10 // work arounds (centos)
13 #define INT64_MAX 9223372036854775807LL
15 #define MAX_RETRY 1000
18 #include "bccmodels.h"
20 #include "fileffmpeg.h"
23 #include "indexfile.h"
26 #include "mainerror.h"
31 #define VIDEO_INBUF_SIZE 0x10000
32 #define AUDIO_INBUF_SIZE 0x10000
33 #define VIDEO_REFILL_THRESH 0
34 #define AUDIO_REFILL_THRESH 0x1000
36 Mutex FFMPEG::fflock("FFMPEG::fflock");
38 static void ff_err(int ret, const char *fmt, ...)
43 vsnprintf(msg, sizeof(msg), fmt, ap);
45 char errmsg[BCSTRLEN];
46 av_strerror(ret, errmsg, sizeof(errmsg));
47 fprintf(stderr,_("%s err: %s\n"),msg, errmsg);
53 pkt.data = 0; pkt.size = 0;
55 void FFPacket::finit()
57 av_packet_unref(&pkt);
60 FFrame::FFrame(FFStream *fst)
63 frm = av_frame_alloc();
64 init = fst->init_frame(frm);
72 void FFrame::queue(int64_t pos)
78 void FFrame::dequeue()
83 int FFAudioStream::read(float *fp, long len)
91 while( --k >= 0 ) *fp++ = *op++;
92 if( op >= lmt ) op = bfr;
97 void FFAudioStream::realloc(long nsz, int nch, long len)
100 float *np = new float[bsz];
101 inp = np + read(np, len) * nch;
106 delete [] bfr; bfr = np;
109 void FFAudioStream::realloc(long nsz, int nch)
111 if( nsz > sz || this->nch != nch ) {
112 long len = this->nch != nch ? 0 : hpos;
113 if( len > sz ) len = sz;
115 realloc(nsz, nch, len);
119 void FFAudioStream::reserve(long nsz, int nch)
121 long len = (inp - outp) / nch;
123 if( nsz > sz || this->nch != nch ) {
124 if( this->nch != nch ) len = 0;
125 realloc(nsz, nch, len);
128 if( (len*=nch) > 0 && bfr != outp )
129 memmove(bfr, outp, len*sizeof(*bfr));
134 long FFAudioStream::used()
136 long len = inp>=outp ? inp-outp : inp-bfr + lmt-outp;
139 long FFAudioStream::avail()
142 if( in1 >= lmt ) in1 = bfr;
143 long len = outp >= in1 ? outp-in1 : outp-bfr + lmt-in1;
146 void FFAudioStream::reset_history()
152 void FFAudioStream::iseek(int64_t ofs)
154 outp = inp - ofs*nch;
155 if( outp < bfr ) outp += sz*nch;
158 float *FFAudioStream::get_outp(int ofs)
165 int64_t FFAudioStream::put_inp(int ofs)
168 return (inp-outp) / nch;
171 int FFAudioStream::write(const float *fp, long len)
179 while( --k >= 0 ) *ip++ = *fp++;
180 if( ip >= lmt ) ip = bfr;
187 int FFAudioStream::zero(long len)
195 while( --k >= 0 ) *ip++ = 0;
196 if( ip >= lmt ) ip = bfr;
203 // does not advance outp
204 int FFAudioStream::read(double *dp, long len, int ch)
207 float *op = outp + ch;
208 float *lmt1 = lmt + nch-1;
210 int k = (lmt1 - op) / nch;
213 while( --k >= 0 ) { *dp++ = *op; op += nch; }
214 if( op >= lmt ) op -= sz*nch;
219 // load linear buffer, no wrapping allowed, does not advance inp
220 int FFAudioStream::write(const double *dp, long len, int ch)
223 float *ip = inp + ch;
224 while( --n >= 0 ) { *ip = *dp++; ip += nch; }
229 FFStream::FFStream(FFMPEG *ffmpeg, AVStream *st, int fidx)
231 this->ffmpeg = ffmpeg;
234 frm_lock = new Mutex("FFStream::frm_lock");
240 nudge = AV_NOPTS_VALUE;
241 seek_pos = curr_pos = 0;
243 reading = writing = 0;
249 FFStream::~FFStream()
251 if( reading > 0 || writing > 0 ) avcodec_close(st->codec);
252 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
253 while( frms.first ) frms.remove(frms.first);
254 if( filter_graph ) avfilter_graph_free(&filter_graph);
255 if( frame ) av_frame_free(&frame);
256 if( fframe ) av_frame_free(&fframe);
257 bsfilter.remove_all_objects();
261 void FFStream::ff_lock(const char *cp)
263 FFMPEG::fflock.lock(cp);
266 void FFStream::ff_unlock()
268 FFMPEG::fflock.unlock();
271 void FFStream::queue(FFrame *frm)
273 frm_lock->lock("FFStream::queue");
277 ffmpeg->mux_lock->unlock();
280 void FFStream::dequeue(FFrame *frm)
282 frm_lock->lock("FFStream::dequeue");
284 frms.remove_pointer(frm);
288 int FFStream::encode_activate()
291 writing = ffmpeg->encode_activate();
295 int FFStream::decode_activate()
297 if( reading < 0 && (reading=ffmpeg->decode_activate()) > 0 ) {
298 ff_lock("FFStream::decode_activate");
300 AVDictionary *copts = 0;
301 av_dict_copy(&copts, ffmpeg->opts, 0);
303 // this should be avformat_copy_context(), but no copy avail
304 ret = avformat_open_input(&fmt_ctx, ffmpeg->fmt_ctx->filename, NULL, &copts);
306 ret = avformat_find_stream_info(fmt_ctx, 0);
307 st = fmt_ctx->streams[fidx];
311 AVCodecID codec_id = st->codec->codec_id;
312 AVCodec *decoder = avcodec_find_decoder(codec_id);
313 ret = avcodec_open2(st->codec, decoder, &copts);
317 eprintf(_("open decoder failed\n"));
320 eprintf(_("can't clone input file\n"));
321 av_dict_free(&copts);
327 int FFStream::read_packet()
329 av_packet_unref(ipkt);
330 int ret = av_read_frame(fmt_ctx, ipkt);
333 if( ret == AVERROR_EOF ) {
334 ipkt->stream_index = st->index;
337 ff_err(ret, "FFStream::read_packet: av_read_frame failed\n");
344 int FFStream::decode(AVFrame *frame)
347 int retries = MAX_RETRY;
350 while( ret >= 0 && !flushed && --retries >= 0 && !got_frame ) {
353 if( (ret=read_packet()) < 0 ) break;
355 if( ipkt->stream_index == st->index ) {
356 while( (ipkt->size > 0 || !ipkt->data) && !got_frame ) {
357 ret = decode_frame(ipkt, frame, got_frame);
358 if( ret < 0 ) need_packet = 1;
359 if( ret <= 0 || !ipkt->data ) break;
372 fprintf(stderr, "FFStream::decode: Retry limit\n");
376 fprintf(stderr, "FFStream::decode: failed\n");
381 int FFStream::load_filter(AVFrame *frame)
383 int ret = av_buffersrc_add_frame_flags(buffersrc_ctx,
384 frame, AV_BUFFERSRC_FLAG_KEEP_REF);
386 av_frame_unref(frame);
387 eprintf(_("av_buffersrc_add_frame_flags failed\n"));
392 int FFStream::read_filter(AVFrame *frame)
394 int ret = av_buffersink_get_frame(buffersink_ctx, frame);
396 if( ret == AVERROR(EAGAIN) ) return 0;
397 if( ret == AVERROR_EOF ) { st_eof(1); return -1; }
398 ff_err(ret, "FFStream::read_filter: av_buffersink_get_frame failed\n");
404 int FFStream::read_frame(AVFrame *frame)
406 if( !filter_graph || !buffersrc_ctx || !buffersink_ctx )
407 return decode(frame);
408 if( !fframe && !(fframe=av_frame_alloc()) ) {
409 fprintf(stderr, "FFStream::read_frame: av_frame_alloc failed\n");
413 while( !flushed && !(ret=read_filter(frame)) ) {
414 if( (ret=decode(fframe)) < 0 ) break;
415 if( ret > 0 && (ret=load_filter(fframe)) < 0 ) break;
420 int FFStream::write_packet(FFPacket &pkt)
423 av_packet_rescale_ts(pkt, st->codec->time_base, st->time_base);
424 pkt->stream_index = st->index;
425 return av_interleaved_write_frame(ffmpeg->fmt_ctx, pkt);
428 int FFStream::flush()
436 ret = encode_frame(pkt, 0, got_packet);
437 if( ret < 0 || !got_packet ) break;
438 ret = write_packet(pkt);
441 ff_err(ret, "FFStream::flush");
442 return ret >= 0 ? 0 : 1;
445 int FFStream::seek(int64_t no, double rate)
447 int64_t tstmp = -INT64_MAX+1;
448 // default ffmpeg native seek
450 int64_t pos = no, plmt = -1;
451 IndexMarks *index_markers = get_markers();
452 if( index_markers && index_markers->size() > 1 ) {
453 IndexMarks &marks = *index_markers;
454 int i = marks.find(pos);
455 int64_t n = i < 0 ? (i=0) : marks[i].no;
456 // if indexed seek point not too far away (<30 secs), use index
457 if( no-n < 30*rate ) {
460 if( i < marks.size() ) plmt = marks[i].pos;
465 double secs = pos / rate;
466 tstmp = secs * st->time_base.den / st->time_base.num;
467 if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
469 int ret = avformat_seek_file(fmt_ctx, st->index,
470 -INT64_MAX, tstmp, INT64_MAX, AVSEEK_FLAG_ANY);
472 avcodec_flush_buffers(st->codec);
473 ipkt.finit(); ipkt.init();
474 need_packet = 0; flushed = 0;
475 seeked = 1; st_eof(0);
476 // read up to retry packets, limited to npkts in stream, and not past pkt.pos plmt
478 if( read_packet() <= 0 ) { ret = -1; break; }
479 if( plmt >= 0 && ipkt->pos >= plmt ) break;
480 if( ipkt->stream_index != st->index ) continue;
481 if( --npkts <= 0 ) break;
482 int64_t pkt_ts = ipkt->dts != AV_NOPTS_VALUE ? ipkt->dts : ipkt->pts;
483 if( pkt_ts == AV_NOPTS_VALUE ) continue;
484 if( pkt_ts >= tstmp ) break;
488 //printf("** seek fail %ld, %ld\n", pos, tstmp);
489 seeked = need_packet = 0;
493 //printf("seeked pos = %ld, %ld\n", pos, tstmp);
494 seek_pos = curr_pos = pos;
498 FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
499 : FFStream(ffmpeg, strm, fidx)
502 channel0 = channels = 0;
506 resample_context = 0;
515 bfr = new float[bsz];
520 FFAudioStream::~FFAudioStream()
522 if( resample_context ) swr_free(&resample_context);
527 int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
529 samples = *(float **)data;
530 if( resample_context ) {
531 if( len > aud_bfr_sz ) {
537 aud_bfr = new float[aud_bfr_sz*channels];
539 int ret = swr_convert(resample_context,
540 (uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
542 ff_err(ret, "FFAudioStream::get_samples: swr_convert failed\n");
551 int FFAudioStream::load_history(uint8_t **data, int len)
554 len = get_samples(samples, data, len);
556 // biggest user bfr since seek + frame
557 realloc(mbsz + len + 1, channels);
563 int FFAudioStream::decode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame)
565 int first_frame = seeked; seeked = 0;
566 int ret = avcodec_decode_audio4(st->codec, frame, &got_frame, pkt);
568 if( first_frame ) return 0;
569 ff_err(ret, "FFAudioStream::decode_frame: Could not read audio frame\n");
573 int64_t pkt_ts = av_frame_get_best_effort_timestamp(frame);
574 if( pkt_ts != AV_NOPTS_VALUE )
575 curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * sample_rate + 0.5;
580 int FFAudioStream::encode_activate()
582 if( writing >= 0 ) return writing;
583 AVCodecContext *ctx = st->codec;
584 frame_sz = ctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE ?
585 10000 : ctx->frame_size;
586 return FFStream::encode_activate();
589 int FFAudioStream::nb_samples()
591 AVCodecContext *ctx = st->codec;
592 return ctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE ?
593 10000 : ctx->frame_size;
596 int64_t FFAudioStream::load_buffer(double ** const sp, int len)
598 reserve(len+1, st->codec->channels);
599 for( int ch=0; ch<nch; ++ch )
600 write(sp[ch], len, ch);
604 int FFAudioStream::in_history(int64_t pos)
606 if( pos > curr_pos ) return 0;
608 if( len > sz ) len = sz;
609 if( pos < curr_pos - len ) return 0;
614 int FFAudioStream::init_frame(AVFrame *frame)
616 AVCodecContext *ctx = st->codec;
617 frame->nb_samples = frame_sz;
618 frame->format = ctx->sample_fmt;
619 frame->channel_layout = ctx->channel_layout;
620 frame->sample_rate = ctx->sample_rate;
621 int ret = av_frame_get_buffer(frame, 0);
623 ff_err(ret, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
627 int FFAudioStream::load(int64_t pos, int len)
629 if( audio_seek(pos) < 0 ) return -1;
630 if( !frame && !(frame=av_frame_alloc()) ) {
631 fprintf(stderr, "FFAudioStream::load: av_frame_alloc failed\n");
634 if( mbsz < len ) mbsz = len;
635 int64_t end_pos = pos + len;
637 for( int i=0; ret>=0 && !flushed && curr_pos<end_pos && i<MAX_RETRY; ++i ) {
638 ret = read_frame(frame);
640 load_history(&frame->extended_data[0], frame->nb_samples);
641 curr_pos += frame->nb_samples;
644 if( end_pos > curr_pos ) {
645 zero(end_pos - curr_pos);
648 len = curr_pos - pos;
653 int FFAudioStream::audio_seek(int64_t pos)
655 if( decode_activate() < 0 ) return -1;
656 if( !st->codec || !st->codec->codec ) return -1;
657 if( in_history(pos) ) return 0;
658 if( pos == curr_pos ) return 0;
659 reset_history(); mbsz = 0;
660 // guarentee preload > 1sec samples
661 if( seek(pos-sample_rate, sample_rate) < 0 ) return -1;
665 int FFAudioStream::encode(double **samples, int len)
667 if( encode_activate() <= 0 ) return -1;
670 int64_t count = load_buffer(samples, len);
673 while( ret >= 0 && count >= frame_sz ) {
674 frm = new FFrame(this);
675 if( (ret=frm->initted()) < 0 ) break;
676 AVFrame *frame = *frm;
677 float *bfrp = get_outp(frame_sz);
678 ret = swr_convert(resample_context,
679 (uint8_t **)frame->extended_data, frame_sz,
680 (const uint8_t **)&bfrp, frame_sz);
682 ff_err(ret, "FFAudioStream::encode: swr_convert failed\n");
685 frm->queue(curr_pos);
687 curr_pos += frame_sz;
692 return ret >= 0 ? 0 : 1;
695 int FFAudioStream::encode_frame(AVPacket *pkt, AVFrame *frame, int &got_packet)
697 int ret = avcodec_encode_audio2(st->codec, pkt, frame, &got_packet);
699 ff_err(ret, "FFAudioStream::encode_frame: encode audio failed\n");
705 void FFAudioStream::load_markers()
707 IndexState *index_state = ffmpeg->file_base->asset->index_state;
708 if( !index_state || idx >= index_state->audio_markers.size() ) return;
709 if( index_state->marker_status == MARKERS_NOTTESTED ) return;
710 FFStream::load_markers(*index_state->audio_markers[idx], sample_rate);
713 IndexMarks *FFAudioStream::get_markers()
715 IndexState *index_state = ffmpeg->file_base->asset->index_state;
716 if( !index_state || idx >= index_state->audio_markers.size() ) return 0;
717 return index_state->audio_markers[idx];
720 FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
721 : FFStream(ffmpeg, strm, fidx)
730 FFVideoStream::~FFVideoStream()
734 int FFVideoStream::decode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame)
736 int first_frame = seeked; seeked = 0;
737 int ret = avcodec_decode_video2(st->codec, frame, &got_frame, pkt);
739 if( first_frame ) return 0;
740 ff_err(ret, "FFVideoStream::decode_frame: Could not read video frame\n");
743 else // this is right out of ffplay, looks questionable ???
747 int64_t pkt_ts = av_frame_get_best_effort_timestamp(frame);
748 if( pkt_ts != AV_NOPTS_VALUE )
749 curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * frame_rate + 0.5;
754 int FFVideoStream::load(VFrame *vframe, int64_t pos)
756 int ret = video_seek(pos);
757 if( ret < 0 ) return -1;
758 if( !frame && !(frame=av_frame_alloc()) ) {
759 fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
762 for( int i=0; ret>=0 && !flushed && curr_pos<=pos && i<MAX_RETRY; ++i ) {
763 ret = read_frame(frame);
764 if( ret > 0 ) ++curr_pos;
766 if( frame->format == AV_PIX_FMT_NONE || frame->width <= 0 || frame->height <= 0 )
769 ret = convert_cmodel(vframe, frame);
771 ret = ret > 0 ? 1 : ret < 0 ? -1 : 0;
775 int FFVideoStream::video_seek(int64_t pos)
777 if( decode_activate() < 0 ) return -1;
778 if( !st->codec || !st->codec->codec ) return -1;
779 if( pos == curr_pos-1 && !seeked ) return 0;
780 // if close enough, just read up to current
781 int gop = st->codec->gop_size;
782 if( gop < 4 ) gop = 4;
783 if( gop > 64 ) gop = 64;
784 int read_limit = curr_pos + 3*gop;
785 if( pos >= curr_pos && pos <= read_limit ) return 0;
786 // guarentee preload more than 2*gop frames
787 if( seek(pos - 3*gop, frame_rate) < 0 ) return -1;
791 int FFVideoStream::init_frame(AVFrame *picture)
793 AVCodecContext *ctx = st->codec;
794 picture->format = ctx->pix_fmt;
795 picture->width = ctx->width;
796 picture->height = ctx->height;
797 int ret = av_frame_get_buffer(picture, 32);
801 int FFVideoStream::encode(VFrame *vframe)
803 if( encode_activate() <= 0 ) return -1;
805 FFrame *picture = new FFrame(this);
806 int ret = picture->initted();
808 AVFrame *frame = *picture;
809 frame->pts = curr_pos;
810 ret = convert_pixfmt(vframe, frame);
813 picture->queue(curr_pos);
817 fprintf(stderr, "FFVideoStream::encode: encode failed\n");
820 return ret >= 0 ? 0 : 1;
823 int FFVideoStream::encode_frame(AVPacket *pkt, AVFrame *frame, int &got_packet)
825 int ret = avcodec_encode_video2(st->codec, pkt, frame, &got_packet);
827 ff_err(ret, "FFVideoStream::encode_frame: encode video failed\n");
833 AVPixelFormat FFVideoConvert::color_model_to_pix_fmt(int color_model)
835 switch( color_model ) {
836 case BC_YUV422: return AV_PIX_FMT_YUYV422;
837 case BC_RGB888: return AV_PIX_FMT_RGB24;
838 case BC_RGBA8888: return AV_PIX_FMT_RGBA;
839 case BC_BGR8888: return AV_PIX_FMT_BGR0;
840 case BC_BGR888: return AV_PIX_FMT_BGR24;
841 case BC_ARGB8888: return AV_PIX_FMT_ARGB;
842 case BC_ABGR8888: return AV_PIX_FMT_ABGR;
843 case BC_RGB8: return AV_PIX_FMT_RGB8;
844 case BC_YUV420P: return AV_PIX_FMT_YUV420P;
845 case BC_YUV422P: return AV_PIX_FMT_YUV422P;
846 case BC_YUV444P: return AV_PIX_FMT_YUV444P;
847 case BC_YUV411P: return AV_PIX_FMT_YUV411P;
848 case BC_RGB565: return AV_PIX_FMT_RGB565;
849 case BC_RGB161616: return AV_PIX_FMT_RGB48LE;
850 case BC_RGBA16161616: return AV_PIX_FMT_RGBA64LE;
851 case BC_AYUV16161616: return AV_PIX_FMT_AYUV64LE;
855 return AV_PIX_FMT_NB;
858 int FFVideoConvert::pix_fmt_to_color_model(AVPixelFormat pix_fmt)
861 case AV_PIX_FMT_YUYV422: return BC_YUV422;
862 case AV_PIX_FMT_RGB24: return BC_RGB888;
863 case AV_PIX_FMT_RGBA: return BC_RGBA8888;
864 case AV_PIX_FMT_BGR0: return BC_BGR8888;
865 case AV_PIX_FMT_BGR24: return BC_BGR888;
866 case AV_PIX_FMT_ARGB: return BC_ARGB8888;
867 case AV_PIX_FMT_ABGR: return BC_ABGR8888;
868 case AV_PIX_FMT_RGB8: return BC_RGB8;
869 case AV_PIX_FMT_YUV420P: return BC_YUV420P;
870 case AV_PIX_FMT_YUV422P: return BC_YUV422P;
871 case AV_PIX_FMT_YUV444P: return BC_YUV444P;
872 case AV_PIX_FMT_YUV411P: return BC_YUV411P;
873 case AV_PIX_FMT_RGB565: return BC_RGB565;
874 case AV_PIX_FMT_RGB48LE: return BC_RGB161616;
875 case AV_PIX_FMT_RGBA64LE: return BC_RGBA16161616;
876 case AV_PIX_FMT_AYUV64LE: return BC_AYUV16161616;
883 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip)
885 AVFrame *ipic = av_frame_alloc();
886 int ret = convert_picture_vframe(frame, ip, ipic);
887 av_frame_free(&ipic);
891 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip, AVFrame *ipic)
893 int cmodel = frame->get_color_model();
894 AVPixelFormat ofmt = color_model_to_pix_fmt(cmodel);
895 if( ofmt == AV_PIX_FMT_NB ) return -1;
896 int size = av_image_fill_arrays(ipic->data, ipic->linesize,
897 frame->get_data(), ofmt, frame->get_w(), frame->get_h(), 1);
898 if( size < 0 ) return -1;
900 int bpp = BC_CModels::calculate_pixelsize(cmodel);
901 int ysz = bpp * frame->get_w(), usz = ysz;
910 // override av_image_fill_arrays() for planar types
911 ipic->data[0] = frame->get_y(); ipic->linesize[0] = ysz;
912 ipic->data[1] = frame->get_u(); ipic->linesize[1] = usz;
913 ipic->data[2] = frame->get_v(); ipic->linesize[2] = usz;
916 ipic->data[0] = frame->get_data();
917 ipic->linesize[0] = frame->get_bytes_per_line();
921 AVPixelFormat pix_fmt = (AVPixelFormat)ip->format;
922 convert_ctx = sws_getCachedContext(convert_ctx, ip->width, ip->height, pix_fmt,
923 frame->get_w(), frame->get_h(), ofmt, SWS_POINT, NULL, NULL, NULL);
925 fprintf(stderr, "FFVideoConvert::convert_picture_frame:"
926 " sws_getCachedContext() failed\n");
929 int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ip->height,
930 ipic->data, ipic->linesize);
932 ff_err(ret, "FFVideoConvert::convert_picture_frame: sws_scale() failed\n");
938 int FFVideoConvert::convert_cmodel(VFrame *frame, AVFrame *ip)
940 // try direct transfer
941 if( !convert_picture_vframe(frame, ip) ) return 1;
942 // use indirect transfer
943 AVPixelFormat ifmt = (AVPixelFormat)ip->format;
944 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(ifmt);
946 for( int i = 0; i <desc->nb_components; ++i ) {
947 int bits = desc->comp[i].depth;
948 if( bits > max_bits ) max_bits = bits;
950 int imodel = pix_fmt_to_color_model(ifmt);
951 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
952 int cmodel = frame->get_color_model();
953 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
954 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
955 imodel = cmodel_is_yuv ?
956 (BC_CModels::has_alpha(cmodel) ?
958 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
959 (BC_CModels::has_alpha(cmodel) ?
960 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
961 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
963 VFrame vframe(ip->width, ip->height, imodel);
964 if( convert_picture_vframe(&vframe, ip) ) return -1;
965 frame->transfer_from(&vframe);
969 int FFVideoConvert::transfer_cmodel(VFrame *frame, AVFrame *ifp)
971 int ret = convert_cmodel(frame, ifp);
973 const AVDictionary *src = av_frame_get_metadata(ifp);
974 AVDictionaryEntry *t = NULL;
975 BC_Hash *hp = frame->get_params();
977 while( (t=av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX)) )
978 hp->update(t->key, t->value);
983 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op)
985 AVFrame *opic = av_frame_alloc();
986 int ret = convert_vframe_picture(frame, op, opic);
987 av_frame_free(&opic);
991 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op, AVFrame *opic)
993 int cmodel = frame->get_color_model();
994 AVPixelFormat ifmt = color_model_to_pix_fmt(cmodel);
995 if( ifmt == AV_PIX_FMT_NB ) return -1;
996 int size = av_image_fill_arrays(opic->data, opic->linesize,
997 frame->get_data(), ifmt, frame->get_w(), frame->get_h(), 1);
998 if( size < 0 ) return -1;
1000 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1001 int ysz = bpp * frame->get_w(), usz = ysz;
1010 // override av_image_fill_arrays() for planar types
1011 opic->data[0] = frame->get_y(); opic->linesize[0] = ysz;
1012 opic->data[1] = frame->get_u(); opic->linesize[1] = usz;
1013 opic->data[2] = frame->get_v(); opic->linesize[2] = usz;
1016 opic->data[0] = frame->get_data();
1017 opic->linesize[0] = frame->get_bytes_per_line();
1021 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1022 convert_ctx = sws_getCachedContext(convert_ctx, frame->get_w(), frame->get_h(),
1023 ifmt, op->width, op->height, ofmt, SWS_POINT, NULL, NULL, NULL);
1024 if( !convert_ctx ) {
1025 fprintf(stderr, "FFVideoConvert::convert_frame_picture:"
1026 " sws_getCachedContext() failed\n");
1029 int ret = sws_scale(convert_ctx, opic->data, opic->linesize, 0, frame->get_h(),
1030 op->data, op->linesize);
1032 ff_err(ret, "FFVideoConvert::convert_frame_picture: sws_scale() failed\n");
1038 int FFVideoConvert::convert_pixfmt(VFrame *frame, AVFrame *op)
1040 // try direct transfer
1041 if( !convert_vframe_picture(frame, op) ) return 1;
1042 // use indirect transfer
1043 int cmodel = frame->get_color_model();
1044 int max_bits = BC_CModels::calculate_pixelsize(cmodel) * 8;
1045 max_bits /= BC_CModels::components(cmodel);
1046 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1047 int imodel = pix_fmt_to_color_model(ofmt);
1048 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1049 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1050 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1051 imodel = cmodel_is_yuv ?
1052 (BC_CModels::has_alpha(cmodel) ?
1054 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1055 (BC_CModels::has_alpha(cmodel) ?
1056 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1057 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1059 VFrame vframe(frame->get_w(), frame->get_h(), imodel);
1060 vframe.transfer_from(frame);
1061 if( !convert_vframe_picture(&vframe, op) ) return 1;
1065 int FFVideoConvert::transfer_pixfmt(VFrame *frame, AVFrame *ofp)
1067 int ret = convert_pixfmt(frame, ofp);
1069 BC_Hash *hp = frame->get_params();
1070 AVDictionary **dict = avpriv_frame_get_metadatap(ofp);
1071 //av_dict_free(dict);
1072 for( int i=0; i<hp->size(); ++i ) {
1073 char *key = hp->get_key(i), *val = hp->get_value(i);
1074 av_dict_set(dict, key, val, 0);
1080 void FFVideoStream::load_markers()
1082 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1083 if( !index_state || idx >= index_state->video_markers.size() ) return;
1084 FFStream::load_markers(*index_state->video_markers[idx], frame_rate);
1087 IndexMarks *FFVideoStream::get_markers()
1089 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1090 if( !index_state || idx >= index_state->video_markers.size() ) return 0;
1091 return !index_state ? 0 : index_state->video_markers[idx];
1095 FFMPEG::FFMPEG(FileBase *file_base)
1098 this->file_base = file_base;
1099 memset(file_format,0,sizeof(file_format));
1100 mux_lock = new Condition(0,"FFMPEG::mux_lock",0);
1101 flow_lock = new Condition(1,"FFStream::flow_lock",0);
1104 decoding = encoding = 0;
1105 has_audio = has_video = 0;
1108 opt_video_filter = 0;
1109 opt_audio_filter = 0;
1110 char option_path[BCTEXTLEN];
1111 set_option_path(option_path, "%s", "ffmpeg.opts");
1112 read_options(option_path, opts);
1117 ff_lock("FFMPEG::~FFMPEG()");
1119 ffaudio.remove_all_objects();
1120 ffvideo.remove_all_objects();
1121 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
1125 av_dict_free(&opts);
1126 delete [] opt_video_filter;
1127 delete [] opt_audio_filter;
1130 int FFMPEG::check_sample_rate(AVCodec *codec, int sample_rate)
1132 const int *p = codec->supported_samplerates;
1133 if( !p ) return sample_rate;
1135 if( *p == sample_rate ) return *p;
1141 static inline AVRational std_frame_rate(int i)
1143 static const int m1 = 1001*12, m2 = 1000*12;
1144 static const int freqs[] = {
1145 40*m1, 48*m1, 50*m1, 60*m1, 80*m1,120*m1, 240*m1,
1146 24*m2, 30*m2, 60*m2, 12*m2, 15*m2, 48*m2, 0,
1148 int freq = i<30*12 ? (i+1)*1001 : freqs[i-30*12];
1149 return (AVRational) { freq, 1001*12 };
1152 AVRational FFMPEG::check_frame_rate(AVCodec *codec, double frame_rate)
1154 const AVRational *p = codec->supported_framerates;
1155 AVRational rate, best_rate = (AVRational) { 0, 0 };
1156 double max_err = 1.; int i = 0;
1157 while( ((p ? (rate=*p++) : (rate=std_frame_rate(i++))), rate.num) != 0 ) {
1158 double framerate = (double) rate.num / rate.den;
1159 double err = fabs(frame_rate/framerate - 1.);
1160 if( err >= max_err ) continue;
1164 return max_err < 0.0001 ? best_rate : (AVRational) { 0, 0 };
1167 AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset)
1170 double display_aspect = asset->width / (double)asset->height;
1171 double sample_aspect = asset->aspect_ratio / display_aspect;
1172 int width = 1000000, height = width * sample_aspect + 0.5;
1174 MWindow::create_aspect_ratio(w, h, width, height);
1175 return (AVRational){(int)h, (int)w};
1178 return (AVRational){1, 1};
1182 AVRational FFMPEG::to_time_base(int sample_rate)
1184 return (AVRational){1, sample_rate};
1187 void FFMPEG::set_option_path(char *path, const char *fmt, ...)
1189 char *ep = path + BCTEXTLEN-1;
1190 strncpy(path, File::get_cindat_path(), ep-path);
1191 strncat(path, "/ffmpeg/", ep-path);
1192 path += strlen(path);
1195 path += vsnprintf(path, ep-path, fmt, ap);
1200 void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
1205 set_option_path(path, "%s/%s", type, spec);
1208 int FFMPEG::get_format(char *format, const char *path, const char *spec)
1210 char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
1211 get_option_path(option_path, path, spec);
1212 FILE *fp = fopen(option_path,"r");
1215 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1217 line[sizeof(line)-1] = 0;
1218 ret = scan_option_line(line, format, codec);
1224 int FFMPEG::get_codec(char *codec, const char *path, const char *spec)
1226 char option_path[BCTEXTLEN], line[BCTEXTLEN], format[BCTEXTLEN];
1227 get_option_path(option_path, path, spec);
1228 FILE *fp = fopen(option_path,"r");
1231 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1234 line[sizeof(line)-1] = 0;
1235 ret = scan_option_line(line, format, codec);
1238 char *vp = codec, *ep = vp+BCTEXTLEN-1;
1239 while( vp < ep && *vp && *vp != '|' ) ++vp;
1240 if( *vp == '|' ) --vp;
1241 while( vp > codec && (*vp==' ' || *vp=='\t') ) *vp-- = 0;
1246 int FFMPEG::get_file_format()
1249 char audio_format[BCSTRLEN], video_format[BCSTRLEN];
1250 file_format[0] = audio_format[0] = video_format[0] = 0;
1251 Asset *asset = file_base->asset;
1252 if( !ret && asset->audio_data )
1253 ret = get_format(audio_format, "audio", asset->acodec);
1254 if( !ret && asset->video_data )
1255 ret = get_format(video_format, "video", asset->vcodec);
1256 if( !ret && !audio_format[0] && !video_format[0] )
1258 if( !ret && audio_format[0] && video_format[0] &&
1259 strcmp(audio_format, video_format) ) ret = -1;
1261 strcpy(file_format, audio_format[0] ? audio_format : video_format);
1265 int FFMPEG::scan_option_line(char *cp, char *tag, char *val)
1267 while( *cp == ' ' || *cp == '\t' ) ++cp;
1269 while( *cp && *cp != ' ' && *cp != '\t' && *cp != '=' ) ++cp;
1271 if( !len || len > BCSTRLEN-1 ) return 1;
1272 while( bp < cp ) *tag++ = *bp++;
1274 while( *cp == ' ' || *cp == '\t' ) ++cp;
1275 if( *cp == '=' ) ++cp;
1276 while( *cp == ' ' || *cp == '\t' ) ++cp;
1278 while( *cp && *cp != '\n' ) ++cp;
1280 if( len > BCTEXTLEN-1 ) return 1;
1281 while( bp < cp ) *val++ = *bp++;
1286 int FFMPEG::load_defaults(const char *path, const char *type,
1287 char *codec, char *codec_options, int len)
1289 char default_file[BCTEXTLEN];
1290 FFMPEG::set_option_path(default_file, "%s/%s.dfl", path, type);
1291 FILE *fp = fopen(default_file,"r");
1293 fgets(codec, BCSTRLEN, fp);
1295 while( *cp && *cp!='\n' ) ++cp;
1297 while( len > 0 && fgets(codec_options, len, fp) ) {
1298 int n = strlen(codec_options);
1299 codec_options += n; len -= n;
1302 FFMPEG::set_option_path(default_file, "%s/%s", path, codec);
1303 return FFMPEG::load_options(default_file, codec_options, len);
1306 void FFMPEG::set_asset_format(Asset *asset, const char *text)
1308 if( asset->format != FILE_FFMPEG ) return;
1309 strcpy(asset->fformat, text);
1310 if( !asset->ff_audio_options[0] ) {
1311 asset->audio_data = !load_defaults("audio", text, asset->acodec,
1312 asset->ff_audio_options, sizeof(asset->ff_audio_options));
1314 if( !asset->ff_video_options[0] ) {
1315 asset->video_data = !load_defaults("video", text, asset->vcodec,
1316 asset->ff_video_options, sizeof(asset->ff_video_options));
1320 int FFMPEG::get_encoder(const char *options,
1321 char *format, char *codec, char *bsfilter, char *bsargs)
1323 FILE *fp = fopen(options,"r");
1325 eprintf(_("options open failed %s\n"),options);
1328 if( get_encoder(fp, format, codec, bsfilter, bsargs) )
1329 eprintf(_("format/codec not found %s\n"), options);
1334 int FFMPEG::get_encoder(FILE *fp,
1335 char *format, char *codec, char *bsfilter, char *bsargs)
1337 format[0] = codec[0] = bsfilter[0] = bsargs[0] = 0;
1338 char line[BCTEXTLEN];
1339 if( !fgets(line, sizeof(line), fp) ) return 1;
1340 line[sizeof(line)-1] = 0;
1341 if( scan_option_line(line, format, codec) ) return 1;
1343 while( *cp && *cp != '|' ) ++cp;
1344 if( !*cp ) return 0;
1345 if( scan_option_line(cp+1, bsfilter, bsargs) ) return 1;
1346 do { *cp-- = 0; } while( cp>=codec && (*cp==' ' || *cp == '\t' ) );
1350 int FFMPEG::read_options(const char *options, AVDictionary *&opts)
1352 FILE *fp = fopen(options,"r");
1354 int ret = read_options(fp, options, opts);
1359 int FFMPEG::scan_options(const char *options, AVDictionary *&opts, AVStream *st)
1361 FILE *fp = fmemopen((void *)options,strlen(options),"r");
1363 int ret = read_options(fp, options, opts);
1365 AVDictionaryEntry *tag = av_dict_get(opts, "id", NULL, 0);
1366 if( tag ) st->id = strtol(tag->value,0,0);
1370 int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
1372 int ret = 0, no = 0;
1373 char line[BCTEXTLEN];
1374 while( !ret && fgets(line, sizeof(line), fp) ) {
1375 line[sizeof(line)-1] = 0;
1377 if( line[0] == '#' ) continue;
1378 if( line[0] == '\n' ) continue;
1379 char key[BCSTRLEN], val[BCTEXTLEN];
1380 if( scan_option_line(line, key, val) ) {
1381 eprintf(_("err reading %s: line %d\n"), options, no);
1385 if( !strcmp(key, "duration") )
1386 opt_duration = strtod(val, 0);
1387 else if( !strcmp(key, "video_filter") )
1388 opt_video_filter = cstrdup(val);
1389 else if( !strcmp(key, "audio_filter") )
1390 opt_audio_filter = cstrdup(val);
1391 else if( !strcmp(key, "loglevel") )
1394 av_dict_set(&opts, key, val, 0);
1400 int FFMPEG::load_options(const char *options, AVDictionary *&opts)
1402 char option_path[BCTEXTLEN];
1403 set_option_path(option_path, "%s", options);
1404 return read_options(option_path, opts);
1407 int FFMPEG::load_options(const char *path, char *bfr, int len)
1410 FILE *fp = fopen(path, "r");
1412 fgets(bfr, len, fp); // skip hdr
1413 len = fread(bfr, 1, len-1, fp);
1414 if( len < 0 ) len = 0;
1420 void FFMPEG::set_loglevel(const char *ap)
1422 if( !ap || !*ap ) return;
1427 { "quiet" , AV_LOG_QUIET },
1428 { "panic" , AV_LOG_PANIC },
1429 { "fatal" , AV_LOG_FATAL },
1430 { "error" , AV_LOG_ERROR },
1431 { "warning", AV_LOG_WARNING },
1432 { "info" , AV_LOG_INFO },
1433 { "verbose", AV_LOG_VERBOSE },
1434 { "debug" , AV_LOG_DEBUG },
1436 for( int i=0; i<(int)(sizeof(log_levels)/sizeof(log_levels[0])); ++i ) {
1437 if( !strcmp(log_levels[i].name, ap) ) {
1438 av_log_set_level(log_levels[i].level);
1442 av_log_set_level(atoi(ap));
1445 double FFMPEG::to_secs(int64_t time, AVRational time_base)
1447 double base_time = time == AV_NOPTS_VALUE ? 0 :
1448 av_rescale_q(time, time_base, AV_TIME_BASE_Q);
1449 return base_time / AV_TIME_BASE;
1452 int FFMPEG::info(char *text, int len)
1454 if( len <= 0 ) return 0;
1456 #define report(s...) do { int n = snprintf(cp,len,s); cp += n; len -= n; } while(0)
1458 if( ffvideo.size() > 0 )
1459 report("\n%d video stream%s\n",ffvideo.size(), ffvideo.size()!=1 ? "s" : "");
1460 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
1461 FFVideoStream *vid = ffvideo[vidx];
1462 AVStream *st = vid->st;
1463 AVCodecContext *avctx = st->codec;
1464 report(_("vid%d (%d), id 0x%06x:\n"), vid->idx, vid->fidx, avctx->codec_id);
1465 const AVCodecDescriptor *desc = avcodec_descriptor_get(avctx->codec_id);
1466 report(" video%d %s", vidx+1, desc ? desc->name : " (unkn)");
1467 report(" %dx%d %5.2f", vid->width, vid->height, vid->frame_rate);
1468 const char *pfn = av_get_pix_fmt_name(avctx->pix_fmt);
1469 report(" pix %s\n", pfn ? pfn : "(unkn)");
1470 double secs = to_secs(st->duration, st->time_base);
1471 int64_t length = secs * vid->frame_rate + 0.5;
1472 double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
1473 int64_t nudge = ofs * vid->frame_rate;
1474 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
1475 report(" %jd%c%jd frms %0.2f secs", length,ch,nudge, secs);
1476 int hrs = secs/3600; secs -= hrs*3600;
1477 int mins = secs/60; secs -= mins*60;
1478 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
1480 if( ffaudio.size() > 0 )
1481 report("\n%d audio stream%s\n",ffaudio.size(), ffaudio.size()!=1 ? "s" : "");
1482 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
1483 FFAudioStream *aud = ffaudio[aidx];
1484 AVStream *st = aud->st;
1485 AVCodecContext *avctx = st->codec;
1486 report(_("aud%d (%d), id 0x%06x:\n"), aud->idx, aud->fidx, avctx->codec_id);
1487 const AVCodecDescriptor *desc = avcodec_descriptor_get(avctx->codec_id);
1488 int nch = aud->channels, ch0 = aud->channel0+1;
1489 report(" audio%d-%d %s", ch0, ch0+nch-1, desc ? desc->name : " (unkn)");
1490 const char *fmt = av_get_sample_fmt_name(avctx->sample_fmt);
1491 report(" %s %d", fmt, aud->sample_rate);
1492 int sample_bits = av_get_bits_per_sample(avctx->codec_id);
1493 report(" %dbits\n", sample_bits);
1494 double secs = to_secs(st->duration, st->time_base);
1495 int64_t length = secs * aud->sample_rate + 0.5;
1496 double ofs = to_secs((aud->nudge - st->start_time), st->time_base);
1497 int64_t nudge = ofs * aud->sample_rate;
1498 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
1499 report(" %jd%c%jd smpl %0.2f secs", length,ch,nudge, secs);
1500 int hrs = secs/3600; secs -= hrs*3600;
1501 int mins = secs/60; secs -= mins*60;
1502 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
1504 if( fmt_ctx->nb_programs > 0 )
1505 report("\n%d program%s\n",fmt_ctx->nb_programs, fmt_ctx->nb_programs!=1 ? "s" : "");
1506 for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
1507 report("program %d", i+1);
1508 AVProgram *pgrm = fmt_ctx->programs[i];
1509 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
1510 int idx = pgrm->stream_index[j];
1511 int vidx = ffvideo.size();
1512 while( --vidx>=0 && ffvideo[vidx]->fidx != idx );
1514 report(", vid%d", vidx);
1517 int aidx = ffaudio.size();
1518 while( --aidx>=0 && ffaudio[aidx]->fidx != idx );
1520 report(", aud%d", aidx);
1523 report(", (%d)", pgrm->stream_index[j]);
1528 AVDictionaryEntry *tag = 0;
1529 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
1530 report("%s=%s\n", tag->key, tag->value);
1539 int FFMPEG::init_decoder(const char *filename)
1541 ff_lock("FFMPEG::init_decoder");
1543 char file_opts[BCTEXTLEN];
1544 char *bp = strrchr(strcpy(file_opts, filename), '/');
1545 char *sp = strrchr(!bp ? file_opts : bp, '.');
1548 strcpy(sp, ".opts");
1549 fp = fopen(file_opts, "r");
1552 read_options(fp, file_opts, opts);
1556 load_options("decode.opts", opts);
1557 AVDictionary *fopts = 0;
1558 av_dict_copy(&fopts, opts, 0);
1559 int ret = avformat_open_input(&fmt_ctx, filename, NULL, &fopts);
1560 av_dict_free(&fopts);
1562 ret = avformat_find_stream_info(fmt_ctx, NULL);
1567 return !ret ? 0 : 1;
1570 int FFMPEG::open_decoder()
1573 if( stat(fmt_ctx->filename, &st) < 0 ) {
1574 eprintf(_("can't stat file: %s\n"), fmt_ctx->filename);
1578 int64_t file_bits = 8 * st.st_size;
1579 if( !fmt_ctx->bit_rate && opt_duration > 0 )
1580 fmt_ctx->bit_rate = file_bits / opt_duration;
1583 if( fmt_ctx->bit_rate > 0 ) {
1584 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
1585 AVStream *st = fmt_ctx->streams[i];
1586 if( st->duration != AV_NOPTS_VALUE ) continue;
1587 if( st->time_base.num > INT64_MAX / fmt_ctx->bit_rate ) continue;
1588 st->duration = av_rescale(file_bits, st->time_base.den,
1589 fmt_ctx->bit_rate * (int64_t) st->time_base.num);
1594 printf("FFMPEG::open_decoder: some stream times estimated\n");
1596 ff_lock("FFMPEG::open_decoder");
1597 int ret = 0, bad_time = 0;
1598 for( int i=0; !ret && i<(int)fmt_ctx->nb_streams; ++i ) {
1599 AVStream *st = fmt_ctx->streams[i];
1600 if( st->duration == AV_NOPTS_VALUE ) bad_time = 1;
1601 AVCodecContext *avctx = st->codec;
1602 const AVCodecDescriptor *codec_desc = avcodec_descriptor_get(avctx->codec_id);
1603 if( !codec_desc ) continue;
1604 if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
1605 if( avctx->width < 1 ) continue;
1606 if( avctx->height < 1 ) continue;
1607 AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
1608 if( framerate.num < 1 ) continue;
1610 int vidx = ffvideo.size();
1611 FFVideoStream *vid = new FFVideoStream(this, st, vidx, i);
1612 vstrm_index.append(ffidx(vidx, 0));
1613 ffvideo.append(vid);
1614 vid->width = avctx->width;
1615 vid->height = avctx->height;
1616 vid->frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
1617 double secs = to_secs(st->duration, st->time_base);
1618 vid->length = secs * vid->frame_rate;
1619 vid->aspect_ratio = (double)st->sample_aspect_ratio.num / st->sample_aspect_ratio.den;
1620 vid->nudge = st->start_time;
1622 if( opt_video_filter )
1623 ret = vid->create_filter(opt_video_filter, avctx,avctx);
1625 else if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
1626 if( avctx->channels < 1 ) continue;
1627 if( avctx->sample_rate < 1 ) continue;
1629 int aidx = ffaudio.size();
1630 FFAudioStream *aud = new FFAudioStream(this, st, aidx, i);
1631 ffaudio.append(aud);
1632 aud->channel0 = astrm_index.size();
1633 aud->channels = avctx->channels;
1634 for( int ch=0; ch<aud->channels; ++ch )
1635 astrm_index.append(ffidx(aidx, ch));
1636 aud->sample_rate = avctx->sample_rate;
1637 double secs = to_secs(st->duration, st->time_base);
1638 aud->length = secs * aud->sample_rate;
1639 if( avctx->sample_fmt != AV_SAMPLE_FMT_FLT ) {
1640 uint64_t layout = av_get_default_channel_layout(avctx->channels);
1641 if( !layout ) layout = ((uint64_t)1<<aud->channels) - 1;
1642 aud->resample_context = swr_alloc_set_opts(NULL,
1643 layout, AV_SAMPLE_FMT_FLT, avctx->sample_rate,
1644 layout, avctx->sample_fmt, avctx->sample_rate,
1646 swr_init(aud->resample_context);
1648 aud->nudge = st->start_time;
1650 if( opt_audio_filter )
1651 ret = aud->create_filter(opt_audio_filter, avctx,avctx);
1655 printf("FFMPEG::open_decoder: some stream have bad times\n");
1657 return ret < 0 ? -1 : 0;
1661 int FFMPEG::init_encoder(const char *filename)
1663 int fd = ::open(filename,O_WRONLY);
1664 if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
1666 eprintf(_("bad file path: %s\n"), filename);
1670 int ret = get_file_format();
1672 eprintf(_("bad file format: %s\n"), filename);
1676 eprintf(_("mismatch audio/video file format: %s\n"), filename);
1679 ff_lock("FFMPEG::init_encoder");
1681 avformat_alloc_output_context2(&fmt_ctx, 0, file_format, filename);
1683 eprintf(_("failed: %s\n"), filename);
1688 load_options("encode.opts", opts);
1694 int FFMPEG::open_encoder(const char *type, const char *spec)
1697 Asset *asset = file_base->asset;
1698 char *filename = asset->path;
1699 AVDictionary *sopts = 0;
1700 av_dict_copy(&sopts, opts, 0);
1701 char option_path[BCTEXTLEN];
1702 set_option_path(option_path, "%s/%s.opts", type, type);
1703 read_options(option_path, sopts);
1704 get_option_path(option_path, type, spec);
1705 char format_name[BCSTRLEN], codec_name[BCTEXTLEN];
1706 char bsfilter[BCSTRLEN], bsargs[BCTEXTLEN];
1707 if( get_encoder(option_path, format_name, codec_name, bsfilter, bsargs) ) {
1708 eprintf(_("get_encoder failed %s:%s\n"), option_path, filename);
1712 if( !strcmp(codec_name, CODEC_TAG_DVSD) ) strcpy(codec_name, "dv");
1713 else if( !strcmp(codec_name, CODEC_TAG_MJPEG) ) strcpy(codec_name, "mjpeg");
1714 else if( !strcmp(codec_name, CODEC_TAG_JPEG) ) strcpy(codec_name, "jpeg");
1717 ff_lock("FFMPEG::open_encoder");
1721 const AVCodecDescriptor *codec_desc = 0;
1722 AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
1724 eprintf(_("cant find codec %s:%s\n"), codec_name, filename);
1728 codec_desc = avcodec_descriptor_get(codec->id);
1730 eprintf(_("unknown codec %s:%s\n"), codec_name, filename);
1735 st = avformat_new_stream(fmt_ctx, 0);
1737 eprintf(_("cant create stream %s:%s\n"), codec_name, filename);
1742 AVCodecContext *ctx = st->codec;
1743 switch( codec_desc->type ) {
1744 case AVMEDIA_TYPE_AUDIO: {
1746 eprintf(_("duplicate audio %s:%s\n"), codec_name, filename);
1751 if( scan_options(asset->ff_audio_options, sopts, st) ) {
1752 eprintf(_("bad audio options %s:%s\n"), codec_name, filename);
1756 if( asset->ff_audio_bitrate > 0 ) {
1757 ctx->bit_rate = asset->ff_audio_bitrate;
1759 sprintf(arg, "%d", asset->ff_audio_bitrate);
1760 av_dict_set(&sopts, "b", arg, 0);
1762 int aidx = ffaudio.size();
1763 int fidx = aidx + ffvideo.size();
1764 FFAudioStream *aud = new FFAudioStream(this, st, aidx, fidx);
1765 ffaudio.append(aud); fst = aud;
1766 aud->sample_rate = asset->sample_rate;
1767 ctx->channels = aud->channels = asset->channels;
1768 for( int ch=0; ch<aud->channels; ++ch )
1769 astrm_index.append(ffidx(aidx, ch));
1770 ctx->channel_layout = av_get_default_channel_layout(ctx->channels);
1771 ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
1772 if( !ctx->sample_rate ) {
1773 eprintf(_("check_sample_rate failed %s\n"), filename);
1777 ctx->time_base = st->time_base = (AVRational){1, aud->sample_rate};
1778 ctx->sample_fmt = codec->sample_fmts[0];
1779 uint64_t layout = av_get_default_channel_layout(ctx->channels);
1780 aud->resample_context = swr_alloc_set_opts(NULL,
1781 layout, ctx->sample_fmt, aud->sample_rate,
1782 layout, AV_SAMPLE_FMT_FLT, ctx->sample_rate,
1784 swr_init(aud->resample_context);
1787 case AVMEDIA_TYPE_VIDEO: {
1789 eprintf(_("duplicate video %s:%s\n"), codec_name, filename);
1794 if( scan_options(asset->ff_video_options, sopts, st) ) {
1795 eprintf(_("bad video options %s:%s\n"), codec_name, filename);
1799 if( asset->ff_video_bitrate > 0 ) {
1800 ctx->bit_rate = asset->ff_video_bitrate;
1802 sprintf(arg, "%d", asset->ff_video_bitrate);
1803 av_dict_set(&sopts, "b", arg, 0);
1805 else if( asset->ff_video_quality > 0 ) {
1806 ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
1807 ctx->qmin = ctx->qmax = asset->ff_video_quality;
1808 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
1809 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
1810 ctx->flags |= CODEC_FLAG_QSCALE;
1812 av_dict_set(&sopts, "flags", "+qscale", 0);
1813 sprintf(arg, "%d", asset->ff_video_quality);
1814 av_dict_set(&sopts, "qscale", arg, 0);
1815 sprintf(arg, "%d", ctx->global_quality);
1816 av_dict_set(&sopts, "global_quality", arg, 0);
1818 int vidx = ffvideo.size();
1819 int fidx = vidx + ffaudio.size();
1820 FFVideoStream *vid = new FFVideoStream(this, st, vidx, fidx);
1821 vstrm_index.append(ffidx(vidx, 0));
1822 ffvideo.append(vid); fst = vid;
1823 vid->width = asset->width;
1824 ctx->width = (vid->width+3) & ~3;
1825 vid->height = asset->height;
1826 ctx->height = (vid->height+3) & ~3;
1827 vid->frame_rate = asset->frame_rate;
1828 ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset);
1829 ctx->pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
1830 AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
1831 if( !frame_rate.num || !frame_rate.den ) {
1832 eprintf(_("check_frame_rate failed %s\n"), filename);
1836 ctx->time_base = (AVRational) { frame_rate.den, frame_rate.num };
1837 st->time_base = ctx->time_base;
1841 eprintf(_("not audio/video, %s:%s\n"), codec_name, filename);
1846 if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
1847 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
1849 ret = avcodec_open2(st->codec, codec, &sopts);
1851 ff_err(ret,"FFMPEG::open_encoder");
1852 eprintf(_("open failed %s:%s\n"), codec_name, filename);
1859 if( fst && bsfilter[0] )
1860 fst->add_bsfilter(bsfilter, !bsargs[0] ? 0 : bsargs);
1867 av_dict_free(&sopts);
1871 int FFMPEG::close_encoder()
1874 if( encoding > 0 ) {
1875 av_write_trailer(fmt_ctx);
1876 if( !(fmt_ctx->flags & AVFMT_NOFILE) )
1877 avio_closep(&fmt_ctx->pb);
1883 int FFMPEG::decode_activate()
1885 if( decoding < 0 ) {
1887 for( int vidx=0; vidx<ffvideo.size(); ++vidx )
1888 ffvideo[vidx]->nudge = AV_NOPTS_VALUE;
1889 for( int aidx=0; aidx<ffaudio.size(); ++aidx )
1890 ffaudio[aidx]->nudge = AV_NOPTS_VALUE;
1891 // set nudges for each program stream set
1892 int npgrms = fmt_ctx->nb_programs;
1893 for( int i=0; i<npgrms; ++i ) {
1894 AVProgram *pgrm = fmt_ctx->programs[i];
1895 // first start time video stream
1896 int64_t vstart_time = -1, astart_time = -1;
1897 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
1898 int fidx = pgrm->stream_index[j];
1899 AVStream *st = fmt_ctx->streams[fidx];
1900 AVCodecContext *avctx = st->codec;
1901 if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
1902 if( st->start_time == AV_NOPTS_VALUE ) continue;
1903 if( vstart_time > st->start_time ) continue;
1904 vstart_time = st->start_time;
1907 if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
1908 if( st->start_time == AV_NOPTS_VALUE ) continue;
1909 if( astart_time > st->start_time ) continue;
1910 astart_time = st->start_time;
1914 // match program streams to max start_time
1915 int64_t nudge = vstart_time > astart_time ? vstart_time : astart_time;
1916 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
1917 int fidx = pgrm->stream_index[j];
1918 AVStream *st = fmt_ctx->streams[fidx];
1919 AVCodecContext *avctx = st->codec;
1920 if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
1921 for( int k=0; k<ffvideo.size(); ++k ) {
1922 if( ffvideo[k]->fidx != fidx ) continue;
1923 ffvideo[k]->nudge = nudge;
1927 if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
1928 for( int k=0; k<ffaudio.size(); ++k ) {
1929 if( ffaudio[k]->fidx != fidx ) continue;
1930 ffaudio[k]->nudge = nudge;
1936 // set nudges for any streams not yet set
1937 int64_t vstart_time = 0, astart_time = 0;
1938 int nstreams = fmt_ctx->nb_streams;
1939 for( int i=0; i<nstreams; ++i ) {
1940 AVStream *st = fmt_ctx->streams[i];
1941 AVCodecContext *avctx = st->codec;
1942 switch( avctx->codec_type ) {
1943 case AVMEDIA_TYPE_VIDEO: {
1944 if( st->start_time == AV_NOPTS_VALUE ) continue;
1945 int vidx = ffvideo.size();
1946 while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
1947 if( vidx >= 0 && ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
1948 if( vstart_time >= st->start_time ) continue;
1949 vstart_time = st->start_time;
1951 case AVMEDIA_TYPE_AUDIO: {
1952 if( st->start_time == AV_NOPTS_VALUE ) continue;
1953 int aidx = ffaudio.size();
1954 while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
1955 if( aidx >= 0 && ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
1956 if( astart_time >= st->start_time ) continue;
1957 astart_time = st->start_time;
1962 int64_t nudge = vstart_time > astart_time ? vstart_time : astart_time;
1963 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
1964 if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
1965 ffvideo[vidx]->nudge = nudge;
1967 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
1968 if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
1969 ffaudio[aidx]->nudge = nudge;
1976 int FFMPEG::encode_activate()
1979 if( encoding < 0 ) {
1981 if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
1982 (ret=avio_open(&fmt_ctx->pb, fmt_ctx->filename, AVIO_FLAG_WRITE)) < 0 ) {
1983 ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
1988 AVDictionary *fopts = 0;
1989 char option_path[BCTEXTLEN];
1990 set_option_path(option_path, "format/%s", file_format);
1991 read_options(option_path, fopts);
1992 ret = avformat_write_header(fmt_ctx, &fopts);
1993 av_dict_free(&fopts);
1995 ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
2005 int FFMPEG::audio_seek(int stream, int64_t pos)
2007 int aidx = astrm_index[stream].st_idx;
2008 FFAudioStream *aud = ffaudio[aidx];
2009 aud->audio_seek(pos);
2013 int FFMPEG::video_seek(int stream, int64_t pos)
2015 int vidx = vstrm_index[stream].st_idx;
2016 FFVideoStream *vid = ffvideo[vidx];
2017 vid->video_seek(pos);
2022 int FFMPEG::decode(int chn, int64_t pos, double *samples, int len)
2024 if( !has_audio || chn >= astrm_index.size() ) return -1;
2025 int aidx = astrm_index[chn].st_idx;
2026 FFAudioStream *aud = ffaudio[aidx];
2027 if( aud->load(pos, len) < len ) return -1;
2028 int ch = astrm_index[chn].st_ch;
2029 int ret = aud->read(samples,len,ch);
2033 int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)
2035 if( !has_video || layer >= vstrm_index.size() ) return -1;
2036 int vidx = vstrm_index[layer].st_idx;
2037 FFVideoStream *vid = ffvideo[vidx];
2038 return vid->load(vframe, pos);
2042 int FFMPEG::encode(int stream, double **samples, int len)
2044 FFAudioStream *aud = ffaudio[stream];
2045 return aud->encode(samples, len);
2049 int FFMPEG::encode(int stream, VFrame *frame)
2051 FFVideoStream *vid = ffvideo[stream];
2052 return vid->encode(frame);
2055 void FFMPEG::start_muxer()
2063 void FFMPEG::stop_muxer()
2072 void FFMPEG::flow_off()
2075 flow_lock->lock("FFMPEG::flow_off");
2079 void FFMPEG::flow_on()
2083 flow_lock->unlock();
2086 void FFMPEG::flow_ctl()
2089 flow_lock->lock("FFMPEG::flow_ctl");
2090 flow_lock->unlock();
2094 int FFMPEG::mux_audio(FFrame *frm)
2097 FFStream *fst = frm->fst;
2098 AVCodecContext *ctx = fst->st->codec;
2099 AVFrame *frame = *frm;
2100 AVRational tick_rate = {1, ctx->sample_rate};
2101 frame->pts = av_rescale_q(frm->position, tick_rate, ctx->time_base);
2103 int ret = fst->encode_frame(pkt, frame, got_packet);
2104 if( ret >= 0 && got_packet )
2105 ret = fst->write_packet(pkt);
2107 ff_err(ret, "FFMPEG::mux_audio");
2108 return ret >= 0 ? 0 : 1;
2111 int FFMPEG::mux_video(FFrame *frm)
2114 FFStream *fst = frm->fst;
2115 AVFrame *frame = *frm;
2116 frame->pts = frm->position;
2118 int ret = fst->encode_frame(pkt, frame, got_packet);
2119 if( ret >= 0 && got_packet )
2120 ret = fst->write_packet(pkt);
2122 ff_err(ret, "FFMPEG::mux_video");
2123 return ret >= 0 ? 0 : 1;
2129 double atm = -1, vtm = -1;
2130 FFrame *afrm = 0, *vfrm = 0;
2132 for( int i=0; i<ffaudio.size(); ++i ) { // earliest audio
2133 FFStream *fst = ffaudio[i];
2134 if( fst->frm_count < 3 ) { demand = 1; flow_on(); }
2135 FFrame *frm = fst->frms.first;
2136 if( !frm ) { if( !done ) return; continue; }
2137 double tm = to_secs(frm->position, fst->st->codec->time_base);
2138 if( atm < 0 || tm < atm ) { atm = tm; afrm = frm; }
2140 for( int i=0; i<ffvideo.size(); ++i ) { // earliest video
2141 FFStream *fst = ffvideo[i];
2142 if( fst->frm_count < 2 ) { demand = 1; flow_on(); }
2143 FFrame *frm = fst->frms.first;
2144 if( !frm ) { if( !done ) return; continue; }
2145 double tm = to_secs(frm->position, fst->st->codec->time_base);
2146 if( vtm < 0 || tm < vtm ) { vtm = tm; vfrm = frm; }
2148 if( !demand ) flow_off();
2149 if( !afrm && !vfrm ) break;
2150 int v = !afrm ? -1 : !vfrm ? 1 : av_compare_ts(
2151 vfrm->position, vfrm->fst->st->codec->time_base,
2152 afrm->position, afrm->fst->st->codec->time_base);
2153 FFrame *frm = v <= 0 ? vfrm : afrm;
2154 if( frm == afrm ) mux_audio(frm);
2155 if( frm == vfrm ) mux_video(frm);
2164 mux_lock->lock("FFMPEG::run");
2168 for( int i=0; i<ffaudio.size(); ++i )
2169 ffaudio[i]->flush();
2170 for( int i=0; i<ffvideo.size(); ++i )
2171 ffvideo[i]->flush();
2175 int FFMPEG::ff_total_audio_channels()
2177 return astrm_index.size();
2180 int FFMPEG::ff_total_astreams()
2182 return ffaudio.size();
2185 int FFMPEG::ff_audio_channels(int stream)
2187 return ffaudio[stream]->channels;
2190 int FFMPEG::ff_sample_rate(int stream)
2192 return ffaudio[stream]->sample_rate;
2195 const char* FFMPEG::ff_audio_format(int stream)
2197 AVStream *st = ffaudio[stream]->st;
2198 AVCodecID id = st->codec->codec_id;
2199 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
2200 return desc ? desc->name : _("Unknown");
2203 int FFMPEG::ff_audio_pid(int stream)
2205 return ffaudio[stream]->st->id;
2208 int64_t FFMPEG::ff_audio_samples(int stream)
2210 return ffaudio[stream]->length;
2213 // find audio astream/channels with this program,
2214 // or all program audio channels (astream=-1)
2215 int FFMPEG::ff_audio_for_video(int vstream, int astream, int64_t &channel_mask)
2219 int vidx = ffvideo[vstream]->fidx;
2220 // find first program with this video stream
2221 for( int i=0; pidx<0 && i<(int)fmt_ctx->nb_programs; ++i ) {
2222 AVProgram *pgrm = fmt_ctx->programs[i];
2223 for( int j=0; pidx<0 && j<(int)pgrm->nb_stream_indexes; ++j ) {
2224 int st_idx = pgrm->stream_index[j];
2225 AVStream *st = fmt_ctx->streams[st_idx];
2226 if( st->codec->codec_type != AVMEDIA_TYPE_VIDEO ) continue;
2227 if( st_idx == vidx ) pidx = i;
2230 if( pidx < 0 ) return -1;
2232 int64_t channels = 0;
2233 AVProgram *pgrm = fmt_ctx->programs[pidx];
2234 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2235 int aidx = pgrm->stream_index[j];
2236 AVStream *st = fmt_ctx->streams[aidx];
2237 if( st->codec->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
2238 if( astream > 0 ) { --astream; continue; }
2240 for( int i=0; astrm<0 && i<ffaudio.size(); ++i )
2241 if( ffaudio[i]->fidx == aidx ) astrm = i;
2243 if( ret < 0 ) ret = astrm;
2244 int64_t mask = (1 << ffaudio[astrm]->channels) - 1;
2245 channels |= mask << ffaudio[astrm]->channel0;
2247 if( !astream ) break;
2249 channel_mask = channels;
2254 int FFMPEG::ff_total_video_layers()
2256 return vstrm_index.size();
2259 int FFMPEG::ff_total_vstreams()
2261 return ffvideo.size();
2264 int FFMPEG::ff_video_width(int stream)
2266 return ffvideo[stream]->width;
2269 int FFMPEG::ff_video_height(int stream)
2271 return ffvideo[stream]->height;
2274 int FFMPEG::ff_set_video_width(int stream, int width)
2276 int w = ffvideo[stream]->width;
2277 ffvideo[stream]->width = width;
2281 int FFMPEG::ff_set_video_height(int stream, int height)
2283 int h = ffvideo[stream]->height;
2284 ffvideo[stream]->height = height;
2288 int FFMPEG::ff_coded_width(int stream)
2290 AVStream *st = ffvideo[stream]->st;
2291 return st->codec->coded_width;
2294 int FFMPEG::ff_coded_height(int stream)
2296 AVStream *st = ffvideo[stream]->st;
2297 return st->codec->coded_height;
2300 float FFMPEG::ff_aspect_ratio(int stream)
2302 return ffvideo[stream]->aspect_ratio;
2305 const char* FFMPEG::ff_video_format(int stream)
2307 AVStream *st = ffvideo[stream]->st;
2308 AVCodecID id = st->codec->codec_id;
2309 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
2310 return desc ? desc->name : _("Unknown");
2313 double FFMPEG::ff_frame_rate(int stream)
2315 return ffvideo[stream]->frame_rate;
2318 int64_t FFMPEG::ff_video_frames(int stream)
2320 return ffvideo[stream]->length;
2323 int FFMPEG::ff_video_pid(int stream)
2325 return ffvideo[stream]->st->id;
2329 int FFMPEG::ff_cpus()
2331 return file_base->file->cpus;
2334 int FFVideoStream::create_filter(const char *filter_spec,
2335 AVCodecContext *src_ctx, AVCodecContext *sink_ctx)
2337 avfilter_register_all();
2338 const char *sp = filter_spec;
2339 char filter_name[BCSTRLEN], *np = filter_name;
2340 int i = sizeof(filter_name);
2341 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
2343 AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
2344 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_VIDEO ) {
2345 ff_err(AVERROR(EINVAL), "FFVideoStream::create_filter: %s\n", filter_spec);
2348 filter_graph = avfilter_graph_alloc();
2349 AVFilter *buffersrc = avfilter_get_by_name("buffer");
2350 AVFilter *buffersink = avfilter_get_by_name("buffersink");
2352 int ret = 0; char args[BCTEXTLEN];
2353 snprintf(args, sizeof(args),
2354 "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
2355 src_ctx->width, src_ctx->height, src_ctx->pix_fmt,
2356 src_ctx->time_base.num, src_ctx->time_base.den,
2357 src_ctx->sample_aspect_ratio.num, src_ctx->sample_aspect_ratio.den);
2359 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
2360 args, NULL, filter_graph);
2362 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
2363 NULL, NULL, filter_graph);
2365 ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",
2366 (uint8_t*)&sink_ctx->pix_fmt, sizeof(sink_ctx->pix_fmt),
2367 AV_OPT_SEARCH_CHILDREN);
2369 ff_err(ret, "FFVideoStream::create_filter");
2371 ret = FFStream::create_filter(filter_spec);
2372 return ret >= 0 ? 0 : -1;
2375 int FFAudioStream::create_filter(const char *filter_spec,
2376 AVCodecContext *src_ctx, AVCodecContext *sink_ctx)
2378 avfilter_register_all();
2379 const char *sp = filter_spec;
2380 char filter_name[BCSTRLEN], *np = filter_name;
2381 int i = sizeof(filter_name);
2382 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
2384 AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
2385 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_AUDIO ) {
2386 ff_err(AVERROR(EINVAL), "FFAudioStream::create_filter: %s\n", filter_spec);
2389 filter_graph = avfilter_graph_alloc();
2390 AVFilter *buffersrc = avfilter_get_by_name("abuffer");
2391 AVFilter *buffersink = avfilter_get_by_name("abuffersink");
2392 int ret = 0; char args[BCTEXTLEN];
2393 snprintf(args, sizeof(args),
2394 "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%jx",
2395 src_ctx->time_base.num, src_ctx->time_base.den, src_ctx->sample_rate,
2396 av_get_sample_fmt_name(src_ctx->sample_fmt), src_ctx->channel_layout);
2398 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
2399 args, NULL, filter_graph);
2401 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
2402 NULL, NULL, filter_graph);
2404 ret = av_opt_set_bin(buffersink_ctx, "sample_fmts",
2405 (uint8_t*)&sink_ctx->sample_fmt, sizeof(sink_ctx->sample_fmt),
2406 AV_OPT_SEARCH_CHILDREN);
2408 ret = av_opt_set_bin(buffersink_ctx, "channel_layouts",
2409 (uint8_t*)&sink_ctx->channel_layout,
2410 sizeof(sink_ctx->channel_layout), AV_OPT_SEARCH_CHILDREN);
2412 ret = av_opt_set_bin(buffersink_ctx, "sample_rates",
2413 (uint8_t*)&sink_ctx->sample_rate, sizeof(sink_ctx->sample_rate),
2414 AV_OPT_SEARCH_CHILDREN);
2416 ff_err(ret, "FFAudioStream::create_filter");
2418 ret = FFStream::create_filter(filter_spec);
2419 return ret >= 0 ? 0 : -1;
2422 int FFStream::create_filter(const char *filter_spec)
2424 /* Endpoints for the filter graph. */
2425 AVFilterInOut *outputs = avfilter_inout_alloc();
2426 outputs->name = av_strdup("in");
2427 outputs->filter_ctx = buffersrc_ctx;
2428 outputs->pad_idx = 0;
2431 AVFilterInOut *inputs = avfilter_inout_alloc();
2432 inputs->name = av_strdup("out");
2433 inputs->filter_ctx = buffersink_ctx;
2434 inputs->pad_idx = 0;
2437 int ret = !outputs->name || !inputs->name ? -1 : 0;
2439 ret = avfilter_graph_parse_ptr(filter_graph, filter_spec,
2440 &inputs, &outputs, NULL);
2442 ret = avfilter_graph_config(filter_graph, NULL);
2445 ff_err(ret, "FFStream::create_filter");
2446 avfilter_graph_free(&filter_graph);
2449 avfilter_inout_free(&inputs);
2450 avfilter_inout_free(&outputs);
2454 void FFStream::add_bsfilter(const char *bsf, const char *ap)
2456 bsfilter.append(new BSFilter(bsf,ap));
2459 int FFStream::bs_filter(AVPacket *pkt)
2461 if( !bsfilter.size() ) return 0;
2462 av_packet_split_side_data(pkt);
2465 for( int i=0; i<bsfilter.size(); ++i ) {
2466 AVPacket bspkt = *pkt;
2467 ret = av_bitstream_filter_filter(bsfilter[i]->bsfc,
2468 st->codec, bsfilter[i]->args, &bspkt.data, &bspkt.size,
2469 pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY);
2470 if( ret < 0 ) break;
2471 int size = bspkt.size;
2472 uint8_t *data = bspkt.data;
2473 if( !ret && bspkt.data != pkt->data ) {
2475 data = (uint8_t *)av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
2476 if( !data ) { ret = AVERROR(ENOMEM); break; }
2477 memcpy(data, bspkt.data, size);
2478 memset(data+size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
2482 pkt->side_data = 0; pkt->side_data_elems = 0;
2483 av_packet_unref(pkt);
2484 ret = av_packet_from_data(&bspkt, data, size);
2485 if( ret < 0 ) break;
2490 ff_err(ret,"FFStream::bs_filter");
2494 int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
2497 av_init_packet(&pkt);
2498 AVFrame *frame = av_frame_alloc();
2500 fprintf(stderr,"FFMPEG::scan: ");
2501 fprintf(stderr,_("av_frame_alloc failed\n"));
2505 index_state->add_video_markers(ffvideo.size());
2506 index_state->add_audio_markers(ffaudio.size());
2508 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
2509 AVDictionary *copts = 0;
2510 av_dict_copy(&copts, opts, 0);
2511 AVStream *st = fmt_ctx->streams[i];
2512 AVCodecID codec_id = st->codec->codec_id;
2513 AVCodec *decoder = avcodec_find_decoder(codec_id);
2514 if( avcodec_open2(st->codec, decoder, &copts) < 0 ) {
2515 fprintf(stderr,"FFMPEG::scan: ");
2516 fprintf(stderr,_("codec open failed\n"));
2518 av_dict_free(&copts);
2521 for( int64_t count=0; !*canceled; ++count ) {
2522 av_packet_unref(&pkt);
2523 pkt.data = 0; pkt.size = 0;
2525 int ret = av_read_frame(fmt_ctx, &pkt);
2527 if( ret == AVERROR_EOF ) break;
2528 if( ++errs > 100 ) {
2529 ff_err(ret,_("over 100 read_frame errs\n"));
2534 if( !pkt.data ) continue;
2535 int i = pkt.stream_index;
2536 if( i < 0 || i >= (int)fmt_ctx->nb_streams ) continue;
2537 AVStream *st = fmt_ctx->streams[i];
2538 AVCodecContext *avctx = st->codec;
2539 if( pkt.pos > *scan_position ) *scan_position = pkt.pos;
2541 switch( avctx->codec_type ) {
2542 case AVMEDIA_TYPE_VIDEO: {
2543 int vidx = ffvideo.size();
2544 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
2545 if( vidx < 0 ) break;
2546 FFVideoStream *vid = ffvideo[vidx];
2547 int64_t tstmp = pkt.dts;
2548 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
2549 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
2550 if( vid->nudge != AV_NOPTS_VALUE ) tstmp -= vid->nudge;
2551 double secs = to_secs(tstmp, st->time_base);
2552 int64_t frm = secs * vid->frame_rate + 0.5;
2553 if( frm < 0 ) frm = 0;
2554 index_state->put_video_mark(vidx, frm, pkt.pos);
2557 while( pkt.size > 0 ) {
2558 av_frame_unref(frame);
2560 int ret = vid->decode_frame(&pkt, frame, got_frame);
2561 if( ret <= 0 ) break;
2562 // if( got_frame ) {}
2568 case AVMEDIA_TYPE_AUDIO: {
2569 int aidx = ffaudio.size();
2570 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
2571 if( aidx < 0 ) break;
2572 FFAudioStream *aud = ffaudio[aidx];
2573 int64_t tstmp = pkt.pts;
2574 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
2575 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
2576 if( aud->nudge != AV_NOPTS_VALUE ) tstmp -= aud->nudge;
2577 double secs = to_secs(tstmp, st->time_base);
2578 int64_t sample = secs * aud->sample_rate + 0.5;
2579 if( sample < 0 ) sample = 0;
2580 index_state->put_audio_mark(aidx, sample, pkt.pos);
2582 while( pkt.size > 0 ) {
2583 int ch = aud->channel0, nch = aud->channels;
2584 int64_t pos = index_state->pos(ch);
2585 if( pos != aud->curr_pos ) {
2586 if( abs(pos-aud->curr_pos) > 1 )
2587 printf("audio%d pad %jd %jd (%jd)\n", aud->idx, pos, aud->curr_pos, pos-aud->curr_pos);
2588 index_state->pad_data(ch, nch, aud->curr_pos);
2590 av_frame_unref(frame);
2592 int ret = aud->decode_frame(&pkt, frame, got_frame);
2593 if( ret <= 0 ) break;
2594 if( got_frame && frame->channels == nch ) {
2596 int len = aud->get_samples(samples,
2597 &frame->extended_data[0], frame->nb_samples);
2598 for( int i=0; i<nch; ++i )
2599 index_state->put_data(ch+i,nch,samples+i,len);
2600 aud->curr_pos += len;
2609 av_frame_free(&frame);
2613 void FFStream::load_markers(IndexMarks &marks, double rate)
2616 int64_t sz = marks.size();
2617 int max_entries = fmt_ctx->max_index_size / sizeof(AVIndexEntry) - 1;
2618 int nb_ent = st->nb_index_entries;
2619 // some formats already have an index
2621 AVIndexEntry *ep = &st->index_entries[nb_ent-1];
2622 int64_t tstmp = ep->timestamp;
2623 if( nudge != AV_NOPTS_VALUE ) tstmp -= nudge;
2624 double secs = ffmpeg->to_secs(tstmp, st->time_base);
2625 int64_t no = secs * rate;
2626 while( in < sz && marks[in].no <= no ) ++in;
2628 int64_t len = sz - in;
2629 int64_t count = max_entries - nb_ent;
2630 if( count > len ) count = len;
2631 for( int i=0; i<count; ++i ) {
2632 int k = in + i * len / count;
2633 int64_t no = marks[k].no, pos = marks[k].pos;
2634 double secs = (double)no / rate;
2635 int64_t tstmp = secs * st->time_base.den / st->time_base.num;
2636 if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
2637 av_add_index_entry(st, pos, tstmp, 0, 0, AVINDEX_KEYFRAME);