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;
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,
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,
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 
696  operating_point)) {
697  fprintf(stderr, "Failed to set operating_point: %s\n",
698  aom_codec_error(&decoder));
699  goto fail;
700  }
701 
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 
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;
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 
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];
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 }
#define AOM_PLANE_U
Definition: aom_image.h:200
unsigned int d_h
Definition: aom_image.h:187
#define AOM_PLANE_V
Definition: aom_image.h:201
Codec control function to set the skip film grain flag, int parameter.
Definition: aomdx.h:383
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.
#define AOM_CODEC_CONTROL_TYPECHECKED(ctx, id, data)
aom_codec_control wrapper macro (adds type-checking, less flexible)
Definition: aom_codec.h:520
Codec control function to indicate which operating point to use, int parameter.
Definition: aomdx.h:355
aom_image_t * aom_codec_get_frame(aom_codec_ctx_t *ctx, aom_codec_iter_t *iter)
Decoded frames iterator.
const char * name
Definition: aom_codec.h:299
unsigned char * planes[3]
Definition: aom_image.h:202
Codec control function to indicate whether bitstream is in Annex-B format, unsigned int parameter...
Definition: aomdx.h:345
uint8_t * data
Definition: aom_frame_buffer.h:41
Codec context structure.
Definition: aom_codec.h:298
External frame buffer.
Definition: aom_frame_buffer.h:40
Describes the decoder algorithm interface to applications.
int monochrome
Definition: aom_image.h:176
Image Descriptor.
Definition: aom_image.h:171
aom_image_t * aom_img_alloc(aom_image_t *img, aom_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align)
Open a descriptor, allocating storage for the underlying image.
aom_codec_err_t aom_codec_decode(aom_codec_ctx_t *ctx, const uint8_t *data, size_t data_sz, void *user_priv)
Decode data.
Codec control function to check if the indicated frame is corrupted, int* parameter.
Definition: aomdx.h:204
const struct aom_codec_iface aom_codec_iface_t
Codec interface structure.
Definition: aom_codec.h:254
#define aom_codec_dec_init(ctx, iface, cfg, flags)
Convenience macro for aom_codec_dec_init_ver()
Definition: aom_decoder.h:129
const char * aom_codec_iface_name(aom_codec_iface_t *iface)
Return the name for a given interface.
aom_codec_err_t aom_codec_destroy(aom_codec_ctx_t *ctx)
Destroy a codec instance.
void * priv
Definition: aom_frame_buffer.h:43
void aom_img_free(aom_image_t *img)
Close an image descriptor.
unsigned int h
Definition: aom_decoder.h:73
Codec control function to enable the row based multi-threading of decoding, unsigned int parameter...
Definition: aomdx.h:340
Initialization Configurations.
Definition: aom_decoder.h:91
Codec control function to get last decoded frame quantizer, int* parameter.
Definition: aomdx.h:291
Initialization-time Feature Enabling.
Definition: aom_decoder.h:71
unsigned int w
Definition: aom_decoder.h:72
aom_chroma_sample_position_t csp
Definition: aom_image.h:177
const void * aom_codec_iter_t
Iterator.
Definition: aom_codec.h:288
size_t size
Definition: aom_frame_buffer.h:42
Codec control function to indicate whether to output one frame per temporal unit (the default)...
Definition: aomdx.h:367
Definition: aom_image.h:136
const char * aom_codec_error(aom_codec_ctx_t *ctx)
Retrieve error synopsis for codec context.
Definition: aom_image.h:51
Provides definitions for using AOM or AV1 within the aom Decoder interface.
int stride[3]
Definition: aom_image.h:203
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_color_range_t range
Definition: aom_image.h:178
Definition: aom_image.h:45
const char * aom_codec_error_detail(aom_codec_ctx_t *ctx)
Retrieve detailed error information for codec context.
unsigned int threads
Definition: aom_decoder.h:92
unsigned int bit_depth
Definition: aom_image.h:183
unsigned int d_w
Definition: aom_image.h:186
Codec control function to get the current frame&#39;s intended display dimensions (as specified in the wr...
Definition: aomdx.h:223
Definition: aom_image.h:43
aom_img_fmt_t fmt
Definition: aom_image.h:172
#define AOM_PLANE_Y
Definition: aom_image.h:199