| 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 <stdio.h>
13#include <stdlib.h>
14#include <stdarg.h>
15#include <string.h>
16#include <limits.h>
17
18#include "config/aom_config.h"
19
20#if CONFIG_OS_SUPPORT
21#if HAVE_UNISTD_H
22#include <unistd.h> // NOLINT
23#elif !defined(STDOUT_FILENO)
24#define STDOUT_FILENO 1
25#endif
26#endif
27
28#include "aom/aom_decoder.h"
29#include "aom/aomdx.h"
30#include "aom_ports/aom_timer.h"
31#include "aom_ports/mem_ops.h"
32#include "common/args.h"
33#include "common/ivfdec.h"
34#include "common/md5_utils.h"
35#include "common/obudec.h"
36#include "common/tools_common.h"
37
38#if CONFIG_WEBM_IO
39#include "common/webmdec.h"
40#endif
41
42#include "common/rawenc.h"
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 summaryarg =
79 ARG_DEF(NULL, "summary", 0, "Show timing summary");
80 static const arg_def_t outputfile =
81 ARG_DEF("o", "output", 1, "Output file name pattern (see below)");
82 static const arg_def_t threadsarg =
83 ARG_DEF("t", "threads", 1, "Max threads to use");
84 static const arg_def_t rowmtarg =
85 ARG_DEF(NULL, "row-mt", 1, "Enable row based multi-threading, default: 0");
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 isannexb =
101 ARG_DEF(NULL, "annexb", 0, "Bitstream is in Annex-B format");
102 static const arg_def_t oppointarg = ARG_DEF(
103 NULL, "oppoint", 1, "Select an operating point of a scalable bitstream");
104 static const arg_def_t outallarg = ARG_DEF(
105 NULL, "all-layers", 0, "Output all decoded frames of a scalable bitstream");
106 static const arg_def_t skipfilmgrain =
107 ARG_DEF(NULL, "skip-film-grain", 0, "Skip film grain application");
108
109 static const arg_def_t *all_args[] = {
110 &help, &codecarg, &use_yv12, &use_i420,
111 &flipuvarg, &rawvideo, &noblitarg, &progressarg,
112 &limitarg, &skiparg, &summaryarg, &outputfile,
113 &threadsarg, &rowmtarg, &verbosearg, &scalearg,
114 &fb_arg, &md5arg, &framestatsarg, &continuearg,
115 &outbitdeptharg, &isannexb, &oppointarg, &outallarg,
116 &skipfilmgrain, NULL
117};
118
119#if CONFIG_LIBYUV
120// Returns 0 on success and returns -1 on failure.
121 static inline int libyuv_scale(const aom_image_t *src, aom_image_t *dst,
122 FilterModeEnum mode) {
123 if (src->fmt != dst->fmt) {
124 fprintf(stderr,
125 "%s failed to scale output frame because format changed from %s to "
126 "%s\n",
127 exec_name, image_format_to_string(dst->fmt),
128 image_format_to_string(src->fmt));
129 return -1;
130 }
131 if (src->fmt == AOM_IMG_FMT_I42016) {
132 return I420Scale_16(
133 (uint16_t *)src->planes[AOM_PLANE_Y], src->stride[AOM_PLANE_Y] / 2,
134 (uint16_t *)src->planes[AOM_PLANE_U], src->stride[AOM_PLANE_U] / 2,
135 (uint16_t *)src->planes[AOM_PLANE_V], src->stride[AOM_PLANE_V] / 2,
136 src->d_w, src->d_h, (uint16_t *)dst->planes[AOM_PLANE_Y],
137 dst->stride[AOM_PLANE_Y] / 2, (uint16_t *)dst->planes[AOM_PLANE_U],
138 dst->stride[AOM_PLANE_U] / 2, (uint16_t *)dst->planes[AOM_PLANE_V],
139 dst->stride[AOM_PLANE_V] / 2, dst->d_w, dst->d_h, mode);
140 }
141 if (src->fmt == AOM_IMG_FMT_I420) {
142 return I420Scale(src->planes[AOM_PLANE_Y], src->stride[AOM_PLANE_Y],
143 src->planes[AOM_PLANE_U], src->stride[AOM_PLANE_U],
144 src->planes[AOM_PLANE_V], src->stride[AOM_PLANE_V],
145 src->d_w, src->d_h, dst->planes[AOM_PLANE_Y],
146 dst->stride[AOM_PLANE_Y], dst->planes[AOM_PLANE_U],
147 dst->stride[AOM_PLANE_U], dst->planes[AOM_PLANE_V],
148 dst->stride[AOM_PLANE_V], dst->d_w, dst->d_h, mode);
149 }
150 fprintf(stderr, "%s cannot scale output frame of format %s\n", exec_name,
151 image_format_to_string(src->fmt));
152 return -1;
153}
154#endif
155
156 static void show_help(FILE *fout, int shorthelp) {
157 fprintf(fout, "Usage: %s <options> filename\n\n", exec_name);
158
159 if (shorthelp) {
160 fprintf(fout, "Use --help to see the full list of options.\n");
161 return;
162 }
163
164 fprintf(fout, "Options:\n");
165 arg_show_usage(fout, all_args);
166 fprintf(fout,
167 "\nOutput File Patterns:\n\n"
168 " The -o argument specifies the name of the file(s) to "
169 "write to. If the\n argument does not include any escape "
170 "characters, the output will be\n written to a single file. "
171 "Otherwise, the filename will be calculated by\n expanding "
172 "the following escape characters:\n");
173 fprintf(fout,
174 "\n\t%%w - Frame width"
175 "\n\t%%h - Frame height"
176 "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
177 "\n\n Pattern arguments are only supported in conjunction "
178 "with the --yv12 and\n --i420 options. If the -o option is "
179 "not specified, the output will be\n directed to stdout.\n");
180 fprintf(fout, "\nIncluded decoders:\n\n");
181
182 for (int i = 0; i < get_aom_decoder_count(); ++i) {
183 aom_codec_iface_t *decoder = get_aom_decoder_by_index(i);
184 fprintf(fout, " %-6s - %s\n", get_short_name_by_aom_decoder(decoder),
185 aom_codec_iface_name(decoder));
186 }
187}
188
189 void usage_exit(void) {
190 show_help(stderr, 1);
191 exit(EXIT_FAILURE);
192}
193
194 static int raw_read_frame(struct AvxInputContext *input_ctx, uint8_t **buffer,
195 size_t *bytes_read, size_t *buffer_size) {
196 unsigned char raw_hdr[RAW_FRAME_HDR_SZ];
197 size_t frame_size = 0;
198
199 if (read_from_input(input_ctx, RAW_FRAME_HDR_SZ, raw_hdr) !=
200 RAW_FRAME_HDR_SZ) {
201 if (!input_eof(input_ctx))
202 aom_tools_warn("Failed to read RAW frame size\n");
203 } else {
204 const size_t kCorruptFrameThreshold = 256 * 1024 * 1024;
205 const size_t kFrameTooSmallThreshold = 256 * 1024;
206 frame_size = mem_get_le32(raw_hdr);
207
208 if (frame_size > kCorruptFrameThreshold) {
209 aom_tools_warn("Read invalid frame size (%u)\n",
210 (unsigned int)frame_size);
211 frame_size = 0;
212 }
213
214 if (frame_size < kFrameTooSmallThreshold) {
215 aom_tools_warn(
216 "Warning: Read invalid frame size (%u) - not a raw file?\n",
217 (unsigned int)frame_size);
218 }
219
220 if (frame_size > *buffer_size) {
221 uint8_t *new_buf = realloc(*buffer, 2 * frame_size);
222 if (new_buf) {
223 *buffer = new_buf;
224 *buffer_size = 2 * frame_size;
225 } else {
226 aom_tools_warn("Failed to allocate compressed data buffer\n");
227 frame_size = 0;
228 }
229 }
230 }
231
232 if (!input_eof(input_ctx)) {
233 if (read_from_input(input_ctx, frame_size, *buffer) != frame_size) {
234 aom_tools_warn("Failed to read full frame\n");
235 return 1;
236 }
237 *bytes_read = frame_size;
238 }
239
240 return 0;
241}
242
243 static int read_frame(struct AvxDecInputContext *input, uint8_t **buf,
244 size_t *bytes_in_buffer, size_t *buffer_size) {
245 switch (input->aom_input_ctx->file_type) {
246#if CONFIG_WEBM_IO
247 case FILE_TYPE_WEBM:
248 return webm_read_frame(input->webm_ctx, buf, bytes_in_buffer,
249 buffer_size);
250#endif
251 case FILE_TYPE_RAW:
252 return raw_read_frame(input->aom_input_ctx, buf, bytes_in_buffer,
253 buffer_size);
254 case FILE_TYPE_IVF:
255 return ivf_read_frame(input->aom_input_ctx, buf, bytes_in_buffer,
256 buffer_size, NULL);
257 case FILE_TYPE_OBU:
258 return obudec_read_temporal_unit(input->obu_ctx, buf, bytes_in_buffer,
259 buffer_size);
260 default: return 1;
261 }
262}
263
264 static int file_is_raw(struct AvxInputContext *input) {
265 uint8_t buf[32];
266 int is_raw = 0;
267 aom_codec_stream_info_t si;
268 memset(&si, 0, sizeof(si));
269
270 if (buffer_input(input, 32, buf, /*buffered=*/true) == 32) {
271 int i;
272
273 if (mem_get_le32(buf) < 256 * 1024 * 1024) {
274 for (i = 0; i < get_aom_decoder_count(); ++i) {
275 aom_codec_iface_t *decoder = get_aom_decoder_by_index(i);
276 if (!aom_codec_peek_stream_info(decoder, buf + 4, 32 - 4, &si)) {
277 is_raw = 1;
278 input->fourcc = get_fourcc_by_aom_decoder(decoder);
279 input->width = si.w;
280 input->height = si.h;
281 input->framerate.numerator = 30;
282 input->framerate.denominator = 1;
283 break;
284 }
285 }
286 }
287 }
288
289 rewind_detect(input);
290 return is_raw;
291}
292
293 static void show_progress(int frame_in, int frame_out, uint64_t dx_time) {
294 fprintf(stderr,
295 "%d decoded frames/%d showed frames in %" PRId64 " us (%.2f fps)\r",
296 frame_in, frame_out, dx_time,
297 (double)frame_out * 1000000.0 / (double)dx_time);
298}
299
300 struct ExternalFrameBuffer {
301 uint8_t *data;
302 size_t size;
303 int in_use;
304};
305
306 struct ExternalFrameBufferList {
307 int num_external_frame_buffers;
308 struct ExternalFrameBuffer *ext_fb;
309};
310
311// Callback used by libaom to request an external frame buffer. |cb_priv|
312// Application private data passed into the set function. |min_size| is the
313// minimum size in bytes needed to decode the next frame. |fb| pointer to the
314// frame buffer.
315 static int get_av1_frame_buffer(void *cb_priv, size_t min_size,
316 aom_codec_frame_buffer_t *fb) {
317 int i;
318 struct ExternalFrameBufferList *const ext_fb_list =
319 (struct ExternalFrameBufferList *)cb_priv;
320 if (ext_fb_list == NULL) return -1;
321
322 // Find a free frame buffer.
323 for (i = 0; i < ext_fb_list->num_external_frame_buffers; ++i) {
324 if (!ext_fb_list->ext_fb[i].in_use) break;
325 }
326
327 if (i == ext_fb_list->num_external_frame_buffers) return -1;
328
329 if (ext_fb_list->ext_fb[i].size < min_size) {
330 free(ext_fb_list->ext_fb[i].data);
331 ext_fb_list->ext_fb[i].data = (uint8_t *)calloc(min_size, sizeof(uint8_t));
332 if (!ext_fb_list->ext_fb[i].data) return -1;
333
334 ext_fb_list->ext_fb[i].size = min_size;
335 }
336
337 fb->data = ext_fb_list->ext_fb[i].data;
338 fb->size = ext_fb_list->ext_fb[i].size;
339 ext_fb_list->ext_fb[i].in_use = 1;
340
341 // Set the frame buffer's private data to point at the external frame buffer.
342 fb->priv = &ext_fb_list->ext_fb[i];
343 return 0;
344}
345
346// Callback used by libaom when there are no references to the frame buffer.
347// |cb_priv| user private data passed into the set function. |fb| pointer
348// to the frame buffer.
349 static int release_av1_frame_buffer(void *cb_priv,
350 aom_codec_frame_buffer_t *fb) {
351 struct ExternalFrameBuffer *const ext_fb =
352 (struct ExternalFrameBuffer *)fb->priv;
353 (void)cb_priv;
354 ext_fb->in_use = 0;
355 return 0;
356}
357
358 static void generate_filename(const char *pattern, char *out, size_t q_len,
359 unsigned int d_w, unsigned int d_h,
360 unsigned int frame_in) {
361 const char *p = pattern;
362 char *q = out;
363
364 do {
365 char *next_pat = strchr(p, '%');
366
367 if (p == next_pat) {
368 size_t pat_len;
369
370 /* parse the pattern */
371 q[q_len - 1] = '\0';
372 switch (p[1]) {
373 case 'w': snprintf(q, q_len - 1, "%d", d_w); break;
374 case 'h': snprintf(q, q_len - 1, "%d", d_h); break;
375 case '1': snprintf(q, q_len - 1, "%d", frame_in); break;
376 case '2': snprintf(q, q_len - 1, "%02d", frame_in); break;
377 case '3': snprintf(q, q_len - 1, "%03d", frame_in); break;
378 case '4': snprintf(q, q_len - 1, "%04d", frame_in); break;
379 case '5': snprintf(q, q_len - 1, "%05d", frame_in); break;
380 case '6': snprintf(q, q_len - 1, "%06d", frame_in); break;
381 case '7': snprintf(q, q_len - 1, "%07d", frame_in); break;
382 case '8': snprintf(q, q_len - 1, "%08d", frame_in); break;
383 case '9': snprintf(q, q_len - 1, "%09d", frame_in); break;
384 default: die("Unrecognized pattern %%%c\n", p[1]);
385 }
386
387 pat_len = strlen(q);
388 if (pat_len >= q_len - 1) die("Output filename too long.\n");
389 q += pat_len;
390 p += 2;
391 q_len -= pat_len;
392 } else {
393 size_t copy_len;
394
395 /* copy the next segment */
396 if (!next_pat)
397 copy_len = strlen(p);
398 else
399 copy_len = next_pat - p;
400
401 if (copy_len >= q_len - 1) die("Output filename too long.\n");
402
403 memcpy(q, p, copy_len);
404 q[copy_len] = '\0';
405 q += copy_len;
406 p += copy_len;
407 q_len -= copy_len;
408 }
409 } while (*p);
410}
411
412 static int is_single_file(const char *outfile_pattern) {
413 const char *p = outfile_pattern;
414
415 do {
416 p = strchr(p, '%');
417 if (p && p[1] >= '1' && p[1] <= '9')
418 return 0; // pattern contains sequence number, so it's not unique
419 if (p) p++;
420 } while (p);
421
422 return 1;
423}
424
425 static void print_md5(unsigned char digest[16], const char *filename) {
426 int i;
427
428 for (i = 0; i < 16; ++i) printf("%02x", digest[i]);
429 printf(" %s\n", filename);
430}
431
432 static FILE *open_outfile(const char *name) {
433 if (strcmp("-", name) == 0) {
434 set_binary_mode(stdout);
435 return stdout;
436 } else {
437 FILE *file = fopen(name, "wb");
438 if (!file) fatal("Failed to open output file '%s'", name);
439 return file;
440 }
441}
442
443 static int main_loop(int argc, const char **argv_) {
444 aom_codec_ctx_t decoder;
445 char *fn = NULL;
446 int i;
447 int ret = EXIT_FAILURE;
448 uint8_t *buf = NULL;
449 size_t bytes_in_buffer = 0, buffer_size = 0;
450 FILE *infile;
451 int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
452 int do_md5 = 0, progress = 0;
453 int stop_after = 0, summary = 0, quiet = 1;
454 int arg_skip = 0;
455 int keep_going = 0;
456 uint64_t dx_time = 0;
457 struct arg arg;
458 char **argv, **argi, **argj;
459
460 int single_file;
461 int use_y4m = 1;
462 int opt_yv12 = 0;
463 int opt_i420 = 0;
464 int opt_raw = 0;
465 aom_codec_dec_cfg_t cfg = { 0, 0, 0, !FORCE_HIGHBITDEPTH_DECODING };
466 unsigned int fixed_output_bit_depth = 0;
467 unsigned int is_annexb = 0;
468 int frames_corrupted = 0;
469 int dec_flags = 0;
470 int do_scale = 0;
471 int operating_point = 0;
472 int output_all_layers = 0;
473 int skip_film_grain = 0;
474 int enable_row_mt = 0;
475 aom_image_t *scaled_img = NULL;
476 aom_image_t *img_shifted = NULL;
477 int frame_avail, got_data, flush_decoder = 0;
478 int num_external_frame_buffers = 0;
479 struct ExternalFrameBufferList ext_fb_list = { 0, NULL };
480
481 const char *outfile_pattern = NULL;
482 char outfile_name[PATH_MAX] = { 0 };
483 FILE *outfile = NULL;
484
485 FILE *framestats_file = NULL;
486
487 MD5Context md5_ctx;
488 unsigned char md5_digest[16];
489
490 struct AvxDecInputContext input = { NULL, NULL, NULL };
491 struct AvxInputContext aom_input_ctx;
492 memset(&aom_input_ctx, 0, sizeof(aom_input_ctx));
493#if CONFIG_WEBM_IO
494 struct WebmInputContext webm_ctx;
495 memset(&webm_ctx, 0, sizeof(webm_ctx));
496 input.webm_ctx = &webm_ctx;
497#endif
498 struct ObuDecInputContext obu_ctx = { NULL, NULL, 0, 0, 0 };
499 int is_ivf = 0;
500
501 obu_ctx.avx_ctx = &aom_input_ctx;
502 input.obu_ctx = &obu_ctx;
503 input.aom_input_ctx = &aom_input_ctx;
504
505 /* Parse command line */
506 exec_name = argv_[0];
507 argv = argv_dup(argc - 1, argv_ + 1);
508 if (!argv) {
509 fprintf(stderr, "Error allocating argument list\n");
510 return EXIT_FAILURE;
511 }
512
513 aom_codec_iface_t *interface = NULL;
514 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
515 memset(&arg, 0, sizeof(arg));
516 arg.argv_step = 1;
517
518 if (arg_match(&arg, &help, argi)) {
519 show_help(stdout, 0);
520 exit(EXIT_SUCCESS);
521 } else if (arg_match(&arg, &codecarg, argi)) {
522 interface = get_aom_decoder_by_short_name(arg.val);
523 if (!interface)
524 die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
525 } else if (arg_match(&arg, &looparg, argi)) {
526 // no-op
527 } else if (arg_match(&arg, &outputfile, argi)) {
528 outfile_pattern = arg.val;
529 } else if (arg_match(&arg, &use_yv12, argi)) {
530 use_y4m = 0;
531 flipuv = 1;
532 opt_yv12 = 1;
533 opt_i420 = 0;
534 opt_raw = 0;
535 } else if (arg_match(&arg, &use_i420, argi)) {
536 use_y4m = 0;
537 flipuv = 0;
538 opt_yv12 = 0;
539 opt_i420 = 1;
540 opt_raw = 0;
541 } else if (arg_match(&arg, &rawvideo, argi)) {
542 use_y4m = 0;
543 opt_yv12 = 0;
544 opt_i420 = 0;
545 opt_raw = 1;
546 } else if (arg_match(&arg, &flipuvarg, argi)) {
547 flipuv = 1;
548 } else if (arg_match(&arg, &noblitarg, argi)) {
549 noblit = 1;
550 } else if (arg_match(&arg, &progressarg, argi)) {
551 progress = 1;
552 } else if (arg_match(&arg, &limitarg, argi)) {
553 stop_after = arg_parse_uint(&arg);
554 } else if (arg_match(&arg, &skiparg, argi)) {
555 arg_skip = arg_parse_uint(&arg);
556 } else if (arg_match(&arg, &md5arg, argi)) {
557 do_md5 = 1;
558 } else if (arg_match(&arg, &framestatsarg, argi)) {
559 framestats_file = fopen(arg.val, "w");
560 if (!framestats_file) {
561 die("Error: Could not open --framestats file (%s) for writing.\n",
562 arg.val);
563 }
564 } else if (arg_match(&arg, &summaryarg, argi)) {
565 summary = 1;
566 } else if (arg_match(&arg, &threadsarg, argi)) {
567 cfg.threads = arg_parse_uint(&arg);
568#if !CONFIG_MULTITHREAD
569 if (cfg.threads > 1) {
570 die("Error: --threads=%d is not supported when CONFIG_MULTITHREAD = "
571 "0.\n",
572 cfg.threads);
573 }
574#endif
575 } else if (arg_match(&arg, &rowmtarg, argi)) {
576 enable_row_mt = arg_parse_uint(&arg);
577 } else if (arg_match(&arg, &verbosearg, argi)) {
578 quiet = 0;
579 } else if (arg_match(&arg, &scalearg, argi)) {
580 do_scale = 1;
581 } else if (arg_match(&arg, &fb_arg, argi)) {
582 num_external_frame_buffers = arg_parse_uint(&arg);
583 } else if (arg_match(&arg, &continuearg, argi)) {
584 keep_going = 1;
585 } else if (arg_match(&arg, &outbitdeptharg, argi)) {
586 fixed_output_bit_depth = arg_parse_uint(&arg);
587 } else if (arg_match(&arg, &isannexb, argi)) {
588 is_annexb = 1;
589 input.obu_ctx->is_annexb = 1;
590 } else if (arg_match(&arg, &oppointarg, argi)) {
591 operating_point = arg_parse_int(&arg);
592 } else if (arg_match(&arg, &outallarg, argi)) {
593 output_all_layers = 1;
594 } else if (arg_match(&arg, &skipfilmgrain, argi)) {
595 skip_film_grain = 1;
596 } else {
597 argj++;
598 }
599 }
600
601 /* Check for unrecognized options */
602 for (argi = argv; *argi; argi++)
603 if (argi[0][0] == '-' && strlen(argi[0]) > 1)
604 die("Error: Unrecognized option %s\n", *argi);
605
606 /* Handle non-option arguments */
607 fn = argv[0];
608
609 if (!fn) {
610 free(argv);
611 fprintf(stderr, "No input file specified!\n");
612 usage_exit();
613 }
614
615 const bool using_file = strcmp(fn, "-") != 0;
616 /* Open file */
617 infile = using_file ? fopen(fn, "rb") : set_binary_mode(stdin);
618
619 if (!infile) {
620 fatal("Failed to open input file '%s'", using_file ? fn : "stdin");
621 }
622#if CONFIG_OS_SUPPORT
623 /* Make sure we don't dump to the terminal, unless forced to with -o - */
624 if (!outfile_pattern && isatty(STDOUT_FILENO) && !do_md5 && !noblit) {
625 fprintf(stderr,
626 "Not dumping raw video to your terminal. Use '-o -' to "
627 "override.\n");
628 free(argv);
629 return EXIT_FAILURE;
630 }
631#endif
632 input.aom_input_ctx->filename = fn;
633 input.aom_input_ctx->file = infile;
634
635 // TODO(https://crbug.com/aomedia/1706): webm type does not support reading
636 // from stdin yet, and file_is_webm is not using the detect buffer when
637 // determining the type. Therefore it should only be checked when using a file
638 // and needs to be checked prior to other types.
639 if (false) {
640#if CONFIG_WEBM_IO
641 } else if (using_file && file_is_webm(input.webm_ctx, input.aom_input_ctx)) {
642 input.aom_input_ctx->file_type = FILE_TYPE_WEBM;
643#endif
644 } else if (file_is_ivf(input.aom_input_ctx)) {
645 input.aom_input_ctx->file_type = FILE_TYPE_IVF;
646 is_ivf = 1;
647 } else if (file_is_obu(&obu_ctx)) {
648 input.aom_input_ctx->file_type = FILE_TYPE_OBU;
649 } else if (file_is_raw(input.aom_input_ctx)) {
650 input.aom_input_ctx->file_type = FILE_TYPE_RAW;
651 } else {
652 fprintf(stderr, "Unrecognized input file type.\n");
653#if CONFIG_WEBM_IO
654 if (!using_file) {
655 fprintf(stderr, "aomdec does not support piped WebM input.\n");
656 }
657#else
658 fprintf(stderr, "aomdec was built without WebM container support.\n");
659#endif
660 free(argv);
661 return EXIT_FAILURE;
662 }
663
664 outfile_pattern = outfile_pattern ? outfile_pattern : "-";
665 single_file = is_single_file(outfile_pattern);
666
667 if (!noblit && single_file) {
668 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
669 aom_input_ctx.width, aom_input_ctx.height, 0);
670 if (do_md5)
671 MD5Init(&md5_ctx);
672 else
673 outfile = open_outfile(outfile_name);
674 }
675
676 if (use_y4m && !noblit) {
677 if (!single_file) {
678 fprintf(stderr,
679 "YUV4MPEG2 not supported with output patterns,"
680 " try --i420 or --yv12 or --rawvideo.\n");
681 return EXIT_FAILURE;
682 }
683
684#if CONFIG_WEBM_IO
685 if (aom_input_ctx.file_type == FILE_TYPE_WEBM) {
686 if (webm_guess_framerate(input.webm_ctx, input.aom_input_ctx)) {
687 fprintf(stderr,
688 "Failed to guess framerate -- error parsing "
689 "webm file?\n");
690 return EXIT_FAILURE;
691 }
692 }
693#endif
694 }
695
696 aom_codec_iface_t *fourcc_interface =
697 get_aom_decoder_by_fourcc(aom_input_ctx.fourcc);
698
699 if (is_ivf && !fourcc_interface)
700 fatal("Unsupported fourcc: %x\n", aom_input_ctx.fourcc);
701
702 if (interface && fourcc_interface && interface != fourcc_interface)
703 aom_tools_warn("Header indicates codec: %s\n",
704 aom_codec_iface_name(fourcc_interface));
705 else
706 interface = fourcc_interface;
707
708 if (!interface) interface = get_aom_decoder_by_index(0);
709
710 dec_flags = 0;
711 if (aom_codec_dec_init(&decoder, interface, &cfg, dec_flags)) {
712 fprintf(stderr, "Failed to initialize decoder: %s\n",
713 aom_codec_error(&decoder));
714 goto fail2;
715 }
716
717 if (!quiet) fprintf(stderr, "%s\n", decoder.name);
718
719 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_IS_ANNEXB, is_annexb)) {
720 fprintf(stderr, "Failed to set is_annexb: %s\n", aom_codec_error(&decoder));
721 goto fail;
722 }
723
724 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_OPERATING_POINT,
725 operating_point)) {
726 fprintf(stderr, "Failed to set operating_point: %s\n",
727 aom_codec_error(&decoder));
728 goto fail;
729 }
730
731 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_OUTPUT_ALL_LAYERS,
732 output_all_layers)) {
733 fprintf(stderr, "Failed to set output_all_layers: %s\n",
734 aom_codec_error(&decoder));
735 goto fail;
736 }
737
738 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_SKIP_FILM_GRAIN,
739 skip_film_grain)) {
740 fprintf(stderr, "Failed to set skip_film_grain: %s\n",
741 aom_codec_error(&decoder));
742 goto fail;
743 }
744
745 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_SET_ROW_MT, enable_row_mt)) {
746 fprintf(stderr, "Failed to set row multithreading mode: %s\n",
747 aom_codec_error(&decoder));
748 goto fail;
749 }
750
751 if (arg_skip) fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
752 while (arg_skip) {
753 if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) break;
754 arg_skip--;
755 }
756
757 if (num_external_frame_buffers > 0) {
758 ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
759 ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
760 num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
761 if (!ext_fb_list.ext_fb) {
762 fprintf(stderr, "Failed to allocate ExternalFrameBuffer\n");
763 goto fail;
764 }
765 if (aom_codec_set_frame_buffer_functions(&decoder, get_av1_frame_buffer,
766 release_av1_frame_buffer,
767 &ext_fb_list)) {
768 fprintf(stderr, "Failed to configure external frame buffers: %s\n",
769 aom_codec_error(&decoder));
770 goto fail;
771 }
772 }
773
774 frame_avail = 1;
775 got_data = 0;
776
777 if (framestats_file) fprintf(framestats_file, "bytes,qp\r\n");
778
779 /* Decode file */
780 while (frame_avail || got_data) {
781 aom_codec_iter_t iter = NULL;
782 aom_image_t *img;
783 struct aom_usec_timer timer;
784 int corrupted = 0;
785
786 frame_avail = 0;
787 if (!stop_after || frame_in < stop_after) {
788 if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
789 frame_avail = 1;
790 frame_in++;
791
792 aom_usec_timer_start(&timer);
793
794 if (aom_codec_decode(&decoder, buf, bytes_in_buffer, NULL)) {
795 const char *detail = aom_codec_error_detail(&decoder);
796 aom_tools_warn("Failed to decode frame %d: %s", frame_in,
797 aom_codec_error(&decoder));
798
799 if (detail) aom_tools_warn("Additional information: %s", detail);
800 if (!keep_going) goto fail;
801 }
802
803 if (framestats_file) {
804 int qp;
805 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AOMD_GET_LAST_QUANTIZER,
806 &qp)) {
807 aom_tools_warn("Failed AOMD_GET_LAST_QUANTIZER: %s",
808 aom_codec_error(&decoder));
809 if (!keep_going) goto fail;
810 }
811 fprintf(framestats_file, "%d,%d\r\n", (int)bytes_in_buffer, qp);
812 }
813
814 aom_usec_timer_mark(&timer);
815 dx_time += aom_usec_timer_elapsed(&timer);
816 } else {
817 flush_decoder = 1;
818 }
819 } else {
820 flush_decoder = 1;
821 }
822
823 aom_usec_timer_start(&timer);
824
825 if (flush_decoder) {
826 // Flush the decoder.
827 if (aom_codec_decode(&decoder, NULL, 0, NULL)) {
828 aom_tools_warn("Failed to flush decoder: %s",
829 aom_codec_error(&decoder));
830 }
831 }
832
833 aom_usec_timer_mark(&timer);
834 dx_time += aom_usec_timer_elapsed(&timer);
835
836 got_data = 0;
837 // TODO(aomedia:3519): Change the prototype of aom_codec_get_frame_fn_t to
838 // facilitate error handling.
839 while ((img = aom_codec_get_frame(&decoder, &iter))) {
840 ++frame_out;
841 got_data = 1;
842
843 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AOMD_GET_FRAME_CORRUPTED,
844 &corrupted)) {
845 aom_tools_warn("Failed AOM_GET_FRAME_CORRUPTED: %s",
846 aom_codec_error(&decoder));
847 if (!keep_going) goto fail;
848 }
849 frames_corrupted += corrupted;
850
851 if (progress) show_progress(frame_in, frame_out, dx_time);
852
853 if (!noblit) {
854 const int PLANES_YUV[] = { AOM_PLANE_Y, AOM_PLANE_U, AOM_PLANE_V };
855 const int PLANES_YVU[] = { AOM_PLANE_Y, AOM_PLANE_V, AOM_PLANE_U };
856 const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
857
858 if (do_scale) {
859 if (frame_out == 1) {
860 // If the output frames are to be scaled to a fixed display size
861 // then use the width and height specified in the container. If
862 // either of these is set to 0, use the display size set in the
863 // first frame header. If that is unavailable, use the raw decoded
864 // size of the first decoded frame.
865 int render_width = aom_input_ctx.width;
866 int render_height = aom_input_ctx.height;
867 if (!render_width || !render_height) {
868 int render_size[2];
869 if (AOM_CODEC_CONTROL_TYPECHECKED(&decoder, AV1D_GET_DISPLAY_SIZE,
870 render_size)) {
871 // As last resort use size of first frame as display size.
872 render_width = img->d_w;
873 render_height = img->d_h;
874 } else {
875 render_width = render_size[0];
876 render_height = render_size[1];
877 }
878 }
879 scaled_img =
880 aom_img_alloc(NULL, img->fmt, render_width, render_height, 16);
881 if (!scaled_img) {
882 fprintf(stderr, "Failed to allocate scaled image (%d x %d)\n",
883 render_width, render_height);
884 goto fail;
885 }
886 scaled_img->bit_depth = img->bit_depth;
887 scaled_img->monochrome = img->monochrome;
888 scaled_img->csp = img->csp;
889 }
890
891 if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
892#if CONFIG_LIBYUV
893 if (libyuv_scale(img, scaled_img, kFilterBox) != 0) goto fail;
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 unsigned int output_bit_depth;
908 if (!fixed_output_bit_depth && single_file) {
909 output_bit_depth = img->bit_depth;
910 } else {
911 output_bit_depth = fixed_output_bit_depth;
912 }
913 // Shift up or down if necessary
914 if (output_bit_depth != 0) {
915 if (!aom_shift_img(output_bit_depth, &img, &img_shifted)) {
916 fprintf(stderr, "Error allocating image\n");
917 goto fail;
918 }
919 }
920
921 aom_input_ctx.width = img->d_w;
922 aom_input_ctx.height = img->d_h;
923
924 int num_planes = (opt_raw && img->monochrome) ? 1 : 3;
925 if (single_file) {
926 if (use_y4m) {
927 char y4m_buf[Y4M_BUFFER_SIZE] = { 0 };
928 size_t len = 0;
929 if (frame_out == 1) {
930 // Y4M file header
931 len = y4m_write_file_header(
932 y4m_buf, sizeof(y4m_buf), aom_input_ctx.width,
933 aom_input_ctx.height, &aom_input_ctx.framerate,
934 img->monochrome, img->csp, img->fmt, img->bit_depth,
935 img->range);
936 if (img->csp == AOM_CSP_COLOCATED) {
937 fprintf(stderr,
938 "Warning: Y4M lacks a colorspace for colocated "
939 "chroma. Using a placeholder.\n");
940 }
941 if (do_md5) {
942 MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
943 } else {
944 fputs(y4m_buf, outfile);
945 }
946 }
947
948 // Y4M frame header
949 len = y4m_write_frame_header(y4m_buf, sizeof(y4m_buf));
950 if (do_md5) {
951 MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
952 y4m_update_image_md5(img, planes, &md5_ctx);
953 } else {
954 fputs(y4m_buf, outfile);
955 y4m_write_image_file(img, planes, outfile);
956 }
957 } else {
958 if (frame_out == 1) {
959 // Check if --yv12 or --i420 options are consistent with the
960 // bit-stream decoded
961 if (opt_i420) {
962 if (img->fmt != AOM_IMG_FMT_I420 &&
963 img->fmt != AOM_IMG_FMT_I42016) {
964 fprintf(stderr,
965 "Cannot produce i420 output for bit-stream.\n");
966 goto fail;
967 }
968 }
969 if (opt_yv12) {
970 if ((img->fmt != AOM_IMG_FMT_I420 &&
971 img->fmt != AOM_IMG_FMT_YV12) ||
972 img->bit_depth != 8) {
973 fprintf(stderr,
974 "Cannot produce yv12 output for bit-stream.\n");
975 goto fail;
976 }
977 }
978 }
979 if (do_md5) {
980 raw_update_image_md5(img, planes, num_planes, &md5_ctx);
981 } else {
982 raw_write_image_file(img, planes, num_planes, outfile);
983 }
984 }
985 } else {
986 generate_filename(outfile_pattern, outfile_name, PATH_MAX, img->d_w,
987 img->d_h, frame_in);
988 if (do_md5) {
989 MD5Init(&md5_ctx);
990 if (use_y4m) {
991 y4m_update_image_md5(img, planes, &md5_ctx);
992 } else {
993 raw_update_image_md5(img, planes, num_planes, &md5_ctx);
994 }
995 MD5Final(md5_digest, &md5_ctx);
996 print_md5(md5_digest, outfile_name);
997 } else {
998 outfile = open_outfile(outfile_name);
999 if (use_y4m) {
1000 y4m_write_image_file(img, planes, outfile);
1001 } else {
1002 raw_write_image_file(img, planes, num_planes, outfile);
1003 }
1004 fclose(outfile);
1005 }
1006 }
1007 }
1008 }
1009 }
1010
1011 if (summary || progress) {
1012 show_progress(frame_in, frame_out, dx_time);
1013 fprintf(stderr, "\n");
1014 }
1015
1016 if (frames_corrupted) {
1017 fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
1018 } else {
1019 ret = EXIT_SUCCESS;
1020 }
1021
1022fail:
1023
1024 if (aom_codec_destroy(&decoder)) {
1025 fprintf(stderr, "Failed to destroy decoder: %s\n",
1026 aom_codec_error(&decoder));
1027 }
1028
1029fail2:
1030
1031 if (!noblit && single_file) {
1032 if (do_md5) {
1033 MD5Final(md5_digest, &md5_ctx);
1034 print_md5(md5_digest, outfile_name);
1035 } else {
1036 fclose(outfile);
1037 }
1038 }
1039
1040#if CONFIG_WEBM_IO
1041 if (input.aom_input_ctx->file_type == FILE_TYPE_WEBM)
1042 webm_free(input.webm_ctx);
1043#endif
1044 if (input.aom_input_ctx->file_type == FILE_TYPE_OBU)
1045 obudec_free(input.obu_ctx);
1046
1047 if (input.aom_input_ctx->file_type != FILE_TYPE_WEBM) free(buf);
1048
1049 if (scaled_img) aom_img_free(scaled_img);
1050 if (img_shifted) aom_img_free(img_shifted);
1051
1052 for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
1053 free(ext_fb_list.ext_fb[i].data);
1054 }
1055 free(ext_fb_list.ext_fb);
1056
1057 fclose(infile);
1058 if (framestats_file) fclose(framestats_file);
1059
1060 free(argv);
1061
1062 return ret;
1063}
1064
1065 int main(int argc, const char **argv_) {
1066 unsigned int loops = 1, i;
1067 char **argv, **argi, **argj;
1068 struct arg arg;
1069 int error = 0;
1070
1071 argv = argv_dup(argc - 1, argv_ + 1);
1072 if (!argv) {
1073 fprintf(stderr, "Error allocating argument list\n");
1074 return EXIT_FAILURE;
1075 }
1076 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
1077 memset(&arg, 0, sizeof(arg));
1078 arg.argv_step = 1;
1079
1080 if (arg_match(&arg, &looparg, argi)) {
1081 loops = arg_parse_uint(&arg);
1082 break;
1083 }
1084 }
1085 free(argv);
1086 for (i = 0; !error && i < loops; i++) error = main_loop(argc, argv_);
1087 return error;
1088}
aom_decoder.h
Describes the decoder algorithm interface to applications.
AOM_PLANE_U
#define AOM_PLANE_U
Definition aom_image.h:211
AOM_CSP_COLOCATED
@ AOM_CSP_COLOCATED
Definition aom_image.h:146
AOM_PLANE_Y
#define AOM_PLANE_Y
Definition aom_image.h:210
AOM_PLANE_V
#define AOM_PLANE_V
Definition aom_image.h:212
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:56
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_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_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_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_init
#define aom_codec_dec_init(ctx, iface, cfg, flags)
Convenience macro for aom_codec_dec_init_ver()
Definition aom_decoder.h:129
aom_codec_ctx
Codec context structure.
Definition aom_codec.h:315
aom_codec_ctx::name
const char * name
Definition aom_codec.h:316
aom_codec_dec_cfg
Initialization Configurations.
Definition aom_decoder.h:91
aom_codec_dec_cfg::threads
unsigned int threads
Definition aom_decoder.h:92
aom_codec_frame_buffer
External frame buffer.
Definition aom_frame_buffer.h:40
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
Initialization-time Feature Enabling.
Definition aom_decoder.h:71
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
Image Descriptor.
Definition aom_image.h:182
aom_image::bit_depth
unsigned int bit_depth
Definition aom_image.h:194
aom_image::csp
aom_chroma_sample_position_t csp
Definition aom_image.h:188
aom_image::fmt
aom_img_fmt_t fmt
Definition aom_image.h:183
aom_image::stride
int stride[3]
Definition aom_image.h:216
aom_image::d_w
unsigned int d_w
Definition aom_image.h:197
aom_image::monochrome
int monochrome
Definition aom_image.h:187
aom_image::d_h
unsigned int d_h
Definition aom_image.h:198
aom_image::range
aom_color_range_t range
Definition aom_image.h:189
aom_image::planes
unsigned char * planes[3]
Definition aom_image.h:215