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 uint16_t *intra_matrix = NULL;
109 static uint16_t *inter_matrix = NULL;
110 static const char *video_rc_override_string=NULL;
111 static int video_discard = 0;
112 static int same_quant = 0;
113 static int do_deinterlace = 0;
114 static int top_field_first = -1;
115 static int me_threshold = 0;
116 static int intra_dc_precision = 8;
117 static int qp_hist = 0;
119 static char *vfilters = NULL;
122 static int file_overwrite = 0;
123 static int do_benchmark = 0;
124 static int do_hex_dump = 0;
125 static int do_pkt_dump = 0;
126 static int do_psnr = 0;
127 static int do_pass = 0;
128 static char *pass_logfilename_prefix = NULL;
129 static int video_sync_method= -1;
130 static int audio_sync_method= 0;
131 static float audio_drift_threshold= 0.1;
132 static int copy_ts= 0;
134 static int opt_shortest = 0;
135 static char *vstats_filename;
136 static FILE *vstats_file;
137 static int copy_initial_nonkeyframes = 0;
139 static int audio_volume = 256;
141 static int exit_on_error = 0;
142 static int using_stdin = 0;
143 static int verbose = 1;
144 static int64_t video_size = 0;
145 static int64_t audio_size = 0;
146 static int64_t extra_size = 0;
147 static int nb_frames_dup = 0;
148 static int nb_frames_drop = 0;
149 static int input_sync;
151 static float dts_delta_threshold = 10;
153 static uint8_t *audio_buf;
154 static uint8_t *audio_out;
155 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
157 static short *samples;
159 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
161 typedef struct InputStream {
164 int discard; /* true if stream data should be discarded */
165 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
168 int64_t start; /* time when read started */
169 int64_t next_pts; /* synthetic pts for cases where pkt.pts
171 int64_t pts; /* current pts */
172 PtsCorrectionContext pts_ctx;
174 int is_start; /* is 1 at the start and after a discontinuity */
175 int showed_multi_packet_warning;
179 typedef struct InputFile {
180 AVFormatContext *ctx;
181 int eof_reached; /* true if eof reached */
182 int ist_index; /* index of first stream in ist_table */
183 int buffer_size; /* current total buffer size */
185 int nb_streams; /* number of stream that avconv is aware of; may be different
186 from ctx.nb_streams if new streams appear during av_read_frame() */
190 typedef struct OutputStream {
191 int file_index; /* file index */
192 int index; /* stream index in the output file */
193 int source_index; /* InputStream index */
194 AVStream *st; /* stream in the output file */
195 int encoding_needed; /* true if encoding needed for this stream */
197 /* input pts and corresponding output pts
199 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
200 struct InputStream *sync_ist; /* input stream to sync against */
201 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
202 AVBitStreamFilterContext *bitstream_filters;
208 AVFrame pict_tmp; /* temporary image for resampling */
209 struct SwsContext *img_resample_ctx; /* for image resampling */
212 int resample_pix_fmt;
213 AVRational frame_rate;
216 float frame_aspect_ratio;
218 /* forced key frames */
219 int64_t *forced_kf_pts;
225 ReSampleContext *resample; /* for audio resampling */
226 int resample_sample_fmt;
227 int resample_channels;
228 int resample_sample_rate;
230 AVAudioConvert *reformat_ctx;
231 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
235 AVFilterContext *output_video_filter;
236 AVFilterContext *input_video_filter;
237 AVFilterBufferRef *picref;
239 AVFilterGraph *graph;
244 int is_past_recording_time;
248 typedef struct OutputFile {
249 AVFormatContext *ctx;
251 int ost_index; /* index of the first stream in output_streams */
252 int64_t recording_time; /* desired length of the resulting file in microseconds */
253 int64_t start_time; /* start time in microseconds */
254 uint64_t limit_filesize;
257 static InputStream *input_streams = NULL;
258 static int nb_input_streams = 0;
259 static InputFile *input_files = NULL;
260 static int nb_input_files = 0;
262 static OutputStream *output_streams = NULL;
263 static int nb_output_streams = 0;
264 static OutputFile *output_files = NULL;
265 static int nb_output_files = 0;
267 typedef struct OptionsContext {
268 /* input/output options */
272 SpecifierOpt *codec_names;
274 SpecifierOpt *audio_channels;
275 int nb_audio_channels;
276 SpecifierOpt *audio_sample_rate;
277 int nb_audio_sample_rate;
278 SpecifierOpt *frame_rates;
282 int64_t input_ts_offset;
285 SpecifierOpt *ts_scale;
289 StreamMap *stream_maps;
291 /* first item specifies output metadata, second is input */
292 MetadataMap (*meta_data_maps)[2];
293 int nb_meta_data_maps;
294 int metadata_global_manual;
295 int metadata_streams_manual;
296 int metadata_chapters_manual;
298 int chapters_input_file;
300 int64_t recording_time;
301 uint64_t limit_filesize;
307 int subtitle_disable;
310 SpecifierOpt *metadata;
312 SpecifierOpt *max_frames;
314 SpecifierOpt *bitstream_filters;
315 int nb_bitstream_filters;
316 SpecifierOpt *codec_tags;
318 SpecifierOpt *sample_fmts;
320 SpecifierOpt *qscale;
322 SpecifierOpt *forced_key_frames;
323 int nb_forced_key_frames;
324 SpecifierOpt *force_fps;
328 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
331 for (i = 0; i < o->nb_ ## name; i++) {\
332 char *spec = o->name[i].specifier;\
333 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
334 outvar = o->name[i].u.type;\
340 static void reset_options(OptionsContext *o)
342 const OptionDef *po = options;
344 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
346 void *dst = (uint8_t*)o + po->u.off;
348 if (po->flags & OPT_SPEC) {
349 SpecifierOpt **so = dst;
350 int i, *count = (int*)(so + 1);
351 for (i = 0; i < *count; i++) {
352 av_freep(&(*so)[i].specifier);
353 if (po->flags & OPT_STRING)
354 av_freep(&(*so)[i].u.str);
358 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
363 av_freep(&o->stream_maps);
364 av_freep(&o->meta_data_maps);
366 memset(o, 0, sizeof(*o));
368 o->mux_preload = 0.5;
369 o->mux_max_delay = 0.7;
370 o->recording_time = INT64_MAX;
371 o->limit_filesize = UINT64_MAX;
372 o->chapters_input_file = INT_MAX;
380 static int configure_video_filters(InputStream *ist, OutputStream *ost)
382 AVFilterContext *last_filter, *filter;
383 /** filter graph containing all filters including input & output */
384 AVCodecContext *codec = ost->st->codec;
385 AVCodecContext *icodec = ist->st->codec;
386 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
387 AVRational sample_aspect_ratio;
391 ost->graph = avfilter_graph_alloc();
393 if (ist->st->sample_aspect_ratio.num){
394 sample_aspect_ratio = ist->st->sample_aspect_ratio;
396 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
398 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
399 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
400 sample_aspect_ratio.num, sample_aspect_ratio.den);
402 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
403 "src", args, NULL, ost->graph);
406 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
407 "out", NULL, &ffsink_ctx, ost->graph);
410 last_filter = ost->input_video_filter;
412 if (codec->width != icodec->width || codec->height != icodec->height) {
413 snprintf(args, 255, "%d:%d:flags=0x%X",
417 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
418 NULL, args, NULL, ost->graph)) < 0)
420 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
422 last_filter = filter;
425 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
426 ost->graph->scale_sws_opts = av_strdup(args);
429 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
430 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
432 outputs->name = av_strdup("in");
433 outputs->filter_ctx = last_filter;
434 outputs->pad_idx = 0;
435 outputs->next = NULL;
437 inputs->name = av_strdup("out");
438 inputs->filter_ctx = ost->output_video_filter;
442 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
444 av_freep(&ost->avfilter);
446 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
450 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
453 codec->width = ost->output_video_filter->inputs[0]->w;
454 codec->height = ost->output_video_filter->inputs[0]->h;
455 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
456 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
457 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
458 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
462 #endif /* CONFIG_AVFILTER */
464 static void term_exit(void)
466 av_log(NULL, AV_LOG_QUIET, "");
469 static volatile int received_sigterm = 0;
470 static volatile int received_nb_signals = 0;
473 sigterm_handler(int sig)
475 received_sigterm = sig;
476 received_nb_signals++;
480 static void term_init(void)
482 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
483 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
485 signal(SIGXCPU, sigterm_handler);
489 static int decode_interrupt_cb(void)
491 return received_nb_signals > 1;
494 void exit_program(int ret)
499 for(i=0;i<nb_output_files;i++) {
500 AVFormatContext *s = output_files[i].ctx;
501 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
503 avformat_free_context(s);
504 av_dict_free(&output_files[i].opts);
506 for(i=0;i<nb_input_files;i++) {
507 av_close_input_file(input_files[i].ctx);
509 for (i = 0; i < nb_input_streams; i++)
510 av_dict_free(&input_streams[i].opts);
512 av_free(intra_matrix);
513 av_free(inter_matrix);
517 av_free(vstats_filename);
519 av_freep(&input_streams);
520 av_freep(&input_files);
521 av_freep(&output_streams);
522 av_freep(&output_files);
527 allocated_audio_buf_size= allocated_audio_out_size= 0;
534 if (received_sigterm) {
536 "Received signal %d: terminating.\n",
537 (int) received_sigterm);
541 exit(ret); /* not all OS-es handle main() return value */
544 static void assert_avoptions(AVDictionary *m)
546 AVDictionaryEntry *t;
547 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
548 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
553 static void assert_codec_experimental(AVCodecContext *c, int encoder)
555 const char *codec_string = encoder ? "encoder" : "decoder";
557 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
558 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
559 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
560 "results.\nAdd '-strict experimental' if you want to use it.\n",
561 codec_string, c->codec->name);
562 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
563 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
564 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
565 codec_string, codec->name);
570 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
572 if(codec && codec->sample_fmts){
573 const enum AVSampleFormat *p= codec->sample_fmts;
575 if(*p == st->codec->sample_fmt)
579 av_log(NULL, AV_LOG_WARNING,
580 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
581 av_get_sample_fmt_name(st->codec->sample_fmt),
583 av_get_sample_fmt_name(codec->sample_fmts[0]));
584 st->codec->sample_fmt = codec->sample_fmts[0];
590 * Update the requested input sample format based on the output sample format.
591 * This is currently only used to request float output from decoders which
592 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
593 * Ideally this will be removed in the future when decoders do not do format
594 * conversion and only output in their native format.
596 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
599 /* if sample formats match or a decoder sample format has already been
600 requested, just return */
601 if (enc->sample_fmt == dec->sample_fmt ||
602 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
605 /* if decoder supports more than one output format */
606 if (dec_codec && dec_codec->sample_fmts &&
607 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
608 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
609 const enum AVSampleFormat *p;
610 int min_dec = -1, min_inc = -1;
612 /* find a matching sample format in the encoder */
613 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
614 if (*p == enc->sample_fmt) {
615 dec->request_sample_fmt = *p;
617 } else if (*p > enc->sample_fmt) {
618 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
620 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
623 /* if none match, provide the one that matches quality closest */
624 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
625 enc->sample_fmt - min_dec;
629 static void choose_sample_rate(AVStream *st, AVCodec *codec)
631 if(codec && codec->supported_samplerates){
632 const int *p= codec->supported_samplerates;
634 int best_dist=INT_MAX;
636 int dist= abs(st->codec->sample_rate - *p);
637 if(dist < best_dist){
643 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
645 st->codec->sample_rate= best;
649 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
651 if(codec && codec->pix_fmts){
652 const enum PixelFormat *p= codec->pix_fmts;
653 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
654 if(st->codec->codec_id==CODEC_ID_MJPEG){
655 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
656 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
657 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};
661 if(*p == st->codec->pix_fmt)
665 if(st->codec->pix_fmt != PIX_FMT_NONE)
666 av_log(NULL, AV_LOG_WARNING,
667 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
668 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
670 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
671 st->codec->pix_fmt = codec->pix_fmts[0];
677 get_sync_ipts(const OutputStream *ost)
679 const InputStream *ist = ost->sync_ist;
680 OutputFile *of = &output_files[ost->file_index];
681 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
684 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
688 AVPacket new_pkt= *pkt;
689 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
690 &new_pkt.data, &new_pkt.size,
691 pkt->data, pkt->size,
692 pkt->flags & AV_PKT_FLAG_KEY);
695 new_pkt.destruct= av_destruct_packet;
697 fprintf(stderr, "%s failed for stream %d, codec %s",
698 bsfc->filter->name, pkt->stream_index,
699 avctx->codec ? avctx->codec->name : "copy");
709 ret= av_interleaved_write_frame(s, pkt);
711 print_error("av_interleaved_write_frame()", ret);
716 static void do_audio_out(AVFormatContext *s,
719 unsigned char *buf, int size)
722 int64_t audio_out_size, audio_buf_size;
723 int64_t allocated_for_size= size;
725 int size_out, frame_bytes, ret, resample_changed;
726 AVCodecContext *enc= ost->st->codec;
727 AVCodecContext *dec= ist->st->codec;
728 int osize = av_get_bytes_per_sample(enc->sample_fmt);
729 int isize = av_get_bytes_per_sample(dec->sample_fmt);
730 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
733 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
734 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
735 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
736 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
737 audio_buf_size*= osize*enc->channels;
739 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
740 if(coded_bps > 8*osize)
741 audio_out_size= audio_out_size * coded_bps / (8*osize);
742 audio_out_size += FF_MIN_BUFFER_SIZE;
744 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
745 fprintf(stderr, "Buffer sizes too large\n");
749 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
750 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
751 if (!audio_buf || !audio_out){
752 fprintf(stderr, "Out of memory in do_audio_out\n");
756 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
757 ost->audio_resample = 1;
759 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
760 ost->resample_channels != dec->channels ||
761 ost->resample_sample_rate != dec->sample_rate;
763 if ((ost->audio_resample && !ost->resample) || resample_changed) {
764 if (resample_changed) {
765 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",
766 ist->file_index, ist->st->index,
767 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
768 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
769 ost->resample_sample_fmt = dec->sample_fmt;
770 ost->resample_channels = dec->channels;
771 ost->resample_sample_rate = dec->sample_rate;
773 audio_resample_close(ost->resample);
775 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
776 if (audio_sync_method <= 1 &&
777 ost->resample_sample_fmt == enc->sample_fmt &&
778 ost->resample_channels == enc->channels &&
779 ost->resample_sample_rate == enc->sample_rate) {
780 ost->resample = NULL;
781 ost->audio_resample = 0;
782 } else if (ost->audio_resample) {
783 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
784 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
785 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
786 enc->sample_rate, dec->sample_rate,
787 enc->sample_fmt, dec->sample_fmt,
789 if (!ost->resample) {
790 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
791 dec->channels, dec->sample_rate,
792 enc->channels, enc->sample_rate);
798 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
799 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
800 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
801 if (ost->reformat_ctx)
802 av_audio_convert_free(ost->reformat_ctx);
803 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
804 dec->sample_fmt, 1, NULL, 0);
805 if (!ost->reformat_ctx) {
806 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
807 av_get_sample_fmt_name(dec->sample_fmt),
808 av_get_sample_fmt_name(enc->sample_fmt));
811 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
814 if(audio_sync_method){
815 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
816 - av_fifo_size(ost->fifo)/(enc->channels * 2);
817 double idelta= delta*dec->sample_rate / enc->sample_rate;
818 int byte_delta= ((int)idelta)*2*dec->channels;
820 //FIXME resample delay
821 if(fabs(delta) > 50){
822 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
824 byte_delta= FFMAX(byte_delta, -size);
828 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
833 static uint8_t *input_tmp= NULL;
834 input_tmp= av_realloc(input_tmp, byte_delta + size);
836 if(byte_delta > allocated_for_size - size){
837 allocated_for_size= byte_delta + (int64_t)size;
842 memset(input_tmp, 0, byte_delta);
843 memcpy(input_tmp + byte_delta, buf, size);
847 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
849 }else if(audio_sync_method>1){
850 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
851 av_assert0(ost->audio_resample);
853 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
854 // 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));
855 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
859 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
860 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
862 if (ost->audio_resample) {
864 size_out = audio_resample(ost->resample,
865 (short *)buftmp, (short *)buf,
866 size / (dec->channels * isize));
867 size_out = size_out * enc->channels * osize;
873 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
874 const void *ibuf[6]= {buftmp};
875 void *obuf[6]= {audio_buf};
876 int istride[6]= {isize};
877 int ostride[6]= {osize};
878 int len= size_out/istride[0];
879 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
880 printf("av_audio_convert() failed\n");
886 size_out = len*osize;
889 /* now encode as many frames as possible */
890 if (enc->frame_size > 1) {
891 /* output resampled raw samples */
892 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
893 fprintf(stderr, "av_fifo_realloc2() failed\n");
896 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
898 frame_bytes = enc->frame_size * osize * enc->channels;
900 while (av_fifo_size(ost->fifo) >= frame_bytes) {
902 av_init_packet(&pkt);
904 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
906 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
908 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
911 fprintf(stderr, "Audio encoding failed\n");
915 pkt.stream_index= ost->index;
918 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
919 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
920 pkt.flags |= AV_PKT_FLAG_KEY;
921 write_frame(s, &pkt, enc, ost->bitstream_filters);
923 ost->sync_opts += enc->frame_size;
927 av_init_packet(&pkt);
929 ost->sync_opts += size_out / (osize * enc->channels);
931 /* output a pcm frame */
932 /* determine the size of the coded buffer */
935 size_out = size_out*coded_bps/8;
937 if(size_out > audio_out_size){
938 fprintf(stderr, "Internal error, buffer size too small\n");
942 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
943 ret = avcodec_encode_audio(enc, audio_out, size_out,
946 fprintf(stderr, "Audio encoding failed\n");
950 pkt.stream_index= ost->index;
953 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
954 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
955 pkt.flags |= AV_PKT_FLAG_KEY;
956 write_frame(s, &pkt, enc, ost->bitstream_filters);
960 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
964 AVPicture picture_tmp;
967 dec = ist->st->codec;
969 /* deinterlace : must be done before any resize */
970 if (do_deinterlace) {
973 /* create temporary picture */
974 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
975 buf = av_malloc(size);
979 picture2 = &picture_tmp;
980 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
982 if(avpicture_deinterlace(picture2, picture,
983 dec->pix_fmt, dec->width, dec->height) < 0) {
984 /* if error, do not deinterlace */
985 fprintf(stderr, "Deinterlacing failed\n");
994 if (picture != picture2)
995 *picture = *picture2;
999 static void do_subtitle_out(AVFormatContext *s,
1005 static uint8_t *subtitle_out = NULL;
1006 int subtitle_out_max_size = 1024 * 1024;
1007 int subtitle_out_size, nb, i;
1008 AVCodecContext *enc;
1011 if (pts == AV_NOPTS_VALUE) {
1012 fprintf(stderr, "Subtitle packets must have a pts\n");
1018 enc = ost->st->codec;
1020 if (!subtitle_out) {
1021 subtitle_out = av_malloc(subtitle_out_max_size);
1024 /* Note: DVB subtitle need one packet to draw them and one other
1025 packet to clear them */
1026 /* XXX: signal it in the codec context ? */
1027 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1032 for(i = 0; i < nb; i++) {
1033 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1034 // start_display_time is required to be 0
1035 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1036 sub->end_display_time -= sub->start_display_time;
1037 sub->start_display_time = 0;
1038 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1039 subtitle_out_max_size, sub);
1040 if (subtitle_out_size < 0) {
1041 fprintf(stderr, "Subtitle encoding failed\n");
1045 av_init_packet(&pkt);
1046 pkt.stream_index = ost->index;
1047 pkt.data = subtitle_out;
1048 pkt.size = subtitle_out_size;
1049 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1050 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1051 /* XXX: the pts correction is handled here. Maybe handling
1052 it in the codec would be better */
1054 pkt.pts += 90 * sub->start_display_time;
1056 pkt.pts += 90 * sub->end_display_time;
1058 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1062 static int bit_buffer_size= 1024*256;
1063 static uint8_t *bit_buffer= NULL;
1065 static void do_video_resample(OutputStream *ost,
1067 AVFrame *in_picture,
1068 AVFrame **out_picture)
1070 int resample_changed = 0;
1071 AVCodecContext *dec = ist->st->codec;
1072 *out_picture = in_picture;
1074 resample_changed = ost->resample_width != dec->width ||
1075 ost->resample_height != dec->height ||
1076 ost->resample_pix_fmt != dec->pix_fmt;
1078 if (resample_changed) {
1079 av_log(NULL, AV_LOG_INFO,
1080 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1081 ist->file_index, ist->st->index,
1082 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1083 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1084 if(!ost->video_resample)
1085 ost->video_resample = 1;
1088 #if !CONFIG_AVFILTER
1089 if (ost->video_resample) {
1090 *out_picture = &ost->pict_tmp;
1091 if (resample_changed) {
1092 /* initialize a new scaler context */
1093 sws_freeContext(ost->img_resample_ctx);
1094 ost->img_resample_ctx = sws_getContext(
1095 ist->st->codec->width,
1096 ist->st->codec->height,
1097 ist->st->codec->pix_fmt,
1098 ost->st->codec->width,
1099 ost->st->codec->height,
1100 ost->st->codec->pix_fmt,
1101 ost->sws_flags, NULL, NULL, NULL);
1102 if (ost->img_resample_ctx == NULL) {
1103 fprintf(stderr, "Cannot get resampling context\n");
1107 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1108 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1111 if (resample_changed) {
1112 avfilter_graph_free(&ost->graph);
1113 if (configure_video_filters(ist, ost)) {
1114 fprintf(stderr, "Error reinitializing filters!\n");
1119 if (resample_changed) {
1120 ost->resample_width = dec->width;
1121 ost->resample_height = dec->height;
1122 ost->resample_pix_fmt = dec->pix_fmt;
1127 static void do_video_out(AVFormatContext *s,
1130 AVFrame *in_picture,
1131 int *frame_size, float quality)
1133 int nb_frames, i, ret, format_video_sync;
1134 AVFrame *final_picture;
1135 AVCodecContext *enc;
1138 enc = ost->st->codec;
1140 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1142 /* by default, we output a single frame */
1147 format_video_sync = video_sync_method;
1148 if (format_video_sync < 0)
1149 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1151 if (format_video_sync) {
1152 double vdelta = sync_ipts - ost->sync_opts;
1153 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1156 else if (format_video_sync == 2) {
1159 }else if(vdelta>0.6)
1160 ost->sync_opts= lrintf(sync_ipts);
1161 }else if (vdelta > 1.1)
1162 nb_frames = lrintf(vdelta);
1163 //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);
1164 if (nb_frames == 0){
1167 fprintf(stderr, "*** drop!\n");
1168 }else if (nb_frames > 1) {
1169 nb_frames_dup += nb_frames - 1;
1171 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1174 ost->sync_opts= lrintf(sync_ipts);
1176 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1180 do_video_resample(ost, ist, in_picture, &final_picture);
1182 /* duplicates frame if needed */
1183 for(i=0;i<nb_frames;i++) {
1185 av_init_packet(&pkt);
1186 pkt.stream_index= ost->index;
1188 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1189 /* raw pictures are written as AVPicture structure to
1190 avoid any copies. We support temporarily the older
1192 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1193 enc->coded_frame->top_field_first = in_picture->top_field_first;
1194 pkt.data= (uint8_t *)final_picture;
1195 pkt.size= sizeof(AVPicture);
1196 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1197 pkt.flags |= AV_PKT_FLAG_KEY;
1199 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1201 AVFrame big_picture;
1203 big_picture= *final_picture;
1204 /* better than nothing: use input picture interlaced
1206 big_picture.interlaced_frame = in_picture->interlaced_frame;
1207 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1208 if(top_field_first == -1)
1209 big_picture.top_field_first = in_picture->top_field_first;
1211 big_picture.top_field_first = top_field_first;
1214 /* handles same_quant here. This is not correct because it may
1215 not be a global option */
1216 big_picture.quality = quality;
1218 big_picture.pict_type = 0;
1219 // big_picture.pts = AV_NOPTS_VALUE;
1220 big_picture.pts= ost->sync_opts;
1221 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1222 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1223 if (ost->forced_kf_index < ost->forced_kf_count &&
1224 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1225 big_picture.pict_type = AV_PICTURE_TYPE_I;
1226 ost->forced_kf_index++;
1228 ret = avcodec_encode_video(enc,
1229 bit_buffer, bit_buffer_size,
1232 fprintf(stderr, "Video encoding failed\n");
1237 pkt.data= bit_buffer;
1239 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1240 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1241 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1242 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1243 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1245 if(enc->coded_frame->key_frame)
1246 pkt.flags |= AV_PKT_FLAG_KEY;
1247 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1250 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1251 // enc->frame_number-1, ret, enc->pict_type);
1252 /* if two pass, output log */
1253 if (ost->logfile && enc->stats_out) {
1254 fprintf(ost->logfile, "%s", enc->stats_out);
1259 ost->frame_number++;
1263 static double psnr(double d){
1264 return -10.0*log(d)/log(10.0);
1267 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1270 AVCodecContext *enc;
1272 double ti1, bitrate, avg_bitrate;
1274 /* this is executed just the first time do_video_stats is called */
1276 vstats_file = fopen(vstats_filename, "w");
1283 enc = ost->st->codec;
1284 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1285 frame_number = ost->frame_number;
1286 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1287 if (enc->flags&CODEC_FLAG_PSNR)
1288 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1290 fprintf(vstats_file,"f_size= %6d ", frame_size);
1291 /* compute pts value */
1292 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1296 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1297 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1298 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1299 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1300 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1304 static void print_report(OutputFile *output_files,
1305 OutputStream *ost_table, int nb_ostreams,
1306 int is_last_report, int64_t timer_start)
1310 AVFormatContext *oc;
1312 AVCodecContext *enc;
1313 int frame_number, vid, i;
1314 double bitrate, ti1, pts;
1315 static int64_t last_time = -1;
1316 static int qp_histogram[52];
1318 if (!is_last_report) {
1320 /* display the report every 0.5 seconds */
1321 cur_time = av_gettime();
1322 if (last_time == -1) {
1323 last_time = cur_time;
1326 if ((cur_time - last_time) < 500000)
1328 last_time = cur_time;
1332 oc = output_files[0].ctx;
1334 total_size = avio_size(oc->pb);
1335 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1336 total_size= avio_tell(oc->pb);
1341 for(i=0;i<nb_ostreams;i++) {
1343 ost = &ost_table[i];
1344 enc = ost->st->codec;
1345 if (!ost->st->stream_copy && enc->coded_frame)
1346 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1347 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1348 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1350 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1351 float t = (av_gettime()-timer_start) / 1000000.0;
1353 frame_number = ost->frame_number;
1354 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1355 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1357 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1361 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1364 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1366 if (enc->flags&CODEC_FLAG_PSNR){
1368 double error, error_sum=0;
1369 double scale, scale_sum=0;
1370 char type[3]= {'Y','U','V'};
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1374 error= enc->error[j];
1375 scale= enc->width*enc->height*255.0*255.0*frame_number;
1377 error= enc->coded_frame->error[j];
1378 scale= enc->width*enc->height*255.0*255.0;
1383 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1385 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1389 /* compute min output value */
1390 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1391 if ((pts < ti1) && (pts > 0))
1397 if (verbose > 0 || is_last_report) {
1398 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1401 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1402 (double)total_size / 1024, ti1, bitrate);
1404 if (nb_frames_dup || nb_frames_drop)
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1406 nb_frames_dup, nb_frames_drop);
1409 fprintf(stderr, "%s \r", buf);
1414 if (is_last_report && verbose >= 0){
1415 int64_t raw= audio_size + video_size + extra_size;
1416 fprintf(stderr, "\n");
1417 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1421 100.0*(total_size - raw)/raw
1426 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1428 int fill_char = 0x00;
1429 if (sample_fmt == AV_SAMPLE_FMT_U8)
1431 memset(buf, fill_char, size);
1434 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1438 for (i = 0; i < nb_ostreams; i++) {
1439 OutputStream *ost = &ost_table[i];
1440 AVCodecContext *enc = ost->st->codec;
1441 AVFormatContext *os = output_files[ost->file_index].ctx;
1443 if (!ost->encoding_needed)
1446 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1448 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1454 av_init_packet(&pkt);
1455 pkt.stream_index= ost->index;
1457 switch (ost->st->codec->codec_type) {
1458 case AVMEDIA_TYPE_AUDIO:
1459 fifo_bytes = av_fifo_size(ost->fifo);
1461 /* encode any samples remaining in fifo */
1462 if (fifo_bytes > 0) {
1463 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1464 int fs_tmp = enc->frame_size;
1466 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1467 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1468 enc->frame_size = fifo_bytes / (osize * enc->channels);
1470 int frame_bytes = enc->frame_size*osize*enc->channels;
1471 if (allocated_audio_buf_size < frame_bytes)
1473 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1476 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1477 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1478 ost->st->time_base.num, enc->sample_rate);
1479 enc->frame_size = fs_tmp;
1482 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1485 fprintf(stderr, "Audio encoding failed\n");
1489 pkt.flags |= AV_PKT_FLAG_KEY;
1491 case AVMEDIA_TYPE_VIDEO:
1492 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1494 fprintf(stderr, "Video encoding failed\n");
1498 if(enc->coded_frame && enc->coded_frame->key_frame)
1499 pkt.flags |= AV_PKT_FLAG_KEY;
1500 if (ost->logfile && enc->stats_out) {
1501 fprintf(ost->logfile, "%s", enc->stats_out);
1510 pkt.data = bit_buffer;
1512 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1513 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1514 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1519 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1520 static int output_packet(InputStream *ist, int ist_index,
1521 OutputStream *ost_table, int nb_ostreams,
1522 const AVPacket *pkt)
1524 AVFormatContext *os;
1529 void *buffer_to_free = NULL;
1530 static unsigned int samples_size= 0;
1531 AVSubtitle subtitle, *subtitle_to_free;
1532 int64_t pkt_pts = AV_NOPTS_VALUE;
1534 int frame_available;
1539 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1541 if(ist->next_pts == AV_NOPTS_VALUE)
1542 ist->next_pts= ist->pts;
1546 av_init_packet(&avpkt);
1554 if(pkt->dts != AV_NOPTS_VALUE)
1555 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1556 if(pkt->pts != AV_NOPTS_VALUE)
1557 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1559 //while we have more to decode or while the decoder did output something on EOF
1560 while (avpkt.size > 0 || (!pkt && got_output)) {
1561 uint8_t *data_buf, *decoded_data_buf;
1562 int data_size, decoded_data_size;
1564 ist->pts= ist->next_pts;
1566 if(avpkt.size && avpkt.size != pkt->size &&
1567 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1568 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1569 ist->showed_multi_packet_warning=1;
1572 /* decode the packet if needed */
1573 decoded_data_buf = NULL; /* fail safe */
1574 decoded_data_size= 0;
1575 data_buf = avpkt.data;
1576 data_size = avpkt.size;
1577 subtitle_to_free = NULL;
1578 if (ist->decoding_needed) {
1579 switch(ist->st->codec->codec_type) {
1580 case AVMEDIA_TYPE_AUDIO:{
1581 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1582 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1584 samples= av_malloc(samples_size);
1586 decoded_data_size= samples_size;
1587 /* XXX: could avoid copy if PCM 16 bits with same
1588 endianness as CPU */
1589 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1596 got_output = decoded_data_size > 0;
1597 /* Some bug in mpeg audio decoder gives */
1598 /* decoded_data_size < 0, it seems they are overflows */
1600 /* no audio frame */
1603 decoded_data_buf = (uint8_t *)samples;
1604 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1605 (ist->st->codec->sample_rate * ist->st->codec->channels);
1607 case AVMEDIA_TYPE_VIDEO:
1608 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1609 /* XXX: allocate picture correctly */
1610 avcodec_get_frame_defaults(&picture);
1611 avpkt.pts = pkt_pts;
1612 avpkt.dts = ist->pts;
1613 pkt_pts = AV_NOPTS_VALUE;
1615 ret = avcodec_decode_video2(ist->st->codec,
1616 &picture, &got_output, &avpkt);
1617 quality = same_quant ? picture.quality : 0;
1621 /* no picture yet */
1622 goto discard_packet;
1624 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1625 if (ist->st->codec->time_base.num != 0) {
1626 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1627 ist->next_pts += ((int64_t)AV_TIME_BASE *
1628 ist->st->codec->time_base.num * ticks) /
1629 ist->st->codec->time_base.den;
1632 buffer_to_free = NULL;
1633 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1635 case AVMEDIA_TYPE_SUBTITLE:
1636 ret = avcodec_decode_subtitle2(ist->st->codec,
1637 &subtitle, &got_output, &avpkt);
1641 goto discard_packet;
1643 subtitle_to_free = &subtitle;
1650 switch(ist->st->codec->codec_type) {
1651 case AVMEDIA_TYPE_AUDIO:
1652 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1653 ist->st->codec->sample_rate;
1655 case AVMEDIA_TYPE_VIDEO:
1656 if (ist->st->codec->time_base.num != 0) {
1657 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1658 ist->next_pts += ((int64_t)AV_TIME_BASE *
1659 ist->st->codec->time_base.num * ticks) /
1660 ist->st->codec->time_base.den;
1667 // preprocess audio (volume)
1668 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1669 if (audio_volume != 256) {
1672 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1673 int v = ((*volp) * audio_volume + 128) >> 8;
1674 *volp++ = av_clip_int16(v);
1679 /* frame rate emulation */
1680 if (input_files[ist->file_index].rate_emu) {
1681 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1682 int64_t now = av_gettime() - ist->start;
1686 /* if output time reached then transcode raw format,
1687 encode packets and output them */
1688 for (i = 0; i < nb_ostreams; i++) {
1689 OutputFile *of = &output_files[ost_table[i].file_index];
1692 ost = &ost_table[i];
1693 if (ost->source_index != ist_index)
1696 if (of->start_time && ist->pts < of->start_time)
1699 if (of->recording_time != INT64_MAX &&
1700 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1701 (AVRational){1, 1000000}) >= 0) {
1702 ost->is_past_recording_time = 1;
1707 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1708 ost->input_video_filter) {
1710 if (ist->st->sample_aspect_ratio.num)
1711 sar = ist->st->sample_aspect_ratio;
1713 sar = ist->st->codec->sample_aspect_ratio;
1714 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1716 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1717 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1718 while (frame_available) {
1719 AVRational ist_pts_tb;
1720 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1721 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1723 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1725 os = output_files[ost->file_index].ctx;
1727 /* set the input output pts pairs */
1728 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1730 if (ost->encoding_needed) {
1731 av_assert0(ist->decoding_needed);
1732 switch(ost->st->codec->codec_type) {
1733 case AVMEDIA_TYPE_AUDIO:
1734 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1736 case AVMEDIA_TYPE_VIDEO:
1738 if (ost->picref->video && !ost->frame_aspect_ratio)
1739 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1741 do_video_out(os, ost, ist, &picture, &frame_size,
1742 same_quant ? quality : ost->st->codec->global_quality);
1743 if (vstats_filename && frame_size)
1744 do_video_stats(os, ost, frame_size);
1746 case AVMEDIA_TYPE_SUBTITLE:
1747 do_subtitle_out(os, ost, ist, &subtitle,
1754 AVFrame avframe; //FIXME/XXX remove this
1756 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1758 av_init_packet(&opkt);
1760 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1761 #if !CONFIG_AVFILTER
1767 /* no reencoding needed : output the packet directly */
1768 /* force the input stream PTS */
1770 avcodec_get_frame_defaults(&avframe);
1771 ost->st->codec->coded_frame= &avframe;
1772 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1774 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1775 audio_size += data_size;
1776 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1777 video_size += data_size;
1781 opkt.stream_index= ost->index;
1782 if(pkt->pts != AV_NOPTS_VALUE)
1783 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1785 opkt.pts= AV_NOPTS_VALUE;
1787 if (pkt->dts == AV_NOPTS_VALUE)
1788 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1790 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1791 opkt.dts -= ost_tb_start_time;
1793 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1794 opkt.flags= pkt->flags;
1796 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1797 if( ost->st->codec->codec_id != CODEC_ID_H264
1798 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1799 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1801 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1802 opkt.destruct= av_destruct_packet;
1804 opkt.data = data_buf;
1805 opkt.size = data_size;
1808 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1809 ost->st->codec->frame_number++;
1810 ost->frame_number++;
1811 av_free_packet(&opkt);
1815 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1816 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1818 avfilter_unref_buffer(ost->picref);
1823 av_free(buffer_to_free);
1824 /* XXX: allocate the subtitles in the codec ? */
1825 if (subtitle_to_free) {
1826 avsubtitle_free(subtitle_to_free);
1827 subtitle_to_free = NULL;
1835 static void print_sdp(OutputFile *output_files, int n)
1839 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1843 for (i = 0; i < n; i++)
1844 avc[i] = output_files[i].ctx;
1846 av_sdp_create(avc, n, sdp, sizeof(sdp));
1847 printf("SDP:\n%s\n", sdp);
1852 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1853 char *error, int error_len)
1856 InputStream *ist = &input_streams[ist_index];
1857 if (ist->decoding_needed) {
1858 AVCodec *codec = ist->dec;
1860 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1861 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1862 return AVERROR(EINVAL);
1865 /* update requested sample format for the decoder based on the
1866 corresponding encoder sample format */
1867 for (i = 0; i < nb_output_streams; i++) {
1868 OutputStream *ost = &output_streams[i];
1869 if (ost->source_index == ist_index) {
1870 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1875 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1876 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1877 ist->file_index, ist->st->index);
1878 return AVERROR(EINVAL);
1880 assert_codec_experimental(ist->st->codec, 0);
1881 assert_avoptions(ist->opts);
1884 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;
1885 ist->next_pts = AV_NOPTS_VALUE;
1886 init_pts_correction(&ist->pts_ctx);
1892 static int transcode_init(OutputFile *output_files,
1893 int nb_output_files,
1894 InputFile *input_files,
1897 int ret = 0, i, j, k;
1898 AVFormatContext *os;
1899 AVCodecContext *codec, *icodec;
1905 /* init framerate emulation */
1906 for (i = 0; i < nb_input_files; i++) {
1907 InputFile *ifile = &input_files[i];
1908 if (ifile->rate_emu)
1909 for (j = 0; j < ifile->nb_streams; j++)
1910 input_streams[j + ifile->ist_index].start = av_gettime();
1913 /* output stream init */
1914 for(i=0;i<nb_output_files;i++) {
1915 os = output_files[i].ctx;
1916 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1917 av_dump_format(os, i, os->filename, 1);
1918 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1919 return AVERROR(EINVAL);
1923 /* for each output stream, we compute the right encoding parameters */
1924 for (i = 0; i < nb_output_streams; i++) {
1925 ost = &output_streams[i];
1926 os = output_files[ost->file_index].ctx;
1927 ist = &input_streams[ost->source_index];
1929 codec = ost->st->codec;
1930 icodec = ist->st->codec;
1932 ost->st->disposition = ist->st->disposition;
1933 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1934 codec->chroma_sample_location = icodec->chroma_sample_location;
1936 if (ost->st->stream_copy) {
1937 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1939 if (extra_size > INT_MAX) {
1940 return AVERROR(EINVAL);
1943 /* if stream_copy is selected, no need to decode or encode */
1944 codec->codec_id = icodec->codec_id;
1945 codec->codec_type = icodec->codec_type;
1947 if(!codec->codec_tag){
1948 if( !os->oformat->codec_tag
1949 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1950 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1951 codec->codec_tag = icodec->codec_tag;
1954 codec->bit_rate = icodec->bit_rate;
1955 codec->rc_max_rate = icodec->rc_max_rate;
1956 codec->rc_buffer_size = icodec->rc_buffer_size;
1957 codec->extradata= av_mallocz(extra_size);
1958 if (!codec->extradata) {
1959 return AVERROR(ENOMEM);
1961 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1962 codec->extradata_size= icodec->extradata_size;
1963 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){
1964 codec->time_base = icodec->time_base;
1965 codec->time_base.num *= icodec->ticks_per_frame;
1966 av_reduce(&codec->time_base.num, &codec->time_base.den,
1967 codec->time_base.num, codec->time_base.den, INT_MAX);
1969 codec->time_base = ist->st->time_base;
1970 switch(codec->codec_type) {
1971 case AVMEDIA_TYPE_AUDIO:
1972 if(audio_volume != 256) {
1973 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1976 codec->channel_layout = icodec->channel_layout;
1977 codec->sample_rate = icodec->sample_rate;
1978 codec->channels = icodec->channels;
1979 codec->frame_size = icodec->frame_size;
1980 codec->audio_service_type = icodec->audio_service_type;
1981 codec->block_align= icodec->block_align;
1982 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1983 codec->block_align= 0;
1984 if(codec->codec_id == CODEC_ID_AC3)
1985 codec->block_align= 0;
1987 case AVMEDIA_TYPE_VIDEO:
1988 codec->pix_fmt = icodec->pix_fmt;
1989 codec->width = icodec->width;
1990 codec->height = icodec->height;
1991 codec->has_b_frames = icodec->has_b_frames;
1992 if (!codec->sample_aspect_ratio.num) {
1993 codec->sample_aspect_ratio =
1994 ost->st->sample_aspect_ratio =
1995 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1996 ist->st->codec->sample_aspect_ratio.num ?
1997 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2000 case AVMEDIA_TYPE_SUBTITLE:
2001 codec->width = icodec->width;
2002 codec->height = icodec->height;
2004 case AVMEDIA_TYPE_DATA:
2011 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2012 switch(codec->codec_type) {
2013 case AVMEDIA_TYPE_AUDIO:
2014 ost->fifo= av_fifo_alloc(1024);
2016 return AVERROR(ENOMEM);
2018 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2019 if (!codec->sample_rate) {
2020 codec->sample_rate = icodec->sample_rate;
2022 codec->sample_rate >>= icodec->lowres;
2024 choose_sample_rate(ost->st, ost->enc);
2025 codec->time_base = (AVRational){1, codec->sample_rate};
2026 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2027 codec->sample_fmt = icodec->sample_fmt;
2028 choose_sample_fmt(ost->st, ost->enc);
2029 if (!codec->channels)
2030 codec->channels = icodec->channels;
2031 codec->channel_layout = icodec->channel_layout;
2032 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2033 codec->channel_layout = 0;
2034 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2035 icodec->request_channels = codec->channels;
2036 ist->decoding_needed = 1;
2037 ost->encoding_needed = 1;
2038 ost->resample_sample_fmt = icodec->sample_fmt;
2039 ost->resample_sample_rate = icodec->sample_rate;
2040 ost->resample_channels = icodec->channels;
2042 case AVMEDIA_TYPE_VIDEO:
2043 if (codec->pix_fmt == PIX_FMT_NONE)
2044 codec->pix_fmt = icodec->pix_fmt;
2045 choose_pixel_fmt(ost->st, ost->enc);
2047 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2048 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2052 if (!codec->width || !codec->height) {
2053 codec->width = icodec->width;
2054 codec->height = icodec->height;
2057 ost->video_resample = codec->width != icodec->width ||
2058 codec->height != icodec->height ||
2059 codec->pix_fmt != icodec->pix_fmt;
2060 if (ost->video_resample) {
2061 #if !CONFIG_AVFILTER
2062 avcodec_get_frame_defaults(&ost->pict_tmp);
2063 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2064 codec->width, codec->height)) {
2065 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2068 ost->img_resample_ctx = sws_getContext(
2075 ost->sws_flags, NULL, NULL, NULL);
2076 if (ost->img_resample_ctx == NULL) {
2077 fprintf(stderr, "Cannot get resampling context\n");
2081 codec->bits_per_raw_sample= 0;
2084 ost->resample_height = icodec->height;
2085 ost->resample_width = icodec->width;
2086 ost->resample_pix_fmt= icodec->pix_fmt;
2087 ost->encoding_needed = 1;
2088 ist->decoding_needed = 1;
2090 if (!ost->frame_rate.num)
2091 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2092 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2093 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2094 ost->frame_rate = ost->enc->supported_framerates[idx];
2096 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2099 if (configure_video_filters(ist, ost)) {
2100 fprintf(stderr, "Error opening filters!\n");
2105 case AVMEDIA_TYPE_SUBTITLE:
2106 ost->encoding_needed = 1;
2107 ist->decoding_needed = 1;
2114 if (ost->encoding_needed &&
2115 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2116 char logfilename[1024];
2119 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2120 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2122 if (codec->flags & CODEC_FLAG_PASS1) {
2123 f = fopen(logfilename, "wb");
2125 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2131 size_t logbuffer_size;
2132 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2133 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2136 codec->stats_in = logbuffer;
2140 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2141 int size= codec->width * codec->height;
2142 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2147 bit_buffer = av_malloc(bit_buffer_size);
2149 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2151 return AVERROR(ENOMEM);
2154 /* open each encoder */
2155 for (i = 0; i < nb_output_streams; i++) {
2156 ost = &output_streams[i];
2157 if (ost->encoding_needed) {
2158 AVCodec *codec = ost->enc;
2159 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2161 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2162 ost->st->codec->codec_id, ost->file_index, ost->index);
2163 ret = AVERROR(EINVAL);
2166 if (dec->subtitle_header) {
2167 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2168 if (!ost->st->codec->subtitle_header) {
2169 ret = AVERROR(ENOMEM);
2172 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2173 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2175 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2176 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2177 ost->file_index, ost->index);
2178 ret = AVERROR(EINVAL);
2181 assert_codec_experimental(ost->st->codec, 1);
2182 assert_avoptions(ost->opts);
2183 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2184 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2185 "It takes bits/s as argument, not kbits/s\n");
2186 extra_size += ost->st->codec->extradata_size;
2190 /* init input streams */
2191 for (i = 0; i < nb_input_streams; i++)
2192 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2195 /* discard unused programs */
2196 for (i = 0; i < nb_input_files; i++) {
2197 InputFile *ifile = &input_files[i];
2198 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2199 AVProgram *p = ifile->ctx->programs[j];
2200 int discard = AVDISCARD_ALL;
2202 for (k = 0; k < p->nb_stream_indexes; k++)
2203 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2204 discard = AVDISCARD_DEFAULT;
2207 p->discard = discard;
2211 /* open files and write file headers */
2212 for (i = 0; i < nb_output_files; i++) {
2213 os = output_files[i].ctx;
2214 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2215 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2216 ret = AVERROR(EINVAL);
2219 assert_avoptions(output_files[i].opts);
2220 if (strcmp(os->oformat->name, "rtp")) {
2226 /* dump the file output parameters - cannot be done before in case
2228 for(i=0;i<nb_output_files;i++) {
2229 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2232 /* dump the stream mapping */
2234 fprintf(stderr, "Stream mapping:\n");
2235 for (i = 0; i < nb_output_streams;i ++) {
2236 ost = &output_streams[i];
2237 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2238 input_streams[ost->source_index].file_index,
2239 input_streams[ost->source_index].st->index,
2242 if (ost->sync_ist != &input_streams[ost->source_index])
2243 fprintf(stderr, " [sync #%d.%d]",
2244 ost->sync_ist->file_index,
2245 ost->sync_ist->st->index);
2246 if (ost->st->stream_copy)
2247 fprintf(stderr, " (copy)");
2249 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2250 input_streams[ost->source_index].dec->name : "?",
2251 ost->enc ? ost->enc->name : "?");
2252 fprintf(stderr, "\n");
2257 fprintf(stderr, "%s\n", error);
2262 print_sdp(output_files, nb_output_files);
2269 * The following code is the main loop of the file converter
2271 static int transcode(OutputFile *output_files,
2272 int nb_output_files,
2273 InputFile *input_files,
2277 AVFormatContext *is, *os;
2281 int no_packet_count=0;
2282 int64_t timer_start;
2284 if (!(no_packet = av_mallocz(nb_input_files)))
2287 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2292 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2295 timer_start = av_gettime();
2297 for(; received_sigterm == 0;) {
2298 int file_index, ist_index;
2303 ipts_min = INT64_MAX;
2306 /* select the stream that we must read now by looking at the
2307 smallest output pts */
2309 for (i = 0; i < nb_output_streams; i++) {
2313 ost = &output_streams[i];
2314 of = &output_files[ost->file_index];
2315 os = output_files[ost->file_index].ctx;
2316 ist = &input_streams[ost->source_index];
2317 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2318 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2320 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2322 if (!input_files[ist->file_index].eof_reached){
2323 if(ipts < ipts_min) {
2325 if(input_sync ) file_index = ist->file_index;
2327 if(opts < opts_min) {
2329 if(!input_sync) file_index = ist->file_index;
2332 if (ost->frame_number >= ost->max_frames) {
2334 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2335 output_streams[j].is_past_recording_time = 1;
2339 /* if none, if is finished */
2340 if (file_index < 0) {
2341 if(no_packet_count){
2343 memset(no_packet, 0, nb_input_files);
2350 /* read a frame from it and output it in the fifo */
2351 is = input_files[file_index].ctx;
2352 ret= av_read_frame(is, &pkt);
2353 if(ret == AVERROR(EAGAIN)){
2354 no_packet[file_index]=1;
2359 input_files[file_index].eof_reached = 1;
2367 memset(no_packet, 0, nb_input_files);
2370 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2371 is->streams[pkt.stream_index]);
2373 /* the following test is needed in case new streams appear
2374 dynamically in stream : we ignore them */
2375 if (pkt.stream_index >= input_files[file_index].nb_streams)
2376 goto discard_packet;
2377 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2378 ist = &input_streams[ist_index];
2380 goto discard_packet;
2382 if (pkt.dts != AV_NOPTS_VALUE)
2383 pkt.dts += 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 += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2387 if(pkt.pts != AV_NOPTS_VALUE)
2388 pkt.pts *= ist->ts_scale;
2389 if(pkt.dts != AV_NOPTS_VALUE)
2390 pkt.dts *= ist->ts_scale;
2392 // 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);
2393 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2394 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2395 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2396 int64_t delta= pkt_dts - ist->next_pts;
2397 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2398 input_files[ist->file_index].ts_offset -= delta;
2400 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2401 delta, input_files[ist->file_index].ts_offset);
2402 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2403 if(pkt.pts != AV_NOPTS_VALUE)
2404 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2408 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2409 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2412 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2413 ist->file_index, ist->st->index);
2416 av_free_packet(&pkt);
2421 av_free_packet(&pkt);
2423 /* dump report by using the output first video and audio streams */
2424 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2427 /* at the end of stream, we must flush the decoder buffers */
2428 for (i = 0; i < nb_input_streams; i++) {
2429 ist = &input_streams[i];
2430 if (ist->decoding_needed) {
2431 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2434 flush_encoders(output_streams, nb_output_streams);
2438 /* write the trailer if needed and close file */
2439 for(i=0;i<nb_output_files;i++) {
2440 os = output_files[i].ctx;
2441 av_write_trailer(os);
2444 /* dump report by using the first video and audio streams */
2445 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2447 /* close each encoder */
2448 for (i = 0; i < nb_output_streams; i++) {
2449 ost = &output_streams[i];
2450 if (ost->encoding_needed) {
2451 av_freep(&ost->st->codec->stats_in);
2452 avcodec_close(ost->st->codec);
2455 avfilter_graph_free(&ost->graph);
2459 /* close each decoder */
2460 for (i = 0; i < nb_input_streams; i++) {
2461 ist = &input_streams[i];
2462 if (ist->decoding_needed) {
2463 avcodec_close(ist->st->codec);
2471 av_freep(&bit_buffer);
2472 av_freep(&no_packet);
2474 if (output_streams) {
2475 for (i = 0; i < nb_output_streams; i++) {
2476 ost = &output_streams[i];
2478 if (ost->st->stream_copy)
2479 av_freep(&ost->st->codec->extradata);
2481 fclose(ost->logfile);
2482 ost->logfile = NULL;
2484 av_fifo_free(ost->fifo); /* works even if fifo is not
2485 initialized but set to zero */
2486 av_freep(&ost->st->codec->subtitle_header);
2487 av_free(ost->pict_tmp.data[0]);
2488 av_free(ost->forced_kf_pts);
2489 if (ost->video_resample)
2490 sws_freeContext(ost->img_resample_ctx);
2492 audio_resample_close(ost->resample);
2493 if (ost->reformat_ctx)
2494 av_audio_convert_free(ost->reformat_ctx);
2495 av_dict_free(&ost->opts);
2502 static int opt_video_rc_override_string(const char *opt, const char *arg)
2504 video_rc_override_string = arg;
2508 static int opt_me_threshold(const char *opt, const char *arg)
2510 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2514 static int opt_verbose(const char *opt, const char *arg)
2516 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2520 static int opt_frame_size(const char *opt, const char *arg)
2522 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2523 fprintf(stderr, "Incorrect frame size\n");
2524 return AVERROR(EINVAL);
2529 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2531 if (strcmp(arg, "list")) {
2532 frame_pix_fmt = av_get_pix_fmt(arg);
2533 if (frame_pix_fmt == PIX_FMT_NONE) {
2534 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2535 return AVERROR(EINVAL);
2544 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2551 p = strchr(arg, ':');
2553 x = strtol(arg, &end, 10);
2555 y = strtol(end+1, &end, 10);
2557 ar = (double)x / (double)y;
2559 ar = strtod(arg, NULL);
2562 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2563 return AVERROR(EINVAL);
2565 frame_aspect_ratio = ar;
2569 static int opt_top_field_first(const char *opt, const char *arg)
2571 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2575 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2577 return parse_option(o, "codec:a", arg, options);
2580 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2582 return parse_option(o, "codec:v", arg, options);
2585 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2587 return parse_option(o, "codec:s", arg, options);
2590 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2592 return parse_option(o, "codec:d", arg, options);
2595 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2597 StreamMap *m = NULL;
2598 int i, negative = 0, file_idx;
2599 int sync_file_idx = -1, sync_stream_idx;
2607 map = av_strdup(arg);
2609 /* parse sync stream first, just pick first matching stream */
2610 if (sync = strchr(map, ',')) {
2612 sync_file_idx = strtol(sync + 1, &sync, 0);
2613 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2614 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2619 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2620 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2621 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2622 sync_stream_idx = i;
2625 if (i == input_files[sync_file_idx].nb_streams) {
2626 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2627 "match any streams.\n", arg);
2633 file_idx = strtol(map, &p, 0);
2634 if (file_idx >= nb_input_files || file_idx < 0) {
2635 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2639 /* disable some already defined maps */
2640 for (i = 0; i < o->nb_stream_maps; i++) {
2641 m = &o->stream_maps[i];
2642 if (check_stream_specifier(input_files[m->file_index].ctx,
2643 input_files[m->file_index].ctx->streams[m->stream_index],
2644 *p == ':' ? p + 1 : p) > 0)
2648 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2649 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2650 *p == ':' ? p + 1 : p) <= 0)
2652 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2653 &o->nb_stream_maps, o->nb_stream_maps + 1);
2654 m = &o->stream_maps[o->nb_stream_maps - 1];
2656 m->file_index = file_idx;
2657 m->stream_index = i;
2659 if (sync_file_idx >= 0) {
2660 m->sync_file_index = sync_file_idx;
2661 m->sync_stream_index = sync_stream_idx;
2663 m->sync_file_index = file_idx;
2664 m->sync_stream_index = i;
2669 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2677 static void parse_meta_type(char *arg, char *type, int *index)
2687 if (*(++arg) == ':')
2688 *index = strtol(++arg, NULL, 0);
2691 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2698 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2700 MetadataMap *m, *m1;
2703 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2704 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2706 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2707 m->file = strtol(arg, &p, 0);
2708 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2710 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2711 if (p = strchr(opt, ':'))
2712 parse_meta_type(p + 1, &m1->type, &m1->index);
2716 if (m->type == 'g' || m1->type == 'g')
2717 o->metadata_global_manual = 1;
2718 if (m->type == 's' || m1->type == 's')
2719 o->metadata_streams_manual = 1;
2720 if (m->type == 'c' || m1->type == 'c')
2721 o->metadata_chapters_manual = 1;
2726 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2728 const char *codec_string = encoder ? "encoder" : "decoder";
2732 return CODEC_ID_NONE;
2734 avcodec_find_encoder_by_name(name) :
2735 avcodec_find_decoder_by_name(name);
2737 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2740 if(codec->type != type) {
2741 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2747 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2749 char *codec_name = NULL;
2751 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2755 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2756 return avcodec_find_encoder(st->codec->codec_id);
2758 } else if (!strcmp(codec_name, "copy"))
2759 st->stream_copy = 1;
2761 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2762 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2763 avcodec_find_decoder_by_name(codec_name);
2770 * Add all the streams from the given input file to the global
2771 * list of input streams.
2773 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2775 int i, rfps, rfps_base;
2777 for (i = 0; i < ic->nb_streams; i++) {
2778 AVStream *st = ic->streams[i];
2779 AVCodecContext *dec = st->codec;
2783 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2784 ist = &input_streams[nb_input_streams - 1];
2786 ist->file_index = nb_input_files;
2788 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2790 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2791 ist->ts_scale = scale;
2793 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2795 ist->dec = avcodec_find_decoder(dec->codec_id);
2797 switch (dec->codec_type) {
2798 case AVMEDIA_TYPE_AUDIO:
2799 if (o->audio_disable)
2800 st->discard= AVDISCARD_ALL;
2802 case AVMEDIA_TYPE_VIDEO:
2803 rfps = ic->streams[i]->r_frame_rate.num;
2804 rfps_base = ic->streams[i]->r_frame_rate.den;
2806 dec->flags |= CODEC_FLAG_EMU_EDGE;
2807 dec->height >>= dec->lowres;
2808 dec->width >>= dec->lowres;
2811 dec->debug |= FF_DEBUG_MV;
2813 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2816 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2817 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2819 (float)rfps / rfps_base, rfps, rfps_base);
2822 if (o->video_disable)
2823 st->discard= AVDISCARD_ALL;
2824 else if(video_discard)
2825 st->discard= video_discard;
2827 case AVMEDIA_TYPE_DATA:
2829 case AVMEDIA_TYPE_SUBTITLE:
2830 if (o->subtitle_disable)
2831 st->discard = AVDISCARD_ALL;
2833 case AVMEDIA_TYPE_ATTACHMENT:
2834 case AVMEDIA_TYPE_UNKNOWN:
2842 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2844 AVFormatContext *ic;
2845 AVInputFormat *file_iformat = NULL;
2849 AVDictionary **opts;
2850 int orig_nb_streams; // number of streams before avformat_find_stream_info
2853 if (!(file_iformat = av_find_input_format(o->format))) {
2854 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2859 if (!strcmp(filename, "-"))
2862 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2863 !strcmp(filename, "/dev/stdin");
2865 /* get default parameters from command line */
2866 ic = avformat_alloc_context();
2868 print_error(filename, AVERROR(ENOMEM));
2871 if (o->nb_audio_sample_rate) {
2872 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
2873 av_dict_set(&format_opts, "sample_rate", buf, 0);
2875 if (o->nb_audio_channels) {
2876 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
2877 av_dict_set(&format_opts, "channels", buf, 0);
2879 if (o->nb_frame_rates) {
2880 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
2882 if (frame_width && frame_height) {
2883 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2884 av_dict_set(&format_opts, "video_size", buf, 0);
2886 if (frame_pix_fmt != PIX_FMT_NONE)
2887 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2889 ic->flags |= AVFMT_FLAG_NONBLOCK;
2891 /* open the input file with generic libav function */
2892 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2894 print_error(filename, err);
2897 assert_avoptions(format_opts);
2899 /* apply forced codec ids */
2900 for (i = 0; i < ic->nb_streams; i++)
2901 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2903 /* Set AVCodecContext options for avformat_find_stream_info */
2904 opts = setup_find_stream_info_opts(ic, codec_opts);
2905 orig_nb_streams = ic->nb_streams;
2907 /* If not enough info to get the stream parameters, we decode the
2908 first frames to get it. (used in mpeg case for example) */
2909 ret = avformat_find_stream_info(ic, opts);
2910 if (ret < 0 && verbose >= 0) {
2911 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2912 av_close_input_file(ic);
2916 timestamp = o->start_time;
2917 /* add the stream start time */
2918 if (ic->start_time != AV_NOPTS_VALUE)
2919 timestamp += ic->start_time;
2921 /* if seeking requested, we execute it */
2922 if (o->start_time != 0) {
2923 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2925 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2926 filename, (double)timestamp / AV_TIME_BASE);
2930 /* update the current parameters so that they match the one of the input stream */
2931 add_input_streams(o, ic);
2933 /* dump the file content */
2935 av_dump_format(ic, nb_input_files, filename, 0);
2937 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2938 input_files[nb_input_files - 1].ctx = ic;
2939 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
2940 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
2941 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
2943 frame_pix_fmt = PIX_FMT_NONE;
2947 for (i = 0; i < orig_nb_streams; i++)
2948 av_dict_free(&opts[i]);
2955 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2956 AVCodecContext *avctx)
2962 for (p = kf; *p; p++)
2965 ost->forced_kf_count = n;
2966 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2967 if (!ost->forced_kf_pts) {
2968 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2971 for (i = 0; i < n; i++) {
2972 p = i ? strchr(p, ',') + 1 : kf;
2973 t = parse_time_or_die("force_key_frames", p, 1);
2974 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2978 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
2981 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
2982 int idx = oc->nb_streams - 1;
2983 int64_t max_frames = INT64_MAX;
2984 char *bsf = NULL, *next, *codec_tag = NULL;
2985 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
2989 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
2993 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
2994 nb_output_streams + 1);
2995 ost = &output_streams[nb_output_streams - 1];
2996 ost->file_index = nb_output_files;
2999 st->codec->codec_type = type;
3000 ost->enc = choose_codec(o, oc, st, type);
3002 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3005 avcodec_get_context_defaults3(st->codec, ost->enc);
3006 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3008 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3009 ost->max_frames = max_frames;
3011 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3013 if (next = strchr(bsf, ','))
3015 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3016 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
3020 bsfc_prev->next = bsfc;
3022 ost->bitstream_filters = bsfc;
3028 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3030 uint32_t tag = strtol(codec_tag, &next, 0);
3032 tag = AV_RL32(codec_tag);
3033 st->codec->codec_tag = tag;
3036 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3037 if (qscale >= 0 || same_quant) {
3038 st->codec->flags |= CODEC_FLAG_QSCALE;
3039 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3042 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3046 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3050 AVCodecContext *video_enc;
3052 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3054 if (!st->stream_copy) {
3055 ost->frame_aspect_ratio = frame_aspect_ratio;
3056 frame_aspect_ratio = 0;
3058 ost->avfilter= vfilters;
3063 video_enc = st->codec;
3065 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3066 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3069 if (st->stream_copy) {
3070 video_enc->sample_aspect_ratio =
3071 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3074 char *forced_key_frames = NULL, *frame_rate = NULL;
3075 int i, force_fps = 0;
3077 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3078 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3079 av_log(NULL, AV_LOG_ERROR, "Invalid framerate value: %s\n", frame_rate);
3083 video_enc->width = frame_width;
3084 video_enc->height = frame_height;
3085 video_enc->pix_fmt = frame_pix_fmt;
3086 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3089 video_enc->intra_matrix = intra_matrix;
3091 video_enc->inter_matrix = inter_matrix;
3093 p= video_rc_override_string;
3096 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3098 fprintf(stderr, "error parsing rc_override\n");
3101 video_enc->rc_override=
3102 av_realloc(video_enc->rc_override,
3103 sizeof(RcOverride)*(i+1));
3104 video_enc->rc_override[i].start_frame= start;
3105 video_enc->rc_override[i].end_frame = end;
3107 video_enc->rc_override[i].qscale= q;
3108 video_enc->rc_override[i].quality_factor= 1.0;
3111 video_enc->rc_override[i].qscale= 0;
3112 video_enc->rc_override[i].quality_factor= -q/100.0;
3117 video_enc->rc_override_count=i;
3118 if (!video_enc->rc_initial_buffer_occupancy)
3119 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3120 video_enc->me_threshold= me_threshold;
3121 video_enc->intra_dc_precision= intra_dc_precision - 8;
3124 video_enc->flags|= CODEC_FLAG_PSNR;
3129 video_enc->flags |= CODEC_FLAG_PASS1;
3131 video_enc->flags |= CODEC_FLAG_PASS2;
3135 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3136 if (forced_key_frames)
3137 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3139 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3140 ost->force_fps = force_fps;
3143 /* reset some key parameters */
3144 frame_pix_fmt = PIX_FMT_NONE;
3148 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3152 AVCodecContext *audio_enc;
3154 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3157 audio_enc = st->codec;
3158 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3160 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3161 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3163 if (!st->stream_copy) {
3164 char *sample_fmt = NULL;
3166 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3168 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3170 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3171 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", sample_fmt);
3175 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3181 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3185 AVCodecContext *data_enc;
3187 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3189 data_enc = st->codec;
3190 if (!st->stream_copy) {
3191 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3195 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3196 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3202 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3206 AVCodecContext *subtitle_enc;
3208 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3210 subtitle_enc = st->codec;
3212 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3214 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3215 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3221 /* arg format is "output-stream-index:streamid-value". */
3222 static int opt_streamid(const char *opt, const char *arg)
3228 av_strlcpy(idx_str, arg, sizeof(idx_str));
3229 p = strchr(idx_str, ':');
3232 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3237 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3238 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3239 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3243 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3245 AVFormatContext *is = ifile->ctx;
3246 AVFormatContext *os = ofile->ctx;
3249 for (i = 0; i < is->nb_chapters; i++) {
3250 AVChapter *in_ch = is->chapters[i], *out_ch;
3251 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3252 AV_TIME_BASE_Q, in_ch->time_base);
3253 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3254 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3257 if (in_ch->end < ts_off)
3259 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3262 out_ch = av_mallocz(sizeof(AVChapter));
3264 return AVERROR(ENOMEM);
3266 out_ch->id = in_ch->id;
3267 out_ch->time_base = in_ch->time_base;
3268 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3269 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3272 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3275 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3277 return AVERROR(ENOMEM);
3278 os->chapters[os->nb_chapters - 1] = out_ch;
3283 static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3286 AVFormatContext *ic = NULL;
3288 err = avformat_open_input(&ic, filename, NULL, NULL);
3291 /* copy stream format */
3292 for(i=0;i<ic->nb_streams;i++) {
3297 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3298 ost = new_output_stream(o, s, codec->type);
3301 // FIXME: a more elegant solution is needed
3302 memcpy(st, ic->streams[i], sizeof(AVStream));
3304 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3306 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3307 choose_sample_fmt(st, codec);
3308 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3309 choose_pixel_fmt(st, codec);
3312 av_close_input_file(ic);
3316 static void opt_output_file(void *optctx, const char *filename)
3318 OptionsContext *o = optctx;
3319 AVFormatContext *oc;
3321 AVOutputFormat *file_oformat;
3325 if (!strcmp(filename, "-"))
3328 oc = avformat_alloc_context();
3330 print_error(filename, AVERROR(ENOMEM));
3335 file_oformat = av_guess_format(o->format, NULL, NULL);
3336 if (!file_oformat) {
3337 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
3341 file_oformat = av_guess_format(NULL, filename, NULL);
3342 if (!file_oformat) {
3343 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3349 oc->oformat = file_oformat;
3350 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3352 if (!strcmp(file_oformat->name, "ffm") &&
3353 av_strstart(filename, "http:", NULL)) {
3354 /* special case for files sent to avserver: we get the stream
3355 parameters from avserver */
3356 int err = read_avserver_streams(o, oc, filename);
3358 print_error(filename, err);
3361 } else if (!o->nb_stream_maps) {
3362 /* pick the "best" stream of each type */
3363 #define NEW_STREAM(type, index)\
3365 ost = new_ ## type ## _stream(o, oc);\
3366 ost->source_index = index;\
3367 ost->sync_ist = &input_streams[index];\
3368 input_streams[index].discard = 0;\
3371 /* video: highest resolution */
3372 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3373 int area = 0, idx = -1;
3374 for (i = 0; i < nb_input_streams; i++) {
3375 ist = &input_streams[i];
3376 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3377 ist->st->codec->width * ist->st->codec->height > area) {
3378 area = ist->st->codec->width * ist->st->codec->height;
3382 NEW_STREAM(video, idx);
3385 /* audio: most channels */
3386 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3387 int channels = 0, idx = -1;
3388 for (i = 0; i < nb_input_streams; i++) {
3389 ist = &input_streams[i];
3390 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3391 ist->st->codec->channels > channels) {
3392 channels = ist->st->codec->channels;
3396 NEW_STREAM(audio, idx);
3399 /* subtitles: pick first */
3400 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3401 for (i = 0; i < nb_input_streams; i++)
3402 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3403 NEW_STREAM(subtitle, i);
3407 /* do something with data? */
3409 for (i = 0; i < o->nb_stream_maps; i++) {
3410 StreamMap *map = &o->stream_maps[i];
3415 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3416 switch (ist->st->codec->codec_type) {
3417 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3418 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3419 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3420 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3422 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3423 map->file_index, map->stream_index);
3427 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3428 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3429 map->sync_stream_index];
3434 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3435 output_files[nb_output_files - 1].ctx = oc;
3436 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3437 output_files[nb_output_files - 1].recording_time = o->recording_time;
3438 output_files[nb_output_files - 1].start_time = o->start_time;
3439 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3440 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3442 /* check filename in case of an image number is expected */
3443 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3444 if (!av_filename_number_test(oc->filename)) {
3445 print_error(oc->filename, AVERROR(EINVAL));
3450 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3451 /* test if it already exists to avoid loosing precious files */
3452 if (!file_overwrite &&
3453 (strchr(filename, ':') == NULL ||
3454 filename[1] == ':' ||
3455 av_strstart(filename, "file:", NULL))) {
3456 if (avio_check(filename, 0) == 0) {
3458 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3460 if (!read_yesno()) {
3461 fprintf(stderr, "Not overwriting - exiting\n");
3466 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3473 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3474 print_error(filename, err);
3479 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3480 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3481 oc->flags |= AVFMT_FLAG_NONBLOCK;
3484 if (o->chapters_input_file >= nb_input_files) {
3485 if (o->chapters_input_file == INT_MAX) {
3486 /* copy chapters from the first input file that has them*/
3487 o->chapters_input_file = -1;
3488 for (i = 0; i < nb_input_files; i++)
3489 if (input_files[i].ctx->nb_chapters) {
3490 o->chapters_input_file = i;
3494 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3495 o->chapters_input_file);
3499 if (o->chapters_input_file >= 0)
3500 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3501 o->metadata_chapters_manual);
3504 for (i = 0; i < o->nb_meta_data_maps; i++) {
3505 AVFormatContext *files[2];
3506 AVDictionary **meta[2];
3509 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3510 if ((index) < 0 || (index) >= (nb_elems)) {\
3511 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3516 int in_file_index = o->meta_data_maps[i][1].file;
3517 if (in_file_index < 0)
3519 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3522 files[1] = input_files[in_file_index].ctx;
3524 for (j = 0; j < 2; j++) {
3525 MetadataMap *map = &o->meta_data_maps[i][j];
3527 switch (map->type) {
3529 meta[j] = &files[j]->metadata;
3532 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3533 meta[j] = &files[j]->streams[map->index]->metadata;
3536 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3537 meta[j] = &files[j]->chapters[map->index]->metadata;
3540 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3541 meta[j] = &files[j]->programs[map->index]->metadata;
3546 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3549 /* copy global metadata by default */
3550 if (!o->metadata_global_manual && nb_input_files)
3551 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3552 AV_DICT_DONT_OVERWRITE);
3553 if (!o->metadata_streams_manual)
3554 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3555 InputStream *ist = &input_streams[output_streams[i].source_index];
3556 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3559 /* process manually set metadata */
3560 for (i = 0; i < o->nb_metadata; i++) {
3565 val = strchr(o->metadata[i].u.str, '=');
3567 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3568 o->metadata[i].u.str);
3573 parse_meta_type(o->metadata[i].specifier, &type, &index);
3579 if (index < 0 || index >= oc->nb_streams) {
3580 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3583 m = &oc->streams[i]->metadata;
3586 if (index < 0 || index >= oc->nb_chapters) {
3587 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3590 m = &oc->chapters[i]->metadata;
3593 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3597 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3603 av_freep(&streamid_map);
3604 nb_streamid_map = 0;
3609 /* same option as mencoder */
3610 static int opt_pass(const char *opt, const char *arg)
3612 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3616 static int64_t getutime(void)
3619 struct rusage rusage;
3621 getrusage(RUSAGE_SELF, &rusage);
3622 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3623 #elif HAVE_GETPROCESSTIMES
3625 FILETIME c, e, k, u;
3626 proc = GetCurrentProcess();
3627 GetProcessTimes(proc, &c, &e, &k, &u);
3628 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3630 return av_gettime();
3634 static int64_t getmaxrss(void)
3636 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3637 struct rusage rusage;
3638 getrusage(RUSAGE_SELF, &rusage);
3639 return (int64_t)rusage.ru_maxrss * 1024;
3640 #elif HAVE_GETPROCESSMEMORYINFO
3642 PROCESS_MEMORY_COUNTERS memcounters;
3643 proc = GetCurrentProcess();
3644 memcounters.cb = sizeof(memcounters);
3645 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3646 return memcounters.PeakPagefileUsage;
3652 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3655 const char *p = str;
3662 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3669 static void opt_inter_matrix(const char *arg)
3671 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3672 parse_matrix_coeffs(inter_matrix, arg);
3675 static void opt_intra_matrix(const char *arg)
3677 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3678 parse_matrix_coeffs(intra_matrix, arg);
3681 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
3683 return parse_option(o, "q:a", arg, options);
3686 static void show_usage(void)
3688 printf("Hyper fast Audio and Video encoder\n");
3689 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3693 static void show_help(void)
3696 AVOutputFormat *oformat = NULL;
3697 AVInputFormat *iformat = NULL;
3698 const AVClass *class;
3700 av_log_set_callback(log_callback_help);
3702 show_help_options(options, "Main options:\n",
3703 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3704 show_help_options(options, "\nAdvanced options:\n",
3705 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3707 show_help_options(options, "\nVideo options:\n",
3708 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3710 show_help_options(options, "\nAdvanced Video options:\n",
3711 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3712 OPT_VIDEO | OPT_EXPERT);
3713 show_help_options(options, "\nAudio options:\n",
3714 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3716 show_help_options(options, "\nAdvanced Audio options:\n",
3717 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3718 OPT_AUDIO | OPT_EXPERT);
3719 show_help_options(options, "\nSubtitle options:\n",
3720 OPT_SUBTITLE | OPT_GRAB,
3722 show_help_options(options, "\nAudio/Video grab options:\n",
3726 class = avcodec_get_class();
3727 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3730 /* individual codec options */
3732 while ((c = av_codec_next(c))) {
3733 if (c->priv_class) {
3734 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3739 class = avformat_get_class();
3740 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3743 /* individual muxer options */
3744 while ((oformat = av_oformat_next(oformat))) {
3745 if (oformat->priv_class) {
3746 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3751 /* individual demuxer options */
3752 while ((iformat = av_iformat_next(iformat))) {
3753 if (iformat->priv_class) {
3754 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3759 class = sws_get_class();
3760 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3763 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
3765 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3766 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3768 if(!strncmp(arg, "pal-", 4)) {
3771 } else if(!strncmp(arg, "ntsc-", 5)) {
3774 } else if(!strncmp(arg, "film-", 5)) {
3778 /* Try to determine PAL/NTSC by peeking in the input files */
3779 if(nb_input_files) {
3781 for (j = 0; j < nb_input_files; j++) {
3782 for (i = 0; i < input_files[j].nb_streams; i++) {
3783 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3784 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3786 fr = c->time_base.den * 1000 / c->time_base.num;
3790 } else if((fr == 29970) || (fr == 23976)) {
3799 if(verbose > 0 && norm != UNKNOWN)
3800 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3803 if(norm == UNKNOWN) {
3804 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3805 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3806 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3810 if(!strcmp(arg, "vcd")) {
3811 opt_video_codec(o, "c:v", "mpeg1video");
3812 opt_audio_codec(o, "c:a", "mp2");
3813 parse_option(o, "f", "vcd", options);
3815 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3816 parse_option(o, "r", frame_rates[norm], options);
3817 opt_default("g", norm == PAL ? "15" : "18");
3819 opt_default("b", "1150000");
3820 opt_default("maxrate", "1150000");
3821 opt_default("minrate", "1150000");
3822 opt_default("bufsize", "327680"); // 40*1024*8;
3824 opt_default("b:a", "224000");
3825 parse_option(o, "ar", "44100", options);
3826 parse_option(o, "ac", "2", options);
3828 opt_default("packetsize", "2324");
3829 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3831 /* We have to offset the PTS, so that it is consistent with the SCR.
3832 SCR starts at 36000, but the first two packs contain only padding
3833 and the first pack from the other stream, respectively, may also have
3834 been written before.
3835 So the real data starts at SCR 36000+3*1200. */
3836 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
3837 } else if(!strcmp(arg, "svcd")) {
3839 opt_video_codec(o, "c:v", "mpeg2video");
3840 opt_audio_codec(o, "c:a", "mp2");
3841 parse_option(o, "f", "svcd", options);
3843 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3844 parse_option(o, "r", frame_rates[norm], options);
3845 opt_default("g", norm == PAL ? "15" : "18");
3847 opt_default("b", "2040000");
3848 opt_default("maxrate", "2516000");
3849 opt_default("minrate", "0"); //1145000;
3850 opt_default("bufsize", "1835008"); //224*1024*8;
3851 opt_default("flags", "+scan_offset");
3854 opt_default("b:a", "224000");
3855 parse_option(o, "ar", "44100", options);
3857 opt_default("packetsize", "2324");
3859 } else if(!strcmp(arg, "dvd")) {
3861 opt_video_codec(o, "c:v", "mpeg2video");
3862 opt_audio_codec(o, "c:a", "ac3");
3863 parse_option(o, "f", "dvd", options);
3865 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3866 parse_option(o, "r", frame_rates[norm], options);
3867 opt_default("g", norm == PAL ? "15" : "18");
3869 opt_default("b", "6000000");
3870 opt_default("maxrate", "9000000");
3871 opt_default("minrate", "0"); //1500000;
3872 opt_default("bufsize", "1835008"); //224*1024*8;
3874 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3875 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3877 opt_default("b:a", "448000");
3878 parse_option(o, "ar", "48000", options);
3880 } else if(!strncmp(arg, "dv", 2)) {
3882 parse_option(o, "f", "dv", options);
3884 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
3885 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3886 norm == PAL ? "yuv420p" : "yuv411p");
3887 parse_option(o, "r", frame_rates[norm], options);
3889 parse_option(o, "ar", "48000", options);
3890 parse_option(o, "ac", "2", options);
3893 fprintf(stderr, "Unknown target: %s\n", arg);
3894 return AVERROR(EINVAL);
3899 static int opt_vstats_file(const char *opt, const char *arg)
3901 av_free (vstats_filename);
3902 vstats_filename=av_strdup (arg);
3906 static int opt_vstats(const char *opt, const char *arg)
3909 time_t today2 = time(NULL);
3910 struct tm *today = localtime(&today2);
3912 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3914 return opt_vstats_file(opt, filename);
3917 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
3919 return parse_option(o, "frames:v", arg, options);
3922 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
3924 return parse_option(o, "frames:a", arg, options);
3927 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
3929 return parse_option(o, "frames:d", arg, options);
3932 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
3934 return parse_option(o, "tag:v", arg, options);
3937 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
3939 return parse_option(o, "tag:a", arg, options);
3942 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
3944 return parse_option(o, "tag:s", arg, options);
3947 #define OFFSET(x) offsetof(OptionsContext, x)
3948 static const OptionDef options[] = {
3950 #include "cmdutils_common_opts.h"
3951 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
3952 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
3953 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3954 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
3955 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
3956 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
3957 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
3958 "outfile[,metadata]:infile[,metadata]" },
3959 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
3960 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3961 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
3962 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
3963 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
3964 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
3965 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
3966 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
3967 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3968 "add timings for benchmarking" },
3969 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
3970 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3971 "dump each input packet" },
3972 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3973 "when dumping packets, also dump the payload" },
3974 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
3975 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
3976 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3977 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3978 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3979 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3980 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3981 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
3982 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3983 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3984 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3985 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3986 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
3987 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
3988 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
3989 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
3992 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
3993 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3994 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3995 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3996 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
3997 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
3998 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3999 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4000 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4001 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4002 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4003 "use same quantizer as source (implies VBR)" },
4004 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4005 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4006 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4007 "deinterlace pictures" },
4008 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4009 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4010 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4012 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4014 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4015 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4016 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4017 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4018 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4019 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4020 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4021 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4022 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
4025 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4026 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4027 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4028 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4029 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4030 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4031 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4032 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4033 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4035 /* subtitle options */
4036 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4037 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4038 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4041 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4044 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4045 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4047 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4049 /* data codec support */
4050 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4052 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4056 int main(int argc, char **argv)
4058 OptionsContext o = { 0 };
4063 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4065 avcodec_register_all();
4067 avdevice_register_all();
4070 avfilter_register_all();
4074 avio_set_interrupt_cb(decode_interrupt_cb);
4079 parse_options(&o, argc, argv, options, opt_output_file);
4081 if(nb_output_files <= 0 && nb_input_files == 0) {
4083 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4087 /* file converter / grab */
4088 if (nb_output_files <= 0) {
4089 fprintf(stderr, "At least one output file must be specified\n");
4093 if (nb_input_files == 0) {
4094 fprintf(stderr, "At least one input file must be specified\n");
4099 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4101 ti = getutime() - ti;
4103 int maxrss = getmaxrss() / 1024;
4104 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);