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
25 #include <ffmpeg-config.h>
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 #ifdef CONFIG_FFMPEG_WITH_FRSH
1590 frsh_vres_id_t disk_vres;
1591 frsh_contract_t disk_contract;
1597 static struct timespec start = {0,0};
1598 struct timespec end, d;
1599 static int f = 0; /* number of frames */
1601 static double ifi_avg=0, ifi_var=0;
1603 clock_gettime(CLOCK_MONOTONIC, &end);
1604 timespec_subtract(&d, &end, &start);
1606 goto out; /* First run */
1607 ifi = (double)d.tv_sec + 1e-9*d.tv_nsec;
1608 #define SQ(x) ((x)*(x))
1609 ifi_var = ifi_var*(f-1)/f + (double)(f-1)/SQ(f)*SQ(ifi-ifi_avg);
1610 ifi_avg = ifi_avg*(f-1)/f + (double)ifi/f;
1611 printf("%5d: interframe interval = 1/%5.2lf s avg=1/%.2f stddev=1/%3.2f\n",
1612 f, 1/ifi, 1/ifi_avg, 1/sqrt(ifi_var));
1614 #ifdef CONFIG_FFMPEG_WITH_FRSH
1615 if (renegotiate == f)
1616 frsh_contract_renegotiate_sync(&disk_contract, disk_vres);
1623 * The following code is the main loop of the file converter
1625 static int av_encode(AVFormatContext **output_files,
1626 int nb_output_files,
1627 AVFormatContext **input_files,
1629 AVStreamMap *stream_maps, int nb_stream_maps)
1631 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1632 AVFormatContext *is, *os;
1633 AVCodecContext *codec, *icodec;
1634 AVOutputStream *ost, **ost_table = NULL;
1635 AVInputStream *ist, **ist_table = NULL;
1636 AVInputFile *file_table;
1640 uint8_t no_packet[MAX_FILES]={0};
1641 int no_packet_count=0;
1643 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1647 /* input stream init */
1649 for(i=0;i<nb_input_files;i++) {
1650 is = input_files[i];
1651 file_table[i].ist_index = j;
1652 file_table[i].nb_streams = is->nb_streams;
1653 j += is->nb_streams;
1657 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1661 for(i=0;i<nb_istreams;i++) {
1662 ist = av_mallocz(sizeof(AVInputStream));
1668 for(i=0;i<nb_input_files;i++) {
1669 is = input_files[i];
1670 for(k=0;k<is->nb_streams;k++) {
1671 ist = ist_table[j++];
1672 ist->st = is->streams[k];
1673 ist->file_index = i;
1675 ist->discard = 1; /* the stream is discarded by default
1679 ist->start = av_gettime();
1684 /* output stream init */
1686 for(i=0;i<nb_output_files;i++) {
1687 os = output_files[i];
1688 if (!os->nb_streams) {
1689 dump_format(output_files[i], i, output_files[i]->filename, 1);
1690 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1693 nb_ostreams += os->nb_streams;
1695 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1696 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1700 /* Sanity check the mapping args -- do the input files & streams exist? */
1701 for(i=0;i<nb_stream_maps;i++) {
1702 int fi = stream_maps[i].file_index;
1703 int si = stream_maps[i].stream_index;
1705 if (fi < 0 || fi > nb_input_files - 1 ||
1706 si < 0 || si > file_table[fi].nb_streams - 1) {
1707 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1710 fi = stream_maps[i].sync_file_index;
1711 si = stream_maps[i].sync_stream_index;
1712 if (fi < 0 || fi > nb_input_files - 1 ||
1713 si < 0 || si > file_table[fi].nb_streams - 1) {
1714 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1719 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1722 for(i=0;i<nb_ostreams;i++) {
1723 ost = av_mallocz(sizeof(AVOutputStream));
1730 for(k=0;k<nb_output_files;k++) {
1731 os = output_files[k];
1732 for(i=0;i<os->nb_streams;i++,n++) {
1735 ost->file_index = k;
1737 ost->st = os->streams[i];
1738 if (nb_stream_maps > 0) {
1739 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1740 stream_maps[n].stream_index;
1742 /* Sanity check that the stream types match */
1743 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1744 int i= ost->file_index;
1745 dump_format(output_files[i], i, output_files[i]->filename, 1);
1746 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1747 stream_maps[n].file_index, stream_maps[n].stream_index,
1748 ost->file_index, ost->index);
1755 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1757 ost->source_index = j;
1761 /* get corresponding input stream index : we select the first one with the right type */
1763 for(j=0;j<nb_istreams;j++) {
1766 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1767 ost->source_index = j;
1775 if(! opt_programid) {
1776 /* try again and reuse existing stream */
1777 for(j=0;j<nb_istreams;j++) {
1779 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1780 ost->source_index = j;
1786 int i= ost->file_index;
1787 dump_format(output_files[i], i, output_files[i]->filename, 1);
1788 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1789 ost->file_index, ost->index);
1794 ist = ist_table[ost->source_index];
1796 ost->sync_ist = (nb_stream_maps > 0) ?
1797 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1798 stream_maps[n].sync_stream_index] : ist;
1802 /* for each output stream, we compute the right encoding parameters */
1803 for(i=0;i<nb_ostreams;i++) {
1804 AVMetadataTag *lang;
1806 os = output_files[ost->file_index];
1807 ist = ist_table[ost->source_index];
1809 codec = ost->st->codec;
1810 icodec = ist->st->codec;
1812 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1813 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1814 av_metadata_set(&ost->st->metadata, "language", lang->value);
1816 ost->st->disposition = ist->st->disposition;
1817 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1818 codec->chroma_sample_location = icodec->chroma_sample_location;
1820 if (ost->st->stream_copy) {
1821 /* if stream_copy is selected, no need to decode or encode */
1822 codec->codec_id = icodec->codec_id;
1823 codec->codec_type = icodec->codec_type;
1825 if(!codec->codec_tag){
1826 if( !os->oformat->codec_tag
1827 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1828 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1829 codec->codec_tag = icodec->codec_tag;
1832 codec->bit_rate = icodec->bit_rate;
1833 codec->extradata= icodec->extradata;
1834 codec->extradata_size= icodec->extradata_size;
1835 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){
1836 codec->time_base = icodec->time_base;
1837 codec->time_base.num *= icodec->ticks_per_frame;
1839 codec->time_base = ist->st->time_base;
1840 switch(codec->codec_type) {
1841 case CODEC_TYPE_AUDIO:
1842 if(audio_volume != 256) {
1843 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1846 codec->channel_layout = icodec->channel_layout;
1847 codec->sample_rate = icodec->sample_rate;
1848 codec->channels = icodec->channels;
1849 codec->frame_size = icodec->frame_size;
1850 codec->block_align= icodec->block_align;
1851 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1852 codec->block_align= 0;
1853 if(codec->codec_id == CODEC_ID_AC3)
1854 codec->block_align= 0;
1856 case CODEC_TYPE_VIDEO:
1857 codec->pix_fmt = icodec->pix_fmt;
1858 codec->width = icodec->width;
1859 codec->height = icodec->height;
1860 codec->has_b_frames = icodec->has_b_frames;
1862 case CODEC_TYPE_SUBTITLE:
1863 codec->width = icodec->width;
1864 codec->height = icodec->height;
1870 switch(codec->codec_type) {
1871 case CODEC_TYPE_AUDIO:
1872 ost->fifo= av_fifo_alloc(1024);
1875 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1876 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1877 icodec->request_channels = codec->channels;
1878 ist->decoding_needed = 1;
1879 ost->encoding_needed = 1;
1881 case CODEC_TYPE_VIDEO:
1882 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1883 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1884 ost->video_resample = ((codec->width != icodec->width -
1885 (frame_leftBand + frame_rightBand) +
1886 (frame_padleft + frame_padright)) ||
1887 (codec->height != icodec->height -
1888 (frame_topBand + frame_bottomBand) +
1889 (frame_padtop + frame_padbottom)) ||
1890 (codec->pix_fmt != icodec->pix_fmt));
1891 if (ost->video_crop) {
1892 ost->topBand = frame_topBand;
1893 ost->leftBand = frame_leftBand;
1895 if (ost->video_pad) {
1896 ost->padtop = frame_padtop;
1897 ost->padleft = frame_padleft;
1898 ost->padbottom = frame_padbottom;
1899 ost->padright = frame_padright;
1900 if (!ost->video_resample) {
1901 avcodec_get_frame_defaults(&ost->pict_tmp);
1902 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1903 codec->width, codec->height))
1907 if (ost->video_resample) {
1908 avcodec_get_frame_defaults(&ost->pict_tmp);
1909 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1910 codec->width, codec->height)) {
1911 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1914 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1915 ost->img_resample_ctx = sws_getContext(
1916 icodec->width - (frame_leftBand + frame_rightBand),
1917 icodec->height - (frame_topBand + frame_bottomBand),
1919 codec->width - (frame_padleft + frame_padright),
1920 codec->height - (frame_padtop + frame_padbottom),
1922 sws_flags, NULL, NULL, NULL);
1923 if (ost->img_resample_ctx == NULL) {
1924 fprintf(stderr, "Cannot get resampling context\n");
1927 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1928 codec->bits_per_raw_sample= 0;
1930 ost->encoding_needed = 1;
1931 ist->decoding_needed = 1;
1933 case CODEC_TYPE_SUBTITLE:
1934 ost->encoding_needed = 1;
1935 ist->decoding_needed = 1;
1942 if (ost->encoding_needed &&
1943 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1944 char logfilename[1024];
1949 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1950 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1952 if (codec->flags & CODEC_FLAG_PASS1) {
1953 f = fopen(logfilename, "w");
1955 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1960 /* read the log file */
1961 f = fopen(logfilename, "r");
1963 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1966 fseek(f, 0, SEEK_END);
1968 fseek(f, 0, SEEK_SET);
1969 logbuffer = av_malloc(size + 1);
1971 fprintf(stderr, "Could not allocate log buffer\n");
1974 size = fread(logbuffer, 1, size, f);
1976 logbuffer[size] = '\0';
1977 codec->stats_in = logbuffer;
1981 if(codec->codec_type == CODEC_TYPE_VIDEO){
1982 int size= codec->width * codec->height;
1983 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1988 bit_buffer = av_malloc(bit_buffer_size);
1990 ret = AVERROR(ENOMEM);
1994 /* open each encoder */
1995 for(i=0;i<nb_ostreams;i++) {
1997 if (ost->encoding_needed) {
1998 AVCodec *codec = output_codecs[i];
2000 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2002 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
2003 ost->file_index, ost->index);
2004 ret = AVERROR(EINVAL);
2007 if (avcodec_open(ost->st->codec, codec) < 0) {
2008 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2009 ost->file_index, ost->index);
2010 ret = AVERROR(EINVAL);
2013 extra_size += ost->st->codec->extradata_size;
2017 /* open each decoder */
2018 for(i=0;i<nb_istreams;i++) {
2020 if (ist->decoding_needed) {
2021 AVCodec *codec = input_codecs[i];
2023 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2025 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
2026 ist->st->codec->codec_id, ist->file_index, ist->index);
2027 ret = AVERROR(EINVAL);
2030 if (avcodec_open(ist->st->codec, codec) < 0) {
2031 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
2032 ist->file_index, ist->index);
2033 ret = AVERROR(EINVAL);
2036 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2037 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2042 for(i=0;i<nb_istreams;i++) {
2045 ist->next_pts = AV_NOPTS_VALUE;
2049 /* set meta data information from input file if required */
2050 for (i=0;i<nb_meta_data_maps;i++) {
2051 AVFormatContext *out_file;
2052 AVFormatContext *in_file;
2053 AVMetadataTag *mtag;
2055 int out_file_index = meta_data_maps[i].out_file;
2056 int in_file_index = meta_data_maps[i].in_file;
2057 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2058 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2059 out_file_index, out_file_index, in_file_index);
2060 ret = AVERROR(EINVAL);
2063 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2064 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2065 in_file_index, out_file_index, in_file_index);
2066 ret = AVERROR(EINVAL);
2070 out_file = output_files[out_file_index];
2071 in_file = input_files[in_file_index];
2075 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2076 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2077 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2078 in_file->iformat->metadata_conv);
2081 /* open files and write file headers */
2082 for(i=0;i<nb_output_files;i++) {
2083 os = output_files[i];
2084 if (av_write_header(os) < 0) {
2085 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2086 ret = AVERROR(EINVAL);
2089 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2095 /* dump the file output parameters - cannot be done before in case
2097 for(i=0;i<nb_output_files;i++) {
2098 dump_format(output_files[i], i, output_files[i]->filename, 1);
2101 /* dump the stream mapping */
2103 fprintf(stderr, "Stream mapping:\n");
2104 for(i=0;i<nb_ostreams;i++) {
2106 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2107 ist_table[ost->source_index]->file_index,
2108 ist_table[ost->source_index]->index,
2111 if (ost->sync_ist != ist_table[ost->source_index])
2112 fprintf(stderr, " [sync #%d.%d]",
2113 ost->sync_ist->file_index,
2114 ost->sync_ist->index);
2115 fprintf(stderr, "\n");
2120 fprintf(stderr, "%s\n", error);
2125 print_sdp(output_files, nb_output_files);
2128 if (!using_stdin && verbose >= 0) {
2129 fprintf(stderr, "Press [q] to stop encoding\n");
2130 url_set_interrupt_cb(decode_interrupt_cb);
2134 timer_start = av_gettime();
2136 for(; received_sigterm == 0;) {
2137 int file_index, ist_index;
2145 /* if 'q' pressed, exits */
2149 /* read_key() returns 0 on EOF */
2155 /* select the stream that we must read now by looking at the
2156 smallest output pts */
2158 for(i=0;i<nb_ostreams;i++) {
2161 os = output_files[ost->file_index];
2162 ist = ist_table[ost->source_index];
2163 if(no_packet[ist->file_index])
2165 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2166 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2168 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2169 ipts = (double)ist->pts;
2170 if (!file_table[ist->file_index].eof_reached){
2171 if(ipts < ipts_min) {
2173 if(input_sync ) file_index = ist->file_index;
2175 if(opts < opts_min) {
2177 if(!input_sync) file_index = ist->file_index;
2180 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2185 /* if none, if is finished */
2186 if (file_index < 0) {
2187 if(no_packet_count){
2189 memset(no_packet, 0, sizeof(no_packet));
2196 /* finish if recording time exhausted */
2197 if (opts_min >= (recording_time / 1000000.0))
2200 /* finish if limit size exhausted */
2201 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2204 /* read a frame from it and output it in the fifo */
2205 is = input_files[file_index];
2206 ret= av_read_frame(is, &pkt);
2207 if(ret == AVERROR(EAGAIN)){
2208 no_packet[file_index]=1;
2213 file_table[file_index].eof_reached = 1;
2221 memset(no_packet, 0, sizeof(no_packet));
2224 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2226 /* the following test is needed in case new streams appear
2227 dynamically in stream : we ignore them */
2228 if (pkt.stream_index >= file_table[file_index].nb_streams)
2229 goto discard_packet;
2230 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2231 ist = ist_table[ist_index];
2233 goto discard_packet;
2235 if (pkt.dts != AV_NOPTS_VALUE)
2236 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2237 if (pkt.pts != AV_NOPTS_VALUE)
2238 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2240 if(input_files_ts_scale[file_index][pkt.stream_index]){
2241 if(pkt.pts != AV_NOPTS_VALUE)
2242 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2243 if(pkt.dts != AV_NOPTS_VALUE)
2244 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2247 //av_log(NULL, AV_LOG_ERROR, "timestamp=%"PRId64" %"PRId64"\n", pkt.pts, pkt.dts);
2250 // 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);
2251 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2252 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2253 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2254 int64_t delta= pkt_dts - ist->next_pts;
2255 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2256 input_files_ts_offset[ist->file_index]-= delta;
2258 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2259 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2260 if(pkt.pts != AV_NOPTS_VALUE)
2261 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2265 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2266 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2269 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2270 ist->file_index, ist->index);
2273 av_free_packet(&pkt);
2280 av_free_packet(&pkt);
2282 /* dump report by using the output first video and audio streams */
2283 //print_report(output_files, ost_table, nb_ostreams, 0);
2286 /* at the end of stream, we must flush the decoder buffers */
2287 for(i=0;i<nb_istreams;i++) {
2289 if (ist->decoding_needed) {
2290 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2296 /* write the trailer if needed and close file */
2297 for(i=0;i<nb_output_files;i++) {
2298 os = output_files[i];
2299 av_write_trailer(os);
2302 /* dump report by using the first video and audio streams */
2303 print_report(output_files, ost_table, nb_ostreams, 1);
2305 /* close each encoder */
2306 for(i=0;i<nb_ostreams;i++) {
2308 if (ost->encoding_needed) {
2309 av_freep(&ost->st->codec->stats_in);
2310 avcodec_close(ost->st->codec);
2314 /* close each decoder */
2315 for(i=0;i<nb_istreams;i++) {
2317 if (ist->decoding_needed) {
2318 avcodec_close(ist->st->codec);
2326 av_freep(&bit_buffer);
2327 av_free(file_table);
2330 for(i=0;i<nb_istreams;i++) {
2337 for(i=0;i<nb_ostreams;i++) {
2341 fclose(ost->logfile);
2342 ost->logfile = NULL;
2344 av_fifo_free(ost->fifo); /* works even if fifo is not
2345 initialized but set to zero */
2346 av_free(ost->pict_tmp.data[0]);
2347 if (ost->video_resample)
2348 sws_freeContext(ost->img_resample_ctx);
2350 audio_resample_close(ost->resample);
2351 if (ost->reformat_ctx)
2352 av_audio_convert_free(ost->reformat_ctx);
2362 int file_read(const char *filename)
2365 unsigned char buffer[1024];
2368 if (url_open(&h, filename, O_RDONLY) < 0) {
2369 printf("could not open '%s'\n", filename);
2373 len = url_read(h, buffer, sizeof(buffer));
2376 for(i=0;i<len;i++) putchar(buffer[i]);
2383 static void opt_format(const char *arg)
2385 /* compatibility stuff for pgmyuv */
2386 if (!strcmp(arg, "pgmyuv")) {
2387 pgmyuv_compatibility_hack=1;
2388 // opt_image_format(arg);
2390 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2393 file_iformat = av_find_input_format(arg);
2394 file_oformat = guess_format(arg, NULL, NULL);
2395 if (!file_iformat && !file_oformat) {
2396 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2401 static void opt_video_rc_override_string(const char *arg)
2403 video_rc_override_string = arg;
2406 static int opt_me_threshold(const char *opt, const char *arg)
2408 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2412 static int opt_loglevel(const char *opt, const char *arg)
2414 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2415 av_log_set_level(level);
2419 static int opt_verbose(const char *opt, const char *arg)
2421 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2425 static int opt_frame_rate(const char *opt, const char *arg)
2427 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2428 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2434 static int opt_bitrate(const char *opt, const char *arg)
2436 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2438 opt_default(opt, arg);
2440 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2441 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2446 static void opt_frame_crop_top(const char *arg)
2448 frame_topBand = atoi(arg);
2449 if (frame_topBand < 0) {
2450 fprintf(stderr, "Incorrect top crop size\n");
2453 if ((frame_topBand % 2) != 0) {
2454 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2457 if ((frame_topBand) >= frame_height){
2458 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2461 frame_height -= frame_topBand;
2464 static void opt_frame_crop_bottom(const char *arg)
2466 frame_bottomBand = atoi(arg);
2467 if (frame_bottomBand < 0) {
2468 fprintf(stderr, "Incorrect bottom crop size\n");
2471 if ((frame_bottomBand % 2) != 0) {
2472 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2475 if ((frame_bottomBand) >= frame_height){
2476 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2479 frame_height -= frame_bottomBand;
2482 static void opt_frame_crop_left(const char *arg)
2484 frame_leftBand = atoi(arg);
2485 if (frame_leftBand < 0) {
2486 fprintf(stderr, "Incorrect left crop size\n");
2489 if ((frame_leftBand % 2) != 0) {
2490 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2493 if ((frame_leftBand) >= frame_width){
2494 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2497 frame_width -= frame_leftBand;
2500 static void opt_frame_crop_right(const char *arg)
2502 frame_rightBand = atoi(arg);
2503 if (frame_rightBand < 0) {
2504 fprintf(stderr, "Incorrect right crop size\n");
2507 if ((frame_rightBand % 2) != 0) {
2508 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2511 if ((frame_rightBand) >= frame_width){
2512 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2515 frame_width -= frame_rightBand;
2518 static void opt_frame_size(const char *arg)
2520 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2521 fprintf(stderr, "Incorrect frame size\n");
2524 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2525 fprintf(stderr, "Frame size must be a multiple of 2\n");
2531 #define SCALEBITS 10
2532 #define ONE_HALF (1 << (SCALEBITS - 1))
2533 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2535 #define RGB_TO_Y(r, g, b) \
2536 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2537 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2539 #define RGB_TO_U(r1, g1, b1, shift)\
2540 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2541 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2543 #define RGB_TO_V(r1, g1, b1, shift)\
2544 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2545 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2547 static void opt_pad_color(const char *arg) {
2548 /* Input is expected to be six hex digits similar to
2549 how colors are expressed in html tags (but without the #) */
2550 int rgb = strtol(arg, NULL, 16);
2554 g = ((rgb >> 8) & 255);
2557 padcolor[0] = RGB_TO_Y(r,g,b);
2558 padcolor[1] = RGB_TO_U(r,g,b,0);
2559 padcolor[2] = RGB_TO_V(r,g,b,0);
2562 static void opt_frame_pad_top(const char *arg)
2564 frame_padtop = atoi(arg);
2565 if (frame_padtop < 0) {
2566 fprintf(stderr, "Incorrect top pad size\n");
2569 if ((frame_padtop % 2) != 0) {
2570 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2575 static void opt_frame_pad_bottom(const char *arg)
2577 frame_padbottom = atoi(arg);
2578 if (frame_padbottom < 0) {
2579 fprintf(stderr, "Incorrect bottom pad size\n");
2582 if ((frame_padbottom % 2) != 0) {
2583 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2589 static void opt_frame_pad_left(const char *arg)
2591 frame_padleft = atoi(arg);
2592 if (frame_padleft < 0) {
2593 fprintf(stderr, "Incorrect left pad size\n");
2596 if ((frame_padleft % 2) != 0) {
2597 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2603 static void opt_frame_pad_right(const char *arg)
2605 frame_padright = atoi(arg);
2606 if (frame_padright < 0) {
2607 fprintf(stderr, "Incorrect right pad size\n");
2610 if ((frame_padright % 2) != 0) {
2611 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2616 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2620 for (i=-1; i < nb_fmts; i++) {
2621 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2622 fprintf(stdout, "%s\n", fmt_str);
2626 static void opt_frame_pix_fmt(const char *arg)
2628 if (strcmp(arg, "list")) {
2629 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2630 if (frame_pix_fmt == PIX_FMT_NONE) {
2631 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2635 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2640 static void opt_frame_aspect_ratio(const char *arg)
2647 p = strchr(arg, ':');
2649 x = strtol(arg, &end, 10);
2651 y = strtol(end+1, &end, 10);
2653 ar = (double)x / (double)y;
2655 ar = strtod(arg, NULL);
2658 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2661 frame_aspect_ratio = ar;
2664 static int opt_metadata(const char *opt, const char *arg)
2666 char *mid= strchr(arg, '=');
2669 fprintf(stderr, "Missing =\n");
2675 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2676 metadata[metadata_count-1].key = av_strdup(arg);
2677 metadata[metadata_count-1].value= av_strdup(mid);
2682 static void opt_qscale(const char *arg)
2684 video_qscale = atof(arg);
2685 if (video_qscale <= 0 ||
2686 video_qscale > 255) {
2687 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2692 static void opt_top_field_first(const char *arg)
2694 top_field_first= atoi(arg);
2697 static int opt_thread_count(const char *opt, const char *arg)
2699 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2702 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2707 static void opt_audio_sample_fmt(const char *arg)
2709 if (strcmp(arg, "list"))
2710 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2712 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2717 static int opt_audio_rate(const char *opt, const char *arg)
2719 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2723 static int opt_audio_channels(const char *opt, const char *arg)
2725 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2729 static void opt_video_channel(const char *arg)
2731 video_channel = strtol(arg, NULL, 0);
2734 static void opt_video_standard(const char *arg)
2736 video_standard = av_strdup(arg);
2739 static void opt_codec(int *pstream_copy, char **pcodec_name,
2740 int codec_type, const char *arg)
2742 av_freep(pcodec_name);
2743 if (!strcmp(arg, "copy")) {
2746 *pcodec_name = av_strdup(arg);
2750 static void opt_audio_codec(const char *arg)
2752 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2755 static void opt_audio_tag(const char *arg)
2758 audio_codec_tag= strtol(arg, &tail, 0);
2761 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2764 static void opt_video_tag(const char *arg)
2767 video_codec_tag= strtol(arg, &tail, 0);
2770 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2773 static void opt_video_codec(const char *arg)
2775 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2778 static void opt_subtitle_codec(const char *arg)
2780 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2783 static void opt_subtitle_tag(const char *arg)
2786 subtitle_codec_tag= strtol(arg, &tail, 0);
2789 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2792 static void opt_map(const char *arg)
2797 m = &stream_maps[nb_stream_maps++];
2799 m->file_index = strtol(arg, &p, 0);
2803 m->stream_index = strtol(p, &p, 0);
2806 m->sync_file_index = strtol(p, &p, 0);
2809 m->sync_stream_index = strtol(p, &p, 0);
2811 m->sync_file_index = m->file_index;
2812 m->sync_stream_index = m->stream_index;
2816 static void opt_map_meta_data(const char *arg)
2821 m = &meta_data_maps[nb_meta_data_maps++];
2823 m->out_file = strtol(arg, &p, 0);
2827 m->in_file = strtol(p, &p, 0);
2830 static void opt_input_ts_scale(const char *arg)
2832 unsigned int stream;
2836 stream = strtol(arg, &p, 0);
2839 scale= strtod(p, &p);
2841 if(stream >= MAX_STREAMS)
2844 input_files_ts_scale[nb_input_files][stream]= scale;
2847 static int opt_recording_time(const char *opt, const char *arg)
2849 recording_time = parse_time_or_die(opt, arg, 1);
2853 static int opt_start_time(const char *opt, const char *arg)
2855 start_time = parse_time_or_die(opt, arg, 1);
2859 static int opt_rec_timestamp(const char *opt, const char *arg)
2861 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2865 static int opt_input_ts_offset(const char *opt, const char *arg)
2867 input_ts_offset = parse_time_or_die(opt, arg, 1);
2871 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2873 const char *codec_string = encoder ? "encoder" : "decoder";
2877 return CODEC_ID_NONE;
2879 avcodec_find_encoder_by_name(name) :
2880 avcodec_find_decoder_by_name(name);
2882 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2885 if(codec->type != type) {
2886 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2892 static void opt_input_file(const char *filename)
2894 AVFormatContext *ic;
2895 AVFormatParameters params, *ap = ¶ms;
2896 int err, i, ret, rfps, rfps_base;
2899 if (!strcmp(filename, "-"))
2902 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2903 !strcmp(filename, "/dev/stdin");
2905 /* get default parameters from command line */
2906 ic = avformat_alloc_context();
2908 memset(ap, 0, sizeof(*ap));
2909 ap->prealloced_context = 1;
2910 ap->sample_rate = audio_sample_rate;
2911 ap->channels = audio_channels;
2912 ap->time_base.den = frame_rate.num;
2913 ap->time_base.num = frame_rate.den;
2914 ap->width = frame_width + frame_padleft + frame_padright;
2915 ap->height = frame_height + frame_padtop + frame_padbottom;
2916 ap->pix_fmt = frame_pix_fmt;
2917 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2918 ap->channel = video_channel;
2919 ap->standard = video_standard;
2920 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2921 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2922 if(pgmyuv_compatibility_hack)
2923 ap->video_codec_id= CODEC_ID_PGMYUV;
2925 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2927 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2928 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2929 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2930 ic->flags |= AVFMT_FLAG_NONBLOCK;
2932 /* open the input file with generic libav function */
2933 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2935 print_error(filename, err);
2940 for(i=0; i<ic->nb_programs; i++)
2941 if(ic->programs[i]->id != opt_programid)
2942 ic->programs[i]->discard = AVDISCARD_ALL;
2945 ic->loop_input = loop_input;
2947 /* If not enough info to get the stream parameters, we decode the
2948 first frames to get it. (used in mpeg case for example) */
2949 ret = av_find_stream_info(ic);
2950 if (ret < 0 && verbose >= 0) {
2951 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2955 timestamp = start_time;
2956 /* add the stream start time */
2957 if (ic->start_time != AV_NOPTS_VALUE)
2958 timestamp += ic->start_time;
2960 /* if seeking requested, we execute it */
2961 if (start_time != 0) {
2962 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2964 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2965 filename, (double)timestamp / AV_TIME_BASE);
2967 /* reset seek info */
2971 /* update the current parameters so that they match the one of the input stream */
2972 for(i=0;i<ic->nb_streams;i++) {
2973 AVCodecContext *enc = ic->streams[i]->codec;
2975 avcodec_thread_init(enc, thread_count);
2976 enc->thread_count= thread_count;
2977 switch(enc->codec_type) {
2978 case CODEC_TYPE_AUDIO:
2979 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2980 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2981 channel_layout = enc->channel_layout;
2982 audio_channels = enc->channels;
2983 audio_sample_rate = enc->sample_rate;
2984 audio_sample_fmt = enc->sample_fmt;
2985 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2987 ic->streams[i]->discard= AVDISCARD_ALL;
2989 case CODEC_TYPE_VIDEO:
2990 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2991 frame_height = enc->height;
2992 frame_width = enc->width;
2993 if(ic->streams[i]->sample_aspect_ratio.num)
2994 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2996 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2997 frame_aspect_ratio *= (float) enc->width / enc->height;
2998 frame_pix_fmt = enc->pix_fmt;
2999 rfps = ic->streams[i]->r_frame_rate.num;
3000 rfps_base = ic->streams[i]->r_frame_rate.den;
3001 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
3003 enc->debug |= FF_DEBUG_MV;
3005 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
3008 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3009 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3011 (float)rfps / rfps_base, rfps, rfps_base);
3013 /* update the current frame rate to match the stream frame rate */
3014 frame_rate.num = rfps;
3015 frame_rate.den = rfps_base;
3017 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3019 ic->streams[i]->discard= AVDISCARD_ALL;
3020 else if(video_discard)
3021 ic->streams[i]->discard= video_discard;
3023 case CODEC_TYPE_DATA:
3025 case CODEC_TYPE_SUBTITLE:
3026 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3027 if(subtitle_disable)
3028 ic->streams[i]->discard = AVDISCARD_ALL;
3030 case CODEC_TYPE_ATTACHMENT:
3031 case CODEC_TYPE_UNKNOWN:
3039 input_files[nb_input_files] = ic;
3040 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3041 /* dump the file content */
3043 dump_format(ic, nb_input_files, filename, 0);
3046 file_iformat = NULL;
3047 file_oformat = NULL;
3051 av_freep(&video_codec_name);
3052 av_freep(&audio_codec_name);
3053 av_freep(&subtitle_codec_name);
3056 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3057 int *has_subtitle_ptr)
3059 int has_video, has_audio, has_subtitle, i, j;
3060 AVFormatContext *ic;
3065 for(j=0;j<nb_input_files;j++) {
3066 ic = input_files[j];
3067 for(i=0;i<ic->nb_streams;i++) {
3068 AVCodecContext *enc = ic->streams[i]->codec;
3069 switch(enc->codec_type) {
3070 case CODEC_TYPE_AUDIO:
3073 case CODEC_TYPE_VIDEO:
3076 case CODEC_TYPE_SUBTITLE:
3079 case CODEC_TYPE_DATA:
3080 case CODEC_TYPE_ATTACHMENT:
3081 case CODEC_TYPE_UNKNOWN:
3088 *has_video_ptr = has_video;
3089 *has_audio_ptr = has_audio;
3090 *has_subtitle_ptr = has_subtitle;
3093 static void new_video_stream(AVFormatContext *oc)
3096 AVCodecContext *video_enc;
3099 st = av_new_stream(oc, oc->nb_streams);
3101 fprintf(stderr, "Could not alloc stream\n");
3104 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3105 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3106 video_bitstream_filters= NULL;
3109 avcodec_thread_init(st->codec, thread_count);
3111 video_enc = st->codec;
3114 video_enc->codec_tag= video_codec_tag;
3116 if( (video_global_header&1)
3117 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3118 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3119 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3121 if(video_global_header&2){
3122 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3123 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3126 if (video_stream_copy) {
3127 st->stream_copy = 1;
3128 video_enc->codec_type = CODEC_TYPE_VIDEO;
3129 video_enc->sample_aspect_ratio =
3130 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3135 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3137 if (video_codec_name) {
3138 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3139 codec = avcodec_find_encoder_by_name(video_codec_name);
3140 output_codecs[nb_ocodecs] = codec;
3142 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3143 codec = avcodec_find_encoder(codec_id);
3146 video_enc->codec_id = codec_id;
3148 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3150 if (codec && codec->supported_framerates && !force_fps)
3151 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3152 video_enc->time_base.den = fps.num;
3153 video_enc->time_base.num = fps.den;
3155 video_enc->width = frame_width + frame_padright + frame_padleft;
3156 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3157 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3158 video_enc->pix_fmt = frame_pix_fmt;
3159 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3161 if(codec && codec->pix_fmts){
3162 const enum PixelFormat *p= codec->pix_fmts;
3164 if(*p == video_enc->pix_fmt)
3168 video_enc->pix_fmt = codec->pix_fmts[0];
3172 video_enc->gop_size = 0;
3173 if (video_qscale || same_quality) {
3174 video_enc->flags |= CODEC_FLAG_QSCALE;
3175 video_enc->global_quality=
3176 st->quality = FF_QP2LAMBDA * video_qscale;
3180 video_enc->intra_matrix = intra_matrix;
3182 video_enc->inter_matrix = inter_matrix;
3184 video_enc->thread_count = thread_count;
3185 p= video_rc_override_string;
3188 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3190 fprintf(stderr, "error parsing rc_override\n");
3193 video_enc->rc_override=
3194 av_realloc(video_enc->rc_override,
3195 sizeof(RcOverride)*(i+1));
3196 video_enc->rc_override[i].start_frame= start;
3197 video_enc->rc_override[i].end_frame = end;
3199 video_enc->rc_override[i].qscale= q;
3200 video_enc->rc_override[i].quality_factor= 1.0;
3203 video_enc->rc_override[i].qscale= 0;
3204 video_enc->rc_override[i].quality_factor= -q/100.0;
3209 video_enc->rc_override_count=i;
3210 if (!video_enc->rc_initial_buffer_occupancy)
3211 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3212 video_enc->me_threshold= me_threshold;
3213 video_enc->intra_dc_precision= intra_dc_precision - 8;
3216 video_enc->flags|= CODEC_FLAG_PSNR;
3221 video_enc->flags |= CODEC_FLAG_PASS1;
3223 video_enc->flags |= CODEC_FLAG_PASS2;
3229 /* reset some key parameters */
3231 av_freep(&video_codec_name);
3232 video_stream_copy = 0;
3235 static void new_audio_stream(AVFormatContext *oc)
3238 AVCodecContext *audio_enc;
3241 st = av_new_stream(oc, oc->nb_streams);
3243 fprintf(stderr, "Could not alloc stream\n");
3246 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3248 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3249 audio_bitstream_filters= NULL;
3252 avcodec_thread_init(st->codec, thread_count);
3254 audio_enc = st->codec;
3255 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3258 audio_enc->codec_tag= audio_codec_tag;
3260 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3261 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3262 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3264 if (audio_stream_copy) {
3265 st->stream_copy = 1;
3266 audio_enc->channels = audio_channels;
3270 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3272 if (audio_codec_name) {
3273 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3274 codec = avcodec_find_encoder_by_name(audio_codec_name);
3275 output_codecs[nb_ocodecs] = codec;
3277 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3278 codec = avcodec_find_encoder(codec_id);
3280 audio_enc->codec_id = codec_id;
3282 if (audio_qscale > QSCALE_NONE) {
3283 audio_enc->flags |= CODEC_FLAG_QSCALE;
3284 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3286 audio_enc->thread_count = thread_count;
3287 audio_enc->channels = audio_channels;
3288 audio_enc->sample_fmt = audio_sample_fmt;
3289 audio_enc->channel_layout = channel_layout;
3290 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3291 audio_enc->channel_layout = 0;
3293 if(codec && codec->sample_fmts){
3294 const enum SampleFormat *p= codec->sample_fmts;
3296 if(*p == audio_enc->sample_fmt)
3300 audio_enc->sample_fmt = codec->sample_fmts[0];
3304 audio_enc->sample_rate = audio_sample_rate;
3305 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3306 if (audio_language) {
3307 av_metadata_set(&st->metadata, "language", audio_language);
3308 av_free(audio_language);
3309 audio_language = NULL;
3312 /* reset some key parameters */
3314 av_freep(&audio_codec_name);
3315 audio_stream_copy = 0;
3318 static void new_subtitle_stream(AVFormatContext *oc)
3321 AVCodecContext *subtitle_enc;
3323 st = av_new_stream(oc, oc->nb_streams);
3325 fprintf(stderr, "Could not alloc stream\n");
3328 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3330 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3331 subtitle_bitstream_filters= NULL;
3333 subtitle_enc = st->codec;
3334 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3336 if(subtitle_codec_tag)
3337 subtitle_enc->codec_tag= subtitle_codec_tag;
3339 if (subtitle_stream_copy) {
3340 st->stream_copy = 1;
3342 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3343 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3344 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3348 if (subtitle_language) {
3349 av_metadata_set(&st->metadata, "language", subtitle_language);
3350 av_free(subtitle_language);
3351 subtitle_language = NULL;
3354 subtitle_disable = 0;
3355 av_freep(&subtitle_codec_name);
3356 subtitle_stream_copy = 0;
3359 static void opt_new_audio_stream(void)
3361 AVFormatContext *oc;
3362 if (nb_output_files <= 0) {
3363 fprintf(stderr, "At least one output file must be specified\n");
3366 oc = output_files[nb_output_files - 1];
3367 new_audio_stream(oc);
3370 static void opt_new_video_stream(void)
3372 AVFormatContext *oc;
3373 if (nb_output_files <= 0) {
3374 fprintf(stderr, "At least one output file must be specified\n");
3377 oc = output_files[nb_output_files - 1];
3378 new_video_stream(oc);
3381 static void opt_new_subtitle_stream(void)
3383 AVFormatContext *oc;
3384 if (nb_output_files <= 0) {
3385 fprintf(stderr, "At least one output file must be specified\n");
3388 oc = output_files[nb_output_files - 1];
3389 new_subtitle_stream(oc);
3392 static void opt_output_file(const char *filename)
3394 AVFormatContext *oc;
3395 int use_video, use_audio, use_subtitle;
3396 int input_has_video, input_has_audio, input_has_subtitle;
3397 AVFormatParameters params, *ap = ¶ms;
3399 if (!strcmp(filename, "-"))
3402 oc = avformat_alloc_context();
3404 if (!file_oformat) {
3405 file_oformat = guess_format(NULL, filename, NULL);
3406 if (!file_oformat) {
3407 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3413 oc->oformat = file_oformat;
3414 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3416 if (!strcmp(file_oformat->name, "ffm") &&
3417 av_strstart(filename, "http:", NULL)) {
3418 /* special case for files sent to ffserver: we get the stream
3419 parameters from ffserver */
3420 int err = read_ffserver_streams(oc, filename);
3422 print_error(filename, err);
3426 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3427 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3428 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3430 /* disable if no corresponding type found and at least one
3432 if (nb_input_files > 0) {
3433 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3434 &input_has_subtitle);
3435 if (!input_has_video)
3437 if (!input_has_audio)
3439 if (!input_has_subtitle)
3443 /* manual disable */
3444 if (audio_disable) {
3447 if (video_disable) {
3450 if (subtitle_disable) {
3455 new_video_stream(oc);
3459 new_audio_stream(oc);
3463 new_subtitle_stream(oc);
3466 oc->timestamp = rec_timestamp;
3468 for(; metadata_count>0; metadata_count--){
3469 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3470 metadata[metadata_count-1].value);
3472 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3475 output_files[nb_output_files++] = oc;
3477 /* check filename in case of an image number is expected */
3478 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3479 if (!av_filename_number_test(oc->filename)) {
3480 print_error(oc->filename, AVERROR_NUMEXPECTED);
3485 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3486 /* test if it already exists to avoid loosing precious files */
3487 if (!file_overwrite &&
3488 (strchr(filename, ':') == NULL ||
3489 filename[1] == ':' ||
3490 av_strstart(filename, "file:", NULL))) {
3491 if (url_exist(filename)) {
3493 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3495 if (!read_yesno()) {
3496 fprintf(stderr, "Not overwriting - exiting\n");
3501 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3508 if (url_fopen(&oc->pb, filename, URL_WRONLY|URL_DIRECT) < 0) {
3509 fprintf(stderr, "Could not open '%s'\n", filename);
3515 for (i=0; i<0x81; i++) {
3516 put_le32(oc->pb, i);
3518 put_flush_packet(oc->pb);
3520 url_close_buf(oc->pb);
3526 memset(ap, 0, sizeof(*ap));
3527 if (av_set_parameters(oc, ap) < 0) {
3528 fprintf(stderr, "%s: Invalid encoding parameters\n",
3533 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3534 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3535 oc->loop_output = loop_output;
3536 oc->flags |= AVFMT_FLAG_NONBLOCK;
3538 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3540 /* reset some options */
3541 file_oformat = NULL;
3542 file_iformat = NULL;
3545 /* same option as mencoder */
3546 static void opt_pass(const char *pass_str)
3549 pass = atoi(pass_str);
3550 if (pass != 1 && pass != 2) {
3551 fprintf(stderr, "pass number can be only 1 or 2\n");
3557 static int64_t getutime(void)
3560 struct rusage rusage;
3562 getrusage(RUSAGE_SELF, &rusage);
3563 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3564 #elif HAVE_GETPROCESSTIMES
3566 FILETIME c, e, k, u;
3567 proc = GetCurrentProcess();
3568 GetProcessTimes(proc, &c, &e, &k, &u);
3569 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3571 return av_gettime();
3575 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3578 const char *p = str;
3585 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3592 static void opt_inter_matrix(const char *arg)
3594 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3595 parse_matrix_coeffs(inter_matrix, arg);
3598 static void opt_intra_matrix(const char *arg)
3600 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3601 parse_matrix_coeffs(intra_matrix, arg);
3605 * Trivial log callback.
3606 * Only suitable for show_help and similar since it lacks prefix handling.
3608 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3610 vfprintf(stdout, fmt, vl);
3613 static void show_help(void)
3615 av_log_set_callback(log_callback_help);
3616 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3617 "Hyper fast Audio and Video encoder\n");
3619 show_help_options(options, "Main options:\n",
3620 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3621 show_help_options(options, "\nAdvanced options:\n",
3622 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3624 show_help_options(options, "\nVideo options:\n",
3625 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3627 show_help_options(options, "\nAdvanced Video options:\n",
3628 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3629 OPT_VIDEO | OPT_EXPERT);
3630 show_help_options(options, "\nAudio options:\n",
3631 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3633 show_help_options(options, "\nAdvanced Audio options:\n",
3634 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3635 OPT_AUDIO | OPT_EXPERT);
3636 show_help_options(options, "\nSubtitle options:\n",
3637 OPT_SUBTITLE | OPT_GRAB,
3639 show_help_options(options, "\nAudio/Video grab options:\n",
3643 av_opt_show(avcodec_opts[0], NULL);
3645 av_opt_show(avformat_opts, NULL);
3647 av_opt_show(sws_opts, NULL);
3650 static void opt_target(const char *arg)
3653 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3655 if(!strncmp(arg, "pal-", 4)) {
3658 } else if(!strncmp(arg, "ntsc-", 5)) {
3661 } else if(!strncmp(arg, "film-", 5)) {
3666 /* Calculate FR via float to avoid int overflow */
3667 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3670 } else if((fr == 29970) || (fr == 23976)) {
3673 /* Try to determine PAL/NTSC by peeking in the input files */
3674 if(nb_input_files) {
3676 for(j = 0; j < nb_input_files; j++) {
3677 for(i = 0; i < input_files[j]->nb_streams; i++) {
3678 AVCodecContext *c = input_files[j]->streams[i]->codec;
3679 if(c->codec_type != CODEC_TYPE_VIDEO)
3681 fr = c->time_base.den * 1000 / c->time_base.num;
3685 } else if((fr == 29970) || (fr == 23976)) {
3695 if(verbose && norm >= 0)
3696 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3700 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3701 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3702 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3706 if(!strcmp(arg, "vcd")) {
3708 opt_video_codec("mpeg1video");
3709 opt_audio_codec("mp2");
3712 opt_frame_size(norm ? "352x240" : "352x288");
3713 opt_frame_rate(NULL, frame_rates[norm]);
3714 opt_default("gop", norm ? "18" : "15");
3716 opt_default("b", "1150000");
3717 opt_default("maxrate", "1150000");
3718 opt_default("minrate", "1150000");
3719 opt_default("bufsize", "327680"); // 40*1024*8;
3721 opt_default("ab", "224000");
3722 audio_sample_rate = 44100;
3725 opt_default("packetsize", "2324");
3726 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3728 /* We have to offset the PTS, so that it is consistent with the SCR.
3729 SCR starts at 36000, but the first two packs contain only padding
3730 and the first pack from the other stream, respectively, may also have
3731 been written before.
3732 So the real data starts at SCR 36000+3*1200. */
3733 mux_preload= (36000+3*1200) / 90000.0; //0.44
3734 } else if(!strcmp(arg, "svcd")) {
3736 opt_video_codec("mpeg2video");
3737 opt_audio_codec("mp2");
3740 opt_frame_size(norm ? "480x480" : "480x576");
3741 opt_frame_rate(NULL, frame_rates[norm]);
3742 opt_default("gop", norm ? "18" : "15");
3744 opt_default("b", "2040000");
3745 opt_default("maxrate", "2516000");
3746 opt_default("minrate", "0"); //1145000;
3747 opt_default("bufsize", "1835008"); //224*1024*8;
3748 opt_default("flags", "+scan_offset");
3751 opt_default("ab", "224000");
3752 audio_sample_rate = 44100;
3754 opt_default("packetsize", "2324");
3756 } else if(!strcmp(arg, "dvd")) {
3758 opt_video_codec("mpeg2video");
3759 opt_audio_codec("ac3");
3762 opt_frame_size(norm ? "720x480" : "720x576");
3763 opt_frame_rate(NULL, frame_rates[norm]);
3764 opt_default("gop", norm ? "18" : "15");
3766 opt_default("b", "6000000");
3767 opt_default("maxrate", "9000000");
3768 opt_default("minrate", "0"); //1500000;
3769 opt_default("bufsize", "1835008"); //224*1024*8;
3771 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3772 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3774 opt_default("ab", "448000");
3775 audio_sample_rate = 48000;
3777 } else if(!strncmp(arg, "dv", 2)) {
3781 opt_frame_size(norm ? "720x480" : "720x576");
3782 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3783 (norm ? "yuv411p" : "yuv420p"));
3784 opt_frame_rate(NULL, frame_rates[norm]);
3786 audio_sample_rate = 48000;
3790 fprintf(stderr, "Unknown target: %s\n", arg);
3795 static void opt_vstats_file (const char *arg)
3797 av_free (vstats_filename);
3798 vstats_filename=av_strdup (arg);
3801 static void opt_vstats (void)
3804 time_t today2 = time(NULL);
3805 struct tm *today = localtime(&today2);
3807 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3809 opt_vstats_file(filename);
3812 static int opt_bsf(const char *opt, const char *arg)
3814 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3815 AVBitStreamFilterContext **bsfp;
3818 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3822 bsfp= *opt == 'v' ? &video_bitstream_filters :
3823 *opt == 'a' ? &audio_bitstream_filters :
3824 &subtitle_bitstream_filters;
3826 bsfp= &(*bsfp)->next;
3833 static int opt_preset(const char *opt, const char *arg)
3836 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3838 const char *base[2]= { getenv("HOME"),
3841 for(i=!base[0]; i<2 && !f; i++){
3842 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3843 f= fopen(filename, "r");
3845 char *codec_name= *opt == 'v' ? video_codec_name :
3846 *opt == 'a' ? audio_codec_name :
3847 subtitle_codec_name;
3848 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3849 f= fopen(filename, "r");
3852 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3854 av_strlcpy(filename, arg, sizeof(filename));
3855 f= fopen(filename, "r");
3859 fprintf(stderr, "File for preset '%s' not found\n", arg);
3864 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3865 if(line[0] == '#' && !e)
3867 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3869 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3872 if(!strcmp(tmp, "acodec")){
3873 opt_audio_codec(tmp2);
3874 }else if(!strcmp(tmp, "vcodec")){
3875 opt_video_codec(tmp2);
3876 }else if(!strcmp(tmp, "scodec")){
3877 opt_subtitle_codec(tmp2);
3878 }else if(opt_default(tmp, tmp2) < 0){
3879 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3889 static const OptionDef options[] = {
3891 { "renegotiate", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&renegotiate}, "renegotiate after several video frames", "number" },
3892 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3893 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3894 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3895 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3896 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3897 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3898 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3899 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3900 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3901 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3902 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3903 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3904 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3905 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3906 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3907 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3908 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3909 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3910 "add timings for benchmarking" },
3911 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3912 "dump each input packet" },
3913 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3914 "when dumping packets, also dump the payload" },
3915 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3916 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3917 { "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)", "" },
3918 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3919 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3920 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3921 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3922 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3923 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3924 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3925 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3926 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3927 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3928 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3929 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3930 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3931 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3934 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3935 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3936 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3937 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3938 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3939 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3940 { "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" },
3941 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3942 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3943 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3944 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3945 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3946 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3947 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3948 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3949 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3950 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3951 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3952 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3953 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3954 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3955 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3956 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3957 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3958 "use same video quality as source (implies VBR)" },
3959 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3960 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3961 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3962 "deinterlace pictures" },
3963 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3964 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3965 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3966 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3967 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3968 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3969 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3970 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3971 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3972 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3973 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3976 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3977 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3978 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3979 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3980 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3981 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3982 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3983 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3984 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3985 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3986 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3987 { "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" },
3989 /* subtitle options */
3990 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3991 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3992 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3993 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3994 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3997 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3998 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3999 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4002 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4003 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4005 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4006 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4007 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4009 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4010 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4011 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4013 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4017 #ifdef CONFIG_FFMPEG_WITH_FRSH
4019 void *av_encode_thread(void *arg)
4022 frsh_thread_id_t thread_id;
4024 /* bind this thread to vres */
4025 thread_id = fosa_thread_self();
4026 /* PXW(frsh_thread_bind(disk_vres, thread_id)); */
4028 ret = av_encode(output_files, nb_output_files,
4029 input_files, nb_input_files,
4030 stream_maps, nb_stream_maps);
4031 return (void*)(intptr_t)ret;
4036 frsh_thread_attr_t frsh_attr;
4037 frsh_thread_id_t thread;
4038 frsh_vres_id_t cpu_vres;
4039 frsh_contract_t cpu_contract;
4040 frsh_rel_time_t cpu_budget, cpu_period;
4042 frsh_rel_time_t disk_budget, disk_period;
4048 cpu_budget = fosa_msec_to_rel_time(5);
4049 cpu_period = fosa_msec_to_rel_time(1000/50);
4051 /* #define DISK_THROUGHPUT 20277LLU /\* units??? probably MB/s *\/ */
4052 /* disk_budget = fosa_nsec_to_rel_time(1000000000LLU/\*nsec/s*\/ * 500000 /\*bytes/s*\/ */
4053 /* / (DISK_THROUGHPUT*1000000) /\* bytes *\/); // is this correct? */
4054 disk_budget = fosa_msec_to_rel_time(1);
4055 disk_period = fosa_msec_to_rel_time(1000/50);
4057 /* Contract negotiation for CPU */
4058 ret = frsh_contract_init(&cpu_contract);
4059 if (ret) PERROR_AND_EXIT(ret, "CPU:frsh_contract_init");
4061 ret = frsh_contract_set_basic_params(&cpu_contract,
4066 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
4067 ret = frsh_contract_set_resource_and_label(&cpu_contract,
4068 FRSH_RT_PROCESSOR, FRSH_CPU_ID_DEFAULT, "recorder");
4069 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
4071 ret = frsh_contract_negotiate(&cpu_contract, &cpu_vres);
4072 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate cpu");
4073 printf("Aqcpu vres negotiated\n");
4075 /* Contract negotiation for Disk */
4076 ret = frsh_contract_init(&disk_contract);
4077 if (ret) PERROR_AND_EXIT(ret, "DISK:frsh_contract_init");
4079 ret = frsh_contract_set_basic_params(&disk_contract,
4082 FRSH_WT_INDETERMINATE,
4084 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
4085 ret = frsh_contract_set_resource_and_label(&disk_contract,
4086 FRSH_RT_DISK, 0, output_files[0]->filename);
4087 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
4089 ret = frsh_contract_negotiate(&disk_contract, &disk_vres);
4090 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate disk");
4091 printf("Disk vres negotiated\n");
4093 pthread_attr_init(&frsh_attr);
4094 ret = frsh_thread_create_and_bind(cpu_vres, &thread, &frsh_attr,
4095 av_encode_thread, (void*) NULL);
4096 if (ret) PERROR_AND_EXIT(ret, "frsh_thread_create_and_bind");
4098 pthread_join(thread.pthread_id, (void**) NULL);
4100 printf("Ending contracts\n");
4102 ret = frsh_contract_cancel(cpu_vres);
4103 ret = frsh_contract_cancel(disk_vres);
4104 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_cancel");
4106 printf("Finishing\n");
4109 #endif /* CONFIG_FFMPEG_WITH_FRSH */
4111 void flush_buffered_frames(AVFormatContext *s)
4114 while ((pktl = s->packet_buffer)) {
4115 av_free_packet(&pktl->pkt);
4116 s->packet_buffer = pktl->next;
4121 int main(int argc, char **argv)
4126 avcodec_register_all();
4127 avdevice_register_all();
4130 if(isatty(STDIN_FILENO))
4131 url_set_interrupt_cb(decode_interrupt_cb);
4133 for(i=0; i<CODEC_TYPE_NB; i++){
4134 avcodec_opts[i]= avcodec_alloc_context2(i);
4136 avformat_opts = avformat_alloc_context();
4137 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4142 parse_options(argc, argv, options, opt_output_file);
4144 if (nb_input_files == 0) {
4145 opt_input_file("sdp.txt");
4148 /* file converter / grab */
4149 if (nb_output_files <= 0) {
4151 opt_output_file("stream.mp4");
4154 for (i=0; i<nb_input_files; i++)
4155 flush_buffered_frames(input_files[i]);
4158 #if CONFIG_FFMPEG_WITH_FRSH
4159 if (frsh_stuff() < 0)
4162 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
4163 stream_maps, nb_stream_maps) < 0)
4166 ti = getutime() - ti;
4168 printf("bench: utime=%0.3fs\n", ti / 1000000.0);