3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/avstring.h"
43 #include "libavutil/libm.h"
44 #include "libavformat/os_support.h"
46 #if HAVE_SYS_RESOURCE_H
47 #include <sys/types.h>
49 #include <sys/resource.h>
50 #elif HAVE_GETPROCESSTIMES
53 #if HAVE_GETPROCESSMEMORYINFO
59 #include <sys/select.h>
64 #include <sys/ioctl.h>
77 const char program_name[] = "FFmpeg";
78 const int program_birth_year = 2000;
80 /* select an input stream for an output stream */
81 typedef struct AVStreamMap {
85 int sync_stream_index;
88 /** select an input file for an output file */
89 typedef struct AVMetaDataMap {
94 static const OptionDef options[];
98 static const char *last_asked_format = NULL;
99 static AVFormatContext *input_files[MAX_FILES];
100 static int64_t input_files_ts_offset[MAX_FILES];
101 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
102 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
103 static int nb_input_files = 0;
104 static int nb_icodecs;
106 static AVFormatContext *output_files[MAX_FILES];
107 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
108 static int nb_output_files = 0;
109 static int nb_ocodecs;
111 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
112 static int nb_stream_maps;
114 static AVMetaDataMap meta_data_maps[MAX_FILES];
115 static int nb_meta_data_maps;
117 static int frame_width = 0;
118 static int frame_height = 0;
119 static float frame_aspect_ratio = 0;
120 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
121 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
122 static int frame_padtop = 0;
123 static int frame_padbottom = 0;
124 static int frame_padleft = 0;
125 static int frame_padright = 0;
126 static int padcolor[3] = {16,128,128}; /* default to black */
127 static int frame_topBand = 0;
128 static int frame_bottomBand = 0;
129 static int frame_leftBand = 0;
130 static int frame_rightBand = 0;
131 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
132 static AVRational frame_rate;
133 static float video_qscale = 0;
134 static uint16_t *intra_matrix = NULL;
135 static uint16_t *inter_matrix = NULL;
136 static const char *video_rc_override_string=NULL;
137 static int video_disable = 0;
138 static int video_discard = 0;
139 static char *video_codec_name = NULL;
140 static int video_codec_tag = 0;
141 static char *video_language = NULL;
142 static int same_quality = 0;
143 static int do_deinterlace = 0;
144 static int top_field_first = -1;
145 static int me_threshold = 0;
146 static int intra_dc_precision = 8;
147 static int loop_input = 0;
148 static int loop_output = AVFMT_NOOUTPUTLOOP;
149 static int qp_hist = 0;
151 static int intra_only = 0;
152 static int audio_sample_rate = 44100;
153 static int64_t channel_layout = 0;
154 #define QSCALE_NONE -99999
155 static float audio_qscale = QSCALE_NONE;
156 static int audio_disable = 0;
157 static int audio_channels = 1;
158 static char *audio_codec_name = NULL;
159 static int audio_codec_tag = 0;
160 static char *audio_language = NULL;
162 static int subtitle_disable = 0;
163 static char *subtitle_codec_name = NULL;
164 static char *subtitle_language = NULL;
165 static int subtitle_codec_tag = 0;
167 static float mux_preload= 0.5;
168 static float mux_max_delay= 0.7;
170 static int64_t recording_time = INT64_MAX;
171 static int64_t start_time = 0;
172 static int64_t rec_timestamp = 0;
173 static int64_t input_ts_offset = 0;
174 static int file_overwrite = 0;
175 static int metadata_count;
176 static AVMetadataTag *metadata;
177 static int do_benchmark = 0;
178 static int do_hex_dump = 0;
179 static int do_pkt_dump = 0;
180 static int do_psnr = 0;
181 static int do_pass = 0;
182 static char *pass_logfilename_prefix = NULL;
183 static int audio_stream_copy = 0;
184 static int video_stream_copy = 0;
185 static int subtitle_stream_copy = 0;
186 static int video_sync_method= -1;
187 static int audio_sync_method= 0;
188 static float audio_drift_threshold= 0.1;
189 static int copy_ts= 0;
190 static int opt_shortest = 0;
191 static int video_global_header = 0;
192 static char *vstats_filename;
193 static FILE *vstats_file;
194 static int opt_programid = 0;
195 static int copy_initial_nonkeyframes = 0;
197 static int rate_emu = 0;
199 static int video_channel = 0;
200 static char *video_standard;
202 static int audio_volume = 256;
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int verbose = 1;
207 static int thread_count= 1;
208 static int q_pressed = 0;
209 static int64_t video_size = 0;
210 static int64_t audio_size = 0;
211 static int64_t extra_size = 0;
212 static int nb_frames_dup = 0;
213 static int nb_frames_drop = 0;
214 static int input_sync;
215 static uint64_t limit_filesize = 0;
216 static int force_fps = 0;
218 static int pgmyuv_compatibility_hack=0;
219 static float dts_delta_threshold = 10;
221 static unsigned int sws_flags = SWS_BICUBIC;
223 static int64_t timer_start;
225 static uint8_t *audio_buf;
226 static uint8_t *audio_out;
227 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
229 static short *samples;
231 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
232 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
234 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
236 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
238 struct AVInputStream;
240 typedef struct AVOutputStream {
241 int file_index; /* file index */
242 int index; /* stream index in the output file */
243 int source_index; /* AVInputStream index */
244 AVStream *st; /* stream in the output file */
245 int encoding_needed; /* true if encoding needed for this stream */
247 /* input pts and corresponding output pts
249 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
250 struct AVInputStream *sync_ist; /* input stream to sync against */
251 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
254 AVFrame pict_tmp; /* temporary image for resampling */
255 struct SwsContext *img_resample_ctx; /* for image resampling */
258 int resample_pix_fmt;
260 /* full frame size of first frame */
264 /* cropping area sizes */
271 /* cropping area of first frame */
272 int original_topBand;
273 int original_bottomBand;
274 int original_leftBand;
275 int original_rightBand;
277 /* padding area sizes */
286 ReSampleContext *resample; /* for audio resampling */
288 AVAudioConvert *reformat_ctx;
289 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
293 typedef struct AVInputStream {
297 int discard; /* true if stream data should be discarded */
298 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
299 int64_t sample_index; /* current sample */
301 int64_t start; /* time when read started */
302 int64_t next_pts; /* synthetic pts for cases where pkt.pts
304 int64_t pts; /* current pts */
305 int is_start; /* is 1 at the start and after a discontinuity */
306 int showed_multi_packet_warning;
307 int is_past_recording_time;
310 typedef struct AVInputFile {
311 int eof_reached; /* true if eof reached */
312 int ist_index; /* index of first stream in ist_table */
313 int buffer_size; /* current total buffer size */
314 int nb_streams; /* nb streams we are aware of */
319 /* init terminal so that we can grab keys */
320 static struct termios oldtty;
323 static void term_exit(void)
326 tcsetattr (0, TCSANOW, &oldtty);
330 static volatile int received_sigterm = 0;
333 sigterm_handler(int sig)
335 received_sigterm = sig;
339 static void term_init(void)
347 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
348 |INLCR|IGNCR|ICRNL|IXON);
349 tty.c_oflag |= OPOST;
350 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
351 tty.c_cflag &= ~(CSIZE|PARENB);
356 tcsetattr (0, TCSANOW, &tty);
357 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
360 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
361 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
363 signal(SIGXCPU, sigterm_handler);
367 register a function to be called at normal program termination
370 #if CONFIG_BEOS_NETSERVER
371 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
375 /* read a key without blocking */
376 static int read_key(void)
381 #if !CONFIG_BEOS_NETSERVER
389 n = select(1, &rfds, NULL, NULL, &tv);
405 static int decode_interrupt_cb(void)
407 return q_pressed || (q_pressed = read_key() == 'q');
410 static int av_exit(int ret)
415 for(i=0;i<nb_output_files;i++) {
416 /* maybe av_close_output_file ??? */
417 AVFormatContext *s = output_files[i];
419 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
421 for(j=0;j<s->nb_streams;j++) {
422 av_metadata_free(&s->streams[j]->metadata);
423 av_free(s->streams[j]->codec);
424 av_free(s->streams[j]);
426 for(j=0;j<s->nb_programs;j++) {
427 av_metadata_free(&s->programs[j]->metadata);
429 for(j=0;j<s->nb_chapters;j++) {
430 av_metadata_free(&s->chapters[j]->metadata);
432 av_metadata_free(&s->metadata);
435 for(i=0;i<nb_input_files;i++)
436 av_close_input_file(input_files[i]);
438 av_free(intra_matrix);
439 av_free(inter_matrix);
443 av_free(vstats_filename);
447 av_free(video_codec_name);
448 av_free(audio_codec_name);
449 av_free(subtitle_codec_name);
451 av_free(video_standard);
453 #if CONFIG_POWERPC_PERF
454 void powerpc_display_perf_report(void);
455 powerpc_display_perf_report();
456 #endif /* CONFIG_POWERPC_PERF */
458 for (i=0;i<CODEC_TYPE_NB;i++)
459 av_free(avcodec_opts[i]);
460 av_free(avformat_opts);
464 allocated_audio_buf_size= allocated_audio_out_size= 0;
467 if (received_sigterm) {
469 "Received signal %d: terminating.\n",
470 (int) received_sigterm);
474 exit(ret); /* not all OS-es handle main() return value */
478 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
484 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
487 /* copy stream format */
488 s->nb_streams = ic->nb_streams;
489 for(i=0;i<ic->nb_streams;i++) {
492 // FIXME: a more elegant solution is needed
493 st = av_mallocz(sizeof(AVStream));
494 memcpy(st, ic->streams[i], sizeof(AVStream));
495 st->codec = avcodec_alloc_context();
497 print_error(filename, AVERROR(ENOMEM));
500 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
503 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
505 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
508 if(!st->codec->thread_count)
509 st->codec->thread_count = 1;
510 if(st->codec->thread_count>1)
511 avcodec_thread_init(st->codec, st->codec->thread_count);
513 if(st->codec->flags & CODEC_FLAG_BITEXACT)
518 s->timestamp = av_gettime();
520 av_close_input_file(ic);
525 get_sync_ipts(const AVOutputStream *ost)
527 const AVInputStream *ist = ost->sync_ist;
528 return (double)(ist->pts - start_time)/AV_TIME_BASE;
531 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
535 AVPacket new_pkt= *pkt;
536 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
537 &new_pkt.data, &new_pkt.size,
538 pkt->data, pkt->size,
539 pkt->flags & PKT_FLAG_KEY);
542 new_pkt.destruct= av_destruct_packet;
544 fprintf(stderr, "%s failed for stream %d, codec %s",
545 bsfc->filter->name, pkt->stream_index,
546 avctx->codec ? avctx->codec->name : "copy");
556 ret= av_interleaved_write_frame(s, pkt);
558 print_error("av_interleaved_write_frame()", ret);
563 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
565 static void do_audio_out(AVFormatContext *s,
568 unsigned char *buf, int size)
571 int64_t audio_out_size, audio_buf_size;
572 int64_t allocated_for_size= size;
574 int size_out, frame_bytes, ret;
575 AVCodecContext *enc= ost->st->codec;
576 AVCodecContext *dec= ist->st->codec;
577 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
578 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
579 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
582 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
583 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
584 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
585 audio_buf_size*= osize*enc->channels;
587 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
588 if(coded_bps > 8*osize)
589 audio_out_size= audio_out_size * coded_bps / (8*osize);
590 audio_out_size += FF_MIN_BUFFER_SIZE;
592 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
593 fprintf(stderr, "Buffer sizes too large\n");
597 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
598 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
599 if (!audio_buf || !audio_out){
600 fprintf(stderr, "Out of memory in do_audio_out\n");
604 if (enc->channels != dec->channels)
605 ost->audio_resample = 1;
607 if (ost->audio_resample && !ost->resample) {
608 if (dec->sample_fmt != SAMPLE_FMT_S16)
609 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
610 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
611 enc->sample_rate, dec->sample_rate,
612 enc->sample_fmt, dec->sample_fmt,
614 if (!ost->resample) {
615 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
616 dec->channels, dec->sample_rate,
617 enc->channels, enc->sample_rate);
622 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
623 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
624 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
625 if (ost->reformat_ctx)
626 av_audio_convert_free(ost->reformat_ctx);
627 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
628 dec->sample_fmt, 1, NULL, 0);
629 if (!ost->reformat_ctx) {
630 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
631 avcodec_get_sample_fmt_name(dec->sample_fmt),
632 avcodec_get_sample_fmt_name(enc->sample_fmt));
635 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
638 if(audio_sync_method){
639 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
640 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
641 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
642 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
644 //FIXME resample delay
645 if(fabs(delta) > 50){
646 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
648 byte_delta= FFMAX(byte_delta, -size);
652 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
657 static uint8_t *input_tmp= NULL;
658 input_tmp= av_realloc(input_tmp, byte_delta + size);
660 if(byte_delta > allocated_for_size - size){
661 allocated_for_size= byte_delta + (int64_t)size;
666 memset(input_tmp, 0, byte_delta);
667 memcpy(input_tmp + byte_delta, buf, size);
671 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
673 }else if(audio_sync_method>1){
674 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
675 assert(ost->audio_resample);
677 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
678 // 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));
679 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
683 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
684 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
686 if (ost->audio_resample) {
688 size_out = audio_resample(ost->resample,
689 (short *)buftmp, (short *)buf,
690 size / (ist->st->codec->channels * isize));
691 size_out = size_out * enc->channels * osize;
697 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
698 const void *ibuf[6]= {buftmp};
699 void *obuf[6]= {audio_buf};
700 int istride[6]= {isize};
701 int ostride[6]= {osize};
702 int len= size_out/istride[0];
703 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
704 printf("av_audio_convert() failed\n");
710 size_out = len*osize;
713 /* now encode as many frames as possible */
714 if (enc->frame_size > 1) {
715 /* output resampled raw samples */
716 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
717 fprintf(stderr, "av_fifo_realloc2() failed\n");
720 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
722 frame_bytes = enc->frame_size * osize * enc->channels;
724 while (av_fifo_size(ost->fifo) >= frame_bytes) {
726 av_init_packet(&pkt);
728 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
730 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
732 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
735 fprintf(stderr, "Audio encoding failed\n");
739 pkt.stream_index= ost->index;
742 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
743 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
744 pkt.flags |= PKT_FLAG_KEY;
745 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
747 ost->sync_opts += enc->frame_size;
751 av_init_packet(&pkt);
753 ost->sync_opts += size_out / (osize * enc->channels);
755 /* output a pcm frame */
756 /* determine the size of the coded buffer */
759 size_out = size_out*coded_bps/8;
761 if(size_out > audio_out_size){
762 fprintf(stderr, "Internal error, buffer size too small\n");
766 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
767 ret = avcodec_encode_audio(enc, audio_out, size_out,
770 fprintf(stderr, "Audio encoding failed\n");
774 pkt.stream_index= ost->index;
777 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
778 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
779 pkt.flags |= PKT_FLAG_KEY;
780 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
784 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
788 AVPicture picture_tmp;
791 dec = ist->st->codec;
793 /* deinterlace : must be done before any resize */
794 if (do_deinterlace) {
797 /* create temporary picture */
798 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
799 buf = av_malloc(size);
803 picture2 = &picture_tmp;
804 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
806 if(avpicture_deinterlace(picture2, picture,
807 dec->pix_fmt, dec->width, dec->height) < 0) {
808 /* if error, do not deinterlace */
809 fprintf(stderr, "Deinterlacing failed\n");
818 if (picture != picture2)
819 *picture = *picture2;
823 /* we begin to correct av delay at this threshold */
824 #define AV_DELAY_MAX 0.100
826 static void do_subtitle_out(AVFormatContext *s,
832 static uint8_t *subtitle_out = NULL;
833 int subtitle_out_max_size = 1024 * 1024;
834 int subtitle_out_size, nb, i;
838 if (pts == AV_NOPTS_VALUE) {
839 fprintf(stderr, "Subtitle packets must have a pts\n");
845 enc = ost->st->codec;
848 subtitle_out = av_malloc(subtitle_out_max_size);
851 /* Note: DVB subtitle need one packet to draw them and one other
852 packet to clear them */
853 /* XXX: signal it in the codec context ? */
854 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
859 for(i = 0; i < nb; i++) {
860 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
861 // start_display_time is required to be 0
862 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
863 sub->end_display_time -= sub->start_display_time;
864 sub->start_display_time = 0;
865 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
866 subtitle_out_max_size, sub);
867 if (subtitle_out_size < 0) {
868 fprintf(stderr, "Subtitle encoding failed\n");
872 av_init_packet(&pkt);
873 pkt.stream_index = ost->index;
874 pkt.data = subtitle_out;
875 pkt.size = subtitle_out_size;
876 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
877 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
878 /* XXX: the pts correction is handled here. Maybe handling
879 it in the codec would be better */
881 pkt.pts += 90 * sub->start_display_time;
883 pkt.pts += 90 * sub->end_display_time;
885 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
889 static int bit_buffer_size= 1024*256;
890 static uint8_t *bit_buffer= NULL;
892 static void do_video_out(AVFormatContext *s,
898 int nb_frames, i, ret;
899 int64_t topBand, bottomBand, leftBand, rightBand;
900 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
901 AVFrame picture_crop_temp, picture_pad_temp;
902 AVCodecContext *enc, *dec;
905 avcodec_get_frame_defaults(&picture_crop_temp);
906 avcodec_get_frame_defaults(&picture_pad_temp);
908 enc = ost->st->codec;
909 dec = ist->st->codec;
911 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
913 /* by default, we output a single frame */
918 if(video_sync_method){
919 double vdelta = sync_ipts - ost->sync_opts;
920 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
923 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
927 ost->sync_opts= lrintf(sync_ipts);
928 }else if (vdelta > 1.1)
929 nb_frames = lrintf(vdelta);
930 //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);
934 fprintf(stderr, "*** drop!\n");
935 }else if (nb_frames > 1) {
936 nb_frames_dup += nb_frames - 1;
938 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
941 ost->sync_opts= lrintf(sync_ipts);
943 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
947 if (ost->video_crop) {
948 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
949 fprintf(stderr, "error cropping picture\n");
954 formatted_picture = &picture_crop_temp;
956 formatted_picture = in_picture;
959 final_picture = formatted_picture;
960 padding_src = formatted_picture;
961 resampling_dst = &ost->pict_tmp;
962 if (ost->video_pad) {
963 final_picture = &ost->pict_tmp;
964 if (ost->video_resample) {
965 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
966 fprintf(stderr, "error padding picture\n");
971 resampling_dst = &picture_pad_temp;
975 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
976 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
977 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
979 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));
980 if(!ost->video_resample)
984 if (ost->video_resample) {
986 final_picture = &ost->pict_tmp;
987 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
988 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
989 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
991 /* keep bands proportional to the frame size */
992 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
993 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
994 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
995 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
997 /* sanity check to ensure no bad band sizes sneak in */
998 assert(topBand <= INT_MAX && topBand >= 0);
999 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1000 assert(leftBand <= INT_MAX && leftBand >= 0);
1001 assert(rightBand <= INT_MAX && rightBand >= 0);
1003 ost->topBand = topBand;
1004 ost->bottomBand = bottomBand;
1005 ost->leftBand = leftBand;
1006 ost->rightBand = rightBand;
1008 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1009 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1010 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1012 /* initialize a new scaler context */
1013 sws_freeContext(ost->img_resample_ctx);
1014 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1015 ost->img_resample_ctx = sws_getContext(
1016 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1017 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1018 ist->st->codec->pix_fmt,
1019 ost->st->codec->width - (ost->padleft + ost->padright),
1020 ost->st->codec->height - (ost->padtop + ost->padbottom),
1021 ost->st->codec->pix_fmt,
1022 sws_flags, NULL, NULL, NULL);
1023 if (ost->img_resample_ctx == NULL) {
1024 fprintf(stderr, "Cannot get resampling context\n");
1028 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1029 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1032 if (ost->video_pad) {
1033 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1034 enc->height, enc->width, enc->pix_fmt,
1035 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1038 /* duplicates frame if needed */
1039 for(i=0;i<nb_frames;i++) {
1041 av_init_packet(&pkt);
1042 pkt.stream_index= ost->index;
1044 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1045 /* raw pictures are written as AVPicture structure to
1046 avoid any copies. We support temorarily the older
1048 AVFrame* old_frame = enc->coded_frame;
1049 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1050 pkt.data= (uint8_t *)final_picture;
1051 pkt.size= sizeof(AVPicture);
1052 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1053 pkt.flags |= PKT_FLAG_KEY;
1055 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1056 enc->coded_frame = old_frame;
1058 AVFrame big_picture;
1060 big_picture= *final_picture;
1061 /* better than nothing: use input picture interlaced
1063 big_picture.interlaced_frame = in_picture->interlaced_frame;
1064 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1065 if(top_field_first == -1)
1066 big_picture.top_field_first = in_picture->top_field_first;
1068 big_picture.top_field_first = top_field_first;
1071 /* handles sameq here. This is not correct because it may
1072 not be a global option */
1074 big_picture.quality = ist->st->quality;
1076 big_picture.quality = ost->st->quality;
1078 big_picture.pict_type = 0;
1079 // big_picture.pts = AV_NOPTS_VALUE;
1080 big_picture.pts= ost->sync_opts;
1081 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1082 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1083 ret = avcodec_encode_video(enc,
1084 bit_buffer, bit_buffer_size,
1087 fprintf(stderr, "Video encoding failed\n");
1092 pkt.data= bit_buffer;
1094 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1095 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1096 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1097 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1098 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1100 if(enc->coded_frame->key_frame)
1101 pkt.flags |= PKT_FLAG_KEY;
1102 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1105 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1106 // enc->frame_number-1, ret, enc->pict_type);
1107 /* if two pass, output log */
1108 if (ost->logfile && enc->stats_out) {
1109 fprintf(ost->logfile, "%s", enc->stats_out);
1114 ost->frame_number++;
1118 static double psnr(double d){
1119 return -10.0*log(d)/log(10.0);
1122 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1125 AVCodecContext *enc;
1127 double ti1, bitrate, avg_bitrate;
1129 /* this is executed just the first time do_video_stats is called */
1131 vstats_file = fopen(vstats_filename, "w");
1138 enc = ost->st->codec;
1139 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1140 frame_number = ost->frame_number;
1141 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1142 if (enc->flags&CODEC_FLAG_PSNR)
1143 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1145 fprintf(vstats_file,"f_size= %6d ", frame_size);
1146 /* compute pts value */
1147 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1151 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1152 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1153 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1154 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1155 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1159 static void print_report(AVFormatContext **output_files,
1160 AVOutputStream **ost_table, int nb_ostreams,
1164 AVOutputStream *ost;
1165 AVFormatContext *oc;
1167 AVCodecContext *enc;
1168 int frame_number, vid, i;
1169 double bitrate, ti1, pts;
1170 static int64_t last_time = -1;
1171 static int qp_histogram[52];
1173 if (!is_last_report) {
1175 /* display the report every 0.5 seconds */
1176 cur_time = av_gettime();
1177 if (last_time == -1) {
1178 last_time = cur_time;
1181 if ((cur_time - last_time) < 500000)
1183 last_time = cur_time;
1187 oc = output_files[0];
1189 total_size = url_fsize(oc->pb);
1190 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1191 total_size= url_ftell(oc->pb);
1196 for(i=0;i<nb_ostreams;i++) {
1198 enc = ost->st->codec;
1199 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1200 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1201 !ost->st->stream_copy ?
1202 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1204 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1205 float t = (av_gettime()-timer_start) / 1000000.0;
1207 frame_number = ost->frame_number;
1208 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1209 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1210 !ost->st->stream_copy ?
1211 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1213 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1216 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1217 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1220 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1222 if (enc->flags&CODEC_FLAG_PSNR){
1224 double error, error_sum=0;
1225 double scale, scale_sum=0;
1226 char type[3]= {'Y','U','V'};
1227 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1230 error= enc->error[j];
1231 scale= enc->width*enc->height*255.0*255.0*frame_number;
1233 error= enc->coded_frame->error[j];
1234 scale= enc->width*enc->height*255.0*255.0;
1239 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1241 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1245 /* compute min output value */
1246 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1247 if ((pts < ti1) && (pts > 0))
1253 if (verbose || is_last_report) {
1254 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1256 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1257 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1258 (double)total_size / 1024, ti1, bitrate);
1260 if (nb_frames_dup || nb_frames_drop)
1261 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1262 nb_frames_dup, nb_frames_drop);
1265 fprintf(stderr, "%s \r", buf);
1270 if (is_last_report && verbose >= 0){
1271 int64_t raw= audio_size + video_size + extra_size;
1272 fprintf(stderr, "\n");
1273 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1277 100.0*(total_size - raw)/raw
1282 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1283 static int output_packet(AVInputStream *ist, int ist_index,
1284 AVOutputStream **ost_table, int nb_ostreams,
1285 const AVPacket *pkt)
1287 AVFormatContext *os;
1288 AVOutputStream *ost;
1292 void *buffer_to_free;
1293 static unsigned int samples_size= 0;
1294 AVSubtitle subtitle, *subtitle_to_free;
1297 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1299 if(ist->next_pts == AV_NOPTS_VALUE)
1300 ist->next_pts= ist->pts;
1304 av_init_packet(&avpkt);
1312 if(pkt->dts != AV_NOPTS_VALUE)
1313 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1315 //while we have more to decode or while the decoder did output something on EOF
1316 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1317 uint8_t *data_buf, *decoded_data_buf;
1318 int data_size, decoded_data_size;
1320 ist->pts= ist->next_pts;
1322 if(avpkt.size && avpkt.size != pkt->size &&
1323 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1324 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1325 ist->showed_multi_packet_warning=1;
1328 /* decode the packet if needed */
1329 decoded_data_buf = NULL; /* fail safe */
1330 decoded_data_size= 0;
1331 data_buf = avpkt.data;
1332 data_size = avpkt.size;
1333 subtitle_to_free = NULL;
1334 if (ist->decoding_needed) {
1335 switch(ist->st->codec->codec_type) {
1336 case CODEC_TYPE_AUDIO:{
1337 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1338 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1340 samples= av_malloc(samples_size);
1342 decoded_data_size= samples_size;
1343 /* XXX: could avoid copy if PCM 16 bits with same
1344 endianness as CPU */
1345 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1352 /* Some bug in mpeg audio decoder gives */
1353 /* decoded_data_size < 0, it seems they are overflows */
1354 if (decoded_data_size <= 0) {
1355 /* no audio frame */
1358 decoded_data_buf = (uint8_t *)samples;
1359 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1360 (ist->st->codec->sample_rate * ist->st->codec->channels);
1362 case CODEC_TYPE_VIDEO:
1363 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1364 /* XXX: allocate picture correctly */
1365 avcodec_get_frame_defaults(&picture);
1367 ret = avcodec_decode_video2(ist->st->codec,
1368 &picture, &got_picture, &avpkt);
1369 ist->st->quality= picture.quality;
1373 /* no picture yet */
1374 goto discard_packet;
1376 if (ist->st->codec->time_base.num != 0) {
1377 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1378 ist->next_pts += ((int64_t)AV_TIME_BASE *
1379 ist->st->codec->time_base.num * ticks) /
1380 ist->st->codec->time_base.den;
1384 case CODEC_TYPE_SUBTITLE:
1385 ret = avcodec_decode_subtitle2(ist->st->codec,
1386 &subtitle, &got_subtitle, &avpkt);
1389 if (!got_subtitle) {
1390 goto discard_packet;
1392 subtitle_to_free = &subtitle;
1399 switch(ist->st->codec->codec_type) {
1400 case CODEC_TYPE_AUDIO:
1401 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1402 ist->st->codec->sample_rate;
1404 case CODEC_TYPE_VIDEO:
1405 if (ist->st->codec->time_base.num != 0) {
1406 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1407 ist->next_pts += ((int64_t)AV_TIME_BASE *
1408 ist->st->codec->time_base.num * ticks) /
1409 ist->st->codec->time_base.den;
1417 buffer_to_free = NULL;
1418 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1419 pre_process_video_frame(ist, (AVPicture *)&picture,
1423 // preprocess audio (volume)
1424 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1425 if (audio_volume != 256) {
1428 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1429 int v = ((*volp) * audio_volume + 128) >> 8;
1430 if (v < -32768) v = -32768;
1431 if (v > 32767) v = 32767;
1437 /* frame rate emulation */
1439 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1440 int64_t now = av_gettime() - ist->start;
1445 /* if output time reached then transcode raw format,
1446 encode packets and output them */
1447 if (start_time == 0 || ist->pts >= start_time)
1448 for(i=0;i<nb_ostreams;i++) {
1452 if (ost->source_index == ist_index) {
1453 os = output_files[ost->file_index];
1455 /* set the input output pts pairs */
1456 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1458 if (ost->encoding_needed) {
1459 assert(ist->decoding_needed);
1460 switch(ost->st->codec->codec_type) {
1461 case CODEC_TYPE_AUDIO:
1462 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1464 case CODEC_TYPE_VIDEO:
1465 do_video_out(os, ost, ist, &picture, &frame_size);
1466 if (vstats_filename && frame_size)
1467 do_video_stats(os, ost, frame_size);
1469 case CODEC_TYPE_SUBTITLE:
1470 do_subtitle_out(os, ost, ist, &subtitle,
1477 AVFrame avframe; //FIXME/XXX remove this
1479 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1481 av_init_packet(&opkt);
1483 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1486 /* no reencoding needed : output the packet directly */
1487 /* force the input stream PTS */
1489 avcodec_get_frame_defaults(&avframe);
1490 ost->st->codec->coded_frame= &avframe;
1491 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1493 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1494 audio_size += data_size;
1495 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1496 video_size += data_size;
1500 opkt.stream_index= ost->index;
1501 if(pkt->pts != AV_NOPTS_VALUE)
1502 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1504 opkt.pts= AV_NOPTS_VALUE;
1506 if (pkt->dts == AV_NOPTS_VALUE)
1507 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1509 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1510 opkt.dts -= ost_tb_start_time;
1512 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1513 opkt.flags= pkt->flags;
1515 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1516 if( ost->st->codec->codec_id != CODEC_ID_H264
1517 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1518 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1520 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1521 opkt.destruct= av_destruct_packet;
1523 opkt.data = data_buf;
1524 opkt.size = data_size;
1527 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1528 ost->st->codec->frame_number++;
1529 ost->frame_number++;
1530 av_free_packet(&opkt);
1534 av_free(buffer_to_free);
1535 /* XXX: allocate the subtitles in the codec ? */
1536 if (subtitle_to_free) {
1537 if (subtitle_to_free->rects != NULL) {
1538 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1539 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1540 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1541 av_freep(&subtitle_to_free->rects[i]);
1543 av_freep(&subtitle_to_free->rects);
1545 subtitle_to_free->num_rects = 0;
1546 subtitle_to_free = NULL;
1553 for(i=0;i<nb_ostreams;i++) {
1555 if (ost->source_index == ist_index) {
1556 AVCodecContext *enc= ost->st->codec;
1557 os = output_files[ost->file_index];
1559 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1561 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1564 if (ost->encoding_needed) {
1568 av_init_packet(&pkt);
1569 pkt.stream_index= ost->index;
1571 switch(ost->st->codec->codec_type) {
1572 case CODEC_TYPE_AUDIO:
1573 fifo_bytes = av_fifo_size(ost->fifo);
1575 /* encode any samples remaining in fifo */
1576 if (fifo_bytes > 0) {
1577 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1578 int fs_tmp = enc->frame_size;
1580 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1581 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1582 enc->frame_size = fifo_bytes / (osize * enc->channels);
1584 int frame_bytes = enc->frame_size*osize*enc->channels;
1585 if (samples_size < frame_bytes)
1587 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1590 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1591 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1592 ost->st->time_base.num, enc->sample_rate);
1593 enc->frame_size = fs_tmp;
1596 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1599 fprintf(stderr, "Audio encoding failed\n");
1603 pkt.flags |= PKT_FLAG_KEY;
1605 case CODEC_TYPE_VIDEO:
1606 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1608 fprintf(stderr, "Video encoding failed\n");
1612 if(enc->coded_frame && enc->coded_frame->key_frame)
1613 pkt.flags |= PKT_FLAG_KEY;
1614 if (ost->logfile && enc->stats_out) {
1615 fprintf(ost->logfile, "%s", enc->stats_out);
1624 pkt.data= bit_buffer;
1626 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1627 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1628 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1640 static void print_sdp(AVFormatContext **avc, int n)
1644 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1645 printf("SDP:\n%s\n", sdp);
1650 * The following code is the main loop of the file converter
1652 static int av_encode(AVFormatContext **output_files,
1653 int nb_output_files,
1654 AVFormatContext **input_files,
1656 AVStreamMap *stream_maps, int nb_stream_maps)
1658 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1659 AVFormatContext *is, *os;
1660 AVCodecContext *codec, *icodec;
1661 AVOutputStream *ost, **ost_table = NULL;
1662 AVInputStream *ist, **ist_table = NULL;
1663 AVInputFile *file_table;
1667 uint8_t no_packet[MAX_FILES]={0};
1668 int no_packet_count=0;
1670 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1674 /* input stream init */
1676 for(i=0;i<nb_input_files;i++) {
1677 is = input_files[i];
1678 file_table[i].ist_index = j;
1679 file_table[i].nb_streams = is->nb_streams;
1680 j += is->nb_streams;
1684 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1688 for(i=0;i<nb_istreams;i++) {
1689 ist = av_mallocz(sizeof(AVInputStream));
1695 for(i=0;i<nb_input_files;i++) {
1696 is = input_files[i];
1697 for(k=0;k<is->nb_streams;k++) {
1698 ist = ist_table[j++];
1699 ist->st = is->streams[k];
1700 ist->file_index = i;
1702 ist->discard = 1; /* the stream is discarded by default
1706 ist->start = av_gettime();
1711 /* output stream init */
1713 for(i=0;i<nb_output_files;i++) {
1714 os = output_files[i];
1715 if (!os->nb_streams) {
1716 dump_format(output_files[i], i, output_files[i]->filename, 1);
1717 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1720 nb_ostreams += os->nb_streams;
1722 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1723 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1727 /* Sanity check the mapping args -- do the input files & streams exist? */
1728 for(i=0;i<nb_stream_maps;i++) {
1729 int fi = stream_maps[i].file_index;
1730 int si = stream_maps[i].stream_index;
1732 if (fi < 0 || fi > nb_input_files - 1 ||
1733 si < 0 || si > file_table[fi].nb_streams - 1) {
1734 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1737 fi = stream_maps[i].sync_file_index;
1738 si = stream_maps[i].sync_stream_index;
1739 if (fi < 0 || fi > nb_input_files - 1 ||
1740 si < 0 || si > file_table[fi].nb_streams - 1) {
1741 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1746 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1749 for(i=0;i<nb_ostreams;i++) {
1750 ost = av_mallocz(sizeof(AVOutputStream));
1757 for(k=0;k<nb_output_files;k++) {
1758 os = output_files[k];
1759 for(i=0;i<os->nb_streams;i++,n++) {
1762 ost->file_index = k;
1764 ost->st = os->streams[i];
1765 if (nb_stream_maps > 0) {
1766 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1767 stream_maps[n].stream_index;
1769 /* Sanity check that the stream types match */
1770 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1771 int i= ost->file_index;
1772 dump_format(output_files[i], i, output_files[i]->filename, 1);
1773 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1774 stream_maps[n].file_index, stream_maps[n].stream_index,
1775 ost->file_index, ost->index);
1780 int best_nb_frames=-1;
1781 /* get corresponding input stream index : we select the first one with the right type */
1783 for(j=0;j<nb_istreams;j++) {
1788 AVFormatContext *f= input_files[ ist->file_index ];
1790 for(pi=0; pi<f->nb_programs; pi++){
1791 AVProgram *p= f->programs[pi];
1792 if(p->id == opt_programid)
1793 for(si=0; si<p->nb_stream_indexes; si++){
1794 if(f->streams[ p->stream_index[si] ] == ist->st)
1799 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
1800 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1801 if(best_nb_frames < ist->st->codec_info_nb_frames){
1802 best_nb_frames= ist->st->codec_info_nb_frames;
1803 ost->source_index = j;
1810 if(! opt_programid) {
1811 /* try again and reuse existing stream */
1812 for(j=0;j<nb_istreams;j++) {
1814 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
1815 && ist->st->discard != AVDISCARD_ALL) {
1816 ost->source_index = j;
1822 int i= ost->file_index;
1823 dump_format(output_files[i], i, output_files[i]->filename, 1);
1824 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1825 ost->file_index, ost->index);
1830 ist = ist_table[ost->source_index];
1832 ost->sync_ist = (nb_stream_maps > 0) ?
1833 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1834 stream_maps[n].sync_stream_index] : ist;
1838 /* for each output stream, we compute the right encoding parameters */
1839 for(i=0;i<nb_ostreams;i++) {
1840 AVMetadataTag *t = NULL, *lang = NULL;
1842 os = output_files[ost->file_index];
1843 ist = ist_table[ost->source_index];
1845 codec = ost->st->codec;
1846 icodec = ist->st->codec;
1848 if (av_metadata_get(ist->st->metadata, "language", NULL, 0))
1849 lang = av_metadata_get(ost->st->metadata, "language", NULL, 0);
1850 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
1851 if (lang && !strcmp(t->key, "language"))
1853 av_metadata_set2(&ost->st->metadata, t->key, t->value, 0);
1856 ost->st->disposition = ist->st->disposition;
1857 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1858 codec->chroma_sample_location = icodec->chroma_sample_location;
1860 if (ost->st->stream_copy) {
1861 /* if stream_copy is selected, no need to decode or encode */
1862 codec->codec_id = icodec->codec_id;
1863 codec->codec_type = icodec->codec_type;
1865 if(!codec->codec_tag){
1866 if( !os->oformat->codec_tag
1867 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1868 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1869 codec->codec_tag = icodec->codec_tag;
1872 codec->bit_rate = icodec->bit_rate;
1873 codec->extradata= icodec->extradata;
1874 codec->extradata_size= icodec->extradata_size;
1875 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){
1876 codec->time_base = icodec->time_base;
1877 codec->time_base.num *= icodec->ticks_per_frame;
1879 codec->time_base = ist->st->time_base;
1880 switch(codec->codec_type) {
1881 case CODEC_TYPE_AUDIO:
1882 if(audio_volume != 256) {
1883 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1886 codec->channel_layout = icodec->channel_layout;
1887 codec->sample_rate = icodec->sample_rate;
1888 codec->channels = icodec->channels;
1889 codec->frame_size = icodec->frame_size;
1890 codec->block_align= icodec->block_align;
1891 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1892 codec->block_align= 0;
1893 if(codec->codec_id == CODEC_ID_AC3)
1894 codec->block_align= 0;
1896 case CODEC_TYPE_VIDEO:
1897 codec->pix_fmt = icodec->pix_fmt;
1898 codec->width = icodec->width;
1899 codec->height = icodec->height;
1900 codec->has_b_frames = icodec->has_b_frames;
1902 case CODEC_TYPE_SUBTITLE:
1903 codec->width = icodec->width;
1904 codec->height = icodec->height;
1910 switch(codec->codec_type) {
1911 case CODEC_TYPE_AUDIO:
1912 ost->fifo= av_fifo_alloc(1024);
1915 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1916 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1917 icodec->request_channels = codec->channels;
1918 ist->decoding_needed = 1;
1919 ost->encoding_needed = 1;
1921 case CODEC_TYPE_VIDEO:
1922 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1923 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
1926 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1927 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1928 ost->video_resample = ((codec->width != icodec->width -
1929 (frame_leftBand + frame_rightBand) +
1930 (frame_padleft + frame_padright)) ||
1931 (codec->height != icodec->height -
1932 (frame_topBand + frame_bottomBand) +
1933 (frame_padtop + frame_padbottom)) ||
1934 (codec->pix_fmt != icodec->pix_fmt));
1935 if (ost->video_crop) {
1936 ost->topBand = ost->original_topBand = frame_topBand;
1937 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1938 ost->leftBand = ost->original_leftBand = frame_leftBand;
1939 ost->rightBand = ost->original_rightBand = frame_rightBand;
1941 if (ost->video_pad) {
1942 ost->padtop = frame_padtop;
1943 ost->padleft = frame_padleft;
1944 ost->padbottom = frame_padbottom;
1945 ost->padright = frame_padright;
1946 if (!ost->video_resample) {
1947 avcodec_get_frame_defaults(&ost->pict_tmp);
1948 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1949 codec->width, codec->height))
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)) {
1957 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1960 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1961 ost->img_resample_ctx = sws_getContext(
1962 icodec->width - (frame_leftBand + frame_rightBand),
1963 icodec->height - (frame_topBand + frame_bottomBand),
1965 codec->width - (frame_padleft + frame_padright),
1966 codec->height - (frame_padtop + frame_padbottom),
1968 sws_flags, NULL, NULL, NULL);
1969 if (ost->img_resample_ctx == NULL) {
1970 fprintf(stderr, "Cannot get resampling context\n");
1974 ost->original_height = icodec->height;
1975 ost->original_width = icodec->width;
1977 codec->bits_per_raw_sample= 0;
1979 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1980 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1981 ost->resample_pix_fmt= icodec->pix_fmt;
1982 ost->encoding_needed = 1;
1983 ist->decoding_needed = 1;
1985 case CODEC_TYPE_SUBTITLE:
1986 ost->encoding_needed = 1;
1987 ist->decoding_needed = 1;
1994 if (ost->encoding_needed &&
1995 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1996 char logfilename[1024];
2001 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2002 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2004 if (codec->flags & CODEC_FLAG_PASS1) {
2005 f = fopen(logfilename, "w");
2007 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2012 /* read the log file */
2013 f = fopen(logfilename, "r");
2015 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
2018 fseek(f, 0, SEEK_END);
2020 fseek(f, 0, SEEK_SET);
2021 logbuffer = av_malloc(size + 1);
2023 fprintf(stderr, "Could not allocate log buffer\n");
2026 size = fread(logbuffer, 1, size, f);
2028 logbuffer[size] = '\0';
2029 codec->stats_in = logbuffer;
2033 if(codec->codec_type == CODEC_TYPE_VIDEO){
2034 int size= codec->width * codec->height;
2035 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2040 bit_buffer = av_malloc(bit_buffer_size);
2042 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2044 ret = AVERROR(ENOMEM);
2048 /* open each encoder */
2049 for(i=0;i<nb_ostreams;i++) {
2051 if (ost->encoding_needed) {
2052 AVCodec *codec = output_codecs[i];
2054 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2056 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2057 ost->st->codec->codec_id, ost->file_index, ost->index);
2058 ret = AVERROR(EINVAL);
2061 if (avcodec_open(ost->st->codec, codec) < 0) {
2062 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2063 ost->file_index, ost->index);
2064 ret = AVERROR(EINVAL);
2067 extra_size += ost->st->codec->extradata_size;
2071 /* open each decoder */
2072 for(i=0;i<nb_istreams;i++) {
2074 if (ist->decoding_needed) {
2075 AVCodec *codec = input_codecs[i];
2077 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2079 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2080 ist->st->codec->codec_id, ist->file_index, ist->index);
2081 ret = AVERROR(EINVAL);
2084 if (avcodec_open(ist->st->codec, codec) < 0) {
2085 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2086 ist->file_index, ist->index);
2087 ret = AVERROR(EINVAL);
2090 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2091 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2096 for(i=0;i<nb_istreams;i++) {
2100 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2101 ist->next_pts = AV_NOPTS_VALUE;
2105 /* set meta data information from input file if required */
2106 for (i=0;i<nb_meta_data_maps;i++) {
2107 AVFormatContext *out_file;
2108 AVFormatContext *in_file;
2109 AVMetadataTag *mtag;
2111 int out_file_index = meta_data_maps[i].out_file;
2112 int in_file_index = meta_data_maps[i].in_file;
2113 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2114 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2115 out_file_index, out_file_index, in_file_index);
2116 ret = AVERROR(EINVAL);
2119 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2120 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2121 in_file_index, out_file_index, in_file_index);
2122 ret = AVERROR(EINVAL);
2126 out_file = output_files[out_file_index];
2127 in_file = input_files[in_file_index];
2131 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2132 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2133 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2134 in_file->iformat->metadata_conv);
2137 /* open files and write file headers */
2138 for(i=0;i<nb_output_files;i++) {
2139 os = output_files[i];
2140 if (av_write_header(os) < 0) {
2141 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2142 ret = AVERROR(EINVAL);
2145 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2151 /* dump the file output parameters - cannot be done before in case
2153 for(i=0;i<nb_output_files;i++) {
2154 dump_format(output_files[i], i, output_files[i]->filename, 1);
2157 /* dump the stream mapping */
2159 fprintf(stderr, "Stream mapping:\n");
2160 for(i=0;i<nb_ostreams;i++) {
2162 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2163 ist_table[ost->source_index]->file_index,
2164 ist_table[ost->source_index]->index,
2167 if (ost->sync_ist != ist_table[ost->source_index])
2168 fprintf(stderr, " [sync #%d.%d]",
2169 ost->sync_ist->file_index,
2170 ost->sync_ist->index);
2171 fprintf(stderr, "\n");
2176 fprintf(stderr, "%s\n", error);
2181 print_sdp(output_files, nb_output_files);
2184 if (!using_stdin && verbose >= 0) {
2185 fprintf(stderr, "Press [q] to stop encoding\n");
2186 url_set_interrupt_cb(decode_interrupt_cb);
2190 timer_start = av_gettime();
2192 for(; received_sigterm == 0;) {
2193 int file_index, ist_index;
2201 /* if 'q' pressed, exits */
2205 /* read_key() returns 0 on EOF */
2211 /* select the stream that we must read now by looking at the
2212 smallest output pts */
2214 for(i=0;i<nb_ostreams;i++) {
2217 os = output_files[ost->file_index];
2218 ist = ist_table[ost->source_index];
2219 if(ist->is_past_recording_time || no_packet[ist->file_index])
2221 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2222 ipts = (double)ist->pts;
2223 if (!file_table[ist->file_index].eof_reached){
2224 if(ipts < ipts_min) {
2226 if(input_sync ) file_index = ist->file_index;
2228 if(opts < opts_min) {
2230 if(!input_sync) file_index = ist->file_index;
2233 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2238 /* if none, if is finished */
2239 if (file_index < 0) {
2240 if(no_packet_count){
2242 memset(no_packet, 0, sizeof(no_packet));
2249 /* finish if limit size exhausted */
2250 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2253 /* read a frame from it and output it in the fifo */
2254 is = input_files[file_index];
2255 ret= av_read_frame(is, &pkt);
2256 if(ret == AVERROR(EAGAIN)){
2257 no_packet[file_index]=1;
2262 file_table[file_index].eof_reached = 1;
2270 memset(no_packet, 0, sizeof(no_packet));
2273 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2275 /* the following test is needed in case new streams appear
2276 dynamically in stream : we ignore them */
2277 if (pkt.stream_index >= file_table[file_index].nb_streams)
2278 goto discard_packet;
2279 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2280 ist = ist_table[ist_index];
2282 goto discard_packet;
2284 if (pkt.dts != AV_NOPTS_VALUE)
2285 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2286 if (pkt.pts != AV_NOPTS_VALUE)
2287 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2289 if(input_files_ts_scale[file_index][pkt.stream_index]){
2290 if(pkt.pts != AV_NOPTS_VALUE)
2291 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2292 if(pkt.dts != AV_NOPTS_VALUE)
2293 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2296 // 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);
2297 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2298 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2299 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2300 int64_t delta= pkt_dts - ist->next_pts;
2301 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2302 input_files_ts_offset[ist->file_index]-= delta;
2304 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2305 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2306 if(pkt.pts != AV_NOPTS_VALUE)
2307 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2311 /* finish if recording time exhausted */
2312 if (recording_time != INT64_MAX &&
2313 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2314 ist->is_past_recording_time = 1;
2315 goto discard_packet;
2318 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2319 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2322 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2323 ist->file_index, ist->index);
2326 av_free_packet(&pkt);
2331 av_free_packet(&pkt);
2333 /* dump report by using the output first video and audio streams */
2334 print_report(output_files, ost_table, nb_ostreams, 0);
2337 /* at the end of stream, we must flush the decoder buffers */
2338 for(i=0;i<nb_istreams;i++) {
2340 if (ist->decoding_needed) {
2341 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2347 /* write the trailer if needed and close file */
2348 for(i=0;i<nb_output_files;i++) {
2349 os = output_files[i];
2350 av_write_trailer(os);
2353 /* dump report by using the first video and audio streams */
2354 print_report(output_files, ost_table, nb_ostreams, 1);
2356 /* close each encoder */
2357 for(i=0;i<nb_ostreams;i++) {
2359 if (ost->encoding_needed) {
2360 av_freep(&ost->st->codec->stats_in);
2361 avcodec_close(ost->st->codec);
2365 /* close each decoder */
2366 for(i=0;i<nb_istreams;i++) {
2368 if (ist->decoding_needed) {
2369 avcodec_close(ist->st->codec);
2377 av_freep(&bit_buffer);
2378 av_free(file_table);
2381 for(i=0;i<nb_istreams;i++) {
2388 for(i=0;i<nb_ostreams;i++) {
2392 fclose(ost->logfile);
2393 ost->logfile = NULL;
2395 av_fifo_free(ost->fifo); /* works even if fifo is not
2396 initialized but set to zero */
2397 av_free(ost->pict_tmp.data[0]);
2398 if (ost->video_resample)
2399 sws_freeContext(ost->img_resample_ctx);
2401 audio_resample_close(ost->resample);
2402 if (ost->reformat_ctx)
2403 av_audio_convert_free(ost->reformat_ctx);
2412 static void opt_format(const char *arg)
2414 /* compatibility stuff for pgmyuv */
2415 if (!strcmp(arg, "pgmyuv")) {
2416 pgmyuv_compatibility_hack=1;
2417 // opt_image_format(arg);
2419 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2422 last_asked_format = arg;
2425 static void opt_video_rc_override_string(const char *arg)
2427 video_rc_override_string = arg;
2430 static int opt_me_threshold(const char *opt, const char *arg)
2432 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2436 static int opt_verbose(const char *opt, const char *arg)
2438 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2442 static int opt_frame_rate(const char *opt, const char *arg)
2444 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2445 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2451 static int opt_bitrate(const char *opt, const char *arg)
2453 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2455 opt_default(opt, arg);
2457 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2458 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2463 static void opt_frame_crop_top(const char *arg)
2465 frame_topBand = atoi(arg);
2466 if (frame_topBand < 0) {
2467 fprintf(stderr, "Incorrect top crop size\n");
2470 if ((frame_topBand) >= frame_height){
2471 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2474 frame_height -= frame_topBand;
2477 static void opt_frame_crop_bottom(const char *arg)
2479 frame_bottomBand = atoi(arg);
2480 if (frame_bottomBand < 0) {
2481 fprintf(stderr, "Incorrect bottom crop size\n");
2484 if ((frame_bottomBand) >= frame_height){
2485 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2488 frame_height -= frame_bottomBand;
2491 static void opt_frame_crop_left(const char *arg)
2493 frame_leftBand = atoi(arg);
2494 if (frame_leftBand < 0) {
2495 fprintf(stderr, "Incorrect left crop size\n");
2498 if ((frame_leftBand) >= frame_width){
2499 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2502 frame_width -= frame_leftBand;
2505 static void opt_frame_crop_right(const char *arg)
2507 frame_rightBand = atoi(arg);
2508 if (frame_rightBand < 0) {
2509 fprintf(stderr, "Incorrect right crop size\n");
2512 if ((frame_rightBand) >= frame_width){
2513 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2516 frame_width -= frame_rightBand;
2519 static void opt_frame_size(const char *arg)
2521 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2522 fprintf(stderr, "Incorrect frame size\n");
2527 static void opt_pad_color(const char *arg) {
2528 /* Input is expected to be six hex digits similar to
2529 how colors are expressed in html tags (but without the #) */
2530 int rgb = strtol(arg, NULL, 16);
2534 g = ((rgb >> 8) & 255);
2537 padcolor[0] = RGB_TO_Y(r,g,b);
2538 padcolor[1] = RGB_TO_U(r,g,b,0);
2539 padcolor[2] = RGB_TO_V(r,g,b,0);
2542 static void opt_frame_pad_top(const char *arg)
2544 frame_padtop = atoi(arg);
2545 if (frame_padtop < 0) {
2546 fprintf(stderr, "Incorrect top pad size\n");
2551 static void opt_frame_pad_bottom(const char *arg)
2553 frame_padbottom = atoi(arg);
2554 if (frame_padbottom < 0) {
2555 fprintf(stderr, "Incorrect bottom pad size\n");
2561 static void opt_frame_pad_left(const char *arg)
2563 frame_padleft = atoi(arg);
2564 if (frame_padleft < 0) {
2565 fprintf(stderr, "Incorrect left pad size\n");
2571 static void opt_frame_pad_right(const char *arg)
2573 frame_padright = atoi(arg);
2574 if (frame_padright < 0) {
2575 fprintf(stderr, "Incorrect right pad size\n");
2580 static void opt_frame_pix_fmt(const char *arg)
2582 if (strcmp(arg, "list")) {
2583 frame_pix_fmt = av_get_pix_fmt(arg);
2584 if (frame_pix_fmt == PIX_FMT_NONE) {
2585 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2594 static void opt_frame_aspect_ratio(const char *arg)
2601 p = strchr(arg, ':');
2603 x = strtol(arg, &end, 10);
2605 y = strtol(end+1, &end, 10);
2607 ar = (double)x / (double)y;
2609 ar = strtod(arg, NULL);
2612 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2615 frame_aspect_ratio = ar;
2618 static int opt_metadata(const char *opt, const char *arg)
2620 char *mid= strchr(arg, '=');
2623 fprintf(stderr, "Missing =\n");
2629 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2630 metadata[metadata_count-1].key = av_strdup(arg);
2631 metadata[metadata_count-1].value= av_strdup(mid);
2636 static void opt_qscale(const char *arg)
2638 video_qscale = atof(arg);
2639 if (video_qscale <= 0 ||
2640 video_qscale > 255) {
2641 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2646 static void opt_top_field_first(const char *arg)
2648 top_field_first= atoi(arg);
2651 static int opt_thread_count(const char *opt, const char *arg)
2653 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2656 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2661 static void opt_audio_sample_fmt(const char *arg)
2663 if (strcmp(arg, "list"))
2664 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2666 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2671 static int opt_audio_rate(const char *opt, const char *arg)
2673 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2677 static int opt_audio_channels(const char *opt, const char *arg)
2679 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2683 static void opt_video_channel(const char *arg)
2685 video_channel = strtol(arg, NULL, 0);
2688 static void opt_video_standard(const char *arg)
2690 video_standard = av_strdup(arg);
2693 static void opt_codec(int *pstream_copy, char **pcodec_name,
2694 int codec_type, const char *arg)
2696 av_freep(pcodec_name);
2697 if (!strcmp(arg, "copy")) {
2700 *pcodec_name = av_strdup(arg);
2704 static void opt_audio_codec(const char *arg)
2706 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2709 static void opt_audio_tag(const char *arg)
2712 audio_codec_tag= strtol(arg, &tail, 0);
2715 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2718 static void opt_video_tag(const char *arg)
2721 video_codec_tag= strtol(arg, &tail, 0);
2724 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2727 static void opt_video_codec(const char *arg)
2729 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2732 static void opt_subtitle_codec(const char *arg)
2734 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2737 static void opt_subtitle_tag(const char *arg)
2740 subtitle_codec_tag= strtol(arg, &tail, 0);
2743 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2746 static void opt_map(const char *arg)
2751 m = &stream_maps[nb_stream_maps++];
2753 m->file_index = strtol(arg, &p, 0);
2757 m->stream_index = strtol(p, &p, 0);
2760 m->sync_file_index = strtol(p, &p, 0);
2763 m->sync_stream_index = strtol(p, &p, 0);
2765 m->sync_file_index = m->file_index;
2766 m->sync_stream_index = m->stream_index;
2770 static void opt_map_meta_data(const char *arg)
2775 m = &meta_data_maps[nb_meta_data_maps++];
2777 m->out_file = strtol(arg, &p, 0);
2781 m->in_file = strtol(p, &p, 0);
2784 static void opt_input_ts_scale(const char *arg)
2786 unsigned int stream;
2790 stream = strtol(arg, &p, 0);
2793 scale= strtod(p, &p);
2795 if(stream >= MAX_STREAMS)
2798 input_files_ts_scale[nb_input_files][stream]= scale;
2801 static int opt_recording_time(const char *opt, const char *arg)
2803 recording_time = parse_time_or_die(opt, arg, 1);
2807 static int opt_start_time(const char *opt, const char *arg)
2809 start_time = parse_time_or_die(opt, arg, 1);
2813 static int opt_rec_timestamp(const char *opt, const char *arg)
2815 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2819 static int opt_input_ts_offset(const char *opt, const char *arg)
2821 input_ts_offset = parse_time_or_die(opt, arg, 1);
2825 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2827 const char *codec_string = encoder ? "encoder" : "decoder";
2831 return CODEC_ID_NONE;
2833 avcodec_find_encoder_by_name(name) :
2834 avcodec_find_decoder_by_name(name);
2836 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2839 if(codec->type != type) {
2840 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2846 static void opt_input_file(const char *filename)
2848 AVFormatContext *ic;
2849 AVFormatParameters params, *ap = ¶ms;
2850 AVInputFormat *file_iformat = NULL;
2851 int err, i, ret, rfps, rfps_base;
2854 if (last_asked_format) {
2855 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2856 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2859 last_asked_format = NULL;
2862 if (!strcmp(filename, "-"))
2865 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2866 !strcmp(filename, "/dev/stdin");
2868 /* get default parameters from command line */
2869 ic = avformat_alloc_context();
2871 print_error(filename, AVERROR(ENOMEM));
2875 memset(ap, 0, sizeof(*ap));
2876 ap->prealloced_context = 1;
2877 ap->sample_rate = audio_sample_rate;
2878 ap->channels = audio_channels;
2879 ap->time_base.den = frame_rate.num;
2880 ap->time_base.num = frame_rate.den;
2881 ap->width = frame_width + frame_padleft + frame_padright;
2882 ap->height = frame_height + frame_padtop + frame_padbottom;
2883 ap->pix_fmt = frame_pix_fmt;
2884 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2885 ap->channel = video_channel;
2886 ap->standard = video_standard;
2888 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2890 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2891 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2892 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2893 ic->flags |= AVFMT_FLAG_NONBLOCK;
2895 if(pgmyuv_compatibility_hack)
2896 ic->video_codec_id= CODEC_ID_PGMYUV;
2898 /* open the input file with generic libav function */
2899 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2901 print_error(filename, err);
2907 for(i=0; i<ic->nb_streams; i++){
2908 ic->streams[i]->discard= AVDISCARD_ALL;
2910 for(i=0; i<ic->nb_programs; i++){
2911 AVProgram *p= ic->programs[i];
2912 if(p->id != opt_programid){
2913 p->discard = AVDISCARD_ALL;
2916 for(j=0; j<p->nb_stream_indexes; j++){
2917 ic->streams[p->stream_index[j]]->discard= 0;
2922 fprintf(stderr, "Specified program id not found\n");
2928 ic->loop_input = loop_input;
2930 /* If not enough info to get the stream parameters, we decode the
2931 first frames to get it. (used in mpeg case for example) */
2932 ret = av_find_stream_info(ic);
2933 if (ret < 0 && verbose >= 0) {
2934 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2938 timestamp = start_time;
2939 /* add the stream start time */
2940 if (ic->start_time != AV_NOPTS_VALUE)
2941 timestamp += ic->start_time;
2943 /* if seeking requested, we execute it */
2944 if (start_time != 0) {
2945 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2947 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2948 filename, (double)timestamp / AV_TIME_BASE);
2950 /* reset seek info */
2954 /* update the current parameters so that they match the one of the input stream */
2955 for(i=0;i<ic->nb_streams;i++) {
2956 AVStream *st = ic->streams[i];
2957 AVCodecContext *enc = st->codec;
2958 avcodec_thread_init(enc, thread_count);
2959 switch(enc->codec_type) {
2960 case CODEC_TYPE_AUDIO:
2961 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2962 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2963 channel_layout = enc->channel_layout;
2964 audio_channels = enc->channels;
2965 audio_sample_rate = enc->sample_rate;
2966 audio_sample_fmt = enc->sample_fmt;
2967 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2969 st->discard= AVDISCARD_ALL;
2971 case CODEC_TYPE_VIDEO:
2972 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2973 frame_height = enc->height;
2974 frame_width = enc->width;
2975 if(ic->streams[i]->sample_aspect_ratio.num)
2976 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2978 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2979 frame_aspect_ratio *= (float) enc->width / enc->height;
2980 frame_pix_fmt = enc->pix_fmt;
2981 rfps = ic->streams[i]->r_frame_rate.num;
2982 rfps_base = ic->streams[i]->r_frame_rate.den;
2984 enc->flags |= CODEC_FLAG_EMU_EDGE;
2985 frame_height >>= enc->lowres;
2986 frame_width >>= enc->lowres;
2989 enc->debug |= FF_DEBUG_MV;
2991 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2994 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2995 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2997 (float)rfps / rfps_base, rfps, rfps_base);
2999 /* update the current frame rate to match the stream frame rate */
3000 frame_rate.num = rfps;
3001 frame_rate.den = rfps_base;
3003 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3005 st->discard= AVDISCARD_ALL;
3006 else if(video_discard)
3007 st->discard= video_discard;
3009 case CODEC_TYPE_DATA:
3011 case CODEC_TYPE_SUBTITLE:
3012 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3013 if(subtitle_disable)
3014 st->discard = AVDISCARD_ALL;
3016 case CODEC_TYPE_ATTACHMENT:
3017 case CODEC_TYPE_UNKNOWN:
3025 input_files[nb_input_files] = ic;
3026 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3027 /* dump the file content */
3029 dump_format(ic, nb_input_files, filename, 0);
3035 av_freep(&video_codec_name);
3036 av_freep(&audio_codec_name);
3037 av_freep(&subtitle_codec_name);
3040 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3041 int *has_subtitle_ptr)
3043 int has_video, has_audio, has_subtitle, i, j;
3044 AVFormatContext *ic;
3049 for(j=0;j<nb_input_files;j++) {
3050 ic = input_files[j];
3051 for(i=0;i<ic->nb_streams;i++) {
3052 AVCodecContext *enc = ic->streams[i]->codec;
3053 switch(enc->codec_type) {
3054 case CODEC_TYPE_AUDIO:
3057 case CODEC_TYPE_VIDEO:
3060 case CODEC_TYPE_SUBTITLE:
3063 case CODEC_TYPE_DATA:
3064 case CODEC_TYPE_ATTACHMENT:
3065 case CODEC_TYPE_UNKNOWN:
3072 *has_video_ptr = has_video;
3073 *has_audio_ptr = has_audio;
3074 *has_subtitle_ptr = has_subtitle;
3077 static void new_video_stream(AVFormatContext *oc)
3080 AVCodecContext *video_enc;
3081 enum CodecID codec_id;
3083 st = av_new_stream(oc, oc->nb_streams);
3085 fprintf(stderr, "Could not alloc stream\n");
3088 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3089 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3090 video_bitstream_filters= NULL;
3092 avcodec_thread_init(st->codec, thread_count);
3094 video_enc = st->codec;
3097 video_enc->codec_tag= video_codec_tag;
3099 if( (video_global_header&1)
3100 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3101 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3102 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3104 if(video_global_header&2){
3105 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3106 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3109 if (video_stream_copy) {
3110 st->stream_copy = 1;
3111 video_enc->codec_type = CODEC_TYPE_VIDEO;
3112 video_enc->sample_aspect_ratio =
3113 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3118 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3120 if (video_codec_name) {
3121 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3122 codec = avcodec_find_encoder_by_name(video_codec_name);
3123 output_codecs[nb_ocodecs] = codec;
3125 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3126 codec = avcodec_find_encoder(codec_id);
3129 video_enc->codec_id = codec_id;
3131 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3133 if (codec && codec->supported_framerates && !force_fps)
3134 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3135 video_enc->time_base.den = fps.num;
3136 video_enc->time_base.num = fps.den;
3138 video_enc->width = frame_width + frame_padright + frame_padleft;
3139 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3140 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3141 video_enc->pix_fmt = frame_pix_fmt;
3142 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3144 if(codec && codec->pix_fmts){
3145 const enum PixelFormat *p= codec->pix_fmts;
3147 if(*p == video_enc->pix_fmt)
3151 && !( video_enc->codec_id==CODEC_ID_MJPEG
3152 && video_enc->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
3153 && ( video_enc->pix_fmt == PIX_FMT_YUV420P
3154 || video_enc->pix_fmt == PIX_FMT_YUV422P)))
3155 video_enc->pix_fmt = codec->pix_fmts[0];
3159 video_enc->gop_size = 0;
3160 if (video_qscale || same_quality) {
3161 video_enc->flags |= CODEC_FLAG_QSCALE;
3162 video_enc->global_quality=
3163 st->quality = FF_QP2LAMBDA * video_qscale;
3167 video_enc->intra_matrix = intra_matrix;
3169 video_enc->inter_matrix = inter_matrix;
3171 p= video_rc_override_string;
3174 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3176 fprintf(stderr, "error parsing rc_override\n");
3179 video_enc->rc_override=
3180 av_realloc(video_enc->rc_override,
3181 sizeof(RcOverride)*(i+1));
3182 video_enc->rc_override[i].start_frame= start;
3183 video_enc->rc_override[i].end_frame = end;
3185 video_enc->rc_override[i].qscale= q;
3186 video_enc->rc_override[i].quality_factor= 1.0;
3189 video_enc->rc_override[i].qscale= 0;
3190 video_enc->rc_override[i].quality_factor= -q/100.0;
3195 video_enc->rc_override_count=i;
3196 if (!video_enc->rc_initial_buffer_occupancy)
3197 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3198 video_enc->me_threshold= me_threshold;
3199 video_enc->intra_dc_precision= intra_dc_precision - 8;
3202 video_enc->flags|= CODEC_FLAG_PSNR;
3207 video_enc->flags |= CODEC_FLAG_PASS1;
3209 video_enc->flags |= CODEC_FLAG_PASS2;
3214 if (video_language) {
3215 av_metadata_set(&st->metadata, "language", video_language);
3216 av_freep(&video_language);
3219 /* reset some key parameters */
3221 av_freep(&video_codec_name);
3222 video_stream_copy = 0;
3223 frame_pix_fmt = PIX_FMT_NONE;
3226 static void new_audio_stream(AVFormatContext *oc)
3229 AVCodecContext *audio_enc;
3230 enum CodecID codec_id;
3232 st = av_new_stream(oc, oc->nb_streams);
3234 fprintf(stderr, "Could not alloc stream\n");
3237 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3239 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3240 audio_bitstream_filters= NULL;
3242 avcodec_thread_init(st->codec, thread_count);
3244 audio_enc = st->codec;
3245 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3248 audio_enc->codec_tag= audio_codec_tag;
3250 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3251 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3252 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3254 if (audio_stream_copy) {
3255 st->stream_copy = 1;
3256 audio_enc->channels = audio_channels;
3260 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3262 if (audio_codec_name) {
3263 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3264 codec = avcodec_find_encoder_by_name(audio_codec_name);
3265 output_codecs[nb_ocodecs] = codec;
3267 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3268 codec = avcodec_find_encoder(codec_id);
3270 audio_enc->codec_id = codec_id;
3272 if (audio_qscale > QSCALE_NONE) {
3273 audio_enc->flags |= CODEC_FLAG_QSCALE;
3274 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3276 audio_enc->channels = audio_channels;
3277 audio_enc->sample_fmt = audio_sample_fmt;
3278 audio_enc->channel_layout = channel_layout;
3279 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3280 audio_enc->channel_layout = 0;
3282 if(codec && codec->sample_fmts){
3283 const enum SampleFormat *p= codec->sample_fmts;
3285 if(*p == audio_enc->sample_fmt)
3289 audio_enc->sample_fmt = codec->sample_fmts[0];
3293 audio_enc->sample_rate = audio_sample_rate;
3294 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3295 if (audio_language) {
3296 av_metadata_set(&st->metadata, "language", audio_language);
3297 av_freep(&audio_language);
3300 /* reset some key parameters */
3302 av_freep(&audio_codec_name);
3303 audio_stream_copy = 0;
3306 static void new_subtitle_stream(AVFormatContext *oc)
3309 AVCodecContext *subtitle_enc;
3311 st = av_new_stream(oc, oc->nb_streams);
3313 fprintf(stderr, "Could not alloc stream\n");
3316 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3318 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3319 subtitle_bitstream_filters= NULL;
3321 subtitle_enc = st->codec;
3322 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3324 if(subtitle_codec_tag)
3325 subtitle_enc->codec_tag= subtitle_codec_tag;
3327 if (subtitle_stream_copy) {
3328 st->stream_copy = 1;
3330 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3331 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3332 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3336 if (subtitle_language) {
3337 av_metadata_set(&st->metadata, "language", subtitle_language);
3338 av_freep(&subtitle_language);
3341 subtitle_disable = 0;
3342 av_freep(&subtitle_codec_name);
3343 subtitle_stream_copy = 0;
3346 static void opt_new_audio_stream(void)
3348 AVFormatContext *oc;
3349 if (nb_output_files <= 0) {
3350 fprintf(stderr, "At least one output file must be specified\n");
3353 oc = output_files[nb_output_files - 1];
3354 new_audio_stream(oc);
3357 static void opt_new_video_stream(void)
3359 AVFormatContext *oc;
3360 if (nb_output_files <= 0) {
3361 fprintf(stderr, "At least one output file must be specified\n");
3364 oc = output_files[nb_output_files - 1];
3365 new_video_stream(oc);
3368 static void opt_new_subtitle_stream(void)
3370 AVFormatContext *oc;
3371 if (nb_output_files <= 0) {
3372 fprintf(stderr, "At least one output file must be specified\n");
3375 oc = output_files[nb_output_files - 1];
3376 new_subtitle_stream(oc);
3379 static void opt_output_file(const char *filename)
3381 AVFormatContext *oc;
3382 int use_video, use_audio, use_subtitle;
3383 int input_has_video, input_has_audio, input_has_subtitle;
3384 AVFormatParameters params, *ap = ¶ms;
3385 AVOutputFormat *file_oformat;
3387 if (!strcmp(filename, "-"))
3390 oc = avformat_alloc_context();
3392 print_error(filename, AVERROR(ENOMEM));
3396 if (last_asked_format) {
3397 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3398 if (!file_oformat) {
3399 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3402 last_asked_format = NULL;
3404 file_oformat = av_guess_format(NULL, filename, NULL);
3405 if (!file_oformat) {
3406 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3412 oc->oformat = file_oformat;
3413 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3415 if (!strcmp(file_oformat->name, "ffm") &&
3416 av_strstart(filename, "http:", NULL)) {
3417 /* special case for files sent to ffserver: we get the stream
3418 parameters from ffserver */
3419 int err = read_ffserver_streams(oc, filename);
3421 print_error(filename, err);
3425 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3426 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3427 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3429 /* disable if no corresponding type found and at least one
3431 if (nb_input_files > 0) {
3432 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3433 &input_has_subtitle);
3434 if (!input_has_video)
3436 if (!input_has_audio)
3438 if (!input_has_subtitle)
3442 /* manual disable */
3443 if (audio_disable) {
3446 if (video_disable) {
3449 if (subtitle_disable) {
3454 new_video_stream(oc);
3458 new_audio_stream(oc);
3462 new_subtitle_stream(oc);
3465 oc->timestamp = rec_timestamp;
3467 for(; metadata_count>0; metadata_count--){
3468 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3469 metadata[metadata_count-1].value);
3471 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3474 output_files[nb_output_files++] = oc;
3476 /* check filename in case of an image number is expected */
3477 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3478 if (!av_filename_number_test(oc->filename)) {
3479 print_error(oc->filename, AVERROR_NUMEXPECTED);
3484 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3485 /* test if it already exists to avoid loosing precious files */
3486 if (!file_overwrite &&
3487 (strchr(filename, ':') == NULL ||
3488 filename[1] == ':' ||
3489 av_strstart(filename, "file:", NULL))) {
3490 if (url_exist(filename)) {
3492 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3494 if (!read_yesno()) {
3495 fprintf(stderr, "Not overwriting - exiting\n");
3500 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3507 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3508 fprintf(stderr, "Could not open '%s'\n", filename);
3513 memset(ap, 0, sizeof(*ap));
3514 if (av_set_parameters(oc, ap) < 0) {
3515 fprintf(stderr, "%s: Invalid encoding parameters\n",
3520 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3521 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3522 oc->loop_output = loop_output;
3523 oc->flags |= AVFMT_FLAG_NONBLOCK;
3525 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3528 /* same option as mencoder */
3529 static void opt_pass(const char *pass_str)
3532 pass = atoi(pass_str);
3533 if (pass != 1 && pass != 2) {
3534 fprintf(stderr, "pass number can be only 1 or 2\n");
3540 static int64_t getutime(void)
3543 struct rusage rusage;
3545 getrusage(RUSAGE_SELF, &rusage);
3546 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3547 #elif HAVE_GETPROCESSTIMES
3549 FILETIME c, e, k, u;
3550 proc = GetCurrentProcess();
3551 GetProcessTimes(proc, &c, &e, &k, &u);
3552 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3554 return av_gettime();
3558 static int64_t getmaxrss(void)
3560 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3561 struct rusage rusage;
3562 getrusage(RUSAGE_SELF, &rusage);
3563 return (int64_t)rusage.ru_maxrss * 1024;
3564 #elif HAVE_GETPROCESSMEMORYINFO
3566 PROCESS_MEMORY_COUNTERS memcounters;
3567 proc = GetCurrentProcess();
3568 memcounters.cb = sizeof(memcounters);
3569 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3570 return memcounters.PeakPagefileUsage;
3576 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3579 const char *p = str;
3586 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3593 static void opt_inter_matrix(const char *arg)
3595 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3596 parse_matrix_coeffs(inter_matrix, arg);
3599 static void opt_intra_matrix(const char *arg)
3601 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3602 parse_matrix_coeffs(intra_matrix, arg);
3606 * Trivial log callback.
3607 * Only suitable for show_help and similar since it lacks prefix handling.
3609 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3611 vfprintf(stdout, fmt, vl);
3614 static void show_usage(void)
3616 printf("Hyper fast Audio and Video encoder\n");
3617 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3621 static void show_help(void)
3623 av_log_set_callback(log_callback_help);
3625 show_help_options(options, "Main options:\n",
3626 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3627 show_help_options(options, "\nAdvanced options:\n",
3628 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3630 show_help_options(options, "\nVideo options:\n",
3631 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3633 show_help_options(options, "\nAdvanced Video options:\n",
3634 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3635 OPT_VIDEO | OPT_EXPERT);
3636 show_help_options(options, "\nAudio options:\n",
3637 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3639 show_help_options(options, "\nAdvanced Audio options:\n",
3640 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3641 OPT_AUDIO | OPT_EXPERT);
3642 show_help_options(options, "\nSubtitle options:\n",
3643 OPT_SUBTITLE | OPT_GRAB,
3645 show_help_options(options, "\nAudio/Video grab options:\n",
3649 av_opt_show(avcodec_opts[0], NULL);
3651 av_opt_show(avformat_opts, NULL);
3653 av_opt_show(sws_opts, NULL);
3656 static void opt_target(const char *arg)
3658 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3659 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3661 if(!strncmp(arg, "pal-", 4)) {
3664 } else if(!strncmp(arg, "ntsc-", 5)) {
3667 } else if(!strncmp(arg, "film-", 5)) {
3672 /* Calculate FR via float to avoid int overflow */
3673 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3676 } else if((fr == 29970) || (fr == 23976)) {
3679 /* Try to determine PAL/NTSC by peeking in the input files */
3680 if(nb_input_files) {
3682 for(j = 0; j < nb_input_files; j++) {
3683 for(i = 0; i < input_files[j]->nb_streams; i++) {
3684 AVCodecContext *c = input_files[j]->streams[i]->codec;
3685 if(c->codec_type != CODEC_TYPE_VIDEO)