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;
87 int stdin_interaction = 1;
88 int frame_bits_per_raw_sample = 0;
91 static int intra_only = 0;
92 static int file_overwrite = 0;
93 static int no_file_overwrite = 0;
94 static int video_discard = 0;
95 static int intra_dc_precision = 8;
96 static int do_psnr = 0;
97 static int input_sync;
99 void reset_options(OptionsContext *o, int is_input)
101 const OptionDef *po = options;
102 OptionsContext bak= *o;
105 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
107 void *dst = (uint8_t*)o + po->u.off;
109 if (po->flags & OPT_SPEC) {
110 SpecifierOpt **so = dst;
111 int i, *count = (int*)(so + 1);
112 for (i = 0; i < *count; i++) {
113 av_freep(&(*so)[i].specifier);
114 if (po->flags & OPT_STRING)
115 av_freep(&(*so)[i].u.str);
119 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
124 for (i = 0; i < o->nb_stream_maps; i++)
125 av_freep(&o->stream_maps[i].linklabel);
126 av_freep(&o->stream_maps);
127 av_freep(&o->audio_channel_maps);
128 av_freep(&o->streamid_map);
130 memset(o, 0, sizeof(*o));
133 o->recording_time = bak.recording_time;
134 if (o->recording_time != INT64_MAX)
135 av_log(NULL, AV_LOG_WARNING,
136 "-t is not an input option, keeping it for the next output;"
137 " consider fixing your command line.\n");
139 o->recording_time = INT64_MAX;
140 o->mux_max_delay = 0.7;
141 o->limit_filesize = UINT64_MAX;
142 o->chapters_input_file = INT_MAX;
149 static int opt_frame_crop(void *optctx, const char *opt, const char *arg)
151 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
152 return AVERROR(EINVAL);
155 static int opt_pad(void *optctx, const char *opt, const char *arg)
157 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
161 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
163 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
164 return opt_default(optctx, "channel", arg);
167 static int opt_video_standard(void *optctx, const char *opt, const char *arg)
169 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
170 return opt_default(optctx, "standard", arg);
173 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
175 OptionsContext *o = optctx;
176 return parse_option(o, "codec:a", arg, options);
179 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
181 OptionsContext *o = optctx;
182 return parse_option(o, "codec:v", arg, options);
185 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
187 OptionsContext *o = optctx;
188 return parse_option(o, "codec:s", arg, options);
191 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
193 OptionsContext *o = optctx;
194 return parse_option(o, "codec:d", arg, options);
197 static int opt_map(void *optctx, const char *opt, const char *arg)
199 OptionsContext *o = optctx;
201 int i, negative = 0, file_idx;
202 int sync_file_idx = -1, sync_stream_idx = 0;
210 map = av_strdup(arg);
212 /* parse sync stream first, just pick first matching stream */
213 if (sync = strchr(map, ',')) {
215 sync_file_idx = strtol(sync + 1, &sync, 0);
216 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
217 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
222 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
223 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
224 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
228 if (i == input_files[sync_file_idx]->nb_streams) {
229 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
230 "match any streams.\n", arg);
237 /* this mapping refers to lavfi output */
238 const char *c = map + 1;
239 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
240 &o->nb_stream_maps, o->nb_stream_maps + 1);
241 m = &o->stream_maps[o->nb_stream_maps - 1];
242 m->linklabel = av_get_token(&c, "]");
244 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
248 file_idx = strtol(map, &p, 0);
249 if (file_idx >= nb_input_files || file_idx < 0) {
250 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
254 /* disable some already defined maps */
255 for (i = 0; i < o->nb_stream_maps; i++) {
256 m = &o->stream_maps[i];
257 if (file_idx == m->file_index &&
258 check_stream_specifier(input_files[m->file_index]->ctx,
259 input_files[m->file_index]->ctx->streams[m->stream_index],
260 *p == ':' ? p + 1 : p) > 0)
264 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
265 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
266 *p == ':' ? p + 1 : p) <= 0)
268 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
269 &o->nb_stream_maps, o->nb_stream_maps + 1);
270 m = &o->stream_maps[o->nb_stream_maps - 1];
272 m->file_index = file_idx;
275 if (sync_file_idx >= 0) {
276 m->sync_file_index = sync_file_idx;
277 m->sync_stream_index = sync_stream_idx;
279 m->sync_file_index = file_idx;
280 m->sync_stream_index = i;
286 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
294 static int opt_attach(void *optctx, const char *opt, const char *arg)
296 OptionsContext *o = optctx;
297 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
298 &o->nb_attachments, o->nb_attachments + 1);
299 o->attachments[o->nb_attachments - 1] = arg;
303 static int opt_map_channel(void *optctx, const char *opt, const char *arg)
305 OptionsContext *o = optctx;
310 o->audio_channel_maps =
311 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
312 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
313 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
315 /* muted channel syntax */
316 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
317 if ((n == 1 || n == 3) && m->channel_idx == -1) {
318 m->file_idx = m->stream_idx = -1;
320 m->ofile_idx = m->ostream_idx = -1;
325 n = sscanf(arg, "%d.%d.%d:%d.%d",
326 &m->file_idx, &m->stream_idx, &m->channel_idx,
327 &m->ofile_idx, &m->ostream_idx);
329 if (n != 3 && n != 5) {
330 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
331 "[file.stream.channel|-1][:syncfile:syncstream]\n");
335 if (n != 5) // only file.stream.channel specified
336 m->ofile_idx = m->ostream_idx = -1;
339 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
340 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
344 if (m->stream_idx < 0 ||
345 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
346 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
347 m->file_idx, m->stream_idx);
350 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
351 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
352 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
353 m->file_idx, m->stream_idx);
356 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
357 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
358 m->file_idx, m->stream_idx, m->channel_idx);
365 * Parse a metadata specifier in arg.
366 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
367 * @param index for type c/p, chapter/program index is written here
368 * @param stream_spec for type s, the stream specifier is written here
370 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
378 if (*(++arg) && *arg != ':') {
379 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
382 *stream_spec = *arg == ':' ? arg + 1 : "";
387 *index = strtol(++arg, NULL, 0);
390 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
397 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
399 AVDictionary **meta_in = NULL;
400 AVDictionary **meta_out = NULL;
402 char type_in, type_out;
403 const char *istream_spec = NULL, *ostream_spec = NULL;
404 int idx_in = 0, idx_out = 0;
406 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
407 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
410 if (type_out == 'g' || !*outspec)
411 o->metadata_global_manual = 1;
412 if (type_out == 's' || !*outspec)
413 o->metadata_streams_manual = 1;
414 if (type_out == 'c' || !*outspec)
415 o->metadata_chapters_manual = 1;
419 if (type_in == 'g' || type_out == 'g')
420 o->metadata_global_manual = 1;
421 if (type_in == 's' || type_out == 's')
422 o->metadata_streams_manual = 1;
423 if (type_in == 'c' || type_out == 'c')
424 o->metadata_chapters_manual = 1;
426 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
427 if ((index) < 0 || (index) >= (nb_elems)) {\
428 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
433 #define SET_DICT(type, meta, context, index)\
436 meta = &context->metadata;\
439 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
440 meta = &context->chapters[index]->metadata;\
443 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
444 meta = &context->programs[index]->metadata;\
446 default: av_assert0(0);\
451 SET_DICT(type_in, meta_in, ic, idx_in);
452 SET_DICT(type_out, meta_out, oc, idx_out);
454 /* for input streams choose first matching stream */
455 if (type_in == 's') {
456 for (i = 0; i < ic->nb_streams; i++) {
457 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
458 meta_in = &ic->streams[i]->metadata;
464 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
469 if (type_out == 's') {
470 for (i = 0; i < oc->nb_streams; i++) {
471 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
472 meta_out = &oc->streams[i]->metadata;
473 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
478 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
483 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
485 OptionsContext *o = optctx;
487 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
488 struct tm time = *gmtime((time_t*)&recording_timestamp);
489 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
490 parse_option(o, "metadata", buf, options);
492 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
493 "tag instead.\n", opt);
497 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
499 const AVCodecDescriptor *desc;
500 const char *codec_string = encoder ? "encoder" : "decoder";
504 avcodec_find_encoder_by_name(name) :
505 avcodec_find_decoder_by_name(name);
507 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
508 codec = encoder ? avcodec_find_encoder(desc->id) :
509 avcodec_find_decoder(desc->id);
511 av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
512 codec_string, codec->name, desc->name);
516 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
519 if (codec->type != type) {
520 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
526 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
528 char *codec_name = NULL;
530 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
532 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
533 st->codec->codec_id = codec->id;
536 return avcodec_find_decoder(st->codec->codec_id);
540 * Add all the streams from the given input file to the global
541 * list of input streams.
543 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
546 char *next, *codec_tag = NULL;
548 for (i = 0; i < ic->nb_streams; i++) {
549 AVStream *st = ic->streams[i];
550 AVCodecContext *dec = st->codec;
551 InputStream *ist = av_mallocz(sizeof(*ist));
552 char *framerate = NULL;
557 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
558 input_streams[nb_input_streams - 1] = ist;
561 ist->file_index = nb_input_files;
563 st->discard = AVDISCARD_ALL;
564 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, choose_decoder(o, ic, st));
567 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
569 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
571 uint32_t tag = strtol(codec_tag, &next, 0);
573 tag = AV_RL32(codec_tag);
574 st->codec->codec_tag = tag;
577 ist->dec = choose_decoder(o, ic, st);
579 switch (dec->codec_type) {
580 case AVMEDIA_TYPE_VIDEO:
582 ist->dec = avcodec_find_decoder(dec->codec_id);
584 dec->flags |= CODEC_FLAG_EMU_EDGE;
587 ist->resample_height = dec->height;
588 ist->resample_width = dec->width;
589 ist->resample_pix_fmt = dec->pix_fmt;
591 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
592 if (framerate && av_parse_video_rate(&ist->framerate,
594 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
599 ist->top_field_first = -1;
600 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
603 case AVMEDIA_TYPE_AUDIO:
604 guess_input_channel_layout(ist);
606 ist->resample_sample_fmt = dec->sample_fmt;
607 ist->resample_sample_rate = dec->sample_rate;
608 ist->resample_channels = dec->channels;
609 ist->resample_channel_layout = dec->channel_layout;
612 case AVMEDIA_TYPE_DATA:
613 case AVMEDIA_TYPE_SUBTITLE:
615 ist->dec = avcodec_find_decoder(dec->codec_id);
616 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
618 case AVMEDIA_TYPE_ATTACHMENT:
619 case AVMEDIA_TYPE_UNKNOWN:
627 static void assert_file_overwrite(const char *filename)
629 if ((!file_overwrite || no_file_overwrite) &&
630 (strchr(filename, ':') == NULL || filename[1] == ':' ||
631 av_strstart(filename, "file:", NULL))) {
632 if (avio_check(filename, 0) == 0) {
633 if (stdin_interaction && (!no_file_overwrite || file_overwrite)) {
634 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
637 signal(SIGINT, SIG_DFL);
639 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
645 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
652 static void dump_attachment(AVStream *st, const char *filename)
655 AVIOContext *out = NULL;
656 AVDictionaryEntry *e;
658 if (!st->codec->extradata_size) {
659 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
660 nb_input_files - 1, st->index);
663 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
666 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
667 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
671 assert_file_overwrite(filename);
673 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
674 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
679 avio_write(out, st->codec->extradata, st->codec->extradata_size);
684 static int opt_input_file(void *optctx, const char *opt, const char *filename)
686 OptionsContext *o = optctx;
688 AVInputFormat *file_iformat = NULL;
693 int orig_nb_streams; // number of streams before avformat_find_stream_info
694 char * video_codec_name = NULL;
695 char * audio_codec_name = NULL;
696 char *subtitle_codec_name = NULL;
699 if (!(file_iformat = av_find_input_format(o->format))) {
700 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
705 if (!strcmp(filename, "-"))
708 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
709 strcmp(filename, "/dev/stdin");
711 /* get default parameters from command line */
712 ic = avformat_alloc_context();
714 print_error(filename, AVERROR(ENOMEM));
717 if (o->nb_audio_sample_rate) {
718 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
719 av_dict_set(&format_opts, "sample_rate", buf, 0);
721 if (o->nb_audio_channels) {
722 /* because we set audio_channels based on both the "ac" and
723 * "channel_layout" options, we need to check that the specified
724 * demuxer actually has the "channels" option before setting it */
725 if (file_iformat && file_iformat->priv_class &&
726 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
727 AV_OPT_SEARCH_FAKE_OBJ)) {
728 snprintf(buf, sizeof(buf), "%d",
729 o->audio_channels[o->nb_audio_channels - 1].u.i);
730 av_dict_set(&format_opts, "channels", buf, 0);
733 if (o->nb_frame_rates) {
734 /* set the format-level framerate option;
735 * this is important for video grabbers, e.g. x11 */
736 if (file_iformat && file_iformat->priv_class &&
737 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
738 AV_OPT_SEARCH_FAKE_OBJ)) {
739 av_dict_set(&format_opts, "framerate",
740 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
743 if (o->nb_frame_sizes) {
744 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
746 if (o->nb_frame_pix_fmts)
747 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
749 MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
750 MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
751 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
753 ic->video_codec_id = video_codec_name ?
754 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
755 ic->audio_codec_id = audio_codec_name ?
756 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
757 ic->subtitle_codec_id= subtitle_codec_name ?
758 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
759 ic->flags |= AVFMT_FLAG_NONBLOCK;
760 ic->interrupt_callback = int_cb;
762 /* open the input file with generic avformat function */
763 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
765 print_error(filename, err);
768 assert_avoptions(format_opts);
770 /* apply forced codec ids */
771 for (i = 0; i < ic->nb_streams; i++)
772 choose_decoder(o, ic, ic->streams[i]);
774 /* Set AVCodecContext options for avformat_find_stream_info */
775 opts = setup_find_stream_info_opts(ic, codec_opts);
776 orig_nb_streams = ic->nb_streams;
778 /* If not enough info to get the stream parameters, we decode the
779 first frames to get it. (used in mpeg case for example) */
780 ret = avformat_find_stream_info(ic, opts);
782 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
783 avformat_close_input(&ic);
787 timestamp = o->start_time;
788 /* add the stream start time */
789 if (ic->start_time != AV_NOPTS_VALUE)
790 timestamp += ic->start_time;
792 /* if seeking requested, we execute it */
793 if (o->start_time != 0) {
794 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
796 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
797 filename, (double)timestamp / AV_TIME_BASE);
801 /* update the current parameters so that they match the one of the input stream */
802 add_input_streams(o, ic);
804 /* dump the file content */
805 av_dump_format(ic, nb_input_files, filename, 0);
807 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
808 if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
811 input_files[nb_input_files - 1]->ctx = ic;
812 input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams;
813 input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
814 input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
815 input_files[nb_input_files - 1]->rate_emu = o->rate_emu;
817 for (i = 0; i < o->nb_dump_attachment; i++) {
820 for (j = 0; j < ic->nb_streams; j++) {
821 AVStream *st = ic->streams[j];
823 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
824 dump_attachment(st, o->dump_attachment[i].u.str);
828 for (i = 0; i < orig_nb_streams; i++)
829 av_dict_free(&opts[i]);
836 static uint8_t *get_line(AVIOContext *s)
842 if (avio_open_dyn_buf(&line) < 0) {
843 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
847 while ((c = avio_r8(s)) && c != '\n')
850 avio_close_dyn_buf(line, &buf);
855 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
859 const char *base[3] = { getenv("AVCONV_DATADIR"),
864 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
868 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
869 i != 1 ? "" : "/.avconv", codec_name, preset_name);
870 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
873 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
874 i != 1 ? "" : "/.avconv", preset_name);
875 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
881 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
883 char *codec_name = NULL;
885 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
887 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
888 NULL, ost->st->codec->codec_type);
889 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
890 } else if (!strcmp(codec_name, "copy"))
891 ost->stream_copy = 1;
893 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
894 ost->st->codec->codec_id = ost->enc->id;
898 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
901 AVStream *st = avformat_new_stream(oc, NULL);
902 int idx = oc->nb_streams - 1, ret = 0;
903 char *bsf = NULL, *next, *codec_tag = NULL;
904 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
906 char *buf = NULL, *arg = NULL, *preset = NULL;
907 AVIOContext *s = NULL;
910 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
914 if (oc->nb_streams - 1 < o->nb_streamid_map)
915 st->id = o->streamid_map[oc->nb_streams - 1];
917 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
918 nb_output_streams + 1);
919 if (!(ost = av_mallocz(sizeof(*ost))))
921 output_streams[nb_output_streams - 1] = ost;
923 ost->file_index = nb_output_files;
926 st->codec->codec_type = type;
927 choose_encoder(o, oc, ost);
929 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
932 avcodec_get_context_defaults3(st->codec, ost->enc);
933 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
935 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
936 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
939 if (!buf[0] || buf[0] == '#') {
943 if (!(arg = strchr(buf, '='))) {
944 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
948 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
950 } while (!s->eof_reached);
954 av_log(NULL, AV_LOG_FATAL,
955 "Preset %s specified for stream %d:%d, but could not be opened.\n",
956 preset, ost->file_index, ost->index);
960 ost->max_frames = INT64_MAX;
961 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
963 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
965 if (next = strchr(bsf, ','))
967 if (!(bsfc = av_bitstream_filter_init(bsf))) {
968 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
972 bsfc_prev->next = bsfc;
974 ost->bitstream_filters = bsfc;
980 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
982 uint32_t tag = strtol(codec_tag, &next, 0);
984 tag = AV_RL32(codec_tag);
985 st->codec->codec_tag = tag;
988 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
989 if (qscale >= 0 || same_quant) {
990 st->codec->flags |= CODEC_FLAG_QSCALE;
991 st->codec->global_quality = FF_QP2LAMBDA * qscale;
994 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
995 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
997 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
998 av_opt_get_int (swr_opts, "dither_method", 0, &ost->swr_dither_method);
999 av_opt_get_double(swr_opts, "dither_scale" , 0, &ost->swr_dither_scale);
1001 ost->source_index = source_index;
1002 if (source_index >= 0) {
1003 ost->sync_ist = input_streams[source_index];
1004 input_streams[source_index]->discard = 0;
1005 input_streams[source_index]->st->discard = AVDISCARD_NONE;
1011 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1014 const char *p = str;
1021 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1028 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1032 AVCodecContext *video_enc;
1033 char *frame_rate = NULL;
1035 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1037 video_enc = st->codec;
1039 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1040 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1041 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1045 if (!ost->stream_copy) {
1046 const char *p = NULL;
1047 char *frame_size = NULL;
1048 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
1049 char *intra_matrix = NULL, *inter_matrix = NULL;
1050 const char *filters = "null";
1054 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1055 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1056 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1060 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1061 if (frame_aspect_ratio) {
1063 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1064 q.num <= 0 || q.den <= 0) {
1065 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1068 ost->frame_aspect_ratio = av_q2d(q);
1071 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1072 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1073 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1074 ost->keep_pix_fmt = 1;
1075 if (!*++frame_pix_fmt)
1076 frame_pix_fmt = NULL;
1078 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
1079 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1082 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1085 video_enc->gop_size = 0;
1086 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1088 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1089 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1092 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1094 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1096 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1097 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1100 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1103 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1104 for (i = 0; p; i++) {
1106 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1108 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1111 /* FIXME realloc failure */
1112 video_enc->rc_override =
1113 av_realloc(video_enc->rc_override,
1114 sizeof(RcOverride) * (i + 1));
1115 video_enc->rc_override[i].start_frame = start;
1116 video_enc->rc_override[i].end_frame = end;
1118 video_enc->rc_override[i].qscale = q;
1119 video_enc->rc_override[i].quality_factor = 1.0;
1122 video_enc->rc_override[i].qscale = 0;
1123 video_enc->rc_override[i].quality_factor = -q/100.0;
1128 video_enc->rc_override_count = i;
1129 if (!video_enc->rc_initial_buffer_occupancy)
1130 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
1131 video_enc->intra_dc_precision = intra_dc_precision - 8;
1134 video_enc->flags|= CODEC_FLAG_PSNR;
1137 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1140 video_enc->flags |= CODEC_FLAG_PASS1;
1143 video_enc->flags |= CODEC_FLAG_PASS2;
1147 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1148 if (ost->logfile_prefix &&
1149 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1152 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1153 if (ost->forced_keyframes)
1154 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1156 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1158 ost->top_field_first = -1;
1159 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1161 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
1162 ost->avfilter = av_strdup(filters);
1164 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1170 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1175 AVCodecContext *audio_enc;
1177 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1180 audio_enc = st->codec;
1181 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1183 if (!ost->stream_copy) {
1184 char *sample_fmt = NULL;
1185 const char *filters = "anull";
1187 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1189 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1191 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1192 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1196 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1198 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
1200 av_assert1(filters);
1201 ost->avfilter = av_strdup(filters);
1203 /* check for channel mapping for this audio stream */
1204 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1205 AudioChannelMap *map = &o->audio_channel_maps[n];
1206 InputStream *ist = input_streams[ost->source_index];
1207 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
1208 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1209 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1210 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
1211 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1213 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
1214 ost->file_index, ost->st->index);
1222 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1226 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1227 if (!ost->stream_copy) {
1228 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1235 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1237 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1238 ost->stream_copy = 1;
1242 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1246 AVCodecContext *subtitle_enc;
1248 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1250 subtitle_enc = st->codec;
1252 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1254 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1256 if (!ost->stream_copy) {
1257 char *frame_size = NULL;
1259 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1260 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1261 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1269 /* arg format is "output-stream-index:streamid-value". */
1270 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1272 OptionsContext *o = optctx;
1277 av_strlcpy(idx_str, arg, sizeof(idx_str));
1278 p = strchr(idx_str, ':');
1280 av_log(NULL, AV_LOG_FATAL,
1281 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1286 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1287 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1288 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1292 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1294 AVFormatContext *is = ifile->ctx;
1295 AVFormatContext *os = ofile->ctx;
1298 for (i = 0; i < is->nb_chapters; i++) {
1299 AVChapter *in_ch = is->chapters[i], *out_ch;
1300 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
1301 AV_TIME_BASE_Q, in_ch->time_base);
1302 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1303 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1306 if (in_ch->end < ts_off)
1308 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1311 out_ch = av_mallocz(sizeof(AVChapter));
1313 return AVERROR(ENOMEM);
1315 out_ch->id = in_ch->id;
1316 out_ch->time_base = in_ch->time_base;
1317 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1318 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1321 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1324 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
1326 return AVERROR(ENOMEM);
1327 os->chapters[os->nb_chapters - 1] = out_ch;
1332 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1335 AVFormatContext *ic = avformat_alloc_context();
1337 ic->interrupt_callback = int_cb;
1338 err = avformat_open_input(&ic, filename, NULL, NULL);
1341 /* copy stream format */
1342 for(i=0;i<ic->nb_streams;i++) {
1346 AVCodecContext *avctx;
1348 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
1349 ost = new_output_stream(o, s, codec->type, -1);
1354 // FIXME: a more elegant solution is needed
1355 memcpy(st, ic->streams[i], sizeof(AVStream));
1357 st->info = av_malloc(sizeof(*st->info));
1358 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
1360 avcodec_copy_context(st->codec, ic->streams[i]->codec);
1362 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1363 choose_sample_fmt(st, codec);
1364 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1365 choose_pixel_fmt(st, codec, st->codec->pix_fmt);
1368 avformat_close_input(&ic);
1372 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1373 AVFormatContext *oc)
1377 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1378 ofilter->out_tmp->pad_idx)) {
1379 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1380 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1382 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1387 ost->source_index = -1;
1388 ost->filter = ofilter;
1392 if (ost->stream_copy) {
1393 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1394 "which is fed from a complex filtergraph. Filtering and streamcopy "
1395 "cannot be used together.\n", ost->file_index, ost->index);
1399 if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
1400 av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
1403 avfilter_inout_free(&ofilter->out_tmp);
1406 static int configure_complex_filters(void)
1410 for (i = 0; i < nb_filtergraphs; i++)
1411 if (!filtergraphs[i]->graph &&
1412 (ret = configure_filtergraph(filtergraphs[i])) < 0)
1417 void opt_output_file(void *optctx, const char *filename)
1419 OptionsContext *o = optctx;
1420 AVFormatContext *oc;
1422 AVOutputFormat *file_oformat;
1426 if (configure_complex_filters() < 0) {
1427 av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
1431 if (!strcmp(filename, "-"))
1434 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
1436 print_error(filename, err);
1439 file_oformat= oc->oformat;
1440 oc->interrupt_callback = int_cb;
1442 /* create streams for all unlabeled output pads */
1443 for (i = 0; i < nb_filtergraphs; i++) {
1444 FilterGraph *fg = filtergraphs[i];
1445 for (j = 0; j < fg->nb_outputs; j++) {
1446 OutputFilter *ofilter = fg->outputs[j];
1448 if (!ofilter->out_tmp || ofilter->out_tmp->name)
1451 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1452 ofilter->out_tmp->pad_idx)) {
1453 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
1454 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
1455 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
1457 init_output_filter(ofilter, o, oc);
1461 if (!strcmp(file_oformat->name, "ffm") &&
1462 av_strstart(filename, "http:", NULL)) {
1464 /* special case for files sent to ffserver: we get the stream
1465 parameters from ffserver */
1466 int err = read_ffserver_streams(o, oc, filename);
1468 print_error(filename, err);
1471 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
1472 ost = output_streams[j];
1473 for (i = 0; i < nb_input_streams; i++) {
1474 ist = input_streams[i];
1475 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
1477 ost->source_index= i;
1478 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
1479 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
1481 ist->st->discard = AVDISCARD_NONE;
1486 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));
1490 } else if (!o->nb_stream_maps) {
1491 char *subtitle_codec_name = NULL;
1492 /* pick the "best" stream of each type */
1494 /* video: highest resolution */
1495 if (!o->video_disable && oc->oformat->video_codec != AV_CODEC_ID_NONE) {
1496 int area = 0, idx = -1;
1497 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
1498 for (i = 0; i < nb_input_streams; i++) {
1499 ist = input_streams[i];
1500 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1501 ist->st->codec->width * ist->st->codec->height > area) {
1502 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
1504 area = ist->st->codec->width * ist->st->codec->height;
1509 new_video_stream(o, oc, idx);
1512 /* audio: most channels */
1513 if (!o->audio_disable && oc->oformat->audio_codec != AV_CODEC_ID_NONE) {
1514 int channels = 0, idx = -1;
1515 for (i = 0; i < nb_input_streams; i++) {
1516 ist = input_streams[i];
1517 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
1518 ist->st->codec->channels > channels) {
1519 channels = ist->st->codec->channels;
1524 new_audio_stream(o, oc, idx);
1527 /* subtitles: pick first */
1528 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
1529 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != AV_CODEC_ID_NONE || subtitle_codec_name)) {
1530 for (i = 0; i < nb_input_streams; i++)
1531 if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1532 new_subtitle_stream(o, oc, i);
1536 /* do something with data? */
1538 for (i = 0; i < o->nb_stream_maps; i++) {
1539 StreamMap *map = &o->stream_maps[i];
1540 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
1545 if (map->linklabel) {
1547 OutputFilter *ofilter = NULL;
1550 for (j = 0; j < nb_filtergraphs; j++) {
1551 fg = filtergraphs[j];
1552 for (k = 0; k < fg->nb_outputs; k++) {
1553 AVFilterInOut *out = fg->outputs[k]->out_tmp;
1554 if (out && !strcmp(out->name, map->linklabel)) {
1555 ofilter = fg->outputs[k];
1562 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
1563 "in any defined filter graph.\n", map->linklabel);
1566 init_output_filter(ofilter, o, oc);
1568 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
1569 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
1571 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1573 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1575 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
1578 switch (ist->st->codec->codec_type) {
1579 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
1580 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
1581 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
1582 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
1583 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
1585 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
1586 map->file_index, map->stream_index);
1594 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
1595 AVDictionaryEntry *e;
1596 ost = output_streams[i];
1598 if ( ost->stream_copy
1599 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
1600 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
1601 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
1605 /* handle attached files */
1606 for (i = 0; i < o->nb_attachments; i++) {
1608 uint8_t *attachment;
1612 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
1613 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
1617 if ((len = avio_size(pb)) <= 0) {
1618 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
1622 if (!(attachment = av_malloc(len))) {
1623 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
1627 avio_read(pb, attachment, len);
1629 ost = new_attachment_stream(o, oc, -1);
1630 ost->stream_copy = 0;
1631 ost->attachment_filename = o->attachments[i];
1632 ost->st->codec->extradata = attachment;
1633 ost->st->codec->extradata_size = len;
1635 p = strrchr(o->attachments[i], '/');
1636 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
1640 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
1641 if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
1644 output_files[nb_output_files - 1]->ctx = oc;
1645 output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams;
1646 output_files[nb_output_files - 1]->recording_time = o->recording_time;
1647 if (o->recording_time != INT64_MAX)
1648 oc->duration = o->recording_time;
1649 output_files[nb_output_files - 1]->start_time = o->start_time;
1650 output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
1651 output_files[nb_output_files - 1]->shortest = o->shortest;
1652 av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
1654 /* check filename in case of an image number is expected */
1655 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
1656 if (!av_filename_number_test(oc->filename)) {
1657 print_error(oc->filename, AVERROR(EINVAL));
1662 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
1663 /* test if it already exists to avoid losing precious files */
1664 assert_file_overwrite(filename);
1667 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
1668 &oc->interrupt_callback,
1669 &output_files[nb_output_files - 1]->opts)) < 0) {
1670 print_error(filename, err);
1675 if (o->mux_preload) {
1677 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
1678 av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
1680 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
1683 for (i = 0; i < o->nb_metadata_map; i++) {
1685 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
1687 if (in_file_index >= nb_input_files) {
1688 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
1691 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index]->ctx : NULL, o);
1695 if (o->chapters_input_file >= nb_input_files) {
1696 if (o->chapters_input_file == INT_MAX) {
1697 /* copy chapters from the first input file that has them*/
1698 o->chapters_input_file = -1;
1699 for (i = 0; i < nb_input_files; i++)
1700 if (input_files[i]->ctx->nb_chapters) {
1701 o->chapters_input_file = i;
1705 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
1706 o->chapters_input_file);
1710 if (o->chapters_input_file >= 0)
1711 copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
1712 !o->metadata_chapters_manual);
1714 /* copy global metadata by default */
1715 if (!o->metadata_global_manual && nb_input_files){
1716 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
1717 AV_DICT_DONT_OVERWRITE);
1718 if(o->recording_time != INT64_MAX)
1719 av_dict_set(&oc->metadata, "duration", NULL, 0);
1720 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
1722 if (!o->metadata_streams_manual)
1723 for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
1725 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
1727 ist = input_streams[output_streams[i]->source_index];
1728 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
1731 /* process manually set metadata */
1732 for (i = 0; i < o->nb_metadata; i++) {
1735 const char *stream_spec;
1736 int index = 0, j, ret = 0;
1738 val = strchr(o->metadata[i].u.str, '=');
1740 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
1741 o->metadata[i].u.str);
1746 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
1748 for (j = 0; j < oc->nb_streams; j++) {
1749 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
1750 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
1761 if (index < 0 || index >= oc->nb_chapters) {
1762 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
1765 m = &oc->chapters[index]->metadata;
1768 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
1771 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
1775 reset_options(o, 0);
1778 static int opt_target(void *optctx, const char *opt, const char *arg)
1780 OptionsContext *o = optctx;
1781 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
1782 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
1784 if (!strncmp(arg, "pal-", 4)) {
1787 } else if (!strncmp(arg, "ntsc-", 5)) {
1790 } else if (!strncmp(arg, "film-", 5)) {
1794 /* Try to determine PAL/NTSC by peeking in the input files */
1795 if (nb_input_files) {
1797 for (j = 0; j < nb_input_files; j++) {
1798 for (i = 0; i < input_files[j]->nb_streams; i++) {
1799 AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
1800 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
1802 fr = c->time_base.den * 1000 / c->time_base.num;
1806 } else if ((fr == 29970) || (fr == 23976)) {
1811 if (norm != UNKNOWN)
1815 if (norm != UNKNOWN)
1816 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
1819 if (norm == UNKNOWN) {
1820 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
1821 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
1822 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
1826 if (!strcmp(arg, "vcd")) {
1827 opt_video_codec(o, "c:v", "mpeg1video");
1828 opt_audio_codec(o, "c:a", "mp2");
1829 parse_option(o, "f", "vcd", options);
1831 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
1832 parse_option(o, "r", frame_rates[norm], options);
1833 opt_default(NULL, "g", norm == PAL ? "15" : "18");
1835 opt_default(NULL, "b:v", "1150000");
1836 opt_default(NULL, "maxrate", "1150000");
1837 opt_default(NULL, "minrate", "1150000");
1838 opt_default(NULL, "bufsize", "327680"); // 40*1024*8;
1840 opt_default(NULL, "b:a", "224000");
1841 parse_option(o, "ar", "44100", options);
1842 parse_option(o, "ac", "2", options);
1844 opt_default(NULL, "packetsize", "2324");
1845 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
1847 /* We have to offset the PTS, so that it is consistent with the SCR.
1848 SCR starts at 36000, but the first two packs contain only padding
1849 and the first pack from the other stream, respectively, may also have
1850 been written before.
1851 So the real data starts at SCR 36000+3*1200. */
1852 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
1853 } else if (!strcmp(arg, "svcd")) {
1855 opt_video_codec(o, "c:v", "mpeg2video");
1856 opt_audio_codec(o, "c:a", "mp2");
1857 parse_option(o, "f", "svcd", options);
1859 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
1860 parse_option(o, "r", frame_rates[norm], options);
1861 parse_option(o, "pix_fmt", "yuv420p", options);
1862 opt_default(NULL, "g", norm == PAL ? "15" : "18");
1864 opt_default(NULL, "b:v", "2040000");
1865 opt_default(NULL, "maxrate", "2516000");
1866 opt_default(NULL, "minrate", "0"); // 1145000;
1867 opt_default(NULL, "bufsize", "1835008"); // 224*1024*8;
1868 opt_default(NULL, "scan_offset", "1");
1870 opt_default(NULL, "b:a", "224000");
1871 parse_option(o, "ar", "44100", options);
1873 opt_default(NULL, "packetsize", "2324");
1875 } else if (!strcmp(arg, "dvd")) {
1877 opt_video_codec(o, "c:v", "mpeg2video");
1878 opt_audio_codec(o, "c:a", "ac3");
1879 parse_option(o, "f", "dvd", options);
1881 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
1882 parse_option(o, "r", frame_rates[norm], options);
1883 parse_option(o, "pix_fmt", "yuv420p", options);
1884 opt_default(NULL, "g", norm == PAL ? "15" : "18");
1886 opt_default(NULL, "b:v", "6000000");
1887 opt_default(NULL, "maxrate", "9000000");
1888 opt_default(NULL, "minrate", "0"); // 1500000;
1889 opt_default(NULL, "bufsize", "1835008"); // 224*1024*8;
1891 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
1892 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
1894 opt_default(NULL, "b:a", "448000");
1895 parse_option(o, "ar", "48000", options);
1897 } else if (!strncmp(arg, "dv", 2)) {
1899 parse_option(o, "f", "dv", options);
1901 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
1902 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
1903 norm == PAL ? "yuv420p" : "yuv411p", options);
1904 parse_option(o, "r", frame_rates[norm], options);
1906 parse_option(o, "ar", "48000", options);
1907 parse_option(o, "ac", "2", options);
1910 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
1911 return AVERROR(EINVAL);
1916 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
1918 av_free (vstats_filename);
1919 vstats_filename = av_strdup (arg);
1923 static int opt_vstats(void *optctx, const char *opt, const char *arg)
1926 time_t today2 = time(NULL);
1927 struct tm *today = localtime(&today2);
1929 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
1931 return opt_vstats_file(NULL, opt, filename);
1934 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
1936 OptionsContext *o = optctx;
1937 return parse_option(o, "frames:v", arg, options);
1940 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
1942 OptionsContext *o = optctx;
1943 return parse_option(o, "frames:a", arg, options);
1946 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
1948 OptionsContext *o = optctx;
1949 return parse_option(o, "frames:d", arg, options);
1952 static int opt_preset(void *optctx, const char *opt, const char *arg)
1954 OptionsContext *o = optctx;
1956 char filename[1000], line[1000], tmp_line[1000];
1957 const char *codec_name = NULL;
1961 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
1963 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
1964 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
1965 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
1967 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
1971 while (fgets(line, sizeof(line), f)) {
1972 char *key = tmp_line, *value, *endptr;
1974 if (strcspn(line, "#\n\r") == 0)
1976 strcpy(tmp_line, line);
1977 if (!av_strtok(key, "=", &value) ||
1978 !av_strtok(value, "\r\n", &endptr)) {
1979 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
1982 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
1984 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
1985 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
1986 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
1987 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
1988 else if (opt_default(NULL, key, value) < 0) {
1989 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
1990 filename, line, key, value);
2000 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2002 OptionsContext *o = optctx;
2003 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2004 int ret = parse_option(o, s, arg, options);
2009 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2011 OptionsContext *o = optctx;
2012 if(!strcmp(opt, "b")){
2013 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2014 return parse_option(o, "b:v", arg, options);
2016 return opt_default(optctx, opt, arg);
2019 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2021 OptionsContext *o = optctx;
2024 if(!strcmp(opt, "qscale")){
2025 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2026 return parse_option(o, "q:v", arg, options);
2028 s = av_asprintf("q%s", opt + 6);
2029 ret = parse_option(o, s, arg, options);
2034 static int opt_profile(void *optctx, const char *opt, const char *arg)
2036 OptionsContext *o = optctx;
2037 if(!strcmp(opt, "profile")){
2038 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2039 return parse_option(o, "profile:v", arg, options);
2041 return opt_default(optctx, opt, arg);
2045 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2047 OptionsContext *o = optctx;
2048 return parse_option(o, "filter:v", arg, options);
2051 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
2053 OptionsContext *o = optctx;
2054 return parse_option(o, "filter:a", arg, options);
2057 static int opt_vsync(void *optctx, const char *opt, const char *arg)
2059 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2060 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
2061 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
2062 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
2064 if (video_sync_method == VSYNC_AUTO)
2065 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
2069 static int opt_deinterlace(void *optctx, const char *opt, const char *arg)
2071 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
2076 static int opt_timecode(void *optctx, const char *opt, const char *arg)
2078 OptionsContext *o = optctx;
2079 char *tcr = av_asprintf("timecode=%s", arg);
2080 int ret = parse_option(o, "metadata:g", tcr, options);
2082 ret = opt_default(optctx, "gop_timecode", arg);
2087 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
2089 OptionsContext *o = optctx;
2090 char layout_str[32];
2093 int ret, channels, ac_str_size;
2096 layout = av_get_channel_layout(arg);
2098 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
2099 return AVERROR(EINVAL);
2101 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
2102 ret = opt_default(NULL, opt, layout_str);
2106 /* set 'ac' option based on channel layout */
2107 channels = av_get_channel_layout_nb_channels(layout);
2108 snprintf(layout_str, sizeof(layout_str), "%d", channels);
2109 stream_str = strchr(opt, ':');
2110 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
2111 ac_str = av_mallocz(ac_str_size);
2113 return AVERROR(ENOMEM);
2114 av_strlcpy(ac_str, "ac", 3);
2116 av_strlcat(ac_str, stream_str, ac_str_size);
2117 ret = parse_option(o, ac_str, layout_str, options);
2123 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
2125 OptionsContext *o = optctx;
2126 return parse_option(o, "q:a", arg, options);
2129 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
2131 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
2132 &nb_filtergraphs, nb_filtergraphs + 1);
2133 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2134 return AVERROR(ENOMEM);
2135 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2136 filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
2140 void show_help_default(const char *opt, const char *arg)
2142 /* per-file options have at least one of those set */
2143 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
2144 int show_advanced = 0, show_avoptions = 0;
2147 if (!strcmp(opt, "long"))
2149 else if (!strcmp(opt, "full"))
2150 show_advanced = show_avoptions = 1;
2152 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
2157 printf("Getting help:\n"
2158 " -h -- print basic options\n"
2159 " -h long -- print more options\n"
2160 " -h full -- print all options (including all format and codec specific options, very long)\n"
2161 " See man %s for detailed description of the options.\n"
2162 "\n", program_name);
2164 show_help_options(options, "Print help / information / capabilities:",
2167 show_help_options(options, "Global options (affect whole program "
2168 "instead of just one file:",
2169 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
2171 show_help_options(options, "Advanced global options:", OPT_EXPERT,
2172 per_file | OPT_EXIT, 0);
2174 show_help_options(options, "Per-file main options:", 0,
2175 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
2176 OPT_EXIT, per_file);
2178 show_help_options(options, "Advanced per-file options:",
2179 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
2181 show_help_options(options, "Video options:",
2182 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
2184 show_help_options(options, "Advanced Video options:",
2185 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
2187 show_help_options(options, "Audio options:",
2188 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
2190 show_help_options(options, "Advanced Audio options:",
2191 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
2192 show_help_options(options, "Subtitle options:",
2193 OPT_SUBTITLE, 0, 0);
2196 if (show_avoptions) {
2197 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
2198 show_help_children(avcodec_get_class(), flags);
2199 show_help_children(avformat_get_class(), flags);
2200 show_help_children(sws_get_class(), flags);
2201 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
2202 show_help_children(avfilter_get_class(), AV_OPT_FLAG_FILTERING_PARAM);
2206 void show_usage(void)
2208 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
2209 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
2210 av_log(NULL, AV_LOG_INFO, "\n");
2214 static int opt_progress(void *optctx, const char *opt, const char *arg)
2216 AVIOContext *avio = NULL;
2219 if (!strcmp(arg, "-"))
2221 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
2223 av_log(0, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
2224 arg, av_err2str(ret));
2227 progress_avio = avio;
2231 #define OFFSET(x) offsetof(OptionsContext, x)
2232 const OptionDef options[] = {
2234 #include "cmdutils_common_opts.h"
2235 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, { .off = OFFSET(format) },
2236 "force format", "fmt" },
2237 { "i", HAS_ARG | OPT_PERFILE, { .func_arg = opt_input_file },
2238 "input file name", "filename" },
2239 { "y", OPT_BOOL, { &file_overwrite },
2240 "overwrite output files" },
2241 { "n", OPT_BOOL, { &no_file_overwrite },
2242 "do not overwrite output files" },
2243 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(codec_names) },
2244 "codec name", "codec" },
2245 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(codec_names) },
2246 "codec name", "codec" },
2247 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(presets) },
2248 "preset name", "preset" },
2249 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_map },
2250 "set input stream mapping",
2251 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
2252 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_map_channel },
2253 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
2254 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(metadata_map) },
2255 "set metadata information of outfile from infile",
2256 "outfile[,metadata]:infile[,metadata]" },
2257 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(chapters_input_file) },
2258 "set chapters mapping", "input_file_index" },
2259 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, { .off = OFFSET(recording_time) },
2260 "record or transcode \"duration\" seconds of audio/video",
2262 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, { .off = OFFSET(limit_filesize) },
2263 "set the limit file size in bytes", "limit_size" },
2264 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, { .off = OFFSET(start_time) },
2265 "set the start time offset", "time_off" },
2266 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_EXPERT,{ .off = OFFSET(input_ts_offset) },
2267 "set the input ts offset", "time_off" },
2268 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC | OPT_EXPERT,{ .off = OFFSET(ts_scale) },
2269 "set the input ts scale", "scale" },
2270 { "timestamp", HAS_ARG | OPT_PERFILE, { .func_arg = opt_recording_timestamp },
2271 "set the recording timestamp ('now' to set the current time)", "time" },
2272 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(metadata) },
2273 "add metadata", "string=string" },
2274 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT, { .func_arg = opt_data_frames },
2275 "set the number of data frames to record", "number" },
2276 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
2277 "add timings for benchmarking" },
2278 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
2279 "add timings for each task" },
2280 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
2281 "write program-readable progress information", "url" },
2282 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
2283 "enable or disable interaction on standard input" },
2284 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
2285 "set max runtime in seconds", "limit" },
2286 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
2287 "dump each input packet" },
2288 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
2289 "when dumping packets, also dump the payload" },
2290 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(rate_emu) },
2291 "read input at native frame rate", "" },
2292 { "target", HAS_ARG | OPT_PERFILE, { .func_arg = opt_target },
2293 "specify target file type (\"vcd\", \"svcd\", \"dvd\","
2294 " \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
2295 { "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync },
2296 "video sync method", "" },
2297 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
2298 "audio sync method", "" },
2299 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
2300 "audio drift threshold", "threshold" },
2301 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
2302 "copy timestamps" },
2303 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
2304 "copy input stream time base when stream copying", "mode" },
2305 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(shortest) },
2306 "finish encoding within shortest input" },
2307 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
2308 "timestamp discontinuity delta threshold", "threshold" },
2309 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
2310 "timestamp error delta threshold", "threshold" },
2311 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
2312 "exit on error", "error" },
2313 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(copy_initial_nonkeyframes) },
2314 "copy initial non-keyframes" },
2315 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, { .off = OFFSET(max_frames) },
2316 "set the number of frames to record", "number" },
2317 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC | OPT_EXPERT,{ .off = OFFSET(codec_tags) },
2318 "force codec tag/fourcc", "fourcc/tag" },
2319 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC,{ .off = OFFSET(qscale) },
2320 "use fixed quality scale (VBR)", "q" },
2321 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_qscale },
2322 "use fixed quality scale (VBR)", "q" },
2323 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_profile },
2324 "set profile", "profile" },
2325 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(filters) },
2326 "set stream filterchain", "filter_list" },
2327 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
2328 "create a complex filtergraph", "graph_description" },
2329 { "stats", OPT_BOOL, { &print_stats },
2330 "print progress report during encoding", },
2331 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT, { .func_arg = opt_attach },
2332 "add an attachment to the output file", "filename" },
2333 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |OPT_EXPERT,{ .off = OFFSET(dump_attachment) },
2334 "extract an attachment into a file", "filename" },
2335 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
2336 "print timestamp debugging info" },
2339 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_frames },
2340 "set the number of video frames to record", "number" },
2341 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(frame_rates) },
2342 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2343 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC,{ .off = OFFSET(frame_sizes) },
2344 "set frame size (WxH or abbreviation)", "size" },
2345 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(frame_aspect_ratios) },
2346 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2347 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(frame_pix_fmts) },
2348 "set pixel format", "format" },
2349 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
2350 "set the number of bits per raw sample", "number" },
2351 { "croptop", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2352 "Removed, use the crop filter instead", "size" },
2353 { "cropbottom", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2354 "Removed, use the crop filter instead", "size" },
2355 { "cropleft", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2356 "Removed, use the crop filter instead", "size" },
2357 { "cropright", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2358 "Removed, use the crop filter instead", "size" },
2359 { "padtop", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2360 "Removed, use the pad filter instead", "size" },
2361 { "padbottom", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2362 "Removed, use the pad filter instead", "size" },
2363 { "padleft", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2364 "Removed, use the pad filter instead", "size" },
2365 { "padright", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2366 "Removed, use the pad filter instead", "size" },
2367 { "padcolor", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2368 "Removed, use the pad filter instead", "color" },
2369 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
2370 "deprecated use -g 1" },
2371 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET, { .off = OFFSET(video_disable) },
2373 { "vdt", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &video_discard },
2374 "discard threshold", "n" },
2375 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(rc_overrides) },
2376 "rate control override for specific intervals", "override" },
2377 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_codec },
2378 "force video codec ('copy' to copy stream)", "codec" },
2379 { "sameq", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &same_quant },
2380 "use same quantizer as source (implies VBR)" },
2381 { "same_quant", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &same_quant },
2382 "use same quantizer as source (implies VBR)" },
2383 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_timecode },
2384 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
2385 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT, { .off = OFFSET(pass) },
2386 "select the pass number (1 to 3)", "n" },
2387 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(passlogfiles) },
2388 "select two pass log file name prefix", "prefix" },
2389 { "deinterlace", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_deinterlace },
2390 "this option is deprecated, use the yadif filter instead" },
2391 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
2392 "calculate PSNR of compressed frames" },
2393 { "vstats", OPT_VIDEO | OPT_EXPERT , { &opt_vstats },
2394 "dump video coding statistics to file" },
2395 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { opt_vstats_file },
2396 "dump video coding statistics to file", "file" },
2397 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_filters },
2398 "video filters", "filter list" },
2399 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(intra_matrices) },
2400 "specify intra matrix coeffs", "matrix" },
2401 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(inter_matrices) },
2402 "specify inter matrix coeffs", "matrix" },
2403 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC, { .off = OFFSET(top_field_first) },
2404 "top=1/bottom=0/auto=-1 field first", "" },
2405 { "dc", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &intra_dc_precision },
2406 "intra_dc_precision", "precision" },
2407 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_old2new },
2408 "force video tag/fourcc", "fourcc/tag" },
2409 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
2410 "show QP histogram" },
2411 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(force_fps) },
2412 "force the selected framerate, disable the best supported framerate selection" },
2413 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_streamid },
2414 "set the value of an outfile streamid", "streamIndex:value" },
2415 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_SPEC,
2416 { .off = OFFSET(forced_key_frames) },
2417 "force key frames at specified timestamps", "timestamps" },
2418 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_bitrate },
2419 "video bitrate (please use -b:v)", "bitrate" },
2422 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_frames },
2423 "set the number of audio frames to record", "number" },
2424 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_qscale },
2425 "set audio quality (codec-specific)", "quality", },
2426 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC, { .off = OFFSET(audio_sample_rate) },
2427 "set audio sampling rate (in Hz)", "rate" },
2428 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC, { .off = OFFSET(audio_channels) },
2429 "set number of audio channels", "channels" },
2430 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET, { .off = OFFSET(audio_disable) },
2432 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_codec },
2433 "force audio codec ('copy' to copy stream)", "codec" },
2434 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_old2new },
2435 "force audio tag/fourcc", "fourcc/tag" },
2436 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
2437 "change audio volume (256=normal)" , "volume" },
2438 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_STRING, { .off = OFFSET(sample_fmts) },
2439 "set sample format", "format" },
2440 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_channel_layout },
2441 "set channel layout", "layout" },
2442 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_filters },
2443 "audio filters", "filter list" },
2445 /* subtitle options */
2446 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET, { .off = OFFSET(subtitle_disable) },
2447 "disable subtitle" },
2448 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE, { .func_arg = opt_subtitle_codec },
2449 "force subtitle codec ('copy' to copy stream)", "codec" },
2450 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_old2new }
2451 , "force subtitle tag/fourcc", "fourcc/tag" },
2452 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC, { .off = OFFSET(fix_sub_duration) },
2453 "fix subtitles duration" },
2456 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
2457 "deprecated, use -channel", "channel" },
2458 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
2459 "deprecated, use -standard", "standard" },
2460 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
2463 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(mux_max_delay) },
2464 "set the maximum demux-decode delay", "seconds" },
2465 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(mux_preload) },
2466 "set the initial demux-decode delay", "seconds" },
2468 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT, { .off = OFFSET(bitstream_filters) },
2469 "A comma-separated list of bitstream filters", "bitstream_filters" },
2470 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_old2new },
2471 "deprecated", "audio bitstream_filters" },
2472 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_old2new },
2473 "deprecated", "video bitstream_filters" },
2475 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2476 "set the audio options to the indicated preset", "preset" },
2477 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2478 "set the video options to the indicated preset", "preset" },
2479 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2480 "set the subtitle options to the indicated preset", "preset" },
2481 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2482 "set options from indicated preset file", "filename" },
2483 /* data codec support */
2484 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT, { .func_arg = opt_data_codec },
2485 "force data codec ('copy' to copy stream)", "codec" },
2486 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, { .off = OFFSET(data_disable) },
2489 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, { .func_arg = opt_default },
2490 "generic catch all option", "" },