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", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
73 { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD },
76 { "vda", videotoolbox_init, HWACCEL_VDA, AV_PIX_FMT_VDA },
78 #if CONFIG_VIDEOTOOLBOX
79 { "videotoolbox", videotoolbox_init, HWACCEL_VIDEOTOOLBOX, AV_PIX_FMT_VIDEOTOOLBOX },
82 { "qsv", qsv_init, HWACCEL_QSV, AV_PIX_FMT_QSV },
85 { "vaapi", vaapi_decode_init, HWACCEL_VAAPI, AV_PIX_FMT_VAAPI },
88 { "cuvid", cuvid_init, HWACCEL_CUVID, AV_PIX_FMT_CUDA },
92 int hwaccel_lax_profile_check = 0;
93 AVBufferRef *hw_device_ctx;
95 char *vstats_filename;
98 float audio_drift_threshold = 0.1;
99 float dts_delta_threshold = 10;
100 float dts_error_threshold = 3600*30;
102 int audio_volume = 256;
103 int audio_sync_method = 0;
104 int video_sync_method = VSYNC_AUTO;
105 float frame_drop_threshold = 0;
106 int do_deinterlace = 0;
107 int do_benchmark = 0;
108 int do_benchmark_all = 0;
112 int start_at_zero = 0;
115 int exit_on_error = 0;
116 int abort_on_flags = 0;
117 int print_stats = -1;
119 int stdin_interaction = 1;
120 int frame_bits_per_raw_sample = 0;
121 float max_error_rate = 2.0/3;
122 int filter_nbthreads = 0;
123 int filter_complex_nbthreads = 0;
124 int vstats_version = 2;
127 static int intra_only = 0;
128 static int file_overwrite = 0;
129 static int no_file_overwrite = 0;
130 static int do_psnr = 0;
131 static int input_sync;
132 static int override_ffserver = 0;
133 static int input_stream_potentially_available = 0;
134 static int ignore_unknown_streams = 0;
135 static int copy_unknown_streams = 0;
137 static void uninit_options(OptionsContext *o)
139 const OptionDef *po = options;
142 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
144 void *dst = (uint8_t*)o + po->u.off;
146 if (po->flags & OPT_SPEC) {
147 SpecifierOpt **so = dst;
148 int i, *count = (int*)(so + 1);
149 for (i = 0; i < *count; i++) {
150 av_freep(&(*so)[i].specifier);
151 if (po->flags & OPT_STRING)
152 av_freep(&(*so)[i].u.str);
156 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
161 for (i = 0; i < o->nb_stream_maps; i++)
162 av_freep(&o->stream_maps[i].linklabel);
163 av_freep(&o->stream_maps);
164 av_freep(&o->audio_channel_maps);
165 av_freep(&o->streamid_map);
166 av_freep(&o->attachments);
169 static void init_options(OptionsContext *o)
171 memset(o, 0, sizeof(*o));
173 o->stop_time = INT64_MAX;
174 o->mux_max_delay = 0.7;
175 o->start_time = AV_NOPTS_VALUE;
176 o->start_time_eof = AV_NOPTS_VALUE;
177 o->recording_time = INT64_MAX;
178 o->limit_filesize = UINT64_MAX;
179 o->chapters_input_file = INT_MAX;
180 o->accurate_seek = 1;
183 static int show_hwaccels(void *optctx, const char *opt, const char *arg)
187 printf("Hardware acceleration methods:\n");
188 for (i = 0; hwaccels[i].name; i++) {
189 printf("%s\n", hwaccels[i].name);
195 /* return a copy of the input with the stream specifiers removed from the keys */
196 static AVDictionary *strip_specifiers(AVDictionary *dict)
198 AVDictionaryEntry *e = NULL;
199 AVDictionary *ret = NULL;
201 while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
202 char *p = strchr(e->key, ':');
206 av_dict_set(&ret, e->key, e->value, 0);
213 static int opt_abort_on(void *optctx, const char *opt, const char *arg)
215 static const AVOption opts[] = {
216 { "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
217 { "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
220 static const AVClass class = {
222 .item_name = av_default_item_name,
224 .version = LIBAVUTIL_VERSION_INT,
226 const AVClass *pclass = &class;
228 return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
231 static int opt_sameq(void *optctx, const char *opt, const char *arg)
233 av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
234 "If you are looking for an option to preserve the quality (which is not "
235 "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
237 return AVERROR(EINVAL);
240 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
242 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
243 return opt_default(optctx, "channel", arg);
246 static int opt_video_standard(void *optctx, const char *opt, const char *arg)
248 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
249 return opt_default(optctx, "standard", arg);
252 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
254 OptionsContext *o = optctx;
255 return parse_option(o, "codec:a", arg, options);
258 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
260 OptionsContext *o = optctx;
261 return parse_option(o, "codec:v", arg, options);
264 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
266 OptionsContext *o = optctx;
267 return parse_option(o, "codec:s", arg, options);
270 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
272 OptionsContext *o = optctx;
273 return parse_option(o, "codec:d", arg, options);
276 static int opt_map(void *optctx, const char *opt, const char *arg)
278 OptionsContext *o = optctx;
280 int i, negative = 0, file_idx;
281 int sync_file_idx = -1, sync_stream_idx = 0;
290 map = av_strdup(arg);
292 return AVERROR(ENOMEM);
294 /* parse sync stream first, just pick first matching stream */
295 if (sync = strchr(map, ',')) {
297 sync_file_idx = strtol(sync + 1, &sync, 0);
298 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
299 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
304 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
305 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
306 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
310 if (i == input_files[sync_file_idx]->nb_streams) {
311 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
312 "match any streams.\n", arg);
319 /* this mapping refers to lavfi output */
320 const char *c = map + 1;
321 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
322 m = &o->stream_maps[o->nb_stream_maps - 1];
323 m->linklabel = av_get_token(&c, "]");
325 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
329 if (allow_unused = strchr(map, '?'))
331 file_idx = strtol(map, &p, 0);
332 if (file_idx >= nb_input_files || file_idx < 0) {
333 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
337 /* disable some already defined maps */
338 for (i = 0; i < o->nb_stream_maps; i++) {
339 m = &o->stream_maps[i];
340 if (file_idx == m->file_index &&
341 check_stream_specifier(input_files[m->file_index]->ctx,
342 input_files[m->file_index]->ctx->streams[m->stream_index],
343 *p == ':' ? p + 1 : p) > 0)
347 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
348 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
349 *p == ':' ? p + 1 : p) <= 0)
351 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
352 m = &o->stream_maps[o->nb_stream_maps - 1];
354 m->file_index = file_idx;
357 if (sync_file_idx >= 0) {
358 m->sync_file_index = sync_file_idx;
359 m->sync_stream_index = sync_stream_idx;
361 m->sync_file_index = file_idx;
362 m->sync_stream_index = i;
369 av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
371 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
372 "To ignore this, add a trailing '?' to the map.\n", arg);
381 static int opt_attach(void *optctx, const char *opt, const char *arg)
383 OptionsContext *o = optctx;
384 GROW_ARRAY(o->attachments, o->nb_attachments);
385 o->attachments[o->nb_attachments - 1] = arg;
389 static int opt_map_channel(void *optctx, const char *opt, const char *arg)
391 OptionsContext *o = optctx;
396 GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
397 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
399 /* muted channel syntax */
400 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
401 if ((n == 1 || n == 3) && m->channel_idx == -1) {
402 m->file_idx = m->stream_idx = -1;
404 m->ofile_idx = m->ostream_idx = -1;
409 n = sscanf(arg, "%d.%d.%d:%d.%d",
410 &m->file_idx, &m->stream_idx, &m->channel_idx,
411 &m->ofile_idx, &m->ostream_idx);
413 if (n != 3 && n != 5) {
414 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
415 "[file.stream.channel|-1][:syncfile:syncstream]\n");
419 if (n != 5) // only file.stream.channel specified
420 m->ofile_idx = m->ostream_idx = -1;
423 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
424 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
428 if (m->stream_idx < 0 ||
429 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
430 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
431 m->file_idx, m->stream_idx);
434 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
435 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
436 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
437 m->file_idx, m->stream_idx);
440 if (m->channel_idx < 0 || m->channel_idx >= st->codecpar->channels) {
441 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
442 m->file_idx, m->stream_idx, m->channel_idx);
448 static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
450 av_free(sdp_filename);
451 sdp_filename = av_strdup(arg);
456 static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
459 err = vaapi_device_init(arg);
467 * Parse a metadata specifier passed as 'arg' parameter.
468 * @param arg metadata string to parse
469 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
470 * @param index for type c/p, chapter/program index is written here
471 * @param stream_spec for type s, the stream specifier is written here
473 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
481 if (*(++arg) && *arg != ':') {
482 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
485 *stream_spec = *arg == ':' ? arg + 1 : "";
490 *index = strtol(++arg, NULL, 0);
493 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
500 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
502 AVDictionary **meta_in = NULL;
503 AVDictionary **meta_out = NULL;
505 char type_in, type_out;
506 const char *istream_spec = NULL, *ostream_spec = NULL;
507 int idx_in = 0, idx_out = 0;
509 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
510 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
513 if (type_out == 'g' || !*outspec)
514 o->metadata_global_manual = 1;
515 if (type_out == 's' || !*outspec)
516 o->metadata_streams_manual = 1;
517 if (type_out == 'c' || !*outspec)
518 o->metadata_chapters_manual = 1;
522 if (type_in == 'g' || type_out == 'g')
523 o->metadata_global_manual = 1;
524 if (type_in == 's' || type_out == 's')
525 o->metadata_streams_manual = 1;
526 if (type_in == 'c' || type_out == 'c')
527 o->metadata_chapters_manual = 1;
529 /* ic is NULL when just disabling automatic mappings */
533 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
534 if ((index) < 0 || (index) >= (nb_elems)) {\
535 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
540 #define SET_DICT(type, meta, context, index)\
543 meta = &context->metadata;\
546 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
547 meta = &context->chapters[index]->metadata;\
550 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
551 meta = &context->programs[index]->metadata;\
554 break; /* handled separately below */ \
555 default: av_assert0(0);\
558 SET_DICT(type_in, meta_in, ic, idx_in);
559 SET_DICT(type_out, meta_out, oc, idx_out);
561 /* for input streams choose first matching stream */
562 if (type_in == 's') {
563 for (i = 0; i < ic->nb_streams; i++) {
564 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
565 meta_in = &ic->streams[i]->metadata;
571 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
576 if (type_out == 's') {
577 for (i = 0; i < oc->nb_streams; i++) {
578 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
579 meta_out = &oc->streams[i]->metadata;
580 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
585 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
590 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
592 OptionsContext *o = optctx;
594 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
595 struct tm time = *gmtime((time_t*)&recording_timestamp);
596 if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
598 parse_option(o, "metadata", buf, options);
600 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
601 "tag instead.\n", opt);
605 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
607 const AVCodecDescriptor *desc;
608 const char *codec_string = encoder ? "encoder" : "decoder";
612 avcodec_find_encoder_by_name(name) :
613 avcodec_find_decoder_by_name(name);
615 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
616 codec = encoder ? avcodec_find_encoder(desc->id) :
617 avcodec_find_decoder(desc->id);
619 av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
620 codec_string, codec->name, desc->name);
624 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
627 if (codec->type != type) {
628 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
634 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
636 char *codec_name = NULL;
638 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
640 AVCodec *codec = find_codec_or_die(codec_name, st->codecpar->codec_type, 0);
641 st->codecpar->codec_id = codec->id;
644 return avcodec_find_decoder(st->codecpar->codec_id);
647 /* Add all the streams from the given input file to the global
648 * list of input streams. */
649 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
653 for (i = 0; i < ic->nb_streams; i++) {
654 AVStream *st = ic->streams[i];
655 AVCodecParameters *par = st->codecpar;
656 InputStream *ist = av_mallocz(sizeof(*ist));
657 char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
658 char *hwaccel_output_format = NULL;
659 char *codec_tag = NULL;
661 char *discard_str = NULL;
662 const AVClass *cc = avcodec_get_class();
663 const AVOption *discard_opt = av_opt_find(&cc, "skip_frame", NULL, 0, 0);
668 GROW_ARRAY(input_streams, nb_input_streams);
669 input_streams[nb_input_streams - 1] = ist;
672 ist->file_index = nb_input_files;
674 st->discard = AVDISCARD_ALL;
676 ist->min_pts = INT64_MAX;
677 ist->max_pts = INT64_MIN;
680 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
683 MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
685 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
687 uint32_t tag = strtol(codec_tag, &next, 0);
689 tag = AV_RL32(codec_tag);
690 st->codecpar->codec_tag = tag;
693 ist->dec = choose_decoder(o, ic, st);
694 ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codecpar->codec_id, ic, st, ist->dec);
696 ist->reinit_filters = -1;
697 MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
699 MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
700 ist->user_set_discard = AVDISCARD_NONE;
701 if (discard_str && av_opt_eval_int(&cc, discard_opt, discard_str, &ist->user_set_discard) < 0) {
702 av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
707 ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
709 ist->dec_ctx = avcodec_alloc_context3(ist->dec);
711 av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
715 ret = avcodec_parameters_to_context(ist->dec_ctx, par);
717 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
721 switch (par->codec_type) {
722 case AVMEDIA_TYPE_VIDEO:
724 ist->dec = avcodec_find_decoder(par->codec_id);
726 if (av_codec_get_lowres(st->codec)) {
727 av_codec_set_lowres(ist->dec_ctx, av_codec_get_lowres(st->codec));
728 ist->dec_ctx->width = st->codec->width;
729 ist->dec_ctx->height = st->codec->height;
730 ist->dec_ctx->coded_width = st->codec->coded_width;
731 ist->dec_ctx->coded_height = st->codec->coded_height;
732 ist->dec_ctx->flags |= CODEC_FLAG_EMU_EDGE;
736 // avformat_find_stream_info() doesn't set this for us anymore.
737 ist->dec_ctx->framerate = st->avg_frame_rate;
739 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
740 if (framerate && av_parse_video_rate(&ist->framerate,
742 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
747 ist->top_field_first = -1;
748 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
750 MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
752 if (!strcmp(hwaccel, "none"))
753 ist->hwaccel_id = HWACCEL_NONE;
754 else if (!strcmp(hwaccel, "auto"))
755 ist->hwaccel_id = HWACCEL_AUTO;
758 for (i = 0; hwaccels[i].name; i++) {
759 if (!strcmp(hwaccels[i].name, hwaccel)) {
760 ist->hwaccel_id = hwaccels[i].id;
765 if (!ist->hwaccel_id) {
766 av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
768 av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
769 for (i = 0; hwaccels[i].name; i++)
770 av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name);
771 av_log(NULL, AV_LOG_FATAL, "\n");
777 MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
778 if (hwaccel_device) {
779 ist->hwaccel_device = av_strdup(hwaccel_device);
780 if (!ist->hwaccel_device)
784 MATCH_PER_STREAM_OPT(hwaccel_output_formats, str,
785 hwaccel_output_format, ic, st);
786 if (hwaccel_output_format) {
787 ist->hwaccel_output_format = av_get_pix_fmt(hwaccel_output_format);
788 if (ist->hwaccel_output_format == AV_PIX_FMT_NONE) {
789 av_log(NULL, AV_LOG_FATAL, "Unrecognised hwaccel output "
790 "format: %s", hwaccel_output_format);
793 ist->hwaccel_output_format = AV_PIX_FMT_NONE;
796 ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
799 case AVMEDIA_TYPE_AUDIO:
800 ist->guess_layout_max = INT_MAX;
801 MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
802 guess_input_channel_layout(ist);
804 case AVMEDIA_TYPE_DATA:
805 case AVMEDIA_TYPE_SUBTITLE: {
806 char *canvas_size = NULL;
808 ist->dec = avcodec_find_decoder(par->codec_id);
809 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
810 MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
812 av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
813 av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
818 case AVMEDIA_TYPE_ATTACHMENT:
819 case AVMEDIA_TYPE_UNKNOWN:
825 ret = avcodec_parameters_from_context(par, ist->dec_ctx);
827 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
833 static void assert_file_overwrite(const char *filename)
835 if (file_overwrite && no_file_overwrite) {
836 fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
840 if (!file_overwrite) {
841 const char *proto_name = avio_find_protocol_name(filename);
842 if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
843 if (stdin_interaction && !no_file_overwrite) {
844 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
847 signal(SIGINT, SIG_DFL);
849 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
855 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
862 static void dump_attachment(AVStream *st, const char *filename)
865 AVIOContext *out = NULL;
866 AVDictionaryEntry *e;
868 if (!st->codecpar->extradata_size) {
869 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
870 nb_input_files - 1, st->index);
873 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
876 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
877 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
881 assert_file_overwrite(filename);
883 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
884 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
889 avio_write(out, st->codecpar->extradata, st->codecpar->extradata_size);
894 static int open_input_file(OptionsContext *o, const char *filename)
898 AVInputFormat *file_iformat = NULL;
902 AVDictionary *unused_opts = NULL;
903 AVDictionaryEntry *e = NULL;
904 int orig_nb_streams; // number of streams before avformat_find_stream_info
905 char * video_codec_name = NULL;
906 char * audio_codec_name = NULL;
907 char *subtitle_codec_name = NULL;
908 char * data_codec_name = NULL;
909 int scan_all_pmts_set = 0;
912 if (!(file_iformat = av_find_input_format(o->format))) {
913 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
918 if (!strcmp(filename, "-"))
921 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
922 strcmp(filename, "/dev/stdin");
924 /* get default parameters from command line */
925 ic = avformat_alloc_context();
927 print_error(filename, AVERROR(ENOMEM));
930 ic->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
931 if (o->nb_audio_sample_rate) {
932 av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
934 if (o->nb_audio_channels) {
935 /* because we set audio_channels based on both the "ac" and
936 * "channel_layout" options, we need to check that the specified
937 * demuxer actually has the "channels" option before setting it */
938 if (file_iformat && file_iformat->priv_class &&
939 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
940 AV_OPT_SEARCH_FAKE_OBJ)) {
941 av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
944 if (o->nb_frame_rates) {
945 /* set the format-level framerate option;
946 * this is important for video grabbers, e.g. x11 */
947 if (file_iformat && file_iformat->priv_class &&
948 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
949 AV_OPT_SEARCH_FAKE_OBJ)) {
950 av_dict_set(&o->g->format_opts, "framerate",
951 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
954 if (o->nb_frame_sizes) {
955 av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
957 if (o->nb_frame_pix_fmts)
958 av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
960 MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
961 MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
962 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
963 MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
965 ic->video_codec_id = video_codec_name ?
966 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
967 ic->audio_codec_id = audio_codec_name ?
968 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
969 ic->subtitle_codec_id= subtitle_codec_name ?
970 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
971 ic->data_codec_id = data_codec_name ?
972 find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0)->id : AV_CODEC_ID_NONE;
974 if (video_codec_name)
975 av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0));
976 if (audio_codec_name)
977 av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0));
978 if (subtitle_codec_name)
979 av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0));
981 av_format_set_data_codec(ic, find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0));
983 ic->flags |= AVFMT_FLAG_NONBLOCK;
984 ic->interrupt_callback = int_cb;
986 if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
987 av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
988 scan_all_pmts_set = 1;
990 /* open the input file with generic avformat function */
991 err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
993 print_error(filename, err);
994 if (err == AVERROR_PROTOCOL_NOT_FOUND)
995 av_log(NULL, AV_LOG_ERROR, "Did you mean file:%s?\n", filename);
998 if (scan_all_pmts_set)
999 av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
1000 remove_avoptions(&o->g->format_opts, o->g->codec_opts);
1001 assert_avoptions(o->g->format_opts);
1003 /* apply forced codec ids */
1004 for (i = 0; i < ic->nb_streams; i++)
1005 choose_decoder(o, ic, ic->streams[i]);
1007 /* Set AVCodecContext options for avformat_find_stream_info */
1008 opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
1009 orig_nb_streams = ic->nb_streams;
1011 /* If not enough info to get the stream parameters, we decode the
1012 first frames to get it. (used in mpeg case for example) */
1013 ret = avformat_find_stream_info(ic, opts);
1015 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
1016 if (ic->nb_streams == 0) {
1017 avformat_close_input(&ic);
1022 if (o->start_time_eof != AV_NOPTS_VALUE) {
1023 if (ic->duration>0) {
1024 o->start_time = o->start_time_eof + ic->duration;
1026 av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
1028 timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
1029 /* add the stream start time */
1030 if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
1031 timestamp += ic->start_time;
1033 /* if seeking requested, we execute it */
1034 if (o->start_time != AV_NOPTS_VALUE) {
1035 int64_t seek_timestamp = timestamp;
1037 if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
1038 int dts_heuristic = 0;
1039 for (i=0; i<ic->nb_streams; i++) {
1040 const AVCodecParameters *par = ic->streams[i]->codecpar;
1041 if (par->video_delay)
1044 if (dts_heuristic) {
1045 seek_timestamp -= 3*AV_TIME_BASE / 23;
1048 ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
1050 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
1051 filename, (double)timestamp / AV_TIME_BASE);
1055 /* update the current parameters so that they match the one of the input stream */
1056 add_input_streams(o, ic);
1058 /* dump the file content */
1059 av_dump_format(ic, nb_input_files, filename, 0);
1061 GROW_ARRAY(input_files, nb_input_files);
1062 f = av_mallocz(sizeof(*f));
1065 input_files[nb_input_files - 1] = f;
1068 f->ist_index = nb_input_streams - ic->nb_streams;
1069 f->start_time = o->start_time;
1070 f->recording_time = o->recording_time;
1071 f->input_ts_offset = o->input_ts_offset;
1072 f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
1073 f->nb_streams = ic->nb_streams;
1074 f->rate_emu = o->rate_emu;
1075 f->accurate_seek = o->accurate_seek;
1078 f->time_base = (AVRational){ 1, 1 };
1080 f->thread_queue_size = o->thread_queue_size > 0 ? o->thread_queue_size : 8;
1083 /* check if all codec options have been used */
1084 unused_opts = strip_specifiers(o->g->codec_opts);
1085 for (i = f->ist_index; i < nb_input_streams; i++) {
1087 while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
1088 AV_DICT_IGNORE_SUFFIX)))
1089 av_dict_set(&unused_opts, e->key, NULL, 0);
1093 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
1094 const AVClass *class = avcodec_get_class();
1095 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
1096 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1097 const AVClass *fclass = avformat_get_class();
1098 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
1099 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1100 if (!option || foption)
1104 if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
1105 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
1106 "input file #%d (%s) is not a decoding option.\n", e->key,
1107 option->help ? option->help : "", nb_input_files - 1,
1112 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
1113 "input file #%d (%s) has not been used for any stream. The most "
1114 "likely reason is either wrong type (e.g. a video option with "
1115 "no video streams) or that it is a private option of some decoder "
1116 "which was not actually used for any stream.\n", e->key,
1117 option->help ? option->help : "", nb_input_files - 1, filename);
1119 av_dict_free(&unused_opts);
1121 for (i = 0; i < o->nb_dump_attachment; i++) {
1124 for (j = 0; j < ic->nb_streams; j++) {
1125 AVStream *st = ic->streams[j];
1127 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
1128 dump_attachment(st, o->dump_attachment[i].u.str);
1132 for (i = 0; i < orig_nb_streams; i++)
1133 av_dict_free(&opts[i]);
1136 input_stream_potentially_available = 1;
1141 static uint8_t *get_line(AVIOContext *s)
1147 if (avio_open_dyn_buf(&line) < 0) {
1148 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
1152 while ((c = avio_r8(s)) && c != '\n')
1155 avio_close_dyn_buf(line, &buf);
1160 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
1163 char filename[1000];
1164 const char *base[3] = { getenv("AVCONV_DATADIR"),
1169 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
1173 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
1174 i != 1 ? "" : "/.avconv", codec_name, preset_name);
1175 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1178 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
1179 i != 1 ? "" : "/.avconv", preset_name);
1180 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1186 static int choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
1188 enum AVMediaType type = ost->st->codecpar->codec_type;
1189 char *codec_name = NULL;
1191 if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO || type == AVMEDIA_TYPE_SUBTITLE) {
1192 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
1194 ost->st->codecpar->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
1195 NULL, ost->st->codecpar->codec_type);
1196 ost->enc = avcodec_find_encoder(ost->st->codecpar->codec_id);
1198 av_log(NULL, AV_LOG_FATAL, "Automatic encoder selection failed for "
1199 "output stream #%d:%d. Default encoder for format %s (codec %s) is "
1200 "probably disabled. Please choose an encoder manually.\n",
1201 ost->file_index, ost->index, s->oformat->name,
1202 avcodec_get_name(ost->st->codecpar->codec_id));
1203 return AVERROR_ENCODER_NOT_FOUND;
1205 } else if (!strcmp(codec_name, "copy"))
1206 ost->stream_copy = 1;
1208 ost->enc = find_codec_or_die(codec_name, ost->st->codecpar->codec_type, 1);
1209 ost->st->codecpar->codec_id = ost->enc->id;
1211 ost->encoding_needed = !ost->stream_copy;
1213 /* no encoding supported for other media types */
1214 ost->stream_copy = 1;
1215 ost->encoding_needed = 0;
1221 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
1224 AVStream *st = avformat_new_stream(oc, NULL);
1225 int idx = oc->nb_streams - 1, ret = 0;
1226 const char *bsfs = NULL, *time_base = NULL;
1227 char *next, *codec_tag = NULL;
1232 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
1236 if (oc->nb_streams - 1 < o->nb_streamid_map)
1237 st->id = o->streamid_map[oc->nb_streams - 1];
1239 GROW_ARRAY(output_streams, nb_output_streams);
1240 if (!(ost = av_mallocz(sizeof(*ost))))
1242 output_streams[nb_output_streams - 1] = ost;
1244 ost->file_index = nb_output_files - 1;
1247 st->codecpar->codec_type = type;
1249 ret = choose_encoder(o, oc, ost);
1251 av_log(NULL, AV_LOG_FATAL, "Error selecting an encoder for stream "
1252 "%d:%d\n", ost->file_index, ost->index);
1256 ost->enc_ctx = avcodec_alloc_context3(ost->enc);
1257 if (!ost->enc_ctx) {
1258 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
1261 ost->enc_ctx->codec_type = type;
1263 ost->ref_par = avcodec_parameters_alloc();
1264 if (!ost->ref_par) {
1265 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding parameters.\n");
1270 AVIOContext *s = NULL;
1271 char *buf = NULL, *arg = NULL, *preset = NULL;
1273 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
1275 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
1276 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
1279 if (!buf[0] || buf[0] == '#') {
1283 if (!(arg = strchr(buf, '='))) {
1284 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
1288 av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
1290 } while (!s->eof_reached);
1294 av_log(NULL, AV_LOG_FATAL,
1295 "Preset %s specified for stream %d:%d, but could not be opened.\n",
1296 preset, ost->file_index, ost->index);
1300 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
1303 MATCH_PER_STREAM_OPT(time_bases, str, time_base, oc, st);
1306 if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
1307 q.num <= 0 || q.den <= 0) {
1308 av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
1314 MATCH_PER_STREAM_OPT(enc_time_bases, str, time_base, oc, st);
1317 if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
1319 av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
1322 ost->enc_timebase = q;
1325 ost->max_frames = INT64_MAX;
1326 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
1327 for (i = 0; i<o->nb_max_frames; i++) {
1328 char *p = o->max_frames[i].specifier;
1329 if (!*p && type != AVMEDIA_TYPE_VIDEO) {
1330 av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
1335 ost->copy_prior_start = -1;
1336 MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
1338 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsfs, oc, st);
1339 while (bsfs && *bsfs) {
1340 const AVBitStreamFilter *filter;
1341 char *bsf, *bsf_options_str, *bsf_name;
1343 bsf = av_get_token(&bsfs, ",");
1346 bsf_name = av_strtok(bsf, "=", &bsf_options_str);
1350 filter = av_bsf_get_by_name(bsf_name);
1352 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf_name);
1356 ost->bsf_ctx = av_realloc_array(ost->bsf_ctx,
1357 ost->nb_bitstream_filters + 1,
1358 sizeof(*ost->bsf_ctx));
1362 ret = av_bsf_alloc(filter, &ost->bsf_ctx[ost->nb_bitstream_filters]);
1364 av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
1368 ost->nb_bitstream_filters++;
1370 if (bsf_options_str && filter->priv_class) {
1371 const AVOption *opt = av_opt_next(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, NULL);
1372 const char * shorthand[2] = {NULL};
1375 shorthand[0] = opt->name;
1377 ret = av_opt_set_from_string(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, bsf_options_str, shorthand, "=", ":");
1379 av_log(NULL, AV_LOG_ERROR, "Error parsing options for bitstream filter %s\n", bsf_name);
1389 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
1391 uint32_t tag = strtol(codec_tag, &next, 0);
1393 tag = AV_RL32(codec_tag);
1394 ost->st->codecpar->codec_tag =
1395 ost->enc_ctx->codec_tag = tag;
1398 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
1400 ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
1401 ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
1404 MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
1405 ost->disposition = av_strdup(ost->disposition);
1407 ost->max_muxing_queue_size = 128;
1408 MATCH_PER_STREAM_OPT(max_muxing_queue_size, i, ost->max_muxing_queue_size, oc, st);
1409 ost->max_muxing_queue_size *= sizeof(AVPacket);
1411 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
1412 ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
1414 av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
1416 av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
1417 if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
1418 av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
1420 av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
1422 ost->source_index = source_index;
1423 if (source_index >= 0) {
1424 ost->sync_ist = input_streams[source_index];
1425 input_streams[source_index]->discard = 0;
1426 input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
1428 ost->last_mux_dts = AV_NOPTS_VALUE;
1430 ost->muxing_queue = av_fifo_alloc(8 * sizeof(AVPacket));
1431 if (!ost->muxing_queue)
1437 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1440 const char *p = str;
1447 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1454 /* read file contents into a string */
1455 static uint8_t *read_file(const char *filename)
1457 AVIOContext *pb = NULL;
1458 AVIOContext *dyn_buf = NULL;
1459 int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
1460 uint8_t buf[1024], *str;
1463 av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
1467 ret = avio_open_dyn_buf(&dyn_buf);
1472 while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
1473 avio_write(dyn_buf, buf, ret);
1474 avio_w8(dyn_buf, 0);
1477 ret = avio_close_dyn_buf(dyn_buf, &str);
1483 static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
1486 AVStream *st = ost->st;
1488 if (ost->filters_script && ost->filters) {
1489 av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
1490 "output stream #%d:%d.\n", nb_output_files, st->index);
1494 if (ost->filters_script)
1495 return read_file(ost->filters_script);
1496 else if (ost->filters)
1497 return av_strdup(ost->filters);
1499 return av_strdup(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ?
1503 static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
1504 const OutputStream *ost, enum AVMediaType type)
1506 if (ost->filters_script || ost->filters) {
1507 av_log(NULL, AV_LOG_ERROR,
1508 "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
1509 "Filtering and streamcopy cannot be used together.\n",
1510 ost->filters ? "Filtergraph" : "Filtergraph script",
1511 ost->filters ? ost->filters : ost->filters_script,
1512 av_get_media_type_string(type), ost->file_index, ost->index);
1517 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1521 AVCodecContext *video_enc;
1522 char *frame_rate = NULL, *frame_aspect_ratio = NULL;
1524 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1526 video_enc = ost->enc_ctx;
1528 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1529 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1530 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1533 if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
1534 av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
1536 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1537 if (frame_aspect_ratio) {
1539 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1540 q.num <= 0 || q.den <= 0) {
1541 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1544 ost->frame_aspect_ratio = q;
1547 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1548 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1550 if (!ost->stream_copy) {
1551 const char *p = NULL;
1552 char *frame_size = NULL;
1553 char *frame_pix_fmt = NULL;
1554 char *intra_matrix = NULL, *inter_matrix = NULL;
1555 char *chroma_intra_matrix = NULL;
1559 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1560 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1561 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1565 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1566 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1567 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1568 ost->keep_pix_fmt = 1;
1569 if (!*++frame_pix_fmt)
1570 frame_pix_fmt = NULL;
1572 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1573 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1576 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1579 video_enc->gop_size = 0;
1580 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1582 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1583 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1586 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1588 MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
1589 if (chroma_intra_matrix) {
1590 uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
1592 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1595 av_codec_set_chroma_intra_matrix(video_enc, p);
1596 parse_matrix_coeffs(p, chroma_intra_matrix);
1598 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1600 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1601 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1604 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1607 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1608 for (i = 0; p; i++) {
1610 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1612 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1615 video_enc->rc_override =
1616 av_realloc_array(video_enc->rc_override,
1617 i + 1, sizeof(RcOverride));
1618 if (!video_enc->rc_override) {
1619 av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
1622 video_enc->rc_override[i].start_frame = start;
1623 video_enc->rc_override[i].end_frame = end;
1625 video_enc->rc_override[i].qscale = q;
1626 video_enc->rc_override[i].quality_factor = 1.0;
1629 video_enc->rc_override[i].qscale = 0;
1630 video_enc->rc_override[i].quality_factor = -q/100.0;
1635 video_enc->rc_override_count = i;
1638 video_enc->flags|= AV_CODEC_FLAG_PSNR;
1641 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1644 video_enc->flags |= AV_CODEC_FLAG_PASS1;
1645 av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
1648 video_enc->flags |= AV_CODEC_FLAG_PASS2;
1649 av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
1653 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1654 if (ost->logfile_prefix &&
1655 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1659 char logfilename[1024];
1662 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1663 ost->logfile_prefix ? ost->logfile_prefix :
1664 DEFAULT_PASS_LOGFILENAME_PREFIX,
1666 if (!strcmp(ost->enc->name, "libx264")) {
1667 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1669 if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
1670 char *logbuffer = read_file(logfilename);
1673 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1677 video_enc->stats_in = logbuffer;
1679 if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
1680 f = av_fopen_utf8(logfilename, "wb");
1682 av_log(NULL, AV_LOG_FATAL,
1683 "Cannot write log file '%s' for pass-1 encoding: %s\n",
1684 logfilename, strerror(errno));
1692 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1693 if (ost->forced_keyframes)
1694 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1696 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1698 ost->top_field_first = -1;
1699 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1702 ost->avfilter = get_ost_filters(o, oc, ost);
1706 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1709 if (ost->stream_copy)
1710 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
1715 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1720 AVCodecContext *audio_enc;
1722 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1725 audio_enc = ost->enc_ctx;
1726 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1728 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1729 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1731 if (!ost->stream_copy) {
1732 char *sample_fmt = NULL;
1734 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1736 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1738 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1739 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1743 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1745 MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
1746 ost->apad = av_strdup(ost->apad);
1748 ost->avfilter = get_ost_filters(o, oc, ost);
1752 /* check for channel mapping for this audio stream */
1753 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1754 AudioChannelMap *map = &o->audio_channel_maps[n];
1755 if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1756 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1759 if (map->channel_idx == -1) {
1761 } else if (ost->source_index < 0) {
1762 av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
1763 ost->file_index, ost->st->index);
1766 ist = input_streams[ost->source_index];
1769 if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
1770 if (av_reallocp_array(&ost->audio_channels_map,
1771 ost->audio_channels_mapped + 1,
1772 sizeof(*ost->audio_channels_map)
1776 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1782 if (ost->stream_copy)
1783 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
1788 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1792 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1793 if (!ost->stream_copy) {
1794 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1801 static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1805 ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
1806 if (!ost->stream_copy) {
1807 av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
1814 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1816 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1817 ost->stream_copy = 1;
1822 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1826 AVCodecContext *subtitle_enc;
1828 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1830 subtitle_enc = ost->enc_ctx;
1832 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1834 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1836 if (!ost->stream_copy) {
1837 char *frame_size = NULL;
1839 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1840 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1841 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1849 /* arg format is "output-stream-index:streamid-value". */
1850 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1852 OptionsContext *o = optctx;
1857 av_strlcpy(idx_str, arg, sizeof(idx_str));
1858 p = strchr(idx_str, ':');
1860 av_log(NULL, AV_LOG_FATAL,
1861 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1866 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1867 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1868 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1872 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1874 AVFormatContext *is = ifile->ctx;
1875 AVFormatContext *os = ofile->ctx;
1879 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1881 return AVERROR(ENOMEM);
1884 for (i = 0; i < is->nb_chapters; i++) {
1885 AVChapter *in_ch = is->chapters[i], *out_ch;
1886 int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
1887 int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
1888 AV_TIME_BASE_Q, in_ch->time_base);
1889 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1890 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1893 if (in_ch->end < ts_off)
1895 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1898 out_ch = av_mallocz(sizeof(AVChapter));
1900 return AVERROR(ENOMEM);
1902 out_ch->id = in_ch->id;
1903 out_ch->time_base = in_ch->time_base;
1904 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1905 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1908 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1910 os->chapters[os->nb_chapters++] = out_ch;
1915 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1918 AVFormatContext *ic = avformat_alloc_context();
1920 ic->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
1921 ic->interrupt_callback = int_cb;
1922 err = avformat_open_input(&ic, filename, NULL, NULL);
1925 /* copy stream format */
1926 for(i=0;i<ic->nb_streams;i++) {
1930 const char *enc_config;
1932 codec = avcodec_find_encoder(ic->streams[i]->codecpar->codec_id);
1934 av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codecpar->codec_id);
1935 return AVERROR(EINVAL);
1937 if (codec->type == AVMEDIA_TYPE_AUDIO)
1938 opt_audio_codec(o, "c:a", codec->name);
1939 else if (codec->type == AVMEDIA_TYPE_VIDEO)
1940 opt_video_codec(o, "c:v", codec->name);
1941 ost = new_output_stream(o, s, codec->type, -1);
1944 avcodec_get_context_defaults3(st->codec, codec);
1945 enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
1947 AVDictionary *opts = NULL;
1948 av_dict_parse_string(&opts, enc_config, "=", ",", 0);
1949 av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
1950 av_dict_free(&opts);
1953 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1954 choose_sample_fmt(st, codec);
1955 else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1956 choose_pixel_fmt(st, st->codec, codec, st->codecpar->format);
1957 avcodec_copy_context(ost->enc_ctx, st->codec);
1959 av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
1962 avformat_close_input(&ic);
1966 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1967 AVFormatContext *oc)
1971 switch (ofilter->type) {
1972 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1973 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1975 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1980 ost->source_index = -1;
1981 ost->filter = ofilter;
1984 ofilter->format = -1;
1986 if (ost->stream_copy) {
1987 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1988 "which is fed from a complex filtergraph. Filtering and streamcopy "
1989 "cannot be used together.\n", ost->file_index, ost->index);
1993 if (ost->avfilter && (ost->filters || ost->filters_script)) {
1994 const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
1995 av_log(NULL, AV_LOG_ERROR,
1996 "%s '%s' was specified through the %s option "
1997 "for output stream %d:%d, which is fed from a complex filtergraph.\n"
1998 "%s and -filter_complex cannot be used together for the same stream.\n",
1999 ost->filters ? "Filtergraph" : "Filtergraph script",
2000 ost->filters ? ost->filters : ost->filters_script,
2001 opt, ost->file_index, ost->index, opt);
2005 avfilter_inout_free(&ofilter->out_tmp);
2008 static int init_complex_filters(void)
2012 for (i = 0; i < nb_filtergraphs; i++) {
2013 ret = init_complex_filtergraph(filtergraphs[i]);
2020 static int open_output_file(OptionsContext *o, const char *filename)
2022 AVFormatContext *oc;
2024 AVOutputFormat *file_oformat;
2028 AVDictionary *unused_opts = NULL;
2029 AVDictionaryEntry *e = NULL;
2030 int format_flags = 0;
2032 if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
2033 o->stop_time = INT64_MAX;
2034 av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
2037 if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
2038 int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
2039 if (o->stop_time <= start_time) {
2040 av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
2043 o->recording_time = o->stop_time - start_time;
2047 GROW_ARRAY(output_files, nb_output_files);
2048 of = av_mallocz(sizeof(*of));
2051 output_files[nb_output_files - 1] = of;
2053 of->ost_index = nb_output_streams;
2054 of->recording_time = o->recording_time;
2055 of->start_time = o->start_time;
2056 of->limit_filesize = o->limit_filesize;
2057 of->shortest = o->shortest;
2058 av_dict_copy(&of->opts, o->g->format_opts, 0);
2060 if (!strcmp(filename, "-"))
2063 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
2065 print_error(filename, err);
2070 if (o->recording_time != INT64_MAX)
2071 oc->duration = o->recording_time;
2073 file_oformat= oc->oformat;
2074 oc->interrupt_callback = int_cb;
2076 e = av_dict_get(o->g->format_opts, "fflags", NULL, 0);
2078 const AVOption *o = av_opt_find(oc, "fflags", NULL, 0, 0);
2079 av_opt_eval_flags(oc, o, e->value, &format_flags);
2082 /* create streams for all unlabeled output pads */
2083 for (i = 0; i < nb_filtergraphs; i++) {
2084 FilterGraph *fg = filtergraphs[i];
2085 for (j = 0; j < fg->nb_outputs; j++) {
2086 OutputFilter *ofilter = fg->outputs[j];
2088 if (!ofilter->out_tmp || ofilter->out_tmp->name)
2091 switch (ofilter->type) {
2092 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
2093 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
2094 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
2096 init_output_filter(ofilter, o, oc);
2100 /* ffserver seeking with date=... needs a date reference */
2101 if (!strcmp(file_oformat->name, "ffm") &&
2102 !(format_flags & AVFMT_FLAG_BITEXACT) &&
2103 av_strstart(filename, "http:", NULL)) {
2104 int err = parse_option(o, "metadata", "creation_time=now", options);
2106 print_error(filename, err);
2111 if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
2112 av_strstart(filename, "http:", NULL)) {
2114 /* special case for files sent to ffserver: we get the stream
2115 parameters from ffserver */
2116 int err = read_ffserver_streams(o, oc, filename);
2118 print_error(filename, err);
2121 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
2122 ost = output_streams[j];
2123 for (i = 0; i < nb_input_streams; i++) {
2124 ist = input_streams[i];
2125 if(ist->st->codecpar->codec_type == ost->st->codecpar->codec_type){
2127 ost->source_index= i;
2128 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
2129 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
2131 ist->st->discard = ist->user_set_discard;
2136 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));
2140 } else if (!o->nb_stream_maps) {
2141 char *subtitle_codec_name = NULL;
2142 /* pick the "best" stream of each type */
2144 /* video: highest resolution */
2145 if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
2146 int area = 0, idx = -1;
2147 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
2148 for (i = 0; i < nb_input_streams; i++) {
2150 ist = input_streams[i];
2151 new_area = ist->st->codecpar->width * ist->st->codecpar->height + 100000000*!!ist->st->codec_info_nb_frames;
2152 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2154 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2156 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2163 new_video_stream(o, oc, idx);
2166 /* audio: most channels */
2167 if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
2168 int best_score = 0, idx = -1;
2169 for (i = 0; i < nb_input_streams; i++) {
2171 ist = input_streams[i];
2172 score = ist->st->codecpar->channels + 100000000*!!ist->st->codec_info_nb_frames;
2173 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
2174 score > best_score) {
2180 new_audio_stream(o, oc, idx);
2183 /* subtitles: pick first */
2184 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
2185 if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
2186 for (i = 0; i < nb_input_streams; i++)
2187 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2188 AVCodecDescriptor const *input_descriptor =
2189 avcodec_descriptor_get(input_streams[i]->st->codecpar->codec_id);
2190 AVCodecDescriptor const *output_descriptor = NULL;
2191 AVCodec const *output_codec =
2192 avcodec_find_encoder(oc->oformat->subtitle_codec);
2193 int input_props = 0, output_props = 0;
2195 output_descriptor = avcodec_descriptor_get(output_codec->id);
2196 if (input_descriptor)
2197 input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2198 if (output_descriptor)
2199 output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2200 if (subtitle_codec_name ||
2201 input_props & output_props ||
2202 // Map dvb teletext which has neither property to any output subtitle encoder
2203 input_descriptor && output_descriptor &&
2204 (!input_descriptor->props ||
2205 !output_descriptor->props)) {
2206 new_subtitle_stream(o, oc, i);
2211 /* Data only if codec id match */
2212 if (!o->data_disable ) {
2213 enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
2214 for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
2215 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_DATA
2216 && input_streams[i]->st->codecpar->codec_id == codec_id )
2217 new_data_stream(o, oc, i);
2221 for (i = 0; i < o->nb_stream_maps; i++) {
2222 StreamMap *map = &o->stream_maps[i];
2227 if (map->linklabel) {
2229 OutputFilter *ofilter = NULL;
2232 for (j = 0; j < nb_filtergraphs; j++) {
2233 fg = filtergraphs[j];
2234 for (k = 0; k < fg->nb_outputs; k++) {
2235 AVFilterInOut *out = fg->outputs[k]->out_tmp;
2236 if (out && !strcmp(out->name, map->linklabel)) {
2237 ofilter = fg->outputs[k];
2244 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
2245 "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
2248 init_output_filter(ofilter, o, oc);
2250 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
2252 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
2253 if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
2255 if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2257 if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2259 if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2263 switch (ist->st->codecpar->codec_type) {
2264 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
2265 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
2266 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
2267 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
2268 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
2269 case AVMEDIA_TYPE_UNKNOWN:
2270 if (copy_unknown_streams) {
2271 ost = new_unknown_stream (o, oc, src_idx);
2275 av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
2276 "Cannot map stream #%d:%d - unsupported type.\n",
2277 map->file_index, map->stream_index);
2278 if (!ignore_unknown_streams) {
2279 av_log(NULL, AV_LOG_FATAL,
2280 "If you want unsupported types ignored instead "
2281 "of failing, please use the -ignore_unknown option\n"
2282 "If you want them copied, please use -copy_unknown\n");
2287 ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
2288 + map->sync_stream_index];
2293 /* handle attached files */
2294 for (i = 0; i < o->nb_attachments; i++) {
2296 uint8_t *attachment;
2300 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
2301 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
2305 if ((len = avio_size(pb)) <= 0) {
2306 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
2310 if (!(attachment = av_malloc(len))) {
2311 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
2315 avio_read(pb, attachment, len);
2317 ost = new_attachment_stream(o, oc, -1);
2318 ost->stream_copy = 0;
2319 ost->attachment_filename = o->attachments[i];
2320 ost->st->codecpar->extradata = attachment;
2321 ost->st->codecpar->extradata_size = len;
2323 p = strrchr(o->attachments[i], '/');
2324 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
2328 #if FF_API_LAVF_AVCTX
2329 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
2330 AVDictionaryEntry *e;
2331 ost = output_streams[i];
2333 if ((ost->stream_copy || ost->attachment_filename)
2334 && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
2335 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
2336 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
2341 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2342 av_dump_format(oc, nb_output_files - 1, oc->filename, 1);
2343 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
2347 /* check if all codec options have been used */
2348 unused_opts = strip_specifiers(o->g->codec_opts);
2349 for (i = of->ost_index; i < nb_output_streams; i++) {
2351 while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
2352 AV_DICT_IGNORE_SUFFIX)))
2353 av_dict_set(&unused_opts, e->key, NULL, 0);
2357 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
2358 const AVClass *class = avcodec_get_class();
2359 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
2360 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2361 const AVClass *fclass = avformat_get_class();
2362 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
2363 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2364 if (!option || foption)
2368 if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
2369 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
2370 "output file #%d (%s) is not an encoding option.\n", e->key,
2371 option->help ? option->help : "", nb_output_files - 1,
2376 // gop_timecode is injected by generic code but not always used
2377 if (!strcmp(e->key, "gop_timecode"))
2380 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
2381 "output file #%d (%s) has not been used for any stream. The most "
2382 "likely reason is either wrong type (e.g. a video option with "
2383 "no video streams) or that it is a private option of some encoder "
2384 "which was not actually used for any stream.\n", e->key,
2385 option->help ? option->help : "", nb_output_files - 1, filename);
2387 av_dict_free(&unused_opts);
2389 /* set the decoding_needed flags and create simple filtergraphs */
2390 for (i = of->ost_index; i < nb_output_streams; i++) {
2391 OutputStream *ost = output_streams[i];
2393 if (ost->encoding_needed && ost->source_index >= 0) {
2394 InputStream *ist = input_streams[ost->source_index];
2395 ist->decoding_needed |= DECODING_FOR_OST;
2397 if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
2398 ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2399 err = init_simple_filtergraph(ist, ost);
2401 av_log(NULL, AV_LOG_ERROR,
2402 "Error initializing a simple filtergraph between streams "
2403 "%d:%d->%d:%d\n", ist->file_index, ost->source_index,
2404 nb_output_files - 1, ost->st->index);
2410 /* set the filter output constraints */
2412 OutputFilter *f = ost->filter;
2414 switch (ost->enc_ctx->codec_type) {
2415 case AVMEDIA_TYPE_VIDEO:
2416 f->frame_rate = ost->frame_rate;
2417 f->width = ost->enc_ctx->width;
2418 f->height = ost->enc_ctx->height;
2419 if (ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE) {
2420 f->format = ost->enc_ctx->pix_fmt;
2421 } else if (ost->enc->pix_fmts) {
2423 while (ost->enc->pix_fmts[count] != AV_PIX_FMT_NONE)
2425 f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
2428 memcpy(f->formats, ost->enc->pix_fmts, (count + 1) * sizeof(*f->formats));
2431 case AVMEDIA_TYPE_AUDIO:
2432 if (ost->enc_ctx->sample_fmt != AV_SAMPLE_FMT_NONE) {
2433 f->format = ost->enc_ctx->sample_fmt;
2434 } else if (ost->enc->sample_fmts) {
2436 while (ost->enc->sample_fmts[count] != AV_SAMPLE_FMT_NONE)
2438 f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
2441 memcpy(f->formats, ost->enc->sample_fmts, (count + 1) * sizeof(*f->formats));
2443 if (ost->enc_ctx->sample_rate) {
2444 f->sample_rate = ost->enc_ctx->sample_rate;
2445 } else if (ost->enc->supported_samplerates) {
2447 while (ost->enc->supported_samplerates[count])
2449 f->sample_rates = av_mallocz_array(count + 1, sizeof(*f->sample_rates));
2450 if (!f->sample_rates)
2452 memcpy(f->sample_rates, ost->enc->supported_samplerates,
2453 (count + 1) * sizeof(*f->sample_rates));
2455 if (ost->enc_ctx->channels) {
2456 f->channel_layout = av_get_default_channel_layout(ost->enc_ctx->channels);
2457 } else if (ost->enc->channel_layouts) {
2459 while (ost->enc->channel_layouts[count])
2461 f->channel_layouts = av_mallocz_array(count + 1, sizeof(*f->channel_layouts));
2462 if (!f->channel_layouts)
2464 memcpy(f->channel_layouts, ost->enc->channel_layouts,
2465 (count + 1) * sizeof(*f->channel_layouts));
2472 /* check filename in case of an image number is expected */
2473 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2474 if (!av_filename_number_test(oc->filename)) {
2475 print_error(oc->filename, AVERROR(EINVAL));
2480 if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
2481 av_log(NULL, AV_LOG_ERROR,
2482 "No input streams but output needs an input stream\n");
2486 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2487 /* test if it already exists to avoid losing precious files */
2488 assert_file_overwrite(filename);
2491 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
2492 &oc->interrupt_callback,
2494 print_error(filename, err);
2497 } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
2498 assert_file_overwrite(filename);
2500 if (o->mux_preload) {
2501 av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
2503 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
2506 for (i = 0; i < o->nb_metadata_map; i++) {
2508 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
2510 if (in_file_index >= nb_input_files) {
2511 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
2514 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
2515 in_file_index >= 0 ?
2516 input_files[in_file_index]->ctx : NULL, o);
2520 if (o->chapters_input_file >= nb_input_files) {
2521 if (o->chapters_input_file == INT_MAX) {
2522 /* copy chapters from the first input file that has them*/
2523 o->chapters_input_file = -1;
2524 for (i = 0; i < nb_input_files; i++)
2525 if (input_files[i]->ctx->nb_chapters) {
2526 o->chapters_input_file = i;
2530 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
2531 o->chapters_input_file);
2535 if (o->chapters_input_file >= 0)
2536 copy_chapters(input_files[o->chapters_input_file], of,
2537 !o->metadata_chapters_manual);
2539 /* copy global metadata by default */
2540 if (!o->metadata_global_manual && nb_input_files){
2541 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
2542 AV_DICT_DONT_OVERWRITE);
2543 if(o->recording_time != INT64_MAX)
2544 av_dict_set(&oc->metadata, "duration", NULL, 0);
2545 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
2547 if (!o->metadata_streams_manual)
2548 for (i = of->ost_index; i < nb_output_streams; i++) {
2550 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
2552 ist = input_streams[output_streams[i]->source_index];
2553 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
2554 if (!output_streams[i]->stream_copy) {
2555 av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
2559 /* process manually set programs */
2560 for (i = 0; i < o->nb_program; i++) {
2561 const char *p = o->program[i].u.str;
2566 const char *p2 = av_get_token(&p, ":");
2567 const char *to_dealloc = p2;
2574 key = av_get_token(&p2, "=");
2576 av_freep(&to_dealloc);
2582 if (!strcmp(key, "program_num"))
2583 progid = strtol(p2, NULL, 0);
2584 av_freep(&to_dealloc);
2588 program = av_new_program(oc, progid);
2590 p = o->program[i].u.str;
2592 const char *p2 = av_get_token(&p, ":");
2593 const char *to_dealloc = p2;
2599 key = av_get_token(&p2, "=");
2601 av_log(NULL, AV_LOG_FATAL,
2602 "No '=' character in program string %s.\n",
2610 if (!strcmp(key, "title")) {
2611 av_dict_set(&program->metadata, "title", p2, 0);
2612 } else if (!strcmp(key, "program_num")) {
2613 } else if (!strcmp(key, "st")) {
2614 int st_num = strtol(p2, NULL, 0);
2615 av_program_add_stream_index(oc, progid, st_num);
2617 av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
2620 av_freep(&to_dealloc);
2625 /* process manually set metadata */
2626 for (i = 0; i < o->nb_metadata; i++) {
2629 const char *stream_spec;
2630 int index = 0, j, ret = 0;
2632 val = strchr(o->metadata[i].u.str, '=');
2634 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
2635 o->metadata[i].u.str);
2640 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
2642 for (j = 0; j < oc->nb_streams; j++) {
2643 ost = output_streams[nb_output_streams - oc->nb_streams + j];
2644 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
2645 if (!strcmp(o->metadata[i].u.str, "rotate")) {
2647 double theta = av_strtod(val, &tail);
2649 ost->rotate_overridden = 1;
2650 ost->rotate_override_value = theta;
2653 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
2665 if (index < 0 || index >= oc->nb_chapters) {
2666 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
2669 m = &oc->chapters[index]->metadata;
2672 if (index < 0 || index >= oc->nb_programs) {
2673 av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
2676 m = &oc->programs[index]->metadata;
2679 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
2682 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
2689 static int opt_target(void *optctx, const char *opt, const char *arg)
2691 OptionsContext *o = optctx;
2692 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
2693 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
2695 if (!strncmp(arg, "pal-", 4)) {
2698 } else if (!strncmp(arg, "ntsc-", 5)) {
2701 } else if (!strncmp(arg, "film-", 5)) {
2705 /* Try to determine PAL/NTSC by peeking in the input files */
2706 if (nb_input_files) {
2708 for (j = 0; j < nb_input_files; j++) {
2709 for (i = 0; i < input_files[j]->nb_streams; i++) {
2710 AVStream *st = input_files[j]->ctx->streams[i];
2711 if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
2713 fr = st->time_base.den * 1000 / st->time_base.num;
2717 } else if ((fr == 29970) || (fr == 23976)) {
2722 if (norm != UNKNOWN)
2726 if (norm != UNKNOWN)
2727 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
2730 if (norm == UNKNOWN) {
2731 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
2732 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
2733 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
2737 if (!strcmp(arg, "vcd")) {
2738 opt_video_codec(o, "c:v", "mpeg1video");
2739 opt_audio_codec(o, "c:a", "mp2");
2740 parse_option(o, "f", "vcd", options);
2742 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
2743 parse_option(o, "r", frame_rates[norm], options);
2744 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2746 opt_default(NULL, "b:v", "1150000");
2747 opt_default(NULL, "maxrate:v", "1150000");
2748 opt_default(NULL, "minrate:v", "1150000");
2749 opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
2751 opt_default(NULL, "b:a", "224000");
2752 parse_option(o, "ar", "44100", options);
2753 parse_option(o, "ac", "2", options);
2755 opt_default(NULL, "packetsize", "2324");
2756 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
2758 /* We have to offset the PTS, so that it is consistent with the SCR.
2759 SCR starts at 36000, but the first two packs contain only padding
2760 and the first pack from the other stream, respectively, may also have
2761 been written before.
2762 So the real data starts at SCR 36000+3*1200. */
2763 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
2764 } else if (!strcmp(arg, "svcd")) {
2766 opt_video_codec(o, "c:v", "mpeg2video");
2767 opt_audio_codec(o, "c:a", "mp2");
2768 parse_option(o, "f", "svcd", options);
2770 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
2771 parse_option(o, "r", frame_rates[norm], options);
2772 parse_option(o, "pix_fmt", "yuv420p", options);
2773 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2775 opt_default(NULL, "b:v", "2040000");
2776 opt_default(NULL, "maxrate:v", "2516000");
2777 opt_default(NULL, "minrate:v", "0"); // 1145000;
2778 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2779 opt_default(NULL, "scan_offset", "1");
2781 opt_default(NULL, "b:a", "224000");
2782 parse_option(o, "ar", "44100", options);
2784 opt_default(NULL, "packetsize", "2324");
2786 } else if (!strcmp(arg, "dvd")) {
2788 opt_video_codec(o, "c:v", "mpeg2video");
2789 opt_audio_codec(o, "c:a", "ac3");
2790 parse_option(o, "f", "dvd", options);
2792 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2793 parse_option(o, "r", frame_rates[norm], options);
2794 parse_option(o, "pix_fmt", "yuv420p", options);
2795 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2797 opt_default(NULL, "b:v", "6000000");
2798 opt_default(NULL, "maxrate:v", "9000000");
2799 opt_default(NULL, "minrate:v", "0"); // 1500000;
2800 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2802 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
2803 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
2805 opt_default(NULL, "b:a", "448000");
2806 parse_option(o, "ar", "48000", options);
2808 } else if (!strncmp(arg, "dv", 2)) {
2810 parse_option(o, "f", "dv", options);
2812 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2813 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
2814 norm == PAL ? "yuv420p" : "yuv411p", options);
2815 parse_option(o, "r", frame_rates[norm], options);
2817 parse_option(o, "ar", "48000", options);
2818 parse_option(o, "ac", "2", options);
2821 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
2822 return AVERROR(EINVAL);
2825 av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
2826 av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
2831 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
2833 av_free (vstats_filename);
2834 vstats_filename = av_strdup (arg);
2838 static int opt_vstats(void *optctx, const char *opt, const char *arg)
2841 time_t today2 = time(NULL);
2842 struct tm *today = localtime(&today2);
2844 if (!today) { // maybe tomorrow
2845 av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
2849 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
2851 return opt_vstats_file(NULL, opt, filename);
2854 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
2856 OptionsContext *o = optctx;
2857 return parse_option(o, "frames:v", arg, options);
2860 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
2862 OptionsContext *o = optctx;
2863 return parse_option(o, "frames:a", arg, options);
2866 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
2868 OptionsContext *o = optctx;
2869 return parse_option(o, "frames:d", arg, options);
2872 static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
2875 AVDictionary *cbak = codec_opts;
2876 AVDictionary *fbak = format_opts;
2880 ret = opt_default(NULL, opt, arg);
2882 av_dict_copy(&o->g->codec_opts , codec_opts, 0);
2883 av_dict_copy(&o->g->format_opts, format_opts, 0);
2884 av_dict_free(&codec_opts);
2885 av_dict_free(&format_opts);
2892 static int opt_preset(void *optctx, const char *opt, const char *arg)
2894 OptionsContext *o = optctx;
2896 char filename[1000], line[1000], tmp_line[1000];
2897 const char *codec_name = NULL;
2901 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
2903 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
2904 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
2905 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
2907 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
2911 while (fgets(line, sizeof(line), f)) {
2912 char *key = tmp_line, *value, *endptr;
2914 if (strcspn(line, "#\n\r") == 0)
2916 av_strlcpy(tmp_line, line, sizeof(tmp_line));
2917 if (!av_strtok(key, "=", &value) ||
2918 !av_strtok(value, "\r\n", &endptr)) {
2919 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
2922 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
2924 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
2925 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
2926 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
2927 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
2928 else if (opt_default_new(o, key, value) < 0) {
2929 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
2930 filename, line, key, value);
2940 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2942 OptionsContext *o = optctx;
2943 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2944 int ret = parse_option(o, s, arg, options);
2949 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2951 OptionsContext *o = optctx;
2953 if(!strcmp(opt, "ab")){
2954 av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
2956 } else if(!strcmp(opt, "b")){
2957 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2958 av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
2961 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2965 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2967 OptionsContext *o = optctx;
2970 if(!strcmp(opt, "qscale")){
2971 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2972 return parse_option(o, "q:v", arg, options);
2974 s = av_asprintf("q%s", opt + 6);
2975 ret = parse_option(o, s, arg, options);
2980 static int opt_profile(void *optctx, const char *opt, const char *arg)
2982 OptionsContext *o = optctx;
2983 if(!strcmp(opt, "profile")){
2984 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2985 av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
2988 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2992 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2994 OptionsContext *o = optctx;
2995 return parse_option(o, "filter:v", arg, options);
2998 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
3000 OptionsContext *o = optctx;
3001 return parse_option(o, "filter:a", arg, options);
3004 static int opt_vsync(void *optctx, const char *opt, const char *arg)
3006 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
3007 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
3008 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
3009 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
3011 if (video_sync_method == VSYNC_AUTO)
3012 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
3016 static int opt_timecode(void *optctx, const char *opt, const char *arg)
3018 OptionsContext *o = optctx;
3019 char *tcr = av_asprintf("timecode=%s", arg);
3020 int ret = parse_option(o, "metadata:g", tcr, options);
3022 ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
3027 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
3029 OptionsContext *o = optctx;
3030 char layout_str[32];
3033 int ret, channels, ac_str_size;
3036 layout = av_get_channel_layout(arg);
3038 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
3039 return AVERROR(EINVAL);
3041 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
3042 ret = opt_default_new(o, opt, layout_str);
3046 /* set 'ac' option based on channel layout */
3047 channels = av_get_channel_layout_nb_channels(layout);
3048 snprintf(layout_str, sizeof(layout_str), "%d", channels);
3049 stream_str = strchr(opt, ':');
3050 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
3051 ac_str = av_mallocz(ac_str_size);
3053 return AVERROR(ENOMEM);
3054 av_strlcpy(ac_str, "ac", 3);
3056 av_strlcat(ac_str, stream_str, ac_str_size);
3057 ret = parse_option(o, ac_str, layout_str, options);
3063 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
3065 OptionsContext *o = optctx;
3066 return parse_option(o, "q:a", arg, options);
3069 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
3071 GROW_ARRAY(filtergraphs, nb_filtergraphs);
3072 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
3073 return AVERROR(ENOMEM);
3074 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
3075 filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
3076 if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
3077 return AVERROR(ENOMEM);
3079 input_stream_potentially_available = 1;
3084 static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
3086 uint8_t *graph_desc = read_file(arg);
3088 return AVERROR(EINVAL);
3090 GROW_ARRAY(filtergraphs, nb_filtergraphs);
3091 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
3092 return AVERROR(ENOMEM);
3093 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
3094 filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
3096 input_stream_potentially_available = 1;
3101 void show_help_default(const char *opt, const char *arg)
3103 /* per-file options have at least one of those set */
3104 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
3105 int show_advanced = 0, show_avoptions = 0;
3108 if (!strcmp(opt, "long"))
3110 else if (!strcmp(opt, "full"))
3111 show_advanced = show_avoptions = 1;
3113 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
3118 printf("Getting help:\n"
3119 " -h -- print basic options\n"
3120 " -h long -- print more options\n"
3121 " -h full -- print all options (including all format and codec specific options, very long)\n"
3122 " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter\n"
3123 " See man %s for detailed description of the options.\n"
3124 "\n", program_name);
3126 show_help_options(options, "Print help / information / capabilities:",
3129 show_help_options(options, "Global options (affect whole program "
3130 "instead of just one file:",
3131 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
3133 show_help_options(options, "Advanced global options:", OPT_EXPERT,
3134 per_file | OPT_EXIT, 0);
3136 show_help_options(options, "Per-file main options:", 0,
3137 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
3138 OPT_EXIT, per_file);
3140 show_help_options(options, "Advanced per-file options:",
3141 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
3143 show_help_options(options, "Video options:",
3144 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
3146 show_help_options(options, "Advanced Video options:",
3147 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
3149 show_help_options(options, "Audio options:",
3150 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
3152 show_help_options(options, "Advanced Audio options:",
3153 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
3154 show_help_options(options, "Subtitle options:",
3155 OPT_SUBTITLE, 0, 0);
3158 if (show_avoptions) {
3159 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
3160 show_help_children(avcodec_get_class(), flags);
3161 show_help_children(avformat_get_class(), flags);
3163 show_help_children(sws_get_class(), flags);
3165 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
3166 show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
3170 void show_usage(void)
3172 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
3173 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3174 av_log(NULL, AV_LOG_INFO, "\n");
3182 static const OptionGroupDef groups[] = {
3183 [GROUP_OUTFILE] = { "output url", NULL, OPT_OUTPUT },
3184 [GROUP_INFILE] = { "input url", "i", OPT_INPUT },
3187 static int open_files(OptionGroupList *l, const char *inout,
3188 int (*open_file)(OptionsContext*, const char*))
3192 for (i = 0; i < l->nb_groups; i++) {
3193 OptionGroup *g = &l->groups[i];
3199 ret = parse_optgroup(&o, g);
3201 av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
3202 "%s.\n", inout, g->arg);
3206 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
3207 ret = open_file(&o, g->arg);
3210 av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
3214 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
3220 int ffmpeg_parse_options(int argc, char **argv)
3222 OptionParseContext octx;
3226 memset(&octx, 0, sizeof(octx));
3228 /* split the commandline into an internal representation */
3229 ret = split_commandline(&octx, argc, argv, options, groups,
3230 FF_ARRAY_ELEMS(groups));
3232 av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
3236 /* apply global options */
3237 ret = parse_optgroup(NULL, &octx.global_opts);
3239 av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
3243 /* configure terminal and setup signal handlers */
3246 /* open input files */
3247 ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
3249 av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
3253 /* create the complex filtergraphs */
3254 ret = init_complex_filters();
3256 av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
3260 /* open output files */
3261 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
3263 av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
3267 check_filter_outputs();
3270 uninit_parse_context(&octx);
3272 av_strerror(ret, error, sizeof(error));
3273 av_log(NULL, AV_LOG_FATAL, "%s\n", error);
3278 static int opt_progress(void *optctx, const char *opt, const char *arg)
3280 AVIOContext *avio = NULL;
3283 if (!strcmp(arg, "-"))
3285 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
3287 av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
3288 arg, av_err2str(ret));
3291 progress_avio = avio;
3295 #define OFFSET(x) offsetof(OptionsContext, x)
3296 const OptionDef options[] = {
3298 CMDUTILS_COMMON_OPTIONS
3299 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
3300 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
3301 "force format", "fmt" },
3302 { "y", OPT_BOOL, { &file_overwrite },
3303 "overwrite output files" },
3304 { "n", OPT_BOOL, { &no_file_overwrite },
3305 "never overwrite output files" },
3306 { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
3307 "Ignore unknown stream types" },
3308 { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
3309 "Copy unknown stream types" },
3310 { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
3311 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3312 "codec name", "codec" },
3313 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
3314 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3315 "codec name", "codec" },
3316 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
3317 OPT_OUTPUT, { .off = OFFSET(presets) },
3318 "preset name", "preset" },
3319 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3320 OPT_OUTPUT, { .func_arg = opt_map },
3321 "set input stream mapping",
3322 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
3323 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
3324 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
3325 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
3326 OPT_OUTPUT, { .off = OFFSET(metadata_map) },
3327 "set metadata information of outfile from infile",
3328 "outfile[,metadata]:infile[,metadata]" },
3329 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
3330 OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
3331 "set chapters mapping", "input_file_index" },
3332 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
3333 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
3334 "record or transcode \"duration\" seconds of audio/video",
3336 { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
3337 "record or transcode stop time", "time_stop" },
3338 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
3339 "set the limit file size in bytes", "limit_size" },
3340 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
3341 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
3342 "set the start time offset", "time_off" },
3343 { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
3344 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time_eof) },
3345 "set the start time offset relative to EOF", "time_off" },
3346 { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
3347 OPT_INPUT, { .off = OFFSET(seek_timestamp) },
3348 "enable/disable seeking by timestamp with -ss" },
3349 { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
3350 OPT_INPUT, { .off = OFFSET(accurate_seek) },
3351 "enable/disable accurate seeking with -ss" },
3352 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
3353 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
3354 "set the input ts offset", "time_off" },
3355 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
3356 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
3357 "set the input ts scale", "scale" },
3358 { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
3359 "set the recording timestamp ('now' to set the current time)", "time" },
3360 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
3361 "add metadata", "string=string" },
3362 { "program", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(program) },
3363 "add program with specified streams", "title=string:st=number..." },
3364 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3365 OPT_OUTPUT, { .func_arg = opt_data_frames },
3366 "set the number of data frames to output", "number" },
3367 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
3368 "add timings for benchmarking" },
3369 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
3370 "add timings for each task" },
3371 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
3372 "write program-readable progress information", "url" },
3373 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
3374 "enable or disable interaction on standard input" },
3375 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
3376 "set max runtime in seconds", "limit" },
3377 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
3378 "dump each input packet" },
3379 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
3380 "when dumping packets, also dump the payload" },
3381 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3382 OPT_INPUT, { .off = OFFSET(rate_emu) },
3383 "read input at native frame rate", "" },
3384 { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
3385 "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
3386 "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
3387 { "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
3388 "video sync method", "" },
3389 { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
3390 "frame drop threshold", "" },
3391 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
3392 "audio sync method", "" },
3393 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
3394 "audio drift threshold", "threshold" },
3395 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
3396 "copy timestamps" },
3397 { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
3398 "shift input timestamps to start at 0 when using copyts" },
3399 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
3400 "copy input stream time base when stream copying", "mode" },
3401 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3402 OPT_OUTPUT, { .off = OFFSET(shortest) },
3403 "finish encoding within shortest input" },
3404 { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
3405 OPT_OUTPUT, { .off = OFFSET(apad) },
3407 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
3408 "timestamp discontinuity delta threshold", "threshold" },
3409 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
3410 "timestamp error delta threshold", "threshold" },
3411 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
3412 "exit on error", "error" },
3413 { "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
3414 "abort on the specified condition flags", "flags" },
3415 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3416 OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
3417 "copy initial non-keyframes" },
3418 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
3419 "copy or discard frames before start time" },
3420 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
3421 "set the number of frames to output", "number" },
3422 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
3423 OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
3424 "force codec tag/fourcc", "fourcc/tag" },
3425 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
3426 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
3427 "use fixed quality scale (VBR)", "q" },
3428 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3429 OPT_OUTPUT, { .func_arg = opt_qscale },
3430 "use fixed quality scale (VBR)", "q" },
3431 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
3432 "set profile", "profile" },
3433 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
3434 "set stream filtergraph", "filter_graph" },
3435 { "filter_threads", HAS_ARG | OPT_INT, { &filter_nbthreads },
3436 "number of non-complex filter threads" },
3437 { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
3438 "read stream filtergraph description from a file", "filename" },
3439 { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
3440 "reinit filtergraph on input parameter changes", "" },
3441 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3442 "create a complex filtergraph", "graph_description" },
3443 { "filter_complex_threads", HAS_ARG | OPT_INT, { &filter_complex_nbthreads },
3444 "number of threads for -filter_complex" },
3445 { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3446 "create a complex filtergraph", "graph_description" },
3447 { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
3448 "read complex filtergraph description from a file", "filename" },
3449 { "stats", OPT_BOOL, { &print_stats },
3450 "print progress report during encoding", },
3451 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3452 OPT_OUTPUT, { .func_arg = opt_attach },
3453 "add an attachment to the output file", "filename" },
3454 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
3455 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
3456 "extract an attachment into a file", "filename" },
3457 { "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
3458 OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
3459 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
3460 "print timestamp debugging info" },
3461 { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
3462 "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
3463 { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
3464 OPT_INPUT, { .off = OFFSET(discard) },
3466 { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
3467 OPT_OUTPUT, { .off = OFFSET(disposition) },
3468 "disposition", "" },
3469 { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
3470 { .off = OFFSET(thread_queue_size) },
3471 "set the maximum number of queued packets from the demuxer" },
3474 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
3475 "set the number of video frames to output", "number" },
3476 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3477 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
3478 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3479 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
3480 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
3481 "set frame size (WxH or abbreviation)", "size" },
3482 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3483 OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
3484 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3485 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3486 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
3487 "set pixel format", "format" },
3488 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
3489 "set the number of bits per raw sample", "number" },
3490 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
3491 "deprecated use -g 1" },
3492 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
3494 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3495 OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
3496 "rate control override for specific intervals", "override" },
3497 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
3498 OPT_OUTPUT, { .func_arg = opt_video_codec },
3499 "force video codec ('copy' to copy stream)", "codec" },
3500 { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3502 { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3504 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
3505 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
3506 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
3507 "select the pass number (1 to 3)", "n" },
3508 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
3509 OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
3510 "select two pass log file name prefix", "prefix" },
3511 { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
3512 "this option is deprecated, use the yadif filter instead" },
3513 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
3514 "calculate PSNR of compressed frames" },
3515 { "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
3516 "dump video coding statistics to file" },
3517 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
3518 "dump video coding statistics to file", "file" },
3519 { "vstats_version", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &vstats_version },
3520 "Version of the vstats format to use."},
3521 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
3522 "set video filters", "filter_graph" },
3523 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3524 OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
3525 "specify intra matrix coeffs", "matrix" },
3526 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3527 OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
3528 "specify inter matrix coeffs", "matrix" },
3529 { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3530 OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
3531 "specify intra matrix coeffs", "matrix" },
3532 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
3533 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
3534 "top=1/bottom=0/auto=-1 field first", "" },
3535 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3536 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
3537 "force video tag/fourcc", "fourcc/tag" },
3538 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
3539 "show QP histogram" },
3540 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3541 OPT_OUTPUT, { .off = OFFSET(force_fps) },
3542 "force the selected framerate, disable the best supported framerate selection" },
3543 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3544 OPT_OUTPUT, { .func_arg = opt_streamid },
3545 "set the value of an outfile streamid", "streamIndex:value" },
3546 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3547 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
3548 "force key frames at specified timestamps", "timestamps" },
3549 { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3550 "audio bitrate (please use -b:a)", "bitrate" },
3551 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3552 "video bitrate (please use -b:v)", "bitrate" },
3553 { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3554 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
3555 "use HW accelerated decoding", "hwaccel name" },
3556 { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3557 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
3558 "select a device for HW acceleration", "devicename" },
3559 { "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3560 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
3561 "select output format used with HW accelerated decoding", "format" },
3562 #if CONFIG_VDA || CONFIG_VIDEOTOOLBOX
3563 { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
3565 { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
3566 "show available HW acceleration methods" },
3567 { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
3568 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
3569 "automatically insert correct rotate filters" },
3570 { "hwaccel_lax_profile_check", OPT_BOOL | OPT_EXPERT, { &hwaccel_lax_profile_check},
3571 "attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream" },
3574 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
3575 "set the number of audio frames to output", "number" },
3576 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
3577 "set audio quality (codec-specific)", "quality", },
3578 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3579 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
3580 "set audio sampling rate (in Hz)", "rate" },
3581 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3582 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
3583 "set number of audio channels", "channels" },
3584 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
3586 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
3587 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
3588 "force audio codec ('copy' to copy stream)", "codec" },
3589 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3590 OPT_OUTPUT, { .func_arg = opt_old2new },
3591 "force audio tag/fourcc", "fourcc/tag" },
3592 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
3593 "change audio volume (256=normal)" , "volume" },
3594 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
3595 OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
3596 "set sample format", "format" },
3597 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3598 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
3599 "set channel layout", "layout" },
3600 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
3601 "set audio filters", "filter_graph" },
3602 { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
3603 "set the maximum number of channels to try to guess the channel layout" },
3605 /* subtitle options */
3606 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
3607 "disable subtitle" },
3608 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
3609 "force subtitle codec ('copy' to copy stream)", "codec" },
3610 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
3611 , "force subtitle tag/fourcc", "fourcc/tag" },
3612 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
3613 "fix subtitles duration" },
3614 { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
3615 "set canvas size (WxH or abbreviation)", "size" },
3618 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
3619 "deprecated, use -channel", "channel" },
3620 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
3621 "deprecated, use -standard", "standard" },
3622 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
3625 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
3626 "set the maximum demux-decode delay", "seconds" },
3627 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
3628 "set the initial demux-decode delay", "seconds" },
3629 { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
3630 "override the options from ffserver", "" },
3631 { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
3632 "specify a file in which to print sdp information", "file" },
3634 { "time_base", HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(time_bases) },
3635 "set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)", "ratio" },
3636 { "enc_time_base", HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(enc_time_bases) },
3637 "set the desired time base for the encoder (1:24, 1:48000 or 0.04166, 2.0833e-5). "
3638 "two special values are defined - "
3639 "0 = use frame rate (video) or sample rate (audio),"
3640 "-1 = match source time base", "ratio" },
3642 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
3643 "A comma-separated list of bitstream filters", "bitstream_filters" },
3644 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3645 "deprecated", "audio bitstream_filters" },
3646 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3647 "deprecated", "video bitstream_filters" },
3649 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3650 "set the audio options to the indicated preset", "preset" },
3651 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3652 "set the video options to the indicated preset", "preset" },
3653 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3654 "set the subtitle options to the indicated preset", "preset" },
3655 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3656 "set options from indicated preset file", "filename" },
3658 { "max_muxing_queue_size", HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(max_muxing_queue_size) },
3659 "maximum number of packets that can be buffered while waiting for all streams to initialize", "packets" },
3661 /* data codec support */
3662 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
3663 "force data codec ('copy' to copy stream)", "codec" },
3664 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
3668 { "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
3669 "set VAAPI hardware device (DRM path or X11 display name)", "device" },
3673 { "qsv_device", HAS_ARG | OPT_STRING | OPT_EXPERT, { &qsv_device },
3674 "set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", "device"},