3 * Copyright (c) 2000-2011 The libav developers.
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
62 #if HAVE_GETPROCESSMEMORYINFO
68 #include <sys/select.h>
75 #include "libavutil/avassert.h"
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
82 int disabled; /** 1 is this mapping is disabled by a negative map */
86 int sync_stream_index;
90 * select an input file for an output file
92 typedef struct MetadataMap {
93 int file; ///< file index
94 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; ///< stream/chapter/program number
98 static const OptionDef options[];
100 /* indexed by output file stream index */
101 static int *streamid_map = NULL;
102 static int nb_streamid_map = 0;
104 static int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static AVRational frame_rate;
109 static float video_qscale = 0;
110 static uint16_t *intra_matrix = NULL;
111 static uint16_t *inter_matrix = NULL;
112 static const char *video_rc_override_string=NULL;
113 static int video_discard = 0;
114 static int same_quant = 0;
115 static int do_deinterlace = 0;
116 static int top_field_first = -1;
117 static int me_threshold = 0;
118 static int intra_dc_precision = 8;
119 static int qp_hist = 0;
121 static char *vfilters = NULL;
124 #define QSCALE_NONE -99999
125 static float audio_qscale = QSCALE_NONE;
127 static int file_overwrite = 0;
128 static int do_benchmark = 0;
129 static int do_hex_dump = 0;
130 static int do_pkt_dump = 0;
131 static int do_psnr = 0;
132 static int do_pass = 0;
133 static char *pass_logfilename_prefix = NULL;
134 static int video_sync_method= -1;
135 static int audio_sync_method= 0;
136 static float audio_drift_threshold= 0.1;
137 static int copy_ts= 0;
139 static int opt_shortest = 0;
140 static char *vstats_filename;
141 static FILE *vstats_file;
142 static int copy_initial_nonkeyframes = 0;
144 static int audio_volume = 256;
146 static int exit_on_error = 0;
147 static int using_stdin = 0;
148 static int verbose = 1;
149 static int64_t video_size = 0;
150 static int64_t audio_size = 0;
151 static int64_t extra_size = 0;
152 static int nb_frames_dup = 0;
153 static int nb_frames_drop = 0;
154 static int input_sync;
155 static int force_fps = 0;
156 static char *forced_key_frames = NULL;
158 static float dts_delta_threshold = 10;
160 static uint8_t *audio_buf;
161 static uint8_t *audio_out;
162 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
164 static short *samples;
166 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
168 typedef struct InputStream {
171 int discard; /* true if stream data should be discarded */
172 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
175 int64_t start; /* time when read started */
176 int64_t next_pts; /* synthetic pts for cases where pkt.pts
178 int64_t pts; /* current pts */
179 PtsCorrectionContext pts_ctx;
181 int is_start; /* is 1 at the start and after a discontinuity */
182 int showed_multi_packet_warning;
186 typedef struct InputFile {
187 AVFormatContext *ctx;
188 int eof_reached; /* true if eof reached */
189 int ist_index; /* index of first stream in ist_table */
190 int buffer_size; /* current total buffer size */
192 int nb_streams; /* number of stream that avconv is aware of; may be different
193 from ctx.nb_streams if new streams appear during av_read_frame() */
197 typedef struct OutputStream {
198 int file_index; /* file index */
199 int index; /* stream index in the output file */
200 int source_index; /* InputStream index */
201 AVStream *st; /* stream in the output file */
202 int encoding_needed; /* true if encoding needed for this stream */
204 /* input pts and corresponding output pts
206 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
207 struct InputStream *sync_ist; /* input stream to sync against */
208 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
209 AVBitStreamFilterContext *bitstream_filters;
215 AVFrame pict_tmp; /* temporary image for resampling */
216 struct SwsContext *img_resample_ctx; /* for image resampling */
219 int resample_pix_fmt;
220 AVRational frame_rate;
222 float frame_aspect_ratio;
224 /* forced key frames */
225 int64_t *forced_kf_pts;
231 ReSampleContext *resample; /* for audio resampling */
232 int resample_sample_fmt;
233 int resample_channels;
234 int resample_sample_rate;
236 AVAudioConvert *reformat_ctx;
237 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
241 AVFilterContext *output_video_filter;
242 AVFilterContext *input_video_filter;
243 AVFilterBufferRef *picref;
245 AVFilterGraph *graph;
250 int is_past_recording_time;
254 typedef struct OutputFile {
255 AVFormatContext *ctx;
257 int ost_index; /* index of the first stream in output_streams */
258 int64_t recording_time; /* desired length of the resulting file in microseconds */
259 int64_t start_time; /* start time in microseconds */
260 uint64_t limit_filesize;
263 static InputStream *input_streams = NULL;
264 static int nb_input_streams = 0;
265 static InputFile *input_files = NULL;
266 static int nb_input_files = 0;
268 static OutputStream *output_streams = NULL;
269 static int nb_output_streams = 0;
270 static OutputFile *output_files = NULL;
271 static int nb_output_files = 0;
273 typedef struct OptionsContext {
274 /* input/output options */
278 SpecifierOpt *codec_names;
280 SpecifierOpt *audio_channels;
281 int nb_audio_channels;
282 SpecifierOpt *audio_sample_rate;
283 int nb_audio_sample_rate;
286 int64_t input_ts_offset;
289 SpecifierOpt *ts_scale;
293 StreamMap *stream_maps;
295 /* first item specifies output metadata, second is input */
296 MetadataMap (*meta_data_maps)[2];
297 int nb_meta_data_maps;
298 int metadata_global_manual;
299 int metadata_streams_manual;
300 int metadata_chapters_manual;
302 int chapters_input_file;
304 int64_t recording_time;
305 uint64_t limit_filesize;
311 int subtitle_disable;
314 SpecifierOpt *metadata;
316 SpecifierOpt *max_frames;
318 SpecifierOpt *bitstream_filters;
319 int nb_bitstream_filters;
320 SpecifierOpt *codec_tags;
322 SpecifierOpt *sample_fmts;
326 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
329 for (i = 0; i < o->nb_ ## name; i++) {\
330 char *spec = o->name[i].specifier;\
331 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
332 outvar = o->name[i].u.type;\
338 static void reset_options(OptionsContext *o)
340 const OptionDef *po = options;
342 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
344 void *dst = (uint8_t*)o + po->u.off;
346 if (po->flags & OPT_SPEC) {
347 SpecifierOpt **so = dst;
348 int i, *count = (int*)(so + 1);
349 for (i = 0; i < *count; i++) {
350 av_freep(&(*so)[i].specifier);
351 if (po->flags & OPT_STRING)
352 av_freep(&(*so)[i].u.str);
356 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
361 av_freep(&o->stream_maps);
362 av_freep(&o->meta_data_maps);
364 memset(o, 0, sizeof(*o));
366 o->mux_preload = 0.5;
367 o->mux_max_delay = 0.7;
368 o->recording_time = INT64_MAX;
369 o->limit_filesize = UINT64_MAX;
370 o->chapters_input_file = INT_MAX;
378 static int configure_video_filters(InputStream *ist, OutputStream *ost)
380 AVFilterContext *last_filter, *filter;
381 /** filter graph containing all filters including input & output */
382 AVCodecContext *codec = ost->st->codec;
383 AVCodecContext *icodec = ist->st->codec;
384 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
385 AVRational sample_aspect_ratio;
389 ost->graph = avfilter_graph_alloc();
391 if (ist->st->sample_aspect_ratio.num){
392 sample_aspect_ratio = ist->st->sample_aspect_ratio;
394 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
396 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
397 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
398 sample_aspect_ratio.num, sample_aspect_ratio.den);
400 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
401 "src", args, NULL, ost->graph);
404 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
405 "out", NULL, &ffsink_ctx, ost->graph);
408 last_filter = ost->input_video_filter;
410 if (codec->width != icodec->width || codec->height != icodec->height) {
411 snprintf(args, 255, "%d:%d:flags=0x%X",
415 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
416 NULL, args, NULL, ost->graph)) < 0)
418 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
420 last_filter = filter;
423 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
424 ost->graph->scale_sws_opts = av_strdup(args);
427 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
428 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
430 outputs->name = av_strdup("in");
431 outputs->filter_ctx = last_filter;
432 outputs->pad_idx = 0;
433 outputs->next = NULL;
435 inputs->name = av_strdup("out");
436 inputs->filter_ctx = ost->output_video_filter;
440 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
442 av_freep(&ost->avfilter);
444 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
448 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
451 codec->width = ost->output_video_filter->inputs[0]->w;
452 codec->height = ost->output_video_filter->inputs[0]->h;
453 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
454 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
455 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
456 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
460 #endif /* CONFIG_AVFILTER */
462 static void term_exit(void)
464 av_log(NULL, AV_LOG_QUIET, "");
467 static volatile int received_sigterm = 0;
468 static volatile int received_nb_signals = 0;
471 sigterm_handler(int sig)
473 received_sigterm = sig;
474 received_nb_signals++;
478 static void term_init(void)
480 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
481 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
483 signal(SIGXCPU, sigterm_handler);
487 static int decode_interrupt_cb(void)
489 return received_nb_signals > 1;
492 void exit_program(int ret)
497 for(i=0;i<nb_output_files;i++) {
498 AVFormatContext *s = output_files[i].ctx;
499 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
501 avformat_free_context(s);
502 av_dict_free(&output_files[i].opts);
504 for(i=0;i<nb_input_files;i++) {
505 av_close_input_file(input_files[i].ctx);
507 for (i = 0; i < nb_input_streams; i++)
508 av_dict_free(&input_streams[i].opts);
510 av_free(intra_matrix);
511 av_free(inter_matrix);
515 av_free(vstats_filename);
517 av_freep(&input_streams);
518 av_freep(&input_files);
519 av_freep(&output_streams);
520 av_freep(&output_files);
525 allocated_audio_buf_size= allocated_audio_out_size= 0;
532 if (received_sigterm) {
534 "Received signal %d: terminating.\n",
535 (int) received_sigterm);
539 exit(ret); /* not all OS-es handle main() return value */
542 static void assert_avoptions(AVDictionary *m)
544 AVDictionaryEntry *t;
545 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
546 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
551 static void assert_codec_experimental(AVCodecContext *c, int encoder)
553 const char *codec_string = encoder ? "encoder" : "decoder";
555 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
556 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
557 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
558 "results.\nAdd '-strict experimental' if you want to use it.\n",
559 codec_string, c->codec->name);
560 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
561 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
562 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
563 codec_string, codec->name);
568 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
570 if(codec && codec->sample_fmts){
571 const enum AVSampleFormat *p= codec->sample_fmts;
573 if(*p == st->codec->sample_fmt)
577 av_log(NULL, AV_LOG_WARNING,
578 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
579 av_get_sample_fmt_name(st->codec->sample_fmt),
581 av_get_sample_fmt_name(codec->sample_fmts[0]));
582 st->codec->sample_fmt = codec->sample_fmts[0];
588 * Update the requested input sample format based on the output sample format.
589 * This is currently only used to request float output from decoders which
590 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
591 * Ideally this will be removed in the future when decoders do not do format
592 * conversion and only output in their native format.
594 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
597 /* if sample formats match or a decoder sample format has already been
598 requested, just return */
599 if (enc->sample_fmt == dec->sample_fmt ||
600 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
603 /* if decoder supports more than one output format */
604 if (dec_codec && dec_codec->sample_fmts &&
605 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
606 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
607 const enum AVSampleFormat *p;
608 int min_dec = -1, min_inc = -1;
610 /* find a matching sample format in the encoder */
611 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
612 if (*p == enc->sample_fmt) {
613 dec->request_sample_fmt = *p;
615 } else if (*p > enc->sample_fmt) {
616 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
618 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
621 /* if none match, provide the one that matches quality closest */
622 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
623 enc->sample_fmt - min_dec;
627 static void choose_sample_rate(AVStream *st, AVCodec *codec)
629 if(codec && codec->supported_samplerates){
630 const int *p= codec->supported_samplerates;
632 int best_dist=INT_MAX;
634 int dist= abs(st->codec->sample_rate - *p);
635 if(dist < best_dist){
641 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
643 st->codec->sample_rate= best;
647 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
649 if(codec && codec->pix_fmts){
650 const enum PixelFormat *p= codec->pix_fmts;
651 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
652 if(st->codec->codec_id==CODEC_ID_MJPEG){
653 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
654 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
655 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};
659 if(*p == st->codec->pix_fmt)
663 if(st->codec->pix_fmt != PIX_FMT_NONE)
664 av_log(NULL, AV_LOG_WARNING,
665 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
666 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
668 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
669 st->codec->pix_fmt = codec->pix_fmts[0];
675 get_sync_ipts(const OutputStream *ost)
677 const InputStream *ist = ost->sync_ist;
678 OutputFile *of = &output_files[ost->file_index];
679 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
682 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
686 AVPacket new_pkt= *pkt;
687 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
688 &new_pkt.data, &new_pkt.size,
689 pkt->data, pkt->size,
690 pkt->flags & AV_PKT_FLAG_KEY);
693 new_pkt.destruct= av_destruct_packet;
695 fprintf(stderr, "%s failed for stream %d, codec %s",
696 bsfc->filter->name, pkt->stream_index,
697 avctx->codec ? avctx->codec->name : "copy");
707 ret= av_interleaved_write_frame(s, pkt);
709 print_error("av_interleaved_write_frame()", ret);
714 static void do_audio_out(AVFormatContext *s,
717 unsigned char *buf, int size)
720 int64_t audio_out_size, audio_buf_size;
721 int64_t allocated_for_size= size;
723 int size_out, frame_bytes, ret, resample_changed;
724 AVCodecContext *enc= ost->st->codec;
725 AVCodecContext *dec= ist->st->codec;
726 int osize = av_get_bytes_per_sample(enc->sample_fmt);
727 int isize = av_get_bytes_per_sample(dec->sample_fmt);
728 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
731 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
732 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
733 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
734 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
735 audio_buf_size*= osize*enc->channels;
737 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
738 if(coded_bps > 8*osize)
739 audio_out_size= audio_out_size * coded_bps / (8*osize);
740 audio_out_size += FF_MIN_BUFFER_SIZE;
742 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
743 fprintf(stderr, "Buffer sizes too large\n");
747 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
748 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
749 if (!audio_buf || !audio_out){
750 fprintf(stderr, "Out of memory in do_audio_out\n");
754 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
755 ost->audio_resample = 1;
757 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
758 ost->resample_channels != dec->channels ||
759 ost->resample_sample_rate != dec->sample_rate;
761 if ((ost->audio_resample && !ost->resample) || resample_changed) {
762 if (resample_changed) {
763 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",
764 ist->file_index, ist->st->index,
765 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
766 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
767 ost->resample_sample_fmt = dec->sample_fmt;
768 ost->resample_channels = dec->channels;
769 ost->resample_sample_rate = dec->sample_rate;
771 audio_resample_close(ost->resample);
773 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
774 if (audio_sync_method <= 1 &&
775 ost->resample_sample_fmt == enc->sample_fmt &&
776 ost->resample_channels == enc->channels &&
777 ost->resample_sample_rate == enc->sample_rate) {
778 ost->resample = NULL;
779 ost->audio_resample = 0;
780 } else if (ost->audio_resample) {
781 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
782 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
783 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
784 enc->sample_rate, dec->sample_rate,
785 enc->sample_fmt, dec->sample_fmt,
787 if (!ost->resample) {
788 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
789 dec->channels, dec->sample_rate,
790 enc->channels, enc->sample_rate);
796 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
797 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
798 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
799 if (ost->reformat_ctx)
800 av_audio_convert_free(ost->reformat_ctx);
801 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
802 dec->sample_fmt, 1, NULL, 0);
803 if (!ost->reformat_ctx) {
804 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
805 av_get_sample_fmt_name(dec->sample_fmt),
806 av_get_sample_fmt_name(enc->sample_fmt));
809 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
812 if(audio_sync_method){
813 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
814 - av_fifo_size(ost->fifo)/(enc->channels * 2);
815 double idelta= delta*dec->sample_rate / enc->sample_rate;
816 int byte_delta= ((int)idelta)*2*dec->channels;
818 //FIXME resample delay
819 if(fabs(delta) > 50){
820 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
822 byte_delta= FFMAX(byte_delta, -size);
826 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
831 static uint8_t *input_tmp= NULL;
832 input_tmp= av_realloc(input_tmp, byte_delta + size);
834 if(byte_delta > allocated_for_size - size){
835 allocated_for_size= byte_delta + (int64_t)size;
840 memset(input_tmp, 0, byte_delta);
841 memcpy(input_tmp + byte_delta, buf, size);
845 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
847 }else if(audio_sync_method>1){
848 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
849 av_assert0(ost->audio_resample);
851 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
852 // 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));
853 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
857 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
858 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
860 if (ost->audio_resample) {
862 size_out = audio_resample(ost->resample,
863 (short *)buftmp, (short *)buf,
864 size / (dec->channels * isize));
865 size_out = size_out * enc->channels * osize;
871 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
872 const void *ibuf[6]= {buftmp};
873 void *obuf[6]= {audio_buf};
874 int istride[6]= {isize};
875 int ostride[6]= {osize};
876 int len= size_out/istride[0];
877 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
878 printf("av_audio_convert() failed\n");
884 size_out = len*osize;
887 /* now encode as many frames as possible */
888 if (enc->frame_size > 1) {
889 /* output resampled raw samples */
890 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
891 fprintf(stderr, "av_fifo_realloc2() failed\n");
894 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
896 frame_bytes = enc->frame_size * osize * enc->channels;
898 while (av_fifo_size(ost->fifo) >= frame_bytes) {
900 av_init_packet(&pkt);
902 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
904 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
906 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
909 fprintf(stderr, "Audio encoding failed\n");
913 pkt.stream_index= ost->index;
916 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
917 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
918 pkt.flags |= AV_PKT_FLAG_KEY;
919 write_frame(s, &pkt, enc, ost->bitstream_filters);
921 ost->sync_opts += enc->frame_size;
925 av_init_packet(&pkt);
927 ost->sync_opts += size_out / (osize * enc->channels);
929 /* output a pcm frame */
930 /* determine the size of the coded buffer */
933 size_out = size_out*coded_bps/8;
935 if(size_out > audio_out_size){
936 fprintf(stderr, "Internal error, buffer size too small\n");
940 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
941 ret = avcodec_encode_audio(enc, audio_out, size_out,
944 fprintf(stderr, "Audio encoding failed\n");
948 pkt.stream_index= ost->index;
951 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
952 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
953 pkt.flags |= AV_PKT_FLAG_KEY;
954 write_frame(s, &pkt, enc, ost->bitstream_filters);
958 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
962 AVPicture picture_tmp;
965 dec = ist->st->codec;
967 /* deinterlace : must be done before any resize */
968 if (do_deinterlace) {
971 /* create temporary picture */
972 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
973 buf = av_malloc(size);
977 picture2 = &picture_tmp;
978 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
980 if(avpicture_deinterlace(picture2, picture,
981 dec->pix_fmt, dec->width, dec->height) < 0) {
982 /* if error, do not deinterlace */
983 fprintf(stderr, "Deinterlacing failed\n");
992 if (picture != picture2)
993 *picture = *picture2;
997 static void do_subtitle_out(AVFormatContext *s,
1003 static uint8_t *subtitle_out = NULL;
1004 int subtitle_out_max_size = 1024 * 1024;
1005 int subtitle_out_size, nb, i;
1006 AVCodecContext *enc;
1009 if (pts == AV_NOPTS_VALUE) {
1010 fprintf(stderr, "Subtitle packets must have a pts\n");
1016 enc = ost->st->codec;
1018 if (!subtitle_out) {
1019 subtitle_out = av_malloc(subtitle_out_max_size);
1022 /* Note: DVB subtitle need one packet to draw them and one other
1023 packet to clear them */
1024 /* XXX: signal it in the codec context ? */
1025 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1030 for(i = 0; i < nb; i++) {
1031 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1032 // start_display_time is required to be 0
1033 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1034 sub->end_display_time -= sub->start_display_time;
1035 sub->start_display_time = 0;
1036 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1037 subtitle_out_max_size, sub);
1038 if (subtitle_out_size < 0) {
1039 fprintf(stderr, "Subtitle encoding failed\n");
1043 av_init_packet(&pkt);
1044 pkt.stream_index = ost->index;
1045 pkt.data = subtitle_out;
1046 pkt.size = subtitle_out_size;
1047 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1048 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1049 /* XXX: the pts correction is handled here. Maybe handling
1050 it in the codec would be better */
1052 pkt.pts += 90 * sub->start_display_time;
1054 pkt.pts += 90 * sub->end_display_time;
1056 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1060 static int bit_buffer_size= 1024*256;
1061 static uint8_t *bit_buffer= NULL;
1063 static void do_video_resample(OutputStream *ost,
1065 AVFrame *in_picture,
1066 AVFrame **out_picture)
1068 int resample_changed = 0;
1069 AVCodecContext *dec = ist->st->codec;
1070 *out_picture = in_picture;
1072 resample_changed = ost->resample_width != dec->width ||
1073 ost->resample_height != dec->height ||
1074 ost->resample_pix_fmt != dec->pix_fmt;
1076 if (resample_changed) {
1077 av_log(NULL, AV_LOG_INFO,
1078 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1079 ist->file_index, ist->st->index,
1080 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1081 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1082 if(!ost->video_resample)
1083 ost->video_resample = 1;
1086 #if !CONFIG_AVFILTER
1087 if (ost->video_resample) {
1088 *out_picture = &ost->pict_tmp;
1089 if (resample_changed) {
1090 /* initialize a new scaler context */
1091 sws_freeContext(ost->img_resample_ctx);
1092 ost->img_resample_ctx = sws_getContext(
1093 ist->st->codec->width,
1094 ist->st->codec->height,
1095 ist->st->codec->pix_fmt,
1096 ost->st->codec->width,
1097 ost->st->codec->height,
1098 ost->st->codec->pix_fmt,
1099 ost->sws_flags, NULL, NULL, NULL);
1100 if (ost->img_resample_ctx == NULL) {
1101 fprintf(stderr, "Cannot get resampling context\n");
1105 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1106 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1109 if (resample_changed) {
1110 avfilter_graph_free(&ost->graph);
1111 if (configure_video_filters(ist, ost)) {
1112 fprintf(stderr, "Error reinitializing filters!\n");
1117 if (resample_changed) {
1118 ost->resample_width = dec->width;
1119 ost->resample_height = dec->height;
1120 ost->resample_pix_fmt = dec->pix_fmt;
1125 static void do_video_out(AVFormatContext *s,
1128 AVFrame *in_picture,
1129 int *frame_size, float quality)
1131 int nb_frames, i, ret, format_video_sync;
1132 AVFrame *final_picture;
1133 AVCodecContext *enc;
1136 enc = ost->st->codec;
1138 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1140 /* by default, we output a single frame */
1145 format_video_sync = video_sync_method;
1146 if (format_video_sync < 0)
1147 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1149 if (format_video_sync) {
1150 double vdelta = sync_ipts - ost->sync_opts;
1151 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1154 else if (format_video_sync == 2) {
1157 }else if(vdelta>0.6)
1158 ost->sync_opts= lrintf(sync_ipts);
1159 }else if (vdelta > 1.1)
1160 nb_frames = lrintf(vdelta);
1161 //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);
1162 if (nb_frames == 0){
1165 fprintf(stderr, "*** drop!\n");
1166 }else if (nb_frames > 1) {
1167 nb_frames_dup += nb_frames - 1;
1169 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1172 ost->sync_opts= lrintf(sync_ipts);
1174 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1178 do_video_resample(ost, ist, in_picture, &final_picture);
1180 /* duplicates frame if needed */
1181 for(i=0;i<nb_frames;i++) {
1183 av_init_packet(&pkt);
1184 pkt.stream_index= ost->index;
1186 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1187 /* raw pictures are written as AVPicture structure to
1188 avoid any copies. We support temporarily the older
1190 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1191 enc->coded_frame->top_field_first = in_picture->top_field_first;
1192 pkt.data= (uint8_t *)final_picture;
1193 pkt.size= sizeof(AVPicture);
1194 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1195 pkt.flags |= AV_PKT_FLAG_KEY;
1197 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1199 AVFrame big_picture;
1201 big_picture= *final_picture;
1202 /* better than nothing: use input picture interlaced
1204 big_picture.interlaced_frame = in_picture->interlaced_frame;
1205 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1206 if(top_field_first == -1)
1207 big_picture.top_field_first = in_picture->top_field_first;
1209 big_picture.top_field_first = top_field_first;
1212 /* handles same_quant here. This is not correct because it may
1213 not be a global option */
1214 big_picture.quality = quality;
1216 big_picture.pict_type = 0;
1217 // big_picture.pts = AV_NOPTS_VALUE;
1218 big_picture.pts= ost->sync_opts;
1219 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1220 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1221 if (ost->forced_kf_index < ost->forced_kf_count &&
1222 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1223 big_picture.pict_type = AV_PICTURE_TYPE_I;
1224 ost->forced_kf_index++;
1226 ret = avcodec_encode_video(enc,
1227 bit_buffer, bit_buffer_size,
1230 fprintf(stderr, "Video encoding failed\n");
1235 pkt.data= bit_buffer;
1237 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1238 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1239 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1240 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1241 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1243 if(enc->coded_frame->key_frame)
1244 pkt.flags |= AV_PKT_FLAG_KEY;
1245 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1248 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1249 // enc->frame_number-1, ret, enc->pict_type);
1250 /* if two pass, output log */
1251 if (ost->logfile && enc->stats_out) {
1252 fprintf(ost->logfile, "%s", enc->stats_out);
1257 ost->frame_number++;
1261 static double psnr(double d){
1262 return -10.0*log(d)/log(10.0);
1265 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1268 AVCodecContext *enc;
1270 double ti1, bitrate, avg_bitrate;
1272 /* this is executed just the first time do_video_stats is called */
1274 vstats_file = fopen(vstats_filename, "w");
1281 enc = ost->st->codec;
1282 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1283 frame_number = ost->frame_number;
1284 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1285 if (enc->flags&CODEC_FLAG_PSNR)
1286 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1288 fprintf(vstats_file,"f_size= %6d ", frame_size);
1289 /* compute pts value */
1290 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1294 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1295 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1296 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1297 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1298 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1302 static void print_report(OutputFile *output_files,
1303 OutputStream *ost_table, int nb_ostreams,
1304 int is_last_report, int64_t timer_start)
1308 AVFormatContext *oc;
1310 AVCodecContext *enc;
1311 int frame_number, vid, i;
1312 double bitrate, ti1, pts;
1313 static int64_t last_time = -1;
1314 static int qp_histogram[52];
1316 if (!is_last_report) {
1318 /* display the report every 0.5 seconds */
1319 cur_time = av_gettime();
1320 if (last_time == -1) {
1321 last_time = cur_time;
1324 if ((cur_time - last_time) < 500000)
1326 last_time = cur_time;
1330 oc = output_files[0].ctx;
1332 total_size = avio_size(oc->pb);
1333 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1334 total_size= avio_tell(oc->pb);
1339 for(i=0;i<nb_ostreams;i++) {
1341 ost = &ost_table[i];
1342 enc = ost->st->codec;
1343 if (!ost->st->stream_copy && enc->coded_frame)
1344 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1345 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1346 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1348 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1349 float t = (av_gettime()-timer_start) / 1000000.0;
1351 frame_number = ost->frame_number;
1352 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1353 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1355 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1359 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1362 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1364 if (enc->flags&CODEC_FLAG_PSNR){
1366 double error, error_sum=0;
1367 double scale, scale_sum=0;
1368 char type[3]= {'Y','U','V'};
1369 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1372 error= enc->error[j];
1373 scale= enc->width*enc->height*255.0*255.0*frame_number;
1375 error= enc->coded_frame->error[j];
1376 scale= enc->width*enc->height*255.0*255.0;
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1383 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1387 /* compute min output value */
1388 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1389 if ((pts < ti1) && (pts > 0))
1395 if (verbose > 0 || is_last_report) {
1396 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1399 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1400 (double)total_size / 1024, ti1, bitrate);
1402 if (nb_frames_dup || nb_frames_drop)
1403 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1404 nb_frames_dup, nb_frames_drop);
1407 fprintf(stderr, "%s \r", buf);
1412 if (is_last_report && verbose >= 0){
1413 int64_t raw= audio_size + video_size + extra_size;
1414 fprintf(stderr, "\n");
1415 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1419 100.0*(total_size - raw)/raw
1424 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1426 int fill_char = 0x00;
1427 if (sample_fmt == AV_SAMPLE_FMT_U8)
1429 memset(buf, fill_char, size);
1432 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1436 for (i = 0; i < nb_ostreams; i++) {
1437 OutputStream *ost = &ost_table[i];
1438 AVCodecContext *enc = ost->st->codec;
1439 AVFormatContext *os = output_files[ost->file_index].ctx;
1441 if (!ost->encoding_needed)
1444 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1446 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1452 av_init_packet(&pkt);
1453 pkt.stream_index= ost->index;
1455 switch (ost->st->codec->codec_type) {
1456 case AVMEDIA_TYPE_AUDIO:
1457 fifo_bytes = av_fifo_size(ost->fifo);
1459 /* encode any samples remaining in fifo */
1460 if (fifo_bytes > 0) {
1461 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1462 int fs_tmp = enc->frame_size;
1464 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1465 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1466 enc->frame_size = fifo_bytes / (osize * enc->channels);
1468 int frame_bytes = enc->frame_size*osize*enc->channels;
1469 if (allocated_audio_buf_size < frame_bytes)
1471 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1474 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1475 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1476 ost->st->time_base.num, enc->sample_rate);
1477 enc->frame_size = fs_tmp;
1480 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1483 fprintf(stderr, "Audio encoding failed\n");
1487 pkt.flags |= AV_PKT_FLAG_KEY;
1489 case AVMEDIA_TYPE_VIDEO:
1490 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1492 fprintf(stderr, "Video encoding failed\n");
1496 if(enc->coded_frame && enc->coded_frame->key_frame)
1497 pkt.flags |= AV_PKT_FLAG_KEY;
1498 if (ost->logfile && enc->stats_out) {
1499 fprintf(ost->logfile, "%s", enc->stats_out);
1508 pkt.data = bit_buffer;
1510 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1511 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1512 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1517 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1518 static int output_packet(InputStream *ist, int ist_index,
1519 OutputStream *ost_table, int nb_ostreams,
1520 const AVPacket *pkt)
1522 AVFormatContext *os;
1527 void *buffer_to_free = NULL;
1528 static unsigned int samples_size= 0;
1529 AVSubtitle subtitle, *subtitle_to_free;
1530 int64_t pkt_pts = AV_NOPTS_VALUE;
1532 int frame_available;
1537 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1539 if(ist->next_pts == AV_NOPTS_VALUE)
1540 ist->next_pts= ist->pts;
1544 av_init_packet(&avpkt);
1552 if(pkt->dts != AV_NOPTS_VALUE)
1553 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1554 if(pkt->pts != AV_NOPTS_VALUE)
1555 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1557 //while we have more to decode or while the decoder did output something on EOF
1558 while (avpkt.size > 0 || (!pkt && got_output)) {
1559 uint8_t *data_buf, *decoded_data_buf;
1560 int data_size, decoded_data_size;
1562 ist->pts= ist->next_pts;
1564 if(avpkt.size && avpkt.size != pkt->size &&
1565 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1566 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1567 ist->showed_multi_packet_warning=1;
1570 /* decode the packet if needed */
1571 decoded_data_buf = NULL; /* fail safe */
1572 decoded_data_size= 0;
1573 data_buf = avpkt.data;
1574 data_size = avpkt.size;
1575 subtitle_to_free = NULL;
1576 if (ist->decoding_needed) {
1577 switch(ist->st->codec->codec_type) {
1578 case AVMEDIA_TYPE_AUDIO:{
1579 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1580 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1582 samples= av_malloc(samples_size);
1584 decoded_data_size= samples_size;
1585 /* XXX: could avoid copy if PCM 16 bits with same
1586 endianness as CPU */
1587 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1594 got_output = decoded_data_size > 0;
1595 /* Some bug in mpeg audio decoder gives */
1596 /* decoded_data_size < 0, it seems they are overflows */
1598 /* no audio frame */
1601 decoded_data_buf = (uint8_t *)samples;
1602 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1603 (ist->st->codec->sample_rate * ist->st->codec->channels);
1605 case AVMEDIA_TYPE_VIDEO:
1606 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1607 /* XXX: allocate picture correctly */
1608 avcodec_get_frame_defaults(&picture);
1609 avpkt.pts = pkt_pts;
1610 avpkt.dts = ist->pts;
1611 pkt_pts = AV_NOPTS_VALUE;
1613 ret = avcodec_decode_video2(ist->st->codec,
1614 &picture, &got_output, &avpkt);
1615 quality = same_quant ? picture.quality : 0;
1619 /* no picture yet */
1620 goto discard_packet;
1622 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1623 if (ist->st->codec->time_base.num != 0) {
1624 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1625 ist->next_pts += ((int64_t)AV_TIME_BASE *
1626 ist->st->codec->time_base.num * ticks) /
1627 ist->st->codec->time_base.den;
1630 buffer_to_free = NULL;
1631 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1633 case AVMEDIA_TYPE_SUBTITLE:
1634 ret = avcodec_decode_subtitle2(ist->st->codec,
1635 &subtitle, &got_output, &avpkt);
1639 goto discard_packet;
1641 subtitle_to_free = &subtitle;
1648 switch(ist->st->codec->codec_type) {
1649 case AVMEDIA_TYPE_AUDIO:
1650 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1651 ist->st->codec->sample_rate;
1653 case AVMEDIA_TYPE_VIDEO:
1654 if (ist->st->codec->time_base.num != 0) {
1655 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1656 ist->next_pts += ((int64_t)AV_TIME_BASE *
1657 ist->st->codec->time_base.num * ticks) /
1658 ist->st->codec->time_base.den;
1665 // preprocess audio (volume)
1666 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1667 if (audio_volume != 256) {
1670 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1671 int v = ((*volp) * audio_volume + 128) >> 8;
1672 *volp++ = av_clip_int16(v);
1677 /* frame rate emulation */
1678 if (input_files[ist->file_index].rate_emu) {
1679 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1680 int64_t now = av_gettime() - ist->start;
1684 /* if output time reached then transcode raw format,
1685 encode packets and output them */
1686 for (i = 0; i < nb_ostreams; i++) {
1687 OutputFile *of = &output_files[ost_table[i].file_index];
1690 ost = &ost_table[i];
1691 if (ost->source_index != ist_index)
1694 if (of->start_time && ist->pts < of->start_time)
1697 if (of->recording_time != INT64_MAX &&
1698 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1699 (AVRational){1, 1000000}) >= 0) {
1700 ost->is_past_recording_time = 1;
1705 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1706 ost->input_video_filter) {
1708 if (ist->st->sample_aspect_ratio.num)
1709 sar = ist->st->sample_aspect_ratio;
1711 sar = ist->st->codec->sample_aspect_ratio;
1712 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1714 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1715 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1716 while (frame_available) {
1717 AVRational ist_pts_tb;
1718 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1719 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1721 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1723 os = output_files[ost->file_index].ctx;
1725 /* set the input output pts pairs */
1726 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1728 if (ost->encoding_needed) {
1729 av_assert0(ist->decoding_needed);
1730 switch(ost->st->codec->codec_type) {
1731 case AVMEDIA_TYPE_AUDIO:
1732 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1734 case AVMEDIA_TYPE_VIDEO:
1736 if (ost->picref->video && !ost->frame_aspect_ratio)
1737 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1739 do_video_out(os, ost, ist, &picture, &frame_size,
1740 same_quant ? quality : ost->st->codec->global_quality);
1741 if (vstats_filename && frame_size)
1742 do_video_stats(os, ost, frame_size);
1744 case AVMEDIA_TYPE_SUBTITLE:
1745 do_subtitle_out(os, ost, ist, &subtitle,
1752 AVFrame avframe; //FIXME/XXX remove this
1754 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1756 av_init_packet(&opkt);
1758 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1759 #if !CONFIG_AVFILTER
1765 /* no reencoding needed : output the packet directly */
1766 /* force the input stream PTS */
1768 avcodec_get_frame_defaults(&avframe);
1769 ost->st->codec->coded_frame= &avframe;
1770 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1772 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1773 audio_size += data_size;
1774 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1775 video_size += data_size;
1779 opkt.stream_index= ost->index;
1780 if(pkt->pts != AV_NOPTS_VALUE)
1781 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1783 opkt.pts= AV_NOPTS_VALUE;
1785 if (pkt->dts == AV_NOPTS_VALUE)
1786 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1788 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1789 opkt.dts -= ost_tb_start_time;
1791 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1792 opkt.flags= pkt->flags;
1794 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1795 if( ost->st->codec->codec_id != CODEC_ID_H264
1796 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1797 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1799 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1800 opkt.destruct= av_destruct_packet;
1802 opkt.data = data_buf;
1803 opkt.size = data_size;
1806 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1807 ost->st->codec->frame_number++;
1808 ost->frame_number++;
1809 av_free_packet(&opkt);
1813 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1814 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1816 avfilter_unref_buffer(ost->picref);
1821 av_free(buffer_to_free);
1822 /* XXX: allocate the subtitles in the codec ? */
1823 if (subtitle_to_free) {
1824 avsubtitle_free(subtitle_to_free);
1825 subtitle_to_free = NULL;
1833 static void print_sdp(OutputFile *output_files, int n)
1837 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1841 for (i = 0; i < n; i++)
1842 avc[i] = output_files[i].ctx;
1844 av_sdp_create(avc, n, sdp, sizeof(sdp));
1845 printf("SDP:\n%s\n", sdp);
1850 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1851 char *error, int error_len)
1854 InputStream *ist = &input_streams[ist_index];
1855 if (ist->decoding_needed) {
1856 AVCodec *codec = ist->dec;
1858 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1859 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1860 return AVERROR(EINVAL);
1863 /* update requested sample format for the decoder based on the
1864 corresponding encoder sample format */
1865 for (i = 0; i < nb_output_streams; i++) {
1866 OutputStream *ost = &output_streams[i];
1867 if (ost->source_index == ist_index) {
1868 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1873 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1874 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1875 ist->file_index, ist->st->index);
1876 return AVERROR(EINVAL);
1878 assert_codec_experimental(ist->st->codec, 0);
1879 assert_avoptions(ist->opts);
1882 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;
1883 ist->next_pts = AV_NOPTS_VALUE;
1884 init_pts_correction(&ist->pts_ctx);
1890 static int transcode_init(OutputFile *output_files,
1891 int nb_output_files,
1892 InputFile *input_files,
1895 int ret = 0, i, j, k;
1896 AVFormatContext *os;
1897 AVCodecContext *codec, *icodec;
1903 /* init framerate emulation */
1904 for (i = 0; i < nb_input_files; i++) {
1905 InputFile *ifile = &input_files[i];
1906 if (ifile->rate_emu)
1907 for (j = 0; j < ifile->nb_streams; j++)
1908 input_streams[j + ifile->ist_index].start = av_gettime();
1911 /* output stream init */
1912 for(i=0;i<nb_output_files;i++) {
1913 os = output_files[i].ctx;
1914 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1915 av_dump_format(os, i, os->filename, 1);
1916 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1917 return AVERROR(EINVAL);
1921 /* for each output stream, we compute the right encoding parameters */
1922 for (i = 0; i < nb_output_streams; i++) {
1923 ost = &output_streams[i];
1924 os = output_files[ost->file_index].ctx;
1925 ist = &input_streams[ost->source_index];
1927 codec = ost->st->codec;
1928 icodec = ist->st->codec;
1930 ost->st->disposition = ist->st->disposition;
1931 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1932 codec->chroma_sample_location = icodec->chroma_sample_location;
1934 if (ost->st->stream_copy) {
1935 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1937 if (extra_size > INT_MAX) {
1938 return AVERROR(EINVAL);
1941 /* if stream_copy is selected, no need to decode or encode */
1942 codec->codec_id = icodec->codec_id;
1943 codec->codec_type = icodec->codec_type;
1945 if(!codec->codec_tag){
1946 if( !os->oformat->codec_tag
1947 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1948 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1949 codec->codec_tag = icodec->codec_tag;
1952 codec->bit_rate = icodec->bit_rate;
1953 codec->rc_max_rate = icodec->rc_max_rate;
1954 codec->rc_buffer_size = icodec->rc_buffer_size;
1955 codec->extradata= av_mallocz(extra_size);
1956 if (!codec->extradata) {
1957 return AVERROR(ENOMEM);
1959 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1960 codec->extradata_size= icodec->extradata_size;
1961 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){
1962 codec->time_base = icodec->time_base;
1963 codec->time_base.num *= icodec->ticks_per_frame;
1964 av_reduce(&codec->time_base.num, &codec->time_base.den,
1965 codec->time_base.num, codec->time_base.den, INT_MAX);
1967 codec->time_base = ist->st->time_base;
1968 switch(codec->codec_type) {
1969 case AVMEDIA_TYPE_AUDIO:
1970 if(audio_volume != 256) {
1971 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1974 codec->channel_layout = icodec->channel_layout;
1975 codec->sample_rate = icodec->sample_rate;
1976 codec->channels = icodec->channels;
1977 codec->frame_size = icodec->frame_size;
1978 codec->audio_service_type = icodec->audio_service_type;
1979 codec->block_align= icodec->block_align;
1980 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1981 codec->block_align= 0;
1982 if(codec->codec_id == CODEC_ID_AC3)
1983 codec->block_align= 0;
1985 case AVMEDIA_TYPE_VIDEO:
1986 codec->pix_fmt = icodec->pix_fmt;
1987 codec->width = icodec->width;
1988 codec->height = icodec->height;
1989 codec->has_b_frames = icodec->has_b_frames;
1990 if (!codec->sample_aspect_ratio.num) {
1991 codec->sample_aspect_ratio =
1992 ost->st->sample_aspect_ratio =
1993 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1994 ist->st->codec->sample_aspect_ratio.num ?
1995 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1998 case AVMEDIA_TYPE_SUBTITLE:
1999 codec->width = icodec->width;
2000 codec->height = icodec->height;
2002 case AVMEDIA_TYPE_DATA:
2009 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2010 switch(codec->codec_type) {
2011 case AVMEDIA_TYPE_AUDIO:
2012 ost->fifo= av_fifo_alloc(1024);
2014 return AVERROR(ENOMEM);
2016 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2017 if (!codec->sample_rate) {
2018 codec->sample_rate = icodec->sample_rate;
2020 codec->sample_rate >>= icodec->lowres;
2022 choose_sample_rate(ost->st, ost->enc);
2023 codec->time_base = (AVRational){1, codec->sample_rate};
2024 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2025 codec->sample_fmt = icodec->sample_fmt;
2026 choose_sample_fmt(ost->st, ost->enc);
2027 if (!codec->channels)
2028 codec->channels = icodec->channels;
2029 codec->channel_layout = icodec->channel_layout;
2030 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2031 codec->channel_layout = 0;
2032 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2033 icodec->request_channels = codec->channels;
2034 ist->decoding_needed = 1;
2035 ost->encoding_needed = 1;
2036 ost->resample_sample_fmt = icodec->sample_fmt;
2037 ost->resample_sample_rate = icodec->sample_rate;
2038 ost->resample_channels = icodec->channels;
2040 case AVMEDIA_TYPE_VIDEO:
2041 if (codec->pix_fmt == PIX_FMT_NONE)
2042 codec->pix_fmt = icodec->pix_fmt;
2043 choose_pixel_fmt(ost->st, ost->enc);
2045 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2046 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2050 if (!codec->width || !codec->height) {
2051 codec->width = icodec->width;
2052 codec->height = icodec->height;
2055 ost->video_resample = codec->width != icodec->width ||
2056 codec->height != icodec->height ||
2057 codec->pix_fmt != icodec->pix_fmt;
2058 if (ost->video_resample) {
2059 #if !CONFIG_AVFILTER
2060 avcodec_get_frame_defaults(&ost->pict_tmp);
2061 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2062 codec->width, codec->height)) {
2063 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2066 ost->img_resample_ctx = sws_getContext(
2073 ost->sws_flags, NULL, NULL, NULL);
2074 if (ost->img_resample_ctx == NULL) {
2075 fprintf(stderr, "Cannot get resampling context\n");
2079 codec->bits_per_raw_sample= 0;
2082 ost->resample_height = icodec->height;
2083 ost->resample_width = icodec->width;
2084 ost->resample_pix_fmt= icodec->pix_fmt;
2085 ost->encoding_needed = 1;
2086 ist->decoding_needed = 1;
2088 if (!ost->frame_rate.num)
2089 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2090 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2091 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2092 ost->frame_rate = ost->enc->supported_framerates[idx];
2094 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2097 if (configure_video_filters(ist, ost)) {
2098 fprintf(stderr, "Error opening filters!\n");
2103 case AVMEDIA_TYPE_SUBTITLE:
2104 ost->encoding_needed = 1;
2105 ist->decoding_needed = 1;
2112 if (ost->encoding_needed &&
2113 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2114 char logfilename[1024];
2117 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2118 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2120 if (codec->flags & CODEC_FLAG_PASS1) {
2121 f = fopen(logfilename, "wb");
2123 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2129 size_t logbuffer_size;
2130 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2131 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2134 codec->stats_in = logbuffer;
2138 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2139 int size= codec->width * codec->height;
2140 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2145 bit_buffer = av_malloc(bit_buffer_size);
2147 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2149 return AVERROR(ENOMEM);
2152 /* open each encoder */
2153 for (i = 0; i < nb_output_streams; i++) {
2154 ost = &output_streams[i];
2155 if (ost->encoding_needed) {
2156 AVCodec *codec = ost->enc;
2157 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2159 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2160 ost->st->codec->codec_id, ost->file_index, ost->index);
2161 ret = AVERROR(EINVAL);
2164 if (dec->subtitle_header) {
2165 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2166 if (!ost->st->codec->subtitle_header) {
2167 ret = AVERROR(ENOMEM);
2170 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2171 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2173 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2174 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2175 ost->file_index, ost->index);
2176 ret = AVERROR(EINVAL);
2179 assert_codec_experimental(ost->st->codec, 1);
2180 assert_avoptions(ost->opts);
2181 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2182 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2183 "It takes bits/s as argument, not kbits/s\n");
2184 extra_size += ost->st->codec->extradata_size;
2188 /* init input streams */
2189 for (i = 0; i < nb_input_streams; i++)
2190 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2193 /* discard unused programs */
2194 for (i = 0; i < nb_input_files; i++) {
2195 InputFile *ifile = &input_files[i];
2196 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2197 AVProgram *p = ifile->ctx->programs[j];
2198 int discard = AVDISCARD_ALL;
2200 for (k = 0; k < p->nb_stream_indexes; k++)
2201 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2202 discard = AVDISCARD_DEFAULT;
2205 p->discard = discard;
2209 /* open files and write file headers */
2210 for (i = 0; i < nb_output_files; i++) {
2211 os = output_files[i].ctx;
2212 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2213 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2214 ret = AVERROR(EINVAL);
2217 assert_avoptions(output_files[i].opts);
2218 if (strcmp(os->oformat->name, "rtp")) {
2224 /* dump the file output parameters - cannot be done before in case
2226 for(i=0;i<nb_output_files;i++) {
2227 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2230 /* dump the stream mapping */
2232 fprintf(stderr, "Stream mapping:\n");
2233 for (i = 0; i < nb_output_streams;i ++) {
2234 ost = &output_streams[i];
2235 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2236 input_streams[ost->source_index].file_index,
2237 input_streams[ost->source_index].st->index,
2240 if (ost->sync_ist != &input_streams[ost->source_index])
2241 fprintf(stderr, " [sync #%d.%d]",
2242 ost->sync_ist->file_index,
2243 ost->sync_ist->st->index);
2244 if (ost->st->stream_copy)
2245 fprintf(stderr, " (copy)");
2247 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2248 input_streams[ost->source_index].dec->name : "?",
2249 ost->enc ? ost->enc->name : "?");
2250 fprintf(stderr, "\n");
2255 fprintf(stderr, "%s\n", error);
2260 print_sdp(output_files, nb_output_files);
2267 * The following code is the main loop of the file converter
2269 static int transcode(OutputFile *output_files,
2270 int nb_output_files,
2271 InputFile *input_files,
2275 AVFormatContext *is, *os;
2279 int no_packet_count=0;
2280 int64_t timer_start;
2282 if (!(no_packet = av_mallocz(nb_input_files)))
2285 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2290 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2293 timer_start = av_gettime();
2295 for(; received_sigterm == 0;) {
2296 int file_index, ist_index;
2301 ipts_min = INT64_MAX;
2304 /* select the stream that we must read now by looking at the
2305 smallest output pts */
2307 for (i = 0; i < nb_output_streams; i++) {
2311 ost = &output_streams[i];
2312 of = &output_files[ost->file_index];
2313 os = output_files[ost->file_index].ctx;
2314 ist = &input_streams[ost->source_index];
2315 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2316 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2318 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2320 if (!input_files[ist->file_index].eof_reached){
2321 if(ipts < ipts_min) {
2323 if(input_sync ) file_index = ist->file_index;
2325 if(opts < opts_min) {
2327 if(!input_sync) file_index = ist->file_index;
2330 if (ost->frame_number >= ost->max_frames) {
2332 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2333 output_streams[j].is_past_recording_time = 1;
2337 /* if none, if is finished */
2338 if (file_index < 0) {
2339 if(no_packet_count){
2341 memset(no_packet, 0, nb_input_files);
2348 /* read a frame from it and output it in the fifo */
2349 is = input_files[file_index].ctx;
2350 ret= av_read_frame(is, &pkt);
2351 if(ret == AVERROR(EAGAIN)){
2352 no_packet[file_index]=1;
2357 input_files[file_index].eof_reached = 1;
2365 memset(no_packet, 0, nb_input_files);
2368 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2369 is->streams[pkt.stream_index]);
2371 /* the following test is needed in case new streams appear
2372 dynamically in stream : we ignore them */
2373 if (pkt.stream_index >= input_files[file_index].nb_streams)
2374 goto discard_packet;
2375 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2376 ist = &input_streams[ist_index];
2378 goto discard_packet;
2380 if (pkt.dts != AV_NOPTS_VALUE)
2381 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2382 if (pkt.pts != AV_NOPTS_VALUE)
2383 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2385 if(pkt.pts != AV_NOPTS_VALUE)
2386 pkt.pts *= ist->ts_scale;
2387 if(pkt.dts != AV_NOPTS_VALUE)
2388 pkt.dts *= ist->ts_scale;
2390 // 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);
2391 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2392 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2393 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2394 int64_t delta= pkt_dts - ist->next_pts;
2395 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2396 input_files[ist->file_index].ts_offset -= delta;
2398 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2399 delta, input_files[ist->file_index].ts_offset);
2400 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2401 if(pkt.pts != AV_NOPTS_VALUE)
2402 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2406 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2407 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2410 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2411 ist->file_index, ist->st->index);
2414 av_free_packet(&pkt);
2419 av_free_packet(&pkt);
2421 /* dump report by using the output first video and audio streams */
2422 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2425 /* at the end of stream, we must flush the decoder buffers */
2426 for (i = 0; i < nb_input_streams; i++) {
2427 ist = &input_streams[i];
2428 if (ist->decoding_needed) {
2429 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2432 flush_encoders(output_streams, nb_output_streams);
2436 /* write the trailer if needed and close file */
2437 for(i=0;i<nb_output_files;i++) {
2438 os = output_files[i].ctx;
2439 av_write_trailer(os);
2442 /* dump report by using the first video and audio streams */
2443 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2445 /* close each encoder */
2446 for (i = 0; i < nb_output_streams; i++) {
2447 ost = &output_streams[i];
2448 if (ost->encoding_needed) {
2449 av_freep(&ost->st->codec->stats_in);
2450 avcodec_close(ost->st->codec);
2453 avfilter_graph_free(&ost->graph);
2457 /* close each decoder */
2458 for (i = 0; i < nb_input_streams; i++) {
2459 ist = &input_streams[i];
2460 if (ist->decoding_needed) {
2461 avcodec_close(ist->st->codec);
2469 av_freep(&bit_buffer);
2470 av_freep(&no_packet);
2472 if (output_streams) {
2473 for (i = 0; i < nb_output_streams; i++) {
2474 ost = &output_streams[i];
2476 if (ost->st->stream_copy)
2477 av_freep(&ost->st->codec->extradata);
2479 fclose(ost->logfile);
2480 ost->logfile = NULL;
2482 av_fifo_free(ost->fifo); /* works even if fifo is not
2483 initialized but set to zero */
2484 av_freep(&ost->st->codec->subtitle_header);
2485 av_free(ost->pict_tmp.data[0]);
2486 av_free(ost->forced_kf_pts);
2487 if (ost->video_resample)
2488 sws_freeContext(ost->img_resample_ctx);
2490 audio_resample_close(ost->resample);
2491 if (ost->reformat_ctx)
2492 av_audio_convert_free(ost->reformat_ctx);
2493 av_dict_free(&ost->opts);
2500 static int opt_video_rc_override_string(const char *opt, const char *arg)
2502 video_rc_override_string = arg;
2506 static int opt_me_threshold(const char *opt, const char *arg)
2508 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2512 static int opt_verbose(const char *opt, const char *arg)
2514 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2518 static int opt_frame_rate(const char *opt, const char *arg)
2520 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2521 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2527 static int opt_frame_size(const char *opt, const char *arg)
2529 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2530 fprintf(stderr, "Incorrect frame size\n");
2531 return AVERROR(EINVAL);
2536 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2538 if (strcmp(arg, "list")) {
2539 frame_pix_fmt = av_get_pix_fmt(arg);
2540 if (frame_pix_fmt == PIX_FMT_NONE) {
2541 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2542 return AVERROR(EINVAL);
2551 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2558 p = strchr(arg, ':');
2560 x = strtol(arg, &end, 10);
2562 y = strtol(end+1, &end, 10);
2564 ar = (double)x / (double)y;
2566 ar = strtod(arg, NULL);
2569 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2570 return AVERROR(EINVAL);
2572 frame_aspect_ratio = ar;
2576 static int opt_qscale(const char *opt, const char *arg)
2578 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2579 if (video_qscale == 0) {
2580 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2581 return AVERROR(EINVAL);
2586 static int opt_top_field_first(const char *opt, const char *arg)
2588 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2592 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2594 return parse_option(o, "codec:a", arg, options);
2597 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2599 return parse_option(o, "codec:v", arg, options);
2602 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2604 return parse_option(o, "codec:s", arg, options);
2607 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2609 return parse_option(o, "codec:d", arg, options);
2612 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2614 StreamMap *m = NULL;
2615 int i, negative = 0, file_idx;
2616 int sync_file_idx = -1, sync_stream_idx;
2624 map = av_strdup(arg);
2626 /* parse sync stream first, just pick first matching stream */
2627 if (sync = strchr(map, ',')) {
2629 sync_file_idx = strtol(sync + 1, &sync, 0);
2630 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2631 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2636 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2637 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2638 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2639 sync_stream_idx = i;
2642 if (i == input_files[sync_file_idx].nb_streams) {
2643 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2644 "match any streams.\n", arg);
2650 file_idx = strtol(map, &p, 0);
2651 if (file_idx >= nb_input_files || file_idx < 0) {
2652 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2656 /* disable some already defined maps */
2657 for (i = 0; i < o->nb_stream_maps; i++) {
2658 m = &o->stream_maps[i];
2659 if (check_stream_specifier(input_files[m->file_index].ctx,
2660 input_files[m->file_index].ctx->streams[m->stream_index],
2661 *p == ':' ? p + 1 : p) > 0)
2665 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2666 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2667 *p == ':' ? p + 1 : p) <= 0)
2669 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2670 &o->nb_stream_maps, o->nb_stream_maps + 1);
2671 m = &o->stream_maps[o->nb_stream_maps - 1];
2673 m->file_index = file_idx;
2674 m->stream_index = i;
2676 if (sync_file_idx >= 0) {
2677 m->sync_file_index = sync_file_idx;
2678 m->sync_stream_index = sync_stream_idx;
2680 m->sync_file_index = file_idx;
2681 m->sync_stream_index = i;
2686 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2694 static void parse_meta_type(char *arg, char *type, int *index)
2704 if (*(++arg) == ':')
2705 *index = strtol(++arg, NULL, 0);
2708 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2715 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2717 MetadataMap *m, *m1;
2720 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2721 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2723 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2724 m->file = strtol(arg, &p, 0);
2725 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2727 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2728 if (p = strchr(opt, ':'))
2729 parse_meta_type(p + 1, &m1->type, &m1->index);
2733 if (m->type == 'g' || m1->type == 'g')
2734 o->metadata_global_manual = 1;
2735 if (m->type == 's' || m1->type == 's')
2736 o->metadata_streams_manual = 1;
2737 if (m->type == 'c' || m1->type == 'c')
2738 o->metadata_chapters_manual = 1;
2743 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2745 const char *codec_string = encoder ? "encoder" : "decoder";
2749 return CODEC_ID_NONE;
2751 avcodec_find_encoder_by_name(name) :
2752 avcodec_find_decoder_by_name(name);
2754 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2757 if(codec->type != type) {
2758 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2764 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2766 char *codec_name = NULL;
2768 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2772 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2773 return avcodec_find_encoder(st->codec->codec_id);
2775 } else if (!strcmp(codec_name, "copy"))
2776 st->stream_copy = 1;
2778 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2779 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2780 avcodec_find_decoder_by_name(codec_name);
2787 * Add all the streams from the given input file to the global
2788 * list of input streams.
2790 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2792 int i, rfps, rfps_base;
2794 for (i = 0; i < ic->nb_streams; i++) {
2795 AVStream *st = ic->streams[i];
2796 AVCodecContext *dec = st->codec;
2800 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2801 ist = &input_streams[nb_input_streams - 1];
2803 ist->file_index = nb_input_files;
2805 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2807 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2808 ist->ts_scale = scale;
2810 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2812 ist->dec = avcodec_find_decoder(dec->codec_id);
2814 switch (dec->codec_type) {
2815 case AVMEDIA_TYPE_AUDIO:
2816 if (o->audio_disable)
2817 st->discard= AVDISCARD_ALL;
2819 case AVMEDIA_TYPE_VIDEO:
2820 rfps = ic->streams[i]->r_frame_rate.num;
2821 rfps_base = ic->streams[i]->r_frame_rate.den;
2823 dec->flags |= CODEC_FLAG_EMU_EDGE;
2824 dec->height >>= dec->lowres;
2825 dec->width >>= dec->lowres;
2828 dec->debug |= FF_DEBUG_MV;
2830 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2833 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2834 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2836 (float)rfps / rfps_base, rfps, rfps_base);
2839 if (o->video_disable)
2840 st->discard= AVDISCARD_ALL;
2841 else if(video_discard)
2842 st->discard= video_discard;
2844 case AVMEDIA_TYPE_DATA:
2846 case AVMEDIA_TYPE_SUBTITLE:
2847 if (o->subtitle_disable)
2848 st->discard = AVDISCARD_ALL;
2850 case AVMEDIA_TYPE_ATTACHMENT:
2851 case AVMEDIA_TYPE_UNKNOWN:
2859 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2861 AVFormatContext *ic;
2862 AVInputFormat *file_iformat = NULL;
2866 AVDictionary **opts;
2867 int orig_nb_streams; // number of streams before avformat_find_stream_info
2870 if (!(file_iformat = av_find_input_format(o->format))) {
2871 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2876 if (!strcmp(filename, "-"))
2879 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2880 !strcmp(filename, "/dev/stdin");
2882 /* get default parameters from command line */
2883 ic = avformat_alloc_context();
2885 print_error(filename, AVERROR(ENOMEM));
2888 if (o->nb_audio_sample_rate) {
2889 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
2890 av_dict_set(&format_opts, "sample_rate", buf, 0);
2892 if (o->nb_audio_channels) {
2893 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
2894 av_dict_set(&format_opts, "channels", buf, 0);
2896 if (frame_rate.num) {
2897 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2898 av_dict_set(&format_opts, "framerate", buf, 0);
2900 if (frame_width && frame_height) {
2901 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2902 av_dict_set(&format_opts, "video_size", buf, 0);
2904 if (frame_pix_fmt != PIX_FMT_NONE)
2905 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2907 ic->flags |= AVFMT_FLAG_NONBLOCK;
2909 /* open the input file with generic libav function */
2910 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2912 print_error(filename, err);
2915 assert_avoptions(format_opts);
2917 /* apply forced codec ids */
2918 for (i = 0; i < ic->nb_streams; i++)
2919 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2921 /* Set AVCodecContext options for avformat_find_stream_info */
2922 opts = setup_find_stream_info_opts(ic, codec_opts);
2923 orig_nb_streams = ic->nb_streams;
2925 /* If not enough info to get the stream parameters, we decode the
2926 first frames to get it. (used in mpeg case for example) */
2927 ret = avformat_find_stream_info(ic, opts);
2928 if (ret < 0 && verbose >= 0) {
2929 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2930 av_close_input_file(ic);
2934 timestamp = o->start_time;
2935 /* add the stream start time */
2936 if (ic->start_time != AV_NOPTS_VALUE)
2937 timestamp += ic->start_time;
2939 /* if seeking requested, we execute it */
2940 if (o->start_time != 0) {
2941 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2943 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2944 filename, (double)timestamp / AV_TIME_BASE);
2948 /* update the current parameters so that they match the one of the input stream */
2949 add_input_streams(o, ic);
2951 /* dump the file content */
2953 av_dump_format(ic, nb_input_files, filename, 0);
2955 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2956 input_files[nb_input_files - 1].ctx = ic;
2957 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
2958 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
2959 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
2961 frame_rate = (AVRational){0, 0};
2962 frame_pix_fmt = PIX_FMT_NONE;
2966 for (i = 0; i < orig_nb_streams; i++)
2967 av_dict_free(&opts[i]);
2974 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2975 AVCodecContext *avctx)
2981 for (p = kf; *p; p++)
2984 ost->forced_kf_count = n;
2985 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2986 if (!ost->forced_kf_pts) {
2987 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2990 for (i = 0; i < n; i++) {
2991 p = i ? strchr(p, ',') + 1 : kf;
2992 t = parse_time_or_die("force_key_frames", p, 1);
2993 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2997 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3000 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3001 int idx = oc->nb_streams - 1;
3002 int64_t max_frames = INT64_MAX;
3003 char *bsf = NULL, *next, *codec_tag = NULL;
3004 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3007 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3011 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3012 nb_output_streams + 1);
3013 ost = &output_streams[nb_output_streams - 1];
3014 ost->file_index = nb_output_files;
3017 st->codec->codec_type = type;
3018 ost->enc = choose_codec(o, oc, st, type);
3020 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3023 avcodec_get_context_defaults3(st->codec, ost->enc);
3024 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3026 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3027 ost->max_frames = max_frames;
3029 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3031 if (next = strchr(bsf, ','))
3033 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3034 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
3038 bsfc_prev->next = bsfc;
3040 ost->bitstream_filters = bsfc;
3046 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3048 uint32_t tag = strtol(codec_tag, &next, 0);
3050 tag = AV_RL32(codec_tag);
3051 st->codec->codec_tag = tag;
3054 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3058 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3062 AVCodecContext *video_enc;
3064 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3066 if (!st->stream_copy) {
3067 ost->frame_aspect_ratio = frame_aspect_ratio;
3068 frame_aspect_ratio = 0;
3070 ost->avfilter= vfilters;
3075 video_enc = st->codec;
3077 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3078 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3081 if (st->stream_copy) {
3082 video_enc->sample_aspect_ratio =
3083 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3089 ost->frame_rate = frame_rate;
3091 video_enc->width = frame_width;
3092 video_enc->height = frame_height;
3093 video_enc->pix_fmt = frame_pix_fmt;
3094 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3096 if (video_qscale || same_quant) {
3097 video_enc->flags |= CODEC_FLAG_QSCALE;
3098 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3102 video_enc->intra_matrix = intra_matrix;
3104 video_enc->inter_matrix = inter_matrix;
3106 p= video_rc_override_string;
3109 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3111 fprintf(stderr, "error parsing rc_override\n");
3114 video_enc->rc_override=
3115 av_realloc(video_enc->rc_override,
3116 sizeof(RcOverride)*(i+1));
3117 video_enc->rc_override[i].start_frame= start;
3118 video_enc->rc_override[i].end_frame = end;
3120 video_enc->rc_override[i].qscale= q;
3121 video_enc->rc_override[i].quality_factor= 1.0;
3124 video_enc->rc_override[i].qscale= 0;
3125 video_enc->rc_override[i].quality_factor= -q/100.0;
3130 video_enc->rc_override_count=i;
3131 if (!video_enc->rc_initial_buffer_occupancy)
3132 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3133 video_enc->me_threshold= me_threshold;
3134 video_enc->intra_dc_precision= intra_dc_precision - 8;
3137 video_enc->flags|= CODEC_FLAG_PSNR;
3142 video_enc->flags |= CODEC_FLAG_PASS1;
3144 video_enc->flags |= CODEC_FLAG_PASS2;
3148 if (forced_key_frames)
3149 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3152 /* reset some key parameters */
3153 av_freep(&forced_key_frames);
3154 frame_pix_fmt = PIX_FMT_NONE;
3158 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3162 AVCodecContext *audio_enc;
3164 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3167 audio_enc = st->codec;
3168 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3170 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3171 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3173 if (!st->stream_copy) {
3174 char *sample_fmt = NULL;
3176 if (audio_qscale > QSCALE_NONE) {
3177 audio_enc->flags |= CODEC_FLAG_QSCALE;
3178 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3180 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3182 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3184 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3185 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", sample_fmt);
3189 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3195 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3199 AVCodecContext *data_enc;
3201 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3203 data_enc = st->codec;
3204 if (!st->stream_copy) {
3205 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3209 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3210 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3216 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3220 AVCodecContext *subtitle_enc;
3222 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3224 subtitle_enc = st->codec;
3226 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3228 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3229 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3235 /* arg format is "output-stream-index:streamid-value". */
3236 static int opt_streamid(const char *opt, const char *arg)
3242 av_strlcpy(idx_str, arg, sizeof(idx_str));
3243 p = strchr(idx_str, ':');
3246 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3251 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3252 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3253 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3257 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3259 AVFormatContext *is = ifile->ctx;
3260 AVFormatContext *os = ofile->ctx;
3263 for (i = 0; i < is->nb_chapters; i++) {
3264 AVChapter *in_ch = is->chapters[i], *out_ch;
3265 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3266 AV_TIME_BASE_Q, in_ch->time_base);
3267 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3268 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3271 if (in_ch->end < ts_off)
3273 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3276 out_ch = av_mallocz(sizeof(AVChapter));
3278 return AVERROR(ENOMEM);
3280 out_ch->id = in_ch->id;
3281 out_ch->time_base = in_ch->time_base;
3282 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3283 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3286 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3289 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3291 return AVERROR(ENOMEM);
3292 os->chapters[os->nb_chapters - 1] = out_ch;
3297 static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3300 AVFormatContext *ic = NULL;
3302 err = avformat_open_input(&ic, filename, NULL, NULL);
3305 /* copy stream format */
3306 for(i=0;i<ic->nb_streams;i++) {
3311 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3312 ost = new_output_stream(o, s, codec->type);
3315 // FIXME: a more elegant solution is needed
3316 memcpy(st, ic->streams[i], sizeof(AVStream));
3318 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3320 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3321 choose_sample_fmt(st, codec);
3322 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3323 choose_pixel_fmt(st, codec);
3326 av_close_input_file(ic);
3330 static void opt_output_file(void *optctx, const char *filename)
3332 OptionsContext *o = optctx;
3333 AVFormatContext *oc;
3335 AVOutputFormat *file_oformat;
3339 if (!strcmp(filename, "-"))
3342 oc = avformat_alloc_context();
3344 print_error(filename, AVERROR(ENOMEM));
3349 file_oformat = av_guess_format(o->format, NULL, NULL);
3350 if (!file_oformat) {
3351 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
3355 file_oformat = av_guess_format(NULL, filename, NULL);
3356 if (!file_oformat) {
3357 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3363 oc->oformat = file_oformat;
3364 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3366 if (!strcmp(file_oformat->name, "ffm") &&
3367 av_strstart(filename, "http:", NULL)) {
3368 /* special case for files sent to avserver: we get the stream
3369 parameters from avserver */
3370 int err = read_avserver_streams(o, oc, filename);
3372 print_error(filename, err);
3375 } else if (!o->nb_stream_maps) {
3376 /* pick the "best" stream of each type */
3377 #define NEW_STREAM(type, index)\
3379 ost = new_ ## type ## _stream(o, oc);\
3380 ost->source_index = index;\
3381 ost->sync_ist = &input_streams[index];\
3382 input_streams[index].discard = 0;\
3385 /* video: highest resolution */
3386 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3387 int area = 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_VIDEO &&
3391 ist->st->codec->width * ist->st->codec->height > area) {
3392 area = ist->st->codec->width * ist->st->codec->height;
3396 NEW_STREAM(video, idx);
3399 /* audio: most channels */
3400 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3401 int channels = 0, idx = -1;
3402 for (i = 0; i < nb_input_streams; i++) {
3403 ist = &input_streams[i];
3404 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3405 ist->st->codec->channels > channels) {
3406 channels = ist->st->codec->channels;
3410 NEW_STREAM(audio, idx);
3413 /* subtitles: pick first */
3414 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3415 for (i = 0; i < nb_input_streams; i++)
3416 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3417 NEW_STREAM(subtitle, i);
3421 /* do something with data? */
3423 for (i = 0; i < o->nb_stream_maps; i++) {
3424 StreamMap *map = &o->stream_maps[i];
3429 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3430 switch (ist->st->codec->codec_type) {
3431 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3432 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3433 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3434 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3436 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3437 map->file_index, map->stream_index);
3441 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3442 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3443 map->sync_stream_index];
3448 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3449 output_files[nb_output_files - 1].ctx = oc;
3450 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3451 output_files[nb_output_files - 1].recording_time = o->recording_time;
3452 output_files[nb_output_files - 1].start_time = o->start_time;
3453 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3454 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3456 /* check filename in case of an image number is expected */
3457 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3458 if (!av_filename_number_test(oc->filename)) {
3459 print_error(oc->filename, AVERROR(EINVAL));
3464 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3465 /* test if it already exists to avoid loosing precious files */
3466 if (!file_overwrite &&
3467 (strchr(filename, ':') == NULL ||
3468 filename[1] == ':' ||
3469 av_strstart(filename, "file:", NULL))) {
3470 if (avio_check(filename, 0) == 0) {
3472 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3474 if (!read_yesno()) {
3475 fprintf(stderr, "Not overwriting - exiting\n");
3480 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3487 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3488 print_error(filename, err);
3493 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3494 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3495 oc->flags |= AVFMT_FLAG_NONBLOCK;
3498 if (o->chapters_input_file >= nb_input_files) {
3499 if (o->chapters_input_file == INT_MAX) {
3500 /* copy chapters from the first input file that has them*/
3501 o->chapters_input_file = -1;
3502 for (i = 0; i < nb_input_files; i++)
3503 if (input_files[i].ctx->nb_chapters) {
3504 o->chapters_input_file = i;
3508 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3509 o->chapters_input_file);
3513 if (o->chapters_input_file >= 0)
3514 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3515 o->metadata_chapters_manual);
3518 for (i = 0; i < o->nb_meta_data_maps; i++) {
3519 AVFormatContext *files[2];
3520 AVDictionary **meta[2];
3523 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3524 if ((index) < 0 || (index) >= (nb_elems)) {\
3525 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3530 int in_file_index = o->meta_data_maps[i][1].file;
3531 if (in_file_index < 0)
3533 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3536 files[1] = input_files[in_file_index].ctx;
3538 for (j = 0; j < 2; j++) {
3539 MetadataMap *map = &o->meta_data_maps[i][j];
3541 switch (map->type) {
3543 meta[j] = &files[j]->metadata;
3546 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3547 meta[j] = &files[j]->streams[map->index]->metadata;
3550 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3551 meta[j] = &files[j]->chapters[map->index]->metadata;
3554 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3555 meta[j] = &files[j]->programs[map->index]->metadata;
3560 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3563 /* copy global metadata by default */
3564 if (!o->metadata_global_manual && nb_input_files)
3565 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3566 AV_DICT_DONT_OVERWRITE);
3567 if (!o->metadata_streams_manual)
3568 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3569 InputStream *ist = &input_streams[output_streams[i].source_index];
3570 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3573 /* process manually set metadata */
3574 for (i = 0; i < o->nb_metadata; i++) {
3579 val = strchr(o->metadata[i].u.str, '=');
3581 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3582 o->metadata[i].u.str);
3587 parse_meta_type(o->metadata[i].specifier, &type, &index);
3593 if (index < 0 || index >= oc->nb_streams) {
3594 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3597 m = &oc->streams[i]->metadata;
3600 if (index < 0 || index >= oc->nb_chapters) {
3601 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3604 m = &oc->chapters[i]->metadata;
3607 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3611 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3614 frame_rate = (AVRational){0, 0};
3618 av_freep(&streamid_map);
3619 nb_streamid_map = 0;
3621 av_freep(&forced_key_frames);
3625 /* same option as mencoder */
3626 static int opt_pass(const char *opt, const char *arg)
3628 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3632 static int64_t getutime(void)
3635 struct rusage rusage;
3637 getrusage(RUSAGE_SELF, &rusage);
3638 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3639 #elif HAVE_GETPROCESSTIMES
3641 FILETIME c, e, k, u;
3642 proc = GetCurrentProcess();
3643 GetProcessTimes(proc, &c, &e, &k, &u);
3644 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3646 return av_gettime();
3650 static int64_t getmaxrss(void)
3652 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3653 struct rusage rusage;
3654 getrusage(RUSAGE_SELF, &rusage);
3655 return (int64_t)rusage.ru_maxrss * 1024;
3656 #elif HAVE_GETPROCESSMEMORYINFO
3658 PROCESS_MEMORY_COUNTERS memcounters;
3659 proc = GetCurrentProcess();
3660 memcounters.cb = sizeof(memcounters);
3661 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3662 return memcounters.PeakPagefileUsage;
3668 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3671 const char *p = str;
3678 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3685 static void opt_inter_matrix(const char *arg)
3687 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3688 parse_matrix_coeffs(inter_matrix, arg);
3691 static void opt_intra_matrix(const char *arg)
3693 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3694 parse_matrix_coeffs(intra_matrix, arg);
3697 static void show_usage(void)
3699 printf("Hyper fast Audio and Video encoder\n");
3700 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3704 static void show_help(void)
3707 AVOutputFormat *oformat = NULL;
3708 AVInputFormat *iformat = NULL;
3709 const AVClass *class;
3711 av_log_set_callback(log_callback_help);
3713 show_help_options(options, "Main options:\n",
3714 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3715 show_help_options(options, "\nAdvanced options:\n",
3716 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3718 show_help_options(options, "\nVideo options:\n",
3719 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3721 show_help_options(options, "\nAdvanced Video options:\n",
3722 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3723 OPT_VIDEO | OPT_EXPERT);
3724 show_help_options(options, "\nAudio options:\n",
3725 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3727 show_help_options(options, "\nAdvanced Audio options:\n",
3728 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3729 OPT_AUDIO | OPT_EXPERT);
3730 show_help_options(options, "\nSubtitle options:\n",
3731 OPT_SUBTITLE | OPT_GRAB,
3733 show_help_options(options, "\nAudio/Video grab options:\n",
3737 class = avcodec_get_class();
3738 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3741 /* individual codec options */
3743 while ((c = av_codec_next(c))) {
3744 if (c->priv_class) {
3745 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3750 class = avformat_get_class();
3751 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3754 /* individual muxer options */
3755 while ((oformat = av_oformat_next(oformat))) {
3756 if (oformat->priv_class) {
3757 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3762 /* individual demuxer options */
3763 while ((iformat = av_iformat_next(iformat))) {
3764 if (iformat->priv_class) {
3765 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3770 class = sws_get_class();
3771 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3774 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
3776 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3777 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3779 if(!strncmp(arg, "pal-", 4)) {
3782 } else if(!strncmp(arg, "ntsc-", 5)) {
3785 } else if(!strncmp(arg, "film-", 5)) {
3790 /* Calculate FR via float to avoid int overflow */
3791 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3794 } else if((fr == 29970) || (fr == 23976)) {
3797 /* Try to determine PAL/NTSC by peeking in the input files */
3798 if(nb_input_files) {
3800 for (j = 0; j < nb_input_files; j++) {
3801 for (i = 0; i < input_files[j].nb_streams; i++) {
3802 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3803 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3805 fr = c->time_base.den * 1000 / c->time_base.num;
3809 } else if((fr == 29970) || (fr == 23976)) {
3819 if(verbose > 0 && norm != UNKNOWN)
3820 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3823 if(norm == UNKNOWN) {
3824 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3825 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3826 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3830 if(!strcmp(arg, "vcd")) {
3831 opt_video_codec(o, "c:v", "mpeg1video");
3832 opt_audio_codec(o, "c:a", "mp2");
3833 parse_option(o, "f", "vcd", options);
3835 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3836 opt_frame_rate("r", frame_rates[norm]);
3837 opt_default("g", norm == PAL ? "15" : "18");
3839 opt_default("b", "1150000");
3840 opt_default("maxrate", "1150000");
3841 opt_default("minrate", "1150000");
3842 opt_default("bufsize", "327680"); // 40*1024*8;
3844 opt_default("b:a", "224000");
3845 parse_option(o, "ar", "44100", options);
3846 parse_option(o, "ac", "2", options);
3848 opt_default("packetsize", "2324");
3849 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3851 /* We have to offset the PTS, so that it is consistent with the SCR.
3852 SCR starts at 36000, but the first two packs contain only padding
3853 and the first pack from the other stream, respectively, may also have
3854 been written before.
3855 So the real data starts at SCR 36000+3*1200. */
3856 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
3857 } else if(!strcmp(arg, "svcd")) {
3859 opt_video_codec(o, "c:v", "mpeg2video");
3860 opt_audio_codec(o, "c:a", "mp2");
3861 parse_option(o, "f", "svcd", options);
3863 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3864 opt_frame_rate("r", frame_rates[norm]);
3865 opt_default("g", norm == PAL ? "15" : "18");
3867 opt_default("b", "2040000");
3868 opt_default("maxrate", "2516000");
3869 opt_default("minrate", "0"); //1145000;
3870 opt_default("bufsize", "1835008"); //224*1024*8;
3871 opt_default("flags", "+scan_offset");
3874 opt_default("b:a", "224000");
3875 parse_option(o, "ar", "44100", options);
3877 opt_default("packetsize", "2324");
3879 } else if(!strcmp(arg, "dvd")) {
3881 opt_video_codec(o, "c:v", "mpeg2video");
3882 opt_audio_codec(o, "c:a", "ac3");
3883 parse_option(o, "f", "dvd", options);
3885 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3886 opt_frame_rate("r", frame_rates[norm]);
3887 opt_default("g", norm == PAL ? "15" : "18");
3889 opt_default("b", "6000000");
3890 opt_default("maxrate", "9000000");
3891 opt_default("minrate", "0"); //1500000;
3892 opt_default("bufsize", "1835008"); //224*1024*8;
3894 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3895 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3897 opt_default("b:a", "448000");
3898 parse_option(o, "ar", "48000", options);
3900 } else if(!strncmp(arg, "dv", 2)) {
3902 parse_option(o, "f", "dv", options);
3904 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
3905 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3906 norm == PAL ? "yuv420p" : "yuv411p");
3907 opt_frame_rate("r", frame_rates[norm]);
3909 parse_option(o, "ar", "48000", options);
3910 parse_option(o, "ac", "2", options);
3913 fprintf(stderr, "Unknown target: %s\n", arg);
3914 return AVERROR(EINVAL);
3919 static int opt_vstats_file(const char *opt, const char *arg)
3921 av_free (vstats_filename);
3922 vstats_filename=av_strdup (arg);
3926 static int opt_vstats(const char *opt, const char *arg)
3929 time_t today2 = time(NULL);
3930 struct tm *today = localtime(&today2);
3932 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3934 return opt_vstats_file(opt, filename);
3937 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
3939 return parse_option(o, "frames:v", arg, options);
3942 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
3944 return parse_option(o, "frames:a", arg, options);
3947 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
3949 return parse_option(o, "frames:d", arg, options);
3952 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
3954 return parse_option(o, "tag:v", arg, options);
3957 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
3959 return parse_option(o, "tag:a", arg, options);
3962 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
3964 return parse_option(o, "tag:s", arg, options);
3967 #define OFFSET(x) offsetof(OptionsContext, x)
3968 static const OptionDef options[] = {
3970 #include "cmdutils_common_opts.h"
3971 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
3972 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
3973 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3974 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
3975 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
3976 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
3977 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
3978 "outfile[,metadata]:infile[,metadata]" },
3979 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
3980 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3981 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
3982 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
3983 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
3984 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
3985 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
3986 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
3987 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3988 "add timings for benchmarking" },
3989 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
3990 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3991 "dump each input packet" },
3992 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3993 "when dumping packets, also dump the payload" },
3994 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
3995 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
3996 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3997 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3998 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3999 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4000 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4001 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4002 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4003 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4004 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4005 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4006 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4007 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4010 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4011 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4012 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4013 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4014 { "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" },
4015 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4016 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4017 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4018 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4019 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4020 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4021 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4022 "use same quantizer as source (implies VBR)" },
4023 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4024 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4025 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4026 "deinterlace pictures" },
4027 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4028 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4029 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4031 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4033 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4034 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4035 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4036 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4037 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4038 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4039 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4040 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4041 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4044 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4045 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4046 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4047 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4048 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4049 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4050 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4051 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4052 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4054 /* subtitle options */
4055 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4056 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4057 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4060 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4063 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4064 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4066 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4068 /* data codec support */
4069 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4071 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4075 int main(int argc, char **argv)
4077 OptionsContext o = { 0 };
4082 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4084 avcodec_register_all();
4086 avdevice_register_all();
4089 avfilter_register_all();
4093 avio_set_interrupt_cb(decode_interrupt_cb);
4098 parse_options(&o, argc, argv, options, opt_output_file);
4100 if(nb_output_files <= 0 && nb_input_files == 0) {
4102 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4106 /* file converter / grab */
4107 if (nb_output_files <= 0) {
4108 fprintf(stderr, "At least one output file must be specified\n");
4112 if (nb_input_files == 0) {
4113 fprintf(stderr, "At least one input file must be specified\n");
4118 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4120 ti = getutime() - ti;
4122 int maxrss = getmaxrss() / 1024;
4123 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);