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"
31 #include "libavfilter/avfiltergraph.h"
33 #include "libavutil/audioconvert.h"
34 #include "libavutil/avassert.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/avutil.h"
37 #include "libavutil/intreadwrite.h"
38 #include "libavutil/fifo.h"
39 #include "libavutil/mathematics.h"
40 #include "libavutil/opt.h"
41 #include "libavutil/parseutils.h"
42 #include "libavutil/pixdesc.h"
43 #include "libavutil/pixfmt.h"
45 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
48 for (i = 0; i < o->nb_ ## name; i++) {\
49 char *spec = o->name[i].specifier;\
50 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
51 outvar = o->name[i].u.type;\
57 #define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
60 for (i = 0; i < o->nb_ ## name; i++) {\
61 char *spec = o->name[i].specifier;\
62 if (!strcmp(spec, mediatype))\
63 outvar = o->name[i].u.type;\
66 char *vstats_filename;
68 float audio_drift_threshold = 0.1;
69 float dts_delta_threshold = 10;
70 float dts_error_threshold = 3600*30;
72 int audio_volume = 256;
73 int audio_sync_method = 0;
74 int video_sync_method = VSYNC_AUTO;
75 int do_deinterlace = 0;
77 int do_benchmark_all = 0;
83 int exit_on_error = 0;
86 int stdin_interaction = 1;
87 int frame_bits_per_raw_sample = 0;
90 static int intra_only = 0;
91 static int file_overwrite = 0;
92 static int no_file_overwrite = 0;
93 static int video_discard = 0;
94 static int intra_dc_precision = 8;
95 static int do_psnr = 0;
96 static int input_sync;
98 void reset_options(OptionsContext *o, int is_input)
100 const OptionDef *po = options;
101 OptionsContext bak= *o;
104 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
106 void *dst = (uint8_t*)o + po->u.off;
108 if (po->flags & OPT_SPEC) {
109 SpecifierOpt **so = dst;
110 int i, *count = (int*)(so + 1);
111 for (i = 0; i < *count; i++) {
112 av_freep(&(*so)[i].specifier);
113 if (po->flags & OPT_STRING)
114 av_freep(&(*so)[i].u.str);
118 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
123 for (i = 0; i < o->nb_stream_maps; i++)
124 av_freep(&o->stream_maps[i].linklabel);
125 av_freep(&o->stream_maps);
126 av_freep(&o->audio_channel_maps);
127 av_freep(&o->streamid_map);
129 memset(o, 0, sizeof(*o));
132 o->recording_time = bak.recording_time;
133 if (o->recording_time != INT64_MAX)
134 av_log(NULL, AV_LOG_WARNING,
135 "-t is not an input option, keeping it for the next output;"
136 " consider fixing your command line.\n");
138 o->recording_time = INT64_MAX;
139 o->mux_max_delay = 0.7;
140 o->limit_filesize = UINT64_MAX;
141 o->chapters_input_file = INT_MAX;
148 static int opt_frame_crop(void *optctx, const char *opt, const char *arg)
150 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
151 return AVERROR(EINVAL);
154 static int opt_pad(void *optctx, const char *opt, const char *arg)
156 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
160 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
162 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
163 return opt_default(optctx, "channel", arg);
166 static int opt_video_standard(void *optctx, const char *opt, const char *arg)
168 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
169 return opt_default(optctx, "standard", arg);
172 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
174 OptionsContext *o = optctx;
175 return parse_option(o, "codec:a", arg, options);
178 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
180 OptionsContext *o = optctx;
181 return parse_option(o, "codec:v", arg, options);
184 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
186 OptionsContext *o = optctx;
187 return parse_option(o, "codec:s", arg, options);
190 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
192 OptionsContext *o = optctx;
193 return parse_option(o, "codec:d", arg, options);
196 static int opt_map(void *optctx, const char *opt, const char *arg)
198 OptionsContext *o = optctx;
200 int i, negative = 0, file_idx;
201 int sync_file_idx = -1, sync_stream_idx = 0;
209 map = av_strdup(arg);
211 /* parse sync stream first, just pick first matching stream */
212 if (sync = strchr(map, ',')) {
214 sync_file_idx = strtol(sync + 1, &sync, 0);
215 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
216 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
221 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
222 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
223 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
227 if (i == input_files[sync_file_idx]->nb_streams) {
228 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
229 "match any streams.\n", arg);
236 /* this mapping refers to lavfi output */
237 const char *c = map + 1;
238 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
239 &o->nb_stream_maps, o->nb_stream_maps + 1);
240 m = &o->stream_maps[o->nb_stream_maps - 1];
241 m->linklabel = av_get_token(&c, "]");
243 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
247 file_idx = strtol(map, &p, 0);
248 if (file_idx >= nb_input_files || file_idx < 0) {
249 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
253 /* disable some already defined maps */
254 for (i = 0; i < o->nb_stream_maps; i++) {
255 m = &o->stream_maps[i];
256 if (file_idx == m->file_index &&
257 check_stream_specifier(input_files[m->file_index]->ctx,
258 input_files[m->file_index]->ctx->streams[m->stream_index],
259 *p == ':' ? p + 1 : p) > 0)
263 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
264 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
265 *p == ':' ? p + 1 : p) <= 0)
267 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
268 &o->nb_stream_maps, o->nb_stream_maps + 1);
269 m = &o->stream_maps[o->nb_stream_maps - 1];
271 m->file_index = file_idx;
274 if (sync_file_idx >= 0) {
275 m->sync_file_index = sync_file_idx;
276 m->sync_stream_index = sync_stream_idx;
278 m->sync_file_index = file_idx;
279 m->sync_stream_index = i;
285 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
293 static int opt_attach(void *optctx, const char *opt, const char *arg)
295 OptionsContext *o = optctx;
296 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
297 &o->nb_attachments, o->nb_attachments + 1);
298 o->attachments[o->nb_attachments - 1] = arg;
302 static int opt_map_channel(void *optctx, const char *opt, const char *arg)
304 OptionsContext *o = optctx;
309 o->audio_channel_maps =
310 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
311 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
312 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
314 /* muted channel syntax */
315 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
316 if ((n == 1 || n == 3) && m->channel_idx == -1) {
317 m->file_idx = m->stream_idx = -1;
319 m->ofile_idx = m->ostream_idx = -1;
324 n = sscanf(arg, "%d.%d.%d:%d.%d",
325 &m->file_idx, &m->stream_idx, &m->channel_idx,
326 &m->ofile_idx, &m->ostream_idx);
328 if (n != 3 && n != 5) {
329 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
330 "[file.stream.channel|-1][:syncfile:syncstream]\n");
334 if (n != 5) // only file.stream.channel specified
335 m->ofile_idx = m->ostream_idx = -1;
338 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
339 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
343 if (m->stream_idx < 0 ||
344 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
345 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
346 m->file_idx, m->stream_idx);
349 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
350 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
351 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
352 m->file_idx, m->stream_idx);
355 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
356 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
357 m->file_idx, m->stream_idx, m->channel_idx);
364 * Parse a metadata specifier in arg.
365 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
366 * @param index for type c/p, chapter/program index is written here
367 * @param stream_spec for type s, the stream specifier is written here
369 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
377 if (*(++arg) && *arg != ':') {
378 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
381 *stream_spec = *arg == ':' ? arg + 1 : "";
386 *index = strtol(++arg, NULL, 0);
389 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
396 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
398 AVDictionary **meta_in = NULL;
399 AVDictionary **meta_out = NULL;
401 char type_in, type_out;
402 const char *istream_spec = NULL, *ostream_spec = NULL;
403 int idx_in = 0, idx_out = 0;
405 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
406 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
409 if (type_out == 'g' || !*outspec)
410 o->metadata_global_manual = 1;
411 if (type_out == 's' || !*outspec)
412 o->metadata_streams_manual = 1;
413 if (type_out == 'c' || !*outspec)
414 o->metadata_chapters_manual = 1;
418 if (type_in == 'g' || type_out == 'g')
419 o->metadata_global_manual = 1;
420 if (type_in == 's' || type_out == 's')
421 o->metadata_streams_manual = 1;
422 if (type_in == 'c' || type_out == 'c')
423 o->metadata_chapters_manual = 1;
425 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
426 if ((index) < 0 || (index) >= (nb_elems)) {\
427 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
432 #define SET_DICT(type, meta, context, index)\
435 meta = &context->metadata;\
438 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
439 meta = &context->chapters[index]->metadata;\
442 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
443 meta = &context->programs[index]->metadata;\
445 default: av_assert0(0);\
450 SET_DICT(type_in, meta_in, ic, idx_in);
451 SET_DICT(type_out, meta_out, oc, idx_out);
453 /* for input streams choose first matching stream */
454 if (type_in == 's') {
455 for (i = 0; i < ic->nb_streams; i++) {
456 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
457 meta_in = &ic->streams[i]->metadata;
463 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
468 if (type_out == 's') {
469 for (i = 0; i < oc->nb_streams; i++) {
470 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
471 meta_out = &oc->streams[i]->metadata;
472 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
477 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
482 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
484 OptionsContext *o = optctx;
486 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
487 struct tm time = *gmtime((time_t*)&recording_timestamp);
488 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
489 parse_option(o, "metadata", buf, options);
491 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
492 "tag instead.\n", opt);
496 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
498 const AVCodecDescriptor *desc;
499 const char *codec_string = encoder ? "encoder" : "decoder";
503 avcodec_find_encoder_by_name(name) :
504 avcodec_find_decoder_by_name(name);
506 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
507 codec = encoder ? avcodec_find_encoder(desc->id) :
508 avcodec_find_decoder(desc->id);
510 av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
511 codec_string, codec->name, desc->name);
515 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
518 if (codec->type != type) {
519 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
525 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
527 char *codec_name = NULL;
529 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
531 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
532 st->codec->codec_id = codec->id;
535 return avcodec_find_decoder(st->codec->codec_id);
539 * Add all the streams from the given input file to the global
540 * list of input streams.
542 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
545 char *next, *codec_tag = NULL;
547 for (i = 0; i < ic->nb_streams; i++) {
548 AVStream *st = ic->streams[i];
549 AVCodecContext *dec = st->codec;
550 InputStream *ist = av_mallocz(sizeof(*ist));
551 char *framerate = NULL;
556 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
557 input_streams[nb_input_streams - 1] = ist;
560 ist->file_index = nb_input_files;
562 st->discard = AVDISCARD_ALL;
563 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, choose_decoder(o, ic, st));
566 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
568 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
570 uint32_t tag = strtol(codec_tag, &next, 0);
572 tag = AV_RL32(codec_tag);
573 st->codec->codec_tag = tag;
576 ist->dec = choose_decoder(o, ic, st);
578 switch (dec->codec_type) {
579 case AVMEDIA_TYPE_VIDEO:
581 ist->dec = avcodec_find_decoder(dec->codec_id);
583 dec->flags |= CODEC_FLAG_EMU_EDGE;
586 ist->resample_height = dec->height;
587 ist->resample_width = dec->width;
588 ist->resample_pix_fmt = dec->pix_fmt;
590 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
591 if (framerate && av_parse_video_rate(&ist->framerate,
593 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
598 ist->top_field_first = -1;
599 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
602 case AVMEDIA_TYPE_AUDIO:
603 guess_input_channel_layout(ist);
605 ist->resample_sample_fmt = dec->sample_fmt;
606 ist->resample_sample_rate = dec->sample_rate;
607 ist->resample_channels = dec->channels;
608 ist->resample_channel_layout = dec->channel_layout;
611 case AVMEDIA_TYPE_DATA:
612 case AVMEDIA_TYPE_SUBTITLE:
614 ist->dec = avcodec_find_decoder(dec->codec_id);
615 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
617 case AVMEDIA_TYPE_ATTACHMENT:
618 case AVMEDIA_TYPE_UNKNOWN:
626 static void assert_file_overwrite(const char *filename)
628 if ((!file_overwrite || no_file_overwrite) &&
629 (strchr(filename, ':') == NULL || filename[1] == ':' ||
630 av_strstart(filename, "file:", NULL))) {
631 if (avio_check(filename, 0) == 0) {
632 if (stdin_interaction && (!no_file_overwrite || file_overwrite)) {
633 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
636 signal(SIGINT, SIG_DFL);
638 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
644 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
651 static void dump_attachment(AVStream *st, const char *filename)
654 AVIOContext *out = NULL;
655 AVDictionaryEntry *e;
657 if (!st->codec->extradata_size) {
658 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
659 nb_input_files - 1, st->index);
662 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
665 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
666 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
670 assert_file_overwrite(filename);
672 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
673 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
678 avio_write(out, st->codec->extradata, st->codec->extradata_size);
683 static int opt_input_file(void *optctx, const char *opt, const char *filename)
685 OptionsContext *o = optctx;
687 AVInputFormat *file_iformat = NULL;
692 int orig_nb_streams; // number of streams before avformat_find_stream_info
693 char * video_codec_name = NULL;
694 char * audio_codec_name = NULL;
695 char *subtitle_codec_name = NULL;
698 if (!(file_iformat = av_find_input_format(o->format))) {
699 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
704 if (!strcmp(filename, "-"))
707 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
708 strcmp(filename, "/dev/stdin");
710 /* get default parameters from command line */
711 ic = avformat_alloc_context();
713 print_error(filename, AVERROR(ENOMEM));
716 if (o->nb_audio_sample_rate) {
717 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
718 av_dict_set(&format_opts, "sample_rate", buf, 0);
720 if (o->nb_audio_channels) {
721 /* because we set audio_channels based on both the "ac" and
722 * "channel_layout" options, we need to check that the specified
723 * demuxer actually has the "channels" option before setting it */
724 if (file_iformat && file_iformat->priv_class &&
725 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
726 AV_OPT_SEARCH_FAKE_OBJ)) {
727 snprintf(buf, sizeof(buf), "%d",
728 o->audio_channels[o->nb_audio_channels - 1].u.i);
729 av_dict_set(&format_opts, "channels", buf, 0);
732 if (o->nb_frame_rates) {
733 /* set the format-level framerate option;
734 * this is important for video grabbers, e.g. x11 */
735 if (file_iformat && file_iformat->priv_class &&
736 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
737 AV_OPT_SEARCH_FAKE_OBJ)) {
738 av_dict_set(&format_opts, "framerate",
739 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
742 if (o->nb_frame_sizes) {
743 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
745 if (o->nb_frame_pix_fmts)
746 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
748 MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
749 MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
750 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
752 ic->video_codec_id = video_codec_name ?
753 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
754 ic->audio_codec_id = audio_codec_name ?
755 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
756 ic->subtitle_codec_id= subtitle_codec_name ?
757 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
758 ic->flags |= AVFMT_FLAG_NONBLOCK;
759 ic->interrupt_callback = int_cb;
761 /* open the input file with generic avformat function */
762 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
764 print_error(filename, err);
767 assert_avoptions(format_opts);
769 /* apply forced codec ids */
770 for (i = 0; i < ic->nb_streams; i++)
771 choose_decoder(o, ic, ic->streams[i]);
773 /* Set AVCodecContext options for avformat_find_stream_info */
774 opts = setup_find_stream_info_opts(ic, codec_opts);
775 orig_nb_streams = ic->nb_streams;
777 /* If not enough info to get the stream parameters, we decode the
778 first frames to get it. (used in mpeg case for example) */
779 ret = avformat_find_stream_info(ic, opts);
781 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
782 avformat_close_input(&ic);
786 timestamp = o->start_time;
787 /* add the stream start time */
788 if (ic->start_time != AV_NOPTS_VALUE)
789 timestamp += ic->start_time;
791 /* if seeking requested, we execute it */
792 if (o->start_time != 0) {
793 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
795 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
796 filename, (double)timestamp / AV_TIME_BASE);
800 /* update the current parameters so that they match the one of the input stream */
801 add_input_streams(o, ic);
803 /* dump the file content */
804 av_dump_format(ic, nb_input_files, filename, 0);
806 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
807 if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
810 input_files[nb_input_files - 1]->ctx = ic;
811 input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams;
812 input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
813 input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
814 input_files[nb_input_files - 1]->rate_emu = o->rate_emu;
816 for (i = 0; i < o->nb_dump_attachment; i++) {
819 for (j = 0; j < ic->nb_streams; j++) {
820 AVStream *st = ic->streams[j];
822 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
823 dump_attachment(st, o->dump_attachment[i].u.str);
827 for (i = 0; i < orig_nb_streams; i++)
828 av_dict_free(&opts[i]);
835 static uint8_t *get_line(AVIOContext *s)
841 if (avio_open_dyn_buf(&line) < 0) {
842 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
846 while ((c = avio_r8(s)) && c != '\n')
849 avio_close_dyn_buf(line, &buf);
854 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
858 const char *base[3] = { getenv("AVCONV_DATADIR"),
863 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
867 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
868 i != 1 ? "" : "/.avconv", codec_name, preset_name);
869 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
872 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
873 i != 1 ? "" : "/.avconv", preset_name);
874 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
880 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
882 char *codec_name = NULL;
884 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
886 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
887 NULL, ost->st->codec->codec_type);
888 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
889 } else if (!strcmp(codec_name, "copy"))
890 ost->stream_copy = 1;
892 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
893 ost->st->codec->codec_id = ost->enc->id;
897 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
900 AVStream *st = avformat_new_stream(oc, NULL);
901 int idx = oc->nb_streams - 1, ret = 0;
902 char *bsf = NULL, *next, *codec_tag = NULL;
903 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
905 char *buf = NULL, *arg = NULL, *preset = NULL;
906 AVIOContext *s = NULL;
909 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
913 if (oc->nb_streams - 1 < o->nb_streamid_map)
914 st->id = o->streamid_map[oc->nb_streams - 1];
916 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
917 nb_output_streams + 1);
918 if (!(ost = av_mallocz(sizeof(*ost))))
920 output_streams[nb_output_streams - 1] = ost;
922 ost->file_index = nb_output_files;
925 st->codec->codec_type = type;
926 choose_encoder(o, oc, ost);
928 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
931 avcodec_get_context_defaults3(st->codec, ost->enc);
932 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
934 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
935 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
938 if (!buf[0] || buf[0] == '#') {
942 if (!(arg = strchr(buf, '='))) {
943 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
947 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
949 } while (!s->eof_reached);
953 av_log(NULL, AV_LOG_FATAL,
954 "Preset %s specified for stream %d:%d, but could not be opened.\n",
955 preset, ost->file_index, ost->index);
959 ost->max_frames = INT64_MAX;
960 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
962 ost->copy_prior_start = -1;
963 MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
965 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
967 if (next = strchr(bsf, ','))
969 if (!(bsfc = av_bitstream_filter_init(bsf))) {
970 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
974 bsfc_prev->next = bsfc;
976 ost->bitstream_filters = bsfc;
982 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
984 uint32_t tag = strtol(codec_tag, &next, 0);
986 tag = AV_RL32(codec_tag);
987 st->codec->codec_tag = tag;
990 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
992 st->codec->flags |= CODEC_FLAG_QSCALE;
993 st->codec->global_quality = FF_QP2LAMBDA * qscale;
996 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
997 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
999 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
1000 av_opt_get_int (swr_opts, "dither_method", 0, &ost->swr_dither_method);
1001 av_opt_get_double(swr_opts, "dither_scale" , 0, &ost->swr_dither_scale);
1003 ost->source_index = source_index;
1004 if (source_index >= 0) {
1005 ost->sync_ist = input_streams[source_index];
1006 input_streams[source_index]->discard = 0;
1007 input_streams[source_index]->st->discard = AVDISCARD_NONE;
1013 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1016 const char *p = str;
1023 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1030 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1034 AVCodecContext *video_enc;
1035 char *frame_rate = NULL;
1037 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1039 video_enc = st->codec;
1041 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1042 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1043 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1047 if (!ost->stream_copy) {
1048 const char *p = NULL;
1049 char *frame_size = NULL;
1050 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
1051 char *intra_matrix = NULL, *inter_matrix = NULL;
1052 const char *filters = "null";
1056 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1057 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1058 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1062 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1063 if (frame_aspect_ratio) {
1065 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1066 q.num <= 0 || q.den <= 0) {
1067 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1070 ost->frame_aspect_ratio = av_q2d(q);
1073 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1074 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1075 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1076 ost->keep_pix_fmt = 1;
1077 if (!*++frame_pix_fmt)
1078 frame_pix_fmt = NULL;
1080 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1081 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1084 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1087 video_enc->gop_size = 0;
1088 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1090 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1091 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1094 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1096 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1098 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1099 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1102 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1105 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1106 for (i = 0; p; i++) {
1108 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1110 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1113 /* FIXME realloc failure */
1114 video_enc->rc_override =
1115 av_realloc(video_enc->rc_override,
1116 sizeof(RcOverride) * (i + 1));
1117 video_enc->rc_override[i].start_frame = start;
1118 video_enc->rc_override[i].end_frame = end;
1120 video_enc->rc_override[i].qscale = q;
1121 video_enc->rc_override[i].quality_factor = 1.0;
1124 video_enc->rc_override[i].qscale = 0;
1125 video_enc->rc_override[i].quality_factor = -q/100.0;
1130 video_enc->rc_override_count = i;
1131 if (!video_enc->rc_initial_buffer_occupancy)
1132 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
1133 video_enc->intra_dc_precision = intra_dc_precision - 8;
1136 video_enc->flags|= CODEC_FLAG_PSNR;
1139 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1142 video_enc->flags |= CODEC_FLAG_PASS1;
1145 video_enc->flags |= CODEC_FLAG_PASS2;
1149 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1150 if (ost->logfile_prefix &&
1151 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1154 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1155 if (ost->forced_keyframes)
1156 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1158 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1160 ost->top_field_first = -1;
1161 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1163 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
1164 ost->avfilter = av_strdup(filters);
1166 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1172 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1177 AVCodecContext *audio_enc;
1179 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1182 audio_enc = st->codec;
1183 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1185 if (!ost->stream_copy) {
1186 char *sample_fmt = NULL;
1187 const char *filters = "anull";
1189 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1191 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1193 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1194 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1198 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1200 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
1202 av_assert1(filters);
1203 ost->avfilter = av_strdup(filters);
1205 /* check for channel mapping for this audio stream */
1206 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1207 AudioChannelMap *map = &o->audio_channel_maps[n];
1208 InputStream *ist = input_streams[ost->source_index];
1209 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
1210 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1211 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1212 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
1213 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1215 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
1216 ost->file_index, ost->st->index);
1224 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1228 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1229 if (!ost->stream_copy) {
1230 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1237 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1239 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1240 ost->stream_copy = 1;
1244 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1248 AVCodecContext *subtitle_enc;
1250 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1252 subtitle_enc = st->codec;
1254 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1256 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1258 if (!ost->stream_copy) {
1259 char *frame_size = NULL;
1261 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1262 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1263 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1271 /* arg format is "output-stream-index:streamid-value". */
1272 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1274 OptionsContext *o = optctx;
1279 av_strlcpy(idx_str, arg, sizeof(idx_str));
1280 p = strchr(idx_str, ':');
1282 av_log(NULL, AV_LOG_FATAL,
1283 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1288 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1289 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1290 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1294 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1296 AVFormatContext *is = ifile->ctx;
1297 AVFormatContext *os = ofile->ctx;
1301 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1303 return AVERROR(ENOMEM);
1306 for (i = 0; i < is->nb_chapters; i++) {
1307 AVChapter *in_ch = is->chapters[i], *out_ch;
1308 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
1309 AV_TIME_BASE_Q, in_ch->time_base);
1310 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1311 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1314 if (in_ch->end < ts_off)
1316 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1319 out_ch = av_mallocz(sizeof(AVChapter));
1321 return AVERROR(ENOMEM);
1323 out_ch->id = in_ch->id;
1324 out_ch->time_base = in_ch->time_base;
1325 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1326 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1329 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1331 os->chapters[os->nb_chapters++] = out_ch;
1336 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1339 AVFormatContext *ic = avformat_alloc_context();
1341 ic->interrupt_callback = int_cb;
1342 err = avformat_open_input(&ic, filename, NULL, NULL);
1345 /* copy stream format */
1346 for(i=0;i<ic->nb_streams;i++) {
1350 AVCodecContext *avctx;
1352 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
1353 ost = new_output_stream(o, s, codec->type, -1);
1358 // FIXME: a more elegant solution is needed
1359 memcpy(st, ic->streams[i], sizeof(AVStream));
1361 st->info = av_malloc(sizeof(*st->info));
1362 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
1364 avcodec_copy_context(st->codec, ic->streams[i]->codec);
1366 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1367 choose_sample_fmt(st, codec);
1368 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1369 choose_pixel_fmt(st, codec, st->codec->pix_fmt);
1372 /* ffserver seeking with date=... needs a date reference */
1373 err = parse_option(o, "metadata", "creation_time=now", options);
1375 avformat_close_input(&ic);
1379 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1380 AVFormatContext *oc)
1384 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1385 ofilter->out_tmp->pad_idx)) {
1386 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1387 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1389 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1394 ost->source_index = -1;
1395 ost->filter = ofilter;
1399 if (ost->stream_copy) {
1400 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1401 "which is fed from a complex filtergraph. Filtering and streamcopy "
1402 "cannot be used together.\n", ost->file_index, ost->index);
1406 if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
1407 av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
1410 avfilter_inout_free(&ofilter->out_tmp);
1413 static int configure_complex_filters(void)
1417 for (i = 0; i < nb_filtergraphs; i++)
1418 if (!filtergraphs[i]->graph &&
1419 (ret = configure_filtergraph(filtergraphs[i])) < 0)
1424 void opt_output_file(void *optctx, const char *filename)
1426 OptionsContext *o = optctx;
1427 AVFormatContext *oc;
1429 AVOutputFormat *file_oformat;
1433 if (configure_complex_filters() < 0) {
1434 av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
1438 if (!strcmp(filename, "-"))
1441 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
1443 print_error(filename, err);
1446 file_oformat= oc->oformat;
1447 oc->interrupt_callback = int_cb;
1449 /* create streams for all unlabeled output pads */
1450 for (i = 0; i < nb_filtergraphs; i++) {
1451 FilterGraph *fg = filtergraphs[i];
1452 for (j = 0; j < fg->nb_outputs; j++) {
1453 OutputFilter *ofilter = fg->outputs[j];
1455 if (!ofilter->out_tmp || ofilter->out_tmp->name)
1458 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1459 ofilter->out_tmp->pad_idx)) {
1460 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
1461 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
1462 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
1464 init_output_filter(ofilter, o, oc);
1468 if (!strcmp(file_oformat->name, "ffm") &&
1469 av_strstart(filename, "http:", NULL)) {
1471 /* special case for files sent to ffserver: we get the stream
1472 parameters from ffserver */
1473 int err = read_ffserver_streams(o, oc, filename);
1475 print_error(filename, err);
1478 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
1479 ost = output_streams[j];
1480 for (i = 0; i < nb_input_streams; i++) {
1481 ist = input_streams[i];
1482 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
1484 ost->source_index= i;
1485 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
1486 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
1488 ist->st->discard = AVDISCARD_NONE;
1493 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));
1497 } else if (!o->nb_stream_maps) {
1498 char *subtitle_codec_name = NULL;
1499 /* pick the "best" stream of each type */
1501 /* video: highest resolution */
1502 if (!o->video_disable && oc->oformat->video_codec != AV_CODEC_ID_NONE) {
1503 int area = 0, idx = -1;
1504 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
1505 for (i = 0; i < nb_input_streams; i++) {
1507 ist = input_streams[i];
1508 new_area = ist->st->codec->width * ist->st->codec->height;
1509 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
1511 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1513 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
1520 new_video_stream(o, oc, idx);
1523 /* audio: most channels */
1524 if (!o->audio_disable && oc->oformat->audio_codec != AV_CODEC_ID_NONE) {
1525 int channels = 0, idx = -1;
1526 for (i = 0; i < nb_input_streams; i++) {
1527 ist = input_streams[i];
1528 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
1529 ist->st->codec->channels > channels) {
1530 channels = ist->st->codec->channels;
1535 new_audio_stream(o, oc, idx);
1538 /* subtitles: pick first */
1539 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
1540 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != AV_CODEC_ID_NONE || subtitle_codec_name)) {
1541 for (i = 0; i < nb_input_streams; i++)
1542 if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1543 new_subtitle_stream(o, oc, i);
1547 /* do something with data? */
1549 for (i = 0; i < o->nb_stream_maps; i++) {
1550 StreamMap *map = &o->stream_maps[i];
1551 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
1556 if (map->linklabel) {
1558 OutputFilter *ofilter = NULL;
1561 for (j = 0; j < nb_filtergraphs; j++) {
1562 fg = filtergraphs[j];
1563 for (k = 0; k < fg->nb_outputs; k++) {
1564 AVFilterInOut *out = fg->outputs[k]->out_tmp;
1565 if (out && !strcmp(out->name, map->linklabel)) {
1566 ofilter = fg->outputs[k];
1573 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
1574 "in any defined filter graph.\n", map->linklabel);
1577 init_output_filter(ofilter, o, oc);
1579 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
1580 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
1582 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1584 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1586 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
1589 switch (ist->st->codec->codec_type) {
1590 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
1591 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
1592 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
1593 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
1594 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
1596 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
1597 map->file_index, map->stream_index);
1605 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
1606 AVDictionaryEntry *e;
1607 ost = output_streams[i];
1609 if ( ost->stream_copy
1610 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
1611 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
1612 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
1616 /* handle attached files */
1617 for (i = 0; i < o->nb_attachments; i++) {
1619 uint8_t *attachment;
1623 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
1624 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
1628 if ((len = avio_size(pb)) <= 0) {
1629 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
1633 if (!(attachment = av_malloc(len))) {
1634 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
1638 avio_read(pb, attachment, len);
1640 ost = new_attachment_stream(o, oc, -1);
1641 ost->stream_copy = 0;
1642 ost->attachment_filename = o->attachments[i];
1643 ost->st->codec->extradata = attachment;
1644 ost->st->codec->extradata_size = len;
1646 p = strrchr(o->attachments[i], '/');
1647 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
1651 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
1652 if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
1655 output_files[nb_output_files - 1]->ctx = oc;
1656 output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams;
1657 output_files[nb_output_files - 1]->recording_time = o->recording_time;
1658 if (o->recording_time != INT64_MAX)
1659 oc->duration = o->recording_time;
1660 output_files[nb_output_files - 1]->start_time = o->start_time;
1661 output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
1662 output_files[nb_output_files - 1]->shortest = o->shortest;
1663 av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
1665 /* check filename in case of an image number is expected */
1666 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
1667 if (!av_filename_number_test(oc->filename)) {
1668 print_error(oc->filename, AVERROR(EINVAL));
1673 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
1674 /* test if it already exists to avoid losing precious files */
1675 assert_file_overwrite(filename);
1678 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
1679 &oc->interrupt_callback,
1680 &output_files[nb_output_files - 1]->opts)) < 0) {
1681 print_error(filename, err);
1686 if (o->mux_preload) {
1688 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
1689 av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
1691 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
1694 for (i = 0; i < o->nb_metadata_map; i++) {
1696 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
1698 if (in_file_index >= nb_input_files) {
1699 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
1702 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index]->ctx : NULL, o);
1706 if (o->chapters_input_file >= nb_input_files) {
1707 if (o->chapters_input_file == INT_MAX) {
1708 /* copy chapters from the first input file that has them*/
1709 o->chapters_input_file = -1;
1710 for (i = 0; i < nb_input_files; i++)
1711 if (input_files[i]->ctx->nb_chapters) {
1712 o->chapters_input_file = i;
1716 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
1717 o->chapters_input_file);
1721 if (o->chapters_input_file >= 0)
1722 copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
1723 !o->metadata_chapters_manual);
1725 /* copy global metadata by default */
1726 if (!o->metadata_global_manual && nb_input_files){
1727 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
1728 AV_DICT_DONT_OVERWRITE);
1729 if(o->recording_time != INT64_MAX)
1730 av_dict_set(&oc->metadata, "duration", NULL, 0);
1731 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
1733 if (!o->metadata_streams_manual)
1734 for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
1736 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
1738 ist = input_streams[output_streams[i]->source_index];
1739 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
1742 /* process manually set metadata */
1743 for (i = 0; i < o->nb_metadata; i++) {
1746 const char *stream_spec;
1747 int index = 0, j, ret = 0;
1749 val = strchr(o->metadata[i].u.str, '=');
1751 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
1752 o->metadata[i].u.str);
1757 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
1759 for (j = 0; j < oc->nb_streams; j++) {
1760 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
1761 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
1772 if (index < 0 || index >= oc->nb_chapters) {
1773 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
1776 m = &oc->chapters[index]->metadata;
1779 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
1782 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
1786 reset_options(o, 0);
1789 static int opt_target(void *optctx, const char *opt, const char *arg)
1791 OptionsContext *o = optctx;
1792 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
1793 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
1795 if (!strncmp(arg, "pal-", 4)) {
1798 } else if (!strncmp(arg, "ntsc-", 5)) {
1801 } else if (!strncmp(arg, "film-", 5)) {
1805 /* Try to determine PAL/NTSC by peeking in the input files */
1806 if (nb_input_files) {
1808 for (j = 0; j < nb_input_files; j++) {
1809 for (i = 0; i < input_files[j]->nb_streams; i++) {
1810 AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
1811 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
1813 fr = c->time_base.den * 1000 / c->time_base.num;
1817 } else if ((fr == 29970) || (fr == 23976)) {
1822 if (norm != UNKNOWN)
1826 if (norm != UNKNOWN)
1827 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
1830 if (norm == UNKNOWN) {
1831 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
1832 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
1833 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
1837 if (!strcmp(arg, "vcd")) {
1838 opt_video_codec(o, "c:v", "mpeg1video");
1839 opt_audio_codec(o, "c:a", "mp2");
1840 parse_option(o, "f", "vcd", options);
1842 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
1843 parse_option(o, "r", frame_rates[norm], options);
1844 opt_default(NULL, "g", norm == PAL ? "15" : "18");
1846 opt_default(NULL, "b:v", "1150000");
1847 opt_default(NULL, "maxrate", "1150000");
1848 opt_default(NULL, "minrate", "1150000");
1849 opt_default(NULL, "bufsize", "327680"); // 40*1024*8;
1851 opt_default(NULL, "b:a", "224000");
1852 parse_option(o, "ar", "44100", options);
1853 parse_option(o, "ac", "2", options);
1855 opt_default(NULL, "packetsize", "2324");
1856 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
1858 /* We have to offset the PTS, so that it is consistent with the SCR.
1859 SCR starts at 36000, but the first two packs contain only padding
1860 and the first pack from the other stream, respectively, may also have
1861 been written before.
1862 So the real data starts at SCR 36000+3*1200. */
1863 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
1864 } else if (!strcmp(arg, "svcd")) {
1866 opt_video_codec(o, "c:v", "mpeg2video");
1867 opt_audio_codec(o, "c:a", "mp2");
1868 parse_option(o, "f", "svcd", options);
1870 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
1871 parse_option(o, "r", frame_rates[norm], options);
1872 parse_option(o, "pix_fmt", "yuv420p", options);
1873 opt_default(NULL, "g", norm == PAL ? "15" : "18");
1875 opt_default(NULL, "b:v", "2040000");
1876 opt_default(NULL, "maxrate", "2516000");
1877 opt_default(NULL, "minrate", "0"); // 1145000;
1878 opt_default(NULL, "bufsize", "1835008"); // 224*1024*8;
1879 opt_default(NULL, "scan_offset", "1");
1881 opt_default(NULL, "b:a", "224000");
1882 parse_option(o, "ar", "44100", options);
1884 opt_default(NULL, "packetsize", "2324");
1886 } else if (!strcmp(arg, "dvd")) {
1888 opt_video_codec(o, "c:v", "mpeg2video");
1889 opt_audio_codec(o, "c:a", "ac3");
1890 parse_option(o, "f", "dvd", options);
1892 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
1893 parse_option(o, "r", frame_rates[norm], options);
1894 parse_option(o, "pix_fmt", "yuv420p", options);
1895 opt_default(NULL, "g", norm == PAL ? "15" : "18");
1897 opt_default(NULL, "b:v", "6000000");
1898 opt_default(NULL, "maxrate", "9000000");
1899 opt_default(NULL, "minrate", "0"); // 1500000;
1900 opt_default(NULL, "bufsize", "1835008"); // 224*1024*8;
1902 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
1903 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
1905 opt_default(NULL, "b:a", "448000");
1906 parse_option(o, "ar", "48000", options);
1908 } else if (!strncmp(arg, "dv", 2)) {
1910 parse_option(o, "f", "dv", options);
1912 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
1913 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
1914 norm == PAL ? "yuv420p" : "yuv411p", options);
1915 parse_option(o, "r", frame_rates[norm], options);
1917 parse_option(o, "ar", "48000", options);
1918 parse_option(o, "ac", "2", options);
1921 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
1922 return AVERROR(EINVAL);
1927 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
1929 av_free (vstats_filename);
1930 vstats_filename = av_strdup (arg);
1934 static int opt_vstats(void *optctx, const char *opt, const char *arg)
1937 time_t today2 = time(NULL);
1938 struct tm *today = localtime(&today2);
1940 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
1942 return opt_vstats_file(NULL, opt, filename);
1945 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
1947 OptionsContext *o = optctx;
1948 return parse_option(o, "frames:v", arg, options);
1951 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
1953 OptionsContext *o = optctx;
1954 return parse_option(o, "frames:a", arg, options);
1957 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
1959 OptionsContext *o = optctx;
1960 return parse_option(o, "frames:d", arg, options);
1963 static int opt_preset(void *optctx, const char *opt, const char *arg)
1965 OptionsContext *o = optctx;
1967 char filename[1000], line[1000], tmp_line[1000];
1968 const char *codec_name = NULL;
1972 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
1974 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
1975 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
1976 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
1978 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
1982 while (fgets(line, sizeof(line), f)) {
1983 char *key = tmp_line, *value, *endptr;
1985 if (strcspn(line, "#\n\r") == 0)
1987 strcpy(tmp_line, line);
1988 if (!av_strtok(key, "=", &value) ||
1989 !av_strtok(value, "\r\n", &endptr)) {
1990 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
1993 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
1995 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
1996 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
1997 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
1998 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
1999 else if (opt_default(NULL, key, value) < 0) {
2000 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
2001 filename, line, key, value);
2011 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2013 OptionsContext *o = optctx;
2014 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2015 int ret = parse_option(o, s, arg, options);
2020 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2022 OptionsContext *o = optctx;
2023 if(!strcmp(opt, "b")){
2024 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2025 return parse_option(o, "b:v", arg, options);
2027 return opt_default(optctx, opt, arg);
2030 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2032 OptionsContext *o = optctx;
2035 if(!strcmp(opt, "qscale")){
2036 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2037 return parse_option(o, "q:v", arg, options);
2039 s = av_asprintf("q%s", opt + 6);
2040 ret = parse_option(o, s, arg, options);
2045 static int opt_profile(void *optctx, const char *opt, const char *arg)
2047 OptionsContext *o = optctx;
2048 if(!strcmp(opt, "profile")){
2049 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2050 return parse_option(o, "profile:v", arg, options);
2052 return opt_default(optctx, opt, arg);
2056 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2058 OptionsContext *o = optctx;
2059 return parse_option(o, "filter:v", arg, options);
2062 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
2064 OptionsContext *o = optctx;
2065 return parse_option(o, "filter:a", arg, options);
2068 static int opt_vsync(void *optctx, const char *opt, const char *arg)
2070 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2071 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
2072 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
2073 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
2075 if (video_sync_method == VSYNC_AUTO)
2076 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
2080 static int opt_deinterlace(void *optctx, const char *opt, const char *arg)
2082 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
2087 static int opt_timecode(void *optctx, const char *opt, const char *arg)
2089 OptionsContext *o = optctx;
2090 char *tcr = av_asprintf("timecode=%s", arg);
2091 int ret = parse_option(o, "metadata:g", tcr, options);
2093 ret = opt_default(optctx, "gop_timecode", arg);
2098 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
2100 OptionsContext *o = optctx;
2101 char layout_str[32];
2104 int ret, channels, ac_str_size;
2107 layout = av_get_channel_layout(arg);
2109 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
2110 return AVERROR(EINVAL);
2112 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
2113 ret = opt_default(NULL, opt, layout_str);
2117 /* set 'ac' option based on channel layout */
2118 channels = av_get_channel_layout_nb_channels(layout);
2119 snprintf(layout_str, sizeof(layout_str), "%d", channels);
2120 stream_str = strchr(opt, ':');
2121 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
2122 ac_str = av_mallocz(ac_str_size);
2124 return AVERROR(ENOMEM);
2125 av_strlcpy(ac_str, "ac", 3);
2127 av_strlcat(ac_str, stream_str, ac_str_size);
2128 ret = parse_option(o, ac_str, layout_str, options);
2134 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
2136 OptionsContext *o = optctx;
2137 return parse_option(o, "q:a", arg, options);
2140 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
2142 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
2143 &nb_filtergraphs, nb_filtergraphs + 1);
2144 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2145 return AVERROR(ENOMEM);
2146 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2147 filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
2151 void show_help_default(const char *opt, const char *arg)
2153 /* per-file options have at least one of those set */
2154 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
2155 int show_advanced = 0, show_avoptions = 0;
2158 if (!strcmp(opt, "long"))
2160 else if (!strcmp(opt, "full"))
2161 show_advanced = show_avoptions = 1;
2163 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
2168 printf("Getting help:\n"
2169 " -h -- print basic options\n"
2170 " -h long -- print more options\n"
2171 " -h full -- print all options (including all format and codec specific options, very long)\n"
2172 " See man %s for detailed description of the options.\n"
2173 "\n", program_name);
2175 show_help_options(options, "Print help / information / capabilities:",
2178 show_help_options(options, "Global options (affect whole program "
2179 "instead of just one file:",
2180 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
2182 show_help_options(options, "Advanced global options:", OPT_EXPERT,
2183 per_file | OPT_EXIT, 0);
2185 show_help_options(options, "Per-file main options:", 0,
2186 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
2187 OPT_EXIT, per_file);
2189 show_help_options(options, "Advanced per-file options:",
2190 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
2192 show_help_options(options, "Video options:",
2193 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
2195 show_help_options(options, "Advanced Video options:",
2196 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
2198 show_help_options(options, "Audio options:",
2199 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
2201 show_help_options(options, "Advanced Audio options:",
2202 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
2203 show_help_options(options, "Subtitle options:",
2204 OPT_SUBTITLE, 0, 0);
2207 if (show_avoptions) {
2208 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
2209 show_help_children(avcodec_get_class(), flags);
2210 show_help_children(avformat_get_class(), flags);
2211 show_help_children(sws_get_class(), flags);
2212 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
2213 show_help_children(avfilter_get_class(), AV_OPT_FLAG_FILTERING_PARAM);
2217 void show_usage(void)
2219 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
2220 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
2221 av_log(NULL, AV_LOG_INFO, "\n");
2225 static int opt_progress(void *optctx, const char *opt, const char *arg)
2227 AVIOContext *avio = NULL;
2230 if (!strcmp(arg, "-"))
2232 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
2234 av_log(0, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
2235 arg, av_err2str(ret));
2238 progress_avio = avio;
2242 #define OFFSET(x) offsetof(OptionsContext, x)
2243 const OptionDef options[] = {
2245 #include "cmdutils_common_opts.h"
2246 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, { .off = OFFSET(format) },
2247 "force format", "fmt" },
2248 { "i", HAS_ARG | OPT_PERFILE, { .func_arg = opt_input_file },
2249 "input file name", "filename" },
2250 { "y", OPT_BOOL, { &file_overwrite },
2251 "overwrite output files" },
2252 { "n", OPT_BOOL, { &no_file_overwrite },
2253 "do not overwrite output files" },
2254 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(codec_names) },
2255 "codec name", "codec" },
2256 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(codec_names) },
2257 "codec name", "codec" },
2258 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(presets) },
2259 "preset name", "preset" },
2260 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_map },
2261 "set input stream mapping",
2262 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
2263 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_map_channel },
2264 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
2265 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(metadata_map) },
2266 "set metadata information of outfile from infile",
2267 "outfile[,metadata]:infile[,metadata]" },
2268 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(chapters_input_file) },
2269 "set chapters mapping", "input_file_index" },
2270 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, { .off = OFFSET(recording_time) },
2271 "record or transcode \"duration\" seconds of audio/video",
2273 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, { .off = OFFSET(limit_filesize) },
2274 "set the limit file size in bytes", "limit_size" },
2275 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, { .off = OFFSET(start_time) },
2276 "set the start time offset", "time_off" },
2277 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_EXPERT,{ .off = OFFSET(input_ts_offset) },
2278 "set the input ts offset", "time_off" },
2279 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC | OPT_EXPERT,{ .off = OFFSET(ts_scale) },
2280 "set the input ts scale", "scale" },
2281 { "timestamp", HAS_ARG | OPT_PERFILE, { .func_arg = opt_recording_timestamp },
2282 "set the recording timestamp ('now' to set the current time)", "time" },
2283 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(metadata) },
2284 "add metadata", "string=string" },
2285 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT, { .func_arg = opt_data_frames },
2286 "set the number of data frames to record", "number" },
2287 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
2288 "add timings for benchmarking" },
2289 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
2290 "add timings for each task" },
2291 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
2292 "write program-readable progress information", "url" },
2293 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
2294 "enable or disable interaction on standard input" },
2295 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
2296 "set max runtime in seconds", "limit" },
2297 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
2298 "dump each input packet" },
2299 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
2300 "when dumping packets, also dump the payload" },
2301 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(rate_emu) },
2302 "read input at native frame rate", "" },
2303 { "target", HAS_ARG | OPT_PERFILE, { .func_arg = opt_target },
2304 "specify target file type (\"vcd\", \"svcd\", \"dvd\","
2305 " \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
2306 { "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync },
2307 "video sync method", "" },
2308 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
2309 "audio sync method", "" },
2310 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
2311 "audio drift threshold", "threshold" },
2312 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
2313 "copy timestamps" },
2314 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
2315 "copy input stream time base when stream copying", "mode" },
2316 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(shortest) },
2317 "finish encoding within shortest input" },
2318 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
2319 "timestamp discontinuity delta threshold", "threshold" },
2320 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
2321 "timestamp error delta threshold", "threshold" },
2322 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
2323 "exit on error", "error" },
2324 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(copy_initial_nonkeyframes) },
2325 "copy initial non-keyframes" },
2326 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(copy_prior_start) },
2327 "copy or discard frames before start time" },
2328 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, { .off = OFFSET(max_frames) },
2329 "set the number of frames to record", "number" },
2330 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC | OPT_EXPERT,{ .off = OFFSET(codec_tags) },
2331 "force codec tag/fourcc", "fourcc/tag" },
2332 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC,{ .off = OFFSET(qscale) },
2333 "use fixed quality scale (VBR)", "q" },
2334 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_qscale },
2335 "use fixed quality scale (VBR)", "q" },
2336 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_profile },
2337 "set profile", "profile" },
2338 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(filters) },
2339 "set stream filterchain", "filter_list" },
2340 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
2341 "create a complex filtergraph", "graph_description" },
2342 { "stats", OPT_BOOL, { &print_stats },
2343 "print progress report during encoding", },
2344 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT, { .func_arg = opt_attach },
2345 "add an attachment to the output file", "filename" },
2346 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |OPT_EXPERT,{ .off = OFFSET(dump_attachment) },
2347 "extract an attachment into a file", "filename" },
2348 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
2349 "print timestamp debugging info" },
2352 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_frames },
2353 "set the number of video frames to record", "number" },
2354 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(frame_rates) },
2355 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2356 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC,{ .off = OFFSET(frame_sizes) },
2357 "set frame size (WxH or abbreviation)", "size" },
2358 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(frame_aspect_ratios) },
2359 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2360 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(frame_pix_fmts) },
2361 "set pixel format", "format" },
2362 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
2363 "set the number of bits per raw sample", "number" },
2364 { "croptop", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2365 "Removed, use the crop filter instead", "size" },
2366 { "cropbottom", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2367 "Removed, use the crop filter instead", "size" },
2368 { "cropleft", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2369 "Removed, use the crop filter instead", "size" },
2370 { "cropright", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2371 "Removed, use the crop filter instead", "size" },
2372 { "padtop", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2373 "Removed, use the pad filter instead", "size" },
2374 { "padbottom", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2375 "Removed, use the pad filter instead", "size" },
2376 { "padleft", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2377 "Removed, use the pad filter instead", "size" },
2378 { "padright", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2379 "Removed, use the pad filter instead", "size" },
2380 { "padcolor", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2381 "Removed, use the pad filter instead", "color" },
2382 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
2383 "deprecated use -g 1" },
2384 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET, { .off = OFFSET(video_disable) },
2386 { "vdt", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &video_discard },
2387 "discard threshold", "n" },
2388 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(rc_overrides) },
2389 "rate control override for specific intervals", "override" },
2390 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_codec },
2391 "force video codec ('copy' to copy stream)", "codec" },
2392 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_timecode },
2393 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
2394 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT, { .off = OFFSET(pass) },
2395 "select the pass number (1 to 3)", "n" },
2396 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(passlogfiles) },
2397 "select two pass log file name prefix", "prefix" },
2398 { "deinterlace", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_deinterlace },
2399 "this option is deprecated, use the yadif filter instead" },
2400 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
2401 "calculate PSNR of compressed frames" },
2402 { "vstats", OPT_VIDEO | OPT_EXPERT , { &opt_vstats },
2403 "dump video coding statistics to file" },
2404 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { opt_vstats_file },
2405 "dump video coding statistics to file", "file" },
2406 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_filters },
2407 "video filters", "filter list" },
2408 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(intra_matrices) },
2409 "specify intra matrix coeffs", "matrix" },
2410 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(inter_matrices) },
2411 "specify inter matrix coeffs", "matrix" },
2412 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC, { .off = OFFSET(top_field_first) },
2413 "top=1/bottom=0/auto=-1 field first", "" },
2414 { "dc", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &intra_dc_precision },
2415 "intra_dc_precision", "precision" },
2416 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_old2new },
2417 "force video tag/fourcc", "fourcc/tag" },
2418 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
2419 "show QP histogram" },
2420 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(force_fps) },
2421 "force the selected framerate, disable the best supported framerate selection" },
2422 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_streamid },
2423 "set the value of an outfile streamid", "streamIndex:value" },
2424 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_SPEC,
2425 { .off = OFFSET(forced_key_frames) },
2426 "force key frames at specified timestamps", "timestamps" },
2427 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_bitrate },
2428 "video bitrate (please use -b:v)", "bitrate" },
2431 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_frames },
2432 "set the number of audio frames to record", "number" },
2433 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_qscale },
2434 "set audio quality (codec-specific)", "quality", },
2435 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC, { .off = OFFSET(audio_sample_rate) },
2436 "set audio sampling rate (in Hz)", "rate" },
2437 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC, { .off = OFFSET(audio_channels) },
2438 "set number of audio channels", "channels" },
2439 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET, { .off = OFFSET(audio_disable) },
2441 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_codec },
2442 "force audio codec ('copy' to copy stream)", "codec" },
2443 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_old2new },
2444 "force audio tag/fourcc", "fourcc/tag" },
2445 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
2446 "change audio volume (256=normal)" , "volume" },
2447 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_STRING, { .off = OFFSET(sample_fmts) },
2448 "set sample format", "format" },
2449 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_channel_layout },
2450 "set channel layout", "layout" },
2451 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_filters },
2452 "audio filters", "filter list" },
2454 /* subtitle options */
2455 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET, { .off = OFFSET(subtitle_disable) },
2456 "disable subtitle" },
2457 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE, { .func_arg = opt_subtitle_codec },
2458 "force subtitle codec ('copy' to copy stream)", "codec" },
2459 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_old2new }
2460 , "force subtitle tag/fourcc", "fourcc/tag" },
2461 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC, { .off = OFFSET(fix_sub_duration) },
2462 "fix subtitles duration" },
2465 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
2466 "deprecated, use -channel", "channel" },
2467 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
2468 "deprecated, use -standard", "standard" },
2469 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
2472 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(mux_max_delay) },
2473 "set the maximum demux-decode delay", "seconds" },
2474 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(mux_preload) },
2475 "set the initial demux-decode delay", "seconds" },
2477 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT, { .off = OFFSET(bitstream_filters) },
2478 "A comma-separated list of bitstream filters", "bitstream_filters" },
2479 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_old2new },
2480 "deprecated", "audio bitstream_filters" },
2481 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_old2new },
2482 "deprecated", "video bitstream_filters" },
2484 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2485 "set the audio options to the indicated preset", "preset" },
2486 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2487 "set the video options to the indicated preset", "preset" },
2488 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2489 "set the subtitle options to the indicated preset", "preset" },
2490 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2491 "set options from indicated preset file", "filename" },
2492 /* data codec support */
2493 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT, { .func_arg = opt_data_codec },
2494 "force data codec ('copy' to copy stream)", "codec" },
2495 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, { .off = OFFSET(data_disable) },
2498 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, { .func_arg = opt_default },
2499 "generic catch all option", "" },