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 "libavutil/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 /* indexed by output file stream index */
125 static int streamid_map[MAX_STREAMS];
127 static int frame_width = 0;
128 static int frame_height = 0;
129 static float frame_aspect_ratio = 0;
130 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
131 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
132 static int frame_topBand = 0;
133 static int frame_bottomBand = 0;
134 static int frame_leftBand = 0;
135 static int frame_rightBand = 0;
136 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
137 static AVRational frame_rate;
138 static float video_qscale = 0;
139 static uint16_t *intra_matrix = NULL;
140 static uint16_t *inter_matrix = NULL;
141 static const char *video_rc_override_string=NULL;
142 static int video_disable = 0;
143 static int video_discard = 0;
144 static char *video_codec_name = NULL;
145 static unsigned int video_codec_tag = 0;
146 static char *video_language = NULL;
147 static int same_quality = 0;
148 static int do_deinterlace = 0;
149 static int top_field_first = -1;
150 static int me_threshold = 0;
151 static int intra_dc_precision = 8;
152 static int loop_input = 0;
153 static int loop_output = AVFMT_NOOUTPUTLOOP;
154 static int qp_hist = 0;
156 static char *vfilters = NULL;
157 AVFilterGraph *graph = NULL;
160 static int intra_only = 0;
161 static int audio_sample_rate = 44100;
162 static int64_t channel_layout = 0;
163 #define QSCALE_NONE -99999
164 static float audio_qscale = QSCALE_NONE;
165 static int audio_disable = 0;
166 static int audio_channels = 1;
167 static char *audio_codec_name = NULL;
168 static unsigned int audio_codec_tag = 0;
169 static char *audio_language = NULL;
171 static int subtitle_disable = 0;
172 static char *subtitle_codec_name = NULL;
173 static char *subtitle_language = NULL;
174 static unsigned int subtitle_codec_tag = 0;
176 static float mux_preload= 0.5;
177 static float mux_max_delay= 0.7;
179 static int64_t recording_time = INT64_MAX;
180 static int64_t start_time = 0;
181 static int64_t recording_timestamp = 0;
182 static int64_t input_ts_offset = 0;
183 static int file_overwrite = 0;
184 static int metadata_count;
185 static AVMetadataTag *metadata;
186 static int do_benchmark = 0;
187 static int do_hex_dump = 0;
188 static int do_pkt_dump = 0;
189 static int do_psnr = 0;
190 static int do_pass = 0;
191 static char *pass_logfilename_prefix = NULL;
192 static int audio_stream_copy = 0;
193 static int video_stream_copy = 0;
194 static int subtitle_stream_copy = 0;
195 static int video_sync_method= -1;
196 static int audio_sync_method= 0;
197 static float audio_drift_threshold= 0.1;
198 static int copy_ts= 0;
199 static int opt_shortest = 0;
200 static int video_global_header = 0;
201 static char *vstats_filename;
202 static FILE *vstats_file;
203 static int opt_programid = 0;
204 static int copy_initial_nonkeyframes = 0;
206 static int rate_emu = 0;
208 static int video_channel = 0;
209 static char *video_standard;
211 static int audio_volume = 256;
213 static int exit_on_error = 0;
214 static int using_stdin = 0;
215 static int verbose = 1;
216 static int thread_count= 1;
217 static int q_pressed = 0;
218 static int64_t video_size = 0;
219 static int64_t audio_size = 0;
220 static int64_t extra_size = 0;
221 static int nb_frames_dup = 0;
222 static int nb_frames_drop = 0;
223 static int input_sync;
224 static uint64_t limit_filesize = 0;
225 static int force_fps = 0;
227 static int pgmyuv_compatibility_hack=0;
228 static float dts_delta_threshold = 10;
230 static unsigned int sws_flags = SWS_BICUBIC;
232 static int64_t timer_start;
234 static uint8_t *audio_buf;
235 static uint8_t *audio_out;
236 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
238 static short *samples;
240 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
241 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
242 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
243 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
245 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
247 struct AVInputStream;
249 typedef struct AVOutputStream {
250 int file_index; /* file index */
251 int index; /* stream index in the output file */
252 int source_index; /* AVInputStream index */
253 AVStream *st; /* stream in the output file */
254 int encoding_needed; /* true if encoding needed for this stream */
256 /* input pts and corresponding output pts
258 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
259 struct AVInputStream *sync_ist; /* input stream to sync against */
260 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
263 AVFrame pict_tmp; /* temporary image for resampling */
264 struct SwsContext *img_resample_ctx; /* for image resampling */
267 int resample_pix_fmt;
269 /* full frame size of first frame */
273 /* cropping area sizes */
280 /* cropping area of first frame */
281 int original_topBand;
282 int original_bottomBand;
283 int original_leftBand;
284 int original_rightBand;
288 ReSampleContext *resample; /* for audio resampling */
290 AVAudioConvert *reformat_ctx;
291 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
295 typedef struct AVInputStream {
299 int discard; /* true if stream data should be discarded */
300 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
301 int64_t sample_index; /* current sample */
303 int64_t start; /* time when read started */
304 int64_t next_pts; /* synthetic pts for cases where pkt.pts
306 int64_t pts; /* current pts */
307 int is_start; /* is 1 at the start and after a discontinuity */
308 int showed_multi_packet_warning;
309 int is_past_recording_time;
311 AVFilterContext *out_video_filter;
312 AVFilterContext *input_video_filter;
313 AVFrame *filter_frame;
314 int has_filter_frame;
315 AVFilterPicRef *picref;
319 typedef struct AVInputFile {
320 int eof_reached; /* true if eof reached */
321 int ist_index; /* index of first stream in ist_table */
322 int buffer_size; /* current total buffer size */
323 int nb_streams; /* nb streams we are aware of */
328 /* init terminal so that we can grab keys */
329 static struct termios oldtty;
338 static int output_init(AVFilterContext *ctx, const char *args, void *opaque)
340 FilterOutPriv *priv = ctx->priv;
342 if(!opaque) return -1;
344 priv->pix_fmt = *((int *)opaque);
349 static void output_end_frame(AVFilterLink *link)
353 static int output_query_formats(AVFilterContext *ctx)
355 FilterOutPriv *priv = ctx->priv;
356 enum PixelFormat pix_fmts[] = { priv->pix_fmt, PIX_FMT_NONE };
358 avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
362 static int get_filtered_video_pic(AVFilterContext *ctx,
363 AVFilterPicRef **picref, AVFrame *pic2,
368 if(avfilter_request_frame(ctx->inputs[0]))
370 if(!(pic = ctx->inputs[0]->cur_pic))
373 ctx->inputs[0]->cur_pic = NULL;
377 memcpy(pic2->data, pic->data, sizeof(pic->data));
378 memcpy(pic2->linesize, pic->linesize, sizeof(pic->linesize));
379 pic2->interlaced_frame = pic->interlaced;
380 pic2->top_field_first = pic->top_field_first;
385 static AVFilter output_filter =
387 .name = "ffmpeg_output",
389 .priv_size = sizeof(FilterOutPriv),
392 .query_formats = output_query_formats,
394 .inputs = (AVFilterPad[]) {{ .name = "default",
395 .type = AVMEDIA_TYPE_VIDEO,
396 .end_frame = output_end_frame,
397 .min_perms = AV_PERM_READ, },
399 .outputs = (AVFilterPad[]) {{ .name = NULL }},
402 static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
404 AVFilterContext *last_filter, *filter;
405 /** filter graph containing all filters including input & output */
406 AVCodecContext *codec = ost->st->codec;
407 AVCodecContext *icodec = ist->st->codec;
410 graph = av_mallocz(sizeof(AVFilterGraph));
412 if (!(ist->input_video_filter = avfilter_open(avfilter_get_by_name("buffer"), "src")))
414 if (!(ist->out_video_filter = avfilter_open(&output_filter, "out")))
417 snprintf(args, 255, "%d:%d:%d", ist->st->codec->width,
418 ist->st->codec->height, ist->st->codec->pix_fmt);
419 if (avfilter_init_filter(ist->input_video_filter, args, NULL))
421 if (avfilter_init_filter(ist->out_video_filter, NULL, &codec->pix_fmt))
424 /* add input and output filters to the overall graph */
425 avfilter_graph_add_filter(graph, ist->input_video_filter);
426 avfilter_graph_add_filter(graph, ist->out_video_filter);
428 last_filter = ist->input_video_filter;
430 if (ost->video_crop) {
431 snprintf(args, 255, "%d:%d:%d:%d", ost->leftBand, ost->topBand,
434 filter = avfilter_open(avfilter_get_by_name("crop"), NULL);
437 if (avfilter_init_filter(filter, args, NULL))
439 if (avfilter_link(last_filter, 0, filter, 0))
441 last_filter = filter;
442 avfilter_graph_add_filter(graph, last_filter);
446 icodec->width - (frame_leftBand + frame_rightBand)) ||
447 (codec->height != icodec->height - (frame_topBand + frame_bottomBand))) {
448 snprintf(args, 255, "%d:%d:flags=0x%X",
451 (int)av_get_int(sws_opts, "sws_flags", NULL));
452 filter = avfilter_open(avfilter_get_by_name("scale"), NULL);
455 if (avfilter_init_filter(filter, args, NULL))
457 if (avfilter_link(last_filter, 0, filter, 0))
459 last_filter = filter;
460 avfilter_graph_add_filter(graph, last_filter);
463 snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
464 graph->scale_sws_opts = av_strdup(args);
467 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
468 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
470 outputs->name = av_strdup("in");
471 outputs->filter = last_filter;
472 outputs->pad_idx = 0;
473 outputs->next = NULL;
475 inputs->name = av_strdup("out");
476 inputs->filter = ist->out_video_filter;
480 if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
484 if (avfilter_link(last_filter, 0, ist->out_video_filter, 0) < 0)
488 /* configure all the filter links */
489 if (avfilter_graph_check_validity(graph, NULL))
491 if (avfilter_graph_config_formats(graph, NULL))
493 if (avfilter_graph_config_links(graph, NULL))
496 codec->width = ist->out_video_filter->inputs[0]->w;
497 codec->height = ist->out_video_filter->inputs[0]->h;
501 #endif /* CONFIG_AVFILTER */
503 static void term_exit(void)
506 tcsetattr (0, TCSANOW, &oldtty);
510 static volatile int received_sigterm = 0;
513 sigterm_handler(int sig)
515 received_sigterm = sig;
519 static void term_init(void)
528 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
529 |INLCR|IGNCR|ICRNL|IXON);
530 tty.c_oflag |= OPOST;
531 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
532 tty.c_cflag &= ~(CSIZE|PARENB);
537 tcsetattr (0, TCSANOW, &tty);
538 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
541 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
542 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
544 signal(SIGXCPU, sigterm_handler);
548 /* read a key without blocking */
549 static int read_key(void)
561 n = select(1, &rfds, NULL, NULL, &tv);
576 static int decode_interrupt_cb(void)
578 return q_pressed || (q_pressed = read_key() == 'q');
581 static int av_exit(int ret)
586 for(i=0;i<nb_output_files;i++) {
587 /* maybe av_close_output_file ??? */
588 AVFormatContext *s = output_files[i];
590 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
592 for(j=0;j<s->nb_streams;j++) {
593 av_metadata_free(&s->streams[j]->metadata);
594 av_free(s->streams[j]->codec);
595 av_free(s->streams[j]);
597 for(j=0;j<s->nb_programs;j++) {
598 av_metadata_free(&s->programs[j]->metadata);
600 for(j=0;j<s->nb_chapters;j++) {
601 av_metadata_free(&s->chapters[j]->metadata);
603 av_metadata_free(&s->metadata);
606 for(i=0;i<nb_input_files;i++)
607 av_close_input_file(input_files[i]);
609 av_free(intra_matrix);
610 av_free(inter_matrix);
614 av_free(vstats_filename);
618 av_free(video_codec_name);
619 av_free(audio_codec_name);
620 av_free(subtitle_codec_name);
622 av_free(video_standard);
624 for (i=0;i<AVMEDIA_TYPE_NB;i++)
625 av_free(avcodec_opts[i]);
626 av_free(avformat_opts);
630 allocated_audio_buf_size= allocated_audio_out_size= 0;
637 if (received_sigterm) {
639 "Received signal %d: terminating.\n",
640 (int) received_sigterm);
644 exit(ret); /* not all OS-es handle main() return value */
648 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
650 if(codec && codec->sample_fmts){
651 const enum SampleFormat *p= codec->sample_fmts;
653 if(*p == st->codec->sample_fmt)
657 st->codec->sample_fmt = codec->sample_fmts[0];
661 static void choose_sample_rate(AVStream *st, AVCodec *codec)
663 if(codec && codec->supported_samplerates){
664 const int *p= codec->supported_samplerates;
666 int best_dist=INT_MAX;
668 int dist= abs(st->codec->sample_rate - *p);
669 if(dist < best_dist){
675 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
677 st->codec->sample_rate= best;
681 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
683 if(codec && codec->pix_fmts){
684 const enum PixelFormat *p= codec->pix_fmts;
686 if(*p == st->codec->pix_fmt)
690 && !( st->codec->codec_id==CODEC_ID_MJPEG
691 && st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL
692 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
693 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
694 st->codec->pix_fmt = codec->pix_fmts[0];
698 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
704 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
707 /* copy stream format */
708 s->nb_streams = ic->nb_streams;
709 for(i=0;i<ic->nb_streams;i++) {
713 // FIXME: a more elegant solution is needed
714 st = av_mallocz(sizeof(AVStream));
715 memcpy(st, ic->streams[i], sizeof(AVStream));
716 st->codec = avcodec_alloc_context();
718 print_error(filename, AVERROR(ENOMEM));
721 avcodec_copy_context(st->codec, ic->streams[i]->codec);
724 codec = avcodec_find_encoder(st->codec->codec_id);
725 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
726 if (audio_stream_copy) {
729 choose_sample_fmt(st, codec);
730 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
731 if (video_stream_copy) {
734 choose_pixel_fmt(st, codec);
737 if(!st->codec->thread_count)
738 st->codec->thread_count = 1;
739 if(st->codec->thread_count>1)
740 avcodec_thread_init(st->codec, st->codec->thread_count);
742 if(st->codec->flags & CODEC_FLAG_BITEXACT)
747 s->timestamp = av_gettime();
749 av_close_input_file(ic);
754 get_sync_ipts(const AVOutputStream *ost)
756 const AVInputStream *ist = ost->sync_ist;
757 return (double)(ist->pts - start_time)/AV_TIME_BASE;
760 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
764 AVPacket new_pkt= *pkt;
765 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
766 &new_pkt.data, &new_pkt.size,
767 pkt->data, pkt->size,
768 pkt->flags & AV_PKT_FLAG_KEY);
771 new_pkt.destruct= av_destruct_packet;
773 fprintf(stderr, "%s failed for stream %d, codec %s",
774 bsfc->filter->name, pkt->stream_index,
775 avctx->codec ? avctx->codec->name : "copy");
785 ret= av_interleaved_write_frame(s, pkt);
787 print_error("av_interleaved_write_frame()", ret);
792 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
794 static void do_audio_out(AVFormatContext *s,
797 unsigned char *buf, int size)
800 int64_t audio_out_size, audio_buf_size;
801 int64_t allocated_for_size= size;
803 int size_out, frame_bytes, ret;
804 AVCodecContext *enc= ost->st->codec;
805 AVCodecContext *dec= ist->st->codec;
806 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
807 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
808 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
811 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
812 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
813 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
814 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
815 audio_buf_size*= osize*enc->channels;
817 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
818 if(coded_bps > 8*osize)
819 audio_out_size= audio_out_size * coded_bps / (8*osize);
820 audio_out_size += FF_MIN_BUFFER_SIZE;
822 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
823 fprintf(stderr, "Buffer sizes too large\n");
827 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
828 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
829 if (!audio_buf || !audio_out){
830 fprintf(stderr, "Out of memory in do_audio_out\n");
834 if (enc->channels != dec->channels)
835 ost->audio_resample = 1;
837 if (ost->audio_resample && !ost->resample) {
838 if (dec->sample_fmt != SAMPLE_FMT_S16)
839 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
840 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
841 enc->sample_rate, dec->sample_rate,
842 enc->sample_fmt, dec->sample_fmt,
844 if (!ost->resample) {
845 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
846 dec->channels, dec->sample_rate,
847 enc->channels, enc->sample_rate);
852 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
853 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
854 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
855 if (ost->reformat_ctx)
856 av_audio_convert_free(ost->reformat_ctx);
857 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
858 dec->sample_fmt, 1, NULL, 0);
859 if (!ost->reformat_ctx) {
860 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
861 avcodec_get_sample_fmt_name(dec->sample_fmt),
862 avcodec_get_sample_fmt_name(enc->sample_fmt));
865 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
868 if(audio_sync_method){
869 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
870 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
871 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
872 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
874 //FIXME resample delay
875 if(fabs(delta) > 50){
876 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
878 byte_delta= FFMAX(byte_delta, -size);
882 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
887 static uint8_t *input_tmp= NULL;
888 input_tmp= av_realloc(input_tmp, byte_delta + size);
890 if(byte_delta > allocated_for_size - size){
891 allocated_for_size= byte_delta + (int64_t)size;
896 memset(input_tmp, 0, byte_delta);
897 memcpy(input_tmp + byte_delta, buf, size);
901 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
903 }else if(audio_sync_method>1){
904 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
905 assert(ost->audio_resample);
907 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
908 // 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));
909 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
913 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
914 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
916 if (ost->audio_resample) {
918 size_out = audio_resample(ost->resample,
919 (short *)buftmp, (short *)buf,
920 size / (ist->st->codec->channels * isize));
921 size_out = size_out * enc->channels * osize;
927 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
928 const void *ibuf[6]= {buftmp};
929 void *obuf[6]= {audio_buf};
930 int istride[6]= {isize};
931 int ostride[6]= {osize};
932 int len= size_out/istride[0];
933 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
934 printf("av_audio_convert() failed\n");
940 size_out = len*osize;
943 /* now encode as many frames as possible */
944 if (enc->frame_size > 1) {
945 /* output resampled raw samples */
946 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
947 fprintf(stderr, "av_fifo_realloc2() failed\n");
950 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
952 frame_bytes = enc->frame_size * osize * enc->channels;
954 while (av_fifo_size(ost->fifo) >= frame_bytes) {
956 av_init_packet(&pkt);
958 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
960 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
962 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
965 fprintf(stderr, "Audio encoding failed\n");
969 pkt.stream_index= ost->index;
972 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
973 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
974 pkt.flags |= AV_PKT_FLAG_KEY;
975 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
977 ost->sync_opts += enc->frame_size;
981 av_init_packet(&pkt);
983 ost->sync_opts += size_out / (osize * enc->channels);
985 /* output a pcm frame */
986 /* determine the size of the coded buffer */
989 size_out = size_out*coded_bps/8;
991 if(size_out > audio_out_size){
992 fprintf(stderr, "Internal error, buffer size too small\n");
996 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
997 ret = avcodec_encode_audio(enc, audio_out, size_out,
1000 fprintf(stderr, "Audio encoding failed\n");
1004 pkt.stream_index= ost->index;
1005 pkt.data= audio_out;
1007 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1008 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1009 pkt.flags |= AV_PKT_FLAG_KEY;
1010 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1014 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1016 AVCodecContext *dec;
1017 AVPicture *picture2;
1018 AVPicture picture_tmp;
1021 dec = ist->st->codec;
1023 /* deinterlace : must be done before any resize */
1024 if (do_deinterlace) {
1027 /* create temporary picture */
1028 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1029 buf = av_malloc(size);
1033 picture2 = &picture_tmp;
1034 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1036 if(avpicture_deinterlace(picture2, picture,
1037 dec->pix_fmt, dec->width, dec->height) < 0) {
1038 /* if error, do not deinterlace */
1039 fprintf(stderr, "Deinterlacing failed\n");
1048 if (picture != picture2)
1049 *picture = *picture2;
1053 /* we begin to correct av delay at this threshold */
1054 #define AV_DELAY_MAX 0.100
1056 static void do_subtitle_out(AVFormatContext *s,
1057 AVOutputStream *ost,
1062 static uint8_t *subtitle_out = NULL;
1063 int subtitle_out_max_size = 1024 * 1024;
1064 int subtitle_out_size, nb, i;
1065 AVCodecContext *enc;
1068 if (pts == AV_NOPTS_VALUE) {
1069 fprintf(stderr, "Subtitle packets must have a pts\n");
1075 enc = ost->st->codec;
1077 if (!subtitle_out) {
1078 subtitle_out = av_malloc(subtitle_out_max_size);
1081 /* Note: DVB subtitle need one packet to draw them and one other
1082 packet to clear them */
1083 /* XXX: signal it in the codec context ? */
1084 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1089 for(i = 0; i < nb; i++) {
1090 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1091 // start_display_time is required to be 0
1092 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1093 sub->end_display_time -= sub->start_display_time;
1094 sub->start_display_time = 0;
1095 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1096 subtitle_out_max_size, sub);
1097 if (subtitle_out_size < 0) {
1098 fprintf(stderr, "Subtitle encoding failed\n");
1102 av_init_packet(&pkt);
1103 pkt.stream_index = ost->index;
1104 pkt.data = subtitle_out;
1105 pkt.size = subtitle_out_size;
1106 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1107 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1108 /* XXX: the pts correction is handled here. Maybe handling
1109 it in the codec would be better */
1111 pkt.pts += 90 * sub->start_display_time;
1113 pkt.pts += 90 * sub->end_display_time;
1115 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1119 static int bit_buffer_size= 1024*256;
1120 static uint8_t *bit_buffer= NULL;
1122 static void do_video_out(AVFormatContext *s,
1123 AVOutputStream *ost,
1125 AVFrame *in_picture,
1128 int nb_frames, i, ret;
1129 #if !CONFIG_AVFILTER
1130 int64_t topBand, bottomBand, leftBand, rightBand;
1132 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1133 AVFrame picture_crop_temp, picture_pad_temp;
1134 AVCodecContext *enc, *dec;
1137 avcodec_get_frame_defaults(&picture_crop_temp);
1138 avcodec_get_frame_defaults(&picture_pad_temp);
1140 enc = ost->st->codec;
1141 dec = ist->st->codec;
1143 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1145 /* by default, we output a single frame */
1150 if(video_sync_method){
1151 double vdelta = sync_ipts - ost->sync_opts;
1152 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1155 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1158 }else if(vdelta>0.6)
1159 ost->sync_opts= lrintf(sync_ipts);
1160 }else if (vdelta > 1.1)
1161 nb_frames = lrintf(vdelta);
1162 //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);
1163 if (nb_frames == 0){
1166 fprintf(stderr, "*** drop!\n");
1167 }else if (nb_frames > 1) {
1168 nb_frames_dup += nb_frames - 1;
1170 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1173 ost->sync_opts= lrintf(sync_ipts);
1175 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1180 formatted_picture = in_picture;
1182 if (ost->video_crop) {
1183 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1184 fprintf(stderr, "error cropping picture\n");
1189 formatted_picture = &picture_crop_temp;
1191 formatted_picture = in_picture;
1195 final_picture = formatted_picture;
1196 padding_src = formatted_picture;
1197 resampling_dst = &ost->pict_tmp;
1199 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1200 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1201 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1203 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));
1204 if(!ost->video_resample)
1208 #if !CONFIG_AVFILTER
1209 if (ost->video_resample) {
1211 final_picture = &ost->pict_tmp;
1212 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1213 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1214 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1216 /* keep bands proportional to the frame size */
1217 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1218 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1219 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1220 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1222 /* sanity check to ensure no bad band sizes sneak in */
1223 assert(topBand <= INT_MAX && topBand >= 0);
1224 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1225 assert(leftBand <= INT_MAX && leftBand >= 0);
1226 assert(rightBand <= INT_MAX && rightBand >= 0);
1228 ost->topBand = topBand;
1229 ost->bottomBand = bottomBand;
1230 ost->leftBand = leftBand;
1231 ost->rightBand = rightBand;
1233 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1234 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1235 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1237 /* initialize a new scaler context */
1238 sws_freeContext(ost->img_resample_ctx);
1239 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1240 ost->img_resample_ctx = sws_getContext(
1241 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1242 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1243 ist->st->codec->pix_fmt,
1244 ost->st->codec->width,
1245 ost->st->codec->height,
1246 ost->st->codec->pix_fmt,
1247 sws_flags, NULL, NULL, NULL);
1248 if (ost->img_resample_ctx == NULL) {
1249 fprintf(stderr, "Cannot get resampling context\n");
1253 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1254 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1258 /* duplicates frame if needed */
1259 for(i=0;i<nb_frames;i++) {
1261 av_init_packet(&pkt);
1262 pkt.stream_index= ost->index;
1264 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1265 /* raw pictures are written as AVPicture structure to
1266 avoid any copies. We support temorarily the older
1268 AVFrame* old_frame = enc->coded_frame;
1269 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1270 pkt.data= (uint8_t *)final_picture;
1271 pkt.size= sizeof(AVPicture);
1272 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1273 pkt.flags |= AV_PKT_FLAG_KEY;
1275 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1276 enc->coded_frame = old_frame;
1278 AVFrame big_picture;
1280 big_picture= *final_picture;
1281 /* better than nothing: use input picture interlaced
1283 big_picture.interlaced_frame = in_picture->interlaced_frame;
1284 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1285 if(top_field_first == -1)
1286 big_picture.top_field_first = in_picture->top_field_first;
1288 big_picture.top_field_first = top_field_first;
1291 /* handles sameq here. This is not correct because it may
1292 not be a global option */
1294 big_picture.quality = ist->st->quality;
1296 big_picture.quality = ost->st->quality;
1298 big_picture.pict_type = 0;
1299 // big_picture.pts = AV_NOPTS_VALUE;
1300 big_picture.pts= ost->sync_opts;
1301 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1302 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1303 ret = avcodec_encode_video(enc,
1304 bit_buffer, bit_buffer_size,
1307 fprintf(stderr, "Video encoding failed\n");
1312 pkt.data= bit_buffer;
1314 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1315 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1316 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1317 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1318 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1320 if(enc->coded_frame->key_frame)
1321 pkt.flags |= AV_PKT_FLAG_KEY;
1322 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1325 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1326 // enc->frame_number-1, ret, enc->pict_type);
1327 /* if two pass, output log */
1328 if (ost->logfile && enc->stats_out) {
1329 fprintf(ost->logfile, "%s", enc->stats_out);
1334 ost->frame_number++;
1338 static double psnr(double d){
1339 return -10.0*log(d)/log(10.0);
1342 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1345 AVCodecContext *enc;
1347 double ti1, bitrate, avg_bitrate;
1349 /* this is executed just the first time do_video_stats is called */
1351 vstats_file = fopen(vstats_filename, "w");
1358 enc = ost->st->codec;
1359 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1360 frame_number = ost->frame_number;
1361 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1362 if (enc->flags&CODEC_FLAG_PSNR)
1363 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1365 fprintf(vstats_file,"f_size= %6d ", frame_size);
1366 /* compute pts value */
1367 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1371 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1372 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1373 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1374 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1375 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1379 static void print_report(AVFormatContext **output_files,
1380 AVOutputStream **ost_table, int nb_ostreams,
1384 AVOutputStream *ost;
1385 AVFormatContext *oc;
1387 AVCodecContext *enc;
1388 int frame_number, vid, i;
1389 double bitrate, ti1, pts;
1390 static int64_t last_time = -1;
1391 static int qp_histogram[52];
1393 if (!is_last_report) {
1395 /* display the report every 0.5 seconds */
1396 cur_time = av_gettime();
1397 if (last_time == -1) {
1398 last_time = cur_time;
1401 if ((cur_time - last_time) < 500000)
1403 last_time = cur_time;
1407 oc = output_files[0];
1409 total_size = url_fsize(oc->pb);
1410 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1411 total_size= url_ftell(oc->pb);
1416 for(i=0;i<nb_ostreams;i++) {
1418 enc = ost->st->codec;
1419 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1420 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1421 !ost->st->stream_copy ?
1422 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1424 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1425 float t = (av_gettime()-timer_start) / 1000000.0;
1427 frame_number = ost->frame_number;
1428 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1429 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1430 !ost->st->stream_copy ?
1431 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1433 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1436 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1437 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1440 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1442 if (enc->flags&CODEC_FLAG_PSNR){
1444 double error, error_sum=0;
1445 double scale, scale_sum=0;
1446 char type[3]= {'Y','U','V'};
1447 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1450 error= enc->error[j];
1451 scale= enc->width*enc->height*255.0*255.0*frame_number;
1453 error= enc->coded_frame->error[j];
1454 scale= enc->width*enc->height*255.0*255.0;
1459 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1461 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1465 /* compute min output value */
1466 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1467 if ((pts < ti1) && (pts > 0))
1473 if (verbose || is_last_report) {
1474 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1476 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1477 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1478 (double)total_size / 1024, ti1, bitrate);
1480 if (nb_frames_dup || nb_frames_drop)
1481 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1482 nb_frames_dup, nb_frames_drop);
1485 fprintf(stderr, "%s \r", buf);
1490 if (is_last_report && verbose >= 0){
1491 int64_t raw= audio_size + video_size + extra_size;
1492 fprintf(stderr, "\n");
1493 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1497 100.0*(total_size - raw)/raw
1502 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1503 static int output_packet(AVInputStream *ist, int ist_index,
1504 AVOutputStream **ost_table, int nb_ostreams,
1505 const AVPacket *pkt)
1507 AVFormatContext *os;
1508 AVOutputStream *ost;
1512 void *buffer_to_free;
1513 static unsigned int samples_size= 0;
1514 AVSubtitle subtitle, *subtitle_to_free;
1516 int frame_available;
1520 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1522 if(ist->next_pts == AV_NOPTS_VALUE)
1523 ist->next_pts= ist->pts;
1527 av_init_packet(&avpkt);
1535 if(pkt->dts != AV_NOPTS_VALUE)
1536 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1538 //while we have more to decode or while the decoder did output something on EOF
1539 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1540 uint8_t *data_buf, *decoded_data_buf;
1541 int data_size, decoded_data_size;
1543 ist->pts= ist->next_pts;
1545 if(avpkt.size && avpkt.size != pkt->size &&
1546 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1547 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1548 ist->showed_multi_packet_warning=1;
1551 /* decode the packet if needed */
1552 decoded_data_buf = NULL; /* fail safe */
1553 decoded_data_size= 0;
1554 data_buf = avpkt.data;
1555 data_size = avpkt.size;
1556 subtitle_to_free = NULL;
1557 if (ist->decoding_needed) {
1558 switch(ist->st->codec->codec_type) {
1559 case AVMEDIA_TYPE_AUDIO:{
1560 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1561 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1563 samples= av_malloc(samples_size);
1565 decoded_data_size= samples_size;
1566 /* XXX: could avoid copy if PCM 16 bits with same
1567 endianness as CPU */
1568 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1575 /* Some bug in mpeg audio decoder gives */
1576 /* decoded_data_size < 0, it seems they are overflows */
1577 if (decoded_data_size <= 0) {
1578 /* no audio frame */
1581 decoded_data_buf = (uint8_t *)samples;
1582 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1583 (ist->st->codec->sample_rate * ist->st->codec->channels);
1585 case AVMEDIA_TYPE_VIDEO:
1586 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1587 /* XXX: allocate picture correctly */
1588 avcodec_get_frame_defaults(&picture);
1590 ret = avcodec_decode_video2(ist->st->codec,
1591 &picture, &got_picture, &avpkt);
1592 ist->st->quality= picture.quality;
1596 /* no picture yet */
1597 goto discard_packet;
1599 if (ist->st->codec->time_base.num != 0) {
1600 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1601 ist->next_pts += ((int64_t)AV_TIME_BASE *
1602 ist->st->codec->time_base.num * ticks) /
1603 ist->st->codec->time_base.den;
1607 case AVMEDIA_TYPE_SUBTITLE:
1608 ret = avcodec_decode_subtitle2(ist->st->codec,
1609 &subtitle, &got_picture, &avpkt);
1613 goto discard_packet;
1615 subtitle_to_free = &subtitle;
1622 switch(ist->st->codec->codec_type) {
1623 case AVMEDIA_TYPE_AUDIO:
1624 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1625 ist->st->codec->sample_rate;
1627 case AVMEDIA_TYPE_VIDEO:
1628 if (ist->st->codec->time_base.num != 0) {
1629 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1630 ist->next_pts += ((int64_t)AV_TIME_BASE *
1631 ist->st->codec->time_base.num * ticks) /
1632 ist->st->codec->time_base.den;
1640 buffer_to_free = NULL;
1641 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1642 pre_process_video_frame(ist, (AVPicture *)&picture,
1647 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1648 // add it to be filtered
1649 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1651 ist->st->codec->sample_aspect_ratio);
1655 // preprocess audio (volume)
1656 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1657 if (audio_volume != 256) {
1660 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1661 int v = ((*volp) * audio_volume + 128) >> 8;
1662 if (v < -32768) v = -32768;
1663 if (v > 32767) v = 32767;
1669 /* frame rate emulation */
1671 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1672 int64_t now = av_gettime() - ist->start;
1677 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1678 !ist->out_video_filter || avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1680 /* if output time reached then transcode raw format,
1681 encode packets and output them */
1682 if (start_time == 0 || ist->pts >= start_time)
1684 while (frame_available) {
1685 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->out_video_filter)
1686 get_filtered_video_pic(ist->out_video_filter, &ist->picref, &picture, &ist->pts);
1688 for(i=0;i<nb_ostreams;i++) {
1692 if (ost->source_index == ist_index) {
1693 os = output_files[ost->file_index];
1695 /* set the input output pts pairs */
1696 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1698 if (ost->encoding_needed) {
1699 assert(ist->decoding_needed);
1700 switch(ost->st->codec->codec_type) {
1701 case AVMEDIA_TYPE_AUDIO:
1702 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1704 case AVMEDIA_TYPE_VIDEO:
1706 ost->st->codec->sample_aspect_ratio = ist->picref->pixel_aspect;
1708 do_video_out(os, ost, ist, &picture, &frame_size);
1709 if (vstats_filename && frame_size)
1710 do_video_stats(os, ost, frame_size);
1712 case AVMEDIA_TYPE_SUBTITLE:
1713 do_subtitle_out(os, ost, ist, &subtitle,
1720 AVFrame avframe; //FIXME/XXX remove this
1722 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1724 av_init_packet(&opkt);
1726 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1729 /* no reencoding needed : output the packet directly */
1730 /* force the input stream PTS */
1732 avcodec_get_frame_defaults(&avframe);
1733 ost->st->codec->coded_frame= &avframe;
1734 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1736 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1737 audio_size += data_size;
1738 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1739 video_size += data_size;
1743 opkt.stream_index= ost->index;
1744 if(pkt->pts != AV_NOPTS_VALUE)
1745 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1747 opkt.pts= AV_NOPTS_VALUE;
1749 if (pkt->dts == AV_NOPTS_VALUE)
1750 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1752 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1753 opkt.dts -= ost_tb_start_time;
1755 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1756 opkt.flags= pkt->flags;
1758 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1759 if( ost->st->codec->codec_id != CODEC_ID_H264
1760 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1761 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1763 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1764 opkt.destruct= av_destruct_packet;
1766 opkt.data = data_buf;
1767 opkt.size = data_size;
1770 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1771 ost->st->codec->frame_number++;
1772 ost->frame_number++;
1773 av_free_packet(&opkt);
1779 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1780 ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1782 avfilter_unref_pic(ist->picref);
1785 av_free(buffer_to_free);
1786 /* XXX: allocate the subtitles in the codec ? */
1787 if (subtitle_to_free) {
1788 if (subtitle_to_free->rects != NULL) {
1789 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1790 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1791 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1792 av_freep(&subtitle_to_free->rects[i]);
1794 av_freep(&subtitle_to_free->rects);
1796 subtitle_to_free->num_rects = 0;
1797 subtitle_to_free = NULL;
1804 for(i=0;i<nb_ostreams;i++) {
1806 if (ost->source_index == ist_index) {
1807 AVCodecContext *enc= ost->st->codec;
1808 os = output_files[ost->file_index];
1810 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1812 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1815 if (ost->encoding_needed) {
1819 av_init_packet(&pkt);
1820 pkt.stream_index= ost->index;
1822 switch(ost->st->codec->codec_type) {
1823 case AVMEDIA_TYPE_AUDIO:
1824 fifo_bytes = av_fifo_size(ost->fifo);
1826 /* encode any samples remaining in fifo */
1827 if (fifo_bytes > 0) {
1828 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1829 int fs_tmp = enc->frame_size;
1831 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1832 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1833 enc->frame_size = fifo_bytes / (osize * enc->channels);
1835 int frame_bytes = enc->frame_size*osize*enc->channels;
1836 if (allocated_audio_buf_size < frame_bytes)
1838 memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1841 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1842 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1843 ost->st->time_base.num, enc->sample_rate);
1844 enc->frame_size = fs_tmp;
1847 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1850 fprintf(stderr, "Audio encoding failed\n");
1854 pkt.flags |= AV_PKT_FLAG_KEY;
1856 case AVMEDIA_TYPE_VIDEO:
1857 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1859 fprintf(stderr, "Video encoding failed\n");
1863 if(enc->coded_frame && enc->coded_frame->key_frame)
1864 pkt.flags |= AV_PKT_FLAG_KEY;
1865 if (ost->logfile && enc->stats_out) {
1866 fprintf(ost->logfile, "%s", enc->stats_out);
1875 pkt.data= bit_buffer;
1877 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1878 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1879 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1891 static void print_sdp(AVFormatContext **avc, int n)
1895 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1896 printf("SDP:\n%s\n", sdp);
1900 static int copy_chapters(int infile, int outfile)
1902 AVFormatContext *is = input_files[infile];
1903 AVFormatContext *os = output_files[outfile];
1906 for (i = 0; i < is->nb_chapters; i++) {
1907 AVChapter *in_ch = is->chapters[i], *out_ch;
1908 AVMetadataTag *t = NULL;
1909 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1910 AV_TIME_BASE_Q, in_ch->time_base);
1911 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1912 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1915 if (in_ch->end < ts_off)
1917 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1920 out_ch = av_mallocz(sizeof(AVChapter));
1922 return AVERROR(ENOMEM);
1924 out_ch->id = in_ch->id;
1925 out_ch->time_base = in_ch->time_base;
1926 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1927 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1929 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1930 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1933 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1935 return AVERROR(ENOMEM);
1936 os->chapters[os->nb_chapters - 1] = out_ch;
1942 * The following code is the main loop of the file converter
1944 static int av_transcode(AVFormatContext **output_files,
1945 int nb_output_files,
1946 AVFormatContext **input_files,
1948 AVStreamMap *stream_maps, int nb_stream_maps)
1950 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1951 AVFormatContext *is, *os;
1952 AVCodecContext *codec, *icodec;
1953 AVOutputStream *ost, **ost_table = NULL;
1954 AVInputStream *ist, **ist_table = NULL;
1955 AVInputFile *file_table;
1959 uint8_t no_packet[MAX_FILES]={0};
1960 int no_packet_count=0;
1962 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1966 /* input stream init */
1968 for(i=0;i<nb_input_files;i++) {
1969 is = input_files[i];
1970 file_table[i].ist_index = j;
1971 file_table[i].nb_streams = is->nb_streams;
1972 j += is->nb_streams;
1976 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1980 for(i=0;i<nb_istreams;i++) {
1981 ist = av_mallocz(sizeof(AVInputStream));
1987 for(i=0;i<nb_input_files;i++) {
1988 is = input_files[i];
1989 for(k=0;k<is->nb_streams;k++) {
1990 ist = ist_table[j++];
1991 ist->st = is->streams[k];
1992 ist->file_index = i;
1994 ist->discard = 1; /* the stream is discarded by default
1998 ist->start = av_gettime();
2003 /* output stream init */
2005 for(i=0;i<nb_output_files;i++) {
2006 os = output_files[i];
2007 if (!os->nb_streams) {
2008 dump_format(output_files[i], i, output_files[i]->filename, 1);
2009 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2010 ret = AVERROR(EINVAL);
2013 nb_ostreams += os->nb_streams;
2015 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2016 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2017 ret = AVERROR(EINVAL);
2021 /* Sanity check the mapping args -- do the input files & streams exist? */
2022 for(i=0;i<nb_stream_maps;i++) {
2023 int fi = stream_maps[i].file_index;
2024 int si = stream_maps[i].stream_index;
2026 if (fi < 0 || fi > nb_input_files - 1 ||
2027 si < 0 || si > file_table[fi].nb_streams - 1) {
2028 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2029 ret = AVERROR(EINVAL);
2032 fi = stream_maps[i].sync_file_index;
2033 si = stream_maps[i].sync_stream_index;
2034 if (fi < 0 || fi > nb_input_files - 1 ||
2035 si < 0 || si > file_table[fi].nb_streams - 1) {
2036 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2037 ret = AVERROR(EINVAL);
2042 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2045 for(i=0;i<nb_ostreams;i++) {
2046 ost = av_mallocz(sizeof(AVOutputStream));
2053 for(k=0;k<nb_output_files;k++) {
2054 os = output_files[k];
2055 for(i=0;i<os->nb_streams;i++,n++) {
2058 ost->file_index = k;
2060 ost->st = os->streams[i];
2061 if (nb_stream_maps > 0) {
2062 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2063 stream_maps[n].stream_index;
2065 /* Sanity check that the stream types match */
2066 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2067 int i= ost->file_index;
2068 dump_format(output_files[i], i, output_files[i]->filename, 1);
2069 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2070 stream_maps[n].file_index, stream_maps[n].stream_index,
2071 ost->file_index, ost->index);
2076 int best_nb_frames=-1;
2077 /* get corresponding input stream index : we select the first one with the right type */
2079 for(j=0;j<nb_istreams;j++) {
2084 AVFormatContext *f= input_files[ ist->file_index ];
2086 for(pi=0; pi<f->nb_programs; pi++){
2087 AVProgram *p= f->programs[pi];
2088 if(p->id == opt_programid)
2089 for(si=0; si<p->nb_stream_indexes; si++){
2090 if(f->streams[ p->stream_index[si] ] == ist->st)
2095 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2096 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2097 if(best_nb_frames < ist->st->codec_info_nb_frames){
2098 best_nb_frames= ist->st->codec_info_nb_frames;
2099 ost->source_index = j;
2106 if(! opt_programid) {
2107 /* try again and reuse existing stream */
2108 for(j=0;j<nb_istreams;j++) {
2110 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2111 && ist->st->discard != AVDISCARD_ALL) {
2112 ost->source_index = j;
2118 int i= ost->file_index;
2119 dump_format(output_files[i], i, output_files[i]->filename, 1);
2120 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2121 ost->file_index, ost->index);
2126 ist = ist_table[ost->source_index];
2128 ost->sync_ist = (nb_stream_maps > 0) ?
2129 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2130 stream_maps[n].sync_stream_index] : ist;
2134 /* for each output stream, we compute the right encoding parameters */
2135 for(i=0;i<nb_ostreams;i++) {
2136 AVMetadataTag *t = NULL;
2138 os = output_files[ost->file_index];
2139 ist = ist_table[ost->source_index];
2141 codec = ost->st->codec;
2142 icodec = ist->st->codec;
2144 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2145 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2148 ost->st->disposition = ist->st->disposition;
2149 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2150 codec->chroma_sample_location = icodec->chroma_sample_location;
2152 if (ost->st->stream_copy) {
2153 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2155 if (extra_size > INT_MAX)
2158 /* if stream_copy is selected, no need to decode or encode */
2159 codec->codec_id = icodec->codec_id;
2160 codec->codec_type = icodec->codec_type;
2162 if(!codec->codec_tag){
2163 if( !os->oformat->codec_tag
2164 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2165 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2166 codec->codec_tag = icodec->codec_tag;
2169 codec->bit_rate = icodec->bit_rate;
2170 codec->extradata= av_mallocz(extra_size);
2171 if (!codec->extradata)
2173 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2174 codec->extradata_size= icodec->extradata_size;
2175 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
2176 codec->time_base = icodec->time_base;
2177 codec->time_base.num *= icodec->ticks_per_frame;
2178 av_reduce(&codec->time_base.num, &codec->time_base.den,
2179 codec->time_base.num, codec->time_base.den, INT_MAX);
2181 codec->time_base = ist->st->time_base;
2182 switch(codec->codec_type) {
2183 case AVMEDIA_TYPE_AUDIO:
2184 if(audio_volume != 256) {
2185 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2188 codec->channel_layout = icodec->channel_layout;
2189 codec->sample_rate = icodec->sample_rate;
2190 codec->channels = icodec->channels;
2191 codec->frame_size = icodec->frame_size;
2192 codec->block_align= icodec->block_align;
2193 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2194 codec->block_align= 0;
2195 if(codec->codec_id == CODEC_ID_AC3)
2196 codec->block_align= 0;
2198 case AVMEDIA_TYPE_VIDEO:
2199 codec->pix_fmt = icodec->pix_fmt;
2200 codec->width = icodec->width;
2201 codec->height = icodec->height;
2202 codec->has_b_frames = icodec->has_b_frames;
2204 case AVMEDIA_TYPE_SUBTITLE:
2205 codec->width = icodec->width;
2206 codec->height = icodec->height;
2212 switch(codec->codec_type) {
2213 case AVMEDIA_TYPE_AUDIO:
2214 ost->fifo= av_fifo_alloc(1024);
2217 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2218 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2219 icodec->request_channels = codec->channels;
2220 ist->decoding_needed = 1;
2221 ost->encoding_needed = 1;
2223 case AVMEDIA_TYPE_VIDEO:
2224 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2225 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2228 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2229 ost->video_resample = ((codec->width != icodec->width -
2230 (frame_leftBand + frame_rightBand)) ||
2231 (codec->height != icodec->height -
2232 (frame_topBand + frame_bottomBand)) ||
2233 (codec->pix_fmt != icodec->pix_fmt));
2234 if (ost->video_crop) {
2235 ost->topBand = ost->original_topBand = frame_topBand;
2236 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2237 ost->leftBand = ost->original_leftBand = frame_leftBand;
2238 ost->rightBand = ost->original_rightBand = frame_rightBand;
2240 if (ost->video_resample) {
2241 avcodec_get_frame_defaults(&ost->pict_tmp);
2242 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2243 codec->width, codec->height)) {
2244 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2247 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2248 ost->img_resample_ctx = sws_getContext(
2249 icodec->width - (frame_leftBand + frame_rightBand),
2250 icodec->height - (frame_topBand + frame_bottomBand),
2255 sws_flags, NULL, NULL, NULL);
2256 if (ost->img_resample_ctx == NULL) {
2257 fprintf(stderr, "Cannot get resampling context\n");
2261 #if !CONFIG_AVFILTER
2262 ost->original_height = icodec->height;
2263 ost->original_width = icodec->width;
2265 codec->bits_per_raw_sample= 0;
2267 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2268 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2269 ost->resample_pix_fmt= icodec->pix_fmt;
2270 ost->encoding_needed = 1;
2271 ist->decoding_needed = 1;
2274 if (configure_filters(ist, ost)) {
2275 fprintf(stderr, "Error opening filters!\n");
2280 case AVMEDIA_TYPE_SUBTITLE:
2281 ost->encoding_needed = 1;
2282 ist->decoding_needed = 1;
2289 if (ost->encoding_needed &&
2290 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2291 char logfilename[1024];
2294 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2295 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2297 if (codec->flags & CODEC_FLAG_PASS1) {
2298 f = fopen(logfilename, "wb");
2300 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2306 size_t logbuffer_size;
2307 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2308 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2311 codec->stats_in = logbuffer;
2315 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2316 int size= codec->width * codec->height;
2317 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2322 bit_buffer = av_malloc(bit_buffer_size);
2324 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2326 ret = AVERROR(ENOMEM);
2330 /* open each encoder */
2331 for(i=0;i<nb_ostreams;i++) {
2333 if (ost->encoding_needed) {
2334 AVCodec *codec = output_codecs[i];
2336 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2338 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2339 ost->st->codec->codec_id, ost->file_index, ost->index);
2340 ret = AVERROR(EINVAL);
2343 if (avcodec_open(ost->st->codec, codec) < 0) {
2344 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2345 ost->file_index, ost->index);
2346 ret = AVERROR(EINVAL);
2349 extra_size += ost->st->codec->extradata_size;
2353 /* open each decoder */
2354 for(i=0;i<nb_istreams;i++) {
2356 if (ist->decoding_needed) {
2357 AVCodec *codec = input_codecs[i];
2359 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2361 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2362 ist->st->codec->codec_id, ist->file_index, ist->index);
2363 ret = AVERROR(EINVAL);
2366 if (avcodec_open(ist->st->codec, codec) < 0) {
2367 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2368 ist->file_index, ist->index);
2369 ret = AVERROR(EINVAL);
2372 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2373 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2378 for(i=0;i<nb_istreams;i++) {
2382 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2383 ist->next_pts = AV_NOPTS_VALUE;
2387 /* set meta data information from input file if required */
2388 for (i=0;i<nb_meta_data_maps;i++) {
2389 AVFormatContext *out_file;
2390 AVFormatContext *in_file;
2391 AVMetadataTag *mtag;
2393 int out_file_index = meta_data_maps[i].out_file;
2394 int in_file_index = meta_data_maps[i].in_file;
2395 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2396 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2397 out_file_index, out_file_index, in_file_index);
2398 ret = AVERROR(EINVAL);
2401 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2402 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2403 in_file_index, out_file_index, in_file_index);
2404 ret = AVERROR(EINVAL);
2408 out_file = output_files[out_file_index];
2409 in_file = input_files[in_file_index];
2413 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2414 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2415 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2416 in_file->iformat->metadata_conv);
2419 /* copy chapters from the first input file that has them*/
2420 for (i = 0; i < nb_input_files; i++) {
2421 if (!input_files[i]->nb_chapters)
2424 for (j = 0; j < nb_output_files; j++)
2425 if ((ret = copy_chapters(i, j)) < 0)
2429 /* open files and write file headers */
2430 for(i=0;i<nb_output_files;i++) {
2431 os = output_files[i];
2432 if (av_write_header(os) < 0) {
2433 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2434 ret = AVERROR(EINVAL);
2437 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2443 /* dump the file output parameters - cannot be done before in case
2445 for(i=0;i<nb_output_files;i++) {
2446 dump_format(output_files[i], i, output_files[i]->filename, 1);
2449 /* dump the stream mapping */
2451 fprintf(stderr, "Stream mapping:\n");
2452 for(i=0;i<nb_ostreams;i++) {
2454 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2455 ist_table[ost->source_index]->file_index,
2456 ist_table[ost->source_index]->index,
2459 if (ost->sync_ist != ist_table[ost->source_index])
2460 fprintf(stderr, " [sync #%d.%d]",
2461 ost->sync_ist->file_index,
2462 ost->sync_ist->index);
2463 fprintf(stderr, "\n");
2468 fprintf(stderr, "%s\n", error);
2473 print_sdp(output_files, nb_output_files);
2476 if (!using_stdin && verbose >= 0) {
2477 fprintf(stderr, "Press [q] to stop encoding\n");
2478 url_set_interrupt_cb(decode_interrupt_cb);
2482 timer_start = av_gettime();
2484 for(; received_sigterm == 0;) {
2485 int file_index, ist_index;
2493 /* if 'q' pressed, exits */
2497 /* read_key() returns 0 on EOF */
2503 /* select the stream that we must read now by looking at the
2504 smallest output pts */
2506 for(i=0;i<nb_ostreams;i++) {
2509 os = output_files[ost->file_index];
2510 ist = ist_table[ost->source_index];
2511 if(ist->is_past_recording_time || no_packet[ist->file_index])
2513 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2514 ipts = (double)ist->pts;
2515 if (!file_table[ist->file_index].eof_reached){
2516 if(ipts < ipts_min) {
2518 if(input_sync ) file_index = ist->file_index;
2520 if(opts < opts_min) {
2522 if(!input_sync) file_index = ist->file_index;
2525 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2530 /* if none, if is finished */
2531 if (file_index < 0) {
2532 if(no_packet_count){
2534 memset(no_packet, 0, sizeof(no_packet));
2541 /* finish if limit size exhausted */
2542 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2545 /* read a frame from it and output it in the fifo */
2546 is = input_files[file_index];
2547 ret= av_read_frame(is, &pkt);
2548 if(ret == AVERROR(EAGAIN)){
2549 no_packet[file_index]=1;
2554 file_table[file_index].eof_reached = 1;
2562 memset(no_packet, 0, sizeof(no_packet));
2565 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2567 /* the following test is needed in case new streams appear
2568 dynamically in stream : we ignore them */
2569 if (pkt.stream_index >= file_table[file_index].nb_streams)
2570 goto discard_packet;
2571 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2572 ist = ist_table[ist_index];
2574 goto discard_packet;
2576 if (pkt.dts != AV_NOPTS_VALUE)
2577 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2578 if (pkt.pts != AV_NOPTS_VALUE)
2579 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2581 if(input_files_ts_scale[file_index][pkt.stream_index]){
2582 if(pkt.pts != AV_NOPTS_VALUE)
2583 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2584 if(pkt.dts != AV_NOPTS_VALUE)
2585 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2588 // 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);
2589 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2590 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2591 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2592 int64_t delta= pkt_dts - ist->next_pts;
2593 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2594 input_files_ts_offset[ist->file_index]-= delta;
2596 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2597 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2598 if(pkt.pts != AV_NOPTS_VALUE)
2599 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2603 /* finish if recording time exhausted */
2604 if (recording_time != INT64_MAX &&
2605 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2606 ist->is_past_recording_time = 1;
2607 goto discard_packet;
2610 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2611 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2614 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2615 ist->file_index, ist->index);
2618 av_free_packet(&pkt);
2623 av_free_packet(&pkt);
2625 /* dump report by using the output first video and audio streams */
2626 print_report(output_files, ost_table, nb_ostreams, 0);
2629 /* at the end of stream, we must flush the decoder buffers */
2630 for(i=0;i<nb_istreams;i++) {
2632 if (ist->decoding_needed) {
2633 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2639 /* write the trailer if needed and close file */
2640 for(i=0;i<nb_output_files;i++) {
2641 os = output_files[i];
2642 av_write_trailer(os);
2645 /* dump report by using the first video and audio streams */
2646 print_report(output_files, ost_table, nb_ostreams, 1);
2648 /* close each encoder */
2649 for(i=0;i<nb_ostreams;i++) {
2651 if (ost->encoding_needed) {
2652 av_freep(&ost->st->codec->stats_in);
2653 avcodec_close(ost->st->codec);
2657 /* close each decoder */
2658 for(i=0;i<nb_istreams;i++) {
2660 if (ist->decoding_needed) {
2661 avcodec_close(ist->st->codec);
2666 avfilter_graph_destroy(graph);
2675 av_freep(&bit_buffer);
2676 av_free(file_table);
2679 for(i=0;i<nb_istreams;i++) {
2686 for(i=0;i<nb_ostreams;i++) {
2689 if (ost->st->stream_copy)
2690 av_freep(&ost->st->codec->extradata);
2692 fclose(ost->logfile);
2693 ost->logfile = NULL;
2695 av_fifo_free(ost->fifo); /* works even if fifo is not
2696 initialized but set to zero */
2697 av_free(ost->pict_tmp.data[0]);
2698 if (ost->video_resample)
2699 sws_freeContext(ost->img_resample_ctx);
2701 audio_resample_close(ost->resample);
2702 if (ost->reformat_ctx)
2703 av_audio_convert_free(ost->reformat_ctx);
2712 static void opt_format(const char *arg)
2714 /* compatibility stuff for pgmyuv */
2715 if (!strcmp(arg, "pgmyuv")) {
2716 pgmyuv_compatibility_hack=1;
2717 // opt_image_format(arg);
2719 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2722 last_asked_format = arg;
2725 static void opt_video_rc_override_string(const char *arg)
2727 video_rc_override_string = arg;
2730 static int opt_me_threshold(const char *opt, const char *arg)
2732 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2736 static int opt_verbose(const char *opt, const char *arg)
2738 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2742 static int opt_frame_rate(const char *opt, const char *arg)
2744 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2745 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2751 static int opt_bitrate(const char *opt, const char *arg)
2753 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2755 opt_default(opt, arg);
2757 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2758 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2763 static void opt_frame_crop_top(const char *arg)
2765 frame_topBand = atoi(arg);
2766 if (frame_topBand < 0) {
2767 fprintf(stderr, "Incorrect top crop size\n");
2770 if ((frame_topBand) >= frame_height){
2771 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2774 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2775 frame_height -= frame_topBand;
2778 static void opt_frame_crop_bottom(const char *arg)
2780 frame_bottomBand = atoi(arg);
2781 if (frame_bottomBand < 0) {
2782 fprintf(stderr, "Incorrect bottom crop size\n");
2785 if ((frame_bottomBand) >= frame_height){
2786 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2789 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2790 frame_height -= frame_bottomBand;
2793 static void opt_frame_crop_left(const char *arg)
2795 frame_leftBand = atoi(arg);
2796 if (frame_leftBand < 0) {
2797 fprintf(stderr, "Incorrect left crop size\n");
2800 if ((frame_leftBand) >= frame_width){
2801 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2804 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2805 frame_width -= frame_leftBand;
2808 static void opt_frame_crop_right(const char *arg)
2810 frame_rightBand = atoi(arg);
2811 if (frame_rightBand < 0) {
2812 fprintf(stderr, "Incorrect right crop size\n");
2815 if ((frame_rightBand) >= frame_width){
2816 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2819 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2820 frame_width -= frame_rightBand;
2823 static void opt_frame_size(const char *arg)
2825 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2826 fprintf(stderr, "Incorrect frame size\n");
2831 static int opt_pad(const char *opt, const char *arg) {
2832 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2836 static void opt_frame_pix_fmt(const char *arg)
2838 if (strcmp(arg, "list")) {
2839 frame_pix_fmt = av_get_pix_fmt(arg);
2840 if (frame_pix_fmt == PIX_FMT_NONE) {
2841 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2850 static void opt_frame_aspect_ratio(const char *arg)
2857 p = strchr(arg, ':');
2859 x = strtol(arg, &end, 10);
2861 y = strtol(end+1, &end, 10);
2863 ar = (double)x / (double)y;
2865 ar = strtod(arg, NULL);
2868 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2871 frame_aspect_ratio = ar;
2874 static int opt_metadata(const char *opt, const char *arg)
2876 char *mid= strchr(arg, '=');
2879 fprintf(stderr, "Missing =\n");
2885 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2886 metadata[metadata_count-1].key = av_strdup(arg);
2887 metadata[metadata_count-1].value= av_strdup(mid);
2892 static void opt_qscale(const char *arg)
2894 video_qscale = atof(arg);
2895 if (video_qscale <= 0 ||
2896 video_qscale > 255) {
2897 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2902 static void opt_top_field_first(const char *arg)
2904 top_field_first= atoi(arg);
2907 static int opt_thread_count(const char *opt, const char *arg)
2909 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2912 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2917 static void opt_audio_sample_fmt(const char *arg)
2919 if (strcmp(arg, "list"))
2920 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2922 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2927 static int opt_audio_rate(const char *opt, const char *arg)
2929 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2933 static int opt_audio_channels(const char *opt, const char *arg)
2935 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2939 static void opt_video_channel(const char *arg)
2941 video_channel = strtol(arg, NULL, 0);
2944 static void opt_video_standard(const char *arg)
2946 video_standard = av_strdup(arg);
2949 static void opt_codec(int *pstream_copy, char **pcodec_name,
2950 int codec_type, const char *arg)
2952 av_freep(pcodec_name);
2953 if (!strcmp(arg, "copy")) {
2956 *pcodec_name = av_strdup(arg);
2960 static void opt_audio_codec(const char *arg)
2962 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2965 static void opt_audio_tag(const char *arg)
2968 audio_codec_tag= strtol(arg, &tail, 0);
2971 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2974 static void opt_video_tag(const char *arg)
2977 video_codec_tag= strtol(arg, &tail, 0);
2980 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2983 static void opt_video_codec(const char *arg)
2985 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2988 static void opt_subtitle_codec(const char *arg)
2990 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2993 static void opt_subtitle_tag(const char *arg)
2996 subtitle_codec_tag= strtol(arg, &tail, 0);
2999 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3002 static void opt_map(const char *arg)
3007 m = &stream_maps[nb_stream_maps++];
3009 m->file_index = strtol(arg, &p, 0);
3013 m->stream_index = strtol(p, &p, 0);
3016 m->sync_file_index = strtol(p, &p, 0);
3019 m->sync_stream_index = strtol(p, &p, 0);
3021 m->sync_file_index = m->file_index;
3022 m->sync_stream_index = m->stream_index;
3026 static void opt_map_meta_data(const char *arg)
3031 m = &meta_data_maps[nb_meta_data_maps++];
3033 m->out_file = strtol(arg, &p, 0);
3037 m->in_file = strtol(p, &p, 0);
3040 static void opt_input_ts_scale(const char *arg)
3042 unsigned int stream;
3046 stream = strtol(arg, &p, 0);
3049 scale= strtod(p, &p);
3051 if(stream >= MAX_STREAMS)
3054 input_files_ts_scale[nb_input_files][stream]= scale;
3057 static int opt_recording_time(const char *opt, const char *arg)
3059 recording_time = parse_time_or_die(opt, arg, 1);
3063 static int opt_start_time(const char *opt, const char *arg)
3065 start_time = parse_time_or_die(opt, arg, 1);
3069 static int opt_recording_timestamp(const char *opt, const char *arg)
3071 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3075 static int opt_input_ts_offset(const char *opt, const char *arg)
3077 input_ts_offset = parse_time_or_die(opt, arg, 1);
3081 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3083 const char *codec_string = encoder ? "encoder" : "decoder";
3087 return CODEC_ID_NONE;
3089 avcodec_find_encoder_by_name(name) :
3090 avcodec_find_decoder_by_name(name);
3092 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3095 if(codec->type != type) {
3096 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3099 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3100 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3101 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3102 "results.\nAdd '-strict experimental' if you want to use it.\n",
3103 codec_string, codec->name);
3105 avcodec_find_encoder(codec->id) :
3106 avcodec_find_decoder(codec->id);
3107 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3108 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3109 codec_string, codec->name);
3115 static void opt_input_file(const char *filename)
3117 AVFormatContext *ic;
3118 AVFormatParameters params, *ap = ¶ms;
3119 AVInputFormat *file_iformat = NULL;
3120 int err, i, ret, rfps, rfps_base;
3123 if (last_asked_format) {
3124 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3125 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3128 last_asked_format = NULL;
3131 if (!strcmp(filename, "-"))
3134 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3135 !strcmp(filename, "/dev/stdin");
3137 /* get default parameters from command line */
3138 ic = avformat_alloc_context();
3140 print_error(filename, AVERROR(ENOMEM));
3144 memset(ap, 0, sizeof(*ap));
3145 ap->prealloced_context = 1;
3146 ap->sample_rate = audio_sample_rate;
3147 ap->channels = audio_channels;
3148 ap->time_base.den = frame_rate.num;
3149 ap->time_base.num = frame_rate.den;
3150 ap->width = frame_width;
3151 ap->height = frame_height;
3152 ap->pix_fmt = frame_pix_fmt;
3153 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3154 ap->channel = video_channel;
3155 ap->standard = video_standard;
3157 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
3159 ic->video_codec_id =
3160 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3161 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3162 ic->audio_codec_id =
3163 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3164 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3165 ic->subtitle_codec_id=
3166 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3167 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3168 ic->flags |= AVFMT_FLAG_NONBLOCK;
3170 if(pgmyuv_compatibility_hack)
3171 ic->video_codec_id= CODEC_ID_PGMYUV;
3173 /* open the input file with generic libav function */
3174 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3176 print_error(filename, err);
3182 for(i=0; i<ic->nb_streams; i++){
3183 ic->streams[i]->discard= AVDISCARD_ALL;
3185 for(i=0; i<ic->nb_programs; i++){
3186 AVProgram *p= ic->programs[i];
3187 if(p->id != opt_programid){
3188 p->discard = AVDISCARD_ALL;
3191 for(j=0; j<p->nb_stream_indexes; j++){
3192 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3197 fprintf(stderr, "Specified program id not found\n");
3203 ic->loop_input = loop_input;
3205 /* If not enough info to get the stream parameters, we decode the
3206 first frames to get it. (used in mpeg case for example) */
3207 ret = av_find_stream_info(ic);
3208 if (ret < 0 && verbose >= 0) {
3209 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3210 av_close_input_file(ic);
3214 timestamp = start_time;
3215 /* add the stream start time */
3216 if (ic->start_time != AV_NOPTS_VALUE)
3217 timestamp += ic->start_time;
3219 /* if seeking requested, we execute it */
3220 if (start_time != 0) {
3221 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3223 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3224 filename, (double)timestamp / AV_TIME_BASE);
3226 /* reset seek info */
3230 /* update the current parameters so that they match the one of the input stream */
3231 for(i=0;i<ic->nb_streams;i++) {
3232 AVStream *st = ic->streams[i];
3233 AVCodecContext *enc = st->codec;
3234 avcodec_thread_init(enc, thread_count);
3235 switch(enc->codec_type) {
3236 case AVMEDIA_TYPE_AUDIO:
3237 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3238 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3239 channel_layout = enc->channel_layout;
3240 audio_channels = enc->channels;
3241 audio_sample_rate = enc->sample_rate;
3242 audio_sample_fmt = enc->sample_fmt;
3243 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3245 st->discard= AVDISCARD_ALL;
3247 case AVMEDIA_TYPE_VIDEO:
3248 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3249 frame_height = enc->height;
3250 frame_width = enc->width;
3251 if(ic->streams[i]->sample_aspect_ratio.num)
3252 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3254 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3255 frame_aspect_ratio *= (float) enc->width / enc->height;
3256 frame_pix_fmt = enc->pix_fmt;
3257 rfps = ic->streams[i]->r_frame_rate.num;
3258 rfps_base = ic->streams[i]->r_frame_rate.den;
3260 enc->flags |= CODEC_FLAG_EMU_EDGE;
3261 frame_height >>= enc->lowres;
3262 frame_width >>= enc->lowres;
3265 enc->debug |= FF_DEBUG_MV;
3267 if (enc->time_base.den != rfps*enc->ticks_per_frame || enc->time_base.num != rfps_base) {
3270 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3271 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3273 (float)rfps / rfps_base, rfps, rfps_base);
3275 /* update the current frame rate to match the stream frame rate */
3276 frame_rate.num = rfps;
3277 frame_rate.den = rfps_base;
3279 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3281 st->discard= AVDISCARD_ALL;
3282 else if(video_discard)
3283 st->discard= video_discard;
3285 case AVMEDIA_TYPE_DATA:
3287 case AVMEDIA_TYPE_SUBTITLE:
3288 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3289 if(subtitle_disable)
3290 st->discard = AVDISCARD_ALL;
3292 case AVMEDIA_TYPE_ATTACHMENT:
3293 case AVMEDIA_TYPE_UNKNOWN:
3301 input_files[nb_input_files] = ic;
3302 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3303 /* dump the file content */
3305 dump_format(ic, nb_input_files, filename, 0);
3311 av_freep(&video_codec_name);
3312 av_freep(&audio_codec_name);
3313 av_freep(&subtitle_codec_name);
3316 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3317 int *has_subtitle_ptr)
3319 int has_video, has_audio, has_subtitle, i, j;
3320 AVFormatContext *ic;
3325 for(j=0;j<nb_input_files;j++) {
3326 ic = input_files[j];
3327 for(i=0;i<ic->nb_streams;i++) {
3328 AVCodecContext *enc = ic->streams[i]->codec;
3329 switch(enc->codec_type) {
3330 case AVMEDIA_TYPE_AUDIO:
3333 case AVMEDIA_TYPE_VIDEO:
3336 case AVMEDIA_TYPE_SUBTITLE:
3339 case AVMEDIA_TYPE_DATA:
3340 case AVMEDIA_TYPE_ATTACHMENT:
3341 case AVMEDIA_TYPE_UNKNOWN:
3348 *has_video_ptr = has_video;
3349 *has_audio_ptr = has_audio;
3350 *has_subtitle_ptr = has_subtitle;
3353 static void new_video_stream(AVFormatContext *oc)
3356 AVCodecContext *video_enc;
3357 enum CodecID codec_id;
3359 st = av_new_stream(oc, streamid_map[oc->nb_streams]);
3361 fprintf(stderr, "Could not alloc stream\n");
3364 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3365 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3366 video_bitstream_filters= NULL;
3368 avcodec_thread_init(st->codec, thread_count);
3370 video_enc = st->codec;
3373 video_enc->codec_tag= video_codec_tag;
3375 if( (video_global_header&1)
3376 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3377 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3378 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3380 if(video_global_header&2){
3381 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3382 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3385 if (video_stream_copy) {
3386 st->stream_copy = 1;
3387 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3388 video_enc->sample_aspect_ratio =
3389 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3394 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3396 if (video_codec_name) {
3397 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3398 video_enc->strict_std_compliance);
3399 codec = avcodec_find_encoder_by_name(video_codec_name);
3400 output_codecs[nb_ocodecs] = codec;
3402 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3403 codec = avcodec_find_encoder(codec_id);
3406 video_enc->codec_id = codec_id;
3408 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3410 if (codec && codec->supported_framerates && !force_fps)
3411 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3412 video_enc->time_base.den = fps.num;
3413 video_enc->time_base.num = fps.den;
3415 video_enc->width = frame_width;
3416 video_enc->height = frame_height;
3417 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3418 video_enc->pix_fmt = frame_pix_fmt;
3419 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3421 choose_pixel_fmt(st, codec);
3424 video_enc->gop_size = 0;
3425 if (video_qscale || same_quality) {
3426 video_enc->flags |= CODEC_FLAG_QSCALE;
3427 video_enc->global_quality=
3428 st->quality = FF_QP2LAMBDA * video_qscale;
3432 video_enc->intra_matrix = intra_matrix;
3434 video_enc->inter_matrix = inter_matrix;
3436 p= video_rc_override_string;
3439 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3441 fprintf(stderr, "error parsing rc_override\n");
3444 video_enc->rc_override=
3445 av_realloc(video_enc->rc_override,
3446 sizeof(RcOverride)*(i+1));
3447 video_enc->rc_override[i].start_frame= start;
3448 video_enc->rc_override[i].end_frame = end;
3450 video_enc->rc_override[i].qscale= q;
3451 video_enc->rc_override[i].quality_factor= 1.0;
3454 video_enc->rc_override[i].qscale= 0;
3455 video_enc->rc_override[i].quality_factor= -q/100.0;
3460 video_enc->rc_override_count=i;
3461 if (!video_enc->rc_initial_buffer_occupancy)
3462 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3463 video_enc->me_threshold= me_threshold;
3464 video_enc->intra_dc_precision= intra_dc_precision - 8;
3467 video_enc->flags|= CODEC_FLAG_PSNR;
3472 video_enc->flags |= CODEC_FLAG_PASS1;
3474 video_enc->flags |= CODEC_FLAG_PASS2;
3479 if (video_language) {
3480 av_metadata_set2(&st->metadata, "language", video_language, 0);
3481 av_freep(&video_language);
3484 /* reset some key parameters */
3486 av_freep(&video_codec_name);
3487 video_stream_copy = 0;
3488 frame_pix_fmt = PIX_FMT_NONE;
3491 static void new_audio_stream(AVFormatContext *oc)
3494 AVCodecContext *audio_enc;
3495 enum CodecID codec_id;
3497 st = av_new_stream(oc, streamid_map[oc->nb_streams]);
3499 fprintf(stderr, "Could not alloc stream\n");
3502 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
3504 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3505 audio_bitstream_filters= NULL;
3507 avcodec_thread_init(st->codec, thread_count);
3509 audio_enc = st->codec;
3510 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3513 audio_enc->codec_tag= audio_codec_tag;
3515 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3516 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3517 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3519 if (audio_stream_copy) {
3520 st->stream_copy = 1;
3521 audio_enc->channels = audio_channels;
3522 audio_enc->sample_rate = audio_sample_rate;
3526 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3528 if (audio_codec_name) {
3529 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3530 audio_enc->strict_std_compliance);
3531 codec = avcodec_find_encoder_by_name(audio_codec_name);
3532 output_codecs[nb_ocodecs] = codec;
3534 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3535 codec = avcodec_find_encoder(codec_id);
3537 audio_enc->codec_id = codec_id;
3539 if (audio_qscale > QSCALE_NONE) {
3540 audio_enc->flags |= CODEC_FLAG_QSCALE;
3541 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3543 audio_enc->channels = audio_channels;
3544 audio_enc->sample_fmt = audio_sample_fmt;
3545 audio_enc->sample_rate = audio_sample_rate;
3546 audio_enc->channel_layout = channel_layout;
3547 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3548 audio_enc->channel_layout = 0;
3549 choose_sample_fmt(st, codec);
3550 choose_sample_rate(st, codec);
3553 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3554 if (audio_language) {
3555 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3556 av_freep(&audio_language);
3559 /* reset some key parameters */
3561 av_freep(&audio_codec_name);
3562 audio_stream_copy = 0;
3565 static void new_subtitle_stream(AVFormatContext *oc)
3568 AVCodecContext *subtitle_enc;
3570 st = av_new_stream(oc, streamid_map[oc->nb_streams]);
3572 fprintf(stderr, "Could not alloc stream\n");
3575 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
3577 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3578 subtitle_bitstream_filters= NULL;
3580 subtitle_enc = st->codec;
3581 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3583 if(subtitle_codec_tag)
3584 subtitle_enc->codec_tag= subtitle_codec_tag;
3586 if (subtitle_stream_copy) {
3587 st->stream_copy = 1;
3589 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3590 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3591 subtitle_enc->strict_std_compliance);
3592 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3596 if (subtitle_language) {
3597 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3598 av_freep(&subtitle_language);
3601 subtitle_disable = 0;
3602 av_freep(&subtitle_codec_name);
3603 subtitle_stream_copy = 0;
3606 static void opt_new_audio_stream(void)
3608 AVFormatContext *oc;
3609 if (nb_output_files <= 0) {
3610 fprintf(stderr, "At least one output file must be specified\n");
3613 oc = output_files[nb_output_files - 1];
3614 new_audio_stream(oc);
3617 static void opt_new_video_stream(void)
3619 AVFormatContext *oc;
3620 if (nb_output_files <= 0) {
3621 fprintf(stderr, "At least one output file must be specified\n");
3624 oc = output_files[nb_output_files - 1];
3625 new_video_stream(oc);
3628 static void opt_new_subtitle_stream(void)
3630 AVFormatContext *oc;
3631 if (nb_output_files <= 0) {
3632 fprintf(stderr, "At least one output file must be specified\n");
3635 oc = output_files[nb_output_files - 1];
3636 new_subtitle_stream(oc);
3639 /* arg format is "output-stream-index:streamid-value". */
3640 static void opt_streamid(const char *opt, const char *arg)
3646 strncpy(idx_str, arg, sizeof(idx_str));
3647 idx_str[sizeof(idx_str)-1] = '\0';
3648 p = strchr(idx_str, ':');
3651 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3656 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3657 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3660 static void opt_output_file(const char *filename)
3662 AVFormatContext *oc;
3663 int err, use_video, use_audio, use_subtitle;
3664 int input_has_video, input_has_audio, input_has_subtitle;
3665 AVFormatParameters params, *ap = ¶ms;
3666 AVOutputFormat *file_oformat;
3668 if (!strcmp(filename, "-"))
3671 oc = avformat_alloc_context();
3673 print_error(filename, AVERROR(ENOMEM));
3677 if (last_asked_format) {
3678 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3679 if (!file_oformat) {
3680 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3683 last_asked_format = NULL;
3685 file_oformat = av_guess_format(NULL, filename, NULL);
3686 if (!file_oformat) {
3687 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3693 oc->oformat = file_oformat;
3694 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3696 if (!strcmp(file_oformat->name, "ffm") &&
3697 av_strstart(filename, "http:", NULL)) {
3698 /* special case for files sent to ffserver: we get the stream
3699 parameters from ffserver */
3700 int err = read_ffserver_streams(oc, filename);
3702 print_error(filename, err);
3706 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3707 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3708 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3710 /* disable if no corresponding type found and at least one
3712 if (nb_input_files > 0) {
3713 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3714 &input_has_subtitle);
3715 if (!input_has_video)
3717 if (!input_has_audio)
3719 if (!input_has_subtitle)
3723 /* manual disable */
3724 if (audio_disable) {
3727 if (video_disable) {
3730 if (subtitle_disable) {
3735 new_video_stream(oc);
3739 new_audio_stream(oc);
3743 new_subtitle_stream(oc);
3746 oc->timestamp = recording_timestamp;
3748 for(; metadata_count>0; metadata_count--){
3749 av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,
3750 metadata[metadata_count-1].value, 0);
3752 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3755 output_files[nb_output_files++] = oc;
3757 /* check filename in case of an image number is expected */
3758 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3759 if (!av_filename_number_test(oc->filename)) {
3760 print_error(oc->filename, AVERROR_NUMEXPECTED);
3765 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3766 /* test if it already exists to avoid loosing precious files */
3767 if (!file_overwrite &&
3768 (strchr(filename, ':') == NULL ||
3769 filename[1] == ':' ||
3770 av_strstart(filename, "file:", NULL))) {
3771 if (url_exist(filename)) {
3773 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3775 if (!read_yesno()) {
3776 fprintf(stderr, "Not overwriting - exiting\n");
3781 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3788 if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
3789 print_error(filename, err);
3794 memset(ap, 0, sizeof(*ap));
3795 if (av_set_parameters(oc, ap) < 0) {
3796 fprintf(stderr, "%s: Invalid encoding parameters\n",
3801 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3802 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3803 oc->loop_output = loop_output;
3804 oc->flags |= AVFMT_FLAG_NONBLOCK;
3806 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3808 memset(streamid_map, 0, sizeof(streamid_map));
3811 /* same option as mencoder */
3812 static void opt_pass(const char *pass_str)
3815 pass = atoi(pass_str);
3816 if (pass != 1 && pass != 2) {
3817 fprintf(stderr, "pass number can be only 1 or 2\n");
3823 static int64_t getutime(void)
3826 struct rusage rusage;
3828 getrusage(RUSAGE_SELF, &rusage);
3829 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3830 #elif HAVE_GETPROCESSTIMES
3832 FILETIME c, e, k, u;
3833 proc = GetCurrentProcess();
3834 GetProcessTimes(proc, &c, &e, &k, &u);
3835 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3837 return av_gettime();
3841 static int64_t getmaxrss(void)
3843 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3844 struct rusage rusage;
3845 getrusage(RUSAGE_SELF, &rusage);
3846 return (int64_t)rusage.ru_maxrss * 1024;
3847 #elif HAVE_GETPROCESSMEMORYINFO
3849 PROCESS_MEMORY_COUNTERS memcounters;
3850 proc = GetCurrentProcess();
3851 memcounters.cb = sizeof(memcounters);
3852 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3853 return memcounters.PeakPagefileUsage;
3859 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3862 const char *p = str;
3869 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3876 static void opt_inter_matrix(const char *arg)
3878 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3879 parse_matrix_coeffs(inter_matrix, arg);
3882 static void opt_intra_matrix(const char *arg)
3884 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3885 parse_matrix_coeffs(intra_matrix, arg);
3889 * Trivial log callback.
3890 * Only suitable for show_help and similar since it lacks prefix handling.
3892 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3894 vfprintf(stdout, fmt, vl);
3897 static void show_usage(void)
3899 printf("Hyper fast Audio and Video encoder\n");
3900 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3904 static void show_help(void)
3906 av_log_set_callback(log_callback_help);
3908 show_help_options(options, "Main options:\n",
3909 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3910 show_help_options(options, "\nAdvanced options:\n",
3911 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3913 show_help_options(options, "\nVideo options:\n",
3914 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3916 show_help_options(options, "\nAdvanced Video options:\n",
3917 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3918 OPT_VIDEO | OPT_EXPERT);
3919 show_help_options(options, "\nAudio options:\n",
3920 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3922 show_help_options(options, "\nAdvanced Audio options:\n",
3923 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3924 OPT_AUDIO | OPT_EXPERT);
3925 show_help_options(options, "\nSubtitle options:\n",
3926 OPT_SUBTITLE | OPT_GRAB,
3928 show_help_options(options, "\nAudio/Video grab options:\n",
3932 av_opt_show(avcodec_opts[0], NULL);
3934 av_opt_show(avformat_opts, NULL);
3936 av_opt_show(sws_opts, NULL);
3939 static void opt_target(const char *arg)
3941 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3942 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3944 if(!strncmp(arg, "pal-", 4)) {
3947 } else if(!strncmp(arg, "ntsc-", 5)) {
3950 } else if(!strncmp(arg, "film-", 5)) {
3955 /* Calculate FR via float to avoid int overflow */
3956 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3959 } else if((fr == 29970) || (fr == 23976)) {
3962 /* Try to determine PAL/NTSC by peeking in the input files */
3963 if(nb_input_files) {
3965 for(j = 0; j < nb_input_files; j++) {
3966 for(i = 0; i < input_files[j]->nb_streams; i++) {
3967 AVCodecContext *c = input_files[j]->streams[i]->codec;
3968 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3970 fr = c->time_base.den * 1000 / c->time_base.num;
3974 } else if((fr == 29970) || (fr == 23976)) {
3984 if(verbose && norm != UNKNOWN)
3985 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3988 if(norm == UNKNOWN) {
3989 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3990 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3991 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3995 if(!strcmp(arg, "vcd")) {
3997 opt_video_codec("mpeg1video");
3998 opt_audio_codec("mp2");
4001 opt_frame_size(norm == PAL ? "352x288" : "352x240");
4002 opt_frame_rate(NULL, frame_rates[norm]);
4003 opt_default("g", norm == PAL ? "15" : "18");
4005 opt_default("b", "1150000");
4006 opt_default("maxrate", "1150000");
4007 opt_default("minrate", "1150000");
4008 opt_default("bufsize", "327680"); // 40*1024*8;
4010 opt_default("ab", "224000");
4011 audio_sample_rate = 44100;
4014 opt_default("packetsize", "2324");
4015 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4017 /* We have to offset the PTS, so that it is consistent with the SCR.
4018 SCR starts at 36000, but the first two packs contain only padding
4019 and the first pack from the other stream, respectively, may also have
4020 been written before.
4021 So the real data starts at SCR 36000+3*1200. */
4022 mux_preload= (36000+3*1200) / 90000.0; //0.44
4023 } else if(!strcmp(arg, "svcd")) {
4025 opt_video_codec("mpeg2video");
4026 opt_audio_codec("mp2");
4029 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4030 opt_frame_rate(NULL, frame_rates[norm]);
4031 opt_default("g", norm == PAL ? "15" : "18");
4033 opt_default("b", "2040000");
4034 opt_default("maxrate", "2516000");
4035 opt_default("minrate", "0"); //1145000;
4036 opt_default("bufsize", "1835008"); //224*1024*8;
4037 opt_default("flags", "+scan_offset");
4040 opt_default("ab", "224000");
4041 audio_sample_rate = 44100;
4043 opt_default("packetsize", "2324");
4045 } else if(!strcmp(arg, "dvd")) {
4047 opt_video_codec("mpeg2video");
4048 opt_audio_codec("ac3");
4051 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4052 opt_frame_rate(NULL, frame_rates[norm]);
4053 opt_default("g", norm == PAL ? "15" : "18");
4055 opt_default("b", "6000000");
4056 opt_default("maxrate", "9000000");
4057 opt_default("minrate", "0"); //1500000;
4058 opt_default("bufsize", "1835008"); //224*1024*8;
4060 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4061 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4063 opt_default("ab", "448000");
4064 audio_sample_rate = 48000;
4066 } else if(!strncmp(arg, "dv", 2)) {
4070 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4071 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4072 (norm == PAL ? "yuv420p" : "yuv411p"));
4073 opt_frame_rate(NULL, frame_rates[norm]);
4075 audio_sample_rate = 48000;
4079 fprintf(stderr, "Unknown target: %s\n", arg);
4084 static void opt_vstats_file (const char *arg)
4086 av_free (vstats_filename);
4087 vstats_filename=av_strdup (arg);
4090 static void opt_vstats (void)
4093 time_t today2 = time(NULL);
4094 struct tm *today = localtime(&today2);
4096 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4098 opt_vstats_file(filename);
4101 static int opt_bsf(const char *opt, const char *arg)
4103 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4104 AVBitStreamFilterContext **bsfp;
4107 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4111 bsfp= *opt == 'v' ? &video_bitstream_filters :
4112 *opt == 'a' ? &audio_bitstream_filters :
4113 &subtitle_bitstream_filters;
4115 bsfp= &(*bsfp)->next;
4122 static int opt_preset(const char *opt, const char *arg)
4125 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4127 const char *base[3]= { getenv("FFMPEG_DATADIR"),
4133 for(i=0; i<3 && !f; i++){
4136 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
4137 f= fopen(filename, "r");
4139 char *codec_name= *opt == 'v' ? video_codec_name :
4140 *opt == 'a' ? audio_codec_name :
4141 subtitle_codec_name;
4142 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec_name, arg);
4143 f= fopen(filename, "r");
4147 av_strlcpy(filename, arg, sizeof(filename));
4148 f= fopen(filename, "r");
4152 fprintf(stderr, "File for preset '%s' not found\n", arg);
4157 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4158 if(line[0] == '#' && !e)
4160 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4162 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4165 if(!strcmp(tmp, "acodec")){
4166 opt_audio_codec(tmp2);
4167 }else if(!strcmp(tmp, "vcodec")){
4168 opt_video_codec(tmp2);
4169 }else if(!strcmp(tmp, "scodec")){
4170 opt_subtitle_codec(tmp2);
4171 }else if(opt_default(tmp, tmp2) < 0){
4172 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4182 static const OptionDef options[] = {
4184 #include "cmdutils_common_opts.h"
4185 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4186 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4187 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4188 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4189 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4190 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4191 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4192 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4193 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4194 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4195 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4196 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4197 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4198 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4199 "add timings for benchmarking" },
4200 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4201 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4202 "dump each input packet" },
4203 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4204 "when dumping packets, also dump the payload" },
4205 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4206 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4207 { "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)", "" },
4208 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4209 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4210 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4211 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4212 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4213 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4214 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4215 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4216 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4217 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4218 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4219 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4220 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4223 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4224 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4225 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4226 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4227 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4228 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4229 { "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" },
4230 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "Deprecated, please use the crop avfilter", "size" },
4231 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "Deprecated, please use the crop avfilter", "size" },
4232 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "Deprecated, please use the crop avfilter", "size" },
4233 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "Deprecated, please use the crop avfilter", "size" },
4234 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4235 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4236 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4237 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4238 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4239 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4240 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4241 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4242 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4243 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4244 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4245 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4246 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4247 "use same video quality as source (implies VBR)" },
4248 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4249 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4250 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4251 "deinterlace pictures" },
4252 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4253 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4254 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4256 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4258 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4259 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4260 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4261 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4262 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4263 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4264 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4265 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4266 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4267 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4270 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4271 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4272 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4273 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4274 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4275 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4276 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4277 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4278 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4279 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4280 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4281 { "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" },
4283 /* subtitle options */
4284 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4285 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4286 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4287 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4288 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4291 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4292 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4293 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4296 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4297 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4299 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4300 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4301 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4303 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4304 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4305 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4306 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4308 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4312 int main(int argc, char **argv)
4317 avcodec_register_all();
4319 avdevice_register_all();
4322 avfilter_register_all();
4327 if(isatty(STDIN_FILENO))
4328 url_set_interrupt_cb(decode_interrupt_cb);
4331 for(i=0; i<AVMEDIA_TYPE_NB; i++){
4332 avcodec_opts[i]= avcodec_alloc_context2(i);
4334 avformat_opts = avformat_alloc_context();
4335 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4340 parse_options(argc, argv, options, opt_output_file);
4342 if(nb_output_files <= 0 && nb_input_files == 0) {
4344 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4348 /* file converter / grab */
4349 if (nb_output_files <= 0) {
4350 fprintf(stderr, "At least one output file must be specified\n");
4354 if (nb_input_files == 0) {
4355 fprintf(stderr, "At least one input file must be specified\n");
4360 if (av_transcode(output_files, nb_output_files, input_files, nb_input_files,
4361 stream_maps, nb_stream_maps) < 0)
4363 ti = getutime() - ti;
4365 int maxrss = getmaxrss() / 1024;
4366 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);