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/mem_ops.h"
27 #include "vpx_ports/vpx_timer.h"
29 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
30 #include "vpx/vp8dx.h"
33 #include "./md5_utils.h"
35 #include "./tools_common.h"
36 #include "./webmdec.h"
39 static const char *exec_name;
41 struct VpxDecInputContext {
42 struct VpxInputContext *vpx_input_ctx;
43 struct WebmInputContext *webm_ctx;
46 static const arg_def_t looparg = ARG_DEF(NULL, "loops", 1,
47 "Number of times to decode the file");
48 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
50 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
51 "Output raw YV12 frames");
52 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
53 "Output raw I420 frames");
54 static const arg_def_t flipuvarg = ARG_DEF(NULL, "flipuv", 0,
55 "Flip the chroma planes in the output");
56 static const arg_def_t noblitarg = ARG_DEF(NULL, "noblit", 0,
57 "Don't process the decoded frames");
58 static const arg_def_t progressarg = ARG_DEF(NULL, "progress", 0,
59 "Show progress after each frame decodes");
60 static const arg_def_t limitarg = ARG_DEF(NULL, "limit", 1,
61 "Stop decoding after n frames");
62 static const arg_def_t skiparg = ARG_DEF(NULL, "skip", 1,
63 "Skip the first n input frames");
64 static const arg_def_t postprocarg = ARG_DEF(NULL, "postproc", 0,
65 "Postprocess decoded frames");
66 static const arg_def_t summaryarg = ARG_DEF(NULL, "summary", 0,
67 "Show timing summary");
68 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
69 "Output file name pattern (see below)");
70 static const arg_def_t threadsarg = ARG_DEF("t", "threads", 1,
71 "Max threads to use");
72 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
73 "Show version string");
74 static const arg_def_t error_concealment = ARG_DEF(NULL, "error-concealment", 0,
75 "Enable decoder error-concealment");
76 static const arg_def_t scalearg = ARG_DEF("S", "scale", 0,
77 "Scale output frames uniformly");
79 static const arg_def_t fb_arg =
80 ARG_DEF(NULL, "frame-buffers", 1, "Number of frame buffers to use");
82 static const arg_def_t md5arg = ARG_DEF(NULL, "md5", 0,
83 "Compute the MD5 sum of the decoded frame");
85 static const arg_def_t *all_args[] = {
86 &codecarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
87 &progressarg, &limitarg, &skiparg, &postprocarg, &summaryarg, &outputfile,
88 &threadsarg, &verbosearg, &scalearg, &fb_arg,
94 #if CONFIG_VP8_DECODER
95 static const arg_def_t addnoise_level = ARG_DEF(NULL, "noise-level", 1,
96 "Enable VP8 postproc add noise");
97 static const arg_def_t deblock = ARG_DEF(NULL, "deblock", 0,
98 "Enable VP8 deblocking");
99 static const arg_def_t demacroblock_level = ARG_DEF(NULL, "demacroblock-level", 1,
100 "Enable VP8 demacroblocking, w/ level");
101 static const arg_def_t pp_debug_info = ARG_DEF(NULL, "pp-debug-info", 1,
102 "Enable VP8 visible debug info");
103 static const arg_def_t pp_disp_ref_frame = ARG_DEF(NULL, "pp-dbg-ref-frame", 1,
104 "Display only selected reference frame per macro block");
105 static const arg_def_t pp_disp_mb_modes = ARG_DEF(NULL, "pp-dbg-mb-modes", 1,
106 "Display only selected macro block modes");
107 static const arg_def_t pp_disp_b_modes = ARG_DEF(NULL, "pp-dbg-b-modes", 1,
108 "Display only selected block modes");
109 static const arg_def_t pp_disp_mvs = ARG_DEF(NULL, "pp-dbg-mvs", 1,
110 "Draw only selected motion vectors");
111 static const arg_def_t mfqe = ARG_DEF(NULL, "mfqe", 0,
112 "Enable multiframe quality enhancement");
114 static const arg_def_t *vp8_pp_args[] = {
115 &addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
116 &pp_disp_ref_frame, &pp_disp_mb_modes, &pp_disp_b_modes, &pp_disp_mvs, &mfqe,
121 static int vpx_image_scale(vpx_image_t *src, vpx_image_t *dst,
123 assert(src->fmt == VPX_IMG_FMT_I420);
124 assert(dst->fmt == VPX_IMG_FMT_I420);
125 return I420Scale(src->planes[VPX_PLANE_Y], src->stride[VPX_PLANE_Y],
126 src->planes[VPX_PLANE_U], src->stride[VPX_PLANE_U],
127 src->planes[VPX_PLANE_V], src->stride[VPX_PLANE_V],
129 dst->planes[VPX_PLANE_Y], dst->stride[VPX_PLANE_Y],
130 dst->planes[VPX_PLANE_U], dst->stride[VPX_PLANE_U],
131 dst->planes[VPX_PLANE_V], dst->stride[VPX_PLANE_V],
139 fprintf(stderr, "Usage: %s <options> filename\n\n"
140 "Options:\n", exec_name);
141 arg_show_usage(stderr, all_args);
142 #if CONFIG_VP8_DECODER
143 fprintf(stderr, "\nVP8 Postprocessing Options:\n");
144 arg_show_usage(stderr, vp8_pp_args);
147 "\nOutput File Patterns:\n\n"
148 " The -o argument specifies the name of the file(s) to "
149 "write to. If the\n argument does not include any escape "
150 "characters, the output will be\n written to a single file. "
151 "Otherwise, the filename will be calculated by\n expanding "
152 "the following escape characters:\n");
154 "\n\t%%w - Frame width"
155 "\n\t%%h - Frame height"
156 "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"
157 "\n\n Pattern arguments are only supported in conjunction "
158 "with the --yv12 and\n --i420 options. If the -o option is "
159 "not specified, the output will be\n directed to stdout.\n"
161 fprintf(stderr, "\nIncluded decoders:\n\n");
163 for (i = 0; i < get_vpx_decoder_count(); ++i) {
164 const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
165 fprintf(stderr, " %-6s - %s\n",
166 decoder->name, vpx_codec_iface_name(decoder->interface()));
172 static int raw_read_frame(FILE *infile, uint8_t **buffer,
173 size_t *bytes_read, size_t *buffer_size) {
174 char raw_hdr[RAW_FRAME_HDR_SZ];
175 size_t frame_size = 0;
177 if (fread(raw_hdr, RAW_FRAME_HDR_SZ, 1, infile) != 1) {
179 warn("Failed to read RAW frame size\n");
181 const size_t kCorruptFrameThreshold = 256 * 1024 * 1024;
182 const size_t kFrameTooSmallThreshold = 256 * 1024;
183 frame_size = mem_get_le32(raw_hdr);
185 if (frame_size > kCorruptFrameThreshold) {
186 warn("Read invalid frame size (%u)\n", (unsigned int)frame_size);
190 if (frame_size < kFrameTooSmallThreshold) {
191 warn("Warning: Read invalid frame size (%u) - not a raw file?\n",
192 (unsigned int)frame_size);
195 if (frame_size > *buffer_size) {
196 uint8_t *new_buf = realloc(*buffer, 2 * frame_size);
199 *buffer_size = 2 * frame_size;
201 warn("Failed to allocate compressed data buffer\n");
208 if (fread(*buffer, 1, frame_size, infile) != frame_size) {
209 warn("Failed to read full frame\n");
212 *bytes_read = frame_size;
218 static int read_frame(struct VpxDecInputContext *input, uint8_t **buf,
219 size_t *bytes_in_buffer, size_t *buffer_size) {
220 switch (input->vpx_input_ctx->file_type) {
223 return webm_read_frame(input->webm_ctx,
224 buf, bytes_in_buffer, buffer_size);
227 return raw_read_frame(input->vpx_input_ctx->file,
228 buf, bytes_in_buffer, buffer_size);
230 return ivf_read_frame(input->vpx_input_ctx->file,
231 buf, bytes_in_buffer, buffer_size);
237 static void update_image_md5(const vpx_image_t *img, const int planes[3],
241 for (i = 0; i < 3; ++i) {
242 const int plane = planes[i];
243 const unsigned char *buf = img->planes[plane];
244 const int stride = img->stride[plane];
245 const int w = vpx_img_plane_width(img, plane);
246 const int h = vpx_img_plane_height(img, plane);
248 for (y = 0; y < h; ++y) {
249 MD5Update(md5, buf, w);
255 static void write_image_file(const vpx_image_t *img, const int planes[3],
259 for (i = 0; i < 3; ++i) {
260 const int plane = planes[i];
261 const unsigned char *buf = img->planes[plane];
262 const int stride = img->stride[plane];
263 const int w = vpx_img_plane_width(img, plane);
264 const int h = vpx_img_plane_height(img, plane);
266 for (y = 0; y < h; ++y) {
267 fwrite(buf, 1, w, file);
273 int file_is_raw(struct VpxInputContext *input) {
276 vpx_codec_stream_info_t si;
280 if (fread(buf, 1, 32, input->file) == 32) {
283 if (mem_get_le32(buf) < 256 * 1024 * 1024) {
284 for (i = 0; i < get_vpx_decoder_count(); ++i) {
285 const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
286 if (!vpx_codec_peek_stream_info(decoder->interface(),
287 buf + 4, 32 - 4, &si)) {
289 input->fourcc = decoder->fourcc;
291 input->height = si.h;
292 input->framerate.numerator = 30;
293 input->framerate.denominator = 1;
304 void show_progress(int frame_in, int frame_out, uint64_t dx_time) {
306 "%d decoded frames/%d showed frames in %"PRId64" us (%.2f fps)\r",
307 frame_in, frame_out, dx_time,
308 (double)frame_out * 1000000.0 / (double)dx_time);
311 struct ExternalFrameBuffer {
317 struct ExternalFrameBufferList {
318 int num_external_frame_buffers;
319 struct ExternalFrameBuffer *ext_fb;
322 // Callback used by libvpx to request an external frame buffer. |cb_priv|
323 // Application private data passed into the set function. |min_size| is the
324 // minimum size in bytes needed to decode the next frame. |fb| pointer to the
326 int get_vp9_frame_buffer(void *cb_priv, size_t min_size,
327 vpx_codec_frame_buffer_t *fb) {
329 struct ExternalFrameBufferList *const ext_fb_list =
330 (struct ExternalFrameBufferList *)cb_priv;
331 if (ext_fb_list == NULL)
334 // Find a free frame buffer.
335 for (i = 0; i < ext_fb_list->num_external_frame_buffers; ++i) {
336 if (!ext_fb_list->ext_fb[i].in_use)
340 if (i == ext_fb_list->num_external_frame_buffers)
343 if (ext_fb_list->ext_fb[i].size < min_size) {
344 free(ext_fb_list->ext_fb[i].data);
345 ext_fb_list->ext_fb[i].data = (uint8_t *)malloc(min_size);
346 if (!ext_fb_list->ext_fb[i].data)
349 ext_fb_list->ext_fb[i].size = min_size;
352 fb->data = ext_fb_list->ext_fb[i].data;
353 fb->size = ext_fb_list->ext_fb[i].size;
354 ext_fb_list->ext_fb[i].in_use = 1;
356 // Set the frame buffer's private data to point at the external frame buffer.
357 fb->priv = &ext_fb_list->ext_fb[i];
361 // Callback used by libvpx when there are no references to the frame buffer.
362 // |cb_priv| user private data passed into the set function. |fb| pointer
363 // to the frame buffer.
364 int release_vp9_frame_buffer(void *cb_priv,
365 vpx_codec_frame_buffer_t *fb) {
366 struct ExternalFrameBuffer *const ext_fb =
367 (struct ExternalFrameBuffer *)fb->priv;
373 void generate_filename(const char *pattern, char *out, size_t q_len,
374 unsigned int d_w, unsigned int d_h,
375 unsigned int frame_in) {
376 const char *p = pattern;
380 char *next_pat = strchr(p, '%');
385 /* parse the pattern */
389 snprintf(q, q_len - 1, "%d", d_w);
392 snprintf(q, q_len - 1, "%d", d_h);
395 snprintf(q, q_len - 1, "%d", frame_in);
398 snprintf(q, q_len - 1, "%02d", frame_in);
401 snprintf(q, q_len - 1, "%03d", frame_in);
404 snprintf(q, q_len - 1, "%04d", frame_in);
407 snprintf(q, q_len - 1, "%05d", frame_in);
410 snprintf(q, q_len - 1, "%06d", frame_in);
413 snprintf(q, q_len - 1, "%07d", frame_in);
416 snprintf(q, q_len - 1, "%08d", frame_in);
419 snprintf(q, q_len - 1, "%09d", frame_in);
422 die("Unrecognized pattern %%%c\n", p[1]);
426 if (pat_len >= q_len - 1)
427 die("Output filename too long.\n");
434 /* copy the next segment */
436 copy_len = strlen(p);
438 copy_len = next_pat - p;
440 if (copy_len >= q_len - 1)
441 die("Output filename too long.\n");
443 memcpy(q, p, copy_len);
452 static int is_single_file(const char *outfile_pattern) {
453 const char *p = outfile_pattern;
457 if (p && p[1] >= '1' && p[1] <= '9')
458 return 0; // pattern contains sequence number, so it's not unique
466 static void print_md5(unsigned char digest[16], const char *filename) {
469 for (i = 0; i < 16; ++i)
470 printf("%02x", digest[i]);
471 printf(" %s\n", filename);
474 static FILE *open_outfile(const char *name) {
475 if (strcmp("-", name) == 0) {
476 set_binary_mode(stdout);
479 FILE *file = fopen(name, "wb");
481 fatal("Failed to output file %s", name);
486 int main_loop(int argc, const char **argv_) {
487 vpx_codec_ctx_t decoder;
491 size_t bytes_in_buffer = 0, buffer_size = 0;
493 int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
494 int do_md5 = 0, progress = 0;
495 int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
498 const VpxInterface *interface = NULL;
499 const VpxInterface *fourcc_interface = NULL;
500 uint64_t dx_time = 0;
502 char **argv, **argi, **argj;
506 vpx_codec_dec_cfg_t cfg = {0};
507 #if CONFIG_VP8_DECODER
508 vp8_postproc_cfg_t vp8_pp_cfg = {0};
509 int vp8_dbg_color_ref_frame = 0;
510 int vp8_dbg_color_mb_modes = 0;
511 int vp8_dbg_color_b_modes = 0;
512 int vp8_dbg_display_mv = 0;
514 int frames_corrupted = 0;
517 vpx_image_t *scaled_img = NULL;
518 int frame_avail, got_data;
519 int num_external_frame_buffers = 0;
520 struct ExternalFrameBufferList ext_fb_list = {0};
522 const char *outfile_pattern = NULL;
523 char outfile_name[PATH_MAX] = {0};
524 FILE *outfile = NULL;
527 unsigned char md5_digest[16];
529 struct VpxDecInputContext input = {0};
530 struct VpxInputContext vpx_input_ctx = {0};
531 struct WebmInputContext webm_ctx = {0};
532 input.vpx_input_ctx = &vpx_input_ctx;
533 input.webm_ctx = &webm_ctx;
535 /* Parse command line */
536 exec_name = argv_[0];
537 argv = argv_dup(argc - 1, argv_ + 1);
539 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
540 memset(&arg, 0, sizeof(arg));
543 if (arg_match(&arg, &codecarg, argi)) {
544 interface = get_vpx_decoder_by_name(arg.val);
546 die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
547 } else if (arg_match(&arg, &looparg, argi)) {
549 } else if (arg_match(&arg, &outputfile, argi))
550 outfile_pattern = arg.val;
551 else if (arg_match(&arg, &use_yv12, argi)) {
554 } else if (arg_match(&arg, &use_i420, argi)) {
557 } else if (arg_match(&arg, &flipuvarg, argi))
559 else if (arg_match(&arg, &noblitarg, argi))
561 else if (arg_match(&arg, &progressarg, argi))
563 else if (arg_match(&arg, &limitarg, argi))
564 stop_after = arg_parse_uint(&arg);
565 else if (arg_match(&arg, &skiparg, argi))
566 arg_skip = arg_parse_uint(&arg);
567 else if (arg_match(&arg, &postprocarg, argi))
569 else if (arg_match(&arg, &md5arg, argi))
571 else if (arg_match(&arg, &summaryarg, argi))
573 else if (arg_match(&arg, &threadsarg, argi))
574 cfg.threads = arg_parse_uint(&arg);
575 else if (arg_match(&arg, &verbosearg, argi))
577 else if (arg_match(&arg, &scalearg, argi))
579 else if (arg_match(&arg, &fb_arg, argi))
580 num_external_frame_buffers = arg_parse_uint(&arg);
582 #if CONFIG_VP8_DECODER
583 else if (arg_match(&arg, &addnoise_level, argi)) {
585 vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
586 vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
587 } else if (arg_match(&arg, &demacroblock_level, argi)) {
589 vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
590 vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
591 } else if (arg_match(&arg, &deblock, argi)) {
593 vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
594 } else if (arg_match(&arg, &mfqe, argi)) {
596 vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
597 } else if (arg_match(&arg, &pp_debug_info, argi)) {
598 unsigned int level = arg_parse_uint(&arg);
601 vp8_pp_cfg.post_proc_flag &= ~0x7;
604 vp8_pp_cfg.post_proc_flag |= level;
605 } else if (arg_match(&arg, &pp_disp_ref_frame, argi)) {
606 unsigned int flags = arg_parse_int(&arg);
609 vp8_dbg_color_ref_frame = flags;
611 } else if (arg_match(&arg, &pp_disp_mb_modes, argi)) {
612 unsigned int flags = arg_parse_int(&arg);
615 vp8_dbg_color_mb_modes = flags;
617 } else if (arg_match(&arg, &pp_disp_b_modes, argi)) {
618 unsigned int flags = arg_parse_int(&arg);
621 vp8_dbg_color_b_modes = flags;
623 } else if (arg_match(&arg, &pp_disp_mvs, argi)) {
624 unsigned int flags = arg_parse_int(&arg);
627 vp8_dbg_display_mv = flags;
629 } else if (arg_match(&arg, &error_concealment, argi)) {
638 /* Check for unrecognized options */
639 for (argi = argv; *argi; argi++)
640 if (argi[0][0] == '-' && strlen(argi[0]) > 1)
641 die("Error: Unrecognized option %s\n", *argi);
643 /* Handle non-option arguments */
650 infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
653 fprintf(stderr, "Failed to open file '%s'", strcmp(fn, "-") ? fn : "stdin");
656 #if CONFIG_OS_SUPPORT
657 /* Make sure we don't dump to the terminal, unless forced to with -o - */
658 if (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
660 "Not dumping raw video to your terminal. Use '-o -' to "
665 input.vpx_input_ctx->file = infile;
666 if (file_is_ivf(input.vpx_input_ctx))
667 input.vpx_input_ctx->file_type = FILE_TYPE_IVF;
669 else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
670 input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
672 else if (file_is_raw(input.vpx_input_ctx))
673 input.vpx_input_ctx->file_type = FILE_TYPE_RAW;
675 fprintf(stderr, "Unrecognized input file type.\n");
677 fprintf(stderr, "vpxdec was built without WebM container support.\n");
682 outfile_pattern = outfile_pattern ? outfile_pattern : "-";
683 single_file = is_single_file(outfile_pattern);
685 if (!noblit && single_file) {
686 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
687 vpx_input_ctx.width, vpx_input_ctx.height, 0);
691 outfile = open_outfile(outfile_name);
694 if (use_y4m && !noblit) {
696 fprintf(stderr, "YUV4MPEG2 not supported with output patterns,"
697 " try --i420 or --yv12.\n");
702 if (vpx_input_ctx.file_type == FILE_TYPE_WEBM) {
703 if (webm_guess_framerate(input.webm_ctx, input.vpx_input_ctx)) {
704 fprintf(stderr, "Failed to guess framerate -- error parsing "
712 fourcc_interface = get_vpx_decoder_by_fourcc(vpx_input_ctx.fourcc);
713 if (interface && fourcc_interface && interface != fourcc_interface)
714 warn("Header indicates codec: %s\n", fourcc_interface->name);
716 interface = fourcc_interface;
719 interface = get_vpx_decoder_by_index(0);
721 dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
722 (ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0);
723 if (vpx_codec_dec_init(&decoder, interface->interface(), &cfg, dec_flags)) {
724 fprintf(stderr, "Failed to initialize decoder: %s\n",
725 vpx_codec_error(&decoder));
730 fprintf(stderr, "%s\n", decoder.name);
732 #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", vpx_codec_error(&decoder));
740 if (vp8_dbg_color_ref_frame
741 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_REF_FRAME, vp8_dbg_color_ref_frame)) {
742 fprintf(stderr, "Failed to configure reference block visualizer: %s\n", vpx_codec_error(&decoder));
746 if (vp8_dbg_color_mb_modes
747 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_MB_MODES, vp8_dbg_color_mb_modes)) {
748 fprintf(stderr, "Failed to configure macro block visualizer: %s\n", vpx_codec_error(&decoder));
752 if (vp8_dbg_color_b_modes
753 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_B_MODES, vp8_dbg_color_b_modes)) {
754 fprintf(stderr, "Failed to configure block visualizer: %s\n", vpx_codec_error(&decoder));
758 if (vp8_dbg_display_mv
759 && vpx_codec_control(&decoder, VP8_SET_DBG_DISPLAY_MV, vp8_dbg_display_mv)) {
760 fprintf(stderr, "Failed to configure motion vector visualizer: %s\n", vpx_codec_error(&decoder));
767 fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
769 if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size))
774 if (num_external_frame_buffers > 0) {
775 ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
776 ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
777 num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
778 if (vpx_codec_set_frame_buffer_functions(
779 &decoder, get_vp9_frame_buffer, release_vp9_frame_buffer,
781 fprintf(stderr, "Failed to configure external frame buffers: %s\n",
782 vpx_codec_error(&decoder));
791 while (frame_avail || got_data) {
792 vpx_codec_iter_t iter = NULL;
794 struct vpx_usec_timer timer;
798 if (!stop_after || frame_in < stop_after) {
799 if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
803 vpx_usec_timer_start(&timer);
805 if (vpx_codec_decode(&decoder, buf, (unsigned int)bytes_in_buffer,
807 const char *detail = vpx_codec_error_detail(&decoder);
808 warn("Failed to decode frame %d: %s",
809 frame_in, vpx_codec_error(&decoder));
812 warn("Additional information: %s", detail);
816 vpx_usec_timer_mark(&timer);
817 dx_time += vpx_usec_timer_elapsed(&timer);
821 vpx_usec_timer_start(&timer);
824 if ((img = vpx_codec_get_frame(&decoder, &iter))) {
829 vpx_usec_timer_mark(&timer);
830 dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
832 if (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
833 warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_codec_error(&decoder));
836 frames_corrupted += corrupted;
839 show_progress(frame_in, frame_out, dx_time);
841 if (!noblit && img) {
842 const int PLANES_YUV[] = {VPX_PLANE_Y, VPX_PLANE_U, VPX_PLANE_V};
843 const int PLANES_YVU[] = {VPX_PLANE_Y, VPX_PLANE_V, VPX_PLANE_U};
844 const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
847 if (frame_out == 1) {
848 // If the output frames are to be scaled to a fixed display size then
849 // use the width and height specified in the container. If either of
850 // these is set to 0, use the display size set in the first frame
851 // header. If that is unavailable, use the raw decoded size of the
852 // first decoded frame.
853 int display_width = vpx_input_ctx.width;
854 int display_height = vpx_input_ctx.height;
855 if (!display_width || !display_height) {
857 if (vpx_codec_control(&decoder, VP9D_GET_DISPLAY_SIZE,
859 // As last resort use size of first frame as display size.
860 display_width = img->d_w;
861 display_height = img->d_h;
863 display_width = display_size[0];
864 display_height = display_size[1];
867 scaled_img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420, display_width,
871 if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
872 vpx_image_scale(img, scaled_img, kFilterBox);
879 char buf[Y4M_BUFFER_SIZE] = {0};
881 if (frame_out == 1) {
883 len = y4m_write_file_header(buf, sizeof(buf),
885 vpx_input_ctx.height,
886 &vpx_input_ctx.framerate, img->fmt);
888 MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
895 len = y4m_write_frame_header(buf, sizeof(buf));
897 MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
904 update_image_md5(img, planes, &md5_ctx);
906 write_image_file(img, planes, outfile);
909 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
910 img->d_w, img->d_h, frame_in);
913 update_image_md5(img, planes, &md5_ctx);
914 MD5Final(md5_digest, &md5_ctx);
915 print_md5(md5_digest, outfile_name);
917 outfile = open_outfile(outfile_name);
918 write_image_file(img, planes, outfile);
924 if (stop_after && frame_in >= stop_after)
928 if (summary || progress) {
929 show_progress(frame_in, frame_out, dx_time);
930 fprintf(stderr, "\n");
933 if (frames_corrupted)
934 fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
938 if (vpx_codec_destroy(&decoder)) {
939 fprintf(stderr, "Failed to destroy decoder: %s\n",
940 vpx_codec_error(&decoder));
944 if (!noblit && single_file) {
946 MD5Final(md5_digest, &md5_ctx);
947 print_md5(md5_digest, outfile_name);
954 if (input.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
955 webm_free(input.webm_ctx);
958 if (input.vpx_input_ctx->file_type != FILE_TYPE_WEBM)
961 if (scaled_img) vpx_img_free(scaled_img);
963 for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
964 free(ext_fb_list.ext_fb[i].data);
966 free(ext_fb_list.ext_fb);
971 return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;
974 int main(int argc, const char **argv_) {
975 unsigned int loops = 1, i;
976 char **argv, **argi, **argj;
980 argv = argv_dup(argc - 1, argv_ + 1);
981 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
982 memset(&arg, 0, sizeof(arg));
985 if (arg_match(&arg, &looparg, argi)) {
986 loops = arg_parse_uint(&arg);
991 for (i = 0; !error && i < loops; i++)
992 error = main_loop(argc, argv_);