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 extern frsh_vres_id_t last_rtp_vres;
78 extern frsh_contract_t last_rtp_contract;
81 const char program_name[] = "FFmpeg";
82 const int program_birth_year = 2000;
84 /* select an input stream for an output stream */
85 typedef struct AVStreamMap {
89 int sync_stream_index;
92 /** select an input file for an output file */
93 typedef struct AVMetaDataMap {
98 static const OptionDef options[];
104 static AVFormatContext *input_files[MAX_FILES];
105 static int64_t input_files_ts_offset[MAX_FILES];
106 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
107 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
108 static int nb_input_files = 0;
109 static int nb_icodecs;
111 static AVFormatContext *output_files[MAX_FILES];
112 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
113 static int nb_output_files = 0;
114 static int nb_ocodecs;
116 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
117 static int nb_stream_maps;
119 static AVMetaDataMap meta_data_maps[MAX_FILES];
120 static int nb_meta_data_maps;
122 static AVInputFormat *file_iformat;
123 static AVOutputFormat *file_oformat;
124 static int frame_width = 0;
125 static int frame_height = 0;
126 static float frame_aspect_ratio = 0;
127 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
128 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
129 static int frame_padtop = 0;
130 static int frame_padbottom = 0;
131 static int frame_padleft = 0;
132 static int frame_padright = 0;
133 static int padcolor[3] = {16,128,128}; /* default to black */
134 static int frame_topBand = 0;
135 static int frame_bottomBand = 0;
136 static int frame_leftBand = 0;
137 static int frame_rightBand = 0;
138 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
139 static AVRational frame_rate;
140 static float video_qscale = 0;
141 static uint16_t *intra_matrix = NULL;
142 static uint16_t *inter_matrix = NULL;
143 #if 0 //experimental, (can be removed)
144 static float video_rc_qsquish=1.0;
145 static float video_rc_qmod_amp=0;
146 static int video_rc_qmod_freq=0;
148 static const char *video_rc_override_string=NULL;
149 static int video_disable = 0;
150 static int video_discard = 0;
151 static char *video_codec_name = NULL;
152 static int video_codec_tag = 0;
153 static int same_quality = 0;
154 static int do_deinterlace = 0;
155 static int top_field_first = -1;
156 static int me_threshold = 0;
157 static int intra_dc_precision = 8;
158 static int loop_input = 0;
159 static int loop_output = AVFMT_NOOUTPUTLOOP;
160 static int qp_hist = 0;
162 static int intra_only = 0;
163 static int audio_sample_rate = 44100;
164 static int64_t channel_layout = 0;
165 #define QSCALE_NONE -99999
166 static float audio_qscale = QSCALE_NONE;
167 static int audio_disable = 0;
168 static int audio_channels = 1;
169 static char *audio_codec_name = NULL;
170 static int audio_codec_tag = 0;
171 static char *audio_language = NULL;
173 static int subtitle_disable = 0;
174 static char *subtitle_codec_name = NULL;
175 static char *subtitle_language = NULL;
176 static int subtitle_codec_tag = 0;
178 static float mux_preload= 0.5;
179 static float mux_max_delay= 0.7;
181 static int64_t recording_time = INT64_MAX;
182 static int64_t start_time = 0;
183 static int64_t rec_timestamp = 0;
184 static int64_t input_ts_offset = 0;
185 static int file_overwrite = 0;
186 static int o_direct = 0;
187 static const char *contract_label = "recorder";
188 static int metadata_count;
189 static AVMetadataTag *metadata;
190 static int do_benchmark = 0;
191 static int do_hex_dump = 0;
192 static int do_pkt_dump = 0;
193 static int do_psnr = 0;
194 static int do_pass = 0;
195 static char *pass_logfilename_prefix = NULL;
196 static int audio_stream_copy = 0;
197 static int video_stream_copy = 0;
198 static int subtitle_stream_copy = 0;
199 static int video_sync_method= -1;
200 static int audio_sync_method= 0;
201 static float audio_drift_threshold= 0.1;
202 static int copy_ts= 0;
203 static int opt_shortest = 0;
204 static int video_global_header = 0;
205 static char *vstats_filename;
206 static FILE *vstats_file;
207 static int opt_programid = 0;
208 static int copy_initial_nonkeyframes = 0;
210 static int rate_emu = 0;
212 static int video_channel = 0;
213 static char *video_standard;
215 static int audio_volume = 256;
217 static int exit_on_error = 0;
218 static int using_stdin = 0;
219 static int verbose = 1;
220 static int thread_count= 1;
221 static int q_pressed = 0;
222 static int64_t video_size = 0;
223 static int64_t audio_size = 0;
224 static int64_t extra_size = 0;
225 static int nb_frames_dup = 0;
226 static int nb_frames_drop = 0;
227 static int input_sync;
228 static uint64_t limit_filesize = 0;
229 static int force_fps = 0;
231 static int pgmyuv_compatibility_hack=0;
232 static float dts_delta_threshold = 10;
234 static unsigned int sws_flags = SWS_BICUBIC;
236 static int64_t timer_start;
238 static uint8_t *audio_buf;
239 static uint8_t *audio_out;
240 static uint8_t *audio_out2;
242 static short *samples;
244 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
245 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
246 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
247 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
249 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
251 struct AVInputStream;
253 typedef struct AVOutputStream {
254 int file_index; /* file index */
255 int index; /* stream index in the output file */
256 int source_index; /* AVInputStream index */
257 AVStream *st; /* stream in the output file */
258 int encoding_needed; /* true if encoding needed for this stream */
260 /* input pts and corresponding output pts
262 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
263 struct AVInputStream *sync_ist; /* input stream to sync against */
264 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
267 AVFrame pict_tmp; /* temporary image for resampling */
268 struct SwsContext *img_resample_ctx; /* for image resampling */
272 int topBand; /* cropping area sizes */
276 int padtop; /* padding area sizes */
283 ReSampleContext *resample; /* for audio resampling */
285 AVAudioConvert *reformat_ctx;
286 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
290 typedef struct AVInputStream {
294 int discard; /* true if stream data should be discarded */
295 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
296 int64_t sample_index; /* current sample */
298 int64_t start; /* time when read started */
299 int64_t next_pts; /* synthetic pts for cases where pkt.pts
301 int64_t pts; /* current pts */
302 int is_start; /* is 1 at the start and after a discontinuity */
305 typedef struct AVInputFile {
306 int eof_reached; /* true if eof reached */
307 int ist_index; /* index of first stream in ist_table */
308 int buffer_size; /* current total buffer size */
309 int nb_streams; /* nb streams we are aware of */
314 /* init terminal so that we can grab keys */
315 static struct termios oldtty;
318 static void term_exit(void)
321 tcsetattr (0, TCSANOW, &oldtty);
325 static volatile sig_atomic_t received_sigterm = 0;
328 sigterm_handler(int sig)
330 received_sigterm = sig;
334 static void term_init(void)
342 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
343 |INLCR|IGNCR|ICRNL|IXON);
344 tty.c_oflag |= OPOST;
345 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
346 tty.c_cflag &= ~(CSIZE|PARENB);
351 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
355 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
356 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
358 register a function to be called at normal program termination
361 #if CONFIG_BEOS_NETSERVER
362 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
366 /* read a key without blocking */
367 static int read_key(void)
372 #if !CONFIG_BEOS_NETSERVER
380 n = select(1, &rfds, NULL, NULL, &tv);
396 static int decode_interrupt_cb(void)
398 return q_pressed || (q_pressed = read_key() == 'q');
401 static int av_exit(int ret)
406 for(i=0;i<nb_output_files;i++) {
407 /* maybe av_close_output_file ??? */
408 AVFormatContext *s = output_files[i];
410 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
412 for(j=0;j<s->nb_streams;j++) {
413 av_metadata_free(&s->streams[j]->metadata);
414 av_free(s->streams[j]->codec);
415 av_free(s->streams[j]);
417 for(j=0;j<s->nb_programs;j++) {
418 av_metadata_free(&s->programs[j]->metadata);
420 for(j=0;j<s->nb_chapters;j++) {
421 av_metadata_free(&s->chapters[j]->metadata);
423 av_metadata_free(&s->metadata);
426 for(i=0;i<nb_input_files;i++)
427 av_close_input_file(input_files[i]);
429 av_free(intra_matrix);
430 av_free(inter_matrix);
434 av_free(vstats_filename);
438 av_free(video_codec_name);
439 av_free(audio_codec_name);
440 av_free(subtitle_codec_name);
442 av_free(video_standard);
444 #if CONFIG_POWERPC_PERF
445 void powerpc_display_perf_report(void);
446 powerpc_display_perf_report();
447 #endif /* CONFIG_POWERPC_PERF */
449 for (i=0;i<CODEC_TYPE_NB;i++)
450 av_free(avcodec_opts[i]);
451 av_free(avformat_opts);
458 if (received_sigterm) {
460 "Received signal %d: terminating.\n",
461 (int) received_sigterm);
465 exit(ret); /* not all OS-es handle main() return value */
469 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
475 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
478 /* copy stream format */
479 s->nb_streams = ic->nb_streams;
480 for(i=0;i<ic->nb_streams;i++) {
483 // FIXME: a more elegant solution is needed
484 st = av_mallocz(sizeof(AVStream));
485 memcpy(st, ic->streams[i], sizeof(AVStream));
486 st->codec = avcodec_alloc_context();
487 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
490 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
492 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
495 if(!st->codec->thread_count)
496 st->codec->thread_count = 1;
497 if(st->codec->thread_count>1)
498 avcodec_thread_init(st->codec, st->codec->thread_count);
500 if(st->codec->flags & CODEC_FLAG_BITEXACT)
505 s->timestamp = av_gettime();
507 av_close_input_file(ic);
512 get_sync_ipts(const AVOutputStream *ost)
514 const AVInputStream *ist = ost->sync_ist;
515 return (double)(ist->pts - start_time)/AV_TIME_BASE;
518 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
522 AVPacket new_pkt= *pkt;
523 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
524 &new_pkt.data, &new_pkt.size,
525 pkt->data, pkt->size,
526 pkt->flags & PKT_FLAG_KEY);
529 new_pkt.destruct= av_destruct_packet;
531 fprintf(stderr, "%s failed for stream %d, codec %s",
532 bsfc->filter->name, pkt->stream_index,
533 avctx->codec ? avctx->codec->name : "copy");
543 ret= av_interleaved_write_frame(s, pkt);
545 print_error("av_interleaved_write_frame()", ret);
550 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
552 static void do_audio_out(AVFormatContext *s,
555 unsigned char *buf, int size)
558 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
560 int size_out, frame_bytes, ret;
561 AVCodecContext *enc= ost->st->codec;
562 AVCodecContext *dec= ist->st->codec;
563 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
564 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
566 /* SC: dynamic allocation of buffers */
568 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
570 audio_out = av_malloc(audio_out_size);
571 if (!audio_buf || !audio_out)
572 return; /* Should signal an error ! */
574 if (enc->channels != dec->channels)
575 ost->audio_resample = 1;
577 if (ost->audio_resample && !ost->resample) {
578 if (dec->sample_fmt != SAMPLE_FMT_S16)
579 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
580 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
581 enc->sample_rate, dec->sample_rate,
582 enc->sample_fmt, dec->sample_fmt,
584 if (!ost->resample) {
585 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
586 dec->channels, dec->sample_rate,
587 enc->channels, enc->sample_rate);
592 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
593 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
594 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
596 audio_out2 = av_malloc(audio_out_size);
599 if (ost->reformat_ctx)
600 av_audio_convert_free(ost->reformat_ctx);
601 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
602 dec->sample_fmt, 1, NULL, 0);
603 if (!ost->reformat_ctx) {
604 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
605 avcodec_get_sample_fmt_name(dec->sample_fmt),
606 avcodec_get_sample_fmt_name(enc->sample_fmt));
609 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
612 if(audio_sync_method){
613 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
614 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
615 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
616 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
618 //FIXME resample delay
619 if(fabs(delta) > 50){
620 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
622 byte_delta= FFMAX(byte_delta, -size);
626 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
631 static uint8_t *input_tmp= NULL;
632 input_tmp= av_realloc(input_tmp, byte_delta + size);
634 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
637 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
639 memset(input_tmp, 0, byte_delta);
640 memcpy(input_tmp + byte_delta, buf, size);
644 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
646 }else if(audio_sync_method>1){
647 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
648 assert(ost->audio_resample);
650 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
651 // 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));
652 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
656 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
657 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
659 if (ost->audio_resample) {
661 size_out = audio_resample(ost->resample,
662 (short *)buftmp, (short *)buf,
663 size / (ist->st->codec->channels * isize));
664 size_out = size_out * enc->channels * osize;
670 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
671 const void *ibuf[6]= {buftmp};
672 void *obuf[6]= {audio_out2};
673 int istride[6]= {isize};
674 int ostride[6]= {osize};
675 int len= size_out/istride[0];
676 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
677 printf("av_audio_convert() failed\n");
683 size_out = len*osize;
686 /* now encode as many frames as possible */
687 if (enc->frame_size > 1) {
688 /* output resampled raw samples */
689 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
690 fprintf(stderr, "av_fifo_realloc2() failed\n");
693 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
695 frame_bytes = enc->frame_size * osize * enc->channels;
697 while (av_fifo_size(ost->fifo) >= frame_bytes) {
699 av_init_packet(&pkt);
701 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
703 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
705 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
708 fprintf(stderr, "Audio encoding failed\n");
712 pkt.stream_index= ost->index;
715 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
716 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
717 pkt.flags |= PKT_FLAG_KEY;
718 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
720 ost->sync_opts += enc->frame_size;
724 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
725 av_init_packet(&pkt);
727 ost->sync_opts += size_out / (osize * enc->channels);
729 /* output a pcm frame */
730 /* determine the size of the coded buffer */
733 size_out *= coded_bps;
735 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
736 ret = avcodec_encode_audio(enc, audio_out, size_out,
739 fprintf(stderr, "Audio encoding failed\n");
743 pkt.stream_index= ost->index;
746 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
747 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
748 pkt.flags |= PKT_FLAG_KEY;
749 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
753 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
757 AVPicture picture_tmp;
760 dec = ist->st->codec;
762 /* deinterlace : must be done before any resize */
763 if (do_deinterlace) {
766 /* create temporary picture */
767 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
768 buf = av_malloc(size);
772 picture2 = &picture_tmp;
773 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
776 if(avpicture_deinterlace(picture2, picture,
777 dec->pix_fmt, dec->width, dec->height) < 0) {
778 /* if error, do not deinterlace */
779 fprintf(stderr, "Deinterlacing failed\n");
785 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
791 if (picture != picture2)
792 *picture = *picture2;
796 /* we begin to correct av delay at this threshold */
797 #define AV_DELAY_MAX 0.100
799 static void do_subtitle_out(AVFormatContext *s,
805 static uint8_t *subtitle_out = NULL;
806 int subtitle_out_max_size = 65536;
807 int subtitle_out_size, nb, i;
811 if (pts == AV_NOPTS_VALUE) {
812 fprintf(stderr, "Subtitle packets must have a pts\n");
818 enc = ost->st->codec;
821 subtitle_out = av_malloc(subtitle_out_max_size);
824 /* Note: DVB subtitle need one packet to draw them and one other
825 packet to clear them */
826 /* XXX: signal it in the codec context ? */
827 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
832 for(i = 0; i < nb; i++) {
833 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
834 subtitle_out_max_size, sub);
836 av_init_packet(&pkt);
837 pkt.stream_index = ost->index;
838 pkt.data = subtitle_out;
839 pkt.size = subtitle_out_size;
840 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
841 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
842 /* XXX: the pts correction is handled here. Maybe handling
843 it in the codec would be better */
845 pkt.pts += 90 * sub->start_display_time;
847 pkt.pts += 90 * sub->end_display_time;
849 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
853 static int bit_buffer_size= 1024*256;
854 static uint8_t *bit_buffer= NULL;
856 static void do_video_out(AVFormatContext *s,
862 int nb_frames, i, ret;
863 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
864 AVFrame picture_crop_temp, picture_pad_temp;
865 AVCodecContext *enc, *dec;
867 avcodec_get_frame_defaults(&picture_crop_temp);
868 avcodec_get_frame_defaults(&picture_pad_temp);
870 enc = ost->st->codec;
871 dec = ist->st->codec;
873 /* by default, we output a single frame */
878 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
880 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
881 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
884 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
888 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
889 }else if (vdelta > 1.1)
890 nb_frames = lrintf(vdelta);
891 //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);
895 fprintf(stderr, "*** drop!\n");
896 }else if (nb_frames > 1) {
897 nb_frames_dup += nb_frames;
899 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
902 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
904 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
908 if (ost->video_crop) {
909 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
910 fprintf(stderr, "error cropping picture\n");
915 formatted_picture = &picture_crop_temp;
917 formatted_picture = in_picture;
920 final_picture = formatted_picture;
921 padding_src = formatted_picture;
922 resampling_dst = &ost->pict_tmp;
923 if (ost->video_pad) {
924 final_picture = &ost->pict_tmp;
925 if (ost->video_resample) {
926 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
927 fprintf(stderr, "error padding picture\n");
932 resampling_dst = &picture_pad_temp;
936 if (ost->video_resample) {
938 final_picture = &ost->pict_tmp;
939 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
940 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
943 if (ost->video_pad) {
944 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
945 enc->height, enc->width, enc->pix_fmt,
946 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
949 /* duplicates frame if needed */
950 for(i=0;i<nb_frames;i++) {
952 av_init_packet(&pkt);
953 pkt.stream_index= ost->index;
955 if (s->oformat->flags & AVFMT_RAWPICTURE) {
956 /* raw pictures are written as AVPicture structure to
957 avoid any copies. We support temorarily the older
959 AVFrame* old_frame = enc->coded_frame;
960 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
961 pkt.data= (uint8_t *)final_picture;
962 pkt.size= sizeof(AVPicture);
963 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
964 pkt.flags |= PKT_FLAG_KEY;
966 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
967 enc->coded_frame = old_frame;
971 big_picture= *final_picture;
972 /* better than nothing: use input picture interlaced
974 big_picture.interlaced_frame = in_picture->interlaced_frame;
975 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
976 if(top_field_first == -1)
977 big_picture.top_field_first = in_picture->top_field_first;
979 big_picture.top_field_first = top_field_first;
982 /* handles sameq here. This is not correct because it may
983 not be a global option */
985 big_picture.quality = ist->st->quality;
987 big_picture.quality = ost->st->quality;
989 big_picture.pict_type = 0;
990 // big_picture.pts = AV_NOPTS_VALUE;
991 big_picture.pts= ost->sync_opts;
992 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
993 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
994 ret = avcodec_encode_video(enc,
995 bit_buffer, bit_buffer_size,
998 fprintf(stderr, "Video encoding failed\n");
1001 //enc->frame_number = enc->real_pict_num;
1003 pkt.data= bit_buffer;
1005 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1006 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1007 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1008 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1009 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1011 if(enc->coded_frame->key_frame)
1012 pkt.flags |= PKT_FLAG_KEY;
1013 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1016 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1017 // enc->frame_number-1, enc->real_pict_num, ret,
1019 /* if two pass, output log */
1020 if (ost->logfile && enc->stats_out) {
1021 fprintf(ost->logfile, "%s", enc->stats_out);
1026 ost->frame_number++;
1030 static double psnr(double d){
1031 return -10.0*log(d)/log(10.0);
1034 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1037 AVCodecContext *enc;
1039 double ti1, bitrate, avg_bitrate;
1041 /* this is executed just the first time do_video_stats is called */
1043 vstats_file = fopen(vstats_filename, "w");
1050 enc = ost->st->codec;
1051 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1052 frame_number = ost->frame_number;
1053 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1054 if (enc->flags&CODEC_FLAG_PSNR)
1055 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1057 fprintf(vstats_file,"f_size= %6d ", frame_size);
1058 /* compute pts value */
1059 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1063 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1064 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1065 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1066 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1067 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1071 static void print_report(AVFormatContext **output_files,
1072 AVOutputStream **ost_table, int nb_ostreams,
1076 AVOutputStream *ost;
1077 AVFormatContext *oc;
1079 AVCodecContext *enc;
1080 int frame_number, vid, i;
1081 double bitrate, ti1, pts;
1082 static int64_t last_time = -1;
1083 static int qp_histogram[52];
1085 if (!is_last_report) {
1087 /* display the report every 0.5 seconds */
1088 cur_time = av_gettime();
1089 if (last_time == -1) {
1090 last_time = cur_time;
1093 if ((cur_time - last_time) < 500000)
1095 last_time = cur_time;
1099 oc = output_files[0];
1101 total_size = url_fsize(oc->pb);
1102 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1103 total_size= url_ftell(oc->pb);
1108 for(i=0;i<nb_ostreams;i++) {
1110 enc = ost->st->codec;
1111 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1112 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1113 !ost->st->stream_copy ?
1114 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1116 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1117 float t = (av_gettime()-timer_start) / 1000000.0;
1119 frame_number = ost->frame_number;
1120 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1121 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1122 !ost->st->stream_copy ?
1123 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1125 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1128 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1129 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1132 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1134 if (enc->flags&CODEC_FLAG_PSNR){
1136 double error, error_sum=0;
1137 double scale, scale_sum=0;
1138 char type[3]= {'Y','U','V'};
1139 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1142 error= enc->error[j];
1143 scale= enc->width*enc->height*255.0*255.0*frame_number;
1145 error= enc->coded_frame->error[j];
1146 scale= enc->width*enc->height*255.0*255.0;
1151 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1153 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1157 /* compute min output value */
1158 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1159 if ((pts < ti1) && (pts > 0))
1165 if (verbose || is_last_report) {
1166 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1168 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1169 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1170 (double)total_size / 1024, ti1, bitrate);
1173 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1174 nb_frames_dup, nb_frames_drop);
1177 fprintf(stderr, "%s \r", buf);
1182 if (is_last_report && verbose >= 0){
1183 int64_t raw= audio_size + video_size + extra_size;
1184 fprintf(stderr, "\n");
1185 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1189 100.0*(total_size - raw)/raw
1194 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1195 static int output_packet(AVInputStream *ist, int ist_index,
1196 AVOutputStream **ost_table, int nb_ostreams,
1197 const AVPacket *pkt)
1199 AVFormatContext *os;
1200 AVOutputStream *ost;
1203 int data_size, got_picture;
1205 void *buffer_to_free;
1206 static unsigned int samples_size= 0;
1207 AVSubtitle subtitle, *subtitle_to_free;
1211 if(ist->next_pts == AV_NOPTS_VALUE)
1212 ist->next_pts= ist->pts;
1216 av_init_packet(&avpkt);
1224 if(pkt->dts != AV_NOPTS_VALUE)
1225 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1227 //while we have more to decode or while the decoder did output something on EOF
1228 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1230 ist->pts= ist->next_pts;
1232 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1233 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1235 /* decode the packet if needed */
1236 data_buf = NULL; /* fail safe */
1238 subtitle_to_free = NULL;
1239 if (ist->decoding_needed) {
1240 switch(ist->st->codec->codec_type) {
1241 case CODEC_TYPE_AUDIO:{
1242 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1243 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1245 samples= av_malloc(samples_size);
1247 data_size= samples_size;
1248 /* XXX: could avoid copy if PCM 16 bits with same
1249 endianness as CPU */
1250 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1256 /* Some bug in mpeg audio decoder gives */
1257 /* data_size < 0, it seems they are overflows */
1258 if (data_size <= 0) {
1259 /* no audio frame */
1262 data_buf = (uint8_t *)samples;
1263 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1264 (ist->st->codec->sample_rate * ist->st->codec->channels);
1266 case CODEC_TYPE_VIDEO:
1267 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1268 /* XXX: allocate picture correctly */
1269 avcodec_get_frame_defaults(&picture);
1270 ret = avcodec_decode_video2(ist->st->codec,
1271 &picture, &got_picture, &avpkt);
1272 if (picture.key_frame)
1274 ist->st->quality= picture.quality;
1278 /* no picture yet */
1279 goto discard_packet;
1281 if (ist->st->codec->time_base.num != 0) {
1282 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1283 ist->next_pts += ((int64_t)AV_TIME_BASE *
1284 ist->st->codec->time_base.num * ticks) /
1285 ist->st->codec->time_base.den;
1289 case CODEC_TYPE_SUBTITLE:
1290 ret = avcodec_decode_subtitle2(ist->st->codec,
1291 &subtitle, &got_subtitle, &avpkt);
1294 if (!got_subtitle) {
1295 goto discard_packet;
1297 subtitle_to_free = &subtitle;
1304 switch(ist->st->codec->codec_type) {
1305 case CODEC_TYPE_AUDIO:
1306 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1307 ist->st->codec->sample_rate;
1309 case CODEC_TYPE_VIDEO:
1310 if (ist->st->codec->time_base.num != 0) {
1311 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1312 ist->next_pts += ((int64_t)AV_TIME_BASE *
1313 ist->st->codec->time_base.num * ticks) /
1314 ist->st->codec->time_base.den;
1318 data_buf = avpkt.data;
1319 data_size = avpkt.size;
1324 buffer_to_free = NULL;
1325 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1326 pre_process_video_frame(ist, (AVPicture *)&picture,
1330 // preprocess audio (volume)
1331 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1332 if (audio_volume != 256) {
1335 for(i=0;i<(data_size / sizeof(short));i++) {
1336 int v = ((*volp) * audio_volume + 128) >> 8;
1337 if (v < -32768) v = -32768;
1338 if (v > 32767) v = 32767;
1344 /* frame rate emulation */
1346 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1347 int64_t now = av_gettime() - ist->start;
1352 /* if output time reached then transcode raw format,
1353 encode packets and output them */
1354 if (start_time == 0 || ist->pts >= start_time)
1355 for(i=0;i<nb_ostreams;i++) {
1359 if (ost->source_index == ist_index) {
1360 os = output_files[ost->file_index];
1363 printf("%d: got pts=%0.3f %0.3f\n", i,
1364 (double)pkt->pts / AV_TIME_BASE,
1365 ((double)ist->pts / AV_TIME_BASE) -
1366 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1368 /* set the input output pts pairs */
1369 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1371 if (ost->encoding_needed) {
1372 switch(ost->st->codec->codec_type) {
1373 case CODEC_TYPE_AUDIO:
1374 do_audio_out(os, ost, ist, data_buf, data_size);
1376 case CODEC_TYPE_VIDEO:
1377 do_video_out(os, ost, ist, &picture, &frame_size);
1378 if (vstats_filename && frame_size)
1379 do_video_stats(os, ost, frame_size);
1381 case CODEC_TYPE_SUBTITLE:
1382 do_subtitle_out(os, ost, ist, &subtitle,
1389 AVFrame avframe; //FIXME/XXX remove this
1391 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1393 av_init_packet(&opkt);
1395 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1398 /* no reencoding needed : output the packet directly */
1399 /* force the input stream PTS */
1401 avcodec_get_frame_defaults(&avframe);
1402 ost->st->codec->coded_frame= &avframe;
1403 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1405 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1406 audio_size += data_size;
1407 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1408 video_size += data_size;
1412 opkt.stream_index= ost->index;
1413 if(pkt->pts != AV_NOPTS_VALUE)
1414 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1416 opkt.pts= AV_NOPTS_VALUE;
1418 if (pkt->dts == AV_NOPTS_VALUE)
1419 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1421 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1422 opkt.dts -= ost_tb_start_time;
1424 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1425 opkt.flags= pkt->flags;
1427 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1428 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1429 opkt.destruct= av_destruct_packet;
1431 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1432 ost->st->codec->frame_number++;
1433 ost->frame_number++;
1434 av_free_packet(&opkt);
1438 av_free(buffer_to_free);
1439 /* XXX: allocate the subtitles in the codec ? */
1440 if (subtitle_to_free) {
1441 if (subtitle_to_free->rects != NULL) {
1442 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1443 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1444 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1445 av_freep(&subtitle_to_free->rects[i]);
1447 av_freep(&subtitle_to_free->rects);
1449 subtitle_to_free->num_rects = 0;
1450 subtitle_to_free = NULL;
1457 for(i=0;i<nb_ostreams;i++) {
1459 if (ost->source_index == ist_index) {
1460 AVCodecContext *enc= ost->st->codec;
1461 os = output_files[ost->file_index];
1463 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1465 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1468 if (ost->encoding_needed) {
1472 av_init_packet(&pkt);
1473 pkt.stream_index= ost->index;
1475 switch(ost->st->codec->codec_type) {
1476 case CODEC_TYPE_AUDIO:
1477 fifo_bytes = av_fifo_size(ost->fifo);
1479 /* encode any samples remaining in fifo */
1480 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1481 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1482 int fs_tmp = enc->frame_size;
1483 enc->frame_size = fifo_bytes / (osize * enc->channels);
1484 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1485 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1486 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1487 ost->st->time_base.num, enc->sample_rate);
1488 enc->frame_size = fs_tmp;
1491 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1494 fprintf(stderr, "Audio encoding failed\n");
1498 pkt.flags |= PKT_FLAG_KEY;
1500 case CODEC_TYPE_VIDEO:
1501 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1503 fprintf(stderr, "Video encoding failed\n");
1507 if(enc->coded_frame && enc->coded_frame->key_frame)
1508 pkt.flags |= PKT_FLAG_KEY;
1509 if (ost->logfile && enc->stats_out) {
1510 fprintf(ost->logfile, "%s", enc->stats_out);
1519 pkt.data= bit_buffer;
1521 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1522 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1523 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1535 static void print_sdp(AVFormatContext **avc, int n)
1539 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1540 printf("SDP:\n%s\n", sdp);
1544 static int stream_index_from_inputs(AVFormatContext **input_files,
1546 AVInputFile *file_table,
1547 AVInputStream **ist_table,
1548 enum CodecType type,
1552 for(z=0; z<nb_input_files; z++) {
1553 AVFormatContext *ic = input_files[z];
1554 for(p=0; p<ic->nb_programs; p++) {
1555 AVProgram *program = ic->programs[p];
1556 if(program->id != programid)
1558 for(q=0; q<program->nb_stream_indexes; q++) {
1559 int sidx = program->stream_index[q];
1560 int ris = file_table[z].ist_index + sidx;
1561 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1571 timespec_subtract (struct timespec *result,
1575 /* Perform the carry for the later subtraction by updating Y. */
1576 if (x->tv_nsec < y->tv_nsec) {
1577 int num_sec = (y->tv_nsec - x->tv_nsec) / 1000000000 + 1;
1578 y->tv_nsec -= 1000000000 * num_sec;
1579 y->tv_sec += num_sec;
1581 if (x->tv_nsec - y->tv_nsec > 1000000000) {
1582 int num_sec = (x->tv_nsec - y->tv_nsec) / 1000000000;
1583 y->tv_nsec += 1000000000 * num_sec;
1584 y->tv_sec -= num_sec;
1587 /* Compute the time remaining to wait.
1588 `tv_nsec' is certainly positive. */
1589 result->tv_sec = x->tv_sec - y->tv_sec;
1590 result->tv_nsec = x->tv_nsec - y->tv_nsec;
1592 /* Return 1 if result is negative. */
1593 return x->tv_sec < y->tv_sec;
1596 #ifdef CONFIG_FFMPEG_WITH_FRSH
1597 frsh_vres_id_t disk_vres;
1598 frsh_vres_id_t cpu_vres;
1599 frsh_contract_t cpu_contract;
1600 frsh_contract_t disk_contract;
1606 static struct timespec start = {0,0};
1607 struct timespec end, d;
1608 static int f = -1; /* number interframe intevals elapsed */
1610 static double ifi_avg=0, ifi_var=0;
1612 clock_gettime(CLOCK_MONOTONIC, &end);
1613 timespec_subtract(&d, &end, &start);
1615 goto out; /* First run */
1616 ifi = (double)d.tv_sec + 1e-9*d.tv_nsec;
1617 #define SQ(x) ((x)*(x))
1618 ifi_var = ifi_var*(f-1)/f + (double)(f-1)/SQ(f)*SQ(ifi-ifi_avg);
1619 ifi_avg = ifi_avg*(f-1)/f + (double)ifi/f;
1620 printf("%5d: interframe interval = 1/%5.2lf s avg=1/%.2f stddev=1/%3.2f\n",
1621 f, 1/ifi, 1/ifi_avg, 1/sqrt(ifi_var));
1623 #ifdef CONFIG_FFMPEG_WITH_FRSH
1624 if (renegotiate == f) {
1625 frsh_contract_renegotiate_sync(&cpu_contract, cpu_vres);
1626 if (last_rtp_contract && last_rtp_vres)
1627 frsh_contract_renegotiate_sync(&last_rtp_contract, last_rtp_vres);
1635 * The following code is the main loop of the file converter
1637 static int av_encode(AVFormatContext **output_files,
1638 int nb_output_files,
1639 AVFormatContext **input_files,
1641 AVStreamMap *stream_maps, int nb_stream_maps)
1643 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1644 AVFormatContext *is, *os;
1645 AVCodecContext *codec, *icodec;
1646 AVOutputStream *ost, **ost_table = NULL;
1647 AVInputStream *ist, **ist_table = NULL;
1648 AVInputFile *file_table;
1652 uint8_t no_packet[MAX_FILES]={0};
1653 int no_packet_count=0;
1655 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1659 /* input stream init */
1661 for(i=0;i<nb_input_files;i++) {
1662 is = input_files[i];
1663 file_table[i].ist_index = j;
1664 file_table[i].nb_streams = is->nb_streams;
1665 j += is->nb_streams;
1669 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1673 for(i=0;i<nb_istreams;i++) {
1674 ist = av_mallocz(sizeof(AVInputStream));
1680 for(i=0;i<nb_input_files;i++) {
1681 is = input_files[i];
1682 for(k=0;k<is->nb_streams;k++) {
1683 ist = ist_table[j++];
1684 ist->st = is->streams[k];
1685 ist->file_index = i;
1687 ist->discard = 1; /* the stream is discarded by default
1691 ist->start = av_gettime();
1696 /* output stream init */
1698 for(i=0;i<nb_output_files;i++) {
1699 os = output_files[i];
1700 if (!os->nb_streams) {
1701 dump_format(output_files[i], i, output_files[i]->filename, 1);
1702 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1705 nb_ostreams += os->nb_streams;
1707 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1708 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1712 /* Sanity check the mapping args -- do the input files & streams exist? */
1713 for(i=0;i<nb_stream_maps;i++) {
1714 int fi = stream_maps[i].file_index;
1715 int si = stream_maps[i].stream_index;
1717 if (fi < 0 || fi > nb_input_files - 1 ||
1718 si < 0 || si > file_table[fi].nb_streams - 1) {
1719 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1722 fi = stream_maps[i].sync_file_index;
1723 si = stream_maps[i].sync_stream_index;
1724 if (fi < 0 || fi > nb_input_files - 1 ||
1725 si < 0 || si > file_table[fi].nb_streams - 1) {
1726 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1731 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1734 for(i=0;i<nb_ostreams;i++) {
1735 ost = av_mallocz(sizeof(AVOutputStream));
1742 for(k=0;k<nb_output_files;k++) {
1743 os = output_files[k];
1744 for(i=0;i<os->nb_streams;i++,n++) {
1747 ost->file_index = k;
1749 ost->st = os->streams[i];
1750 if (nb_stream_maps > 0) {
1751 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1752 stream_maps[n].stream_index;
1754 /* Sanity check that the stream types match */
1755 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1756 int i= ost->file_index;
1757 dump_format(output_files[i], i, output_files[i]->filename, 1);
1758 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1759 stream_maps[n].file_index, stream_maps[n].stream_index,
1760 ost->file_index, ost->index);
1767 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1769 ost->source_index = j;
1773 /* get corresponding input stream index : we select the first one with the right type */
1775 for(j=0;j<nb_istreams;j++) {
1778 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1779 ost->source_index = j;
1787 if(! opt_programid) {
1788 /* try again and reuse existing stream */
1789 for(j=0;j<nb_istreams;j++) {
1791 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1792 ost->source_index = j;
1798 int i= ost->file_index;
1799 dump_format(output_files[i], i, output_files[i]->filename, 1);
1800 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1801 ost->file_index, ost->index);
1806 ist = ist_table[ost->source_index];
1808 ost->sync_ist = (nb_stream_maps > 0) ?
1809 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1810 stream_maps[n].sync_stream_index] : ist;
1814 /* for each output stream, we compute the right encoding parameters */
1815 for(i=0;i<nb_ostreams;i++) {
1816 AVMetadataTag *lang;
1818 os = output_files[ost->file_index];
1819 ist = ist_table[ost->source_index];
1821 codec = ost->st->codec;
1822 icodec = ist->st->codec;
1824 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1825 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1826 av_metadata_set(&ost->st->metadata, "language", lang->value);
1828 ost->st->disposition = ist->st->disposition;
1829 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1830 codec->chroma_sample_location = icodec->chroma_sample_location;
1832 if (ost->st->stream_copy) {
1833 /* if stream_copy is selected, no need to decode or encode */
1834 codec->codec_id = icodec->codec_id;
1835 codec->codec_type = icodec->codec_type;
1837 if(!codec->codec_tag){
1838 if( !os->oformat->codec_tag
1839 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1840 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1841 codec->codec_tag = icodec->codec_tag;
1844 codec->bit_rate = icodec->bit_rate;
1845 codec->extradata= icodec->extradata;
1846 codec->extradata_size= icodec->extradata_size;
1847 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){
1848 codec->time_base = icodec->time_base;
1849 codec->time_base.num *= icodec->ticks_per_frame;
1851 codec->time_base = ist->st->time_base;
1852 switch(codec->codec_type) {
1853 case CODEC_TYPE_AUDIO:
1854 if(audio_volume != 256) {
1855 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1858 codec->channel_layout = icodec->channel_layout;
1859 codec->sample_rate = icodec->sample_rate;
1860 codec->channels = icodec->channels;
1861 codec->frame_size = icodec->frame_size;
1862 codec->block_align= icodec->block_align;
1863 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1864 codec->block_align= 0;
1865 if(codec->codec_id == CODEC_ID_AC3)
1866 codec->block_align= 0;
1868 case CODEC_TYPE_VIDEO:
1869 codec->pix_fmt = icodec->pix_fmt;
1870 codec->width = icodec->width;
1871 codec->height = icodec->height;
1872 codec->has_b_frames = icodec->has_b_frames;
1874 case CODEC_TYPE_SUBTITLE:
1875 codec->width = icodec->width;
1876 codec->height = icodec->height;
1882 switch(codec->codec_type) {
1883 case CODEC_TYPE_AUDIO:
1884 ost->fifo= av_fifo_alloc(1024);
1887 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1888 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1889 icodec->request_channels = codec->channels;
1890 ist->decoding_needed = 1;
1891 ost->encoding_needed = 1;
1893 case CODEC_TYPE_VIDEO:
1894 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1895 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1896 ost->video_resample = ((codec->width != icodec->width -
1897 (frame_leftBand + frame_rightBand) +
1898 (frame_padleft + frame_padright)) ||
1899 (codec->height != icodec->height -
1900 (frame_topBand + frame_bottomBand) +
1901 (frame_padtop + frame_padbottom)) ||
1902 (codec->pix_fmt != icodec->pix_fmt));
1903 if (ost->video_crop) {
1904 ost->topBand = frame_topBand;
1905 ost->leftBand = frame_leftBand;
1907 if (ost->video_pad) {
1908 ost->padtop = frame_padtop;
1909 ost->padleft = frame_padleft;
1910 ost->padbottom = frame_padbottom;
1911 ost->padright = frame_padright;
1912 if (!ost->video_resample) {
1913 avcodec_get_frame_defaults(&ost->pict_tmp);
1914 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1915 codec->width, codec->height))
1919 if (ost->video_resample) {
1920 avcodec_get_frame_defaults(&ost->pict_tmp);
1921 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1922 codec->width, codec->height)) {
1923 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1926 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1927 ost->img_resample_ctx = sws_getContext(
1928 icodec->width - (frame_leftBand + frame_rightBand),
1929 icodec->height - (frame_topBand + frame_bottomBand),
1931 codec->width - (frame_padleft + frame_padright),
1932 codec->height - (frame_padtop + frame_padbottom),
1934 sws_flags, NULL, NULL, NULL);
1935 if (ost->img_resample_ctx == NULL) {
1936 fprintf(stderr, "Cannot get resampling context\n");
1939 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1940 codec->bits_per_raw_sample= 0;
1942 ost->encoding_needed = 1;
1943 ist->decoding_needed = 1;
1945 case CODEC_TYPE_SUBTITLE:
1946 ost->encoding_needed = 1;
1947 ist->decoding_needed = 1;
1954 if (ost->encoding_needed &&
1955 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1956 char logfilename[1024];
1961 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1962 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1964 if (codec->flags & CODEC_FLAG_PASS1) {
1965 f = fopen(logfilename, "w");
1967 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1972 /* read the log file */
1973 f = fopen(logfilename, "r");
1975 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1978 fseek(f, 0, SEEK_END);
1980 fseek(f, 0, SEEK_SET);
1981 logbuffer = av_malloc(size + 1);
1983 fprintf(stderr, "Could not allocate log buffer\n");
1986 size = fread(logbuffer, 1, size, f);
1988 logbuffer[size] = '\0';
1989 codec->stats_in = logbuffer;
1993 if(codec->codec_type == CODEC_TYPE_VIDEO){
1994 int size= codec->width * codec->height;
1995 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2000 bit_buffer = av_malloc(bit_buffer_size);
2002 ret = AVERROR(ENOMEM);
2006 /* open each encoder */
2007 for(i=0;i<nb_ostreams;i++) {
2009 if (ost->encoding_needed) {
2010 AVCodec *codec = output_codecs[i];
2012 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2014 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
2015 ost->file_index, ost->index);
2016 ret = AVERROR(EINVAL);
2019 if (avcodec_open(ost->st->codec, codec) < 0) {
2020 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2021 ost->file_index, ost->index);
2022 ret = AVERROR(EINVAL);
2025 extra_size += ost->st->codec->extradata_size;
2029 /* open each decoder */
2030 for(i=0;i<nb_istreams;i++) {
2032 if (ist->decoding_needed) {
2033 AVCodec *codec = input_codecs[i];
2035 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2037 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
2038 ist->st->codec->codec_id, ist->file_index, ist->index);
2039 ret = AVERROR(EINVAL);
2042 if (avcodec_open(ist->st->codec, codec) < 0) {
2043 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
2044 ist->file_index, ist->index);
2045 ret = AVERROR(EINVAL);
2048 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2049 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2054 for(i=0;i<nb_istreams;i++) {
2057 ist->next_pts = AV_NOPTS_VALUE;
2061 /* set meta data information from input file if required */
2062 for (i=0;i<nb_meta_data_maps;i++) {
2063 AVFormatContext *out_file;
2064 AVFormatContext *in_file;
2065 AVMetadataTag *mtag;
2067 int out_file_index = meta_data_maps[i].out_file;
2068 int in_file_index = meta_data_maps[i].in_file;
2069 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2070 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2071 out_file_index, out_file_index, in_file_index);
2072 ret = AVERROR(EINVAL);
2075 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2076 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2077 in_file_index, out_file_index, in_file_index);
2078 ret = AVERROR(EINVAL);
2082 out_file = output_files[out_file_index];
2083 in_file = input_files[in_file_index];
2087 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2088 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2089 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2090 in_file->iformat->metadata_conv);
2093 /* open files and write file headers */
2094 for(i=0;i<nb_output_files;i++) {
2095 os = output_files[i];
2096 if (av_write_header(os) < 0) {
2097 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2098 ret = AVERROR(EINVAL);
2101 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2107 /* dump the file output parameters - cannot be done before in case
2109 for(i=0;i<nb_output_files;i++) {
2110 dump_format(output_files[i], i, output_files[i]->filename, 1);
2113 /* dump the stream mapping */
2115 fprintf(stderr, "Stream mapping:\n");
2116 for(i=0;i<nb_ostreams;i++) {
2118 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2119 ist_table[ost->source_index]->file_index,
2120 ist_table[ost->source_index]->index,
2123 if (ost->sync_ist != ist_table[ost->source_index])
2124 fprintf(stderr, " [sync #%d.%d]",
2125 ost->sync_ist->file_index,
2126 ost->sync_ist->index);
2127 fprintf(stderr, "\n");
2132 fprintf(stderr, "%s\n", error);
2137 print_sdp(output_files, nb_output_files);
2140 if (!using_stdin && verbose >= 0) {
2141 fprintf(stderr, "Press [q] to stop encoding\n");
2142 url_set_interrupt_cb(decode_interrupt_cb);
2146 timer_start = av_gettime();
2148 for(; received_sigterm == 0;) {
2149 int file_index, ist_index;
2157 /* if 'q' pressed, exits */
2161 /* read_key() returns 0 on EOF */
2167 /* select the stream that we must read now by looking at the
2168 smallest output pts */
2170 for(i=0;i<nb_ostreams;i++) {
2173 os = output_files[ost->file_index];
2174 ist = ist_table[ost->source_index];
2175 if(no_packet[ist->file_index])
2177 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2178 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2180 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2181 ipts = (double)ist->pts;
2182 if (!file_table[ist->file_index].eof_reached){
2183 if(ipts < ipts_min) {
2185 if(input_sync ) file_index = ist->file_index;
2187 if(opts < opts_min) {
2189 if(!input_sync) file_index = ist->file_index;
2192 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2197 /* if none, if is finished */
2198 if (file_index < 0) {
2199 if(no_packet_count){
2201 memset(no_packet, 0, sizeof(no_packet));
2208 /* finish if recording time exhausted */
2209 if (opts_min >= (recording_time / 1000000.0))
2212 /* finish if limit size exhausted */
2213 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2216 /* read a frame from it and output it in the fifo */
2217 is = input_files[file_index];
2218 ret= av_read_frame(is, &pkt);
2219 if(ret == AVERROR(EAGAIN)){
2220 no_packet[file_index]=1;
2225 file_table[file_index].eof_reached = 1;
2233 memset(no_packet, 0, sizeof(no_packet));
2236 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2238 /* the following test is needed in case new streams appear
2239 dynamically in stream : we ignore them */
2240 if (pkt.stream_index >= file_table[file_index].nb_streams)
2241 goto discard_packet;
2242 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2243 ist = ist_table[ist_index];
2245 goto discard_packet;
2247 if (pkt.dts != AV_NOPTS_VALUE)
2248 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2249 if (pkt.pts != AV_NOPTS_VALUE)
2250 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2252 if(input_files_ts_scale[file_index][pkt.stream_index]){
2253 if(pkt.pts != AV_NOPTS_VALUE)
2254 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2255 if(pkt.dts != AV_NOPTS_VALUE)
2256 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2259 //av_log(NULL, AV_LOG_ERROR, "timestamp=%"PRId64" %"PRId64"\n", pkt.pts, pkt.dts);
2262 // 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);
2263 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2264 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2265 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2266 int64_t delta= pkt_dts - ist->next_pts;
2267 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2268 input_files_ts_offset[ist->file_index]-= delta;
2270 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2271 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2272 if(pkt.pts != AV_NOPTS_VALUE)
2273 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2277 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2278 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2281 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2282 ist->file_index, ist->index);
2285 av_free_packet(&pkt);
2292 av_free_packet(&pkt);
2294 /* dump report by using the output first video and audio streams */
2295 //print_report(output_files, ost_table, nb_ostreams, 0);
2298 /* at the end of stream, we must flush the decoder buffers */
2299 for(i=0;i<nb_istreams;i++) {
2301 if (ist->decoding_needed) {
2302 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2308 /* write the trailer if needed and close file */
2309 for(i=0;i<nb_output_files;i++) {
2310 os = output_files[i];
2311 av_write_trailer(os);
2314 /* dump report by using the first video and audio streams */
2315 print_report(output_files, ost_table, nb_ostreams, 1);
2317 /* close each encoder */
2318 for(i=0;i<nb_ostreams;i++) {
2320 if (ost->encoding_needed) {
2321 av_freep(&ost->st->codec->stats_in);
2322 avcodec_close(ost->st->codec);
2326 /* close each decoder */
2327 for(i=0;i<nb_istreams;i++) {
2329 if (ist->decoding_needed) {
2330 avcodec_close(ist->st->codec);
2338 av_freep(&bit_buffer);
2339 av_free(file_table);
2342 for(i=0;i<nb_istreams;i++) {
2349 for(i=0;i<nb_ostreams;i++) {
2353 fclose(ost->logfile);
2354 ost->logfile = NULL;
2356 av_fifo_free(ost->fifo); /* works even if fifo is not
2357 initialized but set to zero */
2358 av_free(ost->pict_tmp.data[0]);
2359 if (ost->video_resample)
2360 sws_freeContext(ost->img_resample_ctx);
2362 audio_resample_close(ost->resample);
2363 if (ost->reformat_ctx)
2364 av_audio_convert_free(ost->reformat_ctx);
2374 int file_read(const char *filename)
2377 unsigned char buffer[1024];
2380 if (url_open(&h, filename, O_RDONLY) < 0) {
2381 printf("could not open '%s'\n", filename);
2385 len = url_read(h, buffer, sizeof(buffer));
2388 for(i=0;i<len;i++) putchar(buffer[i]);
2395 static void opt_format(const char *arg)
2397 /* compatibility stuff for pgmyuv */
2398 if (!strcmp(arg, "pgmyuv")) {
2399 pgmyuv_compatibility_hack=1;
2400 // opt_image_format(arg);
2402 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2405 file_iformat = av_find_input_format(arg);
2406 file_oformat = guess_format(arg, NULL, NULL);
2407 if (!file_iformat && !file_oformat) {
2408 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2413 static void opt_video_rc_override_string(const char *arg)
2415 video_rc_override_string = arg;
2418 static int opt_me_threshold(const char *opt, const char *arg)
2420 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2424 static int opt_loglevel(const char *opt, const char *arg)
2426 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2427 av_log_set_level(level);
2431 static int opt_verbose(const char *opt, const char *arg)
2433 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2437 static int opt_frame_rate(const char *opt, const char *arg)
2439 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2440 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2446 static int opt_bitrate(const char *opt, const char *arg)
2448 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2450 opt_default(opt, arg);
2452 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2453 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2458 static void opt_frame_crop_top(const char *arg)
2460 frame_topBand = atoi(arg);
2461 if (frame_topBand < 0) {
2462 fprintf(stderr, "Incorrect top crop size\n");
2465 if ((frame_topBand % 2) != 0) {
2466 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2469 if ((frame_topBand) >= frame_height){
2470 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2473 frame_height -= frame_topBand;
2476 static void opt_frame_crop_bottom(const char *arg)
2478 frame_bottomBand = atoi(arg);
2479 if (frame_bottomBand < 0) {
2480 fprintf(stderr, "Incorrect bottom crop size\n");
2483 if ((frame_bottomBand % 2) != 0) {
2484 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2487 if ((frame_bottomBand) >= frame_height){
2488 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2491 frame_height -= frame_bottomBand;
2494 static void opt_frame_crop_left(const char *arg)
2496 frame_leftBand = atoi(arg);
2497 if (frame_leftBand < 0) {
2498 fprintf(stderr, "Incorrect left crop size\n");
2501 if ((frame_leftBand % 2) != 0) {
2502 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2505 if ((frame_leftBand) >= frame_width){
2506 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2509 frame_width -= frame_leftBand;
2512 static void opt_frame_crop_right(const char *arg)
2514 frame_rightBand = atoi(arg);
2515 if (frame_rightBand < 0) {
2516 fprintf(stderr, "Incorrect right crop size\n");
2519 if ((frame_rightBand % 2) != 0) {
2520 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2523 if ((frame_rightBand) >= frame_width){
2524 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2527 frame_width -= frame_rightBand;
2530 static void opt_frame_size(const char *arg)
2532 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2533 fprintf(stderr, "Incorrect frame size\n");
2536 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2537 fprintf(stderr, "Frame size must be a multiple of 2\n");
2543 #define SCALEBITS 10
2544 #define ONE_HALF (1 << (SCALEBITS - 1))
2545 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2547 #define RGB_TO_Y(r, g, b) \
2548 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2549 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2551 #define RGB_TO_U(r1, g1, b1, shift)\
2552 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2553 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2555 #define RGB_TO_V(r1, g1, b1, shift)\
2556 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2557 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2559 static void opt_pad_color(const char *arg) {
2560 /* Input is expected to be six hex digits similar to
2561 how colors are expressed in html tags (but without the #) */
2562 int rgb = strtol(arg, NULL, 16);
2566 g = ((rgb >> 8) & 255);
2569 padcolor[0] = RGB_TO_Y(r,g,b);
2570 padcolor[1] = RGB_TO_U(r,g,b,0);
2571 padcolor[2] = RGB_TO_V(r,g,b,0);
2574 static void opt_frame_pad_top(const char *arg)
2576 frame_padtop = atoi(arg);
2577 if (frame_padtop < 0) {
2578 fprintf(stderr, "Incorrect top pad size\n");
2581 if ((frame_padtop % 2) != 0) {
2582 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2587 static void opt_frame_pad_bottom(const char *arg)
2589 frame_padbottom = atoi(arg);
2590 if (frame_padbottom < 0) {
2591 fprintf(stderr, "Incorrect bottom pad size\n");
2594 if ((frame_padbottom % 2) != 0) {
2595 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2601 static void opt_frame_pad_left(const char *arg)
2603 frame_padleft = atoi(arg);
2604 if (frame_padleft < 0) {
2605 fprintf(stderr, "Incorrect left pad size\n");
2608 if ((frame_padleft % 2) != 0) {
2609 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2615 static void opt_frame_pad_right(const char *arg)
2617 frame_padright = atoi(arg);
2618 if (frame_padright < 0) {
2619 fprintf(stderr, "Incorrect right pad size\n");
2622 if ((frame_padright % 2) != 0) {
2623 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2628 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2632 for (i=-1; i < nb_fmts; i++) {
2633 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2634 fprintf(stdout, "%s\n", fmt_str);
2638 static void opt_frame_pix_fmt(const char *arg)
2640 if (strcmp(arg, "list")) {
2641 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2642 if (frame_pix_fmt == PIX_FMT_NONE) {
2643 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2647 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2652 static void opt_frame_aspect_ratio(const char *arg)
2659 p = strchr(arg, ':');
2661 x = strtol(arg, &end, 10);
2663 y = strtol(end+1, &end, 10);
2665 ar = (double)x / (double)y;
2667 ar = strtod(arg, NULL);
2670 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2673 frame_aspect_ratio = ar;
2676 static int opt_metadata(const char *opt, const char *arg)
2678 char *mid= strchr(arg, '=');
2681 fprintf(stderr, "Missing =\n");
2687 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2688 metadata[metadata_count-1].key = av_strdup(arg);
2689 metadata[metadata_count-1].value= av_strdup(mid);
2694 static void opt_qscale(const char *arg)
2696 video_qscale = atof(arg);
2697 if (video_qscale <= 0 ||
2698 video_qscale > 255) {
2699 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2704 static void opt_top_field_first(const char *arg)
2706 top_field_first= atoi(arg);
2709 static int opt_thread_count(const char *opt, const char *arg)
2711 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2714 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2719 static void opt_audio_sample_fmt(const char *arg)
2721 if (strcmp(arg, "list"))
2722 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2724 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2729 static int opt_audio_rate(const char *opt, const char *arg)
2731 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2735 static int opt_audio_channels(const char *opt, const char *arg)
2737 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2741 static void opt_video_channel(const char *arg)
2743 video_channel = strtol(arg, NULL, 0);
2746 static void opt_video_standard(const char *arg)
2748 video_standard = av_strdup(arg);
2751 static void opt_codec(int *pstream_copy, char **pcodec_name,
2752 int codec_type, const char *arg)
2754 av_freep(pcodec_name);
2755 if (!strcmp(arg, "copy")) {
2758 *pcodec_name = av_strdup(arg);
2762 static void opt_audio_codec(const char *arg)
2764 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2767 static void opt_audio_tag(const char *arg)
2770 audio_codec_tag= strtol(arg, &tail, 0);
2773 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2776 static void opt_video_tag(const char *arg)
2779 video_codec_tag= strtol(arg, &tail, 0);
2782 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2785 static void opt_video_codec(const char *arg)
2787 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2790 static void opt_subtitle_codec(const char *arg)
2792 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2795 static void opt_subtitle_tag(const char *arg)
2798 subtitle_codec_tag= strtol(arg, &tail, 0);
2801 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2804 static void opt_map(const char *arg)
2809 m = &stream_maps[nb_stream_maps++];
2811 m->file_index = strtol(arg, &p, 0);
2815 m->stream_index = strtol(p, &p, 0);
2818 m->sync_file_index = strtol(p, &p, 0);
2821 m->sync_stream_index = strtol(p, &p, 0);
2823 m->sync_file_index = m->file_index;
2824 m->sync_stream_index = m->stream_index;
2828 static void opt_map_meta_data(const char *arg)
2833 m = &meta_data_maps[nb_meta_data_maps++];
2835 m->out_file = strtol(arg, &p, 0);
2839 m->in_file = strtol(p, &p, 0);
2842 static void opt_input_ts_scale(const char *arg)
2844 unsigned int stream;
2848 stream = strtol(arg, &p, 0);
2851 scale= strtod(p, &p);
2853 if(stream >= MAX_STREAMS)
2856 input_files_ts_scale[nb_input_files][stream]= scale;
2859 static int opt_recording_time(const char *opt, const char *arg)
2861 recording_time = parse_time_or_die(opt, arg, 1);
2865 static int opt_start_time(const char *opt, const char *arg)
2867 start_time = parse_time_or_die(opt, arg, 1);
2871 static int opt_rec_timestamp(const char *opt, const char *arg)
2873 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2877 static int opt_input_ts_offset(const char *opt, const char *arg)
2879 input_ts_offset = parse_time_or_die(opt, arg, 1);
2883 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2885 const char *codec_string = encoder ? "encoder" : "decoder";
2889 return CODEC_ID_NONE;
2891 avcodec_find_encoder_by_name(name) :
2892 avcodec_find_decoder_by_name(name);
2894 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2897 if(codec->type != type) {
2898 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2904 static void opt_contract_label(const char *label)
2906 contract_label = label;
2909 static void opt_input_file(const char *filename)
2911 AVFormatContext *ic;
2912 AVFormatParameters params, *ap = ¶ms;
2913 int err, i, ret, rfps, rfps_base;
2916 if (!strcmp(filename, "-"))
2919 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2920 !strcmp(filename, "/dev/stdin");
2922 /* get default parameters from command line */
2923 ic = avformat_alloc_context();
2925 memset(ap, 0, sizeof(*ap));
2926 ap->prealloced_context = 1;
2927 ap->sample_rate = audio_sample_rate;
2928 ap->channels = audio_channels;
2929 ap->time_base.den = frame_rate.num;
2930 ap->time_base.num = frame_rate.den;
2931 ap->width = frame_width + frame_padleft + frame_padright;
2932 ap->height = frame_height + frame_padtop + frame_padbottom;
2933 ap->pix_fmt = frame_pix_fmt;
2934 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2935 ap->channel = video_channel;
2936 ap->standard = video_standard;
2937 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2938 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2939 if(pgmyuv_compatibility_hack)
2940 ap->video_codec_id= CODEC_ID_PGMYUV;
2942 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2944 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2945 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2946 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2947 ic->flags |= AVFMT_FLAG_NONBLOCK;
2949 /* open the input file with generic libav function */
2950 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2952 print_error(filename, err);
2957 for(i=0; i<ic->nb_programs; i++)
2958 if(ic->programs[i]->id != opt_programid)
2959 ic->programs[i]->discard = AVDISCARD_ALL;
2962 ic->loop_input = loop_input;
2964 /* If not enough info to get the stream parameters, we decode the
2965 first frames to get it. (used in mpeg case for example) */
2966 ret = av_find_stream_info(ic);
2967 if (ret < 0 && verbose >= 0) {
2968 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2972 timestamp = start_time;
2973 /* add the stream start time */
2974 if (ic->start_time != AV_NOPTS_VALUE)
2975 timestamp += ic->start_time;
2977 /* if seeking requested, we execute it */
2978 if (start_time != 0) {
2979 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2981 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2982 filename, (double)timestamp / AV_TIME_BASE);
2984 /* reset seek info */
2988 /* update the current parameters so that they match the one of the input stream */
2989 for(i=0;i<ic->nb_streams;i++) {
2990 AVCodecContext *enc = ic->streams[i]->codec;
2992 avcodec_thread_init(enc, thread_count);
2993 enc->thread_count= thread_count;
2994 switch(enc->codec_type) {
2995 case CODEC_TYPE_AUDIO:
2996 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2997 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2998 channel_layout = enc->channel_layout;
2999 audio_channels = enc->channels;
3000 audio_sample_rate = enc->sample_rate;
3001 audio_sample_fmt = enc->sample_fmt;
3002 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3004 ic->streams[i]->discard= AVDISCARD_ALL;
3006 case CODEC_TYPE_VIDEO:
3007 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3008 frame_height = enc->height;
3009 frame_width = enc->width;
3010 if(ic->streams[i]->sample_aspect_ratio.num)
3011 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3013 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3014 frame_aspect_ratio *= (float) enc->width / enc->height;
3015 frame_pix_fmt = enc->pix_fmt;
3016 rfps = ic->streams[i]->r_frame_rate.num;
3017 rfps_base = ic->streams[i]->r_frame_rate.den;
3018 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
3020 enc->debug |= FF_DEBUG_MV;
3022 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
3025 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3026 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3028 (float)rfps / rfps_base, rfps, rfps_base);
3030 /* update the current frame rate to match the stream frame rate */
3031 frame_rate.num = rfps;
3032 frame_rate.den = rfps_base;
3034 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3036 ic->streams[i]->discard= AVDISCARD_ALL;
3037 else if(video_discard)
3038 ic->streams[i]->discard= video_discard;
3040 case CODEC_TYPE_DATA:
3042 case CODEC_TYPE_SUBTITLE:
3043 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3044 if(subtitle_disable)
3045 ic->streams[i]->discard = AVDISCARD_ALL;
3047 case CODEC_TYPE_ATTACHMENT:
3048 case CODEC_TYPE_UNKNOWN:
3056 input_files[nb_input_files] = ic;
3057 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3058 /* dump the file content */
3060 dump_format(ic, nb_input_files, filename, 0);
3063 file_iformat = NULL;
3064 file_oformat = NULL;
3068 av_freep(&video_codec_name);
3069 av_freep(&audio_codec_name);
3070 av_freep(&subtitle_codec_name);
3073 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3074 int *has_subtitle_ptr)
3076 int has_video, has_audio, has_subtitle, i, j;
3077 AVFormatContext *ic;
3082 for(j=0;j<nb_input_files;j++) {
3083 ic = input_files[j];
3084 for(i=0;i<ic->nb_streams;i++) {
3085 AVCodecContext *enc = ic->streams[i]->codec;
3086 switch(enc->codec_type) {
3087 case CODEC_TYPE_AUDIO:
3090 case CODEC_TYPE_VIDEO:
3093 case CODEC_TYPE_SUBTITLE:
3096 case CODEC_TYPE_DATA:
3097 case CODEC_TYPE_ATTACHMENT:
3098 case CODEC_TYPE_UNKNOWN:
3105 *has_video_ptr = has_video;
3106 *has_audio_ptr = has_audio;
3107 *has_subtitle_ptr = has_subtitle;
3110 static void new_video_stream(AVFormatContext *oc)
3113 AVCodecContext *video_enc;
3116 st = av_new_stream(oc, oc->nb_streams);
3118 fprintf(stderr, "Could not alloc stream\n");
3121 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3122 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3123 video_bitstream_filters= NULL;
3126 avcodec_thread_init(st->codec, thread_count);
3128 video_enc = st->codec;
3131 video_enc->codec_tag= video_codec_tag;
3133 if( (video_global_header&1)
3134 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3135 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3136 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3138 if(video_global_header&2){
3139 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3140 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3143 if (video_stream_copy) {
3144 st->stream_copy = 1;
3145 video_enc->codec_type = CODEC_TYPE_VIDEO;
3146 video_enc->sample_aspect_ratio =
3147 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3152 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3154 if (video_codec_name) {
3155 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3156 codec = avcodec_find_encoder_by_name(video_codec_name);
3157 output_codecs[nb_ocodecs] = codec;
3159 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3160 codec = avcodec_find_encoder(codec_id);
3163 video_enc->codec_id = codec_id;
3165 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3167 if (codec && codec->supported_framerates && !force_fps)
3168 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3169 video_enc->time_base.den = fps.num;
3170 video_enc->time_base.num = fps.den;
3172 video_enc->width = frame_width + frame_padright + frame_padleft;
3173 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3174 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3175 video_enc->pix_fmt = frame_pix_fmt;
3176 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3178 if(codec && codec->pix_fmts){
3179 const enum PixelFormat *p= codec->pix_fmts;
3181 if(*p == video_enc->pix_fmt)
3185 video_enc->pix_fmt = codec->pix_fmts[0];
3189 video_enc->gop_size = 0;
3190 if (video_qscale || same_quality) {
3191 video_enc->flags |= CODEC_FLAG_QSCALE;
3192 video_enc->global_quality=
3193 st->quality = FF_QP2LAMBDA * video_qscale;
3197 video_enc->intra_matrix = intra_matrix;
3199 video_enc->inter_matrix = inter_matrix;
3201 video_enc->thread_count = thread_count;
3202 p= video_rc_override_string;
3205 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3207 fprintf(stderr, "error parsing rc_override\n");
3210 video_enc->rc_override=
3211 av_realloc(video_enc->rc_override,
3212 sizeof(RcOverride)*(i+1));
3213 video_enc->rc_override[i].start_frame= start;
3214 video_enc->rc_override[i].end_frame = end;
3216 video_enc->rc_override[i].qscale= q;
3217 video_enc->rc_override[i].quality_factor= 1.0;
3220 video_enc->rc_override[i].qscale= 0;
3221 video_enc->rc_override[i].quality_factor= -q/100.0;
3226 video_enc->rc_override_count=i;
3227 if (!video_enc->rc_initial_buffer_occupancy)
3228 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3229 video_enc->me_threshold= me_threshold;
3230 video_enc->intra_dc_precision= intra_dc_precision - 8;
3233 video_enc->flags|= CODEC_FLAG_PSNR;
3238 video_enc->flags |= CODEC_FLAG_PASS1;
3240 video_enc->flags |= CODEC_FLAG_PASS2;
3246 /* reset some key parameters */
3248 av_freep(&video_codec_name);
3249 video_stream_copy = 0;
3252 static void new_audio_stream(AVFormatContext *oc)
3255 AVCodecContext *audio_enc;
3258 st = av_new_stream(oc, oc->nb_streams);
3260 fprintf(stderr, "Could not alloc stream\n");
3263 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3265 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3266 audio_bitstream_filters= NULL;
3269 avcodec_thread_init(st->codec, thread_count);
3271 audio_enc = st->codec;
3272 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3275 audio_enc->codec_tag= audio_codec_tag;
3277 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3278 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3279 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3281 if (audio_stream_copy) {
3282 st->stream_copy = 1;
3283 audio_enc->channels = audio_channels;
3287 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3289 if (audio_codec_name) {
3290 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3291 codec = avcodec_find_encoder_by_name(audio_codec_name);
3292 output_codecs[nb_ocodecs] = codec;
3294 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3295 codec = avcodec_find_encoder(codec_id);
3297 audio_enc->codec_id = codec_id;
3299 if (audio_qscale > QSCALE_NONE) {
3300 audio_enc->flags |= CODEC_FLAG_QSCALE;
3301 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3303 audio_enc->thread_count = thread_count;
3304 audio_enc->channels = audio_channels;
3305 audio_enc->sample_fmt = audio_sample_fmt;
3306 audio_enc->channel_layout = channel_layout;
3307 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3308 audio_enc->channel_layout = 0;
3310 if(codec && codec->sample_fmts){
3311 const enum SampleFormat *p= codec->sample_fmts;
3313 if(*p == audio_enc->sample_fmt)
3317 audio_enc->sample_fmt = codec->sample_fmts[0];
3321 audio_enc->sample_rate = audio_sample_rate;
3322 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3323 if (audio_language) {
3324 av_metadata_set(&st->metadata, "language", audio_language);
3325 av_free(audio_language);
3326 audio_language = NULL;
3329 /* reset some key parameters */
3331 av_freep(&audio_codec_name);
3332 audio_stream_copy = 0;
3335 static void new_subtitle_stream(AVFormatContext *oc)
3338 AVCodecContext *subtitle_enc;
3340 st = av_new_stream(oc, oc->nb_streams);
3342 fprintf(stderr, "Could not alloc stream\n");
3345 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3347 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3348 subtitle_bitstream_filters= NULL;
3350 subtitle_enc = st->codec;
3351 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3353 if(subtitle_codec_tag)
3354 subtitle_enc->codec_tag= subtitle_codec_tag;
3356 if (subtitle_stream_copy) {
3357 st->stream_copy = 1;
3359 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3360 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3361 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3365 if (subtitle_language) {
3366 av_metadata_set(&st->metadata, "language", subtitle_language);
3367 av_free(subtitle_language);
3368 subtitle_language = NULL;
3371 subtitle_disable = 0;
3372 av_freep(&subtitle_codec_name);
3373 subtitle_stream_copy = 0;
3376 static void opt_new_audio_stream(void)
3378 AVFormatContext *oc;
3379 if (nb_output_files <= 0) {
3380 fprintf(stderr, "At least one output file must be specified\n");
3383 oc = output_files[nb_output_files - 1];
3384 new_audio_stream(oc);
3387 static void opt_new_video_stream(void)
3389 AVFormatContext *oc;
3390 if (nb_output_files <= 0) {
3391 fprintf(stderr, "At least one output file must be specified\n");
3394 oc = output_files[nb_output_files - 1];
3395 new_video_stream(oc);
3398 static void opt_new_subtitle_stream(void)
3400 AVFormatContext *oc;
3401 if (nb_output_files <= 0) {
3402 fprintf(stderr, "At least one output file must be specified\n");
3405 oc = output_files[nb_output_files - 1];
3406 new_subtitle_stream(oc);
3409 static void opt_output_file(const char *filename)
3411 AVFormatContext *oc;
3412 int use_video, use_audio, use_subtitle;
3413 int input_has_video, input_has_audio, input_has_subtitle;
3414 AVFormatParameters params, *ap = ¶ms;
3416 if (!strcmp(filename, "-"))
3419 oc = avformat_alloc_context();
3421 if (!file_oformat) {
3422 file_oformat = guess_format(NULL, filename, NULL);
3423 if (!file_oformat) {
3424 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3430 oc->oformat = file_oformat;
3431 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3433 if (!strcmp(file_oformat->name, "ffm") &&
3434 av_strstart(filename, "http:", NULL)) {
3435 /* special case for files sent to ffserver: we get the stream
3436 parameters from ffserver */
3437 int err = read_ffserver_streams(oc, filename);
3439 print_error(filename, err);
3443 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3444 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3445 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3447 /* disable if no corresponding type found and at least one
3449 if (nb_input_files > 0) {
3450 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3451 &input_has_subtitle);
3452 if (!input_has_video)
3454 if (!input_has_audio)
3456 if (!input_has_subtitle)
3460 /* manual disable */
3461 if (audio_disable) {
3464 if (video_disable) {
3467 if (subtitle_disable) {
3472 new_video_stream(oc);
3476 new_audio_stream(oc);
3480 new_subtitle_stream(oc);
3483 oc->timestamp = rec_timestamp;
3485 for(; metadata_count>0; metadata_count--){
3486 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3487 metadata[metadata_count-1].value);
3489 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3492 output_files[nb_output_files++] = oc;
3494 /* check filename in case of an image number is expected */
3495 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3496 if (!av_filename_number_test(oc->filename)) {
3497 print_error(oc->filename, AVERROR_NUMEXPECTED);
3502 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3503 /* test if it already exists to avoid loosing precious files */
3504 if (!file_overwrite &&
3505 (strchr(filename, ':') == NULL ||
3506 filename[1] == ':' ||
3507 av_strstart(filename, "file:", NULL))) {
3508 if (url_exist(filename)) {
3510 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3512 if (!read_yesno()) {
3513 fprintf(stderr, "Not overwriting - exiting\n");
3518 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3525 if (url_fopen(&oc->pb, filename, o_direct ? URL_RDWR|URL_DIRECT : URL_WRONLY) < 0) {
3526 fprintf(stderr, "Could not open '%s'\n", filename);
3532 for (i=0; i<0x81; i++) {
3533 put_le32(oc->pb, i);
3535 put_flush_packet(oc->pb);
3537 url_close_buf(oc->pb);
3543 memset(ap, 0, sizeof(*ap));
3544 if (av_set_parameters(oc, ap) < 0) {
3545 fprintf(stderr, "%s: Invalid encoding parameters\n",
3550 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3551 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3552 oc->loop_output = loop_output;
3553 oc->flags |= AVFMT_FLAG_NONBLOCK;
3555 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3557 /* reset some options */
3558 file_oformat = NULL;
3559 file_iformat = NULL;
3562 /* same option as mencoder */
3563 static void opt_pass(const char *pass_str)
3566 pass = atoi(pass_str);
3567 if (pass != 1 && pass != 2) {
3568 fprintf(stderr, "pass number can be only 1 or 2\n");
3574 static int64_t getutime(void)
3577 struct rusage rusage;
3579 getrusage(RUSAGE_SELF, &rusage);
3580 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3581 #elif HAVE_GETPROCESSTIMES
3583 FILETIME c, e, k, u;
3584 proc = GetCurrentProcess();
3585 GetProcessTimes(proc, &c, &e, &k, &u);
3586 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3588 return av_gettime();
3592 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3595 const char *p = str;
3602 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3609 static void opt_inter_matrix(const char *arg)
3611 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3612 parse_matrix_coeffs(inter_matrix, arg);
3615 static void opt_intra_matrix(const char *arg)
3617 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3618 parse_matrix_coeffs(intra_matrix, arg);
3622 * Trivial log callback.
3623 * Only suitable for show_help and similar since it lacks prefix handling.
3625 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3627 vfprintf(stdout, fmt, vl);
3630 static void show_help(void)
3632 av_log_set_callback(log_callback_help);
3633 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3634 "Hyper fast Audio and Video encoder\n");
3636 show_help_options(options, "Main options:\n",
3637 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3638 show_help_options(options, "\nAdvanced options:\n",
3639 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3641 show_help_options(options, "\nVideo options:\n",
3642 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3644 show_help_options(options, "\nAdvanced Video options:\n",
3645 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3646 OPT_VIDEO | OPT_EXPERT);
3647 show_help_options(options, "\nAudio options:\n",
3648 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3650 show_help_options(options, "\nAdvanced Audio options:\n",
3651 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3652 OPT_AUDIO | OPT_EXPERT);
3653 show_help_options(options, "\nSubtitle options:\n",
3654 OPT_SUBTITLE | OPT_GRAB,
3656 show_help_options(options, "\nAudio/Video grab options:\n",
3660 av_opt_show(avcodec_opts[0], NULL);
3662 av_opt_show(avformat_opts, NULL);
3664 av_opt_show(sws_opts, NULL);
3667 static void opt_target(const char *arg)
3670 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3672 if(!strncmp(arg, "pal-", 4)) {
3675 } else if(!strncmp(arg, "ntsc-", 5)) {
3678 } else if(!strncmp(arg, "film-", 5)) {
3683 /* Calculate FR via float to avoid int overflow */
3684 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3687 } else if((fr == 29970) || (fr == 23976)) {
3690 /* Try to determine PAL/NTSC by peeking in the input files */
3691 if(nb_input_files) {
3693 for(j = 0; j < nb_input_files; j++) {
3694 for(i = 0; i < input_files[j]->nb_streams; i++) {
3695 AVCodecContext *c = input_files[j]->streams[i]->codec;
3696 if(c->codec_type != CODEC_TYPE_VIDEO)
3698 fr = c->time_base.den * 1000 / c->time_base.num;
3702 } else if((fr == 29970) || (fr == 23976)) {
3712 if(verbose && norm >= 0)
3713 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3717 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3718 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3719 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3723 if(!strcmp(arg, "vcd")) {
3725 opt_video_codec("mpeg1video");
3726 opt_audio_codec("mp2");
3729 opt_frame_size(norm ? "352x240" : "352x288");
3730 opt_frame_rate(NULL, frame_rates[norm]);
3731 opt_default("gop", norm ? "18" : "15");
3733 opt_default("b", "1150000");
3734 opt_default("maxrate", "1150000");
3735 opt_default("minrate", "1150000");
3736 opt_default("bufsize", "327680"); // 40*1024*8;
3738 opt_default("ab", "224000");
3739 audio_sample_rate = 44100;
3742 opt_default("packetsize", "2324");
3743 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3745 /* We have to offset the PTS, so that it is consistent with the SCR.
3746 SCR starts at 36000, but the first two packs contain only padding
3747 and the first pack from the other stream, respectively, may also have
3748 been written before.
3749 So the real data starts at SCR 36000+3*1200. */
3750 mux_preload= (36000+3*1200) / 90000.0; //0.44
3751 } else if(!strcmp(arg, "svcd")) {
3753 opt_video_codec("mpeg2video");
3754 opt_audio_codec("mp2");
3757 opt_frame_size(norm ? "480x480" : "480x576");
3758 opt_frame_rate(NULL, frame_rates[norm]);
3759 opt_default("gop", norm ? "18" : "15");
3761 opt_default("b", "2040000");
3762 opt_default("maxrate", "2516000");
3763 opt_default("minrate", "0"); //1145000;
3764 opt_default("bufsize", "1835008"); //224*1024*8;
3765 opt_default("flags", "+scan_offset");
3768 opt_default("ab", "224000");
3769 audio_sample_rate = 44100;
3771 opt_default("packetsize", "2324");
3773 } else if(!strcmp(arg, "dvd")) {
3775 opt_video_codec("mpeg2video");
3776 opt_audio_codec("ac3");
3779 opt_frame_size(norm ? "720x480" : "720x576");
3780 opt_frame_rate(NULL, frame_rates[norm]);
3781 opt_default("gop", norm ? "18" : "15");
3783 opt_default("b", "6000000");
3784 opt_default("maxrate", "9000000");
3785 opt_default("minrate", "0"); //1500000;
3786 opt_default("bufsize", "1835008"); //224*1024*8;
3788 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3789 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3791 opt_default("ab", "448000");
3792 audio_sample_rate = 48000;
3794 } else if(!strncmp(arg, "dv", 2)) {
3798 opt_frame_size(norm ? "720x480" : "720x576");
3799 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3800 (norm ? "yuv411p" : "yuv420p"));
3801 opt_frame_rate(NULL, frame_rates[norm]);
3803 audio_sample_rate = 48000;
3807 fprintf(stderr, "Unknown target: %s\n", arg);
3812 static void opt_vstats_file (const char *arg)
3814 av_free (vstats_filename);
3815 vstats_filename=av_strdup (arg);
3818 static void opt_vstats (void)
3821 time_t today2 = time(NULL);
3822 struct tm *today = localtime(&today2);
3824 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3826 opt_vstats_file(filename);
3829 static int opt_bsf(const char *opt, const char *arg)
3831 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3832 AVBitStreamFilterContext **bsfp;
3835 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3839 bsfp= *opt == 'v' ? &video_bitstream_filters :
3840 *opt == 'a' ? &audio_bitstream_filters :
3841 &subtitle_bitstream_filters;
3843 bsfp= &(*bsfp)->next;
3850 static int opt_preset(const char *opt, const char *arg)
3853 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3855 const char *base[2]= { getenv("HOME"),
3858 for(i=!base[0]; i<2 && !f; i++){
3859 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3860 f= fopen(filename, "r");
3862 char *codec_name= *opt == 'v' ? video_codec_name :
3863 *opt == 'a' ? audio_codec_name :
3864 subtitle_codec_name;
3865 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3866 f= fopen(filename, "r");
3869 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3871 av_strlcpy(filename, arg, sizeof(filename));
3872 f= fopen(filename, "r");
3876 fprintf(stderr, "File for preset '%s' not found\n", arg);
3881 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3882 if(line[0] == '#' && !e)
3884 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3886 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3889 if(!strcmp(tmp, "acodec")){
3890 opt_audio_codec(tmp2);
3891 }else if(!strcmp(tmp, "vcodec")){
3892 opt_video_codec(tmp2);
3893 }else if(!strcmp(tmp, "scodec")){
3894 opt_subtitle_codec(tmp2);
3895 }else if(opt_default(tmp, tmp2) < 0){
3896 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3906 static const OptionDef options[] = {
3908 { "renegotiate", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&renegotiate}, "renegotiate after several video frames", "number" },
3909 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3910 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3911 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3912 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3913 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3914 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3915 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3916 { "contract_label", HAS_ARG, {(void*)opt_contract_label}, "contract label", "label" },
3917 { "direct", OPT_BOOL, {(void*)&o_direct}, "write to output file using direct I/O (O_DIRECT)" },
3918 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3919 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3920 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3921 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3922 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3923 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3924 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3925 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3926 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3927 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3928 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3929 "add timings for benchmarking" },
3930 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3931 "dump each input packet" },
3932 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3933 "when dumping packets, also dump the payload" },
3934 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3935 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3936 { "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)", "" },
3937 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3938 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3939 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3940 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3941 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3942 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3943 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3944 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3945 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3946 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3947 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3948 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3949 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3950 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3953 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3954 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3955 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3956 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3957 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3958 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3959 { "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" },
3960 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3961 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3962 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3963 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3964 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3965 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3966 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3967 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3968 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3969 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3970 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3971 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3972 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3973 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3974 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3975 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3976 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3977 "use same video quality as source (implies VBR)" },
3978 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3979 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3980 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3981 "deinterlace pictures" },
3982 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3983 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3984 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3985 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3986 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3987 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3988 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3989 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3990 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3991 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3992 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3995 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3996 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3997 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3998 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3999 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4000 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4001 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4002 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4003 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4004 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4005 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4006 { "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" },
4008 /* subtitle options */
4009 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4010 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4011 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4012 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4013 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4016 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4017 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4018 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4021 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4022 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4024 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4025 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4026 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4028 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4029 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4030 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4032 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4036 #ifdef CONFIG_FFMPEG_WITH_FRSH
4037 void *av_encode_thread(void *arg)
4040 frsh_thread_id_t thread_id;
4042 /* bind this thread to vres */
4043 thread_id = fosa_thread_self();
4044 PXW(frsh_thread_bind(disk_vres, thread_id));
4046 ret = av_encode(output_files, nb_output_files,
4047 input_files, nb_input_files,
4048 stream_maps, nb_stream_maps);
4049 return (void*)(intptr_t)ret;
4054 frsh_thread_attr_t frsh_attr;
4055 frsh_thread_id_t thread;
4056 frsh_rel_time_t cpu_budget, cpu_period;
4058 frsh_rel_time_t disk_budget, disk_period;
4062 cpu_budget = fosa_msec_to_rel_time(5);
4063 cpu_period = fosa_msec_to_rel_time(1000/30);
4066 #define DISK_THROUGHPUT 20277LLU /* units??? probably MB/s */
4067 disk_budget = fosa_nsec_to_rel_time(1000000000LLU/*nsec/s*/ * 500000 /*bytes/s*/
4068 / (DISK_THROUGHPUT*1000000) /* bytes */); // is this correct?
4070 disk_budget = fosa_msec_to_rel_time(1);
4072 disk_period = fosa_msec_to_rel_time(1000/30);
4074 /* Contract negotiation for CPU */
4075 ret = frsh_contract_init(&cpu_contract);
4076 if (ret) PERROR_AND_EXIT(ret, "CPU:frsh_contract_init");
4078 ret = frsh_contract_set_basic_params(&cpu_contract,
4083 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
4084 ret = frsh_contract_set_resource_and_label(&cpu_contract,
4085 FRSH_RT_PROCESSOR, FRSH_CPU_ID_DEFAULT, contract_label);
4086 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
4088 ret = frsh_contract_negotiate(&cpu_contract, &cpu_vres);
4089 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate cpu");
4090 printf("Aqcpu vres negotiated\n");
4092 /* Contract negotiation for Disk */
4093 ret = frsh_contract_init(&disk_contract);
4094 if (ret) PERROR_AND_EXIT(ret, "DISK:frsh_contract_init");
4096 ret = frsh_contract_set_basic_params(&disk_contract,
4099 FRSH_WT_INDETERMINATE,
4101 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
4102 ret = frsh_contract_set_resource_and_label(&disk_contract,
4103 FRSH_RT_DISK, 0, strstr(output_files[0]->filename, "://") == NULL ?
4104 output_files[0]->filename : input_files[0]->filename);
4105 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
4107 ret = frsh_contract_negotiate(&disk_contract, &disk_vres);
4108 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate disk");
4109 printf("Disk vres negotiated\n");
4111 pthread_attr_init(&frsh_attr);
4112 ret = frsh_thread_create_and_bind(cpu_vres, &thread, &frsh_attr,
4113 av_encode_thread, (void*) NULL);
4114 if (ret) PERROR_AND_EXIT(ret, "frsh_thread_create_and_bind");
4116 pthread_join(thread.pthread_id, (void**) NULL);
4118 printf("Ending contracts\n");
4120 ret = frsh_contract_cancel(cpu_vres);
4121 ret = frsh_contract_cancel(disk_vres);
4122 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_cancel");
4124 printf("Finishing\n");
4127 #endif /* CONFIG_FFMPEG_WITH_FRSH */
4129 void flush_buffered_frames(AVFormatContext *s)
4132 while ((pktl = s->packet_buffer)) {
4133 av_free_packet(&pktl->pkt);
4134 s->packet_buffer = pktl->next;
4139 int main(int argc, char **argv)
4144 avcodec_register_all();
4145 avdevice_register_all();
4148 if(isatty(STDIN_FILENO))
4149 url_set_interrupt_cb(decode_interrupt_cb);
4151 for(i=0; i<CODEC_TYPE_NB; i++){
4152 avcodec_opts[i]= avcodec_alloc_context2(i);
4154 avformat_opts = avformat_alloc_context();
4155 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4159 #if CONFIG_FFMPEG_WITH_FRSH
4163 printf("FRSH initialized\n");
4168 parse_options(argc, argv, options, opt_output_file);
4170 if (nb_input_files == 0) {
4171 opt_input_file("sdp.txt");
4174 /* file converter / grab */
4175 if (nb_output_files <= 0) {
4177 opt_output_file("stream.mp4");
4180 for (i=0; i<nb_input_files; i++)
4181 flush_buffered_frames(input_files[i]);
4184 #if CONFIG_FFMPEG_WITH_FRSH
4185 if (frsh_stuff() < 0)
4188 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
4189 stream_maps, nb_stream_maps) < 0)
4192 ti = getutime() - ti;
4194 printf("bench: utime=%0.3fs\n", ti / 1000000.0);