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 /* indexed by output file stream index */
101 static int *streamid_map = NULL;
102 static int nb_streamid_map = 0;
104 static uint16_t *intra_matrix = NULL;
105 static uint16_t *inter_matrix = NULL;
106 static int video_discard = 0;
107 static int same_quant = 0;
108 static int do_deinterlace = 0;
109 static int top_field_first = -1;
110 static int intra_dc_precision = 8;
111 static int qp_hist = 0;
113 static char *vfilters = NULL;
116 static int file_overwrite = 0;
117 static int do_benchmark = 0;
118 static int do_hex_dump = 0;
119 static int do_pkt_dump = 0;
120 static int do_pass = 0;
121 static char *pass_logfilename_prefix = NULL;
122 static int video_sync_method= -1;
123 static int audio_sync_method= 0;
124 static float audio_drift_threshold= 0.1;
125 static int copy_ts= 0;
127 static int opt_shortest = 0;
128 static char *vstats_filename;
129 static FILE *vstats_file;
130 static int copy_initial_nonkeyframes = 0;
132 static int audio_volume = 256;
134 static int exit_on_error = 0;
135 static int using_stdin = 0;
136 static int verbose = 1;
137 static int64_t video_size = 0;
138 static int64_t audio_size = 0;
139 static int64_t extra_size = 0;
140 static int nb_frames_dup = 0;
141 static int nb_frames_drop = 0;
142 static int input_sync;
144 static float dts_delta_threshold = 10;
146 static uint8_t *audio_buf;
147 static uint8_t *audio_out;
148 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
150 static short *samples;
152 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
154 typedef struct InputStream {
157 int discard; /* true if stream data should be discarded */
158 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
161 int64_t start; /* time when read started */
162 int64_t next_pts; /* synthetic pts for cases where pkt.pts
164 int64_t pts; /* current pts */
165 PtsCorrectionContext pts_ctx;
167 int is_start; /* is 1 at the start and after a discontinuity */
168 int showed_multi_packet_warning;
172 typedef struct InputFile {
173 AVFormatContext *ctx;
174 int eof_reached; /* true if eof reached */
175 int ist_index; /* index of first stream in ist_table */
176 int buffer_size; /* current total buffer size */
178 int nb_streams; /* number of stream that avconv is aware of; may be different
179 from ctx.nb_streams if new streams appear during av_read_frame() */
183 typedef struct OutputStream {
184 int file_index; /* file index */
185 int index; /* stream index in the output file */
186 int source_index; /* InputStream index */
187 AVStream *st; /* stream in the output file */
188 int encoding_needed; /* true if encoding needed for this stream */
190 /* input pts and corresponding output pts
192 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
193 struct InputStream *sync_ist; /* input stream to sync against */
194 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
195 AVBitStreamFilterContext *bitstream_filters;
201 AVFrame pict_tmp; /* temporary image for resampling */
202 struct SwsContext *img_resample_ctx; /* for image resampling */
205 int resample_pix_fmt;
206 AVRational frame_rate;
209 float frame_aspect_ratio;
211 /* forced key frames */
212 int64_t *forced_kf_pts;
218 ReSampleContext *resample; /* for audio resampling */
219 int resample_sample_fmt;
220 int resample_channels;
221 int resample_sample_rate;
223 AVAudioConvert *reformat_ctx;
224 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
228 AVFilterContext *output_video_filter;
229 AVFilterContext *input_video_filter;
230 AVFilterBufferRef *picref;
232 AVFilterGraph *graph;
237 int is_past_recording_time;
241 typedef struct OutputFile {
242 AVFormatContext *ctx;
244 int ost_index; /* index of the first stream in output_streams */
245 int64_t recording_time; /* desired length of the resulting file in microseconds */
246 int64_t start_time; /* start time in microseconds */
247 uint64_t limit_filesize;
250 static InputStream *input_streams = NULL;
251 static int nb_input_streams = 0;
252 static InputFile *input_files = NULL;
253 static int nb_input_files = 0;
255 static OutputStream *output_streams = NULL;
256 static int nb_output_streams = 0;
257 static OutputFile *output_files = NULL;
258 static int nb_output_files = 0;
260 typedef struct OptionsContext {
261 /* input/output options */
265 SpecifierOpt *codec_names;
267 SpecifierOpt *audio_channels;
268 int nb_audio_channels;
269 SpecifierOpt *audio_sample_rate;
270 int nb_audio_sample_rate;
271 SpecifierOpt *frame_rates;
273 SpecifierOpt *frame_sizes;
275 SpecifierOpt *frame_pix_fmts;
276 int nb_frame_pix_fmts;
279 int64_t input_ts_offset;
282 SpecifierOpt *ts_scale;
286 StreamMap *stream_maps;
288 /* first item specifies output metadata, second is input */
289 MetadataMap (*meta_data_maps)[2];
290 int nb_meta_data_maps;
291 int metadata_global_manual;
292 int metadata_streams_manual;
293 int metadata_chapters_manual;
295 int chapters_input_file;
297 int64_t recording_time;
298 uint64_t limit_filesize;
304 int subtitle_disable;
307 SpecifierOpt *metadata;
309 SpecifierOpt *max_frames;
311 SpecifierOpt *bitstream_filters;
312 int nb_bitstream_filters;
313 SpecifierOpt *codec_tags;
315 SpecifierOpt *sample_fmts;
317 SpecifierOpt *qscale;
319 SpecifierOpt *forced_key_frames;
320 int nb_forced_key_frames;
321 SpecifierOpt *force_fps;
323 SpecifierOpt *frame_aspect_ratios;
324 int nb_frame_aspect_ratios;
325 SpecifierOpt *rc_overrides;
329 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
332 for (i = 0; i < o->nb_ ## name; i++) {\
333 char *spec = o->name[i].specifier;\
334 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
335 outvar = o->name[i].u.type;\
341 static void reset_options(OptionsContext *o)
343 const OptionDef *po = options;
345 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
347 void *dst = (uint8_t*)o + po->u.off;
349 if (po->flags & OPT_SPEC) {
350 SpecifierOpt **so = dst;
351 int i, *count = (int*)(so + 1);
352 for (i = 0; i < *count; i++) {
353 av_freep(&(*so)[i].specifier);
354 if (po->flags & OPT_STRING)
355 av_freep(&(*so)[i].u.str);
359 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
364 av_freep(&o->stream_maps);
365 av_freep(&o->meta_data_maps);
367 memset(o, 0, sizeof(*o));
369 o->mux_preload = 0.5;
370 o->mux_max_delay = 0.7;
371 o->recording_time = INT64_MAX;
372 o->limit_filesize = UINT64_MAX;
373 o->chapters_input_file = INT_MAX;
381 static int configure_video_filters(InputStream *ist, OutputStream *ost)
383 AVFilterContext *last_filter, *filter;
384 /** filter graph containing all filters including input & output */
385 AVCodecContext *codec = ost->st->codec;
386 AVCodecContext *icodec = ist->st->codec;
387 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
388 AVRational sample_aspect_ratio;
392 ost->graph = avfilter_graph_alloc();
394 if (ist->st->sample_aspect_ratio.num){
395 sample_aspect_ratio = ist->st->sample_aspect_ratio;
397 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
399 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
400 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
401 sample_aspect_ratio.num, sample_aspect_ratio.den);
403 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
404 "src", args, NULL, ost->graph);
407 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
408 "out", NULL, &ffsink_ctx, ost->graph);
411 last_filter = ost->input_video_filter;
413 if (codec->width != icodec->width || codec->height != icodec->height) {
414 snprintf(args, 255, "%d:%d:flags=0x%X",
418 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
419 NULL, args, NULL, ost->graph)) < 0)
421 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
423 last_filter = filter;
426 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
427 ost->graph->scale_sws_opts = av_strdup(args);
430 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
431 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
433 outputs->name = av_strdup("in");
434 outputs->filter_ctx = last_filter;
435 outputs->pad_idx = 0;
436 outputs->next = NULL;
438 inputs->name = av_strdup("out");
439 inputs->filter_ctx = ost->output_video_filter;
443 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
445 av_freep(&ost->avfilter);
447 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
451 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
454 codec->width = ost->output_video_filter->inputs[0]->w;
455 codec->height = ost->output_video_filter->inputs[0]->h;
456 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
457 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
458 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
459 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
463 #endif /* CONFIG_AVFILTER */
465 static void term_exit(void)
467 av_log(NULL, AV_LOG_QUIET, "");
470 static volatile int received_sigterm = 0;
471 static volatile int received_nb_signals = 0;
474 sigterm_handler(int sig)
476 received_sigterm = sig;
477 received_nb_signals++;
481 static void term_init(void)
483 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
484 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
486 signal(SIGXCPU, sigterm_handler);
490 static int decode_interrupt_cb(void)
492 return received_nb_signals > 1;
495 void exit_program(int ret)
500 for(i=0;i<nb_output_files;i++) {
501 AVFormatContext *s = output_files[i].ctx;
502 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
504 avformat_free_context(s);
505 av_dict_free(&output_files[i].opts);
507 for(i=0;i<nb_input_files;i++) {
508 av_close_input_file(input_files[i].ctx);
510 for (i = 0; i < nb_input_streams; i++)
511 av_dict_free(&input_streams[i].opts);
513 av_free(intra_matrix);
514 av_free(inter_matrix);
518 av_free(vstats_filename);
520 av_freep(&input_streams);
521 av_freep(&input_files);
522 av_freep(&output_streams);
523 av_freep(&output_files);
528 allocated_audio_buf_size= allocated_audio_out_size= 0;
535 if (received_sigterm) {
537 "Received signal %d: terminating.\n",
538 (int) received_sigterm);
542 exit(ret); /* not all OS-es handle main() return value */
545 static void assert_avoptions(AVDictionary *m)
547 AVDictionaryEntry *t;
548 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
549 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
554 static void assert_codec_experimental(AVCodecContext *c, int encoder)
556 const char *codec_string = encoder ? "encoder" : "decoder";
558 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
559 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
560 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
561 "results.\nAdd '-strict experimental' if you want to use it.\n",
562 codec_string, c->codec->name);
563 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
564 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
565 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
566 codec_string, codec->name);
571 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
573 if(codec && codec->sample_fmts){
574 const enum AVSampleFormat *p= codec->sample_fmts;
576 if(*p == st->codec->sample_fmt)
580 av_log(NULL, AV_LOG_WARNING,
581 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
582 av_get_sample_fmt_name(st->codec->sample_fmt),
584 av_get_sample_fmt_name(codec->sample_fmts[0]));
585 st->codec->sample_fmt = codec->sample_fmts[0];
591 * Update the requested input sample format based on the output sample format.
592 * This is currently only used to request float output from decoders which
593 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
594 * Ideally this will be removed in the future when decoders do not do format
595 * conversion and only output in their native format.
597 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
600 /* if sample formats match or a decoder sample format has already been
601 requested, just return */
602 if (enc->sample_fmt == dec->sample_fmt ||
603 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
606 /* if decoder supports more than one output format */
607 if (dec_codec && dec_codec->sample_fmts &&
608 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
609 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
610 const enum AVSampleFormat *p;
611 int min_dec = -1, min_inc = -1;
613 /* find a matching sample format in the encoder */
614 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
615 if (*p == enc->sample_fmt) {
616 dec->request_sample_fmt = *p;
618 } else if (*p > enc->sample_fmt) {
619 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
621 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
624 /* if none match, provide the one that matches quality closest */
625 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
626 enc->sample_fmt - min_dec;
630 static void choose_sample_rate(AVStream *st, AVCodec *codec)
632 if(codec && codec->supported_samplerates){
633 const int *p= codec->supported_samplerates;
635 int best_dist=INT_MAX;
637 int dist= abs(st->codec->sample_rate - *p);
638 if(dist < best_dist){
644 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
646 st->codec->sample_rate= best;
650 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
652 if(codec && codec->pix_fmts){
653 const enum PixelFormat *p= codec->pix_fmts;
654 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
655 if(st->codec->codec_id==CODEC_ID_MJPEG){
656 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
657 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
658 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};
662 if(*p == st->codec->pix_fmt)
666 if(st->codec->pix_fmt != PIX_FMT_NONE)
667 av_log(NULL, AV_LOG_WARNING,
668 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
669 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
671 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
672 st->codec->pix_fmt = codec->pix_fmts[0];
678 get_sync_ipts(const OutputStream *ost)
680 const InputStream *ist = ost->sync_ist;
681 OutputFile *of = &output_files[ost->file_index];
682 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
685 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
689 AVPacket new_pkt= *pkt;
690 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
691 &new_pkt.data, &new_pkt.size,
692 pkt->data, pkt->size,
693 pkt->flags & AV_PKT_FLAG_KEY);
696 new_pkt.destruct= av_destruct_packet;
698 fprintf(stderr, "%s failed for stream %d, codec %s",
699 bsfc->filter->name, pkt->stream_index,
700 avctx->codec ? avctx->codec->name : "copy");
710 ret= av_interleaved_write_frame(s, pkt);
712 print_error("av_interleaved_write_frame()", ret);
717 static void do_audio_out(AVFormatContext *s,
720 unsigned char *buf, int size)
723 int64_t audio_out_size, audio_buf_size;
724 int64_t allocated_for_size= size;
726 int size_out, frame_bytes, ret, resample_changed;
727 AVCodecContext *enc= ost->st->codec;
728 AVCodecContext *dec= ist->st->codec;
729 int osize = av_get_bytes_per_sample(enc->sample_fmt);
730 int isize = av_get_bytes_per_sample(dec->sample_fmt);
731 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
734 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
735 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
736 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
737 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
738 audio_buf_size*= osize*enc->channels;
740 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
741 if(coded_bps > 8*osize)
742 audio_out_size= audio_out_size * coded_bps / (8*osize);
743 audio_out_size += FF_MIN_BUFFER_SIZE;
745 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
746 fprintf(stderr, "Buffer sizes too large\n");
750 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
751 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
752 if (!audio_buf || !audio_out){
753 fprintf(stderr, "Out of memory in do_audio_out\n");
757 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
758 ost->audio_resample = 1;
760 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
761 ost->resample_channels != dec->channels ||
762 ost->resample_sample_rate != dec->sample_rate;
764 if ((ost->audio_resample && !ost->resample) || resample_changed) {
765 if (resample_changed) {
766 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",
767 ist->file_index, ist->st->index,
768 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
769 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
770 ost->resample_sample_fmt = dec->sample_fmt;
771 ost->resample_channels = dec->channels;
772 ost->resample_sample_rate = dec->sample_rate;
774 audio_resample_close(ost->resample);
776 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
777 if (audio_sync_method <= 1 &&
778 ost->resample_sample_fmt == enc->sample_fmt &&
779 ost->resample_channels == enc->channels &&
780 ost->resample_sample_rate == enc->sample_rate) {
781 ost->resample = NULL;
782 ost->audio_resample = 0;
783 } else if (ost->audio_resample) {
784 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
785 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
786 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
787 enc->sample_rate, dec->sample_rate,
788 enc->sample_fmt, dec->sample_fmt,
790 if (!ost->resample) {
791 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
792 dec->channels, dec->sample_rate,
793 enc->channels, enc->sample_rate);
799 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
800 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
801 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
802 if (ost->reformat_ctx)
803 av_audio_convert_free(ost->reformat_ctx);
804 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
805 dec->sample_fmt, 1, NULL, 0);
806 if (!ost->reformat_ctx) {
807 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
808 av_get_sample_fmt_name(dec->sample_fmt),
809 av_get_sample_fmt_name(enc->sample_fmt));
812 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
815 if(audio_sync_method){
816 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
817 - av_fifo_size(ost->fifo)/(enc->channels * 2);
818 double idelta= delta*dec->sample_rate / enc->sample_rate;
819 int byte_delta= ((int)idelta)*2*dec->channels;
821 //FIXME resample delay
822 if(fabs(delta) > 50){
823 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
825 byte_delta= FFMAX(byte_delta, -size);
829 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
834 static uint8_t *input_tmp= NULL;
835 input_tmp= av_realloc(input_tmp, byte_delta + size);
837 if(byte_delta > allocated_for_size - size){
838 allocated_for_size= byte_delta + (int64_t)size;
843 memset(input_tmp, 0, byte_delta);
844 memcpy(input_tmp + byte_delta, buf, size);
848 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
850 }else if(audio_sync_method>1){
851 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
852 av_assert0(ost->audio_resample);
854 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
855 // 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));
856 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
860 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
861 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
863 if (ost->audio_resample) {
865 size_out = audio_resample(ost->resample,
866 (short *)buftmp, (short *)buf,
867 size / (dec->channels * isize));
868 size_out = size_out * enc->channels * osize;
874 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
875 const void *ibuf[6]= {buftmp};
876 void *obuf[6]= {audio_buf};
877 int istride[6]= {isize};
878 int ostride[6]= {osize};
879 int len= size_out/istride[0];
880 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
881 printf("av_audio_convert() failed\n");
887 size_out = len*osize;
890 /* now encode as many frames as possible */
891 if (enc->frame_size > 1) {
892 /* output resampled raw samples */
893 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
894 fprintf(stderr, "av_fifo_realloc2() failed\n");
897 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
899 frame_bytes = enc->frame_size * osize * enc->channels;
901 while (av_fifo_size(ost->fifo) >= frame_bytes) {
903 av_init_packet(&pkt);
905 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
907 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
909 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
912 fprintf(stderr, "Audio encoding failed\n");
916 pkt.stream_index= ost->index;
919 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
920 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
921 pkt.flags |= AV_PKT_FLAG_KEY;
922 write_frame(s, &pkt, enc, ost->bitstream_filters);
924 ost->sync_opts += enc->frame_size;
928 av_init_packet(&pkt);
930 ost->sync_opts += size_out / (osize * enc->channels);
932 /* output a pcm frame */
933 /* determine the size of the coded buffer */
936 size_out = size_out*coded_bps/8;
938 if(size_out > audio_out_size){
939 fprintf(stderr, "Internal error, buffer size too small\n");
943 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
944 ret = avcodec_encode_audio(enc, audio_out, size_out,
947 fprintf(stderr, "Audio encoding failed\n");
951 pkt.stream_index= ost->index;
954 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
955 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
956 pkt.flags |= AV_PKT_FLAG_KEY;
957 write_frame(s, &pkt, enc, ost->bitstream_filters);
961 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
965 AVPicture picture_tmp;
968 dec = ist->st->codec;
970 /* deinterlace : must be done before any resize */
971 if (do_deinterlace) {
974 /* create temporary picture */
975 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
976 buf = av_malloc(size);
980 picture2 = &picture_tmp;
981 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
983 if(avpicture_deinterlace(picture2, picture,
984 dec->pix_fmt, dec->width, dec->height) < 0) {
985 /* if error, do not deinterlace */
986 fprintf(stderr, "Deinterlacing failed\n");
995 if (picture != picture2)
996 *picture = *picture2;
1000 static void do_subtitle_out(AVFormatContext *s,
1006 static uint8_t *subtitle_out = NULL;
1007 int subtitle_out_max_size = 1024 * 1024;
1008 int subtitle_out_size, nb, i;
1009 AVCodecContext *enc;
1012 if (pts == AV_NOPTS_VALUE) {
1013 fprintf(stderr, "Subtitle packets must have a pts\n");
1019 enc = ost->st->codec;
1021 if (!subtitle_out) {
1022 subtitle_out = av_malloc(subtitle_out_max_size);
1025 /* Note: DVB subtitle need one packet to draw them and one other
1026 packet to clear them */
1027 /* XXX: signal it in the codec context ? */
1028 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1033 for(i = 0; i < nb; i++) {
1034 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1035 // start_display_time is required to be 0
1036 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1037 sub->end_display_time -= sub->start_display_time;
1038 sub->start_display_time = 0;
1039 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1040 subtitle_out_max_size, sub);
1041 if (subtitle_out_size < 0) {
1042 fprintf(stderr, "Subtitle encoding failed\n");
1046 av_init_packet(&pkt);
1047 pkt.stream_index = ost->index;
1048 pkt.data = subtitle_out;
1049 pkt.size = subtitle_out_size;
1050 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1051 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1052 /* XXX: the pts correction is handled here. Maybe handling
1053 it in the codec would be better */
1055 pkt.pts += 90 * sub->start_display_time;
1057 pkt.pts += 90 * sub->end_display_time;
1059 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1063 static int bit_buffer_size= 1024*256;
1064 static uint8_t *bit_buffer= NULL;
1066 static void do_video_resample(OutputStream *ost,
1068 AVFrame *in_picture,
1069 AVFrame **out_picture)
1071 int resample_changed = 0;
1072 AVCodecContext *dec = ist->st->codec;
1073 *out_picture = in_picture;
1075 resample_changed = ost->resample_width != dec->width ||
1076 ost->resample_height != dec->height ||
1077 ost->resample_pix_fmt != dec->pix_fmt;
1079 if (resample_changed) {
1080 av_log(NULL, AV_LOG_INFO,
1081 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1082 ist->file_index, ist->st->index,
1083 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1084 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1085 if(!ost->video_resample)
1086 ost->video_resample = 1;
1089 #if !CONFIG_AVFILTER
1090 if (ost->video_resample) {
1091 *out_picture = &ost->pict_tmp;
1092 if (resample_changed) {
1093 /* initialize a new scaler context */
1094 sws_freeContext(ost->img_resample_ctx);
1095 ost->img_resample_ctx = sws_getContext(
1096 ist->st->codec->width,
1097 ist->st->codec->height,
1098 ist->st->codec->pix_fmt,
1099 ost->st->codec->width,
1100 ost->st->codec->height,
1101 ost->st->codec->pix_fmt,
1102 ost->sws_flags, NULL, NULL, NULL);
1103 if (ost->img_resample_ctx == NULL) {
1104 fprintf(stderr, "Cannot get resampling context\n");
1108 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1109 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1112 if (resample_changed) {
1113 avfilter_graph_free(&ost->graph);
1114 if (configure_video_filters(ist, ost)) {
1115 fprintf(stderr, "Error reinitializing filters!\n");
1120 if (resample_changed) {
1121 ost->resample_width = dec->width;
1122 ost->resample_height = dec->height;
1123 ost->resample_pix_fmt = dec->pix_fmt;
1128 static void do_video_out(AVFormatContext *s,
1131 AVFrame *in_picture,
1132 int *frame_size, float quality)
1134 int nb_frames, i, ret, format_video_sync;
1135 AVFrame *final_picture;
1136 AVCodecContext *enc;
1139 enc = ost->st->codec;
1141 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1143 /* by default, we output a single frame */
1148 format_video_sync = video_sync_method;
1149 if (format_video_sync < 0)
1150 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1152 if (format_video_sync) {
1153 double vdelta = sync_ipts - ost->sync_opts;
1154 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1157 else if (format_video_sync == 2) {
1160 }else if(vdelta>0.6)
1161 ost->sync_opts= lrintf(sync_ipts);
1162 }else if (vdelta > 1.1)
1163 nb_frames = lrintf(vdelta);
1164 //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);
1165 if (nb_frames == 0){
1168 fprintf(stderr, "*** drop!\n");
1169 }else if (nb_frames > 1) {
1170 nb_frames_dup += nb_frames - 1;
1172 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1175 ost->sync_opts= lrintf(sync_ipts);
1177 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1181 do_video_resample(ost, ist, in_picture, &final_picture);
1183 /* duplicates frame if needed */
1184 for(i=0;i<nb_frames;i++) {
1186 av_init_packet(&pkt);
1187 pkt.stream_index= ost->index;
1189 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1190 /* raw pictures are written as AVPicture structure to
1191 avoid any copies. We support temporarily the older
1193 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1194 enc->coded_frame->top_field_first = in_picture->top_field_first;
1195 pkt.data= (uint8_t *)final_picture;
1196 pkt.size= sizeof(AVPicture);
1197 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1198 pkt.flags |= AV_PKT_FLAG_KEY;
1200 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1202 AVFrame big_picture;
1204 big_picture= *final_picture;
1205 /* better than nothing: use input picture interlaced
1207 big_picture.interlaced_frame = in_picture->interlaced_frame;
1208 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1209 if(top_field_first == -1)
1210 big_picture.top_field_first = in_picture->top_field_first;
1212 big_picture.top_field_first = top_field_first;
1215 /* handles same_quant here. This is not correct because it may
1216 not be a global option */
1217 big_picture.quality = quality;
1218 if (!enc->me_threshold)
1219 big_picture.pict_type = 0;
1220 // big_picture.pts = AV_NOPTS_VALUE;
1221 big_picture.pts= ost->sync_opts;
1222 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1223 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1224 if (ost->forced_kf_index < ost->forced_kf_count &&
1225 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1226 big_picture.pict_type = AV_PICTURE_TYPE_I;
1227 ost->forced_kf_index++;
1229 ret = avcodec_encode_video(enc,
1230 bit_buffer, bit_buffer_size,
1233 fprintf(stderr, "Video encoding failed\n");
1238 pkt.data= bit_buffer;
1240 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1241 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1242 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1243 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1244 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1246 if(enc->coded_frame->key_frame)
1247 pkt.flags |= AV_PKT_FLAG_KEY;
1248 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1251 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1252 // enc->frame_number-1, ret, enc->pict_type);
1253 /* if two pass, output log */
1254 if (ost->logfile && enc->stats_out) {
1255 fprintf(ost->logfile, "%s", enc->stats_out);
1260 ost->frame_number++;
1264 static double psnr(double d){
1265 return -10.0*log(d)/log(10.0);
1268 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1271 AVCodecContext *enc;
1273 double ti1, bitrate, avg_bitrate;
1275 /* this is executed just the first time do_video_stats is called */
1277 vstats_file = fopen(vstats_filename, "w");
1284 enc = ost->st->codec;
1285 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1286 frame_number = ost->frame_number;
1287 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1288 if (enc->flags&CODEC_FLAG_PSNR)
1289 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1291 fprintf(vstats_file,"f_size= %6d ", frame_size);
1292 /* compute pts value */
1293 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1297 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1298 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1299 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1300 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1301 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1305 static void print_report(OutputFile *output_files,
1306 OutputStream *ost_table, int nb_ostreams,
1307 int is_last_report, int64_t timer_start)
1311 AVFormatContext *oc;
1313 AVCodecContext *enc;
1314 int frame_number, vid, i;
1315 double bitrate, ti1, pts;
1316 static int64_t last_time = -1;
1317 static int qp_histogram[52];
1319 if (!is_last_report) {
1321 /* display the report every 0.5 seconds */
1322 cur_time = av_gettime();
1323 if (last_time == -1) {
1324 last_time = cur_time;
1327 if ((cur_time - last_time) < 500000)
1329 last_time = cur_time;
1333 oc = output_files[0].ctx;
1335 total_size = avio_size(oc->pb);
1336 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1337 total_size= avio_tell(oc->pb);
1342 for(i=0;i<nb_ostreams;i++) {
1344 ost = &ost_table[i];
1345 enc = ost->st->codec;
1346 if (!ost->st->stream_copy && enc->coded_frame)
1347 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1348 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1349 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1351 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1352 float t = (av_gettime()-timer_start) / 1000000.0;
1354 frame_number = ost->frame_number;
1355 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1356 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1358 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1362 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1365 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1367 if (enc->flags&CODEC_FLAG_PSNR){
1369 double error, error_sum=0;
1370 double scale, scale_sum=0;
1371 char type[3]= {'Y','U','V'};
1372 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1375 error= enc->error[j];
1376 scale= enc->width*enc->height*255.0*255.0*frame_number;
1378 error= enc->coded_frame->error[j];
1379 scale= enc->width*enc->height*255.0*255.0;
1384 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1386 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1390 /* compute min output value */
1391 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1392 if ((pts < ti1) && (pts > 0))
1398 if (verbose > 0 || is_last_report) {
1399 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1401 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1402 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1403 (double)total_size / 1024, ti1, bitrate);
1405 if (nb_frames_dup || nb_frames_drop)
1406 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1407 nb_frames_dup, nb_frames_drop);
1410 fprintf(stderr, "%s \r", buf);
1415 if (is_last_report && verbose >= 0){
1416 int64_t raw= audio_size + video_size + extra_size;
1417 fprintf(stderr, "\n");
1418 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1422 100.0*(total_size - raw)/raw
1427 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1429 int fill_char = 0x00;
1430 if (sample_fmt == AV_SAMPLE_FMT_U8)
1432 memset(buf, fill_char, size);
1435 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1439 for (i = 0; i < nb_ostreams; i++) {
1440 OutputStream *ost = &ost_table[i];
1441 AVCodecContext *enc = ost->st->codec;
1442 AVFormatContext *os = output_files[ost->file_index].ctx;
1444 if (!ost->encoding_needed)
1447 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1449 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1455 av_init_packet(&pkt);
1456 pkt.stream_index= ost->index;
1458 switch (ost->st->codec->codec_type) {
1459 case AVMEDIA_TYPE_AUDIO:
1460 fifo_bytes = av_fifo_size(ost->fifo);
1462 /* encode any samples remaining in fifo */
1463 if (fifo_bytes > 0) {
1464 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1465 int fs_tmp = enc->frame_size;
1467 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1468 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1469 enc->frame_size = fifo_bytes / (osize * enc->channels);
1471 int frame_bytes = enc->frame_size*osize*enc->channels;
1472 if (allocated_audio_buf_size < frame_bytes)
1474 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1477 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1478 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1479 ost->st->time_base.num, enc->sample_rate);
1480 enc->frame_size = fs_tmp;
1483 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1486 fprintf(stderr, "Audio encoding failed\n");
1490 pkt.flags |= AV_PKT_FLAG_KEY;
1492 case AVMEDIA_TYPE_VIDEO:
1493 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1495 fprintf(stderr, "Video encoding failed\n");
1499 if(enc->coded_frame && enc->coded_frame->key_frame)
1500 pkt.flags |= AV_PKT_FLAG_KEY;
1501 if (ost->logfile && enc->stats_out) {
1502 fprintf(ost->logfile, "%s", enc->stats_out);
1511 pkt.data = bit_buffer;
1513 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1514 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1515 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1520 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1521 static int output_packet(InputStream *ist, int ist_index,
1522 OutputStream *ost_table, int nb_ostreams,
1523 const AVPacket *pkt)
1525 AVFormatContext *os;
1530 void *buffer_to_free = NULL;
1531 static unsigned int samples_size= 0;
1532 AVSubtitle subtitle, *subtitle_to_free;
1533 int64_t pkt_pts = AV_NOPTS_VALUE;
1535 int frame_available;
1540 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1542 if(ist->next_pts == AV_NOPTS_VALUE)
1543 ist->next_pts= ist->pts;
1547 av_init_packet(&avpkt);
1555 if(pkt->dts != AV_NOPTS_VALUE)
1556 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1557 if(pkt->pts != AV_NOPTS_VALUE)
1558 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1560 //while we have more to decode or while the decoder did output something on EOF
1561 while (avpkt.size > 0 || (!pkt && got_output)) {
1562 uint8_t *data_buf, *decoded_data_buf;
1563 int data_size, decoded_data_size;
1565 ist->pts= ist->next_pts;
1567 if(avpkt.size && avpkt.size != pkt->size &&
1568 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1569 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1570 ist->showed_multi_packet_warning=1;
1573 /* decode the packet if needed */
1574 decoded_data_buf = NULL; /* fail safe */
1575 decoded_data_size= 0;
1576 data_buf = avpkt.data;
1577 data_size = avpkt.size;
1578 subtitle_to_free = NULL;
1579 if (ist->decoding_needed) {
1580 switch(ist->st->codec->codec_type) {
1581 case AVMEDIA_TYPE_AUDIO:{
1582 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1583 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1585 samples= av_malloc(samples_size);
1587 decoded_data_size= samples_size;
1588 /* XXX: could avoid copy if PCM 16 bits with same
1589 endianness as CPU */
1590 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1597 got_output = decoded_data_size > 0;
1598 /* Some bug in mpeg audio decoder gives */
1599 /* decoded_data_size < 0, it seems they are overflows */
1601 /* no audio frame */
1604 decoded_data_buf = (uint8_t *)samples;
1605 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1606 (ist->st->codec->sample_rate * ist->st->codec->channels);
1608 case AVMEDIA_TYPE_VIDEO:
1609 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1610 /* XXX: allocate picture correctly */
1611 avcodec_get_frame_defaults(&picture);
1612 avpkt.pts = pkt_pts;
1613 avpkt.dts = ist->pts;
1614 pkt_pts = AV_NOPTS_VALUE;
1616 ret = avcodec_decode_video2(ist->st->codec,
1617 &picture, &got_output, &avpkt);
1618 quality = same_quant ? picture.quality : 0;
1622 /* no picture yet */
1623 goto discard_packet;
1625 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1626 if (ist->st->codec->time_base.num != 0) {
1627 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1628 ist->next_pts += ((int64_t)AV_TIME_BASE *
1629 ist->st->codec->time_base.num * ticks) /
1630 ist->st->codec->time_base.den;
1633 buffer_to_free = NULL;
1634 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1636 case AVMEDIA_TYPE_SUBTITLE:
1637 ret = avcodec_decode_subtitle2(ist->st->codec,
1638 &subtitle, &got_output, &avpkt);
1642 goto discard_packet;
1644 subtitle_to_free = &subtitle;
1651 switch(ist->st->codec->codec_type) {
1652 case AVMEDIA_TYPE_AUDIO:
1653 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1654 ist->st->codec->sample_rate;
1656 case AVMEDIA_TYPE_VIDEO:
1657 if (ist->st->codec->time_base.num != 0) {
1658 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1659 ist->next_pts += ((int64_t)AV_TIME_BASE *
1660 ist->st->codec->time_base.num * ticks) /
1661 ist->st->codec->time_base.den;
1668 // preprocess audio (volume)
1669 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1670 if (audio_volume != 256) {
1673 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1674 int v = ((*volp) * audio_volume + 128) >> 8;
1675 *volp++ = av_clip_int16(v);
1680 /* frame rate emulation */
1681 if (input_files[ist->file_index].rate_emu) {
1682 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1683 int64_t now = av_gettime() - ist->start;
1687 /* if output time reached then transcode raw format,
1688 encode packets and output them */
1689 for (i = 0; i < nb_ostreams; i++) {
1690 OutputFile *of = &output_files[ost_table[i].file_index];
1693 ost = &ost_table[i];
1694 if (ost->source_index != ist_index)
1697 if (of->start_time && ist->pts < of->start_time)
1700 if (of->recording_time != INT64_MAX &&
1701 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1702 (AVRational){1, 1000000}) >= 0) {
1703 ost->is_past_recording_time = 1;
1708 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1709 ost->input_video_filter) {
1711 if (ist->st->sample_aspect_ratio.num)
1712 sar = ist->st->sample_aspect_ratio;
1714 sar = ist->st->codec->sample_aspect_ratio;
1715 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1717 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1718 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1719 while (frame_available) {
1720 AVRational ist_pts_tb;
1721 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1722 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1724 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1726 os = output_files[ost->file_index].ctx;
1728 /* set the input output pts pairs */
1729 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1731 if (ost->encoding_needed) {
1732 av_assert0(ist->decoding_needed);
1733 switch(ost->st->codec->codec_type) {
1734 case AVMEDIA_TYPE_AUDIO:
1735 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1737 case AVMEDIA_TYPE_VIDEO:
1739 if (ost->picref->video && !ost->frame_aspect_ratio)
1740 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1742 do_video_out(os, ost, ist, &picture, &frame_size,
1743 same_quant ? quality : ost->st->codec->global_quality);
1744 if (vstats_filename && frame_size)
1745 do_video_stats(os, ost, frame_size);
1747 case AVMEDIA_TYPE_SUBTITLE:
1748 do_subtitle_out(os, ost, ist, &subtitle,
1755 AVFrame avframe; //FIXME/XXX remove this
1757 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1759 av_init_packet(&opkt);
1761 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1762 #if !CONFIG_AVFILTER
1768 /* no reencoding needed : output the packet directly */
1769 /* force the input stream PTS */
1771 avcodec_get_frame_defaults(&avframe);
1772 ost->st->codec->coded_frame= &avframe;
1773 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1775 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1776 audio_size += data_size;
1777 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1778 video_size += data_size;
1782 opkt.stream_index= ost->index;
1783 if(pkt->pts != AV_NOPTS_VALUE)
1784 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1786 opkt.pts= AV_NOPTS_VALUE;
1788 if (pkt->dts == AV_NOPTS_VALUE)
1789 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1791 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1792 opkt.dts -= ost_tb_start_time;
1794 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1795 opkt.flags= pkt->flags;
1797 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1798 if( ost->st->codec->codec_id != CODEC_ID_H264
1799 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1800 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1802 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1803 opkt.destruct= av_destruct_packet;
1805 opkt.data = data_buf;
1806 opkt.size = data_size;
1809 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1810 ost->st->codec->frame_number++;
1811 ost->frame_number++;
1812 av_free_packet(&opkt);
1816 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1817 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1819 avfilter_unref_buffer(ost->picref);
1824 av_free(buffer_to_free);
1825 /* XXX: allocate the subtitles in the codec ? */
1826 if (subtitle_to_free) {
1827 avsubtitle_free(subtitle_to_free);
1828 subtitle_to_free = NULL;
1836 static void print_sdp(OutputFile *output_files, int n)
1840 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1844 for (i = 0; i < n; i++)
1845 avc[i] = output_files[i].ctx;
1847 av_sdp_create(avc, n, sdp, sizeof(sdp));
1848 printf("SDP:\n%s\n", sdp);
1853 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1854 char *error, int error_len)
1857 InputStream *ist = &input_streams[ist_index];
1858 if (ist->decoding_needed) {
1859 AVCodec *codec = ist->dec;
1861 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1862 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1863 return AVERROR(EINVAL);
1866 /* update requested sample format for the decoder based on the
1867 corresponding encoder sample format */
1868 for (i = 0; i < nb_output_streams; i++) {
1869 OutputStream *ost = &output_streams[i];
1870 if (ost->source_index == ist_index) {
1871 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1876 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1877 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1878 ist->file_index, ist->st->index);
1879 return AVERROR(EINVAL);
1881 assert_codec_experimental(ist->st->codec, 0);
1882 assert_avoptions(ist->opts);
1885 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;
1886 ist->next_pts = AV_NOPTS_VALUE;
1887 init_pts_correction(&ist->pts_ctx);
1893 static int transcode_init(OutputFile *output_files,
1894 int nb_output_files,
1895 InputFile *input_files,
1898 int ret = 0, i, j, k;
1899 AVFormatContext *os;
1900 AVCodecContext *codec, *icodec;
1906 /* init framerate emulation */
1907 for (i = 0; i < nb_input_files; i++) {
1908 InputFile *ifile = &input_files[i];
1909 if (ifile->rate_emu)
1910 for (j = 0; j < ifile->nb_streams; j++)
1911 input_streams[j + ifile->ist_index].start = av_gettime();
1914 /* output stream init */
1915 for(i=0;i<nb_output_files;i++) {
1916 os = output_files[i].ctx;
1917 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1918 av_dump_format(os, i, os->filename, 1);
1919 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1920 return AVERROR(EINVAL);
1924 /* for each output stream, we compute the right encoding parameters */
1925 for (i = 0; i < nb_output_streams; i++) {
1926 ost = &output_streams[i];
1927 os = output_files[ost->file_index].ctx;
1928 ist = &input_streams[ost->source_index];
1930 codec = ost->st->codec;
1931 icodec = ist->st->codec;
1933 ost->st->disposition = ist->st->disposition;
1934 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1935 codec->chroma_sample_location = icodec->chroma_sample_location;
1937 if (ost->st->stream_copy) {
1938 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1940 if (extra_size > INT_MAX) {
1941 return AVERROR(EINVAL);
1944 /* if stream_copy is selected, no need to decode or encode */
1945 codec->codec_id = icodec->codec_id;
1946 codec->codec_type = icodec->codec_type;
1948 if(!codec->codec_tag){
1949 if( !os->oformat->codec_tag
1950 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1951 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1952 codec->codec_tag = icodec->codec_tag;
1955 codec->bit_rate = icodec->bit_rate;
1956 codec->rc_max_rate = icodec->rc_max_rate;
1957 codec->rc_buffer_size = icodec->rc_buffer_size;
1958 codec->extradata= av_mallocz(extra_size);
1959 if (!codec->extradata) {
1960 return AVERROR(ENOMEM);
1962 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1963 codec->extradata_size= icodec->extradata_size;
1964 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){
1965 codec->time_base = icodec->time_base;
1966 codec->time_base.num *= icodec->ticks_per_frame;
1967 av_reduce(&codec->time_base.num, &codec->time_base.den,
1968 codec->time_base.num, codec->time_base.den, INT_MAX);
1970 codec->time_base = ist->st->time_base;
1971 switch(codec->codec_type) {
1972 case AVMEDIA_TYPE_AUDIO:
1973 if(audio_volume != 256) {
1974 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1977 codec->channel_layout = icodec->channel_layout;
1978 codec->sample_rate = icodec->sample_rate;
1979 codec->channels = icodec->channels;
1980 codec->frame_size = icodec->frame_size;
1981 codec->audio_service_type = icodec->audio_service_type;
1982 codec->block_align= icodec->block_align;
1983 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1984 codec->block_align= 0;
1985 if(codec->codec_id == CODEC_ID_AC3)
1986 codec->block_align= 0;
1988 case AVMEDIA_TYPE_VIDEO:
1989 codec->pix_fmt = icodec->pix_fmt;
1990 codec->width = icodec->width;
1991 codec->height = icodec->height;
1992 codec->has_b_frames = icodec->has_b_frames;
1993 if (!codec->sample_aspect_ratio.num) {
1994 codec->sample_aspect_ratio =
1995 ost->st->sample_aspect_ratio =
1996 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1997 ist->st->codec->sample_aspect_ratio.num ?
1998 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2001 case AVMEDIA_TYPE_SUBTITLE:
2002 codec->width = icodec->width;
2003 codec->height = icodec->height;
2005 case AVMEDIA_TYPE_DATA:
2012 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2013 switch(codec->codec_type) {
2014 case AVMEDIA_TYPE_AUDIO:
2015 ost->fifo= av_fifo_alloc(1024);
2017 return AVERROR(ENOMEM);
2019 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2020 if (!codec->sample_rate) {
2021 codec->sample_rate = icodec->sample_rate;
2023 codec->sample_rate >>= icodec->lowres;
2025 choose_sample_rate(ost->st, ost->enc);
2026 codec->time_base = (AVRational){1, codec->sample_rate};
2027 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2028 codec->sample_fmt = icodec->sample_fmt;
2029 choose_sample_fmt(ost->st, ost->enc);
2030 if (!codec->channels)
2031 codec->channels = icodec->channels;
2032 codec->channel_layout = icodec->channel_layout;
2033 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2034 codec->channel_layout = 0;
2035 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2036 icodec->request_channels = codec->channels;
2037 ist->decoding_needed = 1;
2038 ost->encoding_needed = 1;
2039 ost->resample_sample_fmt = icodec->sample_fmt;
2040 ost->resample_sample_rate = icodec->sample_rate;
2041 ost->resample_channels = icodec->channels;
2043 case AVMEDIA_TYPE_VIDEO:
2044 if (codec->pix_fmt == PIX_FMT_NONE)
2045 codec->pix_fmt = icodec->pix_fmt;
2046 choose_pixel_fmt(ost->st, ost->enc);
2048 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2049 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2053 if (!codec->width || !codec->height) {
2054 codec->width = icodec->width;
2055 codec->height = icodec->height;
2058 ost->video_resample = codec->width != icodec->width ||
2059 codec->height != icodec->height ||
2060 codec->pix_fmt != icodec->pix_fmt;
2061 if (ost->video_resample) {
2062 #if !CONFIG_AVFILTER
2063 avcodec_get_frame_defaults(&ost->pict_tmp);
2064 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2065 codec->width, codec->height)) {
2066 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2069 ost->img_resample_ctx = sws_getContext(
2076 ost->sws_flags, NULL, NULL, NULL);
2077 if (ost->img_resample_ctx == NULL) {
2078 fprintf(stderr, "Cannot get resampling context\n");
2082 codec->bits_per_raw_sample= 0;
2085 ost->resample_height = icodec->height;
2086 ost->resample_width = icodec->width;
2087 ost->resample_pix_fmt= icodec->pix_fmt;
2088 ost->encoding_needed = 1;
2089 ist->decoding_needed = 1;
2091 if (!ost->frame_rate.num)
2092 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2093 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2094 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2095 ost->frame_rate = ost->enc->supported_framerates[idx];
2097 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2100 if (configure_video_filters(ist, ost)) {
2101 fprintf(stderr, "Error opening filters!\n");
2106 case AVMEDIA_TYPE_SUBTITLE:
2107 ost->encoding_needed = 1;
2108 ist->decoding_needed = 1;
2115 if (ost->encoding_needed &&
2116 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2117 char logfilename[1024];
2120 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2121 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2123 if (codec->flags & CODEC_FLAG_PASS1) {
2124 f = fopen(logfilename, "wb");
2126 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2132 size_t logbuffer_size;
2133 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2134 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2137 codec->stats_in = logbuffer;
2141 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2142 int size= codec->width * codec->height;
2143 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2148 bit_buffer = av_malloc(bit_buffer_size);
2150 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2152 return AVERROR(ENOMEM);
2155 /* open each encoder */
2156 for (i = 0; i < nb_output_streams; i++) {
2157 ost = &output_streams[i];
2158 if (ost->encoding_needed) {
2159 AVCodec *codec = ost->enc;
2160 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2162 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2163 ost->st->codec->codec_id, ost->file_index, ost->index);
2164 ret = AVERROR(EINVAL);
2167 if (dec->subtitle_header) {
2168 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2169 if (!ost->st->codec->subtitle_header) {
2170 ret = AVERROR(ENOMEM);
2173 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2174 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2176 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2177 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2178 ost->file_index, ost->index);
2179 ret = AVERROR(EINVAL);
2182 assert_codec_experimental(ost->st->codec, 1);
2183 assert_avoptions(ost->opts);
2184 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2185 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2186 "It takes bits/s as argument, not kbits/s\n");
2187 extra_size += ost->st->codec->extradata_size;
2189 if (ost->st->codec->me_threshold)
2190 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2194 /* init input streams */
2195 for (i = 0; i < nb_input_streams; i++)
2196 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2199 /* discard unused programs */
2200 for (i = 0; i < nb_input_files; i++) {
2201 InputFile *ifile = &input_files[i];
2202 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2203 AVProgram *p = ifile->ctx->programs[j];
2204 int discard = AVDISCARD_ALL;
2206 for (k = 0; k < p->nb_stream_indexes; k++)
2207 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2208 discard = AVDISCARD_DEFAULT;
2211 p->discard = discard;
2215 /* open files and write file headers */
2216 for (i = 0; i < nb_output_files; i++) {
2217 os = output_files[i].ctx;
2218 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2219 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2220 ret = AVERROR(EINVAL);
2223 assert_avoptions(output_files[i].opts);
2224 if (strcmp(os->oformat->name, "rtp")) {
2230 /* dump the file output parameters - cannot be done before in case
2232 for(i=0;i<nb_output_files;i++) {
2233 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2236 /* dump the stream mapping */
2238 fprintf(stderr, "Stream mapping:\n");
2239 for (i = 0; i < nb_output_streams;i ++) {
2240 ost = &output_streams[i];
2241 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2242 input_streams[ost->source_index].file_index,
2243 input_streams[ost->source_index].st->index,
2246 if (ost->sync_ist != &input_streams[ost->source_index])
2247 fprintf(stderr, " [sync #%d.%d]",
2248 ost->sync_ist->file_index,
2249 ost->sync_ist->st->index);
2250 if (ost->st->stream_copy)
2251 fprintf(stderr, " (copy)");
2253 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2254 input_streams[ost->source_index].dec->name : "?",
2255 ost->enc ? ost->enc->name : "?");
2256 fprintf(stderr, "\n");
2261 fprintf(stderr, "%s\n", error);
2266 print_sdp(output_files, nb_output_files);
2273 * The following code is the main loop of the file converter
2275 static int transcode(OutputFile *output_files,
2276 int nb_output_files,
2277 InputFile *input_files,
2281 AVFormatContext *is, *os;
2285 int no_packet_count=0;
2286 int64_t timer_start;
2288 if (!(no_packet = av_mallocz(nb_input_files)))
2291 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2296 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2299 timer_start = av_gettime();
2301 for(; received_sigterm == 0;) {
2302 int file_index, ist_index;
2307 ipts_min = INT64_MAX;
2310 /* select the stream that we must read now by looking at the
2311 smallest output pts */
2313 for (i = 0; i < nb_output_streams; i++) {
2317 ost = &output_streams[i];
2318 of = &output_files[ost->file_index];
2319 os = output_files[ost->file_index].ctx;
2320 ist = &input_streams[ost->source_index];
2321 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2322 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2324 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2326 if (!input_files[ist->file_index].eof_reached){
2327 if(ipts < ipts_min) {
2329 if(input_sync ) file_index = ist->file_index;
2331 if(opts < opts_min) {
2333 if(!input_sync) file_index = ist->file_index;
2336 if (ost->frame_number >= ost->max_frames) {
2338 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2339 output_streams[j].is_past_recording_time = 1;
2343 /* if none, if is finished */
2344 if (file_index < 0) {
2345 if(no_packet_count){
2347 memset(no_packet, 0, nb_input_files);
2354 /* read a frame from it and output it in the fifo */
2355 is = input_files[file_index].ctx;
2356 ret= av_read_frame(is, &pkt);
2357 if(ret == AVERROR(EAGAIN)){
2358 no_packet[file_index]=1;
2363 input_files[file_index].eof_reached = 1;
2371 memset(no_packet, 0, nb_input_files);
2374 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2375 is->streams[pkt.stream_index]);
2377 /* the following test is needed in case new streams appear
2378 dynamically in stream : we ignore them */
2379 if (pkt.stream_index >= input_files[file_index].nb_streams)
2380 goto discard_packet;
2381 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2382 ist = &input_streams[ist_index];
2384 goto discard_packet;
2386 if (pkt.dts != AV_NOPTS_VALUE)
2387 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2388 if (pkt.pts != AV_NOPTS_VALUE)
2389 pkt.pts += 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 *= ist->ts_scale;
2393 if(pkt.dts != AV_NOPTS_VALUE)
2394 pkt.dts *= ist->ts_scale;
2396 // 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);
2397 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2398 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2399 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2400 int64_t delta= pkt_dts - ist->next_pts;
2401 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2402 input_files[ist->file_index].ts_offset -= delta;
2404 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2405 delta, input_files[ist->file_index].ts_offset);
2406 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2407 if(pkt.pts != AV_NOPTS_VALUE)
2408 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2412 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2413 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2416 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2417 ist->file_index, ist->st->index);
2420 av_free_packet(&pkt);
2425 av_free_packet(&pkt);
2427 /* dump report by using the output first video and audio streams */
2428 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2431 /* at the end of stream, we must flush the decoder buffers */
2432 for (i = 0; i < nb_input_streams; i++) {
2433 ist = &input_streams[i];
2434 if (ist->decoding_needed) {
2435 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2438 flush_encoders(output_streams, nb_output_streams);
2442 /* write the trailer if needed and close file */
2443 for(i=0;i<nb_output_files;i++) {
2444 os = output_files[i].ctx;
2445 av_write_trailer(os);
2448 /* dump report by using the first video and audio streams */
2449 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2451 /* close each encoder */
2452 for (i = 0; i < nb_output_streams; i++) {
2453 ost = &output_streams[i];
2454 if (ost->encoding_needed) {
2455 av_freep(&ost->st->codec->stats_in);
2456 avcodec_close(ost->st->codec);
2459 avfilter_graph_free(&ost->graph);
2463 /* close each decoder */
2464 for (i = 0; i < nb_input_streams; i++) {
2465 ist = &input_streams[i];
2466 if (ist->decoding_needed) {
2467 avcodec_close(ist->st->codec);
2475 av_freep(&bit_buffer);
2476 av_freep(&no_packet);
2478 if (output_streams) {
2479 for (i = 0; i < nb_output_streams; i++) {
2480 ost = &output_streams[i];
2482 if (ost->st->stream_copy)
2483 av_freep(&ost->st->codec->extradata);
2485 fclose(ost->logfile);
2486 ost->logfile = NULL;
2488 av_fifo_free(ost->fifo); /* works even if fifo is not
2489 initialized but set to zero */
2490 av_freep(&ost->st->codec->subtitle_header);
2491 av_free(ost->pict_tmp.data[0]);
2492 av_free(ost->forced_kf_pts);
2493 if (ost->video_resample)
2494 sws_freeContext(ost->img_resample_ctx);
2496 audio_resample_close(ost->resample);
2497 if (ost->reformat_ctx)
2498 av_audio_convert_free(ost->reformat_ctx);
2499 av_dict_free(&ost->opts);
2506 static int opt_verbose(const char *opt, const char *arg)
2508 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2512 static double parse_frame_aspect_ratio(const char *arg)
2519 p = strchr(arg, ':');
2521 x = strtol(arg, &end, 10);
2523 y = strtol(end+1, &end, 10);
2525 ar = (double)x / (double)y;
2527 ar = strtod(arg, NULL);
2530 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2536 static int opt_top_field_first(const char *opt, const char *arg)
2538 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2542 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2544 return parse_option(o, "codec:a", arg, options);
2547 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2549 return parse_option(o, "codec:v", arg, options);
2552 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2554 return parse_option(o, "codec:s", arg, options);
2557 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2559 return parse_option(o, "codec:d", arg, options);
2562 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2564 StreamMap *m = NULL;
2565 int i, negative = 0, file_idx;
2566 int sync_file_idx = -1, sync_stream_idx;
2574 map = av_strdup(arg);
2576 /* parse sync stream first, just pick first matching stream */
2577 if (sync = strchr(map, ',')) {
2579 sync_file_idx = strtol(sync + 1, &sync, 0);
2580 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2581 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2586 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2587 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2588 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2589 sync_stream_idx = i;
2592 if (i == input_files[sync_file_idx].nb_streams) {
2593 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2594 "match any streams.\n", arg);
2600 file_idx = strtol(map, &p, 0);
2601 if (file_idx >= nb_input_files || file_idx < 0) {
2602 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2606 /* disable some already defined maps */
2607 for (i = 0; i < o->nb_stream_maps; i++) {
2608 m = &o->stream_maps[i];
2609 if (check_stream_specifier(input_files[m->file_index].ctx,
2610 input_files[m->file_index].ctx->streams[m->stream_index],
2611 *p == ':' ? p + 1 : p) > 0)
2615 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2616 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2617 *p == ':' ? p + 1 : p) <= 0)
2619 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2620 &o->nb_stream_maps, o->nb_stream_maps + 1);
2621 m = &o->stream_maps[o->nb_stream_maps - 1];
2623 m->file_index = file_idx;
2624 m->stream_index = i;
2626 if (sync_file_idx >= 0) {
2627 m->sync_file_index = sync_file_idx;
2628 m->sync_stream_index = sync_stream_idx;
2630 m->sync_file_index = file_idx;
2631 m->sync_stream_index = i;
2636 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2644 static void parse_meta_type(char *arg, char *type, int *index)
2654 if (*(++arg) == ':')
2655 *index = strtol(++arg, NULL, 0);
2658 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2665 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2667 MetadataMap *m, *m1;
2670 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2671 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2673 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2674 m->file = strtol(arg, &p, 0);
2675 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2677 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2678 if (p = strchr(opt, ':'))
2679 parse_meta_type(p + 1, &m1->type, &m1->index);
2683 if (m->type == 'g' || m1->type == 'g')
2684 o->metadata_global_manual = 1;
2685 if (m->type == 's' || m1->type == 's')
2686 o->metadata_streams_manual = 1;
2687 if (m->type == 'c' || m1->type == 'c')
2688 o->metadata_chapters_manual = 1;
2693 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2695 const char *codec_string = encoder ? "encoder" : "decoder";
2699 return CODEC_ID_NONE;
2701 avcodec_find_encoder_by_name(name) :
2702 avcodec_find_decoder_by_name(name);
2704 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2707 if(codec->type != type) {
2708 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2714 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2716 char *codec_name = NULL;
2718 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2722 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2723 return avcodec_find_encoder(st->codec->codec_id);
2725 } else if (!strcmp(codec_name, "copy"))
2726 st->stream_copy = 1;
2728 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2729 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2730 avcodec_find_decoder_by_name(codec_name);
2737 * Add all the streams from the given input file to the global
2738 * list of input streams.
2740 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2742 int i, rfps, rfps_base;
2744 for (i = 0; i < ic->nb_streams; i++) {
2745 AVStream *st = ic->streams[i];
2746 AVCodecContext *dec = st->codec;
2750 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2751 ist = &input_streams[nb_input_streams - 1];
2753 ist->file_index = nb_input_files;
2755 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2757 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2758 ist->ts_scale = scale;
2760 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2762 ist->dec = avcodec_find_decoder(dec->codec_id);
2764 switch (dec->codec_type) {
2765 case AVMEDIA_TYPE_AUDIO:
2766 if (o->audio_disable)
2767 st->discard= AVDISCARD_ALL;
2769 case AVMEDIA_TYPE_VIDEO:
2770 rfps = ic->streams[i]->r_frame_rate.num;
2771 rfps_base = ic->streams[i]->r_frame_rate.den;
2773 dec->flags |= CODEC_FLAG_EMU_EDGE;
2774 dec->height >>= dec->lowres;
2775 dec->width >>= dec->lowres;
2778 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2781 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2782 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2784 (float)rfps / rfps_base, rfps, rfps_base);
2787 if (o->video_disable)
2788 st->discard= AVDISCARD_ALL;
2789 else if(video_discard)
2790 st->discard= video_discard;
2792 case AVMEDIA_TYPE_DATA:
2794 case AVMEDIA_TYPE_SUBTITLE:
2795 if (o->subtitle_disable)
2796 st->discard = AVDISCARD_ALL;
2798 case AVMEDIA_TYPE_ATTACHMENT:
2799 case AVMEDIA_TYPE_UNKNOWN:
2807 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2809 AVFormatContext *ic;
2810 AVInputFormat *file_iformat = NULL;
2814 AVDictionary **opts;
2815 int orig_nb_streams; // number of streams before avformat_find_stream_info
2818 if (!(file_iformat = av_find_input_format(o->format))) {
2819 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2824 if (!strcmp(filename, "-"))
2827 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2828 !strcmp(filename, "/dev/stdin");
2830 /* get default parameters from command line */
2831 ic = avformat_alloc_context();
2833 print_error(filename, AVERROR(ENOMEM));
2836 if (o->nb_audio_sample_rate) {
2837 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
2838 av_dict_set(&format_opts, "sample_rate", buf, 0);
2840 if (o->nb_audio_channels) {
2841 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
2842 av_dict_set(&format_opts, "channels", buf, 0);
2844 if (o->nb_frame_rates) {
2845 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
2847 if (o->nb_frame_sizes) {
2848 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
2850 if (o->nb_frame_pix_fmts)
2851 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
2853 ic->flags |= AVFMT_FLAG_NONBLOCK;
2855 /* open the input file with generic libav function */
2856 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2858 print_error(filename, err);
2861 assert_avoptions(format_opts);
2863 /* apply forced codec ids */
2864 for (i = 0; i < ic->nb_streams; i++)
2865 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2867 /* Set AVCodecContext options for avformat_find_stream_info */
2868 opts = setup_find_stream_info_opts(ic, codec_opts);
2869 orig_nb_streams = ic->nb_streams;
2871 /* If not enough info to get the stream parameters, we decode the
2872 first frames to get it. (used in mpeg case for example) */
2873 ret = avformat_find_stream_info(ic, opts);
2874 if (ret < 0 && verbose >= 0) {
2875 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2876 av_close_input_file(ic);
2880 timestamp = o->start_time;
2881 /* add the stream start time */
2882 if (ic->start_time != AV_NOPTS_VALUE)
2883 timestamp += ic->start_time;
2885 /* if seeking requested, we execute it */
2886 if (o->start_time != 0) {
2887 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2889 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2890 filename, (double)timestamp / AV_TIME_BASE);
2894 /* update the current parameters so that they match the one of the input stream */
2895 add_input_streams(o, ic);
2897 /* dump the file content */
2899 av_dump_format(ic, nb_input_files, filename, 0);
2901 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2902 input_files[nb_input_files - 1].ctx = ic;
2903 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
2904 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
2905 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
2907 for (i = 0; i < orig_nb_streams; i++)
2908 av_dict_free(&opts[i]);
2915 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2916 AVCodecContext *avctx)
2922 for (p = kf; *p; p++)
2925 ost->forced_kf_count = n;
2926 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2927 if (!ost->forced_kf_pts) {
2928 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2931 for (i = 0; i < n; i++) {
2932 p = i ? strchr(p, ',') + 1 : kf;
2933 t = parse_time_or_die("force_key_frames", p, 1);
2934 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2938 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
2941 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
2942 int idx = oc->nb_streams - 1;
2943 int64_t max_frames = INT64_MAX;
2944 char *bsf = NULL, *next, *codec_tag = NULL;
2945 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
2949 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
2953 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
2954 nb_output_streams + 1);
2955 ost = &output_streams[nb_output_streams - 1];
2956 ost->file_index = nb_output_files;
2959 st->codec->codec_type = type;
2960 ost->enc = choose_codec(o, oc, st, type);
2962 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
2965 avcodec_get_context_defaults3(st->codec, ost->enc);
2966 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
2968 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
2969 ost->max_frames = max_frames;
2971 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
2973 if (next = strchr(bsf, ','))
2975 if (!(bsfc = av_bitstream_filter_init(bsf))) {
2976 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
2980 bsfc_prev->next = bsfc;
2982 ost->bitstream_filters = bsfc;
2988 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
2990 uint32_t tag = strtol(codec_tag, &next, 0);
2992 tag = AV_RL32(codec_tag);
2993 st->codec->codec_tag = tag;
2996 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
2997 if (qscale >= 0 || same_quant) {
2998 st->codec->flags |= CODEC_FLAG_QSCALE;
2999 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3002 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3006 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3010 AVCodecContext *video_enc;
3012 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3014 if (!st->stream_copy) {
3016 ost->avfilter= vfilters;
3021 video_enc = st->codec;
3023 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3024 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3027 if (!st->stream_copy) {
3028 const char *p = NULL;
3029 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3030 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3031 int i, force_fps = 0;
3033 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3034 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3035 av_log(NULL, AV_LOG_ERROR, "Invalid framerate value: %s\n", frame_rate);
3039 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3040 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3041 av_log(NULL, AV_LOG_ERROR, "Invalid frame size: %s.\n", frame_size);
3045 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3046 if (frame_aspect_ratio)
3047 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3049 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3050 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3051 av_log(NULL, AV_LOG_ERROR, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3054 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3057 video_enc->intra_matrix = intra_matrix;
3059 video_enc->inter_matrix = inter_matrix;
3061 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3064 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3066 fprintf(stderr, "error parsing rc_override\n");
3069 video_enc->rc_override=
3070 av_realloc(video_enc->rc_override,
3071 sizeof(RcOverride)*(i+1));
3072 video_enc->rc_override[i].start_frame= start;
3073 video_enc->rc_override[i].end_frame = end;
3075 video_enc->rc_override[i].qscale= q;
3076 video_enc->rc_override[i].quality_factor= 1.0;
3079 video_enc->rc_override[i].qscale= 0;
3080 video_enc->rc_override[i].quality_factor= -q/100.0;
3085 video_enc->rc_override_count=i;
3086 if (!video_enc->rc_initial_buffer_occupancy)
3087 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3088 video_enc->intra_dc_precision= intra_dc_precision - 8;
3093 video_enc->flags |= CODEC_FLAG_PASS1;
3095 video_enc->flags |= CODEC_FLAG_PASS2;
3099 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3100 if (forced_key_frames)
3101 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3103 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3104 ost->force_fps = force_fps;
3110 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3114 AVCodecContext *audio_enc;
3116 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3119 audio_enc = st->codec;
3120 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3122 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3123 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3125 if (!st->stream_copy) {
3126 char *sample_fmt = NULL;
3128 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3130 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3132 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3133 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", sample_fmt);
3137 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3143 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3147 AVCodecContext *data_enc;
3149 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3151 data_enc = st->codec;
3152 if (!st->stream_copy) {
3153 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3157 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3158 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3164 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3168 AVCodecContext *subtitle_enc;
3170 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3172 subtitle_enc = st->codec;
3174 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3176 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3177 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3183 /* arg format is "output-stream-index:streamid-value". */
3184 static int opt_streamid(const char *opt, const char *arg)
3190 av_strlcpy(idx_str, arg, sizeof(idx_str));
3191 p = strchr(idx_str, ':');
3194 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3199 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3200 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3201 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3205 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3207 AVFormatContext *is = ifile->ctx;
3208 AVFormatContext *os = ofile->ctx;
3211 for (i = 0; i < is->nb_chapters; i++) {
3212 AVChapter *in_ch = is->chapters[i], *out_ch;
3213 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3214 AV_TIME_BASE_Q, in_ch->time_base);
3215 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3216 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3219 if (in_ch->end < ts_off)
3221 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3224 out_ch = av_mallocz(sizeof(AVChapter));
3226 return AVERROR(ENOMEM);
3228 out_ch->id = in_ch->id;
3229 out_ch->time_base = in_ch->time_base;
3230 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3231 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3234 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3237 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3239 return AVERROR(ENOMEM);
3240 os->chapters[os->nb_chapters - 1] = out_ch;
3245 static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3248 AVFormatContext *ic = NULL;
3250 err = avformat_open_input(&ic, filename, NULL, NULL);
3253 /* copy stream format */
3254 for(i=0;i<ic->nb_streams;i++) {
3259 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3260 ost = new_output_stream(o, s, codec->type);
3263 // FIXME: a more elegant solution is needed
3264 memcpy(st, ic->streams[i], sizeof(AVStream));
3266 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3268 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3269 choose_sample_fmt(st, codec);
3270 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3271 choose_pixel_fmt(st, codec);
3274 av_close_input_file(ic);
3278 static void opt_output_file(void *optctx, const char *filename)
3280 OptionsContext *o = optctx;
3281 AVFormatContext *oc;
3283 AVOutputFormat *file_oformat;
3287 if (!strcmp(filename, "-"))
3290 oc = avformat_alloc_context();
3292 print_error(filename, AVERROR(ENOMEM));
3297 file_oformat = av_guess_format(o->format, NULL, NULL);
3298 if (!file_oformat) {
3299 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
3303 file_oformat = av_guess_format(NULL, filename, NULL);
3304 if (!file_oformat) {
3305 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3311 oc->oformat = file_oformat;
3312 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3314 if (!strcmp(file_oformat->name, "ffm") &&
3315 av_strstart(filename, "http:", NULL)) {
3316 /* special case for files sent to avserver: we get the stream
3317 parameters from avserver */
3318 int err = read_avserver_streams(o, oc, filename);
3320 print_error(filename, err);
3323 } else if (!o->nb_stream_maps) {
3324 /* pick the "best" stream of each type */
3325 #define NEW_STREAM(type, index)\
3327 ost = new_ ## type ## _stream(o, oc);\
3328 ost->source_index = index;\
3329 ost->sync_ist = &input_streams[index];\
3330 input_streams[index].discard = 0;\
3333 /* video: highest resolution */
3334 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3335 int area = 0, idx = -1;
3336 for (i = 0; i < nb_input_streams; i++) {
3337 ist = &input_streams[i];
3338 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3339 ist->st->codec->width * ist->st->codec->height > area) {
3340 area = ist->st->codec->width * ist->st->codec->height;
3344 NEW_STREAM(video, idx);
3347 /* audio: most channels */
3348 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3349 int channels = 0, idx = -1;
3350 for (i = 0; i < nb_input_streams; i++) {
3351 ist = &input_streams[i];
3352 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3353 ist->st->codec->channels > channels) {
3354 channels = ist->st->codec->channels;
3358 NEW_STREAM(audio, idx);
3361 /* subtitles: pick first */
3362 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3363 for (i = 0; i < nb_input_streams; i++)
3364 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3365 NEW_STREAM(subtitle, i);
3369 /* do something with data? */
3371 for (i = 0; i < o->nb_stream_maps; i++) {
3372 StreamMap *map = &o->stream_maps[i];
3377 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3378 switch (ist->st->codec->codec_type) {
3379 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3380 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3381 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3382 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3384 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3385 map->file_index, map->stream_index);
3389 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3390 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3391 map->sync_stream_index];
3396 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3397 output_files[nb_output_files - 1].ctx = oc;
3398 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3399 output_files[nb_output_files - 1].recording_time = o->recording_time;
3400 output_files[nb_output_files - 1].start_time = o->start_time;
3401 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3402 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3404 /* check filename in case of an image number is expected */
3405 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3406 if (!av_filename_number_test(oc->filename)) {
3407 print_error(oc->filename, AVERROR(EINVAL));
3412 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3413 /* test if it already exists to avoid loosing precious files */
3414 if (!file_overwrite &&
3415 (strchr(filename, ':') == NULL ||
3416 filename[1] == ':' ||
3417 av_strstart(filename, "file:", NULL))) {
3418 if (avio_check(filename, 0) == 0) {
3420 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3422 if (!read_yesno()) {
3423 fprintf(stderr, "Not overwriting - exiting\n");
3428 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3435 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3436 print_error(filename, err);
3441 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3442 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3443 oc->flags |= AVFMT_FLAG_NONBLOCK;
3446 if (o->chapters_input_file >= nb_input_files) {
3447 if (o->chapters_input_file == INT_MAX) {
3448 /* copy chapters from the first input file that has them*/
3449 o->chapters_input_file = -1;
3450 for (i = 0; i < nb_input_files; i++)
3451 if (input_files[i].ctx->nb_chapters) {
3452 o->chapters_input_file = i;
3456 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3457 o->chapters_input_file);
3461 if (o->chapters_input_file >= 0)
3462 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3463 o->metadata_chapters_manual);
3466 for (i = 0; i < o->nb_meta_data_maps; i++) {
3467 AVFormatContext *files[2];
3468 AVDictionary **meta[2];
3471 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3472 if ((index) < 0 || (index) >= (nb_elems)) {\
3473 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3478 int in_file_index = o->meta_data_maps[i][1].file;
3479 if (in_file_index < 0)
3481 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3484 files[1] = input_files[in_file_index].ctx;
3486 for (j = 0; j < 2; j++) {
3487 MetadataMap *map = &o->meta_data_maps[i][j];
3489 switch (map->type) {
3491 meta[j] = &files[j]->metadata;
3494 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3495 meta[j] = &files[j]->streams[map->index]->metadata;
3498 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3499 meta[j] = &files[j]->chapters[map->index]->metadata;
3502 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3503 meta[j] = &files[j]->programs[map->index]->metadata;
3508 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3511 /* copy global metadata by default */
3512 if (!o->metadata_global_manual && nb_input_files)
3513 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3514 AV_DICT_DONT_OVERWRITE);
3515 if (!o->metadata_streams_manual)
3516 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3517 InputStream *ist = &input_streams[output_streams[i].source_index];
3518 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3521 /* process manually set metadata */
3522 for (i = 0; i < o->nb_metadata; i++) {
3527 val = strchr(o->metadata[i].u.str, '=');
3529 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3530 o->metadata[i].u.str);
3535 parse_meta_type(o->metadata[i].specifier, &type, &index);
3541 if (index < 0 || index >= oc->nb_streams) {
3542 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3545 m = &oc->streams[i]->metadata;
3548 if (index < 0 || index >= oc->nb_chapters) {
3549 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3552 m = &oc->chapters[i]->metadata;
3555 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3559 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3562 av_freep(&streamid_map);
3563 nb_streamid_map = 0;
3568 /* same option as mencoder */
3569 static int opt_pass(const char *opt, const char *arg)
3571 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3575 static int64_t getutime(void)
3578 struct rusage rusage;
3580 getrusage(RUSAGE_SELF, &rusage);
3581 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3582 #elif HAVE_GETPROCESSTIMES
3584 FILETIME c, e, k, u;
3585 proc = GetCurrentProcess();
3586 GetProcessTimes(proc, &c, &e, &k, &u);
3587 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3589 return av_gettime();
3593 static int64_t getmaxrss(void)
3595 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3596 struct rusage rusage;
3597 getrusage(RUSAGE_SELF, &rusage);
3598 return (int64_t)rusage.ru_maxrss * 1024;
3599 #elif HAVE_GETPROCESSMEMORYINFO
3601 PROCESS_MEMORY_COUNTERS memcounters;
3602 proc = GetCurrentProcess();
3603 memcounters.cb = sizeof(memcounters);
3604 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3605 return memcounters.PeakPagefileUsage;
3611 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3614 const char *p = str;
3621 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3628 static void opt_inter_matrix(const char *arg)
3630 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3631 parse_matrix_coeffs(inter_matrix, arg);
3634 static void opt_intra_matrix(const char *arg)
3636 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3637 parse_matrix_coeffs(intra_matrix, arg);
3640 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
3642 return parse_option(o, "q:a", arg, options);
3645 static void show_usage(void)
3647 printf("Hyper fast Audio and Video encoder\n");
3648 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3652 static void show_help(void)
3655 AVOutputFormat *oformat = NULL;
3656 AVInputFormat *iformat = NULL;
3657 const AVClass *class;
3659 av_log_set_callback(log_callback_help);
3661 show_help_options(options, "Main options:\n",
3662 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3663 show_help_options(options, "\nAdvanced options:\n",
3664 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3666 show_help_options(options, "\nVideo options:\n",
3667 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3669 show_help_options(options, "\nAdvanced Video options:\n",
3670 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3671 OPT_VIDEO | OPT_EXPERT);
3672 show_help_options(options, "\nAudio options:\n",
3673 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3675 show_help_options(options, "\nAdvanced Audio options:\n",
3676 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3677 OPT_AUDIO | OPT_EXPERT);
3678 show_help_options(options, "\nSubtitle options:\n",
3679 OPT_SUBTITLE | OPT_GRAB,
3681 show_help_options(options, "\nAudio/Video grab options:\n",
3685 class = avcodec_get_class();
3686 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3689 /* individual codec options */
3691 while ((c = av_codec_next(c))) {
3692 if (c->priv_class) {
3693 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3698 class = avformat_get_class();
3699 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3702 /* individual muxer options */
3703 while ((oformat = av_oformat_next(oformat))) {
3704 if (oformat->priv_class) {
3705 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3710 /* individual demuxer options */
3711 while ((iformat = av_iformat_next(iformat))) {
3712 if (iformat->priv_class) {
3713 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3718 class = sws_get_class();
3719 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3722 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
3724 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3725 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3727 if(!strncmp(arg, "pal-", 4)) {
3730 } else if(!strncmp(arg, "ntsc-", 5)) {
3733 } else if(!strncmp(arg, "film-", 5)) {
3737 /* Try to determine PAL/NTSC by peeking in the input files */
3738 if(nb_input_files) {
3740 for (j = 0; j < nb_input_files; j++) {
3741 for (i = 0; i < input_files[j].nb_streams; i++) {
3742 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3743 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3745 fr = c->time_base.den * 1000 / c->time_base.num;
3749 } else if((fr == 29970) || (fr == 23976)) {
3758 if(verbose > 0 && norm != UNKNOWN)
3759 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3762 if(norm == UNKNOWN) {
3763 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3764 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3765 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3769 if(!strcmp(arg, "vcd")) {
3770 opt_video_codec(o, "c:v", "mpeg1video");
3771 opt_audio_codec(o, "c:a", "mp2");
3772 parse_option(o, "f", "vcd", options);
3774 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
3775 parse_option(o, "r", frame_rates[norm], options);
3776 opt_default("g", norm == PAL ? "15" : "18");
3778 opt_default("b", "1150000");
3779 opt_default("maxrate", "1150000");
3780 opt_default("minrate", "1150000");
3781 opt_default("bufsize", "327680"); // 40*1024*8;
3783 opt_default("b:a", "224000");
3784 parse_option(o, "ar", "44100", options);
3785 parse_option(o, "ac", "2", options);
3787 opt_default("packetsize", "2324");
3788 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3790 /* We have to offset the PTS, so that it is consistent with the SCR.
3791 SCR starts at 36000, but the first two packs contain only padding
3792 and the first pack from the other stream, respectively, may also have
3793 been written before.
3794 So the real data starts at SCR 36000+3*1200. */
3795 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
3796 } else if(!strcmp(arg, "svcd")) {
3798 opt_video_codec(o, "c:v", "mpeg2video");
3799 opt_audio_codec(o, "c:a", "mp2");
3800 parse_option(o, "f", "svcd", options);
3802 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
3803 parse_option(o, "r", frame_rates[norm], options);
3804 opt_default("g", norm == PAL ? "15" : "18");
3806 opt_default("b", "2040000");
3807 opt_default("maxrate", "2516000");
3808 opt_default("minrate", "0"); //1145000;
3809 opt_default("bufsize", "1835008"); //224*1024*8;
3810 opt_default("flags", "+scan_offset");
3813 opt_default("b:a", "224000");
3814 parse_option(o, "ar", "44100", options);
3816 opt_default("packetsize", "2324");
3818 } else if(!strcmp(arg, "dvd")) {
3820 opt_video_codec(o, "c:v", "mpeg2video");
3821 opt_audio_codec(o, "c:a", "ac3");
3822 parse_option(o, "f", "dvd", options);
3824 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
3825 parse_option(o, "r", frame_rates[norm], options);
3826 opt_default("g", norm == PAL ? "15" : "18");
3828 opt_default("b", "6000000");
3829 opt_default("maxrate", "9000000");
3830 opt_default("minrate", "0"); //1500000;
3831 opt_default("bufsize", "1835008"); //224*1024*8;
3833 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3834 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3836 opt_default("b:a", "448000");
3837 parse_option(o, "ar", "48000", options);
3839 } else if(!strncmp(arg, "dv", 2)) {
3841 parse_option(o, "f", "dv", options);
3843 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
3844 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3845 norm == PAL ? "yuv420p" : "yuv411p", options);
3846 parse_option(o, "r", frame_rates[norm], options);
3848 parse_option(o, "ar", "48000", options);
3849 parse_option(o, "ac", "2", options);
3852 fprintf(stderr, "Unknown target: %s\n", arg);
3853 return AVERROR(EINVAL);
3858 static int opt_vstats_file(const char *opt, const char *arg)
3860 av_free (vstats_filename);
3861 vstats_filename=av_strdup (arg);
3865 static int opt_vstats(const char *opt, const char *arg)
3868 time_t today2 = time(NULL);
3869 struct tm *today = localtime(&today2);
3871 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3873 return opt_vstats_file(opt, filename);
3876 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
3878 return parse_option(o, "frames:v", arg, options);
3881 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
3883 return parse_option(o, "frames:a", arg, options);
3886 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
3888 return parse_option(o, "frames:d", arg, options);
3891 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
3893 return parse_option(o, "tag:v", arg, options);
3896 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
3898 return parse_option(o, "tag:a", arg, options);
3901 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
3903 return parse_option(o, "tag:s", arg, options);
3906 #define OFFSET(x) offsetof(OptionsContext, x)
3907 static const OptionDef options[] = {
3909 #include "cmdutils_common_opts.h"
3910 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
3911 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
3912 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3913 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
3914 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
3915 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
3916 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
3917 "outfile[,metadata]:infile[,metadata]" },
3918 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
3919 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3920 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
3921 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
3922 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
3923 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
3924 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
3925 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
3926 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3927 "add timings for benchmarking" },
3928 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
3929 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3930 "dump each input packet" },
3931 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3932 "when dumping packets, also dump the payload" },
3933 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
3934 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
3935 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3936 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3937 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3938 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3939 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3940 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
3941 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3942 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3943 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3944 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3945 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
3946 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
3947 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
3948 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
3951 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
3952 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3953 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
3954 { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3955 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
3956 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
3957 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3958 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
3959 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3960 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
3961 "use same quantizer as source (implies VBR)" },
3962 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
3963 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3964 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3965 "deinterlace pictures" },
3966 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3967 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3969 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
3971 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3972 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3973 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3974 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3975 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3976 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3977 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
3978 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
3979 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
3982 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
3983 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
3984 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
3985 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
3986 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
3987 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3988 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3989 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3990 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
3992 /* subtitle options */
3993 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
3994 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3995 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3998 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4001 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4002 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4004 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4006 /* data codec support */
4007 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4009 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4013 int main(int argc, char **argv)
4015 OptionsContext o = { 0 };
4020 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4022 avcodec_register_all();
4024 avdevice_register_all();
4027 avfilter_register_all();
4031 avio_set_interrupt_cb(decode_interrupt_cb);
4036 parse_options(&o, argc, argv, options, opt_output_file);
4038 if(nb_output_files <= 0 && nb_input_files == 0) {
4040 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4044 /* file converter / grab */
4045 if (nb_output_files <= 0) {
4046 fprintf(stderr, "At least one output file must be specified\n");
4050 if (nb_input_files == 0) {
4051 fprintf(stderr, "At least one input file must be specified\n");
4056 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4058 ti = getutime() - ti;
4060 int maxrss = getmaxrss() / 1024;
4061 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);