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 rec_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 #if CONFIG_POWERPC_PERF
622 void powerpc_display_perf_report(void);
623 powerpc_display_perf_report();
624 #endif /* CONFIG_POWERPC_PERF */
626 for (i=0;i<AVMEDIA_TYPE_NB;i++)
627 av_free(avcodec_opts[i]);
628 av_free(avformat_opts);
632 allocated_audio_buf_size= allocated_audio_out_size= 0;
639 if (received_sigterm) {
641 "Received signal %d: terminating.\n",
642 (int) received_sigterm);
646 exit(ret); /* not all OS-es handle main() return value */
650 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
652 if(codec && codec->sample_fmts){
653 const enum SampleFormat *p= codec->sample_fmts;
655 if(*p == st->codec->sample_fmt)
659 st->codec->sample_fmt = codec->sample_fmts[0];
663 static void choose_sample_rate(AVStream *st, AVCodec *codec)
665 if(codec && codec->supported_samplerates){
666 const int *p= codec->supported_samplerates;
668 int best_dist=INT_MAX;
670 int dist= abs(st->codec->sample_rate - *p);
671 if(dist < best_dist){
677 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
679 st->codec->sample_rate= best;
683 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
685 if(codec && codec->pix_fmts){
686 const enum PixelFormat *p= codec->pix_fmts;
688 if(*p == st->codec->pix_fmt)
692 && !( st->codec->codec_id==CODEC_ID_MJPEG
693 && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
694 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
695 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
696 st->codec->pix_fmt = codec->pix_fmts[0];
700 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
706 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
709 /* copy stream format */
710 s->nb_streams = ic->nb_streams;
711 for(i=0;i<ic->nb_streams;i++) {
715 // FIXME: a more elegant solution is needed
716 st = av_mallocz(sizeof(AVStream));
717 memcpy(st, ic->streams[i], sizeof(AVStream));
718 st->codec = avcodec_alloc_context();
720 print_error(filename, AVERROR(ENOMEM));
723 avcodec_copy_context(st->codec, ic->streams[i]->codec);
726 codec = avcodec_find_encoder(st->codec->codec_id);
727 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
728 if (audio_stream_copy) {
731 choose_sample_fmt(st, codec);
732 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
733 if (video_stream_copy) {
736 choose_pixel_fmt(st, codec);
739 if(!st->codec->thread_count)
740 st->codec->thread_count = 1;
741 if(st->codec->thread_count>1)
742 avcodec_thread_init(st->codec, st->codec->thread_count);
744 if(st->codec->flags & CODEC_FLAG_BITEXACT)
749 s->timestamp = av_gettime();
751 av_close_input_file(ic);
756 get_sync_ipts(const AVOutputStream *ost)
758 const AVInputStream *ist = ost->sync_ist;
759 return (double)(ist->pts - start_time)/AV_TIME_BASE;
762 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
766 AVPacket new_pkt= *pkt;
767 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
768 &new_pkt.data, &new_pkt.size,
769 pkt->data, pkt->size,
770 pkt->flags & AV_PKT_FLAG_KEY);
773 new_pkt.destruct= av_destruct_packet;
775 fprintf(stderr, "%s failed for stream %d, codec %s",
776 bsfc->filter->name, pkt->stream_index,
777 avctx->codec ? avctx->codec->name : "copy");
787 ret= av_interleaved_write_frame(s, pkt);
789 print_error("av_interleaved_write_frame()", ret);
794 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
796 static void do_audio_out(AVFormatContext *s,
799 unsigned char *buf, int size)
802 int64_t audio_out_size, audio_buf_size;
803 int64_t allocated_for_size= size;
805 int size_out, frame_bytes, ret;
806 AVCodecContext *enc= ost->st->codec;
807 AVCodecContext *dec= ist->st->codec;
808 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
809 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
810 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
813 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
814 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
815 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
816 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
817 audio_buf_size*= osize*enc->channels;
819 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
820 if(coded_bps > 8*osize)
821 audio_out_size= audio_out_size * coded_bps / (8*osize);
822 audio_out_size += FF_MIN_BUFFER_SIZE;
824 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
825 fprintf(stderr, "Buffer sizes too large\n");
829 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
830 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
831 if (!audio_buf || !audio_out){
832 fprintf(stderr, "Out of memory in do_audio_out\n");
836 if (enc->channels != dec->channels)
837 ost->audio_resample = 1;
839 if (ost->audio_resample && !ost->resample) {
840 if (dec->sample_fmt != SAMPLE_FMT_S16)
841 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
842 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
843 enc->sample_rate, dec->sample_rate,
844 enc->sample_fmt, dec->sample_fmt,
846 if (!ost->resample) {
847 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
848 dec->channels, dec->sample_rate,
849 enc->channels, enc->sample_rate);
854 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
855 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
856 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
857 if (ost->reformat_ctx)
858 av_audio_convert_free(ost->reformat_ctx);
859 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
860 dec->sample_fmt, 1, NULL, 0);
861 if (!ost->reformat_ctx) {
862 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
863 avcodec_get_sample_fmt_name(dec->sample_fmt),
864 avcodec_get_sample_fmt_name(enc->sample_fmt));
867 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
870 if(audio_sync_method){
871 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
872 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
873 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
874 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
876 //FIXME resample delay
877 if(fabs(delta) > 50){
878 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
880 byte_delta= FFMAX(byte_delta, -size);
884 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
889 static uint8_t *input_tmp= NULL;
890 input_tmp= av_realloc(input_tmp, byte_delta + size);
892 if(byte_delta > allocated_for_size - size){
893 allocated_for_size= byte_delta + (int64_t)size;
898 memset(input_tmp, 0, byte_delta);
899 memcpy(input_tmp + byte_delta, buf, size);
903 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
905 }else if(audio_sync_method>1){
906 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
907 assert(ost->audio_resample);
909 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
910 // 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));
911 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
915 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
916 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
918 if (ost->audio_resample) {
920 size_out = audio_resample(ost->resample,
921 (short *)buftmp, (short *)buf,
922 size / (ist->st->codec->channels * isize));
923 size_out = size_out * enc->channels * osize;
929 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
930 const void *ibuf[6]= {buftmp};
931 void *obuf[6]= {audio_buf};
932 int istride[6]= {isize};
933 int ostride[6]= {osize};
934 int len= size_out/istride[0];
935 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
936 printf("av_audio_convert() failed\n");
942 size_out = len*osize;
945 /* now encode as many frames as possible */
946 if (enc->frame_size > 1) {
947 /* output resampled raw samples */
948 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
949 fprintf(stderr, "av_fifo_realloc2() failed\n");
952 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
954 frame_bytes = enc->frame_size * osize * enc->channels;
956 while (av_fifo_size(ost->fifo) >= frame_bytes) {
958 av_init_packet(&pkt);
960 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
962 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
964 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
967 fprintf(stderr, "Audio encoding failed\n");
971 pkt.stream_index= ost->index;
974 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
975 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
976 pkt.flags |= AV_PKT_FLAG_KEY;
977 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
979 ost->sync_opts += enc->frame_size;
983 av_init_packet(&pkt);
985 ost->sync_opts += size_out / (osize * enc->channels);
987 /* output a pcm frame */
988 /* determine the size of the coded buffer */
991 size_out = size_out*coded_bps/8;
993 if(size_out > audio_out_size){
994 fprintf(stderr, "Internal error, buffer size too small\n");
998 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
999 ret = avcodec_encode_audio(enc, audio_out, size_out,
1002 fprintf(stderr, "Audio encoding failed\n");
1006 pkt.stream_index= ost->index;
1007 pkt.data= audio_out;
1009 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1010 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1011 pkt.flags |= AV_PKT_FLAG_KEY;
1012 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1016 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1018 AVCodecContext *dec;
1019 AVPicture *picture2;
1020 AVPicture picture_tmp;
1023 dec = ist->st->codec;
1025 /* deinterlace : must be done before any resize */
1026 if (do_deinterlace) {
1029 /* create temporary picture */
1030 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1031 buf = av_malloc(size);
1035 picture2 = &picture_tmp;
1036 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1038 if(avpicture_deinterlace(picture2, picture,
1039 dec->pix_fmt, dec->width, dec->height) < 0) {
1040 /* if error, do not deinterlace */
1041 fprintf(stderr, "Deinterlacing failed\n");
1050 if (picture != picture2)
1051 *picture = *picture2;
1055 /* we begin to correct av delay at this threshold */
1056 #define AV_DELAY_MAX 0.100
1058 static void do_subtitle_out(AVFormatContext *s,
1059 AVOutputStream *ost,
1064 static uint8_t *subtitle_out = NULL;
1065 int subtitle_out_max_size = 1024 * 1024;
1066 int subtitle_out_size, nb, i;
1067 AVCodecContext *enc;
1070 if (pts == AV_NOPTS_VALUE) {
1071 fprintf(stderr, "Subtitle packets must have a pts\n");
1077 enc = ost->st->codec;
1079 if (!subtitle_out) {
1080 subtitle_out = av_malloc(subtitle_out_max_size);
1083 /* Note: DVB subtitle need one packet to draw them and one other
1084 packet to clear them */
1085 /* XXX: signal it in the codec context ? */
1086 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1091 for(i = 0; i < nb; i++) {
1092 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1093 // start_display_time is required to be 0
1094 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1095 sub->end_display_time -= sub->start_display_time;
1096 sub->start_display_time = 0;
1097 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1098 subtitle_out_max_size, sub);
1099 if (subtitle_out_size < 0) {
1100 fprintf(stderr, "Subtitle encoding failed\n");
1104 av_init_packet(&pkt);
1105 pkt.stream_index = ost->index;
1106 pkt.data = subtitle_out;
1107 pkt.size = subtitle_out_size;
1108 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1109 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1110 /* XXX: the pts correction is handled here. Maybe handling
1111 it in the codec would be better */
1113 pkt.pts += 90 * sub->start_display_time;
1115 pkt.pts += 90 * sub->end_display_time;
1117 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1121 static int bit_buffer_size= 1024*256;
1122 static uint8_t *bit_buffer= NULL;
1124 static void do_video_out(AVFormatContext *s,
1125 AVOutputStream *ost,
1127 AVFrame *in_picture,
1130 int nb_frames, i, ret;
1131 #if !CONFIG_AVFILTER
1132 int64_t topBand, bottomBand, leftBand, rightBand;
1134 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1135 AVFrame picture_crop_temp, picture_pad_temp;
1136 AVCodecContext *enc, *dec;
1139 avcodec_get_frame_defaults(&picture_crop_temp);
1140 avcodec_get_frame_defaults(&picture_pad_temp);
1142 enc = ost->st->codec;
1143 dec = ist->st->codec;
1145 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1147 /* by default, we output a single frame */
1152 if(video_sync_method){
1153 double vdelta = sync_ipts - ost->sync_opts;
1154 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1157 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1160 }else if(vdelta>0.6)
1161 ost->sync_opts= lrintf(sync_ipts);
1162 }else if (vdelta > 1.1)
1163 nb_frames = lrintf(vdelta);
1164 //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);
1165 if (nb_frames == 0){
1168 fprintf(stderr, "*** drop!\n");
1169 }else if (nb_frames > 1) {
1170 nb_frames_dup += nb_frames - 1;
1172 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1175 ost->sync_opts= lrintf(sync_ipts);
1177 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1182 formatted_picture = in_picture;
1184 if (ost->video_crop) {
1185 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1186 fprintf(stderr, "error cropping picture\n");
1191 formatted_picture = &picture_crop_temp;
1193 formatted_picture = in_picture;
1197 final_picture = formatted_picture;
1198 padding_src = formatted_picture;
1199 resampling_dst = &ost->pict_tmp;
1201 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1202 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1203 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1205 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));
1206 if(!ost->video_resample)
1210 #if !CONFIG_AVFILTER
1211 if (ost->video_resample) {
1213 final_picture = &ost->pict_tmp;
1214 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1215 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1216 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1218 /* keep bands proportional to the frame size */
1219 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1220 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1221 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1222 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1224 /* sanity check to ensure no bad band sizes sneak in */
1225 assert(topBand <= INT_MAX && topBand >= 0);
1226 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1227 assert(leftBand <= INT_MAX && leftBand >= 0);
1228 assert(rightBand <= INT_MAX && rightBand >= 0);
1230 ost->topBand = topBand;
1231 ost->bottomBand = bottomBand;
1232 ost->leftBand = leftBand;
1233 ost->rightBand = rightBand;
1235 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1236 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1237 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1239 /* initialize a new scaler context */
1240 sws_freeContext(ost->img_resample_ctx);
1241 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1242 ost->img_resample_ctx = sws_getContext(
1243 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1244 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1245 ist->st->codec->pix_fmt,
1246 ost->st->codec->width,
1247 ost->st->codec->height,
1248 ost->st->codec->pix_fmt,
1249 sws_flags, NULL, NULL, NULL);
1250 if (ost->img_resample_ctx == NULL) {
1251 fprintf(stderr, "Cannot get resampling context\n");
1255 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1256 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1260 /* duplicates frame if needed */
1261 for(i=0;i<nb_frames;i++) {
1263 av_init_packet(&pkt);
1264 pkt.stream_index= ost->index;
1266 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1267 /* raw pictures are written as AVPicture structure to
1268 avoid any copies. We support temorarily the older
1270 AVFrame* old_frame = enc->coded_frame;
1271 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1272 pkt.data= (uint8_t *)final_picture;
1273 pkt.size= sizeof(AVPicture);
1274 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1275 pkt.flags |= AV_PKT_FLAG_KEY;
1277 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1278 enc->coded_frame = old_frame;
1280 AVFrame big_picture;
1282 big_picture= *final_picture;
1283 /* better than nothing: use input picture interlaced
1285 big_picture.interlaced_frame = in_picture->interlaced_frame;
1286 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1287 if(top_field_first == -1)
1288 big_picture.top_field_first = in_picture->top_field_first;
1290 big_picture.top_field_first = top_field_first;
1293 /* handles sameq here. This is not correct because it may
1294 not be a global option */
1296 big_picture.quality = ist->st->quality;
1298 big_picture.quality = ost->st->quality;
1300 big_picture.pict_type = 0;
1301 // big_picture.pts = AV_NOPTS_VALUE;
1302 big_picture.pts= ost->sync_opts;
1303 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1304 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1305 ret = avcodec_encode_video(enc,
1306 bit_buffer, bit_buffer_size,
1309 fprintf(stderr, "Video encoding failed\n");
1314 pkt.data= bit_buffer;
1316 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1317 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1318 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1319 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1320 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1322 if(enc->coded_frame->key_frame)
1323 pkt.flags |= AV_PKT_FLAG_KEY;
1324 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1327 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1328 // enc->frame_number-1, ret, enc->pict_type);
1329 /* if two pass, output log */
1330 if (ost->logfile && enc->stats_out) {
1331 fprintf(ost->logfile, "%s", enc->stats_out);
1336 ost->frame_number++;
1340 static double psnr(double d){
1341 return -10.0*log(d)/log(10.0);
1344 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1347 AVCodecContext *enc;
1349 double ti1, bitrate, avg_bitrate;
1351 /* this is executed just the first time do_video_stats is called */
1353 vstats_file = fopen(vstats_filename, "w");
1360 enc = ost->st->codec;
1361 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1362 frame_number = ost->frame_number;
1363 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1364 if (enc->flags&CODEC_FLAG_PSNR)
1365 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1367 fprintf(vstats_file,"f_size= %6d ", frame_size);
1368 /* compute pts value */
1369 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1373 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1374 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1375 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1376 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1377 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1381 static void print_report(AVFormatContext **output_files,
1382 AVOutputStream **ost_table, int nb_ostreams,
1386 AVOutputStream *ost;
1387 AVFormatContext *oc;
1389 AVCodecContext *enc;
1390 int frame_number, vid, i;
1391 double bitrate, ti1, pts;
1392 static int64_t last_time = -1;
1393 static int qp_histogram[52];
1395 if (!is_last_report) {
1397 /* display the report every 0.5 seconds */
1398 cur_time = av_gettime();
1399 if (last_time == -1) {
1400 last_time = cur_time;
1403 if ((cur_time - last_time) < 500000)
1405 last_time = cur_time;
1409 oc = output_files[0];
1411 total_size = url_fsize(oc->pb);
1412 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1413 total_size= url_ftell(oc->pb);
1418 for(i=0;i<nb_ostreams;i++) {
1420 enc = ost->st->codec;
1421 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1422 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1423 !ost->st->stream_copy ?
1424 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1426 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1427 float t = (av_gettime()-timer_start) / 1000000.0;
1429 frame_number = ost->frame_number;
1430 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1431 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1432 !ost->st->stream_copy ?
1433 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1435 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1438 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1439 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1442 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1444 if (enc->flags&CODEC_FLAG_PSNR){
1446 double error, error_sum=0;
1447 double scale, scale_sum=0;
1448 char type[3]= {'Y','U','V'};
1449 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1452 error= enc->error[j];
1453 scale= enc->width*enc->height*255.0*255.0*frame_number;
1455 error= enc->coded_frame->error[j];
1456 scale= enc->width*enc->height*255.0*255.0;
1461 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1463 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1467 /* compute min output value */
1468 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1469 if ((pts < ti1) && (pts > 0))
1475 if (verbose || is_last_report) {
1476 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1478 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1479 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1480 (double)total_size / 1024, ti1, bitrate);
1482 if (nb_frames_dup || nb_frames_drop)
1483 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1484 nb_frames_dup, nb_frames_drop);
1487 fprintf(stderr, "%s \r", buf);
1492 if (is_last_report && verbose >= 0){
1493 int64_t raw= audio_size + video_size + extra_size;
1494 fprintf(stderr, "\n");
1495 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1499 100.0*(total_size - raw)/raw
1504 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1505 static int output_packet(AVInputStream *ist, int ist_index,
1506 AVOutputStream **ost_table, int nb_ostreams,
1507 const AVPacket *pkt)
1509 AVFormatContext *os;
1510 AVOutputStream *ost;
1514 void *buffer_to_free;
1515 static unsigned int samples_size= 0;
1516 AVSubtitle subtitle, *subtitle_to_free;
1518 int frame_available;
1522 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1524 if(ist->next_pts == AV_NOPTS_VALUE)
1525 ist->next_pts= ist->pts;
1529 av_init_packet(&avpkt);
1537 if(pkt->dts != AV_NOPTS_VALUE)
1538 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1540 //while we have more to decode or while the decoder did output something on EOF
1541 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1542 uint8_t *data_buf, *decoded_data_buf;
1543 int data_size, decoded_data_size;
1545 ist->pts= ist->next_pts;
1547 if(avpkt.size && avpkt.size != pkt->size &&
1548 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1549 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1550 ist->showed_multi_packet_warning=1;
1553 /* decode the packet if needed */
1554 decoded_data_buf = NULL; /* fail safe */
1555 decoded_data_size= 0;
1556 data_buf = avpkt.data;
1557 data_size = avpkt.size;
1558 subtitle_to_free = NULL;
1559 if (ist->decoding_needed) {
1560 switch(ist->st->codec->codec_type) {
1561 case AVMEDIA_TYPE_AUDIO:{
1562 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1563 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1565 samples= av_malloc(samples_size);
1567 decoded_data_size= samples_size;
1568 /* XXX: could avoid copy if PCM 16 bits with same
1569 endianness as CPU */
1570 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1577 /* Some bug in mpeg audio decoder gives */
1578 /* decoded_data_size < 0, it seems they are overflows */
1579 if (decoded_data_size <= 0) {
1580 /* no audio frame */
1583 decoded_data_buf = (uint8_t *)samples;
1584 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1585 (ist->st->codec->sample_rate * ist->st->codec->channels);
1587 case AVMEDIA_TYPE_VIDEO:
1588 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1589 /* XXX: allocate picture correctly */
1590 avcodec_get_frame_defaults(&picture);
1592 ret = avcodec_decode_video2(ist->st->codec,
1593 &picture, &got_picture, &avpkt);
1594 ist->st->quality= picture.quality;
1598 /* no picture yet */
1599 goto discard_packet;
1601 if (ist->st->codec->time_base.num != 0) {
1602 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1603 ist->next_pts += ((int64_t)AV_TIME_BASE *
1604 ist->st->codec->time_base.num * ticks) /
1605 ist->st->codec->time_base.den;
1609 case AVMEDIA_TYPE_SUBTITLE:
1610 ret = avcodec_decode_subtitle2(ist->st->codec,
1611 &subtitle, &got_picture, &avpkt);
1615 goto discard_packet;
1617 subtitle_to_free = &subtitle;
1624 switch(ist->st->codec->codec_type) {
1625 case AVMEDIA_TYPE_AUDIO:
1626 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1627 ist->st->codec->sample_rate;
1629 case AVMEDIA_TYPE_VIDEO:
1630 if (ist->st->codec->time_base.num != 0) {
1631 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1632 ist->next_pts += ((int64_t)AV_TIME_BASE *
1633 ist->st->codec->time_base.num * ticks) /
1634 ist->st->codec->time_base.den;
1642 buffer_to_free = NULL;
1643 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1644 pre_process_video_frame(ist, (AVPicture *)&picture,
1649 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1650 // add it to be filtered
1651 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1653 ist->st->codec->sample_aspect_ratio);
1657 // preprocess audio (volume)
1658 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1659 if (audio_volume != 256) {
1662 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1663 int v = ((*volp) * audio_volume + 128) >> 8;
1664 if (v < -32768) v = -32768;
1665 if (v > 32767) v = 32767;
1671 /* frame rate emulation */
1673 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1674 int64_t now = av_gettime() - ist->start;
1679 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1680 !ist->out_video_filter || avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1682 /* if output time reached then transcode raw format,
1683 encode packets and output them */
1684 if (start_time == 0 || ist->pts >= start_time)
1686 while (frame_available) {
1687 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->out_video_filter)
1688 get_filtered_video_pic(ist->out_video_filter, &ist->picref, &picture, &ist->pts);
1690 for(i=0;i<nb_ostreams;i++) {
1694 if (ost->source_index == ist_index) {
1695 os = output_files[ost->file_index];
1697 /* set the input output pts pairs */
1698 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1700 if (ost->encoding_needed) {
1701 assert(ist->decoding_needed);
1702 switch(ost->st->codec->codec_type) {
1703 case AVMEDIA_TYPE_AUDIO:
1704 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1706 case AVMEDIA_TYPE_VIDEO:
1708 ost->st->codec->sample_aspect_ratio = ist->picref->pixel_aspect;
1710 do_video_out(os, ost, ist, &picture, &frame_size);
1711 if (vstats_filename && frame_size)
1712 do_video_stats(os, ost, frame_size);
1714 case AVMEDIA_TYPE_SUBTITLE:
1715 do_subtitle_out(os, ost, ist, &subtitle,
1722 AVFrame avframe; //FIXME/XXX remove this
1724 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1726 av_init_packet(&opkt);
1728 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1731 /* no reencoding needed : output the packet directly */
1732 /* force the input stream PTS */
1734 avcodec_get_frame_defaults(&avframe);
1735 ost->st->codec->coded_frame= &avframe;
1736 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1738 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1739 audio_size += data_size;
1740 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1741 video_size += data_size;
1745 opkt.stream_index= ost->index;
1746 if(pkt->pts != AV_NOPTS_VALUE)
1747 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1749 opkt.pts= AV_NOPTS_VALUE;
1751 if (pkt->dts == AV_NOPTS_VALUE)
1752 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1754 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1755 opkt.dts -= ost_tb_start_time;
1757 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1758 opkt.flags= pkt->flags;
1760 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1761 if( ost->st->codec->codec_id != CODEC_ID_H264
1762 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1763 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1765 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1766 opkt.destruct= av_destruct_packet;
1768 opkt.data = data_buf;
1769 opkt.size = data_size;
1772 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1773 ost->st->codec->frame_number++;
1774 ost->frame_number++;
1775 av_free_packet(&opkt);
1779 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1780 ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1786 avfilter_unref_pic(ist->picref);
1789 av_free(buffer_to_free);
1790 /* XXX: allocate the subtitles in the codec ? */
1791 if (subtitle_to_free) {
1792 if (subtitle_to_free->rects != NULL) {
1793 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1794 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1795 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1796 av_freep(&subtitle_to_free->rects[i]);
1798 av_freep(&subtitle_to_free->rects);
1800 subtitle_to_free->num_rects = 0;
1801 subtitle_to_free = NULL;
1808 for(i=0;i<nb_ostreams;i++) {
1810 if (ost->source_index == ist_index) {
1811 AVCodecContext *enc= ost->st->codec;
1812 os = output_files[ost->file_index];
1814 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1816 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1819 if (ost->encoding_needed) {
1823 av_init_packet(&pkt);
1824 pkt.stream_index= ost->index;
1826 switch(ost->st->codec->codec_type) {
1827 case AVMEDIA_TYPE_AUDIO:
1828 fifo_bytes = av_fifo_size(ost->fifo);
1830 /* encode any samples remaining in fifo */
1831 if (fifo_bytes > 0) {
1832 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1833 int fs_tmp = enc->frame_size;
1835 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1836 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1837 enc->frame_size = fifo_bytes / (osize * enc->channels);
1839 int frame_bytes = enc->frame_size*osize*enc->channels;
1840 if (allocated_audio_buf_size < frame_bytes)
1842 memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1845 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1846 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1847 ost->st->time_base.num, enc->sample_rate);
1848 enc->frame_size = fs_tmp;
1851 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1854 fprintf(stderr, "Audio encoding failed\n");
1858 pkt.flags |= AV_PKT_FLAG_KEY;
1860 case AVMEDIA_TYPE_VIDEO:
1861 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1863 fprintf(stderr, "Video encoding failed\n");
1867 if(enc->coded_frame && enc->coded_frame->key_frame)
1868 pkt.flags |= AV_PKT_FLAG_KEY;
1869 if (ost->logfile && enc->stats_out) {
1870 fprintf(ost->logfile, "%s", enc->stats_out);
1879 pkt.data= bit_buffer;
1881 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1882 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1883 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1895 static void print_sdp(AVFormatContext **avc, int n)
1899 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1900 printf("SDP:\n%s\n", sdp);
1904 static int copy_chapters(int infile, int outfile)
1906 AVFormatContext *is = input_files[infile];
1907 AVFormatContext *os = output_files[outfile];
1910 for (i = 0; i < is->nb_chapters; i++) {
1911 AVChapter *in_ch = is->chapters[i], *out_ch;
1912 AVMetadataTag *t = NULL;
1913 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1914 AV_TIME_BASE_Q, in_ch->time_base);
1915 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1916 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1919 if (in_ch->end < ts_off)
1921 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1924 out_ch = av_mallocz(sizeof(AVChapter));
1926 return AVERROR(ENOMEM);
1928 out_ch->id = in_ch->id;
1929 out_ch->time_base = in_ch->time_base;
1930 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1931 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1933 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1934 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1937 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1939 return AVERROR(ENOMEM);
1940 os->chapters[os->nb_chapters - 1] = out_ch;
1946 * The following code is the main loop of the file converter
1948 static int av_transcode(AVFormatContext **output_files,
1949 int nb_output_files,
1950 AVFormatContext **input_files,
1952 AVStreamMap *stream_maps, int nb_stream_maps)
1954 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1955 AVFormatContext *is, *os;
1956 AVCodecContext *codec, *icodec;
1957 AVOutputStream *ost, **ost_table = NULL;
1958 AVInputStream *ist, **ist_table = NULL;
1959 AVInputFile *file_table;
1963 uint8_t no_packet[MAX_FILES]={0};
1964 int no_packet_count=0;
1966 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1970 /* input stream init */
1972 for(i=0;i<nb_input_files;i++) {
1973 is = input_files[i];
1974 file_table[i].ist_index = j;
1975 file_table[i].nb_streams = is->nb_streams;
1976 j += is->nb_streams;
1980 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1984 for(i=0;i<nb_istreams;i++) {
1985 ist = av_mallocz(sizeof(AVInputStream));
1991 for(i=0;i<nb_input_files;i++) {
1992 is = input_files[i];
1993 for(k=0;k<is->nb_streams;k++) {
1994 ist = ist_table[j++];
1995 ist->st = is->streams[k];
1996 ist->file_index = i;
1998 ist->discard = 1; /* the stream is discarded by default
2002 ist->start = av_gettime();
2007 /* output stream init */
2009 for(i=0;i<nb_output_files;i++) {
2010 os = output_files[i];
2011 if (!os->nb_streams) {
2012 dump_format(output_files[i], i, output_files[i]->filename, 1);
2013 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2016 nb_ostreams += os->nb_streams;
2018 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2019 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2023 /* Sanity check the mapping args -- do the input files & streams exist? */
2024 for(i=0;i<nb_stream_maps;i++) {
2025 int fi = stream_maps[i].file_index;
2026 int si = stream_maps[i].stream_index;
2028 if (fi < 0 || fi > nb_input_files - 1 ||
2029 si < 0 || si > file_table[fi].nb_streams - 1) {
2030 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2033 fi = stream_maps[i].sync_file_index;
2034 si = stream_maps[i].sync_stream_index;
2035 if (fi < 0 || fi > nb_input_files - 1 ||
2036 si < 0 || si > file_table[fi].nb_streams - 1) {
2037 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2042 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2045 for(i=0;i<nb_ostreams;i++) {
2046 ost = av_mallocz(sizeof(AVOutputStream));
2053 for(k=0;k<nb_output_files;k++) {
2054 os = output_files[k];
2055 for(i=0;i<os->nb_streams;i++,n++) {
2058 ost->file_index = k;
2060 ost->st = os->streams[i];
2061 if (nb_stream_maps > 0) {
2062 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2063 stream_maps[n].stream_index;
2065 /* Sanity check that the stream types match */
2066 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2067 int i= ost->file_index;
2068 dump_format(output_files[i], i, output_files[i]->filename, 1);
2069 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2070 stream_maps[n].file_index, stream_maps[n].stream_index,
2071 ost->file_index, ost->index);
2076 int best_nb_frames=-1;
2077 /* get corresponding input stream index : we select the first one with the right type */
2079 for(j=0;j<nb_istreams;j++) {
2084 AVFormatContext *f= input_files[ ist->file_index ];
2086 for(pi=0; pi<f->nb_programs; pi++){
2087 AVProgram *p= f->programs[pi];
2088 if(p->id == opt_programid)
2089 for(si=0; si<p->nb_stream_indexes; si++){
2090 if(f->streams[ p->stream_index[si] ] == ist->st)
2095 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2096 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2097 if(best_nb_frames < ist->st->codec_info_nb_frames){
2098 best_nb_frames= ist->st->codec_info_nb_frames;
2099 ost->source_index = j;
2106 if(! opt_programid) {
2107 /* try again and reuse existing stream */
2108 for(j=0;j<nb_istreams;j++) {
2110 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2111 && ist->st->discard != AVDISCARD_ALL) {
2112 ost->source_index = j;
2118 int i= ost->file_index;
2119 dump_format(output_files[i], i, output_files[i]->filename, 1);
2120 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2121 ost->file_index, ost->index);
2126 ist = ist_table[ost->source_index];
2128 ost->sync_ist = (nb_stream_maps > 0) ?
2129 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2130 stream_maps[n].sync_stream_index] : ist;
2134 /* for each output stream, we compute the right encoding parameters */
2135 for(i=0;i<nb_ostreams;i++) {
2136 AVMetadataTag *t = NULL;
2138 os = output_files[ost->file_index];
2139 ist = ist_table[ost->source_index];
2141 codec = ost->st->codec;
2142 icodec = ist->st->codec;
2144 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2145 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2148 ost->st->disposition = ist->st->disposition;
2149 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2150 codec->chroma_sample_location = icodec->chroma_sample_location;
2152 if (ost->st->stream_copy) {
2153 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2155 if (extra_size > INT_MAX)
2158 /* if stream_copy is selected, no need to decode or encode */
2159 codec->codec_id = icodec->codec_id;
2160 codec->codec_type = icodec->codec_type;
2162 if(!codec->codec_tag){
2163 if( !os->oformat->codec_tag
2164 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2165 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2166 codec->codec_tag = icodec->codec_tag;
2169 codec->bit_rate = icodec->bit_rate;
2170 codec->extradata= av_mallocz(extra_size);
2171 if (!codec->extradata)
2173 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2174 codec->extradata_size= icodec->extradata_size;
2175 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){
2176 codec->time_base = icodec->time_base;
2177 codec->time_base.num *= icodec->ticks_per_frame;
2179 codec->time_base = ist->st->time_base;
2180 switch(codec->codec_type) {
2181 case AVMEDIA_TYPE_AUDIO:
2182 if(audio_volume != 256) {
2183 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2186 codec->channel_layout = icodec->channel_layout;
2187 codec->sample_rate = icodec->sample_rate;
2188 codec->channels = icodec->channels;
2189 codec->frame_size = icodec->frame_size;
2190 codec->block_align= icodec->block_align;
2191 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2192 codec->block_align= 0;
2193 if(codec->codec_id == CODEC_ID_AC3)
2194 codec->block_align= 0;
2196 case AVMEDIA_TYPE_VIDEO:
2197 codec->pix_fmt = icodec->pix_fmt;
2198 codec->width = icodec->width;
2199 codec->height = icodec->height;
2200 codec->has_b_frames = icodec->has_b_frames;
2202 case AVMEDIA_TYPE_SUBTITLE:
2203 codec->width = icodec->width;
2204 codec->height = icodec->height;
2210 switch(codec->codec_type) {
2211 case AVMEDIA_TYPE_AUDIO:
2212 ost->fifo= av_fifo_alloc(1024);
2215 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2216 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2217 icodec->request_channels = codec->channels;
2218 ist->decoding_needed = 1;
2219 ost->encoding_needed = 1;
2221 case AVMEDIA_TYPE_VIDEO:
2222 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2223 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2226 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2227 ost->video_resample = ((codec->width != icodec->width -
2228 (frame_leftBand + frame_rightBand)) ||
2229 (codec->height != icodec->height -
2230 (frame_topBand + frame_bottomBand)) ||
2231 (codec->pix_fmt != icodec->pix_fmt));
2232 if (ost->video_crop) {
2233 ost->topBand = ost->original_topBand = frame_topBand;
2234 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2235 ost->leftBand = ost->original_leftBand = frame_leftBand;
2236 ost->rightBand = ost->original_rightBand = frame_rightBand;
2238 if (ost->video_resample) {
2239 avcodec_get_frame_defaults(&ost->pict_tmp);
2240 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2241 codec->width, codec->height)) {
2242 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2245 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2246 ost->img_resample_ctx = sws_getContext(
2247 icodec->width - (frame_leftBand + frame_rightBand),
2248 icodec->height - (frame_topBand + frame_bottomBand),
2253 sws_flags, NULL, NULL, NULL);
2254 if (ost->img_resample_ctx == NULL) {
2255 fprintf(stderr, "Cannot get resampling context\n");
2259 #if !CONFIG_AVFILTER
2260 ost->original_height = icodec->height;
2261 ost->original_width = icodec->width;
2263 codec->bits_per_raw_sample= 0;
2265 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2266 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2267 ost->resample_pix_fmt= icodec->pix_fmt;
2268 ost->encoding_needed = 1;
2269 ist->decoding_needed = 1;
2272 if (configure_filters(ist, ost)) {
2273 fprintf(stderr, "Error opening filters!\n");
2278 case AVMEDIA_TYPE_SUBTITLE:
2279 ost->encoding_needed = 1;
2280 ist->decoding_needed = 1;
2287 if (ost->encoding_needed &&
2288 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2289 char logfilename[1024];
2292 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2293 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2295 if (codec->flags & CODEC_FLAG_PASS1) {
2296 f = fopen(logfilename, "wb");
2298 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2304 size_t logbuffer_size;
2305 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2306 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2309 codec->stats_in = logbuffer;
2313 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2314 int size= codec->width * codec->height;
2315 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2320 bit_buffer = av_malloc(bit_buffer_size);
2322 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2324 ret = AVERROR(ENOMEM);
2328 /* open each encoder */
2329 for(i=0;i<nb_ostreams;i++) {
2331 if (ost->encoding_needed) {
2332 AVCodec *codec = output_codecs[i];
2334 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2336 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2337 ost->st->codec->codec_id, ost->file_index, ost->index);
2338 ret = AVERROR(EINVAL);
2341 if (avcodec_open(ost->st->codec, codec) < 0) {
2342 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2343 ost->file_index, ost->index);
2344 ret = AVERROR(EINVAL);
2347 extra_size += ost->st->codec->extradata_size;
2351 /* open each decoder */
2352 for(i=0;i<nb_istreams;i++) {
2354 if (ist->decoding_needed) {
2355 AVCodec *codec = input_codecs[i];
2357 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2359 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2360 ist->st->codec->codec_id, ist->file_index, ist->index);
2361 ret = AVERROR(EINVAL);
2364 if (avcodec_open(ist->st->codec, codec) < 0) {
2365 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2366 ist->file_index, ist->index);
2367 ret = AVERROR(EINVAL);
2370 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2371 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2376 for(i=0;i<nb_istreams;i++) {
2380 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2381 ist->next_pts = AV_NOPTS_VALUE;
2385 /* set meta data information from input file if required */
2386 for (i=0;i<nb_meta_data_maps;i++) {
2387 AVFormatContext *out_file;
2388 AVFormatContext *in_file;
2389 AVMetadataTag *mtag;
2391 int out_file_index = meta_data_maps[i].out_file;
2392 int in_file_index = meta_data_maps[i].in_file;
2393 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2394 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2395 out_file_index, out_file_index, in_file_index);
2396 ret = AVERROR(EINVAL);
2399 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2400 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2401 in_file_index, out_file_index, in_file_index);
2402 ret = AVERROR(EINVAL);
2406 out_file = output_files[out_file_index];
2407 in_file = input_files[in_file_index];
2411 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2412 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2413 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2414 in_file->iformat->metadata_conv);
2417 /* copy chapters from the first input file that has them*/
2418 for (i = 0; i < nb_input_files; i++) {
2419 if (!input_files[i]->nb_chapters)
2422 for (j = 0; j < nb_output_files; j++)
2423 if ((ret = copy_chapters(i, j)) < 0)
2427 /* open files and write file headers */
2428 for(i=0;i<nb_output_files;i++) {
2429 os = output_files[i];
2430 if (av_write_header(os) < 0) {
2431 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2432 ret = AVERROR(EINVAL);
2435 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2441 /* dump the file output parameters - cannot be done before in case
2443 for(i=0;i<nb_output_files;i++) {
2444 dump_format(output_files[i], i, output_files[i]->filename, 1);
2447 /* dump the stream mapping */
2449 fprintf(stderr, "Stream mapping:\n");
2450 for(i=0;i<nb_ostreams;i++) {
2452 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2453 ist_table[ost->source_index]->file_index,
2454 ist_table[ost->source_index]->index,
2457 if (ost->sync_ist != ist_table[ost->source_index])
2458 fprintf(stderr, " [sync #%d.%d]",
2459 ost->sync_ist->file_index,
2460 ost->sync_ist->index);
2461 fprintf(stderr, "\n");
2466 fprintf(stderr, "%s\n", error);
2471 print_sdp(output_files, nb_output_files);
2474 if (!using_stdin && verbose >= 0) {
2475 fprintf(stderr, "Press [q] to stop encoding\n");
2476 url_set_interrupt_cb(decode_interrupt_cb);
2480 timer_start = av_gettime();
2482 for(; received_sigterm == 0;) {
2483 int file_index, ist_index;
2491 /* if 'q' pressed, exits */
2495 /* read_key() returns 0 on EOF */
2501 /* select the stream that we must read now by looking at the
2502 smallest output pts */
2504 for(i=0;i<nb_ostreams;i++) {
2507 os = output_files[ost->file_index];
2508 ist = ist_table[ost->source_index];
2509 if(ist->is_past_recording_time || no_packet[ist->file_index])
2511 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2512 ipts = (double)ist->pts;
2513 if (!file_table[ist->file_index].eof_reached){
2514 if(ipts < ipts_min) {
2516 if(input_sync ) file_index = ist->file_index;
2518 if(opts < opts_min) {
2520 if(!input_sync) file_index = ist->file_index;
2523 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2528 /* if none, if is finished */
2529 if (file_index < 0) {
2530 if(no_packet_count){
2532 memset(no_packet, 0, sizeof(no_packet));
2539 /* finish if limit size exhausted */
2540 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2543 /* read a frame from it and output it in the fifo */
2544 is = input_files[file_index];
2545 ret= av_read_frame(is, &pkt);
2546 if(ret == AVERROR(EAGAIN)){
2547 no_packet[file_index]=1;
2552 file_table[file_index].eof_reached = 1;
2560 memset(no_packet, 0, sizeof(no_packet));
2563 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2565 /* the following test is needed in case new streams appear
2566 dynamically in stream : we ignore them */
2567 if (pkt.stream_index >= file_table[file_index].nb_streams)
2568 goto discard_packet;
2569 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2570 ist = ist_table[ist_index];
2572 goto discard_packet;
2574 if (pkt.dts != AV_NOPTS_VALUE)
2575 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2576 if (pkt.pts != AV_NOPTS_VALUE)
2577 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2579 if(input_files_ts_scale[file_index][pkt.stream_index]){
2580 if(pkt.pts != AV_NOPTS_VALUE)
2581 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2582 if(pkt.dts != AV_NOPTS_VALUE)
2583 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2586 // 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);
2587 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2588 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2589 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2590 int64_t delta= pkt_dts - ist->next_pts;
2591 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2592 input_files_ts_offset[ist->file_index]-= delta;
2594 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2595 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2596 if(pkt.pts != AV_NOPTS_VALUE)
2597 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2601 /* finish if recording time exhausted */
2602 if (recording_time != INT64_MAX &&
2603 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2604 ist->is_past_recording_time = 1;
2605 goto discard_packet;
2608 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2609 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2612 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2613 ist->file_index, ist->index);
2616 av_free_packet(&pkt);
2621 av_free_packet(&pkt);
2623 /* dump report by using the output first video and audio streams */
2624 print_report(output_files, ost_table, nb_ostreams, 0);
2627 /* at the end of stream, we must flush the decoder buffers */
2628 for(i=0;i<nb_istreams;i++) {
2630 if (ist->decoding_needed) {
2631 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2637 /* write the trailer if needed and close file */
2638 for(i=0;i<nb_output_files;i++) {
2639 os = output_files[i];
2640 av_write_trailer(os);
2643 /* dump report by using the first video and audio streams */
2644 print_report(output_files, ost_table, nb_ostreams, 1);
2646 /* close each encoder */
2647 for(i=0;i<nb_ostreams;i++) {
2649 if (ost->encoding_needed) {
2650 av_freep(&ost->st->codec->stats_in);
2651 avcodec_close(ost->st->codec);
2655 /* close each decoder */
2656 for(i=0;i<nb_istreams;i++) {
2658 if (ist->decoding_needed) {
2659 avcodec_close(ist->st->codec);
2664 avfilter_graph_destroy(graph);
2673 av_freep(&bit_buffer);
2674 av_free(file_table);
2677 for(i=0;i<nb_istreams;i++) {
2684 for(i=0;i<nb_ostreams;i++) {
2687 if (ost->st->stream_copy)
2688 av_freep(&ost->st->codec->extradata);
2690 fclose(ost->logfile);
2691 ost->logfile = NULL;
2693 av_fifo_free(ost->fifo); /* works even if fifo is not
2694 initialized but set to zero */
2695 av_free(ost->pict_tmp.data[0]);
2696 if (ost->video_resample)
2697 sws_freeContext(ost->img_resample_ctx);
2699 audio_resample_close(ost->resample);
2700 if (ost->reformat_ctx)
2701 av_audio_convert_free(ost->reformat_ctx);
2710 static void opt_format(const char *arg)
2712 /* compatibility stuff for pgmyuv */
2713 if (!strcmp(arg, "pgmyuv")) {
2714 pgmyuv_compatibility_hack=1;
2715 // opt_image_format(arg);
2717 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2720 last_asked_format = arg;
2723 static void opt_video_rc_override_string(const char *arg)
2725 video_rc_override_string = arg;
2728 static int opt_me_threshold(const char *opt, const char *arg)
2730 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2734 static int opt_verbose(const char *opt, const char *arg)
2736 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2740 static int opt_frame_rate(const char *opt, const char *arg)
2742 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2743 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2749 static int opt_bitrate(const char *opt, const char *arg)
2751 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2753 opt_default(opt, arg);
2755 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2756 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2761 static void opt_frame_crop_top(const char *arg)
2763 frame_topBand = atoi(arg);
2764 if (frame_topBand < 0) {
2765 fprintf(stderr, "Incorrect top crop size\n");
2768 if ((frame_topBand) >= frame_height){
2769 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2772 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2773 frame_height -= frame_topBand;
2776 static void opt_frame_crop_bottom(const char *arg)
2778 frame_bottomBand = atoi(arg);
2779 if (frame_bottomBand < 0) {
2780 fprintf(stderr, "Incorrect bottom crop size\n");
2783 if ((frame_bottomBand) >= frame_height){
2784 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2787 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2788 frame_height -= frame_bottomBand;
2791 static void opt_frame_crop_left(const char *arg)
2793 frame_leftBand = atoi(arg);
2794 if (frame_leftBand < 0) {
2795 fprintf(stderr, "Incorrect left crop size\n");
2798 if ((frame_leftBand) >= frame_width){
2799 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2802 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2803 frame_width -= frame_leftBand;
2806 static void opt_frame_crop_right(const char *arg)
2808 frame_rightBand = atoi(arg);
2809 if (frame_rightBand < 0) {
2810 fprintf(stderr, "Incorrect right crop size\n");
2813 if ((frame_rightBand) >= frame_width){
2814 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2817 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2818 frame_width -= frame_rightBand;
2821 static void opt_frame_size(const char *arg)
2823 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2824 fprintf(stderr, "Incorrect frame size\n");
2829 static void opt_pad(const char *arg) {
2830 fprintf(stderr, "Please use vf=pad\n");
2834 static void opt_frame_pix_fmt(const char *arg)
2836 if (strcmp(arg, "list")) {
2837 frame_pix_fmt = av_get_pix_fmt(arg);
2838 if (frame_pix_fmt == PIX_FMT_NONE) {
2839 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2848 static void opt_frame_aspect_ratio(const char *arg)
2855 p = strchr(arg, ':');
2857 x = strtol(arg, &end, 10);
2859 y = strtol(end+1, &end, 10);
2861 ar = (double)x / (double)y;
2863 ar = strtod(arg, NULL);
2866 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2869 frame_aspect_ratio = ar;
2872 static int opt_metadata(const char *opt, const char *arg)
2874 char *mid= strchr(arg, '=');
2877 fprintf(stderr, "Missing =\n");
2883 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2884 metadata[metadata_count-1].key = av_strdup(arg);
2885 metadata[metadata_count-1].value= av_strdup(mid);
2890 static void opt_qscale(const char *arg)
2892 video_qscale = atof(arg);
2893 if (video_qscale <= 0 ||
2894 video_qscale > 255) {
2895 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2900 static void opt_top_field_first(const char *arg)
2902 top_field_first= atoi(arg);
2905 static int opt_thread_count(const char *opt, const char *arg)
2907 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2910 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2915 static void opt_audio_sample_fmt(const char *arg)
2917 if (strcmp(arg, "list"))
2918 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2920 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2925 static int opt_audio_rate(const char *opt, const char *arg)
2927 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2931 static int opt_audio_channels(const char *opt, const char *arg)
2933 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2937 static void opt_video_channel(const char *arg)
2939 video_channel = strtol(arg, NULL, 0);
2942 static void opt_video_standard(const char *arg)
2944 video_standard = av_strdup(arg);
2947 static void opt_codec(int *pstream_copy, char **pcodec_name,
2948 int codec_type, const char *arg)
2950 av_freep(pcodec_name);
2951 if (!strcmp(arg, "copy")) {
2954 *pcodec_name = av_strdup(arg);
2958 static void opt_audio_codec(const char *arg)
2960 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2963 static void opt_audio_tag(const char *arg)
2966 audio_codec_tag= strtol(arg, &tail, 0);
2969 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2972 static void opt_video_tag(const char *arg)
2975 video_codec_tag= strtol(arg, &tail, 0);
2978 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2981 static void opt_video_codec(const char *arg)
2983 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2986 static void opt_subtitle_codec(const char *arg)
2988 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2991 static void opt_subtitle_tag(const char *arg)
2994 subtitle_codec_tag= strtol(arg, &tail, 0);
2997 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3000 static void opt_map(const char *arg)
3005 m = &stream_maps[nb_stream_maps++];
3007 m->file_index = strtol(arg, &p, 0);
3011 m->stream_index = strtol(p, &p, 0);
3014 m->sync_file_index = strtol(p, &p, 0);
3017 m->sync_stream_index = strtol(p, &p, 0);
3019 m->sync_file_index = m->file_index;
3020 m->sync_stream_index = m->stream_index;
3024 static void opt_map_meta_data(const char *arg)
3029 m = &meta_data_maps[nb_meta_data_maps++];
3031 m->out_file = strtol(arg, &p, 0);
3035 m->in_file = strtol(p, &p, 0);
3038 static void opt_input_ts_scale(const char *arg)
3040 unsigned int stream;
3044 stream = strtol(arg, &p, 0);
3047 scale= strtod(p, &p);
3049 if(stream >= MAX_STREAMS)
3052 input_files_ts_scale[nb_input_files][stream]= scale;
3055 static int opt_recording_time(const char *opt, const char *arg)
3057 recording_time = parse_time_or_die(opt, arg, 1);
3061 static int opt_start_time(const char *opt, const char *arg)
3063 start_time = parse_time_or_die(opt, arg, 1);
3067 static int opt_rec_timestamp(const char *opt, const char *arg)
3069 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3073 static int opt_input_ts_offset(const char *opt, const char *arg)
3075 input_ts_offset = parse_time_or_die(opt, arg, 1);
3079 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3081 const char *codec_string = encoder ? "encoder" : "decoder";
3085 return CODEC_ID_NONE;
3087 avcodec_find_encoder_by_name(name) :
3088 avcodec_find_decoder_by_name(name);
3090 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3093 if(codec->type != type) {
3094 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3097 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3098 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3099 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3100 "results.\nAdd '-strict experimental' if you want to use it.\n",
3101 codec_string, codec->name);
3103 avcodec_find_encoder(codec->id) :
3104 avcodec_find_decoder(codec->id);
3105 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3106 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3107 codec_string, codec->name);
3113 static void opt_input_file(const char *filename)
3115 AVFormatContext *ic;
3116 AVFormatParameters params, *ap = ¶ms;
3117 AVInputFormat *file_iformat = NULL;
3118 int err, i, ret, rfps, rfps_base;
3121 if (last_asked_format) {
3122 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3123 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3126 last_asked_format = NULL;
3129 if (!strcmp(filename, "-"))
3132 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3133 !strcmp(filename, "/dev/stdin");
3135 /* get default parameters from command line */
3136 ic = avformat_alloc_context();
3138 print_error(filename, AVERROR(ENOMEM));
3142 memset(ap, 0, sizeof(*ap));
3143 ap->prealloced_context = 1;
3144 ap->sample_rate = audio_sample_rate;
3145 ap->channels = audio_channels;
3146 ap->time_base.den = frame_rate.num;
3147 ap->time_base.num = frame_rate.den;
3148 ap->width = frame_width;
3149 ap->height = frame_height;
3150 ap->pix_fmt = frame_pix_fmt;
3151 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3152 ap->channel = video_channel;
3153 ap->standard = video_standard;
3155 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
3157 ic->video_codec_id =
3158 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3159 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3160 ic->audio_codec_id =
3161 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3162 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3163 ic->subtitle_codec_id=
3164 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3165 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3166 ic->flags |= AVFMT_FLAG_NONBLOCK;
3168 if(pgmyuv_compatibility_hack)
3169 ic->video_codec_id= CODEC_ID_PGMYUV;
3171 /* open the input file with generic libav function */
3172 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3174 print_error(filename, err);
3180 for(i=0; i<ic->nb_streams; i++){
3181 ic->streams[i]->discard= AVDISCARD_ALL;
3183 for(i=0; i<ic->nb_programs; i++){
3184 AVProgram *p= ic->programs[i];
3185 if(p->id != opt_programid){
3186 p->discard = AVDISCARD_ALL;
3189 for(j=0; j<p->nb_stream_indexes; j++){
3190 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3195 fprintf(stderr, "Specified program id not found\n");
3201 ic->loop_input = loop_input;
3203 /* If not enough info to get the stream parameters, we decode the
3204 first frames to get it. (used in mpeg case for example) */
3205 ret = av_find_stream_info(ic);
3206 if (ret < 0 && verbose >= 0) {
3207 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3211 timestamp = start_time;
3212 /* add the stream start time */
3213 if (ic->start_time != AV_NOPTS_VALUE)
3214 timestamp += ic->start_time;
3216 /* if seeking requested, we execute it */
3217 if (start_time != 0) {
3218 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3220 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3221 filename, (double)timestamp / AV_TIME_BASE);
3223 /* reset seek info */
3227 /* update the current parameters so that they match the one of the input stream */
3228 for(i=0;i<ic->nb_streams;i++) {
3229 AVStream *st = ic->streams[i];
3230 AVCodecContext *enc = st->codec;
3231 avcodec_thread_init(enc, thread_count);
3232 switch(enc->codec_type) {
3233 case AVMEDIA_TYPE_AUDIO:
3234 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3235 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3236 channel_layout = enc->channel_layout;
3237 audio_channels = enc->channels;
3238 audio_sample_rate = enc->sample_rate;
3239 audio_sample_fmt = enc->sample_fmt;
3240 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3242 st->discard= AVDISCARD_ALL;
3244 case AVMEDIA_TYPE_VIDEO:
3245 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3246 frame_height = enc->height;
3247 frame_width = enc->width;
3248 if(ic->streams[i]->sample_aspect_ratio.num)
3249 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3251 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3252 frame_aspect_ratio *= (float) enc->width / enc->height;
3253 frame_pix_fmt = enc->pix_fmt;
3254 rfps = ic->streams[i]->r_frame_rate.num;
3255 rfps_base = ic->streams[i]->r_frame_rate.den;
3257 enc->flags |= CODEC_FLAG_EMU_EDGE;
3258 frame_height >>= enc->lowres;
3259 frame_width >>= enc->lowres;
3262 enc->debug |= FF_DEBUG_MV;
3264 if (enc->time_base.den != rfps*enc->ticks_per_frame || enc->time_base.num != rfps_base) {
3267 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3268 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3270 (float)rfps / rfps_base, rfps, rfps_base);
3272 /* update the current frame rate to match the stream frame rate */
3273 frame_rate.num = rfps;
3274 frame_rate.den = rfps_base;
3276 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3278 st->discard= AVDISCARD_ALL;
3279 else if(video_discard)
3280 st->discard= video_discard;
3282 case AVMEDIA_TYPE_DATA:
3284 case AVMEDIA_TYPE_SUBTITLE:
3285 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3286 if(subtitle_disable)
3287 st->discard = AVDISCARD_ALL;
3289 case AVMEDIA_TYPE_ATTACHMENT:
3290 case AVMEDIA_TYPE_UNKNOWN:
3298 input_files[nb_input_files] = ic;
3299 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3300 /* dump the file content */
3302 dump_format(ic, nb_input_files, filename, 0);
3308 av_freep(&video_codec_name);
3309 av_freep(&audio_codec_name);
3310 av_freep(&subtitle_codec_name);
3313 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3314 int *has_subtitle_ptr)
3316 int has_video, has_audio, has_subtitle, i, j;
3317 AVFormatContext *ic;
3322 for(j=0;j<nb_input_files;j++) {
3323 ic = input_files[j];
3324 for(i=0;i<ic->nb_streams;i++) {
3325 AVCodecContext *enc = ic->streams[i]->codec;
3326 switch(enc->codec_type) {
3327 case AVMEDIA_TYPE_AUDIO:
3330 case AVMEDIA_TYPE_VIDEO:
3333 case AVMEDIA_TYPE_SUBTITLE:
3336 case AVMEDIA_TYPE_DATA:
3337 case AVMEDIA_TYPE_ATTACHMENT:
3338 case AVMEDIA_TYPE_UNKNOWN:
3345 *has_video_ptr = has_video;
3346 *has_audio_ptr = has_audio;
3347 *has_subtitle_ptr = has_subtitle;
3350 static void new_video_stream(AVFormatContext *oc)
3353 AVCodecContext *video_enc;
3354 enum CodecID codec_id;
3356 st = av_new_stream(oc, oc->nb_streams);
3358 fprintf(stderr, "Could not alloc stream\n");
3361 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3362 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3363 video_bitstream_filters= NULL;
3365 avcodec_thread_init(st->codec, thread_count);
3367 video_enc = st->codec;
3370 video_enc->codec_tag= video_codec_tag;
3372 if( (video_global_header&1)
3373 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3374 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3375 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3377 if(video_global_header&2){
3378 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3379 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3382 if (video_stream_copy) {
3383 st->stream_copy = 1;
3384 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3385 video_enc->sample_aspect_ratio =
3386 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3391 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3393 if (video_codec_name) {
3394 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3395 video_enc->strict_std_compliance);
3396 codec = avcodec_find_encoder_by_name(video_codec_name);
3397 output_codecs[nb_ocodecs] = codec;
3399 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3400 codec = avcodec_find_encoder(codec_id);
3403 video_enc->codec_id = codec_id;
3405 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3407 if (codec && codec->supported_framerates && !force_fps)
3408 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3409 video_enc->time_base.den = fps.num;
3410 video_enc->time_base.num = fps.den;
3412 video_enc->width = frame_width;
3413 video_enc->height = frame_height;
3414 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3415 video_enc->pix_fmt = frame_pix_fmt;
3416 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3418 choose_pixel_fmt(st, codec);
3421 video_enc->gop_size = 0;
3422 if (video_qscale || same_quality) {
3423 video_enc->flags |= CODEC_FLAG_QSCALE;
3424 video_enc->global_quality=
3425 st->quality = FF_QP2LAMBDA * video_qscale;
3429 video_enc->intra_matrix = intra_matrix;
3431 video_enc->inter_matrix = inter_matrix;
3433 p= video_rc_override_string;
3436 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3438 fprintf(stderr, "error parsing rc_override\n");
3441 video_enc->rc_override=
3442 av_realloc(video_enc->rc_override,
3443 sizeof(RcOverride)*(i+1));
3444 video_enc->rc_override[i].start_frame= start;
3445 video_enc->rc_override[i].end_frame = end;
3447 video_enc->rc_override[i].qscale= q;
3448 video_enc->rc_override[i].quality_factor= 1.0;
3451 video_enc->rc_override[i].qscale= 0;
3452 video_enc->rc_override[i].quality_factor= -q/100.0;
3457 video_enc->rc_override_count=i;
3458 if (!video_enc->rc_initial_buffer_occupancy)
3459 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3460 video_enc->me_threshold= me_threshold;
3461 video_enc->intra_dc_precision= intra_dc_precision - 8;
3464 video_enc->flags|= CODEC_FLAG_PSNR;
3469 video_enc->flags |= CODEC_FLAG_PASS1;
3471 video_enc->flags |= CODEC_FLAG_PASS2;
3476 if (video_language) {
3477 av_metadata_set2(&st->metadata, "language", video_language, 0);
3478 av_freep(&video_language);
3481 /* reset some key parameters */
3483 av_freep(&video_codec_name);
3484 video_stream_copy = 0;
3485 frame_pix_fmt = PIX_FMT_NONE;
3488 static void new_audio_stream(AVFormatContext *oc)
3491 AVCodecContext *audio_enc;
3492 enum CodecID codec_id;
3494 st = av_new_stream(oc, oc->nb_streams);
3496 fprintf(stderr, "Could not alloc stream\n");
3499 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
3501 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3502 audio_bitstream_filters= NULL;
3504 avcodec_thread_init(st->codec, thread_count);
3506 audio_enc = st->codec;
3507 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3510 audio_enc->codec_tag= audio_codec_tag;
3512 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3513 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3514 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3516 if (audio_stream_copy) {
3517 st->stream_copy = 1;
3518 audio_enc->channels = audio_channels;
3519 audio_enc->sample_rate = audio_sample_rate;
3523 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3525 if (audio_codec_name) {
3526 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3527 audio_enc->strict_std_compliance);
3528 codec = avcodec_find_encoder_by_name(audio_codec_name);
3529 output_codecs[nb_ocodecs] = codec;
3531 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3532 codec = avcodec_find_encoder(codec_id);
3534 audio_enc->codec_id = codec_id;
3536 if (audio_qscale > QSCALE_NONE) {
3537 audio_enc->flags |= CODEC_FLAG_QSCALE;
3538 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3540 audio_enc->channels = audio_channels;
3541 audio_enc->sample_fmt = audio_sample_fmt;
3542 audio_enc->sample_rate = audio_sample_rate;
3543 audio_enc->channel_layout = channel_layout;
3544 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3545 audio_enc->channel_layout = 0;
3546 choose_sample_fmt(st, codec);
3547 choose_sample_rate(st, codec);
3550 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3551 if (audio_language) {
3552 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3553 av_freep(&audio_language);
3556 /* reset some key parameters */
3558 av_freep(&audio_codec_name);
3559 audio_stream_copy = 0;
3562 static void new_subtitle_stream(AVFormatContext *oc)
3565 AVCodecContext *subtitle_enc;
3567 st = av_new_stream(oc, oc->nb_streams);
3569 fprintf(stderr, "Could not alloc stream\n");
3572 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
3574 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3575 subtitle_bitstream_filters= NULL;
3577 subtitle_enc = st->codec;
3578 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3580 if(subtitle_codec_tag)
3581 subtitle_enc->codec_tag= subtitle_codec_tag;
3583 if (subtitle_stream_copy) {
3584 st->stream_copy = 1;
3586 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3587 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3588 subtitle_enc->strict_std_compliance);
3589 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3593 if (subtitle_language) {
3594 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3595 av_freep(&subtitle_language);
3598 subtitle_disable = 0;
3599 av_freep(&subtitle_codec_name);
3600 subtitle_stream_copy = 0;
3603 static void opt_new_audio_stream(void)
3605 AVFormatContext *oc;
3606 if (nb_output_files <= 0) {
3607 fprintf(stderr, "At least one output file must be specified\n");
3610 oc = output_files[nb_output_files - 1];
3611 new_audio_stream(oc);
3614 static void opt_new_video_stream(void)
3616 AVFormatContext *oc;
3617 if (nb_output_files <= 0) {
3618 fprintf(stderr, "At least one output file must be specified\n");
3621 oc = output_files[nb_output_files - 1];
3622 new_video_stream(oc);
3625 static void opt_new_subtitle_stream(void)
3627 AVFormatContext *oc;
3628 if (nb_output_files <= 0) {
3629 fprintf(stderr, "At least one output file must be specified\n");
3632 oc = output_files[nb_output_files - 1];
3633 new_subtitle_stream(oc);
3636 static void opt_output_file(const char *filename)
3638 AVFormatContext *oc;
3639 int err, use_video, use_audio, use_subtitle;
3640 int input_has_video, input_has_audio, input_has_subtitle;
3641 AVFormatParameters params, *ap = ¶ms;
3642 AVOutputFormat *file_oformat;
3644 if (!strcmp(filename, "-"))
3647 oc = avformat_alloc_context();
3649 print_error(filename, AVERROR(ENOMEM));
3653 if (last_asked_format) {
3654 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3655 if (!file_oformat) {
3656 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3659 last_asked_format = NULL;
3661 file_oformat = av_guess_format(NULL, filename, NULL);
3662 if (!file_oformat) {
3663 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3669 oc->oformat = file_oformat;
3670 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3672 if (!strcmp(file_oformat->name, "ffm") &&
3673 av_strstart(filename, "http:", NULL)) {
3674 /* special case for files sent to ffserver: we get the stream
3675 parameters from ffserver */
3676 int err = read_ffserver_streams(oc, filename);
3678 print_error(filename, err);
3682 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3683 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3684 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3686 /* disable if no corresponding type found and at least one
3688 if (nb_input_files > 0) {
3689 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3690 &input_has_subtitle);
3691 if (!input_has_video)
3693 if (!input_has_audio)
3695 if (!input_has_subtitle)
3699 /* manual disable */
3700 if (audio_disable) {
3703 if (video_disable) {
3706 if (subtitle_disable) {
3711 new_video_stream(oc);
3715 new_audio_stream(oc);
3719 new_subtitle_stream(oc);
3722 oc->timestamp = rec_timestamp;
3724 for(; metadata_count>0; metadata_count--){
3725 av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,
3726 metadata[metadata_count-1].value, 0);
3728 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3731 output_files[nb_output_files++] = oc;
3733 /* check filename in case of an image number is expected */
3734 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3735 if (!av_filename_number_test(oc->filename)) {
3736 print_error(oc->filename, AVERROR_NUMEXPECTED);
3741 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3742 /* test if it already exists to avoid loosing precious files */
3743 if (!file_overwrite &&
3744 (strchr(filename, ':') == NULL ||
3745 filename[1] == ':' ||
3746 av_strstart(filename, "file:", NULL))) {
3747 if (url_exist(filename)) {
3749 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3751 if (!read_yesno()) {
3752 fprintf(stderr, "Not overwriting - exiting\n");
3757 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3764 if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
3765 print_error(filename, err);
3770 memset(ap, 0, sizeof(*ap));
3771 if (av_set_parameters(oc, ap) < 0) {
3772 fprintf(stderr, "%s: Invalid encoding parameters\n",
3777 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3778 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3779 oc->loop_output = loop_output;
3780 oc->flags |= AVFMT_FLAG_NONBLOCK;
3782 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3785 /* same option as mencoder */
3786 static void opt_pass(const char *pass_str)
3789 pass = atoi(pass_str);
3790 if (pass != 1 && pass != 2) {
3791 fprintf(stderr, "pass number can be only 1 or 2\n");
3797 static int64_t getutime(void)
3800 struct rusage rusage;
3802 getrusage(RUSAGE_SELF, &rusage);
3803 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3804 #elif HAVE_GETPROCESSTIMES
3806 FILETIME c, e, k, u;
3807 proc = GetCurrentProcess();
3808 GetProcessTimes(proc, &c, &e, &k, &u);
3809 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3811 return av_gettime();
3815 static int64_t getmaxrss(void)
3817 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3818 struct rusage rusage;
3819 getrusage(RUSAGE_SELF, &rusage);
3820 return (int64_t)rusage.ru_maxrss * 1024;
3821 #elif HAVE_GETPROCESSMEMORYINFO
3823 PROCESS_MEMORY_COUNTERS memcounters;
3824 proc = GetCurrentProcess();
3825 memcounters.cb = sizeof(memcounters);
3826 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3827 return memcounters.PeakPagefileUsage;
3833 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3836 const char *p = str;
3843 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3850 static void opt_inter_matrix(const char *arg)
3852 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3853 parse_matrix_coeffs(inter_matrix, arg);
3856 static void opt_intra_matrix(const char *arg)
3858 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3859 parse_matrix_coeffs(intra_matrix, arg);
3863 * Trivial log callback.
3864 * Only suitable for show_help and similar since it lacks prefix handling.
3866 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3868 vfprintf(stdout, fmt, vl);
3871 static void show_usage(void)
3873 printf("Hyper fast Audio and Video encoder\n");
3874 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3878 static void show_help(void)
3880 av_log_set_callback(log_callback_help);
3882 show_help_options(options, "Main options:\n",
3883 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3884 show_help_options(options, "\nAdvanced options:\n",
3885 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3887 show_help_options(options, "\nVideo options:\n",
3888 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3890 show_help_options(options, "\nAdvanced Video options:\n",
3891 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3892 OPT_VIDEO | OPT_EXPERT);
3893 show_help_options(options, "\nAudio options:\n",
3894 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3896 show_help_options(options, "\nAdvanced Audio options:\n",
3897 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3898 OPT_AUDIO | OPT_EXPERT);
3899 show_help_options(options, "\nSubtitle options:\n",
3900 OPT_SUBTITLE | OPT_GRAB,
3902 show_help_options(options, "\nAudio/Video grab options:\n",
3906 av_opt_show(avcodec_opts[0], NULL);
3908 av_opt_show(avformat_opts, NULL);
3910 av_opt_show(sws_opts, NULL);
3913 static void opt_target(const char *arg)
3915 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3916 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3918 if(!strncmp(arg, "pal-", 4)) {
3921 } else if(!strncmp(arg, "ntsc-", 5)) {
3924 } else if(!strncmp(arg, "film-", 5)) {
3929 /* Calculate FR via float to avoid int overflow */
3930 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3933 } else if((fr == 29970) || (fr == 23976)) {
3936 /* Try to determine PAL/NTSC by peeking in the input files */
3937 if(nb_input_files) {
3939 for(j = 0; j < nb_input_files; j++) {
3940 for(i = 0; i < input_files[j]->nb_streams; i++) {
3941 AVCodecContext *c = input_files[j]->streams[i]->codec;
3942 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3944 fr = c->time_base.den * 1000 / c->time_base.num;
3948 } else if((fr == 29970) || (fr == 23976)) {
3958 if(verbose && norm != UNKNOWN)
3959 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3962 if(norm == UNKNOWN) {
3963 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3964 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3965 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3969 if(!strcmp(arg, "vcd")) {
3971 opt_video_codec("mpeg1video");
3972 opt_audio_codec("mp2");
3975 opt_frame_size(norm == PAL ? "352x288" : "352x240");
3976 opt_frame_rate(NULL, frame_rates[norm]);
3977 opt_default("g", norm == PAL ? "15" : "18");
3979 opt_default("b", "1150000");
3980 opt_default("maxrate", "1150000");
3981 opt_default("minrate", "1150000");
3982 opt_default("bufsize", "327680"); // 40*1024*8;
3984 opt_default("ab", "224000");
3985 audio_sample_rate = 44100;
3988 opt_default("packetsize", "2324");
3989 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3991 /* We have to offset the PTS, so that it is consistent with the SCR.
3992 SCR starts at 36000, but the first two packs contain only padding
3993 and the first pack from the other stream, respectively, may also have
3994 been written before.
3995 So the real data starts at SCR 36000+3*1200. */
3996 mux_preload= (36000+3*1200) / 90000.0; //0.44
3997 } else if(!strcmp(arg, "svcd")) {
3999 opt_video_codec("mpeg2video");
4000 opt_audio_codec("mp2");
4003 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4004 opt_frame_rate(NULL, frame_rates[norm]);
4005 opt_default("g", norm == PAL ? "15" : "18");
4007 opt_default("b", "2040000");
4008 opt_default("maxrate", "2516000");
4009 opt_default("minrate", "0"); //1145000;
4010 opt_default("bufsize", "1835008"); //224*1024*8;
4011 opt_default("flags", "+scan_offset");
4014 opt_default("ab", "224000");
4015 audio_sample_rate = 44100;
4017 opt_default("packetsize", "2324");
4019 } else if(!strcmp(arg, "dvd")) {
4021 opt_video_codec("mpeg2video");
4022 opt_audio_codec("ac3");
4025 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4026 opt_frame_rate(NULL, frame_rates[norm]);
4027 opt_default("g", norm == PAL ? "15" : "18");
4029 opt_default("b", "6000000");
4030 opt_default("maxrate", "9000000");
4031 opt_default("minrate", "0"); //1500000;
4032 opt_default("bufsize", "1835008"); //224*1024*8;
4034 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4035 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4037 opt_default("ab", "448000");
4038 audio_sample_rate = 48000;
4040 } else if(!strncmp(arg, "dv", 2)) {
4044 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4045 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4046 (norm == PAL ? "yuv420p" : "yuv411p"));
4047 opt_frame_rate(NULL, frame_rates[norm]);
4049 audio_sample_rate = 48000;
4053 fprintf(stderr, "Unknown target: %s\n", arg);
4058 static void opt_vstats_file (const char *arg)
4060 av_free (vstats_filename);
4061 vstats_filename=av_strdup (arg);
4064 static void opt_vstats (void)
4067 time_t today2 = time(NULL);
4068 struct tm *today = localtime(&today2);
4070 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4072 opt_vstats_file(filename);
4075 static int opt_bsf(const char *opt, const char *arg)
4077 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4078 AVBitStreamFilterContext **bsfp;
4081 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4085 bsfp= *opt == 'v' ? &video_bitstream_filters :
4086 *opt == 'a' ? &audio_bitstream_filters :
4087 &subtitle_bitstream_filters;
4089 bsfp= &(*bsfp)->next;
4096 static int opt_preset(const char *opt, const char *arg)
4099 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4101 const char *base[3]= { getenv("FFMPEG_DATADIR"),
4107 for(i=0; i<3 && !f; i++){
4110 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
4111 f= fopen(filename, "r");
4113 char *codec_name= *opt == 'v' ? video_codec_name :
4114 *opt == 'a' ? audio_codec_name :
4115 subtitle_codec_name;
4116 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec_name, arg);
4117 f= fopen(filename, "r");
4121 av_strlcpy(filename, arg, sizeof(filename));
4122 f= fopen(filename, "r");
4126 fprintf(stderr, "File for preset '%s' not found\n", arg);
4131 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4132 if(line[0] == '#' && !e)
4134 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4136 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4139 if(!strcmp(tmp, "acodec")){
4140 opt_audio_codec(tmp2);
4141 }else if(!strcmp(tmp, "vcodec")){
4142 opt_video_codec(tmp2);
4143 }else if(!strcmp(tmp, "scodec")){
4144 opt_subtitle_codec(tmp2);
4145 }else if(opt_default(tmp, tmp2) < 0){
4146 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4156 static const OptionDef options[] = {
4158 #include "cmdutils_common_opts.h"
4159 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4160 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4161 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4162 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4163 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4164 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4165 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4166 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4167 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4168 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4169 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
4170 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4171 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4172 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4173 "add timings for benchmarking" },
4174 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4175 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4176 "dump each input packet" },
4177 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4178 "when dumping packets, also dump the payload" },
4179 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4180 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4181 { "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)", "" },
4182 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4183 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4184 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4185 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4186 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4187 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4188 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4189 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4190 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4191 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4192 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4193 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4194 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4197 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4198 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4199 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4200 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4201 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4202 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4203 { "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" },
4204 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "Deprecated, please use the crop avfilter", "size" },
4205 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "Deprecated, please use the crop avfilter", "size" },
4206 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "Deprecated, please use the crop avfilter", "size" },
4207 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "Deprecated, please use the crop avfilter", "size" },
4208 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set top pad band size (in pixels)", "size" },
4209 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set bottom pad band size (in pixels)", "size" },
4210 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set left pad band size (in pixels)", "size" },
4211 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set right pad band size (in pixels)", "size" },
4212 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
4213 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4214 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4215 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4216 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4217 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4218 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4219 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4220 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4221 "use same video quality as source (implies VBR)" },
4222 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4223 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4224 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4225 "deinterlace pictures" },
4226 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4227 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4228 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4230 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4232 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4233 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4234 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4235 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4236 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4237 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4238 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4239 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4240 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4243 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4244 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4245 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4246 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4247 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4248 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4249 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4250 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4251 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4252 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4253 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4254 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
4256 /* subtitle options */
4257 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4258 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4259 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4260 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4261 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4264 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4265 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4266 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4269 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4270 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4272 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4273 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4274 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4276 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4277 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4278 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4279 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4281 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4285 int main(int argc, char **argv)
4290 avcodec_register_all();
4292 avdevice_register_all();
4295 avfilter_register_all();
4300 if(isatty(STDIN_FILENO))
4301 url_set_interrupt_cb(decode_interrupt_cb);
4304 for(i=0; i<AVMEDIA_TYPE_NB; i++){
4305 avcodec_opts[i]= avcodec_alloc_context2(i);
4307 avformat_opts = avformat_alloc_context();
4308 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4313 parse_options(argc, argv, options, opt_output_file);
4315 if(nb_output_files <= 0 && nb_input_files == 0) {
4317 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4321 /* file converter / grab */
4322 if (nb_output_files <= 0) {
4323 fprintf(stderr, "At least one output file must be specified\n");
4327 if (nb_input_files == 0) {
4328 fprintf(stderr, "At least one input file must be specified\n");
4333 if (av_transcode(output_files, nb_output_files, input_files, nb_input_files,
4334 stream_maps, nb_stream_maps) < 0)
4336 ti = getutime() - ti;
4338 int maxrss = getmaxrss() / 1024;
4339 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);