long.\n");
391 q += pat_len;
392 p += 2;
393 q_len -= pat_len;
394 } else {
395 size_t copy_len;
396
397 /* copy the next segment */
398 if (!next_pat)
399 copy_len = strlen(p);
400 else
401 copy_len = next_pat - p;
402
403 if (copy_len >= q_len - 1) die("Output filename too long.\n");
404
405 memcpy(q, p, copy_len);
406 q[copy_len] = '\0';
407 q += copy_len;
408 p += copy_len;
409 q_len -= copy_len;
410 }
411 } while (*p);
412}
413
414static int is_single_file(const char *outfile_pattern) {
415 const char *p = outfile_pattern;
416
417 do {
418 p = strchr(p, '%');
419 if (p && p[1] >= '1' && p[1] <= '9')
420 return 0; // pattern contains sequence number, so it's not unique
421 if (p) p++;
422 } while (p);
423
424 return 1;
425}
426
427static void print_md5(unsigned char digest[16], const char *filename) {
428 int i;
429
430 for (i = 0; i < 16; ++i) printf("%02x", digest[i]);
431 printf(" %s\n", filename);
432}
433
434static FILE *open_outfile(const char *name) {
435 if (strcmp("-", name) == 0) {
436 set_binary_mode(stdout);
437 return stdout;
438 } else {
439 FILE *file = fopen(name, "wb");
440 if (!file) fatal("Failed to open output file '%s'", name);
441 return file;
442 }
443}
444
445static int main_loop(int argc, const char **argv_) {
446 aom_codec_ctx_t decoder;
447 char *fn = NULL;
448 int i;
449 int ret = EXIT_FAILURE;
450 uint8_t *buf = NULL;
451 size_t bytes_in_buffer = 0, buffer_size = 0;
452 FILE *infile;
453 int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
454 int do_md5 = 0, progress = 0;
455 int stop_after = 0, summary = 0, quiet = 1;
456 int arg_skip = 0;
457 int keep_going = 0;
458 uint64_t dx_time = 0;
459 struct arg arg;
460 char **argv, **argi, **argj;
461
462 int single_file;
463 int use_y4m = 1;
464 int opt_yv12 = 0;
465 int opt_i420 = 0;
466 int opt_raw = 0;
467 aom_codec_dec_cfg_t cfg = { 0, 0, 0, !FORCE_HIGHBITDEPTH_DECODING };
468 unsigned int fixed_output_bit_depth = 0;
469 unsigned int is_annexb = 0;
470 int frames_corrupted = 0;
471 int dec_flags = 0;
472 int do_scale = 0;
473 int operating_point = 0;
474 int output_all_layers = 0;
475 int skip_film_grain = 0;
476 int enable_row_mt = 0;
477 aom_image_t *scaled_img = NULL;
478 aom_image_t *img_shifted = NULL;
479 int frame_avail, got_data, flush_decoder = 0;
480 int num_external_frame_buffers = 0;
481 struct ExternalFrameBufferList ext_fb_list = { 0, NULL };
482
483 const char *outfile_pattern = NULL;
484 char outfile_name[PATH_MAX] = { 0 };
485 FILE *outfile = NULL;
486
487 FILE *framestats_file = NULL;
488
489 MD5Context md5_ctx;
490 unsigned char md5_digest[16];
491
492 struct AvxDecInputContext input = { NULL, NULL, NULL };
493 struct AvxInputContext aom_input_ctx;
494 memset(&aom_input_ctx, 0, sizeof(aom_input_ctx));
495#if CONFIG_WEBM_IO
496 struct WebmInputContext webm_ctx;
497 memset(&webm_ctx, 0, sizeof(webm_ctx));
498 input.webm_ctx = &webm_ctx;
499#endif
500 struct ObuDecInputContext obu_ctx = { NULL, NULL, 0, 0, 0 };
501 int is_ivf = 0;
502
503 obu_ctx.avx_ctx = &aom_input_ctx;
504 input.obu_ctx = &obu_ctx;
505 input.aom_input_ctx = &aom_input_ctx;
506
507 /* Parse command line */
508 exec_name = argv_[0];
509 argv = argv_dup(argc - 1, argv_ + 1);
510 if (!argv) {
511 fprintf(stderr, "Error allocating argument list\n");
512 return EXIT_FAILURE;
513 }
514
515 aom_codec_iface_t *interface = NULL;
516 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
517 memset(&arg, 0, sizeof(arg));
518 arg.argv_step = 1;
519
520 if (arg_match(&arg, &help, argi)) {
521 show_help(stdout, 0);
522 exit(EXIT_SUCCESS);
523 } else if (arg_match(&arg, &codecarg, argi)) {
524 interface = get_aom_decoder_by_short_name(arg.val);
525 if (!interface)
526 die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
527 } else if (arg_match(&arg, &looparg, argi)) {
528 // no-op
529 } else if (arg_match(&arg, &outputfile, argi)) {
530 outfile_pattern = arg.val;
531 } else if (arg_match(&arg, &use_yv12, argi)) {
532 use_y4m = 0;
533 flipuv = 1;
534 opt_yv12 = 1;
535 opt_i420 = 0;
536 opt_raw = 0;
537 } else if (arg_match(&arg, &use_i420, argi)) {
538 use_y4m = 0;
539 flipuv = 0;
540 opt_yv12 = 0;
541 opt_i420 = 1;
542 opt_raw = 0;
543 } else if (arg_match(&arg, &rawvideo, argi)) {
544 use_y4m = 0;
545 opt_yv12 = 0;
546 opt_i420 = 0;
547 opt_raw = 1;
548 } else if (arg_match(&arg, &flipuvarg, argi)) {
549 flipuv = 1;
550 } else if (arg_match(&arg, &noblitarg, argi)) {
551 noblit = 1;
552 } else if (arg_match(&arg, &progressarg, argi)) {
553 progress = 1;
554 } else if (arg_match(&arg, &limitarg, argi)) {
555 stop_after = arg_parse_uint(&arg);
556 } else if (arg_match(&arg, &skiparg, argi)) {
557 arg_skip = arg_parse_uint(&arg);
558 } else if (arg_match(&arg, &md5arg, argi)) {
559 do_md5 = 1;
560 } else if (arg_match(&arg, &framestatsarg, argi)) {
561 framestats_file = fopen(arg.val, "w");
562 if (!framestats_file) {
563 die("Error: Could not open --framestats file (%s) for writing.\n",
564 arg.val);
565 }
566 } else if (arg_match(&arg, &summaryarg, argi)) {
567 summary = 1;
568 } else if (arg_match(&arg, &threadsarg, argi)) {
569 cfg.threads = arg_parse_uint(&arg);
570#if !CONFIG_MULTITHREAD
571 if (cfg.threads > 1) {
572 die("Error: --threads=%d is not supported when CONFIG_MULTITHREAD = "
573 "0.\n",
574 cfg.threads);
575 }
576#endif
577 } else if (arg_match(&arg, &rowmtarg, argi)) {
578 enable_row_mt = arg_parse_uint(&arg);
579 } else if (arg_match(&arg, &verbosearg, argi)) {
580 quiet = 0;
581 } else if (arg_match(&arg, &scalearg, argi)) {
582 do_scale = 1;
583 } else if (arg_match(&arg, &fb_arg, argi)) {
584 num_external_frame_buffers = arg_parse_uint(&arg);
585 } else if (arg_match(&arg, &continuearg, argi)) {
586 keep_going = 1;
587 } else if (arg_match(&arg, &outbitdeptharg, argi)) {
588 fixed_output_bit_depth = arg_parse_uint(&arg);
589 } else if (arg_match(&arg, &isannexb, argi)) {
590 is_annexb = 1;
591 input.obu_ctx->is_annexb = 1;
592 } else if (arg_match(&arg, &oppointarg, argi)) {
593 operating_point = arg_parse_int(&arg);
594 } else if (arg_match(&arg, &outallarg, argi)) {
595 output_all_layers = 1;
596 } else if (arg_match(&arg, &skipfilmgrain, argi)) {
597 skip_film_grain = 1;
598 } else {
599 argj++;
600 }
601 }
602
603 /* Check for unrecognized options */
604 for (argi = argv; *argi; argi++)
605 if (argi[0][0] == '-' && strlen(argi[0]) > 1)
606 die("Error: Unrecognized option %s\n", *argi);
607
608 /* Handle non-option arguments */
609 fn = argv[0];
610
611 if (!fn) {
612 free(argv);
613 fprintf(stderr, "No input file specified!\n");
614 usage_exit();
615 }
616
617 const bool using_file = strcmp(fn, "-") != 0;
618 /* Open file */
619 infile = using_file ? fopen(fn, "rb") : set_binary_mode(stdin);
620
621 if (!infile) {
622 fatal("Failed to open input file '%s'", using_file ? fn : "stdin");
623 }
624#if CONFIG_OS_SUPPORT
625 /* Make sure we don't dump to the terminal, unless forced to with -o - */
626 if (!outfile_pattern && isatty(STDOUT_FILENO) && !do_md5 && !noblit) {
627 fprintf(stderr,
628 "Not dumping raw video to your terminal. Use '-o -' to "
629 "override.\n");
630 free(argv);
631 return EXIT_FAILURE;
632 }
633#endif
634 input.aom_input_ctx->filename = fn;
635 input.aom_input_ctx->file = infile;
636
637 // TODO(https://crbug.com/aomedia/1706): webm type does not support reading
638 // from stdin yet, and file_is_webm is not using the detect buffer when
639 // determining the type. Therefore it should only be checked when using a file
640 // and needs to be checked prior to other types.
641 if (false) {
642#if CONFIG_WEBM_IO
643 } else if (using_file && file_is_webm(input.webm_ctx, input.aom_input_ctx)) {
644 input.aom_input_ctx->file_type = FILE_TYPE_WEBM;
645#endif
646 } else if (file_is_ivf(input.aom_input_ctx)) {
647 input.aom_input_ctx->file_type = FILE_TYPE_IVF;
648 is_ivf = 1;
649 } else if (file_is_obu(&obu_ctx)) {
650 input.aom_input_ctx->file_type = FILE_TYPE_OBU;
651 } else if (file_is_raw(input.aom_input_ctx)) {
652 input.aom_input_ctx->file_type = FILE_TYPE_RAW;
653 } else {
654 fprintf(stderr, "Unrecognized input file type.\n");
655#if CONFIG_WEBM_IO
656 if (!using_file) {
657 fprintf(stderr, "aomdec does not support piped WebM input.\n");
658 }
659#else
660 fprintf(stderr, "aomdec was built without WebM container support.\n");
661#endif
662 free(argv);
663 return EXIT_FAILURE;
664 }
665
666 outfile_pattern = outfile_pattern ? outfile_pattern : "-";
667 single_file = is_single_file(outfile_pattern);
668
669 if (!noblit && single_file) {
670 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
671 aom_input_ctx.width, aom_input_ctx.height, 0);
672 if (do_md5)
673 MD5Init(&md5_ctx);
674 else
675 outfile = open_outfile(outfile_name);
676 }
677
678 if (use_y4m && !noblit) {
679 if (!single_file) {
680 fprintf(stderr,
681 "YUV4MPEG2 not supported with output patterns,"
682 " try --i420 or --yv12 or --rawvideo.\n");
683 return EXIT_FAILURE;
684 }
685
686#if CONFIG_WEBM_IO
687 if (aom_input_ctx.file_type == FILE_TYPE_WEBM) {
688 if (webm_guess_framerate(input.webm_ctx, input.aom_input_ctx)) {
689 fprintf(stderr,
690 "Failed to guess framerate -- error parsing "
691 "webm file?\n");
692 return EXIT_FAILURE;
693 }
694 }
695#endif
696 }
697
698 aom_codec_iface_t *fourcc_interface =
699 get_aom_decoder_by_fourcc(aom_input_ctx.fourcc);
700
701 if (is_ivf && !fourcc_interface)
702 fatal("Unsupported fourcc: %x\n", aom_input_ctx.fourcc);
703
704 if (interface && fourcc_interface && interface != fourcc_interface)
705 aom_tools_warn("Header indicates codec: %s\n",
706 aom_codec_iface_name(fourcc_interface));
707 else
708 interface = fourcc_interface;
709
710 if (!interface) interface = get_aom_decoder_by_index(0);
711
712 dec_flags = 0;
713 if (aom_codec_dec_init(&decoder, interface, &cfg, dec_flags)) {
714 fprintf(stderr, "Failed to initialize decoder: %s\n",
715 aom_codec_error(&decoder));
716 goto fail2;
717 }
718
719 if (!quiet) fprintf(stderr, "%s\n", decoder.name);
720
721 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_IS_ANNEXB, is_annexb)) {
722 fprintf(stderr, "Failed to set is_annexb: %s\n", aom_codec_error(&decoder));
723 goto fail;
724 }
725
726 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_OPERATING_POINT,
727 operating_point)) {
728 fprintf(stderr, "Failed to set operating_point: %s\n",
729 aom_codec_error(&decoder));
730 goto fail;
731 }
732
733 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_OUTPUT_ALL_LAYERS,
734 output_all_layers)) {
735 fprintf(stderr, "Failed to set output_all_layers: %s\n",
736 aom_codec_error(&decoder));
737 goto fail;
738 }
739
740 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_SKIP_FILM_GRAIN,
741 skip_film_grain)) {
742 fprintf(stderr, "Failed to set skip_film_grain: %s\n",
743 aom_codec_error(&decoder));
744 goto fail;
745 }
746
747 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_ROW_MT, enable_row_mt)) {
748 fprintf(stderr, "Failed to set row multithreading mode: %s\n",
749 aom_codec_error(&decoder));
750 goto fail;
751 }
752
753 if (arg_skip) fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
754 while (arg_skip) {
755 if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) break;
756 arg_skip--;
757 }
758
759 if (num_external_frame_buffers > 0) {
760 ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
761 ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
762 num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
763 if (!ext_fb_list.ext_fb) {
764 fprintf(stderr, "Failed to allocate ExternalFrameBuffer\n");
765 goto fail;
766 }
767 if (aom_codec_set_frame_buffer_functions(&decoder, get_av1_frame_buffer,
768 release_av1_frame_buffer,
769 &ext_fb_list)) {
770 fprintf(stderr, "Failed to configure external frame buffers: %s\n",
771 aom_codec_error(&decoder));
772 goto fail;
773 }
774 }
775
776 frame_avail = 1;
777 got_data = 0;
778
779 if (framestats_file) fprintf(framestats_file, "bytes,qp\r\n");
780
781 /* Decode file */
782 while (frame_avail || got_data) {
783 aom_codec_iter_t iter = NULL;
784 aom_image_t *img;
785 struct aom_usec_timer timer;
786 int corrupted = 0;
787
788 frame_avail = 0;
789 if (!stop_after || frame_in < stop_after) {
790 if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
791 frame_avail = 1;
792 frame_in++;
793
794 aom_usec_timer_start(&timer);
795
796 if (aom_codec_decode(&decoder, buf, bytes_in_buffer, NULL)) {
797 const char *detail = aom_codec_error_detail(&decoder);
798 aom_tools_warn("Failed to decode frame %d: %s", frame_in,
799 aom_codec_error(&decoder));
800
801 if (detail) aom_tools_warn("Additional information: %s", detail);
802 if (!keep_going) goto fail;
803 }
804
805 if (framestats_file) {
806 int qp;
807 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AOMD_GET_LAST_QUANTIZER,
808 &qp)) {
809 aom_tools_warn("Failed AOMD_GET_LAST_QUANTIZER: %s",
810 aom_codec_error(&decoder));
811 if (!keep_going) goto fail;
812 }
813 fprintf(framestats_file, "%d,%d\r\n", (int)bytes_in_buffer, qp);
814 }
815
816 aom_usec_timer_mark(&timer);
817 dx_time += aom_usec_timer_elapsed(&timer);
818 } else {
819 flush_decoder = 1;
820 }
821 } else {
822 flush_decoder = 1;
823 }
824
825 aom_usec_timer_start(&timer);
826
827 if (flush_decoder) {
828 // Flush the decoder.
829 if (aom_codec_decode(&decoder, NULL, 0, NULL)) {
830 aom_tools_warn("Failed to flush decoder: %s",
831 aom_codec_error(&decoder));
832 }
833 }
834
835 aom_usec_timer_mark(&timer);
836 dx_time += aom_usec_timer_elapsed(&timer);
837
838 got_data = 0;
839 // TODO(aomedia:3519): Change the prototype of aom_codec_get_frame_fn_t to
840 // facilitate error handling.
841 while ((img = aom_codec_get_frame(&decoder, &iter))) {
842 ++frame_out;
843 got_data = 1;
844
845 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AOMD_GET_FRAME_CORRUPTED,
846 &corrupted)) {
847 aom_tools_warn("Failed AOM_GET_FRAME_CORRUPTED: %s",
848 aom_codec_error(&decoder));
849 if (!keep_going) goto fail;
850 }
851 frames_corrupted += corrupted;
852
853 if (progress) show_progress(frame_in, frame_out, dx_time);
854
855 if (!noblit) {
856 const int PLANES_YUV[] = { AOM_PLANE_Y, AOM_PLANE_U, AOM_PLANE_V };
857 const int PLANES_YVU[] = { AOM_PLANE_Y, AOM_PLANE_V, AOM_PLANE_U };
858 const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
859
860 if (do_scale) {
861 if (frame_out == 1) {
862 // If the output frames are to be scaled to a fixed display size
863 // then use the width and height specified in the container. If
864 // either of these is set to 0, use the display size set in the
865 // first frame header. If that is unavailable, use the raw decoded
866 // size of the first decoded frame.
867 int render_width = aom_input_ctx.width;
868 int render_height = aom_input_ctx.height;
869 if (!render_width || !render_height) {
870 int render_size[2];
871 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_GET_DISPLAY_SIZE,
872 render_size)) {
873 // As last resort use size of first frame as display size.
874 render_width = img->d_w;
875 render_height = img->d_h;
876 } else {
877 render_width = render_size[0];
878 render_height = render_size[1];
879 }
880 }
881 scaled_img =
882 aom_img_alloc(NULL, img->fmt, render_width, render_height, 16);
883 if (!scaled_img) {
884 fprintf(stderr, "Failed to allocate scaled image (%d x %d)\n",
885 render_width, render_height);
886 goto fail;
887 }
888 scaled_img->bit_depth = img->bit_depth;
889 scaled_img->monochrome = img->monochrome;
890 scaled_img->csp = img->csp;
891 }
892
893 if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
894#if CONFIG_LIBYUV
895 if (libyuv_scale(img, scaled_img, kFilterBox) != 0) goto fail;
896 img = scaled_img;
897#else
898 fprintf(
899 stderr,
900 "Failed to scale output frame: %s.\n"
901 "libyuv is required for scaling but is currently disabled.\n"
902 "Be sure to specify -DCONFIG_LIBYUV=1 when running cmake.\n",
903 aom_codec_error(&decoder));
904 goto fail;
905#endif
906 }
907 }
908 // Default to codec bit depth if output bit depth not set
909 unsigned int output_bit_depth;
910 if (!fixed_output_bit_depth && single_file) {
911 output_bit_depth = img->bit_depth;
912 } else {
913 output_bit_depth = fixed_output_bit_depth;
914 }
915 // Shift up or down if necessary
916 if (output_bit_depth != 0) {
917 if (!aom_shift_img(output_bit_depth, &img, &img_shifted)) {
918 fprintf(stderr, "Error allocating image\n");
919 goto fail;
920 }
921 }
922
923 aom_input_ctx.width = img->d_w;
924 aom_input_ctx.height = img->d_h;
925
926 int num_planes = (opt_raw && img->monochrome) ? 1 : 3;
927 if (single_file) {
928 if (use_y4m) {
929 char y4m_buf[Y4M_BUFFER_SIZE] = { 0 };
930 size_t len = 0;
931 if (frame_out == 1) {
932 // Y4M file header
933 len = y4m_write_file_header(
934 y4m_buf, sizeof(y4m_buf), aom_input_ctx.width,
935 aom_input_ctx.height, &aom_input_ctx.framerate,
936 img->monochrome, img->csp, img->fmt, img->bit_depth,
937 img->range);
938 if (img->csp == AOM_CSP_COLOCATED) {
939 fprintf(stderr,
940 "Warning: Y4M lacks a colorspace for colocated "
941 "chroma. Using a placeholder.\n");
942 }
943 if (do_md5) {
944 MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
945 } else {
946 fputs(y4m_buf, outfile);
947 }
948 }
949
950 // Y4M frame header
951 len = y4m_write_frame_header(y4m_buf, sizeof(y4m_buf));
952 if (do_md5) {
953 MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
954 y4m_update_image_md5(img, planes, &md5_ctx);
955 } else {
956 fputs(y4m_buf, outfile);
957 y4m_write_image_file(img, planes, outfile);
958 }
959 } else {
960 if (frame_out == 1) {
961 // Check if --yv12 or --i420 options are consistent with the
962 // bit-stream decoded
963 if (opt_i420) {
964 if (img->fmt != AOM_IMG_FMT_I420 &&
965 img->fmt != AOM_IMG_FMT_I42016) {
966 fprintf(stderr,
967 "Cannot produce i420 output for bit-stream.\n");
968 goto fail;
969 }
970 }
971 if (opt_yv12) {
972 if ((img->fmt != AOM_IMG_FMT_I420 &&
973 img->fmt != AOM_IMG_FMT_YV12) ||
974 img->bit_depth != 8) {
975 fprintf(stderr,
976 "Cannot produce yv12 output for bit-stream.\n");
977 goto fail;
978 }
979 }
980 }
981 if (do_md5) {
982 raw_update_image_md5(img, planes, num_planes, &md5_ctx);
983 } else {
984 raw_write_image_file(img, planes, num_planes, outfile);
985 }
986 }
987 } else {
988 generate_filename(outfile_pattern, outfile_name, PATH_MAX, img->d_w,
989 img->d_h, frame_in);
990 if (do_md5) {
991 MD5Init(&md5_ctx);
992 if (use_y4m) {
993 y4m_update_image_md5(img, planes, &md5_ctx);
994 } else {
995 raw_update_image_md5(img, planes, num_planes, &md5_ctx);
996 }
997 MD5Final(md5_digest, &md5_ctx);
998 print_md5(md5_digest, outfile_name);
999 } else {
1000 outfile = open_outfile(outfile_name);
1001 if (use_y4m) {
1002 y4m_write_image_file(img, planes, outfile);
1003 } else {
1004 raw_write_image_file(img, planes, num_planes, outfile);
1005 }
1006 fclose(outfile);
1007 }
1008 }
1009 }
1010 }
1011 }
1012
1013 if (summary || progress) {
1014 show_progress(frame_in, frame_out, dx_time);
1015 fprintf(stderr, "\n");
1016 }
1017
1018 if (frames_corrupted) {
1019 fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
1020 } else {
1021 ret = EXIT_SUCCESS;
1022 }
1023
1024fail:
1025
1026 if (aom_codec_destroy(&decoder)) {
1027 fprintf(stderr, "Failed to destroy decoder: %s\n",
1028 aom_codec_error(&decoder));
1029 }
1030
1031fail2:
1032
1033 if (!noblit && single_file) {
1034 if (do_md5) {
1035 MD5Final(md5_digest, &md5_ctx);
1036 print_md5(md5_digest, outfile_name);
1037 } else {
1038 fclose(outfile);
1039 }
1040 }
1041
1042#if CONFIG_WEBM_IO
1043 if (input.aom_input_ctx->file_type == FILE_TYPE_WEBM)
1044 webm_free(input.webm_ctx);
1045#endif
1046 if (input.aom_input_ctx->file_type == FILE_TYPE_OBU)
1047 obudec_free(input.obu_ctx);
1048
1049 if (input.aom_input_ctx->file_type != FILE_TYPE_WEBM) free(buf);
1050
1051 if (scaled_img) aom_img_free(scaled_img);
1052 if (img_shifted) aom_img_free(img_shifted);
1053
1054 for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
1055 free(ext_fb_list.ext_fb[i].data);
1056 }
1057 free(ext_fb_list.ext_fb);
1058
1059 fclose(infile);
1060 if (framestats_file) fclose(framestats_file);
1061
1062 free(argv);
1063
1064 return ret;
1065}
1066
1067int main(int argc, const char **argv_) {
1068 unsigned int loops = 1, i;
1069 char **argv, **argi, **argj;
1070 struct arg arg;
1071 int error = 0;
1072
1073 argv = argv_dup(argc - 1, argv_ + 1);
1074 if (!argv) {
1075 fprintf(stderr, "Error allocating argument list\n");
1076 return EXIT_FAILURE;
1077 }
1078 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
1079 memset(&arg, 0, sizeof(arg));
1080 arg.argv_step = 1;
1081
1082 if (arg_match(&arg, &looparg, argi)) {
1083 loops = arg_parse_uint(&arg);
1084 break;
1085 }
1086 }
1087 free(argv);
1088 for (i = 0; !error && i < loops; i++) error = main_loop(argc, argv_);
1089 return error;
1090}
aom_decoder.h
Describes the decoder algorithm interface to applications.
aom_codec_frame_buffer_t
struct aom_codec_frame_buffer aom_codec_frame_buffer_t
External frame buffer.
AOM_PLANE_U
#define AOM_PLANE_U
Definition aom_image.h:240
AOM_CSP_COLOCATED
@ AOM_CSP_COLOCATED
Definition aom_image.h:159
AOM_PLANE_Y
#define AOM_PLANE_Y
Definition aom_image.h:239
AOM_PLANE_V
#define AOM_PLANE_V
Definition aom_image.h:241
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_IMG_FMT_I42016
@ AOM_IMG_FMT_I42016
Definition aom_image.h:65
AOM_IMG_FMT_I420
@ AOM_IMG_FMT_I420
Definition aom_image.h:45
AOM_IMG_FMT_YV12
@ AOM_IMG_FMT_YV12
Definition aom_image.h:43
aom_image_t
struct aom_image aom_image_t
Image Descriptor.
aom_img_free
void aom_img_free(aom_image_t *img)
Close an image descriptor.
aomdx.h
Provides definitions for using AOM or AV1 within the aom Decoder interface.
AOMD_GET_FRAME_CORRUPTED
@ AOMD_GET_FRAME_CORRUPTED
Codec control function to check if the indicated frame is corrupted, int* parameter.
Definition aomdx.h:204
AV1D_SET_SKIP_FILM_GRAIN
@ AV1D_SET_SKIP_FILM_GRAIN
Codec control function to set the skip film grain flag, int parameter.
Definition aomdx.h:390
AV1D_SET_IS_ANNEXB
@ AV1D_SET_IS_ANNEXB
Codec control function to indicate whether bitstream is in Annex-B format, unsigned int parameter.
Definition aomdx.h:352
AV1D_SET_ROW_MT
@ AV1D_SET_ROW_MT
Codec control function to enable the row based multi-threading of decoding, unsigned int parameter.
Definition aomdx.h:347
AV1D_GET_DISPLAY_SIZE
@ AV1D_GET_DISPLAY_SIZE
Codec control function to get the current frame's intended display dimensions (as specified in the wr...
Definition aomdx.h:225
AV1D_SET_OUTPUT_ALL_LAYERS
@ AV1D_SET_OUTPUT_ALL_LAYERS
Codec control function to indicate whether to output one frame per temporal unit (the default),...
Definition aomdx.h:374
AV1D_SET_OPERATING_POINT
@ AV1D_SET_OPERATING_POINT
Codec control function to indicate which operating point to use, int parameter.
Definition aomdx.h:362
AOMD_GET_LAST_QUANTIZER
@ AOMD_GET_LAST_QUANTIZER
Codec control function to get last decoded frame quantizer, int* parameter.
Definition aomdx.h:297
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_codec_iface_name
const char * aom_codec_iface_name(aom_codec_iface_t *iface)
Return the name for a given interface.
aom_codec_ctx_t
struct aom_codec_ctx aom_codec_ctx_t
Codec context structure.
aom_codec_iface_t
const struct aom_codec_iface aom_codec_iface_t
Codec interface structure.
Definition aom_codec.h:271
aom_codec_error
const char * aom_codec_error(const aom_codec_ctx_t *ctx)
Retrieve error synopsis for codec context.
aom_codec_destroy
aom_codec_err_t aom_codec_destroy(aom_codec_ctx_t *ctx)
Destroy a codec instance.
AOM_CODEC_CONTROL_TYPECHECKED
#define AOM_CODEC_CONTROL_TYPECHECKED(ctx, id, data)
aom_codec_control wrapper macro (adds type-checking, less flexible)
Definition aom_codec.h:542
aom_codec_error_detail
const char * aom_codec_error_detail(const aom_codec_ctx_t *ctx)
Retrieve detailed error information for codec context.
aom_codec_iter_t
const void * aom_codec_iter_t
Iterator.
Definition aom_codec.h:305
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.
aom_codec_stream_info_t
struct aom_codec_stream_info aom_codec_stream_info_t
Initialization-time Feature Enabling.
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_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.
aom_codec_dec_cfg_t
struct aom_codec_dec_cfg aom_codec_dec_cfg_t
Initialization Configurations.
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:133
aom_codec_ctx::name
const char * name
Definition aom_codec.h:316
aom_codec_dec_cfg::threads
unsigned int threads
Definition aom_decoder.h:92
aom_codec_frame_buffer::data
uint8_t * data
Definition aom_frame_buffer.h:41
aom_codec_frame_buffer::size
size_t size
Definition aom_frame_buffer.h:42
aom_codec_frame_buffer::priv
void * priv
Definition aom_frame_buffer.h:43
aom_codec_stream_info::h
unsigned int h
Definition aom_decoder.h:73
aom_codec_stream_info::w
unsigned int w
Definition aom_decoder.h:72
aom_image::bit_depth
unsigned int bit_depth
Definition aom_image.h:223
aom_image::csp
aom_chroma_sample_position_t csp
Definition aom_image.h:217
aom_image::fmt
aom_img_fmt_t fmt
Definition aom_image.h:212
aom_image::stride
int stride[3]
Definition aom_image.h:250
aom_image::d_w
unsigned int d_w
Definition aom_image.h:226
aom_image::monochrome
int monochrome
Definition aom_image.h:216
aom_image::d_h
unsigned int d_h
Definition aom_image.h:227
aom_image::range
aom_color_range_t range
Definition aom_image.h:218
aom_image::planes
unsigned char * planes[3]
Definition aom_image.h:244