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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 <stdio.h>
13 #include <stdlib.h>
14 #include <stdarg.h>
15 #include <string.h>
16 #include <limits.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 = ARG_DEF(
51 NULL, "loops", 1, "Number of times to decode the file");
52 static const arg_def_t codecarg = ARG_DEF(
53 NULL, "codec", 1, "Codec to use");
54 static const arg_def_t use_yv12 = ARG_DEF(
55 NULL, "yv12", 0, "Output raw YV12 frames");
56 static const arg_def_t use_i420 = ARG_DEF(
57 NULL, "i420", 0, "Output raw I420 frames");
58 static const arg_def_t flipuvarg = ARG_DEF(
59 NULL, "flipuv", 0, "Flip the chroma planes in the output");
60 static const arg_def_t rawvideo = ARG_DEF(
61 NULL, "rawvideo", 0, "Output raw YUV frames");
62 static const arg_def_t noblitarg = ARG_DEF(
63 NULL, "noblit", 0, "Don't process the decoded frames");
64 static const arg_def_t progressarg = ARG_DEF(
65 NULL, "progress", 0, "Show progress after each frame decodes");
66 static const arg_def_t limitarg = ARG_DEF(
67 NULL, "limit", 1, "Stop decoding after n frames");
68 static const arg_def_t skiparg = ARG_DEF(
69 NULL, "skip", 1, "Skip the first n input frames");
70 static const arg_def_t postprocarg = ARG_DEF(
71 NULL, "postproc", 0, "Postprocess decoded frames");
72 static const arg_def_t summaryarg = ARG_DEF(
73 NULL, "summary", 0, "Show timing summary");
74 static const arg_def_t outputfile = ARG_DEF(
75 "o", "output", 1, "Output file name pattern (see below)");
76 static const arg_def_t threadsarg = ARG_DEF(
77 "t", "threads", 1, "Max threads to use");
78 static const arg_def_t frameparallelarg = ARG_DEF(
79 NULL, "frame-parallel", 0, "Frame parallel decode");
80 static const arg_def_t verbosearg = ARG_DEF(
81 "v", "verbose", 0, "Show version string");
82 static const arg_def_t error_concealment = ARG_DEF(
83 NULL, "error-concealment", 0, "Enable decoder error-concealment");
84 static const arg_def_t scalearg = ARG_DEF(
85 "S", "scale", 0, "Scale output frames uniformly");
86 static const arg_def_t continuearg = ARG_DEF(
87 "k", "keep-going", 0, "(debug) Continue decoding after error");
88 static const arg_def_t fb_arg = ARG_DEF(
89 NULL, "frame-buffers", 1, "Number of frame buffers to use");
90 static const arg_def_t md5arg = ARG_DEF(
91 NULL, "md5", 0, "Compute the MD5 sum of the decoded frame");
92 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
93 static const arg_def_t outbitdeptharg = ARG_DEF(
94 NULL, "output-bit-depth", 1, "Output bit-depth for decoded frames");
95 #endif
96
97 static const arg_def_t *all_args[] = {
98 &codecarg, &use_yv12, &use_i420, &flipuvarg, &rawvideo, &noblitarg,
99 &progressarg, &limitarg, &skiparg, &postprocarg, &summaryarg, &outputfile,
100 &threadsarg, &frameparallelarg, &verbosearg, &scalearg, &fb_arg,
101 &md5arg, &error_concealment, &continuearg,
102 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
103 &outbitdeptharg,
104 #endif
105 NULL
106 };
107
108 #if CONFIG_VP8_DECODER
109 static const arg_def_t addnoise_level = ARG_DEF(NULL, "noise-level", 1,
110 "Enable VP8 postproc add noise");
111 static const arg_def_t deblock = ARG_DEF(NULL, "deblock", 0,
112 "Enable VP8 deblocking");
113 static const arg_def_t demacroblock_level = ARG_DEF(NULL, "demacroblock-level", 1,
114 "Enable VP8 demacroblocking, w/ level");
115 static const arg_def_t pp_debug_info = ARG_DEF(NULL, "pp-debug-info", 1,
116 "Enable VP8 visible debug info");
117 static const arg_def_t pp_disp_ref_frame = ARG_DEF(NULL, "pp-dbg-ref-frame", 1,
118 "Display only selected reference frame per macro block");
119 static const arg_def_t pp_disp_mb_modes = ARG_DEF(NULL, "pp-dbg-mb-modes", 1,
120 "Display only selected macro block modes");
121 static const arg_def_t pp_disp_b_modes = ARG_DEF(NULL, "pp-dbg-b-modes", 1,
122 "Display only selected block modes");
123 static const arg_def_t pp_disp_mvs = ARG_DEF(NULL, "pp-dbg-mvs", 1,
124 "Draw only selected motion vectors");
125 static const arg_def_t mfqe = ARG_DEF(NULL, "mfqe", 0,
126 "Enable multiframe quality enhancement");
127
128 static const arg_def_t *vp8_pp_args[] = {
129 &addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
130 &pp_disp_ref_frame, &pp_disp_mb_modes, &pp_disp_b_modes, &pp_disp_mvs, &mfqe,
131 NULL
132 };
133 #endif
134
135 #if CONFIG_LIBYUV
136 static INLINE int libyuv_scale(vpx_image_t *src, vpx_image_t *dst,
137 FilterModeEnum mode) {
138 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
139 if (src->fmt == VPX_IMG_FMT_I42016) {
140 assert(dst->fmt == VPX_IMG_FMT_I42016);
141 return I420Scale_16((uint16_t*)src->planes[VPX_PLANE_Y],
142 src->stride[VPX_PLANE_Y]/2,
143 (uint16_t*)src->planes[VPX_PLANE_U],
144 src->stride[VPX_PLANE_U]/2,
145 (uint16_t*)src->planes[VPX_PLANE_V],
146 src->stride[VPX_PLANE_V]/2,
147 src->d_w, src->d_h,
148 (uint16_t*)dst->planes[VPX_PLANE_Y],
149 dst->stride[VPX_PLANE_Y]/2,
150 (uint16_t*)dst->planes[VPX_PLANE_U],
151 dst->stride[VPX_PLANE_U]/2,
152 (uint16_t*)dst->planes[VPX_PLANE_V],
153 dst->stride[VPX_PLANE_V]/2,
154 dst->d_w, dst->d_h,
155 mode);
156 }
157 #endif
158 assert(src->fmt == VPX_IMG_FMT_I420);
159 assert(dst->fmt == VPX_IMG_FMT_I420);
160 return I420Scale(src->planes[VPX_PLANE_Y], src->stride[VPX_PLANE_Y],
161 src->planes[VPX_PLANE_U], src->stride[VPX_PLANE_U],
162 src->planes[VPX_PLANE_V], src->stride[VPX_PLANE_V],
163 src->d_w, src->d_h,
164 dst->planes[VPX_PLANE_Y], dst->stride[VPX_PLANE_Y],
165 dst->planes[VPX_PLANE_U], dst->stride[VPX_PLANE_U],
166 dst->planes[VPX_PLANE_V], dst->stride[VPX_PLANE_V],
167 dst->d_w, dst->d_h,
168 mode);
169 }
170 #endif
171
172 void usage_exit() {
173 int i;
174
175 fprintf(stderr, "Usage: %s <options> filename\n\n"
176 "Options:\n", exec_name);
177 arg_show_usage(stderr, all_args);
178 #if CONFIG_VP8_DECODER
179 fprintf(stderr, "\nVP8 Postprocessing Options:\n");
180 arg_show_usage(stderr, vp8_pp_args);
181 #endif
182 fprintf(stderr,
183 "\nOutput File Patterns:\n\n"
184 " The -o argument specifies the name of the file(s) to "
185 "write to. If the\n argument does not include any escape "
186 "characters, the output will be\n written to a single file. "
187 "Otherwise, the filename will be calculated by\n expanding "
188 "the following escape characters:\n");
189 fprintf(stderr,
190 "\n\t%%w - Frame width"
191 "\n\t%%h - Frame height"
192 "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
193 "\n\n Pattern arguments are only supported in conjunction "
194 "with the --yv12 and\n --i420 options. If the -o option is "
195 "not specified, the output will be\n directed to stdout.\n"
196 );
197 fprintf(stderr, "\nIncluded decoders:\n\n");
198
199 for (i = 0; i < get_vpx_decoder_count(); ++i) {
200 const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
201 fprintf(stderr, " %-6s - %s\n",
202 decoder->name, vpx_codec_iface_name(decoder->codec_interface()));
203 }
204
205 exit(EXIT_FAILURE);
206 }
207
208 static int raw_read_frame(FILE *infile, uint8_t **buffer,
209 size_t *bytes_read, size_t *buffer_size) {
210 char raw_hdr[RAW_FRAME_HDR_SZ];
211 size_t frame_size = 0;
212
213 if (fread(raw_hdr, RAW_FRAME_HDR_SZ, 1, infile) != 1) {
214 if (!feof(infile))
215 warn("Failed to read RAW frame size\n");
216 } else {
217 const size_t kCorruptFrameThreshold = 256 * 1024 * 1024;
218 const size_t kFrameTooSmallThreshold = 256 * 1024;
219 frame_size = mem_get_le32(raw_hdr);
220
221 if (frame_size > kCorruptFrameThreshold) {
222 warn("Read invalid frame size (%u)\n", (unsigned int)frame_size);
223 frame_size = 0;
224 }
225
226 if (frame_size < kFrameTooSmallThreshold) {
227 warn("Warning: Read invalid frame size (%u) - not a raw file?\n",
228 (unsigned int)frame_size);
229 }
230
231 if (frame_size > *buffer_size) {
232 uint8_t *new_buf = realloc(*buffer, 2 * frame_size);
233 if (new_buf) {
234 *buffer = new_buf;
235 *buffer_size = 2 * frame_size;
236 } else {
237 warn("Failed to allocate compressed data buffer\n");
238 frame_size = 0;
239 }
240 }
241 }
242
243 if (!feof(infile)) {
244 if (fread(*buffer, 1, frame_size, infile) != frame_size) {
245 warn("Failed to read full frame\n");
246 return 1;
247 }
248 *bytes_read = frame_size;
249 }
250
251 return 0;
252 }
253
254 static int read_frame(struct VpxDecInputContext *input, uint8_t **buf,
255 size_t *bytes_in_buffer, size_t *buffer_size) {
256 switch (input->vpx_input_ctx->file_type) {
257 #if CONFIG_WEBM_IO
258 case FILE_TYPE_WEBM:
259 return webm_read_frame(input->webm_ctx,
260 buf, bytes_in_buffer, buffer_size);
261 #endif
262 case FILE_TYPE_RAW:
263 return raw_read_frame(input->vpx_input_ctx->file,
264 buf, bytes_in_buffer, buffer_size);
265 case FILE_TYPE_IVF:
266 return ivf_read_frame(input->vpx_input_ctx->file,
267 buf, bytes_in_buffer, buffer_size);
268 default:
269 return 1;
270 }
271 }
272
273 static void update_image_md5(const vpx_image_t *img, const int planes[3],
274 MD5Context *md5) {
275 int i, y;
276
277 for (i = 0; i < 3; ++i) {
278 const int plane = planes[i];
279 const unsigned char *buf = img->planes[plane];
280 const int stride = img->stride[plane];
281 const int w = vpx_img_plane_width(img, plane) *
282 ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
283 const int h = vpx_img_plane_height(img, plane);
284
285 for (y = 0; y < h; ++y) {
286 MD5Update(md5, buf, w);
287 buf += stride;
288 }
289 }
290 }
291
292 static void write_image_file(const vpx_image_t *img, const int planes[3],
293 FILE *file) {
294 int i, y;
295 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
296 const int bytes_per_sample = ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
297 #else
298 const int bytes_per_sample = 1;
299 #endif
300
301 for (i = 0; i < 3; ++i) {
302 const int plane = planes[i];
303 const unsigned char *buf = img->planes[plane];
304 const int stride = img->stride[plane];
305 const int w = vpx_img_plane_width(img, plane);
306 const int h = vpx_img_plane_height(img, plane);
307
308 for (y = 0; y < h; ++y) {
309 fwrite(buf, bytes_per_sample, w, file);
310 buf += stride;
311 }
312 }
313 }
314
315 int file_is_raw(struct VpxInputContext *input) {
316 uint8_t buf[32];
317 int is_raw = 0;
318 vpx_codec_stream_info_t si;
319
320 si.sz = sizeof(si);
321
322 if (fread(buf, 1, 32, input->file) == 32) {
323 int i;
324
325 if (mem_get_le32(buf) < 256 * 1024 * 1024) {
326 for (i = 0; i < get_vpx_decoder_count(); ++i) {
327 const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
328 if (!vpx_codec_peek_stream_info(decoder->codec_interface(),
329 buf + 4, 32 - 4, &si)) {
330 is_raw = 1;
331 input->fourcc = decoder->fourcc;
332 input->width = si.w;
333 input->height = si.h;
334 input->framerate.numerator = 30;
335 input->framerate.denominator = 1;
336 break;
337 }
338 }
339 }
340 }
341
342 rewind(input->file);
343 return is_raw;
344 }
345
346 void show_progress(int frame_in, int frame_out, uint64_t dx_time) {
347 fprintf(stderr,
348 "%d decoded frames/%d showed frames in %"PRId64" us (%.2f fps)\r",
349 frame_in, frame_out, dx_time,
350 (double)frame_out * 1000000.0 / (double)dx_time);
351 }
352
353 struct ExternalFrameBuffer {
354 uint8_t* data;
355 size_t size;
356 int in_use;
357 };
358
359 struct ExternalFrameBufferList {
360 int num_external_frame_buffers;
361 struct ExternalFrameBuffer *ext_fb;
362 };
363
364 // Callback used by libvpx to request an external frame buffer. |cb_priv|
365 // Application private data passed into the set function. |min_size| is the
366 // minimum size in bytes needed to decode the next frame. |fb| pointer to the
367 // frame buffer.
368 int get_vp9_frame_buffer(void *cb_priv, size_t min_size,
369 vpx_codec_frame_buffer_t *fb) {
370 int i;
371 struct ExternalFrameBufferList *const ext_fb_list =
372 (struct ExternalFrameBufferList *)cb_priv;
373 if (ext_fb_list == NULL)
374 return -1;
375
376 // Find a free frame buffer.
377 for (i = 0; i < ext_fb_list->num_external_frame_buffers; ++i) {
378 if (!ext_fb_list->ext_fb[i].in_use)
379 break;
380 }
381
382 if (i == ext_fb_list->num_external_frame_buffers)
383 return -1;
384
385 if (ext_fb_list->ext_fb[i].size < min_size) {
386 free(ext_fb_list->ext_fb[i].data);
387 ext_fb_list->ext_fb[i].data = (uint8_t *)calloc(min_size, sizeof(uint8_t));
388 if (!ext_fb_list->ext_fb[i].data)
389 return -1;
390
391 ext_fb_list->ext_fb[i].size = min_size;
392 }
393
394 fb->data = ext_fb_list->ext_fb[i].data;
395 fb->size = ext_fb_list->ext_fb[i].size;
396 ext_fb_list->ext_fb[i].in_use = 1;
397
398 // Set the frame buffer's private data to point at the external frame buffer.
399 fb->priv = &ext_fb_list->ext_fb[i];
400 return 0;
401 }
402
403 // Callback used by libvpx when there are no references to the frame buffer.
404 // |cb_priv| user private data passed into the set function. |fb| pointer
405 // to the frame buffer.
406 int release_vp9_frame_buffer(void *cb_priv,
407 vpx_codec_frame_buffer_t *fb) {
408 struct ExternalFrameBuffer *const ext_fb =
409 (struct ExternalFrameBuffer *)fb->priv;
410 (void)cb_priv;
411 ext_fb->in_use = 0;
412 return 0;
413 }
414
415 void generate_filename(const char *pattern, char *out, size_t q_len,
416 unsigned int d_w, unsigned int d_h,
417 unsigned int frame_in) {
418 const char *p = pattern;
419 char *q = out;
420
421 do {
422 char *next_pat = strchr(p, '%');
423
424 if (p == next_pat) {
425 size_t pat_len;
426
427 /* parse the pattern */
428 q[q_len - 1] = '\0';
429 switch (p[1]) {
430 case 'w':
431 snprintf(q, q_len - 1, "%d", d_w);
432 break;
433 case 'h':
434 snprintf(q, q_len - 1, "%d", d_h);
435 break;
436 case '1':
437 snprintf(q, q_len - 1, "%d", frame_in);
438 break;
439 case '2':
440 snprintf(q, q_len - 1, "%02d", frame_in);
441 break;
442 case '3':
443 snprintf(q, q_len - 1, "%03d", frame_in);
444 break;
445 case '4':
446 snprintf(q, q_len - 1, "%04d", frame_in);
447 break;
448 case '5':
449 snprintf(q, q_len - 1, "%05d", frame_in);
450 break;
451 case '6':
452 snprintf(q, q_len - 1, "%06d", frame_in);
453 break;
454 case '7':
455 snprintf(q, q_len - 1, "%07d", frame_in);
456 break;
457 case '8':
458 snprintf(q, q_len - 1, "%08d", frame_in);
459 break;
460 case '9':
461 snprintf(q, q_len - 1, "%09d", frame_in);
462 break;
463 default:
464 die("Unrecognized pattern %%%c\n", p[1]);
465 break;
466 }
467
468 pat_len = strlen(q);
469 if (pat_len >= q_len - 1)
470 die("Output filename too long.\n");
471 q += pat_len;
472 p += 2;
473 q_len -= pat_len;
474 } else {
475 size_t copy_len;
476
477 /* copy the next segment */
478 if (!next_pat)
479 copy_len = strlen(p);
480 else
481 copy_len = next_pat - p;
482
483 if (copy_len >= q_len - 1)
484 die("Output filename too long.\n");
485
486 memcpy(q, p, copy_len);
487 q[copy_len] = '\0';
488 q += copy_len;
489 p += copy_len;
490 q_len -= copy_len;
491 }
492 } while (*p);
493 }
494
495 static int is_single_file(const char *outfile_pattern) {
496 const char *p = outfile_pattern;
497
498 do {
499 p = strchr(p, '%');
500 if (p && p[1] >= '1' && p[1] <= '9')
501 return 0; // pattern contains sequence number, so it's not unique
502 if (p)
503 p++;
504 } while (p);
505
506 return 1;
507 }
508
509 static void print_md5(unsigned char digest[16], const char *filename) {
510 int i;
511
512 for (i = 0; i < 16; ++i)
513 printf("%02x", digest[i]);
514 printf(" %s\n", filename);
515 }
516
517 static FILE *open_outfile(const char *name) {
518 if (strcmp("-", name) == 0) {
519 set_binary_mode(stdout);
520 return stdout;
521 } else {
522 FILE *file = fopen(name, "wb");
523 if (!file)
524 fatal("Failed to open output file '%s'", name);
525 return file;
526 }
527 }
528
529 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
530 static int img_shifted_realloc_required(const vpx_image_t *img,
531 const vpx_image_t *shifted,
532 vpx_img_fmt_t required_fmt) {
533 return img->d_w != shifted->d_w ||
534 img->d_h != shifted->d_h ||
535 required_fmt != shifted->fmt;
536 }
537 #endif
538
539 int main_loop(int argc, const char **argv_) {
540 vpx_codec_ctx_t decoder;
541 char *fn = NULL;
542 int i;
543 uint8_t *buf = NULL;
544 size_t bytes_in_buffer = 0, buffer_size = 0;
545 FILE *infile;
546 int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
547 int do_md5 = 0, progress = 0, frame_parallel = 0;
548 int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
549 int arg_skip = 0;
550 int ec_enabled = 0;
551 int keep_going = 0;
552 const VpxInterface *interface = NULL;
553 const VpxInterface *fourcc_interface = NULL;
554 uint64_t dx_time = 0;
555 struct arg arg;
556 char **argv, **argi, **argj;
557
558 int single_file;
559 int use_y4m = 1;
560 int opt_yv12 = 0;
561 int opt_i420 = 0;
562 vpx_codec_dec_cfg_t cfg = {0, 0, 0};
563 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
564 int output_bit_depth = 0;
565 #endif
566 #if CONFIG_VP8_DECODER
567 vp8_postproc_cfg_t vp8_pp_cfg = {0};
568 int vp8_dbg_color_ref_frame = 0;
569 int vp8_dbg_color_mb_modes = 0;
570 int vp8_dbg_color_b_modes = 0;
571 int vp8_dbg_display_mv = 0;
572 #endif
573 int frames_corrupted = 0;
574 int dec_flags = 0;
575 int do_scale = 0;
576 vpx_image_t *scaled_img = NULL;
577 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
578 vpx_image_t *img_shifted = NULL;
579 #endif
580 int frame_avail, got_data, flush_decoder = 0;
581 int num_external_frame_buffers = 0;
582 struct ExternalFrameBufferList ext_fb_list = {0, NULL};
583
584 const char *outfile_pattern = NULL;
585 char outfile_name[PATH_MAX] = {0};
586 FILE *outfile = NULL;
587
588 MD5Context md5_ctx;
589 unsigned char md5_digest[16];
590
591 struct VpxDecInputContext input = {NULL, NULL};
592 struct VpxInputContext vpx_input_ctx;
593 #if CONFIG_WEBM_IO
594 struct WebmInputContext webm_ctx;
595 memset(&(webm_ctx), 0, sizeof(webm_ctx));
596 input.webm_ctx = &webm_ctx;
597 #endif
598 input.vpx_input_ctx = &vpx_input_ctx;
599
600 /* Parse command line */
601 exec_name = argv_[0];
602 argv = argv_dup(argc - 1, argv_ + 1);
603
604 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
605 memset(&arg, 0, sizeof(arg));
606 arg.argv_step = 1;
607
608 if (arg_match(&arg, &codecarg, argi)) {
609 interface = get_vpx_decoder_by_name(arg.val);
610 if (!interface)
611 die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
612 } else if (arg_match(&arg, &looparg, argi)) {
613 // no-op
614 } else if (arg_match(&arg, &outputfile, argi))
615 outfile_pattern = arg.val;
616 else if (arg_match(&arg, &use_yv12, argi)) {
617 use_y4m = 0;
618 flipuv = 1;
619 opt_yv12 = 1;
620 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
621 output_bit_depth = 8; // For yv12 8-bit depth output is assumed
622 #endif
623 } else if (arg_match(&arg, &use_i420, argi)) {
624 use_y4m = 0;
625 flipuv = 0;
626 opt_i420 = 1;
627 } else if (arg_match(&arg, &rawvideo, argi)) {
628 use_y4m = 0;
629 } else if (arg_match(&arg, &flipuvarg, argi))
630 flipuv = 1;
631 else if (arg_match(&arg, &noblitarg, argi))
632 noblit = 1;
633 else if (arg_match(&arg, &progressarg, argi))
634 progress = 1;
635 else if (arg_match(&arg, &limitarg, argi))
636 stop_after = arg_parse_uint(&arg);
637 else if (arg_match(&arg, &skiparg, argi))
638 arg_skip = arg_parse_uint(&arg);
639 else if (arg_match(&arg, &postprocarg, argi))
640 postproc = 1;
641 else if (arg_match(&arg, &md5arg, argi))
642 do_md5 = 1;
643 else if (arg_match(&arg, &summaryarg, argi))
644 summary = 1;
645 else if (arg_match(&arg, &threadsarg, argi))
646 cfg.threads = arg_parse_uint(&arg);
647 #if CONFIG_VP9_DECODER
648 else if (arg_match(&arg, &frameparallelarg, argi))
649 frame_parallel = 1;
650 #endif
651 else if (arg_match(&arg, &verbosearg, argi))
652 quiet = 0;
653 else if (arg_match(&arg, &scalearg, argi))
654 do_scale = 1;
655 else if (arg_match(&arg, &fb_arg, argi))
656 num_external_frame_buffers = arg_parse_uint(&arg);
657 else if (arg_match(&arg, &continuearg, argi))
658 keep_going = 1;
659 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
660 else if (arg_match(&arg, &outbitdeptharg, argi)) {
661 output_bit_depth = arg_parse_uint(&arg);
662 }
663 #endif
664 #if CONFIG_VP8_DECODER
665 else if (arg_match(&arg, &addnoise_level, argi)) {
666 postproc = 1;
667 vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
668 vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
669 } else if (arg_match(&arg, &demacroblock_level, argi)) {
670 postproc = 1;
671 vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
672 vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
673 } else if (arg_match(&arg, &deblock, argi)) {
674 postproc = 1;
675 vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
676 } else if (arg_match(&arg, &mfqe, argi)) {
677 postproc = 1;
678 vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
679 } else if (arg_match(&arg, &pp_debug_info, argi)) {
680 unsigned int level = arg_parse_uint(&arg);
681
682 postproc = 1;
683 vp8_pp_cfg.post_proc_flag &= ~0x7;
684
685 if (level)
686 vp8_pp_cfg.post_proc_flag |= level;
687 } else if (arg_match(&arg, &pp_disp_ref_frame, argi)) {
688 unsigned int flags = arg_parse_int(&arg);
689 if (flags) {
690 postproc = 1;
691 vp8_dbg_color_ref_frame = flags;
692 }
693 } else if (arg_match(&arg, &pp_disp_mb_modes, argi)) {
694 unsigned int flags = arg_parse_int(&arg);
695 if (flags) {
696 postproc = 1;
697 vp8_dbg_color_mb_modes = flags;
698 }
699 } else if (arg_match(&arg, &pp_disp_b_modes, argi)) {
700 unsigned int flags = arg_parse_int(&arg);
701 if (flags) {
702 postproc = 1;
703 vp8_dbg_color_b_modes = flags;
704 }
705 } else if (arg_match(&arg, &pp_disp_mvs, argi)) {
706 unsigned int flags = arg_parse_int(&arg);
707 if (flags) {
708 postproc = 1;
709 vp8_dbg_display_mv = flags;
710 }
711 } else if (arg_match(&arg, &error_concealment, argi)) {
712 ec_enabled = 1;
713 }
714 #endif // CONFIG_VP8_DECODER
715 else
716 argj++;
717 }
718
719 /* Check for unrecognized options */
720 for (argi = argv; *argi; argi++)
721 if (argi[0][0] == '-' && strlen(argi[0]) > 1)
722 die("Error: Unrecognized option %s\n", *argi);
723
724 /* Handle non-option arguments */
725 fn = argv[0];
726
727 if (!fn) {
728 free(argv);
729 usage_exit();
730 }
731 /* Open file */
732 infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
733
734 if (!infile) {
735 fatal("Failed to open input file '%s'", strcmp(fn, "-") ? fn : "stdin");
736 }
737 #if CONFIG_OS_SUPPORT
738 /* Make sure we don't dump to the terminal, unless forced to with -o - */
739 if (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
740 fprintf(stderr,
741 "Not dumping raw video to your terminal. Use '-o -' to "
742 "override.\n");
743 return EXIT_FAILURE;
744 }
745 #endif
746 input.vpx_input_ctx->file = infile;
747 if (file_is_ivf(input.vpx_input_ctx))
748 input.vpx_input_ctx->file_type = FILE_TYPE_IVF;
749 #if CONFIG_WEBM_IO
750 else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
751 input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
752 #endif
753 else if (file_is_raw(input.vpx_input_ctx))
754 input.vpx_input_ctx->file_type = FILE_TYPE_RAW;
755 else {
756 fprintf(stderr, "Unrecognized input file type.\n");
757 #if !CONFIG_WEBM_IO
758 fprintf(stderr, "vpxdec was built without WebM container support.\n");
759 #endif
760 return EXIT_FAILURE;
761 }
762
763 outfile_pattern = outfile_pattern ? outfile_pattern : "-";
764 single_file = is_single_file(outfile_pattern);
765
766 if (!noblit && single_file) {
767 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
768 vpx_input_ctx.width, vpx_input_ctx.height, 0);
769 if (do_md5)
770 MD5Init(&md5_ctx);
771 else
772 outfile = open_outfile(outfile_name);
773 }
774
775 if (use_y4m && !noblit) {
776 if (!single_file) {
777 fprintf(stderr, "YUV4MPEG2 not supported with output patterns,"
778 " try --i420 or --yv12 or --rawvideo.\n");
779 return EXIT_FAILURE;
780 }
781
782 #if CONFIG_WEBM_IO
783 if (vpx_input_ctx.file_type == FILE_TYPE_WEBM) {
784 if (webm_guess_framerate(input.webm_ctx, input.vpx_input_ctx)) {
785 fprintf(stderr, "Failed to guess framerate -- error parsing "
786 "webm file?\n");
787 return EXIT_FAILURE;
788 }
789 }
790 #endif
791 }
792
793 fourcc_interface = get_vpx_decoder_by_fourcc(vpx_input_ctx.fourcc);
794 if (interface && fourcc_interface && interface != fourcc_interface)
795 warn("Header indicates codec: %s\n", fourcc_interface->name);
796 else
797 interface = fourcc_interface;
798
799 if (!interface)
800 interface = get_vpx_decoder_by_index(0);
801
802 dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
803 (ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0) |
804 (frame_parallel ? VPX_CODEC_USE_FRAME_THREADING : 0);
805 if (vpx_codec_dec_init(&decoder, interface->codec_interface(),
806 &cfg, dec_flags)) {
807 fprintf(stderr, "Failed to initialize decoder: %s\n",
808 vpx_codec_error(&decoder));
809 return EXIT_FAILURE;
810 }
811
812 if (!quiet)
813 fprintf(stderr, "%s\n", decoder.name);
814
815 #if CONFIG_VP8_DECODER
816
817 if (vp8_pp_cfg.post_proc_flag
818 && vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg)) {
819 fprintf(stderr, "Failed to configure postproc: %s\n", vpx_codec_error(&decoder));
820 return EXIT_FAILURE;
821 }
822
823 if (vp8_dbg_color_ref_frame
824 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_REF_FRAME, vp8_dbg_color_ref_frame)) {
825 fprintf(stderr, "Failed to configure reference block visualizer: %s\n", vpx_codec_error(&decoder));
826 return EXIT_FAILURE;
827 }
828
829 if (vp8_dbg_color_mb_modes
830 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_MB_MODES, vp8_dbg_color_mb_modes)) {
831 fprintf(stderr, "Failed to configure macro block visualizer: %s\n", vpx_codec_error(&decoder));
832 return EXIT_FAILURE;
833 }
834
835 if (vp8_dbg_color_b_modes
836 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_B_MODES, vp8_dbg_color_b_modes)) {
837 fprintf(stderr, "Failed to configure block visualizer: %s\n", vpx_codec_error(&decoder));
838 return EXIT_FAILURE;
839 }
840
841 if (vp8_dbg_display_mv
842 && vpx_codec_control(&decoder, VP8_SET_DBG_DISPLAY_MV, vp8_dbg_display_mv)) {
843 fprintf(stderr, "Failed to configure motion vector visualizer: %s\n", vpx_codec_error(&decoder));
844 return EXIT_FAILURE;
845 }
846 #endif
847
848
849 if (arg_skip)
850 fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
851 while (arg_skip) {
852 if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size))
853 break;
854 arg_skip--;
855 }
856
857 if (num_external_frame_buffers > 0) {
858 ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
859 ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
860 num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
861 if (vpx_codec_set_frame_buffer_functions(
862 &decoder, get_vp9_frame_buffer, release_vp9_frame_buffer,
863 &ext_fb_list)) {
864 fprintf(stderr, "Failed to configure external frame buffers: %s\n",
865 vpx_codec_error(&decoder));
866 return EXIT_FAILURE;
867 }
868 }
869
870 frame_avail = 1;
871 got_data = 0;
872
873 /* Decode file */
874 while (frame_avail || got_data) {
875 vpx_codec_iter_t iter = NULL;
876 vpx_image_t *img;
877 struct vpx_usec_timer timer;
878 int corrupted = 0;
879
880 frame_avail = 0;
881 if (!stop_after || frame_in < stop_after) {
882 if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
883 frame_avail = 1;
884 frame_in++;
885
886 vpx_usec_timer_start(&timer);
887
888 if (vpx_codec_decode(&decoder, buf, (unsigned int)bytes_in_buffer,
889 NULL, 0)) {
890 const char *detail = vpx_codec_error_detail(&decoder);
891 warn("Failed to decode frame %d: %s",
892 frame_in, vpx_codec_error(&decoder));
893
894 if (detail)
895 warn("Additional information: %s", detail);
896 if (!keep_going)
897 goto fail;
898 }
899
900 vpx_usec_timer_mark(&timer);
901 dx_time += vpx_usec_timer_elapsed(&timer);
902 } else {
903 flush_decoder = 1;
904 }
905 } else {
906 flush_decoder = 1;
907 }
908
909 vpx_usec_timer_start(&timer);
910
911 if (flush_decoder) {
912 // Flush the decoder in frame parallel decode.
913 if (vpx_codec_decode(&decoder, NULL, 0, NULL, 0)) {
914 warn("Failed to flush decoder: %s", vpx_codec_error(&decoder));
915 }
916 }
917
918 got_data = 0;
919 if ((img = vpx_codec_get_frame(&decoder, &iter))) {
920 ++frame_out;
921 got_data = 1;
922 }
923
924 vpx_usec_timer_mark(&timer);
925 dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
926
927 if (!frame_parallel &&
928 vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
929 warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_codec_error(&decoder));
930 if (!keep_going)
931 goto fail;
932 }
933 frames_corrupted += corrupted;
934
935 if (progress)
936 show_progress(frame_in, frame_out, dx_time);
937
938 if (!noblit && img) {
939 const int PLANES_YUV[] = {VPX_PLANE_Y, VPX_PLANE_U, VPX_PLANE_V};
940 const int PLANES_YVU[] = {VPX_PLANE_Y, VPX_PLANE_V, VPX_PLANE_U};
941 const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
942
943 if (do_scale) {
944 if (frame_out == 1) {
945 // If the output frames are to be scaled to a fixed display size then
946 // use the width and height specified in the container. If either of
947 // these is set to 0, use the display size set in the first frame
948 // header. If that is unavailable, use the raw decoded size of the
949 // first decoded frame.
950 int display_width = vpx_input_ctx.width;
951 int display_height = vpx_input_ctx.height;
952 if (!display_width || !display_height) {
953 int display_size[2];
954 if (vpx_codec_control(&decoder, VP9D_GET_DISPLAY_SIZE,
955 display_size)) {
956 // As last resort use size of first frame as display size.
957 display_width = img->d_w;
958 display_height = img->d_h;
959 } else {
960 display_width = display_size[0];
961 display_height = display_size[1];
962 }
963 }
964 scaled_img = vpx_img_alloc(NULL, img->fmt, display_width,
965 display_height, 16);
966 scaled_img->bit_depth = img->bit_depth;
967 }
968
969 if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
970 #if CONFIG_LIBYUV
971 libyuv_scale(img, scaled_img, kFilterBox);
972 img = scaled_img;
973 #else
974 fprintf(stderr, "Failed to scale output frame: %s.\n"
975 "Scaling is disabled in this configuration. "
976 "To enable scaling, configure with --enable-libyuv\n",
977 vpx_codec_error(&decoder));
978 return EXIT_FAILURE;
979 #endif
980 }
981 }
982 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
983 // Default to codec bit depth if output bit depth not set
984 if (!output_bit_depth) {
985 output_bit_depth = img->bit_depth;
986 }
987 // Shift up or down if necessary
988 if (output_bit_depth != img->bit_depth) {
989 const vpx_img_fmt_t shifted_fmt = output_bit_depth == 8 ?
990 img->fmt ^ (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) :
991 img->fmt | VPX_IMG_FMT_HIGHBITDEPTH;
992 if (img_shifted &&
993 img_shifted_realloc_required(img, img_shifted, shifted_fmt)) {
994 vpx_img_free(img_shifted);
995 img_shifted = NULL;
996 }
997 if (!img_shifted) {
998 img_shifted = vpx_img_alloc(NULL, shifted_fmt,
999 img->d_w, img->d_h, 16);
1000 img_shifted->bit_depth = output_bit_depth;
1001 }
1002 if (output_bit_depth > img->bit_depth) {
1003 vpx_img_upshift(img_shifted, img,
1004 output_bit_depth - img->bit_depth);
1005 } else {
1006 vpx_img_downshift(img_shifted, img,
1007 img->bit_depth - output_bit_depth);
1008 }
1009 img = img_shifted;
1010 }
1011 #endif
1012
1013 if (single_file) {
1014 if (use_y4m) {
1015 char buf[Y4M_BUFFER_SIZE] = {0};
1016 size_t len = 0;
1017 if (img->fmt == VPX_IMG_FMT_I440 || img->fmt == VPX_IMG_FMT_I44016) {
1018 fprintf(stderr, "Cannot produce y4m output for 440 sampling.\n");
1019 goto fail;
1020 }
1021 if (frame_out == 1) {
1022 // Y4M file header
1023 len = y4m_write_file_header(buf, sizeof(buf),
1024 vpx_input_ctx.width,
1025 vpx_input_ctx.height,
1026 &vpx_input_ctx.framerate,
1027 img->fmt, img->bit_depth);
1028 if (do_md5) {
1029 MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
1030 } else {
1031 fputs(buf, outfile);
1032 }
1033 }
1034
1035 // Y4M frame header
1036 len = y4m_write_frame_header(buf, sizeof(buf));
1037 if (do_md5) {
1038 MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
1039 } else {
1040 fputs(buf, outfile);
1041 }
1042 } else {
1043 if (frame_out == 1) {
1044 // Check if --yv12 or --i420 options are consistent with the
1045 // bit-stream decoded
1046 if (opt_i420) {
1047 if (img->fmt != VPX_IMG_FMT_I420 &&
1048 img->fmt != VPX_IMG_FMT_I42016) {
1049 fprintf(stderr, "Cannot produce i420 output for bit-stream.\n");
1050 goto fail;
1051 }
1052 }
1053 if (opt_yv12) {
1054 if ((img->fmt != VPX_IMG_FMT_I420 &&
1055 img->fmt != VPX_IMG_FMT_YV12) || img->bit_depth != 8) {
1056 fprintf(stderr, "Cannot produce yv12 output for bit-stream.\n");
1057 goto fail;
1058 }
1059 }
1060 }
1061 }
1062
1063 if (do_md5) {
1064 update_image_md5(img, planes, &md5_ctx);
1065 } else {
1066 write_image_file(img, planes, outfile);
1067 }
1068 } else {
1069 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
1070 img->d_w, img->d_h, frame_in);
1071 if (do_md5) {
1072 MD5Init(&md5_ctx);
1073 update_image_md5(img, planes, &md5_ctx);
1074 MD5Final(md5_digest, &md5_ctx);
1075 print_md5(md5_digest, outfile_name);
1076 } else {
1077 outfile = open_outfile(outfile_name);
1078 write_image_file(img, planes, outfile);
1079 fclose(outfile);
1080 }
1081 }
1082 }
1083
1084 if (stop_after && frame_in >= stop_after)
1085 break;
1086 }
1087
1088 if (summary || progress) {
1089 show_progress(frame_in, frame_out, dx_time);
1090 fprintf(stderr, "\n");
1091 }
1092
1093 if (frames_corrupted)
1094 fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
1095
1096 fail:
1097
1098 if (vpx_codec_destroy(&decoder)) {
1099 fprintf(stderr, "Failed to destroy decoder: %s\n",
1100 vpx_codec_error(&decoder));
1101 return EXIT_FAILURE;
1102 }
1103
1104 if (!noblit && single_file) {
1105 if (do_md5) {
1106 MD5Final(md5_digest, &md5_ctx);
1107 print_md5(md5_digest, outfile_name);
1108 } else {
1109 fclose(outfile);
1110 }
1111 }
1112
1113 #if CONFIG_WEBM_IO
1114 if (input.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
1115 webm_free(input.webm_ctx);
1116 #endif
1117
1118 if (input.vpx_input_ctx->file_type != FILE_TYPE_WEBM)
1119 free(buf);
1120
1121 if (scaled_img) vpx_img_free(scaled_img);
1122 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
1123 if (img_shifted) vpx_img_free(img_shifted);
1124 #endif
1125
1126 for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
1127 free(ext_fb_list.ext_fb[i].data);
1128 }
1129 free(ext_fb_list.ext_fb);
1130
1131 fclose(infile);
1132 free(argv);
1133
1134 return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;
1135 }
1136
1137 int main(int argc, const char **argv_) {
1138 unsigned int loops = 1, i;
1139 char **argv, **argi, **argj;
1140 struct arg arg;
1141 int error = 0;
1142
1143 argv = argv_dup(argc - 1, argv_ + 1);
1144 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
1145 memset(&arg, 0, sizeof(arg));
1146 arg.argv_step = 1;
1147
1148 if (arg_match(&arg, &looparg, argi)) {
1149 loops = arg_parse_uint(&arg);
1150 break;
1151 }
1152 }
1153 free(argv);
1154 for (i = 0; !error && i < loops; i++)
1155 error = main_loop(argc, argv_);
1156 return error;
1157 }
VPX_IMG_FMT_I44016
Definition: vpx_image.h:66
vpx_image
Image Descriptor.
Definition: vpx_image.h:82
vpx_decoder.h
Describes the decoder algorithm interface to applications.
vpx_codec_iface_name
const char * vpx_codec_iface_name(vpx_codec_iface_t *iface)
Return the name for a given interface.
VPX_IMG_FMT_YV12
Definition: vpx_image.h:55
VP8_SET_DBG_COLOR_REF_FRAME
Definition: vp8.h:48
vpx_codec_dec_cfg::threads
unsigned int threads
Definition: vpx_decoder.h:116
vpx_codec_stream_info::sz
unsigned int sz
Definition: vpx_decoder.h:97
vpx_codec_stream_info
Stream properties.
Definition: vpx_decoder.h:96
VP9D_GET_DISPLAY_SIZE
Definition: vp8dx.h:87
vp8_postproc_cfg::noise_level
int noise_level
Definition: vp8.h:88
vpx_image::bit_depth
unsigned int bit_depth
Definition: vpx_image.h:89
vp8dx.h
Provides definitions for using VP8 or VP9 within the vpx Decoder interface.
vpx_codec_peek_stream_info
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.
VPX_PLANE_Y
#define VPX_PLANE_Y
Definition: vpx_image.h:101
vpx_codec_frame_buffer::data
uint8_t * data
Definition: vpx_frame_buffer.h:40
vpx_codec_ctx::name
const char * name
Definition: vpx_codec.h:200
VPX_PLANE_V
#define VPX_PLANE_V
Definition: vpx_image.h:103
VPX_IMG_FMT_HIGHBITDEPTH
#define VPX_IMG_FMT_HIGHBITDEPTH
Definition: vpx_image.h:37
vpx_img_alloc
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.
VPX_IMG_FMT_I420
Definition: vpx_image.h:56
vpx_image::d_w
unsigned int d_w
Definition: vpx_image.h:92
vpx_codec_dec_init
#define vpx_codec_dec_init(ctx, iface, cfg, flags)
Convenience macro for vpx_codec_dec_init_ver()
Definition: vpx_decoder.h:154
vpx_codec_decode
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.
vpx_img_fmt_t
enum vpx_img_fmt vpx_img_fmt_t
List of supported image formats.
vpx_codec_frame_buffer::size
size_t size
Definition: vpx_frame_buffer.h:41
vpx_image::stride
int stride[4]
Definition: vpx_image.h:106
vpx_img_free
void vpx_img_free(vpx_image_t *img)
Close an image descriptor.
vpx_image::fmt
vpx_img_fmt_t fmt
Definition: vpx_image.h:83
vpx_image::planes
unsigned char * planes[4]
Definition: vpx_image.h:105
VP8_SET_POSTPROC
Definition: vp8.h:47
VPX_CODEC_USE_POSTPROC
#define VPX_CODEC_USE_POSTPROC
Definition: vpx_decoder.h:77
VP8D_GET_FRAME_CORRUPTED
Definition: vp8dx.h:65
VPX_CODEC_USE_FRAME_THREADING
#define VPX_CODEC_USE_FRAME_THREADING
Definition: vpx_decoder.h:86
vpx_codec_error_detail
const char * vpx_codec_error_detail(vpx_codec_ctx_t *ctx)
Retrieve detailed error information for codec context.
vpx_codec_frame_buffer::priv
void * priv
Definition: vpx_frame_buffer.h:42
VPX_PLANE_U
#define VPX_PLANE_U
Definition: vpx_image.h:102
vp8_postproc_cfg::deblocking_level
int deblocking_level
Definition: vp8.h:87
VP8_SET_DBG_DISPLAY_MV
Definition: vp8.h:51
VP8_SET_DBG_COLOR_MB_MODES
Definition: vp8.h:49
vpx_codec_stream_info::w
unsigned int w
Definition: vpx_decoder.h:98
vpx_codec_frame_buffer
External frame buffer.
Definition: vpx_frame_buffer.h:39
VP8_SET_DBG_COLOR_B_MODES
Definition: vp8.h:50
vpx_codec_control
#define vpx_codec_control(ctx, id, data)
vpx_codec_control wrapper macro
Definition: vpx_codec.h:407
vpx_codec_destroy
vpx_codec_err_t vpx_codec_destroy(vpx_codec_ctx_t *ctx)
Destroy a codec instance.
vpx_image::d_h
unsigned int d_h
Definition: vpx_image.h:93
vp8_postproc_cfg
post process flags
Definition: vp8.h:85
vpx_codec_set_frame_buffer_functions
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.
vpx_codec_stream_info::h
unsigned int h
Definition: vpx_decoder.h:99
vpx_codec_error
const char * vpx_codec_error(vpx_codec_ctx_t *ctx)
Retrieve error synopsis for codec context.
vpx_codec_dec_cfg
Initialization Configurations.
Definition: vpx_decoder.h:115
VPX_IMG_FMT_I440
Definition: vpx_image.h:61
vpx_codec_iter_t
const void * vpx_codec_iter_t
Iterator.
Definition: vpx_codec.h:188
vpx_codec_get_frame
vpx_image_t * vpx_codec_get_frame(vpx_codec_ctx_t *ctx, vpx_codec_iter_t *iter)
Decoded frames iterator.
vp8_postproc_cfg::post_proc_flag
int post_proc_flag
Definition: vp8.h:86
vpx_codec_ctx
Codec context structure.
Definition: vpx_codec.h:199