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 // this is a global parameter that really should be in the context
337 static AVPixelFormat hw_pix_fmt = AV_PIX_FMT_NONE; // protected by ff_lock
339 // goofy maneuver to attach a hw_format to an av_context
340 #define GET_HW_PIXFMT(fn, fmt) \
341 static AVPixelFormat get_hw_##fn(AVCodecContext *ctx, const enum AVPixelFormat *pix_fmts) { \
344 GET_HW_PIXFMT(vaapi, AV_PIX_FMT_VAAPI)
345 GET_HW_PIXFMT(vdpau, AV_PIX_FMT_VDPAU)
346 GET_HW_PIXFMT(cuda, AV_PIX_FMT_CUDA)
347 GET_HW_PIXFMT(nv12, AV_PIX_FMT_NV12)
349 static enum AVPixelFormat get_hw_format(AVCodecContext *ctx,
350 const enum AVPixelFormat *pix_fmts)
352 for( const enum AVPixelFormat *p=pix_fmts; *p!=AV_PIX_FMT_NONE; ++p ) {
353 if( *p != hw_pix_fmt ) continue;
355 case AV_PIX_FMT_VAAPI: ctx->get_format = get_hw_vaapi; return *p;
356 case AV_PIX_FMT_VDPAU: ctx->get_format = get_hw_vdpau; return *p;
357 case AV_PIX_FMT_CUDA: ctx->get_format = get_hw_cuda; return *p;
358 case AV_PIX_FMT_NV12: ctx->get_format = get_hw_nv12; return *p;
360 fprintf(stderr, "Unknown HW surface format: %s\n",
361 av_get_pix_fmt_name(*p));
365 fprintf(stderr, "Failed to get HW surface format.\n");
366 return hw_pix_fmt = AV_PIX_FMT_NONE;
370 AVHWDeviceType FFStream::decode_hw_activate()
372 return AV_HWDEVICE_TYPE_NONE;
375 int FFStream::decode_hw_format(AVCodec *decoder, AVHWDeviceType type)
380 int FFStream::decode_activate()
382 if( reading < 0 && (reading=ffmpeg->decode_activate()) > 0 ) {
383 ff_lock("FFStream::decode_activate");
385 AVDictionary *copts = 0;
386 av_dict_copy(&copts, ffmpeg->opts, 0);
388 AVHWDeviceType hw_type = decode_hw_activate();
390 // this should be avformat_copy_context(), but no copy avail
391 ret = avformat_open_input(&fmt_ctx,
392 ffmpeg->fmt_ctx->url, ffmpeg->fmt_ctx->iformat, &copts);
394 ret = avformat_find_stream_info(fmt_ctx, 0);
395 st = fmt_ctx->streams[fidx];
398 while( ret >= 0 && st != 0 && !reading ) {
399 AVCodecID codec_id = st->codecpar->codec_id;
400 AVCodec *decoder = 0;
402 if( ffmpeg->opt_video_decoder )
403 decoder = avcodec_find_decoder_by_name(ffmpeg->opt_video_decoder);
405 ffmpeg->video_codec_remaps.update(codec_id, decoder);
407 else if( is_audio() ) {
408 if( ffmpeg->opt_audio_decoder )
409 decoder = avcodec_find_decoder_by_name(ffmpeg->opt_audio_decoder);
411 ffmpeg->audio_codec_remaps.update(codec_id, decoder);
414 decoder = avcodec_find_decoder(codec_id);
415 avctx = avcodec_alloc_context3(decoder);
417 eprintf(_("cant allocate codec context\n"));
418 ret = AVERROR(ENOMEM);
420 if( ret >= 0 && hw_type != AV_HWDEVICE_TYPE_NONE ) {
421 ret = decode_hw_format(decoder, hw_type);
422 if( !ret ) hw_type = AV_HWDEVICE_TYPE_NONE;
425 avcodec_parameters_to_context(avctx, st->codecpar);
426 if( !av_dict_get(copts, "threads", NULL, 0) )
427 avctx->thread_count = ffmpeg->ff_cpus();
428 ret = avcodec_open2(avctx, decoder, &copts);
430 if( ret >= 0 && hw_type != AV_HWDEVICE_TYPE_NONE ) {
436 AVPacket *pkt = (AVPacket*)ipkt;
437 ret = avcodec_send_packet(avctx, pkt);
438 if( ret < 0 || hw_pix_fmt == AV_PIX_FMT_NONE ) {
439 ff_err(ret, "HW device init failed, using SW decode.\nfile:%s\n",
440 ffmpeg->fmt_ctx->url);
441 avcodec_close(avctx);
442 avcodec_free_context(&avctx);
443 av_buffer_unref(&hw_device_ctx);
445 hw_type = AV_HWDEVICE_TYPE_NONE;
446 int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
448 av_seek_frame(fmt_ctx, idx, INT64_MIN, flags);
449 need_packet = 1; flushed = 0;
450 seeked = 1; st_eof(0);
460 eprintf(_("open decoder failed\n"));
463 eprintf(_("can't open input file: %s\n"), ffmpeg->fmt_ctx->url);
464 av_dict_free(&copts);
470 int FFStream::read_packet()
472 av_packet_unref(ipkt);
473 int ret = av_read_frame(fmt_ctx, ipkt);
476 if( ret == AVERROR_EOF ) return 0;
477 ff_err(ret, "FFStream::read_packet: av_read_frame failed\n");
484 int FFStream::decode(AVFrame *frame)
487 int retries = MAX_RETRY;
489 while( ret >= 0 && !flushed && --retries >= 0 ) {
491 if( (ret=read_packet()) < 0 ) break;
492 AVPacket *pkt = ret > 0 ? (AVPacket*)ipkt : 0;
494 if( pkt->stream_index != st->index ) continue;
495 if( !pkt->data || !pkt->size ) continue;
497 if( (ret=avcodec_send_packet(avctx, pkt)) < 0 ) {
498 ff_err(ret, "FFStream::decode: avcodec_send_packet failed.\nfile:%s\n",
499 ffmpeg->fmt_ctx->url);
505 if( (ret=decode_frame(frame)) > 0 ) break;
513 fprintf(stderr, "FFStream::decode: Retry limit\n");
517 fprintf(stderr, "FFStream::decode: failed\n");
521 int FFStream::load_filter(AVFrame *frame)
523 int ret = av_buffersrc_add_frame_flags(buffersrc_ctx, frame, 0);
525 eprintf(_("av_buffersrc_add_frame_flags failed\n"));
529 int FFStream::read_filter(AVFrame *frame)
531 int ret = av_buffersink_get_frame(buffersink_ctx, frame);
533 if( ret == AVERROR(EAGAIN) ) return 0;
534 if( ret == AVERROR_EOF ) { st_eof(1); return -1; }
535 ff_err(ret, "FFStream::read_filter: av_buffersink_get_frame failed\n");
541 int FFStream::read_frame(AVFrame *frame)
543 av_frame_unref(frame);
544 if( !filter_graph || !buffersrc_ctx || !buffersink_ctx )
545 return decode(frame);
546 if( !fframe && !(fframe=av_frame_alloc()) ) {
547 fprintf(stderr, "FFStream::read_frame: av_frame_alloc failed\n");
551 while( !flushed && !(ret=read_filter(frame)) ) {
552 if( (ret=decode(fframe)) < 0 ) break;
553 if( ret > 0 && (ret=load_filter(fframe)) < 0 ) break;
558 int FFStream::write_packet(FFPacket &pkt)
562 av_packet_rescale_ts(pkt, avctx->time_base, st->time_base);
563 pkt->stream_index = st->index;
564 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, pkt);
567 ret = av_bsf_send_packet(bsfc, pkt);
570 if( (ret=av_bsf_receive_packet(bsfc, bs)) < 0 ) {
571 if( ret == AVERROR(EAGAIN) ) return 0;
572 if( ret == AVERROR_EOF ) return -1;
575 av_packet_rescale_ts(bs, avctx->time_base, st->time_base);
576 bs->stream_index = st->index;
577 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, bs);
581 ff_err(ret, "FFStream::write_packet: write packet failed.\nfile:%s\n",
582 ffmpeg->fmt_ctx->url);
586 int FFStream::encode_frame(AVFrame *frame)
588 int pkts = 0, ret = 0;
589 for( int retry=MAX_RETRY; --retry>=0; ) {
591 ret = avcodec_send_frame(avctx, frame);
592 if( !ret && frame ) return pkts;
593 if( ret < 0 && ret != AVERROR(EAGAIN) ) break;
595 ret = avcodec_receive_packet(avctx, opkt);
596 if( !frame && ret == AVERROR_EOF ) return pkts;
598 ret = write_packet(opkt);
601 if( frame && stats_fp ) {
602 ret = write_stats_file();
606 ff_err(ret, "FFStream::encode_frame: encode failed.\nfile: %s\n",
607 ffmpeg->fmt_ctx->url);
611 int FFStream::flush()
615 int ret = encode_frame(0);
616 if( ret >= 0 && stats_fp ) {
617 ret = write_stats_file();
621 ff_err(ret, "FFStream::flush failed\n:file:%s\n",
622 ffmpeg->fmt_ctx->url);
623 return ret >= 0 ? 0 : 1;
627 int FFStream::open_stats_file()
629 stats_fp = fopen(stats_filename,"w");
630 return stats_fp ? 0 : AVERROR(errno);
633 int FFStream::close_stats_file()
636 fclose(stats_fp); stats_fp = 0;
641 int FFStream::read_stats_file()
643 int64_t len = 0; struct stat stats_st;
644 int fd = open(stats_filename, O_RDONLY);
645 int ret = fd >= 0 ? 0: ENOENT;
646 if( !ret && fstat(fd, &stats_st) )
649 len = stats_st.st_size;
650 stats_in = (char *)av_malloc(len+1);
654 if( !ret && read(fd, stats_in, len+1) != len )
658 avctx->stats_in = stats_in;
662 return !ret ? 0 : AVERROR(ret);
665 int FFStream::write_stats_file()
668 if( avctx->stats_out && (ret=strlen(avctx->stats_out)) > 0 ) {
669 int len = fwrite(avctx->stats_out, 1, ret, stats_fp);
671 ff_err(ret = AVERROR(errno), "FFStream::write_stats_file.\n%file:%s\n",
672 ffmpeg->fmt_ctx->url);
677 int FFStream::init_stats_file()
680 if( (pass & 2) && (ret = read_stats_file()) < 0 )
681 ff_err(ret, "stat file read: %s", stats_filename);
682 if( (pass & 1) && (ret=open_stats_file()) < 0 )
683 ff_err(ret, "stat file open: %s", stats_filename);
684 return ret >= 0 ? 0 : ret;
687 int FFStream::seek(int64_t no, double rate)
689 // default ffmpeg native seek
691 int64_t pos = no, pkt_pos = -1;
692 IndexMarks *index_markers = get_markers();
693 if( index_markers && index_markers->size() > 1 ) {
694 IndexMarks &marks = *index_markers;
695 int i = marks.find(pos);
696 int64_t n = i < 0 ? (i=0) : marks[i].no;
697 // if indexed seek point not too far away (<30 secs), use index
698 if( no-n < 30*rate ) {
701 if( i < marks.size() ) pkt_pos = marks[i].pos;
705 if( pos == curr_pos ) return 0;
706 double secs = pos < 0 ? 0. : pos / rate;
707 AVRational time_base = st->time_base;
708 int64_t tstmp = time_base.num > 0 ? secs * time_base.den/time_base.num : 0;
710 if( st->nb_index_entries > 0 ) tstmp = st->index_entries[0].timestamp;
711 else if( st->start_time != AV_NOPTS_VALUE ) tstmp = st->start_time;
712 else if( st->first_dts != AV_NOPTS_VALUE ) tstmp = st->first_dts;
713 else tstmp = INT64_MIN+1;
715 else if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
718 // seek all streams using the default timebase.
719 // this is how ffmpeg and ffplay work. stream seeks are less tested.
720 tstmp = av_rescale_q(tstmp, time_base, AV_TIME_BASE_Q);
724 avcodec_flush_buffers(avctx);
725 avformat_flush(fmt_ctx);
727 int64_t seek = tstmp;
728 int flags = AVSEEK_FLAG_ANY;
729 if( !(fmt_ctx->iformat->flags & AVFMT_NO_BYTE_SEEK) && pkt_pos >= 0 ) {
731 flags = AVSEEK_FLAG_BYTE;
733 int ret = avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, seek, INT64_MAX, flags);
735 // finds the first index frame below the target time
736 int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
737 int ret = av_seek_frame(fmt_ctx, idx, tstmp, flags);
739 int retry = MAX_RETRY;
741 need_packet = 0; flushed = 0;
742 seeked = 1; st_eof(0);
743 // read up to retry packets, limited to npkts in stream, and not pkt.pos past pkt_pos
744 while( --retry >= 0 ) {
745 if( read_packet() <= 0 ) { ret = -1; break; }
746 if( ipkt->stream_index != st->index ) continue;
747 if( !ipkt->data || !ipkt->size ) continue;
748 if( pkt_pos >= 0 && ipkt->pos >= pkt_pos ) break;
749 if( --npkts <= 0 ) break;
750 int64_t pkt_ts = ipkt->dts != AV_NOPTS_VALUE ? ipkt->dts : ipkt->pts;
751 if( pkt_ts == AV_NOPTS_VALUE ) continue;
752 if( pkt_ts >= tstmp ) break;
755 fprintf(stderr,"FFStream::seek: retry limit, pos=%jd tstmp=%jd\n",pos,tstmp);
759 ret = avcodec_send_packet(avctx, ipkt);
761 //some codecs need more than one pkt to resync
762 if( ret == AVERROR_INVALIDDATA ) ret = 0;
764 ff_err(ret, "FFStream::avcodec_send_packet failed.\nseek:%s\n",
765 ffmpeg->fmt_ctx->url);
770 printf("** seek fail %jd, %jd\n", pos, tstmp);
771 seeked = need_packet = 0;
775 //printf("seeked pos = %ld, %ld\n", pos, tstmp);
776 seek_pos = curr_pos = pos;
780 FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
781 : FFStream(ffmpeg, strm, fidx)
784 channel0 = channels = 0;
787 frame_sz = AUDIO_MIN_FRAME_SZ;
789 resample_context = 0;
790 swr_ichs = swr_ifmt = swr_irate = 0;
799 bfr = new float[bsz];
804 FFAudioStream::~FFAudioStream()
806 if( resample_context ) swr_free(&resample_context);
811 void FFAudioStream::init_swr(int ichs, int ifmt, int irate)
813 if( resample_context ) {
814 if( swr_ichs == ichs && swr_ifmt == ifmt && swr_irate == irate )
816 swr_free(&resample_context);
818 swr_ichs = ichs; swr_ifmt = ifmt; swr_irate = irate;
819 if( ichs == channels && ifmt == AV_SAMPLE_FMT_FLT && irate == sample_rate )
821 uint64_t ilayout = av_get_default_channel_layout(ichs);
822 if( !ilayout ) ilayout = ((uint64_t)1<<ichs) - 1;
823 uint64_t olayout = av_get_default_channel_layout(channels);
824 if( !olayout ) olayout = ((uint64_t)1<<channels) - 1;
825 resample_context = swr_alloc_set_opts(NULL,
826 olayout, AV_SAMPLE_FMT_FLT, sample_rate,
827 ilayout, (AVSampleFormat)ifmt, irate,
829 if( resample_context )
830 swr_init(resample_context);
833 int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
835 samples = *(float **)data;
836 if( resample_context ) {
837 if( len > aud_bfr_sz ) {
843 aud_bfr = new float[aud_bfr_sz*channels];
845 int ret = swr_convert(resample_context,
846 (uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
848 ff_err(ret, "FFAudioStream::get_samples: swr_convert failed\n");
857 int FFAudioStream::load_history(uint8_t **data, int len)
860 len = get_samples(samples, data, len);
862 // biggest user bfr since seek + frame
863 realloc(mbsz + len + 1, channels);
869 int FFAudioStream::decode_frame(AVFrame *frame)
871 int first_frame = seeked; seeked = 0;
872 frame->best_effort_timestamp = AV_NOPTS_VALUE;
873 int ret = avcodec_receive_frame(avctx, frame);
875 if( first_frame ) return 0;
876 if( ret == AVERROR(EAGAIN) ) return 0;
877 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
878 ff_err(ret, "FFAudioStream::decode_frame: Could not read audio frame.\nfile:%s\n",
879 ffmpeg->fmt_ctx->url);
882 int64_t pkt_ts = frame->best_effort_timestamp;
883 if( pkt_ts != AV_NOPTS_VALUE ) {
884 double ts = ffmpeg->to_secs(pkt_ts - nudge, st->time_base);
885 double t = (double)curr_pos / sample_rate;
886 // some time_base clocks are very grainy, too grainy for audio (clicks, pops)
887 if( fabs(ts - t) > AUDIO_PTS_TOLERANCE )
888 curr_pos = ts * sample_rate + 0.5;
893 int FFAudioStream::encode_activate()
895 if( writing >= 0 ) return writing;
896 if( !avctx->codec ) return writing = 0;
897 frame_sz = avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE ?
898 10000 : avctx->frame_size;
899 return FFStream::encode_activate();
902 int64_t FFAudioStream::load_buffer(double ** const sp, int len)
904 reserve(len+1, st->codecpar->channels);
905 for( int ch=0; ch<nch; ++ch )
906 write(sp[ch], len, ch);
910 int FFAudioStream::in_history(int64_t pos)
912 if( pos > curr_pos ) return 0;
914 if( len > sz ) len = sz;
915 if( pos < curr_pos - len ) return 0;
920 int FFAudioStream::init_frame(AVFrame *frame)
922 frame->nb_samples = frame_sz;
923 frame->format = avctx->sample_fmt;
924 frame->channel_layout = avctx->channel_layout;
925 frame->sample_rate = avctx->sample_rate;
926 int ret = av_frame_get_buffer(frame, 0);
928 ff_err(ret, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
932 int FFAudioStream::load(int64_t pos, int len)
934 if( audio_seek(pos) < 0 ) return -1;
935 if( !frame && !(frame=av_frame_alloc()) ) {
936 fprintf(stderr, "FFAudioStream::load: av_frame_alloc failed\n");
939 if( mbsz < len ) mbsz = len;
940 int64_t end_pos = pos + len;
941 int ret = 0, i = len / frame_sz + MAX_RETRY;
942 while( ret>=0 && !flushed && curr_pos<end_pos && --i>=0 ) {
943 ret = read_frame(frame);
944 if( ret > 0 && frame->nb_samples > 0 ) {
945 init_swr(frame->channels, frame->format, frame->sample_rate);
946 load_history(&frame->extended_data[0], frame->nb_samples);
947 curr_pos += frame->nb_samples;
950 if( end_pos > curr_pos ) {
951 zero(end_pos - curr_pos);
954 len = curr_pos - pos;
959 int FFAudioStream::audio_seek(int64_t pos)
961 if( decode_activate() <= 0 ) return -1;
962 if( !st->codecpar ) return -1;
963 if( in_history(pos) ) return 0;
964 if( pos == curr_pos ) return 0;
965 reset_history(); mbsz = 0;
966 // guarentee preload > 1sec samples
967 if( (pos-=sample_rate) < 0 ) pos = 0;
968 if( seek(pos, sample_rate) < 0 ) return -1;
972 int FFAudioStream::encode(double **samples, int len)
974 if( encode_activate() <= 0 ) return -1;
977 int64_t count = samples ? load_buffer(samples, len) : used();
978 int frame_sz1 = samples ? frame_sz-1 : 0;
981 while( ret >= 0 && count > frame_sz1 ) {
982 frm = new FFrame(this);
983 if( (ret=frm->initted()) < 0 ) break;
984 AVFrame *frame = *frm;
985 len = count >= frame_sz ? frame_sz : count;
986 float *bfrp = get_outp(len);
987 ret = swr_convert(resample_context,
988 (uint8_t **)frame->extended_data, len,
989 (const uint8_t **)&bfrp, len);
991 ff_err(ret, "FFAudioStream::encode: swr_convert failed\n");
994 frame->nb_samples = len;
995 frm->queue(curr_pos);
1002 return ret >= 0 ? 0 : 1;
1005 int FFAudioStream::drain()
1010 int FFAudioStream::encode_frame(AVFrame *frame)
1012 return FFStream::encode_frame(frame);
1015 int FFAudioStream::write_packet(FFPacket &pkt)
1017 return FFStream::write_packet(pkt);
1020 void FFAudioStream::load_markers()
1022 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1023 if( !index_state || idx >= index_state->audio_markers.size() ) return;
1024 if( index_state->marker_status == MARKERS_NOTTESTED ) return;
1025 FFStream::load_markers(*index_state->audio_markers[idx], sample_rate);
1028 IndexMarks *FFAudioStream::get_markers()
1030 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1031 if( !index_state || idx >= index_state->audio_markers.size() ) return 0;
1032 return index_state->audio_markers[idx];
1035 FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
1036 : FFStream(ffmpeg, strm, fidx),
1037 FFVideoConvert(ffmpeg->ff_prefs())
1045 top_field_first = 0;
1048 FFVideoStream::~FFVideoStream()
1052 AVHWDeviceType FFVideoStream::decode_hw_activate()
1054 AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
1055 const char *hw_dev = ffmpeg->opt_hw_dev;
1056 if( !hw_dev ) hw_dev = getenv("CIN_HW_DEV");
1057 if( !hw_dev ) hw_dev = ffmpeg->ff_hw_dev();
1058 if( hw_dev && *hw_dev &&
1059 strcmp("none", hw_dev) && strcmp(_("none"), hw_dev) ) {
1060 type = av_hwdevice_find_type_by_name(hw_dev);
1061 if( type == AV_HWDEVICE_TYPE_NONE ) {
1062 fprintf(stderr, "Device type %s is not supported.\n", hw_dev);
1063 fprintf(stderr, "Available device types:");
1064 while( (type = av_hwdevice_iterate_types(type)) != AV_HWDEVICE_TYPE_NONE )
1065 fprintf(stderr, " %s", av_hwdevice_get_type_name(type));
1066 fprintf(stderr, "\n");
1072 int FFVideoStream::decode_hw_format(AVCodec *decoder, AVHWDeviceType type)
1075 hw_pix_fmt = AV_PIX_FMT_NONE;
1076 for( int i=0; ; ++i ) {
1077 const AVCodecHWConfig *config = avcodec_get_hw_config(decoder, i);
1079 fprintf(stderr, "Decoder %s does not support device type %s.\n",
1080 decoder->name, av_hwdevice_get_type_name(type));
1083 if( (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX) != 0 &&
1084 config->device_type == type ) {
1085 hw_pix_fmt = config->pix_fmt;
1089 if( hw_pix_fmt >= 0 ) {
1090 hw_pixfmt = hw_pix_fmt;
1091 avctx->get_format = get_hw_format;
1092 ret = av_hwdevice_ctx_create(&hw_device_ctx, type, 0, 0, 0);
1094 avctx->hw_device_ctx = av_buffer_ref(hw_device_ctx);
1098 ff_err(ret, "Failed HW device create.\ndev:%s\n",
1099 av_hwdevice_get_type_name(type));
1104 AVHWDeviceType FFVideoStream::encode_hw_activate(const char *hw_dev)
1106 AVBufferRef *hw_device_ctx = 0;
1107 AVBufferRef *hw_frames_ref = 0;
1108 AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
1109 if( strcmp(_("none"), hw_dev) ) {
1110 type = av_hwdevice_find_type_by_name(hw_dev);
1111 if( type != AV_HWDEVICE_TYPE_VAAPI ) {
1112 fprintf(stderr, "currently, only vaapi hw encode is supported\n");
1113 type = AV_HWDEVICE_TYPE_NONE;
1116 if( type != AV_HWDEVICE_TYPE_NONE ) {
1117 int ret = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_VAAPI, 0, 0, 0);
1119 ff_err(ret, "Failed to create a HW device.\n");
1120 type = AV_HWDEVICE_TYPE_NONE;
1123 if( type != AV_HWDEVICE_TYPE_NONE ) {
1124 hw_frames_ref = av_hwframe_ctx_alloc(hw_device_ctx);
1125 if( !hw_frames_ref ) {
1126 fprintf(stderr, "Failed to create HW frame context.\n");
1127 type = AV_HWDEVICE_TYPE_NONE;
1130 if( type != AV_HWDEVICE_TYPE_NONE ) {
1131 AVHWFramesContext *frames_ctx = (AVHWFramesContext *)(hw_frames_ref->data);
1132 frames_ctx->format = AV_PIX_FMT_VAAPI;
1133 frames_ctx->sw_format = AV_PIX_FMT_NV12;
1134 frames_ctx->width = width;
1135 frames_ctx->height = height;
1136 frames_ctx->initial_pool_size = 0; // 200;
1137 int ret = av_hwframe_ctx_init(hw_frames_ref);
1139 avctx->hw_frames_ctx = av_buffer_ref(hw_frames_ref);
1140 if( !avctx->hw_frames_ctx ) ret = AVERROR(ENOMEM);
1143 ff_err(ret, "Failed to initialize HW frame context.\n");
1144 type = AV_HWDEVICE_TYPE_NONE;
1146 av_buffer_unref(&hw_frames_ref);
1151 int FFVideoStream::encode_hw_write(FFrame *picture)
1154 AVFrame *hw_frm = 0;
1155 switch( avctx->pix_fmt ) {
1156 case AV_PIX_FMT_VAAPI:
1157 hw_frm = av_frame_alloc();
1158 if( !hw_frm ) { ret = AVERROR(ENOMEM); break; }
1159 ret = av_hwframe_get_buffer(avctx->hw_frames_ctx, hw_frm, 0);
1160 if( ret < 0 ) break;
1161 ret = av_hwframe_transfer_data(hw_frm, *picture, 0);
1162 if( ret < 0 ) break;
1163 picture->set_hw_frame(hw_frm);
1168 av_frame_free(&hw_frm);
1169 ff_err(ret, "Error while transferring frame data to GPU.\n");
1173 int FFVideoStream::decode_frame(AVFrame *frame)
1175 int first_frame = seeked; seeked = 0;
1176 int ret = avcodec_receive_frame(avctx, frame);
1178 if( first_frame ) return 0;
1179 if( ret == AVERROR(EAGAIN) ) return 0;
1180 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
1181 ff_err(ret, "FFVideoStream::decode_frame: Could not read video frame.\nfile:%s\n,",
1182 ffmpeg->fmt_ctx->url);
1185 int64_t pkt_ts = frame->best_effort_timestamp;
1186 if( pkt_ts != AV_NOPTS_VALUE )
1187 curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * frame_rate + 0.5;
1191 int FFVideoStream::load(VFrame *vframe, int64_t pos)
1193 int ret = video_seek(pos);
1194 if( ret < 0 ) return -1;
1195 if( !frame && !(frame=av_frame_alloc()) ) {
1196 fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
1199 int i = MAX_RETRY + pos - curr_pos;
1200 while( ret>=0 && !flushed && curr_pos<=pos && --i>=0 ) {
1201 ret = read_frame(frame);
1202 if( ret > 0 ) ++curr_pos;
1204 if( frame->format == AV_PIX_FMT_NONE || frame->width <= 0 || frame->height <= 0 )
1207 ret = convert_cmodel(vframe, frame);
1209 ret = ret > 0 ? 1 : ret < 0 ? -1 : 0;
1213 int FFVideoStream::video_seek(int64_t pos)
1215 if( decode_activate() <= 0 ) return -1;
1216 if( !st->codecpar ) return -1;
1217 if( pos == curr_pos-1 && !seeked ) return 0;
1218 // if close enough, just read up to current
1219 int gop = avctx->gop_size;
1220 if( gop < 4 ) gop = 4;
1221 if( gop > 64 ) gop = 64;
1222 int read_limit = curr_pos + 3*gop;
1223 if( pos >= curr_pos && pos <= read_limit ) return 0;
1224 // guarentee preload more than 2*gop frames
1225 if( seek(pos - 3*gop, frame_rate) < 0 ) return -1;
1229 int FFVideoStream::init_frame(AVFrame *picture)
1231 switch( avctx->pix_fmt ) {
1232 case AV_PIX_FMT_VAAPI:
1233 picture->format = AV_PIX_FMT_NV12;
1236 picture->format = avctx->pix_fmt;
1239 picture->width = avctx->width;
1240 picture->height = avctx->height;
1241 int ret = av_frame_get_buffer(picture, 32);
1245 int FFVideoStream::encode(VFrame *vframe)
1247 if( encode_activate() <= 0 ) return -1;
1249 FFrame *picture = new FFrame(this);
1250 int ret = picture->initted();
1252 AVFrame *frame = *picture;
1253 frame->pts = curr_pos;
1254 ret = convert_pixfmt(vframe, frame);
1256 if( ret >= 0 && avctx->hw_frames_ctx )
1257 encode_hw_write(picture);
1259 picture->queue(curr_pos);
1263 fprintf(stderr, "FFVideoStream::encode: encode failed\n");
1266 return ret >= 0 ? 0 : 1;
1269 int FFVideoStream::drain()
1274 int FFVideoStream::encode_frame(AVFrame *frame)
1277 frame->interlaced_frame = interlaced;
1278 frame->top_field_first = top_field_first;
1280 if( frame && frame->format == AV_PIX_FMT_VAAPI ) { // ugly
1281 int ret = avcodec_send_frame(avctx, frame);
1282 for( int retry=MAX_RETRY; !ret && --retry>=0; ) {
1283 FFPacket pkt; av_init_packet(pkt);
1284 pkt->data = NULL; pkt->size = 0;
1285 if( (ret=avcodec_receive_packet(avctx, pkt)) < 0 ) {
1286 if( ret == AVERROR(EAGAIN) ) ret = 0; // weird
1289 ret = write_packet(pkt);
1290 pkt->stream_index = 0;
1291 av_packet_unref(pkt);
1294 ff_err(ret, "FFStream::encode_frame: vaapi encode failed.\nfile: %s\n",
1295 ffmpeg->fmt_ctx->url);
1300 return FFStream::encode_frame(frame);
1303 int FFVideoStream::write_packet(FFPacket &pkt)
1305 if( !(ffmpeg->fmt_ctx->oformat->flags & AVFMT_VARIABLE_FPS) )
1307 return FFStream::write_packet(pkt);
1310 AVPixelFormat FFVideoConvert::color_model_to_pix_fmt(int color_model)
1312 switch( color_model ) {
1313 case BC_YUV422: return AV_PIX_FMT_YUYV422;
1314 case BC_RGB888: return AV_PIX_FMT_RGB24;
1315 case BC_RGBA8888: return AV_PIX_FMT_RGBA;
1316 case BC_BGR8888: return AV_PIX_FMT_BGR0;
1317 case BC_BGR888: return AV_PIX_FMT_BGR24;
1318 case BC_ARGB8888: return AV_PIX_FMT_ARGB;
1319 case BC_ABGR8888: return AV_PIX_FMT_ABGR;
1320 case BC_RGB8: return AV_PIX_FMT_RGB8;
1321 case BC_YUV420P: return AV_PIX_FMT_YUV420P;
1322 case BC_YUV422P: return AV_PIX_FMT_YUV422P;
1323 case BC_YUV444P: return AV_PIX_FMT_YUV444P;
1324 case BC_YUV411P: return AV_PIX_FMT_YUV411P;
1325 case BC_RGB565: return AV_PIX_FMT_RGB565;
1326 case BC_RGB161616: return AV_PIX_FMT_RGB48LE;
1327 case BC_RGBA16161616: return AV_PIX_FMT_RGBA64LE;
1328 case BC_AYUV16161616: return AV_PIX_FMT_AYUV64LE;
1329 case BC_GBRP: return AV_PIX_FMT_GBRP;
1333 return AV_PIX_FMT_NB;
1336 int FFVideoConvert::pix_fmt_to_color_model(AVPixelFormat pix_fmt)
1339 case AV_PIX_FMT_YUYV422: return BC_YUV422;
1340 case AV_PIX_FMT_RGB24: return BC_RGB888;
1341 case AV_PIX_FMT_RGBA: return BC_RGBA8888;
1342 case AV_PIX_FMT_BGR0: return BC_BGR8888;
1343 case AV_PIX_FMT_BGR24: return BC_BGR888;
1344 case AV_PIX_FMT_ARGB: return BC_ARGB8888;
1345 case AV_PIX_FMT_ABGR: return BC_ABGR8888;
1346 case AV_PIX_FMT_RGB8: return BC_RGB8;
1347 case AV_PIX_FMT_YUV420P: return BC_YUV420P;
1348 case AV_PIX_FMT_YUV422P: return BC_YUV422P;
1349 case AV_PIX_FMT_YUV444P: return BC_YUV444P;
1350 case AV_PIX_FMT_YUV411P: return BC_YUV411P;
1351 case AV_PIX_FMT_RGB565: return BC_RGB565;
1352 case AV_PIX_FMT_RGB48LE: return BC_RGB161616;
1353 case AV_PIX_FMT_RGBA64LE: return BC_RGBA16161616;
1354 case AV_PIX_FMT_AYUV64LE: return BC_AYUV16161616;
1355 case AV_PIX_FMT_GBRP: return BC_GBRP;
1362 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip)
1364 AVFrame *ipic = av_frame_alloc();
1365 int ret = convert_picture_vframe(frame, ip, ipic);
1366 av_frame_free(&ipic);
1370 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip, AVFrame *ipic)
1371 { // picture = vframe
1372 int cmodel = frame->get_color_model();
1373 AVPixelFormat ofmt = color_model_to_pix_fmt(cmodel);
1374 if( ofmt == AV_PIX_FMT_NB ) return -1;
1375 int size = av_image_fill_arrays(ipic->data, ipic->linesize,
1376 frame->get_data(), ofmt, frame->get_w(), frame->get_h(), 1);
1377 if( size < 0 ) return -1;
1379 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1380 int ysz = bpp * frame->get_w(), usz = ysz;
1390 // override av_image_fill_arrays() for planar types
1391 ipic->data[0] = frame->get_y(); ipic->linesize[0] = ysz;
1392 ipic->data[1] = frame->get_u(); ipic->linesize[1] = usz;
1393 ipic->data[2] = frame->get_v(); ipic->linesize[2] = usz;
1396 ipic->data[0] = frame->get_data();
1397 ipic->linesize[0] = frame->get_bytes_per_line();
1401 AVPixelFormat pix_fmt = (AVPixelFormat)ip->format;
1402 FFVideoStream *vid =(FFVideoStream *)this;
1403 if( pix_fmt == vid->hw_pixfmt ) {
1405 if( !sw_frame && !(sw_frame=av_frame_alloc()) )
1406 ret = AVERROR(ENOMEM);
1408 ret = av_hwframe_transfer_data(sw_frame, ip, 0);
1410 pix_fmt = (AVPixelFormat)ip->format;
1413 eprintf(_("Error retrieving data from GPU to CPU\nfile: %s\n"),
1414 vid->ffmpeg->fmt_ctx->url);
1418 convert_ctx = sws_getCachedContext(convert_ctx, ip->width, ip->height, pix_fmt,
1419 frame->get_w(), frame->get_h(), ofmt, SWS_POINT, NULL, NULL, NULL);
1420 if( !convert_ctx ) {
1421 fprintf(stderr, "FFVideoConvert::convert_picture_frame:"
1422 " sws_getCachedContext() failed\n");
1426 int jpeg_range = preferences->yuv_color_range == BC_COLORS_JPEG ? 1 : 0;
1427 int *inv_table, *table, src_range, dst_range;
1428 int brightness, contrast, saturation;
1429 if( !sws_getColorspaceDetails(convert_ctx,
1430 &inv_table, &src_range, &table, &dst_range,
1431 &brightness, &contrast, &saturation) ) {
1432 if( src_range != jpeg_range || dst_range != jpeg_range )
1433 sws_setColorspaceDetails(convert_ctx,
1434 inv_table, jpeg_range, table, jpeg_range,
1435 brightness, contrast, saturation);
1438 int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ip->height,
1439 ipic->data, ipic->linesize);
1441 ff_err(ret, "FFVideoConvert::convert_picture_frame: sws_scale() failed\nfile: %s\n",
1442 vid->ffmpeg->fmt_ctx->url);
1448 int FFVideoConvert::convert_cmodel(VFrame *frame, AVFrame *ip)
1450 // try direct transfer
1451 if( !convert_picture_vframe(frame, ip) ) return 1;
1452 // use indirect transfer
1453 AVPixelFormat ifmt = (AVPixelFormat)ip->format;
1454 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(ifmt);
1456 for( int i = 0; i <desc->nb_components; ++i ) {
1457 int bits = desc->comp[i].depth;
1458 if( bits > max_bits ) max_bits = bits;
1460 int imodel = pix_fmt_to_color_model(ifmt);
1461 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1462 int cmodel = frame->get_color_model();
1463 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1464 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1465 imodel = cmodel_is_yuv ?
1466 (BC_CModels::has_alpha(cmodel) ?
1468 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1469 (BC_CModels::has_alpha(cmodel) ?
1470 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1471 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1473 VFrame vframe(ip->width, ip->height, imodel);
1474 if( convert_picture_vframe(&vframe, ip) ) return -1;
1475 frame->transfer_from(&vframe);
1479 int FFVideoConvert::transfer_cmodel(VFrame *frame, AVFrame *ifp)
1481 int ret = convert_cmodel(frame, ifp);
1483 const AVDictionary *src = ifp->metadata;
1484 AVDictionaryEntry *t = NULL;
1485 BC_Hash *hp = frame->get_params();
1487 while( (t=av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX)) )
1488 hp->update(t->key, t->value);
1493 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op)
1495 AVFrame *opic = av_frame_alloc();
1496 int ret = convert_vframe_picture(frame, op, opic);
1497 av_frame_free(&opic);
1501 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op, AVFrame *opic)
1502 { // vframe = picture
1503 int cmodel = frame->get_color_model();
1504 AVPixelFormat ifmt = color_model_to_pix_fmt(cmodel);
1505 if( ifmt == AV_PIX_FMT_NB ) return -1;
1506 int size = av_image_fill_arrays(opic->data, opic->linesize,
1507 frame->get_data(), ifmt, frame->get_w(), frame->get_h(), 1);
1508 if( size < 0 ) return -1;
1510 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1511 int ysz = bpp * frame->get_w(), usz = ysz;
1521 // override av_image_fill_arrays() for planar types
1522 opic->data[0] = frame->get_y(); opic->linesize[0] = ysz;
1523 opic->data[1] = frame->get_u(); opic->linesize[1] = usz;
1524 opic->data[2] = frame->get_v(); opic->linesize[2] = usz;
1527 opic->data[0] = frame->get_data();
1528 opic->linesize[0] = frame->get_bytes_per_line();
1532 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1533 convert_ctx = sws_getCachedContext(convert_ctx, frame->get_w(), frame->get_h(),
1534 ifmt, op->width, op->height, ofmt, SWS_POINT, NULL, NULL, NULL);
1535 if( !convert_ctx ) {
1536 fprintf(stderr, "FFVideoConvert::convert_frame_picture:"
1537 " sws_getCachedContext() failed\n");
1541 int jpeg_range = preferences->yuv_color_range == BC_COLORS_JPEG ? 1 : 0;
1542 int *inv_table, *table, src_range, dst_range;
1543 int brightness, contrast, saturation;
1544 if( !sws_getColorspaceDetails(convert_ctx,
1545 &inv_table, &src_range, &table, &dst_range,
1546 &brightness, &contrast, &saturation) ) {
1547 if( dst_range != jpeg_range )
1548 sws_setColorspaceDetails(convert_ctx,
1549 inv_table, src_range, table, jpeg_range,
1550 brightness, contrast, saturation);
1553 int ret = sws_scale(convert_ctx, opic->data, opic->linesize, 0, frame->get_h(),
1554 op->data, op->linesize);
1556 ff_err(ret, "FFVideoConvert::convert_frame_picture: sws_scale() failed\n");
1562 int FFVideoConvert::convert_pixfmt(VFrame *frame, AVFrame *op)
1564 // try direct transfer
1565 if( !convert_vframe_picture(frame, op) ) return 1;
1566 // use indirect transfer
1567 int cmodel = frame->get_color_model();
1568 int max_bits = BC_CModels::calculate_pixelsize(cmodel) * 8;
1569 max_bits /= BC_CModels::components(cmodel);
1570 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1571 int imodel = pix_fmt_to_color_model(ofmt);
1572 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1573 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1574 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1575 imodel = cmodel_is_yuv ?
1576 (BC_CModels::has_alpha(cmodel) ?
1578 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1579 (BC_CModels::has_alpha(cmodel) ?
1580 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1581 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1583 VFrame vframe(frame->get_w(), frame->get_h(), imodel);
1584 vframe.transfer_from(frame);
1585 if( !convert_vframe_picture(&vframe, op) ) return 1;
1589 int FFVideoConvert::transfer_pixfmt(VFrame *frame, AVFrame *ofp)
1591 int ret = convert_pixfmt(frame, ofp);
1593 BC_Hash *hp = frame->get_params();
1594 AVDictionary **dict = &ofp->metadata;
1595 //av_dict_free(dict);
1596 for( int i=0; i<hp->size(); ++i ) {
1597 char *key = hp->get_key(i), *val = hp->get_value(i);
1598 av_dict_set(dict, key, val, 0);
1604 void FFVideoStream::load_markers()
1606 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1607 if( !index_state || idx >= index_state->video_markers.size() ) return;
1608 FFStream::load_markers(*index_state->video_markers[idx], frame_rate);
1611 IndexMarks *FFVideoStream::get_markers()
1613 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1614 if( !index_state || idx >= index_state->video_markers.size() ) return 0;
1615 return !index_state ? 0 : index_state->video_markers[idx];
1619 FFMPEG::FFMPEG(FileBase *file_base)
1622 this->file_base = file_base;
1623 memset(file_format,0,sizeof(file_format));
1624 mux_lock = new Condition(0,"FFMPEG::mux_lock",0);
1625 flow_lock = new Condition(1,"FFStream::flow_lock",0);
1628 decoding = encoding = 0;
1629 has_audio = has_video = 0;
1632 opt_video_filter = 0;
1633 opt_audio_filter = 0;
1635 opt_video_decoder = 0;
1636 opt_audio_decoder = 0;
1638 char option_path[BCTEXTLEN];
1639 set_option_path(option_path, "%s", "ffmpeg.opts");
1640 read_options(option_path, opts);
1645 ff_lock("FFMPEG::~FFMPEG()");
1647 ffaudio.remove_all_objects();
1648 ffvideo.remove_all_objects();
1649 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
1653 av_dict_free(&opts);
1654 delete [] opt_video_filter;
1655 delete [] opt_audio_filter;
1656 delete [] opt_hw_dev;
1659 int FFMPEG::check_sample_rate(AVCodec *codec, int sample_rate)
1661 const int *p = codec->supported_samplerates;
1662 if( !p ) return sample_rate;
1664 if( *p == sample_rate ) return *p;
1670 static inline AVRational std_frame_rate(int i)
1672 static const int m1 = 1001*12, m2 = 1000*12;
1673 static const int freqs[] = {
1674 40*m1, 48*m1, 50*m1, 60*m1, 80*m1,120*m1, 240*m1,
1675 24*m2, 30*m2, 60*m2, 12*m2, 15*m2, 48*m2, 0,
1677 int freq = i<30*12 ? (i+1)*1001 : freqs[i-30*12];
1678 return (AVRational) { freq, 1001*12 };
1681 AVRational FFMPEG::check_frame_rate(AVCodec *codec, double frame_rate)
1683 const AVRational *p = codec->supported_framerates;
1684 AVRational rate, best_rate = (AVRational) { 0, 0 };
1685 double max_err = 1.; int i = 0;
1686 while( ((p ? (rate=*p++) : (rate=std_frame_rate(i++))), rate.num) != 0 ) {
1687 double framerate = (double) rate.num / rate.den;
1688 double err = fabs(frame_rate/framerate - 1.);
1689 if( err >= max_err ) continue;
1693 return max_err < 0.0001 ? best_rate : (AVRational) { 0, 0 };
1696 AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset)
1699 double display_aspect = asset->width / (double)asset->height;
1700 double sample_aspect = display_aspect / asset->aspect_ratio;
1701 int width = 1000000, height = width * sample_aspect + 0.5;
1703 MWindow::create_aspect_ratio(w, h, width, height);
1704 return (AVRational){(int)w, (int)h};
1707 return (AVRational){1, 1};
1711 AVRational FFMPEG::to_time_base(int sample_rate)
1713 return (AVRational){1, sample_rate};
1716 int FFMPEG::get_fmt_score(AVSampleFormat dst_fmt, AVSampleFormat src_fmt)
1719 int dst_planar = av_sample_fmt_is_planar(dst_fmt);
1720 int src_planar = av_sample_fmt_is_planar(src_fmt);
1721 if( dst_planar != src_planar ) ++score;
1722 int dst_bytes = av_get_bytes_per_sample(dst_fmt);
1723 int src_bytes = av_get_bytes_per_sample(src_fmt);
1724 score += (src_bytes > dst_bytes ? 100 : -10) * (src_bytes - dst_bytes);
1725 int src_packed = av_get_packed_sample_fmt(src_fmt);
1726 int dst_packed = av_get_packed_sample_fmt(dst_fmt);
1727 if( dst_packed == AV_SAMPLE_FMT_S32 && src_packed == AV_SAMPLE_FMT_FLT ) score += 20;
1728 if( dst_packed == AV_SAMPLE_FMT_FLT && src_packed == AV_SAMPLE_FMT_S32 ) score += 2;
1732 AVSampleFormat FFMPEG::find_best_sample_fmt_of_list(
1733 const AVSampleFormat *sample_fmts, AVSampleFormat src_fmt)
1735 AVSampleFormat best = AV_SAMPLE_FMT_NONE;
1736 int best_score = get_fmt_score(best, src_fmt);
1737 for( int i=0; sample_fmts[i] >= 0; ++i ) {
1738 AVSampleFormat sample_fmt = sample_fmts[i];
1739 int score = get_fmt_score(sample_fmt, src_fmt);
1740 if( score >= best_score ) continue;
1741 best = sample_fmt; best_score = score;
1747 void FFMPEG::set_option_path(char *path, const char *fmt, ...)
1749 char *ep = path + BCTEXTLEN-1;
1750 strncpy(path, File::get_cindat_path(), ep-path);
1751 strncat(path, "/ffmpeg/", ep-path);
1752 path += strlen(path);
1755 path += vsnprintf(path, ep-path, fmt, ap);
1760 void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
1765 set_option_path(path, "%s/%s", type, spec);
1768 int FFMPEG::get_format(char *format, const char *path, const char *spec)
1770 char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
1771 get_option_path(option_path, path, spec);
1772 FILE *fp = fopen(option_path,"r");
1775 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1777 line[sizeof(line)-1] = 0;
1778 ret = scan_option_line(line, format, codec);
1784 int FFMPEG::get_codec(char *codec, const char *path, const char *spec)
1786 char option_path[BCTEXTLEN], line[BCTEXTLEN], format[BCTEXTLEN];
1787 get_option_path(option_path, path, spec);
1788 FILE *fp = fopen(option_path,"r");
1791 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1794 line[sizeof(line)-1] = 0;
1795 ret = scan_option_line(line, format, codec);
1798 char *vp = codec, *ep = vp+BCTEXTLEN-1;
1799 while( vp < ep && *vp && *vp != '|' ) ++vp;
1800 if( *vp == '|' ) --vp;
1801 while( vp > codec && (*vp==' ' || *vp=='\t') ) *vp-- = 0;
1806 int FFMPEG::get_file_format()
1808 char audio_muxer[BCSTRLEN], video_muxer[BCSTRLEN];
1809 char audio_format[BCSTRLEN], video_format[BCSTRLEN];
1810 audio_muxer[0] = audio_format[0] = 0;
1811 video_muxer[0] = video_format[0] = 0;
1812 Asset *asset = file_base->asset;
1813 int ret = asset ? 0 : 1;
1814 if( !ret && asset->audio_data ) {
1815 if( !(ret=get_format(audio_format, "audio", asset->acodec)) ) {
1816 if( get_format(audio_muxer, "format", audio_format) ) {
1817 strcpy(audio_muxer, audio_format);
1818 audio_format[0] = 0;
1822 if( !ret && asset->video_data ) {
1823 if( !(ret=get_format(video_format, "video", asset->vcodec)) ) {
1824 if( get_format(video_muxer, "format", video_format) ) {
1825 strcpy(video_muxer, video_format);
1826 video_format[0] = 0;
1830 if( !ret && !audio_muxer[0] && !video_muxer[0] )
1832 if( !ret && audio_muxer[0] && video_muxer[0] &&
1833 strcmp(audio_muxer, video_muxer) ) ret = -1;
1834 if( !ret && audio_format[0] && video_format[0] &&
1835 strcmp(audio_format, video_format) ) ret = -1;
1837 strcpy(file_format, !audio_format[0] && !video_format[0] ?
1838 (audio_muxer[0] ? audio_muxer : video_muxer) :
1839 (audio_format[0] ? audio_format : video_format));
1843 int FFMPEG::scan_option_line(const char *cp, char *tag, char *val)
1845 while( *cp == ' ' || *cp == '\t' ) ++cp;
1846 const char *bp = cp;
1847 while( *cp && *cp != ' ' && *cp != '\t' && *cp != '=' && *cp != '\n' ) ++cp;
1849 if( !len || len > BCSTRLEN-1 ) return 1;
1850 while( bp < cp ) *tag++ = *bp++;
1852 while( *cp == ' ' || *cp == '\t' ) ++cp;
1853 if( *cp == '=' ) ++cp;
1854 while( *cp == ' ' || *cp == '\t' ) ++cp;
1856 while( *cp && *cp != '\n' ) ++cp;
1858 if( len > BCTEXTLEN-1 ) return 1;
1859 while( bp < cp ) *val++ = *bp++;
1864 int FFMPEG::can_render(const char *fformat, const char *type)
1867 char option_path[BCTEXTLEN];
1868 FFMPEG::set_option_path(option_path, type);
1869 fs.update(option_path);
1870 int total_files = fs.total_files();
1871 for( int i=0; i<total_files; ++i ) {
1872 const char *name = fs.get_entry(i)->get_name();
1873 const char *ext = strrchr(name,'.');
1874 if( !ext ) continue;
1875 if( !strcmp(fformat, ++ext) ) return 1;
1880 int FFMPEG::get_ff_option(const char *nm, const char *options, char *value)
1882 for( const char *cp=options; *cp!=0; ) {
1883 char line[BCTEXTLEN], *bp = line, *ep = bp+sizeof(line)-1;
1884 while( bp < ep && *cp && *cp!='\n' ) *bp++ = *cp++;
1887 if( !line[0] || line[0] == '#' || line[0] == ';' ) continue;
1888 char key[BCSTRLEN], val[BCTEXTLEN];
1889 if( FFMPEG::scan_option_line(line, key, val) ) continue;
1890 if( !strcmp(key, nm) ) {
1891 strncpy(value, val, BCSTRLEN);
1898 void FFMPEG::scan_audio_options(Asset *asset, EDL *edl)
1900 char cin_sample_fmt[BCSTRLEN];
1901 int cin_fmt = AV_SAMPLE_FMT_NONE;
1902 const char *options = asset->ff_audio_options;
1903 if( !get_ff_option("cin_sample_fmt", options, cin_sample_fmt) )
1904 cin_fmt = (int)av_get_sample_fmt(cin_sample_fmt);
1906 char audio_codec[BCSTRLEN]; audio_codec[0] = 0;
1907 AVCodec *av_codec = !FFMPEG::get_codec(audio_codec, "audio", asset->acodec) ?
1908 avcodec_find_encoder_by_name(audio_codec) : 0;
1909 if( av_codec && av_codec->sample_fmts )
1910 cin_fmt = find_best_sample_fmt_of_list(av_codec->sample_fmts, AV_SAMPLE_FMT_FLT);
1912 if( cin_fmt < 0 ) cin_fmt = AV_SAMPLE_FMT_S16;
1913 const char *name = av_get_sample_fmt_name((AVSampleFormat)cin_fmt);
1914 if( !name ) name = _("None");
1915 strcpy(asset->ff_sample_format, name);
1917 char value[BCSTRLEN];
1918 if( !get_ff_option("cin_bitrate", options, value) )
1919 asset->ff_audio_bitrate = atoi(value);
1920 if( !get_ff_option("cin_quality", options, value) )
1921 asset->ff_audio_quality = atoi(value);
1924 void FFMPEG::load_audio_options(Asset *asset, EDL *edl)
1926 char options_path[BCTEXTLEN];
1927 set_option_path(options_path, "audio/%s", asset->acodec);
1928 if( !load_options(options_path,
1929 asset->ff_audio_options,
1930 sizeof(asset->ff_audio_options)) )
1931 scan_audio_options(asset, edl);
1934 void FFMPEG::scan_video_options(Asset *asset, EDL *edl)
1936 char cin_pix_fmt[BCSTRLEN];
1937 int cin_fmt = AV_PIX_FMT_NONE;
1938 const char *options = asset->ff_video_options;
1939 if( !get_ff_option("cin_pix_fmt", options, cin_pix_fmt) )
1940 cin_fmt = (int)av_get_pix_fmt(cin_pix_fmt);
1942 char video_codec[BCSTRLEN]; video_codec[0] = 0;
1943 AVCodec *av_codec = !get_codec(video_codec, "video", asset->vcodec) ?
1944 avcodec_find_encoder_by_name(video_codec) : 0;
1945 if( av_codec && av_codec->pix_fmts ) {
1946 if( 0 && edl ) { // frequently picks a bad answer
1947 int color_model = edl->session->color_model;
1948 int max_bits = BC_CModels::calculate_pixelsize(color_model) * 8;
1949 max_bits /= BC_CModels::components(color_model);
1950 cin_fmt = avcodec_find_best_pix_fmt_of_list(av_codec->pix_fmts,
1951 (BC_CModels::is_yuv(color_model) ?
1952 (max_bits > 8 ? AV_PIX_FMT_AYUV64LE : AV_PIX_FMT_YUV444P) :
1953 (max_bits > 8 ? AV_PIX_FMT_RGB48LE : AV_PIX_FMT_RGB24)), 0, 0);
1956 cin_fmt = av_codec->pix_fmts[0];
1959 if( cin_fmt < 0 ) cin_fmt = AV_PIX_FMT_YUV420P;
1960 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get((AVPixelFormat)cin_fmt);
1961 const char *name = desc ? desc->name : _("None");
1962 strcpy(asset->ff_pixel_format, name);
1964 char value[BCSTRLEN];
1965 if( !get_ff_option("cin_bitrate", options, value) )
1966 asset->ff_video_bitrate = atoi(value);
1967 if( !get_ff_option("cin_quality", options, value) )
1968 asset->ff_video_quality = atoi(value);
1971 void FFMPEG::load_video_options(Asset *asset, EDL *edl)
1973 char options_path[BCTEXTLEN];
1974 set_option_path(options_path, "video/%s", asset->vcodec);
1975 if( !load_options(options_path,
1976 asset->ff_video_options,
1977 sizeof(asset->ff_video_options)) )
1978 scan_video_options(asset, edl);
1981 int FFMPEG::load_defaults(const char *path, const char *type,
1982 char *codec, char *codec_options, int len)
1984 char default_file[BCTEXTLEN];
1985 set_option_path(default_file, "%s/%s.dfl", path, type);
1986 FILE *fp = fopen(default_file,"r");
1988 fgets(codec, BCSTRLEN, fp);
1990 while( *cp && *cp!='\n' ) ++cp;
1992 while( len > 0 && fgets(codec_options, len, fp) ) {
1993 int n = strlen(codec_options);
1994 codec_options += n; len -= n;
1997 set_option_path(default_file, "%s/%s", path, codec);
1998 return load_options(default_file, codec_options, len);
2001 void FFMPEG::set_asset_format(Asset *asset, EDL *edl, const char *text)
2003 if( asset->format != FILE_FFMPEG ) return;
2004 if( text != asset->fformat )
2005 strcpy(asset->fformat, text);
2006 if( asset->audio_data && !asset->ff_audio_options[0] ) {
2007 if( !load_defaults("audio", text, asset->acodec,
2008 asset->ff_audio_options, sizeof(asset->ff_audio_options)) )
2009 scan_audio_options(asset, edl);
2011 asset->audio_data = 0;
2013 if( asset->video_data && !asset->ff_video_options[0] ) {
2014 if( !load_defaults("video", text, asset->vcodec,
2015 asset->ff_video_options, sizeof(asset->ff_video_options)) )
2016 scan_video_options(asset, edl);
2018 asset->video_data = 0;
2022 int FFMPEG::get_encoder(const char *options,
2023 char *format, char *codec, char *bsfilter)
2025 FILE *fp = fopen(options,"r");
2027 eprintf(_("options open failed %s\n"),options);
2030 char line[BCTEXTLEN];
2031 if( !fgets(line, sizeof(line), fp) ||
2032 scan_encoder(line, format, codec, bsfilter) )
2033 eprintf(_("format/codec not found %s\n"), options);
2038 int FFMPEG::scan_encoder(const char *line,
2039 char *format, char *codec, char *bsfilter)
2041 format[0] = codec[0] = bsfilter[0] = 0;
2042 if( scan_option_line(line, format, codec) ) return 1;
2044 while( *cp && *cp != '|' ) ++cp;
2045 if( !*cp ) return 0;
2047 do { *bp-- = 0; } while( bp>=codec && (*bp==' ' || *bp == '\t' ) );
2048 while( *++cp && (*cp==' ' || *cp == '\t') );
2050 for( int i=BCTEXTLEN; --i>0 && *cp; ) *bp++ = *cp++;
2055 int FFMPEG::read_options(const char *options, AVDictionary *&opts, int skip)
2057 FILE *fp = fopen(options,"r");
2060 while( !ret && --skip >= 0 ) {
2062 while( ch >= 0 && ch != '\n' ) ch = getc(fp);
2063 if( ch < 0 ) ret = 1;
2066 ret = read_options(fp, options, opts);
2071 int FFMPEG::scan_options(const char *options, AVDictionary *&opts, AVStream *st)
2073 FILE *fp = fmemopen((void *)options,strlen(options),"r");
2075 int ret = read_options(fp, options, opts);
2077 AVDictionaryEntry *tag = av_dict_get(opts, "id", NULL, 0);
2078 if( tag ) st->id = strtol(tag->value,0,0);
2082 FFCodecRemap::FFCodecRemap()
2087 FFCodecRemap::~FFCodecRemap()
2089 delete [] old_codec;
2090 delete [] new_codec;
2093 int FFCodecRemaps::add(const char *val)
2095 char old_codec[BCSTRLEN], new_codec[BCSTRLEN];
2096 if( sscanf(val, " %63[a-zA-z0-9_-] = %63[a-z0-9_-]",
2097 &old_codec[0], &new_codec[0]) != 2 ) return 1;
2098 FFCodecRemap &remap = append();
2099 remap.old_codec = cstrdup(old_codec);
2100 remap.new_codec = cstrdup(new_codec);
2105 int FFCodecRemaps::update(AVCodecID &codec_id, AVCodec *&decoder)
2107 AVCodec *codec = avcodec_find_decoder(codec_id);
2108 if( !codec ) return -1;
2109 const char *name = codec->name;
2110 FFCodecRemaps &map = *this;
2112 while( --k >= 0 && strcmp(map[k].old_codec, name) );
2113 if( k < 0 ) return 1;
2114 const char *new_codec = map[k].new_codec;
2115 codec = avcodec_find_decoder_by_name(new_codec);
2116 if( !codec ) return -1;
2121 int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
2123 int ret = 0, no = 0;
2124 char line[BCTEXTLEN];
2125 while( !ret && fgets(line, sizeof(line), fp) ) {
2126 line[sizeof(line)-1] = 0;
2127 if( line[0] == '#' ) continue;
2128 if( line[0] == '\n' ) continue;
2129 char key[BCSTRLEN], val[BCTEXTLEN];
2130 if( scan_option_line(line, key, val) ) {
2131 eprintf(_("err reading %s: line %d\n"), options, no);
2135 if( !strcmp(key, "duration") )
2136 opt_duration = strtod(val, 0);
2137 else if( !strcmp(key, "video_decoder") )
2138 opt_video_decoder = cstrdup(val);
2139 else if( !strcmp(key, "audio_decoder") )
2140 opt_audio_decoder = cstrdup(val);
2141 else if( !strcmp(key, "remap_video_decoder") )
2142 video_codec_remaps.add(val);
2143 else if( !strcmp(key, "remap_audio_decoder") )
2144 audio_codec_remaps.add(val);
2145 else if( !strcmp(key, "video_filter") )
2146 opt_video_filter = cstrdup(val);
2147 else if( !strcmp(key, "audio_filter") )
2148 opt_audio_filter = cstrdup(val);
2149 else if( !strcmp(key, "cin_hw_dev") )
2150 opt_hw_dev = cstrdup(val);
2151 else if( !strcmp(key, "loglevel") )
2154 av_dict_set(&opts, key, val, 0);
2160 int FFMPEG::load_options(const char *options, AVDictionary *&opts)
2162 char option_path[BCTEXTLEN];
2163 set_option_path(option_path, "%s", options);
2164 return read_options(option_path, opts);
2167 int FFMPEG::load_options(const char *path, char *bfr, int len)
2170 FILE *fp = fopen(path, "r");
2172 fgets(bfr, len, fp); // skip hdr
2173 len = fread(bfr, 1, len-1, fp);
2174 if( len < 0 ) len = 0;
2180 void FFMPEG::set_loglevel(const char *ap)
2182 if( !ap || !*ap ) return;
2187 { "quiet" , AV_LOG_QUIET },
2188 { "panic" , AV_LOG_PANIC },
2189 { "fatal" , AV_LOG_FATAL },
2190 { "error" , AV_LOG_ERROR },
2191 { "warning", AV_LOG_WARNING },
2192 { "info" , AV_LOG_INFO },
2193 { "verbose", AV_LOG_VERBOSE },
2194 { "debug" , AV_LOG_DEBUG },
2196 for( int i=0; i<(int)(sizeof(log_levels)/sizeof(log_levels[0])); ++i ) {
2197 if( !strcmp(log_levels[i].name, ap) ) {
2198 av_log_set_level(log_levels[i].level);
2202 av_log_set_level(atoi(ap));
2205 double FFMPEG::to_secs(int64_t time, AVRational time_base)
2207 double base_time = time == AV_NOPTS_VALUE ? 0 :
2208 av_rescale_q(time, time_base, AV_TIME_BASE_Q);
2209 return base_time / AV_TIME_BASE;
2212 int FFMPEG::info(char *text, int len)
2214 if( len <= 0 ) return 0;
2216 #define report(s...) do { int n = snprintf(cp,len,s); cp += n; len -= n; } while(0)
2218 report("format: %s\n",fmt_ctx->iformat->name);
2219 if( ffvideo.size() > 0 )
2220 report("\n%d video stream%s\n",ffvideo.size(), ffvideo.size()!=1 ? "s" : "");
2221 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
2222 FFVideoStream *vid = ffvideo[vidx];
2223 AVStream *st = vid->st;
2224 AVCodecID codec_id = st->codecpar->codec_id;
2225 report(_("vid%d (%d), id 0x%06x:\n"), vid->idx, vid->fidx, codec_id);
2226 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
2227 report(" video%d %s", vidx+1, desc ? desc->name : " (unkn)");
2228 report(" %dx%d %5.2f", vid->width, vid->height, vid->frame_rate);
2229 AVPixelFormat pix_fmt = (AVPixelFormat)st->codecpar->format;
2230 const char *pfn = av_get_pix_fmt_name(pix_fmt);
2231 report(" pix %s\n", pfn ? pfn : "(unkn)");
2232 double secs = to_secs(st->duration, st->time_base);
2233 int64_t length = secs * vid->frame_rate + 0.5;
2234 double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
2235 int64_t nudge = ofs * vid->frame_rate;
2236 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
2237 report(" %jd%c%jd frms %0.2f secs", length,ch,nudge, secs);
2238 int hrs = secs/3600; secs -= hrs*3600;
2239 int mins = secs/60; secs -= mins*60;
2240 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
2242 if( ffaudio.size() > 0 )
2243 report("\n%d audio stream%s\n",ffaudio.size(), ffaudio.size()!=1 ? "s" : "");
2244 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
2245 FFAudioStream *aud = ffaudio[aidx];
2246 AVStream *st = aud->st;
2247 AVCodecID codec_id = st->codecpar->codec_id;
2248 report(_("aud%d (%d), id 0x%06x:\n"), aud->idx, aud->fidx, codec_id);
2249 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
2250 int nch = aud->channels, ch0 = aud->channel0+1;
2251 report(" audio%d-%d %s", ch0, ch0+nch-1, desc ? desc->name : " (unkn)");
2252 AVSampleFormat sample_fmt = (AVSampleFormat)st->codecpar->format;
2253 const char *fmt = av_get_sample_fmt_name(sample_fmt);
2254 report(" %s %d", fmt, aud->sample_rate);
2255 int sample_bits = av_get_bits_per_sample(codec_id);
2256 report(" %dbits\n", sample_bits);
2257 double secs = to_secs(st->duration, st->time_base);
2258 int64_t length = secs * aud->sample_rate + 0.5;
2259 double ofs = to_secs((aud->nudge - st->start_time), st->time_base);
2260 int64_t nudge = ofs * aud->sample_rate;
2261 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
2262 report(" %jd%c%jd smpl %0.2f secs", length,ch,nudge, secs);
2263 int hrs = secs/3600; secs -= hrs*3600;
2264 int mins = secs/60; secs -= mins*60;
2265 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
2267 if( fmt_ctx->nb_programs > 0 )
2268 report("\n%d program%s\n",fmt_ctx->nb_programs, fmt_ctx->nb_programs!=1 ? "s" : "");
2269 for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
2270 report("program %d", i+1);
2271 AVProgram *pgrm = fmt_ctx->programs[i];
2272 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2273 int idx = pgrm->stream_index[j];
2274 int vidx = ffvideo.size();
2275 while( --vidx>=0 && ffvideo[vidx]->fidx != idx );
2277 report(", vid%d", vidx);
2280 int aidx = ffaudio.size();
2281 while( --aidx>=0 && ffaudio[aidx]->fidx != idx );
2283 report(", aud%d", aidx);
2286 report(", (%d)", pgrm->stream_index[j]);
2291 AVDictionaryEntry *tag = 0;
2292 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
2293 report("%s=%s\n", tag->key, tag->value);
2302 int FFMPEG::init_decoder(const char *filename)
2304 ff_lock("FFMPEG::init_decoder");
2306 char file_opts[BCTEXTLEN];
2307 strcpy(file_opts, filename);
2308 char *bp = strrchr(file_opts, '/');
2309 if( !bp ) bp = file_opts;
2310 char *sp = strrchr(bp, '.');
2311 if( !sp ) sp = bp + strlen(bp);
2313 AVInputFormat *ifmt = 0;
2315 strcpy(sp, ".opts");
2316 fp = fopen(file_opts, "r");
2319 read_options(fp, file_opts, opts);
2321 AVDictionaryEntry *tag;
2322 if( (tag=av_dict_get(opts, "format", NULL, 0)) != 0 ) {
2323 ifmt = av_find_input_format(tag->value);
2327 load_options("decode.opts", opts);
2328 AVDictionary *fopts = 0;
2329 av_dict_copy(&fopts, opts, 0);
2330 int ret = avformat_open_input(&fmt_ctx, filename, ifmt, &fopts);
2331 av_dict_free(&fopts);
2333 ret = avformat_find_stream_info(fmt_ctx, NULL);
2338 return !ret ? 0 : 1;
2341 int FFMPEG::open_decoder()
2344 if( stat(fmt_ctx->url, &st) < 0 ) {
2345 eprintf(_("can't stat file: %s\n"), fmt_ctx->url);
2349 int64_t file_bits = 8 * st.st_size;
2350 if( !fmt_ctx->bit_rate && opt_duration > 0 )
2351 fmt_ctx->bit_rate = file_bits / opt_duration;
2354 if( fmt_ctx->bit_rate > 0 ) {
2355 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
2356 AVStream *st = fmt_ctx->streams[i];
2357 if( st->duration != AV_NOPTS_VALUE ) continue;
2358 if( st->time_base.num > INT64_MAX / fmt_ctx->bit_rate ) continue;
2359 st->duration = av_rescale(file_bits, st->time_base.den,
2360 fmt_ctx->bit_rate * (int64_t) st->time_base.num);
2364 if( estimated && !(fflags & FF_ESTM_TIMES) ) {
2365 fflags |= FF_ESTM_TIMES;
2366 printf("FFMPEG::open_decoder: some stream times estimated: %s\n",
2370 ff_lock("FFMPEG::open_decoder");
2371 int ret = 0, bad_time = 0;
2372 for( int i=0; !ret && i<(int)fmt_ctx->nb_streams; ++i ) {
2373 AVStream *st = fmt_ctx->streams[i];
2374 if( st->duration == AV_NOPTS_VALUE ) bad_time = 1;
2375 AVCodecParameters *avpar = st->codecpar;
2376 const AVCodecDescriptor *codec_desc = avcodec_descriptor_get(avpar->codec_id);
2377 if( !codec_desc ) continue;
2378 switch( avpar->codec_type ) {
2379 case AVMEDIA_TYPE_VIDEO: {
2380 if( avpar->width < 1 ) continue;
2381 if( avpar->height < 1 ) continue;
2382 AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
2383 if( framerate.num < 1 ) continue;
2385 int vidx = ffvideo.size();
2386 FFVideoStream *vid = new FFVideoStream(this, st, vidx, i);
2387 vstrm_index.append(ffidx(vidx, 0));
2388 ffvideo.append(vid);
2389 vid->width = avpar->width;
2390 vid->height = avpar->height;
2391 vid->frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
2392 double secs = to_secs(st->duration, st->time_base);
2393 vid->length = secs * vid->frame_rate;
2394 vid->aspect_ratio = (double)st->sample_aspect_ratio.num / st->sample_aspect_ratio.den;
2395 vid->nudge = st->start_time;
2397 if( opt_video_filter )
2398 ret = vid->create_filter(opt_video_filter, avpar);
2400 case AVMEDIA_TYPE_AUDIO: {
2401 if( avpar->channels < 1 ) continue;
2402 if( avpar->sample_rate < 1 ) continue;
2404 int aidx = ffaudio.size();
2405 FFAudioStream *aud = new FFAudioStream(this, st, aidx, i);
2406 ffaudio.append(aud);
2407 aud->channel0 = astrm_index.size();
2408 aud->channels = avpar->channels;
2409 for( int ch=0; ch<aud->channels; ++ch )
2410 astrm_index.append(ffidx(aidx, ch));
2411 aud->sample_rate = avpar->sample_rate;
2412 double secs = to_secs(st->duration, st->time_base);
2413 aud->length = secs * aud->sample_rate;
2414 aud->init_swr(aud->channels, avpar->format, aud->sample_rate);
2415 aud->nudge = st->start_time;
2417 if( opt_audio_filter )
2418 ret = aud->create_filter(opt_audio_filter, avpar);
2423 if( bad_time && !(fflags & FF_BAD_TIMES) ) {
2424 fflags |= FF_BAD_TIMES;
2425 printf(_("FFMPEG::open_decoder: some stream have bad times: %s\n"),
2429 return ret < 0 ? -1 : 0;
2433 int FFMPEG::init_encoder(const char *filename)
2435 // try access first for named pipes
2436 int ret = access(filename, W_OK);
2438 int fd = ::open(filename,O_WRONLY);
2439 if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
2440 if( fd >= 0 ) { close(fd); ret = 0; }
2443 eprintf(_("bad file path: %s\n"), filename);
2446 ret = get_file_format();
2448 eprintf(_("bad file format: %s\n"), filename);
2452 eprintf(_("mismatch audio/video file format: %s\n"), filename);
2455 ff_lock("FFMPEG::init_encoder");
2457 char format[BCSTRLEN];
2458 if( get_format(format, "format", file_format) )
2459 strcpy(format, file_format);
2460 avformat_alloc_output_context2(&fmt_ctx, 0, format, filename);
2462 eprintf(_("failed: %s\n"), filename);
2467 load_options("encode.opts", opts);
2473 int FFMPEG::open_encoder(const char *type, const char *spec)
2476 Asset *asset = file_base->asset;
2477 char *filename = asset->path;
2478 AVDictionary *sopts = 0;
2479 av_dict_copy(&sopts, opts, 0);
2480 char option_path[BCTEXTLEN];
2481 set_option_path(option_path, "%s/%s.opts", type, type);
2482 read_options(option_path, sopts);
2483 get_option_path(option_path, type, spec);
2484 char format_name[BCSTRLEN], codec_name[BCTEXTLEN], bsfilter[BCTEXTLEN];
2485 if( get_encoder(option_path, format_name, codec_name, bsfilter) ) {
2486 eprintf(_("get_encoder failed %s:%s\n"), option_path, filename);
2491 if( !strcmp(codec_name, CODEC_TAG_DVSD) ) strcpy(codec_name, "dv");
2493 else if( !strcmp(codec_name, CODEC_TAG_MJPEG) ) strcpy(codec_name, "mjpeg");
2494 else if( !strcmp(codec_name, CODEC_TAG_JPEG) ) strcpy(codec_name, "jpeg");
2497 ff_lock("FFMPEG::open_encoder");
2500 AVCodecContext *ctx = 0;
2502 const AVCodecDescriptor *codec_desc = 0;
2503 AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
2505 eprintf(_("cant find codec %s:%s\n"), codec_name, filename);
2509 codec_desc = avcodec_descriptor_get(codec->id);
2511 eprintf(_("unknown codec %s:%s\n"), codec_name, filename);
2516 st = avformat_new_stream(fmt_ctx, 0);
2518 eprintf(_("cant create stream %s:%s\n"), codec_name, filename);
2523 switch( codec_desc->type ) {
2524 case AVMEDIA_TYPE_AUDIO: {
2526 eprintf(_("duplicate audio %s:%s\n"), codec_name, filename);
2530 if( scan_options(asset->ff_audio_options, sopts, st) ) {
2531 eprintf(_("bad audio options %s:%s\n"), codec_name, filename);
2536 ctx = avcodec_alloc_context3(codec);
2537 if( asset->ff_audio_bitrate > 0 ) {
2538 ctx->bit_rate = asset->ff_audio_bitrate;
2540 sprintf(arg, "%d", asset->ff_audio_bitrate);
2541 av_dict_set(&sopts, "b", arg, 0);
2543 else if( asset->ff_audio_quality >= 0 ) {
2544 ctx->global_quality = asset->ff_audio_quality * FF_QP2LAMBDA;
2545 ctx->qmin = ctx->qmax = asset->ff_audio_quality;
2546 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2547 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2548 ctx->flags |= AV_CODEC_FLAG_QSCALE;
2550 av_dict_set(&sopts, "flags", "+qscale", 0);
2551 sprintf(arg, "%d", asset->ff_audio_quality);
2552 av_dict_set(&sopts, "qscale", arg, 0);
2553 sprintf(arg, "%d", ctx->global_quality);
2554 av_dict_set(&sopts, "global_quality", arg, 0);
2556 int aidx = ffaudio.size();
2557 int fidx = aidx + ffvideo.size();
2558 FFAudioStream *aud = new FFAudioStream(this, st, aidx, fidx);
2559 aud->avctx = ctx; ffaudio.append(aud); fst = aud;
2560 aud->sample_rate = asset->sample_rate;
2561 ctx->channels = aud->channels = asset->channels;
2562 for( int ch=0; ch<aud->channels; ++ch )
2563 astrm_index.append(ffidx(aidx, ch));
2564 ctx->channel_layout = av_get_default_channel_layout(ctx->channels);
2565 ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
2566 if( !ctx->sample_rate ) {
2567 eprintf(_("check_sample_rate failed %s\n"), filename);
2571 ctx->time_base = st->time_base = (AVRational){1, aud->sample_rate};
2572 AVSampleFormat sample_fmt = av_get_sample_fmt(asset->ff_sample_format);
2573 if( sample_fmt == AV_SAMPLE_FMT_NONE )
2574 sample_fmt = codec->sample_fmts ? codec->sample_fmts[0] : AV_SAMPLE_FMT_S16;
2575 ctx->sample_fmt = sample_fmt;
2576 uint64_t layout = av_get_default_channel_layout(ctx->channels);
2577 aud->resample_context = swr_alloc_set_opts(NULL,
2578 layout, ctx->sample_fmt, aud->sample_rate,
2579 layout, AV_SAMPLE_FMT_FLT, ctx->sample_rate,
2581 swr_init(aud->resample_context);
2584 case AVMEDIA_TYPE_VIDEO: {
2586 eprintf(_("duplicate video %s:%s\n"), codec_name, filename);
2590 if( scan_options(asset->ff_video_options, sopts, st) ) {
2591 eprintf(_("bad video options %s:%s\n"), codec_name, filename);
2596 ctx = avcodec_alloc_context3(codec);
2597 if( asset->ff_video_bitrate > 0 ) {
2598 ctx->bit_rate = asset->ff_video_bitrate;
2600 sprintf(arg, "%d", asset->ff_video_bitrate);
2601 av_dict_set(&sopts, "b", arg, 0);
2603 else if( asset->ff_video_quality >= 0 ) {
2604 ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
2605 ctx->qmin = ctx->qmax = asset->ff_video_quality;
2606 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2607 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2608 ctx->flags |= AV_CODEC_FLAG_QSCALE;
2610 av_dict_set(&sopts, "flags", "+qscale", 0);
2611 sprintf(arg, "%d", asset->ff_video_quality);
2612 av_dict_set(&sopts, "qscale", arg, 0);
2613 sprintf(arg, "%d", ctx->global_quality);
2614 av_dict_set(&sopts, "global_quality", arg, 0);
2616 int vidx = ffvideo.size();
2617 int fidx = vidx + ffaudio.size();
2618 FFVideoStream *vid = new FFVideoStream(this, st, vidx, fidx);
2619 vstrm_index.append(ffidx(vidx, 0));
2620 vid->avctx = ctx; ffvideo.append(vid); fst = vid;
2621 vid->width = asset->width;
2622 vid->height = asset->height;
2623 vid->frame_rate = asset->frame_rate;
2625 AVPixelFormat pix_fmt = av_get_pix_fmt(asset->ff_pixel_format);
2626 if( opt_hw_dev != 0 ) {
2627 AVHWDeviceType hw_type = vid->encode_hw_activate(opt_hw_dev);
2629 case AV_HWDEVICE_TYPE_VAAPI:
2630 pix_fmt = AV_PIX_FMT_VAAPI;
2632 case AV_HWDEVICE_TYPE_NONE:
2636 if( pix_fmt == AV_PIX_FMT_NONE )
2637 pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
2638 ctx->pix_fmt = pix_fmt;
2640 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
2641 int mask_w = (1<<desc->log2_chroma_w)-1;
2642 ctx->width = (vid->width+mask_w) & ~mask_w;
2643 int mask_h = (1<<desc->log2_chroma_h)-1;
2644 ctx->height = (vid->height+mask_h) & ~mask_h;
2645 ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset);
2646 AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
2647 if( !frame_rate.num || !frame_rate.den ) {
2648 eprintf(_("check_frame_rate failed %s\n"), filename);
2652 av_reduce(&frame_rate.num, &frame_rate.den,
2653 frame_rate.num, frame_rate.den, INT_MAX);
2654 ctx->framerate = (AVRational) { frame_rate.num, frame_rate.den };
2655 ctx->time_base = (AVRational) { frame_rate.den, frame_rate.num };
2656 st->avg_frame_rate = frame_rate;
2657 st->time_base = ctx->time_base;
2659 vid->interlaced = asset->interlace_mode == ILACE_MODE_TOP_FIRST ||
2660 asset->interlace_mode == ILACE_MODE_BOTTOM_FIRST ? 1 : 0;
2661 vid->top_field_first = asset->interlace_mode == ILACE_MODE_TOP_FIRST ? 1 : 0;
2664 eprintf(_("not audio/video, %s:%s\n"), codec_name, filename);
2669 AVDictionaryEntry *tag;
2670 if( (tag=av_dict_get(sopts, "cin_stats_filename", NULL, 0)) != 0 ) {
2671 char suffix[BCSTRLEN]; sprintf(suffix,"-%d.log",fst->fidx);
2672 fst->stats_filename = cstrcat(2, tag->value, suffix);
2674 if( (tag=av_dict_get(sopts, "flags", NULL, 0)) != 0 ) {
2675 int pass = fst->pass;
2676 char *cp = tag->value;
2678 int ch = *cp++, pfx = ch=='-' ? -1 : ch=='+' ? 1 : 0;
2679 if( !isalnum(!pfx ? ch : (ch=*cp++)) ) continue;
2680 char id[BCSTRLEN], *bp = id, *ep = bp+sizeof(id)-1;
2681 for( *bp++=ch; isalnum(ch=*cp); ++cp )
2682 if( bp < ep ) *bp++ = ch;
2684 if( !strcmp(id, "pass1") ) {
2685 pass = pfx<0 ? (pass&~1) : pfx>0 ? (pass|1) : 1;
2687 else if( !strcmp(id, "pass2") ) {
2688 pass = pfx<0 ? (pass&~2) : pfx>0 ? (pass|2) : 2;
2691 if( (fst->pass=pass) ) {
2692 if( pass & 1 ) ctx->flags |= AV_CODEC_FLAG_PASS1;
2693 if( pass & 2 ) ctx->flags |= AV_CODEC_FLAG_PASS2;
2699 if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
2700 ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
2701 if( fst->stats_filename && (ret=fst->init_stats_file()) )
2702 eprintf(_("error: stats file = %s\n"), fst->stats_filename);
2705 av_dict_set(&sopts, "cin_bitrate", 0, 0);
2706 av_dict_set(&sopts, "cin_quality", 0, 0);
2708 if( !av_dict_get(sopts, "threads", NULL, 0) )
2709 ctx->thread_count = ff_cpus();
2710 ret = avcodec_open2(ctx, codec, &sopts);
2712 ret = avcodec_parameters_from_context(st->codecpar, ctx);
2714 fprintf(stderr, "Could not copy the stream parameters\n");
2717 _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
2718 ret = avcodec_copy_context(st->codec, ctx);
2719 _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
2721 fprintf(stderr, "Could not copy the stream context\n");
2724 ff_err(ret,"FFMPEG::open_encoder");
2725 eprintf(_("open failed %s:%s\n"), codec_name, filename);
2731 if( !ret && fst && bsfilter[0] ) {
2732 ret = av_bsf_list_parse_str(bsfilter, &fst->bsfc);
2734 ff_err(ret,"FFMPEG::open_encoder");
2735 eprintf(_("bitstream filter failed %s:\n%s\n"), filename, bsfilter);
2746 av_dict_free(&sopts);
2750 int FFMPEG::close_encoder()
2753 if( encoding > 0 ) {
2754 av_write_trailer(fmt_ctx);
2755 if( !(fmt_ctx->flags & AVFMT_NOFILE) )
2756 avio_closep(&fmt_ctx->pb);
2762 int FFMPEG::decode_activate()
2764 if( decoding < 0 ) {
2766 for( int vidx=0; vidx<ffvideo.size(); ++vidx )
2767 ffvideo[vidx]->nudge = AV_NOPTS_VALUE;
2768 for( int aidx=0; aidx<ffaudio.size(); ++aidx )
2769 ffaudio[aidx]->nudge = AV_NOPTS_VALUE;
2770 // set nudges for each program stream set
2771 const int64_t min_nudge = INT64_MIN+1;
2772 int npgrms = fmt_ctx->nb_programs;
2773 for( int i=0; i<npgrms; ++i ) {
2774 AVProgram *pgrm = fmt_ctx->programs[i];
2775 // first start time video stream
2776 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2777 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2778 int fidx = pgrm->stream_index[j];
2779 AVStream *st = fmt_ctx->streams[fidx];
2780 AVCodecParameters *avpar = st->codecpar;
2781 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2782 if( st->start_time == AV_NOPTS_VALUE ) continue;
2783 if( vstart_time < st->start_time )
2784 vstart_time = st->start_time;
2787 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2788 if( st->start_time == AV_NOPTS_VALUE ) continue;
2789 if( astart_time < st->start_time )
2790 astart_time = st->start_time;
2794 //since frame rate is much more grainy than sample rate, it is better to
2795 // align using video, so that total absolute error is minimized.
2796 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2797 astart_time > min_nudge ? astart_time : AV_NOPTS_VALUE;
2798 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2799 int fidx = pgrm->stream_index[j];
2800 AVStream *st = fmt_ctx->streams[fidx];
2801 AVCodecParameters *avpar = st->codecpar;
2802 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2803 for( int k=0; k<ffvideo.size(); ++k ) {
2804 if( ffvideo[k]->fidx != fidx ) continue;
2805 ffvideo[k]->nudge = nudge;
2809 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2810 for( int k=0; k<ffaudio.size(); ++k ) {
2811 if( ffaudio[k]->fidx != fidx ) continue;
2812 ffaudio[k]->nudge = nudge;
2818 // set nudges for any streams not yet set
2819 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2820 int nstreams = fmt_ctx->nb_streams;
2821 for( int i=0; i<nstreams; ++i ) {
2822 AVStream *st = fmt_ctx->streams[i];
2823 AVCodecParameters *avpar = st->codecpar;
2824 switch( avpar->codec_type ) {
2825 case AVMEDIA_TYPE_VIDEO: {
2826 if( st->start_time == AV_NOPTS_VALUE ) continue;
2827 int vidx = ffvideo.size();
2828 while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
2829 if( vidx < 0 ) continue;
2830 if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
2831 if( vstart_time < st->start_time )
2832 vstart_time = st->start_time;
2834 case AVMEDIA_TYPE_AUDIO: {
2835 if( st->start_time == AV_NOPTS_VALUE ) continue;
2836 int aidx = ffaudio.size();
2837 while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
2838 if( aidx < 0 ) continue;
2839 if( ffaudio[aidx]->frame_sz < avpar->frame_size )
2840 ffaudio[aidx]->frame_sz = avpar->frame_size;
2841 if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
2842 if( astart_time < st->start_time )
2843 astart_time = st->start_time;
2848 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2849 astart_time > min_nudge ? astart_time : 0;
2850 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
2851 if( ffvideo[vidx]->nudge == AV_NOPTS_VALUE )
2852 ffvideo[vidx]->nudge = nudge;
2854 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
2855 if( ffaudio[aidx]->nudge == AV_NOPTS_VALUE )
2856 ffaudio[aidx]->nudge = nudge;
2863 int FFMPEG::encode_activate()
2866 if( encoding < 0 ) {
2868 if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
2869 (ret=avio_open(&fmt_ctx->pb, fmt_ctx->url, AVIO_FLAG_WRITE)) < 0 ) {
2870 ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
2876 AVProgram *prog = av_new_program(fmt_ctx, prog_id);
2877 for( int i=0; i< ffvideo.size(); ++i )
2878 av_program_add_stream_index(fmt_ctx, prog_id, ffvideo[i]->fidx);
2879 for( int i=0; i< ffaudio.size(); ++i )
2880 av_program_add_stream_index(fmt_ctx, prog_id, ffaudio[i]->fidx);
2881 int pi = fmt_ctx->nb_programs;
2882 while( --pi >= 0 && fmt_ctx->programs[pi]->id != prog_id );
2883 AVDictionary **meta = &prog->metadata;
2884 av_dict_set(meta, "service_provider", "cin5", 0);
2885 const char *path = fmt_ctx->url, *bp = strrchr(path,'/');
2886 if( bp ) path = bp + 1;
2887 av_dict_set(meta, "title", path, 0);
2889 if( ffaudio.size() ) {
2890 const char *ep = getenv("CIN_AUDIO_LANG"), *lp = 0;
2891 if( !ep && (lp=getenv("LANG")) ) { // some are guesses
2892 static struct { const char lc[3], lng[4]; } lcode[] = {
2893 { "en", "eng" }, { "de", "ger" }, { "es", "spa" },
2894 { "eu", "bas" }, { "fr", "fre" }, { "el", "gre" },
2895 { "hi", "hin" }, { "it", "ita" }, { "ja", "jap" },
2896 { "ko", "kor" }, { "du", "dut" }, { "pl", "pol" },
2897 { "pt", "por" }, { "ru", "rus" }, { "sl", "slv" },
2898 { "uk", "ukr" }, { "vi", "vie" }, { "zh", "chi" },
2900 for( int i=sizeof(lcode)/sizeof(lcode[0]); --i>=0 && !ep; )
2901 if( !strncmp(lcode[i].lc,lp,2) ) ep = lcode[i].lng;
2903 if( !ep ) ep = "und";
2905 strncpy(lang,ep,3); lang[3] = 0;
2906 AVStream *st = ffaudio[0]->st;
2907 av_dict_set(&st->metadata,"language",lang,0);
2910 AVDictionary *fopts = 0;
2911 char option_path[BCTEXTLEN];
2912 set_option_path(option_path, "format/%s", file_format);
2913 read_options(option_path, fopts, 1);
2914 ret = avformat_write_header(fmt_ctx, &fopts);
2916 ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
2920 av_dict_free(&fopts);
2927 int FFMPEG::audio_seek(int stream, int64_t pos)
2929 int aidx = astrm_index[stream].st_idx;
2930 FFAudioStream *aud = ffaudio[aidx];
2931 aud->audio_seek(pos);
2935 int FFMPEG::video_seek(int stream, int64_t pos)
2937 int vidx = vstrm_index[stream].st_idx;
2938 FFVideoStream *vid = ffvideo[vidx];
2939 vid->video_seek(pos);
2944 int FFMPEG::decode(int chn, int64_t pos, double *samples, int len)
2946 if( !has_audio || chn >= astrm_index.size() ) return -1;
2947 int aidx = astrm_index[chn].st_idx;
2948 FFAudioStream *aud = ffaudio[aidx];
2949 if( aud->load(pos, len) < len ) return -1;
2950 int ch = astrm_index[chn].st_ch;
2951 int ret = aud->read(samples,len,ch);
2955 int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)
2957 if( !has_video || layer >= vstrm_index.size() ) return -1;
2958 int vidx = vstrm_index[layer].st_idx;
2959 FFVideoStream *vid = ffvideo[vidx];
2960 return vid->load(vframe, pos);
2964 int FFMPEG::encode(int stream, double **samples, int len)
2966 FFAudioStream *aud = ffaudio[stream];
2967 return aud->encode(samples, len);
2971 int FFMPEG::encode(int stream, VFrame *frame)
2973 FFVideoStream *vid = ffvideo[stream];
2974 return vid->encode(frame);
2977 void FFMPEG::start_muxer()
2985 void FFMPEG::stop_muxer()
2994 void FFMPEG::flow_off()
2997 flow_lock->lock("FFMPEG::flow_off");
3001 void FFMPEG::flow_on()
3005 flow_lock->unlock();
3008 void FFMPEG::flow_ctl()
3011 flow_lock->lock("FFMPEG::flow_ctl");
3012 flow_lock->unlock();
3016 int FFMPEG::mux_audio(FFrame *frm)
3018 FFStream *fst = frm->fst;
3019 AVCodecContext *ctx = fst->avctx;
3020 AVFrame *frame = *frm;
3021 AVRational tick_rate = {1, ctx->sample_rate};
3022 frame->pts = av_rescale_q(frm->position, tick_rate, ctx->time_base);
3023 int ret = fst->encode_frame(frame);
3025 ff_err(ret, "FFMPEG::mux_audio");
3026 return ret >= 0 ? 0 : 1;
3029 int FFMPEG::mux_video(FFrame *frm)
3031 FFStream *fst = frm->fst;
3032 AVFrame *frame = *frm;
3033 frame->pts = frm->position;
3034 int ret = fst->encode_frame(frame);
3036 ff_err(ret, "FFMPEG::mux_video");
3037 return ret >= 0 ? 0 : 1;
3043 double atm = -1, vtm = -1;
3044 FFrame *afrm = 0, *vfrm = 0;
3046 for( int i=0; i<ffaudio.size(); ++i ) { // earliest audio
3047 FFStream *fst = ffaudio[i];
3048 if( fst->frm_count < 3 ) { demand = 1; flow_on(); }
3049 FFrame *frm = fst->frms.first;
3050 if( !frm ) { if( !done ) return; continue; }
3051 double tm = to_secs(frm->position, fst->avctx->time_base);
3052 if( atm < 0 || tm < atm ) { atm = tm; afrm = frm; }
3054 for( int i=0; i<ffvideo.size(); ++i ) { // earliest video
3055 FFStream *fst = ffvideo[i];
3056 if( fst->frm_count < 2 ) { demand = 1; flow_on(); }
3057 FFrame *frm = fst->frms.first;
3058 if( !frm ) { if( !done ) return; continue; }
3059 double tm = to_secs(frm->position, fst->avctx->time_base);
3060 if( vtm < 0 || tm < vtm ) { vtm = tm; vfrm = frm; }
3062 if( !demand ) flow_off();
3063 if( !afrm && !vfrm ) break;
3064 int v = !afrm ? -1 : !vfrm ? 1 : av_compare_ts(
3065 vfrm->position, vfrm->fst->avctx->time_base,
3066 afrm->position, afrm->fst->avctx->time_base);
3067 FFrame *frm = v <= 0 ? vfrm : afrm;
3068 if( frm == afrm ) mux_audio(frm);
3069 if( frm == vfrm ) mux_video(frm);
3078 mux_lock->lock("FFMPEG::run");
3081 for( int i=0; i<ffaudio.size(); ++i )
3082 ffaudio[i]->drain();
3083 for( int i=0; i<ffvideo.size(); ++i )
3084 ffvideo[i]->drain();
3086 for( int i=0; i<ffaudio.size(); ++i )
3087 ffaudio[i]->flush();
3088 for( int i=0; i<ffvideo.size(); ++i )
3089 ffvideo[i]->flush();
3093 int FFMPEG::ff_total_audio_channels()
3095 return astrm_index.size();
3098 int FFMPEG::ff_total_astreams()
3100 return ffaudio.size();
3103 int FFMPEG::ff_audio_channels(int stream)
3105 return ffaudio[stream]->channels;
3108 int FFMPEG::ff_sample_rate(int stream)
3110 return ffaudio[stream]->sample_rate;
3113 const char* FFMPEG::ff_audio_format(int stream)
3115 AVStream *st = ffaudio[stream]->st;
3116 AVCodecID id = st->codecpar->codec_id;
3117 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
3118 return desc ? desc->name : _("Unknown");
3121 int FFMPEG::ff_audio_pid(int stream)
3123 return ffaudio[stream]->st->id;
3126 int64_t FFMPEG::ff_audio_samples(int stream)
3128 return ffaudio[stream]->length;
3131 // find audio astream/channels with this program,
3132 // or all program audio channels (astream=-1)
3133 int FFMPEG::ff_audio_for_video(int vstream, int astream, int64_t &channel_mask)
3137 int vidx = ffvideo[vstream]->fidx;
3138 // find first program with this video stream
3139 for( int i=0; pidx<0 && i<(int)fmt_ctx->nb_programs; ++i ) {
3140 AVProgram *pgrm = fmt_ctx->programs[i];
3141 for( int j=0; pidx<0 && j<(int)pgrm->nb_stream_indexes; ++j ) {
3142 int st_idx = pgrm->stream_index[j];
3143 AVStream *st = fmt_ctx->streams[st_idx];
3144 if( st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ) continue;
3145 if( st_idx == vidx ) pidx = i;
3148 if( pidx < 0 ) return -1;
3150 int64_t channels = 0;
3151 AVProgram *pgrm = fmt_ctx->programs[pidx];
3152 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
3153 int aidx = pgrm->stream_index[j];
3154 AVStream *st = fmt_ctx->streams[aidx];
3155 if( st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
3156 if( astream > 0 ) { --astream; continue; }
3158 for( int i=0; astrm<0 && i<ffaudio.size(); ++i )
3159 if( ffaudio[i]->fidx == aidx ) astrm = i;
3161 if( ret < 0 ) ret = astrm;
3162 int64_t mask = (1 << ffaudio[astrm]->channels) - 1;
3163 channels |= mask << ffaudio[astrm]->channel0;
3165 if( !astream ) break;
3167 channel_mask = channels;
3172 int FFMPEG::ff_total_video_layers()
3174 return vstrm_index.size();
3177 int FFMPEG::ff_total_vstreams()
3179 return ffvideo.size();
3182 int FFMPEG::ff_video_width(int stream)
3184 return ffvideo[stream]->width;
3187 int FFMPEG::ff_video_height(int stream)
3189 return ffvideo[stream]->height;
3192 int FFMPEG::ff_set_video_width(int stream, int width)
3194 int w = ffvideo[stream]->width;
3195 ffvideo[stream]->width = width;
3199 int FFMPEG::ff_set_video_height(int stream, int height)
3201 int h = ffvideo[stream]->height;
3202 ffvideo[stream]->height = height;
3206 int FFMPEG::ff_coded_width(int stream)
3208 return ffvideo[stream]->avctx->coded_width;
3211 int FFMPEG::ff_coded_height(int stream)
3213 return ffvideo[stream]->avctx->coded_height;
3216 float FFMPEG::ff_aspect_ratio(int stream)
3218 return ffvideo[stream]->aspect_ratio;
3221 const char* FFMPEG::ff_video_format(int stream)
3223 AVStream *st = ffvideo[stream]->st;
3224 AVCodecID id = st->codecpar->codec_id;
3225 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
3226 return desc ? desc->name : _("Unknown");
3229 double FFMPEG::ff_frame_rate(int stream)
3231 return ffvideo[stream]->frame_rate;
3234 int64_t FFMPEG::ff_video_frames(int stream)
3236 return ffvideo[stream]->length;
3239 int FFMPEG::ff_video_pid(int stream)
3241 return ffvideo[stream]->st->id;
3244 int FFMPEG::ff_video_mpeg_color_range(int stream)
3246 return ffvideo[stream]->st->codecpar->color_range == AVCOL_RANGE_MPEG ? 1 : 0;
3249 int FFMPEG::ff_cpus()
3251 return file_base->file->cpus;
3254 const char *FFMPEG::ff_hw_dev()
3256 return &file_base->file->preferences->use_hw_dev[0];
3259 Preferences *FFMPEG::ff_prefs()
3261 return !file_base ? 0 : file_base->file->preferences;
3264 int FFVideoStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
3266 avfilter_register_all();
3267 const char *sp = filter_spec;
3268 char filter_name[BCSTRLEN], *np = filter_name;
3269 int i = sizeof(filter_name);
3270 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
3272 const AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
3273 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_VIDEO ) {
3274 ff_err(AVERROR(EINVAL), "FFVideoStream::create_filter: %s\n", filter_spec);
3277 filter_graph = avfilter_graph_alloc();
3278 const AVFilter *buffersrc = avfilter_get_by_name("buffer");
3279 const AVFilter *buffersink = avfilter_get_by_name("buffersink");
3281 int ret = 0; char args[BCTEXTLEN];
3282 AVPixelFormat pix_fmt = (AVPixelFormat)avpar->format;
3283 snprintf(args, sizeof(args),
3284 "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
3285 avpar->width, avpar->height, (int)pix_fmt,
3286 st->time_base.num, st->time_base.den,
3287 avpar->sample_aspect_ratio.num, avpar->sample_aspect_ratio.den);
3289 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
3290 args, NULL, filter_graph);
3292 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
3293 NULL, NULL, filter_graph);
3295 ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",
3296 (uint8_t*)&pix_fmt, sizeof(pix_fmt),
3297 AV_OPT_SEARCH_CHILDREN);
3299 ff_err(ret, "FFVideoStream::create_filter");
3301 ret = FFStream::create_filter(filter_spec);
3302 return ret >= 0 ? 0 : -1;
3305 int FFAudioStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
3307 avfilter_register_all();
3308 const char *sp = filter_spec;
3309 char filter_name[BCSTRLEN], *np = filter_name;
3310 int i = sizeof(filter_name);
3311 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
3313 const AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
3314 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_AUDIO ) {
3315 ff_err(AVERROR(EINVAL), "FFAudioStream::create_filter: %s\n", filter_spec);
3318 filter_graph = avfilter_graph_alloc();
3319 const AVFilter *buffersrc = avfilter_get_by_name("abuffer");
3320 const AVFilter *buffersink = avfilter_get_by_name("abuffersink");
3321 int ret = 0; char args[BCTEXTLEN];
3322 AVSampleFormat sample_fmt = (AVSampleFormat)avpar->format;
3323 snprintf(args, sizeof(args),
3324 "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%jx",
3325 st->time_base.num, st->time_base.den, avpar->sample_rate,
3326 av_get_sample_fmt_name(sample_fmt), avpar->channel_layout);
3328 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
3329 args, NULL, filter_graph);
3331 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
3332 NULL, NULL, filter_graph);
3334 ret = av_opt_set_bin(buffersink_ctx, "sample_fmts",
3335 (uint8_t*)&sample_fmt, sizeof(sample_fmt),
3336 AV_OPT_SEARCH_CHILDREN);
3338 ret = av_opt_set_bin(buffersink_ctx, "channel_layouts",
3339 (uint8_t*)&avpar->channel_layout,
3340 sizeof(avpar->channel_layout), AV_OPT_SEARCH_CHILDREN);
3342 ret = av_opt_set_bin(buffersink_ctx, "sample_rates",
3343 (uint8_t*)&sample_rate, sizeof(sample_rate),
3344 AV_OPT_SEARCH_CHILDREN);
3346 ff_err(ret, "FFAudioStream::create_filter");
3348 ret = FFStream::create_filter(filter_spec);
3349 return ret >= 0 ? 0 : -1;
3352 int FFStream::create_filter(const char *filter_spec)
3354 /* Endpoints for the filter graph. */
3355 AVFilterInOut *outputs = avfilter_inout_alloc();
3356 outputs->name = av_strdup("in");
3357 outputs->filter_ctx = buffersrc_ctx;
3358 outputs->pad_idx = 0;
3361 AVFilterInOut *inputs = avfilter_inout_alloc();
3362 inputs->name = av_strdup("out");
3363 inputs->filter_ctx = buffersink_ctx;
3364 inputs->pad_idx = 0;
3367 int ret = !outputs->name || !inputs->name ? -1 : 0;
3369 ret = avfilter_graph_parse_ptr(filter_graph, filter_spec,
3370 &inputs, &outputs, NULL);
3372 ret = avfilter_graph_config(filter_graph, NULL);
3375 ff_err(ret, "FFStream::create_filter");
3376 avfilter_graph_free(&filter_graph);
3379 avfilter_inout_free(&inputs);
3380 avfilter_inout_free(&outputs);
3384 int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
3387 av_init_packet(&pkt);
3388 AVFrame *frame = av_frame_alloc();
3390 fprintf(stderr,"FFMPEG::scan: ");
3391 fprintf(stderr,_("av_frame_alloc failed\n"));
3392 fprintf(stderr,"FFMPEG::scan:file=%s\n", file_base->asset->path);
3396 index_state->add_video_markers(ffvideo.size());
3397 index_state->add_audio_markers(ffaudio.size());
3399 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
3401 AVDictionary *copts = 0;
3402 av_dict_copy(&copts, opts, 0);
3403 AVStream *st = fmt_ctx->streams[i];
3404 AVCodecID codec_id = st->codecpar->codec_id;
3405 AVCodec *decoder = avcodec_find_decoder(codec_id);
3406 AVCodecContext *avctx = avcodec_alloc_context3(decoder);
3408 eprintf(_("cant allocate codec context\n"));
3409 ret = AVERROR(ENOMEM);
3412 avcodec_parameters_to_context(avctx, st->codecpar);
3413 if( !av_dict_get(copts, "threads", NULL, 0) )
3414 avctx->thread_count = ff_cpus();
3415 ret = avcodec_open2(avctx, decoder, &copts);
3417 av_dict_free(&copts);
3419 AVCodecParameters *avpar = st->codecpar;
3420 switch( avpar->codec_type ) {
3421 case AVMEDIA_TYPE_VIDEO: {
3422 int vidx = ffvideo.size();
3423 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3424 if( vidx < 0 ) break;
3425 ffvideo[vidx]->avctx = avctx;
3427 case AVMEDIA_TYPE_AUDIO: {
3428 int aidx = ffaudio.size();
3429 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3430 if( aidx < 0 ) break;
3431 ffaudio[aidx]->avctx = avctx;
3436 fprintf(stderr,"FFMPEG::scan: ");
3437 fprintf(stderr,_("codec open failed\n"));
3438 fprintf(stderr,"FFMPEG::scan:file=%s\n", file_base->asset->path);
3439 avcodec_free_context(&avctx);
3443 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
3444 AVStream *st = fmt_ctx->streams[i];
3445 AVCodecParameters *avpar = st->codecpar;
3446 if( avpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
3447 int64_t tstmp = st->start_time;
3448 if( tstmp == AV_NOPTS_VALUE ) continue;
3449 int aidx = ffaudio.size();
3450 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3451 if( aidx < 0 ) continue;
3452 FFAudioStream *aud = ffaudio[aidx];
3453 tstmp -= aud->nudge;
3454 double secs = to_secs(tstmp, st->time_base);
3455 aud->curr_pos = secs * aud->sample_rate + 0.5;
3459 for( int64_t count=0; !*canceled; ++count ) {
3460 av_packet_unref(&pkt);
3461 pkt.data = 0; pkt.size = 0;
3463 int ret = av_read_frame(fmt_ctx, &pkt);
3465 if( ret == AVERROR_EOF ) break;
3466 if( ++errs > 100 ) {
3467 ff_err(ret,_("over 100 read_frame errs\n"));
3472 if( !pkt.data ) continue;
3473 int i = pkt.stream_index;
3474 if( i < 0 || i >= (int)fmt_ctx->nb_streams ) continue;
3475 AVStream *st = fmt_ctx->streams[i];
3476 if( pkt.pos > *scan_position ) *scan_position = pkt.pos;
3478 AVCodecParameters *avpar = st->codecpar;
3479 switch( avpar->codec_type ) {
3480 case AVMEDIA_TYPE_VIDEO: {
3481 int vidx = ffvideo.size();
3482 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3483 if( vidx < 0 ) break;
3484 FFVideoStream *vid = ffvideo[vidx];
3485 if( !vid->avctx ) break;
3486 int64_t tstmp = pkt.dts;
3487 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
3488 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3489 if( vid->nudge != AV_NOPTS_VALUE ) tstmp -= vid->nudge;
3490 double secs = to_secs(tstmp, st->time_base);
3491 int64_t frm = secs * vid->frame_rate + 0.5;
3492 if( frm < 0 ) frm = 0;
3493 index_state->put_video_mark(vidx, frm, pkt.pos);
3496 ret = avcodec_send_packet(vid->avctx, pkt);
3497 if( ret < 0 ) break;
3498 while( (ret=vid->decode_frame(frame)) > 0 ) {}
3501 case AVMEDIA_TYPE_AUDIO: {
3502 int aidx = ffaudio.size();
3503 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3504 if( aidx < 0 ) break;
3505 FFAudioStream *aud = ffaudio[aidx];
3506 if( !aud->avctx ) break;
3507 int64_t tstmp = pkt.pts;
3508 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
3509 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3510 if( aud->nudge != AV_NOPTS_VALUE ) tstmp -= aud->nudge;
3511 double secs = to_secs(tstmp, st->time_base);
3512 int64_t sample = secs * aud->sample_rate + 0.5;
3514 index_state->put_audio_mark(aidx, sample, pkt.pos);
3516 ret = avcodec_send_packet(aud->avctx, &pkt);
3517 if( ret < 0 ) break;
3518 int ch = aud->channel0, nch = aud->channels;
3519 int64_t pos = index_state->pos(ch);
3520 if( pos != aud->curr_pos ) {
3521 if( abs(pos-aud->curr_pos) > 1 )
3522 printf("audio%d pad %jd %jd (%jd)\n", aud->idx, pos, aud->curr_pos, pos-aud->curr_pos);
3523 index_state->pad_data(ch, nch, aud->curr_pos);
3525 while( (ret=aud->decode_frame(frame)) > 0 ) {
3526 //if( frame->channels != nch ) break;
3527 aud->init_swr(frame->channels, frame->format, frame->sample_rate);
3529 int len = aud->get_samples(samples,
3530 &frame->extended_data[0], frame->nb_samples);
3531 pos = aud->curr_pos;
3532 if( (aud->curr_pos += len) >= 0 ) {
3534 samples += -pos * nch;
3535 len = aud->curr_pos;
3537 for( int i=0; i<nch; ++i )
3538 index_state->put_data(ch+i,nch,samples+i,len);
3545 av_frame_free(&frame);
3549 void FFStream::load_markers(IndexMarks &marks, double rate)
3552 int64_t sz = marks.size();
3553 int max_entries = fmt_ctx->max_index_size / sizeof(AVIndexEntry) - 1;
3554 int nb_ent = st->nb_index_entries;
3555 // some formats already have an index
3557 AVIndexEntry *ep = &st->index_entries[nb_ent-1];
3558 int64_t tstmp = ep->timestamp;
3559 if( nudge != AV_NOPTS_VALUE ) tstmp -= nudge;
3560 double secs = ffmpeg->to_secs(tstmp, st->time_base);
3561 int64_t no = secs * rate;
3562 while( in < sz && marks[in].no <= no ) ++in;
3564 int64_t len = sz - in;
3565 int64_t count = max_entries - nb_ent;
3566 if( count > len ) count = len;
3567 for( int i=0; i<count; ++i ) {
3568 int k = in + i * len / count;
3569 int64_t no = marks[k].no, pos = marks[k].pos;
3570 double secs = (double)no / rate;
3571 int64_t tstmp = secs * st->time_base.den / st->time_base.num;
3572 if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
3573 av_add_index_entry(st, pos, tstmp, 0, 0, AVINDEX_KEYFRAME);