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 (ignored)");
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 static const arg_def_t framestatsarg =
98  ARG_DEF(NULL, "framestats", 1, "Output per-frame stats (.csv format)");
99 
100 static const arg_def_t *all_args[] = {
101  &codecarg, &use_yv12, &use_i420,
102  &flipuvarg, &rawvideo, &noblitarg,
103  &progressarg, &limitarg, &skiparg,
104  &postprocarg, &summaryarg, &outputfile,
105  &threadsarg, &frameparallelarg, &verbosearg,
106  &scalearg, &fb_arg, &md5arg,
107  &error_concealment, &continuearg,
108 #if CONFIG_VP9_HIGHBITDEPTH
109  &outbitdeptharg,
110 #endif
111  &svcdecodingarg, &framestatsarg, NULL
112 };
113 
114 #if CONFIG_VP8_DECODER
115 static const arg_def_t addnoise_level =
116  ARG_DEF(NULL, "noise-level", 1, "Enable VP8 postproc add noise");
117 static const arg_def_t deblock =
118  ARG_DEF(NULL, "deblock", 0, "Enable VP8 deblocking");
119 static const arg_def_t demacroblock_level = ARG_DEF(
120  NULL, "demacroblock-level", 1, "Enable VP8 demacroblocking, w/ level");
121 static const arg_def_t mfqe =
122  ARG_DEF(NULL, "mfqe", 0, "Enable multiframe quality enhancement");
123 
124 static const arg_def_t *vp8_pp_args[] = { &addnoise_level, &deblock,
125  &demacroblock_level, &mfqe, NULL };
126 #endif
127 
128 #if CONFIG_LIBYUV
129 static INLINE int libyuv_scale(vpx_image_t *src, vpx_image_t *dst,
130  FilterModeEnum mode) {
131 #if CONFIG_VP9_HIGHBITDEPTH
132  if (src->fmt == VPX_IMG_FMT_I42016) {
133  assert(dst->fmt == VPX_IMG_FMT_I42016);
134  return I420Scale_16(
135  (uint16_t *)src->planes[VPX_PLANE_Y], src->stride[VPX_PLANE_Y] / 2,
136  (uint16_t *)src->planes[VPX_PLANE_U], src->stride[VPX_PLANE_U] / 2,
137  (uint16_t *)src->planes[VPX_PLANE_V], src->stride[VPX_PLANE_V] / 2,
138  src->d_w, src->d_h, (uint16_t *)dst->planes[VPX_PLANE_Y],
139  dst->stride[VPX_PLANE_Y] / 2, (uint16_t *)dst->planes[VPX_PLANE_U],
140  dst->stride[VPX_PLANE_U] / 2, (uint16_t *)dst->planes[VPX_PLANE_V],
141  dst->stride[VPX_PLANE_V] / 2, dst->d_w, dst->d_h, mode);
142  }
143 #endif
144  assert(src->fmt == VPX_IMG_FMT_I420);
145  assert(dst->fmt == VPX_IMG_FMT_I420);
146  return I420Scale(src->planes[VPX_PLANE_Y], src->stride[VPX_PLANE_Y],
147  src->planes[VPX_PLANE_U], src->stride[VPX_PLANE_U],
148  src->planes[VPX_PLANE_V], src->stride[VPX_PLANE_V], src->d_w,
149  src->d_h, dst->planes[VPX_PLANE_Y], dst->stride[VPX_PLANE_Y],
150  dst->planes[VPX_PLANE_U], dst->stride[VPX_PLANE_U],
151  dst->planes[VPX_PLANE_V], dst->stride[VPX_PLANE_V], dst->d_w,
152  dst->d_h, mode);
153 }
154 #endif
155 
156 void usage_exit(void) {
157  int i;
158 
159  fprintf(stderr,
160  "Usage: %s <options> filename\n\n"
161  "Options:\n",
162  exec_name);
163  arg_show_usage(stderr, all_args);
164 #if CONFIG_VP8_DECODER
165  fprintf(stderr, "\nVP8 Postprocessing Options:\n");
166  arg_show_usage(stderr, vp8_pp_args);
167 #endif
168  fprintf(stderr,
169  "\nOutput File Patterns:\n\n"
170  " The -o argument specifies the name of the file(s) to "
171  "write to. If the\n argument does not include any escape "
172  "characters, the output will be\n written to a single file. "
173  "Otherwise, the filename will be calculated by\n expanding "
174  "the following escape characters:\n");
175  fprintf(stderr,
176  "\n\t%%w - Frame width"
177  "\n\t%%h - Frame height"
178  "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
179  "\n\n Pattern arguments are only supported in conjunction "
180  "with the --yv12 and\n --i420 options. If the -o option is "
181  "not specified, the output will be\n directed to stdout.\n");
182  fprintf(stderr, "\nIncluded decoders:\n\n");
183 
184  for (i = 0; i < get_vpx_decoder_count(); ++i) {
185  const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
186  fprintf(stderr, " %-6s - %s\n", decoder->name,
187  vpx_codec_iface_name(decoder->codec_interface()));
188  }
189 
190  exit(EXIT_FAILURE);
191 }
192 
193 static int raw_read_frame(FILE *infile, uint8_t **buffer, size_t *bytes_read,
194  size_t *buffer_size) {
195  char raw_hdr[RAW_FRAME_HDR_SZ];
196  size_t frame_size = 0;
197 
198  if (fread(raw_hdr, RAW_FRAME_HDR_SZ, 1, infile) != 1) {
199  if (!feof(infile)) warn("Failed to read RAW frame size\n");
200  } else {
201  const size_t kCorruptFrameThreshold = 256 * 1024 * 1024;
202  const size_t kFrameTooSmallThreshold = 256 * 1024;
203  frame_size = mem_get_le32(raw_hdr);
204 
205  if (frame_size > kCorruptFrameThreshold) {
206  warn("Read invalid frame size (%u)\n", (unsigned int)frame_size);
207  frame_size = 0;
208  }
209 
210  if (frame_size < kFrameTooSmallThreshold) {
211  warn("Warning: Read invalid frame size (%u) - not a raw file?\n",
212  (unsigned int)frame_size);
213  }
214 
215  if (frame_size > *buffer_size) {
216  uint8_t *new_buf = realloc(*buffer, 2 * frame_size);
217  if (new_buf) {
218  *buffer = new_buf;
219  *buffer_size = 2 * frame_size;
220  } else {
221  warn("Failed to allocate compressed data buffer\n");
222  frame_size = 0;
223  }
224  }
225  }
226 
227  if (!feof(infile)) {
228  if (fread(*buffer, 1, frame_size, infile) != frame_size) {
229  warn("Failed to read full frame\n");
230  return 1;
231  }
232  *bytes_read = frame_size;
233  }
234 
235  return 0;
236 }
237 
238 static int read_frame(struct VpxDecInputContext *input, uint8_t **buf,
239  size_t *bytes_in_buffer, size_t *buffer_size) {
240  switch (input->vpx_input_ctx->file_type) {
241 #if CONFIG_WEBM_IO
242  case FILE_TYPE_WEBM:
243  return webm_read_frame(input->webm_ctx, buf, bytes_in_buffer);
244 #endif
245  case FILE_TYPE_RAW:
246  return raw_read_frame(input->vpx_input_ctx->file, buf, bytes_in_buffer,
247  buffer_size);
248  case FILE_TYPE_IVF:
249  return ivf_read_frame(input->vpx_input_ctx->file, buf, bytes_in_buffer,
250  buffer_size);
251  default: return 1;
252  }
253 }
254 
255 static void update_image_md5(const vpx_image_t *img, const int planes[3],
256  MD5Context *md5) {
257  int i, y;
258 
259  for (i = 0; i < 3; ++i) {
260  const int plane = planes[i];
261  const unsigned char *buf = img->planes[plane];
262  const int stride = img->stride[plane];
263  const int w = vpx_img_plane_width(img, plane) *
264  ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
265  const int h = vpx_img_plane_height(img, plane);
266 
267  for (y = 0; y < h; ++y) {
268  MD5Update(md5, buf, w);
269  buf += stride;
270  }
271  }
272 }
273 
274 static void write_image_file(const vpx_image_t *img, const int planes[3],
275  FILE *file) {
276  int i, y;
277 #if CONFIG_VP9_HIGHBITDEPTH
278  const int bytes_per_sample = ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
279 #else
280  const int bytes_per_sample = 1;
281 #endif
282 
283  for (i = 0; i < 3; ++i) {
284  const int plane = planes[i];
285  const unsigned char *buf = img->planes[plane];
286  const int stride = img->stride[plane];
287  const int w = vpx_img_plane_width(img, plane);
288  const int h = vpx_img_plane_height(img, plane);
289 
290  for (y = 0; y < h; ++y) {
291  fwrite(buf, bytes_per_sample, w, file);
292  buf += stride;
293  }
294  }
295 }
296 
297 static int file_is_raw(struct VpxInputContext *input) {
298  uint8_t buf[32];
299  int is_raw = 0;
301 
302  si.sz = sizeof(si);
303 
304  if (fread(buf, 1, 32, input->file) == 32) {
305  int i;
306 
307  if (mem_get_le32(buf) < 256 * 1024 * 1024) {
308  for (i = 0; i < get_vpx_decoder_count(); ++i) {
309  const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
310  if (!vpx_codec_peek_stream_info(decoder->codec_interface(), buf + 4,
311  32 - 4, &si)) {
312  is_raw = 1;
313  input->fourcc = decoder->fourcc;
314  input->width = si.w;
315  input->height = si.h;
316  input->framerate.numerator = 30;
317  input->framerate.denominator = 1;
318  break;
319  }
320  }
321  }
322  }
323 
324  rewind(input->file);
325  return is_raw;
326 }
327 
328 static void show_progress(int frame_in, int frame_out, uint64_t dx_time) {
329  fprintf(stderr,
330  "%d decoded frames/%d showed frames in %" PRId64 " us (%.2f fps)\r",
331  frame_in, frame_out, dx_time,
332  (double)frame_out * 1000000.0 / (double)dx_time);
333 }
334 
335 struct ExternalFrameBuffer {
336  uint8_t *data;
337  size_t size;
338  int in_use;
339 };
340 
341 struct ExternalFrameBufferList {
342  int num_external_frame_buffers;
343  struct ExternalFrameBuffer *ext_fb;
344 };
345 
346 // Callback used by libvpx to request an external frame buffer. |cb_priv|
347 // Application private data passed into the set function. |min_size| is the
348 // minimum size in bytes needed to decode the next frame. |fb| pointer to the
349 // frame buffer.
350 static int get_vp9_frame_buffer(void *cb_priv, size_t min_size,
352  int i;
353  struct ExternalFrameBufferList *const ext_fb_list =
354  (struct ExternalFrameBufferList *)cb_priv;
355  if (ext_fb_list == NULL) return -1;
356 
357  // Find a free frame buffer.
358  for (i = 0; i < ext_fb_list->num_external_frame_buffers; ++i) {
359  if (!ext_fb_list->ext_fb[i].in_use) break;
360  }
361 
362  if (i == ext_fb_list->num_external_frame_buffers) return -1;
363 
364  if (ext_fb_list->ext_fb[i].size < min_size) {
365  free(ext_fb_list->ext_fb[i].data);
366  ext_fb_list->ext_fb[i].data = (uint8_t *)calloc(min_size, sizeof(uint8_t));
367  if (!ext_fb_list->ext_fb[i].data) return -1;
368 
369  ext_fb_list->ext_fb[i].size = min_size;
370  }
371 
372  fb->data = ext_fb_list->ext_fb[i].data;
373  fb->size = ext_fb_list->ext_fb[i].size;
374  ext_fb_list->ext_fb[i].in_use = 1;
375 
376  // Set the frame buffer's private data to point at the external frame buffer.
377  fb->priv = &ext_fb_list->ext_fb[i];
378  return 0;
379 }
380 
381 // Callback used by libvpx when there are no references to the frame buffer.
382 // |cb_priv| user private data passed into the set function. |fb| pointer
383 // to the frame buffer.
384 static int release_vp9_frame_buffer(void *cb_priv,
386  struct ExternalFrameBuffer *const ext_fb =
387  (struct ExternalFrameBuffer *)fb->priv;
388  (void)cb_priv;
389  ext_fb->in_use = 0;
390  return 0;
391 }
392 
393 static void generate_filename(const char *pattern, char *out, size_t q_len,
394  unsigned int d_w, unsigned int d_h,
395  unsigned int frame_in) {
396  const char *p = pattern;
397  char *q = out;
398 
399  do {
400  char *next_pat = strchr(p, '%');
401 
402  if (p == next_pat) {
403  size_t pat_len;
404 
405  /* parse the pattern */
406  q[q_len - 1] = '\0';
407  switch (p[1]) {
408  case 'w': snprintf(q, q_len - 1, "%d", d_w); break;
409  case 'h': snprintf(q, q_len - 1, "%d", d_h); break;
410  case '1': snprintf(q, q_len - 1, "%d", frame_in); break;
411  case '2': snprintf(q, q_len - 1, "%02d", frame_in); break;
412  case '3': snprintf(q, q_len - 1, "%03d", frame_in); break;
413  case '4': snprintf(q, q_len - 1, "%04d", frame_in); break;
414  case '5': snprintf(q, q_len - 1, "%05d", frame_in); break;
415  case '6': snprintf(q, q_len - 1, "%06d", frame_in); break;
416  case '7': snprintf(q, q_len - 1, "%07d", frame_in); break;
417  case '8': snprintf(q, q_len - 1, "%08d", frame_in); break;
418  case '9': snprintf(q, q_len - 1, "%09d", frame_in); break;
419  default: die("Unrecognized pattern %%%c\n", p[1]); break;
420  }
421 
422  pat_len = strlen(q);
423  if (pat_len >= q_len - 1) die("Output filename too long.\n");
424  q += pat_len;
425  p += 2;
426  q_len -= pat_len;
427  } else {
428  size_t copy_len;
429 
430  /* copy the next segment */
431  if (!next_pat)
432  copy_len = strlen(p);
433  else
434  copy_len = next_pat - p;
435 
436  if (copy_len >= q_len - 1) die("Output filename too long.\n");
437 
438  memcpy(q, p, copy_len);
439  q[copy_len] = '\0';
440  q += copy_len;
441  p += copy_len;
442  q_len -= copy_len;
443  }
444  } while (*p);
445 }
446 
447 static int is_single_file(const char *outfile_pattern) {
448  const char *p = outfile_pattern;
449 
450  do {
451  p = strchr(p, '%');
452  if (p && p[1] >= '1' && p[1] <= '9')
453  return 0; // pattern contains sequence number, so it's not unique
454  if (p) p++;
455  } while (p);
456 
457  return 1;
458 }
459 
460 static void print_md5(unsigned char digest[16], const char *filename) {
461  int i;
462 
463  for (i = 0; i < 16; ++i) printf("%02x", digest[i]);
464  printf(" %s\n", filename);
465 }
466 
467 static FILE *open_outfile(const char *name) {
468  if (strcmp("-", name) == 0) {
469  set_binary_mode(stdout);
470  return stdout;
471  } else {
472  FILE *file = fopen(name, "wb");
473  if (!file) fatal("Failed to open output file '%s'", name);
474  return file;
475  }
476 }
477 
478 #if CONFIG_VP9_HIGHBITDEPTH
479 static int img_shifted_realloc_required(const vpx_image_t *img,
480  const vpx_image_t *shifted,
481  vpx_img_fmt_t required_fmt) {
482  return img->d_w != shifted->d_w || img->d_h != shifted->d_h ||
483  required_fmt != shifted->fmt;
484 }
485 #endif
486 
487 static int main_loop(int argc, const char **argv_) {
488  vpx_codec_ctx_t decoder;
489  char *fn = NULL;
490  int i;
491  int ret = EXIT_FAILURE;
492  uint8_t *buf = NULL;
493  size_t bytes_in_buffer = 0, buffer_size = 0;
494  FILE *infile;
495  int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
496  int do_md5 = 0, progress = 0;
497  int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
498  int arg_skip = 0;
499  int ec_enabled = 0;
500  int keep_going = 0;
501  const VpxInterface *interface = NULL;
502  const VpxInterface *fourcc_interface = NULL;
503  uint64_t dx_time = 0;
504  struct arg arg;
505  char **argv, **argi, **argj;
506 
507  int single_file;
508  int use_y4m = 1;
509  int opt_yv12 = 0;
510  int opt_i420 = 0;
511  vpx_codec_dec_cfg_t cfg = { 0, 0, 0 };
512 #if CONFIG_VP9_HIGHBITDEPTH
513  unsigned int output_bit_depth = 0;
514 #endif
515  int svc_decoding = 0;
516  int svc_spatial_layer = 0;
517 #if CONFIG_VP8_DECODER
518  vp8_postproc_cfg_t vp8_pp_cfg = { 0, 0, 0 };
519 #endif
520  int frames_corrupted = 0;
521  int dec_flags = 0;
522  int do_scale = 0;
523  vpx_image_t *scaled_img = NULL;
524 #if CONFIG_VP9_HIGHBITDEPTH
525  vpx_image_t *img_shifted = NULL;
526 #endif
527  int frame_avail, got_data, flush_decoder = 0;
528  int num_external_frame_buffers = 0;
529  struct ExternalFrameBufferList ext_fb_list = { 0, NULL };
530 
531  const char *outfile_pattern = NULL;
532  char outfile_name[PATH_MAX] = { 0 };
533  FILE *outfile = NULL;
534 
535  FILE *framestats_file = NULL;
536 
537  MD5Context md5_ctx;
538  unsigned char md5_digest[16];
539 
540  struct VpxDecInputContext input = { NULL, NULL };
541  struct VpxInputContext vpx_input_ctx;
542 #if CONFIG_WEBM_IO
543  struct WebmInputContext webm_ctx;
544  memset(&(webm_ctx), 0, sizeof(webm_ctx));
545  input.webm_ctx = &webm_ctx;
546 #endif
547  input.vpx_input_ctx = &vpx_input_ctx;
548 
549  /* Parse command line */
550  exec_name = argv_[0];
551  argv = argv_dup(argc - 1, argv_ + 1);
552 
553  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
554  memset(&arg, 0, sizeof(arg));
555  arg.argv_step = 1;
556 
557  if (arg_match(&arg, &codecarg, argi)) {
558  interface = get_vpx_decoder_by_name(arg.val);
559  if (!interface)
560  die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
561  } else if (arg_match(&arg, &looparg, argi)) {
562  // no-op
563  } else if (arg_match(&arg, &outputfile, argi))
564  outfile_pattern = arg.val;
565  else if (arg_match(&arg, &use_yv12, argi)) {
566  use_y4m = 0;
567  flipuv = 1;
568  opt_yv12 = 1;
569  } else if (arg_match(&arg, &use_i420, argi)) {
570  use_y4m = 0;
571  flipuv = 0;
572  opt_i420 = 1;
573  } else if (arg_match(&arg, &rawvideo, argi)) {
574  use_y4m = 0;
575  } else if (arg_match(&arg, &flipuvarg, argi))
576  flipuv = 1;
577  else if (arg_match(&arg, &noblitarg, argi))
578  noblit = 1;
579  else if (arg_match(&arg, &progressarg, argi))
580  progress = 1;
581  else if (arg_match(&arg, &limitarg, argi))
582  stop_after = arg_parse_uint(&arg);
583  else if (arg_match(&arg, &skiparg, argi))
584  arg_skip = arg_parse_uint(&arg);
585  else if (arg_match(&arg, &postprocarg, argi))
586  postproc = 1;
587  else if (arg_match(&arg, &md5arg, argi))
588  do_md5 = 1;
589  else if (arg_match(&arg, &summaryarg, argi))
590  summary = 1;
591  else if (arg_match(&arg, &threadsarg, argi))
592  cfg.threads = arg_parse_uint(&arg);
593 #if CONFIG_VP9_DECODER
594  else if (arg_match(&arg, &frameparallelarg, argi)) {
595  /* ignored for compatibility */
596  }
597 #endif
598  else if (arg_match(&arg, &verbosearg, argi))
599  quiet = 0;
600  else if (arg_match(&arg, &scalearg, argi))
601  do_scale = 1;
602  else if (arg_match(&arg, &fb_arg, argi))
603  num_external_frame_buffers = arg_parse_uint(&arg);
604  else if (arg_match(&arg, &continuearg, argi))
605  keep_going = 1;
606 #if CONFIG_VP9_HIGHBITDEPTH
607  else if (arg_match(&arg, &outbitdeptharg, argi)) {
608  output_bit_depth = arg_parse_uint(&arg);
609  }
610 #endif
611  else if (arg_match(&arg, &svcdecodingarg, argi)) {
612  svc_decoding = 1;
613  svc_spatial_layer = arg_parse_uint(&arg);
614  } else if (arg_match(&arg, &framestatsarg, argi)) {
615  framestats_file = fopen(arg.val, "w");
616  if (!framestats_file) {
617  die("Error: Could not open --framestats file (%s) for writing.\n",
618  arg.val);
619  }
620  }
621 #if CONFIG_VP8_DECODER
622  else if (arg_match(&arg, &addnoise_level, argi)) {
623  postproc = 1;
624  vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
625  vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
626  } else if (arg_match(&arg, &demacroblock_level, argi)) {
627  postproc = 1;
628  vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
629  vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
630  } else if (arg_match(&arg, &deblock, argi)) {
631  postproc = 1;
632  vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
633  } else if (arg_match(&arg, &mfqe, argi)) {
634  postproc = 1;
635  vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
636  } else if (arg_match(&arg, &error_concealment, argi)) {
637  ec_enabled = 1;
638  }
639 #endif // CONFIG_VP8_DECODER
640  else
641  argj++;
642  }
643 
644  /* Check for unrecognized options */
645  for (argi = argv; *argi; argi++)
646  if (argi[0][0] == '-' && strlen(argi[0]) > 1)
647  die("Error: Unrecognized option %s\n", *argi);
648 
649  /* Handle non-option arguments */
650  fn = argv[0];
651 
652  if (!fn) {
653  free(argv);
654  usage_exit();
655  }
656  /* Open file */
657  infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
658 
659  if (!infile) {
660  fatal("Failed to open input file '%s'", strcmp(fn, "-") ? fn : "stdin");
661  }
662 #if CONFIG_OS_SUPPORT
663  /* Make sure we don't dump to the terminal, unless forced to with -o - */
664  if (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
665  fprintf(stderr,
666  "Not dumping raw video to your terminal. Use '-o -' to "
667  "override.\n");
668  return EXIT_FAILURE;
669  }
670 #endif
671  input.vpx_input_ctx->file = infile;
672  if (file_is_ivf(input.vpx_input_ctx))
673  input.vpx_input_ctx->file_type = FILE_TYPE_IVF;
674 #if CONFIG_WEBM_IO
675  else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
676  input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
677 #endif
678  else if (file_is_raw(input.vpx_input_ctx))
679  input.vpx_input_ctx->file_type = FILE_TYPE_RAW;
680  else {
681  fprintf(stderr, "Unrecognized input file type.\n");
682 #if !CONFIG_WEBM_IO
683  fprintf(stderr, "vpxdec was built without WebM container support.\n");
684 #endif
685  return EXIT_FAILURE;
686  }
687 
688  outfile_pattern = outfile_pattern ? outfile_pattern : "-";
689  single_file = is_single_file(outfile_pattern);
690 
691  if (!noblit && single_file) {
692  generate_filename(outfile_pattern, outfile_name, PATH_MAX,
693  vpx_input_ctx.width, vpx_input_ctx.height, 0);
694  if (do_md5)
695  MD5Init(&md5_ctx);
696  else
697  outfile = open_outfile(outfile_name);
698  }
699 
700  if (use_y4m && !noblit) {
701  if (!single_file) {
702  fprintf(stderr,
703  "YUV4MPEG2 not supported with output patterns,"
704  " try --i420 or --yv12 or --rawvideo.\n");
705  return EXIT_FAILURE;
706  }
707 
708 #if CONFIG_WEBM_IO
709  if (vpx_input_ctx.file_type == FILE_TYPE_WEBM) {
710  if (webm_guess_framerate(input.webm_ctx, input.vpx_input_ctx)) {
711  fprintf(stderr,
712  "Failed to guess framerate -- error parsing "
713  "webm file?\n");
714  return EXIT_FAILURE;
715  }
716  }
717 #endif
718  }
719 
720  fourcc_interface = get_vpx_decoder_by_fourcc(vpx_input_ctx.fourcc);
721  if (interface && fourcc_interface && interface != fourcc_interface)
722  warn("Header indicates codec: %s\n", fourcc_interface->name);
723  else
724  interface = fourcc_interface;
725 
726  if (!interface) interface = get_vpx_decoder_by_index(0);
727 
728  dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
729  (ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0);
730  if (vpx_codec_dec_init(&decoder, interface->codec_interface(), &cfg,
731  dec_flags)) {
732  fprintf(stderr, "Failed to initialize decoder: %s\n",
733  vpx_codec_error(&decoder));
734  goto fail2;
735  }
736  if (svc_decoding) {
738  svc_spatial_layer)) {
739  fprintf(stderr, "Failed to set spatial layer for svc decode: %s\n",
740  vpx_codec_error(&decoder));
741  goto fail;
742  }
743  }
744  if (!quiet) fprintf(stderr, "%s\n", decoder.name);
745 
746 #if CONFIG_VP8_DECODER
747  if (vp8_pp_cfg.post_proc_flag &&
748  vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg)) {
749  fprintf(stderr, "Failed to configure postproc: %s\n",
750  vpx_codec_error(&decoder));
751  goto fail;
752  }
753 #endif
754 
755  if (arg_skip) fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
756  while (arg_skip) {
757  if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) break;
758  arg_skip--;
759  }
760 
761  if (num_external_frame_buffers > 0) {
762  ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
763  ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
764  num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
765  if (vpx_codec_set_frame_buffer_functions(&decoder, get_vp9_frame_buffer,
766  release_vp9_frame_buffer,
767  &ext_fb_list)) {
768  fprintf(stderr, "Failed to configure external frame buffers: %s\n",
769  vpx_codec_error(&decoder));
770  goto fail;
771  }
772  }
773 
774  frame_avail = 1;
775  got_data = 0;
776 
777  if (framestats_file) fprintf(framestats_file, "bytes,qp\n");
778 
779  /* Decode file */
780  while (frame_avail || got_data) {
781  vpx_codec_iter_t iter = NULL;
782  vpx_image_t *img;
783  struct vpx_usec_timer timer;
784  int corrupted = 0;
785 
786  frame_avail = 0;
787  if (!stop_after || frame_in < stop_after) {
788  if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
789  frame_avail = 1;
790  frame_in++;
791 
792  vpx_usec_timer_start(&timer);
793 
794  if (vpx_codec_decode(&decoder, buf, (unsigned int)bytes_in_buffer, NULL,
795  0)) {
796  const char *detail = vpx_codec_error_detail(&decoder);
797  warn("Failed to decode frame %d: %s", frame_in,
798  vpx_codec_error(&decoder));
799  if (detail) warn("Additional information: %s", detail);
800  corrupted = 1;
801  if (!keep_going) goto fail;
802  }
803 
804  if (framestats_file) {
805  int qp;
806  if (vpx_codec_control(&decoder, VPXD_GET_LAST_QUANTIZER, &qp)) {
807  warn("Failed VPXD_GET_LAST_QUANTIZER: %s",
808  vpx_codec_error(&decoder));
809  if (!keep_going) goto fail;
810  }
811  fprintf(framestats_file, "%d,%d\n", (int)bytes_in_buffer, qp);
812  }
813 
814  vpx_usec_timer_mark(&timer);
815  dx_time += vpx_usec_timer_elapsed(&timer);
816  } else {
817  flush_decoder = 1;
818  }
819  } else {
820  flush_decoder = 1;
821  }
822 
823  vpx_usec_timer_start(&timer);
824 
825  if (flush_decoder) {
826  // Flush the decoder in frame parallel decode.
827  if (vpx_codec_decode(&decoder, NULL, 0, NULL, 0)) {
828  warn("Failed to flush decoder: %s", vpx_codec_error(&decoder));
829  corrupted = 1;
830  if (!keep_going) goto fail;
831  }
832  }
833 
834  got_data = 0;
835  if ((img = vpx_codec_get_frame(&decoder, &iter))) {
836  ++frame_out;
837  got_data = 1;
838  }
839 
840  vpx_usec_timer_mark(&timer);
841  dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
842 
843  if (!corrupted &&
844  vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
845  warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_codec_error(&decoder));
846  if (!keep_going) goto fail;
847  }
848  frames_corrupted += corrupted;
849 
850  if (progress) show_progress(frame_in, frame_out, dx_time);
851 
852  if (!noblit && img) {
853  const int PLANES_YUV[] = { VPX_PLANE_Y, VPX_PLANE_U, VPX_PLANE_V };
854  const int PLANES_YVU[] = { VPX_PLANE_Y, VPX_PLANE_V, VPX_PLANE_U };
855  const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
856 
857  if (do_scale) {
858  if (frame_out == 1) {
859  // If the output frames are to be scaled to a fixed display size then
860  // use the width and height specified in the container. If either of
861  // these is set to 0, use the display size set in the first frame
862  // header. If that is unavailable, use the raw decoded size of the
863  // first decoded frame.
864  int render_width = vpx_input_ctx.width;
865  int render_height = vpx_input_ctx.height;
866  if (!render_width || !render_height) {
867  int render_size[2];
869  render_size)) {
870  // As last resort use size of first frame as display size.
871  render_width = img->d_w;
872  render_height = img->d_h;
873  } else {
874  render_width = render_size[0];
875  render_height = render_size[1];
876  }
877  }
878  scaled_img =
879  vpx_img_alloc(NULL, img->fmt, render_width, render_height, 16);
880  scaled_img->bit_depth = img->bit_depth;
881  }
882 
883  if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
884 #if CONFIG_LIBYUV
885  libyuv_scale(img, scaled_img, kFilterBox);
886  img = scaled_img;
887 #else
888  fprintf(stderr,
889  "Failed to scale output frame: %s.\n"
890  "Scaling is disabled in this configuration. "
891  "To enable scaling, configure with --enable-libyuv\n",
892  vpx_codec_error(&decoder));
893  goto fail;
894 #endif
895  }
896  }
897 #if CONFIG_VP9_HIGHBITDEPTH
898  // Default to codec bit depth if output bit depth not set
899  if (!output_bit_depth && single_file && !do_md5) {
900  output_bit_depth = img->bit_depth;
901  }
902  // Shift up or down if necessary
903  if (output_bit_depth != 0 && output_bit_depth != img->bit_depth) {
904  const vpx_img_fmt_t shifted_fmt =
905  output_bit_depth == 8
906  ? img->fmt ^ (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH)
907  : img->fmt | VPX_IMG_FMT_HIGHBITDEPTH;
908  if (img_shifted &&
909  img_shifted_realloc_required(img, img_shifted, shifted_fmt)) {
910  vpx_img_free(img_shifted);
911  img_shifted = NULL;
912  }
913  if (!img_shifted) {
914  img_shifted =
915  vpx_img_alloc(NULL, shifted_fmt, img->d_w, img->d_h, 16);
916  img_shifted->bit_depth = output_bit_depth;
917  }
918  if (output_bit_depth > img->bit_depth) {
919  vpx_img_upshift(img_shifted, img, output_bit_depth - img->bit_depth);
920  } else {
921  vpx_img_downshift(img_shifted, img,
922  img->bit_depth - output_bit_depth);
923  }
924  img = img_shifted;
925  }
926 #endif
927 
928  if (single_file) {
929  if (use_y4m) {
930  char buf[Y4M_BUFFER_SIZE] = { 0 };
931  size_t len = 0;
932  if (img->fmt == VPX_IMG_FMT_I440 || img->fmt == VPX_IMG_FMT_I44016) {
933  fprintf(stderr, "Cannot produce y4m output for 440 sampling.\n");
934  goto fail;
935  }
936  if (frame_out == 1) {
937  // Y4M file header
938  len = y4m_write_file_header(
939  buf, sizeof(buf), vpx_input_ctx.width, vpx_input_ctx.height,
940  &vpx_input_ctx.framerate, img->fmt, img->bit_depth);
941  if (do_md5) {
942  MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
943  } else {
944  fputs(buf, outfile);
945  }
946  }
947 
948  // Y4M frame header
949  len = y4m_write_frame_header(buf, sizeof(buf));
950  if (do_md5) {
951  MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
952  } else {
953  fputs(buf, outfile);
954  }
955  } else {
956  if (frame_out == 1) {
957  // Check if --yv12 or --i420 options are consistent with the
958  // bit-stream decoded
959  if (opt_i420) {
960  if (img->fmt != VPX_IMG_FMT_I420 &&
961  img->fmt != VPX_IMG_FMT_I42016) {
962  fprintf(stderr, "Cannot produce i420 output for bit-stream.\n");
963  goto fail;
964  }
965  }
966  if (opt_yv12) {
967  if ((img->fmt != VPX_IMG_FMT_I420 &&
968  img->fmt != VPX_IMG_FMT_YV12) ||
969  img->bit_depth != 8) {
970  fprintf(stderr, "Cannot produce yv12 output for bit-stream.\n");
971  goto fail;
972  }
973  }
974  }
975  }
976 
977  if (do_md5) {
978  update_image_md5(img, planes, &md5_ctx);
979  } else {
980  if (!corrupted) write_image_file(img, planes, outfile);
981  }
982  } else {
983  generate_filename(outfile_pattern, outfile_name, PATH_MAX, img->d_w,
984  img->d_h, frame_in);
985  if (do_md5) {
986  MD5Init(&md5_ctx);
987  update_image_md5(img, planes, &md5_ctx);
988  MD5Final(md5_digest, &md5_ctx);
989  print_md5(md5_digest, outfile_name);
990  } else {
991  outfile = open_outfile(outfile_name);
992  write_image_file(img, planes, outfile);
993  fclose(outfile);
994  }
995  }
996  }
997  }
998 
999  if (summary || progress) {
1000  show_progress(frame_in, frame_out, dx_time);
1001  fprintf(stderr, "\n");
1002  }
1003 
1004  if (frames_corrupted) {
1005  fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
1006  } else {
1007  ret = EXIT_SUCCESS;
1008  }
1009 
1010 fail:
1011 
1012  if (vpx_codec_destroy(&decoder)) {
1013  fprintf(stderr, "Failed to destroy decoder: %s\n",
1014  vpx_codec_error(&decoder));
1015  }
1016 
1017 fail2:
1018 
1019  if (!noblit && single_file) {
1020  if (do_md5) {
1021  MD5Final(md5_digest, &md5_ctx);
1022  print_md5(md5_digest, outfile_name);
1023  } else {
1024  fclose(outfile);
1025  }
1026  }
1027 
1028 #if CONFIG_WEBM_IO
1029  if (input.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
1030  webm_free(input.webm_ctx);
1031 #endif
1032 
1033  if (input.vpx_input_ctx->file_type != FILE_TYPE_WEBM) free(buf);
1034 
1035  if (scaled_img) vpx_img_free(scaled_img);
1036 #if CONFIG_VP9_HIGHBITDEPTH
1037  if (img_shifted) vpx_img_free(img_shifted);
1038 #endif
1039 
1040  for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
1041  free(ext_fb_list.ext_fb[i].data);
1042  }
1043  free(ext_fb_list.ext_fb);
1044 
1045  fclose(infile);
1046  if (framestats_file) fclose(framestats_file);
1047 
1048  free(argv);
1049 
1050  return ret;
1051 }
1052 
1053 int main(int argc, const char **argv_) {
1054  unsigned int loops = 1, i;
1055  char **argv, **argi, **argj;
1056  struct arg arg;
1057  int error = 0;
1058 
1059  argv = argv_dup(argc - 1, argv_ + 1);
1060  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
1061  memset(&arg, 0, sizeof(arg));
1062  arg.argv_step = 1;
1063 
1064  if (arg_match(&arg, &looparg, argi)) {
1065  loops = arg_parse_uint(&arg);
1066  break;
1067  }
1068  }
1069  free(argv);
1070  for (i = 0; !error && i < loops; i++) error = main_loop(argc, argv_);
1071  return error;
1072 }
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:197
#define VPX_PLANE_V
Definition: vpx_image.h:114
Codec control function to get last decoded frame quantizer.
Definition: vp8dx.h:125
#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
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:403
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:186
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 "vp8_postproc_level" ...
Definition: vp8.h:91
Codec context structure.
Definition: vpx_codec.h:196