3 * Copyright (c) 2000-2011 The libav developers.
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavresample/avresample.h"
35 #include "libavutil/opt.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavutil/imgutils.h"
48 #include "libavformat/os_support.h"
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/buffersrc.h"
53 # include "libavfilter/buffersink.h"
54 # include "libavfilter/vsrc_buffer.h"
56 #if HAVE_SYS_RESOURCE_H
57 #include <sys/types.h>
59 #include <sys/resource.h>
60 #elif HAVE_GETPROCESSTIMES
63 #if HAVE_GETPROCESSMEMORYINFO
69 #include <sys/select.h>
80 #include "libavutil/avassert.h"
83 #define VSYNC_PASSTHROUGH 0
87 const char program_name[] = "avconv";
88 const int program_birth_year = 2000;
90 /* select an input stream for an output stream */
91 typedef struct StreamMap {
92 int disabled; /** 1 is this mapping is disabled by a negative map */
96 int sync_stream_index;
97 char *linklabel; /** name of an output link, for mapping lavfi outputs */
101 * select an input file for an output file
103 typedef struct MetadataMap {
104 int file; ///< file index
105 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
106 int index; ///< stream/chapter/program number
109 static const OptionDef options[];
111 static int video_discard = 0;
112 static int same_quant = 0;
113 static int do_deinterlace = 0;
114 static int intra_dc_precision = 8;
115 static int qp_hist = 0;
117 static int file_overwrite = 0;
118 static int do_benchmark = 0;
119 static int do_hex_dump = 0;
120 static int do_pkt_dump = 0;
121 static int do_pass = 0;
122 static char *pass_logfilename_prefix = NULL;
123 static int video_sync_method = VSYNC_AUTO;
124 static int audio_sync_method = 0;
125 static float audio_drift_threshold = 0.1;
126 static int copy_ts = 0;
127 static int copy_tb = 1;
128 static int opt_shortest = 0;
129 static char *vstats_filename;
130 static FILE *vstats_file;
132 static int audio_volume = 256;
134 static int exit_on_error = 0;
135 static int using_stdin = 0;
136 static int64_t video_size = 0;
137 static int64_t audio_size = 0;
138 static int64_t extra_size = 0;
139 static int nb_frames_dup = 0;
140 static int nb_frames_drop = 0;
141 static int input_sync;
143 static float dts_delta_threshold = 10;
145 static int print_stats = 1;
148 /* signal to input threads that they should exit; set by the main thread */
149 static int transcoding_finished;
152 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
154 typedef struct InputFilter {
155 AVFilterContext *filter;
156 struct InputStream *ist;
157 struct FilterGraph *graph;
161 typedef struct OutputFilter {
162 AVFilterContext *filter;
163 struct OutputStream *ost;
164 struct FilterGraph *graph;
167 /* temporary storage until stream maps are processed */
168 AVFilterInOut *out_tmp;
171 typedef struct FilterGraph {
173 const char *graph_desc;
175 AVFilterGraph *graph;
177 InputFilter **inputs;
179 OutputFilter **outputs;
183 typedef struct InputStream {
186 int discard; /* true if stream data should be discarded */
187 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
189 AVFrame *decoded_frame;
191 int64_t start; /* time when read started */
192 /* predicted dts of the next packet read for this stream or (when there are
193 * several frames in a packet) of the next frame in current packet */
195 /* dts of the last packet read for this stream */
197 PtsCorrectionContext pts_ctx;
199 int is_start; /* is 1 at the start and after a discontinuity */
200 int showed_multi_packet_warning;
202 AVRational framerate; /* framerate forced with -r */
206 int resample_pix_fmt;
208 int resample_sample_fmt;
209 int resample_sample_rate;
210 int resample_channels;
211 uint64_t resample_channel_layout;
213 /* a pool of free buffers for decoded data */
214 FrameBuffer *buffer_pool;
216 /* decoded data from this stream goes into all those filters
217 * currently video and audio only */
218 InputFilter **filters;
222 typedef struct InputFile {
223 AVFormatContext *ctx;
224 int eof_reached; /* true if eof reached */
225 int ist_index; /* index of first stream in ist_table */
226 int buffer_size; /* current total buffer size */
228 int nb_streams; /* number of stream that avconv is aware of; may be different
229 from ctx.nb_streams if new streams appear during av_read_frame() */
233 pthread_t thread; /* thread reading from this file */
234 int finished; /* the thread has exited */
235 int joined; /* the thread has been joined */
236 pthread_mutex_t fifo_lock; /* lock for access to fifo */
237 pthread_cond_t fifo_cond; /* the main thread will signal on this cond after reading from fifo */
238 AVFifoBuffer *fifo; /* demuxed packets are stored here; freed by the main thread */
242 typedef struct OutputStream {
243 int file_index; /* file index */
244 int index; /* stream index in the output file */
245 int source_index; /* InputStream index */
246 AVStream *st; /* stream in the output file */
247 int encoding_needed; /* true if encoding needed for this stream */
249 /* input pts and corresponding output pts
251 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
252 struct InputStream *sync_ist; /* input stream to sync against */
253 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
254 /* pts of the first frame encoded for this stream, used for limiting
257 AVBitStreamFilterContext *bitstream_filters;
260 AVFrame *filtered_frame;
263 AVRational frame_rate;
267 float frame_aspect_ratio;
270 /* forced key frames */
271 int64_t *forced_kf_pts;
277 OutputFilter *filter;
282 int is_past_recording_time;
284 const char *attachment_filename;
285 int copy_initial_nonkeyframes;
287 enum PixelFormat pix_fmts[2];
291 typedef struct OutputFile {
292 AVFormatContext *ctx;
294 int ost_index; /* index of the first stream in output_streams */
295 int64_t recording_time; /* desired length of the resulting file in microseconds */
296 int64_t start_time; /* start time in microseconds */
297 uint64_t limit_filesize;
300 static InputStream **input_streams = NULL;
301 static int nb_input_streams = 0;
302 static InputFile **input_files = NULL;
303 static int nb_input_files = 0;
305 static OutputStream **output_streams = NULL;
306 static int nb_output_streams = 0;
307 static OutputFile **output_files = NULL;
308 static int nb_output_files = 0;
310 static FilterGraph **filtergraphs;
313 typedef struct OptionsContext {
314 /* input/output options */
318 SpecifierOpt *codec_names;
320 SpecifierOpt *audio_channels;
321 int nb_audio_channels;
322 SpecifierOpt *audio_sample_rate;
323 int nb_audio_sample_rate;
324 SpecifierOpt *frame_rates;
326 SpecifierOpt *frame_sizes;
328 SpecifierOpt *frame_pix_fmts;
329 int nb_frame_pix_fmts;
332 int64_t input_ts_offset;
335 SpecifierOpt *ts_scale;
337 SpecifierOpt *dump_attachment;
338 int nb_dump_attachment;
341 StreamMap *stream_maps;
343 /* first item specifies output metadata, second is input */
344 MetadataMap (*meta_data_maps)[2];
345 int nb_meta_data_maps;
346 int metadata_global_manual;
347 int metadata_streams_manual;
348 int metadata_chapters_manual;
349 const char **attachments;
352 int chapters_input_file;
354 int64_t recording_time;
355 uint64_t limit_filesize;
361 int subtitle_disable;
364 /* indexed by output file stream index */
368 SpecifierOpt *metadata;
370 SpecifierOpt *max_frames;
372 SpecifierOpt *bitstream_filters;
373 int nb_bitstream_filters;
374 SpecifierOpt *codec_tags;
376 SpecifierOpt *sample_fmts;
378 SpecifierOpt *qscale;
380 SpecifierOpt *forced_key_frames;
381 int nb_forced_key_frames;
382 SpecifierOpt *force_fps;
384 SpecifierOpt *frame_aspect_ratios;
385 int nb_frame_aspect_ratios;
386 SpecifierOpt *rc_overrides;
388 SpecifierOpt *intra_matrices;
389 int nb_intra_matrices;
390 SpecifierOpt *inter_matrices;
391 int nb_inter_matrices;
392 SpecifierOpt *top_field_first;
393 int nb_top_field_first;
394 SpecifierOpt *metadata_map;
396 SpecifierOpt *presets;
398 SpecifierOpt *copy_initial_nonkeyframes;
399 int nb_copy_initial_nonkeyframes;
400 SpecifierOpt *filters;
404 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
407 for (i = 0; i < o->nb_ ## name; i++) {\
408 char *spec = o->name[i].specifier;\
409 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
410 outvar = o->name[i].u.type;\
416 static void reset_options(OptionsContext *o)
418 const OptionDef *po = options;
421 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
423 void *dst = (uint8_t*)o + po->u.off;
425 if (po->flags & OPT_SPEC) {
426 SpecifierOpt **so = dst;
427 int i, *count = (int*)(so + 1);
428 for (i = 0; i < *count; i++) {
429 av_freep(&(*so)[i].specifier);
430 if (po->flags & OPT_STRING)
431 av_freep(&(*so)[i].u.str);
435 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
440 for (i = 0; i < o->nb_stream_maps; i++)
441 av_freep(&o->stream_maps[i].linklabel);
442 av_freep(&o->stream_maps);
443 av_freep(&o->meta_data_maps);
444 av_freep(&o->streamid_map);
446 memset(o, 0, sizeof(*o));
448 o->mux_max_delay = 0.7;
449 o->recording_time = INT64_MAX;
450 o->limit_filesize = UINT64_MAX;
451 o->chapters_input_file = INT_MAX;
458 * Define a function for building a string containing a list of
461 #define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \
462 static char *choose_ ## var ## s(OutputStream *ost) \
464 if (ost->st->codec->var != none) { \
465 get_name(ost->st->codec->var); \
466 return av_strdup(name); \
467 } else if (ost->enc->supported_list) { \
469 AVIOContext *s = NULL; \
473 if (avio_open_dyn_buf(&s) < 0) \
476 for (p = ost->enc->supported_list; *p != none; p++) { \
478 avio_printf(s, "%s" separator, name); \
480 len = avio_close_dyn_buf(s, &ret); \
487 #define GET_PIX_FMT_NAME(pix_fmt)\
488 const char *name = av_get_pix_fmt_name(pix_fmt);
490 DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
491 GET_PIX_FMT_NAME, ":")
493 #define GET_SAMPLE_FMT_NAME(sample_fmt)\
494 const char *name = av_get_sample_fmt_name(sample_fmt)
496 DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
497 AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
499 #define GET_SAMPLE_RATE_NAME(rate)\
501 snprintf(name, sizeof(name), "%d", rate);
503 DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
504 GET_SAMPLE_RATE_NAME, ",")
506 #define GET_CH_LAYOUT_NAME(ch_layout)\
508 snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
510 DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
511 GET_CH_LAYOUT_NAME, ",")
513 static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
515 FilterGraph *fg = av_mallocz(sizeof(*fg));
519 fg->index = nb_filtergraphs;
521 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
523 if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
525 fg->outputs[0]->ost = ost;
526 fg->outputs[0]->graph = fg;
528 ost->filter = fg->outputs[0];
530 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
532 if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
534 fg->inputs[0]->ist = ist;
535 fg->inputs[0]->graph = fg;
537 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
538 &ist->nb_filters, ist->nb_filters + 1);
539 ist->filters[ist->nb_filters - 1] = fg->inputs[0];
541 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
542 &nb_filtergraphs, nb_filtergraphs + 1);
543 filtergraphs[nb_filtergraphs - 1] = fg;
548 static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
551 enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
554 // TODO: support other filter types
555 if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
556 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
565 int file_idx = strtol(in->name, &p, 0);
567 if (file_idx < 0 || file_idx >= nb_input_files) {
568 av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtegraph description %s.\n",
569 file_idx, fg->graph_desc);
572 s = input_files[file_idx]->ctx;
574 for (i = 0; i < s->nb_streams; i++) {
575 if (s->streams[i]->codec->codec_type != type)
577 if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
583 av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
584 "matches no streams.\n", p, fg->graph_desc);
587 ist = input_streams[input_files[file_idx]->ist_index + st->index];
589 /* find the first unused stream of corresponding type */
590 for (i = 0; i < nb_input_streams; i++) {
591 ist = input_streams[i];
592 if (ist->st->codec->codec_type == type && ist->discard)
595 if (i == nb_input_streams) {
596 av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
597 "unlabeled input pad %d on filter %s", in->pad_idx,
598 in->filter_ctx->name);
603 ist->decoding_needed = 1;
604 ist->st->discard = AVDISCARD_NONE;
606 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
607 &fg->nb_inputs, fg->nb_inputs + 1);
608 if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
610 fg->inputs[fg->nb_inputs - 1]->ist = ist;
611 fg->inputs[fg->nb_inputs - 1]->graph = fg;
613 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
614 &ist->nb_filters, ist->nb_filters + 1);
615 ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
618 static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
621 OutputStream *ost = ofilter->ost;
622 AVCodecContext *codec = ost->st->codec;
623 AVFilterContext *last_filter = out->filter_ctx;
624 int pad_idx = out->pad_idx;
628 ret = avfilter_graph_create_filter(&ofilter->filter,
629 avfilter_get_by_name("buffersink"),
630 "out", NULL, pix_fmts, fg->graph);
634 if (codec->width || codec->height) {
636 AVFilterContext *filter;
638 snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
641 (unsigned)ost->sws_flags);
642 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
643 NULL, args, NULL, fg->graph)) < 0)
645 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
648 last_filter = filter;
652 if ((pix_fmts = choose_pix_fmts(ost))) {
653 AVFilterContext *filter;
654 if ((ret = avfilter_graph_create_filter(&filter,
655 avfilter_get_by_name("format"),
656 "format", pix_fmts, NULL,
659 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
662 last_filter = filter;
667 if (ost->frame_rate.num) {
668 AVFilterContext *fps;
671 snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
672 ost->frame_rate.den);
673 ret = avfilter_graph_create_filter(&fps, avfilter_get_by_name("fps"),
674 "fps", args, NULL, fg->graph);
678 ret = avfilter_link(last_filter, pad_idx, fps, 0);
685 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
691 static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
693 OutputStream *ost = ofilter->ost;
694 AVCodecContext *codec = ost->st->codec;
695 AVFilterContext *last_filter = out->filter_ctx;
696 int pad_idx = out->pad_idx;
697 char *sample_fmts, *sample_rates, *channel_layouts;
700 ret = avfilter_graph_create_filter(&ofilter->filter,
701 avfilter_get_by_name("abuffersink"),
702 "out", NULL, NULL, fg->graph);
706 if (codec->channels && !codec->channel_layout)
707 codec->channel_layout = av_get_default_channel_layout(codec->channels);
709 sample_fmts = choose_sample_fmts(ost);
710 sample_rates = choose_sample_rates(ost);
711 channel_layouts = choose_channel_layouts(ost);
712 if (sample_fmts || sample_rates || channel_layouts) {
713 AVFilterContext *format;
718 len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
721 len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
724 len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
728 av_freep(&sample_fmts);
729 av_freep(&sample_rates);
730 av_freep(&channel_layouts);
732 ret = avfilter_graph_create_filter(&format,
733 avfilter_get_by_name("aformat"),
734 "aformat", args, NULL, fg->graph);
738 ret = avfilter_link(last_filter, pad_idx, format, 0);
742 last_filter = format;
746 if (audio_sync_method > 0) {
747 AVFilterContext *async;
751 av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the "
752 "asyncts audio filter instead.\n");
754 if (audio_sync_method > 1)
755 len += snprintf(args + len, sizeof(args) - len, "compensate=1:"
756 "max_comp=%d:", audio_sync_method);
757 snprintf(args + len, sizeof(args) - len, "min_delta=%f",
758 audio_drift_threshold);
760 ret = avfilter_graph_create_filter(&async,
761 avfilter_get_by_name("asyncts"),
762 "async", args, NULL, fg->graph);
766 ret = avfilter_link(last_filter, pad_idx, async, 0);
774 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
780 #define DESCRIBE_FILTER_LINK(f, inout, in) \
782 AVFilterContext *ctx = inout->filter_ctx; \
783 AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; \
784 int nb_pads = in ? ctx->input_count : ctx->output_count; \
787 if (avio_open_dyn_buf(&pb) < 0) \
790 avio_printf(pb, "%s", ctx->filter->name); \
792 avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx));\
794 avio_close_dyn_buf(pb, &f->name); \
797 static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
799 av_freep(&ofilter->name);
800 DESCRIBE_FILTER_LINK(ofilter, out, 0);
802 switch (avfilter_pad_get_type(out->filter_ctx->output_pads, out->pad_idx)) {
803 case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
804 case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
805 default: av_assert0(0);
809 static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
812 AVFilterContext *first_filter = in->filter_ctx;
813 AVFilter *filter = avfilter_get_by_name("buffer");
814 InputStream *ist = ifilter->ist;
815 AVRational tb = ist->framerate.num ? (AVRational){ist->framerate.den,
816 ist->framerate.num} :
820 int pad_idx = in->pad_idx;
823 sar = ist->st->sample_aspect_ratio.num ?
824 ist->st->sample_aspect_ratio :
825 ist->st->codec->sample_aspect_ratio;
826 snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
827 ist->st->codec->height, ist->st->codec->pix_fmt,
828 tb.num, tb.den, sar.num, sar.den);
830 if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, in->name,
831 args, NULL, fg->graph)) < 0)
834 if (ist->framerate.num) {
835 AVFilterContext *setpts;
837 if ((ret = avfilter_graph_create_filter(&setpts,
838 avfilter_get_by_name("setpts"),
843 if ((ret = avfilter_link(setpts, 0, first_filter, pad_idx)) < 0)
846 first_filter = setpts;
850 if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
855 static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
858 AVFilterContext *first_filter = in->filter_ctx;
859 AVFilter *filter = avfilter_get_by_name("abuffer");
860 InputStream *ist = ifilter->ist;
861 int pad_idx = in->pad_idx;
865 snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s"
866 ":channel_layout=0x%"PRIx64,
867 ist->st->time_base.num, ist->st->time_base.den,
868 ist->st->codec->sample_rate,
869 av_get_sample_fmt_name(ist->st->codec->sample_fmt),
870 ist->st->codec->channel_layout);
872 if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter,
873 in->name, args, NULL,
877 if (audio_sync_method > 0) {
878 AVFilterContext *async;
882 av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the "
883 "asyncts audio filter instead.\n");
885 if (audio_sync_method > 1)
886 len += snprintf(args + len, sizeof(args) - len, "compensate=1:"
887 "max_comp=%d:", audio_sync_method);
888 snprintf(args + len, sizeof(args) - len, "min_delta=%f",
889 audio_drift_threshold);
891 ret = avfilter_graph_create_filter(&async,
892 avfilter_get_by_name("asyncts"),
893 "async", args, NULL, fg->graph);
897 ret = avfilter_link(async, 0, first_filter, pad_idx);
901 first_filter = async;
904 if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
910 static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
913 av_freep(&ifilter->name);
914 DESCRIBE_FILTER_LINK(ifilter, in, 1);
916 switch (avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx)) {
917 case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
918 case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
919 default: av_assert0(0);
923 static int configure_filtergraph(FilterGraph *fg)
925 AVFilterInOut *inputs, *outputs, *cur;
926 int ret, i, init = !fg->graph, simple = !fg->graph_desc;
927 const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
930 avfilter_graph_free(&fg->graph);
931 if (!(fg->graph = avfilter_graph_alloc()))
932 return AVERROR(ENOMEM);
935 OutputStream *ost = fg->outputs[0]->ost;
937 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
938 fg->graph->scale_sws_opts = av_strdup(args);
941 if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
944 if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
945 av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have "
946 "exactly one input and output.\n", graph_desc);
947 return AVERROR(EINVAL);
950 for (cur = inputs; !simple && init && cur; cur = cur->next)
951 init_input_filter(fg, cur);
953 for (cur = inputs, i = 0; cur; cur = cur->next, i++)
954 if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0)
956 avfilter_inout_free(&inputs);
958 if (!init || simple) {
959 /* we already know the mappings between lavfi outputs and output streams,
960 * so we can finish the setup */
961 for (cur = outputs, i = 0; cur; cur = cur->next, i++)
962 configure_output_filter(fg, fg->outputs[i], cur);
963 avfilter_inout_free(&outputs);
965 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
968 /* wait until output mappings are processed */
969 for (cur = outputs; cur;) {
970 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
971 &fg->nb_outputs, fg->nb_outputs + 1);
972 if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]))))
974 fg->outputs[fg->nb_outputs - 1]->graph = fg;
975 fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
977 fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
984 static int configure_complex_filters(void)
988 for (i = 0; i < nb_filtergraphs; i++)
989 if (!filtergraphs[i]->graph &&
990 (ret = configure_filtergraph(filtergraphs[i])) < 0)
995 static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
998 for (i = 0; i < fg->nb_inputs; i++)
999 if (fg->inputs[i]->ist == ist)
1004 static void term_exit(void)
1006 av_log(NULL, AV_LOG_QUIET, "");
1009 static volatile int received_sigterm = 0;
1010 static volatile int received_nb_signals = 0;
1013 sigterm_handler(int sig)
1015 received_sigterm = sig;
1016 received_nb_signals++;
1020 static void term_init(void)
1022 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
1023 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
1025 signal(SIGXCPU, sigterm_handler);
1029 static int decode_interrupt_cb(void *ctx)
1031 return received_nb_signals > 1;
1034 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
1036 void exit_program(int ret)
1040 for (i = 0; i < nb_filtergraphs; i++) {
1041 avfilter_graph_free(&filtergraphs[i]->graph);
1042 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
1043 av_freep(&filtergraphs[i]->inputs[j]->name);
1044 av_freep(&filtergraphs[i]->inputs[j]);
1046 av_freep(&filtergraphs[i]->inputs);
1047 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
1048 av_freep(&filtergraphs[i]->outputs[j]->name);
1049 av_freep(&filtergraphs[i]->outputs[j]);
1051 av_freep(&filtergraphs[i]->outputs);
1052 av_freep(&filtergraphs[i]);
1054 av_freep(&filtergraphs);
1057 for (i = 0; i < nb_output_files; i++) {
1058 AVFormatContext *s = output_files[i]->ctx;
1059 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
1061 avformat_free_context(s);
1062 av_dict_free(&output_files[i]->opts);
1063 av_freep(&output_files[i]);
1065 for (i = 0; i < nb_output_streams; i++) {
1066 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
1068 AVBitStreamFilterContext *next = bsfc->next;
1069 av_bitstream_filter_close(bsfc);
1072 output_streams[i]->bitstream_filters = NULL;
1074 av_freep(&output_streams[i]->avfilter);
1075 av_freep(&output_streams[i]->filtered_frame);
1076 av_freep(&output_streams[i]);
1078 for (i = 0; i < nb_input_files; i++) {
1079 avformat_close_input(&input_files[i]->ctx);
1080 av_freep(&input_files[i]);
1082 for (i = 0; i < nb_input_streams; i++) {
1083 av_freep(&input_streams[i]->decoded_frame);
1084 av_dict_free(&input_streams[i]->opts);
1085 free_buffer_pool(&input_streams[i]->buffer_pool);
1086 av_freep(&input_streams[i]->filters);
1087 av_freep(&input_streams[i]);
1091 fclose(vstats_file);
1092 av_free(vstats_filename);
1094 av_freep(&input_streams);
1095 av_freep(&input_files);
1096 av_freep(&output_streams);
1097 av_freep(&output_files);
1102 avformat_network_deinit();
1104 if (received_sigterm) {
1105 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
1106 (int) received_sigterm);
1113 static void assert_avoptions(AVDictionary *m)
1115 AVDictionaryEntry *t;
1116 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1117 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
1122 static void assert_codec_experimental(AVCodecContext *c, int encoder)
1124 const char *codec_string = encoder ? "encoder" : "decoder";
1126 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
1127 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1128 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
1129 "results.\nAdd '-strict experimental' if you want to use it.\n",
1130 codec_string, c->codec->name);
1131 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
1132 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
1133 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
1134 codec_string, codec->name);
1140 * Update the requested input sample format based on the output sample format.
1141 * This is currently only used to request float output from decoders which
1142 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
1143 * Ideally this will be removed in the future when decoders do not do format
1144 * conversion and only output in their native format.
1146 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
1147 AVCodecContext *enc)
1149 /* if sample formats match or a decoder sample format has already been
1150 requested, just return */
1151 if (enc->sample_fmt == dec->sample_fmt ||
1152 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
1155 /* if decoder supports more than one output format */
1156 if (dec_codec && dec_codec->sample_fmts &&
1157 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
1158 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
1159 const enum AVSampleFormat *p;
1160 int min_dec = -1, min_inc = -1;
1162 /* find a matching sample format in the encoder */
1163 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
1164 if (*p == enc->sample_fmt) {
1165 dec->request_sample_fmt = *p;
1167 } else if (*p > enc->sample_fmt) {
1168 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
1170 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
1173 /* if none match, provide the one that matches quality closest */
1174 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
1175 enc->sample_fmt - min_dec;
1179 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
1181 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
1182 AVCodecContext *avctx = ost->st->codec;
1186 * Audio encoders may split the packets -- #frames in != #packets out.
1187 * But there is no reordering, so we can limit the number of output packets
1188 * by simply dropping them here.
1189 * Counting encoded video frames needs to be done separately because of
1190 * reordering, see do_video_out()
1192 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1193 if (ost->frame_number >= ost->max_frames) {
1194 av_free_packet(pkt);
1197 ost->frame_number++;
1201 AVPacket new_pkt = *pkt;
1202 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1203 &new_pkt.data, &new_pkt.size,
1204 pkt->data, pkt->size,
1205 pkt->flags & AV_PKT_FLAG_KEY);
1207 av_free_packet(pkt);
1208 new_pkt.destruct = av_destruct_packet;
1210 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
1211 bsfc->filter->name, pkt->stream_index,
1212 avctx->codec ? avctx->codec->name : "copy");
1222 pkt->stream_index = ost->index;
1223 ret = av_interleaved_write_frame(s, pkt);
1225 print_error("av_interleaved_write_frame()", ret);
1230 static int check_recording_time(OutputStream *ost)
1232 OutputFile *of = output_files[ost->file_index];
1234 if (of->recording_time != INT64_MAX &&
1235 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
1236 AV_TIME_BASE_Q) >= 0) {
1237 ost->is_past_recording_time = 1;
1243 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1246 AVCodecContext *enc = ost->st->codec;
1250 av_init_packet(&pkt);
1254 if (!check_recording_time(ost))
1257 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
1258 frame->pts = ost->sync_opts;
1259 ost->sync_opts = frame->pts + frame->nb_samples;
1261 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1262 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1267 if (pkt.pts != AV_NOPTS_VALUE)
1268 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1269 if (pkt.dts != AV_NOPTS_VALUE)
1270 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1271 if (pkt.duration > 0)
1272 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1274 write_frame(s, &pkt, ost);
1276 audio_size += pkt.size;
1280 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1282 AVCodecContext *dec;
1283 AVPicture *picture2;
1284 AVPicture picture_tmp;
1287 dec = ist->st->codec;
1289 /* deinterlace : must be done before any resize */
1290 if (do_deinterlace) {
1293 /* create temporary picture */
1294 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1295 buf = av_malloc(size);
1299 picture2 = &picture_tmp;
1300 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1302 if (avpicture_deinterlace(picture2, picture,
1303 dec->pix_fmt, dec->width, dec->height) < 0) {
1304 /* if error, do not deinterlace */
1305 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1314 if (picture != picture2)
1315 *picture = *picture2;
1319 static void do_subtitle_out(AVFormatContext *s,
1325 static uint8_t *subtitle_out = NULL;
1326 int subtitle_out_max_size = 1024 * 1024;
1327 int subtitle_out_size, nb, i;
1328 AVCodecContext *enc;
1331 if (pts == AV_NOPTS_VALUE) {
1332 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1338 enc = ost->st->codec;
1340 if (!subtitle_out) {
1341 subtitle_out = av_malloc(subtitle_out_max_size);
1344 /* Note: DVB subtitle need one packet to draw them and one other
1345 packet to clear them */
1346 /* XXX: signal it in the codec context ? */
1347 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1352 for (i = 0; i < nb; i++) {
1353 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1354 if (!check_recording_time(ost))
1357 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1358 // start_display_time is required to be 0
1359 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1360 sub->end_display_time -= sub->start_display_time;
1361 sub->start_display_time = 0;
1362 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1363 subtitle_out_max_size, sub);
1364 if (subtitle_out_size < 0) {
1365 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1369 av_init_packet(&pkt);
1370 pkt.data = subtitle_out;
1371 pkt.size = subtitle_out_size;
1372 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1373 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1374 /* XXX: the pts correction is handled here. Maybe handling
1375 it in the codec would be better */
1377 pkt.pts += 90 * sub->start_display_time;
1379 pkt.pts += 90 * sub->end_display_time;
1381 write_frame(s, &pkt, ost);
1385 static void do_video_out(AVFormatContext *s,
1387 AVFrame *in_picture,
1388 int *frame_size, float quality)
1390 int ret, format_video_sync;
1392 AVCodecContext *enc = ost->st->codec;
1396 format_video_sync = video_sync_method;
1397 if (format_video_sync == VSYNC_AUTO)
1398 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1399 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
1400 if (format_video_sync != VSYNC_PASSTHROUGH &&
1401 ost->frame_number &&
1402 in_picture->pts != AV_NOPTS_VALUE &&
1403 in_picture->pts < ost->sync_opts) {
1405 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1409 if (in_picture->pts == AV_NOPTS_VALUE)
1410 in_picture->pts = ost->sync_opts;
1411 ost->sync_opts = in_picture->pts;
1414 if (!ost->frame_number)
1415 ost->first_pts = in_picture->pts;
1417 av_init_packet(&pkt);
1421 if (!check_recording_time(ost) ||
1422 ost->frame_number >= ost->max_frames)
1425 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1426 enc->codec->id == CODEC_ID_RAWVIDEO) {
1427 /* raw pictures are written as AVPicture structure to
1428 avoid any copies. We support temporarily the older
1430 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1431 enc->coded_frame->top_field_first = in_picture->top_field_first;
1432 pkt.data = (uint8_t *)in_picture;
1433 pkt.size = sizeof(AVPicture);
1434 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1435 pkt.flags |= AV_PKT_FLAG_KEY;
1437 write_frame(s, &pkt, ost);
1440 AVFrame big_picture;
1442 big_picture = *in_picture;
1443 /* better than nothing: use input picture interlaced
1445 big_picture.interlaced_frame = in_picture->interlaced_frame;
1446 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1447 if (ost->top_field_first == -1)
1448 big_picture.top_field_first = in_picture->top_field_first;
1450 big_picture.top_field_first = !!ost->top_field_first;
1453 /* handles same_quant here. This is not correct because it may
1454 not be a global option */
1455 big_picture.quality = quality;
1456 if (!enc->me_threshold)
1457 big_picture.pict_type = 0;
1458 if (ost->forced_kf_index < ost->forced_kf_count &&
1459 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1460 big_picture.pict_type = AV_PICTURE_TYPE_I;
1461 ost->forced_kf_index++;
1463 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1465 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1470 if (pkt.pts != AV_NOPTS_VALUE)
1471 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1472 if (pkt.dts != AV_NOPTS_VALUE)
1473 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1475 write_frame(s, &pkt, ost);
1476 *frame_size = pkt.size;
1477 video_size += pkt.size;
1479 /* if two pass, output log */
1480 if (ost->logfile && enc->stats_out) {
1481 fprintf(ost->logfile, "%s", enc->stats_out);
1487 * For video, number of frames in == number of packets out.
1488 * But there may be reordering, so we can't throw away frames on encoder
1489 * flush, we need to limit them here, before they go into encoder.
1491 ost->frame_number++;
1494 static double psnr(double d)
1496 return -10.0 * log(d) / log(10.0);
1499 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1502 AVCodecContext *enc;
1504 double ti1, bitrate, avg_bitrate;
1506 /* this is executed just the first time do_video_stats is called */
1508 vstats_file = fopen(vstats_filename, "w");
1515 enc = ost->st->codec;
1516 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1517 frame_number = ost->frame_number;
1518 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1519 if (enc->flags&CODEC_FLAG_PSNR)
1520 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1522 fprintf(vstats_file,"f_size= %6d ", frame_size);
1523 /* compute pts value */
1524 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1528 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1529 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1530 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1531 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1532 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1536 /* check for new output on any of the filtergraphs */
1537 static int poll_filters(void)
1539 AVFilterBufferRef *picref;
1540 AVFrame *filtered_frame = NULL;
1543 for (i = 0; i < nb_output_streams; i++) {
1544 OutputStream *ost = output_streams[i];
1545 OutputFile *of = output_files[ost->file_index];
1551 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1552 return AVERROR(ENOMEM);
1554 avcodec_get_frame_defaults(ost->filtered_frame);
1555 filtered_frame = ost->filtered_frame;
1557 while (ret >= 0 && !ost->is_past_recording_time) {
1558 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1559 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1560 ret = av_buffersink_read_samples(ost->filter->filter, &picref,
1561 ost->st->codec->frame_size);
1563 ret = av_buffersink_read(ost->filter->filter, &picref);
1568 avfilter_copy_buf_props(filtered_frame, picref);
1569 if (picref->pts != AV_NOPTS_VALUE)
1570 filtered_frame->pts = av_rescale_q(picref->pts,
1571 ost->filter->filter->inputs[0]->time_base,
1572 ost->st->codec->time_base) -
1573 av_rescale_q(of->start_time,
1575 ost->st->codec->time_base);
1577 if (of->start_time && filtered_frame->pts < of->start_time) {
1578 avfilter_unref_buffer(picref);
1582 switch (ost->filter->filter->inputs[0]->type) {
1583 case AVMEDIA_TYPE_VIDEO:
1584 if (!ost->frame_aspect_ratio)
1585 ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
1587 do_video_out(of->ctx, ost, filtered_frame, &frame_size,
1588 same_quant ? ost->last_quality :
1589 ost->st->codec->global_quality);
1590 if (vstats_filename && frame_size)
1591 do_video_stats(of->ctx, ost, frame_size);
1593 case AVMEDIA_TYPE_AUDIO:
1594 do_audio_out(of->ctx, ost, filtered_frame);
1597 // TODO support subtitle filters
1601 avfilter_unref_buffer(picref);
1607 static void print_report(int is_last_report, int64_t timer_start)
1611 AVFormatContext *oc;
1613 AVCodecContext *enc;
1614 int frame_number, vid, i;
1615 double bitrate, ti1, pts;
1616 static int64_t last_time = -1;
1617 static int qp_histogram[52];
1619 if (!print_stats && !is_last_report)
1622 if (!is_last_report) {
1624 /* display the report every 0.5 seconds */
1625 cur_time = av_gettime();
1626 if (last_time == -1) {
1627 last_time = cur_time;
1630 if ((cur_time - last_time) < 500000)
1632 last_time = cur_time;
1636 oc = output_files[0]->ctx;
1638 total_size = avio_size(oc->pb);
1639 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1640 total_size = avio_tell(oc->pb);
1645 for (i = 0; i < nb_output_streams; i++) {
1647 ost = output_streams[i];
1648 enc = ost->st->codec;
1649 if (!ost->stream_copy && enc->coded_frame)
1650 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1651 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1652 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1654 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1655 float t = (av_gettime() - timer_start) / 1000000.0;
1657 frame_number = ost->frame_number;
1658 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1659 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1661 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1665 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1667 for (j = 0; j < 32; j++)
1668 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1670 if (enc->flags&CODEC_FLAG_PSNR) {
1672 double error, error_sum = 0;
1673 double scale, scale_sum = 0;
1674 char type[3] = { 'Y','U','V' };
1675 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1676 for (j = 0; j < 3; j++) {
1677 if (is_last_report) {
1678 error = enc->error[j];
1679 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1681 error = enc->coded_frame->error[j];
1682 scale = enc->width * enc->height * 255.0 * 255.0;
1688 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1690 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1694 /* compute min output value */
1695 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1696 if ((pts < ti1) && (pts > 0))
1702 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1704 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1705 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1706 (double)total_size / 1024, ti1, bitrate);
1708 if (nb_frames_dup || nb_frames_drop)
1709 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1710 nb_frames_dup, nb_frames_drop);
1712 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1716 if (is_last_report) {
1717 int64_t raw= audio_size + video_size + extra_size;
1718 av_log(NULL, AV_LOG_INFO, "\n");
1719 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1720 video_size / 1024.0,
1721 audio_size / 1024.0,
1722 extra_size / 1024.0,
1723 100.0 * (total_size - raw) / raw
1728 static void flush_encoders(void)
1732 for (i = 0; i < nb_output_streams; i++) {
1733 OutputStream *ost = output_streams[i];
1734 AVCodecContext *enc = ost->st->codec;
1735 AVFormatContext *os = output_files[ost->file_index]->ctx;
1736 int stop_encoding = 0;
1738 if (!ost->encoding_needed)
1741 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1743 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1747 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1751 switch (ost->st->codec->codec_type) {
1752 case AVMEDIA_TYPE_AUDIO:
1753 encode = avcodec_encode_audio2;
1757 case AVMEDIA_TYPE_VIDEO:
1758 encode = avcodec_encode_video2;
1769 av_init_packet(&pkt);
1773 ret = encode(enc, &pkt, NULL, &got_packet);
1775 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1779 if (ost->logfile && enc->stats_out) {
1780 fprintf(ost->logfile, "%s", enc->stats_out);
1786 if (pkt.pts != AV_NOPTS_VALUE)
1787 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1788 if (pkt.dts != AV_NOPTS_VALUE)
1789 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1790 write_frame(os, &pkt, ost);
1800 * Check whether a packet from ist should be written into ost at this time
1802 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1804 OutputFile *of = output_files[ost->file_index];
1805 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1807 if (ost->source_index != ist_index)
1810 if (of->start_time && ist->last_dts < of->start_time)
1816 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1818 OutputFile *of = output_files[ost->file_index];
1819 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1822 av_init_packet(&opkt);
1824 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1825 !ost->copy_initial_nonkeyframes)
1828 if (of->recording_time != INT64_MAX &&
1829 ist->last_dts >= of->recording_time + of->start_time) {
1830 ost->is_past_recording_time = 1;
1834 /* force the input stream PTS */
1835 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1836 audio_size += pkt->size;
1837 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1838 video_size += pkt->size;
1842 if (pkt->pts != AV_NOPTS_VALUE)
1843 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1845 opkt.pts = AV_NOPTS_VALUE;
1847 if (pkt->dts == AV_NOPTS_VALUE)
1848 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
1850 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1851 opkt.dts -= ost_tb_start_time;
1853 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1854 opkt.flags = pkt->flags;
1856 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1857 if ( ost->st->codec->codec_id != CODEC_ID_H264
1858 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1859 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1860 && ost->st->codec->codec_id != CODEC_ID_VC1
1862 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1863 opkt.destruct = av_destruct_packet;
1865 opkt.data = pkt->data;
1866 opkt.size = pkt->size;
1869 write_frame(of->ctx, &opkt, ost);
1870 ost->st->codec->frame_number++;
1871 av_free_packet(&opkt);
1874 static void rate_emu_sleep(InputStream *ist)
1876 if (input_files[ist->file_index]->rate_emu) {
1877 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
1878 int64_t now = av_gettime() - ist->start;
1884 static int guess_input_channel_layout(InputStream *ist)
1886 AVCodecContext *dec = ist->st->codec;
1888 if (!dec->channel_layout) {
1889 char layout_name[256];
1891 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1892 if (!dec->channel_layout)
1894 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1895 dec->channels, dec->channel_layout);
1896 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1897 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1902 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1904 AVFrame *decoded_frame;
1905 AVCodecContext *avctx = ist->st->codec;
1906 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1907 int i, ret, resample_changed;
1909 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1910 return AVERROR(ENOMEM);
1912 avcodec_get_frame_defaults(ist->decoded_frame);
1913 decoded_frame = ist->decoded_frame;
1915 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1921 /* no audio frame */
1923 for (i = 0; i < ist->nb_filters; i++)
1924 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
1928 /* if the decoder provides a pts, use it instead of the last packet pts.
1929 the decoder could be delaying output by a packet or more. */
1930 if (decoded_frame->pts != AV_NOPTS_VALUE)
1931 ist->next_dts = decoded_frame->pts;
1932 else if (pkt->pts != AV_NOPTS_VALUE) {
1933 decoded_frame->pts = pkt->pts;
1934 pkt->pts = AV_NOPTS_VALUE;
1937 // preprocess audio (volume)
1938 if (audio_volume != 256) {
1939 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1940 void *samples = decoded_frame->data[0];
1941 switch (avctx->sample_fmt) {
1942 case AV_SAMPLE_FMT_U8:
1944 uint8_t *volp = samples;
1945 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1946 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1947 *volp++ = av_clip_uint8(v);
1951 case AV_SAMPLE_FMT_S16:
1953 int16_t *volp = samples;
1954 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1955 int v = ((*volp) * audio_volume + 128) >> 8;
1956 *volp++ = av_clip_int16(v);
1960 case AV_SAMPLE_FMT_S32:
1962 int32_t *volp = samples;
1963 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1964 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1965 *volp++ = av_clipl_int32(v);
1969 case AV_SAMPLE_FMT_FLT:
1971 float *volp = samples;
1972 float scale = audio_volume / 256.f;
1973 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1978 case AV_SAMPLE_FMT_DBL:
1980 double *volp = samples;
1981 double scale = audio_volume / 256.;
1982 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1988 av_log(NULL, AV_LOG_FATAL,
1989 "Audio volume adjustment on sample format %s is not supported.\n",
1990 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1995 rate_emu_sleep(ist);
1997 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1998 ist->resample_channels != avctx->channels ||
1999 ist->resample_channel_layout != decoded_frame->channel_layout ||
2000 ist->resample_sample_rate != decoded_frame->sample_rate;
2001 if (resample_changed) {
2002 char layout1[64], layout2[64];
2004 if (!guess_input_channel_layout(ist)) {
2005 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
2006 "layout for Input Stream #%d.%d\n", ist->file_index,
2010 decoded_frame->channel_layout = avctx->channel_layout;
2012 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
2013 ist->resample_channel_layout);
2014 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
2015 decoded_frame->channel_layout);
2017 av_log(NULL, AV_LOG_INFO,
2018 "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
2019 ist->file_index, ist->st->index,
2020 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
2021 ist->resample_channels, layout1,
2022 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
2023 avctx->channels, layout2);
2025 ist->resample_sample_fmt = decoded_frame->format;
2026 ist->resample_sample_rate = decoded_frame->sample_rate;
2027 ist->resample_channel_layout = decoded_frame->channel_layout;
2028 ist->resample_channels = avctx->channels;
2030 for (i = 0; i < nb_filtergraphs; i++)
2031 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2032 configure_filtergraph(filtergraphs[i]) < 0) {
2033 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2038 for (i = 0; i < ist->nb_filters; i++)
2039 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
2044 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
2046 AVFrame *decoded_frame;
2047 void *buffer_to_free = NULL;
2048 int i, ret = 0, resample_changed;
2051 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2052 return AVERROR(ENOMEM);
2054 avcodec_get_frame_defaults(ist->decoded_frame);
2055 decoded_frame = ist->decoded_frame;
2057 ret = avcodec_decode_video2(ist->st->codec,
2058 decoded_frame, got_output, pkt);
2062 quality = same_quant ? decoded_frame->quality : 0;
2064 /* no picture yet */
2066 for (i = 0; i < ist->nb_filters; i++)
2067 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
2070 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
2071 decoded_frame->pkt_dts);
2073 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2075 rate_emu_sleep(ist);
2077 if (ist->st->sample_aspect_ratio.num)
2078 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2080 resample_changed = ist->resample_width != decoded_frame->width ||
2081 ist->resample_height != decoded_frame->height ||
2082 ist->resample_pix_fmt != decoded_frame->format;
2083 if (resample_changed) {
2084 av_log(NULL, AV_LOG_INFO,
2085 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2086 ist->file_index, ist->st->index,
2087 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2088 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2090 ist->resample_width = decoded_frame->width;
2091 ist->resample_height = decoded_frame->height;
2092 ist->resample_pix_fmt = decoded_frame->format;
2094 for (i = 0; i < nb_filtergraphs; i++)
2095 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2096 configure_filtergraph(filtergraphs[i]) < 0) {
2097 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2102 for (i = 0; i < ist->nb_filters; i++) {
2103 // XXX what an ugly hack
2104 if (ist->filters[i]->graph->nb_outputs == 1)
2105 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
2107 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
2108 FrameBuffer *buf = decoded_frame->opaque;
2109 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2110 decoded_frame->data, decoded_frame->linesize,
2111 AV_PERM_READ | AV_PERM_PRESERVE,
2112 ist->st->codec->width, ist->st->codec->height,
2113 ist->st->codec->pix_fmt);
2115 avfilter_copy_frame_props(fb, decoded_frame);
2116 fb->buf->priv = buf;
2117 fb->buf->free = filter_release_buffer;
2120 av_buffersrc_buffer(ist->filters[i]->filter, fb);
2122 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
2125 av_free(buffer_to_free);
2129 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2131 AVSubtitle subtitle;
2132 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2133 &subtitle, got_output, pkt);
2139 rate_emu_sleep(ist);
2141 for (i = 0; i < nb_output_streams; i++) {
2142 OutputStream *ost = output_streams[i];
2144 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2147 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
2150 avsubtitle_free(&subtitle);
2154 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2155 static int output_packet(InputStream *ist, const AVPacket *pkt)
2161 if (ist->next_dts == AV_NOPTS_VALUE)
2162 ist->next_dts = ist->last_dts;
2166 av_init_packet(&avpkt);
2174 if (pkt->dts != AV_NOPTS_VALUE)
2175 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2177 // while we have more to decode or while the decoder did output something on EOF
2178 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2182 ist->last_dts = ist->next_dts;
2184 if (avpkt.size && avpkt.size != pkt->size) {
2185 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2186 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2187 ist->showed_multi_packet_warning = 1;
2190 switch (ist->st->codec->codec_type) {
2191 case AVMEDIA_TYPE_AUDIO:
2192 ret = decode_audio (ist, &avpkt, &got_output);
2194 case AVMEDIA_TYPE_VIDEO:
2195 ret = decode_video (ist, &avpkt, &got_output);
2197 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2198 else if (ist->st->r_frame_rate.num)
2199 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2200 ist->st->r_frame_rate.num},
2202 else if (ist->st->codec->time_base.num != 0) {
2203 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2204 ist->st->codec->ticks_per_frame;
2205 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2208 case AVMEDIA_TYPE_SUBTITLE:
2209 ret = transcode_subtitles(ist, &avpkt, &got_output);
2217 // touch data and size only if not EOF
2227 /* handle stream copy */
2228 if (!ist->decoding_needed) {
2229 rate_emu_sleep(ist);
2230 ist->last_dts = ist->next_dts;
2231 switch (ist->st->codec->codec_type) {
2232 case AVMEDIA_TYPE_AUDIO:
2233 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2234 ist->st->codec->sample_rate;
2236 case AVMEDIA_TYPE_VIDEO:
2237 if (ist->st->codec->time_base.num != 0) {
2238 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2239 ist->next_dts += ((int64_t)AV_TIME_BASE *
2240 ist->st->codec->time_base.num * ticks) /
2241 ist->st->codec->time_base.den;
2246 for (i = 0; pkt && i < nb_output_streams; i++) {
2247 OutputStream *ost = output_streams[i];
2249 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2252 do_streamcopy(ist, ost, pkt);
2258 static void print_sdp(void)
2262 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
2266 for (i = 0; i < nb_output_files; i++)
2267 avc[i] = output_files[i]->ctx;
2269 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2270 printf("SDP:\n%s\n", sdp);
2275 static int init_input_stream(int ist_index, char *error, int error_len)
2278 InputStream *ist = input_streams[ist_index];
2279 if (ist->decoding_needed) {
2280 AVCodec *codec = ist->dec;
2282 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2283 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2284 return AVERROR(EINVAL);
2287 /* update requested sample format for the decoder based on the
2288 corresponding encoder sample format */
2289 for (i = 0; i < nb_output_streams; i++) {
2290 OutputStream *ost = output_streams[i];
2291 if (ost->source_index == ist_index) {
2292 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2297 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2298 ist->st->codec->get_buffer = codec_get_buffer;
2299 ist->st->codec->release_buffer = codec_release_buffer;
2300 ist->st->codec->opaque = &ist->buffer_pool;
2303 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2304 av_dict_set(&ist->opts, "threads", "auto", 0);
2305 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2306 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2307 ist->file_index, ist->st->index);
2308 return AVERROR(EINVAL);
2310 assert_codec_experimental(ist->st->codec, 0);
2311 assert_avoptions(ist->opts);
2314 ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2315 ist->next_dts = AV_NOPTS_VALUE;
2316 init_pts_correction(&ist->pts_ctx);
2322 static InputStream *get_input_stream(OutputStream *ost)
2324 if (ost->source_index >= 0)
2325 return input_streams[ost->source_index];
2328 FilterGraph *fg = ost->filter->graph;
2331 for (i = 0; i < fg->nb_inputs; i++)
2332 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
2333 return fg->inputs[i]->ist;
2339 static int transcode_init(void)
2341 int ret = 0, i, j, k;
2342 AVFormatContext *oc;
2343 AVCodecContext *codec, *icodec;
2349 /* init framerate emulation */
2350 for (i = 0; i < nb_input_files; i++) {
2351 InputFile *ifile = input_files[i];
2352 if (ifile->rate_emu)
2353 for (j = 0; j < ifile->nb_streams; j++)
2354 input_streams[j + ifile->ist_index]->start = av_gettime();
2357 /* output stream init */
2358 for (i = 0; i < nb_output_files; i++) {
2359 oc = output_files[i]->ctx;
2360 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2361 av_dump_format(oc, i, oc->filename, 1);
2362 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2363 return AVERROR(EINVAL);
2367 /* init complex filtergraphs */
2368 for (i = 0; i < nb_filtergraphs; i++)
2369 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2372 /* for each output stream, we compute the right encoding parameters */
2373 for (i = 0; i < nb_output_streams; i++) {
2374 ost = output_streams[i];
2375 oc = output_files[ost->file_index]->ctx;
2376 ist = get_input_stream(ost);
2378 if (ost->attachment_filename)
2381 codec = ost->st->codec;
2384 icodec = ist->st->codec;
2386 ost->st->disposition = ist->st->disposition;
2387 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2388 codec->chroma_sample_location = icodec->chroma_sample_location;
2391 if (ost->stream_copy) {
2392 uint64_t extra_size;
2394 av_assert0(ist && !ost->filter);
2396 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2398 if (extra_size > INT_MAX) {
2399 return AVERROR(EINVAL);
2402 /* if stream_copy is selected, no need to decode or encode */
2403 codec->codec_id = icodec->codec_id;
2404 codec->codec_type = icodec->codec_type;
2406 if (!codec->codec_tag) {
2407 if (!oc->oformat->codec_tag ||
2408 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2409 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2410 codec->codec_tag = icodec->codec_tag;
2413 codec->bit_rate = icodec->bit_rate;
2414 codec->rc_max_rate = icodec->rc_max_rate;
2415 codec->rc_buffer_size = icodec->rc_buffer_size;
2416 codec->field_order = icodec->field_order;
2417 codec->extradata = av_mallocz(extra_size);
2418 if (!codec->extradata) {
2419 return AVERROR(ENOMEM);
2421 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2422 codec->extradata_size = icodec->extradata_size;
2424 codec->time_base = icodec->time_base;
2425 codec->time_base.num *= icodec->ticks_per_frame;
2426 av_reduce(&codec->time_base.num, &codec->time_base.den,
2427 codec->time_base.num, codec->time_base.den, INT_MAX);
2429 codec->time_base = ist->st->time_base;
2431 switch (codec->codec_type) {
2432 case AVMEDIA_TYPE_AUDIO:
2433 if (audio_volume != 256) {
2434 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2437 codec->channel_layout = icodec->channel_layout;
2438 codec->sample_rate = icodec->sample_rate;
2439 codec->channels = icodec->channels;
2440 codec->frame_size = icodec->frame_size;
2441 codec->audio_service_type = icodec->audio_service_type;
2442 codec->block_align = icodec->block_align;
2444 case AVMEDIA_TYPE_VIDEO:
2445 codec->pix_fmt = icodec->pix_fmt;
2446 codec->width = icodec->width;
2447 codec->height = icodec->height;
2448 codec->has_b_frames = icodec->has_b_frames;
2449 if (!codec->sample_aspect_ratio.num) {
2450 codec->sample_aspect_ratio =
2451 ost->st->sample_aspect_ratio =
2452 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2453 ist->st->codec->sample_aspect_ratio.num ?
2454 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2457 case AVMEDIA_TYPE_SUBTITLE:
2458 codec->width = icodec->width;
2459 codec->height = icodec->height;
2461 case AVMEDIA_TYPE_DATA:
2462 case AVMEDIA_TYPE_ATTACHMENT:
2469 /* should only happen when a default codec is not present. */
2470 snprintf(error, sizeof(error), "Automatic encoder selection "
2471 "failed for output stream #%d:%d. Default encoder for "
2472 "format %s is probably disabled. Please choose an "
2473 "encoder manually.\n", ost->file_index, ost->index,
2475 ret = AVERROR(EINVAL);
2480 ist->decoding_needed = 1;
2481 ost->encoding_needed = 1;
2484 * We want CFR output if and only if one of those is true:
2485 * 1) user specified output framerate with -r
2486 * 2) user specified -vsync cfr
2487 * 3) output format is CFR and the user didn't force vsync to
2488 * something else than CFR
2490 * in such a case, set ost->frame_rate
2492 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
2493 !ost->frame_rate.num && ist &&
2494 (video_sync_method == VSYNC_CFR ||
2495 (video_sync_method == VSYNC_AUTO &&
2496 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2497 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2498 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2499 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2500 ost->frame_rate = ost->enc->supported_framerates[idx];
2505 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2506 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2508 fg = init_simple_filtergraph(ist, ost);
2509 if (configure_filtergraph(fg)) {
2510 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2515 switch (codec->codec_type) {
2516 case AVMEDIA_TYPE_AUDIO:
2517 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2518 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2519 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2520 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
2521 codec->time_base = (AVRational){ 1, codec->sample_rate };
2523 case AVMEDIA_TYPE_VIDEO:
2524 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2526 codec->width = ost->filter->filter->inputs[0]->w;
2527 codec->height = ost->filter->filter->inputs[0]->h;
2528 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2529 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2530 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
2531 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2532 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2534 if (codec->width != icodec->width ||
2535 codec->height != icodec->height ||
2536 codec->pix_fmt != icodec->pix_fmt) {
2537 codec->bits_per_raw_sample = 0;
2541 case AVMEDIA_TYPE_SUBTITLE:
2542 codec->time_base = (AVRational){1, 1000};
2549 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2550 char logfilename[1024];
2553 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2554 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2556 if (!strcmp(ost->enc->name, "libx264")) {
2557 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2559 if (codec->flags & CODEC_FLAG_PASS1) {
2560 f = fopen(logfilename, "wb");
2562 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2563 logfilename, strerror(errno));
2569 size_t logbuffer_size;
2570 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2571 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2575 codec->stats_in = logbuffer;
2582 /* open each encoder */
2583 for (i = 0; i < nb_output_streams; i++) {
2584 ost = output_streams[i];
2585 if (ost->encoding_needed) {
2586 AVCodec *codec = ost->enc;
2587 AVCodecContext *dec = NULL;
2589 if ((ist = get_input_stream(ost)))
2590 dec = ist->st->codec;
2591 if (dec && dec->subtitle_header) {
2592 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2593 if (!ost->st->codec->subtitle_header) {
2594 ret = AVERROR(ENOMEM);
2597 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2598 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2600 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2601 av_dict_set(&ost->opts, "threads", "auto", 0);
2602 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2603 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2604 ost->file_index, ost->index);
2605 ret = AVERROR(EINVAL);
2608 assert_codec_experimental(ost->st->codec, 1);
2609 assert_avoptions(ost->opts);
2610 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2611 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2612 "It takes bits/s as argument, not kbits/s\n");
2613 extra_size += ost->st->codec->extradata_size;
2615 if (ost->st->codec->me_threshold)
2616 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
2620 /* init input streams */
2621 for (i = 0; i < nb_input_streams; i++)
2622 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
2625 /* discard unused programs */
2626 for (i = 0; i < nb_input_files; i++) {
2627 InputFile *ifile = input_files[i];
2628 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2629 AVProgram *p = ifile->ctx->programs[j];
2630 int discard = AVDISCARD_ALL;
2632 for (k = 0; k < p->nb_stream_indexes; k++)
2633 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2634 discard = AVDISCARD_DEFAULT;
2637 p->discard = discard;
2641 /* open files and write file headers */
2642 for (i = 0; i < nb_output_files; i++) {
2643 oc = output_files[i]->ctx;
2644 oc->interrupt_callback = int_cb;
2645 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2647 const char *errbuf_ptr = errbuf;
2648 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2649 errbuf_ptr = strerror(AVUNERROR(ret));
2650 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
2651 ret = AVERROR(EINVAL);
2654 assert_avoptions(output_files[i]->opts);
2655 if (strcmp(oc->oformat->name, "rtp")) {
2661 /* dump the file output parameters - cannot be done before in case
2663 for (i = 0; i < nb_output_files; i++) {
2664 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2667 /* dump the stream mapping */
2668 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2669 for (i = 0; i < nb_input_streams; i++) {
2670 ist = input_streams[i];
2672 for (j = 0; j < ist->nb_filters; j++) {
2673 if (ist->filters[j]->graph->graph_desc) {
2674 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2675 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2676 ist->filters[j]->name);
2677 if (nb_filtergraphs > 1)
2678 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2679 av_log(NULL, AV_LOG_INFO, "\n");
2684 for (i = 0; i < nb_output_streams; i++) {
2685 ost = output_streams[i];
2687 if (ost->attachment_filename) {
2688 /* an attached file */
2689 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2690 ost->attachment_filename, ost->file_index, ost->index);
2694 if (ost->filter && ost->filter->graph->graph_desc) {
2695 /* output from a complex graph */
2696 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2697 if (nb_filtergraphs > 1)
2698 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2700 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2701 ost->index, ost->enc ? ost->enc->name : "?");
2705 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2706 input_streams[ost->source_index]->file_index,
2707 input_streams[ost->source_index]->st->index,
2710 if (ost->sync_ist != input_streams[ost->source_index])
2711 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2712 ost->sync_ist->file_index,
2713 ost->sync_ist->st->index);
2714 if (ost->stream_copy)
2715 av_log(NULL, AV_LOG_INFO, " (copy)");
2717 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2718 input_streams[ost->source_index]->dec->name : "?",
2719 ost->enc ? ost->enc->name : "?");
2720 av_log(NULL, AV_LOG_INFO, "\n");
2724 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2736 * @return 1 if there are still streams where more output is wanted,
2739 static int need_output(void)
2743 for (i = 0; i < nb_output_streams; i++) {
2744 OutputStream *ost = output_streams[i];
2745 OutputFile *of = output_files[ost->file_index];
2746 AVFormatContext *os = output_files[ost->file_index]->ctx;
2748 if (ost->is_past_recording_time ||
2749 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2751 if (ost->frame_number >= ost->max_frames) {
2753 for (j = 0; j < of->ctx->nb_streams; j++)
2754 output_streams[of->ost_index + j]->is_past_recording_time = 1;
2764 static int select_input_file(uint8_t *no_packet)
2766 int64_t ipts_min = INT64_MAX;
2767 int i, file_index = -1;
2769 for (i = 0; i < nb_input_streams; i++) {
2770 InputStream *ist = input_streams[i];
2771 int64_t ipts = ist->last_dts;
2773 if (ist->discard || no_packet[ist->file_index])
2775 if (!input_files[ist->file_index]->eof_reached) {
2776 if (ipts < ipts_min) {
2778 file_index = ist->file_index;
2787 static void *input_thread(void *arg)
2792 while (!transcoding_finished && ret >= 0) {
2794 ret = av_read_frame(f->ctx, &pkt);
2796 if (ret == AVERROR(EAGAIN)) {
2803 pthread_mutex_lock(&f->fifo_lock);
2804 while (!av_fifo_space(f->fifo))
2805 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2807 av_dup_packet(&pkt);
2808 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2810 pthread_mutex_unlock(&f->fifo_lock);
2817 static void free_input_threads(void)
2821 if (nb_input_files == 1)
2824 transcoding_finished = 1;
2826 for (i = 0; i < nb_input_files; i++) {
2827 InputFile *f = input_files[i];
2833 pthread_mutex_lock(&f->fifo_lock);
2834 while (av_fifo_size(f->fifo)) {
2835 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2836 av_free_packet(&pkt);
2838 pthread_cond_signal(&f->fifo_cond);
2839 pthread_mutex_unlock(&f->fifo_lock);
2841 pthread_join(f->thread, NULL);
2844 while (av_fifo_size(f->fifo)) {
2845 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2846 av_free_packet(&pkt);
2848 av_fifo_free(f->fifo);
2852 static int init_input_threads(void)
2856 if (nb_input_files == 1)
2859 for (i = 0; i < nb_input_files; i++) {
2860 InputFile *f = input_files[i];
2862 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2863 return AVERROR(ENOMEM);
2865 pthread_mutex_init(&f->fifo_lock, NULL);
2866 pthread_cond_init (&f->fifo_cond, NULL);
2868 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2869 return AVERROR(ret);
2874 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2878 pthread_mutex_lock(&f->fifo_lock);
2880 if (av_fifo_size(f->fifo)) {
2881 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2882 pthread_cond_signal(&f->fifo_cond);
2887 ret = AVERROR(EAGAIN);
2890 pthread_mutex_unlock(&f->fifo_lock);
2896 static int get_input_packet(InputFile *f, AVPacket *pkt)
2899 if (nb_input_files > 1)
2900 return get_input_packet_mt(f, pkt);
2902 return av_read_frame(f->ctx, pkt);
2906 * The following code is the main loop of the file converter
2908 static int transcode(void)
2911 AVFormatContext *is, *os;
2915 int no_packet_count = 0;
2916 int64_t timer_start;
2918 if (!(no_packet = av_mallocz(nb_input_files)))
2921 ret = transcode_init();
2925 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2928 timer_start = av_gettime();
2931 if ((ret = init_input_threads()) < 0)
2935 for (; received_sigterm == 0;) {
2936 int file_index, ist_index;
2939 /* check if there's any stream where output is still needed */
2940 if (!need_output()) {
2941 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
2945 /* select the stream that we must read now */
2946 file_index = select_input_file(no_packet);
2947 /* if none, if is finished */
2948 if (file_index < 0) {
2949 if (no_packet_count) {
2950 no_packet_count = 0;
2951 memset(no_packet, 0, nb_input_files);
2955 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
2959 is = input_files[file_index]->ctx;
2960 ret = get_input_packet(input_files[file_index], &pkt);
2962 if (ret == AVERROR(EAGAIN)) {
2963 no_packet[file_index] = 1;
2968 input_files[file_index]->eof_reached = 1;
2970 for (i = 0; i < input_files[file_index]->nb_streams; i++) {
2971 ist = input_streams[input_files[file_index]->ist_index + i];
2972 if (ist->decoding_needed)
2973 output_packet(ist, NULL);
2982 no_packet_count = 0;
2983 memset(no_packet, 0, nb_input_files);
2986 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2987 is->streams[pkt.stream_index]);
2989 /* the following test is needed in case new streams appear
2990 dynamically in stream : we ignore them */
2991 if (pkt.stream_index >= input_files[file_index]->nb_streams)
2992 goto discard_packet;
2993 ist_index = input_files[file_index]->ist_index + pkt.stream_index;
2994 ist = input_streams[ist_index];
2996 goto discard_packet;
2998 if (pkt.dts != AV_NOPTS_VALUE)
2999 pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3000 if (pkt.pts != AV_NOPTS_VALUE)
3001 pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3003 if (pkt.pts != AV_NOPTS_VALUE)
3004 pkt.pts *= ist->ts_scale;
3005 if (pkt.dts != AV_NOPTS_VALUE)
3006 pkt.dts *= ist->ts_scale;
3008 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
3010 // pkt.dts, input_files[ist->file_index].ts_offset,
3011 // ist->st->codec->codec_type);
3012 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
3013 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3014 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3015 int64_t delta = pkt_dts - ist->next_dts;
3016 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
3017 input_files[ist->file_index]->ts_offset -= delta;
3018 av_log(NULL, AV_LOG_DEBUG,
3019 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3020 delta, input_files[ist->file_index]->ts_offset);
3021 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3022 if (pkt.pts != AV_NOPTS_VALUE)
3023 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3027 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3028 if (output_packet(ist, &pkt) < 0 || poll_filters() < 0) {
3029 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3030 ist->file_index, ist->st->index);
3033 av_free_packet(&pkt);
3038 av_free_packet(&pkt);
3040 /* dump report by using the output first video and audio streams */
3041 print_report(0, timer_start);
3044 free_input_threads();
3047 /* at the end of stream, we must flush the decoder buffers */
3048 for (i = 0; i < nb_input_streams; i++) {
3049 ist = input_streams[i];
3050 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3051 output_packet(ist, NULL);
3059 /* write the trailer if needed and close file */
3060 for (i = 0; i < nb_output_files; i++) {
3061 os = output_files[i]->ctx;
3062 av_write_trailer(os);
3065 /* dump report by using the first video and audio streams */
3066 print_report(1, timer_start);
3068 /* close each encoder */
3069 for (i = 0; i < nb_output_streams; i++) {
3070 ost = output_streams[i];
3071 if (ost->encoding_needed) {
3072 av_freep(&ost->st->codec->stats_in);
3073 avcodec_close(ost->st->codec);
3077 /* close each decoder */
3078 for (i = 0; i < nb_input_streams; i++) {
3079 ist = input_streams[i];
3080 if (ist->decoding_needed) {
3081 avcodec_close(ist->st->codec);
3089 av_freep(&no_packet);
3091 free_input_threads();
3094 if (output_streams) {
3095 for (i = 0; i < nb_output_streams; i++) {
3096 ost = output_streams[i];
3098 if (ost->stream_copy)
3099 av_freep(&ost->st->codec->extradata);
3101 fclose(ost->logfile);
3102 ost->logfile = NULL;
3104 av_freep(&ost->st->codec->subtitle_header);
3105 av_free(ost->forced_kf_pts);
3106 av_dict_free(&ost->opts);
3113 static double parse_frame_aspect_ratio(const char *arg)
3120 p = strchr(arg, ':');
3122 x = strtol(arg, &end, 10);
3124 y = strtol(end + 1, &end, 10);
3126 ar = (double)x / (double)y;
3128 ar = strtod(arg, NULL);
3131 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
3137 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3139 return parse_option(o, "codec:a", arg, options);
3142 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3144 return parse_option(o, "codec:v", arg, options);
3147 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3149 return parse_option(o, "codec:s", arg, options);
3152 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3154 return parse_option(o, "codec:d", arg, options);
3157 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3159 StreamMap *m = NULL;
3160 int i, negative = 0, file_idx;
3161 int sync_file_idx = -1, sync_stream_idx;
3169 map = av_strdup(arg);
3171 /* parse sync stream first, just pick first matching stream */
3172 if (sync = strchr(map, ',')) {
3174 sync_file_idx = strtol(sync + 1, &sync, 0);
3175 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3176 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3181 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
3182 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
3183 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
3184 sync_stream_idx = i;
3187 if (i == input_files[sync_file_idx]->nb_streams) {
3188 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3189 "match any streams.\n", arg);
3195 if (map[0] == '[') {
3196 /* this mapping refers to lavfi output */
3197 const char *c = map + 1;
3198 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3199 &o->nb_stream_maps, o->nb_stream_maps + 1);
3200 m = &o->stream_maps[o->nb_stream_maps - 1];
3201 m->linklabel = av_get_token(&c, "]");
3202 if (!m->linklabel) {
3203 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
3207 file_idx = strtol(map, &p, 0);
3208 if (file_idx >= nb_input_files || file_idx < 0) {
3209 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3213 /* disable some already defined maps */
3214 for (i = 0; i < o->nb_stream_maps; i++) {
3215 m = &o->stream_maps[i];
3216 if (file_idx == m->file_index &&
3217 check_stream_specifier(input_files[m->file_index]->ctx,
3218 input_files[m->file_index]->ctx->streams[m->stream_index],
3219 *p == ':' ? p + 1 : p) > 0)
3223 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
3224 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
3225 *p == ':' ? p + 1 : p) <= 0)
3227 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3228 &o->nb_stream_maps, o->nb_stream_maps + 1);
3229 m = &o->stream_maps[o->nb_stream_maps - 1];
3231 m->file_index = file_idx;
3232 m->stream_index = i;
3234 if (sync_file_idx >= 0) {
3235 m->sync_file_index = sync_file_idx;
3236 m->sync_stream_index = sync_stream_idx;
3238 m->sync_file_index = file_idx;
3239 m->sync_stream_index = i;
3245 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3253 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3255 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3256 &o->nb_attachments, o->nb_attachments + 1);
3257 o->attachments[o->nb_attachments - 1] = arg;
3262 * Parse a metadata specifier in arg.
3263 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3264 * @param index for type c/p, chapter/program index is written here
3265 * @param stream_spec for type s, the stream specifier is written here
3267 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3275 if (*(++arg) && *arg != ':') {
3276 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3279 *stream_spec = *arg == ':' ? arg + 1 : "";
3283 if (*(++arg) == ':')
3284 *index = strtol(++arg, NULL, 0);
3287 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3294 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3296 AVDictionary **meta_in = NULL;
3297 AVDictionary **meta_out;
3299 char type_in, type_out;
3300 const char *istream_spec = NULL, *ostream_spec = NULL;
3301 int idx_in = 0, idx_out = 0;
3303 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3304 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3306 if (type_in == 'g' || type_out == 'g')
3307 o->metadata_global_manual = 1;
3308 if (type_in == 's' || type_out == 's')
3309 o->metadata_streams_manual = 1;
3310 if (type_in == 'c' || type_out == 'c')
3311 o->metadata_chapters_manual = 1;
3313 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3314 if ((index) < 0 || (index) >= (nb_elems)) {\
3315 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3320 #define SET_DICT(type, meta, context, index)\
3323 meta = &context->metadata;\
3326 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3327 meta = &context->chapters[index]->metadata;\
3330 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3331 meta = &context->programs[index]->metadata;\
3335 SET_DICT(type_in, meta_in, ic, idx_in);
3336 SET_DICT(type_out, meta_out, oc, idx_out);
3338 /* for input streams choose first matching stream */
3339 if (type_in == 's') {
3340 for (i = 0; i < ic->nb_streams; i++) {
3341 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3342 meta_in = &ic->streams[i]->metadata;
3348 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3353 if (type_out == 's') {
3354 for (i = 0; i < oc->nb_streams; i++) {
3355 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3356 meta_out = &oc->streams[i]->metadata;
3357 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3362 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3367 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3369 const char *codec_string = encoder ? "encoder" : "decoder";
3373 avcodec_find_encoder_by_name(name) :
3374 avcodec_find_decoder_by_name(name);
3376 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3379 if (codec->type != type) {
3380 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3386 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3388 char *codec_name = NULL;
3390 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3392 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3393 st->codec->codec_id = codec->id;
3396 return avcodec_find_decoder(st->codec->codec_id);
3400 * Add all the streams from the given input file to the global
3401 * list of input streams.
3403 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3407 for (i = 0; i < ic->nb_streams; i++) {
3408 AVStream *st = ic->streams[i];
3409 AVCodecContext *dec = st->codec;
3410 InputStream *ist = av_mallocz(sizeof(*ist));
3411 char *framerate = NULL;
3416 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3417 input_streams[nb_input_streams - 1] = ist;
3420 ist->file_index = nb_input_files;
3422 st->discard = AVDISCARD_ALL;
3423 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3425 ist->ts_scale = 1.0;
3426 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3428 ist->dec = choose_decoder(o, ic, st);
3430 switch (dec->codec_type) {
3431 case AVMEDIA_TYPE_VIDEO:
3432 ist->resample_height = dec->height;
3433 ist->resample_width = dec->width;
3434 ist->resample_pix_fmt = dec->pix_fmt;
3436 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
3437 if (framerate && av_parse_video_rate(&ist->framerate,
3439 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
3445 case AVMEDIA_TYPE_AUDIO:
3446 guess_input_channel_layout(ist);
3448 ist->resample_sample_fmt = dec->sample_fmt;
3449 ist->resample_sample_rate = dec->sample_rate;
3450 ist->resample_channels = dec->channels;
3451 ist->resample_channel_layout = dec->channel_layout;
3454 case AVMEDIA_TYPE_DATA:
3455 case AVMEDIA_TYPE_SUBTITLE:
3456 case AVMEDIA_TYPE_ATTACHMENT:
3457 case AVMEDIA_TYPE_UNKNOWN:
3465 static void assert_file_overwrite(const char *filename)
3467 if (!file_overwrite &&
3468 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3469 av_strstart(filename, "file:", NULL))) {
3470 if (avio_check(filename, 0) == 0) {
3472 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3474 if (!read_yesno()) {
3475 fprintf(stderr, "Not overwriting - exiting\n");
3480 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3487 static void dump_attachment(AVStream *st, const char *filename)
3490 AVIOContext *out = NULL;
3491 AVDictionaryEntry *e;
3493 if (!st->codec->extradata_size) {
3494 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3495 nb_input_files - 1, st->index);
3498 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3499 filename = e->value;
3501 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3502 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3506 assert_file_overwrite(filename);
3508 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3509 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3514 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3519 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3521 AVFormatContext *ic;
3522 AVInputFormat *file_iformat = NULL;
3526 AVDictionary **opts;
3527 int orig_nb_streams; // number of streams before avformat_find_stream_info
3530 if (!(file_iformat = av_find_input_format(o->format))) {
3531 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3536 if (!strcmp(filename, "-"))
3539 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3540 !strcmp(filename, "/dev/stdin");
3542 /* get default parameters from command line */
3543 ic = avformat_alloc_context();
3545 print_error(filename, AVERROR(ENOMEM));
3548 if (o->nb_audio_sample_rate) {
3549 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3550 av_dict_set(&format_opts, "sample_rate", buf, 0);
3552 if (o->nb_audio_channels) {
3553 /* because we set audio_channels based on both the "ac" and
3554 * "channel_layout" options, we need to check that the specified
3555 * demuxer actually has the "channels" option before setting it */
3556 if (file_iformat && file_iformat->priv_class &&
3557 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
3558 AV_OPT_SEARCH_FAKE_OBJ)) {
3559 snprintf(buf, sizeof(buf), "%d",
3560 o->audio_channels[o->nb_audio_channels - 1].u.i);
3561 av_dict_set(&format_opts, "channels", buf, 0);
3564 if (o->nb_frame_rates) {
3565 /* set the format-level framerate option;
3566 * this is important for video grabbers, e.g. x11 */
3567 if (file_iformat && file_iformat->priv_class &&
3568 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
3569 AV_OPT_SEARCH_FAKE_OBJ)) {
3570 av_dict_set(&format_opts, "framerate",
3571 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3574 if (o->nb_frame_sizes) {
3575 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3577 if (o->nb_frame_pix_fmts)
3578 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3580 ic->flags |= AVFMT_FLAG_NONBLOCK;
3581 ic->interrupt_callback = int_cb;
3583 /* open the input file with generic libav function */
3584 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3586 print_error(filename, err);
3589 assert_avoptions(format_opts);
3591 /* apply forced codec ids */
3592 for (i = 0; i < ic->nb_streams; i++)
3593 choose_decoder(o, ic, ic->streams[i]);
3595 /* Set AVCodecContext options for avformat_find_stream_info */
3596 opts = setup_find_stream_info_opts(ic, codec_opts);
3597 orig_nb_streams = ic->nb_streams;
3599 /* If not enough info to get the stream parameters, we decode the
3600 first frames to get it. (used in mpeg case for example) */
3601 ret = avformat_find_stream_info(ic, opts);
3603 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3604 avformat_close_input(&ic);
3608 timestamp = o->start_time;
3609 /* add the stream start time */
3610 if (ic->start_time != AV_NOPTS_VALUE)
3611 timestamp += ic->start_time;
3613 /* if seeking requested, we execute it */
3614 if (o->start_time != 0) {
3615 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3617 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3618 filename, (double)timestamp / AV_TIME_BASE);
3622 /* update the current parameters so that they match the one of the input stream */
3623 add_input_streams(o, ic);
3625 /* dump the file content */
3626 av_dump_format(ic, nb_input_files, filename, 0);
3628 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3629 if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
3632 input_files[nb_input_files - 1]->ctx = ic;
3633 input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams;
3634 input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3635 input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
3636 input_files[nb_input_files - 1]->rate_emu = o->rate_emu;
3638 for (i = 0; i < o->nb_dump_attachment; i++) {
3641 for (j = 0; j < ic->nb_streams; j++) {
3642 AVStream *st = ic->streams[j];
3644 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3645 dump_attachment(st, o->dump_attachment[i].u.str);
3649 for (i = 0; i < orig_nb_streams; i++)
3650 av_dict_free(&opts[i]);
3657 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3658 AVCodecContext *avctx)
3664 for (p = kf; *p; p++)
3667 ost->forced_kf_count = n;
3668 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3669 if (!ost->forced_kf_pts) {
3670 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3673 for (i = 0; i < n; i++) {
3674 p = i ? strchr(p, ',') + 1 : kf;
3675 t = parse_time_or_die("force_key_frames", p, 1);
3676 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3680 static uint8_t *get_line(AVIOContext *s)
3686 if (avio_open_dyn_buf(&line) < 0) {
3687 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3691 while ((c = avio_r8(s)) && c != '\n')
3694 avio_close_dyn_buf(line, &buf);
3699 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3702 char filename[1000];
3703 const char *base[3] = { getenv("AVCONV_DATADIR"),
3708 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3712 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3713 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3714 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3717 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3718 i != 1 ? "" : "/.avconv", preset_name);
3719 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3725 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3727 char *codec_name = NULL;
3729 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3731 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3732 NULL, ost->st->codec->codec_type);
3733 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3734 } else if (!strcmp(codec_name, "copy"))
3735 ost->stream_copy = 1;
3737 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3738 ost->st->codec->codec_id = ost->enc->id;
3742 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3745 AVStream *st = avformat_new_stream(oc, NULL);
3746 int idx = oc->nb_streams - 1, ret = 0;
3747 char *bsf = NULL, *next, *codec_tag = NULL;
3748 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3750 char *buf = NULL, *arg = NULL, *preset = NULL;
3751 AVIOContext *s = NULL;
3754 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3758 if (oc->nb_streams - 1 < o->nb_streamid_map)
3759 st->id = o->streamid_map[oc->nb_streams - 1];
3761 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3762 nb_output_streams + 1);
3763 if (!(ost = av_mallocz(sizeof(*ost))))
3765 output_streams[nb_output_streams - 1] = ost;
3767 ost->file_index = nb_output_files;
3770 st->codec->codec_type = type;
3771 choose_encoder(o, oc, ost);
3773 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3776 avcodec_get_context_defaults3(st->codec, ost->enc);
3777 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3779 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3780 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3783 if (!buf[0] || buf[0] == '#') {
3787 if (!(arg = strchr(buf, '='))) {
3788 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3792 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3794 } while (!s->eof_reached);
3798 av_log(NULL, AV_LOG_FATAL,
3799 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3800 preset, ost->file_index, ost->index);
3804 ost->max_frames = INT64_MAX;
3805 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3807 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3809 if (next = strchr(bsf, ','))
3811 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3812 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3816 bsfc_prev->next = bsfc;
3818 ost->bitstream_filters = bsfc;
3824 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3826 uint32_t tag = strtol(codec_tag, &next, 0);
3828 tag = AV_RL32(codec_tag);
3829 st->codec->codec_tag = tag;
3832 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3833 if (qscale >= 0 || same_quant) {
3834 st->codec->flags |= CODEC_FLAG_QSCALE;
3835 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3838 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3839 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3841 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3843 ost->pix_fmts[0] = ost->pix_fmts[1] = PIX_FMT_NONE;
3848 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3851 const char *p = str;
3858 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3865 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3869 AVCodecContext *video_enc;
3871 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3873 video_enc = st->codec;
3875 if (!ost->stream_copy) {
3876 const char *p = NULL;
3877 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3878 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3879 char *intra_matrix = NULL, *inter_matrix = NULL;
3880 const char *filters = "null";
3883 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3884 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3885 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3889 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3890 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3891 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3895 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3896 if (frame_aspect_ratio)
3897 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3899 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3900 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3901 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3904 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3906 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3908 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3909 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3912 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3914 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3916 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3917 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3920 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3923 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3924 for (i = 0; p; i++) {
3926 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3928 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3931 video_enc->rc_override =
3932 av_realloc(video_enc->rc_override,
3933 sizeof(RcOverride) * (i + 1));
3934 video_enc->rc_override[i].start_frame = start;
3935 video_enc->rc_override[i].end_frame = end;
3937 video_enc->rc_override[i].qscale = q;
3938 video_enc->rc_override[i].quality_factor = 1.0;
3941 video_enc->rc_override[i].qscale = 0;
3942 video_enc->rc_override[i].quality_factor = -q/100.0;
3947 video_enc->rc_override_count = i;
3948 if (!video_enc->rc_initial_buffer_occupancy)
3949 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
3950 video_enc->intra_dc_precision = intra_dc_precision - 8;
3955 video_enc->flags |= CODEC_FLAG_PASS1;
3957 video_enc->flags |= CODEC_FLAG_PASS2;
3961 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3962 if (forced_key_frames)
3963 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3965 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3967 ost->top_field_first = -1;
3968 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3970 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3971 ost->avfilter = av_strdup(filters);
3973 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3979 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3983 AVCodecContext *audio_enc;
3985 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3988 audio_enc = st->codec;
3989 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3991 if (!ost->stream_copy) {
3992 char *sample_fmt = NULL;
3993 const char *filters = "anull";
3995 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3997 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3999 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4000 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4004 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4006 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4007 ost->avfilter = av_strdup(filters);
4013 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4017 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4018 if (!ost->stream_copy) {
4019 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4026 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4028 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4029 ost->stream_copy = 1;
4033 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4037 AVCodecContext *subtitle_enc;
4039 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4041 subtitle_enc = st->codec;
4043 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4048 /* arg format is "output-stream-index:streamid-value". */
4049 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4055 av_strlcpy(idx_str, arg, sizeof(idx_str));
4056 p = strchr(idx_str, ':');
4058 av_log(NULL, AV_LOG_FATAL,
4059 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4064 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
4065 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4066 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4070 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4072 AVFormatContext *is = ifile->ctx;
4073 AVFormatContext *os = ofile->ctx;
4076 for (i = 0; i < is->nb_chapters; i++) {
4077 AVChapter *in_ch = is->chapters[i], *out_ch;
4078 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4079 AV_TIME_BASE_Q, in_ch->time_base);
4080 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4081 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4084 if (in_ch->end < ts_off)
4086 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4089 out_ch = av_mallocz(sizeof(AVChapter));
4091 return AVERROR(ENOMEM);
4093 out_ch->id = in_ch->id;
4094 out_ch->time_base = in_ch->time_base;
4095 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4096 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4099 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4102 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
4104 return AVERROR(ENOMEM);
4105 os->chapters[os->nb_chapters - 1] = out_ch;
4110 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
4111 AVFormatContext *oc)
4115 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
4116 ofilter->out_tmp->pad_idx)) {
4117 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4118 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4120 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
4125 ost->source_index = -1;
4126 ost->filter = ofilter;
4130 if (ost->stream_copy) {
4131 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
4132 "which is fed from a complex filtergraph. Filtering and streamcopy "
4133 "cannot be used together.\n", ost->file_index, ost->index);
4137 if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
4138 av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
4141 avfilter_inout_free(&ofilter->out_tmp);
4144 static void opt_output_file(void *optctx, const char *filename)
4146 OptionsContext *o = optctx;
4147 AVFormatContext *oc;
4149 AVOutputFormat *file_oformat;
4153 if (configure_complex_filters() < 0) {
4154 av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
4158 if (!strcmp(filename, "-"))
4161 oc = avformat_alloc_context();
4163 print_error(filename, AVERROR(ENOMEM));
4168 file_oformat = av_guess_format(o->format, NULL, NULL);
4169 if (!file_oformat) {
4170 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
4174 file_oformat = av_guess_format(NULL, filename, NULL);
4175 if (!file_oformat) {
4176 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
4182 oc->oformat = file_oformat;
4183 oc->interrupt_callback = int_cb;
4184 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
4186 /* create streams for all unlabeled output pads */
4187 for (i = 0; i < nb_filtergraphs; i++) {
4188 FilterGraph *fg = filtergraphs[i];
4189 for (j = 0; j < fg->nb_outputs; j++) {
4190 OutputFilter *ofilter = fg->outputs[j];
4192 if (!ofilter->out_tmp || ofilter->out_tmp->name)
4195 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
4196 ofilter->out_tmp->pad_idx)) {
4197 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
4198 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
4199 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
4201 init_output_filter(ofilter, o, oc);
4205 if (!o->nb_stream_maps) {
4206 /* pick the "best" stream of each type */
4207 #define NEW_STREAM(type, index)\
4209 ost = new_ ## type ## _stream(o, oc);\
4210 ost->source_index = index;\
4211 ost->sync_ist = input_streams[index];\
4212 input_streams[index]->discard = 0;\
4213 input_streams[index]->st->discard = AVDISCARD_NONE;\
4216 /* video: highest resolution */
4217 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4218 int area = 0, idx = -1;
4219 for (i = 0; i < nb_input_streams; i++) {
4220 ist = input_streams[i];
4221 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4222 ist->st->codec->width * ist->st->codec->height > area) {
4223 area = ist->st->codec->width * ist->st->codec->height;
4227 NEW_STREAM(video, idx);
4230 /* audio: most channels */
4231 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4232 int channels = 0, idx = -1;
4233 for (i = 0; i < nb_input_streams; i++) {
4234 ist = input_streams[i];
4235 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4236 ist->st->codec->channels > channels) {
4237 channels = ist->st->codec->channels;
4241 NEW_STREAM(audio, idx);
4244 /* subtitles: pick first */
4245 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
4246 for (i = 0; i < nb_input_streams; i++)
4247 if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4248 NEW_STREAM(subtitle, i);
4252 /* do something with data? */
4254 for (i = 0; i < o->nb_stream_maps; i++) {
4255 StreamMap *map = &o->stream_maps[i];
4260 if (map->linklabel) {
4262 OutputFilter *ofilter = NULL;
4265 for (j = 0; j < nb_filtergraphs; j++) {
4266 fg = filtergraphs[j];
4267 for (k = 0; k < fg->nb_outputs; k++) {
4268 AVFilterInOut *out = fg->outputs[k]->out_tmp;
4269 if (out && !strcmp(out->name, map->linklabel)) {
4270 ofilter = fg->outputs[k];
4277 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
4278 "in any defined filter graph.\n", map->linklabel);
4281 init_output_filter(ofilter, o, oc);
4283 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
4284 switch (ist->st->codec->codec_type) {
4285 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4286 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4287 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4288 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4289 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4291 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4292 map->file_index, map->stream_index);
4296 ost->source_index = input_files[map->file_index]->ist_index + map->stream_index;
4297 ost->sync_ist = input_streams[input_files[map->sync_file_index]->ist_index +
4298 map->sync_stream_index];
4300 ist->st->discard = AVDISCARD_NONE;
4305 /* handle attached files */
4306 for (i = 0; i < o->nb_attachments; i++) {
4308 uint8_t *attachment;
4312 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4313 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4317 if ((len = avio_size(pb)) <= 0) {
4318 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4322 if (!(attachment = av_malloc(len))) {
4323 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4327 avio_read(pb, attachment, len);
4329 ost = new_attachment_stream(o, oc);
4330 ost->stream_copy = 0;
4331 ost->source_index = -1;
4332 ost->attachment_filename = o->attachments[i];
4333 ost->st->codec->extradata = attachment;
4334 ost->st->codec->extradata_size = len;
4336 p = strrchr(o->attachments[i], '/');
4337 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4341 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4342 if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
4345 output_files[nb_output_files - 1]->ctx = oc;
4346 output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams;
4347 output_files[nb_output_files - 1]->recording_time = o->recording_time;
4348 if (o->recording_time != INT64_MAX)
4349 oc->duration = o->recording_time;
4350 output_files[nb_output_files - 1]->start_time = o->start_time;
4351 output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
4352 av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
4354 /* check filename in case of an image number is expected */
4355 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4356 if (!av_filename_number_test(oc->filename)) {
4357 print_error(oc->filename, AVERROR(EINVAL));
4362 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4363 /* test if it already exists to avoid losing precious files */
4364 assert_file_overwrite(filename);
4367 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4368 &oc->interrupt_callback,
4369 &output_files[nb_output_files - 1]->opts)) < 0) {
4370 print_error(filename, err);
4375 if (o->mux_preload) {
4377 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4378 av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
4380 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4381 oc->flags |= AVFMT_FLAG_NONBLOCK;
4384 for (i = 0; i < o->nb_metadata_map; i++) {
4386 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4388 if (in_file_index < 0)
4390 if (in_file_index >= nb_input_files) {
4391 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4394 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index]->ctx, o);
4398 if (o->chapters_input_file >= nb_input_files) {
4399 if (o->chapters_input_file == INT_MAX) {
4400 /* copy chapters from the first input file that has them*/
4401 o->chapters_input_file = -1;
4402 for (i = 0; i < nb_input_files; i++)
4403 if (input_files[i]->ctx->nb_chapters) {
4404 o->chapters_input_file = i;
4408 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4409 o->chapters_input_file);
4413 if (o->chapters_input_file >= 0)
4414 copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
4415 !o->metadata_chapters_manual);
4417 /* copy global metadata by default */
4418 if (!o->metadata_global_manual && nb_input_files)
4419 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
4420 AV_DICT_DONT_OVERWRITE);
4421 if (!o->metadata_streams_manual)
4422 for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
4424 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
4426 ist = input_streams[output_streams[i]->source_index];
4427 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4430 /* process manually set metadata */
4431 for (i = 0; i < o->nb_metadata; i++) {
4434 const char *stream_spec;
4435 int index = 0, j, ret;
4437 val = strchr(o->metadata[i].u.str, '=');
4439 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4440 o->metadata[i].u.str);
4445 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4447 for (j = 0; j < oc->nb_streams; j++) {
4448 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4449 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4453 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4461 if (index < 0 || index >= oc->nb_chapters) {
4462 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4465 m = &oc->chapters[index]->metadata;
4468 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4471 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4478 /* same option as mencoder */
4479 static int opt_pass(const char *opt, const char *arg)
4481 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4485 static int64_t getutime(void)
4488 struct rusage rusage;
4490 getrusage(RUSAGE_SELF, &rusage);
4491 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4492 #elif HAVE_GETPROCESSTIMES
4494 FILETIME c, e, k, u;
4495 proc = GetCurrentProcess();
4496 GetProcessTimes(proc, &c, &e, &k, &u);
4497 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4499 return av_gettime();
4503 static int64_t getmaxrss(void)
4505 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4506 struct rusage rusage;
4507 getrusage(RUSAGE_SELF, &rusage);
4508 return (int64_t)rusage.ru_maxrss * 1024;
4509 #elif HAVE_GETPROCESSMEMORYINFO
4511 PROCESS_MEMORY_COUNTERS memcounters;
4512 proc = GetCurrentProcess();
4513 memcounters.cb = sizeof(memcounters);
4514 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4515 return memcounters.PeakPagefileUsage;
4521 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4523 return parse_option(o, "q:a", arg, options);
4526 static void show_usage(void)
4528 printf("Hyper fast Audio and Video encoder\n");
4529 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4533 static void show_help(void)
4535 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4536 av_log_set_callback(log_callback_help);
4538 show_help_options(options, "Main options:\n",
4539 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4540 show_help_options(options, "\nAdvanced options:\n",
4541 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4543 show_help_options(options, "\nVideo options:\n",
4544 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4546 show_help_options(options, "\nAdvanced Video options:\n",
4547 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4548 OPT_VIDEO | OPT_EXPERT);
4549 show_help_options(options, "\nAudio options:\n",
4550 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4552 show_help_options(options, "\nAdvanced Audio options:\n",
4553 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4554 OPT_AUDIO | OPT_EXPERT);
4555 show_help_options(options, "\nSubtitle options:\n",
4556 OPT_SUBTITLE | OPT_GRAB,
4558 show_help_options(options, "\nAudio/Video grab options:\n",
4562 show_help_children(avcodec_get_class(), flags);
4563 show_help_children(avformat_get_class(), flags);
4564 show_help_children(sws_get_class(), flags);
4567 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4569 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4570 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4572 if (!strncmp(arg, "pal-", 4)) {
4575 } else if (!strncmp(arg, "ntsc-", 5)) {
4578 } else if (!strncmp(arg, "film-", 5)) {
4582 /* Try to determine PAL/NTSC by peeking in the input files */
4583 if (nb_input_files) {
4585 for (j = 0; j < nb_input_files; j++) {
4586 for (i = 0; i < input_files[j]->nb_streams; i++) {
4587 AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
4588 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4590 fr = c->time_base.den * 1000 / c->time_base.num;
4594 } else if ((fr == 29970) || (fr == 23976)) {
4599 if (norm != UNKNOWN)
4603 if (norm != UNKNOWN)
4604 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4607 if (norm == UNKNOWN) {
4608 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4609 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4610 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4614 if (!strcmp(arg, "vcd")) {
4615 opt_video_codec(o, "c:v", "mpeg1video");
4616 opt_audio_codec(o, "c:a", "mp2");
4617 parse_option(o, "f", "vcd", options);
4619 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4620 parse_option(o, "r", frame_rates[norm], options);
4621 opt_default("g", norm == PAL ? "15" : "18");
4623 opt_default("b", "1150000");
4624 opt_default("maxrate", "1150000");
4625 opt_default("minrate", "1150000");
4626 opt_default("bufsize", "327680"); // 40*1024*8;
4628 opt_default("b:a", "224000");
4629 parse_option(o, "ar", "44100", options);
4630 parse_option(o, "ac", "2", options);
4632 opt_default("packetsize", "2324");
4633 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4635 /* We have to offset the PTS, so that it is consistent with the SCR.
4636 SCR starts at 36000, but the first two packs contain only padding
4637 and the first pack from the other stream, respectively, may also have
4638 been written before.
4639 So the real data starts at SCR 36000+3*1200. */
4640 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4641 } else if (!strcmp(arg, "svcd")) {
4643 opt_video_codec(o, "c:v", "mpeg2video");
4644 opt_audio_codec(o, "c:a", "mp2");
4645 parse_option(o, "f", "svcd", options);
4647 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4648 parse_option(o, "r", frame_rates[norm], options);
4649 opt_default("g", norm == PAL ? "15" : "18");
4651 opt_default("b", "2040000");
4652 opt_default("maxrate", "2516000");
4653 opt_default("minrate", "0"); // 1145000;
4654 opt_default("bufsize", "1835008"); // 224*1024*8;
4655 opt_default("flags", "+scan_offset");
4658 opt_default("b:a", "224000");
4659 parse_option(o, "ar", "44100", options);
4661 opt_default("packetsize", "2324");
4663 } else if (!strcmp(arg, "dvd")) {
4665 opt_video_codec(o, "c:v", "mpeg2video");
4666 opt_audio_codec(o, "c:a", "ac3");
4667 parse_option(o, "f", "dvd", options);
4669 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4670 parse_option(o, "r", frame_rates[norm], options);
4671 opt_default("g", norm == PAL ? "15" : "18");
4673 opt_default("b", "6000000");
4674 opt_default("maxrate", "9000000");
4675 opt_default("minrate", "0"); // 1500000;
4676 opt_default("bufsize", "1835008"); // 224*1024*8;
4678 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4679 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4681 opt_default("b:a", "448000");
4682 parse_option(o, "ar", "48000", options);
4684 } else if (!strncmp(arg, "dv", 2)) {
4686 parse_option(o, "f", "dv", options);
4688 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4689 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4690 norm == PAL ? "yuv420p" : "yuv411p", options);
4691 parse_option(o, "r", frame_rates[norm], options);
4693 parse_option(o, "ar", "48000", options);
4694 parse_option(o, "ac", "2", options);
4697 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4698 return AVERROR(EINVAL);
4703 static int opt_vstats_file(const char *opt, const char *arg)
4705 av_free (vstats_filename);
4706 vstats_filename = av_strdup (arg);
4710 static int opt_vstats(const char *opt, const char *arg)
4713 time_t today2 = time(NULL);
4714 struct tm *today = localtime(&today2);
4716 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4718 return opt_vstats_file(opt, filename);
4721 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4723 return parse_option(o, "frames:v", arg, options);
4726 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4728 return parse_option(o, "frames:a", arg, options);
4731 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4733 return parse_option(o, "frames:d", arg, options);
4736 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4738 return parse_option(o, "tag:v", arg, options);
4741 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4743 return parse_option(o, "tag:a", arg, options);
4746 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4748 return parse_option(o, "tag:s", arg, options);
4751 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4753 return parse_option(o, "filter:v", arg, options);
4756 static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
4758 return parse_option(o, "filter:a", arg, options);
4761 static int opt_vsync(const char *opt, const char *arg)
4763 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4764 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4765 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4767 if (video_sync_method == VSYNC_AUTO)
4768 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4772 static int opt_deinterlace(const char *opt, const char *arg)
4774 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4779 static int opt_cpuflags(const char *opt, const char *arg)
4781 int flags = av_parse_cpu_flags(arg);
4786 av_set_cpu_flags_mask(flags);
4790 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
4792 int idx = locate_option(argc, argv, options, "cpuflags");
4793 if (idx && argv[idx + 1])
4794 opt_cpuflags("cpuflags", argv[idx + 1]);
4797 static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg)
4799 char layout_str[32];
4802 int ret, channels, ac_str_size;
4805 layout = av_get_channel_layout(arg);
4807 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
4808 return AVERROR(EINVAL);
4810 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
4811 ret = opt_default(opt, layout_str);
4815 /* set 'ac' option based on channel layout */
4816 channels = av_get_channel_layout_nb_channels(layout);
4817 snprintf(layout_str, sizeof(layout_str), "%d", channels);
4818 stream_str = strchr(opt, ':');
4819 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
4820 ac_str = av_mallocz(ac_str_size);
4822 return AVERROR(ENOMEM);
4823 av_strlcpy(ac_str, "ac", 3);
4825 av_strlcat(ac_str, stream_str, ac_str_size);
4826 ret = parse_option(o, ac_str, layout_str, options);
4832 static int opt_filter_complex(const char *opt, const char *arg)
4834 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
4835 &nb_filtergraphs, nb_filtergraphs + 1);
4836 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
4837 return AVERROR(ENOMEM);
4838 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
4839 filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
4843 #define OFFSET(x) offsetof(OptionsContext, x)
4844 static const OptionDef options[] = {
4846 #include "cmdutils_common_opts.h"
4847 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4848 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4849 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4850 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4851 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4852 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4853 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4854 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4855 "outfile[,metadata]:infile[,metadata]" },
4856 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4857 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4858 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4859 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4860 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4861 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4862 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4863 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4864 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4865 "add timings for benchmarking" },
4866 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4867 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4868 "dump each input packet" },
4869 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4870 "when dumping packets, also dump the payload" },
4871 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4872 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4873 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4874 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4875 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4876 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4877 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4878 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4879 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4880 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4881 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4882 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4883 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4884 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4885 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4886 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4887 { "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" },
4888 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4889 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4890 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4891 { "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" },
4894 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4895 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4896 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4897 { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4898 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4899 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4900 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4901 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4902 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4903 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4904 "use same quantizer as source (implies VBR)" },
4905 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4906 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4907 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
4908 "this option is deprecated, use the yadif filter instead" },
4909 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4910 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4911 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4912 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4913 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4914 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4915 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4916 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4917 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4918 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4919 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4920 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
4923 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4924 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4925 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4926 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4927 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4928 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4929 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4930 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4931 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4932 { "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" },
4933 { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" },
4935 /* subtitle options */
4936 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4937 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4938 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4941 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4944 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4945 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4947 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4949 /* data codec support */
4950 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4952 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4956 int main(int argc, char **argv)
4958 OptionsContext o = { 0 };
4963 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4964 parse_loglevel(argc, argv, options);
4966 avcodec_register_all();
4968 avdevice_register_all();
4970 avfilter_register_all();
4972 avformat_network_init();
4976 parse_cpuflags(argc, argv, options);
4979 parse_options(&o, argc, argv, options, opt_output_file);
4981 if (nb_output_files <= 0 && nb_input_files == 0) {
4983 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4987 /* file converter / grab */
4988 if (nb_output_files <= 0) {
4989 fprintf(stderr, "At least one output file must be specified\n");
4993 if (nb_input_files == 0) {
4994 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4999 if (transcode() < 0)
5001 ti = getutime() - ti;
5003 int maxrss = getmaxrss() / 1024;
5004 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);