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 "libavutil/opt.h"
35 #include "libavcodec/audioconvert.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 "libavformat/os_support.h"
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
62 #if HAVE_GETPROCESSMEMORYINFO
68 #include <sys/select.h>
75 #include "libavutil/avassert.h"
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
82 int disabled; /** 1 is this mapping is disabled by a negative map */
86 int sync_stream_index;
90 * select an input file for an output file
92 typedef struct MetadataMap {
93 int file; ///< file index
94 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; ///< stream/chapter/program number
98 static const OptionDef options[];
100 static int video_discard = 0;
101 static int same_quant = 0;
102 static int do_deinterlace = 0;
103 static int intra_dc_precision = 8;
104 static int qp_hist = 0;
106 static int file_overwrite = 0;
107 static int do_benchmark = 0;
108 static int do_hex_dump = 0;
109 static int do_pkt_dump = 0;
110 static int do_pass = 0;
111 static char *pass_logfilename_prefix = NULL;
112 static int video_sync_method= -1;
113 static int audio_sync_method= 0;
114 static float audio_drift_threshold= 0.1;
115 static int copy_ts= 0;
117 static int opt_shortest = 0;
118 static char *vstats_filename;
119 static FILE *vstats_file;
120 static int copy_initial_nonkeyframes = 0;
122 static int audio_volume = 256;
124 static int exit_on_error = 0;
125 static int using_stdin = 0;
126 static int verbose = 1;
127 static int64_t video_size = 0;
128 static int64_t audio_size = 0;
129 static int64_t extra_size = 0;
130 static int nb_frames_dup = 0;
131 static int nb_frames_drop = 0;
132 static int input_sync;
134 static float dts_delta_threshold = 10;
136 static uint8_t *audio_buf;
137 static uint8_t *audio_out;
138 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
140 static short *samples;
142 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
144 typedef struct InputStream {
147 int discard; /* true if stream data should be discarded */
148 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
151 int64_t start; /* time when read started */
152 int64_t next_pts; /* synthetic pts for cases where pkt.pts
154 int64_t pts; /* current pts */
155 PtsCorrectionContext pts_ctx;
157 int is_start; /* is 1 at the start and after a discontinuity */
158 int showed_multi_packet_warning;
162 typedef struct InputFile {
163 AVFormatContext *ctx;
164 int eof_reached; /* true if eof reached */
165 int ist_index; /* index of first stream in ist_table */
166 int buffer_size; /* current total buffer size */
168 int nb_streams; /* number of stream that avconv is aware of; may be different
169 from ctx.nb_streams if new streams appear during av_read_frame() */
173 typedef struct OutputStream {
174 int file_index; /* file index */
175 int index; /* stream index in the output file */
176 int source_index; /* InputStream index */
177 AVStream *st; /* stream in the output file */
178 int encoding_needed; /* true if encoding needed for this stream */
180 /* input pts and corresponding output pts
182 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
183 struct InputStream *sync_ist; /* input stream to sync against */
184 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
185 AVBitStreamFilterContext *bitstream_filters;
191 AVFrame pict_tmp; /* temporary image for resampling */
192 struct SwsContext *img_resample_ctx; /* for image resampling */
195 int resample_pix_fmt;
196 AVRational frame_rate;
200 float frame_aspect_ratio;
202 /* forced key frames */
203 int64_t *forced_kf_pts;
209 ReSampleContext *resample; /* for audio resampling */
210 int resample_sample_fmt;
211 int resample_channels;
212 int resample_sample_rate;
214 AVAudioConvert *reformat_ctx;
215 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
219 AVFilterContext *output_video_filter;
220 AVFilterContext *input_video_filter;
221 AVFilterBufferRef *picref;
223 AVFilterGraph *graph;
228 int is_past_recording_time;
232 typedef struct OutputFile {
233 AVFormatContext *ctx;
235 int ost_index; /* index of the first stream in output_streams */
236 int64_t recording_time; /* desired length of the resulting file in microseconds */
237 int64_t start_time; /* start time in microseconds */
238 uint64_t limit_filesize;
241 static InputStream *input_streams = NULL;
242 static int nb_input_streams = 0;
243 static InputFile *input_files = NULL;
244 static int nb_input_files = 0;
246 static OutputStream *output_streams = NULL;
247 static int nb_output_streams = 0;
248 static OutputFile *output_files = NULL;
249 static int nb_output_files = 0;
251 typedef struct OptionsContext {
252 /* input/output options */
256 SpecifierOpt *codec_names;
258 SpecifierOpt *audio_channels;
259 int nb_audio_channels;
260 SpecifierOpt *audio_sample_rate;
261 int nb_audio_sample_rate;
262 SpecifierOpt *frame_rates;
264 SpecifierOpt *frame_sizes;
266 SpecifierOpt *frame_pix_fmts;
267 int nb_frame_pix_fmts;
270 int64_t input_ts_offset;
273 SpecifierOpt *ts_scale;
277 StreamMap *stream_maps;
279 /* first item specifies output metadata, second is input */
280 MetadataMap (*meta_data_maps)[2];
281 int nb_meta_data_maps;
282 int metadata_global_manual;
283 int metadata_streams_manual;
284 int metadata_chapters_manual;
286 int chapters_input_file;
288 int64_t recording_time;
289 uint64_t limit_filesize;
295 int subtitle_disable;
298 /* indexed by output file stream index */
302 SpecifierOpt *metadata;
304 SpecifierOpt *max_frames;
306 SpecifierOpt *bitstream_filters;
307 int nb_bitstream_filters;
308 SpecifierOpt *codec_tags;
310 SpecifierOpt *sample_fmts;
312 SpecifierOpt *qscale;
314 SpecifierOpt *forced_key_frames;
315 int nb_forced_key_frames;
316 SpecifierOpt *force_fps;
318 SpecifierOpt *frame_aspect_ratios;
319 int nb_frame_aspect_ratios;
320 SpecifierOpt *rc_overrides;
322 SpecifierOpt *intra_matrices;
323 int nb_intra_matrices;
324 SpecifierOpt *inter_matrices;
325 int nb_inter_matrices;
326 SpecifierOpt *top_field_first;
327 int nb_top_field_first;
329 SpecifierOpt *filters;
334 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
337 for (i = 0; i < o->nb_ ## name; i++) {\
338 char *spec = o->name[i].specifier;\
339 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
340 outvar = o->name[i].u.type;\
346 static void reset_options(OptionsContext *o)
348 const OptionDef *po = options;
350 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
352 void *dst = (uint8_t*)o + po->u.off;
354 if (po->flags & OPT_SPEC) {
355 SpecifierOpt **so = dst;
356 int i, *count = (int*)(so + 1);
357 for (i = 0; i < *count; i++) {
358 av_freep(&(*so)[i].specifier);
359 if (po->flags & OPT_STRING)
360 av_freep(&(*so)[i].u.str);
364 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
369 av_freep(&o->stream_maps);
370 av_freep(&o->meta_data_maps);
371 av_freep(&o->streamid_map);
373 memset(o, 0, sizeof(*o));
375 o->mux_preload = 0.5;
376 o->mux_max_delay = 0.7;
377 o->recording_time = INT64_MAX;
378 o->limit_filesize = UINT64_MAX;
379 o->chapters_input_file = INT_MAX;
387 static int configure_video_filters(InputStream *ist, OutputStream *ost)
389 AVFilterContext *last_filter, *filter;
390 /** filter graph containing all filters including input & output */
391 AVCodecContext *codec = ost->st->codec;
392 AVCodecContext *icodec = ist->st->codec;
393 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
394 AVRational sample_aspect_ratio;
398 ost->graph = avfilter_graph_alloc();
400 if (ist->st->sample_aspect_ratio.num){
401 sample_aspect_ratio = ist->st->sample_aspect_ratio;
403 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
405 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
406 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
407 sample_aspect_ratio.num, sample_aspect_ratio.den);
409 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
410 "src", args, NULL, ost->graph);
413 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
414 "out", NULL, &ffsink_ctx, ost->graph);
417 last_filter = ost->input_video_filter;
419 if (codec->width != icodec->width || codec->height != icodec->height) {
420 snprintf(args, 255, "%d:%d:flags=0x%X",
424 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
425 NULL, args, NULL, ost->graph)) < 0)
427 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
429 last_filter = filter;
432 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
433 ost->graph->scale_sws_opts = av_strdup(args);
436 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
437 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
439 outputs->name = av_strdup("in");
440 outputs->filter_ctx = last_filter;
441 outputs->pad_idx = 0;
442 outputs->next = NULL;
444 inputs->name = av_strdup("out");
445 inputs->filter_ctx = ost->output_video_filter;
449 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
451 av_freep(&ost->avfilter);
453 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
457 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
460 codec->width = ost->output_video_filter->inputs[0]->w;
461 codec->height = ost->output_video_filter->inputs[0]->h;
462 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
463 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
464 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
465 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
469 #endif /* CONFIG_AVFILTER */
471 static void term_exit(void)
473 av_log(NULL, AV_LOG_QUIET, "");
476 static volatile int received_sigterm = 0;
477 static volatile int received_nb_signals = 0;
480 sigterm_handler(int sig)
482 received_sigterm = sig;
483 received_nb_signals++;
487 static void term_init(void)
489 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
490 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
492 signal(SIGXCPU, sigterm_handler);
496 static int decode_interrupt_cb(void)
498 return received_nb_signals > 1;
501 void exit_program(int ret)
506 for(i=0;i<nb_output_files;i++) {
507 AVFormatContext *s = output_files[i].ctx;
508 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
510 avformat_free_context(s);
511 av_dict_free(&output_files[i].opts);
513 for(i=0;i<nb_input_files;i++) {
514 av_close_input_file(input_files[i].ctx);
516 for (i = 0; i < nb_input_streams; i++)
517 av_dict_free(&input_streams[i].opts);
521 av_free(vstats_filename);
523 av_freep(&input_streams);
524 av_freep(&input_files);
525 av_freep(&output_streams);
526 av_freep(&output_files);
531 allocated_audio_buf_size= allocated_audio_out_size= 0;
538 if (received_sigterm) {
540 "Received signal %d: terminating.\n",
541 (int) received_sigterm);
545 exit(ret); /* not all OS-es handle main() return value */
548 static void assert_avoptions(AVDictionary *m)
550 AVDictionaryEntry *t;
551 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
552 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
557 static void assert_codec_experimental(AVCodecContext *c, int encoder)
559 const char *codec_string = encoder ? "encoder" : "decoder";
561 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
562 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
563 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
564 "results.\nAdd '-strict experimental' if you want to use it.\n",
565 codec_string, c->codec->name);
566 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
567 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
568 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
569 codec_string, codec->name);
574 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
576 if(codec && codec->sample_fmts){
577 const enum AVSampleFormat *p= codec->sample_fmts;
579 if(*p == st->codec->sample_fmt)
583 av_log(NULL, AV_LOG_WARNING,
584 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
585 av_get_sample_fmt_name(st->codec->sample_fmt),
587 av_get_sample_fmt_name(codec->sample_fmts[0]));
588 st->codec->sample_fmt = codec->sample_fmts[0];
594 * Update the requested input sample format based on the output sample format.
595 * This is currently only used to request float output from decoders which
596 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
597 * Ideally this will be removed in the future when decoders do not do format
598 * conversion and only output in their native format.
600 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
603 /* if sample formats match or a decoder sample format has already been
604 requested, just return */
605 if (enc->sample_fmt == dec->sample_fmt ||
606 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
609 /* if decoder supports more than one output format */
610 if (dec_codec && dec_codec->sample_fmts &&
611 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
612 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
613 const enum AVSampleFormat *p;
614 int min_dec = -1, min_inc = -1;
616 /* find a matching sample format in the encoder */
617 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
618 if (*p == enc->sample_fmt) {
619 dec->request_sample_fmt = *p;
621 } else if (*p > enc->sample_fmt) {
622 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
624 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
627 /* if none match, provide the one that matches quality closest */
628 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
629 enc->sample_fmt - min_dec;
633 static void choose_sample_rate(AVStream *st, AVCodec *codec)
635 if(codec && codec->supported_samplerates){
636 const int *p= codec->supported_samplerates;
638 int best_dist=INT_MAX;
640 int dist= abs(st->codec->sample_rate - *p);
641 if(dist < best_dist){
647 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
649 st->codec->sample_rate= best;
653 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
655 if(codec && codec->pix_fmts){
656 const enum PixelFormat *p= codec->pix_fmts;
657 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
658 if(st->codec->codec_id==CODEC_ID_MJPEG){
659 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
660 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
661 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
665 if(*p == st->codec->pix_fmt)
669 if(st->codec->pix_fmt != PIX_FMT_NONE)
670 av_log(NULL, AV_LOG_WARNING,
671 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
672 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
674 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
675 st->codec->pix_fmt = codec->pix_fmts[0];
681 get_sync_ipts(const OutputStream *ost)
683 const InputStream *ist = ost->sync_ist;
684 OutputFile *of = &output_files[ost->file_index];
685 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
688 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
692 AVPacket new_pkt= *pkt;
693 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
694 &new_pkt.data, &new_pkt.size,
695 pkt->data, pkt->size,
696 pkt->flags & AV_PKT_FLAG_KEY);
699 new_pkt.destruct= av_destruct_packet;
701 fprintf(stderr, "%s failed for stream %d, codec %s",
702 bsfc->filter->name, pkt->stream_index,
703 avctx->codec ? avctx->codec->name : "copy");
713 ret= av_interleaved_write_frame(s, pkt);
715 print_error("av_interleaved_write_frame()", ret);
720 static void do_audio_out(AVFormatContext *s,
723 unsigned char *buf, int size)
726 int64_t audio_out_size, audio_buf_size;
727 int64_t allocated_for_size= size;
729 int size_out, frame_bytes, ret, resample_changed;
730 AVCodecContext *enc= ost->st->codec;
731 AVCodecContext *dec= ist->st->codec;
732 int osize = av_get_bytes_per_sample(enc->sample_fmt);
733 int isize = av_get_bytes_per_sample(dec->sample_fmt);
734 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
737 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
738 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
739 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
740 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
741 audio_buf_size*= osize*enc->channels;
743 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
744 if(coded_bps > 8*osize)
745 audio_out_size= audio_out_size * coded_bps / (8*osize);
746 audio_out_size += FF_MIN_BUFFER_SIZE;
748 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
749 fprintf(stderr, "Buffer sizes too large\n");
753 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
754 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
755 if (!audio_buf || !audio_out){
756 fprintf(stderr, "Out of memory in do_audio_out\n");
760 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
761 ost->audio_resample = 1;
763 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
764 ost->resample_channels != dec->channels ||
765 ost->resample_sample_rate != dec->sample_rate;
767 if ((ost->audio_resample && !ost->resample) || resample_changed) {
768 if (resample_changed) {
769 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
770 ist->file_index, ist->st->index,
771 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
772 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
773 ost->resample_sample_fmt = dec->sample_fmt;
774 ost->resample_channels = dec->channels;
775 ost->resample_sample_rate = dec->sample_rate;
777 audio_resample_close(ost->resample);
779 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
780 if (audio_sync_method <= 1 &&
781 ost->resample_sample_fmt == enc->sample_fmt &&
782 ost->resample_channels == enc->channels &&
783 ost->resample_sample_rate == enc->sample_rate) {
784 ost->resample = NULL;
785 ost->audio_resample = 0;
786 } else if (ost->audio_resample) {
787 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
788 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
789 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
790 enc->sample_rate, dec->sample_rate,
791 enc->sample_fmt, dec->sample_fmt,
793 if (!ost->resample) {
794 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
795 dec->channels, dec->sample_rate,
796 enc->channels, enc->sample_rate);
802 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
803 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
804 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
805 if (ost->reformat_ctx)
806 av_audio_convert_free(ost->reformat_ctx);
807 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
808 dec->sample_fmt, 1, NULL, 0);
809 if (!ost->reformat_ctx) {
810 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
811 av_get_sample_fmt_name(dec->sample_fmt),
812 av_get_sample_fmt_name(enc->sample_fmt));
815 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
818 if(audio_sync_method){
819 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
820 - av_fifo_size(ost->fifo)/(enc->channels * 2);
821 double idelta= delta*dec->sample_rate / enc->sample_rate;
822 int byte_delta= ((int)idelta)*2*dec->channels;
824 //FIXME resample delay
825 if(fabs(delta) > 50){
826 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
828 byte_delta= FFMAX(byte_delta, -size);
832 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
837 static uint8_t *input_tmp= NULL;
838 input_tmp= av_realloc(input_tmp, byte_delta + size);
840 if(byte_delta > allocated_for_size - size){
841 allocated_for_size= byte_delta + (int64_t)size;
846 memset(input_tmp, 0, byte_delta);
847 memcpy(input_tmp + byte_delta, buf, size);
851 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
853 }else if(audio_sync_method>1){
854 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
855 av_assert0(ost->audio_resample);
857 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
858 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
859 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
863 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
864 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
866 if (ost->audio_resample) {
868 size_out = audio_resample(ost->resample,
869 (short *)buftmp, (short *)buf,
870 size / (dec->channels * isize));
871 size_out = size_out * enc->channels * osize;
877 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
878 const void *ibuf[6]= {buftmp};
879 void *obuf[6]= {audio_buf};
880 int istride[6]= {isize};
881 int ostride[6]= {osize};
882 int len= size_out/istride[0];
883 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
884 printf("av_audio_convert() failed\n");
890 size_out = len*osize;
893 /* now encode as many frames as possible */
894 if (enc->frame_size > 1) {
895 /* output resampled raw samples */
896 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
897 fprintf(stderr, "av_fifo_realloc2() failed\n");
900 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
902 frame_bytes = enc->frame_size * osize * enc->channels;
904 while (av_fifo_size(ost->fifo) >= frame_bytes) {
906 av_init_packet(&pkt);
908 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
910 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
912 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
915 fprintf(stderr, "Audio encoding failed\n");
919 pkt.stream_index= ost->index;
922 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
923 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
924 pkt.flags |= AV_PKT_FLAG_KEY;
925 write_frame(s, &pkt, enc, ost->bitstream_filters);
927 ost->sync_opts += enc->frame_size;
931 av_init_packet(&pkt);
933 ost->sync_opts += size_out / (osize * enc->channels);
935 /* output a pcm frame */
936 /* determine the size of the coded buffer */
939 size_out = size_out*coded_bps/8;
941 if(size_out > audio_out_size){
942 fprintf(stderr, "Internal error, buffer size too small\n");
946 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
947 ret = avcodec_encode_audio(enc, audio_out, size_out,
950 fprintf(stderr, "Audio encoding failed\n");
954 pkt.stream_index= ost->index;
957 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
958 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
959 pkt.flags |= AV_PKT_FLAG_KEY;
960 write_frame(s, &pkt, enc, ost->bitstream_filters);
964 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
968 AVPicture picture_tmp;
971 dec = ist->st->codec;
973 /* deinterlace : must be done before any resize */
974 if (do_deinterlace) {
977 /* create temporary picture */
978 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
979 buf = av_malloc(size);
983 picture2 = &picture_tmp;
984 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
986 if(avpicture_deinterlace(picture2, picture,
987 dec->pix_fmt, dec->width, dec->height) < 0) {
988 /* if error, do not deinterlace */
989 fprintf(stderr, "Deinterlacing failed\n");
998 if (picture != picture2)
999 *picture = *picture2;
1003 static void do_subtitle_out(AVFormatContext *s,
1009 static uint8_t *subtitle_out = NULL;
1010 int subtitle_out_max_size = 1024 * 1024;
1011 int subtitle_out_size, nb, i;
1012 AVCodecContext *enc;
1015 if (pts == AV_NOPTS_VALUE) {
1016 fprintf(stderr, "Subtitle packets must have a pts\n");
1022 enc = ost->st->codec;
1024 if (!subtitle_out) {
1025 subtitle_out = av_malloc(subtitle_out_max_size);
1028 /* Note: DVB subtitle need one packet to draw them and one other
1029 packet to clear them */
1030 /* XXX: signal it in the codec context ? */
1031 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1036 for(i = 0; i < nb; i++) {
1037 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1038 // start_display_time is required to be 0
1039 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1040 sub->end_display_time -= sub->start_display_time;
1041 sub->start_display_time = 0;
1042 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1043 subtitle_out_max_size, sub);
1044 if (subtitle_out_size < 0) {
1045 fprintf(stderr, "Subtitle encoding failed\n");
1049 av_init_packet(&pkt);
1050 pkt.stream_index = ost->index;
1051 pkt.data = subtitle_out;
1052 pkt.size = subtitle_out_size;
1053 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1054 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1055 /* XXX: the pts correction is handled here. Maybe handling
1056 it in the codec would be better */
1058 pkt.pts += 90 * sub->start_display_time;
1060 pkt.pts += 90 * sub->end_display_time;
1062 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1066 static int bit_buffer_size= 1024*256;
1067 static uint8_t *bit_buffer= NULL;
1069 static void do_video_resample(OutputStream *ost,
1071 AVFrame *in_picture,
1072 AVFrame **out_picture)
1074 int resample_changed = 0;
1075 AVCodecContext *dec = ist->st->codec;
1076 *out_picture = in_picture;
1078 resample_changed = ost->resample_width != dec->width ||
1079 ost->resample_height != dec->height ||
1080 ost->resample_pix_fmt != dec->pix_fmt;
1082 if (resample_changed) {
1083 av_log(NULL, AV_LOG_INFO,
1084 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1085 ist->file_index, ist->st->index,
1086 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1087 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1088 if(!ost->video_resample)
1089 ost->video_resample = 1;
1092 #if !CONFIG_AVFILTER
1093 if (ost->video_resample) {
1094 *out_picture = &ost->pict_tmp;
1095 if (resample_changed) {
1096 /* initialize a new scaler context */
1097 sws_freeContext(ost->img_resample_ctx);
1098 ost->img_resample_ctx = sws_getContext(
1099 ist->st->codec->width,
1100 ist->st->codec->height,
1101 ist->st->codec->pix_fmt,
1102 ost->st->codec->width,
1103 ost->st->codec->height,
1104 ost->st->codec->pix_fmt,
1105 ost->sws_flags, NULL, NULL, NULL);
1106 if (ost->img_resample_ctx == NULL) {
1107 fprintf(stderr, "Cannot get resampling context\n");
1111 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1112 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1115 if (resample_changed) {
1116 avfilter_graph_free(&ost->graph);
1117 if (configure_video_filters(ist, ost)) {
1118 fprintf(stderr, "Error reinitializing filters!\n");
1123 if (resample_changed) {
1124 ost->resample_width = dec->width;
1125 ost->resample_height = dec->height;
1126 ost->resample_pix_fmt = dec->pix_fmt;
1131 static void do_video_out(AVFormatContext *s,
1134 AVFrame *in_picture,
1135 int *frame_size, float quality)
1137 int nb_frames, i, ret, format_video_sync;
1138 AVFrame *final_picture;
1139 AVCodecContext *enc;
1142 enc = ost->st->codec;
1144 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1146 /* by default, we output a single frame */
1151 format_video_sync = video_sync_method;
1152 if (format_video_sync < 0)
1153 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1155 if (format_video_sync) {
1156 double vdelta = sync_ipts - ost->sync_opts;
1157 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1160 else if (format_video_sync == 2) {
1163 }else if(vdelta>0.6)
1164 ost->sync_opts= lrintf(sync_ipts);
1165 }else if (vdelta > 1.1)
1166 nb_frames = lrintf(vdelta);
1167 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1168 if (nb_frames == 0){
1171 fprintf(stderr, "*** drop!\n");
1172 }else if (nb_frames > 1) {
1173 nb_frames_dup += nb_frames - 1;
1175 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1178 ost->sync_opts= lrintf(sync_ipts);
1180 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1184 do_video_resample(ost, ist, in_picture, &final_picture);
1186 /* duplicates frame if needed */
1187 for(i=0;i<nb_frames;i++) {
1189 av_init_packet(&pkt);
1190 pkt.stream_index= ost->index;
1192 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1193 /* raw pictures are written as AVPicture structure to
1194 avoid any copies. We support temporarily the older
1196 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1197 enc->coded_frame->top_field_first = in_picture->top_field_first;
1198 pkt.data= (uint8_t *)final_picture;
1199 pkt.size= sizeof(AVPicture);
1200 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1201 pkt.flags |= AV_PKT_FLAG_KEY;
1203 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1205 AVFrame big_picture;
1207 big_picture= *final_picture;
1208 /* better than nothing: use input picture interlaced
1210 big_picture.interlaced_frame = in_picture->interlaced_frame;
1211 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1212 if (ost->top_field_first == -1)
1213 big_picture.top_field_first = in_picture->top_field_first;
1215 big_picture.top_field_first = !!ost->top_field_first;
1218 /* handles same_quant here. This is not correct because it may
1219 not be a global option */
1220 big_picture.quality = quality;
1221 if (!enc->me_threshold)
1222 big_picture.pict_type = 0;
1223 // big_picture.pts = AV_NOPTS_VALUE;
1224 big_picture.pts= ost->sync_opts;
1225 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1226 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1227 if (ost->forced_kf_index < ost->forced_kf_count &&
1228 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1229 big_picture.pict_type = AV_PICTURE_TYPE_I;
1230 ost->forced_kf_index++;
1232 ret = avcodec_encode_video(enc,
1233 bit_buffer, bit_buffer_size,
1236 fprintf(stderr, "Video encoding failed\n");
1241 pkt.data= bit_buffer;
1243 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1244 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1245 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1246 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1247 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1249 if(enc->coded_frame->key_frame)
1250 pkt.flags |= AV_PKT_FLAG_KEY;
1251 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1254 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1255 // enc->frame_number-1, ret, enc->pict_type);
1256 /* if two pass, output log */
1257 if (ost->logfile && enc->stats_out) {
1258 fprintf(ost->logfile, "%s", enc->stats_out);
1263 ost->frame_number++;
1267 static double psnr(double d){
1268 return -10.0*log(d)/log(10.0);
1271 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1274 AVCodecContext *enc;
1276 double ti1, bitrate, avg_bitrate;
1278 /* this is executed just the first time do_video_stats is called */
1280 vstats_file = fopen(vstats_filename, "w");
1287 enc = ost->st->codec;
1288 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1289 frame_number = ost->frame_number;
1290 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1291 if (enc->flags&CODEC_FLAG_PSNR)
1292 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1294 fprintf(vstats_file,"f_size= %6d ", frame_size);
1295 /* compute pts value */
1296 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1300 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1301 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1302 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1303 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1304 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1308 static void print_report(OutputFile *output_files,
1309 OutputStream *ost_table, int nb_ostreams,
1310 int is_last_report, int64_t timer_start)
1314 AVFormatContext *oc;
1316 AVCodecContext *enc;
1317 int frame_number, vid, i;
1318 double bitrate, ti1, pts;
1319 static int64_t last_time = -1;
1320 static int qp_histogram[52];
1322 if (!is_last_report) {
1324 /* display the report every 0.5 seconds */
1325 cur_time = av_gettime();
1326 if (last_time == -1) {
1327 last_time = cur_time;
1330 if ((cur_time - last_time) < 500000)
1332 last_time = cur_time;
1336 oc = output_files[0].ctx;
1338 total_size = avio_size(oc->pb);
1339 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1340 total_size= avio_tell(oc->pb);
1345 for(i=0;i<nb_ostreams;i++) {
1347 ost = &ost_table[i];
1348 enc = ost->st->codec;
1349 if (!ost->st->stream_copy && enc->coded_frame)
1350 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1351 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1352 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1354 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1355 float t = (av_gettime()-timer_start) / 1000000.0;
1357 frame_number = ost->frame_number;
1358 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1359 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1361 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1365 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1368 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1370 if (enc->flags&CODEC_FLAG_PSNR){
1372 double error, error_sum=0;
1373 double scale, scale_sum=0;
1374 char type[3]= {'Y','U','V'};
1375 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1378 error= enc->error[j];
1379 scale= enc->width*enc->height*255.0*255.0*frame_number;
1381 error= enc->coded_frame->error[j];
1382 scale= enc->width*enc->height*255.0*255.0;
1387 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1389 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1393 /* compute min output value */
1394 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1395 if ((pts < ti1) && (pts > 0))
1401 if (verbose > 0 || is_last_report) {
1402 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1404 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1405 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1406 (double)total_size / 1024, ti1, bitrate);
1408 if (nb_frames_dup || nb_frames_drop)
1409 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1410 nb_frames_dup, nb_frames_drop);
1413 fprintf(stderr, "%s \r", buf);
1418 if (is_last_report && verbose >= 0){
1419 int64_t raw= audio_size + video_size + extra_size;
1420 fprintf(stderr, "\n");
1421 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1425 100.0*(total_size - raw)/raw
1430 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1432 int fill_char = 0x00;
1433 if (sample_fmt == AV_SAMPLE_FMT_U8)
1435 memset(buf, fill_char, size);
1438 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1442 for (i = 0; i < nb_ostreams; i++) {
1443 OutputStream *ost = &ost_table[i];
1444 AVCodecContext *enc = ost->st->codec;
1445 AVFormatContext *os = output_files[ost->file_index].ctx;
1447 if (!ost->encoding_needed)
1450 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1452 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1458 av_init_packet(&pkt);
1459 pkt.stream_index= ost->index;
1461 switch (ost->st->codec->codec_type) {
1462 case AVMEDIA_TYPE_AUDIO:
1463 fifo_bytes = av_fifo_size(ost->fifo);
1465 /* encode any samples remaining in fifo */
1466 if (fifo_bytes > 0) {
1467 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1468 int fs_tmp = enc->frame_size;
1470 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1471 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1472 enc->frame_size = fifo_bytes / (osize * enc->channels);
1474 int frame_bytes = enc->frame_size*osize*enc->channels;
1475 if (allocated_audio_buf_size < frame_bytes)
1477 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1480 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1481 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1482 ost->st->time_base.num, enc->sample_rate);
1483 enc->frame_size = fs_tmp;
1486 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1489 fprintf(stderr, "Audio encoding failed\n");
1493 pkt.flags |= AV_PKT_FLAG_KEY;
1495 case AVMEDIA_TYPE_VIDEO:
1496 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1498 fprintf(stderr, "Video encoding failed\n");
1502 if(enc->coded_frame && enc->coded_frame->key_frame)
1503 pkt.flags |= AV_PKT_FLAG_KEY;
1504 if (ost->logfile && enc->stats_out) {
1505 fprintf(ost->logfile, "%s", enc->stats_out);
1514 pkt.data = bit_buffer;
1516 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1517 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1518 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1523 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1524 static int output_packet(InputStream *ist, int ist_index,
1525 OutputStream *ost_table, int nb_ostreams,
1526 const AVPacket *pkt)
1528 AVFormatContext *os;
1533 void *buffer_to_free = NULL;
1534 static unsigned int samples_size= 0;
1535 AVSubtitle subtitle, *subtitle_to_free;
1536 int64_t pkt_pts = AV_NOPTS_VALUE;
1538 int frame_available;
1543 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1545 if(ist->next_pts == AV_NOPTS_VALUE)
1546 ist->next_pts= ist->pts;
1550 av_init_packet(&avpkt);
1558 if(pkt->dts != AV_NOPTS_VALUE)
1559 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1560 if(pkt->pts != AV_NOPTS_VALUE)
1561 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1563 //while we have more to decode or while the decoder did output something on EOF
1564 while (avpkt.size > 0 || (!pkt && got_output)) {
1565 uint8_t *data_buf, *decoded_data_buf;
1566 int data_size, decoded_data_size;
1568 ist->pts= ist->next_pts;
1570 if(avpkt.size && avpkt.size != pkt->size &&
1571 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1572 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1573 ist->showed_multi_packet_warning=1;
1576 /* decode the packet if needed */
1577 decoded_data_buf = NULL; /* fail safe */
1578 decoded_data_size= 0;
1579 data_buf = avpkt.data;
1580 data_size = avpkt.size;
1581 subtitle_to_free = NULL;
1582 if (ist->decoding_needed) {
1583 switch(ist->st->codec->codec_type) {
1584 case AVMEDIA_TYPE_AUDIO:{
1585 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1586 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1588 samples= av_malloc(samples_size);
1590 decoded_data_size= samples_size;
1591 /* XXX: could avoid copy if PCM 16 bits with same
1592 endianness as CPU */
1593 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1600 got_output = decoded_data_size > 0;
1601 /* Some bug in mpeg audio decoder gives */
1602 /* decoded_data_size < 0, it seems they are overflows */
1604 /* no audio frame */
1607 decoded_data_buf = (uint8_t *)samples;
1608 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1609 (ist->st->codec->sample_rate * ist->st->codec->channels);
1611 case AVMEDIA_TYPE_VIDEO:
1612 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1613 /* XXX: allocate picture correctly */
1614 avcodec_get_frame_defaults(&picture);
1615 avpkt.pts = pkt_pts;
1616 avpkt.dts = ist->pts;
1617 pkt_pts = AV_NOPTS_VALUE;
1619 ret = avcodec_decode_video2(ist->st->codec,
1620 &picture, &got_output, &avpkt);
1621 quality = same_quant ? picture.quality : 0;
1625 /* no picture yet */
1626 goto discard_packet;
1628 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1629 if (ist->st->codec->time_base.num != 0) {
1630 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1631 ist->next_pts += ((int64_t)AV_TIME_BASE *
1632 ist->st->codec->time_base.num * ticks) /
1633 ist->st->codec->time_base.den;
1636 buffer_to_free = NULL;
1637 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1639 case AVMEDIA_TYPE_SUBTITLE:
1640 ret = avcodec_decode_subtitle2(ist->st->codec,
1641 &subtitle, &got_output, &avpkt);
1645 goto discard_packet;
1647 subtitle_to_free = &subtitle;
1654 switch(ist->st->codec->codec_type) {
1655 case AVMEDIA_TYPE_AUDIO:
1656 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1657 ist->st->codec->sample_rate;
1659 case AVMEDIA_TYPE_VIDEO:
1660 if (ist->st->codec->time_base.num != 0) {
1661 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1662 ist->next_pts += ((int64_t)AV_TIME_BASE *
1663 ist->st->codec->time_base.num * ticks) /
1664 ist->st->codec->time_base.den;
1671 // preprocess audio (volume)
1672 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1673 if (audio_volume != 256) {
1676 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1677 int v = ((*volp) * audio_volume + 128) >> 8;
1678 *volp++ = av_clip_int16(v);
1683 /* frame rate emulation */
1684 if (input_files[ist->file_index].rate_emu) {
1685 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1686 int64_t now = av_gettime() - ist->start;
1690 /* if output time reached then transcode raw format,
1691 encode packets and output them */
1692 for (i = 0; i < nb_ostreams; i++) {
1693 OutputFile *of = &output_files[ost_table[i].file_index];
1696 ost = &ost_table[i];
1697 if (ost->source_index != ist_index)
1700 if (of->start_time && ist->pts < of->start_time)
1703 if (of->recording_time != INT64_MAX &&
1704 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1705 (AVRational){1, 1000000}) >= 0) {
1706 ost->is_past_recording_time = 1;
1711 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1712 ost->input_video_filter) {
1714 if (ist->st->sample_aspect_ratio.num)
1715 sar = ist->st->sample_aspect_ratio;
1717 sar = ist->st->codec->sample_aspect_ratio;
1718 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1720 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1721 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1722 while (frame_available) {
1723 AVRational ist_pts_tb;
1724 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1725 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1727 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1729 os = output_files[ost->file_index].ctx;
1731 /* set the input output pts pairs */
1732 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1734 if (ost->encoding_needed) {
1735 av_assert0(ist->decoding_needed);
1736 switch(ost->st->codec->codec_type) {
1737 case AVMEDIA_TYPE_AUDIO:
1738 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1740 case AVMEDIA_TYPE_VIDEO:
1742 if (ost->picref->video && !ost->frame_aspect_ratio)
1743 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1745 do_video_out(os, ost, ist, &picture, &frame_size,
1746 same_quant ? quality : ost->st->codec->global_quality);
1747 if (vstats_filename && frame_size)
1748 do_video_stats(os, ost, frame_size);
1750 case AVMEDIA_TYPE_SUBTITLE:
1751 do_subtitle_out(os, ost, ist, &subtitle,
1758 AVFrame avframe; //FIXME/XXX remove this
1760 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1762 av_init_packet(&opkt);
1764 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1765 #if !CONFIG_AVFILTER
1771 /* no reencoding needed : output the packet directly */
1772 /* force the input stream PTS */
1774 avcodec_get_frame_defaults(&avframe);
1775 ost->st->codec->coded_frame= &avframe;
1776 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1778 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1779 audio_size += data_size;
1780 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1781 video_size += data_size;
1785 opkt.stream_index= ost->index;
1786 if(pkt->pts != AV_NOPTS_VALUE)
1787 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1789 opkt.pts= AV_NOPTS_VALUE;
1791 if (pkt->dts == AV_NOPTS_VALUE)
1792 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1794 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1795 opkt.dts -= ost_tb_start_time;
1797 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1798 opkt.flags= pkt->flags;
1800 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1801 if( ost->st->codec->codec_id != CODEC_ID_H264
1802 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1803 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1805 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1806 opkt.destruct= av_destruct_packet;
1808 opkt.data = data_buf;
1809 opkt.size = data_size;
1812 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1813 ost->st->codec->frame_number++;
1814 ost->frame_number++;
1815 av_free_packet(&opkt);
1819 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1820 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1822 avfilter_unref_buffer(ost->picref);
1827 av_free(buffer_to_free);
1828 /* XXX: allocate the subtitles in the codec ? */
1829 if (subtitle_to_free) {
1830 avsubtitle_free(subtitle_to_free);
1831 subtitle_to_free = NULL;
1839 static void print_sdp(OutputFile *output_files, int n)
1843 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1847 for (i = 0; i < n; i++)
1848 avc[i] = output_files[i].ctx;
1850 av_sdp_create(avc, n, sdp, sizeof(sdp));
1851 printf("SDP:\n%s\n", sdp);
1856 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1857 char *error, int error_len)
1860 InputStream *ist = &input_streams[ist_index];
1861 if (ist->decoding_needed) {
1862 AVCodec *codec = ist->dec;
1864 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1865 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1866 return AVERROR(EINVAL);
1869 /* update requested sample format for the decoder based on the
1870 corresponding encoder sample format */
1871 for (i = 0; i < nb_output_streams; i++) {
1872 OutputStream *ost = &output_streams[i];
1873 if (ost->source_index == ist_index) {
1874 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1879 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1880 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1881 ist->file_index, ist->st->index);
1882 return AVERROR(EINVAL);
1884 assert_codec_experimental(ist->st->codec, 0);
1885 assert_avoptions(ist->opts);
1888 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1889 ist->next_pts = AV_NOPTS_VALUE;
1890 init_pts_correction(&ist->pts_ctx);
1896 static int transcode_init(OutputFile *output_files,
1897 int nb_output_files,
1898 InputFile *input_files,
1901 int ret = 0, i, j, k;
1902 AVFormatContext *os;
1903 AVCodecContext *codec, *icodec;
1909 /* init framerate emulation */
1910 for (i = 0; i < nb_input_files; i++) {
1911 InputFile *ifile = &input_files[i];
1912 if (ifile->rate_emu)
1913 for (j = 0; j < ifile->nb_streams; j++)
1914 input_streams[j + ifile->ist_index].start = av_gettime();
1917 /* output stream init */
1918 for(i=0;i<nb_output_files;i++) {
1919 os = output_files[i].ctx;
1920 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1921 av_dump_format(os, i, os->filename, 1);
1922 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1923 return AVERROR(EINVAL);
1927 /* for each output stream, we compute the right encoding parameters */
1928 for (i = 0; i < nb_output_streams; i++) {
1929 ost = &output_streams[i];
1930 os = output_files[ost->file_index].ctx;
1931 ist = &input_streams[ost->source_index];
1933 codec = ost->st->codec;
1934 icodec = ist->st->codec;
1936 ost->st->disposition = ist->st->disposition;
1937 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1938 codec->chroma_sample_location = icodec->chroma_sample_location;
1940 if (ost->st->stream_copy) {
1941 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1943 if (extra_size > INT_MAX) {
1944 return AVERROR(EINVAL);
1947 /* if stream_copy is selected, no need to decode or encode */
1948 codec->codec_id = icodec->codec_id;
1949 codec->codec_type = icodec->codec_type;
1951 if(!codec->codec_tag){
1952 if( !os->oformat->codec_tag
1953 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1954 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1955 codec->codec_tag = icodec->codec_tag;
1958 codec->bit_rate = icodec->bit_rate;
1959 codec->rc_max_rate = icodec->rc_max_rate;
1960 codec->rc_buffer_size = icodec->rc_buffer_size;
1961 codec->extradata= av_mallocz(extra_size);
1962 if (!codec->extradata) {
1963 return AVERROR(ENOMEM);
1965 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1966 codec->extradata_size= icodec->extradata_size;
1967 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1968 codec->time_base = icodec->time_base;
1969 codec->time_base.num *= icodec->ticks_per_frame;
1970 av_reduce(&codec->time_base.num, &codec->time_base.den,
1971 codec->time_base.num, codec->time_base.den, INT_MAX);
1973 codec->time_base = ist->st->time_base;
1974 switch(codec->codec_type) {
1975 case AVMEDIA_TYPE_AUDIO:
1976 if(audio_volume != 256) {
1977 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1980 codec->channel_layout = icodec->channel_layout;
1981 codec->sample_rate = icodec->sample_rate;
1982 codec->channels = icodec->channels;
1983 codec->frame_size = icodec->frame_size;
1984 codec->audio_service_type = icodec->audio_service_type;
1985 codec->block_align= icodec->block_align;
1986 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1987 codec->block_align= 0;
1988 if(codec->codec_id == CODEC_ID_AC3)
1989 codec->block_align= 0;
1991 case AVMEDIA_TYPE_VIDEO:
1992 codec->pix_fmt = icodec->pix_fmt;
1993 codec->width = icodec->width;
1994 codec->height = icodec->height;
1995 codec->has_b_frames = icodec->has_b_frames;
1996 if (!codec->sample_aspect_ratio.num) {
1997 codec->sample_aspect_ratio =
1998 ost->st->sample_aspect_ratio =
1999 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2000 ist->st->codec->sample_aspect_ratio.num ?
2001 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2004 case AVMEDIA_TYPE_SUBTITLE:
2005 codec->width = icodec->width;
2006 codec->height = icodec->height;
2008 case AVMEDIA_TYPE_DATA:
2015 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2016 switch(codec->codec_type) {
2017 case AVMEDIA_TYPE_AUDIO:
2018 ost->fifo= av_fifo_alloc(1024);
2020 return AVERROR(ENOMEM);
2022 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2023 if (!codec->sample_rate) {
2024 codec->sample_rate = icodec->sample_rate;
2026 codec->sample_rate >>= icodec->lowres;
2028 choose_sample_rate(ost->st, ost->enc);
2029 codec->time_base = (AVRational){1, codec->sample_rate};
2030 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2031 codec->sample_fmt = icodec->sample_fmt;
2032 choose_sample_fmt(ost->st, ost->enc);
2033 if (!codec->channels)
2034 codec->channels = icodec->channels;
2035 codec->channel_layout = icodec->channel_layout;
2036 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2037 codec->channel_layout = 0;
2038 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2039 icodec->request_channels = codec->channels;
2040 ist->decoding_needed = 1;
2041 ost->encoding_needed = 1;
2042 ost->resample_sample_fmt = icodec->sample_fmt;
2043 ost->resample_sample_rate = icodec->sample_rate;
2044 ost->resample_channels = icodec->channels;
2046 case AVMEDIA_TYPE_VIDEO:
2047 if (codec->pix_fmt == PIX_FMT_NONE)
2048 codec->pix_fmt = icodec->pix_fmt;
2049 choose_pixel_fmt(ost->st, ost->enc);
2051 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2052 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2056 if (!codec->width || !codec->height) {
2057 codec->width = icodec->width;
2058 codec->height = icodec->height;
2061 ost->video_resample = codec->width != icodec->width ||
2062 codec->height != icodec->height ||
2063 codec->pix_fmt != icodec->pix_fmt;
2064 if (ost->video_resample) {
2065 #if !CONFIG_AVFILTER
2066 avcodec_get_frame_defaults(&ost->pict_tmp);
2067 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2068 codec->width, codec->height)) {
2069 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2072 ost->img_resample_ctx = sws_getContext(
2079 ost->sws_flags, NULL, NULL, NULL);
2080 if (ost->img_resample_ctx == NULL) {
2081 fprintf(stderr, "Cannot get resampling context\n");
2085 codec->bits_per_raw_sample= 0;
2088 ost->resample_height = icodec->height;
2089 ost->resample_width = icodec->width;
2090 ost->resample_pix_fmt= icodec->pix_fmt;
2091 ost->encoding_needed = 1;
2092 ist->decoding_needed = 1;
2094 if (!ost->frame_rate.num)
2095 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2096 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2097 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2098 ost->frame_rate = ost->enc->supported_framerates[idx];
2100 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2103 if (configure_video_filters(ist, ost)) {
2104 fprintf(stderr, "Error opening filters!\n");
2109 case AVMEDIA_TYPE_SUBTITLE:
2110 ost->encoding_needed = 1;
2111 ist->decoding_needed = 1;
2118 if (ost->encoding_needed &&
2119 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2120 char logfilename[1024];
2123 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2124 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2126 if (codec->flags & CODEC_FLAG_PASS1) {
2127 f = fopen(logfilename, "wb");
2129 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2135 size_t logbuffer_size;
2136 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2137 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2140 codec->stats_in = logbuffer;
2144 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2145 int size= codec->width * codec->height;
2146 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2151 bit_buffer = av_malloc(bit_buffer_size);
2153 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2155 return AVERROR(ENOMEM);
2158 /* open each encoder */
2159 for (i = 0; i < nb_output_streams; i++) {
2160 ost = &output_streams[i];
2161 if (ost->encoding_needed) {
2162 AVCodec *codec = ost->enc;
2163 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2165 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2166 ost->st->codec->codec_id, ost->file_index, ost->index);
2167 ret = AVERROR(EINVAL);
2170 if (dec->subtitle_header) {
2171 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2172 if (!ost->st->codec->subtitle_header) {
2173 ret = AVERROR(ENOMEM);
2176 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2177 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2179 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2180 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2181 ost->file_index, ost->index);
2182 ret = AVERROR(EINVAL);
2185 assert_codec_experimental(ost->st->codec, 1);
2186 assert_avoptions(ost->opts);
2187 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2188 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2189 "It takes bits/s as argument, not kbits/s\n");
2190 extra_size += ost->st->codec->extradata_size;
2192 if (ost->st->codec->me_threshold)
2193 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2197 /* init input streams */
2198 for (i = 0; i < nb_input_streams; i++)
2199 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2202 /* discard unused programs */
2203 for (i = 0; i < nb_input_files; i++) {
2204 InputFile *ifile = &input_files[i];
2205 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2206 AVProgram *p = ifile->ctx->programs[j];
2207 int discard = AVDISCARD_ALL;
2209 for (k = 0; k < p->nb_stream_indexes; k++)
2210 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2211 discard = AVDISCARD_DEFAULT;
2214 p->discard = discard;
2218 /* open files and write file headers */
2219 for (i = 0; i < nb_output_files; i++) {
2220 os = output_files[i].ctx;
2221 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2222 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2223 ret = AVERROR(EINVAL);
2226 assert_avoptions(output_files[i].opts);
2227 if (strcmp(os->oformat->name, "rtp")) {
2233 /* dump the file output parameters - cannot be done before in case
2235 for(i=0;i<nb_output_files;i++) {
2236 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2239 /* dump the stream mapping */
2241 fprintf(stderr, "Stream mapping:\n");
2242 for (i = 0; i < nb_output_streams;i ++) {
2243 ost = &output_streams[i];
2244 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2245 input_streams[ost->source_index].file_index,
2246 input_streams[ost->source_index].st->index,
2249 if (ost->sync_ist != &input_streams[ost->source_index])
2250 fprintf(stderr, " [sync #%d.%d]",
2251 ost->sync_ist->file_index,
2252 ost->sync_ist->st->index);
2253 if (ost->st->stream_copy)
2254 fprintf(stderr, " (copy)");
2256 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2257 input_streams[ost->source_index].dec->name : "?",
2258 ost->enc ? ost->enc->name : "?");
2259 fprintf(stderr, "\n");
2264 fprintf(stderr, "%s\n", error);
2269 print_sdp(output_files, nb_output_files);
2276 * The following code is the main loop of the file converter
2278 static int transcode(OutputFile *output_files,
2279 int nb_output_files,
2280 InputFile *input_files,
2284 AVFormatContext *is, *os;
2288 int no_packet_count=0;
2289 int64_t timer_start;
2291 if (!(no_packet = av_mallocz(nb_input_files)))
2294 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2299 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2302 timer_start = av_gettime();
2304 for(; received_sigterm == 0;) {
2305 int file_index, ist_index;
2310 ipts_min = INT64_MAX;
2313 /* select the stream that we must read now by looking at the
2314 smallest output pts */
2316 for (i = 0; i < nb_output_streams; i++) {
2320 ost = &output_streams[i];
2321 of = &output_files[ost->file_index];
2322 os = output_files[ost->file_index].ctx;
2323 ist = &input_streams[ost->source_index];
2324 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2325 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2327 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2329 if (!input_files[ist->file_index].eof_reached){
2330 if(ipts < ipts_min) {
2332 if(input_sync ) file_index = ist->file_index;
2334 if(opts < opts_min) {
2336 if(!input_sync) file_index = ist->file_index;
2339 if (ost->frame_number >= ost->max_frames) {
2341 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2342 output_streams[j].is_past_recording_time = 1;
2346 /* if none, if is finished */
2347 if (file_index < 0) {
2348 if(no_packet_count){
2350 memset(no_packet, 0, nb_input_files);
2357 /* read a frame from it and output it in the fifo */
2358 is = input_files[file_index].ctx;
2359 ret= av_read_frame(is, &pkt);
2360 if(ret == AVERROR(EAGAIN)){
2361 no_packet[file_index]=1;
2366 input_files[file_index].eof_reached = 1;
2374 memset(no_packet, 0, nb_input_files);
2377 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2378 is->streams[pkt.stream_index]);
2380 /* the following test is needed in case new streams appear
2381 dynamically in stream : we ignore them */
2382 if (pkt.stream_index >= input_files[file_index].nb_streams)
2383 goto discard_packet;
2384 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2385 ist = &input_streams[ist_index];
2387 goto discard_packet;
2389 if (pkt.dts != AV_NOPTS_VALUE)
2390 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2391 if (pkt.pts != AV_NOPTS_VALUE)
2392 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2394 if(pkt.pts != AV_NOPTS_VALUE)
2395 pkt.pts *= ist->ts_scale;
2396 if(pkt.dts != AV_NOPTS_VALUE)
2397 pkt.dts *= ist->ts_scale;
2399 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2400 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2401 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2402 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2403 int64_t delta= pkt_dts - ist->next_pts;
2404 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2405 input_files[ist->file_index].ts_offset -= delta;
2407 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2408 delta, input_files[ist->file_index].ts_offset);
2409 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2410 if(pkt.pts != AV_NOPTS_VALUE)
2411 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2415 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2416 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2419 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2420 ist->file_index, ist->st->index);
2423 av_free_packet(&pkt);
2428 av_free_packet(&pkt);
2430 /* dump report by using the output first video and audio streams */
2431 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2434 /* at the end of stream, we must flush the decoder buffers */
2435 for (i = 0; i < nb_input_streams; i++) {
2436 ist = &input_streams[i];
2437 if (ist->decoding_needed) {
2438 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2441 flush_encoders(output_streams, nb_output_streams);
2445 /* write the trailer if needed and close file */
2446 for(i=0;i<nb_output_files;i++) {
2447 os = output_files[i].ctx;
2448 av_write_trailer(os);
2451 /* dump report by using the first video and audio streams */
2452 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2454 /* close each encoder */
2455 for (i = 0; i < nb_output_streams; i++) {
2456 ost = &output_streams[i];
2457 if (ost->encoding_needed) {
2458 av_freep(&ost->st->codec->stats_in);
2459 avcodec_close(ost->st->codec);
2462 avfilter_graph_free(&ost->graph);
2466 /* close each decoder */
2467 for (i = 0; i < nb_input_streams; i++) {
2468 ist = &input_streams[i];
2469 if (ist->decoding_needed) {
2470 avcodec_close(ist->st->codec);
2478 av_freep(&bit_buffer);
2479 av_freep(&no_packet);
2481 if (output_streams) {
2482 for (i = 0; i < nb_output_streams; i++) {
2483 ost = &output_streams[i];
2485 if (ost->st->stream_copy)
2486 av_freep(&ost->st->codec->extradata);
2488 fclose(ost->logfile);
2489 ost->logfile = NULL;
2491 av_fifo_free(ost->fifo); /* works even if fifo is not
2492 initialized but set to zero */
2493 av_freep(&ost->st->codec->subtitle_header);
2494 av_free(ost->pict_tmp.data[0]);
2495 av_free(ost->forced_kf_pts);
2496 if (ost->video_resample)
2497 sws_freeContext(ost->img_resample_ctx);
2499 audio_resample_close(ost->resample);
2500 if (ost->reformat_ctx)
2501 av_audio_convert_free(ost->reformat_ctx);
2502 av_dict_free(&ost->opts);
2509 static int opt_verbose(const char *opt, const char *arg)
2511 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2515 static double parse_frame_aspect_ratio(const char *arg)
2522 p = strchr(arg, ':');
2524 x = strtol(arg, &end, 10);
2526 y = strtol(end+1, &end, 10);
2528 ar = (double)x / (double)y;
2530 ar = strtod(arg, NULL);
2533 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2539 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2541 return parse_option(o, "codec:a", arg, options);
2544 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2546 return parse_option(o, "codec:v", arg, options);
2549 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2551 return parse_option(o, "codec:s", arg, options);
2554 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2556 return parse_option(o, "codec:d", arg, options);
2559 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2561 StreamMap *m = NULL;
2562 int i, negative = 0, file_idx;
2563 int sync_file_idx = -1, sync_stream_idx;
2571 map = av_strdup(arg);
2573 /* parse sync stream first, just pick first matching stream */
2574 if (sync = strchr(map, ',')) {
2576 sync_file_idx = strtol(sync + 1, &sync, 0);
2577 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2578 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2583 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2584 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2585 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2586 sync_stream_idx = i;
2589 if (i == input_files[sync_file_idx].nb_streams) {
2590 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2591 "match any streams.\n", arg);
2597 file_idx = strtol(map, &p, 0);
2598 if (file_idx >= nb_input_files || file_idx < 0) {
2599 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2603 /* disable some already defined maps */
2604 for (i = 0; i < o->nb_stream_maps; i++) {
2605 m = &o->stream_maps[i];
2606 if (check_stream_specifier(input_files[m->file_index].ctx,
2607 input_files[m->file_index].ctx->streams[m->stream_index],
2608 *p == ':' ? p + 1 : p) > 0)
2612 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2613 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2614 *p == ':' ? p + 1 : p) <= 0)
2616 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2617 &o->nb_stream_maps, o->nb_stream_maps + 1);
2618 m = &o->stream_maps[o->nb_stream_maps - 1];
2620 m->file_index = file_idx;
2621 m->stream_index = i;
2623 if (sync_file_idx >= 0) {
2624 m->sync_file_index = sync_file_idx;
2625 m->sync_stream_index = sync_stream_idx;
2627 m->sync_file_index = file_idx;
2628 m->sync_stream_index = i;
2633 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2641 static void parse_meta_type(char *arg, char *type, int *index)
2651 if (*(++arg) == ':')
2652 *index = strtol(++arg, NULL, 0);
2655 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2662 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2664 MetadataMap *m, *m1;
2667 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2668 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2670 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2671 m->file = strtol(arg, &p, 0);
2672 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2674 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2675 if (p = strchr(opt, ':'))
2676 parse_meta_type(p + 1, &m1->type, &m1->index);
2680 if (m->type == 'g' || m1->type == 'g')
2681 o->metadata_global_manual = 1;
2682 if (m->type == 's' || m1->type == 's')
2683 o->metadata_streams_manual = 1;
2684 if (m->type == 'c' || m1->type == 'c')
2685 o->metadata_chapters_manual = 1;
2690 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2692 const char *codec_string = encoder ? "encoder" : "decoder";
2696 return CODEC_ID_NONE;
2698 avcodec_find_encoder_by_name(name) :
2699 avcodec_find_decoder_by_name(name);
2701 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2704 if(codec->type != type) {
2705 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2711 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2713 char *codec_name = NULL;
2715 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2719 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2720 return avcodec_find_encoder(st->codec->codec_id);
2722 } else if (!strcmp(codec_name, "copy"))
2723 st->stream_copy = 1;
2725 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2726 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2727 avcodec_find_decoder_by_name(codec_name);
2734 * Add all the streams from the given input file to the global
2735 * list of input streams.
2737 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2739 int i, rfps, rfps_base;
2741 for (i = 0; i < ic->nb_streams; i++) {
2742 AVStream *st = ic->streams[i];
2743 AVCodecContext *dec = st->codec;
2747 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2748 ist = &input_streams[nb_input_streams - 1];
2750 ist->file_index = nb_input_files;
2752 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2754 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2755 ist->ts_scale = scale;
2757 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2759 ist->dec = avcodec_find_decoder(dec->codec_id);
2761 switch (dec->codec_type) {
2762 case AVMEDIA_TYPE_AUDIO:
2763 if (o->audio_disable)
2764 st->discard= AVDISCARD_ALL;
2766 case AVMEDIA_TYPE_VIDEO:
2767 rfps = ic->streams[i]->r_frame_rate.num;
2768 rfps_base = ic->streams[i]->r_frame_rate.den;
2770 dec->flags |= CODEC_FLAG_EMU_EDGE;
2771 dec->height >>= dec->lowres;
2772 dec->width >>= dec->lowres;
2775 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2778 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2779 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2781 (float)rfps / rfps_base, rfps, rfps_base);
2784 if (o->video_disable)
2785 st->discard= AVDISCARD_ALL;
2786 else if(video_discard)
2787 st->discard= video_discard;
2789 case AVMEDIA_TYPE_DATA:
2791 case AVMEDIA_TYPE_SUBTITLE:
2792 if (o->subtitle_disable)
2793 st->discard = AVDISCARD_ALL;
2795 case AVMEDIA_TYPE_ATTACHMENT:
2796 case AVMEDIA_TYPE_UNKNOWN:
2804 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2806 AVFormatContext *ic;
2807 AVInputFormat *file_iformat = NULL;
2811 AVDictionary **opts;
2812 int orig_nb_streams; // number of streams before avformat_find_stream_info
2815 if (!(file_iformat = av_find_input_format(o->format))) {
2816 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2821 if (!strcmp(filename, "-"))
2824 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2825 !strcmp(filename, "/dev/stdin");
2827 /* get default parameters from command line */
2828 ic = avformat_alloc_context();
2830 print_error(filename, AVERROR(ENOMEM));
2833 if (o->nb_audio_sample_rate) {
2834 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
2835 av_dict_set(&format_opts, "sample_rate", buf, 0);
2837 if (o->nb_audio_channels) {
2838 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
2839 av_dict_set(&format_opts, "channels", buf, 0);
2841 if (o->nb_frame_rates) {
2842 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
2844 if (o->nb_frame_sizes) {
2845 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
2847 if (o->nb_frame_pix_fmts)
2848 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
2850 ic->flags |= AVFMT_FLAG_NONBLOCK;
2852 /* open the input file with generic libav function */
2853 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2855 print_error(filename, err);
2858 assert_avoptions(format_opts);
2860 /* apply forced codec ids */
2861 for (i = 0; i < ic->nb_streams; i++)
2862 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2864 /* Set AVCodecContext options for avformat_find_stream_info */
2865 opts = setup_find_stream_info_opts(ic, codec_opts);
2866 orig_nb_streams = ic->nb_streams;
2868 /* If not enough info to get the stream parameters, we decode the
2869 first frames to get it. (used in mpeg case for example) */
2870 ret = avformat_find_stream_info(ic, opts);
2871 if (ret < 0 && verbose >= 0) {
2872 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2873 av_close_input_file(ic);
2877 timestamp = o->start_time;
2878 /* add the stream start time */
2879 if (ic->start_time != AV_NOPTS_VALUE)
2880 timestamp += ic->start_time;
2882 /* if seeking requested, we execute it */
2883 if (o->start_time != 0) {
2884 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2886 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2887 filename, (double)timestamp / AV_TIME_BASE);
2891 /* update the current parameters so that they match the one of the input stream */
2892 add_input_streams(o, ic);
2894 /* dump the file content */
2896 av_dump_format(ic, nb_input_files, filename, 0);
2898 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2899 input_files[nb_input_files - 1].ctx = ic;
2900 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
2901 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
2902 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
2904 for (i = 0; i < orig_nb_streams; i++)
2905 av_dict_free(&opts[i]);
2912 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2913 AVCodecContext *avctx)
2919 for (p = kf; *p; p++)
2922 ost->forced_kf_count = n;
2923 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2924 if (!ost->forced_kf_pts) {
2925 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2928 for (i = 0; i < n; i++) {
2929 p = i ? strchr(p, ',') + 1 : kf;
2930 t = parse_time_or_die("force_key_frames", p, 1);
2931 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2935 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
2938 AVStream *st = av_new_stream(oc, oc->nb_streams < o->nb_streamid_map ? o->streamid_map[oc->nb_streams] : 0);
2939 int idx = oc->nb_streams - 1;
2940 int64_t max_frames = INT64_MAX;
2941 char *bsf = NULL, *next, *codec_tag = NULL;
2942 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
2946 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
2950 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
2951 nb_output_streams + 1);
2952 ost = &output_streams[nb_output_streams - 1];
2953 ost->file_index = nb_output_files;
2956 st->codec->codec_type = type;
2957 ost->enc = choose_codec(o, oc, st, type);
2959 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
2962 avcodec_get_context_defaults3(st->codec, ost->enc);
2963 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
2965 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
2966 ost->max_frames = max_frames;
2968 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
2970 if (next = strchr(bsf, ','))
2972 if (!(bsfc = av_bitstream_filter_init(bsf))) {
2973 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
2977 bsfc_prev->next = bsfc;
2979 ost->bitstream_filters = bsfc;
2985 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
2987 uint32_t tag = strtol(codec_tag, &next, 0);
2989 tag = AV_RL32(codec_tag);
2990 st->codec->codec_tag = tag;
2993 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
2994 if (qscale >= 0 || same_quant) {
2995 st->codec->flags |= CODEC_FLAG_QSCALE;
2996 st->codec->global_quality = FF_QP2LAMBDA * qscale;
2999 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3003 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3006 const char *p = str;
3013 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3020 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3024 AVCodecContext *video_enc;
3026 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3028 video_enc = st->codec;
3030 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3031 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3034 if (!st->stream_copy) {
3035 const char *p = NULL;
3036 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3037 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3038 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3039 int i, force_fps = 0, top_field_first = -1;
3041 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3042 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3043 av_log(NULL, AV_LOG_ERROR, "Invalid framerate value: %s\n", frame_rate);
3047 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3048 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3049 av_log(NULL, AV_LOG_ERROR, "Invalid frame size: %s.\n", frame_size);
3053 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3054 if (frame_aspect_ratio)
3055 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3057 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3058 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3059 av_log(NULL, AV_LOG_ERROR, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3062 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3064 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3066 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3067 av_log(NULL, AV_LOG_ERROR, "Could not allocate memory for intra matrix.\n");
3070 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3072 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3074 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3075 av_log(NULL, AV_LOG_ERROR, "Could not allocate memory for inter matrix.\n");
3078 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3081 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3084 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3086 fprintf(stderr, "error parsing rc_override\n");
3089 video_enc->rc_override=
3090 av_realloc(video_enc->rc_override,
3091 sizeof(RcOverride)*(i+1));
3092 video_enc->rc_override[i].start_frame= start;
3093 video_enc->rc_override[i].end_frame = end;
3095 video_enc->rc_override[i].qscale= q;
3096 video_enc->rc_override[i].quality_factor= 1.0;
3099 video_enc->rc_override[i].qscale= 0;
3100 video_enc->rc_override[i].quality_factor= -q/100.0;
3105 video_enc->rc_override_count=i;
3106 if (!video_enc->rc_initial_buffer_occupancy)
3107 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3108 video_enc->intra_dc_precision= intra_dc_precision - 8;
3113 video_enc->flags |= CODEC_FLAG_PASS1;
3115 video_enc->flags |= CODEC_FLAG_PASS2;
3119 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3120 if (forced_key_frames)
3121 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3123 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3124 ost->force_fps = force_fps;
3126 MATCH_PER_STREAM_OPT(top_field_first, i, top_field_first, oc, st);
3127 ost->top_field_first = top_field_first;
3130 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3132 ost->avfilter = av_strdup(filters);
3139 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3143 AVCodecContext *audio_enc;
3145 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3148 audio_enc = st->codec;
3149 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3151 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3152 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3154 if (!st->stream_copy) {
3155 char *sample_fmt = NULL;
3157 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3159 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3161 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3162 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", sample_fmt);
3166 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3172 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3176 AVCodecContext *data_enc;
3178 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3180 data_enc = st->codec;
3181 if (!st->stream_copy) {
3182 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3186 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3187 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3193 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3197 AVCodecContext *subtitle_enc;
3199 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3201 subtitle_enc = st->codec;
3203 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3205 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3206 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3212 /* arg format is "output-stream-index:streamid-value". */
3213 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3219 av_strlcpy(idx_str, arg, sizeof(idx_str));
3220 p = strchr(idx_str, ':');
3223 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3228 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3229 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3230 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3234 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3236 AVFormatContext *is = ifile->ctx;
3237 AVFormatContext *os = ofile->ctx;
3240 for (i = 0; i < is->nb_chapters; i++) {
3241 AVChapter *in_ch = is->chapters[i], *out_ch;
3242 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3243 AV_TIME_BASE_Q, in_ch->time_base);
3244 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3245 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3248 if (in_ch->end < ts_off)
3250 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3253 out_ch = av_mallocz(sizeof(AVChapter));
3255 return AVERROR(ENOMEM);
3257 out_ch->id = in_ch->id;
3258 out_ch->time_base = in_ch->time_base;
3259 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3260 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3263 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3266 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3268 return AVERROR(ENOMEM);
3269 os->chapters[os->nb_chapters - 1] = out_ch;
3274 static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3277 AVFormatContext *ic = NULL;
3279 err = avformat_open_input(&ic, filename, NULL, NULL);
3282 /* copy stream format */
3283 for(i=0;i<ic->nb_streams;i++) {
3288 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3289 ost = new_output_stream(o, s, codec->type);
3292 // FIXME: a more elegant solution is needed
3293 memcpy(st, ic->streams[i], sizeof(AVStream));
3295 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3297 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3298 choose_sample_fmt(st, codec);
3299 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3300 choose_pixel_fmt(st, codec);
3303 av_close_input_file(ic);
3307 static void opt_output_file(void *optctx, const char *filename)
3309 OptionsContext *o = optctx;
3310 AVFormatContext *oc;
3312 AVOutputFormat *file_oformat;
3316 if (!strcmp(filename, "-"))
3319 oc = avformat_alloc_context();
3321 print_error(filename, AVERROR(ENOMEM));
3326 file_oformat = av_guess_format(o->format, NULL, NULL);
3327 if (!file_oformat) {
3328 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
3332 file_oformat = av_guess_format(NULL, filename, NULL);
3333 if (!file_oformat) {
3334 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3340 oc->oformat = file_oformat;
3341 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3343 if (!strcmp(file_oformat->name, "ffm") &&
3344 av_strstart(filename, "http:", NULL)) {
3345 /* special case for files sent to avserver: we get the stream
3346 parameters from avserver */
3347 int err = read_avserver_streams(o, oc, filename);
3349 print_error(filename, err);
3352 } else if (!o->nb_stream_maps) {
3353 /* pick the "best" stream of each type */
3354 #define NEW_STREAM(type, index)\
3356 ost = new_ ## type ## _stream(o, oc);\
3357 ost->source_index = index;\
3358 ost->sync_ist = &input_streams[index];\
3359 input_streams[index].discard = 0;\
3362 /* video: highest resolution */
3363 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3364 int area = 0, idx = -1;
3365 for (i = 0; i < nb_input_streams; i++) {
3366 ist = &input_streams[i];
3367 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3368 ist->st->codec->width * ist->st->codec->height > area) {
3369 area = ist->st->codec->width * ist->st->codec->height;
3373 NEW_STREAM(video, idx);
3376 /* audio: most channels */
3377 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3378 int channels = 0, idx = -1;
3379 for (i = 0; i < nb_input_streams; i++) {
3380 ist = &input_streams[i];
3381 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3382 ist->st->codec->channels > channels) {
3383 channels = ist->st->codec->channels;
3387 NEW_STREAM(audio, idx);
3390 /* subtitles: pick first */
3391 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3392 for (i = 0; i < nb_input_streams; i++)
3393 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3394 NEW_STREAM(subtitle, i);
3398 /* do something with data? */
3400 for (i = 0; i < o->nb_stream_maps; i++) {
3401 StreamMap *map = &o->stream_maps[i];
3406 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3407 switch (ist->st->codec->codec_type) {
3408 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3409 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3410 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3411 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3413 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3414 map->file_index, map->stream_index);
3418 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3419 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3420 map->sync_stream_index];
3425 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3426 output_files[nb_output_files - 1].ctx = oc;
3427 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3428 output_files[nb_output_files - 1].recording_time = o->recording_time;
3429 output_files[nb_output_files - 1].start_time = o->start_time;
3430 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3431 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3433 /* check filename in case of an image number is expected */
3434 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3435 if (!av_filename_number_test(oc->filename)) {
3436 print_error(oc->filename, AVERROR(EINVAL));
3441 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3442 /* test if it already exists to avoid loosing precious files */
3443 if (!file_overwrite &&
3444 (strchr(filename, ':') == NULL ||
3445 filename[1] == ':' ||
3446 av_strstart(filename, "file:", NULL))) {
3447 if (avio_check(filename, 0) == 0) {
3449 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3451 if (!read_yesno()) {
3452 fprintf(stderr, "Not overwriting - exiting\n");
3457 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3464 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3465 print_error(filename, err);
3470 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3471 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3472 oc->flags |= AVFMT_FLAG_NONBLOCK;
3475 if (o->chapters_input_file >= nb_input_files) {
3476 if (o->chapters_input_file == INT_MAX) {
3477 /* copy chapters from the first input file that has them*/
3478 o->chapters_input_file = -1;
3479 for (i = 0; i < nb_input_files; i++)
3480 if (input_files[i].ctx->nb_chapters) {
3481 o->chapters_input_file = i;
3485 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3486 o->chapters_input_file);
3490 if (o->chapters_input_file >= 0)
3491 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3492 o->metadata_chapters_manual);
3495 for (i = 0; i < o->nb_meta_data_maps; i++) {
3496 AVFormatContext *files[2];
3497 AVDictionary **meta[2];
3500 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3501 if ((index) < 0 || (index) >= (nb_elems)) {\
3502 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3507 int in_file_index = o->meta_data_maps[i][1].file;
3508 if (in_file_index < 0)
3510 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3513 files[1] = input_files[in_file_index].ctx;
3515 for (j = 0; j < 2; j++) {
3516 MetadataMap *map = &o->meta_data_maps[i][j];
3518 switch (map->type) {
3520 meta[j] = &files[j]->metadata;
3523 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3524 meta[j] = &files[j]->streams[map->index]->metadata;
3527 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3528 meta[j] = &files[j]->chapters[map->index]->metadata;
3531 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3532 meta[j] = &files[j]->programs[map->index]->metadata;
3537 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3540 /* copy global metadata by default */
3541 if (!o->metadata_global_manual && nb_input_files)
3542 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3543 AV_DICT_DONT_OVERWRITE);
3544 if (!o->metadata_streams_manual)
3545 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3546 InputStream *ist = &input_streams[output_streams[i].source_index];
3547 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3550 /* process manually set metadata */
3551 for (i = 0; i < o->nb_metadata; i++) {
3556 val = strchr(o->metadata[i].u.str, '=');
3558 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3559 o->metadata[i].u.str);
3564 parse_meta_type(o->metadata[i].specifier, &type, &index);
3570 if (index < 0 || index >= oc->nb_streams) {
3571 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3574 m = &oc->streams[i]->metadata;
3577 if (index < 0 || index >= oc->nb_chapters) {
3578 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3581 m = &oc->chapters[i]->metadata;
3584 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3588 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3594 /* same option as mencoder */
3595 static int opt_pass(const char *opt, const char *arg)
3597 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3601 static int64_t getutime(void)
3604 struct rusage rusage;
3606 getrusage(RUSAGE_SELF, &rusage);
3607 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3608 #elif HAVE_GETPROCESSTIMES
3610 FILETIME c, e, k, u;
3611 proc = GetCurrentProcess();
3612 GetProcessTimes(proc, &c, &e, &k, &u);
3613 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3615 return av_gettime();
3619 static int64_t getmaxrss(void)
3621 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3622 struct rusage rusage;
3623 getrusage(RUSAGE_SELF, &rusage);
3624 return (int64_t)rusage.ru_maxrss * 1024;
3625 #elif HAVE_GETPROCESSMEMORYINFO
3627 PROCESS_MEMORY_COUNTERS memcounters;
3628 proc = GetCurrentProcess();
3629 memcounters.cb = sizeof(memcounters);
3630 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3631 return memcounters.PeakPagefileUsage;
3637 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
3639 return parse_option(o, "q:a", arg, options);
3642 static void show_usage(void)
3644 printf("Hyper fast Audio and Video encoder\n");
3645 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3649 static void show_help(void)
3652 AVOutputFormat *oformat = NULL;
3653 AVInputFormat *iformat = NULL;
3654 const AVClass *class;
3656 av_log_set_callback(log_callback_help);
3658 show_help_options(options, "Main options:\n",
3659 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3660 show_help_options(options, "\nAdvanced options:\n",
3661 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3663 show_help_options(options, "\nVideo options:\n",
3664 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3666 show_help_options(options, "\nAdvanced Video options:\n",
3667 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3668 OPT_VIDEO | OPT_EXPERT);
3669 show_help_options(options, "\nAudio options:\n",
3670 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3672 show_help_options(options, "\nAdvanced Audio options:\n",
3673 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3674 OPT_AUDIO | OPT_EXPERT);
3675 show_help_options(options, "\nSubtitle options:\n",
3676 OPT_SUBTITLE | OPT_GRAB,
3678 show_help_options(options, "\nAudio/Video grab options:\n",
3682 class = avcodec_get_class();
3683 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3686 /* individual codec options */
3688 while ((c = av_codec_next(c))) {
3689 if (c->priv_class) {
3690 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3695 class = avformat_get_class();
3696 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3699 /* individual muxer options */
3700 while ((oformat = av_oformat_next(oformat))) {
3701 if (oformat->priv_class) {
3702 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3707 /* individual demuxer options */
3708 while ((iformat = av_iformat_next(iformat))) {
3709 if (iformat->priv_class) {
3710 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3715 class = sws_get_class();
3716 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3719 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
3721 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3722 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3724 if(!strncmp(arg, "pal-", 4)) {
3727 } else if(!strncmp(arg, "ntsc-", 5)) {
3730 } else if(!strncmp(arg, "film-", 5)) {
3734 /* Try to determine PAL/NTSC by peeking in the input files */
3735 if(nb_input_files) {
3737 for (j = 0; j < nb_input_files; j++) {
3738 for (i = 0; i < input_files[j].nb_streams; i++) {
3739 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3740 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3742 fr = c->time_base.den * 1000 / c->time_base.num;
3746 } else if((fr == 29970) || (fr == 23976)) {
3755 if(verbose > 0 && norm != UNKNOWN)
3756 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3759 if(norm == UNKNOWN) {
3760 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3761 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3762 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3766 if(!strcmp(arg, "vcd")) {
3767 opt_video_codec(o, "c:v", "mpeg1video");
3768 opt_audio_codec(o, "c:a", "mp2");
3769 parse_option(o, "f", "vcd", options);
3771 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
3772 parse_option(o, "r", frame_rates[norm], options);
3773 opt_default("g", norm == PAL ? "15" : "18");
3775 opt_default("b", "1150000");
3776 opt_default("maxrate", "1150000");
3777 opt_default("minrate", "1150000");
3778 opt_default("bufsize", "327680"); // 40*1024*8;
3780 opt_default("b:a", "224000");
3781 parse_option(o, "ar", "44100", options);
3782 parse_option(o, "ac", "2", options);
3784 opt_default("packetsize", "2324");
3785 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3787 /* We have to offset the PTS, so that it is consistent with the SCR.
3788 SCR starts at 36000, but the first two packs contain only padding
3789 and the first pack from the other stream, respectively, may also have
3790 been written before.
3791 So the real data starts at SCR 36000+3*1200. */
3792 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
3793 } else if(!strcmp(arg, "svcd")) {
3795 opt_video_codec(o, "c:v", "mpeg2video");
3796 opt_audio_codec(o, "c:a", "mp2");
3797 parse_option(o, "f", "svcd", options);
3799 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
3800 parse_option(o, "r", frame_rates[norm], options);
3801 opt_default("g", norm == PAL ? "15" : "18");
3803 opt_default("b", "2040000");
3804 opt_default("maxrate", "2516000");
3805 opt_default("minrate", "0"); //1145000;
3806 opt_default("bufsize", "1835008"); //224*1024*8;
3807 opt_default("flags", "+scan_offset");
3810 opt_default("b:a", "224000");
3811 parse_option(o, "ar", "44100", options);
3813 opt_default("packetsize", "2324");
3815 } else if(!strcmp(arg, "dvd")) {
3817 opt_video_codec(o, "c:v", "mpeg2video");
3818 opt_audio_codec(o, "c:a", "ac3");
3819 parse_option(o, "f", "dvd", options);
3821 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
3822 parse_option(o, "r", frame_rates[norm], options);
3823 opt_default("g", norm == PAL ? "15" : "18");
3825 opt_default("b", "6000000");
3826 opt_default("maxrate", "9000000");
3827 opt_default("minrate", "0"); //1500000;
3828 opt_default("bufsize", "1835008"); //224*1024*8;
3830 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3831 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3833 opt_default("b:a", "448000");
3834 parse_option(o, "ar", "48000", options);
3836 } else if(!strncmp(arg, "dv", 2)) {
3838 parse_option(o, "f", "dv", options);
3840 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
3841 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3842 norm == PAL ? "yuv420p" : "yuv411p", options);
3843 parse_option(o, "r", frame_rates[norm], options);
3845 parse_option(o, "ar", "48000", options);
3846 parse_option(o, "ac", "2", options);
3849 fprintf(stderr, "Unknown target: %s\n", arg);
3850 return AVERROR(EINVAL);
3855 static int opt_vstats_file(const char *opt, const char *arg)
3857 av_free (vstats_filename);
3858 vstats_filename=av_strdup (arg);
3862 static int opt_vstats(const char *opt, const char *arg)
3865 time_t today2 = time(NULL);
3866 struct tm *today = localtime(&today2);
3868 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3870 return opt_vstats_file(opt, filename);
3873 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
3875 return parse_option(o, "frames:v", arg, options);
3878 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
3880 return parse_option(o, "frames:a", arg, options);
3883 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
3885 return parse_option(o, "frames:d", arg, options);
3888 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
3890 return parse_option(o, "tag:v", arg, options);
3893 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
3895 return parse_option(o, "tag:a", arg, options);
3898 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
3900 return parse_option(o, "tag:s", arg, options);
3903 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
3905 return parse_option(o, "filter:v", arg, options);
3908 #define OFFSET(x) offsetof(OptionsContext, x)
3909 static const OptionDef options[] = {
3911 #include "cmdutils_common_opts.h"
3912 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
3913 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
3914 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3915 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
3916 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
3917 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
3918 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
3919 "outfile[,metadata]:infile[,metadata]" },
3920 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
3921 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3922 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
3923 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
3924 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
3925 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
3926 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
3927 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
3928 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3929 "add timings for benchmarking" },
3930 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
3931 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3932 "dump each input packet" },
3933 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3934 "when dumping packets, also dump the payload" },
3935 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
3936 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
3937 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3938 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3939 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3940 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3941 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3942 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
3943 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3944 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3945 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3946 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3947 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
3948 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
3949 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
3950 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
3952 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
3956 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
3957 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3958 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
3959 { "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" },
3960 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
3961 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
3962 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3963 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
3964 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3965 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
3966 "use same quantizer as source (implies VBR)" },
3967 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
3968 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3969 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3970 "deinterlace pictures" },
3971 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3972 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3974 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
3976 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
3977 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
3978 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
3979 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3980 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3981 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3982 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
3983 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
3984 { "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" },
3987 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
3988 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
3989 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
3990 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
3991 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
3992 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3993 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3994 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3995 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
3997 /* subtitle options */
3998 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
3999 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4000 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4003 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4006 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4007 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4009 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4011 /* data codec support */
4012 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4014 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4018 int main(int argc, char **argv)
4020 OptionsContext o = { 0 };
4025 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4027 avcodec_register_all();
4029 avdevice_register_all();
4032 avfilter_register_all();
4036 avio_set_interrupt_cb(decode_interrupt_cb);
4041 parse_options(&o, argc, argv, options, opt_output_file);
4043 if(nb_output_files <= 0 && nb_input_files == 0) {
4045 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4049 /* file converter / grab */
4050 if (nb_output_files <= 0) {
4051 fprintf(stderr, "At least one output file must be specified\n");
4055 if (nb_input_files == 0) {
4056 fprintf(stderr, "At least one input file must be specified\n");
4061 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4063 ti = getutime() - ti;
4065 int maxrss = getmaxrss() / 1024;
4066 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);