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; i < FF_ARRAY_ELEMS(hwaccels) - 1; 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 ost->max_frames = INT64_MAX;
1315 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
1316 for (i = 0; i<o->nb_max_frames; i++) {
1317 char *p = o->max_frames[i].specifier;
1318 if (!*p && type != AVMEDIA_TYPE_VIDEO) {
1319 av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
1324 ost->copy_prior_start = -1;
1325 MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
1327 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsfs, oc, st);
1328 while (bsfs && *bsfs) {
1329 const AVBitStreamFilter *filter;
1330 char *bsf, *bsf_options_str, *bsf_name;
1332 bsf = av_get_token(&bsfs, ",");
1335 bsf_name = av_strtok(bsf, "=", &bsf_options_str);
1339 filter = av_bsf_get_by_name(bsf_name);
1341 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf_name);
1345 ost->bsf_ctx = av_realloc_array(ost->bsf_ctx,
1346 ost->nb_bitstream_filters + 1,
1347 sizeof(*ost->bsf_ctx));
1351 ret = av_bsf_alloc(filter, &ost->bsf_ctx[ost->nb_bitstream_filters]);
1353 av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
1357 ost->nb_bitstream_filters++;
1359 if (bsf_options_str && filter->priv_class) {
1360 const AVOption *opt = av_opt_next(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, NULL);
1361 const char * shorthand[2] = {NULL};
1364 shorthand[0] = opt->name;
1366 ret = av_opt_set_from_string(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, bsf_options_str, shorthand, "=", ":");
1368 av_log(NULL, AV_LOG_ERROR, "Error parsing options for bitstream filter %s\n", bsf_name);
1377 if (ost->nb_bitstream_filters) {
1378 ost->bsf_extradata_updated = av_mallocz_array(ost->nb_bitstream_filters, sizeof(*ost->bsf_extradata_updated));
1379 if (!ost->bsf_extradata_updated) {
1380 av_log(NULL, AV_LOG_FATAL, "Bitstream filter memory allocation failed\n");
1385 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
1387 uint32_t tag = strtol(codec_tag, &next, 0);
1389 tag = AV_RL32(codec_tag);
1390 ost->st->codecpar->codec_tag =
1391 ost->enc_ctx->codec_tag = tag;
1394 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
1396 ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
1397 ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
1400 MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
1401 ost->disposition = av_strdup(ost->disposition);
1403 ost->max_muxing_queue_size = 128;
1404 MATCH_PER_STREAM_OPT(max_muxing_queue_size, i, ost->max_muxing_queue_size, oc, st);
1405 ost->max_muxing_queue_size *= sizeof(AVPacket);
1407 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
1408 ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
1410 av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
1412 av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
1413 if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
1414 av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
1416 av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
1418 ost->source_index = source_index;
1419 if (source_index >= 0) {
1420 ost->sync_ist = input_streams[source_index];
1421 input_streams[source_index]->discard = 0;
1422 input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
1424 ost->last_mux_dts = AV_NOPTS_VALUE;
1426 ost->muxing_queue = av_fifo_alloc(8 * sizeof(AVPacket));
1427 if (!ost->muxing_queue)
1433 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1436 const char *p = str;
1443 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1450 /* read file contents into a string */
1451 static uint8_t *read_file(const char *filename)
1453 AVIOContext *pb = NULL;
1454 AVIOContext *dyn_buf = NULL;
1455 int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
1456 uint8_t buf[1024], *str;
1459 av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
1463 ret = avio_open_dyn_buf(&dyn_buf);
1468 while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
1469 avio_write(dyn_buf, buf, ret);
1470 avio_w8(dyn_buf, 0);
1473 ret = avio_close_dyn_buf(dyn_buf, &str);
1479 static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
1482 AVStream *st = ost->st;
1484 if (ost->filters_script && ost->filters) {
1485 av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
1486 "output stream #%d:%d.\n", nb_output_files, st->index);
1490 if (ost->filters_script)
1491 return read_file(ost->filters_script);
1492 else if (ost->filters)
1493 return av_strdup(ost->filters);
1495 return av_strdup(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ?
1499 static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
1500 const OutputStream *ost, enum AVMediaType type)
1502 if (ost->filters_script || ost->filters) {
1503 av_log(NULL, AV_LOG_ERROR,
1504 "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
1505 "Filtering and streamcopy cannot be used together.\n",
1506 ost->filters ? "Filtergraph" : "Filtergraph script",
1507 ost->filters ? ost->filters : ost->filters_script,
1508 av_get_media_type_string(type), ost->file_index, ost->index);
1513 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1517 AVCodecContext *video_enc;
1518 char *frame_rate = NULL, *frame_aspect_ratio = NULL;
1520 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1522 video_enc = ost->enc_ctx;
1524 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1525 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1526 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1529 if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
1530 av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
1532 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1533 if (frame_aspect_ratio) {
1535 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1536 q.num <= 0 || q.den <= 0) {
1537 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1540 ost->frame_aspect_ratio = q;
1543 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1544 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1546 if (!ost->stream_copy) {
1547 const char *p = NULL;
1548 char *frame_size = NULL;
1549 char *frame_pix_fmt = NULL;
1550 char *intra_matrix = NULL, *inter_matrix = NULL;
1551 char *chroma_intra_matrix = NULL;
1555 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1556 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1557 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1561 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1562 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1563 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1564 ost->keep_pix_fmt = 1;
1565 if (!*++frame_pix_fmt)
1566 frame_pix_fmt = NULL;
1568 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1569 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1572 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1575 video_enc->gop_size = 0;
1576 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1578 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1579 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1582 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1584 MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
1585 if (chroma_intra_matrix) {
1586 uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
1588 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1591 av_codec_set_chroma_intra_matrix(video_enc, p);
1592 parse_matrix_coeffs(p, chroma_intra_matrix);
1594 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1596 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1597 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1600 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1603 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1604 for (i = 0; p; i++) {
1606 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1608 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1611 video_enc->rc_override =
1612 av_realloc_array(video_enc->rc_override,
1613 i + 1, sizeof(RcOverride));
1614 if (!video_enc->rc_override) {
1615 av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
1618 video_enc->rc_override[i].start_frame = start;
1619 video_enc->rc_override[i].end_frame = end;
1621 video_enc->rc_override[i].qscale = q;
1622 video_enc->rc_override[i].quality_factor = 1.0;
1625 video_enc->rc_override[i].qscale = 0;
1626 video_enc->rc_override[i].quality_factor = -q/100.0;
1631 video_enc->rc_override_count = i;
1634 video_enc->flags|= AV_CODEC_FLAG_PSNR;
1637 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1640 video_enc->flags |= AV_CODEC_FLAG_PASS1;
1641 av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
1644 video_enc->flags |= AV_CODEC_FLAG_PASS2;
1645 av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
1649 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1650 if (ost->logfile_prefix &&
1651 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1655 char logfilename[1024];
1658 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1659 ost->logfile_prefix ? ost->logfile_prefix :
1660 DEFAULT_PASS_LOGFILENAME_PREFIX,
1662 if (!strcmp(ost->enc->name, "libx264")) {
1663 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1665 if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
1666 char *logbuffer = read_file(logfilename);
1669 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1673 video_enc->stats_in = logbuffer;
1675 if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
1676 f = av_fopen_utf8(logfilename, "wb");
1678 av_log(NULL, AV_LOG_FATAL,
1679 "Cannot write log file '%s' for pass-1 encoding: %s\n",
1680 logfilename, strerror(errno));
1688 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1689 if (ost->forced_keyframes)
1690 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1692 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1694 ost->top_field_first = -1;
1695 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1698 ost->avfilter = get_ost_filters(o, oc, ost);
1702 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1705 if (ost->stream_copy)
1706 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
1711 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1716 AVCodecContext *audio_enc;
1718 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1721 audio_enc = ost->enc_ctx;
1722 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1724 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1725 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1727 if (!ost->stream_copy) {
1728 char *sample_fmt = NULL;
1730 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1732 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1734 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1735 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1739 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1741 MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
1742 ost->apad = av_strdup(ost->apad);
1744 ost->avfilter = get_ost_filters(o, oc, ost);
1748 /* check for channel mapping for this audio stream */
1749 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1750 AudioChannelMap *map = &o->audio_channel_maps[n];
1751 if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1752 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1755 if (map->channel_idx == -1) {
1757 } else if (ost->source_index < 0) {
1758 av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
1759 ost->file_index, ost->st->index);
1762 ist = input_streams[ost->source_index];
1765 if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
1766 if (av_reallocp_array(&ost->audio_channels_map,
1767 ost->audio_channels_mapped + 1,
1768 sizeof(*ost->audio_channels_map)
1772 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1778 if (ost->stream_copy)
1779 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
1784 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1788 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1789 if (!ost->stream_copy) {
1790 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1797 static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1801 ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
1802 if (!ost->stream_copy) {
1803 av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
1810 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1812 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1813 ost->stream_copy = 1;
1818 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1822 AVCodecContext *subtitle_enc;
1824 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1826 subtitle_enc = ost->enc_ctx;
1828 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1830 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1832 if (!ost->stream_copy) {
1833 char *frame_size = NULL;
1835 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1836 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1837 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1845 /* arg format is "output-stream-index:streamid-value". */
1846 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1848 OptionsContext *o = optctx;
1853 av_strlcpy(idx_str, arg, sizeof(idx_str));
1854 p = strchr(idx_str, ':');
1856 av_log(NULL, AV_LOG_FATAL,
1857 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1862 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1863 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1864 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1868 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1870 AVFormatContext *is = ifile->ctx;
1871 AVFormatContext *os = ofile->ctx;
1875 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1877 return AVERROR(ENOMEM);
1880 for (i = 0; i < is->nb_chapters; i++) {
1881 AVChapter *in_ch = is->chapters[i], *out_ch;
1882 int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
1883 int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
1884 AV_TIME_BASE_Q, in_ch->time_base);
1885 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1886 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1889 if (in_ch->end < ts_off)
1891 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1894 out_ch = av_mallocz(sizeof(AVChapter));
1896 return AVERROR(ENOMEM);
1898 out_ch->id = in_ch->id;
1899 out_ch->time_base = in_ch->time_base;
1900 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1901 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1904 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1906 os->chapters[os->nb_chapters++] = out_ch;
1911 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1914 AVFormatContext *ic = avformat_alloc_context();
1916 ic->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
1917 ic->interrupt_callback = int_cb;
1918 err = avformat_open_input(&ic, filename, NULL, NULL);
1921 /* copy stream format */
1922 for(i=0;i<ic->nb_streams;i++) {
1926 const char *enc_config;
1928 codec = avcodec_find_encoder(ic->streams[i]->codecpar->codec_id);
1930 av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codecpar->codec_id);
1931 return AVERROR(EINVAL);
1933 if (codec->type == AVMEDIA_TYPE_AUDIO)
1934 opt_audio_codec(o, "c:a", codec->name);
1935 else if (codec->type == AVMEDIA_TYPE_VIDEO)
1936 opt_video_codec(o, "c:v", codec->name);
1937 ost = new_output_stream(o, s, codec->type, -1);
1940 avcodec_get_context_defaults3(st->codec, codec);
1941 enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
1943 AVDictionary *opts = NULL;
1944 av_dict_parse_string(&opts, enc_config, "=", ",", 0);
1945 av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
1946 av_dict_free(&opts);
1949 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1950 choose_sample_fmt(st, codec);
1951 else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1952 choose_pixel_fmt(st, st->codec, codec, st->codecpar->format);
1953 avcodec_copy_context(ost->enc_ctx, st->codec);
1955 av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
1958 avformat_close_input(&ic);
1962 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1963 AVFormatContext *oc)
1967 switch (ofilter->type) {
1968 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1969 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1971 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1976 ost->source_index = -1;
1977 ost->filter = ofilter;
1980 ofilter->format = -1;
1982 if (ost->stream_copy) {
1983 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1984 "which is fed from a complex filtergraph. Filtering and streamcopy "
1985 "cannot be used together.\n", ost->file_index, ost->index);
1989 if (ost->avfilter && (ost->filters || ost->filters_script)) {
1990 const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
1991 av_log(NULL, AV_LOG_ERROR,
1992 "%s '%s' was specified through the %s option "
1993 "for output stream %d:%d, which is fed from a complex filtergraph.\n"
1994 "%s and -filter_complex cannot be used together for the same stream.\n",
1995 ost->filters ? "Filtergraph" : "Filtergraph script",
1996 ost->filters ? ost->filters : ost->filters_script,
1997 opt, ost->file_index, ost->index, opt);
2001 avfilter_inout_free(&ofilter->out_tmp);
2004 static int init_complex_filters(void)
2008 for (i = 0; i < nb_filtergraphs; i++) {
2009 ret = init_complex_filtergraph(filtergraphs[i]);
2016 static int open_output_file(OptionsContext *o, const char *filename)
2018 AVFormatContext *oc;
2020 AVOutputFormat *file_oformat;
2024 AVDictionary *unused_opts = NULL;
2025 AVDictionaryEntry *e = NULL;
2026 int format_flags = 0;
2028 if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
2029 o->stop_time = INT64_MAX;
2030 av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
2033 if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
2034 int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
2035 if (o->stop_time <= start_time) {
2036 av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
2039 o->recording_time = o->stop_time - start_time;
2043 GROW_ARRAY(output_files, nb_output_files);
2044 of = av_mallocz(sizeof(*of));
2047 output_files[nb_output_files - 1] = of;
2049 of->ost_index = nb_output_streams;
2050 of->recording_time = o->recording_time;
2051 of->start_time = o->start_time;
2052 of->limit_filesize = o->limit_filesize;
2053 of->shortest = o->shortest;
2054 av_dict_copy(&of->opts, o->g->format_opts, 0);
2056 if (!strcmp(filename, "-"))
2059 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
2061 print_error(filename, err);
2066 if (o->recording_time != INT64_MAX)
2067 oc->duration = o->recording_time;
2069 file_oformat= oc->oformat;
2070 oc->interrupt_callback = int_cb;
2072 e = av_dict_get(o->g->format_opts, "fflags", NULL, 0);
2074 const AVOption *o = av_opt_find(oc, "fflags", NULL, 0, 0);
2075 av_opt_eval_flags(oc, o, e->value, &format_flags);
2078 /* create streams for all unlabeled output pads */
2079 for (i = 0; i < nb_filtergraphs; i++) {
2080 FilterGraph *fg = filtergraphs[i];
2081 for (j = 0; j < fg->nb_outputs; j++) {
2082 OutputFilter *ofilter = fg->outputs[j];
2084 if (!ofilter->out_tmp || ofilter->out_tmp->name)
2087 switch (ofilter->type) {
2088 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
2089 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
2090 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
2092 init_output_filter(ofilter, o, oc);
2096 /* ffserver seeking with date=... needs a date reference */
2097 if (!strcmp(file_oformat->name, "ffm") &&
2098 !(format_flags & AVFMT_FLAG_BITEXACT) &&
2099 av_strstart(filename, "http:", NULL)) {
2100 int err = parse_option(o, "metadata", "creation_time=now", options);
2102 print_error(filename, err);
2107 if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
2108 av_strstart(filename, "http:", NULL)) {
2110 /* special case for files sent to ffserver: we get the stream
2111 parameters from ffserver */
2112 int err = read_ffserver_streams(o, oc, filename);
2114 print_error(filename, err);
2117 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
2118 ost = output_streams[j];
2119 for (i = 0; i < nb_input_streams; i++) {
2120 ist = input_streams[i];
2121 if(ist->st->codecpar->codec_type == ost->st->codecpar->codec_type){
2123 ost->source_index= i;
2124 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
2125 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
2127 ist->st->discard = ist->user_set_discard;
2132 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));
2136 } else if (!o->nb_stream_maps) {
2137 char *subtitle_codec_name = NULL;
2138 /* pick the "best" stream of each type */
2140 /* video: highest resolution */
2141 if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
2142 int area = 0, idx = -1;
2143 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
2144 for (i = 0; i < nb_input_streams; i++) {
2146 ist = input_streams[i];
2147 new_area = ist->st->codecpar->width * ist->st->codecpar->height + 100000000*!!ist->st->codec_info_nb_frames;
2148 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2150 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2152 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2159 new_video_stream(o, oc, idx);
2162 /* audio: most channels */
2163 if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
2164 int best_score = 0, idx = -1;
2165 for (i = 0; i < nb_input_streams; i++) {
2167 ist = input_streams[i];
2168 score = ist->st->codecpar->channels + 100000000*!!ist->st->codec_info_nb_frames;
2169 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
2170 score > best_score) {
2176 new_audio_stream(o, oc, idx);
2179 /* subtitles: pick first */
2180 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
2181 if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
2182 for (i = 0; i < nb_input_streams; i++)
2183 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2184 AVCodecDescriptor const *input_descriptor =
2185 avcodec_descriptor_get(input_streams[i]->st->codecpar->codec_id);
2186 AVCodecDescriptor const *output_descriptor = NULL;
2187 AVCodec const *output_codec =
2188 avcodec_find_encoder(oc->oformat->subtitle_codec);
2189 int input_props = 0, output_props = 0;
2191 output_descriptor = avcodec_descriptor_get(output_codec->id);
2192 if (input_descriptor)
2193 input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2194 if (output_descriptor)
2195 output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2196 if (subtitle_codec_name ||
2197 input_props & output_props ||
2198 // Map dvb teletext which has neither property to any output subtitle encoder
2199 input_descriptor && output_descriptor &&
2200 (!input_descriptor->props ||
2201 !output_descriptor->props)) {
2202 new_subtitle_stream(o, oc, i);
2207 /* Data only if codec id match */
2208 if (!o->data_disable ) {
2209 enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
2210 for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
2211 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_DATA
2212 && input_streams[i]->st->codecpar->codec_id == codec_id )
2213 new_data_stream(o, oc, i);
2217 for (i = 0; i < o->nb_stream_maps; i++) {
2218 StreamMap *map = &o->stream_maps[i];
2223 if (map->linklabel) {
2225 OutputFilter *ofilter = NULL;
2228 for (j = 0; j < nb_filtergraphs; j++) {
2229 fg = filtergraphs[j];
2230 for (k = 0; k < fg->nb_outputs; k++) {
2231 AVFilterInOut *out = fg->outputs[k]->out_tmp;
2232 if (out && !strcmp(out->name, map->linklabel)) {
2233 ofilter = fg->outputs[k];
2240 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
2241 "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
2244 init_output_filter(ofilter, o, oc);
2246 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
2248 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
2249 if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
2251 if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2253 if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2255 if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2259 switch (ist->st->codecpar->codec_type) {
2260 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
2261 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
2262 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
2263 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
2264 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
2265 case AVMEDIA_TYPE_UNKNOWN:
2266 if (copy_unknown_streams) {
2267 ost = new_unknown_stream (o, oc, src_idx);
2271 av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
2272 "Cannot map stream #%d:%d - unsupported type.\n",
2273 map->file_index, map->stream_index);
2274 if (!ignore_unknown_streams) {
2275 av_log(NULL, AV_LOG_FATAL,
2276 "If you want unsupported types ignored instead "
2277 "of failing, please use the -ignore_unknown option\n"
2278 "If you want them copied, please use -copy_unknown\n");
2283 ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
2284 + map->sync_stream_index];
2289 /* handle attached files */
2290 for (i = 0; i < o->nb_attachments; i++) {
2292 uint8_t *attachment;
2296 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
2297 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
2301 if ((len = avio_size(pb)) <= 0) {
2302 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
2306 if (!(attachment = av_malloc(len))) {
2307 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
2311 avio_read(pb, attachment, len);
2313 ost = new_attachment_stream(o, oc, -1);
2314 ost->stream_copy = 0;
2315 ost->attachment_filename = o->attachments[i];
2316 ost->st->codecpar->extradata = attachment;
2317 ost->st->codecpar->extradata_size = len;
2319 p = strrchr(o->attachments[i], '/');
2320 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
2324 #if FF_API_LAVF_AVCTX
2325 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
2326 AVDictionaryEntry *e;
2327 ost = output_streams[i];
2329 if ((ost->stream_copy || ost->attachment_filename)
2330 && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
2331 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
2332 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
2337 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2338 av_dump_format(oc, nb_output_files - 1, oc->filename, 1);
2339 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
2343 /* check if all codec options have been used */
2344 unused_opts = strip_specifiers(o->g->codec_opts);
2345 for (i = of->ost_index; i < nb_output_streams; i++) {
2347 while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
2348 AV_DICT_IGNORE_SUFFIX)))
2349 av_dict_set(&unused_opts, e->key, NULL, 0);
2353 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
2354 const AVClass *class = avcodec_get_class();
2355 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
2356 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2357 const AVClass *fclass = avformat_get_class();
2358 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
2359 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2360 if (!option || foption)
2364 if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
2365 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
2366 "output file #%d (%s) is not an encoding option.\n", e->key,
2367 option->help ? option->help : "", nb_output_files - 1,
2372 // gop_timecode is injected by generic code but not always used
2373 if (!strcmp(e->key, "gop_timecode"))
2376 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
2377 "output file #%d (%s) has not been used for any stream. The most "
2378 "likely reason is either wrong type (e.g. a video option with "
2379 "no video streams) or that it is a private option of some encoder "
2380 "which was not actually used for any stream.\n", e->key,
2381 option->help ? option->help : "", nb_output_files - 1, filename);
2383 av_dict_free(&unused_opts);
2385 /* set the decoding_needed flags and create simple filtergraphs */
2386 for (i = of->ost_index; i < nb_output_streams; i++) {
2387 OutputStream *ost = output_streams[i];
2389 if (ost->encoding_needed && ost->source_index >= 0) {
2390 InputStream *ist = input_streams[ost->source_index];
2391 ist->decoding_needed |= DECODING_FOR_OST;
2393 if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
2394 ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2395 err = init_simple_filtergraph(ist, ost);
2397 av_log(NULL, AV_LOG_ERROR,
2398 "Error initializing a simple filtergraph between streams "
2399 "%d:%d->%d:%d\n", ist->file_index, ost->source_index,
2400 nb_output_files - 1, ost->st->index);
2406 /* set the filter output constraints */
2408 OutputFilter *f = ost->filter;
2410 switch (ost->enc_ctx->codec_type) {
2411 case AVMEDIA_TYPE_VIDEO:
2412 f->frame_rate = ost->frame_rate;
2413 f->width = ost->enc_ctx->width;
2414 f->height = ost->enc_ctx->height;
2415 if (ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE) {
2416 f->format = ost->enc_ctx->pix_fmt;
2417 } else if (ost->enc->pix_fmts) {
2419 while (ost->enc->pix_fmts[count] != AV_PIX_FMT_NONE)
2421 f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
2424 memcpy(f->formats, ost->enc->pix_fmts, (count + 1) * sizeof(*f->formats));
2427 case AVMEDIA_TYPE_AUDIO:
2428 if (ost->enc_ctx->sample_fmt != AV_SAMPLE_FMT_NONE) {
2429 f->format = ost->enc_ctx->sample_fmt;
2430 } else if (ost->enc->sample_fmts) {
2432 while (ost->enc->sample_fmts[count] != AV_SAMPLE_FMT_NONE)
2434 f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
2437 memcpy(f->formats, ost->enc->sample_fmts, (count + 1) * sizeof(*f->formats));
2439 if (ost->enc_ctx->sample_rate) {
2440 f->sample_rate = ost->enc_ctx->sample_rate;
2441 } else if (ost->enc->supported_samplerates) {
2443 while (ost->enc->supported_samplerates[count])
2445 f->sample_rates = av_mallocz_array(count + 1, sizeof(*f->sample_rates));
2446 if (!f->sample_rates)
2448 memcpy(f->sample_rates, ost->enc->supported_samplerates,
2449 (count + 1) * sizeof(*f->sample_rates));
2451 if (ost->enc_ctx->channels) {
2452 f->channel_layout = av_get_default_channel_layout(ost->enc_ctx->channels);
2453 } else if (ost->enc->channel_layouts) {
2455 while (ost->enc->channel_layouts[count])
2457 f->channel_layouts = av_mallocz_array(count + 1, sizeof(*f->channel_layouts));
2458 if (!f->channel_layouts)
2460 memcpy(f->channel_layouts, ost->enc->channel_layouts,
2461 (count + 1) * sizeof(*f->channel_layouts));
2468 /* check filename in case of an image number is expected */
2469 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2470 if (!av_filename_number_test(oc->filename)) {
2471 print_error(oc->filename, AVERROR(EINVAL));
2476 if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
2477 av_log(NULL, AV_LOG_ERROR,
2478 "No input streams but output needs an input stream\n");
2482 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2483 /* test if it already exists to avoid losing precious files */
2484 assert_file_overwrite(filename);
2487 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
2488 &oc->interrupt_callback,
2490 print_error(filename, err);
2493 } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
2494 assert_file_overwrite(filename);
2496 if (o->mux_preload) {
2497 av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
2499 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
2502 for (i = 0; i < o->nb_metadata_map; i++) {
2504 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
2506 if (in_file_index >= nb_input_files) {
2507 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
2510 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
2511 in_file_index >= 0 ?
2512 input_files[in_file_index]->ctx : NULL, o);
2516 if (o->chapters_input_file >= nb_input_files) {
2517 if (o->chapters_input_file == INT_MAX) {
2518 /* copy chapters from the first input file that has them*/
2519 o->chapters_input_file = -1;
2520 for (i = 0; i < nb_input_files; i++)
2521 if (input_files[i]->ctx->nb_chapters) {
2522 o->chapters_input_file = i;
2526 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
2527 o->chapters_input_file);
2531 if (o->chapters_input_file >= 0)
2532 copy_chapters(input_files[o->chapters_input_file], of,
2533 !o->metadata_chapters_manual);
2535 /* copy global metadata by default */
2536 if (!o->metadata_global_manual && nb_input_files){
2537 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
2538 AV_DICT_DONT_OVERWRITE);
2539 if(o->recording_time != INT64_MAX)
2540 av_dict_set(&oc->metadata, "duration", NULL, 0);
2541 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
2543 if (!o->metadata_streams_manual)
2544 for (i = of->ost_index; i < nb_output_streams; i++) {
2546 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
2548 ist = input_streams[output_streams[i]->source_index];
2549 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
2550 if (!output_streams[i]->stream_copy) {
2551 av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
2552 if (ist->autorotate)
2553 av_dict_set(&output_streams[i]->st->metadata, "rotate", NULL, 0);
2557 /* process manually set programs */
2558 for (i = 0; i < o->nb_program; i++) {
2559 const char *p = o->program[i].u.str;
2564 const char *p2 = av_get_token(&p, ":");
2565 const char *to_dealloc = p2;
2572 key = av_get_token(&p2, "=");
2574 av_freep(&to_dealloc);
2580 if (!strcmp(key, "program_num"))
2581 progid = strtol(p2, NULL, 0);
2582 av_freep(&to_dealloc);
2586 program = av_new_program(oc, progid);
2588 p = o->program[i].u.str;
2590 const char *p2 = av_get_token(&p, ":");
2591 const char *to_dealloc = p2;
2597 key = av_get_token(&p2, "=");
2599 av_log(NULL, AV_LOG_FATAL,
2600 "No '=' character in program string %s.\n",
2608 if (!strcmp(key, "title")) {
2609 av_dict_set(&program->metadata, "title", p2, 0);
2610 } else if (!strcmp(key, "program_num")) {
2611 } else if (!strcmp(key, "st")) {
2612 int st_num = strtol(p2, NULL, 0);
2613 av_program_add_stream_index(oc, progid, st_num);
2615 av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
2618 av_freep(&to_dealloc);
2623 /* process manually set metadata */
2624 for (i = 0; i < o->nb_metadata; i++) {
2627 const char *stream_spec;
2628 int index = 0, j, ret = 0;
2630 val = strchr(o->metadata[i].u.str, '=');
2632 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
2633 o->metadata[i].u.str);
2638 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
2640 for (j = 0; j < oc->nb_streams; j++) {
2641 ost = output_streams[nb_output_streams - oc->nb_streams + j];
2642 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
2643 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
2644 if (!strcmp(o->metadata[i].u.str, "rotate")) {
2645 ost->rotate_overridden = 1;
2657 if (index < 0 || index >= oc->nb_chapters) {
2658 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
2661 m = &oc->chapters[index]->metadata;
2664 if (index < 0 || index >= oc->nb_programs) {
2665 av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
2668 m = &oc->programs[index]->metadata;
2671 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
2674 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
2681 static int opt_target(void *optctx, const char *opt, const char *arg)
2683 OptionsContext *o = optctx;
2684 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
2685 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
2687 if (!strncmp(arg, "pal-", 4)) {
2690 } else if (!strncmp(arg, "ntsc-", 5)) {
2693 } else if (!strncmp(arg, "film-", 5)) {
2697 /* Try to determine PAL/NTSC by peeking in the input files */
2698 if (nb_input_files) {
2700 for (j = 0; j < nb_input_files; j++) {
2701 for (i = 0; i < input_files[j]->nb_streams; i++) {
2702 AVStream *st = input_files[j]->ctx->streams[i];
2703 if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
2705 fr = st->time_base.den * 1000 / st->time_base.num;
2709 } else if ((fr == 29970) || (fr == 23976)) {
2714 if (norm != UNKNOWN)
2718 if (norm != UNKNOWN)
2719 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
2722 if (norm == UNKNOWN) {
2723 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
2724 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
2725 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
2729 if (!strcmp(arg, "vcd")) {
2730 opt_video_codec(o, "c:v", "mpeg1video");
2731 opt_audio_codec(o, "c:a", "mp2");
2732 parse_option(o, "f", "vcd", options);
2734 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
2735 parse_option(o, "r", frame_rates[norm], options);
2736 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2738 opt_default(NULL, "b:v", "1150000");
2739 opt_default(NULL, "maxrate:v", "1150000");
2740 opt_default(NULL, "minrate:v", "1150000");
2741 opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
2743 opt_default(NULL, "b:a", "224000");
2744 parse_option(o, "ar", "44100", options);
2745 parse_option(o, "ac", "2", options);
2747 opt_default(NULL, "packetsize", "2324");
2748 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
2750 /* We have to offset the PTS, so that it is consistent with the SCR.
2751 SCR starts at 36000, but the first two packs contain only padding
2752 and the first pack from the other stream, respectively, may also have
2753 been written before.
2754 So the real data starts at SCR 36000+3*1200. */
2755 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
2756 } else if (!strcmp(arg, "svcd")) {
2758 opt_video_codec(o, "c:v", "mpeg2video");
2759 opt_audio_codec(o, "c:a", "mp2");
2760 parse_option(o, "f", "svcd", options);
2762 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
2763 parse_option(o, "r", frame_rates[norm], options);
2764 parse_option(o, "pix_fmt", "yuv420p", options);
2765 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2767 opt_default(NULL, "b:v", "2040000");
2768 opt_default(NULL, "maxrate:v", "2516000");
2769 opt_default(NULL, "minrate:v", "0"); // 1145000;
2770 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2771 opt_default(NULL, "scan_offset", "1");
2773 opt_default(NULL, "b:a", "224000");
2774 parse_option(o, "ar", "44100", options);
2776 opt_default(NULL, "packetsize", "2324");
2778 } else if (!strcmp(arg, "dvd")) {
2780 opt_video_codec(o, "c:v", "mpeg2video");
2781 opt_audio_codec(o, "c:a", "ac3");
2782 parse_option(o, "f", "dvd", options);
2784 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2785 parse_option(o, "r", frame_rates[norm], options);
2786 parse_option(o, "pix_fmt", "yuv420p", options);
2787 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2789 opt_default(NULL, "b:v", "6000000");
2790 opt_default(NULL, "maxrate:v", "9000000");
2791 opt_default(NULL, "minrate:v", "0"); // 1500000;
2792 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2794 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
2795 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
2797 opt_default(NULL, "b:a", "448000");
2798 parse_option(o, "ar", "48000", options);
2800 } else if (!strncmp(arg, "dv", 2)) {
2802 parse_option(o, "f", "dv", options);
2804 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2805 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
2806 norm == PAL ? "yuv420p" : "yuv411p", options);
2807 parse_option(o, "r", frame_rates[norm], options);
2809 parse_option(o, "ar", "48000", options);
2810 parse_option(o, "ac", "2", options);
2813 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
2814 return AVERROR(EINVAL);
2817 av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
2818 av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
2823 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
2825 av_free (vstats_filename);
2826 vstats_filename = av_strdup (arg);
2830 static int opt_vstats(void *optctx, const char *opt, const char *arg)
2833 time_t today2 = time(NULL);
2834 struct tm *today = localtime(&today2);
2836 if (!today) { // maybe tomorrow
2837 av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
2841 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
2843 return opt_vstats_file(NULL, opt, filename);
2846 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
2848 OptionsContext *o = optctx;
2849 return parse_option(o, "frames:v", arg, options);
2852 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
2854 OptionsContext *o = optctx;
2855 return parse_option(o, "frames:a", arg, options);
2858 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
2860 OptionsContext *o = optctx;
2861 return parse_option(o, "frames:d", arg, options);
2864 static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
2867 AVDictionary *cbak = codec_opts;
2868 AVDictionary *fbak = format_opts;
2872 ret = opt_default(NULL, opt, arg);
2874 av_dict_copy(&o->g->codec_opts , codec_opts, 0);
2875 av_dict_copy(&o->g->format_opts, format_opts, 0);
2876 av_dict_free(&codec_opts);
2877 av_dict_free(&format_opts);
2884 static int opt_preset(void *optctx, const char *opt, const char *arg)
2886 OptionsContext *o = optctx;
2888 char filename[1000], line[1000], tmp_line[1000];
2889 const char *codec_name = NULL;
2893 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
2895 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
2896 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
2897 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
2899 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
2903 while (fgets(line, sizeof(line), f)) {
2904 char *key = tmp_line, *value, *endptr;
2906 if (strcspn(line, "#\n\r") == 0)
2908 av_strlcpy(tmp_line, line, sizeof(tmp_line));
2909 if (!av_strtok(key, "=", &value) ||
2910 !av_strtok(value, "\r\n", &endptr)) {
2911 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
2914 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
2916 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
2917 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
2918 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
2919 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
2920 else if (opt_default_new(o, key, value) < 0) {
2921 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
2922 filename, line, key, value);
2932 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2934 OptionsContext *o = optctx;
2935 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2936 int ret = parse_option(o, s, arg, options);
2941 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2943 OptionsContext *o = optctx;
2945 if(!strcmp(opt, "ab")){
2946 av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
2948 } else if(!strcmp(opt, "b")){
2949 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2950 av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
2953 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2957 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2959 OptionsContext *o = optctx;
2962 if(!strcmp(opt, "qscale")){
2963 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2964 return parse_option(o, "q:v", arg, options);
2966 s = av_asprintf("q%s", opt + 6);
2967 ret = parse_option(o, s, arg, options);
2972 static int opt_profile(void *optctx, const char *opt, const char *arg)
2974 OptionsContext *o = optctx;
2975 if(!strcmp(opt, "profile")){
2976 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2977 av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
2980 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2984 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2986 OptionsContext *o = optctx;
2987 return parse_option(o, "filter:v", arg, options);
2990 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
2992 OptionsContext *o = optctx;
2993 return parse_option(o, "filter:a", arg, options);
2996 static int opt_vsync(void *optctx, const char *opt, const char *arg)
2998 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2999 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
3000 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
3001 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
3003 if (video_sync_method == VSYNC_AUTO)
3004 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
3008 static int opt_timecode(void *optctx, const char *opt, const char *arg)
3010 OptionsContext *o = optctx;
3011 char *tcr = av_asprintf("timecode=%s", arg);
3012 int ret = parse_option(o, "metadata:g", tcr, options);
3014 ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
3019 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
3021 OptionsContext *o = optctx;
3022 char layout_str[32];
3025 int ret, channels, ac_str_size;
3028 layout = av_get_channel_layout(arg);
3030 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
3031 return AVERROR(EINVAL);
3033 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
3034 ret = opt_default_new(o, opt, layout_str);
3038 /* set 'ac' option based on channel layout */
3039 channels = av_get_channel_layout_nb_channels(layout);
3040 snprintf(layout_str, sizeof(layout_str), "%d", channels);
3041 stream_str = strchr(opt, ':');
3042 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
3043 ac_str = av_mallocz(ac_str_size);
3045 return AVERROR(ENOMEM);
3046 av_strlcpy(ac_str, "ac", 3);
3048 av_strlcat(ac_str, stream_str, ac_str_size);
3049 ret = parse_option(o, ac_str, layout_str, options);
3055 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
3057 OptionsContext *o = optctx;
3058 return parse_option(o, "q:a", arg, options);
3061 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
3063 GROW_ARRAY(filtergraphs, nb_filtergraphs);
3064 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
3065 return AVERROR(ENOMEM);
3066 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
3067 filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
3068 if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
3069 return AVERROR(ENOMEM);
3071 input_stream_potentially_available = 1;
3076 static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
3078 uint8_t *graph_desc = read_file(arg);
3080 return AVERROR(EINVAL);
3082 GROW_ARRAY(filtergraphs, nb_filtergraphs);
3083 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
3084 return AVERROR(ENOMEM);
3085 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
3086 filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
3088 input_stream_potentially_available = 1;
3093 void show_help_default(const char *opt, const char *arg)
3095 /* per-file options have at least one of those set */
3096 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
3097 int show_advanced = 0, show_avoptions = 0;
3100 if (!strcmp(opt, "long"))
3102 else if (!strcmp(opt, "full"))
3103 show_advanced = show_avoptions = 1;
3105 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
3110 printf("Getting help:\n"
3111 " -h -- print basic options\n"
3112 " -h long -- print more options\n"
3113 " -h full -- print all options (including all format and codec specific options, very long)\n"
3114 " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter\n"
3115 " See man %s for detailed description of the options.\n"
3116 "\n", program_name);
3118 show_help_options(options, "Print help / information / capabilities:",
3121 show_help_options(options, "Global options (affect whole program "
3122 "instead of just one file:",
3123 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
3125 show_help_options(options, "Advanced global options:", OPT_EXPERT,
3126 per_file | OPT_EXIT, 0);
3128 show_help_options(options, "Per-file main options:", 0,
3129 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
3130 OPT_EXIT, per_file);
3132 show_help_options(options, "Advanced per-file options:",
3133 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
3135 show_help_options(options, "Video options:",
3136 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
3138 show_help_options(options, "Advanced Video options:",
3139 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
3141 show_help_options(options, "Audio options:",
3142 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
3144 show_help_options(options, "Advanced Audio options:",
3145 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
3146 show_help_options(options, "Subtitle options:",
3147 OPT_SUBTITLE, 0, 0);
3150 if (show_avoptions) {
3151 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
3152 show_help_children(avcodec_get_class(), flags);
3153 show_help_children(avformat_get_class(), flags);
3155 show_help_children(sws_get_class(), flags);
3157 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
3158 show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
3162 void show_usage(void)
3164 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
3165 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3166 av_log(NULL, AV_LOG_INFO, "\n");
3174 static const OptionGroupDef groups[] = {
3175 [GROUP_OUTFILE] = { "output url", NULL, OPT_OUTPUT },
3176 [GROUP_INFILE] = { "input url", "i", OPT_INPUT },
3179 static int open_files(OptionGroupList *l, const char *inout,
3180 int (*open_file)(OptionsContext*, const char*))
3184 for (i = 0; i < l->nb_groups; i++) {
3185 OptionGroup *g = &l->groups[i];
3191 ret = parse_optgroup(&o, g);
3193 av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
3194 "%s.\n", inout, g->arg);
3198 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
3199 ret = open_file(&o, g->arg);
3202 av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
3206 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
3212 int ffmpeg_parse_options(int argc, char **argv)
3214 OptionParseContext octx;
3218 memset(&octx, 0, sizeof(octx));
3220 /* split the commandline into an internal representation */
3221 ret = split_commandline(&octx, argc, argv, options, groups,
3222 FF_ARRAY_ELEMS(groups));
3224 av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
3228 /* apply global options */
3229 ret = parse_optgroup(NULL, &octx.global_opts);
3231 av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
3235 /* configure terminal and setup signal handlers */
3238 /* open input files */
3239 ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
3241 av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
3245 /* create the complex filtergraphs */
3246 ret = init_complex_filters();
3248 av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
3252 /* open output files */
3253 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
3255 av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
3260 uninit_parse_context(&octx);
3262 av_strerror(ret, error, sizeof(error));
3263 av_log(NULL, AV_LOG_FATAL, "%s\n", error);
3268 static int opt_progress(void *optctx, const char *opt, const char *arg)
3270 AVIOContext *avio = NULL;
3273 if (!strcmp(arg, "-"))
3275 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
3277 av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
3278 arg, av_err2str(ret));
3281 progress_avio = avio;
3285 #define OFFSET(x) offsetof(OptionsContext, x)
3286 const OptionDef options[] = {
3288 #include "cmdutils_common_opts.h"
3289 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
3290 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
3291 "force format", "fmt" },
3292 { "y", OPT_BOOL, { &file_overwrite },
3293 "overwrite output files" },
3294 { "n", OPT_BOOL, { &no_file_overwrite },
3295 "never overwrite output files" },
3296 { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
3297 "Ignore unknown stream types" },
3298 { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
3299 "Copy unknown stream types" },
3300 { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
3301 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3302 "codec name", "codec" },
3303 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
3304 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3305 "codec name", "codec" },
3306 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
3307 OPT_OUTPUT, { .off = OFFSET(presets) },
3308 "preset name", "preset" },
3309 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3310 OPT_OUTPUT, { .func_arg = opt_map },
3311 "set input stream mapping",
3312 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
3313 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
3314 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
3315 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
3316 OPT_OUTPUT, { .off = OFFSET(metadata_map) },
3317 "set metadata information of outfile from infile",
3318 "outfile[,metadata]:infile[,metadata]" },
3319 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
3320 OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
3321 "set chapters mapping", "input_file_index" },
3322 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
3323 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
3324 "record or transcode \"duration\" seconds of audio/video",
3326 { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
3327 "record or transcode stop time", "time_stop" },
3328 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
3329 "set the limit file size in bytes", "limit_size" },
3330 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
3331 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
3332 "set the start time offset", "time_off" },
3333 { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
3334 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time_eof) },
3335 "set the start time offset relative to EOF", "time_off" },
3336 { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
3337 OPT_INPUT, { .off = OFFSET(seek_timestamp) },
3338 "enable/disable seeking by timestamp with -ss" },
3339 { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
3340 OPT_INPUT, { .off = OFFSET(accurate_seek) },
3341 "enable/disable accurate seeking with -ss" },
3342 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
3343 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
3344 "set the input ts offset", "time_off" },
3345 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
3346 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
3347 "set the input ts scale", "scale" },
3348 { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
3349 "set the recording timestamp ('now' to set the current time)", "time" },
3350 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
3351 "add metadata", "string=string" },
3352 { "program", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(program) },
3353 "add program with specified streams", "title=string:st=number..." },
3354 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3355 OPT_OUTPUT, { .func_arg = opt_data_frames },
3356 "set the number of data frames to output", "number" },
3357 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
3358 "add timings for benchmarking" },
3359 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
3360 "add timings for each task" },
3361 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
3362 "write program-readable progress information", "url" },
3363 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
3364 "enable or disable interaction on standard input" },
3365 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
3366 "set max runtime in seconds", "limit" },
3367 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
3368 "dump each input packet" },
3369 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
3370 "when dumping packets, also dump the payload" },
3371 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3372 OPT_INPUT, { .off = OFFSET(rate_emu) },
3373 "read input at native frame rate", "" },
3374 { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
3375 "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
3376 "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
3377 { "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
3378 "video sync method", "" },
3379 { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
3380 "frame drop threshold", "" },
3381 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
3382 "audio sync method", "" },
3383 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
3384 "audio drift threshold", "threshold" },
3385 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
3386 "copy timestamps" },
3387 { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
3388 "shift input timestamps to start at 0 when using copyts" },
3389 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
3390 "copy input stream time base when stream copying", "mode" },
3391 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3392 OPT_OUTPUT, { .off = OFFSET(shortest) },
3393 "finish encoding within shortest input" },
3394 { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
3395 OPT_OUTPUT, { .off = OFFSET(apad) },
3397 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
3398 "timestamp discontinuity delta threshold", "threshold" },
3399 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
3400 "timestamp error delta threshold", "threshold" },
3401 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
3402 "exit on error", "error" },
3403 { "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
3404 "abort on the specified condition flags", "flags" },
3405 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3406 OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
3407 "copy initial non-keyframes" },
3408 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
3409 "copy or discard frames before start time" },
3410 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
3411 "set the number of frames to output", "number" },
3412 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
3413 OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
3414 "force codec tag/fourcc", "fourcc/tag" },
3415 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
3416 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
3417 "use fixed quality scale (VBR)", "q" },
3418 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3419 OPT_OUTPUT, { .func_arg = opt_qscale },
3420 "use fixed quality scale (VBR)", "q" },
3421 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
3422 "set profile", "profile" },
3423 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
3424 "set stream filtergraph", "filter_graph" },
3425 { "filter_threads", HAS_ARG | OPT_INT, { &filter_nbthreads },
3426 "number of non-complex filter threads" },
3427 { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
3428 "read stream filtergraph description from a file", "filename" },
3429 { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
3430 "reinit filtergraph on input parameter changes", "" },
3431 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3432 "create a complex filtergraph", "graph_description" },
3433 { "filter_complex_threads", HAS_ARG | OPT_INT, { &filter_complex_nbthreads },
3434 "number of threads for -filter_complex" },
3435 { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3436 "create a complex filtergraph", "graph_description" },
3437 { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
3438 "read complex filtergraph description from a file", "filename" },
3439 { "stats", OPT_BOOL, { &print_stats },
3440 "print progress report during encoding", },
3441 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3442 OPT_OUTPUT, { .func_arg = opt_attach },
3443 "add an attachment to the output file", "filename" },
3444 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
3445 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
3446 "extract an attachment into a file", "filename" },
3447 { "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
3448 OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
3449 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
3450 "print timestamp debugging info" },
3451 { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
3452 "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
3453 { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
3454 OPT_INPUT, { .off = OFFSET(discard) },
3456 { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
3457 OPT_OUTPUT, { .off = OFFSET(disposition) },
3458 "disposition", "" },
3459 { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
3460 { .off = OFFSET(thread_queue_size) },
3461 "set the maximum number of queued packets from the demuxer" },
3464 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
3465 "set the number of video frames to output", "number" },
3466 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3467 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
3468 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3469 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
3470 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
3471 "set frame size (WxH or abbreviation)", "size" },
3472 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3473 OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
3474 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3475 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3476 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
3477 "set pixel format", "format" },
3478 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
3479 "set the number of bits per raw sample", "number" },
3480 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
3481 "deprecated use -g 1" },
3482 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
3484 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3485 OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
3486 "rate control override for specific intervals", "override" },
3487 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
3488 OPT_OUTPUT, { .func_arg = opt_video_codec },
3489 "force video codec ('copy' to copy stream)", "codec" },
3490 { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3492 { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3494 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
3495 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
3496 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
3497 "select the pass number (1 to 3)", "n" },
3498 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
3499 OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
3500 "select two pass log file name prefix", "prefix" },
3501 { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
3502 "this option is deprecated, use the yadif filter instead" },
3503 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
3504 "calculate PSNR of compressed frames" },
3505 { "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
3506 "dump video coding statistics to file" },
3507 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
3508 "dump video coding statistics to file", "file" },
3509 { "vstats_version", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &vstats_version },
3510 "Version of the vstats format to use."},
3511 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
3512 "set video filters", "filter_graph" },
3513 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3514 OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
3515 "specify intra matrix coeffs", "matrix" },
3516 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3517 OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
3518 "specify inter matrix coeffs", "matrix" },
3519 { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3520 OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
3521 "specify intra matrix coeffs", "matrix" },
3522 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
3523 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
3524 "top=1/bottom=0/auto=-1 field first", "" },
3525 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3526 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
3527 "force video tag/fourcc", "fourcc/tag" },
3528 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
3529 "show QP histogram" },
3530 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3531 OPT_OUTPUT, { .off = OFFSET(force_fps) },
3532 "force the selected framerate, disable the best supported framerate selection" },
3533 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3534 OPT_OUTPUT, { .func_arg = opt_streamid },
3535 "set the value of an outfile streamid", "streamIndex:value" },
3536 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3537 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
3538 "force key frames at specified timestamps", "timestamps" },
3539 { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3540 "audio bitrate (please use -b:a)", "bitrate" },
3541 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3542 "video bitrate (please use -b:v)", "bitrate" },
3543 { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3544 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
3545 "use HW accelerated decoding", "hwaccel name" },
3546 { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3547 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
3548 "select a device for HW acceleration", "devicename" },
3549 { "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3550 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
3551 "select output format used with HW accelerated decoding", "format" },
3552 #if CONFIG_VDA || CONFIG_VIDEOTOOLBOX
3553 { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
3555 { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
3556 "show available HW acceleration methods" },
3557 { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
3558 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
3559 "automatically insert correct rotate filters" },
3560 { "hwaccel_lax_profile_check", OPT_BOOL | OPT_EXPERT, { &hwaccel_lax_profile_check},
3561 "attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream" },
3564 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
3565 "set the number of audio frames to output", "number" },
3566 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
3567 "set audio quality (codec-specific)", "quality", },
3568 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3569 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
3570 "set audio sampling rate (in Hz)", "rate" },
3571 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3572 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
3573 "set number of audio channels", "channels" },
3574 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
3576 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
3577 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
3578 "force audio codec ('copy' to copy stream)", "codec" },
3579 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3580 OPT_OUTPUT, { .func_arg = opt_old2new },
3581 "force audio tag/fourcc", "fourcc/tag" },
3582 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
3583 "change audio volume (256=normal)" , "volume" },
3584 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
3585 OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
3586 "set sample format", "format" },
3587 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3588 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
3589 "set channel layout", "layout" },
3590 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
3591 "set audio filters", "filter_graph" },
3592 { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
3593 "set the maximum number of channels to try to guess the channel layout" },
3595 /* subtitle options */
3596 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
3597 "disable subtitle" },
3598 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
3599 "force subtitle codec ('copy' to copy stream)", "codec" },
3600 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
3601 , "force subtitle tag/fourcc", "fourcc/tag" },
3602 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
3603 "fix subtitles duration" },
3604 { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
3605 "set canvas size (WxH or abbreviation)", "size" },
3608 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
3609 "deprecated, use -channel", "channel" },
3610 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
3611 "deprecated, use -standard", "standard" },
3612 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
3615 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
3616 "set the maximum demux-decode delay", "seconds" },
3617 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
3618 "set the initial demux-decode delay", "seconds" },
3619 { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
3620 "override the options from ffserver", "" },
3621 { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
3622 "specify a file in which to print sdp information", "file" },
3624 { "time_base", HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(time_bases) },
3625 "set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)", "ratio" },
3627 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
3628 "A comma-separated list of bitstream filters", "bitstream_filters" },
3629 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3630 "deprecated", "audio bitstream_filters" },
3631 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3632 "deprecated", "video bitstream_filters" },
3634 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3635 "set the audio options to the indicated preset", "preset" },
3636 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3637 "set the video options to the indicated preset", "preset" },
3638 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3639 "set the subtitle options to the indicated preset", "preset" },
3640 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3641 "set options from indicated preset file", "filename" },
3643 { "max_muxing_queue_size", HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(max_muxing_queue_size) },
3644 "maximum number of packets that can be buffered while waiting for all streams to initialize", "packets" },
3646 /* data codec support */
3647 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
3648 "force data codec ('copy' to copy stream)", "codec" },
3649 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
3653 { "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
3654 "set VAAPI hardware device (DRM path or X11 display name)", "device" },
3658 { "qsv_device", HAS_ARG | OPT_STRING | OPT_EXPERT, { &qsv_device },
3659 "set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", "device"},