12 // work arounds (centos)
15 #define INT64_MAX 9223372036854775807LL
17 #define MAX_RETRY 1000
20 #include "bccmodels.h"
23 #include "edlsession.h"
25 #include "fileffmpeg.h"
26 #include "filesystem.h"
28 #include "indexfile.h"
29 #include "interlacemodes.h"
32 #include "mainerror.h"
37 #define VIDEO_INBUF_SIZE 0x10000
38 #define AUDIO_INBUF_SIZE 0x10000
39 #define VIDEO_REFILL_THRESH 0
40 #define AUDIO_REFILL_THRESH 0x1000
41 #define AUDIO_MIN_FRAME_SZ 128
43 Mutex FFMPEG::fflock("FFMPEG::fflock");
45 static void ff_err(int ret, const char *fmt, ...)
50 vsnprintf(msg, sizeof(msg), fmt, ap);
52 char errmsg[BCSTRLEN];
53 av_strerror(ret, errmsg, sizeof(errmsg));
54 fprintf(stderr,_("%s err: %s\n"),msg, errmsg);
60 pkt.data = 0; pkt.size = 0;
62 void FFPacket::finit()
64 av_packet_unref(&pkt);
67 FFrame::FFrame(FFStream *fst)
70 frm = av_frame_alloc();
71 init = fst->init_frame(frm);
79 void FFrame::queue(int64_t pos)
85 void FFrame::dequeue()
90 int FFAudioStream::read(float *fp, long len)
98 while( --k >= 0 ) *fp++ = *op++;
99 if( op >= lmt ) op = bfr;
104 void FFAudioStream::realloc(long nsz, int nch, long len)
106 long bsz = nsz * nch;
107 float *np = new float[bsz];
108 inp = np + read(np, len) * nch;
113 delete [] bfr; bfr = np;
116 void FFAudioStream::realloc(long nsz, int nch)
118 if( nsz > sz || this->nch != nch ) {
119 long len = this->nch != nch ? 0 : hpos;
120 if( len > sz ) len = sz;
122 realloc(nsz, nch, len);
126 void FFAudioStream::reserve(long nsz, int nch)
128 long len = (inp - outp) / nch;
130 if( nsz > sz || this->nch != nch ) {
131 if( this->nch != nch ) len = 0;
132 realloc(nsz, nch, len);
135 if( (len*=nch) > 0 && bfr != outp )
136 memmove(bfr, outp, len*sizeof(*bfr));
141 long FFAudioStream::used()
143 long len = inp>=outp ? inp-outp : inp-bfr + lmt-outp;
146 long FFAudioStream::avail()
149 if( in1 >= lmt ) in1 = bfr;
150 long len = outp >= in1 ? outp-in1 : outp-bfr + lmt-in1;
153 void FFAudioStream::reset_history()
157 memset(bfr, 0, lmt-bfr);
160 void FFAudioStream::iseek(int64_t ofs)
162 if( ofs > hpos ) ofs = hpos;
163 if( ofs > sz ) ofs = sz;
164 outp = inp - ofs*nch;
165 if( outp < bfr ) outp += sz*nch;
168 float *FFAudioStream::get_outp(int ofs)
175 int64_t FFAudioStream::put_inp(int ofs)
178 return (inp-outp) / nch;
181 int FFAudioStream::write(const float *fp, long len)
189 while( --k >= 0 ) *ip++ = *fp++;
190 if( ip >= lmt ) ip = bfr;
197 int FFAudioStream::zero(long len)
205 while( --k >= 0 ) *ip++ = 0;
206 if( ip >= lmt ) ip = bfr;
213 // does not advance outp
214 int FFAudioStream::read(double *dp, long len, int ch)
217 float *op = outp + ch;
218 float *lmt1 = lmt + nch-1;
220 int k = (lmt1 - op) / nch;
223 while( --k >= 0 ) { *dp++ = *op; op += nch; }
224 if( op >= lmt ) op -= sz*nch;
229 // load linear buffer, no wrapping allowed, does not advance inp
230 int FFAudioStream::write(const double *dp, long len, int ch)
233 float *ip = inp + ch;
234 while( --n >= 0 ) { *ip = *dp++; ip += nch; }
239 FFStream::FFStream(FFMPEG *ffmpeg, AVStream *st, int fidx)
241 this->ffmpeg = ffmpeg;
244 frm_lock = new Mutex("FFStream::frm_lock");
251 nudge = AV_NOPTS_VALUE;
252 seek_pos = curr_pos = 0;
254 reading = writing = 0;
265 FFStream::~FFStream()
267 if( reading > 0 || writing > 0 ) avcodec_close(avctx);
268 if( avctx ) avcodec_free_context(&avctx);
269 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
270 if( bsfc ) av_bsf_free(&bsfc);
271 while( frms.first ) frms.remove(frms.first);
272 if( filter_graph ) avfilter_graph_free(&filter_graph);
273 if( frame ) av_frame_free(&frame);
274 if( fframe ) av_frame_free(&fframe);
276 if( stats_fp ) fclose(stats_fp);
277 if( stats_in ) av_freep(&stats_in);
278 delete [] stats_filename;
281 void FFStream::ff_lock(const char *cp)
283 FFMPEG::fflock.lock(cp);
286 void FFStream::ff_unlock()
288 FFMPEG::fflock.unlock();
291 void FFStream::queue(FFrame *frm)
293 frm_lock->lock("FFStream::queue");
297 ffmpeg->mux_lock->unlock();
300 void FFStream::dequeue(FFrame *frm)
302 frm_lock->lock("FFStream::dequeue");
304 frms.remove_pointer(frm);
308 int FFStream::encode_activate()
311 writing = ffmpeg->encode_activate();
315 int FFStream::decode_activate()
317 if( reading < 0 && (reading=ffmpeg->decode_activate()) > 0 ) {
318 ff_lock("FFStream::decode_activate");
320 AVDictionary *copts = 0;
321 av_dict_copy(&copts, ffmpeg->opts, 0);
323 // this should be avformat_copy_context(), but no copy avail
324 ret = avformat_open_input(&fmt_ctx,
325 ffmpeg->fmt_ctx->filename, ffmpeg->fmt_ctx->iformat, &copts);
327 ret = avformat_find_stream_info(fmt_ctx, 0);
328 st = fmt_ctx->streams[fidx];
331 if( ret >= 0 && st != 0 ) {
332 AVCodecID codec_id = st->codecpar->codec_id;
333 AVCodec *decoder = avcodec_find_decoder(codec_id);
334 avctx = avcodec_alloc_context3(decoder);
336 eprintf(_("cant allocate codec context\n"));
337 ret = AVERROR(ENOMEM);
340 av_codec_set_pkt_timebase(avctx, st->time_base);
341 if( decoder->capabilities & AV_CODEC_CAP_DR1 )
342 avctx->flags |= CODEC_FLAG_EMU_EDGE;
343 avcodec_parameters_to_context(avctx, st->codecpar);
344 if( !av_dict_get(copts, "threads", NULL, 0) )
345 avctx->thread_count = ffmpeg->ff_cpus();
346 ret = avcodec_open2(avctx, decoder, &copts);
352 eprintf(_("open decoder failed\n"));
355 eprintf(_("can't clone input file\n"));
356 av_dict_free(&copts);
362 int FFStream::read_packet()
364 av_packet_unref(ipkt);
365 int ret = av_read_frame(fmt_ctx, ipkt);
368 if( ret == AVERROR_EOF ) return 0;
369 ff_err(ret, "FFStream::read_packet: av_read_frame failed\n");
376 int FFStream::decode(AVFrame *frame)
379 int retries = MAX_RETRY;
381 while( ret >= 0 && !flushed && --retries >= 0 ) {
383 if( (ret=read_packet()) < 0 ) break;
384 AVPacket *pkt = ret > 0 ? (AVPacket*)ipkt : 0;
386 if( pkt->stream_index != st->index ) continue;
387 if( !pkt->data | !pkt->size ) continue;
389 if( (ret=avcodec_send_packet(avctx, pkt)) < 0 ) {
390 ff_err(ret, "FFStream::decode: avcodec_send_packet failed\n");
396 if( (ret=decode_frame(frame)) > 0 ) break;
404 fprintf(stderr, "FFStream::decode: Retry limit\n");
408 fprintf(stderr, "FFStream::decode: failed\n");
412 int FFStream::load_filter(AVFrame *frame)
414 int ret = av_buffersrc_add_frame_flags(buffersrc_ctx, frame, 0);
416 eprintf(_("av_buffersrc_add_frame_flags failed\n"));
420 int FFStream::read_filter(AVFrame *frame)
422 int ret = av_buffersink_get_frame(buffersink_ctx, frame);
424 if( ret == AVERROR(EAGAIN) ) return 0;
425 if( ret == AVERROR_EOF ) { st_eof(1); return -1; }
426 ff_err(ret, "FFStream::read_filter: av_buffersink_get_frame failed\n");
432 int FFStream::read_frame(AVFrame *frame)
434 av_frame_unref(frame);
435 if( !filter_graph || !buffersrc_ctx || !buffersink_ctx )
436 return decode(frame);
437 if( !fframe && !(fframe=av_frame_alloc()) ) {
438 fprintf(stderr, "FFStream::read_frame: av_frame_alloc failed\n");
442 while( !flushed && !(ret=read_filter(frame)) ) {
443 if( (ret=decode(fframe)) < 0 ) break;
444 if( ret > 0 && (ret=load_filter(fframe)) < 0 ) break;
449 int FFStream::write_packet(FFPacket &pkt)
453 av_packet_rescale_ts(pkt, avctx->time_base, st->time_base);
454 pkt->stream_index = st->index;
455 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, pkt);
458 ret = av_bsf_send_packet(bsfc, pkt);
461 if( (ret=av_bsf_receive_packet(bsfc, bs)) < 0 ) {
462 if( ret == AVERROR(EAGAIN) ) return 0;
463 if( ret == AVERROR_EOF ) return -1;
466 av_packet_rescale_ts(bs, avctx->time_base, st->time_base);
467 bs->stream_index = st->index;
468 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, bs);
472 ff_err(ret, "FFStream::write_packet: write packet failed\n");
476 int FFStream::encode_frame(AVFrame *frame)
478 int pkts = 0, ret = 0;
479 for( int retry=100; --retry>=0; ) {
481 ret = avcodec_send_frame(avctx, frame);
482 if( !ret && frame ) return pkts;
483 if( ret < 0 && ret != AVERROR(EAGAIN) ) break;
485 ret = avcodec_receive_packet(avctx, opkt);
486 if( !frame && ret == AVERROR_EOF ) return pkts;
488 ret = write_packet(opkt);
491 if( frame && stats_fp ) {
492 ret = write_stats_file();
496 ff_err(ret, "FFStream::encode_frame: encode failed\n");
500 int FFStream::flush()
504 int ret = encode_frame(0);
505 if( ret >= 0 && stats_fp ) {
506 ret = write_stats_file();
510 ff_err(ret, "FFStream::flush");
511 return ret >= 0 ? 0 : 1;
515 int FFStream::open_stats_file()
517 stats_fp = fopen(stats_filename,"w");
518 return stats_fp ? 0 : AVERROR(errno);
521 int FFStream::close_stats_file()
524 fclose(stats_fp); stats_fp = 0;
529 int FFStream::read_stats_file()
531 int64_t len = 0; struct stat stats_st;
532 int fd = open(stats_filename, O_RDONLY);
533 int ret = fd >= 0 ? 0: ENOENT;
534 if( !ret && fstat(fd, &stats_st) )
537 len = stats_st.st_size;
538 stats_in = (char *)av_malloc(len+1);
542 if( !ret && read(fd, stats_in, len+1) != len )
546 avctx->stats_in = stats_in;
550 return !ret ? 0 : AVERROR(ret);
553 int FFStream::write_stats_file()
556 if( avctx->stats_out && (ret=strlen(avctx->stats_out)) > 0 ) {
557 int len = fwrite(avctx->stats_out, 1, ret, stats_fp);
559 ff_err(ret = AVERROR(errno), "FFStream::write_stats_file");
564 int FFStream::init_stats_file()
567 if( (pass & 2) && (ret = read_stats_file()) < 0 )
568 ff_err(ret, "stat file read: %s", stats_filename);
569 if( (pass & 1) && (ret=open_stats_file()) < 0 )
570 ff_err(ret, "stat file open: %s", stats_filename);
571 return ret >= 0 ? 0 : ret;
574 int FFStream::seek(int64_t no, double rate)
576 // default ffmpeg native seek
578 int64_t pos = no, pkt_pos = -1;
579 IndexMarks *index_markers = get_markers();
580 if( index_markers && index_markers->size() > 1 ) {
581 IndexMarks &marks = *index_markers;
582 int i = marks.find(pos);
583 int64_t n = i < 0 ? (i=0) : marks[i].no;
584 // if indexed seek point not too far away (<30 secs), use index
585 if( no-n < 30*rate ) {
588 if( i < marks.size() ) pkt_pos = marks[i].pos;
592 if( pos == curr_pos ) return 0;
593 double secs = pos < 0 ? 0. : pos / rate;
594 AVRational time_base = st->time_base;
595 int64_t tstmp = time_base.num > 0 ? secs * time_base.den/time_base.num : 0;
597 if( st->nb_index_entries > 0 ) tstmp = st->index_entries[0].timestamp;
598 else if( st->start_time != AV_NOPTS_VALUE ) tstmp = st->start_time;
599 else if( st->first_dts != AV_NOPTS_VALUE ) tstmp = st->first_dts;
600 else tstmp = INT64_MIN+1;
602 else if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
605 // seek all streams using the default timebase.
606 // this is how ffmpeg and ffplay work. stream seeks are less tested.
607 tstmp = av_rescale_q(tstmp, time_base, AV_TIME_BASE_Q);
611 avcodec_flush_buffers(avctx);
612 avformat_flush(fmt_ctx);
614 int64_t seek = tstmp;
615 int flags = AVSEEK_FLAG_ANY;
616 if( !(fmt_ctx->iformat->flags & AVFMT_NO_BYTE_SEEK) && pkt_pos >= 0 ) {
618 flags = AVSEEK_FLAG_BYTE;
620 int ret = avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, seek, INT64_MAX, flags);
622 // finds the first index frame below the target time
623 int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
624 int ret = av_seek_frame(fmt_ctx, idx, tstmp, flags);
626 int retry = MAX_RETRY;
628 need_packet = 0; flushed = 0;
629 seeked = 1; st_eof(0);
630 // read up to retry packets, limited to npkts in stream, and not pkt.pos past pkt_pos
631 while( --retry >= 0 ) {
632 if( read_packet() <= 0 ) { ret = -1; break; }
633 if( ipkt->stream_index != st->index ) continue;
634 if( !ipkt->data || !ipkt->size ) continue;
635 if( pkt_pos >= 0 && ipkt->pos >= pkt_pos ) break;
636 if( --npkts <= 0 ) break;
637 int64_t pkt_ts = ipkt->dts != AV_NOPTS_VALUE ? ipkt->dts : ipkt->pts;
638 if( pkt_ts == AV_NOPTS_VALUE ) continue;
639 if( pkt_ts >= tstmp ) break;
642 fprintf(stderr,"FFStream::seek: retry limit, pos=%jd tstmp=%jd\n",pos,tstmp);
646 ret = avcodec_send_packet(avctx, ipkt);
648 //some codecs need more than one pkt to resync
649 if( ret == AVERROR_INVALIDDATA ) ret = 0;
651 ff_err(ret, "FFStream::avcodec_send_packet failed\n");
656 printf("** seek fail %jd, %jd\n", pos, tstmp);
657 seeked = need_packet = 0;
661 //printf("seeked pos = %ld, %ld\n", pos, tstmp);
662 seek_pos = curr_pos = pos;
666 FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
667 : FFStream(ffmpeg, strm, fidx)
670 channel0 = channels = 0;
673 frame_sz = AUDIO_MIN_FRAME_SZ;
675 resample_context = 0;
676 swr_ichs = swr_ifmt = swr_irate = 0;
685 bfr = new float[bsz];
690 FFAudioStream::~FFAudioStream()
692 if( resample_context ) swr_free(&resample_context);
697 void FFAudioStream::init_swr(int ichs, int ifmt, int irate)
699 if( resample_context ) {
700 if( swr_ichs == ichs && swr_ifmt == ifmt && swr_irate == irate )
702 swr_free(&resample_context);
704 swr_ichs = ichs; swr_ifmt = ifmt; swr_irate = irate;
705 if( ichs == channels && ifmt == AV_SAMPLE_FMT_FLT && irate == sample_rate )
707 uint64_t ilayout = av_get_default_channel_layout(ichs);
708 if( !ilayout ) ilayout = ((uint64_t)1<<ichs) - 1;
709 uint64_t olayout = av_get_default_channel_layout(channels);
710 if( !olayout ) olayout = ((uint64_t)1<<channels) - 1;
711 resample_context = swr_alloc_set_opts(NULL,
712 olayout, AV_SAMPLE_FMT_FLT, sample_rate,
713 ilayout, (AVSampleFormat)ifmt, irate,
715 if( resample_context )
716 swr_init(resample_context);
719 int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
721 samples = *(float **)data;
722 if( resample_context ) {
723 if( len > aud_bfr_sz ) {
729 aud_bfr = new float[aud_bfr_sz*channels];
731 int ret = swr_convert(resample_context,
732 (uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
734 ff_err(ret, "FFAudioStream::get_samples: swr_convert failed\n");
743 int FFAudioStream::load_history(uint8_t **data, int len)
746 len = get_samples(samples, data, len);
748 // biggest user bfr since seek + frame
749 realloc(mbsz + len + 1, channels);
755 int FFAudioStream::decode_frame(AVFrame *frame)
757 int first_frame = seeked; seeked = 0;
758 int ret = avcodec_receive_frame(avctx, frame);
760 if( first_frame || ret == AVERROR(EAGAIN) ) return 0;
761 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
762 ff_err(ret, "FFAudioStream::decode_frame: Could not read audio frame\n");
765 int64_t pkt_ts = av_frame_get_best_effort_timestamp(frame);
766 if( pkt_ts != AV_NOPTS_VALUE )
767 curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * sample_rate + 0.5;
771 int FFAudioStream::encode_activate()
773 if( writing >= 0 ) return writing;
774 if( !avctx->codec ) return writing = 0;
775 frame_sz = avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE ?
776 10000 : avctx->frame_size;
777 return FFStream::encode_activate();
780 int64_t FFAudioStream::load_buffer(double ** const sp, int len)
782 reserve(len+1, st->codecpar->channels);
783 for( int ch=0; ch<nch; ++ch )
784 write(sp[ch], len, ch);
788 int FFAudioStream::in_history(int64_t pos)
790 if( pos > curr_pos ) return 0;
792 if( len > sz ) len = sz;
793 if( pos < curr_pos - len ) return 0;
798 int FFAudioStream::init_frame(AVFrame *frame)
800 frame->nb_samples = frame_sz;
801 frame->format = avctx->sample_fmt;
802 frame->channel_layout = avctx->channel_layout;
803 frame->sample_rate = avctx->sample_rate;
804 int ret = av_frame_get_buffer(frame, 0);
806 ff_err(ret, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
810 int FFAudioStream::load(int64_t pos, int len)
812 if( audio_seek(pos) < 0 ) return -1;
813 if( !frame && !(frame=av_frame_alloc()) ) {
814 fprintf(stderr, "FFAudioStream::load: av_frame_alloc failed\n");
817 if( mbsz < len ) mbsz = len;
818 int64_t end_pos = pos + len;
819 int ret = 0, i = len / frame_sz + MAX_RETRY;
820 while( ret>=0 && !flushed && curr_pos<end_pos && --i>=0 ) {
821 ret = read_frame(frame);
822 if( ret > 0 && frame->nb_samples > 0 ) {
823 init_swr(frame->channels, frame->format, frame->sample_rate);
824 load_history(&frame->extended_data[0], frame->nb_samples);
825 curr_pos += frame->nb_samples;
828 if( end_pos > curr_pos ) {
829 zero(end_pos - curr_pos);
832 len = curr_pos - pos;
837 int FFAudioStream::audio_seek(int64_t pos)
839 if( decode_activate() <= 0 ) return -1;
840 if( !st->codecpar ) return -1;
841 if( in_history(pos) ) return 0;
842 if( pos == curr_pos ) return 0;
843 reset_history(); mbsz = 0;
844 // guarentee preload > 1sec samples
845 if( seek(pos-sample_rate, sample_rate) < 0 ) return -1;
849 int FFAudioStream::encode(double **samples, int len)
851 if( encode_activate() <= 0 ) return -1;
854 int64_t count = samples ? load_buffer(samples, len) : used();
855 int frame_sz1 = samples ? frame_sz-1 : 0;
858 while( ret >= 0 && count > frame_sz1 ) {
859 frm = new FFrame(this);
860 if( (ret=frm->initted()) < 0 ) break;
861 AVFrame *frame = *frm;
862 len = count >= frame_sz ? frame_sz : count;
863 float *bfrp = get_outp(len);
864 ret = swr_convert(resample_context,
865 (uint8_t **)frame->extended_data, len,
866 (const uint8_t **)&bfrp, len);
868 ff_err(ret, "FFAudioStream::encode: swr_convert failed\n");
871 frame->nb_samples = len;
872 frm->queue(curr_pos);
879 return ret >= 0 ? 0 : 1;
882 int FFAudioStream::drain()
887 int FFAudioStream::encode_frame(AVFrame *frame)
889 return FFStream::encode_frame(frame);
892 int FFAudioStream::write_packet(FFPacket &pkt)
894 return FFStream::write_packet(pkt);
897 void FFAudioStream::load_markers()
899 IndexState *index_state = ffmpeg->file_base->asset->index_state;
900 if( !index_state || idx >= index_state->audio_markers.size() ) return;
901 if( index_state->marker_status == MARKERS_NOTTESTED ) return;
902 FFStream::load_markers(*index_state->audio_markers[idx], sample_rate);
905 IndexMarks *FFAudioStream::get_markers()
907 IndexState *index_state = ffmpeg->file_base->asset->index_state;
908 if( !index_state || idx >= index_state->audio_markers.size() ) return 0;
909 return index_state->audio_markers[idx];
912 FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
913 : FFStream(ffmpeg, strm, fidx)
924 FFVideoStream::~FFVideoStream()
928 int FFVideoStream::decode_frame(AVFrame *frame)
930 int first_frame = seeked; seeked = 0;
931 int ret = avcodec_receive_frame(avctx, frame);
933 if( first_frame || ret == AVERROR(EAGAIN) ) return 0;
934 if( ret == AVERROR(EAGAIN) ) return 0;
935 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
936 ff_err(ret, "FFVideoStream::decode_frame: Could not read video frame\n");
939 int64_t pkt_ts = av_frame_get_best_effort_timestamp(frame);
940 if( pkt_ts != AV_NOPTS_VALUE )
941 curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * frame_rate + 0.5;
945 int FFVideoStream::load(VFrame *vframe, int64_t pos)
947 int ret = video_seek(pos);
948 if( ret < 0 ) return -1;
949 if( !frame && !(frame=av_frame_alloc()) ) {
950 fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
953 int i = MAX_RETRY + pos - curr_pos;
954 while( ret>=0 && !flushed && curr_pos<=pos && --i>=0 ) {
955 ret = read_frame(frame);
956 if( ret > 0 ) ++curr_pos;
958 if( frame->format == AV_PIX_FMT_NONE || frame->width <= 0 || frame->height <= 0 )
961 ret = convert_cmodel(vframe, frame);
963 ret = ret > 0 ? 1 : ret < 0 ? -1 : 0;
967 int FFVideoStream::video_seek(int64_t pos)
969 if( decode_activate() <= 0 ) return -1;
970 if( !st->codecpar ) return -1;
971 if( pos == curr_pos-1 && !seeked ) return 0;
972 // if close enough, just read up to current
973 int gop = avctx->gop_size;
974 if( gop < 4 ) gop = 4;
975 if( gop > 64 ) gop = 64;
976 int read_limit = curr_pos + 3*gop;
977 if( pos >= curr_pos && pos <= read_limit ) return 0;
978 // guarentee preload more than 2*gop frames
979 if( seek(pos - 3*gop, frame_rate) < 0 ) return -1;
983 int FFVideoStream::init_frame(AVFrame *picture)
985 picture->format = avctx->pix_fmt;
986 picture->width = avctx->width;
987 picture->height = avctx->height;
988 int ret = av_frame_get_buffer(picture, 32);
992 int FFVideoStream::encode(VFrame *vframe)
994 if( encode_activate() <= 0 ) return -1;
996 FFrame *picture = new FFrame(this);
997 int ret = picture->initted();
999 AVFrame *frame = *picture;
1000 frame->pts = curr_pos;
1001 ret = convert_pixfmt(vframe, frame);
1004 picture->queue(curr_pos);
1008 fprintf(stderr, "FFVideoStream::encode: encode failed\n");
1011 return ret >= 0 ? 0 : 1;
1014 int FFVideoStream::drain()
1019 int FFVideoStream::encode_frame(AVFrame *frame)
1022 frame->interlaced_frame = interlaced;
1023 frame->top_field_first = top_field_first;
1025 return FFStream::encode_frame(frame);
1028 int FFVideoStream::write_packet(FFPacket &pkt)
1030 if( !(ffmpeg->fmt_ctx->oformat->flags & AVFMT_VARIABLE_FPS) )
1032 return FFStream::write_packet(pkt);
1035 AVPixelFormat FFVideoConvert::color_model_to_pix_fmt(int color_model)
1037 switch( color_model ) {
1038 case BC_YUV422: return AV_PIX_FMT_YUYV422;
1039 case BC_RGB888: return AV_PIX_FMT_RGB24;
1040 case BC_RGBA8888: return AV_PIX_FMT_RGBA;
1041 case BC_BGR8888: return AV_PIX_FMT_BGR0;
1042 case BC_BGR888: return AV_PIX_FMT_BGR24;
1043 case BC_ARGB8888: return AV_PIX_FMT_ARGB;
1044 case BC_ABGR8888: return AV_PIX_FMT_ABGR;
1045 case BC_RGB8: return AV_PIX_FMT_RGB8;
1046 case BC_YUV420P: return AV_PIX_FMT_YUV420P;
1047 case BC_YUV422P: return AV_PIX_FMT_YUV422P;
1048 case BC_YUV444P: return AV_PIX_FMT_YUV444P;
1049 case BC_YUV411P: return AV_PIX_FMT_YUV411P;
1050 case BC_RGB565: return AV_PIX_FMT_RGB565;
1051 case BC_RGB161616: return AV_PIX_FMT_RGB48LE;
1052 case BC_RGBA16161616: return AV_PIX_FMT_RGBA64LE;
1053 case BC_AYUV16161616: return AV_PIX_FMT_AYUV64LE;
1054 case BC_GBRP: return AV_PIX_FMT_GBRP;
1058 return AV_PIX_FMT_NB;
1061 int FFVideoConvert::pix_fmt_to_color_model(AVPixelFormat pix_fmt)
1064 case AV_PIX_FMT_YUYV422: return BC_YUV422;
1065 case AV_PIX_FMT_RGB24: return BC_RGB888;
1066 case AV_PIX_FMT_RGBA: return BC_RGBA8888;
1067 case AV_PIX_FMT_BGR0: return BC_BGR8888;
1068 case AV_PIX_FMT_BGR24: return BC_BGR888;
1069 case AV_PIX_FMT_ARGB: return BC_ARGB8888;
1070 case AV_PIX_FMT_ABGR: return BC_ABGR8888;
1071 case AV_PIX_FMT_RGB8: return BC_RGB8;
1072 case AV_PIX_FMT_YUV420P: return BC_YUV420P;
1073 case AV_PIX_FMT_YUV422P: return BC_YUV422P;
1074 case AV_PIX_FMT_YUV444P: return BC_YUV444P;
1075 case AV_PIX_FMT_YUV411P: return BC_YUV411P;
1076 case AV_PIX_FMT_RGB565: return BC_RGB565;
1077 case AV_PIX_FMT_RGB48LE: return BC_RGB161616;
1078 case AV_PIX_FMT_RGBA64LE: return BC_RGBA16161616;
1079 case AV_PIX_FMT_AYUV64LE: return BC_AYUV16161616;
1080 case AV_PIX_FMT_GBRP: return BC_GBRP;
1087 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip)
1089 AVFrame *ipic = av_frame_alloc();
1090 int ret = convert_picture_vframe(frame, ip, ipic);
1091 av_frame_free(&ipic);
1095 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip, AVFrame *ipic)
1097 int cmodel = frame->get_color_model();
1098 AVPixelFormat ofmt = color_model_to_pix_fmt(cmodel);
1099 if( ofmt == AV_PIX_FMT_NB ) return -1;
1100 int size = av_image_fill_arrays(ipic->data, ipic->linesize,
1101 frame->get_data(), ofmt, frame->get_w(), frame->get_h(), 1);
1102 if( size < 0 ) return -1;
1104 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1105 int ysz = bpp * frame->get_w(), usz = ysz;
1114 // override av_image_fill_arrays() for planar types
1115 ipic->data[0] = frame->get_y(); ipic->linesize[0] = ysz;
1116 ipic->data[1] = frame->get_u(); ipic->linesize[1] = usz;
1117 ipic->data[2] = frame->get_v(); ipic->linesize[2] = usz;
1120 ipic->data[0] = frame->get_data();
1121 ipic->linesize[0] = frame->get_bytes_per_line();
1125 AVPixelFormat pix_fmt = (AVPixelFormat)ip->format;
1126 convert_ctx = sws_getCachedContext(convert_ctx, ip->width, ip->height, pix_fmt,
1127 frame->get_w(), frame->get_h(), ofmt, SWS_POINT, NULL, NULL, NULL);
1128 if( !convert_ctx ) {
1129 fprintf(stderr, "FFVideoConvert::convert_picture_frame:"
1130 " sws_getCachedContext() failed\n");
1133 int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ip->height,
1134 ipic->data, ipic->linesize);
1136 ff_err(ret, "FFVideoConvert::convert_picture_frame: sws_scale() failed\n");
1142 int FFVideoConvert::convert_cmodel(VFrame *frame, AVFrame *ip)
1144 // try direct transfer
1145 if( !convert_picture_vframe(frame, ip) ) return 1;
1146 // use indirect transfer
1147 AVPixelFormat ifmt = (AVPixelFormat)ip->format;
1148 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(ifmt);
1150 for( int i = 0; i <desc->nb_components; ++i ) {
1151 int bits = desc->comp[i].depth;
1152 if( bits > max_bits ) max_bits = bits;
1154 int imodel = pix_fmt_to_color_model(ifmt);
1155 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1156 int cmodel = frame->get_color_model();
1157 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1158 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1159 imodel = cmodel_is_yuv ?
1160 (BC_CModels::has_alpha(cmodel) ?
1162 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1163 (BC_CModels::has_alpha(cmodel) ?
1164 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1165 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1167 VFrame vframe(ip->width, ip->height, imodel);
1168 if( convert_picture_vframe(&vframe, ip) ) return -1;
1169 frame->transfer_from(&vframe);
1173 int FFVideoConvert::transfer_cmodel(VFrame *frame, AVFrame *ifp)
1175 int ret = convert_cmodel(frame, ifp);
1177 const AVDictionary *src = av_frame_get_metadata(ifp);
1178 AVDictionaryEntry *t = NULL;
1179 BC_Hash *hp = frame->get_params();
1181 while( (t=av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX)) )
1182 hp->update(t->key, t->value);
1187 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op)
1189 AVFrame *opic = av_frame_alloc();
1190 int ret = convert_vframe_picture(frame, op, opic);
1191 av_frame_free(&opic);
1195 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op, AVFrame *opic)
1197 int cmodel = frame->get_color_model();
1198 AVPixelFormat ifmt = color_model_to_pix_fmt(cmodel);
1199 if( ifmt == AV_PIX_FMT_NB ) return -1;
1200 int size = av_image_fill_arrays(opic->data, opic->linesize,
1201 frame->get_data(), ifmt, frame->get_w(), frame->get_h(), 1);
1202 if( size < 0 ) return -1;
1204 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1205 int ysz = bpp * frame->get_w(), usz = ysz;
1214 // override av_image_fill_arrays() for planar types
1215 opic->data[0] = frame->get_y(); opic->linesize[0] = ysz;
1216 opic->data[1] = frame->get_u(); opic->linesize[1] = usz;
1217 opic->data[2] = frame->get_v(); opic->linesize[2] = usz;
1220 opic->data[0] = frame->get_data();
1221 opic->linesize[0] = frame->get_bytes_per_line();
1225 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1226 convert_ctx = sws_getCachedContext(convert_ctx, frame->get_w(), frame->get_h(),
1227 ifmt, op->width, op->height, ofmt, SWS_POINT, NULL, NULL, NULL);
1228 if( !convert_ctx ) {
1229 fprintf(stderr, "FFVideoConvert::convert_frame_picture:"
1230 " sws_getCachedContext() failed\n");
1233 int ret = sws_scale(convert_ctx, opic->data, opic->linesize, 0, frame->get_h(),
1234 op->data, op->linesize);
1236 ff_err(ret, "FFVideoConvert::convert_frame_picture: sws_scale() failed\n");
1242 int FFVideoConvert::convert_pixfmt(VFrame *frame, AVFrame *op)
1244 // try direct transfer
1245 if( !convert_vframe_picture(frame, op) ) return 1;
1246 // use indirect transfer
1247 int cmodel = frame->get_color_model();
1248 int max_bits = BC_CModels::calculate_pixelsize(cmodel) * 8;
1249 max_bits /= BC_CModels::components(cmodel);
1250 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1251 int imodel = pix_fmt_to_color_model(ofmt);
1252 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1253 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1254 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1255 imodel = cmodel_is_yuv ?
1256 (BC_CModels::has_alpha(cmodel) ?
1258 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1259 (BC_CModels::has_alpha(cmodel) ?
1260 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1261 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1263 VFrame vframe(frame->get_w(), frame->get_h(), imodel);
1264 vframe.transfer_from(frame);
1265 if( !convert_vframe_picture(&vframe, op) ) return 1;
1269 int FFVideoConvert::transfer_pixfmt(VFrame *frame, AVFrame *ofp)
1271 int ret = convert_pixfmt(frame, ofp);
1273 BC_Hash *hp = frame->get_params();
1274 AVDictionary **dict = avpriv_frame_get_metadatap(ofp);
1275 //av_dict_free(dict);
1276 for( int i=0; i<hp->size(); ++i ) {
1277 char *key = hp->get_key(i), *val = hp->get_value(i);
1278 av_dict_set(dict, key, val, 0);
1284 void FFVideoStream::load_markers()
1286 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1287 if( !index_state || idx >= index_state->video_markers.size() ) return;
1288 FFStream::load_markers(*index_state->video_markers[idx], frame_rate);
1291 IndexMarks *FFVideoStream::get_markers()
1293 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1294 if( !index_state || idx >= index_state->video_markers.size() ) return 0;
1295 return !index_state ? 0 : index_state->video_markers[idx];
1299 FFMPEG::FFMPEG(FileBase *file_base)
1302 this->file_base = file_base;
1303 memset(file_format,0,sizeof(file_format));
1304 mux_lock = new Condition(0,"FFMPEG::mux_lock",0);
1305 flow_lock = new Condition(1,"FFStream::flow_lock",0);
1308 decoding = encoding = 0;
1309 has_audio = has_video = 0;
1312 opt_video_filter = 0;
1313 opt_audio_filter = 0;
1314 char option_path[BCTEXTLEN];
1315 set_option_path(option_path, "%s", "ffmpeg.opts");
1316 read_options(option_path, opts);
1321 ff_lock("FFMPEG::~FFMPEG()");
1323 ffaudio.remove_all_objects();
1324 ffvideo.remove_all_objects();
1325 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
1329 av_dict_free(&opts);
1330 delete [] opt_video_filter;
1331 delete [] opt_audio_filter;
1334 int FFMPEG::check_sample_rate(AVCodec *codec, int sample_rate)
1336 const int *p = codec->supported_samplerates;
1337 if( !p ) return sample_rate;
1339 if( *p == sample_rate ) return *p;
1345 static inline AVRational std_frame_rate(int i)
1347 static const int m1 = 1001*12, m2 = 1000*12;
1348 static const int freqs[] = {
1349 40*m1, 48*m1, 50*m1, 60*m1, 80*m1,120*m1, 240*m1,
1350 24*m2, 30*m2, 60*m2, 12*m2, 15*m2, 48*m2, 0,
1352 int freq = i<30*12 ? (i+1)*1001 : freqs[i-30*12];
1353 return (AVRational) { freq, 1001*12 };
1356 AVRational FFMPEG::check_frame_rate(AVCodec *codec, double frame_rate)
1358 const AVRational *p = codec->supported_framerates;
1359 AVRational rate, best_rate = (AVRational) { 0, 0 };
1360 double max_err = 1.; int i = 0;
1361 while( ((p ? (rate=*p++) : (rate=std_frame_rate(i++))), rate.num) != 0 ) {
1362 double framerate = (double) rate.num / rate.den;
1363 double err = fabs(frame_rate/framerate - 1.);
1364 if( err >= max_err ) continue;
1368 return max_err < 0.0001 ? best_rate : (AVRational) { 0, 0 };
1371 AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset)
1374 double display_aspect = asset->width / (double)asset->height;
1375 double sample_aspect = display_aspect / asset->aspect_ratio;
1376 int width = 1000000, height = width * sample_aspect + 0.5;
1378 MWindow::create_aspect_ratio(w, h, width, height);
1379 return (AVRational){(int)w, (int)h};
1382 return (AVRational){1, 1};
1386 AVRational FFMPEG::to_time_base(int sample_rate)
1388 return (AVRational){1, sample_rate};
1391 int FFMPEG::get_fmt_score(AVSampleFormat dst_fmt, AVSampleFormat src_fmt)
1394 int dst_planar = av_sample_fmt_is_planar(dst_fmt);
1395 int src_planar = av_sample_fmt_is_planar(src_fmt);
1396 if( dst_planar != src_planar ) ++score;
1397 int dst_bytes = av_get_bytes_per_sample(dst_fmt);
1398 int src_bytes = av_get_bytes_per_sample(src_fmt);
1399 score += (src_bytes > dst_bytes ? 100 : -10) * (src_bytes - dst_bytes);
1400 int src_packed = av_get_packed_sample_fmt(src_fmt);
1401 int dst_packed = av_get_packed_sample_fmt(dst_fmt);
1402 if( dst_packed == AV_SAMPLE_FMT_S32 && src_packed == AV_SAMPLE_FMT_FLT ) score += 20;
1403 if( dst_packed == AV_SAMPLE_FMT_FLT && src_packed == AV_SAMPLE_FMT_S32 ) score += 2;
1407 AVSampleFormat FFMPEG::find_best_sample_fmt_of_list(
1408 const AVSampleFormat *sample_fmts, AVSampleFormat src_fmt)
1410 AVSampleFormat best = AV_SAMPLE_FMT_NONE;
1411 int best_score = get_fmt_score(best, src_fmt);
1412 for( int i=0; sample_fmts[i] >= 0; ++i ) {
1413 AVSampleFormat sample_fmt = sample_fmts[i];
1414 int score = get_fmt_score(sample_fmt, src_fmt);
1415 if( score >= best_score ) continue;
1416 best = sample_fmt; best_score = score;
1422 void FFMPEG::set_option_path(char *path, const char *fmt, ...)
1424 char *ep = path + BCTEXTLEN-1;
1425 strncpy(path, File::get_cindat_path(), ep-path);
1426 strncat(path, "/ffmpeg/", ep-path);
1427 path += strlen(path);
1430 path += vsnprintf(path, ep-path, fmt, ap);
1435 void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
1440 set_option_path(path, "%s/%s", type, spec);
1443 int FFMPEG::get_format(char *format, const char *path, const char *spec)
1445 char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
1446 get_option_path(option_path, path, spec);
1447 FILE *fp = fopen(option_path,"r");
1450 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1452 line[sizeof(line)-1] = 0;
1453 ret = scan_option_line(line, format, codec);
1459 int FFMPEG::get_codec(char *codec, const char *path, const char *spec)
1461 char option_path[BCTEXTLEN], line[BCTEXTLEN], format[BCTEXTLEN];
1462 get_option_path(option_path, path, spec);
1463 FILE *fp = fopen(option_path,"r");
1466 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1469 line[sizeof(line)-1] = 0;
1470 ret = scan_option_line(line, format, codec);
1473 char *vp = codec, *ep = vp+BCTEXTLEN-1;
1474 while( vp < ep && *vp && *vp != '|' ) ++vp;
1475 if( *vp == '|' ) --vp;
1476 while( vp > codec && (*vp==' ' || *vp=='\t') ) *vp-- = 0;
1481 int FFMPEG::get_file_format()
1483 char audio_muxer[BCSTRLEN], video_muxer[BCSTRLEN];
1484 char audio_format[BCSTRLEN], video_format[BCSTRLEN];
1485 audio_muxer[0] = audio_format[0] = 0;
1486 video_muxer[0] = video_format[0] = 0;
1487 Asset *asset = file_base->asset;
1488 int ret = asset ? 0 : 1;
1489 if( !ret && asset->audio_data ) {
1490 if( !(ret=get_format(audio_format, "audio", asset->acodec)) ) {
1491 if( get_format(audio_muxer, "format", audio_format) ) {
1492 strcpy(audio_muxer, audio_format);
1493 audio_format[0] = 0;
1497 if( !ret && asset->video_data ) {
1498 if( !(ret=get_format(video_format, "video", asset->vcodec)) ) {
1499 if( get_format(video_muxer, "format", video_format) ) {
1500 strcpy(video_muxer, video_format);
1501 video_format[0] = 0;
1505 if( !ret && !audio_muxer[0] && !video_muxer[0] )
1507 if( !ret && audio_muxer[0] && video_muxer[0] &&
1508 strcmp(audio_muxer, video_muxer) ) ret = -1;
1509 if( !ret && audio_format[0] && video_format[0] &&
1510 strcmp(audio_format, video_format) ) ret = -1;
1512 strcpy(file_format, !audio_format[0] && !video_format[0] ?
1513 (audio_muxer[0] ? audio_muxer : video_muxer) :
1514 (audio_format[0] ? audio_format : video_format));
1518 int FFMPEG::scan_option_line(const char *cp, char *tag, char *val)
1520 while( *cp == ' ' || *cp == '\t' ) ++cp;
1521 const char *bp = cp;
1522 while( *cp && *cp != ' ' && *cp != '\t' && *cp != '=' && *cp != '\n' ) ++cp;
1524 if( !len || len > BCSTRLEN-1 ) return 1;
1525 while( bp < cp ) *tag++ = *bp++;
1527 while( *cp == ' ' || *cp == '\t' ) ++cp;
1528 if( *cp == '=' ) ++cp;
1529 while( *cp == ' ' || *cp == '\t' ) ++cp;
1531 while( *cp && *cp != '\n' ) ++cp;
1533 if( len > BCTEXTLEN-1 ) return 1;
1534 while( bp < cp ) *val++ = *bp++;
1539 int FFMPEG::can_render(const char *fformat, const char *type)
1542 char option_path[BCTEXTLEN];
1543 FFMPEG::set_option_path(option_path, type);
1544 fs.update(option_path);
1545 int total_files = fs.total_files();
1546 for( int i=0; i<total_files; ++i ) {
1547 const char *name = fs.get_entry(i)->get_name();
1548 const char *ext = strrchr(name,'.');
1549 if( !ext ) continue;
1550 if( !strcmp(fformat, ++ext) ) return 1;
1555 int FFMPEG::get_ff_option(const char *nm, const char *options, char *value)
1557 for( const char *cp=options; *cp!=0; ) {
1558 char line[BCTEXTLEN], *bp = line, *ep = bp+sizeof(line)-1;
1559 while( bp < ep && *cp && *cp!='\n' ) *bp++ = *cp++;
1562 if( !line[0] || line[0] == '#' || line[0] == ';' ) continue;
1563 char key[BCSTRLEN], val[BCTEXTLEN];
1564 if( FFMPEG::scan_option_line(line, key, val) ) continue;
1565 if( !strcmp(key, nm) ) {
1566 strncpy(value, val, BCSTRLEN);
1573 void FFMPEG::scan_audio_options(Asset *asset, EDL *edl)
1575 char cin_sample_fmt[BCSTRLEN];
1576 int cin_fmt = AV_SAMPLE_FMT_NONE;
1577 const char *options = asset->ff_audio_options;
1578 if( !get_ff_option("cin_sample_fmt", options, cin_sample_fmt) )
1579 cin_fmt = (int)av_get_sample_fmt(cin_sample_fmt);
1581 char audio_codec[BCSTRLEN]; audio_codec[0] = 0;
1582 AVCodec *av_codec = !FFMPEG::get_codec(audio_codec, "audio", asset->acodec) ?
1583 avcodec_find_encoder_by_name(audio_codec) : 0;
1584 if( av_codec && av_codec->sample_fmts )
1585 cin_fmt = find_best_sample_fmt_of_list(av_codec->sample_fmts, AV_SAMPLE_FMT_FLT);
1587 if( cin_fmt < 0 ) cin_fmt = AV_SAMPLE_FMT_S16;
1588 const char *name = av_get_sample_fmt_name((AVSampleFormat)cin_fmt);
1589 if( !name ) name = _("None");
1590 strcpy(asset->ff_sample_format, name);
1592 char value[BCSTRLEN];
1593 if( !get_ff_option("cin_bitrate", options, value) )
1594 asset->ff_audio_bitrate = atoi(value);
1595 if( !get_ff_option("cin_quality", options, value) )
1596 asset->ff_audio_quality = atoi(value);
1599 void FFMPEG::load_audio_options(Asset *asset, EDL *edl)
1601 char options_path[BCTEXTLEN];
1602 set_option_path(options_path, "audio/%s", asset->acodec);
1603 if( !load_options(options_path,
1604 asset->ff_audio_options,
1605 sizeof(asset->ff_audio_options)) )
1606 scan_audio_options(asset, edl);
1609 void FFMPEG::scan_video_options(Asset *asset, EDL *edl)
1611 char cin_pix_fmt[BCSTRLEN];
1612 int cin_fmt = AV_PIX_FMT_NONE;
1613 const char *options = asset->ff_video_options;
1614 if( !get_ff_option("cin_pix_fmt", options, cin_pix_fmt) )
1615 cin_fmt = (int)av_get_pix_fmt(cin_pix_fmt);
1617 char video_codec[BCSTRLEN]; video_codec[0] = 0;
1618 AVCodec *av_codec = !get_codec(video_codec, "video", asset->vcodec) ?
1619 avcodec_find_encoder_by_name(video_codec) : 0;
1620 if( av_codec && av_codec->pix_fmts ) {
1622 int color_model = edl->session->color_model;
1623 int max_bits = BC_CModels::calculate_pixelsize(color_model) * 8;
1624 max_bits /= BC_CModels::components(color_model);
1625 cin_fmt = avcodec_find_best_pix_fmt_of_list(av_codec->pix_fmts,
1626 (BC_CModels::is_yuv(color_model) ?
1627 (max_bits > 8 ? AV_PIX_FMT_AYUV64LE : AV_PIX_FMT_YUV444P) :
1628 (max_bits > 8 ? AV_PIX_FMT_RGB48LE : AV_PIX_FMT_RGB24)), 0, 0);
1631 cin_fmt = av_codec->pix_fmts[0];
1634 if( cin_fmt < 0 ) cin_fmt = AV_PIX_FMT_YUV420P;
1635 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get((AVPixelFormat)cin_fmt);
1636 const char *name = desc ? desc->name : _("None");
1637 strcpy(asset->ff_pixel_format, name);
1639 char value[BCSTRLEN];
1640 if( !get_ff_option("cin_bitrate", options, value) )
1641 asset->ff_video_bitrate = atoi(value);
1642 if( !get_ff_option("cin_quality", options, value) )
1643 asset->ff_video_quality = atoi(value);
1646 void FFMPEG::load_video_options(Asset *asset, EDL *edl)
1648 char options_path[BCTEXTLEN];
1649 set_option_path(options_path, "video/%s", asset->vcodec);
1650 if( !load_options(options_path,
1651 asset->ff_video_options,
1652 sizeof(asset->ff_video_options)) )
1653 scan_video_options(asset, edl);
1656 int FFMPEG::load_defaults(const char *path, const char *type,
1657 char *codec, char *codec_options, int len)
1659 char default_file[BCTEXTLEN];
1660 set_option_path(default_file, "%s/%s.dfl", path, type);
1661 FILE *fp = fopen(default_file,"r");
1663 fgets(codec, BCSTRLEN, fp);
1665 while( *cp && *cp!='\n' ) ++cp;
1667 while( len > 0 && fgets(codec_options, len, fp) ) {
1668 int n = strlen(codec_options);
1669 codec_options += n; len -= n;
1672 set_option_path(default_file, "%s/%s", path, codec);
1673 return load_options(default_file, codec_options, len);
1676 void FFMPEG::set_asset_format(Asset *asset, EDL *edl, const char *text)
1678 if( asset->format != FILE_FFMPEG ) return;
1679 if( text != asset->fformat )
1680 strcpy(asset->fformat, text);
1681 if( asset->audio_data && !asset->ff_audio_options[0] ) {
1682 if( !load_defaults("audio", text, asset->acodec,
1683 asset->ff_audio_options, sizeof(asset->ff_audio_options)) )
1684 scan_audio_options(asset, edl);
1686 asset->audio_data = 0;
1688 if( asset->video_data && !asset->ff_video_options[0] ) {
1689 if( !load_defaults("video", text, asset->vcodec,
1690 asset->ff_video_options, sizeof(asset->ff_video_options)) )
1691 scan_video_options(asset, edl);
1693 asset->video_data = 0;
1697 int FFMPEG::get_encoder(const char *options,
1698 char *format, char *codec, char *bsfilter)
1700 FILE *fp = fopen(options,"r");
1702 eprintf(_("options open failed %s\n"),options);
1705 char line[BCTEXTLEN];
1706 if( !fgets(line, sizeof(line), fp) ||
1707 scan_encoder(line, format, codec, bsfilter) )
1708 eprintf(_("format/codec not found %s\n"), options);
1713 int FFMPEG::scan_encoder(const char *line,
1714 char *format, char *codec, char *bsfilter)
1716 format[0] = codec[0] = bsfilter[0] = 0;
1717 if( scan_option_line(line, format, codec) ) return 1;
1719 while( *cp && *cp != '|' ) ++cp;
1720 if( !*cp ) return 0;
1722 do { *bp-- = 0; } while( bp>=codec && (*bp==' ' || *bp == '\t' ) );
1723 while( *++cp && (*cp==' ' || *cp == '\t') );
1725 for( int i=BCTEXTLEN; --i>0 && *cp; ) *bp++ = *cp++;
1730 int FFMPEG::read_options(const char *options, AVDictionary *&opts, int skip)
1732 FILE *fp = fopen(options,"r");
1735 while( !ret && --skip >= 0 ) {
1737 while( ch >= 0 && ch != '\n' ) ch = getc(fp);
1738 if( ch < 0 ) ret = 1;
1741 ret = read_options(fp, options, opts);
1746 int FFMPEG::scan_options(const char *options, AVDictionary *&opts, AVStream *st)
1748 FILE *fp = fmemopen((void *)options,strlen(options),"r");
1750 int ret = read_options(fp, options, opts);
1752 AVDictionaryEntry *tag = av_dict_get(opts, "id", NULL, 0);
1753 if( tag ) st->id = strtol(tag->value,0,0);
1757 int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
1759 int ret = 0, no = 0;
1760 char line[BCTEXTLEN];
1761 while( !ret && fgets(line, sizeof(line), fp) ) {
1762 line[sizeof(line)-1] = 0;
1763 if( line[0] == '#' ) continue;
1764 if( line[0] == '\n' ) continue;
1765 char key[BCSTRLEN], val[BCTEXTLEN];
1766 if( scan_option_line(line, key, val) ) {
1767 eprintf(_("err reading %s: line %d\n"), options, no);
1771 if( !strcmp(key, "duration") )
1772 opt_duration = strtod(val, 0);
1773 else if( !strcmp(key, "video_filter") )
1774 opt_video_filter = cstrdup(val);
1775 else if( !strcmp(key, "audio_filter") )
1776 opt_audio_filter = cstrdup(val);
1777 else if( !strcmp(key, "loglevel") )
1780 av_dict_set(&opts, key, val, 0);
1786 int FFMPEG::load_options(const char *options, AVDictionary *&opts)
1788 char option_path[BCTEXTLEN];
1789 set_option_path(option_path, "%s", options);
1790 return read_options(option_path, opts);
1793 int FFMPEG::load_options(const char *path, char *bfr, int len)
1796 FILE *fp = fopen(path, "r");
1798 fgets(bfr, len, fp); // skip hdr
1799 len = fread(bfr, 1, len-1, fp);
1800 if( len < 0 ) len = 0;
1806 void FFMPEG::set_loglevel(const char *ap)
1808 if( !ap || !*ap ) return;
1813 { "quiet" , AV_LOG_QUIET },
1814 { "panic" , AV_LOG_PANIC },
1815 { "fatal" , AV_LOG_FATAL },
1816 { "error" , AV_LOG_ERROR },
1817 { "warning", AV_LOG_WARNING },
1818 { "info" , AV_LOG_INFO },
1819 { "verbose", AV_LOG_VERBOSE },
1820 { "debug" , AV_LOG_DEBUG },
1822 for( int i=0; i<(int)(sizeof(log_levels)/sizeof(log_levels[0])); ++i ) {
1823 if( !strcmp(log_levels[i].name, ap) ) {
1824 av_log_set_level(log_levels[i].level);
1828 av_log_set_level(atoi(ap));
1831 double FFMPEG::to_secs(int64_t time, AVRational time_base)
1833 double base_time = time == AV_NOPTS_VALUE ? 0 :
1834 av_rescale_q(time, time_base, AV_TIME_BASE_Q);
1835 return base_time / AV_TIME_BASE;
1838 int FFMPEG::info(char *text, int len)
1840 if( len <= 0 ) return 0;
1842 #define report(s...) do { int n = snprintf(cp,len,s); cp += n; len -= n; } while(0)
1844 report("format: %s\n",fmt_ctx->iformat->name);
1845 if( ffvideo.size() > 0 )
1846 report("\n%d video stream%s\n",ffvideo.size(), ffvideo.size()!=1 ? "s" : "");
1847 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
1848 FFVideoStream *vid = ffvideo[vidx];
1849 AVStream *st = vid->st;
1850 AVCodecID codec_id = st->codecpar->codec_id;
1851 report(_("vid%d (%d), id 0x%06x:\n"), vid->idx, vid->fidx, codec_id);
1852 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
1853 report(" video%d %s", vidx+1, desc ? desc->name : " (unkn)");
1854 report(" %dx%d %5.2f", vid->width, vid->height, vid->frame_rate);
1855 AVPixelFormat pix_fmt = (AVPixelFormat)st->codecpar->format;
1856 const char *pfn = av_get_pix_fmt_name(pix_fmt);
1857 report(" pix %s\n", pfn ? pfn : "(unkn)");
1858 double secs = to_secs(st->duration, st->time_base);
1859 int64_t length = secs * vid->frame_rate + 0.5;
1860 double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
1861 int64_t nudge = ofs * vid->frame_rate;
1862 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
1863 report(" %jd%c%jd frms %0.2f secs", length,ch,nudge, secs);
1864 int hrs = secs/3600; secs -= hrs*3600;
1865 int mins = secs/60; secs -= mins*60;
1866 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
1868 if( ffaudio.size() > 0 )
1869 report("\n%d audio stream%s\n",ffaudio.size(), ffaudio.size()!=1 ? "s" : "");
1870 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
1871 FFAudioStream *aud = ffaudio[aidx];
1872 AVStream *st = aud->st;
1873 AVCodecID codec_id = st->codecpar->codec_id;
1874 report(_("aud%d (%d), id 0x%06x:\n"), aud->idx, aud->fidx, codec_id);
1875 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
1876 int nch = aud->channels, ch0 = aud->channel0+1;
1877 report(" audio%d-%d %s", ch0, ch0+nch-1, desc ? desc->name : " (unkn)");
1878 AVSampleFormat sample_fmt = (AVSampleFormat)st->codecpar->format;
1879 const char *fmt = av_get_sample_fmt_name(sample_fmt);
1880 report(" %s %d", fmt, aud->sample_rate);
1881 int sample_bits = av_get_bits_per_sample(codec_id);
1882 report(" %dbits\n", sample_bits);
1883 double secs = to_secs(st->duration, st->time_base);
1884 int64_t length = secs * aud->sample_rate + 0.5;
1885 double ofs = to_secs((aud->nudge - st->start_time), st->time_base);
1886 int64_t nudge = ofs * aud->sample_rate;
1887 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
1888 report(" %jd%c%jd smpl %0.2f secs", length,ch,nudge, secs);
1889 int hrs = secs/3600; secs -= hrs*3600;
1890 int mins = secs/60; secs -= mins*60;
1891 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
1893 if( fmt_ctx->nb_programs > 0 )
1894 report("\n%d program%s\n",fmt_ctx->nb_programs, fmt_ctx->nb_programs!=1 ? "s" : "");
1895 for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
1896 report("program %d", i+1);
1897 AVProgram *pgrm = fmt_ctx->programs[i];
1898 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
1899 int idx = pgrm->stream_index[j];
1900 int vidx = ffvideo.size();
1901 while( --vidx>=0 && ffvideo[vidx]->fidx != idx );
1903 report(", vid%d", vidx);
1906 int aidx = ffaudio.size();
1907 while( --aidx>=0 && ffaudio[aidx]->fidx != idx );
1909 report(", aud%d", aidx);
1912 report(", (%d)", pgrm->stream_index[j]);
1917 AVDictionaryEntry *tag = 0;
1918 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
1919 report("%s=%s\n", tag->key, tag->value);
1928 int FFMPEG::init_decoder(const char *filename)
1930 ff_lock("FFMPEG::init_decoder");
1932 char file_opts[BCTEXTLEN];
1933 char *bp = strrchr(strcpy(file_opts, filename), '/');
1934 char *sp = strrchr(!bp ? file_opts : bp, '.');
1935 if( !sp ) sp = bp + strlen(bp);
1937 AVInputFormat *ifmt = 0;
1939 strcpy(sp, ".opts");
1940 fp = fopen(file_opts, "r");
1943 read_options(fp, file_opts, opts);
1945 AVDictionaryEntry *tag;
1946 if( (tag=av_dict_get(opts, "format", NULL, 0)) != 0 ) {
1947 ifmt = av_find_input_format(tag->value);
1951 load_options("decode.opts", opts);
1952 AVDictionary *fopts = 0;
1953 av_dict_copy(&fopts, opts, 0);
1954 int ret = avformat_open_input(&fmt_ctx, filename, ifmt, &fopts);
1955 av_dict_free(&fopts);
1957 ret = avformat_find_stream_info(fmt_ctx, NULL);
1962 return !ret ? 0 : 1;
1965 int FFMPEG::open_decoder()
1968 if( stat(fmt_ctx->filename, &st) < 0 ) {
1969 eprintf(_("can't stat file: %s\n"), fmt_ctx->filename);
1973 int64_t file_bits = 8 * st.st_size;
1974 if( !fmt_ctx->bit_rate && opt_duration > 0 )
1975 fmt_ctx->bit_rate = file_bits / opt_duration;
1978 if( fmt_ctx->bit_rate > 0 ) {
1979 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
1980 AVStream *st = fmt_ctx->streams[i];
1981 if( st->duration != AV_NOPTS_VALUE ) continue;
1982 if( st->time_base.num > INT64_MAX / fmt_ctx->bit_rate ) continue;
1983 st->duration = av_rescale(file_bits, st->time_base.den,
1984 fmt_ctx->bit_rate * (int64_t) st->time_base.num);
1988 static int notified = 0;
1989 if( !notified && estimated ) {
1991 printf("FFMPEG::open_decoder: some stream times estimated\n");
1994 ff_lock("FFMPEG::open_decoder");
1995 int ret = 0, bad_time = 0;
1996 for( int i=0; !ret && i<(int)fmt_ctx->nb_streams; ++i ) {
1997 AVStream *st = fmt_ctx->streams[i];
1998 if( st->duration == AV_NOPTS_VALUE ) bad_time = 1;
1999 AVCodecParameters *avpar = st->codecpar;
2000 const AVCodecDescriptor *codec_desc = avcodec_descriptor_get(avpar->codec_id);
2001 if( !codec_desc ) continue;
2002 switch( avpar->codec_type ) {
2003 case AVMEDIA_TYPE_VIDEO: {
2004 if( avpar->width < 1 ) continue;
2005 if( avpar->height < 1 ) continue;
2006 AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
2007 if( framerate.num < 1 ) continue;
2009 int vidx = ffvideo.size();
2010 FFVideoStream *vid = new FFVideoStream(this, st, vidx, i);
2011 vstrm_index.append(ffidx(vidx, 0));
2012 ffvideo.append(vid);
2013 vid->width = avpar->width;
2014 vid->height = avpar->height;
2015 vid->frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
2016 double secs = to_secs(st->duration, st->time_base);
2017 vid->length = secs * vid->frame_rate;
2018 vid->aspect_ratio = (double)st->sample_aspect_ratio.num / st->sample_aspect_ratio.den;
2019 vid->nudge = st->start_time;
2021 if( opt_video_filter )
2022 ret = vid->create_filter(opt_video_filter, avpar);
2024 case AVMEDIA_TYPE_AUDIO: {
2025 if( avpar->channels < 1 ) continue;
2026 if( avpar->sample_rate < 1 ) continue;
2028 int aidx = ffaudio.size();
2029 FFAudioStream *aud = new FFAudioStream(this, st, aidx, i);
2030 ffaudio.append(aud);
2031 aud->channel0 = astrm_index.size();
2032 aud->channels = avpar->channels;
2033 for( int ch=0; ch<aud->channels; ++ch )
2034 astrm_index.append(ffidx(aidx, ch));
2035 aud->sample_rate = avpar->sample_rate;
2036 double secs = to_secs(st->duration, st->time_base);
2037 aud->length = secs * aud->sample_rate;
2038 aud->init_swr(aud->channels, avpar->format, aud->sample_rate);
2039 aud->nudge = st->start_time;
2041 if( opt_audio_filter )
2042 ret = aud->create_filter(opt_audio_filter, avpar);
2048 printf("FFMPEG::open_decoder: some stream have bad times\n");
2050 return ret < 0 ? -1 : 0;
2054 int FFMPEG::init_encoder(const char *filename)
2056 // try access first for named pipes
2057 int ret = access(filename, W_OK);
2059 int fd = ::open(filename,O_WRONLY);
2060 if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
2061 if( fd >= 0 ) { close(fd); ret = 0; }
2064 eprintf(_("bad file path: %s\n"), filename);
2067 ret = get_file_format();
2069 eprintf(_("bad file format: %s\n"), filename);
2073 eprintf(_("mismatch audio/video file format: %s\n"), filename);
2076 ff_lock("FFMPEG::init_encoder");
2078 char format[BCSTRLEN];
2079 if( get_format(format, "format", file_format) )
2080 strcpy(format, file_format);
2081 avformat_alloc_output_context2(&fmt_ctx, 0, format, filename);
2083 eprintf(_("failed: %s\n"), filename);
2088 load_options("encode.opts", opts);
2094 int FFMPEG::open_encoder(const char *type, const char *spec)
2097 Asset *asset = file_base->asset;
2098 char *filename = asset->path;
2099 AVDictionary *sopts = 0;
2100 av_dict_copy(&sopts, opts, 0);
2101 char option_path[BCTEXTLEN];
2102 set_option_path(option_path, "%s/%s.opts", type, type);
2103 read_options(option_path, sopts);
2104 get_option_path(option_path, type, spec);
2105 char format_name[BCSTRLEN], codec_name[BCTEXTLEN], bsfilter[BCTEXTLEN];
2106 if( get_encoder(option_path, format_name, codec_name, bsfilter) ) {
2107 eprintf(_("get_encoder failed %s:%s\n"), option_path, filename);
2111 if( !strcmp(codec_name, CODEC_TAG_DVSD) ) strcpy(codec_name, "dv");
2112 else if( !strcmp(codec_name, CODEC_TAG_MJPEG) ) strcpy(codec_name, "mjpeg");
2113 else if( !strcmp(codec_name, CODEC_TAG_JPEG) ) strcpy(codec_name, "jpeg");
2116 ff_lock("FFMPEG::open_encoder");
2119 AVCodecContext *ctx = 0;
2121 const AVCodecDescriptor *codec_desc = 0;
2122 AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
2124 eprintf(_("cant find codec %s:%s\n"), codec_name, filename);
2128 codec_desc = avcodec_descriptor_get(codec->id);
2130 eprintf(_("unknown codec %s:%s\n"), codec_name, filename);
2135 st = avformat_new_stream(fmt_ctx, 0);
2137 eprintf(_("cant create stream %s:%s\n"), codec_name, filename);
2142 switch( codec_desc->type ) {
2143 case AVMEDIA_TYPE_AUDIO: {
2145 eprintf(_("duplicate audio %s:%s\n"), codec_name, filename);
2149 if( scan_options(asset->ff_audio_options, sopts, st) ) {
2150 eprintf(_("bad audio options %s:%s\n"), codec_name, filename);
2155 ctx = avcodec_alloc_context3(codec);
2156 if( asset->ff_audio_bitrate > 0 ) {
2157 ctx->bit_rate = asset->ff_audio_bitrate;
2159 sprintf(arg, "%d", asset->ff_audio_bitrate);
2160 av_dict_set(&sopts, "b", arg, 0);
2162 else if( asset->ff_audio_quality >= 0 ) {
2163 ctx->global_quality = asset->ff_audio_quality * FF_QP2LAMBDA;
2164 ctx->qmin = ctx->qmax = asset->ff_audio_quality;
2165 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2166 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2167 ctx->flags |= CODEC_FLAG_QSCALE;
2169 av_dict_set(&sopts, "flags", "+qscale", 0);
2170 sprintf(arg, "%d", asset->ff_audio_quality);
2171 av_dict_set(&sopts, "qscale", arg, 0);
2172 sprintf(arg, "%d", ctx->global_quality);
2173 av_dict_set(&sopts, "global_quality", arg, 0);
2175 int aidx = ffaudio.size();
2176 int fidx = aidx + ffvideo.size();
2177 FFAudioStream *aud = new FFAudioStream(this, st, aidx, fidx);
2178 aud->avctx = ctx; ffaudio.append(aud); fst = aud;
2179 aud->sample_rate = asset->sample_rate;
2180 ctx->channels = aud->channels = asset->channels;
2181 for( int ch=0; ch<aud->channels; ++ch )
2182 astrm_index.append(ffidx(aidx, ch));
2183 ctx->channel_layout = av_get_default_channel_layout(ctx->channels);
2184 ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
2185 if( !ctx->sample_rate ) {
2186 eprintf(_("check_sample_rate failed %s\n"), filename);
2190 ctx->time_base = st->time_base = (AVRational){1, aud->sample_rate};
2191 AVSampleFormat sample_fmt = av_get_sample_fmt(asset->ff_sample_format);
2192 if( sample_fmt == AV_SAMPLE_FMT_NONE )
2193 sample_fmt = codec->sample_fmts ? codec->sample_fmts[0] : AV_SAMPLE_FMT_S16;
2194 ctx->sample_fmt = sample_fmt;
2195 uint64_t layout = av_get_default_channel_layout(ctx->channels);
2196 aud->resample_context = swr_alloc_set_opts(NULL,
2197 layout, ctx->sample_fmt, aud->sample_rate,
2198 layout, AV_SAMPLE_FMT_FLT, ctx->sample_rate,
2200 swr_init(aud->resample_context);
2203 case AVMEDIA_TYPE_VIDEO: {
2205 eprintf(_("duplicate video %s:%s\n"), codec_name, filename);
2209 if( scan_options(asset->ff_video_options, sopts, st) ) {
2210 eprintf(_("bad video options %s:%s\n"), codec_name, filename);
2215 ctx = avcodec_alloc_context3(codec);
2216 if( asset->ff_video_bitrate > 0 ) {
2217 ctx->bit_rate = asset->ff_video_bitrate;
2219 sprintf(arg, "%d", asset->ff_video_bitrate);
2220 av_dict_set(&sopts, "b", arg, 0);
2222 else if( asset->ff_video_quality >= 0 ) {
2223 ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
2224 ctx->qmin = ctx->qmax = asset->ff_video_quality;
2225 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2226 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2227 ctx->flags |= CODEC_FLAG_QSCALE;
2229 av_dict_set(&sopts, "flags", "+qscale", 0);
2230 sprintf(arg, "%d", asset->ff_video_quality);
2231 av_dict_set(&sopts, "qscale", arg, 0);
2232 sprintf(arg, "%d", ctx->global_quality);
2233 av_dict_set(&sopts, "global_quality", arg, 0);
2235 int vidx = ffvideo.size();
2236 int fidx = vidx + ffaudio.size();
2237 FFVideoStream *vid = new FFVideoStream(this, st, vidx, fidx);
2238 vstrm_index.append(ffidx(vidx, 0));
2239 vid->avctx = ctx; ffvideo.append(vid); fst = vid;
2240 vid->width = asset->width;
2241 vid->height = asset->height;
2242 vid->frame_rate = asset->frame_rate;
2244 AVPixelFormat pix_fmt = av_get_pix_fmt(asset->ff_pixel_format);
2245 if( pix_fmt == AV_PIX_FMT_NONE )
2246 pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
2247 ctx->pix_fmt = pix_fmt;
2248 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
2249 int mask_w = (1<<desc->log2_chroma_w)-1;
2250 ctx->width = (vid->width+mask_w) & ~mask_w;
2251 int mask_h = (1<<desc->log2_chroma_h)-1;
2252 ctx->height = (vid->height+mask_h) & ~mask_h;
2253 ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset);
2254 AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
2255 if( !frame_rate.num || !frame_rate.den ) {
2256 eprintf(_("check_frame_rate failed %s\n"), filename);
2260 av_reduce(&frame_rate.num, &frame_rate.den,
2261 frame_rate.num, frame_rate.den, INT_MAX);
2262 ctx->framerate = (AVRational) { frame_rate.num, frame_rate.den };
2263 ctx->time_base = (AVRational) { frame_rate.den, frame_rate.num };
2264 st->avg_frame_rate = frame_rate;
2265 st->time_base = ctx->time_base;
2267 vid->interlaced = asset->interlace_mode == ILACE_MODE_TOP_FIRST ||
2268 asset->interlace_mode == ILACE_MODE_BOTTOM_FIRST ? 1 : 0;
2269 vid->top_field_first = asset->interlace_mode == ILACE_MODE_TOP_FIRST ? 1 : 0;
2272 eprintf(_("not audio/video, %s:%s\n"), codec_name, filename);
2277 AVDictionaryEntry *tag;
2278 if( (tag=av_dict_get(sopts, "cin_stats_filename", NULL, 0)) != 0 ) {
2279 char suffix[BCSTRLEN]; sprintf(suffix,"-%d.log",fst->fidx);
2280 fst->stats_filename = cstrcat(2, tag->value, suffix);
2282 if( (tag=av_dict_get(sopts, "flags", NULL, 0)) != 0 ) {
2283 int pass = fst->pass;
2284 char *cp = tag->value;
2286 int ch = *cp++, pfx = ch=='-' ? -1 : ch=='+' ? 1 : 0;
2287 if( !isalnum(!pfx ? ch : (ch=*cp++)) ) continue;
2288 char id[BCSTRLEN], *bp = id, *ep = bp+sizeof(id)-1;
2289 for( *bp++=ch; isalnum(ch=*cp); ++cp )
2290 if( bp < ep ) *bp++ = ch;
2292 if( !strcmp(id, "pass1") ) {
2293 pass = pfx<0 ? (pass&~1) : pfx>0 ? (pass|1) : 1;
2295 else if( !strcmp(id, "pass2") ) {
2296 pass = pfx<0 ? (pass&~2) : pfx>0 ? (pass|2) : 2;
2299 if( (fst->pass=pass) ) {
2300 if( pass & 1 ) ctx->flags |= AV_CODEC_FLAG_PASS1;
2301 if( pass & 2 ) ctx->flags |= AV_CODEC_FLAG_PASS2;
2307 if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
2308 ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
2309 if( fst->stats_filename && (ret=fst->init_stats_file()) )
2310 eprintf(_("error: stats file = %s\n"), fst->stats_filename);
2313 av_dict_set(&sopts, "cin_bitrate", 0, 0);
2314 av_dict_set(&sopts, "cin_quality", 0, 0);
2316 if( !av_dict_get(sopts, "threads", NULL, 0) )
2317 ctx->thread_count = ff_cpus();
2318 ret = avcodec_open2(ctx, codec, &sopts);
2320 ret = avcodec_parameters_from_context(st->codecpar, ctx);
2322 fprintf(stderr, "Could not copy the stream parameters\n");
2325 _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
2326 ret = avcodec_copy_context(st->codec, ctx);
2327 _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
2329 fprintf(stderr, "Could not copy the stream context\n");
2332 ff_err(ret,"FFMPEG::open_encoder");
2333 eprintf(_("open failed %s:%s\n"), codec_name, filename);
2339 if( !ret && fst && bsfilter[0] ) {
2340 ret = av_bsf_list_parse_str(bsfilter, &fst->bsfc);
2342 ff_err(ret,"FFMPEG::open_encoder");
2343 eprintf(_("bitstream filter failed %s:\n%s\n"), filename, bsfilter);
2354 av_dict_free(&sopts);
2358 int FFMPEG::close_encoder()
2361 if( encoding > 0 ) {
2362 av_write_trailer(fmt_ctx);
2363 if( !(fmt_ctx->flags & AVFMT_NOFILE) )
2364 avio_closep(&fmt_ctx->pb);
2370 int FFMPEG::decode_activate()
2372 if( decoding < 0 ) {
2374 for( int vidx=0; vidx<ffvideo.size(); ++vidx )
2375 ffvideo[vidx]->nudge = AV_NOPTS_VALUE;
2376 for( int aidx=0; aidx<ffaudio.size(); ++aidx )
2377 ffaudio[aidx]->nudge = AV_NOPTS_VALUE;
2378 // set nudges for each program stream set
2379 const int64_t min_nudge = INT64_MIN+1;
2380 int npgrms = fmt_ctx->nb_programs;
2381 for( int i=0; i<npgrms; ++i ) {
2382 AVProgram *pgrm = fmt_ctx->programs[i];
2383 // first start time video stream
2384 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2385 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2386 int fidx = pgrm->stream_index[j];
2387 AVStream *st = fmt_ctx->streams[fidx];
2388 AVCodecParameters *avpar = st->codecpar;
2389 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2390 if( st->start_time == AV_NOPTS_VALUE ) continue;
2391 if( vstart_time < st->start_time )
2392 vstart_time = st->start_time;
2395 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2396 if( st->start_time == AV_NOPTS_VALUE ) continue;
2397 if( astart_time < st->start_time )
2398 astart_time = st->start_time;
2402 //since frame rate is much more grainy than sample rate, it is better to
2403 // align using video, so that total absolute error is minimized.
2404 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2405 astart_time > min_nudge ? astart_time : AV_NOPTS_VALUE;
2406 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2407 int fidx = pgrm->stream_index[j];
2408 AVStream *st = fmt_ctx->streams[fidx];
2409 AVCodecParameters *avpar = st->codecpar;
2410 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2411 for( int k=0; k<ffvideo.size(); ++k ) {
2412 if( ffvideo[k]->fidx != fidx ) continue;
2413 ffvideo[k]->nudge = nudge;
2417 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2418 for( int k=0; k<ffaudio.size(); ++k ) {
2419 if( ffaudio[k]->fidx != fidx ) continue;
2420 ffaudio[k]->nudge = nudge;
2426 // set nudges for any streams not yet set
2427 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2428 int nstreams = fmt_ctx->nb_streams;
2429 for( int i=0; i<nstreams; ++i ) {
2430 AVStream *st = fmt_ctx->streams[i];
2431 AVCodecParameters *avpar = st->codecpar;
2432 switch( avpar->codec_type ) {
2433 case AVMEDIA_TYPE_VIDEO: {
2434 if( st->start_time == AV_NOPTS_VALUE ) continue;
2435 int vidx = ffvideo.size();
2436 while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
2437 if( vidx < 0 ) continue;
2438 if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
2439 if( vstart_time < st->start_time )
2440 vstart_time = st->start_time;
2442 case AVMEDIA_TYPE_AUDIO: {
2443 if( st->start_time == AV_NOPTS_VALUE ) continue;
2444 int aidx = ffaudio.size();
2445 while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
2446 if( aidx < 0 ) continue;
2447 if( ffaudio[aidx]->frame_sz < avpar->frame_size )
2448 ffaudio[aidx]->frame_sz = avpar->frame_size;
2449 if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
2450 if( astart_time < st->start_time )
2451 astart_time = st->start_time;
2456 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2457 astart_time > min_nudge ? astart_time : 0;
2458 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
2459 if( ffvideo[vidx]->nudge == AV_NOPTS_VALUE )
2460 ffvideo[vidx]->nudge = nudge;
2462 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
2463 if( ffaudio[aidx]->nudge == AV_NOPTS_VALUE )
2464 ffaudio[aidx]->nudge = nudge;
2471 int FFMPEG::encode_activate()
2474 if( encoding < 0 ) {
2476 if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
2477 (ret=avio_open(&fmt_ctx->pb, fmt_ctx->filename, AVIO_FLAG_WRITE)) < 0 ) {
2478 ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
2484 AVProgram *prog = av_new_program(fmt_ctx, prog_id);
2485 for( int i=0; i< ffvideo.size(); ++i )
2486 av_program_add_stream_index(fmt_ctx, prog_id, ffvideo[i]->fidx);
2487 for( int i=0; i< ffaudio.size(); ++i )
2488 av_program_add_stream_index(fmt_ctx, prog_id, ffaudio[i]->fidx);
2489 int pi = fmt_ctx->nb_programs;
2490 while( --pi >= 0 && fmt_ctx->programs[pi]->id != prog_id );
2491 AVDictionary **meta = &prog->metadata;
2492 av_dict_set(meta, "service_provider", "cin5", 0);
2493 const char *path = fmt_ctx->filename, *bp = strrchr(path,'/');
2494 if( bp ) path = bp + 1;
2495 av_dict_set(meta, "title", path, 0);
2497 if( ffaudio.size() ) {
2498 const char *ep = getenv("CIN_AUDIO_LANG"), *lp = 0;
2499 if( !ep && (lp=getenv("LANG")) ) { // some are guesses
2500 static struct { const char lc[3], lng[4]; } lcode[] = {
2501 { "en", "eng" }, { "de", "ger" }, { "es", "spa" },
2502 { "eu", "bas" }, { "fr", "fre" }, { "el", "gre" },
2503 { "hi", "hin" }, { "it", "ita" }, { "ja", "jap" },
2504 { "ko", "kor" }, { "du", "dut" }, { "pl", "pol" },
2505 { "pt", "por" }, { "ru", "rus" }, { "sl", "slv" },
2506 { "uk", "ukr" }, { "vi", "vie" }, { "zh", "chi" },
2508 for( int i=sizeof(lcode)/sizeof(lcode[0]); --i>=0 && !ep; )
2509 if( !strncmp(lcode[i].lc,lp,2) ) ep = lcode[i].lng;
2511 if( !ep ) ep = "und";
2513 strncpy(lang,ep,3); lang[3] = 0;
2514 AVStream *st = ffaudio[0]->st;
2515 av_dict_set(&st->metadata,"language",lang,0);
2518 AVDictionary *fopts = 0;
2519 char option_path[BCTEXTLEN];
2520 set_option_path(option_path, "format/%s", file_format);
2521 read_options(option_path, fopts, 1);
2522 ret = avformat_write_header(fmt_ctx, &fopts);
2524 ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
2528 av_dict_free(&fopts);
2535 int FFMPEG::audio_seek(int stream, int64_t pos)
2537 int aidx = astrm_index[stream].st_idx;
2538 FFAudioStream *aud = ffaudio[aidx];
2539 aud->audio_seek(pos);
2543 int FFMPEG::video_seek(int stream, int64_t pos)
2545 int vidx = vstrm_index[stream].st_idx;
2546 FFVideoStream *vid = ffvideo[vidx];
2547 vid->video_seek(pos);
2552 int FFMPEG::decode(int chn, int64_t pos, double *samples, int len)
2554 if( !has_audio || chn >= astrm_index.size() ) return -1;
2555 int aidx = astrm_index[chn].st_idx;
2556 FFAudioStream *aud = ffaudio[aidx];
2557 if( aud->load(pos, len) < len ) return -1;
2558 int ch = astrm_index[chn].st_ch;
2559 int ret = aud->read(samples,len,ch);
2563 int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)
2565 if( !has_video || layer >= vstrm_index.size() ) return -1;
2566 int vidx = vstrm_index[layer].st_idx;
2567 FFVideoStream *vid = ffvideo[vidx];
2568 return vid->load(vframe, pos);
2572 int FFMPEG::encode(int stream, double **samples, int len)
2574 FFAudioStream *aud = ffaudio[stream];
2575 return aud->encode(samples, len);
2579 int FFMPEG::encode(int stream, VFrame *frame)
2581 FFVideoStream *vid = ffvideo[stream];
2582 return vid->encode(frame);
2585 void FFMPEG::start_muxer()
2593 void FFMPEG::stop_muxer()
2602 void FFMPEG::flow_off()
2605 flow_lock->lock("FFMPEG::flow_off");
2609 void FFMPEG::flow_on()
2613 flow_lock->unlock();
2616 void FFMPEG::flow_ctl()
2619 flow_lock->lock("FFMPEG::flow_ctl");
2620 flow_lock->unlock();
2624 int FFMPEG::mux_audio(FFrame *frm)
2626 FFStream *fst = frm->fst;
2627 AVCodecContext *ctx = fst->avctx;
2628 AVFrame *frame = *frm;
2629 AVRational tick_rate = {1, ctx->sample_rate};
2630 frame->pts = av_rescale_q(frm->position, tick_rate, ctx->time_base);
2631 int ret = fst->encode_frame(frame);
2633 ff_err(ret, "FFMPEG::mux_audio");
2634 return ret >= 0 ? 0 : 1;
2637 int FFMPEG::mux_video(FFrame *frm)
2639 FFStream *fst = frm->fst;
2640 AVFrame *frame = *frm;
2641 frame->pts = frm->position;
2642 int ret = fst->encode_frame(frame);
2644 ff_err(ret, "FFMPEG::mux_video");
2645 return ret >= 0 ? 0 : 1;
2651 double atm = -1, vtm = -1;
2652 FFrame *afrm = 0, *vfrm = 0;
2654 for( int i=0; i<ffaudio.size(); ++i ) { // earliest audio
2655 FFStream *fst = ffaudio[i];
2656 if( fst->frm_count < 3 ) { demand = 1; flow_on(); }
2657 FFrame *frm = fst->frms.first;
2658 if( !frm ) { if( !done ) return; continue; }
2659 double tm = to_secs(frm->position, fst->avctx->time_base);
2660 if( atm < 0 || tm < atm ) { atm = tm; afrm = frm; }
2662 for( int i=0; i<ffvideo.size(); ++i ) { // earliest video
2663 FFStream *fst = ffvideo[i];
2664 if( fst->frm_count < 2 ) { demand = 1; flow_on(); }
2665 FFrame *frm = fst->frms.first;
2666 if( !frm ) { if( !done ) return; continue; }
2667 double tm = to_secs(frm->position, fst->avctx->time_base);
2668 if( vtm < 0 || tm < vtm ) { vtm = tm; vfrm = frm; }
2670 if( !demand ) flow_off();
2671 if( !afrm && !vfrm ) break;
2672 int v = !afrm ? -1 : !vfrm ? 1 : av_compare_ts(
2673 vfrm->position, vfrm->fst->avctx->time_base,
2674 afrm->position, afrm->fst->avctx->time_base);
2675 FFrame *frm = v <= 0 ? vfrm : afrm;
2676 if( frm == afrm ) mux_audio(frm);
2677 if( frm == vfrm ) mux_video(frm);
2686 mux_lock->lock("FFMPEG::run");
2689 for( int i=0; i<ffaudio.size(); ++i )
2690 ffaudio[i]->drain();
2691 for( int i=0; i<ffvideo.size(); ++i )
2692 ffvideo[i]->drain();
2694 for( int i=0; i<ffaudio.size(); ++i )
2695 ffaudio[i]->flush();
2696 for( int i=0; i<ffvideo.size(); ++i )
2697 ffvideo[i]->flush();
2701 int FFMPEG::ff_total_audio_channels()
2703 return astrm_index.size();
2706 int FFMPEG::ff_total_astreams()
2708 return ffaudio.size();
2711 int FFMPEG::ff_audio_channels(int stream)
2713 return ffaudio[stream]->channels;
2716 int FFMPEG::ff_sample_rate(int stream)
2718 return ffaudio[stream]->sample_rate;
2721 const char* FFMPEG::ff_audio_format(int stream)
2723 AVStream *st = ffaudio[stream]->st;
2724 AVCodecID id = st->codecpar->codec_id;
2725 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
2726 return desc ? desc->name : _("Unknown");
2729 int FFMPEG::ff_audio_pid(int stream)
2731 return ffaudio[stream]->st->id;
2734 int64_t FFMPEG::ff_audio_samples(int stream)
2736 return ffaudio[stream]->length;
2739 // find audio astream/channels with this program,
2740 // or all program audio channels (astream=-1)
2741 int FFMPEG::ff_audio_for_video(int vstream, int astream, int64_t &channel_mask)
2745 int vidx = ffvideo[vstream]->fidx;
2746 // find first program with this video stream
2747 for( int i=0; pidx<0 && i<(int)fmt_ctx->nb_programs; ++i ) {
2748 AVProgram *pgrm = fmt_ctx->programs[i];
2749 for( int j=0; pidx<0 && j<(int)pgrm->nb_stream_indexes; ++j ) {
2750 int st_idx = pgrm->stream_index[j];
2751 AVStream *st = fmt_ctx->streams[st_idx];
2752 if( st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ) continue;
2753 if( st_idx == vidx ) pidx = i;
2756 if( pidx < 0 ) return -1;
2758 int64_t channels = 0;
2759 AVProgram *pgrm = fmt_ctx->programs[pidx];
2760 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2761 int aidx = pgrm->stream_index[j];
2762 AVStream *st = fmt_ctx->streams[aidx];
2763 if( st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
2764 if( astream > 0 ) { --astream; continue; }
2766 for( int i=0; astrm<0 && i<ffaudio.size(); ++i )
2767 if( ffaudio[i]->fidx == aidx ) astrm = i;
2769 if( ret < 0 ) ret = astrm;
2770 int64_t mask = (1 << ffaudio[astrm]->channels) - 1;
2771 channels |= mask << ffaudio[astrm]->channel0;
2773 if( !astream ) break;
2775 channel_mask = channels;
2780 int FFMPEG::ff_total_video_layers()
2782 return vstrm_index.size();
2785 int FFMPEG::ff_total_vstreams()
2787 return ffvideo.size();
2790 int FFMPEG::ff_video_width(int stream)
2792 return ffvideo[stream]->width;
2795 int FFMPEG::ff_video_height(int stream)
2797 return ffvideo[stream]->height;
2800 int FFMPEG::ff_set_video_width(int stream, int width)
2802 int w = ffvideo[stream]->width;
2803 ffvideo[stream]->width = width;
2807 int FFMPEG::ff_set_video_height(int stream, int height)
2809 int h = ffvideo[stream]->height;
2810 ffvideo[stream]->height = height;
2814 int FFMPEG::ff_coded_width(int stream)
2816 return ffvideo[stream]->avctx->coded_width;
2819 int FFMPEG::ff_coded_height(int stream)
2821 return ffvideo[stream]->avctx->coded_height;
2824 float FFMPEG::ff_aspect_ratio(int stream)
2826 return ffvideo[stream]->aspect_ratio;
2829 const char* FFMPEG::ff_video_format(int stream)
2831 AVStream *st = ffvideo[stream]->st;
2832 AVCodecID id = st->codecpar->codec_id;
2833 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
2834 return desc ? desc->name : _("Unknown");
2837 double FFMPEG::ff_frame_rate(int stream)
2839 return ffvideo[stream]->frame_rate;
2842 int64_t FFMPEG::ff_video_frames(int stream)
2844 return ffvideo[stream]->length;
2847 int FFMPEG::ff_video_pid(int stream)
2849 return ffvideo[stream]->st->id;
2852 int FFMPEG::ff_video_mpeg_color_range(int stream)
2854 return ffvideo[stream]->st->codecpar->color_range == AVCOL_RANGE_MPEG ? 1 : 0;
2857 int FFMPEG::ff_cpus()
2859 return file_base->file->cpus;
2862 int FFVideoStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
2864 avfilter_register_all();
2865 const char *sp = filter_spec;
2866 char filter_name[BCSTRLEN], *np = filter_name;
2867 int i = sizeof(filter_name);
2868 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
2870 AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
2871 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_VIDEO ) {
2872 ff_err(AVERROR(EINVAL), "FFVideoStream::create_filter: %s\n", filter_spec);
2875 filter_graph = avfilter_graph_alloc();
2876 AVFilter *buffersrc = avfilter_get_by_name("buffer");
2877 AVFilter *buffersink = avfilter_get_by_name("buffersink");
2879 int ret = 0; char args[BCTEXTLEN];
2880 AVPixelFormat pix_fmt = (AVPixelFormat)avpar->format;
2881 snprintf(args, sizeof(args),
2882 "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
2883 avpar->width, avpar->height, (int)pix_fmt,
2884 st->time_base.num, st->time_base.den,
2885 avpar->sample_aspect_ratio.num, avpar->sample_aspect_ratio.den);
2887 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
2888 args, NULL, filter_graph);
2890 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
2891 NULL, NULL, filter_graph);
2893 ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",
2894 (uint8_t*)&pix_fmt, sizeof(pix_fmt),
2895 AV_OPT_SEARCH_CHILDREN);
2897 ff_err(ret, "FFVideoStream::create_filter");
2899 ret = FFStream::create_filter(filter_spec);
2900 return ret >= 0 ? 0 : -1;
2903 int FFAudioStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
2905 avfilter_register_all();
2906 const char *sp = filter_spec;
2907 char filter_name[BCSTRLEN], *np = filter_name;
2908 int i = sizeof(filter_name);
2909 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
2911 AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
2912 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_AUDIO ) {
2913 ff_err(AVERROR(EINVAL), "FFAudioStream::create_filter: %s\n", filter_spec);
2916 filter_graph = avfilter_graph_alloc();
2917 AVFilter *buffersrc = avfilter_get_by_name("abuffer");
2918 AVFilter *buffersink = avfilter_get_by_name("abuffersink");
2919 int ret = 0; char args[BCTEXTLEN];
2920 AVSampleFormat sample_fmt = (AVSampleFormat)avpar->format;
2921 snprintf(args, sizeof(args),
2922 "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%jx",
2923 st->time_base.num, st->time_base.den, avpar->sample_rate,
2924 av_get_sample_fmt_name(sample_fmt), avpar->channel_layout);
2926 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
2927 args, NULL, filter_graph);
2929 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
2930 NULL, NULL, filter_graph);
2932 ret = av_opt_set_bin(buffersink_ctx, "sample_fmts",
2933 (uint8_t*)&sample_fmt, sizeof(sample_fmt),
2934 AV_OPT_SEARCH_CHILDREN);
2936 ret = av_opt_set_bin(buffersink_ctx, "channel_layouts",
2937 (uint8_t*)&avpar->channel_layout,
2938 sizeof(avpar->channel_layout), AV_OPT_SEARCH_CHILDREN);
2940 ret = av_opt_set_bin(buffersink_ctx, "sample_rates",
2941 (uint8_t*)&sample_rate, sizeof(sample_rate),
2942 AV_OPT_SEARCH_CHILDREN);
2944 ff_err(ret, "FFAudioStream::create_filter");
2946 ret = FFStream::create_filter(filter_spec);
2947 return ret >= 0 ? 0 : -1;
2950 int FFStream::create_filter(const char *filter_spec)
2952 /* Endpoints for the filter graph. */
2953 AVFilterInOut *outputs = avfilter_inout_alloc();
2954 outputs->name = av_strdup("in");
2955 outputs->filter_ctx = buffersrc_ctx;
2956 outputs->pad_idx = 0;
2959 AVFilterInOut *inputs = avfilter_inout_alloc();
2960 inputs->name = av_strdup("out");
2961 inputs->filter_ctx = buffersink_ctx;
2962 inputs->pad_idx = 0;
2965 int ret = !outputs->name || !inputs->name ? -1 : 0;
2967 ret = avfilter_graph_parse_ptr(filter_graph, filter_spec,
2968 &inputs, &outputs, NULL);
2970 ret = avfilter_graph_config(filter_graph, NULL);
2973 ff_err(ret, "FFStream::create_filter");
2974 avfilter_graph_free(&filter_graph);
2977 avfilter_inout_free(&inputs);
2978 avfilter_inout_free(&outputs);
2982 int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
2985 av_init_packet(&pkt);
2986 AVFrame *frame = av_frame_alloc();
2988 fprintf(stderr,"FFMPEG::scan: ");
2989 fprintf(stderr,_("av_frame_alloc failed\n"));
2993 index_state->add_video_markers(ffvideo.size());
2994 index_state->add_audio_markers(ffaudio.size());
2996 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
2998 AVDictionary *copts = 0;
2999 av_dict_copy(&copts, opts, 0);
3000 AVStream *st = fmt_ctx->streams[i];
3001 AVCodecID codec_id = st->codecpar->codec_id;
3002 AVCodec *decoder = avcodec_find_decoder(codec_id);
3003 AVCodecContext *avctx = avcodec_alloc_context3(decoder);
3005 eprintf(_("cant allocate codec context\n"));
3006 ret = AVERROR(ENOMEM);
3009 avcodec_parameters_to_context(avctx, st->codecpar);
3010 if( !av_dict_get(copts, "threads", NULL, 0) )
3011 avctx->thread_count = ff_cpus();
3012 ret = avcodec_open2(avctx, decoder, &copts);
3014 av_dict_free(&copts);
3016 AVCodecParameters *avpar = st->codecpar;
3017 switch( avpar->codec_type ) {
3018 case AVMEDIA_TYPE_VIDEO: {
3019 int vidx = ffvideo.size();
3020 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3021 if( vidx < 0 ) break;
3022 ffvideo[vidx]->avctx = avctx;
3024 case AVMEDIA_TYPE_AUDIO: {
3025 int aidx = ffaudio.size();
3026 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3027 if( aidx < 0 ) break;
3028 ffaudio[aidx]->avctx = avctx;
3033 fprintf(stderr,"FFMPEG::scan: ");
3034 fprintf(stderr,_("codec open failed\n"));
3035 avcodec_free_context(&avctx);
3039 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
3040 AVStream *st = fmt_ctx->streams[i];
3041 AVCodecParameters *avpar = st->codecpar;
3042 if( avpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
3043 int64_t tstmp = st->start_time;
3044 if( tstmp == AV_NOPTS_VALUE ) continue;
3045 int aidx = ffaudio.size();
3046 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3047 if( aidx < 0 ) continue;
3048 FFAudioStream *aud = ffaudio[aidx];
3049 tstmp -= aud->nudge;
3050 double secs = to_secs(tstmp, st->time_base);
3051 aud->curr_pos = secs * aud->sample_rate + 0.5;
3055 for( int64_t count=0; !*canceled; ++count ) {
3056 av_packet_unref(&pkt);
3057 pkt.data = 0; pkt.size = 0;
3059 int ret = av_read_frame(fmt_ctx, &pkt);
3061 if( ret == AVERROR_EOF ) break;
3062 if( ++errs > 100 ) {
3063 ff_err(ret,_("over 100 read_frame errs\n"));
3068 if( !pkt.data ) continue;
3069 int i = pkt.stream_index;
3070 if( i < 0 || i >= (int)fmt_ctx->nb_streams ) continue;
3071 AVStream *st = fmt_ctx->streams[i];
3072 if( pkt.pos > *scan_position ) *scan_position = pkt.pos;
3074 AVCodecParameters *avpar = st->codecpar;
3075 switch( avpar->codec_type ) {
3076 case AVMEDIA_TYPE_VIDEO: {
3077 int vidx = ffvideo.size();
3078 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3079 if( vidx < 0 ) break;
3080 FFVideoStream *vid = ffvideo[vidx];
3081 if( !vid->avctx ) break;
3082 int64_t tstmp = pkt.dts;
3083 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
3084 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3085 if( vid->nudge != AV_NOPTS_VALUE ) tstmp -= vid->nudge;
3086 double secs = to_secs(tstmp, st->time_base);
3087 int64_t frm = secs * vid->frame_rate + 0.5;
3088 if( frm < 0 ) frm = 0;
3089 index_state->put_video_mark(vidx, frm, pkt.pos);
3092 ret = avcodec_send_packet(vid->avctx, pkt);
3093 if( ret < 0 ) break;
3094 while( (ret=vid->decode_frame(frame)) > 0 ) {}
3097 case AVMEDIA_TYPE_AUDIO: {
3098 int aidx = ffaudio.size();
3099 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3100 if( aidx < 0 ) break;
3101 FFAudioStream *aud = ffaudio[aidx];
3102 if( !aud->avctx ) break;
3103 int64_t tstmp = pkt.pts;
3104 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
3105 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3106 if( aud->nudge != AV_NOPTS_VALUE ) tstmp -= aud->nudge;
3107 double secs = to_secs(tstmp, st->time_base);
3108 int64_t sample = secs * aud->sample_rate + 0.5;
3110 index_state->put_audio_mark(aidx, sample, pkt.pos);
3112 ret = avcodec_send_packet(aud->avctx, &pkt);
3113 if( ret < 0 ) break;
3114 int ch = aud->channel0, nch = aud->channels;
3115 int64_t pos = index_state->pos(ch);
3116 if( pos != aud->curr_pos ) {
3117 if( abs(pos-aud->curr_pos) > 1 )
3118 printf("audio%d pad %jd %jd (%jd)\n", aud->idx, pos, aud->curr_pos, pos-aud->curr_pos);
3119 index_state->pad_data(ch, nch, aud->curr_pos);
3121 while( (ret=aud->decode_frame(frame)) > 0 ) {
3122 //if( frame->channels != nch ) break;
3123 aud->init_swr(frame->channels, frame->format, frame->sample_rate);
3125 int len = aud->get_samples(samples,
3126 &frame->extended_data[0], frame->nb_samples);
3127 pos = aud->curr_pos;
3128 if( (aud->curr_pos += len) >= 0 ) {
3130 samples += -pos * nch;
3131 len = aud->curr_pos;
3133 for( int i=0; i<nch; ++i )
3134 index_state->put_data(ch+i,nch,samples+i,len);
3141 av_frame_free(&frame);
3145 void FFStream::load_markers(IndexMarks &marks, double rate)
3148 int64_t sz = marks.size();
3149 int max_entries = fmt_ctx->max_index_size / sizeof(AVIndexEntry) - 1;
3150 int nb_ent = st->nb_index_entries;
3151 // some formats already have an index
3153 AVIndexEntry *ep = &st->index_entries[nb_ent-1];
3154 int64_t tstmp = ep->timestamp;
3155 if( nudge != AV_NOPTS_VALUE ) tstmp -= nudge;
3156 double secs = ffmpeg->to_secs(tstmp, st->time_base);
3157 int64_t no = secs * rate;
3158 while( in < sz && marks[in].no <= no ) ++in;
3160 int64_t len = sz - in;
3161 int64_t count = max_entries - nb_ent;
3162 if( count > len ) count = len;
3163 for( int i=0; i<count; ++i ) {
3164 int k = in + i * len / count;
3165 int64_t no = marks[k].no, pos = marks[k].pos;
3166 double secs = (double)no / rate;
3167 int64_t tstmp = secs * st->time_base.den / st->time_base.num;
3168 if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
3169 av_add_index_entry(st, pos, tstmp, 0, 0, AVINDEX_KEYFRAME);