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);
1777 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1778 ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1784 avfilter_unref_pic(ist->picref);
1787 av_free(buffer_to_free);
1788 /* XXX: allocate the subtitles in the codec ? */
1789 if (subtitle_to_free) {
1790 if (subtitle_to_free->rects != NULL) {
1791 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1792 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1793 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1794 av_freep(&subtitle_to_free->rects[i]);
1796 av_freep(&subtitle_to_free->rects);
1798 subtitle_to_free->num_rects = 0;
1799 subtitle_to_free = NULL;
1806 for(i=0;i<nb_ostreams;i++) {
1808 if (ost->source_index == ist_index) {
1809 AVCodecContext *enc= ost->st->codec;
1810 os = output_files[ost->file_index];
1812 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1814 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1817 if (ost->encoding_needed) {
1821 av_init_packet(&pkt);
1822 pkt.stream_index= ost->index;
1824 switch(ost->st->codec->codec_type) {
1825 case AVMEDIA_TYPE_AUDIO:
1826 fifo_bytes = av_fifo_size(ost->fifo);
1828 /* encode any samples remaining in fifo */
1829 if (fifo_bytes > 0) {
1830 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1831 int fs_tmp = enc->frame_size;
1833 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1834 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1835 enc->frame_size = fifo_bytes / (osize * enc->channels);
1837 int frame_bytes = enc->frame_size*osize*enc->channels;
1838 if (allocated_audio_buf_size < frame_bytes)
1840 memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1843 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1844 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1845 ost->st->time_base.num, enc->sample_rate);
1846 enc->frame_size = fs_tmp;
1849 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1852 fprintf(stderr, "Audio encoding failed\n");
1856 pkt.flags |= AV_PKT_FLAG_KEY;
1858 case AVMEDIA_TYPE_VIDEO:
1859 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1861 fprintf(stderr, "Video encoding failed\n");
1865 if(enc->coded_frame && enc->coded_frame->key_frame)
1866 pkt.flags |= AV_PKT_FLAG_KEY;
1867 if (ost->logfile && enc->stats_out) {
1868 fprintf(ost->logfile, "%s", enc->stats_out);
1877 pkt.data= bit_buffer;
1879 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1880 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1881 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1893 static void print_sdp(AVFormatContext **avc, int n)
1897 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1898 printf("SDP:\n%s\n", sdp);
1902 static int copy_chapters(int infile, int outfile)
1904 AVFormatContext *is = input_files[infile];
1905 AVFormatContext *os = output_files[outfile];
1908 for (i = 0; i < is->nb_chapters; i++) {
1909 AVChapter *in_ch = is->chapters[i], *out_ch;
1910 AVMetadataTag *t = NULL;
1911 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1912 AV_TIME_BASE_Q, in_ch->time_base);
1913 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1914 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1917 if (in_ch->end < ts_off)
1919 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1922 out_ch = av_mallocz(sizeof(AVChapter));
1924 return AVERROR(ENOMEM);
1926 out_ch->id = in_ch->id;
1927 out_ch->time_base = in_ch->time_base;
1928 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1929 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1931 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1932 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1935 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1937 return AVERROR(ENOMEM);
1938 os->chapters[os->nb_chapters - 1] = out_ch;
1944 * The following code is the main loop of the file converter
1946 static int av_transcode(AVFormatContext **output_files,
1947 int nb_output_files,
1948 AVFormatContext **input_files,
1950 AVStreamMap *stream_maps, int nb_stream_maps)
1952 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1953 AVFormatContext *is, *os;
1954 AVCodecContext *codec, *icodec;
1955 AVOutputStream *ost, **ost_table = NULL;
1956 AVInputStream *ist, **ist_table = NULL;
1957 AVInputFile *file_table;
1961 uint8_t no_packet[MAX_FILES]={0};
1962 int no_packet_count=0;
1964 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1968 /* input stream init */
1970 for(i=0;i<nb_input_files;i++) {
1971 is = input_files[i];
1972 file_table[i].ist_index = j;
1973 file_table[i].nb_streams = is->nb_streams;
1974 j += is->nb_streams;
1978 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1982 for(i=0;i<nb_istreams;i++) {
1983 ist = av_mallocz(sizeof(AVInputStream));
1989 for(i=0;i<nb_input_files;i++) {
1990 is = input_files[i];
1991 for(k=0;k<is->nb_streams;k++) {
1992 ist = ist_table[j++];
1993 ist->st = is->streams[k];
1994 ist->file_index = i;
1996 ist->discard = 1; /* the stream is discarded by default
2000 ist->start = av_gettime();
2005 /* output stream init */
2007 for(i=0;i<nb_output_files;i++) {
2008 os = output_files[i];
2009 if (!os->nb_streams) {
2010 dump_format(output_files[i], i, output_files[i]->filename, 1);
2011 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2014 nb_ostreams += os->nb_streams;
2016 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2017 fprintf(stderr, "Number of stream maps must match number of output streams\n");
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);
2031 fi = stream_maps[i].sync_file_index;
2032 si = stream_maps[i].sync_stream_index;
2033 if (fi < 0 || fi > nb_input_files - 1 ||
2034 si < 0 || si > file_table[fi].nb_streams - 1) {
2035 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2040 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2043 for(i=0;i<nb_ostreams;i++) {
2044 ost = av_mallocz(sizeof(AVOutputStream));
2051 for(k=0;k<nb_output_files;k++) {
2052 os = output_files[k];
2053 for(i=0;i<os->nb_streams;i++,n++) {
2056 ost->file_index = k;
2058 ost->st = os->streams[i];
2059 if (nb_stream_maps > 0) {
2060 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2061 stream_maps[n].stream_index;
2063 /* Sanity check that the stream types match */
2064 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2065 int i= ost->file_index;
2066 dump_format(output_files[i], i, output_files[i]->filename, 1);
2067 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2068 stream_maps[n].file_index, stream_maps[n].stream_index,
2069 ost->file_index, ost->index);
2074 int best_nb_frames=-1;
2075 /* get corresponding input stream index : we select the first one with the right type */
2077 for(j=0;j<nb_istreams;j++) {
2082 AVFormatContext *f= input_files[ ist->file_index ];
2084 for(pi=0; pi<f->nb_programs; pi++){
2085 AVProgram *p= f->programs[pi];
2086 if(p->id == opt_programid)
2087 for(si=0; si<p->nb_stream_indexes; si++){
2088 if(f->streams[ p->stream_index[si] ] == ist->st)
2093 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2094 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2095 if(best_nb_frames < ist->st->codec_info_nb_frames){
2096 best_nb_frames= ist->st->codec_info_nb_frames;
2097 ost->source_index = j;
2104 if(! opt_programid) {
2105 /* try again and reuse existing stream */
2106 for(j=0;j<nb_istreams;j++) {
2108 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2109 && ist->st->discard != AVDISCARD_ALL) {
2110 ost->source_index = j;
2116 int i= ost->file_index;
2117 dump_format(output_files[i], i, output_files[i]->filename, 1);
2118 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2119 ost->file_index, ost->index);
2124 ist = ist_table[ost->source_index];
2126 ost->sync_ist = (nb_stream_maps > 0) ?
2127 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2128 stream_maps[n].sync_stream_index] : ist;
2132 /* for each output stream, we compute the right encoding parameters */
2133 for(i=0;i<nb_ostreams;i++) {
2134 AVMetadataTag *t = NULL;
2136 os = output_files[ost->file_index];
2137 ist = ist_table[ost->source_index];
2139 codec = ost->st->codec;
2140 icodec = ist->st->codec;
2142 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2143 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2146 ost->st->disposition = ist->st->disposition;
2147 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2148 codec->chroma_sample_location = icodec->chroma_sample_location;
2150 if (ost->st->stream_copy) {
2151 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2153 if (extra_size > INT_MAX)
2156 /* if stream_copy is selected, no need to decode or encode */
2157 codec->codec_id = icodec->codec_id;
2158 codec->codec_type = icodec->codec_type;
2160 if(!codec->codec_tag){
2161 if( !os->oformat->codec_tag
2162 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2163 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2164 codec->codec_tag = icodec->codec_tag;
2167 codec->bit_rate = icodec->bit_rate;
2168 codec->extradata= av_mallocz(extra_size);
2169 if (!codec->extradata)
2171 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2172 codec->extradata_size= icodec->extradata_size;
2173 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){
2174 codec->time_base = icodec->time_base;
2175 codec->time_base.num *= icodec->ticks_per_frame;
2176 av_reduce(&codec->time_base.num, &codec->time_base.den,
2177 codec->time_base.num, codec->time_base.den, INT_MAX);
2179 codec->time_base = ist->st->time_base;
2180 switch(codec->codec_type) {
2181 case AVMEDIA_TYPE_AUDIO:
2182 if(audio_volume != 256) {
2183 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2186 codec->channel_layout = icodec->channel_layout;
2187 codec->sample_rate = icodec->sample_rate;
2188 codec->channels = icodec->channels;
2189 codec->frame_size = icodec->frame_size;
2190 codec->block_align= icodec->block_align;
2191 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2192 codec->block_align= 0;
2193 if(codec->codec_id == CODEC_ID_AC3)
2194 codec->block_align= 0;
2196 case AVMEDIA_TYPE_VIDEO:
2197 codec->pix_fmt = icodec->pix_fmt;
2198 codec->width = icodec->width;
2199 codec->height = icodec->height;
2200 codec->has_b_frames = icodec->has_b_frames;
2202 case AVMEDIA_TYPE_SUBTITLE:
2203 codec->width = icodec->width;
2204 codec->height = icodec->height;
2210 switch(codec->codec_type) {
2211 case AVMEDIA_TYPE_AUDIO:
2212 ost->fifo= av_fifo_alloc(1024);
2215 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2216 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2217 icodec->request_channels = codec->channels;
2218 ist->decoding_needed = 1;
2219 ost->encoding_needed = 1;
2221 case AVMEDIA_TYPE_VIDEO:
2222 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2223 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2226 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2227 ost->video_resample = ((codec->width != icodec->width -
2228 (frame_leftBand + frame_rightBand)) ||
2229 (codec->height != icodec->height -
2230 (frame_topBand + frame_bottomBand)) ||
2231 (codec->pix_fmt != icodec->pix_fmt));
2232 if (ost->video_crop) {
2233 ost->topBand = ost->original_topBand = frame_topBand;
2234 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2235 ost->leftBand = ost->original_leftBand = frame_leftBand;
2236 ost->rightBand = ost->original_rightBand = frame_rightBand;
2238 if (ost->video_resample) {
2239 avcodec_get_frame_defaults(&ost->pict_tmp);
2240 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2241 codec->width, codec->height)) {
2242 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2245 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2246 ost->img_resample_ctx = sws_getContext(
2247 icodec->width - (frame_leftBand + frame_rightBand),
2248 icodec->height - (frame_topBand + frame_bottomBand),
2253 sws_flags, NULL, NULL, NULL);
2254 if (ost->img_resample_ctx == NULL) {
2255 fprintf(stderr, "Cannot get resampling context\n");
2259 #if !CONFIG_AVFILTER
2260 ost->original_height = icodec->height;
2261 ost->original_width = icodec->width;
2263 codec->bits_per_raw_sample= 0;
2265 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2266 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2267 ost->resample_pix_fmt= icodec->pix_fmt;
2268 ost->encoding_needed = 1;
2269 ist->decoding_needed = 1;
2272 if (configure_filters(ist, ost)) {
2273 fprintf(stderr, "Error opening filters!\n");
2278 case AVMEDIA_TYPE_SUBTITLE:
2279 ost->encoding_needed = 1;
2280 ist->decoding_needed = 1;
2287 if (ost->encoding_needed &&
2288 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2289 char logfilename[1024];
2292 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2293 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2295 if (codec->flags & CODEC_FLAG_PASS1) {
2296 f = fopen(logfilename, "wb");
2298 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2304 size_t logbuffer_size;
2305 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2306 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2309 codec->stats_in = logbuffer;
2313 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2314 int size= codec->width * codec->height;
2315 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2320 bit_buffer = av_malloc(bit_buffer_size);
2322 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2324 ret = AVERROR(ENOMEM);
2328 /* open each encoder */
2329 for(i=0;i<nb_ostreams;i++) {
2331 if (ost->encoding_needed) {
2332 AVCodec *codec = output_codecs[i];
2334 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2336 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2337 ost->st->codec->codec_id, ost->file_index, ost->index);
2338 ret = AVERROR(EINVAL);
2341 if (avcodec_open(ost->st->codec, codec) < 0) {
2342 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2343 ost->file_index, ost->index);
2344 ret = AVERROR(EINVAL);
2347 extra_size += ost->st->codec->extradata_size;
2351 /* open each decoder */
2352 for(i=0;i<nb_istreams;i++) {
2354 if (ist->decoding_needed) {
2355 AVCodec *codec = input_codecs[i];
2357 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2359 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2360 ist->st->codec->codec_id, ist->file_index, ist->index);
2361 ret = AVERROR(EINVAL);
2364 if (avcodec_open(ist->st->codec, codec) < 0) {
2365 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2366 ist->file_index, ist->index);
2367 ret = AVERROR(EINVAL);
2370 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2371 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2376 for(i=0;i<nb_istreams;i++) {
2380 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2381 ist->next_pts = AV_NOPTS_VALUE;
2385 /* set meta data information from input file if required */
2386 for (i=0;i<nb_meta_data_maps;i++) {
2387 AVFormatContext *out_file;
2388 AVFormatContext *in_file;
2389 AVMetadataTag *mtag;
2391 int out_file_index = meta_data_maps[i].out_file;
2392 int in_file_index = meta_data_maps[i].in_file;
2393 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2394 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2395 out_file_index, out_file_index, in_file_index);
2396 ret = AVERROR(EINVAL);
2399 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2400 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2401 in_file_index, out_file_index, in_file_index);
2402 ret = AVERROR(EINVAL);
2406 out_file = output_files[out_file_index];
2407 in_file = input_files[in_file_index];
2411 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2412 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2413 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2414 in_file->iformat->metadata_conv);
2417 /* copy chapters from the first input file that has them*/
2418 for (i = 0; i < nb_input_files; i++) {
2419 if (!input_files[i]->nb_chapters)
2422 for (j = 0; j < nb_output_files; j++)
2423 if ((ret = copy_chapters(i, j)) < 0)
2427 /* open files and write file headers */
2428 for(i=0;i<nb_output_files;i++) {
2429 os = output_files[i];
2430 if (av_write_header(os) < 0) {
2431 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2432 ret = AVERROR(EINVAL);
2435 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2441 /* dump the file output parameters - cannot be done before in case
2443 for(i=0;i<nb_output_files;i++) {
2444 dump_format(output_files[i], i, output_files[i]->filename, 1);
2447 /* dump the stream mapping */
2449 fprintf(stderr, "Stream mapping:\n");
2450 for(i=0;i<nb_ostreams;i++) {
2452 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2453 ist_table[ost->source_index]->file_index,
2454 ist_table[ost->source_index]->index,
2457 if (ost->sync_ist != ist_table[ost->source_index])
2458 fprintf(stderr, " [sync #%d.%d]",
2459 ost->sync_ist->file_index,
2460 ost->sync_ist->index);
2461 fprintf(stderr, "\n");
2466 fprintf(stderr, "%s\n", error);
2471 print_sdp(output_files, nb_output_files);
2474 if (!using_stdin && verbose >= 0) {
2475 fprintf(stderr, "Press [q] to stop encoding\n");
2476 url_set_interrupt_cb(decode_interrupt_cb);
2480 timer_start = av_gettime();
2482 for(; received_sigterm == 0;) {
2483 int file_index, ist_index;
2491 /* if 'q' pressed, exits */
2495 /* read_key() returns 0 on EOF */
2501 /* select the stream that we must read now by looking at the
2502 smallest output pts */
2504 for(i=0;i<nb_ostreams;i++) {
2507 os = output_files[ost->file_index];
2508 ist = ist_table[ost->source_index];
2509 if(ist->is_past_recording_time || no_packet[ist->file_index])
2511 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2512 ipts = (double)ist->pts;
2513 if (!file_table[ist->file_index].eof_reached){
2514 if(ipts < ipts_min) {
2516 if(input_sync ) file_index = ist->file_index;
2518 if(opts < opts_min) {
2520 if(!input_sync) file_index = ist->file_index;
2523 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2528 /* if none, if is finished */
2529 if (file_index < 0) {
2530 if(no_packet_count){
2532 memset(no_packet, 0, sizeof(no_packet));
2539 /* finish if limit size exhausted */
2540 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2543 /* read a frame from it and output it in the fifo */
2544 is = input_files[file_index];
2545 ret= av_read_frame(is, &pkt);
2546 if(ret == AVERROR(EAGAIN)){
2547 no_packet[file_index]=1;
2552 file_table[file_index].eof_reached = 1;
2560 memset(no_packet, 0, sizeof(no_packet));
2563 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2565 /* the following test is needed in case new streams appear
2566 dynamically in stream : we ignore them */
2567 if (pkt.stream_index >= file_table[file_index].nb_streams)
2568 goto discard_packet;
2569 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2570 ist = ist_table[ist_index];
2572 goto discard_packet;
2574 if (pkt.dts != AV_NOPTS_VALUE)
2575 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2576 if (pkt.pts != AV_NOPTS_VALUE)
2577 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2579 if(input_files_ts_scale[file_index][pkt.stream_index]){
2580 if(pkt.pts != AV_NOPTS_VALUE)
2581 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2582 if(pkt.dts != AV_NOPTS_VALUE)
2583 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2586 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2587 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2588 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2589 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2590 int64_t delta= pkt_dts - ist->next_pts;
2591 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2592 input_files_ts_offset[ist->file_index]-= delta;
2594 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2595 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2596 if(pkt.pts != AV_NOPTS_VALUE)
2597 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2601 /* finish if recording time exhausted */
2602 if (recording_time != INT64_MAX &&
2603 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2604 ist->is_past_recording_time = 1;
2605 goto discard_packet;
2608 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2609 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2612 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2613 ist->file_index, ist->index);
2616 av_free_packet(&pkt);
2621 av_free_packet(&pkt);
2623 /* dump report by using the output first video and audio streams */
2624 print_report(output_files, ost_table, nb_ostreams, 0);
2627 /* at the end of stream, we must flush the decoder buffers */
2628 for(i=0;i<nb_istreams;i++) {
2630 if (ist->decoding_needed) {
2631 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2637 /* write the trailer if needed and close file */
2638 for(i=0;i<nb_output_files;i++) {
2639 os = output_files[i];
2640 av_write_trailer(os);
2643 /* dump report by using the first video and audio streams */
2644 print_report(output_files, ost_table, nb_ostreams, 1);
2646 /* close each encoder */
2647 for(i=0;i<nb_ostreams;i++) {
2649 if (ost->encoding_needed) {
2650 av_freep(&ost->st->codec->stats_in);
2651 avcodec_close(ost->st->codec);
2655 /* close each decoder */
2656 for(i=0;i<nb_istreams;i++) {
2658 if (ist->decoding_needed) {
2659 avcodec_close(ist->st->codec);
2664 avfilter_graph_destroy(graph);
2673 av_freep(&bit_buffer);
2674 av_free(file_table);
2677 for(i=0;i<nb_istreams;i++) {
2684 for(i=0;i<nb_ostreams;i++) {
2687 if (ost->st->stream_copy)
2688 av_freep(&ost->st->codec->extradata);
2690 fclose(ost->logfile);
2691 ost->logfile = NULL;
2693 av_fifo_free(ost->fifo); /* works even if fifo is not
2694 initialized but set to zero */
2695 av_free(ost->pict_tmp.data[0]);
2696 if (ost->video_resample)
2697 sws_freeContext(ost->img_resample_ctx);
2699 audio_resample_close(ost->resample);
2700 if (ost->reformat_ctx)
2701 av_audio_convert_free(ost->reformat_ctx);
2710 static void opt_format(const char *arg)
2712 /* compatibility stuff for pgmyuv */
2713 if (!strcmp(arg, "pgmyuv")) {
2714 pgmyuv_compatibility_hack=1;
2715 // opt_image_format(arg);
2717 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2720 last_asked_format = arg;
2723 static void opt_video_rc_override_string(const char *arg)
2725 video_rc_override_string = arg;
2728 static int opt_me_threshold(const char *opt, const char *arg)
2730 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2734 static int opt_verbose(const char *opt, const char *arg)
2736 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2740 static int opt_frame_rate(const char *opt, const char *arg)
2742 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2743 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2749 static int opt_bitrate(const char *opt, const char *arg)
2751 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2753 opt_default(opt, arg);
2755 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2756 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2761 static void opt_frame_crop_top(const char *arg)
2763 frame_topBand = atoi(arg);
2764 if (frame_topBand < 0) {
2765 fprintf(stderr, "Incorrect top crop size\n");
2768 if ((frame_topBand) >= frame_height){
2769 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2772 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2773 frame_height -= frame_topBand;
2776 static void opt_frame_crop_bottom(const char *arg)
2778 frame_bottomBand = atoi(arg);
2779 if (frame_bottomBand < 0) {
2780 fprintf(stderr, "Incorrect bottom crop size\n");
2783 if ((frame_bottomBand) >= frame_height){
2784 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2787 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2788 frame_height -= frame_bottomBand;
2791 static void opt_frame_crop_left(const char *arg)
2793 frame_leftBand = atoi(arg);
2794 if (frame_leftBand < 0) {
2795 fprintf(stderr, "Incorrect left crop size\n");
2798 if ((frame_leftBand) >= frame_width){
2799 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2802 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2803 frame_width -= frame_leftBand;
2806 static void opt_frame_crop_right(const char *arg)
2808 frame_rightBand = atoi(arg);
2809 if (frame_rightBand < 0) {
2810 fprintf(stderr, "Incorrect right crop size\n");
2813 if ((frame_rightBand) >= frame_width){
2814 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2817 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2818 frame_width -= frame_rightBand;
2821 static void opt_frame_size(const char *arg)
2823 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2824 fprintf(stderr, "Incorrect frame size\n");
2829 static void opt_pad(const char *arg) {
2830 fprintf(stderr, "Please use vf=pad\n");
2834 static void opt_frame_pix_fmt(const char *arg)
2836 if (strcmp(arg, "list")) {
2837 frame_pix_fmt = av_get_pix_fmt(arg);
2838 if (frame_pix_fmt == PIX_FMT_NONE) {
2839 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2848 static void opt_frame_aspect_ratio(const char *arg)
2855 p = strchr(arg, ':');
2857 x = strtol(arg, &end, 10);
2859 y = strtol(end+1, &end, 10);
2861 ar = (double)x / (double)y;
2863 ar = strtod(arg, NULL);
2866 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2869 frame_aspect_ratio = ar;
2872 static int opt_metadata(const char *opt, const char *arg)
2874 char *mid= strchr(arg, '=');
2877 fprintf(stderr, "Missing =\n");
2883 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2884 metadata[metadata_count-1].key = av_strdup(arg);
2885 metadata[metadata_count-1].value= av_strdup(mid);
2890 static void opt_qscale(const char *arg)
2892 video_qscale = atof(arg);
2893 if (video_qscale <= 0 ||
2894 video_qscale > 255) {
2895 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2900 static void opt_top_field_first(const char *arg)
2902 top_field_first= atoi(arg);
2905 static int opt_thread_count(const char *opt, const char *arg)
2907 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2910 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2915 static void opt_audio_sample_fmt(const char *arg)
2917 if (strcmp(arg, "list"))
2918 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2920 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2925 static int opt_audio_rate(const char *opt, const char *arg)
2927 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2931 static int opt_audio_channels(const char *opt, const char *arg)
2933 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2937 static void opt_video_channel(const char *arg)
2939 video_channel = strtol(arg, NULL, 0);
2942 static void opt_video_standard(const char *arg)
2944 video_standard = av_strdup(arg);
2947 static void opt_codec(int *pstream_copy, char **pcodec_name,
2948 int codec_type, const char *arg)
2950 av_freep(pcodec_name);
2951 if (!strcmp(arg, "copy")) {
2954 *pcodec_name = av_strdup(arg);
2958 static void opt_audio_codec(const char *arg)
2960 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2963 static void opt_audio_tag(const char *arg)
2966 audio_codec_tag= strtol(arg, &tail, 0);
2969 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2972 static void opt_video_tag(const char *arg)
2975 video_codec_tag= strtol(arg, &tail, 0);
2978 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2981 static void opt_video_codec(const char *arg)
2983 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2986 static void opt_subtitle_codec(const char *arg)
2988 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2991 static void opt_subtitle_tag(const char *arg)
2994 subtitle_codec_tag= strtol(arg, &tail, 0);
2997 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3000 static void opt_map(const char *arg)
3005 m = &stream_maps[nb_stream_maps++];
3007 m->file_index = strtol(arg, &p, 0);
3011 m->stream_index = strtol(p, &p, 0);
3014 m->sync_file_index = strtol(p, &p, 0);
3017 m->sync_stream_index = strtol(p, &p, 0);
3019 m->sync_file_index = m->file_index;
3020 m->sync_stream_index = m->stream_index;
3024 static void opt_map_meta_data(const char *arg)
3029 m = &meta_data_maps[nb_meta_data_maps++];
3031 m->out_file = strtol(arg, &p, 0);
3035 m->in_file = strtol(p, &p, 0);
3038 static void opt_input_ts_scale(const char *arg)
3040 unsigned int stream;
3044 stream = strtol(arg, &p, 0);
3047 scale= strtod(p, &p);
3049 if(stream >= MAX_STREAMS)
3052 input_files_ts_scale[nb_input_files][stream]= scale;
3055 static int opt_recording_time(const char *opt, const char *arg)
3057 recording_time = parse_time_or_die(opt, arg, 1);
3061 static int opt_start_time(const char *opt, const char *arg)
3063 start_time = parse_time_or_die(opt, arg, 1);
3067 static int opt_recording_timestamp(const char *opt, const char *arg)
3069 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3073 static int opt_input_ts_offset(const char *opt, const char *arg)
3075 input_ts_offset = parse_time_or_die(opt, arg, 1);
3079 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3081 const char *codec_string = encoder ? "encoder" : "decoder";
3085 return CODEC_ID_NONE;
3087 avcodec_find_encoder_by_name(name) :
3088 avcodec_find_decoder_by_name(name);
3090 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3093 if(codec->type != type) {
3094 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3097 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3098 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3099 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3100 "results.\nAdd '-strict experimental' if you want to use it.\n",
3101 codec_string, codec->name);
3103 avcodec_find_encoder(codec->id) :
3104 avcodec_find_decoder(codec->id);
3105 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3106 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3107 codec_string, codec->name);
3113 static void opt_input_file(const char *filename)
3115 AVFormatContext *ic;
3116 AVFormatParameters params, *ap = ¶ms;
3117 AVInputFormat *file_iformat = NULL;
3118 int err, i, ret, rfps, rfps_base;
3121 if (last_asked_format) {
3122 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3123 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3126 last_asked_format = NULL;
3129 if (!strcmp(filename, "-"))
3132 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3133 !strcmp(filename, "/dev/stdin");
3135 /* get default parameters from command line */
3136 ic = avformat_alloc_context();
3138 print_error(filename, AVERROR(ENOMEM));
3142 memset(ap, 0, sizeof(*ap));
3143 ap->prealloced_context = 1;
3144 ap->sample_rate = audio_sample_rate;
3145 ap->channels = audio_channels;
3146 ap->time_base.den = frame_rate.num;
3147 ap->time_base.num = frame_rate.den;
3148 ap->width = frame_width;
3149 ap->height = frame_height;
3150 ap->pix_fmt = frame_pix_fmt;
3151 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3152 ap->channel = video_channel;
3153 ap->standard = video_standard;
3155 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
3157 ic->video_codec_id =
3158 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3159 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3160 ic->audio_codec_id =
3161 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3162 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3163 ic->subtitle_codec_id=
3164 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3165 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3166 ic->flags |= AVFMT_FLAG_NONBLOCK;
3168 if(pgmyuv_compatibility_hack)
3169 ic->video_codec_id= CODEC_ID_PGMYUV;
3171 /* open the input file with generic libav function */
3172 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3174 print_error(filename, err);
3180 for(i=0; i<ic->nb_streams; i++){
3181 ic->streams[i]->discard= AVDISCARD_ALL;
3183 for(i=0; i<ic->nb_programs; i++){
3184 AVProgram *p= ic->programs[i];
3185 if(p->id != opt_programid){
3186 p->discard = AVDISCARD_ALL;
3189 for(j=0; j<p->nb_stream_indexes; j++){
3190 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3195 fprintf(stderr, "Specified program id not found\n");
3201 ic->loop_input = loop_input;
3203 /* If not enough info to get the stream parameters, we decode the
3204 first frames to get it. (used in mpeg case for example) */
3205 ret = av_find_stream_info(ic);
3206 if (ret < 0 && verbose >= 0) {
3207 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3211 timestamp = start_time;
3212 /* add the stream start time */
3213 if (ic->start_time != AV_NOPTS_VALUE)
3214 timestamp += ic->start_time;
3216 /* if seeking requested, we execute it */
3217 if (start_time != 0) {
3218 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3220 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3221 filename, (double)timestamp / AV_TIME_BASE);
3223 /* reset seek info */
3227 /* update the current parameters so that they match the one of the input stream */
3228 for(i=0;i<ic->nb_streams;i++) {
3229 AVStream *st = ic->streams[i];
3230 AVCodecContext *enc = st->codec;
3231 avcodec_thread_init(enc, thread_count);
3232 switch(enc->codec_type) {
3233 case AVMEDIA_TYPE_AUDIO:
3234 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3235 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3236 channel_layout = enc->channel_layout;
3237 audio_channels = enc->channels;
3238 audio_sample_rate = enc->sample_rate;
3239 audio_sample_fmt = enc->sample_fmt;
3240 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3242 st->discard= AVDISCARD_ALL;
3244 case AVMEDIA_TYPE_VIDEO:
3245 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3246 frame_height = enc->height;
3247 frame_width = enc->width;
3248 if(ic->streams[i]->sample_aspect_ratio.num)
3249 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3251 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3252 frame_aspect_ratio *= (float) enc->width / enc->height;
3253 frame_pix_fmt = enc->pix_fmt;
3254 rfps = ic->streams[i]->r_frame_rate.num;
3255 rfps_base = ic->streams[i]->r_frame_rate.den;
3257 enc->flags |= CODEC_FLAG_EMU_EDGE;
3258 frame_height >>= enc->lowres;
3259 frame_width >>= enc->lowres;
3262 enc->debug |= FF_DEBUG_MV;
3264 if (enc->time_base.den != rfps*enc->ticks_per_frame || enc->time_base.num != rfps_base) {
3267 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3268 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3270 (float)rfps / rfps_base, rfps, rfps_base);
3272 /* update the current frame rate to match the stream frame rate */
3273 frame_rate.num = rfps;
3274 frame_rate.den = rfps_base;
3276 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3278 st->discard= AVDISCARD_ALL;
3279 else if(video_discard)
3280 st->discard= video_discard;
3282 case AVMEDIA_TYPE_DATA:
3284 case AVMEDIA_TYPE_SUBTITLE:
3285 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3286 if(subtitle_disable)
3287 st->discard = AVDISCARD_ALL;
3289 case AVMEDIA_TYPE_ATTACHMENT:
3290 case AVMEDIA_TYPE_UNKNOWN:
3298 input_files[nb_input_files] = ic;
3299 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3300 /* dump the file content */
3302 dump_format(ic, nb_input_files, filename, 0);
3308 av_freep(&video_codec_name);
3309 av_freep(&audio_codec_name);
3310 av_freep(&subtitle_codec_name);
3313 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3314 int *has_subtitle_ptr)
3316 int has_video, has_audio, has_subtitle, i, j;
3317 AVFormatContext *ic;
3322 for(j=0;j<nb_input_files;j++) {
3323 ic = input_files[j];
3324 for(i=0;i<ic->nb_streams;i++) {
3325 AVCodecContext *enc = ic->streams[i]->codec;
3326 switch(enc->codec_type) {
3327 case AVMEDIA_TYPE_AUDIO:
3330 case AVMEDIA_TYPE_VIDEO:
3333 case AVMEDIA_TYPE_SUBTITLE:
3336 case AVMEDIA_TYPE_DATA:
3337 case AVMEDIA_TYPE_ATTACHMENT:
3338 case AVMEDIA_TYPE_UNKNOWN:
3345 *has_video_ptr = has_video;
3346 *has_audio_ptr = has_audio;
3347 *has_subtitle_ptr = has_subtitle;
3350 static void new_video_stream(AVFormatContext *oc)
3353 AVCodecContext *video_enc;
3354 enum CodecID codec_id;
3356 st = av_new_stream(oc, streamid_map[oc->nb_streams]);
3358 fprintf(stderr, "Could not alloc stream\n");
3361 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3362 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3363 video_bitstream_filters= NULL;
3365 avcodec_thread_init(st->codec, thread_count);
3367 video_enc = st->codec;
3370 video_enc->codec_tag= video_codec_tag;
3372 if( (video_global_header&1)
3373 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3374 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3375 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3377 if(video_global_header&2){
3378 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3379 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3382 if (video_stream_copy) {
3383 st->stream_copy = 1;
3384 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3385 video_enc->sample_aspect_ratio =
3386 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3391 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3393 if (video_codec_name) {
3394 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3395 video_enc->strict_std_compliance);
3396 codec = avcodec_find_encoder_by_name(video_codec_name);
3397 output_codecs[nb_ocodecs] = codec;
3399 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3400 codec = avcodec_find_encoder(codec_id);
3403 video_enc->codec_id = codec_id;
3405 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3407 if (codec && codec->supported_framerates && !force_fps)
3408 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3409 video_enc->time_base.den = fps.num;
3410 video_enc->time_base.num = fps.den;
3412 video_enc->width = frame_width;
3413 video_enc->height = frame_height;
3414 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3415 video_enc->pix_fmt = frame_pix_fmt;
3416 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3418 choose_pixel_fmt(st, codec);
3421 video_enc->gop_size = 0;
3422 if (video_qscale || same_quality) {
3423 video_enc->flags |= CODEC_FLAG_QSCALE;
3424 video_enc->global_quality=
3425 st->quality = FF_QP2LAMBDA * video_qscale;
3429 video_enc->intra_matrix = intra_matrix;
3431 video_enc->inter_matrix = inter_matrix;
3433 p= video_rc_override_string;
3436 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3438 fprintf(stderr, "error parsing rc_override\n");
3441 video_enc->rc_override=
3442 av_realloc(video_enc->rc_override,
3443 sizeof(RcOverride)*(i+1));
3444 video_enc->rc_override[i].start_frame= start;
3445 video_enc->rc_override[i].end_frame = end;
3447 video_enc->rc_override[i].qscale= q;
3448 video_enc->rc_override[i].quality_factor= 1.0;
3451 video_enc->rc_override[i].qscale= 0;
3452 video_enc->rc_override[i].quality_factor= -q/100.0;
3457 video_enc->rc_override_count=i;
3458 if (!video_enc->rc_initial_buffer_occupancy)
3459 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3460 video_enc->me_threshold= me_threshold;
3461 video_enc->intra_dc_precision= intra_dc_precision - 8;
3464 video_enc->flags|= CODEC_FLAG_PSNR;
3469 video_enc->flags |= CODEC_FLAG_PASS1;
3471 video_enc->flags |= CODEC_FLAG_PASS2;
3476 if (video_language) {
3477 av_metadata_set2(&st->metadata, "language", video_language, 0);
3478 av_freep(&video_language);
3481 /* reset some key parameters */
3483 av_freep(&video_codec_name);
3484 video_stream_copy = 0;
3485 frame_pix_fmt = PIX_FMT_NONE;
3488 static void new_audio_stream(AVFormatContext *oc)
3491 AVCodecContext *audio_enc;
3492 enum CodecID codec_id;
3494 st = av_new_stream(oc, streamid_map[oc->nb_streams]);
3496 fprintf(stderr, "Could not alloc stream\n");
3499 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
3501 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3502 audio_bitstream_filters= NULL;
3504 avcodec_thread_init(st->codec, thread_count);
3506 audio_enc = st->codec;
3507 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3510 audio_enc->codec_tag= audio_codec_tag;
3512 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3513 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3514 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3516 if (audio_stream_copy) {
3517 st->stream_copy = 1;
3518 audio_enc->channels = audio_channels;
3519 audio_enc->sample_rate = audio_sample_rate;
3523 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3525 if (audio_codec_name) {
3526 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3527 audio_enc->strict_std_compliance);
3528 codec = avcodec_find_encoder_by_name(audio_codec_name);
3529 output_codecs[nb_ocodecs] = codec;
3531 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3532 codec = avcodec_find_encoder(codec_id);
3534 audio_enc->codec_id = codec_id;
3536 if (audio_qscale > QSCALE_NONE) {
3537 audio_enc->flags |= CODEC_FLAG_QSCALE;
3538 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3540 audio_enc->channels = audio_channels;
3541 audio_enc->sample_fmt = audio_sample_fmt;
3542 audio_enc->sample_rate = audio_sample_rate;
3543 audio_enc->channel_layout = channel_layout;
3544 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3545 audio_enc->channel_layout = 0;
3546 choose_sample_fmt(st, codec);
3547 choose_sample_rate(st, codec);
3550 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3551 if (audio_language) {
3552 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3553 av_freep(&audio_language);
3556 /* reset some key parameters */
3558 av_freep(&audio_codec_name);
3559 audio_stream_copy = 0;
3562 static void new_subtitle_stream(AVFormatContext *oc)
3565 AVCodecContext *subtitle_enc;
3567 st = av_new_stream(oc, streamid_map[oc->nb_streams]);
3569 fprintf(stderr, "Could not alloc stream\n");
3572 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
3574 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3575 subtitle_bitstream_filters= NULL;
3577 subtitle_enc = st->codec;
3578 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3580 if(subtitle_codec_tag)
3581 subtitle_enc->codec_tag= subtitle_codec_tag;
3583 if (subtitle_stream_copy) {
3584 st->stream_copy = 1;
3586 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3587 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3588 subtitle_enc->strict_std_compliance);
3589 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3593 if (subtitle_language) {
3594 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3595 av_freep(&subtitle_language);
3598 subtitle_disable = 0;
3599 av_freep(&subtitle_codec_name);
3600 subtitle_stream_copy = 0;
3603 static void opt_new_audio_stream(void)
3605 AVFormatContext *oc;
3606 if (nb_output_files <= 0) {
3607 fprintf(stderr, "At least one output file must be specified\n");
3610 oc = output_files[nb_output_files - 1];
3611 new_audio_stream(oc);
3614 static void opt_new_video_stream(void)
3616 AVFormatContext *oc;
3617 if (nb_output_files <= 0) {
3618 fprintf(stderr, "At least one output file must be specified\n");
3621 oc = output_files[nb_output_files - 1];
3622 new_video_stream(oc);
3625 static void opt_new_subtitle_stream(void)
3627 AVFormatContext *oc;
3628 if (nb_output_files <= 0) {
3629 fprintf(stderr, "At least one output file must be specified\n");
3632 oc = output_files[nb_output_files - 1];
3633 new_subtitle_stream(oc);
3636 /* arg format is "output-stream-index:streamid-value". */
3637 static void opt_streamid(const char *opt, const char *arg)
3643 strncpy(idx_str, arg, sizeof(idx_str));
3644 idx_str[sizeof(idx_str)-1] = '\0';
3645 p = strchr(idx_str, ':');
3648 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3653 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3654 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3657 static void opt_output_file(const char *filename)
3659 AVFormatContext *oc;
3660 int err, use_video, use_audio, use_subtitle;
3661 int input_has_video, input_has_audio, input_has_subtitle;
3662 AVFormatParameters params, *ap = ¶ms;
3663 AVOutputFormat *file_oformat;
3665 if (!strcmp(filename, "-"))
3668 oc = avformat_alloc_context();
3670 print_error(filename, AVERROR(ENOMEM));
3674 if (last_asked_format) {
3675 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3676 if (!file_oformat) {
3677 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3680 last_asked_format = NULL;
3682 file_oformat = av_guess_format(NULL, filename, NULL);
3683 if (!file_oformat) {
3684 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3690 oc->oformat = file_oformat;
3691 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3693 if (!strcmp(file_oformat->name, "ffm") &&
3694 av_strstart(filename, "http:", NULL)) {
3695 /* special case for files sent to ffserver: we get the stream
3696 parameters from ffserver */
3697 int err = read_ffserver_streams(oc, filename);
3699 print_error(filename, err);
3703 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3704 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3705 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3707 /* disable if no corresponding type found and at least one
3709 if (nb_input_files > 0) {
3710 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3711 &input_has_subtitle);
3712 if (!input_has_video)
3714 if (!input_has_audio)
3716 if (!input_has_subtitle)
3720 /* manual disable */
3721 if (audio_disable) {
3724 if (video_disable) {
3727 if (subtitle_disable) {
3732 new_video_stream(oc);
3736 new_audio_stream(oc);
3740 new_subtitle_stream(oc);
3743 oc->timestamp = recording_timestamp;
3745 for(; metadata_count>0; metadata_count--){
3746 av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,
3747 metadata[metadata_count-1].value, 0);
3749 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3752 output_files[nb_output_files++] = oc;
3754 /* check filename in case of an image number is expected */
3755 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3756 if (!av_filename_number_test(oc->filename)) {
3757 print_error(oc->filename, AVERROR_NUMEXPECTED);
3762 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3763 /* test if it already exists to avoid loosing precious files */
3764 if (!file_overwrite &&
3765 (strchr(filename, ':') == NULL ||
3766 filename[1] == ':' ||
3767 av_strstart(filename, "file:", NULL))) {
3768 if (url_exist(filename)) {
3770 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3772 if (!read_yesno()) {
3773 fprintf(stderr, "Not overwriting - exiting\n");
3778 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3785 if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
3786 print_error(filename, err);
3791 memset(ap, 0, sizeof(*ap));
3792 if (av_set_parameters(oc, ap) < 0) {
3793 fprintf(stderr, "%s: Invalid encoding parameters\n",
3798 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3799 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3800 oc->loop_output = loop_output;
3801 oc->flags |= AVFMT_FLAG_NONBLOCK;
3803 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3805 memset(streamid_map, 0, sizeof(streamid_map));
3808 /* same option as mencoder */
3809 static void opt_pass(const char *pass_str)
3812 pass = atoi(pass_str);
3813 if (pass != 1 && pass != 2) {
3814 fprintf(stderr, "pass number can be only 1 or 2\n");
3820 static int64_t getutime(void)
3823 struct rusage rusage;
3825 getrusage(RUSAGE_SELF, &rusage);
3826 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3827 #elif HAVE_GETPROCESSTIMES
3829 FILETIME c, e, k, u;
3830 proc = GetCurrentProcess();
3831 GetProcessTimes(proc, &c, &e, &k, &u);
3832 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3834 return av_gettime();
3838 static int64_t getmaxrss(void)
3840 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3841 struct rusage rusage;
3842 getrusage(RUSAGE_SELF, &rusage);
3843 return (int64_t)rusage.ru_maxrss * 1024;
3844 #elif HAVE_GETPROCESSMEMORYINFO
3846 PROCESS_MEMORY_COUNTERS memcounters;
3847 proc = GetCurrentProcess();
3848 memcounters.cb = sizeof(memcounters);
3849 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3850 return memcounters.PeakPagefileUsage;
3856 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3859 const char *p = str;
3866 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3873 static void opt_inter_matrix(const char *arg)
3875 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3876 parse_matrix_coeffs(inter_matrix, arg);
3879 static void opt_intra_matrix(const char *arg)
3881 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3882 parse_matrix_coeffs(intra_matrix, arg);
3886 * Trivial log callback.
3887 * Only suitable for show_help and similar since it lacks prefix handling.
3889 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3891 vfprintf(stdout, fmt, vl);
3894 static void show_usage(void)
3896 printf("Hyper fast Audio and Video encoder\n");
3897 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3901 static void show_help(void)
3903 av_log_set_callback(log_callback_help);
3905 show_help_options(options, "Main options:\n",
3906 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3907 show_help_options(options, "\nAdvanced options:\n",
3908 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3910 show_help_options(options, "\nVideo options:\n",
3911 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3913 show_help_options(options, "\nAdvanced Video options:\n",
3914 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3915 OPT_VIDEO | OPT_EXPERT);
3916 show_help_options(options, "\nAudio options:\n",
3917 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3919 show_help_options(options, "\nAdvanced Audio options:\n",
3920 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3921 OPT_AUDIO | OPT_EXPERT);
3922 show_help_options(options, "\nSubtitle options:\n",
3923 OPT_SUBTITLE | OPT_GRAB,
3925 show_help_options(options, "\nAudio/Video grab options:\n",
3929 av_opt_show(avcodec_opts[0], NULL);
3931 av_opt_show(avformat_opts, NULL);
3933 av_opt_show(sws_opts, NULL);
3936 static void opt_target(const char *arg)
3938 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3939 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3941 if(!strncmp(arg, "pal-", 4)) {
3944 } else if(!strncmp(arg, "ntsc-", 5)) {
3947 } else if(!strncmp(arg, "film-", 5)) {
3952 /* Calculate FR via float to avoid int overflow */
3953 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3956 } else if((fr == 29970) || (fr == 23976)) {
3959 /* Try to determine PAL/NTSC by peeking in the input files */
3960 if(nb_input_files) {
3962 for(j = 0; j < nb_input_files; j++) {
3963 for(i = 0; i < input_files[j]->nb_streams; i++) {
3964 AVCodecContext *c = input_files[j]->streams[i]->codec;
3965 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3967 fr = c->time_base.den * 1000 / c->time_base.num;
3971 } else if((fr == 29970) || (fr == 23976)) {
3981 if(verbose && norm != UNKNOWN)
3982 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3985 if(norm == UNKNOWN) {
3986 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3987 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3988 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3992 if(!strcmp(arg, "vcd")) {
3994 opt_video_codec("mpeg1video");
3995 opt_audio_codec("mp2");
3998 opt_frame_size(norm == PAL ? "352x288" : "352x240");
3999 opt_frame_rate(NULL, frame_rates[norm]);
4000 opt_default("g", norm == PAL ? "15" : "18");
4002 opt_default("b", "1150000");
4003 opt_default("maxrate", "1150000");
4004 opt_default("minrate", "1150000");
4005 opt_default("bufsize", "327680"); // 40*1024*8;
4007 opt_default("ab", "224000");
4008 audio_sample_rate = 44100;
4011 opt_default("packetsize", "2324");
4012 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4014 /* We have to offset the PTS, so that it is consistent with the SCR.
4015 SCR starts at 36000, but the first two packs contain only padding
4016 and the first pack from the other stream, respectively, may also have
4017 been written before.
4018 So the real data starts at SCR 36000+3*1200. */
4019 mux_preload= (36000+3*1200) / 90000.0; //0.44
4020 } else if(!strcmp(arg, "svcd")) {
4022 opt_video_codec("mpeg2video");
4023 opt_audio_codec("mp2");
4026 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4027 opt_frame_rate(NULL, frame_rates[norm]);
4028 opt_default("g", norm == PAL ? "15" : "18");
4030 opt_default("b", "2040000");
4031 opt_default("maxrate", "2516000");
4032 opt_default("minrate", "0"); //1145000;
4033 opt_default("bufsize", "1835008"); //224*1024*8;
4034 opt_default("flags", "+scan_offset");
4037 opt_default("ab", "224000");
4038 audio_sample_rate = 44100;
4040 opt_default("packetsize", "2324");
4042 } else if(!strcmp(arg, "dvd")) {
4044 opt_video_codec("mpeg2video");
4045 opt_audio_codec("ac3");
4048 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4049 opt_frame_rate(NULL, frame_rates[norm]);
4050 opt_default("g", norm == PAL ? "15" : "18");
4052 opt_default("b", "6000000");
4053 opt_default("maxrate", "9000000");
4054 opt_default("minrate", "0"); //1500000;
4055 opt_default("bufsize", "1835008"); //224*1024*8;
4057 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4058 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4060 opt_default("ab", "448000");
4061 audio_sample_rate = 48000;
4063 } else if(!strncmp(arg, "dv", 2)) {
4067 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4068 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4069 (norm == PAL ? "yuv420p" : "yuv411p"));
4070 opt_frame_rate(NULL, frame_rates[norm]);
4072 audio_sample_rate = 48000;
4076 fprintf(stderr, "Unknown target: %s\n", arg);
4081 static void opt_vstats_file (const char *arg)
4083 av_free (vstats_filename);
4084 vstats_filename=av_strdup (arg);
4087 static void opt_vstats (void)
4090 time_t today2 = time(NULL);
4091 struct tm *today = localtime(&today2);
4093 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4095 opt_vstats_file(filename);
4098 static int opt_bsf(const char *opt, const char *arg)
4100 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4101 AVBitStreamFilterContext **bsfp;
4104 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4108 bsfp= *opt == 'v' ? &video_bitstream_filters :
4109 *opt == 'a' ? &audio_bitstream_filters :
4110 &subtitle_bitstream_filters;
4112 bsfp= &(*bsfp)->next;
4119 static int opt_preset(const char *opt, const char *arg)
4122 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4124 const char *base[3]= { getenv("FFMPEG_DATADIR"),
4130 for(i=0; i<3 && !f; i++){
4133 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
4134 f= fopen(filename, "r");
4136 char *codec_name= *opt == 'v' ? video_codec_name :
4137 *opt == 'a' ? audio_codec_name :
4138 subtitle_codec_name;
4139 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec_name, arg);
4140 f= fopen(filename, "r");
4144 av_strlcpy(filename, arg, sizeof(filename));
4145 f= fopen(filename, "r");
4149 fprintf(stderr, "File for preset '%s' not found\n", arg);
4154 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4155 if(line[0] == '#' && !e)
4157 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4159 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4162 if(!strcmp(tmp, "acodec")){
4163 opt_audio_codec(tmp2);
4164 }else if(!strcmp(tmp, "vcodec")){
4165 opt_video_codec(tmp2);
4166 }else if(!strcmp(tmp, "scodec")){
4167 opt_subtitle_codec(tmp2);
4168 }else if(opt_default(tmp, tmp2) < 0){
4169 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4179 static const OptionDef options[] = {
4181 #include "cmdutils_common_opts.h"
4182 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4183 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4184 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4185 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4186 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4187 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4188 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4189 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4190 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4191 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4192 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4193 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4194 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4195 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4196 "add timings for benchmarking" },
4197 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4198 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4199 "dump each input packet" },
4200 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4201 "when dumping packets, also dump the payload" },
4202 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4203 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4204 { "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)", "" },
4205 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4206 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4207 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4208 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4209 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4210 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4211 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4212 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4213 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4214 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4215 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4216 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4217 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4220 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4221 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4222 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4223 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4224 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4225 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4226 { "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" },
4227 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "Deprecated, please use the crop avfilter", "size" },
4228 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "Deprecated, please use the crop avfilter", "size" },
4229 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "Deprecated, please use the crop avfilter", "size" },
4230 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "Deprecated, please use the crop avfilter", "size" },
4231 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set top pad band size (in pixels)", "size" },
4232 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set bottom pad band size (in pixels)", "size" },
4233 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set left pad band size (in pixels)", "size" },
4234 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set right pad band size (in pixels)", "size" },
4235 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
4236 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4237 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4238 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4239 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4240 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4241 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4242 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4243 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4244 "use same video quality as source (implies VBR)" },
4245 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4246 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4247 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4248 "deinterlace pictures" },
4249 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4250 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4251 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4253 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4255 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4256 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4257 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4258 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4259 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4260 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4261 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4262 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4263 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4264 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4267 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4268 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4269 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4270 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4271 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4272 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4273 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4274 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4275 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4276 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4277 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4278 { "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" },
4280 /* subtitle options */
4281 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4282 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4283 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4284 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4285 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4288 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4289 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4290 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4293 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4294 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4296 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4297 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4298 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4300 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4301 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4302 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4303 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4305 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4309 int main(int argc, char **argv)
4314 avcodec_register_all();
4316 avdevice_register_all();
4319 avfilter_register_all();
4324 if(isatty(STDIN_FILENO))
4325 url_set_interrupt_cb(decode_interrupt_cb);
4328 for(i=0; i<AVMEDIA_TYPE_NB; i++){
4329 avcodec_opts[i]= avcodec_alloc_context2(i);
4331 avformat_opts = avformat_alloc_context();
4332 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4337 parse_options(argc, argv, options, opt_output_file);
4339 if(nb_output_files <= 0 && nb_input_files == 0) {
4341 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4345 /* file converter / grab */
4346 if (nb_output_files <= 0) {
4347 fprintf(stderr, "At least one output file must be specified\n");
4351 if (nb_input_files == 0) {
4352 fprintf(stderr, "At least one input file must be specified\n");
4357 if (av_transcode(output_files, nb_output_files, input_files, nb_input_files,
4358 stream_maps, nb_stream_maps) < 0)
4360 ti = getutime() - ti;
4362 int maxrss = getmaxrss() / 1024;
4363 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);