WebM Codec SDK: vpxdec

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;
295 vpx_codec_stream_info_t si;
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,
346 vpx_codec_frame_buffer_t *fb) {
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,
380 vpx_codec_frame_buffer_t *fb) {
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) {
724 if (vpx_codec_control(&decoder, VP9_DECODE_SVC_SPATIAL_LAYER,
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];
843 if (vpx_codec_control(&decoder, VP9D_GET_DISPLAY_SIZE,
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 }
VPX_IMG_FMT_I44016
Definition: vpx_image.h:66
vpx_image
Image Descriptor.
Definition: vpx_image.h:88
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:53
vpx_codec_dec_cfg::threads
unsigned int threads
Definition: vpx_decoder.h:108
vpx_codec_stream_info::sz
unsigned int sz
Definition: vpx_decoder.h:90
vpx_codec_stream_info
Stream properties.
Definition: vpx_decoder.h:89
VP9D_GET_DISPLAY_SIZE
Definition: vp8dx.h:85
vp8_postproc_cfg::noise_level
int noise_level
Definition: vp8.h:93
vpx_image::bit_depth
unsigned int bit_depth
Definition: vpx_image.h:96
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:112
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:193
VPX_PLANE_V
#define VPX_PLANE_V
Definition: vpx_image.h:114
VPX_IMG_FMT_HIGHBITDEPTH
#define VPX_IMG_FMT_HIGHBITDEPTH
Definition: vpx_image.h:35
VP9_DECODE_SVC_SPATIAL_LAYER
Definition: vp8dx.h:117
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:55
vpx_image::d_w
unsigned int d_w
Definition: vpx_image.h:99
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:144
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:117
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:89
vpx_image::planes
unsigned char * planes[4]
Definition: vpx_image.h:116
VP8_SET_POSTPROC
Definition: vp8.h:49
VPX_CODEC_USE_POSTPROC
#define VPX_CODEC_USE_POSTPROC
Definition: vpx_decoder.h:74
VP8D_GET_FRAME_CORRUPTED
Definition: vp8dx.h:63
VPX_CODEC_USE_FRAME_THREADING
#define VPX_CODEC_USE_FRAME_THREADING
Enable frame-based multi-threading.
Definition: vpx_decoder.h:81
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:113
vp8_postproc_cfg::deblocking_level
int deblocking_level
Definition: vp8.h:92
vpx_codec_stream_info::w
unsigned int w
Definition: vpx_decoder.h:91
vpx_codec_frame_buffer
External frame buffer.
Definition: vpx_frame_buffer.h:39
vpx_codec_control
#define vpx_codec_control(ctx, id, data)
vpx_codec_control wrapper macro
Definition: vpx_codec.h:399
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:100
vp8_postproc_cfg
post process flags
Definition: vp8.h:88
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:92
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:107
VPX_IMG_FMT_I440
Definition: vpx_image.h:61
vpx_codec_iter_t
const void * vpx_codec_iter_t
Iterator.
Definition: vpx_codec.h:182
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
the types of post processing to be done, should be combination of "vp8_postproc_level" ...
Definition: vp8.h:91
vpx_codec_ctx
Codec context structure.
Definition: vpx_codec.h:192