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 = NULL;
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);
537 av_free(meta_data_maps);
539 av_free(video_codec_name);
540 av_free(audio_codec_name);
541 av_free(subtitle_codec_name);
543 av_free(video_standard);
548 allocated_audio_buf_size= allocated_audio_out_size= 0;
555 if (received_sigterm) {
557 "Received signal %d: terminating.\n",
558 (int) received_sigterm);
562 exit(ret); /* not all OS-es handle main() return value */
566 /* similar to ff_dynarray_add() and av_fast_realloc() */
567 static void *grow_array(void *array, int elem_size, int *size, int new_size)
569 if (new_size >= INT_MAX / elem_size) {
570 fprintf(stderr, "Array too big.\n");
573 if (*size < new_size) {
574 uint8_t *tmp = av_realloc(array, new_size*elem_size);
576 fprintf(stderr, "Could not alloc buffer.\n");
579 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
586 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
588 if(codec && codec->sample_fmts){
589 const enum SampleFormat *p= codec->sample_fmts;
591 if(*p == st->codec->sample_fmt)
595 st->codec->sample_fmt = codec->sample_fmts[0];
599 static void choose_sample_rate(AVStream *st, AVCodec *codec)
601 if(codec && codec->supported_samplerates){
602 const int *p= codec->supported_samplerates;
604 int best_dist=INT_MAX;
606 int dist= abs(st->codec->sample_rate - *p);
607 if(dist < best_dist){
613 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
615 st->codec->sample_rate= best;
619 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
621 if(codec && codec->pix_fmts){
622 const enum PixelFormat *p= codec->pix_fmts;
624 if(*p == st->codec->pix_fmt)
628 && !( st->codec->codec_id==CODEC_ID_MJPEG
629 && st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL
630 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
631 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
632 st->codec->pix_fmt = codec->pix_fmts[0];
636 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
638 int idx = oc->nb_streams - 1;
641 output_streams_for_file[file_idx] =
642 grow_array(output_streams_for_file[file_idx],
643 sizeof(*output_streams_for_file[file_idx]),
644 &nb_output_streams_for_file[file_idx],
646 ost = output_streams_for_file[file_idx][idx] =
647 av_mallocz(sizeof(AVOutputStream));
649 fprintf(stderr, "Could not alloc output stream\n");
652 ost->file_index = file_idx;
657 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
663 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
666 /* copy stream format */
668 for(i=0;i<ic->nb_streams;i++) {
674 // FIXME: a more elegant solution is needed
675 st = av_mallocz(sizeof(AVStream));
676 memcpy(st, ic->streams[i], sizeof(AVStream));
677 st->codec = avcodec_alloc_context();
679 print_error(filename, AVERROR(ENOMEM));
682 avcodec_copy_context(st->codec, ic->streams[i]->codec);
685 codec = avcodec_find_encoder(st->codec->codec_id);
686 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
687 if (audio_stream_copy) {
690 choose_sample_fmt(st, codec);
691 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
692 if (video_stream_copy) {
695 choose_pixel_fmt(st, codec);
698 if(!st->codec->thread_count)
699 st->codec->thread_count = 1;
700 if(st->codec->thread_count>1)
701 avcodec_thread_init(st->codec, st->codec->thread_count);
703 if(st->codec->flags & CODEC_FLAG_BITEXACT)
706 new_output_stream(s, nb_output_files);
710 s->timestamp = av_gettime();
712 av_close_input_file(ic);
717 get_sync_ipts(const AVOutputStream *ost)
719 const AVInputStream *ist = ost->sync_ist;
720 return (double)(ist->pts - start_time)/AV_TIME_BASE;
723 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
727 AVPacket new_pkt= *pkt;
728 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
729 &new_pkt.data, &new_pkt.size,
730 pkt->data, pkt->size,
731 pkt->flags & AV_PKT_FLAG_KEY);
734 new_pkt.destruct= av_destruct_packet;
736 fprintf(stderr, "%s failed for stream %d, codec %s",
737 bsfc->filter->name, pkt->stream_index,
738 avctx->codec ? avctx->codec->name : "copy");
748 ret= av_interleaved_write_frame(s, pkt);
750 print_error("av_interleaved_write_frame()", ret);
755 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
757 static void do_audio_out(AVFormatContext *s,
760 unsigned char *buf, int size)
763 int64_t audio_out_size, audio_buf_size;
764 int64_t allocated_for_size= size;
766 int size_out, frame_bytes, ret;
767 AVCodecContext *enc= ost->st->codec;
768 AVCodecContext *dec= ist->st->codec;
769 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
770 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
771 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
774 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
775 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
776 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
777 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
778 audio_buf_size*= osize*enc->channels;
780 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
781 if(coded_bps > 8*osize)
782 audio_out_size= audio_out_size * coded_bps / (8*osize);
783 audio_out_size += FF_MIN_BUFFER_SIZE;
785 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
786 fprintf(stderr, "Buffer sizes too large\n");
790 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
791 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
792 if (!audio_buf || !audio_out){
793 fprintf(stderr, "Out of memory in do_audio_out\n");
797 if (enc->channels != dec->channels)
798 ost->audio_resample = 1;
800 if (ost->audio_resample && !ost->resample) {
801 if (dec->sample_fmt != SAMPLE_FMT_S16)
802 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
803 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
804 enc->sample_rate, dec->sample_rate,
805 enc->sample_fmt, dec->sample_fmt,
807 if (!ost->resample) {
808 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
809 dec->channels, dec->sample_rate,
810 enc->channels, enc->sample_rate);
815 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
816 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
817 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
818 if (ost->reformat_ctx)
819 av_audio_convert_free(ost->reformat_ctx);
820 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
821 dec->sample_fmt, 1, NULL, 0);
822 if (!ost->reformat_ctx) {
823 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
824 avcodec_get_sample_fmt_name(dec->sample_fmt),
825 avcodec_get_sample_fmt_name(enc->sample_fmt));
828 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
831 if(audio_sync_method){
832 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
833 - av_fifo_size(ost->fifo)/(enc->channels * 2);
834 double idelta= delta*dec->sample_rate / enc->sample_rate;
835 int byte_delta= ((int)idelta)*2*dec->channels;
837 //FIXME resample delay
838 if(fabs(delta) > 50){
839 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
841 byte_delta= FFMAX(byte_delta, -size);
845 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
850 static uint8_t *input_tmp= NULL;
851 input_tmp= av_realloc(input_tmp, byte_delta + size);
853 if(byte_delta > allocated_for_size - size){
854 allocated_for_size= byte_delta + (int64_t)size;
859 memset(input_tmp, 0, byte_delta);
860 memcpy(input_tmp + byte_delta, buf, size);
864 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
866 }else if(audio_sync_method>1){
867 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
868 av_assert0(ost->audio_resample);
870 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
871 // 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));
872 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
876 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
877 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
879 if (ost->audio_resample) {
881 size_out = audio_resample(ost->resample,
882 (short *)buftmp, (short *)buf,
883 size / (dec->channels * isize));
884 size_out = size_out * enc->channels * osize;
890 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
891 const void *ibuf[6]= {buftmp};
892 void *obuf[6]= {audio_buf};
893 int istride[6]= {isize};
894 int ostride[6]= {osize};
895 int len= size_out/istride[0];
896 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
897 printf("av_audio_convert() failed\n");
903 size_out = len*osize;
906 /* now encode as many frames as possible */
907 if (enc->frame_size > 1) {
908 /* output resampled raw samples */
909 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
910 fprintf(stderr, "av_fifo_realloc2() failed\n");
913 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
915 frame_bytes = enc->frame_size * osize * enc->channels;
917 while (av_fifo_size(ost->fifo) >= frame_bytes) {
919 av_init_packet(&pkt);
921 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
923 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
925 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
928 fprintf(stderr, "Audio encoding failed\n");
932 pkt.stream_index= ost->index;
935 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
936 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
937 pkt.flags |= AV_PKT_FLAG_KEY;
938 write_frame(s, &pkt, enc, ost->bitstream_filters);
940 ost->sync_opts += enc->frame_size;
944 av_init_packet(&pkt);
946 ost->sync_opts += size_out / (osize * enc->channels);
948 /* output a pcm frame */
949 /* determine the size of the coded buffer */
952 size_out = size_out*coded_bps/8;
954 if(size_out > audio_out_size){
955 fprintf(stderr, "Internal error, buffer size too small\n");
959 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
960 ret = avcodec_encode_audio(enc, audio_out, size_out,
963 fprintf(stderr, "Audio encoding failed\n");
967 pkt.stream_index= ost->index;
970 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
971 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
972 pkt.flags |= AV_PKT_FLAG_KEY;
973 write_frame(s, &pkt, enc, ost->bitstream_filters);
977 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
981 AVPicture picture_tmp;
984 dec = ist->st->codec;
986 /* deinterlace : must be done before any resize */
987 if (do_deinterlace) {
990 /* create temporary picture */
991 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
992 buf = av_malloc(size);
996 picture2 = &picture_tmp;
997 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
999 if(avpicture_deinterlace(picture2, picture,
1000 dec->pix_fmt, dec->width, dec->height) < 0) {
1001 /* if error, do not deinterlace */
1002 fprintf(stderr, "Deinterlacing failed\n");
1011 if (picture != picture2)
1012 *picture = *picture2;
1016 /* we begin to correct av delay at this threshold */
1017 #define AV_DELAY_MAX 0.100
1019 static void do_subtitle_out(AVFormatContext *s,
1020 AVOutputStream *ost,
1025 static uint8_t *subtitle_out = NULL;
1026 int subtitle_out_max_size = 1024 * 1024;
1027 int subtitle_out_size, nb, i;
1028 AVCodecContext *enc;
1031 if (pts == AV_NOPTS_VALUE) {
1032 fprintf(stderr, "Subtitle packets must have a pts\n");
1038 enc = ost->st->codec;
1040 if (!subtitle_out) {
1041 subtitle_out = av_malloc(subtitle_out_max_size);
1044 /* Note: DVB subtitle need one packet to draw them and one other
1045 packet to clear them */
1046 /* XXX: signal it in the codec context ? */
1047 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1052 for(i = 0; i < nb; i++) {
1053 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1054 // start_display_time is required to be 0
1055 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1056 sub->end_display_time -= sub->start_display_time;
1057 sub->start_display_time = 0;
1058 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1059 subtitle_out_max_size, sub);
1060 if (subtitle_out_size < 0) {
1061 fprintf(stderr, "Subtitle encoding failed\n");
1065 av_init_packet(&pkt);
1066 pkt.stream_index = ost->index;
1067 pkt.data = subtitle_out;
1068 pkt.size = subtitle_out_size;
1069 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1070 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1071 /* XXX: the pts correction is handled here. Maybe handling
1072 it in the codec would be better */
1074 pkt.pts += 90 * sub->start_display_time;
1076 pkt.pts += 90 * sub->end_display_time;
1078 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1082 static int bit_buffer_size= 1024*256;
1083 static uint8_t *bit_buffer= NULL;
1085 static void do_video_out(AVFormatContext *s,
1086 AVOutputStream *ost,
1088 AVFrame *in_picture,
1091 int nb_frames, i, ret;
1092 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1093 AVCodecContext *enc, *dec;
1096 enc = ost->st->codec;
1097 dec = ist->st->codec;
1099 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1101 /* by default, we output a single frame */
1106 if(video_sync_method){
1107 double vdelta = sync_ipts - ost->sync_opts;
1108 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1111 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1114 }else if(vdelta>0.6)
1115 ost->sync_opts= lrintf(sync_ipts);
1116 }else if (vdelta > 1.1)
1117 nb_frames = lrintf(vdelta);
1118 //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);
1119 if (nb_frames == 0){
1122 fprintf(stderr, "*** drop!\n");
1123 }else if (nb_frames > 1) {
1124 nb_frames_dup += nb_frames - 1;
1126 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1129 ost->sync_opts= lrintf(sync_ipts);
1131 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1135 formatted_picture = in_picture;
1136 final_picture = formatted_picture;
1137 padding_src = formatted_picture;
1138 resampling_dst = &ost->pict_tmp;
1140 if ( ost->resample_height != ist->st->codec->height
1141 || ost->resample_width != ist->st->codec->width
1142 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1144 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));
1145 if(!ost->video_resample)
1149 #if !CONFIG_AVFILTER
1150 if (ost->video_resample) {
1152 final_picture = &ost->pict_tmp;
1153 if( ost->resample_height != ist->st->codec->height
1154 || ost->resample_width != ist->st->codec->width
1155 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1157 /* initialize a new scaler context */
1158 sws_freeContext(ost->img_resample_ctx);
1159 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1160 ost->img_resample_ctx = sws_getContext(
1161 ist->st->codec->width,
1162 ist->st->codec->height,
1163 ist->st->codec->pix_fmt,
1164 ost->st->codec->width,
1165 ost->st->codec->height,
1166 ost->st->codec->pix_fmt,
1167 sws_flags, NULL, NULL, NULL);
1168 if (ost->img_resample_ctx == NULL) {
1169 fprintf(stderr, "Cannot get resampling context\n");
1173 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1174 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1178 /* duplicates frame if needed */
1179 for(i=0;i<nb_frames;i++) {
1181 av_init_packet(&pkt);
1182 pkt.stream_index= ost->index;
1184 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1185 /* raw pictures are written as AVPicture structure to
1186 avoid any copies. We support temorarily the older
1188 AVFrame* old_frame = enc->coded_frame;
1189 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1190 pkt.data= (uint8_t *)final_picture;
1191 pkt.size= sizeof(AVPicture);
1192 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1193 pkt.flags |= AV_PKT_FLAG_KEY;
1195 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1196 enc->coded_frame = old_frame;
1198 AVFrame big_picture;
1200 big_picture= *final_picture;
1201 /* better than nothing: use input picture interlaced
1203 big_picture.interlaced_frame = in_picture->interlaced_frame;
1204 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1205 if(top_field_first == -1)
1206 big_picture.top_field_first = in_picture->top_field_first;
1208 big_picture.top_field_first = top_field_first;
1211 /* handles sameq here. This is not correct because it may
1212 not be a global option */
1213 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1215 big_picture.pict_type = 0;
1216 // big_picture.pts = AV_NOPTS_VALUE;
1217 big_picture.pts= ost->sync_opts;
1218 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1219 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1220 if (ost->forced_kf_index < ost->forced_kf_count &&
1221 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1222 big_picture.pict_type = FF_I_TYPE;
1223 ost->forced_kf_index++;
1225 ret = avcodec_encode_video(enc,
1226 bit_buffer, bit_buffer_size,
1229 fprintf(stderr, "Video encoding failed\n");
1234 pkt.data= bit_buffer;
1236 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1237 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1238 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1239 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1240 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1242 if(enc->coded_frame->key_frame)
1243 pkt.flags |= AV_PKT_FLAG_KEY;
1244 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1247 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1248 // enc->frame_number-1, ret, enc->pict_type);
1249 /* if two pass, output log */
1250 if (ost->logfile && enc->stats_out) {
1251 fprintf(ost->logfile, "%s", enc->stats_out);
1256 ost->frame_number++;
1260 static double psnr(double d){
1261 return -10.0*log(d)/log(10.0);
1264 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1267 AVCodecContext *enc;
1269 double ti1, bitrate, avg_bitrate;
1271 /* this is executed just the first time do_video_stats is called */
1273 vstats_file = fopen(vstats_filename, "w");
1280 enc = ost->st->codec;
1281 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1282 frame_number = ost->frame_number;
1283 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1284 if (enc->flags&CODEC_FLAG_PSNR)
1285 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1287 fprintf(vstats_file,"f_size= %6d ", frame_size);
1288 /* compute pts value */
1289 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1293 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1294 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1295 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1296 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1297 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1301 static void print_report(AVFormatContext **output_files,
1302 AVOutputStream **ost_table, int nb_ostreams,
1306 AVOutputStream *ost;
1307 AVFormatContext *oc;
1309 AVCodecContext *enc;
1310 int frame_number, vid, i;
1311 double bitrate, ti1, pts;
1312 static int64_t last_time = -1;
1313 static int qp_histogram[52];
1315 if (!is_last_report) {
1317 /* display the report every 0.5 seconds */
1318 cur_time = av_gettime();
1319 if (last_time == -1) {
1320 last_time = cur_time;
1323 if ((cur_time - last_time) < 500000)
1325 last_time = cur_time;
1329 oc = output_files[0];
1331 total_size = url_fsize(oc->pb);
1332 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1333 total_size= url_ftell(oc->pb);
1338 for(i=0;i<nb_ostreams;i++) {
1340 enc = ost->st->codec;
1341 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1342 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1343 !ost->st->stream_copy ?
1344 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1346 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1347 float t = (av_gettime()-timer_start) / 1000000.0;
1349 frame_number = ost->frame_number;
1350 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1351 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1352 !ost->st->stream_copy ?
1353 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1355 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1358 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1359 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1362 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1364 if (enc->flags&CODEC_FLAG_PSNR){
1366 double error, error_sum=0;
1367 double scale, scale_sum=0;
1368 char type[3]= {'Y','U','V'};
1369 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1372 error= enc->error[j];
1373 scale= enc->width*enc->height*255.0*255.0*frame_number;
1375 error= enc->coded_frame->error[j];
1376 scale= enc->width*enc->height*255.0*255.0;
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1383 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1387 /* compute min output value */
1388 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1389 if ((pts < ti1) && (pts > 0))
1395 if (verbose || is_last_report) {
1396 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1399 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1400 (double)total_size / 1024, ti1, bitrate);
1402 if (nb_frames_dup || nb_frames_drop)
1403 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1404 nb_frames_dup, nb_frames_drop);
1407 fprintf(stderr, "%s \r", buf);
1412 if (is_last_report && verbose >= 0){
1413 int64_t raw= audio_size + video_size + extra_size;
1414 fprintf(stderr, "\n");
1415 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1419 100.0*(total_size - raw)/raw
1424 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1425 static int output_packet(AVInputStream *ist, int ist_index,
1426 AVOutputStream **ost_table, int nb_ostreams,
1427 const AVPacket *pkt)
1429 AVFormatContext *os;
1430 AVOutputStream *ost;
1434 void *buffer_to_free;
1435 static unsigned int samples_size= 0;
1436 AVSubtitle subtitle, *subtitle_to_free;
1437 int64_t pkt_pts = AV_NOPTS_VALUE;
1439 int frame_available;
1443 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1445 if(ist->next_pts == AV_NOPTS_VALUE)
1446 ist->next_pts= ist->pts;
1450 av_init_packet(&avpkt);
1458 if(pkt->dts != AV_NOPTS_VALUE)
1459 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1460 if(pkt->pts != AV_NOPTS_VALUE)
1461 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1463 //while we have more to decode or while the decoder did output something on EOF
1464 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1465 uint8_t *data_buf, *decoded_data_buf;
1466 int data_size, decoded_data_size;
1468 ist->pts= ist->next_pts;
1470 if(avpkt.size && avpkt.size != pkt->size &&
1471 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1472 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1473 ist->showed_multi_packet_warning=1;
1476 /* decode the packet if needed */
1477 decoded_data_buf = NULL; /* fail safe */
1478 decoded_data_size= 0;
1479 data_buf = avpkt.data;
1480 data_size = avpkt.size;
1481 subtitle_to_free = NULL;
1482 if (ist->decoding_needed) {
1483 switch(ist->st->codec->codec_type) {
1484 case AVMEDIA_TYPE_AUDIO:{
1485 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1486 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1488 samples= av_malloc(samples_size);
1490 decoded_data_size= samples_size;
1491 /* XXX: could avoid copy if PCM 16 bits with same
1492 endianness as CPU */
1493 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1500 /* Some bug in mpeg audio decoder gives */
1501 /* decoded_data_size < 0, it seems they are overflows */
1502 if (decoded_data_size <= 0) {
1503 /* no audio frame */
1506 decoded_data_buf = (uint8_t *)samples;
1507 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1508 (ist->st->codec->sample_rate * ist->st->codec->channels);
1510 case AVMEDIA_TYPE_VIDEO:
1511 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1512 /* XXX: allocate picture correctly */
1513 avcodec_get_frame_defaults(&picture);
1514 ist->st->codec->reordered_opaque = pkt_pts;
1515 pkt_pts = AV_NOPTS_VALUE;
1517 ret = avcodec_decode_video2(ist->st->codec,
1518 &picture, &got_picture, &avpkt);
1519 ist->st->quality= picture.quality;
1523 /* no picture yet */
1524 goto discard_packet;
1526 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.reordered_opaque, ist->pts);
1527 if (ist->st->codec->time_base.num != 0) {
1528 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1529 ist->next_pts += ((int64_t)AV_TIME_BASE *
1530 ist->st->codec->time_base.num * ticks) /
1531 ist->st->codec->time_base.den;
1535 case AVMEDIA_TYPE_SUBTITLE:
1536 ret = avcodec_decode_subtitle2(ist->st->codec,
1537 &subtitle, &got_picture, &avpkt);
1541 goto discard_packet;
1543 subtitle_to_free = &subtitle;
1550 switch(ist->st->codec->codec_type) {
1551 case AVMEDIA_TYPE_AUDIO:
1552 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1553 ist->st->codec->sample_rate;
1555 case AVMEDIA_TYPE_VIDEO:
1556 if (ist->st->codec->time_base.num != 0) {
1557 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1558 ist->next_pts += ((int64_t)AV_TIME_BASE *
1559 ist->st->codec->time_base.num * ticks) /
1560 ist->st->codec->time_base.den;
1568 buffer_to_free = NULL;
1569 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1570 pre_process_video_frame(ist, (AVPicture *)&picture,
1575 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1576 // add it to be filtered
1577 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1579 ist->st->codec->sample_aspect_ratio);
1583 // preprocess audio (volume)
1584 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1585 if (audio_volume != 256) {
1588 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1589 int v = ((*volp) * audio_volume + 128) >> 8;
1590 if (v < -32768) v = -32768;
1591 if (v > 32767) v = 32767;
1597 /* frame rate emulation */
1599 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1600 int64_t now = av_gettime() - ist->start;
1605 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1606 !ist->output_video_filter || avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1608 /* if output time reached then transcode raw format,
1609 encode packets and output them */
1610 if (start_time == 0 || ist->pts >= start_time)
1612 while (frame_available) {
1613 AVRational ist_pts_tb;
1614 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->output_video_filter)
1615 get_filtered_video_frame(ist->output_video_filter, &picture, &ist->picref, &ist_pts_tb);
1617 ist->pts = ist->picref->pts;
1619 for(i=0;i<nb_ostreams;i++) {
1623 if (ost->source_index == ist_index) {
1624 os = output_files[ost->file_index];
1626 /* set the input output pts pairs */
1627 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1629 if (ost->encoding_needed) {
1630 av_assert0(ist->decoding_needed);
1631 switch(ost->st->codec->codec_type) {
1632 case AVMEDIA_TYPE_AUDIO:
1633 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1635 case AVMEDIA_TYPE_VIDEO:
1637 if (ist->picref->video)
1638 ost->st->codec->sample_aspect_ratio = ist->picref->video->pixel_aspect;
1640 do_video_out(os, ost, ist, &picture, &frame_size);
1641 if (vstats_filename && frame_size)
1642 do_video_stats(os, ost, frame_size);
1644 case AVMEDIA_TYPE_SUBTITLE:
1645 do_subtitle_out(os, ost, ist, &subtitle,
1652 AVFrame avframe; //FIXME/XXX remove this
1654 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1656 av_init_packet(&opkt);
1658 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1661 /* no reencoding needed : output the packet directly */
1662 /* force the input stream PTS */
1664 avcodec_get_frame_defaults(&avframe);
1665 ost->st->codec->coded_frame= &avframe;
1666 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1668 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1669 audio_size += data_size;
1670 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1671 video_size += data_size;
1675 opkt.stream_index= ost->index;
1676 if(pkt->pts != AV_NOPTS_VALUE)
1677 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1679 opkt.pts= AV_NOPTS_VALUE;
1681 if (pkt->dts == AV_NOPTS_VALUE)
1682 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1684 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1685 opkt.dts -= ost_tb_start_time;
1687 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1688 opkt.flags= pkt->flags;
1690 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1691 if( ost->st->codec->codec_id != CODEC_ID_H264
1692 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1693 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1695 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1696 opkt.destruct= av_destruct_packet;
1698 opkt.data = data_buf;
1699 opkt.size = data_size;
1702 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1703 ost->st->codec->frame_number++;
1704 ost->frame_number++;
1705 av_free_packet(&opkt);
1711 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1712 ist->output_video_filter && avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1714 avfilter_unref_buffer(ist->picref);
1717 av_free(buffer_to_free);
1718 /* XXX: allocate the subtitles in the codec ? */
1719 if (subtitle_to_free) {
1720 if (subtitle_to_free->rects != NULL) {
1721 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1722 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1723 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1724 av_freep(&subtitle_to_free->rects[i]);
1726 av_freep(&subtitle_to_free->rects);
1728 subtitle_to_free->num_rects = 0;
1729 subtitle_to_free = NULL;
1736 for(i=0;i<nb_ostreams;i++) {
1738 if (ost->source_index == ist_index) {
1739 AVCodecContext *enc= ost->st->codec;
1740 os = output_files[ost->file_index];
1742 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1744 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1747 if (ost->encoding_needed) {
1751 av_init_packet(&pkt);
1752 pkt.stream_index= ost->index;
1754 switch(ost->st->codec->codec_type) {
1755 case AVMEDIA_TYPE_AUDIO:
1756 fifo_bytes = av_fifo_size(ost->fifo);
1758 /* encode any samples remaining in fifo */
1759 if (fifo_bytes > 0) {
1760 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1761 int fs_tmp = enc->frame_size;
1763 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1764 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1765 enc->frame_size = fifo_bytes / (osize * enc->channels);
1767 int frame_bytes = enc->frame_size*osize*enc->channels;
1768 if (allocated_audio_buf_size < frame_bytes)
1770 memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1773 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1774 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1775 ost->st->time_base.num, enc->sample_rate);
1776 enc->frame_size = fs_tmp;
1779 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1782 fprintf(stderr, "Audio encoding failed\n");
1786 pkt.flags |= AV_PKT_FLAG_KEY;
1788 case AVMEDIA_TYPE_VIDEO:
1789 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1791 fprintf(stderr, "Video encoding failed\n");
1795 if(enc->coded_frame && enc->coded_frame->key_frame)
1796 pkt.flags |= AV_PKT_FLAG_KEY;
1797 if (ost->logfile && enc->stats_out) {
1798 fprintf(ost->logfile, "%s", enc->stats_out);
1807 pkt.data= bit_buffer;
1809 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1810 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1811 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1823 static void print_sdp(AVFormatContext **avc, int n)
1827 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1828 printf("SDP:\n%s\n", sdp);
1832 static int copy_chapters(int infile, int outfile)
1834 AVFormatContext *is = input_files[infile];
1835 AVFormatContext *os = output_files[outfile];
1838 for (i = 0; i < is->nb_chapters; i++) {
1839 AVChapter *in_ch = is->chapters[i], *out_ch;
1840 AVMetadataTag *t = NULL;
1841 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1842 AV_TIME_BASE_Q, in_ch->time_base);
1843 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1844 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1847 if (in_ch->end < ts_off)
1849 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1852 out_ch = av_mallocz(sizeof(AVChapter));
1854 return AVERROR(ENOMEM);
1856 out_ch->id = in_ch->id;
1857 out_ch->time_base = in_ch->time_base;
1858 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1859 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1861 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1862 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1865 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1867 return AVERROR(ENOMEM);
1868 os->chapters[os->nb_chapters - 1] = out_ch;
1873 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1874 AVCodecContext *avctx)
1880 for (p = kf; *p; p++)
1883 ost->forced_kf_count = n;
1884 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1885 if (!ost->forced_kf_pts) {
1886 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1889 for (i = 0; i < n; i++) {
1890 p = i ? strchr(p, ',') + 1 : kf;
1891 t = parse_time_or_die("force_key_frames", p, 1);
1892 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1897 * The following code is the main loop of the file converter
1899 static int transcode(AVFormatContext **output_files,
1900 int nb_output_files,
1901 AVFormatContext **input_files,
1903 AVStreamMap *stream_maps, int nb_stream_maps)
1905 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1906 AVFormatContext *is, *os;
1907 AVCodecContext *codec, *icodec;
1908 AVOutputStream *ost, **ost_table = NULL;
1909 AVInputStream *ist, **ist_table = NULL;
1910 AVInputFile *file_table;
1914 uint8_t no_packet[MAX_FILES]={0};
1915 int no_packet_count=0;
1917 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1921 /* input stream init */
1923 for(i=0;i<nb_input_files;i++) {
1924 is = input_files[i];
1925 file_table[i].ist_index = j;
1926 file_table[i].nb_streams = is->nb_streams;
1927 j += is->nb_streams;
1931 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1935 for(i=0;i<nb_istreams;i++) {
1936 ist = av_mallocz(sizeof(AVInputStream));
1942 for(i=0;i<nb_input_files;i++) {
1943 is = input_files[i];
1944 for(k=0;k<is->nb_streams;k++) {
1945 ist = ist_table[j++];
1946 ist->st = is->streams[k];
1947 ist->file_index = i;
1949 ist->discard = 1; /* the stream is discarded by default
1953 ist->start = av_gettime();
1958 /* output stream init */
1960 for(i=0;i<nb_output_files;i++) {
1961 os = output_files[i];
1962 if (!os->nb_streams) {
1963 dump_format(output_files[i], i, output_files[i]->filename, 1);
1964 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1965 ret = AVERROR(EINVAL);
1968 nb_ostreams += os->nb_streams;
1970 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1971 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1972 ret = AVERROR(EINVAL);
1976 /* Sanity check the mapping args -- do the input files & streams exist? */
1977 for(i=0;i<nb_stream_maps;i++) {
1978 int fi = stream_maps[i].file_index;
1979 int si = stream_maps[i].stream_index;
1981 if (fi < 0 || fi > nb_input_files - 1 ||
1982 si < 0 || si > file_table[fi].nb_streams - 1) {
1983 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1984 ret = AVERROR(EINVAL);
1987 fi = stream_maps[i].sync_file_index;
1988 si = stream_maps[i].sync_stream_index;
1989 if (fi < 0 || fi > nb_input_files - 1 ||
1990 si < 0 || si > file_table[fi].nb_streams - 1) {
1991 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1992 ret = AVERROR(EINVAL);
1997 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2001 for(k=0;k<nb_output_files;k++) {
2002 os = output_files[k];
2003 for(i=0;i<os->nb_streams;i++,n++) {
2005 ost = ost_table[n] = output_streams_for_file[k][i];
2006 ost->st = os->streams[i];
2007 if (nb_stream_maps > 0) {
2008 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2009 stream_maps[n].stream_index;
2011 /* Sanity check that the stream types match */
2012 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2013 int i= ost->file_index;
2014 dump_format(output_files[i], i, output_files[i]->filename, 1);
2015 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2016 stream_maps[n].file_index, stream_maps[n].stream_index,
2017 ost->file_index, ost->index);
2022 int best_nb_frames=-1;
2023 /* get corresponding input stream index : we select the first one with the right type */
2025 for(j=0;j<nb_istreams;j++) {
2030 AVFormatContext *f= input_files[ ist->file_index ];
2032 for(pi=0; pi<f->nb_programs; pi++){
2033 AVProgram *p= f->programs[pi];
2034 if(p->id == opt_programid)
2035 for(si=0; si<p->nb_stream_indexes; si++){
2036 if(f->streams[ p->stream_index[si] ] == ist->st)
2041 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2042 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2043 if(best_nb_frames < ist->st->codec_info_nb_frames){
2044 best_nb_frames= ist->st->codec_info_nb_frames;
2045 ost->source_index = j;
2052 if(! opt_programid) {
2053 /* try again and reuse existing stream */
2054 for(j=0;j<nb_istreams;j++) {
2056 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2057 && ist->st->discard != AVDISCARD_ALL) {
2058 ost->source_index = j;
2064 int i= ost->file_index;
2065 dump_format(output_files[i], i, output_files[i]->filename, 1);
2066 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2067 ost->file_index, ost->index);
2072 ist = ist_table[ost->source_index];
2074 ost->sync_ist = (nb_stream_maps > 0) ?
2075 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2076 stream_maps[n].sync_stream_index] : ist;
2080 /* for each output stream, we compute the right encoding parameters */
2081 for(i=0;i<nb_ostreams;i++) {
2082 AVMetadataTag *t = NULL;
2084 os = output_files[ost->file_index];
2085 ist = ist_table[ost->source_index];
2087 codec = ost->st->codec;
2088 icodec = ist->st->codec;
2090 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2091 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2094 ost->st->disposition = ist->st->disposition;
2095 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2096 codec->chroma_sample_location = icodec->chroma_sample_location;
2098 if (ost->st->stream_copy) {
2099 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2101 if (extra_size > INT_MAX)
2104 /* if stream_copy is selected, no need to decode or encode */
2105 codec->codec_id = icodec->codec_id;
2106 codec->codec_type = icodec->codec_type;
2108 if(!codec->codec_tag){
2109 if( !os->oformat->codec_tag
2110 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2111 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2112 codec->codec_tag = icodec->codec_tag;
2115 codec->bit_rate = icodec->bit_rate;
2116 codec->rc_max_rate = icodec->rc_max_rate;
2117 codec->rc_buffer_size = icodec->rc_buffer_size;
2118 codec->extradata= av_mallocz(extra_size);
2119 if (!codec->extradata)
2121 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2122 codec->extradata_size= icodec->extradata_size;
2123 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){
2124 codec->time_base = icodec->time_base;
2125 codec->time_base.num *= icodec->ticks_per_frame;
2126 av_reduce(&codec->time_base.num, &codec->time_base.den,
2127 codec->time_base.num, codec->time_base.den, INT_MAX);
2129 codec->time_base = ist->st->time_base;
2130 switch(codec->codec_type) {
2131 case AVMEDIA_TYPE_AUDIO:
2132 if(audio_volume != 256) {
2133 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2136 codec->channel_layout = icodec->channel_layout;
2137 codec->sample_rate = icodec->sample_rate;
2138 codec->channels = icodec->channels;
2139 codec->frame_size = icodec->frame_size;
2140 codec->block_align= icodec->block_align;
2141 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2142 codec->block_align= 0;
2143 if(codec->codec_id == CODEC_ID_AC3)
2144 codec->block_align= 0;
2146 case AVMEDIA_TYPE_VIDEO:
2147 codec->pix_fmt = icodec->pix_fmt;
2148 codec->width = icodec->width;
2149 codec->height = icodec->height;
2150 codec->has_b_frames = icodec->has_b_frames;
2152 case AVMEDIA_TYPE_SUBTITLE:
2153 codec->width = icodec->width;
2154 codec->height = icodec->height;
2160 switch(codec->codec_type) {
2161 case AVMEDIA_TYPE_AUDIO:
2162 ost->fifo= av_fifo_alloc(1024);
2165 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2166 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2167 icodec->request_channels = codec->channels;
2168 ist->decoding_needed = 1;
2169 ost->encoding_needed = 1;
2171 case AVMEDIA_TYPE_VIDEO:
2172 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2173 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2176 ost->video_resample = (codec->width != icodec->width ||
2177 codec->height != icodec->height ||
2178 (codec->pix_fmt != icodec->pix_fmt));
2179 if (ost->video_resample) {
2180 avcodec_get_frame_defaults(&ost->pict_tmp);
2181 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2182 codec->width, codec->height)) {
2183 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2186 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2187 ost->img_resample_ctx = sws_getContext(
2194 sws_flags, NULL, NULL, NULL);
2195 if (ost->img_resample_ctx == NULL) {
2196 fprintf(stderr, "Cannot get resampling context\n");
2200 #if !CONFIG_AVFILTER
2201 ost->original_height = icodec->height;
2202 ost->original_width = icodec->width;
2204 codec->bits_per_raw_sample= 0;
2206 ost->resample_height = icodec->height;
2207 ost->resample_width = icodec->width;
2208 ost->resample_pix_fmt= icodec->pix_fmt;
2209 ost->encoding_needed = 1;
2210 ist->decoding_needed = 1;
2213 if (configure_filters(ist, ost)) {
2214 fprintf(stderr, "Error opening filters!\n");
2219 case AVMEDIA_TYPE_SUBTITLE:
2220 ost->encoding_needed = 1;
2221 ist->decoding_needed = 1;
2228 if (ost->encoding_needed &&
2229 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2230 char logfilename[1024];
2233 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2234 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2236 if (codec->flags & CODEC_FLAG_PASS1) {
2237 f = fopen(logfilename, "wb");
2239 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2245 size_t logbuffer_size;
2246 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2247 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2250 codec->stats_in = logbuffer;
2254 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2255 int size= codec->width * codec->height;
2256 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2261 bit_buffer = av_malloc(bit_buffer_size);
2263 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2265 ret = AVERROR(ENOMEM);
2269 /* open each encoder */
2270 for(i=0;i<nb_ostreams;i++) {
2272 if (ost->encoding_needed) {
2273 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2275 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2277 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2278 ost->st->codec->codec_id, ost->file_index, ost->index);
2279 ret = AVERROR(EINVAL);
2282 if (avcodec_open(ost->st->codec, codec) < 0) {
2283 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2284 ost->file_index, ost->index);
2285 ret = AVERROR(EINVAL);
2288 extra_size += ost->st->codec->extradata_size;
2292 /* open each decoder */
2293 for(i=0;i<nb_istreams;i++) {
2295 if (ist->decoding_needed) {
2296 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2298 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2300 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2301 ist->st->codec->codec_id, ist->file_index, ist->index);
2302 ret = AVERROR(EINVAL);
2305 if (avcodec_open(ist->st->codec, codec) < 0) {
2306 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2307 ist->file_index, ist->index);
2308 ret = AVERROR(EINVAL);
2311 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2312 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2317 for(i=0;i<nb_istreams;i++) {
2321 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2322 ist->next_pts = AV_NOPTS_VALUE;
2323 init_pts_correction(&ist->pts_ctx);
2327 /* set meta data information from input file if required */
2328 for (i=0;i<nb_meta_data_maps;i++) {
2329 AVFormatContext *out_file;
2330 AVFormatContext *in_file;
2331 AVMetadataTag *mtag;
2333 int out_file_index = meta_data_maps[i].out_file;
2334 int in_file_index = meta_data_maps[i].in_file;
2335 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2336 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2337 out_file_index, out_file_index, in_file_index);
2338 ret = AVERROR(EINVAL);
2341 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2342 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2343 in_file_index, out_file_index, in_file_index);
2344 ret = AVERROR(EINVAL);
2348 out_file = output_files[out_file_index];
2349 in_file = input_files[in_file_index];
2353 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2354 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2357 /* copy chapters from the first input file that has them*/
2358 for (i = 0; i < nb_input_files; i++) {
2359 if (!input_files[i]->nb_chapters)
2362 for (j = 0; j < nb_output_files; j++)
2363 if ((ret = copy_chapters(i, j)) < 0)
2367 /* open files and write file headers */
2368 for(i=0;i<nb_output_files;i++) {
2369 os = output_files[i];
2370 if (av_write_header(os) < 0) {
2371 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2372 ret = AVERROR(EINVAL);
2375 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2381 /* dump the file output parameters - cannot be done before in case
2383 for(i=0;i<nb_output_files;i++) {
2384 dump_format(output_files[i], i, output_files[i]->filename, 1);
2387 /* dump the stream mapping */
2389 fprintf(stderr, "Stream mapping:\n");
2390 for(i=0;i<nb_ostreams;i++) {
2392 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2393 ist_table[ost->source_index]->file_index,
2394 ist_table[ost->source_index]->index,
2397 if (ost->sync_ist != ist_table[ost->source_index])
2398 fprintf(stderr, " [sync #%d.%d]",
2399 ost->sync_ist->file_index,
2400 ost->sync_ist->index);
2401 fprintf(stderr, "\n");
2406 fprintf(stderr, "%s\n", error);
2411 print_sdp(output_files, nb_output_files);
2414 if (!using_stdin && verbose >= 0) {
2415 fprintf(stderr, "Press [q] to stop encoding\n");
2416 url_set_interrupt_cb(decode_interrupt_cb);
2420 timer_start = av_gettime();
2422 for(; received_sigterm == 0;) {
2423 int file_index, ist_index;
2431 /* if 'q' pressed, exits */
2435 /* read_key() returns 0 on EOF */
2441 /* select the stream that we must read now by looking at the
2442 smallest output pts */
2444 for(i=0;i<nb_ostreams;i++) {
2447 os = output_files[ost->file_index];
2448 ist = ist_table[ost->source_index];
2449 if(ist->is_past_recording_time || no_packet[ist->file_index])
2451 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2452 ipts = (double)ist->pts;
2453 if (!file_table[ist->file_index].eof_reached){
2454 if(ipts < ipts_min) {
2456 if(input_sync ) file_index = ist->file_index;
2458 if(opts < opts_min) {
2460 if(!input_sync) file_index = ist->file_index;
2463 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2468 /* if none, if is finished */
2469 if (file_index < 0) {
2470 if(no_packet_count){
2472 memset(no_packet, 0, sizeof(no_packet));
2479 /* finish if limit size exhausted */
2480 if (limit_filesize != 0 && limit_filesize <= url_ftell(output_files[0]->pb))
2483 /* read a frame from it and output it in the fifo */
2484 is = input_files[file_index];
2485 ret= av_read_frame(is, &pkt);
2486 if(ret == AVERROR(EAGAIN)){
2487 no_packet[file_index]=1;
2492 file_table[file_index].eof_reached = 1;
2500 memset(no_packet, 0, sizeof(no_packet));
2503 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2505 /* the following test is needed in case new streams appear
2506 dynamically in stream : we ignore them */
2507 if (pkt.stream_index >= file_table[file_index].nb_streams)
2508 goto discard_packet;
2509 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2510 ist = ist_table[ist_index];
2512 goto discard_packet;
2514 if (pkt.dts != AV_NOPTS_VALUE)
2515 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2516 if (pkt.pts != AV_NOPTS_VALUE)
2517 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2519 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2520 && input_files_ts_scale[file_index][pkt.stream_index]){
2521 if(pkt.pts != AV_NOPTS_VALUE)
2522 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2523 if(pkt.dts != AV_NOPTS_VALUE)
2524 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2527 // 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);
2528 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2529 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2530 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2531 int64_t delta= pkt_dts - ist->next_pts;
2532 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2533 input_files_ts_offset[ist->file_index]-= delta;
2535 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2536 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2537 if(pkt.pts != AV_NOPTS_VALUE)
2538 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2542 /* finish if recording time exhausted */
2543 if (recording_time != INT64_MAX &&
2544 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2545 ist->is_past_recording_time = 1;
2546 goto discard_packet;
2549 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2550 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2553 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2554 ist->file_index, ist->index);
2557 av_free_packet(&pkt);
2562 av_free_packet(&pkt);
2564 /* dump report by using the output first video and audio streams */
2565 print_report(output_files, ost_table, nb_ostreams, 0);
2568 /* at the end of stream, we must flush the decoder buffers */
2569 for(i=0;i<nb_istreams;i++) {
2571 if (ist->decoding_needed) {
2572 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2578 /* write the trailer if needed and close file */
2579 for(i=0;i<nb_output_files;i++) {
2580 os = output_files[i];
2581 av_write_trailer(os);
2584 /* dump report by using the first video and audio streams */
2585 print_report(output_files, ost_table, nb_ostreams, 1);
2587 /* close each encoder */
2588 for(i=0;i<nb_ostreams;i++) {
2590 if (ost->encoding_needed) {
2591 av_freep(&ost->st->codec->stats_in);
2592 avcodec_close(ost->st->codec);
2596 /* close each decoder */
2597 for(i=0;i<nb_istreams;i++) {
2599 if (ist->decoding_needed) {
2600 avcodec_close(ist->st->codec);
2605 avfilter_graph_destroy(graph);
2614 av_freep(&bit_buffer);
2615 av_free(file_table);
2618 for(i=0;i<nb_istreams;i++) {
2625 for(i=0;i<nb_ostreams;i++) {
2628 if (ost->st->stream_copy)
2629 av_freep(&ost->st->codec->extradata);
2631 fclose(ost->logfile);
2632 ost->logfile = NULL;
2634 av_fifo_free(ost->fifo); /* works even if fifo is not
2635 initialized but set to zero */
2636 av_free(ost->pict_tmp.data[0]);
2637 av_free(ost->forced_kf_pts);
2638 if (ost->video_resample)
2639 sws_freeContext(ost->img_resample_ctx);
2641 audio_resample_close(ost->resample);
2642 if (ost->reformat_ctx)
2643 av_audio_convert_free(ost->reformat_ctx);
2652 static void opt_format(const char *arg)
2654 /* compatibility stuff for pgmyuv */
2655 if (!strcmp(arg, "pgmyuv")) {
2656 pgmyuv_compatibility_hack=1;
2657 // opt_image_format(arg);
2659 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2662 last_asked_format = arg;
2665 static void opt_video_rc_override_string(const char *arg)
2667 video_rc_override_string = arg;
2670 static int opt_me_threshold(const char *opt, const char *arg)
2672 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2676 static int opt_verbose(const char *opt, const char *arg)
2678 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2682 static int opt_frame_rate(const char *opt, const char *arg)
2684 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2685 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2691 static int opt_bitrate(const char *opt, const char *arg)
2693 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2695 opt_default(opt, arg);
2697 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2698 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2703 static int opt_frame_crop(const char *opt, const char *arg)
2705 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2706 return AVERROR(EINVAL);
2709 static void opt_frame_size(const char *arg)
2711 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2712 fprintf(stderr, "Incorrect frame size\n");
2717 static int opt_pad(const char *opt, const char *arg) {
2718 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2722 static void opt_frame_pix_fmt(const char *arg)
2724 if (strcmp(arg, "list")) {
2725 frame_pix_fmt = av_get_pix_fmt(arg);
2726 if (frame_pix_fmt == PIX_FMT_NONE) {
2727 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2736 static void opt_frame_aspect_ratio(const char *arg)
2743 p = strchr(arg, ':');
2745 x = strtol(arg, &end, 10);
2747 y = strtol(end+1, &end, 10);
2749 ar = (double)x / (double)y;
2751 ar = strtod(arg, NULL);
2754 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2757 frame_aspect_ratio = ar;
2760 static int opt_metadata(const char *opt, const char *arg)
2762 char *mid= strchr(arg, '=');
2765 fprintf(stderr, "Missing =\n");
2770 av_metadata_set2(&metadata, arg, mid, 0);
2775 static void opt_qscale(const char *arg)
2777 video_qscale = atof(arg);
2778 if (video_qscale <= 0 ||
2779 video_qscale > 255) {
2780 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2785 static void opt_top_field_first(const char *arg)
2787 top_field_first= atoi(arg);
2790 static int opt_thread_count(const char *opt, const char *arg)
2792 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2795 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2800 static void opt_audio_sample_fmt(const char *arg)
2802 if (strcmp(arg, "list"))
2803 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2805 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2810 static int opt_audio_rate(const char *opt, const char *arg)
2812 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2816 static int opt_audio_channels(const char *opt, const char *arg)
2818 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2822 static void opt_video_channel(const char *arg)
2824 video_channel = strtol(arg, NULL, 0);
2827 static void opt_video_standard(const char *arg)
2829 video_standard = av_strdup(arg);
2832 static void opt_codec(int *pstream_copy, char **pcodec_name,
2833 int codec_type, const char *arg)
2835 av_freep(pcodec_name);
2836 if (!strcmp(arg, "copy")) {
2839 *pcodec_name = av_strdup(arg);
2843 static void opt_audio_codec(const char *arg)
2845 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2848 static void opt_video_codec(const char *arg)
2850 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2853 static void opt_subtitle_codec(const char *arg)
2855 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2858 static void opt_codec_tag(const char *opt, const char *arg)
2861 uint32_t *codec_tag;
2863 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2864 !strcmp(opt, "vtag") ? &video_codec_tag :
2865 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2867 *codec_tag = strtol(arg, &tail, 0);
2869 *codec_tag = arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2872 static void opt_map(const char *arg)
2877 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2878 m = &stream_maps[nb_stream_maps-1];
2880 m->file_index = strtol(arg, &p, 0);
2884 m->stream_index = strtol(p, &p, 0);
2887 m->sync_file_index = strtol(p, &p, 0);
2890 m->sync_stream_index = strtol(p, &p, 0);
2892 m->sync_file_index = m->file_index;
2893 m->sync_stream_index = m->stream_index;
2897 static void opt_map_meta_data(const char *arg)
2902 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2903 &nb_meta_data_maps, nb_meta_data_maps + 1);
2905 m = &meta_data_maps[nb_meta_data_maps - 1];
2906 m->out_file = strtol(arg, &p, 0);
2910 m->in_file = strtol(p, &p, 0);
2913 static void opt_input_ts_scale(const char *arg)
2915 unsigned int stream;
2919 stream = strtol(arg, &p, 0);
2922 scale= strtod(p, &p);
2924 if(stream >= MAX_STREAMS)
2927 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);
2928 input_files_ts_scale[nb_input_files][stream]= scale;
2931 static int opt_recording_time(const char *opt, const char *arg)
2933 recording_time = parse_time_or_die(opt, arg, 1);
2937 static int opt_start_time(const char *opt, const char *arg)
2939 start_time = parse_time_or_die(opt, arg, 1);
2943 static int opt_recording_timestamp(const char *opt, const char *arg)
2945 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2949 static int opt_input_ts_offset(const char *opt, const char *arg)
2951 input_ts_offset = parse_time_or_die(opt, arg, 1);
2955 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
2957 const char *codec_string = encoder ? "encoder" : "decoder";
2961 return CODEC_ID_NONE;
2963 avcodec_find_encoder_by_name(name) :
2964 avcodec_find_decoder_by_name(name);
2966 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2969 if(codec->type != type) {
2970 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2973 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
2974 strict > FF_COMPLIANCE_EXPERIMENTAL) {
2975 fprintf(stderr, "%s '%s' is experimental and might produce bad "
2976 "results.\nAdd '-strict experimental' if you want to use it.\n",
2977 codec_string, codec->name);
2979 avcodec_find_encoder(codec->id) :
2980 avcodec_find_decoder(codec->id);
2981 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
2982 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
2983 codec_string, codec->name);
2989 static void opt_input_file(const char *filename)
2991 AVFormatContext *ic;
2992 AVFormatParameters params, *ap = ¶ms;
2993 AVInputFormat *file_iformat = NULL;
2994 int err, i, ret, rfps, rfps_base;
2997 if (last_asked_format) {
2998 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2999 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3002 last_asked_format = NULL;
3005 if (!strcmp(filename, "-"))
3008 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3009 !strcmp(filename, "/dev/stdin");
3011 /* get default parameters from command line */
3012 ic = avformat_alloc_context();
3014 print_error(filename, AVERROR(ENOMEM));
3018 memset(ap, 0, sizeof(*ap));
3019 ap->prealloced_context = 1;
3020 ap->sample_rate = audio_sample_rate;
3021 ap->channels = audio_channels;
3022 ap->time_base.den = frame_rate.num;
3023 ap->time_base.num = frame_rate.den;
3024 ap->width = frame_width;
3025 ap->height = frame_height;
3026 ap->pix_fmt = frame_pix_fmt;
3027 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3028 ap->channel = video_channel;
3029 ap->standard = video_standard;
3031 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3033 ic->video_codec_id =
3034 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3035 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3036 ic->audio_codec_id =
3037 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3038 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3039 ic->subtitle_codec_id=
3040 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3041 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3042 ic->flags |= AVFMT_FLAG_NONBLOCK;
3044 if(pgmyuv_compatibility_hack)
3045 ic->video_codec_id= CODEC_ID_PGMYUV;
3047 /* open the input file with generic libav function */
3048 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3050 print_error(filename, err);
3056 for(i=0; i<ic->nb_streams; i++){
3057 ic->streams[i]->discard= AVDISCARD_ALL;
3059 for(i=0; i<ic->nb_programs; i++){
3060 AVProgram *p= ic->programs[i];
3061 if(p->id != opt_programid){
3062 p->discard = AVDISCARD_ALL;
3065 for(j=0; j<p->nb_stream_indexes; j++){
3066 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3071 fprintf(stderr, "Specified program id not found\n");
3077 ic->loop_input = loop_input;
3079 /* If not enough info to get the stream parameters, we decode the
3080 first frames to get it. (used in mpeg case for example) */
3081 ret = av_find_stream_info(ic);
3082 if (ret < 0 && verbose >= 0) {
3083 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3084 av_close_input_file(ic);
3088 timestamp = start_time;
3089 /* add the stream start time */
3090 if (ic->start_time != AV_NOPTS_VALUE)
3091 timestamp += ic->start_time;
3093 /* if seeking requested, we execute it */
3094 if (start_time != 0) {
3095 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3097 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3098 filename, (double)timestamp / AV_TIME_BASE);
3100 /* reset seek info */
3104 /* update the current parameters so that they match the one of the input stream */
3105 for(i=0;i<ic->nb_streams;i++) {
3106 AVStream *st = ic->streams[i];
3107 AVCodecContext *dec = st->codec;
3108 avcodec_thread_init(dec, thread_count);
3109 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3110 switch (dec->codec_type) {
3111 case AVMEDIA_TYPE_AUDIO:
3112 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3113 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]);
3114 //fprintf(stderr, "\nInput Audio channels: %d", dec->channels);
3115 channel_layout = dec->channel_layout;
3116 audio_channels = dec->channels;
3117 audio_sample_rate = dec->sample_rate;
3118 audio_sample_fmt = dec->sample_fmt;
3120 st->discard= AVDISCARD_ALL;
3121 /* Note that av_find_stream_info can add more streams, and we
3122 * currently have no chance of setting up lowres decoding
3123 * early enough for them. */
3125 audio_sample_rate >>= dec->lowres;
3127 case AVMEDIA_TYPE_VIDEO:
3128 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3129 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]);
3130 frame_height = dec->height;
3131 frame_width = dec->width;
3132 if(ic->streams[i]->sample_aspect_ratio.num)
3133 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3135 frame_aspect_ratio=av_q2d(dec->sample_aspect_ratio);
3136 frame_aspect_ratio *= (float) dec->width / dec->height;
3137 frame_pix_fmt = dec->pix_fmt;
3138 rfps = ic->streams[i]->r_frame_rate.num;
3139 rfps_base = ic->streams[i]->r_frame_rate.den;
3141 dec->flags |= CODEC_FLAG_EMU_EDGE;
3142 frame_height >>= dec->lowres;
3143 frame_width >>= dec->lowres;
3146 dec->debug |= FF_DEBUG_MV;
3148 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3151 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3152 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3154 (float)rfps / rfps_base, rfps, rfps_base);
3156 /* update the current frame rate to match the stream frame rate */
3157 frame_rate.num = rfps;
3158 frame_rate.den = rfps_base;
3161 st->discard= AVDISCARD_ALL;
3162 else if(video_discard)
3163 st->discard= video_discard;
3165 case AVMEDIA_TYPE_DATA:
3167 case AVMEDIA_TYPE_SUBTITLE:
3168 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3169 if(subtitle_disable)
3170 st->discard = AVDISCARD_ALL;
3172 case AVMEDIA_TYPE_ATTACHMENT:
3173 case AVMEDIA_TYPE_UNKNOWN:
3180 input_files[nb_input_files] = ic;
3181 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3182 /* dump the file content */
3184 dump_format(ic, nb_input_files, filename, 0);
3190 av_freep(&video_codec_name);
3191 av_freep(&audio_codec_name);
3192 av_freep(&subtitle_codec_name);
3195 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3196 int *has_subtitle_ptr)
3198 int has_video, has_audio, has_subtitle, i, j;
3199 AVFormatContext *ic;
3204 for(j=0;j<nb_input_files;j++) {
3205 ic = input_files[j];
3206 for(i=0;i<ic->nb_streams;i++) {
3207 AVCodecContext *enc = ic->streams[i]->codec;
3208 switch(enc->codec_type) {
3209 case AVMEDIA_TYPE_AUDIO:
3212 case AVMEDIA_TYPE_VIDEO:
3215 case AVMEDIA_TYPE_SUBTITLE:
3218 case AVMEDIA_TYPE_DATA:
3219 case AVMEDIA_TYPE_ATTACHMENT:
3220 case AVMEDIA_TYPE_UNKNOWN:
3227 *has_video_ptr = has_video;
3228 *has_audio_ptr = has_audio;
3229 *has_subtitle_ptr = has_subtitle;
3232 static void new_video_stream(AVFormatContext *oc, int file_idx)
3235 AVOutputStream *ost;
3236 AVCodecContext *video_enc;
3237 enum CodecID codec_id;
3238 AVCodec *codec= NULL;
3240 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3242 fprintf(stderr, "Could not alloc stream\n");
3245 ost = new_output_stream(oc, file_idx);
3247 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3248 if(!video_stream_copy){
3249 if (video_codec_name) {
3250 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3251 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3252 codec = avcodec_find_encoder_by_name(video_codec_name);
3253 output_codecs[nb_output_codecs-1] = codec;
3255 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3256 codec = avcodec_find_encoder(codec_id);
3260 avcodec_get_context_defaults3(st->codec, codec);
3261 ost->bitstream_filters = video_bitstream_filters;
3262 video_bitstream_filters= NULL;
3264 avcodec_thread_init(st->codec, thread_count);
3266 video_enc = st->codec;
3269 video_enc->codec_tag= video_codec_tag;
3271 if( (video_global_header&1)
3272 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3273 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3274 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3276 if(video_global_header&2){
3277 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3278 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3281 if (video_stream_copy) {
3282 st->stream_copy = 1;
3283 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3284 video_enc->sample_aspect_ratio =
3285 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3289 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3291 video_enc->codec_id = codec_id;
3292 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3294 if (codec && codec->supported_framerates && !force_fps)
3295 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3296 video_enc->time_base.den = fps.num;
3297 video_enc->time_base.num = fps.den;
3299 video_enc->width = frame_width;
3300 video_enc->height = frame_height;
3301 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3302 video_enc->pix_fmt = frame_pix_fmt;
3303 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3305 choose_pixel_fmt(st, codec);
3308 video_enc->gop_size = 0;
3309 if (video_qscale || same_quality) {
3310 video_enc->flags |= CODEC_FLAG_QSCALE;
3311 video_enc->global_quality=
3312 st->quality = FF_QP2LAMBDA * video_qscale;
3316 video_enc->intra_matrix = intra_matrix;
3318 video_enc->inter_matrix = inter_matrix;
3320 p= video_rc_override_string;
3323 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3325 fprintf(stderr, "error parsing rc_override\n");
3328 video_enc->rc_override=
3329 av_realloc(video_enc->rc_override,
3330 sizeof(RcOverride)*(i+1));
3331 video_enc->rc_override[i].start_frame= start;
3332 video_enc->rc_override[i].end_frame = end;
3334 video_enc->rc_override[i].qscale= q;
3335 video_enc->rc_override[i].quality_factor= 1.0;
3338 video_enc->rc_override[i].qscale= 0;
3339 video_enc->rc_override[i].quality_factor= -q/100.0;
3344 video_enc->rc_override_count=i;
3345 if (!video_enc->rc_initial_buffer_occupancy)
3346 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3347 video_enc->me_threshold= me_threshold;
3348 video_enc->intra_dc_precision= intra_dc_precision - 8;
3351 video_enc->flags|= CODEC_FLAG_PSNR;
3356 video_enc->flags |= CODEC_FLAG_PASS1;
3358 video_enc->flags |= CODEC_FLAG_PASS2;
3362 if (forced_key_frames)
3363 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3365 if (video_language) {
3366 av_metadata_set2(&st->metadata, "language", video_language, 0);
3367 av_freep(&video_language);
3370 /* reset some key parameters */
3372 av_freep(&video_codec_name);
3373 av_freep(&forced_key_frames);
3374 video_stream_copy = 0;
3375 frame_pix_fmt = PIX_FMT_NONE;
3378 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3381 AVOutputStream *ost;
3382 AVCodec *codec= NULL;
3383 AVCodecContext *audio_enc;
3384 enum CodecID codec_id;
3386 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3388 fprintf(stderr, "Could not alloc stream\n");
3391 ost = new_output_stream(oc, file_idx);
3393 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3394 if(!audio_stream_copy){
3395 if (audio_codec_name) {
3396 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3397 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3398 codec = avcodec_find_encoder_by_name(audio_codec_name);
3399 output_codecs[nb_output_codecs-1] = codec;
3401 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3402 codec = avcodec_find_encoder(codec_id);
3406 avcodec_get_context_defaults3(st->codec, codec);
3408 ost->bitstream_filters = audio_bitstream_filters;
3409 audio_bitstream_filters= NULL;
3411 avcodec_thread_init(st->codec, thread_count);
3413 audio_enc = st->codec;
3414 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3417 audio_enc->codec_tag= audio_codec_tag;
3419 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3420 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3421 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3423 if (audio_stream_copy) {
3424 st->stream_copy = 1;
3425 audio_enc->channels = audio_channels;
3426 audio_enc->sample_rate = audio_sample_rate;
3428 audio_enc->codec_id = codec_id;
3429 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3431 if (audio_qscale > QSCALE_NONE) {
3432 audio_enc->flags |= CODEC_FLAG_QSCALE;
3433 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3435 audio_enc->channels = audio_channels;
3436 audio_enc->sample_fmt = audio_sample_fmt;
3437 audio_enc->sample_rate = audio_sample_rate;
3438 audio_enc->channel_layout = channel_layout;
3439 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3440 audio_enc->channel_layout = 0;
3441 choose_sample_fmt(st, codec);
3442 choose_sample_rate(st, codec);
3444 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3445 if (audio_language) {
3446 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3447 av_freep(&audio_language);
3450 /* reset some key parameters */
3452 av_freep(&audio_codec_name);
3453 audio_stream_copy = 0;
3456 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3459 AVOutputStream *ost;
3460 AVCodec *codec=NULL;
3461 AVCodecContext *subtitle_enc;
3463 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3465 fprintf(stderr, "Could not alloc stream\n");
3468 ost = new_output_stream(oc, file_idx);
3469 subtitle_enc = st->codec;
3470 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3471 if(!subtitle_stream_copy){
3472 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3473 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3474 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3476 avcodec_get_context_defaults3(st->codec, codec);
3478 ost->bitstream_filters = subtitle_bitstream_filters;
3479 subtitle_bitstream_filters= NULL;
3481 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3483 if(subtitle_codec_tag)
3484 subtitle_enc->codec_tag= subtitle_codec_tag;
3486 if (subtitle_stream_copy) {
3487 st->stream_copy = 1;
3489 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3492 if (subtitle_language) {
3493 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3494 av_freep(&subtitle_language);
3497 subtitle_disable = 0;
3498 av_freep(&subtitle_codec_name);
3499 subtitle_stream_copy = 0;
3502 static int opt_new_stream(const char *opt, const char *arg)
3504 AVFormatContext *oc;
3505 int file_idx = nb_output_files - 1;
3506 if (nb_output_files <= 0) {
3507 fprintf(stderr, "At least one output file must be specified\n");
3510 oc = output_files[file_idx];
3512 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3513 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3514 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3519 /* arg format is "output-stream-index:streamid-value". */
3520 static int opt_streamid(const char *opt, const char *arg)
3526 strncpy(idx_str, arg, sizeof(idx_str));
3527 idx_str[sizeof(idx_str)-1] = '\0';
3528 p = strchr(idx_str, ':');
3531 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3536 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3537 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3538 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3542 static void opt_output_file(const char *filename)
3544 AVFormatContext *oc;
3545 int err, use_video, use_audio, use_subtitle;
3546 int input_has_video, input_has_audio, input_has_subtitle;
3547 AVFormatParameters params, *ap = ¶ms;
3548 AVOutputFormat *file_oformat;
3549 AVMetadataTag *tag = NULL;
3551 if (!strcmp(filename, "-"))
3554 oc = avformat_alloc_context();
3556 print_error(filename, AVERROR(ENOMEM));
3560 if (last_asked_format) {
3561 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3562 if (!file_oformat) {
3563 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3566 last_asked_format = NULL;
3568 file_oformat = av_guess_format(NULL, filename, NULL);
3569 if (!file_oformat) {
3570 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3576 oc->oformat = file_oformat;
3577 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3579 if (!strcmp(file_oformat->name, "ffm") &&
3580 av_strstart(filename, "http:", NULL)) {
3581 /* special case for files sent to ffserver: we get the stream
3582 parameters from ffserver */
3583 int err = read_ffserver_streams(oc, filename);
3585 print_error(filename, err);
3589 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3590 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3591 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3593 /* disable if no corresponding type found and at least one
3595 if (nb_input_files > 0) {
3596 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3597 &input_has_subtitle);
3598 if (!input_has_video)
3600 if (!input_has_audio)
3602 if (!input_has_subtitle)
3606 /* manual disable */
3607 if (audio_disable) use_audio = 0;
3608 if (video_disable) use_video = 0;
3609 if (subtitle_disable) use_subtitle = 0;
3611 if (use_video) new_video_stream(oc, nb_output_files);
3612 if (use_audio) new_audio_stream(oc, nb_output_files);
3613 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3615 oc->timestamp = recording_timestamp;
3617 while ((tag = av_metadata_get(metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
3618 av_metadata_set2(&oc->metadata, tag->key, tag->value, 0);
3619 av_metadata_free(&metadata);
3622 output_files[nb_output_files++] = oc;
3624 /* check filename in case of an image number is expected */
3625 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3626 if (!av_filename_number_test(oc->filename)) {
3627 print_error(oc->filename, AVERROR_NUMEXPECTED);
3632 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3633 /* test if it already exists to avoid loosing precious files */
3634 if (!file_overwrite &&
3635 (strchr(filename, ':') == NULL ||
3636 filename[1] == ':' ||
3637 av_strstart(filename, "file:", NULL))) {
3638 if (url_exist(filename)) {
3640 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3642 if (!read_yesno()) {
3643 fprintf(stderr, "Not overwriting - exiting\n");
3648 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3655 if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
3656 print_error(filename, err);
3661 memset(ap, 0, sizeof(*ap));
3662 if (av_set_parameters(oc, ap) < 0) {
3663 fprintf(stderr, "%s: Invalid encoding parameters\n",
3668 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3669 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3670 oc->loop_output = loop_output;
3671 oc->flags |= AVFMT_FLAG_NONBLOCK;
3673 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3675 nb_streamid_map = 0;
3676 av_freep(&forced_key_frames);
3679 /* same option as mencoder */
3680 static void opt_pass(const char *pass_str)
3683 pass = atoi(pass_str);
3684 if (pass != 1 && pass != 2) {
3685 fprintf(stderr, "pass number can be only 1 or 2\n");
3691 static int64_t getutime(void)
3694 struct rusage rusage;
3696 getrusage(RUSAGE_SELF, &rusage);
3697 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3698 #elif HAVE_GETPROCESSTIMES
3700 FILETIME c, e, k, u;
3701 proc = GetCurrentProcess();
3702 GetProcessTimes(proc, &c, &e, &k, &u);
3703 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3705 return av_gettime();
3709 static int64_t getmaxrss(void)
3711 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3712 struct rusage rusage;
3713 getrusage(RUSAGE_SELF, &rusage);
3714 return (int64_t)rusage.ru_maxrss * 1024;
3715 #elif HAVE_GETPROCESSMEMORYINFO
3717 PROCESS_MEMORY_COUNTERS memcounters;
3718 proc = GetCurrentProcess();
3719 memcounters.cb = sizeof(memcounters);
3720 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3721 return memcounters.PeakPagefileUsage;
3727 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3730 const char *p = str;
3737 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3744 static void opt_inter_matrix(const char *arg)
3746 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3747 parse_matrix_coeffs(inter_matrix, arg);
3750 static void opt_intra_matrix(const char *arg)
3752 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3753 parse_matrix_coeffs(intra_matrix, arg);
3756 static void show_usage(void)
3758 printf("Hyper fast Audio and Video encoder\n");
3759 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3763 static void show_help(void)
3765 av_log_set_callback(log_callback_help);
3767 show_help_options(options, "Main options:\n",
3768 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3769 show_help_options(options, "\nAdvanced options:\n",
3770 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3772 show_help_options(options, "\nVideo options:\n",
3773 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3775 show_help_options(options, "\nAdvanced Video options:\n",
3776 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3777 OPT_VIDEO | OPT_EXPERT);
3778 show_help_options(options, "\nAudio options:\n",
3779 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3781 show_help_options(options, "\nAdvanced Audio options:\n",
3782 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3783 OPT_AUDIO | OPT_EXPERT);
3784 show_help_options(options, "\nSubtitle options:\n",
3785 OPT_SUBTITLE | OPT_GRAB,
3787 show_help_options(options, "\nAudio/Video grab options:\n",
3791 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3793 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3795 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3798 static void opt_target(const char *arg)
3800 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3801 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3803 if(!strncmp(arg, "pal-", 4)) {
3806 } else if(!strncmp(arg, "ntsc-", 5)) {
3809 } else if(!strncmp(arg, "film-", 5)) {
3814 /* Calculate FR via float to avoid int overflow */
3815 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3818 } else if((fr == 29970) || (fr == 23976)) {
3821 /* Try to determine PAL/NTSC by peeking in the input files */
3822 if(nb_input_files) {
3824 for(j = 0; j < nb_input_files; j++) {
3825 for(i = 0; i < input_files[j]->nb_streams; i++) {
3826 AVCodecContext *c = input_files[j]->streams[i]->codec;
3827 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3829 fr = c->time_base.den * 1000 / c->time_base.num;
3833 } else if((fr == 29970) || (fr == 23976)) {
3843 if(verbose && norm != UNKNOWN)
3844 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3847 if(norm == UNKNOWN) {
3848 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3849 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3850 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3854 if(!strcmp(arg, "vcd")) {
3856 opt_video_codec("mpeg1video");
3857 opt_audio_codec("mp2");
3860 opt_frame_size(norm == PAL ? "352x288" : "352x240");
3861 opt_frame_rate(NULL, frame_rates[norm]);
3862 opt_default("g", norm == PAL ? "15" : "18");
3864 opt_default("b", "1150000");
3865 opt_default("maxrate", "1150000");
3866 opt_default("minrate", "1150000");
3867 opt_default("bufsize", "327680"); // 40*1024*8;
3869 opt_default("ab", "224000");
3870 audio_sample_rate = 44100;
3873 opt_default("packetsize", "2324");
3874 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3876 /* We have to offset the PTS, so that it is consistent with the SCR.
3877 SCR starts at 36000, but the first two packs contain only padding
3878 and the first pack from the other stream, respectively, may also have
3879 been written before.
3880 So the real data starts at SCR 36000+3*1200. */
3881 mux_preload= (36000+3*1200) / 90000.0; //0.44
3882 } else if(!strcmp(arg, "svcd")) {
3884 opt_video_codec("mpeg2video");
3885 opt_audio_codec("mp2");
3888 opt_frame_size(norm == PAL ? "480x576" : "480x480");
3889 opt_frame_rate(NULL, frame_rates[norm]);
3890 opt_default("g", norm == PAL ? "15" : "18");
3892 opt_default("b", "2040000");
3893 opt_default("maxrate", "2516000");
3894 opt_default("minrate", "0"); //1145000;
3895 opt_default("bufsize", "1835008"); //224*1024*8;
3896 opt_default("flags", "+scan_offset");
3899 opt_default("ab", "224000");
3900 audio_sample_rate = 44100;
3902 opt_default("packetsize", "2324");
3904 } else if(!strcmp(arg, "dvd")) {
3906 opt_video_codec("mpeg2video");
3907 opt_audio_codec("ac3");
3910 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3911 opt_frame_rate(NULL, frame_rates[norm]);
3912 opt_default("g", norm == PAL ? "15" : "18");
3914 opt_default("b", "6000000");
3915 opt_default("maxrate", "9000000");
3916 opt_default("minrate", "0"); //1500000;
3917 opt_default("bufsize", "1835008"); //224*1024*8;
3919 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3920 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3922 opt_default("ab", "448000");
3923 audio_sample_rate = 48000;
3925 } else if(!strncmp(arg, "dv", 2)) {
3929 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3930 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3931 (norm == PAL ? "yuv420p" : "yuv411p"));
3932 opt_frame_rate(NULL, frame_rates[norm]);
3934 audio_sample_rate = 48000;
3938 fprintf(stderr, "Unknown target: %s\n", arg);
3943 static void opt_vstats_file (const char *arg)
3945 av_free (vstats_filename);
3946 vstats_filename=av_strdup (arg);
3949 static void opt_vstats (void)
3952 time_t today2 = time(NULL);
3953 struct tm *today = localtime(&today2);
3955 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3957 opt_vstats_file(filename);
3960 static int opt_bsf(const char *opt, const char *arg)
3962 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3963 AVBitStreamFilterContext **bsfp;
3966 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3970 bsfp= *opt == 'v' ? &video_bitstream_filters :
3971 *opt == 'a' ? &audio_bitstream_filters :
3972 &subtitle_bitstream_filters;
3974 bsfp= &(*bsfp)->next;
3981 static int opt_preset(const char *opt, const char *arg)
3984 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3986 const char *base[3]= { getenv("FFMPEG_DATADIR"),
3992 for(i=0; i<3 && !f; i++){
3995 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
3996 f= fopen(filename, "r");
3998 char *codec_name= *opt == 'v' ? video_codec_name :
3999 *opt == 'a' ? audio_codec_name :
4000 subtitle_codec_name;
4001 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec_name, arg);
4002 f= fopen(filename, "r");
4006 av_strlcpy(filename, arg, sizeof(filename));
4007 f= fopen(filename, "r");
4011 fprintf(stderr, "File for preset '%s' not found\n", arg);
4016 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4017 if(line[0] == '#' && !e)
4019 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4021 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4024 if(!strcmp(tmp, "acodec")){
4025 opt_audio_codec(tmp2);
4026 }else if(!strcmp(tmp, "vcodec")){
4027 opt_video_codec(tmp2);
4028 }else if(!strcmp(tmp, "scodec")){
4029 opt_subtitle_codec(tmp2);
4030 }else if(opt_default(tmp, tmp2) < 0){
4031 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4041 static const OptionDef options[] = {
4043 #include "cmdutils_common_opts.h"
4044 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4045 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4046 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4047 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4048 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4049 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4050 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4051 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4052 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4053 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4054 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4055 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4056 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4057 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4058 "add timings for benchmarking" },
4059 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4060 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4061 "dump each input packet" },
4062 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4063 "when dumping packets, also dump the payload" },
4064 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4065 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4066 { "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)", "" },
4067 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4068 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4069 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4070 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4071 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4072 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4073 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4074 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4075 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4076 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4077 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4078 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4079 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4082 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4083 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4084 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4085 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4086 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4087 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4088 { "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" },
4089 { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4090 { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4091 { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4092 { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4093 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4094 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4095 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4096 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4097 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4098 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4099 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4100 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4101 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4102 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4103 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4104 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4105 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4106 "use same video quality as source (implies VBR)" },
4107 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4108 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4109 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4110 "deinterlace pictures" },
4111 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4112 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4113 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4115 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4117 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4118 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4119 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4120 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4121 { "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4122 { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4123 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4124 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4125 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4126 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4127 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4130 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4131 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4132 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4133 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4134 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4135 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4136 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4137 { "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4138 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4139 { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4140 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4141 { "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" },
4143 /* subtitle options */
4144 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4145 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4146 { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4147 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4148 { "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4151 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4152 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4153 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4156 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4157 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4159 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4160 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4161 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4163 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4164 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4165 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4166 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4168 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4172 int main(int argc, char **argv)
4176 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4178 avcodec_register_all();
4180 avdevice_register_all();
4183 avfilter_register_all();
4188 if(isatty(STDIN_FILENO))
4189 url_set_interrupt_cb(decode_interrupt_cb);
4197 parse_options(argc, argv, options, opt_output_file);
4199 if(nb_output_files <= 0 && nb_input_files == 0) {
4201 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4205 /* file converter / grab */
4206 if (nb_output_files <= 0) {
4207 fprintf(stderr, "At least one output file must be specified\n");
4211 if (nb_input_files == 0) {
4212 fprintf(stderr, "At least one input file must be specified\n");
4217 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4218 stream_maps, nb_stream_maps) < 0)
4220 ti = getutime() - ti;
4222 int maxrss = getmaxrss() / 1024;
4223 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4226 return ffmpeg_exit(0);