3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsink_buffer.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "avconv";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
113 static const char *last_asked_format = NULL;
114 static AVDictionary *ts_scale;
116 static StreamMap *stream_maps = NULL;
117 static int nb_stream_maps;
119 static AVDictionary *codec_names;
121 /* first item specifies output metadata, second is input */
122 static MetadataMap (*meta_data_maps)[2] = NULL;
123 static int nb_meta_data_maps;
124 static int metadata_global_autocopy = 1;
125 static int metadata_streams_autocopy = 1;
126 static int metadata_chapters_autocopy = 1;
128 static int chapters_input_file = INT_MAX;
130 /* indexed by output file stream index */
131 static int *streamid_map = NULL;
132 static int nb_streamid_map = 0;
134 static int frame_width = 0;
135 static int frame_height = 0;
136 static float frame_aspect_ratio = 0;
137 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
138 static int frame_bits_per_raw_sample = 0;
139 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
140 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
141 static AVRational frame_rate;
142 static float video_qscale = 0;
143 static uint16_t *intra_matrix = NULL;
144 static uint16_t *inter_matrix = NULL;
145 static const char *video_rc_override_string=NULL;
146 static int video_disable = 0;
147 static int video_discard = 0;
148 static unsigned int video_codec_tag = 0;
149 static char *video_language = NULL;
150 static int same_quant = 0;
151 static int do_deinterlace = 0;
152 static int top_field_first = -1;
153 static int me_threshold = 0;
154 static int intra_dc_precision = 8;
155 static int qp_hist = 0;
157 static char *vfilters = NULL;
160 static int audio_sample_rate = 0;
161 #define QSCALE_NONE -99999
162 static float audio_qscale = QSCALE_NONE;
163 static int audio_disable = 0;
164 static int audio_channels = 0;
165 static unsigned int audio_codec_tag = 0;
166 static char *audio_language = NULL;
168 static int subtitle_disable = 0;
169 static char *subtitle_language = NULL;
170 static unsigned int subtitle_codec_tag = 0;
172 static int data_disable = 0;
173 static unsigned int data_codec_tag = 0;
175 static float mux_preload= 0.5;
176 static float mux_max_delay= 0.7;
178 static int64_t recording_time = INT64_MAX;
179 static int64_t start_time = 0;
180 static int64_t input_ts_offset = 0;
181 static int file_overwrite = 0;
182 static AVDictionary *metadata;
183 static int do_benchmark = 0;
184 static int do_hex_dump = 0;
185 static int do_pkt_dump = 0;
186 static int do_psnr = 0;
187 static int do_pass = 0;
188 static const char *pass_logfilename_prefix;
189 static int video_sync_method= -1;
190 static int audio_sync_method= 0;
191 static float audio_drift_threshold= 0.1;
192 static int copy_ts= 0;
193 static int copy_tb= 0;
194 static int opt_shortest = 0;
195 static char *vstats_filename;
196 static FILE *vstats_file;
197 static int opt_programid = 0;
198 static int copy_initial_nonkeyframes = 0;
200 static int rate_emu = 0;
202 static int audio_volume = 256;
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int verbose = 1;
207 static int run_as_daemon = 0;
208 static int thread_count= 1;
209 static int q_pressed = 0;
210 static int64_t video_size = 0;
211 static int64_t audio_size = 0;
212 static int64_t extra_size = 0;
213 static int nb_frames_dup = 0;
214 static int nb_frames_drop = 0;
215 static int input_sync;
216 static uint64_t limit_filesize = UINT64_MAX;
217 static int force_fps = 0;
218 static char *forced_key_frames = NULL;
220 static float dts_delta_threshold = 10;
222 static uint8_t *audio_buf;
223 static uint8_t *audio_out;
224 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
226 static short *samples;
228 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
232 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
234 typedef struct InputStream {
237 int discard; /* true if stream data should be discarded */
238 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
241 int64_t start; /* time when read started */
242 int64_t next_pts; /* synthetic pts for cases where pkt.pts
244 int64_t pts; /* current pts */
246 int is_start; /* is 1 at the start and after a discontinuity */
247 int showed_multi_packet_warning;
251 typedef struct InputFile {
252 AVFormatContext *ctx;
253 int eof_reached; /* true if eof reached */
254 int ist_index; /* index of first stream in ist_table */
255 int buffer_size; /* current total buffer size */
257 int nb_streams; /* number of stream that avconv is aware of; may be different
258 from ctx.nb_streams if new streams appear during av_read_frame() */
261 typedef struct OutputStream {
262 int file_index; /* file index */
263 int index; /* stream index in the output file */
264 int source_index; /* InputStream index */
265 AVStream *st; /* stream in the output file */
266 int encoding_needed; /* true if encoding needed for this stream */
268 /* input pts and corresponding output pts
270 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
271 struct InputStream *sync_ist; /* input stream to sync against */
272 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
273 AVBitStreamFilterContext *bitstream_filters;
278 AVFrame resample_frame; /* temporary frame for image resampling */
279 struct SwsContext *img_resample_ctx; /* for image resampling */
282 int resample_pix_fmt;
283 AVRational frame_rate;
285 float frame_aspect_ratio;
287 /* forced key frames */
288 int64_t *forced_kf_pts;
294 ReSampleContext *resample; /* for audio resampling */
295 int resample_sample_fmt;
296 int resample_channels;
297 int resample_sample_rate;
299 AVAudioConvert *reformat_ctx;
300 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
304 AVFilterContext *output_video_filter;
305 AVFilterContext *input_video_filter;
306 AVFilterBufferRef *picref;
308 AVFilterGraph *graph;
313 int is_past_recording_time;
318 /* init terminal so that we can grab keys */
319 static struct termios oldtty;
322 typedef struct OutputFile {
323 AVFormatContext *ctx;
325 int ost_index; /* index of the first stream in output_streams */
326 int64_t recording_time; /* desired length of the resulting file in microseconds */
327 int64_t start_time; /* start time in microseconds */
328 uint64_t limit_filesize;
331 static InputStream *input_streams = NULL;
332 static int nb_input_streams = 0;
333 static InputFile *input_files = NULL;
334 static int nb_input_files = 0;
336 static OutputStream *output_streams = NULL;
337 static int nb_output_streams = 0;
338 static OutputFile *output_files = NULL;
339 static int nb_output_files = 0;
343 static int configure_video_filters(InputStream *ist, OutputStream *ost)
345 AVFilterContext *last_filter, *filter;
346 /** filter graph containing all filters including input & output */
347 AVCodecContext *codec = ost->st->codec;
348 AVCodecContext *icodec = ist->st->codec;
349 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
350 AVRational sample_aspect_ratio;
354 ost->graph = avfilter_graph_alloc();
356 if (ist->st->sample_aspect_ratio.num){
357 sample_aspect_ratio = ist->st->sample_aspect_ratio;
359 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
361 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
362 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
363 sample_aspect_ratio.num, sample_aspect_ratio.den);
365 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
366 "src", args, NULL, ost->graph);
369 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
370 "out", NULL, pix_fmts, ost->graph);
373 last_filter = ost->input_video_filter;
375 if (codec->width != icodec->width || codec->height != icodec->height) {
376 snprintf(args, 255, "%d:%d:flags=0x%X",
380 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
381 NULL, args, NULL, ost->graph)) < 0)
383 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
385 last_filter = filter;
388 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
389 ost->graph->scale_sws_opts = av_strdup(args);
392 AVFilterInOut *outputs = avfilter_inout_alloc();
393 AVFilterInOut *inputs = avfilter_inout_alloc();
395 outputs->name = av_strdup("in");
396 outputs->filter_ctx = last_filter;
397 outputs->pad_idx = 0;
398 outputs->next = NULL;
400 inputs->name = av_strdup("out");
401 inputs->filter_ctx = ost->output_video_filter;
405 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
407 av_freep(&ost->avfilter);
409 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
413 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
416 codec->width = ost->output_video_filter->inputs[0]->w;
417 codec->height = ost->output_video_filter->inputs[0]->h;
418 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
419 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
420 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
421 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
425 #endif /* CONFIG_AVFILTER */
427 static void term_exit(void)
429 av_log(NULL, AV_LOG_QUIET, "%s", "");
432 tcsetattr (0, TCSANOW, &oldtty);
436 static volatile int received_sigterm = 0;
439 sigterm_handler(int sig)
441 received_sigterm = sig;
446 static void term_init(void)
456 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
457 |INLCR|IGNCR|ICRNL|IXON);
458 tty.c_oflag |= OPOST;
459 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
460 tty.c_cflag &= ~(CSIZE|PARENB);
465 tcsetattr (0, TCSANOW, &tty);
466 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
470 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
471 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
473 signal(SIGXCPU, sigterm_handler);
477 /* read a key without blocking */
478 static int read_key(void)
493 n = select(1, &rfds, NULL, NULL, &tv);
508 static int decode_interrupt_cb(void)
510 q_pressed += read_key() == 'q';
511 return q_pressed > 1;
514 static int exit_program(int ret)
519 for(i=0;i<nb_output_files;i++) {
520 AVFormatContext *s = output_files[i].ctx;
521 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
523 avformat_free_context(s);
524 av_dict_free(&output_files[i].opts);
526 for(i=0;i<nb_input_files;i++) {
527 av_close_input_file(input_files[i].ctx);
529 for (i = 0; i < nb_input_streams; i++)
530 av_dict_free(&input_streams[i].opts);
532 av_free(intra_matrix);
533 av_free(inter_matrix);
537 av_free(vstats_filename);
539 av_free(meta_data_maps);
541 av_freep(&input_streams);
542 av_freep(&input_files);
543 av_freep(&output_streams);
544 av_freep(&output_files);
549 allocated_audio_buf_size= allocated_audio_out_size= 0;
556 if (received_sigterm) {
558 "Received signal %d: terminating.\n",
559 (int) received_sigterm);
563 exit(ret); /* not all OS-es handle main() return value */
567 static void assert_avoptions(AVDictionary *m)
569 AVDictionaryEntry *t;
570 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
571 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
576 static void assert_codec_experimental(AVCodecContext *c, int encoder)
578 const char *codec_string = encoder ? "encoder" : "decoder";
580 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
581 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
582 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
583 "results.\nAdd '-strict experimental' if you want to use it.\n",
584 codec_string, c->codec->name);
585 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
586 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
587 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
588 codec_string, codec->name);
593 /* similar to ff_dynarray_add() and av_fast_realloc() */
594 static void *grow_array(void *array, int elem_size, int *size, int new_size)
596 if (new_size >= INT_MAX / elem_size) {
597 fprintf(stderr, "Array too big.\n");
600 if (*size < new_size) {
601 uint8_t *tmp = av_realloc(array, new_size*elem_size);
603 fprintf(stderr, "Could not alloc buffer.\n");
606 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
613 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
615 if(codec && codec->sample_fmts){
616 const enum AVSampleFormat *p= codec->sample_fmts;
618 if(*p == st->codec->sample_fmt)
622 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
623 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
624 if(av_get_sample_fmt_name(st->codec->sample_fmt))
625 av_log(NULL, AV_LOG_WARNING,
626 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
627 av_get_sample_fmt_name(st->codec->sample_fmt),
629 av_get_sample_fmt_name(codec->sample_fmts[0]));
630 st->codec->sample_fmt = codec->sample_fmts[0];
635 static void choose_sample_rate(AVStream *st, AVCodec *codec)
637 if(codec && codec->supported_samplerates){
638 const int *p= codec->supported_samplerates;
640 int best_dist=INT_MAX;
642 int dist= abs(st->codec->sample_rate - *p);
643 if(dist < best_dist){
649 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
651 st->codec->sample_rate= best;
655 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
657 if(codec && codec->pix_fmts){
658 const enum PixelFormat *p= codec->pix_fmts;
659 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
660 if(st->codec->codec_id==CODEC_ID_MJPEG){
661 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
662 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
663 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};
667 if(*p == st->codec->pix_fmt)
671 if(st->codec->pix_fmt != PIX_FMT_NONE)
672 av_log(NULL, AV_LOG_WARNING,
673 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
674 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
676 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
677 st->codec->pix_fmt = codec->pix_fmts[0];
683 get_sync_ipts(const OutputStream *ost)
685 const InputStream *ist = ost->sync_ist;
686 OutputFile *of = &output_files[ost->file_index];
687 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
690 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
694 AVPacket new_pkt= *pkt;
695 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
696 &new_pkt.data, &new_pkt.size,
697 pkt->data, pkt->size,
698 pkt->flags & AV_PKT_FLAG_KEY);
701 new_pkt.destruct= av_destruct_packet;
703 fprintf(stderr, "%s failed for stream %d, codec %s",
704 bsfc->filter->name, pkt->stream_index,
705 avctx->codec ? avctx->codec->name : "copy");
715 ret= av_interleaved_write_frame(s, pkt);
717 print_error("av_interleaved_write_frame()", ret);
722 static void do_audio_out(AVFormatContext *s,
725 unsigned char *buf, int size)
728 int64_t audio_out_size, audio_buf_size;
729 int64_t allocated_for_size= size;
731 int size_out, frame_bytes, ret, resample_changed;
732 AVCodecContext *enc= ost->st->codec;
733 AVCodecContext *dec= ist->st->codec;
734 int osize = av_get_bytes_per_sample(enc->sample_fmt);
735 int isize = av_get_bytes_per_sample(dec->sample_fmt);
736 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
739 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
740 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
741 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
742 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
743 audio_buf_size*= osize*enc->channels;
745 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
746 if(coded_bps > 8*osize)
747 audio_out_size= audio_out_size * coded_bps / (8*osize);
748 audio_out_size += FF_MIN_BUFFER_SIZE;
750 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
751 fprintf(stderr, "Buffer sizes too large\n");
755 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
756 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
757 if (!audio_buf || !audio_out){
758 fprintf(stderr, "Out of memory in do_audio_out\n");
762 if (enc->channels != dec->channels)
763 ost->audio_resample = 1;
765 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
766 ost->resample_channels != dec->channels ||
767 ost->resample_sample_rate != dec->sample_rate;
769 if ((ost->audio_resample && !ost->resample) || resample_changed) {
770 if (resample_changed) {
771 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",
772 ist->file_index, ist->st->index,
773 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
774 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
775 ost->resample_sample_fmt = dec->sample_fmt;
776 ost->resample_channels = dec->channels;
777 ost->resample_sample_rate = dec->sample_rate;
779 audio_resample_close(ost->resample);
781 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
782 if (audio_sync_method <= 1 &&
783 ost->resample_sample_fmt == enc->sample_fmt &&
784 ost->resample_channels == enc->channels &&
785 ost->resample_sample_rate == enc->sample_rate) {
786 ost->resample = NULL;
787 ost->audio_resample = 0;
789 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
790 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
791 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
792 enc->sample_rate, dec->sample_rate,
793 enc->sample_fmt, dec->sample_fmt,
795 if (!ost->resample) {
796 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
797 dec->channels, dec->sample_rate,
798 enc->channels, enc->sample_rate);
804 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
805 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
806 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
807 if (ost->reformat_ctx)
808 av_audio_convert_free(ost->reformat_ctx);
809 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
810 dec->sample_fmt, 1, NULL, 0);
811 if (!ost->reformat_ctx) {
812 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
813 av_get_sample_fmt_name(dec->sample_fmt),
814 av_get_sample_fmt_name(enc->sample_fmt));
817 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
820 if(audio_sync_method){
821 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
822 - av_fifo_size(ost->fifo)/(enc->channels * 2);
823 double idelta= delta*dec->sample_rate / enc->sample_rate;
824 int byte_delta= ((int)idelta)*2*dec->channels;
826 //FIXME resample delay
827 if(fabs(delta) > 50){
828 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
830 byte_delta= FFMAX(byte_delta, -size);
834 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
839 static uint8_t *input_tmp= NULL;
840 input_tmp= av_realloc(input_tmp, byte_delta + size);
842 if(byte_delta > allocated_for_size - size){
843 allocated_for_size= byte_delta + (int64_t)size;
848 memset(input_tmp, 0, byte_delta);
849 memcpy(input_tmp + byte_delta, buf, size);
853 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
855 }else if(audio_sync_method>1){
856 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
857 av_assert0(ost->audio_resample);
859 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
860 // 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));
861 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
865 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
866 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
868 if (ost->audio_resample) {
870 size_out = audio_resample(ost->resample,
871 (short *)buftmp, (short *)buf,
872 size / (dec->channels * isize));
873 size_out = size_out * enc->channels * osize;
879 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
880 const void *ibuf[6]= {buftmp};
881 void *obuf[6]= {audio_buf};
882 int istride[6]= {isize};
883 int ostride[6]= {osize};
884 int len= size_out/istride[0];
885 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
886 printf("av_audio_convert() failed\n");
892 size_out = len*osize;
895 /* now encode as many frames as possible */
896 if (enc->frame_size > 1) {
897 /* output resampled raw samples */
898 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
899 fprintf(stderr, "av_fifo_realloc2() failed\n");
902 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
904 frame_bytes = enc->frame_size * osize * enc->channels;
906 while (av_fifo_size(ost->fifo) >= frame_bytes) {
908 av_init_packet(&pkt);
910 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
912 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
914 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
917 fprintf(stderr, "Audio encoding failed\n");
921 pkt.stream_index= ost->index;
924 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
925 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
926 pkt.flags |= AV_PKT_FLAG_KEY;
927 write_frame(s, &pkt, enc, ost->bitstream_filters);
929 ost->sync_opts += enc->frame_size;
933 av_init_packet(&pkt);
935 ost->sync_opts += size_out / (osize * enc->channels);
937 /* output a pcm frame */
938 /* determine the size of the coded buffer */
941 size_out = size_out*coded_bps/8;
943 if(size_out > audio_out_size){
944 fprintf(stderr, "Internal error, buffer size too small\n");
948 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
949 ret = avcodec_encode_audio(enc, audio_out, size_out,
952 fprintf(stderr, "Audio encoding failed\n");
956 pkt.stream_index= ost->index;
959 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
960 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
961 pkt.flags |= AV_PKT_FLAG_KEY;
962 write_frame(s, &pkt, enc, ost->bitstream_filters);
966 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
970 AVPicture picture_tmp;
973 dec = ist->st->codec;
975 /* deinterlace : must be done before any resize */
976 if (do_deinterlace) {
979 /* create temporary picture */
980 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
981 buf = av_malloc(size);
985 picture2 = &picture_tmp;
986 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
988 if(avpicture_deinterlace(picture2, picture,
989 dec->pix_fmt, dec->width, dec->height) < 0) {
990 /* if error, do not deinterlace */
991 fprintf(stderr, "Deinterlacing failed\n");
1000 if (picture != picture2)
1001 *picture = *picture2;
1005 static void do_subtitle_out(AVFormatContext *s,
1011 static uint8_t *subtitle_out = NULL;
1012 int subtitle_out_max_size = 1024 * 1024;
1013 int subtitle_out_size, nb, i;
1014 AVCodecContext *enc;
1017 if (pts == AV_NOPTS_VALUE) {
1018 fprintf(stderr, "Subtitle packets must have a pts\n");
1024 enc = ost->st->codec;
1026 if (!subtitle_out) {
1027 subtitle_out = av_malloc(subtitle_out_max_size);
1030 /* Note: DVB subtitle need one packet to draw them and one other
1031 packet to clear them */
1032 /* XXX: signal it in the codec context ? */
1033 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1038 for(i = 0; i < nb; i++) {
1039 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1040 // start_display_time is required to be 0
1041 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1042 sub->end_display_time -= sub->start_display_time;
1043 sub->start_display_time = 0;
1044 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1045 subtitle_out_max_size, sub);
1046 if (subtitle_out_size < 0) {
1047 fprintf(stderr, "Subtitle encoding failed\n");
1051 av_init_packet(&pkt);
1052 pkt.stream_index = ost->index;
1053 pkt.data = subtitle_out;
1054 pkt.size = subtitle_out_size;
1055 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1056 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1057 /* XXX: the pts correction is handled here. Maybe handling
1058 it in the codec would be better */
1060 pkt.pts += 90 * sub->start_display_time;
1062 pkt.pts += 90 * sub->end_display_time;
1064 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1068 static int bit_buffer_size= 1024*256;
1069 static uint8_t *bit_buffer= NULL;
1071 static void do_video_resample(OutputStream *ost,
1073 AVFrame *in_picture,
1074 AVFrame **out_picture)
1076 int resample_changed = 0;
1077 AVCodecContext *dec = ist->st->codec;
1078 AVCodecContext *enc = ost->st->codec;
1079 *out_picture = in_picture;
1081 resample_changed = ost->resample_width != dec->width ||
1082 ost->resample_height != dec->height ||
1083 ost->resample_pix_fmt != dec->pix_fmt;
1085 #if !CONFIG_AVFILTER
1086 if (resample_changed) {
1087 av_log(NULL, AV_LOG_INFO,
1088 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1089 ist->file_index, ist->st->index,
1090 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1091 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1092 ost->resample_width = dec->width;
1093 ost->resample_height = dec->height;
1094 ost->resample_pix_fmt = dec->pix_fmt;
1097 ost->video_resample = dec->width != enc->width ||
1098 dec->height != enc->height ||
1099 dec->pix_fmt != enc->pix_fmt;
1101 if (ost->video_resample) {
1102 *out_picture = &ost->resample_frame;
1103 if (!ost->img_resample_ctx || resample_changed) {
1104 /* initialize the destination picture */
1105 if (!ost->resample_frame.data[0]) {
1106 avcodec_get_frame_defaults(&ost->resample_frame);
1107 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1108 enc->width, enc->height)) {
1109 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1113 /* initialize a new scaler context */
1114 sws_freeContext(ost->img_resample_ctx);
1115 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1116 enc->width, enc->height, enc->pix_fmt,
1117 ost->sws_flags, NULL, NULL, NULL);
1118 if (ost->img_resample_ctx == NULL) {
1119 fprintf(stderr, "Cannot get resampling context\n");
1123 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1124 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1127 if (resample_changed) {
1128 avfilter_graph_free(&ost->graph);
1129 if (configure_video_filters(ist, ost)) {
1130 fprintf(stderr, "Error reinitializing filters!\n");
1135 if (resample_changed) {
1136 ost->resample_width = dec->width;
1137 ost->resample_height = dec->height;
1138 ost->resample_pix_fmt = dec->pix_fmt;
1143 static void do_video_out(AVFormatContext *s,
1146 AVFrame *in_picture,
1147 int *frame_size, float quality)
1149 int nb_frames, i, ret, format_video_sync;
1150 AVFrame *final_picture;
1151 AVCodecContext *enc, *dec;
1154 enc = ost->st->codec;
1155 dec = ist->st->codec;
1157 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1159 /* by default, we output a single frame */
1164 format_video_sync = video_sync_method;
1165 if (format_video_sync < 0)
1166 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1168 if (format_video_sync) {
1169 double vdelta = sync_ipts - ost->sync_opts;
1170 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1173 else if (format_video_sync == 2) {
1176 }else if(vdelta>0.6)
1177 ost->sync_opts= lrintf(sync_ipts);
1178 }else if (vdelta > 1.1)
1179 nb_frames = lrintf(vdelta);
1180 //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);
1181 if (nb_frames == 0){
1184 fprintf(stderr, "*** drop!\n");
1185 }else if (nb_frames > 1) {
1186 nb_frames_dup += nb_frames - 1;
1188 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1191 ost->sync_opts= lrintf(sync_ipts);
1193 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1197 do_video_resample(ost, ist, in_picture, &final_picture);
1199 /* duplicates frame if needed */
1200 for(i=0;i<nb_frames;i++) {
1202 av_init_packet(&pkt);
1203 pkt.stream_index= ost->index;
1205 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1206 /* raw pictures are written as AVPicture structure to
1207 avoid any copies. We support temporarily the older
1209 AVFrame* old_frame = enc->coded_frame;
1210 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1211 pkt.data= (uint8_t *)final_picture;
1212 pkt.size= sizeof(AVPicture);
1213 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1214 pkt.flags |= AV_PKT_FLAG_KEY;
1216 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1217 enc->coded_frame = old_frame;
1219 AVFrame big_picture;
1221 big_picture= *final_picture;
1222 /* better than nothing: use input picture interlaced
1224 big_picture.interlaced_frame = in_picture->interlaced_frame;
1225 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1226 if(top_field_first == -1)
1227 big_picture.top_field_first = in_picture->top_field_first;
1229 big_picture.top_field_first = top_field_first;
1232 /* handles same_quant here. This is not correct because it may
1233 not be a global option */
1234 big_picture.quality = quality;
1236 big_picture.pict_type = 0;
1237 // big_picture.pts = AV_NOPTS_VALUE;
1238 big_picture.pts= ost->sync_opts;
1239 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1240 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1241 if (ost->forced_kf_index < ost->forced_kf_count &&
1242 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1243 big_picture.pict_type = AV_PICTURE_TYPE_I;
1244 ost->forced_kf_index++;
1246 ret = avcodec_encode_video(enc,
1247 bit_buffer, bit_buffer_size,
1250 fprintf(stderr, "Video encoding failed\n");
1255 pkt.data= bit_buffer;
1257 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1258 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1259 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1260 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1261 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1263 if(enc->coded_frame->key_frame)
1264 pkt.flags |= AV_PKT_FLAG_KEY;
1265 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1268 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1269 // enc->frame_number-1, ret, enc->pict_type);
1270 /* if two pass, output log */
1271 if (ost->logfile && enc->stats_out) {
1272 fprintf(ost->logfile, "%s", enc->stats_out);
1277 ost->frame_number++;
1281 static double psnr(double d){
1282 return -10.0*log(d)/log(10.0);
1285 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1288 AVCodecContext *enc;
1290 double ti1, bitrate, avg_bitrate;
1292 /* this is executed just the first time do_video_stats is called */
1294 vstats_file = fopen(vstats_filename, "w");
1301 enc = ost->st->codec;
1302 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1303 frame_number = ost->frame_number;
1304 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1305 if (enc->flags&CODEC_FLAG_PSNR)
1306 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1308 fprintf(vstats_file,"f_size= %6d ", frame_size);
1309 /* compute pts value */
1310 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1314 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1315 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1316 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1317 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1318 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1322 static void print_report(OutputFile *output_files,
1323 OutputStream *ost_table, int nb_ostreams,
1324 int is_last_report, int64_t timer_start)
1328 AVFormatContext *oc;
1330 AVCodecContext *enc;
1331 int frame_number, vid, i;
1333 int64_t pts = INT64_MAX;
1334 static int64_t last_time = -1;
1335 static int qp_histogram[52];
1337 if (!is_last_report) {
1339 /* display the report every 0.5 seconds */
1340 cur_time = av_gettime();
1341 if (last_time == -1) {
1342 last_time = cur_time;
1345 if ((cur_time - last_time) < 500000)
1347 last_time = cur_time;
1351 oc = output_files[0].ctx;
1353 total_size = avio_size(oc->pb);
1354 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1355 total_size= avio_tell(oc->pb);
1359 for(i=0;i<nb_ostreams;i++) {
1361 ost = &ost_table[i];
1362 enc = ost->st->codec;
1363 if (!ost->st->stream_copy && enc->coded_frame)
1364 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1365 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1366 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1368 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1369 float t = (av_gettime()-timer_start) / 1000000.0;
1371 frame_number = ost->frame_number;
1372 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1373 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1375 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1379 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1382 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1384 if (enc->flags&CODEC_FLAG_PSNR){
1386 double error, error_sum=0;
1387 double scale, scale_sum=0;
1388 char type[3]= {'Y','U','V'};
1389 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1392 error= enc->error[j];
1393 scale= enc->width*enc->height*255.0*255.0*frame_number;
1395 error= enc->coded_frame->error[j];
1396 scale= enc->width*enc->height*255.0*255.0;
1401 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1403 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1407 /* compute min output value */
1408 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1409 ost->st->time_base, AV_TIME_BASE_Q));
1412 if (verbose > 0 || is_last_report) {
1413 int hours, mins, secs, us;
1414 secs = pts / AV_TIME_BASE;
1415 us = pts % AV_TIME_BASE;
1421 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1424 "size=%8.0fkB time=", total_size / 1024.0);
1425 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1426 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1427 (100 * us) / AV_TIME_BASE);
1428 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1429 "bitrate=%6.1fkbits/s", bitrate);
1431 if (nb_frames_dup || nb_frames_drop)
1432 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1433 nb_frames_dup, nb_frames_drop);
1436 fprintf(stderr, "%s \r", buf);
1441 if (is_last_report && verbose >= 0){
1442 int64_t raw= audio_size + video_size + extra_size;
1443 fprintf(stderr, "\n");
1444 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1448 100.0*(total_size - raw)/raw
1453 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1455 int fill_char = 0x00;
1456 if (sample_fmt == AV_SAMPLE_FMT_U8)
1458 memset(buf, fill_char, size);
1461 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1465 for (i = 0; i < nb_ostreams; i++) {
1466 OutputStream *ost = &ost_table[i];
1467 AVCodecContext *enc = ost->st->codec;
1468 AVFormatContext *os = output_files[ost->file_index].ctx;
1470 if (!ost->encoding_needed)
1473 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1475 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1481 av_init_packet(&pkt);
1482 pkt.stream_index= ost->index;
1484 switch (ost->st->codec->codec_type) {
1485 case AVMEDIA_TYPE_AUDIO:
1486 fifo_bytes = av_fifo_size(ost->fifo);
1488 /* encode any samples remaining in fifo */
1489 if (fifo_bytes > 0) {
1490 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1491 int fs_tmp = enc->frame_size;
1493 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1494 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1495 enc->frame_size = fifo_bytes / (osize * enc->channels);
1497 int frame_bytes = enc->frame_size*osize*enc->channels;
1498 if (allocated_audio_buf_size < frame_bytes)
1500 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1503 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1504 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1505 ost->st->time_base.num, enc->sample_rate);
1506 enc->frame_size = fs_tmp;
1509 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1512 fprintf(stderr, "Audio encoding failed\n");
1516 pkt.flags |= AV_PKT_FLAG_KEY;
1518 case AVMEDIA_TYPE_VIDEO:
1519 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1521 fprintf(stderr, "Video encoding failed\n");
1525 if(enc->coded_frame && enc->coded_frame->key_frame)
1526 pkt.flags |= AV_PKT_FLAG_KEY;
1527 if (ost->logfile && enc->stats_out) {
1528 fprintf(ost->logfile, "%s", enc->stats_out);
1537 pkt.data = bit_buffer;
1539 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1540 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1541 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1546 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1547 static int output_packet(InputStream *ist, int ist_index,
1548 OutputStream *ost_table, int nb_ostreams,
1549 const AVPacket *pkt)
1551 AVFormatContext *os;
1556 void *buffer_to_free = NULL;
1557 static unsigned int samples_size= 0;
1558 AVSubtitle subtitle, *subtitle_to_free;
1559 int64_t pkt_pts = AV_NOPTS_VALUE;
1561 int frame_available;
1566 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1568 if(ist->next_pts == AV_NOPTS_VALUE)
1569 ist->next_pts= ist->pts;
1573 av_init_packet(&avpkt);
1581 if(pkt->dts != AV_NOPTS_VALUE)
1582 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1583 if(pkt->pts != AV_NOPTS_VALUE)
1584 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1586 //while we have more to decode or while the decoder did output something on EOF
1587 while (avpkt.size > 0 || (!pkt && got_output)) {
1588 uint8_t *data_buf, *decoded_data_buf;
1589 int data_size, decoded_data_size;
1591 ist->pts= ist->next_pts;
1593 if(avpkt.size && avpkt.size != pkt->size &&
1594 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1595 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1596 ist->showed_multi_packet_warning=1;
1599 /* decode the packet if needed */
1600 decoded_data_buf = NULL; /* fail safe */
1601 decoded_data_size= 0;
1602 data_buf = avpkt.data;
1603 data_size = avpkt.size;
1604 subtitle_to_free = NULL;
1605 if (ist->decoding_needed) {
1606 switch(ist->st->codec->codec_type) {
1607 case AVMEDIA_TYPE_AUDIO:{
1608 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1609 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1611 samples= av_malloc(samples_size);
1613 decoded_data_size= samples_size;
1614 /* XXX: could avoid copy if PCM 16 bits with same
1615 endianness as CPU */
1616 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1623 got_output = decoded_data_size > 0;
1624 /* Some bug in mpeg audio decoder gives */
1625 /* decoded_data_size < 0, it seems they are overflows */
1627 /* no audio frame */
1630 decoded_data_buf = (uint8_t *)samples;
1631 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1632 (ist->st->codec->sample_rate * ist->st->codec->channels);
1634 case AVMEDIA_TYPE_VIDEO:
1635 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1636 /* XXX: allocate picture correctly */
1637 avcodec_get_frame_defaults(&picture);
1638 avpkt.pts = pkt_pts;
1639 avpkt.dts = ist->pts;
1640 pkt_pts = AV_NOPTS_VALUE;
1642 ret = avcodec_decode_video2(ist->st->codec,
1643 &picture, &got_output, &avpkt);
1644 quality = same_quant ? picture.quality : 0;
1648 /* no picture yet */
1649 goto discard_packet;
1651 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1652 if (ist->st->codec->time_base.num != 0) {
1653 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1654 ist->next_pts += ((int64_t)AV_TIME_BASE *
1655 ist->st->codec->time_base.num * ticks) /
1656 ist->st->codec->time_base.den;
1659 buffer_to_free = NULL;
1660 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1662 case AVMEDIA_TYPE_SUBTITLE:
1663 ret = avcodec_decode_subtitle2(ist->st->codec,
1664 &subtitle, &got_output, &avpkt);
1668 goto discard_packet;
1670 subtitle_to_free = &subtitle;
1677 switch(ist->st->codec->codec_type) {
1678 case AVMEDIA_TYPE_AUDIO:
1679 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1680 ist->st->codec->sample_rate;
1682 case AVMEDIA_TYPE_VIDEO:
1683 if (ist->st->codec->time_base.num != 0) {
1684 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1685 ist->next_pts += ((int64_t)AV_TIME_BASE *
1686 ist->st->codec->time_base.num * ticks) /
1687 ist->st->codec->time_base.den;
1694 // preprocess audio (volume)
1695 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1696 if (audio_volume != 256) {
1699 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1700 int v = ((*volp) * audio_volume + 128) >> 8;
1701 *volp++ = av_clip_int16(v);
1706 /* frame rate emulation */
1708 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1709 int64_t now = av_gettime() - ist->start;
1713 /* if output time reached then transcode raw format,
1714 encode packets and output them */
1715 for (i = 0; i < nb_ostreams; i++) {
1716 OutputFile *of = &output_files[ost_table[i].file_index];
1719 ost = &ost_table[i];
1720 if (ost->source_index != ist_index)
1723 if (of->start_time && ist->pts < of->start_time)
1726 if (of->recording_time != INT64_MAX &&
1727 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1728 (AVRational){1, 1000000}) >= 0) {
1729 ost->is_past_recording_time = 1;
1734 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1735 ost->input_video_filter) {
1736 if (!picture.sample_aspect_ratio.num)
1737 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1738 picture.pts = ist->pts;
1740 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1742 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1743 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1744 while (frame_available) {
1745 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1746 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1747 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1750 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1751 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1755 os = output_files[ost->file_index].ctx;
1757 /* set the input output pts pairs */
1758 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1760 if (ost->encoding_needed) {
1761 av_assert0(ist->decoding_needed);
1762 switch(ost->st->codec->codec_type) {
1763 case AVMEDIA_TYPE_AUDIO:
1764 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1766 case AVMEDIA_TYPE_VIDEO:
1768 if (ost->picref->video && !ost->frame_aspect_ratio)
1769 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1771 do_video_out(os, ost, ist, &picture, &frame_size,
1772 same_quant ? quality : ost->st->codec->global_quality);
1773 if (vstats_filename && frame_size)
1774 do_video_stats(os, ost, frame_size);
1776 case AVMEDIA_TYPE_SUBTITLE:
1777 do_subtitle_out(os, ost, ist, &subtitle,
1784 AVFrame avframe; //FIXME/XXX remove this
1787 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1788 av_init_packet(&opkt);
1790 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1791 #if !CONFIG_AVFILTER
1797 /* no reencoding needed : output the packet directly */
1798 /* force the input stream PTS */
1800 avcodec_get_frame_defaults(&avframe);
1801 ost->st->codec->coded_frame= &avframe;
1802 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1804 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1805 audio_size += data_size;
1806 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1807 video_size += data_size;
1811 opkt.stream_index= ost->index;
1812 if(pkt->pts != AV_NOPTS_VALUE)
1813 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1815 opkt.pts= AV_NOPTS_VALUE;
1817 if (pkt->dts == AV_NOPTS_VALUE)
1818 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1820 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1821 opkt.dts -= ost_tb_start_time;
1823 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1824 opkt.flags= pkt->flags;
1826 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1827 if( ost->st->codec->codec_id != CODEC_ID_H264
1828 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1829 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1831 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1832 opkt.destruct= av_destruct_packet;
1834 opkt.data = data_buf;
1835 opkt.size = data_size;
1838 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1839 /* store AVPicture in AVPacket, as expected by the output format */
1840 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1841 opkt.data = (uint8_t *)&pict;
1842 opkt.size = sizeof(AVPicture);
1843 opkt.flags |= AV_PKT_FLAG_KEY;
1845 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1846 ost->st->codec->frame_number++;
1847 ost->frame_number++;
1848 av_free_packet(&opkt);
1852 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1853 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1855 avfilter_unref_buffer(ost->picref);
1860 av_free(buffer_to_free);
1861 /* XXX: allocate the subtitles in the codec ? */
1862 if (subtitle_to_free) {
1863 avsubtitle_free(subtitle_to_free);
1864 subtitle_to_free = NULL;
1872 static void print_sdp(OutputFile *output_files, int n)
1876 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1880 for (i = 0; i < n; i++)
1881 avc[i] = output_files[i].ctx;
1883 av_sdp_create(avc, n, sdp, sizeof(sdp));
1884 printf("SDP:\n%s\n", sdp);
1889 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1890 char *error, int error_len)
1893 InputStream *ist = &input_streams[ist_index];
1894 if (ist->decoding_needed) {
1895 AVCodec *codec = ist->dec;
1897 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1898 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1899 return AVERROR(EINVAL);
1902 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1903 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1904 ist->file_index, ist->st->index);
1905 return AVERROR(EINVAL);
1907 assert_codec_experimental(ist->st->codec, 0);
1908 assert_avoptions(ist->opts);
1911 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;
1912 ist->next_pts = AV_NOPTS_VALUE;
1918 static int transcode_init(OutputFile *output_files,
1919 int nb_output_files,
1920 InputFile *input_files,
1924 AVFormatContext *os;
1925 AVCodecContext *codec, *icodec;
1932 for (i = 0; i < nb_input_streams; i++)
1933 input_streams[i].start = av_gettime();
1935 /* output stream init */
1936 for(i=0;i<nb_output_files;i++) {
1937 os = output_files[i].ctx;
1938 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1939 av_dump_format(os, i, os->filename, 1);
1940 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1941 return AVERROR(EINVAL);
1945 /* for each output stream, we compute the right encoding parameters */
1946 for (i = 0; i < nb_output_streams; i++) {
1947 ost = &output_streams[i];
1948 os = output_files[ost->file_index].ctx;
1949 ist = &input_streams[ost->source_index];
1951 codec = ost->st->codec;
1952 icodec = ist->st->codec;
1954 ost->st->disposition = ist->st->disposition;
1955 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1956 codec->chroma_sample_location = icodec->chroma_sample_location;
1958 if (ost->st->stream_copy) {
1959 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1961 if (extra_size > INT_MAX) {
1962 return AVERROR(EINVAL);
1965 /* if stream_copy is selected, no need to decode or encode */
1966 codec->codec_id = icodec->codec_id;
1967 codec->codec_type = icodec->codec_type;
1969 if(!codec->codec_tag){
1970 if( !os->oformat->codec_tag
1971 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1972 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1973 codec->codec_tag = icodec->codec_tag;
1976 codec->bit_rate = icodec->bit_rate;
1977 codec->rc_max_rate = icodec->rc_max_rate;
1978 codec->rc_buffer_size = icodec->rc_buffer_size;
1979 codec->extradata= av_mallocz(extra_size);
1980 if (!codec->extradata) {
1981 return AVERROR(ENOMEM);
1983 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1984 codec->extradata_size= icodec->extradata_size;
1986 codec->time_base = ist->st->time_base;
1987 if(!strcmp(os->oformat->name, "avi")) {
1988 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1989 codec->time_base = icodec->time_base;
1990 codec->time_base.num *= icodec->ticks_per_frame;
1991 codec->time_base.den *= 2;
1993 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1994 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){
1995 codec->time_base = icodec->time_base;
1996 codec->time_base.num *= icodec->ticks_per_frame;
1999 av_reduce(&codec->time_base.num, &codec->time_base.den,
2000 codec->time_base.num, codec->time_base.den, INT_MAX);
2002 switch(codec->codec_type) {
2003 case AVMEDIA_TYPE_AUDIO:
2004 if(audio_volume != 256) {
2005 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2008 codec->channel_layout = icodec->channel_layout;
2009 codec->sample_rate = icodec->sample_rate;
2010 codec->channels = icodec->channels;
2011 codec->frame_size = icodec->frame_size;
2012 codec->audio_service_type = icodec->audio_service_type;
2013 codec->block_align= icodec->block_align;
2014 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2015 codec->block_align= 0;
2016 if(codec->codec_id == CODEC_ID_AC3)
2017 codec->block_align= 0;
2019 case AVMEDIA_TYPE_VIDEO:
2020 codec->pix_fmt = icodec->pix_fmt;
2021 codec->width = icodec->width;
2022 codec->height = icodec->height;
2023 codec->has_b_frames = icodec->has_b_frames;
2024 if (!codec->sample_aspect_ratio.num) {
2025 codec->sample_aspect_ratio =
2026 ost->st->sample_aspect_ratio =
2027 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2028 ist->st->codec->sample_aspect_ratio.num ?
2029 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2032 case AVMEDIA_TYPE_SUBTITLE:
2033 codec->width = icodec->width;
2034 codec->height = icodec->height;
2036 case AVMEDIA_TYPE_DATA:
2043 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2044 switch(codec->codec_type) {
2045 case AVMEDIA_TYPE_AUDIO:
2046 ost->fifo= av_fifo_alloc(1024);
2048 return AVERROR(ENOMEM);
2050 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2051 if (!codec->sample_rate) {
2052 codec->sample_rate = icodec->sample_rate;
2054 choose_sample_rate(ost->st, ost->enc);
2055 codec->time_base = (AVRational){1, codec->sample_rate};
2056 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2057 codec->sample_fmt = icodec->sample_fmt;
2058 choose_sample_fmt(ost->st, ost->enc);
2059 if (!codec->channels) {
2060 codec->channels = icodec->channels;
2061 codec->channel_layout = icodec->channel_layout;
2063 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2064 codec->channel_layout = 0;
2065 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2066 icodec->request_channels = codec->channels;
2067 ist->decoding_needed = 1;
2068 ost->encoding_needed = 1;
2069 ost->resample_sample_fmt = icodec->sample_fmt;
2070 ost->resample_sample_rate = icodec->sample_rate;
2071 ost->resample_channels = icodec->channels;
2073 case AVMEDIA_TYPE_VIDEO:
2074 if (codec->pix_fmt == PIX_FMT_NONE)
2075 codec->pix_fmt = icodec->pix_fmt;
2076 choose_pixel_fmt(ost->st, ost->enc);
2078 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2079 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2083 if (!codec->width || !codec->height) {
2084 codec->width = icodec->width;
2085 codec->height = icodec->height;
2088 ost->video_resample = codec->width != icodec->width ||
2089 codec->height != icodec->height ||
2090 codec->pix_fmt != icodec->pix_fmt;
2091 if (ost->video_resample) {
2092 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2095 ost->resample_height = icodec->height;
2096 ost->resample_width = icodec->width;
2097 ost->resample_pix_fmt= icodec->pix_fmt;
2098 ost->encoding_needed = 1;
2099 ist->decoding_needed = 1;
2101 if (!ost->frame_rate.num)
2102 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2103 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2104 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2105 ost->frame_rate = ost->enc->supported_framerates[idx];
2107 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2108 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2109 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2110 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2111 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2115 if (configure_video_filters(ist, ost)) {
2116 fprintf(stderr, "Error opening filters!\n");
2121 case AVMEDIA_TYPE_SUBTITLE:
2122 ost->encoding_needed = 1;
2123 ist->decoding_needed = 1;
2130 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2131 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2132 char logfilename[1024];
2135 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2136 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2138 if (codec->flags & CODEC_FLAG_PASS1) {
2139 f = fopen(logfilename, "wb");
2141 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2147 size_t logbuffer_size;
2148 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2149 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2152 codec->stats_in = logbuffer;
2156 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2157 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2158 int size= codec->width * codec->height;
2159 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2164 bit_buffer = av_malloc(bit_buffer_size);
2166 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2168 return AVERROR(ENOMEM);
2171 /* open each encoder */
2172 for (i = 0; i < nb_output_streams; i++) {
2173 ost = &output_streams[i];
2174 if (ost->encoding_needed) {
2175 AVCodec *codec = ost->enc;
2176 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2178 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2179 ost->st->codec->codec_id, ost->file_index, ost->index);
2180 ret = AVERROR(EINVAL);
2183 if (dec->subtitle_header) {
2184 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2185 if (!ost->st->codec->subtitle_header) {
2186 ret = AVERROR(ENOMEM);
2189 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2190 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2192 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2193 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2194 ost->file_index, ost->index);
2195 ret = AVERROR(EINVAL);
2198 assert_codec_experimental(ost->st->codec, 1);
2199 assert_avoptions(ost->opts);
2200 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2201 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2202 "It takes bits/s as argument, not kbits/s\n");
2203 extra_size += ost->st->codec->extradata_size;
2207 /* init input streams */
2208 for (i = 0; i < nb_input_streams; i++)
2209 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2212 /* open files and write file headers */
2213 for (i = 0; i < nb_output_files; i++) {
2214 os = output_files[i].ctx;
2215 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2216 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2217 ret = AVERROR(EINVAL);
2220 // assert_avoptions(output_files[i].opts);
2221 if (strcmp(os->oformat->name, "rtp")) {
2227 /* dump the file output parameters - cannot be done before in case
2229 for(i=0;i<nb_output_files;i++) {
2230 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2233 /* dump the stream mapping */
2235 fprintf(stderr, "Stream mapping:\n");
2236 for (i = 0; i < nb_output_streams;i ++) {
2237 ost = &output_streams[i];
2238 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2239 input_streams[ost->source_index].file_index,
2240 input_streams[ost->source_index].st->index,
2243 if (ost->sync_ist != &input_streams[ost->source_index])
2244 fprintf(stderr, " [sync #%d.%d]",
2245 ost->sync_ist->file_index,
2246 ost->sync_ist->st->index);
2247 if (ost->st->stream_copy)
2248 fprintf(stderr, " (copy)");
2250 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2251 input_streams[ost->source_index].dec->name : "?",
2252 ost->enc ? ost->enc->name : "?");
2253 fprintf(stderr, "\n");
2258 fprintf(stderr, "%s\n", error);
2263 print_sdp(output_files, nb_output_files);
2270 * The following code is the main loop of the file converter
2272 static int transcode(OutputFile *output_files,
2273 int nb_output_files,
2274 InputFile *input_files,
2278 AVFormatContext *is, *os;
2282 int no_packet_count=0;
2283 int64_t timer_start;
2286 if (!(no_packet = av_mallocz(nb_input_files)))
2289 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2295 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2296 avio_set_interrupt_cb(decode_interrupt_cb);
2300 timer_start = av_gettime();
2302 for(; received_sigterm == 0;) {
2303 int file_index, ist_index;
2308 ipts_min = INT64_MAX;
2310 /* if 'q' pressed, exits */
2314 /* read_key() returns 0 on EOF */
2318 if (key == '+') verbose++;
2319 if (key == '-') verbose--;
2320 if (key == 's') qp_hist ^= 1;
2323 do_hex_dump = do_pkt_dump = 0;
2324 } else if(do_pkt_dump){
2328 av_log_set_level(AV_LOG_DEBUG);
2330 if (key == 'd' || key == 'D'){
2333 debug = input_streams[0].st->codec->debug<<1;
2334 if(!debug) debug = 1;
2335 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2338 scanf("%d", &debug);
2339 for(i=0;i<nb_input_streams;i++) {
2340 input_streams[i].st->codec->debug = debug;
2342 for(i=0;i<nb_output_streams;i++) {
2343 ost = &output_streams[i];
2344 ost->st->codec->debug = debug;
2346 if(debug) av_log_set_level(AV_LOG_DEBUG);
2347 fprintf(stderr,"debug=%d\n", debug);
2350 fprintf(stderr, "key function\n"
2351 "? show this help\n"
2352 "+ increase verbosity\n"
2353 "- decrease verbosity\n"
2354 "D cycle through available debug modes\n"
2355 "h dump packets/hex press to cycle through the 3 states\n"
2357 "s Show QP histogram\n"
2362 /* select the stream that we must read now by looking at the
2363 smallest output pts */
2365 for (i = 0; i < nb_output_streams; i++) {
2369 ost = &output_streams[i];
2370 of = &output_files[ost->file_index];
2371 os = output_files[ost->file_index].ctx;
2372 ist = &input_streams[ost->source_index];
2373 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2374 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2376 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2378 if (!input_files[ist->file_index].eof_reached){
2379 if(ipts < ipts_min) {
2381 if(input_sync ) file_index = ist->file_index;
2383 if(opts < opts_min) {
2385 if(!input_sync) file_index = ist->file_index;
2388 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2393 /* if none, if is finished */
2394 if (file_index < 0) {
2395 if(no_packet_count){
2397 memset(no_packet, 0, nb_input_files);
2404 /* read a frame from it and output it in the fifo */
2405 is = input_files[file_index].ctx;
2406 ret= av_read_frame(is, &pkt);
2407 if(ret == AVERROR(EAGAIN)){
2408 no_packet[file_index]=1;
2413 input_files[file_index].eof_reached = 1;
2421 memset(no_packet, 0, nb_input_files);
2424 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2425 is->streams[pkt.stream_index]);
2427 /* the following test is needed in case new streams appear
2428 dynamically in stream : we ignore them */
2429 if (pkt.stream_index >= input_files[file_index].nb_streams)
2430 goto discard_packet;
2431 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2432 ist = &input_streams[ist_index];
2434 goto discard_packet;
2436 if (pkt.dts != AV_NOPTS_VALUE)
2437 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2438 if (pkt.pts != AV_NOPTS_VALUE)
2439 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2441 if (ist->ts_scale) {
2442 if(pkt.pts != AV_NOPTS_VALUE)
2443 pkt.pts *= ist->ts_scale;
2444 if(pkt.dts != AV_NOPTS_VALUE)
2445 pkt.dts *= ist->ts_scale;
2448 // 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);
2449 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2450 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2451 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2452 int64_t delta= pkt_dts - ist->next_pts;
2453 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2454 input_files[ist->file_index].ts_offset -= delta;
2456 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2457 delta, input_files[ist->file_index].ts_offset);
2458 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2459 if(pkt.pts != AV_NOPTS_VALUE)
2460 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2464 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2465 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2468 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2469 ist->file_index, ist->st->index);
2472 av_free_packet(&pkt);
2477 av_free_packet(&pkt);
2479 /* dump report by using the output first video and audio streams */
2480 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2483 /* at the end of stream, we must flush the decoder buffers */
2484 for (i = 0; i < nb_input_streams; i++) {
2485 ist = &input_streams[i];
2486 if (ist->decoding_needed) {
2487 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2490 flush_encoders(output_streams, nb_output_streams);
2494 /* write the trailer if needed and close file */
2495 for(i=0;i<nb_output_files;i++) {
2496 os = output_files[i].ctx;
2497 av_write_trailer(os);
2500 /* dump report by using the first video and audio streams */
2501 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2503 /* close each encoder */
2504 for (i = 0; i < nb_output_streams; i++) {
2505 ost = &output_streams[i];
2506 if (ost->encoding_needed) {
2507 av_freep(&ost->st->codec->stats_in);
2508 avcodec_close(ost->st->codec);
2511 avfilter_graph_free(&ost->graph);
2515 /* close each decoder */
2516 for (i = 0; i < nb_input_streams; i++) {
2517 ist = &input_streams[i];
2518 if (ist->decoding_needed) {
2519 avcodec_close(ist->st->codec);
2527 av_freep(&bit_buffer);
2528 av_freep(&no_packet);
2530 if (output_streams) {
2531 for (i = 0; i < nb_output_streams; i++) {
2532 ost = &output_streams[i];
2534 if (ost->st->stream_copy)
2535 av_freep(&ost->st->codec->extradata);
2537 fclose(ost->logfile);
2538 ost->logfile = NULL;
2540 av_fifo_free(ost->fifo); /* works even if fifo is not
2541 initialized but set to zero */
2542 av_freep(&ost->st->codec->subtitle_header);
2543 av_free(ost->resample_frame.data[0]);
2544 av_free(ost->forced_kf_pts);
2545 if (ost->video_resample)
2546 sws_freeContext(ost->img_resample_ctx);
2548 audio_resample_close(ost->resample);
2549 if (ost->reformat_ctx)
2550 av_audio_convert_free(ost->reformat_ctx);
2551 av_dict_free(&ost->opts);
2558 static int opt_format(const char *opt, const char *arg)
2560 last_asked_format = arg;
2564 static int opt_video_rc_override_string(const char *opt, const char *arg)
2566 video_rc_override_string = arg;
2570 static int opt_me_threshold(const char *opt, const char *arg)
2572 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2576 static int opt_verbose(const char *opt, const char *arg)
2578 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2582 static int opt_frame_rate(const char *opt, const char *arg)
2584 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2585 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2591 static int opt_frame_size(const char *opt, const char *arg)
2593 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2594 fprintf(stderr, "Incorrect frame size\n");
2595 return AVERROR(EINVAL);
2600 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2602 if (strcmp(arg, "list")) {
2603 frame_pix_fmt = av_get_pix_fmt(arg);
2604 if (frame_pix_fmt == PIX_FMT_NONE) {
2605 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2606 return AVERROR(EINVAL);
2609 opt_pix_fmts(NULL, NULL);
2615 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2622 p = strchr(arg, ':');
2624 x = strtol(arg, &end, 10);
2626 y = strtol(end+1, &end, 10);
2628 ar = (double)x / (double)y;
2630 ar = strtod(arg, NULL);
2633 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2634 return AVERROR(EINVAL);
2636 frame_aspect_ratio = ar;
2640 static int opt_metadata(const char *opt, const char *arg)
2642 char *mid= strchr(arg, '=');
2645 fprintf(stderr, "Missing =\n");
2650 av_dict_set(&metadata, arg, mid, 0);
2655 static int opt_qscale(const char *opt, const char *arg)
2657 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2658 if (video_qscale <= 0 || video_qscale > 255) {
2659 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2660 return AVERROR(EINVAL);
2665 static int opt_top_field_first(const char *opt, const char *arg)
2667 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2668 return opt_default(opt, arg);
2671 static int opt_thread_count(const char *opt, const char *arg)
2673 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2676 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2681 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2683 if (strcmp(arg, "list")) {
2684 audio_sample_fmt = av_get_sample_fmt(arg);
2685 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2686 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2687 return AVERROR(EINVAL);
2692 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2693 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2699 static int opt_audio_rate(const char *opt, const char *arg)
2701 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2705 static int opt_audio_channels(const char *opt, const char *arg)
2707 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2711 static int opt_codec(const char *opt, const char *arg)
2713 return av_dict_set(&codec_names, opt, arg, 0);
2716 static int opt_audio_codec(const char *opt, const char *arg)
2718 return opt_codec("codec:a", arg);
2721 static int opt_video_codec(const char *opt, const char *arg)
2723 return opt_codec("codec:v", arg);
2726 static int opt_subtitle_codec(const char *opt, const char *arg)
2728 return opt_codec("codec:s", arg);
2731 static int opt_data_codec(const char *opt, const char *arg)
2733 return opt_codec("codec:d", arg);
2736 static int opt_codec_tag(const char *opt, const char *arg)
2739 uint32_t *codec_tag;
2741 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2742 !strcmp(opt, "vtag") ? &video_codec_tag :
2743 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2747 *codec_tag = strtol(arg, &tail, 0);
2749 *codec_tag = AV_RL32(arg);
2754 static int opt_map(const char *opt, const char *arg)
2756 StreamMap *m = NULL;
2757 int i, negative = 0, file_idx;
2758 int sync_file_idx = -1, sync_stream_idx;
2766 map = av_strdup(arg);
2768 /* parse sync stream first, just pick first matching stream */
2769 if (sync = strchr(map, ',')) {
2771 sync_file_idx = strtol(sync + 1, &sync, 0);
2772 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2773 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2778 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2779 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2780 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2781 sync_stream_idx = i;
2784 if (i == input_files[sync_file_idx].nb_streams) {
2785 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2786 "match any streams.\n", arg);
2792 file_idx = strtol(map, &p, 0);
2793 if (file_idx >= nb_input_files || file_idx < 0) {
2794 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2798 /* disable some already defined maps */
2799 for (i = 0; i < nb_stream_maps; i++) {
2800 m = &stream_maps[i];
2801 if (check_stream_specifier(input_files[m->file_index].ctx,
2802 input_files[m->file_index].ctx->streams[m->stream_index],
2803 *p == ':' ? p + 1 : p) > 0)
2807 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2808 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2809 *p == ':' ? p + 1 : p) <= 0)
2811 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2812 m = &stream_maps[nb_stream_maps - 1];
2814 m->file_index = file_idx;
2815 m->stream_index = i;
2817 if (sync_file_idx >= 0) {
2818 m->sync_file_index = sync_file_idx;
2819 m->sync_stream_index = sync_stream_idx;
2821 m->sync_file_index = file_idx;
2822 m->sync_stream_index = i;
2827 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2835 static void parse_meta_type(char *arg, char *type, int *index)
2845 if (*(++arg) == ':')
2846 *index = strtol(++arg, NULL, 0);
2849 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2856 static int opt_map_metadata(const char *opt, const char *arg)
2858 MetadataMap *m, *m1;
2861 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2862 &nb_meta_data_maps, nb_meta_data_maps + 1);
2864 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2865 m->file = strtol(arg, &p, 0);
2866 parse_meta_type(p, &m->type, &m->index);
2868 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2869 if (p = strchr(opt, ':'))
2870 parse_meta_type(p, &m1->type, &m1->index);
2874 if (m->type == 'g' || m1->type == 'g')
2875 metadata_global_autocopy = 0;
2876 if (m->type == 's' || m1->type == 's')
2877 metadata_streams_autocopy = 0;
2878 if (m->type == 'c' || m1->type == 'c')
2879 metadata_chapters_autocopy = 0;
2884 static int opt_input_ts_scale(const char *opt, const char *arg)
2886 return av_dict_set(&ts_scale, opt, arg, 0);
2889 static int opt_recording_time(const char *opt, const char *arg)
2891 recording_time = parse_time_or_die(opt, arg, 1);
2895 static int opt_start_time(const char *opt, const char *arg)
2897 start_time = parse_time_or_die(opt, arg, 1);
2901 static int opt_input_ts_offset(const char *opt, const char *arg)
2903 input_ts_offset = parse_time_or_die(opt, arg, 1);
2907 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2909 const char *codec_string = encoder ? "encoder" : "decoder";
2913 return CODEC_ID_NONE;
2915 avcodec_find_encoder_by_name(name) :
2916 avcodec_find_decoder_by_name(name);
2918 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2921 if(codec->type != type) {
2922 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2928 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2930 AVDictionaryEntry *e = NULL;
2931 char *codec_name = NULL;
2934 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2935 char *p = strchr(e->key, ':');
2937 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2938 codec_name = e->value;
2945 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2946 return avcodec_find_encoder(st->codec->codec_id);
2948 } else if (!strcmp(codec_name, "copy"))
2949 st->stream_copy = 1;
2951 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2952 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2953 avcodec_find_decoder_by_name(codec_name);
2960 * Add all the streams from the given input file to the global
2961 * list of input streams.
2963 static void add_input_streams(AVFormatContext *ic)
2965 int i, rfps, rfps_base, ret;
2967 for (i = 0; i < ic->nb_streams; i++) {
2968 AVStream *st = ic->streams[i];
2969 AVCodecContext *dec = st->codec;
2970 AVDictionaryEntry *e = NULL;
2974 dec->thread_count = thread_count;
2976 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2977 ist = &input_streams[nb_input_streams - 1];
2979 ist->file_index = nb_input_files;
2981 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2983 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2984 char *p = strchr(e->key, ':');
2986 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2992 ist->ts_scale = strtod(scale, NULL);
2994 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2996 ist->dec = avcodec_find_decoder(dec->codec_id);
2998 switch (dec->codec_type) {
2999 case AVMEDIA_TYPE_AUDIO:
3001 ist->dec = avcodec_find_decoder(dec->codec_id);
3003 st->discard= AVDISCARD_ALL;
3005 case AVMEDIA_TYPE_VIDEO:
3007 ist->dec = avcodec_find_decoder(dec->codec_id);
3008 rfps = ic->streams[i]->r_frame_rate.num;
3009 rfps_base = ic->streams[i]->r_frame_rate.den;
3011 dec->flags |= CODEC_FLAG_EMU_EDGE;
3014 dec->debug |= FF_DEBUG_MV;
3016 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3019 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3020 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3022 (float)rfps / rfps_base, rfps, rfps_base);
3026 st->discard= AVDISCARD_ALL;
3027 else if(video_discard)
3028 st->discard= video_discard;
3030 case AVMEDIA_TYPE_DATA:
3032 case AVMEDIA_TYPE_SUBTITLE:
3034 ist->dec = avcodec_find_decoder(dec->codec_id);
3035 if(subtitle_disable)
3036 st->discard = AVDISCARD_ALL;
3038 case AVMEDIA_TYPE_ATTACHMENT:
3039 case AVMEDIA_TYPE_UNKNOWN:
3047 static int opt_input_file(const char *opt, const char *filename)
3049 AVFormatContext *ic;
3050 AVInputFormat *file_iformat = NULL;
3054 AVDictionary **opts;
3055 int orig_nb_streams; // number of streams before avformat_find_stream_info
3057 if (last_asked_format) {
3058 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3059 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3062 last_asked_format = NULL;
3065 if (!strcmp(filename, "-"))
3068 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3069 !strcmp(filename, "/dev/stdin");
3071 /* get default parameters from command line */
3072 ic = avformat_alloc_context();
3074 print_error(filename, AVERROR(ENOMEM));
3077 if (audio_sample_rate) {
3078 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3079 av_dict_set(&format_opts, "sample_rate", buf, 0);
3081 if (audio_channels) {
3082 snprintf(buf, sizeof(buf), "%d", audio_channels);
3083 av_dict_set(&format_opts, "channels", buf, 0);
3085 if (frame_rate.num) {
3086 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3087 av_dict_set(&format_opts, "framerate", buf, 0);
3089 if (frame_width && frame_height) {
3090 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3091 av_dict_set(&format_opts, "video_size", buf, 0);
3093 if (frame_pix_fmt != PIX_FMT_NONE)
3094 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3096 ic->flags |= AVFMT_FLAG_NONBLOCK;
3098 /* open the input file with generic libav function */
3099 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3101 print_error(filename, err);
3104 assert_avoptions(format_opts);
3109 for(i=0; i<ic->nb_streams; i++){
3110 ic->streams[i]->discard= AVDISCARD_ALL;
3112 for(i=0; i<ic->nb_programs; i++){
3113 AVProgram *p= ic->programs[i];
3114 if(p->id != opt_programid){
3115 p->discard = AVDISCARD_ALL;
3118 for(j=0; j<p->nb_stream_indexes; j++){
3119 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3124 fprintf(stderr, "Specified program id not found\n");
3130 /* apply forced codec ids */
3131 for (i = 0; i < ic->nb_streams; i++)
3132 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3134 /* Set AVCodecContext options for avformat_find_stream_info */
3135 opts = setup_find_stream_info_opts(ic, codec_opts);
3136 orig_nb_streams = ic->nb_streams;
3138 /* If not enough info to get the stream parameters, we decode the
3139 first frames to get it. (used in mpeg case for example) */
3140 ret = avformat_find_stream_info(ic, opts);
3141 if (ret < 0 && verbose >= 0) {
3142 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3143 av_close_input_file(ic);
3147 timestamp = start_time;
3148 /* add the stream start time */
3149 if (ic->start_time != AV_NOPTS_VALUE)
3150 timestamp += ic->start_time;
3152 /* if seeking requested, we execute it */
3153 if (start_time != 0) {
3154 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3156 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3157 filename, (double)timestamp / AV_TIME_BASE);
3159 /* reset seek info */
3163 /* update the current parameters so that they match the one of the input stream */
3164 add_input_streams(ic);
3166 /* dump the file content */
3168 av_dump_format(ic, nb_input_files, filename, 0);
3170 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3171 input_files[nb_input_files - 1].ctx = ic;
3172 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3173 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3174 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3176 top_field_first = -1;
3177 frame_rate = (AVRational){0, 0};
3178 frame_pix_fmt = PIX_FMT_NONE;
3181 audio_sample_rate = 0;
3183 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3184 av_dict_free(&ts_scale);
3185 input_ts_offset = 0;
3187 for (i = 0; i < orig_nb_streams; i++)
3188 av_dict_free(&opts[i]);
3190 av_dict_free(&codec_names);
3196 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3197 AVCodecContext *avctx)
3203 for (p = kf; *p; p++)
3206 ost->forced_kf_count = n;
3207 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3208 if (!ost->forced_kf_pts) {
3209 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3212 for (i = 0; i < n; i++) {
3213 p = i ? strchr(p, ',') + 1 : kf;
3214 t = parse_time_or_die("force_key_frames", p, 1);
3215 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3219 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3222 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3223 int idx = oc->nb_streams - 1;
3226 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3230 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3231 nb_output_streams + 1);
3232 ost = &output_streams[nb_output_streams - 1];
3233 ost->file_index = nb_output_files;
3236 st->codec->codec_type = type;
3237 ost->enc = choose_codec(oc, st, type, codec_names);
3239 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3242 avcodec_get_context_defaults3(st->codec, ost->enc);
3243 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3245 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3249 static OutputStream *new_video_stream(AVFormatContext *oc)
3253 AVCodecContext *video_enc;
3255 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3257 if (!st->stream_copy) {
3258 ost->frame_aspect_ratio = frame_aspect_ratio;
3259 frame_aspect_ratio = 0;
3261 ost->avfilter = vfilters;
3266 ost->bitstream_filters = video_bitstream_filters;
3267 video_bitstream_filters= NULL;
3269 st->codec->thread_count= thread_count;
3271 video_enc = st->codec;
3274 video_enc->codec_tag= video_codec_tag;
3276 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3277 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3280 if (st->stream_copy) {
3281 video_enc->sample_aspect_ratio =
3282 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3288 ost->frame_rate = frame_rate;
3290 video_enc->width = frame_width;
3291 video_enc->height = frame_height;
3292 video_enc->pix_fmt = frame_pix_fmt;
3293 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3294 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3296 if (video_qscale || same_quant) {
3297 video_enc->flags |= CODEC_FLAG_QSCALE;
3298 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3302 video_enc->intra_matrix = intra_matrix;
3304 video_enc->inter_matrix = inter_matrix;
3306 p= video_rc_override_string;
3309 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3311 fprintf(stderr, "error parsing rc_override\n");
3314 video_enc->rc_override=
3315 av_realloc(video_enc->rc_override,
3316 sizeof(RcOverride)*(i+1));
3317 video_enc->rc_override[i].start_frame= start;
3318 video_enc->rc_override[i].end_frame = end;
3320 video_enc->rc_override[i].qscale= q;
3321 video_enc->rc_override[i].quality_factor= 1.0;
3324 video_enc->rc_override[i].qscale= 0;
3325 video_enc->rc_override[i].quality_factor= -q/100.0;
3330 video_enc->rc_override_count=i;
3331 if (!video_enc->rc_initial_buffer_occupancy)
3332 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3333 video_enc->me_threshold= me_threshold;
3334 video_enc->intra_dc_precision= intra_dc_precision - 8;
3337 video_enc->flags|= CODEC_FLAG_PSNR;
3342 video_enc->flags |= CODEC_FLAG_PASS1;
3344 video_enc->flags |= CODEC_FLAG_PASS2;
3348 if (forced_key_frames)
3349 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3351 if (video_language) {
3352 av_dict_set(&st->metadata, "language", video_language, 0);
3353 av_freep(&video_language);
3356 /* reset some key parameters */
3358 av_freep(&forced_key_frames);
3359 frame_pix_fmt = PIX_FMT_NONE;
3363 static OutputStream *new_audio_stream(AVFormatContext *oc)
3367 AVCodecContext *audio_enc;
3369 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3372 ost->bitstream_filters = audio_bitstream_filters;
3373 audio_bitstream_filters= NULL;
3375 st->codec->thread_count= thread_count;
3377 audio_enc = st->codec;
3378 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3381 audio_enc->codec_tag= audio_codec_tag;
3383 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3384 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3386 if (!st->stream_copy) {
3387 if (audio_qscale > QSCALE_NONE) {
3388 audio_enc->flags |= CODEC_FLAG_QSCALE;
3389 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3392 audio_enc->channels = audio_channels;
3393 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3394 audio_enc->sample_fmt = audio_sample_fmt;
3395 if (audio_sample_rate)
3396 audio_enc->sample_rate = audio_sample_rate;
3398 if (audio_language) {
3399 av_dict_set(&st->metadata, "language", audio_language, 0);
3400 av_freep(&audio_language);
3403 /* reset some key parameters */
3409 static OutputStream *new_data_stream(AVFormatContext *oc)
3413 AVCodecContext *data_enc;
3415 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3417 data_enc = st->codec;
3418 if (!st->stream_copy) {
3419 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3424 data_enc->codec_tag= data_codec_tag;
3426 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3427 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3434 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3438 AVCodecContext *subtitle_enc;
3440 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3442 subtitle_enc = st->codec;
3444 ost->bitstream_filters = subtitle_bitstream_filters;
3445 subtitle_bitstream_filters= NULL;
3447 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3449 if(subtitle_codec_tag)
3450 subtitle_enc->codec_tag= subtitle_codec_tag;
3452 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3453 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3456 if (subtitle_language) {
3457 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3458 av_freep(&subtitle_language);
3461 subtitle_disable = 0;
3465 /* arg format is "output-stream-index:streamid-value". */
3466 static int opt_streamid(const char *opt, const char *arg)
3472 av_strlcpy(idx_str, arg, sizeof(idx_str));
3473 p = strchr(idx_str, ':');
3476 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3481 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3482 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3483 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3487 static int copy_chapters(int infile, int outfile)
3489 AVFormatContext *is = input_files[infile].ctx;
3490 AVFormatContext *os = output_files[outfile].ctx;
3493 for (i = 0; i < is->nb_chapters; i++) {
3494 AVChapter *in_ch = is->chapters[i], *out_ch;
3495 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3496 AV_TIME_BASE_Q, in_ch->time_base);
3497 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3498 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3501 if (in_ch->end < ts_off)
3503 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3506 out_ch = av_mallocz(sizeof(AVChapter));
3508 return AVERROR(ENOMEM);
3510 out_ch->id = in_ch->id;
3511 out_ch->time_base = in_ch->time_base;
3512 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3513 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3515 if (metadata_chapters_autocopy)
3516 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3519 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3521 return AVERROR(ENOMEM);
3522 os->chapters[os->nb_chapters - 1] = out_ch;
3527 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3530 AVFormatContext *ic = NULL;
3532 err = avformat_open_input(&ic, filename, NULL, NULL);
3535 /* copy stream format */
3536 for(i=0;i<ic->nb_streams;i++) {
3541 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3542 ost = new_output_stream(s, codec->type);
3545 // FIXME: a more elegant solution is needed
3546 memcpy(st, ic->streams[i], sizeof(AVStream));
3547 st->info = av_malloc(sizeof(*st->info));
3548 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3549 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3551 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3552 choose_sample_fmt(st, codec);
3553 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3554 choose_pixel_fmt(st, codec);
3557 av_close_input_file(ic);
3561 static int opt_output_file(const char *opt, const char *filename)
3563 AVFormatContext *oc;
3565 AVOutputFormat *file_oformat;
3569 if (!strcmp(filename, "-"))
3572 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3573 last_asked_format = NULL;
3575 print_error(filename, err);
3579 file_oformat= oc->oformat;
3581 if (!strcmp(file_oformat->name, "ffm") &&
3582 av_strstart(filename, "http:", NULL)) {
3583 /* special case for files sent to ffserver: we get the stream
3584 parameters from ffserver */
3585 int err = read_ffserver_streams(oc, filename);
3587 print_error(filename, err);
3590 } else if (!nb_stream_maps) {
3591 /* pick the "best" stream of each type */
3592 #define NEW_STREAM(type, index)\
3594 ost = new_ ## type ## _stream(oc);\
3595 ost->source_index = index;\
3596 ost->sync_ist = &input_streams[index];\
3597 input_streams[index].discard = 0;\
3600 /* video: highest resolution */
3601 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3602 int area = 0, idx = -1;
3603 for (i = 0; i < nb_input_streams; i++) {
3604 ist = &input_streams[i];
3605 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3606 ist->st->codec->width * ist->st->codec->height > area) {
3607 area = ist->st->codec->width * ist->st->codec->height;
3611 NEW_STREAM(video, idx);
3614 /* audio: most channels */
3615 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3616 int channels = 0, idx = -1;
3617 for (i = 0; i < nb_input_streams; i++) {
3618 ist = &input_streams[i];
3619 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3620 ist->st->codec->channels > channels) {
3621 channels = ist->st->codec->channels;
3625 NEW_STREAM(audio, idx);
3628 /* subtitles: pick first */
3629 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3630 for (i = 0; i < nb_input_streams; i++)
3631 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3632 NEW_STREAM(subtitle, i);
3636 /* do something with data? */
3638 for (i = 0; i < nb_stream_maps; i++) {
3639 StreamMap *map = &stream_maps[i];
3644 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3645 switch (ist->st->codec->codec_type) {
3646 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3647 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3648 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3649 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3651 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3652 map->file_index, map->stream_index);
3656 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3657 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3658 map->sync_stream_index];
3663 av_dict_copy(&oc->metadata, metadata, 0);
3664 av_dict_free(&metadata);
3667 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3668 output_files[nb_output_files - 1].ctx = oc;
3669 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3670 output_files[nb_output_files - 1].recording_time = recording_time;
3671 output_files[nb_output_files - 1].start_time = start_time;
3672 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3673 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3675 /* check filename in case of an image number is expected */
3676 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3677 if (!av_filename_number_test(oc->filename)) {
3678 print_error(oc->filename, AVERROR(EINVAL));
3683 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3684 /* test if it already exists to avoid loosing precious files */
3685 if (!file_overwrite &&
3686 (strchr(filename, ':') == NULL ||
3687 filename[1] == ':' ||
3688 av_strstart(filename, "file:", NULL))) {
3689 if (avio_check(filename, 0) == 0) {
3691 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3693 if (!read_yesno()) {
3694 fprintf(stderr, "Not overwriting - exiting\n");
3699 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3706 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3707 print_error(filename, err);
3712 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3713 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3716 if (chapters_input_file >= nb_input_files) {
3717 if (chapters_input_file == INT_MAX) {
3718 /* copy chapters from the first input file that has them*/
3719 chapters_input_file = -1;
3720 for (i = 0; i < nb_input_files; i++)
3721 if (input_files[i].ctx->nb_chapters) {
3722 chapters_input_file = i;
3726 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3727 chapters_input_file);
3731 if (chapters_input_file >= 0)
3732 copy_chapters(chapters_input_file, nb_output_files - 1);
3735 for (i = 0; i < nb_meta_data_maps; i++) {
3736 AVFormatContext *files[2];
3737 AVDictionary **meta[2];
3740 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3741 if ((index) < 0 || (index) >= (nb_elems)) {\
3742 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3747 int in_file_index = meta_data_maps[i][1].file;
3748 if (in_file_index < 0)
3750 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3753 files[1] = input_files[in_file_index].ctx;
3755 for (j = 0; j < 2; j++) {
3756 MetadataMap *map = &meta_data_maps[i][j];
3758 switch (map->type) {
3760 meta[j] = &files[j]->metadata;
3763 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3764 meta[j] = &files[j]->streams[map->index]->metadata;
3767 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3768 meta[j] = &files[j]->chapters[map->index]->metadata;
3771 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3772 meta[j] = &files[j]->programs[map->index]->metadata;
3777 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3780 /* copy global metadata by default */
3781 if (metadata_global_autocopy && nb_input_files)
3782 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3783 AV_DICT_DONT_OVERWRITE);
3784 if (metadata_streams_autocopy)
3785 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3786 InputStream *ist = &input_streams[output_streams[i].source_index];
3787 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3790 frame_rate = (AVRational){0, 0};
3793 audio_sample_rate = 0;
3795 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3796 chapters_input_file = INT_MAX;
3797 recording_time = INT64_MAX;
3799 limit_filesize = UINT64_MAX;
3801 av_freep(&meta_data_maps);
3802 nb_meta_data_maps = 0;
3803 metadata_global_autocopy = 1;
3804 metadata_streams_autocopy = 1;
3805 metadata_chapters_autocopy = 1;
3806 av_freep(&stream_maps);
3808 av_freep(&streamid_map);
3809 nb_streamid_map = 0;
3811 av_dict_free(&codec_names);
3813 av_freep(&forced_key_frames);
3819 /* same option as mencoder */
3820 static int opt_pass(const char *opt, const char *arg)
3822 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3826 static int64_t getutime(void)
3829 struct rusage rusage;
3831 getrusage(RUSAGE_SELF, &rusage);
3832 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3833 #elif HAVE_GETPROCESSTIMES
3835 FILETIME c, e, k, u;
3836 proc = GetCurrentProcess();
3837 GetProcessTimes(proc, &c, &e, &k, &u);
3838 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3840 return av_gettime();
3844 static int64_t getmaxrss(void)
3846 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3847 struct rusage rusage;
3848 getrusage(RUSAGE_SELF, &rusage);
3849 return (int64_t)rusage.ru_maxrss * 1024;
3850 #elif HAVE_GETPROCESSMEMORYINFO
3852 PROCESS_MEMORY_COUNTERS memcounters;
3853 proc = GetCurrentProcess();
3854 memcounters.cb = sizeof(memcounters);
3855 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3856 return memcounters.PeakPagefileUsage;
3862 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3865 const char *p = str;
3872 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3879 static int opt_inter_matrix(const char *opt, const char *arg)
3881 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3882 parse_matrix_coeffs(inter_matrix, arg);
3886 static int opt_intra_matrix(const char *opt, const char *arg)
3888 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3889 parse_matrix_coeffs(intra_matrix, arg);
3893 static void show_usage(void)
3895 printf("Hyper fast Audio and Video encoder\n");
3896 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3900 static int opt_help(const char *opt, const char *arg)
3903 AVOutputFormat *oformat = NULL;
3904 AVInputFormat *iformat = NULL;
3906 av_log_set_callback(log_callback_help);
3908 show_help_options(options, "Main options:\n",
3909 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3910 show_help_options(options, "\nAdvanced options:\n",
3911 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3913 show_help_options(options, "\nVideo options:\n",
3914 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3916 show_help_options(options, "\nAdvanced Video options:\n",
3917 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3918 OPT_VIDEO | OPT_EXPERT);
3919 show_help_options(options, "\nAudio options:\n",
3920 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3922 show_help_options(options, "\nAdvanced Audio options:\n",
3923 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3924 OPT_AUDIO | OPT_EXPERT);
3925 show_help_options(options, "\nSubtitle options:\n",
3926 OPT_SUBTITLE | OPT_GRAB,
3928 show_help_options(options, "\nAudio/Video grab options:\n",
3932 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3935 /* individual codec options */
3937 while ((c = av_codec_next(c))) {
3938 if (c->priv_class) {
3939 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3944 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3947 /* individual muxer options */
3948 while ((oformat = av_oformat_next(oformat))) {
3949 if (oformat->priv_class) {
3950 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3955 /* individual demuxer options */
3956 while ((iformat = av_iformat_next(iformat))) {
3957 if (iformat->priv_class) {
3958 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3963 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3967 static int opt_target(const char *opt, const char *arg)
3969 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3970 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3972 if(!strncmp(arg, "pal-", 4)) {
3975 } else if(!strncmp(arg, "ntsc-", 5)) {
3978 } else if(!strncmp(arg, "film-", 5)) {
3983 /* Calculate FR via float to avoid int overflow */
3984 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3987 } else if((fr == 29970) || (fr == 23976)) {
3990 /* Try to determine PAL/NTSC by peeking in the input files */
3991 if(nb_input_files) {
3993 for (j = 0; j < nb_input_files; j++) {
3994 for (i = 0; i < input_files[j].nb_streams; i++) {
3995 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3996 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3998 fr = c->time_base.den * 1000 / c->time_base.num;
4002 } else if((fr == 29970) || (fr == 23976)) {
4012 if(verbose > 0 && norm != UNKNOWN)
4013 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4016 if(norm == UNKNOWN) {
4017 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4018 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4019 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4023 if(!strcmp(arg, "vcd")) {
4024 opt_codec("c:v", "mpeg1video");
4025 opt_codec("c:a", "mp2");
4026 opt_format("f", "vcd");
4028 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4029 opt_frame_rate("r", frame_rates[norm]);
4030 opt_default("g", norm == PAL ? "15" : "18");
4032 opt_default("b", "1150000");
4033 opt_default("maxrate", "1150000");
4034 opt_default("minrate", "1150000");
4035 opt_default("bufsize", "327680"); // 40*1024*8;
4037 opt_default("b:a", "224000");
4038 audio_sample_rate = 44100;
4041 opt_default("packetsize", "2324");
4042 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4044 /* We have to offset the PTS, so that it is consistent with the SCR.
4045 SCR starts at 36000, but the first two packs contain only padding
4046 and the first pack from the other stream, respectively, may also have
4047 been written before.
4048 So the real data starts at SCR 36000+3*1200. */
4049 mux_preload= (36000+3*1200) / 90000.0; //0.44
4050 } else if(!strcmp(arg, "svcd")) {
4052 opt_codec("c:v", "mpeg2video");
4053 opt_codec("c:a", "mp2");
4054 opt_format("f", "svcd");
4056 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4057 opt_frame_rate("r", frame_rates[norm]);
4058 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4059 opt_default("g", norm == PAL ? "15" : "18");
4061 opt_default("b", "2040000");
4062 opt_default("maxrate", "2516000");
4063 opt_default("minrate", "0"); //1145000;
4064 opt_default("bufsize", "1835008"); //224*1024*8;
4065 opt_default("flags", "+scan_offset");
4068 opt_default("b:a", "224000");
4069 audio_sample_rate = 44100;
4071 opt_default("packetsize", "2324");
4073 } else if(!strcmp(arg, "dvd")) {
4075 opt_codec("c:v", "mpeg2video");
4076 opt_codec("c:a", "ac3");
4077 opt_format("f", "dvd");
4079 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4080 opt_frame_rate("r", frame_rates[norm]);
4081 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4082 opt_default("g", norm == PAL ? "15" : "18");
4084 opt_default("b", "6000000");
4085 opt_default("maxrate", "9000000");
4086 opt_default("minrate", "0"); //1500000;
4087 opt_default("bufsize", "1835008"); //224*1024*8;
4089 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4090 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4092 opt_default("b:a", "448000");
4093 audio_sample_rate = 48000;
4095 } else if(!strncmp(arg, "dv", 2)) {
4097 opt_format("f", "dv");
4099 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4100 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4101 norm == PAL ? "yuv420p" : "yuv411p");
4102 opt_frame_rate("r", frame_rates[norm]);
4104 audio_sample_rate = 48000;
4108 fprintf(stderr, "Unknown target: %s\n", arg);
4109 return AVERROR(EINVAL);
4114 static int opt_vstats_file(const char *opt, const char *arg)
4116 av_free (vstats_filename);
4117 vstats_filename=av_strdup (arg);
4121 static int opt_vstats(const char *opt, const char *arg)
4124 time_t today2 = time(NULL);
4125 struct tm *today = localtime(&today2);
4127 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4129 return opt_vstats_file(opt, filename);
4132 static int opt_bsf(const char *opt, const char *arg)
4134 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4135 AVBitStreamFilterContext **bsfp;
4138 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4142 bsfp= *opt == 'v' ? &video_bitstream_filters :
4143 *opt == 'a' ? &audio_bitstream_filters :
4144 &subtitle_bitstream_filters;
4146 bsfp= &(*bsfp)->next;
4153 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4157 static int opt_passlogfile(const char *opt, const char *arg)
4159 pass_logfilename_prefix = arg;
4160 #if CONFIG_LIBX264_ENCODER
4161 return opt_default("passlogfile", arg);
4167 static const OptionDef options[] = {
4169 #include "cmdutils_common_opts.h"
4170 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4171 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4172 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4173 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4174 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4175 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4176 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4177 "outfile[,metadata]:infile[,metadata]" },
4178 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4179 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4180 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4181 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4182 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4183 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4184 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4185 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4186 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4187 "add timings for benchmarking" },
4188 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4189 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4190 "dump each input packet" },
4191 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4192 "when dumping packets, also dump the payload" },
4193 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4194 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4195 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4196 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4197 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4198 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4199 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4200 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4201 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4202 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4203 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4204 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4205 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4206 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4209 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4210 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4211 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4212 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4213 { "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" },
4214 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
4215 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4216 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4217 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4218 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4219 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4220 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4221 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4222 "use same quantizer as source (implies VBR)" },
4223 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4224 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4225 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4226 "deinterlace pictures" },
4227 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4228 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4229 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4231 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4233 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4234 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4235 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4236 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4237 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4238 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4239 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4240 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4241 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4242 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4245 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4246 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4247 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4248 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4249 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4250 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4251 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4252 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4253 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4254 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
4256 /* subtitle options */
4257 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4258 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4259 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4260 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4263 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4266 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4267 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4269 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4270 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4271 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4273 /* data codec support */
4274 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4276 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4280 int main(int argc, char **argv)
4284 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4286 if(argc>1 && !strcmp(argv[1], "-d")){
4289 av_log_set_callback(log_callback_null);
4294 avcodec_register_all();
4296 avdevice_register_all();
4299 avfilter_register_all();
4304 if(isatty(STDIN_FILENO))
4305 avio_set_interrupt_cb(decode_interrupt_cb);
4314 parse_options(argc, argv, options, opt_output_file);
4316 if(nb_output_files <= 0 && nb_input_files == 0) {
4318 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4322 /* file converter / grab */
4323 if (nb_output_files <= 0) {
4324 fprintf(stderr, "At least one output file must be specified\n");
4328 if (nb_input_files == 0) {
4329 fprintf(stderr, "At least one input file must be specified\n");
4334 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4336 ti = getutime() - ti;
4338 int maxrss = getmaxrss() / 1024;
4339 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4342 return exit_program(0);