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;
124 static int intra_only = 0;
125 static int file_overwrite = 0;
126 static int no_file_overwrite = 0;
127 static int do_psnr = 0;
128 static int input_sync;
129 static int override_ffserver = 0;
130 static int input_stream_potentially_available = 0;
131 static int ignore_unknown_streams = 0;
132 static int copy_unknown_streams = 0;
134 static void uninit_options(OptionsContext *o)
136 const OptionDef *po = options;
139 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
141 void *dst = (uint8_t*)o + po->u.off;
143 if (po->flags & OPT_SPEC) {
144 SpecifierOpt **so = dst;
145 int i, *count = (int*)(so + 1);
146 for (i = 0; i < *count; i++) {
147 av_freep(&(*so)[i].specifier);
148 if (po->flags & OPT_STRING)
149 av_freep(&(*so)[i].u.str);
153 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
158 for (i = 0; i < o->nb_stream_maps; i++)
159 av_freep(&o->stream_maps[i].linklabel);
160 av_freep(&o->stream_maps);
161 av_freep(&o->audio_channel_maps);
162 av_freep(&o->streamid_map);
163 av_freep(&o->attachments);
166 static void init_options(OptionsContext *o)
168 memset(o, 0, sizeof(*o));
170 o->stop_time = INT64_MAX;
171 o->mux_max_delay = 0.7;
172 o->start_time = AV_NOPTS_VALUE;
173 o->start_time_eof = AV_NOPTS_VALUE;
174 o->recording_time = INT64_MAX;
175 o->limit_filesize = UINT64_MAX;
176 o->chapters_input_file = INT_MAX;
177 o->accurate_seek = 1;
180 static int show_hwaccels(void *optctx, const char *opt, const char *arg)
184 printf("Hardware acceleration methods:\n");
185 for (i = 0; i < FF_ARRAY_ELEMS(hwaccels) - 1; i++) {
186 printf("%s\n", hwaccels[i].name);
192 /* return a copy of the input with the stream specifiers removed from the keys */
193 static AVDictionary *strip_specifiers(AVDictionary *dict)
195 AVDictionaryEntry *e = NULL;
196 AVDictionary *ret = NULL;
198 while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
199 char *p = strchr(e->key, ':');
203 av_dict_set(&ret, e->key, e->value, 0);
210 static int opt_abort_on(void *optctx, const char *opt, const char *arg)
212 static const AVOption opts[] = {
213 { "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
214 { "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
217 static const AVClass class = {
219 .item_name = av_default_item_name,
221 .version = LIBAVUTIL_VERSION_INT,
223 const AVClass *pclass = &class;
225 return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
228 static int opt_sameq(void *optctx, const char *opt, const char *arg)
230 av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
231 "If you are looking for an option to preserve the quality (which is not "
232 "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
234 return AVERROR(EINVAL);
237 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
239 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
240 return opt_default(optctx, "channel", arg);
243 static int opt_video_standard(void *optctx, const char *opt, const char *arg)
245 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
246 return opt_default(optctx, "standard", arg);
249 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
251 OptionsContext *o = optctx;
252 return parse_option(o, "codec:a", arg, options);
255 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
257 OptionsContext *o = optctx;
258 return parse_option(o, "codec:v", arg, options);
261 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
263 OptionsContext *o = optctx;
264 return parse_option(o, "codec:s", arg, options);
267 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
269 OptionsContext *o = optctx;
270 return parse_option(o, "codec:d", arg, options);
273 static int opt_map(void *optctx, const char *opt, const char *arg)
275 OptionsContext *o = optctx;
277 int i, negative = 0, file_idx;
278 int sync_file_idx = -1, sync_stream_idx = 0;
287 map = av_strdup(arg);
289 return AVERROR(ENOMEM);
291 /* parse sync stream first, just pick first matching stream */
292 if (sync = strchr(map, ',')) {
294 sync_file_idx = strtol(sync + 1, &sync, 0);
295 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
296 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
301 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
302 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
303 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
307 if (i == input_files[sync_file_idx]->nb_streams) {
308 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
309 "match any streams.\n", arg);
316 /* this mapping refers to lavfi output */
317 const char *c = map + 1;
318 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
319 m = &o->stream_maps[o->nb_stream_maps - 1];
320 m->linklabel = av_get_token(&c, "]");
322 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
326 if (allow_unused = strchr(map, '?'))
328 file_idx = strtol(map, &p, 0);
329 if (file_idx >= nb_input_files || file_idx < 0) {
330 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
334 /* disable some already defined maps */
335 for (i = 0; i < o->nb_stream_maps; i++) {
336 m = &o->stream_maps[i];
337 if (file_idx == m->file_index &&
338 check_stream_specifier(input_files[m->file_index]->ctx,
339 input_files[m->file_index]->ctx->streams[m->stream_index],
340 *p == ':' ? p + 1 : p) > 0)
344 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
345 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
346 *p == ':' ? p + 1 : p) <= 0)
348 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
349 m = &o->stream_maps[o->nb_stream_maps - 1];
351 m->file_index = file_idx;
354 if (sync_file_idx >= 0) {
355 m->sync_file_index = sync_file_idx;
356 m->sync_stream_index = sync_stream_idx;
358 m->sync_file_index = file_idx;
359 m->sync_stream_index = i;
366 av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
368 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
369 "To ignore this, add a trailing '?' to the map.\n", arg);
378 static int opt_attach(void *optctx, const char *opt, const char *arg)
380 OptionsContext *o = optctx;
381 GROW_ARRAY(o->attachments, o->nb_attachments);
382 o->attachments[o->nb_attachments - 1] = arg;
386 static int opt_map_channel(void *optctx, const char *opt, const char *arg)
388 OptionsContext *o = optctx;
393 GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
394 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
396 /* muted channel syntax */
397 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
398 if ((n == 1 || n == 3) && m->channel_idx == -1) {
399 m->file_idx = m->stream_idx = -1;
401 m->ofile_idx = m->ostream_idx = -1;
406 n = sscanf(arg, "%d.%d.%d:%d.%d",
407 &m->file_idx, &m->stream_idx, &m->channel_idx,
408 &m->ofile_idx, &m->ostream_idx);
410 if (n != 3 && n != 5) {
411 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
412 "[file.stream.channel|-1][:syncfile:syncstream]\n");
416 if (n != 5) // only file.stream.channel specified
417 m->ofile_idx = m->ostream_idx = -1;
420 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
421 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
425 if (m->stream_idx < 0 ||
426 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
427 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
428 m->file_idx, m->stream_idx);
431 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
432 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
433 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
434 m->file_idx, m->stream_idx);
437 if (m->channel_idx < 0 || m->channel_idx >= st->codecpar->channels) {
438 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
439 m->file_idx, m->stream_idx, m->channel_idx);
445 static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
447 av_free(sdp_filename);
448 sdp_filename = av_strdup(arg);
453 static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
456 err = vaapi_device_init(arg);
464 * Parse a metadata specifier passed as 'arg' parameter.
465 * @param arg metadata string to parse
466 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
467 * @param index for type c/p, chapter/program index is written here
468 * @param stream_spec for type s, the stream specifier is written here
470 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
478 if (*(++arg) && *arg != ':') {
479 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
482 *stream_spec = *arg == ':' ? arg + 1 : "";
487 *index = strtol(++arg, NULL, 0);
490 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
497 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
499 AVDictionary **meta_in = NULL;
500 AVDictionary **meta_out = NULL;
502 char type_in, type_out;
503 const char *istream_spec = NULL, *ostream_spec = NULL;
504 int idx_in = 0, idx_out = 0;
506 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
507 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
510 if (type_out == 'g' || !*outspec)
511 o->metadata_global_manual = 1;
512 if (type_out == 's' || !*outspec)
513 o->metadata_streams_manual = 1;
514 if (type_out == 'c' || !*outspec)
515 o->metadata_chapters_manual = 1;
519 if (type_in == 'g' || type_out == 'g')
520 o->metadata_global_manual = 1;
521 if (type_in == 's' || type_out == 's')
522 o->metadata_streams_manual = 1;
523 if (type_in == 'c' || type_out == 'c')
524 o->metadata_chapters_manual = 1;
526 /* ic is NULL when just disabling automatic mappings */
530 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
531 if ((index) < 0 || (index) >= (nb_elems)) {\
532 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
537 #define SET_DICT(type, meta, context, index)\
540 meta = &context->metadata;\
543 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
544 meta = &context->chapters[index]->metadata;\
547 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
548 meta = &context->programs[index]->metadata;\
551 break; /* handled separately below */ \
552 default: av_assert0(0);\
555 SET_DICT(type_in, meta_in, ic, idx_in);
556 SET_DICT(type_out, meta_out, oc, idx_out);
558 /* for input streams choose first matching stream */
559 if (type_in == 's') {
560 for (i = 0; i < ic->nb_streams; i++) {
561 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
562 meta_in = &ic->streams[i]->metadata;
568 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
573 if (type_out == 's') {
574 for (i = 0; i < oc->nb_streams; i++) {
575 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
576 meta_out = &oc->streams[i]->metadata;
577 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
582 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
587 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
589 OptionsContext *o = optctx;
591 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
592 struct tm time = *gmtime((time_t*)&recording_timestamp);
593 if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
595 parse_option(o, "metadata", buf, options);
597 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
598 "tag instead.\n", opt);
602 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
604 const AVCodecDescriptor *desc;
605 const char *codec_string = encoder ? "encoder" : "decoder";
609 avcodec_find_encoder_by_name(name) :
610 avcodec_find_decoder_by_name(name);
612 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
613 codec = encoder ? avcodec_find_encoder(desc->id) :
614 avcodec_find_decoder(desc->id);
616 av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
617 codec_string, codec->name, desc->name);
621 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
624 if (codec->type != type) {
625 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
631 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
633 char *codec_name = NULL;
635 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
637 AVCodec *codec = find_codec_or_die(codec_name, st->codecpar->codec_type, 0);
638 st->codecpar->codec_id = codec->id;
641 return avcodec_find_decoder(st->codecpar->codec_id);
644 /* Add all the streams from the given input file to the global
645 * list of input streams. */
646 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
650 for (i = 0; i < ic->nb_streams; i++) {
651 AVStream *st = ic->streams[i];
652 AVCodecParameters *par = st->codecpar;
653 InputStream *ist = av_mallocz(sizeof(*ist));
654 char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
655 char *hwaccel_output_format = NULL;
656 char *codec_tag = NULL;
658 char *discard_str = NULL;
659 const AVClass *cc = avcodec_get_class();
660 const AVOption *discard_opt = av_opt_find(&cc, "skip_frame", NULL, 0, 0);
665 GROW_ARRAY(input_streams, nb_input_streams);
666 input_streams[nb_input_streams - 1] = ist;
669 ist->file_index = nb_input_files;
671 st->discard = AVDISCARD_ALL;
673 ist->min_pts = INT64_MAX;
674 ist->max_pts = INT64_MIN;
677 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
680 MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
682 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
684 uint32_t tag = strtol(codec_tag, &next, 0);
686 tag = AV_RL32(codec_tag);
687 st->codecpar->codec_tag = tag;
690 ist->dec = choose_decoder(o, ic, st);
691 ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codecpar->codec_id, ic, st, ist->dec);
693 ist->reinit_filters = -1;
694 MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
696 MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
697 ist->user_set_discard = AVDISCARD_NONE;
698 if (discard_str && av_opt_eval_int(&cc, discard_opt, discard_str, &ist->user_set_discard) < 0) {
699 av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
704 ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
706 ist->dec_ctx = avcodec_alloc_context3(ist->dec);
708 av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
712 ret = avcodec_parameters_to_context(ist->dec_ctx, par);
714 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
718 switch (par->codec_type) {
719 case AVMEDIA_TYPE_VIDEO:
721 ist->dec = avcodec_find_decoder(par->codec_id);
723 if (av_codec_get_lowres(st->codec)) {
724 av_codec_set_lowres(ist->dec_ctx, av_codec_get_lowres(st->codec));
725 ist->dec_ctx->width = st->codec->width;
726 ist->dec_ctx->height = st->codec->height;
727 ist->dec_ctx->coded_width = st->codec->coded_width;
728 ist->dec_ctx->coded_height = st->codec->coded_height;
729 ist->dec_ctx->flags |= CODEC_FLAG_EMU_EDGE;
733 // avformat_find_stream_info() doesn't set this for us anymore.
734 ist->dec_ctx->framerate = st->avg_frame_rate;
736 ist->resample_height = ist->dec_ctx->height;
737 ist->resample_width = ist->dec_ctx->width;
738 ist->resample_pix_fmt = ist->dec_ctx->pix_fmt;
740 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
741 if (framerate && av_parse_video_rate(&ist->framerate,
743 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
748 ist->top_field_first = -1;
749 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
751 MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
753 if (!strcmp(hwaccel, "none"))
754 ist->hwaccel_id = HWACCEL_NONE;
755 else if (!strcmp(hwaccel, "auto"))
756 ist->hwaccel_id = HWACCEL_AUTO;
759 for (i = 0; hwaccels[i].name; i++) {
760 if (!strcmp(hwaccels[i].name, hwaccel)) {
761 ist->hwaccel_id = hwaccels[i].id;
766 if (!ist->hwaccel_id) {
767 av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
769 av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
770 for (i = 0; hwaccels[i].name; i++)
771 av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name);
772 av_log(NULL, AV_LOG_FATAL, "\n");
778 MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
779 if (hwaccel_device) {
780 ist->hwaccel_device = av_strdup(hwaccel_device);
781 if (!ist->hwaccel_device)
785 MATCH_PER_STREAM_OPT(hwaccel_output_formats, str,
786 hwaccel_output_format, ic, st);
787 if (hwaccel_output_format) {
788 ist->hwaccel_output_format = av_get_pix_fmt(hwaccel_output_format);
789 if (ist->hwaccel_output_format == AV_PIX_FMT_NONE) {
790 av_log(NULL, AV_LOG_FATAL, "Unrecognised hwaccel output "
791 "format: %s", hwaccel_output_format);
794 ist->hwaccel_output_format = AV_PIX_FMT_NONE;
797 ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
800 case AVMEDIA_TYPE_AUDIO:
801 ist->guess_layout_max = INT_MAX;
802 MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
803 guess_input_channel_layout(ist);
805 ist->resample_sample_fmt = ist->dec_ctx->sample_fmt;
806 ist->resample_sample_rate = ist->dec_ctx->sample_rate;
807 ist->resample_channels = ist->dec_ctx->channels;
808 ist->resample_channel_layout = ist->dec_ctx->channel_layout;
811 case AVMEDIA_TYPE_DATA:
812 case AVMEDIA_TYPE_SUBTITLE: {
813 char *canvas_size = NULL;
815 ist->dec = avcodec_find_decoder(par->codec_id);
816 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
817 MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
819 av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
820 av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
825 case AVMEDIA_TYPE_ATTACHMENT:
826 case AVMEDIA_TYPE_UNKNOWN:
832 ret = avcodec_parameters_from_context(par, ist->dec_ctx);
834 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
840 static void assert_file_overwrite(const char *filename)
842 if (file_overwrite && no_file_overwrite) {
843 fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
847 if (!file_overwrite) {
848 const char *proto_name = avio_find_protocol_name(filename);
849 if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
850 if (stdin_interaction && !no_file_overwrite) {
851 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
854 signal(SIGINT, SIG_DFL);
856 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
862 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
869 static void dump_attachment(AVStream *st, const char *filename)
872 AVIOContext *out = NULL;
873 AVDictionaryEntry *e;
875 if (!st->codecpar->extradata_size) {
876 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
877 nb_input_files - 1, st->index);
880 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
883 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
884 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
888 assert_file_overwrite(filename);
890 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
891 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
896 avio_write(out, st->codecpar->extradata, st->codecpar->extradata_size);
901 static int open_input_file(OptionsContext *o, const char *filename)
905 AVInputFormat *file_iformat = NULL;
909 AVDictionary *unused_opts = NULL;
910 AVDictionaryEntry *e = NULL;
911 int orig_nb_streams; // number of streams before avformat_find_stream_info
912 char * video_codec_name = NULL;
913 char * audio_codec_name = NULL;
914 char *subtitle_codec_name = NULL;
915 char * data_codec_name = NULL;
916 int scan_all_pmts_set = 0;
919 if (!(file_iformat = av_find_input_format(o->format))) {
920 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
925 if (!strcmp(filename, "-"))
928 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
929 strcmp(filename, "/dev/stdin");
931 /* get default parameters from command line */
932 ic = avformat_alloc_context();
934 print_error(filename, AVERROR(ENOMEM));
937 if (o->nb_audio_sample_rate) {
938 av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
940 if (o->nb_audio_channels) {
941 /* because we set audio_channels based on both the "ac" and
942 * "channel_layout" options, we need to check that the specified
943 * demuxer actually has the "channels" option before setting it */
944 if (file_iformat && file_iformat->priv_class &&
945 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
946 AV_OPT_SEARCH_FAKE_OBJ)) {
947 av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
950 if (o->nb_frame_rates) {
951 /* set the format-level framerate option;
952 * this is important for video grabbers, e.g. x11 */
953 if (file_iformat && file_iformat->priv_class &&
954 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
955 AV_OPT_SEARCH_FAKE_OBJ)) {
956 av_dict_set(&o->g->format_opts, "framerate",
957 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
960 if (o->nb_frame_sizes) {
961 av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
963 if (o->nb_frame_pix_fmts)
964 av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
966 MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
967 MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
968 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
969 MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
971 ic->video_codec_id = video_codec_name ?
972 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
973 ic->audio_codec_id = audio_codec_name ?
974 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
975 ic->subtitle_codec_id= subtitle_codec_name ?
976 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
977 ic->data_codec_id = data_codec_name ?
978 find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0)->id : AV_CODEC_ID_NONE;
980 if (video_codec_name)
981 av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0));
982 if (audio_codec_name)
983 av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0));
984 if (subtitle_codec_name)
985 av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0));
987 av_format_set_data_codec(ic, find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0));
989 ic->flags |= AVFMT_FLAG_NONBLOCK;
990 ic->interrupt_callback = int_cb;
992 if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
993 av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
994 scan_all_pmts_set = 1;
996 /* open the input file with generic avformat function */
997 err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
999 print_error(filename, err);
1000 if (err == AVERROR_PROTOCOL_NOT_FOUND)
1001 av_log(NULL, AV_LOG_ERROR, "Did you mean file:%s?\n", filename);
1004 if (scan_all_pmts_set)
1005 av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
1006 remove_avoptions(&o->g->format_opts, o->g->codec_opts);
1007 assert_avoptions(o->g->format_opts);
1009 /* apply forced codec ids */
1010 for (i = 0; i < ic->nb_streams; i++)
1011 choose_decoder(o, ic, ic->streams[i]);
1013 /* Set AVCodecContext options for avformat_find_stream_info */
1014 opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
1015 orig_nb_streams = ic->nb_streams;
1017 /* If not enough info to get the stream parameters, we decode the
1018 first frames to get it. (used in mpeg case for example) */
1019 ret = avformat_find_stream_info(ic, opts);
1021 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
1022 if (ic->nb_streams == 0) {
1023 avformat_close_input(&ic);
1028 if (o->start_time_eof != AV_NOPTS_VALUE) {
1029 if (ic->duration>0) {
1030 o->start_time = o->start_time_eof + ic->duration;
1032 av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
1034 timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
1035 /* add the stream start time */
1036 if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
1037 timestamp += ic->start_time;
1039 /* if seeking requested, we execute it */
1040 if (o->start_time != AV_NOPTS_VALUE) {
1041 int64_t seek_timestamp = timestamp;
1043 if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
1044 int dts_heuristic = 0;
1045 for (i=0; i<ic->nb_streams; i++) {
1046 const AVCodecParameters *par = ic->streams[i]->codecpar;
1047 if (par->video_delay)
1050 if (dts_heuristic) {
1051 seek_timestamp -= 3*AV_TIME_BASE / 23;
1054 ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
1056 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
1057 filename, (double)timestamp / AV_TIME_BASE);
1061 /* update the current parameters so that they match the one of the input stream */
1062 add_input_streams(o, ic);
1064 /* dump the file content */
1065 av_dump_format(ic, nb_input_files, filename, 0);
1067 GROW_ARRAY(input_files, nb_input_files);
1068 f = av_mallocz(sizeof(*f));
1071 input_files[nb_input_files - 1] = f;
1074 f->ist_index = nb_input_streams - ic->nb_streams;
1075 f->start_time = o->start_time;
1076 f->recording_time = o->recording_time;
1077 f->input_ts_offset = o->input_ts_offset;
1078 f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
1079 f->nb_streams = ic->nb_streams;
1080 f->rate_emu = o->rate_emu;
1081 f->accurate_seek = o->accurate_seek;
1084 f->time_base = (AVRational){ 1, 1 };
1086 f->thread_queue_size = o->thread_queue_size > 0 ? o->thread_queue_size : 8;
1089 /* check if all codec options have been used */
1090 unused_opts = strip_specifiers(o->g->codec_opts);
1091 for (i = f->ist_index; i < nb_input_streams; i++) {
1093 while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
1094 AV_DICT_IGNORE_SUFFIX)))
1095 av_dict_set(&unused_opts, e->key, NULL, 0);
1099 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
1100 const AVClass *class = avcodec_get_class();
1101 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
1102 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1103 const AVClass *fclass = avformat_get_class();
1104 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
1105 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1106 if (!option || foption)
1110 if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
1111 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
1112 "input file #%d (%s) is not a decoding option.\n", e->key,
1113 option->help ? option->help : "", nb_input_files - 1,
1118 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
1119 "input file #%d (%s) has not been used for any stream. The most "
1120 "likely reason is either wrong type (e.g. a video option with "
1121 "no video streams) or that it is a private option of some decoder "
1122 "which was not actually used for any stream.\n", e->key,
1123 option->help ? option->help : "", nb_input_files - 1, filename);
1125 av_dict_free(&unused_opts);
1127 for (i = 0; i < o->nb_dump_attachment; i++) {
1130 for (j = 0; j < ic->nb_streams; j++) {
1131 AVStream *st = ic->streams[j];
1133 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
1134 dump_attachment(st, o->dump_attachment[i].u.str);
1138 for (i = 0; i < orig_nb_streams; i++)
1139 av_dict_free(&opts[i]);
1142 input_stream_potentially_available = 1;
1147 static uint8_t *get_line(AVIOContext *s)
1153 if (avio_open_dyn_buf(&line) < 0) {
1154 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
1158 while ((c = avio_r8(s)) && c != '\n')
1161 avio_close_dyn_buf(line, &buf);
1166 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
1169 char filename[1000];
1170 const char *base[3] = { getenv("AVCONV_DATADIR"),
1175 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
1179 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
1180 i != 1 ? "" : "/.avconv", codec_name, preset_name);
1181 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1184 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
1185 i != 1 ? "" : "/.avconv", preset_name);
1186 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1192 static int choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
1194 enum AVMediaType type = ost->st->codecpar->codec_type;
1195 char *codec_name = NULL;
1197 if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO || type == AVMEDIA_TYPE_SUBTITLE) {
1198 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
1200 ost->st->codecpar->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
1201 NULL, ost->st->codecpar->codec_type);
1202 ost->enc = avcodec_find_encoder(ost->st->codecpar->codec_id);
1204 av_log(NULL, AV_LOG_FATAL, "Automatic encoder selection failed for "
1205 "output stream #%d:%d. Default encoder for format %s (codec %s) is "
1206 "probably disabled. Please choose an encoder manually.\n",
1207 ost->file_index, ost->index, s->oformat->name,
1208 avcodec_get_name(ost->st->codecpar->codec_id));
1209 return AVERROR_ENCODER_NOT_FOUND;
1211 } else if (!strcmp(codec_name, "copy"))
1212 ost->stream_copy = 1;
1214 ost->enc = find_codec_or_die(codec_name, ost->st->codecpar->codec_type, 1);
1215 ost->st->codecpar->codec_id = ost->enc->id;
1217 ost->encoding_needed = !ost->stream_copy;
1219 /* no encoding supported for other media types */
1220 ost->stream_copy = 1;
1221 ost->encoding_needed = 0;
1227 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
1230 AVStream *st = avformat_new_stream(oc, NULL);
1231 int idx = oc->nb_streams - 1, ret = 0;
1232 const char *bsfs = NULL;
1233 char *next, *codec_tag = NULL;
1238 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
1242 if (oc->nb_streams - 1 < o->nb_streamid_map)
1243 st->id = o->streamid_map[oc->nb_streams - 1];
1245 GROW_ARRAY(output_streams, nb_output_streams);
1246 if (!(ost = av_mallocz(sizeof(*ost))))
1248 output_streams[nb_output_streams - 1] = ost;
1250 ost->file_index = nb_output_files - 1;
1253 st->codecpar->codec_type = type;
1255 ret = choose_encoder(o, oc, ost);
1257 av_log(NULL, AV_LOG_FATAL, "Error selecting an encoder for stream "
1258 "%d:%d\n", ost->file_index, ost->index);
1262 ost->enc_ctx = avcodec_alloc_context3(ost->enc);
1263 if (!ost->enc_ctx) {
1264 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
1267 ost->enc_ctx->codec_type = type;
1269 ost->ref_par = avcodec_parameters_alloc();
1270 if (!ost->ref_par) {
1271 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding parameters.\n");
1276 AVIOContext *s = NULL;
1277 char *buf = NULL, *arg = NULL, *preset = NULL;
1279 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
1281 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
1282 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
1285 if (!buf[0] || buf[0] == '#') {
1289 if (!(arg = strchr(buf, '='))) {
1290 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
1294 av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
1296 } while (!s->eof_reached);
1300 av_log(NULL, AV_LOG_FATAL,
1301 "Preset %s specified for stream %d:%d, but could not be opened.\n",
1302 preset, ost->file_index, ost->index);
1306 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
1309 ost->max_frames = INT64_MAX;
1310 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
1311 for (i = 0; i<o->nb_max_frames; i++) {
1312 char *p = o->max_frames[i].specifier;
1313 if (!*p && type != AVMEDIA_TYPE_VIDEO) {
1314 av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
1319 ost->copy_prior_start = -1;
1320 MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
1322 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsfs, oc, st);
1323 while (bsfs && *bsfs) {
1324 const AVBitStreamFilter *filter;
1325 char *bsf, *bsf_options_str, *bsf_name;
1327 bsf = av_get_token(&bsfs, ",");
1330 bsf_name = av_strtok(bsf, "=", &bsf_options_str);
1334 filter = av_bsf_get_by_name(bsf_name);
1336 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf_name);
1340 ost->bsf_ctx = av_realloc_array(ost->bsf_ctx,
1341 ost->nb_bitstream_filters + 1,
1342 sizeof(*ost->bsf_ctx));
1346 ret = av_bsf_alloc(filter, &ost->bsf_ctx[ost->nb_bitstream_filters]);
1348 av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
1352 ost->nb_bitstream_filters++;
1354 if (bsf_options_str && filter->priv_class) {
1355 const AVOption *opt = av_opt_next(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, NULL);
1356 const char * shorthand[2] = {NULL};
1359 shorthand[0] = opt->name;
1361 ret = av_opt_set_from_string(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, bsf_options_str, shorthand, "=", ":");
1363 av_log(NULL, AV_LOG_ERROR, "Error parsing options for bitstream filter %s\n", bsf_name);
1372 if (ost->nb_bitstream_filters) {
1373 ost->bsf_extradata_updated = av_mallocz_array(ost->nb_bitstream_filters, sizeof(*ost->bsf_extradata_updated));
1374 if (!ost->bsf_extradata_updated) {
1375 av_log(NULL, AV_LOG_FATAL, "Bitstream filter memory allocation failed\n");
1380 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
1382 uint32_t tag = strtol(codec_tag, &next, 0);
1384 tag = AV_RL32(codec_tag);
1385 ost->st->codecpar->codec_tag =
1386 ost->enc_ctx->codec_tag = tag;
1389 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
1391 ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
1392 ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
1395 MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
1396 ost->disposition = av_strdup(ost->disposition);
1398 ost->max_muxing_queue_size = 128;
1399 MATCH_PER_STREAM_OPT(max_muxing_queue_size, i, ost->max_muxing_queue_size, oc, st);
1400 ost->max_muxing_queue_size *= sizeof(AVPacket);
1402 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
1403 ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
1405 av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
1407 av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
1408 if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
1409 av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
1411 av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
1413 ost->source_index = source_index;
1414 if (source_index >= 0) {
1415 ost->sync_ist = input_streams[source_index];
1416 input_streams[source_index]->discard = 0;
1417 input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
1419 ost->last_mux_dts = AV_NOPTS_VALUE;
1421 ost->muxing_queue = av_fifo_alloc(8 * sizeof(AVPacket));
1422 if (!ost->muxing_queue)
1428 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1431 const char *p = str;
1438 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1445 /* read file contents into a string */
1446 static uint8_t *read_file(const char *filename)
1448 AVIOContext *pb = NULL;
1449 AVIOContext *dyn_buf = NULL;
1450 int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
1451 uint8_t buf[1024], *str;
1454 av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
1458 ret = avio_open_dyn_buf(&dyn_buf);
1463 while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
1464 avio_write(dyn_buf, buf, ret);
1465 avio_w8(dyn_buf, 0);
1468 ret = avio_close_dyn_buf(dyn_buf, &str);
1474 static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
1477 AVStream *st = ost->st;
1479 if (ost->filters_script && ost->filters) {
1480 av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
1481 "output stream #%d:%d.\n", nb_output_files, st->index);
1485 if (ost->filters_script)
1486 return read_file(ost->filters_script);
1487 else if (ost->filters)
1488 return av_strdup(ost->filters);
1490 return av_strdup(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ?
1494 static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
1495 const OutputStream *ost, enum AVMediaType type)
1497 if (ost->filters_script || ost->filters) {
1498 av_log(NULL, AV_LOG_ERROR,
1499 "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
1500 "Filtering and streamcopy cannot be used together.\n",
1501 ost->filters ? "Filtergraph" : "Filtergraph script",
1502 ost->filters ? ost->filters : ost->filters_script,
1503 av_get_media_type_string(type), ost->file_index, ost->index);
1508 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1512 AVCodecContext *video_enc;
1513 char *frame_rate = NULL, *frame_aspect_ratio = NULL;
1515 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1517 video_enc = ost->enc_ctx;
1519 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1520 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1521 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1524 if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
1525 av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
1527 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1528 if (frame_aspect_ratio) {
1530 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1531 q.num <= 0 || q.den <= 0) {
1532 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1535 ost->frame_aspect_ratio = q;
1538 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1539 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1541 if (!ost->stream_copy) {
1542 const char *p = NULL;
1543 char *frame_size = NULL;
1544 char *frame_pix_fmt = NULL;
1545 char *intra_matrix = NULL, *inter_matrix = NULL;
1546 char *chroma_intra_matrix = NULL;
1550 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1551 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1552 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1556 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1557 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1558 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1559 ost->keep_pix_fmt = 1;
1560 if (!*++frame_pix_fmt)
1561 frame_pix_fmt = NULL;
1563 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1564 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1567 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1570 video_enc->gop_size = 0;
1571 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1573 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1574 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1577 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1579 MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
1580 if (chroma_intra_matrix) {
1581 uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
1583 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1586 av_codec_set_chroma_intra_matrix(video_enc, p);
1587 parse_matrix_coeffs(p, chroma_intra_matrix);
1589 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1591 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1592 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1595 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1598 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1599 for (i = 0; p; i++) {
1601 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1603 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1606 video_enc->rc_override =
1607 av_realloc_array(video_enc->rc_override,
1608 i + 1, sizeof(RcOverride));
1609 if (!video_enc->rc_override) {
1610 av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
1613 video_enc->rc_override[i].start_frame = start;
1614 video_enc->rc_override[i].end_frame = end;
1616 video_enc->rc_override[i].qscale = q;
1617 video_enc->rc_override[i].quality_factor = 1.0;
1620 video_enc->rc_override[i].qscale = 0;
1621 video_enc->rc_override[i].quality_factor = -q/100.0;
1626 video_enc->rc_override_count = i;
1629 video_enc->flags|= AV_CODEC_FLAG_PSNR;
1632 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1635 video_enc->flags |= AV_CODEC_FLAG_PASS1;
1636 av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
1639 video_enc->flags |= AV_CODEC_FLAG_PASS2;
1640 av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
1644 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1645 if (ost->logfile_prefix &&
1646 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1650 char logfilename[1024];
1653 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1654 ost->logfile_prefix ? ost->logfile_prefix :
1655 DEFAULT_PASS_LOGFILENAME_PREFIX,
1657 if (!strcmp(ost->enc->name, "libx264")) {
1658 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1660 if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
1661 char *logbuffer = read_file(logfilename);
1664 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1668 video_enc->stats_in = logbuffer;
1670 if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
1671 f = av_fopen_utf8(logfilename, "wb");
1673 av_log(NULL, AV_LOG_FATAL,
1674 "Cannot write log file '%s' for pass-1 encoding: %s\n",
1675 logfilename, strerror(errno));
1683 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1684 if (ost->forced_keyframes)
1685 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1687 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1689 ost->top_field_first = -1;
1690 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1693 ost->avfilter = get_ost_filters(o, oc, ost);
1697 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1700 if (ost->stream_copy)
1701 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
1706 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1711 AVCodecContext *audio_enc;
1713 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1716 audio_enc = ost->enc_ctx;
1717 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1719 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1720 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1722 if (!ost->stream_copy) {
1723 char *sample_fmt = NULL;
1725 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1727 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1729 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1730 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1734 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1736 MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
1737 ost->apad = av_strdup(ost->apad);
1739 ost->avfilter = get_ost_filters(o, oc, ost);
1743 /* check for channel mapping for this audio stream */
1744 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1745 AudioChannelMap *map = &o->audio_channel_maps[n];
1746 if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1747 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1750 if (map->channel_idx == -1) {
1752 } else if (ost->source_index < 0) {
1753 av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
1754 ost->file_index, ost->st->index);
1757 ist = input_streams[ost->source_index];
1760 if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
1761 if (av_reallocp_array(&ost->audio_channels_map,
1762 ost->audio_channels_mapped + 1,
1763 sizeof(*ost->audio_channels_map)
1767 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1773 if (ost->stream_copy)
1774 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
1779 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1783 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1784 if (!ost->stream_copy) {
1785 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1792 static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1796 ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
1797 if (!ost->stream_copy) {
1798 av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
1805 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1807 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1808 ost->stream_copy = 1;
1813 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1817 AVCodecContext *subtitle_enc;
1819 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1821 subtitle_enc = ost->enc_ctx;
1823 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1825 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1827 if (!ost->stream_copy) {
1828 char *frame_size = NULL;
1830 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1831 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1832 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1840 /* arg format is "output-stream-index:streamid-value". */
1841 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1843 OptionsContext *o = optctx;
1848 av_strlcpy(idx_str, arg, sizeof(idx_str));
1849 p = strchr(idx_str, ':');
1851 av_log(NULL, AV_LOG_FATAL,
1852 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1857 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1858 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1859 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1863 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1865 AVFormatContext *is = ifile->ctx;
1866 AVFormatContext *os = ofile->ctx;
1870 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1872 return AVERROR(ENOMEM);
1875 for (i = 0; i < is->nb_chapters; i++) {
1876 AVChapter *in_ch = is->chapters[i], *out_ch;
1877 int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
1878 int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
1879 AV_TIME_BASE_Q, in_ch->time_base);
1880 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1881 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1884 if (in_ch->end < ts_off)
1886 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1889 out_ch = av_mallocz(sizeof(AVChapter));
1891 return AVERROR(ENOMEM);
1893 out_ch->id = in_ch->id;
1894 out_ch->time_base = in_ch->time_base;
1895 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1896 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1899 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1901 os->chapters[os->nb_chapters++] = out_ch;
1906 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1909 AVFormatContext *ic = avformat_alloc_context();
1911 ic->interrupt_callback = int_cb;
1912 err = avformat_open_input(&ic, filename, NULL, NULL);
1915 /* copy stream format */
1916 for(i=0;i<ic->nb_streams;i++) {
1920 const char *enc_config;
1922 codec = avcodec_find_encoder(ic->streams[i]->codecpar->codec_id);
1924 av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codecpar->codec_id);
1925 return AVERROR(EINVAL);
1927 if (codec->type == AVMEDIA_TYPE_AUDIO)
1928 opt_audio_codec(o, "c:a", codec->name);
1929 else if (codec->type == AVMEDIA_TYPE_VIDEO)
1930 opt_video_codec(o, "c:v", codec->name);
1931 ost = new_output_stream(o, s, codec->type, -1);
1934 avcodec_get_context_defaults3(st->codec, codec);
1935 enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
1937 AVDictionary *opts = NULL;
1938 av_dict_parse_string(&opts, enc_config, "=", ",", 0);
1939 av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
1940 av_dict_free(&opts);
1943 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1944 choose_sample_fmt(st, codec);
1945 else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1946 choose_pixel_fmt(st, st->codec, codec, st->codecpar->format);
1947 avcodec_copy_context(ost->enc_ctx, st->codec);
1949 av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
1952 avformat_close_input(&ic);
1956 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1957 AVFormatContext *oc)
1961 switch (ofilter->type) {
1962 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1963 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1965 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1970 ost->source_index = -1;
1971 ost->filter = ofilter;
1975 if (ost->stream_copy) {
1976 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1977 "which is fed from a complex filtergraph. Filtering and streamcopy "
1978 "cannot be used together.\n", ost->file_index, ost->index);
1982 if (ost->avfilter && (ost->filters || ost->filters_script)) {
1983 const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
1984 av_log(NULL, AV_LOG_ERROR,
1985 "%s '%s' was specified through the %s option "
1986 "for output stream %d:%d, which is fed from a complex filtergraph.\n"
1987 "%s and -filter_complex cannot be used together for the same stream.\n",
1988 ost->filters ? "Filtergraph" : "Filtergraph script",
1989 ost->filters ? ost->filters : ost->filters_script,
1990 opt, ost->file_index, ost->index, opt);
1994 avfilter_inout_free(&ofilter->out_tmp);
1997 static int init_complex_filters(void)
2001 for (i = 0; i < nb_filtergraphs; i++) {
2002 ret = init_complex_filtergraph(filtergraphs[i]);
2009 static int configure_complex_filters(void)
2013 for (i = 0; i < nb_filtergraphs; i++)
2014 if (!filtergraph_is_simple(filtergraphs[i]) &&
2015 (ret = configure_filtergraph(filtergraphs[i])) < 0)
2020 static int open_output_file(OptionsContext *o, const char *filename)
2022 AVFormatContext *oc;
2024 AVOutputFormat *file_oformat;
2028 AVDictionary *unused_opts = NULL;
2029 AVDictionaryEntry *e = NULL;
2032 if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
2033 o->stop_time = INT64_MAX;
2034 av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
2037 if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
2038 int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
2039 if (o->stop_time <= start_time) {
2040 av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
2043 o->recording_time = o->stop_time - start_time;
2047 GROW_ARRAY(output_files, nb_output_files);
2048 of = av_mallocz(sizeof(*of));
2051 output_files[nb_output_files - 1] = of;
2053 of->ost_index = nb_output_streams;
2054 of->recording_time = o->recording_time;
2055 of->start_time = o->start_time;
2056 of->limit_filesize = o->limit_filesize;
2057 of->shortest = o->shortest;
2058 av_dict_copy(&of->opts, o->g->format_opts, 0);
2060 if (!strcmp(filename, "-"))
2063 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
2065 print_error(filename, err);
2070 if (o->recording_time != INT64_MAX)
2071 oc->duration = o->recording_time;
2073 file_oformat= oc->oformat;
2074 oc->interrupt_callback = int_cb;
2076 /* create streams for all unlabeled output pads */
2077 for (i = 0; i < nb_filtergraphs; i++) {
2078 FilterGraph *fg = filtergraphs[i];
2079 for (j = 0; j < fg->nb_outputs; j++) {
2080 OutputFilter *ofilter = fg->outputs[j];
2082 if (!ofilter->out_tmp || ofilter->out_tmp->name)
2085 switch (ofilter->type) {
2086 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
2087 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
2088 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
2090 init_output_filter(ofilter, o, oc);
2094 /* ffserver seeking with date=... needs a date reference */
2095 if (!strcmp(file_oformat->name, "ffm") &&
2096 av_strstart(filename, "http:", NULL)) {
2097 int err = parse_option(o, "metadata", "creation_time=now", options);
2099 print_error(filename, err);
2104 if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
2105 av_strstart(filename, "http:", NULL)) {
2107 /* special case for files sent to ffserver: we get the stream
2108 parameters from ffserver */
2109 int err = read_ffserver_streams(o, oc, filename);
2111 print_error(filename, err);
2114 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
2115 ost = output_streams[j];
2116 for (i = 0; i < nb_input_streams; i++) {
2117 ist = input_streams[i];
2118 if(ist->st->codecpar->codec_type == ost->st->codecpar->codec_type){
2120 ost->source_index= i;
2121 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
2122 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
2124 ist->st->discard = ist->user_set_discard;
2129 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));
2133 } else if (!o->nb_stream_maps) {
2134 char *subtitle_codec_name = NULL;
2135 /* pick the "best" stream of each type */
2137 /* video: highest resolution */
2138 if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
2139 int area = 0, idx = -1;
2140 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
2141 for (i = 0; i < nb_input_streams; i++) {
2143 ist = input_streams[i];
2144 new_area = ist->st->codecpar->width * ist->st->codecpar->height + 100000000*!!ist->st->codec_info_nb_frames;
2145 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2147 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2149 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2156 new_video_stream(o, oc, idx);
2159 /* audio: most channels */
2160 if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
2161 int best_score = 0, idx = -1;
2162 for (i = 0; i < nb_input_streams; i++) {
2164 ist = input_streams[i];
2165 score = ist->st->codecpar->channels + 100000000*!!ist->st->codec_info_nb_frames;
2166 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
2167 score > best_score) {
2173 new_audio_stream(o, oc, idx);
2176 /* subtitles: pick first */
2177 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
2178 if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
2179 for (i = 0; i < nb_input_streams; i++)
2180 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2181 AVCodecDescriptor const *input_descriptor =
2182 avcodec_descriptor_get(input_streams[i]->st->codecpar->codec_id);
2183 AVCodecDescriptor const *output_descriptor = NULL;
2184 AVCodec const *output_codec =
2185 avcodec_find_encoder(oc->oformat->subtitle_codec);
2186 int input_props = 0, output_props = 0;
2188 output_descriptor = avcodec_descriptor_get(output_codec->id);
2189 if (input_descriptor)
2190 input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2191 if (output_descriptor)
2192 output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2193 if (subtitle_codec_name ||
2194 input_props & output_props ||
2195 // Map dvb teletext which has neither property to any output subtitle encoder
2196 input_descriptor && output_descriptor &&
2197 (!input_descriptor->props ||
2198 !output_descriptor->props)) {
2199 new_subtitle_stream(o, oc, i);
2204 /* Data only if codec id match */
2205 if (!o->data_disable ) {
2206 enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
2207 for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
2208 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_DATA
2209 && input_streams[i]->st->codecpar->codec_id == codec_id )
2210 new_data_stream(o, oc, i);
2214 for (i = 0; i < o->nb_stream_maps; i++) {
2215 StreamMap *map = &o->stream_maps[i];
2220 if (map->linklabel) {
2222 OutputFilter *ofilter = NULL;
2225 for (j = 0; j < nb_filtergraphs; j++) {
2226 fg = filtergraphs[j];
2227 for (k = 0; k < fg->nb_outputs; k++) {
2228 AVFilterInOut *out = fg->outputs[k]->out_tmp;
2229 if (out && !strcmp(out->name, map->linklabel)) {
2230 ofilter = fg->outputs[k];
2237 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
2238 "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
2241 init_output_filter(ofilter, o, oc);
2243 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
2245 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
2246 if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
2248 if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2250 if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2252 if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2256 switch (ist->st->codecpar->codec_type) {
2257 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
2258 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
2259 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
2260 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
2261 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
2262 case AVMEDIA_TYPE_UNKNOWN:
2263 if (copy_unknown_streams) {
2264 ost = new_unknown_stream (o, oc, src_idx);
2268 av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
2269 "Cannot map stream #%d:%d - unsupported type.\n",
2270 map->file_index, map->stream_index);
2271 if (!ignore_unknown_streams) {
2272 av_log(NULL, AV_LOG_FATAL,
2273 "If you want unsupported types ignored instead "
2274 "of failing, please use the -ignore_unknown option\n"
2275 "If you want them copied, please use -copy_unknown\n");
2280 ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
2281 + map->sync_stream_index];
2286 /* handle attached files */
2287 for (i = 0; i < o->nb_attachments; i++) {
2289 uint8_t *attachment;
2293 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
2294 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
2298 if ((len = avio_size(pb)) <= 0) {
2299 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
2303 if (!(attachment = av_malloc(len))) {
2304 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
2308 avio_read(pb, attachment, len);
2310 ost = new_attachment_stream(o, oc, -1);
2311 ost->stream_copy = 0;
2312 ost->attachment_filename = o->attachments[i];
2313 ost->st->codecpar->extradata = attachment;
2314 ost->st->codecpar->extradata_size = len;
2316 p = strrchr(o->attachments[i], '/');
2317 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
2321 #if FF_API_LAVF_AVCTX
2322 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
2323 AVDictionaryEntry *e;
2324 ost = output_streams[i];
2326 if ((ost->stream_copy || ost->attachment_filename)
2327 && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
2328 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
2329 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
2334 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2335 av_dump_format(oc, nb_output_files - 1, oc->filename, 1);
2336 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
2340 /* check if all codec options have been used */
2341 unused_opts = strip_specifiers(o->g->codec_opts);
2342 for (i = of->ost_index; i < nb_output_streams; i++) {
2344 while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
2345 AV_DICT_IGNORE_SUFFIX)))
2346 av_dict_set(&unused_opts, e->key, NULL, 0);
2350 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
2351 const AVClass *class = avcodec_get_class();
2352 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
2353 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2354 const AVClass *fclass = avformat_get_class();
2355 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
2356 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2357 if (!option || foption)
2361 if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
2362 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
2363 "output file #%d (%s) is not an encoding option.\n", e->key,
2364 option->help ? option->help : "", nb_output_files - 1,
2369 // gop_timecode is injected by generic code but not always used
2370 if (!strcmp(e->key, "gop_timecode"))
2373 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
2374 "output file #%d (%s) has not been used for any stream. The most "
2375 "likely reason is either wrong type (e.g. a video option with "
2376 "no video streams) or that it is a private option of some encoder "
2377 "which was not actually used for any stream.\n", e->key,
2378 option->help ? option->help : "", nb_output_files - 1, filename);
2380 av_dict_free(&unused_opts);
2382 /* set the decoding_needed flags and create simple filtergraphs */
2383 for (i = of->ost_index; i < nb_output_streams; i++) {
2384 OutputStream *ost = output_streams[i];
2386 if (ost->encoding_needed && ost->source_index >= 0) {
2387 InputStream *ist = input_streams[ost->source_index];
2388 ist->decoding_needed |= DECODING_FOR_OST;
2390 if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
2391 ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2392 err = init_simple_filtergraph(ist, ost);
2394 av_log(NULL, AV_LOG_ERROR,
2395 "Error initializing a simple filtergraph between streams "
2396 "%d:%d->%d:%d\n", ist->file_index, ost->source_index,
2397 nb_output_files - 1, ost->st->index);
2404 /* check filename in case of an image number is expected */
2405 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2406 if (!av_filename_number_test(oc->filename)) {
2407 print_error(oc->filename, AVERROR(EINVAL));
2412 if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
2413 av_log(NULL, AV_LOG_ERROR,
2414 "No input streams but output needs an input stream\n");
2418 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2419 /* test if it already exists to avoid losing precious files */
2420 assert_file_overwrite(filename);
2423 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
2424 &oc->interrupt_callback,
2426 print_error(filename, err);
2429 } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
2430 assert_file_overwrite(filename);
2432 if (o->mux_preload) {
2433 av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
2435 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
2438 for (i = 0; i < o->nb_metadata_map; i++) {
2440 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
2442 if (in_file_index >= nb_input_files) {
2443 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
2446 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
2447 in_file_index >= 0 ?
2448 input_files[in_file_index]->ctx : NULL, o);
2452 if (o->chapters_input_file >= nb_input_files) {
2453 if (o->chapters_input_file == INT_MAX) {
2454 /* copy chapters from the first input file that has them*/
2455 o->chapters_input_file = -1;
2456 for (i = 0; i < nb_input_files; i++)
2457 if (input_files[i]->ctx->nb_chapters) {
2458 o->chapters_input_file = i;
2462 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
2463 o->chapters_input_file);
2467 if (o->chapters_input_file >= 0)
2468 copy_chapters(input_files[o->chapters_input_file], of,
2469 !o->metadata_chapters_manual);
2471 /* copy global metadata by default */
2472 if (!o->metadata_global_manual && nb_input_files){
2473 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
2474 AV_DICT_DONT_OVERWRITE);
2475 if(o->recording_time != INT64_MAX)
2476 av_dict_set(&oc->metadata, "duration", NULL, 0);
2477 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
2479 if (!o->metadata_streams_manual)
2480 for (i = of->ost_index; i < nb_output_streams; i++) {
2482 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
2484 ist = input_streams[output_streams[i]->source_index];
2485 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
2486 if (!output_streams[i]->stream_copy) {
2487 av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
2488 if (ist->autorotate)
2489 av_dict_set(&output_streams[i]->st->metadata, "rotate", NULL, 0);
2493 /* process manually set programs */
2494 for (i = 0; i < o->nb_program; i++) {
2495 const char *p = o->program[i].u.str;
2500 const char *p2 = av_get_token(&p, ":");
2501 const char *to_dealloc = p2;
2508 key = av_get_token(&p2, "=");
2510 av_freep(&to_dealloc);
2516 if (!strcmp(key, "program_num"))
2517 progid = strtol(p2, NULL, 0);
2518 av_freep(&to_dealloc);
2522 program = av_new_program(oc, progid);
2524 p = o->program[i].u.str;
2526 const char *p2 = av_get_token(&p, ":");
2527 const char *to_dealloc = p2;
2533 key = av_get_token(&p2, "=");
2535 av_log(NULL, AV_LOG_FATAL,
2536 "No '=' character in program string %s.\n",
2544 if (!strcmp(key, "title")) {
2545 av_dict_set(&program->metadata, "title", p2, 0);
2546 } else if (!strcmp(key, "program_num")) {
2547 } else if (!strcmp(key, "st")) {
2548 int st_num = strtol(p2, NULL, 0);
2549 av_program_add_stream_index(oc, progid, st_num);
2551 av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
2554 av_freep(&to_dealloc);
2559 /* process manually set metadata */
2560 for (i = 0; i < o->nb_metadata; i++) {
2563 const char *stream_spec;
2564 int index = 0, j, ret = 0;
2566 val = strchr(o->metadata[i].u.str, '=');
2568 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
2569 o->metadata[i].u.str);
2574 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
2576 for (j = 0; j < oc->nb_streams; j++) {
2577 ost = output_streams[nb_output_streams - oc->nb_streams + j];
2578 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
2579 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
2580 if (!strcmp(o->metadata[i].u.str, "rotate")) {
2581 ost->rotate_overridden = 1;
2593 if (index < 0 || index >= oc->nb_chapters) {
2594 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
2597 m = &oc->chapters[index]->metadata;
2600 if (index < 0 || index >= oc->nb_programs) {
2601 av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
2604 m = &oc->programs[index]->metadata;
2607 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
2610 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
2617 static int opt_target(void *optctx, const char *opt, const char *arg)
2619 OptionsContext *o = optctx;
2620 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
2621 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
2623 if (!strncmp(arg, "pal-", 4)) {
2626 } else if (!strncmp(arg, "ntsc-", 5)) {
2629 } else if (!strncmp(arg, "film-", 5)) {
2633 /* Try to determine PAL/NTSC by peeking in the input files */
2634 if (nb_input_files) {
2636 for (j = 0; j < nb_input_files; j++) {
2637 for (i = 0; i < input_files[j]->nb_streams; i++) {
2638 AVStream *st = input_files[j]->ctx->streams[i];
2639 if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
2641 fr = st->time_base.den * 1000 / st->time_base.num;
2645 } else if ((fr == 29970) || (fr == 23976)) {
2650 if (norm != UNKNOWN)
2654 if (norm != UNKNOWN)
2655 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
2658 if (norm == UNKNOWN) {
2659 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
2660 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
2661 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
2665 if (!strcmp(arg, "vcd")) {
2666 opt_video_codec(o, "c:v", "mpeg1video");
2667 opt_audio_codec(o, "c:a", "mp2");
2668 parse_option(o, "f", "vcd", options);
2670 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
2671 parse_option(o, "r", frame_rates[norm], options);
2672 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2674 opt_default(NULL, "b:v", "1150000");
2675 opt_default(NULL, "maxrate:v", "1150000");
2676 opt_default(NULL, "minrate:v", "1150000");
2677 opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
2679 opt_default(NULL, "b:a", "224000");
2680 parse_option(o, "ar", "44100", options);
2681 parse_option(o, "ac", "2", options);
2683 opt_default(NULL, "packetsize", "2324");
2684 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
2686 /* We have to offset the PTS, so that it is consistent with the SCR.
2687 SCR starts at 36000, but the first two packs contain only padding
2688 and the first pack from the other stream, respectively, may also have
2689 been written before.
2690 So the real data starts at SCR 36000+3*1200. */
2691 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
2692 } else if (!strcmp(arg, "svcd")) {
2694 opt_video_codec(o, "c:v", "mpeg2video");
2695 opt_audio_codec(o, "c:a", "mp2");
2696 parse_option(o, "f", "svcd", options);
2698 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
2699 parse_option(o, "r", frame_rates[norm], options);
2700 parse_option(o, "pix_fmt", "yuv420p", options);
2701 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2703 opt_default(NULL, "b:v", "2040000");
2704 opt_default(NULL, "maxrate:v", "2516000");
2705 opt_default(NULL, "minrate:v", "0"); // 1145000;
2706 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2707 opt_default(NULL, "scan_offset", "1");
2709 opt_default(NULL, "b:a", "224000");
2710 parse_option(o, "ar", "44100", options);
2712 opt_default(NULL, "packetsize", "2324");
2714 } else if (!strcmp(arg, "dvd")) {
2716 opt_video_codec(o, "c:v", "mpeg2video");
2717 opt_audio_codec(o, "c:a", "ac3");
2718 parse_option(o, "f", "dvd", options);
2720 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2721 parse_option(o, "r", frame_rates[norm], options);
2722 parse_option(o, "pix_fmt", "yuv420p", options);
2723 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2725 opt_default(NULL, "b:v", "6000000");
2726 opt_default(NULL, "maxrate:v", "9000000");
2727 opt_default(NULL, "minrate:v", "0"); // 1500000;
2728 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2730 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
2731 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
2733 opt_default(NULL, "b:a", "448000");
2734 parse_option(o, "ar", "48000", options);
2736 } else if (!strncmp(arg, "dv", 2)) {
2738 parse_option(o, "f", "dv", options);
2740 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2741 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
2742 norm == PAL ? "yuv420p" : "yuv411p", options);
2743 parse_option(o, "r", frame_rates[norm], options);
2745 parse_option(o, "ar", "48000", options);
2746 parse_option(o, "ac", "2", options);
2749 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
2750 return AVERROR(EINVAL);
2753 av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
2754 av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
2759 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
2761 av_free (vstats_filename);
2762 vstats_filename = av_strdup (arg);
2766 static int opt_vstats(void *optctx, const char *opt, const char *arg)
2769 time_t today2 = time(NULL);
2770 struct tm *today = localtime(&today2);
2772 if (!today) { // maybe tomorrow
2773 av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
2777 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
2779 return opt_vstats_file(NULL, opt, filename);
2782 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
2784 OptionsContext *o = optctx;
2785 return parse_option(o, "frames:v", arg, options);
2788 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
2790 OptionsContext *o = optctx;
2791 return parse_option(o, "frames:a", arg, options);
2794 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
2796 OptionsContext *o = optctx;
2797 return parse_option(o, "frames:d", arg, options);
2800 static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
2803 AVDictionary *cbak = codec_opts;
2804 AVDictionary *fbak = format_opts;
2808 ret = opt_default(NULL, opt, arg);
2810 av_dict_copy(&o->g->codec_opts , codec_opts, 0);
2811 av_dict_copy(&o->g->format_opts, format_opts, 0);
2812 av_dict_free(&codec_opts);
2813 av_dict_free(&format_opts);
2820 static int opt_preset(void *optctx, const char *opt, const char *arg)
2822 OptionsContext *o = optctx;
2824 char filename[1000], line[1000], tmp_line[1000];
2825 const char *codec_name = NULL;
2829 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
2831 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
2832 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
2833 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
2835 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
2839 while (fgets(line, sizeof(line), f)) {
2840 char *key = tmp_line, *value, *endptr;
2842 if (strcspn(line, "#\n\r") == 0)
2844 av_strlcpy(tmp_line, line, sizeof(tmp_line));
2845 if (!av_strtok(key, "=", &value) ||
2846 !av_strtok(value, "\r\n", &endptr)) {
2847 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
2850 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
2852 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
2853 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
2854 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
2855 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
2856 else if (opt_default_new(o, key, value) < 0) {
2857 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
2858 filename, line, key, value);
2868 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2870 OptionsContext *o = optctx;
2871 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2872 int ret = parse_option(o, s, arg, options);
2877 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2879 OptionsContext *o = optctx;
2881 if(!strcmp(opt, "ab")){
2882 av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
2884 } else if(!strcmp(opt, "b")){
2885 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2886 av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
2889 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2893 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2895 OptionsContext *o = optctx;
2898 if(!strcmp(opt, "qscale")){
2899 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2900 return parse_option(o, "q:v", arg, options);
2902 s = av_asprintf("q%s", opt + 6);
2903 ret = parse_option(o, s, arg, options);
2908 static int opt_profile(void *optctx, const char *opt, const char *arg)
2910 OptionsContext *o = optctx;
2911 if(!strcmp(opt, "profile")){
2912 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2913 av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
2916 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2920 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2922 OptionsContext *o = optctx;
2923 return parse_option(o, "filter:v", arg, options);
2926 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
2928 OptionsContext *o = optctx;
2929 return parse_option(o, "filter:a", arg, options);
2932 static int opt_vsync(void *optctx, const char *opt, const char *arg)
2934 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2935 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
2936 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
2937 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
2939 if (video_sync_method == VSYNC_AUTO)
2940 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
2944 static int opt_timecode(void *optctx, const char *opt, const char *arg)
2946 OptionsContext *o = optctx;
2947 char *tcr = av_asprintf("timecode=%s", arg);
2948 int ret = parse_option(o, "metadata:g", tcr, options);
2950 ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
2955 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
2957 OptionsContext *o = optctx;
2958 char layout_str[32];
2961 int ret, channels, ac_str_size;
2964 layout = av_get_channel_layout(arg);
2966 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
2967 return AVERROR(EINVAL);
2969 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
2970 ret = opt_default_new(o, opt, layout_str);
2974 /* set 'ac' option based on channel layout */
2975 channels = av_get_channel_layout_nb_channels(layout);
2976 snprintf(layout_str, sizeof(layout_str), "%d", channels);
2977 stream_str = strchr(opt, ':');
2978 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
2979 ac_str = av_mallocz(ac_str_size);
2981 return AVERROR(ENOMEM);
2982 av_strlcpy(ac_str, "ac", 3);
2984 av_strlcat(ac_str, stream_str, ac_str_size);
2985 ret = parse_option(o, ac_str, layout_str, options);
2991 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
2993 OptionsContext *o = optctx;
2994 return parse_option(o, "q:a", arg, options);
2997 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
2999 GROW_ARRAY(filtergraphs, nb_filtergraphs);
3000 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
3001 return AVERROR(ENOMEM);
3002 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
3003 filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
3004 if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
3005 return AVERROR(ENOMEM);
3007 input_stream_potentially_available = 1;
3012 static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
3014 uint8_t *graph_desc = read_file(arg);
3016 return AVERROR(EINVAL);
3018 GROW_ARRAY(filtergraphs, nb_filtergraphs);
3019 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
3020 return AVERROR(ENOMEM);
3021 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
3022 filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
3024 input_stream_potentially_available = 1;
3029 void show_help_default(const char *opt, const char *arg)
3031 /* per-file options have at least one of those set */
3032 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
3033 int show_advanced = 0, show_avoptions = 0;
3036 if (!strcmp(opt, "long"))
3038 else if (!strcmp(opt, "full"))
3039 show_advanced = show_avoptions = 1;
3041 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
3046 printf("Getting help:\n"
3047 " -h -- print basic options\n"
3048 " -h long -- print more options\n"
3049 " -h full -- print all options (including all format and codec specific options, very long)\n"
3050 " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter\n"
3051 " See man %s for detailed description of the options.\n"
3052 "\n", program_name);
3054 show_help_options(options, "Print help / information / capabilities:",
3057 show_help_options(options, "Global options (affect whole program "
3058 "instead of just one file:",
3059 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
3061 show_help_options(options, "Advanced global options:", OPT_EXPERT,
3062 per_file | OPT_EXIT, 0);
3064 show_help_options(options, "Per-file main options:", 0,
3065 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
3066 OPT_EXIT, per_file);
3068 show_help_options(options, "Advanced per-file options:",
3069 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
3071 show_help_options(options, "Video options:",
3072 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
3074 show_help_options(options, "Advanced Video options:",
3075 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
3077 show_help_options(options, "Audio options:",
3078 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
3080 show_help_options(options, "Advanced Audio options:",
3081 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
3082 show_help_options(options, "Subtitle options:",
3083 OPT_SUBTITLE, 0, 0);
3086 if (show_avoptions) {
3087 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
3088 show_help_children(avcodec_get_class(), flags);
3089 show_help_children(avformat_get_class(), flags);
3091 show_help_children(sws_get_class(), flags);
3093 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
3094 show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
3098 void show_usage(void)
3100 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
3101 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3102 av_log(NULL, AV_LOG_INFO, "\n");
3110 static const OptionGroupDef groups[] = {
3111 [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT },
3112 [GROUP_INFILE] = { "input file", "i", OPT_INPUT },
3115 static int open_files(OptionGroupList *l, const char *inout,
3116 int (*open_file)(OptionsContext*, const char*))
3120 for (i = 0; i < l->nb_groups; i++) {
3121 OptionGroup *g = &l->groups[i];
3127 ret = parse_optgroup(&o, g);
3129 av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
3130 "%s.\n", inout, g->arg);
3134 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
3135 ret = open_file(&o, g->arg);
3138 av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
3142 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
3148 int ffmpeg_parse_options(int argc, char **argv)
3150 OptionParseContext octx;
3154 memset(&octx, 0, sizeof(octx));
3156 /* split the commandline into an internal representation */
3157 ret = split_commandline(&octx, argc, argv, options, groups,
3158 FF_ARRAY_ELEMS(groups));
3160 av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
3164 /* apply global options */
3165 ret = parse_optgroup(NULL, &octx.global_opts);
3167 av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
3171 /* configure terminal and setup signal handlers */
3174 /* open input files */
3175 ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
3177 av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
3181 /* create the complex filtergraphs */
3182 ret = init_complex_filters();
3184 av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
3188 /* open output files */
3189 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
3191 av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
3195 /* configure the complex filtergraphs */
3196 ret = configure_complex_filters();
3198 av_log(NULL, AV_LOG_FATAL, "Error configuring complex filters.\n");
3203 uninit_parse_context(&octx);
3205 av_strerror(ret, error, sizeof(error));
3206 av_log(NULL, AV_LOG_FATAL, "%s\n", error);
3211 static int opt_progress(void *optctx, const char *opt, const char *arg)
3213 AVIOContext *avio = NULL;
3216 if (!strcmp(arg, "-"))
3218 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
3220 av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
3221 arg, av_err2str(ret));
3224 progress_avio = avio;
3228 #define OFFSET(x) offsetof(OptionsContext, x)
3229 const OptionDef options[] = {
3231 #include "cmdutils_common_opts.h"
3232 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
3233 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
3234 "force format", "fmt" },
3235 { "y", OPT_BOOL, { &file_overwrite },
3236 "overwrite output files" },
3237 { "n", OPT_BOOL, { &no_file_overwrite },
3238 "never overwrite output files" },
3239 { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
3240 "Ignore unknown stream types" },
3241 { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
3242 "Copy unknown stream types" },
3243 { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
3244 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3245 "codec name", "codec" },
3246 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
3247 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3248 "codec name", "codec" },
3249 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
3250 OPT_OUTPUT, { .off = OFFSET(presets) },
3251 "preset name", "preset" },
3252 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3253 OPT_OUTPUT, { .func_arg = opt_map },
3254 "set input stream mapping",
3255 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
3256 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
3257 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
3258 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
3259 OPT_OUTPUT, { .off = OFFSET(metadata_map) },
3260 "set metadata information of outfile from infile",
3261 "outfile[,metadata]:infile[,metadata]" },
3262 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
3263 OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
3264 "set chapters mapping", "input_file_index" },
3265 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
3266 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
3267 "record or transcode \"duration\" seconds of audio/video",
3269 { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
3270 "record or transcode stop time", "time_stop" },
3271 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
3272 "set the limit file size in bytes", "limit_size" },
3273 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
3274 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
3275 "set the start time offset", "time_off" },
3276 { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
3277 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time_eof) },
3278 "set the start time offset relative to EOF", "time_off" },
3279 { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
3280 OPT_INPUT, { .off = OFFSET(seek_timestamp) },
3281 "enable/disable seeking by timestamp with -ss" },
3282 { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
3283 OPT_INPUT, { .off = OFFSET(accurate_seek) },
3284 "enable/disable accurate seeking with -ss" },
3285 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
3286 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
3287 "set the input ts offset", "time_off" },
3288 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
3289 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
3290 "set the input ts scale", "scale" },
3291 { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
3292 "set the recording timestamp ('now' to set the current time)", "time" },
3293 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
3294 "add metadata", "string=string" },
3295 { "program", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(program) },
3296 "add program with specified streams", "title=string:st=number..." },
3297 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3298 OPT_OUTPUT, { .func_arg = opt_data_frames },
3299 "set the number of data frames to output", "number" },
3300 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
3301 "add timings for benchmarking" },
3302 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
3303 "add timings for each task" },
3304 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
3305 "write program-readable progress information", "url" },
3306 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
3307 "enable or disable interaction on standard input" },
3308 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
3309 "set max runtime in seconds", "limit" },
3310 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
3311 "dump each input packet" },
3312 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
3313 "when dumping packets, also dump the payload" },
3314 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3315 OPT_INPUT, { .off = OFFSET(rate_emu) },
3316 "read input at native frame rate", "" },
3317 { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
3318 "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
3319 "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
3320 { "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
3321 "video sync method", "" },
3322 { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
3323 "frame drop threshold", "" },
3324 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
3325 "audio sync method", "" },
3326 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
3327 "audio drift threshold", "threshold" },
3328 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
3329 "copy timestamps" },
3330 { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
3331 "shift input timestamps to start at 0 when using copyts" },
3332 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
3333 "copy input stream time base when stream copying", "mode" },
3334 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3335 OPT_OUTPUT, { .off = OFFSET(shortest) },
3336 "finish encoding within shortest input" },
3337 { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
3338 OPT_OUTPUT, { .off = OFFSET(apad) },
3340 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
3341 "timestamp discontinuity delta threshold", "threshold" },
3342 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
3343 "timestamp error delta threshold", "threshold" },
3344 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
3345 "exit on error", "error" },
3346 { "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
3347 "abort on the specified condition flags", "flags" },
3348 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3349 OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
3350 "copy initial non-keyframes" },
3351 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
3352 "copy or discard frames before start time" },
3353 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
3354 "set the number of frames to output", "number" },
3355 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
3356 OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
3357 "force codec tag/fourcc", "fourcc/tag" },
3358 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
3359 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
3360 "use fixed quality scale (VBR)", "q" },
3361 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3362 OPT_OUTPUT, { .func_arg = opt_qscale },
3363 "use fixed quality scale (VBR)", "q" },
3364 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
3365 "set profile", "profile" },
3366 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
3367 "set stream filtergraph", "filter_graph" },
3368 { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
3369 "read stream filtergraph description from a file", "filename" },
3370 { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
3371 "reinit filtergraph on input parameter changes", "" },
3372 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3373 "create a complex filtergraph", "graph_description" },
3374 { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3375 "create a complex filtergraph", "graph_description" },
3376 { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
3377 "read complex filtergraph description from a file", "filename" },
3378 { "stats", OPT_BOOL, { &print_stats },
3379 "print progress report during encoding", },
3380 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3381 OPT_OUTPUT, { .func_arg = opt_attach },
3382 "add an attachment to the output file", "filename" },
3383 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
3384 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
3385 "extract an attachment into a file", "filename" },
3386 { "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
3387 OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
3388 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
3389 "print timestamp debugging info" },
3390 { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
3391 "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
3392 { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
3393 OPT_INPUT, { .off = OFFSET(discard) },
3395 { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
3396 OPT_OUTPUT, { .off = OFFSET(disposition) },
3397 "disposition", "" },
3398 { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
3399 { .off = OFFSET(thread_queue_size) },
3400 "set the maximum number of queued packets from the demuxer" },
3403 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
3404 "set the number of video frames to output", "number" },
3405 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3406 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
3407 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3408 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
3409 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
3410 "set frame size (WxH or abbreviation)", "size" },
3411 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3412 OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
3413 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3414 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3415 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
3416 "set pixel format", "format" },
3417 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
3418 "set the number of bits per raw sample", "number" },
3419 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
3420 "deprecated use -g 1" },
3421 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
3423 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3424 OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
3425 "rate control override for specific intervals", "override" },
3426 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
3427 OPT_OUTPUT, { .func_arg = opt_video_codec },
3428 "force video codec ('copy' to copy stream)", "codec" },
3429 { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3431 { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3433 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
3434 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
3435 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
3436 "select the pass number (1 to 3)", "n" },
3437 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
3438 OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
3439 "select two pass log file name prefix", "prefix" },
3440 { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
3441 "this option is deprecated, use the yadif filter instead" },
3442 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
3443 "calculate PSNR of compressed frames" },
3444 { "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
3445 "dump video coding statistics to file" },
3446 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
3447 "dump video coding statistics to file", "file" },
3448 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
3449 "set video filters", "filter_graph" },
3450 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3451 OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
3452 "specify intra matrix coeffs", "matrix" },
3453 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3454 OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
3455 "specify inter matrix coeffs", "matrix" },
3456 { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3457 OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
3458 "specify intra matrix coeffs", "matrix" },
3459 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
3460 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
3461 "top=1/bottom=0/auto=-1 field first", "" },
3462 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3463 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
3464 "force video tag/fourcc", "fourcc/tag" },
3465 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
3466 "show QP histogram" },
3467 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3468 OPT_OUTPUT, { .off = OFFSET(force_fps) },
3469 "force the selected framerate, disable the best supported framerate selection" },
3470 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3471 OPT_OUTPUT, { .func_arg = opt_streamid },
3472 "set the value of an outfile streamid", "streamIndex:value" },
3473 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3474 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
3475 "force key frames at specified timestamps", "timestamps" },
3476 { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3477 "audio bitrate (please use -b:a)", "bitrate" },
3478 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3479 "video bitrate (please use -b:v)", "bitrate" },
3480 { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3481 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
3482 "use HW accelerated decoding", "hwaccel name" },
3483 { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3484 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
3485 "select a device for HW acceleration", "devicename" },
3486 { "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3487 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
3488 "select output format used with HW accelerated decoding", "format" },
3489 #if CONFIG_VDA || CONFIG_VIDEOTOOLBOX
3490 { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
3492 { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
3493 "show available HW acceleration methods" },
3494 { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
3495 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
3496 "automatically insert correct rotate filters" },
3497 { "hwaccel_lax_profile_check", OPT_BOOL | OPT_EXPERT, { &hwaccel_lax_profile_check},
3498 "attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream" },
3501 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
3502 "set the number of audio frames to output", "number" },
3503 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
3504 "set audio quality (codec-specific)", "quality", },
3505 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3506 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
3507 "set audio sampling rate (in Hz)", "rate" },
3508 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3509 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
3510 "set number of audio channels", "channels" },
3511 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
3513 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
3514 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
3515 "force audio codec ('copy' to copy stream)", "codec" },
3516 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3517 OPT_OUTPUT, { .func_arg = opt_old2new },
3518 "force audio tag/fourcc", "fourcc/tag" },
3519 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
3520 "change audio volume (256=normal)" , "volume" },
3521 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
3522 OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
3523 "set sample format", "format" },
3524 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3525 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
3526 "set channel layout", "layout" },
3527 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
3528 "set audio filters", "filter_graph" },
3529 { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
3530 "set the maximum number of channels to try to guess the channel layout" },
3532 /* subtitle options */
3533 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
3534 "disable subtitle" },
3535 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
3536 "force subtitle codec ('copy' to copy stream)", "codec" },
3537 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
3538 , "force subtitle tag/fourcc", "fourcc/tag" },
3539 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
3540 "fix subtitles duration" },
3541 { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
3542 "set canvas size (WxH or abbreviation)", "size" },
3545 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
3546 "deprecated, use -channel", "channel" },
3547 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
3548 "deprecated, use -standard", "standard" },
3549 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
3552 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
3553 "set the maximum demux-decode delay", "seconds" },
3554 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
3555 "set the initial demux-decode delay", "seconds" },
3556 { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
3557 "override the options from ffserver", "" },
3558 { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
3559 "specify a file in which to print sdp information", "file" },
3561 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
3562 "A comma-separated list of bitstream filters", "bitstream_filters" },
3563 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3564 "deprecated", "audio bitstream_filters" },
3565 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3566 "deprecated", "video bitstream_filters" },
3568 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3569 "set the audio options to the indicated preset", "preset" },
3570 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3571 "set the video options to the indicated preset", "preset" },
3572 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3573 "set the subtitle options to the indicated preset", "preset" },
3574 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3575 "set options from indicated preset file", "filename" },
3577 { "max_muxing_queue_size", HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(max_muxing_queue_size) },
3578 "maximum number of packets that can be buffered while waiting for all streams to initialize", "packets" },
3580 /* data codec support */
3581 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
3582 "force data codec ('copy' to copy stream)", "codec" },
3583 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
3587 { "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
3588 "set VAAPI hardware device (DRM path or X11 display name)", "device" },