2 * ffmpeg option parsing
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "libavformat/avformat.h"
28 #include "libavcodec/avcodec.h"
30 #include "libavfilter/avfilter.h"
32 #include "libavutil/avassert.h"
33 #include "libavutil/avstring.h"
34 #include "libavutil/avutil.h"
35 #include "libavutil/channel_layout.h"
36 #include "libavutil/intreadwrite.h"
37 #include "libavutil/fifo.h"
38 #include "libavutil/mathematics.h"
39 #include "libavutil/opt.h"
40 #include "libavutil/parseutils.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/pixfmt.h"
44 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
46 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
49 for (i = 0; i < o->nb_ ## name; i++) {\
50 char *spec = o->name[i].specifier;\
51 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
52 outvar = o->name[i].u.type;\
58 #define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
61 for (i = 0; i < o->nb_ ## name; i++) {\
62 char *spec = o->name[i].specifier;\
63 if (!strcmp(spec, mediatype))\
64 outvar = o->name[i].u.type;\
68 const HWAccel hwaccels[] = {
70 { "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
73 { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD },
76 { "vda", videotoolbox_init, HWACCEL_VDA, AV_PIX_FMT_VDA },
78 #if CONFIG_VIDEOTOOLBOX
79 { "videotoolbox", videotoolbox_init, HWACCEL_VIDEOTOOLBOX, AV_PIX_FMT_VIDEOTOOLBOX },
82 { "qsv", qsv_init, HWACCEL_QSV, AV_PIX_FMT_QSV },
85 { "vaapi", vaapi_decode_init, HWACCEL_VAAPI, AV_PIX_FMT_VAAPI },
88 { "cuvid", cuvid_init, HWACCEL_CUVID, AV_PIX_FMT_CUDA },
92 int hwaccel_lax_profile_check = 0;
93 AVBufferRef *hw_device_ctx;
95 char *vstats_filename;
98 float audio_drift_threshold = 0.1;
99 float dts_delta_threshold = 10;
100 float dts_error_threshold = 3600*30;
102 int audio_volume = 256;
103 int audio_sync_method = 0;
104 int video_sync_method = VSYNC_AUTO;
105 float frame_drop_threshold = 0;
106 int do_deinterlace = 0;
107 int do_benchmark = 0;
108 int do_benchmark_all = 0;
112 int start_at_zero = 0;
115 int exit_on_error = 0;
116 int abort_on_flags = 0;
117 int print_stats = -1;
119 int stdin_interaction = 1;
120 int frame_bits_per_raw_sample = 0;
121 float max_error_rate = 2.0/3;
124 static int intra_only = 0;
125 static int file_overwrite = 0;
126 static int no_file_overwrite = 0;
127 static int do_psnr = 0;
128 static int input_sync;
129 static int override_ffserver = 0;
130 static int input_stream_potentially_available = 0;
131 static int ignore_unknown_streams = 0;
132 static int copy_unknown_streams = 0;
134 static void uninit_options(OptionsContext *o)
136 const OptionDef *po = options;
139 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
141 void *dst = (uint8_t*)o + po->u.off;
143 if (po->flags & OPT_SPEC) {
144 SpecifierOpt **so = dst;
145 int i, *count = (int*)(so + 1);
146 for (i = 0; i < *count; i++) {
147 av_freep(&(*so)[i].specifier);
148 if (po->flags & OPT_STRING)
149 av_freep(&(*so)[i].u.str);
153 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
158 for (i = 0; i < o->nb_stream_maps; i++)
159 av_freep(&o->stream_maps[i].linklabel);
160 av_freep(&o->stream_maps);
161 av_freep(&o->audio_channel_maps);
162 av_freep(&o->streamid_map);
163 av_freep(&o->attachments);
166 static void init_options(OptionsContext *o)
168 memset(o, 0, sizeof(*o));
170 o->stop_time = INT64_MAX;
171 o->mux_max_delay = 0.7;
172 o->start_time = AV_NOPTS_VALUE;
173 o->start_time_eof = AV_NOPTS_VALUE;
174 o->recording_time = INT64_MAX;
175 o->limit_filesize = UINT64_MAX;
176 o->chapters_input_file = INT_MAX;
177 o->accurate_seek = 1;
180 static int show_hwaccels(void *optctx, const char *opt, const char *arg)
184 printf("Hardware acceleration methods:\n");
185 for (i = 0; i < FF_ARRAY_ELEMS(hwaccels) - 1; i++) {
186 printf("%s\n", hwaccels[i].name);
192 /* return a copy of the input with the stream specifiers removed from the keys */
193 static AVDictionary *strip_specifiers(AVDictionary *dict)
195 AVDictionaryEntry *e = NULL;
196 AVDictionary *ret = NULL;
198 while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
199 char *p = strchr(e->key, ':');
203 av_dict_set(&ret, e->key, e->value, 0);
210 static int opt_abort_on(void *optctx, const char *opt, const char *arg)
212 static const AVOption opts[] = {
213 { "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
214 { "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
217 static const AVClass class = {
219 .item_name = av_default_item_name,
221 .version = LIBAVUTIL_VERSION_INT,
223 const AVClass *pclass = &class;
225 return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
228 static int opt_sameq(void *optctx, const char *opt, const char *arg)
230 av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
231 "If you are looking for an option to preserve the quality (which is not "
232 "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
234 return AVERROR(EINVAL);
237 static int opt_video_channel(void *optctx, const char *opt, const char *arg)
239 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
240 return opt_default(optctx, "channel", arg);
243 static int opt_video_standard(void *optctx, const char *opt, const char *arg)
245 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
246 return opt_default(optctx, "standard", arg);
249 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
251 OptionsContext *o = optctx;
252 return parse_option(o, "codec:a", arg, options);
255 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
257 OptionsContext *o = optctx;
258 return parse_option(o, "codec:v", arg, options);
261 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
263 OptionsContext *o = optctx;
264 return parse_option(o, "codec:s", arg, options);
267 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
269 OptionsContext *o = optctx;
270 return parse_option(o, "codec:d", arg, options);
273 static int opt_map(void *optctx, const char *opt, const char *arg)
275 OptionsContext *o = optctx;
277 int i, negative = 0, file_idx;
278 int sync_file_idx = -1, sync_stream_idx = 0;
287 map = av_strdup(arg);
289 return AVERROR(ENOMEM);
291 /* parse sync stream first, just pick first matching stream */
292 if (sync = strchr(map, ',')) {
294 sync_file_idx = strtol(sync + 1, &sync, 0);
295 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
296 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
301 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
302 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
303 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
307 if (i == input_files[sync_file_idx]->nb_streams) {
308 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
309 "match any streams.\n", arg);
316 /* this mapping refers to lavfi output */
317 const char *c = map + 1;
318 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
319 m = &o->stream_maps[o->nb_stream_maps - 1];
320 m->linklabel = av_get_token(&c, "]");
322 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
326 if (allow_unused = strchr(map, '?'))
328 file_idx = strtol(map, &p, 0);
329 if (file_idx >= nb_input_files || file_idx < 0) {
330 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
334 /* disable some already defined maps */
335 for (i = 0; i < o->nb_stream_maps; i++) {
336 m = &o->stream_maps[i];
337 if (file_idx == m->file_index &&
338 check_stream_specifier(input_files[m->file_index]->ctx,
339 input_files[m->file_index]->ctx->streams[m->stream_index],
340 *p == ':' ? p + 1 : p) > 0)
344 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
345 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
346 *p == ':' ? p + 1 : p) <= 0)
348 GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
349 m = &o->stream_maps[o->nb_stream_maps - 1];
351 m->file_index = file_idx;
354 if (sync_file_idx >= 0) {
355 m->sync_file_index = sync_file_idx;
356 m->sync_stream_index = sync_stream_idx;
358 m->sync_file_index = file_idx;
359 m->sync_stream_index = i;
366 av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
368 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
369 "To ignore this, add a trailing '?' to the map.\n", arg);
378 static int opt_attach(void *optctx, const char *opt, const char *arg)
380 OptionsContext *o = optctx;
381 GROW_ARRAY(o->attachments, o->nb_attachments);
382 o->attachments[o->nb_attachments - 1] = arg;
386 static int opt_map_channel(void *optctx, const char *opt, const char *arg)
388 OptionsContext *o = optctx;
393 GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
394 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
396 /* muted channel syntax */
397 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
398 if ((n == 1 || n == 3) && m->channel_idx == -1) {
399 m->file_idx = m->stream_idx = -1;
401 m->ofile_idx = m->ostream_idx = -1;
406 n = sscanf(arg, "%d.%d.%d:%d.%d",
407 &m->file_idx, &m->stream_idx, &m->channel_idx,
408 &m->ofile_idx, &m->ostream_idx);
410 if (n != 3 && n != 5) {
411 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
412 "[file.stream.channel|-1][:syncfile:syncstream]\n");
416 if (n != 5) // only file.stream.channel specified
417 m->ofile_idx = m->ostream_idx = -1;
420 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
421 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
425 if (m->stream_idx < 0 ||
426 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
427 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
428 m->file_idx, m->stream_idx);
431 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
432 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
433 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
434 m->file_idx, m->stream_idx);
437 if (m->channel_idx < 0 || m->channel_idx >= st->codecpar->channels) {
438 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
439 m->file_idx, m->stream_idx, m->channel_idx);
445 static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
447 av_free(sdp_filename);
448 sdp_filename = av_strdup(arg);
453 static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
456 err = vaapi_device_init(arg);
464 * Parse a metadata specifier passed as 'arg' parameter.
465 * @param arg metadata string to parse
466 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
467 * @param index for type c/p, chapter/program index is written here
468 * @param stream_spec for type s, the stream specifier is written here
470 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
478 if (*(++arg) && *arg != ':') {
479 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
482 *stream_spec = *arg == ':' ? arg + 1 : "";
487 *index = strtol(++arg, NULL, 0);
490 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
497 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
499 AVDictionary **meta_in = NULL;
500 AVDictionary **meta_out = NULL;
502 char type_in, type_out;
503 const char *istream_spec = NULL, *ostream_spec = NULL;
504 int idx_in = 0, idx_out = 0;
506 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
507 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
510 if (type_out == 'g' || !*outspec)
511 o->metadata_global_manual = 1;
512 if (type_out == 's' || !*outspec)
513 o->metadata_streams_manual = 1;
514 if (type_out == 'c' || !*outspec)
515 o->metadata_chapters_manual = 1;
519 if (type_in == 'g' || type_out == 'g')
520 o->metadata_global_manual = 1;
521 if (type_in == 's' || type_out == 's')
522 o->metadata_streams_manual = 1;
523 if (type_in == 'c' || type_out == 'c')
524 o->metadata_chapters_manual = 1;
526 /* ic is NULL when just disabling automatic mappings */
530 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
531 if ((index) < 0 || (index) >= (nb_elems)) {\
532 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
537 #define SET_DICT(type, meta, context, index)\
540 meta = &context->metadata;\
543 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
544 meta = &context->chapters[index]->metadata;\
547 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
548 meta = &context->programs[index]->metadata;\
551 break; /* handled separately below */ \
552 default: av_assert0(0);\
555 SET_DICT(type_in, meta_in, ic, idx_in);
556 SET_DICT(type_out, meta_out, oc, idx_out);
558 /* for input streams choose first matching stream */
559 if (type_in == 's') {
560 for (i = 0; i < ic->nb_streams; i++) {
561 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
562 meta_in = &ic->streams[i]->metadata;
568 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
573 if (type_out == 's') {
574 for (i = 0; i < oc->nb_streams; i++) {
575 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
576 meta_out = &oc->streams[i]->metadata;
577 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
582 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
587 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
589 OptionsContext *o = optctx;
591 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
592 struct tm time = *gmtime((time_t*)&recording_timestamp);
593 if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
595 parse_option(o, "metadata", buf, options);
597 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
598 "tag instead.\n", opt);
602 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
604 const AVCodecDescriptor *desc;
605 const char *codec_string = encoder ? "encoder" : "decoder";
609 avcodec_find_encoder_by_name(name) :
610 avcodec_find_decoder_by_name(name);
612 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
613 codec = encoder ? avcodec_find_encoder(desc->id) :
614 avcodec_find_decoder(desc->id);
616 av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
617 codec_string, codec->name, desc->name);
621 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
624 if (codec->type != type) {
625 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
631 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
633 char *codec_name = NULL;
635 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
637 AVCodec *codec = find_codec_or_die(codec_name, st->codecpar->codec_type, 0);
638 st->codecpar->codec_id = codec->id;
641 return avcodec_find_decoder(st->codecpar->codec_id);
644 /* Add all the streams from the given input file to the global
645 * list of input streams. */
646 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
650 for (i = 0; i < ic->nb_streams; i++) {
651 AVStream *st = ic->streams[i];
652 AVCodecParameters *par = st->codecpar;
653 InputStream *ist = av_mallocz(sizeof(*ist));
654 char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
655 char *hwaccel_output_format = NULL;
656 char *codec_tag = NULL;
658 char *discard_str = NULL;
659 const AVClass *cc = avcodec_get_class();
660 const AVOption *discard_opt = av_opt_find(&cc, "skip_frame", NULL, 0, 0);
665 GROW_ARRAY(input_streams, nb_input_streams);
666 input_streams[nb_input_streams - 1] = ist;
669 ist->file_index = nb_input_files;
671 st->discard = AVDISCARD_ALL;
673 ist->min_pts = INT64_MAX;
674 ist->max_pts = INT64_MIN;
677 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
680 MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
682 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
684 uint32_t tag = strtol(codec_tag, &next, 0);
686 tag = AV_RL32(codec_tag);
687 st->codecpar->codec_tag = tag;
690 ist->dec = choose_decoder(o, ic, st);
691 ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codecpar->codec_id, ic, st, ist->dec);
693 ist->reinit_filters = -1;
694 MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
696 MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
697 ist->user_set_discard = AVDISCARD_NONE;
698 if (discard_str && av_opt_eval_int(&cc, discard_opt, discard_str, &ist->user_set_discard) < 0) {
699 av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
704 ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
706 ist->dec_ctx = avcodec_alloc_context3(ist->dec);
708 av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
712 ret = avcodec_parameters_to_context(ist->dec_ctx, par);
714 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
718 switch (par->codec_type) {
719 case AVMEDIA_TYPE_VIDEO:
721 ist->dec = avcodec_find_decoder(par->codec_id);
723 if (av_codec_get_lowres(st->codec)) {
724 av_codec_set_lowres(ist->dec_ctx, av_codec_get_lowres(st->codec));
725 ist->dec_ctx->width = st->codec->width;
726 ist->dec_ctx->height = st->codec->height;
727 ist->dec_ctx->coded_width = st->codec->coded_width;
728 ist->dec_ctx->coded_height = st->codec->coded_height;
729 ist->dec_ctx->flags |= CODEC_FLAG_EMU_EDGE;
733 // avformat_find_stream_info() doesn't set this for us anymore.
734 ist->dec_ctx->framerate = st->avg_frame_rate;
736 ist->resample_height = ist->dec_ctx->height;
737 ist->resample_width = ist->dec_ctx->width;
738 ist->resample_pix_fmt = ist->dec_ctx->pix_fmt;
740 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
741 if (framerate && av_parse_video_rate(&ist->framerate,
743 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
748 ist->top_field_first = -1;
749 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
751 MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
753 if (!strcmp(hwaccel, "none"))
754 ist->hwaccel_id = HWACCEL_NONE;
755 else if (!strcmp(hwaccel, "auto"))
756 ist->hwaccel_id = HWACCEL_AUTO;
759 for (i = 0; hwaccels[i].name; i++) {
760 if (!strcmp(hwaccels[i].name, hwaccel)) {
761 ist->hwaccel_id = hwaccels[i].id;
766 if (!ist->hwaccel_id) {
767 av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
769 av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
770 for (i = 0; hwaccels[i].name; i++)
771 av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name);
772 av_log(NULL, AV_LOG_FATAL, "\n");
778 MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
779 if (hwaccel_device) {
780 ist->hwaccel_device = av_strdup(hwaccel_device);
781 if (!ist->hwaccel_device)
785 MATCH_PER_STREAM_OPT(hwaccel_output_formats, str,
786 hwaccel_output_format, ic, st);
787 if (hwaccel_output_format) {
788 ist->hwaccel_output_format = av_get_pix_fmt(hwaccel_output_format);
789 if (ist->hwaccel_output_format == AV_PIX_FMT_NONE) {
790 av_log(NULL, AV_LOG_FATAL, "Unrecognised hwaccel output "
791 "format: %s", hwaccel_output_format);
794 ist->hwaccel_output_format = AV_PIX_FMT_NONE;
797 ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
800 case AVMEDIA_TYPE_AUDIO:
801 ist->guess_layout_max = INT_MAX;
802 MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
803 guess_input_channel_layout(ist);
805 ist->resample_sample_fmt = ist->dec_ctx->sample_fmt;
806 ist->resample_sample_rate = ist->dec_ctx->sample_rate;
807 ist->resample_channels = ist->dec_ctx->channels;
808 ist->resample_channel_layout = ist->dec_ctx->channel_layout;
811 case AVMEDIA_TYPE_DATA:
812 case AVMEDIA_TYPE_SUBTITLE: {
813 char *canvas_size = NULL;
815 ist->dec = avcodec_find_decoder(par->codec_id);
816 MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
817 MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
819 av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
820 av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
825 case AVMEDIA_TYPE_ATTACHMENT:
826 case AVMEDIA_TYPE_UNKNOWN:
832 ret = avcodec_parameters_from_context(par, ist->dec_ctx);
834 av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
840 static void assert_file_overwrite(const char *filename)
842 if (file_overwrite && no_file_overwrite) {
843 fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
847 if (!file_overwrite) {
848 const char *proto_name = avio_find_protocol_name(filename);
849 if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
850 if (stdin_interaction && !no_file_overwrite) {
851 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
854 signal(SIGINT, SIG_DFL);
856 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
862 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
869 static void dump_attachment(AVStream *st, const char *filename)
872 AVIOContext *out = NULL;
873 AVDictionaryEntry *e;
875 if (!st->codecpar->extradata_size) {
876 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
877 nb_input_files - 1, st->index);
880 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
883 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
884 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
888 assert_file_overwrite(filename);
890 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
891 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
896 avio_write(out, st->codecpar->extradata, st->codecpar->extradata_size);
901 static int open_input_file(OptionsContext *o, const char *filename)
905 AVInputFormat *file_iformat = NULL;
909 AVDictionary *unused_opts = NULL;
910 AVDictionaryEntry *e = NULL;
911 int orig_nb_streams; // number of streams before avformat_find_stream_info
912 char * video_codec_name = NULL;
913 char * audio_codec_name = NULL;
914 char *subtitle_codec_name = NULL;
915 char * data_codec_name = NULL;
916 int scan_all_pmts_set = 0;
919 if (!(file_iformat = av_find_input_format(o->format))) {
920 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
925 if (!strcmp(filename, "-"))
928 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
929 strcmp(filename, "/dev/stdin");
931 /* get default parameters from command line */
932 ic = avformat_alloc_context();
934 print_error(filename, AVERROR(ENOMEM));
937 if (o->nb_audio_sample_rate) {
938 av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
940 if (o->nb_audio_channels) {
941 /* because we set audio_channels based on both the "ac" and
942 * "channel_layout" options, we need to check that the specified
943 * demuxer actually has the "channels" option before setting it */
944 if (file_iformat && file_iformat->priv_class &&
945 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
946 AV_OPT_SEARCH_FAKE_OBJ)) {
947 av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
950 if (o->nb_frame_rates) {
951 /* set the format-level framerate option;
952 * this is important for video grabbers, e.g. x11 */
953 if (file_iformat && file_iformat->priv_class &&
954 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
955 AV_OPT_SEARCH_FAKE_OBJ)) {
956 av_dict_set(&o->g->format_opts, "framerate",
957 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
960 if (o->nb_frame_sizes) {
961 av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
963 if (o->nb_frame_pix_fmts)
964 av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
966 MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
967 MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
968 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
969 MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
971 ic->video_codec_id = video_codec_name ?
972 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
973 ic->audio_codec_id = audio_codec_name ?
974 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
975 ic->subtitle_codec_id= subtitle_codec_name ?
976 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
977 ic->data_codec_id = data_codec_name ?
978 find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0)->id : AV_CODEC_ID_NONE;
980 if (video_codec_name)
981 av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0));
982 if (audio_codec_name)
983 av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0));
984 if (subtitle_codec_name)
985 av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0));
987 av_format_set_data_codec(ic, find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0));
989 ic->flags |= AVFMT_FLAG_NONBLOCK;
990 ic->interrupt_callback = int_cb;
992 if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
993 av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
994 scan_all_pmts_set = 1;
996 /* open the input file with generic avformat function */
997 err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
999 print_error(filename, err);
1000 if (err == AVERROR_PROTOCOL_NOT_FOUND)
1001 av_log(NULL, AV_LOG_ERROR, "Did you mean file:%s?\n", filename);
1004 if (scan_all_pmts_set)
1005 av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
1006 remove_avoptions(&o->g->format_opts, o->g->codec_opts);
1007 assert_avoptions(o->g->format_opts);
1009 /* apply forced codec ids */
1010 for (i = 0; i < ic->nb_streams; i++)
1011 choose_decoder(o, ic, ic->streams[i]);
1013 /* Set AVCodecContext options for avformat_find_stream_info */
1014 opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
1015 orig_nb_streams = ic->nb_streams;
1017 /* If not enough info to get the stream parameters, we decode the
1018 first frames to get it. (used in mpeg case for example) */
1019 ret = avformat_find_stream_info(ic, opts);
1021 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
1022 if (ic->nb_streams == 0) {
1023 avformat_close_input(&ic);
1028 if (o->start_time_eof != AV_NOPTS_VALUE) {
1029 if (ic->duration>0) {
1030 o->start_time = o->start_time_eof + ic->duration;
1032 av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
1034 timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
1035 /* add the stream start time */
1036 if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
1037 timestamp += ic->start_time;
1039 /* if seeking requested, we execute it */
1040 if (o->start_time != AV_NOPTS_VALUE) {
1041 int64_t seek_timestamp = timestamp;
1043 if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
1044 int dts_heuristic = 0;
1045 for (i=0; i<ic->nb_streams; i++) {
1046 const AVCodecParameters *par = ic->streams[i]->codecpar;
1047 if (par->video_delay)
1050 if (dts_heuristic) {
1051 seek_timestamp -= 3*AV_TIME_BASE / 23;
1054 ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
1056 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
1057 filename, (double)timestamp / AV_TIME_BASE);
1061 /* update the current parameters so that they match the one of the input stream */
1062 add_input_streams(o, ic);
1064 /* dump the file content */
1065 av_dump_format(ic, nb_input_files, filename, 0);
1067 GROW_ARRAY(input_files, nb_input_files);
1068 f = av_mallocz(sizeof(*f));
1071 input_files[nb_input_files - 1] = f;
1074 f->ist_index = nb_input_streams - ic->nb_streams;
1075 f->start_time = o->start_time;
1076 f->recording_time = o->recording_time;
1077 f->input_ts_offset = o->input_ts_offset;
1078 f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
1079 f->nb_streams = ic->nb_streams;
1080 f->rate_emu = o->rate_emu;
1081 f->accurate_seek = o->accurate_seek;
1084 f->time_base = (AVRational){ 1, 1 };
1086 f->thread_queue_size = o->thread_queue_size > 0 ? o->thread_queue_size : 8;
1089 /* check if all codec options have been used */
1090 unused_opts = strip_specifiers(o->g->codec_opts);
1091 for (i = f->ist_index; i < nb_input_streams; i++) {
1093 while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
1094 AV_DICT_IGNORE_SUFFIX)))
1095 av_dict_set(&unused_opts, e->key, NULL, 0);
1099 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
1100 const AVClass *class = avcodec_get_class();
1101 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
1102 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1103 const AVClass *fclass = avformat_get_class();
1104 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
1105 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
1106 if (!option || foption)
1110 if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
1111 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
1112 "input file #%d (%s) is not a decoding option.\n", e->key,
1113 option->help ? option->help : "", nb_input_files - 1,
1118 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
1119 "input file #%d (%s) has not been used for any stream. The most "
1120 "likely reason is either wrong type (e.g. a video option with "
1121 "no video streams) or that it is a private option of some decoder "
1122 "which was not actually used for any stream.\n", e->key,
1123 option->help ? option->help : "", nb_input_files - 1, filename);
1125 av_dict_free(&unused_opts);
1127 for (i = 0; i < o->nb_dump_attachment; i++) {
1130 for (j = 0; j < ic->nb_streams; j++) {
1131 AVStream *st = ic->streams[j];
1133 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
1134 dump_attachment(st, o->dump_attachment[i].u.str);
1138 for (i = 0; i < orig_nb_streams; i++)
1139 av_dict_free(&opts[i]);
1142 input_stream_potentially_available = 1;
1147 static uint8_t *get_line(AVIOContext *s)
1153 if (avio_open_dyn_buf(&line) < 0) {
1154 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
1158 while ((c = avio_r8(s)) && c != '\n')
1161 avio_close_dyn_buf(line, &buf);
1166 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
1169 char filename[1000];
1170 const char *base[3] = { getenv("AVCONV_DATADIR"),
1175 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
1179 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
1180 i != 1 ? "" : "/.avconv", codec_name, preset_name);
1181 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1184 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
1185 i != 1 ? "" : "/.avconv", preset_name);
1186 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
1192 static int choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
1194 enum AVMediaType type = ost->st->codecpar->codec_type;
1195 char *codec_name = NULL;
1197 if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO || type == AVMEDIA_TYPE_SUBTITLE) {
1198 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
1200 ost->st->codecpar->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
1201 NULL, ost->st->codecpar->codec_type);
1202 ost->enc = avcodec_find_encoder(ost->st->codecpar->codec_id);
1204 av_log(NULL, AV_LOG_FATAL, "Automatic encoder selection failed for "
1205 "output stream #%d:%d. Default encoder for format %s (codec %s) is "
1206 "probably disabled. Please choose an encoder manually.\n",
1207 ost->file_index, ost->index, s->oformat->name,
1208 avcodec_get_name(ost->st->codecpar->codec_id));
1209 return AVERROR_ENCODER_NOT_FOUND;
1211 } else if (!strcmp(codec_name, "copy"))
1212 ost->stream_copy = 1;
1214 ost->enc = find_codec_or_die(codec_name, ost->st->codecpar->codec_type, 1);
1215 ost->st->codecpar->codec_id = ost->enc->id;
1217 ost->encoding_needed = !ost->stream_copy;
1219 /* no encoding supported for other media types */
1220 ost->stream_copy = 1;
1221 ost->encoding_needed = 0;
1227 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
1230 AVStream *st = avformat_new_stream(oc, NULL);
1231 int idx = oc->nb_streams - 1, ret = 0;
1232 const char *bsfs = NULL;
1233 char *next, *codec_tag = NULL;
1238 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
1242 if (oc->nb_streams - 1 < o->nb_streamid_map)
1243 st->id = o->streamid_map[oc->nb_streams - 1];
1245 GROW_ARRAY(output_streams, nb_output_streams);
1246 if (!(ost = av_mallocz(sizeof(*ost))))
1248 output_streams[nb_output_streams - 1] = ost;
1250 ost->file_index = nb_output_files - 1;
1253 st->codecpar->codec_type = type;
1255 ret = choose_encoder(o, oc, ost);
1257 av_log(NULL, AV_LOG_FATAL, "Error selecting an encoder for stream "
1258 "%d:%d\n", ost->file_index, ost->index);
1262 ost->enc_ctx = avcodec_alloc_context3(ost->enc);
1263 if (!ost->enc_ctx) {
1264 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
1267 ost->enc_ctx->codec_type = type;
1269 ost->ref_par = avcodec_parameters_alloc();
1270 if (!ost->ref_par) {
1271 av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding parameters.\n");
1276 AVIOContext *s = NULL;
1277 char *buf = NULL, *arg = NULL, *preset = NULL;
1279 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
1281 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
1282 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
1285 if (!buf[0] || buf[0] == '#') {
1289 if (!(arg = strchr(buf, '='))) {
1290 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
1294 av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
1296 } while (!s->eof_reached);
1300 av_log(NULL, AV_LOG_FATAL,
1301 "Preset %s specified for stream %d:%d, but could not be opened.\n",
1302 preset, ost->file_index, ost->index);
1306 ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
1309 ost->max_frames = INT64_MAX;
1310 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
1311 for (i = 0; i<o->nb_max_frames; i++) {
1312 char *p = o->max_frames[i].specifier;
1313 if (!*p && type != AVMEDIA_TYPE_VIDEO) {
1314 av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
1319 ost->copy_prior_start = -1;
1320 MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
1322 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsfs, oc, st);
1323 while (bsfs && *bsfs) {
1324 const AVBitStreamFilter *filter;
1325 char *bsf, *bsf_options_str, *bsf_name;
1327 bsf = av_get_token(&bsfs, ",");
1330 bsf_name = av_strtok(bsf, "=", &bsf_options_str);
1334 filter = av_bsf_get_by_name(bsf_name);
1336 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf_name);
1340 ost->bsf_ctx = av_realloc_array(ost->bsf_ctx,
1341 ost->nb_bitstream_filters + 1,
1342 sizeof(*ost->bsf_ctx));
1346 ret = av_bsf_alloc(filter, &ost->bsf_ctx[ost->nb_bitstream_filters]);
1348 av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
1352 ost->nb_bitstream_filters++;
1354 if (bsf_options_str && filter->priv_class) {
1355 const AVOption *opt = av_opt_next(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, NULL);
1356 const char * shorthand[2] = {NULL};
1359 shorthand[0] = opt->name;
1361 ret = av_opt_set_from_string(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, bsf_options_str, shorthand, "=", ":");
1363 av_log(NULL, AV_LOG_ERROR, "Error parsing options for bitstream filter %s\n", bsf_name);
1372 if (ost->nb_bitstream_filters) {
1373 ost->bsf_extradata_updated = av_mallocz_array(ost->nb_bitstream_filters, sizeof(*ost->bsf_extradata_updated));
1374 if (!ost->bsf_extradata_updated) {
1375 av_log(NULL, AV_LOG_FATAL, "Bitstream filter memory allocation failed\n");
1380 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
1382 uint32_t tag = strtol(codec_tag, &next, 0);
1384 tag = AV_RL32(codec_tag);
1385 ost->st->codecpar->codec_tag =
1386 ost->enc_ctx->codec_tag = tag;
1389 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
1391 ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
1392 ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
1395 MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
1396 ost->disposition = av_strdup(ost->disposition);
1398 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
1399 ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
1401 av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
1403 av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
1404 if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
1405 av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
1407 av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
1409 ost->source_index = source_index;
1410 if (source_index >= 0) {
1411 ost->sync_ist = input_streams[source_index];
1412 input_streams[source_index]->discard = 0;
1413 input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
1415 ost->last_mux_dts = AV_NOPTS_VALUE;
1420 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
1423 const char *p = str;
1430 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
1437 /* read file contents into a string */
1438 static uint8_t *read_file(const char *filename)
1440 AVIOContext *pb = NULL;
1441 AVIOContext *dyn_buf = NULL;
1442 int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
1443 uint8_t buf[1024], *str;
1446 av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
1450 ret = avio_open_dyn_buf(&dyn_buf);
1455 while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
1456 avio_write(dyn_buf, buf, ret);
1457 avio_w8(dyn_buf, 0);
1460 ret = avio_close_dyn_buf(dyn_buf, &str);
1466 static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
1469 AVStream *st = ost->st;
1471 if (ost->filters_script && ost->filters) {
1472 av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
1473 "output stream #%d:%d.\n", nb_output_files, st->index);
1477 if (ost->filters_script)
1478 return read_file(ost->filters_script);
1479 else if (ost->filters)
1480 return av_strdup(ost->filters);
1482 return av_strdup(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ?
1486 static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
1487 const OutputStream *ost, enum AVMediaType type)
1489 if (ost->filters_script || ost->filters) {
1490 av_log(NULL, AV_LOG_ERROR,
1491 "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
1492 "Filtering and streamcopy cannot be used together.\n",
1493 ost->filters ? "Filtergraph" : "Filtergraph script",
1494 ost->filters ? ost->filters : ost->filters_script,
1495 av_get_media_type_string(type), ost->file_index, ost->index);
1500 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1504 AVCodecContext *video_enc;
1505 char *frame_rate = NULL, *frame_aspect_ratio = NULL;
1507 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
1509 video_enc = ost->enc_ctx;
1511 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
1512 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
1513 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
1516 if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
1517 av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
1519 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
1520 if (frame_aspect_ratio) {
1522 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
1523 q.num <= 0 || q.den <= 0) {
1524 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
1527 ost->frame_aspect_ratio = q;
1530 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1531 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1533 if (!ost->stream_copy) {
1534 const char *p = NULL;
1535 char *frame_size = NULL;
1536 char *frame_pix_fmt = NULL;
1537 char *intra_matrix = NULL, *inter_matrix = NULL;
1538 char *chroma_intra_matrix = NULL;
1542 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1543 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
1544 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1548 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
1549 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
1550 if (frame_pix_fmt && *frame_pix_fmt == '+') {
1551 ost->keep_pix_fmt = 1;
1552 if (!*++frame_pix_fmt)
1553 frame_pix_fmt = NULL;
1555 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
1556 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
1559 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
1562 video_enc->gop_size = 0;
1563 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
1565 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
1566 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1569 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
1571 MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
1572 if (chroma_intra_matrix) {
1573 uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
1575 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
1578 av_codec_set_chroma_intra_matrix(video_enc, p);
1579 parse_matrix_coeffs(p, chroma_intra_matrix);
1581 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
1583 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
1584 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
1587 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
1590 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
1591 for (i = 0; p; i++) {
1593 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
1595 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
1598 video_enc->rc_override =
1599 av_realloc_array(video_enc->rc_override,
1600 i + 1, sizeof(RcOverride));
1601 if (!video_enc->rc_override) {
1602 av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
1605 video_enc->rc_override[i].start_frame = start;
1606 video_enc->rc_override[i].end_frame = end;
1608 video_enc->rc_override[i].qscale = q;
1609 video_enc->rc_override[i].quality_factor = 1.0;
1612 video_enc->rc_override[i].qscale = 0;
1613 video_enc->rc_override[i].quality_factor = -q/100.0;
1618 video_enc->rc_override_count = i;
1621 video_enc->flags|= AV_CODEC_FLAG_PSNR;
1624 MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
1627 video_enc->flags |= AV_CODEC_FLAG_PASS1;
1628 av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
1631 video_enc->flags |= AV_CODEC_FLAG_PASS2;
1632 av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
1636 MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
1637 if (ost->logfile_prefix &&
1638 !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
1642 char logfilename[1024];
1645 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1646 ost->logfile_prefix ? ost->logfile_prefix :
1647 DEFAULT_PASS_LOGFILENAME_PREFIX,
1649 if (!strcmp(ost->enc->name, "libx264")) {
1650 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1652 if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
1653 char *logbuffer = read_file(logfilename);
1656 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1660 video_enc->stats_in = logbuffer;
1662 if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
1663 f = av_fopen_utf8(logfilename, "wb");
1665 av_log(NULL, AV_LOG_FATAL,
1666 "Cannot write log file '%s' for pass-1 encoding: %s\n",
1667 logfilename, strerror(errno));
1675 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
1676 if (ost->forced_keyframes)
1677 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
1679 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
1681 ost->top_field_first = -1;
1682 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
1685 ost->avfilter = get_ost_filters(o, oc, ost);
1689 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
1692 if (ost->stream_copy)
1693 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
1698 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1703 AVCodecContext *audio_enc;
1705 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
1708 audio_enc = ost->enc_ctx;
1709 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
1711 MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
1712 MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
1714 if (!ost->stream_copy) {
1715 char *sample_fmt = NULL;
1717 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
1719 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
1721 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
1722 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
1726 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
1728 MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
1729 ost->apad = av_strdup(ost->apad);
1731 ost->avfilter = get_ost_filters(o, oc, ost);
1735 /* check for channel mapping for this audio stream */
1736 for (n = 0; n < o->nb_audio_channel_maps; n++) {
1737 AudioChannelMap *map = &o->audio_channel_maps[n];
1738 if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
1739 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
1742 if (map->channel_idx == -1) {
1744 } else if (ost->source_index < 0) {
1745 av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
1746 ost->file_index, ost->st->index);
1749 ist = input_streams[ost->source_index];
1752 if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
1753 if (av_reallocp_array(&ost->audio_channels_map,
1754 ost->audio_channels_mapped + 1,
1755 sizeof(*ost->audio_channels_map)
1759 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
1765 if (ost->stream_copy)
1766 check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
1771 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1775 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
1776 if (!ost->stream_copy) {
1777 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
1784 static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1788 ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
1789 if (!ost->stream_copy) {
1790 av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
1797 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1799 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
1800 ost->stream_copy = 1;
1805 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
1809 AVCodecContext *subtitle_enc;
1811 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
1813 subtitle_enc = ost->enc_ctx;
1815 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1817 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
1819 if (!ost->stream_copy) {
1820 char *frame_size = NULL;
1822 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
1823 if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
1824 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
1832 /* arg format is "output-stream-index:streamid-value". */
1833 static int opt_streamid(void *optctx, const char *opt, const char *arg)
1835 OptionsContext *o = optctx;
1840 av_strlcpy(idx_str, arg, sizeof(idx_str));
1841 p = strchr(idx_str, ':');
1843 av_log(NULL, AV_LOG_FATAL,
1844 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
1849 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
1850 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
1851 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
1855 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
1857 AVFormatContext *is = ifile->ctx;
1858 AVFormatContext *os = ofile->ctx;
1862 tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
1864 return AVERROR(ENOMEM);
1867 for (i = 0; i < is->nb_chapters; i++) {
1868 AVChapter *in_ch = is->chapters[i], *out_ch;
1869 int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
1870 int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
1871 AV_TIME_BASE_Q, in_ch->time_base);
1872 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
1873 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1876 if (in_ch->end < ts_off)
1878 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1881 out_ch = av_mallocz(sizeof(AVChapter));
1883 return AVERROR(ENOMEM);
1885 out_ch->id = in_ch->id;
1886 out_ch->time_base = in_ch->time_base;
1887 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1888 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1891 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1893 os->chapters[os->nb_chapters++] = out_ch;
1898 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
1901 AVFormatContext *ic = avformat_alloc_context();
1903 ic->interrupt_callback = int_cb;
1904 err = avformat_open_input(&ic, filename, NULL, NULL);
1907 /* copy stream format */
1908 for(i=0;i<ic->nb_streams;i++) {
1912 const char *enc_config;
1914 codec = avcodec_find_encoder(ic->streams[i]->codecpar->codec_id);
1916 av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codecpar->codec_id);
1917 return AVERROR(EINVAL);
1919 if (codec->type == AVMEDIA_TYPE_AUDIO)
1920 opt_audio_codec(o, "c:a", codec->name);
1921 else if (codec->type == AVMEDIA_TYPE_VIDEO)
1922 opt_video_codec(o, "c:v", codec->name);
1923 ost = new_output_stream(o, s, codec->type, -1);
1926 avcodec_get_context_defaults3(st->codec, codec);
1927 enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
1929 AVDictionary *opts = NULL;
1930 av_dict_parse_string(&opts, enc_config, "=", ",", 0);
1931 av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
1932 av_dict_free(&opts);
1935 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
1936 choose_sample_fmt(st, codec);
1937 else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
1938 choose_pixel_fmt(st, st->codec, codec, st->codecpar->format);
1939 avcodec_copy_context(ost->enc_ctx, st->codec);
1941 av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
1944 avformat_close_input(&ic);
1948 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
1949 AVFormatContext *oc)
1953 switch (ofilter->type) {
1954 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
1955 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
1957 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
1962 ost->source_index = -1;
1963 ost->filter = ofilter;
1967 if (ost->stream_copy) {
1968 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
1969 "which is fed from a complex filtergraph. Filtering and streamcopy "
1970 "cannot be used together.\n", ost->file_index, ost->index);
1974 if (ost->avfilter && (ost->filters || ost->filters_script)) {
1975 const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
1976 av_log(NULL, AV_LOG_ERROR,
1977 "%s '%s' was specified through the %s option "
1978 "for output stream %d:%d, which is fed from a complex filtergraph.\n"
1979 "%s and -filter_complex cannot be used together for the same stream.\n",
1980 ost->filters ? "Filtergraph" : "Filtergraph script",
1981 ost->filters ? ost->filters : ost->filters_script,
1982 opt, ost->file_index, ost->index, opt);
1986 avfilter_inout_free(&ofilter->out_tmp);
1989 static int init_complex_filters(void)
1993 for (i = 0; i < nb_filtergraphs; i++) {
1994 ret = init_complex_filtergraph(filtergraphs[i]);
2001 static int configure_complex_filters(void)
2005 for (i = 0; i < nb_filtergraphs; i++)
2006 if (!filtergraph_is_simple(filtergraphs[i]) &&
2007 (ret = configure_filtergraph(filtergraphs[i])) < 0)
2012 static int open_output_file(OptionsContext *o, const char *filename)
2014 AVFormatContext *oc;
2016 AVOutputFormat *file_oformat;
2020 AVDictionary *unused_opts = NULL;
2021 AVDictionaryEntry *e = NULL;
2024 if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
2025 o->stop_time = INT64_MAX;
2026 av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
2029 if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
2030 int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
2031 if (o->stop_time <= start_time) {
2032 av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
2035 o->recording_time = o->stop_time - start_time;
2039 GROW_ARRAY(output_files, nb_output_files);
2040 of = av_mallocz(sizeof(*of));
2043 output_files[nb_output_files - 1] = of;
2045 of->ost_index = nb_output_streams;
2046 of->recording_time = o->recording_time;
2047 of->start_time = o->start_time;
2048 of->limit_filesize = o->limit_filesize;
2049 of->shortest = o->shortest;
2050 av_dict_copy(&of->opts, o->g->format_opts, 0);
2052 if (!strcmp(filename, "-"))
2055 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
2057 print_error(filename, err);
2062 if (o->recording_time != INT64_MAX)
2063 oc->duration = o->recording_time;
2065 file_oformat= oc->oformat;
2066 oc->interrupt_callback = int_cb;
2068 /* create streams for all unlabeled output pads */
2069 for (i = 0; i < nb_filtergraphs; i++) {
2070 FilterGraph *fg = filtergraphs[i];
2071 for (j = 0; j < fg->nb_outputs; j++) {
2072 OutputFilter *ofilter = fg->outputs[j];
2074 if (!ofilter->out_tmp || ofilter->out_tmp->name)
2077 switch (ofilter->type) {
2078 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
2079 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
2080 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
2082 init_output_filter(ofilter, o, oc);
2086 /* ffserver seeking with date=... needs a date reference */
2087 if (!strcmp(file_oformat->name, "ffm") &&
2088 av_strstart(filename, "http:", NULL)) {
2089 int err = parse_option(o, "metadata", "creation_time=now", options);
2091 print_error(filename, err);
2096 if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
2097 av_strstart(filename, "http:", NULL)) {
2099 /* special case for files sent to ffserver: we get the stream
2100 parameters from ffserver */
2101 int err = read_ffserver_streams(o, oc, filename);
2103 print_error(filename, err);
2106 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
2107 ost = output_streams[j];
2108 for (i = 0; i < nb_input_streams; i++) {
2109 ist = input_streams[i];
2110 if(ist->st->codecpar->codec_type == ost->st->codecpar->codec_type){
2112 ost->source_index= i;
2113 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
2114 if(ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
2116 ist->st->discard = ist->user_set_discard;
2121 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));
2125 } else if (!o->nb_stream_maps) {
2126 char *subtitle_codec_name = NULL;
2127 /* pick the "best" stream of each type */
2129 /* video: highest resolution */
2130 if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
2131 int area = 0, idx = -1;
2132 int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
2133 for (i = 0; i < nb_input_streams; i++) {
2135 ist = input_streams[i];
2136 new_area = ist->st->codecpar->width * ist->st->codecpar->height + 100000000*!!ist->st->codec_info_nb_frames;
2137 if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2139 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2141 if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
2148 new_video_stream(o, oc, idx);
2151 /* audio: most channels */
2152 if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
2153 int best_score = 0, idx = -1;
2154 for (i = 0; i < nb_input_streams; i++) {
2156 ist = input_streams[i];
2157 score = ist->st->codecpar->channels + 100000000*!!ist->st->codec_info_nb_frames;
2158 if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
2159 score > best_score) {
2165 new_audio_stream(o, oc, idx);
2168 /* subtitles: pick first */
2169 MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
2170 if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
2171 for (i = 0; i < nb_input_streams; i++)
2172 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2173 AVCodecDescriptor const *input_descriptor =
2174 avcodec_descriptor_get(input_streams[i]->st->codecpar->codec_id);
2175 AVCodecDescriptor const *output_descriptor = NULL;
2176 AVCodec const *output_codec =
2177 avcodec_find_encoder(oc->oformat->subtitle_codec);
2178 int input_props = 0, output_props = 0;
2180 output_descriptor = avcodec_descriptor_get(output_codec->id);
2181 if (input_descriptor)
2182 input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2183 if (output_descriptor)
2184 output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
2185 if (subtitle_codec_name ||
2186 input_props & output_props ||
2187 // Map dvb teletext which has neither property to any output subtitle encoder
2188 input_descriptor && output_descriptor &&
2189 (!input_descriptor->props ||
2190 !output_descriptor->props)) {
2191 new_subtitle_stream(o, oc, i);
2196 /* Data only if codec id match */
2197 if (!o->data_disable ) {
2198 enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
2199 for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
2200 if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_DATA
2201 && input_streams[i]->st->codecpar->codec_id == codec_id )
2202 new_data_stream(o, oc, i);
2206 for (i = 0; i < o->nb_stream_maps; i++) {
2207 StreamMap *map = &o->stream_maps[i];
2212 if (map->linklabel) {
2214 OutputFilter *ofilter = NULL;
2217 for (j = 0; j < nb_filtergraphs; j++) {
2218 fg = filtergraphs[j];
2219 for (k = 0; k < fg->nb_outputs; k++) {
2220 AVFilterInOut *out = fg->outputs[k]->out_tmp;
2221 if (out && !strcmp(out->name, map->linklabel)) {
2222 ofilter = fg->outputs[k];
2229 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
2230 "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
2233 init_output_filter(ofilter, o, oc);
2235 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
2237 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
2238 if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
2240 if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2242 if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2244 if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2248 switch (ist->st->codecpar->codec_type) {
2249 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
2250 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
2251 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
2252 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
2253 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
2254 case AVMEDIA_TYPE_UNKNOWN:
2255 if (copy_unknown_streams) {
2256 ost = new_unknown_stream (o, oc, src_idx);
2260 av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
2261 "Cannot map stream #%d:%d - unsupported type.\n",
2262 map->file_index, map->stream_index);
2263 if (!ignore_unknown_streams) {
2264 av_log(NULL, AV_LOG_FATAL,
2265 "If you want unsupported types ignored instead "
2266 "of failing, please use the -ignore_unknown option\n"
2267 "If you want them copied, please use -copy_unknown\n");
2272 ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
2273 + map->sync_stream_index];
2278 /* handle attached files */
2279 for (i = 0; i < o->nb_attachments; i++) {
2281 uint8_t *attachment;
2285 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
2286 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
2290 if ((len = avio_size(pb)) <= 0) {
2291 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
2295 if (!(attachment = av_malloc(len))) {
2296 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
2300 avio_read(pb, attachment, len);
2302 ost = new_attachment_stream(o, oc, -1);
2303 ost->stream_copy = 0;
2304 ost->attachment_filename = o->attachments[i];
2305 ost->st->codecpar->extradata = attachment;
2306 ost->st->codecpar->extradata_size = len;
2308 p = strrchr(o->attachments[i], '/');
2309 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
2313 #if FF_API_LAVF_AVCTX
2314 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
2315 AVDictionaryEntry *e;
2316 ost = output_streams[i];
2318 if ((ost->stream_copy || ost->attachment_filename)
2319 && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
2320 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
2321 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
2326 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2327 av_dump_format(oc, nb_output_files - 1, oc->filename, 1);
2328 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
2332 /* check if all codec options have been used */
2333 unused_opts = strip_specifiers(o->g->codec_opts);
2334 for (i = of->ost_index; i < nb_output_streams; i++) {
2336 while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
2337 AV_DICT_IGNORE_SUFFIX)))
2338 av_dict_set(&unused_opts, e->key, NULL, 0);
2342 while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
2343 const AVClass *class = avcodec_get_class();
2344 const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
2345 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2346 const AVClass *fclass = avformat_get_class();
2347 const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
2348 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
2349 if (!option || foption)
2353 if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
2354 av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
2355 "output file #%d (%s) is not an encoding option.\n", e->key,
2356 option->help ? option->help : "", nb_output_files - 1,
2361 // gop_timecode is injected by generic code but not always used
2362 if (!strcmp(e->key, "gop_timecode"))
2365 av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
2366 "output file #%d (%s) has not been used for any stream. The most "
2367 "likely reason is either wrong type (e.g. a video option with "
2368 "no video streams) or that it is a private option of some encoder "
2369 "which was not actually used for any stream.\n", e->key,
2370 option->help ? option->help : "", nb_output_files - 1, filename);
2372 av_dict_free(&unused_opts);
2374 /* set the decoding_needed flags and create simple filtergraphs */
2375 for (i = of->ost_index; i < nb_output_streams; i++) {
2376 OutputStream *ost = output_streams[i];
2378 if (ost->encoding_needed && ost->source_index >= 0) {
2379 InputStream *ist = input_streams[ost->source_index];
2380 ist->decoding_needed |= DECODING_FOR_OST;
2382 if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
2383 ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2384 err = init_simple_filtergraph(ist, ost);
2386 av_log(NULL, AV_LOG_ERROR,
2387 "Error initializing a simple filtergraph between streams "
2388 "%d:%d->%d:%d\n", ist->file_index, ost->source_index,
2389 nb_output_files - 1, ost->st->index);
2396 /* check filename in case of an image number is expected */
2397 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2398 if (!av_filename_number_test(oc->filename)) {
2399 print_error(oc->filename, AVERROR(EINVAL));
2404 if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
2405 av_log(NULL, AV_LOG_ERROR,
2406 "No input streams but output needs an input stream\n");
2410 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2411 /* test if it already exists to avoid losing precious files */
2412 assert_file_overwrite(filename);
2415 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
2416 &oc->interrupt_callback,
2418 print_error(filename, err);
2421 } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
2422 assert_file_overwrite(filename);
2424 if (o->mux_preload) {
2425 av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
2427 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
2430 for (i = 0; i < o->nb_metadata_map; i++) {
2432 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
2434 if (in_file_index >= nb_input_files) {
2435 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
2438 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
2439 in_file_index >= 0 ?
2440 input_files[in_file_index]->ctx : NULL, o);
2444 if (o->chapters_input_file >= nb_input_files) {
2445 if (o->chapters_input_file == INT_MAX) {
2446 /* copy chapters from the first input file that has them*/
2447 o->chapters_input_file = -1;
2448 for (i = 0; i < nb_input_files; i++)
2449 if (input_files[i]->ctx->nb_chapters) {
2450 o->chapters_input_file = i;
2454 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
2455 o->chapters_input_file);
2459 if (o->chapters_input_file >= 0)
2460 copy_chapters(input_files[o->chapters_input_file], of,
2461 !o->metadata_chapters_manual);
2463 /* copy global metadata by default */
2464 if (!o->metadata_global_manual && nb_input_files){
2465 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
2466 AV_DICT_DONT_OVERWRITE);
2467 if(o->recording_time != INT64_MAX)
2468 av_dict_set(&oc->metadata, "duration", NULL, 0);
2469 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
2471 if (!o->metadata_streams_manual)
2472 for (i = of->ost_index; i < nb_output_streams; i++) {
2474 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
2476 ist = input_streams[output_streams[i]->source_index];
2477 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
2478 if (!output_streams[i]->stream_copy) {
2479 av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
2480 if (ist->autorotate)
2481 av_dict_set(&output_streams[i]->st->metadata, "rotate", NULL, 0);
2485 /* process manually set programs */
2486 for (i = 0; i < o->nb_program; i++) {
2487 const char *p = o->program[i].u.str;
2492 const char *p2 = av_get_token(&p, ":");
2493 const char *to_dealloc = p2;
2500 key = av_get_token(&p2, "=");
2502 av_freep(&to_dealloc);
2508 if (!strcmp(key, "program_num"))
2509 progid = strtol(p2, NULL, 0);
2510 av_freep(&to_dealloc);
2514 program = av_new_program(oc, progid);
2516 p = o->program[i].u.str;
2518 const char *p2 = av_get_token(&p, ":");
2519 const char *to_dealloc = p2;
2525 key = av_get_token(&p2, "=");
2527 av_log(NULL, AV_LOG_FATAL,
2528 "No '=' character in program string %s.\n",
2536 if (!strcmp(key, "title")) {
2537 av_dict_set(&program->metadata, "title", p2, 0);
2538 } else if (!strcmp(key, "program_num")) {
2539 } else if (!strcmp(key, "st")) {
2540 int st_num = strtol(p2, NULL, 0);
2541 av_program_add_stream_index(oc, progid, st_num);
2543 av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
2546 av_freep(&to_dealloc);
2551 /* process manually set metadata */
2552 for (i = 0; i < o->nb_metadata; i++) {
2555 const char *stream_spec;
2556 int index = 0, j, ret = 0;
2558 val = strchr(o->metadata[i].u.str, '=');
2560 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
2561 o->metadata[i].u.str);
2566 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
2568 for (j = 0; j < oc->nb_streams; j++) {
2569 ost = output_streams[nb_output_streams - oc->nb_streams + j];
2570 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
2571 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
2572 if (!strcmp(o->metadata[i].u.str, "rotate")) {
2573 ost->rotate_overridden = 1;
2585 if (index < 0 || index >= oc->nb_chapters) {
2586 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
2589 m = &oc->chapters[index]->metadata;
2592 if (index < 0 || index >= oc->nb_programs) {
2593 av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
2596 m = &oc->programs[index]->metadata;
2599 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
2602 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
2609 static int opt_target(void *optctx, const char *opt, const char *arg)
2611 OptionsContext *o = optctx;
2612 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
2613 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
2615 if (!strncmp(arg, "pal-", 4)) {
2618 } else if (!strncmp(arg, "ntsc-", 5)) {
2621 } else if (!strncmp(arg, "film-", 5)) {
2625 /* Try to determine PAL/NTSC by peeking in the input files */
2626 if (nb_input_files) {
2628 for (j = 0; j < nb_input_files; j++) {
2629 for (i = 0; i < input_files[j]->nb_streams; i++) {
2630 AVStream *st = input_files[j]->ctx->streams[i];
2631 if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
2633 fr = st->time_base.den * 1000 / st->time_base.num;
2637 } else if ((fr == 29970) || (fr == 23976)) {
2642 if (norm != UNKNOWN)
2646 if (norm != UNKNOWN)
2647 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
2650 if (norm == UNKNOWN) {
2651 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
2652 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
2653 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
2657 if (!strcmp(arg, "vcd")) {
2658 opt_video_codec(o, "c:v", "mpeg1video");
2659 opt_audio_codec(o, "c:a", "mp2");
2660 parse_option(o, "f", "vcd", options);
2662 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
2663 parse_option(o, "r", frame_rates[norm], options);
2664 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2666 opt_default(NULL, "b:v", "1150000");
2667 opt_default(NULL, "maxrate:v", "1150000");
2668 opt_default(NULL, "minrate:v", "1150000");
2669 opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
2671 opt_default(NULL, "b:a", "224000");
2672 parse_option(o, "ar", "44100", options);
2673 parse_option(o, "ac", "2", options);
2675 opt_default(NULL, "packetsize", "2324");
2676 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
2678 /* We have to offset the PTS, so that it is consistent with the SCR.
2679 SCR starts at 36000, but the first two packs contain only padding
2680 and the first pack from the other stream, respectively, may also have
2681 been written before.
2682 So the real data starts at SCR 36000+3*1200. */
2683 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
2684 } else if (!strcmp(arg, "svcd")) {
2686 opt_video_codec(o, "c:v", "mpeg2video");
2687 opt_audio_codec(o, "c:a", "mp2");
2688 parse_option(o, "f", "svcd", options);
2690 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
2691 parse_option(o, "r", frame_rates[norm], options);
2692 parse_option(o, "pix_fmt", "yuv420p", options);
2693 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2695 opt_default(NULL, "b:v", "2040000");
2696 opt_default(NULL, "maxrate:v", "2516000");
2697 opt_default(NULL, "minrate:v", "0"); // 1145000;
2698 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2699 opt_default(NULL, "scan_offset", "1");
2701 opt_default(NULL, "b:a", "224000");
2702 parse_option(o, "ar", "44100", options);
2704 opt_default(NULL, "packetsize", "2324");
2706 } else if (!strcmp(arg, "dvd")) {
2708 opt_video_codec(o, "c:v", "mpeg2video");
2709 opt_audio_codec(o, "c:a", "ac3");
2710 parse_option(o, "f", "dvd", options);
2712 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2713 parse_option(o, "r", frame_rates[norm], options);
2714 parse_option(o, "pix_fmt", "yuv420p", options);
2715 opt_default(NULL, "g", norm == PAL ? "15" : "18");
2717 opt_default(NULL, "b:v", "6000000");
2718 opt_default(NULL, "maxrate:v", "9000000");
2719 opt_default(NULL, "minrate:v", "0"); // 1500000;
2720 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
2722 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
2723 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
2725 opt_default(NULL, "b:a", "448000");
2726 parse_option(o, "ar", "48000", options);
2728 } else if (!strncmp(arg, "dv", 2)) {
2730 parse_option(o, "f", "dv", options);
2732 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
2733 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
2734 norm == PAL ? "yuv420p" : "yuv411p", options);
2735 parse_option(o, "r", frame_rates[norm], options);
2737 parse_option(o, "ar", "48000", options);
2738 parse_option(o, "ac", "2", options);
2741 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
2742 return AVERROR(EINVAL);
2745 av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
2746 av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
2751 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
2753 av_free (vstats_filename);
2754 vstats_filename = av_strdup (arg);
2758 static int opt_vstats(void *optctx, const char *opt, const char *arg)
2761 time_t today2 = time(NULL);
2762 struct tm *today = localtime(&today2);
2764 if (!today) { // maybe tomorrow
2765 av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
2769 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
2771 return opt_vstats_file(NULL, opt, filename);
2774 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
2776 OptionsContext *o = optctx;
2777 return parse_option(o, "frames:v", arg, options);
2780 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
2782 OptionsContext *o = optctx;
2783 return parse_option(o, "frames:a", arg, options);
2786 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
2788 OptionsContext *o = optctx;
2789 return parse_option(o, "frames:d", arg, options);
2792 static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
2795 AVDictionary *cbak = codec_opts;
2796 AVDictionary *fbak = format_opts;
2800 ret = opt_default(NULL, opt, arg);
2802 av_dict_copy(&o->g->codec_opts , codec_opts, 0);
2803 av_dict_copy(&o->g->format_opts, format_opts, 0);
2804 av_dict_free(&codec_opts);
2805 av_dict_free(&format_opts);
2812 static int opt_preset(void *optctx, const char *opt, const char *arg)
2814 OptionsContext *o = optctx;
2816 char filename[1000], line[1000], tmp_line[1000];
2817 const char *codec_name = NULL;
2821 MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
2823 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
2824 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
2825 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
2827 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
2831 while (fgets(line, sizeof(line), f)) {
2832 char *key = tmp_line, *value, *endptr;
2834 if (strcspn(line, "#\n\r") == 0)
2836 av_strlcpy(tmp_line, line, sizeof(tmp_line));
2837 if (!av_strtok(key, "=", &value) ||
2838 !av_strtok(value, "\r\n", &endptr)) {
2839 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
2842 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
2844 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
2845 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
2846 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
2847 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
2848 else if (opt_default_new(o, key, value) < 0) {
2849 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
2850 filename, line, key, value);
2860 static int opt_old2new(void *optctx, const char *opt, const char *arg)
2862 OptionsContext *o = optctx;
2863 char *s = av_asprintf("%s:%c", opt + 1, *opt);
2864 int ret = parse_option(o, s, arg, options);
2869 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
2871 OptionsContext *o = optctx;
2873 if(!strcmp(opt, "ab")){
2874 av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
2876 } else if(!strcmp(opt, "b")){
2877 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
2878 av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
2881 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2885 static int opt_qscale(void *optctx, const char *opt, const char *arg)
2887 OptionsContext *o = optctx;
2890 if(!strcmp(opt, "qscale")){
2891 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
2892 return parse_option(o, "q:v", arg, options);
2894 s = av_asprintf("q%s", opt + 6);
2895 ret = parse_option(o, s, arg, options);
2900 static int opt_profile(void *optctx, const char *opt, const char *arg)
2902 OptionsContext *o = optctx;
2903 if(!strcmp(opt, "profile")){
2904 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
2905 av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
2908 av_dict_set(&o->g->codec_opts, opt, arg, 0);
2912 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
2914 OptionsContext *o = optctx;
2915 return parse_option(o, "filter:v", arg, options);
2918 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
2920 OptionsContext *o = optctx;
2921 return parse_option(o, "filter:a", arg, options);
2924 static int opt_vsync(void *optctx, const char *opt, const char *arg)
2926 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
2927 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
2928 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
2929 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
2931 if (video_sync_method == VSYNC_AUTO)
2932 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
2936 static int opt_timecode(void *optctx, const char *opt, const char *arg)
2938 OptionsContext *o = optctx;
2939 char *tcr = av_asprintf("timecode=%s", arg);
2940 int ret = parse_option(o, "metadata:g", tcr, options);
2942 ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
2947 static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
2949 OptionsContext *o = optctx;
2950 char layout_str[32];
2953 int ret, channels, ac_str_size;
2956 layout = av_get_channel_layout(arg);
2958 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
2959 return AVERROR(EINVAL);
2961 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
2962 ret = opt_default_new(o, opt, layout_str);
2966 /* set 'ac' option based on channel layout */
2967 channels = av_get_channel_layout_nb_channels(layout);
2968 snprintf(layout_str, sizeof(layout_str), "%d", channels);
2969 stream_str = strchr(opt, ':');
2970 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
2971 ac_str = av_mallocz(ac_str_size);
2973 return AVERROR(ENOMEM);
2974 av_strlcpy(ac_str, "ac", 3);
2976 av_strlcat(ac_str, stream_str, ac_str_size);
2977 ret = parse_option(o, ac_str, layout_str, options);
2983 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
2985 OptionsContext *o = optctx;
2986 return parse_option(o, "q:a", arg, options);
2989 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
2991 GROW_ARRAY(filtergraphs, nb_filtergraphs);
2992 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
2993 return AVERROR(ENOMEM);
2994 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
2995 filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
2996 if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
2997 return AVERROR(ENOMEM);
2999 input_stream_potentially_available = 1;
3004 static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
3006 uint8_t *graph_desc = read_file(arg);
3008 return AVERROR(EINVAL);
3010 GROW_ARRAY(filtergraphs, nb_filtergraphs);
3011 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
3012 return AVERROR(ENOMEM);
3013 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
3014 filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
3016 input_stream_potentially_available = 1;
3021 void show_help_default(const char *opt, const char *arg)
3023 /* per-file options have at least one of those set */
3024 const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
3025 int show_advanced = 0, show_avoptions = 0;
3028 if (!strcmp(opt, "long"))
3030 else if (!strcmp(opt, "full"))
3031 show_advanced = show_avoptions = 1;
3033 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
3038 printf("Getting help:\n"
3039 " -h -- print basic options\n"
3040 " -h long -- print more options\n"
3041 " -h full -- print all options (including all format and codec specific options, very long)\n"
3042 " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter\n"
3043 " See man %s for detailed description of the options.\n"
3044 "\n", program_name);
3046 show_help_options(options, "Print help / information / capabilities:",
3049 show_help_options(options, "Global options (affect whole program "
3050 "instead of just one file:",
3051 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
3053 show_help_options(options, "Advanced global options:", OPT_EXPERT,
3054 per_file | OPT_EXIT, 0);
3056 show_help_options(options, "Per-file main options:", 0,
3057 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
3058 OPT_EXIT, per_file);
3060 show_help_options(options, "Advanced per-file options:",
3061 OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
3063 show_help_options(options, "Video options:",
3064 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
3066 show_help_options(options, "Advanced Video options:",
3067 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
3069 show_help_options(options, "Audio options:",
3070 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
3072 show_help_options(options, "Advanced Audio options:",
3073 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
3074 show_help_options(options, "Subtitle options:",
3075 OPT_SUBTITLE, 0, 0);
3078 if (show_avoptions) {
3079 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
3080 show_help_children(avcodec_get_class(), flags);
3081 show_help_children(avformat_get_class(), flags);
3083 show_help_children(sws_get_class(), flags);
3085 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
3086 show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
3090 void show_usage(void)
3092 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
3093 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3094 av_log(NULL, AV_LOG_INFO, "\n");
3102 static const OptionGroupDef groups[] = {
3103 [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT },
3104 [GROUP_INFILE] = { "input file", "i", OPT_INPUT },
3107 static int open_files(OptionGroupList *l, const char *inout,
3108 int (*open_file)(OptionsContext*, const char*))
3112 for (i = 0; i < l->nb_groups; i++) {
3113 OptionGroup *g = &l->groups[i];
3119 ret = parse_optgroup(&o, g);
3121 av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
3122 "%s.\n", inout, g->arg);
3126 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
3127 ret = open_file(&o, g->arg);
3130 av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
3134 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
3140 int ffmpeg_parse_options(int argc, char **argv)
3142 OptionParseContext octx;
3146 memset(&octx, 0, sizeof(octx));
3148 /* split the commandline into an internal representation */
3149 ret = split_commandline(&octx, argc, argv, options, groups,
3150 FF_ARRAY_ELEMS(groups));
3152 av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
3156 /* apply global options */
3157 ret = parse_optgroup(NULL, &octx.global_opts);
3159 av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
3163 /* configure terminal and setup signal handlers */
3166 /* open input files */
3167 ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
3169 av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
3173 /* create the complex filtergraphs */
3174 ret = init_complex_filters();
3176 av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
3180 /* open output files */
3181 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
3183 av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
3187 /* configure the complex filtergraphs */
3188 ret = configure_complex_filters();
3190 av_log(NULL, AV_LOG_FATAL, "Error configuring complex filters.\n");
3195 uninit_parse_context(&octx);
3197 av_strerror(ret, error, sizeof(error));
3198 av_log(NULL, AV_LOG_FATAL, "%s\n", error);
3203 static int opt_progress(void *optctx, const char *opt, const char *arg)
3205 AVIOContext *avio = NULL;
3208 if (!strcmp(arg, "-"))
3210 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
3212 av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
3213 arg, av_err2str(ret));
3216 progress_avio = avio;
3220 #define OFFSET(x) offsetof(OptionsContext, x)
3221 const OptionDef options[] = {
3223 #include "cmdutils_common_opts.h"
3224 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
3225 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
3226 "force format", "fmt" },
3227 { "y", OPT_BOOL, { &file_overwrite },
3228 "overwrite output files" },
3229 { "n", OPT_BOOL, { &no_file_overwrite },
3230 "never overwrite output files" },
3231 { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
3232 "Ignore unknown stream types" },
3233 { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
3234 "Copy unknown stream types" },
3235 { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
3236 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3237 "codec name", "codec" },
3238 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
3239 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
3240 "codec name", "codec" },
3241 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
3242 OPT_OUTPUT, { .off = OFFSET(presets) },
3243 "preset name", "preset" },
3244 { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3245 OPT_OUTPUT, { .func_arg = opt_map },
3246 "set input stream mapping",
3247 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
3248 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
3249 "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
3250 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
3251 OPT_OUTPUT, { .off = OFFSET(metadata_map) },
3252 "set metadata information of outfile from infile",
3253 "outfile[,metadata]:infile[,metadata]" },
3254 { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
3255 OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
3256 "set chapters mapping", "input_file_index" },
3257 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
3258 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
3259 "record or transcode \"duration\" seconds of audio/video",
3261 { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
3262 "record or transcode stop time", "time_stop" },
3263 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
3264 "set the limit file size in bytes", "limit_size" },
3265 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
3266 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
3267 "set the start time offset", "time_off" },
3268 { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
3269 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time_eof) },
3270 "set the start time offset relative to EOF", "time_off" },
3271 { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
3272 OPT_INPUT, { .off = OFFSET(seek_timestamp) },
3273 "enable/disable seeking by timestamp with -ss" },
3274 { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
3275 OPT_INPUT, { .off = OFFSET(accurate_seek) },
3276 "enable/disable accurate seeking with -ss" },
3277 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
3278 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
3279 "set the input ts offset", "time_off" },
3280 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
3281 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
3282 "set the input ts scale", "scale" },
3283 { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
3284 "set the recording timestamp ('now' to set the current time)", "time" },
3285 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
3286 "add metadata", "string=string" },
3287 { "program", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(program) },
3288 "add program with specified streams", "title=string:st=number..." },
3289 { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3290 OPT_OUTPUT, { .func_arg = opt_data_frames },
3291 "set the number of data frames to output", "number" },
3292 { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
3293 "add timings for benchmarking" },
3294 { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
3295 "add timings for each task" },
3296 { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
3297 "write program-readable progress information", "url" },
3298 { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
3299 "enable or disable interaction on standard input" },
3300 { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
3301 "set max runtime in seconds", "limit" },
3302 { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
3303 "dump each input packet" },
3304 { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
3305 "when dumping packets, also dump the payload" },
3306 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3307 OPT_INPUT, { .off = OFFSET(rate_emu) },
3308 "read input at native frame rate", "" },
3309 { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
3310 "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
3311 "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
3312 { "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
3313 "video sync method", "" },
3314 { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
3315 "frame drop threshold", "" },
3316 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
3317 "audio sync method", "" },
3318 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
3319 "audio drift threshold", "threshold" },
3320 { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
3321 "copy timestamps" },
3322 { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
3323 "shift input timestamps to start at 0 when using copyts" },
3324 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
3325 "copy input stream time base when stream copying", "mode" },
3326 { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
3327 OPT_OUTPUT, { .off = OFFSET(shortest) },
3328 "finish encoding within shortest input" },
3329 { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
3330 OPT_OUTPUT, { .off = OFFSET(apad) },
3332 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
3333 "timestamp discontinuity delta threshold", "threshold" },
3334 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
3335 "timestamp error delta threshold", "threshold" },
3336 { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
3337 "exit on error", "error" },
3338 { "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
3339 "abort on the specified condition flags", "flags" },
3340 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3341 OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
3342 "copy initial non-keyframes" },
3343 { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
3344 "copy or discard frames before start time" },
3345 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
3346 "set the number of frames to output", "number" },
3347 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
3348 OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
3349 "force codec tag/fourcc", "fourcc/tag" },
3350 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
3351 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
3352 "use fixed quality scale (VBR)", "q" },
3353 { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3354 OPT_OUTPUT, { .func_arg = opt_qscale },
3355 "use fixed quality scale (VBR)", "q" },
3356 { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
3357 "set profile", "profile" },
3358 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
3359 "set stream filtergraph", "filter_graph" },
3360 { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
3361 "read stream filtergraph description from a file", "filename" },
3362 { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
3363 "reinit filtergraph on input parameter changes", "" },
3364 { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3365 "create a complex filtergraph", "graph_description" },
3366 { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
3367 "create a complex filtergraph", "graph_description" },
3368 { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
3369 "read complex filtergraph description from a file", "filename" },
3370 { "stats", OPT_BOOL, { &print_stats },
3371 "print progress report during encoding", },
3372 { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
3373 OPT_OUTPUT, { .func_arg = opt_attach },
3374 "add an attachment to the output file", "filename" },
3375 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
3376 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
3377 "extract an attachment into a file", "filename" },
3378 { "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
3379 OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
3380 { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
3381 "print timestamp debugging info" },
3382 { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
3383 "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
3384 { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
3385 OPT_INPUT, { .off = OFFSET(discard) },
3387 { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
3388 OPT_OUTPUT, { .off = OFFSET(disposition) },
3389 "disposition", "" },
3390 { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
3391 { .off = OFFSET(thread_queue_size) },
3392 "set the maximum number of queued packets from the demuxer" },
3395 { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
3396 "set the number of video frames to output", "number" },
3397 { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3398 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
3399 "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3400 { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
3401 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
3402 "set frame size (WxH or abbreviation)", "size" },
3403 { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
3404 OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
3405 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3406 { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3407 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
3408 "set pixel format", "format" },
3409 { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
3410 "set the number of bits per raw sample", "number" },
3411 { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
3412 "deprecated use -g 1" },
3413 { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
3415 { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3416 OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
3417 "rate control override for specific intervals", "override" },
3418 { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
3419 OPT_OUTPUT, { .func_arg = opt_video_codec },
3420 "force video codec ('copy' to copy stream)", "codec" },
3421 { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3423 { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
3425 { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
3426 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
3427 { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
3428 "select the pass number (1 to 3)", "n" },
3429 { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
3430 OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
3431 "select two pass log file name prefix", "prefix" },
3432 { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
3433 "this option is deprecated, use the yadif filter instead" },
3434 { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
3435 "calculate PSNR of compressed frames" },
3436 { "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
3437 "dump video coding statistics to file" },
3438 { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
3439 "dump video coding statistics to file", "file" },
3440 { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
3441 "set video filters", "filter_graph" },
3442 { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3443 OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
3444 "specify intra matrix coeffs", "matrix" },
3445 { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3446 OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
3447 "specify inter matrix coeffs", "matrix" },
3448 { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
3449 OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
3450 "specify intra matrix coeffs", "matrix" },
3451 { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
3452 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
3453 "top=1/bottom=0/auto=-1 field first", "" },
3454 { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3455 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
3456 "force video tag/fourcc", "fourcc/tag" },
3457 { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
3458 "show QP histogram" },
3459 { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
3460 OPT_OUTPUT, { .off = OFFSET(force_fps) },
3461 "force the selected framerate, disable the best supported framerate selection" },
3462 { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3463 OPT_OUTPUT, { .func_arg = opt_streamid },
3464 "set the value of an outfile streamid", "streamIndex:value" },
3465 { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3466 OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
3467 "force key frames at specified timestamps", "timestamps" },
3468 { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3469 "audio bitrate (please use -b:a)", "bitrate" },
3470 { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
3471 "video bitrate (please use -b:v)", "bitrate" },
3472 { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3473 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
3474 "use HW accelerated decoding", "hwaccel name" },
3475 { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3476 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
3477 "select a device for HW acceleration", "devicename" },
3478 { "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
3479 OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
3480 "select output format used with HW accelerated decoding", "format" },
3481 #if CONFIG_VDA || CONFIG_VIDEOTOOLBOX
3482 { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
3484 { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
3485 "show available HW acceleration methods" },
3486 { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
3487 OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
3488 "automatically insert correct rotate filters" },
3489 { "hwaccel_lax_profile_check", OPT_BOOL | OPT_EXPERT, { &hwaccel_lax_profile_check},
3490 "attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream" },
3493 { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
3494 "set the number of audio frames to output", "number" },
3495 { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
3496 "set audio quality (codec-specific)", "quality", },
3497 { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3498 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
3499 "set audio sampling rate (in Hz)", "rate" },
3500 { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
3501 OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
3502 "set number of audio channels", "channels" },
3503 { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
3505 { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
3506 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
3507 "force audio codec ('copy' to copy stream)", "codec" },
3508 { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3509 OPT_OUTPUT, { .func_arg = opt_old2new },
3510 "force audio tag/fourcc", "fourcc/tag" },
3511 { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
3512 "change audio volume (256=normal)" , "volume" },
3513 { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
3514 OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
3515 "set sample format", "format" },
3516 { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
3517 OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
3518 "set channel layout", "layout" },
3519 { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
3520 "set audio filters", "filter_graph" },
3521 { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
3522 "set the maximum number of channels to try to guess the channel layout" },
3524 /* subtitle options */
3525 { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
3526 "disable subtitle" },
3527 { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
3528 "force subtitle codec ('copy' to copy stream)", "codec" },
3529 { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
3530 , "force subtitle tag/fourcc", "fourcc/tag" },
3531 { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
3532 "fix subtitles duration" },
3533 { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
3534 "set canvas size (WxH or abbreviation)", "size" },
3537 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
3538 "deprecated, use -channel", "channel" },
3539 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
3540 "deprecated, use -standard", "standard" },
3541 { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
3544 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
3545 "set the maximum demux-decode delay", "seconds" },
3546 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
3547 "set the initial demux-decode delay", "seconds" },
3548 { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
3549 "override the options from ffserver", "" },
3550 { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
3551 "specify a file in which to print sdp information", "file" },
3553 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
3554 "A comma-separated list of bitstream filters", "bitstream_filters" },
3555 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3556 "deprecated", "audio bitstream_filters" },
3557 { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
3558 "deprecated", "video bitstream_filters" },
3560 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3561 "set the audio options to the indicated preset", "preset" },
3562 { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3563 "set the video options to the indicated preset", "preset" },
3564 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3565 "set the subtitle options to the indicated preset", "preset" },
3566 { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
3567 "set options from indicated preset file", "filename" },
3568 /* data codec support */
3569 { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
3570 "force data codec ('copy' to copy stream)", "codec" },
3571 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
3575 { "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
3576 "set VAAPI hardware device (DRM path or X11 display name)", "device" },