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_sameq(void *optctx, const char *opt, const char *arg)
162 av_log(NULL, AV_LOG_WARNING, "Ignoring option '%s'\n", opt);
166 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
168 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
169 return opt_default(optctx, "channel", arg);
172 static int opt_video_standard(void *optctx, const char *opt, const char *arg)
174 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
175 return opt_default(optctx, "standard", arg);
178 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
180 OptionsContext *o = optctx;
181 return parse_option(o, "codec:a", arg, options);
184 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
186 OptionsContext *o = optctx;
187 return parse_option(o, "codec:v", arg, options);
190 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
192 OptionsContext *o = optctx;
193 return parse_option(o, "codec:s", arg, options);
196 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
198 OptionsContext *o = optctx;
199 return parse_option(o, "codec:d", arg, options);
202 static int opt_map(void *optctx, const char *opt, const char *arg)
204 OptionsContext *o = optctx;
206 int i, negative = 0, file_idx;
207 int sync_file_idx = -1, sync_stream_idx = 0;
215 map = av_strdup(arg);
217 /* parse sync stream first, just pick first matching stream */
218 if (sync = strchr(map, ',')) {
220 sync_file_idx = strtol(sync + 1, &sync, 0);
221 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
222 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
227 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
228 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
229 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
233 if (i == input_files[sync_file_idx]->nb_streams) {
234 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
235 "match any streams.\n", arg);
242 /* this mapping refers to lavfi output */
243 const char *c = map + 1;
244 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
245 &o->nb_stream_maps, o->nb_stream_maps + 1);
246 m = &o->stream_maps[o->nb_stream_maps - 1];
247 m->linklabel = av_get_token(&c, "]");
249 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
253 file_idx = strtol(map, &p, 0);
254 if (file_idx >= nb_input_files || file_idx < 0) {
255 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
259 /* disable some already defined maps */
260 for (i = 0; i < o->nb_stream_maps; i++) {
261 m = &o->stream_maps[i];
262 if (file_idx == m->file_index &&
263 check_stream_specifier(input_files[m->file_index]->ctx,
264 input_files[m->file_index]->ctx->streams[m->stream_index],
265 *p == ':' ? p + 1 : p) > 0)
269 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
270 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
271 *p == ':' ? p + 1 : p) <= 0)
273 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
274 &o->nb_stream_maps, o->nb_stream_maps + 1);
275 m = &o->stream_maps[o->nb_stream_maps - 1];
277 m->file_index = file_idx;
280 if (sync_file_idx >= 0) {
281 m->sync_file_index = sync_file_idx;
282 m->sync_stream_index = sync_stream_idx;
284 m->sync_file_index = file_idx;
285 m->sync_stream_index = i;
291 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
299 static int opt_attach(void *optctx, const char *opt, const char *arg)
301 OptionsContext *o = optctx;
302 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
303 &o->nb_attachments, o->nb_attachments + 1);
304 o->attachments[o->nb_attachments - 1] = arg;
308 static int opt_map_channel(void *optctx, const char *opt, const char *arg)
310 OptionsContext *o = optctx;
315 o->audio_channel_maps =
316 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
317 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
318 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
320 /* muted channel syntax */
321 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
322 if ((n == 1 || n == 3) && m->channel_idx == -1) {
323 m->file_idx = m->stream_idx = -1;
325 m->ofile_idx = m->ostream_idx = -1;
330 n = sscanf(arg, "%d.%d.%d:%d.%d",
331 &m->file_idx, &m->stream_idx, &m->channel_idx,
332 &m->ofile_idx, &m->ostream_idx);
334 if (n != 3 && n != 5) {
335 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
336 "[file.stream.channel|-1][:syncfile:syncstream]\n");
340 if (n != 5) // only file.stream.channel specified
341 m->ofile_idx = m->ostream_idx = -1;
344 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
345 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
349 if (m->stream_idx < 0 ||
350 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
351 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
352 m->file_idx, m->stream_idx);
355 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
356 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
357 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
358 m->file_idx, m->stream_idx);
361 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
362 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
363 m->file_idx, m->stream_idx, m->channel_idx);
370 * Parse a metadata specifier passed as 'arg' parameter.
371 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
372 * @param index for type c/p, chapter/program index is written here
373 * @param stream_spec for type s, the stream specifier is written here
375 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
383 if (*(++arg) && *arg != ':') {
384 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
387 *stream_spec = *arg == ':' ? arg + 1 : "";
392 *index = strtol(++arg, NULL, 0);
395 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
402 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
404 AVDictionary **meta_in = NULL;
405 AVDictionary **meta_out = NULL;
407 char type_in, type_out;
408 const char *istream_spec = NULL, *ostream_spec = NULL;
409 int idx_in = 0, idx_out = 0;
411 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
412 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
415 if (type_out == 'g' || !*outspec)
416 o->metadata_global_manual = 1;
417 if (type_out == 's' || !*outspec)
418 o->metadata_streams_manual = 1;
419 if (type_out == 'c' || !*outspec)
420 o->metadata_chapters_manual = 1;
424 if (type_in == 'g' || type_out == 'g')
425 o->metadata_global_manual = 1;
426 if (type_in == 's' || type_out == 's')
427 o->metadata_streams_manual = 1;
428 if (type_in == 'c' || type_out == 'c')
429 o->metadata_chapters_manual = 1;
431 /* ic is NULL when just disabling automatic mappings */
435 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
436 if ((index) < 0 || (index) >= (nb_elems)) {\
437 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
442 #define SET_DICT(type, meta, context, index)\
445 meta = &context->metadata;\
448 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
449 meta = &context->chapters[index]->metadata;\
452 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
453 meta = &context->programs[index]->metadata;\
455 default: av_assert0(0);\
460 SET_DICT(type_in, meta_in, ic, idx_in);
461 SET_DICT(type_out, meta_out, oc, idx_out);
463 /* for input streams choose first matching stream */
464 if (type_in == 's') {
465 for (i = 0; i < ic->nb_streams; i++) {
466 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
467 meta_in = &ic->streams[i]->metadata;
473 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
478 if (type_out == 's') {
479 for (i = 0; i < oc->nb_streams; i++) {
480 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
481 meta_out = &oc->streams[i]->metadata;
482 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
487 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
492 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
494 OptionsContext *o = optctx;
496 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
497 struct tm time = *gmtime((time_t*)&recording_timestamp);
498 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
499 parse_option(o, "metadata", buf, options);
501 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
502 "tag instead.\n", opt);
506 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
508 const AVCodecDescriptor *desc;
509 const char *codec_string = encoder ? "encoder" : "decoder";
513 avcodec_find_encoder_by_name(name) :
514 avcodec_find_decoder_by_name(name);
516 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
517 codec = encoder ? avcodec_find_encoder(desc->id) :
518 avcodec_find_decoder(desc->id);
520 av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
521 codec_string, codec->name, desc->name);
525 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
528 if (codec->type != type) {
529 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
535 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
537 char *codec_name = NULL;
539 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
541 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
542 st->codec->codec_id = codec->id;
545 return avcodec_find_decoder(st->codec->codec_id);
548 /* Add all the streams from the given input file to the global
549 * list of input streams. */
550 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
553 char *next, *codec_tag = NULL;
555 for (i = 0; i < ic->nb_streams; i++) {
556 AVStream *st = ic->streams[i];
557 AVCodecContext *dec = st->codec;
558 InputStream *ist = av_mallocz(sizeof(*ist));
559 char *framerate = NULL;
564 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
565 input_streams[nb_input_streams - 1] = ist;
568 ist->file_index = nb_input_files;
570 st->discard = AVDISCARD_ALL;
571 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, choose_decoder(o, ic, st));
574 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
576 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
578 uint32_t tag = strtol(codec_tag, &next, 0);
580 tag = AV_RL32(codec_tag);
581 st->codec->codec_tag = tag;
584 ist->dec = choose_decoder(o, ic, st);
586 ist->reinit_filters = -1;
587 MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
589 switch (dec->codec_type) {
590 case AVMEDIA_TYPE_VIDEO:
592 ist->dec = avcodec_find_decoder(dec->codec_id);
594 dec->flags |= CODEC_FLAG_EMU_EDGE;
597 ist->resample_height = dec->height;
598 ist->resample_width = dec->width;
599 ist->resample_pix_fmt = dec->pix_fmt;
601 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
602 if (framerate && av_parse_video_rate(&ist->framerate,
604 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
609 ist->top_field_first = -1;
610 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
613 case AVMEDIA_TYPE_AUDIO:
614 guess_input_channel_layout(ist);
616 ist->resample_sample_fmt = dec->sample_fmt;
617 ist->resample_sample_rate = dec->sample_rate;
618 ist->resample_channels = dec->channels;
619 ist->resample_channel_layout = dec->channel_layout;
622 case AVMEDIA_TYPE_DATA:
623 case AVMEDIA_TYPE_SUBTITLE:
625 ist->dec = avcodec_find_decoder(dec->codec_id);
626 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
628 case AVMEDIA_TYPE_ATTACHMENT:
629 case AVMEDIA_TYPE_UNKNOWN:
637 static void assert_file_overwrite(const char *filename)
639 if ((!file_overwrite || no_file_overwrite) &&
640 (strchr(filename, ':') == NULL || filename[1] == ':' ||
641 av_strstart(filename, "file:", NULL))) {
642 if (avio_check(filename, 0) == 0) {
643 if (stdin_interaction && (!no_file_overwrite || file_overwrite)) {
644 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
647 signal(SIGINT, SIG_DFL);
649 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
655 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
662 static void dump_attachment(AVStream *st, const char *filename)
665 AVIOContext *out = NULL;
666 AVDictionaryEntry *e;
668 if (!st->codec->extradata_size) {
669 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
670 nb_input_files - 1, st->index);
673 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
676 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
677 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
681 assert_file_overwrite(filename);
683 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
684 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
689 avio_write(out, st->codec->extradata, st->codec->extradata_size);
694 static int opt_input_file(void *optctx, const char *opt, const char *filename)
696 OptionsContext *o = optctx;
698 AVInputFormat *file_iformat = NULL;
703 int orig_nb_streams; // number of streams before avformat_find_stream_info
704 char * video_codec_name = NULL;
705 char * audio_codec_name = NULL;
706 char *subtitle_codec_name = NULL;
709 if (!(file_iformat = av_find_input_format(o->format))) {
710 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
715 if (!strcmp(filename, "-"))
718 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
719 strcmp(filename, "/dev/stdin");
721 /* get default parameters from command line */
722 ic = avformat_alloc_context();
724 print_error(filename, AVERROR(ENOMEM));
727 if (o->nb_audio_sample_rate) {
728 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
729 av_dict_set(&format_opts, "sample_rate", buf, 0);
731 if (o->nb_audio_channels) {
732 /* because we set audio_channels based on both the "ac" and
733 * "channel_layout" options, we need to check that the specified
734 * demuxer actually has the "channels" option before setting it */
735 if (file_iformat && file_iformat->priv_class &&
736 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
737 AV_OPT_SEARCH_FAKE_OBJ)) {
738 snprintf(buf, sizeof(buf), "%d",
739 o->audio_channels[o->nb_audio_channels - 1].u.i);
740 av_dict_set(&format_opts, "channels", buf, 0);
743 if (o->nb_frame_rates) {
744 /* set the format-level framerate option;
745 * this is important for video grabbers, e.g. x11 */
746 if (file_iformat && file_iformat->priv_class &&
747 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
748 AV_OPT_SEARCH_FAKE_OBJ)) {
749 av_dict_set(&format_opts, "framerate",
750 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
753 if (o->nb_frame_sizes) {
754 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
756 if (o->nb_frame_pix_fmts)
757 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
759 MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
760 MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
761 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
763 ic->video_codec_id = video_codec_name ?
764 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
765 ic->audio_codec_id = audio_codec_name ?
766 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
767 ic->subtitle_codec_id= subtitle_codec_name ?
768 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
769 ic->flags |= AVFMT_FLAG_NONBLOCK;
770 ic->interrupt_callback = int_cb;
772 /* open the input file with generic avformat function */
773 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
775 print_error(filename, err);
778 assert_avoptions(format_opts);
780 /* apply forced codec ids */
781 for (i = 0; i < ic->nb_streams; i++)
782 choose_decoder(o, ic, ic->streams[i]);
784 /* Set AVCodecContext options for avformat_find_stream_info */
785 opts = setup_find_stream_info_opts(ic, codec_opts);
786 orig_nb_streams = ic->nb_streams;
788 /* If not enough info to get the stream parameters, we decode the
789 first frames to get it. (used in mpeg case for example) */
790 ret = avformat_find_stream_info(ic, opts);
792 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
793 avformat_close_input(&ic);
797 timestamp = o->start_time;
798 /* add the stream start time */
799 if (ic->start_time != AV_NOPTS_VALUE)
800 timestamp += ic->start_time;
802 /* if seeking requested, we execute it */
803 if (o->start_time != 0) {
804 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
806 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
807 filename, (double)timestamp / AV_TIME_BASE);
811 /* update the current parameters so that they match the one of the input stream */
812 add_input_streams(o, ic);
814 /* dump the file content */
815 av_dump_format(ic, nb_input_files, filename, 0);
817 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
818 if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
821 input_files[nb_input_files - 1]->ctx = ic;
822 input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams;
823 input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
824 input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
825 input_files[nb_input_files - 1]->rate_emu = o->rate_emu;
827 for (i = 0; i < o->nb_dump_attachment; i++) {
830 for (j = 0; j < ic->nb_streams; j++) {
831 AVStream *st = ic->streams[j];
833 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
834 dump_attachment(st, o->dump_attachment[i].u.str);
838 for (i = 0; i < orig_nb_streams; i++)
839 av_dict_free(&opts[i]);
846 static uint8_t *get_line(AVIOContext *s)
852 if (avio_open_dyn_buf(&line) < 0) {
853 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
857 while ((c = avio_r8(s)) && c != '\n')
860 avio_close_dyn_buf(line, &buf);
865 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
869 const char *base[3] = { getenv("AVCONV_DATADIR"),
874 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
878 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
879 i != 1 ? "" : "/.avconv", codec_name, preset_name);
880 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
883 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
884 i != 1 ? "" : "/.avconv", preset_name);
885 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
891 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
893 char *codec_name = NULL;
895 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
897 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
898 NULL, ost->st->codec->codec_type);
899 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
900 } else if (!strcmp(codec_name, "copy"))
901 ost->stream_copy = 1;
903 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
904 ost->st->codec->codec_id = ost->enc->id;
908 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
911 AVStream *st = avformat_new_stream(oc, NULL);
912 int idx = oc->nb_streams - 1, ret = 0;
913 char *bsf = NULL, *next, *codec_tag = NULL;
914 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
918 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
922 if (oc->nb_streams - 1 < o->nb_streamid_map)
923 st->id = o->streamid_map[oc->nb_streams - 1];
925 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
926 nb_output_streams + 1);
927 if (!(ost = av_mallocz(sizeof(*ost))))
929 output_streams[nb_output_streams - 1] = ost;
931 ost->file_index = nb_output_files;
934 st->codec->codec_type = type;
935 choose_encoder(o, oc, ost);
937 AVIOContext *s = NULL;
938 char *buf = NULL, *arg = NULL, *preset = NULL;
940 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
942 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
943 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
946 if (!buf[0] || buf[0] == '#') {
950 if (!(arg = strchr(buf, '='))) {
951 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
955 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
957 } while (!s->eof_reached);
961 av_log(NULL, AV_LOG_FATAL,
962 "Preset %s specified for stream %d:%d, but could not be opened.\n",
963 preset, ost->file_index, ost->index);
968 avcodec_get_context_defaults3(st->codec, ost->enc);
969 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
971 ost->max_frames = INT64_MAX;
972 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
974 ost->copy_prior_start = -1;
975 MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
977 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
979 if (next = strchr(bsf, ','))
981 if (!(bsfc = av_bitstream_filter_init(bsf))) {
982 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
986 bsfc_prev->next = bsfc;
988 ost->bitstream_filters = bsfc;
994 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
996 uint32_t tag = strtol(codec_tag, &next, 0);
998 tag = AV_RL32(codec_tag);
999 st->codec->codec_tag = tag;
1002 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
1004 st->codec->flags |= CODEC_FLAG_QSCALE;
1005 st->codec->global_quality = FF_QP2LAMBDA * qscale;
1008 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
1009 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
1011 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
1012 av_opt_get_int (swr_opts, "dither_method", 0, &ost->swr_dither_method);
1013 av_opt_get_double(swr_opts, "dither_scale" , 0, &ost->swr_dither_scale);
1015 ost->source_index = source_index;
1016 if (source_index >= 0) {
1017 ost->sync_ist = input_streams[source_index];
1018 input_streams[source_index]->discard = 0;
1019 input_streams[source_index]->st->discard = AVDISCARD_NONE;
1025 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1028 const char *p = str;
1035 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1042 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1046 AVCodecContext *video_enc;
1047 char *frame_rate = NULL;
1049 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1051 video_enc = st->codec;
1053 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1054 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1055 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1059 if (!ost->stream_copy) {
1060 const char *p = NULL;
1061 char *frame_size = NULL;
1062 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
1063 char *intra_matrix = NULL, *inter_matrix = NULL;
1064 const char *filters = "null";
1068 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1069 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1070 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1074 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1075 if (frame_aspect_ratio) {
1077 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1078 q.num <= 0 || q.den <= 0) {
1079 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1082 ost->frame_aspect_ratio = av_q2d(q);
1085 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1086 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1087 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1088 ost->keep_pix_fmt = 1;
1089 if (!*++frame_pix_fmt)
1090 frame_pix_fmt = NULL;
1092 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1093 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1096 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1099 video_enc->gop_size = 0;
1100 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1102 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1103 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1106 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1108 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1110 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1111 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1114 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1117 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1118 for (i = 0; p; i++) {
1120 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1122 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1125 /* FIXME realloc failure */
1126 video_enc->rc_override =
1127 av_realloc(video_enc->rc_override,
1128 sizeof(RcOverride) * (i + 1));
1129 video_enc->rc_override[i].start_frame = start;
1130 video_enc->rc_override[i].end_frame = end;
1132 video_enc->rc_override[i].qscale = q;
1133 video_enc->rc_override[i].quality_factor = 1.0;
1136 video_enc->rc_override[i].qscale = 0;
1137 video_enc->rc_override[i].quality_factor = -q/100.0;
1142 video_enc->rc_override_count = i;
1143 if (!video_enc->rc_initial_buffer_occupancy)
1144 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
1145 video_enc->intra_dc_precision = intra_dc_precision - 8;
1148 video_enc->flags|= CODEC_FLAG_PSNR;
1151 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1154 video_enc->flags |= CODEC_FLAG_PASS1;
1157 video_enc->flags |= CODEC_FLAG_PASS2;
1161 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1162 if (ost->logfile_prefix &&
1163 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1166 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1167 if (ost->forced_keyframes)
1168 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1170 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1172 ost->top_field_first = -1;
1173 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1175 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
1176 ost->avfilter = av_strdup(filters);
1178 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1184 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1189 AVCodecContext *audio_enc;
1191 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1194 audio_enc = st->codec;
1195 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1197 if (!ost->stream_copy) {
1198 char *sample_fmt = NULL;
1199 const char *filters = "anull";
1201 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1203 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1205 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1206 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1210 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1212 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
1214 av_assert1(filters);
1215 ost->avfilter = av_strdup(filters);
1217 /* check for channel mapping for this audio stream */
1218 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1219 AudioChannelMap *map = &o->audio_channel_maps[n];
1220 InputStream *ist = input_streams[ost->source_index];
1221 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
1222 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1223 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1224 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
1225 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1227 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
1228 ost->file_index, ost->st->index);
1236 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1240 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1241 if (!ost->stream_copy) {
1242 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1249 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1251 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1252 ost->stream_copy = 1;
1256 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1260 AVCodecContext *subtitle_enc;
1262 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1264 subtitle_enc = st->codec;
1266 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1268 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1270 if (!ost->stream_copy) {
1271 char *frame_size = NULL;
1273 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1274 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1275 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1283 /* arg format is "output-stream-index:streamid-value". */
1284 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1286 OptionsContext *o = optctx;
1291 av_strlcpy(idx_str, arg, sizeof(idx_str));
1292 p = strchr(idx_str, ':');
1294 av_log(NULL, AV_LOG_FATAL,
1295 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1300 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1301 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1302 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1306 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1308 AVFormatContext *is = ifile->ctx;
1309 AVFormatContext *os = ofile->ctx;
1313 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1315 return AVERROR(ENOMEM);
1318 for (i = 0; i < is->nb_chapters; i++) {
1319 AVChapter *in_ch = is->chapters[i], *out_ch;
1320 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
1321 AV_TIME_BASE_Q, in_ch->time_base);
1322 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1323 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1326 if (in_ch->end < ts_off)
1328 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1331 out_ch = av_mallocz(sizeof(AVChapter));
1333 return AVERROR(ENOMEM);
1335 out_ch->id = in_ch->id;
1336 out_ch->time_base = in_ch->time_base;
1337 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1338 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1341 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1343 os->chapters[os->nb_chapters++] = out_ch;
1348 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1351 AVFormatContext *ic = avformat_alloc_context();
1353 ic->interrupt_callback = int_cb;
1354 err = avformat_open_input(&ic, filename, NULL, NULL);
1357 /* copy stream format */
1358 for(i=0;i<ic->nb_streams;i++) {
1362 AVCodecContext *avctx;
1364 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
1365 ost = new_output_stream(o, s, codec->type, -1);
1370 // FIXME: a more elegant solution is needed
1371 memcpy(st, ic->streams[i], sizeof(AVStream));
1373 st->info = av_malloc(sizeof(*st->info));
1374 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
1376 avcodec_copy_context(st->codec, ic->streams[i]->codec);
1378 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1379 choose_sample_fmt(st, codec);
1380 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1381 choose_pixel_fmt(st, codec, st->codec->pix_fmt);
1384 /* ffserver seeking with date=... needs a date reference */
1385 err = parse_option(o, "metadata", "creation_time=now", options);
1387 avformat_close_input(&ic);
1391 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1392 AVFormatContext *oc)
1396 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1397 ofilter->out_tmp->pad_idx)) {
1398 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1399 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1401 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1406 ost->source_index = -1;
1407 ost->filter = ofilter;
1411 if (ost->stream_copy) {
1412 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1413 "which is fed from a complex filtergraph. Filtering and streamcopy "
1414 "cannot be used together.\n", ost->file_index, ost->index);
1418 if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
1419 av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
1422 avfilter_inout_free(&ofilter->out_tmp);
1425 static int configure_complex_filters(void)
1429 for (i = 0; i < nb_filtergraphs; i++)
1430 if (!filtergraphs[i]->graph &&
1431 (ret = configure_filtergraph(filtergraphs[i])) < 0)
1436 void opt_output_file(void *optctx, const char *filename)
1438 OptionsContext *o = optctx;
1439 AVFormatContext *oc;
1441 AVOutputFormat *file_oformat;
1445 if (configure_complex_filters() < 0) {
1446 av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
1450 if (!strcmp(filename, "-"))
1453 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
1455 print_error(filename, err);
1458 file_oformat= oc->oformat;
1459 oc->interrupt_callback = int_cb;
1461 /* create streams for all unlabeled output pads */
1462 for (i = 0; i < nb_filtergraphs; i++) {
1463 FilterGraph *fg = filtergraphs[i];
1464 for (j = 0; j < fg->nb_outputs; j++) {
1465 OutputFilter *ofilter = fg->outputs[j];
1467 if (!ofilter->out_tmp || ofilter->out_tmp->name)
1470 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1471 ofilter->out_tmp->pad_idx)) {
1472 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
1473 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
1474 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
1476 init_output_filter(ofilter, o, oc);
1480 if (!strcmp(file_oformat->name, "ffm") &&
1481 av_strstart(filename, "http:", NULL)) {
1483 /* special case for files sent to ffserver: we get the stream
1484 parameters from ffserver */
1485 int err = read_ffserver_streams(o, oc, filename);
1487 print_error(filename, err);
1490 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
1491 ost = output_streams[j];
1492 for (i = 0; i < nb_input_streams; i++) {
1493 ist = input_streams[i];
1494 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
1496 ost->source_index= i;
1497 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
1498 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
1500 ist->st->discard = AVDISCARD_NONE;
1505 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));
1509 } else if (!o->nb_stream_maps) {
1510 char *subtitle_codec_name = NULL;
1511 /* pick the "best" stream of each type */
1513 /* video: highest resolution */
1514 if (!o->video_disable && oc->oformat->video_codec != AV_CODEC_ID_NONE) {
1515 int area = 0, idx = -1;
1516 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
1517 for (i = 0; i < nb_input_streams; i++) {
1519 ist = input_streams[i];
1520 new_area = ist->st->codec->width * ist->st->codec->height;
1521 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
1523 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1525 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
1532 new_video_stream(o, oc, idx);
1535 /* audio: most channels */
1536 if (!o->audio_disable && oc->oformat->audio_codec != AV_CODEC_ID_NONE) {
1537 int channels = 0, idx = -1;
1538 for (i = 0; i < nb_input_streams; i++) {
1539 ist = input_streams[i];
1540 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
1541 ist->st->codec->channels > channels) {
1542 channels = ist->st->codec->channels;
1547 new_audio_stream(o, oc, idx);
1550 /* subtitles: pick first */
1551 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
1552 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != AV_CODEC_ID_NONE || subtitle_codec_name)) {
1553 for (i = 0; i < nb_input_streams; i++)
1554 if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1555 new_subtitle_stream(o, oc, i);
1559 /* do something with data? */
1561 for (i = 0; i < o->nb_stream_maps; i++) {
1562 StreamMap *map = &o->stream_maps[i];
1563 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
1568 if (map->linklabel) {
1570 OutputFilter *ofilter = NULL;
1573 for (j = 0; j < nb_filtergraphs; j++) {
1574 fg = filtergraphs[j];
1575 for (k = 0; k < fg->nb_outputs; k++) {
1576 AVFilterInOut *out = fg->outputs[k]->out_tmp;
1577 if (out && !strcmp(out->name, map->linklabel)) {
1578 ofilter = fg->outputs[k];
1585 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
1586 "in any defined filter graph.\n", map->linklabel);
1589 init_output_filter(ofilter, o, oc);
1591 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
1592 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
1594 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1596 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1598 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
1601 switch (ist->st->codec->codec_type) {
1602 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
1603 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
1604 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
1605 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
1606 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
1608 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
1609 map->file_index, map->stream_index);
1617 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
1618 AVDictionaryEntry *e;
1619 ost = output_streams[i];
1621 if ( ost->stream_copy
1622 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
1623 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
1624 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
1628 /* handle attached files */
1629 for (i = 0; i < o->nb_attachments; i++) {
1631 uint8_t *attachment;
1635 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
1636 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
1640 if ((len = avio_size(pb)) <= 0) {
1641 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
1645 if (!(attachment = av_malloc(len))) {
1646 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
1650 avio_read(pb, attachment, len);
1652 ost = new_attachment_stream(o, oc, -1);
1653 ost->stream_copy = 0;
1654 ost->attachment_filename = o->attachments[i];
1655 ost->st->codec->extradata = attachment;
1656 ost->st->codec->extradata_size = len;
1658 p = strrchr(o->attachments[i], '/');
1659 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
1663 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
1664 if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
1667 output_files[nb_output_files - 1]->ctx = oc;
1668 output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams;
1669 output_files[nb_output_files - 1]->recording_time = o->recording_time;
1670 if (o->recording_time != INT64_MAX)
1671 oc->duration = o->recording_time;
1672 output_files[nb_output_files - 1]->start_time = o->start_time;
1673 output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
1674 output_files[nb_output_files - 1]->shortest = o->shortest;
1675 av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
1677 /* check filename in case of an image number is expected */
1678 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
1679 if (!av_filename_number_test(oc->filename)) {
1680 print_error(oc->filename, AVERROR(EINVAL));
1685 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
1686 /* test if it already exists to avoid losing precious files */
1687 assert_file_overwrite(filename);
1690 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
1691 &oc->interrupt_callback,
1692 &output_files[nb_output_files - 1]->opts)) < 0) {
1693 print_error(filename, err);
1698 if (o->mux_preload) {
1700 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
1701 av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
1703 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
1706 for (i = 0; i < o->nb_metadata_map; i++) {
1708 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
1710 if (in_file_index >= nb_input_files) {
1711 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
1714 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
1715 in_file_index >= 0 ?
1716 input_files[in_file_index]->ctx : NULL, o);
1720 if (o->chapters_input_file >= nb_input_files) {
1721 if (o->chapters_input_file == INT_MAX) {
1722 /* copy chapters from the first input file that has them*/
1723 o->chapters_input_file = -1;
1724 for (i = 0; i < nb_input_files; i++)
1725 if (input_files[i]->ctx->nb_chapters) {
1726 o->chapters_input_file = i;
1730 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
1731 o->chapters_input_file);
1735 if (o->chapters_input_file >= 0)
1736 copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
1737 !o->metadata_chapters_manual);
1739 /* copy global metadata by default */
1740 if (!o->metadata_global_manual && nb_input_files){
1741 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
1742 AV_DICT_DONT_OVERWRITE);
1743 if(o->recording_time != INT64_MAX)
1744 av_dict_set(&oc->metadata, "duration", NULL, 0);
1745 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
1747 if (!o->metadata_streams_manual)
1748 for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
1750 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
1752 ist = input_streams[output_streams[i]->source_index];
1753 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
1756 /* process manually set metadata */
1757 for (i = 0; i < o->nb_metadata; i++) {
1760 const char *stream_spec;
1761 int index = 0, j, ret = 0;
1763 val = strchr(o->metadata[i].u.str, '=');
1765 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
1766 o->metadata[i].u.str);
1771 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
1773 for (j = 0; j < oc->nb_streams; j++) {
1774 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
1775 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
1786 if (index < 0 || index >= oc->nb_chapters) {
1787 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
1790 m = &oc->chapters[index]->metadata;
1793 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
1796 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
1800 reset_options(o, 0);
1803 static int opt_target(void *optctx, const char *opt, const char *arg)
1805 OptionsContext *o = optctx;
1806 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
1807 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
1809 if (!strncmp(arg, "pal-", 4)) {
1812 } else if (!strncmp(arg, "ntsc-", 5)) {
1815 } else if (!strncmp(arg, "film-", 5)) {
1819 /* Try to determine PAL/NTSC by peeking in the input files */
1820 if (nb_input_files) {
1822 for (j = 0; j < nb_input_files; j++) {
1823 for (i = 0; i < input_files[j]->nb_streams; i++) {
1824 AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
1825 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
1827 fr = c->time_base.den * 1000 / c->time_base.num;
1831 } else if ((fr == 29970) || (fr == 23976)) {
1836 if (norm != UNKNOWN)
1840 if (norm != UNKNOWN)
1841 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
1844 if (norm == UNKNOWN) {
1845 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
1846 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
1847 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
1851 if (!strcmp(arg, "vcd")) {
1852 opt_video_codec(o, "c:v", "mpeg1video");
1853 opt_audio_codec(o, "c:a", "mp2");
1854 parse_option(o, "f", "vcd", options);
1856 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
1857 parse_option(o, "r", frame_rates[norm], options);
1858 opt_default(NULL, "g", norm == PAL ? "15" : "18");
1860 opt_default(NULL, "b:v", "1150000");
1861 opt_default(NULL, "maxrate", "1150000");
1862 opt_default(NULL, "minrate", "1150000");
1863 opt_default(NULL, "bufsize", "327680"); // 40*1024*8;
1865 opt_default(NULL, "b:a", "224000");
1866 parse_option(o, "ar", "44100", options);
1867 parse_option(o, "ac", "2", options);
1869 opt_default(NULL, "packetsize", "2324");
1870 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
1872 /* We have to offset the PTS, so that it is consistent with the SCR.
1873 SCR starts at 36000, but the first two packs contain only padding
1874 and the first pack from the other stream, respectively, may also have
1875 been written before.
1876 So the real data starts at SCR 36000+3*1200. */
1877 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
1878 } else if (!strcmp(arg, "svcd")) {
1880 opt_video_codec(o, "c:v", "mpeg2video");
1881 opt_audio_codec(o, "c:a", "mp2");
1882 parse_option(o, "f", "svcd", options);
1884 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
1885 parse_option(o, "r", frame_rates[norm], options);
1886 parse_option(o, "pix_fmt", "yuv420p", options);
1887 opt_default(NULL, "g", norm == PAL ? "15" : "18");
1889 opt_default(NULL, "b:v", "2040000");
1890 opt_default(NULL, "maxrate", "2516000");
1891 opt_default(NULL, "minrate", "0"); // 1145000;
1892 opt_default(NULL, "bufsize", "1835008"); // 224*1024*8;
1893 opt_default(NULL, "scan_offset", "1");
1895 opt_default(NULL, "b:a", "224000");
1896 parse_option(o, "ar", "44100", options);
1898 opt_default(NULL, "packetsize", "2324");
1900 } else if (!strcmp(arg, "dvd")) {
1902 opt_video_codec(o, "c:v", "mpeg2video");
1903 opt_audio_codec(o, "c:a", "ac3");
1904 parse_option(o, "f", "dvd", options);
1906 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
1907 parse_option(o, "r", frame_rates[norm], options);
1908 parse_option(o, "pix_fmt", "yuv420p", options);
1909 opt_default(NULL, "g", norm == PAL ? "15" : "18");
1911 opt_default(NULL, "b:v", "6000000");
1912 opt_default(NULL, "maxrate", "9000000");
1913 opt_default(NULL, "minrate", "0"); // 1500000;
1914 opt_default(NULL, "bufsize", "1835008"); // 224*1024*8;
1916 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
1917 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
1919 opt_default(NULL, "b:a", "448000");
1920 parse_option(o, "ar", "48000", options);
1922 } else if (!strncmp(arg, "dv", 2)) {
1924 parse_option(o, "f", "dv", options);
1926 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
1927 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
1928 norm == PAL ? "yuv420p" : "yuv411p", options);
1929 parse_option(o, "r", frame_rates[norm], options);
1931 parse_option(o, "ar", "48000", options);
1932 parse_option(o, "ac", "2", options);
1935 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
1936 return AVERROR(EINVAL);
1941 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
1943 av_free (vstats_filename);
1944 vstats_filename = av_strdup (arg);
1948 static int opt_vstats(void *optctx, const char *opt, const char *arg)
1951 time_t today2 = time(NULL);
1952 struct tm *today = localtime(&today2);
1954 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
1956 return opt_vstats_file(NULL, opt, filename);
1959 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
1961 OptionsContext *o = optctx;
1962 return parse_option(o, "frames:v", arg, options);
1965 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
1967 OptionsContext *o = optctx;
1968 return parse_option(o, "frames:a", arg, options);
1971 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
1973 OptionsContext *o = optctx;
1974 return parse_option(o, "frames:d", arg, options);
1977 static int opt_preset(void *optctx, const char *opt, const char *arg)
1979 OptionsContext *o = optctx;
1981 char filename[1000], line[1000], tmp_line[1000];
1982 const char *codec_name = NULL;
1986 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
1988 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
1989 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
1990 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
1992 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
1996 while (fgets(line, sizeof(line), f)) {
1997 char *key = tmp_line, *value, *endptr;
1999 if (strcspn(line, "#\n\r") == 0)
2001 strcpy(tmp_line, line);
2002 if (!av_strtok(key, "=", &value) ||
2003 !av_strtok(value, "\r\n", &endptr)) {
2004 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
2007 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
2009 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
2010 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
2011 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
2012 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
2013 else if (opt_default(NULL, key, value) < 0) {
2014 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
2015 filename, line, key, value);
2025 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2027 OptionsContext *o = optctx;
2028 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2029 int ret = parse_option(o, s, arg, options);
2034 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2036 OptionsContext *o = optctx;
2037 if(!strcmp(opt, "b")){
2038 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2039 return parse_option(o, "b:v", arg, options);
2041 return opt_default(optctx, opt, arg);
2044 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2046 OptionsContext *o = optctx;
2049 if(!strcmp(opt, "qscale")){
2050 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2051 return parse_option(o, "q:v", arg, options);
2053 s = av_asprintf("q%s", opt + 6);
2054 ret = parse_option(o, s, arg, options);
2059 static int opt_profile(void *optctx, const char *opt, const char *arg)
2061 OptionsContext *o = optctx;
2062 if(!strcmp(opt, "profile")){
2063 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2064 return parse_option(o, "profile:v", arg, options);
2066 return opt_default(optctx, opt, arg);
2070 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2072 OptionsContext *o = optctx;
2073 return parse_option(o, "filter:v", arg, options);
2076 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
2078 OptionsContext *o = optctx;
2079 return parse_option(o, "filter:a", arg, options);
2082 static int opt_vsync(void *optctx, const char *opt, const char *arg)
2084 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2085 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
2086 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
2087 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
2089 if (video_sync_method == VSYNC_AUTO)
2090 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
2094 static int opt_deinterlace(void *optctx, const char *opt, const char *arg)
2096 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
2101 static int opt_timecode(void *optctx, const char *opt, const char *arg)
2103 OptionsContext *o = optctx;
2104 char *tcr = av_asprintf("timecode=%s", arg);
2105 int ret = parse_option(o, "metadata:g", tcr, options);
2107 ret = opt_default(optctx, "gop_timecode", arg);
2112 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
2114 OptionsContext *o = optctx;
2115 char layout_str[32];
2118 int ret, channels, ac_str_size;
2121 layout = av_get_channel_layout(arg);
2123 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
2124 return AVERROR(EINVAL);
2126 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
2127 ret = opt_default(NULL, opt, layout_str);
2131 /* set 'ac' option based on channel layout */
2132 channels = av_get_channel_layout_nb_channels(layout);
2133 snprintf(layout_str, sizeof(layout_str), "%d", channels);
2134 stream_str = strchr(opt, ':');
2135 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
2136 ac_str = av_mallocz(ac_str_size);
2138 return AVERROR(ENOMEM);
2139 av_strlcpy(ac_str, "ac", 3);
2141 av_strlcat(ac_str, stream_str, ac_str_size);
2142 ret = parse_option(o, ac_str, layout_str, options);
2148 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
2150 OptionsContext *o = optctx;
2151 return parse_option(o, "q:a", arg, options);
2154 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
2156 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
2157 &nb_filtergraphs, nb_filtergraphs + 1);
2158 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2159 return AVERROR(ENOMEM);
2160 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2161 filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
2165 void show_help_default(const char *opt, const char *arg)
2167 /* per-file options have at least one of those set */
2168 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
2169 int show_advanced = 0, show_avoptions = 0;
2172 if (!strcmp(opt, "long"))
2174 else if (!strcmp(opt, "full"))
2175 show_advanced = show_avoptions = 1;
2177 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
2182 printf("Getting help:\n"
2183 " -h -- print basic options\n"
2184 " -h long -- print more options\n"
2185 " -h full -- print all options (including all format and codec specific options, very long)\n"
2186 " See man %s for detailed description of the options.\n"
2187 "\n", program_name);
2189 show_help_options(options, "Print help / information / capabilities:",
2192 show_help_options(options, "Global options (affect whole program "
2193 "instead of just one file:",
2194 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
2196 show_help_options(options, "Advanced global options:", OPT_EXPERT,
2197 per_file | OPT_EXIT, 0);
2199 show_help_options(options, "Per-file main options:", 0,
2200 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
2201 OPT_EXIT, per_file);
2203 show_help_options(options, "Advanced per-file options:",
2204 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
2206 show_help_options(options, "Video options:",
2207 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
2209 show_help_options(options, "Advanced Video options:",
2210 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
2212 show_help_options(options, "Audio options:",
2213 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
2215 show_help_options(options, "Advanced Audio options:",
2216 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
2217 show_help_options(options, "Subtitle options:",
2218 OPT_SUBTITLE, 0, 0);
2221 if (show_avoptions) {
2222 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
2223 show_help_children(avcodec_get_class(), flags);
2224 show_help_children(avformat_get_class(), flags);
2225 show_help_children(sws_get_class(), flags);
2226 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
2227 show_help_children(avfilter_get_class(), AV_OPT_FLAG_FILTERING_PARAM);
2231 void show_usage(void)
2233 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
2234 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
2235 av_log(NULL, AV_LOG_INFO, "\n");
2239 static int opt_progress(void *optctx, const char *opt, const char *arg)
2241 AVIOContext *avio = NULL;
2244 if (!strcmp(arg, "-"))
2246 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
2248 av_log(0, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
2249 arg, av_err2str(ret));
2252 progress_avio = avio;
2256 #define OFFSET(x) offsetof(OptionsContext, x)
2257 const OptionDef options[] = {
2259 #include "cmdutils_common_opts.h"
2260 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, { .off = OFFSET(format) },
2261 "force format", "fmt" },
2262 { "i", HAS_ARG | OPT_PERFILE, { .func_arg = opt_input_file },
2263 "input file name", "filename" },
2264 { "y", OPT_BOOL, { &file_overwrite },
2265 "overwrite output files" },
2266 { "n", OPT_BOOL, { &no_file_overwrite },
2267 "do not overwrite output files" },
2268 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(codec_names) },
2269 "codec name", "codec" },
2270 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(codec_names) },
2271 "codec name", "codec" },
2272 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(presets) },
2273 "preset name", "preset" },
2274 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_map },
2275 "set input stream mapping",
2276 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
2277 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_map_channel },
2278 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
2279 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(metadata_map) },
2280 "set metadata information of outfile from infile",
2281 "outfile[,metadata]:infile[,metadata]" },
2282 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(chapters_input_file) },
2283 "set chapters mapping", "input_file_index" },
2284 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, { .off = OFFSET(recording_time) },
2285 "record or transcode \"duration\" seconds of audio/video",
2287 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, { .off = OFFSET(limit_filesize) },
2288 "set the limit file size in bytes", "limit_size" },
2289 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, { .off = OFFSET(start_time) },
2290 "set the start time offset", "time_off" },
2291 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_EXPERT,{ .off = OFFSET(input_ts_offset) },
2292 "set the input ts offset", "time_off" },
2293 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC | OPT_EXPERT,{ .off = OFFSET(ts_scale) },
2294 "set the input ts scale", "scale" },
2295 { "timestamp", HAS_ARG | OPT_PERFILE, { .func_arg = opt_recording_timestamp },
2296 "set the recording timestamp ('now' to set the current time)", "time" },
2297 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(metadata) },
2298 "add metadata", "string=string" },
2299 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT, { .func_arg = opt_data_frames },
2300 "set the number of data frames to record", "number" },
2301 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
2302 "add timings for benchmarking" },
2303 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
2304 "add timings for each task" },
2305 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
2306 "write program-readable progress information", "url" },
2307 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
2308 "enable or disable interaction on standard input" },
2309 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
2310 "set max runtime in seconds", "limit" },
2311 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
2312 "dump each input packet" },
2313 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
2314 "when dumping packets, also dump the payload" },
2315 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(rate_emu) },
2316 "read input at native frame rate", "" },
2317 { "target", HAS_ARG | OPT_PERFILE, { .func_arg = opt_target },
2318 "specify target file type (\"vcd\", \"svcd\", \"dvd\","
2319 " \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
2320 { "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync },
2321 "video sync method", "" },
2322 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
2323 "audio sync method", "" },
2324 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
2325 "audio drift threshold", "threshold" },
2326 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
2327 "copy timestamps" },
2328 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
2329 "copy input stream time base when stream copying", "mode" },
2330 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(shortest) },
2331 "finish encoding within shortest input" },
2332 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
2333 "timestamp discontinuity delta threshold", "threshold" },
2334 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
2335 "timestamp error delta threshold", "threshold" },
2336 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
2337 "exit on error", "error" },
2338 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(copy_initial_nonkeyframes) },
2339 "copy initial non-keyframes" },
2340 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(copy_prior_start) },
2341 "copy or discard frames before start time" },
2342 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, { .off = OFFSET(max_frames) },
2343 "set the number of frames to record", "number" },
2344 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC | OPT_EXPERT,{ .off = OFFSET(codec_tags) },
2345 "force codec tag/fourcc", "fourcc/tag" },
2346 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC,{ .off = OFFSET(qscale) },
2347 "use fixed quality scale (VBR)", "q" },
2348 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_qscale },
2349 "use fixed quality scale (VBR)", "q" },
2350 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_profile },
2351 "set profile", "profile" },
2352 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(filters) },
2353 "set stream filterchain", "filter_list" },
2354 { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC, { .off = OFFSET(reinit_filters) },
2355 "reinit filtergraph on input parameter changes", "" },
2356 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
2357 "create a complex filtergraph", "graph_description" },
2358 { "stats", OPT_BOOL, { &print_stats },
2359 "print progress report during encoding", },
2360 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT, { .func_arg = opt_attach },
2361 "add an attachment to the output file", "filename" },
2362 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |OPT_EXPERT,{ .off = OFFSET(dump_attachment) },
2363 "extract an attachment into a file", "filename" },
2364 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
2365 "print timestamp debugging info" },
2368 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_frames },
2369 "set the number of video frames to record", "number" },
2370 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(frame_rates) },
2371 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2372 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC,{ .off = OFFSET(frame_sizes) },
2373 "set frame size (WxH or abbreviation)", "size" },
2374 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC, { .off = OFFSET(frame_aspect_ratios) },
2375 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2376 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(frame_pix_fmts) },
2377 "set pixel format", "format" },
2378 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
2379 "set the number of bits per raw sample", "number" },
2380 { "croptop", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2381 "Removed, use the crop filter instead", "size" },
2382 { "cropbottom", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2383 "Removed, use the crop filter instead", "size" },
2384 { "cropleft", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2385 "Removed, use the crop filter instead", "size" },
2386 { "cropright", OPT_VIDEO | HAS_ARG, { .func_arg = opt_frame_crop },
2387 "Removed, use the crop filter instead", "size" },
2388 { "padtop", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2389 "Removed, use the pad filter instead", "size" },
2390 { "padbottom", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2391 "Removed, use the pad filter instead", "size" },
2392 { "padleft", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2393 "Removed, use the pad filter instead", "size" },
2394 { "padright", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2395 "Removed, use the pad filter instead", "size" },
2396 { "padcolor", OPT_VIDEO | HAS_ARG, { .func_arg = opt_pad },
2397 "Removed, use the pad filter instead", "color" },
2398 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
2399 "deprecated use -g 1" },
2400 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET, { .off = OFFSET(video_disable) },
2402 { "vdt", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &video_discard },
2403 "discard threshold", "n" },
2404 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(rc_overrides) },
2405 "rate control override for specific intervals", "override" },
2406 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_codec },
2407 "force video codec ('copy' to copy stream)", "codec" },
2408 { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
2410 { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
2412 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_timecode },
2413 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
2414 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT, { .off = OFFSET(pass) },
2415 "select the pass number (1 to 3)", "n" },
2416 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(passlogfiles) },
2417 "select two pass log file name prefix", "prefix" },
2418 { "deinterlace", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_deinterlace },
2419 "this option is deprecated, use the yadif filter instead" },
2420 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
2421 "calculate PSNR of compressed frames" },
2422 { "vstats", OPT_VIDEO | OPT_EXPERT , { &opt_vstats },
2423 "dump video coding statistics to file" },
2424 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { opt_vstats_file },
2425 "dump video coding statistics to file", "file" },
2426 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_filters },
2427 "video filters", "filter list" },
2428 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(intra_matrices) },
2429 "specify intra matrix coeffs", "matrix" },
2430 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC, { .off = OFFSET(inter_matrices) },
2431 "specify inter matrix coeffs", "matrix" },
2432 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC, { .off = OFFSET(top_field_first) },
2433 "top=1/bottom=0/auto=-1 field first", "" },
2434 { "dc", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &intra_dc_precision },
2435 "intra_dc_precision", "precision" },
2436 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_old2new },
2437 "force video tag/fourcc", "fourcc/tag" },
2438 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
2439 "show QP histogram" },
2440 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC, { .off = OFFSET(force_fps) },
2441 "force the selected framerate, disable the best supported framerate selection" },
2442 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_streamid },
2443 "set the value of an outfile streamid", "streamIndex:value" },
2444 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_SPEC,
2445 { .off = OFFSET(forced_key_frames) },
2446 "force key frames at specified timestamps", "timestamps" },
2447 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_bitrate },
2448 "video bitrate (please use -b:v)", "bitrate" },
2451 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_frames },
2452 "set the number of audio frames to record", "number" },
2453 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_qscale },
2454 "set audio quality (codec-specific)", "quality", },
2455 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC, { .off = OFFSET(audio_sample_rate) },
2456 "set audio sampling rate (in Hz)", "rate" },
2457 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC, { .off = OFFSET(audio_channels) },
2458 "set number of audio channels", "channels" },
2459 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET, { .off = OFFSET(audio_disable) },
2461 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_codec },
2462 "force audio codec ('copy' to copy stream)", "codec" },
2463 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_old2new },
2464 "force audio tag/fourcc", "fourcc/tag" },
2465 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
2466 "change audio volume (256=normal)" , "volume" },
2467 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_STRING, { .off = OFFSET(sample_fmts) },
2468 "set sample format", "format" },
2469 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_channel_layout },
2470 "set channel layout", "layout" },
2471 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_audio_filters },
2472 "audio filters", "filter list" },
2474 /* subtitle options */
2475 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET, { .off = OFFSET(subtitle_disable) },
2476 "disable subtitle" },
2477 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE, { .func_arg = opt_subtitle_codec },
2478 "force subtitle codec ('copy' to copy stream)", "codec" },
2479 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE, { .func_arg = opt_old2new }
2480 , "force subtitle tag/fourcc", "fourcc/tag" },
2481 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC, { .off = OFFSET(fix_sub_duration) },
2482 "fix subtitles duration" },
2485 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
2486 "deprecated, use -channel", "channel" },
2487 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
2488 "deprecated, use -standard", "standard" },
2489 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
2492 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(mux_max_delay) },
2493 "set the maximum demux-decode delay", "seconds" },
2494 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, { .off = OFFSET(mux_preload) },
2495 "set the initial demux-decode delay", "seconds" },
2497 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT, { .off = OFFSET(bitstream_filters) },
2498 "A comma-separated list of bitstream filters", "bitstream_filters" },
2499 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_old2new },
2500 "deprecated", "audio bitstream_filters" },
2501 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_old2new },
2502 "deprecated", "video bitstream_filters" },
2504 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2505 "set the audio options to the indicated preset", "preset" },
2506 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2507 "set the video options to the indicated preset", "preset" },
2508 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2509 "set the subtitle options to the indicated preset", "preset" },
2510 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE, { .func_arg = opt_preset },
2511 "set options from indicated preset file", "filename" },
2512 /* data codec support */
2513 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT, { .func_arg = opt_data_codec },
2514 "force data codec ('copy' to copy stream)", "codec" },
2515 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, { .off = OFFSET(data_disable) },
2518 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, { .func_arg = opt_default },
2519 "generic catch all option", "" },