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"
31 #include "libavfilter/avfiltergraph.h"
33 #include "libavutil/audioconvert.h"
34 #include "libavutil/avassert.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/avutil.h"
37 #include "libavutil/intreadwrite.h"
38 #include "libavutil/fifo.h"
39 #include "libavutil/mathematics.h"
40 #include "libavutil/opt.h"
41 #include "libavutil/parseutils.h"
42 #include "libavutil/pixdesc.h"
43 #include "libavutil/pixfmt.h"
45 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
48 for (i = 0; i < o->nb_ ## name; i++) {\
49 char *spec = o->name[i].specifier;\
50 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
51 outvar = o->name[i].u.type;\
57 const char *pass_logfilename_prefix;
58 char *vstats_filename;
60 float audio_drift_threshold = 0.1;
61 float dts_delta_threshold = 10;
62 float dts_error_threshold = 3600*30;
64 int audio_volume = 256;
65 int audio_sync_method = 0;
66 int video_sync_method = VSYNC_AUTO;
67 int do_deinterlace = 0;
69 int do_benchmark_all = 0;
76 int exit_on_error = 0;
80 int stdin_interaction = 1;
81 int frame_bits_per_raw_sample = 0;
84 static int intra_only = 0;
85 static const char *video_codec_name = NULL;
86 static const char *audio_codec_name = NULL;
87 static const char *subtitle_codec_name = NULL;
88 static int file_overwrite = 0;
89 static int no_file_overwrite = 0;
90 static int video_discard = 0;
91 static int intra_dc_precision = 8;
92 static int do_psnr = 0;
93 static int do_pass = 0;
94 static int input_sync;
96 void reset_options(OptionsContext *o, int is_input)
98 const OptionDef *po = options;
99 OptionsContext bak= *o;
102 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
104 void *dst = (uint8_t*)o + po->u.off;
106 if (po->flags & OPT_SPEC) {
107 SpecifierOpt **so = dst;
108 int i, *count = (int*)(so + 1);
109 for (i = 0; i < *count; i++) {
110 av_freep(&(*so)[i].specifier);
111 if (po->flags & OPT_STRING)
112 av_freep(&(*so)[i].u.str);
116 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
121 for (i = 0; i < o->nb_stream_maps; i++)
122 av_freep(&o->stream_maps[i].linklabel);
123 av_freep(&o->stream_maps);
124 av_freep(&o->audio_channel_maps);
125 av_freep(&o->streamid_map);
127 memset(o, 0, sizeof(*o));
130 o->recording_time = bak.recording_time;
131 if (o->recording_time != INT64_MAX)
132 av_log(NULL, AV_LOG_WARNING,
133 "-t is not an input option, keeping it for the next output;"
134 " consider fixing your command line.\n");
136 o->recording_time = INT64_MAX;
137 o->mux_max_delay = 0.7;
138 o->limit_filesize = UINT64_MAX;
139 o->chapters_input_file = INT_MAX;
146 static int opt_frame_crop(const char *opt, const char *arg)
148 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
149 return AVERROR(EINVAL);
152 static int opt_pad(const char *opt, const char *arg)
154 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
158 static int opt_video_channel(const char *opt, const char *arg)
160 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
161 return opt_default("channel", arg);
164 static int opt_video_standard(const char *opt, const char *arg)
166 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
167 return opt_default("standard", arg);
170 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
172 audio_codec_name = arg;
173 return parse_option(o, "codec:a", arg, options);
176 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
178 video_codec_name = arg;
179 return parse_option(o, "codec:v", arg, options);
182 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
184 subtitle_codec_name = arg;
185 return parse_option(o, "codec:s", arg, options);
188 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
190 return parse_option(o, "codec:d", arg, options);
193 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
196 int i, negative = 0, file_idx;
197 int sync_file_idx = -1, sync_stream_idx = 0;
205 map = av_strdup(arg);
207 /* parse sync stream first, just pick first matching stream */
208 if (sync = strchr(map, ',')) {
210 sync_file_idx = strtol(sync + 1, &sync, 0);
211 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
212 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
217 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
218 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
219 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
223 if (i == input_files[sync_file_idx]->nb_streams) {
224 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
225 "match any streams.\n", arg);
232 /* this mapping refers to lavfi output */
233 const char *c = map + 1;
234 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
235 &o->nb_stream_maps, o->nb_stream_maps + 1);
236 m = &o->stream_maps[o->nb_stream_maps - 1];
237 m->linklabel = av_get_token(&c, "]");
239 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
243 file_idx = strtol(map, &p, 0);
244 if (file_idx >= nb_input_files || file_idx < 0) {
245 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
249 /* disable some already defined maps */
250 for (i = 0; i < o->nb_stream_maps; i++) {
251 m = &o->stream_maps[i];
252 if (file_idx == m->file_index &&
253 check_stream_specifier(input_files[m->file_index]->ctx,
254 input_files[m->file_index]->ctx->streams[m->stream_index],
255 *p == ':' ? p + 1 : p) > 0)
259 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
260 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
261 *p == ':' ? p + 1 : p) <= 0)
263 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
264 &o->nb_stream_maps, o->nb_stream_maps + 1);
265 m = &o->stream_maps[o->nb_stream_maps - 1];
267 m->file_index = file_idx;
270 if (sync_file_idx >= 0) {
271 m->sync_file_index = sync_file_idx;
272 m->sync_stream_index = sync_stream_idx;
274 m->sync_file_index = file_idx;
275 m->sync_stream_index = i;
281 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
289 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
291 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
292 &o->nb_attachments, o->nb_attachments + 1);
293 o->attachments[o->nb_attachments - 1] = arg;
297 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
303 o->audio_channel_maps =
304 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
305 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
306 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
308 /* muted channel syntax */
309 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
310 if ((n == 1 || n == 3) && m->channel_idx == -1) {
311 m->file_idx = m->stream_idx = -1;
313 m->ofile_idx = m->ostream_idx = -1;
318 n = sscanf(arg, "%d.%d.%d:%d.%d",
319 &m->file_idx, &m->stream_idx, &m->channel_idx,
320 &m->ofile_idx, &m->ostream_idx);
322 if (n != 3 && n != 5) {
323 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
324 "[file.stream.channel|-1][:syncfile:syncstream]\n");
328 if (n != 5) // only file.stream.channel specified
329 m->ofile_idx = m->ostream_idx = -1;
332 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
333 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
337 if (m->stream_idx < 0 ||
338 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
339 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
340 m->file_idx, m->stream_idx);
343 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
344 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
345 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
346 m->file_idx, m->stream_idx);
349 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
350 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
351 m->file_idx, m->stream_idx, m->channel_idx);
358 * Parse a metadata specifier in arg.
359 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
360 * @param index for type c/p, chapter/program index is written here
361 * @param stream_spec for type s, the stream specifier is written here
363 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
371 if (*(++arg) && *arg != ':') {
372 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
375 *stream_spec = *arg == ':' ? arg + 1 : "";
380 *index = strtol(++arg, NULL, 0);
383 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
390 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
392 AVDictionary **meta_in = NULL;
393 AVDictionary **meta_out = NULL;
395 char type_in, type_out;
396 const char *istream_spec = NULL, *ostream_spec = NULL;
397 int idx_in = 0, idx_out = 0;
399 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
400 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
403 if (type_out == 'g' || !*outspec)
404 o->metadata_global_manual = 1;
405 if (type_out == 's' || !*outspec)
406 o->metadata_streams_manual = 1;
407 if (type_out == 'c' || !*outspec)
408 o->metadata_chapters_manual = 1;
412 if (type_in == 'g' || type_out == 'g')
413 o->metadata_global_manual = 1;
414 if (type_in == 's' || type_out == 's')
415 o->metadata_streams_manual = 1;
416 if (type_in == 'c' || type_out == 'c')
417 o->metadata_chapters_manual = 1;
419 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
420 if ((index) < 0 || (index) >= (nb_elems)) {\
421 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
426 #define SET_DICT(type, meta, context, index)\
429 meta = &context->metadata;\
432 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
433 meta = &context->chapters[index]->metadata;\
436 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
437 meta = &context->programs[index]->metadata;\
439 default: av_assert0(0);\
442 SET_DICT(type_in, meta_in, ic, idx_in);
443 SET_DICT(type_out, meta_out, oc, idx_out);
445 /* for input streams choose first matching stream */
446 if (type_in == 's') {
447 for (i = 0; i < ic->nb_streams; i++) {
448 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
449 meta_in = &ic->streams[i]->metadata;
455 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
460 if (type_out == 's') {
461 for (i = 0; i < oc->nb_streams; i++) {
462 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
463 meta_out = &oc->streams[i]->metadata;
464 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
469 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
474 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
477 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
478 struct tm time = *gmtime((time_t*)&recording_timestamp);
479 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
480 parse_option(o, "metadata", buf, options);
482 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
483 "tag instead.\n", opt);
487 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
489 const char *codec_string = encoder ? "encoder" : "decoder";
493 avcodec_find_encoder_by_name(name) :
494 avcodec_find_decoder_by_name(name);
496 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
499 if (codec->type != type) {
500 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
506 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
508 char *codec_name = NULL;
510 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
512 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
513 st->codec->codec_id = codec->id;
516 return avcodec_find_decoder(st->codec->codec_id);
520 * Add all the streams from the given input file to the global
521 * list of input streams.
523 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
526 char *next, *codec_tag = NULL;
528 for (i = 0; i < ic->nb_streams; i++) {
529 AVStream *st = ic->streams[i];
530 AVCodecContext *dec = st->codec;
531 InputStream *ist = av_mallocz(sizeof(*ist));
532 char *framerate = NULL;
537 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
538 input_streams[nb_input_streams - 1] = ist;
541 ist->file_index = nb_input_files;
543 st->discard = AVDISCARD_ALL;
544 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, choose_decoder(o, ic, st));
547 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
549 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
551 uint32_t tag = strtol(codec_tag, &next, 0);
553 tag = AV_RL32(codec_tag);
554 st->codec->codec_tag = tag;
557 ist->dec = choose_decoder(o, ic, st);
559 switch (dec->codec_type) {
560 case AVMEDIA_TYPE_VIDEO:
562 ist->dec = avcodec_find_decoder(dec->codec_id);
564 dec->flags |= CODEC_FLAG_EMU_EDGE;
567 ist->resample_height = dec->height;
568 ist->resample_width = dec->width;
569 ist->resample_pix_fmt = dec->pix_fmt;
571 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
572 if (framerate && av_parse_video_rate(&ist->framerate,
574 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
579 ist->top_field_first = -1;
580 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
583 case AVMEDIA_TYPE_AUDIO:
584 guess_input_channel_layout(ist);
586 ist->resample_sample_fmt = dec->sample_fmt;
587 ist->resample_sample_rate = dec->sample_rate;
588 ist->resample_channels = dec->channels;
589 ist->resample_channel_layout = dec->channel_layout;
592 case AVMEDIA_TYPE_DATA:
593 case AVMEDIA_TYPE_SUBTITLE:
595 ist->dec = avcodec_find_decoder(dec->codec_id);
596 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
598 case AVMEDIA_TYPE_ATTACHMENT:
599 case AVMEDIA_TYPE_UNKNOWN:
607 static void assert_file_overwrite(const char *filename)
609 if ((!file_overwrite || no_file_overwrite) &&
610 (strchr(filename, ':') == NULL || filename[1] == ':' ||
611 av_strstart(filename, "file:", NULL))) {
612 if (avio_check(filename, 0) == 0) {
613 if (stdin_interaction && (!no_file_overwrite || file_overwrite)) {
614 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
617 signal(SIGINT, SIG_DFL);
619 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
625 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
632 static void dump_attachment(AVStream *st, const char *filename)
635 AVIOContext *out = NULL;
636 AVDictionaryEntry *e;
638 if (!st->codec->extradata_size) {
639 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
640 nb_input_files - 1, st->index);
643 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
646 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
647 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
651 assert_file_overwrite(filename);
653 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
654 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
659 avio_write(out, st->codec->extradata, st->codec->extradata_size);
664 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
667 AVInputFormat *file_iformat = NULL;
672 int orig_nb_streams; // number of streams before avformat_find_stream_info
675 if (!(file_iformat = av_find_input_format(o->format))) {
676 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
681 if (!strcmp(filename, "-"))
684 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
685 strcmp(filename, "/dev/stdin");
687 /* get default parameters from command line */
688 ic = avformat_alloc_context();
690 print_error(filename, AVERROR(ENOMEM));
693 if (o->nb_audio_sample_rate) {
694 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
695 av_dict_set(&format_opts, "sample_rate", buf, 0);
697 if (o->nb_audio_channels) {
698 /* because we set audio_channels based on both the "ac" and
699 * "channel_layout" options, we need to check that the specified
700 * demuxer actually has the "channels" option before setting it */
701 if (file_iformat && file_iformat->priv_class &&
702 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
703 AV_OPT_SEARCH_FAKE_OBJ)) {
704 snprintf(buf, sizeof(buf), "%d",
705 o->audio_channels[o->nb_audio_channels - 1].u.i);
706 av_dict_set(&format_opts, "channels", buf, 0);
709 if (o->nb_frame_rates) {
710 /* set the format-level framerate option;
711 * this is important for video grabbers, e.g. x11 */
712 if (file_iformat && file_iformat->priv_class &&
713 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
714 AV_OPT_SEARCH_FAKE_OBJ)) {
715 av_dict_set(&format_opts, "framerate",
716 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
719 if (o->nb_frame_sizes) {
720 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
722 if (o->nb_frame_pix_fmts)
723 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
725 ic->video_codec_id = video_codec_name ?
726 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
727 ic->audio_codec_id = audio_codec_name ?
728 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
729 ic->subtitle_codec_id= subtitle_codec_name ?
730 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
731 ic->flags |= AVFMT_FLAG_NONBLOCK;
732 ic->interrupt_callback = int_cb;
734 /* open the input file with generic avformat function */
735 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
737 print_error(filename, err);
740 assert_avoptions(format_opts);
742 /* apply forced codec ids */
743 for (i = 0; i < ic->nb_streams; i++)
744 choose_decoder(o, ic, ic->streams[i]);
746 /* Set AVCodecContext options for avformat_find_stream_info */
747 opts = setup_find_stream_info_opts(ic, codec_opts);
748 orig_nb_streams = ic->nb_streams;
750 /* If not enough info to get the stream parameters, we decode the
751 first frames to get it. (used in mpeg case for example) */
752 ret = avformat_find_stream_info(ic, opts);
754 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
755 avformat_close_input(&ic);
759 timestamp = o->start_time;
760 /* add the stream start time */
761 if (ic->start_time != AV_NOPTS_VALUE)
762 timestamp += ic->start_time;
764 /* if seeking requested, we execute it */
765 if (o->start_time != 0) {
766 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
768 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
769 filename, (double)timestamp / AV_TIME_BASE);
773 /* update the current parameters so that they match the one of the input stream */
774 add_input_streams(o, ic);
776 /* dump the file content */
777 av_dump_format(ic, nb_input_files, filename, 0);
779 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
780 if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
783 input_files[nb_input_files - 1]->ctx = ic;
784 input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams;
785 input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
786 input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
787 input_files[nb_input_files - 1]->rate_emu = o->rate_emu;
789 for (i = 0; i < o->nb_dump_attachment; i++) {
792 for (j = 0; j < ic->nb_streams; j++) {
793 AVStream *st = ic->streams[j];
795 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
796 dump_attachment(st, o->dump_attachment[i].u.str);
800 for (i = 0; i < orig_nb_streams; i++)
801 av_dict_free(&opts[i]);
808 static uint8_t *get_line(AVIOContext *s)
814 if (avio_open_dyn_buf(&line) < 0) {
815 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
819 while ((c = avio_r8(s)) && c != '\n')
822 avio_close_dyn_buf(line, &buf);
827 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
831 const char *base[3] = { getenv("AVCONV_DATADIR"),
836 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
840 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
841 i != 1 ? "" : "/.avconv", codec_name, preset_name);
842 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
845 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
846 i != 1 ? "" : "/.avconv", preset_name);
847 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
853 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
855 char *codec_name = NULL;
857 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
859 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
860 NULL, ost->st->codec->codec_type);
861 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
862 } else if (!strcmp(codec_name, "copy"))
863 ost->stream_copy = 1;
865 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
866 ost->st->codec->codec_id = ost->enc->id;
870 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
873 AVStream *st = avformat_new_stream(oc, NULL);
874 int idx = oc->nb_streams - 1, ret = 0;
875 char *bsf = NULL, *next, *codec_tag = NULL;
876 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
878 char *buf = NULL, *arg = NULL, *preset = NULL;
879 AVIOContext *s = NULL;
882 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
886 if (oc->nb_streams - 1 < o->nb_streamid_map)
887 st->id = o->streamid_map[oc->nb_streams - 1];
889 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
890 nb_output_streams + 1);
891 if (!(ost = av_mallocz(sizeof(*ost))))
893 output_streams[nb_output_streams - 1] = ost;
895 ost->file_index = nb_output_files;
898 st->codec->codec_type = type;
899 choose_encoder(o, oc, ost);
901 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
904 avcodec_get_context_defaults3(st->codec, ost->enc);
905 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
907 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
908 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
911 if (!buf[0] || buf[0] == '#') {
915 if (!(arg = strchr(buf, '='))) {
916 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
920 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
922 } while (!s->eof_reached);
926 av_log(NULL, AV_LOG_FATAL,
927 "Preset %s specified for stream %d:%d, but could not be opened.\n",
928 preset, ost->file_index, ost->index);
932 ost->max_frames = INT64_MAX;
933 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
935 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
937 if (next = strchr(bsf, ','))
939 if (!(bsfc = av_bitstream_filter_init(bsf))) {
940 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
944 bsfc_prev->next = bsfc;
946 ost->bitstream_filters = bsfc;
952 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
954 uint32_t tag = strtol(codec_tag, &next, 0);
956 tag = AV_RL32(codec_tag);
957 st->codec->codec_tag = tag;
960 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
961 if (qscale >= 0 || same_quant) {
962 st->codec->flags |= CODEC_FLAG_QSCALE;
963 st->codec->global_quality = FF_QP2LAMBDA * qscale;
966 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
967 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
969 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
970 av_opt_get_int (swr_opts, "dither_method", 0, &ost->swr_dither_method);
971 av_opt_get_double(swr_opts, "dither_scale" , 0, &ost->swr_dither_scale);
973 ost->source_index = source_index;
974 if (source_index >= 0) {
975 ost->sync_ist = input_streams[source_index];
976 input_streams[source_index]->discard = 0;
977 input_streams[source_index]->st->discard = AVDISCARD_NONE;
983 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
993 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1000 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1004 AVCodecContext *video_enc;
1005 char *frame_rate = NULL;
1007 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1009 video_enc = st->codec;
1011 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1012 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1013 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1017 if (!ost->stream_copy) {
1018 const char *p = NULL;
1019 char *frame_size = NULL;
1020 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
1021 char *intra_matrix = NULL, *inter_matrix = NULL;
1022 const char *filters = "null";
1025 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1026 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1027 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1031 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1032 if (frame_aspect_ratio) {
1034 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1035 q.num <= 0 || q.den <= 0) {
1036 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1039 ost->frame_aspect_ratio = av_q2d(q);
1042 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1043 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1044 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1045 ost->keep_pix_fmt = 1;
1046 if (!*++frame_pix_fmt)
1047 frame_pix_fmt = NULL;
1049 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
1050 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1053 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1056 video_enc->gop_size = 0;
1057 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1059 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1060 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1063 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1065 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1067 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1068 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1071 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1074 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1075 for (i = 0; p; i++) {
1077 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1079 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1082 /* FIXME realloc failure */
1083 video_enc->rc_override =
1084 av_realloc(video_enc->rc_override,
1085 sizeof(RcOverride) * (i + 1));
1086 video_enc->rc_override[i].start_frame = start;
1087 video_enc->rc_override[i].end_frame = end;
1089 video_enc->rc_override[i].qscale = q;
1090 video_enc->rc_override[i].quality_factor = 1.0;
1093 video_enc->rc_override[i].qscale = 0;
1094 video_enc->rc_override[i].quality_factor = -q/100.0;
1099 video_enc->rc_override_count = i;
1100 if (!video_enc->rc_initial_buffer_occupancy)
1101 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
1102 video_enc->intra_dc_precision = intra_dc_precision - 8;
1105 video_enc->flags|= CODEC_FLAG_PSNR;
1110 video_enc->flags |= CODEC_FLAG_PASS1;
1113 video_enc->flags |= CODEC_FLAG_PASS2;
1117 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1118 if (ost->forced_keyframes)
1119 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1121 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1123 ost->top_field_first = -1;
1124 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1126 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
1127 ost->avfilter = av_strdup(filters);
1129 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1135 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1140 AVCodecContext *audio_enc;
1142 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1145 audio_enc = st->codec;
1146 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1148 if (!ost->stream_copy) {
1149 char *sample_fmt = NULL;
1150 const char *filters = "anull";
1152 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1154 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1156 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1157 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1161 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1163 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
1165 av_assert1(filters);
1166 ost->avfilter = av_strdup(filters);
1168 /* check for channel mapping for this audio stream */
1169 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1170 AudioChannelMap *map = &o->audio_channel_maps[n];
1171 InputStream *ist = input_streams[ost->source_index];
1172 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
1173 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1174 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1175 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
1176 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1178 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
1179 ost->file_index, ost->st->index);
1187 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1191 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1192 if (!ost->stream_copy) {
1193 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1200 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1202 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1203 ost->stream_copy = 1;
1207 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1211 AVCodecContext *subtitle_enc;
1213 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1215 subtitle_enc = st->codec;
1217 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1219 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1221 if (!ost->stream_copy) {
1222 char *frame_size = NULL;
1224 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1225 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1226 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1234 /* arg format is "output-stream-index:streamid-value". */
1235 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
1241 av_strlcpy(idx_str, arg, sizeof(idx_str));
1242 p = strchr(idx_str, ':');
1244 av_log(NULL, AV_LOG_FATAL,
1245 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1250 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1251 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1252 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1256 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1258 AVFormatContext *is = ifile->ctx;
1259 AVFormatContext *os = ofile->ctx;
1262 for (i = 0; i < is->nb_chapters; i++) {
1263 AVChapter *in_ch = is->chapters[i], *out_ch;
1264 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
1265 AV_TIME_BASE_Q, in_ch->time_base);
1266 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1267 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1270 if (in_ch->end < ts_off)
1272 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1275 out_ch = av_mallocz(sizeof(AVChapter));
1277 return AVERROR(ENOMEM);
1279 out_ch->id = in_ch->id;
1280 out_ch->time_base = in_ch->time_base;
1281 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1282 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1285 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1288 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
1290 return AVERROR(ENOMEM);
1291 os->chapters[os->nb_chapters - 1] = out_ch;
1296 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1299 AVFormatContext *ic = avformat_alloc_context();
1301 ic->interrupt_callback = int_cb;
1302 err = avformat_open_input(&ic, filename, NULL, NULL);
1305 /* copy stream format */
1306 for(i=0;i<ic->nb_streams;i++) {
1310 AVCodecContext *avctx;
1312 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
1313 ost = new_output_stream(o, s, codec->type, -1);
1318 // FIXME: a more elegant solution is needed
1319 memcpy(st, ic->streams[i], sizeof(AVStream));
1321 st->info = av_malloc(sizeof(*st->info));
1322 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
1324 avcodec_copy_context(st->codec, ic->streams[i]->codec);
1326 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1327 choose_sample_fmt(st, codec);
1328 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1329 choose_pixel_fmt(st, codec, st->codec->pix_fmt);
1332 avformat_close_input(&ic);
1336 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1337 AVFormatContext *oc)
1341 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1342 ofilter->out_tmp->pad_idx)) {
1343 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1344 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1346 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1351 ost->source_index = -1;
1352 ost->filter = ofilter;
1356 if (ost->stream_copy) {
1357 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1358 "which is fed from a complex filtergraph. Filtering and streamcopy "
1359 "cannot be used together.\n", ost->file_index, ost->index);
1362 if (o->recording_time != INT64_MAX)
1363 av_log(NULL, AV_LOG_WARNING,
1364 "-t does not work with -filter_complex (yet).\n");
1366 if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
1367 av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
1370 avfilter_inout_free(&ofilter->out_tmp);
1373 static int configure_complex_filters(void)
1377 for (i = 0; i < nb_filtergraphs; i++)
1378 if (!filtergraphs[i]->graph &&
1379 (ret = configure_filtergraph(filtergraphs[i])) < 0)
1384 void opt_output_file(void *optctx, const char *filename)
1386 OptionsContext *o = optctx;
1387 AVFormatContext *oc;
1389 AVOutputFormat *file_oformat;
1393 if (configure_complex_filters() < 0) {
1394 av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
1398 if (!strcmp(filename, "-"))
1401 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
1403 print_error(filename, err);
1406 file_oformat= oc->oformat;
1407 oc->interrupt_callback = int_cb;
1409 /* create streams for all unlabeled output pads */
1410 for (i = 0; i < nb_filtergraphs; i++) {
1411 FilterGraph *fg = filtergraphs[i];
1412 for (j = 0; j < fg->nb_outputs; j++) {
1413 OutputFilter *ofilter = fg->outputs[j];
1415 if (!ofilter->out_tmp || ofilter->out_tmp->name)
1418 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
1419 ofilter->out_tmp->pad_idx)) {
1420 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
1421 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
1422 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
1424 init_output_filter(ofilter, o, oc);
1428 if (!strcmp(file_oformat->name, "ffm") &&
1429 av_strstart(filename, "http:", NULL)) {
1431 /* special case for files sent to ffserver: we get the stream
1432 parameters from ffserver */
1433 int err = read_ffserver_streams(o, oc, filename);
1435 print_error(filename, err);
1438 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
1439 ost = output_streams[j];
1440 for (i = 0; i < nb_input_streams; i++) {
1441 ist = input_streams[i];
1442 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
1444 ost->source_index= i;
1445 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
1446 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
1448 ist->st->discard = AVDISCARD_NONE;
1453 av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
1457 } else if (!o->nb_stream_maps) {
1458 /* pick the "best" stream of each type */
1460 /* video: highest resolution */
1461 if (!o->video_disable && oc->oformat->video_codec != AV_CODEC_ID_NONE) {
1462 int area = 0, idx = -1;
1463 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
1464 for (i = 0; i < nb_input_streams; i++) {
1465 ist = input_streams[i];
1466 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1467 ist->st->codec->width * ist->st->codec->height > area) {
1468 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
1470 area = ist->st->codec->width * ist->st->codec->height;
1475 new_video_stream(o, oc, idx);
1478 /* audio: most channels */
1479 if (!o->audio_disable && oc->oformat->audio_codec != AV_CODEC_ID_NONE) {
1480 int channels = 0, idx = -1;
1481 for (i = 0; i < nb_input_streams; i++) {
1482 ist = input_streams[i];
1483 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
1484 ist->st->codec->channels > channels) {
1485 channels = ist->st->codec->channels;
1490 new_audio_stream(o, oc, idx);
1493 /* subtitles: pick first */
1494 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != AV_CODEC_ID_NONE || subtitle_codec_name)) {
1495 for (i = 0; i < nb_input_streams; i++)
1496 if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1497 new_subtitle_stream(o, oc, i);
1501 /* do something with data? */
1503 for (i = 0; i < o->nb_stream_maps; i++) {
1504 StreamMap *map = &o->stream_maps[i];
1505 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
1510 if (map->linklabel) {
1512 OutputFilter *ofilter = NULL;
1515 for (j = 0; j < nb_filtergraphs; j++) {
1516 fg = filtergraphs[j];
1517 for (k = 0; k < fg->nb_outputs; k++) {
1518 AVFilterInOut *out = fg->outputs[k]->out_tmp;
1519 if (out && !strcmp(out->name, map->linklabel)) {
1520 ofilter = fg->outputs[k];
1527 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
1528 "in any defined filter graph.\n", map->linklabel);
1531 init_output_filter(ofilter, o, oc);
1533 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
1534 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
1536 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1538 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1540 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
1543 switch (ist->st->codec->codec_type) {
1544 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
1545 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
1546 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
1547 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
1548 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
1550 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
1551 map->file_index, map->stream_index);
1559 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
1560 AVDictionaryEntry *e;
1561 ost = output_streams[i];
1563 if ( ost->stream_copy
1564 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
1565 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
1566 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
1570 /* handle attached files */
1571 for (i = 0; i < o->nb_attachments; i++) {
1573 uint8_t *attachment;
1577 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
1578 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
1582 if ((len = avio_size(pb)) <= 0) {
1583 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
1587 if (!(attachment = av_malloc(len))) {
1588 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
1592 avio_read(pb, attachment, len);
1594 ost = new_attachment_stream(o, oc, -1);
1595 ost->stream_copy = 0;
1596 ost->attachment_filename = o->attachments[i];
1597 ost->st->codec->extradata = attachment;
1598 ost->st->codec->extradata_size = len;
1600 p = strrchr(o->attachments[i], '/');
1601 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
1605 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
1606 if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
1609 output_files[nb_output_files - 1]->ctx = oc;
1610 output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams;
1611 output_files[nb_output_files - 1]->recording_time = o->recording_time;
1612 if (o->recording_time != INT64_MAX)
1613 oc->duration = o->recording_time;
1614 output_files[nb_output_files - 1]->start_time = o->start_time;
1615 output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
1616 output_files[nb_output_files - 1]->shortest = o->shortest;
1617 av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
1619 /* check filename in case of an image number is expected */
1620 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
1621 if (!av_filename_number_test(oc->filename)) {
1622 print_error(oc->filename, AVERROR(EINVAL));
1627 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
1628 /* test if it already exists to avoid losing precious files */
1629 assert_file_overwrite(filename);
1632 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
1633 &oc->interrupt_callback,
1634 &output_files[nb_output_files - 1]->opts)) < 0) {
1635 print_error(filename, err);
1640 if (o->mux_preload) {
1642 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
1643 av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
1645 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
1648 for (i = 0; i < o->nb_metadata_map; i++) {
1650 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
1652 if (in_file_index >= nb_input_files) {
1653 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
1656 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index]->ctx : NULL, o);
1660 if (o->chapters_input_file >= nb_input_files) {
1661 if (o->chapters_input_file == INT_MAX) {
1662 /* copy chapters from the first input file that has them*/
1663 o->chapters_input_file = -1;
1664 for (i = 0; i < nb_input_files; i++)
1665 if (input_files[i]->ctx->nb_chapters) {
1666 o->chapters_input_file = i;
1670 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
1671 o->chapters_input_file);
1675 if (o->chapters_input_file >= 0)
1676 copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
1677 !o->metadata_chapters_manual);
1679 /* copy global metadata by default */
1680 if (!o->metadata_global_manual && nb_input_files){
1681 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
1682 AV_DICT_DONT_OVERWRITE);
1683 if(o->recording_time != INT64_MAX)
1684 av_dict_set(&oc->metadata, "duration", NULL, 0);
1685 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
1687 if (!o->metadata_streams_manual)
1688 for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
1690 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
1692 ist = input_streams[output_streams[i]->source_index];
1693 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
1696 /* process manually set metadata */
1697 for (i = 0; i < o->nb_metadata; i++) {
1700 const char *stream_spec;
1701 int index = 0, j, ret = 0;
1703 val = strchr(o->metadata[i].u.str, '=');
1705 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
1706 o->metadata[i].u.str);
1711 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
1713 for (j = 0; j < oc->nb_streams; j++) {
1714 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
1715 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
1726 if (index < 0 || index >= oc->nb_chapters) {
1727 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
1730 m = &oc->chapters[index]->metadata;
1733 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
1736 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
1740 reset_options(o, 0);
1743 /* same option as mencoder */
1744 static int opt_pass(const char *opt, const char *arg)
1746 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
1751 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
1753 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
1754 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
1756 if (!strncmp(arg, "pal-", 4)) {
1759 } else if (!strncmp(arg, "ntsc-", 5)) {
1762 } else if (!strncmp(arg, "film-", 5)) {
1766 /* Try to determine PAL/NTSC by peeking in the input files */
1767 if (nb_input_files) {
1769 for (j = 0; j < nb_input_files; j++) {
1770 for (i = 0; i < input_files[j]->nb_streams; i++) {
1771 AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
1772 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
1774 fr = c->time_base.den * 1000 / c->time_base.num;
1778 } else if ((fr == 29970) || (fr == 23976)) {
1783 if (norm != UNKNOWN)
1787 if (norm != UNKNOWN)
1788 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
1791 if (norm == UNKNOWN) {
1792 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
1793 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
1794 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
1798 if (!strcmp(arg, "vcd")) {
1799 opt_video_codec(o, "c:v", "mpeg1video");
1800 opt_audio_codec(o, "c:a", "mp2");
1801 parse_option(o, "f", "vcd", options);
1803 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
1804 parse_option(o, "r", frame_rates[norm], options);
1805 opt_default("g", norm == PAL ? "15" : "18");
1807 opt_default("b:v", "1150000");
1808 opt_default("maxrate", "1150000");
1809 opt_default("minrate", "1150000");
1810 opt_default("bufsize", "327680"); // 40*1024*8;
1812 opt_default("b:a", "224000");
1813 parse_option(o, "ar", "44100", options);
1814 parse_option(o, "ac", "2", options);
1816 opt_default("packetsize", "2324");
1817 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
1819 /* We have to offset the PTS, so that it is consistent with the SCR.
1820 SCR starts at 36000, but the first two packs contain only padding
1821 and the first pack from the other stream, respectively, may also have
1822 been written before.
1823 So the real data starts at SCR 36000+3*1200. */
1824 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
1825 } else if (!strcmp(arg, "svcd")) {
1827 opt_video_codec(o, "c:v", "mpeg2video");
1828 opt_audio_codec(o, "c:a", "mp2");
1829 parse_option(o, "f", "svcd", options);
1831 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
1832 parse_option(o, "r", frame_rates[norm], options);
1833 parse_option(o, "pix_fmt", "yuv420p", options);
1834 opt_default("g", norm == PAL ? "15" : "18");
1836 opt_default("b:v", "2040000");
1837 opt_default("maxrate", "2516000");
1838 opt_default("minrate", "0"); // 1145000;
1839 opt_default("bufsize", "1835008"); // 224*1024*8;
1840 opt_default("scan_offset", "1");
1843 opt_default("b:a", "224000");
1844 parse_option(o, "ar", "44100", options);
1846 opt_default("packetsize", "2324");
1848 } else if (!strcmp(arg, "dvd")) {
1850 opt_video_codec(o, "c:v", "mpeg2video");
1851 opt_audio_codec(o, "c:a", "ac3");
1852 parse_option(o, "f", "dvd", options);
1854 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
1855 parse_option(o, "r", frame_rates[norm], options);
1856 parse_option(o, "pix_fmt", "yuv420p", options);
1857 opt_default("g", norm == PAL ? "15" : "18");
1859 opt_default("b:v", "6000000");
1860 opt_default("maxrate", "9000000");
1861 opt_default("minrate", "0"); // 1500000;
1862 opt_default("bufsize", "1835008"); // 224*1024*8;
1864 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
1865 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
1867 opt_default("b:a", "448000");
1868 parse_option(o, "ar", "48000", options);
1870 } else if (!strncmp(arg, "dv", 2)) {
1872 parse_option(o, "f", "dv", options);
1874 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
1875 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
1876 norm == PAL ? "yuv420p" : "yuv411p", options);
1877 parse_option(o, "r", frame_rates[norm], options);
1879 parse_option(o, "ar", "48000", options);
1880 parse_option(o, "ac", "2", options);
1883 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
1884 return AVERROR(EINVAL);
1889 static int opt_vstats_file(const char *opt, const char *arg)
1891 av_free (vstats_filename);
1892 vstats_filename = av_strdup (arg);
1896 static int opt_vstats(const char *opt, const char *arg)
1899 time_t today2 = time(NULL);
1900 struct tm *today = localtime(&today2);
1902 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
1904 return opt_vstats_file(opt, filename);
1907 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
1909 return parse_option(o, "frames:v", arg, options);
1912 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
1914 return parse_option(o, "frames:a", arg, options);
1917 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
1919 return parse_option(o, "frames:d", arg, options);
1922 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
1925 char filename[1000], line[1000], tmp_line[1000];
1926 const char *codec_name = *opt == 'v' ? video_codec_name :
1927 *opt == 'a' ? audio_codec_name :
1928 subtitle_codec_name;
1930 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
1931 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
1932 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
1934 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
1938 while (fgets(line, sizeof(line), f)) {
1939 char *key = tmp_line, *value, *endptr;
1941 if (strcspn(line, "#\n\r") == 0)
1943 strcpy(tmp_line, line);
1944 if (!av_strtok(key, "=", &value) ||
1945 !av_strtok(value, "\r\n", &endptr)) {
1946 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
1949 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
1951 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
1952 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
1953 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
1954 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
1955 else if (opt_default(key, value) < 0) {
1956 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
1957 filename, line, key, value);
1967 static int opt_passlogfile(const char *opt, const char *arg)
1969 pass_logfilename_prefix = arg;
1970 #if CONFIG_LIBX264_ENCODER
1971 return opt_default(opt, arg);
1977 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
1979 char *s = av_asprintf("%s:%c", opt + 1, *opt);
1980 int ret = parse_option(o, s, arg, options);
1985 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
1987 if(!strcmp(opt, "b")){
1988 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
1989 return parse_option(o, "b:v", arg, options);
1991 return opt_default(opt, arg);
1994 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
1998 if(!strcmp(opt, "qscale")){
1999 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2000 return parse_option(o, "q:v", arg, options);
2002 s = av_asprintf("q%s", opt + 6);
2003 ret = parse_option(o, s, arg, options);
2008 static int opt_profile(OptionsContext *o, const char *opt, const char *arg)
2010 if(!strcmp(opt, "profile")){
2011 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2012 return parse_option(o, "profile:v", arg, options);
2014 return opt_default(opt, arg);
2017 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
2019 return parse_option(o, "filter:v", arg, options);
2022 static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
2024 return parse_option(o, "filter:a", arg, options);
2027 static int opt_vsync(const char *opt, const char *arg)
2029 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2030 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
2031 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
2032 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
2034 if (video_sync_method == VSYNC_AUTO)
2035 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
2039 static int opt_deinterlace(const char *opt, const char *arg)
2041 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
2046 static int opt_timecode(OptionsContext *o, const char *opt, const char *arg)
2048 char *tcr = av_asprintf("timecode=%s", arg);
2049 int ret = parse_option(o, "metadata:g", tcr, options);
2051 ret = opt_default("gop_timecode", arg);
2056 static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg)
2058 char layout_str[32];
2061 int ret, channels, ac_str_size;
2064 layout = av_get_channel_layout(arg);
2066 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
2067 return AVERROR(EINVAL);
2069 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
2070 ret = opt_default(opt, layout_str);
2074 /* set 'ac' option based on channel layout */
2075 channels = av_get_channel_layout_nb_channels(layout);
2076 snprintf(layout_str, sizeof(layout_str), "%d", channels);
2077 stream_str = strchr(opt, ':');
2078 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
2079 ac_str = av_mallocz(ac_str_size);
2081 return AVERROR(ENOMEM);
2082 av_strlcpy(ac_str, "ac", 3);
2084 av_strlcat(ac_str, stream_str, ac_str_size);
2085 ret = parse_option(o, ac_str, layout_str, options);
2091 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
2093 return parse_option(o, "q:a", arg, options);
2096 static int opt_filter_complex(const char *opt, const char *arg)
2098 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
2099 &nb_filtergraphs, nb_filtergraphs + 1);
2100 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2101 return AVERROR(ENOMEM);
2102 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2103 filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
2107 static int opt_help(const char *opt, const char *arg)
2109 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
2110 av_log_set_callback(log_callback_help);
2112 show_help_options(options, "Main options:\n",
2113 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
2114 show_help_options(options, "\nAdvanced options:\n",
2115 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
2117 show_help_options(options, "\nVideo options:\n",
2118 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2120 show_help_options(options, "\nAdvanced Video options:\n",
2121 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2122 OPT_VIDEO | OPT_EXPERT);
2123 show_help_options(options, "\nAudio options:\n",
2124 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2126 show_help_options(options, "\nAdvanced Audio options:\n",
2127 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2128 OPT_AUDIO | OPT_EXPERT);
2129 show_help_options(options, "\nSubtitle options:\n",
2130 OPT_SUBTITLE | OPT_GRAB,
2132 show_help_options(options, "\nAudio/Video grab options:\n",
2136 show_help_children(avcodec_get_class(), flags);
2137 show_help_children(avformat_get_class(), flags);
2138 show_help_children(sws_get_class(), flags);
2139 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
2140 show_help_children(avfilter_get_class(), AV_OPT_FLAG_FILTERING_PARAM);
2145 void show_usage(void)
2147 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
2148 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
2149 av_log(NULL, AV_LOG_INFO, "\n");
2153 static int opt_progress(const char *opt, const char *arg)
2155 AVIOContext *avio = NULL;
2158 if (!strcmp(arg, "-"))
2160 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
2162 av_log(0, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
2163 arg, av_err2str(ret));
2166 progress_avio = avio;
2170 #define OFFSET(x) offsetof(OptionsContext, x)
2171 const OptionDef options[] = {
2173 #include "cmdutils_common_opts.h"
2174 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
2175 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
2176 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2177 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
2178 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
2179 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
2180 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
2181 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
2182 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_channel}, "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
2183 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
2184 "outfile[,metadata]:infile[,metadata]" },
2185 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
2186 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
2187 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
2188 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
2189 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
2190 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
2191 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
2192 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
2193 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
2194 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
2195 "add timings for benchmarking" },
2196 { "benchmark_all", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark_all},
2197 "add timings for each task" },
2198 { "progress", HAS_ARG | OPT_EXPERT, {(void*)opt_progress},
2199 "write program-readable progress information", "url" },
2200 { "stdin", OPT_BOOL | OPT_EXPERT, {(void*)&stdin_interaction},
2201 "enable or disable interaction on standard input" },
2202 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
2203 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
2204 "dump each input packet" },
2205 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
2206 "when dumping packets, also dump the payload" },
2207 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
2208 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
2209 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
2210 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
2211 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
2212 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
2213 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "mode" },
2214 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(shortest)}, "finish encoding within shortest input" },
2215 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
2216 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
2217 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
2218 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
2219 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
2220 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
2221 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
2222 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
2223 { "profile", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_profile}, "set profile", "profile" },
2224 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
2225 { "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" },
2226 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
2227 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
2228 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
2229 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
2232 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
2233 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2234 { "s", HAS_ARG | OPT_VIDEO | OPT_SUBTITLE | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
2235 { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2236 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
2237 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
2238 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
2239 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
2240 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
2241 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
2242 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
2243 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
2244 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
2245 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
2246 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
2247 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "deprecated use -g 1"},
2248 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
2249 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
2250 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
2251 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2252 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
2253 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
2254 "use same quantizer as source (implies VBR)" },
2255 { "timecode", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_timecode}, "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
2256 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
2257 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
2258 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
2259 "this option is deprecated, use the yadif filter instead" },
2260 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2261 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
2262 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
2263 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
2264 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
2265 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
2266 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
2267 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
2268 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
2269 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
2270 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
2271 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
2272 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
2273 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
2276 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
2277 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
2278 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
2279 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
2280 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
2281 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2282 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
2283 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
2284 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
2285 { "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" },
2286 { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" },
2288 /* subtitle options */
2289 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
2290 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
2291 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
2292 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC, {.off = OFFSET(fix_sub_duration)}, "fix subtitles duration" },
2295 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
2296 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
2297 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
2300 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
2301 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
2303 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
2304 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
2305 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
2307 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
2308 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
2309 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
2310 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
2311 /* data codec support */
2312 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
2313 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
2315 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },