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