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)