3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavutil/fifo.h"
40 #include "libavutil/avstring.h"
41 #include "libavformat/os_support.h"
42 #include "recorder_config.h"
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif HAVE_GETPROCESSTIMES
52 #include <sys/select.h>
57 #include <sys/ioctl.h>
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
66 #ifdef CONFIG_FFMPEG_WITH_FRSH
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[];
100 static AVFormatContext *input_files[MAX_FILES];
101 static int64_t input_files_ts_offset[MAX_FILES];
102 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
103 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
104 static int nb_input_files = 0;
105 static int nb_icodecs;
107 static AVFormatContext *output_files[MAX_FILES];
108 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
109 static int nb_output_files = 0;
110 static int nb_ocodecs;
112 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
113 static int nb_stream_maps;
115 static AVMetaDataMap meta_data_maps[MAX_FILES];
116 static int nb_meta_data_maps;
118 static AVInputFormat *file_iformat;
119 static AVOutputFormat *file_oformat;
120 static int frame_width = 0;
121 static int frame_height = 0;
122 static float frame_aspect_ratio = 0;
123 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
124 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
125 static int frame_padtop = 0;
126 static int frame_padbottom = 0;
127 static int frame_padleft = 0;
128 static int frame_padright = 0;
129 static int padcolor[3] = {16,128,128}; /* default to black */
130 static int frame_topBand = 0;
131 static int frame_bottomBand = 0;
132 static int frame_leftBand = 0;
133 static int frame_rightBand = 0;
134 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
135 static AVRational frame_rate;
136 static float video_qscale = 0;
137 static uint16_t *intra_matrix = NULL;
138 static uint16_t *inter_matrix = NULL;
139 #if 0 //experimental, (can be removed)
140 static float video_rc_qsquish=1.0;
141 static float video_rc_qmod_amp=0;
142 static int video_rc_qmod_freq=0;
144 static const char *video_rc_override_string=NULL;
145 static int video_disable = 0;
146 static int video_discard = 0;
147 static char *video_codec_name = NULL;
148 static int video_codec_tag = 0;
149 static int same_quality = 0;
150 static int do_deinterlace = 0;
151 static int top_field_first = -1;
152 static int me_threshold = 0;
153 static int intra_dc_precision = 8;
154 static int loop_input = 0;
155 static int loop_output = AVFMT_NOOUTPUTLOOP;
156 static int qp_hist = 0;
158 static int intra_only = 0;
159 static int audio_sample_rate = 44100;
160 static int64_t channel_layout = 0;
161 #define QSCALE_NONE -99999
162 static float audio_qscale = QSCALE_NONE;
163 static int audio_disable = 0;
164 static int audio_channels = 1;
165 static char *audio_codec_name = NULL;
166 static int audio_codec_tag = 0;
167 static char *audio_language = NULL;
169 static int subtitle_disable = 0;
170 static char *subtitle_codec_name = NULL;
171 static char *subtitle_language = NULL;
172 static int subtitle_codec_tag = 0;
174 static float mux_preload= 0.5;
175 static float mux_max_delay= 0.7;
177 static int64_t recording_time = INT64_MAX;
178 static int64_t start_time = 0;
179 static int64_t rec_timestamp = 0;
180 static int64_t input_ts_offset = 0;
181 static int file_overwrite = 0;
182 static int metadata_count;
183 static AVMetadataTag *metadata;
184 static int do_benchmark = 0;
185 static int do_hex_dump = 0;
186 static int do_pkt_dump = 0;
187 static int do_psnr = 0;
188 static int do_pass = 0;
189 static char *pass_logfilename_prefix = NULL;
190 static int audio_stream_copy = 0;
191 static int video_stream_copy = 0;
192 static int subtitle_stream_copy = 0;
193 static int video_sync_method= -1;
194 static int audio_sync_method= 0;
195 static float audio_drift_threshold= 0.1;
196 static int copy_ts= 0;
197 static int opt_shortest = 0;
198 static int video_global_header = 0;
199 static char *vstats_filename;
200 static FILE *vstats_file;
201 static int opt_programid = 0;
202 static int copy_initial_nonkeyframes = 0;
204 static int rate_emu = 0;
206 static int video_channel = 0;
207 static char *video_standard;
209 static int audio_volume = 256;
211 static int exit_on_error = 0;
212 static int using_stdin = 0;
213 static int verbose = 1;
214 static int thread_count= 1;
215 static int q_pressed = 0;
216 static int64_t video_size = 0;
217 static int64_t audio_size = 0;
218 static int64_t extra_size = 0;
219 static int nb_frames_dup = 0;
220 static int nb_frames_drop = 0;
221 static int input_sync;
222 static uint64_t limit_filesize = 0;
223 static int force_fps = 0;
225 static int pgmyuv_compatibility_hack=0;
226 static float dts_delta_threshold = 10;
228 static unsigned int sws_flags = SWS_BICUBIC;
230 static int64_t timer_start;
232 static uint8_t *audio_buf;
233 static uint8_t *audio_out;
234 static uint8_t *audio_out2;
236 static short *samples;
238 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
239 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
240 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
241 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
243 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
245 struct AVInputStream;
247 typedef struct AVOutputStream {
248 int file_index; /* file index */
249 int index; /* stream index in the output file */
250 int source_index; /* AVInputStream index */
251 AVStream *st; /* stream in the output file */
252 int encoding_needed; /* true if encoding needed for this stream */
254 /* input pts and corresponding output pts
256 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
257 struct AVInputStream *sync_ist; /* input stream to sync against */
258 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
261 AVFrame pict_tmp; /* temporary image for resampling */
262 struct SwsContext *img_resample_ctx; /* for image resampling */
266 int topBand; /* cropping area sizes */
270 int padtop; /* padding area sizes */
277 ReSampleContext *resample; /* for audio resampling */
279 AVAudioConvert *reformat_ctx;
280 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
284 typedef struct AVInputStream {
288 int discard; /* true if stream data should be discarded */
289 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
290 int64_t sample_index; /* current sample */
292 int64_t start; /* time when read started */
293 int64_t next_pts; /* synthetic pts for cases where pkt.pts
295 int64_t pts; /* current pts */
296 int is_start; /* is 1 at the start and after a discontinuity */
299 typedef struct AVInputFile {
300 int eof_reached; /* true if eof reached */
301 int ist_index; /* index of first stream in ist_table */
302 int buffer_size; /* current total buffer size */
303 int nb_streams; /* nb streams we are aware of */
308 /* init terminal so that we can grab keys */
309 static struct termios oldtty;
312 static void term_exit(void)
315 tcsetattr (0, TCSANOW, &oldtty);
319 static volatile sig_atomic_t received_sigterm = 0;
322 sigterm_handler(int sig)
324 received_sigterm = sig;
328 static void term_init(void)
336 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
337 |INLCR|IGNCR|ICRNL|IXON);
338 tty.c_oflag |= OPOST;
339 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
340 tty.c_cflag &= ~(CSIZE|PARENB);
345 tcsetattr (0, TCSANOW, &tty);
346 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
349 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
350 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
352 register a function to be called at normal program termination
355 #if CONFIG_BEOS_NETSERVER
356 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
360 /* read a key without blocking */
361 static int read_key(void)
366 #if !CONFIG_BEOS_NETSERVER
374 n = select(1, &rfds, NULL, NULL, &tv);
390 static int decode_interrupt_cb(void)
392 return q_pressed || (q_pressed = read_key() == 'q');
395 static int av_exit(int ret)
400 for(i=0;i<nb_output_files;i++) {
401 /* maybe av_close_output_file ??? */
402 AVFormatContext *s = output_files[i];
404 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
406 for(j=0;j<s->nb_streams;j++) {
407 av_metadata_free(&s->streams[j]->metadata);
408 av_free(s->streams[j]->codec);
409 av_free(s->streams[j]);
411 for(j=0;j<s->nb_programs;j++) {
412 av_metadata_free(&s->programs[j]->metadata);
414 for(j=0;j<s->nb_chapters;j++) {
415 av_metadata_free(&s->chapters[j]->metadata);
417 av_metadata_free(&s->metadata);
420 for(i=0;i<nb_input_files;i++)
421 av_close_input_file(input_files[i]);
423 av_free(intra_matrix);
424 av_free(inter_matrix);
428 av_free(vstats_filename);
432 av_free(video_codec_name);
433 av_free(audio_codec_name);
434 av_free(subtitle_codec_name);
436 av_free(video_standard);
438 #if CONFIG_POWERPC_PERF
439 void powerpc_display_perf_report(void);
440 powerpc_display_perf_report();
441 #endif /* CONFIG_POWERPC_PERF */
443 for (i=0;i<CODEC_TYPE_NB;i++)
444 av_free(avcodec_opts[i]);
445 av_free(avformat_opts);
452 if (received_sigterm) {
454 "Received signal %d: terminating.\n",
455 (int) received_sigterm);
459 exit(ret); /* not all OS-es handle main() return value */
463 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
469 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
472 /* copy stream format */
473 s->nb_streams = ic->nb_streams;
474 for(i=0;i<ic->nb_streams;i++) {
477 // FIXME: a more elegant solution is needed
478 st = av_mallocz(sizeof(AVStream));
479 memcpy(st, ic->streams[i], sizeof(AVStream));
480 st->codec = avcodec_alloc_context();
481 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
484 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
486 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
489 if(!st->codec->thread_count)
490 st->codec->thread_count = 1;
491 if(st->codec->thread_count>1)
492 avcodec_thread_init(st->codec, st->codec->thread_count);
494 if(st->codec->flags & CODEC_FLAG_BITEXACT)
499 s->timestamp = av_gettime();
501 av_close_input_file(ic);
506 get_sync_ipts(const AVOutputStream *ost)
508 const AVInputStream *ist = ost->sync_ist;
509 return (double)(ist->pts - start_time)/AV_TIME_BASE;
512 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
516 AVPacket new_pkt= *pkt;
517 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
518 &new_pkt.data, &new_pkt.size,
519 pkt->data, pkt->size,
520 pkt->flags & PKT_FLAG_KEY);
523 new_pkt.destruct= av_destruct_packet;
525 fprintf(stderr, "%s failed for stream %d, codec %s",
526 bsfc->filter->name, pkt->stream_index,
527 avctx->codec ? avctx->codec->name : "copy");
537 ret= av_interleaved_write_frame(s, pkt);
539 print_error("av_interleaved_write_frame()", ret);
544 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
546 static void do_audio_out(AVFormatContext *s,
549 unsigned char *buf, int size)
552 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
554 int size_out, frame_bytes, ret;
555 AVCodecContext *enc= ost->st->codec;
556 AVCodecContext *dec= ist->st->codec;
557 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
558 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
560 /* SC: dynamic allocation of buffers */
562 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
564 audio_out = av_malloc(audio_out_size);
565 if (!audio_buf || !audio_out)
566 return; /* Should signal an error ! */
568 if (enc->channels != dec->channels)
569 ost->audio_resample = 1;
571 if (ost->audio_resample && !ost->resample) {
572 if (dec->sample_fmt != SAMPLE_FMT_S16)
573 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
574 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
575 enc->sample_rate, dec->sample_rate,
576 enc->sample_fmt, dec->sample_fmt,
578 if (!ost->resample) {
579 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
580 dec->channels, dec->sample_rate,
581 enc->channels, enc->sample_rate);
586 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
587 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
588 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
590 audio_out2 = av_malloc(audio_out_size);
593 if (ost->reformat_ctx)
594 av_audio_convert_free(ost->reformat_ctx);
595 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
596 dec->sample_fmt, 1, NULL, 0);
597 if (!ost->reformat_ctx) {
598 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
599 avcodec_get_sample_fmt_name(dec->sample_fmt),
600 avcodec_get_sample_fmt_name(enc->sample_fmt));
603 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
606 if(audio_sync_method){
607 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
608 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
609 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
610 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
612 //FIXME resample delay
613 if(fabs(delta) > 50){
614 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
616 byte_delta= FFMAX(byte_delta, -size);
620 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
625 static uint8_t *input_tmp= NULL;
626 input_tmp= av_realloc(input_tmp, byte_delta + size);
628 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
631 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
633 memset(input_tmp, 0, byte_delta);
634 memcpy(input_tmp + byte_delta, buf, size);
638 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
640 }else if(audio_sync_method>1){
641 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
642 assert(ost->audio_resample);
644 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
645 // 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));
646 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
650 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
651 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
653 if (ost->audio_resample) {
655 size_out = audio_resample(ost->resample,
656 (short *)buftmp, (short *)buf,
657 size / (ist->st->codec->channels * isize));
658 size_out = size_out * enc->channels * osize;
664 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
665 const void *ibuf[6]= {buftmp};
666 void *obuf[6]= {audio_out2};
667 int istride[6]= {isize};
668 int ostride[6]= {osize};
669 int len= size_out/istride[0];
670 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
671 printf("av_audio_convert() failed\n");
677 size_out = len*osize;
680 /* now encode as many frames as possible */
681 if (enc->frame_size > 1) {
682 /* output resampled raw samples */
683 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
684 fprintf(stderr, "av_fifo_realloc2() failed\n");
687 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
689 frame_bytes = enc->frame_size * osize * enc->channels;
691 while (av_fifo_size(ost->fifo) >= frame_bytes) {
693 av_init_packet(&pkt);
695 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
697 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
699 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
702 fprintf(stderr, "Audio encoding failed\n");
706 pkt.stream_index= ost->index;
709 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
710 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
711 pkt.flags |= PKT_FLAG_KEY;
712 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
714 ost->sync_opts += enc->frame_size;
718 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
719 av_init_packet(&pkt);
721 ost->sync_opts += size_out / (osize * enc->channels);
723 /* output a pcm frame */
724 /* determine the size of the coded buffer */
727 size_out *= coded_bps;
729 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
730 ret = avcodec_encode_audio(enc, audio_out, size_out,
733 fprintf(stderr, "Audio encoding failed\n");
737 pkt.stream_index= ost->index;
740 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
741 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
742 pkt.flags |= PKT_FLAG_KEY;
743 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
747 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
751 AVPicture picture_tmp;
754 dec = ist->st->codec;
756 /* deinterlace : must be done before any resize */
757 if (do_deinterlace) {
760 /* create temporary picture */
761 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
762 buf = av_malloc(size);
766 picture2 = &picture_tmp;
767 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
770 if(avpicture_deinterlace(picture2, picture,
771 dec->pix_fmt, dec->width, dec->height) < 0) {
772 /* if error, do not deinterlace */
773 fprintf(stderr, "Deinterlacing failed\n");
779 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
785 if (picture != picture2)
786 *picture = *picture2;
790 /* we begin to correct av delay at this threshold */
791 #define AV_DELAY_MAX 0.100
793 static void do_subtitle_out(AVFormatContext *s,
799 static uint8_t *subtitle_out = NULL;
800 int subtitle_out_max_size = 65536;
801 int subtitle_out_size, nb, i;
805 if (pts == AV_NOPTS_VALUE) {
806 fprintf(stderr, "Subtitle packets must have a pts\n");
812 enc = ost->st->codec;
815 subtitle_out = av_malloc(subtitle_out_max_size);
818 /* Note: DVB subtitle need one packet to draw them and one other
819 packet to clear them */
820 /* XXX: signal it in the codec context ? */
821 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
826 for(i = 0; i < nb; i++) {
827 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
828 subtitle_out_max_size, sub);
830 av_init_packet(&pkt);
831 pkt.stream_index = ost->index;
832 pkt.data = subtitle_out;
833 pkt.size = subtitle_out_size;
834 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
835 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
836 /* XXX: the pts correction is handled here. Maybe handling
837 it in the codec would be better */
839 pkt.pts += 90 * sub->start_display_time;
841 pkt.pts += 90 * sub->end_display_time;
843 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
847 static int bit_buffer_size= 1024*256;
848 static uint8_t *bit_buffer= NULL;
850 static void do_video_out(AVFormatContext *s,
856 int nb_frames, i, ret;
857 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
858 AVFrame picture_crop_temp, picture_pad_temp;
859 AVCodecContext *enc, *dec;
861 avcodec_get_frame_defaults(&picture_crop_temp);
862 avcodec_get_frame_defaults(&picture_pad_temp);
864 enc = ost->st->codec;
865 dec = ist->st->codec;
867 /* by default, we output a single frame */
872 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
874 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
875 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
878 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
882 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
883 }else if (vdelta > 1.1)
884 nb_frames = lrintf(vdelta);
885 //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);
889 fprintf(stderr, "*** drop!\n");
890 }else if (nb_frames > 1) {
891 nb_frames_dup += nb_frames;
893 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
896 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
898 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
902 if (ost->video_crop) {
903 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
904 fprintf(stderr, "error cropping picture\n");
909 formatted_picture = &picture_crop_temp;
911 formatted_picture = in_picture;
914 final_picture = formatted_picture;
915 padding_src = formatted_picture;
916 resampling_dst = &ost->pict_tmp;
917 if (ost->video_pad) {
918 final_picture = &ost->pict_tmp;
919 if (ost->video_resample) {
920 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
921 fprintf(stderr, "error padding picture\n");
926 resampling_dst = &picture_pad_temp;
930 if (ost->video_resample) {
932 final_picture = &ost->pict_tmp;
933 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
934 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
937 if (ost->video_pad) {
938 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
939 enc->height, enc->width, enc->pix_fmt,
940 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
943 /* duplicates frame if needed */
944 for(i=0;i<nb_frames;i++) {
946 av_init_packet(&pkt);
947 pkt.stream_index= ost->index;
949 if (s->oformat->flags & AVFMT_RAWPICTURE) {
950 /* raw pictures are written as AVPicture structure to
951 avoid any copies. We support temorarily the older
953 AVFrame* old_frame = enc->coded_frame;
954 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
955 pkt.data= (uint8_t *)final_picture;
956 pkt.size= sizeof(AVPicture);
957 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
958 pkt.flags |= PKT_FLAG_KEY;
960 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
961 enc->coded_frame = old_frame;
965 big_picture= *final_picture;
966 /* better than nothing: use input picture interlaced
968 big_picture.interlaced_frame = in_picture->interlaced_frame;
969 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
970 if(top_field_first == -1)
971 big_picture.top_field_first = in_picture->top_field_first;
973 big_picture.top_field_first = top_field_first;
976 /* handles sameq here. This is not correct because it may
977 not be a global option */
979 big_picture.quality = ist->st->quality;
981 big_picture.quality = ost->st->quality;
983 big_picture.pict_type = 0;
984 // big_picture.pts = AV_NOPTS_VALUE;
985 big_picture.pts= ost->sync_opts;
986 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
987 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
988 ret = avcodec_encode_video(enc,
989 bit_buffer, bit_buffer_size,
992 fprintf(stderr, "Video encoding failed\n");
995 //enc->frame_number = enc->real_pict_num;
997 pkt.data= bit_buffer;
999 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1000 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1001 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1002 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1003 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1005 if(enc->coded_frame->key_frame)
1006 pkt.flags |= PKT_FLAG_KEY;
1007 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1010 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1011 // enc->frame_number-1, enc->real_pict_num, ret,
1013 /* if two pass, output log */
1014 if (ost->logfile && enc->stats_out) {
1015 fprintf(ost->logfile, "%s", enc->stats_out);
1020 ost->frame_number++;
1024 static double psnr(double d){
1025 return -10.0*log(d)/log(10.0);
1028 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1031 AVCodecContext *enc;
1033 double ti1, bitrate, avg_bitrate;
1035 /* this is executed just the first time do_video_stats is called */
1037 vstats_file = fopen(vstats_filename, "w");
1044 enc = ost->st->codec;
1045 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1046 frame_number = ost->frame_number;
1047 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1048 if (enc->flags&CODEC_FLAG_PSNR)
1049 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1051 fprintf(vstats_file,"f_size= %6d ", frame_size);
1052 /* compute pts value */
1053 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1057 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1058 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1059 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1060 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1061 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1065 static void print_report(AVFormatContext **output_files,
1066 AVOutputStream **ost_table, int nb_ostreams,
1070 AVOutputStream *ost;
1071 AVFormatContext *oc;
1073 AVCodecContext *enc;
1074 int frame_number, vid, i;
1075 double bitrate, ti1, pts;
1076 static int64_t last_time = -1;
1077 static int qp_histogram[52];
1079 if (!is_last_report) {
1081 /* display the report every 0.5 seconds */
1082 cur_time = av_gettime();
1083 if (last_time == -1) {
1084 last_time = cur_time;
1087 if ((cur_time - last_time) < 500000)
1089 last_time = cur_time;
1093 oc = output_files[0];
1095 total_size = url_fsize(oc->pb);
1096 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1097 total_size= url_ftell(oc->pb);
1102 for(i=0;i<nb_ostreams;i++) {
1104 enc = ost->st->codec;
1105 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1106 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1107 !ost->st->stream_copy ?
1108 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1110 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1111 float t = (av_gettime()-timer_start) / 1000000.0;
1113 frame_number = ost->frame_number;
1114 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1115 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1116 !ost->st->stream_copy ?
1117 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1119 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1122 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1123 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1126 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1128 if (enc->flags&CODEC_FLAG_PSNR){
1130 double error, error_sum=0;
1131 double scale, scale_sum=0;
1132 char type[3]= {'Y','U','V'};
1133 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1136 error= enc->error[j];
1137 scale= enc->width*enc->height*255.0*255.0*frame_number;
1139 error= enc->coded_frame->error[j];
1140 scale= enc->width*enc->height*255.0*255.0;
1145 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1147 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1151 /* compute min output value */
1152 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1153 if ((pts < ti1) && (pts > 0))
1159 if (verbose || is_last_report) {
1160 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1162 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1163 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1164 (double)total_size / 1024, ti1, bitrate);
1167 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1168 nb_frames_dup, nb_frames_drop);
1171 fprintf(stderr, "%s \r", buf);
1176 if (is_last_report && verbose >= 0){
1177 int64_t raw= audio_size + video_size + extra_size;
1178 fprintf(stderr, "\n");
1179 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1183 100.0*(total_size - raw)/raw
1188 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1189 static int output_packet(AVInputStream *ist, int ist_index,
1190 AVOutputStream **ost_table, int nb_ostreams,
1191 const AVPacket *pkt)
1193 AVFormatContext *os;
1194 AVOutputStream *ost;
1197 int data_size, got_picture;
1199 void *buffer_to_free;
1200 static unsigned int samples_size= 0;
1201 AVSubtitle subtitle, *subtitle_to_free;
1205 if(ist->next_pts == AV_NOPTS_VALUE)
1206 ist->next_pts= ist->pts;
1210 av_init_packet(&avpkt);
1218 if(pkt->dts != AV_NOPTS_VALUE)
1219 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1221 //while we have more to decode or while the decoder did output something on EOF
1222 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1224 ist->pts= ist->next_pts;
1226 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1227 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1229 /* decode the packet if needed */
1230 data_buf = NULL; /* fail safe */
1232 subtitle_to_free = NULL;
1233 if (ist->decoding_needed) {
1234 switch(ist->st->codec->codec_type) {
1235 case CODEC_TYPE_AUDIO:{
1236 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1237 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1239 samples= av_malloc(samples_size);
1241 data_size= samples_size;
1242 /* XXX: could avoid copy if PCM 16 bits with same
1243 endianness as CPU */
1244 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1250 /* Some bug in mpeg audio decoder gives */
1251 /* data_size < 0, it seems they are overflows */
1252 if (data_size <= 0) {
1253 /* no audio frame */
1256 data_buf = (uint8_t *)samples;
1257 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1258 (ist->st->codec->sample_rate * ist->st->codec->channels);
1260 case CODEC_TYPE_VIDEO:
1261 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1262 /* XXX: allocate picture correctly */
1263 avcodec_get_frame_defaults(&picture);
1265 ret = avcodec_decode_video2(ist->st->codec,
1266 &picture, &got_picture, &avpkt);
1267 ist->st->quality= picture.quality;
1271 /* no picture yet */
1272 goto discard_packet;
1274 if (ist->st->codec->time_base.num != 0) {
1275 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1276 ist->next_pts += ((int64_t)AV_TIME_BASE *
1277 ist->st->codec->time_base.num * ticks) /
1278 ist->st->codec->time_base.den;
1282 case CODEC_TYPE_SUBTITLE:
1283 ret = avcodec_decode_subtitle2(ist->st->codec,
1284 &subtitle, &got_subtitle, &avpkt);
1287 if (!got_subtitle) {
1288 goto discard_packet;
1290 subtitle_to_free = &subtitle;
1297 switch(ist->st->codec->codec_type) {
1298 case CODEC_TYPE_AUDIO:
1299 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1300 ist->st->codec->sample_rate;
1302 case CODEC_TYPE_VIDEO:
1303 if (ist->st->codec->time_base.num != 0) {
1304 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1305 ist->next_pts += ((int64_t)AV_TIME_BASE *
1306 ist->st->codec->time_base.num * ticks) /
1307 ist->st->codec->time_base.den;
1311 data_buf = avpkt.data;
1312 data_size = avpkt.size;
1317 buffer_to_free = NULL;
1318 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1319 pre_process_video_frame(ist, (AVPicture *)&picture,
1323 // preprocess audio (volume)
1324 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1325 if (audio_volume != 256) {
1328 for(i=0;i<(data_size / sizeof(short));i++) {
1329 int v = ((*volp) * audio_volume + 128) >> 8;
1330 if (v < -32768) v = -32768;
1331 if (v > 32767) v = 32767;
1337 /* frame rate emulation */
1339 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1340 int64_t now = av_gettime() - ist->start;
1345 /* if output time reached then transcode raw format,
1346 encode packets and output them */
1347 if (start_time == 0 || ist->pts >= start_time)
1348 for(i=0;i<nb_ostreams;i++) {
1352 if (ost->source_index == ist_index) {
1353 os = output_files[ost->file_index];
1356 printf("%d: got pts=%0.3f %0.3f\n", i,
1357 (double)pkt->pts / AV_TIME_BASE,
1358 ((double)ist->pts / AV_TIME_BASE) -
1359 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1361 /* set the input output pts pairs */
1362 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1364 if (ost->encoding_needed) {
1365 switch(ost->st->codec->codec_type) {
1366 case CODEC_TYPE_AUDIO:
1367 do_audio_out(os, ost, ist, data_buf, data_size);
1369 case CODEC_TYPE_VIDEO:
1370 do_video_out(os, ost, ist, &picture, &frame_size);
1371 if (vstats_filename && frame_size)
1372 do_video_stats(os, ost, frame_size);
1374 case CODEC_TYPE_SUBTITLE:
1375 do_subtitle_out(os, ost, ist, &subtitle,
1382 AVFrame avframe; //FIXME/XXX remove this
1384 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1386 av_init_packet(&opkt);
1388 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1391 /* no reencoding needed : output the packet directly */
1392 /* force the input stream PTS */
1394 avcodec_get_frame_defaults(&avframe);
1395 ost->st->codec->coded_frame= &avframe;
1396 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1398 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1399 audio_size += data_size;
1400 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1401 video_size += data_size;
1405 opkt.stream_index= ost->index;
1406 if(pkt->pts != AV_NOPTS_VALUE)
1407 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1409 opkt.pts= AV_NOPTS_VALUE;
1411 if (pkt->dts == AV_NOPTS_VALUE)
1412 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1414 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1415 opkt.dts -= ost_tb_start_time;
1417 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1418 opkt.flags= pkt->flags;
1420 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1421 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1422 opkt.destruct= av_destruct_packet;
1424 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1425 ost->st->codec->frame_number++;
1426 ost->frame_number++;
1427 av_free_packet(&opkt);
1431 av_free(buffer_to_free);
1432 /* XXX: allocate the subtitles in the codec ? */
1433 if (subtitle_to_free) {
1434 if (subtitle_to_free->rects != NULL) {
1435 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1436 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1437 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1438 av_freep(&subtitle_to_free->rects[i]);
1440 av_freep(&subtitle_to_free->rects);
1442 subtitle_to_free->num_rects = 0;
1443 subtitle_to_free = NULL;
1450 for(i=0;i<nb_ostreams;i++) {
1452 if (ost->source_index == ist_index) {
1453 AVCodecContext *enc= ost->st->codec;
1454 os = output_files[ost->file_index];
1456 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1458 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1461 if (ost->encoding_needed) {
1465 av_init_packet(&pkt);
1466 pkt.stream_index= ost->index;
1468 switch(ost->st->codec->codec_type) {
1469 case CODEC_TYPE_AUDIO:
1470 fifo_bytes = av_fifo_size(ost->fifo);
1472 /* encode any samples remaining in fifo */
1473 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1474 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1475 int fs_tmp = enc->frame_size;
1476 enc->frame_size = fifo_bytes / (osize * enc->channels);
1477 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1478 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1479 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1480 ost->st->time_base.num, enc->sample_rate);
1481 enc->frame_size = fs_tmp;
1484 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1487 fprintf(stderr, "Audio encoding failed\n");
1491 pkt.flags |= PKT_FLAG_KEY;
1493 case CODEC_TYPE_VIDEO:
1494 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1496 fprintf(stderr, "Video encoding failed\n");
1500 if(enc->coded_frame && enc->coded_frame->key_frame)
1501 pkt.flags |= PKT_FLAG_KEY;
1502 if (ost->logfile && enc->stats_out) {
1503 fprintf(ost->logfile, "%s", enc->stats_out);
1512 pkt.data= bit_buffer;
1514 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1515 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1516 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1528 static void print_sdp(AVFormatContext **avc, int n)
1532 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1533 printf("SDP:\n%s\n", sdp);
1537 static int stream_index_from_inputs(AVFormatContext **input_files,
1539 AVInputFile *file_table,
1540 AVInputStream **ist_table,
1541 enum CodecType type,
1545 for(z=0; z<nb_input_files; z++) {
1546 AVFormatContext *ic = input_files[z];
1547 for(p=0; p<ic->nb_programs; p++) {
1548 AVProgram *program = ic->programs[p];
1549 if(program->id != programid)
1551 for(q=0; q<program->nb_stream_indexes; q++) {
1552 int sidx = program->stream_index[q];
1553 int ris = file_table[z].ist_index + sidx;
1554 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1564 timespec_subtract (struct timespec *result,
1568 /* Perform the carry for the later subtraction by updating Y. */
1569 if (x->tv_nsec < y->tv_nsec) {
1570 int num_sec = (y->tv_nsec - x->tv_nsec) / 1000000000 + 1;
1571 y->tv_nsec -= 1000000000 * num_sec;
1572 y->tv_sec += num_sec;
1574 if (x->tv_nsec - y->tv_nsec > 1000000000) {
1575 int num_sec = (x->tv_nsec - y->tv_nsec) / 1000000000;
1576 y->tv_nsec += 1000000000 * num_sec;
1577 y->tv_sec -= num_sec;
1580 /* Compute the time remaining to wait.
1581 `tv_nsec' is certainly positive. */
1582 result->tv_sec = x->tv_sec - y->tv_sec;
1583 result->tv_nsec = x->tv_nsec - y->tv_nsec;
1585 /* Return 1 if result is negative. */
1586 return x->tv_sec < y->tv_sec;
1589 frsh_vres_id_t disk_vres;
1590 frsh_contract_t disk_contract;
1596 static struct timespec start = {0,0};
1597 struct timespec end, d;
1598 static int f = 0; /* number of frames */
1600 static double ifi_avg=0, ifi_var=0;
1602 clock_gettime(CLOCK_MONOTONIC, &end);
1603 timespec_subtract(&d, &end, &start);
1605 goto out; /* First run */
1606 ifi = (double)d.tv_sec + 1e-9*d.tv_nsec;
1607 #define SQ(x) ((x)*(x))
1608 ifi_var = ifi_var*(f-1)/f + (double)(f-1)/SQ(f)*SQ(ifi-ifi_avg);
1609 ifi_avg = ifi_avg*(f-1)/f + (double)ifi/f;
1610 printf("%5d: interframe interval = 1/%5.2lf s avg=1/%.2f stddev=1/%3.2f\n",
1611 f, 1/ifi, 1/ifi_avg, 1/sqrt(ifi_var));
1613 if (renegotiate == f)
1614 frsh_contract_renegotiate_sync(&disk_contract, disk_vres);
1620 * The following code is the main loop of the file converter
1622 static int av_encode(AVFormatContext **output_files,
1623 int nb_output_files,
1624 AVFormatContext **input_files,
1626 AVStreamMap *stream_maps, int nb_stream_maps)
1628 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1629 AVFormatContext *is, *os;
1630 AVCodecContext *codec, *icodec;
1631 AVOutputStream *ost, **ost_table = NULL;
1632 AVInputStream *ist, **ist_table = NULL;
1633 AVInputFile *file_table;
1637 uint8_t no_packet[MAX_FILES]={0};
1638 int no_packet_count=0;
1640 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1644 /* input stream init */
1646 for(i=0;i<nb_input_files;i++) {
1647 is = input_files[i];
1648 file_table[i].ist_index = j;
1649 file_table[i].nb_streams = is->nb_streams;
1650 j += is->nb_streams;
1654 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1658 for(i=0;i<nb_istreams;i++) {
1659 ist = av_mallocz(sizeof(AVInputStream));
1665 for(i=0;i<nb_input_files;i++) {
1666 is = input_files[i];
1667 for(k=0;k<is->nb_streams;k++) {
1668 ist = ist_table[j++];
1669 ist->st = is->streams[k];
1670 ist->file_index = i;
1672 ist->discard = 1; /* the stream is discarded by default
1676 ist->start = av_gettime();
1681 /* output stream init */
1683 for(i=0;i<nb_output_files;i++) {
1684 os = output_files[i];
1685 if (!os->nb_streams) {
1686 dump_format(output_files[i], i, output_files[i]->filename, 1);
1687 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1690 nb_ostreams += os->nb_streams;
1692 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1693 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1697 /* Sanity check the mapping args -- do the input files & streams exist? */
1698 for(i=0;i<nb_stream_maps;i++) {
1699 int fi = stream_maps[i].file_index;
1700 int si = stream_maps[i].stream_index;
1702 if (fi < 0 || fi > nb_input_files - 1 ||
1703 si < 0 || si > file_table[fi].nb_streams - 1) {
1704 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1707 fi = stream_maps[i].sync_file_index;
1708 si = stream_maps[i].sync_stream_index;
1709 if (fi < 0 || fi > nb_input_files - 1 ||
1710 si < 0 || si > file_table[fi].nb_streams - 1) {
1711 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1716 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1719 for(i=0;i<nb_ostreams;i++) {
1720 ost = av_mallocz(sizeof(AVOutputStream));
1727 for(k=0;k<nb_output_files;k++) {
1728 os = output_files[k];
1729 for(i=0;i<os->nb_streams;i++,n++) {
1732 ost->file_index = k;
1734 ost->st = os->streams[i];
1735 if (nb_stream_maps > 0) {
1736 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1737 stream_maps[n].stream_index;
1739 /* Sanity check that the stream types match */
1740 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1741 int i= ost->file_index;
1742 dump_format(output_files[i], i, output_files[i]->filename, 1);
1743 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1744 stream_maps[n].file_index, stream_maps[n].stream_index,
1745 ost->file_index, ost->index);
1752 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1754 ost->source_index = j;
1758 /* get corresponding input stream index : we select the first one with the right type */
1760 for(j=0;j<nb_istreams;j++) {
1763 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1764 ost->source_index = j;
1772 if(! opt_programid) {
1773 /* try again and reuse existing stream */
1774 for(j=0;j<nb_istreams;j++) {
1776 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1777 ost->source_index = j;
1783 int i= ost->file_index;
1784 dump_format(output_files[i], i, output_files[i]->filename, 1);
1785 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1786 ost->file_index, ost->index);
1791 ist = ist_table[ost->source_index];
1793 ost->sync_ist = (nb_stream_maps > 0) ?
1794 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1795 stream_maps[n].sync_stream_index] : ist;
1799 /* for each output stream, we compute the right encoding parameters */
1800 for(i=0;i<nb_ostreams;i++) {
1801 AVMetadataTag *lang;
1803 os = output_files[ost->file_index];
1804 ist = ist_table[ost->source_index];
1806 codec = ost->st->codec;
1807 icodec = ist->st->codec;
1809 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1810 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1811 av_metadata_set(&ost->st->metadata, "language", lang->value);
1813 ost->st->disposition = ist->st->disposition;
1814 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1815 codec->chroma_sample_location = icodec->chroma_sample_location;
1817 if (ost->st->stream_copy) {
1818 /* if stream_copy is selected, no need to decode or encode */
1819 codec->codec_id = icodec->codec_id;
1820 codec->codec_type = icodec->codec_type;
1822 if(!codec->codec_tag){
1823 if( !os->oformat->codec_tag
1824 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1825 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1826 codec->codec_tag = icodec->codec_tag;
1829 codec->bit_rate = icodec->bit_rate;
1830 codec->extradata= icodec->extradata;
1831 codec->extradata_size= icodec->extradata_size;
1832 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){
1833 codec->time_base = icodec->time_base;
1834 codec->time_base.num *= icodec->ticks_per_frame;
1836 codec->time_base = ist->st->time_base;
1837 switch(codec->codec_type) {
1838 case CODEC_TYPE_AUDIO:
1839 if(audio_volume != 256) {
1840 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1843 codec->channel_layout = icodec->channel_layout;
1844 codec->sample_rate = icodec->sample_rate;
1845 codec->channels = icodec->channels;
1846 codec->frame_size = icodec->frame_size;
1847 codec->block_align= icodec->block_align;
1848 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1849 codec->block_align= 0;
1850 if(codec->codec_id == CODEC_ID_AC3)
1851 codec->block_align= 0;
1853 case CODEC_TYPE_VIDEO:
1854 codec->pix_fmt = icodec->pix_fmt;
1855 codec->width = icodec->width;
1856 codec->height = icodec->height;
1857 codec->has_b_frames = icodec->has_b_frames;
1859 case CODEC_TYPE_SUBTITLE:
1860 codec->width = icodec->width;
1861 codec->height = icodec->height;
1867 switch(codec->codec_type) {
1868 case CODEC_TYPE_AUDIO:
1869 ost->fifo= av_fifo_alloc(1024);
1872 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1873 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1874 icodec->request_channels = codec->channels;
1875 ist->decoding_needed = 1;
1876 ost->encoding_needed = 1;
1878 case CODEC_TYPE_VIDEO:
1879 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1880 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1881 ost->video_resample = ((codec->width != icodec->width -
1882 (frame_leftBand + frame_rightBand) +
1883 (frame_padleft + frame_padright)) ||
1884 (codec->height != icodec->height -
1885 (frame_topBand + frame_bottomBand) +
1886 (frame_padtop + frame_padbottom)) ||
1887 (codec->pix_fmt != icodec->pix_fmt));
1888 if (ost->video_crop) {
1889 ost->topBand = frame_topBand;
1890 ost->leftBand = frame_leftBand;
1892 if (ost->video_pad) {
1893 ost->padtop = frame_padtop;
1894 ost->padleft = frame_padleft;
1895 ost->padbottom = frame_padbottom;
1896 ost->padright = frame_padright;
1897 if (!ost->video_resample) {
1898 avcodec_get_frame_defaults(&ost->pict_tmp);
1899 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1900 codec->width, codec->height))
1904 if (ost->video_resample) {
1905 avcodec_get_frame_defaults(&ost->pict_tmp);
1906 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1907 codec->width, codec->height)) {
1908 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1911 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1912 ost->img_resample_ctx = sws_getContext(
1913 icodec->width - (frame_leftBand + frame_rightBand),
1914 icodec->height - (frame_topBand + frame_bottomBand),
1916 codec->width - (frame_padleft + frame_padright),
1917 codec->height - (frame_padtop + frame_padbottom),
1919 sws_flags, NULL, NULL, NULL);
1920 if (ost->img_resample_ctx == NULL) {
1921 fprintf(stderr, "Cannot get resampling context\n");
1924 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1925 codec->bits_per_raw_sample= 0;
1927 ost->encoding_needed = 1;
1928 ist->decoding_needed = 1;
1930 case CODEC_TYPE_SUBTITLE:
1931 ost->encoding_needed = 1;
1932 ist->decoding_needed = 1;
1939 if (ost->encoding_needed &&
1940 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1941 char logfilename[1024];
1946 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1947 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1949 if (codec->flags & CODEC_FLAG_PASS1) {
1950 f = fopen(logfilename, "w");
1952 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1957 /* read the log file */
1958 f = fopen(logfilename, "r");
1960 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1963 fseek(f, 0, SEEK_END);
1965 fseek(f, 0, SEEK_SET);
1966 logbuffer = av_malloc(size + 1);
1968 fprintf(stderr, "Could not allocate log buffer\n");
1971 size = fread(logbuffer, 1, size, f);
1973 logbuffer[size] = '\0';
1974 codec->stats_in = logbuffer;
1978 if(codec->codec_type == CODEC_TYPE_VIDEO){
1979 int size= codec->width * codec->height;
1980 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1985 bit_buffer = av_malloc(bit_buffer_size);
1987 ret = AVERROR(ENOMEM);
1991 /* open each encoder */
1992 for(i=0;i<nb_ostreams;i++) {
1994 if (ost->encoding_needed) {
1995 AVCodec *codec = output_codecs[i];
1997 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1999 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
2000 ost->file_index, ost->index);
2001 ret = AVERROR(EINVAL);
2004 if (avcodec_open(ost->st->codec, codec) < 0) {
2005 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2006 ost->file_index, ost->index);
2007 ret = AVERROR(EINVAL);
2010 extra_size += ost->st->codec->extradata_size;
2014 /* open each decoder */
2015 for(i=0;i<nb_istreams;i++) {
2017 if (ist->decoding_needed) {
2018 AVCodec *codec = input_codecs[i];
2020 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2022 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
2023 ist->st->codec->codec_id, ist->file_index, ist->index);
2024 ret = AVERROR(EINVAL);
2027 if (avcodec_open(ist->st->codec, codec) < 0) {
2028 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
2029 ist->file_index, ist->index);
2030 ret = AVERROR(EINVAL);
2033 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2034 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2039 for(i=0;i<nb_istreams;i++) {
2042 ist->next_pts = AV_NOPTS_VALUE;
2046 /* set meta data information from input file if required */
2047 for (i=0;i<nb_meta_data_maps;i++) {
2048 AVFormatContext *out_file;
2049 AVFormatContext *in_file;
2050 AVMetadataTag *mtag;
2052 int out_file_index = meta_data_maps[i].out_file;
2053 int in_file_index = meta_data_maps[i].in_file;
2054 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2055 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2056 out_file_index, out_file_index, in_file_index);
2057 ret = AVERROR(EINVAL);
2060 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2061 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2062 in_file_index, out_file_index, in_file_index);
2063 ret = AVERROR(EINVAL);
2067 out_file = output_files[out_file_index];
2068 in_file = input_files[in_file_index];
2072 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2073 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2074 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2075 in_file->iformat->metadata_conv);
2078 /* open files and write file headers */
2079 for(i=0;i<nb_output_files;i++) {
2080 os = output_files[i];
2081 if (av_write_header(os) < 0) {
2082 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2083 ret = AVERROR(EINVAL);
2086 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2092 /* dump the file output parameters - cannot be done before in case
2094 for(i=0;i<nb_output_files;i++) {
2095 dump_format(output_files[i], i, output_files[i]->filename, 1);
2098 /* dump the stream mapping */
2100 fprintf(stderr, "Stream mapping:\n");
2101 for(i=0;i<nb_ostreams;i++) {
2103 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2104 ist_table[ost->source_index]->file_index,
2105 ist_table[ost->source_index]->index,
2108 if (ost->sync_ist != ist_table[ost->source_index])
2109 fprintf(stderr, " [sync #%d.%d]",
2110 ost->sync_ist->file_index,
2111 ost->sync_ist->index);
2112 fprintf(stderr, "\n");
2117 fprintf(stderr, "%s\n", error);
2122 print_sdp(output_files, nb_output_files);
2125 if (!using_stdin && verbose >= 0) {
2126 fprintf(stderr, "Press [q] to stop encoding\n");
2127 url_set_interrupt_cb(decode_interrupt_cb);
2131 timer_start = av_gettime();
2133 for(; received_sigterm == 0;) {
2134 int file_index, ist_index;
2142 /* if 'q' pressed, exits */
2146 /* read_key() returns 0 on EOF */
2152 /* select the stream that we must read now by looking at the
2153 smallest output pts */
2155 for(i=0;i<nb_ostreams;i++) {
2158 os = output_files[ost->file_index];
2159 ist = ist_table[ost->source_index];
2160 if(no_packet[ist->file_index])
2162 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2163 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2165 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2166 ipts = (double)ist->pts;
2167 if (!file_table[ist->file_index].eof_reached){
2168 if(ipts < ipts_min) {
2170 if(input_sync ) file_index = ist->file_index;
2172 if(opts < opts_min) {
2174 if(!input_sync) file_index = ist->file_index;
2177 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2182 /* if none, if is finished */
2183 if (file_index < 0) {
2184 if(no_packet_count){
2186 memset(no_packet, 0, sizeof(no_packet));
2193 /* finish if recording time exhausted */
2194 if (opts_min >= (recording_time / 1000000.0))
2197 /* finish if limit size exhausted */
2198 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2201 /* read a frame from it and output it in the fifo */
2202 is = input_files[file_index];
2203 ret= av_read_frame(is, &pkt);
2204 if(ret == AVERROR(EAGAIN)){
2205 no_packet[file_index]=1;
2210 file_table[file_index].eof_reached = 1;
2218 memset(no_packet, 0, sizeof(no_packet));
2221 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2223 /* the following test is needed in case new streams appear
2224 dynamically in stream : we ignore them */
2225 if (pkt.stream_index >= file_table[file_index].nb_streams)
2226 goto discard_packet;
2227 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2228 ist = ist_table[ist_index];
2230 goto discard_packet;
2232 if (pkt.dts != AV_NOPTS_VALUE)
2233 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2234 if (pkt.pts != AV_NOPTS_VALUE)
2235 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2237 if(input_files_ts_scale[file_index][pkt.stream_index]){
2238 if(pkt.pts != AV_NOPTS_VALUE)
2239 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2240 if(pkt.dts != AV_NOPTS_VALUE)
2241 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2244 //av_log(NULL, AV_LOG_ERROR, "timestamp=%"PRId64" %"PRId64"\n", pkt.pts, pkt.dts);
2247 // 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);
2248 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2249 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2250 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2251 int64_t delta= pkt_dts - ist->next_pts;
2252 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2253 input_files_ts_offset[ist->file_index]-= delta;
2255 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2256 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2257 if(pkt.pts != AV_NOPTS_VALUE)
2258 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2262 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2263 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2266 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2267 ist->file_index, ist->index);
2270 av_free_packet(&pkt);
2277 av_free_packet(&pkt);
2279 /* dump report by using the output first video and audio streams */
2280 //print_report(output_files, ost_table, nb_ostreams, 0);
2283 /* at the end of stream, we must flush the decoder buffers */
2284 for(i=0;i<nb_istreams;i++) {
2286 if (ist->decoding_needed) {
2287 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2293 /* write the trailer if needed and close file */
2294 for(i=0;i<nb_output_files;i++) {
2295 os = output_files[i];
2296 av_write_trailer(os);
2299 /* dump report by using the first video and audio streams */
2300 print_report(output_files, ost_table, nb_ostreams, 1);
2302 /* close each encoder */
2303 for(i=0;i<nb_ostreams;i++) {
2305 if (ost->encoding_needed) {
2306 av_freep(&ost->st->codec->stats_in);
2307 avcodec_close(ost->st->codec);
2311 /* close each decoder */
2312 for(i=0;i<nb_istreams;i++) {
2314 if (ist->decoding_needed) {
2315 avcodec_close(ist->st->codec);
2323 av_freep(&bit_buffer);
2324 av_free(file_table);
2327 for(i=0;i<nb_istreams;i++) {
2334 for(i=0;i<nb_ostreams;i++) {
2338 fclose(ost->logfile);
2339 ost->logfile = NULL;
2341 av_fifo_free(ost->fifo); /* works even if fifo is not
2342 initialized but set to zero */
2343 av_free(ost->pict_tmp.data[0]);
2344 if (ost->video_resample)
2345 sws_freeContext(ost->img_resample_ctx);
2347 audio_resample_close(ost->resample);
2348 if (ost->reformat_ctx)
2349 av_audio_convert_free(ost->reformat_ctx);
2359 int file_read(const char *filename)
2362 unsigned char buffer[1024];
2365 if (url_open(&h, filename, O_RDONLY) < 0) {
2366 printf("could not open '%s'\n", filename);
2370 len = url_read(h, buffer, sizeof(buffer));
2373 for(i=0;i<len;i++) putchar(buffer[i]);
2380 static void opt_format(const char *arg)
2382 /* compatibility stuff for pgmyuv */
2383 if (!strcmp(arg, "pgmyuv")) {
2384 pgmyuv_compatibility_hack=1;
2385 // opt_image_format(arg);
2387 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2390 file_iformat = av_find_input_format(arg);
2391 file_oformat = guess_format(arg, NULL, NULL);
2392 if (!file_iformat && !file_oformat) {
2393 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2398 static void opt_video_rc_override_string(const char *arg)
2400 video_rc_override_string = arg;
2403 static int opt_me_threshold(const char *opt, const char *arg)
2405 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2409 static int opt_loglevel(const char *opt, const char *arg)
2411 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2412 av_log_set_level(level);
2416 static int opt_verbose(const char *opt, const char *arg)
2418 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2422 static int opt_frame_rate(const char *opt, const char *arg)
2424 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2425 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2431 static int opt_bitrate(const char *opt, const char *arg)
2433 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2435 opt_default(opt, arg);
2437 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2438 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2443 static void opt_frame_crop_top(const char *arg)
2445 frame_topBand = atoi(arg);
2446 if (frame_topBand < 0) {
2447 fprintf(stderr, "Incorrect top crop size\n");
2450 if ((frame_topBand % 2) != 0) {
2451 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2454 if ((frame_topBand) >= frame_height){
2455 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2458 frame_height -= frame_topBand;
2461 static void opt_frame_crop_bottom(const char *arg)
2463 frame_bottomBand = atoi(arg);
2464 if (frame_bottomBand < 0) {
2465 fprintf(stderr, "Incorrect bottom crop size\n");
2468 if ((frame_bottomBand % 2) != 0) {
2469 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2472 if ((frame_bottomBand) >= frame_height){
2473 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2476 frame_height -= frame_bottomBand;
2479 static void opt_frame_crop_left(const char *arg)
2481 frame_leftBand = atoi(arg);
2482 if (frame_leftBand < 0) {
2483 fprintf(stderr, "Incorrect left crop size\n");
2486 if ((frame_leftBand % 2) != 0) {
2487 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2490 if ((frame_leftBand) >= frame_width){
2491 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2494 frame_width -= frame_leftBand;
2497 static void opt_frame_crop_right(const char *arg)
2499 frame_rightBand = atoi(arg);
2500 if (frame_rightBand < 0) {
2501 fprintf(stderr, "Incorrect right crop size\n");
2504 if ((frame_rightBand % 2) != 0) {
2505 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2508 if ((frame_rightBand) >= frame_width){
2509 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2512 frame_width -= frame_rightBand;
2515 static void opt_frame_size(const char *arg)
2517 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2518 fprintf(stderr, "Incorrect frame size\n");
2521 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2522 fprintf(stderr, "Frame size must be a multiple of 2\n");
2528 #define SCALEBITS 10
2529 #define ONE_HALF (1 << (SCALEBITS - 1))
2530 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2532 #define RGB_TO_Y(r, g, b) \
2533 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2534 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2536 #define RGB_TO_U(r1, g1, b1, shift)\
2537 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2538 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2540 #define RGB_TO_V(r1, g1, b1, shift)\
2541 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2542 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2544 static void opt_pad_color(const char *arg) {
2545 /* Input is expected to be six hex digits similar to
2546 how colors are expressed in html tags (but without the #) */
2547 int rgb = strtol(arg, NULL, 16);
2551 g = ((rgb >> 8) & 255);
2554 padcolor[0] = RGB_TO_Y(r,g,b);
2555 padcolor[1] = RGB_TO_U(r,g,b,0);
2556 padcolor[2] = RGB_TO_V(r,g,b,0);
2559 static void opt_frame_pad_top(const char *arg)
2561 frame_padtop = atoi(arg);
2562 if (frame_padtop < 0) {
2563 fprintf(stderr, "Incorrect top pad size\n");
2566 if ((frame_padtop % 2) != 0) {
2567 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2572 static void opt_frame_pad_bottom(const char *arg)
2574 frame_padbottom = atoi(arg);
2575 if (frame_padbottom < 0) {
2576 fprintf(stderr, "Incorrect bottom pad size\n");
2579 if ((frame_padbottom % 2) != 0) {
2580 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2586 static void opt_frame_pad_left(const char *arg)
2588 frame_padleft = atoi(arg);
2589 if (frame_padleft < 0) {
2590 fprintf(stderr, "Incorrect left pad size\n");
2593 if ((frame_padleft % 2) != 0) {
2594 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2600 static void opt_frame_pad_right(const char *arg)
2602 frame_padright = atoi(arg);
2603 if (frame_padright < 0) {
2604 fprintf(stderr, "Incorrect right pad size\n");
2607 if ((frame_padright % 2) != 0) {
2608 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2613 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2617 for (i=-1; i < nb_fmts; i++) {
2618 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2619 fprintf(stdout, "%s\n", fmt_str);
2623 static void opt_frame_pix_fmt(const char *arg)
2625 if (strcmp(arg, "list")) {
2626 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2627 if (frame_pix_fmt == PIX_FMT_NONE) {
2628 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2632 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2637 static void opt_frame_aspect_ratio(const char *arg)
2644 p = strchr(arg, ':');
2646 x = strtol(arg, &end, 10);
2648 y = strtol(end+1, &end, 10);
2650 ar = (double)x / (double)y;
2652 ar = strtod(arg, NULL);
2655 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2658 frame_aspect_ratio = ar;
2661 static int opt_metadata(const char *opt, const char *arg)
2663 char *mid= strchr(arg, '=');
2666 fprintf(stderr, "Missing =\n");
2672 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2673 metadata[metadata_count-1].key = av_strdup(arg);
2674 metadata[metadata_count-1].value= av_strdup(mid);
2679 static void opt_qscale(const char *arg)
2681 video_qscale = atof(arg);
2682 if (video_qscale <= 0 ||
2683 video_qscale > 255) {
2684 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2689 static void opt_top_field_first(const char *arg)
2691 top_field_first= atoi(arg);
2694 static int opt_thread_count(const char *opt, const char *arg)
2696 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2699 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2704 static void opt_audio_sample_fmt(const char *arg)
2706 if (strcmp(arg, "list"))
2707 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2709 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2714 static int opt_audio_rate(const char *opt, const char *arg)
2716 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2720 static int opt_audio_channels(const char *opt, const char *arg)
2722 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2726 static void opt_video_channel(const char *arg)
2728 video_channel = strtol(arg, NULL, 0);
2731 static void opt_video_standard(const char *arg)
2733 video_standard = av_strdup(arg);
2736 static void opt_codec(int *pstream_copy, char **pcodec_name,
2737 int codec_type, const char *arg)
2739 av_freep(pcodec_name);
2740 if (!strcmp(arg, "copy")) {
2743 *pcodec_name = av_strdup(arg);
2747 static void opt_audio_codec(const char *arg)
2749 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2752 static void opt_audio_tag(const char *arg)
2755 audio_codec_tag= strtol(arg, &tail, 0);
2758 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2761 static void opt_video_tag(const char *arg)
2764 video_codec_tag= strtol(arg, &tail, 0);
2767 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2770 static void opt_video_codec(const char *arg)
2772 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2775 static void opt_subtitle_codec(const char *arg)
2777 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2780 static void opt_subtitle_tag(const char *arg)
2783 subtitle_codec_tag= strtol(arg, &tail, 0);
2786 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2789 static void opt_map(const char *arg)
2794 m = &stream_maps[nb_stream_maps++];
2796 m->file_index = strtol(arg, &p, 0);
2800 m->stream_index = strtol(p, &p, 0);
2803 m->sync_file_index = strtol(p, &p, 0);
2806 m->sync_stream_index = strtol(p, &p, 0);
2808 m->sync_file_index = m->file_index;
2809 m->sync_stream_index = m->stream_index;
2813 static void opt_map_meta_data(const char *arg)
2818 m = &meta_data_maps[nb_meta_data_maps++];
2820 m->out_file = strtol(arg, &p, 0);
2824 m->in_file = strtol(p, &p, 0);
2827 static void opt_input_ts_scale(const char *arg)
2829 unsigned int stream;
2833 stream = strtol(arg, &p, 0);
2836 scale= strtod(p, &p);
2838 if(stream >= MAX_STREAMS)
2841 input_files_ts_scale[nb_input_files][stream]= scale;
2844 static int opt_recording_time(const char *opt, const char *arg)
2846 recording_time = parse_time_or_die(opt, arg, 1);
2850 static int opt_start_time(const char *opt, const char *arg)
2852 start_time = parse_time_or_die(opt, arg, 1);
2856 static int opt_rec_timestamp(const char *opt, const char *arg)
2858 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2862 static int opt_input_ts_offset(const char *opt, const char *arg)
2864 input_ts_offset = parse_time_or_die(opt, arg, 1);
2868 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2870 const char *codec_string = encoder ? "encoder" : "decoder";
2874 return CODEC_ID_NONE;
2876 avcodec_find_encoder_by_name(name) :
2877 avcodec_find_decoder_by_name(name);
2879 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2882 if(codec->type != type) {
2883 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2889 static void opt_input_file(const char *filename)
2891 AVFormatContext *ic;
2892 AVFormatParameters params, *ap = ¶ms;
2893 int err, i, ret, rfps, rfps_base;
2896 if (!strcmp(filename, "-"))
2899 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2900 !strcmp(filename, "/dev/stdin");
2902 /* get default parameters from command line */
2903 ic = avformat_alloc_context();
2905 memset(ap, 0, sizeof(*ap));
2906 ap->prealloced_context = 1;
2907 ap->sample_rate = audio_sample_rate;
2908 ap->channels = audio_channels;
2909 ap->time_base.den = frame_rate.num;
2910 ap->time_base.num = frame_rate.den;
2911 ap->width = frame_width + frame_padleft + frame_padright;
2912 ap->height = frame_height + frame_padtop + frame_padbottom;
2913 ap->pix_fmt = frame_pix_fmt;
2914 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2915 ap->channel = video_channel;
2916 ap->standard = video_standard;
2917 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2918 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2919 if(pgmyuv_compatibility_hack)
2920 ap->video_codec_id= CODEC_ID_PGMYUV;
2922 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2924 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2925 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2926 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2927 ic->flags |= AVFMT_FLAG_NONBLOCK;
2929 /* open the input file with generic libav function */
2930 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2932 print_error(filename, err);
2937 for(i=0; i<ic->nb_programs; i++)
2938 if(ic->programs[i]->id != opt_programid)
2939 ic->programs[i]->discard = AVDISCARD_ALL;
2942 ic->loop_input = loop_input;
2944 /* If not enough info to get the stream parameters, we decode the
2945 first frames to get it. (used in mpeg case for example) */
2946 ret = av_find_stream_info(ic);
2947 if (ret < 0 && verbose >= 0) {
2948 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2952 timestamp = start_time;
2953 /* add the stream start time */
2954 if (ic->start_time != AV_NOPTS_VALUE)
2955 timestamp += ic->start_time;
2957 /* if seeking requested, we execute it */
2958 if (start_time != 0) {
2959 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2961 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2962 filename, (double)timestamp / AV_TIME_BASE);
2964 /* reset seek info */
2968 /* update the current parameters so that they match the one of the input stream */
2969 for(i=0;i<ic->nb_streams;i++) {
2970 AVCodecContext *enc = ic->streams[i]->codec;
2972 avcodec_thread_init(enc, thread_count);
2973 enc->thread_count= thread_count;
2974 switch(enc->codec_type) {
2975 case CODEC_TYPE_AUDIO:
2976 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2977 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2978 channel_layout = enc->channel_layout;
2979 audio_channels = enc->channels;
2980 audio_sample_rate = enc->sample_rate;
2981 audio_sample_fmt = enc->sample_fmt;
2982 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2984 ic->streams[i]->discard= AVDISCARD_ALL;
2986 case CODEC_TYPE_VIDEO:
2987 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2988 frame_height = enc->height;
2989 frame_width = enc->width;
2990 if(ic->streams[i]->sample_aspect_ratio.num)
2991 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2993 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2994 frame_aspect_ratio *= (float) enc->width / enc->height;
2995 frame_pix_fmt = enc->pix_fmt;
2996 rfps = ic->streams[i]->r_frame_rate.num;
2997 rfps_base = ic->streams[i]->r_frame_rate.den;
2998 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
3000 enc->debug |= FF_DEBUG_MV;
3002 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
3005 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3006 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3008 (float)rfps / rfps_base, rfps, rfps_base);
3010 /* update the current frame rate to match the stream frame rate */
3011 frame_rate.num = rfps;
3012 frame_rate.den = rfps_base;
3014 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3016 ic->streams[i]->discard= AVDISCARD_ALL;
3017 else if(video_discard)
3018 ic->streams[i]->discard= video_discard;
3020 case CODEC_TYPE_DATA:
3022 case CODEC_TYPE_SUBTITLE:
3023 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3024 if(subtitle_disable)
3025 ic->streams[i]->discard = AVDISCARD_ALL;
3027 case CODEC_TYPE_ATTACHMENT:
3028 case CODEC_TYPE_UNKNOWN:
3036 input_files[nb_input_files] = ic;
3037 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3038 /* dump the file content */
3040 dump_format(ic, nb_input_files, filename, 0);
3043 file_iformat = NULL;
3044 file_oformat = NULL;
3048 av_freep(&video_codec_name);
3049 av_freep(&audio_codec_name);
3050 av_freep(&subtitle_codec_name);
3053 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3054 int *has_subtitle_ptr)
3056 int has_video, has_audio, has_subtitle, i, j;
3057 AVFormatContext *ic;
3062 for(j=0;j<nb_input_files;j++) {
3063 ic = input_files[j];
3064 for(i=0;i<ic->nb_streams;i++) {
3065 AVCodecContext *enc = ic->streams[i]->codec;
3066 switch(enc->codec_type) {
3067 case CODEC_TYPE_AUDIO:
3070 case CODEC_TYPE_VIDEO:
3073 case CODEC_TYPE_SUBTITLE:
3076 case CODEC_TYPE_DATA:
3077 case CODEC_TYPE_ATTACHMENT:
3078 case CODEC_TYPE_UNKNOWN:
3085 *has_video_ptr = has_video;
3086 *has_audio_ptr = has_audio;
3087 *has_subtitle_ptr = has_subtitle;
3090 static void new_video_stream(AVFormatContext *oc)
3093 AVCodecContext *video_enc;
3096 st = av_new_stream(oc, oc->nb_streams);
3098 fprintf(stderr, "Could not alloc stream\n");
3101 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3102 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3103 video_bitstream_filters= NULL;
3106 avcodec_thread_init(st->codec, thread_count);
3108 video_enc = st->codec;
3111 video_enc->codec_tag= video_codec_tag;
3113 if( (video_global_header&1)
3114 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3115 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3116 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3118 if(video_global_header&2){
3119 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3120 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3123 if (video_stream_copy) {
3124 st->stream_copy = 1;
3125 video_enc->codec_type = CODEC_TYPE_VIDEO;
3126 video_enc->sample_aspect_ratio =
3127 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3132 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3134 if (video_codec_name) {
3135 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3136 codec = avcodec_find_encoder_by_name(video_codec_name);
3137 output_codecs[nb_ocodecs] = codec;
3139 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3140 codec = avcodec_find_encoder(codec_id);
3143 video_enc->codec_id = codec_id;
3145 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3147 if (codec && codec->supported_framerates && !force_fps)
3148 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3149 video_enc->time_base.den = fps.num;
3150 video_enc->time_base.num = fps.den;
3152 video_enc->width = frame_width + frame_padright + frame_padleft;
3153 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3154 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3155 video_enc->pix_fmt = frame_pix_fmt;
3156 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3158 if(codec && codec->pix_fmts){
3159 const enum PixelFormat *p= codec->pix_fmts;
3161 if(*p == video_enc->pix_fmt)
3165 video_enc->pix_fmt = codec->pix_fmts[0];
3169 video_enc->gop_size = 0;
3170 if (video_qscale || same_quality) {
3171 video_enc->flags |= CODEC_FLAG_QSCALE;
3172 video_enc->global_quality=
3173 st->quality = FF_QP2LAMBDA * video_qscale;
3177 video_enc->intra_matrix = intra_matrix;
3179 video_enc->inter_matrix = inter_matrix;
3181 video_enc->thread_count = thread_count;
3182 p= video_rc_override_string;
3185 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3187 fprintf(stderr, "error parsing rc_override\n");
3190 video_enc->rc_override=
3191 av_realloc(video_enc->rc_override,
3192 sizeof(RcOverride)*(i+1));
3193 video_enc->rc_override[i].start_frame= start;
3194 video_enc->rc_override[i].end_frame = end;
3196 video_enc->rc_override[i].qscale= q;
3197 video_enc->rc_override[i].quality_factor= 1.0;
3200 video_enc->rc_override[i].qscale= 0;
3201 video_enc->rc_override[i].quality_factor= -q/100.0;
3206 video_enc->rc_override_count=i;
3207 if (!video_enc->rc_initial_buffer_occupancy)
3208 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3209 video_enc->me_threshold= me_threshold;
3210 video_enc->intra_dc_precision= intra_dc_precision - 8;
3213 video_enc->flags|= CODEC_FLAG_PSNR;
3218 video_enc->flags |= CODEC_FLAG_PASS1;
3220 video_enc->flags |= CODEC_FLAG_PASS2;
3226 /* reset some key parameters */
3228 av_freep(&video_codec_name);
3229 video_stream_copy = 0;
3232 static void new_audio_stream(AVFormatContext *oc)
3235 AVCodecContext *audio_enc;
3238 st = av_new_stream(oc, oc->nb_streams);
3240 fprintf(stderr, "Could not alloc stream\n");
3243 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3245 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3246 audio_bitstream_filters= NULL;
3249 avcodec_thread_init(st->codec, thread_count);
3251 audio_enc = st->codec;
3252 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3255 audio_enc->codec_tag= audio_codec_tag;
3257 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3258 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3259 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3261 if (audio_stream_copy) {
3262 st->stream_copy = 1;
3263 audio_enc->channels = audio_channels;
3267 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3269 if (audio_codec_name) {
3270 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3271 codec = avcodec_find_encoder_by_name(audio_codec_name);
3272 output_codecs[nb_ocodecs] = codec;
3274 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3275 codec = avcodec_find_encoder(codec_id);
3277 audio_enc->codec_id = codec_id;
3279 if (audio_qscale > QSCALE_NONE) {
3280 audio_enc->flags |= CODEC_FLAG_QSCALE;
3281 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3283 audio_enc->thread_count = thread_count;
3284 audio_enc->channels = audio_channels;
3285 audio_enc->sample_fmt = audio_sample_fmt;
3286 audio_enc->channel_layout = channel_layout;
3287 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3288 audio_enc->channel_layout = 0;
3290 if(codec && codec->sample_fmts){
3291 const enum SampleFormat *p= codec->sample_fmts;
3293 if(*p == audio_enc->sample_fmt)
3297 audio_enc->sample_fmt = codec->sample_fmts[0];
3301 audio_enc->sample_rate = audio_sample_rate;
3302 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3303 if (audio_language) {
3304 av_metadata_set(&st->metadata, "language", audio_language);
3305 av_free(audio_language);
3306 audio_language = NULL;
3309 /* reset some key parameters */
3311 av_freep(&audio_codec_name);
3312 audio_stream_copy = 0;
3315 static void new_subtitle_stream(AVFormatContext *oc)
3318 AVCodecContext *subtitle_enc;
3320 st = av_new_stream(oc, oc->nb_streams);
3322 fprintf(stderr, "Could not alloc stream\n");
3325 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3327 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3328 subtitle_bitstream_filters= NULL;
3330 subtitle_enc = st->codec;
3331 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3333 if(subtitle_codec_tag)
3334 subtitle_enc->codec_tag= subtitle_codec_tag;
3336 if (subtitle_stream_copy) {
3337 st->stream_copy = 1;
3339 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3340 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3341 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3345 if (subtitle_language) {
3346 av_metadata_set(&st->metadata, "language", subtitle_language);
3347 av_free(subtitle_language);
3348 subtitle_language = NULL;
3351 subtitle_disable = 0;
3352 av_freep(&subtitle_codec_name);
3353 subtitle_stream_copy = 0;
3356 static void opt_new_audio_stream(void)
3358 AVFormatContext *oc;
3359 if (nb_output_files <= 0) {
3360 fprintf(stderr, "At least one output file must be specified\n");
3363 oc = output_files[nb_output_files - 1];
3364 new_audio_stream(oc);
3367 static void opt_new_video_stream(void)
3369 AVFormatContext *oc;
3370 if (nb_output_files <= 0) {
3371 fprintf(stderr, "At least one output file must be specified\n");
3374 oc = output_files[nb_output_files - 1];
3375 new_video_stream(oc);
3378 static void opt_new_subtitle_stream(void)
3380 AVFormatContext *oc;
3381 if (nb_output_files <= 0) {
3382 fprintf(stderr, "At least one output file must be specified\n");
3385 oc = output_files[nb_output_files - 1];
3386 new_subtitle_stream(oc);
3389 static void opt_output_file(const char *filename)
3391 AVFormatContext *oc;
3392 int use_video, use_audio, use_subtitle;
3393 int input_has_video, input_has_audio, input_has_subtitle;
3394 AVFormatParameters params, *ap = ¶ms;
3396 if (!strcmp(filename, "-"))
3399 oc = avformat_alloc_context();
3401 if (!file_oformat) {
3402 file_oformat = guess_format(NULL, filename, NULL);
3403 if (!file_oformat) {
3404 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3410 oc->oformat = file_oformat;
3411 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3413 if (!strcmp(file_oformat->name, "ffm") &&
3414 av_strstart(filename, "http:", NULL)) {
3415 /* special case for files sent to ffserver: we get the stream
3416 parameters from ffserver */
3417 int err = read_ffserver_streams(oc, filename);
3419 print_error(filename, err);
3423 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3424 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3425 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3427 /* disable if no corresponding type found and at least one
3429 if (nb_input_files > 0) {
3430 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3431 &input_has_subtitle);
3432 if (!input_has_video)
3434 if (!input_has_audio)
3436 if (!input_has_subtitle)
3440 /* manual disable */
3441 if (audio_disable) {
3444 if (video_disable) {
3447 if (subtitle_disable) {
3452 new_video_stream(oc);
3456 new_audio_stream(oc);
3460 new_subtitle_stream(oc);
3463 oc->timestamp = rec_timestamp;
3465 for(; metadata_count>0; metadata_count--){
3466 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3467 metadata[metadata_count-1].value);
3469 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3472 output_files[nb_output_files++] = oc;
3474 /* check filename in case of an image number is expected */
3475 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3476 if (!av_filename_number_test(oc->filename)) {
3477 print_error(oc->filename, AVERROR_NUMEXPECTED);
3482 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3483 /* test if it already exists to avoid loosing precious files */
3484 if (!file_overwrite &&
3485 (strchr(filename, ':') == NULL ||
3486 filename[1] == ':' ||
3487 av_strstart(filename, "file:", NULL))) {
3488 if (url_exist(filename)) {
3490 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3492 if (!read_yesno()) {
3493 fprintf(stderr, "Not overwriting - exiting\n");
3498 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3505 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3506 fprintf(stderr, "Could not open '%s'\n", filename);
3511 memset(ap, 0, sizeof(*ap));
3512 if (av_set_parameters(oc, ap) < 0) {
3513 fprintf(stderr, "%s: Invalid encoding parameters\n",
3518 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3519 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3520 oc->loop_output = loop_output;
3521 oc->flags |= AVFMT_FLAG_NONBLOCK;
3523 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3525 /* reset some options */
3526 file_oformat = NULL;
3527 file_iformat = NULL;
3530 /* same option as mencoder */
3531 static void opt_pass(const char *pass_str)
3534 pass = atoi(pass_str);
3535 if (pass != 1 && pass != 2) {
3536 fprintf(stderr, "pass number can be only 1 or 2\n");
3542 static int64_t getutime(void)
3545 struct rusage rusage;
3547 getrusage(RUSAGE_SELF, &rusage);
3548 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3549 #elif HAVE_GETPROCESSTIMES
3551 FILETIME c, e, k, u;
3552 proc = GetCurrentProcess();
3553 GetProcessTimes(proc, &c, &e, &k, &u);
3554 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3556 return av_gettime();
3560 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3563 const char *p = str;
3570 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3577 static void opt_inter_matrix(const char *arg)
3579 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3580 parse_matrix_coeffs(inter_matrix, arg);
3583 static void opt_intra_matrix(const char *arg)
3585 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3586 parse_matrix_coeffs(intra_matrix, arg);
3590 * Trivial log callback.
3591 * Only suitable for show_help and similar since it lacks prefix handling.
3593 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3595 vfprintf(stdout, fmt, vl);
3598 static void show_help(void)
3600 av_log_set_callback(log_callback_help);
3601 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3602 "Hyper fast Audio and Video encoder\n");
3604 show_help_options(options, "Main options:\n",
3605 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3606 show_help_options(options, "\nAdvanced options:\n",
3607 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3609 show_help_options(options, "\nVideo options:\n",
3610 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3612 show_help_options(options, "\nAdvanced Video options:\n",
3613 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3614 OPT_VIDEO | OPT_EXPERT);
3615 show_help_options(options, "\nAudio options:\n",
3616 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3618 show_help_options(options, "\nAdvanced Audio options:\n",
3619 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3620 OPT_AUDIO | OPT_EXPERT);
3621 show_help_options(options, "\nSubtitle options:\n",
3622 OPT_SUBTITLE | OPT_GRAB,
3624 show_help_options(options, "\nAudio/Video grab options:\n",
3628 av_opt_show(avcodec_opts[0], NULL);
3630 av_opt_show(avformat_opts, NULL);
3632 av_opt_show(sws_opts, NULL);
3635 static void opt_target(const char *arg)
3638 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3640 if(!strncmp(arg, "pal-", 4)) {
3643 } else if(!strncmp(arg, "ntsc-", 5)) {
3646 } else if(!strncmp(arg, "film-", 5)) {
3651 /* Calculate FR via float to avoid int overflow */
3652 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3655 } else if((fr == 29970) || (fr == 23976)) {
3658 /* Try to determine PAL/NTSC by peeking in the input files */
3659 if(nb_input_files) {
3661 for(j = 0; j < nb_input_files; j++) {
3662 for(i = 0; i < input_files[j]->nb_streams; i++) {
3663 AVCodecContext *c = input_files[j]->streams[i]->codec;
3664 if(c->codec_type != CODEC_TYPE_VIDEO)
3666 fr = c->time_base.den * 1000 / c->time_base.num;
3670 } else if((fr == 29970) || (fr == 23976)) {
3680 if(verbose && norm >= 0)
3681 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3685 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3686 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3687 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3691 if(!strcmp(arg, "vcd")) {
3693 opt_video_codec("mpeg1video");
3694 opt_audio_codec("mp2");
3697 opt_frame_size(norm ? "352x240" : "352x288");
3698 opt_frame_rate(NULL, frame_rates[norm]);
3699 opt_default("gop", norm ? "18" : "15");
3701 opt_default("b", "1150000");
3702 opt_default("maxrate", "1150000");
3703 opt_default("minrate", "1150000");
3704 opt_default("bufsize", "327680"); // 40*1024*8;
3706 opt_default("ab", "224000");
3707 audio_sample_rate = 44100;
3710 opt_default("packetsize", "2324");
3711 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3713 /* We have to offset the PTS, so that it is consistent with the SCR.
3714 SCR starts at 36000, but the first two packs contain only padding
3715 and the first pack from the other stream, respectively, may also have
3716 been written before.
3717 So the real data starts at SCR 36000+3*1200. */
3718 mux_preload= (36000+3*1200) / 90000.0; //0.44
3719 } else if(!strcmp(arg, "svcd")) {
3721 opt_video_codec("mpeg2video");
3722 opt_audio_codec("mp2");
3725 opt_frame_size(norm ? "480x480" : "480x576");
3726 opt_frame_rate(NULL, frame_rates[norm]);
3727 opt_default("gop", norm ? "18" : "15");
3729 opt_default("b", "2040000");
3730 opt_default("maxrate", "2516000");
3731 opt_default("minrate", "0"); //1145000;
3732 opt_default("bufsize", "1835008"); //224*1024*8;
3733 opt_default("flags", "+scan_offset");
3736 opt_default("ab", "224000");
3737 audio_sample_rate = 44100;
3739 opt_default("packetsize", "2324");
3741 } else if(!strcmp(arg, "dvd")) {
3743 opt_video_codec("mpeg2video");
3744 opt_audio_codec("ac3");
3747 opt_frame_size(norm ? "720x480" : "720x576");
3748 opt_frame_rate(NULL, frame_rates[norm]);
3749 opt_default("gop", norm ? "18" : "15");
3751 opt_default("b", "6000000");
3752 opt_default("maxrate", "9000000");
3753 opt_default("minrate", "0"); //1500000;
3754 opt_default("bufsize", "1835008"); //224*1024*8;
3756 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3757 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3759 opt_default("ab", "448000");
3760 audio_sample_rate = 48000;
3762 } else if(!strncmp(arg, "dv", 2)) {
3766 opt_frame_size(norm ? "720x480" : "720x576");
3767 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3768 (norm ? "yuv411p" : "yuv420p"));
3769 opt_frame_rate(NULL, frame_rates[norm]);
3771 audio_sample_rate = 48000;
3775 fprintf(stderr, "Unknown target: %s\n", arg);
3780 static void opt_vstats_file (const char *arg)
3782 av_free (vstats_filename);
3783 vstats_filename=av_strdup (arg);
3786 static void opt_vstats (void)
3789 time_t today2 = time(NULL);
3790 struct tm *today = localtime(&today2);
3792 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3794 opt_vstats_file(filename);
3797 static int opt_bsf(const char *opt, const char *arg)
3799 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3800 AVBitStreamFilterContext **bsfp;
3803 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3807 bsfp= *opt == 'v' ? &video_bitstream_filters :
3808 *opt == 'a' ? &audio_bitstream_filters :
3809 &subtitle_bitstream_filters;
3811 bsfp= &(*bsfp)->next;
3818 static int opt_preset(const char *opt, const char *arg)
3821 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3823 const char *base[2]= { getenv("HOME"),
3826 for(i=!base[0]; i<2 && !f; i++){
3827 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3828 f= fopen(filename, "r");
3830 char *codec_name= *opt == 'v' ? video_codec_name :
3831 *opt == 'a' ? audio_codec_name :
3832 subtitle_codec_name;
3833 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3834 f= fopen(filename, "r");
3837 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3839 av_strlcpy(filename, arg, sizeof(filename));
3840 f= fopen(filename, "r");
3844 fprintf(stderr, "File for preset '%s' not found\n", arg);
3849 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3850 if(line[0] == '#' && !e)
3852 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3854 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3857 if(!strcmp(tmp, "acodec")){
3858 opt_audio_codec(tmp2);
3859 }else if(!strcmp(tmp, "vcodec")){
3860 opt_video_codec(tmp2);
3861 }else if(!strcmp(tmp, "scodec")){
3862 opt_subtitle_codec(tmp2);
3863 }else if(opt_default(tmp, tmp2) < 0){
3864 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3874 static const OptionDef options[] = {
3876 { "renegotiate", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&renegotiate}, "renegotiate after several video frames", "number" },
3877 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3878 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3879 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3880 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3881 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3882 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3883 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3884 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3885 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3886 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3887 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3888 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3889 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3890 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3891 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3892 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3893 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3894 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3895 "add timings for benchmarking" },
3896 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3897 "dump each input packet" },
3898 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3899 "when dumping packets, also dump the payload" },
3900 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3901 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3902 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
3903 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3904 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3905 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3906 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3907 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3908 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3909 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3910 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3911 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3912 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3913 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3914 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3915 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3916 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3919 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3920 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3921 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3922 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3923 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3924 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3925 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
3926 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3927 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3928 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3929 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3930 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3931 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3932 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3933 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3934 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3935 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3936 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3937 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3938 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3939 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3940 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3941 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3942 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3943 "use same video quality as source (implies VBR)" },
3944 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3945 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3946 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3947 "deinterlace pictures" },
3948 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3949 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3950 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3951 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3952 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3953 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3954 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3955 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3956 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3957 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3958 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3961 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3962 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3963 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3964 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3965 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3966 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3967 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3968 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3969 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3970 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3971 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3972 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
3974 /* subtitle options */
3975 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3976 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3977 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3978 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3979 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3982 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3983 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3984 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3987 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3988 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3990 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3991 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3992 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3994 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3995 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3996 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3998 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4002 #ifdef CONFIG_FFMPEG_WITH_FRSH
4004 void *av_encode_thread(void *arg)
4007 frsh_thread_id_t thread_id;
4009 /* bind this thread to vres */
4010 thread_id = fosa_thread_self();
4011 /* PXW(frsh_thread_bind(disk_vres, thread_id)); */
4013 ret = av_encode(output_files, nb_output_files,
4014 input_files, nb_input_files,
4015 stream_maps, nb_stream_maps);
4016 return (void*)(intptr_t)ret;
4021 frsh_thread_attr_t frsh_attr;
4022 frsh_thread_id_t thread;
4023 frsh_vres_id_t cpu_vres;
4024 frsh_contract_t cpu_contract;
4025 frsh_rel_time_t cpu_budget, cpu_period;
4027 frsh_rel_time_t disk_budget, disk_period;
4033 cpu_budget = fosa_msec_to_rel_time(5);
4034 cpu_period = fosa_msec_to_rel_time(1000/50);
4036 /* #define DISK_THROUGHPUT 20277LLU /\* units??? probably MB/s *\/ */
4037 /* disk_budget = fosa_nsec_to_rel_time(1000000000LLU/\*nsec/s*\/ * 500000 /\*bytes/s*\/ */
4038 /* / (DISK_THROUGHPUT*1000000) /\* bytes *\/); // is this correct? */
4039 disk_budget = fosa_msec_to_rel_time(1);
4040 disk_period = fosa_msec_to_rel_time(1000/50);
4042 /* Contract negotiation for CPU */
4043 ret = frsh_contract_init(&cpu_contract);
4044 if (ret) PERROR_AND_EXIT(ret, "CPU:frsh_contract_init");
4046 ret = frsh_contract_set_basic_params(&cpu_contract,
4051 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
4052 ret = frsh_contract_set_resource_and_label(&cpu_contract,
4053 FRSH_RT_PROCESSOR, FRSH_CPU_ID_DEFAULT, "recorder");
4054 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
4056 ret = frsh_contract_negotiate(&cpu_contract, &cpu_vres);
4057 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate cpu");
4058 printf("Aqcpu vres negotiated\n");
4060 /* Contract negotiation for Disk */
4061 ret = frsh_contract_init(&disk_contract);
4062 if (ret) PERROR_AND_EXIT(ret, "DISK:frsh_contract_init");
4064 ret = frsh_contract_set_basic_params(&disk_contract,
4067 FRSH_WT_INDETERMINATE,
4069 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
4070 ret = frsh_contract_set_resource_and_label(&disk_contract,
4071 FRSH_RT_DISK, 0, output_files[0]->filename);
4072 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
4074 ret = frsh_contract_negotiate(&disk_contract, &disk_vres);
4075 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate disk");
4076 printf("Disk vres negotiated\n");
4078 pthread_attr_init(&frsh_attr);
4079 ret = frsh_thread_create_and_bind(cpu_vres, &thread, &frsh_attr,
4080 av_encode_thread, (void*) NULL);
4081 if (ret) PERROR_AND_EXIT(ret, "frsh_thread_create_and_bind");
4083 pthread_join(thread.pthread_id, (void**) NULL);
4085 printf("Ending contracts\n");
4087 ret = frsh_contract_cancel(cpu_vres);
4088 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_cancel");
4090 printf("Finishing\n");
4093 #endif /* CONFIG_FFMPEG_WITH_FRSH */
4095 void flush_buffered_frames(AVFormatContext *s)
4098 while ((pktl = s->packet_buffer)) {
4099 av_free_packet(&pktl->pkt);
4100 s->packet_buffer = pktl->next;
4105 int main(int argc, char **argv)
4110 avcodec_register_all();
4111 avdevice_register_all();
4114 if(isatty(STDIN_FILENO))
4115 url_set_interrupt_cb(decode_interrupt_cb);
4117 for(i=0; i<CODEC_TYPE_NB; i++){
4118 avcodec_opts[i]= avcodec_alloc_context2(i);
4120 avformat_opts = avformat_alloc_context();
4121 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4126 parse_options(argc, argv, options, opt_output_file);
4128 if (nb_input_files == 0) {
4129 opt_input_file("sdp.txt");
4132 /* file converter / grab */
4133 if (nb_output_files <= 0) {
4135 opt_output_file("stream.mp4");
4138 for (i=0; i<nb_input_files; i++)
4139 flush_buffered_frames(input_files[i]);
4142 #if CONFIG_FFMPEG_WITH_FRSH
4143 if (frsh_stuff() < 0)
4146 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
4147 stream_maps, nb_stream_maps) < 0)
4150 ti = getutime() - ti;
4152 printf("bench: utime=%0.3fs\n", ti / 1000000.0);