2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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.
12 /* This is a simple program that reads ivf files and decodes them
13 * using the new interface. Decoded frames are output as YV12 raw.
21 #define VPX_CODEC_DISABLE_COMPAT 1
22 #include "vpx_config.h"
23 #include "vpx/vpx_decoder.h"
24 #include "vpx_ports/vpx_timer.h"
25 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
26 #include "vpx/vp8dx.h"
29 #include "md5_utils.h"
31 #include "tools_common.h"
32 #include "nestegg/include/nestegg/nestegg.h"
37 #define snprintf _snprintf
38 #define isatty _isatty
39 #define fileno _fileno
49 static const char *exec_name;
51 #define VP8_FOURCC (0x00385056)
54 const vpx_codec_iface_t *(*iface)(void);
56 unsigned int fourcc_mask;
58 #if CONFIG_VP8_DECODER
59 {"vp8", vpx_codec_vp8_dx, VP8_FOURCC, 0x00FFFFFF},
61 #if CONFIG_VP9_DECODER
62 {"vp9", vpx_codec_vp8_dx, VP8_FOURCC, 0x00FFFFFF},
67 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
69 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
70 "Output raw YV12 frames");
71 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
72 "Output raw I420 frames");
73 static const arg_def_t flipuvarg = ARG_DEF(NULL, "flipuv", 0,
74 "Flip the chroma planes in the output");
75 static const arg_def_t noblitarg = ARG_DEF(NULL, "noblit", 0,
76 "Don't process the decoded frames");
77 static const arg_def_t progressarg = ARG_DEF(NULL, "progress", 0,
78 "Show progress after each frame decodes");
79 static const arg_def_t limitarg = ARG_DEF(NULL, "limit", 1,
80 "Stop decoding after n frames");
81 static const arg_def_t skiparg = ARG_DEF(NULL, "skip", 1,
82 "Skip the first n input frames");
83 static const arg_def_t postprocarg = ARG_DEF(NULL, "postproc", 0,
84 "Postprocess decoded frames");
85 static const arg_def_t summaryarg = ARG_DEF(NULL, "summary", 0,
86 "Show timing summary");
87 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
88 "Output file name pattern (see below)");
89 static const arg_def_t threadsarg = ARG_DEF("t", "threads", 1,
90 "Max threads to use");
91 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
92 "Show version string");
93 static const arg_def_t error_concealment = ARG_DEF(NULL, "error-concealment", 0,
94 "Enable decoder error-concealment");
98 static const arg_def_t md5arg = ARG_DEF(NULL, "md5", 0,
99 "Compute the MD5 sum of the decoded frame");
101 static const arg_def_t *all_args[] = {
102 &codecarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
103 &progressarg, &limitarg, &skiparg, &postprocarg, &summaryarg, &outputfile,
104 &threadsarg, &verbosearg,
112 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
113 static const arg_def_t addnoise_level = ARG_DEF(NULL, "noise-level", 1,
114 "Enable VP8 postproc add noise");
115 static const arg_def_t deblock = ARG_DEF(NULL, "deblock", 0,
116 "Enable VP8 deblocking");
117 static const arg_def_t demacroblock_level = ARG_DEF(NULL, "demacroblock-level", 1,
118 "Enable VP8 demacroblocking, w/ level");
119 static const arg_def_t pp_debug_info = ARG_DEF(NULL, "pp-debug-info", 1,
120 "Enable VP8 visible debug info");
121 static const arg_def_t pp_disp_ref_frame = ARG_DEF(NULL, "pp-dbg-ref-frame", 1,
122 "Display only selected reference frame per macro block");
123 static const arg_def_t pp_disp_mb_modes = ARG_DEF(NULL, "pp-dbg-mb-modes", 1,
124 "Display only selected macro block modes");
125 static const arg_def_t pp_disp_b_modes = ARG_DEF(NULL, "pp-dbg-b-modes", 1,
126 "Display only selected block modes");
127 static const arg_def_t pp_disp_mvs = ARG_DEF(NULL, "pp-dbg-mvs", 1,
128 "Draw only selected motion vectors");
129 static const arg_def_t mfqe = ARG_DEF(NULL, "mfqe", 0,
130 "Enable multiframe quality enhancement");
132 static const arg_def_t *vp8_pp_args[] = {
133 &addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
134 &pp_disp_ref_frame, &pp_disp_mb_modes, &pp_disp_b_modes, &pp_disp_mvs, &mfqe,
139 static void usage_exit() {
142 fprintf(stderr, "Usage: %s <options> filename\n\n"
143 "Options:\n", exec_name);
144 arg_show_usage(stderr, all_args);
145 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
146 fprintf(stderr, "\nVP8 Postprocessing Options:\n");
147 arg_show_usage(stderr, vp8_pp_args);
150 "\nOutput File Patterns:\n\n"
151 " The -o argument specifies the name of the file(s) to "
152 "write to. If the\n argument does not include any escape "
153 "characters, the output will be\n written to a single file. "
154 "Otherwise, the filename will be calculated by\n expanding "
155 "the following escape characters:\n");
157 "\n\t%%w - Frame width"
158 "\n\t%%h - Frame height"
159 "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
160 "\n\n Pattern arguments are only supported in conjunction "
161 "with the --yv12 and\n --i420 options. If the -o option is "
162 "not specified, the output will be\n directed to stdout.\n"
164 fprintf(stderr, "\nIncluded decoders:\n\n");
166 for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
167 fprintf(stderr, " %-6s - %s\n",
169 vpx_codec_iface_name(ifaces[i].iface()));
174 void die(const char *fmt, ...) {
177 vfprintf(stderr, fmt, ap);
178 fprintf(stderr, "\n");
182 static unsigned int mem_get_le16(const void *vmem) {
184 const unsigned char *mem = (const unsigned char *)vmem;
191 static unsigned int mem_get_le32(const void *vmem) {
193 const unsigned char *mem = (const unsigned char *)vmem;
211 nestegg *nestegg_ctx;
215 unsigned int video_track;
218 #define IVF_FRAME_HDR_SZ (sizeof(uint32_t) + sizeof(uint64_t))
219 #define RAW_FRAME_HDR_SZ (sizeof(uint32_t))
220 static int read_frame(struct input_ctx *input,
223 size_t *buf_alloc_sz) {
224 char raw_hdr[IVF_FRAME_HDR_SZ];
226 FILE *infile = input->infile;
227 enum file_kind kind = input->kind;
228 if (kind == WEBM_FILE) {
229 if (input->chunk >= input->chunks) {
233 /* End of this packet, get another. */
235 nestegg_free_packet(input->pkt);
237 if (nestegg_read_packet(input->nestegg_ctx, &input->pkt) <= 0
238 || nestegg_packet_track(input->pkt, &track))
241 } while (track != input->video_track);
243 if (nestegg_packet_count(input->pkt, &input->chunks))
248 if (nestegg_packet_data(input->pkt, input->chunk, buf, buf_sz))
254 /* For both the raw and ivf formats, the frame size is the first 4 bytes
255 * of the frame header. We just need to special case on the header
258 else if (fread(raw_hdr, kind == IVF_FILE
259 ? IVF_FRAME_HDR_SZ : RAW_FRAME_HDR_SZ, 1, infile) != 1) {
261 fprintf(stderr, "Failed to read frame size\n");
265 new_buf_sz = mem_get_le32(raw_hdr);
267 if (new_buf_sz > 256 * 1024 * 1024) {
268 fprintf(stderr, "Error: Read invalid frame size (%u)\n",
269 (unsigned int)new_buf_sz);
273 if (kind == RAW_FILE && new_buf_sz > 256 * 1024)
274 fprintf(stderr, "Warning: Read invalid frame size (%u)"
275 " - not a raw file?\n", (unsigned int)new_buf_sz);
277 if (new_buf_sz > *buf_alloc_sz) {
278 uint8_t *new_buf = realloc(*buf, 2 * new_buf_sz);
282 *buf_alloc_sz = 2 * new_buf_sz;
284 fprintf(stderr, "Failed to allocate compressed data buffer\n");
290 *buf_sz = new_buf_sz;
293 if (fread(*buf, 1, *buf_sz, infile) != *buf_sz) {
294 fprintf(stderr, "Failed to read full frame\n");
304 void *out_open(const char *out_fn, int do_md5) {
309 MD5Context *md5_ctx = out = malloc(sizeof(MD5Context));
314 FILE *outfile = out = strcmp("-", out_fn) ? fopen(out_fn, "wb")
315 : set_binary_mode(stdout);
318 fprintf(stderr, "Failed to output file");
326 void out_put(void *out, const uint8_t *buf, unsigned int len, int do_md5) {
329 MD5Update(out, buf, len);
332 (void) fwrite(buf, 1, len, out);
336 void out_close(void *out, const char *out_fn, int do_md5) {
345 for (i = 0; i < 16; i++)
346 printf("%02x", md5[i]);
348 printf(" %s\n", out_fn);
355 unsigned int file_is_ivf(FILE *infile,
356 unsigned int *fourcc,
358 unsigned int *height,
359 unsigned int *fps_den,
360 unsigned int *fps_num) {
364 if (fread(raw_hdr, 1, 32, infile) == 32) {
365 if (raw_hdr[0] == 'D' && raw_hdr[1] == 'K'
366 && raw_hdr[2] == 'I' && raw_hdr[3] == 'F') {
369 if (mem_get_le16(raw_hdr + 4) != 0)
370 fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
371 " decode properly.");
373 *fourcc = mem_get_le32(raw_hdr + 8);
374 *width = mem_get_le16(raw_hdr + 12);
375 *height = mem_get_le16(raw_hdr + 14);
376 *fps_num = mem_get_le32(raw_hdr + 16);
377 *fps_den = mem_get_le32(raw_hdr + 20);
379 /* Some versions of vpxenc used 1/(2*fps) for the timebase, so
380 * we can guess the framerate using only the timebase in this
381 * case. Other files would require reading ahead to guess the
382 * timebase, like we do for webm.
384 if (*fps_num < 1000) {
385 /* Correct for the factor of 2 applied to the timebase in the
388 if (*fps_num & 1)*fps_den <<= 1;
391 /* Don't know FPS for sure, and don't have readahead code
392 * (yet?), so just default to 30fps.
407 unsigned int file_is_raw(FILE *infile,
408 unsigned int *fourcc,
410 unsigned int *height,
411 unsigned int *fps_den,
412 unsigned int *fps_num) {
413 unsigned char buf[32];
415 vpx_codec_stream_info_t si;
419 if (fread(buf, 1, 32, infile) == 32) {
422 if (mem_get_le32(buf) < 256 * 1024 * 1024)
423 for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
424 if (!vpx_codec_peek_stream_info(ifaces[i].iface(),
425 buf + 4, 32 - 4, &si)) {
427 *fourcc = ifaces[i].fourcc;
442 nestegg_read_cb(void *buffer, size_t length, void *userdata) {
445 if (fread(buffer, 1, length, f) < length) {
456 nestegg_seek_cb(int64_t offset, int whence, void *userdata) {
458 case NESTEGG_SEEK_SET:
461 case NESTEGG_SEEK_CUR:
464 case NESTEGG_SEEK_END:
468 return fseek(userdata, (long)offset, whence) ? -1 : 0;
473 nestegg_tell_cb(void *userdata) {
474 return ftell(userdata);
479 nestegg_log_cb(nestegg *context, unsigned int severity, char const *format,
483 va_start(ap, format);
484 vfprintf(stderr, format, ap);
485 fprintf(stderr, "\n");
491 webm_guess_framerate(struct input_ctx *input,
492 unsigned int *fps_den,
493 unsigned int *fps_num) {
497 /* Guess the framerate. Read up to 1 second, or 50 video packets,
498 * whichever comes first.
500 for (i = 0; tstamp < 1000000000 && i < 50;) {
504 if (nestegg_read_packet(input->nestegg_ctx, &pkt) <= 0)
507 nestegg_packet_track(pkt, &track);
508 if (track == input->video_track) {
509 nestegg_packet_tstamp(pkt, &tstamp);
513 nestegg_free_packet(pkt);
516 if (nestegg_track_seek(input->nestegg_ctx, input->video_track, 0))
519 *fps_num = (i - 1) * 1000000;
520 *fps_den = (unsigned int)(tstamp / 1000);
523 nestegg_destroy(input->nestegg_ctx);
524 input->nestegg_ctx = NULL;
525 rewind(input->infile);
531 file_is_webm(struct input_ctx *input,
532 unsigned int *fourcc,
534 unsigned int *height,
535 unsigned int *fps_den,
536 unsigned int *fps_num) {
540 nestegg_io io = {nestegg_read_cb, nestegg_seek_cb, nestegg_tell_cb, 0};
541 nestegg_video_params params;
543 io.userdata = input->infile;
544 if (nestegg_init(&input->nestegg_ctx, io, NULL))
547 if (nestegg_track_count(input->nestegg_ctx, &n))
550 for (i = 0; i < n; i++) {
551 track_type = nestegg_track_type(input->nestegg_ctx, i);
553 if (track_type == NESTEGG_TRACK_VIDEO)
555 else if (track_type < 0)
559 if (nestegg_track_codec_id(input->nestegg_ctx, i) != NESTEGG_CODEC_VP8) {
560 fprintf(stderr, "Not VP8 video, quitting.\n");
564 input->video_track = i;
566 if (nestegg_track_video_params(input->nestegg_ctx, i, ¶ms))
571 *fourcc = VP8_FOURCC;
572 *width = params.width;
573 *height = params.height;
576 input->nestegg_ctx = NULL;
577 rewind(input->infile);
582 void show_progress(int frame_in, int frame_out, unsigned long dx_time) {
583 fprintf(stderr, "%d decoded frames/%d showed frames in %lu us (%.2f fps)\r",
584 frame_in, frame_out, dx_time,
585 (float)frame_out * 1000000.0 / (float)dx_time);
589 void generate_filename(const char *pattern, char *out, size_t q_len,
590 unsigned int d_w, unsigned int d_h,
591 unsigned int frame_in) {
592 const char *p = pattern;
596 char *next_pat = strchr(p, '%');
601 /* parse the pattern */
605 snprintf(q, q_len - 1, "%d", d_w);
608 snprintf(q, q_len - 1, "%d", d_h);
611 snprintf(q, q_len - 1, "%d", frame_in);
614 snprintf(q, q_len - 1, "%02d", frame_in);
617 snprintf(q, q_len - 1, "%03d", frame_in);
620 snprintf(q, q_len - 1, "%04d", frame_in);
623 snprintf(q, q_len - 1, "%05d", frame_in);
626 snprintf(q, q_len - 1, "%06d", frame_in);
629 snprintf(q, q_len - 1, "%07d", frame_in);
632 snprintf(q, q_len - 1, "%08d", frame_in);
635 snprintf(q, q_len - 1, "%09d", frame_in);
638 die("Unrecognized pattern %%%c\n", p[1]);
642 if (pat_len >= q_len - 1)
643 die("Output filename too long.\n");
650 /* copy the next segment */
652 copy_len = strlen(p);
654 copy_len = next_pat - p;
656 if (copy_len >= q_len - 1)
657 die("Output filename too long.\n");
659 memcpy(q, p, copy_len);
669 int main(int argc, const char **argv_) {
670 vpx_codec_ctx_t decoder;
674 size_t buf_sz = 0, buf_alloc_sz = 0;
676 int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0, do_md5 = 0, progress = 0;
677 int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
680 vpx_codec_iface_t *iface = NULL;
682 unsigned long dx_time = 0;
684 char **argv, **argi, **argj;
685 const char *outfile_pattern = 0;
686 char outfile[PATH_MAX];
691 unsigned int fps_den;
692 unsigned int fps_num;
694 vpx_codec_dec_cfg_t cfg = {0};
695 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
696 vp8_postproc_cfg_t vp8_pp_cfg = {0};
697 int vp8_dbg_color_ref_frame = 0;
698 int vp8_dbg_color_mb_modes = 0;
699 int vp8_dbg_color_b_modes = 0;
700 int vp8_dbg_display_mv = 0;
702 struct input_ctx input = {0};
703 int frames_corrupted = 0;
706 /* Parse command line */
707 exec_name = argv_[0];
708 argv = argv_dup(argc - 1, argv_ + 1);
710 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
711 memset(&arg, 0, sizeof(arg));
714 if (arg_match(&arg, &codecarg, argi)) {
717 for (j = 0; j < sizeof(ifaces) / sizeof(ifaces[0]); j++)
718 if (!strcmp(ifaces[j].name, arg.val))
722 iface = ifaces[k].iface();
724 die("Error: Unrecognized argument (%s) to --codec\n",
726 } else if (arg_match(&arg, &outputfile, argi))
727 outfile_pattern = arg.val;
728 else if (arg_match(&arg, &use_yv12, argi)) {
731 } else if (arg_match(&arg, &use_i420, argi)) {
734 } else if (arg_match(&arg, &flipuvarg, argi))
736 else if (arg_match(&arg, &noblitarg, argi))
738 else if (arg_match(&arg, &progressarg, argi))
740 else if (arg_match(&arg, &limitarg, argi))
741 stop_after = arg_parse_uint(&arg);
742 else if (arg_match(&arg, &skiparg, argi))
743 arg_skip = arg_parse_uint(&arg);
744 else if (arg_match(&arg, &postprocarg, argi))
746 else if (arg_match(&arg, &md5arg, argi))
748 else if (arg_match(&arg, &summaryarg, argi))
750 else if (arg_match(&arg, &threadsarg, argi))
751 cfg.threads = arg_parse_uint(&arg);
752 else if (arg_match(&arg, &verbosearg, argi))
755 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
756 else if (arg_match(&arg, &addnoise_level, argi)) {
758 vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
759 vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
760 } else if (arg_match(&arg, &demacroblock_level, argi)) {
762 vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
763 vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
764 } else if (arg_match(&arg, &deblock, argi)) {
766 vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
767 } else if (arg_match(&arg, &mfqe, argi)) {
769 vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
770 } else if (arg_match(&arg, &pp_debug_info, argi)) {
771 unsigned int level = arg_parse_uint(&arg);
774 vp8_pp_cfg.post_proc_flag &= ~0x7;
777 vp8_pp_cfg.post_proc_flag |= level;
778 } else if (arg_match(&arg, &pp_disp_ref_frame, argi)) {
779 unsigned int flags = arg_parse_int(&arg);
782 vp8_dbg_color_ref_frame = flags;
784 } else if (arg_match(&arg, &pp_disp_mb_modes, argi)) {
785 unsigned int flags = arg_parse_int(&arg);
788 vp8_dbg_color_mb_modes = flags;
790 } else if (arg_match(&arg, &pp_disp_b_modes, argi)) {
791 unsigned int flags = arg_parse_int(&arg);
794 vp8_dbg_color_b_modes = flags;
796 } else if (arg_match(&arg, &pp_disp_mvs, argi)) {
797 unsigned int flags = arg_parse_int(&arg);
800 vp8_dbg_display_mv = flags;
802 } else if (arg_match(&arg, &error_concealment, argi)) {
811 /* Check for unrecognized options */
812 for (argi = argv; *argi; argi++)
813 if (argi[0][0] == '-' && strlen(argi[0]) > 1)
814 die("Error: Unrecognized option %s\n", *argi);
816 /* Handle non-option arguments */
823 infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
826 fprintf(stderr, "Failed to open file '%s'",
827 strcmp(fn, "-") ? fn : "stdin");
830 #if CONFIG_OS_SUPPORT
831 /* Make sure we don't dump to the terminal, unless forced to with -o - */
832 if (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
834 "Not dumping raw video to your terminal. Use '-o -' to "
839 input.infile = infile;
840 if (file_is_ivf(infile, &fourcc, &width, &height, &fps_den,
842 input.kind = IVF_FILE;
843 else if (file_is_webm(&input, &fourcc, &width, &height, &fps_den, &fps_num))
844 input.kind = WEBM_FILE;
845 else if (file_is_raw(infile, &fourcc, &width, &height, &fps_den, &fps_num))
846 input.kind = RAW_FILE;
848 fprintf(stderr, "Unrecognized input file type.\n");
852 /* If the output file is not set or doesn't have a sequence number in
853 * it, then we only open it once.
855 outfile_pattern = outfile_pattern ? outfile_pattern : "-";
858 const char *p = outfile_pattern;
861 if (p && p[1] >= '1' && p[1] <= '9') {
862 /* pattern contains sequence number, so it's not unique. */
871 if (single_file && !noblit) {
872 generate_filename(outfile_pattern, outfile, sizeof(outfile) - 1,
874 out = out_open(outfile, do_md5);
877 if (use_y4m && !noblit) {
880 fprintf(stderr, "YUV4MPEG2 not supported with output patterns,"
881 " try --i420 or --yv12.\n");
885 if (input.kind == WEBM_FILE)
886 if (webm_guess_framerate(&input, &fps_den, &fps_num)) {
887 fprintf(stderr, "Failed to guess framerate -- error parsing "
893 /*Note: We can't output an aspect ratio here because IVF doesn't
894 store one, and neither does VP8.
895 That will have to wait until these tools support WebM natively.*/
896 sprintf(buffer, "YUV4MPEG2 C%s W%u H%u F%u:%u I%c\n",
897 "420jpeg", width, height, fps_num, fps_den, 'p');
898 out_put(out, (unsigned char *)buffer,
899 (unsigned int)strlen(buffer), do_md5);
902 /* Try to determine the codec from the fourcc. */
903 for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
904 if ((fourcc & ifaces[i].fourcc_mask) == ifaces[i].fourcc) {
905 vpx_codec_iface_t *ivf_iface = ifaces[i].iface();
907 if (iface && iface != ivf_iface)
908 fprintf(stderr, "Notice -- IVF header indicates codec: %s\n",
916 dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
917 (ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0);
918 if (vpx_codec_dec_init(&decoder, iface ? iface : ifaces[0].iface(), &cfg,
920 fprintf(stderr, "Failed to initialize decoder: %s\n", vpx_codec_error(&decoder));
925 fprintf(stderr, "%s\n", decoder.name);
927 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
929 if (vp8_pp_cfg.post_proc_flag
930 && vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg)) {
931 fprintf(stderr, "Failed to configure postproc: %s\n", vpx_codec_error(&decoder));
935 if (vp8_dbg_color_ref_frame
936 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_REF_FRAME, vp8_dbg_color_ref_frame)) {
937 fprintf(stderr, "Failed to configure reference block visualizer: %s\n", vpx_codec_error(&decoder));
941 if (vp8_dbg_color_mb_modes
942 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_MB_MODES, vp8_dbg_color_mb_modes)) {
943 fprintf(stderr, "Failed to configure macro block visualizer: %s\n", vpx_codec_error(&decoder));
947 if (vp8_dbg_color_b_modes
948 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_B_MODES, vp8_dbg_color_b_modes)) {
949 fprintf(stderr, "Failed to configure block visualizer: %s\n", vpx_codec_error(&decoder));
953 if (vp8_dbg_display_mv
954 && vpx_codec_control(&decoder, VP8_SET_DBG_DISPLAY_MV, vp8_dbg_display_mv)) {
955 fprintf(stderr, "Failed to configure motion vector visualizer: %s\n", vpx_codec_error(&decoder));
962 fprintf(stderr, "Skiping first %d frames.\n", arg_skip);
964 if (read_frame(&input, &buf, &buf_sz, &buf_alloc_sz))
970 while (!read_frame(&input, &buf, &buf_sz, &buf_alloc_sz)) {
971 vpx_codec_iter_t iter = NULL;
973 struct vpx_usec_timer timer;
976 vpx_usec_timer_start(&timer);
978 if (vpx_codec_decode(&decoder, buf, (unsigned int)buf_sz, NULL, 0)) {
979 const char *detail = vpx_codec_error_detail(&decoder);
980 fprintf(stderr, "Failed to decode frame: %s\n", vpx_codec_error(&decoder));
983 fprintf(stderr, " Additional information: %s\n", detail);
988 vpx_usec_timer_mark(&timer);
989 dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
993 if (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
994 fprintf(stderr, "Failed VP8_GET_FRAME_CORRUPTED: %s\n",
995 vpx_codec_error(&decoder));
998 frames_corrupted += corrupted;
1000 vpx_usec_timer_start(&timer);
1002 if ((img = vpx_codec_get_frame(&decoder, &iter)))
1005 vpx_usec_timer_mark(&timer);
1006 dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
1009 show_progress(frame_in, frame_out, dx_time);
1014 char out_fn[PATH_MAX];
1018 size_t len = sizeof(out_fn) - 1;
1021 generate_filename(outfile_pattern, out_fn, len - 1,
1022 img->d_w, img->d_h, frame_in);
1023 out = out_open(out_fn, do_md5);
1025 out_put(out, (unsigned char *)"FRAME\n", 6, do_md5);
1027 buf = img->planes[VPX_PLANE_Y];
1029 for (y = 0; y < img->d_h; y++) {
1030 out_put(out, buf, img->d_w, do_md5);
1031 buf += img->stride[VPX_PLANE_Y];
1034 buf = img->planes[flipuv ? VPX_PLANE_V : VPX_PLANE_U];
1036 for (y = 0; y < (1 + img->d_h) / 2; y++) {
1037 out_put(out, buf, (1 + img->d_w) / 2, do_md5);
1038 buf += img->stride[VPX_PLANE_U];
1041 buf = img->planes[flipuv ? VPX_PLANE_U : VPX_PLANE_V];
1043 for (y = 0; y < (1 + img->d_h) / 2; y++) {
1044 out_put(out, buf, (1 + img->d_w) / 2, do_md5);
1045 buf += img->stride[VPX_PLANE_V];
1049 out_close(out, out_fn, do_md5);
1053 if (stop_after && frame_in >= stop_after)
1057 if (summary || progress) {
1058 show_progress(frame_in, frame_out, dx_time);
1059 fprintf(stderr, "\n");
1062 if (frames_corrupted)
1063 fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
1067 if (vpx_codec_destroy(&decoder)) {
1068 fprintf(stderr, "Failed to destroy decoder: %s\n", vpx_codec_error(&decoder));
1069 return EXIT_FAILURE;
1072 if (single_file && !noblit)
1073 out_close(out, outfile, do_md5);
1075 if (input.nestegg_ctx)
1076 nestegg_destroy(input.nestegg_ctx);
1077 if (input.kind != WEBM_FILE)
1082 return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;