12 // work arounds (centos)
15 #define INT64_MAX 9223372036854775807LL
17 #define MAX_RETRY 1000
18 // max pts/curr_pos drift allowed before correction (in seconds)
19 #define AUDIO_PTS_TOLERANCE 0.04
22 #include "bccmodels.h"
25 #include "edlsession.h"
27 #include "fileffmpeg.h"
28 #include "filesystem.h"
30 #include "indexfile.h"
31 #include "interlacemodes.h"
34 #include "mainerror.h"
36 #include "preferences.h"
42 #define av_register_all(s)
43 #define avfilter_register_all(s)
46 #define VIDEO_INBUF_SIZE 0x10000
47 #define AUDIO_INBUF_SIZE 0x10000
48 #define VIDEO_REFILL_THRESH 0
49 #define AUDIO_REFILL_THRESH 0x1000
50 #define AUDIO_MIN_FRAME_SZ 128
52 #define FF_ESTM_TIMES 0x0001
53 #define FF_BAD_TIMES 0x0002
55 Mutex FFMPEG::fflock("FFMPEG::fflock");
57 static void ff_err(int ret, const char *fmt, ...)
62 vsnprintf(msg, sizeof(msg), fmt, ap);
64 char errmsg[BCSTRLEN];
65 av_strerror(ret, errmsg, sizeof(errmsg));
66 fprintf(stderr,_("%s err: %s\n"),msg, errmsg);
72 pkt.data = 0; pkt.size = 0;
74 void FFPacket::finit()
76 av_packet_unref(&pkt);
79 FFrame::FFrame(FFStream *fst)
82 frm = av_frame_alloc();
83 init = fst->init_frame(frm);
91 void FFrame::queue(int64_t pos)
97 void FFrame::dequeue()
102 void FFrame::set_hw_frame(AVFrame *frame)
108 int FFAudioStream::read(float *fp, long len)
116 while( --k >= 0 ) *fp++ = *op++;
117 if( op >= lmt ) op = bfr;
122 void FFAudioStream::realloc(long nsz, int nch, long len)
124 long bsz = nsz * nch;
125 float *np = new float[bsz];
126 inp = np + read(np, len) * nch;
131 delete [] bfr; bfr = np;
134 void FFAudioStream::realloc(long nsz, int nch)
136 if( nsz > sz || this->nch != nch ) {
137 long len = this->nch != nch ? 0 : hpos;
138 if( len > sz ) len = sz;
140 realloc(nsz, nch, len);
144 void FFAudioStream::reserve(long nsz, int nch)
146 long len = (inp - outp) / nch;
148 if( nsz > sz || this->nch != nch ) {
149 if( this->nch != nch ) len = 0;
150 realloc(nsz, nch, len);
153 if( (len*=nch) > 0 && bfr != outp )
154 memmove(bfr, outp, len*sizeof(*bfr));
159 long FFAudioStream::used()
161 long len = inp>=outp ? inp-outp : inp-bfr + lmt-outp;
164 long FFAudioStream::avail()
167 if( in1 >= lmt ) in1 = bfr;
168 long len = outp >= in1 ? outp-in1 : outp-bfr + lmt-in1;
171 void FFAudioStream::reset_history()
175 memset(bfr, 0, lmt-bfr);
178 void FFAudioStream::iseek(int64_t ofs)
180 if( ofs > hpos ) ofs = hpos;
181 if( ofs > sz ) ofs = sz;
182 outp = inp - ofs*nch;
183 if( outp < bfr ) outp += sz*nch;
186 float *FFAudioStream::get_outp(int ofs)
193 int64_t FFAudioStream::put_inp(int ofs)
196 return (inp-outp) / nch;
199 int FFAudioStream::write(const float *fp, long len)
207 while( --k >= 0 ) *ip++ = *fp++;
208 if( ip >= lmt ) ip = bfr;
215 int FFAudioStream::zero(long len)
223 while( --k >= 0 ) *ip++ = 0;
224 if( ip >= lmt ) ip = bfr;
231 // does not advance outp
232 int FFAudioStream::read(double *dp, long len, int ch)
235 float *op = outp + ch;
236 float *lmt1 = lmt + nch-1;
238 int k = (lmt1 - op) / nch;
241 while( --k >= 0 ) { *dp++ = *op; op += nch; }
242 if( op >= lmt ) op -= sz*nch;
247 // load linear buffer, no wrapping allowed, does not advance inp
248 int FFAudioStream::write(const double *dp, long len, int ch)
251 float *ip = inp + ch;
252 while( --n >= 0 ) { *ip = *dp++; ip += nch; }
257 FFStream::FFStream(FFMPEG *ffmpeg, AVStream *st, int fidx)
259 this->ffmpeg = ffmpeg;
262 frm_lock = new Mutex("FFStream::frm_lock");
269 nudge = AV_NOPTS_VALUE;
270 seek_pos = curr_pos = 0;
272 reading = writing = 0;
273 hw_pixfmt = AV_PIX_FMT_NONE;
285 FFStream::~FFStream()
287 if( reading > 0 || writing > 0 ) avcodec_close(avctx);
288 if( avctx ) avcodec_free_context(&avctx);
289 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
290 if( hw_device_ctx ) av_buffer_unref(&hw_device_ctx);
291 if( bsfc ) av_bsf_free(&bsfc);
292 while( frms.first ) frms.remove(frms.first);
293 if( filter_graph ) avfilter_graph_free(&filter_graph);
294 if( frame ) av_frame_free(&frame);
295 if( fframe ) av_frame_free(&fframe);
297 if( stats_fp ) fclose(stats_fp);
298 if( stats_in ) av_freep(&stats_in);
299 delete [] stats_filename;
302 void FFStream::ff_lock(const char *cp)
304 FFMPEG::fflock.lock(cp);
307 void FFStream::ff_unlock()
309 FFMPEG::fflock.unlock();
312 void FFStream::queue(FFrame *frm)
314 frm_lock->lock("FFStream::queue");
318 ffmpeg->mux_lock->unlock();
321 void FFStream::dequeue(FFrame *frm)
323 frm_lock->lock("FFStream::dequeue");
325 frms.remove_pointer(frm);
329 int FFStream::encode_activate()
332 writing = ffmpeg->encode_activate();
336 static AVPixelFormat hw_pix_fmt = AV_PIX_FMT_NONE; // protected by ff_lock
337 static enum AVPixelFormat get_hw_format(AVCodecContext *ctx,
338 const enum AVPixelFormat *pix_fmts)
340 for( const enum AVPixelFormat *p=pix_fmts; *p!=AV_PIX_FMT_NONE; ++p )
341 if( *p == hw_pix_fmt ) return *p;
342 fprintf(stderr, "Failed to get HW surface format.\n");
343 return hw_pix_fmt = AV_PIX_FMT_NONE;
347 AVHWDeviceType FFStream::decode_hw_activate()
349 return AV_HWDEVICE_TYPE_NONE;
352 void FFStream::decode_hw_format(AVCodec *decoder, AVHWDeviceType type)
356 int FFStream::decode_activate()
358 if( reading < 0 && (reading=ffmpeg->decode_activate()) > 0 ) {
359 ff_lock("FFStream::decode_activate");
361 AVDictionary *copts = 0;
362 av_dict_copy(&copts, ffmpeg->opts, 0);
364 AVHWDeviceType hw_type = decode_hw_activate();
366 // this should be avformat_copy_context(), but no copy avail
367 ret = avformat_open_input(&fmt_ctx,
368 ffmpeg->fmt_ctx->url, ffmpeg->fmt_ctx->iformat, &copts);
370 ret = avformat_find_stream_info(fmt_ctx, 0);
371 st = fmt_ctx->streams[fidx];
374 while( ret >= 0 && st != 0 && !reading ) {
375 AVCodecID codec_id = st->codecpar->codec_id;
376 AVCodec *decoder = avcodec_find_decoder(codec_id);
377 avctx = avcodec_alloc_context3(decoder);
379 eprintf(_("cant allocate codec context\n"));
380 ret = AVERROR(ENOMEM);
382 if( ret >= 0 && hw_type != AV_HWDEVICE_TYPE_NONE )
383 decode_hw_format(decoder, hw_type);
386 avcodec_parameters_to_context(avctx, st->codecpar);
387 if( !av_dict_get(copts, "threads", NULL, 0) )
388 avctx->thread_count = ffmpeg->ff_cpus();
389 ret = avcodec_open2(avctx, decoder, &copts);
391 if( ret >= 0 && hw_type != AV_HWDEVICE_TYPE_NONE ) {
397 AVPacket *pkt = (AVPacket*)ipkt;
398 ret = avcodec_send_packet(avctx, pkt);
399 if( ret < 0 || hw_pix_fmt == AV_PIX_FMT_NONE ) {
400 ff_err(ret, "HW device init failed, using SW decode.\nfile:%s\n",
401 ffmpeg->fmt_ctx->url);
402 avcodec_close(avctx);
403 avcodec_free_context(&avctx);
404 av_buffer_unref(&hw_device_ctx);
406 hw_type = AV_HWDEVICE_TYPE_NONE;
407 int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
409 av_seek_frame(fmt_ctx, idx, INT64_MIN, flags);
410 need_packet = 1; flushed = 0;
411 seeked = 1; st_eof(0);
421 eprintf(_("open decoder failed\n"));
424 eprintf(_("can't open input file: %s\n"), ffmpeg->fmt_ctx->url);
425 av_dict_free(&copts);
431 int FFStream::read_packet()
433 av_packet_unref(ipkt);
434 int ret = av_read_frame(fmt_ctx, ipkt);
437 if( ret == AVERROR_EOF ) return 0;
438 ff_err(ret, "FFStream::read_packet: av_read_frame failed\n");
445 int FFStream::decode(AVFrame *frame)
448 int retries = MAX_RETRY;
450 while( ret >= 0 && !flushed && --retries >= 0 ) {
452 if( (ret=read_packet()) < 0 ) break;
453 AVPacket *pkt = ret > 0 ? (AVPacket*)ipkt : 0;
455 if( pkt->stream_index != st->index ) continue;
456 if( !pkt->data | !pkt->size ) continue;
458 if( (ret=avcodec_send_packet(avctx, pkt)) < 0 ) {
459 ff_err(ret, "FFStream::decode: avcodec_send_packet failed.\nfile:%s\n",
460 ffmpeg->fmt_ctx->url);
466 if( (ret=decode_frame(frame)) > 0 ) break;
474 fprintf(stderr, "FFStream::decode: Retry limit\n");
478 fprintf(stderr, "FFStream::decode: failed\n");
482 int FFStream::load_filter(AVFrame *frame)
484 int ret = av_buffersrc_add_frame_flags(buffersrc_ctx, frame, 0);
486 eprintf(_("av_buffersrc_add_frame_flags failed\n"));
490 int FFStream::read_filter(AVFrame *frame)
492 int ret = av_buffersink_get_frame(buffersink_ctx, frame);
494 if( ret == AVERROR(EAGAIN) ) return 0;
495 if( ret == AVERROR_EOF ) { st_eof(1); return -1; }
496 ff_err(ret, "FFStream::read_filter: av_buffersink_get_frame failed\n");
502 int FFStream::read_frame(AVFrame *frame)
504 av_frame_unref(frame);
505 if( !filter_graph || !buffersrc_ctx || !buffersink_ctx )
506 return decode(frame);
507 if( !fframe && !(fframe=av_frame_alloc()) ) {
508 fprintf(stderr, "FFStream::read_frame: av_frame_alloc failed\n");
512 while( !flushed && !(ret=read_filter(frame)) ) {
513 if( (ret=decode(fframe)) < 0 ) break;
514 if( ret > 0 && (ret=load_filter(fframe)) < 0 ) break;
519 int FFStream::write_packet(FFPacket &pkt)
523 av_packet_rescale_ts(pkt, avctx->time_base, st->time_base);
524 pkt->stream_index = st->index;
525 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, pkt);
528 ret = av_bsf_send_packet(bsfc, pkt);
531 if( (ret=av_bsf_receive_packet(bsfc, bs)) < 0 ) {
532 if( ret == AVERROR(EAGAIN) ) return 0;
533 if( ret == AVERROR_EOF ) return -1;
536 av_packet_rescale_ts(bs, avctx->time_base, st->time_base);
537 bs->stream_index = st->index;
538 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, bs);
542 ff_err(ret, "FFStream::write_packet: write packet failed.\nfile:%s\n",
543 ffmpeg->fmt_ctx->url);
547 int FFStream::encode_frame(AVFrame *frame)
549 int pkts = 0, ret = 0;
550 for( int retry=MAX_RETRY; --retry>=0; ) {
552 ret = avcodec_send_frame(avctx, frame);
553 if( !ret && frame ) return pkts;
554 if( ret < 0 && ret != AVERROR(EAGAIN) ) break;
556 ret = avcodec_receive_packet(avctx, opkt);
557 if( !frame && ret == AVERROR_EOF ) return pkts;
559 ret = write_packet(opkt);
562 if( frame && stats_fp ) {
563 ret = write_stats_file();
567 ff_err(ret, "FFStream::encode_frame: encode failed.\nfile: %s\n",
568 ffmpeg->fmt_ctx->url);
572 int FFStream::flush()
576 int ret = encode_frame(0);
577 if( ret >= 0 && stats_fp ) {
578 ret = write_stats_file();
582 ff_err(ret, "FFStream::flush failed\n:file:%s\n",
583 ffmpeg->fmt_ctx->url);
584 return ret >= 0 ? 0 : 1;
588 int FFStream::open_stats_file()
590 stats_fp = fopen(stats_filename,"w");
591 return stats_fp ? 0 : AVERROR(errno);
594 int FFStream::close_stats_file()
597 fclose(stats_fp); stats_fp = 0;
602 int FFStream::read_stats_file()
604 int64_t len = 0; struct stat stats_st;
605 int fd = open(stats_filename, O_RDONLY);
606 int ret = fd >= 0 ? 0: ENOENT;
607 if( !ret && fstat(fd, &stats_st) )
610 len = stats_st.st_size;
611 stats_in = (char *)av_malloc(len+1);
615 if( !ret && read(fd, stats_in, len+1) != len )
619 avctx->stats_in = stats_in;
623 return !ret ? 0 : AVERROR(ret);
626 int FFStream::write_stats_file()
629 if( avctx->stats_out && (ret=strlen(avctx->stats_out)) > 0 ) {
630 int len = fwrite(avctx->stats_out, 1, ret, stats_fp);
632 ff_err(ret = AVERROR(errno), "FFStream::write_stats_file.\n%file:%s\n",
633 ffmpeg->fmt_ctx->url);
638 int FFStream::init_stats_file()
641 if( (pass & 2) && (ret = read_stats_file()) < 0 )
642 ff_err(ret, "stat file read: %s", stats_filename);
643 if( (pass & 1) && (ret=open_stats_file()) < 0 )
644 ff_err(ret, "stat file open: %s", stats_filename);
645 return ret >= 0 ? 0 : ret;
648 int FFStream::seek(int64_t no, double rate)
650 // default ffmpeg native seek
652 int64_t pos = no, pkt_pos = -1;
653 IndexMarks *index_markers = get_markers();
654 if( index_markers && index_markers->size() > 1 ) {
655 IndexMarks &marks = *index_markers;
656 int i = marks.find(pos);
657 int64_t n = i < 0 ? (i=0) : marks[i].no;
658 // if indexed seek point not too far away (<30 secs), use index
659 if( no-n < 30*rate ) {
662 if( i < marks.size() ) pkt_pos = marks[i].pos;
666 if( pos == curr_pos ) return 0;
667 double secs = pos < 0 ? 0. : pos / rate;
668 AVRational time_base = st->time_base;
669 int64_t tstmp = time_base.num > 0 ? secs * time_base.den/time_base.num : 0;
671 if( st->nb_index_entries > 0 ) tstmp = st->index_entries[0].timestamp;
672 else if( st->start_time != AV_NOPTS_VALUE ) tstmp = st->start_time;
673 else if( st->first_dts != AV_NOPTS_VALUE ) tstmp = st->first_dts;
674 else tstmp = INT64_MIN+1;
676 else if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
679 // seek all streams using the default timebase.
680 // this is how ffmpeg and ffplay work. stream seeks are less tested.
681 tstmp = av_rescale_q(tstmp, time_base, AV_TIME_BASE_Q);
685 avcodec_flush_buffers(avctx);
686 avformat_flush(fmt_ctx);
688 int64_t seek = tstmp;
689 int flags = AVSEEK_FLAG_ANY;
690 if( !(fmt_ctx->iformat->flags & AVFMT_NO_BYTE_SEEK) && pkt_pos >= 0 ) {
692 flags = AVSEEK_FLAG_BYTE;
694 int ret = avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, seek, INT64_MAX, flags);
696 // finds the first index frame below the target time
697 int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
698 int ret = av_seek_frame(fmt_ctx, idx, tstmp, flags);
700 int retry = MAX_RETRY;
702 need_packet = 0; flushed = 0;
703 seeked = 1; st_eof(0);
704 // read up to retry packets, limited to npkts in stream, and not pkt.pos past pkt_pos
705 while( --retry >= 0 ) {
706 if( read_packet() <= 0 ) { ret = -1; break; }
707 if( ipkt->stream_index != st->index ) continue;
708 if( !ipkt->data || !ipkt->size ) continue;
709 if( pkt_pos >= 0 && ipkt->pos >= pkt_pos ) break;
710 if( --npkts <= 0 ) break;
711 int64_t pkt_ts = ipkt->dts != AV_NOPTS_VALUE ? ipkt->dts : ipkt->pts;
712 if( pkt_ts == AV_NOPTS_VALUE ) continue;
713 if( pkt_ts >= tstmp ) break;
716 fprintf(stderr,"FFStream::seek: retry limit, pos=%jd tstmp=%jd\n",pos,tstmp);
720 ret = avcodec_send_packet(avctx, ipkt);
722 //some codecs need more than one pkt to resync
723 if( ret == AVERROR_INVALIDDATA ) ret = 0;
725 ff_err(ret, "FFStream::avcodec_send_packet failed.\nseek:%s\n",
726 ffmpeg->fmt_ctx->url);
731 printf("** seek fail %jd, %jd\n", pos, tstmp);
732 seeked = need_packet = 0;
736 //printf("seeked pos = %ld, %ld\n", pos, tstmp);
737 seek_pos = curr_pos = pos;
741 FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
742 : FFStream(ffmpeg, strm, fidx)
745 channel0 = channels = 0;
748 frame_sz = AUDIO_MIN_FRAME_SZ;
750 resample_context = 0;
751 swr_ichs = swr_ifmt = swr_irate = 0;
760 bfr = new float[bsz];
765 FFAudioStream::~FFAudioStream()
767 if( resample_context ) swr_free(&resample_context);
772 void FFAudioStream::init_swr(int ichs, int ifmt, int irate)
774 if( resample_context ) {
775 if( swr_ichs == ichs && swr_ifmt == ifmt && swr_irate == irate )
777 swr_free(&resample_context);
779 swr_ichs = ichs; swr_ifmt = ifmt; swr_irate = irate;
780 if( ichs == channels && ifmt == AV_SAMPLE_FMT_FLT && irate == sample_rate )
782 uint64_t ilayout = av_get_default_channel_layout(ichs);
783 if( !ilayout ) ilayout = ((uint64_t)1<<ichs) - 1;
784 uint64_t olayout = av_get_default_channel_layout(channels);
785 if( !olayout ) olayout = ((uint64_t)1<<channels) - 1;
786 resample_context = swr_alloc_set_opts(NULL,
787 olayout, AV_SAMPLE_FMT_FLT, sample_rate,
788 ilayout, (AVSampleFormat)ifmt, irate,
790 if( resample_context )
791 swr_init(resample_context);
794 int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
796 samples = *(float **)data;
797 if( resample_context ) {
798 if( len > aud_bfr_sz ) {
804 aud_bfr = new float[aud_bfr_sz*channels];
806 int ret = swr_convert(resample_context,
807 (uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
809 ff_err(ret, "FFAudioStream::get_samples: swr_convert failed\n");
818 int FFAudioStream::load_history(uint8_t **data, int len)
821 len = get_samples(samples, data, len);
823 // biggest user bfr since seek + frame
824 realloc(mbsz + len + 1, channels);
830 int FFAudioStream::decode_frame(AVFrame *frame)
832 int first_frame = seeked; seeked = 0;
833 frame->best_effort_timestamp = AV_NOPTS_VALUE;
834 int ret = avcodec_receive_frame(avctx, frame);
836 if( first_frame || ret == AVERROR(EAGAIN) ) return 0;
837 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
838 ff_err(ret, "FFAudioStream::decode_frame: Could not read audio frame.\nfile:%s\n",
839 ffmpeg->fmt_ctx->url);
842 int64_t pkt_ts = frame->best_effort_timestamp;
843 if( pkt_ts != AV_NOPTS_VALUE ) {
844 double ts = ffmpeg->to_secs(pkt_ts - nudge, st->time_base);
845 double t = (double)curr_pos / sample_rate;
846 // some time_base clocks are very grainy, too grainy for audio (clicks, pops)
847 if( fabs(ts - t) > AUDIO_PTS_TOLERANCE )
848 curr_pos = ts * sample_rate + 0.5;
853 int FFAudioStream::encode_activate()
855 if( writing >= 0 ) return writing;
856 if( !avctx->codec ) return writing = 0;
857 frame_sz = avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE ?
858 10000 : avctx->frame_size;
859 return FFStream::encode_activate();
862 int64_t FFAudioStream::load_buffer(double ** const sp, int len)
864 reserve(len+1, st->codecpar->channels);
865 for( int ch=0; ch<nch; ++ch )
866 write(sp[ch], len, ch);
870 int FFAudioStream::in_history(int64_t pos)
872 if( pos > curr_pos ) return 0;
874 if( len > sz ) len = sz;
875 if( pos < curr_pos - len ) return 0;
880 int FFAudioStream::init_frame(AVFrame *frame)
882 frame->nb_samples = frame_sz;
883 frame->format = avctx->sample_fmt;
884 frame->channel_layout = avctx->channel_layout;
885 frame->sample_rate = avctx->sample_rate;
886 int ret = av_frame_get_buffer(frame, 0);
888 ff_err(ret, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
892 int FFAudioStream::load(int64_t pos, int len)
894 if( audio_seek(pos) < 0 ) return -1;
895 if( !frame && !(frame=av_frame_alloc()) ) {
896 fprintf(stderr, "FFAudioStream::load: av_frame_alloc failed\n");
899 if( mbsz < len ) mbsz = len;
900 int64_t end_pos = pos + len;
901 int ret = 0, i = len / frame_sz + MAX_RETRY;
902 while( ret>=0 && !flushed && curr_pos<end_pos && --i>=0 ) {
903 ret = read_frame(frame);
904 if( ret > 0 && frame->nb_samples > 0 ) {
905 init_swr(frame->channels, frame->format, frame->sample_rate);
906 load_history(&frame->extended_data[0], frame->nb_samples);
907 curr_pos += frame->nb_samples;
910 if( end_pos > curr_pos ) {
911 zero(end_pos - curr_pos);
914 len = curr_pos - pos;
919 int FFAudioStream::audio_seek(int64_t pos)
921 if( decode_activate() <= 0 ) return -1;
922 if( !st->codecpar ) return -1;
923 if( in_history(pos) ) return 0;
924 if( pos == curr_pos ) return 0;
925 reset_history(); mbsz = 0;
926 // guarentee preload > 1sec samples
927 if( (pos-=sample_rate) < 0 ) pos = 0;
928 if( seek(pos, sample_rate) < 0 ) return -1;
932 int FFAudioStream::encode(double **samples, int len)
934 if( encode_activate() <= 0 ) return -1;
937 int64_t count = samples ? load_buffer(samples, len) : used();
938 int frame_sz1 = samples ? frame_sz-1 : 0;
941 while( ret >= 0 && count > frame_sz1 ) {
942 frm = new FFrame(this);
943 if( (ret=frm->initted()) < 0 ) break;
944 AVFrame *frame = *frm;
945 len = count >= frame_sz ? frame_sz : count;
946 float *bfrp = get_outp(len);
947 ret = swr_convert(resample_context,
948 (uint8_t **)frame->extended_data, len,
949 (const uint8_t **)&bfrp, len);
951 ff_err(ret, "FFAudioStream::encode: swr_convert failed\n");
954 frame->nb_samples = len;
955 frm->queue(curr_pos);
962 return ret >= 0 ? 0 : 1;
965 int FFAudioStream::drain()
970 int FFAudioStream::encode_frame(AVFrame *frame)
972 return FFStream::encode_frame(frame);
975 int FFAudioStream::write_packet(FFPacket &pkt)
977 return FFStream::write_packet(pkt);
980 void FFAudioStream::load_markers()
982 IndexState *index_state = ffmpeg->file_base->asset->index_state;
983 if( !index_state || idx >= index_state->audio_markers.size() ) return;
984 if( index_state->marker_status == MARKERS_NOTTESTED ) return;
985 FFStream::load_markers(*index_state->audio_markers[idx], sample_rate);
988 IndexMarks *FFAudioStream::get_markers()
990 IndexState *index_state = ffmpeg->file_base->asset->index_state;
991 if( !index_state || idx >= index_state->audio_markers.size() ) return 0;
992 return index_state->audio_markers[idx];
995 FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
996 : FFStream(ffmpeg, strm, fidx)
1004 top_field_first = 0;
1007 FFVideoStream::~FFVideoStream()
1011 AVHWDeviceType FFVideoStream::decode_hw_activate()
1013 AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
1014 const char *hw_dev = ffmpeg->opt_hw_dev;
1015 if( !hw_dev ) hw_dev = getenv("CIN_HW_DEV");
1016 if( !hw_dev ) hw_dev = ffmpeg->ff_hw_dev();
1017 if( hw_dev && *hw_dev && strcmp(_("none"), hw_dev) ) {
1018 type = av_hwdevice_find_type_by_name(hw_dev);
1019 if( type == AV_HWDEVICE_TYPE_NONE ) {
1020 fprintf(stderr, "Device type %s is not supported.\n", hw_dev);
1021 fprintf(stderr, "Available device types:");
1022 while( (type = av_hwdevice_iterate_types(type)) != AV_HWDEVICE_TYPE_NONE )
1023 fprintf(stderr, " %s", av_hwdevice_get_type_name(type));
1024 fprintf(stderr, "\n");
1030 void FFVideoStream::decode_hw_format(AVCodec *decoder, AVHWDeviceType type)
1032 hw_pix_fmt = AV_PIX_FMT_NONE;
1033 for( int i=0; ; ++i ) {
1034 const AVCodecHWConfig *config = avcodec_get_hw_config(decoder, i);
1036 fprintf(stderr, "Decoder %s does not support device type %s.\n",
1037 decoder->name, av_hwdevice_get_type_name(type));
1040 if( (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX) != 0 &&
1041 config->device_type == type ) {
1042 hw_pix_fmt = config->pix_fmt;
1046 if( hw_pix_fmt >= 0 ) {
1047 hw_pixfmt = hw_pix_fmt;
1048 avctx->get_format = get_hw_format;
1049 int ret = av_hwdevice_ctx_create(&hw_device_ctx, type, 0, 0, 0);
1051 avctx->hw_device_ctx = av_buffer_ref(hw_device_ctx);
1053 ff_err(ret, "Failed HW device create.\ndev:%s\n",
1054 av_hwdevice_get_type_name(type));
1058 AVHWDeviceType FFVideoStream::encode_hw_activate(const char *hw_dev)
1060 AVBufferRef *hw_device_ctx = 0;
1061 AVBufferRef *hw_frames_ref = 0;
1062 AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
1063 if( strcmp(_("none"), hw_dev) ) {
1064 type = av_hwdevice_find_type_by_name(hw_dev);
1065 if( type != AV_HWDEVICE_TYPE_VAAPI ) {
1066 fprintf(stderr, "currently, only vaapi hw encode is supported\n");
1067 type = AV_HWDEVICE_TYPE_NONE;
1070 if( type != AV_HWDEVICE_TYPE_NONE ) {
1071 int ret = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_VAAPI, 0, 0, 0);
1073 ff_err(ret, "Failed to create a HW device.\n");
1074 type = AV_HWDEVICE_TYPE_NONE;
1077 if( type != AV_HWDEVICE_TYPE_NONE ) {
1078 hw_frames_ref = av_hwframe_ctx_alloc(hw_device_ctx);
1079 if( !hw_frames_ref ) {
1080 fprintf(stderr, "Failed to create HW frame context.\n");
1081 type = AV_HWDEVICE_TYPE_NONE;
1084 if( type != AV_HWDEVICE_TYPE_NONE ) {
1085 AVHWFramesContext *frames_ctx = (AVHWFramesContext *)(hw_frames_ref->data);
1086 frames_ctx->format = AV_PIX_FMT_VAAPI;
1087 frames_ctx->sw_format = AV_PIX_FMT_NV12;
1088 frames_ctx->width = width;
1089 frames_ctx->height = height;
1090 frames_ctx->initial_pool_size = 0; // 200;
1091 int ret = av_hwframe_ctx_init(hw_frames_ref);
1093 avctx->hw_frames_ctx = av_buffer_ref(hw_frames_ref);
1094 if( !avctx->hw_frames_ctx ) ret = AVERROR(ENOMEM);
1097 ff_err(ret, "Failed to initialize HW frame context.\n");
1098 type = AV_HWDEVICE_TYPE_NONE;
1100 av_buffer_unref(&hw_frames_ref);
1105 int FFVideoStream::encode_hw_write(FFrame *picture)
1108 AVFrame *hw_frm = 0;
1109 switch( avctx->pix_fmt ) {
1110 case AV_PIX_FMT_VAAPI:
1111 hw_frm = av_frame_alloc();
1112 if( !hw_frm ) { ret = AVERROR(ENOMEM); break; }
1113 ret = av_hwframe_get_buffer(avctx->hw_frames_ctx, hw_frm, 0);
1114 if( ret < 0 ) break;
1115 ret = av_hwframe_transfer_data(hw_frm, *picture, 0);
1116 if( ret < 0 ) break;
1117 picture->set_hw_frame(hw_frm);
1122 av_frame_free(&hw_frm);
1123 ff_err(ret, "Error while transferring frame data to GPU.\n");
1127 int FFVideoStream::decode_frame(AVFrame *frame)
1129 int first_frame = seeked; seeked = 0;
1130 int ret = avcodec_receive_frame(avctx, frame);
1132 if( first_frame || ret == AVERROR(EAGAIN) ) return 0;
1133 if( ret == AVERROR(EAGAIN) ) return 0;
1134 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
1135 ff_err(ret, "FFVideoStream::decode_frame: Could not read video frame.\nfile:%s\n,",
1136 ffmpeg->fmt_ctx->url);
1139 int64_t pkt_ts = frame->best_effort_timestamp;
1140 if( pkt_ts != AV_NOPTS_VALUE )
1141 curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * frame_rate + 0.5;
1145 int FFVideoStream::load(VFrame *vframe, int64_t pos)
1147 int ret = video_seek(pos);
1148 if( ret < 0 ) return -1;
1149 if( !frame && !(frame=av_frame_alloc()) ) {
1150 fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
1153 int i = MAX_RETRY + pos - curr_pos;
1154 while( ret>=0 && !flushed && curr_pos<=pos && --i>=0 ) {
1155 ret = read_frame(frame);
1156 if( ret > 0 ) ++curr_pos;
1158 if( frame->format == AV_PIX_FMT_NONE || frame->width <= 0 || frame->height <= 0 )
1161 ret = convert_cmodel(vframe, frame);
1163 ret = ret > 0 ? 1 : ret < 0 ? -1 : 0;
1167 int FFVideoStream::video_seek(int64_t pos)
1169 if( decode_activate() <= 0 ) return -1;
1170 if( !st->codecpar ) return -1;
1171 if( pos == curr_pos-1 && !seeked ) return 0;
1172 // if close enough, just read up to current
1173 int gop = avctx->gop_size;
1174 if( gop < 4 ) gop = 4;
1175 if( gop > 64 ) gop = 64;
1176 int read_limit = curr_pos + 3*gop;
1177 if( pos >= curr_pos && pos <= read_limit ) return 0;
1178 // guarentee preload more than 2*gop frames
1179 if( seek(pos - 3*gop, frame_rate) < 0 ) return -1;
1183 int FFVideoStream::init_frame(AVFrame *picture)
1185 switch( avctx->pix_fmt ) {
1186 case AV_PIX_FMT_VAAPI:
1187 picture->format = AV_PIX_FMT_NV12;
1190 picture->format = avctx->pix_fmt;
1193 picture->width = avctx->width;
1194 picture->height = avctx->height;
1195 int ret = av_frame_get_buffer(picture, 32);
1199 int FFVideoStream::encode(VFrame *vframe)
1201 if( encode_activate() <= 0 ) return -1;
1203 FFrame *picture = new FFrame(this);
1204 int ret = picture->initted();
1206 AVFrame *frame = *picture;
1207 frame->pts = curr_pos;
1208 ret = convert_pixfmt(vframe, frame);
1210 if( ret >= 0 && avctx->hw_frames_ctx )
1211 encode_hw_write(picture);
1213 picture->queue(curr_pos);
1217 fprintf(stderr, "FFVideoStream::encode: encode failed\n");
1220 return ret >= 0 ? 0 : 1;
1223 int FFVideoStream::drain()
1228 int FFVideoStream::encode_frame(AVFrame *frame)
1231 frame->interlaced_frame = interlaced;
1232 frame->top_field_first = top_field_first;
1234 return FFStream::encode_frame(frame);
1237 int FFVideoStream::write_packet(FFPacket &pkt)
1239 if( !(ffmpeg->fmt_ctx->oformat->flags & AVFMT_VARIABLE_FPS) )
1241 return FFStream::write_packet(pkt);
1244 AVPixelFormat FFVideoConvert::color_model_to_pix_fmt(int color_model)
1246 switch( color_model ) {
1247 case BC_YUV422: return AV_PIX_FMT_YUYV422;
1248 case BC_RGB888: return AV_PIX_FMT_RGB24;
1249 case BC_RGBA8888: return AV_PIX_FMT_RGBA;
1250 case BC_BGR8888: return AV_PIX_FMT_BGR0;
1251 case BC_BGR888: return AV_PIX_FMT_BGR24;
1252 case BC_ARGB8888: return AV_PIX_FMT_ARGB;
1253 case BC_ABGR8888: return AV_PIX_FMT_ABGR;
1254 case BC_RGB8: return AV_PIX_FMT_RGB8;
1255 case BC_YUV420P: return AV_PIX_FMT_YUV420P;
1256 case BC_YUV422P: return AV_PIX_FMT_YUV422P;
1257 case BC_YUV444P: return AV_PIX_FMT_YUV444P;
1258 case BC_YUV411P: return AV_PIX_FMT_YUV411P;
1259 case BC_RGB565: return AV_PIX_FMT_RGB565;
1260 case BC_RGB161616: return AV_PIX_FMT_RGB48LE;
1261 case BC_RGBA16161616: return AV_PIX_FMT_RGBA64LE;
1262 case BC_AYUV16161616: return AV_PIX_FMT_AYUV64LE;
1263 case BC_GBRP: return AV_PIX_FMT_GBRP;
1267 return AV_PIX_FMT_NB;
1270 int FFVideoConvert::pix_fmt_to_color_model(AVPixelFormat pix_fmt)
1273 case AV_PIX_FMT_YUYV422: return BC_YUV422;
1274 case AV_PIX_FMT_RGB24: return BC_RGB888;
1275 case AV_PIX_FMT_RGBA: return BC_RGBA8888;
1276 case AV_PIX_FMT_BGR0: return BC_BGR8888;
1277 case AV_PIX_FMT_BGR24: return BC_BGR888;
1278 case AV_PIX_FMT_ARGB: return BC_ARGB8888;
1279 case AV_PIX_FMT_ABGR: return BC_ABGR8888;
1280 case AV_PIX_FMT_RGB8: return BC_RGB8;
1281 case AV_PIX_FMT_YUV420P: return BC_YUV420P;
1282 case AV_PIX_FMT_YUV422P: return BC_YUV422P;
1283 case AV_PIX_FMT_YUV444P: return BC_YUV444P;
1284 case AV_PIX_FMT_YUV411P: return BC_YUV411P;
1285 case AV_PIX_FMT_RGB565: return BC_RGB565;
1286 case AV_PIX_FMT_RGB48LE: return BC_RGB161616;
1287 case AV_PIX_FMT_RGBA64LE: return BC_RGBA16161616;
1288 case AV_PIX_FMT_AYUV64LE: return BC_AYUV16161616;
1289 case AV_PIX_FMT_GBRP: return BC_GBRP;
1296 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip)
1298 AVFrame *ipic = av_frame_alloc();
1299 int ret = convert_picture_vframe(frame, ip, ipic);
1300 av_frame_free(&ipic);
1304 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip, AVFrame *ipic)
1306 int cmodel = frame->get_color_model();
1307 AVPixelFormat ofmt = color_model_to_pix_fmt(cmodel);
1308 if( ofmt == AV_PIX_FMT_NB ) return -1;
1309 int size = av_image_fill_arrays(ipic->data, ipic->linesize,
1310 frame->get_data(), ofmt, frame->get_w(), frame->get_h(), 1);
1311 if( size < 0 ) return -1;
1313 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1314 int ysz = bpp * frame->get_w(), usz = ysz;
1324 // override av_image_fill_arrays() for planar types
1325 ipic->data[0] = frame->get_y(); ipic->linesize[0] = ysz;
1326 ipic->data[1] = frame->get_u(); ipic->linesize[1] = usz;
1327 ipic->data[2] = frame->get_v(); ipic->linesize[2] = usz;
1330 ipic->data[0] = frame->get_data();
1331 ipic->linesize[0] = frame->get_bytes_per_line();
1335 AVPixelFormat pix_fmt = (AVPixelFormat)ip->format;
1336 FFVideoStream *vid =(FFVideoStream *)this;
1337 if( pix_fmt == vid->hw_pixfmt ) {
1339 if( !sw_frame && !(sw_frame=av_frame_alloc()) )
1340 ret = AVERROR(ENOMEM);
1342 ret = av_hwframe_transfer_data(sw_frame, ip, 0);
1344 pix_fmt = (AVPixelFormat)ip->format;
1347 eprintf(_("Error retrieving data from GPU to CPU\nfile: %s\n"),
1348 vid->ffmpeg->fmt_ctx->url);
1352 convert_ctx = sws_getCachedContext(convert_ctx, ip->width, ip->height, pix_fmt,
1353 frame->get_w(), frame->get_h(), ofmt, SWS_POINT, NULL, NULL, NULL);
1354 if( !convert_ctx ) {
1355 fprintf(stderr, "FFVideoConvert::convert_picture_frame:"
1356 " sws_getCachedContext() failed\n");
1359 int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ip->height,
1360 ipic->data, ipic->linesize);
1362 ff_err(ret, "FFVideoConvert::convert_picture_frame: sws_scale() failed\nfile: %s\n",
1363 vid->ffmpeg->fmt_ctx->url);
1369 int FFVideoConvert::convert_cmodel(VFrame *frame, AVFrame *ip)
1371 // try direct transfer
1372 if( !convert_picture_vframe(frame, ip) ) return 1;
1373 // use indirect transfer
1374 AVPixelFormat ifmt = (AVPixelFormat)ip->format;
1375 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(ifmt);
1377 for( int i = 0; i <desc->nb_components; ++i ) {
1378 int bits = desc->comp[i].depth;
1379 if( bits > max_bits ) max_bits = bits;
1381 int imodel = pix_fmt_to_color_model(ifmt);
1382 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1383 int cmodel = frame->get_color_model();
1384 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1385 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1386 imodel = cmodel_is_yuv ?
1387 (BC_CModels::has_alpha(cmodel) ?
1389 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1390 (BC_CModels::has_alpha(cmodel) ?
1391 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1392 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1394 VFrame vframe(ip->width, ip->height, imodel);
1395 if( convert_picture_vframe(&vframe, ip) ) return -1;
1396 frame->transfer_from(&vframe);
1400 int FFVideoConvert::transfer_cmodel(VFrame *frame, AVFrame *ifp)
1402 int ret = convert_cmodel(frame, ifp);
1404 const AVDictionary *src = ifp->metadata;
1405 AVDictionaryEntry *t = NULL;
1406 BC_Hash *hp = frame->get_params();
1408 while( (t=av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX)) )
1409 hp->update(t->key, t->value);
1414 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op)
1416 AVFrame *opic = av_frame_alloc();
1417 int ret = convert_vframe_picture(frame, op, opic);
1418 av_frame_free(&opic);
1422 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op, AVFrame *opic)
1424 int cmodel = frame->get_color_model();
1425 AVPixelFormat ifmt = color_model_to_pix_fmt(cmodel);
1426 if( ifmt == AV_PIX_FMT_NB ) return -1;
1427 int size = av_image_fill_arrays(opic->data, opic->linesize,
1428 frame->get_data(), ifmt, frame->get_w(), frame->get_h(), 1);
1429 if( size < 0 ) return -1;
1431 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1432 int ysz = bpp * frame->get_w(), usz = ysz;
1442 // override av_image_fill_arrays() for planar types
1443 opic->data[0] = frame->get_y(); opic->linesize[0] = ysz;
1444 opic->data[1] = frame->get_u(); opic->linesize[1] = usz;
1445 opic->data[2] = frame->get_v(); opic->linesize[2] = usz;
1448 opic->data[0] = frame->get_data();
1449 opic->linesize[0] = frame->get_bytes_per_line();
1453 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1454 convert_ctx = sws_getCachedContext(convert_ctx, frame->get_w(), frame->get_h(),
1455 ifmt, op->width, op->height, ofmt, SWS_POINT, NULL, NULL, NULL);
1456 if( !convert_ctx ) {
1457 fprintf(stderr, "FFVideoConvert::convert_frame_picture:"
1458 " sws_getCachedContext() failed\n");
1461 int ret = sws_scale(convert_ctx, opic->data, opic->linesize, 0, frame->get_h(),
1462 op->data, op->linesize);
1464 ff_err(ret, "FFVideoConvert::convert_frame_picture: sws_scale() failed\n");
1470 int FFVideoConvert::convert_pixfmt(VFrame *frame, AVFrame *op)
1472 // try direct transfer
1473 if( !convert_vframe_picture(frame, op) ) return 1;
1474 // use indirect transfer
1475 int cmodel = frame->get_color_model();
1476 int max_bits = BC_CModels::calculate_pixelsize(cmodel) * 8;
1477 max_bits /= BC_CModels::components(cmodel);
1478 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1479 int imodel = pix_fmt_to_color_model(ofmt);
1480 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1481 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1482 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1483 imodel = cmodel_is_yuv ?
1484 (BC_CModels::has_alpha(cmodel) ?
1486 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1487 (BC_CModels::has_alpha(cmodel) ?
1488 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1489 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1491 VFrame vframe(frame->get_w(), frame->get_h(), imodel);
1492 vframe.transfer_from(frame);
1493 if( !convert_vframe_picture(&vframe, op) ) return 1;
1497 int FFVideoConvert::transfer_pixfmt(VFrame *frame, AVFrame *ofp)
1499 int ret = convert_pixfmt(frame, ofp);
1501 BC_Hash *hp = frame->get_params();
1502 AVDictionary **dict = &ofp->metadata;
1503 //av_dict_free(dict);
1504 for( int i=0; i<hp->size(); ++i ) {
1505 char *key = hp->get_key(i), *val = hp->get_value(i);
1506 av_dict_set(dict, key, val, 0);
1512 void FFVideoStream::load_markers()
1514 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1515 if( !index_state || idx >= index_state->video_markers.size() ) return;
1516 FFStream::load_markers(*index_state->video_markers[idx], frame_rate);
1519 IndexMarks *FFVideoStream::get_markers()
1521 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1522 if( !index_state || idx >= index_state->video_markers.size() ) return 0;
1523 return !index_state ? 0 : index_state->video_markers[idx];
1527 FFMPEG::FFMPEG(FileBase *file_base)
1530 this->file_base = file_base;
1531 memset(file_format,0,sizeof(file_format));
1532 mux_lock = new Condition(0,"FFMPEG::mux_lock",0);
1533 flow_lock = new Condition(1,"FFStream::flow_lock",0);
1536 decoding = encoding = 0;
1537 has_audio = has_video = 0;
1540 opt_video_filter = 0;
1541 opt_audio_filter = 0;
1544 char option_path[BCTEXTLEN];
1545 set_option_path(option_path, "%s", "ffmpeg.opts");
1546 read_options(option_path, opts);
1551 ff_lock("FFMPEG::~FFMPEG()");
1553 ffaudio.remove_all_objects();
1554 ffvideo.remove_all_objects();
1555 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
1559 av_dict_free(&opts);
1560 delete [] opt_video_filter;
1561 delete [] opt_audio_filter;
1562 delete [] opt_hw_dev;
1565 int FFMPEG::check_sample_rate(AVCodec *codec, int sample_rate)
1567 const int *p = codec->supported_samplerates;
1568 if( !p ) return sample_rate;
1570 if( *p == sample_rate ) return *p;
1576 static inline AVRational std_frame_rate(int i)
1578 static const int m1 = 1001*12, m2 = 1000*12;
1579 static const int freqs[] = {
1580 40*m1, 48*m1, 50*m1, 60*m1, 80*m1,120*m1, 240*m1,
1581 24*m2, 30*m2, 60*m2, 12*m2, 15*m2, 48*m2, 0,
1583 int freq = i<30*12 ? (i+1)*1001 : freqs[i-30*12];
1584 return (AVRational) { freq, 1001*12 };
1587 AVRational FFMPEG::check_frame_rate(AVCodec *codec, double frame_rate)
1589 const AVRational *p = codec->supported_framerates;
1590 AVRational rate, best_rate = (AVRational) { 0, 0 };
1591 double max_err = 1.; int i = 0;
1592 while( ((p ? (rate=*p++) : (rate=std_frame_rate(i++))), rate.num) != 0 ) {
1593 double framerate = (double) rate.num / rate.den;
1594 double err = fabs(frame_rate/framerate - 1.);
1595 if( err >= max_err ) continue;
1599 return max_err < 0.0001 ? best_rate : (AVRational) { 0, 0 };
1602 AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset)
1605 double display_aspect = asset->width / (double)asset->height;
1606 double sample_aspect = display_aspect / asset->aspect_ratio;
1607 int width = 1000000, height = width * sample_aspect + 0.5;
1609 MWindow::create_aspect_ratio(w, h, width, height);
1610 return (AVRational){(int)w, (int)h};
1613 return (AVRational){1, 1};
1617 AVRational FFMPEG::to_time_base(int sample_rate)
1619 return (AVRational){1, sample_rate};
1622 int FFMPEG::get_fmt_score(AVSampleFormat dst_fmt, AVSampleFormat src_fmt)
1625 int dst_planar = av_sample_fmt_is_planar(dst_fmt);
1626 int src_planar = av_sample_fmt_is_planar(src_fmt);
1627 if( dst_planar != src_planar ) ++score;
1628 int dst_bytes = av_get_bytes_per_sample(dst_fmt);
1629 int src_bytes = av_get_bytes_per_sample(src_fmt);
1630 score += (src_bytes > dst_bytes ? 100 : -10) * (src_bytes - dst_bytes);
1631 int src_packed = av_get_packed_sample_fmt(src_fmt);
1632 int dst_packed = av_get_packed_sample_fmt(dst_fmt);
1633 if( dst_packed == AV_SAMPLE_FMT_S32 && src_packed == AV_SAMPLE_FMT_FLT ) score += 20;
1634 if( dst_packed == AV_SAMPLE_FMT_FLT && src_packed == AV_SAMPLE_FMT_S32 ) score += 2;
1638 AVSampleFormat FFMPEG::find_best_sample_fmt_of_list(
1639 const AVSampleFormat *sample_fmts, AVSampleFormat src_fmt)
1641 AVSampleFormat best = AV_SAMPLE_FMT_NONE;
1642 int best_score = get_fmt_score(best, src_fmt);
1643 for( int i=0; sample_fmts[i] >= 0; ++i ) {
1644 AVSampleFormat sample_fmt = sample_fmts[i];
1645 int score = get_fmt_score(sample_fmt, src_fmt);
1646 if( score >= best_score ) continue;
1647 best = sample_fmt; best_score = score;
1653 void FFMPEG::set_option_path(char *path, const char *fmt, ...)
1655 char *ep = path + BCTEXTLEN-1;
1656 strncpy(path, File::get_cindat_path(), ep-path);
1657 strncat(path, "/ffmpeg/", ep-path);
1658 path += strlen(path);
1661 path += vsnprintf(path, ep-path, fmt, ap);
1666 void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
1671 set_option_path(path, "%s/%s", type, spec);
1674 int FFMPEG::get_format(char *format, const char *path, const char *spec)
1676 char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
1677 get_option_path(option_path, path, spec);
1678 FILE *fp = fopen(option_path,"r");
1681 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1683 line[sizeof(line)-1] = 0;
1684 ret = scan_option_line(line, format, codec);
1690 int FFMPEG::get_codec(char *codec, const char *path, const char *spec)
1692 char option_path[BCTEXTLEN], line[BCTEXTLEN], format[BCTEXTLEN];
1693 get_option_path(option_path, path, spec);
1694 FILE *fp = fopen(option_path,"r");
1697 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1700 line[sizeof(line)-1] = 0;
1701 ret = scan_option_line(line, format, codec);
1704 char *vp = codec, *ep = vp+BCTEXTLEN-1;
1705 while( vp < ep && *vp && *vp != '|' ) ++vp;
1706 if( *vp == '|' ) --vp;
1707 while( vp > codec && (*vp==' ' || *vp=='\t') ) *vp-- = 0;
1712 int FFMPEG::get_file_format()
1714 char audio_muxer[BCSTRLEN], video_muxer[BCSTRLEN];
1715 char audio_format[BCSTRLEN], video_format[BCSTRLEN];
1716 audio_muxer[0] = audio_format[0] = 0;
1717 video_muxer[0] = video_format[0] = 0;
1718 Asset *asset = file_base->asset;
1719 int ret = asset ? 0 : 1;
1720 if( !ret && asset->audio_data ) {
1721 if( !(ret=get_format(audio_format, "audio", asset->acodec)) ) {
1722 if( get_format(audio_muxer, "format", audio_format) ) {
1723 strcpy(audio_muxer, audio_format);
1724 audio_format[0] = 0;
1728 if( !ret && asset->video_data ) {
1729 if( !(ret=get_format(video_format, "video", asset->vcodec)) ) {
1730 if( get_format(video_muxer, "format", video_format) ) {
1731 strcpy(video_muxer, video_format);
1732 video_format[0] = 0;
1736 if( !ret && !audio_muxer[0] && !video_muxer[0] )
1738 if( !ret && audio_muxer[0] && video_muxer[0] &&
1739 strcmp(audio_muxer, video_muxer) ) ret = -1;
1740 if( !ret && audio_format[0] && video_format[0] &&
1741 strcmp(audio_format, video_format) ) ret = -1;
1743 strcpy(file_format, !audio_format[0] && !video_format[0] ?
1744 (audio_muxer[0] ? audio_muxer : video_muxer) :
1745 (audio_format[0] ? audio_format : video_format));
1749 int FFMPEG::scan_option_line(const char *cp, char *tag, char *val)
1751 while( *cp == ' ' || *cp == '\t' ) ++cp;
1752 const char *bp = cp;
1753 while( *cp && *cp != ' ' && *cp != '\t' && *cp != '=' && *cp != '\n' ) ++cp;
1755 if( !len || len > BCSTRLEN-1 ) return 1;
1756 while( bp < cp ) *tag++ = *bp++;
1758 while( *cp == ' ' || *cp == '\t' ) ++cp;
1759 if( *cp == '=' ) ++cp;
1760 while( *cp == ' ' || *cp == '\t' ) ++cp;
1762 while( *cp && *cp != '\n' ) ++cp;
1764 if( len > BCTEXTLEN-1 ) return 1;
1765 while( bp < cp ) *val++ = *bp++;
1770 int FFMPEG::can_render(const char *fformat, const char *type)
1773 char option_path[BCTEXTLEN];
1774 FFMPEG::set_option_path(option_path, type);
1775 fs.update(option_path);
1776 int total_files = fs.total_files();
1777 for( int i=0; i<total_files; ++i ) {
1778 const char *name = fs.get_entry(i)->get_name();
1779 const char *ext = strrchr(name,'.');
1780 if( !ext ) continue;
1781 if( !strcmp(fformat, ++ext) ) return 1;
1786 int FFMPEG::get_ff_option(const char *nm, const char *options, char *value)
1788 for( const char *cp=options; *cp!=0; ) {
1789 char line[BCTEXTLEN], *bp = line, *ep = bp+sizeof(line)-1;
1790 while( bp < ep && *cp && *cp!='\n' ) *bp++ = *cp++;
1793 if( !line[0] || line[0] == '#' || line[0] == ';' ) continue;
1794 char key[BCSTRLEN], val[BCTEXTLEN];
1795 if( FFMPEG::scan_option_line(line, key, val) ) continue;
1796 if( !strcmp(key, nm) ) {
1797 strncpy(value, val, BCSTRLEN);
1804 void FFMPEG::scan_audio_options(Asset *asset, EDL *edl)
1806 char cin_sample_fmt[BCSTRLEN];
1807 int cin_fmt = AV_SAMPLE_FMT_NONE;
1808 const char *options = asset->ff_audio_options;
1809 if( !get_ff_option("cin_sample_fmt", options, cin_sample_fmt) )
1810 cin_fmt = (int)av_get_sample_fmt(cin_sample_fmt);
1812 char audio_codec[BCSTRLEN]; audio_codec[0] = 0;
1813 AVCodec *av_codec = !FFMPEG::get_codec(audio_codec, "audio", asset->acodec) ?
1814 avcodec_find_encoder_by_name(audio_codec) : 0;
1815 if( av_codec && av_codec->sample_fmts )
1816 cin_fmt = find_best_sample_fmt_of_list(av_codec->sample_fmts, AV_SAMPLE_FMT_FLT);
1818 if( cin_fmt < 0 ) cin_fmt = AV_SAMPLE_FMT_S16;
1819 const char *name = av_get_sample_fmt_name((AVSampleFormat)cin_fmt);
1820 if( !name ) name = _("None");
1821 strcpy(asset->ff_sample_format, name);
1823 char value[BCSTRLEN];
1824 if( !get_ff_option("cin_bitrate", options, value) )
1825 asset->ff_audio_bitrate = atoi(value);
1826 if( !get_ff_option("cin_quality", options, value) )
1827 asset->ff_audio_quality = atoi(value);
1830 void FFMPEG::load_audio_options(Asset *asset, EDL *edl)
1832 char options_path[BCTEXTLEN];
1833 set_option_path(options_path, "audio/%s", asset->acodec);
1834 if( !load_options(options_path,
1835 asset->ff_audio_options,
1836 sizeof(asset->ff_audio_options)) )
1837 scan_audio_options(asset, edl);
1840 void FFMPEG::scan_video_options(Asset *asset, EDL *edl)
1842 char cin_pix_fmt[BCSTRLEN];
1843 int cin_fmt = AV_PIX_FMT_NONE;
1844 const char *options = asset->ff_video_options;
1845 if( !get_ff_option("cin_pix_fmt", options, cin_pix_fmt) )
1846 cin_fmt = (int)av_get_pix_fmt(cin_pix_fmt);
1848 char video_codec[BCSTRLEN]; video_codec[0] = 0;
1849 AVCodec *av_codec = !get_codec(video_codec, "video", asset->vcodec) ?
1850 avcodec_find_encoder_by_name(video_codec) : 0;
1851 if( av_codec && av_codec->pix_fmts ) {
1852 if( 0 && edl ) { // frequently picks a bad answer
1853 int color_model = edl->session->color_model;
1854 int max_bits = BC_CModels::calculate_pixelsize(color_model) * 8;
1855 max_bits /= BC_CModels::components(color_model);
1856 cin_fmt = avcodec_find_best_pix_fmt_of_list(av_codec->pix_fmts,
1857 (BC_CModels::is_yuv(color_model) ?
1858 (max_bits > 8 ? AV_PIX_FMT_AYUV64LE : AV_PIX_FMT_YUV444P) :
1859 (max_bits > 8 ? AV_PIX_FMT_RGB48LE : AV_PIX_FMT_RGB24)), 0, 0);
1862 cin_fmt = av_codec->pix_fmts[0];
1865 if( cin_fmt < 0 ) cin_fmt = AV_PIX_FMT_YUV420P;
1866 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get((AVPixelFormat)cin_fmt);
1867 const char *name = desc ? desc->name : _("None");
1868 strcpy(asset->ff_pixel_format, name);
1870 char value[BCSTRLEN];
1871 if( !get_ff_option("cin_bitrate", options, value) )
1872 asset->ff_video_bitrate = atoi(value);
1873 if( !get_ff_option("cin_quality", options, value) )
1874 asset->ff_video_quality = atoi(value);
1877 void FFMPEG::load_video_options(Asset *asset, EDL *edl)
1879 char options_path[BCTEXTLEN];
1880 set_option_path(options_path, "video/%s", asset->vcodec);
1881 if( !load_options(options_path,
1882 asset->ff_video_options,
1883 sizeof(asset->ff_video_options)) )
1884 scan_video_options(asset, edl);
1887 int FFMPEG::load_defaults(const char *path, const char *type,
1888 char *codec, char *codec_options, int len)
1890 char default_file[BCTEXTLEN];
1891 set_option_path(default_file, "%s/%s.dfl", path, type);
1892 FILE *fp = fopen(default_file,"r");
1894 fgets(codec, BCSTRLEN, fp);
1896 while( *cp && *cp!='\n' ) ++cp;
1898 while( len > 0 && fgets(codec_options, len, fp) ) {
1899 int n = strlen(codec_options);
1900 codec_options += n; len -= n;
1903 set_option_path(default_file, "%s/%s", path, codec);
1904 return load_options(default_file, codec_options, len);
1907 void FFMPEG::set_asset_format(Asset *asset, EDL *edl, const char *text)
1909 if( asset->format != FILE_FFMPEG ) return;
1910 if( text != asset->fformat )
1911 strcpy(asset->fformat, text);
1912 if( asset->audio_data && !asset->ff_audio_options[0] ) {
1913 if( !load_defaults("audio", text, asset->acodec,
1914 asset->ff_audio_options, sizeof(asset->ff_audio_options)) )
1915 scan_audio_options(asset, edl);
1917 asset->audio_data = 0;
1919 if( asset->video_data && !asset->ff_video_options[0] ) {
1920 if( !load_defaults("video", text, asset->vcodec,
1921 asset->ff_video_options, sizeof(asset->ff_video_options)) )
1922 scan_video_options(asset, edl);
1924 asset->video_data = 0;
1928 int FFMPEG::get_encoder(const char *options,
1929 char *format, char *codec, char *bsfilter)
1931 FILE *fp = fopen(options,"r");
1933 eprintf(_("options open failed %s\n"),options);
1936 char line[BCTEXTLEN];
1937 if( !fgets(line, sizeof(line), fp) ||
1938 scan_encoder(line, format, codec, bsfilter) )
1939 eprintf(_("format/codec not found %s\n"), options);
1944 int FFMPEG::scan_encoder(const char *line,
1945 char *format, char *codec, char *bsfilter)
1947 format[0] = codec[0] = bsfilter[0] = 0;
1948 if( scan_option_line(line, format, codec) ) return 1;
1950 while( *cp && *cp != '|' ) ++cp;
1951 if( !*cp ) return 0;
1953 do { *bp-- = 0; } while( bp>=codec && (*bp==' ' || *bp == '\t' ) );
1954 while( *++cp && (*cp==' ' || *cp == '\t') );
1956 for( int i=BCTEXTLEN; --i>0 && *cp; ) *bp++ = *cp++;
1961 int FFMPEG::read_options(const char *options, AVDictionary *&opts, int skip)
1963 FILE *fp = fopen(options,"r");
1966 while( !ret && --skip >= 0 ) {
1968 while( ch >= 0 && ch != '\n' ) ch = getc(fp);
1969 if( ch < 0 ) ret = 1;
1972 ret = read_options(fp, options, opts);
1977 int FFMPEG::scan_options(const char *options, AVDictionary *&opts, AVStream *st)
1979 FILE *fp = fmemopen((void *)options,strlen(options),"r");
1981 int ret = read_options(fp, options, opts);
1983 AVDictionaryEntry *tag = av_dict_get(opts, "id", NULL, 0);
1984 if( tag ) st->id = strtol(tag->value,0,0);
1988 int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
1990 int ret = 0, no = 0;
1991 char line[BCTEXTLEN];
1992 while( !ret && fgets(line, sizeof(line), fp) ) {
1993 line[sizeof(line)-1] = 0;
1994 if( line[0] == '#' ) continue;
1995 if( line[0] == '\n' ) continue;
1996 char key[BCSTRLEN], val[BCTEXTLEN];
1997 if( scan_option_line(line, key, val) ) {
1998 eprintf(_("err reading %s: line %d\n"), options, no);
2002 if( !strcmp(key, "duration") )
2003 opt_duration = strtod(val, 0);
2004 else if( !strcmp(key, "video_filter") )
2005 opt_video_filter = cstrdup(val);
2006 else if( !strcmp(key, "audio_filter") )
2007 opt_audio_filter = cstrdup(val);
2008 else if( !strcmp(key, "cin_hw_dev") )
2009 opt_hw_dev = cstrdup(val);
2010 else if( !strcmp(key, "loglevel") )
2013 av_dict_set(&opts, key, val, 0);
2019 int FFMPEG::load_options(const char *options, AVDictionary *&opts)
2021 char option_path[BCTEXTLEN];
2022 set_option_path(option_path, "%s", options);
2023 return read_options(option_path, opts);
2026 int FFMPEG::load_options(const char *path, char *bfr, int len)
2029 FILE *fp = fopen(path, "r");
2031 fgets(bfr, len, fp); // skip hdr
2032 len = fread(bfr, 1, len-1, fp);
2033 if( len < 0 ) len = 0;
2039 void FFMPEG::set_loglevel(const char *ap)
2041 if( !ap || !*ap ) return;
2046 { "quiet" , AV_LOG_QUIET },
2047 { "panic" , AV_LOG_PANIC },
2048 { "fatal" , AV_LOG_FATAL },
2049 { "error" , AV_LOG_ERROR },
2050 { "warning", AV_LOG_WARNING },
2051 { "info" , AV_LOG_INFO },
2052 { "verbose", AV_LOG_VERBOSE },
2053 { "debug" , AV_LOG_DEBUG },
2055 for( int i=0; i<(int)(sizeof(log_levels)/sizeof(log_levels[0])); ++i ) {
2056 if( !strcmp(log_levels[i].name, ap) ) {
2057 av_log_set_level(log_levels[i].level);
2061 av_log_set_level(atoi(ap));
2064 double FFMPEG::to_secs(int64_t time, AVRational time_base)
2066 double base_time = time == AV_NOPTS_VALUE ? 0 :
2067 av_rescale_q(time, time_base, AV_TIME_BASE_Q);
2068 return base_time / AV_TIME_BASE;
2071 int FFMPEG::info(char *text, int len)
2073 if( len <= 0 ) return 0;
2075 #define report(s...) do { int n = snprintf(cp,len,s); cp += n; len -= n; } while(0)
2077 report("format: %s\n",fmt_ctx->iformat->name);
2078 if( ffvideo.size() > 0 )
2079 report("\n%d video stream%s\n",ffvideo.size(), ffvideo.size()!=1 ? "s" : "");
2080 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
2081 FFVideoStream *vid = ffvideo[vidx];
2082 AVStream *st = vid->st;
2083 AVCodecID codec_id = st->codecpar->codec_id;
2084 report(_("vid%d (%d), id 0x%06x:\n"), vid->idx, vid->fidx, codec_id);
2085 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
2086 report(" video%d %s", vidx+1, desc ? desc->name : " (unkn)");
2087 report(" %dx%d %5.2f", vid->width, vid->height, vid->frame_rate);
2088 AVPixelFormat pix_fmt = (AVPixelFormat)st->codecpar->format;
2089 const char *pfn = av_get_pix_fmt_name(pix_fmt);
2090 report(" pix %s\n", pfn ? pfn : "(unkn)");
2091 double secs = to_secs(st->duration, st->time_base);
2092 int64_t length = secs * vid->frame_rate + 0.5;
2093 double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
2094 int64_t nudge = ofs * vid->frame_rate;
2095 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
2096 report(" %jd%c%jd frms %0.2f secs", length,ch,nudge, secs);
2097 int hrs = secs/3600; secs -= hrs*3600;
2098 int mins = secs/60; secs -= mins*60;
2099 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
2101 if( ffaudio.size() > 0 )
2102 report("\n%d audio stream%s\n",ffaudio.size(), ffaudio.size()!=1 ? "s" : "");
2103 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
2104 FFAudioStream *aud = ffaudio[aidx];
2105 AVStream *st = aud->st;
2106 AVCodecID codec_id = st->codecpar->codec_id;
2107 report(_("aud%d (%d), id 0x%06x:\n"), aud->idx, aud->fidx, codec_id);
2108 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
2109 int nch = aud->channels, ch0 = aud->channel0+1;
2110 report(" audio%d-%d %s", ch0, ch0+nch-1, desc ? desc->name : " (unkn)");
2111 AVSampleFormat sample_fmt = (AVSampleFormat)st->codecpar->format;
2112 const char *fmt = av_get_sample_fmt_name(sample_fmt);
2113 report(" %s %d", fmt, aud->sample_rate);
2114 int sample_bits = av_get_bits_per_sample(codec_id);
2115 report(" %dbits\n", sample_bits);
2116 double secs = to_secs(st->duration, st->time_base);
2117 int64_t length = secs * aud->sample_rate + 0.5;
2118 double ofs = to_secs((aud->nudge - st->start_time), st->time_base);
2119 int64_t nudge = ofs * aud->sample_rate;
2120 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
2121 report(" %jd%c%jd smpl %0.2f secs", length,ch,nudge, secs);
2122 int hrs = secs/3600; secs -= hrs*3600;
2123 int mins = secs/60; secs -= mins*60;
2124 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
2126 if( fmt_ctx->nb_programs > 0 )
2127 report("\n%d program%s\n",fmt_ctx->nb_programs, fmt_ctx->nb_programs!=1 ? "s" : "");
2128 for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
2129 report("program %d", i+1);
2130 AVProgram *pgrm = fmt_ctx->programs[i];
2131 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2132 int idx = pgrm->stream_index[j];
2133 int vidx = ffvideo.size();
2134 while( --vidx>=0 && ffvideo[vidx]->fidx != idx );
2136 report(", vid%d", vidx);
2139 int aidx = ffaudio.size();
2140 while( --aidx>=0 && ffaudio[aidx]->fidx != idx );
2142 report(", aud%d", aidx);
2145 report(", (%d)", pgrm->stream_index[j]);
2150 AVDictionaryEntry *tag = 0;
2151 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
2152 report("%s=%s\n", tag->key, tag->value);
2161 int FFMPEG::init_decoder(const char *filename)
2163 ff_lock("FFMPEG::init_decoder");
2165 char file_opts[BCTEXTLEN];
2166 strcpy(file_opts, filename);
2167 char *bp = strrchr(file_opts, '/');
2168 if( !bp ) bp = file_opts;
2169 char *sp = strrchr(bp, '.');
2170 if( !sp ) sp = bp + strlen(bp);
2172 AVInputFormat *ifmt = 0;
2174 strcpy(sp, ".opts");
2175 fp = fopen(file_opts, "r");
2178 read_options(fp, file_opts, opts);
2180 AVDictionaryEntry *tag;
2181 if( (tag=av_dict_get(opts, "format", NULL, 0)) != 0 ) {
2182 ifmt = av_find_input_format(tag->value);
2186 load_options("decode.opts", opts);
2187 AVDictionary *fopts = 0;
2188 av_dict_copy(&fopts, opts, 0);
2189 int ret = avformat_open_input(&fmt_ctx, filename, ifmt, &fopts);
2190 av_dict_free(&fopts);
2192 ret = avformat_find_stream_info(fmt_ctx, NULL);
2197 return !ret ? 0 : 1;
2200 int FFMPEG::open_decoder()
2203 if( stat(fmt_ctx->url, &st) < 0 ) {
2204 eprintf(_("can't stat file: %s\n"), fmt_ctx->url);
2208 int64_t file_bits = 8 * st.st_size;
2209 if( !fmt_ctx->bit_rate && opt_duration > 0 )
2210 fmt_ctx->bit_rate = file_bits / opt_duration;
2213 if( fmt_ctx->bit_rate > 0 ) {
2214 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
2215 AVStream *st = fmt_ctx->streams[i];
2216 if( st->duration != AV_NOPTS_VALUE ) continue;
2217 if( st->time_base.num > INT64_MAX / fmt_ctx->bit_rate ) continue;
2218 st->duration = av_rescale(file_bits, st->time_base.den,
2219 fmt_ctx->bit_rate * (int64_t) st->time_base.num);
2223 if( estimated && !(fflags & FF_ESTM_TIMES) ) {
2224 fflags |= FF_ESTM_TIMES;
2225 printf("FFMPEG::open_decoder: some stream times estimated: %s\n",
2229 ff_lock("FFMPEG::open_decoder");
2230 int ret = 0, bad_time = 0;
2231 for( int i=0; !ret && i<(int)fmt_ctx->nb_streams; ++i ) {
2232 AVStream *st = fmt_ctx->streams[i];
2233 if( st->duration == AV_NOPTS_VALUE ) bad_time = 1;
2234 AVCodecParameters *avpar = st->codecpar;
2235 const AVCodecDescriptor *codec_desc = avcodec_descriptor_get(avpar->codec_id);
2236 if( !codec_desc ) continue;
2237 switch( avpar->codec_type ) {
2238 case AVMEDIA_TYPE_VIDEO: {
2239 if( avpar->width < 1 ) continue;
2240 if( avpar->height < 1 ) continue;
2241 AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
2242 if( framerate.num < 1 ) continue;
2244 int vidx = ffvideo.size();
2245 FFVideoStream *vid = new FFVideoStream(this, st, vidx, i);
2246 vstrm_index.append(ffidx(vidx, 0));
2247 ffvideo.append(vid);
2248 vid->width = avpar->width;
2249 vid->height = avpar->height;
2250 vid->frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
2251 double secs = to_secs(st->duration, st->time_base);
2252 vid->length = secs * vid->frame_rate;
2253 vid->aspect_ratio = (double)st->sample_aspect_ratio.num / st->sample_aspect_ratio.den;
2254 vid->nudge = st->start_time;
2256 if( opt_video_filter )
2257 ret = vid->create_filter(opt_video_filter, avpar);
2259 case AVMEDIA_TYPE_AUDIO: {
2260 if( avpar->channels < 1 ) continue;
2261 if( avpar->sample_rate < 1 ) continue;
2263 int aidx = ffaudio.size();
2264 FFAudioStream *aud = new FFAudioStream(this, st, aidx, i);
2265 ffaudio.append(aud);
2266 aud->channel0 = astrm_index.size();
2267 aud->channels = avpar->channels;
2268 for( int ch=0; ch<aud->channels; ++ch )
2269 astrm_index.append(ffidx(aidx, ch));
2270 aud->sample_rate = avpar->sample_rate;
2271 double secs = to_secs(st->duration, st->time_base);
2272 aud->length = secs * aud->sample_rate;
2273 aud->init_swr(aud->channels, avpar->format, aud->sample_rate);
2274 aud->nudge = st->start_time;
2276 if( opt_audio_filter )
2277 ret = aud->create_filter(opt_audio_filter, avpar);
2282 if( bad_time && !(fflags & FF_BAD_TIMES) ) {
2283 fflags |= FF_BAD_TIMES;
2284 printf("FFMPEG::open_decoder: some stream have bad times: %s\n",
2288 return ret < 0 ? -1 : 0;
2292 int FFMPEG::init_encoder(const char *filename)
2294 // try access first for named pipes
2295 int ret = access(filename, W_OK);
2297 int fd = ::open(filename,O_WRONLY);
2298 if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
2299 if( fd >= 0 ) { close(fd); ret = 0; }
2302 eprintf(_("bad file path: %s\n"), filename);
2305 ret = get_file_format();
2307 eprintf(_("bad file format: %s\n"), filename);
2311 eprintf(_("mismatch audio/video file format: %s\n"), filename);
2314 ff_lock("FFMPEG::init_encoder");
2316 char format[BCSTRLEN];
2317 if( get_format(format, "format", file_format) )
2318 strcpy(format, file_format);
2319 avformat_alloc_output_context2(&fmt_ctx, 0, format, filename);
2321 eprintf(_("failed: %s\n"), filename);
2326 load_options("encode.opts", opts);
2332 int FFMPEG::open_encoder(const char *type, const char *spec)
2335 Asset *asset = file_base->asset;
2336 char *filename = asset->path;
2337 AVDictionary *sopts = 0;
2338 av_dict_copy(&sopts, opts, 0);
2339 char option_path[BCTEXTLEN];
2340 set_option_path(option_path, "%s/%s.opts", type, type);
2341 read_options(option_path, sopts);
2342 get_option_path(option_path, type, spec);
2343 char format_name[BCSTRLEN], codec_name[BCTEXTLEN], bsfilter[BCTEXTLEN];
2344 if( get_encoder(option_path, format_name, codec_name, bsfilter) ) {
2345 eprintf(_("get_encoder failed %s:%s\n"), option_path, filename);
2350 if( !strcmp(codec_name, CODEC_TAG_DVSD) ) strcpy(codec_name, "dv");
2352 else if( !strcmp(codec_name, CODEC_TAG_MJPEG) ) strcpy(codec_name, "mjpeg");
2353 else if( !strcmp(codec_name, CODEC_TAG_JPEG) ) strcpy(codec_name, "jpeg");
2356 ff_lock("FFMPEG::open_encoder");
2359 AVCodecContext *ctx = 0;
2361 const AVCodecDescriptor *codec_desc = 0;
2362 AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
2364 eprintf(_("cant find codec %s:%s\n"), codec_name, filename);
2368 codec_desc = avcodec_descriptor_get(codec->id);
2370 eprintf(_("unknown codec %s:%s\n"), codec_name, filename);
2375 st = avformat_new_stream(fmt_ctx, 0);
2377 eprintf(_("cant create stream %s:%s\n"), codec_name, filename);
2382 switch( codec_desc->type ) {
2383 case AVMEDIA_TYPE_AUDIO: {
2385 eprintf(_("duplicate audio %s:%s\n"), codec_name, filename);
2389 if( scan_options(asset->ff_audio_options, sopts, st) ) {
2390 eprintf(_("bad audio options %s:%s\n"), codec_name, filename);
2395 ctx = avcodec_alloc_context3(codec);
2396 if( asset->ff_audio_bitrate > 0 ) {
2397 ctx->bit_rate = asset->ff_audio_bitrate;
2399 sprintf(arg, "%d", asset->ff_audio_bitrate);
2400 av_dict_set(&sopts, "b", arg, 0);
2402 else if( asset->ff_audio_quality >= 0 ) {
2403 ctx->global_quality = asset->ff_audio_quality * FF_QP2LAMBDA;
2404 ctx->qmin = ctx->qmax = asset->ff_audio_quality;
2405 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2406 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2407 ctx->flags |= AV_CODEC_FLAG_QSCALE;
2409 av_dict_set(&sopts, "flags", "+qscale", 0);
2410 sprintf(arg, "%d", asset->ff_audio_quality);
2411 av_dict_set(&sopts, "qscale", arg, 0);
2412 sprintf(arg, "%d", ctx->global_quality);
2413 av_dict_set(&sopts, "global_quality", arg, 0);
2415 int aidx = ffaudio.size();
2416 int fidx = aidx + ffvideo.size();
2417 FFAudioStream *aud = new FFAudioStream(this, st, aidx, fidx);
2418 aud->avctx = ctx; ffaudio.append(aud); fst = aud;
2419 aud->sample_rate = asset->sample_rate;
2420 ctx->channels = aud->channels = asset->channels;
2421 for( int ch=0; ch<aud->channels; ++ch )
2422 astrm_index.append(ffidx(aidx, ch));
2423 ctx->channel_layout = av_get_default_channel_layout(ctx->channels);
2424 ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
2425 if( !ctx->sample_rate ) {
2426 eprintf(_("check_sample_rate failed %s\n"), filename);
2430 ctx->time_base = st->time_base = (AVRational){1, aud->sample_rate};
2431 AVSampleFormat sample_fmt = av_get_sample_fmt(asset->ff_sample_format);
2432 if( sample_fmt == AV_SAMPLE_FMT_NONE )
2433 sample_fmt = codec->sample_fmts ? codec->sample_fmts[0] : AV_SAMPLE_FMT_S16;
2434 ctx->sample_fmt = sample_fmt;
2435 uint64_t layout = av_get_default_channel_layout(ctx->channels);
2436 aud->resample_context = swr_alloc_set_opts(NULL,
2437 layout, ctx->sample_fmt, aud->sample_rate,
2438 layout, AV_SAMPLE_FMT_FLT, ctx->sample_rate,
2440 swr_init(aud->resample_context);
2443 case AVMEDIA_TYPE_VIDEO: {
2445 eprintf(_("duplicate video %s:%s\n"), codec_name, filename);
2449 if( scan_options(asset->ff_video_options, sopts, st) ) {
2450 eprintf(_("bad video options %s:%s\n"), codec_name, filename);
2455 ctx = avcodec_alloc_context3(codec);
2456 if( asset->ff_video_bitrate > 0 ) {
2457 ctx->bit_rate = asset->ff_video_bitrate;
2459 sprintf(arg, "%d", asset->ff_video_bitrate);
2460 av_dict_set(&sopts, "b", arg, 0);
2462 else if( asset->ff_video_quality >= 0 ) {
2463 ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
2464 ctx->qmin = ctx->qmax = asset->ff_video_quality;
2465 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2466 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2467 ctx->flags |= AV_CODEC_FLAG_QSCALE;
2469 av_dict_set(&sopts, "flags", "+qscale", 0);
2470 sprintf(arg, "%d", asset->ff_video_quality);
2471 av_dict_set(&sopts, "qscale", arg, 0);
2472 sprintf(arg, "%d", ctx->global_quality);
2473 av_dict_set(&sopts, "global_quality", arg, 0);
2475 int vidx = ffvideo.size();
2476 int fidx = vidx + ffaudio.size();
2477 FFVideoStream *vid = new FFVideoStream(this, st, vidx, fidx);
2478 vstrm_index.append(ffidx(vidx, 0));
2479 vid->avctx = ctx; ffvideo.append(vid); fst = vid;
2480 vid->width = asset->width;
2481 vid->height = asset->height;
2482 vid->frame_rate = asset->frame_rate;
2484 AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
2485 if( opt_hw_dev != 0 ) {
2486 AVHWDeviceType hw_type = vid->encode_hw_activate(opt_hw_dev);
2488 case AV_HWDEVICE_TYPE_VAAPI:
2489 pix_fmt = AV_PIX_FMT_VAAPI;
2491 case AV_HWDEVICE_TYPE_NONE:
2493 pix_fmt = av_get_pix_fmt(asset->ff_pixel_format);
2497 if( pix_fmt == AV_PIX_FMT_NONE )
2498 pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
2499 ctx->pix_fmt = pix_fmt;
2501 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
2502 int mask_w = (1<<desc->log2_chroma_w)-1;
2503 ctx->width = (vid->width+mask_w) & ~mask_w;
2504 int mask_h = (1<<desc->log2_chroma_h)-1;
2505 ctx->height = (vid->height+mask_h) & ~mask_h;
2506 ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset);
2507 AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
2508 if( !frame_rate.num || !frame_rate.den ) {
2509 eprintf(_("check_frame_rate failed %s\n"), filename);
2513 av_reduce(&frame_rate.num, &frame_rate.den,
2514 frame_rate.num, frame_rate.den, INT_MAX);
2515 ctx->framerate = (AVRational) { frame_rate.num, frame_rate.den };
2516 ctx->time_base = (AVRational) { frame_rate.den, frame_rate.num };
2517 st->avg_frame_rate = frame_rate;
2518 st->time_base = ctx->time_base;
2520 vid->interlaced = asset->interlace_mode == ILACE_MODE_TOP_FIRST ||
2521 asset->interlace_mode == ILACE_MODE_BOTTOM_FIRST ? 1 : 0;
2522 vid->top_field_first = asset->interlace_mode == ILACE_MODE_TOP_FIRST ? 1 : 0;
2525 eprintf(_("not audio/video, %s:%s\n"), codec_name, filename);
2530 AVDictionaryEntry *tag;
2531 if( (tag=av_dict_get(sopts, "cin_stats_filename", NULL, 0)) != 0 ) {
2532 char suffix[BCSTRLEN]; sprintf(suffix,"-%d.log",fst->fidx);
2533 fst->stats_filename = cstrcat(2, tag->value, suffix);
2535 if( (tag=av_dict_get(sopts, "flags", NULL, 0)) != 0 ) {
2536 int pass = fst->pass;
2537 char *cp = tag->value;
2539 int ch = *cp++, pfx = ch=='-' ? -1 : ch=='+' ? 1 : 0;
2540 if( !isalnum(!pfx ? ch : (ch=*cp++)) ) continue;
2541 char id[BCSTRLEN], *bp = id, *ep = bp+sizeof(id)-1;
2542 for( *bp++=ch; isalnum(ch=*cp); ++cp )
2543 if( bp < ep ) *bp++ = ch;
2545 if( !strcmp(id, "pass1") ) {
2546 pass = pfx<0 ? (pass&~1) : pfx>0 ? (pass|1) : 1;
2548 else if( !strcmp(id, "pass2") ) {
2549 pass = pfx<0 ? (pass&~2) : pfx>0 ? (pass|2) : 2;
2552 if( (fst->pass=pass) ) {
2553 if( pass & 1 ) ctx->flags |= AV_CODEC_FLAG_PASS1;
2554 if( pass & 2 ) ctx->flags |= AV_CODEC_FLAG_PASS2;
2560 if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
2561 ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
2562 if( fst->stats_filename && (ret=fst->init_stats_file()) )
2563 eprintf(_("error: stats file = %s\n"), fst->stats_filename);
2566 av_dict_set(&sopts, "cin_bitrate", 0, 0);
2567 av_dict_set(&sopts, "cin_quality", 0, 0);
2569 if( !av_dict_get(sopts, "threads", NULL, 0) )
2570 ctx->thread_count = ff_cpus();
2571 ret = avcodec_open2(ctx, codec, &sopts);
2573 ret = avcodec_parameters_from_context(st->codecpar, ctx);
2575 fprintf(stderr, "Could not copy the stream parameters\n");
2578 _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
2579 ret = avcodec_copy_context(st->codec, ctx);
2580 _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
2582 fprintf(stderr, "Could not copy the stream context\n");
2585 ff_err(ret,"FFMPEG::open_encoder");
2586 eprintf(_("open failed %s:%s\n"), codec_name, filename);
2592 if( !ret && fst && bsfilter[0] ) {
2593 ret = av_bsf_list_parse_str(bsfilter, &fst->bsfc);
2595 ff_err(ret,"FFMPEG::open_encoder");
2596 eprintf(_("bitstream filter failed %s:\n%s\n"), filename, bsfilter);
2607 av_dict_free(&sopts);
2611 int FFMPEG::close_encoder()
2614 if( encoding > 0 ) {
2615 av_write_trailer(fmt_ctx);
2616 if( !(fmt_ctx->flags & AVFMT_NOFILE) )
2617 avio_closep(&fmt_ctx->pb);
2623 int FFMPEG::decode_activate()
2625 if( decoding < 0 ) {
2627 for( int vidx=0; vidx<ffvideo.size(); ++vidx )
2628 ffvideo[vidx]->nudge = AV_NOPTS_VALUE;
2629 for( int aidx=0; aidx<ffaudio.size(); ++aidx )
2630 ffaudio[aidx]->nudge = AV_NOPTS_VALUE;
2631 // set nudges for each program stream set
2632 const int64_t min_nudge = INT64_MIN+1;
2633 int npgrms = fmt_ctx->nb_programs;
2634 for( int i=0; i<npgrms; ++i ) {
2635 AVProgram *pgrm = fmt_ctx->programs[i];
2636 // first start time video stream
2637 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2638 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2639 int fidx = pgrm->stream_index[j];
2640 AVStream *st = fmt_ctx->streams[fidx];
2641 AVCodecParameters *avpar = st->codecpar;
2642 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2643 if( st->start_time == AV_NOPTS_VALUE ) continue;
2644 if( vstart_time < st->start_time )
2645 vstart_time = st->start_time;
2648 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2649 if( st->start_time == AV_NOPTS_VALUE ) continue;
2650 if( astart_time < st->start_time )
2651 astart_time = st->start_time;
2655 //since frame rate is much more grainy than sample rate, it is better to
2656 // align using video, so that total absolute error is minimized.
2657 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2658 astart_time > min_nudge ? astart_time : AV_NOPTS_VALUE;
2659 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2660 int fidx = pgrm->stream_index[j];
2661 AVStream *st = fmt_ctx->streams[fidx];
2662 AVCodecParameters *avpar = st->codecpar;
2663 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2664 for( int k=0; k<ffvideo.size(); ++k ) {
2665 if( ffvideo[k]->fidx != fidx ) continue;
2666 ffvideo[k]->nudge = nudge;
2670 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2671 for( int k=0; k<ffaudio.size(); ++k ) {
2672 if( ffaudio[k]->fidx != fidx ) continue;
2673 ffaudio[k]->nudge = nudge;
2679 // set nudges for any streams not yet set
2680 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2681 int nstreams = fmt_ctx->nb_streams;
2682 for( int i=0; i<nstreams; ++i ) {
2683 AVStream *st = fmt_ctx->streams[i];
2684 AVCodecParameters *avpar = st->codecpar;
2685 switch( avpar->codec_type ) {
2686 case AVMEDIA_TYPE_VIDEO: {
2687 if( st->start_time == AV_NOPTS_VALUE ) continue;
2688 int vidx = ffvideo.size();
2689 while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
2690 if( vidx < 0 ) continue;
2691 if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
2692 if( vstart_time < st->start_time )
2693 vstart_time = st->start_time;
2695 case AVMEDIA_TYPE_AUDIO: {
2696 if( st->start_time == AV_NOPTS_VALUE ) continue;
2697 int aidx = ffaudio.size();
2698 while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
2699 if( aidx < 0 ) continue;
2700 if( ffaudio[aidx]->frame_sz < avpar->frame_size )
2701 ffaudio[aidx]->frame_sz = avpar->frame_size;
2702 if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
2703 if( astart_time < st->start_time )
2704 astart_time = st->start_time;
2709 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2710 astart_time > min_nudge ? astart_time : 0;
2711 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
2712 if( ffvideo[vidx]->nudge == AV_NOPTS_VALUE )
2713 ffvideo[vidx]->nudge = nudge;
2715 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
2716 if( ffaudio[aidx]->nudge == AV_NOPTS_VALUE )
2717 ffaudio[aidx]->nudge = nudge;
2724 int FFMPEG::encode_activate()
2727 if( encoding < 0 ) {
2729 if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
2730 (ret=avio_open(&fmt_ctx->pb, fmt_ctx->url, AVIO_FLAG_WRITE)) < 0 ) {
2731 ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
2737 AVProgram *prog = av_new_program(fmt_ctx, prog_id);
2738 for( int i=0; i< ffvideo.size(); ++i )
2739 av_program_add_stream_index(fmt_ctx, prog_id, ffvideo[i]->fidx);
2740 for( int i=0; i< ffaudio.size(); ++i )
2741 av_program_add_stream_index(fmt_ctx, prog_id, ffaudio[i]->fidx);
2742 int pi = fmt_ctx->nb_programs;
2743 while( --pi >= 0 && fmt_ctx->programs[pi]->id != prog_id );
2744 AVDictionary **meta = &prog->metadata;
2745 av_dict_set(meta, "service_provider", "cin5", 0);
2746 const char *path = fmt_ctx->url, *bp = strrchr(path,'/');
2747 if( bp ) path = bp + 1;
2748 av_dict_set(meta, "title", path, 0);
2750 if( ffaudio.size() ) {
2751 const char *ep = getenv("CIN_AUDIO_LANG"), *lp = 0;
2752 if( !ep && (lp=getenv("LANG")) ) { // some are guesses
2753 static struct { const char lc[3], lng[4]; } lcode[] = {
2754 { "en", "eng" }, { "de", "ger" }, { "es", "spa" },
2755 { "eu", "bas" }, { "fr", "fre" }, { "el", "gre" },
2756 { "hi", "hin" }, { "it", "ita" }, { "ja", "jap" },
2757 { "ko", "kor" }, { "du", "dut" }, { "pl", "pol" },
2758 { "pt", "por" }, { "ru", "rus" }, { "sl", "slv" },
2759 { "uk", "ukr" }, { "vi", "vie" }, { "zh", "chi" },
2761 for( int i=sizeof(lcode)/sizeof(lcode[0]); --i>=0 && !ep; )
2762 if( !strncmp(lcode[i].lc,lp,2) ) ep = lcode[i].lng;
2764 if( !ep ) ep = "und";
2766 strncpy(lang,ep,3); lang[3] = 0;
2767 AVStream *st = ffaudio[0]->st;
2768 av_dict_set(&st->metadata,"language",lang,0);
2771 AVDictionary *fopts = 0;
2772 char option_path[BCTEXTLEN];
2773 set_option_path(option_path, "format/%s", file_format);
2774 read_options(option_path, fopts, 1);
2775 ret = avformat_write_header(fmt_ctx, &fopts);
2777 ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
2781 av_dict_free(&fopts);
2788 int FFMPEG::audio_seek(int stream, int64_t pos)
2790 int aidx = astrm_index[stream].st_idx;
2791 FFAudioStream *aud = ffaudio[aidx];
2792 aud->audio_seek(pos);
2796 int FFMPEG::video_seek(int stream, int64_t pos)
2798 int vidx = vstrm_index[stream].st_idx;
2799 FFVideoStream *vid = ffvideo[vidx];
2800 vid->video_seek(pos);
2805 int FFMPEG::decode(int chn, int64_t pos, double *samples, int len)
2807 if( !has_audio || chn >= astrm_index.size() ) return -1;
2808 int aidx = astrm_index[chn].st_idx;
2809 FFAudioStream *aud = ffaudio[aidx];
2810 if( aud->load(pos, len) < len ) return -1;
2811 int ch = astrm_index[chn].st_ch;
2812 int ret = aud->read(samples,len,ch);
2816 int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)
2818 if( !has_video || layer >= vstrm_index.size() ) return -1;
2819 int vidx = vstrm_index[layer].st_idx;
2820 FFVideoStream *vid = ffvideo[vidx];
2821 return vid->load(vframe, pos);
2825 int FFMPEG::encode(int stream, double **samples, int len)
2827 FFAudioStream *aud = ffaudio[stream];
2828 return aud->encode(samples, len);
2832 int FFMPEG::encode(int stream, VFrame *frame)
2834 FFVideoStream *vid = ffvideo[stream];
2835 return vid->encode(frame);
2838 void FFMPEG::start_muxer()
2846 void FFMPEG::stop_muxer()
2855 void FFMPEG::flow_off()
2858 flow_lock->lock("FFMPEG::flow_off");
2862 void FFMPEG::flow_on()
2866 flow_lock->unlock();
2869 void FFMPEG::flow_ctl()
2872 flow_lock->lock("FFMPEG::flow_ctl");
2873 flow_lock->unlock();
2877 int FFMPEG::mux_audio(FFrame *frm)
2879 FFStream *fst = frm->fst;
2880 AVCodecContext *ctx = fst->avctx;
2881 AVFrame *frame = *frm;
2882 AVRational tick_rate = {1, ctx->sample_rate};
2883 frame->pts = av_rescale_q(frm->position, tick_rate, ctx->time_base);
2884 int ret = fst->encode_frame(frame);
2886 ff_err(ret, "FFMPEG::mux_audio");
2887 return ret >= 0 ? 0 : 1;
2890 int FFMPEG::mux_video(FFrame *frm)
2892 FFStream *fst = frm->fst;
2893 AVFrame *frame = *frm;
2894 frame->pts = frm->position;
2895 int ret = fst->encode_frame(frame);
2897 ff_err(ret, "FFMPEG::mux_video");
2898 return ret >= 0 ? 0 : 1;
2904 double atm = -1, vtm = -1;
2905 FFrame *afrm = 0, *vfrm = 0;
2907 for( int i=0; i<ffaudio.size(); ++i ) { // earliest audio
2908 FFStream *fst = ffaudio[i];
2909 if( fst->frm_count < 3 ) { demand = 1; flow_on(); }
2910 FFrame *frm = fst->frms.first;
2911 if( !frm ) { if( !done ) return; continue; }
2912 double tm = to_secs(frm->position, fst->avctx->time_base);
2913 if( atm < 0 || tm < atm ) { atm = tm; afrm = frm; }
2915 for( int i=0; i<ffvideo.size(); ++i ) { // earliest video
2916 FFStream *fst = ffvideo[i];
2917 if( fst->frm_count < 2 ) { demand = 1; flow_on(); }
2918 FFrame *frm = fst->frms.first;
2919 if( !frm ) { if( !done ) return; continue; }
2920 double tm = to_secs(frm->position, fst->avctx->time_base);
2921 if( vtm < 0 || tm < vtm ) { vtm = tm; vfrm = frm; }
2923 if( !demand ) flow_off();
2924 if( !afrm && !vfrm ) break;
2925 int v = !afrm ? -1 : !vfrm ? 1 : av_compare_ts(
2926 vfrm->position, vfrm->fst->avctx->time_base,
2927 afrm->position, afrm->fst->avctx->time_base);
2928 FFrame *frm = v <= 0 ? vfrm : afrm;
2929 if( frm == afrm ) mux_audio(frm);
2930 if( frm == vfrm ) mux_video(frm);
2939 mux_lock->lock("FFMPEG::run");
2942 for( int i=0; i<ffaudio.size(); ++i )
2943 ffaudio[i]->drain();
2944 for( int i=0; i<ffvideo.size(); ++i )
2945 ffvideo[i]->drain();
2947 for( int i=0; i<ffaudio.size(); ++i )
2948 ffaudio[i]->flush();
2949 for( int i=0; i<ffvideo.size(); ++i )
2950 ffvideo[i]->flush();
2954 int FFMPEG::ff_total_audio_channels()
2956 return astrm_index.size();
2959 int FFMPEG::ff_total_astreams()
2961 return ffaudio.size();
2964 int FFMPEG::ff_audio_channels(int stream)
2966 return ffaudio[stream]->channels;
2969 int FFMPEG::ff_sample_rate(int stream)
2971 return ffaudio[stream]->sample_rate;
2974 const char* FFMPEG::ff_audio_format(int stream)
2976 AVStream *st = ffaudio[stream]->st;
2977 AVCodecID id = st->codecpar->codec_id;
2978 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
2979 return desc ? desc->name : _("Unknown");
2982 int FFMPEG::ff_audio_pid(int stream)
2984 return ffaudio[stream]->st->id;
2987 int64_t FFMPEG::ff_audio_samples(int stream)
2989 return ffaudio[stream]->length;
2992 // find audio astream/channels with this program,
2993 // or all program audio channels (astream=-1)
2994 int FFMPEG::ff_audio_for_video(int vstream, int astream, int64_t &channel_mask)
2998 int vidx = ffvideo[vstream]->fidx;
2999 // find first program with this video stream
3000 for( int i=0; pidx<0 && i<(int)fmt_ctx->nb_programs; ++i ) {
3001 AVProgram *pgrm = fmt_ctx->programs[i];
3002 for( int j=0; pidx<0 && j<(int)pgrm->nb_stream_indexes; ++j ) {
3003 int st_idx = pgrm->stream_index[j];
3004 AVStream *st = fmt_ctx->streams[st_idx];
3005 if( st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ) continue;
3006 if( st_idx == vidx ) pidx = i;
3009 if( pidx < 0 ) return -1;
3011 int64_t channels = 0;
3012 AVProgram *pgrm = fmt_ctx->programs[pidx];
3013 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
3014 int aidx = pgrm->stream_index[j];
3015 AVStream *st = fmt_ctx->streams[aidx];
3016 if( st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
3017 if( astream > 0 ) { --astream; continue; }
3019 for( int i=0; astrm<0 && i<ffaudio.size(); ++i )
3020 if( ffaudio[i]->fidx == aidx ) astrm = i;
3022 if( ret < 0 ) ret = astrm;
3023 int64_t mask = (1 << ffaudio[astrm]->channels) - 1;
3024 channels |= mask << ffaudio[astrm]->channel0;
3026 if( !astream ) break;
3028 channel_mask = channels;
3033 int FFMPEG::ff_total_video_layers()
3035 return vstrm_index.size();
3038 int FFMPEG::ff_total_vstreams()
3040 return ffvideo.size();
3043 int FFMPEG::ff_video_width(int stream)
3045 return ffvideo[stream]->width;
3048 int FFMPEG::ff_video_height(int stream)
3050 return ffvideo[stream]->height;
3053 int FFMPEG::ff_set_video_width(int stream, int width)
3055 int w = ffvideo[stream]->width;
3056 ffvideo[stream]->width = width;
3060 int FFMPEG::ff_set_video_height(int stream, int height)
3062 int h = ffvideo[stream]->height;
3063 ffvideo[stream]->height = height;
3067 int FFMPEG::ff_coded_width(int stream)
3069 return ffvideo[stream]->avctx->coded_width;
3072 int FFMPEG::ff_coded_height(int stream)
3074 return ffvideo[stream]->avctx->coded_height;
3077 float FFMPEG::ff_aspect_ratio(int stream)
3079 return ffvideo[stream]->aspect_ratio;
3082 const char* FFMPEG::ff_video_format(int stream)
3084 AVStream *st = ffvideo[stream]->st;
3085 AVCodecID id = st->codecpar->codec_id;
3086 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
3087 return desc ? desc->name : _("Unknown");
3090 double FFMPEG::ff_frame_rate(int stream)
3092 return ffvideo[stream]->frame_rate;
3095 int64_t FFMPEG::ff_video_frames(int stream)
3097 return ffvideo[stream]->length;
3100 int FFMPEG::ff_video_pid(int stream)
3102 return ffvideo[stream]->st->id;
3105 int FFMPEG::ff_video_mpeg_color_range(int stream)
3107 return ffvideo[stream]->st->codecpar->color_range == AVCOL_RANGE_MPEG ? 1 : 0;
3110 int FFMPEG::ff_cpus()
3112 return file_base->file->cpus;
3115 const char *FFMPEG::ff_hw_dev()
3117 return &file_base->file->preferences->use_hw_dev[0];
3120 int FFVideoStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
3122 avfilter_register_all();
3123 const char *sp = filter_spec;
3124 char filter_name[BCSTRLEN], *np = filter_name;
3125 int i = sizeof(filter_name);
3126 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
3128 const AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
3129 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_VIDEO ) {
3130 ff_err(AVERROR(EINVAL), "FFVideoStream::create_filter: %s\n", filter_spec);
3133 filter_graph = avfilter_graph_alloc();
3134 const AVFilter *buffersrc = avfilter_get_by_name("buffer");
3135 const AVFilter *buffersink = avfilter_get_by_name("buffersink");
3137 int ret = 0; char args[BCTEXTLEN];
3138 AVPixelFormat pix_fmt = (AVPixelFormat)avpar->format;
3139 snprintf(args, sizeof(args),
3140 "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
3141 avpar->width, avpar->height, (int)pix_fmt,
3142 st->time_base.num, st->time_base.den,
3143 avpar->sample_aspect_ratio.num, avpar->sample_aspect_ratio.den);
3145 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
3146 args, NULL, filter_graph);
3148 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
3149 NULL, NULL, filter_graph);
3151 ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",
3152 (uint8_t*)&pix_fmt, sizeof(pix_fmt),
3153 AV_OPT_SEARCH_CHILDREN);
3155 ff_err(ret, "FFVideoStream::create_filter");
3157 ret = FFStream::create_filter(filter_spec);
3158 return ret >= 0 ? 0 : -1;
3161 int FFAudioStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
3163 avfilter_register_all();
3164 const char *sp = filter_spec;
3165 char filter_name[BCSTRLEN], *np = filter_name;
3166 int i = sizeof(filter_name);
3167 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
3169 const AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
3170 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_AUDIO ) {
3171 ff_err(AVERROR(EINVAL), "FFAudioStream::create_filter: %s\n", filter_spec);
3174 filter_graph = avfilter_graph_alloc();
3175 const AVFilter *buffersrc = avfilter_get_by_name("abuffer");
3176 const AVFilter *buffersink = avfilter_get_by_name("abuffersink");
3177 int ret = 0; char args[BCTEXTLEN];
3178 AVSampleFormat sample_fmt = (AVSampleFormat)avpar->format;
3179 snprintf(args, sizeof(args),
3180 "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%jx",
3181 st->time_base.num, st->time_base.den, avpar->sample_rate,
3182 av_get_sample_fmt_name(sample_fmt), avpar->channel_layout);
3184 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
3185 args, NULL, filter_graph);
3187 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
3188 NULL, NULL, filter_graph);
3190 ret = av_opt_set_bin(buffersink_ctx, "sample_fmts",
3191 (uint8_t*)&sample_fmt, sizeof(sample_fmt),
3192 AV_OPT_SEARCH_CHILDREN);
3194 ret = av_opt_set_bin(buffersink_ctx, "channel_layouts",
3195 (uint8_t*)&avpar->channel_layout,
3196 sizeof(avpar->channel_layout), AV_OPT_SEARCH_CHILDREN);
3198 ret = av_opt_set_bin(buffersink_ctx, "sample_rates",
3199 (uint8_t*)&sample_rate, sizeof(sample_rate),
3200 AV_OPT_SEARCH_CHILDREN);
3202 ff_err(ret, "FFAudioStream::create_filter");
3204 ret = FFStream::create_filter(filter_spec);
3205 return ret >= 0 ? 0 : -1;
3208 int FFStream::create_filter(const char *filter_spec)
3210 /* Endpoints for the filter graph. */
3211 AVFilterInOut *outputs = avfilter_inout_alloc();
3212 outputs->name = av_strdup("in");
3213 outputs->filter_ctx = buffersrc_ctx;
3214 outputs->pad_idx = 0;
3217 AVFilterInOut *inputs = avfilter_inout_alloc();
3218 inputs->name = av_strdup("out");
3219 inputs->filter_ctx = buffersink_ctx;
3220 inputs->pad_idx = 0;
3223 int ret = !outputs->name || !inputs->name ? -1 : 0;
3225 ret = avfilter_graph_parse_ptr(filter_graph, filter_spec,
3226 &inputs, &outputs, NULL);
3228 ret = avfilter_graph_config(filter_graph, NULL);
3231 ff_err(ret, "FFStream::create_filter");
3232 avfilter_graph_free(&filter_graph);
3235 avfilter_inout_free(&inputs);
3236 avfilter_inout_free(&outputs);
3240 int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
3243 av_init_packet(&pkt);
3244 AVFrame *frame = av_frame_alloc();
3246 fprintf(stderr,"FFMPEG::scan: ");
3247 fprintf(stderr,_("av_frame_alloc failed\n"));
3248 fprintf(stderr,"FFMPEG::scan:file=%s\n", file_base->asset->path);
3252 index_state->add_video_markers(ffvideo.size());
3253 index_state->add_audio_markers(ffaudio.size());
3255 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
3257 AVDictionary *copts = 0;
3258 av_dict_copy(&copts, opts, 0);
3259 AVStream *st = fmt_ctx->streams[i];
3260 AVCodecID codec_id = st->codecpar->codec_id;
3261 AVCodec *decoder = avcodec_find_decoder(codec_id);
3262 AVCodecContext *avctx = avcodec_alloc_context3(decoder);
3264 eprintf(_("cant allocate codec context\n"));
3265 ret = AVERROR(ENOMEM);
3268 avcodec_parameters_to_context(avctx, st->codecpar);
3269 if( !av_dict_get(copts, "threads", NULL, 0) )
3270 avctx->thread_count = ff_cpus();
3271 ret = avcodec_open2(avctx, decoder, &copts);
3273 av_dict_free(&copts);
3275 AVCodecParameters *avpar = st->codecpar;
3276 switch( avpar->codec_type ) {
3277 case AVMEDIA_TYPE_VIDEO: {
3278 int vidx = ffvideo.size();
3279 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3280 if( vidx < 0 ) break;
3281 ffvideo[vidx]->avctx = avctx;
3283 case AVMEDIA_TYPE_AUDIO: {
3284 int aidx = ffaudio.size();
3285 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3286 if( aidx < 0 ) break;
3287 ffaudio[aidx]->avctx = avctx;
3292 fprintf(stderr,"FFMPEG::scan: ");
3293 fprintf(stderr,_("codec open failed\n"));
3294 fprintf(stderr,"FFMPEG::scan:file=%s\n", file_base->asset->path);
3295 avcodec_free_context(&avctx);
3299 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
3300 AVStream *st = fmt_ctx->streams[i];
3301 AVCodecParameters *avpar = st->codecpar;
3302 if( avpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
3303 int64_t tstmp = st->start_time;
3304 if( tstmp == AV_NOPTS_VALUE ) continue;
3305 int aidx = ffaudio.size();
3306 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3307 if( aidx < 0 ) continue;
3308 FFAudioStream *aud = ffaudio[aidx];
3309 tstmp -= aud->nudge;
3310 double secs = to_secs(tstmp, st->time_base);
3311 aud->curr_pos = secs * aud->sample_rate + 0.5;
3315 for( int64_t count=0; !*canceled; ++count ) {
3316 av_packet_unref(&pkt);
3317 pkt.data = 0; pkt.size = 0;
3319 int ret = av_read_frame(fmt_ctx, &pkt);
3321 if( ret == AVERROR_EOF ) break;
3322 if( ++errs > 100 ) {
3323 ff_err(ret,_("over 100 read_frame errs\n"));
3328 if( !pkt.data ) continue;
3329 int i = pkt.stream_index;
3330 if( i < 0 || i >= (int)fmt_ctx->nb_streams ) continue;
3331 AVStream *st = fmt_ctx->streams[i];
3332 if( pkt.pos > *scan_position ) *scan_position = pkt.pos;
3334 AVCodecParameters *avpar = st->codecpar;
3335 switch( avpar->codec_type ) {
3336 case AVMEDIA_TYPE_VIDEO: {
3337 int vidx = ffvideo.size();
3338 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3339 if( vidx < 0 ) break;
3340 FFVideoStream *vid = ffvideo[vidx];
3341 if( !vid->avctx ) break;
3342 int64_t tstmp = pkt.dts;
3343 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
3344 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3345 if( vid->nudge != AV_NOPTS_VALUE ) tstmp -= vid->nudge;
3346 double secs = to_secs(tstmp, st->time_base);
3347 int64_t frm = secs * vid->frame_rate + 0.5;
3348 if( frm < 0 ) frm = 0;
3349 index_state->put_video_mark(vidx, frm, pkt.pos);
3352 ret = avcodec_send_packet(vid->avctx, pkt);
3353 if( ret < 0 ) break;
3354 while( (ret=vid->decode_frame(frame)) > 0 ) {}
3357 case AVMEDIA_TYPE_AUDIO: {
3358 int aidx = ffaudio.size();
3359 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3360 if( aidx < 0 ) break;
3361 FFAudioStream *aud = ffaudio[aidx];
3362 if( !aud->avctx ) break;
3363 int64_t tstmp = pkt.pts;
3364 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
3365 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3366 if( aud->nudge != AV_NOPTS_VALUE ) tstmp -= aud->nudge;
3367 double secs = to_secs(tstmp, st->time_base);
3368 int64_t sample = secs * aud->sample_rate + 0.5;
3370 index_state->put_audio_mark(aidx, sample, pkt.pos);
3372 ret = avcodec_send_packet(aud->avctx, &pkt);
3373 if( ret < 0 ) break;
3374 int ch = aud->channel0, nch = aud->channels;
3375 int64_t pos = index_state->pos(ch);
3376 if( pos != aud->curr_pos ) {
3377 if( abs(pos-aud->curr_pos) > 1 )
3378 printf("audio%d pad %jd %jd (%jd)\n", aud->idx, pos, aud->curr_pos, pos-aud->curr_pos);
3379 index_state->pad_data(ch, nch, aud->curr_pos);
3381 while( (ret=aud->decode_frame(frame)) > 0 ) {
3382 //if( frame->channels != nch ) break;
3383 aud->init_swr(frame->channels, frame->format, frame->sample_rate);
3385 int len = aud->get_samples(samples,
3386 &frame->extended_data[0], frame->nb_samples);
3387 pos = aud->curr_pos;
3388 if( (aud->curr_pos += len) >= 0 ) {
3390 samples += -pos * nch;
3391 len = aud->curr_pos;
3393 for( int i=0; i<nch; ++i )
3394 index_state->put_data(ch+i,nch,samples+i,len);
3401 av_frame_free(&frame);
3405 void FFStream::load_markers(IndexMarks &marks, double rate)
3408 int64_t sz = marks.size();
3409 int max_entries = fmt_ctx->max_index_size / sizeof(AVIndexEntry) - 1;
3410 int nb_ent = st->nb_index_entries;
3411 // some formats already have an index
3413 AVIndexEntry *ep = &st->index_entries[nb_ent-1];
3414 int64_t tstmp = ep->timestamp;
3415 if( nudge != AV_NOPTS_VALUE ) tstmp -= nudge;
3416 double secs = ffmpeg->to_secs(tstmp, st->time_base);
3417 int64_t no = secs * rate;
3418 while( in < sz && marks[in].no <= no ) ++in;
3420 int64_t len = sz - in;
3421 int64_t count = max_entries - nb_ent;
3422 if( count > len ) count = len;
3423 for( int i=0; i<count; ++i ) {
3424 int k = in + i * len / count;
3425 int64_t no = marks[k].no, pos = marks[k].pos;
3426 double secs = (double)no / rate;
3427 int64_t tstmp = secs * st->time_base.den / st->time_base.num;
3428 if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
3429 av_add_index_entry(st, pos, tstmp, 0, 0, AVINDEX_KEYFRAME);