3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/avstring.h"
43 #include "libavformat/os_support.h"
45 #if HAVE_SYS_RESOURCE_H
46 #include <sys/types.h>
47 #include <sys/resource.h>
48 #elif HAVE_GETPROCESSTIMES
53 #include <sys/select.h>
58 #include <sys/ioctl.h>
64 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
74 const char program_name[] = "FFmpeg";
75 const int program_birth_year = 2000;
77 /* select an input stream for an output stream */
78 typedef struct AVStreamMap {
82 int sync_stream_index;
85 /** select an input file for an output file */
86 typedef struct AVMetaDataMap {
91 static const OptionDef options[];
95 static const char *last_asked_format = NULL;
96 static AVFormatContext *input_files[MAX_FILES];
97 static int64_t input_files_ts_offset[MAX_FILES];
98 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
99 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
100 static int nb_input_files = 0;
101 static int nb_icodecs;
103 static AVFormatContext *output_files[MAX_FILES];
104 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
105 static int nb_output_files = 0;
106 static int nb_ocodecs;
108 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
109 static int nb_stream_maps;
111 static AVMetaDataMap meta_data_maps[MAX_FILES];
112 static int nb_meta_data_maps;
114 static int frame_width = 0;
115 static int frame_height = 0;
116 static float frame_aspect_ratio = 0;
117 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
118 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
119 static int frame_padtop = 0;
120 static int frame_padbottom = 0;
121 static int frame_padleft = 0;
122 static int frame_padright = 0;
123 static int padcolor[3] = {16,128,128}; /* default to black */
124 static int frame_topBand = 0;
125 static int frame_bottomBand = 0;
126 static int frame_leftBand = 0;
127 static int frame_rightBand = 0;
128 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
129 static AVRational frame_rate;
130 static float video_qscale = 0;
131 static uint16_t *intra_matrix = NULL;
132 static uint16_t *inter_matrix = NULL;
133 static const char *video_rc_override_string=NULL;
134 static int video_disable = 0;
135 static int video_discard = 0;
136 static char *video_codec_name = NULL;
137 static int video_codec_tag = 0;
138 static char *video_language = NULL;
139 static int same_quality = 0;
140 static int do_deinterlace = 0;
141 static int top_field_first = -1;
142 static int me_threshold = 0;
143 static int intra_dc_precision = 8;
144 static int loop_input = 0;
145 static int loop_output = AVFMT_NOOUTPUTLOOP;
146 static int qp_hist = 0;
148 static int intra_only = 0;
149 static int audio_sample_rate = 44100;
150 static int64_t channel_layout = 0;
151 #define QSCALE_NONE -99999
152 static float audio_qscale = QSCALE_NONE;
153 static int audio_disable = 0;
154 static int audio_channels = 1;
155 static char *audio_codec_name = NULL;
156 static int audio_codec_tag = 0;
157 static char *audio_language = NULL;
159 static int subtitle_disable = 0;
160 static char *subtitle_codec_name = NULL;
161 static char *subtitle_language = NULL;
162 static int subtitle_codec_tag = 0;
164 static float mux_preload= 0.5;
165 static float mux_max_delay= 0.7;
167 static int64_t recording_time = INT64_MAX;
168 static int64_t start_time = 0;
169 static int64_t rec_timestamp = 0;
170 static int64_t input_ts_offset = 0;
171 static int file_overwrite = 0;
172 static int metadata_count;
173 static AVMetadataTag *metadata;
174 static int do_benchmark = 0;
175 static int do_hex_dump = 0;
176 static int do_pkt_dump = 0;
177 static int do_psnr = 0;
178 static int do_pass = 0;
179 static char *pass_logfilename_prefix = NULL;
180 static int audio_stream_copy = 0;
181 static int video_stream_copy = 0;
182 static int subtitle_stream_copy = 0;
183 static int video_sync_method= -1;
184 static int audio_sync_method= 0;
185 static float audio_drift_threshold= 0.1;
186 static int copy_ts= 0;
187 static int opt_shortest = 0;
188 static int video_global_header = 0;
189 static char *vstats_filename;
190 static FILE *vstats_file;
191 static int opt_programid = 0;
192 static int copy_initial_nonkeyframes = 0;
194 static int rate_emu = 0;
196 static int video_channel = 0;
197 static char *video_standard;
199 static int audio_volume = 256;
201 static int exit_on_error = 0;
202 static int using_stdin = 0;
203 static int verbose = 1;
204 static int thread_count= 1;
205 static int q_pressed = 0;
206 static int64_t video_size = 0;
207 static int64_t audio_size = 0;
208 static int64_t extra_size = 0;
209 static int nb_frames_dup = 0;
210 static int nb_frames_drop = 0;
211 static int input_sync;
212 static uint64_t limit_filesize = 0;
213 static int force_fps = 0;
215 static int pgmyuv_compatibility_hack=0;
216 static float dts_delta_threshold = 10;
218 static unsigned int sws_flags = SWS_BICUBIC;
220 static int64_t timer_start;
222 static uint8_t *audio_buf;
223 static uint8_t *audio_out;
224 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
226 static short *samples;
228 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
231 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
233 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
235 struct AVInputStream;
237 typedef struct AVOutputStream {
238 int file_index; /* file index */
239 int index; /* stream index in the output file */
240 int source_index; /* AVInputStream index */
241 AVStream *st; /* stream in the output file */
242 int encoding_needed; /* true if encoding needed for this stream */
244 /* input pts and corresponding output pts
246 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
247 struct AVInputStream *sync_ist; /* input stream to sync against */
248 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
251 AVFrame pict_tmp; /* temporary image for resampling */
252 struct SwsContext *img_resample_ctx; /* for image resampling */
255 int resample_pix_fmt;
257 /* full frame size of first frame */
261 /* cropping area sizes */
268 /* cropping area of first frame */
269 int original_topBand;
270 int original_bottomBand;
271 int original_leftBand;
272 int original_rightBand;
274 /* padding area sizes */
283 ReSampleContext *resample; /* for audio resampling */
285 AVAudioConvert *reformat_ctx;
286 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
290 typedef struct AVInputStream {
294 int discard; /* true if stream data should be discarded */
295 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
296 int64_t sample_index; /* current sample */
298 int64_t start; /* time when read started */
299 int64_t next_pts; /* synthetic pts for cases where pkt.pts
301 int64_t pts; /* current pts */
302 int is_start; /* is 1 at the start and after a discontinuity */
303 int showed_multi_packet_warning;
306 typedef struct AVInputFile {
307 int eof_reached; /* true if eof reached */
308 int ist_index; /* index of first stream in ist_table */
309 int buffer_size; /* current total buffer size */
310 int nb_streams; /* nb streams we are aware of */
315 /* init terminal so that we can grab keys */
316 static struct termios oldtty;
319 static void term_exit(void)
322 tcsetattr (0, TCSANOW, &oldtty);
326 static volatile int received_sigterm = 0;
329 sigterm_handler(int sig)
331 received_sigterm = sig;
335 static void term_init(void)
343 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
344 |INLCR|IGNCR|ICRNL|IXON);
345 tty.c_oflag |= OPOST;
346 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
347 tty.c_cflag &= ~(CSIZE|PARENB);
352 tcsetattr (0, TCSANOW, &tty);
353 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
356 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
357 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
359 signal(SIGXCPU, sigterm_handler);
363 register a function to be called at normal program termination
366 #if CONFIG_BEOS_NETSERVER
367 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
371 /* read a key without blocking */
372 static int read_key(void)
377 #if !CONFIG_BEOS_NETSERVER
385 n = select(1, &rfds, NULL, NULL, &tv);
401 static int decode_interrupt_cb(void)
403 return q_pressed || (q_pressed = read_key() == 'q');
406 static int av_exit(int ret)
411 for(i=0;i<nb_output_files;i++) {
412 /* maybe av_close_output_file ??? */
413 AVFormatContext *s = output_files[i];
415 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
417 for(j=0;j<s->nb_streams;j++) {
418 av_metadata_free(&s->streams[j]->metadata);
419 av_free(s->streams[j]->codec);
420 av_free(s->streams[j]);
422 for(j=0;j<s->nb_programs;j++) {
423 av_metadata_free(&s->programs[j]->metadata);
425 for(j=0;j<s->nb_chapters;j++) {
426 av_metadata_free(&s->chapters[j]->metadata);
428 av_metadata_free(&s->metadata);
431 for(i=0;i<nb_input_files;i++)
432 av_close_input_file(input_files[i]);
434 av_free(intra_matrix);
435 av_free(inter_matrix);
439 av_free(vstats_filename);
443 av_free(video_codec_name);
444 av_free(audio_codec_name);
445 av_free(subtitle_codec_name);
447 av_free(video_standard);
449 #if CONFIG_POWERPC_PERF
450 void powerpc_display_perf_report(void);
451 powerpc_display_perf_report();
452 #endif /* CONFIG_POWERPC_PERF */
454 for (i=0;i<CODEC_TYPE_NB;i++)
455 av_free(avcodec_opts[i]);
456 av_free(avformat_opts);
460 allocated_audio_buf_size= allocated_audio_out_size= 0;
463 if (received_sigterm) {
465 "Received signal %d: terminating.\n",
466 (int) received_sigterm);
470 exit(ret); /* not all OS-es handle main() return value */
474 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
480 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
483 /* copy stream format */
484 s->nb_streams = ic->nb_streams;
485 for(i=0;i<ic->nb_streams;i++) {
488 // FIXME: a more elegant solution is needed
489 st = av_mallocz(sizeof(AVStream));
490 memcpy(st, ic->streams[i], sizeof(AVStream));
491 st->codec = avcodec_alloc_context();
493 print_error(filename, AVERROR(ENOMEM));
496 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
499 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
501 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
504 if(!st->codec->thread_count)
505 st->codec->thread_count = 1;
506 if(st->codec->thread_count>1)
507 avcodec_thread_init(st->codec, st->codec->thread_count);
509 if(st->codec->flags & CODEC_FLAG_BITEXACT)
514 s->timestamp = av_gettime();
516 av_close_input_file(ic);
521 get_sync_ipts(const AVOutputStream *ost)
523 const AVInputStream *ist = ost->sync_ist;
524 return (double)(ist->pts - start_time)/AV_TIME_BASE;
527 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
531 AVPacket new_pkt= *pkt;
532 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
533 &new_pkt.data, &new_pkt.size,
534 pkt->data, pkt->size,
535 pkt->flags & PKT_FLAG_KEY);
538 new_pkt.destruct= av_destruct_packet;
540 fprintf(stderr, "%s failed for stream %d, codec %s",
541 bsfc->filter->name, pkt->stream_index,
542 avctx->codec ? avctx->codec->name : "copy");
552 ret= av_interleaved_write_frame(s, pkt);
554 print_error("av_interleaved_write_frame()", ret);
559 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
561 static void do_audio_out(AVFormatContext *s,
564 unsigned char *buf, int size)
567 int64_t audio_out_size, audio_buf_size;
568 int64_t allocated_for_size= size;
570 int size_out, frame_bytes, ret;
571 AVCodecContext *enc= ost->st->codec;
572 AVCodecContext *dec= ist->st->codec;
573 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
574 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
575 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
578 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
579 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
580 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
581 audio_buf_size*= osize*enc->channels;
583 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
584 if(coded_bps > 8*osize)
585 audio_out_size= audio_out_size * coded_bps / (8*osize);
586 audio_out_size += FF_MIN_BUFFER_SIZE;
588 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
589 fprintf(stderr, "Buffer sizes too large\n");
593 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
594 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
595 if (!audio_buf || !audio_out){
596 fprintf(stderr, "Out of memory in do_audio_out\n");
600 if (enc->channels != dec->channels)
601 ost->audio_resample = 1;
603 if (ost->audio_resample && !ost->resample) {
604 if (dec->sample_fmt != SAMPLE_FMT_S16)
605 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
606 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
607 enc->sample_rate, dec->sample_rate,
608 enc->sample_fmt, dec->sample_fmt,
610 if (!ost->resample) {
611 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
612 dec->channels, dec->sample_rate,
613 enc->channels, enc->sample_rate);
618 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
619 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
620 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
621 if (ost->reformat_ctx)
622 av_audio_convert_free(ost->reformat_ctx);
623 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
624 dec->sample_fmt, 1, NULL, 0);
625 if (!ost->reformat_ctx) {
626 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
627 avcodec_get_sample_fmt_name(dec->sample_fmt),
628 avcodec_get_sample_fmt_name(enc->sample_fmt));
631 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
634 if(audio_sync_method){
635 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
636 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
637 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
638 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
640 //FIXME resample delay
641 if(fabs(delta) > 50){
642 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
644 byte_delta= FFMAX(byte_delta, -size);
648 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
653 static uint8_t *input_tmp= NULL;
654 input_tmp= av_realloc(input_tmp, byte_delta + size);
656 if(byte_delta > allocated_for_size - size){
657 allocated_for_size= byte_delta + (int64_t)size;
662 memset(input_tmp, 0, byte_delta);
663 memcpy(input_tmp + byte_delta, buf, size);
667 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
669 }else if(audio_sync_method>1){
670 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
671 assert(ost->audio_resample);
673 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
674 // 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));
675 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
679 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
680 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
682 if (ost->audio_resample) {
684 size_out = audio_resample(ost->resample,
685 (short *)buftmp, (short *)buf,
686 size / (ist->st->codec->channels * isize));
687 size_out = size_out * enc->channels * osize;
693 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
694 const void *ibuf[6]= {buftmp};
695 void *obuf[6]= {audio_buf};
696 int istride[6]= {isize};
697 int ostride[6]= {osize};
698 int len= size_out/istride[0];
699 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
700 printf("av_audio_convert() failed\n");
706 size_out = len*osize;
709 /* now encode as many frames as possible */
710 if (enc->frame_size > 1) {
711 /* output resampled raw samples */
712 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
713 fprintf(stderr, "av_fifo_realloc2() failed\n");
716 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
718 frame_bytes = enc->frame_size * osize * enc->channels;
720 while (av_fifo_size(ost->fifo) >= frame_bytes) {
722 av_init_packet(&pkt);
724 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
726 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
728 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
731 fprintf(stderr, "Audio encoding failed\n");
735 pkt.stream_index= ost->index;
738 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
739 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
740 pkt.flags |= PKT_FLAG_KEY;
741 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
743 ost->sync_opts += enc->frame_size;
747 av_init_packet(&pkt);
749 ost->sync_opts += size_out / (osize * enc->channels);
751 /* output a pcm frame */
752 /* determine the size of the coded buffer */
755 size_out = size_out*coded_bps/8;
757 if(size_out > audio_out_size){
758 fprintf(stderr, "Internal error, buffer size too small\n");
762 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
763 ret = avcodec_encode_audio(enc, audio_out, size_out,
766 fprintf(stderr, "Audio encoding failed\n");
770 pkt.stream_index= ost->index;
773 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
774 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
775 pkt.flags |= PKT_FLAG_KEY;
776 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
780 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
784 AVPicture picture_tmp;
787 dec = ist->st->codec;
789 /* deinterlace : must be done before any resize */
790 if (do_deinterlace) {
793 /* create temporary picture */
794 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
795 buf = av_malloc(size);
799 picture2 = &picture_tmp;
800 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
802 if(avpicture_deinterlace(picture2, picture,
803 dec->pix_fmt, dec->width, dec->height) < 0) {
804 /* if error, do not deinterlace */
805 fprintf(stderr, "Deinterlacing failed\n");
814 if (picture != picture2)
815 *picture = *picture2;
819 /* we begin to correct av delay at this threshold */
820 #define AV_DELAY_MAX 0.100
822 static void do_subtitle_out(AVFormatContext *s,
828 static uint8_t *subtitle_out = NULL;
829 int subtitle_out_max_size = 1024 * 1024;
830 int subtitle_out_size, nb, i;
834 if (pts == AV_NOPTS_VALUE) {
835 fprintf(stderr, "Subtitle packets must have a pts\n");
841 enc = ost->st->codec;
844 subtitle_out = av_malloc(subtitle_out_max_size);
847 /* Note: DVB subtitle need one packet to draw them and one other
848 packet to clear them */
849 /* XXX: signal it in the codec context ? */
850 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
855 for(i = 0; i < nb; i++) {
856 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
857 // start_display_time is required to be 0
858 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
859 sub->end_display_time -= sub->start_display_time;
860 sub->start_display_time = 0;
861 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
862 subtitle_out_max_size, sub);
863 if (subtitle_out_size < 0) {
864 fprintf(stderr, "Subtitle encoding failed\n");
868 av_init_packet(&pkt);
869 pkt.stream_index = ost->index;
870 pkt.data = subtitle_out;
871 pkt.size = subtitle_out_size;
872 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
873 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
874 /* XXX: the pts correction is handled here. Maybe handling
875 it in the codec would be better */
877 pkt.pts += 90 * sub->start_display_time;
879 pkt.pts += 90 * sub->end_display_time;
881 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
885 static int bit_buffer_size= 1024*256;
886 static uint8_t *bit_buffer= NULL;
888 static void do_video_out(AVFormatContext *s,
894 int nb_frames, i, ret;
895 int64_t topBand, bottomBand, leftBand, rightBand;
896 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
897 AVFrame picture_crop_temp, picture_pad_temp;
898 AVCodecContext *enc, *dec;
900 avcodec_get_frame_defaults(&picture_crop_temp);
901 avcodec_get_frame_defaults(&picture_pad_temp);
903 enc = ost->st->codec;
904 dec = ist->st->codec;
906 /* by default, we output a single frame */
911 if(video_sync_method){
913 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
914 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
917 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
921 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
922 }else if (vdelta > 1.1)
923 nb_frames = lrintf(vdelta);
924 //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);
928 fprintf(stderr, "*** drop!\n");
929 }else if (nb_frames > 1) {
930 nb_frames_dup += nb_frames - 1;
932 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
935 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
937 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
941 if (ost->video_crop) {
942 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
943 fprintf(stderr, "error cropping picture\n");
948 formatted_picture = &picture_crop_temp;
950 formatted_picture = in_picture;
953 final_picture = formatted_picture;
954 padding_src = formatted_picture;
955 resampling_dst = &ost->pict_tmp;
956 if (ost->video_pad) {
957 final_picture = &ost->pict_tmp;
958 if (ost->video_resample) {
959 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
960 fprintf(stderr, "error padding picture\n");
965 resampling_dst = &picture_pad_temp;
969 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
970 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
971 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
973 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));
974 if(!ost->video_resample)
978 if (ost->video_resample) {
980 final_picture = &ost->pict_tmp;
981 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
982 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
983 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
985 /* keep bands proportional to the frame size */
986 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
987 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
988 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
989 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
991 /* sanity check to ensure no bad band sizes sneak in */
992 assert(topBand <= INT_MAX && topBand >= 0);
993 assert(bottomBand <= INT_MAX && bottomBand >= 0);
994 assert(leftBand <= INT_MAX && leftBand >= 0);
995 assert(rightBand <= INT_MAX && rightBand >= 0);
997 ost->topBand = topBand;
998 ost->bottomBand = bottomBand;
999 ost->leftBand = leftBand;
1000 ost->rightBand = rightBand;
1002 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1003 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1004 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1006 /* initialize a new scaler context */
1007 sws_freeContext(ost->img_resample_ctx);
1008 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1009 ost->img_resample_ctx = sws_getContext(
1010 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1011 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1012 ist->st->codec->pix_fmt,
1013 ost->st->codec->width - (ost->padleft + ost->padright),
1014 ost->st->codec->height - (ost->padtop + ost->padbottom),
1015 ost->st->codec->pix_fmt,
1016 sws_flags, NULL, NULL, NULL);
1017 if (ost->img_resample_ctx == NULL) {
1018 fprintf(stderr, "Cannot get resampling context\n");
1022 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1023 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1026 if (ost->video_pad) {
1027 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1028 enc->height, enc->width, enc->pix_fmt,
1029 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1032 /* duplicates frame if needed */
1033 for(i=0;i<nb_frames;i++) {
1035 av_init_packet(&pkt);
1036 pkt.stream_index= ost->index;
1038 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1039 /* raw pictures are written as AVPicture structure to
1040 avoid any copies. We support temorarily the older
1042 AVFrame* old_frame = enc->coded_frame;
1043 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1044 pkt.data= (uint8_t *)final_picture;
1045 pkt.size= sizeof(AVPicture);
1046 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1047 pkt.flags |= PKT_FLAG_KEY;
1049 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1050 enc->coded_frame = old_frame;
1052 AVFrame big_picture;
1054 big_picture= *final_picture;
1055 /* better than nothing: use input picture interlaced
1057 big_picture.interlaced_frame = in_picture->interlaced_frame;
1058 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1059 if(top_field_first == -1)
1060 big_picture.top_field_first = in_picture->top_field_first;
1062 big_picture.top_field_first = top_field_first;
1065 /* handles sameq here. This is not correct because it may
1066 not be a global option */
1068 big_picture.quality = ist->st->quality;
1070 big_picture.quality = ost->st->quality;
1072 big_picture.pict_type = 0;
1073 // big_picture.pts = AV_NOPTS_VALUE;
1074 big_picture.pts= ost->sync_opts;
1075 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1076 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1077 ret = avcodec_encode_video(enc,
1078 bit_buffer, bit_buffer_size,
1081 fprintf(stderr, "Video encoding failed\n");
1086 pkt.data= bit_buffer;
1088 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1089 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1090 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1091 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1092 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1094 if(enc->coded_frame->key_frame)
1095 pkt.flags |= PKT_FLAG_KEY;
1096 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1099 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1100 // enc->frame_number-1, ret, enc->pict_type);
1101 /* if two pass, output log */
1102 if (ost->logfile && enc->stats_out) {
1103 fprintf(ost->logfile, "%s", enc->stats_out);
1108 ost->frame_number++;
1112 static double psnr(double d){
1113 return -10.0*log(d)/log(10.0);
1116 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1119 AVCodecContext *enc;
1121 double ti1, bitrate, avg_bitrate;
1123 /* this is executed just the first time do_video_stats is called */
1125 vstats_file = fopen(vstats_filename, "w");
1132 enc = ost->st->codec;
1133 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1134 frame_number = ost->frame_number;
1135 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1136 if (enc->flags&CODEC_FLAG_PSNR)
1137 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1139 fprintf(vstats_file,"f_size= %6d ", frame_size);
1140 /* compute pts value */
1141 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1145 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1146 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1147 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1148 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1149 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1153 static void print_report(AVFormatContext **output_files,
1154 AVOutputStream **ost_table, int nb_ostreams,
1158 AVOutputStream *ost;
1159 AVFormatContext *oc;
1161 AVCodecContext *enc;
1162 int frame_number, vid, i;
1163 double bitrate, ti1, pts;
1164 static int64_t last_time = -1;
1165 static int qp_histogram[52];
1167 if (!is_last_report) {
1169 /* display the report every 0.5 seconds */
1170 cur_time = av_gettime();
1171 if (last_time == -1) {
1172 last_time = cur_time;
1175 if ((cur_time - last_time) < 500000)
1177 last_time = cur_time;
1181 oc = output_files[0];
1183 total_size = url_fsize(oc->pb);
1184 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1185 total_size= url_ftell(oc->pb);
1190 for(i=0;i<nb_ostreams;i++) {
1192 enc = ost->st->codec;
1193 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1194 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1195 !ost->st->stream_copy ?
1196 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1198 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1199 float t = (av_gettime()-timer_start) / 1000000.0;
1201 frame_number = ost->frame_number;
1202 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1203 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1204 !ost->st->stream_copy ?
1205 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1207 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1210 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1211 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1214 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1216 if (enc->flags&CODEC_FLAG_PSNR){
1218 double error, error_sum=0;
1219 double scale, scale_sum=0;
1220 char type[3]= {'Y','U','V'};
1221 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1224 error= enc->error[j];
1225 scale= enc->width*enc->height*255.0*255.0*frame_number;
1227 error= enc->coded_frame->error[j];
1228 scale= enc->width*enc->height*255.0*255.0;
1233 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1235 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1239 /* compute min output value */
1240 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1241 if ((pts < ti1) && (pts > 0))
1247 if (verbose || is_last_report) {
1248 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1250 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1251 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1252 (double)total_size / 1024, ti1, bitrate);
1254 if (nb_frames_dup || nb_frames_drop)
1255 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1256 nb_frames_dup, nb_frames_drop);
1259 fprintf(stderr, "%s \r", buf);
1264 if (is_last_report && verbose >= 0){
1265 int64_t raw= audio_size + video_size + extra_size;
1266 fprintf(stderr, "\n");
1267 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1271 100.0*(total_size - raw)/raw
1276 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1277 static int output_packet(AVInputStream *ist, int ist_index,
1278 AVOutputStream **ost_table, int nb_ostreams,
1279 const AVPacket *pkt)
1281 AVFormatContext *os;
1282 AVOutputStream *ost;
1286 void *buffer_to_free;
1287 static unsigned int samples_size= 0;
1288 AVSubtitle subtitle, *subtitle_to_free;
1291 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1293 if(ist->next_pts == AV_NOPTS_VALUE)
1294 ist->next_pts= ist->pts;
1298 av_init_packet(&avpkt);
1306 if(pkt->dts != AV_NOPTS_VALUE)
1307 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1309 //while we have more to decode or while the decoder did output something on EOF
1310 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1311 uint8_t *data_buf, *decoded_data_buf;
1312 int data_size, decoded_data_size;
1314 ist->pts= ist->next_pts;
1316 if(avpkt.size && avpkt.size != pkt->size &&
1317 (!ist->showed_multi_packet_warning && verbose>0 || verbose>1)){
1318 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1319 ist->showed_multi_packet_warning=1;
1322 /* decode the packet if needed */
1323 decoded_data_buf = NULL; /* fail safe */
1324 decoded_data_size= 0;
1325 data_buf = avpkt.data;
1326 data_size = avpkt.size;
1327 subtitle_to_free = NULL;
1328 if (ist->decoding_needed) {
1329 switch(ist->st->codec->codec_type) {
1330 case CODEC_TYPE_AUDIO:{
1331 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1332 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1334 samples= av_malloc(samples_size);
1336 decoded_data_size= samples_size;
1337 /* XXX: could avoid copy if PCM 16 bits with same
1338 endianness as CPU */
1339 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1346 /* Some bug in mpeg audio decoder gives */
1347 /* decoded_data_size < 0, it seems they are overflows */
1348 if (decoded_data_size <= 0) {
1349 /* no audio frame */
1352 decoded_data_buf = (uint8_t *)samples;
1353 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1354 (ist->st->codec->sample_rate * ist->st->codec->channels);
1356 case CODEC_TYPE_VIDEO:
1357 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1358 /* XXX: allocate picture correctly */
1359 avcodec_get_frame_defaults(&picture);
1361 ret = avcodec_decode_video2(ist->st->codec,
1362 &picture, &got_picture, &avpkt);
1363 ist->st->quality= picture.quality;
1367 /* no picture yet */
1368 goto discard_packet;
1370 if (ist->st->codec->time_base.num != 0) {
1371 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1372 ist->next_pts += ((int64_t)AV_TIME_BASE *
1373 ist->st->codec->time_base.num * ticks) /
1374 ist->st->codec->time_base.den;
1378 case CODEC_TYPE_SUBTITLE:
1379 ret = avcodec_decode_subtitle2(ist->st->codec,
1380 &subtitle, &got_subtitle, &avpkt);
1383 if (!got_subtitle) {
1384 goto discard_packet;
1386 subtitle_to_free = &subtitle;
1393 switch(ist->st->codec->codec_type) {
1394 case CODEC_TYPE_AUDIO:
1395 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1396 ist->st->codec->sample_rate;
1398 case CODEC_TYPE_VIDEO:
1399 if (ist->st->codec->time_base.num != 0) {
1400 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1401 ist->next_pts += ((int64_t)AV_TIME_BASE *
1402 ist->st->codec->time_base.num * ticks) /
1403 ist->st->codec->time_base.den;
1411 buffer_to_free = NULL;
1412 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1413 pre_process_video_frame(ist, (AVPicture *)&picture,
1417 // preprocess audio (volume)
1418 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1419 if (audio_volume != 256) {
1422 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1423 int v = ((*volp) * audio_volume + 128) >> 8;
1424 if (v < -32768) v = -32768;
1425 if (v > 32767) v = 32767;
1431 /* frame rate emulation */
1433 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1434 int64_t now = av_gettime() - ist->start;
1439 /* if output time reached then transcode raw format,
1440 encode packets and output them */
1441 if (start_time == 0 || ist->pts >= start_time)
1442 for(i=0;i<nb_ostreams;i++) {
1446 if (ost->source_index == ist_index) {
1447 os = output_files[ost->file_index];
1449 /* set the input output pts pairs */
1450 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1452 if (ost->encoding_needed) {
1453 assert(ist->decoding_needed);
1454 switch(ost->st->codec->codec_type) {
1455 case CODEC_TYPE_AUDIO:
1456 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1458 case CODEC_TYPE_VIDEO:
1459 do_video_out(os, ost, ist, &picture, &frame_size);
1460 if (vstats_filename && frame_size)
1461 do_video_stats(os, ost, frame_size);
1463 case CODEC_TYPE_SUBTITLE:
1464 do_subtitle_out(os, ost, ist, &subtitle,
1471 AVFrame avframe; //FIXME/XXX remove this
1473 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1475 av_init_packet(&opkt);
1477 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1480 /* no reencoding needed : output the packet directly */
1481 /* force the input stream PTS */
1483 avcodec_get_frame_defaults(&avframe);
1484 ost->st->codec->coded_frame= &avframe;
1485 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1487 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1488 audio_size += data_size;
1489 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1490 video_size += data_size;
1494 opkt.stream_index= ost->index;
1495 if(pkt->pts != AV_NOPTS_VALUE)
1496 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1498 opkt.pts= AV_NOPTS_VALUE;
1500 if (pkt->dts == AV_NOPTS_VALUE)
1501 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1503 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1504 opkt.dts -= ost_tb_start_time;
1506 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1507 opkt.flags= pkt->flags;
1509 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1510 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1511 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1512 opkt.destruct= av_destruct_packet;
1514 opkt.data = data_buf;
1515 opkt.size = data_size;
1518 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1519 ost->st->codec->frame_number++;
1520 ost->frame_number++;
1521 av_free_packet(&opkt);
1525 av_free(buffer_to_free);
1526 /* XXX: allocate the subtitles in the codec ? */
1527 if (subtitle_to_free) {
1528 if (subtitle_to_free->rects != NULL) {
1529 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1530 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1531 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1532 av_freep(&subtitle_to_free->rects[i]);
1534 av_freep(&subtitle_to_free->rects);
1536 subtitle_to_free->num_rects = 0;
1537 subtitle_to_free = NULL;
1544 for(i=0;i<nb_ostreams;i++) {
1546 if (ost->source_index == ist_index) {
1547 AVCodecContext *enc= ost->st->codec;
1548 os = output_files[ost->file_index];
1550 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1552 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1555 if (ost->encoding_needed) {
1559 av_init_packet(&pkt);
1560 pkt.stream_index= ost->index;
1562 switch(ost->st->codec->codec_type) {
1563 case CODEC_TYPE_AUDIO:
1564 fifo_bytes = av_fifo_size(ost->fifo);
1566 /* encode any samples remaining in fifo */
1567 if (fifo_bytes > 0) {
1568 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1569 int fs_tmp = enc->frame_size;
1571 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1572 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1573 enc->frame_size = fifo_bytes / (osize * enc->channels);
1575 int frame_bytes = enc->frame_size*osize*enc->channels;
1576 if (samples_size < frame_bytes)
1578 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1581 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1582 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1583 ost->st->time_base.num, enc->sample_rate);
1584 enc->frame_size = fs_tmp;
1587 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1590 fprintf(stderr, "Audio encoding failed\n");
1594 pkt.flags |= PKT_FLAG_KEY;
1596 case CODEC_TYPE_VIDEO:
1597 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1599 fprintf(stderr, "Video encoding failed\n");
1603 if(enc->coded_frame && enc->coded_frame->key_frame)
1604 pkt.flags |= PKT_FLAG_KEY;
1605 if (ost->logfile && enc->stats_out) {
1606 fprintf(ost->logfile, "%s", enc->stats_out);
1615 pkt.data= bit_buffer;
1617 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1618 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1619 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1631 static void print_sdp(AVFormatContext **avc, int n)
1635 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1636 printf("SDP:\n%s\n", sdp);
1640 static int stream_index_from_inputs(AVFormatContext **input_files,
1642 AVInputFile *file_table,
1643 AVInputStream **ist_table,
1644 enum CodecType type,
1648 for(z=0; z<nb_input_files; z++) {
1649 AVFormatContext *ic = input_files[z];
1650 for(p=0; p<ic->nb_programs; p++) {
1651 AVProgram *program = ic->programs[p];
1652 if(program->id != programid)
1654 for(q=0; q<program->nb_stream_indexes; q++) {
1655 int sidx = program->stream_index[q];
1656 int ris = file_table[z].ist_index + sidx;
1657 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1667 * The following code is the main loop of the file converter
1669 static int av_encode(AVFormatContext **output_files,
1670 int nb_output_files,
1671 AVFormatContext **input_files,
1673 AVStreamMap *stream_maps, int nb_stream_maps)
1675 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1676 AVFormatContext *is, *os;
1677 AVCodecContext *codec, *icodec;
1678 AVOutputStream *ost, **ost_table = NULL;
1679 AVInputStream *ist, **ist_table = NULL;
1680 AVInputFile *file_table;
1684 uint8_t no_packet[MAX_FILES]={0};
1685 int no_packet_count=0;
1687 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1691 /* input stream init */
1693 for(i=0;i<nb_input_files;i++) {
1694 is = input_files[i];
1695 file_table[i].ist_index = j;
1696 file_table[i].nb_streams = is->nb_streams;
1697 j += is->nb_streams;
1701 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1705 for(i=0;i<nb_istreams;i++) {
1706 ist = av_mallocz(sizeof(AVInputStream));
1712 for(i=0;i<nb_input_files;i++) {
1713 is = input_files[i];
1714 for(k=0;k<is->nb_streams;k++) {
1715 ist = ist_table[j++];
1716 ist->st = is->streams[k];
1717 ist->file_index = i;
1719 ist->discard = 1; /* the stream is discarded by default
1723 ist->start = av_gettime();
1728 /* output stream init */
1730 for(i=0;i<nb_output_files;i++) {
1731 os = output_files[i];
1732 if (!os->nb_streams) {
1733 dump_format(output_files[i], i, output_files[i]->filename, 1);
1734 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1737 nb_ostreams += os->nb_streams;
1739 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1740 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1744 /* Sanity check the mapping args -- do the input files & streams exist? */
1745 for(i=0;i<nb_stream_maps;i++) {
1746 int fi = stream_maps[i].file_index;
1747 int si = stream_maps[i].stream_index;
1749 if (fi < 0 || fi > nb_input_files - 1 ||
1750 si < 0 || si > file_table[fi].nb_streams - 1) {
1751 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1754 fi = stream_maps[i].sync_file_index;
1755 si = stream_maps[i].sync_stream_index;
1756 if (fi < 0 || fi > nb_input_files - 1 ||
1757 si < 0 || si > file_table[fi].nb_streams - 1) {
1758 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1763 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1766 for(i=0;i<nb_ostreams;i++) {
1767 ost = av_mallocz(sizeof(AVOutputStream));
1774 for(k=0;k<nb_output_files;k++) {
1775 os = output_files[k];
1776 for(i=0;i<os->nb_streams;i++,n++) {
1779 ost->file_index = k;
1781 ost->st = os->streams[i];
1782 if (nb_stream_maps > 0) {
1783 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1784 stream_maps[n].stream_index;
1786 /* Sanity check that the stream types match */
1787 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1788 int i= ost->file_index;
1789 dump_format(output_files[i], i, output_files[i]->filename, 1);
1790 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1791 stream_maps[n].file_index, stream_maps[n].stream_index,
1792 ost->file_index, ost->index);
1799 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1801 ost->source_index = j;
1805 /* get corresponding input stream index : we select the first one with the right type */
1807 for(j=0;j<nb_istreams;j++) {
1810 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1811 ost->source_index = j;
1819 if(! opt_programid) {
1820 /* try again and reuse existing stream */
1821 for(j=0;j<nb_istreams;j++) {
1823 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1824 ost->source_index = j;
1830 int i= ost->file_index;
1831 dump_format(output_files[i], i, output_files[i]->filename, 1);
1832 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1833 ost->file_index, ost->index);
1838 ist = ist_table[ost->source_index];
1840 ost->sync_ist = (nb_stream_maps > 0) ?
1841 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1842 stream_maps[n].sync_stream_index] : ist;
1846 /* for each output stream, we compute the right encoding parameters */
1847 for(i=0;i<nb_ostreams;i++) {
1848 AVMetadataTag *lang;
1850 os = output_files[ost->file_index];
1851 ist = ist_table[ost->source_index];
1853 codec = ost->st->codec;
1854 icodec = ist->st->codec;
1856 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1857 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1858 av_metadata_set(&ost->st->metadata, "language", lang->value);
1860 ost->st->disposition = ist->st->disposition;
1861 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1862 codec->chroma_sample_location = icodec->chroma_sample_location;
1864 if (ost->st->stream_copy) {
1865 /* if stream_copy is selected, no need to decode or encode */
1866 codec->codec_id = icodec->codec_id;
1867 codec->codec_type = icodec->codec_type;
1869 if(!codec->codec_tag){
1870 if( !os->oformat->codec_tag
1871 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1872 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1873 codec->codec_tag = icodec->codec_tag;
1876 codec->bit_rate = icodec->bit_rate;
1877 codec->extradata= icodec->extradata;
1878 codec->extradata_size= icodec->extradata_size;
1879 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){
1880 codec->time_base = icodec->time_base;
1881 codec->time_base.num *= icodec->ticks_per_frame;
1883 codec->time_base = ist->st->time_base;
1884 switch(codec->codec_type) {
1885 case CODEC_TYPE_AUDIO:
1886 if(audio_volume != 256) {
1887 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1890 codec->channel_layout = icodec->channel_layout;
1891 codec->sample_rate = icodec->sample_rate;
1892 codec->channels = icodec->channels;
1893 codec->frame_size = icodec->frame_size;
1894 codec->block_align= icodec->block_align;
1895 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1896 codec->block_align= 0;
1897 if(codec->codec_id == CODEC_ID_AC3)
1898 codec->block_align= 0;
1900 case CODEC_TYPE_VIDEO:
1901 codec->pix_fmt = icodec->pix_fmt;
1902 codec->width = icodec->width;
1903 codec->height = icodec->height;
1904 codec->has_b_frames = icodec->has_b_frames;
1906 case CODEC_TYPE_SUBTITLE:
1907 codec->width = icodec->width;
1908 codec->height = icodec->height;
1914 switch(codec->codec_type) {
1915 case CODEC_TYPE_AUDIO:
1916 ost->fifo= av_fifo_alloc(1024);
1919 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1920 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1921 icodec->request_channels = codec->channels;
1922 ist->decoding_needed = 1;
1923 ost->encoding_needed = 1;
1925 case CODEC_TYPE_VIDEO:
1926 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1927 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1930 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1931 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1932 ost->video_resample = ((codec->width != icodec->width -
1933 (frame_leftBand + frame_rightBand) +
1934 (frame_padleft + frame_padright)) ||
1935 (codec->height != icodec->height -
1936 (frame_topBand + frame_bottomBand) +
1937 (frame_padtop + frame_padbottom)) ||
1938 (codec->pix_fmt != icodec->pix_fmt));
1939 if (ost->video_crop) {
1940 ost->topBand = ost->original_topBand = frame_topBand;
1941 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1942 ost->leftBand = ost->original_leftBand = frame_leftBand;
1943 ost->rightBand = ost->original_rightBand = frame_rightBand;
1945 if (ost->video_pad) {
1946 ost->padtop = frame_padtop;
1947 ost->padleft = frame_padleft;
1948 ost->padbottom = frame_padbottom;
1949 ost->padright = frame_padright;
1950 if (!ost->video_resample) {
1951 avcodec_get_frame_defaults(&ost->pict_tmp);
1952 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1953 codec->width, codec->height))
1957 if (ost->video_resample) {
1958 avcodec_get_frame_defaults(&ost->pict_tmp);
1959 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1960 codec->width, codec->height)) {
1961 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1964 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1965 ost->img_resample_ctx = sws_getContext(
1966 icodec->width - (frame_leftBand + frame_rightBand),
1967 icodec->height - (frame_topBand + frame_bottomBand),
1969 codec->width - (frame_padleft + frame_padright),
1970 codec->height - (frame_padtop + frame_padbottom),
1972 sws_flags, NULL, NULL, NULL);
1973 if (ost->img_resample_ctx == NULL) {
1974 fprintf(stderr, "Cannot get resampling context\n");
1978 ost->original_height = icodec->height;
1979 ost->original_width = icodec->width;
1981 codec->bits_per_raw_sample= 0;
1983 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1984 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1985 ost->resample_pix_fmt= icodec->pix_fmt;
1986 ost->encoding_needed = 1;
1987 ist->decoding_needed = 1;
1989 case CODEC_TYPE_SUBTITLE:
1990 ost->encoding_needed = 1;
1991 ist->decoding_needed = 1;
1998 if (ost->encoding_needed &&
1999 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2000 char logfilename[1024];
2005 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2006 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2008 if (codec->flags & CODEC_FLAG_PASS1) {
2009 f = fopen(logfilename, "w");
2011 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2016 /* read the log file */
2017 f = fopen(logfilename, "r");
2019 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
2022 fseek(f, 0, SEEK_END);
2024 fseek(f, 0, SEEK_SET);
2025 logbuffer = av_malloc(size + 1);
2027 fprintf(stderr, "Could not allocate log buffer\n");
2030 size = fread(logbuffer, 1, size, f);
2032 logbuffer[size] = '\0';
2033 codec->stats_in = logbuffer;
2037 if(codec->codec_type == CODEC_TYPE_VIDEO){
2038 int size= codec->width * codec->height;
2039 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2044 bit_buffer = av_malloc(bit_buffer_size);
2046 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2048 ret = AVERROR(ENOMEM);
2052 /* open each encoder */
2053 for(i=0;i<nb_ostreams;i++) {
2055 if (ost->encoding_needed) {
2056 AVCodec *codec = output_codecs[i];
2058 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2060 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2061 ost->st->codec->codec_id, ost->file_index, ost->index);
2062 ret = AVERROR(EINVAL);
2065 if (avcodec_open(ost->st->codec, codec) < 0) {
2066 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2067 ost->file_index, ost->index);
2068 ret = AVERROR(EINVAL);
2071 extra_size += ost->st->codec->extradata_size;
2075 /* open each decoder */
2076 for(i=0;i<nb_istreams;i++) {
2078 if (ist->decoding_needed) {
2079 AVCodec *codec = input_codecs[i];
2081 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2083 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2084 ist->st->codec->codec_id, ist->file_index, ist->index);
2085 ret = AVERROR(EINVAL);
2088 if (avcodec_open(ist->st->codec, codec) < 0) {
2089 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2090 ist->file_index, ist->index);
2091 ret = AVERROR(EINVAL);
2094 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2095 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2100 for(i=0;i<nb_istreams;i++) {
2103 ist->next_pts = AV_NOPTS_VALUE;
2107 /* set meta data information from input file if required */
2108 for (i=0;i<nb_meta_data_maps;i++) {
2109 AVFormatContext *out_file;
2110 AVFormatContext *in_file;
2111 AVMetadataTag *mtag;
2113 int out_file_index = meta_data_maps[i].out_file;
2114 int in_file_index = meta_data_maps[i].in_file;
2115 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2116 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2117 out_file_index, out_file_index, in_file_index);
2118 ret = AVERROR(EINVAL);
2121 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2122 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2123 in_file_index, out_file_index, in_file_index);
2124 ret = AVERROR(EINVAL);
2128 out_file = output_files[out_file_index];
2129 in_file = input_files[in_file_index];
2133 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2134 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2135 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2136 in_file->iformat->metadata_conv);
2139 /* open files and write file headers */
2140 for(i=0;i<nb_output_files;i++) {
2141 os = output_files[i];
2142 if (av_write_header(os) < 0) {
2143 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2144 ret = AVERROR(EINVAL);
2147 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2153 /* dump the file output parameters - cannot be done before in case
2155 for(i=0;i<nb_output_files;i++) {
2156 dump_format(output_files[i], i, output_files[i]->filename, 1);
2159 /* dump the stream mapping */
2161 fprintf(stderr, "Stream mapping:\n");
2162 for(i=0;i<nb_ostreams;i++) {
2164 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2165 ist_table[ost->source_index]->file_index,
2166 ist_table[ost->source_index]->index,
2169 if (ost->sync_ist != ist_table[ost->source_index])
2170 fprintf(stderr, " [sync #%d.%d]",
2171 ost->sync_ist->file_index,
2172 ost->sync_ist->index);
2173 fprintf(stderr, "\n");
2178 fprintf(stderr, "%s\n", error);
2183 print_sdp(output_files, nb_output_files);
2186 if (!using_stdin && verbose >= 0) {
2187 fprintf(stderr, "Press [q] to stop encoding\n");
2188 url_set_interrupt_cb(decode_interrupt_cb);
2192 timer_start = av_gettime();
2194 for(; received_sigterm == 0;) {
2195 int file_index, ist_index;
2203 /* if 'q' pressed, exits */
2207 /* read_key() returns 0 on EOF */
2213 /* select the stream that we must read now by looking at the
2214 smallest output pts */
2216 for(i=0;i<nb_ostreams;i++) {
2219 os = output_files[ost->file_index];
2220 ist = ist_table[ost->source_index];
2221 if(no_packet[ist->file_index])
2223 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2224 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2226 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2227 ipts = (double)ist->pts;
2228 if (!file_table[ist->file_index].eof_reached){
2229 if(ipts < ipts_min) {
2231 if(input_sync ) file_index = ist->file_index;
2233 if(opts < opts_min) {
2235 if(!input_sync) file_index = ist->file_index;
2238 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2243 /* if none, if is finished */
2244 if (file_index < 0) {
2245 if(no_packet_count){
2247 memset(no_packet, 0, sizeof(no_packet));
2254 /* finish if recording time exhausted */
2255 if (opts_min >= (recording_time / 1000000.0))
2258 /* finish if limit size exhausted */
2259 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2262 /* read a frame from it and output it in the fifo */
2263 is = input_files[file_index];
2264 ret= av_read_frame(is, &pkt);
2265 if(ret == AVERROR(EAGAIN)){
2266 no_packet[file_index]=1;
2271 file_table[file_index].eof_reached = 1;
2279 memset(no_packet, 0, sizeof(no_packet));
2282 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2284 /* the following test is needed in case new streams appear
2285 dynamically in stream : we ignore them */
2286 if (pkt.stream_index >= file_table[file_index].nb_streams)
2287 goto discard_packet;
2288 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2289 ist = ist_table[ist_index];
2291 goto discard_packet;
2293 if (pkt.dts != AV_NOPTS_VALUE)
2294 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2295 if (pkt.pts != AV_NOPTS_VALUE)
2296 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2298 if(input_files_ts_scale[file_index][pkt.stream_index]){
2299 if(pkt.pts != AV_NOPTS_VALUE)
2300 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2301 if(pkt.dts != AV_NOPTS_VALUE)
2302 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2305 // 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);
2306 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2307 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2308 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2309 int64_t delta= pkt_dts - ist->next_pts;
2310 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2311 input_files_ts_offset[ist->file_index]-= delta;
2313 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2314 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2315 if(pkt.pts != AV_NOPTS_VALUE)
2316 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2320 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2321 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2324 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2325 ist->file_index, ist->index);
2328 av_free_packet(&pkt);
2333 av_free_packet(&pkt);
2335 /* dump report by using the output first video and audio streams */
2336 print_report(output_files, ost_table, nb_ostreams, 0);
2339 /* at the end of stream, we must flush the decoder buffers */
2340 for(i=0;i<nb_istreams;i++) {
2342 if (ist->decoding_needed) {
2343 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2349 /* write the trailer if needed and close file */
2350 for(i=0;i<nb_output_files;i++) {
2351 os = output_files[i];
2352 av_write_trailer(os);
2355 /* dump report by using the first video and audio streams */
2356 print_report(output_files, ost_table, nb_ostreams, 1);
2358 /* close each encoder */
2359 for(i=0;i<nb_ostreams;i++) {
2361 if (ost->encoding_needed) {
2362 av_freep(&ost->st->codec->stats_in);
2363 avcodec_close(ost->st->codec);
2367 /* close each decoder */
2368 for(i=0;i<nb_istreams;i++) {
2370 if (ist->decoding_needed) {
2371 avcodec_close(ist->st->codec);
2379 av_freep(&bit_buffer);
2380 av_free(file_table);
2383 for(i=0;i<nb_istreams;i++) {
2390 for(i=0;i<nb_ostreams;i++) {
2394 fclose(ost->logfile);
2395 ost->logfile = NULL;
2397 av_fifo_free(ost->fifo); /* works even if fifo is not
2398 initialized but set to zero */
2399 av_free(ost->pict_tmp.data[0]);
2400 if (ost->video_resample)
2401 sws_freeContext(ost->img_resample_ctx);
2403 audio_resample_close(ost->resample);
2404 if (ost->reformat_ctx)
2405 av_audio_convert_free(ost->reformat_ctx);
2414 static void opt_format(const char *arg)
2416 /* compatibility stuff for pgmyuv */
2417 if (!strcmp(arg, "pgmyuv")) {
2418 pgmyuv_compatibility_hack=1;
2419 // opt_image_format(arg);
2421 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2424 last_asked_format = arg;
2427 static void opt_video_rc_override_string(const char *arg)
2429 video_rc_override_string = arg;
2432 static int opt_me_threshold(const char *opt, const char *arg)
2434 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2438 static int opt_verbose(const char *opt, const char *arg)
2440 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2444 static int opt_frame_rate(const char *opt, const char *arg)
2446 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2447 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2453 static int opt_bitrate(const char *opt, const char *arg)
2455 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2457 opt_default(opt, arg);
2459 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2460 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2465 static void opt_frame_crop_top(const char *arg)
2467 frame_topBand = atoi(arg);
2468 if (frame_topBand < 0) {
2469 fprintf(stderr, "Incorrect top crop size\n");
2472 if ((frame_topBand) >= frame_height){
2473 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2476 frame_height -= frame_topBand;
2479 static void opt_frame_crop_bottom(const char *arg)
2481 frame_bottomBand = atoi(arg);
2482 if (frame_bottomBand < 0) {
2483 fprintf(stderr, "Incorrect bottom crop size\n");
2486 if ((frame_bottomBand) >= frame_height){
2487 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2490 frame_height -= frame_bottomBand;
2493 static void opt_frame_crop_left(const char *arg)
2495 frame_leftBand = atoi(arg);
2496 if (frame_leftBand < 0) {
2497 fprintf(stderr, "Incorrect left crop size\n");
2500 if ((frame_leftBand) >= frame_width){
2501 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2504 frame_width -= frame_leftBand;
2507 static void opt_frame_crop_right(const char *arg)
2509 frame_rightBand = atoi(arg);
2510 if (frame_rightBand < 0) {
2511 fprintf(stderr, "Incorrect right crop size\n");
2514 if ((frame_rightBand) >= frame_width){
2515 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2518 frame_width -= frame_rightBand;
2521 static void opt_frame_size(const char *arg)
2523 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2524 fprintf(stderr, "Incorrect frame size\n");
2529 static void opt_pad_color(const char *arg) {
2530 /* Input is expected to be six hex digits similar to
2531 how colors are expressed in html tags (but without the #) */
2532 int rgb = strtol(arg, NULL, 16);
2536 g = ((rgb >> 8) & 255);
2539 padcolor[0] = RGB_TO_Y(r,g,b);
2540 padcolor[1] = RGB_TO_U(r,g,b,0);
2541 padcolor[2] = RGB_TO_V(r,g,b,0);
2544 static void opt_frame_pad_top(const char *arg)
2546 frame_padtop = atoi(arg);
2547 if (frame_padtop < 0) {
2548 fprintf(stderr, "Incorrect top pad size\n");
2553 static void opt_frame_pad_bottom(const char *arg)
2555 frame_padbottom = atoi(arg);
2556 if (frame_padbottom < 0) {
2557 fprintf(stderr, "Incorrect bottom pad size\n");
2563 static void opt_frame_pad_left(const char *arg)
2565 frame_padleft = atoi(arg);
2566 if (frame_padleft < 0) {
2567 fprintf(stderr, "Incorrect left pad size\n");
2573 static void opt_frame_pad_right(const char *arg)
2575 frame_padright = atoi(arg);
2576 if (frame_padright < 0) {
2577 fprintf(stderr, "Incorrect right pad size\n");
2582 static void opt_frame_pix_fmt(const char *arg)
2584 if (strcmp(arg, "list")) {
2585 frame_pix_fmt = av_get_pix_fmt(arg);
2586 if (frame_pix_fmt == PIX_FMT_NONE) {
2587 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2591 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2596 static void opt_frame_aspect_ratio(const char *arg)
2603 p = strchr(arg, ':');
2605 x = strtol(arg, &end, 10);
2607 y = strtol(end+1, &end, 10);
2609 ar = (double)x / (double)y;
2611 ar = strtod(arg, NULL);
2614 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2617 frame_aspect_ratio = ar;
2620 static int opt_metadata(const char *opt, const char *arg)
2622 char *mid= strchr(arg, '=');
2625 fprintf(stderr, "Missing =\n");
2631 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2632 metadata[metadata_count-1].key = av_strdup(arg);
2633 metadata[metadata_count-1].value= av_strdup(mid);
2638 static void opt_qscale(const char *arg)
2640 video_qscale = atof(arg);
2641 if (video_qscale <= 0 ||
2642 video_qscale > 255) {
2643 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2648 static void opt_top_field_first(const char *arg)
2650 top_field_first= atoi(arg);
2653 static int opt_thread_count(const char *opt, const char *arg)
2655 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2658 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2663 static void opt_audio_sample_fmt(const char *arg)
2665 if (strcmp(arg, "list"))
2666 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2668 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2673 static int opt_audio_rate(const char *opt, const char *arg)
2675 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2679 static int opt_audio_channels(const char *opt, const char *arg)
2681 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2685 static void opt_video_channel(const char *arg)
2687 video_channel = strtol(arg, NULL, 0);
2690 static void opt_video_standard(const char *arg)
2692 video_standard = av_strdup(arg);
2695 static void opt_codec(int *pstream_copy, char **pcodec_name,
2696 int codec_type, const char *arg)
2698 av_freep(pcodec_name);
2699 if (!strcmp(arg, "copy")) {
2702 *pcodec_name = av_strdup(arg);
2706 static void opt_audio_codec(const char *arg)
2708 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2711 static void opt_audio_tag(const char *arg)
2714 audio_codec_tag= strtol(arg, &tail, 0);
2717 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2720 static void opt_video_tag(const char *arg)
2723 video_codec_tag= strtol(arg, &tail, 0);
2726 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2729 static void opt_video_codec(const char *arg)
2731 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2734 static void opt_subtitle_codec(const char *arg)
2736 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2739 static void opt_subtitle_tag(const char *arg)
2742 subtitle_codec_tag= strtol(arg, &tail, 0);
2745 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2748 static void opt_map(const char *arg)
2753 m = &stream_maps[nb_stream_maps++];
2755 m->file_index = strtol(arg, &p, 0);
2759 m->stream_index = strtol(p, &p, 0);
2762 m->sync_file_index = strtol(p, &p, 0);
2765 m->sync_stream_index = strtol(p, &p, 0);
2767 m->sync_file_index = m->file_index;
2768 m->sync_stream_index = m->stream_index;
2772 static void opt_map_meta_data(const char *arg)
2777 m = &meta_data_maps[nb_meta_data_maps++];
2779 m->out_file = strtol(arg, &p, 0);
2783 m->in_file = strtol(p, &p, 0);
2786 static void opt_input_ts_scale(const char *arg)
2788 unsigned int stream;
2792 stream = strtol(arg, &p, 0);
2795 scale= strtod(p, &p);
2797 if(stream >= MAX_STREAMS)
2800 input_files_ts_scale[nb_input_files][stream]= scale;
2803 static int opt_recording_time(const char *opt, const char *arg)
2805 recording_time = parse_time_or_die(opt, arg, 1);
2809 static int opt_start_time(const char *opt, const char *arg)
2811 start_time = parse_time_or_die(opt, arg, 1);
2815 static int opt_rec_timestamp(const char *opt, const char *arg)
2817 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2821 static int opt_input_ts_offset(const char *opt, const char *arg)
2823 input_ts_offset = parse_time_or_die(opt, arg, 1);
2827 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2829 const char *codec_string = encoder ? "encoder" : "decoder";
2833 return CODEC_ID_NONE;
2835 avcodec_find_encoder_by_name(name) :
2836 avcodec_find_decoder_by_name(name);
2838 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2841 if(codec->type != type) {
2842 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2848 static void opt_input_file(const char *filename)
2850 AVFormatContext *ic;
2851 AVFormatParameters params, *ap = ¶ms;
2852 AVInputFormat *file_iformat = NULL;
2853 int err, i, ret, rfps, rfps_base;
2856 if (last_asked_format) {
2857 file_iformat = av_find_input_format(last_asked_format);
2858 last_asked_format = NULL;
2861 if (!strcmp(filename, "-"))
2864 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2865 !strcmp(filename, "/dev/stdin");
2867 /* get default parameters from command line */
2868 ic = avformat_alloc_context();
2870 print_error(filename, AVERROR(ENOMEM));
2874 memset(ap, 0, sizeof(*ap));
2875 ap->prealloced_context = 1;
2876 ap->sample_rate = audio_sample_rate;
2877 ap->channels = audio_channels;
2878 ap->time_base.den = frame_rate.num;
2879 ap->time_base.num = frame_rate.den;
2880 ap->width = frame_width + frame_padleft + frame_padright;
2881 ap->height = frame_height + frame_padtop + frame_padbottom;
2882 ap->pix_fmt = frame_pix_fmt;
2883 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2884 ap->channel = video_channel;
2885 ap->standard = video_standard;
2887 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2889 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2890 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2891 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2892 ic->flags |= AVFMT_FLAG_NONBLOCK;
2894 if(pgmyuv_compatibility_hack)
2895 ic->video_codec_id= CODEC_ID_PGMYUV;
2897 /* open the input file with generic libav function */
2898 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2900 print_error(filename, err);
2905 for(i=0; i<ic->nb_programs; i++)
2906 if(ic->programs[i]->id != opt_programid)
2907 ic->programs[i]->discard = AVDISCARD_ALL;
2910 ic->loop_input = loop_input;
2912 /* If not enough info to get the stream parameters, we decode the
2913 first frames to get it. (used in mpeg case for example) */
2914 ret = av_find_stream_info(ic);
2915 if (ret < 0 && verbose >= 0) {
2916 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2920 timestamp = start_time;
2921 /* add the stream start time */
2922 if (ic->start_time != AV_NOPTS_VALUE)
2923 timestamp += ic->start_time;
2925 /* if seeking requested, we execute it */
2926 if (start_time != 0) {
2927 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2929 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2930 filename, (double)timestamp / AV_TIME_BASE);
2932 /* reset seek info */
2936 /* update the current parameters so that they match the one of the input stream */
2937 for(i=0;i<ic->nb_streams;i++) {
2938 AVStream *st = ic->streams[i];
2939 AVCodecContext *enc = st->codec;
2940 avcodec_thread_init(enc, thread_count);
2941 switch(enc->codec_type) {
2942 case CODEC_TYPE_AUDIO:
2943 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2944 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2945 channel_layout = enc->channel_layout;
2946 audio_channels = enc->channels;
2947 audio_sample_rate = enc->sample_rate;
2948 audio_sample_fmt = enc->sample_fmt;
2949 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2951 st->discard= AVDISCARD_ALL;
2953 case CODEC_TYPE_VIDEO:
2954 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2955 frame_height = enc->height;
2956 frame_width = enc->width;
2957 if(ic->streams[i]->sample_aspect_ratio.num)
2958 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2960 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2961 frame_aspect_ratio *= (float) enc->width / enc->height;
2962 frame_pix_fmt = enc->pix_fmt;
2963 rfps = ic->streams[i]->r_frame_rate.num;
2964 rfps_base = ic->streams[i]->r_frame_rate.den;
2966 enc->flags |= CODEC_FLAG_EMU_EDGE;
2967 frame_height >>= enc->lowres;
2968 frame_width >>= enc->lowres;
2971 enc->debug |= FF_DEBUG_MV;
2973 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2976 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2977 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2979 (float)rfps / rfps_base, rfps, rfps_base);
2981 /* update the current frame rate to match the stream frame rate */
2982 frame_rate.num = rfps;
2983 frame_rate.den = rfps_base;
2985 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2987 st->discard= AVDISCARD_ALL;
2988 else if(video_discard)
2989 st->discard= video_discard;
2991 case CODEC_TYPE_DATA:
2993 case CODEC_TYPE_SUBTITLE:
2994 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2995 if(subtitle_disable)
2996 st->discard = AVDISCARD_ALL;
2998 case CODEC_TYPE_ATTACHMENT:
2999 case CODEC_TYPE_UNKNOWN:
3007 input_files[nb_input_files] = ic;
3008 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3009 /* dump the file content */
3011 dump_format(ic, nb_input_files, filename, 0);
3017 av_freep(&video_codec_name);
3018 av_freep(&audio_codec_name);
3019 av_freep(&subtitle_codec_name);
3022 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3023 int *has_subtitle_ptr)
3025 int has_video, has_audio, has_subtitle, i, j;
3026 AVFormatContext *ic;
3031 for(j=0;j<nb_input_files;j++) {
3032 ic = input_files[j];
3033 for(i=0;i<ic->nb_streams;i++) {
3034 AVCodecContext *enc = ic->streams[i]->codec;
3035 switch(enc->codec_type) {
3036 case CODEC_TYPE_AUDIO:
3039 case CODEC_TYPE_VIDEO:
3042 case CODEC_TYPE_SUBTITLE:
3045 case CODEC_TYPE_DATA:
3046 case CODEC_TYPE_ATTACHMENT:
3047 case CODEC_TYPE_UNKNOWN:
3054 *has_video_ptr = has_video;
3055 *has_audio_ptr = has_audio;
3056 *has_subtitle_ptr = has_subtitle;
3059 static void new_video_stream(AVFormatContext *oc)
3062 AVCodecContext *video_enc;
3063 enum CodecID codec_id;
3065 st = av_new_stream(oc, oc->nb_streams);
3067 fprintf(stderr, "Could not alloc stream\n");
3070 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3071 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3072 video_bitstream_filters= NULL;
3074 avcodec_thread_init(st->codec, thread_count);
3076 video_enc = st->codec;
3079 video_enc->codec_tag= video_codec_tag;
3081 if( (video_global_header&1)
3082 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3083 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3084 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3086 if(video_global_header&2){
3087 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3088 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3091 if (video_stream_copy) {
3092 st->stream_copy = 1;
3093 video_enc->codec_type = CODEC_TYPE_VIDEO;
3094 video_enc->sample_aspect_ratio =
3095 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3100 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3102 if (video_codec_name) {
3103 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3104 codec = avcodec_find_encoder_by_name(video_codec_name);
3105 output_codecs[nb_ocodecs] = codec;
3107 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3108 codec = avcodec_find_encoder(codec_id);
3111 video_enc->codec_id = codec_id;
3113 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3115 if (codec && codec->supported_framerates && !force_fps)
3116 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3117 video_enc->time_base.den = fps.num;
3118 video_enc->time_base.num = fps.den;
3120 video_enc->width = frame_width + frame_padright + frame_padleft;
3121 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3122 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3123 video_enc->pix_fmt = frame_pix_fmt;
3124 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3126 if(codec && codec->pix_fmts){
3127 const enum PixelFormat *p= codec->pix_fmts;
3129 if(*p == video_enc->pix_fmt)
3133 video_enc->pix_fmt = codec->pix_fmts[0];
3137 video_enc->gop_size = 0;
3138 if (video_qscale || same_quality) {
3139 video_enc->flags |= CODEC_FLAG_QSCALE;
3140 video_enc->global_quality=
3141 st->quality = FF_QP2LAMBDA * video_qscale;
3145 video_enc->intra_matrix = intra_matrix;
3147 video_enc->inter_matrix = inter_matrix;
3149 p= video_rc_override_string;
3152 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3154 fprintf(stderr, "error parsing rc_override\n");
3157 video_enc->rc_override=
3158 av_realloc(video_enc->rc_override,
3159 sizeof(RcOverride)*(i+1));
3160 video_enc->rc_override[i].start_frame= start;
3161 video_enc->rc_override[i].end_frame = end;
3163 video_enc->rc_override[i].qscale= q;
3164 video_enc->rc_override[i].quality_factor= 1.0;
3167 video_enc->rc_override[i].qscale= 0;
3168 video_enc->rc_override[i].quality_factor= -q/100.0;
3173 video_enc->rc_override_count=i;
3174 if (!video_enc->rc_initial_buffer_occupancy)
3175 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3176 video_enc->me_threshold= me_threshold;
3177 video_enc->intra_dc_precision= intra_dc_precision - 8;
3180 video_enc->flags|= CODEC_FLAG_PSNR;
3185 video_enc->flags |= CODEC_FLAG_PASS1;
3187 video_enc->flags |= CODEC_FLAG_PASS2;
3192 if (video_language) {
3193 av_metadata_set(&st->metadata, "language", video_language);
3194 av_freep(&video_language);
3197 /* reset some key parameters */
3199 av_freep(&video_codec_name);
3200 video_stream_copy = 0;
3203 static void new_audio_stream(AVFormatContext *oc)
3206 AVCodecContext *audio_enc;
3207 enum CodecID codec_id;
3209 st = av_new_stream(oc, oc->nb_streams);
3211 fprintf(stderr, "Could not alloc stream\n");
3214 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3216 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3217 audio_bitstream_filters= NULL;
3219 avcodec_thread_init(st->codec, thread_count);
3221 audio_enc = st->codec;
3222 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3225 audio_enc->codec_tag= audio_codec_tag;
3227 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3228 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3229 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3231 if (audio_stream_copy) {
3232 st->stream_copy = 1;
3233 audio_enc->channels = audio_channels;
3237 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3239 if (audio_codec_name) {
3240 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3241 codec = avcodec_find_encoder_by_name(audio_codec_name);
3242 output_codecs[nb_ocodecs] = codec;
3244 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3245 codec = avcodec_find_encoder(codec_id);
3247 audio_enc->codec_id = codec_id;
3249 if (audio_qscale > QSCALE_NONE) {
3250 audio_enc->flags |= CODEC_FLAG_QSCALE;
3251 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3253 audio_enc->channels = audio_channels;
3254 audio_enc->sample_fmt = audio_sample_fmt;
3255 audio_enc->channel_layout = channel_layout;
3256 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3257 audio_enc->channel_layout = 0;
3259 if(codec && codec->sample_fmts){
3260 const enum SampleFormat *p= codec->sample_fmts;
3262 if(*p == audio_enc->sample_fmt)
3266 audio_enc->sample_fmt = codec->sample_fmts[0];
3270 audio_enc->sample_rate = audio_sample_rate;
3271 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3272 if (audio_language) {
3273 av_metadata_set(&st->metadata, "language", audio_language);
3274 av_freep(&audio_language);
3277 /* reset some key parameters */
3279 av_freep(&audio_codec_name);
3280 audio_stream_copy = 0;
3283 static void new_subtitle_stream(AVFormatContext *oc)
3286 AVCodecContext *subtitle_enc;
3288 st = av_new_stream(oc, oc->nb_streams);
3290 fprintf(stderr, "Could not alloc stream\n");
3293 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3295 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3296 subtitle_bitstream_filters= NULL;
3298 subtitle_enc = st->codec;
3299 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3301 if(subtitle_codec_tag)
3302 subtitle_enc->codec_tag= subtitle_codec_tag;
3304 if (subtitle_stream_copy) {
3305 st->stream_copy = 1;
3307 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3308 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3309 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3313 if (subtitle_language) {
3314 av_metadata_set(&st->metadata, "language", subtitle_language);
3315 av_freep(&subtitle_language);
3318 subtitle_disable = 0;
3319 av_freep(&subtitle_codec_name);
3320 subtitle_stream_copy = 0;
3323 static void opt_new_audio_stream(void)
3325 AVFormatContext *oc;
3326 if (nb_output_files <= 0) {
3327 fprintf(stderr, "At least one output file must be specified\n");
3330 oc = output_files[nb_output_files - 1];
3331 new_audio_stream(oc);
3334 static void opt_new_video_stream(void)
3336 AVFormatContext *oc;
3337 if (nb_output_files <= 0) {
3338 fprintf(stderr, "At least one output file must be specified\n");
3341 oc = output_files[nb_output_files - 1];
3342 new_video_stream(oc);
3345 static void opt_new_subtitle_stream(void)
3347 AVFormatContext *oc;
3348 if (nb_output_files <= 0) {
3349 fprintf(stderr, "At least one output file must be specified\n");
3352 oc = output_files[nb_output_files - 1];
3353 new_subtitle_stream(oc);
3356 static void opt_output_file(const char *filename)
3358 AVFormatContext *oc;
3359 int use_video, use_audio, use_subtitle;
3360 int input_has_video, input_has_audio, input_has_subtitle;
3361 AVFormatParameters params, *ap = ¶ms;
3362 AVOutputFormat *file_oformat;
3364 if (!strcmp(filename, "-"))
3367 oc = avformat_alloc_context();
3369 print_error(filename, AVERROR(ENOMEM));
3373 if (last_asked_format) {
3374 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3375 if (!file_oformat) {
3376 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3379 last_asked_format = NULL;
3381 file_oformat = av_guess_format(NULL, filename, NULL);
3382 if (!file_oformat) {
3383 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3389 oc->oformat = file_oformat;
3390 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3392 if (!strcmp(file_oformat->name, "ffm") &&
3393 av_strstart(filename, "http:", NULL)) {
3394 /* special case for files sent to ffserver: we get the stream
3395 parameters from ffserver */
3396 int err = read_ffserver_streams(oc, filename);
3398 print_error(filename, err);
3402 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3403 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3404 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3406 /* disable if no corresponding type found and at least one
3408 if (nb_input_files > 0) {
3409 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3410 &input_has_subtitle);
3411 if (!input_has_video)
3413 if (!input_has_audio)
3415 if (!input_has_subtitle)
3419 /* manual disable */
3420 if (audio_disable) {
3423 if (video_disable) {
3426 if (subtitle_disable) {
3431 new_video_stream(oc);
3435 new_audio_stream(oc);
3439 new_subtitle_stream(oc);
3442 oc->timestamp = rec_timestamp;
3444 for(; metadata_count>0; metadata_count--){
3445 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3446 metadata[metadata_count-1].value);
3448 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3451 output_files[nb_output_files++] = oc;
3453 /* check filename in case of an image number is expected */
3454 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3455 if (!av_filename_number_test(oc->filename)) {
3456 print_error(oc->filename, AVERROR_NUMEXPECTED);
3461 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3462 /* test if it already exists to avoid loosing precious files */
3463 if (!file_overwrite &&
3464 (strchr(filename, ':') == NULL ||
3465 filename[1] == ':' ||
3466 av_strstart(filename, "file:", NULL))) {
3467 if (url_exist(filename)) {
3469 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3471 if (!read_yesno()) {
3472 fprintf(stderr, "Not overwriting - exiting\n");
3477 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3484 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3485 fprintf(stderr, "Could not open '%s'\n", filename);
3490 memset(ap, 0, sizeof(*ap));
3491 if (av_set_parameters(oc, ap) < 0) {
3492 fprintf(stderr, "%s: Invalid encoding parameters\n",
3497 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3498 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3499 oc->loop_output = loop_output;
3500 oc->flags |= AVFMT_FLAG_NONBLOCK;
3502 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3505 /* same option as mencoder */
3506 static void opt_pass(const char *pass_str)
3509 pass = atoi(pass_str);
3510 if (pass != 1 && pass != 2) {
3511 fprintf(stderr, "pass number can be only 1 or 2\n");
3517 static int64_t getutime(void)
3520 struct rusage rusage;
3522 getrusage(RUSAGE_SELF, &rusage);
3523 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3524 #elif HAVE_GETPROCESSTIMES
3526 FILETIME c, e, k, u;
3527 proc = GetCurrentProcess();
3528 GetProcessTimes(proc, &c, &e, &k, &u);
3529 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3531 return av_gettime();
3535 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3538 const char *p = str;
3545 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3552 static void opt_inter_matrix(const char *arg)
3554 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3555 parse_matrix_coeffs(inter_matrix, arg);
3558 static void opt_intra_matrix(const char *arg)
3560 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3561 parse_matrix_coeffs(intra_matrix, arg);
3565 * Trivial log callback.
3566 * Only suitable for show_help and similar since it lacks prefix handling.
3568 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3570 vfprintf(stdout, fmt, vl);
3573 static void show_usage(void)
3575 printf("Hyper fast Audio and Video encoder\n");
3576 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3580 static void show_help(void)
3582 av_log_set_callback(log_callback_help);
3584 show_help_options(options, "Main options:\n",
3585 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3586 show_help_options(options, "\nAdvanced options:\n",
3587 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3589 show_help_options(options, "\nVideo options:\n",
3590 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3592 show_help_options(options, "\nAdvanced Video options:\n",
3593 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3594 OPT_VIDEO | OPT_EXPERT);
3595 show_help_options(options, "\nAudio options:\n",
3596 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3598 show_help_options(options, "\nAdvanced Audio options:\n",
3599 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3600 OPT_AUDIO | OPT_EXPERT);
3601 show_help_options(options, "\nSubtitle options:\n",
3602 OPT_SUBTITLE | OPT_GRAB,
3604 show_help_options(options, "\nAudio/Video grab options:\n",
3608 av_opt_show(avcodec_opts[0], NULL);
3610 av_opt_show(avformat_opts, NULL);
3612 av_opt_show(sws_opts, NULL);
3615 static void opt_target(const char *arg)
3617 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3618 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3620 if(!strncmp(arg, "pal-", 4)) {
3623 } else if(!strncmp(arg, "ntsc-", 5)) {
3626 } else if(!strncmp(arg, "film-", 5)) {
3631 /* Calculate FR via float to avoid int overflow */
3632 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3635 } else if((fr == 29970) || (fr == 23976)) {
3638 /* Try to determine PAL/NTSC by peeking in the input files */
3639 if(nb_input_files) {
3641 for(j = 0; j < nb_input_files; j++) {
3642 for(i = 0; i < input_files[j]->nb_streams; i++) {
3643 AVCodecContext *c = input_files[j]->streams[i]->codec;
3644 if(c->codec_type != CODEC_TYPE_VIDEO)
3646 fr = c->time_base.den * 1000 / c->time_base.num;
3650 } else if((fr == 29970) || (fr == 23976)) {
3660 if(verbose && norm != UNKNOWN)
3661 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3664 if(norm == UNKNOWN) {
3665 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3666 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3667 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3671 if(!strcmp(arg, "vcd")) {
3673 opt_video_codec("mpeg1video");
3674 opt_audio_codec("mp2");
3677 opt_frame_size(norm == PAL ? "352x288" : "352x240");
3678 opt_frame_rate(NULL, frame_rates[norm]);
3679 opt_default("g", norm == PAL ? "15" : "18");
3681 opt_default("b", "1150000");
3682 opt_default("maxrate", "1150000");
3683 opt_default("minrate", "1150000");
3684 opt_default("bufsize", "327680"); // 40*1024*8;
3686 opt_default("ab", "224000");
3687 audio_sample_rate = 44100;
3690 opt_default("packetsize", "2324");
3691 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3693 /* We have to offset the PTS, so that it is consistent with the SCR.
3694 SCR starts at 36000, but the first two packs contain only padding
3695 and the first pack from the other stream, respectively, may also have
3696 been written before.
3697 So the real data starts at SCR 36000+3*1200. */
3698 mux_preload= (36000+3*1200) / 90000.0; //0.44
3699 } else if(!strcmp(arg, "svcd")) {
3701 opt_video_codec("mpeg2video");
3702 opt_audio_codec("mp2");
3705 opt_frame_size(norm == PAL ? "480x576" : "480x480");
3706 opt_frame_rate(NULL, frame_rates[norm]);
3707 opt_default("g", norm == PAL ? "15" : "18");
3709 opt_default("b", "2040000");
3710 opt_default("maxrate", "2516000");
3711 opt_default("minrate", "0"); //1145000;
3712 opt_default("bufsize", "1835008"); //224*1024*8;
3713 opt_default("flags", "+scan_offset");
3716 opt_default("ab", "224000");
3717 audio_sample_rate = 44100;
3719 opt_default("packetsize", "2324");
3721 } else if(!strcmp(arg, "dvd")) {
3723 opt_video_codec("mpeg2video");
3724 opt_audio_codec("ac3");
3727 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3728 opt_frame_rate(NULL, frame_rates[norm]);
3729 opt_default("g", norm == PAL ? "15" : "18");
3731 opt_default("b", "6000000");
3732 opt_default("maxrate", "9000000");
3733 opt_default("minrate", "0"); //1500000;
3734 opt_default("bufsize", "1835008"); //224*1024*8;
3736 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3737 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3739 opt_default("ab", "448000");
3740 audio_sample_rate = 48000;
3742 } else if(!strncmp(arg, "dv", 2)) {
3746 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3747 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3748 (norm == PAL ? "yuv420p" : "yuv411p"));
3749 opt_frame_rate(NULL, frame_rates[norm]);
3751 audio_sample_rate = 48000;
3755 fprintf(stderr, "Unknown target: %s\n", arg);
3760 static void opt_vstats_file (const char *arg)
3762 av_free (vstats_filename);
3763 vstats_filename=av_strdup (arg);
3766 static void opt_vstats (void)
3769 time_t today2 = time(NULL);
3770 struct tm *today = localtime(&today2);
3772 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3774 opt_vstats_file(filename);
3777 static int opt_bsf(const char *opt, const char *arg)
3779 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3780 AVBitStreamFilterContext **bsfp;
3783 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3787 bsfp= *opt == 'v' ? &video_bitstream_filters :
3788 *opt == 'a' ? &audio_bitstream_filters :
3789 &subtitle_bitstream_filters;
3791 bsfp= &(*bsfp)->next;
3798 static int opt_preset(const char *opt, const char *arg)
3801 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3803 const char *base[2]= { getenv("HOME"),
3808 for(i=!base[0]; i<2 && !f; i++){
3809 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3810 f= fopen(filename, "r");
3812 char *codec_name= *opt == 'v' ? video_codec_name :
3813 *opt == 'a' ? audio_codec_name :
3814 subtitle_codec_name;
3815 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3816 f= fopen(filename, "r");
3820 av_strlcpy(filename, arg, sizeof(filename));
3821 f= fopen(filename, "r");
3825 fprintf(stderr, "File for preset '%s' not found\n", arg);
3830 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3831 if(line[0] == '#' && !e)
3833 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3835 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3838 if(!strcmp(tmp, "acodec")){
3839 opt_audio_codec(tmp2);
3840 }else if(!strcmp(tmp, "vcodec")){
3841 opt_video_codec(tmp2);
3842 }else if(!strcmp(tmp, "scodec")){
3843 opt_subtitle_codec(tmp2);
3844 }else if(opt_default(tmp, tmp2) < 0){
3845 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3855 static const OptionDef options[] = {
3857 #include "cmdutils_common_opts.h"
3858 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3859 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3860 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3861 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3862 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3863 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3864 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3865 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3866 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3867 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3868 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3869 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3870 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3871 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3872 "add timings for benchmarking" },
3873 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
3874 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3875 "dump each input packet" },
3876 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3877 "when dumping packets, also dump the payload" },
3878 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3879 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3880 { "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)", "" },
3881 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3882 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3883 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3884 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3885 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3886 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3887 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3888 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3889 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3890 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3891 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3892 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3893 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3896 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3897 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3898 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3899 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3900 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3901 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3902 { "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" },
3903 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3904 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3905 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3906 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3907 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3908 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3909 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3910 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3911 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3912 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3913 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3914 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3915 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3916 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3917 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3918 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3919 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3920 "use same video quality as source (implies VBR)" },
3921 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3922 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3923 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3924 "deinterlace pictures" },
3925 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3926 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3927 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3928 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3929 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3930 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3931 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3932 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3933 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3934 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
3935 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3936 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3939 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3940 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3941 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3942 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3943 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3944 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3945 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3946 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3947 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3948 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3949 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3950 { "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" },
3952 /* subtitle options */
3953 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3954 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3955 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3956 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3957 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3960 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3961 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3962 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3965 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3966 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3968 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3969 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3970 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3972 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3973 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3974 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3975 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
3977 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3981 int main(int argc, char **argv)
3986 avcodec_register_all();
3987 avdevice_register_all();
3991 if(isatty(STDIN_FILENO))
3992 url_set_interrupt_cb(decode_interrupt_cb);
3995 for(i=0; i<CODEC_TYPE_NB; i++){
3996 avcodec_opts[i]= avcodec_alloc_context2(i);
3998 avformat_opts = avformat_alloc_context();
3999 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4004 parse_options(argc, argv, options, opt_output_file);
4006 if(nb_output_files <= 0 && nb_input_files == 0) {
4008 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4012 /* file converter / grab */
4013 if (nb_output_files <= 0) {
4014 fprintf(stderr, "At least one output file must be specified\n");
4018 if (nb_input_files == 0) {
4019 fprintf(stderr, "At least one input file must be specified\n");
4024 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
4025 stream_maps, nb_stream_maps) < 0)
4027 ti = getutime() - ti;
4029 printf("bench: utime=%0.3fs\n", ti / 1000000.0);