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 int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static AVRational frame_rate;
109 static float video_qscale = 0;
110 static uint16_t *intra_matrix = NULL;
111 static uint16_t *inter_matrix = NULL;
112 static const char *video_rc_override_string=NULL;
113 static int video_discard = 0;
114 static int same_quant = 0;
115 static int do_deinterlace = 0;
116 static int top_field_first = -1;
117 static int me_threshold = 0;
118 static int intra_dc_precision = 8;
119 static int qp_hist = 0;
121 static char *vfilters = NULL;
124 static int audio_sample_rate = 0;
125 #define QSCALE_NONE -99999
126 static float audio_qscale = QSCALE_NONE;
128 static int file_overwrite = 0;
129 static int do_benchmark = 0;
130 static int do_hex_dump = 0;
131 static int do_pkt_dump = 0;
132 static int do_psnr = 0;
133 static int do_pass = 0;
134 static char *pass_logfilename_prefix = NULL;
135 static int video_sync_method= -1;
136 static int audio_sync_method= 0;
137 static float audio_drift_threshold= 0.1;
138 static int copy_ts= 0;
140 static int opt_shortest = 0;
141 static char *vstats_filename;
142 static FILE *vstats_file;
143 static int copy_initial_nonkeyframes = 0;
145 static int audio_volume = 256;
147 static int exit_on_error = 0;
148 static int using_stdin = 0;
149 static int verbose = 1;
150 static int64_t video_size = 0;
151 static int64_t audio_size = 0;
152 static int64_t extra_size = 0;
153 static int nb_frames_dup = 0;
154 static int nb_frames_drop = 0;
155 static int input_sync;
156 static int force_fps = 0;
157 static char *forced_key_frames = NULL;
159 static float dts_delta_threshold = 10;
161 static uint8_t *audio_buf;
162 static uint8_t *audio_out;
163 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
165 static short *samples;
167 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
169 typedef struct InputStream {
172 int discard; /* true if stream data should be discarded */
173 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
176 int64_t start; /* time when read started */
177 int64_t next_pts; /* synthetic pts for cases where pkt.pts
179 int64_t pts; /* current pts */
180 PtsCorrectionContext pts_ctx;
182 int is_start; /* is 1 at the start and after a discontinuity */
183 int showed_multi_packet_warning;
187 typedef struct InputFile {
188 AVFormatContext *ctx;
189 int eof_reached; /* true if eof reached */
190 int ist_index; /* index of first stream in ist_table */
191 int buffer_size; /* current total buffer size */
193 int nb_streams; /* number of stream that avconv is aware of; may be different
194 from ctx.nb_streams if new streams appear during av_read_frame() */
198 typedef struct OutputStream {
199 int file_index; /* file index */
200 int index; /* stream index in the output file */
201 int source_index; /* InputStream index */
202 AVStream *st; /* stream in the output file */
203 int encoding_needed; /* true if encoding needed for this stream */
205 /* input pts and corresponding output pts
207 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
208 struct InputStream *sync_ist; /* input stream to sync against */
209 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
210 AVBitStreamFilterContext *bitstream_filters;
216 AVFrame pict_tmp; /* temporary image for resampling */
217 struct SwsContext *img_resample_ctx; /* for image resampling */
220 int resample_pix_fmt;
221 AVRational frame_rate;
223 float frame_aspect_ratio;
225 /* forced key frames */
226 int64_t *forced_kf_pts;
232 ReSampleContext *resample; /* for audio resampling */
233 int resample_sample_fmt;
234 int resample_channels;
235 int resample_sample_rate;
237 AVAudioConvert *reformat_ctx;
238 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
242 AVFilterContext *output_video_filter;
243 AVFilterContext *input_video_filter;
244 AVFilterBufferRef *picref;
246 AVFilterGraph *graph;
251 int is_past_recording_time;
255 typedef struct OutputFile {
256 AVFormatContext *ctx;
258 int ost_index; /* index of the first stream in output_streams */
259 int64_t recording_time; /* desired length of the resulting file in microseconds */
260 int64_t start_time; /* start time in microseconds */
261 uint64_t limit_filesize;
264 static InputStream *input_streams = NULL;
265 static int nb_input_streams = 0;
266 static InputFile *input_files = NULL;
267 static int nb_input_files = 0;
269 static OutputStream *output_streams = NULL;
270 static int nb_output_streams = 0;
271 static OutputFile *output_files = NULL;
272 static int nb_output_files = 0;
274 typedef struct OptionsContext {
275 /* input/output options */
279 SpecifierOpt *codec_names;
281 SpecifierOpt *audio_channels;
282 int nb_audio_channels;
285 int64_t input_ts_offset;
288 SpecifierOpt *ts_scale;
292 StreamMap *stream_maps;
294 /* first item specifies output metadata, second is input */
295 MetadataMap (*meta_data_maps)[2];
296 int nb_meta_data_maps;
297 int metadata_global_manual;
298 int metadata_streams_manual;
299 int metadata_chapters_manual;
301 int chapters_input_file;
303 int64_t recording_time;
304 uint64_t limit_filesize;
310 int subtitle_disable;
313 SpecifierOpt *metadata;
315 SpecifierOpt *max_frames;
317 SpecifierOpt *bitstream_filters;
318 int nb_bitstream_filters;
319 SpecifierOpt *codec_tags;
321 SpecifierOpt *sample_fmts;
325 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
328 for (i = 0; i < o->nb_ ## name; i++) {\
329 char *spec = o->name[i].specifier;\
330 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
331 outvar = o->name[i].u.type;\
337 static void reset_options(OptionsContext *o)
339 const OptionDef *po = options;
341 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
343 void *dst = (uint8_t*)o + po->u.off;
345 if (po->flags & OPT_SPEC) {
346 SpecifierOpt **so = dst;
347 int i, *count = (int*)(so + 1);
348 for (i = 0; i < *count; i++) {
349 av_freep(&(*so)[i].specifier);
350 if (po->flags & OPT_STRING)
351 av_freep(&(*so)[i].u.str);
355 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
360 av_freep(&o->stream_maps);
361 av_freep(&o->meta_data_maps);
363 memset(o, 0, sizeof(*o));
365 o->mux_preload = 0.5;
366 o->mux_max_delay = 0.7;
367 o->recording_time = INT64_MAX;
368 o->limit_filesize = UINT64_MAX;
369 o->chapters_input_file = INT_MAX;
377 static int configure_video_filters(InputStream *ist, OutputStream *ost)
379 AVFilterContext *last_filter, *filter;
380 /** filter graph containing all filters including input & output */
381 AVCodecContext *codec = ost->st->codec;
382 AVCodecContext *icodec = ist->st->codec;
383 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
384 AVRational sample_aspect_ratio;
388 ost->graph = avfilter_graph_alloc();
390 if (ist->st->sample_aspect_ratio.num){
391 sample_aspect_ratio = ist->st->sample_aspect_ratio;
393 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
395 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
396 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
397 sample_aspect_ratio.num, sample_aspect_ratio.den);
399 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
400 "src", args, NULL, ost->graph);
403 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
404 "out", NULL, &ffsink_ctx, ost->graph);
407 last_filter = ost->input_video_filter;
409 if (codec->width != icodec->width || codec->height != icodec->height) {
410 snprintf(args, 255, "%d:%d:flags=0x%X",
414 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
415 NULL, args, NULL, ost->graph)) < 0)
417 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
419 last_filter = filter;
422 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
423 ost->graph->scale_sws_opts = av_strdup(args);
426 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
427 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
429 outputs->name = av_strdup("in");
430 outputs->filter_ctx = last_filter;
431 outputs->pad_idx = 0;
432 outputs->next = NULL;
434 inputs->name = av_strdup("out");
435 inputs->filter_ctx = ost->output_video_filter;
439 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
441 av_freep(&ost->avfilter);
443 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
447 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
450 codec->width = ost->output_video_filter->inputs[0]->w;
451 codec->height = ost->output_video_filter->inputs[0]->h;
452 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
453 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
454 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
455 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
459 #endif /* CONFIG_AVFILTER */
461 static void term_exit(void)
463 av_log(NULL, AV_LOG_QUIET, "");
466 static volatile int received_sigterm = 0;
467 static volatile int received_nb_signals = 0;
470 sigterm_handler(int sig)
472 received_sigterm = sig;
473 received_nb_signals++;
477 static void term_init(void)
479 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
480 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
482 signal(SIGXCPU, sigterm_handler);
486 static int decode_interrupt_cb(void)
488 return received_nb_signals > 1;
491 void exit_program(int ret)
496 for(i=0;i<nb_output_files;i++) {
497 AVFormatContext *s = output_files[i].ctx;
498 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
500 avformat_free_context(s);
501 av_dict_free(&output_files[i].opts);
503 for(i=0;i<nb_input_files;i++) {
504 av_close_input_file(input_files[i].ctx);
506 for (i = 0; i < nb_input_streams; i++)
507 av_dict_free(&input_streams[i].opts);
509 av_free(intra_matrix);
510 av_free(inter_matrix);
514 av_free(vstats_filename);
516 av_freep(&input_streams);
517 av_freep(&input_files);
518 av_freep(&output_streams);
519 av_freep(&output_files);
524 allocated_audio_buf_size= allocated_audio_out_size= 0;
531 if (received_sigterm) {
533 "Received signal %d: terminating.\n",
534 (int) received_sigterm);
538 exit(ret); /* not all OS-es handle main() return value */
541 static void assert_avoptions(AVDictionary *m)
543 AVDictionaryEntry *t;
544 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
545 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
550 static void assert_codec_experimental(AVCodecContext *c, int encoder)
552 const char *codec_string = encoder ? "encoder" : "decoder";
554 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
555 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
556 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
557 "results.\nAdd '-strict experimental' if you want to use it.\n",
558 codec_string, c->codec->name);
559 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
560 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
561 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
562 codec_string, codec->name);
567 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
569 if(codec && codec->sample_fmts){
570 const enum AVSampleFormat *p= codec->sample_fmts;
572 if(*p == st->codec->sample_fmt)
576 av_log(NULL, AV_LOG_WARNING,
577 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
578 av_get_sample_fmt_name(st->codec->sample_fmt),
580 av_get_sample_fmt_name(codec->sample_fmts[0]));
581 st->codec->sample_fmt = codec->sample_fmts[0];
587 * Update the requested input sample format based on the output sample format.
588 * This is currently only used to request float output from decoders which
589 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
590 * Ideally this will be removed in the future when decoders do not do format
591 * conversion and only output in their native format.
593 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
596 /* if sample formats match or a decoder sample format has already been
597 requested, just return */
598 if (enc->sample_fmt == dec->sample_fmt ||
599 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
602 /* if decoder supports more than one output format */
603 if (dec_codec && dec_codec->sample_fmts &&
604 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
605 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
606 const enum AVSampleFormat *p;
607 int min_dec = -1, min_inc = -1;
609 /* find a matching sample format in the encoder */
610 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
611 if (*p == enc->sample_fmt) {
612 dec->request_sample_fmt = *p;
614 } else if (*p > enc->sample_fmt) {
615 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
617 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
620 /* if none match, provide the one that matches quality closest */
621 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
622 enc->sample_fmt - min_dec;
626 static void choose_sample_rate(AVStream *st, AVCodec *codec)
628 if(codec && codec->supported_samplerates){
629 const int *p= codec->supported_samplerates;
631 int best_dist=INT_MAX;
633 int dist= abs(st->codec->sample_rate - *p);
634 if(dist < best_dist){
640 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
642 st->codec->sample_rate= best;
646 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
648 if(codec && codec->pix_fmts){
649 const enum PixelFormat *p= codec->pix_fmts;
650 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
651 if(st->codec->codec_id==CODEC_ID_MJPEG){
652 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
653 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
654 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};
658 if(*p == st->codec->pix_fmt)
662 if(st->codec->pix_fmt != PIX_FMT_NONE)
663 av_log(NULL, AV_LOG_WARNING,
664 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
665 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
667 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
668 st->codec->pix_fmt = codec->pix_fmts[0];
674 get_sync_ipts(const OutputStream *ost)
676 const InputStream *ist = ost->sync_ist;
677 OutputFile *of = &output_files[ost->file_index];
678 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
681 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
685 AVPacket new_pkt= *pkt;
686 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
687 &new_pkt.data, &new_pkt.size,
688 pkt->data, pkt->size,
689 pkt->flags & AV_PKT_FLAG_KEY);
692 new_pkt.destruct= av_destruct_packet;
694 fprintf(stderr, "%s failed for stream %d, codec %s",
695 bsfc->filter->name, pkt->stream_index,
696 avctx->codec ? avctx->codec->name : "copy");
706 ret= av_interleaved_write_frame(s, pkt);
708 print_error("av_interleaved_write_frame()", ret);
713 static void do_audio_out(AVFormatContext *s,
716 unsigned char *buf, int size)
719 int64_t audio_out_size, audio_buf_size;
720 int64_t allocated_for_size= size;
722 int size_out, frame_bytes, ret, resample_changed;
723 AVCodecContext *enc= ost->st->codec;
724 AVCodecContext *dec= ist->st->codec;
725 int osize = av_get_bytes_per_sample(enc->sample_fmt);
726 int isize = av_get_bytes_per_sample(dec->sample_fmt);
727 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
730 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
731 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
732 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
733 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
734 audio_buf_size*= osize*enc->channels;
736 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
737 if(coded_bps > 8*osize)
738 audio_out_size= audio_out_size * coded_bps / (8*osize);
739 audio_out_size += FF_MIN_BUFFER_SIZE;
741 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
742 fprintf(stderr, "Buffer sizes too large\n");
746 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
747 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
748 if (!audio_buf || !audio_out){
749 fprintf(stderr, "Out of memory in do_audio_out\n");
753 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
754 ost->audio_resample = 1;
756 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
757 ost->resample_channels != dec->channels ||
758 ost->resample_sample_rate != dec->sample_rate;
760 if ((ost->audio_resample && !ost->resample) || resample_changed) {
761 if (resample_changed) {
762 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",
763 ist->file_index, ist->st->index,
764 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
765 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
766 ost->resample_sample_fmt = dec->sample_fmt;
767 ost->resample_channels = dec->channels;
768 ost->resample_sample_rate = dec->sample_rate;
770 audio_resample_close(ost->resample);
772 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
773 if (audio_sync_method <= 1 &&
774 ost->resample_sample_fmt == enc->sample_fmt &&
775 ost->resample_channels == enc->channels &&
776 ost->resample_sample_rate == enc->sample_rate) {
777 ost->resample = NULL;
778 ost->audio_resample = 0;
779 } else if (ost->audio_resample) {
780 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
781 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
782 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
783 enc->sample_rate, dec->sample_rate,
784 enc->sample_fmt, dec->sample_fmt,
786 if (!ost->resample) {
787 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
788 dec->channels, dec->sample_rate,
789 enc->channels, enc->sample_rate);
795 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
796 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
797 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
798 if (ost->reformat_ctx)
799 av_audio_convert_free(ost->reformat_ctx);
800 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
801 dec->sample_fmt, 1, NULL, 0);
802 if (!ost->reformat_ctx) {
803 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
804 av_get_sample_fmt_name(dec->sample_fmt),
805 av_get_sample_fmt_name(enc->sample_fmt));
808 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
811 if(audio_sync_method){
812 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
813 - av_fifo_size(ost->fifo)/(enc->channels * 2);
814 double idelta= delta*dec->sample_rate / enc->sample_rate;
815 int byte_delta= ((int)idelta)*2*dec->channels;
817 //FIXME resample delay
818 if(fabs(delta) > 50){
819 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
821 byte_delta= FFMAX(byte_delta, -size);
825 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
830 static uint8_t *input_tmp= NULL;
831 input_tmp= av_realloc(input_tmp, byte_delta + size);
833 if(byte_delta > allocated_for_size - size){
834 allocated_for_size= byte_delta + (int64_t)size;
839 memset(input_tmp, 0, byte_delta);
840 memcpy(input_tmp + byte_delta, buf, size);
844 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
846 }else if(audio_sync_method>1){
847 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
848 av_assert0(ost->audio_resample);
850 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
851 // 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));
852 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
856 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
857 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
859 if (ost->audio_resample) {
861 size_out = audio_resample(ost->resample,
862 (short *)buftmp, (short *)buf,
863 size / (dec->channels * isize));
864 size_out = size_out * enc->channels * osize;
870 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
871 const void *ibuf[6]= {buftmp};
872 void *obuf[6]= {audio_buf};
873 int istride[6]= {isize};
874 int ostride[6]= {osize};
875 int len= size_out/istride[0];
876 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
877 printf("av_audio_convert() failed\n");
883 size_out = len*osize;
886 /* now encode as many frames as possible */
887 if (enc->frame_size > 1) {
888 /* output resampled raw samples */
889 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
890 fprintf(stderr, "av_fifo_realloc2() failed\n");
893 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
895 frame_bytes = enc->frame_size * osize * enc->channels;
897 while (av_fifo_size(ost->fifo) >= frame_bytes) {
899 av_init_packet(&pkt);
901 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
903 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
905 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
908 fprintf(stderr, "Audio encoding failed\n");
912 pkt.stream_index= ost->index;
915 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
916 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
917 pkt.flags |= AV_PKT_FLAG_KEY;
918 write_frame(s, &pkt, enc, ost->bitstream_filters);
920 ost->sync_opts += enc->frame_size;
924 av_init_packet(&pkt);
926 ost->sync_opts += size_out / (osize * enc->channels);
928 /* output a pcm frame */
929 /* determine the size of the coded buffer */
932 size_out = size_out*coded_bps/8;
934 if(size_out > audio_out_size){
935 fprintf(stderr, "Internal error, buffer size too small\n");
939 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
940 ret = avcodec_encode_audio(enc, audio_out, size_out,
943 fprintf(stderr, "Audio encoding failed\n");
947 pkt.stream_index= ost->index;
950 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
951 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
952 pkt.flags |= AV_PKT_FLAG_KEY;
953 write_frame(s, &pkt, enc, ost->bitstream_filters);
957 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
961 AVPicture picture_tmp;
964 dec = ist->st->codec;
966 /* deinterlace : must be done before any resize */
967 if (do_deinterlace) {
970 /* create temporary picture */
971 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
972 buf = av_malloc(size);
976 picture2 = &picture_tmp;
977 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
979 if(avpicture_deinterlace(picture2, picture,
980 dec->pix_fmt, dec->width, dec->height) < 0) {
981 /* if error, do not deinterlace */
982 fprintf(stderr, "Deinterlacing failed\n");
991 if (picture != picture2)
992 *picture = *picture2;
996 static void do_subtitle_out(AVFormatContext *s,
1002 static uint8_t *subtitle_out = NULL;
1003 int subtitle_out_max_size = 1024 * 1024;
1004 int subtitle_out_size, nb, i;
1005 AVCodecContext *enc;
1008 if (pts == AV_NOPTS_VALUE) {
1009 fprintf(stderr, "Subtitle packets must have a pts\n");
1015 enc = ost->st->codec;
1017 if (!subtitle_out) {
1018 subtitle_out = av_malloc(subtitle_out_max_size);
1021 /* Note: DVB subtitle need one packet to draw them and one other
1022 packet to clear them */
1023 /* XXX: signal it in the codec context ? */
1024 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1029 for(i = 0; i < nb; i++) {
1030 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1031 // start_display_time is required to be 0
1032 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1033 sub->end_display_time -= sub->start_display_time;
1034 sub->start_display_time = 0;
1035 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1036 subtitle_out_max_size, sub);
1037 if (subtitle_out_size < 0) {
1038 fprintf(stderr, "Subtitle encoding failed\n");
1042 av_init_packet(&pkt);
1043 pkt.stream_index = ost->index;
1044 pkt.data = subtitle_out;
1045 pkt.size = subtitle_out_size;
1046 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1047 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1048 /* XXX: the pts correction is handled here. Maybe handling
1049 it in the codec would be better */
1051 pkt.pts += 90 * sub->start_display_time;
1053 pkt.pts += 90 * sub->end_display_time;
1055 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1059 static int bit_buffer_size= 1024*256;
1060 static uint8_t *bit_buffer= NULL;
1062 static void do_video_resample(OutputStream *ost,
1064 AVFrame *in_picture,
1065 AVFrame **out_picture)
1067 int resample_changed = 0;
1068 AVCodecContext *dec = ist->st->codec;
1069 *out_picture = in_picture;
1071 resample_changed = ost->resample_width != dec->width ||
1072 ost->resample_height != dec->height ||
1073 ost->resample_pix_fmt != dec->pix_fmt;
1075 if (resample_changed) {
1076 av_log(NULL, AV_LOG_INFO,
1077 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1078 ist->file_index, ist->st->index,
1079 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1080 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1081 if(!ost->video_resample)
1082 ost->video_resample = 1;
1085 #if !CONFIG_AVFILTER
1086 if (ost->video_resample) {
1087 *out_picture = &ost->pict_tmp;
1088 if (resample_changed) {
1089 /* initialize a new scaler context */
1090 sws_freeContext(ost->img_resample_ctx);
1091 ost->img_resample_ctx = sws_getContext(
1092 ist->st->codec->width,
1093 ist->st->codec->height,
1094 ist->st->codec->pix_fmt,
1095 ost->st->codec->width,
1096 ost->st->codec->height,
1097 ost->st->codec->pix_fmt,
1098 ost->sws_flags, NULL, NULL, NULL);
1099 if (ost->img_resample_ctx == NULL) {
1100 fprintf(stderr, "Cannot get resampling context\n");
1104 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1105 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1108 if (resample_changed) {
1109 avfilter_graph_free(&ost->graph);
1110 if (configure_video_filters(ist, ost)) {
1111 fprintf(stderr, "Error reinitializing filters!\n");
1116 if (resample_changed) {
1117 ost->resample_width = dec->width;
1118 ost->resample_height = dec->height;
1119 ost->resample_pix_fmt = dec->pix_fmt;
1124 static void do_video_out(AVFormatContext *s,
1127 AVFrame *in_picture,
1128 int *frame_size, float quality)
1130 int nb_frames, i, ret, format_video_sync;
1131 AVFrame *final_picture;
1132 AVCodecContext *enc;
1135 enc = ost->st->codec;
1137 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1139 /* by default, we output a single frame */
1144 format_video_sync = video_sync_method;
1145 if (format_video_sync < 0)
1146 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1148 if (format_video_sync) {
1149 double vdelta = sync_ipts - ost->sync_opts;
1150 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1153 else if (format_video_sync == 2) {
1156 }else if(vdelta>0.6)
1157 ost->sync_opts= lrintf(sync_ipts);
1158 }else if (vdelta > 1.1)
1159 nb_frames = lrintf(vdelta);
1160 //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);
1161 if (nb_frames == 0){
1164 fprintf(stderr, "*** drop!\n");
1165 }else if (nb_frames > 1) {
1166 nb_frames_dup += nb_frames - 1;
1168 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1171 ost->sync_opts= lrintf(sync_ipts);
1173 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1177 do_video_resample(ost, ist, in_picture, &final_picture);
1179 /* duplicates frame if needed */
1180 for(i=0;i<nb_frames;i++) {
1182 av_init_packet(&pkt);
1183 pkt.stream_index= ost->index;
1185 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1186 /* raw pictures are written as AVPicture structure to
1187 avoid any copies. We support temporarily the older
1189 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1190 enc->coded_frame->top_field_first = in_picture->top_field_first;
1191 pkt.data= (uint8_t *)final_picture;
1192 pkt.size= sizeof(AVPicture);
1193 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1194 pkt.flags |= AV_PKT_FLAG_KEY;
1196 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1198 AVFrame big_picture;
1200 big_picture= *final_picture;
1201 /* better than nothing: use input picture interlaced
1203 big_picture.interlaced_frame = in_picture->interlaced_frame;
1204 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1205 if(top_field_first == -1)
1206 big_picture.top_field_first = in_picture->top_field_first;
1208 big_picture.top_field_first = top_field_first;
1211 /* handles same_quant here. This is not correct because it may
1212 not be a global option */
1213 big_picture.quality = quality;
1215 big_picture.pict_type = 0;
1216 // big_picture.pts = AV_NOPTS_VALUE;
1217 big_picture.pts= ost->sync_opts;
1218 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1219 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1220 if (ost->forced_kf_index < ost->forced_kf_count &&
1221 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1222 big_picture.pict_type = AV_PICTURE_TYPE_I;
1223 ost->forced_kf_index++;
1225 ret = avcodec_encode_video(enc,
1226 bit_buffer, bit_buffer_size,
1229 fprintf(stderr, "Video encoding failed\n");
1234 pkt.data= bit_buffer;
1236 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1237 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1238 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1239 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1240 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1242 if(enc->coded_frame->key_frame)
1243 pkt.flags |= AV_PKT_FLAG_KEY;
1244 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1247 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1248 // enc->frame_number-1, ret, enc->pict_type);
1249 /* if two pass, output log */
1250 if (ost->logfile && enc->stats_out) {
1251 fprintf(ost->logfile, "%s", enc->stats_out);
1256 ost->frame_number++;
1260 static double psnr(double d){
1261 return -10.0*log(d)/log(10.0);
1264 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1267 AVCodecContext *enc;
1269 double ti1, bitrate, avg_bitrate;
1271 /* this is executed just the first time do_video_stats is called */
1273 vstats_file = fopen(vstats_filename, "w");
1280 enc = ost->st->codec;
1281 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1282 frame_number = ost->frame_number;
1283 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1284 if (enc->flags&CODEC_FLAG_PSNR)
1285 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1287 fprintf(vstats_file,"f_size= %6d ", frame_size);
1288 /* compute pts value */
1289 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1293 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1294 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1295 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1296 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1297 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1301 static void print_report(OutputFile *output_files,
1302 OutputStream *ost_table, int nb_ostreams,
1303 int is_last_report, int64_t timer_start)
1307 AVFormatContext *oc;
1309 AVCodecContext *enc;
1310 int frame_number, vid, i;
1311 double bitrate, ti1, pts;
1312 static int64_t last_time = -1;
1313 static int qp_histogram[52];
1315 if (!is_last_report) {
1317 /* display the report every 0.5 seconds */
1318 cur_time = av_gettime();
1319 if (last_time == -1) {
1320 last_time = cur_time;
1323 if ((cur_time - last_time) < 500000)
1325 last_time = cur_time;
1329 oc = output_files[0].ctx;
1331 total_size = avio_size(oc->pb);
1332 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1333 total_size= avio_tell(oc->pb);
1338 for(i=0;i<nb_ostreams;i++) {
1340 ost = &ost_table[i];
1341 enc = ost->st->codec;
1342 if (!ost->st->stream_copy && enc->coded_frame)
1343 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1344 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1345 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1347 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1348 float t = (av_gettime()-timer_start) / 1000000.0;
1350 frame_number = ost->frame_number;
1351 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1352 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1354 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1358 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1361 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1363 if (enc->flags&CODEC_FLAG_PSNR){
1365 double error, error_sum=0;
1366 double scale, scale_sum=0;
1367 char type[3]= {'Y','U','V'};
1368 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1371 error= enc->error[j];
1372 scale= enc->width*enc->height*255.0*255.0*frame_number;
1374 error= enc->coded_frame->error[j];
1375 scale= enc->width*enc->height*255.0*255.0;
1380 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1382 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1386 /* compute min output value */
1387 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1388 if ((pts < ti1) && (pts > 0))
1394 if (verbose > 0 || is_last_report) {
1395 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1397 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1398 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1399 (double)total_size / 1024, ti1, bitrate);
1401 if (nb_frames_dup || nb_frames_drop)
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1403 nb_frames_dup, nb_frames_drop);
1406 fprintf(stderr, "%s \r", buf);
1411 if (is_last_report && verbose >= 0){
1412 int64_t raw= audio_size + video_size + extra_size;
1413 fprintf(stderr, "\n");
1414 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1418 100.0*(total_size - raw)/raw
1423 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1425 int fill_char = 0x00;
1426 if (sample_fmt == AV_SAMPLE_FMT_U8)
1428 memset(buf, fill_char, size);
1431 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1435 for (i = 0; i < nb_ostreams; i++) {
1436 OutputStream *ost = &ost_table[i];
1437 AVCodecContext *enc = ost->st->codec;
1438 AVFormatContext *os = output_files[ost->file_index].ctx;
1440 if (!ost->encoding_needed)
1443 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1445 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1451 av_init_packet(&pkt);
1452 pkt.stream_index= ost->index;
1454 switch (ost->st->codec->codec_type) {
1455 case AVMEDIA_TYPE_AUDIO:
1456 fifo_bytes = av_fifo_size(ost->fifo);
1458 /* encode any samples remaining in fifo */
1459 if (fifo_bytes > 0) {
1460 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1461 int fs_tmp = enc->frame_size;
1463 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1464 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1465 enc->frame_size = fifo_bytes / (osize * enc->channels);
1467 int frame_bytes = enc->frame_size*osize*enc->channels;
1468 if (allocated_audio_buf_size < frame_bytes)
1470 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1473 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1474 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1475 ost->st->time_base.num, enc->sample_rate);
1476 enc->frame_size = fs_tmp;
1479 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1482 fprintf(stderr, "Audio encoding failed\n");
1486 pkt.flags |= AV_PKT_FLAG_KEY;
1488 case AVMEDIA_TYPE_VIDEO:
1489 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1491 fprintf(stderr, "Video encoding failed\n");
1495 if(enc->coded_frame && enc->coded_frame->key_frame)
1496 pkt.flags |= AV_PKT_FLAG_KEY;
1497 if (ost->logfile && enc->stats_out) {
1498 fprintf(ost->logfile, "%s", enc->stats_out);
1507 pkt.data = bit_buffer;
1509 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1510 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1511 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1516 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1517 static int output_packet(InputStream *ist, int ist_index,
1518 OutputStream *ost_table, int nb_ostreams,
1519 const AVPacket *pkt)
1521 AVFormatContext *os;
1526 void *buffer_to_free = NULL;
1527 static unsigned int samples_size= 0;
1528 AVSubtitle subtitle, *subtitle_to_free;
1529 int64_t pkt_pts = AV_NOPTS_VALUE;
1531 int frame_available;
1536 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1538 if(ist->next_pts == AV_NOPTS_VALUE)
1539 ist->next_pts= ist->pts;
1543 av_init_packet(&avpkt);
1551 if(pkt->dts != AV_NOPTS_VALUE)
1552 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1553 if(pkt->pts != AV_NOPTS_VALUE)
1554 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1556 //while we have more to decode or while the decoder did output something on EOF
1557 while (avpkt.size > 0 || (!pkt && got_output)) {
1558 uint8_t *data_buf, *decoded_data_buf;
1559 int data_size, decoded_data_size;
1561 ist->pts= ist->next_pts;
1563 if(avpkt.size && avpkt.size != pkt->size &&
1564 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1565 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1566 ist->showed_multi_packet_warning=1;
1569 /* decode the packet if needed */
1570 decoded_data_buf = NULL; /* fail safe */
1571 decoded_data_size= 0;
1572 data_buf = avpkt.data;
1573 data_size = avpkt.size;
1574 subtitle_to_free = NULL;
1575 if (ist->decoding_needed) {
1576 switch(ist->st->codec->codec_type) {
1577 case AVMEDIA_TYPE_AUDIO:{
1578 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1579 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1581 samples= av_malloc(samples_size);
1583 decoded_data_size= samples_size;
1584 /* XXX: could avoid copy if PCM 16 bits with same
1585 endianness as CPU */
1586 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1593 got_output = decoded_data_size > 0;
1594 /* Some bug in mpeg audio decoder gives */
1595 /* decoded_data_size < 0, it seems they are overflows */
1597 /* no audio frame */
1600 decoded_data_buf = (uint8_t *)samples;
1601 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1602 (ist->st->codec->sample_rate * ist->st->codec->channels);
1604 case AVMEDIA_TYPE_VIDEO:
1605 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1606 /* XXX: allocate picture correctly */
1607 avcodec_get_frame_defaults(&picture);
1608 avpkt.pts = pkt_pts;
1609 avpkt.dts = ist->pts;
1610 pkt_pts = AV_NOPTS_VALUE;
1612 ret = avcodec_decode_video2(ist->st->codec,
1613 &picture, &got_output, &avpkt);
1614 quality = same_quant ? picture.quality : 0;
1618 /* no picture yet */
1619 goto discard_packet;
1621 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1622 if (ist->st->codec->time_base.num != 0) {
1623 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1624 ist->next_pts += ((int64_t)AV_TIME_BASE *
1625 ist->st->codec->time_base.num * ticks) /
1626 ist->st->codec->time_base.den;
1629 buffer_to_free = NULL;
1630 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1632 case AVMEDIA_TYPE_SUBTITLE:
1633 ret = avcodec_decode_subtitle2(ist->st->codec,
1634 &subtitle, &got_output, &avpkt);
1638 goto discard_packet;
1640 subtitle_to_free = &subtitle;
1647 switch(ist->st->codec->codec_type) {
1648 case AVMEDIA_TYPE_AUDIO:
1649 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1650 ist->st->codec->sample_rate;
1652 case AVMEDIA_TYPE_VIDEO:
1653 if (ist->st->codec->time_base.num != 0) {
1654 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1655 ist->next_pts += ((int64_t)AV_TIME_BASE *
1656 ist->st->codec->time_base.num * ticks) /
1657 ist->st->codec->time_base.den;
1664 // preprocess audio (volume)
1665 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1666 if (audio_volume != 256) {
1669 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1670 int v = ((*volp) * audio_volume + 128) >> 8;
1671 *volp++ = av_clip_int16(v);
1676 /* frame rate emulation */
1677 if (input_files[ist->file_index].rate_emu) {
1678 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1679 int64_t now = av_gettime() - ist->start;
1683 /* if output time reached then transcode raw format,
1684 encode packets and output them */
1685 for (i = 0; i < nb_ostreams; i++) {
1686 OutputFile *of = &output_files[ost_table[i].file_index];
1689 ost = &ost_table[i];
1690 if (ost->source_index != ist_index)
1693 if (of->start_time && ist->pts < of->start_time)
1696 if (of->recording_time != INT64_MAX &&
1697 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1698 (AVRational){1, 1000000}) >= 0) {
1699 ost->is_past_recording_time = 1;
1704 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1705 ost->input_video_filter) {
1707 if (ist->st->sample_aspect_ratio.num)
1708 sar = ist->st->sample_aspect_ratio;
1710 sar = ist->st->codec->sample_aspect_ratio;
1711 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1713 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1714 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1715 while (frame_available) {
1716 AVRational ist_pts_tb;
1717 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1718 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1720 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1722 os = output_files[ost->file_index].ctx;
1724 /* set the input output pts pairs */
1725 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1727 if (ost->encoding_needed) {
1728 av_assert0(ist->decoding_needed);
1729 switch(ost->st->codec->codec_type) {
1730 case AVMEDIA_TYPE_AUDIO:
1731 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1733 case AVMEDIA_TYPE_VIDEO:
1735 if (ost->picref->video && !ost->frame_aspect_ratio)
1736 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1738 do_video_out(os, ost, ist, &picture, &frame_size,
1739 same_quant ? quality : ost->st->codec->global_quality);
1740 if (vstats_filename && frame_size)
1741 do_video_stats(os, ost, frame_size);
1743 case AVMEDIA_TYPE_SUBTITLE:
1744 do_subtitle_out(os, ost, ist, &subtitle,
1751 AVFrame avframe; //FIXME/XXX remove this
1753 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1755 av_init_packet(&opkt);
1757 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1758 #if !CONFIG_AVFILTER
1764 /* no reencoding needed : output the packet directly */
1765 /* force the input stream PTS */
1767 avcodec_get_frame_defaults(&avframe);
1768 ost->st->codec->coded_frame= &avframe;
1769 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1771 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1772 audio_size += data_size;
1773 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1774 video_size += data_size;
1778 opkt.stream_index= ost->index;
1779 if(pkt->pts != AV_NOPTS_VALUE)
1780 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1782 opkt.pts= AV_NOPTS_VALUE;
1784 if (pkt->dts == AV_NOPTS_VALUE)
1785 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1787 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1788 opkt.dts -= ost_tb_start_time;
1790 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1791 opkt.flags= pkt->flags;
1793 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1794 if( ost->st->codec->codec_id != CODEC_ID_H264
1795 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1796 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1798 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1799 opkt.destruct= av_destruct_packet;
1801 opkt.data = data_buf;
1802 opkt.size = data_size;
1805 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1806 ost->st->codec->frame_number++;
1807 ost->frame_number++;
1808 av_free_packet(&opkt);
1812 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1813 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1815 avfilter_unref_buffer(ost->picref);
1820 av_free(buffer_to_free);
1821 /* XXX: allocate the subtitles in the codec ? */
1822 if (subtitle_to_free) {
1823 avsubtitle_free(subtitle_to_free);
1824 subtitle_to_free = NULL;
1832 static void print_sdp(OutputFile *output_files, int n)
1836 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1840 for (i = 0; i < n; i++)
1841 avc[i] = output_files[i].ctx;
1843 av_sdp_create(avc, n, sdp, sizeof(sdp));
1844 printf("SDP:\n%s\n", sdp);
1849 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1850 char *error, int error_len)
1853 InputStream *ist = &input_streams[ist_index];
1854 if (ist->decoding_needed) {
1855 AVCodec *codec = ist->dec;
1857 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1858 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1859 return AVERROR(EINVAL);
1862 /* update requested sample format for the decoder based on the
1863 corresponding encoder sample format */
1864 for (i = 0; i < nb_output_streams; i++) {
1865 OutputStream *ost = &output_streams[i];
1866 if (ost->source_index == ist_index) {
1867 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1872 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1873 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1874 ist->file_index, ist->st->index);
1875 return AVERROR(EINVAL);
1877 assert_codec_experimental(ist->st->codec, 0);
1878 assert_avoptions(ist->opts);
1881 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;
1882 ist->next_pts = AV_NOPTS_VALUE;
1883 init_pts_correction(&ist->pts_ctx);
1889 static int transcode_init(OutputFile *output_files,
1890 int nb_output_files,
1891 InputFile *input_files,
1894 int ret = 0, i, j, k;
1895 AVFormatContext *os;
1896 AVCodecContext *codec, *icodec;
1902 /* init framerate emulation */
1903 for (i = 0; i < nb_input_files; i++) {
1904 InputFile *ifile = &input_files[i];
1905 if (ifile->rate_emu)
1906 for (j = 0; j < ifile->nb_streams; j++)
1907 input_streams[j + ifile->ist_index].start = av_gettime();
1910 /* output stream init */
1911 for(i=0;i<nb_output_files;i++) {
1912 os = output_files[i].ctx;
1913 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1914 av_dump_format(os, i, os->filename, 1);
1915 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1916 return AVERROR(EINVAL);
1920 /* for each output stream, we compute the right encoding parameters */
1921 for (i = 0; i < nb_output_streams; i++) {
1922 ost = &output_streams[i];
1923 os = output_files[ost->file_index].ctx;
1924 ist = &input_streams[ost->source_index];
1926 codec = ost->st->codec;
1927 icodec = ist->st->codec;
1929 ost->st->disposition = ist->st->disposition;
1930 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1931 codec->chroma_sample_location = icodec->chroma_sample_location;
1933 if (ost->st->stream_copy) {
1934 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1936 if (extra_size > INT_MAX) {
1937 return AVERROR(EINVAL);
1940 /* if stream_copy is selected, no need to decode or encode */
1941 codec->codec_id = icodec->codec_id;
1942 codec->codec_type = icodec->codec_type;
1944 if(!codec->codec_tag){
1945 if( !os->oformat->codec_tag
1946 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1947 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1948 codec->codec_tag = icodec->codec_tag;
1951 codec->bit_rate = icodec->bit_rate;
1952 codec->rc_max_rate = icodec->rc_max_rate;
1953 codec->rc_buffer_size = icodec->rc_buffer_size;
1954 codec->extradata= av_mallocz(extra_size);
1955 if (!codec->extradata) {
1956 return AVERROR(ENOMEM);
1958 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1959 codec->extradata_size= icodec->extradata_size;
1960 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){
1961 codec->time_base = icodec->time_base;
1962 codec->time_base.num *= icodec->ticks_per_frame;
1963 av_reduce(&codec->time_base.num, &codec->time_base.den,
1964 codec->time_base.num, codec->time_base.den, INT_MAX);
1966 codec->time_base = ist->st->time_base;
1967 switch(codec->codec_type) {
1968 case AVMEDIA_TYPE_AUDIO:
1969 if(audio_volume != 256) {
1970 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1973 codec->channel_layout = icodec->channel_layout;
1974 codec->sample_rate = icodec->sample_rate;
1975 codec->channels = icodec->channels;
1976 codec->frame_size = icodec->frame_size;
1977 codec->audio_service_type = icodec->audio_service_type;
1978 codec->block_align= icodec->block_align;
1979 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1980 codec->block_align= 0;
1981 if(codec->codec_id == CODEC_ID_AC3)
1982 codec->block_align= 0;
1984 case AVMEDIA_TYPE_VIDEO:
1985 codec->pix_fmt = icodec->pix_fmt;
1986 codec->width = icodec->width;
1987 codec->height = icodec->height;
1988 codec->has_b_frames = icodec->has_b_frames;
1989 if (!codec->sample_aspect_ratio.num) {
1990 codec->sample_aspect_ratio =
1991 ost->st->sample_aspect_ratio =
1992 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1993 ist->st->codec->sample_aspect_ratio.num ?
1994 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1997 case AVMEDIA_TYPE_SUBTITLE:
1998 codec->width = icodec->width;
1999 codec->height = icodec->height;
2001 case AVMEDIA_TYPE_DATA:
2008 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2009 switch(codec->codec_type) {
2010 case AVMEDIA_TYPE_AUDIO:
2011 ost->fifo= av_fifo_alloc(1024);
2013 return AVERROR(ENOMEM);
2015 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2016 if (!codec->sample_rate) {
2017 codec->sample_rate = icodec->sample_rate;
2019 codec->sample_rate >>= icodec->lowres;
2021 choose_sample_rate(ost->st, ost->enc);
2022 codec->time_base = (AVRational){1, codec->sample_rate};
2023 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2024 codec->sample_fmt = icodec->sample_fmt;
2025 choose_sample_fmt(ost->st, ost->enc);
2026 if (!codec->channels)
2027 codec->channels = icodec->channels;
2028 codec->channel_layout = icodec->channel_layout;
2029 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2030 codec->channel_layout = 0;
2031 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2032 icodec->request_channels = codec->channels;
2033 ist->decoding_needed = 1;
2034 ost->encoding_needed = 1;
2035 ost->resample_sample_fmt = icodec->sample_fmt;
2036 ost->resample_sample_rate = icodec->sample_rate;
2037 ost->resample_channels = icodec->channels;
2039 case AVMEDIA_TYPE_VIDEO:
2040 if (codec->pix_fmt == PIX_FMT_NONE)
2041 codec->pix_fmt = icodec->pix_fmt;
2042 choose_pixel_fmt(ost->st, ost->enc);
2044 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2045 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2049 if (!codec->width || !codec->height) {
2050 codec->width = icodec->width;
2051 codec->height = icodec->height;
2054 ost->video_resample = codec->width != icodec->width ||
2055 codec->height != icodec->height ||
2056 codec->pix_fmt != icodec->pix_fmt;
2057 if (ost->video_resample) {
2058 #if !CONFIG_AVFILTER
2059 avcodec_get_frame_defaults(&ost->pict_tmp);
2060 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2061 codec->width, codec->height)) {
2062 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2065 ost->img_resample_ctx = sws_getContext(
2072 ost->sws_flags, NULL, NULL, NULL);
2073 if (ost->img_resample_ctx == NULL) {
2074 fprintf(stderr, "Cannot get resampling context\n");
2078 codec->bits_per_raw_sample= 0;
2081 ost->resample_height = icodec->height;
2082 ost->resample_width = icodec->width;
2083 ost->resample_pix_fmt= icodec->pix_fmt;
2084 ost->encoding_needed = 1;
2085 ist->decoding_needed = 1;
2087 if (!ost->frame_rate.num)
2088 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2089 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2090 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2091 ost->frame_rate = ost->enc->supported_framerates[idx];
2093 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2096 if (configure_video_filters(ist, ost)) {
2097 fprintf(stderr, "Error opening filters!\n");
2102 case AVMEDIA_TYPE_SUBTITLE:
2103 ost->encoding_needed = 1;
2104 ist->decoding_needed = 1;
2111 if (ost->encoding_needed &&
2112 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2113 char logfilename[1024];
2116 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2117 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2119 if (codec->flags & CODEC_FLAG_PASS1) {
2120 f = fopen(logfilename, "wb");
2122 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2128 size_t logbuffer_size;
2129 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2130 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2133 codec->stats_in = logbuffer;
2137 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2138 int size= codec->width * codec->height;
2139 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2144 bit_buffer = av_malloc(bit_buffer_size);
2146 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2148 return AVERROR(ENOMEM);
2151 /* open each encoder */
2152 for (i = 0; i < nb_output_streams; i++) {
2153 ost = &output_streams[i];
2154 if (ost->encoding_needed) {
2155 AVCodec *codec = ost->enc;
2156 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2158 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2159 ost->st->codec->codec_id, ost->file_index, ost->index);
2160 ret = AVERROR(EINVAL);
2163 if (dec->subtitle_header) {
2164 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2165 if (!ost->st->codec->subtitle_header) {
2166 ret = AVERROR(ENOMEM);
2169 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2170 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2172 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2173 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2174 ost->file_index, ost->index);
2175 ret = AVERROR(EINVAL);
2178 assert_codec_experimental(ost->st->codec, 1);
2179 assert_avoptions(ost->opts);
2180 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2181 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2182 "It takes bits/s as argument, not kbits/s\n");
2183 extra_size += ost->st->codec->extradata_size;
2187 /* init input streams */
2188 for (i = 0; i < nb_input_streams; i++)
2189 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2192 /* discard unused programs */
2193 for (i = 0; i < nb_input_files; i++) {
2194 InputFile *ifile = &input_files[i];
2195 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2196 AVProgram *p = ifile->ctx->programs[j];
2197 int discard = AVDISCARD_ALL;
2199 for (k = 0; k < p->nb_stream_indexes; k++)
2200 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2201 discard = AVDISCARD_DEFAULT;
2204 p->discard = discard;
2208 /* open files and write file headers */
2209 for (i = 0; i < nb_output_files; i++) {
2210 os = output_files[i].ctx;
2211 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2212 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2213 ret = AVERROR(EINVAL);
2216 assert_avoptions(output_files[i].opts);
2217 if (strcmp(os->oformat->name, "rtp")) {
2223 /* dump the file output parameters - cannot be done before in case
2225 for(i=0;i<nb_output_files;i++) {
2226 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2229 /* dump the stream mapping */
2231 fprintf(stderr, "Stream mapping:\n");
2232 for (i = 0; i < nb_output_streams;i ++) {
2233 ost = &output_streams[i];
2234 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2235 input_streams[ost->source_index].file_index,
2236 input_streams[ost->source_index].st->index,
2239 if (ost->sync_ist != &input_streams[ost->source_index])
2240 fprintf(stderr, " [sync #%d.%d]",
2241 ost->sync_ist->file_index,
2242 ost->sync_ist->st->index);
2243 if (ost->st->stream_copy)
2244 fprintf(stderr, " (copy)");
2246 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2247 input_streams[ost->source_index].dec->name : "?",
2248 ost->enc ? ost->enc->name : "?");
2249 fprintf(stderr, "\n");
2254 fprintf(stderr, "%s\n", error);
2259 print_sdp(output_files, nb_output_files);
2266 * The following code is the main loop of the file converter
2268 static int transcode(OutputFile *output_files,
2269 int nb_output_files,
2270 InputFile *input_files,
2274 AVFormatContext *is, *os;
2278 int no_packet_count=0;
2279 int64_t timer_start;
2281 if (!(no_packet = av_mallocz(nb_input_files)))
2284 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2289 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2292 timer_start = av_gettime();
2294 for(; received_sigterm == 0;) {
2295 int file_index, ist_index;
2300 ipts_min = INT64_MAX;
2303 /* select the stream that we must read now by looking at the
2304 smallest output pts */
2306 for (i = 0; i < nb_output_streams; i++) {
2310 ost = &output_streams[i];
2311 of = &output_files[ost->file_index];
2312 os = output_files[ost->file_index].ctx;
2313 ist = &input_streams[ost->source_index];
2314 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2315 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2317 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2319 if (!input_files[ist->file_index].eof_reached){
2320 if(ipts < ipts_min) {
2322 if(input_sync ) file_index = ist->file_index;
2324 if(opts < opts_min) {
2326 if(!input_sync) file_index = ist->file_index;
2329 if (ost->frame_number >= ost->max_frames) {
2331 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2332 output_streams[j].is_past_recording_time = 1;
2336 /* if none, if is finished */
2337 if (file_index < 0) {
2338 if(no_packet_count){
2340 memset(no_packet, 0, nb_input_files);
2347 /* read a frame from it and output it in the fifo */
2348 is = input_files[file_index].ctx;
2349 ret= av_read_frame(is, &pkt);
2350 if(ret == AVERROR(EAGAIN)){
2351 no_packet[file_index]=1;
2356 input_files[file_index].eof_reached = 1;
2364 memset(no_packet, 0, nb_input_files);
2367 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2368 is->streams[pkt.stream_index]);
2370 /* the following test is needed in case new streams appear
2371 dynamically in stream : we ignore them */
2372 if (pkt.stream_index >= input_files[file_index].nb_streams)
2373 goto discard_packet;
2374 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2375 ist = &input_streams[ist_index];
2377 goto discard_packet;
2379 if (pkt.dts != AV_NOPTS_VALUE)
2380 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2381 if (pkt.pts != AV_NOPTS_VALUE)
2382 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2384 if(pkt.pts != AV_NOPTS_VALUE)
2385 pkt.pts *= ist->ts_scale;
2386 if(pkt.dts != AV_NOPTS_VALUE)
2387 pkt.dts *= ist->ts_scale;
2389 // 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);
2390 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2391 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2392 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2393 int64_t delta= pkt_dts - ist->next_pts;
2394 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2395 input_files[ist->file_index].ts_offset -= delta;
2397 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2398 delta, input_files[ist->file_index].ts_offset);
2399 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2400 if(pkt.pts != AV_NOPTS_VALUE)
2401 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2405 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2406 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2409 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2410 ist->file_index, ist->st->index);
2413 av_free_packet(&pkt);
2418 av_free_packet(&pkt);
2420 /* dump report by using the output first video and audio streams */
2421 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2424 /* at the end of stream, we must flush the decoder buffers */
2425 for (i = 0; i < nb_input_streams; i++) {
2426 ist = &input_streams[i];
2427 if (ist->decoding_needed) {
2428 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2431 flush_encoders(output_streams, nb_output_streams);
2435 /* write the trailer if needed and close file */
2436 for(i=0;i<nb_output_files;i++) {
2437 os = output_files[i].ctx;
2438 av_write_trailer(os);
2441 /* dump report by using the first video and audio streams */
2442 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2444 /* close each encoder */
2445 for (i = 0; i < nb_output_streams; i++) {
2446 ost = &output_streams[i];
2447 if (ost->encoding_needed) {
2448 av_freep(&ost->st->codec->stats_in);
2449 avcodec_close(ost->st->codec);
2452 avfilter_graph_free(&ost->graph);
2456 /* close each decoder */
2457 for (i = 0; i < nb_input_streams; i++) {
2458 ist = &input_streams[i];
2459 if (ist->decoding_needed) {
2460 avcodec_close(ist->st->codec);
2468 av_freep(&bit_buffer);
2469 av_freep(&no_packet);
2471 if (output_streams) {
2472 for (i = 0; i < nb_output_streams; i++) {
2473 ost = &output_streams[i];
2475 if (ost->st->stream_copy)
2476 av_freep(&ost->st->codec->extradata);
2478 fclose(ost->logfile);
2479 ost->logfile = NULL;
2481 av_fifo_free(ost->fifo); /* works even if fifo is not
2482 initialized but set to zero */
2483 av_freep(&ost->st->codec->subtitle_header);
2484 av_free(ost->pict_tmp.data[0]);
2485 av_free(ost->forced_kf_pts);
2486 if (ost->video_resample)
2487 sws_freeContext(ost->img_resample_ctx);
2489 audio_resample_close(ost->resample);
2490 if (ost->reformat_ctx)
2491 av_audio_convert_free(ost->reformat_ctx);
2492 av_dict_free(&ost->opts);
2499 static int opt_video_rc_override_string(const char *opt, const char *arg)
2501 video_rc_override_string = arg;
2505 static int opt_me_threshold(const char *opt, const char *arg)
2507 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2511 static int opt_verbose(const char *opt, const char *arg)
2513 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2517 static int opt_frame_rate(const char *opt, const char *arg)
2519 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2520 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2526 static int opt_frame_size(const char *opt, const char *arg)
2528 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2529 fprintf(stderr, "Incorrect frame size\n");
2530 return AVERROR(EINVAL);
2535 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2537 if (strcmp(arg, "list")) {
2538 frame_pix_fmt = av_get_pix_fmt(arg);
2539 if (frame_pix_fmt == PIX_FMT_NONE) {
2540 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2541 return AVERROR(EINVAL);
2550 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2557 p = strchr(arg, ':');
2559 x = strtol(arg, &end, 10);
2561 y = strtol(end+1, &end, 10);
2563 ar = (double)x / (double)y;
2565 ar = strtod(arg, NULL);
2568 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2569 return AVERROR(EINVAL);
2571 frame_aspect_ratio = ar;
2575 static int opt_qscale(const char *opt, const char *arg)
2577 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2578 if (video_qscale == 0) {
2579 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2580 return AVERROR(EINVAL);
2585 static int opt_top_field_first(const char *opt, const char *arg)
2587 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2591 static int opt_audio_rate(const char *opt, const char *arg)
2593 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2597 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2599 return parse_option(o, "codec:a", arg, options);
2602 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2604 return parse_option(o, "codec:v", arg, options);
2607 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2609 return parse_option(o, "codec:s", arg, options);
2612 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2614 return parse_option(o, "codec:d", arg, options);
2617 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2619 StreamMap *m = NULL;
2620 int i, negative = 0, file_idx;
2621 int sync_file_idx = -1, sync_stream_idx;
2629 map = av_strdup(arg);
2631 /* parse sync stream first, just pick first matching stream */
2632 if (sync = strchr(map, ',')) {
2634 sync_file_idx = strtol(sync + 1, &sync, 0);
2635 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2636 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2641 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2642 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2643 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2644 sync_stream_idx = i;
2647 if (i == input_files[sync_file_idx].nb_streams) {
2648 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2649 "match any streams.\n", arg);
2655 file_idx = strtol(map, &p, 0);
2656 if (file_idx >= nb_input_files || file_idx < 0) {
2657 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2661 /* disable some already defined maps */
2662 for (i = 0; i < o->nb_stream_maps; i++) {
2663 m = &o->stream_maps[i];
2664 if (check_stream_specifier(input_files[m->file_index].ctx,
2665 input_files[m->file_index].ctx->streams[m->stream_index],
2666 *p == ':' ? p + 1 : p) > 0)
2670 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2671 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2672 *p == ':' ? p + 1 : p) <= 0)
2674 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2675 &o->nb_stream_maps, o->nb_stream_maps + 1);
2676 m = &o->stream_maps[o->nb_stream_maps - 1];
2678 m->file_index = file_idx;
2679 m->stream_index = i;
2681 if (sync_file_idx >= 0) {
2682 m->sync_file_index = sync_file_idx;
2683 m->sync_stream_index = sync_stream_idx;
2685 m->sync_file_index = file_idx;
2686 m->sync_stream_index = i;
2691 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2699 static void parse_meta_type(char *arg, char *type, int *index)
2709 if (*(++arg) == ':')
2710 *index = strtol(++arg, NULL, 0);
2713 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2720 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2722 MetadataMap *m, *m1;
2725 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2726 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2728 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2729 m->file = strtol(arg, &p, 0);
2730 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2732 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2733 if (p = strchr(opt, ':'))
2734 parse_meta_type(p + 1, &m1->type, &m1->index);
2738 if (m->type == 'g' || m1->type == 'g')
2739 o->metadata_global_manual = 1;
2740 if (m->type == 's' || m1->type == 's')
2741 o->metadata_streams_manual = 1;
2742 if (m->type == 'c' || m1->type == 'c')
2743 o->metadata_chapters_manual = 1;
2748 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2750 const char *codec_string = encoder ? "encoder" : "decoder";
2754 return CODEC_ID_NONE;
2756 avcodec_find_encoder_by_name(name) :
2757 avcodec_find_decoder_by_name(name);
2759 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2762 if(codec->type != type) {
2763 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2769 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2771 char *codec_name = NULL;
2773 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2777 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2778 return avcodec_find_encoder(st->codec->codec_id);
2780 } else if (!strcmp(codec_name, "copy"))
2781 st->stream_copy = 1;
2783 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2784 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2785 avcodec_find_decoder_by_name(codec_name);
2792 * Add all the streams from the given input file to the global
2793 * list of input streams.
2795 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2797 int i, rfps, rfps_base;
2799 for (i = 0; i < ic->nb_streams; i++) {
2800 AVStream *st = ic->streams[i];
2801 AVCodecContext *dec = st->codec;
2805 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2806 ist = &input_streams[nb_input_streams - 1];
2808 ist->file_index = nb_input_files;
2810 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2812 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2813 ist->ts_scale = scale;
2815 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2817 ist->dec = avcodec_find_decoder(dec->codec_id);
2819 switch (dec->codec_type) {
2820 case AVMEDIA_TYPE_AUDIO:
2821 if (o->audio_disable)
2822 st->discard= AVDISCARD_ALL;
2824 case AVMEDIA_TYPE_VIDEO:
2825 rfps = ic->streams[i]->r_frame_rate.num;
2826 rfps_base = ic->streams[i]->r_frame_rate.den;
2828 dec->flags |= CODEC_FLAG_EMU_EDGE;
2829 dec->height >>= dec->lowres;
2830 dec->width >>= dec->lowres;
2833 dec->debug |= FF_DEBUG_MV;
2835 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2838 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2839 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2841 (float)rfps / rfps_base, rfps, rfps_base);
2844 if (o->video_disable)
2845 st->discard= AVDISCARD_ALL;
2846 else if(video_discard)
2847 st->discard= video_discard;
2849 case AVMEDIA_TYPE_DATA:
2851 case AVMEDIA_TYPE_SUBTITLE:
2852 if (o->subtitle_disable)
2853 st->discard = AVDISCARD_ALL;
2855 case AVMEDIA_TYPE_ATTACHMENT:
2856 case AVMEDIA_TYPE_UNKNOWN:
2864 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2866 AVFormatContext *ic;
2867 AVInputFormat *file_iformat = NULL;
2871 AVDictionary **opts;
2872 int orig_nb_streams; // number of streams before avformat_find_stream_info
2875 if (!(file_iformat = av_find_input_format(o->format))) {
2876 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2881 if (!strcmp(filename, "-"))
2884 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2885 !strcmp(filename, "/dev/stdin");
2887 /* get default parameters from command line */
2888 ic = avformat_alloc_context();
2890 print_error(filename, AVERROR(ENOMEM));
2893 if (audio_sample_rate) {
2894 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2895 av_dict_set(&format_opts, "sample_rate", buf, 0);
2897 if (o->nb_audio_channels) {
2898 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
2899 av_dict_set(&format_opts, "channels", buf, 0);
2901 if (frame_rate.num) {
2902 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2903 av_dict_set(&format_opts, "framerate", buf, 0);
2905 if (frame_width && frame_height) {
2906 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2907 av_dict_set(&format_opts, "video_size", buf, 0);
2909 if (frame_pix_fmt != PIX_FMT_NONE)
2910 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2912 ic->flags |= AVFMT_FLAG_NONBLOCK;
2914 /* open the input file with generic libav function */
2915 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2917 print_error(filename, err);
2920 assert_avoptions(format_opts);
2922 /* apply forced codec ids */
2923 for (i = 0; i < ic->nb_streams; i++)
2924 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2926 /* Set AVCodecContext options for avformat_find_stream_info */
2927 opts = setup_find_stream_info_opts(ic, codec_opts);
2928 orig_nb_streams = ic->nb_streams;
2930 /* If not enough info to get the stream parameters, we decode the
2931 first frames to get it. (used in mpeg case for example) */
2932 ret = avformat_find_stream_info(ic, opts);
2933 if (ret < 0 && verbose >= 0) {
2934 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2935 av_close_input_file(ic);
2939 timestamp = o->start_time;
2940 /* add the stream start time */
2941 if (ic->start_time != AV_NOPTS_VALUE)
2942 timestamp += ic->start_time;
2944 /* if seeking requested, we execute it */
2945 if (o->start_time != 0) {
2946 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2948 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2949 filename, (double)timestamp / AV_TIME_BASE);
2953 /* update the current parameters so that they match the one of the input stream */
2954 add_input_streams(o, ic);
2956 /* dump the file content */
2958 av_dump_format(ic, nb_input_files, filename, 0);
2960 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2961 input_files[nb_input_files - 1].ctx = ic;
2962 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
2963 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
2964 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
2966 frame_rate = (AVRational){0, 0};
2967 frame_pix_fmt = PIX_FMT_NONE;
2970 audio_sample_rate = 0;
2972 for (i = 0; i < orig_nb_streams; i++)
2973 av_dict_free(&opts[i]);
2980 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2981 AVCodecContext *avctx)
2987 for (p = kf; *p; p++)
2990 ost->forced_kf_count = n;
2991 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2992 if (!ost->forced_kf_pts) {
2993 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2996 for (i = 0; i < n; i++) {
2997 p = i ? strchr(p, ',') + 1 : kf;
2998 t = parse_time_or_die("force_key_frames", p, 1);
2999 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3003 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3006 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3007 int idx = oc->nb_streams - 1;
3008 int64_t max_frames = INT64_MAX;
3009 char *bsf = NULL, *next, *codec_tag = NULL;
3010 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3013 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3017 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3018 nb_output_streams + 1);
3019 ost = &output_streams[nb_output_streams - 1];
3020 ost->file_index = nb_output_files;
3023 st->codec->codec_type = type;
3024 ost->enc = choose_codec(o, oc, st, type);
3026 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3029 avcodec_get_context_defaults3(st->codec, ost->enc);
3030 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3032 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3033 ost->max_frames = max_frames;
3035 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3037 if (next = strchr(bsf, ','))
3039 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3040 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
3044 bsfc_prev->next = bsfc;
3046 ost->bitstream_filters = bsfc;
3052 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3054 uint32_t tag = strtol(codec_tag, &next, 0);
3056 tag = AV_RL32(codec_tag);
3057 st->codec->codec_tag = tag;
3060 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3064 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3068 AVCodecContext *video_enc;
3070 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3072 if (!st->stream_copy) {
3073 ost->frame_aspect_ratio = frame_aspect_ratio;
3074 frame_aspect_ratio = 0;
3076 ost->avfilter= vfilters;
3081 video_enc = st->codec;
3083 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3084 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3087 if (st->stream_copy) {
3088 video_enc->sample_aspect_ratio =
3089 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3095 ost->frame_rate = frame_rate;
3097 video_enc->width = frame_width;
3098 video_enc->height = frame_height;
3099 video_enc->pix_fmt = frame_pix_fmt;
3100 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3102 if (video_qscale || same_quant) {
3103 video_enc->flags |= CODEC_FLAG_QSCALE;
3104 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3108 video_enc->intra_matrix = intra_matrix;
3110 video_enc->inter_matrix = inter_matrix;
3112 p= video_rc_override_string;
3115 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3117 fprintf(stderr, "error parsing rc_override\n");
3120 video_enc->rc_override=
3121 av_realloc(video_enc->rc_override,
3122 sizeof(RcOverride)*(i+1));
3123 video_enc->rc_override[i].start_frame= start;
3124 video_enc->rc_override[i].end_frame = end;
3126 video_enc->rc_override[i].qscale= q;
3127 video_enc->rc_override[i].quality_factor= 1.0;
3130 video_enc->rc_override[i].qscale= 0;
3131 video_enc->rc_override[i].quality_factor= -q/100.0;
3136 video_enc->rc_override_count=i;
3137 if (!video_enc->rc_initial_buffer_occupancy)
3138 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3139 video_enc->me_threshold= me_threshold;
3140 video_enc->intra_dc_precision= intra_dc_precision - 8;
3143 video_enc->flags|= CODEC_FLAG_PSNR;
3148 video_enc->flags |= CODEC_FLAG_PASS1;
3150 video_enc->flags |= CODEC_FLAG_PASS2;
3154 if (forced_key_frames)
3155 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3158 /* reset some key parameters */
3159 av_freep(&forced_key_frames);
3160 frame_pix_fmt = PIX_FMT_NONE;
3164 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3168 AVCodecContext *audio_enc;
3170 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3173 audio_enc = st->codec;
3174 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3176 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3177 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3179 if (!st->stream_copy) {
3180 char *sample_fmt = NULL;
3182 if (audio_qscale > QSCALE_NONE) {
3183 audio_enc->flags |= CODEC_FLAG_QSCALE;
3184 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3186 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3188 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3190 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3191 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", sample_fmt);
3195 if (audio_sample_rate)
3196 audio_enc->sample_rate = audio_sample_rate;
3202 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3206 AVCodecContext *data_enc;
3208 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3210 data_enc = st->codec;
3211 if (!st->stream_copy) {
3212 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3216 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3217 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3223 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3227 AVCodecContext *subtitle_enc;
3229 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3231 subtitle_enc = st->codec;
3233 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3235 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3236 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3242 /* arg format is "output-stream-index:streamid-value". */
3243 static int opt_streamid(const char *opt, const char *arg)
3249 av_strlcpy(idx_str, arg, sizeof(idx_str));
3250 p = strchr(idx_str, ':');
3253 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3258 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3259 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3260 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3264 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3266 AVFormatContext *is = ifile->ctx;
3267 AVFormatContext *os = ofile->ctx;
3270 for (i = 0; i < is->nb_chapters; i++) {
3271 AVChapter *in_ch = is->chapters[i], *out_ch;
3272 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3273 AV_TIME_BASE_Q, in_ch->time_base);
3274 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3275 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3278 if (in_ch->end < ts_off)
3280 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3283 out_ch = av_mallocz(sizeof(AVChapter));
3285 return AVERROR(ENOMEM);
3287 out_ch->id = in_ch->id;
3288 out_ch->time_base = in_ch->time_base;
3289 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3290 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3293 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3296 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3298 return AVERROR(ENOMEM);
3299 os->chapters[os->nb_chapters - 1] = out_ch;
3304 static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3307 AVFormatContext *ic = NULL;
3309 err = avformat_open_input(&ic, filename, NULL, NULL);
3312 /* copy stream format */
3313 for(i=0;i<ic->nb_streams;i++) {
3318 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3319 ost = new_output_stream(o, s, codec->type);
3322 // FIXME: a more elegant solution is needed
3323 memcpy(st, ic->streams[i], sizeof(AVStream));
3325 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3327 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3328 choose_sample_fmt(st, codec);
3329 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3330 choose_pixel_fmt(st, codec);
3333 av_close_input_file(ic);
3337 static void opt_output_file(void *optctx, const char *filename)
3339 OptionsContext *o = optctx;
3340 AVFormatContext *oc;
3342 AVOutputFormat *file_oformat;
3346 if (!strcmp(filename, "-"))
3349 oc = avformat_alloc_context();
3351 print_error(filename, AVERROR(ENOMEM));
3356 file_oformat = av_guess_format(o->format, NULL, NULL);
3357 if (!file_oformat) {
3358 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
3362 file_oformat = av_guess_format(NULL, filename, NULL);
3363 if (!file_oformat) {
3364 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3370 oc->oformat = file_oformat;
3371 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3373 if (!strcmp(file_oformat->name, "ffm") &&
3374 av_strstart(filename, "http:", NULL)) {
3375 /* special case for files sent to avserver: we get the stream
3376 parameters from avserver */
3377 int err = read_avserver_streams(o, oc, filename);
3379 print_error(filename, err);
3382 } else if (!o->nb_stream_maps) {
3383 /* pick the "best" stream of each type */
3384 #define NEW_STREAM(type, index)\
3386 ost = new_ ## type ## _stream(o, oc);\
3387 ost->source_index = index;\
3388 ost->sync_ist = &input_streams[index];\
3389 input_streams[index].discard = 0;\
3392 /* video: highest resolution */
3393 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3394 int area = 0, idx = -1;
3395 for (i = 0; i < nb_input_streams; i++) {
3396 ist = &input_streams[i];
3397 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3398 ist->st->codec->width * ist->st->codec->height > area) {
3399 area = ist->st->codec->width * ist->st->codec->height;
3403 NEW_STREAM(video, idx);
3406 /* audio: most channels */
3407 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3408 int channels = 0, idx = -1;
3409 for (i = 0; i < nb_input_streams; i++) {
3410 ist = &input_streams[i];
3411 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3412 ist->st->codec->channels > channels) {
3413 channels = ist->st->codec->channels;
3417 NEW_STREAM(audio, idx);
3420 /* subtitles: pick first */
3421 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3422 for (i = 0; i < nb_input_streams; i++)
3423 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3424 NEW_STREAM(subtitle, i);
3428 /* do something with data? */
3430 for (i = 0; i < o->nb_stream_maps; i++) {
3431 StreamMap *map = &o->stream_maps[i];
3436 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3437 switch (ist->st->codec->codec_type) {
3438 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3439 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3440 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3441 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3443 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3444 map->file_index, map->stream_index);
3448 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3449 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3450 map->sync_stream_index];
3455 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3456 output_files[nb_output_files - 1].ctx = oc;
3457 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3458 output_files[nb_output_files - 1].recording_time = o->recording_time;
3459 output_files[nb_output_files - 1].start_time = o->start_time;
3460 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3461 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3463 /* check filename in case of an image number is expected */
3464 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3465 if (!av_filename_number_test(oc->filename)) {
3466 print_error(oc->filename, AVERROR(EINVAL));
3471 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3472 /* test if it already exists to avoid loosing precious files */
3473 if (!file_overwrite &&
3474 (strchr(filename, ':') == NULL ||
3475 filename[1] == ':' ||
3476 av_strstart(filename, "file:", NULL))) {
3477 if (avio_check(filename, 0) == 0) {
3479 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3481 if (!read_yesno()) {
3482 fprintf(stderr, "Not overwriting - exiting\n");
3487 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3494 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3495 print_error(filename, err);
3500 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3501 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3502 oc->flags |= AVFMT_FLAG_NONBLOCK;
3505 if (o->chapters_input_file >= nb_input_files) {
3506 if (o->chapters_input_file == INT_MAX) {
3507 /* copy chapters from the first input file that has them*/
3508 o->chapters_input_file = -1;
3509 for (i = 0; i < nb_input_files; i++)
3510 if (input_files[i].ctx->nb_chapters) {
3511 o->chapters_input_file = i;
3515 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3516 o->chapters_input_file);
3520 if (o->chapters_input_file >= 0)
3521 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3522 o->metadata_chapters_manual);
3525 for (i = 0; i < o->nb_meta_data_maps; i++) {
3526 AVFormatContext *files[2];
3527 AVDictionary **meta[2];
3530 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3531 if ((index) < 0 || (index) >= (nb_elems)) {\
3532 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3537 int in_file_index = o->meta_data_maps[i][1].file;
3538 if (in_file_index < 0)
3540 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3543 files[1] = input_files[in_file_index].ctx;
3545 for (j = 0; j < 2; j++) {
3546 MetadataMap *map = &o->meta_data_maps[i][j];
3548 switch (map->type) {
3550 meta[j] = &files[j]->metadata;
3553 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3554 meta[j] = &files[j]->streams[map->index]->metadata;
3557 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3558 meta[j] = &files[j]->chapters[map->index]->metadata;
3561 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3562 meta[j] = &files[j]->programs[map->index]->metadata;
3567 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3570 /* copy global metadata by default */
3571 if (!o->metadata_global_manual && nb_input_files)
3572 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3573 AV_DICT_DONT_OVERWRITE);
3574 if (!o->metadata_streams_manual)
3575 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3576 InputStream *ist = &input_streams[output_streams[i].source_index];
3577 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3580 /* process manually set metadata */
3581 for (i = 0; i < o->nb_metadata; i++) {
3586 val = strchr(o->metadata[i].u.str, '=');
3588 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3589 o->metadata[i].u.str);
3594 parse_meta_type(o->metadata[i].specifier, &type, &index);
3600 if (index < 0 || index >= oc->nb_streams) {
3601 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3604 m = &oc->streams[i]->metadata;
3607 if (index < 0 || index >= oc->nb_chapters) {
3608 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3611 m = &oc->chapters[i]->metadata;
3614 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3618 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3621 frame_rate = (AVRational){0, 0};
3624 audio_sample_rate = 0;
3626 av_freep(&streamid_map);
3627 nb_streamid_map = 0;
3629 av_freep(&forced_key_frames);
3633 /* same option as mencoder */
3634 static int opt_pass(const char *opt, const char *arg)
3636 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3640 static int64_t getutime(void)
3643 struct rusage rusage;
3645 getrusage(RUSAGE_SELF, &rusage);
3646 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3647 #elif HAVE_GETPROCESSTIMES
3649 FILETIME c, e, k, u;
3650 proc = GetCurrentProcess();
3651 GetProcessTimes(proc, &c, &e, &k, &u);
3652 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3654 return av_gettime();
3658 static int64_t getmaxrss(void)
3660 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3661 struct rusage rusage;
3662 getrusage(RUSAGE_SELF, &rusage