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 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1512 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1514 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1515 opkt.destruct= av_destruct_packet;
1517 opkt.data = data_buf;
1518 opkt.size = data_size;
1521 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1522 ost->st->codec->frame_number++;
1523 ost->frame_number++;
1524 av_free_packet(&opkt);
1528 av_free(buffer_to_free);
1529 /* XXX: allocate the subtitles in the codec ? */
1530 if (subtitle_to_free) {
1531 if (subtitle_to_free->rects != NULL) {
1532 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1533 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1534 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1535 av_freep(&subtitle_to_free->rects[i]);
1537 av_freep(&subtitle_to_free->rects);
1539 subtitle_to_free->num_rects = 0;
1540 subtitle_to_free = NULL;
1547 for(i=0;i<nb_ostreams;i++) {
1549 if (ost->source_index == ist_index) {
1550 AVCodecContext *enc= ost->st->codec;
1551 os = output_files[ost->file_index];
1553 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1555 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1558 if (ost->encoding_needed) {
1562 av_init_packet(&pkt);
1563 pkt.stream_index= ost->index;
1565 switch(ost->st->codec->codec_type) {
1566 case CODEC_TYPE_AUDIO:
1567 fifo_bytes = av_fifo_size(ost->fifo);
1569 /* encode any samples remaining in fifo */
1570 if (fifo_bytes > 0) {
1571 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1572 int fs_tmp = enc->frame_size;
1574 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1575 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1576 enc->frame_size = fifo_bytes / (osize * enc->channels);
1578 int frame_bytes = enc->frame_size*osize*enc->channels;
1579 if (samples_size < frame_bytes)
1581 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1584 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1585 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1586 ost->st->time_base.num, enc->sample_rate);
1587 enc->frame_size = fs_tmp;
1590 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1593 fprintf(stderr, "Audio encoding failed\n");
1597 pkt.flags |= PKT_FLAG_KEY;
1599 case CODEC_TYPE_VIDEO:
1600 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1602 fprintf(stderr, "Video encoding failed\n");
1606 if(enc->coded_frame && enc->coded_frame->key_frame)
1607 pkt.flags |= PKT_FLAG_KEY;
1608 if (ost->logfile && enc->stats_out) {
1609 fprintf(ost->logfile, "%s", enc->stats_out);
1618 pkt.data= bit_buffer;
1620 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1621 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1622 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1634 static void print_sdp(AVFormatContext **avc, int n)
1638 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1639 printf("SDP:\n%s\n", sdp);
1643 static int stream_index_from_inputs(AVFormatContext **input_files,
1645 AVInputFile *file_table,
1646 AVInputStream **ist_table,
1647 enum CodecType type,
1651 for(z=0; z<nb_input_files; z++) {
1652 AVFormatContext *ic = input_files[z];
1653 for(p=0; p<ic->nb_programs; p++) {
1654 AVProgram *program = ic->programs[p];
1655 if(program->id != programid)
1657 for(q=0; q<program->nb_stream_indexes; q++) {
1658 int sidx = program->stream_index[q];
1659 int ris = file_table[z].ist_index + sidx;
1660 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1670 * The following code is the main loop of the file converter
1672 static int av_encode(AVFormatContext **output_files,
1673 int nb_output_files,
1674 AVFormatContext **input_files,
1676 AVStreamMap *stream_maps, int nb_stream_maps)
1678 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1679 AVFormatContext *is, *os;
1680 AVCodecContext *codec, *icodec;
1681 AVOutputStream *ost, **ost_table = NULL;
1682 AVInputStream *ist, **ist_table = NULL;
1683 AVInputFile *file_table;
1687 uint8_t no_packet[MAX_FILES]={0};
1688 int no_packet_count=0;
1690 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1694 /* input stream init */
1696 for(i=0;i<nb_input_files;i++) {
1697 is = input_files[i];
1698 file_table[i].ist_index = j;
1699 file_table[i].nb_streams = is->nb_streams;
1700 j += is->nb_streams;
1704 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1708 for(i=0;i<nb_istreams;i++) {
1709 ist = av_mallocz(sizeof(AVInputStream));
1715 for(i=0;i<nb_input_files;i++) {
1716 is = input_files[i];
1717 for(k=0;k<is->nb_streams;k++) {
1718 ist = ist_table[j++];
1719 ist->st = is->streams[k];
1720 ist->file_index = i;
1722 ist->discard = 1; /* the stream is discarded by default
1726 ist->start = av_gettime();
1731 /* output stream init */
1733 for(i=0;i<nb_output_files;i++) {
1734 os = output_files[i];
1735 if (!os->nb_streams) {
1736 dump_format(output_files[i], i, output_files[i]->filename, 1);
1737 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1740 nb_ostreams += os->nb_streams;
1742 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1743 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1747 /* Sanity check the mapping args -- do the input files & streams exist? */
1748 for(i=0;i<nb_stream_maps;i++) {
1749 int fi = stream_maps[i].file_index;
1750 int si = stream_maps[i].stream_index;
1752 if (fi < 0 || fi > nb_input_files - 1 ||
1753 si < 0 || si > file_table[fi].nb_streams - 1) {
1754 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1757 fi = stream_maps[i].sync_file_index;
1758 si = stream_maps[i].sync_stream_index;
1759 if (fi < 0 || fi > nb_input_files - 1 ||
1760 si < 0 || si > file_table[fi].nb_streams - 1) {
1761 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1766 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1769 for(i=0;i<nb_ostreams;i++) {
1770 ost = av_mallocz(sizeof(AVOutputStream));
1777 for(k=0;k<nb_output_files;k++) {
1778 os = output_files[k];
1779 for(i=0;i<os->nb_streams;i++,n++) {
1782 ost->file_index = k;
1784 ost->st = os->streams[i];
1785 if (nb_stream_maps > 0) {
1786 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1787 stream_maps[n].stream_index;
1789 /* Sanity check that the stream types match */
1790 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1791 int i= ost->file_index;
1792 dump_format(output_files[i], i, output_files[i]->filename, 1);
1793 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1794 stream_maps[n].file_index, stream_maps[n].stream_index,
1795 ost->file_index, ost->index);
1802 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1804 ost->source_index = j;
1808 /* get corresponding input stream index : we select the first one with the right type */
1810 for(j=0;j<nb_istreams;j++) {
1813 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1814 ost->source_index = j;
1822 if(! opt_programid) {
1823 /* try again and reuse existing stream */
1824 for(j=0;j<nb_istreams;j++) {
1826 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1827 ost->source_index = j;
1833 int i= ost->file_index;
1834 dump_format(output_files[i], i, output_files[i]->filename, 1);
1835 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1836 ost->file_index, ost->index);
1841 ist = ist_table[ost->source_index];
1843 ost->sync_ist = (nb_stream_maps > 0) ?
1844 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1845 stream_maps[n].sync_stream_index] : ist;
1849 /* for each output stream, we compute the right encoding parameters */
1850 for(i=0;i<nb_ostreams;i++) {
1851 AVMetadataTag *lang;
1853 os = output_files[ost->file_index];
1854 ist = ist_table[ost->source_index];
1856 codec = ost->st->codec;
1857 icodec = ist->st->codec;
1859 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1860 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1861 av_metadata_set(&ost->st->metadata, "language", lang->value);
1863 ost->st->disposition = ist->st->disposition;
1864 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1865 codec->chroma_sample_location = icodec->chroma_sample_location;
1867 if (ost->st->stream_copy) {
1868 /* if stream_copy is selected, no need to decode or encode */
1869 codec->codec_id = icodec->codec_id;
1870 codec->codec_type = icodec->codec_type;
1872 if(!codec->codec_tag){
1873 if( !os->oformat->codec_tag
1874 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1875 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1876 codec->codec_tag = icodec->codec_tag;
1879 codec->bit_rate = icodec->bit_rate;
1880 codec->extradata= icodec->extradata;
1881 codec->extradata_size= icodec->extradata_size;
1882 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){
1883 codec->time_base = icodec->time_base;
1884 codec->time_base.num *= icodec->ticks_per_frame;
1886 codec->time_base = ist->st->time_base;
1887 switch(codec->codec_type) {
1888 case CODEC_TYPE_AUDIO:
1889 if(audio_volume != 256) {
1890 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1893 codec->channel_layout = icodec->channel_layout;
1894 codec->sample_rate = icodec->sample_rate;
1895 codec->channels = icodec->channels;
1896 codec->frame_size = icodec->frame_size;
1897 codec->block_align= icodec->block_align;
1898 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1899 codec->block_align= 0;
1900 if(codec->codec_id == CODEC_ID_AC3)
1901 codec->block_align= 0;
1903 case CODEC_TYPE_VIDEO:
1904 codec->pix_fmt = icodec->pix_fmt;
1905 codec->width = icodec->width;
1906 codec->height = icodec->height;
1907 codec->has_b_frames = icodec->has_b_frames;
1909 case CODEC_TYPE_SUBTITLE:
1910 codec->width = icodec->width;
1911 codec->height = icodec->height;
1917 switch(codec->codec_type) {
1918 case CODEC_TYPE_AUDIO:
1919 ost->fifo= av_fifo_alloc(1024);
1922 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1923 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1924 icodec->request_channels = codec->channels;
1925 ist->decoding_needed = 1;
1926 ost->encoding_needed = 1;
1928 case CODEC_TYPE_VIDEO:
1929 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1930 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1933 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1934 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1935 ost->video_resample = ((codec->width != icodec->width -
1936 (frame_leftBand + frame_rightBand) +
1937 (frame_padleft + frame_padright)) ||
1938 (codec->height != icodec->height -
1939 (frame_topBand + frame_bottomBand) +
1940 (frame_padtop + frame_padbottom)) ||
1941 (codec->pix_fmt != icodec->pix_fmt));
1942 if (ost->video_crop) {
1943 ost->topBand = ost->original_topBand = frame_topBand;
1944 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1945 ost->leftBand = ost->original_leftBand = frame_leftBand;
1946 ost->rightBand = ost->original_rightBand = frame_rightBand;
1948 if (ost->video_pad) {
1949 ost->padtop = frame_padtop;
1950 ost->padleft = frame_padleft;
1951 ost->padbottom = frame_padbottom;
1952 ost->padright = frame_padright;
1953 if (!ost->video_resample) {
1954 avcodec_get_frame_defaults(&ost->pict_tmp);
1955 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1956 codec->width, codec->height))
1960 if (ost->video_resample) {
1961 avcodec_get_frame_defaults(&ost->pict_tmp);
1962 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1963 codec->width, codec->height)) {
1964 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1967 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1968 ost->img_resample_ctx = sws_getContext(
1969 icodec->width - (frame_leftBand + frame_rightBand),
1970 icodec->height - (frame_topBand + frame_bottomBand),
1972 codec->width - (frame_padleft + frame_padright),
1973 codec->height - (frame_padtop + frame_padbottom),
1975 sws_flags, NULL, NULL, NULL);
1976 if (ost->img_resample_ctx == NULL) {
1977 fprintf(stderr, "Cannot get resampling context\n");
1981 ost->original_height = icodec->height;
1982 ost->original_width = icodec->width;
1984 codec->bits_per_raw_sample= 0;
1986 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1987 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1988 ost->resample_pix_fmt= icodec->pix_fmt;
1989 ost->encoding_needed = 1;
1990 ist->decoding_needed = 1;
1992 case CODEC_TYPE_SUBTITLE:
1993 ost->encoding_needed = 1;
1994 ist->decoding_needed = 1;
2001 if (ost->encoding_needed &&
2002 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2003 char logfilename[1024];
2008 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2009 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2011 if (codec->flags & CODEC_FLAG_PASS1) {
2012 f = fopen(logfilename, "w");
2014 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2019 /* read the log file */
2020 f = fopen(logfilename, "r");
2022 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
2025 fseek(f, 0, SEEK_END);
2027 fseek(f, 0, SEEK_SET);
2028 logbuffer = av_malloc(size + 1);
2030 fprintf(stderr, "Could not allocate log buffer\n");
2033 size = fread(logbuffer, 1, size, f);
2035 logbuffer[size] = '\0';
2036 codec->stats_in = logbuffer;
2040 if(codec->codec_type == CODEC_TYPE_VIDEO){
2041 int size= codec->width * codec->height;
2042 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2047 bit_buffer = av_malloc(bit_buffer_size);
2049 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2051 ret = AVERROR(ENOMEM);
2055 /* open each encoder */
2056 for(i=0;i<nb_ostreams;i++) {
2058 if (ost->encoding_needed) {
2059 AVCodec *codec = output_codecs[i];
2061 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2063 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2064 ost->st->codec->codec_id, ost->file_index, ost->index);
2065 ret = AVERROR(EINVAL);
2068 if (avcodec_open(ost->st->codec, codec) < 0) {
2069 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2070 ost->file_index, ost->index);
2071 ret = AVERROR(EINVAL);
2074 extra_size += ost->st->codec->extradata_size;
2078 /* open each decoder */
2079 for(i=0;i<nb_istreams;i++) {
2081 if (ist->decoding_needed) {
2082 AVCodec *codec = input_codecs[i];
2084 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2086 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2087 ist->st->codec->codec_id, ist->file_index, ist->index);
2088 ret = AVERROR(EINVAL);
2091 if (avcodec_open(ist->st->codec, codec) < 0) {
2092 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2093 ist->file_index, ist->index);
2094 ret = AVERROR(EINVAL);
2097 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2098 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2103 for(i=0;i<nb_istreams;i++) {
2106 ist->next_pts = AV_NOPTS_VALUE;
2110 /* set meta data information from input file if required */
2111 for (i=0;i<nb_meta_data_maps;i++) {
2112 AVFormatContext *out_file;
2113 AVFormatContext *in_file;
2114 AVMetadataTag *mtag;
2116 int out_file_index = meta_data_maps[i].out_file;
2117 int in_file_index = meta_data_maps[i].in_file;
2118 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2119 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2120 out_file_index, out_file_index, in_file_index);
2121 ret = AVERROR(EINVAL);
2124 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2125 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2126 in_file_index, out_file_index, in_file_index);
2127 ret = AVERROR(EINVAL);
2131 out_file = output_files[out_file_index];
2132 in_file = input_files[in_file_index];
2136 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2137 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2138 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2139 in_file->iformat->metadata_conv);
2142 /* open files and write file headers */
2143 for(i=0;i<nb_output_files;i++) {
2144 os = output_files[i];
2145 if (av_write_header(os) < 0) {
2146 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2147 ret = AVERROR(EINVAL);
2150 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2156 /* dump the file output parameters - cannot be done before in case
2158 for(i=0;i<nb_output_files;i++) {
2159 dump_format(output_files[i], i, output_files[i]->filename, 1);
2162 /* dump the stream mapping */
2164 fprintf(stderr, "Stream mapping:\n");
2165 for(i=0;i<nb_ostreams;i++) {
2167 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2168 ist_table[ost->source_index]->file_index,
2169 ist_table[ost->source_index]->index,
2172 if (ost->sync_ist != ist_table[ost->source_index])
2173 fprintf(stderr, " [sync #%d.%d]",
2174 ost->sync_ist->file_index,
2175 ost->sync_ist->index);
2176 fprintf(stderr, "\n");
2181 fprintf(stderr, "%s\n", error);
2186 print_sdp(output_files, nb_output_files);
2189 if (!using_stdin && verbose >= 0) {
2190 fprintf(stderr, "Press [q] to stop encoding\n");
2191 url_set_interrupt_cb(decode_interrupt_cb);
2195 timer_start = av_gettime();
2197 for(; received_sigterm == 0;) {
2198 int file_index, ist_index;
2206 /* if 'q' pressed, exits */
2210 /* read_key() returns 0 on EOF */
2216 /* select the stream that we must read now by looking at the
2217 smallest output pts */
2219 for(i=0;i<nb_ostreams;i++) {
2222 os = output_files[ost->file_index];
2223 ist = ist_table[ost->source_index];
2224 if(no_packet[ist->file_index])
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 /* finish if recording time exhausted */
2321 if (pkt.pts * av_q2d(ist->st->time_base) >= (recording_time / 1000000.0))
2322 goto discard_packet;
2324 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2325 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2328 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2329 ist->file_index, ist->index);
2332 av_free_packet(&pkt);
2337 av_free_packet(&pkt);
2339 /* dump report by using the output first video and audio streams */
2340 print_report(output_files, ost_table, nb_ostreams, 0);
2343 /* at the end of stream, we must flush the decoder buffers */
2344 for(i=0;i<nb_istreams;i++) {
2346 if (ist->decoding_needed) {
2347 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2353 /* write the trailer if needed and close file */
2354 for(i=0;i<nb_output_files;i++) {
2355 os = output_files[i];
2356 av_write_trailer(os);
2359 /* dump report by using the first video and audio streams */
2360 print_report(output_files, ost_table, nb_ostreams, 1);
2362 /* close each encoder */
2363 for(i=0;i<nb_ostreams;i++) {
2365 if (ost->encoding_needed) {
2366 av_freep(&ost->st->codec->stats_in);
2367 avcodec_close(ost->st->codec);
2371 /* close each decoder */
2372 for(i=0;i<nb_istreams;i++) {
2374 if (ist->decoding_needed) {
2375 avcodec_close(ist->st->codec);
2383 av_freep(&bit_buffer);
2384 av_free(file_table);
2387 for(i=0;i<nb_istreams;i++) {
2394 for(i=0;i<nb_ostreams;i++) {
2398 fclose(ost->logfile);
2399 ost->logfile = NULL;
2401 av_fifo_free(ost->fifo); /* works even if fifo is not
2402 initialized but set to zero */
2403 av_free(ost->pict_tmp.data[0]);
2404 if (ost->video_resample)
2405 sws_freeContext(ost->img_resample_ctx);
2407 audio_resample_close(ost->resample);
2408 if (ost->reformat_ctx)
2409 av_audio_convert_free(ost->reformat_ctx);
2418 static void opt_format(const char *arg)
2420 /* compatibility stuff for pgmyuv */
2421 if (!strcmp(arg, "pgmyuv")) {
2422 pgmyuv_compatibility_hack=1;
2423 // opt_image_format(arg);
2425 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2428 last_asked_format = arg;
2431 static void opt_video_rc_override_string(const char *arg)
2433 video_rc_override_string = arg;
2436 static int opt_me_threshold(const char *opt, const char *arg)
2438 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2442 static int opt_verbose(const char *opt, const char *arg)
2444 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2448 static int opt_frame_rate(const char *opt, const char *arg)
2450 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2451 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2457 static int opt_bitrate(const char *opt, const char *arg)
2459 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2461 opt_default(opt, arg);
2463 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2464 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2469 static void opt_frame_crop_top(const char *arg)
2471 frame_topBand = atoi(arg);
2472 if (frame_topBand < 0) {
2473 fprintf(stderr, "Incorrect top crop size\n");
2476 if ((frame_topBand) >= frame_height){
2477 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2480 frame_height -= frame_topBand;
2483 static void opt_frame_crop_bottom(const char *arg)
2485 frame_bottomBand = atoi(arg);
2486 if (frame_bottomBand < 0) {
2487 fprintf(stderr, "Incorrect bottom crop size\n");
2490 if ((frame_bottomBand) >= frame_height){
2491 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2494 frame_height -= frame_bottomBand;
2497 static void opt_frame_crop_left(const char *arg)
2499 frame_leftBand = atoi(arg);
2500 if (frame_leftBand < 0) {
2501 fprintf(stderr, "Incorrect left crop size\n");
2504 if ((frame_leftBand) >= frame_width){
2505 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2508 frame_width -= frame_leftBand;
2511 static void opt_frame_crop_right(const char *arg)
2513 frame_rightBand = atoi(arg);
2514 if (frame_rightBand < 0) {
2515 fprintf(stderr, "Incorrect right crop size\n");
2518 if ((frame_rightBand) >= frame_width){
2519 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2522 frame_width -= frame_rightBand;
2525 static void opt_frame_size(const char *arg)
2527 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2528 fprintf(stderr, "Incorrect frame size\n");
2533 static void opt_pad_color(const char *arg) {
2534 /* Input is expected to be six hex digits similar to
2535 how colors are expressed in html tags (but without the #) */
2536 int rgb = strtol(arg, NULL, 16);
2540 g = ((rgb >> 8) & 255);
2543 padcolor[0] = RGB_TO_Y(r,g,b);
2544 padcolor[1] = RGB_TO_U(r,g,b,0);
2545 padcolor[2] = RGB_TO_V(r,g,b,0);
2548 static void opt_frame_pad_top(const char *arg)
2550 frame_padtop = atoi(arg);
2551 if (frame_padtop < 0) {
2552 fprintf(stderr, "Incorrect top pad size\n");
2557 static void opt_frame_pad_bottom(const char *arg)
2559 frame_padbottom = atoi(arg);
2560 if (frame_padbottom < 0) {
2561 fprintf(stderr, "Incorrect bottom pad size\n");
2567 static void opt_frame_pad_left(const char *arg)
2569 frame_padleft = atoi(arg);
2570 if (frame_padleft < 0) {
2571 fprintf(stderr, "Incorrect left pad size\n");
2577 static void opt_frame_pad_right(const char *arg)
2579 frame_padright = atoi(arg);
2580 if (frame_padright < 0) {
2581 fprintf(stderr, "Incorrect right pad size\n");
2586 static void opt_frame_pix_fmt(const char *arg)
2588 if (strcmp(arg, "list")) {
2589 frame_pix_fmt = av_get_pix_fmt(arg);
2590 if (frame_pix_fmt == PIX_FMT_NONE) {
2591 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2600 static void opt_frame_aspect_ratio(const char *arg)
2607 p = strchr(arg, ':');
2609 x = strtol(arg, &end, 10);
2611 y = strtol(end+1, &end, 10);
2613 ar = (double)x / (double)y;
2615 ar = strtod(arg, NULL);
2618 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2621 frame_aspect_ratio = ar;
2624 static int opt_metadata(const char *opt, const char *arg)
2626 char *mid= strchr(arg, '=');
2629 fprintf(stderr, "Missing =\n");
2635 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2636 metadata[metadata_count-1].key = av_strdup(arg);
2637 metadata[metadata_count-1].value= av_strdup(mid);
2642 static void opt_qscale(const char *arg)
2644 video_qscale = atof(arg);
2645 if (video_qscale <= 0 ||
2646 video_qscale > 255) {
2647 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2652 static void opt_top_field_first(const char *arg)
2654 top_field_first= atoi(arg);
2657 static int opt_thread_count(const char *opt, const char *arg)
2659 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2662 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2667 static void opt_audio_sample_fmt(const char *arg)
2669 if (strcmp(arg, "list"))
2670 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2672 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2677 static int opt_audio_rate(const char *opt, const char *arg)
2679 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2683 static int opt_audio_channels(const char *opt, const char *arg)
2685 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2689 static void opt_video_channel(const char *arg)
2691 video_channel = strtol(arg, NULL, 0);
2694 static void opt_video_standard(const char *arg)
2696 video_standard = av_strdup(arg);
2699 static void opt_codec(int *pstream_copy, char **pcodec_name,
2700 int codec_type, const char *arg)
2702 av_freep(pcodec_name);
2703 if (!strcmp(arg, "copy")) {
2706 *pcodec_name = av_strdup(arg);
2710 static void opt_audio_codec(const char *arg)
2712 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2715 static void opt_audio_tag(const char *arg)
2718 audio_codec_tag= strtol(arg, &tail, 0);
2721 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2724 static void opt_video_tag(const char *arg)
2727 video_codec_tag= strtol(arg, &tail, 0);
2730 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2733 static void opt_video_codec(const char *arg)
2735 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2738 static void opt_subtitle_codec(const char *arg)
2740 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2743 static void opt_subtitle_tag(const char *arg)
2746 subtitle_codec_tag= strtol(arg, &tail, 0);
2749 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2752 static void opt_map(const char *arg)
2757 m = &stream_maps[nb_stream_maps++];
2759 m->file_index = strtol(arg, &p, 0);
2763 m->stream_index = strtol(p, &p, 0);
2766 m->sync_file_index = strtol(p, &p, 0);
2769 m->sync_stream_index = strtol(p, &p, 0);
2771 m->sync_file_index = m->file_index;
2772 m->sync_stream_index = m->stream_index;
2776 static void opt_map_meta_data(const char *arg)
2781 m = &meta_data_maps[nb_meta_data_maps++];
2783 m->out_file = strtol(arg, &p, 0);
2787 m->in_file = strtol(p, &p, 0);
2790 static void opt_input_ts_scale(const char *arg)
2792 unsigned int stream;
2796 stream = strtol(arg, &p, 0);
2799 scale= strtod(p, &p);
2801 if(stream >= MAX_STREAMS)
2804 input_files_ts_scale[nb_input_files][stream]= scale;
2807 static int opt_recording_time(const char *opt, const char *arg)
2809 recording_time = parse_time_or_die(opt, arg, 1);
2813 static int opt_start_time(const char *opt, const char *arg)
2815 start_time = parse_time_or_die(opt, arg, 1);
2819 static int opt_rec_timestamp(const char *opt, const char *arg)
2821 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2825 static int opt_input_ts_offset(const char *opt, const char *arg)
2827 input_ts_offset = parse_time_or_die(opt, arg, 1);
2831 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2833 const char *codec_string = encoder ? "encoder" : "decoder";
2837 return CODEC_ID_NONE;
2839 avcodec_find_encoder_by_name(name) :
2840 avcodec_find_decoder_by_name(name);
2842 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2845 if(codec->type != type) {
2846 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2852 static void opt_input_file(const char *filename)
2854 AVFormatContext *ic;
2855 AVFormatParameters params, *ap = ¶ms;
2856 AVInputFormat *file_iformat = NULL;
2857 int err, i, ret, rfps, rfps_base;
2860 if (last_asked_format) {
2861 file_iformat = av_find_input_format(last_asked_format);
2862 last_asked_format = NULL;
2865 if (!strcmp(filename, "-"))
2868 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2869 !strcmp(filename, "/dev/stdin");
2871 /* get default parameters from command line */
2872 ic = avformat_alloc_context();
2874 print_error(filename, AVERROR(ENOMEM));
2878 memset(ap, 0, sizeof(*ap));
2879 ap->prealloced_context = 1;
2880 ap->sample_rate = audio_sample_rate;
2881 ap->channels = audio_channels;
2882 ap->time_base.den = frame_rate.num;
2883 ap->time_base.num = frame_rate.den;
2884 ap->width = frame_width + frame_padleft + frame_padright;
2885 ap->height = frame_height + frame_padtop + frame_padbottom;
2886 ap->pix_fmt = frame_pix_fmt;
2887 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2888 ap->channel = video_channel;
2889 ap->standard = video_standard;
2891 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2893 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2894 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2895 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2896 ic->flags |= AVFMT_FLAG_NONBLOCK;
2898 if(pgmyuv_compatibility_hack)
2899 ic->video_codec_id= CODEC_ID_PGMYUV;
2901 /* open the input file with generic libav function */
2902 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2904 print_error(filename, err);
2909 for(i=0; i<ic->nb_programs; i++)
2910 if(ic->programs[i]->id != opt_programid)
2911 ic->programs[i]->discard = AVDISCARD_ALL;
2914 ic->loop_input = loop_input;
2916 /* If not enough info to get the stream parameters, we decode the
2917 first frames to get it. (used in mpeg case for example) */
2918 ret = av_find_stream_info(ic);
2919 if (ret < 0 && verbose >= 0) {
2920 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2924 timestamp = start_time;
2925 /* add the stream start time */
2926 if (ic->start_time != AV_NOPTS_VALUE)
2927 timestamp += ic->start_time;
2929 /* if seeking requested, we execute it */
2930 if (start_time != 0) {
2931 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2933 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2934 filename, (double)timestamp / AV_TIME_BASE);
2936 /* reset seek info */
2940 /* update the current parameters so that they match the one of the input stream */
2941 for(i=0;i<ic->nb_streams;i++) {
2942 AVStream *st = ic->streams[i];
2943 AVCodecContext *enc = st->codec;
2944 avcodec_thread_init(enc, thread_count);
2945 switch(enc->codec_type) {
2946 case CODEC_TYPE_AUDIO:
2947 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2948 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2949 channel_layout = enc->channel_layout;
2950 audio_channels = enc->channels;
2951 audio_sample_rate = enc->sample_rate;
2952 audio_sample_fmt = enc->sample_fmt;
2953 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2955 st->discard= AVDISCARD_ALL;
2957 case CODEC_TYPE_VIDEO:
2958 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2959 frame_height = enc->height;
2960 frame_width = enc->width;
2961 if(ic->streams[i]->sample_aspect_ratio.num)
2962 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2964 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2965 frame_aspect_ratio *= (float) enc->width / enc->height;
2966 frame_pix_fmt = enc->pix_fmt;
2967 rfps = ic->streams[i]->r_frame_rate.num;
2968 rfps_base = ic->streams[i]->r_frame_rate.den;
2970 enc->flags |= CODEC_FLAG_EMU_EDGE;
2971 frame_height >>= enc->lowres;
2972 frame_width >>= enc->lowres;
2975 enc->debug |= FF_DEBUG_MV;
2977 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2980 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2981 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2983 (float)rfps / rfps_base, rfps, rfps_base);
2985 /* update the current frame rate to match the stream frame rate */
2986 frame_rate.num = rfps;
2987 frame_rate.den = rfps_base;
2989 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2991 st->discard= AVDISCARD_ALL;
2992 else if(video_discard)
2993 st->discard= video_discard;
2995 case CODEC_TYPE_DATA:
2997 case CODEC_TYPE_SUBTITLE:
2998 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2999 if(subtitle_disable)
3000 st->discard = AVDISCARD_ALL;
3002 case CODEC_TYPE_ATTACHMENT:
3003 case CODEC_TYPE_UNKNOWN:
3011 input_files[nb_input_files] = ic;
3012 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3013 /* dump the file content */
3015 dump_format(ic, nb_input_files, filename, 0);
3021 av_freep(&video_codec_name);
3022 av_freep(&audio_codec_name);
3023 av_freep(&subtitle_codec_name);
3026 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3027 int *has_subtitle_ptr)
3029 int has_video, has_audio, has_subtitle, i, j;
3030 AVFormatContext *ic;
3035 for(j=0;j<nb_input_files;j++) {
3036 ic = input_files[j];
3037 for(i=0;i<ic->nb_streams;i++) {
3038 AVCodecContext *enc = ic->streams[i]->codec;
3039 switch(enc->codec_type) {
3040 case CODEC_TYPE_AUDIO:
3043 case CODEC_TYPE_VIDEO:
3046 case CODEC_TYPE_SUBTITLE:
3049 case CODEC_TYPE_DATA:
3050 case CODEC_TYPE_ATTACHMENT:
3051 case CODEC_TYPE_UNKNOWN:
3058 *has_video_ptr = has_video;
3059 *has_audio_ptr = has_audio;
3060 *has_subtitle_ptr = has_subtitle;
3063 static void new_video_stream(AVFormatContext *oc)
3066 AVCodecContext *video_enc;
3067 enum CodecID codec_id;
3069 st = av_new_stream(oc, oc->nb_streams);
3071 fprintf(stderr, "Could not alloc stream\n");
3074 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3075 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3076 video_bitstream_filters= NULL;
3078 avcodec_thread_init(st->codec, thread_count);
3080 video_enc = st->codec;
3083 video_enc->codec_tag= video_codec_tag;
3085 if( (video_global_header&1)
3086 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3087 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3088 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3090 if(video_global_header&2){
3091 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3092 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3095 if (video_stream_copy) {
3096 st->stream_copy = 1;
3097 video_enc->codec_type = CODEC_TYPE_VIDEO;
3098 video_enc->sample_aspect_ratio =
3099 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3104 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3106 if (video_codec_name) {
3107 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3108 codec = avcodec_find_encoder_by_name(video_codec_name);
3109 output_codecs[nb_ocodecs] = codec;
3111 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3112 codec = avcodec_find_encoder(codec_id);
3115 video_enc->codec_id = codec_id;
3117 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3119 if (codec && codec->supported_framerates && !force_fps)
3120 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3121 video_enc->time_base.den = fps.num;
3122 video_enc->time_base.num = fps.den;
3124 video_enc->width = frame_width + frame_padright + frame_padleft;
3125 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3126 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3127 video_enc->pix_fmt = frame_pix_fmt;
3128 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3130 if(codec && codec->pix_fmts){
3131 const enum PixelFormat *p= codec->pix_fmts;
3133 if(*p == video_enc->pix_fmt)
3137 video_enc->pix_fmt = codec->pix_fmts[0];
3141 video_enc->gop_size = 0;
3142 if (video_qscale || same_quality) {
3143 video_enc->flags |= CODEC_FLAG_QSCALE;
3144 video_enc->global_quality=
3145 st->quality = FF_QP2LAMBDA * video_qscale;
3149 video_enc->intra_matrix = intra_matrix;
3151 video_enc->inter_matrix = inter_matrix;
3153 p= video_rc_override_string;
3156 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3158 fprintf(stderr, "error parsing rc_override\n");
3161 video_enc->rc_override=
3162 av_realloc(video_enc->rc_override,
3163 sizeof(RcOverride)*(i+1));
3164 video_enc->rc_override[i].start_frame= start;
3165 video_enc->rc_override[i].end_frame = end;
3167 video_enc->rc_override[i].qscale= q;
3168 video_enc->rc_override[i].quality_factor= 1.0;
3171 video_enc->rc_override[i].qscale= 0;
3172 video_enc->rc_override[i].quality_factor= -q/100.0;
3177 video_enc->rc_override_count=i;
3178 if (!video_enc->rc_initial_buffer_occupancy)
3179 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3180 video_enc->me_threshold= me_threshold;
3181 video_enc->intra_dc_precision= intra_dc_precision - 8;
3184 video_enc->flags|= CODEC_FLAG_PSNR;
3189 video_enc->flags |= CODEC_FLAG_PASS1;
3191 video_enc->flags |= CODEC_FLAG_PASS2;
3196 if (video_language) {
3197 av_metadata_set(&st->metadata, "language", video_language);
3198 av_freep(&video_language);
3201 /* reset some key parameters */
3203 av_freep(&video_codec_name);
3204 video_stream_copy = 0;
3207 static void new_audio_stream(AVFormatContext *oc)
3210 AVCodecContext *audio_enc;
3211 enum CodecID codec_id;
3213 st = av_new_stream(oc, oc->nb_streams);
3215 fprintf(stderr, "Could not alloc stream\n");
3218 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3220 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3221 audio_bitstream_filters= NULL;
3223 avcodec_thread_init(st->codec, thread_count);
3225 audio_enc = st->codec;
3226 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3229 audio_enc->codec_tag= audio_codec_tag;
3231 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3232 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3233 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3235 if (audio_stream_copy) {
3236 st->stream_copy = 1;
3237 audio_enc->channels = audio_channels;
3241 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3243 if (audio_codec_name) {
3244 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3245 codec = avcodec_find_encoder_by_name(audio_codec_name);
3246 output_codecs[nb_ocodecs] = codec;
3248 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3249 codec = avcodec_find_encoder(codec_id);
3251 audio_enc->codec_id = codec_id;
3253 if (audio_qscale > QSCALE_NONE) {
3254 audio_enc->flags |= CODEC_FLAG_QSCALE;
3255 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3257 audio_enc->channels = audio_channels;
3258 audio_enc->sample_fmt = audio_sample_fmt;
3259 audio_enc->channel_layout = channel_layout;
3260 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3261 audio_enc->channel_layout = 0;
3263 if(codec && codec->sample_fmts){
3264 const enum SampleFormat *p= codec->sample_fmts;
3266 if(*p == audio_enc->sample_fmt)
3270 audio_enc->sample_fmt = codec->sample_fmts[0];
3274 audio_enc->sample_rate = audio_sample_rate;
3275 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3276 if (audio_language) {
3277 av_metadata_set(&st->metadata, "language", audio_language);
3278 av_freep(&audio_language);
3281 /* reset some key parameters */
3283 av_freep(&audio_codec_name);
3284 audio_stream_copy = 0;
3287 static void new_subtitle_stream(AVFormatContext *oc)
3290 AVCodecContext *subtitle_enc;
3292 st = av_new_stream(oc, oc->nb_streams);
3294 fprintf(stderr, "Could not alloc stream\n");
3297 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3299 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3300 subtitle_bitstream_filters= NULL;
3302 subtitle_enc = st->codec;
3303 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3305 if(subtitle_codec_tag)
3306 subtitle_enc->codec_tag= subtitle_codec_tag;
3308 if (subtitle_stream_copy) {
3309 st->stream_copy = 1;
3311 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3312 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3313 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3317 if (subtitle_language) {
3318 av_metadata_set(&st->metadata, "language", subtitle_language);
3319 av_freep(&subtitle_language);
3322 subtitle_disable = 0;
3323 av_freep(&subtitle_codec_name);
3324 subtitle_stream_copy = 0;
3327 static void opt_new_audio_stream(void)
3329 AVFormatContext *oc;
3330 if (nb_output_files <= 0) {
3331 fprintf(stderr, "At least one output file must be specified\n");
3334 oc = output_files[nb_output_files - 1];
3335 new_audio_stream(oc);
3338 static void opt_new_video_stream(void)
3340 AVFormatContext *oc;
3341 if (nb_output_files <= 0) {
3342 fprintf(stderr, "At least one output file must be specified\n");
3345 oc = output_files[nb_output_files - 1];
3346 new_video_stream(oc);
3349 static void opt_new_subtitle_stream(void)
3351 AVFormatContext *oc;
3352 if (nb_output_files <= 0) {
3353 fprintf(stderr, "At least one output file must be specified\n");
3356 oc = output_files[nb_output_files - 1];
3357 new_subtitle_stream(oc);
3360 static void opt_output_file(const char *filename)
3362 AVFormatContext *oc;
3363 int use_video, use_audio, use_subtitle;
3364 int input_has_video, input_has_audio, input_has_subtitle;
3365 AVFormatParameters params, *ap = ¶ms;
3366 AVOutputFormat *file_oformat;
3368 if (!strcmp(filename, "-"))
3371 oc = avformat_alloc_context();
3373 print_error(filename, AVERROR(ENOMEM));
3377 if (last_asked_format) {
3378 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3379 if (!file_oformat) {
3380 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3383 last_asked_format = NULL;
3385 file_oformat = av_guess_format(NULL, filename, NULL);
3386 if (!file_oformat) {
3387 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3393 oc->oformat = file_oformat;
3394 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3396 if (!strcmp(file_oformat->name, "ffm") &&
3397 av_strstart(filename, "http:", NULL)) {
3398 /* special case for files sent to ffserver: we get the stream
3399 parameters from ffserver */
3400 int err = read_ffserver_streams(oc, filename);
3402 print_error(filename, err);
3406 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3407 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3408 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3410 /* disable if no corresponding type found and at least one
3412 if (nb_input_files > 0) {
3413 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3414 &input_has_subtitle);
3415 if (!input_has_video)
3417 if (!input_has_audio)
3419 if (!input_has_subtitle)
3423 /* manual disable */
3424 if (audio_disable) {
3427 if (video_disable) {
3430 if (subtitle_disable) {
3435 new_video_stream(oc);
3439 new_audio_stream(oc);
3443 new_subtitle_stream(oc);
3446 oc->timestamp = rec_timestamp;
3448 for(; metadata_count>0; metadata_count--){
3449 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3450 metadata[metadata_count-1].value);
3452 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3455 output_files[nb_output_files++] = oc;
3457 /* check filename in case of an image number is expected */
3458 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3459 if (!av_filename_number_test(oc->filename)) {
3460 print_error(oc->filename, AVERROR_NUMEXPECTED);
3465 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3466 /* test if it already exists to avoid loosing precious files */
3467 if (!file_overwrite &&
3468 (strchr(filename, ':') == NULL ||
3469 filename[1] == ':' ||
3470 av_strstart(filename, "file:", NULL))) {
3471 if (url_exist(filename)) {
3473 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3475 if (!read_yesno()) {
3476 fprintf(stderr, "Not overwriting - exiting\n");
3481 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3488 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3489 fprintf(stderr, "Could not open '%s'\n", filename);
3494 memset(ap, 0, sizeof(*ap));
3495 if (av_set_parameters(oc, ap) < 0) {
3496 fprintf(stderr, "%s: Invalid encoding parameters\n",
3501 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3502 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3503 oc->loop_output = loop_output;
3504 oc->flags |= AVFMT_FLAG_NONBLOCK;
3506 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3509 /* same option as mencoder */
3510 static void opt_pass(const char *pass_str)
3513 pass = atoi(pass_str);
3514 if (pass != 1 && pass != 2) {
3515 fprintf(stderr, "pass number can be only 1 or 2\n");
3521 static int64_t getutime(void)
3524 struct rusage rusage;
3526 getrusage(RUSAGE_SELF, &rusage);
3527 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3528 #elif HAVE_GETPROCESSTIMES
3530 FILETIME c, e, k, u;
3531 proc = GetCurrentProcess();
3532 GetProcessTimes(proc, &c, &e, &k, &u);
3533 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3535 return av_gettime();
3539 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3542 const char *p = str;
3549 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3556 static void opt_inter_matrix(const char *arg)
3558 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3559 parse_matrix_coeffs(inter_matrix, arg);
3562 static void opt_intra_matrix(const char *arg)
3564 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3565 parse_matrix_coeffs(intra_matrix, arg);
3569 * Trivial log callback.
3570 * Only suitable for show_help and similar since it lacks prefix handling.
3572 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3574 vfprintf(stdout, fmt, vl);
3577 static void show_usage(void)
3579 printf("Hyper fast Audio and Video encoder\n");
3580 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3584 static void show_help(void)
3586 av_log_set_callback(log_callback_help);
3588 show_help_options(options, "Main options:\n",
3589 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3590 show_help_options(options, "\nAdvanced options:\n",
3591 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3593 show_help_options(options, "\nVideo options:\n",
3594 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3596 show_help_options(options, "\nAdvanced Video options:\n",
3597 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3598 OPT_VIDEO | OPT_EXPERT);
3599 show_help_options(options, "\nAudio options:\n",
3600 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3602 show_help_options(options, "\nAdvanced Audio options:\n",
3603 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3604 OPT_AUDIO | OPT_EXPERT);
3605 show_help_options(options, "\nSubtitle options:\n",
3606 OPT_SUBTITLE | OPT_GRAB,
3608 show_help_options(options, "\nAudio/Video grab options:\n",
3612 av_opt_show(avcodec_opts[0], NULL);
3614 av_opt_show(avformat_opts, NULL);
3616 av_opt_show(sws_opts, NULL);
3619 static void opt_target(const char *arg)
3621 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3622 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3624 if(!strncmp(arg, "pal-", 4)) {
3627 } else if(!strncmp(arg, "ntsc-", 5)) {
3630 } else if(!strncmp(arg, "film-", 5)) {
3635 /* Calculate FR via float to avoid int overflow */
3636 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3639 } else if((fr == 29970) || (fr == 23976)) {
3642 /* Try to determine PAL/NTSC by peeking in the input files */
3643 if(nb_input_files) {
3645 for(j = 0; j < nb_input_files; j++) {
3646 for(i = 0; i < input_files[j]->nb_streams; i++) {
3647 AVCodecContext *c = input_files[j]->streams[i]->codec;
3648 if(c->codec_type != CODEC_TYPE_VIDEO)
3650 fr = c->time_base.den * 1000 / c->time_base.num;
3654 } else if((fr == 29970) || (fr == 23976)) {
3664 if(verbose && norm != UNKNOWN)
3665 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3668 if(norm == UNKNOWN) {
3669 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3670 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3671 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3675 if(!strcmp(arg, "vcd")) {
3677 opt_video_codec("mpeg1video");
3678 opt_audio_codec("mp2");
3681 opt_frame_size(norm == PAL ? "352x288" : "352x240");
3682 opt_frame_rate(NULL, frame_rates[norm]);
3683 opt_default("g", norm == PAL ? "15" : "18");
3685 opt_default("b", "1150000");
3686 opt_default("maxrate", "1150000");
3687 opt_default("minrate", "1150000");
3688 opt_default("bufsize", "327680"); // 40*1024*8;
3690 opt_default("ab", "224000");
3691 audio_sample_rate = 44100;
3694 opt_default("packetsize", "2324");
3695 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3697 /* We have to offset the PTS, so that it is consistent with the SCR.
3698 SCR starts at 36000, but the first two packs contain only padding
3699 and the first pack from the other stream, respectively, may also have
3700 been written before.
3701 So the real data starts at SCR 36000+3*1200. */
3702 mux_preload= (36000+3*1200) / 90000.0; //0.44
3703 } else if(!strcmp(arg, "svcd")) {
3705 opt_video_codec("mpeg2video");
3706 opt_audio_codec("mp2");
3709 opt_frame_size(norm == PAL ? "480x576" : "480x480");
3710 opt_frame_rate(NULL, frame_rates[norm]);
3711 opt_default("g", norm == PAL ? "15" : "18");
3713 opt_default("b", "2040000");
3714 opt_default("maxrate", "2516000");
3715 opt_default("minrate", "0"); //1145000;
3716 opt_default("bufsize", "1835008"); //224*1024*8;
3717 opt_default("flags", "+scan_offset");
3720 opt_default("ab", "224000");
3721 audio_sample_rate = 44100;
3723 opt_default("packetsize", "2324");
3725 } else if(!strcmp(arg, "dvd")) {
3727 opt_video_codec("mpeg2video");
3728 opt_audio_codec("ac3");
3731 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3732 opt_frame_rate(NULL, frame_rates[norm]);
3733 opt_default("g", norm == PAL ? "15" : "18");
3735 opt_default("b", "6000000");
3736 opt_default("maxrate", "9000000");
3737 opt_default("minrate", "0"); //1500000;
3738 opt_default("bufsize", "1835008"); //224*1024*8;
3740 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3741 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3743 opt_default("ab", "448000");
3744 audio_sample_rate = 48000;
3746 } else if(!strncmp(arg, "dv", 2)) {
3750 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3751 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3752 (norm == PAL ? "yuv420p" : "yuv411p"));
3753 opt_frame_rate(NULL, frame_rates[norm]);
3755 audio_sample_rate = 48000;
3759 fprintf(stderr, "Unknown target: %s\n", arg);
3764 static void opt_vstats_file (const char *arg)
3766 av_free (vstats_filename);
3767 vstats_filename=av_strdup (arg);
3770 static void opt_vstats (void)
3773 time_t today2 = time(NULL);
3774 struct tm *today = localtime(&today2);
3776 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3778 opt_vstats_file(filename);
3781 static int opt_bsf(const char *opt, const char *arg)
3783 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3784 AVBitStreamFilterContext **bsfp;
3787 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3791 bsfp= *opt == 'v' ? &video_bitstream_filters :
3792 *opt == 'a' ? &audio_bitstream_filters :
3793 &subtitle_bitstream_filters;
3795 bsfp= &(*bsfp)->next;
3802 static int opt_preset(const char *opt, const char *arg)
3805 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3807 const char *base[2]= { getenv("HOME"),
3812 for(i=!base[0]; i<2 && !f; i++){
3813 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3814 f= fopen(filename, "r");
3816 char *codec_name= *opt == 'v' ? video_codec_name :
3817 *opt == 'a' ? audio_codec_name :
3818 subtitle_codec_name;
3819 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3820 f= fopen(filename, "r");
3824 av_strlcpy(filename, arg, sizeof(filename));
3825 f= fopen(filename, "r");
3829 fprintf(stderr, "File for preset '%s' not found\n", arg);
3834 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3835 if(line[0] == '#' && !e)
3837 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3839 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3842 if(!strcmp(tmp, "acodec")){
3843 opt_audio_codec(tmp2);
3844 }else if(!strcmp(tmp, "vcodec")){
3845 opt_video_codec(tmp2);
3846 }else if(!strcmp(tmp, "scodec")){
3847 opt_subtitle_codec(tmp2);
3848 }else if(opt_default(tmp, tmp2) < 0){
3849 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3859 static const OptionDef options[] = {
3861 #include "cmdutils_common_opts.h"
3862 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3863 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3864 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3865 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3866 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3867 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3868 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3869 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3870 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3871 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3872 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3873 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3874 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3875 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3876 "add timings for benchmarking" },
3877 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
3878 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3879 "dump each input packet" },
3880 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3881 "when dumping packets, also dump the payload" },
3882 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3883 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3884 { "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)", "" },
3885 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3886 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3887 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3888 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3889 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3890 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3891 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3892 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3893 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3894 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3895 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3896 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3897 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3900 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3901 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3902 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3903 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3904 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3905 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3906 { "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" },
3907 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3908 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3909 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3910 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3911 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3912 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3913 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3914 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3915 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3916 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3917 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3918 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3919 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3920 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3921 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3922 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3923 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3924 "use same video quality as source (implies VBR)" },
3925 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3926 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3927 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3928 "deinterlace pictures" },
3929 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3930 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3931 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3932 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3933 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3934 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3935 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3936 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3937 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3938 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
3939 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3940 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3943 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3944 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3945 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3946 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3947 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3948 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3949 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3950 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3951 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3952 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3953 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3954 { "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" },
3956 /* subtitle options */
3957 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3958 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3959 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3960 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3961 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3964 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3965 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3966 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3969 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3970 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3972 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3973 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3974 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3976 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3977 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3978 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3979 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
3981 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3985 int main(int argc, char **argv)
3990 avcodec_register_all();
3991 avdevice_register_all();
3995 if(isatty(STDIN_FILENO))
3996 url_set_interrupt_cb(decode_interrupt_cb);
3999 for(i=0; i<CODEC_TYPE_NB; i++){
4000 avcodec_opts[i]= avcodec_alloc_context2(i);
4002 avformat_opts = avformat_alloc_context();
4003 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4008 parse_options(argc, argv, options, opt_output_file);
4010 if(nb_output_files <= 0 && nb_input_files == 0) {
4012 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4016 /* file converter / grab */
4017 if (nb_output_files <= 0) {
4018 fprintf(stderr, "At least one output file must be specified\n");
4022 if (nb_input_files == 0) {
4023 fprintf(stderr, "At least one input file must be specified\n");
4028 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
4029 stream_maps, nb_stream_maps) < 0)
4031 ti = getutime() - ti;
4033 printf("bench: utime=%0.3fs\n", ti / 1000000.0);