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;
1519 int frame_available;
1523 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1525 if(ist->next_pts == AV_NOPTS_VALUE)
1526 ist->next_pts= ist->pts;
1530 av_init_packet(&avpkt);
1538 if(pkt->dts != AV_NOPTS_VALUE)
1539 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1541 //while we have more to decode or while the decoder did output something on EOF
1542 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1543 uint8_t *data_buf, *decoded_data_buf;
1544 int data_size, decoded_data_size;
1546 ist->pts= ist->next_pts;
1548 if(avpkt.size && avpkt.size != pkt->size &&
1549 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1550 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1551 ist->showed_multi_packet_warning=1;
1554 /* decode the packet if needed */
1555 decoded_data_buf = NULL; /* fail safe */
1556 decoded_data_size= 0;
1557 data_buf = avpkt.data;
1558 data_size = avpkt.size;
1559 subtitle_to_free = NULL;
1560 if (ist->decoding_needed) {
1561 switch(ist->st->codec->codec_type) {
1562 case AVMEDIA_TYPE_AUDIO:{
1563 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1564 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1566 samples= av_malloc(samples_size);
1568 decoded_data_size= samples_size;
1569 /* XXX: could avoid copy if PCM 16 bits with same
1570 endianness as CPU */
1571 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1578 /* Some bug in mpeg audio decoder gives */
1579 /* decoded_data_size < 0, it seems they are overflows */
1580 if (decoded_data_size <= 0) {
1581 /* no audio frame */
1584 decoded_data_buf = (uint8_t *)samples;
1585 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1586 (ist->st->codec->sample_rate * ist->st->codec->channels);
1588 case AVMEDIA_TYPE_VIDEO:
1589 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1590 /* XXX: allocate picture correctly */
1591 avcodec_get_frame_defaults(&picture);
1593 ret = avcodec_decode_video2(ist->st->codec,
1594 &picture, &got_picture, &avpkt);
1595 ist->st->quality= picture.quality;
1599 /* no picture yet */
1600 goto discard_packet;
1602 if (ist->st->codec->time_base.num != 0) {
1603 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1604 ist->next_pts += ((int64_t)AV_TIME_BASE *
1605 ist->st->codec->time_base.num * ticks) /
1606 ist->st->codec->time_base.den;
1610 case AVMEDIA_TYPE_SUBTITLE:
1611 ret = avcodec_decode_subtitle2(ist->st->codec,
1612 &subtitle, &got_subtitle, &avpkt);
1615 if (!got_subtitle) {
1616 goto discard_packet;
1618 subtitle_to_free = &subtitle;
1625 switch(ist->st->codec->codec_type) {
1626 case AVMEDIA_TYPE_AUDIO:
1627 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1628 ist->st->codec->sample_rate;
1630 case AVMEDIA_TYPE_VIDEO:
1631 if (ist->st->codec->time_base.num != 0) {
1632 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1633 ist->next_pts += ((int64_t)AV_TIME_BASE *
1634 ist->st->codec->time_base.num * ticks) /
1635 ist->st->codec->time_base.den;
1643 buffer_to_free = NULL;
1644 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1645 pre_process_video_frame(ist, (AVPicture *)&picture,
1650 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1651 // add it to be filtered
1652 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1654 ist->st->codec->sample_aspect_ratio);
1658 // preprocess audio (volume)
1659 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1660 if (audio_volume != 256) {
1663 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1664 int v = ((*volp) * audio_volume + 128) >> 8;
1665 if (v < -32768) v = -32768;
1666 if (v > 32767) v = 32767;
1672 /* frame rate emulation */
1674 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1675 int64_t now = av_gettime() - ist->start;
1680 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1681 !ist->out_video_filter || avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1683 /* if output time reached then transcode raw format,
1684 encode packets and output them */
1685 if (start_time == 0 || ist->pts >= start_time)
1687 while (frame_available) {
1688 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->out_video_filter)
1689 get_filtered_video_pic(ist->out_video_filter, &ist->picref, &picture, &ist->pts);
1691 for(i=0;i<nb_ostreams;i++) {
1695 if (ost->source_index == ist_index) {
1696 os = output_files[ost->file_index];
1698 /* set the input output pts pairs */
1699 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1701 if (ost->encoding_needed) {
1702 assert(ist->decoding_needed);
1703 switch(ost->st->codec->codec_type) {
1704 case AVMEDIA_TYPE_AUDIO:
1705 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1707 case AVMEDIA_TYPE_VIDEO:
1709 ost->st->codec->sample_aspect_ratio = ist->picref->pixel_aspect;
1711 do_video_out(os, ost, ist, &picture, &frame_size);
1712 if (vstats_filename && frame_size)
1713 do_video_stats(os, ost, frame_size);
1715 case AVMEDIA_TYPE_SUBTITLE:
1716 do_subtitle_out(os, ost, ist, &subtitle,
1723 AVFrame avframe; //FIXME/XXX remove this
1725 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1727 av_init_packet(&opkt);
1729 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1732 /* no reencoding needed : output the packet directly */
1733 /* force the input stream PTS */
1735 avcodec_get_frame_defaults(&avframe);
1736 ost->st->codec->coded_frame= &avframe;
1737 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1739 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1740 audio_size += data_size;
1741 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1742 video_size += data_size;
1746 opkt.stream_index= ost->index;
1747 if(pkt->pts != AV_NOPTS_VALUE)
1748 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1750 opkt.pts= AV_NOPTS_VALUE;
1752 if (pkt->dts == AV_NOPTS_VALUE)
1753 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1755 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1756 opkt.dts -= ost_tb_start_time;
1758 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1759 opkt.flags= pkt->flags;
1761 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1762 if( ost->st->codec->codec_id != CODEC_ID_H264
1763 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1764 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1766 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1767 opkt.destruct= av_destruct_packet;
1769 opkt.data = data_buf;
1770 opkt.size = data_size;
1773 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1774 ost->st->codec->frame_number++;
1775 ost->frame_number++;
1776 av_free_packet(&opkt);
1780 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1781 ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1787 avfilter_unref_pic(ist->picref);
1790 av_free(buffer_to_free);
1791 /* XXX: allocate the subtitles in the codec ? */
1792 if (subtitle_to_free) {
1793 if (subtitle_to_free->rects != NULL) {
1794 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1795 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1796 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1797 av_freep(&subtitle_to_free->rects[i]);
1799 av_freep(&subtitle_to_free->rects);
1801 subtitle_to_free->num_rects = 0;
1802 subtitle_to_free = NULL;
1809 for(i=0;i<nb_ostreams;i++) {
1811 if (ost->source_index == ist_index) {
1812 AVCodecContext *enc= ost->st->codec;
1813 os = output_files[ost->file_index];
1815 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1817 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1820 if (ost->encoding_needed) {
1824 av_init_packet(&pkt);
1825 pkt.stream_index= ost->index;
1827 switch(ost->st->codec->codec_type) {
1828 case AVMEDIA_TYPE_AUDIO:
1829 fifo_bytes = av_fifo_size(ost->fifo);
1831 /* encode any samples remaining in fifo */
1832 if (fifo_bytes > 0) {
1833 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1834 int fs_tmp = enc->frame_size;
1836 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1837 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1838 enc->frame_size = fifo_bytes / (osize * enc->channels);
1840 int frame_bytes = enc->frame_size*osize*enc->channels;
1841 if (allocated_audio_buf_size < frame_bytes)
1843 memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1846 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1847 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1848 ost->st->time_base.num, enc->sample_rate);
1849 enc->frame_size = fs_tmp;
1852 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1855 fprintf(stderr, "Audio encoding failed\n");
1859 pkt.flags |= AV_PKT_FLAG_KEY;
1861 case AVMEDIA_TYPE_VIDEO:
1862 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1864 fprintf(stderr, "Video encoding failed\n");
1868 if(enc->coded_frame && enc->coded_frame->key_frame)
1869 pkt.flags |= AV_PKT_FLAG_KEY;
1870 if (ost->logfile && enc->stats_out) {
1871 fprintf(ost->logfile, "%s", enc->stats_out);
1880 pkt.data= bit_buffer;
1882 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1883 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1884 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1896 static void print_sdp(AVFormatContext **avc, int n)
1900 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1901 printf("SDP:\n%s\n", sdp);
1905 static int copy_chapters(int infile, int outfile)
1907 AVFormatContext *is = input_files[infile];
1908 AVFormatContext *os = output_files[outfile];
1911 for (i = 0; i < is->nb_chapters; i++) {
1912 AVChapter *in_ch = is->chapters[i], *out_ch;
1913 AVMetadataTag *t = NULL;
1914 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1915 AV_TIME_BASE_Q, in_ch->time_base);
1916 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1917 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1920 if (in_ch->end < ts_off)
1922 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1925 out_ch = av_mallocz(sizeof(AVChapter));
1927 return AVERROR(ENOMEM);
1929 out_ch->id = in_ch->id;
1930 out_ch->time_base = in_ch->time_base;
1931 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1932 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1934 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1935 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1938 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1940 return AVERROR(ENOMEM);
1941 os->chapters[os->nb_chapters - 1] = out_ch;
1947 * The following code is the main loop of the file converter
1949 static int av_transcode(AVFormatContext **output_files,
1950 int nb_output_files,
1951 AVFormatContext **input_files,
1953 AVStreamMap *stream_maps, int nb_stream_maps)
1955 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1956 AVFormatContext *is, *os;
1957 AVCodecContext *codec, *icodec;
1958 AVOutputStream *ost, **ost_table = NULL;
1959 AVInputStream *ist, **ist_table = NULL;
1960 AVInputFile *file_table;
1964 uint8_t no_packet[MAX_FILES]={0};
1965 int no_packet_count=0;
1967 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1971 /* input stream init */
1973 for(i=0;i<nb_input_files;i++) {
1974 is = input_files[i];
1975 file_table[i].ist_index = j;
1976 file_table[i].nb_streams = is->nb_streams;
1977 j += is->nb_streams;
1981 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1985 for(i=0;i<nb_istreams;i++) {
1986 ist = av_mallocz(sizeof(AVInputStream));
1992 for(i=0;i<nb_input_files;i++) {
1993 is = input_files[i];
1994 for(k=0;k<is->nb_streams;k++) {
1995 ist = ist_table[j++];
1996 ist->st = is->streams[k];
1997 ist->file_index = i;
1999 ist->discard = 1; /* the stream is discarded by default
2003 ist->start = av_gettime();
2008 /* output stream init */
2010 for(i=0;i<nb_output_files;i++) {
2011 os = output_files[i];
2012 if (!os->nb_streams) {
2013 dump_format(output_files[i], i, output_files[i]->filename, 1);
2014 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2017 nb_ostreams += os->nb_streams;
2019 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2020 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2024 /* Sanity check the mapping args -- do the input files & streams exist? */
2025 for(i=0;i<nb_stream_maps;i++) {
2026 int fi = stream_maps[i].file_index;
2027 int si = stream_maps[i].stream_index;
2029 if (fi < 0 || fi > nb_input_files - 1 ||
2030 si < 0 || si > file_table[fi].nb_streams - 1) {
2031 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2034 fi = stream_maps[i].sync_file_index;
2035 si = stream_maps[i].sync_stream_index;
2036 if (fi < 0 || fi > nb_input_files - 1 ||
2037 si < 0 || si > file_table[fi].nb_streams - 1) {
2038 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2043 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2046 for(i=0;i<nb_ostreams;i++) {
2047 ost = av_mallocz(sizeof(AVOutputStream));
2054 for(k=0;k<nb_output_files;k++) {
2055 os = output_files[k];
2056 for(i=0;i<os->nb_streams;i++,n++) {
2059 ost->file_index = k;
2061 ost->st = os->streams[i];
2062 if (nb_stream_maps > 0) {
2063 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2064 stream_maps[n].stream_index;
2066 /* Sanity check that the stream types match */
2067 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2068 int i= ost->file_index;
2069 dump_format(output_files[i], i, output_files[i]->filename, 1);
2070 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2071 stream_maps[n].file_index, stream_maps[n].stream_index,
2072 ost->file_index, ost->index);
2077 int best_nb_frames=-1;
2078 /* get corresponding input stream index : we select the first one with the right type */
2080 for(j=0;j<nb_istreams;j++) {
2085 AVFormatContext *f= input_files[ ist->file_index ];
2087 for(pi=0; pi<f->nb_programs; pi++){
2088 AVProgram *p= f->programs[pi];
2089 if(p->id == opt_programid)
2090 for(si=0; si<p->nb_stream_indexes; si++){
2091 if(f->streams[ p->stream_index[si] ] == ist->st)
2096 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2097 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2098 if(best_nb_frames < ist->st->codec_info_nb_frames){
2099 best_nb_frames= ist->st->codec_info_nb_frames;
2100 ost->source_index = j;
2107 if(! opt_programid) {
2108 /* try again and reuse existing stream */
2109 for(j=0;j<nb_istreams;j++) {
2111 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2112 && ist->st->discard != AVDISCARD_ALL) {
2113 ost->source_index = j;
2119 int i= ost->file_index;
2120 dump_format(output_files[i], i, output_files[i]->filename, 1);
2121 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2122 ost->file_index, ost->index);
2127 ist = ist_table[ost->source_index];
2129 ost->sync_ist = (nb_stream_maps > 0) ?
2130 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2131 stream_maps[n].sync_stream_index] : ist;
2135 /* for each output stream, we compute the right encoding parameters */
2136 for(i=0;i<nb_ostreams;i++) {
2137 AVMetadataTag *t = NULL;
2139 os = output_files[ost->file_index];
2140 ist = ist_table[ost->source_index];
2142 codec = ost->st->codec;
2143 icodec = ist->st->codec;
2145 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2146 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2149 ost->st->disposition = ist->st->disposition;
2150 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2151 codec->chroma_sample_location = icodec->chroma_sample_location;
2153 if (ost->st->stream_copy) {
2154 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2156 if (extra_size > INT_MAX)
2159 /* if stream_copy is selected, no need to decode or encode */
2160 codec->codec_id = icodec->codec_id;
2161 codec->codec_type = icodec->codec_type;
2163 if(!codec->codec_tag){
2164 if( !os->oformat->codec_tag
2165 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2166 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2167 codec->codec_tag = icodec->codec_tag;
2170 codec->bit_rate = icodec->bit_rate;
2171 codec->extradata= av_mallocz(extra_size);
2172 if (!codec->extradata)
2174 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2175 codec->extradata_size= icodec->extradata_size;
2176 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){
2177 codec->time_base = icodec->time_base;
2178 codec->time_base.num *= icodec->ticks_per_frame;
2180 codec->time_base = ist->st->time_base;
2181 switch(codec->codec_type) {
2182 case AVMEDIA_TYPE_AUDIO:
2183 if(audio_volume != 256) {
2184 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2187 codec->channel_layout = icodec->channel_layout;
2188 codec->sample_rate = icodec->sample_rate;
2189 codec->channels = icodec->channels;
2190 codec->frame_size = icodec->frame_size;
2191 codec->block_align= icodec->block_align;
2192 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2193 codec->block_align= 0;
2194 if(codec->codec_id == CODEC_ID_AC3)
2195 codec->block_align= 0;
2197 case AVMEDIA_TYPE_VIDEO:
2198 codec->pix_fmt = icodec->pix_fmt;
2199 codec->width = icodec->width;
2200 codec->height = icodec->height;
2201 codec->has_b_frames = icodec->has_b_frames;
2203 case AVMEDIA_TYPE_SUBTITLE:
2204 codec->width = icodec->width;
2205 codec->height = icodec->height;
2211 switch(codec->codec_type) {
2212 case AVMEDIA_TYPE_AUDIO:
2213 ost->fifo= av_fifo_alloc(1024);
2216 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2217 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2218 icodec->request_channels = codec->channels;
2219 ist->decoding_needed = 1;
2220 ost->encoding_needed = 1;
2222 case AVMEDIA_TYPE_VIDEO:
2223 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2224 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2227 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2228 ost->video_resample = ((codec->width != icodec->width -
2229 (frame_leftBand + frame_rightBand)) ||
2230 (codec->height != icodec->height -
2231 (frame_topBand + frame_bottomBand)) ||
2232 (codec->pix_fmt != icodec->pix_fmt));
2233 if (ost->video_crop) {
2234 ost->topBand = ost->original_topBand = frame_topBand;
2235 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2236 ost->leftBand = ost->original_leftBand = frame_leftBand;
2237 ost->rightBand = ost->original_rightBand = frame_rightBand;
2239 if (ost->video_resample) {
2240 avcodec_get_frame_defaults(&ost->pict_tmp);
2241 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2242 codec->width, codec->height)) {
2243 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2246 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2247 ost->img_resample_ctx = sws_getContext(
2248 icodec->width - (frame_leftBand + frame_rightBand),
2249 icodec->height - (frame_topBand + frame_bottomBand),
2254 sws_flags, NULL, NULL, NULL);
2255 if (ost->img_resample_ctx == NULL) {
2256 fprintf(stderr, "Cannot get resampling context\n");
2260 #if !CONFIG_AVFILTER
2261 ost->original_height = icodec->height;
2262 ost->original_width = icodec->width;
2264 codec->bits_per_raw_sample= 0;
2266 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2267 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2268 ost->resample_pix_fmt= icodec->pix_fmt;
2269 ost->encoding_needed = 1;
2270 ist->decoding_needed = 1;
2273 if (configure_filters(ist, ost)) {
2274 fprintf(stderr, "Error opening filters!\n");
2279 case AVMEDIA_TYPE_SUBTITLE:
2280 ost->encoding_needed = 1;
2281 ist->decoding_needed = 1;
2288 if (ost->encoding_needed &&
2289 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2290 char logfilename[1024];
2293 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2294 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2296 if (codec->flags & CODEC_FLAG_PASS1) {
2297 f = fopen(logfilename, "wb");
2299 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2305 size_t logbuffer_size;
2306 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2307 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2310 codec->stats_in = logbuffer;
2314 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2315 int size= codec->width * codec->height;
2316 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2321 bit_buffer = av_malloc(bit_buffer_size);
2323 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2325 ret = AVERROR(ENOMEM);
2329 /* open each encoder */
2330 for(i=0;i<nb_ostreams;i++) {
2332 if (ost->encoding_needed) {
2333 AVCodec *codec = output_codecs[i];
2335 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2337 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2338 ost->st->codec->codec_id, ost->file_index, ost->index);
2339 ret = AVERROR(EINVAL);
2342 if (avcodec_open(ost->st->codec, codec) < 0) {
2343 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2344 ost->file_index, ost->index);
2345 ret = AVERROR(EINVAL);
2348 extra_size += ost->st->codec->extradata_size;
2352 /* open each decoder */
2353 for(i=0;i<nb_istreams;i++) {
2355 if (ist->decoding_needed) {
2356 AVCodec *codec = input_codecs[i];
2358 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2360 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2361 ist->st->codec->codec_id, ist->file_index, ist->index);
2362 ret = AVERROR(EINVAL);
2365 if (avcodec_open(ist->st->codec, codec) < 0) {
2366 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2367 ist->file_index, ist->index);
2368 ret = AVERROR(EINVAL);
2371 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2372 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2377 for(i=0;i<nb_istreams;i++) {
2381 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2382 ist->next_pts = AV_NOPTS_VALUE;
2386 /* set meta data information from input file if required */
2387 for (i=0;i<nb_meta_data_maps;i++) {
2388 AVFormatContext *out_file;
2389 AVFormatContext *in_file;
2390 AVMetadataTag *mtag;
2392 int out_file_index = meta_data_maps[i].out_file;
2393 int in_file_index = meta_data_maps[i].in_file;
2394 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2395 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2396 out_file_index, out_file_index, in_file_index);
2397 ret = AVERROR(EINVAL);
2400 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2401 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2402 in_file_index, out_file_index, in_file_index);
2403 ret = AVERROR(EINVAL);
2407 out_file = output_files[out_file_index];
2408 in_file = input_files[in_file_index];
2412 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2413 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2414 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2415 in_file->iformat->metadata_conv);
2418 /* copy chapters from the first input file that has them*/
2419 for (i = 0; i < nb_input_files; i++) {
2420 if (!input_files[i]->nb_chapters)
2423 for (j = 0; j < nb_output_files; j++)
2424 if ((ret = copy_chapters(i, j)) < 0)
2428 /* open files and write file headers */
2429 for(i=0;i<nb_output_files;i++) {
2430 os = output_files[i];
2431 if (av_write_header(os) < 0) {
2432 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2433 ret = AVERROR(EINVAL);
2436 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2442 /* dump the file output parameters - cannot be done before in case
2444 for(i=0;i<nb_output_files;i++) {
2445 dump_format(output_files[i], i, output_files[i]->filename, 1);
2448 /* dump the stream mapping */
2450 fprintf(stderr, "Stream mapping:\n");
2451 for(i=0;i<nb_ostreams;i++) {
2453 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2454 ist_table[ost->source_index]->file_index,
2455 ist_table[ost->source_index]->index,
2458 if (ost->sync_ist != ist_table[ost->source_index])
2459 fprintf(stderr, " [sync #%d.%d]",
2460 ost->sync_ist->file_index,
2461 ost->sync_ist->index);
2462 fprintf(stderr, "\n");
2467 fprintf(stderr, "%s\n", error);
2472 print_sdp(output_files, nb_output_files);
2475 if (!using_stdin && verbose >= 0) {
2476 fprintf(stderr, "Press [q] to stop encoding\n");
2477 url_set_interrupt_cb(decode_interrupt_cb);
2481 timer_start = av_gettime();
2483 for(; received_sigterm == 0;) {
2484 int file_index, ist_index;
2492 /* if 'q' pressed, exits */
2496 /* read_key() returns 0 on EOF */
2502 /* select the stream that we must read now by looking at the
2503 smallest output pts */
2505 for(i=0;i<nb_ostreams;i++) {
2508 os = output_files[ost->file_index];
2509 ist = ist_table[ost->source_index];
2510 if(ist->is_past_recording_time || no_packet[ist->file_index])
2512 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2513 ipts = (double)ist->pts;
2514 if (!file_table[ist->file_index].eof_reached){
2515 if(ipts < ipts_min) {
2517 if(input_sync ) file_index = ist->file_index;
2519 if(opts < opts_min) {
2521 if(!input_sync) file_index = ist->file_index;
2524 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2529 /* if none, if is finished */
2530 if (file_index < 0) {
2531 if(no_packet_count){
2533 memset(no_packet, 0, sizeof(no_packet));
2540 /* finish if limit size exhausted */
2541 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2544 /* read a frame from it and output it in the fifo */
2545 is = input_files[file_index];
2546 ret= av_read_frame(is, &pkt);
2547 if(ret == AVERROR(EAGAIN)){
2548 no_packet[file_index]=1;
2553 file_table[file_index].eof_reached = 1;
2561 memset(no_packet, 0, sizeof(no_packet));
2564 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2566 /* the following test is needed in case new streams appear
2567 dynamically in stream : we ignore them */
2568 if (pkt.stream_index >= file_table[file_index].nb_streams)
2569 goto discard_packet;
2570 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2571 ist = ist_table[ist_index];
2573 goto discard_packet;
2575 if (pkt.dts != AV_NOPTS_VALUE)
2576 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2577 if (pkt.pts != AV_NOPTS_VALUE)
2578 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2580 if(input_files_ts_scale[file_index][pkt.stream_index]){
2581 if(pkt.pts != AV_NOPTS_VALUE)
2582 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2583 if(pkt.dts != AV_NOPTS_VALUE)
2584 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2587 // 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);
2588 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2589 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2590 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2591 int64_t delta= pkt_dts - ist->next_pts;
2592 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2593 input_files_ts_offset[ist->file_index]-= delta;
2595 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2596 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2597 if(pkt.pts != AV_NOPTS_VALUE)
2598 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2602 /* finish if recording time exhausted */
2603 if (recording_time != INT64_MAX &&
2604 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2605 ist->is_past_recording_time = 1;
2606 goto discard_packet;
2609 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2610 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2613 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2614 ist->file_index, ist->index);
2617 av_free_packet(&pkt);
2622 av_free_packet(&pkt);
2624 /* dump report by using the output first video and audio streams */
2625 print_report(output_files, ost_table, nb_ostreams, 0);
2628 /* at the end of stream, we must flush the decoder buffers */
2629 for(i=0;i<nb_istreams;i++) {
2631 if (ist->decoding_needed) {
2632 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2638 /* write the trailer if needed and close file */
2639 for(i=0;i<nb_output_files;i++) {
2640 os = output_files[i];
2641 av_write_trailer(os);
2644 /* dump report by using the first video and audio streams */
2645 print_report(output_files, ost_table, nb_ostreams, 1);
2647 /* close each encoder */
2648 for(i=0;i<nb_ostreams;i++) {
2650 if (ost->encoding_needed) {
2651 av_freep(&ost->st->codec->stats_in);
2652 avcodec_close(ost->st->codec);
2656 /* close each decoder */
2657 for(i=0;i<nb_istreams;i++) {
2659 if (ist->decoding_needed) {
2660 avcodec_close(ist->st->codec);
2665 avfilter_graph_destroy(graph);
2674 av_freep(&bit_buffer);
2675 av_free(file_table);
2678 for(i=0;i<nb_istreams;i++) {
2685 for(i=0;i<nb_ostreams;i++) {
2688 if (ost->st->stream_copy)
2689 av_freep(&ost->st->codec->extradata);
2691 fclose(ost->logfile);
2692 ost->logfile = NULL;
2694 av_fifo_free(ost->fifo); /* works even if fifo is not
2695 initialized but set to zero */
2696 av_free(ost->pict_tmp.data[0]);
2697 if (ost->video_resample)
2698 sws_freeContext(ost->img_resample_ctx);
2700 audio_resample_close(ost->resample);
2701 if (ost->reformat_ctx)
2702 av_audio_convert_free(ost->reformat_ctx);
2711 static void opt_format(const char *arg)
2713 /* compatibility stuff for pgmyuv */
2714 if (!strcmp(arg, "pgmyuv")) {
2715 pgmyuv_compatibility_hack=1;
2716 // opt_image_format(arg);
2718 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2721 last_asked_format = arg;
2724 static void opt_video_rc_override_string(const char *arg)
2726 video_rc_override_string = arg;
2729 static int opt_me_threshold(const char *opt, const char *arg)
2731 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2735 static int opt_verbose(const char *opt, const char *arg)
2737 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2741 static int opt_frame_rate(const char *opt, const char *arg)
2743 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2744 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2750 static int opt_bitrate(const char *opt, const char *arg)
2752 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2754 opt_default(opt, arg);
2756 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2757 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2762 static void opt_frame_crop_top(const char *arg)
2764 frame_topBand = atoi(arg);
2765 if (frame_topBand < 0) {
2766 fprintf(stderr, "Incorrect top crop size\n");
2769 if ((frame_topBand) >= frame_height){
2770 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2773 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2774 frame_height -= frame_topBand;
2777 static void opt_frame_crop_bottom(const char *arg)
2779 frame_bottomBand = atoi(arg);
2780 if (frame_bottomBand < 0) {
2781 fprintf(stderr, "Incorrect bottom crop size\n");
2784 if ((frame_bottomBand) >= frame_height){
2785 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2788 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2789 frame_height -= frame_bottomBand;
2792 static void opt_frame_crop_left(const char *arg)
2794 frame_leftBand = atoi(arg);
2795 if (frame_leftBand < 0) {
2796 fprintf(stderr, "Incorrect left crop size\n");
2799 if ((frame_leftBand) >= frame_width){
2800 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2803 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2804 frame_width -= frame_leftBand;
2807 static void opt_frame_crop_right(const char *arg)
2809 frame_rightBand = atoi(arg);
2810 if (frame_rightBand < 0) {
2811 fprintf(stderr, "Incorrect right crop size\n");
2814 if ((frame_rightBand) >= frame_width){
2815 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2818 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2819 frame_width -= frame_rightBand;
2822 static void opt_frame_size(const char *arg)
2824 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2825 fprintf(stderr, "Incorrect frame size\n");
2830 static void opt_pad(const char *arg) {
2831 fprintf(stderr, "Please use vf=pad\n");
2835 static void opt_frame_pix_fmt(const char *arg)
2837 if (strcmp(arg, "list")) {
2838 frame_pix_fmt = av_get_pix_fmt(arg);
2839 if (frame_pix_fmt == PIX_FMT_NONE) {
2840 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2849 static void opt_frame_aspect_ratio(const char *arg)
2856 p = strchr(arg, ':');
2858 x = strtol(arg, &end, 10);
2860 y = strtol(end+1, &end, 10);
2862 ar = (double)x / (double)y;
2864 ar = strtod(arg, NULL);
2867 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2870 frame_aspect_ratio = ar;
2873 static int opt_metadata(const char *opt, const char *arg)
2875 char *mid= strchr(arg, '=');
2878 fprintf(stderr, "Missing =\n");
2884 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2885 metadata[metadata_count-1].key = av_strdup(arg);
2886 metadata[metadata_count-1].value= av_strdup(mid);
2891 static void opt_qscale(const char *arg)
2893 video_qscale = atof(arg);
2894 if (video_qscale <= 0 ||
2895 video_qscale > 255) {
2896 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2901 static void opt_top_field_first(const char *arg)
2903 top_field_first= atoi(arg);
2906 static int opt_thread_count(const char *opt, const char *arg)
2908 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2911 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2916 static void opt_audio_sample_fmt(const char *arg)
2918 if (strcmp(arg, "list"))
2919 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2921 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2926 static int opt_audio_rate(const char *opt, const char *arg)
2928 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2932 static int opt_audio_channels(const char *opt, const char *arg)
2934 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2938 static void opt_video_channel(const char *arg)
2940 video_channel = strtol(arg, NULL, 0);
2943 static void opt_video_standard(const char *arg)
2945 video_standard = av_strdup(arg);
2948 static void opt_codec(int *pstream_copy, char **pcodec_name,
2949 int codec_type, const char *arg)
2951 av_freep(pcodec_name);
2952 if (!strcmp(arg, "copy")) {
2955 *pcodec_name = av_strdup(arg);
2959 static void opt_audio_codec(const char *arg)
2961 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2964 static void opt_audio_tag(const char *arg)
2967 audio_codec_tag= strtol(arg, &tail, 0);
2970 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2973 static void opt_video_tag(const char *arg)
2976 video_codec_tag= strtol(arg, &tail, 0);
2979 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2982 static void opt_video_codec(const char *arg)
2984 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2987 static void opt_subtitle_codec(const char *arg)
2989 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2992 static void opt_subtitle_tag(const char *arg)
2995 subtitle_codec_tag= strtol(arg, &tail, 0);
2998 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3001 static void opt_map(const char *arg)
3006 m = &stream_maps[nb_stream_maps++];
3008 m->file_index = strtol(arg, &p, 0);
3012 m->stream_index = strtol(p, &p, 0);
3015 m->sync_file_index = strtol(p, &p, 0);
3018 m->sync_stream_index = strtol(p, &p, 0);
3020 m->sync_file_index = m->file_index;
3021 m->sync_stream_index = m->stream_index;
3025 static void opt_map_meta_data(const char *arg)
3030 m = &meta_data_maps[nb_meta_data_maps++];
3032 m->out_file = strtol(arg, &p, 0);
3036 m->in_file = strtol(p, &p, 0);
3039 static void opt_input_ts_scale(const char *arg)
3041 unsigned int stream;
3045 stream = strtol(arg, &p, 0);
3048 scale= strtod(p, &p);
3050 if(stream >= MAX_STREAMS)
3053 input_files_ts_scale[nb_input_files][stream]= scale;
3056 static int opt_recording_time(const char *opt, const char *arg)
3058 recording_time = parse_time_or_die(opt, arg, 1);
3062 static int opt_start_time(const char *opt, const char *arg)
3064 start_time = parse_time_or_die(opt, arg, 1);
3068 static int opt_rec_timestamp(const char *opt, const char *arg)
3070 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3074 static int opt_input_ts_offset(const char *opt, const char *arg)
3076 input_ts_offset = parse_time_or_die(opt, arg, 1);
3080 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3082 const char *codec_string = encoder ? "encoder" : "decoder";
3086 return CODEC_ID_NONE;
3088 avcodec_find_encoder_by_name(name) :
3089 avcodec_find_decoder_by_name(name);
3091 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3094 if(codec->type != type) {
3095 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3098 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3099 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3100 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3101 "results.\nAdd '-strict experimental' if you want to use it.\n",
3102 codec_string, codec->name);
3104 avcodec_find_encoder(codec->id) :
3105 avcodec_find_decoder(codec->id);
3106 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3107 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3108 codec_string, codec->name);
3114 static void opt_input_file(const char *filename)
3116 AVFormatContext *ic;
3117 AVFormatParameters params, *ap = ¶ms;
3118 AVInputFormat *file_iformat = NULL;
3119 int err, i, ret, rfps, rfps_base;
3122 if (last_asked_format) {
3123 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3124 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3127 last_asked_format = NULL;
3130 if (!strcmp(filename, "-"))
3133 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3134 !strcmp(filename, "/dev/stdin");
3136 /* get default parameters from command line */
3137 ic = avformat_alloc_context();
3139 print_error(filename, AVERROR(ENOMEM));
3143 memset(ap, 0, sizeof(*ap));
3144 ap->prealloced_context = 1;
3145 ap->sample_rate = audio_sample_rate;
3146 ap->channels = audio_channels;
3147 ap->time_base.den = frame_rate.num;
3148 ap->time_base.num = frame_rate.den;
3149 ap->width = frame_width;
3150 ap->height = frame_height;
3151 ap->pix_fmt = frame_pix_fmt;
3152 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3153 ap->channel = video_channel;
3154 ap->standard = video_standard;
3156 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
3158 ic->video_codec_id =
3159 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3160 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3161 ic->audio_codec_id =
3162 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3163 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3164 ic->subtitle_codec_id=
3165 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3166 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3167 ic->flags |= AVFMT_FLAG_NONBLOCK;
3169 if(pgmyuv_compatibility_hack)
3170 ic->video_codec_id= CODEC_ID_PGMYUV;
3172 /* open the input file with generic libav function */
3173 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3175 print_error(filename, err);
3181 for(i=0; i<ic->nb_streams; i++){
3182 ic->streams[i]->discard= AVDISCARD_ALL;
3184 for(i=0; i<ic->nb_programs; i++){
3185 AVProgram *p= ic->programs[i];
3186 if(p->id != opt_programid){
3187 p->discard = AVDISCARD_ALL;
3190 for(j=0; j<p->nb_stream_indexes; j++){
3191 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3196 fprintf(stderr, "Specified program id not found\n");
3202 ic->loop_input = loop_input;
3204 /* If not enough info to get the stream parameters, we decode the
3205 first frames to get it. (used in mpeg case for example) */
3206 ret = av_find_stream_info(ic);
3207 if (ret < 0 && verbose >= 0) {
3208 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3212 timestamp = start_time;
3213 /* add the stream start time */
3214 if (ic->start_time != AV_NOPTS_VALUE)
3215 timestamp += ic->start_time;
3217 /* if seeking requested, we execute it */
3218 if (start_time != 0) {
3219 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3221 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3222 filename, (double)timestamp / AV_TIME_BASE);
3224 /* reset seek info */
3228 /* update the current parameters so that they match the one of the input stream */
3229 for(i=0;i<ic->nb_streams;i++) {
3230 AVStream *st = ic->streams[i];
3231 AVCodecContext *enc = st->codec;
3232 avcodec_thread_init(enc, thread_count);
3233 switch(enc->codec_type) {
3234 case AVMEDIA_TYPE_AUDIO:
3235 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3236 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3237 channel_layout = enc->channel_layout;
3238 audio_channels = enc->channels;
3239 audio_sample_rate = enc->sample_rate;
3240 audio_sample_fmt = enc->sample_fmt;
3241 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3243 st->discard= AVDISCARD_ALL;
3245 case AVMEDIA_TYPE_VIDEO:
3246 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3247 frame_height = enc->height;
3248 frame_width = enc->width;
3249 if(ic->streams[i]->sample_aspect_ratio.num)
3250 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3252 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3253 frame_aspect_ratio *= (float) enc->width / enc->height;
3254 frame_pix_fmt = enc->pix_fmt;
3255 rfps = ic->streams[i]->r_frame_rate.num;
3256 rfps_base = ic->streams[i]->r_frame_rate.den;
3258 enc->flags |= CODEC_FLAG_EMU_EDGE;
3259 frame_height >>= enc->lowres;
3260 frame_width >>= enc->lowres;
3263 enc->debug |= FF_DEBUG_MV;
3265 if (enc->time_base.den != rfps*enc->ticks_per_frame || enc->time_base.num != rfps_base) {
3268 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3269 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3271 (float)rfps / rfps_base, rfps, rfps_base);
3273 /* update the current frame rate to match the stream frame rate */
3274 frame_rate.num = rfps;
3275 frame_rate.den = rfps_base;
3277 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3279 st->discard= AVDISCARD_ALL;
3280 else if(video_discard)
3281 st->discard= video_discard;
3283 case AVMEDIA_TYPE_DATA:
3285 case AVMEDIA_TYPE_SUBTITLE:
3286 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3287 if(subtitle_disable)
3288 st->discard = AVDISCARD_ALL;
3290 case AVMEDIA_TYPE_ATTACHMENT:
3291 case AVMEDIA_TYPE_UNKNOWN:
3299 input_files[nb_input_files] = ic;
3300 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3301 /* dump the file content */
3303 dump_format(ic, nb_input_files, filename, 0);
3309 av_freep(&video_codec_name);
3310 av_freep(&audio_codec_name);
3311 av_freep(&subtitle_codec_name);
3314 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3315 int *has_subtitle_ptr)
3317 int has_video, has_audio, has_subtitle, i, j;
3318 AVFormatContext *ic;
3323 for(j=0;j<nb_input_files;j++) {
3324 ic = input_files[j];
3325 for(i=0;i<ic->nb_streams;i++) {
3326 AVCodecContext *enc = ic->streams[i]->codec;
3327 switch(enc->codec_type) {
3328 case AVMEDIA_TYPE_AUDIO:
3331 case AVMEDIA_TYPE_VIDEO:
3334 case AVMEDIA_TYPE_SUBTITLE:
3337 case AVMEDIA_TYPE_DATA:
3338 case AVMEDIA_TYPE_ATTACHMENT:
3339 case AVMEDIA_TYPE_UNKNOWN:
3346 *has_video_ptr = has_video;
3347 *has_audio_ptr = has_audio;
3348 *has_subtitle_ptr = has_subtitle;
3351 static void new_video_stream(AVFormatContext *oc)
3354 AVCodecContext *video_enc;
3355 enum CodecID codec_id;
3357 st = av_new_stream(oc, oc->nb_streams);
3359 fprintf(stderr, "Could not alloc stream\n");
3362 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3363 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3364 video_bitstream_filters= NULL;
3366 avcodec_thread_init(st->codec, thread_count);
3368 video_enc = st->codec;
3371 video_enc->codec_tag= video_codec_tag;
3373 if( (video_global_header&1)
3374 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3375 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3376 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3378 if(video_global_header&2){
3379 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3380 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3383 if (video_stream_copy) {
3384 st->stream_copy = 1;
3385 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3386 video_enc->sample_aspect_ratio =
3387 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3392 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3394 if (video_codec_name) {
3395 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3396 video_enc->strict_std_compliance);
3397 codec = avcodec_find_encoder_by_name(video_codec_name);
3398 output_codecs[nb_ocodecs] = codec;
3400 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3401 codec = avcodec_find_encoder(codec_id);
3404 video_enc->codec_id = codec_id;
3406 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3408 if (codec && codec->supported_framerates && !force_fps)
3409 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3410 video_enc->time_base.den = fps.num;
3411 video_enc->time_base.num = fps.den;
3413 video_enc->width = frame_width;
3414 video_enc->height = frame_height;
3415 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3416 video_enc->pix_fmt = frame_pix_fmt;
3417 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3419 choose_pixel_fmt(st, codec);
3422 video_enc->gop_size = 0;
3423 if (video_qscale || same_quality) {
3424 video_enc->flags |= CODEC_FLAG_QSCALE;
3425 video_enc->global_quality=
3426 st->quality = FF_QP2LAMBDA * video_qscale;
3430 video_enc->intra_matrix = intra_matrix;
3432 video_enc->inter_matrix = inter_matrix;
3434 p= video_rc_override_string;
3437 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3439 fprintf(stderr, "error parsing rc_override\n");
3442 video_enc->rc_override=
3443 av_realloc(video_enc->rc_override,
3444 sizeof(RcOverride)*(i+1));
3445 video_enc->rc_override[i].start_frame= start;
3446 video_enc->rc_override[i].end_frame = end;
3448 video_enc->rc_override[i].qscale= q;
3449 video_enc->rc_override[i].quality_factor= 1.0;
3452 video_enc->rc_override[i].qscale= 0;
3453 video_enc->rc_override[i].quality_factor= -q/100.0;
3458 video_enc->rc_override_count=i;
3459 if (!video_enc->rc_initial_buffer_occupancy)
3460 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3461 video_enc->me_threshold= me_threshold;
3462 video_enc->intra_dc_precision= intra_dc_precision - 8;
3465 video_enc->flags|= CODEC_FLAG_PSNR;
3470 video_enc->flags |= CODEC_FLAG_PASS1;
3472 video_enc->flags |= CODEC_FLAG_PASS2;
3477 if (video_language) {
3478 av_metadata_set2(&st->metadata, "language", video_language, 0);
3479 av_freep(&video_language);
3482 /* reset some key parameters */
3484 av_freep(&video_codec_name);
3485 video_stream_copy = 0;
3486 frame_pix_fmt = PIX_FMT_NONE;
3489 static void new_audio_stream(AVFormatContext *oc)
3492 AVCodecContext *audio_enc;
3493 enum CodecID codec_id;
3495 st = av_new_stream(oc, oc->nb_streams);
3497 fprintf(stderr, "Could not alloc stream\n");
3500 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
3502 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3503 audio_bitstream_filters= NULL;
3505 avcodec_thread_init(st->codec, thread_count);
3507 audio_enc = st->codec;
3508 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3511 audio_enc->codec_tag= audio_codec_tag;
3513 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3514 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3515 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3517 if (audio_stream_copy) {
3518 st->stream_copy = 1;
3519 audio_enc->channels = audio_channels;
3520 audio_enc->sample_rate = audio_sample_rate;
3524 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3526 if (audio_codec_name) {
3527 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3528 audio_enc->strict_std_compliance);
3529 codec = avcodec_find_encoder_by_name(audio_codec_name);
3530 output_codecs[nb_ocodecs] = codec;
3532 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3533 codec = avcodec_find_encoder(codec_id);
3535 audio_enc->codec_id = codec_id;
3537 if (audio_qscale > QSCALE_NONE) {
3538 audio_enc->flags |= CODEC_FLAG_QSCALE;
3539 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3541 audio_enc->channels = audio_channels;
3542 audio_enc->sample_fmt = audio_sample_fmt;
3543 audio_enc->sample_rate = audio_sample_rate;
3544 audio_enc->channel_layout = channel_layout;
3545 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3546 audio_enc->channel_layout = 0;
3547 choose_sample_fmt(st, codec);
3548 choose_sample_rate(st, codec);
3551 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3552 if (audio_language) {
3553 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3554 av_freep(&audio_language);
3557 /* reset some key parameters */
3559 av_freep(&audio_codec_name);
3560 audio_stream_copy = 0;
3563 static void new_subtitle_stream(AVFormatContext *oc)
3566 AVCodecContext *subtitle_enc;
3568 st = av_new_stream(oc, oc->nb_streams);
3570 fprintf(stderr, "Could not alloc stream\n");
3573 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
3575 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3576 subtitle_bitstream_filters= NULL;
3578 subtitle_enc = st->codec;
3579 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3581 if(subtitle_codec_tag)
3582 subtitle_enc->codec_tag= subtitle_codec_tag;
3584 if (subtitle_stream_copy) {
3585 st->stream_copy = 1;
3587 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3588 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3589 subtitle_enc->strict_std_compliance);
3590 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3594 if (subtitle_language) {
3595 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3596 av_freep(&subtitle_language);
3599 subtitle_disable = 0;
3600 av_freep(&subtitle_codec_name);
3601 subtitle_stream_copy = 0;
3604 static void opt_new_audio_stream(void)
3606 AVFormatContext *oc;
3607 if (nb_output_files <= 0) {
3608 fprintf(stderr, "At least one output file must be specified\n");
3611 oc = output_files[nb_output_files - 1];
3612 new_audio_stream(oc);
3615 static void opt_new_video_stream(void)
3617 AVFormatContext *oc;
3618 if (nb_output_files <= 0) {
3619 fprintf(stderr, "At least one output file must be specified\n");
3622 oc = output_files[nb_output_files - 1];
3623 new_video_stream(oc);
3626 static void opt_new_subtitle_stream(void)
3628 AVFormatContext *oc;
3629 if (nb_output_files <= 0) {
3630 fprintf(stderr, "At least one output file must be specified\n");
3633 oc = output_files[nb_output_files - 1];
3634 new_subtitle_stream(oc);
3637 static void opt_output_file(const char *filename)
3639 AVFormatContext *oc;
3640 int err, use_video, use_audio, use_subtitle;
3641 int input_has_video, input_has_audio, input_has_subtitle;
3642 AVFormatParameters params, *ap = ¶ms;
3643 AVOutputFormat *file_oformat;
3645 if (!strcmp(filename, "-"))
3648 oc = avformat_alloc_context();
3650 print_error(filename, AVERROR(ENOMEM));
3654 if (last_asked_format) {
3655 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3656 if (!file_oformat) {
3657 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3660 last_asked_format = NULL;
3662 file_oformat = av_guess_format(NULL, filename, NULL);
3663 if (!file_oformat) {
3664 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3670 oc->oformat = file_oformat;
3671 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3673 if (!strcmp(file_oformat->name, "ffm") &&
3674 av_strstart(filename, "http:", NULL)) {
3675 /* special case for files sent to ffserver: we get the stream
3676 parameters from ffserver */
3677 int err = read_ffserver_streams(oc, filename);
3679 print_error(filename, err);
3683 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3684 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3685 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3687 /* disable if no corresponding type found and at least one
3689 if (nb_input_files > 0) {
3690 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3691 &input_has_subtitle);
3692 if (!input_has_video)
3694 if (!input_has_audio)
3696 if (!input_has_subtitle)
3700 /* manual disable */
3701 if (audio_disable) {
3704 if (video_disable) {
3707 if (subtitle_disable) {
3712 new_video_stream(oc);
3716 new_audio_stream(oc);
3720 new_subtitle_stream(oc);
3723 oc->timestamp = rec_timestamp;
3725 for(; metadata_count>0; metadata_count--){
3726 av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,
3727 metadata[metadata_count-1].value, 0);
3729 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3732 output_files[nb_output_files++] = oc;
3734 /* check filename in case of an image number is expected */
3735 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3736 if (!av_filename_number_test(oc->filename)) {
3737 print_error(oc->filename, AVERROR_NUMEXPECTED);
3742 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3743 /* test if it already exists to avoid loosing precious files */
3744 if (!file_overwrite &&
3745 (strchr(filename, ':') == NULL ||
3746 filename[1] == ':' ||
3747 av_strstart(filename, "file:", NULL))) {
3748 if (url_exist(filename)) {
3750 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3752 if (!read_yesno()) {
3753 fprintf(stderr, "Not overwriting - exiting\n");
3758 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3765 if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
3766 print_error(filename, err);
3771 memset(ap, 0, sizeof(*ap));
3772 if (av_set_parameters(oc, ap) < 0) {
3773 fprintf(stderr, "%s: Invalid encoding parameters\n",
3778 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3779 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3780 oc->loop_output = loop_output;
3781 oc->flags |= AVFMT_FLAG_NONBLOCK;
3783 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3786 /* same option as mencoder */
3787 static void opt_pass(const char *pass_str)
3790 pass = atoi(pass_str);
3791 if (pass != 1 && pass != 2) {
3792 fprintf(stderr, "pass number can be only 1 or 2\n");
3798 static int64_t getutime(void)
3801 struct rusage rusage;
3803 getrusage(RUSAGE_SELF, &rusage);
3804 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3805 #elif HAVE_GETPROCESSTIMES
3807 FILETIME c, e, k, u;
3808 proc = GetCurrentProcess();
3809 GetProcessTimes(proc, &c, &e, &k, &u);
3810 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3812 return av_gettime();
3816 static int64_t getmaxrss(void)
3818 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3819 struct rusage rusage;
3820 getrusage(RUSAGE_SELF, &rusage);
3821 return (int64_t)rusage.ru_maxrss * 1024;
3822 #elif HAVE_GETPROCESSMEMORYINFO
3824 PROCESS_MEMORY_COUNTERS memcounters;
3825 proc = GetCurrentProcess();
3826 memcounters.cb = sizeof(memcounters);
3827 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3828 return memcounters.PeakPagefileUsage;
3834 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3837 const char *p = str;
3844 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3851 static void opt_inter_matrix(const char *arg)
3853 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3854 parse_matrix_coeffs(inter_matrix, arg);
3857 static void opt_intra_matrix(const char *arg)
3859 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3860 parse_matrix_coeffs(intra_matrix, arg);
3864 * Trivial log callback.
3865 * Only suitable for show_help and similar since it lacks prefix handling.
3867 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3869 vfprintf(stdout, fmt, vl);
3872 static void show_usage(void)
3874 printf("Hyper fast Audio and Video encoder\n");
3875 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3879 static void show_help(void)
3881 av_log_set_callback(log_callback_help);
3883 show_help_options(options, "Main options:\n",
3884 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3885 show_help_options(options, "\nAdvanced options:\n",
3886 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3888 show_help_options(options, "\nVideo options:\n",
3889 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3891 show_help_options(options, "\nAdvanced Video options:\n",
3892 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3893 OPT_VIDEO | OPT_EXPERT);
3894 show_help_options(options, "\nAudio options:\n",
3895 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3897 show_help_options(options, "\nAdvanced Audio options:\n",
3898 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3899 OPT_AUDIO | OPT_EXPERT);
3900 show_help_options(options, "\nSubtitle options:\n",
3901 OPT_SUBTITLE | OPT_GRAB,
3903 show_help_options(options, "\nAudio/Video grab options:\n",
3907 av_opt_show(avcodec_opts[0], NULL);
3909 av_opt_show(avformat_opts, NULL);
3911 av_opt_show(sws_opts, NULL);
3914 static void opt_target(const char *arg)
3916 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3917 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3919 if(!strncmp(arg, "pal-", 4)) {
3922 } else if(!strncmp(arg, "ntsc-", 5)) {
3925 } else if(!strncmp(arg, "film-", 5)) {
3930 /* Calculate FR via float to avoid int overflow */
3931 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3934 } else if((fr == 29970) || (fr == 23976)) {
3937 /* Try to determine PAL/NTSC by peeking in the input files */
3938 if(nb_input_files) {
3940 for(j = 0; j < nb_input_files; j++) {
3941 for(i = 0; i < input_files[j]->nb_streams; i++) {
3942 AVCodecContext *c = input_files[j]->streams[i]->codec;
3943 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3945 fr = c->time_base.den * 1000 / c->time_base.num;
3949 } else if((fr == 29970) || (fr == 23976)) {
3959 if(verbose && norm != UNKNOWN)
3960 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3963 if(norm == UNKNOWN) {
3964 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3965 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3966 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3970 if(!strcmp(arg, "vcd")) {
3972 opt_video_codec("mpeg1video");
3973 opt_audio_codec("mp2");
3976 opt_frame_size(norm == PAL ? "352x288" : "352x240");
3977 opt_frame_rate(NULL, frame_rates[norm]);
3978 opt_default("g", norm == PAL ? "15" : "18");
3980 opt_default("b", "1150000");
3981 opt_default("maxrate", "1150000");
3982 opt_default("minrate", "1150000");
3983 opt_default("bufsize", "327680"); // 40*1024*8;
3985 opt_default("ab", "224000");
3986 audio_sample_rate = 44100;
3989 opt_default("packetsize", "2324");
3990 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3992 /* We have to offset the PTS, so that it is consistent with the SCR.
3993 SCR starts at 36000, but the first two packs contain only padding
3994 and the first pack from the other stream, respectively, may also have
3995 been written before.
3996 So the real data starts at SCR 36000+3*1200. */
3997 mux_preload= (36000+3*1200) / 90000.0; //0.44
3998 } else if(!strcmp(arg, "svcd")) {
4000 opt_video_codec("mpeg2video");
4001 opt_audio_codec("mp2");
4004 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4005 opt_frame_rate(NULL, frame_rates[norm]);
4006 opt_default("g", norm == PAL ? "15" : "18");
4008 opt_default("b", "2040000");
4009 opt_default("maxrate", "2516000");
4010 opt_default("minrate", "0"); //1145000;
4011 opt_default("bufsize", "1835008"); //224*1024*8;
4012 opt_default("flags", "+scan_offset");
4015 opt_default("ab", "224000");
4016 audio_sample_rate = 44100;
4018 opt_default("packetsize", "2324");
4020 } else if(!strcmp(arg, "dvd")) {
4022 opt_video_codec("mpeg2video");
4023 opt_audio_codec("ac3");
4026 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4027 opt_frame_rate(NULL, frame_rates[norm]);
4028 opt_default("g", norm == PAL ? "15" : "18");
4030 opt_default("b", "6000000");
4031 opt_default("maxrate", "9000000");
4032 opt_default("minrate", "0"); //1500000;
4033 opt_default("bufsize", "1835008"); //224*1024*8;
4035 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4036 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4038 opt_default("ab", "448000");
4039 audio_sample_rate = 48000;
4041 } else if(!strncmp(arg, "dv", 2)) {
4045 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4046 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4047 (norm == PAL ? "yuv420p" : "yuv411p"));
4048 opt_frame_rate(NULL, frame_rates[norm]);
4050 audio_sample_rate = 48000;
4054 fprintf(stderr, "Unknown target: %s\n", arg);
4059 static void opt_vstats_file (const char *arg)
4061 av_free (vstats_filename);
4062 vstats_filename=av_strdup (arg);
4065 static void opt_vstats (void)
4068 time_t today2 = time(NULL);
4069 struct tm *today = localtime(&today2);
4071 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4073 opt_vstats_file(filename);
4076 static int opt_bsf(const char *opt, const char *arg)
4078 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4079 AVBitStreamFilterContext **bsfp;
4082 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4086 bsfp= *opt == 'v' ? &video_bitstream_filters :
4087 *opt == 'a' ? &audio_bitstream_filters :
4088 &subtitle_bitstream_filters;
4090 bsfp= &(*bsfp)->next;
4097 static int opt_preset(const char *opt, const char *arg)
4100 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4102 const char *base[3]= { getenv("FFMPEG_DATADIR"),
4108 for(i=0; i<3 && !f; i++){
4111 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
4112 f= fopen(filename, "r");
4114 char *codec_name= *opt == 'v' ? video_codec_name :
4115 *opt == 'a' ? audio_codec_name :
4116 subtitle_codec_name;
4117 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec_name, arg);
4118 f= fopen(filename, "r");
4122 av_strlcpy(filename, arg, sizeof(filename));
4123 f= fopen(filename, "r");
4127 fprintf(stderr, "File for preset '%s' not found\n", arg);
4132 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4133 if(line[0] == '#' && !e)
4135 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4137 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4140 if(!strcmp(tmp, "acodec")){
4141 opt_audio_codec(tmp2);
4142 }else if(!strcmp(tmp, "vcodec")){
4143 opt_video_codec(tmp2);
4144 }else if(!strcmp(tmp, "scodec")){
4145 opt_subtitle_codec(tmp2);
4146 }else if(opt_default(tmp, tmp2) < 0){
4147 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4157 static const OptionDef options[] = {
4159 #include "cmdutils_common_opts.h"
4160 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4161 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4162 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4163 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4164 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4165 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4166 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4167 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4168 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4169 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4170 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
4171 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4172 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4173 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4174 "add timings for benchmarking" },
4175 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4176 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4177 "dump each input packet" },
4178 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4179 "when dumping packets, also dump the payload" },
4180 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4181 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4182 { "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)", "" },
4183 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4184 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4185 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4186 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4187 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4188 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4189 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4190 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4191 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4192 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4193 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4194 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4195 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4198 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4199 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4200 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4201 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4202 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4203 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4204 { "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" },
4205 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "Deprecated, please use the crop avfilter", "size" },
4206 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "Deprecated, please use the crop avfilter", "size" },
4207 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "Deprecated, please use the crop avfilter", "size" },
4208 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "Deprecated, please use the crop avfilter", "size" },
4209 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set top pad band size (in pixels)", "size" },
4210 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set bottom pad band size (in pixels)", "size" },
4211 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set left pad band size (in pixels)", "size" },
4212 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set right pad band size (in pixels)", "size" },
4213 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
4214 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4215 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4216 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4217 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4218 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4219 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4220 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4221 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4222 "use same video quality as source (implies VBR)" },
4223 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4224 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4225 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4226 "deinterlace pictures" },
4227 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4228 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4229 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4231 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4233 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4234 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4235 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4236 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4237 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4238 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4239 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4240 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4241 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4244 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4245 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4246 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4247 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4248 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4249 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4250 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4251 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4252 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4253 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4254 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4255 { "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" },
4257 /* subtitle options */
4258 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4259 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4260 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4261 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4262 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4265 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4266 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4267 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4270 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4271 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4273 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4274 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4275 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4277 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4278 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4279 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4280 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4282 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4286 int main(int argc, char **argv)
4291 avcodec_register_all();
4293 avdevice_register_all();
4296 avfilter_register_all();
4301 if(isatty(STDIN_FILENO))
4302 url_set_interrupt_cb(decode_interrupt_cb);
4305 for(i=0; i<AVMEDIA_TYPE_NB; i++){
4306 avcodec_opts[i]= avcodec_alloc_context2(i);
4308 avformat_opts = avformat_alloc_context();
4309 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4314 parse_options(argc, argv, options, opt_output_file);
4316 if(nb_output_files <= 0 && nb_input_files == 0) {
4318 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4322 /* file converter / grab */
4323 if (nb_output_files <= 0) {
4324 fprintf(stderr, "At least one output file must be specified\n");
4328 if (nb_input_files == 0) {
4329 fprintf(stderr, "At least one input file must be specified\n");
4334 if (av_transcode(output_files, nb_output_files, input_files, nb_input_files,
4335 stream_maps, nb_stream_maps) < 0)
4337 ti = getutime() - ti;
4339 int maxrss = getmaxrss() / 1024;
4340 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);