12 // work arounds (centos)
15 #define INT64_MAX 9223372036854775807LL
17 #define MAX_RETRY 1000
18 // max pts/curr_pos drift allowed before correction (in seconds)
19 #define AUDIO_PTS_TOLERANCE 0.04
22 #include "bccmodels.h"
25 #include "edlsession.h"
27 #include "fileffmpeg.h"
28 #include "filesystem.h"
30 #include "indexfile.h"
31 #include "interlacemodes.h"
34 #include "mainerror.h"
36 #include "preferences.h"
42 #define av_register_all(s)
43 #define avfilter_register_all(s)
46 #define VIDEO_INBUF_SIZE 0x10000
47 #define AUDIO_INBUF_SIZE 0x10000
48 #define VIDEO_REFILL_THRESH 0
49 #define AUDIO_REFILL_THRESH 0x1000
50 #define AUDIO_MIN_FRAME_SZ 128
52 #define FF_ESTM_TIMES 0x0001
53 #define FF_BAD_TIMES 0x0002
55 Mutex FFMPEG::fflock("FFMPEG::fflock");
57 static void ff_err(int ret, const char *fmt, ...)
62 vsnprintf(msg, sizeof(msg), fmt, ap);
64 char errmsg[BCSTRLEN];
65 av_strerror(ret, errmsg, sizeof(errmsg));
66 fprintf(stderr,_("%s err: %s\n"),msg, errmsg);
72 pkt.data = 0; pkt.size = 0;
74 void FFPacket::finit()
76 av_packet_unref(&pkt);
79 FFrame::FFrame(FFStream *fst)
82 frm = av_frame_alloc();
83 init = fst->init_frame(frm);
91 void FFrame::queue(int64_t pos)
97 void FFrame::dequeue()
102 void FFrame::set_hw_frame(AVFrame *frame)
108 int FFAudioStream::read(float *fp, long len)
116 while( --k >= 0 ) *fp++ = *op++;
117 if( op >= lmt ) op = bfr;
122 void FFAudioStream::realloc(long nsz, int nch, long len)
124 long bsz = nsz * nch;
125 float *np = new float[bsz];
126 inp = np + read(np, len) * nch;
131 delete [] bfr; bfr = np;
134 void FFAudioStream::realloc(long nsz, int nch)
136 if( nsz > sz || this->nch != nch ) {
137 long len = this->nch != nch ? 0 : hpos;
138 if( len > sz ) len = sz;
140 realloc(nsz, nch, len);
144 void FFAudioStream::reserve(long nsz, int nch)
146 long len = (inp - outp) / nch;
148 if( nsz > sz || this->nch != nch ) {
149 if( this->nch != nch ) len = 0;
150 realloc(nsz, nch, len);
153 if( (len*=nch) > 0 && bfr != outp )
154 memmove(bfr, outp, len*sizeof(*bfr));
159 long FFAudioStream::used()
161 long len = inp>=outp ? inp-outp : inp-bfr + lmt-outp;
164 long FFAudioStream::avail()
167 if( in1 >= lmt ) in1 = bfr;
168 long len = outp >= in1 ? outp-in1 : outp-bfr + lmt-in1;
171 void FFAudioStream::reset_history()
175 memset(bfr, 0, lmt-bfr);
178 void FFAudioStream::iseek(int64_t ofs)
180 if( ofs > hpos ) ofs = hpos;
181 if( ofs > sz ) ofs = sz;
182 outp = inp - ofs*nch;
183 if( outp < bfr ) outp += sz*nch;
186 float *FFAudioStream::get_outp(int ofs)
193 int64_t FFAudioStream::put_inp(int ofs)
196 return (inp-outp) / nch;
199 int FFAudioStream::write(const float *fp, long len)
207 while( --k >= 0 ) *ip++ = *fp++;
208 if( ip >= lmt ) ip = bfr;
215 int FFAudioStream::zero(long len)
223 while( --k >= 0 ) *ip++ = 0;
224 if( ip >= lmt ) ip = bfr;
231 // does not advance outp
232 int FFAudioStream::read(double *dp, long len, int ch)
235 float *op = outp + ch;
236 float *lmt1 = lmt + nch-1;
238 int k = (lmt1 - op) / nch;
241 while( --k >= 0 ) { *dp++ = *op; op += nch; }
242 if( op >= lmt ) op -= sz*nch;
247 // load linear buffer, no wrapping allowed, does not advance inp
248 int FFAudioStream::write(const double *dp, long len, int ch)
251 float *ip = inp + ch;
252 while( --n >= 0 ) { *ip = *dp++; ip += nch; }
257 FFStream::FFStream(FFMPEG *ffmpeg, AVStream *st, int fidx)
259 this->ffmpeg = ffmpeg;
262 frm_lock = new Mutex("FFStream::frm_lock");
269 nudge = AV_NOPTS_VALUE;
270 seek_pos = curr_pos = 0;
272 reading = writing = 0;
273 hw_pixfmt = AV_PIX_FMT_NONE;
286 FFStream::~FFStream()
288 frm_lock->lock("FFStream::~FFStream");
289 if( reading > 0 || writing > 0 ) avcodec_close(avctx);
290 if( avctx ) avcodec_free_context(&avctx);
291 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
292 if( hw_device_ctx ) av_buffer_unref(&hw_device_ctx);
293 if( bsfc ) av_bsf_free(&bsfc);
294 while( frms.first ) frms.remove(frms.first);
295 if( filter_graph ) avfilter_graph_free(&filter_graph);
296 if( frame ) av_frame_free(&frame);
297 if( fframe ) av_frame_free(&fframe);
298 if( probe_frame ) av_frame_free(&probe_frame);
301 if( stats_fp ) fclose(stats_fp);
302 if( stats_in ) av_freep(&stats_in);
303 delete [] stats_filename;
306 void FFStream::ff_lock(const char *cp)
308 FFMPEG::fflock.lock(cp);
311 void FFStream::ff_unlock()
313 FFMPEG::fflock.unlock();
316 void FFStream::queue(FFrame *frm)
318 frm_lock->lock("FFStream::queue");
322 ffmpeg->mux_lock->unlock();
325 void FFStream::dequeue(FFrame *frm)
327 frm_lock->lock("FFStream::dequeue");
329 frms.remove_pointer(frm);
333 int FFStream::encode_activate()
336 writing = ffmpeg->encode_activate();
340 // this is a global parameter that really should be in the context
341 static AVPixelFormat hw_pix_fmt = AV_PIX_FMT_NONE; // protected by ff_lock
343 // goofy maneuver to attach a hw_format to an av_context
344 #define GET_HW_PIXFMT(fn, fmt) \
345 static AVPixelFormat get_hw_##fn(AVCodecContext *ctx, const enum AVPixelFormat *pix_fmts) { \
348 GET_HW_PIXFMT(vaapi, AV_PIX_FMT_VAAPI)
349 GET_HW_PIXFMT(vdpau, AV_PIX_FMT_VDPAU)
350 GET_HW_PIXFMT(cuda, AV_PIX_FMT_CUDA)
351 GET_HW_PIXFMT(nv12, AV_PIX_FMT_NV12)
353 static enum AVPixelFormat get_hw_format(AVCodecContext *ctx,
354 const enum AVPixelFormat *pix_fmts)
356 for( const enum AVPixelFormat *p=pix_fmts; *p!=AV_PIX_FMT_NONE; ++p ) {
357 if( *p != hw_pix_fmt ) continue;
359 case AV_PIX_FMT_VAAPI: ctx->get_format = get_hw_vaapi; return *p;
360 case AV_PIX_FMT_VDPAU: ctx->get_format = get_hw_vdpau; return *p;
361 case AV_PIX_FMT_CUDA: ctx->get_format = get_hw_cuda; return *p;
362 case AV_PIX_FMT_NV12: ctx->get_format = get_hw_nv12; return *p;
364 fprintf(stderr, "Unknown HW surface format: %s\n",
365 av_get_pix_fmt_name(*p));
369 fprintf(stderr, "Failed to get HW surface format.\n");
370 return hw_pix_fmt = AV_PIX_FMT_NONE;
374 AVHWDeviceType FFStream::decode_hw_activate()
376 return AV_HWDEVICE_TYPE_NONE;
379 int FFStream::decode_hw_format(AVCodec *decoder, AVHWDeviceType type)
384 int FFStream::decode_activate()
386 if( reading < 0 && (reading=ffmpeg->decode_activate()) > 0 ) {
387 ff_lock("FFStream::decode_activate");
389 AVDictionary *copts = 0;
390 av_dict_copy(&copts, ffmpeg->opts, 0);
392 AVHWDeviceType hw_type = decode_hw_activate();
394 // this should be avformat_copy_context(), but no copy avail
395 ret = avformat_open_input(&fmt_ctx,
396 ffmpeg->fmt_ctx->url, ffmpeg->fmt_ctx->iformat, &copts);
398 ret = avformat_find_stream_info(fmt_ctx, 0);
399 st = fmt_ctx->streams[fidx];
402 while( ret >= 0 && st != 0 && !reading ) {
403 AVCodecID codec_id = st->codecpar->codec_id;
404 AVCodec *decoder = 0;
406 if( ffmpeg->opt_video_decoder )
407 decoder = avcodec_find_decoder_by_name(ffmpeg->opt_video_decoder);
409 ffmpeg->video_codec_remaps.update(codec_id, decoder);
411 else if( is_audio() ) {
412 if( ffmpeg->opt_audio_decoder )
413 decoder = avcodec_find_decoder_by_name(ffmpeg->opt_audio_decoder);
415 ffmpeg->audio_codec_remaps.update(codec_id, decoder);
418 decoder = avcodec_find_decoder(codec_id);
419 avctx = avcodec_alloc_context3(decoder);
421 eprintf(_("cant allocate codec context\n"));
422 ret = AVERROR(ENOMEM);
424 if( ret >= 0 && hw_type != AV_HWDEVICE_TYPE_NONE ) {
425 ret = decode_hw_format(decoder, hw_type);
428 avcodec_parameters_to_context(avctx, st->codecpar);
429 if( !av_dict_get(copts, "threads", NULL, 0) )
430 avctx->thread_count = ffmpeg->ff_cpus();
431 ret = avcodec_open2(avctx, decoder, &copts);
433 AVFrame *hw_frame = 0;
434 if( ret >= 0 && hw_type != AV_HWDEVICE_TYPE_NONE ) {
435 if( !(hw_frame=av_frame_alloc()) ) {
436 fprintf(stderr, "FFStream::decode_activate: av_frame_alloc failed\n");
437 ret = AVERROR(ENOMEM);
440 ret = decode(hw_frame);
442 if( ret < 0 && hw_type != AV_HWDEVICE_TYPE_NONE ) {
443 ff_err(ret, "HW device init failed, using SW decode.\nfile:%s\n",
444 ffmpeg->fmt_ctx->url);
445 avcodec_close(avctx);
446 avcodec_free_context(&avctx);
447 av_buffer_unref(&hw_device_ctx);
449 av_frame_free(&hw_frame);
450 hw_type = AV_HWDEVICE_TYPE_NONE;
451 int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
453 av_seek_frame(fmt_ctx, idx, 0, flags);
454 need_packet = 1; flushed = 0;
455 seeked = 1; st_eof(0);
459 probe_frame = hw_frame;
463 eprintf(_("open decoder failed\n"));
466 eprintf(_("can't open input file: %s\n"), ffmpeg->fmt_ctx->url);
467 av_dict_free(&copts);
473 int FFStream::read_packet()
475 av_packet_unref(ipkt);
476 int ret = av_read_frame(fmt_ctx, ipkt);
479 if( ret == AVERROR_EOF ) return 0;
480 ff_err(ret, "FFStream::read_packet: av_read_frame failed\n");
487 int FFStream::decode(AVFrame *frame)
489 if( probe_frame ) { // hw probe reads first frame
490 av_frame_ref(frame, probe_frame);
491 av_frame_free(&probe_frame);
495 int retries = MAX_RETRY;
496 frm_lock->lock("FFStream::decode");
497 while( ret >= 0 && !flushed && --retries >= 0 ) {
499 if( (ret=read_packet()) < 0 ) break;
500 AVPacket *pkt = ret > 0 ? (AVPacket*)ipkt : 0;
502 if( pkt->stream_index != st->index ) continue;
503 if( !pkt->data || !pkt->size ) continue;
505 if( (ret=avcodec_send_packet(avctx, pkt)) < 0 ) {
506 ff_err(ret, "FFStream::decode: avcodec_send_packet failed.\nfile:%s\n",
507 ffmpeg->fmt_ctx->url);
513 if( (ret=decode_frame(frame)) > 0 ) break;
522 fprintf(stderr, "FFStream::decode: Retry limit\n");
526 fprintf(stderr, "FFStream::decode: failed\n");
530 int FFStream::load_filter(AVFrame *frame)
532 int ret = av_buffersrc_add_frame_flags(buffersrc_ctx, frame, 0);
534 eprintf(_("av_buffersrc_add_frame_flags failed\n"));
538 int FFStream::read_filter(AVFrame *frame)
540 int ret = av_buffersink_get_frame(buffersink_ctx, frame);
542 if( ret == AVERROR(EAGAIN) ) return 0;
543 if( ret == AVERROR_EOF ) { st_eof(1); return -1; }
544 ff_err(ret, "FFStream::read_filter: av_buffersink_get_frame failed\n");
550 int FFStream::read_frame(AVFrame *frame)
552 av_frame_unref(frame);
553 if( !filter_graph || !buffersrc_ctx || !buffersink_ctx )
554 return decode(frame);
555 if( !fframe && !(fframe=av_frame_alloc()) ) {
556 fprintf(stderr, "FFStream::read_frame: av_frame_alloc failed\n");
560 while( !flushed && !(ret=read_filter(frame)) ) {
561 if( (ret=decode(fframe)) < 0 ) break;
562 if( ret > 0 && (ret=load_filter(fframe)) < 0 ) break;
567 int FFStream::write_packet(FFPacket &pkt)
571 av_packet_rescale_ts(pkt, avctx->time_base, st->time_base);
572 pkt->stream_index = st->index;
573 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, pkt);
576 ret = av_bsf_send_packet(bsfc, pkt);
579 if( (ret=av_bsf_receive_packet(bsfc, bs)) < 0 ) {
580 if( ret == AVERROR(EAGAIN) ) return 0;
581 if( ret == AVERROR_EOF ) return -1;
584 av_packet_rescale_ts(bs, avctx->time_base, st->time_base);
585 bs->stream_index = st->index;
586 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, bs);
590 ff_err(ret, "FFStream::write_packet: write packet failed.\nfile:%s\n",
591 ffmpeg->fmt_ctx->url);
595 int FFStream::encode_frame(AVFrame *frame)
597 int pkts = 0, ret = 0;
598 for( int retry=MAX_RETRY; --retry>=0; ) {
600 ret = avcodec_send_frame(avctx, frame);
601 if( !ret && frame ) return pkts;
602 if( ret < 0 && ret != AVERROR(EAGAIN) ) break;
604 ret = avcodec_receive_packet(avctx, opkt);
605 if( !frame && ret == AVERROR_EOF ) return pkts;
607 ret = write_packet(opkt);
610 if( frame && stats_fp ) {
611 ret = write_stats_file();
615 ff_err(ret, "FFStream::encode_frame: encode failed.\nfile: %s\n",
616 ffmpeg->fmt_ctx->url);
620 int FFStream::flush()
624 int ret = encode_frame(0);
625 if( ret >= 0 && stats_fp ) {
626 ret = write_stats_file();
630 ff_err(ret, "FFStream::flush failed\n:file:%s\n",
631 ffmpeg->fmt_ctx->url);
632 return ret >= 0 ? 0 : 1;
636 int FFStream::open_stats_file()
638 stats_fp = fopen(stats_filename,"w");
639 return stats_fp ? 0 : AVERROR(errno);
642 int FFStream::close_stats_file()
645 fclose(stats_fp); stats_fp = 0;
650 int FFStream::read_stats_file()
652 int64_t len = 0; struct stat stats_st;
653 int fd = open(stats_filename, O_RDONLY);
654 int ret = fd >= 0 ? 0: ENOENT;
655 if( !ret && fstat(fd, &stats_st) )
658 len = stats_st.st_size;
659 stats_in = (char *)av_malloc(len+1);
663 if( !ret && read(fd, stats_in, len+1) != len )
667 avctx->stats_in = stats_in;
671 return !ret ? 0 : AVERROR(ret);
674 int FFStream::write_stats_file()
677 if( avctx->stats_out && (ret=strlen(avctx->stats_out)) > 0 ) {
678 int len = fwrite(avctx->stats_out, 1, ret, stats_fp);
680 ff_err(ret = AVERROR(errno), "FFStream::write_stats_file.\n%file:%s\n",
681 ffmpeg->fmt_ctx->url);
686 int FFStream::init_stats_file()
689 if( (pass & 2) && (ret = read_stats_file()) < 0 )
690 ff_err(ret, "stat file read: %s", stats_filename);
691 if( (pass & 1) && (ret=open_stats_file()) < 0 )
692 ff_err(ret, "stat file open: %s", stats_filename);
693 return ret >= 0 ? 0 : ret;
696 int FFStream::seek(int64_t no, double rate)
698 // default ffmpeg native seek
700 int64_t pos = no, pkt_pos = -1;
701 IndexMarks *index_markers = get_markers();
702 if( index_markers && index_markers->size() > 1 ) {
703 IndexMarks &marks = *index_markers;
704 int i = marks.find(pos);
705 int64_t n = i < 0 ? (i=0) : marks[i].no;
706 // if indexed seek point not too far away (<30 secs), use index
707 if( no-n < 30*rate ) {
710 if( i < marks.size() ) pkt_pos = marks[i].pos;
714 if( pos == curr_pos ) return 0;
715 double secs = pos < 0 ? 0. : pos / rate;
716 AVRational time_base = st->time_base;
717 int64_t tstmp = time_base.num > 0 ? secs * time_base.den/time_base.num : 0;
719 if( st->nb_index_entries > 0 ) tstmp = st->index_entries[0].timestamp;
720 else if( st->start_time != AV_NOPTS_VALUE ) tstmp = st->start_time;
721 else if( st->first_dts != AV_NOPTS_VALUE ) tstmp = st->first_dts;
722 else tstmp = INT64_MIN+1;
724 else if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
727 // seek all streams using the default timebase.
728 // this is how ffmpeg and ffplay work. stream seeks are less tested.
729 tstmp = av_rescale_q(tstmp, time_base, AV_TIME_BASE_Q);
732 frm_lock->lock("FFStream::seek");
733 av_frame_free(&probe_frame);
734 avcodec_flush_buffers(avctx);
735 avformat_flush(fmt_ctx);
737 int64_t seek = tstmp;
738 int flags = AVSEEK_FLAG_ANY;
739 if( !(fmt_ctx->iformat->flags & AVFMT_NO_BYTE_SEEK) && pkt_pos >= 0 ) {
741 flags = AVSEEK_FLAG_BYTE;
743 int ret = avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, seek, INT64_MAX, flags);
745 // finds the first index frame below the target time
746 int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
747 int ret = av_seek_frame(fmt_ctx, idx, tstmp, flags);
749 int retry = MAX_RETRY;
751 need_packet = 0; flushed = 0;
752 seeked = 1; st_eof(0);
753 // read up to retry packets, limited to npkts in stream, and not pkt.pos past pkt_pos
754 while( --retry >= 0 ) {
755 if( read_packet() <= 0 ) { ret = -1; break; }
756 if( ipkt->stream_index != st->index ) continue;
757 if( !ipkt->data || !ipkt->size ) continue;
758 if( pkt_pos >= 0 && ipkt->pos >= pkt_pos ) break;
759 if( --npkts <= 0 ) break;
760 int64_t pkt_ts = ipkt->dts != AV_NOPTS_VALUE ? ipkt->dts : ipkt->pts;
761 if( pkt_ts == AV_NOPTS_VALUE ) continue;
762 if( pkt_ts >= tstmp ) break;
765 fprintf(stderr,"FFStream::seek: retry limit, pos=%jd tstmp=%jd\n",pos,tstmp);
769 ret = avcodec_send_packet(avctx, ipkt);
771 //some codecs need more than one pkt to resync
772 if( ret == AVERROR_INVALIDDATA ) ret = 0;
774 ff_err(ret, "FFStream::avcodec_send_packet failed.\nseek:%s\n",
775 ffmpeg->fmt_ctx->url);
781 printf("** seek fail %jd, %jd\n", pos, tstmp);
782 seeked = need_packet = 0;
786 //printf("seeked pos = %ld, %ld\n", pos, tstmp);
787 seek_pos = curr_pos = pos;
791 FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
792 : FFStream(ffmpeg, strm, fidx)
795 channel0 = channels = 0;
798 frame_sz = AUDIO_MIN_FRAME_SZ;
800 resample_context = 0;
801 swr_ichs = swr_ifmt = swr_irate = 0;
810 bfr = new float[bsz];
815 FFAudioStream::~FFAudioStream()
817 if( resample_context ) swr_free(&resample_context);
822 void FFAudioStream::init_swr(int ichs, int ifmt, int irate)
824 if( resample_context ) {
825 if( swr_ichs == ichs && swr_ifmt == ifmt && swr_irate == irate )
827 swr_free(&resample_context);
829 swr_ichs = ichs; swr_ifmt = ifmt; swr_irate = irate;
830 if( ichs == channels && ifmt == AV_SAMPLE_FMT_FLT && irate == sample_rate )
832 uint64_t ilayout = av_get_default_channel_layout(ichs);
833 if( !ilayout ) ilayout = ((uint64_t)1<<ichs) - 1;
834 uint64_t olayout = av_get_default_channel_layout(channels);
835 if( !olayout ) olayout = ((uint64_t)1<<channels) - 1;
836 resample_context = swr_alloc_set_opts(NULL,
837 olayout, AV_SAMPLE_FMT_FLT, sample_rate,
838 ilayout, (AVSampleFormat)ifmt, irate,
840 if( resample_context )
841 swr_init(resample_context);
844 int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
846 samples = *(float **)data;
847 if( resample_context ) {
848 if( len > aud_bfr_sz ) {
854 aud_bfr = new float[aud_bfr_sz*channels];
856 int ret = swr_convert(resample_context,
857 (uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
859 ff_err(ret, "FFAudioStream::get_samples: swr_convert failed\n");
868 int FFAudioStream::load_history(uint8_t **data, int len)
871 len = get_samples(samples, data, len);
873 // biggest user bfr since seek + frame
874 realloc(mbsz + len + 1, channels);
880 int FFAudioStream::decode_frame(AVFrame *frame)
882 int first_frame = seeked; seeked = 0;
883 frame->best_effort_timestamp = AV_NOPTS_VALUE;
884 int ret = avcodec_receive_frame(avctx, frame);
886 if( first_frame ) return 0;
887 if( ret == AVERROR(EAGAIN) ) return 0;
888 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
889 ff_err(ret, "FFAudioStream::decode_frame: Could not read audio frame.\nfile:%s\n",
890 ffmpeg->fmt_ctx->url);
893 int64_t pkt_ts = frame->best_effort_timestamp;
894 if( pkt_ts != AV_NOPTS_VALUE ) {
895 double ts = ffmpeg->to_secs(pkt_ts - nudge, st->time_base);
896 double t = (double)curr_pos / sample_rate;
897 // some time_base clocks are very grainy, too grainy for audio (clicks, pops)
898 if( fabs(ts - t) > AUDIO_PTS_TOLERANCE )
899 curr_pos = ts * sample_rate + 0.5;
904 int FFAudioStream::encode_activate()
906 if( writing >= 0 ) return writing;
907 if( !avctx->codec ) return writing = 0;
908 frame_sz = avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE ?
909 10000 : avctx->frame_size;
910 return FFStream::encode_activate();
913 int64_t FFAudioStream::load_buffer(double ** const sp, int len)
915 reserve(len+1, st->codecpar->channels);
916 for( int ch=0; ch<nch; ++ch )
917 write(sp[ch], len, ch);
921 int FFAudioStream::in_history(int64_t pos)
923 if( pos > curr_pos ) return 0;
925 if( len > sz ) len = sz;
926 if( pos < curr_pos - len ) return 0;
931 int FFAudioStream::init_frame(AVFrame *frame)
933 frame->nb_samples = frame_sz;
934 frame->format = avctx->sample_fmt;
935 frame->channel_layout = avctx->channel_layout;
936 frame->sample_rate = avctx->sample_rate;
937 int ret = av_frame_get_buffer(frame, 0);
939 ff_err(ret, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
943 int FFAudioStream::load(int64_t pos, int len)
945 if( audio_seek(pos) < 0 ) return -1;
946 if( !frame && !(frame=av_frame_alloc()) ) {
947 fprintf(stderr, "FFAudioStream::load: av_frame_alloc failed\n");
950 if( mbsz < len ) mbsz = len;
951 int64_t end_pos = pos + len;
952 int ret = 0, i = len / frame_sz + MAX_RETRY;
953 while( ret>=0 && !flushed && curr_pos<end_pos && --i>=0 ) {
954 ret = read_frame(frame);
955 if( ret > 0 && frame->nb_samples > 0 ) {
956 init_swr(frame->channels, frame->format, frame->sample_rate);
957 load_history(&frame->extended_data[0], frame->nb_samples);
958 curr_pos += frame->nb_samples;
961 if( end_pos > curr_pos ) {
962 zero(end_pos - curr_pos);
965 len = curr_pos - pos;
970 int FFAudioStream::audio_seek(int64_t pos)
972 if( decode_activate() <= 0 ) return -1;
973 if( !st->codecpar ) return -1;
974 if( in_history(pos) ) return 0;
975 if( pos == curr_pos ) return 0;
976 reset_history(); mbsz = 0;
977 // guarentee preload > 1sec samples
978 if( (pos-=sample_rate) < 0 ) pos = 0;
979 if( seek(pos, sample_rate) < 0 ) return -1;
983 int FFAudioStream::encode(double **samples, int len)
985 if( encode_activate() <= 0 ) return -1;
988 int64_t count = samples ? load_buffer(samples, len) : used();
989 int frame_sz1 = samples ? frame_sz-1 : 0;
992 while( ret >= 0 && count > frame_sz1 ) {
993 frm = new FFrame(this);
994 if( (ret=frm->initted()) < 0 ) break;
995 AVFrame *frame = *frm;
996 len = count >= frame_sz ? frame_sz : count;
997 float *bfrp = get_outp(len);
998 ret = swr_convert(resample_context,
999 (uint8_t **)frame->extended_data, len,
1000 (const uint8_t **)&bfrp, len);
1002 ff_err(ret, "FFAudioStream::encode: swr_convert failed\n");
1005 frame->nb_samples = len;
1006 frm->queue(curr_pos);
1013 return ret >= 0 ? 0 : 1;
1016 int FFAudioStream::drain()
1021 int FFAudioStream::encode_frame(AVFrame *frame)
1023 return FFStream::encode_frame(frame);
1026 int FFAudioStream::write_packet(FFPacket &pkt)
1028 return FFStream::write_packet(pkt);
1031 void FFAudioStream::load_markers()
1033 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1034 if( !index_state || idx >= index_state->audio_markers.size() ) return;
1035 if( index_state->marker_status == MARKERS_NOTTESTED ) return;
1036 FFStream::load_markers(*index_state->audio_markers[idx], sample_rate);
1039 IndexMarks *FFAudioStream::get_markers()
1041 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1042 if( !index_state || idx >= index_state->audio_markers.size() ) return 0;
1043 return index_state->audio_markers[idx];
1046 FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
1047 : FFStream(ffmpeg, strm, fidx),
1048 FFVideoConvert(ffmpeg->ff_prefs())
1056 top_field_first = 0;
1061 FFVideoStream::~FFVideoStream()
1065 AVHWDeviceType FFVideoStream::decode_hw_activate()
1067 AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
1068 const char *hw_dev = ffmpeg->opt_hw_dev;
1069 if( !hw_dev ) hw_dev = getenv("CIN_HW_DEV");
1070 if( !hw_dev ) hw_dev = ffmpeg->ff_hw_dev();
1071 if( hw_dev && *hw_dev &&
1072 strcmp("none", hw_dev) && strcmp(_("none"), hw_dev) ) {
1073 type = av_hwdevice_find_type_by_name(hw_dev);
1074 if( type == AV_HWDEVICE_TYPE_NONE ) {
1075 fprintf(stderr, "Device type %s is not supported.\n", hw_dev);
1076 fprintf(stderr, "Available device types:");
1077 while( (type = av_hwdevice_iterate_types(type)) != AV_HWDEVICE_TYPE_NONE )
1078 fprintf(stderr, " %s", av_hwdevice_get_type_name(type));
1079 fprintf(stderr, "\n");
1085 int FFVideoStream::decode_hw_format(AVCodec *decoder, AVHWDeviceType type)
1088 hw_pix_fmt = AV_PIX_FMT_NONE;
1089 for( int i=0; ; ++i ) {
1090 const AVCodecHWConfig *config = avcodec_get_hw_config(decoder, i);
1092 fprintf(stderr, "Decoder %s does not support device type %s.\n",
1093 decoder->name, av_hwdevice_get_type_name(type));
1097 if( (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX) != 0 &&
1098 config->device_type == type ) {
1099 hw_pix_fmt = config->pix_fmt;
1103 if( hw_pix_fmt >= 0 ) {
1104 hw_pixfmt = hw_pix_fmt;
1105 avctx->get_format = get_hw_format;
1106 ret = av_hwdevice_ctx_create(&hw_device_ctx, type, 0, 0, 0);
1108 avctx->hw_device_ctx = av_buffer_ref(hw_device_ctx);
1112 ff_err(ret, "Failed HW device create.\ndev:%s\n",
1113 av_hwdevice_get_type_name(type));
1120 AVHWDeviceType FFVideoStream::encode_hw_activate(const char *hw_dev)
1122 AVBufferRef *hw_device_ctx = 0;
1123 AVBufferRef *hw_frames_ref = 0;
1124 AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
1125 if( strcmp(_("none"), hw_dev) ) {
1126 type = av_hwdevice_find_type_by_name(hw_dev);
1127 if( type != AV_HWDEVICE_TYPE_VAAPI ) {
1128 fprintf(stderr, "currently, only vaapi hw encode is supported\n");
1129 type = AV_HWDEVICE_TYPE_NONE;
1132 if( type != AV_HWDEVICE_TYPE_NONE ) {
1133 int ret = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_VAAPI, 0, 0, 0);
1135 ff_err(ret, "Failed to create a HW device.\n");
1136 type = AV_HWDEVICE_TYPE_NONE;
1139 if( type != AV_HWDEVICE_TYPE_NONE ) {
1140 hw_frames_ref = av_hwframe_ctx_alloc(hw_device_ctx);
1141 if( !hw_frames_ref ) {
1142 fprintf(stderr, "Failed to create HW frame context.\n");
1143 type = AV_HWDEVICE_TYPE_NONE;
1146 if( type != AV_HWDEVICE_TYPE_NONE ) {
1147 AVHWFramesContext *frames_ctx = (AVHWFramesContext *)(hw_frames_ref->data);
1148 frames_ctx->format = AV_PIX_FMT_VAAPI;
1149 frames_ctx->sw_format = AV_PIX_FMT_NV12;
1150 frames_ctx->width = width;
1151 frames_ctx->height = height;
1152 frames_ctx->initial_pool_size = 0; // 200;
1153 int ret = av_hwframe_ctx_init(hw_frames_ref);
1155 avctx->hw_frames_ctx = av_buffer_ref(hw_frames_ref);
1156 if( !avctx->hw_frames_ctx ) ret = AVERROR(ENOMEM);
1159 ff_err(ret, "Failed to initialize HW frame context.\n");
1160 type = AV_HWDEVICE_TYPE_NONE;
1162 av_buffer_unref(&hw_frames_ref);
1167 int FFVideoStream::encode_hw_write(FFrame *picture)
1170 AVFrame *hw_frm = 0;
1171 switch( avctx->pix_fmt ) {
1172 case AV_PIX_FMT_VAAPI:
1173 hw_frm = av_frame_alloc();
1174 if( !hw_frm ) { ret = AVERROR(ENOMEM); break; }
1175 ret = av_hwframe_get_buffer(avctx->hw_frames_ctx, hw_frm, 0);
1176 if( ret < 0 ) break;
1177 ret = av_hwframe_transfer_data(hw_frm, *picture, 0);
1178 if( ret < 0 ) break;
1179 picture->set_hw_frame(hw_frm);
1184 av_frame_free(&hw_frm);
1185 ff_err(ret, "Error while transferring frame data to GPU.\n");
1189 int FFVideoStream::decode_frame(AVFrame *frame)
1191 int first_frame = seeked; seeked = 0;
1192 int ret = avcodec_receive_frame(avctx, frame);
1194 if( first_frame ) return 0;
1195 if( ret == AVERROR(EAGAIN) ) return 0;
1196 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
1197 ff_err(ret, "FFVideoStream::decode_frame: Could not read video frame.\nfile:%s\n,",
1198 ffmpeg->fmt_ctx->url);
1201 int64_t pkt_ts = frame->best_effort_timestamp;
1202 if( pkt_ts != AV_NOPTS_VALUE )
1203 curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * frame_rate + 0.5;
1207 int FFVideoStream::load(VFrame *vframe, int64_t pos)
1209 int ret = video_seek(pos);
1210 if( ret < 0 ) return -1;
1211 if( !frame && !(frame=av_frame_alloc()) ) {
1212 fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
1215 int i = MAX_RETRY + pos - curr_pos;
1216 while( ret>=0 && !flushed && curr_pos<=pos && --i>=0 ) {
1217 ret = read_frame(frame);
1218 if( ret > 0 ) ++curr_pos;
1220 if( frame->format == AV_PIX_FMT_NONE || frame->width <= 0 || frame->height <= 0 )
1223 ret = convert_cmodel(vframe, frame);
1225 ret = ret > 0 ? 1 : ret < 0 ? -1 : 0;
1229 int FFVideoStream::video_seek(int64_t pos)
1231 if( decode_activate() <= 0 ) return -1;
1232 if( !st->codecpar ) return -1;
1233 if( pos == curr_pos-1 && !seeked ) return 0;
1234 // if close enough, just read up to current
1235 int gop = avctx->gop_size;
1236 if( gop < 4 ) gop = 4;
1237 if( gop > 64 ) gop = 64;
1238 int read_limit = curr_pos + 3*gop;
1239 if( pos >= curr_pos && pos <= read_limit ) return 0;
1240 // guarentee preload more than 2*gop frames
1241 if( seek(pos - 3*gop, frame_rate) < 0 ) return -1;
1245 int FFVideoStream::init_frame(AVFrame *picture)
1247 switch( avctx->pix_fmt ) {
1248 case AV_PIX_FMT_VAAPI:
1249 picture->format = AV_PIX_FMT_NV12;
1252 picture->format = avctx->pix_fmt;
1255 picture->width = avctx->width;
1256 picture->height = avctx->height;
1257 int ret = av_frame_get_buffer(picture, 32);
1261 int FFVideoStream::encode(VFrame *vframe)
1263 if( encode_activate() <= 0 ) return -1;
1265 FFrame *picture = new FFrame(this);
1266 int ret = picture->initted();
1268 AVFrame *frame = *picture;
1269 frame->pts = curr_pos;
1270 ret = convert_pixfmt(vframe, frame);
1272 if( ret >= 0 && avctx->hw_frames_ctx )
1273 encode_hw_write(picture);
1275 picture->queue(curr_pos);
1279 fprintf(stderr, "FFVideoStream::encode: encode failed\n");
1282 return ret >= 0 ? 0 : 1;
1285 int FFVideoStream::drain()
1290 int FFVideoStream::encode_frame(AVFrame *frame)
1293 frame->interlaced_frame = interlaced;
1294 frame->top_field_first = top_field_first;
1296 if( frame && frame->format == AV_PIX_FMT_VAAPI ) { // ugly
1297 int ret = avcodec_send_frame(avctx, frame);
1298 for( int retry=MAX_RETRY; !ret && --retry>=0; ) {
1299 FFPacket pkt; av_init_packet(pkt);
1300 pkt->data = NULL; pkt->size = 0;
1301 if( (ret=avcodec_receive_packet(avctx, pkt)) < 0 ) {
1302 if( ret == AVERROR(EAGAIN) ) ret = 0; // weird
1305 ret = write_packet(pkt);
1306 pkt->stream_index = 0;
1307 av_packet_unref(pkt);
1310 ff_err(ret, "FFStream::encode_frame: vaapi encode failed.\nfile: %s\n",
1311 ffmpeg->fmt_ctx->url);
1316 return FFStream::encode_frame(frame);
1319 int FFVideoStream::write_packet(FFPacket &pkt)
1321 if( !(ffmpeg->fmt_ctx->oformat->flags & AVFMT_VARIABLE_FPS) )
1323 return FFStream::write_packet(pkt);
1326 AVPixelFormat FFVideoConvert::color_model_to_pix_fmt(int color_model)
1328 switch( color_model ) {
1329 case BC_YUV422: return AV_PIX_FMT_YUYV422;
1330 case BC_RGB888: return AV_PIX_FMT_RGB24;
1331 case BC_RGBA8888: return AV_PIX_FMT_RGBA;
1332 case BC_BGR8888: return AV_PIX_FMT_BGR0;
1333 case BC_BGR888: return AV_PIX_FMT_BGR24;
1334 case BC_ARGB8888: return AV_PIX_FMT_ARGB;
1335 case BC_ABGR8888: return AV_PIX_FMT_ABGR;
1336 case BC_RGB8: return AV_PIX_FMT_RGB8;
1337 case BC_YUV420P: return AV_PIX_FMT_YUV420P;
1338 case BC_YUV422P: return AV_PIX_FMT_YUV422P;
1339 case BC_YUV444P: return AV_PIX_FMT_YUV444P;
1340 case BC_YUV411P: return AV_PIX_FMT_YUV411P;
1341 case BC_RGB565: return AV_PIX_FMT_RGB565;
1342 case BC_RGB161616: return AV_PIX_FMT_RGB48LE;
1343 case BC_RGBA16161616: return AV_PIX_FMT_RGBA64LE;
1344 case BC_AYUV16161616: return AV_PIX_FMT_AYUV64LE;
1345 case BC_GBRP: return AV_PIX_FMT_GBRP;
1349 return AV_PIX_FMT_NB;
1352 int FFVideoConvert::pix_fmt_to_color_model(AVPixelFormat pix_fmt)
1355 case AV_PIX_FMT_YUYV422: return BC_YUV422;
1356 case AV_PIX_FMT_RGB24: return BC_RGB888;
1357 case AV_PIX_FMT_RGBA: return BC_RGBA8888;
1358 case AV_PIX_FMT_BGR0: return BC_BGR8888;
1359 case AV_PIX_FMT_BGR24: return BC_BGR888;
1360 case AV_PIX_FMT_ARGB: return BC_ARGB8888;
1361 case AV_PIX_FMT_ABGR: return BC_ABGR8888;
1362 case AV_PIX_FMT_RGB8: return BC_RGB8;
1363 case AV_PIX_FMT_YUV420P: return BC_YUV420P;
1364 case AV_PIX_FMT_YUV422P: return BC_YUV422P;
1365 case AV_PIX_FMT_YUV444P: return BC_YUV444P;
1366 case AV_PIX_FMT_YUV411P: return BC_YUV411P;
1367 case AV_PIX_FMT_RGB565: return BC_RGB565;
1368 case AV_PIX_FMT_RGB48LE: return BC_RGB161616;
1369 case AV_PIX_FMT_RGBA64LE: return BC_RGBA16161616;
1370 case AV_PIX_FMT_AYUV64LE: return BC_AYUV16161616;
1371 case AV_PIX_FMT_GBRP: return BC_GBRP;
1378 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip)
1380 AVFrame *ipic = av_frame_alloc();
1381 int ret = convert_picture_vframe(frame, ip, ipic);
1382 av_frame_free(&ipic);
1386 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip, AVFrame *ipic)
1387 { // picture = vframe
1388 int cmodel = frame->get_color_model();
1389 AVPixelFormat ofmt = color_model_to_pix_fmt(cmodel);
1390 if( ofmt == AV_PIX_FMT_NB ) return -1;
1391 int size = av_image_fill_arrays(ipic->data, ipic->linesize,
1392 frame->get_data(), ofmt, frame->get_w(), frame->get_h(), 1);
1393 if( size < 0 ) return -1;
1395 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1396 int ysz = bpp * frame->get_w(), usz = ysz;
1406 // override av_image_fill_arrays() for planar types
1407 ipic->data[0] = frame->get_y(); ipic->linesize[0] = ysz;
1408 ipic->data[1] = frame->get_u(); ipic->linesize[1] = usz;
1409 ipic->data[2] = frame->get_v(); ipic->linesize[2] = usz;
1412 ipic->data[0] = frame->get_data();
1413 ipic->linesize[0] = frame->get_bytes_per_line();
1417 AVPixelFormat pix_fmt = (AVPixelFormat)ip->format;
1418 FFVideoStream *vid =(FFVideoStream *)this;
1419 if( pix_fmt == vid->hw_pixfmt ) {
1421 if( !sw_frame && !(sw_frame=av_frame_alloc()) )
1422 ret = AVERROR(ENOMEM);
1424 ret = av_hwframe_transfer_data(sw_frame, ip, 0);
1426 pix_fmt = (AVPixelFormat)ip->format;
1429 eprintf(_("Error retrieving data from GPU to CPU\nfile: %s\n"),
1430 vid->ffmpeg->fmt_ctx->url);
1434 convert_ctx = sws_getCachedContext(convert_ctx, ip->width, ip->height, pix_fmt,
1435 frame->get_w(), frame->get_h(), ofmt, SWS_POINT, NULL, NULL, NULL);
1436 if( !convert_ctx ) {
1437 fprintf(stderr, "FFVideoConvert::convert_picture_frame:"
1438 " sws_getCachedContext() failed\n");
1442 int color_range = 0;
1443 switch( preferences->yuv_color_range ) {
1444 case BC_COLORS_JPEG: color_range = 1; break;
1445 case BC_COLORS_MPEG: color_range = 0; break;
1447 int color_space = SWS_CS_ITU601;
1448 switch( preferences->yuv_color_space ) {
1449 case BC_COLORS_BT601: color_space = SWS_CS_ITU601; break;
1450 case BC_COLORS_BT709: color_space = SWS_CS_ITU709; break;
1451 case BC_COLORS_BT2020: color_space = SWS_CS_BT2020; break;
1453 const int *color_table = sws_getCoefficients(color_space);
1455 int *inv_table, *table, src_range, dst_range;
1456 int brightness, contrast, saturation;
1457 if( !sws_getColorspaceDetails(convert_ctx,
1458 &inv_table, &src_range, &table, &dst_range,
1459 &brightness, &contrast, &saturation) ) {
1460 if( src_range != color_range || dst_range != color_range ||
1461 inv_table != color_table || table != color_table )
1462 sws_setColorspaceDetails(convert_ctx,
1463 color_table, color_range, color_table, color_range,
1464 brightness, contrast, saturation);
1467 int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ip->height,
1468 ipic->data, ipic->linesize);
1470 ff_err(ret, "FFVideoConvert::convert_picture_frame: sws_scale() failed\nfile: %s\n",
1471 vid->ffmpeg->fmt_ctx->url);
1477 int FFVideoConvert::convert_cmodel(VFrame *frame, AVFrame *ip)
1479 // try direct transfer
1480 if( !convert_picture_vframe(frame, ip) ) return 1;
1481 // use indirect transfer
1482 AVPixelFormat ifmt = (AVPixelFormat)ip->format;
1483 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(ifmt);
1485 for( int i = 0; i <desc->nb_components; ++i ) {
1486 int bits = desc->comp[i].depth;
1487 if( bits > max_bits ) max_bits = bits;
1489 int imodel = pix_fmt_to_color_model(ifmt);
1490 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1491 int cmodel = frame->get_color_model();
1492 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1493 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1494 imodel = cmodel_is_yuv ?
1495 (BC_CModels::has_alpha(cmodel) ?
1497 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1498 (BC_CModels::has_alpha(cmodel) ?
1499 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1500 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1502 VFrame vframe(ip->width, ip->height, imodel);
1503 if( convert_picture_vframe(&vframe, ip) ) return -1;
1504 frame->transfer_from(&vframe);
1508 int FFVideoConvert::transfer_cmodel(VFrame *frame, AVFrame *ifp)
1510 int ret = convert_cmodel(frame, ifp);
1512 const AVDictionary *src = ifp->metadata;
1513 AVDictionaryEntry *t = NULL;
1514 BC_Hash *hp = frame->get_params();
1516 while( (t=av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX)) )
1517 hp->update(t->key, t->value);
1522 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op)
1524 AVFrame *opic = av_frame_alloc();
1525 int ret = convert_vframe_picture(frame, op, opic);
1526 av_frame_free(&opic);
1530 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op, AVFrame *opic)
1531 { // vframe = picture
1532 int cmodel = frame->get_color_model();
1533 AVPixelFormat ifmt = color_model_to_pix_fmt(cmodel);
1534 if( ifmt == AV_PIX_FMT_NB ) return -1;
1535 int size = av_image_fill_arrays(opic->data, opic->linesize,
1536 frame->get_data(), ifmt, frame->get_w(), frame->get_h(), 1);
1537 if( size < 0 ) return -1;
1539 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1540 int ysz = bpp * frame->get_w(), usz = ysz;
1550 // override av_image_fill_arrays() for planar types
1551 opic->data[0] = frame->get_y(); opic->linesize[0] = ysz;
1552 opic->data[1] = frame->get_u(); opic->linesize[1] = usz;
1553 opic->data[2] = frame->get_v(); opic->linesize[2] = usz;
1556 opic->data[0] = frame->get_data();
1557 opic->linesize[0] = frame->get_bytes_per_line();
1561 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1562 convert_ctx = sws_getCachedContext(convert_ctx, frame->get_w(), frame->get_h(),
1563 ifmt, op->width, op->height, ofmt, SWS_POINT, NULL, NULL, NULL);
1564 if( !convert_ctx ) {
1565 fprintf(stderr, "FFVideoConvert::convert_frame_picture:"
1566 " sws_getCachedContext() failed\n");
1571 int color_range = 0;
1572 switch( preferences->yuv_color_range ) {
1573 case BC_COLORS_JPEG: color_range = 1; break;
1574 case BC_COLORS_MPEG: color_range = 0; break;
1576 int color_space = SWS_CS_ITU601;
1577 switch( preferences->yuv_color_space ) {
1578 case BC_COLORS_BT601: color_space = SWS_CS_ITU601; break;
1579 case BC_COLORS_BT709: color_space = SWS_CS_ITU709; break;
1580 case BC_COLORS_BT2020: color_space = SWS_CS_BT2020; break;
1582 const int *color_table = sws_getCoefficients(color_space);
1584 int *inv_table, *table, src_range, dst_range;
1585 int brightness, contrast, saturation;
1586 if( !sws_getColorspaceDetails(convert_ctx,
1587 &inv_table, &src_range, &table, &dst_range,
1588 &brightness, &contrast, &saturation) ) {
1589 if( dst_range != color_range || table != color_table )
1590 sws_setColorspaceDetails(convert_ctx,
1591 inv_table, src_range, color_table, color_range,
1592 brightness, contrast, saturation);
1595 int ret = sws_scale(convert_ctx, opic->data, opic->linesize, 0, frame->get_h(),
1596 op->data, op->linesize);
1598 ff_err(ret, "FFVideoConvert::convert_frame_picture: sws_scale() failed\n");
1604 int FFVideoConvert::convert_pixfmt(VFrame *frame, AVFrame *op)
1606 // try direct transfer
1607 if( !convert_vframe_picture(frame, op) ) return 1;
1608 // use indirect transfer
1609 int cmodel = frame->get_color_model();
1610 int max_bits = BC_CModels::calculate_pixelsize(cmodel) * 8;
1611 max_bits /= BC_CModels::components(cmodel);
1612 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1613 int imodel = pix_fmt_to_color_model(ofmt);
1614 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1615 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1616 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1617 imodel = cmodel_is_yuv ?
1618 (BC_CModels::has_alpha(cmodel) ?
1620 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1621 (BC_CModels::has_alpha(cmodel) ?
1622 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1623 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1625 VFrame vframe(frame->get_w(), frame->get_h(), imodel);
1626 vframe.transfer_from(frame);
1627 if( !convert_vframe_picture(&vframe, op) ) return 1;
1631 int FFVideoConvert::transfer_pixfmt(VFrame *frame, AVFrame *ofp)
1633 int ret = convert_pixfmt(frame, ofp);
1635 BC_Hash *hp = frame->get_params();
1636 AVDictionary **dict = &ofp->metadata;
1637 //av_dict_free(dict);
1638 for( int i=0; i<hp->size(); ++i ) {
1639 char *key = hp->get_key(i), *val = hp->get_value(i);
1640 av_dict_set(dict, key, val, 0);
1646 void FFVideoStream::load_markers()
1648 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1649 if( !index_state || idx >= index_state->video_markers.size() ) return;
1650 FFStream::load_markers(*index_state->video_markers[idx], frame_rate);
1653 IndexMarks *FFVideoStream::get_markers()
1655 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1656 if( !index_state || idx >= index_state->video_markers.size() ) return 0;
1657 return !index_state ? 0 : index_state->video_markers[idx];
1661 FFMPEG::FFMPEG(FileBase *file_base)
1664 this->file_base = file_base;
1665 memset(file_format,0,sizeof(file_format));
1666 mux_lock = new Condition(0,"FFMPEG::mux_lock",0);
1667 flow_lock = new Condition(1,"FFStream::flow_lock",0);
1670 decoding = encoding = 0;
1671 has_audio = has_video = 0;
1674 opt_video_filter = 0;
1675 opt_audio_filter = 0;
1677 opt_video_decoder = 0;
1678 opt_audio_decoder = 0;
1680 char option_path[BCTEXTLEN];
1681 set_option_path(option_path, "%s", "ffmpeg.opts");
1682 read_options(option_path, opts);
1687 ff_lock("FFMPEG::~FFMPEG()");
1689 ffaudio.remove_all_objects();
1690 ffvideo.remove_all_objects();
1691 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
1695 av_dict_free(&opts);
1696 delete [] opt_video_filter;
1697 delete [] opt_audio_filter;
1698 delete [] opt_hw_dev;
1701 int FFMPEG::check_sample_rate(AVCodec *codec, int sample_rate)
1703 const int *p = codec->supported_samplerates;
1704 if( !p ) return sample_rate;
1706 if( *p == sample_rate ) return *p;
1712 static inline AVRational std_frame_rate(int i)
1714 static const int m1 = 1001*12, m2 = 1000*12;
1715 static const int freqs[] = {
1716 40*m1, 48*m1, 50*m1, 60*m1, 80*m1,120*m1, 240*m1,
1717 24*m2, 30*m2, 60*m2, 12*m2, 15*m2, 48*m2, 0,
1719 int freq = i<30*12 ? (i+1)*1001 : freqs[i-30*12];
1720 return (AVRational) { freq, 1001*12 };
1723 AVRational FFMPEG::check_frame_rate(AVCodec *codec, double frame_rate)
1725 const AVRational *p = codec->supported_framerates;
1726 AVRational rate, best_rate = (AVRational) { 0, 0 };
1727 double max_err = 1.; int i = 0;
1728 while( ((p ? (rate=*p++) : (rate=std_frame_rate(i++))), rate.num) != 0 ) {
1729 double framerate = (double) rate.num / rate.den;
1730 double err = fabs(frame_rate/framerate - 1.);
1731 if( err >= max_err ) continue;
1735 return max_err < 0.0001 ? best_rate : (AVRational) { 0, 0 };
1738 AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset)
1741 double display_aspect = asset->width / (double)asset->height;
1742 double sample_aspect = display_aspect / asset->aspect_ratio;
1743 int width = 1000000, height = width * sample_aspect + 0.5;
1745 MWindow::create_aspect_ratio(w, h, width, height);
1746 return (AVRational){(int)w, (int)h};
1749 return (AVRational){1, 1};
1753 AVRational FFMPEG::to_time_base(int sample_rate)
1755 return (AVRational){1, sample_rate};
1758 int FFMPEG::get_fmt_score(AVSampleFormat dst_fmt, AVSampleFormat src_fmt)
1761 int dst_planar = av_sample_fmt_is_planar(dst_fmt);
1762 int src_planar = av_sample_fmt_is_planar(src_fmt);
1763 if( dst_planar != src_planar ) ++score;
1764 int dst_bytes = av_get_bytes_per_sample(dst_fmt);
1765 int src_bytes = av_get_bytes_per_sample(src_fmt);
1766 score += (src_bytes > dst_bytes ? 100 : -10) * (src_bytes - dst_bytes);
1767 int src_packed = av_get_packed_sample_fmt(src_fmt);
1768 int dst_packed = av_get_packed_sample_fmt(dst_fmt);
1769 if( dst_packed == AV_SAMPLE_FMT_S32 && src_packed == AV_SAMPLE_FMT_FLT ) score += 20;
1770 if( dst_packed == AV_SAMPLE_FMT_FLT && src_packed == AV_SAMPLE_FMT_S32 ) score += 2;
1774 AVSampleFormat FFMPEG::find_best_sample_fmt_of_list(
1775 const AVSampleFormat *sample_fmts, AVSampleFormat src_fmt)
1777 AVSampleFormat best = AV_SAMPLE_FMT_NONE;
1778 int best_score = get_fmt_score(best, src_fmt);
1779 for( int i=0; sample_fmts[i] >= 0; ++i ) {
1780 AVSampleFormat sample_fmt = sample_fmts[i];
1781 int score = get_fmt_score(sample_fmt, src_fmt);
1782 if( score >= best_score ) continue;
1783 best = sample_fmt; best_score = score;
1789 void FFMPEG::set_option_path(char *path, const char *fmt, ...)
1791 char *ep = path + BCTEXTLEN-1;
1792 strncpy(path, File::get_cindat_path(), ep-path);
1793 strncat(path, "/ffmpeg/", ep-path);
1794 path += strlen(path);
1797 path += vsnprintf(path, ep-path, fmt, ap);
1802 void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
1807 set_option_path(path, "%s/%s", type, spec);
1810 int FFMPEG::get_format(char *format, const char *path, const char *spec)
1812 char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
1813 get_option_path(option_path, path, spec);
1814 FILE *fp = fopen(option_path,"r");
1817 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1819 line[sizeof(line)-1] = 0;
1820 ret = scan_option_line(line, format, codec);
1826 int FFMPEG::get_codec(char *codec, const char *path, const char *spec)
1828 char option_path[BCTEXTLEN], line[BCTEXTLEN], format[BCTEXTLEN];
1829 get_option_path(option_path, path, spec);
1830 FILE *fp = fopen(option_path,"r");
1833 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1836 line[sizeof(line)-1] = 0;
1837 ret = scan_option_line(line, format, codec);
1840 char *vp = codec, *ep = vp+BCTEXTLEN-1;
1841 while( vp < ep && *vp && *vp != '|' ) ++vp;
1842 if( *vp == '|' ) --vp;
1843 while( vp > codec && (*vp==' ' || *vp=='\t') ) *vp-- = 0;
1848 int FFMPEG::get_file_format()
1850 char audio_muxer[BCSTRLEN], video_muxer[BCSTRLEN];
1851 char audio_format[BCSTRLEN], video_format[BCSTRLEN];
1852 audio_muxer[0] = audio_format[0] = 0;
1853 video_muxer[0] = video_format[0] = 0;
1854 Asset *asset = file_base->asset;
1855 int ret = asset ? 0 : 1;
1856 if( !ret && asset->audio_data ) {
1857 if( !(ret=get_format(audio_format, "audio", asset->acodec)) ) {
1858 if( get_format(audio_muxer, "format", audio_format) ) {
1859 strcpy(audio_muxer, audio_format);
1860 audio_format[0] = 0;
1864 if( !ret && asset->video_data ) {
1865 if( !(ret=get_format(video_format, "video", asset->vcodec)) ) {
1866 if( get_format(video_muxer, "format", video_format) ) {
1867 strcpy(video_muxer, video_format);
1868 video_format[0] = 0;
1872 if( !ret && !audio_muxer[0] && !video_muxer[0] )
1874 if( !ret && audio_muxer[0] && video_muxer[0] &&
1875 strcmp(audio_muxer, video_muxer) ) ret = -1;
1876 if( !ret && audio_format[0] && video_format[0] &&
1877 strcmp(audio_format, video_format) ) ret = -1;
1879 strcpy(file_format, !audio_format[0] && !video_format[0] ?
1880 (audio_muxer[0] ? audio_muxer : video_muxer) :
1881 (audio_format[0] ? audio_format : video_format));
1885 int FFMPEG::scan_option_line(const char *cp, char *tag, char *val)
1887 while( *cp == ' ' || *cp == '\t' ) ++cp;
1888 const char *bp = cp;
1889 while( *cp && *cp != ' ' && *cp != '\t' && *cp != '=' && *cp != '\n' ) ++cp;
1891 if( !len || len > BCSTRLEN-1 ) return 1;
1892 while( bp < cp ) *tag++ = *bp++;
1894 while( *cp == ' ' || *cp == '\t' ) ++cp;
1895 if( *cp == '=' ) ++cp;
1896 while( *cp == ' ' || *cp == '\t' ) ++cp;
1898 while( *cp && *cp != '\n' ) ++cp;
1900 if( len > BCTEXTLEN-1 ) return 1;
1901 while( bp < cp ) *val++ = *bp++;
1906 int FFMPEG::can_render(const char *fformat, const char *type)
1909 char option_path[BCTEXTLEN];
1910 FFMPEG::set_option_path(option_path, type);
1911 fs.update(option_path);
1912 int total_files = fs.total_files();
1913 for( int i=0; i<total_files; ++i ) {
1914 const char *name = fs.get_entry(i)->get_name();
1915 const char *ext = strrchr(name,'.');
1916 if( !ext ) continue;
1917 if( !strcmp(fformat, ++ext) ) return 1;
1922 int FFMPEG::get_ff_option(const char *nm, const char *options, char *value)
1924 for( const char *cp=options; *cp!=0; ) {
1925 char line[BCTEXTLEN], *bp = line, *ep = bp+sizeof(line)-1;
1926 while( bp < ep && *cp && *cp!='\n' ) *bp++ = *cp++;
1929 if( !line[0] || line[0] == '#' || line[0] == ';' ) continue;
1930 char key[BCSTRLEN], val[BCTEXTLEN];
1931 if( FFMPEG::scan_option_line(line, key, val) ) continue;
1932 if( !strcmp(key, nm) ) {
1933 strncpy(value, val, BCSTRLEN);
1940 void FFMPEG::scan_audio_options(Asset *asset, EDL *edl)
1942 char cin_sample_fmt[BCSTRLEN];
1943 int cin_fmt = AV_SAMPLE_FMT_NONE;
1944 const char *options = asset->ff_audio_options;
1945 if( !get_ff_option("cin_sample_fmt", options, cin_sample_fmt) )
1946 cin_fmt = (int)av_get_sample_fmt(cin_sample_fmt);
1948 char audio_codec[BCSTRLEN]; audio_codec[0] = 0;
1949 AVCodec *av_codec = !FFMPEG::get_codec(audio_codec, "audio", asset->acodec) ?
1950 avcodec_find_encoder_by_name(audio_codec) : 0;
1951 if( av_codec && av_codec->sample_fmts )
1952 cin_fmt = find_best_sample_fmt_of_list(av_codec->sample_fmts, AV_SAMPLE_FMT_FLT);
1954 if( cin_fmt < 0 ) cin_fmt = AV_SAMPLE_FMT_S16;
1955 const char *name = av_get_sample_fmt_name((AVSampleFormat)cin_fmt);
1956 if( !name ) name = _("None");
1957 strcpy(asset->ff_sample_format, name);
1959 char value[BCSTRLEN];
1960 if( !get_ff_option("cin_bitrate", options, value) )
1961 asset->ff_audio_bitrate = atoi(value);
1962 if( !get_ff_option("cin_quality", options, value) )
1963 asset->ff_audio_quality = atoi(value);
1966 void FFMPEG::load_audio_options(Asset *asset, EDL *edl)
1968 char options_path[BCTEXTLEN];
1969 set_option_path(options_path, "audio/%s", asset->acodec);
1970 if( !load_options(options_path,
1971 asset->ff_audio_options,
1972 sizeof(asset->ff_audio_options)) )
1973 scan_audio_options(asset, edl);
1976 void FFMPEG::scan_video_options(Asset *asset, EDL *edl)
1978 char cin_pix_fmt[BCSTRLEN];
1979 int cin_fmt = AV_PIX_FMT_NONE;
1980 const char *options = asset->ff_video_options;
1981 if( !get_ff_option("cin_pix_fmt", options, cin_pix_fmt) )
1982 cin_fmt = (int)av_get_pix_fmt(cin_pix_fmt);
1984 char video_codec[BCSTRLEN]; video_codec[0] = 0;
1985 AVCodec *av_codec = !get_codec(video_codec, "video", asset->vcodec) ?
1986 avcodec_find_encoder_by_name(video_codec) : 0;
1987 if( av_codec && av_codec->pix_fmts ) {
1988 if( 0 && edl ) { // frequently picks a bad answer
1989 int color_model = edl->session->color_model;
1990 int max_bits = BC_CModels::calculate_pixelsize(color_model) * 8;
1991 max_bits /= BC_CModels::components(color_model);
1992 cin_fmt = avcodec_find_best_pix_fmt_of_list(av_codec->pix_fmts,
1993 (BC_CModels::is_yuv(color_model) ?
1994 (max_bits > 8 ? AV_PIX_FMT_AYUV64LE : AV_PIX_FMT_YUV444P) :
1995 (max_bits > 8 ? AV_PIX_FMT_RGB48LE : AV_PIX_FMT_RGB24)), 0, 0);
1998 cin_fmt = av_codec->pix_fmts[0];
2001 if( cin_fmt < 0 ) cin_fmt = AV_PIX_FMT_YUV420P;
2002 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get((AVPixelFormat)cin_fmt);
2003 const char *name = desc ? desc->name : _("None");
2004 strcpy(asset->ff_pixel_format, name);
2006 char value[BCSTRLEN];
2007 if( !get_ff_option("cin_bitrate", options, value) )
2008 asset->ff_video_bitrate = atoi(value);
2009 if( !get_ff_option("cin_quality", options, value) )
2010 asset->ff_video_quality = atoi(value);
2013 void FFMPEG::load_video_options(Asset *asset, EDL *edl)
2015 char options_path[BCTEXTLEN];
2016 set_option_path(options_path, "video/%s", asset->vcodec);
2017 if( !load_options(options_path,
2018 asset->ff_video_options,
2019 sizeof(asset->ff_video_options)) )
2020 scan_video_options(asset, edl);
2023 void FFMPEG::scan_format_options(Asset *asset, EDL *edl)
2027 void FFMPEG::load_format_options(Asset *asset, EDL *edl)
2029 char options_path[BCTEXTLEN];
2030 set_option_path(options_path, "format/%s", asset->fformat);
2031 if( !load_options(options_path,
2032 asset->ff_format_options,
2033 sizeof(asset->ff_format_options)) )
2034 scan_format_options(asset, edl);
2037 int FFMPEG::load_defaults(const char *path, const char *type,
2038 char *codec, char *codec_options, int len)
2040 char default_file[BCTEXTLEN];
2041 set_option_path(default_file, "%s/%s.dfl", path, type);
2042 FILE *fp = fopen(default_file,"r");
2044 fgets(codec, BCSTRLEN, fp);
2046 while( *cp && *cp!='\n' ) ++cp;
2048 while( len > 0 && fgets(codec_options, len, fp) ) {
2049 int n = strlen(codec_options);
2050 codec_options += n; len -= n;
2053 set_option_path(default_file, "%s/%s", path, codec);
2054 return load_options(default_file, codec_options, len);
2057 void FFMPEG::set_asset_format(Asset *asset, EDL *edl, const char *text)
2059 if( asset->format != FILE_FFMPEG ) return;
2060 if( text != asset->fformat )
2061 strcpy(asset->fformat, text);
2062 if( !asset->ff_format_options[0] )
2063 load_format_options(asset, edl);
2064 if( asset->audio_data && !asset->ff_audio_options[0] ) {
2065 if( !load_defaults("audio", text, asset->acodec,
2066 asset->ff_audio_options, sizeof(asset->ff_audio_options)) )
2067 scan_audio_options(asset, edl);
2069 asset->audio_data = 0;
2071 if( asset->video_data && !asset->ff_video_options[0] ) {
2072 if( !load_defaults("video", text, asset->vcodec,
2073 asset->ff_video_options, sizeof(asset->ff_video_options)) )
2074 scan_video_options(asset, edl);
2076 asset->video_data = 0;
2080 int FFMPEG::get_encoder(const char *options,
2081 char *format, char *codec, char *bsfilter)
2083 FILE *fp = fopen(options,"r");
2085 eprintf(_("options open failed %s\n"),options);
2088 char line[BCTEXTLEN];
2089 if( !fgets(line, sizeof(line), fp) ||
2090 scan_encoder(line, format, codec, bsfilter) )
2091 eprintf(_("format/codec not found %s\n"), options);
2096 int FFMPEG::scan_encoder(const char *line,
2097 char *format, char *codec, char *bsfilter)
2099 format[0] = codec[0] = bsfilter[0] = 0;
2100 if( scan_option_line(line, format, codec) ) return 1;
2102 while( *cp && *cp != '|' ) ++cp;
2103 if( !*cp ) return 0;
2105 do { *bp-- = 0; } while( bp>=codec && (*bp==' ' || *bp == '\t' ) );
2106 while( *++cp && (*cp==' ' || *cp == '\t') );
2108 for( int i=BCTEXTLEN; --i>0 && *cp; ) *bp++ = *cp++;
2113 int FFMPEG::read_options(const char *options, AVDictionary *&opts, int skip)
2115 FILE *fp = fopen(options,"r");
2118 while( !ret && --skip >= 0 ) {
2120 while( ch >= 0 && ch != '\n' ) ch = getc(fp);
2121 if( ch < 0 ) ret = 1;
2124 ret = read_options(fp, options, opts);
2129 int FFMPEG::scan_options(const char *options, AVDictionary *&opts, AVStream *st)
2131 FILE *fp = fmemopen((void *)options,strlen(options),"r");
2133 int ret = read_options(fp, options, opts);
2136 AVDictionaryEntry *tag = av_dict_get(opts, "id", NULL, 0);
2137 if( tag ) st->id = strtol(tag->value,0,0);
2142 FFCodecRemap::FFCodecRemap()
2147 FFCodecRemap::~FFCodecRemap()
2149 delete [] old_codec;
2150 delete [] new_codec;
2153 int FFCodecRemaps::add(const char *val)
2155 char old_codec[BCSTRLEN], new_codec[BCSTRLEN];
2156 if( sscanf(val, " %63[a-zA-z0-9_-] = %63[a-z0-9_-]",
2157 &old_codec[0], &new_codec[0]) != 2 ) return 1;
2158 FFCodecRemap &remap = append();
2159 remap.old_codec = cstrdup(old_codec);
2160 remap.new_codec = cstrdup(new_codec);
2165 int FFCodecRemaps::update(AVCodecID &codec_id, AVCodec *&decoder)
2167 AVCodec *codec = avcodec_find_decoder(codec_id);
2168 if( !codec ) return -1;
2169 const char *name = codec->name;
2170 FFCodecRemaps &map = *this;
2172 while( --k >= 0 && strcmp(map[k].old_codec, name) );
2173 if( k < 0 ) return 1;
2174 const char *new_codec = map[k].new_codec;
2175 codec = avcodec_find_decoder_by_name(new_codec);
2176 if( !codec ) return -1;
2181 int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
2183 int ret = 0, no = 0;
2184 char line[BCTEXTLEN];
2185 while( !ret && fgets(line, sizeof(line), fp) ) {
2186 line[sizeof(line)-1] = 0;
2187 if( line[0] == '#' ) continue;
2188 if( line[0] == '\n' ) continue;
2189 char key[BCSTRLEN], val[BCTEXTLEN];
2190 if( scan_option_line(line, key, val) ) {
2191 eprintf(_("err reading %s: line %d\n"), options, no);
2195 if( !strcmp(key, "duration") )
2196 opt_duration = strtod(val, 0);
2197 else if( !strcmp(key, "video_decoder") )
2198 opt_video_decoder = cstrdup(val);
2199 else if( !strcmp(key, "audio_decoder") )
2200 opt_audio_decoder = cstrdup(val);
2201 else if( !strcmp(key, "remap_video_decoder") )
2202 video_codec_remaps.add(val);
2203 else if( !strcmp(key, "remap_audio_decoder") )
2204 audio_codec_remaps.add(val);
2205 else if( !strcmp(key, "video_filter") )
2206 opt_video_filter = cstrdup(val);
2207 else if( !strcmp(key, "audio_filter") )
2208 opt_audio_filter = cstrdup(val);
2209 else if( !strcmp(key, "cin_hw_dev") )
2210 opt_hw_dev = cstrdup(val);
2211 else if( !strcmp(key, "loglevel") )
2214 av_dict_set(&opts, key, val, 0);
2220 int FFMPEG::load_options(const char *options, AVDictionary *&opts)
2222 char option_path[BCTEXTLEN];
2223 set_option_path(option_path, "%s", options);
2224 return read_options(option_path, opts);
2227 int FFMPEG::load_options(const char *path, char *bfr, int len)
2230 FILE *fp = fopen(path, "r");
2232 fgets(bfr, len, fp); // skip hdr
2233 len = fread(bfr, 1, len-1, fp);
2234 if( len < 0 ) len = 0;
2240 void FFMPEG::set_loglevel(const char *ap)
2242 if( !ap || !*ap ) return;
2247 { "quiet" , AV_LOG_QUIET },
2248 { "panic" , AV_LOG_PANIC },
2249 { "fatal" , AV_LOG_FATAL },
2250 { "error" , AV_LOG_ERROR },
2251 { "warning", AV_LOG_WARNING },
2252 { "info" , AV_LOG_INFO },
2253 { "verbose", AV_LOG_VERBOSE },
2254 { "debug" , AV_LOG_DEBUG },
2256 for( int i=0; i<(int)(sizeof(log_levels)/sizeof(log_levels[0])); ++i ) {
2257 if( !strcmp(log_levels[i].name, ap) ) {
2258 av_log_set_level(log_levels[i].level);
2262 av_log_set_level(atoi(ap));
2265 double FFMPEG::to_secs(int64_t time, AVRational time_base)
2267 double base_time = time == AV_NOPTS_VALUE ? 0 :
2268 av_rescale_q(time, time_base, AV_TIME_BASE_Q);
2269 return base_time / AV_TIME_BASE;
2272 int FFMPEG::info(char *text, int len)
2274 if( len <= 0 ) return 0;
2276 #define report(s...) do { int n = snprintf(cp,len,s); cp += n; len -= n; } while(0)
2278 report("format: %s\n",fmt_ctx->iformat->name);
2279 if( ffvideo.size() > 0 )
2280 report("\n%d video stream%s\n",ffvideo.size(), ffvideo.size()!=1 ? "s" : "");
2281 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
2282 const char *unkn = _("(unkn)");
2283 FFVideoStream *vid = ffvideo[vidx];
2284 AVStream *st = vid->st;
2285 AVCodecID codec_id = st->codecpar->codec_id;
2286 report(_("vid%d (%d), id 0x%06x:\n"), vid->idx, vid->fidx, codec_id);
2287 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
2288 report(" video%d %s ", vidx+1, desc ? desc->name : unkn);
2289 report(" %dx%d %5.2f", vid->width, vid->height, vid->frame_rate);
2290 AVPixelFormat pix_fmt = (AVPixelFormat)st->codecpar->format;
2291 const char *pfn = av_get_pix_fmt_name(pix_fmt);
2292 report(" pix %s\n", pfn ? pfn : unkn);
2293 enum AVColorSpace space = st->codecpar->color_space;
2294 const char *nm = av_color_space_name(space);
2295 report(" color space:%s", nm ? nm : unkn);
2296 enum AVColorRange range = st->codecpar->color_range;
2297 const char *rg = av_color_range_name(range);
2298 report("/ range:%s\n", rg ? rg : unkn);
2299 double secs = to_secs(st->duration, st->time_base);
2300 int64_t length = secs * vid->frame_rate + 0.5;
2301 double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
2302 int64_t nudge = ofs * vid->frame_rate;
2303 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
2304 report(" %jd%c%jd frms %0.2f secs", length,ch,nudge, secs);
2305 int hrs = secs/3600; secs -= hrs*3600;
2306 int mins = secs/60; secs -= mins*60;
2307 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
2309 if( ffaudio.size() > 0 )
2310 report("\n%d audio stream%s\n",ffaudio.size(), ffaudio.size()!=1 ? "s" : "");
2311 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
2312 FFAudioStream *aud = ffaudio[aidx];
2313 AVStream *st = aud->st;
2314 AVCodecID codec_id = st->codecpar->codec_id;
2315 report(_("aud%d (%d), id 0x%06x:\n"), aud->idx, aud->fidx, codec_id);
2316 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
2317 int nch = aud->channels, ch0 = aud->channel0+1;
2318 report(" audio%d-%d %s", ch0, ch0+nch-1, desc ? desc->name : " (unkn)");
2319 AVSampleFormat sample_fmt = (AVSampleFormat)st->codecpar->format;
2320 const char *fmt = av_get_sample_fmt_name(sample_fmt);
2321 report(" %s %d", fmt, aud->sample_rate);
2322 int sample_bits = av_get_bits_per_sample(codec_id);
2323 report(" %dbits\n", sample_bits);
2324 double secs = to_secs(st->duration, st->time_base);
2325 int64_t length = secs * aud->sample_rate + 0.5;
2326 double ofs = to_secs((aud->nudge - st->start_time), st->time_base);
2327 int64_t nudge = ofs * aud->sample_rate;
2328 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
2329 report(" %jd%c%jd smpl %0.2f secs", length,ch,nudge, secs);
2330 int hrs = secs/3600; secs -= hrs*3600;
2331 int mins = secs/60; secs -= mins*60;
2332 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
2334 if( fmt_ctx->nb_programs > 0 )
2335 report("\n%d program%s\n",fmt_ctx->nb_programs, fmt_ctx->nb_programs!=1 ? "s" : "");
2336 for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
2337 report("program %d", i+1);
2338 AVProgram *pgrm = fmt_ctx->programs[i];
2339 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2340 int idx = pgrm->stream_index[j];
2341 int vidx = ffvideo.size();
2342 while( --vidx>=0 && ffvideo[vidx]->fidx != idx );
2344 report(", vid%d", vidx);
2347 int aidx = ffaudio.size();
2348 while( --aidx>=0 && ffaudio[aidx]->fidx != idx );
2350 report(", aud%d", aidx);
2353 report(", (%d)", pgrm->stream_index[j]);
2358 AVDictionaryEntry *tag = 0;
2359 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
2360 report("%s=%s\n", tag->key, tag->value);
2369 int FFMPEG::init_decoder(const char *filename)
2371 ff_lock("FFMPEG::init_decoder");
2373 char file_opts[BCTEXTLEN];
2374 strcpy(file_opts, filename);
2375 char *bp = strrchr(file_opts, '/');
2376 if( !bp ) bp = file_opts;
2377 char *sp = strrchr(bp, '.');
2378 if( !sp ) sp = bp + strlen(bp);
2380 AVInputFormat *ifmt = 0;
2382 strcpy(sp, ".opts");
2383 fp = fopen(file_opts, "r");
2386 read_options(fp, file_opts, opts);
2388 AVDictionaryEntry *tag;
2389 if( (tag=av_dict_get(opts, "format", NULL, 0)) != 0 ) {
2390 ifmt = av_find_input_format(tag->value);
2394 load_options("decode.opts", opts);
2395 AVDictionary *fopts = 0;
2396 av_dict_copy(&fopts, opts, 0);
2397 int ret = avformat_open_input(&fmt_ctx, filename, ifmt, &fopts);
2398 av_dict_free(&fopts);
2400 ret = avformat_find_stream_info(fmt_ctx, NULL);
2405 return !ret ? 0 : 1;
2408 int FFMPEG::open_decoder()
2411 if( stat(fmt_ctx->url, &st) < 0 ) {
2412 eprintf(_("can't stat file: %s\n"), fmt_ctx->url);
2416 int64_t file_bits = 8 * st.st_size;
2417 if( !fmt_ctx->bit_rate && opt_duration > 0 )
2418 fmt_ctx->bit_rate = file_bits / opt_duration;
2421 if( fmt_ctx->bit_rate > 0 ) {
2422 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
2423 AVStream *st = fmt_ctx->streams[i];
2424 if( st->duration != AV_NOPTS_VALUE ) continue;
2425 if( st->time_base.num > INT64_MAX / fmt_ctx->bit_rate ) continue;
2426 st->duration = av_rescale(file_bits, st->time_base.den,
2427 fmt_ctx->bit_rate * (int64_t) st->time_base.num);
2431 if( estimated && !(fflags & FF_ESTM_TIMES) ) {
2432 fflags |= FF_ESTM_TIMES;
2433 printf("FFMPEG::open_decoder: some stream times estimated: %s\n",
2437 ff_lock("FFMPEG::open_decoder");
2438 int ret = 0, bad_time = 0;
2439 for( int i=0; !ret && i<(int)fmt_ctx->nb_streams; ++i ) {
2440 AVStream *st = fmt_ctx->streams[i];
2441 if( st->duration == AV_NOPTS_VALUE ) bad_time = 1;
2442 AVCodecParameters *avpar = st->codecpar;
2443 const AVCodecDescriptor *codec_desc = avcodec_descriptor_get(avpar->codec_id);
2444 if( !codec_desc ) continue;
2445 switch( avpar->codec_type ) {
2446 case AVMEDIA_TYPE_VIDEO: {
2447 if( avpar->width < 1 ) continue;
2448 if( avpar->height < 1 ) continue;
2449 AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
2450 if( framerate.num < 1 ) continue;
2452 int vidx = ffvideo.size();
2453 FFVideoStream *vid = new FFVideoStream(this, st, vidx, i);
2454 vstrm_index.append(ffidx(vidx, 0));
2455 ffvideo.append(vid);
2456 vid->width = avpar->width;
2457 vid->height = avpar->height;
2458 vid->frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
2459 switch( avpar->color_range ) {
2460 case AVCOL_RANGE_MPEG:
2461 vid->color_range = BC_COLORS_MPEG;
2463 case AVCOL_RANGE_JPEG:
2464 vid->color_range = BC_COLORS_JPEG;
2467 vid->color_range = !file_base ? BC_COLORS_JPEG :
2468 file_base->file->preferences->yuv_color_range;
2471 switch( avpar->color_space ) {
2472 case AVCOL_SPC_BT470BG:
2473 case AVCOL_SPC_SMPTE170M:
2474 vid->color_space = BC_COLORS_BT601;
2476 case AVCOL_SPC_BT709:
2477 vid->color_space = BC_COLORS_BT709;
2479 case AVCOL_SPC_BT2020_NCL:
2480 case AVCOL_SPC_BT2020_CL:
2481 vid->color_space = BC_COLORS_BT2020;
2484 vid->color_space = !file_base ? BC_COLORS_BT601 :
2485 file_base->file->preferences->yuv_color_space;
2488 double secs = to_secs(st->duration, st->time_base);
2489 vid->length = secs * vid->frame_rate;
2490 vid->aspect_ratio = (double)st->sample_aspect_ratio.num / st->sample_aspect_ratio.den;
2491 vid->nudge = st->start_time;
2493 if( opt_video_filter )
2494 ret = vid->create_filter(opt_video_filter, avpar);
2496 case AVMEDIA_TYPE_AUDIO: {
2497 if( avpar->channels < 1 ) continue;
2498 if( avpar->sample_rate < 1 ) continue;
2500 int aidx = ffaudio.size();
2501 FFAudioStream *aud = new FFAudioStream(this, st, aidx, i);
2502 ffaudio.append(aud);
2503 aud->channel0 = astrm_index.size();
2504 aud->channels = avpar->channels;
2505 for( int ch=0; ch<aud->channels; ++ch )
2506 astrm_index.append(ffidx(aidx, ch));
2507 aud->sample_rate = avpar->sample_rate;
2508 double secs = to_secs(st->duration, st->time_base);
2509 aud->length = secs * aud->sample_rate;
2510 aud->init_swr(aud->channels, avpar->format, aud->sample_rate);
2511 aud->nudge = st->start_time;
2513 if( opt_audio_filter )
2514 ret = aud->create_filter(opt_audio_filter, avpar);
2519 if( bad_time && !(fflags & FF_BAD_TIMES) ) {
2520 fflags |= FF_BAD_TIMES;
2521 printf(_("FFMPEG::open_decoder: some stream have bad times: %s\n"),
2525 return ret < 0 ? -1 : 0;
2529 int FFMPEG::init_encoder(const char *filename)
2531 // try access first for named pipes
2532 int ret = access(filename, W_OK);
2534 int fd = ::open(filename,O_WRONLY);
2535 if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
2536 if( fd >= 0 ) { close(fd); ret = 0; }
2539 eprintf(_("bad file path: %s\n"), filename);
2542 ret = get_file_format();
2544 eprintf(_("bad file format: %s\n"), filename);
2548 eprintf(_("mismatch audio/video file format: %s\n"), filename);
2551 ff_lock("FFMPEG::init_encoder");
2553 char format[BCSTRLEN];
2554 if( get_format(format, "format", file_format) )
2555 strcpy(format, file_format);
2556 avformat_alloc_output_context2(&fmt_ctx, 0, format, filename);
2558 eprintf(_("failed: %s\n"), filename);
2563 load_options("encode.opts", opts);
2569 int FFMPEG::open_encoder(const char *type, const char *spec)
2572 Asset *asset = file_base->asset;
2573 char *filename = asset->path;
2574 AVDictionary *sopts = 0;
2575 av_dict_copy(&sopts, opts, 0);
2576 char option_path[BCTEXTLEN];
2577 set_option_path(option_path, "%s/%s.opts", type, type);
2578 read_options(option_path, sopts);
2579 get_option_path(option_path, type, spec);
2580 char format_name[BCSTRLEN], codec_name[BCTEXTLEN], bsfilter[BCTEXTLEN];
2581 if( get_encoder(option_path, format_name, codec_name, bsfilter) ) {
2582 eprintf(_("get_encoder failed %s:%s\n"), option_path, filename);
2587 if( !strcmp(codec_name, CODEC_TAG_DVSD) ) strcpy(codec_name, "dv");
2589 else if( !strcmp(codec_name, CODEC_TAG_MJPEG) ) strcpy(codec_name, "mjpeg");
2590 else if( !strcmp(codec_name, CODEC_TAG_JPEG) ) strcpy(codec_name, "jpeg");
2593 ff_lock("FFMPEG::open_encoder");
2596 AVCodecContext *ctx = 0;
2598 const AVCodecDescriptor *codec_desc = 0;
2599 AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
2601 eprintf(_("cant find codec %s:%s\n"), codec_name, filename);
2605 codec_desc = avcodec_descriptor_get(codec->id);
2607 eprintf(_("unknown codec %s:%s\n"), codec_name, filename);
2612 st = avformat_new_stream(fmt_ctx, 0);
2614 eprintf(_("cant create stream %s:%s\n"), codec_name, filename);
2619 switch( codec_desc->type ) {
2620 case AVMEDIA_TYPE_AUDIO: {
2622 eprintf(_("duplicate audio %s:%s\n"), codec_name, filename);
2626 if( scan_options(asset->ff_audio_options, sopts, st) ) {
2627 eprintf(_("bad audio options %s:%s\n"), codec_name, filename);
2632 ctx = avcodec_alloc_context3(codec);
2633 if( asset->ff_audio_bitrate > 0 ) {
2634 ctx->bit_rate = asset->ff_audio_bitrate;
2636 sprintf(arg, "%d", asset->ff_audio_bitrate);
2637 av_dict_set(&sopts, "b", arg, 0);
2639 else if( asset->ff_audio_quality >= 0 ) {
2640 ctx->global_quality = asset->ff_audio_quality * FF_QP2LAMBDA;
2641 ctx->qmin = ctx->qmax = asset->ff_audio_quality;
2642 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2643 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2644 ctx->flags |= AV_CODEC_FLAG_QSCALE;
2646 av_dict_set(&sopts, "flags", "+qscale", 0);
2647 sprintf(arg, "%d", asset->ff_audio_quality);
2648 av_dict_set(&sopts, "qscale", arg, 0);
2649 sprintf(arg, "%d", ctx->global_quality);
2650 av_dict_set(&sopts, "global_quality", arg, 0);
2652 int aidx = ffaudio.size();
2653 int fidx = aidx + ffvideo.size();
2654 FFAudioStream *aud = new FFAudioStream(this, st, aidx, fidx);
2655 aud->avctx = ctx; ffaudio.append(aud); fst = aud;
2656 aud->sample_rate = asset->sample_rate;
2657 ctx->channels = aud->channels = asset->channels;
2658 for( int ch=0; ch<aud->channels; ++ch )
2659 astrm_index.append(ffidx(aidx, ch));
2660 ctx->channel_layout = av_get_default_channel_layout(ctx->channels);
2661 ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
2662 if( !ctx->sample_rate ) {
2663 eprintf(_("check_sample_rate failed %s\n"), filename);
2667 ctx->time_base = st->time_base = (AVRational){1, aud->sample_rate};
2668 AVSampleFormat sample_fmt = av_get_sample_fmt(asset->ff_sample_format);
2669 if( sample_fmt == AV_SAMPLE_FMT_NONE )
2670 sample_fmt = codec->sample_fmts ? codec->sample_fmts[0] : AV_SAMPLE_FMT_S16;
2671 ctx->sample_fmt = sample_fmt;
2672 uint64_t layout = av_get_default_channel_layout(ctx->channels);
2673 aud->resample_context = swr_alloc_set_opts(NULL,
2674 layout, ctx->sample_fmt, aud->sample_rate,
2675 layout, AV_SAMPLE_FMT_FLT, ctx->sample_rate,
2677 swr_init(aud->resample_context);
2680 case AVMEDIA_TYPE_VIDEO: {
2682 eprintf(_("duplicate video %s:%s\n"), codec_name, filename);
2686 if( scan_options(asset->ff_video_options, sopts, st) ) {
2687 eprintf(_("bad video options %s:%s\n"), codec_name, filename);
2692 ctx = avcodec_alloc_context3(codec);
2693 if( asset->ff_video_bitrate > 0 ) {
2694 ctx->bit_rate = asset->ff_video_bitrate;
2696 sprintf(arg, "%d", asset->ff_video_bitrate);
2697 av_dict_set(&sopts, "b", arg, 0);
2699 else if( asset->ff_video_quality >= 0 ) {
2700 ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
2701 ctx->qmin = ctx->qmax = asset->ff_video_quality;
2702 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2703 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2704 ctx->flags |= AV_CODEC_FLAG_QSCALE;
2706 av_dict_set(&sopts, "flags", "+qscale", 0);
2707 sprintf(arg, "%d", asset->ff_video_quality);
2708 av_dict_set(&sopts, "qscale", arg, 0);
2709 sprintf(arg, "%d", ctx->global_quality);
2710 av_dict_set(&sopts, "global_quality", arg, 0);
2712 int vidx = ffvideo.size();
2713 int fidx = vidx + ffaudio.size();
2714 FFVideoStream *vid = new FFVideoStream(this, st, vidx, fidx);
2715 vstrm_index.append(ffidx(vidx, 0));
2716 vid->avctx = ctx; ffvideo.append(vid); fst = vid;
2717 vid->width = asset->width;
2718 vid->height = asset->height;
2719 vid->frame_rate = asset->frame_rate;
2720 if( (vid->color_range = asset->ff_color_range) < 0 )
2721 vid->color_range = file_base->file->preferences->yuv_color_range;
2722 switch( vid->color_range ) {
2723 case BC_COLORS_MPEG: ctx->color_range = AVCOL_RANGE_MPEG; break;
2724 case BC_COLORS_JPEG: ctx->color_range = AVCOL_RANGE_JPEG; break;
2726 if( (vid->color_space = asset->ff_color_space) < 0 )
2727 vid->color_space = file_base->file->preferences->yuv_color_space;
2728 switch( vid->color_space ) {
2729 case BC_COLORS_BT601: ctx->colorspace = AVCOL_SPC_SMPTE170M; break;
2730 case BC_COLORS_BT709: ctx->colorspace = AVCOL_SPC_BT709; break;
2731 case BC_COLORS_BT2020: ctx->colorspace = AVCOL_SPC_BT2020_NCL; break;
2733 AVPixelFormat pix_fmt = av_get_pix_fmt(asset->ff_pixel_format);
2734 if( opt_hw_dev != 0 ) {
2735 AVHWDeviceType hw_type = vid->encode_hw_activate(opt_hw_dev);
2737 case AV_HWDEVICE_TYPE_VAAPI:
2738 pix_fmt = AV_PIX_FMT_VAAPI;
2740 case AV_HWDEVICE_TYPE_NONE:
2744 if( pix_fmt == AV_PIX_FMT_NONE )
2745 pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
2746 ctx->pix_fmt = pix_fmt;
2748 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
2749 int mask_w = (1<<desc->log2_chroma_w)-1;
2750 ctx->width = (vid->width+mask_w) & ~mask_w;
2751 int mask_h = (1<<desc->log2_chroma_h)-1;
2752 ctx->height = (vid->height+mask_h) & ~mask_h;
2753 ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset);
2754 AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
2755 if( !frame_rate.num || !frame_rate.den ) {
2756 eprintf(_("check_frame_rate failed %s\n"), filename);
2760 av_reduce(&frame_rate.num, &frame_rate.den,
2761 frame_rate.num, frame_rate.den, INT_MAX);
2762 ctx->framerate = (AVRational) { frame_rate.num, frame_rate.den };
2763 ctx->time_base = (AVRational) { frame_rate.den, frame_rate.num };
2764 st->avg_frame_rate = frame_rate;
2765 st->time_base = ctx->time_base;
2767 vid->interlaced = asset->interlace_mode == ILACE_MODE_TOP_FIRST ||
2768 asset->interlace_mode == ILACE_MODE_BOTTOM_FIRST ? 1 : 0;
2769 vid->top_field_first = asset->interlace_mode == ILACE_MODE_TOP_FIRST ? 1 : 0;
2772 eprintf(_("not audio/video, %s:%s\n"), codec_name, filename);
2777 AVDictionaryEntry *tag;
2778 if( (tag=av_dict_get(sopts, "cin_stats_filename", NULL, 0)) != 0 ) {
2779 char suffix[BCSTRLEN]; sprintf(suffix,"-%d.log",fst->fidx);
2780 fst->stats_filename = cstrcat(2, tag->value, suffix);
2782 if( (tag=av_dict_get(sopts, "flags", NULL, 0)) != 0 ) {
2783 int pass = fst->pass;
2784 char *cp = tag->value;
2786 int ch = *cp++, pfx = ch=='-' ? -1 : ch=='+' ? 1 : 0;
2787 if( !isalnum(!pfx ? ch : (ch=*cp++)) ) continue;
2788 char id[BCSTRLEN], *bp = id, *ep = bp+sizeof(id)-1;
2789 for( *bp++=ch; isalnum(ch=*cp); ++cp )
2790 if( bp < ep ) *bp++ = ch;
2792 if( !strcmp(id, "pass1") ) {
2793 pass = pfx<0 ? (pass&~1) : pfx>0 ? (pass|1) : 1;
2795 else if( !strcmp(id, "pass2") ) {
2796 pass = pfx<0 ? (pass&~2) : pfx>0 ? (pass|2) : 2;
2799 if( (fst->pass=pass) ) {
2800 if( pass & 1 ) ctx->flags |= AV_CODEC_FLAG_PASS1;
2801 if( pass & 2 ) ctx->flags |= AV_CODEC_FLAG_PASS2;
2807 if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
2808 ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
2809 if( fst->stats_filename && (ret=fst->init_stats_file()) )
2810 eprintf(_("error: stats file = %s\n"), fst->stats_filename);
2813 av_dict_set(&sopts, "cin_bitrate", 0, 0);
2814 av_dict_set(&sopts, "cin_quality", 0, 0);
2816 if( !av_dict_get(sopts, "threads", NULL, 0) )
2817 ctx->thread_count = ff_cpus();
2818 ret = avcodec_open2(ctx, codec, &sopts);
2820 ret = avcodec_parameters_from_context(st->codecpar, ctx);
2822 fprintf(stderr, "Could not copy the stream parameters\n");
2825 _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
2826 ret = avcodec_copy_context(st->codec, ctx);
2827 _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
2829 fprintf(stderr, "Could not copy the stream context\n");
2832 ff_err(ret,"FFMPEG::open_encoder");
2833 eprintf(_("open failed %s:%s\n"), codec_name, filename);
2839 if( !ret && fst && bsfilter[0] ) {
2840 ret = av_bsf_list_parse_str(bsfilter, &fst->bsfc);
2842 ff_err(ret,"FFMPEG::open_encoder");
2843 eprintf(_("bitstream filter failed %s:\n%s\n"), filename, bsfilter);
2854 av_dict_free(&sopts);
2858 int FFMPEG::close_encoder()
2861 if( encoding > 0 ) {
2862 av_write_trailer(fmt_ctx);
2863 if( !(fmt_ctx->flags & AVFMT_NOFILE) )
2864 avio_closep(&fmt_ctx->pb);
2870 int FFMPEG::decode_activate()
2872 if( decoding < 0 ) {
2874 for( int vidx=0; vidx<ffvideo.size(); ++vidx )
2875 ffvideo[vidx]->nudge = AV_NOPTS_VALUE;
2876 for( int aidx=0; aidx<ffaudio.size(); ++aidx )
2877 ffaudio[aidx]->nudge = AV_NOPTS_VALUE;
2878 // set nudges for each program stream set
2879 const int64_t min_nudge = INT64_MIN+1;
2880 int npgrms = fmt_ctx->nb_programs;
2881 for( int i=0; i<npgrms; ++i ) {
2882 AVProgram *pgrm = fmt_ctx->programs[i];
2883 // first start time video stream
2884 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2885 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2886 int fidx = pgrm->stream_index[j];
2887 AVStream *st = fmt_ctx->streams[fidx];
2888 AVCodecParameters *avpar = st->codecpar;
2889 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2890 if( st->start_time == AV_NOPTS_VALUE ) continue;
2891 if( vstart_time < st->start_time )
2892 vstart_time = st->start_time;
2895 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2896 if( st->start_time == AV_NOPTS_VALUE ) continue;
2897 if( astart_time < st->start_time )
2898 astart_time = st->start_time;
2902 //since frame rate is much more grainy than sample rate, it is better to
2903 // align using video, so that total absolute error is minimized.
2904 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2905 astart_time > min_nudge ? astart_time : AV_NOPTS_VALUE;
2906 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2907 int fidx = pgrm->stream_index[j];
2908 AVStream *st = fmt_ctx->streams[fidx];
2909 AVCodecParameters *avpar = st->codecpar;
2910 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2911 for( int k=0; k<ffvideo.size(); ++k ) {
2912 if( ffvideo[k]->fidx != fidx ) continue;
2913 ffvideo[k]->nudge = nudge;
2917 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2918 for( int k=0; k<ffaudio.size(); ++k ) {
2919 if( ffaudio[k]->fidx != fidx ) continue;
2920 ffaudio[k]->nudge = nudge;
2926 // set nudges for any streams not yet set
2927 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2928 int nstreams = fmt_ctx->nb_streams;
2929 for( int i=0; i<nstreams; ++i ) {
2930 AVStream *st = fmt_ctx->streams[i];
2931 AVCodecParameters *avpar = st->codecpar;
2932 switch( avpar->codec_type ) {
2933 case AVMEDIA_TYPE_VIDEO: {
2934 if( st->start_time == AV_NOPTS_VALUE ) continue;
2935 int vidx = ffvideo.size();
2936 while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
2937 if( vidx < 0 ) continue;
2938 if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
2939 if( vstart_time < st->start_time )
2940 vstart_time = st->start_time;
2942 case AVMEDIA_TYPE_AUDIO: {
2943 if( st->start_time == AV_NOPTS_VALUE ) continue;
2944 int aidx = ffaudio.size();
2945 while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
2946 if( aidx < 0 ) continue;
2947 if( ffaudio[aidx]->frame_sz < avpar->frame_size )
2948 ffaudio[aidx]->frame_sz = avpar->frame_size;
2949 if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
2950 if( astart_time < st->start_time )
2951 astart_time = st->start_time;
2956 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2957 astart_time > min_nudge ? astart_time : 0;
2958 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
2959 if( ffvideo[vidx]->nudge == AV_NOPTS_VALUE )
2960 ffvideo[vidx]->nudge = nudge;
2962 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
2963 if( ffaudio[aidx]->nudge == AV_NOPTS_VALUE )
2964 ffaudio[aidx]->nudge = nudge;
2971 int FFMPEG::encode_activate()
2974 if( encoding < 0 ) {
2976 if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
2977 (ret=avio_open(&fmt_ctx->pb, fmt_ctx->url, AVIO_FLAG_WRITE)) < 0 ) {
2978 ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
2982 if( !strcmp(file_format, "image2") ) {
2983 Asset *asset = file_base->asset;
2984 const char *filename = asset->path;
2985 FILE *fp = fopen(filename,"w");
2987 eprintf(_("Cant write image2 header file: %s\n %m"), filename);
2990 fprintf(fp, "IMAGE2\n");
2991 fprintf(fp, "# Frame rate: %f\n", asset->frame_rate);
2992 fprintf(fp, "# Width: %d\n", asset->width);
2993 fprintf(fp, "# Height: %d\n", asset->height);
2997 AVProgram *prog = av_new_program(fmt_ctx, prog_id);
2998 for( int i=0; i< ffvideo.size(); ++i )
2999 av_program_add_stream_index(fmt_ctx, prog_id, ffvideo[i]->fidx);
3000 for( int i=0; i< ffaudio.size(); ++i )
3001 av_program_add_stream_index(fmt_ctx, prog_id, ffaudio[i]->fidx);
3002 int pi = fmt_ctx->nb_programs;
3003 while( --pi >= 0 && fmt_ctx->programs[pi]->id != prog_id );
3004 AVDictionary **meta = &prog->metadata;
3005 av_dict_set(meta, "service_provider", "cin5", 0);
3006 const char *path = fmt_ctx->url, *bp = strrchr(path,'/');
3007 if( bp ) path = bp + 1;
3008 av_dict_set(meta, "title", path, 0);
3010 if( ffaudio.size() ) {
3011 const char *ep = getenv("CIN_AUDIO_LANG"), *lp = 0;
3012 if( !ep && (lp=getenv("LANG")) ) { // some are guesses
3013 static struct { const char lc[3], lng[4]; } lcode[] = {
3014 { "en", "eng" }, { "de", "ger" }, { "es", "spa" },
3015 { "eu", "bas" }, { "fr", "fre" }, { "el", "gre" },
3016 { "hi", "hin" }, { "it", "ita" }, { "ja", "jap" },
3017 { "ko", "kor" }, { "du", "dut" }, { "pl", "pol" },
3018 { "pt", "por" }, { "ru", "rus" }, { "sl", "slv" },
3019 { "uk", "ukr" }, { "vi", "vie" }, { "zh", "chi" },
3021 for( int i=sizeof(lcode)/sizeof(lcode[0]); --i>=0 && !ep; )
3022 if( !strncmp(lcode[i].lc,lp,2) ) ep = lcode[i].lng;
3024 if( !ep ) ep = "und";
3026 strncpy(lang,ep,3); lang[3] = 0;
3027 AVStream *st = ffaudio[0]->st;
3028 av_dict_set(&st->metadata,"language",lang,0);
3031 AVDictionary *fopts = 0;
3032 char option_path[BCTEXTLEN];
3033 set_option_path(option_path, "format/%s", file_format);
3034 read_options(option_path, fopts, 1);
3035 av_dict_copy(&fopts, opts, 0);
3036 if( scan_options(file_base->asset->ff_format_options, fopts, 0) ) {
3037 eprintf(_("bad format options %s\n"), file_base->asset->path);
3041 ret = avformat_write_header(fmt_ctx, &fopts);
3043 ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
3047 av_dict_free(&fopts);
3054 int FFMPEG::audio_seek(int stream, int64_t pos)
3056 int aidx = astrm_index[stream].st_idx;
3057 FFAudioStream *aud = ffaudio[aidx];
3058 aud->audio_seek(pos);
3062 int FFMPEG::video_seek(int stream, int64_t pos)
3064 int vidx = vstrm_index[stream].st_idx;
3065 FFVideoStream *vid = ffvideo[vidx];
3066 vid->video_seek(pos);
3071 int FFMPEG::decode(int chn, int64_t pos, double *samples, int len)
3073 if( !has_audio || chn >= astrm_index.size() ) return -1;
3074 int aidx = astrm_index[chn].st_idx;
3075 FFAudioStream *aud = ffaudio[aidx];
3076 if( aud->load(pos, len) < len ) return -1;
3077 int ch = astrm_index[chn].st_ch;
3078 int ret = aud->read(samples,len,ch);
3082 int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)
3084 if( !has_video || layer >= vstrm_index.size() ) return -1;
3085 int vidx = vstrm_index[layer].st_idx;
3086 FFVideoStream *vid = ffvideo[vidx];
3087 return vid->load(vframe, pos);
3091 int FFMPEG::encode(int stream, double **samples, int len)
3093 FFAudioStream *aud = ffaudio[stream];
3094 return aud->encode(samples, len);
3098 int FFMPEG::encode(int stream, VFrame *frame)
3100 FFVideoStream *vid = ffvideo[stream];
3101 return vid->encode(frame);
3104 void FFMPEG::start_muxer()
3112 void FFMPEG::stop_muxer()
3121 void FFMPEG::flow_off()
3124 flow_lock->lock("FFMPEG::flow_off");
3128 void FFMPEG::flow_on()
3132 flow_lock->unlock();
3135 void FFMPEG::flow_ctl()
3138 flow_lock->lock("FFMPEG::flow_ctl");
3139 flow_lock->unlock();
3143 int FFMPEG::mux_audio(FFrame *frm)
3145 FFStream *fst = frm->fst;
3146 AVCodecContext *ctx = fst->avctx;
3147 AVFrame *frame = *frm;
3148 AVRational tick_rate = {1, ctx->sample_rate};
3149 frame->pts = av_rescale_q(frm->position, tick_rate, ctx->time_base);
3150 int ret = fst->encode_frame(frame);
3152 ff_err(ret, "FFMPEG::mux_audio");
3153 return ret >= 0 ? 0 : 1;
3156 int FFMPEG::mux_video(FFrame *frm)
3158 FFStream *fst = frm->fst;
3159 AVFrame *frame = *frm;
3160 frame->pts = frm->position;
3161 int ret = fst->encode_frame(frame);
3163 ff_err(ret, "FFMPEG::mux_video");
3164 return ret >= 0 ? 0 : 1;
3170 double atm = -1, vtm = -1;
3171 FFrame *afrm = 0, *vfrm = 0;
3173 for( int i=0; i<ffaudio.size(); ++i ) { // earliest audio
3174 FFStream *fst = ffaudio[i];
3175 if( fst->frm_count < 3 ) { demand = 1; flow_on(); }
3176 FFrame *frm = fst->frms.first;
3177 if( !frm ) { if( !done ) return; continue; }
3178 double tm = to_secs(frm->position, fst->avctx->time_base);
3179 if( atm < 0 || tm < atm ) { atm = tm; afrm = frm; }
3181 for( int i=0; i<ffvideo.size(); ++i ) { // earliest video
3182 FFStream *fst = ffvideo[i];
3183 if( fst->frm_count < 2 ) { demand = 1; flow_on(); }
3184 FFrame *frm = fst->frms.first;
3185 if( !frm ) { if( !done ) return; continue; }
3186 double tm = to_secs(frm->position, fst->avctx->time_base);
3187 if( vtm < 0 || tm < vtm ) { vtm = tm; vfrm = frm; }
3189 if( !demand ) flow_off();
3190 if( !afrm && !vfrm ) break;
3191 int v = !afrm ? -1 : !vfrm ? 1 : av_compare_ts(
3192 vfrm->position, vfrm->fst->avctx->time_base,
3193 afrm->position, afrm->fst->avctx->time_base);
3194 FFrame *frm = v <= 0 ? vfrm : afrm;
3195 if( frm == afrm ) mux_audio(frm);
3196 if( frm == vfrm ) mux_video(frm);
3205 mux_lock->lock("FFMPEG::run");
3208 for( int i=0; i<ffaudio.size(); ++i )
3209 ffaudio[i]->drain();
3210 for( int i=0; i<ffvideo.size(); ++i )
3211 ffvideo[i]->drain();
3213 for( int i=0; i<ffaudio.size(); ++i )
3214 ffaudio[i]->flush();
3215 for( int i=0; i<ffvideo.size(); ++i )
3216 ffvideo[i]->flush();
3220 int FFMPEG::ff_total_audio_channels()
3222 return astrm_index.size();
3225 int FFMPEG::ff_total_astreams()
3227 return ffaudio.size();
3230 int FFMPEG::ff_audio_channels(int stream)
3232 return ffaudio[stream]->channels;
3235 int FFMPEG::ff_sample_rate(int stream)
3237 return ffaudio[stream]->sample_rate;
3240 const char* FFMPEG::ff_audio_format(int stream)
3242 AVStream *st = ffaudio[stream]->st;
3243 AVCodecID id = st->codecpar->codec_id;
3244 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
3245 return desc ? desc->name : _("Unknown");
3248 int FFMPEG::ff_audio_pid(int stream)
3250 return ffaudio[stream]->st->id;
3253 int64_t FFMPEG::ff_audio_samples(int stream)
3255 return ffaudio[stream]->length;
3258 // find audio astream/channels with this program,
3259 // or all program audio channels (astream=-1)
3260 int FFMPEG::ff_audio_for_video(int vstream, int astream, int64_t &channel_mask)
3264 int vidx = ffvideo[vstream]->fidx;
3265 // find first program with this video stream
3266 for( int i=0; pidx<0 && i<(int)fmt_ctx->nb_programs; ++i ) {
3267 AVProgram *pgrm = fmt_ctx->programs[i];
3268 for( int j=0; pidx<0 && j<(int)pgrm->nb_stream_indexes; ++j ) {
3269 int st_idx = pgrm->stream_index[j];
3270 AVStream *st = fmt_ctx->streams[st_idx];
3271 if( st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ) continue;
3272 if( st_idx == vidx ) pidx = i;
3275 if( pidx < 0 ) return -1;
3277 int64_t channels = 0;
3278 AVProgram *pgrm = fmt_ctx->programs[pidx];
3279 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
3280 int aidx = pgrm->stream_index[j];
3281 AVStream *st = fmt_ctx->streams[aidx];
3282 if( st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
3283 if( astream > 0 ) { --astream; continue; }
3285 for( int i=0; astrm<0 && i<ffaudio.size(); ++i )
3286 if( ffaudio[i]->fidx == aidx ) astrm = i;
3288 if( ret < 0 ) ret = astrm;
3289 int64_t mask = (1 << ffaudio[astrm]->channels) - 1;
3290 channels |= mask << ffaudio[astrm]->channel0;
3292 if( !astream ) break;
3294 channel_mask = channels;
3299 int FFMPEG::ff_total_video_layers()
3301 return vstrm_index.size();
3304 int FFMPEG::ff_total_vstreams()
3306 return ffvideo.size();
3309 int FFMPEG::ff_video_width(int stream)
3311 return ffvideo[stream]->width;
3314 int FFMPEG::ff_video_height(int stream)
3316 return ffvideo[stream]->height;
3319 int FFMPEG::ff_set_video_width(int stream, int width)
3321 int w = ffvideo[stream]->width;
3322 ffvideo[stream]->width = width;
3326 int FFMPEG::ff_set_video_height(int stream, int height)
3328 int h = ffvideo[stream]->height;
3329 ffvideo[stream]->height = height;
3333 int FFMPEG::ff_coded_width(int stream)
3335 return ffvideo[stream]->avctx->coded_width;
3338 int FFMPEG::ff_coded_height(int stream)
3340 return ffvideo[stream]->avctx->coded_height;
3343 float FFMPEG::ff_aspect_ratio(int stream)
3345 return ffvideo[stream]->aspect_ratio;
3348 const char* FFMPEG::ff_video_codec(int stream)
3350 AVStream *st = ffvideo[stream]->st;
3351 AVCodecID id = st->codecpar->codec_id;
3352 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
3353 return desc ? desc->name : _("Unknown");
3356 int FFMPEG::ff_color_range(int stream)
3358 return ffvideo[stream]->color_range;
3361 int FFMPEG::ff_color_space(int stream)
3363 return ffvideo[stream]->color_space;
3366 double FFMPEG::ff_frame_rate(int stream)
3368 return ffvideo[stream]->frame_rate;
3371 int64_t FFMPEG::ff_video_frames(int stream)
3373 return ffvideo[stream]->length;
3376 int FFMPEG::ff_video_pid(int stream)
3378 return ffvideo[stream]->st->id;
3381 int FFMPEG::ff_video_mpeg_color_range(int stream)
3383 return ffvideo[stream]->st->codecpar->color_range == AVCOL_RANGE_MPEG ? 1 : 0;
3386 int FFMPEG::ff_cpus()
3388 return file_base->file->cpus;
3391 const char *FFMPEG::ff_hw_dev()
3393 return &file_base->file->preferences->use_hw_dev[0];
3396 Preferences *FFMPEG::ff_prefs()
3398 return !file_base ? 0 : file_base->file->preferences;
3401 int FFVideoStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
3403 avfilter_register_all();
3404 const char *sp = filter_spec;
3405 char filter_name[BCSTRLEN], *np = filter_name;
3406 int i = sizeof(filter_name);
3407 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
3409 const AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
3410 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_VIDEO ) {
3411 ff_err(AVERROR(EINVAL), "FFVideoStream::create_filter: %s\n", filter_spec);
3414 filter_graph = avfilter_graph_alloc();
3415 const AVFilter *buffersrc = avfilter_get_by_name("buffer");
3416 const AVFilter *buffersink = avfilter_get_by_name("buffersink");
3418 int ret = 0; char args[BCTEXTLEN];
3419 AVPixelFormat pix_fmt = (AVPixelFormat)avpar->format;
3420 snprintf(args, sizeof(args),
3421 "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
3422 avpar->width, avpar->height, (int)pix_fmt,
3423 st->time_base.num, st->time_base.den,
3424 avpar->sample_aspect_ratio.num, avpar->sample_aspect_ratio.den);
3426 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
3427 args, NULL, filter_graph);
3429 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
3430 NULL, NULL, filter_graph);
3432 ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",
3433 (uint8_t*)&pix_fmt, sizeof(pix_fmt),
3434 AV_OPT_SEARCH_CHILDREN);
3436 ff_err(ret, "FFVideoStream::create_filter");
3438 ret = FFStream::create_filter(filter_spec);
3439 return ret >= 0 ? 0 : -1;
3442 int FFAudioStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
3444 avfilter_register_all();
3445 const char *sp = filter_spec;
3446 char filter_name[BCSTRLEN], *np = filter_name;
3447 int i = sizeof(filter_name);
3448 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
3450 const AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
3451 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_AUDIO ) {
3452 ff_err(AVERROR(EINVAL), "FFAudioStream::create_filter: %s\n", filter_spec);
3455 filter_graph = avfilter_graph_alloc();
3456 const AVFilter *buffersrc = avfilter_get_by_name("abuffer");
3457 const AVFilter *buffersink = avfilter_get_by_name("abuffersink");
3458 int ret = 0; char args[BCTEXTLEN];
3459 AVSampleFormat sample_fmt = (AVSampleFormat)avpar->format;
3460 snprintf(args, sizeof(args),
3461 "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%jx",
3462 st->time_base.num, st->time_base.den, avpar->sample_rate,
3463 av_get_sample_fmt_name(sample_fmt), avpar->channel_layout);
3465 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
3466 args, NULL, filter_graph);
3468 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
3469 NULL, NULL, filter_graph);
3471 ret = av_opt_set_bin(buffersink_ctx, "sample_fmts",
3472 (uint8_t*)&sample_fmt, sizeof(sample_fmt),
3473 AV_OPT_SEARCH_CHILDREN);
3475 ret = av_opt_set_bin(buffersink_ctx, "channel_layouts",
3476 (uint8_t*)&avpar->channel_layout,
3477 sizeof(avpar->channel_layout), AV_OPT_SEARCH_CHILDREN);
3479 ret = av_opt_set_bin(buffersink_ctx, "sample_rates",
3480 (uint8_t*)&sample_rate, sizeof(sample_rate),
3481 AV_OPT_SEARCH_CHILDREN);
3483 ff_err(ret, "FFAudioStream::create_filter");
3485 ret = FFStream::create_filter(filter_spec);
3486 return ret >= 0 ? 0 : -1;
3489 int FFStream::create_filter(const char *filter_spec)
3491 /* Endpoints for the filter graph. */
3492 AVFilterInOut *outputs = avfilter_inout_alloc();
3493 outputs->name = av_strdup("in");
3494 outputs->filter_ctx = buffersrc_ctx;
3495 outputs->pad_idx = 0;
3498 AVFilterInOut *inputs = avfilter_inout_alloc();
3499 inputs->name = av_strdup("out");
3500 inputs->filter_ctx = buffersink_ctx;
3501 inputs->pad_idx = 0;
3504 int ret = !outputs->name || !inputs->name ? -1 : 0;
3506 ret = avfilter_graph_parse_ptr(filter_graph, filter_spec,
3507 &inputs, &outputs, NULL);
3509 ret = avfilter_graph_config(filter_graph, NULL);
3512 ff_err(ret, "FFStream::create_filter");
3513 avfilter_graph_free(&filter_graph);
3516 avfilter_inout_free(&inputs);
3517 avfilter_inout_free(&outputs);
3521 int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
3524 av_init_packet(&pkt);
3525 AVFrame *frame = av_frame_alloc();
3527 fprintf(stderr,"FFMPEG::scan: ");
3528 fprintf(stderr,_("av_frame_alloc failed\n"));
3529 fprintf(stderr,"FFMPEG::scan:file=%s\n", file_base->asset->path);
3533 index_state->add_video_markers(ffvideo.size());
3534 index_state->add_audio_markers(ffaudio.size());
3536 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
3538 AVDictionary *copts = 0;
3539 av_dict_copy(&copts, opts, 0);
3540 AVStream *st = fmt_ctx->streams[i];
3541 AVCodecID codec_id = st->codecpar->codec_id;
3542 AVCodec *decoder = avcodec_find_decoder(codec_id);
3543 AVCodecContext *avctx = avcodec_alloc_context3(decoder);
3545 eprintf(_("cant allocate codec context\n"));
3546 ret = AVERROR(ENOMEM);
3549 avcodec_parameters_to_context(avctx, st->codecpar);
3550 if( !av_dict_get(copts, "threads", NULL, 0) )
3551 avctx->thread_count = ff_cpus();
3552 ret = avcodec_open2(avctx, decoder, &copts);
3554 av_dict_free(&copts);
3556 AVCodecParameters *avpar = st->codecpar;
3557 switch( avpar->codec_type ) {
3558 case AVMEDIA_TYPE_VIDEO: {
3559 int vidx = ffvideo.size();
3560 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3561 if( vidx < 0 ) break;
3562 ffvideo[vidx]->avctx = avctx;
3564 case AVMEDIA_TYPE_AUDIO: {
3565 int aidx = ffaudio.size();
3566 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3567 if( aidx < 0 ) break;
3568 ffaudio[aidx]->avctx = avctx;
3573 fprintf(stderr,"FFMPEG::scan: ");
3574 fprintf(stderr,_("codec open failed\n"));
3575 fprintf(stderr,"FFMPEG::scan:file=%s\n", file_base->asset->path);
3576 avcodec_free_context(&avctx);
3580 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
3581 AVStream *st = fmt_ctx->streams[i];
3582 AVCodecParameters *avpar = st->codecpar;
3583 if( avpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
3584 int64_t tstmp = st->start_time;
3585 if( tstmp == AV_NOPTS_VALUE ) continue;
3586 int aidx = ffaudio.size();
3587 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3588 if( aidx < 0 ) continue;
3589 FFAudioStream *aud = ffaudio[aidx];
3590 tstmp -= aud->nudge;
3591 double secs = to_secs(tstmp, st->time_base);
3592 aud->curr_pos = secs * aud->sample_rate + 0.5;
3596 for( int64_t count=0; !*canceled; ++count ) {
3597 av_packet_unref(&pkt);
3598 pkt.data = 0; pkt.size = 0;
3600 int ret = av_read_frame(fmt_ctx, &pkt);
3602 if( ret == AVERROR_EOF ) break;
3603 if( ++errs > 100 ) {
3604 ff_err(ret,_("over 100 read_frame errs\n"));
3609 if( !pkt.data ) continue;
3610 int i = pkt.stream_index;
3611 if( i < 0 || i >= (int)fmt_ctx->nb_streams ) continue;
3612 AVStream *st = fmt_ctx->streams[i];
3613 if( pkt.pos > *scan_position ) *scan_position = pkt.pos;
3615 AVCodecParameters *avpar = st->codecpar;
3616 switch( avpar->codec_type ) {
3617 case AVMEDIA_TYPE_VIDEO: {
3618 int vidx = ffvideo.size();
3619 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3620 if( vidx < 0 ) break;
3621 FFVideoStream *vid = ffvideo[vidx];
3622 if( !vid->avctx ) break;
3623 int64_t tstmp = pkt.dts;
3624 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
3625 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3626 if( vid->nudge != AV_NOPTS_VALUE ) tstmp -= vid->nudge;
3627 double secs = to_secs(tstmp, st->time_base);
3628 int64_t frm = secs * vid->frame_rate + 0.5;
3629 if( frm < 0 ) frm = 0;
3630 index_state->put_video_mark(vidx, frm, pkt.pos);
3633 ret = avcodec_send_packet(vid->avctx, pkt);
3634 if( ret < 0 ) break;
3635 while( (ret=vid->decode_frame(frame)) > 0 ) {}
3638 case AVMEDIA_TYPE_AUDIO: {
3639 int aidx = ffaudio.size();
3640 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3641 if( aidx < 0 ) break;
3642 FFAudioStream *aud = ffaudio[aidx];
3643 if( !aud->avctx ) break;
3644 int64_t tstmp = pkt.pts;
3645 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
3646 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3647 if( aud->nudge != AV_NOPTS_VALUE ) tstmp -= aud->nudge;
3648 double secs = to_secs(tstmp, st->time_base);
3649 int64_t sample = secs * aud->sample_rate + 0.5;
3651 index_state->put_audio_mark(aidx, sample, pkt.pos);
3653 ret = avcodec_send_packet(aud->avctx, &pkt);
3654 if( ret < 0 ) break;
3655 int ch = aud->channel0, nch = aud->channels;
3656 int64_t pos = index_state->pos(ch);
3657 if( pos != aud->curr_pos ) {
3658 if( abs(pos-aud->curr_pos) > 1 )
3659 printf("audio%d pad %jd %jd (%jd)\n", aud->idx, pos, aud->curr_pos, pos-aud->curr_pos);
3660 index_state->pad_data(ch, nch, aud->curr_pos);
3662 while( (ret=aud->decode_frame(frame)) > 0 ) {
3663 //if( frame->channels != nch ) break;
3664 aud->init_swr(frame->channels, frame->format, frame->sample_rate);
3666 int len = aud->get_samples(samples,
3667 &frame->extended_data[0], frame->nb_samples);
3668 pos = aud->curr_pos;
3669 if( (aud->curr_pos += len) >= 0 ) {
3671 samples += -pos * nch;
3672 len = aud->curr_pos;
3674 for( int i=0; i<nch; ++i )
3675 index_state->put_data(ch+i,nch,samples+i,len);
3682 av_frame_free(&frame);
3686 void FFStream::load_markers(IndexMarks &marks, double rate)
3689 int64_t sz = marks.size();
3690 int max_entries = fmt_ctx->max_index_size / sizeof(AVIndexEntry) - 1;
3691 int nb_ent = st->nb_index_entries;
3692 // some formats already have an index
3694 AVIndexEntry *ep = &st->index_entries[nb_ent-1];
3695 int64_t tstmp = ep->timestamp;
3696 if( nudge != AV_NOPTS_VALUE ) tstmp -= nudge;
3697 double secs = ffmpeg->to_secs(tstmp, st->time_base);
3698 int64_t no = secs * rate;
3699 while( in < sz && marks[in].no <= no ) ++in;
3701 int64_t len = sz - in;
3702 int64_t count = max_entries - nb_ent;
3703 if( count > len ) count = len;
3704 for( int i=0; i<count; ++i ) {
3705 int k = in + i * len / count;
3706 int64_t no = marks[k].no, pos = marks[k].pos;
3707 double secs = (double)no / rate;
3708 int64_t tstmp = secs * st->time_base.den / st->time_base.num;
3709 if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
3710 av_add_index_entry(st, pos, tstmp, 0, 0, AVINDEX_KEYFRAME);