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 DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
46 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
49 for (i = 0; i < o->nb_ ## name; i++) {\
50 char *spec = o->name[i].specifier;\
51 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
52 outvar = o->name[i].u.type;\
58 #define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
61 for (i = 0; i < o->nb_ ## name; i++) {\
62 char *spec = o->name[i].specifier;\
63 if (!strcmp(spec, mediatype))\
64 outvar = o->name[i].u.type;\
68 const HWAccel hwaccels[] = {
70 { "vdpau", hwaccel_decode_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU,
71 AV_HWDEVICE_TYPE_VDPAU },
74 { "d3d11va", hwaccel_decode_init, HWACCEL_D3D11VA, AV_PIX_FMT_D3D11,
75 AV_HWDEVICE_TYPE_D3D11VA },
78 { "dxva2", hwaccel_decode_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD,
79 AV_HWDEVICE_TYPE_DXVA2 },
81 #if CONFIG_VIDEOTOOLBOX
82 { "videotoolbox", videotoolbox_init, HWACCEL_VIDEOTOOLBOX, AV_PIX_FMT_VIDEOTOOLBOX,
83 AV_HWDEVICE_TYPE_NONE },
86 { "qsv", qsv_init, HWACCEL_QSV, AV_PIX_FMT_QSV,
87 AV_HWDEVICE_TYPE_NONE },
90 { "vaapi", hwaccel_decode_init, HWACCEL_VAAPI, AV_PIX_FMT_VAAPI,
91 AV_HWDEVICE_TYPE_VAAPI },
94 { "cuvid", cuvid_init, HWACCEL_CUVID, AV_PIX_FMT_CUDA,
95 AV_HWDEVICE_TYPE_NONE },
99 AVBufferRef *hw_device_ctx;
100 HWDevice *filter_hw_device;
102 char *vstats_filename;
105 float audio_drift_threshold = 0.1;
106 float dts_delta_threshold = 10;
107 float dts_error_threshold = 3600*30;
109 int audio_volume = 256;
110 int audio_sync_method = 0;
111 int video_sync_method = VSYNC_AUTO;
112 float frame_drop_threshold = 0;
113 int do_deinterlace = 0;
114 int do_benchmark = 0;
115 int do_benchmark_all = 0;
119 int start_at_zero = 0;
122 int exit_on_error = 0;
123 int abort_on_flags = 0;
124 int print_stats = -1;
126 int stdin_interaction = 1;
127 int frame_bits_per_raw_sample = 0;
128 float max_error_rate = 2.0/3;
129 int filter_nbthreads = 0;
130 int filter_complex_nbthreads = 0;
131 int vstats_version = 2;
134 static int intra_only = 0;
135 static int file_overwrite = 0;
136 static int no_file_overwrite = 0;
137 static int do_psnr = 0;
138 static int input_sync;
139 static int override_ffserver = 0;
140 static int input_stream_potentially_available = 0;
141 static int ignore_unknown_streams = 0;
142 static int copy_unknown_streams = 0;
143 static int find_stream_info = 1;
145 static void uninit_options(OptionsContext *o)
147 const OptionDef *po = options;
150 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
152 void *dst = (uint8_t*)o + po->u.off;
154 if (po->flags & OPT_SPEC) {
155 SpecifierOpt **so = dst;
156 int i, *count = (int*)(so + 1);
157 for (i = 0; i < *count; i++) {
158 av_freep(&(*so)[i].specifier);
159 if (po->flags & OPT_STRING)
160 av_freep(&(*so)[i].u.str);
164 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
169 for (i = 0; i < o->nb_stream_maps; i++)
170 av_freep(&o->stream_maps[i].linklabel);
171 av_freep(&o->stream_maps);
172 av_freep(&o->audio_channel_maps);
173 av_freep(&o->streamid_map);
174 av_freep(&o->attachments);
177 static void init_options(OptionsContext *o)
179 memset(o, 0, sizeof(*o));
181 o->stop_time = INT64_MAX;
182 o->mux_max_delay = 0.7;
183 o->start_time = AV_NOPTS_VALUE;
184 o->start_time_eof = AV_NOPTS_VALUE;
185 o->recording_time = INT64_MAX;
186 o->limit_filesize = UINT64_MAX;
187 o->chapters_input_file = INT_MAX;
188 o->accurate_seek = 1;
191 static int show_hwaccels(void *optctx, const char *opt, const char *arg)
195 printf("Hardware acceleration methods:\n");
196 for (i = 0; hwaccels[i].name; i++) {
197 printf("%s\n", hwaccels[i].name);
203 /* return a copy of the input with the stream specifiers removed from the keys */
204 static AVDictionary *strip_specifiers(AVDictionary *dict)
206 AVDictionaryEntry *e = NULL;
207 AVDictionary *ret = NULL;
209 while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
210 char *p = strchr(e->key, ':');
214 av_dict_set(&ret, e->key, e->value, 0);
221 static int opt_abort_on(void *optctx, const char *opt, const char *arg)
223 static const AVOption opts[] = {
224 { "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
225 { "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
228 static const AVClass class = {
230 .item_name = av_default_item_name,
232 .version = LIBAVUTIL_VERSION_INT,
234 const AVClass *pclass = &class;
236 return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
239 static int opt_sameq(void *optctx, const char *opt, const char *arg)
241 av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
242 "If you are looking for an option to preserve the quality (which is not "
243 "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
245 return AVERROR(EINVAL);
248 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
250 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
251 return opt_default(optctx, "channel", arg);
254 static int opt_video_standard(void *optctx, const char *opt, const char *arg)
256 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
257 return opt_default(optctx, "standard", arg);
260 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
262 OptionsContext *o = optctx;
263 return parse_option(o, "codec:a", arg, options);
266 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
268 OptionsContext *o = optctx;
269 return parse_option(o, "codec:v", arg, options);
272 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
274 OptionsContext *o = optctx;
275 return parse_option(o, "codec:s", arg, options);
278 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
280 OptionsContext *o = optctx;
281 return parse_option(o, "codec:d", arg, options);
284 static int opt_map(void *optctx, const char *opt, const char *arg)
286 OptionsContext *o = optctx;
288 int i, negative = 0, file_idx;
289 int sync_file_idx = -1, sync_stream_idx = 0;
298 map = av_strdup(arg);
300 return AVERROR(ENOMEM);
302 /* parse sync stream first, just pick first matching stream */
303 if (sync = strchr(map, ',')) {
305 sync_file_idx = strtol(sync + 1, &sync, 0);
306 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
307 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
312 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
313 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
314 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
318 if (i == input_files[sync_file_idx]->nb_streams) {
319 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
320 "match any streams.\n", arg);
327 /* this mapping refers to lavfi output */
328 const char *c = map + 1;
329 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
330 m = &o->stream_maps[o->nb_stream_maps - 1];
331 m->linklabel = av_get_token(&c, "]");
333 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
337 if (allow_unused = strchr(map, '?'))
339 file_idx = strtol(map, &p, 0);
340 if (file_idx >= nb_input_files || file_idx < 0) {
341 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
345 /* disable some already defined maps */
346 for (i = 0; i < o->nb_stream_maps; i++) {
347 m = &o->stream_maps[i];
348 if (file_idx == m->file_index &&
349 check_stream_specifier(input_files[m->file_index]->ctx,
350 input_files[m->file_index]->ctx->streams[m->stream_index],
351 *p == ':' ? p + 1 : p) > 0)
355 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
356 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
357 *p == ':' ? p + 1 : p) <= 0)
359 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
360 m = &o->stream_maps[o->nb_stream_maps - 1];
362 m->file_index = file_idx;
365 if (sync_file_idx >= 0) {
366 m->sync_file_index = sync_file_idx;
367 m->sync_stream_index = sync_stream_idx;
369 m->sync_file_index = file_idx;
370 m->sync_stream_index = i;
377 av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
379 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
380 "To ignore this, add a trailing '?' to the map.\n", arg);
389 static int opt_attach(void *optctx, const char *opt, const char *arg)
391 OptionsContext *o = optctx;
392 GROW_ARRAY(o->attachments, o->nb_attachments);
393 o->attachments[o->nb_attachments - 1] = arg;
397 static int opt_map_channel(void *optctx, const char *opt, const char *arg)
399 OptionsContext *o = optctx;
405 mapchan = av_strdup(arg);
407 return AVERROR(ENOMEM);
409 GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
410 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
412 /* muted channel syntax */
413 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
414 if ((n == 1 || n == 3) && m->channel_idx == -1) {
415 m->file_idx = m->stream_idx = -1;
417 m->ofile_idx = m->ostream_idx = -1;
423 n = sscanf(arg, "%d.%d.%d:%d.%d",
424 &m->file_idx, &m->stream_idx, &m->channel_idx,
425 &m->ofile_idx, &m->ostream_idx);
427 if (n != 3 && n != 5) {
428 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
429 "[file.stream.channel|-1][:syncfile:syncstream]\n");
433 if (n != 5) // only file.stream.channel specified
434 m->ofile_idx = m->ostream_idx = -1;
437 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
438 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
442 if (m->stream_idx < 0 ||
443 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
444 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
445 m->file_idx, m->stream_idx);
448 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
449 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
450 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
451 m->file_idx, m->stream_idx);
454 /* allow trailing ? to map_channel */
455 if (allow_unused = strchr(mapchan, '?'))
457 if (m->channel_idx < 0 || m->channel_idx >= st->codecpar->channels) {
459 av_log(NULL, AV_LOG_VERBOSE, "mapchan: invalid audio channel #%d.%d.%d\n",
460 m->file_idx, m->stream_idx, m->channel_idx);
462 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n"
463 "To ignore this, add a trailing '?' to the map_channel.\n",
464 m->file_idx, m->stream_idx, m->channel_idx);
473 static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
475 av_free(sdp_filename);
476 sdp_filename = av_strdup(arg);
481 static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
484 const char *prefix = "vaapi:";
487 tmp = av_asprintf("%s%s", prefix, arg);
489 return AVERROR(ENOMEM);
490 err = hw_device_init_from_string(tmp, &dev);
494 hw_device_ctx = av_buffer_ref(dev->device_ref);
496 return AVERROR(ENOMEM);
501 static int opt_init_hw_device(void *optctx, const char *opt, const char *arg)
503 if (!strcmp(arg, "list")) {
504 enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
505 printf("Supported hardware device types:\n");
506 while ((type = av_hwdevice_iterate_types(type)) !=
507 AV_HWDEVICE_TYPE_NONE)
508 printf("%s\n", av_hwdevice_get_type_name(type));
512 return hw_device_init_from_string(arg, NULL);
516 static int opt_filter_hw_device(void *optctx, const char *opt, const char *arg)
518 if (filter_hw_device) {
519 av_log(NULL, AV_LOG_ERROR, "Only one filter device can be used.\n");
520 return AVERROR(EINVAL);
522 filter_hw_device = hw_device_get_by_name(arg);
523 if (!filter_hw_device) {
524 av_log(NULL, AV_LOG_ERROR, "Invalid filter device %s.\n", arg);
525 return AVERROR(EINVAL);
531 * Parse a metadata specifier passed as 'arg' parameter.
532 * @param arg metadata string to parse
533 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
534 * @param index for type c/p, chapter/program index is written here
535 * @param stream_spec for type s, the stream specifier is written here
537 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
545 if (*(++arg) && *arg != ':') {
546 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
549 *stream_spec = *arg == ':' ? arg + 1 : "";
554 *index = strtol(++arg, NULL, 0);
557 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
564 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
566 AVDictionary **meta_in = NULL;
567 AVDictionary **meta_out = NULL;
569 char type_in, type_out;
570 const char *istream_spec = NULL, *ostream_spec = NULL;
571 int idx_in = 0, idx_out = 0;
573 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
574 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
577 if (type_out == 'g' || !*outspec)
578 o->metadata_global_manual = 1;
579 if (type_out == 's' || !*outspec)
580 o->metadata_streams_manual = 1;
581 if (type_out == 'c' || !*outspec)
582 o->metadata_chapters_manual = 1;
586 if (type_in == 'g' || type_out == 'g')
587 o->metadata_global_manual = 1;
588 if (type_in == 's' || type_out == 's')
589 o->metadata_streams_manual = 1;
590 if (type_in == 'c' || type_out == 'c')
591 o->metadata_chapters_manual = 1;
593 /* ic is NULL when just disabling automatic mappings */
597 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
598 if ((index) < 0 || (index) >= (nb_elems)) {\
599 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
604 #define SET_DICT(type, meta, context, index)\
607 meta = &context->metadata;\
610 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
611 meta = &context->chapters[index]->metadata;\
614 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
615 meta = &context->programs[index]->metadata;\
618 break; /* handled separately below */ \
619 default: av_assert0(0);\
622 SET_DICT(type_in, meta_in, ic, idx_in);
623 SET_DICT(type_out, meta_out, oc, idx_out);
625 /* for input streams choose first matching stream */
626 if (type_in == 's') {
627 for (i = 0; i < ic->nb_streams; i++) {
628 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
629 meta_in = &ic->streams[i]->metadata;
635 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
640 if (type_out == 's') {
641 for (i = 0; i < oc->nb_streams; i++) {
642 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
643 meta_out = &oc->streams[i]->metadata;
644 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
649 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
654 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
656 OptionsContext *o = optctx;
658 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
659 struct tm time = *gmtime((time_t*)&recording_timestamp);
660 if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
662 parse_option(o, "metadata", buf, options);
664 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
665 "tag instead.\n", opt);
669 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
671 const AVCodecDescriptor *desc;
672 const char *codec_string = encoder ? "encoder" : "decoder";
676 avcodec_find_encoder_by_name(name) :
677 avcodec_find_decoder_by_name(name);
679 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
680 codec = encoder ? avcodec_find_encoder(desc->id) :
681 avcodec_find_decoder(desc->id);
683 av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
684 codec_string, codec->name, desc->name);
688 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
691 if (codec->type != type) {
692 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
698 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
700 char *codec_name = NULL;
702 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
704 AVCodec *codec = find_codec_or_die(codec_name, st->codecpar->codec_type, 0);
705 st->codecpar->codec_id = codec->id;
708 return avcodec_find_decoder(st->codecpar->codec_id);
711 /* Add all the streams from the given input file to the global
712 * list of input streams. */
713 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
717 for (i = 0; i < ic->nb_streams; i++) {
718 AVStream *st = ic->streams[i];
719 AVCodecParameters *par = st->codecpar;
720 InputStream *ist = av_mallocz(sizeof(*ist));
721 char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
722 char *hwaccel_output_format = NULL;
723 char *codec_tag = NULL;
725 char *discard_str = NULL;
726 const AVClass *cc = avcodec_get_class();
727 const AVOption *discard_opt = av_opt_find(&cc, "skip_frame", NULL, 0, 0);
732 GROW_ARRAY(input_streams, nb_input_streams);
733 input_streams[nb_input_streams - 1] = ist;
736 ist->file_index = nb_input_files;
738 st->discard = AVDISCARD_ALL;
740 ist->min_pts = INT64_MAX;
741 ist->max_pts = INT64_MIN;
744 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
747 MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
749 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
751 uint32_t tag = strtol(codec_tag, &next, 0);
753 tag = AV_RL32(codec_tag);
754 st->codecpar->codec_tag = tag;
757 ist->dec = choose_decoder(o, ic, st);
758 ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codecpar->codec_id, ic, st, ist->dec);
760 ist->reinit_filters = -1;
761 MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
763 MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
764 ist->user_set_discard = AVDISCARD_NONE;
765 if (discard_str && av_opt_eval_int(&cc, discard_opt, discard_str, &ist->user_set_discard) < 0) {
766 av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
771 ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
773 ist->dec_ctx = avcodec_alloc_context3(ist->dec);
775 av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
779 ret = avcodec_parameters_to_context(ist->dec_ctx, par);
781 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
786 ist->dec_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
788 switch (par->codec_type) {
789 case AVMEDIA_TYPE_VIDEO:
791 ist->dec = avcodec_find_decoder(par->codec_id);
793 if (av_codec_get_lowres(st->codec)) {
794 av_codec_set_lowres(ist->dec_ctx, av_codec_get_lowres(st->codec));
795 ist->dec_ctx->width = st->codec->width;
796 ist->dec_ctx->height = st->codec->height;
797 ist->dec_ctx->coded_width = st->codec->coded_width;
798 ist->dec_ctx->coded_height = st->codec->coded_height;
802 // avformat_find_stream_info() doesn't set this for us anymore.
803 ist->dec_ctx->framerate = st->avg_frame_rate;
805 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
806 if (framerate && av_parse_video_rate(&ist->framerate,
808 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
813 ist->top_field_first = -1;
814 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
816 MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
818 if (!strcmp(hwaccel, "none"))
819 ist->hwaccel_id = HWACCEL_NONE;
820 else if (!strcmp(hwaccel, "auto"))
821 ist->hwaccel_id = HWACCEL_AUTO;
824 for (i = 0; hwaccels[i].name; i++) {
825 if (!strcmp(hwaccels[i].name, hwaccel)) {
826 ist->hwaccel_id = hwaccels[i].id;
831 if (!ist->hwaccel_id) {
832 av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
834 av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
835 for (i = 0; hwaccels[i].name; i++)
836 av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name);
837 av_log(NULL, AV_LOG_FATAL, "\n");
843 MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
844 if (hwaccel_device) {
845 ist->hwaccel_device = av_strdup(hwaccel_device);
846 if (!ist->hwaccel_device)
850 MATCH_PER_STREAM_OPT(hwaccel_output_formats, str,
851 hwaccel_output_format, ic, st);
852 if (hwaccel_output_format) {
853 ist->hwaccel_output_format = av_get_pix_fmt(hwaccel_output_format);
854 if (ist->hwaccel_output_format == AV_PIX_FMT_NONE) {
855 av_log(NULL, AV_LOG_FATAL, "Unrecognised hwaccel output "
856 "format: %s", hwaccel_output_format);
859 ist->hwaccel_output_format = AV_PIX_FMT_NONE;
862 ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
865 case AVMEDIA_TYPE_AUDIO:
866 ist->guess_layout_max = INT_MAX;
867 MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
868 guess_input_channel_layout(ist);
870 case AVMEDIA_TYPE_DATA:
871 case AVMEDIA_TYPE_SUBTITLE: {
872 char *canvas_size = NULL;
874 ist->dec = avcodec_find_decoder(par->codec_id);
875 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
876 MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
878 av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
879 av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
884 case AVMEDIA_TYPE_ATTACHMENT:
885 case AVMEDIA_TYPE_UNKNOWN:
891 ret = avcodec_parameters_from_context(par, ist->dec_ctx);
893 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
899 static void assert_file_overwrite(const char *filename)
901 if (file_overwrite && no_file_overwrite) {
902 fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
906 if (!file_overwrite) {
907 const char *proto_name = avio_find_protocol_name(filename);
908 if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
909 if (stdin_interaction && !no_file_overwrite) {
910 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
913 signal(SIGINT, SIG_DFL);
915 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
921 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
928 static void dump_attachment(AVStream *st, const char *filename)
931 AVIOContext *out = NULL;
932 AVDictionaryEntry *e;
934 if (!st->codecpar->extradata_size) {
935 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
936 nb_input_files - 1, st->index);
939 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
942 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
943 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
947 assert_file_overwrite(filename);
949 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
950 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
955 avio_write(out, st->codecpar->extradata, st->codecpar->extradata_size);
960 static int open_input_file(OptionsContext *o, const char *filename)
964 AVInputFormat *file_iformat = NULL;
967 AVDictionary *unused_opts = NULL;
968 AVDictionaryEntry *e = NULL;
969 char * video_codec_name = NULL;
970 char * audio_codec_name = NULL;
971 char *subtitle_codec_name = NULL;
972 char * data_codec_name = NULL;
973 int scan_all_pmts_set = 0;
976 if (!(file_iformat = av_find_input_format(o->format))) {
977 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
982 if (!strcmp(filename, "-"))
985 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
986 strcmp(filename, "/dev/stdin");
988 /* get default parameters from command line */
989 ic = avformat_alloc_context();
991 print_error(filename, AVERROR(ENOMEM));
994 ic->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
995 if (o->nb_audio_sample_rate) {
996 av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
998 if (o->nb_audio_channels) {
999 /* because we set audio_channels based on both the "ac" and
1000 * "channel_layout" options, we need to check that the specified
1001 * demuxer actually has the "channels" option before setting it */
1002 if (file_iformat && file_iformat->priv_class &&
1003 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
1004 AV_OPT_SEARCH_FAKE_OBJ)) {
1005 av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
1008 if (o->nb_frame_rates) {
1009 /* set the format-level framerate option;
1010 * this is important for video grabbers, e.g. x11 */
1011 if (file_iformat && file_iformat->priv_class &&
1012 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
1013 AV_OPT_SEARCH_FAKE_OBJ)) {
1014 av_dict_set(&o->g->format_opts, "framerate",
1015 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
1018 if (o->nb_frame_sizes) {
1019 av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
1021 if (o->nb_frame_pix_fmts)
1022 av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
1024 MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
1025 MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
1026 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
1027 MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
1029 ic->video_codec_id = video_codec_name ?
1030 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
1031 ic->audio_codec_id = audio_codec_name ?
1032 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
1033 ic->subtitle_codec_id= subtitle_codec_name ?
1034 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
1035 ic->data_codec_id = data_codec_name ?
1036 find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0)->id : AV_CODEC_ID_NONE;
1038 if (video_codec_name)
1039 av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0));
1040 if (audio_codec_name)
1041 av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0));
1042 if (subtitle_codec_name)
1043 av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0));
1044 if (data_codec_name)
1045 av_format_set_data_codec(ic, find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0));
1047 ic->flags |= AVFMT_FLAG_NONBLOCK;
1049 ic->flags |= AVFMT_FLAG_BITEXACT;
1050 ic->interrupt_callback = int_cb;
1052 if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
1053 av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
1054 scan_all_pmts_set = 1;
1056 /* open the input file with generic avformat function */
1057 err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
1059 print_error(filename, err);
1060 if (err == AVERROR_PROTOCOL_NOT_FOUND)
1061 av_log(NULL, AV_LOG_ERROR, "Did you mean file:%s?\n", filename);
1064 if (scan_all_pmts_set)
1065 av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
1066 remove_avoptions(&o->g->format_opts, o->g->codec_opts);
1067 assert_avoptions(o->g->format_opts);
1069 /* apply forced codec ids */
1070 for (i = 0; i < ic->nb_streams; i++)
1071 choose_decoder(o, ic, ic->streams[i]);
1073 if (find_stream_info) {
1074 AVDictionary **opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
1075 int orig_nb_streams = ic->nb_streams;
1077 /* If not enough info to get the stream parameters, we decode the
1078 first frames to get it. (used in mpeg case for example) */
1079 ret = avformat_find_stream_info(ic, opts);
1081 for (i = 0; i < orig_nb_streams; i++)
1082 av_dict_free(&opts[i]);
1086 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
1087 if (ic->nb_streams == 0) {
1088 avformat_close_input(&ic);
1094 if (o->start_time_eof != AV_NOPTS_VALUE) {
1095 if (ic->duration>0) {
1096 o->start_time = o->start_time_eof + ic->duration;
1098 av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
1100 timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
1101 /* add the stream start time */
1102 if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
1103 timestamp += ic->start_time;
1105 /* if seeking requested, we execute it */
1106 if (o->start_time != AV_NOPTS_VALUE) {
1107 int64_t seek_timestamp = timestamp;
1109 if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
1110 int dts_heuristic = 0;
1111 for (i=0; i<ic->nb_streams; i++) {
1112 const AVCodecParameters *par = ic->streams[i]->codecpar;
1113 if (par->video_delay)
1116 if (dts_heuristic) {
1117 seek_timestamp -= 3*AV_TIME_BASE / 23;
1120 ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
1122 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
1123 filename, (double)timestamp / AV_TIME_BASE);
1127 /* update the current parameters so that they match the one of the input stream */
1128 add_input_streams(o, ic);
1130 /* dump the file content */
1131 av_dump_format(ic, nb_input_files, filename, 0);
1133 GROW_ARRAY(input_files, nb_input_files);
1134 f = av_mallocz(sizeof(*f));
1137 input_files[nb_input_files - 1] = f;
1140 f->ist_index = nb_input_streams - ic->nb_streams;
1141 f->start_time = o->start_time;
1142 f->recording_time = o->recording_time;
1143 f->input_ts_offset = o->input_ts_offset;
1144 f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
1145 f->nb_streams = ic->nb_streams;
1146 f->rate_emu = o->rate_emu;
1147 f->accurate_seek = o->accurate_seek;
1150 f->time_base = (AVRational){ 1, 1 };
1152 f->thread_queue_size = o->thread_queue_size > 0 ? o->thread_queue_size : 8;
1155 /* check if all codec options have been used */
1156 unused_opts = strip_specifiers(o->g->codec_opts);
1157 for (i = f->ist_index; i < nb_input_streams; i++) {
1159 while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
1160 AV_DICT_IGNORE_SUFFIX)))
1161 av_dict_set(&unused_opts, e->key, NULL, 0);
1165 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
1166 const AVClass *class = avcodec_get_class();
1167 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
1168 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1169 const AVClass *fclass = avformat_get_class();
1170 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
1171 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1172 if (!option || foption)
1176 if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
1177 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
1178 "input file #%d (%s) is not a decoding option.\n", e->key,
1179 option->help ? option->help : "", nb_input_files - 1,
1184 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
1185 "input file #%d (%s) has not been used for any stream. The most "
1186 "likely reason is either wrong type (e.g. a video option with "
1187 "no video streams) or that it is a private option of some decoder "
1188 "which was not actually used for any stream.\n", e->key,
1189 option->help ? option->help : "", nb_input_files - 1, filename);
1191 av_dict_free(&unused_opts);
1193 for (i = 0; i < o->nb_dump_attachment; i++) {
1196 for (j = 0; j < ic->nb_streams; j++) {
1197 AVStream *st = ic->streams[j];
1199 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
1200 dump_attachment(st, o->dump_attachment[i].u.str);
1204 input_stream_potentially_available = 1;
1209 static uint8_t *get_line(AVIOContext *s)
1215 if (avio_open_dyn_buf(&line) < 0) {
1216 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
1220 while ((c = avio_r8(s)) && c != '\n')
1223 avio_close_dyn_buf(line, &buf);
1228 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
1231 char filename[1000];
1232 const char *base[3] = { getenv("AVCONV_DATADIR"),
1237 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
1241 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
1242 i != 1 ? "" : "/.avconv", codec_name, preset_name);
1243 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1246 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
1247 i != 1 ? "" : "/.avconv", preset_name);
1248 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1254 static int choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
1256 enum AVMediaType type = ost->st->codecpar->codec_type;
1257 char *codec_name = NULL;
1259 if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO || type == AVMEDIA_TYPE_SUBTITLE) {
1260 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
1262 ost->st->codecpar->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
1263 NULL, ost->st->codecpar->codec_type);
1264 ost->enc = avcodec_find_encoder(ost->st->codecpar->codec_id);
1266 av_log(NULL, AV_LOG_FATAL, "Automatic encoder selection failed for "
1267 "output stream #%d:%d. Default encoder for format %s (codec %s) is "
1268 "probably disabled. Please choose an encoder manually.\n",
1269 ost->file_index, ost->index, s->oformat->name,
1270 avcodec_get_name(ost->st->codecpar->codec_id));
1271 return AVERROR_ENCODER_NOT_FOUND;
1273 } else if (!strcmp(codec_name, "copy"))
1274 ost->stream_copy = 1;
1276 ost->enc = find_codec_or_die(codec_name, ost->st->codecpar->codec_type, 1);
1277 ost->st->codecpar->codec_id = ost->enc->id;
1279 ost->encoding_needed = !ost->stream_copy;
1281 /* no encoding supported for other media types */
1282 ost->stream_copy = 1;
1283 ost->encoding_needed = 0;
1289 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
1292 AVStream *st = avformat_new_stream(oc, NULL);
1293 int idx = oc->nb_streams - 1, ret = 0;
1294 const char *bsfs = NULL, *time_base = NULL;
1295 char *next, *codec_tag = NULL;
1300 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
1304 if (oc->nb_streams - 1 < o->nb_streamid_map)
1305 st->id = o->streamid_map[oc->nb_streams - 1];
1307 GROW_ARRAY(output_streams, nb_output_streams);
1308 if (!(ost = av_mallocz(sizeof(*ost))))
1310 output_streams[nb_output_streams - 1] = ost;
1312 ost->file_index = nb_output_files - 1;
1315 st->codecpar->codec_type = type;
1317 ret = choose_encoder(o, oc, ost);
1319 av_log(NULL, AV_LOG_FATAL, "Error selecting an encoder for stream "
1320 "%d:%d\n", ost->file_index, ost->index);
1324 ost->enc_ctx = avcodec_alloc_context3(ost->enc);
1325 if (!ost->enc_ctx) {
1326 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
1329 ost->enc_ctx->codec_type = type;
1331 ost->ref_par = avcodec_parameters_alloc();
1332 if (!ost->ref_par) {
1333 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding parameters.\n");
1338 AVIOContext *s = NULL;
1339 char *buf = NULL, *arg = NULL, *preset = NULL;
1341 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
1343 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
1344 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
1347 if (!buf[0] || buf[0] == '#') {
1351 if (!(arg = strchr(buf, '='))) {
1352 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
1356 av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
1358 } while (!s->eof_reached);
1362 av_log(NULL, AV_LOG_FATAL,
1363 "Preset %s specified for stream %d:%d, but could not be opened.\n",
1364 preset, ost->file_index, ost->index);
1368 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
1373 ost->enc_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
1375 MATCH_PER_STREAM_OPT(time_bases, str, time_base, oc, st);
1378 if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
1379 q.num <= 0 || q.den <= 0) {
1380 av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
1386 MATCH_PER_STREAM_OPT(enc_time_bases, str, time_base, oc, st);
1389 if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
1391 av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
1394 ost->enc_timebase = q;
1397 ost->max_frames = INT64_MAX;
1398 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
1399 for (i = 0; i<o->nb_max_frames; i++) {
1400 char *p = o->max_frames[i].specifier;
1401 if (!*p && type != AVMEDIA_TYPE_VIDEO) {
1402 av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
1407 ost->copy_prior_start = -1;
1408 MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
1410 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsfs, oc, st);
1411 while (bsfs && *bsfs) {
1412 const AVBitStreamFilter *filter;
1413 char *bsf, *bsf_options_str, *bsf_name;
1415 bsf = av_get_token(&bsfs, ",");
1418 bsf_name = av_strtok(bsf, "=", &bsf_options_str);
1422 filter = av_bsf_get_by_name(bsf_name);
1424 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf_name);
1428 ost->bsf_ctx = av_realloc_array(ost->bsf_ctx,
1429 ost->nb_bitstream_filters + 1,
1430 sizeof(*ost->bsf_ctx));
1434 ret = av_bsf_alloc(filter, &ost->bsf_ctx[ost->nb_bitstream_filters]);
1436 av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
1440 ost->nb_bitstream_filters++;
1442 if (bsf_options_str && filter->priv_class) {
1443 const AVOption *opt = av_opt_next(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, NULL);
1444 const char * shorthand[2] = {NULL};
1447 shorthand[0] = opt->name;
1449 ret = av_opt_set_from_string(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, bsf_options_str, shorthand, "=", ":");
1451 av_log(NULL, AV_LOG_ERROR, "Error parsing options for bitstream filter %s\n", bsf_name);
1461 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
1463 uint32_t tag = strtol(codec_tag, &next, 0);
1465 tag = AV_RL32(codec_tag);
1466 ost->st->codecpar->codec_tag =
1467 ost->enc_ctx->codec_tag = tag;
1470 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
1472 ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
1473 ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
1476 MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
1477 ost->disposition = av_strdup(ost->disposition);
1479 ost->max_muxing_queue_size = 128;
1480 MATCH_PER_STREAM_OPT(max_muxing_queue_size, i, ost->max_muxing_queue_size, oc, st);
1481 ost->max_muxing_queue_size *= sizeof(AVPacket);
1483 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
1484 ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
1486 av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
1488 av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
1489 if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
1490 av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
1492 av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
1494 ost->source_index = source_index;
1495 if (source_index >= 0) {
1496 ost->sync_ist = input_streams[source_index];
1497 input_streams[source_index]->discard = 0;
1498 input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
1500 ost->last_mux_dts = AV_NOPTS_VALUE;
1502 ost->muxing_queue = av_fifo_alloc(8 * sizeof(AVPacket));
1503 if (!ost->muxing_queue)
1509 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1512 const char *p = str;
1519 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1526 /* read file contents into a string */
1527 static uint8_t *read_file(const char *filename)
1529 AVIOContext *pb = NULL;
1530 AVIOContext *dyn_buf = NULL;
1531 int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
1532 uint8_t buf[1024], *str;
1535 av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
1539 ret = avio_open_dyn_buf(&dyn_buf);
1544 while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
1545 avio_write(dyn_buf, buf, ret);
1546 avio_w8(dyn_buf, 0);
1549 ret = avio_close_dyn_buf(dyn_buf, &str);
1555 static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
1558 AVStream *st = ost->st;
1560 if (ost->filters_script && ost->filters) {
1561 av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
1562 "output stream #%d:%d.\n", nb_output_files, st->index);
1566 if (ost->filters_script)
1567 return read_file(ost->filters_script);
1568 else if (ost->filters)
1569 return av_strdup(ost->filters);
1571 return av_strdup(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ?
1575 static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
1576 const OutputStream *ost, enum AVMediaType type)
1578 if (ost->filters_script || ost->filters) {
1579 av_log(NULL, AV_LOG_ERROR,
1580 "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
1581 "Filtering and streamcopy cannot be used together.\n",
1582 ost->filters ? "Filtergraph" : "Filtergraph script",
1583 ost->filters ? ost->filters : ost->filters_script,
1584 av_get_media_type_string(type), ost->file_index, ost->index);
1589 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1593 AVCodecContext *video_enc;
1594 char *frame_rate = NULL, *frame_aspect_ratio = NULL;
1596 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1598 video_enc = ost->enc_ctx;
1600 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1601 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1602 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1605 if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
1606 av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
1608 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1609 if (frame_aspect_ratio) {
1611 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1612 q.num <= 0 || q.den <= 0) {
1613 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1616 ost->frame_aspect_ratio = q;
1619 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1620 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1622 if (!ost->stream_copy) {
1623 const char *p = NULL;
1624 char *frame_size = NULL;
1625 char *frame_pix_fmt = NULL;
1626 char *intra_matrix = NULL, *inter_matrix = NULL;
1627 char *chroma_intra_matrix = NULL;
1631 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1632 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1633 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1637 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1638 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1639 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1640 ost->keep_pix_fmt = 1;
1641 if (!*++frame_pix_fmt)
1642 frame_pix_fmt = NULL;
1644 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1645 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1648 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1651 video_enc->gop_size = 0;
1652 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1654 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1655 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1658 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1660 MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
1661 if (chroma_intra_matrix) {
1662 uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
1664 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1667 av_codec_set_chroma_intra_matrix(video_enc, p);
1668 parse_matrix_coeffs(p, chroma_intra_matrix);
1670 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1672 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1673 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1676 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1679 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1680 for (i = 0; p; i++) {
1682 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1684 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1687 video_enc->rc_override =
1688 av_realloc_array(video_enc->rc_override,
1689 i + 1, sizeof(RcOverride));
1690 if (!video_enc->rc_override) {
1691 av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
1694 video_enc->rc_override[i].start_frame = start;
1695 video_enc->rc_override[i].end_frame = end;
1697 video_enc->rc_override[i].qscale = q;
1698 video_enc->rc_override[i].quality_factor = 1.0;
1701 video_enc->rc_override[i].qscale = 0;
1702 video_enc->rc_override[i].quality_factor = -q/100.0;
1707 video_enc->rc_override_count = i;
1710 video_enc->flags|= AV_CODEC_FLAG_PSNR;
1713 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1716 video_enc->flags |= AV_CODEC_FLAG_PASS1;
1717 av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
1720 video_enc->flags |= AV_CODEC_FLAG_PASS2;
1721 av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
1725 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1726 if (ost->logfile_prefix &&
1727 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1731 char logfilename[1024];
1734 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1735 ost->logfile_prefix ? ost->logfile_prefix :
1736 DEFAULT_PASS_LOGFILENAME_PREFIX,
1738 if (!strcmp(ost->enc->name, "libx264")) {
1739 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1741 if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
1742 char *logbuffer = read_file(logfilename);
1745 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1749 video_enc->stats_in = logbuffer;
1751 if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
1752 f = av_fopen_utf8(logfilename, "wb");
1754 av_log(NULL, AV_LOG_FATAL,
1755 "Cannot write log file '%s' for pass-1 encoding: %s\n",
1756 logfilename, strerror(errno));
1764 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1765 if (ost->forced_keyframes)
1766 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1768 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1770 ost->top_field_first = -1;
1771 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1774 ost->avfilter = get_ost_filters(o, oc, ost);
1778 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1781 if (ost->stream_copy)
1782 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
1787 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1792 AVCodecContext *audio_enc;
1794 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1797 audio_enc = ost->enc_ctx;
1798 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1800 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1801 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1803 if (!ost->stream_copy) {
1804 char *sample_fmt = NULL;
1806 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1808 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1810 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1811 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1815 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1817 MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
1818 ost->apad = av_strdup(ost->apad);
1820 ost->avfilter = get_ost_filters(o, oc, ost);
1824 /* check for channel mapping for this audio stream */
1825 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1826 AudioChannelMap *map = &o->audio_channel_maps[n];
1827 if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1828 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1831 if (map->channel_idx == -1) {
1833 } else if (ost->source_index < 0) {
1834 av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
1835 ost->file_index, ost->st->index);
1838 ist = input_streams[ost->source_index];
1841 if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
1842 if (av_reallocp_array(&ost->audio_channels_map,
1843 ost->audio_channels_mapped + 1,
1844 sizeof(*ost->audio_channels_map)
1848 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1854 if (ost->stream_copy)
1855 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
1860 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1864 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1865 if (!ost->stream_copy) {
1866 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1873 static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1877 ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
1878 if (!ost->stream_copy) {
1879 av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
1886 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1888 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1889 ost->stream_copy = 1;
1894 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1898 AVCodecContext *subtitle_enc;
1900 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1902 subtitle_enc = ost->enc_ctx;
1904 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1906 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1908 if (!ost->stream_copy) {
1909 char *frame_size = NULL;
1911 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1912 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1913 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1921 /* arg format is "output-stream-index:streamid-value". */
1922 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1924 OptionsContext *o = optctx;
1929 av_strlcpy(idx_str, arg, sizeof(idx_str));
1930 p = strchr(idx_str, ':');
1932 av_log(NULL, AV_LOG_FATAL,
1933 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1938 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1939 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1940 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1944 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1946 AVFormatContext *is = ifile->ctx;
1947 AVFormatContext *os = ofile->ctx;
1951 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1953 return AVERROR(ENOMEM);
1956 for (i = 0; i < is->nb_chapters; i++) {
1957 AVChapter *in_ch = is->chapters[i], *out_ch;
1958 int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
1959 int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
1960 AV_TIME_BASE_Q, in_ch->time_base);
1961 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1962 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1965 if (in_ch->end < ts_off)
1967 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1970 out_ch = av_mallocz(sizeof(AVChapter));
1972 return AVERROR(ENOMEM);
1974 out_ch->id = in_ch->id;
1975 out_ch->time_base = in_ch->time_base;
1976 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1977 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1980 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1982 os->chapters[os->nb_chapters++] = out_ch;
1987 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1990 AVFormatContext *ic = avformat_alloc_context();
1992 ic->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
1993 ic->interrupt_callback = int_cb;
1994 err = avformat_open_input(&ic, filename, NULL, NULL);
1997 /* copy stream format */
1998 for(i=0;i<ic->nb_streams;i++) {
2002 const char *enc_config;
2004 codec = avcodec_find_encoder(ic->streams[i]->codecpar->codec_id);
2006 av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codecpar->codec_id);
2007 return AVERROR(EINVAL);
2009 if (codec->type == AVMEDIA_TYPE_AUDIO)
2010 opt_audio_codec(o, "c:a", codec->name);
2011 else if (codec->type == AVMEDIA_TYPE_VIDEO)
2012 opt_video_codec(o, "c:v", codec->name);
2013 ost = new_output_stream(o, s, codec->type, -1);
2016 avcodec_get_context_defaults3(st->codec, codec);
2017 enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
2019 AVDictionary *opts = NULL;
2020 av_dict_parse_string(&opts, enc_config, "=", ",", 0);
2021 av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
2022 av_dict_free(&opts);
2025 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
2026 choose_sample_fmt(st, codec);
2027 else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
2028 choose_pixel_fmt(st, st->codec, codec, st->codecpar->format);
2029 avcodec_copy_context(ost->enc_ctx, st->codec);
2031 av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
2034 avformat_close_input(&ic);
2038 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
2039 AVFormatContext *oc)
2043 switch (ofilter->type) {
2044 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
2045 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
2047 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
2052 ost->source_index = -1;
2053 ost->filter = ofilter;
2056 ofilter->format = -1;
2058 if (ost->stream_copy) {
2059 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
2060 "which is fed from a complex filtergraph. Filtering and streamcopy "
2061 "cannot be used together.\n", ost->file_index, ost->index);
2065 if (ost->avfilter && (ost->filters || ost->filters_script)) {
2066 const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
2067 av_log(NULL, AV_LOG_ERROR,
2068 "%s '%s' was specified through the %s option "
2069 "for output stream %d:%d, which is fed from a complex filtergraph.\n"
2070 "%s and -filter_complex cannot be used together for the same stream.\n",
2071 ost->filters ? "Filtergraph" : "Filtergraph script",
2072 ost->filters ? ost->filters : ost->filters_script,
2073 opt, ost->file_index, ost->index, opt);
2077 avfilter_inout_free(&ofilter->out_tmp);
2080 static int init_complex_filters(void)
2084 for (i = 0; i < nb_filtergraphs; i++) {
2085 ret = init_complex_filtergraph(filtergraphs[i]);
2092 static int open_output_file(OptionsContext *o, const char *filename)
2094 AVFormatContext *oc;
2096 AVOutputFormat *file_oformat;
2100 AVDictionary *unused_opts = NULL;
2101 AVDictionaryEntry *e = NULL;
2102 int format_flags = 0;
2104 if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
2105 o->stop_time = INT64_MAX;
2106 av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
2109 if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
2110 int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
2111 if (o->stop_time <= start_time) {
2112 av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
2115 o->recording_time = o->stop_time - start_time;
2119 GROW_ARRAY(output_files, nb_output_files);
2120 of = av_mallocz(sizeof(*of));
2123 output_files[nb_output_files - 1] = of;
2125 of->ost_index = nb_output_streams;
2126 of->recording_time = o->recording_time;
2127 of->start_time = o->start_time;
2128 of->limit_filesize = o->limit_filesize;
2129 of->shortest = o->shortest;
2130 av_dict_copy(&of->opts, o->g->format_opts, 0);
2132 if (!strcmp(filename, "-"))
2135 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
2137 print_error(filename, err);
2142 if (o->recording_time != INT64_MAX)
2143 oc->duration = o->recording_time;
2145 file_oformat= oc->oformat;
2146 oc->interrupt_callback = int_cb;
2148 e = av_dict_get(o->g->format_opts, "fflags", NULL, 0);
2150 const AVOption *o = av_opt_find(oc, "fflags", NULL, 0, 0);
2151 av_opt_eval_flags(oc, o, e->value, &format_flags);
2154 format_flags |= AVFMT_FLAG_BITEXACT;
2155 oc->flags |= AVFMT_FLAG_BITEXACT;
2158 /* create streams for all unlabeled output pads */
2159 for (i = 0; i < nb_filtergraphs; i++) {
2160 FilterGraph *fg = filtergraphs[i];
2161 for (j = 0; j < fg->nb_outputs; j++) {
2162 OutputFilter *ofilter = fg->outputs[j];
2164 if (!ofilter->out_tmp || ofilter->out_tmp->name)
2167 switch (ofilter->type) {
2168 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
2169 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
2170 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
2172 init_output_filter(ofilter, o, oc);
2176 /* ffserver seeking with date=... needs a date reference */
2177 if (!strcmp(file_oformat->name, "ffm") &&
2178 !(format_flags & AVFMT_FLAG_BITEXACT) &&
2179 av_strstart(filename, "http:", NULL)) {
2180 int err = parse_option(o, "metadata", "creation_time=now", options);
2182 print_error(filename, err);
2187 if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
2188 av_strstart(filename, "http:", NULL)) {
2190 /* special case for files sent to ffserver: we get the stream
2191 parameters from ffserver */
2192 int err = read_ffserver_streams(o, oc, filename);
2194 print_error(filename, err);
2197 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
2198 ost = output_streams[j];
2199 for (i = 0; i < nb_input_streams; i++) {
2200 ist = input_streams[i];
2201 if(ist->st->codecpar->codec_type == ost->st->codecpar->codec_type){
2203 ost->source_index= i;
2204 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
2205 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
2207 ist->st->discard = ist->user_set_discard;
2212 av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codecpar->codec_type));
2216 } else if (!o->nb_stream_maps) {
2217 char *subtitle_codec_name = NULL;
2218 /* pick the "best" stream of each type */
2220 /* video: highest resolution */
2221 if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
2222 int area = 0, idx = -1;
2223 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
2224 for (i = 0; i < nb_input_streams; i++) {
2226 ist = input_streams[i];
2227 new_area = ist->st->codecpar->width * ist->st->codecpar->height + 100000000*!!ist->st->codec_info_nb_frames;
2228 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2230 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2232 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2239 new_video_stream(o, oc, idx);
2242 /* audio: most channels */
2243 if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
2244 int best_score = 0, idx = -1;
2245 for (i = 0; i < nb_input_streams; i++) {
2247 ist = input_streams[i];
2248 score = ist->st->codecpar->channels + 100000000*!!ist->st->codec_info_nb_frames;
2249 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
2250 score > best_score) {
2256 new_audio_stream(o, oc, idx);
2259 /* subtitles: pick first */
2260 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
2261 if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
2262 for (i = 0; i < nb_input_streams; i++)
2263 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2264 AVCodecDescriptor const *input_descriptor =
2265 avcodec_descriptor_get(input_streams[i]->st->codecpar->codec_id);
2266 AVCodecDescriptor const *output_descriptor = NULL;
2267 AVCodec const *output_codec =
2268 avcodec_find_encoder(oc->oformat->subtitle_codec);
2269 int input_props = 0, output_props = 0;
2271 output_descriptor = avcodec_descriptor_get(output_codec->id);
2272 if (input_descriptor)
2273 input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2274 if (output_descriptor)
2275 output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2276 if (subtitle_codec_name ||
2277 input_props & output_props ||
2278 // Map dvb teletext which has neither property to any output subtitle encoder
2279 input_descriptor && output_descriptor &&
2280 (!input_descriptor->props ||
2281 !output_descriptor->props)) {
2282 new_subtitle_stream(o, oc, i);
2287 /* Data only if codec id match */
2288 if (!o->data_disable ) {
2289 enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
2290 for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
2291 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_DATA
2292 && input_streams[i]->st->codecpar->codec_id == codec_id )
2293 new_data_stream(o, oc, i);
2297 for (i = 0; i < o->nb_stream_maps; i++) {
2298 StreamMap *map = &o->stream_maps[i];
2303 if (map->linklabel) {
2305 OutputFilter *ofilter = NULL;
2308 for (j = 0; j < nb_filtergraphs; j++) {
2309 fg = filtergraphs[j];
2310 for (k = 0; k < fg->nb_outputs; k++) {
2311 AVFilterInOut *out = fg->outputs[k]->out_tmp;
2312 if (out && !strcmp(out->name, map->linklabel)) {
2313 ofilter = fg->outputs[k];
2320 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
2321 "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
2324 init_output_filter(ofilter, o, oc);
2326 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
2328 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
2329 if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
2331 if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2333 if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2335 if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2339 switch (ist->st->codecpar->codec_type) {
2340 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
2341 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
2342 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
2343 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
2344 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
2345 case AVMEDIA_TYPE_UNKNOWN:
2346 if (copy_unknown_streams) {
2347 ost = new_unknown_stream (o, oc, src_idx);
2351 av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
2352 "Cannot map stream #%d:%d - unsupported type.\n",
2353 map->file_index, map->stream_index);
2354 if (!ignore_unknown_streams) {
2355 av_log(NULL, AV_LOG_FATAL,
2356 "If you want unsupported types ignored instead "
2357 "of failing, please use the -ignore_unknown option\n"
2358 "If you want them copied, please use -copy_unknown\n");
2363 ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
2364 + map->sync_stream_index];
2369 /* handle attached files */
2370 for (i = 0; i < o->nb_attachments; i++) {
2372 uint8_t *attachment;
2376 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
2377 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
2381 if ((len = avio_size(pb)) <= 0) {
2382 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
2386 if (!(attachment = av_malloc(len))) {
2387 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
2391 avio_read(pb, attachment, len);
2393 ost = new_attachment_stream(o, oc, -1);
2394 ost->stream_copy = 0;
2395 ost->attachment_filename = o->attachments[i];
2396 ost->st->codecpar->extradata = attachment;
2397 ost->st->codecpar->extradata_size = len;
2399 p = strrchr(o->attachments[i], '/');
2400 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
2404 #if FF_API_LAVF_AVCTX
2405 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
2406 AVDictionaryEntry *e;
2407 ost = output_streams[i];
2409 if ((ost->stream_copy || ost->attachment_filename)
2410 && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
2411 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
2412 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
2417 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2418 av_dump_format(oc, nb_output_files - 1, oc->filename, 1);
2419 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
2423 /* check if all codec options have been used */
2424 unused_opts = strip_specifiers(o->g->codec_opts);
2425 for (i = of->ost_index; i < nb_output_streams; i++) {
2427 while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
2428 AV_DICT_IGNORE_SUFFIX)))
2429 av_dict_set(&unused_opts, e->key, NULL, 0);
2433 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
2434 const AVClass *class = avcodec_get_class();
2435 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
2436 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2437 const AVClass *fclass = avformat_get_class();
2438 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
2439 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2440 if (!option || foption)
2444 if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
2445 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
2446 "output file #%d (%s) is not an encoding option.\n", e->key,
2447 option->help ? option->help : "", nb_output_files - 1,
2452 // gop_timecode is injected by generic code but not always used
2453 if (!strcmp(e->key, "gop_timecode"))
2456 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
2457 "output file #%d (%s) has not been used for any stream. The most "
2458 "likely reason is either wrong type (e.g. a video option with "
2459 "no video streams) or that it is a private option of some encoder "
2460 "which was not actually used for any stream.\n", e->key,
2461 option->help ? option->help : "", nb_output_files - 1, filename);
2463 av_dict_free(&unused_opts);
2465 /* set the decoding_needed flags and create simple filtergraphs */
2466 for (i = of->ost_index; i < nb_output_streams; i++) {
2467 OutputStream *ost = output_streams[i];
2469 if (ost->encoding_needed && ost->source_index >= 0) {
2470 InputStream *ist = input_streams[ost->source_index];
2471 ist->decoding_needed |= DECODING_FOR_OST;
2473 if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
2474 ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2475 err = init_simple_filtergraph(ist, ost);
2477 av_log(NULL, AV_LOG_ERROR,
2478 "Error initializing a simple filtergraph between streams "
2479 "%d:%d->%d:%d\n", ist->file_index, ost->source_index,
2480 nb_output_files - 1, ost->st->index);
2486 /* set the filter output constraints */
2488 OutputFilter *f = ost->filter;
2490 switch (ost->enc_ctx->codec_type) {
2491 case AVMEDIA_TYPE_VIDEO:
2492 f->frame_rate = ost->frame_rate;
2493 f->width = ost->enc_ctx->width;
2494 f->height = ost->enc_ctx->height;
2495 if (ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE) {
2496 f->format = ost->enc_ctx->pix_fmt;
2497 } else if (ost->enc->pix_fmts) {
2499 while (ost->enc->pix_fmts[count] != AV_PIX_FMT_NONE)
2501 f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
2504 memcpy(f->formats, ost->enc->pix_fmts, (count + 1) * sizeof(*f->formats));
2507 case AVMEDIA_TYPE_AUDIO:
2508 if (ost->enc_ctx->sample_fmt != AV_SAMPLE_FMT_NONE) {
2509 f->format = ost->enc_ctx->sample_fmt;
2510 } else if (ost->enc->sample_fmts) {
2512 while (ost->enc->sample_fmts[count] != AV_SAMPLE_FMT_NONE)
2514 f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
2517 memcpy(f->formats, ost->enc->sample_fmts, (count + 1) * sizeof(*f->formats));
2519 if (ost->enc_ctx->sample_rate) {
2520 f->sample_rate = ost->enc_ctx->sample_rate;
2521 } else if (ost->enc->supported_samplerates) {
2523 while (ost->enc->supported_samplerates[count])
2525 f->sample_rates = av_mallocz_array(count + 1, sizeof(*f->sample_rates));
2526 if (!f->sample_rates)
2528 memcpy(f->sample_rates, ost->enc->supported_samplerates,
2529 (count + 1) * sizeof(*f->sample_rates));
2531 if (ost->enc_ctx->channels) {
2532 f->channel_layout = av_get_default_channel_layout(ost->enc_ctx->channels);
2533 } else if (ost->enc->channel_layouts) {
2535 while (ost->enc->channel_layouts[count])
2537 f->channel_layouts = av_mallocz_array(count + 1, sizeof(*f->channel_layouts));
2538 if (!f->channel_layouts)
2540 memcpy(f->channel_layouts, ost->enc->channel_layouts,
2541 (count + 1) * sizeof(*f->channel_layouts));
2548 /* check filename in case of an image number is expected */
2549 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2550 if (!av_filename_number_test(oc->filename)) {
2551 print_error(oc->filename, AVERROR(EINVAL));
2556 if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
2557 av_log(NULL, AV_LOG_ERROR,
2558 "No input streams but output needs an input stream\n");
2562 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2563 /* test if it already exists to avoid losing precious files */
2564 assert_file_overwrite(filename);
2567 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
2568 &oc->interrupt_callback,
2570 print_error(filename, err);
2573 } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
2574 assert_file_overwrite(filename);
2576 if (o->mux_preload) {
2577 av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
2579 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
2582 for (i = 0; i < o->nb_metadata_map; i++) {
2584 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
2586 if (in_file_index >= nb_input_files) {
2587 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
2590 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
2591 in_file_index >= 0 ?
2592 input_files[in_file_index]->ctx : NULL, o);
2596 if (o->chapters_input_file >= nb_input_files) {
2597 if (o->chapters_input_file == INT_MAX) {
2598 /* copy chapters from the first input file that has them*/
2599 o->chapters_input_file = -1;
2600 for (i = 0; i < nb_input_files; i++)
2601 if (input_files[i]->ctx->nb_chapters) {
2602 o->chapters_input_file = i;
2606 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
2607 o->chapters_input_file);
2611 if (o->chapters_input_file >= 0)
2612 copy_chapters(input_files[o->chapters_input_file], of,
2613 !o->metadata_chapters_manual);
2615 /* copy global metadata by default */
2616 if (!o->metadata_global_manual && nb_input_files){
2617 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
2618 AV_DICT_DONT_OVERWRITE);
2619 if(o->recording_time != INT64_MAX)
2620 av_dict_set(&oc->metadata, "duration", NULL, 0);
2621 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
2623 if (!o->metadata_streams_manual)
2624 for (i = of->ost_index; i < nb_output_streams; i++) {
2626 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
2628 ist = input_streams[output_streams[i]->source_index];
2629 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
2630 if (!output_streams[i]->stream_copy) {
2631 av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
2635 /* process manually set programs */
2636 for (i = 0; i < o->nb_program; i++) {
2637 const char *p = o->program[i].u.str;
2642 const char *p2 = av_get_token(&p, ":");
2643 const char *to_dealloc = p2;
2650 key = av_get_token(&p2, "=");
2652 av_freep(&to_dealloc);
2658 if (!strcmp(key, "program_num"))
2659 progid = strtol(p2, NULL, 0);
2660 av_freep(&to_dealloc);
2664 program = av_new_program(oc, progid);
2666 p = o->program[i].u.str;
2668 const char *p2 = av_get_token(&p, ":");
2669 const char *to_dealloc = p2;
2675 key = av_get_token(&p2, "=");
2677 av_log(NULL, AV_LOG_FATAL,
2678 "No '=' character in program string %s.\n",
2686 if (!strcmp(key, "title")) {
2687 av_dict_set(&program->metadata, "title", p2, 0);
2688 } else if (!strcmp(key, "program_num")) {
2689 } else if (!strcmp(key, "st")) {
2690 int st_num = strtol(p2, NULL, 0);
2691 av_program_add_stream_index(oc, progid, st_num);
2693 av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
2696 av_freep(&to_dealloc);
2701 /* process manually set metadata */
2702 for (i = 0; i < o->nb_metadata; i++) {
2705 const char *stream_spec;
2706 int index = 0, j, ret = 0;
2708 val = strchr(o->metadata[i].u.str, '=');
2710 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
2711 o->metadata[i].u.str);
2716 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
2718 for (j = 0; j < oc->nb_streams; j++) {
2719 ost = output_streams[nb_output_streams - oc->nb_streams + j];
2720 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
2721 if (!strcmp(o->metadata[i].u.str, "rotate")) {
2723 double theta = av_strtod(val, &tail);
2725 ost->rotate_overridden = 1;
2726 ost->rotate_override_value = theta;
2729 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
2741 if (index < 0 || index >= oc->nb_chapters) {
2742 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
2745 m = &oc->chapters[index]->metadata;
2748 if (index < 0 || index >= oc->nb_programs) {
2749 av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
2752 m = &oc->programs[index]->metadata;
2755 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
2758 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
2765 static int opt_target(void *optctx, const char *opt, const char *arg)
2767 OptionsContext *o = optctx;
2768 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
2769 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
2771 if (!strncmp(arg, "pal-", 4)) {
2774 } else if (!strncmp(arg, "ntsc-", 5)) {
2777 } else if (!strncmp(arg, "film-", 5)) {
2781 /* Try to determine PAL/NTSC by peeking in the input files */
2782 if (nb_input_files) {
2784 for (j = 0; j < nb_input_files; j++) {
2785 for (i = 0; i < input_files[j]->nb_streams; i++) {
2786 AVStream *st = input_files[j]->ctx->streams[i];
2787 if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
2789 fr = st->time_base.den * 1000 / st->time_base.num;
2793 } else if ((fr == 29970) || (fr == 23976)) {
2798 if (norm != UNKNOWN)
2802 if (norm != UNKNOWN)
2803 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
2806 if (norm == UNKNOWN) {
2807 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
2808 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
2809 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
2813 if (!strcmp(arg, "vcd")) {
2814 opt_video_codec(o, "c:v", "mpeg1video");
2815 opt_audio_codec(o, "c:a", "mp2");
2816 parse_option(o, "f", "vcd", options);
2818 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
2819 parse_option(o, "r", frame_rates[norm], options);
2820 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2822 opt_default(NULL, "b:v", "1150000");
2823 opt_default(NULL, "maxrate:v", "1150000");
2824 opt_default(NULL, "minrate:v", "1150000");
2825 opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
2827 opt_default(NULL, "b:a", "224000");
2828 parse_option(o, "ar", "44100", options);
2829 parse_option(o, "ac", "2", options);
2831 opt_default(NULL, "packetsize", "2324");
2832 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
2834 /* We have to offset the PTS, so that it is consistent with the SCR.
2835 SCR starts at 36000, but the first two packs contain only padding
2836 and the first pack from the other stream, respectively, may also have
2837 been written before.
2838 So the real data starts at SCR 36000+3*1200. */
2839 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
2840 } else if (!strcmp(arg, "svcd")) {
2842 opt_video_codec(o, "c:v", "mpeg2video");
2843 opt_audio_codec(o, "c:a", "mp2");
2844 parse_option(o, "f", "svcd", options);
2846 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
2847 parse_option(o, "r", frame_rates[norm], options);
2848 parse_option(o, "pix_fmt", "yuv420p", options);
2849 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2851 opt_default(NULL, "b:v", "2040000");
2852 opt_default(NULL, "maxrate:v", "2516000");
2853 opt_default(NULL, "minrate:v", "0"); // 1145000;
2854 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2855 opt_default(NULL, "scan_offset", "1");
2857 opt_default(NULL, "b:a", "224000");
2858 parse_option(o, "ar", "44100", options);
2860 opt_default(NULL, "packetsize", "2324");
2862 } else if (!strcmp(arg, "dvd")) {
2864 opt_video_codec(o, "c:v", "mpeg2video");
2865 opt_audio_codec(o, "c:a", "ac3");
2866 parse_option(o, "f", "dvd", options);
2868 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2869 parse_option(o, "r", frame_rates[norm], options);
2870 parse_option(o, "pix_fmt", "yuv420p", options);
2871 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2873 opt_default(NULL, "b:v", "6000000");
2874 opt_default(NULL, "maxrate:v", "9000000");
2875 opt_default(NULL, "minrate:v", "0"); // 1500000;
2876 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2878 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
2879 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
2881 opt_default(NULL, "b:a", "448000");
2882 parse_option(o, "ar", "48000", options);
2884 } else if (!strncmp(arg, "dv", 2)) {
2886 parse_option(o, "f", "dv", options);
2888 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2889 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
2890 norm == PAL ? "yuv420p" : "yuv411p", options);
2891 parse_option(o, "r", frame_rates[norm], options);
2893 parse_option(o, "ar", "48000", options);
2894 parse_option(o, "ac", "2", options);
2897 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
2898 return AVERROR(EINVAL);
2901 av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
2902 av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
2907 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
2909 av_free (vstats_filename);
2910 vstats_filename = av_strdup (arg);
2914 static int opt_vstats(void *optctx, const char *opt, const char *arg)
2917 time_t today2 = time(NULL);
2918 struct tm *today = localtime(&today2);
2920 if (!today) { // maybe tomorrow
2921 av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
2925 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
2927 return opt_vstats_file(NULL, opt, filename);
2930 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
2932 OptionsContext *o = optctx;
2933 return parse_option(o, "frames:v", arg, options);
2936 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
2938 OptionsContext *o = optctx;
2939 return parse_option(o, "frames:a", arg, options);
2942 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
2944 OptionsContext *o = optctx;
2945 return parse_option(o, "frames:d", arg, options);
2948 static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
2951 AVDictionary *cbak = codec_opts;
2952 AVDictionary *fbak = format_opts;
2956 ret = opt_default(NULL, opt, arg);
2958 av_dict_copy(&o->g->codec_opts , codec_opts, 0);
2959 av_dict_copy(&o->g->format_opts, format_opts, 0);
2960 av_dict_free(&codec_opts);
2961 av_dict_free(&format_opts);
2968 static int opt_preset(void *optctx, const char *opt, const char *arg)
2970 OptionsContext *o = optctx;
2972 char filename[1000], line[1000], tmp_line[1000];
2973 const char *codec_name = NULL;
2977 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
2979 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
2980 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
2981 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
2983 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
2987 while (fgets(line, sizeof(line), f)) {
2988 char *key = tmp_line, *value, *endptr;
2990 if (strcspn(line, "#\n\r") == 0)
2992 av_strlcpy(tmp_line, line, sizeof(tmp_line));
2993 if (!av_strtok(key, "=", &value) ||
2994 !av_strtok(value, "\r\n", &endptr)) {
2995 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
2998 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
3000 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
3001 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
3002 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
3003 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
3004 else if (opt_default_new(o, key, value) < 0) {
3005 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
3006 filename, line, key, value);
3016 static int opt_old2new(void *optctx, const char *opt, const char *arg)
3018 OptionsContext *o = optctx;
3019 char *s = av_asprintf("%s:%c", opt + 1, *opt);
3020 int ret = parse_option(o, s, arg, options);
3025 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
3027 OptionsContext *o = optctx;
3029 if(!strcmp(opt, "ab")){
3030 av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
3032 } else if(!strcmp(opt, "b")){
3033 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
3034 av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
3037 av_dict_set(&o->g->codec_opts, opt, arg, 0);
3041 static int opt_qscale(void *optctx, const char *opt, const char *arg)
3043 OptionsContext *o = optctx;
3046 if(!strcmp(opt, "qscale")){
3047 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
3048 return parse_option(o, "q:v", arg, options);
3050 s = av_asprintf("q%s", opt + 6);
3051 ret = parse_option(o, s, arg, options);
3056 static int opt_profile(void *optctx, const char *opt, const char *arg)
3058 OptionsContext *o = optctx;
3059 if(!strcmp(opt, "profile")){
3060 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
3061 av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
3064 av_dict_set(&o->g->codec_opts, opt, arg, 0);
3068 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
3070 OptionsContext *o = optctx;
3071 return parse_option(o, "filter:v", arg, options);
3074 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
3076 OptionsContext *o = optctx;
3077 return parse_option(o, "filter:a", arg, options);
3080 static int opt_vsync(void *optctx, const char *opt, const char *arg)
3082 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
3083 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
3084 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
3085 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
3087 if (video_sync_method == VSYNC_AUTO)
3088 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
3092 static int opt_timecode(void *optctx, const char *opt, const char *arg)
3094 OptionsContext *o = optctx;
3095 char *tcr = av_asprintf("timecode=%s", arg);
3096 int ret = parse_option(o, "metadata:g", tcr, options);
3098 ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
3103 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
3105 OptionsContext *o = optctx;
3106 char layout_str[32];
3109 int ret, channels, ac_str_size;
3112 layout = av_get_channel_layout(arg);
3114 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
3115 return AVERROR(EINVAL);
3117 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
3118 ret = opt_default_new(o, opt, layout_str);
3122 /* set 'ac' option based on channel layout */
3123 channels = av_get_channel_layout_nb_channels(layout);
3124 snprintf(layout_str, sizeof(layout_str), "%d", channels);
3125 stream_str = strchr(opt, ':');
3126 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
3127 ac_str = av_mallocz(ac_str_size);
3129 return AVERROR(ENOMEM);
3130 av_strlcpy(ac_str, "ac", 3);
3132 av_strlcat(ac_str, stream_str, ac_str_size);
3133 ret = parse_option(o, ac_str, layout_str, options);
3139 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
3141 OptionsContext *o = optctx;
3142 return parse_option(o, "q:a", arg, options);
3145 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
3147 GROW_ARRAY(filtergraphs, nb_filtergraphs);
3148 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
3149 return AVERROR(ENOMEM);
3150 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
3151 filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
3152 if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
3153 return AVERROR(ENOMEM);
3155 input_stream_potentially_available = 1;
3160 static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
3162 uint8_t *graph_desc = read_file(arg);
3164 return AVERROR(EINVAL);
3166 GROW_ARRAY(filtergraphs, nb_filtergraphs);
3167 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
3168 return AVERROR(ENOMEM);
3169 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
3170 filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
3172 input_stream_potentially_available = 1;
3177 void show_help_default(const char *opt, const char *arg)
3179 /* per-file options have at least one of those set */
3180 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
3181 int show_advanced = 0, show_avoptions = 0;
3184 if (!strcmp(opt, "long"))
3186 else if (!strcmp(opt, "full"))
3187 show_advanced = show_avoptions = 1;
3189 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
3194 printf("Getting help:\n"
3195 " -h -- print basic options\n"
3196 " -h long -- print more options\n"
3197 " -h full -- print all options (including all format and codec specific options, very long)\n"
3198 " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter\n"
3199 " See man %s for detailed description of the options.\n"
3200 "\n", program_name);
3202 show_help_options(options, "Print help / information / capabilities:",
3205 show_help_options(options, "Global options (affect whole program "
3206 "instead of just one file:",
3207 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
3209 show_help_options(options, "Advanced global options:", OPT_EXPERT,
3210 per_file | OPT_EXIT, 0);
3212 show_help_options(options, "Per-file main options:", 0,
3213 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
3214 OPT_EXIT, per_file);
3216 show_help_options(options, "Advanced per-file options:",
3217 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
3219 show_help_options(options, "Video options:",
3220 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
3222 show_help_options(options, "Advanced Video options:",
3223 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
3225 show_help_options(options, "Audio options:",
3226 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
3228 show_help_options(options, "Advanced Audio options:",
3229 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
3230 show_help_options(options, "Subtitle options:",
3231 OPT_SUBTITLE, 0, 0);
3234 if (show_avoptions) {
3235 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
3236 show_help_children(avcodec_get_class(), flags);
3237 show_help_children(avformat_get_class(), flags);
3239 show_help_children(sws_get_class(), flags);
3241 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
3242 show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
3246 void show_usage(void)
3248 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
3249 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3250 av_log(NULL, AV_LOG_INFO, "\n");
3258 static const OptionGroupDef groups[] = {
3259 [GROUP_OUTFILE] = { "output url", NULL, OPT_OUTPUT },
3260 [GROUP_INFILE] = { "input url", "i", OPT_INPUT },
3263 static int open_files(OptionGroupList *l, const char *inout,
3264 int (*open_file)(OptionsContext*, const char*))
3268 for (i = 0; i < l->nb_groups; i++) {
3269 OptionGroup *g = &l->groups[i];
3275 ret = parse_optgroup(&o, g);
3277 av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
3278 "%s.\n", inout, g->arg);
3282 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
3283 ret = open_file(&o, g->arg);
3286 av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
3290 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
3296 int ffmpeg_parse_options(int argc, char **argv)
3298 OptionParseContext octx;
3302 memset(&octx, 0, sizeof(octx));
3304 /* split the commandline into an internal representation */
3305 ret = split_commandline(&octx, argc, argv, options, groups,
3306 FF_ARRAY_ELEMS(groups));
3308 av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
3312 /* apply global options */
3313 ret = parse_optgroup(NULL, &octx.global_opts);
3315 av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
3319 /* configure terminal and setup signal handlers */
3322 /* open input files */
3323 ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
3325 av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
3329 /* create the complex filtergraphs */
3330 ret = init_complex_filters();
3332 av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
3336 /* open output files */
3337 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
3339 av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
3343 check_filter_outputs();
3346 uninit_parse_context(&octx);
3348 av_strerror(ret, error, sizeof(error));
3349 av_log(NULL, AV_LOG_FATAL, "%s\n", error);
3354 static int opt_progress(void *optctx, const char *opt, const char *arg)
3356 AVIOContext *avio = NULL;
3359 if (!strcmp(arg, "-"))
3361 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
3363 av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
3364 arg, av_err2str(ret));
3367 progress_avio = avio;
3371 #define OFFSET(x) offsetof(OptionsContext, x)
3372 const OptionDef options[] = {
3374 CMDUTILS_COMMON_OPTIONS
3375 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
3376 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
3377 "force format", "fmt" },
3378 { "y", OPT_BOOL, { &file_overwrite },
3379 "overwrite output files" },
3380 { "n", OPT_BOOL, { &no_file_overwrite },
3381 "never overwrite output files" },
3382 { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
3383 "Ignore unknown stream types" },
3384 { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
3385 "Copy unknown stream types" },
3386 { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
3387 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3388 "codec name", "codec" },
3389 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
3390 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3391 "codec name", "codec" },
3392 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
3393 OPT_OUTPUT, { .off = OFFSET(presets) },
3394 "preset name", "preset" },
3395 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3396 OPT_OUTPUT, { .func_arg = opt_map },
3397 "set input stream mapping",
3398 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
3399 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
3400 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
3401 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
3402 OPT_OUTPUT, { .off = OFFSET(metadata_map) },
3403 "set metadata information of outfile from infile",
3404 "outfile[,metadata]:infile[,metadata]" },
3405 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
3406 OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
3407 "set chapters mapping", "input_file_index" },
3408 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
3409 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
3410 "record or transcode \"duration\" seconds of audio/video",
3412 { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
3413 "record or transcode stop time", "time_stop" },
3414 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
3415 "set the limit file size in bytes", "limit_size" },
3416 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
3417 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
3418 "set the start time offset", "time_off" },
3419 { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
3420 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time_eof) },
3421 "set the start time offset relative to EOF", "time_off" },
3422 { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
3423 OPT_INPUT, { .off = OFFSET(seek_timestamp) },
3424 "enable/disable seeking by timestamp with -ss" },
3425 { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
3426 OPT_INPUT, { .off = OFFSET(accurate_seek) },
3427 "enable/disable accurate seeking with -ss" },
3428 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
3429 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
3430 "set the input ts offset", "time_off" },
3431 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
3432 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
3433 "set the input ts scale", "scale" },
3434 { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
3435 "set the recording timestamp ('now' to set the current time)", "time" },
3436 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
3437 "add metadata", "string=string" },
3438 { "program", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(program) },
3439 "add program with specified streams", "title=string:st=number..." },
3440 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3441 OPT_OUTPUT, { .func_arg = opt_data_frames },
3442 "set the number of data frames to output", "number" },
3443 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
3444 "add timings for benchmarking" },
3445 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
3446 "add timings for each task" },
3447 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
3448 "write program-readable progress information", "url" },
3449 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
3450 "enable or disable interaction on standard input" },
3451 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
3452 "set max runtime in seconds", "limit" },
3453 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
3454 "dump each input packet" },
3455 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
3456 "when dumping packets, also dump the payload" },
3457 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3458 OPT_INPUT, { .off = OFFSET(rate_emu) },
3459 "read input at native frame rate", "" },
3460 { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
3461 "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
3462 "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
3463 { "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
3464 "video sync method", "" },
3465 { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
3466 "frame drop threshold", "" },
3467 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
3468 "audio sync method", "" },
3469 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
3470 "audio drift threshold", "threshold" },
3471 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
3472 "copy timestamps" },
3473 { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
3474 "shift input timestamps to start at 0 when using copyts" },
3475 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
3476 "copy input stream time base when stream copying", "mode" },
3477 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3478 OPT_OUTPUT, { .off = OFFSET(shortest) },
3479 "finish encoding within shortest input" },
3480 { "bitexact", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3481 OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(bitexact) },
3483 { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
3484 OPT_OUTPUT, { .off = OFFSET(apad) },
3486 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
3487 "timestamp discontinuity delta threshold", "threshold" },
3488 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
3489 "timestamp error delta threshold", "threshold" },
3490 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
3491 "exit on error", "error" },
3492 { "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
3493 "abort on the specified condition flags", "flags" },
3494 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3495 OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
3496 "copy initial non-keyframes" },
3497 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
3498 "copy or discard frames before start time" },
3499 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
3500 "set the number of frames to output", "number" },
3501 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
3502 OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
3503 "force codec tag/fourcc", "fourcc/tag" },
3504 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
3505 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
3506 "use fixed quality scale (VBR)", "q" },
3507 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3508 OPT_OUTPUT, { .func_arg = opt_qscale },
3509 "use fixed quality scale (VBR)", "q" },
3510 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
3511 "set profile", "profile" },
3512 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
3513 "set stream filtergraph", "filter_graph" },
3514 { "filter_threads", HAS_ARG | OPT_INT, { &filter_nbthreads },
3515 "number of non-complex filter threads" },
3516 { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
3517 "read stream filtergraph description from a file", "filename" },
3518 { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
3519 "reinit filtergraph on input parameter changes", "" },
3520 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3521 "create a complex filtergraph", "graph_description" },
3522 { "filter_complex_threads", HAS_ARG | OPT_INT, { &filter_complex_nbthreads },
3523 "number of threads for -filter_complex" },
3524 { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3525 "create a complex filtergraph", "graph_description" },
3526 { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
3527 "read complex filtergraph description from a file", "filename" },
3528 { "stats", OPT_BOOL, { &print_stats },
3529 "print progress report during encoding", },
3530 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3531 OPT_OUTPUT, { .func_arg = opt_attach },
3532 "add an attachment to the output file", "filename" },
3533 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
3534 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
3535 "extract an attachment into a file", "filename" },
3536 { "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
3537 OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
3538 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
3539 "print timestamp debugging info" },
3540 { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
3541 "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
3542 { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
3543 OPT_INPUT, { .off = OFFSET(discard) },
3545 { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
3546 OPT_OUTPUT, { .off = OFFSET(disposition) },
3547 "disposition", "" },
3548 { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
3549 { .off = OFFSET(thread_queue_size) },
3550 "set the maximum number of queued packets from the demuxer" },
3551 { "find_stream_info", OPT_BOOL | OPT_PERFILE | OPT_INPUT | OPT_EXPERT, { &find_stream_info },
3552 "read and decode the streams to fill missing information with heuristics" },
3555 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
3556 "set the number of video frames to output", "number" },
3557 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3558 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
3559 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3560 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
3561 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
3562 "set frame size (WxH or abbreviation)", "size" },
3563 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3564 OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
3565 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3566 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3567 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
3568 "set pixel format", "format" },
3569 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
3570 "set the number of bits per raw sample", "number" },
3571 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
3572 "deprecated use -g 1" },
3573 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
3575 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3576 OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
3577 "rate control override for specific intervals", "override" },
3578 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
3579 OPT_OUTPUT, { .func_arg = opt_video_codec },
3580 "force video codec ('copy' to copy stream)", "codec" },
3581 { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3583 { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3585 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
3586 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
3587 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
3588 "select the pass number (1 to 3)", "n" },
3589 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
3590 OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
3591 "select two pass log file name prefix", "prefix" },
3592 { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
3593 "this option is deprecated, use the yadif filter instead" },
3594 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
3595 "calculate PSNR of compressed frames" },
3596 { "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
3597 "dump video coding statistics to file" },
3598 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
3599 "dump video coding statistics to file", "file" },
3600 { "vstats_version", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &vstats_version },
3601 "Version of the vstats format to use."},
3602 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
3603 "set video filters", "filter_graph" },
3604 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3605 OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
3606 "specify intra matrix coeffs", "matrix" },
3607 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3608 OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
3609 "specify inter matrix coeffs", "matrix" },
3610 { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3611 OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
3612 "specify intra matrix coeffs", "matrix" },
3613 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
3614 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
3615 "top=1/bottom=0/auto=-1 field first", "" },
3616 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3617 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
3618 "force video tag/fourcc", "fourcc/tag" },
3619 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
3620 "show QP histogram" },
3621 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3622 OPT_OUTPUT, { .off = OFFSET(force_fps) },
3623 "force the selected framerate, disable the best supported framerate selection" },
3624 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3625 OPT_OUTPUT, { .func_arg = opt_streamid },
3626 "set the value of an outfile streamid", "streamIndex:value" },
3627 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3628 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
3629 "force key frames at specified timestamps", "timestamps" },
3630 { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3631 "audio bitrate (please use -b:a)", "bitrate" },
3632 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3633 "video bitrate (please use -b:v)", "bitrate" },
3634 { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3635 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
3636 "use HW accelerated decoding", "hwaccel name" },
3637 { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3638 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
3639 "select a device for HW acceleration", "devicename" },
3640 { "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3641 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
3642 "select output format used with HW accelerated decoding", "format" },
3643 #if CONFIG_VIDEOTOOLBOX
3644 { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
3646 { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
3647 "show available HW acceleration methods" },
3648 { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
3649 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
3650 "automatically insert correct rotate filters" },
3653 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
3654 "set the number of audio frames to output", "number" },
3655 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
3656 "set audio quality (codec-specific)", "quality", },
3657 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3658 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
3659 "set audio sampling rate (in Hz)", "rate" },
3660 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3661 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
3662 "set number of audio channels", "channels" },
3663 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
3665 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
3666 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
3667 "force audio codec ('copy' to copy stream)", "codec" },
3668 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3669 OPT_OUTPUT, { .func_arg = opt_old2new },
3670 "force audio tag/fourcc", "fourcc/tag" },
3671 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
3672 "change audio volume (256=normal)" , "volume" },
3673 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
3674 OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
3675 "set sample format", "format" },
3676 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3677 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
3678 "set channel layout", "layout" },
3679 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
3680 "set audio filters", "filter_graph" },
3681 { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
3682 "set the maximum number of channels to try to guess the channel layout" },
3684 /* subtitle options */
3685 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
3686 "disable subtitle" },
3687 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
3688 "force subtitle codec ('copy' to copy stream)", "codec" },
3689 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
3690 , "force subtitle tag/fourcc", "fourcc/tag" },
3691 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
3692 "fix subtitles duration" },
3693 { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
3694 "set canvas size (WxH or abbreviation)", "size" },
3697 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
3698 "deprecated, use -channel", "channel" },
3699 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
3700 "deprecated, use -standard", "standard" },
3701 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
3704 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
3705 "set the maximum demux-decode delay", "seconds" },
3706 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
3707 "set the initial demux-decode delay", "seconds" },
3708 { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
3709 "override the options from ffserver", "" },
3710 { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
3711 "specify a file in which to print sdp information", "file" },
3713 { "time_base", HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(time_bases) },
3714 "set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)", "ratio" },
3715 { "enc_time_base", HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(enc_time_bases) },
3716 "set the desired time base for the encoder (1:24, 1:48000 or 0.04166, 2.0833e-5). "
3717 "two special values are defined - "
3718 "0 = use frame rate (video) or sample rate (audio),"
3719 "-1 = match source time base", "ratio" },
3721 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
3722 "A comma-separated list of bitstream filters", "bitstream_filters" },
3723 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3724 "deprecated", "audio bitstream_filters" },
3725 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3726 "deprecated", "video bitstream_filters" },
3728 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3729 "set the audio options to the indicated preset", "preset" },
3730 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3731 "set the video options to the indicated preset", "preset" },
3732 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3733 "set the subtitle options to the indicated preset", "preset" },
3734 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3735 "set options from indicated preset file", "filename" },
3737 { "max_muxing_queue_size", HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(max_muxing_queue_size) },
3738 "maximum number of packets that can be buffered while waiting for all streams to initialize", "packets" },
3740 /* data codec support */
3741 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
3742 "force data codec ('copy' to copy stream)", "codec" },
3743 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
3747 { "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
3748 "set VAAPI hardware device (DRM path or X11 display name)", "device" },
3752 { "qsv_device", HAS_ARG | OPT_STRING | OPT_EXPERT, { &qsv_device },
3753 "set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", "device"},
3756 { "init_hw_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_init_hw_device },
3757 "initialise hardware device", "args" },
3758 { "filter_hw_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_hw_device },
3759 "set hardware device used when filtering", "device" },