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 "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/avstring.h"
43 #include "libavutil/libm.h"
44 #include "libavformat/os_support.h"
47 # include "libavfilter/avfilter.h"
48 # include "libavfilter/avfiltergraph.h"
49 # include "libavfilter/graphparser.h"
50 # include "libavfilter/vsrc_buffer.h"
53 #if HAVE_SYS_RESOURCE_H
54 #include <sys/types.h>
56 #include <sys/resource.h>
57 #elif HAVE_GETPROCESSTIMES
60 #if HAVE_GETPROCESSMEMORYINFO
66 #include <sys/select.h>
71 #include <sys/ioctl.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;
95 /** select an input file for an output file */
96 typedef struct AVMetaDataMap {
101 static const OptionDef options[];
103 #define MAX_FILES 100
105 static const char *last_asked_format = NULL;
106 static AVFormatContext *input_files[MAX_FILES];
107 static int64_t input_files_ts_offset[MAX_FILES];
108 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
109 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
110 static int nb_input_files = 0;
111 static int nb_icodecs;
113 static AVFormatContext *output_files[MAX_FILES];
114 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
115 static int nb_output_files = 0;
116 static int nb_ocodecs;
118 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
119 static int nb_stream_maps;
121 static AVMetaDataMap meta_data_maps[MAX_FILES];
122 static int nb_meta_data_maps;
124 static int frame_width = 0;
125 static int frame_height = 0;
126 static float frame_aspect_ratio = 0;
127 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
128 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
129 static int frame_topBand = 0;
130 static int frame_bottomBand = 0;
131 static int frame_leftBand = 0;
132 static int frame_rightBand = 0;
133 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
134 static AVRational frame_rate;
135 static float video_qscale = 0;
136 static uint16_t *intra_matrix = NULL;
137 static uint16_t *inter_matrix = NULL;
138 static const char *video_rc_override_string=NULL;
139 static int video_disable = 0;
140 static int video_discard = 0;
141 static char *video_codec_name = NULL;
142 static unsigned int video_codec_tag = 0;
143 static char *video_language = NULL;
144 static int same_quality = 0;
145 static int do_deinterlace = 0;
146 static int top_field_first = -1;
147 static int me_threshold = 0;
148 static int intra_dc_precision = 8;
149 static int loop_input = 0;
150 static int loop_output = AVFMT_NOOUTPUTLOOP;
151 static int qp_hist = 0;
153 static char *vfilters = NULL;
154 AVFilterGraph *graph = NULL;
157 static int intra_only = 0;
158 static int audio_sample_rate = 44100;
159 static int64_t channel_layout = 0;
160 #define QSCALE_NONE -99999
161 static float audio_qscale = QSCALE_NONE;
162 static int audio_disable = 0;
163 static int audio_channels = 1;
164 static char *audio_codec_name = NULL;
165 static unsigned int audio_codec_tag = 0;
166 static char *audio_language = NULL;
168 static int subtitle_disable = 0;
169 static char *subtitle_codec_name = NULL;
170 static char *subtitle_language = NULL;
171 static unsigned int subtitle_codec_tag = 0;
173 static float mux_preload= 0.5;
174 static float mux_max_delay= 0.7;
176 static int64_t recording_time = INT64_MAX;
177 static int64_t start_time = 0;
178 static int64_t recording_timestamp = 0;
179 static int64_t input_ts_offset = 0;
180 static int file_overwrite = 0;
181 static int metadata_count;
182 static AVMetadataTag *metadata;
183 static int do_benchmark = 0;
184 static int do_hex_dump = 0;
185 static int do_pkt_dump = 0;
186 static int do_psnr = 0;
187 static int do_pass = 0;
188 static char *pass_logfilename_prefix = NULL;
189 static int audio_stream_copy = 0;
190 static int video_stream_copy = 0;
191 static int subtitle_stream_copy = 0;
192 static int video_sync_method= -1;
193 static int audio_sync_method= 0;
194 static float audio_drift_threshold= 0.1;
195 static int copy_ts= 0;
196 static int opt_shortest = 0;
197 static int video_global_header = 0;
198 static char *vstats_filename;
199 static FILE *vstats_file;
200 static int opt_programid = 0;
201 static int copy_initial_nonkeyframes = 0;
203 static int rate_emu = 0;
205 static int video_channel = 0;
206 static char *video_standard;
208 static int audio_volume = 256;
210 static int exit_on_error = 0;
211 static int using_stdin = 0;
212 static int verbose = 1;
213 static int thread_count= 1;
214 static int q_pressed = 0;
215 static int64_t video_size = 0;
216 static int64_t audio_size = 0;
217 static int64_t extra_size = 0;
218 static int nb_frames_dup = 0;
219 static int nb_frames_drop = 0;
220 static int input_sync;
221 static uint64_t limit_filesize = 0;
222 static int force_fps = 0;
224 static int pgmyuv_compatibility_hack=0;
225 static float dts_delta_threshold = 10;
227 static unsigned int sws_flags = SWS_BICUBIC;
229 static int64_t timer_start;
231 static uint8_t *audio_buf;
232 static uint8_t *audio_out;
233 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
235 static short *samples;
237 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
238 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
239 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
240 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
242 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
244 struct AVInputStream;
246 typedef struct AVOutputStream {
247 int file_index; /* file index */
248 int index; /* stream index in the output file */
249 int source_index; /* AVInputStream index */
250 AVStream *st; /* stream in the output file */
251 int encoding_needed; /* true if encoding needed for this stream */
253 /* input pts and corresponding output pts
255 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
256 struct AVInputStream *sync_ist; /* input stream to sync against */
257 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
260 AVFrame pict_tmp; /* temporary image for resampling */
261 struct SwsContext *img_resample_ctx; /* for image resampling */
264 int resample_pix_fmt;
266 /* full frame size of first frame */
270 /* cropping area sizes */
277 /* cropping area of first frame */
278 int original_topBand;
279 int original_bottomBand;
280 int original_leftBand;
281 int original_rightBand;
285 ReSampleContext *resample; /* for audio resampling */
287 AVAudioConvert *reformat_ctx;
288 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
292 typedef struct AVInputStream {
296 int discard; /* true if stream data should be discarded */
297 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
298 int64_t sample_index; /* current sample */
300 int64_t start; /* time when read started */
301 int64_t next_pts; /* synthetic pts for cases where pkt.pts
303 int64_t pts; /* current pts */
304 int is_start; /* is 1 at the start and after a discontinuity */
305 int showed_multi_packet_warning;
306 int is_past_recording_time;
308 AVFilterContext *out_video_filter;
309 AVFilterContext *input_video_filter;
310 AVFrame *filter_frame;
311 int has_filter_frame;
312 AVFilterPicRef *picref;
316 typedef struct AVInputFile {
317 int eof_reached; /* true if eof reached */
318 int ist_index; /* index of first stream in ist_table */
319 int buffer_size; /* current total buffer size */
320 int nb_streams; /* nb streams we are aware of */
325 /* init terminal so that we can grab keys */
326 static struct termios oldtty;
335 static int output_init(AVFilterContext *ctx, const char *args, void *opaque)
337 FilterOutPriv *priv = ctx->priv;
339 if(!opaque) return -1;
341 priv->pix_fmt = *((int *)opaque);
346 static void output_end_frame(AVFilterLink *link)
350 static int output_query_formats(AVFilterContext *ctx)
352 FilterOutPriv *priv = ctx->priv;
353 enum PixelFormat pix_fmts[] = { priv->pix_fmt, PIX_FMT_NONE };
355 avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
359 static int get_filtered_video_pic(AVFilterContext *ctx,
360 AVFilterPicRef **picref, AVFrame *pic2,
365 if(avfilter_request_frame(ctx->inputs[0]))
367 if(!(pic = ctx->inputs[0]->cur_pic))
370 ctx->inputs[0]->cur_pic = NULL;
374 memcpy(pic2->data, pic->data, sizeof(pic->data));
375 memcpy(pic2->linesize, pic->linesize, sizeof(pic->linesize));
376 pic2->interlaced_frame = pic->interlaced;
377 pic2->top_field_first = pic->top_field_first;
382 static AVFilter output_filter =
384 .name = "ffmpeg_output",
386 .priv_size = sizeof(FilterOutPriv),
389 .query_formats = output_query_formats,
391 .inputs = (AVFilterPad[]) {{ .name = "default",
392 .type = AVMEDIA_TYPE_VIDEO,
393 .end_frame = output_end_frame,
394 .min_perms = AV_PERM_READ, },
396 .outputs = (AVFilterPad[]) {{ .name = NULL }},
399 static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
401 AVFilterContext *last_filter, *filter;
402 /** filter graph containing all filters including input & output */
403 AVCodecContext *codec = ost->st->codec;
404 AVCodecContext *icodec = ist->st->codec;
407 graph = av_mallocz(sizeof(AVFilterGraph));
409 if (!(ist->input_video_filter = avfilter_open(avfilter_get_by_name("buffer"), "src")))
411 if (!(ist->out_video_filter = avfilter_open(&output_filter, "out")))
414 snprintf(args, 255, "%d:%d:%d", ist->st->codec->width,
415 ist->st->codec->height, ist->st->codec->pix_fmt);
416 if (avfilter_init_filter(ist->input_video_filter, args, NULL))
418 if (avfilter_init_filter(ist->out_video_filter, NULL, &codec->pix_fmt))
421 /* add input and output filters to the overall graph */
422 avfilter_graph_add_filter(graph, ist->input_video_filter);
423 avfilter_graph_add_filter(graph, ist->out_video_filter);
425 last_filter = ist->input_video_filter;
427 if (ost->video_crop) {
428 snprintf(args, 255, "%d:%d:%d:%d", ost->leftBand, ost->topBand,
431 filter = avfilter_open(avfilter_get_by_name("crop"), NULL);
434 if (avfilter_init_filter(filter, args, NULL))
436 if (avfilter_link(last_filter, 0, filter, 0))
438 last_filter = filter;
439 avfilter_graph_add_filter(graph, last_filter);
443 icodec->width - (frame_leftBand + frame_rightBand)) ||
444 (codec->height != icodec->height - (frame_topBand + frame_bottomBand))) {
445 snprintf(args, 255, "%d:%d:flags=0x%X",
448 (int)av_get_int(sws_opts, "sws_flags", NULL));
449 filter = avfilter_open(avfilter_get_by_name("scale"), NULL);
452 if (avfilter_init_filter(filter, args, NULL))
454 if (avfilter_link(last_filter, 0, filter, 0))
456 last_filter = filter;
457 avfilter_graph_add_filter(graph, last_filter);
461 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
462 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
464 outputs->name = av_strdup("in");
465 outputs->filter = last_filter;
466 outputs->pad_idx = 0;
467 outputs->next = NULL;
469 inputs->name = av_strdup("out");
470 inputs->filter = ist->out_video_filter;
474 if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
478 if (avfilter_link(last_filter, 0, ist->out_video_filter, 0) < 0)
482 snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
483 graph->scale_sws_opts = av_strdup(args);
485 /* configure all the filter links */
486 if (avfilter_graph_check_validity(graph, NULL))
488 if (avfilter_graph_config_formats(graph, NULL))
490 if (avfilter_graph_config_links(graph, NULL))
493 codec->width = ist->out_video_filter->inputs[0]->w;
494 codec->height = ist->out_video_filter->inputs[0]->h;
498 #endif /* CONFIG_AVFILTER */
500 static void term_exit(void)
503 tcsetattr (0, TCSANOW, &oldtty);
507 static volatile int received_sigterm = 0;
510 sigterm_handler(int sig)
512 received_sigterm = sig;
516 static void term_init(void)
525 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
526 |INLCR|IGNCR|ICRNL|IXON);
527 tty.c_oflag |= OPOST;
528 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
529 tty.c_cflag &= ~(CSIZE|PARENB);
534 tcsetattr (0, TCSANOW, &tty);
535 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
538 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
539 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
541 signal(SIGXCPU, sigterm_handler);
545 /* read a key without blocking */
546 static int read_key(void)
558 n = select(1, &rfds, NULL, NULL, &tv);
573 static int decode_interrupt_cb(void)
575 return q_pressed || (q_pressed = read_key() == 'q');
578 static int av_exit(int ret)
583 for(i=0;i<nb_output_files;i++) {
584 /* maybe av_close_output_file ??? */
585 AVFormatContext *s = output_files[i];
587 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
589 for(j=0;j<s->nb_streams;j++) {
590 av_metadata_free(&s->streams[j]->metadata);
591 av_free(s->streams[j]->codec);
592 av_free(s->streams[j]);
594 for(j=0;j<s->nb_programs;j++) {
595 av_metadata_free(&s->programs[j]->metadata);
597 for(j=0;j<s->nb_chapters;j++) {
598 av_metadata_free(&s->chapters[j]->metadata);
600 av_metadata_free(&s->metadata);
603 for(i=0;i<nb_input_files;i++)
604 av_close_input_file(input_files[i]);
606 av_free(intra_matrix);
607 av_free(inter_matrix);
611 av_free(vstats_filename);
615 av_free(video_codec_name);
616 av_free(audio_codec_name);
617 av_free(subtitle_codec_name);
619 av_free(video_standard);
621 for (i=0;i<AVMEDIA_TYPE_NB;i++)
622 av_free(avcodec_opts[i]);
623 av_free(avformat_opts);
627 allocated_audio_buf_size= allocated_audio_out_size= 0;
634 if (received_sigterm) {
636 "Received signal %d: terminating.\n",
637 (int) received_sigterm);
641 exit(ret); /* not all OS-es handle main() return value */
645 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
647 if(codec && codec->sample_fmts){
648 const enum SampleFormat *p= codec->sample_fmts;
650 if(*p == st->codec->sample_fmt)
654 st->codec->sample_fmt = codec->sample_fmts[0];
658 static void choose_sample_rate(AVStream *st, AVCodec *codec)
660 if(codec && codec->supported_samplerates){
661 const int *p= codec->supported_samplerates;
663 int best_dist=INT_MAX;
665 int dist= abs(st->codec->sample_rate - *p);
666 if(dist < best_dist){
672 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
674 st->codec->sample_rate= best;
678 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
680 if(codec && codec->pix_fmts){
681 const enum PixelFormat *p= codec->pix_fmts;
683 if(*p == st->codec->pix_fmt)
687 && !( st->codec->codec_id==CODEC_ID_MJPEG
688 && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
689 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
690 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
691 st->codec->pix_fmt = codec->pix_fmts[0];
695 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
701 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
704 /* copy stream format */
705 s->nb_streams = ic->nb_streams;
706 for(i=0;i<ic->nb_streams;i++) {
710 // FIXME: a more elegant solution is needed
711 st = av_mallocz(sizeof(AVStream));
712 memcpy(st, ic->streams[i], sizeof(AVStream));
713 st->codec = avcodec_alloc_context();
715 print_error(filename, AVERROR(ENOMEM));
718 avcodec_copy_context(st->codec, ic->streams[i]->codec);
721 codec = avcodec_find_encoder(st->codec->codec_id);
722 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
723 if (audio_stream_copy) {
726 choose_sample_fmt(st, codec);
727 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
728 if (video_stream_copy) {
731 choose_pixel_fmt(st, codec);
734 if(!st->codec->thread_count)
735 st->codec->thread_count = 1;
736 if(st->codec->thread_count>1)
737 avcodec_thread_init(st->codec, st->codec->thread_count);
739 if(st->codec->flags & CODEC_FLAG_BITEXACT)
744 s->timestamp = av_gettime();
746 av_close_input_file(ic);
751 get_sync_ipts(const AVOutputStream *ost)
753 const AVInputStream *ist = ost->sync_ist;
754 return (double)(ist->pts - start_time)/AV_TIME_BASE;
757 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
761 AVPacket new_pkt= *pkt;
762 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
763 &new_pkt.data, &new_pkt.size,
764 pkt->data, pkt->size,
765 pkt->flags & AV_PKT_FLAG_KEY);
768 new_pkt.destruct= av_destruct_packet;
770 fprintf(stderr, "%s failed for stream %d, codec %s",
771 bsfc->filter->name, pkt->stream_index,
772 avctx->codec ? avctx->codec->name : "copy");
782 ret= av_interleaved_write_frame(s, pkt);
784 print_error("av_interleaved_write_frame()", ret);
789 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
791 static void do_audio_out(AVFormatContext *s,
794 unsigned char *buf, int size)
797 int64_t audio_out_size, audio_buf_size;
798 int64_t allocated_for_size= size;
800 int size_out, frame_bytes, ret;
801 AVCodecContext *enc= ost->st->codec;
802 AVCodecContext *dec= ist->st->codec;
803 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
804 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
805 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
808 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
809 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
810 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
811 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
812 audio_buf_size*= osize*enc->channels;
814 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
815 if(coded_bps > 8*osize)
816 audio_out_size= audio_out_size * coded_bps / (8*osize);
817 audio_out_size += FF_MIN_BUFFER_SIZE;
819 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
820 fprintf(stderr, "Buffer sizes too large\n");
824 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
825 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
826 if (!audio_buf || !audio_out){
827 fprintf(stderr, "Out of memory in do_audio_out\n");
831 if (enc->channels != dec->channels)
832 ost->audio_resample = 1;
834 if (ost->audio_resample && !ost->resample) {
835 if (dec->sample_fmt != SAMPLE_FMT_S16)
836 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
837 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
838 enc->sample_rate, dec->sample_rate,
839 enc->sample_fmt, dec->sample_fmt,
841 if (!ost->resample) {
842 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
843 dec->channels, dec->sample_rate,
844 enc->channels, enc->sample_rate);
849 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
850 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
851 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
852 if (ost->reformat_ctx)
853 av_audio_convert_free(ost->reformat_ctx);
854 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
855 dec->sample_fmt, 1, NULL, 0);
856 if (!ost->reformat_ctx) {
857 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
858 avcodec_get_sample_fmt_name(dec->sample_fmt),
859 avcodec_get_sample_fmt_name(enc->sample_fmt));
862 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
865 if(audio_sync_method){
866 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
867 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
868 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
869 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
871 //FIXME resample delay
872 if(fabs(delta) > 50){
873 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
875 byte_delta= FFMAX(byte_delta, -size);
879 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
884 static uint8_t *input_tmp= NULL;
885 input_tmp= av_realloc(input_tmp, byte_delta + size);
887 if(byte_delta > allocated_for_size - size){
888 allocated_for_size= byte_delta + (int64_t)size;
893 memset(input_tmp, 0, byte_delta);
894 memcpy(input_tmp + byte_delta, buf, size);
898 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
900 }else if(audio_sync_method>1){
901 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
902 assert(ost->audio_resample);
904 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
905 // 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));
906 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
910 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
911 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
913 if (ost->audio_resample) {
915 size_out = audio_resample(ost->resample,
916 (short *)buftmp, (short *)buf,
917 size / (ist->st->codec->channels * isize));
918 size_out = size_out * enc->channels * osize;
924 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
925 const void *ibuf[6]= {buftmp};
926 void *obuf[6]= {audio_buf};
927 int istride[6]= {isize};
928 int ostride[6]= {osize};
929 int len= size_out/istride[0];
930 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
931 printf("av_audio_convert() failed\n");
937 size_out = len*osize;
940 /* now encode as many frames as possible */
941 if (enc->frame_size > 1) {
942 /* output resampled raw samples */
943 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
944 fprintf(stderr, "av_fifo_realloc2() failed\n");
947 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
949 frame_bytes = enc->frame_size * osize * enc->channels;
951 while (av_fifo_size(ost->fifo) >= frame_bytes) {
953 av_init_packet(&pkt);
955 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
957 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
959 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
962 fprintf(stderr, "Audio encoding failed\n");
966 pkt.stream_index= ost->index;
969 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
970 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
971 pkt.flags |= AV_PKT_FLAG_KEY;
972 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
974 ost->sync_opts += enc->frame_size;
978 av_init_packet(&pkt);
980 ost->sync_opts += size_out / (osize * enc->channels);
982 /* output a pcm frame */
983 /* determine the size of the coded buffer */
986 size_out = size_out*coded_bps/8;
988 if(size_out > audio_out_size){
989 fprintf(stderr, "Internal error, buffer size too small\n");
993 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
994 ret = avcodec_encode_audio(enc, audio_out, size_out,
997 fprintf(stderr, "Audio encoding failed\n");
1001 pkt.stream_index= ost->index;
1002 pkt.data= audio_out;
1004 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1005 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1006 pkt.flags |= AV_PKT_FLAG_KEY;
1007 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1011 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1013 AVCodecContext *dec;
1014 AVPicture *picture2;
1015 AVPicture picture_tmp;
1018 dec = ist->st->codec;
1020 /* deinterlace : must be done before any resize */
1021 if (do_deinterlace) {
1024 /* create temporary picture */
1025 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1026 buf = av_malloc(size);
1030 picture2 = &picture_tmp;
1031 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1033 if(avpicture_deinterlace(picture2, picture,
1034 dec->pix_fmt, dec->width, dec->height) < 0) {
1035 /* if error, do not deinterlace */
1036 fprintf(stderr, "Deinterlacing failed\n");
1045 if (picture != picture2)
1046 *picture = *picture2;
1050 /* we begin to correct av delay at this threshold */
1051 #define AV_DELAY_MAX 0.100
1053 static void do_subtitle_out(AVFormatContext *s,
1054 AVOutputStream *ost,
1059 static uint8_t *subtitle_out = NULL;
1060 int subtitle_out_max_size = 1024 * 1024;
1061 int subtitle_out_size, nb, i;
1062 AVCodecContext *enc;
1065 if (pts == AV_NOPTS_VALUE) {
1066 fprintf(stderr, "Subtitle packets must have a pts\n");
1072 enc = ost->st->codec;
1074 if (!subtitle_out) {
1075 subtitle_out = av_malloc(subtitle_out_max_size);
1078 /* Note: DVB subtitle need one packet to draw them and one other
1079 packet to clear them */
1080 /* XXX: signal it in the codec context ? */
1081 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1086 for(i = 0; i < nb; i++) {
1087 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1088 // start_display_time is required to be 0
1089 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1090 sub->end_display_time -= sub->start_display_time;
1091 sub->start_display_time = 0;
1092 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1093 subtitle_out_max_size, sub);
1094 if (subtitle_out_size < 0) {
1095 fprintf(stderr, "Subtitle encoding failed\n");
1099 av_init_packet(&pkt);
1100 pkt.stream_index = ost->index;
1101 pkt.data = subtitle_out;
1102 pkt.size = subtitle_out_size;
1103 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1104 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1105 /* XXX: the pts correction is handled here. Maybe handling
1106 it in the codec would be better */
1108 pkt.pts += 90 * sub->start_display_time;
1110 pkt.pts += 90 * sub->end_display_time;
1112 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1116 static int bit_buffer_size= 1024*256;
1117 static uint8_t *bit_buffer= NULL;
1119 static void do_video_out(AVFormatContext *s,
1120 AVOutputStream *ost,
1122 AVFrame *in_picture,
1125 int nb_frames, i, ret;
1126 #if !CONFIG_AVFILTER
1127 int64_t topBand, bottomBand, leftBand, rightBand;
1129 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1130 AVFrame picture_crop_temp, picture_pad_temp;
1131 AVCodecContext *enc, *dec;
1134 avcodec_get_frame_defaults(&picture_crop_temp);
1135 avcodec_get_frame_defaults(&picture_pad_temp);
1137 enc = ost->st->codec;
1138 dec = ist->st->codec;
1140 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1142 /* by default, we output a single frame */
1147 if(video_sync_method){
1148 double vdelta = sync_ipts - ost->sync_opts;
1149 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1152 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1155 }else if(vdelta>0.6)
1156 ost->sync_opts= lrintf(sync_ipts);
1157 }else if (vdelta > 1.1)
1158 nb_frames = lrintf(vdelta);
1159 //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);
1160 if (nb_frames == 0){
1163 fprintf(stderr, "*** drop!\n");
1164 }else if (nb_frames > 1) {
1165 nb_frames_dup += nb_frames - 1;
1167 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1170 ost->sync_opts= lrintf(sync_ipts);
1172 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1177 formatted_picture = in_picture;
1179 if (ost->video_crop) {
1180 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1181 fprintf(stderr, "error cropping picture\n");
1186 formatted_picture = &picture_crop_temp;
1188 formatted_picture = in_picture;
1192 final_picture = formatted_picture;
1193 padding_src = formatted_picture;
1194 resampling_dst = &ost->pict_tmp;
1196 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1197 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1198 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1200 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));
1201 if(!ost->video_resample)
1205 #if !CONFIG_AVFILTER
1206 if (ost->video_resample) {
1208 final_picture = &ost->pict_tmp;
1209 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1210 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1211 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1213 /* keep bands proportional to the frame size */
1214 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1215 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1216 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1217 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1219 /* sanity check to ensure no bad band sizes sneak in */
1220 assert(topBand <= INT_MAX && topBand >= 0);
1221 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1222 assert(leftBand <= INT_MAX && leftBand >= 0);
1223 assert(rightBand <= INT_MAX && rightBand >= 0);
1225 ost->topBand = topBand;
1226 ost->bottomBand = bottomBand;
1227 ost->leftBand = leftBand;
1228 ost->rightBand = rightBand;
1230 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1231 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1232 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1234 /* initialize a new scaler context */
1235 sws_freeContext(ost->img_resample_ctx);
1236 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1237 ost->img_resample_ctx = sws_getContext(
1238 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1239 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1240 ist->st->codec->pix_fmt,
1241 ost->st->codec->width,
1242 ost->st->codec->height,
1243 ost->st->codec->pix_fmt,
1244 sws_flags, NULL, NULL, NULL);
1245 if (ost->img_resample_ctx == NULL) {
1246 fprintf(stderr, "Cannot get resampling context\n");
1250 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1251 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1255 /* duplicates frame if needed */
1256 for(i=0;i<nb_frames;i++) {
1258 av_init_packet(&pkt);
1259 pkt.stream_index= ost->index;
1261 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1262 /* raw pictures are written as AVPicture structure to
1263 avoid any copies. We support temorarily the older
1265 AVFrame* old_frame = enc->coded_frame;
1266 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1267 pkt.data= (uint8_t *)final_picture;
1268 pkt.size= sizeof(AVPicture);
1269 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1270 pkt.flags |= AV_PKT_FLAG_KEY;
1272 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1273 enc->coded_frame = old_frame;
1275 AVFrame big_picture;
1277 big_picture= *final_picture;
1278 /* better than nothing: use input picture interlaced
1280 big_picture.interlaced_frame = in_picture->interlaced_frame;
1281 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1282 if(top_field_first == -1)
1283 big_picture.top_field_first = in_picture->top_field_first;
1285 big_picture.top_field_first = top_field_first;
1288 /* handles sameq here. This is not correct because it may
1289 not be a global option */
1291 big_picture.quality = ist->st->quality;
1293 big_picture.quality = ost->st->quality;
1295 big_picture.pict_type = 0;
1296 // big_picture.pts = AV_NOPTS_VALUE;
1297 big_picture.pts= ost->sync_opts;
1298 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1299 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1300 ret = avcodec_encode_video(enc,
1301 bit_buffer, bit_buffer_size,
1304 fprintf(stderr, "Video encoding failed\n");
1309 pkt.data= bit_buffer;
1311 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1312 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1313 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1314 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1315 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1317 if(enc->coded_frame->key_frame)
1318 pkt.flags |= AV_PKT_FLAG_KEY;
1319 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1322 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1323 // enc->frame_number-1, ret, enc->pict_type);
1324 /* if two pass, output log */
1325 if (ost->logfile && enc->stats_out) {
1326 fprintf(ost->logfile, "%s", enc->stats_out);
1331 ost->frame_number++;
1335 static double psnr(double d){
1336 return -10.0*log(d)/log(10.0);
1339 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1342 AVCodecContext *enc;
1344 double ti1, bitrate, avg_bitrate;
1346 /* this is executed just the first time do_video_stats is called */
1348 vstats_file = fopen(vstats_filename, "w");
1355 enc = ost->st->codec;
1356 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1357 frame_number = ost->frame_number;
1358 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1359 if (enc->flags&CODEC_FLAG_PSNR)
1360 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1362 fprintf(vstats_file,"f_size= %6d ", frame_size);
1363 /* compute pts value */
1364 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1368 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1369 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1370 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1371 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1372 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1376 static void print_report(AVFormatContext **output_files,
1377 AVOutputStream **ost_table, int nb_ostreams,
1381 AVOutputStream *ost;
1382 AVFormatContext *oc;
1384 AVCodecContext *enc;
1385 int frame_number, vid, i;
1386 double bitrate, ti1, pts;
1387 static int64_t last_time = -1;
1388 static int qp_histogram[52];
1390 if (!is_last_report) {
1392 /* display the report every 0.5 seconds */
1393 cur_time = av_gettime();
1394 if (last_time == -1) {
1395 last_time = cur_time;
1398 if ((cur_time - last_time) < 500000)
1400 last_time = cur_time;
1404 oc = output_files[0];
1406 total_size = url_fsize(oc->pb);
1407 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1408 total_size= url_ftell(oc->pb);
1413 for(i=0;i<nb_ostreams;i++) {
1415 enc = ost->st->codec;
1416 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1418 !ost->st->stream_copy ?
1419 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1421 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1422 float t = (av_gettime()-timer_start) / 1000000.0;
1424 frame_number = ost->frame_number;
1425 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1426 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1427 !ost->st->stream_copy ?
1428 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1430 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1433 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1434 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1437 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1439 if (enc->flags&CODEC_FLAG_PSNR){
1441 double error, error_sum=0;
1442 double scale, scale_sum=0;
1443 char type[3]= {'Y','U','V'};
1444 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1447 error= enc->error[j];
1448 scale= enc->width*enc->height*255.0*255.0*frame_number;
1450 error= enc->coded_frame->error[j];
1451 scale= enc->width*enc->height*255.0*255.0;
1456 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1458 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1462 /* compute min output value */
1463 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1464 if ((pts < ti1) && (pts > 0))
1470 if (verbose || is_last_report) {
1471 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1473 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1474 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1475 (double)total_size / 1024, ti1, bitrate);
1477 if (nb_frames_dup || nb_frames_drop)
1478 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1479 nb_frames_dup, nb_frames_drop);
1482 fprintf(stderr, "%s \r", buf);
1487 if (is_last_report && verbose >= 0){
1488 int64_t raw= audio_size + video_size + extra_size;
1489 fprintf(stderr, "\n");
1490 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1494 100.0*(total_size - raw)/raw
1499 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1500 static int output_packet(AVInputStream *ist, int ist_index,
1501 AVOutputStream **ost_table, int nb_ostreams,
1502 const AVPacket *pkt)
1504 AVFormatContext *os;
1505 AVOutputStream *ost;
1509 void *buffer_to_free;
1510 static unsigned int samples_size= 0;
1511 AVSubtitle subtitle, *subtitle_to_free;
1513 int frame_available;
1517 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1519 if(ist->next_pts == AV_NOPTS_VALUE)
1520 ist->next_pts= ist->pts;
1524 av_init_packet(&avpkt);
1532 if(pkt->dts != AV_NOPTS_VALUE)
1533 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1535 //while we have more to decode or while the decoder did output something on EOF
1536 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1537 uint8_t *data_buf, *decoded_data_buf;
1538 int data_size, decoded_data_size;
1540 ist->pts= ist->next_pts;
1542 if(avpkt.size && avpkt.size != pkt->size &&
1543 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1544 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1545 ist->showed_multi_packet_warning=1;
1548 /* decode the packet if needed */
1549 decoded_data_buf = NULL; /* fail safe */
1550 decoded_data_size= 0;
1551 data_buf = avpkt.data;
1552 data_size = avpkt.size;
1553 subtitle_to_free = NULL;
1554 if (ist->decoding_needed) {
1555 switch(ist->st->codec->codec_type) {
1556 case AVMEDIA_TYPE_AUDIO:{
1557 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1558 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1560 samples= av_malloc(samples_size);
1562 decoded_data_size= samples_size;
1563 /* XXX: could avoid copy if PCM 16 bits with same
1564 endianness as CPU */
1565 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1572 /* Some bug in mpeg audio decoder gives */
1573 /* decoded_data_size < 0, it seems they are overflows */
1574 if (decoded_data_size <= 0) {
1575 /* no audio frame */
1578 decoded_data_buf = (uint8_t *)samples;
1579 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1580 (ist->st->codec->sample_rate * ist->st->codec->channels);
1582 case AVMEDIA_TYPE_VIDEO:
1583 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1584 /* XXX: allocate picture correctly */
1585 avcodec_get_frame_defaults(&picture);
1587 ret = avcodec_decode_video2(ist->st->codec,
1588 &picture, &got_picture, &avpkt);
1589 ist->st->quality= picture.quality;
1593 /* no picture yet */
1594 goto discard_packet;
1596 if (ist->st->codec->time_base.num != 0) {
1597 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1598 ist->next_pts += ((int64_t)AV_TIME_BASE *
1599 ist->st->codec->time_base.num * ticks) /
1600 ist->st->codec->time_base.den;
1604 case AVMEDIA_TYPE_SUBTITLE:
1605 ret = avcodec_decode_subtitle2(ist->st->codec,
1606 &subtitle, &got_picture, &avpkt);
1610 goto discard_packet;
1612 subtitle_to_free = &subtitle;
1619 switch(ist->st->codec->codec_type) {
1620 case AVMEDIA_TYPE_AUDIO:
1621 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1622 ist->st->codec->sample_rate;
1624 case AVMEDIA_TYPE_VIDEO:
1625 if (ist->st->codec->time_base.num != 0) {
1626 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1627 ist->next_pts += ((int64_t)AV_TIME_BASE *
1628 ist->st->codec->time_base.num * ticks) /
1629 ist->st->codec->time_base.den;
1637 buffer_to_free = NULL;
1638 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1639 pre_process_video_frame(ist, (AVPicture *)&picture,
1644 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1645 // add it to be filtered
1646 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1648 ist->st->codec->sample_aspect_ratio);
1652 // preprocess audio (volume)
1653 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1654 if (audio_volume != 256) {
1657 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1658 int v = ((*volp) * audio_volume + 128) >> 8;
1659 if (v < -32768) v = -32768;
1660 if (v > 32767) v = 32767;
1666 /* frame rate emulation */
1668 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1669 int64_t now = av_gettime() - ist->start;
1674 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1675 !ist->out_video_filter || avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1677 /* if output time reached then transcode raw format,
1678 encode packets and output them */
1679 if (start_time == 0 || ist->pts >= start_time)
1681 while (frame_available) {
1682 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->out_video_filter)
1683 get_filtered_video_pic(ist->out_video_filter, &ist->picref, &picture, &ist->pts);
1685 for(i=0;i<nb_ostreams;i++) {
1689 if (ost->source_index == ist_index) {
1690 os = output_files[ost->file_index];
1692 /* set the input output pts pairs */
1693 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1695 if (ost->encoding_needed) {
1696 assert(ist->decoding_needed);
1697 switch(ost->st->codec->codec_type) {
1698 case AVMEDIA_TYPE_AUDIO:
1699 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1701 case AVMEDIA_TYPE_VIDEO:
1703 ost->st->codec->sample_aspect_ratio = ist->picref->pixel_aspect;
1705 do_video_out(os, ost, ist, &picture, &frame_size);
1706 if (vstats_filename && frame_size)
1707 do_video_stats(os, ost, frame_size);
1709 case AVMEDIA_TYPE_SUBTITLE:
1710 do_subtitle_out(os, ost, ist, &subtitle,
1717 AVFrame avframe; //FIXME/XXX remove this
1719 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1721 av_init_packet(&opkt);
1723 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1726 /* no reencoding needed : output the packet directly */
1727 /* force the input stream PTS */
1729 avcodec_get_frame_defaults(&avframe);
1730 ost->st->codec->coded_frame= &avframe;
1731 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1733 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1734 audio_size += data_size;
1735 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1736 video_size += data_size;
1740 opkt.stream_index= ost->index;
1741 if(pkt->pts != AV_NOPTS_VALUE)
1742 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1744 opkt.pts= AV_NOPTS_VALUE;
1746 if (pkt->dts == AV_NOPTS_VALUE)
1747 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1749 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1750 opkt.dts -= ost_tb_start_time;
1752 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1753 opkt.flags= pkt->flags;
1755 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1756 if( ost->st->codec->codec_id != CODEC_ID_H264
1757 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1758 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1760 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1761 opkt.destruct= av_destruct_packet;
1763 opkt.data = data_buf;
1764 opkt.size = data_size;
1767 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1768 ost->st->codec->frame_number++;
1769 ost->frame_number++;
1770 av_free_packet(&opkt);
1774 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1775 ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1781 avfilter_unref_pic(ist->picref);
1784 av_free(buffer_to_free);
1785 /* XXX: allocate the subtitles in the codec ? */
1786 if (subtitle_to_free) {
1787 if (subtitle_to_free->rects != NULL) {
1788 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1789 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1790 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1791 av_freep(&subtitle_to_free->rects[i]);
1793 av_freep(&subtitle_to_free->rects);
1795 subtitle_to_free->num_rects = 0;
1796 subtitle_to_free = NULL;
1803 for(i=0;i<nb_ostreams;i++) {
1805 if (ost->source_index == ist_index) {
1806 AVCodecContext *enc= ost->st->codec;
1807 os = output_files[ost->file_index];
1809 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1811 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1814 if (ost->encoding_needed) {
1818 av_init_packet(&pkt);
1819 pkt.stream_index= ost->index;
1821 switch(ost->st->codec->codec_type) {
1822 case AVMEDIA_TYPE_AUDIO:
1823 fifo_bytes = av_fifo_size(ost->fifo);
1825 /* encode any samples remaining in fifo */
1826 if (fifo_bytes > 0) {
1827 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1828 int fs_tmp = enc->frame_size;
1830 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1831 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1832 enc->frame_size = fifo_bytes / (osize * enc->channels);
1834 int frame_bytes = enc->frame_size*osize*enc->channels;
1835 if (allocated_audio_buf_size < frame_bytes)
1837 memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1840 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1841 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1842 ost->st->time_base.num, enc->sample_rate);
1843 enc->frame_size = fs_tmp;
1846 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1849 fprintf(stderr, "Audio encoding failed\n");
1853 pkt.flags |= AV_PKT_FLAG_KEY;
1855 case AVMEDIA_TYPE_VIDEO:
1856 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1858 fprintf(stderr, "Video encoding failed\n");
1862 if(enc->coded_frame && enc->coded_frame->key_frame)
1863 pkt.flags |= AV_PKT_FLAG_KEY;
1864 if (ost->logfile && enc->stats_out) {
1865 fprintf(ost->logfile, "%s", enc->stats_out);
1874 pkt.data= bit_buffer;
1876 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1877 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1878 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1890 static void print_sdp(AVFormatContext **avc, int n)
1894 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1895 printf("SDP:\n%s\n", sdp);
1899 static int copy_chapters(int infile, int outfile)
1901 AVFormatContext *is = input_files[infile];
1902 AVFormatContext *os = output_files[outfile];
1905 for (i = 0; i < is->nb_chapters; i++) {
1906 AVChapter *in_ch = is->chapters[i], *out_ch;
1907 AVMetadataTag *t = NULL;
1908 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1909 AV_TIME_BASE_Q, in_ch->time_base);
1910 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1911 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1914 if (in_ch->end < ts_off)
1916 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1919 out_ch = av_mallocz(sizeof(AVChapter));
1921 return AVERROR(ENOMEM);
1923 out_ch->id = in_ch->id;
1924 out_ch->time_base = in_ch->time_base;
1925 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1926 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1928 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1929 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1932 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1934 return AVERROR(ENOMEM);
1935 os->chapters[os->nb_chapters - 1] = out_ch;
1941 * The following code is the main loop of the file converter
1943 static int av_transcode(AVFormatContext **output_files,
1944 int nb_output_files,
1945 AVFormatContext **input_files,
1947 AVStreamMap *stream_maps, int nb_stream_maps)
1949 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1950 AVFormatContext *is, *os;
1951 AVCodecContext *codec, *icodec;
1952 AVOutputStream *ost, **ost_table = NULL;
1953 AVInputStream *ist, **ist_table = NULL;
1954 AVInputFile *file_table;
1958 uint8_t no_packet[MAX_FILES]={0};
1959 int no_packet_count=0;
1961 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1965 /* input stream init */
1967 for(i=0;i<nb_input_files;i++) {
1968 is = input_files[i];
1969 file_table[i].ist_index = j;
1970 file_table[i].nb_streams = is->nb_streams;
1971 j += is->nb_streams;
1975 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1979 for(i=0;i<nb_istreams;i++) {
1980 ist = av_mallocz(sizeof(AVInputStream));
1986 for(i=0;i<nb_input_files;i++) {
1987 is = input_files[i];
1988 for(k=0;k<is->nb_streams;k++) {
1989 ist = ist_table[j++];
1990 ist->st = is->streams[k];
1991 ist->file_index = i;
1993 ist->discard = 1; /* the stream is discarded by default
1997 ist->start = av_gettime();
2002 /* output stream init */
2004 for(i=0;i<nb_output_files;i++) {
2005 os = output_files[i];
2006 if (!os->nb_streams) {
2007 dump_format(output_files[i], i, output_files[i]->filename, 1);
2008 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2011 nb_ostreams += os->nb_streams;
2013 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2014 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2018 /* Sanity check the mapping args -- do the input files & streams exist? */
2019 for(i=0;i<nb_stream_maps;i++) {
2020 int fi = stream_maps[i].file_index;
2021 int si = stream_maps[i].stream_index;
2023 if (fi < 0 || fi > nb_input_files - 1 ||
2024 si < 0 || si > file_table[fi].nb_streams - 1) {
2025 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2028 fi = stream_maps[i].sync_file_index;
2029 si = stream_maps[i].sync_stream_index;
2030 if (fi < 0 || fi > nb_input_files - 1 ||
2031 si < 0 || si > file_table[fi].nb_streams - 1) {
2032 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2037 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2040 for(i=0;i<nb_ostreams;i++) {
2041 ost = av_mallocz(sizeof(AVOutputStream));
2048 for(k=0;k<nb_output_files;k++) {
2049 os = output_files[k];
2050 for(i=0;i<os->nb_streams;i++,n++) {
2053 ost->file_index = k;
2055 ost->st = os->streams[i];
2056 if (nb_stream_maps > 0) {
2057 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2058 stream_maps[n].stream_index;
2060 /* Sanity check that the stream types match */
2061 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2062 int i= ost->file_index;
2063 dump_format(output_files[i], i, output_files[i]->filename, 1);
2064 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2065 stream_maps[n].file_index, stream_maps[n].stream_index,
2066 ost->file_index, ost->index);
2071 int best_nb_frames=-1;
2072 /* get corresponding input stream index : we select the first one with the right type */
2074 for(j=0;j<nb_istreams;j++) {
2079 AVFormatContext *f= input_files[ ist->file_index ];
2081 for(pi=0; pi<f->nb_programs; pi++){
2082 AVProgram *p= f->programs[pi];
2083 if(p->id == opt_programid)
2084 for(si=0; si<p->nb_stream_indexes; si++){
2085 if(f->streams[ p->stream_index[si] ] == ist->st)
2090 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2091 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2092 if(best_nb_frames < ist->st->codec_info_nb_frames){
2093 best_nb_frames= ist->st->codec_info_nb_frames;
2094 ost->source_index = j;
2101 if(! opt_programid) {
2102 /* try again and reuse existing stream */
2103 for(j=0;j<nb_istreams;j++) {
2105 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2106 && ist->st->discard != AVDISCARD_ALL) {
2107 ost->source_index = j;
2113 int i= ost->file_index;
2114 dump_format(output_files[i], i, output_files[i]->filename, 1);
2115 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2116 ost->file_index, ost->index);
2121 ist = ist_table[ost->source_index];
2123 ost->sync_ist = (nb_stream_maps > 0) ?
2124 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2125 stream_maps[n].sync_stream_index] : ist;
2129 /* for each output stream, we compute the right encoding parameters */
2130 for(i=0;i<nb_ostreams;i++) {
2131 AVMetadataTag *t = NULL;
2133 os = output_files[ost->file_index];
2134 ist = ist_table[ost->source_index];
2136 codec = ost->st->codec;
2137 icodec = ist->st->codec;
2139 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2140 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2143 ost->st->disposition = ist->st->disposition;
2144 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2145 codec->chroma_sample_location = icodec->chroma_sample_location;
2147 if (ost->st->stream_copy) {
2148 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2150 if (extra_size > INT_MAX)
2153 /* if stream_copy is selected, no need to decode or encode */
2154 codec->codec_id = icodec->codec_id;
2155 codec->codec_type = icodec->codec_type;
2157 if(!codec->codec_tag){
2158 if( !os->oformat->codec_tag
2159 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2160 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2161 codec->codec_tag = icodec->codec_tag;
2164 codec->bit_rate = icodec->bit_rate;
2165 codec->extradata= av_mallocz(extra_size);
2166 if (!codec->extradata)
2168 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2169 codec->extradata_size= icodec->extradata_size;
2170 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){
2171 codec->time_base = icodec->time_base;
2172 codec->time_base.num *= icodec->ticks_per_frame;
2174 codec->time_base = ist->st->time_base;
2175 switch(codec->codec_type) {
2176 case AVMEDIA_TYPE_AUDIO:
2177 if(audio_volume != 256) {
2178 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2181 codec->channel_layout = icodec->channel_layout;
2182 codec->sample_rate = icodec->sample_rate;
2183 codec->channels = icodec->channels;
2184 codec->frame_size = icodec->frame_size;
2185 codec->block_align= icodec->block_align;
2186 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2187 codec->block_align= 0;
2188 if(codec->codec_id == CODEC_ID_AC3)
2189 codec->block_align= 0;
2191 case AVMEDIA_TYPE_VIDEO:
2192 codec->pix_fmt = icodec->pix_fmt;
2193 codec->width = icodec->width;
2194 codec->height = icodec->height;
2195 codec->has_b_frames = icodec->has_b_frames;
2197 case AVMEDIA_TYPE_SUBTITLE:
2198 codec->width = icodec->width;
2199 codec->height = icodec->height;
2205 switch(codec->codec_type) {
2206 case AVMEDIA_TYPE_AUDIO:
2207 ost->fifo= av_fifo_alloc(1024);
2210 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2211 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2212 icodec->request_channels = codec->channels;
2213 ist->decoding_needed = 1;
2214 ost->encoding_needed = 1;
2216 case AVMEDIA_TYPE_VIDEO:
2217 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2218 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2221 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2222 ost->video_resample = ((codec->width != icodec->width -
2223 (frame_leftBand + frame_rightBand)) ||
2224 (codec->height != icodec->height -
2225 (frame_topBand + frame_bottomBand)) ||
2226 (codec->pix_fmt != icodec->pix_fmt));
2227 if (ost->video_crop) {
2228 ost->topBand = ost->original_topBand = frame_topBand;
2229 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2230 ost->leftBand = ost->original_leftBand = frame_leftBand;
2231 ost->rightBand = ost->original_rightBand = frame_rightBand;
2233 if (ost->video_resample) {
2234 avcodec_get_frame_defaults(&ost->pict_tmp);
2235 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2236 codec->width, codec->height)) {
2237 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2240 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2241 ost->img_resample_ctx = sws_getContext(
2242 icodec->width - (frame_leftBand + frame_rightBand),
2243 icodec->height - (frame_topBand + frame_bottomBand),
2248 sws_flags, NULL, NULL, NULL);
2249 if (ost->img_resample_ctx == NULL) {
2250 fprintf(stderr, "Cannot get resampling context\n");
2254 #if !CONFIG_AVFILTER
2255 ost->original_height = icodec->height;
2256 ost->original_width = icodec->width;
2258 codec->bits_per_raw_sample= 0;
2260 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2261 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2262 ost->resample_pix_fmt= icodec->pix_fmt;
2263 ost->encoding_needed = 1;
2264 ist->decoding_needed = 1;
2267 if (configure_filters(ist, ost)) {
2268 fprintf(stderr, "Error opening filters!\n");
2273 case AVMEDIA_TYPE_SUBTITLE:
2274 ost->encoding_needed = 1;
2275 ist->decoding_needed = 1;
2282 if (ost->encoding_needed &&
2283 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2284 char logfilename[1024];
2287 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2288 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2290 if (codec->flags & CODEC_FLAG_PASS1) {
2291 f = fopen(logfilename, "wb");
2293 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2299 size_t logbuffer_size;
2300 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2301 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2304 codec->stats_in = logbuffer;
2308 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2309 int size= codec->width * codec->height;
2310 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2315 bit_buffer = av_malloc(bit_buffer_size);
2317 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2319 ret = AVERROR(ENOMEM);
2323 /* open each encoder */
2324 for(i=0;i<nb_ostreams;i++) {
2326 if (ost->encoding_needed) {
2327 AVCodec *codec = output_codecs[i];
2329 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2331 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2332 ost->st->codec->codec_id, ost->file_index, ost->index);
2333 ret = AVERROR(EINVAL);
2336 if (avcodec_open(ost->st->codec, codec) < 0) {
2337 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2338 ost->file_index, ost->index);
2339 ret = AVERROR(EINVAL);
2342 extra_size += ost->st->codec->extradata_size;
2346 /* open each decoder */
2347 for(i=0;i<nb_istreams;i++) {
2349 if (ist->decoding_needed) {
2350 AVCodec *codec = input_codecs[i];
2352 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2354 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2355 ist->st->codec->codec_id, ist->file_index, ist->index);
2356 ret = AVERROR(EINVAL);
2359 if (avcodec_open(ist->st->codec, codec) < 0) {
2360 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2361 ist->file_index, ist->index);
2362 ret = AVERROR(EINVAL);
2365 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2366 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2371 for(i=0;i<nb_istreams;i++) {
2375 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2376 ist->next_pts = AV_NOPTS_VALUE;
2380 /* set meta data information from input file if required */
2381 for (i=0;i<nb_meta_data_maps;i++) {
2382 AVFormatContext *out_file;
2383 AVFormatContext *in_file;
2384 AVMetadataTag *mtag;
2386 int out_file_index = meta_data_maps[i].out_file;
2387 int in_file_index = meta_data_maps[i].in_file;
2388 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2389 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2390 out_file_index, out_file_index, in_file_index);
2391 ret = AVERROR(EINVAL);
2394 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2395 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2396 in_file_index, out_file_index, in_file_index);
2397 ret = AVERROR(EINVAL);
2401 out_file = output_files[out_file_index];
2402 in_file = input_files[in_file_index];
2406 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2407 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2408 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2409 in_file->iformat->metadata_conv);
2412 /* copy chapters from the first input file that has them*/
2413 for (i = 0; i < nb_input_files; i++) {
2414 if (!input_files[i]->nb_chapters)
2417 for (j = 0; j < nb_output_files; j++)
2418 if ((ret = copy_chapters(i, j)) < 0)
2422 /* open files and write file headers */
2423 for(i=0;i<nb_output_files;i++) {
2424 os = output_files[i];
2425 if (av_write_header(os) < 0) {
2426 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2427 ret = AVERROR(EINVAL);
2430 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2436 /* dump the file output parameters - cannot be done before in case
2438 for(i=0;i<nb_output_files;i++) {
2439 dump_format(output_files[i], i, output_files[i]->filename, 1);
2442 /* dump the stream mapping */
2444 fprintf(stderr, "Stream mapping:\n");
2445 for(i=0;i<nb_ostreams;i++) {
2447 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2448 ist_table[ost->source_index]->file_index,
2449 ist_table[ost->source_index]->index,
2452 if (ost->sync_ist != ist_table[ost->source_index])
2453 fprintf(stderr, " [sync #%d.%d]",
2454 ost->sync_ist->file_index,
2455 ost->sync_ist->index);
2456 fprintf(stderr, "\n");
2461 fprintf(stderr, "%s\n", error);
2466 print_sdp(output_files, nb_output_files);
2469 if (!using_stdin && verbose >= 0) {
2470 fprintf(stderr, "Press [q] to stop encoding\n");
2471 url_set_interrupt_cb(decode_interrupt_cb);
2475 timer_start = av_gettime();
2477 for(; received_sigterm == 0;) {
2478 int file_index, ist_index;
2486 /* if 'q' pressed, exits */
2490 /* read_key() returns 0 on EOF */
2496 /* select the stream that we must read now by looking at the
2497 smallest output pts */
2499 for(i=0;i<nb_ostreams;i++) {
2502 os = output_files[ost->file_index];
2503 ist = ist_table[ost->source_index];
2504 if(ist->is_past_recording_time || no_packet[ist->file_index])
2506 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2507 ipts = (double)ist->pts;
2508 if (!file_table[ist->file_index].eof_reached){
2509 if(ipts < ipts_min) {
2511 if(input_sync ) file_index = ist->file_index;
2513 if(opts < opts_min) {
2515 if(!input_sync) file_index = ist->file_index;
2518 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2523 /* if none, if is finished */
2524 if (file_index < 0) {
2525 if(no_packet_count){
2527 memset(no_packet, 0, sizeof(no_packet));
2534 /* finish if limit size exhausted */
2535 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2538 /* read a frame from it and output it in the fifo */
2539 is = input_files[file_index];
2540 ret= av_read_frame(is, &pkt);
2541 if(ret == AVERROR(EAGAIN)){
2542 no_packet[file_index]=1;
2547 file_table[file_index].eof_reached = 1;
2555 memset(no_packet, 0, sizeof(no_packet));
2558 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2560 /* the following test is needed in case new streams appear
2561 dynamically in stream : we ignore them */
2562 if (pkt.stream_index >= file_table[file_index].nb_streams)
2563 goto discard_packet;
2564 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2565 ist = ist_table[ist_index];
2567 goto discard_packet;
2569 if (pkt.dts != AV_NOPTS_VALUE)
2570 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2571 if (pkt.pts != AV_NOPTS_VALUE)
2572 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2574 if(input_files_ts_scale[file_index][pkt.stream_index]){
2575 if(pkt.pts != AV_NOPTS_VALUE)
2576 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2577 if(pkt.dts != AV_NOPTS_VALUE)
2578 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2581 // 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);
2582 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2583 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2584 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2585 int64_t delta= pkt_dts - ist->next_pts;
2586 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2587 input_files_ts_offset[ist->file_index]-= delta;
2589 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2590 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2591 if(pkt.pts != AV_NOPTS_VALUE)
2592 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2596 /* finish if recording time exhausted */
2597 if (recording_time != INT64_MAX &&
2598 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2599 ist->is_past_recording_time = 1;
2600 goto discard_packet;
2603 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2604 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2607 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2608 ist->file_index, ist->index);
2611 av_free_packet(&pkt);
2616 av_free_packet(&pkt);
2618 /* dump report by using the output first video and audio streams */
2619 print_report(output_files, ost_table, nb_ostreams, 0);
2622 /* at the end of stream, we must flush the decoder buffers */
2623 for(i=0;i<nb_istreams;i++) {
2625 if (ist->decoding_needed) {
2626 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2632 /* write the trailer if needed and close file */
2633 for(i=0;i<nb_output_files;i++) {
2634 os = output_files[i];
2635 av_write_trailer(os);
2638 /* dump report by using the first video and audio streams */
2639 print_report(output_files, ost_table, nb_ostreams, 1);
2641 /* close each encoder */
2642 for(i=0;i<nb_ostreams;i++) {
2644 if (ost->encoding_needed) {
2645 av_freep(&ost->st->codec->stats_in);
2646 avcodec_close(ost->st->codec);
2650 /* close each decoder */
2651 for(i=0;i<nb_istreams;i++) {
2653 if (ist->decoding_needed) {
2654 avcodec_close(ist->st->codec);
2659 avfilter_graph_destroy(graph);
2668 av_freep(&bit_buffer);
2669 av_free(file_table);
2672 for(i=0;i<nb_istreams;i++) {
2679 for(i=0;i<nb_ostreams;i++) {
2682 if (ost->st->stream_copy)
2683 av_freep(&ost->st->codec->extradata);
2685 fclose(ost->logfile);
2686 ost->logfile = NULL;
2688 av_fifo_free(ost->fifo); /* works even if fifo is not
2689 initialized but set to zero */
2690 av_free(ost->pict_tmp.data[0]);
2691 if (ost->video_resample)
2692 sws_freeContext(ost->img_resample_ctx);
2694 audio_resample_close(ost->resample);
2695 if (ost->reformat_ctx)
2696 av_audio_convert_free(ost->reformat_ctx);
2705 static void opt_format(const char *arg)
2707 /* compatibility stuff for pgmyuv */
2708 if (!strcmp(arg, "pgmyuv")) {
2709 pgmyuv_compatibility_hack=1;
2710 // opt_image_format(arg);
2712 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2715 last_asked_format = arg;
2718 static void opt_video_rc_override_string(const char *arg)
2720 video_rc_override_string = arg;
2723 static int opt_me_threshold(const char *opt, const char *arg)
2725 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2729 static int opt_verbose(const char *opt, const char *arg)
2731 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2735 static int opt_frame_rate(const char *opt, const char *arg)
2737 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2738 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2744 static int opt_bitrate(const char *opt, const char *arg)
2746 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2748 opt_default(opt, arg);
2750 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2751 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2756 static void opt_frame_crop_top(const char *arg)
2758 frame_topBand = atoi(arg);
2759 if (frame_topBand < 0) {
2760 fprintf(stderr, "Incorrect top crop size\n");
2763 if ((frame_topBand) >= frame_height){
2764 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2767 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2768 frame_height -= frame_topBand;
2771 static void opt_frame_crop_bottom(const char *arg)
2773 frame_bottomBand = atoi(arg);
2774 if (frame_bottomBand < 0) {
2775 fprintf(stderr, "Incorrect bottom crop size\n");
2778 if ((frame_bottomBand) >= frame_height){
2779 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2782 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2783 frame_height -= frame_bottomBand;
2786 static void opt_frame_crop_left(const char *arg)
2788 frame_leftBand = atoi(arg);
2789 if (frame_leftBand < 0) {
2790 fprintf(stderr, "Incorrect left crop size\n");
2793 if ((frame_leftBand) >= frame_width){
2794 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2797 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2798 frame_width -= frame_leftBand;
2801 static void opt_frame_crop_right(const char *arg)
2803 frame_rightBand = atoi(arg);
2804 if (frame_rightBand < 0) {
2805 fprintf(stderr, "Incorrect right crop size\n");
2808 if ((frame_rightBand) >= frame_width){
2809 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2812 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2813 frame_width -= frame_rightBand;
2816 static void opt_frame_size(const char *arg)
2818 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2819 fprintf(stderr, "Incorrect frame size\n");
2824 static void opt_pad(const char *arg) {
2825 fprintf(stderr, "Please use vf=pad\n");
2829 static void opt_frame_pix_fmt(const char *arg)
2831 if (strcmp(arg, "list")) {
2832 frame_pix_fmt = av_get_pix_fmt(arg);
2833 if (frame_pix_fmt == PIX_FMT_NONE) {
2834 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2843 static void opt_frame_aspect_ratio(const char *arg)
2850 p = strchr(arg, ':');
2852 x = strtol(arg, &end, 10);
2854 y = strtol(end+1, &end, 10);
2856 ar = (double)x / (double)y;
2858 ar = strtod(arg, NULL);
2861 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2864 frame_aspect_ratio = ar;
2867 static int opt_metadata(const char *opt, const char *arg)
2869 char *mid= strchr(arg, '=');
2872 fprintf(stderr, "Missing =\n");
2878 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2879 metadata[metadata_count-1].key = av_strdup(arg);
2880 metadata[metadata_count-1].value= av_strdup(mid);
2885 static void opt_qscale(const char *arg)
2887 video_qscale = atof(arg);
2888 if (video_qscale <= 0 ||
2889 video_qscale > 255) {
2890 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2895 static void opt_top_field_first(const char *arg)
2897 top_field_first= atoi(arg);
2900 static int opt_thread_count(const char *opt, const char *arg)
2902 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2905 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2910 static void opt_audio_sample_fmt(const char *arg)
2912 if (strcmp(arg, "list"))
2913 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2915 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2920 static int opt_audio_rate(const char *opt, const char *arg)
2922 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2926 static int opt_audio_channels(const char *opt, const char *arg)
2928 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2932 static void opt_video_channel(const char *arg)
2934 video_channel = strtol(arg, NULL, 0);
2937 static void opt_video_standard(const char *arg)
2939 video_standard = av_strdup(arg);
2942 static void opt_codec(int *pstream_copy, char **pcodec_name,
2943 int codec_type, const char *arg)
2945 av_freep(pcodec_name);
2946 if (!strcmp(arg, "copy")) {
2949 *pcodec_name = av_strdup(arg);
2953 static void opt_audio_codec(const char *arg)
2955 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2958 static void opt_audio_tag(const char *arg)
2961 audio_codec_tag= strtol(arg, &tail, 0);
2964 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2967 static void opt_video_tag(const char *arg)
2970 video_codec_tag= strtol(arg, &tail, 0);
2973 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2976 static void opt_video_codec(const char *arg)
2978 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2981 static void opt_subtitle_codec(const char *arg)
2983 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2986 static void opt_subtitle_tag(const char *arg)
2989 subtitle_codec_tag= strtol(arg, &tail, 0);
2992 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2995 static void opt_map(const char *arg)
3000 m = &stream_maps[nb_stream_maps++];
3002 m->file_index = strtol(arg, &p, 0);
3006 m->stream_index = strtol(p, &p, 0);
3009 m->sync_file_index = strtol(p, &p, 0);
3012 m->sync_stream_index = strtol(p, &p, 0);
3014 m->sync_file_index = m->file_index;
3015 m->sync_stream_index = m->stream_index;
3019 static void opt_map_meta_data(const char *arg)
3024 m = &meta_data_maps[nb_meta_data_maps++];
3026 m->out_file = strtol(arg, &p, 0);
3030 m->in_file = strtol(p, &p, 0);
3033 static void opt_input_ts_scale(const char *arg)
3035 unsigned int stream;
3039 stream = strtol(arg, &p, 0);
3042 scale= strtod(p, &p);
3044 if(stream >= MAX_STREAMS)
3047 input_files_ts_scale[nb_input_files][stream]= scale;
3050 static int opt_recording_time(const char *opt, const char *arg)
3052 recording_time = parse_time_or_die(opt, arg, 1);
3056 static int opt_start_time(const char *opt, const char *arg)
3058 start_time = parse_time_or_die(opt, arg, 1);
3062 static int opt_recording_timestamp(const char *opt, const char *arg)
3064 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3068 static int opt_input_ts_offset(const char *opt, const char *arg)
3070 input_ts_offset = parse_time_or_die(opt, arg, 1);
3074 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3076 const char *codec_string = encoder ? "encoder" : "decoder";
3080 return CODEC_ID_NONE;
3082 avcodec_find_encoder_by_name(name) :
3083 avcodec_find_decoder_by_name(name);
3085 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3088 if(codec->type != type) {
3089 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3092 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3093 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3094 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3095 "results.\nAdd '-strict experimental' if you want to use it.\n",
3096 codec_string, codec->name);
3098 avcodec_find_encoder(codec->id) :
3099 avcodec_find_decoder(codec->id);
3100 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3101 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3102 codec_string, codec->name);
3108 static void opt_input_file(const char *filename)
3110 AVFormatContext *ic;
3111 AVFormatParameters params, *ap = ¶ms;
3112 AVInputFormat *file_iformat = NULL;
3113 int err, i, ret, rfps, rfps_base;
3116 if (last_asked_format) {
3117 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3118 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3121 last_asked_format = NULL;
3124 if (!strcmp(filename, "-"))
3127 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3128 !strcmp(filename, "/dev/stdin");
3130 /* get default parameters from command line */
3131 ic = avformat_alloc_context();
3133 print_error(filename, AVERROR(ENOMEM));
3137 memset(ap, 0, sizeof(*ap));
3138 ap->prealloced_context = 1;
3139 ap->sample_rate = audio_sample_rate;
3140 ap->channels = audio_channels;
3141 ap->time_base.den = frame_rate.num;
3142 ap->time_base.num = frame_rate.den;
3143 ap->width = frame_width;
3144 ap->height = frame_height;
3145 ap->pix_fmt = frame_pix_fmt;
3146 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3147 ap->channel = video_channel;
3148 ap->standard = video_standard;
3150 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
3152 ic->video_codec_id =
3153 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3154 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3155 ic->audio_codec_id =
3156 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3157 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3158 ic->subtitle_codec_id=
3159 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3160 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3161 ic->flags |= AVFMT_FLAG_NONBLOCK;
3163 if(pgmyuv_compatibility_hack)
3164 ic->video_codec_id= CODEC_ID_PGMYUV;
3166 /* open the input file with generic libav function */
3167 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3169 print_error(filename, err);
3175 for(i=0; i<ic->nb_streams; i++){
3176 ic->streams[i]->discard= AVDISCARD_ALL;
3178 for(i=0; i<ic->nb_programs; i++){
3179 AVProgram *p= ic->programs[i];
3180 if(p->id != opt_programid){
3181 p->discard = AVDISCARD_ALL;
3184 for(j=0; j<p->nb_stream_indexes; j++){
3185 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3190 fprintf(stderr, "Specified program id not found\n");
3196 ic->loop_input = loop_input;
3198 /* If not enough info to get the stream parameters, we decode the
3199 first frames to get it. (used in mpeg case for example) */
3200 ret = av_find_stream_info(ic);
3201 if (ret < 0 && verbose >= 0) {
3202 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3206 timestamp = start_time;
3207 /* add the stream start time */
3208 if (ic->start_time != AV_NOPTS_VALUE)
3209 timestamp += ic->start_time;
3211 /* if seeking requested, we execute it */
3212 if (start_time != 0) {
3213 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3215 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3216 filename, (double)timestamp / AV_TIME_BASE);
3218 /* reset seek info */
3222 /* update the current parameters so that they match the one of the input stream */
3223 for(i=0;i<ic->nb_streams;i++) {
3224 AVStream *st = ic->streams[i];
3225 AVCodecContext *enc = st->codec;
3226 avcodec_thread_init(enc, thread_count);
3227 switch(enc->codec_type) {
3228 case AVMEDIA_TYPE_AUDIO:
3229 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3230 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3231 channel_layout = enc->channel_layout;
3232 audio_channels = enc->channels;
3233 audio_sample_rate = enc->sample_rate;
3234 audio_sample_fmt = enc->sample_fmt;
3235 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3237 st->discard= AVDISCARD_ALL;
3239 case AVMEDIA_TYPE_VIDEO:
3240 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3241 frame_height = enc->height;
3242 frame_width = enc->width;
3243 if(ic->streams[i]->sample_aspect_ratio.num)
3244 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3246 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3247 frame_aspect_ratio *= (float) enc->width / enc->height;
3248 frame_pix_fmt = enc->pix_fmt;
3249 rfps = ic->streams[i]->r_frame_rate.num;
3250 rfps_base = ic->streams[i]->r_frame_rate.den;
3252 enc->flags |= CODEC_FLAG_EMU_EDGE;
3253 frame_height >>= enc->lowres;
3254 frame_width >>= enc->lowres;
3257 enc->debug |= FF_DEBUG_MV;
3259 if (enc->time_base.den != rfps*enc->ticks_per_frame || enc->time_base.num != rfps_base) {
3262 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3263 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3265 (float)rfps / rfps_base, rfps, rfps_base);
3267 /* update the current frame rate to match the stream frame rate */
3268 frame_rate.num = rfps;
3269 frame_rate.den = rfps_base;
3271 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3273 st->discard= AVDISCARD_ALL;
3274 else if(video_discard)
3275 st->discard= video_discard;
3277 case AVMEDIA_TYPE_DATA:
3279 case AVMEDIA_TYPE_SUBTITLE:
3280 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3281 if(subtitle_disable)
3282 st->discard = AVDISCARD_ALL;
3284 case AVMEDIA_TYPE_ATTACHMENT:
3285 case AVMEDIA_TYPE_UNKNOWN:
3293 input_files[nb_input_files] = ic;
3294 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3295 /* dump the file content */
3297 dump_format(ic, nb_input_files, filename, 0);
3303 av_freep(&video_codec_name);
3304 av_freep(&audio_codec_name);
3305 av_freep(&subtitle_codec_name);
3308 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3309 int *has_subtitle_ptr)
3311 int has_video, has_audio, has_subtitle, i, j;
3312 AVFormatContext *ic;
3317 for(j=0;j<nb_input_files;j++) {
3318 ic = input_files[j];
3319 for(i=0;i<ic->nb_streams;i++) {
3320 AVCodecContext *enc = ic->streams[i]->codec;
3321 switch(enc->codec_type) {
3322 case AVMEDIA_TYPE_AUDIO:
3325 case AVMEDIA_TYPE_VIDEO:
3328 case AVMEDIA_TYPE_SUBTITLE:
3331 case AVMEDIA_TYPE_DATA:
3332 case AVMEDIA_TYPE_ATTACHMENT:
3333 case AVMEDIA_TYPE_UNKNOWN:
3340 *has_video_ptr = has_video;
3341 *has_audio_ptr = has_audio;
3342 *has_subtitle_ptr = has_subtitle;
3345 static void new_video_stream(AVFormatContext *oc)
3348 AVCodecContext *video_enc;
3349 enum CodecID codec_id;
3351 st = av_new_stream(oc, oc->nb_streams);
3353 fprintf(stderr, "Could not alloc stream\n");
3356 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3357 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3358 video_bitstream_filters= NULL;
3360 avcodec_thread_init(st->codec, thread_count);
3362 video_enc = st->codec;
3365 video_enc->codec_tag= video_codec_tag;
3367 if( (video_global_header&1)
3368 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3369 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3370 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3372 if(video_global_header&2){
3373 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3374 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3377 if (video_stream_copy) {
3378 st->stream_copy = 1;
3379 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3380 video_enc->sample_aspect_ratio =
3381 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3386 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3388 if (video_codec_name) {
3389 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3390 video_enc->strict_std_compliance);
3391 codec = avcodec_find_encoder_by_name(video_codec_name);
3392 output_codecs[nb_ocodecs] = codec;
3394 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3395 codec = avcodec_find_encoder(codec_id);
3398 video_enc->codec_id = codec_id;
3400 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3402 if (codec && codec->supported_framerates && !force_fps)
3403 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3404 video_enc->time_base.den = fps.num;
3405 video_enc->time_base.num = fps.den;
3407 video_enc->width = frame_width;
3408 video_enc->height = frame_height;
3409 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3410 video_enc->pix_fmt = frame_pix_fmt;
3411 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3413 choose_pixel_fmt(st, codec);
3416 video_enc->gop_size = 0;
3417 if (video_qscale || same_quality) {
3418 video_enc->flags |= CODEC_FLAG_QSCALE;
3419 video_enc->global_quality=
3420 st->quality = FF_QP2LAMBDA * video_qscale;
3424 video_enc->intra_matrix = intra_matrix;
3426 video_enc->inter_matrix = inter_matrix;
3428 p= video_rc_override_string;
3431 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3433 fprintf(stderr, "error parsing rc_override\n");
3436 video_enc->rc_override=
3437 av_realloc(video_enc->rc_override,
3438 sizeof(RcOverride)*(i+1));
3439 video_enc->rc_override[i].start_frame= start;
3440 video_enc->rc_override[i].end_frame = end;
3442 video_enc->rc_override[i].qscale= q;
3443 video_enc->rc_override[i].quality_factor= 1.0;
3446 video_enc->rc_override[i].qscale= 0;
3447 video_enc->rc_override[i].quality_factor= -q/100.0;
3452 video_enc->rc_override_count=i;
3453 if (!video_enc->rc_initial_buffer_occupancy)
3454 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3455 video_enc->me_threshold= me_threshold;
3456 video_enc->intra_dc_precision= intra_dc_precision - 8;
3459 video_enc->flags|= CODEC_FLAG_PSNR;
3464 video_enc->flags |= CODEC_FLAG_PASS1;
3466 video_enc->flags |= CODEC_FLAG_PASS2;
3471 if (video_language) {
3472 av_metadata_set2(&st->metadata, "language", video_language, 0);
3473 av_freep(&video_language);
3476 /* reset some key parameters */
3478 av_freep(&video_codec_name);
3479 video_stream_copy = 0;
3480 frame_pix_fmt = PIX_FMT_NONE;
3483 static void new_audio_stream(AVFormatContext *oc)
3486 AVCodecContext *audio_enc;
3487 enum CodecID codec_id;
3489 st = av_new_stream(oc, oc->nb_streams);
3491 fprintf(stderr, "Could not alloc stream\n");
3494 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
3496 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3497 audio_bitstream_filters= NULL;
3499 avcodec_thread_init(st->codec, thread_count);
3501 audio_enc = st->codec;
3502 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3505 audio_enc->codec_tag= audio_codec_tag;
3507 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3508 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3509 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3511 if (audio_stream_copy) {
3512 st->stream_copy = 1;
3513 audio_enc->channels = audio_channels;
3514 audio_enc->sample_rate = audio_sample_rate;
3518 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3520 if (audio_codec_name) {
3521 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3522 audio_enc->strict_std_compliance);
3523 codec = avcodec_find_encoder_by_name(audio_codec_name);
3524 output_codecs[nb_ocodecs] = codec;
3526 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3527 codec = avcodec_find_encoder(codec_id);
3529 audio_enc->codec_id = codec_id;
3531 if (audio_qscale > QSCALE_NONE) {
3532 audio_enc->flags |= CODEC_FLAG_QSCALE;
3533 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3535 audio_enc->channels = audio_channels;
3536 audio_enc->sample_fmt = audio_sample_fmt;
3537 audio_enc->sample_rate = audio_sample_rate;
3538 audio_enc->channel_layout = channel_layout;
3539 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3540 audio_enc->channel_layout = 0;
3541 choose_sample_fmt(st, codec);
3542 choose_sample_rate(st, codec);
3545 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3546 if (audio_language) {
3547 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3548 av_freep(&audio_language);
3551 /* reset some key parameters */
3553 av_freep(&audio_codec_name);
3554 audio_stream_copy = 0;
3557 static void new_subtitle_stream(AVFormatContext *oc)
3560 AVCodecContext *subtitle_enc;
3562 st = av_new_stream(oc, oc->nb_streams);
3564 fprintf(stderr, "Could not alloc stream\n");
3567 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
3569 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3570 subtitle_bitstream_filters= NULL;
3572 subtitle_enc = st->codec;
3573 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3575 if(subtitle_codec_tag)
3576 subtitle_enc->codec_tag= subtitle_codec_tag;
3578 if (subtitle_stream_copy) {
3579 st->stream_copy = 1;
3581 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3582 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3583 subtitle_enc->strict_std_compliance);
3584 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3588 if (subtitle_language) {
3589 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3590 av_freep(&subtitle_language);
3593 subtitle_disable = 0;
3594 av_freep(&subtitle_codec_name);
3595 subtitle_stream_copy = 0;
3598 static void opt_new_audio_stream(void)
3600 AVFormatContext *oc;
3601 if (nb_output_files <= 0) {
3602 fprintf(stderr, "At least one output file must be specified\n");
3605 oc = output_files[nb_output_files - 1];
3606 new_audio_stream(oc);
3609 static void opt_new_video_stream(void)
3611 AVFormatContext *oc;
3612 if (nb_output_files <= 0) {
3613 fprintf(stderr, "At least one output file must be specified\n");
3616 oc = output_files[nb_output_files - 1];
3617 new_video_stream(oc);
3620 static void opt_new_subtitle_stream(void)
3622 AVFormatContext *oc;
3623 if (nb_output_files <= 0) {
3624 fprintf(stderr, "At least one output file must be specified\n");
3627 oc = output_files[nb_output_files - 1];
3628 new_subtitle_stream(oc);
3631 static void opt_output_file(const char *filename)
3633 AVFormatContext *oc;
3634 int err, use_video, use_audio, use_subtitle;
3635 int input_has_video, input_has_audio, input_has_subtitle;
3636 AVFormatParameters params, *ap = ¶ms;
3637 AVOutputFormat *file_oformat;
3639 if (!strcmp(filename, "-"))
3642 oc = avformat_alloc_context();
3644 print_error(filename, AVERROR(ENOMEM));
3648 if (last_asked_format) {
3649 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3650 if (!file_oformat) {
3651 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3654 last_asked_format = NULL;
3656 file_oformat = av_guess_format(NULL, filename, NULL);
3657 if (!file_oformat) {
3658 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3664 oc->oformat = file_oformat;
3665 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3667 if (!strcmp(file_oformat->name, "ffm") &&
3668 av_strstart(filename, "http:", NULL)) {
3669 /* special case for files sent to ffserver: we get the stream
3670 parameters from ffserver */
3671 int err = read_ffserver_streams(oc, filename);
3673 print_error(filename, err);
3677 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3678 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3679 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3681 /* disable if no corresponding type found and at least one
3683 if (nb_input_files > 0) {
3684 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3685 &input_has_subtitle);
3686 if (!input_has_video)
3688 if (!input_has_audio)
3690 if (!input_has_subtitle)
3694 /* manual disable */
3695 if (audio_disable) {
3698 if (video_disable) {
3701 if (subtitle_disable) {
3706 new_video_stream(oc);
3710 new_audio_stream(oc);
3714 new_subtitle_stream(oc);
3717 oc->timestamp = recording_timestamp;
3719 for(; metadata_count>0; metadata_count--){
3720 av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,
3721 metadata[metadata_count-1].value, 0);
3723 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3726 output_files[nb_output_files++] = oc;
3728 /* check filename in case of an image number is expected */
3729 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3730 if (!av_filename_number_test(oc->filename)) {
3731 print_error(oc->filename, AVERROR_NUMEXPECTED);
3736 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3737 /* test if it already exists to avoid loosing precious files */
3738 if (!file_overwrite &&
3739 (strchr(filename, ':') == NULL ||
3740 filename[1] == ':' ||
3741 av_strstart(filename, "file:", NULL))) {
3742 if (url_exist(filename)) {
3744 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3746 if (!read_yesno()) {
3747 fprintf(stderr, "Not overwriting - exiting\n");
3752 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3759 if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
3760 print_error(filename, err);
3765 memset(ap, 0, sizeof(*ap));
3766 if (av_set_parameters(oc, ap) < 0) {
3767 fprintf(stderr, "%s: Invalid encoding parameters\n",
3772 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3773 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3774 oc->loop_output = loop_output;
3775 oc->flags |= AVFMT_FLAG_NONBLOCK;
3777 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3780 /* same option as mencoder */
3781 static void opt_pass(const char *pass_str)
3784 pass = atoi(pass_str);
3785 if (pass != 1 && pass != 2) {
3786 fprintf(stderr, "pass number can be only 1 or 2\n");
3792 static int64_t getutime(void)
3795 struct rusage rusage;
3797 getrusage(RUSAGE_SELF, &rusage);
3798 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3799 #elif HAVE_GETPROCESSTIMES
3801 FILETIME c, e, k, u;
3802 proc = GetCurrentProcess();
3803 GetProcessTimes(proc, &c, &e, &k, &u);
3804 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3806 return av_gettime();
3810 static int64_t getmaxrss(void)
3812 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3813 struct rusage rusage;
3814 getrusage(RUSAGE_SELF, &rusage);
3815 return (int64_t)rusage.ru_maxrss * 1024;
3816 #elif HAVE_GETPROCESSMEMORYINFO
3818 PROCESS_MEMORY_COUNTERS memcounters;
3819 proc = GetCurrentProcess();
3820 memcounters.cb = sizeof(memcounters);
3821 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3822 return memcounters.PeakPagefileUsage;
3828 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3831 const char *p = str;
3838 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3845 static void opt_inter_matrix(const char *arg)
3847 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3848 parse_matrix_coeffs(inter_matrix, arg);
3851 static void opt_intra_matrix(const char *arg)
3853 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3854 parse_matrix_coeffs(intra_matrix, arg);
3858 * Trivial log callback.
3859 * Only suitable for show_help and similar since it lacks prefix handling.
3861 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3863 vfprintf(stdout, fmt, vl);
3866 static void show_usage(void)
3868 printf("Hyper fast Audio and Video encoder\n");
3869 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3873 static void show_help(void)
3875 av_log_set_callback(log_callback_help);
3877 show_help_options(options, "Main options:\n",
3878 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3879 show_help_options(options, "\nAdvanced options:\n",
3880 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3882 show_help_options(options, "\nVideo options:\n",
3883 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3885 show_help_options(options, "\nAdvanced Video options:\n",
3886 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3887 OPT_VIDEO | OPT_EXPERT);
3888 show_help_options(options, "\nAudio options:\n",
3889 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3891 show_help_options(options, "\nAdvanced Audio options:\n",
3892 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3893 OPT_AUDIO | OPT_EXPERT);
3894 show_help_options(options, "\nSubtitle options:\n",
3895 OPT_SUBTITLE | OPT_GRAB,
3897 show_help_options(options, "\nAudio/Video grab options:\n",
3901 av_opt_show(avcodec_opts[0], NULL);
3903 av_opt_show(avformat_opts, NULL);
3905 av_opt_show(sws_opts, NULL);
3908 static void opt_target(const char *arg)
3910 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3911 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3913 if(!strncmp(arg, "pal-", 4)) {
3916 } else if(!strncmp(arg, "ntsc-", 5)) {
3919 } else if(!strncmp(arg, "film-", 5)) {
3924 /* Calculate FR via float to avoid int overflow */
3925 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3928 } else if((fr == 29970) || (fr == 23976)) {
3931 /* Try to determine PAL/NTSC by peeking in the input files */
3932 if(nb_input_files) {
3934 for(j = 0; j < nb_input_files; j++) {
3935 for(i = 0; i < input_files[j]->nb_streams; i++) {
3936 AVCodecContext *c = input_files[j]->streams[i]->codec;
3937 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3939 fr = c->time_base.den * 1000 / c->time_base.num;
3943 } else if((fr == 29970) || (fr == 23976)) {
3953 if(verbose && norm != UNKNOWN)
3954 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3957 if(norm == UNKNOWN) {
3958 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3959 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3960 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3964 if(!strcmp(arg, "vcd")) {
3966 opt_video_codec("mpeg1video");
3967 opt_audio_codec("mp2");
3970 opt_frame_size(norm == PAL ? "352x288" : "352x240");
3971 opt_frame_rate(NULL, frame_rates[norm]);
3972 opt_default("g", norm == PAL ? "15" : "18");
3974 opt_default("b", "1150000");
3975 opt_default("maxrate", "1150000");
3976 opt_default("minrate", "1150000");
3977 opt_default("bufsize", "327680"); // 40*1024*8;
3979 opt_default("ab", "224000");
3980 audio_sample_rate = 44100;
3983 opt_default("packetsize", "2324");
3984 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3986 /* We have to offset the PTS, so that it is consistent with the SCR.
3987 SCR starts at 36000, but the first two packs contain only padding
3988 and the first pack from the other stream, respectively, may also have
3989 been written before.
3990 So the real data starts at SCR 36000+3*1200. */
3991 mux_preload= (36000+3*1200) / 90000.0; //0.44
3992 } else if(!strcmp(arg, "svcd")) {
3994 opt_video_codec("mpeg2video");
3995 opt_audio_codec("mp2");
3998 opt_frame_size(norm == PAL ? "480x576" : "480x480");
3999 opt_frame_rate(NULL, frame_rates[norm]);
4000 opt_default("g", norm == PAL ? "15" : "18");
4002 opt_default("b", "2040000");
4003 opt_default("maxrate", "2516000");
4004 opt_default("minrate", "0"); //1145000;
4005 opt_default("bufsize", "1835008"); //224*1024*8;
4006 opt_default("flags", "+scan_offset");
4009 opt_default("ab", "224000");
4010 audio_sample_rate = 44100;
4012 opt_default("packetsize", "2324");
4014 } else if(!strcmp(arg, "dvd")) {
4016 opt_video_codec("mpeg2video");
4017 opt_audio_codec("ac3");
4020 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4021 opt_frame_rate(NULL, frame_rates[norm]);
4022 opt_default("g", norm == PAL ? "15" : "18");
4024 opt_default("b", "6000000");
4025 opt_default("maxrate", "9000000");
4026 opt_default("minrate", "0"); //1500000;
4027 opt_default("bufsize", "1835008"); //224*1024*8;
4029 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4030 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4032 opt_default("ab", "448000");
4033 audio_sample_rate = 48000;
4035 } else if(!strncmp(arg, "dv", 2)) {
4039 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4040 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4041 (norm == PAL ? "yuv420p" : "yuv411p"));
4042 opt_frame_rate(NULL, frame_rates[norm]);
4044 audio_sample_rate = 48000;
4048 fprintf(stderr, "Unknown target: %s\n", arg);
4053 static void opt_vstats_file (const char *arg)
4055 av_free (vstats_filename);
4056 vstats_filename=av_strdup (arg);
4059 static void opt_vstats (void)
4062 time_t today2 = time(NULL);
4063 struct tm *today = localtime(&today2);
4065 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4067 opt_vstats_file(filename);
4070 static int opt_bsf(const char *opt, const char *arg)
4072 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4073 AVBitStreamFilterContext **bsfp;
4076 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4080 bsfp= *opt == 'v' ? &video_bitstream_filters :
4081 *opt == 'a' ? &audio_bitstream_filters :
4082 &subtitle_bitstream_filters;
4084 bsfp= &(*bsfp)->next;
4091 static int opt_preset(const char *opt, const char *arg)
4094 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4096 const char *base[3]= { getenv("FFMPEG_DATADIR"),
4102 for(i=0; i<3 && !f; i++){
4105 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
4106 f= fopen(filename, "r");
4108 char *codec_name= *opt == 'v' ? video_codec_name :
4109 *opt == 'a' ? audio_codec_name :
4110 subtitle_codec_name;
4111 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec_name, arg);
4112 f= fopen(filename, "r");
4116 av_strlcpy(filename, arg, sizeof(filename));
4117 f= fopen(filename, "r");
4121 fprintf(stderr, "File for preset '%s' not found\n", arg);
4126 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4127 if(line[0] == '#' && !e)
4129 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4131 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4134 if(!strcmp(tmp, "acodec")){
4135 opt_audio_codec(tmp2);
4136 }else if(!strcmp(tmp, "vcodec")){
4137 opt_video_codec(tmp2);
4138 }else if(!strcmp(tmp, "scodec")){
4139 opt_subtitle_codec(tmp2);
4140 }else if(opt_default(tmp, tmp2) < 0){
4141 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4151 static const OptionDef options[] = {
4153 #include "cmdutils_common_opts.h"
4154 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4155 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4156 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4157 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4158 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4159 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4160 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4161 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4162 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4163 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4164 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4165 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4166 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4167 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4168 "add timings for benchmarking" },
4169 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4170 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4171 "dump each input packet" },
4172 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4173 "when dumping packets, also dump the payload" },
4174 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4175 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4176 { "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)", "" },
4177 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4178 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4179 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4180 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4181 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4182 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4183 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4184 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4185 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4186 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4187 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4188 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4189 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4192 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4193 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4194 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4195 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4196 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4197 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4198 { "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" },
4199 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "Deprecated, please use the crop avfilter", "size" },
4200 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "Deprecated, please use the crop avfilter", "size" },
4201 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "Deprecated, please use the crop avfilter", "size" },
4202 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "Deprecated, please use the crop avfilter", "size" },
4203 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set top pad band size (in pixels)", "size" },
4204 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set bottom pad band size (in pixels)", "size" },
4205 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set left pad band size (in pixels)", "size" },
4206 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set right pad band size (in pixels)", "size" },
4207 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
4208 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4209 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4210 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4211 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4212 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4213 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4214 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4215 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4216 "use same video quality as source (implies VBR)" },
4217 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4218 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4219 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4220 "deinterlace pictures" },
4221 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4222 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4223 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4225 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4227 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4228 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4229 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4230 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4231 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4232 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4233 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4234 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4235 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4238 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4239 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4240 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4241 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4242 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4243 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4244 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4245 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4246 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4247 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4248 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4249 { "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" },
4251 /* subtitle options */
4252 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4253 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4254 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4255 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4256 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4259 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4260 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4261 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4264 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4265 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4267 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4268 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4269 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4271 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4272 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4273 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4274 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4276 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4280 int main(int argc, char **argv)
4285 avcodec_register_all();
4287 avdevice_register_all();
4290 avfilter_register_all();
4295 if(isatty(STDIN_FILENO))
4296 url_set_interrupt_cb(decode_interrupt_cb);
4299 for(i=0; i<AVMEDIA_TYPE_NB; i++){
4300 avcodec_opts[i]= avcodec_alloc_context2(i);
4302 avformat_opts = avformat_alloc_context();
4303 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4308 parse_options(argc, argv, options, opt_output_file);
4310 if(nb_output_files <= 0 && nb_input_files == 0) {
4312 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4316 /* file converter / grab */
4317 if (nb_output_files <= 0) {
4318 fprintf(stderr, "At least one output file must be specified\n");
4322 if (nb_input_files == 0) {
4323 fprintf(stderr, "At least one input file must be specified\n");
4328 if (av_transcode(output_files, nb_output_files, input_files, nb_input_files,
4329 stream_maps, nb_stream_maps) < 0)
4331 ti = getutime() - ti;
4333 int maxrss = getmaxrss() / 1024;
4334 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);