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.
22 #define snprintf _snprintf
23 #define isatty _isatty
24 #define fileno _fileno
28 #define VPX_CODEC_DISABLE_COMPAT 1
29 #include "vpx_config.h"
30 #include "vpx/vpx_decoder.h"
31 #include "vpx_ports/vpx_timer.h"
32 #if CONFIG_VP8_DECODER
33 #include "vpx/vp8dx.h"
36 #include "md5_utils.h"
38 #include "tools_common.h"
39 #include "nestegg/include/nestegg/nestegg.h"
45 static const char *exec_name;
47 #define VP8_FOURCC (0x00385056)
51 const vpx_codec_iface_t *iface;
53 unsigned int fourcc_mask;
56 #if CONFIG_VP8_DECODER
57 {"vp8", &vpx_codec_vp8_dx_algo, VP8_FOURCC, 0x00FFFFFF},
62 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
64 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
65 "Output raw YV12 frames");
66 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
67 "Output raw I420 frames");
68 static const arg_def_t flipuvarg = ARG_DEF(NULL, "flipuv", 0,
69 "Flip the chroma planes in the output");
70 static const arg_def_t noblitarg = ARG_DEF(NULL, "noblit", 0,
71 "Don't process the decoded frames");
72 static const arg_def_t progressarg = ARG_DEF(NULL, "progress", 0,
73 "Show progress after each frame decodes");
74 static const arg_def_t limitarg = ARG_DEF(NULL, "limit", 1,
75 "Stop decoding after n frames");
76 static const arg_def_t postprocarg = ARG_DEF(NULL, "postproc", 0,
77 "Postprocess decoded frames");
78 static const arg_def_t summaryarg = ARG_DEF(NULL, "summary", 0,
79 "Show timing summary");
80 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
81 "Output file name pattern (see below)");
82 static const arg_def_t threadsarg = ARG_DEF("t", "threads", 1,
83 "Max threads to use");
84 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
85 "Show version string");
88 static const arg_def_t md5arg = ARG_DEF(NULL, "md5", 0,
89 "Compute the MD5 sum of the decoded frame");
91 static const arg_def_t *all_args[] =
93 &codecarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
94 &progressarg, &limitarg, &postprocarg, &summaryarg, &outputfile,
95 &threadsarg, &verbosearg,
102 #if CONFIG_VP8_DECODER
103 static const arg_def_t addnoise_level = ARG_DEF(NULL, "noise-level", 1,
104 "Enable VP8 postproc add noise");
105 static const arg_def_t deblock = ARG_DEF(NULL, "deblock", 0,
106 "Enable VP8 deblocking");
107 static const arg_def_t demacroblock_level = ARG_DEF(NULL, "demacroblock-level", 1,
108 "Enable VP8 demacroblocking, w/ level");
109 static const arg_def_t pp_debug_info = ARG_DEF(NULL, "pp-debug-info", 1,
110 "Enable VP8 visible debug info");
111 static const arg_def_t pp_disp_ref_frame = ARG_DEF(NULL, "pp-dbg-ref-frame", 1,
112 "Display only selected reference frame per macro block");
113 static const arg_def_t pp_disp_mb_modes = ARG_DEF(NULL, "pp-dbg-mb-modes", 1,
114 "Display only selected macro block modes");
115 static const arg_def_t pp_disp_b_modes = ARG_DEF(NULL, "pp-dbg-b-modes", 1,
116 "Display only selected block modes");
117 static const arg_def_t pp_disp_mvs = ARG_DEF(NULL, "pp-dbg-mvs", 1,
118 "Draw only selected motion vectors");
120 static const arg_def_t *vp8_pp_args[] =
122 &addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
123 &pp_disp_ref_frame, &pp_disp_mb_modes, &pp_disp_b_modes, &pp_disp_mvs,
128 static void usage_exit()
132 fprintf(stderr, "Usage: %s <options> filename\n\n"
133 "Options:\n", exec_name);
134 arg_show_usage(stderr, all_args);
135 #if CONFIG_VP8_DECODER
136 fprintf(stderr, "\nVP8 Postprocessing Options:\n");
137 arg_show_usage(stderr, vp8_pp_args);
140 "\nOutput File Patterns:\n\n"
141 " The -o argument specifies the name of the file(s) to "
142 "write to. If the\n argument does not include any escape "
143 "characters, the output will be\n written to a single file. "
144 "Otherwise, the filename will be calculated by\n expanding "
145 "the following escape characters:\n"
146 "\n\t%%w - Frame width"
147 "\n\t%%h - Frame height"
148 "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
149 "\n\n Pattern arguments are only supported in conjunction "
150 "with the --yv12 and\n --i420 options. If the -o option is "
151 "not specified, the output will be\n directed to stdout.\n"
153 fprintf(stderr, "\nIncluded decoders:\n\n");
155 for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
156 fprintf(stderr, " %-6s - %s\n",
158 vpx_codec_iface_name(ifaces[i].iface));
163 void die(const char *fmt, ...)
167 vfprintf(stderr, fmt, ap);
168 fprintf(stderr, "\n");
172 static unsigned int mem_get_le16(const void *vmem)
175 const unsigned char *mem = (const unsigned char *)vmem;
182 static unsigned int mem_get_le32(const void *vmem)
185 const unsigned char *mem = (const unsigned char *)vmem;
205 nestegg *nestegg_ctx;
209 unsigned int video_track;
212 #define IVF_FRAME_HDR_SZ (sizeof(uint32_t) + sizeof(uint64_t))
213 #define RAW_FRAME_HDR_SZ (sizeof(uint32_t))
214 static int read_frame(struct input_ctx *input,
217 size_t *buf_alloc_sz)
219 char raw_hdr[IVF_FRAME_HDR_SZ];
221 FILE *infile = input->infile;
222 enum file_kind kind = input->kind;
223 if(kind == WEBM_FILE)
225 if(input->chunk >= input->chunks)
231 /* End of this packet, get another. */
233 nestegg_free_packet(input->pkt);
235 if(nestegg_read_packet(input->nestegg_ctx, &input->pkt) <= 0
236 || nestegg_packet_track(input->pkt, &track))
239 } while(track != input->video_track);
241 if(nestegg_packet_count(input->pkt, &input->chunks))
246 if(nestegg_packet_data(input->pkt, input->chunk, buf, buf_sz))
252 /* For both the raw and ivf formats, the frame size is the first 4 bytes
253 * of the frame header. We just need to special case on the header
256 else if (fread(raw_hdr, kind==IVF_FILE
257 ? IVF_FRAME_HDR_SZ : RAW_FRAME_HDR_SZ, 1, infile) != 1)
260 fprintf(stderr, "Failed to read frame size\n");
266 new_buf_sz = mem_get_le32(raw_hdr);
268 if (new_buf_sz > 256 * 1024 * 1024)
270 fprintf(stderr, "Error: Read invalid frame size (%u)\n",
271 (unsigned int)new_buf_sz);
275 if (kind == RAW_FILE && new_buf_sz > 256 * 1024)
276 fprintf(stderr, "Warning: Read invalid frame size (%u)"
277 " - not a raw file?\n", (unsigned int)new_buf_sz);
279 if (new_buf_sz > *buf_alloc_sz)
281 uint8_t *new_buf = realloc(*buf, 2 * new_buf_sz);
286 *buf_alloc_sz = 2 * new_buf_sz;
290 fprintf(stderr, "Failed to allocate compressed data buffer\n");
296 *buf_sz = new_buf_sz;
300 if (fread(*buf, 1, *buf_sz, infile) != *buf_sz)
302 fprintf(stderr, "Failed to read full frame\n");
312 void *out_open(const char *out_fn, int do_md5)
319 MD5Context *md5_ctx = out = malloc(sizeof(MD5Context));
326 FILE *outfile = out = strcmp("-", out_fn) ? fopen(out_fn, "wb")
327 : set_binary_mode(stdout);
331 fprintf(stderr, "Failed to output file");
339 void out_put(void *out, const uint8_t *buf, unsigned int len, int do_md5)
344 MD5Update(out, buf, len);
349 if(fwrite(buf, 1, len, out));
353 void out_close(void *out, const char *out_fn, int do_md5)
364 for (i = 0; i < 16; i++)
365 printf("%02x", md5[i]);
367 printf(" %s\n", out_fn);
376 unsigned int file_is_ivf(FILE *infile,
377 unsigned int *fourcc,
379 unsigned int *height,
380 unsigned int *fps_den,
381 unsigned int *fps_num)
386 if (fread(raw_hdr, 1, 32, infile) == 32)
388 if (raw_hdr[0] == 'D' && raw_hdr[1] == 'K'
389 && raw_hdr[2] == 'I' && raw_hdr[3] == 'F')
393 if (mem_get_le16(raw_hdr + 4) != 0)
394 fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
395 " decode properly.");
397 *fourcc = mem_get_le32(raw_hdr + 8);
398 *width = mem_get_le16(raw_hdr + 12);
399 *height = mem_get_le16(raw_hdr + 14);
400 *fps_num = mem_get_le32(raw_hdr + 16);
401 *fps_den = mem_get_le32(raw_hdr + 20);
403 /* Some versions of vpxenc used 1/(2*fps) for the timebase, so
404 * we can guess the framerate using only the timebase in this
405 * case. Other files would require reading ahead to guess the
406 * timebase, like we do for webm.
410 /* Correct for the factor of 2 applied to the timebase in the
413 if(*fps_num&1)*fps_den<<=1;
418 /* Don't know FPS for sure, and don't have readahead code
419 * (yet?), so just default to 30fps.
434 unsigned int file_is_raw(FILE *infile,
435 unsigned int *fourcc,
437 unsigned int *height,
438 unsigned int *fps_den,
439 unsigned int *fps_num)
441 unsigned char buf[32];
443 vpx_codec_stream_info_t si;
447 if (fread(buf, 1, 32, infile) == 32)
451 if(mem_get_le32(buf) < 256 * 1024 * 1024)
452 for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
453 if(!vpx_codec_peek_stream_info(ifaces[i].iface,
454 buf + 4, 32 - 4, &si))
457 *fourcc = ifaces[i].fourcc;
472 nestegg_read_cb(void *buffer, size_t length, void *userdata)
476 if(fread(buffer, 1, length, f) < length)
488 nestegg_seek_cb(int64_t offset, int whence, void * userdata)
491 case NESTEGG_SEEK_SET: whence = SEEK_SET; break;
492 case NESTEGG_SEEK_CUR: whence = SEEK_CUR; break;
493 case NESTEGG_SEEK_END: whence = SEEK_END; break;
495 return fseek(userdata, offset, whence)? -1 : 0;
500 nestegg_tell_cb(void * userdata)
502 return ftell(userdata);
507 nestegg_log_cb(nestegg * context, unsigned int severity, char const * format,
512 va_start(ap, format);
513 vfprintf(stderr, format, ap);
514 fprintf(stderr, "\n");
520 webm_guess_framerate(struct input_ctx *input,
521 unsigned int *fps_den,
522 unsigned int *fps_num)
527 /* Guess the framerate. Read up to 1 second, or 50 video packets,
528 * whichever comes first.
530 for(i=0; tstamp < 1000000000 && i < 50;)
532 nestegg_packet * pkt;
535 if(nestegg_read_packet(input->nestegg_ctx, &pkt) <= 0)
538 nestegg_packet_track(pkt, &track);
539 if(track == input->video_track)
541 nestegg_packet_tstamp(pkt, &tstamp);
545 nestegg_free_packet(pkt);
548 if(nestegg_track_seek(input->nestegg_ctx, input->video_track, 0))
551 *fps_num = (i - 1) * 1000000;
552 *fps_den = tstamp / 1000;
555 nestegg_destroy(input->nestegg_ctx);
556 input->nestegg_ctx = NULL;
557 rewind(input->infile);
563 file_is_webm(struct input_ctx *input,
564 unsigned int *fourcc,
566 unsigned int *height,
567 unsigned int *fps_den,
568 unsigned int *fps_num)
574 nestegg_io io = {nestegg_read_cb, nestegg_seek_cb, nestegg_tell_cb,
576 nestegg_video_params params;
577 nestegg_packet * pkt;
579 if(nestegg_init(&input->nestegg_ctx, io, NULL))
582 if(nestegg_track_count(input->nestegg_ctx, &n))
587 track_type = nestegg_track_type(input->nestegg_ctx, i);
589 if(track_type == NESTEGG_TRACK_VIDEO)
591 else if(track_type < 0)
595 if(nestegg_track_codec_id(input->nestegg_ctx, i) != NESTEGG_CODEC_VP8)
597 fprintf(stderr, "Not VP8 video, quitting.\n");
601 input->video_track = i;
603 if(nestegg_track_video_params(input->nestegg_ctx, i, ¶ms))
608 *fourcc = VP8_FOURCC;
609 *width = params.width;
610 *height = params.height;
613 input->nestegg_ctx = NULL;
614 rewind(input->infile);
619 void show_progress(int frame_in, int frame_out, unsigned long dx_time)
621 fprintf(stderr, "%d decoded frames/%d showed frames in %lu us (%.2f fps)\r",
622 frame_in, frame_out, dx_time,
623 (float)frame_out * 1000000.0 / (float)dx_time);
627 void generate_filename(const char *pattern, char *out, size_t q_len,
628 unsigned int d_w, unsigned int d_h,
629 unsigned int frame_in)
631 const char *p = pattern;
636 char *next_pat = strchr(p, '%');
646 case 'w': snprintf(q, q_len - 1, "%d", d_w); break;
647 case 'h': snprintf(q, q_len - 1, "%d", d_h); break;
648 case '1': snprintf(q, q_len - 1, "%d", frame_in); break;
649 case '2': snprintf(q, q_len - 1, "%02d", frame_in); break;
650 case '3': snprintf(q, q_len - 1, "%03d", frame_in); break;
651 case '4': snprintf(q, q_len - 1, "%04d", frame_in); break;
652 case '5': snprintf(q, q_len - 1, "%05d", frame_in); break;
653 case '6': snprintf(q, q_len - 1, "%06d", frame_in); break;
654 case '7': snprintf(q, q_len - 1, "%07d", frame_in); break;
655 case '8': snprintf(q, q_len - 1, "%08d", frame_in); break;
656 case '9': snprintf(q, q_len - 1, "%09d", frame_in); break;
658 die("Unrecognized pattern %%%c\n", p[1]);
662 if(pat_len >= q_len - 1)
663 die("Output filename too long.\n");
672 // copy the next segment
674 copy_len = strlen(p);
676 copy_len = next_pat - p;
678 if(copy_len >= q_len - 1)
679 die("Output filename too long.\n");
681 memcpy(q, p, copy_len);
691 int main(int argc, const char **argv_)
693 vpx_codec_ctx_t decoder;
697 size_t buf_sz = 0, buf_alloc_sz = 0;
699 int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0, do_md5 = 0, progress = 0;
700 int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
701 vpx_codec_iface_t *iface = NULL;
703 unsigned long dx_time = 0;
705 char **argv, **argi, **argj;
706 const char *outfile_pattern = 0;
707 char outfile[PATH_MAX];
712 unsigned int fps_den;
713 unsigned int fps_num;
715 vpx_codec_dec_cfg_t cfg = {0};
716 #if CONFIG_VP8_DECODER
717 vp8_postproc_cfg_t vp8_pp_cfg = {0};
718 int vp8_dbg_color_ref_frame = 0;
719 int vp8_dbg_color_mb_modes = 0;
720 int vp8_dbg_color_b_modes = 0;
721 int vp8_dbg_display_mv = 0;
723 struct input_ctx input = {0};
725 /* Parse command line */
726 exec_name = argv_[0];
727 argv = argv_dup(argc - 1, argv_ + 1);
729 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
731 memset(&arg, 0, sizeof(arg));
734 if (arg_match(&arg, &codecarg, argi))
738 for (j = 0; j < sizeof(ifaces) / sizeof(ifaces[0]); j++)
739 if (!strcmp(ifaces[j].name, arg.val))
743 iface = ifaces[k].iface;
745 die("Error: Unrecognized argument (%s) to --codec\n",
748 else if (arg_match(&arg, &outputfile, argi))
749 outfile_pattern = arg.val;
750 else if (arg_match(&arg, &use_yv12, argi))
755 else if (arg_match(&arg, &use_i420, argi))
760 else if (arg_match(&arg, &flipuvarg, argi))
762 else if (arg_match(&arg, &noblitarg, argi))
764 else if (arg_match(&arg, &progressarg, argi))
766 else if (arg_match(&arg, &limitarg, argi))
767 stop_after = arg_parse_uint(&arg);
768 else if (arg_match(&arg, &postprocarg, argi))
770 else if (arg_match(&arg, &md5arg, argi))
772 else if (arg_match(&arg, &summaryarg, argi))
774 else if (arg_match(&arg, &threadsarg, argi))
775 cfg.threads = arg_parse_uint(&arg);
776 else if (arg_match(&arg, &verbosearg, argi))
779 #if CONFIG_VP8_DECODER
780 else if (arg_match(&arg, &addnoise_level, argi))
783 vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
784 vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
786 else if (arg_match(&arg, &demacroblock_level, argi))
789 vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
790 vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
792 else if (arg_match(&arg, &deblock, argi))
795 vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
797 else if (arg_match(&arg, &pp_debug_info, argi))
799 unsigned int level = arg_parse_uint(&arg);
802 vp8_pp_cfg.post_proc_flag &= ~0x7;
805 vp8_pp_cfg.post_proc_flag |= level;
807 else if (arg_match(&arg, &pp_disp_ref_frame, argi))
809 unsigned int flags = arg_parse_int(&arg);
813 vp8_dbg_color_ref_frame = flags;
816 else if (arg_match(&arg, &pp_disp_mb_modes, argi))
818 unsigned int flags = arg_parse_int(&arg);
822 vp8_dbg_color_mb_modes = flags;
825 else if (arg_match(&arg, &pp_disp_b_modes, argi))
827 unsigned int flags = arg_parse_int(&arg);
831 vp8_dbg_color_b_modes = flags;
834 else if (arg_match(&arg, &pp_disp_mvs, argi))
836 unsigned int flags = arg_parse_int(&arg);
840 vp8_dbg_display_mv = flags;
849 /* Check for unrecognized options */
850 for (argi = argv; *argi; argi++)
851 if (argi[0][0] == '-' && strlen(argi[0]) > 1)
852 die("Error: Unrecognized option %s\n", *argi);
854 /* Handle non-option arguments */
861 infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
865 fprintf(stderr, "Failed to open file '%s'",
866 strcmp(fn, "-") ? fn : "stdin");
870 /* Make sure we don't dump to the terminal, unless forced to with -o - */
871 if(!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit)
874 "Not dumping raw video to your terminal. Use '-o -' to "
879 input.infile = infile;
880 if(file_is_ivf(infile, &fourcc, &width, &height, &fps_den,
882 input.kind = IVF_FILE;
883 else if(file_is_webm(&input, &fourcc, &width, &height, &fps_den, &fps_num))
884 input.kind = WEBM_FILE;
885 else if(file_is_raw(infile, &fourcc, &width, &height, &fps_den, &fps_num))
886 input.kind = RAW_FILE;
889 fprintf(stderr, "Unrecognized input file type.\n");
893 /* If the output file is not set or doesn't have a sequence number in
894 * it, then we only open it once.
896 outfile_pattern = outfile_pattern ? outfile_pattern : "-";
899 const char *p = outfile_pattern;
903 if(p && p[1] >= '1' && p[1] <= '9')
905 // pattern contains sequence number, so it's not unique.
914 if(single_file && !noblit)
916 generate_filename(outfile_pattern, outfile, sizeof(outfile)-1,
918 out = out_open(outfile, do_md5);
921 if (use_y4m && !noblit)
926 fprintf(stderr, "YUV4MPEG2 not supported with output patterns,"
927 " try --i420 or --yv12.\n");
931 if(input.kind == WEBM_FILE)
932 if(webm_guess_framerate(&input, &fps_den, &fps_num))
934 fprintf(stderr, "Failed to guess framerate -- error parsing "
940 /*Note: We can't output an aspect ratio here because IVF doesn't
941 store one, and neither does VP8.
942 That will have to wait until these tools support WebM natively.*/
943 sprintf(buffer, "YUV4MPEG2 C%s W%u H%u F%u:%u I%c\n",
944 "420jpeg", width, height, fps_num, fps_den, 'p');
945 out_put(out, (unsigned char *)buffer, strlen(buffer), do_md5);
948 /* Try to determine the codec from the fourcc. */
949 for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
950 if ((fourcc & ifaces[i].fourcc_mask) == ifaces[i].fourcc)
952 vpx_codec_iface_t *ivf_iface = ifaces[i].iface;
954 if (iface && iface != ivf_iface)
955 fprintf(stderr, "Notice -- IVF header indicates codec: %s\n",
963 if (vpx_codec_dec_init(&decoder, iface ? iface : ifaces[0].iface, &cfg,
964 postproc ? VPX_CODEC_USE_POSTPROC : 0))
966 fprintf(stderr, "Failed to initialize decoder: %s\n", vpx_codec_error(&decoder));
971 fprintf(stderr, "%s\n", decoder.name);
973 #if CONFIG_VP8_DECODER
975 if (vp8_pp_cfg.post_proc_flag
976 && vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg))
978 fprintf(stderr, "Failed to configure postproc: %s\n", vpx_codec_error(&decoder));
982 if (vp8_dbg_color_ref_frame
983 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_REF_FRAME, vp8_dbg_color_ref_frame))
985 fprintf(stderr, "Failed to configure reference block visualizer: %s\n", vpx_codec_error(&decoder));
989 if (vp8_dbg_color_mb_modes
990 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_MB_MODES, vp8_dbg_color_mb_modes))
992 fprintf(stderr, "Failed to configure macro block visualizer: %s\n", vpx_codec_error(&decoder));
996 if (vp8_dbg_color_b_modes
997 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_B_MODES, vp8_dbg_color_b_modes))
999 fprintf(stderr, "Failed to configure block visualizer: %s\n", vpx_codec_error(&decoder));
1000 return EXIT_FAILURE;
1003 if (vp8_dbg_display_mv
1004 && vpx_codec_control(&decoder, VP8_SET_DBG_DISPLAY_MV, vp8_dbg_display_mv))
1006 fprintf(stderr, "Failed to configure motion vector visualizer: %s\n", vpx_codec_error(&decoder));
1007 return EXIT_FAILURE;
1012 while (!read_frame(&input, &buf, &buf_sz, &buf_alloc_sz))
1014 vpx_codec_iter_t iter = NULL;
1016 struct vpx_usec_timer timer;
1018 vpx_usec_timer_start(&timer);
1020 if (vpx_codec_decode(&decoder, buf, buf_sz, NULL, 0))
1022 const char *detail = vpx_codec_error_detail(&decoder);
1023 fprintf(stderr, "Failed to decode frame: %s\n", vpx_codec_error(&decoder));
1026 fprintf(stderr, " Additional information: %s\n", detail);
1031 vpx_usec_timer_mark(&timer);
1032 dx_time += vpx_usec_timer_elapsed(&timer);
1036 if ((img = vpx_codec_get_frame(&decoder, &iter)))
1040 show_progress(frame_in, frame_out, dx_time);
1047 char out_fn[PATH_MAX];
1052 size_t len = sizeof(out_fn)-1;
1055 generate_filename(outfile_pattern, out_fn, len-1,
1056 img->d_w, img->d_h, frame_in);
1057 out = out_open(out_fn, do_md5);
1060 out_put(out, (unsigned char *)"FRAME\n", 6, do_md5);
1062 buf = img->planes[VPX_PLANE_Y];
1064 for (y = 0; y < img->d_h; y++)
1066 out_put(out, buf, img->d_w, do_md5);
1067 buf += img->stride[VPX_PLANE_Y];
1070 buf = img->planes[flipuv?VPX_PLANE_V:VPX_PLANE_U];
1072 for (y = 0; y < (1 + img->d_h) / 2; y++)
1074 out_put(out, buf, (1 + img->d_w) / 2, do_md5);
1075 buf += img->stride[VPX_PLANE_U];
1078 buf = img->planes[flipuv?VPX_PLANE_U:VPX_PLANE_V];
1080 for (y = 0; y < (1 + img->d_h) / 2; y++)
1082 out_put(out, buf, (1 + img->d_w) / 2, do_md5);
1083 buf += img->stride[VPX_PLANE_V];
1087 out_close(out, out_fn, do_md5);
1091 if (stop_after && frame_in >= stop_after)
1095 if (summary || progress)
1097 show_progress(frame_in, frame_out, dx_time);
1098 fprintf(stderr, "\n");
1103 if (vpx_codec_destroy(&decoder))
1105 fprintf(stderr, "Failed to destroy decoder: %s\n", vpx_codec_error(&decoder));
1106 return EXIT_FAILURE;
1109 if (single_file && !noblit)
1110 out_close(out, outfile, do_md5);
1112 if(input.nestegg_ctx)
1113 nestegg_destroy(input.nestegg_ctx);
1114 if(input.kind != WEBM_FILE)
1119 return EXIT_SUCCESS;