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 char *bsf = NULL, *next, *codec_tag = NULL;
1233 AVBitStreamFilterContext *bsfc, *bsfc_prev = 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, bsf, oc, st);
1325 if (next = strchr(bsf, ','))
1327 if (arg = strchr(bsf, '='))
1329 if (!(bsfc = av_bitstream_filter_init(bsf))) {
1330 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
1334 bsfc_prev->next = bsfc;
1336 ost->bitstream_filters = bsfc;
1338 if (!(bsfc->args = av_strdup(arg))) {
1339 av_log(NULL, AV_LOG_FATAL, "Bitstream filter memory allocation failed\n");
1347 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
1349 uint32_t tag = strtol(codec_tag, &next, 0);
1351 tag = AV_RL32(codec_tag);
1352 ost->st->codecpar->codec_tag =
1353 ost->enc_ctx->codec_tag = tag;
1356 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
1358 ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
1359 ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
1362 MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
1363 ost->disposition = av_strdup(ost->disposition);
1365 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
1366 ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
1368 av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
1370 av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
1371 if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
1372 av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
1374 av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
1376 ost->source_index = source_index;
1377 if (source_index >= 0) {
1378 ost->sync_ist = input_streams[source_index];
1379 input_streams[source_index]->discard = 0;
1380 input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
1382 ost->last_mux_dts = AV_NOPTS_VALUE;
1387 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1390 const char *p = str;
1397 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1404 /* read file contents into a string */
1405 static uint8_t *read_file(const char *filename)
1407 AVIOContext *pb = NULL;
1408 AVIOContext *dyn_buf = NULL;
1409 int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
1410 uint8_t buf[1024], *str;
1413 av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
1417 ret = avio_open_dyn_buf(&dyn_buf);
1422 while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
1423 avio_write(dyn_buf, buf, ret);
1424 avio_w8(dyn_buf, 0);
1427 ret = avio_close_dyn_buf(dyn_buf, &str);
1433 static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
1436 AVStream *st = ost->st;
1438 if (ost->filters_script && ost->filters) {
1439 av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
1440 "output stream #%d:%d.\n", nb_output_files, st->index);
1444 if (ost->filters_script)
1445 return read_file(ost->filters_script);
1446 else if (ost->filters)
1447 return av_strdup(ost->filters);
1449 return av_strdup(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ?
1453 static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
1454 const OutputStream *ost, enum AVMediaType type)
1456 if (ost->filters_script || ost->filters) {
1457 av_log(NULL, AV_LOG_ERROR,
1458 "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
1459 "Filtering and streamcopy cannot be used together.\n",
1460 ost->filters ? "Filtergraph" : "Filtergraph script",
1461 ost->filters ? ost->filters : ost->filters_script,
1462 av_get_media_type_string(type), ost->file_index, ost->index);
1467 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1471 AVCodecContext *video_enc;
1472 char *frame_rate = NULL, *frame_aspect_ratio = NULL;
1474 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1476 video_enc = ost->enc_ctx;
1478 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1479 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1480 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1483 if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
1484 av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
1486 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1487 if (frame_aspect_ratio) {
1489 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1490 q.num <= 0 || q.den <= 0) {
1491 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1494 ost->frame_aspect_ratio = q;
1497 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1498 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1500 if (!ost->stream_copy) {
1501 const char *p = NULL;
1502 char *frame_size = NULL;
1503 char *frame_pix_fmt = NULL;
1504 char *intra_matrix = NULL, *inter_matrix = NULL;
1505 char *chroma_intra_matrix = NULL;
1509 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1510 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1511 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1515 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1516 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1517 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1518 ost->keep_pix_fmt = 1;
1519 if (!*++frame_pix_fmt)
1520 frame_pix_fmt = NULL;
1522 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1523 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1526 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1529 video_enc->gop_size = 0;
1530 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1532 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1533 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1536 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1538 MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
1539 if (chroma_intra_matrix) {
1540 uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
1542 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1545 av_codec_set_chroma_intra_matrix(video_enc, p);
1546 parse_matrix_coeffs(p, chroma_intra_matrix);
1548 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1550 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1551 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1554 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1557 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1558 for (i = 0; p; i++) {
1560 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1562 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1565 video_enc->rc_override =
1566 av_realloc_array(video_enc->rc_override,
1567 i + 1, sizeof(RcOverride));
1568 if (!video_enc->rc_override) {
1569 av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
1572 video_enc->rc_override[i].start_frame = start;
1573 video_enc->rc_override[i].end_frame = end;
1575 video_enc->rc_override[i].qscale = q;
1576 video_enc->rc_override[i].quality_factor = 1.0;
1579 video_enc->rc_override[i].qscale = 0;
1580 video_enc->rc_override[i].quality_factor = -q/100.0;
1585 video_enc->rc_override_count = i;
1588 video_enc->flags|= AV_CODEC_FLAG_PSNR;
1591 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1594 video_enc->flags |= AV_CODEC_FLAG_PASS1;
1595 av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
1598 video_enc->flags |= AV_CODEC_FLAG_PASS2;
1599 av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
1603 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1604 if (ost->logfile_prefix &&
1605 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1609 char logfilename[1024];
1612 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1613 ost->logfile_prefix ? ost->logfile_prefix :
1614 DEFAULT_PASS_LOGFILENAME_PREFIX,
1616 if (!strcmp(ost->enc->name, "libx264")) {
1617 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1619 if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
1620 char *logbuffer = read_file(logfilename);
1623 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1627 video_enc->stats_in = logbuffer;
1629 if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
1630 f = av_fopen_utf8(logfilename, "wb");
1632 av_log(NULL, AV_LOG_FATAL,
1633 "Cannot write log file '%s' for pass-1 encoding: %s\n",
1634 logfilename, strerror(errno));
1642 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1643 if (ost->forced_keyframes)
1644 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1646 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1648 ost->top_field_first = -1;
1649 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1652 ost->avfilter = get_ost_filters(o, oc, ost);
1656 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1659 if (ost->stream_copy)
1660 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
1665 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1670 AVCodecContext *audio_enc;
1672 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1675 audio_enc = ost->enc_ctx;
1676 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1678 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1679 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1681 if (!ost->stream_copy) {
1682 char *sample_fmt = NULL;
1684 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1686 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1688 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1689 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1693 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1695 MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
1696 ost->apad = av_strdup(ost->apad);
1698 ost->avfilter = get_ost_filters(o, oc, ost);
1702 /* check for channel mapping for this audio stream */
1703 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1704 AudioChannelMap *map = &o->audio_channel_maps[n];
1705 if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1706 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1709 if (map->channel_idx == -1) {
1711 } else if (ost->source_index < 0) {
1712 av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
1713 ost->file_index, ost->st->index);
1716 ist = input_streams[ost->source_index];
1719 if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
1720 if (av_reallocp_array(&ost->audio_channels_map,
1721 ost->audio_channels_mapped + 1,
1722 sizeof(*ost->audio_channels_map)
1726 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1732 if (ost->stream_copy)
1733 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
1738 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1742 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1743 if (!ost->stream_copy) {
1744 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1751 static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1755 ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
1756 if (!ost->stream_copy) {
1757 av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
1764 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1766 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1767 ost->stream_copy = 1;
1772 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1776 AVCodecContext *subtitle_enc;
1778 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1780 subtitle_enc = ost->enc_ctx;
1782 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1784 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1786 if (!ost->stream_copy) {
1787 char *frame_size = NULL;
1789 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1790 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1791 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1799 /* arg format is "output-stream-index:streamid-value". */
1800 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1802 OptionsContext *o = optctx;
1807 av_strlcpy(idx_str, arg, sizeof(idx_str));
1808 p = strchr(idx_str, ':');
1810 av_log(NULL, AV_LOG_FATAL,
1811 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1816 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1817 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1818 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1822 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1824 AVFormatContext *is = ifile->ctx;
1825 AVFormatContext *os = ofile->ctx;
1829 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1831 return AVERROR(ENOMEM);
1834 for (i = 0; i < is->nb_chapters; i++) {
1835 AVChapter *in_ch = is->chapters[i], *out_ch;
1836 int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
1837 int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
1838 AV_TIME_BASE_Q, in_ch->time_base);
1839 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1840 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1843 if (in_ch->end < ts_off)
1845 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1848 out_ch = av_mallocz(sizeof(AVChapter));
1850 return AVERROR(ENOMEM);
1852 out_ch->id = in_ch->id;
1853 out_ch->time_base = in_ch->time_base;
1854 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1855 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1858 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1860 os->chapters[os->nb_chapters++] = out_ch;
1865 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1868 AVFormatContext *ic = avformat_alloc_context();
1870 ic->interrupt_callback = int_cb;
1871 err = avformat_open_input(&ic, filename, NULL, NULL);
1874 /* copy stream format */
1875 for(i=0;i<ic->nb_streams;i++) {
1879 const char *enc_config;
1881 codec = avcodec_find_encoder(ic->streams[i]->codecpar->codec_id);
1883 av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codecpar->codec_id);
1884 return AVERROR(EINVAL);
1886 if (codec->type == AVMEDIA_TYPE_AUDIO)
1887 opt_audio_codec(o, "c:a", codec->name);
1888 else if (codec->type == AVMEDIA_TYPE_VIDEO)
1889 opt_video_codec(o, "c:v", codec->name);
1890 ost = new_output_stream(o, s, codec->type, -1);
1893 avcodec_get_context_defaults3(st->codec, codec);
1894 enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
1896 AVDictionary *opts = NULL;
1897 av_dict_parse_string(&opts, enc_config, "=", ",", 0);
1898 av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
1899 av_dict_free(&opts);
1902 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1903 choose_sample_fmt(st, codec);
1904 else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1905 choose_pixel_fmt(st, st->codec, codec, st->codecpar->format);
1906 avcodec_copy_context(ost->enc_ctx, st->codec);
1908 av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
1911 avformat_close_input(&ic);
1915 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1916 AVFormatContext *oc)
1920 switch (ofilter->type) {
1921 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1922 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1924 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1929 ost->source_index = -1;
1930 ost->filter = ofilter;
1934 if (ost->stream_copy) {
1935 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1936 "which is fed from a complex filtergraph. Filtering and streamcopy "
1937 "cannot be used together.\n", ost->file_index, ost->index);
1941 if (ost->avfilter && (ost->filters || ost->filters_script)) {
1942 const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
1943 av_log(NULL, AV_LOG_ERROR,
1944 "%s '%s' was specified through the %s option "
1945 "for output stream %d:%d, which is fed from a complex filtergraph.\n"
1946 "%s and -filter_complex cannot be used together for the same stream.\n",
1947 ost->filters ? "Filtergraph" : "Filtergraph script",
1948 ost->filters ? ost->filters : ost->filters_script,
1949 opt, ost->file_index, ost->index, opt);
1953 avfilter_inout_free(&ofilter->out_tmp);
1956 static int init_complex_filters(void)
1960 for (i = 0; i < nb_filtergraphs; i++) {
1961 ret = init_complex_filtergraph(filtergraphs[i]);
1968 static int configure_complex_filters(void)
1972 for (i = 0; i < nb_filtergraphs; i++)
1973 if (!filtergraph_is_simple(filtergraphs[i]) &&
1974 (ret = configure_filtergraph(filtergraphs[i])) < 0)
1979 static int open_output_file(OptionsContext *o, const char *filename)
1981 AVFormatContext *oc;
1983 AVOutputFormat *file_oformat;
1987 AVDictionary *unused_opts = NULL;
1988 AVDictionaryEntry *e = NULL;
1991 if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
1992 o->stop_time = INT64_MAX;
1993 av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
1996 if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
1997 int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
1998 if (o->stop_time <= start_time) {
1999 av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
2002 o->recording_time = o->stop_time - start_time;
2006 GROW_ARRAY(output_files, nb_output_files);
2007 of = av_mallocz(sizeof(*of));
2010 output_files[nb_output_files - 1] = of;
2012 of->ost_index = nb_output_streams;
2013 of->recording_time = o->recording_time;
2014 of->start_time = o->start_time;
2015 of->limit_filesize = o->limit_filesize;
2016 of->shortest = o->shortest;
2017 av_dict_copy(&of->opts, o->g->format_opts, 0);
2019 if (!strcmp(filename, "-"))
2022 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
2024 print_error(filename, err);
2029 if (o->recording_time != INT64_MAX)
2030 oc->duration = o->recording_time;
2032 file_oformat= oc->oformat;
2033 oc->interrupt_callback = int_cb;
2035 /* create streams for all unlabeled output pads */
2036 for (i = 0; i < nb_filtergraphs; i++) {
2037 FilterGraph *fg = filtergraphs[i];
2038 for (j = 0; j < fg->nb_outputs; j++) {
2039 OutputFilter *ofilter = fg->outputs[j];
2041 if (!ofilter->out_tmp || ofilter->out_tmp->name)
2044 switch (ofilter->type) {
2045 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
2046 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
2047 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
2049 init_output_filter(ofilter, o, oc);
2053 /* ffserver seeking with date=... needs a date reference */
2054 if (!strcmp(file_oformat->name, "ffm") &&
2055 av_strstart(filename, "http:", NULL)) {
2056 int err = parse_option(o, "metadata", "creation_time=now", options);
2058 print_error(filename, err);
2063 if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
2064 av_strstart(filename, "http:", NULL)) {
2066 /* special case for files sent to ffserver: we get the stream
2067 parameters from ffserver */
2068 int err = read_ffserver_streams(o, oc, filename);
2070 print_error(filename, err);
2073 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
2074 ost = output_streams[j];
2075 for (i = 0; i < nb_input_streams; i++) {
2076 ist = input_streams[i];
2077 if(ist->st->codecpar->codec_type == ost->st->codecpar->codec_type){
2079 ost->source_index= i;
2080 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
2081 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
2083 ist->st->discard = ist->user_set_discard;
2088 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));
2092 } else if (!o->nb_stream_maps) {
2093 char *subtitle_codec_name = NULL;
2094 /* pick the "best" stream of each type */
2096 /* video: highest resolution */
2097 if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
2098 int area = 0, idx = -1;
2099 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
2100 for (i = 0; i < nb_input_streams; i++) {
2102 ist = input_streams[i];
2103 new_area = ist->st->codecpar->width * ist->st->codecpar->height + 100000000*!!ist->st->codec_info_nb_frames;
2104 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2106 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2108 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2115 new_video_stream(o, oc, idx);
2118 /* audio: most channels */
2119 if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
2120 int best_score = 0, idx = -1;
2121 for (i = 0; i < nb_input_streams; i++) {
2123 ist = input_streams[i];
2124 score = ist->st->codecpar->channels + 100000000*!!ist->st->codec_info_nb_frames;
2125 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
2126 score > best_score) {
2132 new_audio_stream(o, oc, idx);
2135 /* subtitles: pick first */
2136 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
2137 if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
2138 for (i = 0; i < nb_input_streams; i++)
2139 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2140 AVCodecDescriptor const *input_descriptor =
2141 avcodec_descriptor_get(input_streams[i]->st->codecpar->codec_id);
2142 AVCodecDescriptor const *output_descriptor = NULL;
2143 AVCodec const *output_codec =
2144 avcodec_find_encoder(oc->oformat->subtitle_codec);
2145 int input_props = 0, output_props = 0;
2147 output_descriptor = avcodec_descriptor_get(output_codec->id);
2148 if (input_descriptor)
2149 input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2150 if (output_descriptor)
2151 output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2152 if (subtitle_codec_name ||
2153 input_props & output_props ||
2154 // Map dvb teletext which has neither property to any output subtitle encoder
2155 input_descriptor && output_descriptor &&
2156 (!input_descriptor->props ||
2157 !output_descriptor->props)) {
2158 new_subtitle_stream(o, oc, i);
2163 /* Data only if codec id match */
2164 if (!o->data_disable ) {
2165 enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
2166 for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
2167 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_DATA
2168 && input_streams[i]->st->codecpar->codec_id == codec_id )
2169 new_data_stream(o, oc, i);
2173 for (i = 0; i < o->nb_stream_maps; i++) {
2174 StreamMap *map = &o->stream_maps[i];
2179 if (map->linklabel) {
2181 OutputFilter *ofilter = NULL;
2184 for (j = 0; j < nb_filtergraphs; j++) {
2185 fg = filtergraphs[j];
2186 for (k = 0; k < fg->nb_outputs; k++) {
2187 AVFilterInOut *out = fg->outputs[k]->out_tmp;
2188 if (out && !strcmp(out->name, map->linklabel)) {
2189 ofilter = fg->outputs[k];
2196 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
2197 "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
2200 init_output_filter(ofilter, o, oc);
2202 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
2204 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
2205 if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
2207 if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2209 if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2211 if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2215 switch (ist->st->codecpar->codec_type) {
2216 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
2217 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
2218 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
2219 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
2220 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
2221 case AVMEDIA_TYPE_UNKNOWN:
2222 if (copy_unknown_streams) {
2223 ost = new_unknown_stream (o, oc, src_idx);
2227 av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
2228 "Cannot map stream #%d:%d - unsupported type.\n",
2229 map->file_index, map->stream_index);
2230 if (!ignore_unknown_streams) {
2231 av_log(NULL, AV_LOG_FATAL,
2232 "If you want unsupported types ignored instead "
2233 "of failing, please use the -ignore_unknown option\n"
2234 "If you want them copied, please use -copy_unknown\n");
2239 ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
2240 + map->sync_stream_index];
2245 /* handle attached files */
2246 for (i = 0; i < o->nb_attachments; i++) {
2248 uint8_t *attachment;
2252 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
2253 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
2257 if ((len = avio_size(pb)) <= 0) {
2258 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
2262 if (!(attachment = av_malloc(len))) {
2263 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
2267 avio_read(pb, attachment, len);
2269 ost = new_attachment_stream(o, oc, -1);
2270 ost->attachment_filename = o->attachments[i];
2271 ost->st->codecpar->extradata = attachment;
2272 ost->st->codecpar->extradata_size = len;
2274 p = strrchr(o->attachments[i], '/');
2275 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
2279 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
2280 AVDictionaryEntry *e;
2281 ost = output_streams[i];
2283 if ((ost->stream_copy || ost->attachment_filename)
2284 && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
2285 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
2286 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
2290 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2291 av_dump_format(oc, nb_output_files - 1, oc->filename, 1);
2292 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
2296 /* check if all codec options have been used */
2297 unused_opts = strip_specifiers(o->g->codec_opts);
2298 for (i = of->ost_index; i < nb_output_streams; i++) {
2300 while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
2301 AV_DICT_IGNORE_SUFFIX)))
2302 av_dict_set(&unused_opts, e->key, NULL, 0);
2306 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
2307 const AVClass *class = avcodec_get_class();
2308 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
2309 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2310 const AVClass *fclass = avformat_get_class();
2311 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
2312 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2313 if (!option || foption)
2317 if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
2318 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
2319 "output file #%d (%s) is not an encoding option.\n", e->key,
2320 option->help ? option->help : "", nb_output_files - 1,
2325 // gop_timecode is injected by generic code but not always used
2326 if (!strcmp(e->key, "gop_timecode"))
2329 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
2330 "output file #%d (%s) has not been used for any stream. The most "
2331 "likely reason is either wrong type (e.g. a video option with "
2332 "no video streams) or that it is a private option of some encoder "
2333 "which was not actually used for any stream.\n", e->key,
2334 option->help ? option->help : "", nb_output_files - 1, filename);
2336 av_dict_free(&unused_opts);
2338 /* set the decoding_needed flags and create simple filtergraphs */
2339 for (i = of->ost_index; i < nb_output_streams; i++) {
2340 OutputStream *ost = output_streams[i];
2342 if (ost->encoding_needed && ost->source_index >= 0) {
2343 InputStream *ist = input_streams[ost->source_index];
2344 ist->decoding_needed |= DECODING_FOR_OST;
2346 if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
2347 ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2348 err = init_simple_filtergraph(ist, ost);
2350 av_log(NULL, AV_LOG_ERROR,
2351 "Error initializing a simple filtergraph between streams "
2352 "%d:%d->%d:%d\n", ist->file_index, ost->source_index,
2353 nb_output_files - 1, ost->st->index);
2360 /* check filename in case of an image number is expected */
2361 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2362 if (!av_filename_number_test(oc->filename)) {
2363 print_error(oc->filename, AVERROR(EINVAL));
2368 if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
2369 av_log(NULL, AV_LOG_ERROR,
2370 "No input streams but output needs an input stream\n");
2374 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2375 /* test if it already exists to avoid losing precious files */
2376 assert_file_overwrite(filename);
2379 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
2380 &oc->interrupt_callback,
2382 print_error(filename, err);
2385 } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
2386 assert_file_overwrite(filename);
2388 if (o->mux_preload) {
2389 av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
2391 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
2394 for (i = 0; i < o->nb_metadata_map; i++) {
2396 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
2398 if (in_file_index >= nb_input_files) {
2399 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
2402 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
2403 in_file_index >= 0 ?
2404 input_files[in_file_index]->ctx : NULL, o);
2408 if (o->chapters_input_file >= nb_input_files) {
2409 if (o->chapters_input_file == INT_MAX) {
2410 /* copy chapters from the first input file that has them*/
2411 o->chapters_input_file = -1;
2412 for (i = 0; i < nb_input_files; i++)
2413 if (input_files[i]->ctx->nb_chapters) {
2414 o->chapters_input_file = i;
2418 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
2419 o->chapters_input_file);
2423 if (o->chapters_input_file >= 0)
2424 copy_chapters(input_files[o->chapters_input_file], of,
2425 !o->metadata_chapters_manual);
2427 /* copy global metadata by default */
2428 if (!o->metadata_global_manual && nb_input_files){
2429 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
2430 AV_DICT_DONT_OVERWRITE);
2431 if(o->recording_time != INT64_MAX)
2432 av_dict_set(&oc->metadata, "duration", NULL, 0);
2433 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
2435 if (!o->metadata_streams_manual)
2436 for (i = of->ost_index; i < nb_output_streams; i++) {
2438 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
2440 ist = input_streams[output_streams[i]->source_index];
2441 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
2442 if (!output_streams[i]->stream_copy) {
2443 av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
2444 if (ist->autorotate)
2445 av_dict_set(&output_streams[i]->st->metadata, "rotate", NULL, 0);
2449 /* process manually set programs */
2450 for (i = 0; i < o->nb_program; i++) {
2451 const char *p = o->program[i].u.str;
2456 const char *p2 = av_get_token(&p, ":");
2457 const char *to_dealloc = p2;
2464 key = av_get_token(&p2, "=");
2466 av_freep(&to_dealloc);
2472 if (!strcmp(key, "program_num"))
2473 progid = strtol(p2, NULL, 0);
2474 av_freep(&to_dealloc);
2478 program = av_new_program(oc, progid);
2480 p = o->program[i].u.str;
2482 const char *p2 = av_get_token(&p, ":");
2483 const char *to_dealloc = p2;
2489 key = av_get_token(&p2, "=");
2491 av_log(NULL, AV_LOG_FATAL,
2492 "No '=' character in program string %s.\n",
2500 if (!strcmp(key, "title")) {
2501 av_dict_set(&program->metadata, "title", p2, 0);
2502 } else if (!strcmp(key, "program_num")) {
2503 } else if (!strcmp(key, "st")) {
2504 int st_num = strtol(p2, NULL, 0);
2505 av_program_add_stream_index(oc, progid, st_num);
2507 av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
2510 av_freep(&to_dealloc);
2515 /* process manually set metadata */
2516 for (i = 0; i < o->nb_metadata; i++) {
2519 const char *stream_spec;
2520 int index = 0, j, ret = 0;
2522 val = strchr(o->metadata[i].u.str, '=');
2524 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
2525 o->metadata[i].u.str);
2530 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
2532 for (j = 0; j < oc->nb_streams; j++) {
2533 ost = output_streams[nb_output_streams - oc->nb_streams + j];
2534 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
2535 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
2536 if (!strcmp(o->metadata[i].u.str, "rotate")) {
2537 ost->rotate_overridden = 1;
2549 if (index < 0 || index >= oc->nb_chapters) {
2550 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
2553 m = &oc->chapters[index]->metadata;
2556 if (index < 0 || index >= oc->nb_programs) {
2557 av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
2560 m = &oc->programs[index]->metadata;
2563 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
2566 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
2573 static int opt_target(void *optctx, const char *opt, const char *arg)
2575 OptionsContext *o = optctx;
2576 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
2577 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
2579 if (!strncmp(arg, "pal-", 4)) {
2582 } else if (!strncmp(arg, "ntsc-", 5)) {
2585 } else if (!strncmp(arg, "film-", 5)) {
2589 /* Try to determine PAL/NTSC by peeking in the input files */
2590 if (nb_input_files) {
2592 for (j = 0; j < nb_input_files; j++) {
2593 for (i = 0; i < input_files[j]->nb_streams; i++) {
2594 AVStream *st = input_files[j]->ctx->streams[i];
2595 if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
2597 fr = st->time_base.den * 1000 / st->time_base.num;
2601 } else if ((fr == 29970) || (fr == 23976)) {
2606 if (norm != UNKNOWN)
2610 if (norm != UNKNOWN)
2611 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
2614 if (norm == UNKNOWN) {
2615 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
2616 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
2617 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
2621 if (!strcmp(arg, "vcd")) {
2622 opt_video_codec(o, "c:v", "mpeg1video");
2623 opt_audio_codec(o, "c:a", "mp2");
2624 parse_option(o, "f", "vcd", options);
2626 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
2627 parse_option(o, "r", frame_rates[norm], options);
2628 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2630 opt_default(NULL, "b:v", "1150000");
2631 opt_default(NULL, "maxrate:v", "1150000");
2632 opt_default(NULL, "minrate:v", "1150000");
2633 opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
2635 opt_default(NULL, "b:a", "224000");
2636 parse_option(o, "ar", "44100", options);
2637 parse_option(o, "ac", "2", options);
2639 opt_default(NULL, "packetsize", "2324");
2640 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
2642 /* We have to offset the PTS, so that it is consistent with the SCR.
2643 SCR starts at 36000, but the first two packs contain only padding
2644 and the first pack from the other stream, respectively, may also have
2645 been written before.
2646 So the real data starts at SCR 36000+3*1200. */
2647 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
2648 } else if (!strcmp(arg, "svcd")) {
2650 opt_video_codec(o, "c:v", "mpeg2video");
2651 opt_audio_codec(o, "c:a", "mp2");
2652 parse_option(o, "f", "svcd", options);
2654 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
2655 parse_option(o, "r", frame_rates[norm], options);
2656 parse_option(o, "pix_fmt", "yuv420p", options);
2657 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2659 opt_default(NULL, "b:v", "2040000");
2660 opt_default(NULL, "maxrate:v", "2516000");
2661 opt_default(NULL, "minrate:v", "0"); // 1145000;
2662 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2663 opt_default(NULL, "scan_offset", "1");
2665 opt_default(NULL, "b:a", "224000");
2666 parse_option(o, "ar", "44100", options);
2668 opt_default(NULL, "packetsize", "2324");
2670 } else if (!strcmp(arg, "dvd")) {
2672 opt_video_codec(o, "c:v", "mpeg2video");
2673 opt_audio_codec(o, "c:a", "ac3");
2674 parse_option(o, "f", "dvd", options);
2676 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2677 parse_option(o, "r", frame_rates[norm], options);
2678 parse_option(o, "pix_fmt", "yuv420p", options);
2679 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2681 opt_default(NULL, "b:v", "6000000");
2682 opt_default(NULL, "maxrate:v", "9000000");
2683 opt_default(NULL, "minrate:v", "0"); // 1500000;
2684 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2686 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
2687 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
2689 opt_default(NULL, "b:a", "448000");
2690 parse_option(o, "ar", "48000", options);
2692 } else if (!strncmp(arg, "dv", 2)) {
2694 parse_option(o, "f", "dv", options);
2696 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2697 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
2698 norm == PAL ? "yuv420p" : "yuv411p", options);
2699 parse_option(o, "r", frame_rates[norm], options);
2701 parse_option(o, "ar", "48000", options);
2702 parse_option(o, "ac", "2", options);
2705 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
2706 return AVERROR(EINVAL);
2709 av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
2710 av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
2715 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
2717 av_free (vstats_filename);
2718 vstats_filename = av_strdup (arg);
2722 static int opt_vstats(void *optctx, const char *opt, const char *arg)
2725 time_t today2 = time(NULL);
2726 struct tm *today = localtime(&today2);
2728 if (!today) { // maybe tomorrow
2729 av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
2733 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
2735 return opt_vstats_file(NULL, opt, filename);
2738 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
2740 OptionsContext *o = optctx;
2741 return parse_option(o, "frames:v", arg, options);
2744 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
2746 OptionsContext *o = optctx;
2747 return parse_option(o, "frames:a", arg, options);
2750 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
2752 OptionsContext *o = optctx;
2753 return parse_option(o, "frames:d", arg, options);
2756 static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
2759 AVDictionary *cbak = codec_opts;
2760 AVDictionary *fbak = format_opts;
2764 ret = opt_default(NULL, opt, arg);
2766 av_dict_copy(&o->g->codec_opts , codec_opts, 0);
2767 av_dict_copy(&o->g->format_opts, format_opts, 0);
2768 av_dict_free(&codec_opts);
2769 av_dict_free(&format_opts);
2776 static int opt_preset(void *optctx, const char *opt, const char *arg)
2778 OptionsContext *o = optctx;
2780 char filename[1000], line[1000], tmp_line[1000];
2781 const char *codec_name = NULL;
2785 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
2787 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
2788 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
2789 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
2791 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
2795 while (fgets(line, sizeof(line), f)) {
2796 char *key = tmp_line, *value, *endptr;
2798 if (strcspn(line, "#\n\r") == 0)
2800 av_strlcpy(tmp_line, line, sizeof(tmp_line));
2801 if (!av_strtok(key, "=", &value) ||
2802 !av_strtok(value, "\r\n", &endptr)) {
2803 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
2806 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
2808 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
2809 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
2810 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
2811 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
2812 else if (opt_default_new(o, key, value) < 0) {
2813 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
2814 filename, line, key, value);
2824 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2826 OptionsContext *o = optctx;
2827 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2828 int ret = parse_option(o, s, arg, options);
2833 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2835 OptionsContext *o = optctx;
2837 if(!strcmp(opt, "ab")){
2838 av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
2840 } else if(!strcmp(opt, "b")){
2841 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2842 av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
2845 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2849 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2851 OptionsContext *o = optctx;
2854 if(!strcmp(opt, "qscale")){
2855 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2856 return parse_option(o, "q:v", arg, options);
2858 s = av_asprintf("q%s", opt + 6);
2859 ret = parse_option(o, s, arg, options);
2864 static int opt_profile(void *optctx, const char *opt, const char *arg)
2866 OptionsContext *o = optctx;
2867 if(!strcmp(opt, "profile")){
2868 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2869 av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
2872 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2876 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2878 OptionsContext *o = optctx;
2879 return parse_option(o, "filter:v", arg, options);
2882 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
2884 OptionsContext *o = optctx;
2885 return parse_option(o, "filter:a", arg, options);
2888 static int opt_vsync(void *optctx, const char *opt, const char *arg)
2890 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2891 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
2892 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
2893 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
2895 if (video_sync_method == VSYNC_AUTO)
2896 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
2900 static int opt_timecode(void *optctx, const char *opt, const char *arg)
2902 OptionsContext *o = optctx;
2903 char *tcr = av_asprintf("timecode=%s", arg);
2904 int ret = parse_option(o, "metadata:g", tcr, options);
2906 ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
2911 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
2913 OptionsContext *o = optctx;
2914 char layout_str[32];
2917 int ret, channels, ac_str_size;
2920 layout = av_get_channel_layout(arg);
2922 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
2923 return AVERROR(EINVAL);
2925 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
2926 ret = opt_default_new(o, opt, layout_str);
2930 /* set 'ac' option based on channel layout */
2931 channels = av_get_channel_layout_nb_channels(layout);
2932 snprintf(layout_str, sizeof(layout_str), "%d", channels);
2933 stream_str = strchr(opt, ':');
2934 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
2935 ac_str = av_mallocz(ac_str_size);
2937 return AVERROR(ENOMEM);
2938 av_strlcpy(ac_str, "ac", 3);
2940 av_strlcat(ac_str, stream_str, ac_str_size);
2941 ret = parse_option(o, ac_str, layout_str, options);
2947 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
2949 OptionsContext *o = optctx;
2950 return parse_option(o, "q:a", arg, options);
2953 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
2955 GROW_ARRAY(filtergraphs, nb_filtergraphs);
2956 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2957 return AVERROR(ENOMEM);
2958 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2959 filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
2960 if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
2961 return AVERROR(ENOMEM);
2963 input_stream_potentially_available = 1;
2968 static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
2970 uint8_t *graph_desc = read_file(arg);
2972 return AVERROR(EINVAL);
2974 GROW_ARRAY(filtergraphs, nb_filtergraphs);
2975 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2976 return AVERROR(ENOMEM);
2977 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2978 filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
2980 input_stream_potentially_available = 1;
2985 void show_help_default(const char *opt, const char *arg)
2987 /* per-file options have at least one of those set */
2988 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
2989 int show_advanced = 0, show_avoptions = 0;
2992 if (!strcmp(opt, "long"))
2994 else if (!strcmp(opt, "full"))
2995 show_advanced = show_avoptions = 1;
2997 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
3002 printf("Getting help:\n"
3003 " -h -- print basic options\n"
3004 " -h long -- print more options\n"
3005 " -h full -- print all options (including all format and codec specific options, very long)\n"
3006 " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter\n"
3007 " See man %s for detailed description of the options.\n"
3008 "\n", program_name);
3010 show_help_options(options, "Print help / information / capabilities:",
3013 show_help_options(options, "Global options (affect whole program "
3014 "instead of just one file:",
3015 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
3017 show_help_options(options, "Advanced global options:", OPT_EXPERT,
3018 per_file | OPT_EXIT, 0);
3020 show_help_options(options, "Per-file main options:", 0,
3021 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
3022 OPT_EXIT, per_file);
3024 show_help_options(options, "Advanced per-file options:",
3025 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
3027 show_help_options(options, "Video options:",
3028 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
3030 show_help_options(options, "Advanced Video options:",
3031 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
3033 show_help_options(options, "Audio options:",
3034 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
3036 show_help_options(options, "Advanced Audio options:",
3037 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
3038 show_help_options(options, "Subtitle options:",
3039 OPT_SUBTITLE, 0, 0);
3042 if (show_avoptions) {
3043 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
3044 show_help_children(avcodec_get_class(), flags);
3045 show_help_children(avformat_get_class(), flags);
3047 show_help_children(sws_get_class(), flags);
3049 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
3050 show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
3054 void show_usage(void)
3056 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
3057 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3058 av_log(NULL, AV_LOG_INFO, "\n");
3066 static const OptionGroupDef groups[] = {
3067 [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT },
3068 [GROUP_INFILE] = { "input file", "i", OPT_INPUT },
3071 static int open_files(OptionGroupList *l, const char *inout,
3072 int (*open_file)(OptionsContext*, const char*))
3076 for (i = 0; i < l->nb_groups; i++) {
3077 OptionGroup *g = &l->groups[i];
3083 ret = parse_optgroup(&o, g);
3085 av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
3086 "%s.\n", inout, g->arg);
3090 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
3091 ret = open_file(&o, g->arg);
3094 av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
3098 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
3104 int ffmpeg_parse_options(int argc, char **argv)
3106 OptionParseContext octx;
3110 memset(&octx, 0, sizeof(octx));
3112 /* split the commandline into an internal representation */
3113 ret = split_commandline(&octx, argc, argv, options, groups,
3114 FF_ARRAY_ELEMS(groups));
3116 av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
3120 /* apply global options */
3121 ret = parse_optgroup(NULL, &octx.global_opts);
3123 av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
3127 /* open input files */
3128 ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
3130 av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
3134 /* create the complex filtergraphs */
3135 ret = init_complex_filters();
3137 av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
3141 /* open output files */
3142 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
3144 av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
3148 /* configure the complex filtergraphs */
3149 ret = configure_complex_filters();
3151 av_log(NULL, AV_LOG_FATAL, "Error configuring complex filters.\n");
3156 uninit_parse_context(&octx);
3158 av_strerror(ret, error, sizeof(error));
3159 av_log(NULL, AV_LOG_FATAL, "%s\n", error);
3164 static int opt_progress(void *optctx, const char *opt, const char *arg)
3166 AVIOContext *avio = NULL;
3169 if (!strcmp(arg, "-"))
3171 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
3173 av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
3174 arg, av_err2str(ret));
3177 progress_avio = avio;
3181 #define OFFSET(x) offsetof(OptionsContext, x)
3182 const OptionDef options[] = {
3184 #include "cmdutils_common_opts.h"
3185 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
3186 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
3187 "force format", "fmt" },
3188 { "y", OPT_BOOL, { &file_overwrite },
3189 "overwrite output files" },
3190 { "n", OPT_BOOL, { &no_file_overwrite },
3191 "never overwrite output files" },
3192 { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
3193 "Ignore unknown stream types" },
3194 { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
3195 "Copy unknown stream types" },
3196 { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
3197 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3198 "codec name", "codec" },
3199 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
3200 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3201 "codec name", "codec" },
3202 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
3203 OPT_OUTPUT, { .off = OFFSET(presets) },
3204 "preset name", "preset" },
3205 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3206 OPT_OUTPUT, { .func_arg = opt_map },
3207 "set input stream mapping",
3208 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
3209 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
3210 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
3211 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
3212 OPT_OUTPUT, { .off = OFFSET(metadata_map) },
3213 "set metadata information of outfile from infile",
3214 "outfile[,metadata]:infile[,metadata]" },
3215 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
3216 OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
3217 "set chapters mapping", "input_file_index" },
3218 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
3219 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
3220 "record or transcode \"duration\" seconds of audio/video",
3222 { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
3223 "record or transcode stop time", "time_stop" },
3224 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
3225 "set the limit file size in bytes", "limit_size" },
3226 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
3227 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
3228 "set the start time offset", "time_off" },
3229 { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
3230 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time_eof) },
3231 "set the start time offset relative to EOF", "time_off" },
3232 { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
3233 OPT_INPUT, { .off = OFFSET(seek_timestamp) },
3234 "enable/disable seeking by timestamp with -ss" },
3235 { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
3236 OPT_INPUT, { .off = OFFSET(accurate_seek) },
3237 "enable/disable accurate seeking with -ss" },
3238 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
3239 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
3240 "set the input ts offset", "time_off" },
3241 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
3242 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
3243 "set the input ts scale", "scale" },
3244 { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
3245 "set the recording timestamp ('now' to set the current time)", "time" },
3246 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
3247 "add metadata", "string=string" },
3248 { "program", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(program) },
3249 "add program with specified streams", "title=string:st=number..." },
3250 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3251 OPT_OUTPUT, { .func_arg = opt_data_frames },
3252 "set the number of data frames to output", "number" },
3253 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
3254 "add timings for benchmarking" },
3255 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
3256 "add timings for each task" },
3257 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
3258 "write program-readable progress information", "url" },
3259 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
3260 "enable or disable interaction on standard input" },
3261 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
3262 "set max runtime in seconds", "limit" },
3263 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
3264 "dump each input packet" },
3265 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
3266 "when dumping packets, also dump the payload" },
3267 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3268 OPT_INPUT, { .off = OFFSET(rate_emu) },
3269 "read input at native frame rate", "" },
3270 { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
3271 "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
3272 "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
3273 { "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
3274 "video sync method", "" },
3275 { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
3276 "frame drop threshold", "" },
3277 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
3278 "audio sync method", "" },
3279 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
3280 "audio drift threshold", "threshold" },
3281 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
3282 "copy timestamps" },
3283 { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
3284 "shift input timestamps to start at 0 when using copyts" },
3285 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
3286 "copy input stream time base when stream copying", "mode" },
3287 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3288 OPT_OUTPUT, { .off = OFFSET(shortest) },
3289 "finish encoding within shortest input" },
3290 { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
3291 OPT_OUTPUT, { .off = OFFSET(apad) },
3293 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
3294 "timestamp discontinuity delta threshold", "threshold" },
3295 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
3296 "timestamp error delta threshold", "threshold" },
3297 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
3298 "exit on error", "error" },
3299 { "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
3300 "abort on the specified condition flags", "flags" },
3301 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3302 OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
3303 "copy initial non-keyframes" },
3304 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
3305 "copy or discard frames before start time" },
3306 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
3307 "set the number of frames to output", "number" },
3308 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
3309 OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
3310 "force codec tag/fourcc", "fourcc/tag" },
3311 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
3312 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
3313 "use fixed quality scale (VBR)", "q" },
3314 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3315 OPT_OUTPUT, { .func_arg = opt_qscale },
3316 "use fixed quality scale (VBR)", "q" },
3317 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
3318 "set profile", "profile" },
3319 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
3320 "set stream filtergraph", "filter_graph" },
3321 { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
3322 "read stream filtergraph description from a file", "filename" },
3323 { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
3324 "reinit filtergraph on input parameter changes", "" },
3325 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3326 "create a complex filtergraph", "graph_description" },
3327 { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3328 "create a complex filtergraph", "graph_description" },
3329 { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
3330 "read complex filtergraph description from a file", "filename" },
3331 { "stats", OPT_BOOL, { &print_stats },
3332 "print progress report during encoding", },
3333 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3334 OPT_OUTPUT, { .func_arg = opt_attach },
3335 "add an attachment to the output file", "filename" },
3336 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
3337 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
3338 "extract an attachment into a file", "filename" },
3339 { "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
3340 OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
3341 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
3342 "print timestamp debugging info" },
3343 { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
3344 "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
3345 { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
3346 OPT_INPUT, { .off = OFFSET(discard) },
3348 { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
3349 OPT_OUTPUT, { .off = OFFSET(disposition) },
3350 "disposition", "" },
3351 { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
3352 { .off = OFFSET(thread_queue_size) },
3353 "set the maximum number of queued packets from the demuxer" },
3356 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
3357 "set the number of video frames to output", "number" },
3358 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3359 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
3360 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3361 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
3362 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
3363 "set frame size (WxH or abbreviation)", "size" },
3364 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3365 OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
3366 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3367 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3368 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
3369 "set pixel format", "format" },
3370 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
3371 "set the number of bits per raw sample", "number" },
3372 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
3373 "deprecated use -g 1" },
3374 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
3376 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3377 OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
3378 "rate control override for specific intervals", "override" },
3379 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
3380 OPT_OUTPUT, { .func_arg = opt_video_codec },
3381 "force video codec ('copy' to copy stream)", "codec" },
3382 { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3384 { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3386 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
3387 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
3388 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
3389 "select the pass number (1 to 3)", "n" },
3390 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
3391 OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
3392 "select two pass log file name prefix", "prefix" },
3393 { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
3394 "this option is deprecated, use the yadif filter instead" },
3395 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
3396 "calculate PSNR of compressed frames" },
3397 { "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
3398 "dump video coding statistics to file" },
3399 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
3400 "dump video coding statistics to file", "file" },
3401 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
3402 "set video filters", "filter_graph" },
3403 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3404 OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
3405 "specify intra matrix coeffs", "matrix" },
3406 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3407 OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
3408 "specify inter matrix coeffs", "matrix" },
3409 { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3410 OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
3411 "specify intra matrix coeffs", "matrix" },
3412 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
3413 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
3414 "top=1/bottom=0/auto=-1 field first", "" },
3415 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3416 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
3417 "force video tag/fourcc", "fourcc/tag" },
3418 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
3419 "show QP histogram" },
3420 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3421 OPT_OUTPUT, { .off = OFFSET(force_fps) },
3422 "force the selected framerate, disable the best supported framerate selection" },
3423 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3424 OPT_OUTPUT, { .func_arg = opt_streamid },
3425 "set the value of an outfile streamid", "streamIndex:value" },
3426 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3427 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
3428 "force key frames at specified timestamps", "timestamps" },
3429 { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3430 "audio bitrate (please use -b:a)", "bitrate" },
3431 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3432 "video bitrate (please use -b:v)", "bitrate" },
3433 { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3434 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
3435 "use HW accelerated decoding", "hwaccel name" },
3436 { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3437 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
3438 "select a device for HW acceleration", "devicename" },
3439 { "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3440 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
3441 "select output format used with HW accelerated decoding", "format" },
3442 #if CONFIG_VDA || CONFIG_VIDEOTOOLBOX
3443 { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
3445 { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
3446 "show available HW acceleration methods" },
3447 { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
3448 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
3449 "automatically insert correct rotate filters" },
3450 { "hwaccel_lax_profile_check", OPT_BOOL | OPT_EXPERT, { &hwaccel_lax_profile_check},
3451 "attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream" },
3454 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
3455 "set the number of audio frames to output", "number" },
3456 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
3457 "set audio quality (codec-specific)", "quality", },
3458 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3459 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
3460 "set audio sampling rate (in Hz)", "rate" },
3461 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3462 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
3463 "set number of audio channels", "channels" },
3464 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
3466 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
3467 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
3468 "force audio codec ('copy' to copy stream)", "codec" },
3469 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3470 OPT_OUTPUT, { .func_arg = opt_old2new },
3471 "force audio tag/fourcc", "fourcc/tag" },
3472 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
3473 "change audio volume (256=normal)" , "volume" },
3474 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
3475 OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
3476 "set sample format", "format" },
3477 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3478 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
3479 "set channel layout", "layout" },
3480 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
3481 "set audio filters", "filter_graph" },
3482 { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
3483 "set the maximum number of channels to try to guess the channel layout" },
3485 /* subtitle options */
3486 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
3487 "disable subtitle" },
3488 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
3489 "force subtitle codec ('copy' to copy stream)", "codec" },
3490 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
3491 , "force subtitle tag/fourcc", "fourcc/tag" },
3492 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
3493 "fix subtitles duration" },
3494 { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
3495 "set canvas size (WxH or abbreviation)", "size" },
3498 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
3499 "deprecated, use -channel", "channel" },
3500 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
3501 "deprecated, use -standard", "standard" },
3502 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
3505 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
3506 "set the maximum demux-decode delay", "seconds" },
3507 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
3508 "set the initial demux-decode delay", "seconds" },
3509 { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
3510 "override the options from ffserver", "" },
3511 { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
3512 "specify a file in which to print sdp information", "file" },
3514 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
3515 "A comma-separated list of bitstream filters", "bitstream_filters" },
3516 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3517 "deprecated", "audio bitstream_filters" },
3518 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3519 "deprecated", "video bitstream_filters" },
3521 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3522 "set the audio options to the indicated preset", "preset" },
3523 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3524 "set the video options to the indicated preset", "preset" },
3525 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3526 "set the subtitle options to the indicated preset", "preset" },
3527 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3528 "set options from indicated preset file", "filename" },
3529 /* data codec support */
3530 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
3531 "force data codec ('copy' to copy stream)", "codec" },
3532 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
3536 { "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
3537 "set VAAPI hardware device (DRM path or X11 display name)", "device" },