WebM Codec SDK
vpxdec
1 /*
2  * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3  *
4  * Use of this source code is governed by a BSD-style license
5  * that can be found in the LICENSE file in the root of the source
6  * tree. An additional intellectual property rights grant can be found
7  * in the file PATENTS. All contributing project authors may
8  * be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include <assert.h>
12 #include <limits.h>
13 #include <stdarg.h>
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <string.h>
17 
18 #include "./vpx_config.h"
19 
20 #if CONFIG_LIBYUV
21 #include "third_party/libyuv/include/libyuv/scale.h"
22 #endif
23 
24 #include "./args.h"
25 #include "./ivfdec.h"
26 
27 #include "vpx/vpx_decoder.h"
28 #include "vpx_ports/mem_ops.h"
29 #include "vpx_ports/vpx_timer.h"
30 
31 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
32 #include "vpx/vp8dx.h"
33 #endif
34 
35 #include "./md5_utils.h"
36 
37 #include "./tools_common.h"
38 #if CONFIG_WEBM_IO
39 #include "./webmdec.h"
40 #endif
41 #include "./y4menc.h"
42 
43 static const char *exec_name;
44 
45 struct VpxDecInputContext {
46  struct VpxInputContext *vpx_input_ctx;
47  struct WebmInputContext *webm_ctx;
48 };
49 
50 static const arg_def_t looparg =
51  ARG_DEF(NULL, "loops", 1, "Number of times to decode the file");
52 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1, "Codec to use");
53 static const arg_def_t use_yv12 =
54  ARG_DEF(NULL, "yv12", 0, "Output raw YV12 frames");
55 static const arg_def_t use_i420 =
56  ARG_DEF(NULL, "i420", 0, "Output raw I420 frames");
57 static const arg_def_t flipuvarg =
58  ARG_DEF(NULL, "flipuv", 0, "Flip the chroma planes in the output");
59 static const arg_def_t rawvideo =
60  ARG_DEF(NULL, "rawvideo", 0, "Output raw YUV frames");
61 static const arg_def_t noblitarg =
62  ARG_DEF(NULL, "noblit", 0, "Don't process the decoded frames");
63 static const arg_def_t progressarg =
64  ARG_DEF(NULL, "progress", 0, "Show progress after each frame decodes");
65 static const arg_def_t limitarg =
66  ARG_DEF(NULL, "limit", 1, "Stop decoding after n frames");
67 static const arg_def_t skiparg =
68  ARG_DEF(NULL, "skip", 1, "Skip the first n input frames");
69 static const arg_def_t postprocarg =
70  ARG_DEF(NULL, "postproc", 0, "Postprocess decoded frames");
71 static const arg_def_t summaryarg =
72  ARG_DEF(NULL, "summary", 0, "Show timing summary");
73 static const arg_def_t outputfile =
74  ARG_DEF("o", "output", 1, "Output file name pattern (see below)");
75 static const arg_def_t threadsarg =
76  ARG_DEF("t", "threads", 1, "Max threads to use");
77 static const arg_def_t frameparallelarg =
78  ARG_DEF(NULL, "frame-parallel", 0, "Frame parallel decode");
79 static const arg_def_t verbosearg =
80  ARG_DEF("v", "verbose", 0, "Show version string");
81 static const arg_def_t error_concealment =
82  ARG_DEF(NULL, "error-concealment", 0, "Enable decoder error-concealment");
83 static const arg_def_t scalearg =
84  ARG_DEF("S", "scale", 0, "Scale output frames uniformly");
85 static const arg_def_t continuearg =
86  ARG_DEF("k", "keep-going", 0, "(debug) Continue decoding after error");
87 static const arg_def_t fb_arg =
88  ARG_DEF(NULL, "frame-buffers", 1, "Number of frame buffers to use");
89 static const arg_def_t md5arg =
90  ARG_DEF(NULL, "md5", 0, "Compute the MD5 sum of the decoded frame");
91 #if CONFIG_VP9_HIGHBITDEPTH
92 static const arg_def_t outbitdeptharg =
93  ARG_DEF(NULL, "output-bit-depth", 1, "Output bit-depth for decoded frames");
94 #endif
95 static const arg_def_t svcdecodingarg = ARG_DEF(
96  NULL, "svc-decode-layer", 1, "Decode SVC stream up to given spatial layer");
97 
98 static const arg_def_t *all_args[] = {
99  &codecarg, &use_yv12, &use_i420, &flipuvarg, &rawvideo,
100  &noblitarg, &progressarg, &limitarg, &skiparg, &postprocarg,
101  &summaryarg, &outputfile, &threadsarg, &frameparallelarg, &verbosearg,
102  &scalearg, &fb_arg, &md5arg, &error_concealment, &continuearg,
103 #if CONFIG_VP9_HIGHBITDEPTH
104  &outbitdeptharg,
105 #endif
106  &svcdecodingarg, NULL
107 };
108 
109 #if CONFIG_VP8_DECODER
110 static const arg_def_t addnoise_level =
111  ARG_DEF(NULL, "noise-level", 1, "Enable VP8 postproc add noise");
112 static const arg_def_t deblock =
113  ARG_DEF(NULL, "deblock", 0, "Enable VP8 deblocking");
114 static const arg_def_t demacroblock_level = ARG_DEF(
115  NULL, "demacroblock-level", 1, "Enable VP8 demacroblocking, w/ level");
116 static const arg_def_t mfqe =
117  ARG_DEF(NULL, "mfqe", 0, "Enable multiframe quality enhancement");
118 
119 static const arg_def_t *vp8_pp_args[] = { &addnoise_level, &deblock,
120  &demacroblock_level, &mfqe, NULL };
121 #endif
122 
123 #if CONFIG_LIBYUV
124 static INLINE int libyuv_scale(vpx_image_t *src, vpx_image_t *dst,
125  FilterModeEnum mode) {
126 #if CONFIG_VP9_HIGHBITDEPTH
127  if (src->fmt == VPX_IMG_FMT_I42016) {
128  assert(dst->fmt == VPX_IMG_FMT_I42016);
129  return I420Scale_16(
130  (uint16_t *)src->planes[VPX_PLANE_Y], src->stride[VPX_PLANE_Y] / 2,
131  (uint16_t *)src->planes[VPX_PLANE_U], src->stride[VPX_PLANE_U] / 2,
132  (uint16_t *)src->planes[VPX_PLANE_V], src->stride[VPX_PLANE_V] / 2,
133  src->d_w, src->d_h, (uint16_t *)dst->planes[VPX_PLANE_Y],
134  dst->stride[VPX_PLANE_Y] / 2, (uint16_t *)dst->planes[VPX_PLANE_U],
135  dst->stride[VPX_PLANE_U] / 2, (uint16_t *)dst->planes[VPX_PLANE_V],
136  dst->stride[VPX_PLANE_V] / 2, dst->d_w, dst->d_h, mode);
137  }
138 #endif
139  assert(src->fmt == VPX_IMG_FMT_I420);
140  assert(dst->fmt == VPX_IMG_FMT_I420);
141  return I420Scale(src->planes[VPX_PLANE_Y], src->stride[VPX_PLANE_Y],
142  src->planes[VPX_PLANE_U], src->stride[VPX_PLANE_U],
143  src->planes[VPX_PLANE_V], src->stride[VPX_PLANE_V], src->d_w,
144  src->d_h, dst->planes[VPX_PLANE_Y], dst->stride[VPX_PLANE_Y],
145  dst->planes[VPX_PLANE_U], dst->stride[VPX_PLANE_U],
146  dst->planes[VPX_PLANE_V], dst->stride[VPX_PLANE_V], dst->d_w,
147  dst->d_h, mode);
148 }
149 #endif
150 
151 void usage_exit(void) {
152  int i;
153 
154  fprintf(stderr,
155  "Usage: %s <options> filename\n\n"
156  "Options:\n",
157  exec_name);
158  arg_show_usage(stderr, all_args);
159 #if CONFIG_VP8_DECODER
160  fprintf(stderr, "\nVP8 Postprocessing Options:\n");
161  arg_show_usage(stderr, vp8_pp_args);
162 #endif
163  fprintf(stderr,
164  "\nOutput File Patterns:\n\n"
165  " The -o argument specifies the name of the file(s) to "
166  "write to. If the\n argument does not include any escape "
167  "characters, the output will be\n written to a single file. "
168  "Otherwise, the filename will be calculated by\n expanding "
169  "the following escape characters:\n");
170  fprintf(stderr,
171  "\n\t%%w - Frame width"
172  "\n\t%%h - Frame height"
173  "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
174  "\n\n Pattern arguments are only supported in conjunction "
175  "with the --yv12 and\n --i420 options. If the -o option is "
176  "not specified, the output will be\n directed to stdout.\n");
177  fprintf(stderr, "\nIncluded decoders:\n\n");
178 
179  for (i = 0; i < get_vpx_decoder_count(); ++i) {
180  const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
181  fprintf(stderr, " %-6s - %s\n", decoder->name,
182  vpx_codec_iface_name(decoder->codec_interface()));
183  }
184 
185  exit(EXIT_FAILURE);
186 }
187 
188 static int raw_read_frame(FILE *infile, uint8_t **buffer, size_t *bytes_read,
189  size_t *buffer_size) {
190  char raw_hdr[RAW_FRAME_HDR_SZ];
191  size_t frame_size = 0;
192 
193  if (fread(raw_hdr, RAW_FRAME_HDR_SZ, 1, infile) != 1) {
194  if (!feof(infile)) warn("Failed to read RAW frame size\n");
195  } else {
196  const size_t kCorruptFrameThreshold = 256 * 1024 * 1024;
197  const size_t kFrameTooSmallThreshold = 256 * 1024;
198  frame_size = mem_get_le32(raw_hdr);
199 
200  if (frame_size > kCorruptFrameThreshold) {
201  warn("Read invalid frame size (%u)\n", (unsigned int)frame_size);
202  frame_size = 0;
203  }
204 
205  if (frame_size < kFrameTooSmallThreshold) {
206  warn("Warning: Read invalid frame size (%u) - not a raw file?\n",
207  (unsigned int)frame_size);
208  }
209 
210  if (frame_size > *buffer_size) {
211  uint8_t *new_buf = realloc(*buffer, 2 * frame_size);
212  if (new_buf) {
213  *buffer = new_buf;
214  *buffer_size = 2 * frame_size;
215  } else {
216  warn("Failed to allocate compressed data buffer\n");
217  frame_size = 0;
218  }
219  }
220  }
221 
222  if (!feof(infile)) {
223  if (fread(*buffer, 1, frame_size, infile) != frame_size) {
224  warn("Failed to read full frame\n");
225  return 1;
226  }
227  *bytes_read = frame_size;
228  }
229 
230  return 0;
231 }
232 
233 static int read_frame(struct VpxDecInputContext *input, uint8_t **buf,
234  size_t *bytes_in_buffer, size_t *buffer_size) {
235  switch (input->vpx_input_ctx->file_type) {
236 #if CONFIG_WEBM_IO
237  case FILE_TYPE_WEBM:
238  return webm_read_frame(input->webm_ctx, buf, bytes_in_buffer);
239 #endif
240  case FILE_TYPE_RAW:
241  return raw_read_frame(input->vpx_input_ctx->file, buf, bytes_in_buffer,
242  buffer_size);
243  case FILE_TYPE_IVF:
244  return ivf_read_frame(input->vpx_input_ctx->file, buf, bytes_in_buffer,
245  buffer_size);
246  default: return 1;
247  }
248 }
249 
250 static void update_image_md5(const vpx_image_t *img, const int planes[3],
251  MD5Context *md5) {
252  int i, y;
253 
254  for (i = 0; i < 3; ++i) {
255  const int plane = planes[i];
256  const unsigned char *buf = img->planes[plane];
257  const int stride = img->stride[plane];
258  const int w = vpx_img_plane_width(img, plane) *
259  ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
260  const int h = vpx_img_plane_height(img, plane);
261 
262  for (y = 0; y < h; ++y) {
263  MD5Update(md5, buf, w);
264  buf += stride;
265  }
266  }
267 }
268 
269 static void write_image_file(const vpx_image_t *img, const int planes[3],
270  FILE *file) {
271  int i, y;
272 #if CONFIG_VP9_HIGHBITDEPTH
273  const int bytes_per_sample = ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
274 #else
275  const int bytes_per_sample = 1;
276 #endif
277 
278  for (i = 0; i < 3; ++i) {
279  const int plane = planes[i];
280  const unsigned char *buf = img->planes[plane];
281  const int stride = img->stride[plane];
282  const int w = vpx_img_plane_width(img, plane);
283  const int h = vpx_img_plane_height(img, plane);
284 
285  for (y = 0; y < h; ++y) {
286  fwrite(buf, bytes_per_sample, w, file);
287  buf += stride;
288  }
289  }
290 }
291 
292 static int file_is_raw(struct VpxInputContext *input) {
293  uint8_t buf[32];
294  int is_raw = 0;
296 
297  si.sz = sizeof(si);
298 
299  if (fread(buf, 1, 32, input->file) == 32) {
300  int i;
301 
302  if (mem_get_le32(buf) < 256 * 1024 * 1024) {
303  for (i = 0; i < get_vpx_decoder_count(); ++i) {
304  const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
305  if (!vpx_codec_peek_stream_info(decoder->codec_interface(), buf + 4,
306  32 - 4, &si)) {
307  is_raw = 1;
308  input->fourcc = decoder->fourcc;
309  input->width = si.w;
310  input->height = si.h;
311  input->framerate.numerator = 30;
312  input->framerate.denominator = 1;
313  break;
314  }
315  }
316  }
317  }
318 
319  rewind(input->file);
320  return is_raw;
321 }
322 
323 static void show_progress(int frame_in, int frame_out, uint64_t dx_time) {
324  fprintf(stderr,
325  "%d decoded frames/%d showed frames in %" PRId64 " us (%.2f fps)\r",
326  frame_in, frame_out, dx_time,
327  (double)frame_out * 1000000.0 / (double)dx_time);
328 }
329 
330 struct ExternalFrameBuffer {
331  uint8_t *data;
332  size_t size;
333  int in_use;
334 };
335 
336 struct ExternalFrameBufferList {
337  int num_external_frame_buffers;
338  struct ExternalFrameBuffer *ext_fb;
339 };
340 
341 // Callback used by libvpx to request an external frame buffer. |cb_priv|
342 // Application private data passed into the set function. |min_size| is the
343 // minimum size in bytes needed to decode the next frame. |fb| pointer to the
344 // frame buffer.
345 static int get_vp9_frame_buffer(void *cb_priv, size_t min_size,
347  int i;
348  struct ExternalFrameBufferList *const ext_fb_list =
349  (struct ExternalFrameBufferList *)cb_priv;
350  if (ext_fb_list == NULL) return -1;
351 
352  // Find a free frame buffer.
353  for (i = 0; i < ext_fb_list->num_external_frame_buffers; ++i) {
354  if (!ext_fb_list->ext_fb[i].in_use) break;
355  }
356 
357  if (i == ext_fb_list->num_external_frame_buffers) return -1;
358 
359  if (ext_fb_list->ext_fb[i].size < min_size) {
360  free(ext_fb_list->ext_fb[i].data);
361  ext_fb_list->ext_fb[i].data = (uint8_t *)calloc(min_size, sizeof(uint8_t));
362  if (!ext_fb_list->ext_fb[i].data) return -1;
363 
364  ext_fb_list->ext_fb[i].size = min_size;
365  }
366 
367  fb->data = ext_fb_list->ext_fb[i].data;
368  fb->size = ext_fb_list->ext_fb[i].size;
369  ext_fb_list->ext_fb[i].in_use = 1;
370 
371  // Set the frame buffer's private data to point at the external frame buffer.
372  fb->priv = &ext_fb_list->ext_fb[i];
373  return 0;
374 }
375 
376 // Callback used by libvpx when there are no references to the frame buffer.
377 // |cb_priv| user private data passed into the set function. |fb| pointer
378 // to the frame buffer.
379 static int release_vp9_frame_buffer(void *cb_priv,
381  struct ExternalFrameBuffer *const ext_fb =
382  (struct ExternalFrameBuffer *)fb->priv;
383  (void)cb_priv;
384  ext_fb->in_use = 0;
385  return 0;
386 }
387 
388 static void generate_filename(const char *pattern, char *out, size_t q_len,
389  unsigned int d_w, unsigned int d_h,
390  unsigned int frame_in) {
391  const char *p = pattern;
392  char *q = out;
393 
394  do {
395  char *next_pat = strchr(p, '%');
396 
397  if (p == next_pat) {
398  size_t pat_len;
399 
400  /* parse the pattern */
401  q[q_len - 1] = '\0';
402  switch (p[1]) {
403  case 'w': snprintf(q, q_len - 1, "%d", d_w); break;
404  case 'h': snprintf(q, q_len - 1, "%d", d_h); break;
405  case '1': snprintf(q, q_len - 1, "%d", frame_in); break;
406  case '2': snprintf(q, q_len - 1, "%02d", frame_in); break;
407  case '3': snprintf(q, q_len - 1, "%03d", frame_in); break;
408  case '4': snprintf(q, q_len - 1, "%04d", frame_in); break;
409  case '5': snprintf(q, q_len - 1, "%05d", frame_in); break;
410  case '6': snprintf(q, q_len - 1, "%06d", frame_in); break;
411  case '7': snprintf(q, q_len - 1, "%07d", frame_in); break;
412  case '8': snprintf(q, q_len - 1, "%08d", frame_in); break;
413  case '9': snprintf(q, q_len - 1, "%09d", frame_in); break;
414  default: die("Unrecognized pattern %%%c\n", p[1]); break;
415  }
416 
417  pat_len = strlen(q);
418  if (pat_len >= q_len - 1) die("Output filename too long.\n");
419  q += pat_len;
420  p += 2;
421  q_len -= pat_len;
422  } else {
423  size_t copy_len;
424 
425  /* copy the next segment */
426  if (!next_pat)
427  copy_len = strlen(p);
428  else
429  copy_len = next_pat - p;
430 
431  if (copy_len >= q_len - 1) die("Output filename too long.\n");
432 
433  memcpy(q, p, copy_len);
434  q[copy_len] = '\0';
435  q += copy_len;
436  p += copy_len;
437  q_len -= copy_len;
438  }
439  } while (*p);
440 }
441 
442 static int is_single_file(const char *outfile_pattern) {
443  const char *p = outfile_pattern;
444 
445  do {
446  p = strchr(p, '%');
447  if (p && p[1] >= '1' && p[1] <= '9')
448  return 0; // pattern contains sequence number, so it's not unique
449  if (p) p++;
450  } while (p);
451 
452  return 1;
453 }
454 
455 static void print_md5(unsigned char digest[16], const char *filename) {
456  int i;
457 
458  for (i = 0; i < 16; ++i) printf("%02x", digest[i]);
459  printf(" %s\n", filename);
460 }
461 
462 static FILE *open_outfile(const char *name) {
463  if (strcmp("-", name) == 0) {
464  set_binary_mode(stdout);
465  return stdout;
466  } else {
467  FILE *file = fopen(name, "wb");
468  if (!file) fatal("Failed to open output file '%s'", name);
469  return file;
470  }
471 }
472 
473 #if CONFIG_VP9_HIGHBITDEPTH
474 static int img_shifted_realloc_required(const vpx_image_t *img,
475  const vpx_image_t *shifted,
476  vpx_img_fmt_t required_fmt) {
477  return img->d_w != shifted->d_w || img->d_h != shifted->d_h ||
478  required_fmt != shifted->fmt;
479 }
480 #endif
481 
482 static int main_loop(int argc, const char **argv_) {
483  vpx_codec_ctx_t decoder;
484  char *fn = NULL;
485  int i;
486  int ret = EXIT_FAILURE;
487  uint8_t *buf = NULL;
488  size_t bytes_in_buffer = 0, buffer_size = 0;
489  FILE *infile;
490  int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
491  int do_md5 = 0, progress = 0, frame_parallel = 0;
492  int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
493  int arg_skip = 0;
494  int ec_enabled = 0;
495  int keep_going = 0;
496  const VpxInterface *interface = NULL;
497  const VpxInterface *fourcc_interface = NULL;
498  uint64_t dx_time = 0;
499  struct arg arg;
500  char **argv, **argi, **argj;
501 
502  int single_file;
503  int use_y4m = 1;
504  int opt_yv12 = 0;
505  int opt_i420 = 0;
506  vpx_codec_dec_cfg_t cfg = { 0, 0, 0 };
507 #if CONFIG_VP9_HIGHBITDEPTH
508  unsigned int output_bit_depth = 0;
509 #endif
510  int svc_decoding = 0;
511  int svc_spatial_layer = 0;
512 #if CONFIG_VP8_DECODER
513  vp8_postproc_cfg_t vp8_pp_cfg = { 0, 0, 0 };
514 #endif
515  int frames_corrupted = 0;
516  int dec_flags = 0;
517  int do_scale = 0;
518  vpx_image_t *scaled_img = NULL;
519 #if CONFIG_VP9_HIGHBITDEPTH
520  vpx_image_t *img_shifted = NULL;
521 #endif
522  int frame_avail, got_data, flush_decoder = 0;
523  int num_external_frame_buffers = 0;
524  struct ExternalFrameBufferList ext_fb_list = { 0, NULL };
525 
526  const char *outfile_pattern = NULL;
527  char outfile_name[PATH_MAX] = { 0 };
528  FILE *outfile = NULL;
529 
530  MD5Context md5_ctx;
531  unsigned char md5_digest[16];
532 
533  struct VpxDecInputContext input = { NULL, NULL };
534  struct VpxInputContext vpx_input_ctx;
535 #if CONFIG_WEBM_IO
536  struct WebmInputContext webm_ctx;
537  memset(&(webm_ctx), 0, sizeof(webm_ctx));
538  input.webm_ctx = &webm_ctx;
539 #endif
540  input.vpx_input_ctx = &vpx_input_ctx;
541 
542  /* Parse command line */
543  exec_name = argv_[0];
544  argv = argv_dup(argc - 1, argv_ + 1);
545 
546  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
547  memset(&arg, 0, sizeof(arg));
548  arg.argv_step = 1;
549 
550  if (arg_match(&arg, &codecarg, argi)) {
551  interface = get_vpx_decoder_by_name(arg.val);
552  if (!interface)
553  die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
554  } else if (arg_match(&arg, &looparg, argi)) {
555  // no-op
556  } else if (arg_match(&arg, &outputfile, argi))
557  outfile_pattern = arg.val;
558  else if (arg_match(&arg, &use_yv12, argi)) {
559  use_y4m = 0;
560  flipuv = 1;
561  opt_yv12 = 1;
562  } else if (arg_match(&arg, &use_i420, argi)) {
563  use_y4m = 0;
564  flipuv = 0;
565  opt_i420 = 1;
566  } else if (arg_match(&arg, &rawvideo, argi)) {
567  use_y4m = 0;
568  } else if (arg_match(&arg, &flipuvarg, argi))
569  flipuv = 1;
570  else if (arg_match(&arg, &noblitarg, argi))
571  noblit = 1;
572  else if (arg_match(&arg, &progressarg, argi))
573  progress = 1;
574  else if (arg_match(&arg, &limitarg, argi))
575  stop_after = arg_parse_uint(&arg);
576  else if (arg_match(&arg, &skiparg, argi))
577  arg_skip = arg_parse_uint(&arg);
578  else if (arg_match(&arg, &postprocarg, argi))
579  postproc = 1;
580  else if (arg_match(&arg, &md5arg, argi))
581  do_md5 = 1;
582  else if (arg_match(&arg, &summaryarg, argi))
583  summary = 1;
584  else if (arg_match(&arg, &threadsarg, argi))
585  cfg.threads = arg_parse_uint(&arg);
586 #if CONFIG_VP9_DECODER
587  else if (arg_match(&arg, &frameparallelarg, argi))
588  frame_parallel = 1;
589 #endif
590  else if (arg_match(&arg, &verbosearg, argi))
591  quiet = 0;
592  else if (arg_match(&arg, &scalearg, argi))
593  do_scale = 1;
594  else if (arg_match(&arg, &fb_arg, argi))
595  num_external_frame_buffers = arg_parse_uint(&arg);
596  else if (arg_match(&arg, &continuearg, argi))
597  keep_going = 1;
598 #if CONFIG_VP9_HIGHBITDEPTH
599  else if (arg_match(&arg, &outbitdeptharg, argi)) {
600  output_bit_depth = arg_parse_uint(&arg);
601  }
602 #endif
603  else if (arg_match(&arg, &svcdecodingarg, argi)) {
604  svc_decoding = 1;
605  svc_spatial_layer = arg_parse_uint(&arg);
606  }
607 #if CONFIG_VP8_DECODER
608  else if (arg_match(&arg, &addnoise_level, argi)) {
609  postproc = 1;
610  vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
611  vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
612  } else if (arg_match(&arg, &demacroblock_level, argi)) {
613  postproc = 1;
614  vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
615  vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
616  } else if (arg_match(&arg, &deblock, argi)) {
617  postproc = 1;
618  vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
619  } else if (arg_match(&arg, &mfqe, argi)) {
620  postproc = 1;
621  vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
622  } else if (arg_match(&arg, &error_concealment, argi)) {
623  ec_enabled = 1;
624  }
625 #endif // CONFIG_VP8_DECODER
626  else
627  argj++;
628  }
629 
630  /* Check for unrecognized options */
631  for (argi = argv; *argi; argi++)
632  if (argi[0][0] == '-' && strlen(argi[0]) > 1)
633  die("Error: Unrecognized option %s\n", *argi);
634 
635  /* Handle non-option arguments */
636  fn = argv[0];
637 
638  if (!fn) {
639  free(argv);
640  usage_exit();
641  }
642  /* Open file */
643  infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
644 
645  if (!infile) {
646  fatal("Failed to open input file '%s'", strcmp(fn, "-") ? fn : "stdin");
647  }
648 #if CONFIG_OS_SUPPORT
649  /* Make sure we don't dump to the terminal, unless forced to with -o - */
650  if (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
651  fprintf(stderr,
652  "Not dumping raw video to your terminal. Use '-o -' to "
653  "override.\n");
654  return EXIT_FAILURE;
655  }
656 #endif
657  input.vpx_input_ctx->file = infile;
658  if (file_is_ivf(input.vpx_input_ctx))
659  input.vpx_input_ctx->file_type = FILE_TYPE_IVF;
660 #if CONFIG_WEBM_IO
661  else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
662  input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
663 #endif
664  else if (file_is_raw(input.vpx_input_ctx))
665  input.vpx_input_ctx->file_type = FILE_TYPE_RAW;
666  else {
667  fprintf(stderr, "Unrecognized input file type.\n");
668 #if !CONFIG_WEBM_IO
669  fprintf(stderr, "vpxdec was built without WebM container support.\n");
670 #endif
671  return EXIT_FAILURE;
672  }
673 
674  outfile_pattern = outfile_pattern ? outfile_pattern : "-";
675  single_file = is_single_file(outfile_pattern);
676 
677  if (!noblit && single_file) {
678  generate_filename(outfile_pattern, outfile_name, PATH_MAX,
679  vpx_input_ctx.width, vpx_input_ctx.height, 0);
680  if (do_md5)
681  MD5Init(&md5_ctx);
682  else
683  outfile = open_outfile(outfile_name);
684  }
685 
686  if (use_y4m && !noblit) {
687  if (!single_file) {
688  fprintf(stderr,
689  "YUV4MPEG2 not supported with output patterns,"
690  " try --i420 or --yv12 or --rawvideo.\n");
691  return EXIT_FAILURE;
692  }
693 
694 #if CONFIG_WEBM_IO
695  if (vpx_input_ctx.file_type == FILE_TYPE_WEBM) {
696  if (webm_guess_framerate(input.webm_ctx, input.vpx_input_ctx)) {
697  fprintf(stderr,
698  "Failed to guess framerate -- error parsing "
699  "webm file?\n");
700  return EXIT_FAILURE;
701  }
702  }
703 #endif
704  }
705 
706  fourcc_interface = get_vpx_decoder_by_fourcc(vpx_input_ctx.fourcc);
707  if (interface && fourcc_interface && interface != fourcc_interface)
708  warn("Header indicates codec: %s\n", fourcc_interface->name);
709  else
710  interface = fourcc_interface;
711 
712  if (!interface) interface = get_vpx_decoder_by_index(0);
713 
714  dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
715  (ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0) |
716  (frame_parallel ? VPX_CODEC_USE_FRAME_THREADING : 0);
717  if (vpx_codec_dec_init(&decoder, interface->codec_interface(), &cfg,
718  dec_flags)) {
719  fprintf(stderr, "Failed to initialize decoder: %s\n",
720  vpx_codec_error(&decoder));
721  goto fail2;
722  }
723  if (svc_decoding) {
725  svc_spatial_layer)) {
726  fprintf(stderr, "Failed to set spatial layer for svc decode: %s\n",
727  vpx_codec_error(&decoder));
728  goto fail;
729  }
730  }
731  if (!quiet) fprintf(stderr, "%s\n", decoder.name);
732 
733 #if CONFIG_VP8_DECODER
734  if (vp8_pp_cfg.post_proc_flag &&
735  vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg)) {
736  fprintf(stderr, "Failed to configure postproc: %s\n",
737  vpx_codec_error(&decoder));
738  goto fail;
739  }
740 #endif
741 
742  if (arg_skip) fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
743  while (arg_skip) {
744  if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) break;
745  arg_skip--;
746  }
747 
748  if (num_external_frame_buffers > 0) {
749  ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
750  ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
751  num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
752  if (vpx_codec_set_frame_buffer_functions(&decoder, get_vp9_frame_buffer,
753  release_vp9_frame_buffer,
754  &ext_fb_list)) {
755  fprintf(stderr, "Failed to configure external frame buffers: %s\n",
756  vpx_codec_error(&decoder));
757  goto fail;
758  }
759  }
760 
761  frame_avail = 1;
762  got_data = 0;
763 
764  /* Decode file */
765  while (frame_avail || got_data) {
766  vpx_codec_iter_t iter = NULL;
767  vpx_image_t *img;
768  struct vpx_usec_timer timer;
769  int corrupted = 0;
770 
771  frame_avail = 0;
772  if (!stop_after || frame_in < stop_after) {
773  if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
774  frame_avail = 1;
775  frame_in++;
776 
777  vpx_usec_timer_start(&timer);
778 
779  if (vpx_codec_decode(&decoder, buf, (unsigned int)bytes_in_buffer, NULL,
780  0)) {
781  const char *detail = vpx_codec_error_detail(&decoder);
782  warn("Failed to decode frame %d: %s", frame_in,
783  vpx_codec_error(&decoder));
784  if (detail) warn("Additional information: %s", detail);
785  corrupted = 1;
786  if (!keep_going) goto fail;
787  }
788 
789  vpx_usec_timer_mark(&timer);
790  dx_time += vpx_usec_timer_elapsed(&timer);
791  } else {
792  flush_decoder = 1;
793  }
794  } else {
795  flush_decoder = 1;
796  }
797 
798  vpx_usec_timer_start(&timer);
799 
800  if (flush_decoder) {
801  // Flush the decoder in frame parallel decode.
802  if (vpx_codec_decode(&decoder, NULL, 0, NULL, 0)) {
803  warn("Failed to flush decoder: %s", vpx_codec_error(&decoder));
804  corrupted = 1;
805  if (!keep_going) goto fail;
806  }
807  }
808 
809  got_data = 0;
810  if ((img = vpx_codec_get_frame(&decoder, &iter))) {
811  ++frame_out;
812  got_data = 1;
813  }
814 
815  vpx_usec_timer_mark(&timer);
816  dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
817 
818  if (!frame_parallel && !corrupted &&
819  vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
820  warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_codec_error(&decoder));
821  if (!keep_going) goto fail;
822  }
823  frames_corrupted += corrupted;
824 
825  if (progress) show_progress(frame_in, frame_out, dx_time);
826 
827  if (!noblit && img) {
828  const int PLANES_YUV[] = { VPX_PLANE_Y, VPX_PLANE_U, VPX_PLANE_V };
829  const int PLANES_YVU[] = { VPX_PLANE_Y, VPX_PLANE_V, VPX_PLANE_U };
830  const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
831 
832  if (do_scale) {
833  if (frame_out == 1) {
834  // If the output frames are to be scaled to a fixed display size then
835  // use the width and height specified in the container. If either of
836  // these is set to 0, use the display size set in the first frame
837  // header. If that is unavailable, use the raw decoded size of the
838  // first decoded frame.
839  int render_width = vpx_input_ctx.width;
840  int render_height = vpx_input_ctx.height;
841  if (!render_width || !render_height) {
842  int render_size[2];
844  render_size)) {
845  // As last resort use size of first frame as display size.
846  render_width = img->d_w;
847  render_height = img->d_h;
848  } else {
849  render_width = render_size[0];
850  render_height = render_size[1];
851  }
852  }
853  scaled_img =
854  vpx_img_alloc(NULL, img->fmt, render_width, render_height, 16);
855  scaled_img->bit_depth = img->bit_depth;
856  }
857 
858  if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
859 #if CONFIG_LIBYUV
860  libyuv_scale(img, scaled_img, kFilterBox);
861  img = scaled_img;
862 #else
863  fprintf(stderr,
864  "Failed to scale output frame: %s.\n"
865  "Scaling is disabled in this configuration. "
866  "To enable scaling, configure with --enable-libyuv\n",
867  vpx_codec_error(&decoder));
868  goto fail;
869 #endif
870  }
871  }
872 #if CONFIG_VP9_HIGHBITDEPTH
873  // Default to codec bit depth if output bit depth not set
874  if (!output_bit_depth && single_file && !do_md5) {
875  output_bit_depth = img->bit_depth;
876  }
877  // Shift up or down if necessary
878  if (output_bit_depth != 0 && output_bit_depth != img->bit_depth) {
879  const vpx_img_fmt_t shifted_fmt =
880  output_bit_depth == 8
881  ? img->fmt ^ (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH)
882  : img->fmt | VPX_IMG_FMT_HIGHBITDEPTH;
883  if (img_shifted &&
884  img_shifted_realloc_required(img, img_shifted, shifted_fmt)) {
885  vpx_img_free(img_shifted);
886  img_shifted = NULL;
887  }
888  if (!img_shifted) {
889  img_shifted =
890  vpx_img_alloc(NULL, shifted_fmt, img->d_w, img->d_h, 16);
891  img_shifted->bit_depth = output_bit_depth;
892  }
893  if (output_bit_depth > img->bit_depth) {
894  vpx_img_upshift(img_shifted, img, output_bit_depth - img->bit_depth);
895  } else {
896  vpx_img_downshift(img_shifted, img,
897  img->bit_depth - output_bit_depth);
898  }
899  img = img_shifted;
900  }
901 #endif
902 
903  if (single_file) {
904  if (use_y4m) {
905  char buf[Y4M_BUFFER_SIZE] = { 0 };
906  size_t len = 0;
907  if (img->fmt == VPX_IMG_FMT_I440 || img->fmt == VPX_IMG_FMT_I44016) {
908  fprintf(stderr, "Cannot produce y4m output for 440 sampling.\n");
909  goto fail;
910  }
911  if (frame_out == 1) {
912  // Y4M file header
913  len = y4m_write_file_header(
914  buf, sizeof(buf), vpx_input_ctx.width, vpx_input_ctx.height,
915  &vpx_input_ctx.framerate, img->fmt, img->bit_depth);
916  if (do_md5) {
917  MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
918  } else {
919  fputs(buf, outfile);
920  }
921  }
922 
923  // Y4M frame header
924  len = y4m_write_frame_header(buf, sizeof(buf));
925  if (do_md5) {
926  MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
927  } else {
928  fputs(buf, outfile);
929  }
930  } else {
931  if (frame_out == 1) {
932  // Check if --yv12 or --i420 options are consistent with the
933  // bit-stream decoded
934  if (opt_i420) {
935  if (img->fmt != VPX_IMG_FMT_I420 &&
936  img->fmt != VPX_IMG_FMT_I42016) {
937  fprintf(stderr, "Cannot produce i420 output for bit-stream.\n");
938  goto fail;
939  }
940  }
941  if (opt_yv12) {
942  if ((img->fmt != VPX_IMG_FMT_I420 &&
943  img->fmt != VPX_IMG_FMT_YV12) ||
944  img->bit_depth != 8) {
945  fprintf(stderr, "Cannot produce yv12 output for bit-stream.\n");
946  goto fail;
947  }
948  }
949  }
950  }
951 
952  if (do_md5) {
953  update_image_md5(img, planes, &md5_ctx);
954  } else {
955  write_image_file(img, planes, outfile);
956  }
957  } else {
958  generate_filename(outfile_pattern, outfile_name, PATH_MAX, img->d_w,
959  img->d_h, frame_in);
960  if (do_md5) {
961  MD5Init(&md5_ctx);
962  update_image_md5(img, planes, &md5_ctx);
963  MD5Final(md5_digest, &md5_ctx);
964  print_md5(md5_digest, outfile_name);
965  } else {
966  outfile = open_outfile(outfile_name);
967  write_image_file(img, planes, outfile);
968  fclose(outfile);
969  }
970  }
971  }
972  }
973 
974  if (summary || progress) {
975  show_progress(frame_in, frame_out, dx_time);
976  fprintf(stderr, "\n");
977  }
978 
979  if (frames_corrupted) {
980  fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
981  } else {
982  ret = EXIT_SUCCESS;
983  }
984 
985 fail:
986 
987  if (vpx_codec_destroy(&decoder)) {
988  fprintf(stderr, "Failed to destroy decoder: %s\n",
989  vpx_codec_error(&decoder));
990  }
991 
992 fail2:
993 
994  if (!noblit && single_file) {
995  if (do_md5) {
996  MD5Final(md5_digest, &md5_ctx);
997  print_md5(md5_digest, outfile_name);
998  } else {
999  fclose(outfile);
1000  }
1001  }
1002 
1003 #if CONFIG_WEBM_IO
1004  if (input.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
1005  webm_free(input.webm_ctx);
1006 #endif
1007 
1008  if (input.vpx_input_ctx->file_type != FILE_TYPE_WEBM) free(buf);
1009 
1010  if (scaled_img) vpx_img_free(scaled_img);
1011 #if CONFIG_VP9_HIGHBITDEPTH
1012  if (img_shifted) vpx_img_free(img_shifted);
1013 #endif
1014 
1015  for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
1016  free(ext_fb_list.ext_fb[i].data);
1017  }
1018  free(ext_fb_list.ext_fb);
1019 
1020  fclose(infile);
1021  free(argv);
1022 
1023  return ret;
1024 }
1025 
1026 int main(int argc, const char **argv_) {
1027  unsigned int loops = 1, i;
1028  char **argv, **argi, **argj;
1029  struct arg arg;
1030  int error = 0;
1031 
1032  argv = argv_dup(argc - 1, argv_ + 1);
1033  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
1034  memset(&arg, 0, sizeof(arg));
1035  arg.argv_step = 1;
1036 
1037  if (arg_match(&arg, &looparg, argi)) {
1038  loops = arg_parse_uint(&arg);
1039  break;
1040  }
1041  }
1042  free(argv);
1043  for (i = 0; !error && i < loops; i++) error = main_loop(argc, argv_);
1044  return error;
1045 }
Definition: vpx_image.h:66
Image Descriptor.
Definition: vpx_image.h:88
Describes the decoder algorithm interface to applications.
const char * vpx_codec_iface_name(vpx_codec_iface_t *iface)
Return the name for a given interface.
Definition: vpx_image.h:53
unsigned int threads
Definition: vpx_decoder.h:108
unsigned int sz
Definition: vpx_decoder.h:90
Stream properties.
Definition: vpx_decoder.h:89
Definition: vp8dx.h:85
int noise_level
Definition: vp8.h:93
unsigned int bit_depth
Definition: vpx_image.h:96
Provides definitions for using VP8 or VP9 within the vpx Decoder interface.
vpx_codec_err_t vpx_codec_peek_stream_info(vpx_codec_iface_t *iface, const uint8_t *data, unsigned int data_sz, vpx_codec_stream_info_t *si)
Parse stream info from a buffer.
#define VPX_PLANE_Y
Definition: vpx_image.h:112
uint8_t * data
Definition: vpx_frame_buffer.h:40
const char * name
Definition: vpx_codec.h:193
#define VPX_PLANE_V
Definition: vpx_image.h:114
#define VPX_IMG_FMT_HIGHBITDEPTH
Definition: vpx_image.h:35
Definition: vp8dx.h:117
vpx_image_t * vpx_img_alloc(vpx_image_t *img, vpx_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align)
Open a descriptor, allocating storage for the underlying image.
Definition: vpx_image.h:55
unsigned int d_w
Definition: vpx_image.h:99
#define vpx_codec_dec_init(ctx, iface, cfg, flags)
Convenience macro for vpx_codec_dec_init_ver()
Definition: vpx_decoder.h:144
vpx_codec_err_t vpx_codec_decode(vpx_codec_ctx_t *ctx, const uint8_t *data, unsigned int data_sz, void *user_priv, long deadline)
Decode data.
enum vpx_img_fmt vpx_img_fmt_t
List of supported image formats.
size_t size
Definition: vpx_frame_buffer.h:41
int stride[4]
Definition: vpx_image.h:117
void vpx_img_free(vpx_image_t *img)
Close an image descriptor.
vpx_img_fmt_t fmt
Definition: vpx_image.h:89
unsigned char * planes[4]
Definition: vpx_image.h:116
Definition: vp8.h:49
#define VPX_CODEC_USE_POSTPROC
Definition: vpx_decoder.h:74
Definition: vp8dx.h:63
#define VPX_CODEC_USE_FRAME_THREADING
Enable frame-based multi-threading.
Definition: vpx_decoder.h:81
const char * vpx_codec_error_detail(vpx_codec_ctx_t *ctx)
Retrieve detailed error information for codec context.
void * priv
Definition: vpx_frame_buffer.h:42
#define VPX_PLANE_U
Definition: vpx_image.h:113
int deblocking_level
Definition: vp8.h:92
unsigned int w
Definition: vpx_decoder.h:91
External frame buffer.
Definition: vpx_frame_buffer.h:39
#define vpx_codec_control(ctx, id, data)
vpx_codec_control wrapper macro
Definition: vpx_codec.h:399
vpx_codec_err_t vpx_codec_destroy(vpx_codec_ctx_t *ctx)
Destroy a codec instance.
unsigned int d_h
Definition: vpx_image.h:100
post process flags
Definition: vp8.h:88
vpx_codec_err_t vpx_codec_set_frame_buffer_functions(vpx_codec_ctx_t *ctx, vpx_get_frame_buffer_cb_fn_t cb_get, vpx_release_frame_buffer_cb_fn_t cb_release, void *cb_priv)
Pass in external frame buffers for the decoder to use.
unsigned int h
Definition: vpx_decoder.h:92
const char * vpx_codec_error(vpx_codec_ctx_t *ctx)
Retrieve error synopsis for codec context.
Initialization Configurations.
Definition: vpx_decoder.h:107
Definition: vpx_image.h:61
const void * vpx_codec_iter_t
Iterator.
Definition: vpx_codec.h:182
vpx_image_t * vpx_codec_get_frame(vpx_codec_ctx_t *ctx, vpx_codec_iter_t *iter)
Decoded frames iterator.
int post_proc_flag
the types of post processing to be done, should be combination of &quot;vp8_postproc_level&quot; ...
Definition: vp8.h:91
Codec context structure.
Definition: vpx_codec.h:192