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);
952 int cmodel = frame->get_color_model();
953 BC_CModels::is_yuv(cmodel) ?
954 (BC_CModels::has_alpha(cmodel) ?
956 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
957 (BC_CModels::has_alpha(cmodel) ?
958 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
959 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
961 VFrame vframe(ip->width, ip->height, imodel);
962 if( convert_picture_vframe(&vframe, ip) ) return -1;
963 frame->transfer_from(&vframe);
967 int FFVideoConvert::transfer_cmodel(VFrame *frame, AVFrame *ifp)
969 int ret = convert_cmodel(frame, ifp);
971 const AVDictionary *src = av_frame_get_metadata(ifp);
972 AVDictionaryEntry *t = NULL;
973 BC_Hash *hp = frame->get_params();
975 while( (t=av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX)) )
976 hp->update(t->key, t->value);
981 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op)
983 AVFrame *opic = av_frame_alloc();
984 int ret = convert_vframe_picture(frame, op, opic);
985 av_frame_free(&opic);
989 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op, AVFrame *opic)
991 int cmodel = frame->get_color_model();
992 AVPixelFormat ifmt = color_model_to_pix_fmt(cmodel);
993 if( ifmt == AV_PIX_FMT_NB ) return -1;
994 int size = av_image_fill_arrays(opic->data, opic->linesize,
995 frame->get_data(), ifmt, frame->get_w(), frame->get_h(), 1);
996 if( size < 0 ) return -1;
998 int bpp = BC_CModels::calculate_pixelsize(cmodel);
999 int ysz = bpp * frame->get_w(), usz = ysz;
1008 // override av_image_fill_arrays() for planar types
1009 opic->data[0] = frame->get_y(); opic->linesize[0] = ysz;
1010 opic->data[1] = frame->get_u(); opic->linesize[1] = usz;
1011 opic->data[2] = frame->get_v(); opic->linesize[2] = usz;
1014 opic->data[0] = frame->get_data();
1015 opic->linesize[0] = frame->get_bytes_per_line();
1019 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1020 convert_ctx = sws_getCachedContext(convert_ctx, frame->get_w(), frame->get_h(),
1021 ifmt, op->width, op->height, ofmt, SWS_POINT, NULL, NULL, NULL);
1022 if( !convert_ctx ) {
1023 fprintf(stderr, "FFVideoConvert::convert_frame_picture:"
1024 " sws_getCachedContext() failed\n");
1027 int ret = sws_scale(convert_ctx, opic->data, opic->linesize, 0, frame->get_h(),
1028 op->data, op->linesize);
1030 ff_err(ret, "FFVideoConvert::convert_frame_picture: sws_scale() failed\n");
1036 int FFVideoConvert::convert_pixfmt(VFrame *frame, AVFrame *op)
1038 // try direct transfer
1039 if( !convert_vframe_picture(frame, op) ) return 1;
1040 // use indirect transfer
1041 int cmodel = frame->get_color_model();
1042 int bits = BC_CModels::calculate_pixelsize(cmodel) * 8;
1043 bits /= BC_CModels::components(cmodel);
1044 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1045 int imodel = pix_fmt_to_color_model(ofmt);
1048 BC_CModels::is_yuv(cmodel) ?
1049 (BC_CModels::has_alpha(cmodel) ?
1051 (bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1052 (BC_CModels::has_alpha(cmodel) ?
1053 (bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1054 (bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1056 VFrame vframe(frame->get_w(), frame->get_h(), imodel);
1057 vframe.transfer_from(frame);
1058 if( !convert_vframe_picture(&vframe, op) ) return 1;
1062 int FFVideoConvert::transfer_pixfmt(VFrame *frame, AVFrame *ofp)
1064 int ret = convert_pixfmt(frame, ofp);
1066 BC_Hash *hp = frame->get_params();
1067 AVDictionary **dict = avpriv_frame_get_metadatap(ofp);
1068 //av_dict_free(dict);
1069 for( int i=0; i<hp->size(); ++i ) {
1070 char *key = hp->get_key(i), *val = hp->get_value(i);
1071 av_dict_set(dict, key, val, 0);
1077 void FFVideoStream::load_markers()
1079 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1080 if( !index_state || idx >= index_state->video_markers.size() ) return;
1081 FFStream::load_markers(*index_state->video_markers[idx], frame_rate);
1084 IndexMarks *FFVideoStream::get_markers()
1086 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1087 if( !index_state || idx >= index_state->video_markers.size() ) return 0;
1088 return !index_state ? 0 : index_state->video_markers[idx];
1092 FFMPEG::FFMPEG(FileBase *file_base)
1095 this->file_base = file_base;
1096 memset(file_format,0,sizeof(file_format));
1097 mux_lock = new Condition(0,"FFMPEG::mux_lock",0);
1098 flow_lock = new Condition(1,"FFStream::flow_lock",0);
1101 decoding = encoding = 0;
1102 has_audio = has_video = 0;
1105 opt_video_filter = 0;
1106 opt_audio_filter = 0;
1107 char option_path[BCTEXTLEN];
1108 set_option_path(option_path, "%s", "ffmpeg.opts");
1109 read_options(option_path, opts);
1114 ff_lock("FFMPEG::~FFMPEG()");
1116 ffaudio.remove_all_objects();
1117 ffvideo.remove_all_objects();
1118 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
1122 av_dict_free(&opts);
1123 delete [] opt_video_filter;
1124 delete [] opt_audio_filter;
1127 int FFMPEG::check_sample_rate(AVCodec *codec, int sample_rate)
1129 const int *p = codec->supported_samplerates;
1130 if( !p ) return sample_rate;
1132 if( *p == sample_rate ) return *p;
1138 static inline AVRational std_frame_rate(int i)
1140 static const int m1 = 1001*12, m2 = 1000*12;
1141 static const int freqs[] = {
1142 40*m1, 48*m1, 50*m1, 60*m1, 80*m1,120*m1, 240*m1,
1143 24*m2, 30*m2, 60*m2, 12*m2, 15*m2, 48*m2, 0,
1145 int freq = i<30*12 ? (i+1)*1001 : freqs[i-30*12];
1146 return (AVRational) { freq, 1001*12 };
1149 AVRational FFMPEG::check_frame_rate(AVCodec *codec, double frame_rate)
1151 const AVRational *p = codec->supported_framerates;
1152 AVRational rate, best_rate = (AVRational) { 0, 0 };
1153 double max_err = 1.; int i = 0;
1154 while( ((p ? (rate=*p++) : (rate=std_frame_rate(i++))), rate.num) != 0 ) {
1155 double framerate = (double) rate.num / rate.den;
1156 double err = fabs(frame_rate/framerate - 1.);
1157 if( err >= max_err ) continue;
1161 return max_err < 0.0001 ? best_rate : (AVRational) { 0, 0 };
1164 AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset)
1167 double display_aspect = asset->width / (double)asset->height;
1168 double sample_aspect = asset->aspect_ratio / display_aspect;
1169 int width = 1000000, height = width * sample_aspect + 0.5;
1171 MWindow::create_aspect_ratio(w, h, width, height);
1172 return (AVRational){(int)h, (int)w};
1175 return (AVRational){1, 1};
1179 AVRational FFMPEG::to_time_base(int sample_rate)
1181 return (AVRational){1, sample_rate};
1184 void FFMPEG::set_option_path(char *path, const char *fmt, ...)
1186 char *ep = path + BCTEXTLEN-1;
1187 strncpy(path, File::get_cindat_path(), ep-path);
1188 strncat(path, "/ffmpeg/", ep-path);
1189 path += strlen(path);
1192 path += vsnprintf(path, ep-path, fmt, ap);
1197 void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
1202 set_option_path(path, "%s/%s", type, spec);
1205 int FFMPEG::get_format(char *format, const char *path, const char *spec)
1207 char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
1208 get_option_path(option_path, path, spec);
1209 FILE *fp = fopen(option_path,"r");
1212 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1214 line[sizeof(line)-1] = 0;
1215 ret = scan_option_line(line, format, codec);
1221 int FFMPEG::get_codec(char *codec, const char *path, const char *spec)
1223 char option_path[BCTEXTLEN], line[BCTEXTLEN], format[BCTEXTLEN];
1224 get_option_path(option_path, path, spec);
1225 FILE *fp = fopen(option_path,"r");
1228 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1231 line[sizeof(line)-1] = 0;
1232 ret = scan_option_line(line, format, codec);
1235 char *vp = codec, *ep = vp+BCTEXTLEN-1;
1236 while( vp < ep && *vp && *vp != '|' ) ++vp;
1237 if( *vp == '|' ) --vp;
1238 while( vp > codec && (*vp==' ' || *vp=='\t') ) *vp-- = 0;
1243 int FFMPEG::get_file_format()
1246 char audio_format[BCSTRLEN], video_format[BCSTRLEN];
1247 file_format[0] = audio_format[0] = video_format[0] = 0;
1248 Asset *asset = file_base->asset;
1249 if( !ret && asset->audio_data )
1250 ret = get_format(audio_format, "audio", asset->acodec);
1251 if( !ret && asset->video_data )
1252 ret = get_format(video_format, "video", asset->vcodec);
1253 if( !ret && !audio_format[0] && !video_format[0] )
1255 if( !ret && audio_format[0] && video_format[0] &&
1256 strcmp(audio_format, video_format) ) ret = -1;
1258 strcpy(file_format, audio_format[0] ? audio_format : video_format);
1262 int FFMPEG::scan_option_line(char *cp, char *tag, char *val)
1264 while( *cp == ' ' || *cp == '\t' ) ++cp;
1266 while( *cp && *cp != ' ' && *cp != '\t' && *cp != '=' ) ++cp;
1268 if( !len || len > BCSTRLEN-1 ) return 1;
1269 while( bp < cp ) *tag++ = *bp++;
1271 while( *cp == ' ' || *cp == '\t' ) ++cp;
1272 if( *cp == '=' ) ++cp;
1273 while( *cp == ' ' || *cp == '\t' ) ++cp;
1275 while( *cp && *cp != '\n' ) ++cp;
1277 if( len > BCTEXTLEN-1 ) return 1;
1278 while( bp < cp ) *val++ = *bp++;
1283 int FFMPEG::load_defaults(const char *path, const char *type,
1284 char *codec, char *codec_options, int len)
1286 char default_file[BCTEXTLEN];
1287 FFMPEG::set_option_path(default_file, "%s/%s.dfl", path, type);
1288 FILE *fp = fopen(default_file,"r");
1290 fgets(codec, BCSTRLEN, fp);
1292 while( *cp && *cp!='\n' ) ++cp;
1294 while( len > 0 && fgets(codec_options, len, fp) ) {
1295 int n = strlen(codec_options);
1296 codec_options += n; len -= n;
1299 FFMPEG::set_option_path(default_file, "%s/%s", path, codec);
1300 return FFMPEG::load_options(default_file, codec_options, len);
1303 void FFMPEG::set_asset_format(Asset *asset, const char *text)
1305 if( asset->format != FILE_FFMPEG ) return;
1306 strcpy(asset->fformat, text);
1307 if( !asset->ff_audio_options[0] ) {
1308 asset->audio_data = !load_defaults("audio", text, asset->acodec,
1309 asset->ff_audio_options, sizeof(asset->ff_audio_options));
1311 if( !asset->ff_video_options[0] ) {
1312 asset->video_data = !load_defaults("video", text, asset->vcodec,
1313 asset->ff_video_options, sizeof(asset->ff_video_options));
1317 int FFMPEG::get_encoder(const char *options,
1318 char *format, char *codec, char *bsfilter, char *bsargs)
1320 FILE *fp = fopen(options,"r");
1322 eprintf(_("options open failed %s\n"),options);
1325 if( get_encoder(fp, format, codec, bsfilter, bsargs) )
1326 eprintf(_("format/codec not found %s\n"), options);
1331 int FFMPEG::get_encoder(FILE *fp,
1332 char *format, char *codec, char *bsfilter, char *bsargs)
1334 format[0] = codec[0] = bsfilter[0] = bsargs[0] = 0;
1335 char line[BCTEXTLEN];
1336 if( !fgets(line, sizeof(line), fp) ) return 1;
1337 line[sizeof(line)-1] = 0;
1338 if( scan_option_line(line, format, codec) ) return 1;
1340 while( *cp && *cp != '|' ) ++cp;
1341 if( !*cp ) return 0;
1342 if( scan_option_line(cp+1, bsfilter, bsargs) ) return 1;
1343 do { *cp-- = 0; } while( cp>=codec && (*cp==' ' || *cp == '\t' ) );
1347 int FFMPEG::read_options(const char *options, AVDictionary *&opts)
1349 FILE *fp = fopen(options,"r");
1351 int ret = read_options(fp, options, opts);
1356 int FFMPEG::scan_options(const char *options, AVDictionary *&opts, AVStream *st)
1358 FILE *fp = fmemopen((void *)options,strlen(options),"r");
1360 int ret = read_options(fp, options, opts);
1362 AVDictionaryEntry *tag = av_dict_get(opts, "id", NULL, 0);
1363 if( tag ) st->id = strtol(tag->value,0,0);
1367 int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
1369 int ret = 0, no = 0;
1370 char line[BCTEXTLEN];
1371 while( !ret && fgets(line, sizeof(line), fp) ) {
1372 line[sizeof(line)-1] = 0;
1374 if( line[0] == '#' ) continue;
1375 if( line[0] == '\n' ) continue;
1376 char key[BCSTRLEN], val[BCTEXTLEN];
1377 if( scan_option_line(line, key, val) ) {
1378 eprintf(_("err reading %s: line %d\n"), options, no);
1382 if( !strcmp(key, "duration") )
1383 opt_duration = strtod(val, 0);
1384 else if( !strcmp(key, "video_filter") )
1385 opt_video_filter = cstrdup(val);
1386 else if( !strcmp(key, "audio_filter") )
1387 opt_audio_filter = cstrdup(val);
1388 else if( !strcmp(key, "loglevel") )
1391 av_dict_set(&opts, key, val, 0);
1397 int FFMPEG::load_options(const char *options, AVDictionary *&opts)
1399 char option_path[BCTEXTLEN];
1400 set_option_path(option_path, "%s", options);
1401 return read_options(option_path, opts);
1404 int FFMPEG::load_options(const char *path, char *bfr, int len)
1407 FILE *fp = fopen(path, "r");
1409 fgets(bfr, len, fp); // skip hdr
1410 len = fread(bfr, 1, len-1, fp);
1411 if( len < 0 ) len = 0;
1417 void FFMPEG::set_loglevel(const char *ap)
1419 if( !ap || !*ap ) return;
1424 { "quiet" , AV_LOG_QUIET },
1425 { "panic" , AV_LOG_PANIC },
1426 { "fatal" , AV_LOG_FATAL },
1427 { "error" , AV_LOG_ERROR },
1428 { "warning", AV_LOG_WARNING },
1429 { "info" , AV_LOG_INFO },
1430 { "verbose", AV_LOG_VERBOSE },
1431 { "debug" , AV_LOG_DEBUG },
1433 for( int i=0; i<(int)(sizeof(log_levels)/sizeof(log_levels[0])); ++i ) {
1434 if( !strcmp(log_levels[i].name, ap) ) {
1435 av_log_set_level(log_levels[i].level);
1439 av_log_set_level(atoi(ap));
1442 double FFMPEG::to_secs(int64_t time, AVRational time_base)
1444 double base_time = time == AV_NOPTS_VALUE ? 0 :
1445 av_rescale_q(time, time_base, AV_TIME_BASE_Q);
1446 return base_time / AV_TIME_BASE;
1449 int FFMPEG::info(char *text, int len)
1451 if( len <= 0 ) return 0;
1453 #define report(s...) do { int n = snprintf(cp,len,s); cp += n; len -= n; } while(0)
1455 if( ffvideo.size() > 0 )
1456 report("\n%d video stream%s\n",ffvideo.size(), ffvideo.size()!=1 ? "s" : "");
1457 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
1458 FFVideoStream *vid = ffvideo[vidx];
1459 AVStream *st = vid->st;
1460 AVCodecContext *avctx = st->codec;
1461 report(_("vid%d (%d), id 0x%06x:\n"), vid->idx, vid->fidx, avctx->codec_id);
1462 const AVCodecDescriptor *desc = avcodec_descriptor_get(avctx->codec_id);
1463 report(" video%d %s", vidx+1, desc ? desc->name : " (unkn)");
1464 report(" %dx%d %5.2f", vid->width, vid->height, vid->frame_rate);
1465 const char *pfn = av_get_pix_fmt_name(avctx->pix_fmt);
1466 report(" pix %s\n", pfn ? pfn : "(unkn)");
1467 double secs = to_secs(st->duration, st->time_base);
1468 int64_t length = secs * vid->frame_rate + 0.5;
1469 double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
1470 int64_t nudge = ofs * vid->frame_rate;
1471 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
1472 report(" %jd%c%jd frms %0.2f secs", length,ch,nudge, secs);
1473 int hrs = secs/3600; secs -= hrs*3600;
1474 int mins = secs/60; secs -= mins*60;
1475 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
1477 if( ffaudio.size() > 0 )
1478 report("\n%d audio stream%s\n",ffaudio.size(), ffaudio.size()!=1 ? "s" : "");
1479 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
1480 FFAudioStream *aud = ffaudio[aidx];
1481 AVStream *st = aud->st;
1482 AVCodecContext *avctx = st->codec;
1483 report(_("aud%d (%d), id 0x%06x:\n"), aud->idx, aud->fidx, avctx->codec_id);
1484 const AVCodecDescriptor *desc = avcodec_descriptor_get(avctx->codec_id);
1485 int nch = aud->channels, ch0 = aud->channel0+1;
1486 report(" audio%d-%d %s", ch0, ch0+nch-1, desc ? desc->name : " (unkn)");
1487 const char *fmt = av_get_sample_fmt_name(avctx->sample_fmt);
1488 report(" %s %d", fmt, aud->sample_rate);
1489 int sample_bits = av_get_bits_per_sample(avctx->codec_id);
1490 report(" %dbits\n", sample_bits);
1491 double secs = to_secs(st->duration, st->time_base);
1492 int64_t length = secs * aud->sample_rate + 0.5;
1493 double ofs = to_secs((aud->nudge - st->start_time), st->time_base);
1494 int64_t nudge = ofs * aud->sample_rate;
1495 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
1496 report(" %jd%c%jd smpl %0.2f secs", length,ch,nudge, secs);
1497 int hrs = secs/3600; secs -= hrs*3600;
1498 int mins = secs/60; secs -= mins*60;
1499 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
1501 if( fmt_ctx->nb_programs > 0 )
1502 report("\n%d program%s\n",fmt_ctx->nb_programs, fmt_ctx->nb_programs!=1 ? "s" : "");
1503 for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
1504 report("program %d", i+1);
1505 AVProgram *pgrm = fmt_ctx->programs[i];
1506 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
1507 int idx = pgrm->stream_index[j];
1508 int vidx = ffvideo.size();
1509 while( --vidx>=0 && ffvideo[vidx]->fidx != idx );
1511 report(", vid%d", vidx);
1514 int aidx = ffaudio.size();
1515 while( --aidx>=0 && ffaudio[aidx]->fidx != idx );
1517 report(", aud%d", aidx);
1520 report(", (%d)", pgrm->stream_index[j]);
1525 AVDictionaryEntry *tag = 0;
1526 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
1527 report("%s=%s\n", tag->key, tag->value);
1536 int FFMPEG::init_decoder(const char *filename)
1538 ff_lock("FFMPEG::init_decoder");
1540 char file_opts[BCTEXTLEN];
1541 char *bp = strrchr(strcpy(file_opts, filename), '/');
1542 char *sp = strrchr(!bp ? file_opts : bp, '.');
1545 strcpy(sp, ".opts");
1546 fp = fopen(file_opts, "r");
1549 read_options(fp, file_opts, opts);
1553 load_options("decode.opts", opts);
1554 AVDictionary *fopts = 0;
1555 av_dict_copy(&fopts, opts, 0);
1556 int ret = avformat_open_input(&fmt_ctx, filename, NULL, &fopts);
1557 av_dict_free(&fopts);
1559 ret = avformat_find_stream_info(fmt_ctx, NULL);
1564 return !ret ? 0 : 1;
1567 int FFMPEG::open_decoder()
1570 if( stat(fmt_ctx->filename, &st) < 0 ) {
1571 eprintf(_("can't stat file: %s\n"), fmt_ctx->filename);
1575 int64_t file_bits = 8 * st.st_size;
1576 if( !fmt_ctx->bit_rate && opt_duration > 0 )
1577 fmt_ctx->bit_rate = file_bits / opt_duration;
1580 if( fmt_ctx->bit_rate > 0 ) {
1581 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
1582 AVStream *st = fmt_ctx->streams[i];
1583 if( st->duration != AV_NOPTS_VALUE ) continue;
1584 if( st->time_base.num > INT64_MAX / fmt_ctx->bit_rate ) continue;
1585 st->duration = av_rescale(file_bits, st->time_base.den,
1586 fmt_ctx->bit_rate * (int64_t) st->time_base.num);
1591 printf("FFMPEG::open_decoder: some stream times estimated\n");
1593 ff_lock("FFMPEG::open_decoder");
1594 int ret = 0, bad_time = 0;
1595 for( int i=0; !ret && i<(int)fmt_ctx->nb_streams; ++i ) {
1596 AVStream *st = fmt_ctx->streams[i];
1597 if( st->duration == AV_NOPTS_VALUE ) bad_time = 1;
1598 AVCodecContext *avctx = st->codec;
1599 const AVCodecDescriptor *codec_desc = avcodec_descriptor_get(avctx->codec_id);
1600 if( !codec_desc ) continue;
1601 if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
1602 if( avctx->width < 1 ) continue;
1603 if( avctx->height < 1 ) continue;
1604 AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
1605 if( framerate.num < 1 ) continue;
1607 int vidx = ffvideo.size();
1608 FFVideoStream *vid = new FFVideoStream(this, st, vidx, i);
1609 vstrm_index.append(ffidx(vidx, 0));
1610 ffvideo.append(vid);
1611 vid->width = avctx->width;
1612 vid->height = avctx->height;
1613 vid->frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
1614 double secs = to_secs(st->duration, st->time_base);
1615 vid->length = secs * vid->frame_rate;
1616 vid->aspect_ratio = (double)st->sample_aspect_ratio.num / st->sample_aspect_ratio.den;
1617 vid->nudge = st->start_time;
1619 if( opt_video_filter )
1620 ret = vid->create_filter(opt_video_filter, avctx,avctx);
1622 else if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
1623 if( avctx->channels < 1 ) continue;
1624 if( avctx->sample_rate < 1 ) continue;
1626 int aidx = ffaudio.size();
1627 FFAudioStream *aud = new FFAudioStream(this, st, aidx, i);
1628 ffaudio.append(aud);
1629 aud->channel0 = astrm_index.size();
1630 aud->channels = avctx->channels;
1631 for( int ch=0; ch<aud->channels; ++ch )
1632 astrm_index.append(ffidx(aidx, ch));
1633 aud->sample_rate = avctx->sample_rate;
1634 double secs = to_secs(st->duration, st->time_base);
1635 aud->length = secs * aud->sample_rate;
1636 if( avctx->sample_fmt != AV_SAMPLE_FMT_FLT ) {
1637 uint64_t layout = av_get_default_channel_layout(avctx->channels);
1638 if( !layout ) layout = ((uint64_t)1<<aud->channels) - 1;
1639 aud->resample_context = swr_alloc_set_opts(NULL,
1640 layout, AV_SAMPLE_FMT_FLT, avctx->sample_rate,
1641 layout, avctx->sample_fmt, avctx->sample_rate,
1643 swr_init(aud->resample_context);
1645 aud->nudge = st->start_time;
1647 if( opt_audio_filter )
1648 ret = aud->create_filter(opt_audio_filter, avctx,avctx);
1652 printf("FFMPEG::open_decoder: some stream have bad times\n");
1654 return ret < 0 ? -1 : 0;
1658 int FFMPEG::init_encoder(const char *filename)
1660 int fd = ::open(filename,O_WRONLY);
1661 if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
1663 eprintf(_("bad file path: %s\n"), filename);
1667 int ret = get_file_format();
1669 eprintf(_("bad file format: %s\n"), filename);
1673 eprintf(_("mismatch audio/video file format: %s\n"), filename);
1676 ff_lock("FFMPEG::init_encoder");
1678 avformat_alloc_output_context2(&fmt_ctx, 0, file_format, filename);
1680 eprintf(_("failed: %s\n"), filename);
1685 load_options("encode.opts", opts);
1691 int FFMPEG::open_encoder(const char *type, const char *spec)
1694 Asset *asset = file_base->asset;
1695 char *filename = asset->path;
1696 AVDictionary *sopts = 0;
1697 av_dict_copy(&sopts, opts, 0);
1698 char option_path[BCTEXTLEN];
1699 set_option_path(option_path, "%s/%s.opts", type, type);
1700 read_options(option_path, sopts);
1701 get_option_path(option_path, type, spec);
1702 char format_name[BCSTRLEN], codec_name[BCTEXTLEN];
1703 char bsfilter[BCSTRLEN], bsargs[BCTEXTLEN];
1704 if( get_encoder(option_path, format_name, codec_name, bsfilter, bsargs) ) {
1705 eprintf(_("get_encoder failed %s:%s\n"), option_path, filename);
1709 if( !strcmp(codec_name, CODEC_TAG_DVSD) ) strcpy(codec_name, "dv");
1710 else if( !strcmp(codec_name, CODEC_TAG_MJPEG) ) strcpy(codec_name, "mjpeg");
1711 else if( !strcmp(codec_name, CODEC_TAG_JPEG) ) strcpy(codec_name, "jpeg");
1714 ff_lock("FFMPEG::open_encoder");
1718 const AVCodecDescriptor *codec_desc = 0;
1719 AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
1721 eprintf(_("cant find codec %s:%s\n"), codec_name, filename);
1725 codec_desc = avcodec_descriptor_get(codec->id);
1727 eprintf(_("unknown codec %s:%s\n"), codec_name, filename);
1732 st = avformat_new_stream(fmt_ctx, 0);
1734 eprintf(_("cant create stream %s:%s\n"), codec_name, filename);
1739 AVCodecContext *ctx = st->codec;
1740 switch( codec_desc->type ) {
1741 case AVMEDIA_TYPE_AUDIO: {
1743 eprintf(_("duplicate audio %s:%s\n"), codec_name, filename);
1748 if( scan_options(asset->ff_audio_options, sopts, st) ) {
1749 eprintf(_("bad audio options %s:%s\n"), codec_name, filename);
1753 if( asset->ff_audio_bitrate > 0 ) {
1754 ctx->bit_rate = asset->ff_audio_bitrate;
1756 sprintf(arg, "%d", asset->ff_audio_bitrate);
1757 av_dict_set(&sopts, "b", arg, 0);
1759 int aidx = ffaudio.size();
1760 int fidx = aidx + ffvideo.size();
1761 FFAudioStream *aud = new FFAudioStream(this, st, aidx, fidx);
1762 ffaudio.append(aud); fst = aud;
1763 aud->sample_rate = asset->sample_rate;
1764 ctx->channels = aud->channels = asset->channels;
1765 for( int ch=0; ch<aud->channels; ++ch )
1766 astrm_index.append(ffidx(aidx, ch));
1767 ctx->channel_layout = av_get_default_channel_layout(ctx->channels);
1768 ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
1769 if( !ctx->sample_rate ) {
1770 eprintf(_("check_sample_rate failed %s\n"), filename);
1774 ctx->time_base = st->time_base = (AVRational){1, aud->sample_rate};
1775 ctx->sample_fmt = codec->sample_fmts[0];
1776 uint64_t layout = av_get_default_channel_layout(ctx->channels);
1777 aud->resample_context = swr_alloc_set_opts(NULL,
1778 layout, ctx->sample_fmt, aud->sample_rate,
1779 layout, AV_SAMPLE_FMT_FLT, ctx->sample_rate,
1781 swr_init(aud->resample_context);
1784 case AVMEDIA_TYPE_VIDEO: {
1786 eprintf(_("duplicate video %s:%s\n"), codec_name, filename);
1791 if( scan_options(asset->ff_video_options, sopts, st) ) {
1792 eprintf(_("bad video options %s:%s\n"), codec_name, filename);
1796 if( asset->ff_video_bitrate > 0 ) {
1797 ctx->bit_rate = asset->ff_video_bitrate;
1799 sprintf(arg, "%d", asset->ff_video_bitrate);
1800 av_dict_set(&sopts, "b", arg, 0);
1802 else if( asset->ff_video_quality > 0 ) {
1803 ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
1804 ctx->qmin = ctx->qmax = asset->ff_video_quality;
1805 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
1806 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
1807 ctx->flags |= CODEC_FLAG_QSCALE;
1809 av_dict_set(&sopts, "flags", "+qscale", 0);
1810 sprintf(arg, "%d", asset->ff_video_quality);
1811 av_dict_set(&sopts, "qscale", arg, 0);
1812 sprintf(arg, "%d", ctx->global_quality);
1813 av_dict_set(&sopts, "global_quality", arg, 0);
1815 int vidx = ffvideo.size();
1816 int fidx = vidx + ffaudio.size();
1817 FFVideoStream *vid = new FFVideoStream(this, st, vidx, fidx);
1818 vstrm_index.append(ffidx(vidx, 0));
1819 ffvideo.append(vid); fst = vid;
1820 vid->width = asset->width;
1821 ctx->width = (vid->width+3) & ~3;
1822 vid->height = asset->height;
1823 ctx->height = (vid->height+3) & ~3;
1824 vid->frame_rate = asset->frame_rate;
1825 ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset);
1826 ctx->pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
1827 AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
1828 if( !frame_rate.num || !frame_rate.den ) {
1829 eprintf(_("check_frame_rate failed %s\n"), filename);
1833 ctx->time_base = (AVRational) { frame_rate.den, frame_rate.num };
1834 st->time_base = ctx->time_base;
1838 eprintf(_("not audio/video, %s:%s\n"), codec_name, filename);
1843 if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
1844 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
1846 ret = avcodec_open2(st->codec, codec, &sopts);
1848 ff_err(ret,"FFMPEG::open_encoder");
1849 eprintf(_("open failed %s:%s\n"), codec_name, filename);
1856 if( fst && bsfilter[0] )
1857 fst->add_bsfilter(bsfilter, !bsargs[0] ? 0 : bsargs);
1864 av_dict_free(&sopts);
1868 int FFMPEG::close_encoder()
1871 if( encoding > 0 ) {
1872 av_write_trailer(fmt_ctx);
1873 if( !(fmt_ctx->flags & AVFMT_NOFILE) )
1874 avio_closep(&fmt_ctx->pb);
1880 int FFMPEG::decode_activate()
1882 if( decoding < 0 ) {
1884 for( int vidx=0; vidx<ffvideo.size(); ++vidx )
1885 ffvideo[vidx]->nudge = AV_NOPTS_VALUE;
1886 for( int aidx=0; aidx<ffaudio.size(); ++aidx )
1887 ffaudio[aidx]->nudge = AV_NOPTS_VALUE;
1888 // set nudges for each program stream set
1889 int npgrms = fmt_ctx->nb_programs;
1890 for( int i=0; i<npgrms; ++i ) {
1891 AVProgram *pgrm = fmt_ctx->programs[i];
1892 // first start time video stream
1893 int64_t vstart_time = -1, astart_time = -1;
1894 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
1895 int fidx = pgrm->stream_index[j];
1896 AVStream *st = fmt_ctx->streams[fidx];
1897 AVCodecContext *avctx = st->codec;
1898 if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
1899 if( st->start_time == AV_NOPTS_VALUE ) continue;
1900 if( vstart_time > st->start_time ) continue;
1901 vstart_time = st->start_time;
1904 if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
1905 if( st->start_time == AV_NOPTS_VALUE ) continue;
1906 if( astart_time > st->start_time ) continue;
1907 astart_time = st->start_time;
1911 // match program streams to max start_time
1912 int64_t nudge = vstart_time > astart_time ? vstart_time : astart_time;
1913 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
1914 int fidx = pgrm->stream_index[j];
1915 AVStream *st = fmt_ctx->streams[fidx];
1916 AVCodecContext *avctx = st->codec;
1917 if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
1918 for( int k=0; k<ffvideo.size(); ++k ) {
1919 if( ffvideo[k]->fidx != fidx ) continue;
1920 ffvideo[k]->nudge = nudge;
1924 if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
1925 for( int k=0; k<ffaudio.size(); ++k ) {
1926 if( ffaudio[k]->fidx != fidx ) continue;
1927 ffaudio[k]->nudge = nudge;
1933 // set nudges for any streams not yet set
1934 int64_t vstart_time = 0, astart_time = 0;
1935 int nstreams = fmt_ctx->nb_streams;
1936 for( int i=0; i<nstreams; ++i ) {
1937 AVStream *st = fmt_ctx->streams[i];
1938 AVCodecContext *avctx = st->codec;
1939 switch( avctx->codec_type ) {
1940 case AVMEDIA_TYPE_VIDEO: {
1941 if( st->start_time == AV_NOPTS_VALUE ) continue;
1942 int vidx = ffvideo.size();
1943 while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
1944 if( vidx >= 0 && ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
1945 if( vstart_time >= st->start_time ) continue;
1946 vstart_time = st->start_time;
1948 case AVMEDIA_TYPE_AUDIO: {
1949 if( st->start_time == AV_NOPTS_VALUE ) continue;
1950 int aidx = ffaudio.size();
1951 while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
1952 if( aidx >= 0 && ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
1953 if( astart_time >= st->start_time ) continue;
1954 astart_time = st->start_time;
1959 int64_t nudge = vstart_time > astart_time ? vstart_time : astart_time;
1960 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
1961 if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
1962 ffvideo[vidx]->nudge = nudge;
1964 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
1965 if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
1966 ffaudio[aidx]->nudge = nudge;
1973 int FFMPEG::encode_activate()
1976 if( encoding < 0 ) {
1978 if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
1979 (ret=avio_open(&fmt_ctx->pb, fmt_ctx->filename, AVIO_FLAG_WRITE)) < 0 ) {
1980 ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
1985 AVDictionary *fopts = 0;
1986 char option_path[BCTEXTLEN];
1987 set_option_path(option_path, "format/%s", file_format);
1988 read_options(option_path, fopts);
1989 ret = avformat_write_header(fmt_ctx, &fopts);
1990 av_dict_free(&fopts);
1992 ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
2002 int FFMPEG::audio_seek(int stream, int64_t pos)
2004 int aidx = astrm_index[stream].st_idx;
2005 FFAudioStream *aud = ffaudio[aidx];
2006 aud->audio_seek(pos);
2010 int FFMPEG::video_seek(int stream, int64_t pos)
2012 int vidx = vstrm_index[stream].st_idx;
2013 FFVideoStream *vid = ffvideo[vidx];
2014 vid->video_seek(pos);
2019 int FFMPEG::decode(int chn, int64_t pos, double *samples, int len)
2021 if( !has_audio || chn >= astrm_index.size() ) return -1;
2022 int aidx = astrm_index[chn].st_idx;
2023 FFAudioStream *aud = ffaudio[aidx];
2024 if( aud->load(pos, len) < len ) return -1;
2025 int ch = astrm_index[chn].st_ch;
2026 int ret = aud->read(samples,len,ch);
2030 int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)
2032 if( !has_video || layer >= vstrm_index.size() ) return -1;
2033 int vidx = vstrm_index[layer].st_idx;
2034 FFVideoStream *vid = ffvideo[vidx];
2035 return vid->load(vframe, pos);
2039 int FFMPEG::encode(int stream, double **samples, int len)
2041 FFAudioStream *aud = ffaudio[stream];
2042 return aud->encode(samples, len);
2046 int FFMPEG::encode(int stream, VFrame *frame)
2048 FFVideoStream *vid = ffvideo[stream];
2049 return vid->encode(frame);
2052 void FFMPEG::start_muxer()
2060 void FFMPEG::stop_muxer()
2069 void FFMPEG::flow_off()
2072 flow_lock->lock("FFMPEG::flow_off");
2076 void FFMPEG::flow_on()
2080 flow_lock->unlock();
2083 void FFMPEG::flow_ctl()
2086 flow_lock->lock("FFMPEG::flow_ctl");
2087 flow_lock->unlock();
2091 int FFMPEG::mux_audio(FFrame *frm)
2094 FFStream *fst = frm->fst;
2095 AVCodecContext *ctx = fst->st->codec;
2096 AVFrame *frame = *frm;
2097 AVRational tick_rate = {1, ctx->sample_rate};
2098 frame->pts = av_rescale_q(frm->position, tick_rate, ctx->time_base);
2100 int ret = fst->encode_frame(pkt, frame, got_packet);
2101 if( ret >= 0 && got_packet )
2102 ret = fst->write_packet(pkt);
2104 ff_err(ret, "FFMPEG::mux_audio");
2105 return ret >= 0 ? 0 : 1;
2108 int FFMPEG::mux_video(FFrame *frm)
2111 FFStream *fst = frm->fst;
2112 AVFrame *frame = *frm;
2113 frame->pts = frm->position;
2115 int ret = fst->encode_frame(pkt, frame, got_packet);
2116 if( ret >= 0 && got_packet )
2117 ret = fst->write_packet(pkt);
2119 ff_err(ret, "FFMPEG::mux_video");
2120 return ret >= 0 ? 0 : 1;
2126 double atm = -1, vtm = -1;
2127 FFrame *afrm = 0, *vfrm = 0;
2129 for( int i=0; i<ffaudio.size(); ++i ) { // earliest audio
2130 FFStream *fst = ffaudio[i];
2131 if( fst->frm_count < 3 ) { demand = 1; flow_on(); }
2132 FFrame *frm = fst->frms.first;
2133 if( !frm ) { if( !done ) return; continue; }
2134 double tm = to_secs(frm->position, fst->st->codec->time_base);
2135 if( atm < 0 || tm < atm ) { atm = tm; afrm = frm; }
2137 for( int i=0; i<ffvideo.size(); ++i ) { // earliest video
2138 FFStream *fst = ffvideo[i];
2139 if( fst->frm_count < 2 ) { demand = 1; flow_on(); }
2140 FFrame *frm = fst->frms.first;
2141 if( !frm ) { if( !done ) return; continue; }
2142 double tm = to_secs(frm->position, fst->st->codec->time_base);
2143 if( vtm < 0 || tm < vtm ) { vtm = tm; vfrm = frm; }
2145 if( !demand ) flow_off();
2146 if( !afrm && !vfrm ) break;
2147 int v = !afrm ? -1 : !vfrm ? 1 : av_compare_ts(
2148 vfrm->position, vfrm->fst->st->codec->time_base,
2149 afrm->position, afrm->fst->st->codec->time_base);
2150 FFrame *frm = v <= 0 ? vfrm : afrm;
2151 if( frm == afrm ) mux_audio(frm);
2152 if( frm == vfrm ) mux_video(frm);
2161 mux_lock->lock("FFMPEG::run");
2165 for( int i=0; i<ffaudio.size(); ++i )
2166 ffaudio[i]->flush();
2167 for( int i=0; i<ffvideo.size(); ++i )
2168 ffvideo[i]->flush();
2172 int FFMPEG::ff_total_audio_channels()
2174 return astrm_index.size();
2177 int FFMPEG::ff_total_astreams()
2179 return ffaudio.size();
2182 int FFMPEG::ff_audio_channels(int stream)
2184 return ffaudio[stream]->channels;
2187 int FFMPEG::ff_sample_rate(int stream)
2189 return ffaudio[stream]->sample_rate;
2192 const char* FFMPEG::ff_audio_format(int stream)
2194 AVStream *st = ffaudio[stream]->st;
2195 AVCodecID id = st->codec->codec_id;
2196 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
2197 return desc ? desc->name : _("Unknown");
2200 int FFMPEG::ff_audio_pid(int stream)
2202 return ffaudio[stream]->st->id;
2205 int64_t FFMPEG::ff_audio_samples(int stream)
2207 return ffaudio[stream]->length;
2210 // find audio astream/channels with this program,
2211 // or all program audio channels (astream=-1)
2212 int FFMPEG::ff_audio_for_video(int vstream, int astream, int64_t &channel_mask)
2216 int vidx = ffvideo[vstream]->fidx;
2217 // find first program with this video stream
2218 for( int i=0; pidx<0 && i<(int)fmt_ctx->nb_programs; ++i ) {
2219 AVProgram *pgrm = fmt_ctx->programs[i];
2220 for( int j=0; pidx<0 && j<(int)pgrm->nb_stream_indexes; ++j ) {
2221 int st_idx = pgrm->stream_index[j];
2222 AVStream *st = fmt_ctx->streams[st_idx];
2223 if( st->codec->codec_type != AVMEDIA_TYPE_VIDEO ) continue;
2224 if( st_idx == vidx ) pidx = i;
2227 if( pidx < 0 ) return -1;
2229 int64_t channels = 0;
2230 AVProgram *pgrm = fmt_ctx->programs[pidx];
2231 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2232 int aidx = pgrm->stream_index[j];
2233 AVStream *st = fmt_ctx->streams[aidx];
2234 if( st->codec->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
2235 if( astream > 0 ) { --astream; continue; }
2237 for( int i=0; astrm<0 && i<ffaudio.size(); ++i )
2238 if( ffaudio[i]->fidx == aidx ) astrm = i;
2240 if( ret < 0 ) ret = astrm;
2241 int64_t mask = (1 << ffaudio[astrm]->channels) - 1;
2242 channels |= mask << ffaudio[astrm]->channel0;
2244 if( !astream ) break;
2246 channel_mask = channels;
2251 int FFMPEG::ff_total_video_layers()
2253 return vstrm_index.size();
2256 int FFMPEG::ff_total_vstreams()
2258 return ffvideo.size();
2261 int FFMPEG::ff_video_width(int stream)
2263 return ffvideo[stream]->width;
2266 int FFMPEG::ff_video_height(int stream)
2268 return ffvideo[stream]->height;
2271 int FFMPEG::ff_set_video_width(int stream, int width)
2273 int w = ffvideo[stream]->width;
2274 ffvideo[stream]->width = width;
2278 int FFMPEG::ff_set_video_height(int stream, int height)
2280 int h = ffvideo[stream]->height;
2281 ffvideo[stream]->height = height;
2285 int FFMPEG::ff_coded_width(int stream)
2287 AVStream *st = ffvideo[stream]->st;
2288 return st->codec->coded_width;
2291 int FFMPEG::ff_coded_height(int stream)
2293 AVStream *st = ffvideo[stream]->st;
2294 return st->codec->coded_height;
2297 float FFMPEG::ff_aspect_ratio(int stream)
2299 return ffvideo[stream]->aspect_ratio;
2302 const char* FFMPEG::ff_video_format(int stream)
2304 AVStream *st = ffvideo[stream]->st;
2305 AVCodecID id = st->codec->codec_id;
2306 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
2307 return desc ? desc->name : _("Unknown");
2310 double FFMPEG::ff_frame_rate(int stream)
2312 return ffvideo[stream]->frame_rate;
2315 int64_t FFMPEG::ff_video_frames(int stream)
2317 return ffvideo[stream]->length;
2320 int FFMPEG::ff_video_pid(int stream)
2322 return ffvideo[stream]->st->id;
2326 int FFMPEG::ff_cpus()
2328 return file_base->file->cpus;
2331 int FFVideoStream::create_filter(const char *filter_spec,
2332 AVCodecContext *src_ctx, AVCodecContext *sink_ctx)
2334 avfilter_register_all();
2335 const char *sp = filter_spec;
2336 char filter_name[BCSTRLEN], *np = filter_name;
2337 int i = sizeof(filter_name);
2338 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
2340 AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
2341 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_VIDEO ) {
2342 ff_err(AVERROR(EINVAL), "FFVideoStream::create_filter: %s\n", filter_spec);
2345 filter_graph = avfilter_graph_alloc();
2346 AVFilter *buffersrc = avfilter_get_by_name("buffer");
2347 AVFilter *buffersink = avfilter_get_by_name("buffersink");
2349 int ret = 0; char args[BCTEXTLEN];
2350 snprintf(args, sizeof(args),
2351 "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
2352 src_ctx->width, src_ctx->height, src_ctx->pix_fmt,
2353 src_ctx->time_base.num, src_ctx->time_base.den,
2354 src_ctx->sample_aspect_ratio.num, src_ctx->sample_aspect_ratio.den);
2356 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
2357 args, NULL, filter_graph);
2359 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
2360 NULL, NULL, filter_graph);
2362 ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",
2363 (uint8_t*)&sink_ctx->pix_fmt, sizeof(sink_ctx->pix_fmt),
2364 AV_OPT_SEARCH_CHILDREN);
2366 ff_err(ret, "FFVideoStream::create_filter");
2368 ret = FFStream::create_filter(filter_spec);
2369 return ret >= 0 ? 0 : -1;
2372 int FFAudioStream::create_filter(const char *filter_spec,
2373 AVCodecContext *src_ctx, AVCodecContext *sink_ctx)
2375 avfilter_register_all();
2376 const char *sp = filter_spec;
2377 char filter_name[BCSTRLEN], *np = filter_name;
2378 int i = sizeof(filter_name);
2379 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
2381 AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
2382 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_AUDIO ) {
2383 ff_err(AVERROR(EINVAL), "FFAudioStream::create_filter: %s\n", filter_spec);
2386 filter_graph = avfilter_graph_alloc();
2387 AVFilter *buffersrc = avfilter_get_by_name("abuffer");
2388 AVFilter *buffersink = avfilter_get_by_name("abuffersink");
2389 int ret = 0; char args[BCTEXTLEN];
2390 snprintf(args, sizeof(args),
2391 "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%jx",
2392 src_ctx->time_base.num, src_ctx->time_base.den, src_ctx->sample_rate,
2393 av_get_sample_fmt_name(src_ctx->sample_fmt), src_ctx->channel_layout);
2395 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
2396 args, NULL, filter_graph);
2398 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
2399 NULL, NULL, filter_graph);
2401 ret = av_opt_set_bin(buffersink_ctx, "sample_fmts",
2402 (uint8_t*)&sink_ctx->sample_fmt, sizeof(sink_ctx->sample_fmt),
2403 AV_OPT_SEARCH_CHILDREN);
2405 ret = av_opt_set_bin(buffersink_ctx, "channel_layouts",
2406 (uint8_t*)&sink_ctx->channel_layout,
2407 sizeof(sink_ctx->channel_layout), AV_OPT_SEARCH_CHILDREN);
2409 ret = av_opt_set_bin(buffersink_ctx, "sample_rates",
2410 (uint8_t*)&sink_ctx->sample_rate, sizeof(sink_ctx->sample_rate),
2411 AV_OPT_SEARCH_CHILDREN);
2413 ff_err(ret, "FFAudioStream::create_filter");
2415 ret = FFStream::create_filter(filter_spec);
2416 return ret >= 0 ? 0 : -1;
2419 int FFStream::create_filter(const char *filter_spec)
2421 /* Endpoints for the filter graph. */
2422 AVFilterInOut *outputs = avfilter_inout_alloc();
2423 outputs->name = av_strdup("in");
2424 outputs->filter_ctx = buffersrc_ctx;
2425 outputs->pad_idx = 0;
2428 AVFilterInOut *inputs = avfilter_inout_alloc();
2429 inputs->name = av_strdup("out");
2430 inputs->filter_ctx = buffersink_ctx;
2431 inputs->pad_idx = 0;
2434 int ret = !outputs->name || !inputs->name ? -1 : 0;
2436 ret = avfilter_graph_parse_ptr(filter_graph, filter_spec,
2437 &inputs, &outputs, NULL);
2439 ret = avfilter_graph_config(filter_graph, NULL);
2442 ff_err(ret, "FFStream::create_filter");
2443 avfilter_graph_free(&filter_graph);
2446 avfilter_inout_free(&inputs);
2447 avfilter_inout_free(&outputs);
2451 void FFStream::add_bsfilter(const char *bsf, const char *ap)
2453 bsfilter.append(new BSFilter(bsf,ap));
2456 int FFStream::bs_filter(AVPacket *pkt)
2458 if( !bsfilter.size() ) return 0;
2459 av_packet_split_side_data(pkt);
2462 for( int i=0; i<bsfilter.size(); ++i ) {
2463 AVPacket bspkt = *pkt;
2464 ret = av_bitstream_filter_filter(bsfilter[i]->bsfc,
2465 st->codec, bsfilter[i]->args, &bspkt.data, &bspkt.size,
2466 pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY);
2467 if( ret < 0 ) break;
2468 int size = bspkt.size;
2469 uint8_t *data = bspkt.data;
2470 if( !ret && bspkt.data != pkt->data ) {
2472 data = (uint8_t *)av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
2473 if( !data ) { ret = AVERROR(ENOMEM); break; }
2474 memcpy(data, bspkt.data, size);
2475 memset(data+size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
2479 pkt->side_data = 0; pkt->side_data_elems = 0;
2480 av_packet_unref(pkt);
2481 ret = av_packet_from_data(&bspkt, data, size);
2482 if( ret < 0 ) break;
2487 ff_err(ret,"FFStream::bs_filter");
2491 int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
2494 av_init_packet(&pkt);
2495 AVFrame *frame = av_frame_alloc();
2497 fprintf(stderr,"FFMPEG::scan: ");
2498 fprintf(stderr,_("av_frame_alloc failed\n"));
2502 index_state->add_video_markers(ffvideo.size());
2503 index_state->add_audio_markers(ffaudio.size());
2505 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
2506 AVDictionary *copts = 0;
2507 av_dict_copy(&copts, opts, 0);
2508 AVStream *st = fmt_ctx->streams[i];
2509 AVCodecID codec_id = st->codec->codec_id;
2510 AVCodec *decoder = avcodec_find_decoder(codec_id);
2511 if( avcodec_open2(st->codec, decoder, &copts) < 0 ) {
2512 fprintf(stderr,"FFMPEG::scan: ");
2513 fprintf(stderr,_("codec open failed\n"));
2515 av_dict_free(&copts);
2518 for( int64_t count=0; !*canceled; ++count ) {
2519 av_packet_unref(&pkt);
2520 pkt.data = 0; pkt.size = 0;
2522 int ret = av_read_frame(fmt_ctx, &pkt);
2524 if( ret == AVERROR_EOF ) break;
2525 if( ++errs > 100 ) {
2526 ff_err(ret,_("over 100 read_frame errs\n"));
2531 if( !pkt.data ) continue;
2532 int i = pkt.stream_index;
2533 if( i < 0 || i >= (int)fmt_ctx->nb_streams ) continue;
2534 AVStream *st = fmt_ctx->streams[i];
2535 AVCodecContext *avctx = st->codec;
2536 if( pkt.pos > *scan_position ) *scan_position = pkt.pos;
2538 switch( avctx->codec_type ) {
2539 case AVMEDIA_TYPE_VIDEO: {
2540 int vidx = ffvideo.size();
2541 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
2542 if( vidx < 0 ) break;
2543 FFVideoStream *vid = ffvideo[vidx];
2544 int64_t tstmp = pkt.dts;
2545 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
2546 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
2547 if( vid->nudge != AV_NOPTS_VALUE ) tstmp -= vid->nudge;
2548 double secs = to_secs(tstmp, st->time_base);
2549 int64_t frm = secs * vid->frame_rate + 0.5;
2550 if( frm < 0 ) frm = 0;
2551 index_state->put_video_mark(vidx, frm, pkt.pos);
2554 while( pkt.size > 0 ) {
2555 av_frame_unref(frame);
2557 int ret = vid->decode_frame(&pkt, frame, got_frame);
2558 if( ret <= 0 ) break;
2559 // if( got_frame ) {}
2565 case AVMEDIA_TYPE_AUDIO: {
2566 int aidx = ffaudio.size();
2567 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
2568 if( aidx < 0 ) break;
2569 FFAudioStream *aud = ffaudio[aidx];
2570 int64_t tstmp = pkt.pts;
2571 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
2572 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
2573 if( aud->nudge != AV_NOPTS_VALUE ) tstmp -= aud->nudge;
2574 double secs = to_secs(tstmp, st->time_base);
2575 int64_t sample = secs * aud->sample_rate + 0.5;
2576 if( sample < 0 ) sample = 0;
2577 index_state->put_audio_mark(aidx, sample, pkt.pos);
2579 while( pkt.size > 0 ) {
2580 int ch = aud->channel0, nch = aud->channels;
2581 int64_t pos = index_state->pos(ch);
2582 if( pos != aud->curr_pos ) {
2583 if( abs(pos-aud->curr_pos) > 1 )
2584 printf("audio%d pad %jd %jd (%jd)\n", aud->idx, pos, aud->curr_pos, pos-aud->curr_pos);
2585 index_state->pad_data(ch, nch, aud->curr_pos);
2587 av_frame_unref(frame);
2589 int ret = aud->decode_frame(&pkt, frame, got_frame);
2590 if( ret <= 0 ) break;
2591 if( got_frame && frame->channels == nch ) {
2593 int len = aud->get_samples(samples,
2594 &frame->extended_data[0], frame->nb_samples);
2595 for( int i=0; i<nch; ++i )
2596 index_state->put_data(ch+i,nch,samples+i,len);
2597 aud->curr_pos += len;
2606 av_frame_free(&frame);
2610 void FFStream::load_markers(IndexMarks &marks, double rate)
2613 int64_t sz = marks.size();
2614 int max_entries = fmt_ctx->max_index_size / sizeof(AVIndexEntry) - 1;
2615 int nb_ent = st->nb_index_entries;
2616 // some formats already have an index
2618 AVIndexEntry *ep = &st->index_entries[nb_ent-1];
2619 int64_t tstmp = ep->timestamp;
2620 if( nudge != AV_NOPTS_VALUE ) tstmp -= nudge;
2621 double secs = ffmpeg->to_secs(tstmp, st->time_base);
2622 int64_t no = secs * rate;
2623 while( in < sz && marks[in].no <= no ) ++in;
2625 int64_t len = sz - in;
2626 int64_t count = max_entries - nb_ent;
2627 if( count > len ) count = len;
2628 for( int i=0; i<count; ++i ) {
2629 int k = in + i * len / count;
2630 int64_t no = marks[k].no, pos = marks[k].pos;
2631 double secs = (double)no / rate;
2632 int64_t tstmp = secs * st->time_base.den / st->time_base.num;
2633 if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
2634 av_add_index_entry(st, pos, tstmp, 0, 0, AVINDEX_KEYFRAME);