2 * ffmpeg option parsing
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "libavformat/avformat.h"
28 #include "libavcodec/avcodec.h"
30 #include "libavfilter/avfilter.h"
32 #include "libavutil/avassert.h"
33 #include "libavutil/avstring.h"
34 #include "libavutil/avutil.h"
35 #include "libavutil/channel_layout.h"
36 #include "libavutil/intreadwrite.h"
37 #include "libavutil/fifo.h"
38 #include "libavutil/mathematics.h"
39 #include "libavutil/opt.h"
40 #include "libavutil/parseutils.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/pixfmt.h"
44 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
47 for (i = 0; i < o->nb_ ## name; i++) {\
48 char *spec = o->name[i].specifier;\
49 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
50 outvar = o->name[i].u.type;\
56 #define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
59 for (i = 0; i < o->nb_ ## name; i++) {\
60 char *spec = o->name[i].specifier;\
61 if (!strcmp(spec, mediatype))\
62 outvar = o->name[i].u.type;\
66 const HWAccel hwaccels[] = {
68 { "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
71 { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD },
74 { "vda", vda_init, HWACCEL_VDA, AV_PIX_FMT_VDA },
79 char *vstats_filename;
82 float audio_drift_threshold = 0.1;
83 float dts_delta_threshold = 10;
84 float dts_error_threshold = 3600*30;
86 int audio_volume = 256;
87 int audio_sync_method = 0;
88 int video_sync_method = VSYNC_AUTO;
89 int do_deinterlace = 0;
91 int do_benchmark_all = 0;
95 int start_at_zero = 0;
98 int exit_on_error = 0;
101 int stdin_interaction = 1;
102 int frame_bits_per_raw_sample = 0;
103 float max_error_rate = 2.0/3;
106 static int intra_only = 0;
107 static int file_overwrite = 0;
108 static int no_file_overwrite = 0;
109 static int do_psnr = 0;
110 static int input_sync;
111 static int override_ffserver = 0;
113 static void uninit_options(OptionsContext *o)
115 const OptionDef *po = options;
118 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
120 void *dst = (uint8_t*)o + po->u.off;
122 if (po->flags & OPT_SPEC) {
123 SpecifierOpt **so = dst;
124 int i, *count = (int*)(so + 1);
125 for (i = 0; i < *count; i++) {
126 av_freep(&(*so)[i].specifier);
127 if (po->flags & OPT_STRING)
128 av_freep(&(*so)[i].u.str);
132 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
137 for (i = 0; i < o->nb_stream_maps; i++)
138 av_freep(&o->stream_maps[i].linklabel);
139 av_freep(&o->stream_maps);
140 av_freep(&o->audio_channel_maps);
141 av_freep(&o->streamid_map);
142 av_freep(&o->attachments);
145 static void init_options(OptionsContext *o)
147 memset(o, 0, sizeof(*o));
149 o->stop_time = INT64_MAX;
150 o->mux_max_delay = 0.7;
151 o->start_time = AV_NOPTS_VALUE;
152 o->recording_time = INT64_MAX;
153 o->limit_filesize = UINT64_MAX;
154 o->chapters_input_file = INT_MAX;
155 o->accurate_seek = 1;
158 /* return a copy of the input with the stream specifiers removed from the keys */
159 static AVDictionary *strip_specifiers(AVDictionary *dict)
161 AVDictionaryEntry *e = NULL;
162 AVDictionary *ret = NULL;
164 while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
165 char *p = strchr(e->key, ':');
169 av_dict_set(&ret, e->key, e->value, 0);
176 static int opt_sameq(void *optctx, const char *opt, const char *arg)
178 av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
179 "If you are looking for an option to preserve the quality (which is not "
180 "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
182 return AVERROR(EINVAL);
185 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
187 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
188 return opt_default(optctx, "channel", arg);
191 static int opt_video_standard(void *optctx, const char *opt, const char *arg)
193 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
194 return opt_default(optctx, "standard", arg);
197 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
199 OptionsContext *o = optctx;
200 return parse_option(o, "codec:a", arg, options);
203 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
205 OptionsContext *o = optctx;
206 return parse_option(o, "codec:v", arg, options);
209 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
211 OptionsContext *o = optctx;
212 return parse_option(o, "codec:s", arg, options);
215 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
217 OptionsContext *o = optctx;
218 return parse_option(o, "codec:d", arg, options);
221 static int opt_map(void *optctx, const char *opt, const char *arg)
223 OptionsContext *o = optctx;
225 int i, negative = 0, file_idx;
226 int sync_file_idx = -1, sync_stream_idx = 0;
234 map = av_strdup(arg);
236 return AVERROR(ENOMEM);
238 /* parse sync stream first, just pick first matching stream */
239 if (sync = strchr(map, ',')) {
241 sync_file_idx = strtol(sync + 1, &sync, 0);
242 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
243 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
248 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
249 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
250 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
254 if (i == input_files[sync_file_idx]->nb_streams) {
255 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
256 "match any streams.\n", arg);
263 /* this mapping refers to lavfi output */
264 const char *c = map + 1;
265 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
266 m = &o->stream_maps[o->nb_stream_maps - 1];
267 m->linklabel = av_get_token(&c, "]");
269 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
273 file_idx = strtol(map, &p, 0);
274 if (file_idx >= nb_input_files || file_idx < 0) {
275 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
279 /* disable some already defined maps */
280 for (i = 0; i < o->nb_stream_maps; i++) {
281 m = &o->stream_maps[i];
282 if (file_idx == m->file_index &&
283 check_stream_specifier(input_files[m->file_index]->ctx,
284 input_files[m->file_index]->ctx->streams[m->stream_index],
285 *p == ':' ? p + 1 : p) > 0)
289 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
290 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
291 *p == ':' ? p + 1 : p) <= 0)
293 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
294 m = &o->stream_maps[o->nb_stream_maps - 1];
296 m->file_index = file_idx;
299 if (sync_file_idx >= 0) {
300 m->sync_file_index = sync_file_idx;
301 m->sync_stream_index = sync_stream_idx;
303 m->sync_file_index = file_idx;
304 m->sync_stream_index = i;
310 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
318 static int opt_attach(void *optctx, const char *opt, const char *arg)
320 OptionsContext *o = optctx;
321 GROW_ARRAY(o->attachments, o->nb_attachments);
322 o->attachments[o->nb_attachments - 1] = arg;
326 static int opt_map_channel(void *optctx, const char *opt, const char *arg)
328 OptionsContext *o = optctx;
333 GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
334 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
336 /* muted channel syntax */
337 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
338 if ((n == 1 || n == 3) && m->channel_idx == -1) {
339 m->file_idx = m->stream_idx = -1;
341 m->ofile_idx = m->ostream_idx = -1;
346 n = sscanf(arg, "%d.%d.%d:%d.%d",
347 &m->file_idx, &m->stream_idx, &m->channel_idx,
348 &m->ofile_idx, &m->ostream_idx);
350 if (n != 3 && n != 5) {
351 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
352 "[file.stream.channel|-1][:syncfile:syncstream]\n");
356 if (n != 5) // only file.stream.channel specified
357 m->ofile_idx = m->ostream_idx = -1;
360 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
361 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
365 if (m->stream_idx < 0 ||
366 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
367 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
368 m->file_idx, m->stream_idx);
371 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
372 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
373 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
374 m->file_idx, m->stream_idx);
377 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
378 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
379 m->file_idx, m->stream_idx, m->channel_idx);
385 static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
387 av_free(sdp_filename);
388 sdp_filename = av_strdup(arg);
393 * Parse a metadata specifier passed as 'arg' parameter.
394 * @param arg metadata string to parse
395 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
396 * @param index for type c/p, chapter/program index is written here
397 * @param stream_spec for type s, the stream specifier is written here
399 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
407 if (*(++arg) && *arg != ':') {
408 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
411 *stream_spec = *arg == ':' ? arg + 1 : "";
416 *index = strtol(++arg, NULL, 0);
419 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
426 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
428 AVDictionary **meta_in = NULL;
429 AVDictionary **meta_out = NULL;
431 char type_in, type_out;
432 const char *istream_spec = NULL, *ostream_spec = NULL;
433 int idx_in = 0, idx_out = 0;
435 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
436 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
439 if (type_out == 'g' || !*outspec)
440 o->metadata_global_manual = 1;
441 if (type_out == 's' || !*outspec)
442 o->metadata_streams_manual = 1;
443 if (type_out == 'c' || !*outspec)
444 o->metadata_chapters_manual = 1;
448 if (type_in == 'g' || type_out == 'g')
449 o->metadata_global_manual = 1;
450 if (type_in == 's' || type_out == 's')
451 o->metadata_streams_manual = 1;
452 if (type_in == 'c' || type_out == 'c')
453 o->metadata_chapters_manual = 1;
455 /* ic is NULL when just disabling automatic mappings */
459 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
460 if ((index) < 0 || (index) >= (nb_elems)) {\
461 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
466 #define SET_DICT(type, meta, context, index)\
469 meta = &context->metadata;\
472 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
473 meta = &context->chapters[index]->metadata;\
476 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
477 meta = &context->programs[index]->metadata;\
480 break; /* handled separately below */ \
481 default: av_assert0(0);\
484 SET_DICT(type_in, meta_in, ic, idx_in);
485 SET_DICT(type_out, meta_out, oc, idx_out);
487 /* for input streams choose first matching stream */
488 if (type_in == 's') {
489 for (i = 0; i < ic->nb_streams; i++) {
490 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
491 meta_in = &ic->streams[i]->metadata;
497 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
502 if (type_out == 's') {
503 for (i = 0; i < oc->nb_streams; i++) {
504 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
505 meta_out = &oc->streams[i]->metadata;
506 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
511 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
516 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
518 OptionsContext *o = optctx;
520 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
521 struct tm time = *gmtime((time_t*)&recording_timestamp);
522 if (!strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time))
524 parse_option(o, "metadata", buf, options);
526 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
527 "tag instead.\n", opt);
531 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
533 const AVCodecDescriptor *desc;
534 const char *codec_string = encoder ? "encoder" : "decoder";
538 avcodec_find_encoder_by_name(name) :
539 avcodec_find_decoder_by_name(name);
541 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
542 codec = encoder ? avcodec_find_encoder(desc->id) :
543 avcodec_find_decoder(desc->id);
545 av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
546 codec_string, codec->name, desc->name);
550 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
553 if (codec->type != type) {
554 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
560 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
562 char *codec_name = NULL;
564 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
566 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
567 st->codec->codec_id = codec->id;
570 return avcodec_find_decoder(st->codec->codec_id);
573 /* Add all the streams from the given input file to the global
574 * list of input streams. */
575 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
579 for (i = 0; i < ic->nb_streams; i++) {
580 AVStream *st = ic->streams[i];
581 AVCodecContext *dec = st->codec;
582 InputStream *ist = av_mallocz(sizeof(*ist));
583 char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
584 char *codec_tag = NULL;
586 char *discard_str = NULL;
587 const AVOption *discard_opt = av_opt_find(dec, "skip_frame", NULL, 0, 0);
592 GROW_ARRAY(input_streams, nb_input_streams);
593 input_streams[nb_input_streams - 1] = ist;
596 ist->file_index = nb_input_files;
598 st->discard = AVDISCARD_ALL;
601 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
603 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
605 uint32_t tag = strtol(codec_tag, &next, 0);
607 tag = AV_RL32(codec_tag);
608 st->codec->codec_tag = tag;
611 ist->dec = choose_decoder(o, ic, st);
612 ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec);
614 ist->reinit_filters = -1;
615 MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
617 MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
618 ist->user_set_discard = AVDISCARD_NONE;
619 if (discard_str && av_opt_eval_int(dec, discard_opt, discard_str, &ist->user_set_discard) < 0) {
620 av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
625 ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
627 ist->dec_ctx = avcodec_alloc_context3(ist->dec);
629 av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
633 ret = avcodec_copy_context(ist->dec_ctx, dec);
635 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
639 switch (dec->codec_type) {
640 case AVMEDIA_TYPE_VIDEO:
642 ist->dec = avcodec_find_decoder(dec->codec_id);
643 if (av_codec_get_lowres(dec)) {
644 dec->flags |= CODEC_FLAG_EMU_EDGE;
647 ist->resample_height = ist->dec_ctx->height;
648 ist->resample_width = ist->dec_ctx->width;
649 ist->resample_pix_fmt = ist->dec_ctx->pix_fmt;
651 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
652 if (framerate && av_parse_video_rate(&ist->framerate,
654 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
659 ist->top_field_first = -1;
660 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
662 MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
664 if (!strcmp(hwaccel, "none"))
665 ist->hwaccel_id = HWACCEL_NONE;
666 else if (!strcmp(hwaccel, "auto"))
667 ist->hwaccel_id = HWACCEL_AUTO;
670 for (i = 0; hwaccels[i].name; i++) {
671 if (!strcmp(hwaccels[i].name, hwaccel)) {
672 ist->hwaccel_id = hwaccels[i].id;
677 if (!ist->hwaccel_id) {
678 av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
680 av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
681 for (i = 0; hwaccels[i].name; i++)
682 av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name);
683 av_log(NULL, AV_LOG_FATAL, "\n");
689 MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
690 if (hwaccel_device) {
691 ist->hwaccel_device = av_strdup(hwaccel_device);
692 if (!ist->hwaccel_device)
695 ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
698 case AVMEDIA_TYPE_AUDIO:
699 ist->guess_layout_max = INT_MAX;
700 MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
701 guess_input_channel_layout(ist);
703 ist->resample_sample_fmt = ist->dec_ctx->sample_fmt;
704 ist->resample_sample_rate = ist->dec_ctx->sample_rate;
705 ist->resample_channels = ist->dec_ctx->channels;
706 ist->resample_channel_layout = ist->dec_ctx->channel_layout;
709 case AVMEDIA_TYPE_DATA:
710 case AVMEDIA_TYPE_SUBTITLE: {
711 char *canvas_size = NULL;
713 ist->dec = avcodec_find_decoder(dec->codec_id);
714 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
715 MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
717 av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
718 av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
723 case AVMEDIA_TYPE_ATTACHMENT:
724 case AVMEDIA_TYPE_UNKNOWN:
732 static void assert_file_overwrite(const char *filename)
734 if (file_overwrite && no_file_overwrite) {
735 fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
739 if (!file_overwrite) {
740 const char *proto_name = avio_find_protocol_name(filename);
741 if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
742 if (stdin_interaction && !no_file_overwrite) {
743 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
746 signal(SIGINT, SIG_DFL);
748 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
754 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
761 static void dump_attachment(AVStream *st, const char *filename)
764 AVIOContext *out = NULL;
765 AVDictionaryEntry *e;
767 if (!st->codec->extradata_size) {
768 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
769 nb_input_files - 1, st->index);
772 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
775 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
776 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
780 assert_file_overwrite(filename);
782 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
783 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
788 avio_write(out, st->codec->extradata, st->codec->extradata_size);
793 static int open_input_file(OptionsContext *o, const char *filename)
797 AVInputFormat *file_iformat = NULL;
801 AVDictionary *unused_opts = NULL;
802 AVDictionaryEntry *e = NULL;
803 int orig_nb_streams; // number of streams before avformat_find_stream_info
804 char * video_codec_name = NULL;
805 char * audio_codec_name = NULL;
806 char *subtitle_codec_name = NULL;
807 int scan_all_pmts_set = 0;
810 if (!(file_iformat = av_find_input_format(o->format))) {
811 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
816 if (!strcmp(filename, "-"))
819 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
820 strcmp(filename, "/dev/stdin");
822 /* get default parameters from command line */
823 ic = avformat_alloc_context();
825 print_error(filename, AVERROR(ENOMEM));
828 if (o->nb_audio_sample_rate) {
829 av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
831 if (o->nb_audio_channels) {
832 /* because we set audio_channels based on both the "ac" and
833 * "channel_layout" options, we need to check that the specified
834 * demuxer actually has the "channels" option before setting it */
835 if (file_iformat && file_iformat->priv_class &&
836 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
837 AV_OPT_SEARCH_FAKE_OBJ)) {
838 av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
841 if (o->nb_frame_rates) {
842 /* set the format-level framerate option;
843 * this is important for video grabbers, e.g. x11 */
844 if (file_iformat && file_iformat->priv_class &&
845 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
846 AV_OPT_SEARCH_FAKE_OBJ)) {
847 av_dict_set(&o->g->format_opts, "framerate",
848 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
851 if (o->nb_frame_sizes) {
852 av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
854 if (o->nb_frame_pix_fmts)
855 av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
857 MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
858 MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
859 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
861 ic->video_codec_id = video_codec_name ?
862 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
863 ic->audio_codec_id = audio_codec_name ?
864 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
865 ic->subtitle_codec_id= subtitle_codec_name ?
866 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
868 if (video_codec_name)
869 av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0));
870 if (audio_codec_name)
871 av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0));
872 if (subtitle_codec_name)
873 av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0));
875 ic->flags |= AVFMT_FLAG_NONBLOCK;
876 ic->interrupt_callback = int_cb;
878 if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
879 av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
880 scan_all_pmts_set = 1;
882 /* open the input file with generic avformat function */
883 err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
885 print_error(filename, err);
888 if (scan_all_pmts_set)
889 av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
890 remove_avoptions(&o->g->format_opts, o->g->codec_opts);
891 assert_avoptions(o->g->format_opts);
893 /* apply forced codec ids */
894 for (i = 0; i < ic->nb_streams; i++)
895 choose_decoder(o, ic, ic->streams[i]);
897 /* Set AVCodecContext options for avformat_find_stream_info */
898 opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
899 orig_nb_streams = ic->nb_streams;
901 /* If not enough info to get the stream parameters, we decode the
902 first frames to get it. (used in mpeg case for example) */
903 ret = avformat_find_stream_info(ic, opts);
905 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
906 if (ic->nb_streams == 0) {
907 avformat_close_input(&ic);
912 timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
913 /* add the stream start time */
914 if (ic->start_time != AV_NOPTS_VALUE)
915 timestamp += ic->start_time;
917 /* if seeking requested, we execute it */
918 if (o->start_time != AV_NOPTS_VALUE) {
919 ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, timestamp, 0);
921 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
922 filename, (double)timestamp / AV_TIME_BASE);
926 /* update the current parameters so that they match the one of the input stream */
927 add_input_streams(o, ic);
929 /* dump the file content */
930 av_dump_format(ic, nb_input_files, filename, 0);
932 GROW_ARRAY(input_files, nb_input_files);
933 f = av_mallocz(sizeof(*f));
936 input_files[nb_input_files - 1] = f;
939 f->ist_index = nb_input_streams - ic->nb_streams;
940 f->start_time = o->start_time;
941 f->recording_time = o->recording_time;
942 f->input_ts_offset = o->input_ts_offset;
943 f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
944 f->nb_streams = ic->nb_streams;
945 f->rate_emu = o->rate_emu;
946 f->accurate_seek = o->accurate_seek;
948 /* check if all codec options have been used */
949 unused_opts = strip_specifiers(o->g->codec_opts);
950 for (i = f->ist_index; i < nb_input_streams; i++) {
952 while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
953 AV_DICT_IGNORE_SUFFIX)))
954 av_dict_set(&unused_opts, e->key, NULL, 0);
958 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
959 const AVClass *class = avcodec_get_class();
960 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
961 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
962 const AVClass *fclass = avformat_get_class();
963 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
964 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
965 if (!option || foption)
969 if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
970 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
971 "input file #%d (%s) is not a decoding option.\n", e->key,
972 option->help ? option->help : "", nb_input_files - 1,
977 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
978 "input file #%d (%s) has not been used for any stream. The most "
979 "likely reason is either wrong type (e.g. a video option with "
980 "no video streams) or that it is a private option of some decoder "
981 "which was not actually used for any stream.\n", e->key,
982 option->help ? option->help : "", nb_input_files - 1, filename);
984 av_dict_free(&unused_opts);
986 for (i = 0; i < o->nb_dump_attachment; i++) {
989 for (j = 0; j < ic->nb_streams; j++) {
990 AVStream *st = ic->streams[j];
992 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
993 dump_attachment(st, o->dump_attachment[i].u.str);
997 for (i = 0; i < orig_nb_streams; i++)
998 av_dict_free(&opts[i]);
1004 static uint8_t *get_line(AVIOContext *s)
1010 if (avio_open_dyn_buf(&line) < 0) {
1011 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
1015 while ((c = avio_r8(s)) && c != '\n')
1018 avio_close_dyn_buf(line, &buf);
1023 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
1026 char filename[1000];
1027 const char *base[3] = { getenv("AVCONV_DATADIR"),
1032 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
1036 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
1037 i != 1 ? "" : "/.avconv", codec_name, preset_name);
1038 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1041 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
1042 i != 1 ? "" : "/.avconv", preset_name);
1043 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1049 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
1051 char *codec_name = NULL;
1053 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
1055 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
1056 NULL, ost->st->codec->codec_type);
1057 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1058 } else if (!strcmp(codec_name, "copy"))
1059 ost->stream_copy = 1;
1061 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
1062 ost->st->codec->codec_id = ost->enc->id;
1066 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
1069 AVStream *st = avformat_new_stream(oc, NULL);
1070 int idx = oc->nb_streams - 1, ret = 0;
1071 char *bsf = NULL, *next, *codec_tag = NULL;
1072 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
1077 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
1081 if (oc->nb_streams - 1 < o->nb_streamid_map)
1082 st->id = o->streamid_map[oc->nb_streams - 1];
1084 GROW_ARRAY(output_streams, nb_output_streams);
1085 if (!(ost = av_mallocz(sizeof(*ost))))
1087 output_streams[nb_output_streams - 1] = ost;
1089 ost->file_index = nb_output_files - 1;
1092 st->codec->codec_type = type;
1093 choose_encoder(o, oc, ost);
1095 ost->enc_ctx = avcodec_alloc_context3(ost->enc);
1096 if (!ost->enc_ctx) {
1097 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
1100 ost->enc_ctx->codec_type = type;
1103 AVIOContext *s = NULL;
1104 char *buf = NULL, *arg = NULL, *preset = NULL;
1106 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
1108 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
1109 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
1112 if (!buf[0] || buf[0] == '#') {
1116 if (!(arg = strchr(buf, '='))) {
1117 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
1121 av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
1123 } while (!s->eof_reached);
1127 av_log(NULL, AV_LOG_FATAL,
1128 "Preset %s specified for stream %d:%d, but could not be opened.\n",
1129 preset, ost->file_index, ost->index);
1133 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
1136 ost->max_frames = INT64_MAX;
1137 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
1138 for (i = 0; i<o->nb_max_frames; i++) {
1139 char *p = o->max_frames[i].specifier;
1140 if (!*p && type != AVMEDIA_TYPE_VIDEO) {
1141 av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
1146 ost->copy_prior_start = -1;
1147 MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
1149 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
1152 if (next = strchr(bsf, ','))
1154 if (arg = strchr(bsf, '='))
1156 if (!(bsfc = av_bitstream_filter_init(bsf))) {
1157 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
1161 bsfc_prev->next = bsfc;
1163 ost->bitstream_filters = bsfc;
1164 av_dict_set(&ost->bsf_args, bsfc->filter->name, arg, 0);
1170 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
1172 uint32_t tag = strtol(codec_tag, &next, 0);
1174 tag = AV_RL32(codec_tag);
1175 ost->enc_ctx->codec_tag = tag;
1178 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
1180 ost->enc_ctx->flags |= CODEC_FLAG_QSCALE;
1181 ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
1184 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
1185 ost->enc_ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
1187 av_opt_get_int(o->g->sws_opts, "sws_flags", 0, &ost->sws_flags);
1189 av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
1190 if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
1191 av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
1193 av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
1195 ost->source_index = source_index;
1196 if (source_index >= 0) {
1197 ost->sync_ist = input_streams[source_index];
1198 input_streams[source_index]->discard = 0;
1199 input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
1201 ost->last_mux_dts = AV_NOPTS_VALUE;
1206 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1209 const char *p = str;
1216 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1223 /* read file contents into a string */
1224 static uint8_t *read_file(const char *filename)
1226 AVIOContext *pb = NULL;
1227 AVIOContext *dyn_buf = NULL;
1228 int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
1229 uint8_t buf[1024], *str;
1232 av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
1236 ret = avio_open_dyn_buf(&dyn_buf);
1241 while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
1242 avio_write(dyn_buf, buf, ret);
1243 avio_w8(dyn_buf, 0);
1246 ret = avio_close_dyn_buf(dyn_buf, &str);
1252 static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
1255 AVStream *st = ost->st;
1257 if (ost->filters_script && ost->filters) {
1258 av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
1259 "output stream #%d:%d.\n", nb_output_files, st->index);
1263 if (ost->filters_script)
1264 return read_file(ost->filters_script);
1265 else if (ost->filters)
1266 return av_strdup(ost->filters);
1268 return av_strdup(st->codec->codec_type == AVMEDIA_TYPE_VIDEO ?
1272 static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
1273 const OutputStream *ost, enum AVMediaType type)
1275 if (ost->filters_script || ost->filters) {
1276 av_log(NULL, AV_LOG_ERROR,
1277 "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
1278 "Filtering and streamcopy cannot be used together.\n",
1279 ost->filters ? "Filtergraph" : "Filtergraph script",
1280 ost->filters ? ost->filters : ost->filters_script,
1281 av_get_media_type_string(type), ost->file_index, ost->index);
1286 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1290 AVCodecContext *video_enc;
1291 char *frame_rate = NULL, *frame_aspect_ratio = NULL;
1293 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1295 video_enc = ost->enc_ctx;
1297 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1298 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1299 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1302 if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
1303 av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
1305 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1306 if (frame_aspect_ratio) {
1308 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1309 q.num <= 0 || q.den <= 0) {
1310 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1313 ost->frame_aspect_ratio = q;
1316 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1317 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1319 if (!ost->stream_copy) {
1320 const char *p = NULL;
1321 char *frame_size = NULL;
1322 char *frame_pix_fmt = NULL;
1323 char *intra_matrix = NULL, *inter_matrix = NULL;
1324 char *chroma_intra_matrix = NULL;
1328 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1329 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1330 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1334 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1335 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1336 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1337 ost->keep_pix_fmt = 1;
1338 if (!*++frame_pix_fmt)
1339 frame_pix_fmt = NULL;
1341 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1342 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1345 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1348 video_enc->gop_size = 0;
1349 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1351 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1352 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1355 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1357 MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
1358 if (chroma_intra_matrix) {
1359 uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
1361 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1364 av_codec_set_chroma_intra_matrix(video_enc, p);
1365 parse_matrix_coeffs(p, chroma_intra_matrix);
1367 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1369 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1370 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1373 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1376 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1377 for (i = 0; p; i++) {
1379 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1381 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1384 /* FIXME realloc failure */
1385 video_enc->rc_override =
1386 av_realloc(video_enc->rc_override,
1387 sizeof(RcOverride) * (i + 1));
1388 video_enc->rc_override[i].start_frame = start;
1389 video_enc->rc_override[i].end_frame = end;
1391 video_enc->rc_override[i].qscale = q;
1392 video_enc->rc_override[i].quality_factor = 1.0;
1395 video_enc->rc_override[i].qscale = 0;
1396 video_enc->rc_override[i].quality_factor = -q/100.0;
1401 video_enc->rc_override_count = i;
1404 video_enc->flags|= CODEC_FLAG_PSNR;
1407 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1410 video_enc->flags |= CODEC_FLAG_PASS1;
1411 av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
1414 video_enc->flags |= CODEC_FLAG_PASS2;
1415 av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
1419 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1420 if (ost->logfile_prefix &&
1421 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1424 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1425 if (ost->forced_keyframes)
1426 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1428 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1430 ost->top_field_first = -1;
1431 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1434 ost->avfilter = get_ost_filters(o, oc, ost);
1438 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1441 if (ost->stream_copy)
1442 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
1447 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1452 AVCodecContext *audio_enc;
1454 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1457 audio_enc = ost->enc_ctx;
1458 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1460 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1461 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1463 if (!ost->stream_copy) {
1464 char *sample_fmt = NULL;
1466 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1468 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1470 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1471 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1475 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1477 MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
1478 ost->apad = av_strdup(ost->apad);
1480 ost->avfilter = get_ost_filters(o, oc, ost);
1484 /* check for channel mapping for this audio stream */
1485 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1486 AudioChannelMap *map = &o->audio_channel_maps[n];
1487 if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1488 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1491 if (map->channel_idx == -1) {
1493 } else if (ost->source_index < 0) {
1494 av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
1495 ost->file_index, ost->st->index);
1498 ist = input_streams[ost->source_index];
1501 if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
1502 if (av_reallocp_array(&ost->audio_channels_map,
1503 ost->audio_channels_mapped + 1,
1504 sizeof(*ost->audio_channels_map)
1508 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1514 if (ost->stream_copy)
1515 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
1520 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1524 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1525 if (!ost->stream_copy) {
1526 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1533 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1535 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1536 ost->stream_copy = 1;
1541 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1545 AVCodecContext *subtitle_enc;
1547 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1549 subtitle_enc = ost->enc_ctx;
1551 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1553 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1555 if (!ost->stream_copy) {
1556 char *frame_size = NULL;
1558 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1559 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1560 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1568 /* arg format is "output-stream-index:streamid-value". */
1569 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1571 OptionsContext *o = optctx;
1576 av_strlcpy(idx_str, arg, sizeof(idx_str));
1577 p = strchr(idx_str, ':');
1579 av_log(NULL, AV_LOG_FATAL,
1580 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1585 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1586 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1587 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1591 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1593 AVFormatContext *is = ifile->ctx;
1594 AVFormatContext *os = ofile->ctx;
1598 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1600 return AVERROR(ENOMEM);
1603 for (i = 0; i < is->nb_chapters; i++) {
1604 AVChapter *in_ch = is->chapters[i], *out_ch;
1605 int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
1606 int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
1607 AV_TIME_BASE_Q, in_ch->time_base);
1608 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1609 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1612 if (in_ch->end < ts_off)
1614 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1617 out_ch = av_mallocz(sizeof(AVChapter));
1619 return AVERROR(ENOMEM);
1621 out_ch->id = in_ch->id;
1622 out_ch->time_base = in_ch->time_base;
1623 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1624 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1627 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1629 os->chapters[os->nb_chapters++] = out_ch;
1634 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1637 AVFormatContext *ic = avformat_alloc_context();
1639 ic->interrupt_callback = int_cb;
1640 err = avformat_open_input(&ic, filename, NULL, NULL);
1643 /* copy stream format */
1644 for(i=0;i<ic->nb_streams;i++) {
1648 const char *enc_config;
1650 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
1652 av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codec->codec_id);
1653 return AVERROR(EINVAL);
1655 if (codec->type == AVMEDIA_TYPE_AUDIO)
1656 opt_audio_codec(o, "c:a", codec->name);
1657 else if (codec->type == AVMEDIA_TYPE_VIDEO)
1658 opt_video_codec(o, "c:v", codec->name);
1659 ost = new_output_stream(o, s, codec->type, -1);
1662 avcodec_get_context_defaults3(st->codec, codec);
1663 enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
1665 AVDictionary *opts = NULL;
1666 av_dict_parse_string(&opts, enc_config, "=", ",", 0);
1667 av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
1668 av_dict_free(&opts);
1671 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1672 choose_sample_fmt(st, codec);
1673 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1674 choose_pixel_fmt(st, st->codec, codec, st->codec->pix_fmt);
1675 avcodec_copy_context(ost->enc_ctx, st->codec);
1677 av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
1680 avformat_close_input(&ic);
1684 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1685 AVFormatContext *oc)
1689 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1690 ofilter->out_tmp->pad_idx)) {
1691 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1692 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1694 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1699 ost->source_index = -1;
1700 ost->filter = ofilter;
1704 if (ost->stream_copy) {
1705 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1706 "which is fed from a complex filtergraph. Filtering and streamcopy "
1707 "cannot be used together.\n", ost->file_index, ost->index);
1711 if (ost->avfilter && (ost->filters || ost->filters_script)) {
1712 const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
1713 av_log(NULL, AV_LOG_ERROR,
1714 "%s '%s' was specified through the %s option "
1715 "for output stream %d:%d, which is fed from a complex filtergraph.\n"
1716 "%s and -filter_complex cannot be used together for the same stream.\n",
1717 ost->filters ? "Filtergraph" : "Filtergraph script",
1718 ost->filters ? ost->filters : ost->filters_script,
1719 opt, ost->file_index, ost->index, opt);
1723 if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
1724 av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
1727 avfilter_inout_free(&ofilter->out_tmp);
1730 static int configure_complex_filters(void)
1734 for (i = 0; i < nb_filtergraphs; i++)
1735 if (!filtergraphs[i]->graph &&
1736 (ret = configure_filtergraph(filtergraphs[i])) < 0)
1741 static int open_output_file(OptionsContext *o, const char *filename)
1743 AVFormatContext *oc;
1745 AVOutputFormat *file_oformat;
1749 AVDictionary *unused_opts = NULL;
1750 AVDictionaryEntry *e = NULL;
1752 if (configure_complex_filters() < 0) {
1753 av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
1757 if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
1758 o->stop_time = INT64_MAX;
1759 av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
1762 if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
1763 int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
1764 if (o->stop_time <= start_time) {
1765 av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
1768 o->recording_time = o->stop_time - start_time;
1772 GROW_ARRAY(output_files, nb_output_files);
1773 of = av_mallocz(sizeof(*of));
1776 output_files[nb_output_files - 1] = of;
1778 of->ost_index = nb_output_streams;
1779 of->recording_time = o->recording_time;
1780 of->start_time = o->start_time;
1781 of->limit_filesize = o->limit_filesize;
1782 of->shortest = o->shortest;
1783 av_dict_copy(&of->opts, o->g->format_opts, 0);
1785 if (!strcmp(filename, "-"))
1788 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
1790 print_error(filename, err);
1795 if (o->recording_time != INT64_MAX)
1796 oc->duration = o->recording_time;
1798 file_oformat= oc->oformat;
1799 oc->interrupt_callback = int_cb;
1801 /* create streams for all unlabeled output pads */
1802 for (i = 0; i < nb_filtergraphs; i++) {
1803 FilterGraph *fg = filtergraphs[i];
1804 for (j = 0; j < fg->nb_outputs; j++) {
1805 OutputFilter *ofilter = fg->outputs[j];
1807 if (!ofilter->out_tmp || ofilter->out_tmp->name)
1810 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1811 ofilter->out_tmp->pad_idx)) {
1812 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
1813 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
1814 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
1816 init_output_filter(ofilter, o, oc);
1820 /* ffserver seeking with date=... needs a date reference */
1821 if (!strcmp(file_oformat->name, "ffm") &&
1822 av_strstart(filename, "http:", NULL)) {
1823 int err = parse_option(o, "metadata", "creation_time=now", options);
1825 print_error(filename, err);
1830 if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
1831 av_strstart(filename, "http:", NULL)) {
1833 /* special case for files sent to ffserver: we get the stream
1834 parameters from ffserver */
1835 int err = read_ffserver_streams(o, oc, filename);
1837 print_error(filename, err);
1840 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
1841 ost = output_streams[j];
1842 for (i = 0; i < nb_input_streams; i++) {
1843 ist = input_streams[i];
1844 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
1846 ost->source_index= i;
1847 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
1848 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
1850 ist->st->discard = ist->user_set_discard;
1855 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));
1859 } else if (!o->nb_stream_maps) {
1860 char *subtitle_codec_name = NULL;
1861 /* pick the "best" stream of each type */
1863 /* video: highest resolution */
1864 if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
1865 int area = 0, idx = -1;
1866 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
1867 for (i = 0; i < nb_input_streams; i++) {
1869 ist = input_streams[i];
1870 new_area = ist->st->codec->width * ist->st->codec->height;
1871 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
1873 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1875 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
1882 new_video_stream(o, oc, idx);
1885 /* audio: most channels */
1886 if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
1887 int channels = 0, idx = -1;
1888 for (i = 0; i < nb_input_streams; i++) {
1889 ist = input_streams[i];
1890 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
1891 ist->st->codec->channels > channels) {
1892 channels = ist->st->codec->channels;
1897 new_audio_stream(o, oc, idx);
1900 /* subtitles: pick first */
1901 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
1902 if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
1903 for (i = 0; i < nb_input_streams; i++)
1904 if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1905 AVCodecDescriptor const *input_descriptor =
1906 avcodec_descriptor_get(input_streams[i]->st->codec->codec_id);
1907 AVCodecDescriptor const *output_descriptor = NULL;
1908 AVCodec const *output_codec =
1909 avcodec_find_encoder(oc->oformat->subtitle_codec);
1910 int input_props = 0, output_props = 0;
1912 output_descriptor = avcodec_descriptor_get(output_codec->id);
1913 if (input_descriptor)
1914 input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
1915 if (output_descriptor)
1916 output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
1917 if (subtitle_codec_name ||
1918 input_props & output_props ||
1919 // Map dvb teletext which has neither property to any output subtitle encoder
1920 input_descriptor && output_descriptor &&
1921 (!input_descriptor->props ||
1922 !output_descriptor->props)) {
1923 new_subtitle_stream(o, oc, i);
1928 /* do something with data? */
1930 for (i = 0; i < o->nb_stream_maps; i++) {
1931 StreamMap *map = &o->stream_maps[i];
1936 if (map->linklabel) {
1938 OutputFilter *ofilter = NULL;
1941 for (j = 0; j < nb_filtergraphs; j++) {
1942 fg = filtergraphs[j];
1943 for (k = 0; k < fg->nb_outputs; k++) {
1944 AVFilterInOut *out = fg->outputs[k]->out_tmp;
1945 if (out && !strcmp(out->name, map->linklabel)) {
1946 ofilter = fg->outputs[k];
1953 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
1954 "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
1957 init_output_filter(ofilter, o, oc);
1959 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
1961 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
1962 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
1964 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1966 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1968 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
1971 switch (ist->st->codec->codec_type) {
1972 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
1973 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
1974 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
1975 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
1976 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
1978 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
1979 map->file_index, map->stream_index);
1986 /* handle attached files */
1987 for (i = 0; i < o->nb_attachments; i++) {
1989 uint8_t *attachment;
1993 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
1994 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
1998 if ((len = avio_size(pb)) <= 0) {
1999 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
2003 if (!(attachment = av_malloc(len))) {
2004 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
2008 avio_read(pb, attachment, len);
2010 ost = new_attachment_stream(o, oc, -1);
2011 ost->stream_copy = 0;
2012 ost->attachment_filename = o->attachments[i];
2014 ost->enc_ctx->extradata = attachment;
2015 ost->enc_ctx->extradata_size = len;
2017 p = strrchr(o->attachments[i], '/');
2018 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
2022 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
2023 AVDictionaryEntry *e;
2024 ost = output_streams[i];
2026 if ((ost->stream_copy || ost->attachment_filename)
2027 && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
2028 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
2029 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
2033 /* check if all codec options have been used */
2034 unused_opts = strip_specifiers(o->g->codec_opts);
2035 for (i = of->ost_index; i < nb_output_streams; i++) {
2037 while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
2038 AV_DICT_IGNORE_SUFFIX)))
2039 av_dict_set(&unused_opts, e->key, NULL, 0);
2043 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
2044 const AVClass *class = avcodec_get_class();
2045 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
2046 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2047 const AVClass *fclass = avformat_get_class();
2048 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
2049 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2050 if (!option || foption)
2054 if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
2055 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
2056 "output file #%d (%s) is not an encoding option.\n", e->key,
2057 option->help ? option->help : "", nb_output_files - 1,
2062 // gop_timecode is injected by generic code but not always used
2063 if (!strcmp(e->key, "gop_timecode"))
2066 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
2067 "output file #%d (%s) has not been used for any stream. The most "
2068 "likely reason is either wrong type (e.g. a video option with "
2069 "no video streams) or that it is a private option of some encoder "
2070 "which was not actually used for any stream.\n", e->key,
2071 option->help ? option->help : "", nb_output_files - 1, filename);
2073 av_dict_free(&unused_opts);
2075 /* check filename in case of an image number is expected */
2076 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2077 if (!av_filename_number_test(oc->filename)) {
2078 print_error(oc->filename, AVERROR(EINVAL));
2083 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2084 /* test if it already exists to avoid losing precious files */
2085 assert_file_overwrite(filename);
2088 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
2089 &oc->interrupt_callback,
2091 print_error(filename, err);
2094 } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
2095 assert_file_overwrite(filename);
2097 if (o->mux_preload) {
2098 av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
2100 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
2103 for (i = 0; i < o->nb_metadata_map; i++) {
2105 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
2107 if (in_file_index >= nb_input_files) {
2108 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
2111 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
2112 in_file_index >= 0 ?
2113 input_files[in_file_index]->ctx : NULL, o);
2117 if (o->chapters_input_file >= nb_input_files) {
2118 if (o->chapters_input_file == INT_MAX) {
2119 /* copy chapters from the first input file that has them*/
2120 o->chapters_input_file = -1;
2121 for (i = 0; i < nb_input_files; i++)
2122 if (input_files[i]->ctx->nb_chapters) {
2123 o->chapters_input_file = i;
2127 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
2128 o->chapters_input_file);
2132 if (o->chapters_input_file >= 0)
2133 copy_chapters(input_files[o->chapters_input_file], of,
2134 !o->metadata_chapters_manual);
2136 /* copy global metadata by default */
2137 if (!o->metadata_global_manual && nb_input_files){
2138 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
2139 AV_DICT_DONT_OVERWRITE);
2140 if(o->recording_time != INT64_MAX)
2141 av_dict_set(&oc->metadata, "duration", NULL, 0);
2142 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
2144 if (!o->metadata_streams_manual)
2145 for (i = of->ost_index; i < nb_output_streams; i++) {
2147 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
2149 ist = input_streams[output_streams[i]->source_index];
2150 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
2151 if (!output_streams[i]->stream_copy)
2152 av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
2155 /* process manually set metadata */
2156 for (i = 0; i < o->nb_metadata; i++) {
2159 const char *stream_spec;
2160 int index = 0, j, ret = 0;
2162 val = strchr(o->metadata[i].u.str, '=');
2164 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
2165 o->metadata[i].u.str);
2170 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
2172 for (j = 0; j < oc->nb_streams; j++) {
2173 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
2174 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
2185 if (index < 0 || index >= oc->nb_chapters) {
2186 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
2189 m = &oc->chapters[index]->metadata;
2192 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
2195 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
2202 static int opt_target(void *optctx, const char *opt, const char *arg)
2204 OptionsContext *o = optctx;
2205 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
2206 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
2208 if (!strncmp(arg, "pal-", 4)) {
2211 } else if (!strncmp(arg, "ntsc-", 5)) {
2214 } else if (!strncmp(arg, "film-", 5)) {
2218 /* Try to determine PAL/NTSC by peeking in the input files */
2219 if (nb_input_files) {
2221 for (j = 0; j < nb_input_files; j++) {
2222 for (i = 0; i < input_files[j]->nb_streams; i++) {
2223 AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
2224 if (c->codec_type != AVMEDIA_TYPE_VIDEO ||
2227 fr = c->time_base.den * 1000 / c->time_base.num;
2231 } else if ((fr == 29970) || (fr == 23976)) {
2236 if (norm != UNKNOWN)
2240 if (norm != UNKNOWN)
2241 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
2244 if (norm == UNKNOWN) {
2245 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
2246 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
2247 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
2251 if (!strcmp(arg, "vcd")) {
2252 opt_video_codec(o, "c:v", "mpeg1video");
2253 opt_audio_codec(o, "c:a", "mp2");
2254 parse_option(o, "f", "vcd", options);
2256 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
2257 parse_option(o, "r", frame_rates[norm], options);
2258 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2260 opt_default(NULL, "b:v", "1150000");
2261 opt_default(NULL, "maxrate", "1150000");
2262 opt_default(NULL, "minrate", "1150000");
2263 opt_default(NULL, "bufsize", "327680"); // 40*1024*8;
2265 opt_default(NULL, "b:a", "224000");
2266 parse_option(o, "ar", "44100", options);
2267 parse_option(o, "ac", "2", options);
2269 opt_default(NULL, "packetsize", "2324");
2270 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
2272 /* We have to offset the PTS, so that it is consistent with the SCR.
2273 SCR starts at 36000, but the first two packs contain only padding
2274 and the first pack from the other stream, respectively, may also have
2275 been written before.
2276 So the real data starts at SCR 36000+3*1200. */
2277 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
2278 } else if (!strcmp(arg, "svcd")) {
2280 opt_video_codec(o, "c:v", "mpeg2video");
2281 opt_audio_codec(o, "c:a", "mp2");
2282 parse_option(o, "f", "svcd", options);
2284 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
2285 parse_option(o, "r", frame_rates[norm], options);
2286 parse_option(o, "pix_fmt", "yuv420p", options);
2287 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2289 opt_default(NULL, "b:v", "2040000");
2290 opt_default(NULL, "maxrate", "2516000");
2291 opt_default(NULL, "minrate", "0"); // 1145000;
2292 opt_default(NULL, "bufsize", "1835008"); // 224*1024*8;
2293 opt_default(NULL, "scan_offset", "1");
2295 opt_default(NULL, "b:a", "224000");
2296 parse_option(o, "ar", "44100", options);
2298 opt_default(NULL, "packetsize", "2324");
2300 } else if (!strcmp(arg, "dvd")) {
2302 opt_video_codec(o, "c:v", "mpeg2video");
2303 opt_audio_codec(o, "c:a", "ac3");
2304 parse_option(o, "f", "dvd", options);
2306 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2307 parse_option(o, "r", frame_rates[norm], options);
2308 parse_option(o, "pix_fmt", "yuv420p", options);
2309 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2311 opt_default(NULL, "b:v", "6000000");
2312 opt_default(NULL, "maxrate", "9000000");
2313 opt_default(NULL, "minrate", "0"); // 1500000;
2314 opt_default(NULL, "bufsize", "1835008"); // 224*1024*8;
2316 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
2317 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
2319 opt_default(NULL, "b:a", "448000");
2320 parse_option(o, "ar", "48000", options);
2322 } else if (!strncmp(arg, "dv", 2)) {
2324 parse_option(o, "f", "dv", options);
2326 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2327 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
2328 norm == PAL ? "yuv420p" : "yuv411p", options);
2329 parse_option(o, "r", frame_rates[norm], options);
2331 parse_option(o, "ar", "48000", options);
2332 parse_option(o, "ac", "2", options);
2335 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
2336 return AVERROR(EINVAL);
2339 av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
2340 av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
2345 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
2347 av_free (vstats_filename);
2348 vstats_filename = av_strdup (arg);
2352 static int opt_vstats(void *optctx, const char *opt, const char *arg)
2355 time_t today2 = time(NULL);
2356 struct tm *today = localtime(&today2);
2358 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
2360 return opt_vstats_file(NULL, opt, filename);
2363 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
2365 OptionsContext *o = optctx;
2366 return parse_option(o, "frames:v", arg, options);
2369 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
2371 OptionsContext *o = optctx;
2372 return parse_option(o, "frames:a", arg, options);
2375 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
2377 OptionsContext *o = optctx;
2378 return parse_option(o, "frames:d", arg, options);
2381 static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
2384 AVDictionary *cbak = codec_opts;
2385 AVDictionary *fbak = format_opts;
2389 ret = opt_default(NULL, opt, arg);
2391 av_dict_copy(&o->g->codec_opts , codec_opts, 0);
2392 av_dict_copy(&o->g->format_opts, format_opts, 0);
2393 av_dict_free(&codec_opts);
2394 av_dict_free(&format_opts);
2401 static int opt_preset(void *optctx, const char *opt, const char *arg)
2403 OptionsContext *o = optctx;
2405 char filename[1000], line[1000], tmp_line[1000];
2406 const char *codec_name = NULL;
2410 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
2412 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
2413 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
2414 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
2416 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
2420 while (fgets(line, sizeof(line), f)) {
2421 char *key = tmp_line, *value, *endptr;
2423 if (strcspn(line, "#\n\r") == 0)
2425 av_strlcpy(tmp_line, line, sizeof(tmp_line));
2426 if (!av_strtok(key, "=", &value) ||
2427 !av_strtok(value, "\r\n", &endptr)) {
2428 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
2431 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
2433 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
2434 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
2435 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
2436 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
2437 else if (opt_default_new(o, key, value) < 0) {
2438 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
2439 filename, line, key, value);
2449 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2451 OptionsContext *o = optctx;
2452 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2453 int ret = parse_option(o, s, arg, options);
2458 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2460 OptionsContext *o = optctx;
2462 if(!strcmp(opt, "ab")){
2463 av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
2465 } else if(!strcmp(opt, "b")){
2466 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2467 av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
2470 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2474 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2476 OptionsContext *o = optctx;
2479 if(!strcmp(opt, "qscale")){
2480 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2481 return parse_option(o, "q:v", arg, options);
2483 s = av_asprintf("q%s", opt + 6);
2484 ret = parse_option(o, s, arg, options);
2489 static int opt_profile(void *optctx, const char *opt, const char *arg)
2491 OptionsContext *o = optctx;
2492 if(!strcmp(opt, "profile")){
2493 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2494 av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
2497 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2501 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2503 OptionsContext *o = optctx;
2504 return parse_option(o, "filter:v", arg, options);
2507 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
2509 OptionsContext *o = optctx;
2510 return parse_option(o, "filter:a", arg, options);
2513 static int opt_vsync(void *optctx, const char *opt, const char *arg)
2515 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2516 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
2517 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
2518 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
2520 if (video_sync_method == VSYNC_AUTO)
2521 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
2525 static int opt_timecode(void *optctx, const char *opt, const char *arg)
2527 OptionsContext *o = optctx;
2528 char *tcr = av_asprintf("timecode=%s", arg);
2529 int ret = parse_option(o, "metadata:g", tcr, options);
2531 ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
2536 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
2538 OptionsContext *o = optctx;
2539 char layout_str[32];
2542 int ret, channels, ac_str_size;
2545 layout = av_get_channel_layout(arg);
2547 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
2548 return AVERROR(EINVAL);
2550 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
2551 ret = opt_default_new(o, opt, layout_str);
2555 /* set 'ac' option based on channel layout */
2556 channels = av_get_channel_layout_nb_channels(layout);
2557 snprintf(layout_str, sizeof(layout_str), "%d", channels);
2558 stream_str = strchr(opt, ':');
2559 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
2560 ac_str = av_mallocz(ac_str_size);
2562 return AVERROR(ENOMEM);
2563 av_strlcpy(ac_str, "ac", 3);
2565 av_strlcat(ac_str, stream_str, ac_str_size);
2566 ret = parse_option(o, ac_str, layout_str, options);
2572 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
2574 OptionsContext *o = optctx;
2575 return parse_option(o, "q:a", arg, options);
2578 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
2580 GROW_ARRAY(filtergraphs, nb_filtergraphs);
2581 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2582 return AVERROR(ENOMEM);
2583 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2584 filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
2585 if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
2586 return AVERROR(ENOMEM);
2590 static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
2592 uint8_t *graph_desc = read_file(arg);
2594 return AVERROR(EINVAL);
2596 GROW_ARRAY(filtergraphs, nb_filtergraphs);
2597 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2598 return AVERROR(ENOMEM);
2599 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2600 filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
2604 void show_help_default(const char *opt, const char *arg)
2606 /* per-file options have at least one of those set */
2607 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
2608 int show_advanced = 0, show_avoptions = 0;
2611 if (!strcmp(opt, "long"))
2613 else if (!strcmp(opt, "full"))
2614 show_advanced = show_avoptions = 1;
2616 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
2621 printf("Getting help:\n"
2622 " -h -- print basic options\n"
2623 " -h long -- print more options\n"
2624 " -h full -- print all options (including all format and codec specific options, very long)\n"
2625 " See man %s for detailed description of the options.\n"
2626 "\n", program_name);
2628 show_help_options(options, "Print help / information / capabilities:",
2631 show_help_options(options, "Global options (affect whole program "
2632 "instead of just one file:",
2633 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
2635 show_help_options(options, "Advanced global options:", OPT_EXPERT,
2636 per_file | OPT_EXIT, 0);
2638 show_help_options(options, "Per-file main options:", 0,
2639 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
2640 OPT_EXIT, per_file);
2642 show_help_options(options, "Advanced per-file options:",
2643 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
2645 show_help_options(options, "Video options:",
2646 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
2648 show_help_options(options, "Advanced Video options:",
2649 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
2651 show_help_options(options, "Audio options:",
2652 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
2654 show_help_options(options, "Advanced Audio options:",
2655 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
2656 show_help_options(options, "Subtitle options:",
2657 OPT_SUBTITLE, 0, 0);
2660 if (show_avoptions) {
2661 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
2662 show_help_children(avcodec_get_class(), flags);
2663 show_help_children(avformat_get_class(), flags);
2665 show_help_children(sws_get_class(), flags);
2667 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
2668 show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
2672 void show_usage(void)
2674 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
2675 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
2676 av_log(NULL, AV_LOG_INFO, "\n");
2684 static const OptionGroupDef groups[] = {
2685 [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT },
2686 [GROUP_INFILE] = { "input file", "i", OPT_INPUT },
2689 static int open_files(OptionGroupList *l, const char *inout,
2690 int (*open_file)(OptionsContext*, const char*))
2694 for (i = 0; i < l->nb_groups; i++) {
2695 OptionGroup *g = &l->groups[i];
2701 ret = parse_optgroup(&o, g);
2703 av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
2704 "%s.\n", inout, g->arg);
2708 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
2709 ret = open_file(&o, g->arg);
2712 av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
2716 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
2722 int ffmpeg_parse_options(int argc, char **argv)
2724 OptionParseContext octx;
2728 memset(&octx, 0, sizeof(octx));
2730 /* split the commandline into an internal representation */
2731 ret = split_commandline(&octx, argc, argv, options, groups,
2732 FF_ARRAY_ELEMS(groups));
2734 av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
2738 /* apply global options */
2739 ret = parse_optgroup(NULL, &octx.global_opts);
2741 av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
2745 /* open input files */
2746 ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
2748 av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
2752 /* open output files */
2753 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
2755 av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
2760 uninit_parse_context(&octx);
2762 av_strerror(ret, error, sizeof(error));
2763 av_log(NULL, AV_LOG_FATAL, "%s\n", error);
2768 static int opt_progress(void *optctx, const char *opt, const char *arg)
2770 AVIOContext *avio = NULL;
2773 if (!strcmp(arg, "-"))
2775 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
2777 av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
2778 arg, av_err2str(ret));
2781 progress_avio = avio;
2785 #define OFFSET(x) offsetof(OptionsContext, x)
2786 const OptionDef options[] = {
2788 #include "cmdutils_common_opts.h"
2789 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
2790 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
2791 "force format", "fmt" },
2792 { "y", OPT_BOOL, { &file_overwrite },
2793 "overwrite output files" },
2794 { "n", OPT_BOOL, { &no_file_overwrite },
2795 "never overwrite output files" },
2796 { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
2797 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
2798 "codec name", "codec" },
2799 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
2800 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
2801 "codec name", "codec" },
2802 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
2803 OPT_OUTPUT, { .off = OFFSET(presets) },
2804 "preset name", "preset" },
2805 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
2806 OPT_OUTPUT, { .func_arg = opt_map },
2807 "set input stream mapping",
2808 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
2809 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
2810 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
2811 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
2812 OPT_OUTPUT, { .off = OFFSET(metadata_map) },
2813 "set metadata information of outfile from infile",
2814 "outfile[,metadata]:infile[,metadata]" },
2815 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
2816 OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
2817 "set chapters mapping", "input_file_index" },
2818 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
2819 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
2820 "record or transcode \"duration\" seconds of audio/video",
2822 { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
2823 "record or transcode stop time", "time_stop" },
2824 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
2825 "set the limit file size in bytes", "limit_size" },
2826 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
2827 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
2828 "set the start time offset", "time_off" },
2829 { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
2830 OPT_INPUT, { .off = OFFSET(accurate_seek) },
2831 "enable/disable accurate seeking with -ss" },
2832 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
2833 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
2834 "set the input ts offset", "time_off" },
2835 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
2836 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
2837 "set the input ts scale", "scale" },
2838 { "timestamp", HAS_ARG | OPT_PERFILE, { .func_arg = opt_recording_timestamp },
2839 "set the recording timestamp ('now' to set the current time)", "time" },
2840 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
2841 "add metadata", "string=string" },
2842 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
2843 OPT_OUTPUT, { .func_arg = opt_data_frames },
2844 "set the number of data frames to output", "number" },
2845 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
2846 "add timings for benchmarking" },
2847 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
2848 "add timings for each task" },
2849 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
2850 "write program-readable progress information", "url" },
2851 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
2852 "enable or disable interaction on standard input" },
2853 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
2854 "set max runtime in seconds", "limit" },
2855 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
2856 "dump each input packet" },
2857 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
2858 "when dumping packets, also dump the payload" },
2859 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
2860 OPT_INPUT, { .off = OFFSET(rate_emu) },
2861 "read input at native frame rate", "" },
2862 { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
2863 "specify target file type (\"vcd\", \"svcd\", \"dvd\","
2864 " \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
2865 { "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync },
2866 "video sync method", "" },
2867 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
2868 "audio sync method", "" },
2869 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
2870 "audio drift threshold", "threshold" },
2871 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
2872 "copy timestamps" },
2873 { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
2874 "shift input timestamps to start at 0 when using copyts" },
2875 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
2876 "copy input stream time base when stream copying", "mode" },
2877 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
2878 OPT_OUTPUT, { .off = OFFSET(shortest) },
2879 "finish encoding within shortest input" },
2880 { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
2881 OPT_OUTPUT, { .off = OFFSET(apad) },
2883 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
2884 "timestamp discontinuity delta threshold", "threshold" },
2885 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
2886 "timestamp error delta threshold", "threshold" },
2887 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
2888 "exit on error", "error" },
2889 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
2890 OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
2891 "copy initial non-keyframes" },
2892 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
2893 "copy or discard frames before start time" },
2894 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
2895 "set the number of frames to output", "number" },
2896 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
2897 OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
2898 "force codec tag/fourcc", "fourcc/tag" },
2899 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
2900 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
2901 "use fixed quality scale (VBR)", "q" },
2902 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
2903 OPT_OUTPUT, { .func_arg = opt_qscale },
2904 "use fixed quality scale (VBR)", "q" },
2905 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
2906 "set profile", "profile" },
2907 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
2908 "set stream filtergraph", "filter_graph" },
2909 { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
2910 "read stream filtergraph description from a file", "filename" },
2911 { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
2912 "reinit filtergraph on input parameter changes", "" },
2913 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
2914 "create a complex filtergraph", "graph_description" },
2915 { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
2916 "create a complex filtergraph", "graph_description" },
2917 { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
2918 "read complex filtergraph description from a file", "filename" },
2919 { "stats", OPT_BOOL, { &print_stats },
2920 "print progress report during encoding", },
2921 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
2922 OPT_OUTPUT, { .func_arg = opt_attach },
2923 "add an attachment to the output file", "filename" },
2924 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
2925 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
2926 "extract an attachment into a file", "filename" },
2927 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
2928 "print timestamp debugging info" },
2929 { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
2930 "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
2931 { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
2932 OPT_INPUT, { .off = OFFSET(discard) },
2936 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
2937 "set the number of video frames to output", "number" },
2938 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
2939 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
2940 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2941 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
2942 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
2943 "set frame size (WxH or abbreviation)", "size" },
2944 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
2945 OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
2946 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2947 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
2948 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
2949 "set pixel format", "format" },
2950 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
2951 "set the number of bits per raw sample", "number" },
2952 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
2953 "deprecated use -g 1" },
2954 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
2956 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
2957 OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
2958 "rate control override for specific intervals", "override" },
2959 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
2960 OPT_OUTPUT, { .func_arg = opt_video_codec },
2961 "force video codec ('copy' to copy stream)", "codec" },
2962 { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
2964 { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
2966 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
2967 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
2968 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
2969 "select the pass number (1 to 3)", "n" },
2970 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
2971 OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
2972 "select two pass log file name prefix", "prefix" },
2973 { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
2974 "this option is deprecated, use the yadif filter instead" },
2975 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
2976 "calculate PSNR of compressed frames" },
2977 { "vstats", OPT_VIDEO | OPT_EXPERT , { &opt_vstats },
2978 "dump video coding statistics to file" },
2979 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { opt_vstats_file },
2980 "dump video coding statistics to file", "file" },
2981 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
2982 "set video filters", "filter_graph" },
2983 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
2984 OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
2985 "specify intra matrix coeffs", "matrix" },
2986 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
2987 OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
2988 "specify inter matrix coeffs", "matrix" },
2989 { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
2990 OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
2991 "specify intra matrix coeffs", "matrix" },
2992 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
2993 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
2994 "top=1/bottom=0/auto=-1 field first", "" },
2995 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
2996 OPT_OUTPUT, { .func_arg = opt_old2new },
2997 "force video tag/fourcc", "fourcc/tag" },
2998 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
2999 "show QP histogram" },
3000 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3001 OPT_OUTPUT, { .off = OFFSET(force_fps) },
3002 "force the selected framerate, disable the best supported framerate selection" },
3003 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3004 OPT_OUTPUT, { .func_arg = opt_streamid },
3005 "set the value of an outfile streamid", "streamIndex:value" },
3006 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3007 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
3008 "force key frames at specified timestamps", "timestamps" },
3009 { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3010 "audio bitrate (please use -b:a)", "bitrate" },
3011 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3012 "video bitrate (please use -b:v)", "bitrate" },
3013 { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3014 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
3015 "use HW accelerated decoding", "hwaccel name" },
3016 { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3017 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
3018 "select a device for HW acceleration" "devicename" },
3020 { "vdpau_api_ver", HAS_ARG | OPT_INT | OPT_EXPERT, { &vdpau_api_ver }, "" },
3024 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
3025 "set the number of audio frames to output", "number" },
3026 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
3027 "set audio quality (codec-specific)", "quality", },
3028 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3029 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
3030 "set audio sampling rate (in Hz)", "rate" },
3031 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3032 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
3033 "set number of audio channels", "channels" },
3034 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
3036 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
3037 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
3038 "force audio codec ('copy' to copy stream)", "codec" },
3039 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3040 OPT_OUTPUT, { .func_arg = opt_old2new },
3041 "force audio tag/fourcc", "fourcc/tag" },
3042 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
3043 "change audio volume (256=normal)" , "volume" },
3044 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
3045 OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
3046 "set sample format", "format" },
3047 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3048 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
3049 "set channel layout", "layout" },
3050 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
3051 "set audio filters", "filter_graph" },
3052 { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
3053 "set the maximum number of channels to try to guess the channel layout" },
3055 /* subtitle options */
3056 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
3057 "disable subtitle" },
3058 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
3059 "force subtitle codec ('copy' to copy stream)", "codec" },
3060 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
3061 , "force subtitle tag/fourcc", "fourcc/tag" },
3062 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
3063 "fix subtitles duration" },
3064 { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
3065 "set canvas size (WxH or abbreviation)", "size" },
3068 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
3069 "deprecated, use -channel", "channel" },
3070 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
3071 "deprecated, use -standard", "standard" },
3072 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
3075 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
3076 "set the maximum demux-decode delay", "seconds" },
3077 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
3078 "set the initial demux-decode delay", "seconds" },
3079 { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
3080 "override the options from ffserver", "" },
3081 { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { opt_sdp_file },
3082 "specify a file in which to print sdp information", "file" },
3084 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
3085 "A comma-separated list of bitstream filters", "bitstream_filters" },
3086 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3087 "deprecated", "audio bitstream_filters" },
3088 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3089 "deprecated", "video bitstream_filters" },
3091 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3092 "set the audio options to the indicated preset", "preset" },
3093 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3094 "set the video options to the indicated preset", "preset" },
3095 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3096 "set the subtitle options to the indicated preset", "preset" },
3097 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3098 "set options from indicated preset file", "filename" },
3099 /* data codec support */
3100 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
3101 "force data codec ('copy' to copy stream)", "codec" },
3102 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },