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.
18 #include "third_party/libyuv/include/libyuv/scale.h"
23 #define VPX_CODEC_DISABLE_COMPAT 1
24 #include "./vpx_config.h"
25 #include "vpx/vpx_decoder.h"
26 #include "vpx_ports/vpx_timer.h"
28 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
29 #include "vpx/vp8dx.h"
32 #include "./md5_utils.h"
34 #include "./tools_common.h"
35 #include "./webmdec.h"
38 static const char *exec_name;
40 struct VpxDecInputContext {
41 struct VpxInputContext *vpx_input_ctx;
42 struct WebmInputContext *webm_ctx;
45 static const arg_def_t looparg = ARG_DEF(NULL, "loops", 1,
46 "Number of times to decode the file");
47 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
49 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
50 "Output raw YV12 frames");
51 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
52 "Output raw I420 frames");
53 static const arg_def_t flipuvarg = ARG_DEF(NULL, "flipuv", 0,
54 "Flip the chroma planes in the output");
55 static const arg_def_t noblitarg = ARG_DEF(NULL, "noblit", 0,
56 "Don't process the decoded frames");
57 static const arg_def_t progressarg = ARG_DEF(NULL, "progress", 0,
58 "Show progress after each frame decodes");
59 static const arg_def_t limitarg = ARG_DEF(NULL, "limit", 1,
60 "Stop decoding after n frames");
61 static const arg_def_t skiparg = ARG_DEF(NULL, "skip", 1,
62 "Skip the first n input frames");
63 static const arg_def_t postprocarg = ARG_DEF(NULL, "postproc", 0,
64 "Postprocess decoded frames");
65 static const arg_def_t summaryarg = ARG_DEF(NULL, "summary", 0,
66 "Show timing summary");
67 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
68 "Output file name pattern (see below)");
69 static const arg_def_t threadsarg = ARG_DEF("t", "threads", 1,
70 "Max threads to use");
71 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
72 "Show version string");
73 static const arg_def_t error_concealment = ARG_DEF(NULL, "error-concealment", 0,
74 "Enable decoder error-concealment");
75 static const arg_def_t scalearg = ARG_DEF("S", "scale", 0,
76 "Scale output frames uniformly");
79 static const arg_def_t md5arg = ARG_DEF(NULL, "md5", 0,
80 "Compute the MD5 sum of the decoded frame");
82 static const arg_def_t *all_args[] = {
83 &codecarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
84 &progressarg, &limitarg, &skiparg, &postprocarg, &summaryarg, &outputfile,
85 &threadsarg, &verbosearg, &scalearg,
91 #if CONFIG_VP8_DECODER
92 static const arg_def_t addnoise_level = ARG_DEF(NULL, "noise-level", 1,
93 "Enable VP8 postproc add noise");
94 static const arg_def_t deblock = ARG_DEF(NULL, "deblock", 0,
95 "Enable VP8 deblocking");
96 static const arg_def_t demacroblock_level = ARG_DEF(NULL, "demacroblock-level", 1,
97 "Enable VP8 demacroblocking, w/ level");
98 static const arg_def_t pp_debug_info = ARG_DEF(NULL, "pp-debug-info", 1,
99 "Enable VP8 visible debug info");
100 static const arg_def_t pp_disp_ref_frame = ARG_DEF(NULL, "pp-dbg-ref-frame", 1,
101 "Display only selected reference frame per macro block");
102 static const arg_def_t pp_disp_mb_modes = ARG_DEF(NULL, "pp-dbg-mb-modes", 1,
103 "Display only selected macro block modes");
104 static const arg_def_t pp_disp_b_modes = ARG_DEF(NULL, "pp-dbg-b-modes", 1,
105 "Display only selected block modes");
106 static const arg_def_t pp_disp_mvs = ARG_DEF(NULL, "pp-dbg-mvs", 1,
107 "Draw only selected motion vectors");
108 static const arg_def_t mfqe = ARG_DEF(NULL, "mfqe", 0,
109 "Enable multiframe quality enhancement");
111 static const arg_def_t *vp8_pp_args[] = {
112 &addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
113 &pp_disp_ref_frame, &pp_disp_mb_modes, &pp_disp_b_modes, &pp_disp_mvs, &mfqe,
118 static int vpx_image_scale(vpx_image_t *src, vpx_image_t *dst,
120 assert(src->fmt == VPX_IMG_FMT_I420);
121 assert(dst->fmt == VPX_IMG_FMT_I420);
122 return I420Scale(src->planes[VPX_PLANE_Y], src->stride[VPX_PLANE_Y],
123 src->planes[VPX_PLANE_U], src->stride[VPX_PLANE_U],
124 src->planes[VPX_PLANE_V], src->stride[VPX_PLANE_V],
126 dst->planes[VPX_PLANE_Y], dst->stride[VPX_PLANE_Y],
127 dst->planes[VPX_PLANE_U], dst->stride[VPX_PLANE_U],
128 dst->planes[VPX_PLANE_V], dst->stride[VPX_PLANE_V],
136 fprintf(stderr, "Usage: %s <options> filename\n\n"
137 "Options:\n", exec_name);
138 arg_show_usage(stderr, all_args);
139 #if CONFIG_VP8_DECODER
140 fprintf(stderr, "\nVP8 Postprocessing Options:\n");
141 arg_show_usage(stderr, vp8_pp_args);
144 "\nOutput File Patterns:\n\n"
145 " The -o argument specifies the name of the file(s) to "
146 "write to. If the\n argument does not include any escape "
147 "characters, the output will be\n written to a single file. "
148 "Otherwise, the filename will be calculated by\n expanding "
149 "the following escape characters:\n");
151 "\n\t%%w - Frame width"
152 "\n\t%%h - Frame height"
153 "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
154 "\n\n Pattern arguments are only supported in conjunction "
155 "with the --yv12 and\n --i420 options. If the -o option is "
156 "not specified, the output will be\n directed to stdout.\n"
158 fprintf(stderr, "\nIncluded decoders:\n\n");
160 for (i = 0; i < get_vpx_decoder_count(); ++i) {
161 const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
162 fprintf(stderr, " %-6s - %s\n",
163 decoder->name, vpx_codec_iface_name(decoder->interface()));
169 static int raw_read_frame(FILE *infile, uint8_t **buffer,
170 size_t *bytes_read, size_t *buffer_size) {
171 char raw_hdr[RAW_FRAME_HDR_SZ];
172 size_t frame_size = 0;
174 if (fread(raw_hdr, RAW_FRAME_HDR_SZ, 1, infile) != 1) {
176 warn("Failed to read RAW frame size\n");
178 const size_t kCorruptFrameThreshold = 256 * 1024 * 1024;
179 const size_t kFrameTooSmallThreshold = 256 * 1024;
180 frame_size = mem_get_le32(raw_hdr);
182 if (frame_size > kCorruptFrameThreshold) {
183 warn("Read invalid frame size (%u)\n", (unsigned int)frame_size);
187 if (frame_size < kFrameTooSmallThreshold) {
188 warn("Warning: Read invalid frame size (%u) - not a raw file?\n",
189 (unsigned int)frame_size);
192 if (frame_size > *buffer_size) {
193 uint8_t *new_buf = realloc(*buffer, 2 * frame_size);
196 *buffer_size = 2 * frame_size;
198 warn("Failed to allocate compressed data buffer\n");
205 if (fread(*buffer, 1, frame_size, infile) != frame_size) {
206 warn("Failed to read full frame\n");
209 *bytes_read = frame_size;
215 static int read_frame(struct VpxDecInputContext *input, uint8_t **buf,
216 size_t *bytes_in_buffer, size_t *buffer_size) {
217 switch (input->vpx_input_ctx->file_type) {
219 return webm_read_frame(input->webm_ctx,
220 buf, bytes_in_buffer, buffer_size);
222 return raw_read_frame(input->vpx_input_ctx->file,
223 buf, bytes_in_buffer, buffer_size);
225 return ivf_read_frame(input->vpx_input_ctx->file,
226 buf, bytes_in_buffer, buffer_size);
232 static int get_image_plane_width(int plane, const vpx_image_t *img) {
233 return (plane > 0 && img->x_chroma_shift > 0) ?
234 (img->d_w + 1) >> img->x_chroma_shift :
238 static int get_image_plane_height(int plane, const vpx_image_t *img) {
239 return (plane > 0 && img->y_chroma_shift > 0) ?
240 (img->d_h + 1) >> img->y_chroma_shift :
244 static void update_image_md5(const vpx_image_t *img, const int planes[3],
248 for (i = 0; i < 3; ++i) {
249 const int plane = planes[i];
250 const unsigned char *buf = img->planes[plane];
251 const int stride = img->stride[plane];
252 const int w = get_image_plane_width(plane, img);
253 const int h = get_image_plane_height(plane, img);
255 for (y = 0; y < h; ++y) {
256 MD5Update(md5, buf, w);
262 static void write_image_file(const vpx_image_t *img, const int planes[3],
266 for (i = 0; i < 3; ++i) {
267 const int plane = planes[i];
268 const unsigned char *buf = img->planes[plane];
269 const int stride = img->stride[plane];
270 const int w = get_image_plane_width(plane, img);
271 const int h = get_image_plane_height(plane, img);
273 for (y = 0; y < h; ++y) {
274 fwrite(buf, 1, w, file);
280 int file_is_raw(struct VpxInputContext *input) {
283 vpx_codec_stream_info_t si;
287 if (fread(buf, 1, 32, input->file) == 32) {
290 if (mem_get_le32(buf) < 256 * 1024 * 1024) {
291 for (i = 0; i < get_vpx_decoder_count(); ++i) {
292 const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
293 if (!vpx_codec_peek_stream_info(decoder->interface(),
294 buf + 4, 32 - 4, &si)) {
296 input->fourcc = decoder->fourcc;
298 input->height = si.h;
299 input->framerate.numerator = 30;
300 input->framerate.denominator = 1;
311 void show_progress(int frame_in, int frame_out, unsigned long dx_time) {
312 fprintf(stderr, "%d decoded frames/%d showed frames in %lu us (%.2f fps)\r",
313 frame_in, frame_out, dx_time,
314 (float)frame_out * 1000000.0 / (float)dx_time);
317 void generate_filename(const char *pattern, char *out, size_t q_len,
318 unsigned int d_w, unsigned int d_h,
319 unsigned int frame_in) {
320 const char *p = pattern;
324 char *next_pat = strchr(p, '%');
329 /* parse the pattern */
333 snprintf(q, q_len - 1, "%d", d_w);
336 snprintf(q, q_len - 1, "%d", d_h);
339 snprintf(q, q_len - 1, "%d", frame_in);
342 snprintf(q, q_len - 1, "%02d", frame_in);
345 snprintf(q, q_len - 1, "%03d", frame_in);
348 snprintf(q, q_len - 1, "%04d", frame_in);
351 snprintf(q, q_len - 1, "%05d", frame_in);
354 snprintf(q, q_len - 1, "%06d", frame_in);
357 snprintf(q, q_len - 1, "%07d", frame_in);
360 snprintf(q, q_len - 1, "%08d", frame_in);
363 snprintf(q, q_len - 1, "%09d", frame_in);
366 die("Unrecognized pattern %%%c\n", p[1]);
370 if (pat_len >= q_len - 1)
371 die("Output filename too long.\n");
378 /* copy the next segment */
380 copy_len = strlen(p);
382 copy_len = next_pat - p;
384 if (copy_len >= q_len - 1)
385 die("Output filename too long.\n");
387 memcpy(q, p, copy_len);
396 static int is_single_file(const char *outfile_pattern) {
397 const char *p = outfile_pattern;
401 if (p && p[1] >= '1' && p[1] <= '9')
402 return 0; // pattern contains sequence number, so it's not unique
410 static void print_md5(unsigned char digest[16], const char *filename) {
413 for (i = 0; i < 16; ++i)
414 printf("%02x", digest[i]);
415 printf(" %s\n", filename);
418 static FILE *open_outfile(const char *name) {
419 if (strcmp("-", name) == 0) {
420 set_binary_mode(stdout);
423 FILE *file = fopen(name, "wb");
425 fatal("Failed to output file %s", name);
430 int main_loop(int argc, const char **argv_) {
431 vpx_codec_ctx_t decoder;
434 size_t bytes_in_buffer = 0, buffer_size = 0;
436 int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
437 int do_md5 = 0, progress = 0;
438 int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
441 const VpxInterface *interface = NULL;
442 const VpxInterface *fourcc_interface = NULL;
443 unsigned long dx_time = 0;
445 char **argv, **argi, **argj;
449 vpx_codec_dec_cfg_t cfg = {0};
450 #if CONFIG_VP8_DECODER
451 vp8_postproc_cfg_t vp8_pp_cfg = {0};
452 int vp8_dbg_color_ref_frame = 0;
453 int vp8_dbg_color_mb_modes = 0;
454 int vp8_dbg_color_b_modes = 0;
455 int vp8_dbg_display_mv = 0;
457 int frames_corrupted = 0;
460 vpx_image_t *scaled_img = NULL;
461 int frame_avail, got_data;
463 const char *outfile_pattern = NULL;
464 char outfile_name[PATH_MAX] = {0};
465 FILE *outfile = NULL;
468 unsigned char md5_digest[16];
470 struct VpxDecInputContext input = {0};
471 struct VpxInputContext vpx_input_ctx = {0};
472 struct WebmInputContext webm_ctx = {0};
473 input.vpx_input_ctx = &vpx_input_ctx;
474 input.webm_ctx = &webm_ctx;
476 /* Parse command line */
477 exec_name = argv_[0];
478 argv = argv_dup(argc - 1, argv_ + 1);
480 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
481 memset(&arg, 0, sizeof(arg));
484 if (arg_match(&arg, &codecarg, argi)) {
485 interface = get_vpx_decoder_by_name(arg.val);
487 die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
488 } else if (arg_match(&arg, &looparg, argi)) {
490 } else if (arg_match(&arg, &outputfile, argi))
491 outfile_pattern = arg.val;
492 else if (arg_match(&arg, &use_yv12, argi)) {
495 } else if (arg_match(&arg, &use_i420, argi)) {
498 } else if (arg_match(&arg, &flipuvarg, argi))
500 else if (arg_match(&arg, &noblitarg, argi))
502 else if (arg_match(&arg, &progressarg, argi))
504 else if (arg_match(&arg, &limitarg, argi))
505 stop_after = arg_parse_uint(&arg);
506 else if (arg_match(&arg, &skiparg, argi))
507 arg_skip = arg_parse_uint(&arg);
508 else if (arg_match(&arg, &postprocarg, argi))
510 else if (arg_match(&arg, &md5arg, argi))
512 else if (arg_match(&arg, &summaryarg, argi))
514 else if (arg_match(&arg, &threadsarg, argi))
515 cfg.threads = arg_parse_uint(&arg);
516 else if (arg_match(&arg, &verbosearg, argi))
518 else if (arg_match(&arg, &scalearg, argi))
521 #if CONFIG_VP8_DECODER
522 else if (arg_match(&arg, &addnoise_level, argi)) {
524 vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
525 vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
526 } else if (arg_match(&arg, &demacroblock_level, argi)) {
528 vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
529 vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
530 } else if (arg_match(&arg, &deblock, argi)) {
532 vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
533 } else if (arg_match(&arg, &mfqe, argi)) {
535 vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
536 } else if (arg_match(&arg, &pp_debug_info, argi)) {
537 unsigned int level = arg_parse_uint(&arg);
540 vp8_pp_cfg.post_proc_flag &= ~0x7;
543 vp8_pp_cfg.post_proc_flag |= level;
544 } else if (arg_match(&arg, &pp_disp_ref_frame, argi)) {
545 unsigned int flags = arg_parse_int(&arg);
548 vp8_dbg_color_ref_frame = flags;
550 } else if (arg_match(&arg, &pp_disp_mb_modes, argi)) {
551 unsigned int flags = arg_parse_int(&arg);
554 vp8_dbg_color_mb_modes = flags;
556 } else if (arg_match(&arg, &pp_disp_b_modes, argi)) {
557 unsigned int flags = arg_parse_int(&arg);
560 vp8_dbg_color_b_modes = flags;
562 } else if (arg_match(&arg, &pp_disp_mvs, argi)) {
563 unsigned int flags = arg_parse_int(&arg);
566 vp8_dbg_display_mv = flags;
568 } else if (arg_match(&arg, &error_concealment, argi)) {
577 /* Check for unrecognized options */
578 for (argi = argv; *argi; argi++)
579 if (argi[0][0] == '-' && strlen(argi[0]) > 1)
580 die("Error: Unrecognized option %s\n", *argi);
582 /* Handle non-option arguments */
589 infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
592 fprintf(stderr, "Failed to open file '%s'", strcmp(fn, "-") ? fn : "stdin");
595 #if CONFIG_OS_SUPPORT
596 /* Make sure we don't dump to the terminal, unless forced to with -o - */
597 if (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
599 "Not dumping raw video to your terminal. Use '-o -' to "
604 input.vpx_input_ctx->file = infile;
605 if (file_is_ivf(input.vpx_input_ctx))
606 input.vpx_input_ctx->file_type = FILE_TYPE_IVF;
607 else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
608 input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
609 else if (file_is_raw(input.vpx_input_ctx))
610 input.vpx_input_ctx->file_type = FILE_TYPE_RAW;
612 fprintf(stderr, "Unrecognized input file type.\n");
616 outfile_pattern = outfile_pattern ? outfile_pattern : "-";
617 single_file = is_single_file(outfile_pattern);
619 if (!noblit && single_file) {
620 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
621 vpx_input_ctx.width, vpx_input_ctx.height, 0);
625 outfile = open_outfile(outfile_name);
628 if (use_y4m && !noblit) {
630 fprintf(stderr, "YUV4MPEG2 not supported with output patterns,"
631 " try --i420 or --yv12.\n");
635 if (vpx_input_ctx.file_type == FILE_TYPE_WEBM) {
636 if (webm_guess_framerate(input.webm_ctx, input.vpx_input_ctx)) {
637 fprintf(stderr, "Failed to guess framerate -- error parsing "
644 fourcc_interface = get_vpx_decoder_by_fourcc(vpx_input_ctx.fourcc);
645 if (interface && fourcc_interface && interface != fourcc_interface)
646 warn("Header indicates codec: %s\n", fourcc_interface->name);
648 interface = fourcc_interface;
651 interface = get_vpx_decoder_by_index(0);
653 dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
654 (ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0);
655 if (vpx_codec_dec_init(&decoder, interface->interface(), &cfg, dec_flags)) {
656 fprintf(stderr, "Failed to initialize decoder: %s\n",
657 vpx_codec_error(&decoder));
662 fprintf(stderr, "%s\n", decoder.name);
664 #if CONFIG_VP8_DECODER
666 if (vp8_pp_cfg.post_proc_flag
667 && vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg)) {
668 fprintf(stderr, "Failed to configure postproc: %s\n", vpx_codec_error(&decoder));
672 if (vp8_dbg_color_ref_frame
673 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_REF_FRAME, vp8_dbg_color_ref_frame)) {
674 fprintf(stderr, "Failed to configure reference block visualizer: %s\n", vpx_codec_error(&decoder));
678 if (vp8_dbg_color_mb_modes
679 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_MB_MODES, vp8_dbg_color_mb_modes)) {
680 fprintf(stderr, "Failed to configure macro block visualizer: %s\n", vpx_codec_error(&decoder));
684 if (vp8_dbg_color_b_modes
685 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_B_MODES, vp8_dbg_color_b_modes)) {
686 fprintf(stderr, "Failed to configure block visualizer: %s\n", vpx_codec_error(&decoder));
690 if (vp8_dbg_display_mv
691 && vpx_codec_control(&decoder, VP8_SET_DBG_DISPLAY_MV, vp8_dbg_display_mv)) {
692 fprintf(stderr, "Failed to configure motion vector visualizer: %s\n", vpx_codec_error(&decoder));
699 fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
701 if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size))
710 while (frame_avail || got_data) {
711 vpx_codec_iter_t iter = NULL;
713 struct vpx_usec_timer timer;
717 if (!stop_after || frame_in < stop_after) {
718 if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
722 vpx_usec_timer_start(&timer);
724 if (vpx_codec_decode(&decoder, buf, bytes_in_buffer, NULL, 0)) {
725 const char *detail = vpx_codec_error_detail(&decoder);
726 warn("Failed to decode frame %d: %s",
727 frame_in, vpx_codec_error(&decoder));
730 warn("Additional information: %s", detail);
734 vpx_usec_timer_mark(&timer);
735 dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
739 vpx_usec_timer_start(&timer);
742 if ((img = vpx_codec_get_frame(&decoder, &iter))) {
747 vpx_usec_timer_mark(&timer);
748 dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
750 if (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
751 warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_codec_error(&decoder));
754 frames_corrupted += corrupted;
757 show_progress(frame_in, frame_out, dx_time);
759 if (!noblit && img) {
760 const int PLANES_YUV[] = {VPX_PLANE_Y, VPX_PLANE_U, VPX_PLANE_V};
761 const int PLANES_YVU[] = {VPX_PLANE_Y, VPX_PLANE_V, VPX_PLANE_U};
762 const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
765 if (frame_out == 1) {
766 // If the output frames are to be scaled to a fixed display size then
767 // use the width and height specified in the container. If either of
768 // these is set to 0, use the display size set in the first frame
769 // header. If that is unavailable, use the raw decoded size of the
770 // first decoded frame.
771 int display_width = vpx_input_ctx.width;
772 int display_height = vpx_input_ctx.height;
773 if (!display_width || !display_height) {
775 if (vpx_codec_control(&decoder, VP9D_GET_DISPLAY_SIZE,
777 // As last resort use size of first frame as display size.
778 display_width = img->d_w;
779 display_height = img->d_h;
781 display_width = display_size[0];
782 display_height = display_size[1];
785 scaled_img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420, display_width,
789 if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
790 vpx_image_scale(img, scaled_img, kFilterBox);
797 char buf[Y4M_BUFFER_SIZE] = {0};
799 if (frame_out == 1) {
801 len = y4m_write_file_header(buf, sizeof(buf),
803 vpx_input_ctx.height,
804 &vpx_input_ctx.framerate, img->fmt);
806 MD5Update(&md5_ctx, (md5byte *)buf, len);
813 len = y4m_write_frame_header(buf, sizeof(buf));
815 MD5Update(&md5_ctx, (md5byte *)buf, len);
822 update_image_md5(img, planes, &md5_ctx);
824 write_image_file(img, planes, outfile);
827 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
828 img->d_w, img->d_h, frame_in);
831 update_image_md5(img, planes, &md5_ctx);
832 MD5Final(md5_digest, &md5_ctx);
833 print_md5(md5_digest, outfile_name);
835 outfile = open_outfile(outfile_name);
836 write_image_file(img, planes, outfile);
842 if (stop_after && frame_in >= stop_after)
846 if (summary || progress) {
847 show_progress(frame_in, frame_out, dx_time);
848 fprintf(stderr, "\n");
851 if (frames_corrupted)
852 fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
856 if (vpx_codec_destroy(&decoder)) {
857 fprintf(stderr, "Failed to destroy decoder: %s\n",
858 vpx_codec_error(&decoder));
862 if (!noblit && single_file) {
864 MD5Final(md5_digest, &md5_ctx);
865 print_md5(md5_digest, outfile_name);
871 if (input.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
872 webm_free(input.webm_ctx);
876 if (scaled_img) vpx_img_free(scaled_img);
881 return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;
884 int main(int argc, const char **argv_) {
885 unsigned int loops = 1, i;
886 char **argv, **argi, **argj;
890 argv = argv_dup(argc - 1, argv_ + 1);
891 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
892 memset(&arg, 0, sizeof(arg));
895 if (arg_match(&arg, &looparg, argi)) {
896 loops = arg_parse_uint(&arg);
901 for (i = 0; !error && i < loops; i++)
902 error = main_loop(argc, argv_);