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
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcore/parseutils.h"
40 #include "libavutil/colorspace.h"
41 #include "libavutil/fifo.h"
42 #include "libavutil/pixdesc.h"
43 #include "libavutil/avstring.h"
44 #include "libavutil/libm.h"
45 #include "libavformat/os_support.h"
48 # include "libavfilter/avfilter.h"
49 # include "libavfilter/avfiltergraph.h"
50 # include "libavfilter/graphparser.h"
51 # include "libavfilter/vsrc_buffer.h"
54 #if HAVE_SYS_RESOURCE_H
55 #include <sys/types.h>
57 #include <sys/resource.h>
58 #elif HAVE_GETPROCESSTIMES
61 #if HAVE_GETPROCESSMEMORYINFO
67 #include <sys/select.h>
72 #include <sys/ioctl.h>
82 #include "libavutil/avassert.h"
84 const char program_name[] = "FFmpeg";
85 const int program_birth_year = 2000;
87 /* select an input stream for an output stream */
88 typedef struct AVStreamMap {
92 int sync_stream_index;
96 * select an input file for an output file
98 typedef struct AVMetaDataMap {
103 static const OptionDef options[];
105 #define MAX_FILES 100
106 #if !FF_API_MAX_STREAMS
107 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
110 static const char *last_asked_format = NULL;
111 static AVFormatContext *input_files[MAX_FILES];
112 static int64_t input_files_ts_offset[MAX_FILES];
113 static double *input_files_ts_scale[MAX_FILES] = {NULL};
114 static AVCodec **input_codecs = NULL;
115 static int nb_input_files = 0;
116 static int nb_input_codecs = 0;
117 static int nb_input_files_ts_scale[MAX_FILES] = {0};
119 static AVFormatContext *output_files[MAX_FILES];
120 static AVCodec **output_codecs = NULL;
121 static int nb_output_files = 0;
122 static int nb_output_codecs = 0;
124 static AVStreamMap *stream_maps = NULL;
125 static int nb_stream_maps;
127 static AVMetaDataMap meta_data_maps[MAX_FILES];
128 static int nb_meta_data_maps;
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 enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
139 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
140 static AVRational frame_rate;
141 static float video_qscale = 0;
142 static uint16_t *intra_matrix = NULL;
143 static uint16_t *inter_matrix = NULL;
144 static const char *video_rc_override_string=NULL;
145 static int video_disable = 0;
146 static int video_discard = 0;
147 static char *video_codec_name = NULL;
148 static unsigned int video_codec_tag = 0;
149 static char *video_language = NULL;
150 static int same_quality = 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 loop_input = 0;
156 static int loop_output = AVFMT_NOOUTPUTLOOP;
157 static int qp_hist = 0;
159 static char *vfilters = NULL;
160 AVFilterGraph *graph = NULL;
163 static int intra_only = 0;
164 static int audio_sample_rate = 44100;
165 static int64_t channel_layout = 0;
166 #define QSCALE_NONE -99999
167 static float audio_qscale = QSCALE_NONE;
168 static int audio_disable = 0;
169 static int audio_channels = 1;
170 static char *audio_codec_name = NULL;
171 static unsigned int audio_codec_tag = 0;
172 static char *audio_language = NULL;
174 static int subtitle_disable = 0;
175 static char *subtitle_codec_name = NULL;
176 static char *subtitle_language = NULL;
177 static unsigned int subtitle_codec_tag = 0;
179 static float mux_preload= 0.5;
180 static float mux_max_delay= 0.7;
182 static int64_t recording_time = INT64_MAX;
183 static int64_t start_time = 0;
184 static int64_t recording_timestamp = 0;
185 static int64_t input_ts_offset = 0;
186 static int file_overwrite = 0;
187 static AVMetadata *metadata;
188 static int do_benchmark = 0;
189 static int do_hex_dump = 0;
190 static int do_pkt_dump = 0;
191 static int do_psnr = 0;
192 static int do_pass = 0;
193 static char *pass_logfilename_prefix = NULL;
194 static int audio_stream_copy = 0;
195 static int video_stream_copy = 0;
196 static int subtitle_stream_copy = 0;
197 static int video_sync_method= -1;
198 static int audio_sync_method= 0;
199 static float audio_drift_threshold= 0.1;
200 static int copy_ts= 0;
201 static int opt_shortest = 0;
202 static int video_global_header = 0;
203 static char *vstats_filename;
204 static FILE *vstats_file;
205 static int opt_programid = 0;
206 static int copy_initial_nonkeyframes = 0;
208 static int rate_emu = 0;
210 static int video_channel = 0;
211 static char *video_standard;
213 static int audio_volume = 256;
215 static int exit_on_error = 0;
216 static int using_stdin = 0;
217 static int verbose = 1;
218 static int thread_count= 1;
219 static int q_pressed = 0;
220 static int64_t video_size = 0;
221 static int64_t audio_size = 0;
222 static int64_t extra_size = 0;
223 static int nb_frames_dup = 0;
224 static int nb_frames_drop = 0;
225 static int input_sync;
226 static uint64_t limit_filesize = 0;
227 static int force_fps = 0;
228 static char *forced_key_frames = NULL;
230 static int pgmyuv_compatibility_hack=0;
231 static float dts_delta_threshold = 10;
233 static unsigned int sws_flags = SWS_BICUBIC;
235 static int64_t timer_start;
237 static uint8_t *audio_buf;
238 static uint8_t *audio_out;
239 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
241 static short *samples;
243 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
244 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
245 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
247 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
249 struct AVInputStream;
251 typedef struct AVOutputStream {
252 int file_index; /* file index */
253 int index; /* stream index in the output file */
254 int source_index; /* AVInputStream index */
255 AVStream *st; /* stream in the output file */
256 int encoding_needed; /* true if encoding needed for this stream */
258 /* input pts and corresponding output pts
260 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
261 struct AVInputStream *sync_ist; /* input stream to sync against */
262 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
263 AVBitStreamFilterContext *bitstream_filters;
266 AVFrame pict_tmp; /* temporary image for resampling */
267 struct SwsContext *img_resample_ctx; /* for image resampling */
270 int resample_pix_fmt;
272 /* full frame size of first frame */
276 /* forced key frames */
277 int64_t *forced_kf_pts;
283 ReSampleContext *resample; /* for audio resampling */
285 AVAudioConvert *reformat_ctx;
286 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
290 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
291 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
293 typedef struct AVInputStream {
297 int discard; /* true if stream data should be discarded */
298 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
299 int64_t sample_index; /* current sample */
301 int64_t start; /* time when read started */
302 int64_t next_pts; /* synthetic pts for cases where pkt.pts
304 int64_t pts; /* current pts */
305 PtsCorrectionContext pts_ctx;
306 int is_start; /* is 1 at the start and after a discontinuity */
307 int showed_multi_packet_warning;
308 int is_past_recording_time;
310 AVFilterContext *output_video_filter;
311 AVFilterContext *input_video_filter;
312 AVFrame *filter_frame;
313 int has_filter_frame;
314 AVFilterBufferRef *picref;
318 typedef struct AVInputFile {
319 int eof_reached; /* true if eof reached */
320 int ist_index; /* index of first stream in ist_table */
321 int buffer_size; /* current total buffer size */
322 int nb_streams; /* nb streams we are aware of */
327 /* init terminal so that we can grab keys */
328 static struct termios oldtty;
333 static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
335 AVFilterContext *last_filter, *filter;
336 /** filter graph containing all filters including input & output */
337 AVCodecContext *codec = ost->st->codec;
338 AVCodecContext *icodec = ist->st->codec;
339 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
343 graph = av_mallocz(sizeof(AVFilterGraph));
345 if ((ret = avfilter_open(&ist->input_video_filter, avfilter_get_by_name("buffer"), "src")) < 0)
347 if ((ret = avfilter_open(&ist->output_video_filter, &ffsink, "out")) < 0)
350 snprintf(args, 255, "%d:%d:%d:%d:%d", ist->st->codec->width,
351 ist->st->codec->height, ist->st->codec->pix_fmt,
352 ist->st->time_base.num, ist->st->time_base.den);
353 if ((ret = avfilter_init_filter(ist->input_video_filter, args, NULL)) < 0)
355 if ((ret = avfilter_init_filter(ist->output_video_filter, NULL, &ffsink_ctx)) < 0)
358 /* add input and output filters to the overall graph */
359 avfilter_graph_add_filter(graph, ist->input_video_filter);
360 avfilter_graph_add_filter(graph, ist->output_video_filter);
362 last_filter = ist->input_video_filter;
364 if (codec->width != icodec->width || codec->height != icodec->height) {
365 snprintf(args, 255, "%d:%d:flags=0x%X",
368 (int)av_get_int(sws_opts, "sws_flags", NULL));
369 if ((ret = avfilter_open(&filter, avfilter_get_by_name("scale"), NULL)) < 0)
371 if ((ret = avfilter_init_filter(filter, args, NULL)) < 0)
373 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
375 last_filter = filter;
376 avfilter_graph_add_filter(graph, last_filter);
379 snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
380 graph->scale_sws_opts = av_strdup(args);
383 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
384 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
386 outputs->name = av_strdup("in");
387 outputs->filter = last_filter;
388 outputs->pad_idx = 0;
389 outputs->next = NULL;
391 inputs->name = av_strdup("out");
392 inputs->filter = ist->output_video_filter;
396 if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
400 if ((ret = avfilter_link(last_filter, 0, ist->output_video_filter, 0)) < 0)
404 if ((ret = avfilter_graph_config(graph, NULL)) < 0)
407 codec->width = ist->output_video_filter->inputs[0]->w;
408 codec->height = ist->output_video_filter->inputs[0]->h;
412 #endif /* CONFIG_AVFILTER */
414 static void term_exit(void)
416 av_log(NULL, AV_LOG_QUIET, "");
418 tcsetattr (0, TCSANOW, &oldtty);
422 static volatile int received_sigterm = 0;
425 sigterm_handler(int sig)
427 received_sigterm = sig;
431 static void term_init(void)
440 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
441 |INLCR|IGNCR|ICRNL|IXON);
442 tty.c_oflag |= OPOST;
443 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
444 tty.c_cflag &= ~(CSIZE|PARENB);
449 tcsetattr (0, TCSANOW, &tty);
450 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
453 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
454 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
456 signal(SIGXCPU, sigterm_handler);
460 /* read a key without blocking */
461 static int read_key(void)
473 n = select(1, &rfds, NULL, NULL, &tv);
488 static int decode_interrupt_cb(void)
490 return q_pressed || (q_pressed = read_key() == 'q');
493 static int ffmpeg_exit(int ret)
498 for(i=0;i<nb_output_files;i++) {
499 /* maybe av_close_output_file ??? */
500 AVFormatContext *s = output_files[i];
502 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
504 for(j=0;j<s->nb_streams;j++) {
505 av_metadata_free(&s->streams[j]->metadata);
506 av_free(s->streams[j]->codec);
507 av_free(s->streams[j]->info);
508 av_free(s->streams[j]);
510 for(j=0;j<s->nb_programs;j++) {
511 av_metadata_free(&s->programs[j]->metadata);
513 for(j=0;j<s->nb_chapters;j++) {
514 av_metadata_free(&s->chapters[j]->metadata);
516 av_metadata_free(&s->metadata);
518 av_free(output_streams_for_file[i]);
520 for(i=0;i<nb_input_files;i++) {
521 av_close_input_file(input_files[i]);
522 av_free(input_files_ts_scale[i]);
525 av_free(intra_matrix);
526 av_free(inter_matrix);
530 av_free(vstats_filename);
533 av_free(streamid_map);
534 av_free(input_codecs);
535 av_free(output_codecs);
536 av_free(stream_maps);
538 av_free(video_codec_name);
539 av_free(audio_codec_name);
540 av_free(subtitle_codec_name);
542 av_free(video_standard);
547 allocated_audio_buf_size= allocated_audio_out_size= 0;
554 if (received_sigterm) {
556 "Received signal %d: terminating.\n",
557 (int) received_sigterm);
561 exit(ret); /* not all OS-es handle main() return value */
565 /* similar to ff_dynarray_add() and av_fast_realloc() */
566 static void *grow_array(void *array, int elem_size, int *size, int new_size)
568 if (new_size >= INT_MAX / elem_size) {
569 fprintf(stderr, "Array too big.\n");
572 if (*size < new_size) {
573 uint8_t *tmp = av_realloc(array, new_size*elem_size);
575 fprintf(stderr, "Could not alloc buffer.\n");
578 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
585 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
587 if(codec && codec->sample_fmts){
588 const enum SampleFormat *p= codec->sample_fmts;
590 if(*p == st->codec->sample_fmt)
594 st->codec->sample_fmt = codec->sample_fmts[0];
598 static void choose_sample_rate(AVStream *st, AVCodec *codec)
600 if(codec && codec->supported_samplerates){
601 const int *p= codec->supported_samplerates;
603 int best_dist=INT_MAX;
605 int dist= abs(st->codec->sample_rate - *p);
606 if(dist < best_dist){
612 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
614 st->codec->sample_rate= best;
618 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
620 if(codec && codec->pix_fmts){
621 const enum PixelFormat *p= codec->pix_fmts;
623 if(*p == st->codec->pix_fmt)
627 && !( st->codec->codec_id==CODEC_ID_MJPEG
628 && st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL
629 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
630 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
631 st->codec->pix_fmt = codec->pix_fmts[0];
635 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
641 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
644 /* copy stream format */
645 s->nb_streams = ic->nb_streams;
646 for(i=0;i<ic->nb_streams;i++) {
650 // FIXME: a more elegant solution is needed
651 st = av_mallocz(sizeof(AVStream));
652 memcpy(st, ic->streams[i], sizeof(AVStream));
653 st->codec = avcodec_alloc_context();
655 print_error(filename, AVERROR(ENOMEM));
658 avcodec_copy_context(st->codec, ic->streams[i]->codec);
661 codec = avcodec_find_encoder(st->codec->codec_id);
662 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
663 if (audio_stream_copy) {
666 choose_sample_fmt(st, codec);
667 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
668 if (video_stream_copy) {
671 choose_pixel_fmt(st, codec);
674 if(!st->codec->thread_count)
675 st->codec->thread_count = 1;
676 if(st->codec->thread_count>1)
677 avcodec_thread_init(st->codec, st->codec->thread_count);
679 if(st->codec->flags & CODEC_FLAG_BITEXACT)
684 s->timestamp = av_gettime();
686 av_close_input_file(ic);
691 get_sync_ipts(const AVOutputStream *ost)
693 const AVInputStream *ist = ost->sync_ist;
694 return (double)(ist->pts - start_time)/AV_TIME_BASE;
697 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
701 AVPacket new_pkt= *pkt;
702 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
703 &new_pkt.data, &new_pkt.size,
704 pkt->data, pkt->size,
705 pkt->flags & AV_PKT_FLAG_KEY);
708 new_pkt.destruct= av_destruct_packet;
710 fprintf(stderr, "%s failed for stream %d, codec %s",
711 bsfc->filter->name, pkt->stream_index,
712 avctx->codec ? avctx->codec->name : "copy");
722 ret= av_interleaved_write_frame(s, pkt);
724 print_error("av_interleaved_write_frame()", ret);
729 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
731 static void do_audio_out(AVFormatContext *s,
734 unsigned char *buf, int size)
737 int64_t audio_out_size, audio_buf_size;
738 int64_t allocated_for_size= size;
740 int size_out, frame_bytes, ret;
741 AVCodecContext *enc= ost->st->codec;
742 AVCodecContext *dec= ist->st->codec;
743 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
744 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
745 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
748 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
749 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
750 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
751 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
752 audio_buf_size*= osize*enc->channels;
754 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
755 if(coded_bps > 8*osize)
756 audio_out_size= audio_out_size * coded_bps / (8*osize);
757 audio_out_size += FF_MIN_BUFFER_SIZE;
759 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
760 fprintf(stderr, "Buffer sizes too large\n");
764 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
765 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
766 if (!audio_buf || !audio_out){
767 fprintf(stderr, "Out of memory in do_audio_out\n");
771 if (enc->channels != dec->channels)
772 ost->audio_resample = 1;
774 if (ost->audio_resample && !ost->resample) {
775 if (dec->sample_fmt != SAMPLE_FMT_S16)
776 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
777 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
778 enc->sample_rate, dec->sample_rate,
779 enc->sample_fmt, dec->sample_fmt,
781 if (!ost->resample) {
782 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
783 dec->channels, dec->sample_rate,
784 enc->channels, enc->sample_rate);
789 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
790 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
791 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
792 if (ost->reformat_ctx)
793 av_audio_convert_free(ost->reformat_ctx);
794 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
795 dec->sample_fmt, 1, NULL, 0);
796 if (!ost->reformat_ctx) {
797 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
798 avcodec_get_sample_fmt_name(dec->sample_fmt),
799 avcodec_get_sample_fmt_name(enc->sample_fmt));
802 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
805 if(audio_sync_method){
806 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
807 - av_fifo_size(ost->fifo)/(enc->channels * 2);
808 double idelta= delta*dec->sample_rate / enc->sample_rate;
809 int byte_delta= ((int)idelta)*2*dec->channels;
811 //FIXME resample delay
812 if(fabs(delta) > 50){
813 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
815 byte_delta= FFMAX(byte_delta, -size);
819 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
824 static uint8_t *input_tmp= NULL;
825 input_tmp= av_realloc(input_tmp, byte_delta + size);
827 if(byte_delta > allocated_for_size - size){
828 allocated_for_size= byte_delta + (int64_t)size;
833 memset(input_tmp, 0, byte_delta);
834 memcpy(input_tmp + byte_delta, buf, size);
838 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
840 }else if(audio_sync_method>1){
841 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
842 av_assert0(ost->audio_resample);
844 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
845 // 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));
846 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
850 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
851 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
853 if (ost->audio_resample) {
855 size_out = audio_resample(ost->resample,
856 (short *)buftmp, (short *)buf,
857 size / (dec->channels * isize));
858 size_out = size_out * enc->channels * osize;
864 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
865 const void *ibuf[6]= {buftmp};
866 void *obuf[6]= {audio_buf};
867 int istride[6]= {isize};
868 int ostride[6]= {osize};
869 int len= size_out/istride[0];
870 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
871 printf("av_audio_convert() failed\n");
877 size_out = len*osize;
880 /* now encode as many frames as possible */
881 if (enc->frame_size > 1) {
882 /* output resampled raw samples */
883 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
884 fprintf(stderr, "av_fifo_realloc2() failed\n");
887 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
889 frame_bytes = enc->frame_size * osize * enc->channels;
891 while (av_fifo_size(ost->fifo) >= frame_bytes) {
893 av_init_packet(&pkt);
895 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
897 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
899 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
902 fprintf(stderr, "Audio encoding failed\n");
906 pkt.stream_index= ost->index;
909 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
910 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
911 pkt.flags |= AV_PKT_FLAG_KEY;
912 write_frame(s, &pkt, enc, ost->bitstream_filters);
914 ost->sync_opts += enc->frame_size;
918 av_init_packet(&pkt);
920 ost->sync_opts += size_out / (osize * enc->channels);
922 /* output a pcm frame */
923 /* determine the size of the coded buffer */
926 size_out = size_out*coded_bps/8;
928 if(size_out > audio_out_size){
929 fprintf(stderr, "Internal error, buffer size too small\n");
933 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
934 ret = avcodec_encode_audio(enc, audio_out, size_out,
937 fprintf(stderr, "Audio encoding failed\n");
941 pkt.stream_index= ost->index;
944 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
945 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
946 pkt.flags |= AV_PKT_FLAG_KEY;
947 write_frame(s, &pkt, enc, ost->bitstream_filters);
951 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
955 AVPicture picture_tmp;
958 dec = ist->st->codec;
960 /* deinterlace : must be done before any resize */
961 if (do_deinterlace) {
964 /* create temporary picture */
965 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
966 buf = av_malloc(size);
970 picture2 = &picture_tmp;
971 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
973 if(avpicture_deinterlace(picture2, picture,
974 dec->pix_fmt, dec->width, dec->height) < 0) {
975 /* if error, do not deinterlace */
976 fprintf(stderr, "Deinterlacing failed\n");
985 if (picture != picture2)
986 *picture = *picture2;
990 /* we begin to correct av delay at this threshold */
991 #define AV_DELAY_MAX 0.100
993 static void do_subtitle_out(AVFormatContext *s,
999 static uint8_t *subtitle_out = NULL;
1000 int subtitle_out_max_size = 1024 * 1024;
1001 int subtitle_out_size, nb, i;
1002 AVCodecContext *enc;
1005 if (pts == AV_NOPTS_VALUE) {
1006 fprintf(stderr, "Subtitle packets must have a pts\n");
1012 enc = ost->st->codec;
1014 if (!subtitle_out) {
1015 subtitle_out = av_malloc(subtitle_out_max_size);
1018 /* Note: DVB subtitle need one packet to draw them and one other
1019 packet to clear them */
1020 /* XXX: signal it in the codec context ? */
1021 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1026 for(i = 0; i < nb; i++) {
1027 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1028 // start_display_time is required to be 0
1029 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1030 sub->end_display_time -= sub->start_display_time;
1031 sub->start_display_time = 0;
1032 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1033 subtitle_out_max_size, sub);
1034 if (subtitle_out_size < 0) {
1035 fprintf(stderr, "Subtitle encoding failed\n");
1039 av_init_packet(&pkt);
1040 pkt.stream_index = ost->index;
1041 pkt.data = subtitle_out;
1042 pkt.size = subtitle_out_size;
1043 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1044 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1045 /* XXX: the pts correction is handled here. Maybe handling
1046 it in the codec would be better */
1048 pkt.pts += 90 * sub->start_display_time;
1050 pkt.pts += 90 * sub->end_display_time;
1052 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1056 static int bit_buffer_size= 1024*256;
1057 static uint8_t *bit_buffer= NULL;
1059 static void do_video_out(AVFormatContext *s,
1060 AVOutputStream *ost,
1062 AVFrame *in_picture,
1065 int nb_frames, i, ret;
1066 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1067 AVCodecContext *enc, *dec;
1070 enc = ost->st->codec;
1071 dec = ist->st->codec;
1073 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1075 /* by default, we output a single frame */
1080 if(video_sync_method){
1081 double vdelta = sync_ipts - ost->sync_opts;
1082 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1085 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1088 }else if(vdelta>0.6)
1089 ost->sync_opts= lrintf(sync_ipts);
1090 }else if (vdelta > 1.1)
1091 nb_frames = lrintf(vdelta);
1092 //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);
1093 if (nb_frames == 0){
1096 fprintf(stderr, "*** drop!\n");
1097 }else if (nb_frames > 1) {
1098 nb_frames_dup += nb_frames - 1;
1100 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1103 ost->sync_opts= lrintf(sync_ipts);
1105 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1109 formatted_picture = in_picture;
1110 final_picture = formatted_picture;
1111 padding_src = formatted_picture;
1112 resampling_dst = &ost->pict_tmp;
1114 if ( ost->resample_height != ist->st->codec->height
1115 || ost->resample_width != ist->st->codec->width
1116 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1118 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
1119 if(!ost->video_resample)
1123 #if !CONFIG_AVFILTER
1124 if (ost->video_resample) {
1126 final_picture = &ost->pict_tmp;
1127 if( ost->resample_height != ist->st->codec->height
1128 || ost->resample_width != ist->st->codec->width
1129 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1131 /* initialize a new scaler context */
1132 sws_freeContext(ost->img_resample_ctx);
1133 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1134 ost->img_resample_ctx = sws_getContext(
1135 ist->st->codec->width,
1136 ist->st->codec->height,
1137 ist->st->codec->pix_fmt,
1138 ost->st->codec->width,
1139 ost->st->codec->height,
1140 ost->st->codec->pix_fmt,
1141 sws_flags, NULL, NULL, NULL);
1142 if (ost->img_resample_ctx == NULL) {
1143 fprintf(stderr, "Cannot get resampling context\n");
1147 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1148 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1152 /* duplicates frame if needed */
1153 for(i=0;i<nb_frames;i++) {
1155 av_init_packet(&pkt);
1156 pkt.stream_index= ost->index;
1158 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1159 /* raw pictures are written as AVPicture structure to
1160 avoid any copies. We support temorarily the older
1162 AVFrame* old_frame = enc->coded_frame;
1163 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1164 pkt.data= (uint8_t *)final_picture;
1165 pkt.size= sizeof(AVPicture);
1166 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1167 pkt.flags |= AV_PKT_FLAG_KEY;
1169 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1170 enc->coded_frame = old_frame;
1172 AVFrame big_picture;
1174 big_picture= *final_picture;
1175 /* better than nothing: use input picture interlaced
1177 big_picture.interlaced_frame = in_picture->interlaced_frame;
1178 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1179 if(top_field_first == -1)
1180 big_picture.top_field_first = in_picture->top_field_first;
1182 big_picture.top_field_first = top_field_first;
1185 /* handles sameq here. This is not correct because it may
1186 not be a global option */
1187 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1189 big_picture.pict_type = 0;
1190 // big_picture.pts = AV_NOPTS_VALUE;
1191 big_picture.pts= ost->sync_opts;
1192 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1193 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1194 if (ost->forced_kf_index < ost->forced_kf_count &&
1195 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1196 big_picture.pict_type = FF_I_TYPE;
1197 ost->forced_kf_index++;
1199 ret = avcodec_encode_video(enc,
1200 bit_buffer, bit_buffer_size,
1203 fprintf(stderr, "Video encoding failed\n");
1208 pkt.data= bit_buffer;
1210 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1211 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1212 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1213 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1214 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1216 if(enc->coded_frame->key_frame)
1217 pkt.flags |= AV_PKT_FLAG_KEY;
1218 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1221 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1222 // enc->frame_number-1, ret, enc->pict_type);
1223 /* if two pass, output log */
1224 if (ost->logfile && enc->stats_out) {
1225 fprintf(ost->logfile, "%s", enc->stats_out);
1230 ost->frame_number++;
1234 static double psnr(double d){
1235 return -10.0*log(d)/log(10.0);
1238 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1241 AVCodecContext *enc;
1243 double ti1, bitrate, avg_bitrate;
1245 /* this is executed just the first time do_video_stats is called */
1247 vstats_file = fopen(vstats_filename, "w");
1254 enc = ost->st->codec;
1255 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1256 frame_number = ost->frame_number;
1257 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1258 if (enc->flags&CODEC_FLAG_PSNR)
1259 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1261 fprintf(vstats_file,"f_size= %6d ", frame_size);
1262 /* compute pts value */
1263 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1267 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1268 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1269 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1270 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1271 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1275 static void print_report(AVFormatContext **output_files,
1276 AVOutputStream **ost_table, int nb_ostreams,
1280 AVOutputStream *ost;
1281 AVFormatContext *oc;
1283 AVCodecContext *enc;
1284 int frame_number, vid, i;
1285 double bitrate, ti1, pts;
1286 static int64_t last_time = -1;
1287 static int qp_histogram[52];
1289 if (!is_last_report) {
1291 /* display the report every 0.5 seconds */
1292 cur_time = av_gettime();
1293 if (last_time == -1) {
1294 last_time = cur_time;
1297 if ((cur_time - last_time) < 500000)
1299 last_time = cur_time;
1303 oc = output_files[0];
1305 total_size = url_fsize(oc->pb);
1306 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1307 total_size= url_ftell(oc->pb);
1312 for(i=0;i<nb_ostreams;i++) {
1314 enc = ost->st->codec;
1315 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1316 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1317 !ost->st->stream_copy ?
1318 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1320 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1321 float t = (av_gettime()-timer_start) / 1000000.0;
1323 frame_number = ost->frame_number;
1324 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1325 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1326 !ost->st->stream_copy ?
1327 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1329 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1332 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1333 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1336 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1338 if (enc->flags&CODEC_FLAG_PSNR){
1340 double error, error_sum=0;
1341 double scale, scale_sum=0;
1342 char type[3]= {'Y','U','V'};
1343 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1346 error= enc->error[j];
1347 scale= enc->width*enc->height*255.0*255.0*frame_number;
1349 error= enc->coded_frame->error[j];
1350 scale= enc->width*enc->height*255.0*255.0;
1355 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1357 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1361 /* compute min output value */
1362 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1363 if ((pts < ti1) && (pts > 0))
1369 if (verbose || is_last_report) {
1370 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1372 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1373 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1374 (double)total_size / 1024, ti1, bitrate);
1376 if (nb_frames_dup || nb_frames_drop)
1377 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1378 nb_frames_dup, nb_frames_drop);
1381 fprintf(stderr, "%s \r", buf);
1386 if (is_last_report && verbose >= 0){
1387 int64_t raw= audio_size + video_size + extra_size;
1388 fprintf(stderr, "\n");
1389 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1393 100.0*(total_size - raw)/raw
1398 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1399 static int output_packet(AVInputStream *ist, int ist_index,
1400 AVOutputStream **ost_table, int nb_ostreams,
1401 const AVPacket *pkt)
1403 AVFormatContext *os;
1404 AVOutputStream *ost;
1408 void *buffer_to_free;
1409 static unsigned int samples_size= 0;
1410 AVSubtitle subtitle, *subtitle_to_free;
1411 int64_t pkt_pts = AV_NOPTS_VALUE;
1413 int frame_available;
1417 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1419 if(ist->next_pts == AV_NOPTS_VALUE)
1420 ist->next_pts= ist->pts;
1424 av_init_packet(&avpkt);
1432 if(pkt->dts != AV_NOPTS_VALUE)
1433 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1434 if(pkt->pts != AV_NOPTS_VALUE)
1435 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1437 //while we have more to decode or while the decoder did output something on EOF
1438 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1439 uint8_t *data_buf, *decoded_data_buf;
1440 int data_size, decoded_data_size;
1442 ist->pts= ist->next_pts;
1444 if(avpkt.size && avpkt.size != pkt->size &&
1445 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1446 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1447 ist->showed_multi_packet_warning=1;
1450 /* decode the packet if needed */
1451 decoded_data_buf = NULL; /* fail safe */
1452 decoded_data_size= 0;
1453 data_buf = avpkt.data;
1454 data_size = avpkt.size;
1455 subtitle_to_free = NULL;
1456 if (ist->decoding_needed) {
1457 switch(ist->st->codec->codec_type) {
1458 case AVMEDIA_TYPE_AUDIO:{
1459 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1460 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1462 samples= av_malloc(samples_size);
1464 decoded_data_size= samples_size;
1465 /* XXX: could avoid copy if PCM 16 bits with same
1466 endianness as CPU */
1467 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1474 /* Some bug in mpeg audio decoder gives */
1475 /* decoded_data_size < 0, it seems they are overflows */
1476 if (decoded_data_size <= 0) {
1477 /* no audio frame */
1480 decoded_data_buf = (uint8_t *)samples;
1481 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1482 (ist->st->codec->sample_rate * ist->st->codec->channels);
1484 case AVMEDIA_TYPE_VIDEO:
1485 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1486 /* XXX: allocate picture correctly */
1487 avcodec_get_frame_defaults(&picture);
1488 ist->st->codec->reordered_opaque = pkt_pts;
1489 pkt_pts = AV_NOPTS_VALUE;
1491 ret = avcodec_decode_video2(ist->st->codec,
1492 &picture, &got_picture, &avpkt);
1493 ist->st->quality= picture.quality;
1497 /* no picture yet */
1498 goto discard_packet;
1500 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.reordered_opaque, ist->pts);
1501 if (ist->st->codec->time_base.num != 0) {
1502 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1503 ist->next_pts += ((int64_t)AV_TIME_BASE *
1504 ist->st->codec->time_base.num * ticks) /
1505 ist->st->codec->time_base.den;
1509 case AVMEDIA_TYPE_SUBTITLE:
1510 ret = avcodec_decode_subtitle2(ist->st->codec,
1511 &subtitle, &got_picture, &avpkt);
1515 goto discard_packet;
1517 subtitle_to_free = &subtitle;
1524 switch(ist->st->codec->codec_type) {
1525 case AVMEDIA_TYPE_AUDIO:
1526 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1527 ist->st->codec->sample_rate;
1529 case AVMEDIA_TYPE_VIDEO:
1530 if (ist->st->codec->time_base.num != 0) {
1531 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1532 ist->next_pts += ((int64_t)AV_TIME_BASE *
1533 ist->st->codec->time_base.num * ticks) /
1534 ist->st->codec->time_base.den;
1542 buffer_to_free = NULL;
1543 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1544 pre_process_video_frame(ist, (AVPicture *)&picture,
1549 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1550 // add it to be filtered
1551 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1553 ist->st->codec->sample_aspect_ratio);
1557 // preprocess audio (volume)
1558 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1559 if (audio_volume != 256) {
1562 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1563 int v = ((*volp) * audio_volume + 128) >> 8;
1564 if (v < -32768) v = -32768;
1565 if (v > 32767) v = 32767;
1571 /* frame rate emulation */
1573 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1574 int64_t now = av_gettime() - ist->start;
1579 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1580 !ist->output_video_filter || avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1582 /* if output time reached then transcode raw format,
1583 encode packets and output them */
1584 if (start_time == 0 || ist->pts >= start_time)
1586 while (frame_available) {
1587 AVRational ist_pts_tb;
1588 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->output_video_filter)
1589 get_filtered_video_frame(ist->output_video_filter, &picture, &ist->picref, &ist_pts_tb);
1591 ist->pts = ist->picref->pts;
1593 for(i=0;i<nb_ostreams;i++) {
1597 if (ost->source_index == ist_index) {
1598 os = output_files[ost->file_index];
1600 /* set the input output pts pairs */
1601 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1603 if (ost->encoding_needed) {
1604 av_assert0(ist->decoding_needed);
1605 switch(ost->st->codec->codec_type) {
1606 case AVMEDIA_TYPE_AUDIO:
1607 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1609 case AVMEDIA_TYPE_VIDEO:
1611 if (ist->picref->video)
1612 ost->st->codec->sample_aspect_ratio = ist->picref->video->pixel_aspect;
1614 do_video_out(os, ost, ist, &picture, &frame_size);
1615 if (vstats_filename && frame_size)
1616 do_video_stats(os, ost, frame_size);
1618 case AVMEDIA_TYPE_SUBTITLE:
1619 do_subtitle_out(os, ost, ist, &subtitle,
1626 AVFrame avframe; //FIXME/XXX remove this
1628 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1630 av_init_packet(&opkt);
1632 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1635 /* no reencoding needed : output the packet directly */
1636 /* force the input stream PTS */
1638 avcodec_get_frame_defaults(&avframe);
1639 ost->st->codec->coded_frame= &avframe;
1640 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1642 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1643 audio_size += data_size;
1644 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1645 video_size += data_size;
1649 opkt.stream_index= ost->index;
1650 if(pkt->pts != AV_NOPTS_VALUE)
1651 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1653 opkt.pts= AV_NOPTS_VALUE;
1655 if (pkt->dts == AV_NOPTS_VALUE)
1656 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1658 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1659 opkt.dts -= ost_tb_start_time;
1661 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1662 opkt.flags= pkt->flags;
1664 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1665 if( ost->st->codec->codec_id != CODEC_ID_H264
1666 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1667 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1669 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1670 opkt.destruct= av_destruct_packet;
1672 opkt.data = data_buf;
1673 opkt.size = data_size;
1676 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1677 ost->st->codec->frame_number++;
1678 ost->frame_number++;
1679 av_free_packet(&opkt);
1685 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1686 ist->output_video_filter && avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1688 avfilter_unref_buffer(ist->picref);
1691 av_free(buffer_to_free);
1692 /* XXX: allocate the subtitles in the codec ? */
1693 if (subtitle_to_free) {
1694 if (subtitle_to_free->rects != NULL) {
1695 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1696 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1697 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1698 av_freep(&subtitle_to_free->rects[i]);
1700 av_freep(&subtitle_to_free->rects);
1702 subtitle_to_free->num_rects = 0;
1703 subtitle_to_free = NULL;
1710 for(i=0;i<nb_ostreams;i++) {
1712 if (ost->source_index == ist_index) {
1713 AVCodecContext *enc= ost->st->codec;
1714 os = output_files[ost->file_index];
1716 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1718 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1721 if (ost->encoding_needed) {
1725 av_init_packet(&pkt);
1726 pkt.stream_index= ost->index;
1728 switch(ost->st->codec->codec_type) {
1729 case AVMEDIA_TYPE_AUDIO:
1730 fifo_bytes = av_fifo_size(ost->fifo);
1732 /* encode any samples remaining in fifo */
1733 if (fifo_bytes > 0) {
1734 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1735 int fs_tmp = enc->frame_size;
1737 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1738 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1739 enc->frame_size = fifo_bytes / (osize * enc->channels);
1741 int frame_bytes = enc->frame_size*osize*enc->channels;
1742 if (allocated_audio_buf_size < frame_bytes)
1744 memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1747 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1748 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1749 ost->st->time_base.num, enc->sample_rate);
1750 enc->frame_size = fs_tmp;
1753 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1756 fprintf(stderr, "Audio encoding failed\n");
1760 pkt.flags |= AV_PKT_FLAG_KEY;
1762 case AVMEDIA_TYPE_VIDEO:
1763 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1765 fprintf(stderr, "Video encoding failed\n");
1769 if(enc->coded_frame && enc->coded_frame->key_frame)
1770 pkt.flags |= AV_PKT_FLAG_KEY;
1771 if (ost->logfile && enc->stats_out) {
1772 fprintf(ost->logfile, "%s", enc->stats_out);
1781 pkt.data= bit_buffer;
1783 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1784 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1785 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1797 static void print_sdp(AVFormatContext **avc, int n)
1801 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1802 printf("SDP:\n%s\n", sdp);
1806 static int copy_chapters(int infile, int outfile)
1808 AVFormatContext *is = input_files[infile];
1809 AVFormatContext *os = output_files[outfile];
1812 for (i = 0; i < is->nb_chapters; i++) {
1813 AVChapter *in_ch = is->chapters[i], *out_ch;
1814 AVMetadataTag *t = NULL;
1815 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1816 AV_TIME_BASE_Q, in_ch->time_base);
1817 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1818 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1821 if (in_ch->end < ts_off)
1823 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1826 out_ch = av_mallocz(sizeof(AVChapter));
1828 return AVERROR(ENOMEM);
1830 out_ch->id = in_ch->id;
1831 out_ch->time_base = in_ch->time_base;
1832 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1833 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1835 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1836 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1839 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1841 return AVERROR(ENOMEM);
1842 os->chapters[os->nb_chapters - 1] = out_ch;
1847 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1848 AVCodecContext *avctx)
1854 for (p = kf; *p; p++)
1857 ost->forced_kf_count = n;
1858 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1859 if (!ost->forced_kf_pts) {
1860 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1863 for (i = 0; i < n; i++) {
1864 p = i ? strchr(p, ',') + 1 : kf;
1865 t = parse_time_or_die("force_key_frames", p, 1);
1866 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1871 * The following code is the main loop of the file converter
1873 static int transcode(AVFormatContext **output_files,
1874 int nb_output_files,
1875 AVFormatContext **input_files,
1877 AVStreamMap *stream_maps, int nb_stream_maps)
1879 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1880 AVFormatContext *is, *os;
1881 AVCodecContext *codec, *icodec;
1882 AVOutputStream *ost, **ost_table = NULL;
1883 AVInputStream *ist, **ist_table = NULL;
1884 AVInputFile *file_table;
1888 uint8_t no_packet[MAX_FILES]={0};
1889 int no_packet_count=0;
1891 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1895 /* input stream init */
1897 for(i=0;i<nb_input_files;i++) {
1898 is = input_files[i];
1899 file_table[i].ist_index = j;
1900 file_table[i].nb_streams = is->nb_streams;
1901 j += is->nb_streams;
1905 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1909 for(i=0;i<nb_istreams;i++) {
1910 ist = av_mallocz(sizeof(AVInputStream));
1916 for(i=0;i<nb_input_files;i++) {
1917 is = input_files[i];
1918 for(k=0;k<is->nb_streams;k++) {
1919 ist = ist_table[j++];
1920 ist->st = is->streams[k];
1921 ist->file_index = i;
1923 ist->discard = 1; /* the stream is discarded by default
1927 ist->start = av_gettime();
1932 /* output stream init */
1934 for(i=0;i<nb_output_files;i++) {
1935 os = output_files[i];
1936 if (!os->nb_streams) {
1937 dump_format(output_files[i], i, output_files[i]->filename, 1);
1938 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1939 ret = AVERROR(EINVAL);
1942 nb_ostreams += os->nb_streams;
1944 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1945 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1946 ret = AVERROR(EINVAL);
1950 /* Sanity check the mapping args -- do the input files & streams exist? */
1951 for(i=0;i<nb_stream_maps;i++) {
1952 int fi = stream_maps[i].file_index;
1953 int si = stream_maps[i].stream_index;
1955 if (fi < 0 || fi > nb_input_files - 1 ||
1956 si < 0 || si > file_table[fi].nb_streams - 1) {
1957 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1958 ret = AVERROR(EINVAL);
1961 fi = stream_maps[i].sync_file_index;
1962 si = stream_maps[i].sync_stream_index;
1963 if (fi < 0 || fi > nb_input_files - 1 ||
1964 si < 0 || si > file_table[fi].nb_streams - 1) {
1965 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1966 ret = AVERROR(EINVAL);
1971 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1975 for(k=0;k<nb_output_files;k++) {
1976 os = output_files[k];
1977 for(i=0;i<os->nb_streams;i++,n++) {
1979 ost = ost_table[n] = output_streams_for_file[k][i];
1980 ost->st = os->streams[i];
1981 if (nb_stream_maps > 0) {
1982 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1983 stream_maps[n].stream_index;
1985 /* Sanity check that the stream types match */
1986 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1987 int i= ost->file_index;
1988 dump_format(output_files[i], i, output_files[i]->filename, 1);
1989 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1990 stream_maps[n].file_index, stream_maps[n].stream_index,
1991 ost->file_index, ost->index);
1996 int best_nb_frames=-1;
1997 /* get corresponding input stream index : we select the first one with the right type */
1999 for(j=0;j<nb_istreams;j++) {
2004 AVFormatContext *f= input_files[ ist->file_index ];
2006 for(pi=0; pi<f->nb_programs; pi++){
2007 AVProgram *p= f->programs[pi];
2008 if(p->id == opt_programid)
2009 for(si=0; si<p->nb_stream_indexes; si++){
2010 if(f->streams[ p->stream_index[si] ] == ist->st)
2015 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2016 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2017 if(best_nb_frames < ist->st->codec_info_nb_frames){
2018 best_nb_frames= ist->st->codec_info_nb_frames;
2019 ost->source_index = j;
2026 if(! opt_programid) {
2027 /* try again and reuse existing stream */
2028 for(j=0;j<nb_istreams;j++) {
2030 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2031 && ist->st->discard != AVDISCARD_ALL) {
2032 ost->source_index = j;
2038 int i= ost->file_index;
2039 dump_format(output_files[i], i, output_files[i]->filename, 1);
2040 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2041 ost->file_index, ost->index);
2046 ist = ist_table[ost->source_index];
2048 ost->sync_ist = (nb_stream_maps > 0) ?
2049 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2050 stream_maps[n].sync_stream_index] : ist;
2054 /* for each output stream, we compute the right encoding parameters */
2055 for(i=0;i<nb_ostreams;i++) {
2056 AVMetadataTag *t = NULL;
2058 os = output_files[ost->file_index];
2059 ist = ist_table[ost->source_index];
2061 codec = ost->st->codec;
2062 icodec = ist->st->codec;
2064 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2065 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2068 ost->st->disposition = ist->st->disposition;
2069 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2070 codec->chroma_sample_location = icodec->chroma_sample_location;
2072 if (ost->st->stream_copy) {
2073 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2075 if (extra_size > INT_MAX)
2078 /* if stream_copy is selected, no need to decode or encode */
2079 codec->codec_id = icodec->codec_id;
2080 codec->codec_type = icodec->codec_type;
2082 if(!codec->codec_tag){
2083 if( !os->oformat->codec_tag
2084 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2085 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2086 codec->codec_tag = icodec->codec_tag;
2089 codec->bit_rate = icodec->bit_rate;
2090 codec->rc_max_rate = icodec->rc_max_rate;
2091 codec->rc_buffer_size = icodec->rc_buffer_size;
2092 codec->extradata= av_mallocz(extra_size);
2093 if (!codec->extradata)
2095 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2096 codec->extradata_size= icodec->extradata_size;
2097 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
2098 codec->time_base = icodec->time_base;
2099 codec->time_base.num *= icodec->ticks_per_frame;
2100 av_reduce(&codec->time_base.num, &codec->time_base.den,
2101 codec->time_base.num, codec->time_base.den, INT_MAX);
2103 codec->time_base = ist->st->time_base;
2104 switch(codec->codec_type) {
2105 case AVMEDIA_TYPE_AUDIO:
2106 if(audio_volume != 256) {
2107 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2110 codec->channel_layout = icodec->channel_layout;
2111 codec->sample_rate = icodec->sample_rate;
2112 codec->channels = icodec->channels;
2113 codec->frame_size = icodec->frame_size;
2114 codec->block_align= icodec->block_align;
2115 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2116 codec->block_align= 0;
2117 if(codec->codec_id == CODEC_ID_AC3)
2118 codec->block_align= 0;
2120 case AVMEDIA_TYPE_VIDEO:
2121 codec->pix_fmt = icodec->pix_fmt;
2122 codec->width = icodec->width;
2123 codec->height = icodec->height;
2124 codec->has_b_frames = icodec->has_b_frames;
2126 case AVMEDIA_TYPE_SUBTITLE:
2127 codec->width = icodec->width;
2128 codec->height = icodec->height;
2134 switch(codec->codec_type) {
2135 case AVMEDIA_TYPE_AUDIO:
2136 ost->fifo= av_fifo_alloc(1024);
2139 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2140 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2141 icodec->request_channels = codec->channels;
2142 ist->decoding_needed = 1;
2143 ost->encoding_needed = 1;
2145 case AVMEDIA_TYPE_VIDEO:
2146 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2147 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2150 ost->video_resample = (codec->width != icodec->width ||
2151 codec->height != icodec->height ||
2152 (codec->pix_fmt != icodec->pix_fmt));
2153 if (ost->video_resample) {
2154 avcodec_get_frame_defaults(&ost->pict_tmp);
2155 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2156 codec->width, codec->height)) {
2157 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2160 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2161 ost->img_resample_ctx = sws_getContext(
2168 sws_flags, NULL, NULL, NULL);
2169 if (ost->img_resample_ctx == NULL) {
2170 fprintf(stderr, "Cannot get resampling context\n");
2174 #if !CONFIG_AVFILTER
2175 ost->original_height = icodec->height;
2176 ost->original_width = icodec->width;
2178 codec->bits_per_raw_sample= 0;
2180 ost->resample_height = icodec->height;
2181 ost->resample_width = icodec->width;
2182 ost->resample_pix_fmt= icodec->pix_fmt;
2183 ost->encoding_needed = 1;
2184 ist->decoding_needed = 1;
2187 if (configure_filters(ist, ost)) {
2188 fprintf(stderr, "Error opening filters!\n");
2193 case AVMEDIA_TYPE_SUBTITLE:
2194 ost->encoding_needed = 1;
2195 ist->decoding_needed = 1;
2202 if (ost->encoding_needed &&
2203 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2204 char logfilename[1024];
2207 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2208 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2210 if (codec->flags & CODEC_FLAG_PASS1) {
2211 f = fopen(logfilename, "wb");
2213 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2219 size_t logbuffer_size;
2220 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2221 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2224 codec->stats_in = logbuffer;
2228 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2229 int size= codec->width * codec->height;
2230 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2235 bit_buffer = av_malloc(bit_buffer_size);
2237 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2239 ret = AVERROR(ENOMEM);
2243 /* open each encoder */
2244 for(i=0;i<nb_ostreams;i++) {
2246 if (ost->encoding_needed) {
2247 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2249 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2251 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2252 ost->st->codec->codec_id, ost->file_index, ost->index);
2253 ret = AVERROR(EINVAL);
2256 if (avcodec_open(ost->st->codec, codec) < 0) {
2257 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2258 ost->file_index, ost->index);
2259 ret = AVERROR(EINVAL);
2262 extra_size += ost->st->codec->extradata_size;
2266 /* open each decoder */
2267 for(i=0;i<nb_istreams;i++) {
2269 if (ist->decoding_needed) {
2270 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2272 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2274 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2275 ist->st->codec->codec_id, ist->file_index, ist->index);
2276 ret = AVERROR(EINVAL);
2279 if (avcodec_open(ist->st->codec, codec) < 0) {
2280 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2281 ist->file_index, ist->index);
2282 ret = AVERROR(EINVAL);
2285 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2286 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2291 for(i=0;i<nb_istreams;i++) {
2295 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2296 ist->next_pts = AV_NOPTS_VALUE;
2297 init_pts_correction(&ist->pts_ctx);
2301 /* set meta data information from input file if required */
2302 for (i=0;i<nb_meta_data_maps;i++) {
2303 AVFormatContext *out_file;
2304 AVFormatContext *in_file;
2305 AVMetadataTag *mtag;
2307 int out_file_index = meta_data_maps[i].out_file;
2308 int in_file_index = meta_data_maps[i].in_file;
2309 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2310 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2311 out_file_index, out_file_index, in_file_index);
2312 ret = AVERROR(EINVAL);
2315 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2316 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2317 in_file_index, out_file_index, in_file_index);
2318 ret = AVERROR(EINVAL);
2322 out_file = output_files[out_file_index];
2323 in_file = input_files[in_file_index];
2327 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2328 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2331 /* copy chapters from the first input file that has them*/
2332 for (i = 0; i < nb_input_files; i++) {
2333 if (!input_files[i]->nb_chapters)
2336 for (j = 0; j < nb_output_files; j++)
2337 if ((ret = copy_chapters(i, j)) < 0)
2341 /* open files and write file headers */
2342 for(i=0;i<nb_output_files;i++) {
2343 os = output_files[i];
2344 if (av_write_header(os) < 0) {
2345 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2346 ret = AVERROR(EINVAL);
2349 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2355 /* dump the file output parameters - cannot be done before in case
2357 for(i=0;i<nb_output_files;i++) {
2358 dump_format(output_files[i], i, output_files[i]->filename, 1);
2361 /* dump the stream mapping */
2363 fprintf(stderr, "Stream mapping:\n");
2364 for(i=0;i<nb_ostreams;i++) {
2366 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2367 ist_table[ost->source_index]->file_index,
2368 ist_table[ost->source_index]->index,
2371 if (ost->sync_ist != ist_table[ost->source_index])
2372 fprintf(stderr, " [sync #%d.%d]",
2373 ost->sync_ist->file_index,
2374 ost->sync_ist->index);
2375 fprintf(stderr, "\n");
2380 fprintf(stderr, "%s\n", error);
2385 print_sdp(output_files, nb_output_files);
2388 if (!using_stdin && verbose >= 0) {
2389 fprintf(stderr, "Press [q] to stop encoding\n");
2390 url_set_interrupt_cb(decode_interrupt_cb);
2394 timer_start = av_gettime();
2396 for(; received_sigterm == 0;) {
2397 int file_index, ist_index;
2405 /* if 'q' pressed, exits */
2409 /* read_key() returns 0 on EOF */
2415 /* select the stream that we must read now by looking at the
2416 smallest output pts */
2418 for(i=0;i<nb_ostreams;i++) {
2421 os = output_files[ost->file_index];
2422 ist = ist_table[ost->source_index];
2423 if(ist->is_past_recording_time || no_packet[ist->file_index])
2425 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2426 ipts = (double)ist->pts;
2427 if (!file_table[ist->file_index].eof_reached){
2428 if(ipts < ipts_min) {
2430 if(input_sync ) file_index = ist->file_index;
2432 if(opts < opts_min) {
2434 if(!input_sync) file_index = ist->file_index;
2437 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2442 /* if none, if is finished */
2443 if (file_index < 0) {
2444 if(no_packet_count){
2446 memset(no_packet, 0, sizeof(no_packet));
2453 /* finish if limit size exhausted */
2454 if (limit_filesize != 0 && limit_filesize <= url_ftell(output_files[0]->pb))
2457 /* read a frame from it and output it in the fifo */
2458 is = input_files[file_index];
2459 ret= av_read_frame(is, &pkt);
2460 if(ret == AVERROR(EAGAIN)){
2461 no_packet[file_index]=1;
2466 file_table[file_index].eof_reached = 1;
2474 memset(no_packet, 0, sizeof(no_packet));
2477 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2479 /* the following test is needed in case new streams appear
2480 dynamically in stream : we ignore them */
2481 if (pkt.stream_index >= file_table[file_index].nb_streams)
2482 goto discard_packet;
2483 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2484 ist = ist_table[ist_index];
2486 goto discard_packet;
2488 if (pkt.dts != AV_NOPTS_VALUE)
2489 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2490 if (pkt.pts != AV_NOPTS_VALUE)
2491 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2493 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2494 && input_files_ts_scale[file_index][pkt.stream_index]){
2495 if(pkt.pts != AV_NOPTS_VALUE)
2496 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2497 if(pkt.dts != AV_NOPTS_VALUE)
2498 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2501 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2502 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2503 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2504 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2505 int64_t delta= pkt_dts - ist->next_pts;
2506 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2507 input_files_ts_offset[ist->file_index]-= delta;
2509 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2510 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2511 if(pkt.pts != AV_NOPTS_VALUE)
2512 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2516 /* finish if recording time exhausted */
2517 if (recording_time != INT64_MAX &&
2518 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2519 ist->is_past_recording_time = 1;
2520 goto discard_packet;
2523 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2524 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2527 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2528 ist->file_index, ist->index);
2531 av_free_packet(&pkt);
2536 av_free_packet(&pkt);
2538 /* dump report by using the output first video and audio streams */
2539 print_report(output_files, ost_table, nb_ostreams, 0);
2542 /* at the end of stream, we must flush the decoder buffers */
2543 for(i=0;i<nb_istreams;i++) {
2545 if (ist->decoding_needed) {
2546 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2552 /* write the trailer if needed and close file */
2553 for(i=0;i<nb_output_files;i++) {
2554 os = output_files[i];
2555 av_write_trailer(os);
2558 /* dump report by using the first video and audio streams */
2559 print_report(output_files, ost_table, nb_ostreams, 1);
2561 /* close each encoder */
2562 for(i=0;i<nb_ostreams;i++) {
2564 if (ost->encoding_needed) {
2565 av_freep(&ost->st->codec->stats_in);
2566 avcodec_close(ost->st->codec);
2570 /* close each decoder */
2571 for(i=0;i<nb_istreams;i++) {
2573 if (ist->decoding_needed) {
2574 avcodec_close(ist->st->codec);
2579 avfilter_graph_destroy(graph);
2588 av_freep(&bit_buffer);
2589 av_free(file_table);
2592 for(i=0;i<nb_istreams;i++) {
2599 for(i=0;i<nb_ostreams;i++) {
2602 if (ost->st->stream_copy)
2603 av_freep(&ost->st->codec->extradata);
2605 fclose(ost->logfile);
2606 ost->logfile = NULL;
2608 av_fifo_free(ost->fifo); /* works even if fifo is not
2609 initialized but set to zero */
2610 av_free(ost->pict_tmp.data[0]);
2611 av_free(ost->forced_kf_pts);
2612 if (ost->video_resample)
2613 sws_freeContext(ost->img_resample_ctx);
2615 audio_resample_close(ost->resample);
2616 if (ost->reformat_ctx)
2617 av_audio_convert_free(ost->reformat_ctx);
2626 static void opt_format(const char *arg)
2628 /* compatibility stuff for pgmyuv */
2629 if (!strcmp(arg, "pgmyuv")) {
2630 pgmyuv_compatibility_hack=1;
2631 // opt_image_format(arg);
2633 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2636 last_asked_format = arg;
2639 static void opt_video_rc_override_string(const char *arg)
2641 video_rc_override_string = arg;
2644 static int opt_me_threshold(const char *opt, const char *arg)
2646 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2650 static int opt_verbose(const char *opt, const char *arg)
2652 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2656 static int opt_frame_rate(const char *opt, const char *arg)
2658 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2659 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2665 static int opt_bitrate(const char *opt, const char *arg)
2667 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2669 opt_default(opt, arg);
2671 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2672 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2677 static int opt_frame_crop(const char *opt, const char *arg)
2679 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2680 return AVERROR(EINVAL);
2683 static void opt_frame_size(const char *arg)
2685 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2686 fprintf(stderr, "Incorrect frame size\n");
2691 static int opt_pad(const char *opt, const char *arg) {
2692 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2696 static void opt_frame_pix_fmt(const char *arg)
2698 if (strcmp(arg, "list")) {
2699 frame_pix_fmt = av_get_pix_fmt(arg);
2700 if (frame_pix_fmt == PIX_FMT_NONE) {
2701 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2710 static void opt_frame_aspect_ratio(const char *arg)
2717 p = strchr(arg, ':');
2719 x = strtol(arg, &end, 10);
2721 y = strtol(end+1, &end, 10);
2723 ar = (double)x / (double)y;
2725 ar = strtod(arg, NULL);
2728 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2731 frame_aspect_ratio = ar;
2734 static int opt_metadata(const char *opt, const char *arg)
2736 char *mid= strchr(arg, '=');
2739 fprintf(stderr, "Missing =\n");
2744 av_metadata_set2(&metadata, arg, mid, 0);
2749 static void opt_qscale(const char *arg)
2751 video_qscale = atof(arg);
2752 if (video_qscale <= 0 ||
2753 video_qscale > 255) {
2754 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2759 static void opt_top_field_first(const char *arg)
2761 top_field_first= atoi(arg);
2764 static int opt_thread_count(const char *opt, const char *arg)
2766 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2769 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2774 static void opt_audio_sample_fmt(const char *arg)
2776 if (strcmp(arg, "list"))
2777 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2779 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2784 static int opt_audio_rate(const char *opt, const char *arg)
2786 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2790 static int opt_audio_channels(const char *opt, const char *arg)
2792 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2796 static void opt_video_channel(const char *arg)
2798 video_channel = strtol(arg, NULL, 0);
2801 static void opt_video_standard(const char *arg)
2803 video_standard = av_strdup(arg);
2806 static void opt_codec(int *pstream_copy, char **pcodec_name,
2807 int codec_type, const char *arg)
2809 av_freep(pcodec_name);
2810 if (!strcmp(arg, "copy")) {
2813 *pcodec_name = av_strdup(arg);
2817 static void opt_audio_codec(const char *arg)
2819 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2822 static void opt_audio_tag(const char *arg)
2825 audio_codec_tag= strtol(arg, &tail, 0);
2828 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2831 static void opt_video_tag(const char *arg)
2834 video_codec_tag= strtol(arg, &tail, 0);
2837 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2840 static void opt_video_codec(const char *arg)
2842 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2845 static void opt_subtitle_codec(const char *arg)
2847 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2850 static void opt_subtitle_tag(const char *arg)
2853 subtitle_codec_tag= strtol(arg, &tail, 0);
2856 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2859 static void opt_map(const char *arg)
2864 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2865 m = &stream_maps[nb_stream_maps-1];
2867 m->file_index = strtol(arg, &p, 0);
2871 m->stream_index = strtol(p, &p, 0);
2874 m->sync_file_index = strtol(p, &p, 0);
2877 m->sync_stream_index = strtol(p, &p, 0);
2879 m->sync_file_index = m->file_index;
2880 m->sync_stream_index = m->stream_index;
2884 static void opt_map_meta_data(const char *arg)
2889 m = &meta_data_maps[nb_meta_data_maps++];
2891 m->out_file = strtol(arg, &p, 0);
2895 m->in_file = strtol(p, &p, 0);
2898 static void opt_input_ts_scale(const char *arg)
2900 unsigned int stream;
2904 stream = strtol(arg, &p, 0);
2907 scale= strtod(p, &p);
2909 if(stream >= MAX_STREAMS)
2912 input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
2913 input_files_ts_scale[nb_input_files][stream]= scale;
2916 static int opt_recording_time(const char *opt, const char *arg)
2918 recording_time = parse_time_or_die(opt, arg, 1);
2922 static int opt_start_time(const char *opt, const char *arg)
2924 start_time = parse_time_or_die(opt, arg, 1);
2928 static int opt_recording_timestamp(const char *opt, const char *arg)
2930 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2934 static int opt_input_ts_offset(const char *opt, const char *arg)
2936 input_ts_offset = parse_time_or_die(opt, arg, 1);
2940 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
2942 const char *codec_string = encoder ? "encoder" : "decoder";
2946 return CODEC_ID_NONE;
2948 avcodec_find_encoder_by_name(name) :
2949 avcodec_find_decoder_by_name(name);
2951 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2954 if(codec->type != type) {
2955 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2958 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
2959 strict > FF_COMPLIANCE_EXPERIMENTAL) {
2960 fprintf(stderr, "%s '%s' is experimental and might produce bad "
2961 "results.\nAdd '-strict experimental' if you want to use it.\n",
2962 codec_string, codec->name);
2964 avcodec_find_encoder(codec->id) :
2965 avcodec_find_decoder(codec->id);
2966 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
2967 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
2968 codec_string, codec->name);
2974 static void opt_input_file(const char *filename)
2976 AVFormatContext *ic;
2977 AVFormatParameters params, *ap = ¶ms;
2978 AVInputFormat *file_iformat = NULL;
2979 int err, i, ret, rfps, rfps_base;
2982 if (last_asked_format) {
2983 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2984 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2987 last_asked_format = NULL;
2990 if (!strcmp(filename, "-"))
2993 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2994 !strcmp(filename, "/dev/stdin");
2996 /* get default parameters from command line */
2997 ic = avformat_alloc_context();
2999 print_error(filename, AVERROR(ENOMEM));
3003 memset(ap, 0, sizeof(*ap));
3004 ap->prealloced_context = 1;
3005 ap->sample_rate = audio_sample_rate;
3006 ap->channels = audio_channels;
3007 ap->time_base.den = frame_rate.num;
3008 ap->time_base.num = frame_rate.den;
3009 ap->width = frame_width;
3010 ap->height = frame_height;
3011 ap->pix_fmt = frame_pix_fmt;
3012 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3013 ap->channel = video_channel;
3014 ap->standard = video_standard;
3016 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3018 ic->video_codec_id =
3019 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3020 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3021 ic->audio_codec_id =
3022 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3023 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3024 ic->subtitle_codec_id=
3025 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3026 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3027 ic->flags |= AVFMT_FLAG_NONBLOCK;
3029 if(pgmyuv_compatibility_hack)
3030 ic->video_codec_id= CODEC_ID_PGMYUV;
3032 /* open the input file with generic libav function */
3033 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3035 print_error(filename, err);
3041 for(i=0; i<ic->nb_streams; i++){
3042 ic->streams[i]->discard= AVDISCARD_ALL;
3044 for(i=0; i<ic->nb_programs; i++){
3045 AVProgram *p= ic->programs[i];
3046 if(p->id != opt_programid){
3047 p->discard = AVDISCARD_ALL;
3050 for(j=0; j<p->nb_stream_indexes; j++){
3051 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3056 fprintf(stderr, "Specified program id not found\n");
3062 ic->loop_input = loop_input;
3064 /* If not enough info to get the stream parameters, we decode the
3065 first frames to get it. (used in mpeg case for example) */
3066 ret = av_find_stream_info(ic);
3067 if (ret < 0 && verbose >= 0) {
3068 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3069 av_close_input_file(ic);
3073 timestamp = start_time;
3074 /* add the stream start time */
3075 if (ic->start_time != AV_NOPTS_VALUE)
3076 timestamp += ic->start_time;
3078 /* if seeking requested, we execute it */
3079 if (start_time != 0) {
3080 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3082 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3083 filename, (double)timestamp / AV_TIME_BASE);
3085 /* reset seek info */
3089 /* update the current parameters so that they match the one of the input stream */
3090 for(i=0;i<ic->nb_streams;i++) {
3091 AVStream *st = ic->streams[i];
3092 AVCodecContext *dec = st->codec;
3093 avcodec_thread_init(dec, thread_count);
3094 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3095 switch (dec->codec_type) {
3096 case AVMEDIA_TYPE_AUDIO:
3097 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3098 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3099 //fprintf(stderr, "\nInput Audio channels: %d", dec->channels);
3100 channel_layout = dec->channel_layout;
3101 audio_channels = dec->channels;
3102 audio_sample_rate = dec->sample_rate;
3103 audio_sample_fmt = dec->sample_fmt;
3105 st->discard= AVDISCARD_ALL;
3106 /* Note that av_find_stream_info can add more streams, and we
3107 * currently have no chance of setting up lowres decoding
3108 * early enough for them. */
3110 audio_sample_rate >>= dec->lowres;
3112 case AVMEDIA_TYPE_VIDEO:
3113 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3114 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3115 frame_height = dec->height;
3116 frame_width = dec->width;
3117 if(ic->streams[i]->sample_aspect_ratio.num)
3118 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3120 frame_aspect_ratio=av_q2d(dec->sample_aspect_ratio);
3121 frame_aspect_ratio *= (float) dec->width / dec->height;
3122 frame_pix_fmt = dec->pix_fmt;
3123 rfps = ic->streams[i]->r_frame_rate.num;
3124 rfps_base = ic->streams[i]->r_frame_rate.den;
3126 dec->flags |= CODEC_FLAG_EMU_EDGE;
3127 frame_height >>= dec->lowres;
3128 frame_width >>= dec->lowres;
3131 dec->debug |= FF_DEBUG_MV;
3133 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3136 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3137 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3139 (float)rfps / rfps_base, rfps, rfps_base);
3141 /* update the current frame rate to match the stream frame rate */
3142 frame_rate.num = rfps;
3143 frame_rate.den = rfps_base;
3146 st->discard= AVDISCARD_ALL;
3147 else if(video_discard)
3148 st->discard= video_discard;
3150 case AVMEDIA_TYPE_DATA:
3152 case AVMEDIA_TYPE_SUBTITLE:
3153 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3154 if(subtitle_disable)
3155 st->discard = AVDISCARD_ALL;
3157 case AVMEDIA_TYPE_ATTACHMENT:
3158 case AVMEDIA_TYPE_UNKNOWN:
3165 input_files[nb_input_files] = ic;
3166 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3167 /* dump the file content */
3169 dump_format(ic, nb_input_files, filename, 0);
3175 av_freep(&video_codec_name);
3176 av_freep(&audio_codec_name);
3177 av_freep(&subtitle_codec_name);
3180 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3181 int *has_subtitle_ptr)
3183 int has_video, has_audio, has_subtitle, i, j;
3184 AVFormatContext *ic;
3189 for(j=0;j<nb_input_files;j++) {
3190 ic = input_files[j];
3191 for(i=0;i<ic->nb_streams;i++) {
3192 AVCodecContext *enc = ic->streams[i]->codec;
3193 switch(enc->codec_type) {
3194 case AVMEDIA_TYPE_AUDIO:
3197 case AVMEDIA_TYPE_VIDEO:
3200 case AVMEDIA_TYPE_SUBTITLE:
3203 case AVMEDIA_TYPE_DATA:
3204 case AVMEDIA_TYPE_ATTACHMENT:
3205 case AVMEDIA_TYPE_UNKNOWN:
3212 *has_video_ptr = has_video;
3213 *has_audio_ptr = has_audio;
3214 *has_subtitle_ptr = has_subtitle;
3217 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
3219 int idx = oc->nb_streams - 1;
3220 AVOutputStream *ost;
3222 output_streams_for_file[file_idx] =
3223 grow_array(output_streams_for_file[file_idx],
3224 sizeof(*output_streams_for_file[file_idx]),
3225 &nb_output_streams_for_file[file_idx],
3227 ost = output_streams_for_file[file_idx][idx] =
3228 av_mallocz(sizeof(AVOutputStream));
3230 fprintf(stderr, "Could not alloc output stream\n");
3233 ost->file_index = file_idx;
3238 static void new_video_stream(AVFormatContext *oc, int file_idx)
3241 AVOutputStream *ost;
3242 AVCodecContext *video_enc;
3243 enum CodecID codec_id;
3244 AVCodec *codec= NULL;
3246 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3248 fprintf(stderr, "Could not alloc stream\n");
3251 ost = new_output_stream(oc, file_idx);
3253 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3254 if(!video_stream_copy){
3255 if (video_codec_name) {
3256 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3257 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3258 codec = avcodec_find_encoder_by_name(video_codec_name);
3259 output_codecs[nb_output_codecs-1] = codec;
3261 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3262 codec = avcodec_find_encoder(codec_id);
3266 avcodec_get_context_defaults3(st->codec, codec);
3267 ost->bitstream_filters = video_bitstream_filters;
3268 video_bitstream_filters= NULL;
3270 avcodec_thread_init(st->codec, thread_count);
3272 video_enc = st->codec;
3275 video_enc->codec_tag= video_codec_tag;
3277 if( (video_global_header&1)
3278 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3279 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3280 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3282 if(video_global_header&2){
3283 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3284 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3287 if (video_stream_copy) {
3288 st->stream_copy = 1;
3289 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3290 video_enc->sample_aspect_ratio =
3291 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3295 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3297 video_enc->codec_id = codec_id;
3298 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3300 if (codec && codec->supported_framerates && !force_fps)
3301 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3302 video_enc->time_base.den = fps.num;
3303 video_enc->time_base.num = fps.den;
3305 video_enc->width = frame_width;
3306 video_enc->height = frame_height;
3307 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3308 video_enc->pix_fmt = frame_pix_fmt;
3309 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3311 choose_pixel_fmt(st, codec);
3314 video_enc->gop_size = 0;
3315 if (video_qscale || same_quality) {
3316 video_enc->flags |= CODEC_FLAG_QSCALE;
3317 video_enc->global_quality=
3318 st->quality = FF_QP2LAMBDA * video_qscale;
3322 video_enc->intra_matrix = intra_matrix;
3324 video_enc->inter_matrix = inter_matrix;
3326 p= video_rc_override_string;
3329 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3331 fprintf(stderr, "error parsing rc_override\n");
3334 video_enc->rc_override=
3335 av_realloc(video_enc->rc_override,
3336 sizeof(RcOverride)*(i+1));
3337 video_enc->rc_override[i].start_frame= start;
3338 video_enc->rc_override[i].end_frame = end;
3340 video_enc->rc_override[i].qscale= q;
3341 video_enc->rc_override[i].quality_factor= 1.0;
3344 video_enc->rc_override[i].qscale= 0;
3345 video_enc->rc_override[i].quality_factor= -q/100.0;
3350 video_enc->rc_override_count=i;
3351 if (!video_enc->rc_initial_buffer_occupancy)
3352 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3353 video_enc->me_threshold= me_threshold;
3354 video_enc->intra_dc_precision= intra_dc_precision - 8;
3357 video_enc->flags|= CODEC_FLAG_PSNR;
3362 video_enc->flags |= CODEC_FLAG_PASS1;
3364 video_enc->flags |= CODEC_FLAG_PASS2;
3368 if (forced_key_frames)
3369 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3371 if (video_language) {
3372 av_metadata_set2(&st->metadata, "language", video_language, 0);
3373 av_freep(&video_language);
3376 /* reset some key parameters */
3378 av_freep(&video_codec_name);
3379 av_freep(&forced_key_frames);
3380 video_stream_copy = 0;
3381 frame_pix_fmt = PIX_FMT_NONE;
3384 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3387 AVOutputStream *ost;
3388 AVCodec *codec= NULL;
3389 AVCodecContext *audio_enc;
3390 enum CodecID codec_id;
3392 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3394 fprintf(stderr, "Could not alloc stream\n");
3397 ost = new_output_stream(oc, file_idx);
3399 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3400 if(!audio_stream_copy){
3401 if (audio_codec_name) {
3402 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3403 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3404 codec = avcodec_find_encoder_by_name(audio_codec_name);
3405 output_codecs[nb_output_codecs-1] = codec;
3407 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3408 codec = avcodec_find_encoder(codec_id);
3412 avcodec_get_context_defaults3(st->codec, codec);
3414 ost->bitstream_filters = audio_bitstream_filters;
3415 audio_bitstream_filters= NULL;
3417 avcodec_thread_init(st->codec, thread_count);
3419 audio_enc = st->codec;
3420 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3423 audio_enc->codec_tag= audio_codec_tag;
3425 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3426 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3427 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3429 if (audio_stream_copy) {
3430 st->stream_copy = 1;
3431 audio_enc->channels = audio_channels;
3432 audio_enc->sample_rate = audio_sample_rate;
3434 audio_enc->codec_id = codec_id;
3435 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3437 if (audio_qscale > QSCALE_NONE) {
3438 audio_enc->flags |= CODEC_FLAG_QSCALE;
3439 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3441 audio_enc->channels = audio_channels;
3442 audio_enc->sample_fmt = audio_sample_fmt;
3443 audio_enc->sample_rate = audio_sample_rate;
3444 audio_enc->channel_layout = channel_layout;
3445 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3446 audio_enc->channel_layout = 0;
3447 choose_sample_fmt(st, codec);
3448 choose_sample_rate(st, codec);
3450 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3451 if (audio_language) {
3452 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3453 av_freep(&audio_language);
3456 /* reset some key parameters */
3458 av_freep(&audio_codec_name);
3459 audio_stream_copy = 0;
3462 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3465 AVOutputStream *ost;
3466 AVCodec *codec=NULL;
3467 AVCodecContext *subtitle_enc;
3469 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3471 fprintf(stderr, "Could not alloc stream\n");
3474 ost = new_output_stream(oc, file_idx);
3475 subtitle_enc = st->codec;
3476 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3477 if(!subtitle_stream_copy){
3478 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3479 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3480 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3482 avcodec_get_context_defaults3(st->codec, codec);
3484 ost->bitstream_filters = subtitle_bitstream_filters;
3485 subtitle_bitstream_filters= NULL;
3487 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3489 if(subtitle_codec_tag)
3490 subtitle_enc->codec_tag= subtitle_codec_tag;
3492 if (subtitle_stream_copy) {
3493 st->stream_copy = 1;
3495 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3498 if (subtitle_language) {
3499 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3500 av_freep(&subtitle_language);
3503 subtitle_disable = 0;
3504 av_freep(&subtitle_codec_name);
3505 subtitle_stream_copy = 0;
3508 static int opt_new_stream(const char *opt, const char *arg)
3510 AVFormatContext *oc;
3511 int file_idx = nb_output_files - 1;
3512 if (nb_output_files <= 0) {
3513 fprintf(stderr, "At least one output file must be specified\n");
3516 oc = output_files[file_idx];
3518 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3519 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3520 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3525 /* arg format is "output-stream-index:streamid-value". */
3526 static int opt_streamid(const char *opt, const char *arg)
3532 strncpy(idx_str, arg, sizeof(idx_str));
3533 idx_str[sizeof(idx_str)-1] = '\0';
3534 p = strchr(idx_str, ':');
3537 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3542 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3543 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3544 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3548 static void opt_output_file(const char *filename)
3550 AVFormatContext *oc;
3551 int err, use_video, use_audio, use_subtitle;
3552 int input_has_video, input_has_audio, input_has_subtitle;
3553 AVFormatParameters params, *ap = ¶ms;
3554 AVOutputFormat *file_oformat;
3555 AVMetadataTag *tag = NULL;
3557 if (!strcmp(filename, "-"))
3560 oc = avformat_alloc_context();
3562 print_error(filename, AVERROR(ENOMEM));
3566 if (last_asked_format) {
3567 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3568 if (!file_oformat) {
3569 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3572 last_asked_format = NULL;
3574 file_oformat = av_guess_format(NULL, filename, NULL);
3575 if (!file_oformat) {
3576 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3582 oc->oformat = file_oformat;
3583 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3585 if (!strcmp(file_oformat->name, "ffm") &&
3586 av_strstart(filename, "http:", NULL)) {
3587 /* special case for files sent to ffserver: we get the stream
3588 parameters from ffserver */
3589 int err = read_ffserver_streams(oc, filename);
3591 print_error(filename, err);
3595 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3596 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3597 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3599 /* disable if no corresponding type found and at least one
3601 if (nb_input_files > 0) {
3602 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3603 &input_has_subtitle);
3604 if (!input_has_video)
3606 if (!input_has_audio)
3608 if (!input_has_subtitle)
3612 /* manual disable */
3613 if (audio_disable) use_audio = 0;
3614 if (video_disable) use_video = 0;
3615 if (subtitle_disable) use_subtitle = 0;
3617 if (use_video) new_video_stream(oc, nb_output_files);
3618 if (use_audio) new_audio_stream(oc, nb_output_files);
3619 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3621 oc->timestamp = recording_timestamp;
3623 while ((tag = av_metadata_get(metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
3624 av_metadata_set2(&oc->metadata, tag->key, tag->value, 0);
3625 av_metadata_free(&metadata);
3628 output_files[nb_output_files++] = oc;
3630 /* check filename in case of an image number is expected */
3631 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3632 if (!av_filename_number_test(oc->filename)) {
3633 print_error(oc->filename, AVERROR_NUMEXPECTED);
3638 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3639 /* test if it already exists to avoid loosing precious files */
3640 if (!file_overwrite &&
3641 (strchr(filename, ':') == NULL ||
3642 filename[1] == ':' ||
3643 av_strstart(filename, "file:", NULL))) {
3644 if (url_exist(filename)) {
3646 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3648 if (!read_yesno()) {
3649 fprintf(stderr, "Not overwriting - exiting\n");
3654 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3661 if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
3662 print_error(filename, err);
3667 memset(ap, 0, sizeof(*ap));
3668 if (av_set_parameters(oc, ap) < 0) {
3669 fprintf(stderr, "%s: Invalid encoding parameters\n",
3674 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3675 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3676 oc->loop_output = loop_output;
3677 oc->flags |= AVFMT_FLAG_NONBLOCK;
3679 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3681 nb_streamid_map = 0;
3682 av_freep(&forced_key_frames);
3685 /* same option as mencoder */
3686 static void opt_pass(const char *pass_str)
3689 pass = atoi(pass_str);
3690 if (pass != 1 && pass != 2) {
3691 fprintf(stderr, "pass number can be only 1 or 2\n");
3697 static int64_t getutime(void)
3700 struct rusage rusage;
3702 getrusage(RUSAGE_SELF, &rusage);
3703 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3704 #elif HAVE_GETPROCESSTIMES
3706 FILETIME c, e, k, u;
3707 proc = GetCurrentProcess();
3708 GetProcessTimes(proc, &c, &e, &k, &u);
3709 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3711 return av_gettime();
3715 static int64_t getmaxrss(void)
3717 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3718 struct rusage rusage;
3719 getrusage(RUSAGE_SELF, &rusage);
3720 return (int64_t)rusage.ru_maxrss * 1024;
3721 #elif HAVE_GETPROCESSMEMORYINFO
3723 PROCESS_MEMORY_COUNTERS memcounters;
3724 proc = GetCurrentProcess();
3725 memcounters.cb = sizeof(memcounters);
3726 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3727 return memcounters.PeakPagefileUsage;
3733 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3736 const char *p = str;
3743 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3750 static void opt_inter_matrix(const char *arg)
3752 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3753 parse_matrix_coeffs(inter_matrix, arg);
3756 static void opt_intra_matrix(const char *arg)
3758 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3759 parse_matrix_coeffs(intra_matrix, arg);
3762 static void show_usage(void)
3764 printf("Hyper fast Audio and Video encoder\n");
3765 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3769 static void show_help(void)
3771 av_log_set_callback(log_callback_help);
3773 show_help_options(options, "Main options:\n",
3774 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3775 show_help_options(options, "\nAdvanced options:\n",
3776 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3778 show_help_options(options, "\nVideo options:\n",
3779 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3781 show_help_options(options, "\nAdvanced Video options:\n",
3782 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3783 OPT_VIDEO | OPT_EXPERT);
3784 show_help_options(options, "\nAudio options:\n",
3785 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3787 show_help_options(options, "\nAdvanced Audio options:\n",
3788 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3789 OPT_AUDIO | OPT_EXPERT);
3790 show_help_options(options, "\nSubtitle options:\n",
3791 OPT_SUBTITLE | OPT_GRAB,
3793 show_help_options(options, "\nAudio/Video grab options:\n",
3797 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3799 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3801 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3804 static void opt_target(const char *arg)
3806 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3807 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3809 if(!strncmp(arg, "pal-", 4)) {
3812 } else if(!strncmp(arg, "ntsc-", 5)) {
3815 } else if(!strncmp(arg, "film-", 5)) {
3820 /* Calculate FR via float to avoid int overflow */
3821 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3824 } else if((fr == 29970) || (fr == 23976)) {
3827 /* Try to determine PAL/NTSC by peeking in the input files */
3828 if(nb_input_files) {
3830 for(j = 0; j < nb_input_files; j++) {
3831 for(i = 0; i < input_files[j]->nb_streams; i++) {
3832 AVCodecContext *c = input_files[j]->streams[i]->codec;
3833 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3835 fr = c->time_base.den * 1000 / c->time_base.num;
3839 } else if((fr == 29970) || (fr == 23976)) {
3849 if(verbose && norm != UNKNOWN)
3850 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3853 if(norm == UNKNOWN) {
3854 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3855 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3856 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3860 if(!strcmp(arg, "vcd")) {
3862 opt_video_codec("mpeg1video");
3863 opt_audio_codec("mp2");
3866 opt_frame_size(norm == PAL ? "352x288" : "352x240");
3867 opt_frame_rate(NULL, frame_rates[norm]);
3868 opt_default("g", norm == PAL ? "15" : "18");
3870 opt_default("b", "1150000");
3871 opt_default("maxrate", "1150000");
3872 opt_default("minrate", "1150000");
3873 opt_default("bufsize", "327680"); // 40*1024*8;
3875 opt_default("ab", "224000");
3876 audio_sample_rate = 44100;
3879 opt_default("packetsize", "2324");
3880 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3882 /* We have to offset the PTS, so that it is consistent with the SCR.
3883 SCR starts at 36000, but the first two packs contain only padding
3884 and the first pack from the other stream, respectively, may also have
3885 been written before.
3886 So the real data starts at SCR 36000+3*1200. */
3887 mux_preload= (36000+3*1200) / 90000.0; //0.44
3888 } else if(!strcmp(arg, "svcd")) {
3890 opt_video_codec("mpeg2video");
3891 opt_audio_codec("mp2");
3894 opt_frame_size(norm == PAL ? "480x576" : "480x480");
3895 opt_frame_rate(NULL, frame_rates[norm]);
3896 opt_default("g", norm == PAL ? "15" : "18");
3898 opt_default("b", "2040000");
3899 opt_default("maxrate", "2516000");
3900 opt_default("minrate", "0"); //1145000;
3901 opt_default("bufsize", "1835008"); //224*1024*8;
3902 opt_default("flags", "+scan_offset");
3905 opt_default("ab", "224000");
3906 audio_sample_rate = 44100;
3908 opt_default("packetsize", "2324");
3910 } else if(!strcmp(arg, "dvd")) {
3912 opt_video_codec("mpeg2video");
3913 opt_audio_codec("ac3");
3916 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3917 opt_frame_rate(NULL, frame_rates[norm]);
3918 opt_default("g", norm == PAL ? "15" : "18");
3920 opt_default("b", "6000000");
3921 opt_default("maxrate", "9000000");
3922 opt_default("minrate", "0"); //1500000;
3923 opt_default("bufsize", "1835008"); //224*1024*8;
3925 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3926 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3928 opt_default("ab", "448000");
3929 audio_sample_rate = 48000;
3931 } else if(!strncmp(arg, "dv", 2)) {
3935 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3936 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3937 (norm == PAL ? "yuv420p" : "yuv411p"));
3938 opt_frame_rate(NULL, frame_rates[norm]);
3940 audio_sample_rate = 48000;
3944 fprintf(stderr, "Unknown target: %s\n", arg);
3949 static void opt_vstats_file (const char *arg)
3951 av_free (vstats_filename);
3952 vstats_filename=av_strdup (arg);
3955 static void opt_vstats (void)
3958 time_t today2 = time(NULL);
3959 struct tm *today = localtime(&today2);
3961 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3963 opt_vstats_file(filename);
3966 static int opt_bsf(const char *opt, const char *arg)
3968 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3969 AVBitStreamFilterContext **bsfp;
3972 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3976 bsfp= *opt == 'v' ? &video_bitstream_filters :
3977 *opt == 'a' ? &audio_bitstream_filters :
3978 &subtitle_bitstream_filters;
3980 bsfp= &(*bsfp)->next;
3987 static int opt_preset(const char *opt, const char *arg)
3990 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3992 const char *base[3]= { getenv("FFMPEG_DATADIR"),
3998 for(i=0; i<3 && !f; i++){
4001 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
4002 f= fopen(filename, "r");
4004 char *codec_name= *opt == 'v' ? video_codec_name :
4005 *opt == 'a' ? audio_codec_name :
4006 subtitle_codec_name;
4007 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec_name, arg);
4008 f= fopen(filename, "r");
4012 av_strlcpy(filename, arg, sizeof(filename));
4013 f= fopen(filename, "r");
4017 fprintf(stderr, "File for preset '%s' not found\n", arg);
4022 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4023 if(line[0] == '#' && !e)
4025 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4027 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4030 if(!strcmp(tmp, "acodec")){
4031 opt_audio_codec(tmp2);
4032 }else if(!strcmp(tmp, "vcodec")){
4033 opt_video_codec(tmp2);
4034 }else if(!strcmp(tmp, "scodec")){
4035 opt_subtitle_codec(tmp2);
4036 }else if(opt_default(tmp, tmp2) < 0){
4037 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4047 static const OptionDef options[] = {
4049 #include "cmdutils_common_opts.h"
4050 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4051 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4052 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4053 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4054 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4055 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4056 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4057 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4058 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4059 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4060 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4061 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4062 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4063 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4064 "add timings for benchmarking" },
4065 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4066 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4067 "dump each input packet" },
4068 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4069 "when dumping packets, also dump the payload" },
4070 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4071 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4072 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
4073 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4074 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4075 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4076 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4077 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4078 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4079 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4080 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4081 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4082 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4083 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4084 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4085 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4088 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4089 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4090 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4091 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4092 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4093 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4094 { "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" },
4095 { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4096 { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4097 { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4098 { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4099 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4100 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4101 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4102 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4103 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4104 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4105 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4106 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4107 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4108 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4109 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4110 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4111 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4112 "use same video quality as source (implies VBR)" },
4113 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4114 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4115 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4116 "deinterlace pictures" },
4117 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4118 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4119 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4121 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4123 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4124 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4125 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4126 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4127 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4128 { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4129 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4130 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4131 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4132 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4133 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4136 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4137 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4138 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4139 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4140 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4141 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4142 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4143 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4144 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4145 { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4146 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4147 { "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" },
4149 /* subtitle options */
4150 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4151 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4152 { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4153 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4154 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4157 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4158 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4159 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4162 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4163 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4165 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4166 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4167 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4169 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4170 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4171 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4172 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4174 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4178 int main(int argc, char **argv)
4182 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4184 avcodec_register_all();
4186 avdevice_register_all();
4189 avfilter_register_all();
4194 if(isatty(STDIN_FILENO))
4195 url_set_interrupt_cb(decode_interrupt_cb);
4203 parse_options(argc, argv, options, opt_output_file);
4205 if(nb_output_files <= 0 && nb_input_files == 0) {
4207 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4211 /* file converter / grab */
4212 if (nb_output_files <= 0) {
4213 fprintf(stderr, "At least one output file must be specified\n");
4217 if (nb_input_files == 0) {
4218 fprintf(stderr, "At least one input file must be specified\n");
4223 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4224 stream_maps, nb_stream_maps) < 0)
4226 ti = getutime() - ti;
4228 int maxrss = getmaxrss() / 1024;
4229 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4232 return ffmpeg_exit(0);