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) {
222 return webm_read_frame(input->webm_ctx,
223 buf, bytes_in_buffer, buffer_size);
225 return raw_read_frame(input->vpx_input_ctx->file,
226 buf, bytes_in_buffer, buffer_size);
228 return ivf_read_frame(input->vpx_input_ctx->file,
229 buf, bytes_in_buffer, buffer_size);
235 static void update_image_md5(const vpx_image_t *img, const int planes[3],
239 for (i = 0; i < 3; ++i) {
240 const int plane = planes[i];
241 const unsigned char *buf = img->planes[plane];
242 const int stride = img->stride[plane];
243 const int w = vpx_img_plane_width(img, plane);
244 const int h = vpx_img_plane_height(img, plane);
246 for (y = 0; y < h; ++y) {
247 MD5Update(md5, buf, w);
253 static void write_image_file(const vpx_image_t *img, const int planes[3],
257 for (i = 0; i < 3; ++i) {
258 const int plane = planes[i];
259 const unsigned char *buf = img->planes[plane];
260 const int stride = img->stride[plane];
261 const int w = vpx_img_plane_width(img, plane);
262 const int h = vpx_img_plane_height(img, plane);
264 for (y = 0; y < h; ++y) {
265 fwrite(buf, 1, w, file);
271 int file_is_raw(struct VpxInputContext *input) {
274 vpx_codec_stream_info_t si;
278 if (fread(buf, 1, 32, input->file) == 32) {
281 if (mem_get_le32(buf) < 256 * 1024 * 1024) {
282 for (i = 0; i < get_vpx_decoder_count(); ++i) {
283 const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
284 if (!vpx_codec_peek_stream_info(decoder->interface(),
285 buf + 4, 32 - 4, &si)) {
287 input->fourcc = decoder->fourcc;
289 input->height = si.h;
290 input->framerate.numerator = 30;
291 input->framerate.denominator = 1;
302 void show_progress(int frame_in, int frame_out, uint64_t dx_time) {
304 "%d decoded frames/%d showed frames in %"PRId64" us (%.2f fps)\r",
305 frame_in, frame_out, dx_time,
306 (double)frame_out * 1000000.0 / (double)dx_time);
309 struct ExternalFrameBuffer {
315 struct ExternalFrameBufferList {
316 int num_external_frame_buffers;
317 struct ExternalFrameBuffer *ext_fb;
320 // Callback used by libvpx to request an external frame buffer. |cb_priv|
321 // Application private data passed into the set function. |min_size| is the
322 // minimum size in bytes needed to decode the next frame. |fb| pointer to the
324 int get_vp9_frame_buffer(void *cb_priv, size_t min_size,
325 vpx_codec_frame_buffer_t *fb) {
327 struct ExternalFrameBufferList *const ext_fb_list =
328 (struct ExternalFrameBufferList *)cb_priv;
329 if (ext_fb_list == NULL)
332 // Find a free frame buffer.
333 for (i = 0; i < ext_fb_list->num_external_frame_buffers; ++i) {
334 if (!ext_fb_list->ext_fb[i].in_use)
338 if (i == ext_fb_list->num_external_frame_buffers)
341 if (ext_fb_list->ext_fb[i].size < min_size) {
342 free(ext_fb_list->ext_fb[i].data);
343 ext_fb_list->ext_fb[i].data = (uint8_t *)malloc(min_size);
344 if (!ext_fb_list->ext_fb[i].data)
347 ext_fb_list->ext_fb[i].size = min_size;
350 fb->data = ext_fb_list->ext_fb[i].data;
351 fb->size = ext_fb_list->ext_fb[i].size;
352 ext_fb_list->ext_fb[i].in_use = 1;
354 // Set the frame buffer's private data to point at the external frame buffer.
355 fb->priv = &ext_fb_list->ext_fb[i];
359 // Callback used by libvpx when there are no references to the frame buffer.
360 // |cb_priv| user private data passed into the set function. |fb| pointer
361 // to the frame buffer.
362 int release_vp9_frame_buffer(void *cb_priv,
363 vpx_codec_frame_buffer_t *fb) {
364 struct ExternalFrameBuffer *const ext_fb =
365 (struct ExternalFrameBuffer *)fb->priv;
371 void generate_filename(const char *pattern, char *out, size_t q_len,
372 unsigned int d_w, unsigned int d_h,
373 unsigned int frame_in) {
374 const char *p = pattern;
378 char *next_pat = strchr(p, '%');
383 /* parse the pattern */
387 snprintf(q, q_len - 1, "%d", d_w);
390 snprintf(q, q_len - 1, "%d", d_h);
393 snprintf(q, q_len - 1, "%d", frame_in);
396 snprintf(q, q_len - 1, "%02d", frame_in);
399 snprintf(q, q_len - 1, "%03d", frame_in);
402 snprintf(q, q_len - 1, "%04d", frame_in);
405 snprintf(q, q_len - 1, "%05d", frame_in);
408 snprintf(q, q_len - 1, "%06d", frame_in);
411 snprintf(q, q_len - 1, "%07d", frame_in);
414 snprintf(q, q_len - 1, "%08d", frame_in);
417 snprintf(q, q_len - 1, "%09d", frame_in);
420 die("Unrecognized pattern %%%c\n", p[1]);
424 if (pat_len >= q_len - 1)
425 die("Output filename too long.\n");
432 /* copy the next segment */
434 copy_len = strlen(p);
436 copy_len = next_pat - p;
438 if (copy_len >= q_len - 1)
439 die("Output filename too long.\n");
441 memcpy(q, p, copy_len);
450 static int is_single_file(const char *outfile_pattern) {
451 const char *p = outfile_pattern;
455 if (p && p[1] >= '1' && p[1] <= '9')
456 return 0; // pattern contains sequence number, so it's not unique
464 static void print_md5(unsigned char digest[16], const char *filename) {
467 for (i = 0; i < 16; ++i)
468 printf("%02x", digest[i]);
469 printf(" %s\n", filename);
472 static FILE *open_outfile(const char *name) {
473 if (strcmp("-", name) == 0) {
474 set_binary_mode(stdout);
477 FILE *file = fopen(name, "wb");
479 fatal("Failed to output file %s", name);
484 int main_loop(int argc, const char **argv_) {
485 vpx_codec_ctx_t decoder;
489 size_t bytes_in_buffer = 0, buffer_size = 0;
491 int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
492 int do_md5 = 0, progress = 0;
493 int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
496 const VpxInterface *interface = NULL;
497 const VpxInterface *fourcc_interface = NULL;
498 uint64_t dx_time = 0;
500 char **argv, **argi, **argj;
504 vpx_codec_dec_cfg_t cfg = {0};
505 #if CONFIG_VP8_DECODER
506 vp8_postproc_cfg_t vp8_pp_cfg = {0};
507 int vp8_dbg_color_ref_frame = 0;
508 int vp8_dbg_color_mb_modes = 0;
509 int vp8_dbg_color_b_modes = 0;
510 int vp8_dbg_display_mv = 0;
512 int frames_corrupted = 0;
515 vpx_image_t *scaled_img = NULL;
516 int frame_avail, got_data;
517 int num_external_frame_buffers = 0;
518 struct ExternalFrameBufferList ext_fb_list = {0};
520 const char *outfile_pattern = NULL;
521 char outfile_name[PATH_MAX] = {0};
522 FILE *outfile = NULL;
525 unsigned char md5_digest[16];
527 struct VpxDecInputContext input = {0};
528 struct VpxInputContext vpx_input_ctx = {0};
529 struct WebmInputContext webm_ctx = {0};
530 input.vpx_input_ctx = &vpx_input_ctx;
531 input.webm_ctx = &webm_ctx;
533 /* Parse command line */
534 exec_name = argv_[0];
535 argv = argv_dup(argc - 1, argv_ + 1);
537 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
538 memset(&arg, 0, sizeof(arg));
541 if (arg_match(&arg, &codecarg, argi)) {
542 interface = get_vpx_decoder_by_name(arg.val);
544 die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
545 } else if (arg_match(&arg, &looparg, argi)) {
547 } else if (arg_match(&arg, &outputfile, argi))
548 outfile_pattern = arg.val;
549 else if (arg_match(&arg, &use_yv12, argi)) {
552 } else if (arg_match(&arg, &use_i420, argi)) {
555 } else if (arg_match(&arg, &flipuvarg, argi))
557 else if (arg_match(&arg, &noblitarg, argi))
559 else if (arg_match(&arg, &progressarg, argi))
561 else if (arg_match(&arg, &limitarg, argi))
562 stop_after = arg_parse_uint(&arg);
563 else if (arg_match(&arg, &skiparg, argi))
564 arg_skip = arg_parse_uint(&arg);
565 else if (arg_match(&arg, &postprocarg, argi))
567 else if (arg_match(&arg, &md5arg, argi))
569 else if (arg_match(&arg, &summaryarg, argi))
571 else if (arg_match(&arg, &threadsarg, argi))
572 cfg.threads = arg_parse_uint(&arg);
573 else if (arg_match(&arg, &verbosearg, argi))
575 else if (arg_match(&arg, &scalearg, argi))
577 else if (arg_match(&arg, &fb_arg, argi))
578 num_external_frame_buffers = arg_parse_uint(&arg);
580 #if CONFIG_VP8_DECODER
581 else if (arg_match(&arg, &addnoise_level, argi)) {
583 vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
584 vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
585 } else if (arg_match(&arg, &demacroblock_level, argi)) {
587 vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
588 vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
589 } else if (arg_match(&arg, &deblock, argi)) {
591 vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
592 } else if (arg_match(&arg, &mfqe, argi)) {
594 vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
595 } else if (arg_match(&arg, &pp_debug_info, argi)) {
596 unsigned int level = arg_parse_uint(&arg);
599 vp8_pp_cfg.post_proc_flag &= ~0x7;
602 vp8_pp_cfg.post_proc_flag |= level;
603 } else if (arg_match(&arg, &pp_disp_ref_frame, argi)) {
604 unsigned int flags = arg_parse_int(&arg);
607 vp8_dbg_color_ref_frame = flags;
609 } else if (arg_match(&arg, &pp_disp_mb_modes, argi)) {
610 unsigned int flags = arg_parse_int(&arg);
613 vp8_dbg_color_mb_modes = flags;
615 } else if (arg_match(&arg, &pp_disp_b_modes, argi)) {
616 unsigned int flags = arg_parse_int(&arg);
619 vp8_dbg_color_b_modes = flags;
621 } else if (arg_match(&arg, &pp_disp_mvs, argi)) {
622 unsigned int flags = arg_parse_int(&arg);
625 vp8_dbg_display_mv = flags;
627 } else if (arg_match(&arg, &error_concealment, argi)) {
636 /* Check for unrecognized options */
637 for (argi = argv; *argi; argi++)
638 if (argi[0][0] == '-' && strlen(argi[0]) > 1)
639 die("Error: Unrecognized option %s\n", *argi);
641 /* Handle non-option arguments */
648 infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);
651 fprintf(stderr, "Failed to open file '%s'", strcmp(fn, "-") ? fn : "stdin");
654 #if CONFIG_OS_SUPPORT
655 /* Make sure we don't dump to the terminal, unless forced to with -o - */
656 if (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
658 "Not dumping raw video to your terminal. Use '-o -' to "
663 input.vpx_input_ctx->file = infile;
664 if (file_is_ivf(input.vpx_input_ctx))
665 input.vpx_input_ctx->file_type = FILE_TYPE_IVF;
666 else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
667 input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
668 else if (file_is_raw(input.vpx_input_ctx))
669 input.vpx_input_ctx->file_type = FILE_TYPE_RAW;
671 fprintf(stderr, "Unrecognized input file type.\n");
675 outfile_pattern = outfile_pattern ? outfile_pattern : "-";
676 single_file = is_single_file(outfile_pattern);
678 if (!noblit && single_file) {
679 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
680 vpx_input_ctx.width, vpx_input_ctx.height, 0);
684 outfile = open_outfile(outfile_name);
687 if (use_y4m && !noblit) {
689 fprintf(stderr, "YUV4MPEG2 not supported with output patterns,"
690 " try --i420 or --yv12.\n");
694 if (vpx_input_ctx.file_type == FILE_TYPE_WEBM) {
695 if (webm_guess_framerate(input.webm_ctx, input.vpx_input_ctx)) {
696 fprintf(stderr, "Failed to guess framerate -- error parsing "
703 fourcc_interface = get_vpx_decoder_by_fourcc(vpx_input_ctx.fourcc);
704 if (interface && fourcc_interface && interface != fourcc_interface)
705 warn("Header indicates codec: %s\n", fourcc_interface->name);
707 interface = fourcc_interface;
710 interface = get_vpx_decoder_by_index(0);
712 dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
713 (ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0);
714 if (vpx_codec_dec_init(&decoder, interface->interface(), &cfg, dec_flags)) {
715 fprintf(stderr, "Failed to initialize decoder: %s\n",
716 vpx_codec_error(&decoder));
721 fprintf(stderr, "%s\n", decoder.name);
723 #if CONFIG_VP8_DECODER
725 if (vp8_pp_cfg.post_proc_flag
726 && vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg)) {
727 fprintf(stderr, "Failed to configure postproc: %s\n", vpx_codec_error(&decoder));
731 if (vp8_dbg_color_ref_frame
732 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_REF_FRAME, vp8_dbg_color_ref_frame)) {
733 fprintf(stderr, "Failed to configure reference block visualizer: %s\n", vpx_codec_error(&decoder));
737 if (vp8_dbg_color_mb_modes
738 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_MB_MODES, vp8_dbg_color_mb_modes)) {
739 fprintf(stderr, "Failed to configure macro block visualizer: %s\n", vpx_codec_error(&decoder));
743 if (vp8_dbg_color_b_modes
744 && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_B_MODES, vp8_dbg_color_b_modes)) {
745 fprintf(stderr, "Failed to configure block visualizer: %s\n", vpx_codec_error(&decoder));
749 if (vp8_dbg_display_mv
750 && vpx_codec_control(&decoder, VP8_SET_DBG_DISPLAY_MV, vp8_dbg_display_mv)) {
751 fprintf(stderr, "Failed to configure motion vector visualizer: %s\n", vpx_codec_error(&decoder));
758 fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
760 if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size))
765 if (num_external_frame_buffers > 0) {
766 ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
767 ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
768 num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
769 if (vpx_codec_set_frame_buffer_functions(
770 &decoder, get_vp9_frame_buffer, release_vp9_frame_buffer,
772 fprintf(stderr, "Failed to configure external frame buffers: %s\n",
773 vpx_codec_error(&decoder));
782 while (frame_avail || got_data) {
783 vpx_codec_iter_t iter = NULL;
785 struct vpx_usec_timer timer;
789 if (!stop_after || frame_in < stop_after) {
790 if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
794 vpx_usec_timer_start(&timer);
796 if (vpx_codec_decode(&decoder, buf, (unsigned int)bytes_in_buffer,
798 const char *detail = vpx_codec_error_detail(&decoder);
799 warn("Failed to decode frame %d: %s",
800 frame_in, vpx_codec_error(&decoder));
803 warn("Additional information: %s", detail);
807 vpx_usec_timer_mark(&timer);
808 dx_time += vpx_usec_timer_elapsed(&timer);
812 vpx_usec_timer_start(&timer);
815 if ((img = vpx_codec_get_frame(&decoder, &iter))) {
820 vpx_usec_timer_mark(&timer);
821 dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);
823 if (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
824 warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_codec_error(&decoder));
827 frames_corrupted += corrupted;
830 show_progress(frame_in, frame_out, dx_time);
832 if (!noblit && img) {
833 const int PLANES_YUV[] = {VPX_PLANE_Y, VPX_PLANE_U, VPX_PLANE_V};
834 const int PLANES_YVU[] = {VPX_PLANE_Y, VPX_PLANE_V, VPX_PLANE_U};
835 const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;
838 if (frame_out == 1) {
839 // If the output frames are to be scaled to a fixed display size then
840 // use the width and height specified in the container. If either of
841 // these is set to 0, use the display size set in the first frame
842 // header. If that is unavailable, use the raw decoded size of the
843 // first decoded frame.
844 int display_width = vpx_input_ctx.width;
845 int display_height = vpx_input_ctx.height;
846 if (!display_width || !display_height) {
848 if (vpx_codec_control(&decoder, VP9D_GET_DISPLAY_SIZE,
850 // As last resort use size of first frame as display size.
851 display_width = img->d_w;
852 display_height = img->d_h;
854 display_width = display_size[0];
855 display_height = display_size[1];
858 scaled_img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420, display_width,
862 if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
863 vpx_image_scale(img, scaled_img, kFilterBox);
870 char buf[Y4M_BUFFER_SIZE] = {0};
872 if (frame_out == 1) {
874 len = y4m_write_file_header(buf, sizeof(buf),
876 vpx_input_ctx.height,
877 &vpx_input_ctx.framerate, img->fmt);
879 MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
886 len = y4m_write_frame_header(buf, sizeof(buf));
888 MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
895 update_image_md5(img, planes, &md5_ctx);
897 write_image_file(img, planes, outfile);
900 generate_filename(outfile_pattern, outfile_name, PATH_MAX,
901 img->d_w, img->d_h, frame_in);
904 update_image_md5(img, planes, &md5_ctx);
905 MD5Final(md5_digest, &md5_ctx);
906 print_md5(md5_digest, outfile_name);
908 outfile = open_outfile(outfile_name);
909 write_image_file(img, planes, outfile);
915 if (stop_after && frame_in >= stop_after)
919 if (summary || progress) {
920 show_progress(frame_in, frame_out, dx_time);
921 fprintf(stderr, "\n");
924 if (frames_corrupted)
925 fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
929 if (vpx_codec_destroy(&decoder)) {
930 fprintf(stderr, "Failed to destroy decoder: %s\n",
931 vpx_codec_error(&decoder));
935 if (!noblit && single_file) {
937 MD5Final(md5_digest, &md5_ctx);
938 print_md5(md5_digest, outfile_name);
944 if (input.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
945 webm_free(input.webm_ctx);
949 if (scaled_img) vpx_img_free(scaled_img);
951 for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
952 free(ext_fb_list.ext_fb[i].data);
954 free(ext_fb_list.ext_fb);
959 return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;
962 int main(int argc, const char **argv_) {
963 unsigned int loops = 1, i;
964 char **argv, **argi, **argj;
968 argv = argv_dup(argc - 1, argv_ + 1);
969 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
970 memset(&arg, 0, sizeof(arg));
973 if (arg_match(&arg, &looparg, argi)) {
974 loops = arg_parse_uint(&arg);
979 for (i = 0; !error && i < loops; i++)
980 error = main_loop(argc, argv_);