2 * ffmpeg option parsing
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "libavformat/avformat.h"
28 #include "libavcodec/avcodec.h"
30 #include "libavfilter/avfilter.h"
32 #include "libavutil/avassert.h"
33 #include "libavutil/avstring.h"
34 #include "libavutil/avutil.h"
35 #include "libavutil/channel_layout.h"
36 #include "libavutil/intreadwrite.h"
37 #include "libavutil/fifo.h"
38 #include "libavutil/mathematics.h"
39 #include "libavutil/opt.h"
40 #include "libavutil/parseutils.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/pixfmt.h"
43 #include "libavutil/time_internal.h"
45 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
47 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
50 for (i = 0; i < o->nb_ ## name; i++) {\
51 char *spec = o->name[i].specifier;\
52 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
53 outvar = o->name[i].u.type;\
59 #define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
62 for (i = 0; i < o->nb_ ## name; i++) {\
63 char *spec = o->name[i].specifier;\
64 if (!strcmp(spec, mediatype))\
65 outvar = o->name[i].u.type;\
69 const HWAccel hwaccels[] = {
71 { "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
74 { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD },
77 { "vda", videotoolbox_init, HWACCEL_VDA, AV_PIX_FMT_VDA },
79 #if CONFIG_VIDEOTOOLBOX
80 { "videotoolbox", videotoolbox_init, HWACCEL_VIDEOTOOLBOX, AV_PIX_FMT_VIDEOTOOLBOX },
83 { "qsv", qsv_init, HWACCEL_QSV, AV_PIX_FMT_QSV },
88 char *vstats_filename;
91 float audio_drift_threshold = 0.1;
92 float dts_delta_threshold = 10;
93 float dts_error_threshold = 3600*30;
95 int audio_volume = 256;
96 int audio_sync_method = 0;
97 int video_sync_method = VSYNC_AUTO;
98 float frame_drop_threshold = 0;
99 int do_deinterlace = 0;
100 int do_benchmark = 0;
101 int do_benchmark_all = 0;
105 int start_at_zero = 0;
108 int exit_on_error = 0;
109 int abort_on_flags = 0;
110 int print_stats = -1;
112 int stdin_interaction = 1;
113 int frame_bits_per_raw_sample = 0;
114 float max_error_rate = 2.0/3;
117 static int intra_only = 0;
118 static int file_overwrite = 0;
119 static int no_file_overwrite = 0;
120 static int do_psnr = 0;
121 static int input_sync;
122 static int override_ffserver = 0;
123 static int input_stream_potentially_available = 0;
124 static int ignore_unknown_streams = 0;
125 static int copy_unknown_streams = 0;
127 static void uninit_options(OptionsContext *o)
129 const OptionDef *po = options;
132 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
134 void *dst = (uint8_t*)o + po->u.off;
136 if (po->flags & OPT_SPEC) {
137 SpecifierOpt **so = dst;
138 int i, *count = (int*)(so + 1);
139 for (i = 0; i < *count; i++) {
140 av_freep(&(*so)[i].specifier);
141 if (po->flags & OPT_STRING)
142 av_freep(&(*so)[i].u.str);
146 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
151 for (i = 0; i < o->nb_stream_maps; i++)
152 av_freep(&o->stream_maps[i].linklabel);
153 av_freep(&o->stream_maps);
154 av_freep(&o->audio_channel_maps);
155 av_freep(&o->streamid_map);
156 av_freep(&o->attachments);
159 static void init_options(OptionsContext *o)
161 memset(o, 0, sizeof(*o));
163 o->stop_time = INT64_MAX;
164 o->mux_max_delay = 0.7;
165 o->start_time = AV_NOPTS_VALUE;
166 o->start_time_eof = AV_NOPTS_VALUE;
167 o->recording_time = INT64_MAX;
168 o->limit_filesize = UINT64_MAX;
169 o->chapters_input_file = INT_MAX;
170 o->accurate_seek = 1;
173 static int show_hwaccels(void *optctx, const char *opt, const char *arg)
177 printf("Hardware acceleration methods:\n");
178 for (i = 0; i < FF_ARRAY_ELEMS(hwaccels) - 1; i++) {
179 printf("%s\n", hwaccels[i].name);
185 /* return a copy of the input with the stream specifiers removed from the keys */
186 static AVDictionary *strip_specifiers(AVDictionary *dict)
188 AVDictionaryEntry *e = NULL;
189 AVDictionary *ret = NULL;
191 while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
192 char *p = strchr(e->key, ':');
196 av_dict_set(&ret, e->key, e->value, 0);
203 static int opt_abort_on(void *optctx, const char *opt, const char *arg)
205 static const AVOption opts[] = {
206 { "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
207 { "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
210 static const AVClass class = {
212 .item_name = av_default_item_name,
214 .version = LIBAVUTIL_VERSION_INT,
216 const AVClass *pclass = &class;
218 return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
221 static int opt_sameq(void *optctx, const char *opt, const char *arg)
223 av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
224 "If you are looking for an option to preserve the quality (which is not "
225 "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
227 return AVERROR(EINVAL);
230 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
232 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
233 return opt_default(optctx, "channel", arg);
236 static int opt_video_standard(void *optctx, const char *opt, const char *arg)
238 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
239 return opt_default(optctx, "standard", arg);
242 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
244 OptionsContext *o = optctx;
245 return parse_option(o, "codec:a", arg, options);
248 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
250 OptionsContext *o = optctx;
251 return parse_option(o, "codec:v", arg, options);
254 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
256 OptionsContext *o = optctx;
257 return parse_option(o, "codec:s", arg, options);
260 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
262 OptionsContext *o = optctx;
263 return parse_option(o, "codec:d", arg, options);
266 static int opt_map(void *optctx, const char *opt, const char *arg)
268 OptionsContext *o = optctx;
270 int i, negative = 0, file_idx;
271 int sync_file_idx = -1, sync_stream_idx = 0;
280 map = av_strdup(arg);
282 return AVERROR(ENOMEM);
284 /* parse sync stream first, just pick first matching stream */
285 if (sync = strchr(map, ',')) {
287 sync_file_idx = strtol(sync + 1, &sync, 0);
288 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
289 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
294 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
295 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
296 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
300 if (i == input_files[sync_file_idx]->nb_streams) {
301 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
302 "match any streams.\n", arg);
309 /* this mapping refers to lavfi output */
310 const char *c = map + 1;
311 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
312 m = &o->stream_maps[o->nb_stream_maps - 1];
313 m->linklabel = av_get_token(&c, "]");
315 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
319 if (allow_unused = strchr(map, '?'))
321 file_idx = strtol(map, &p, 0);
322 if (file_idx >= nb_input_files || file_idx < 0) {
323 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
327 /* disable some already defined maps */
328 for (i = 0; i < o->nb_stream_maps; i++) {
329 m = &o->stream_maps[i];
330 if (file_idx == m->file_index &&
331 check_stream_specifier(input_files[m->file_index]->ctx,
332 input_files[m->file_index]->ctx->streams[m->stream_index],
333 *p == ':' ? p + 1 : p) > 0)
337 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
338 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
339 *p == ':' ? p + 1 : p) <= 0)
341 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
342 m = &o->stream_maps[o->nb_stream_maps - 1];
344 m->file_index = file_idx;
347 if (sync_file_idx >= 0) {
348 m->sync_file_index = sync_file_idx;
349 m->sync_stream_index = sync_stream_idx;
351 m->sync_file_index = file_idx;
352 m->sync_stream_index = i;
359 av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
361 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
362 "To ignore this, add a trailing '?' to the map.\n", arg);
371 static int opt_attach(void *optctx, const char *opt, const char *arg)
373 OptionsContext *o = optctx;
374 GROW_ARRAY(o->attachments, o->nb_attachments);
375 o->attachments[o->nb_attachments - 1] = arg;
379 static int opt_map_channel(void *optctx, const char *opt, const char *arg)
381 OptionsContext *o = optctx;
386 GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
387 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
389 /* muted channel syntax */
390 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
391 if ((n == 1 || n == 3) && m->channel_idx == -1) {
392 m->file_idx = m->stream_idx = -1;
394 m->ofile_idx = m->ostream_idx = -1;
399 n = sscanf(arg, "%d.%d.%d:%d.%d",
400 &m->file_idx, &m->stream_idx, &m->channel_idx,
401 &m->ofile_idx, &m->ostream_idx);
403 if (n != 3 && n != 5) {
404 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
405 "[file.stream.channel|-1][:syncfile:syncstream]\n");
409 if (n != 5) // only file.stream.channel specified
410 m->ofile_idx = m->ostream_idx = -1;
413 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
414 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
418 if (m->stream_idx < 0 ||
419 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
420 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
421 m->file_idx, m->stream_idx);
424 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
425 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
426 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
427 m->file_idx, m->stream_idx);
430 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
431 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
432 m->file_idx, m->stream_idx, m->channel_idx);
438 static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
440 av_free(sdp_filename);
441 sdp_filename = av_strdup(arg);
446 * Parse a metadata specifier passed as 'arg' parameter.
447 * @param arg metadata string to parse
448 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
449 * @param index for type c/p, chapter/program index is written here
450 * @param stream_spec for type s, the stream specifier is written here
452 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
460 if (*(++arg) && *arg != ':') {
461 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
464 *stream_spec = *arg == ':' ? arg + 1 : "";
469 *index = strtol(++arg, NULL, 0);
472 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
479 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
481 AVDictionary **meta_in = NULL;
482 AVDictionary **meta_out = NULL;
484 char type_in, type_out;
485 const char *istream_spec = NULL, *ostream_spec = NULL;
486 int idx_in = 0, idx_out = 0;
488 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
489 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
492 if (type_out == 'g' || !*outspec)
493 o->metadata_global_manual = 1;
494 if (type_out == 's' || !*outspec)
495 o->metadata_streams_manual = 1;
496 if (type_out == 'c' || !*outspec)
497 o->metadata_chapters_manual = 1;
501 if (type_in == 'g' || type_out == 'g')
502 o->metadata_global_manual = 1;
503 if (type_in == 's' || type_out == 's')
504 o->metadata_streams_manual = 1;
505 if (type_in == 'c' || type_out == 'c')
506 o->metadata_chapters_manual = 1;
508 /* ic is NULL when just disabling automatic mappings */
512 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
513 if ((index) < 0 || (index) >= (nb_elems)) {\
514 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
519 #define SET_DICT(type, meta, context, index)\
522 meta = &context->metadata;\
525 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
526 meta = &context->chapters[index]->metadata;\
529 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
530 meta = &context->programs[index]->metadata;\
533 break; /* handled separately below */ \
534 default: av_assert0(0);\
537 SET_DICT(type_in, meta_in, ic, idx_in);
538 SET_DICT(type_out, meta_out, oc, idx_out);
540 /* for input streams choose first matching stream */
541 if (type_in == 's') {
542 for (i = 0; i < ic->nb_streams; i++) {
543 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
544 meta_in = &ic->streams[i]->metadata;
550 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
555 if (type_out == 's') {
556 for (i = 0; i < oc->nb_streams; i++) {
557 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
558 meta_out = &oc->streams[i]->metadata;
559 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
564 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
569 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
571 OptionsContext *o = optctx;
573 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
574 struct tm time = *gmtime((time_t*)&recording_timestamp);
575 if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
577 parse_option(o, "metadata", buf, options);
579 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
580 "tag instead.\n", opt);
584 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
586 const AVCodecDescriptor *desc;
587 const char *codec_string = encoder ? "encoder" : "decoder";
591 avcodec_find_encoder_by_name(name) :
592 avcodec_find_decoder_by_name(name);
594 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
595 codec = encoder ? avcodec_find_encoder(desc->id) :
596 avcodec_find_decoder(desc->id);
598 av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
599 codec_string, codec->name, desc->name);
603 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
606 if (codec->type != type) {
607 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
613 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
615 char *codec_name = NULL;
617 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
619 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
620 st->codec->codec_id = codec->id;
623 return avcodec_find_decoder(st->codec->codec_id);
626 /* Add all the streams from the given input file to the global
627 * list of input streams. */
628 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
632 for (i = 0; i < ic->nb_streams; i++) {
633 AVStream *st = ic->streams[i];
634 AVCodecContext *dec = st->codec;
635 InputStream *ist = av_mallocz(sizeof(*ist));
636 char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
637 char *codec_tag = NULL;
639 char *discard_str = NULL;
640 const AVOption *discard_opt = av_opt_find(dec, "skip_frame", NULL, 0, 0);
645 GROW_ARRAY(input_streams, nb_input_streams);
646 input_streams[nb_input_streams - 1] = ist;
649 ist->file_index = nb_input_files;
651 st->discard = AVDISCARD_ALL;
653 ist->min_pts = INT64_MAX;
654 ist->max_pts = INT64_MIN;
657 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
660 MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
662 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
664 uint32_t tag = strtol(codec_tag, &next, 0);
666 tag = AV_RL32(codec_tag);
667 st->codec->codec_tag = tag;
670 ist->dec = choose_decoder(o, ic, st);
671 ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec);
673 ist->reinit_filters = -1;
674 MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
676 MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
677 ist->user_set_discard = AVDISCARD_NONE;
678 if (discard_str && av_opt_eval_int(dec, discard_opt, discard_str, &ist->user_set_discard) < 0) {
679 av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
684 ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
686 ist->dec_ctx = avcodec_alloc_context3(ist->dec);
688 av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
692 ret = avcodec_copy_context(ist->dec_ctx, dec);
694 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
698 switch (dec->codec_type) {
699 case AVMEDIA_TYPE_VIDEO:
701 ist->dec = avcodec_find_decoder(dec->codec_id);
703 if (av_codec_get_lowres(dec)) {
704 dec->flags |= CODEC_FLAG_EMU_EDGE;
708 ist->resample_height = ist->dec_ctx->height;
709 ist->resample_width = ist->dec_ctx->width;
710 ist->resample_pix_fmt = ist->dec_ctx->pix_fmt;
712 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
713 if (framerate && av_parse_video_rate(&ist->framerate,
715 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
720 ist->top_field_first = -1;
721 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
723 MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
725 if (!strcmp(hwaccel, "none"))
726 ist->hwaccel_id = HWACCEL_NONE;
727 else if (!strcmp(hwaccel, "auto"))
728 ist->hwaccel_id = HWACCEL_AUTO;
731 for (i = 0; hwaccels[i].name; i++) {
732 if (!strcmp(hwaccels[i].name, hwaccel)) {
733 ist->hwaccel_id = hwaccels[i].id;
738 if (!ist->hwaccel_id) {
739 av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
741 av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
742 for (i = 0; hwaccels[i].name; i++)
743 av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name);
744 av_log(NULL, AV_LOG_FATAL, "\n");
750 MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
751 if (hwaccel_device) {
752 ist->hwaccel_device = av_strdup(hwaccel_device);
753 if (!ist->hwaccel_device)
756 ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
759 case AVMEDIA_TYPE_AUDIO:
760 ist->guess_layout_max = INT_MAX;
761 MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
762 guess_input_channel_layout(ist);
764 ist->resample_sample_fmt = ist->dec_ctx->sample_fmt;
765 ist->resample_sample_rate = ist->dec_ctx->sample_rate;
766 ist->resample_channels = ist->dec_ctx->channels;
767 ist->resample_channel_layout = ist->dec_ctx->channel_layout;
770 case AVMEDIA_TYPE_DATA:
771 case AVMEDIA_TYPE_SUBTITLE: {
772 char *canvas_size = NULL;
774 ist->dec = avcodec_find_decoder(dec->codec_id);
775 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
776 MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
778 av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
779 av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
784 case AVMEDIA_TYPE_ATTACHMENT:
785 case AVMEDIA_TYPE_UNKNOWN:
793 static void assert_file_overwrite(const char *filename)
795 if (file_overwrite && no_file_overwrite) {
796 fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
800 if (!file_overwrite) {
801 const char *proto_name = avio_find_protocol_name(filename);
802 if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
803 if (stdin_interaction && !no_file_overwrite) {
804 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
807 signal(SIGINT, SIG_DFL);
809 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
815 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
822 static void dump_attachment(AVStream *st, const char *filename)
825 AVIOContext *out = NULL;
826 AVDictionaryEntry *e;
828 if (!st->codec->extradata_size) {
829 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
830 nb_input_files - 1, st->index);
833 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
836 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
837 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
841 assert_file_overwrite(filename);
843 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
844 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
849 avio_write(out, st->codec->extradata, st->codec->extradata_size);
854 static int open_input_file(OptionsContext *o, const char *filename)
858 AVInputFormat *file_iformat = NULL;
862 AVDictionary *unused_opts = NULL;
863 AVDictionaryEntry *e = NULL;
864 int orig_nb_streams; // number of streams before avformat_find_stream_info
865 char * video_codec_name = NULL;
866 char * audio_codec_name = NULL;
867 char *subtitle_codec_name = NULL;
868 char * data_codec_name = NULL;
869 int scan_all_pmts_set = 0;
872 if (!(file_iformat = av_find_input_format(o->format))) {
873 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
878 if (!strcmp(filename, "-"))
881 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
882 strcmp(filename, "/dev/stdin");
884 /* get default parameters from command line */
885 ic = avformat_alloc_context();
887 print_error(filename, AVERROR(ENOMEM));
890 if (o->nb_audio_sample_rate) {
891 av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
893 if (o->nb_audio_channels) {
894 /* because we set audio_channels based on both the "ac" and
895 * "channel_layout" options, we need to check that the specified
896 * demuxer actually has the "channels" option before setting it */
897 if (file_iformat && file_iformat->priv_class &&
898 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
899 AV_OPT_SEARCH_FAKE_OBJ)) {
900 av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
903 if (o->nb_frame_rates) {
904 /* set the format-level framerate option;
905 * this is important for video grabbers, e.g. x11 */
906 if (file_iformat && file_iformat->priv_class &&
907 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
908 AV_OPT_SEARCH_FAKE_OBJ)) {
909 av_dict_set(&o->g->format_opts, "framerate",
910 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
913 if (o->nb_frame_sizes) {
914 av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
916 if (o->nb_frame_pix_fmts)
917 av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
919 MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
920 MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
921 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
922 MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
924 ic->video_codec_id = video_codec_name ?
925 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
926 ic->audio_codec_id = audio_codec_name ?
927 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
928 ic->subtitle_codec_id= subtitle_codec_name ?
929 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
930 ic->data_codec_id = data_codec_name ?
931 find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0)->id : AV_CODEC_ID_NONE;
933 if (video_codec_name)
934 av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0));
935 if (audio_codec_name)
936 av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0));
937 if (subtitle_codec_name)
938 av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0));
940 av_format_set_data_codec(ic, find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0));
942 ic->flags |= AVFMT_FLAG_NONBLOCK;
943 ic->interrupt_callback = int_cb;
945 if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
946 av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
947 scan_all_pmts_set = 1;
949 /* open the input file with generic avformat function */
950 err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
952 print_error(filename, err);
955 if (scan_all_pmts_set)
956 av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
957 remove_avoptions(&o->g->format_opts, o->g->codec_opts);
958 assert_avoptions(o->g->format_opts);
960 /* apply forced codec ids */
961 for (i = 0; i < ic->nb_streams; i++)
962 choose_decoder(o, ic, ic->streams[i]);
964 /* Set AVCodecContext options for avformat_find_stream_info */
965 opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
966 orig_nb_streams = ic->nb_streams;
968 /* If not enough info to get the stream parameters, we decode the
969 first frames to get it. (used in mpeg case for example) */
970 ret = avformat_find_stream_info(ic, opts);
972 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
973 if (ic->nb_streams == 0) {
974 avformat_close_input(&ic);
979 if (o->start_time_eof != AV_NOPTS_VALUE) {
980 if (ic->duration>0) {
981 o->start_time = o->start_time_eof + ic->duration;
983 av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
985 timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
986 /* add the stream start time */
987 if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
988 timestamp += ic->start_time;
990 /* if seeking requested, we execute it */
991 if (o->start_time != AV_NOPTS_VALUE) {
992 int64_t seek_timestamp = timestamp;
994 if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
995 int dts_heuristic = 0;
996 for (i=0; i<ic->nb_streams; i++) {
997 AVCodecContext *avctx = ic->streams[i]->codec;
998 if (avctx->has_b_frames)
1001 if (dts_heuristic) {
1002 seek_timestamp -= 3*AV_TIME_BASE / 23;
1005 ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
1007 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
1008 filename, (double)timestamp / AV_TIME_BASE);
1012 /* update the current parameters so that they match the one of the input stream */
1013 add_input_streams(o, ic);
1015 /* dump the file content */
1016 av_dump_format(ic, nb_input_files, filename, 0);
1018 GROW_ARRAY(input_files, nb_input_files);
1019 f = av_mallocz(sizeof(*f));
1022 input_files[nb_input_files - 1] = f;
1025 f->ist_index = nb_input_streams - ic->nb_streams;
1026 f->start_time = o->start_time;
1027 f->recording_time = o->recording_time;
1028 f->input_ts_offset = o->input_ts_offset;
1029 f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
1030 f->nb_streams = ic->nb_streams;
1031 f->rate_emu = o->rate_emu;
1032 f->accurate_seek = o->accurate_seek;
1035 f->time_base = (AVRational){ 1, 1 };
1037 f->thread_queue_size = o->thread_queue_size > 0 ? o->thread_queue_size : 8;
1040 /* check if all codec options have been used */
1041 unused_opts = strip_specifiers(o->g->codec_opts);
1042 for (i = f->ist_index; i < nb_input_streams; i++) {
1044 while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
1045 AV_DICT_IGNORE_SUFFIX)))
1046 av_dict_set(&unused_opts, e->key, NULL, 0);
1050 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
1051 const AVClass *class = avcodec_get_class();
1052 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
1053 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1054 const AVClass *fclass = avformat_get_class();
1055 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
1056 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1057 if (!option || foption)
1061 if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
1062 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
1063 "input file #%d (%s) is not a decoding option.\n", e->key,
1064 option->help ? option->help : "", nb_input_files - 1,
1069 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
1070 "input file #%d (%s) has not been used for any stream. The most "
1071 "likely reason is either wrong type (e.g. a video option with "
1072 "no video streams) or that it is a private option of some decoder "
1073 "which was not actually used for any stream.\n", e->key,
1074 option->help ? option->help : "", nb_input_files - 1, filename);
1076 av_dict_free(&unused_opts);
1078 for (i = 0; i < o->nb_dump_attachment; i++) {
1081 for (j = 0; j < ic->nb_streams; j++) {
1082 AVStream *st = ic->streams[j];
1084 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
1085 dump_attachment(st, o->dump_attachment[i].u.str);
1089 for (i = 0; i < orig_nb_streams; i++)
1090 av_dict_free(&opts[i]);
1093 input_stream_potentially_available = 1;
1098 static uint8_t *get_line(AVIOContext *s)
1104 if (avio_open_dyn_buf(&line) < 0) {
1105 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
1109 while ((c = avio_r8(s)) && c != '\n')
1112 avio_close_dyn_buf(line, &buf);
1117 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
1120 char filename[1000];
1121 const char *base[3] = { getenv("AVCONV_DATADIR"),
1126 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
1130 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
1131 i != 1 ? "" : "/.avconv", codec_name, preset_name);
1132 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1135 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
1136 i != 1 ? "" : "/.avconv", preset_name);
1137 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1143 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
1145 char *codec_name = NULL;
1147 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
1149 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
1150 NULL, ost->st->codec->codec_type);
1151 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1152 } else if (!strcmp(codec_name, "copy"))
1153 ost->stream_copy = 1;
1155 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
1156 ost->st->codec->codec_id = ost->enc->id;
1160 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
1163 AVStream *st = avformat_new_stream(oc, NULL);
1164 int idx = oc->nb_streams - 1, ret = 0;
1165 char *bsf = NULL, *next, *codec_tag = NULL;
1166 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
1171 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
1175 if (oc->nb_streams - 1 < o->nb_streamid_map)
1176 st->id = o->streamid_map[oc->nb_streams - 1];
1178 GROW_ARRAY(output_streams, nb_output_streams);
1179 if (!(ost = av_mallocz(sizeof(*ost))))
1181 output_streams[nb_output_streams - 1] = ost;
1183 ost->file_index = nb_output_files - 1;
1186 st->codec->codec_type = type;
1187 choose_encoder(o, oc, ost);
1189 ost->enc_ctx = avcodec_alloc_context3(ost->enc);
1190 if (!ost->enc_ctx) {
1191 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
1194 ost->enc_ctx->codec_type = type;
1197 AVIOContext *s = NULL;
1198 char *buf = NULL, *arg = NULL, *preset = NULL;
1200 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
1202 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
1203 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
1206 if (!buf[0] || buf[0] == '#') {
1210 if (!(arg = strchr(buf, '='))) {
1211 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
1215 av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
1217 } while (!s->eof_reached);
1221 av_log(NULL, AV_LOG_FATAL,
1222 "Preset %s specified for stream %d:%d, but could not be opened.\n",
1223 preset, ost->file_index, ost->index);
1227 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
1230 ost->max_frames = INT64_MAX;
1231 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
1232 for (i = 0; i<o->nb_max_frames; i++) {
1233 char *p = o->max_frames[i].specifier;
1234 if (!*p && type != AVMEDIA_TYPE_VIDEO) {
1235 av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
1240 ost->copy_prior_start = -1;
1241 MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
1243 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
1246 if (next = strchr(bsf, ','))
1248 if (arg = strchr(bsf, '='))
1250 if (!(bsfc = av_bitstream_filter_init(bsf))) {
1251 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
1255 bsfc_prev->next = bsfc;
1257 ost->bitstream_filters = bsfc;
1258 av_dict_set(&ost->bsf_args, bsfc->filter->name, arg, 0);
1264 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
1266 uint32_t tag = strtol(codec_tag, &next, 0);
1268 tag = AV_RL32(codec_tag);
1269 ost->st->codec->codec_tag =
1270 ost->enc_ctx->codec_tag = tag;
1273 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
1275 ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
1276 ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
1279 MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
1280 ost->disposition = av_strdup(ost->disposition);
1282 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
1283 ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
1285 av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
1287 av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
1288 if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
1289 av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
1291 av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
1293 ost->source_index = source_index;
1294 if (source_index >= 0) {
1295 ost->sync_ist = input_streams[source_index];
1296 input_streams[source_index]->discard = 0;
1297 input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
1299 ost->last_mux_dts = AV_NOPTS_VALUE;
1304 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1307 const char *p = str;
1314 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1321 /* read file contents into a string */
1322 static uint8_t *read_file(const char *filename)
1324 AVIOContext *pb = NULL;
1325 AVIOContext *dyn_buf = NULL;
1326 int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
1327 uint8_t buf[1024], *str;
1330 av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
1334 ret = avio_open_dyn_buf(&dyn_buf);
1339 while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
1340 avio_write(dyn_buf, buf, ret);
1341 avio_w8(dyn_buf, 0);
1344 ret = avio_close_dyn_buf(dyn_buf, &str);
1350 static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
1353 AVStream *st = ost->st;
1355 if (ost->filters_script && ost->filters) {
1356 av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
1357 "output stream #%d:%d.\n", nb_output_files, st->index);
1361 if (ost->filters_script)
1362 return read_file(ost->filters_script);
1363 else if (ost->filters)
1364 return av_strdup(ost->filters);
1366 return av_strdup(st->codec->codec_type == AVMEDIA_TYPE_VIDEO ?
1370 static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
1371 const OutputStream *ost, enum AVMediaType type)
1373 if (ost->filters_script || ost->filters) {
1374 av_log(NULL, AV_LOG_ERROR,
1375 "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
1376 "Filtering and streamcopy cannot be used together.\n",
1377 ost->filters ? "Filtergraph" : "Filtergraph script",
1378 ost->filters ? ost->filters : ost->filters_script,
1379 av_get_media_type_string(type), ost->file_index, ost->index);
1384 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1388 AVCodecContext *video_enc;
1389 char *frame_rate = NULL, *frame_aspect_ratio = NULL;
1391 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1393 video_enc = ost->enc_ctx;
1395 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1396 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1397 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1400 if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
1401 av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
1403 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1404 if (frame_aspect_ratio) {
1406 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1407 q.num <= 0 || q.den <= 0) {
1408 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1411 ost->frame_aspect_ratio = q;
1414 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1415 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1417 if (!ost->stream_copy) {
1418 const char *p = NULL;
1419 char *frame_size = NULL;
1420 char *frame_pix_fmt = NULL;
1421 char *intra_matrix = NULL, *inter_matrix = NULL;
1422 char *chroma_intra_matrix = NULL;
1426 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1427 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1428 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1432 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1433 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1434 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1435 ost->keep_pix_fmt = 1;
1436 if (!*++frame_pix_fmt)
1437 frame_pix_fmt = NULL;
1439 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1440 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1443 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1446 video_enc->gop_size = 0;
1447 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1449 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1450 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1453 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1455 MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
1456 if (chroma_intra_matrix) {
1457 uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
1459 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1462 av_codec_set_chroma_intra_matrix(video_enc, p);
1463 parse_matrix_coeffs(p, chroma_intra_matrix);
1465 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1467 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1468 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1471 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1474 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1475 for (i = 0; p; i++) {
1477 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1479 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1482 video_enc->rc_override =
1483 av_realloc_array(video_enc->rc_override,
1484 i + 1, sizeof(RcOverride));
1485 if (!video_enc->rc_override) {
1486 av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
1489 video_enc->rc_override[i].start_frame = start;
1490 video_enc->rc_override[i].end_frame = end;
1492 video_enc->rc_override[i].qscale = q;
1493 video_enc->rc_override[i].quality_factor = 1.0;
1496 video_enc->rc_override[i].qscale = 0;
1497 video_enc->rc_override[i].quality_factor = -q/100.0;
1502 video_enc->rc_override_count = i;
1505 video_enc->flags|= AV_CODEC_FLAG_PSNR;
1508 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1511 video_enc->flags |= AV_CODEC_FLAG_PASS1;
1512 av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
1515 video_enc->flags |= AV_CODEC_FLAG_PASS2;
1516 av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
1520 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1521 if (ost->logfile_prefix &&
1522 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1526 char logfilename[1024];
1529 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1530 ost->logfile_prefix ? ost->logfile_prefix :
1531 DEFAULT_PASS_LOGFILENAME_PREFIX,
1533 if (!strcmp(ost->enc->name, "libx264")) {
1534 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1536 if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
1537 char *logbuffer = read_file(logfilename);
1540 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1544 video_enc->stats_in = logbuffer;
1546 if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
1547 f = av_fopen_utf8(logfilename, "wb");
1549 av_log(NULL, AV_LOG_FATAL,
1550 "Cannot write log file '%s' for pass-1 encoding: %s\n",
1551 logfilename, strerror(errno));
1559 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1560 if (ost->forced_keyframes)
1561 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1563 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1565 ost->top_field_first = -1;
1566 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1569 ost->avfilter = get_ost_filters(o, oc, ost);
1573 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1576 if (ost->stream_copy)
1577 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
1582 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1587 AVCodecContext *audio_enc;
1589 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1592 audio_enc = ost->enc_ctx;
1593 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1595 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1596 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1598 if (!ost->stream_copy) {
1599 char *sample_fmt = NULL;
1601 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1603 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1605 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1606 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1610 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1612 MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
1613 ost->apad = av_strdup(ost->apad);
1615 ost->avfilter = get_ost_filters(o, oc, ost);
1619 /* check for channel mapping for this audio stream */
1620 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1621 AudioChannelMap *map = &o->audio_channel_maps[n];
1622 if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1623 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1626 if (map->channel_idx == -1) {
1628 } else if (ost->source_index < 0) {
1629 av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
1630 ost->file_index, ost->st->index);
1633 ist = input_streams[ost->source_index];
1636 if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
1637 if (av_reallocp_array(&ost->audio_channels_map,
1638 ost->audio_channels_mapped + 1,
1639 sizeof(*ost->audio_channels_map)
1643 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1649 if (ost->stream_copy)
1650 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
1655 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1659 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1660 if (!ost->stream_copy) {
1661 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1668 static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1672 ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
1673 if (!ost->stream_copy) {
1674 av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
1681 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1683 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1684 ost->stream_copy = 1;
1689 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1693 AVCodecContext *subtitle_enc;
1695 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1697 subtitle_enc = ost->enc_ctx;
1699 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1701 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1703 if (!ost->stream_copy) {
1704 char *frame_size = NULL;
1706 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1707 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1708 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1716 /* arg format is "output-stream-index:streamid-value". */
1717 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1719 OptionsContext *o = optctx;
1724 av_strlcpy(idx_str, arg, sizeof(idx_str));
1725 p = strchr(idx_str, ':');
1727 av_log(NULL, AV_LOG_FATAL,
1728 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1733 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1734 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1735 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1739 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1741 AVFormatContext *is = ifile->ctx;
1742 AVFormatContext *os = ofile->ctx;
1746 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1748 return AVERROR(ENOMEM);
1751 for (i = 0; i < is->nb_chapters; i++) {
1752 AVChapter *in_ch = is->chapters[i], *out_ch;
1753 int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
1754 int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
1755 AV_TIME_BASE_Q, in_ch->time_base);
1756 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1757 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1760 if (in_ch->end < ts_off)
1762 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1765 out_ch = av_mallocz(sizeof(AVChapter));
1767 return AVERROR(ENOMEM);
1769 out_ch->id = in_ch->id;
1770 out_ch->time_base = in_ch->time_base;
1771 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1772 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1775 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1777 os->chapters[os->nb_chapters++] = out_ch;
1782 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1785 AVFormatContext *ic = avformat_alloc_context();
1787 ic->interrupt_callback = int_cb;
1788 err = avformat_open_input(&ic, filename, NULL, NULL);
1791 /* copy stream format */
1792 for(i=0;i<ic->nb_streams;i++) {
1796 const char *enc_config;
1798 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
1800 av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codec->codec_id);
1801 return AVERROR(EINVAL);
1803 if (codec->type == AVMEDIA_TYPE_AUDIO)
1804 opt_audio_codec(o, "c:a", codec->name);
1805 else if (codec->type == AVMEDIA_TYPE_VIDEO)
1806 opt_video_codec(o, "c:v", codec->name);
1807 ost = new_output_stream(o, s, codec->type, -1);
1810 avcodec_get_context_defaults3(st->codec, codec);
1811 enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
1813 AVDictionary *opts = NULL;
1814 av_dict_parse_string(&opts, enc_config, "=", ",", 0);
1815 av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
1816 av_dict_free(&opts);
1819 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1820 choose_sample_fmt(st, codec);
1821 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1822 choose_pixel_fmt(st, st->codec, codec, st->codec->pix_fmt);
1823 avcodec_copy_context(ost->enc_ctx, st->codec);
1825 av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
1828 avformat_close_input(&ic);
1832 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1833 AVFormatContext *oc)
1837 switch (ofilter->type) {
1838 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1839 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1841 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1846 ost->source_index = -1;
1847 ost->filter = ofilter;
1851 if (ost->stream_copy) {
1852 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1853 "which is fed from a complex filtergraph. Filtering and streamcopy "
1854 "cannot be used together.\n", ost->file_index, ost->index);
1858 if (ost->avfilter && (ost->filters || ost->filters_script)) {
1859 const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
1860 av_log(NULL, AV_LOG_ERROR,
1861 "%s '%s' was specified through the %s option "
1862 "for output stream %d:%d, which is fed from a complex filtergraph.\n"
1863 "%s and -filter_complex cannot be used together for the same stream.\n",
1864 ost->filters ? "Filtergraph" : "Filtergraph script",
1865 ost->filters ? ost->filters : ost->filters_script,
1866 opt, ost->file_index, ost->index, opt);
1870 avfilter_inout_free(&ofilter->out_tmp);
1873 static int init_complex_filters(void)
1877 for (i = 0; i < nb_filtergraphs; i++) {
1878 ret = init_complex_filtergraph(filtergraphs[i]);
1885 static int configure_complex_filters(void)
1889 for (i = 0; i < nb_filtergraphs; i++)
1890 if (!filtergraphs[i]->graph &&
1891 (ret = configure_filtergraph(filtergraphs[i])) < 0)
1896 static int open_output_file(OptionsContext *o, const char *filename)
1898 AVFormatContext *oc;
1900 AVOutputFormat *file_oformat;
1904 AVDictionary *unused_opts = NULL;
1905 AVDictionaryEntry *e = NULL;
1908 if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
1909 o->stop_time = INT64_MAX;
1910 av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
1913 if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
1914 int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
1915 if (o->stop_time <= start_time) {
1916 av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
1919 o->recording_time = o->stop_time - start_time;
1923 GROW_ARRAY(output_files, nb_output_files);
1924 of = av_mallocz(sizeof(*of));
1927 output_files[nb_output_files - 1] = of;
1929 of->ost_index = nb_output_streams;
1930 of->recording_time = o->recording_time;
1931 of->start_time = o->start_time;
1932 of->limit_filesize = o->limit_filesize;
1933 of->shortest = o->shortest;
1934 av_dict_copy(&of->opts, o->g->format_opts, 0);
1936 if (!strcmp(filename, "-"))
1939 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
1941 print_error(filename, err);
1946 if (o->recording_time != INT64_MAX)
1947 oc->duration = o->recording_time;
1949 file_oformat= oc->oformat;
1950 oc->interrupt_callback = int_cb;
1952 /* create streams for all unlabeled output pads */
1953 for (i = 0; i < nb_filtergraphs; i++) {
1954 FilterGraph *fg = filtergraphs[i];
1955 for (j = 0; j < fg->nb_outputs; j++) {
1956 OutputFilter *ofilter = fg->outputs[j];
1958 if (!ofilter->out_tmp || ofilter->out_tmp->name)
1961 switch (ofilter->type) {
1962 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
1963 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
1964 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
1966 init_output_filter(ofilter, o, oc);
1970 /* ffserver seeking with date=... needs a date reference */
1971 if (!strcmp(file_oformat->name, "ffm") &&
1972 av_strstart(filename, "http:", NULL)) {
1973 int err = parse_option(o, "metadata", "creation_time=now", options);
1975 print_error(filename, err);
1980 if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
1981 av_strstart(filename, "http:", NULL)) {
1983 /* special case for files sent to ffserver: we get the stream
1984 parameters from ffserver */
1985 int err = read_ffserver_streams(o, oc, filename);
1987 print_error(filename, err);
1990 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
1991 ost = output_streams[j];
1992 for (i = 0; i < nb_input_streams; i++) {
1993 ist = input_streams[i];
1994 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
1996 ost->source_index= i;
1997 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
1998 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
2000 ist->st->discard = ist->user_set_discard;
2005 av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
2009 } else if (!o->nb_stream_maps) {
2010 char *subtitle_codec_name = NULL;
2011 /* pick the "best" stream of each type */
2013 /* video: highest resolution */
2014 if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
2015 int area = 0, idx = -1;
2016 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
2017 for (i = 0; i < nb_input_streams; i++) {
2019 ist = input_streams[i];
2020 new_area = ist->st->codec->width * ist->st->codec->height + 100000000*!!ist->st->codec_info_nb_frames;
2021 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2023 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
2025 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2032 new_video_stream(o, oc, idx);
2035 /* audio: most channels */
2036 if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
2037 int best_score = 0, idx = -1;
2038 for (i = 0; i < nb_input_streams; i++) {
2040 ist = input_streams[i];
2041 score = ist->st->codec->channels + 100000000*!!ist->st->codec_info_nb_frames;
2042 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
2043 score > best_score) {
2049 new_audio_stream(o, oc, idx);
2052 /* subtitles: pick first */
2053 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
2054 if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
2055 for (i = 0; i < nb_input_streams; i++)
2056 if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2057 AVCodecDescriptor const *input_descriptor =
2058 avcodec_descriptor_get(input_streams[i]->st->codec->codec_id);
2059 AVCodecDescriptor const *output_descriptor = NULL;
2060 AVCodec const *output_codec =
2061 avcodec_find_encoder(oc->oformat->subtitle_codec);
2062 int input_props = 0, output_props = 0;
2064 output_descriptor = avcodec_descriptor_get(output_codec->id);
2065 if (input_descriptor)
2066 input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2067 if (output_descriptor)
2068 output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2069 if (subtitle_codec_name ||
2070 input_props & output_props ||
2071 // Map dvb teletext which has neither property to any output subtitle encoder
2072 input_descriptor && output_descriptor &&
2073 (!input_descriptor->props ||
2074 !output_descriptor->props)) {
2075 new_subtitle_stream(o, oc, i);
2080 /* Data only if codec id match */
2081 if (!o->data_disable ) {
2082 enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
2083 for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
2084 if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_DATA
2085 && input_streams[i]->st->codec->codec_id == codec_id )
2086 new_data_stream(o, oc, i);
2090 for (i = 0; i < o->nb_stream_maps; i++) {
2091 StreamMap *map = &o->stream_maps[i];
2096 if (map->linklabel) {
2098 OutputFilter *ofilter = NULL;
2101 for (j = 0; j < nb_filtergraphs; j++) {
2102 fg = filtergraphs[j];
2103 for (k = 0; k < fg->nb_outputs; k++) {
2104 AVFilterInOut *out = fg->outputs[k]->out_tmp;
2105 if (out && !strcmp(out->name, map->linklabel)) {
2106 ofilter = fg->outputs[k];
2113 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
2114 "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
2117 init_output_filter(ofilter, o, oc);
2119 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
2121 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
2122 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
2124 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
2126 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2128 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
2132 switch (ist->st->codec->codec_type) {
2133 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
2134 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
2135 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
2136 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
2137 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
2138 case AVMEDIA_TYPE_UNKNOWN:
2139 if (copy_unknown_streams) {
2140 ost = new_unknown_stream (o, oc, src_idx);
2144 av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
2145 "Cannot map stream #%d:%d - unsupported type.\n",
2146 map->file_index, map->stream_index);
2147 if (!ignore_unknown_streams) {
2148 av_log(NULL, AV_LOG_FATAL,
2149 "If you want unsupported types ignored instead "
2150 "of failing, please use the -ignore_unknown option\n"
2151 "If you want them copied, please use -copy_unknown\n");
2156 ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
2157 + map->sync_stream_index];
2162 /* handle attached files */
2163 for (i = 0; i < o->nb_attachments; i++) {
2165 uint8_t *attachment;
2169 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
2170 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
2174 if ((len = avio_size(pb)) <= 0) {
2175 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
2179 if (!(attachment = av_malloc(len))) {
2180 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
2184 avio_read(pb, attachment, len);
2186 ost = new_attachment_stream(o, oc, -1);
2187 ost->stream_copy = 1;
2188 ost->attachment_filename = o->attachments[i];
2190 ost->st->codec->extradata = attachment;
2191 ost->st->codec->extradata_size = len;
2193 p = strrchr(o->attachments[i], '/');
2194 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
2198 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
2199 AVDictionaryEntry *e;
2200 ost = output_streams[i];
2202 if ((ost->stream_copy || ost->attachment_filename)
2203 && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
2204 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
2205 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
2209 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2210 av_dump_format(oc, nb_output_files - 1, oc->filename, 1);
2211 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
2215 /* check if all codec options have been used */
2216 unused_opts = strip_specifiers(o->g->codec_opts);
2217 for (i = of->ost_index; i < nb_output_streams; i++) {
2219 while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
2220 AV_DICT_IGNORE_SUFFIX)))
2221 av_dict_set(&unused_opts, e->key, NULL, 0);
2225 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
2226 const AVClass *class = avcodec_get_class();
2227 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
2228 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2229 const AVClass *fclass = avformat_get_class();
2230 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
2231 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2232 if (!option || foption)
2236 if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
2237 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
2238 "output file #%d (%s) is not an encoding option.\n", e->key,
2239 option->help ? option->help : "", nb_output_files - 1,
2244 // gop_timecode is injected by generic code but not always used
2245 if (!strcmp(e->key, "gop_timecode"))
2248 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
2249 "output file #%d (%s) has not been used for any stream. The most "
2250 "likely reason is either wrong type (e.g. a video option with "
2251 "no video streams) or that it is a private option of some encoder "
2252 "which was not actually used for any stream.\n", e->key,
2253 option->help ? option->help : "", nb_output_files - 1, filename);
2255 av_dict_free(&unused_opts);
2257 /* set the encoding/decoding_needed flags */
2258 for (i = of->ost_index; i < nb_output_streams; i++) {
2259 OutputStream *ost = output_streams[i];
2261 ost->encoding_needed = !ost->stream_copy;
2262 if (ost->encoding_needed && ost->source_index >= 0) {
2263 InputStream *ist = input_streams[ost->source_index];
2264 ist->decoding_needed |= DECODING_FOR_OST;
2268 /* check filename in case of an image number is expected */
2269 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2270 if (!av_filename_number_test(oc->filename)) {
2271 print_error(oc->filename, AVERROR(EINVAL));
2276 if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
2277 av_log(NULL, AV_LOG_ERROR,
2278 "No input streams but output needs an input stream\n");
2282 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2283 /* test if it already exists to avoid losing precious files */
2284 assert_file_overwrite(filename);
2287 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
2288 &oc->interrupt_callback,
2290 print_error(filename, err);
2293 } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
2294 assert_file_overwrite(filename);
2296 if (o->mux_preload) {
2297 av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
2299 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
2302 for (i = 0; i < o->nb_metadata_map; i++) {
2304 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
2306 if (in_file_index >= nb_input_files) {
2307 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
2310 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
2311 in_file_index >= 0 ?
2312 input_files[in_file_index]->ctx : NULL, o);
2316 if (o->chapters_input_file >= nb_input_files) {
2317 if (o->chapters_input_file == INT_MAX) {
2318 /* copy chapters from the first input file that has them*/
2319 o->chapters_input_file = -1;
2320 for (i = 0; i < nb_input_files; i++)
2321 if (input_files[i]->ctx->nb_chapters) {
2322 o->chapters_input_file = i;
2326 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
2327 o->chapters_input_file);
2331 if (o->chapters_input_file >= 0)
2332 copy_chapters(input_files[o->chapters_input_file], of,
2333 !o->metadata_chapters_manual);
2335 /* copy global metadata by default */
2336 if (!o->metadata_global_manual && nb_input_files){
2337 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
2338 AV_DICT_DONT_OVERWRITE);
2339 if(o->recording_time != INT64_MAX)
2340 av_dict_set(&oc->metadata, "duration", NULL, 0);
2341 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
2343 if (!o->metadata_streams_manual)
2344 for (i = of->ost_index; i < nb_output_streams; i++) {
2346 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
2348 ist = input_streams[output_streams[i]->source_index];
2349 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
2350 if (!output_streams[i]->stream_copy) {
2351 av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
2352 if (ist->autorotate)
2353 av_dict_set(&output_streams[i]->st->metadata, "rotate", NULL, 0);
2357 /* process manually set metadata */
2358 for (i = 0; i < o->nb_metadata; i++) {
2361 const char *stream_spec;
2362 int index = 0, j, ret = 0;
2365 val = strchr(o->metadata[i].u.str, '=');
2367 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
2368 o->metadata[i].u.str);
2373 if (!strcmp(o->metadata[i].u.str, "creation_time") &&
2374 !strcmp(val, "now")) {
2375 time_t now = time(0);
2376 struct tm *ptm, tmbuf;
2377 ptm = localtime_r(&now, &tmbuf);
2379 if (strftime(now_time, sizeof(now_time), "%Y-%m-%d %H:%M:%S", ptm))
2384 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
2386 for (j = 0; j < oc->nb_streams; j++) {
2387 ost = output_streams[nb_output_streams - oc->nb_streams + j];
2388 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
2389 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
2390 if (!strcmp(o->metadata[i].u.str, "rotate")) {
2391 ost->rotate_overridden = 1;
2403 if (index < 0 || index >= oc->nb_chapters) {
2404 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
2407 m = &oc->chapters[index]->metadata;
2410 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
2413 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
2420 static int opt_target(void *optctx, const char *opt, const char *arg)
2422 OptionsContext *o = optctx;
2423 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
2424 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
2426 if (!strncmp(arg, "pal-", 4)) {
2429 } else if (!strncmp(arg, "ntsc-", 5)) {
2432 } else if (!strncmp(arg, "film-", 5)) {
2436 /* Try to determine PAL/NTSC by peeking in the input files */
2437 if (nb_input_files) {
2439 for (j = 0; j < nb_input_files; j++) {
2440 for (i = 0; i < input_files[j]->nb_streams; i++) {
2441 AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
2442 if (c->codec_type != AVMEDIA_TYPE_VIDEO ||
2445 fr = c->time_base.den * 1000 / c->time_base.num;
2449 } else if ((fr == 29970) || (fr == 23976)) {
2454 if (norm != UNKNOWN)
2458 if (norm != UNKNOWN)
2459 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
2462 if (norm == UNKNOWN) {
2463 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
2464 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
2465 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
2469 if (!strcmp(arg, "vcd")) {
2470 opt_video_codec(o, "c:v", "mpeg1video");
2471 opt_audio_codec(o, "c:a", "mp2");
2472 parse_option(o, "f", "vcd", options);
2474 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
2475 parse_option(o, "r", frame_rates[norm], options);
2476 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2478 opt_default(NULL, "b:v", "1150000");
2479 opt_default(NULL, "maxrate:v", "1150000");
2480 opt_default(NULL, "minrate:v", "1150000");
2481 opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
2483 opt_default(NULL, "b:a", "224000");
2484 parse_option(o, "ar", "44100", options);
2485 parse_option(o, "ac", "2", options);
2487 opt_default(NULL, "packetsize", "2324");
2488 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
2490 /* We have to offset the PTS, so that it is consistent with the SCR.
2491 SCR starts at 36000, but the first two packs contain only padding
2492 and the first pack from the other stream, respectively, may also have
2493 been written before.
2494 So the real data starts at SCR 36000+3*1200. */
2495 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
2496 } else if (!strcmp(arg, "svcd")) {
2498 opt_video_codec(o, "c:v", "mpeg2video");
2499 opt_audio_codec(o, "c:a", "mp2");
2500 parse_option(o, "f", "svcd", options);
2502 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
2503 parse_option(o, "r", frame_rates[norm], options);
2504 parse_option(o, "pix_fmt", "yuv420p", options);
2505 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2507 opt_default(NULL, "b:v", "2040000");
2508 opt_default(NULL, "maxrate:v", "2516000");
2509 opt_default(NULL, "minrate:v", "0"); // 1145000;
2510 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2511 opt_default(NULL, "scan_offset", "1");
2513 opt_default(NULL, "b:a", "224000");
2514 parse_option(o, "ar", "44100", options);
2516 opt_default(NULL, "packetsize", "2324");
2518 } else if (!strcmp(arg, "dvd")) {
2520 opt_video_codec(o, "c:v", "mpeg2video");
2521 opt_audio_codec(o, "c:a", "ac3");
2522 parse_option(o, "f", "dvd", options);
2524 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2525 parse_option(o, "r", frame_rates[norm], options);
2526 parse_option(o, "pix_fmt", "yuv420p", options);
2527 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2529 opt_default(NULL, "b:v", "6000000");
2530 opt_default(NULL, "maxrate:v", "9000000");
2531 opt_default(NULL, "minrate:v", "0"); // 1500000;
2532 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2534 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
2535 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
2537 opt_default(NULL, "b:a", "448000");
2538 parse_option(o, "ar", "48000", options);
2540 } else if (!strncmp(arg, "dv", 2)) {
2542 parse_option(o, "f", "dv", options);
2544 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2545 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
2546 norm == PAL ? "yuv420p" : "yuv411p", options);
2547 parse_option(o, "r", frame_rates[norm], options);
2549 parse_option(o, "ar", "48000", options);
2550 parse_option(o, "ac", "2", options);
2553 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
2554 return AVERROR(EINVAL);
2557 av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
2558 av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
2563 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
2565 av_free (vstats_filename);
2566 vstats_filename = av_strdup (arg);
2570 static int opt_vstats(void *optctx, const char *opt, const char *arg)
2573 time_t today2 = time(NULL);
2574 struct tm *today = localtime(&today2);
2576 if (!today) { // maybe tomorrow
2577 av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
2581 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
2583 return opt_vstats_file(NULL, opt, filename);
2586 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
2588 OptionsContext *o = optctx;
2589 return parse_option(o, "frames:v", arg, options);
2592 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
2594 OptionsContext *o = optctx;
2595 return parse_option(o, "frames:a", arg, options);
2598 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
2600 OptionsContext *o = optctx;
2601 return parse_option(o, "frames:d", arg, options);
2604 static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
2607 AVDictionary *cbak = codec_opts;
2608 AVDictionary *fbak = format_opts;
2612 ret = opt_default(NULL, opt, arg);
2614 av_dict_copy(&o->g->codec_opts , codec_opts, 0);
2615 av_dict_copy(&o->g->format_opts, format_opts, 0);
2616 av_dict_free(&codec_opts);
2617 av_dict_free(&format_opts);
2624 static int opt_preset(void *optctx, const char *opt, const char *arg)
2626 OptionsContext *o = optctx;
2628 char filename[1000], line[1000], tmp_line[1000];
2629 const char *codec_name = NULL;
2633 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
2635 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
2636 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
2637 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
2639 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
2643 while (fgets(line, sizeof(line), f)) {
2644 char *key = tmp_line, *value, *endptr;
2646 if (strcspn(line, "#\n\r") == 0)
2648 av_strlcpy(tmp_line, line, sizeof(tmp_line));
2649 if (!av_strtok(key, "=", &value) ||
2650 !av_strtok(value, "\r\n", &endptr)) {
2651 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
2654 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
2656 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
2657 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
2658 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
2659 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
2660 else if (opt_default_new(o, key, value) < 0) {
2661 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
2662 filename, line, key, value);
2672 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2674 OptionsContext *o = optctx;
2675 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2676 int ret = parse_option(o, s, arg, options);
2681 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2683 OptionsContext *o = optctx;
2685 if(!strcmp(opt, "ab")){
2686 av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
2688 } else if(!strcmp(opt, "b")){
2689 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2690 av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
2693 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2697 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2699 OptionsContext *o = optctx;
2702 if(!strcmp(opt, "qscale")){
2703 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2704 return parse_option(o, "q:v", arg, options);
2706 s = av_asprintf("q%s", opt + 6);
2707 ret = parse_option(o, s, arg, options);
2712 static int opt_profile(void *optctx, const char *opt, const char *arg)
2714 OptionsContext *o = optctx;
2715 if(!strcmp(opt, "profile")){
2716 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2717 av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
2720 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2724 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2726 OptionsContext *o = optctx;
2727 return parse_option(o, "filter:v", arg, options);
2730 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
2732 OptionsContext *o = optctx;
2733 return parse_option(o, "filter:a", arg, options);
2736 static int opt_vsync(void *optctx, const char *opt, const char *arg)
2738 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2739 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
2740 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
2741 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
2743 if (video_sync_method == VSYNC_AUTO)
2744 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
2748 static int opt_timecode(void *optctx, const char *opt, const char *arg)
2750 OptionsContext *o = optctx;
2751 char *tcr = av_asprintf("timecode=%s", arg);
2752 int ret = parse_option(o, "metadata:g", tcr, options);
2754 ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
2759 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
2761 OptionsContext *o = optctx;
2762 char layout_str[32];
2765 int ret, channels, ac_str_size;
2768 layout = av_get_channel_layout(arg);
2770 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
2771 return AVERROR(EINVAL);
2773 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
2774 ret = opt_default_new(o, opt, layout_str);
2778 /* set 'ac' option based on channel layout */
2779 channels = av_get_channel_layout_nb_channels(layout);
2780 snprintf(layout_str, sizeof(layout_str), "%d", channels);
2781 stream_str = strchr(opt, ':');
2782 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
2783 ac_str = av_mallocz(ac_str_size);
2785 return AVERROR(ENOMEM);
2786 av_strlcpy(ac_str, "ac", 3);
2788 av_strlcat(ac_str, stream_str, ac_str_size);
2789 ret = parse_option(o, ac_str, layout_str, options);
2795 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
2797 OptionsContext *o = optctx;
2798 return parse_option(o, "q:a", arg, options);
2801 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
2803 GROW_ARRAY(filtergraphs, nb_filtergraphs);
2804 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2805 return AVERROR(ENOMEM);
2806 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2807 filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
2808 if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
2809 return AVERROR(ENOMEM);
2811 input_stream_potentially_available = 1;
2816 static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
2818 uint8_t *graph_desc = read_file(arg);
2820 return AVERROR(EINVAL);
2822 GROW_ARRAY(filtergraphs, nb_filtergraphs);
2823 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2824 return AVERROR(ENOMEM);
2825 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2826 filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
2828 input_stream_potentially_available = 1;
2833 void show_help_default(const char *opt, const char *arg)
2835 /* per-file options have at least one of those set */
2836 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
2837 int show_advanced = 0, show_avoptions = 0;
2840 if (!strcmp(opt, "long"))
2842 else if (!strcmp(opt, "full"))
2843 show_advanced = show_avoptions = 1;
2845 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
2850 printf("Getting help:\n"
2851 " -h -- print basic options\n"
2852 " -h long -- print more options\n"
2853 " -h full -- print all options (including all format and codec specific options, very long)\n"
2854 " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter\n"
2855 " See man %s for detailed description of the options.\n"
2856 "\n", program_name);
2858 show_help_options(options, "Print help / information / capabilities:",
2861 show_help_options(options, "Global options (affect whole program "
2862 "instead of just one file:",
2863 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
2865 show_help_options(options, "Advanced global options:", OPT_EXPERT,
2866 per_file | OPT_EXIT, 0);
2868 show_help_options(options, "Per-file main options:", 0,
2869 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
2870 OPT_EXIT, per_file);
2872 show_help_options(options, "Advanced per-file options:",
2873 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
2875 show_help_options(options, "Video options:",
2876 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
2878 show_help_options(options, "Advanced Video options:",
2879 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
2881 show_help_options(options, "Audio options:",
2882 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
2884 show_help_options(options, "Advanced Audio options:",
2885 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
2886 show_help_options(options, "Subtitle options:",
2887 OPT_SUBTITLE, 0, 0);
2890 if (show_avoptions) {
2891 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
2892 show_help_children(avcodec_get_class(), flags);
2893 show_help_children(avformat_get_class(), flags);
2895 show_help_children(sws_get_class(), flags);
2897 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
2898 show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
2902 void show_usage(void)
2904 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
2905 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
2906 av_log(NULL, AV_LOG_INFO, "\n");
2914 static const OptionGroupDef groups[] = {
2915 [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT },
2916 [GROUP_INFILE] = { "input file", "i", OPT_INPUT },
2919 static int open_files(OptionGroupList *l, const char *inout,
2920 int (*open_file)(OptionsContext*, const char*))
2924 for (i = 0; i < l->nb_groups; i++) {
2925 OptionGroup *g = &l->groups[i];
2931 ret = parse_optgroup(&o, g);
2933 av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
2934 "%s.\n", inout, g->arg);
2938 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
2939 ret = open_file(&o, g->arg);
2942 av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
2946 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
2952 int ffmpeg_parse_options(int argc, char **argv)
2954 OptionParseContext octx;
2958 memset(&octx, 0, sizeof(octx));
2960 /* split the commandline into an internal representation */
2961 ret = split_commandline(&octx, argc, argv, options, groups,
2962 FF_ARRAY_ELEMS(groups));
2964 av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
2968 /* apply global options */
2969 ret = parse_optgroup(NULL, &octx.global_opts);
2971 av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
2975 /* open input files */
2976 ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
2978 av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
2982 /* create the complex filtergraphs */
2983 ret = init_complex_filters();
2985 av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
2989 /* open output files */
2990 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
2992 av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
2996 /* configure the complex filtergraphs */
2997 ret = configure_complex_filters();
2999 av_log(NULL, AV_LOG_FATAL, "Error configuring complex filters.\n");
3004 uninit_parse_context(&octx);
3006 av_strerror(ret, error, sizeof(error));
3007 av_log(NULL, AV_LOG_FATAL, "%s\n", error);
3012 static int opt_progress(void *optctx, const char *opt, const char *arg)
3014 AVIOContext *avio = NULL;
3017 if (!strcmp(arg, "-"))
3019 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
3021 av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
3022 arg, av_err2str(ret));
3025 progress_avio = avio;
3029 #define OFFSET(x) offsetof(OptionsContext, x)
3030 const OptionDef options[] = {
3032 #include "cmdutils_common_opts.h"
3033 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
3034 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
3035 "force format", "fmt" },
3036 { "y", OPT_BOOL, { &file_overwrite },
3037 "overwrite output files" },
3038 { "n", OPT_BOOL, { &no_file_overwrite },
3039 "never overwrite output files" },
3040 { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
3041 "Ignore unknown stream types" },
3042 { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
3043 "Copy unknown stream types" },
3044 { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
3045 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3046 "codec name", "codec" },
3047 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
3048 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3049 "codec name", "codec" },
3050 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
3051 OPT_OUTPUT, { .off = OFFSET(presets) },
3052 "preset name", "preset" },
3053 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3054 OPT_OUTPUT, { .func_arg = opt_map },
3055 "set input stream mapping",
3056 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
3057 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
3058 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
3059 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
3060 OPT_OUTPUT, { .off = OFFSET(metadata_map) },
3061 "set metadata information of outfile from infile",
3062 "outfile[,metadata]:infile[,metadata]" },
3063 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
3064 OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
3065 "set chapters mapping", "input_file_index" },
3066 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
3067 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
3068 "record or transcode \"duration\" seconds of audio/video",
3070 { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
3071 "record or transcode stop time", "time_stop" },
3072 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
3073 "set the limit file size in bytes", "limit_size" },
3074 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
3075 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
3076 "set the start time offset", "time_off" },
3077 { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
3078 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time_eof) },
3079 "set the start time offset relative to EOF", "time_off" },
3080 { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
3081 OPT_INPUT, { .off = OFFSET(seek_timestamp) },
3082 "enable/disable seeking by timestamp with -ss" },
3083 { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
3084 OPT_INPUT, { .off = OFFSET(accurate_seek) },
3085 "enable/disable accurate seeking with -ss" },
3086 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
3087 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
3088 "set the input ts offset", "time_off" },
3089 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
3090 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
3091 "set the input ts scale", "scale" },
3092 { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
3093 "set the recording timestamp ('now' to set the current time)", "time" },
3094 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
3095 "add metadata", "string=string" },
3096 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3097 OPT_OUTPUT, { .func_arg = opt_data_frames },
3098 "set the number of data frames to output", "number" },
3099 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
3100 "add timings for benchmarking" },
3101 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
3102 "add timings for each task" },
3103 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
3104 "write program-readable progress information", "url" },
3105 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
3106 "enable or disable interaction on standard input" },
3107 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
3108 "set max runtime in seconds", "limit" },
3109 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
3110 "dump each input packet" },
3111 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
3112 "when dumping packets, also dump the payload" },
3113 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3114 OPT_INPUT, { .off = OFFSET(rate_emu) },
3115 "read input at native frame rate", "" },
3116 { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
3117 "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
3118 "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
3119 { "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
3120 "video sync method", "" },
3121 { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
3122 "frame drop threshold", "" },
3123 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
3124 "audio sync method", "" },
3125 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
3126 "audio drift threshold", "threshold" },
3127 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
3128 "copy timestamps" },
3129 { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
3130 "shift input timestamps to start at 0 when using copyts" },
3131 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
3132 "copy input stream time base when stream copying", "mode" },
3133 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3134 OPT_OUTPUT, { .off = OFFSET(shortest) },
3135 "finish encoding within shortest input" },
3136 { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
3137 OPT_OUTPUT, { .off = OFFSET(apad) },
3139 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
3140 "timestamp discontinuity delta threshold", "threshold" },
3141 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
3142 "timestamp error delta threshold", "threshold" },
3143 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
3144 "exit on error", "error" },
3145 { "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
3146 "abort on the specified condition flags", "flags" },
3147 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3148 OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
3149 "copy initial non-keyframes" },
3150 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
3151 "copy or discard frames before start time" },
3152 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
3153 "set the number of frames to output", "number" },
3154 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
3155 OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
3156 "force codec tag/fourcc", "fourcc/tag" },
3157 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
3158 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
3159 "use fixed quality scale (VBR)", "q" },
3160 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3161 OPT_OUTPUT, { .func_arg = opt_qscale },
3162 "use fixed quality scale (VBR)", "q" },
3163 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
3164 "set profile", "profile" },
3165 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
3166 "set stream filtergraph", "filter_graph" },
3167 { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
3168 "read stream filtergraph description from a file", "filename" },
3169 { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
3170 "reinit filtergraph on input parameter changes", "" },
3171 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3172 "create a complex filtergraph", "graph_description" },
3173 { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3174 "create a complex filtergraph", "graph_description" },
3175 { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
3176 "read complex filtergraph description from a file", "filename" },
3177 { "stats", OPT_BOOL, { &print_stats },
3178 "print progress report during encoding", },
3179 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3180 OPT_OUTPUT, { .func_arg = opt_attach },
3181 "add an attachment to the output file", "filename" },
3182 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
3183 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
3184 "extract an attachment into a file", "filename" },
3185 { "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
3186 OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
3187 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
3188 "print timestamp debugging info" },
3189 { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
3190 "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
3191 { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
3192 OPT_INPUT, { .off = OFFSET(discard) },
3194 { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
3195 OPT_OUTPUT, { .off = OFFSET(disposition) },
3196 "disposition", "" },
3197 { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
3198 { .off = OFFSET(thread_queue_size) },
3199 "set the maximum number of queued packets from the demuxer" },
3202 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
3203 "set the number of video frames to output", "number" },
3204 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3205 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
3206 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3207 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
3208 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
3209 "set frame size (WxH or abbreviation)", "size" },
3210 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3211 OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
3212 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3213 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3214 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
3215 "set pixel format", "format" },
3216 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
3217 "set the number of bits per raw sample", "number" },
3218 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
3219 "deprecated use -g 1" },
3220 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
3222 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3223 OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
3224 "rate control override for specific intervals", "override" },
3225 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
3226 OPT_OUTPUT, { .func_arg = opt_video_codec },
3227 "force video codec ('copy' to copy stream)", "codec" },
3228 { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3230 { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3232 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
3233 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
3234 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
3235 "select the pass number (1 to 3)", "n" },
3236 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
3237 OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
3238 "select two pass log file name prefix", "prefix" },
3239 { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
3240 "this option is deprecated, use the yadif filter instead" },
3241 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
3242 "calculate PSNR of compressed frames" },
3243 { "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
3244 "dump video coding statistics to file" },
3245 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
3246 "dump video coding statistics to file", "file" },
3247 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
3248 "set video filters", "filter_graph" },
3249 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3250 OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
3251 "specify intra matrix coeffs", "matrix" },
3252 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3253 OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
3254 "specify inter matrix coeffs", "matrix" },
3255 { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3256 OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
3257 "specify intra matrix coeffs", "matrix" },
3258 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
3259 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
3260 "top=1/bottom=0/auto=-1 field first", "" },
3261 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3262 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
3263 "force video tag/fourcc", "fourcc/tag" },
3264 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
3265 "show QP histogram" },
3266 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3267 OPT_OUTPUT, { .off = OFFSET(force_fps) },
3268 "force the selected framerate, disable the best supported framerate selection" },
3269 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3270 OPT_OUTPUT, { .func_arg = opt_streamid },
3271 "set the value of an outfile streamid", "streamIndex:value" },
3272 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3273 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
3274 "force key frames at specified timestamps", "timestamps" },
3275 { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3276 "audio bitrate (please use -b:a)", "bitrate" },
3277 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3278 "video bitrate (please use -b:v)", "bitrate" },
3279 { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3280 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
3281 "use HW accelerated decoding", "hwaccel name" },
3282 { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3283 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
3284 "select a device for HW acceleration", "devicename" },
3286 { "vdpau_api_ver", HAS_ARG | OPT_INT | OPT_EXPERT, { &vdpau_api_ver }, "" },
3288 #if CONFIG_VDA || CONFIG_VIDEOTOOLBOX
3289 { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
3291 { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
3292 "show available HW acceleration methods" },
3293 { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
3294 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
3295 "automatically insert correct rotate filters" },
3298 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
3299 "set the number of audio frames to output", "number" },
3300 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
3301 "set audio quality (codec-specific)", "quality", },
3302 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3303 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
3304 "set audio sampling rate (in Hz)", "rate" },
3305 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3306 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
3307 "set number of audio channels", "channels" },
3308 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
3310 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
3311 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
3312 "force audio codec ('copy' to copy stream)", "codec" },
3313 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3314 OPT_OUTPUT, { .func_arg = opt_old2new },
3315 "force audio tag/fourcc", "fourcc/tag" },
3316 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
3317 "change audio volume (256=normal)" , "volume" },
3318 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
3319 OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
3320 "set sample format", "format" },
3321 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3322 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
3323 "set channel layout", "layout" },
3324 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
3325 "set audio filters", "filter_graph" },
3326 { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
3327 "set the maximum number of channels to try to guess the channel layout" },
3329 /* subtitle options */
3330 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
3331 "disable subtitle" },
3332 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
3333 "force subtitle codec ('copy' to copy stream)", "codec" },
3334 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
3335 , "force subtitle tag/fourcc", "fourcc/tag" },
3336 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
3337 "fix subtitles duration" },
3338 { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
3339 "set canvas size (WxH or abbreviation)", "size" },
3342 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
3343 "deprecated, use -channel", "channel" },
3344 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
3345 "deprecated, use -standard", "standard" },
3346 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
3349 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
3350 "set the maximum demux-decode delay", "seconds" },
3351 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
3352 "set the initial demux-decode delay", "seconds" },
3353 { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
3354 "override the options from ffserver", "" },
3355 { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
3356 "specify a file in which to print sdp information", "file" },
3358 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
3359 "A comma-separated list of bitstream filters", "bitstream_filters" },
3360 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3361 "deprecated", "audio bitstream_filters" },
3362 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3363 "deprecated", "video bitstream_filters" },
3365 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3366 "set the audio options to the indicated preset", "preset" },
3367 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3368 "set the video options to the indicated preset", "preset" },
3369 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3370 "set the subtitle options to the indicated preset", "preset" },
3371 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3372 "set options from indicated preset file", "filename" },
3373 /* data codec support */
3374 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
3375 "force data codec ('copy' to copy stream)", "codec" },
3376 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },