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