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 if( reading > 0 || writing > 0 ) avcodec_close(avctx);
289 if( avctx ) avcodec_free_context(&avctx);
290 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
291 if( hw_device_ctx ) av_buffer_unref(&hw_device_ctx);
292 if( bsfc ) av_bsf_free(&bsfc);
293 while( frms.first ) frms.remove(frms.first);
294 if( filter_graph ) avfilter_graph_free(&filter_graph);
295 if( frame ) av_frame_free(&frame);
296 if( fframe ) av_frame_free(&fframe);
297 if( probe_frame ) av_frame_free(&probe_frame);
299 if( stats_fp ) fclose(stats_fp);
300 if( stats_in ) av_freep(&stats_in);
301 delete [] stats_filename;
304 void FFStream::ff_lock(const char *cp)
306 FFMPEG::fflock.lock(cp);
309 void FFStream::ff_unlock()
311 FFMPEG::fflock.unlock();
314 void FFStream::queue(FFrame *frm)
316 frm_lock->lock("FFStream::queue");
320 ffmpeg->mux_lock->unlock();
323 void FFStream::dequeue(FFrame *frm)
325 frm_lock->lock("FFStream::dequeue");
327 frms.remove_pointer(frm);
331 int FFStream::encode_activate()
334 writing = ffmpeg->encode_activate();
338 // this is a global parameter that really should be in the context
339 static AVPixelFormat hw_pix_fmt = AV_PIX_FMT_NONE; // protected by ff_lock
341 // goofy maneuver to attach a hw_format to an av_context
342 #define GET_HW_PIXFMT(fn, fmt) \
343 static AVPixelFormat get_hw_##fn(AVCodecContext *ctx, const enum AVPixelFormat *pix_fmts) { \
346 GET_HW_PIXFMT(vaapi, AV_PIX_FMT_VAAPI)
347 GET_HW_PIXFMT(vdpau, AV_PIX_FMT_VDPAU)
348 GET_HW_PIXFMT(cuda, AV_PIX_FMT_CUDA)
349 GET_HW_PIXFMT(nv12, AV_PIX_FMT_NV12)
351 static enum AVPixelFormat get_hw_format(AVCodecContext *ctx,
352 const enum AVPixelFormat *pix_fmts)
354 for( const enum AVPixelFormat *p=pix_fmts; *p!=AV_PIX_FMT_NONE; ++p ) {
355 if( *p != hw_pix_fmt ) continue;
357 case AV_PIX_FMT_VAAPI: ctx->get_format = get_hw_vaapi; return *p;
358 case AV_PIX_FMT_VDPAU: ctx->get_format = get_hw_vdpau; return *p;
359 case AV_PIX_FMT_CUDA: ctx->get_format = get_hw_cuda; return *p;
360 case AV_PIX_FMT_NV12: ctx->get_format = get_hw_nv12; return *p;
362 fprintf(stderr, "Unknown HW surface format: %s\n",
363 av_get_pix_fmt_name(*p));
367 fprintf(stderr, "Failed to get HW surface format.\n");
368 return hw_pix_fmt = AV_PIX_FMT_NONE;
372 AVHWDeviceType FFStream::decode_hw_activate()
374 return AV_HWDEVICE_TYPE_NONE;
377 int FFStream::decode_hw_format(AVCodec *decoder, AVHWDeviceType type)
382 int FFStream::decode_activate()
384 if( reading < 0 && (reading=ffmpeg->decode_activate()) > 0 ) {
385 ff_lock("FFStream::decode_activate");
387 AVDictionary *copts = 0;
388 av_dict_copy(&copts, ffmpeg->opts, 0);
390 AVHWDeviceType hw_type = decode_hw_activate();
392 // this should be avformat_copy_context(), but no copy avail
393 ret = avformat_open_input(&fmt_ctx,
394 ffmpeg->fmt_ctx->url, ffmpeg->fmt_ctx->iformat, &copts);
396 ret = avformat_find_stream_info(fmt_ctx, 0);
397 st = fmt_ctx->streams[fidx];
400 while( ret >= 0 && st != 0 && !reading ) {
401 AVCodecID codec_id = st->codecpar->codec_id;
402 AVCodec *decoder = 0;
404 if( ffmpeg->opt_video_decoder )
405 decoder = avcodec_find_decoder_by_name(ffmpeg->opt_video_decoder);
407 ffmpeg->video_codec_remaps.update(codec_id, decoder);
409 else if( is_audio() ) {
410 if( ffmpeg->opt_audio_decoder )
411 decoder = avcodec_find_decoder_by_name(ffmpeg->opt_audio_decoder);
413 ffmpeg->audio_codec_remaps.update(codec_id, decoder);
416 decoder = avcodec_find_decoder(codec_id);
417 avctx = avcodec_alloc_context3(decoder);
419 eprintf(_("cant allocate codec context\n"));
420 ret = AVERROR(ENOMEM);
422 if( ret >= 0 && hw_type != AV_HWDEVICE_TYPE_NONE ) {
423 ret = decode_hw_format(decoder, hw_type);
426 avcodec_parameters_to_context(avctx, st->codecpar);
427 if( !av_dict_get(copts, "threads", NULL, 0) )
428 avctx->thread_count = ffmpeg->ff_cpus();
429 ret = avcodec_open2(avctx, decoder, &copts);
431 if( ret >= 0 && hw_type != AV_HWDEVICE_TYPE_NONE ) {
432 AVFrame *frame = av_frame_alloc();
434 fprintf(stderr, "FFStream::decode_activate: av_frame_alloc failed\n");
435 ret = AVERROR(ENOMEM);
440 if( ret < 0 && hw_type != AV_HWDEVICE_TYPE_NONE ) {
441 ff_err(ret, "HW device init failed, using SW decode.\nfile:%s\n",
442 ffmpeg->fmt_ctx->url);
443 avcodec_close(avctx);
444 avcodec_free_context(&avctx);
445 av_buffer_unref(&hw_device_ctx);
447 av_frame_free(&frame);
448 hw_type = AV_HWDEVICE_TYPE_NONE;
449 int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
451 av_seek_frame(fmt_ctx, idx, 0, flags);
452 need_packet = 1; flushed = 0;
453 seeked = 1; st_eof(0);
461 eprintf(_("open decoder failed\n"));
464 eprintf(_("can't open input file: %s\n"), ffmpeg->fmt_ctx->url);
465 av_dict_free(&copts);
471 int FFStream::read_packet()
473 av_packet_unref(ipkt);
474 int ret = av_read_frame(fmt_ctx, ipkt);
477 if( ret == AVERROR_EOF ) return 0;
478 ff_err(ret, "FFStream::read_packet: av_read_frame failed\n");
485 int FFStream::decode(AVFrame *frame)
487 if( probe_frame ) { // hw probe reads first frame
488 av_frame_ref(frame, probe_frame);
489 av_frame_free(&probe_frame);
493 int retries = MAX_RETRY;
495 while( ret >= 0 && !flushed && --retries >= 0 ) {
497 if( (ret=read_packet()) < 0 ) break;
498 AVPacket *pkt = ret > 0 ? (AVPacket*)ipkt : 0;
500 if( pkt->stream_index != st->index ) continue;
501 if( !pkt->data || !pkt->size ) continue;
503 if( (ret=avcodec_send_packet(avctx, pkt)) < 0 ) {
504 ff_err(ret, "FFStream::decode: avcodec_send_packet failed.\nfile:%s\n",
505 ffmpeg->fmt_ctx->url);
511 if( (ret=decode_frame(frame)) > 0 ) break;
519 fprintf(stderr, "FFStream::decode: Retry limit\n");
523 fprintf(stderr, "FFStream::decode: failed\n");
527 int FFStream::load_filter(AVFrame *frame)
529 int ret = av_buffersrc_add_frame_flags(buffersrc_ctx, frame, 0);
531 eprintf(_("av_buffersrc_add_frame_flags failed\n"));
535 int FFStream::read_filter(AVFrame *frame)
537 int ret = av_buffersink_get_frame(buffersink_ctx, frame);
539 if( ret == AVERROR(EAGAIN) ) return 0;
540 if( ret == AVERROR_EOF ) { st_eof(1); return -1; }
541 ff_err(ret, "FFStream::read_filter: av_buffersink_get_frame failed\n");
547 int FFStream::read_frame(AVFrame *frame)
549 av_frame_unref(frame);
550 if( !filter_graph || !buffersrc_ctx || !buffersink_ctx )
551 return decode(frame);
552 if( !fframe && !(fframe=av_frame_alloc()) ) {
553 fprintf(stderr, "FFStream::read_frame: av_frame_alloc failed\n");
557 while( !flushed && !(ret=read_filter(frame)) ) {
558 if( (ret=decode(fframe)) < 0 ) break;
559 if( ret > 0 && (ret=load_filter(fframe)) < 0 ) break;
564 int FFStream::write_packet(FFPacket &pkt)
568 av_packet_rescale_ts(pkt, avctx->time_base, st->time_base);
569 pkt->stream_index = st->index;
570 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, pkt);
573 ret = av_bsf_send_packet(bsfc, pkt);
576 if( (ret=av_bsf_receive_packet(bsfc, bs)) < 0 ) {
577 if( ret == AVERROR(EAGAIN) ) return 0;
578 if( ret == AVERROR_EOF ) return -1;
581 av_packet_rescale_ts(bs, avctx->time_base, st->time_base);
582 bs->stream_index = st->index;
583 ret = av_interleaved_write_frame(ffmpeg->fmt_ctx, bs);
587 ff_err(ret, "FFStream::write_packet: write packet failed.\nfile:%s\n",
588 ffmpeg->fmt_ctx->url);
592 int FFStream::encode_frame(AVFrame *frame)
594 int pkts = 0, ret = 0;
595 for( int retry=MAX_RETRY; --retry>=0; ) {
597 ret = avcodec_send_frame(avctx, frame);
598 if( !ret && frame ) return pkts;
599 if( ret < 0 && ret != AVERROR(EAGAIN) ) break;
601 ret = avcodec_receive_packet(avctx, opkt);
602 if( !frame && ret == AVERROR_EOF ) return pkts;
604 ret = write_packet(opkt);
607 if( frame && stats_fp ) {
608 ret = write_stats_file();
612 ff_err(ret, "FFStream::encode_frame: encode failed.\nfile: %s\n",
613 ffmpeg->fmt_ctx->url);
617 int FFStream::flush()
621 int ret = encode_frame(0);
622 if( ret >= 0 && stats_fp ) {
623 ret = write_stats_file();
627 ff_err(ret, "FFStream::flush failed\n:file:%s\n",
628 ffmpeg->fmt_ctx->url);
629 return ret >= 0 ? 0 : 1;
633 int FFStream::open_stats_file()
635 stats_fp = fopen(stats_filename,"w");
636 return stats_fp ? 0 : AVERROR(errno);
639 int FFStream::close_stats_file()
642 fclose(stats_fp); stats_fp = 0;
647 int FFStream::read_stats_file()
649 int64_t len = 0; struct stat stats_st;
650 int fd = open(stats_filename, O_RDONLY);
651 int ret = fd >= 0 ? 0: ENOENT;
652 if( !ret && fstat(fd, &stats_st) )
655 len = stats_st.st_size;
656 stats_in = (char *)av_malloc(len+1);
660 if( !ret && read(fd, stats_in, len+1) != len )
664 avctx->stats_in = stats_in;
668 return !ret ? 0 : AVERROR(ret);
671 int FFStream::write_stats_file()
674 if( avctx->stats_out && (ret=strlen(avctx->stats_out)) > 0 ) {
675 int len = fwrite(avctx->stats_out, 1, ret, stats_fp);
677 ff_err(ret = AVERROR(errno), "FFStream::write_stats_file.\n%file:%s\n",
678 ffmpeg->fmt_ctx->url);
683 int FFStream::init_stats_file()
686 if( (pass & 2) && (ret = read_stats_file()) < 0 )
687 ff_err(ret, "stat file read: %s", stats_filename);
688 if( (pass & 1) && (ret=open_stats_file()) < 0 )
689 ff_err(ret, "stat file open: %s", stats_filename);
690 return ret >= 0 ? 0 : ret;
693 int FFStream::seek(int64_t no, double rate)
695 // default ffmpeg native seek
697 int64_t pos = no, pkt_pos = -1;
698 IndexMarks *index_markers = get_markers();
699 if( index_markers && index_markers->size() > 1 ) {
700 IndexMarks &marks = *index_markers;
701 int i = marks.find(pos);
702 int64_t n = i < 0 ? (i=0) : marks[i].no;
703 // if indexed seek point not too far away (<30 secs), use index
704 if( no-n < 30*rate ) {
707 if( i < marks.size() ) pkt_pos = marks[i].pos;
711 if( pos == curr_pos ) return 0;
712 double secs = pos < 0 ? 0. : pos / rate;
713 AVRational time_base = st->time_base;
714 int64_t tstmp = time_base.num > 0 ? secs * time_base.den/time_base.num : 0;
716 if( st->nb_index_entries > 0 ) tstmp = st->index_entries[0].timestamp;
717 else if( st->start_time != AV_NOPTS_VALUE ) tstmp = st->start_time;
718 else if( st->first_dts != AV_NOPTS_VALUE ) tstmp = st->first_dts;
719 else tstmp = INT64_MIN+1;
721 else if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
724 // seek all streams using the default timebase.
725 // this is how ffmpeg and ffplay work. stream seeks are less tested.
726 tstmp = av_rescale_q(tstmp, time_base, AV_TIME_BASE_Q);
729 av_frame_free(&probe_frame);
730 avcodec_flush_buffers(avctx);
731 avformat_flush(fmt_ctx);
733 int64_t seek = tstmp;
734 int flags = AVSEEK_FLAG_ANY;
735 if( !(fmt_ctx->iformat->flags & AVFMT_NO_BYTE_SEEK) && pkt_pos >= 0 ) {
737 flags = AVSEEK_FLAG_BYTE;
739 int ret = avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, seek, INT64_MAX, flags);
741 // finds the first index frame below the target time
742 int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
743 int ret = av_seek_frame(fmt_ctx, idx, tstmp, flags);
745 int retry = MAX_RETRY;
747 need_packet = 0; flushed = 0;
748 seeked = 1; st_eof(0);
749 // read up to retry packets, limited to npkts in stream, and not pkt.pos past pkt_pos
750 while( --retry >= 0 ) {
751 if( read_packet() <= 0 ) { ret = -1; break; }
752 if( ipkt->stream_index != st->index ) continue;
753 if( !ipkt->data || !ipkt->size ) continue;
754 if( pkt_pos >= 0 && ipkt->pos >= pkt_pos ) break;
755 if( --npkts <= 0 ) break;
756 int64_t pkt_ts = ipkt->dts != AV_NOPTS_VALUE ? ipkt->dts : ipkt->pts;
757 if( pkt_ts == AV_NOPTS_VALUE ) continue;
758 if( pkt_ts >= tstmp ) break;
761 fprintf(stderr,"FFStream::seek: retry limit, pos=%jd tstmp=%jd\n",pos,tstmp);
765 ret = avcodec_send_packet(avctx, ipkt);
767 //some codecs need more than one pkt to resync
768 if( ret == AVERROR_INVALIDDATA ) ret = 0;
770 ff_err(ret, "FFStream::avcodec_send_packet failed.\nseek:%s\n",
771 ffmpeg->fmt_ctx->url);
776 printf("** seek fail %jd, %jd\n", pos, tstmp);
777 seeked = need_packet = 0;
781 //printf("seeked pos = %ld, %ld\n", pos, tstmp);
782 seek_pos = curr_pos = pos;
786 FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
787 : FFStream(ffmpeg, strm, fidx)
790 channel0 = channels = 0;
793 frame_sz = AUDIO_MIN_FRAME_SZ;
795 resample_context = 0;
796 swr_ichs = swr_ifmt = swr_irate = 0;
805 bfr = new float[bsz];
810 FFAudioStream::~FFAudioStream()
812 if( resample_context ) swr_free(&resample_context);
817 void FFAudioStream::init_swr(int ichs, int ifmt, int irate)
819 if( resample_context ) {
820 if( swr_ichs == ichs && swr_ifmt == ifmt && swr_irate == irate )
822 swr_free(&resample_context);
824 swr_ichs = ichs; swr_ifmt = ifmt; swr_irate = irate;
825 if( ichs == channels && ifmt == AV_SAMPLE_FMT_FLT && irate == sample_rate )
827 uint64_t ilayout = av_get_default_channel_layout(ichs);
828 if( !ilayout ) ilayout = ((uint64_t)1<<ichs) - 1;
829 uint64_t olayout = av_get_default_channel_layout(channels);
830 if( !olayout ) olayout = ((uint64_t)1<<channels) - 1;
831 resample_context = swr_alloc_set_opts(NULL,
832 olayout, AV_SAMPLE_FMT_FLT, sample_rate,
833 ilayout, (AVSampleFormat)ifmt, irate,
835 if( resample_context )
836 swr_init(resample_context);
839 int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
841 samples = *(float **)data;
842 if( resample_context ) {
843 if( len > aud_bfr_sz ) {
849 aud_bfr = new float[aud_bfr_sz*channels];
851 int ret = swr_convert(resample_context,
852 (uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
854 ff_err(ret, "FFAudioStream::get_samples: swr_convert failed\n");
863 int FFAudioStream::load_history(uint8_t **data, int len)
866 len = get_samples(samples, data, len);
868 // biggest user bfr since seek + frame
869 realloc(mbsz + len + 1, channels);
875 int FFAudioStream::decode_frame(AVFrame *frame)
877 int first_frame = seeked; seeked = 0;
878 frame->best_effort_timestamp = AV_NOPTS_VALUE;
879 int ret = avcodec_receive_frame(avctx, frame);
881 if( first_frame ) return 0;
882 if( ret == AVERROR(EAGAIN) ) return 0;
883 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
884 ff_err(ret, "FFAudioStream::decode_frame: Could not read audio frame.\nfile:%s\n",
885 ffmpeg->fmt_ctx->url);
888 int64_t pkt_ts = frame->best_effort_timestamp;
889 if( pkt_ts != AV_NOPTS_VALUE ) {
890 double ts = ffmpeg->to_secs(pkt_ts - nudge, st->time_base);
891 double t = (double)curr_pos / sample_rate;
892 // some time_base clocks are very grainy, too grainy for audio (clicks, pops)
893 if( fabs(ts - t) > AUDIO_PTS_TOLERANCE )
894 curr_pos = ts * sample_rate + 0.5;
899 int FFAudioStream::encode_activate()
901 if( writing >= 0 ) return writing;
902 if( !avctx->codec ) return writing = 0;
903 frame_sz = avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE ?
904 10000 : avctx->frame_size;
905 return FFStream::encode_activate();
908 int64_t FFAudioStream::load_buffer(double ** const sp, int len)
910 reserve(len+1, st->codecpar->channels);
911 for( int ch=0; ch<nch; ++ch )
912 write(sp[ch], len, ch);
916 int FFAudioStream::in_history(int64_t pos)
918 if( pos > curr_pos ) return 0;
920 if( len > sz ) len = sz;
921 if( pos < curr_pos - len ) return 0;
926 int FFAudioStream::init_frame(AVFrame *frame)
928 frame->nb_samples = frame_sz;
929 frame->format = avctx->sample_fmt;
930 frame->channel_layout = avctx->channel_layout;
931 frame->sample_rate = avctx->sample_rate;
932 int ret = av_frame_get_buffer(frame, 0);
934 ff_err(ret, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
938 int FFAudioStream::load(int64_t pos, int len)
940 if( audio_seek(pos) < 0 ) return -1;
941 if( !frame && !(frame=av_frame_alloc()) ) {
942 fprintf(stderr, "FFAudioStream::load: av_frame_alloc failed\n");
945 if( mbsz < len ) mbsz = len;
946 int64_t end_pos = pos + len;
947 int ret = 0, i = len / frame_sz + MAX_RETRY;
948 while( ret>=0 && !flushed && curr_pos<end_pos && --i>=0 ) {
949 ret = read_frame(frame);
950 if( ret > 0 && frame->nb_samples > 0 ) {
951 init_swr(frame->channels, frame->format, frame->sample_rate);
952 load_history(&frame->extended_data[0], frame->nb_samples);
953 curr_pos += frame->nb_samples;
956 if( end_pos > curr_pos ) {
957 zero(end_pos - curr_pos);
960 len = curr_pos - pos;
965 int FFAudioStream::audio_seek(int64_t pos)
967 if( decode_activate() <= 0 ) return -1;
968 if( !st->codecpar ) return -1;
969 if( in_history(pos) ) return 0;
970 if( pos == curr_pos ) return 0;
971 reset_history(); mbsz = 0;
972 // guarentee preload > 1sec samples
973 if( (pos-=sample_rate) < 0 ) pos = 0;
974 if( seek(pos, sample_rate) < 0 ) return -1;
978 int FFAudioStream::encode(double **samples, int len)
980 if( encode_activate() <= 0 ) return -1;
983 int64_t count = samples ? load_buffer(samples, len) : used();
984 int frame_sz1 = samples ? frame_sz-1 : 0;
987 while( ret >= 0 && count > frame_sz1 ) {
988 frm = new FFrame(this);
989 if( (ret=frm->initted()) < 0 ) break;
990 AVFrame *frame = *frm;
991 len = count >= frame_sz ? frame_sz : count;
992 float *bfrp = get_outp(len);
993 ret = swr_convert(resample_context,
994 (uint8_t **)frame->extended_data, len,
995 (const uint8_t **)&bfrp, len);
997 ff_err(ret, "FFAudioStream::encode: swr_convert failed\n");
1000 frame->nb_samples = len;
1001 frm->queue(curr_pos);
1008 return ret >= 0 ? 0 : 1;
1011 int FFAudioStream::drain()
1016 int FFAudioStream::encode_frame(AVFrame *frame)
1018 return FFStream::encode_frame(frame);
1021 int FFAudioStream::write_packet(FFPacket &pkt)
1023 return FFStream::write_packet(pkt);
1026 void FFAudioStream::load_markers()
1028 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1029 if( !index_state || idx >= index_state->audio_markers.size() ) return;
1030 if( index_state->marker_status == MARKERS_NOTTESTED ) return;
1031 FFStream::load_markers(*index_state->audio_markers[idx], sample_rate);
1034 IndexMarks *FFAudioStream::get_markers()
1036 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1037 if( !index_state || idx >= index_state->audio_markers.size() ) return 0;
1038 return index_state->audio_markers[idx];
1041 FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
1042 : FFStream(ffmpeg, strm, fidx),
1043 FFVideoConvert(ffmpeg->ff_prefs())
1051 top_field_first = 0;
1056 FFVideoStream::~FFVideoStream()
1060 AVHWDeviceType FFVideoStream::decode_hw_activate()
1062 AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
1063 const char *hw_dev = ffmpeg->opt_hw_dev;
1064 if( !hw_dev ) hw_dev = getenv("CIN_HW_DEV");
1065 if( !hw_dev ) hw_dev = ffmpeg->ff_hw_dev();
1066 if( hw_dev && *hw_dev &&
1067 strcmp("none", hw_dev) && strcmp(_("none"), hw_dev) ) {
1068 type = av_hwdevice_find_type_by_name(hw_dev);
1069 if( type == AV_HWDEVICE_TYPE_NONE ) {
1070 fprintf(stderr, "Device type %s is not supported.\n", hw_dev);
1071 fprintf(stderr, "Available device types:");
1072 while( (type = av_hwdevice_iterate_types(type)) != AV_HWDEVICE_TYPE_NONE )
1073 fprintf(stderr, " %s", av_hwdevice_get_type_name(type));
1074 fprintf(stderr, "\n");
1080 int FFVideoStream::decode_hw_format(AVCodec *decoder, AVHWDeviceType type)
1083 hw_pix_fmt = AV_PIX_FMT_NONE;
1084 for( int i=0; ; ++i ) {
1085 const AVCodecHWConfig *config = avcodec_get_hw_config(decoder, i);
1087 fprintf(stderr, "Decoder %s does not support device type %s.\n",
1088 decoder->name, av_hwdevice_get_type_name(type));
1092 if( (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX) != 0 &&
1093 config->device_type == type ) {
1094 hw_pix_fmt = config->pix_fmt;
1098 if( hw_pix_fmt >= 0 ) {
1099 hw_pixfmt = hw_pix_fmt;
1100 avctx->get_format = get_hw_format;
1101 ret = av_hwdevice_ctx_create(&hw_device_ctx, type, 0, 0, 0);
1103 avctx->hw_device_ctx = av_buffer_ref(hw_device_ctx);
1107 ff_err(ret, "Failed HW device create.\ndev:%s\n",
1108 av_hwdevice_get_type_name(type));
1115 AVHWDeviceType FFVideoStream::encode_hw_activate(const char *hw_dev)
1117 AVBufferRef *hw_device_ctx = 0;
1118 AVBufferRef *hw_frames_ref = 0;
1119 AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
1120 if( strcmp(_("none"), hw_dev) ) {
1121 type = av_hwdevice_find_type_by_name(hw_dev);
1122 if( type != AV_HWDEVICE_TYPE_VAAPI ) {
1123 fprintf(stderr, "currently, only vaapi hw encode is supported\n");
1124 type = AV_HWDEVICE_TYPE_NONE;
1127 if( type != AV_HWDEVICE_TYPE_NONE ) {
1128 int ret = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_VAAPI, 0, 0, 0);
1130 ff_err(ret, "Failed to create a HW device.\n");
1131 type = AV_HWDEVICE_TYPE_NONE;
1134 if( type != AV_HWDEVICE_TYPE_NONE ) {
1135 hw_frames_ref = av_hwframe_ctx_alloc(hw_device_ctx);
1136 if( !hw_frames_ref ) {
1137 fprintf(stderr, "Failed to create HW frame context.\n");
1138 type = AV_HWDEVICE_TYPE_NONE;
1141 if( type != AV_HWDEVICE_TYPE_NONE ) {
1142 AVHWFramesContext *frames_ctx = (AVHWFramesContext *)(hw_frames_ref->data);
1143 frames_ctx->format = AV_PIX_FMT_VAAPI;
1144 frames_ctx->sw_format = AV_PIX_FMT_NV12;
1145 frames_ctx->width = width;
1146 frames_ctx->height = height;
1147 frames_ctx->initial_pool_size = 0; // 200;
1148 int ret = av_hwframe_ctx_init(hw_frames_ref);
1150 avctx->hw_frames_ctx = av_buffer_ref(hw_frames_ref);
1151 if( !avctx->hw_frames_ctx ) ret = AVERROR(ENOMEM);
1154 ff_err(ret, "Failed to initialize HW frame context.\n");
1155 type = AV_HWDEVICE_TYPE_NONE;
1157 av_buffer_unref(&hw_frames_ref);
1162 int FFVideoStream::encode_hw_write(FFrame *picture)
1165 AVFrame *hw_frm = 0;
1166 switch( avctx->pix_fmt ) {
1167 case AV_PIX_FMT_VAAPI:
1168 hw_frm = av_frame_alloc();
1169 if( !hw_frm ) { ret = AVERROR(ENOMEM); break; }
1170 ret = av_hwframe_get_buffer(avctx->hw_frames_ctx, hw_frm, 0);
1171 if( ret < 0 ) break;
1172 ret = av_hwframe_transfer_data(hw_frm, *picture, 0);
1173 if( ret < 0 ) break;
1174 picture->set_hw_frame(hw_frm);
1179 av_frame_free(&hw_frm);
1180 ff_err(ret, "Error while transferring frame data to GPU.\n");
1184 int FFVideoStream::decode_frame(AVFrame *frame)
1186 int first_frame = seeked; seeked = 0;
1187 int ret = avcodec_receive_frame(avctx, frame);
1189 if( first_frame ) return 0;
1190 if( ret == AVERROR(EAGAIN) ) return 0;
1191 if( ret == AVERROR_EOF ) { st_eof(1); return 0; }
1192 ff_err(ret, "FFVideoStream::decode_frame: Could not read video frame.\nfile:%s\n,",
1193 ffmpeg->fmt_ctx->url);
1196 int64_t pkt_ts = frame->best_effort_timestamp;
1197 if( pkt_ts != AV_NOPTS_VALUE )
1198 curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * frame_rate + 0.5;
1202 int FFVideoStream::load(VFrame *vframe, int64_t pos)
1204 int ret = video_seek(pos);
1205 if( ret < 0 ) return -1;
1206 if( !frame && !(frame=av_frame_alloc()) ) {
1207 fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
1210 int i = MAX_RETRY + pos - curr_pos;
1211 while( ret>=0 && !flushed && curr_pos<=pos && --i>=0 ) {
1212 ret = read_frame(frame);
1213 if( ret > 0 ) ++curr_pos;
1215 if( frame->format == AV_PIX_FMT_NONE || frame->width <= 0 || frame->height <= 0 )
1218 ret = convert_cmodel(vframe, frame);
1220 ret = ret > 0 ? 1 : ret < 0 ? -1 : 0;
1224 int FFVideoStream::video_seek(int64_t pos)
1226 if( decode_activate() <= 0 ) return -1;
1227 if( !st->codecpar ) return -1;
1228 if( pos == curr_pos-1 && !seeked ) return 0;
1229 // if close enough, just read up to current
1230 int gop = avctx->gop_size;
1231 if( gop < 4 ) gop = 4;
1232 if( gop > 64 ) gop = 64;
1233 int read_limit = curr_pos + 3*gop;
1234 if( pos >= curr_pos && pos <= read_limit ) return 0;
1235 // guarentee preload more than 2*gop frames
1236 if( seek(pos - 3*gop, frame_rate) < 0 ) return -1;
1240 int FFVideoStream::init_frame(AVFrame *picture)
1242 switch( avctx->pix_fmt ) {
1243 case AV_PIX_FMT_VAAPI:
1244 picture->format = AV_PIX_FMT_NV12;
1247 picture->format = avctx->pix_fmt;
1250 picture->width = avctx->width;
1251 picture->height = avctx->height;
1252 int ret = av_frame_get_buffer(picture, 32);
1256 int FFVideoStream::encode(VFrame *vframe)
1258 if( encode_activate() <= 0 ) return -1;
1260 FFrame *picture = new FFrame(this);
1261 int ret = picture->initted();
1263 AVFrame *frame = *picture;
1264 frame->pts = curr_pos;
1265 ret = convert_pixfmt(vframe, frame);
1267 if( ret >= 0 && avctx->hw_frames_ctx )
1268 encode_hw_write(picture);
1270 picture->queue(curr_pos);
1274 fprintf(stderr, "FFVideoStream::encode: encode failed\n");
1277 return ret >= 0 ? 0 : 1;
1280 int FFVideoStream::drain()
1285 int FFVideoStream::encode_frame(AVFrame *frame)
1288 frame->interlaced_frame = interlaced;
1289 frame->top_field_first = top_field_first;
1291 if( frame && frame->format == AV_PIX_FMT_VAAPI ) { // ugly
1292 int ret = avcodec_send_frame(avctx, frame);
1293 for( int retry=MAX_RETRY; !ret && --retry>=0; ) {
1294 FFPacket pkt; av_init_packet(pkt);
1295 pkt->data = NULL; pkt->size = 0;
1296 if( (ret=avcodec_receive_packet(avctx, pkt)) < 0 ) {
1297 if( ret == AVERROR(EAGAIN) ) ret = 0; // weird
1300 ret = write_packet(pkt);
1301 pkt->stream_index = 0;
1302 av_packet_unref(pkt);
1305 ff_err(ret, "FFStream::encode_frame: vaapi encode failed.\nfile: %s\n",
1306 ffmpeg->fmt_ctx->url);
1311 return FFStream::encode_frame(frame);
1314 int FFVideoStream::write_packet(FFPacket &pkt)
1316 if( !(ffmpeg->fmt_ctx->oformat->flags & AVFMT_VARIABLE_FPS) )
1318 return FFStream::write_packet(pkt);
1321 AVPixelFormat FFVideoConvert::color_model_to_pix_fmt(int color_model)
1323 switch( color_model ) {
1324 case BC_YUV422: return AV_PIX_FMT_YUYV422;
1325 case BC_RGB888: return AV_PIX_FMT_RGB24;
1326 case BC_RGBA8888: return AV_PIX_FMT_RGBA;
1327 case BC_BGR8888: return AV_PIX_FMT_BGR0;
1328 case BC_BGR888: return AV_PIX_FMT_BGR24;
1329 case BC_ARGB8888: return AV_PIX_FMT_ARGB;
1330 case BC_ABGR8888: return AV_PIX_FMT_ABGR;
1331 case BC_RGB8: return AV_PIX_FMT_RGB8;
1332 case BC_YUV420P: return AV_PIX_FMT_YUV420P;
1333 case BC_YUV422P: return AV_PIX_FMT_YUV422P;
1334 case BC_YUV444P: return AV_PIX_FMT_YUV444P;
1335 case BC_YUV411P: return AV_PIX_FMT_YUV411P;
1336 case BC_RGB565: return AV_PIX_FMT_RGB565;
1337 case BC_RGB161616: return AV_PIX_FMT_RGB48LE;
1338 case BC_RGBA16161616: return AV_PIX_FMT_RGBA64LE;
1339 case BC_AYUV16161616: return AV_PIX_FMT_AYUV64LE;
1340 case BC_GBRP: return AV_PIX_FMT_GBRP;
1344 return AV_PIX_FMT_NB;
1347 int FFVideoConvert::pix_fmt_to_color_model(AVPixelFormat pix_fmt)
1350 case AV_PIX_FMT_YUYV422: return BC_YUV422;
1351 case AV_PIX_FMT_RGB24: return BC_RGB888;
1352 case AV_PIX_FMT_RGBA: return BC_RGBA8888;
1353 case AV_PIX_FMT_BGR0: return BC_BGR8888;
1354 case AV_PIX_FMT_BGR24: return BC_BGR888;
1355 case AV_PIX_FMT_ARGB: return BC_ARGB8888;
1356 case AV_PIX_FMT_ABGR: return BC_ABGR8888;
1357 case AV_PIX_FMT_RGB8: return BC_RGB8;
1358 case AV_PIX_FMT_YUV420P: return BC_YUV420P;
1359 case AV_PIX_FMT_YUV422P: return BC_YUV422P;
1360 case AV_PIX_FMT_YUV444P: return BC_YUV444P;
1361 case AV_PIX_FMT_YUV411P: return BC_YUV411P;
1362 case AV_PIX_FMT_RGB565: return BC_RGB565;
1363 case AV_PIX_FMT_RGB48LE: return BC_RGB161616;
1364 case AV_PIX_FMT_RGBA64LE: return BC_RGBA16161616;
1365 case AV_PIX_FMT_AYUV64LE: return BC_AYUV16161616;
1366 case AV_PIX_FMT_GBRP: return BC_GBRP;
1373 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip)
1375 AVFrame *ipic = av_frame_alloc();
1376 int ret = convert_picture_vframe(frame, ip, ipic);
1377 av_frame_free(&ipic);
1381 int FFVideoConvert::convert_picture_vframe(VFrame *frame, AVFrame *ip, AVFrame *ipic)
1382 { // picture = vframe
1383 int cmodel = frame->get_color_model();
1384 AVPixelFormat ofmt = color_model_to_pix_fmt(cmodel);
1385 if( ofmt == AV_PIX_FMT_NB ) return -1;
1386 int size = av_image_fill_arrays(ipic->data, ipic->linesize,
1387 frame->get_data(), ofmt, frame->get_w(), frame->get_h(), 1);
1388 if( size < 0 ) return -1;
1390 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1391 int ysz = bpp * frame->get_w(), usz = ysz;
1401 // override av_image_fill_arrays() for planar types
1402 ipic->data[0] = frame->get_y(); ipic->linesize[0] = ysz;
1403 ipic->data[1] = frame->get_u(); ipic->linesize[1] = usz;
1404 ipic->data[2] = frame->get_v(); ipic->linesize[2] = usz;
1407 ipic->data[0] = frame->get_data();
1408 ipic->linesize[0] = frame->get_bytes_per_line();
1412 AVPixelFormat pix_fmt = (AVPixelFormat)ip->format;
1413 FFVideoStream *vid =(FFVideoStream *)this;
1414 if( pix_fmt == vid->hw_pixfmt ) {
1416 if( !sw_frame && !(sw_frame=av_frame_alloc()) )
1417 ret = AVERROR(ENOMEM);
1419 ret = av_hwframe_transfer_data(sw_frame, ip, 0);
1421 pix_fmt = (AVPixelFormat)ip->format;
1424 eprintf(_("Error retrieving data from GPU to CPU\nfile: %s\n"),
1425 vid->ffmpeg->fmt_ctx->url);
1429 convert_ctx = sws_getCachedContext(convert_ctx, ip->width, ip->height, pix_fmt,
1430 frame->get_w(), frame->get_h(), ofmt, SWS_POINT, NULL, NULL, NULL);
1431 if( !convert_ctx ) {
1432 fprintf(stderr, "FFVideoConvert::convert_picture_frame:"
1433 " sws_getCachedContext() failed\n");
1437 int color_range = 0;
1438 switch( preferences->yuv_color_range ) {
1439 case BC_COLORS_JPEG: color_range = 1; break;
1440 case BC_COLORS_MPEG: color_range = 0; break;
1442 int color_space = SWS_CS_ITU601;
1443 switch( preferences->yuv_color_space ) {
1444 case BC_COLORS_BT601: color_space = SWS_CS_ITU601; break;
1445 case BC_COLORS_BT709: color_space = SWS_CS_ITU709; break;
1446 case BC_COLORS_BT2020: color_space = SWS_CS_BT2020; break;
1448 const int *color_table = sws_getCoefficients(color_space);
1450 int *inv_table, *table, src_range, dst_range;
1451 int brightness, contrast, saturation;
1452 if( !sws_getColorspaceDetails(convert_ctx,
1453 &inv_table, &src_range, &table, &dst_range,
1454 &brightness, &contrast, &saturation) ) {
1455 if( src_range != color_range || dst_range != color_range ||
1456 inv_table != color_table || table != color_table )
1457 sws_setColorspaceDetails(convert_ctx,
1458 color_table, color_range, color_table, color_range,
1459 brightness, contrast, saturation);
1462 int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ip->height,
1463 ipic->data, ipic->linesize);
1465 ff_err(ret, "FFVideoConvert::convert_picture_frame: sws_scale() failed\nfile: %s\n",
1466 vid->ffmpeg->fmt_ctx->url);
1472 int FFVideoConvert::convert_cmodel(VFrame *frame, AVFrame *ip)
1474 // try direct transfer
1475 if( !convert_picture_vframe(frame, ip) ) return 1;
1476 // use indirect transfer
1477 AVPixelFormat ifmt = (AVPixelFormat)ip->format;
1478 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(ifmt);
1480 for( int i = 0; i <desc->nb_components; ++i ) {
1481 int bits = desc->comp[i].depth;
1482 if( bits > max_bits ) max_bits = bits;
1484 int imodel = pix_fmt_to_color_model(ifmt);
1485 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1486 int cmodel = frame->get_color_model();
1487 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1488 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1489 imodel = cmodel_is_yuv ?
1490 (BC_CModels::has_alpha(cmodel) ?
1492 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1493 (BC_CModels::has_alpha(cmodel) ?
1494 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1495 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1497 VFrame vframe(ip->width, ip->height, imodel);
1498 if( convert_picture_vframe(&vframe, ip) ) return -1;
1499 frame->transfer_from(&vframe);
1503 int FFVideoConvert::transfer_cmodel(VFrame *frame, AVFrame *ifp)
1505 int ret = convert_cmodel(frame, ifp);
1507 const AVDictionary *src = ifp->metadata;
1508 AVDictionaryEntry *t = NULL;
1509 BC_Hash *hp = frame->get_params();
1511 while( (t=av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX)) )
1512 hp->update(t->key, t->value);
1517 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op)
1519 AVFrame *opic = av_frame_alloc();
1520 int ret = convert_vframe_picture(frame, op, opic);
1521 av_frame_free(&opic);
1525 int FFVideoConvert::convert_vframe_picture(VFrame *frame, AVFrame *op, AVFrame *opic)
1526 { // vframe = picture
1527 int cmodel = frame->get_color_model();
1528 AVPixelFormat ifmt = color_model_to_pix_fmt(cmodel);
1529 if( ifmt == AV_PIX_FMT_NB ) return -1;
1530 int size = av_image_fill_arrays(opic->data, opic->linesize,
1531 frame->get_data(), ifmt, frame->get_w(), frame->get_h(), 1);
1532 if( size < 0 ) return -1;
1534 int bpp = BC_CModels::calculate_pixelsize(cmodel);
1535 int ysz = bpp * frame->get_w(), usz = ysz;
1545 // override av_image_fill_arrays() for planar types
1546 opic->data[0] = frame->get_y(); opic->linesize[0] = ysz;
1547 opic->data[1] = frame->get_u(); opic->linesize[1] = usz;
1548 opic->data[2] = frame->get_v(); opic->linesize[2] = usz;
1551 opic->data[0] = frame->get_data();
1552 opic->linesize[0] = frame->get_bytes_per_line();
1556 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1557 convert_ctx = sws_getCachedContext(convert_ctx, frame->get_w(), frame->get_h(),
1558 ifmt, op->width, op->height, ofmt, SWS_POINT, NULL, NULL, NULL);
1559 if( !convert_ctx ) {
1560 fprintf(stderr, "FFVideoConvert::convert_frame_picture:"
1561 " sws_getCachedContext() failed\n");
1566 int color_range = 0;
1567 switch( preferences->yuv_color_range ) {
1568 case BC_COLORS_JPEG: color_range = 1; break;
1569 case BC_COLORS_MPEG: color_range = 0; break;
1571 int color_space = SWS_CS_ITU601;
1572 switch( preferences->yuv_color_space ) {
1573 case BC_COLORS_BT601: color_space = SWS_CS_ITU601; break;
1574 case BC_COLORS_BT709: color_space = SWS_CS_ITU709; break;
1575 case BC_COLORS_BT2020: color_space = SWS_CS_BT2020; break;
1577 const int *color_table = sws_getCoefficients(color_space);
1579 int *inv_table, *table, src_range, dst_range;
1580 int brightness, contrast, saturation;
1581 if( !sws_getColorspaceDetails(convert_ctx,
1582 &inv_table, &src_range, &table, &dst_range,
1583 &brightness, &contrast, &saturation) ) {
1584 if( dst_range != color_range || table != color_table )
1585 sws_setColorspaceDetails(convert_ctx,
1586 inv_table, src_range, color_table, color_range,
1587 brightness, contrast, saturation);
1590 int ret = sws_scale(convert_ctx, opic->data, opic->linesize, 0, frame->get_h(),
1591 op->data, op->linesize);
1593 ff_err(ret, "FFVideoConvert::convert_frame_picture: sws_scale() failed\n");
1599 int FFVideoConvert::convert_pixfmt(VFrame *frame, AVFrame *op)
1601 // try direct transfer
1602 if( !convert_vframe_picture(frame, op) ) return 1;
1603 // use indirect transfer
1604 int cmodel = frame->get_color_model();
1605 int max_bits = BC_CModels::calculate_pixelsize(cmodel) * 8;
1606 max_bits /= BC_CModels::components(cmodel);
1607 AVPixelFormat ofmt = (AVPixelFormat)op->format;
1608 int imodel = pix_fmt_to_color_model(ofmt);
1609 int imodel_is_yuv = BC_CModels::is_yuv(imodel);
1610 int cmodel_is_yuv = BC_CModels::is_yuv(cmodel);
1611 if( imodel < 0 || imodel_is_yuv != cmodel_is_yuv ) {
1612 imodel = cmodel_is_yuv ?
1613 (BC_CModels::has_alpha(cmodel) ?
1615 (max_bits > 8 ? BC_AYUV16161616 : BC_YUV444P)) :
1616 (BC_CModels::has_alpha(cmodel) ?
1617 (max_bits > 8 ? BC_RGBA16161616 : BC_RGBA8888) :
1618 (max_bits > 8 ? BC_RGB161616 : BC_RGB888)) ;
1620 VFrame vframe(frame->get_w(), frame->get_h(), imodel);
1621 vframe.transfer_from(frame);
1622 if( !convert_vframe_picture(&vframe, op) ) return 1;
1626 int FFVideoConvert::transfer_pixfmt(VFrame *frame, AVFrame *ofp)
1628 int ret = convert_pixfmt(frame, ofp);
1630 BC_Hash *hp = frame->get_params();
1631 AVDictionary **dict = &ofp->metadata;
1632 //av_dict_free(dict);
1633 for( int i=0; i<hp->size(); ++i ) {
1634 char *key = hp->get_key(i), *val = hp->get_value(i);
1635 av_dict_set(dict, key, val, 0);
1641 void FFVideoStream::load_markers()
1643 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1644 if( !index_state || idx >= index_state->video_markers.size() ) return;
1645 FFStream::load_markers(*index_state->video_markers[idx], frame_rate);
1648 IndexMarks *FFVideoStream::get_markers()
1650 IndexState *index_state = ffmpeg->file_base->asset->index_state;
1651 if( !index_state || idx >= index_state->video_markers.size() ) return 0;
1652 return !index_state ? 0 : index_state->video_markers[idx];
1656 FFMPEG::FFMPEG(FileBase *file_base)
1659 this->file_base = file_base;
1660 memset(file_format,0,sizeof(file_format));
1661 mux_lock = new Condition(0,"FFMPEG::mux_lock",0);
1662 flow_lock = new Condition(1,"FFStream::flow_lock",0);
1665 decoding = encoding = 0;
1666 has_audio = has_video = 0;
1669 opt_video_filter = 0;
1670 opt_audio_filter = 0;
1672 opt_video_decoder = 0;
1673 opt_audio_decoder = 0;
1675 char option_path[BCTEXTLEN];
1676 set_option_path(option_path, "%s", "ffmpeg.opts");
1677 read_options(option_path, opts);
1682 ff_lock("FFMPEG::~FFMPEG()");
1684 ffaudio.remove_all_objects();
1685 ffvideo.remove_all_objects();
1686 if( fmt_ctx ) avformat_close_input(&fmt_ctx);
1690 av_dict_free(&opts);
1691 delete [] opt_video_filter;
1692 delete [] opt_audio_filter;
1693 delete [] opt_hw_dev;
1696 int FFMPEG::check_sample_rate(AVCodec *codec, int sample_rate)
1698 const int *p = codec->supported_samplerates;
1699 if( !p ) return sample_rate;
1701 if( *p == sample_rate ) return *p;
1707 static inline AVRational std_frame_rate(int i)
1709 static const int m1 = 1001*12, m2 = 1000*12;
1710 static const int freqs[] = {
1711 40*m1, 48*m1, 50*m1, 60*m1, 80*m1,120*m1, 240*m1,
1712 24*m2, 30*m2, 60*m2, 12*m2, 15*m2, 48*m2, 0,
1714 int freq = i<30*12 ? (i+1)*1001 : freqs[i-30*12];
1715 return (AVRational) { freq, 1001*12 };
1718 AVRational FFMPEG::check_frame_rate(AVCodec *codec, double frame_rate)
1720 const AVRational *p = codec->supported_framerates;
1721 AVRational rate, best_rate = (AVRational) { 0, 0 };
1722 double max_err = 1.; int i = 0;
1723 while( ((p ? (rate=*p++) : (rate=std_frame_rate(i++))), rate.num) != 0 ) {
1724 double framerate = (double) rate.num / rate.den;
1725 double err = fabs(frame_rate/framerate - 1.);
1726 if( err >= max_err ) continue;
1730 return max_err < 0.0001 ? best_rate : (AVRational) { 0, 0 };
1733 AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset)
1736 double display_aspect = asset->width / (double)asset->height;
1737 double sample_aspect = display_aspect / asset->aspect_ratio;
1738 int width = 1000000, height = width * sample_aspect + 0.5;
1740 MWindow::create_aspect_ratio(w, h, width, height);
1741 return (AVRational){(int)w, (int)h};
1744 return (AVRational){1, 1};
1748 AVRational FFMPEG::to_time_base(int sample_rate)
1750 return (AVRational){1, sample_rate};
1753 int FFMPEG::get_fmt_score(AVSampleFormat dst_fmt, AVSampleFormat src_fmt)
1756 int dst_planar = av_sample_fmt_is_planar(dst_fmt);
1757 int src_planar = av_sample_fmt_is_planar(src_fmt);
1758 if( dst_planar != src_planar ) ++score;
1759 int dst_bytes = av_get_bytes_per_sample(dst_fmt);
1760 int src_bytes = av_get_bytes_per_sample(src_fmt);
1761 score += (src_bytes > dst_bytes ? 100 : -10) * (src_bytes - dst_bytes);
1762 int src_packed = av_get_packed_sample_fmt(src_fmt);
1763 int dst_packed = av_get_packed_sample_fmt(dst_fmt);
1764 if( dst_packed == AV_SAMPLE_FMT_S32 && src_packed == AV_SAMPLE_FMT_FLT ) score += 20;
1765 if( dst_packed == AV_SAMPLE_FMT_FLT && src_packed == AV_SAMPLE_FMT_S32 ) score += 2;
1769 AVSampleFormat FFMPEG::find_best_sample_fmt_of_list(
1770 const AVSampleFormat *sample_fmts, AVSampleFormat src_fmt)
1772 AVSampleFormat best = AV_SAMPLE_FMT_NONE;
1773 int best_score = get_fmt_score(best, src_fmt);
1774 for( int i=0; sample_fmts[i] >= 0; ++i ) {
1775 AVSampleFormat sample_fmt = sample_fmts[i];
1776 int score = get_fmt_score(sample_fmt, src_fmt);
1777 if( score >= best_score ) continue;
1778 best = sample_fmt; best_score = score;
1784 void FFMPEG::set_option_path(char *path, const char *fmt, ...)
1786 char *ep = path + BCTEXTLEN-1;
1787 strncpy(path, File::get_cindat_path(), ep-path);
1788 strncat(path, "/ffmpeg/", ep-path);
1789 path += strlen(path);
1792 path += vsnprintf(path, ep-path, fmt, ap);
1797 void FFMPEG::get_option_path(char *path, const char *type, const char *spec)
1802 set_option_path(path, "%s/%s", type, spec);
1805 int FFMPEG::get_format(char *format, const char *path, const char *spec)
1807 char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
1808 get_option_path(option_path, path, spec);
1809 FILE *fp = fopen(option_path,"r");
1812 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1814 line[sizeof(line)-1] = 0;
1815 ret = scan_option_line(line, format, codec);
1821 int FFMPEG::get_codec(char *codec, const char *path, const char *spec)
1823 char option_path[BCTEXTLEN], line[BCTEXTLEN], format[BCTEXTLEN];
1824 get_option_path(option_path, path, spec);
1825 FILE *fp = fopen(option_path,"r");
1828 if( !fgets(line, sizeof(line), fp) ) ret = 1;
1831 line[sizeof(line)-1] = 0;
1832 ret = scan_option_line(line, format, codec);
1835 char *vp = codec, *ep = vp+BCTEXTLEN-1;
1836 while( vp < ep && *vp && *vp != '|' ) ++vp;
1837 if( *vp == '|' ) --vp;
1838 while( vp > codec && (*vp==' ' || *vp=='\t') ) *vp-- = 0;
1843 int FFMPEG::get_file_format()
1845 char audio_muxer[BCSTRLEN], video_muxer[BCSTRLEN];
1846 char audio_format[BCSTRLEN], video_format[BCSTRLEN];
1847 audio_muxer[0] = audio_format[0] = 0;
1848 video_muxer[0] = video_format[0] = 0;
1849 Asset *asset = file_base->asset;
1850 int ret = asset ? 0 : 1;
1851 if( !ret && asset->audio_data ) {
1852 if( !(ret=get_format(audio_format, "audio", asset->acodec)) ) {
1853 if( get_format(audio_muxer, "format", audio_format) ) {
1854 strcpy(audio_muxer, audio_format);
1855 audio_format[0] = 0;
1859 if( !ret && asset->video_data ) {
1860 if( !(ret=get_format(video_format, "video", asset->vcodec)) ) {
1861 if( get_format(video_muxer, "format", video_format) ) {
1862 strcpy(video_muxer, video_format);
1863 video_format[0] = 0;
1867 if( !ret && !audio_muxer[0] && !video_muxer[0] )
1869 if( !ret && audio_muxer[0] && video_muxer[0] &&
1870 strcmp(audio_muxer, video_muxer) ) ret = -1;
1871 if( !ret && audio_format[0] && video_format[0] &&
1872 strcmp(audio_format, video_format) ) ret = -1;
1874 strcpy(file_format, !audio_format[0] && !video_format[0] ?
1875 (audio_muxer[0] ? audio_muxer : video_muxer) :
1876 (audio_format[0] ? audio_format : video_format));
1880 int FFMPEG::scan_option_line(const char *cp, char *tag, char *val)
1882 while( *cp == ' ' || *cp == '\t' ) ++cp;
1883 const char *bp = cp;
1884 while( *cp && *cp != ' ' && *cp != '\t' && *cp != '=' && *cp != '\n' ) ++cp;
1886 if( !len || len > BCSTRLEN-1 ) return 1;
1887 while( bp < cp ) *tag++ = *bp++;
1889 while( *cp == ' ' || *cp == '\t' ) ++cp;
1890 if( *cp == '=' ) ++cp;
1891 while( *cp == ' ' || *cp == '\t' ) ++cp;
1893 while( *cp && *cp != '\n' ) ++cp;
1895 if( len > BCTEXTLEN-1 ) return 1;
1896 while( bp < cp ) *val++ = *bp++;
1901 int FFMPEG::can_render(const char *fformat, const char *type)
1904 char option_path[BCTEXTLEN];
1905 FFMPEG::set_option_path(option_path, type);
1906 fs.update(option_path);
1907 int total_files = fs.total_files();
1908 for( int i=0; i<total_files; ++i ) {
1909 const char *name = fs.get_entry(i)->get_name();
1910 const char *ext = strrchr(name,'.');
1911 if( !ext ) continue;
1912 if( !strcmp(fformat, ++ext) ) return 1;
1917 int FFMPEG::get_ff_option(const char *nm, const char *options, char *value)
1919 for( const char *cp=options; *cp!=0; ) {
1920 char line[BCTEXTLEN], *bp = line, *ep = bp+sizeof(line)-1;
1921 while( bp < ep && *cp && *cp!='\n' ) *bp++ = *cp++;
1924 if( !line[0] || line[0] == '#' || line[0] == ';' ) continue;
1925 char key[BCSTRLEN], val[BCTEXTLEN];
1926 if( FFMPEG::scan_option_line(line, key, val) ) continue;
1927 if( !strcmp(key, nm) ) {
1928 strncpy(value, val, BCSTRLEN);
1935 void FFMPEG::scan_audio_options(Asset *asset, EDL *edl)
1937 char cin_sample_fmt[BCSTRLEN];
1938 int cin_fmt = AV_SAMPLE_FMT_NONE;
1939 const char *options = asset->ff_audio_options;
1940 if( !get_ff_option("cin_sample_fmt", options, cin_sample_fmt) )
1941 cin_fmt = (int)av_get_sample_fmt(cin_sample_fmt);
1943 char audio_codec[BCSTRLEN]; audio_codec[0] = 0;
1944 AVCodec *av_codec = !FFMPEG::get_codec(audio_codec, "audio", asset->acodec) ?
1945 avcodec_find_encoder_by_name(audio_codec) : 0;
1946 if( av_codec && av_codec->sample_fmts )
1947 cin_fmt = find_best_sample_fmt_of_list(av_codec->sample_fmts, AV_SAMPLE_FMT_FLT);
1949 if( cin_fmt < 0 ) cin_fmt = AV_SAMPLE_FMT_S16;
1950 const char *name = av_get_sample_fmt_name((AVSampleFormat)cin_fmt);
1951 if( !name ) name = _("None");
1952 strcpy(asset->ff_sample_format, name);
1954 char value[BCSTRLEN];
1955 if( !get_ff_option("cin_bitrate", options, value) )
1956 asset->ff_audio_bitrate = atoi(value);
1957 if( !get_ff_option("cin_quality", options, value) )
1958 asset->ff_audio_quality = atoi(value);
1961 void FFMPEG::load_audio_options(Asset *asset, EDL *edl)
1963 char options_path[BCTEXTLEN];
1964 set_option_path(options_path, "audio/%s", asset->acodec);
1965 if( !load_options(options_path,
1966 asset->ff_audio_options,
1967 sizeof(asset->ff_audio_options)) )
1968 scan_audio_options(asset, edl);
1971 void FFMPEG::scan_video_options(Asset *asset, EDL *edl)
1973 char cin_pix_fmt[BCSTRLEN];
1974 int cin_fmt = AV_PIX_FMT_NONE;
1975 const char *options = asset->ff_video_options;
1976 if( !get_ff_option("cin_pix_fmt", options, cin_pix_fmt) )
1977 cin_fmt = (int)av_get_pix_fmt(cin_pix_fmt);
1979 char video_codec[BCSTRLEN]; video_codec[0] = 0;
1980 AVCodec *av_codec = !get_codec(video_codec, "video", asset->vcodec) ?
1981 avcodec_find_encoder_by_name(video_codec) : 0;
1982 if( av_codec && av_codec->pix_fmts ) {
1983 if( 0 && edl ) { // frequently picks a bad answer
1984 int color_model = edl->session->color_model;
1985 int max_bits = BC_CModels::calculate_pixelsize(color_model) * 8;
1986 max_bits /= BC_CModels::components(color_model);
1987 cin_fmt = avcodec_find_best_pix_fmt_of_list(av_codec->pix_fmts,
1988 (BC_CModels::is_yuv(color_model) ?
1989 (max_bits > 8 ? AV_PIX_FMT_AYUV64LE : AV_PIX_FMT_YUV444P) :
1990 (max_bits > 8 ? AV_PIX_FMT_RGB48LE : AV_PIX_FMT_RGB24)), 0, 0);
1993 cin_fmt = av_codec->pix_fmts[0];
1996 if( cin_fmt < 0 ) cin_fmt = AV_PIX_FMT_YUV420P;
1997 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get((AVPixelFormat)cin_fmt);
1998 const char *name = desc ? desc->name : _("None");
1999 strcpy(asset->ff_pixel_format, name);
2001 char value[BCSTRLEN];
2002 if( !get_ff_option("cin_bitrate", options, value) )
2003 asset->ff_video_bitrate = atoi(value);
2004 if( !get_ff_option("cin_quality", options, value) )
2005 asset->ff_video_quality = atoi(value);
2008 void FFMPEG::load_video_options(Asset *asset, EDL *edl)
2010 char options_path[BCTEXTLEN];
2011 set_option_path(options_path, "video/%s", asset->vcodec);
2012 if( !load_options(options_path,
2013 asset->ff_video_options,
2014 sizeof(asset->ff_video_options)) )
2015 scan_video_options(asset, edl);
2018 void FFMPEG::scan_format_options(Asset *asset, EDL *edl)
2022 void FFMPEG::load_format_options(Asset *asset, EDL *edl)
2024 char options_path[BCTEXTLEN];
2025 set_option_path(options_path, "format/%s", asset->fformat);
2026 if( !load_options(options_path,
2027 asset->ff_format_options,
2028 sizeof(asset->ff_format_options)) )
2029 scan_format_options(asset, edl);
2032 int FFMPEG::load_defaults(const char *path, const char *type,
2033 char *codec, char *codec_options, int len)
2035 char default_file[BCTEXTLEN];
2036 set_option_path(default_file, "%s/%s.dfl", path, type);
2037 FILE *fp = fopen(default_file,"r");
2039 fgets(codec, BCSTRLEN, fp);
2041 while( *cp && *cp!='\n' ) ++cp;
2043 while( len > 0 && fgets(codec_options, len, fp) ) {
2044 int n = strlen(codec_options);
2045 codec_options += n; len -= n;
2048 set_option_path(default_file, "%s/%s", path, codec);
2049 return load_options(default_file, codec_options, len);
2052 void FFMPEG::set_asset_format(Asset *asset, EDL *edl, const char *text)
2054 if( asset->format != FILE_FFMPEG ) return;
2055 if( text != asset->fformat )
2056 strcpy(asset->fformat, text);
2057 if( !asset->ff_format_options[0] )
2058 load_format_options(asset, edl);
2059 if( asset->audio_data && !asset->ff_audio_options[0] ) {
2060 if( !load_defaults("audio", text, asset->acodec,
2061 asset->ff_audio_options, sizeof(asset->ff_audio_options)) )
2062 scan_audio_options(asset, edl);
2064 asset->audio_data = 0;
2066 if( asset->video_data && !asset->ff_video_options[0] ) {
2067 if( !load_defaults("video", text, asset->vcodec,
2068 asset->ff_video_options, sizeof(asset->ff_video_options)) )
2069 scan_video_options(asset, edl);
2071 asset->video_data = 0;
2075 int FFMPEG::get_encoder(const char *options,
2076 char *format, char *codec, char *bsfilter)
2078 FILE *fp = fopen(options,"r");
2080 eprintf(_("options open failed %s\n"),options);
2083 char line[BCTEXTLEN];
2084 if( !fgets(line, sizeof(line), fp) ||
2085 scan_encoder(line, format, codec, bsfilter) )
2086 eprintf(_("format/codec not found %s\n"), options);
2091 int FFMPEG::scan_encoder(const char *line,
2092 char *format, char *codec, char *bsfilter)
2094 format[0] = codec[0] = bsfilter[0] = 0;
2095 if( scan_option_line(line, format, codec) ) return 1;
2097 while( *cp && *cp != '|' ) ++cp;
2098 if( !*cp ) return 0;
2100 do { *bp-- = 0; } while( bp>=codec && (*bp==' ' || *bp == '\t' ) );
2101 while( *++cp && (*cp==' ' || *cp == '\t') );
2103 for( int i=BCTEXTLEN; --i>0 && *cp; ) *bp++ = *cp++;
2108 int FFMPEG::read_options(const char *options, AVDictionary *&opts, int skip)
2110 FILE *fp = fopen(options,"r");
2113 while( !ret && --skip >= 0 ) {
2115 while( ch >= 0 && ch != '\n' ) ch = getc(fp);
2116 if( ch < 0 ) ret = 1;
2119 ret = read_options(fp, options, opts);
2124 int FFMPEG::scan_options(const char *options, AVDictionary *&opts, AVStream *st)
2126 FILE *fp = fmemopen((void *)options,strlen(options),"r");
2128 int ret = read_options(fp, options, opts);
2131 AVDictionaryEntry *tag = av_dict_get(opts, "id", NULL, 0);
2132 if( tag ) st->id = strtol(tag->value,0,0);
2137 FFCodecRemap::FFCodecRemap()
2142 FFCodecRemap::~FFCodecRemap()
2144 delete [] old_codec;
2145 delete [] new_codec;
2148 int FFCodecRemaps::add(const char *val)
2150 char old_codec[BCSTRLEN], new_codec[BCSTRLEN];
2151 if( sscanf(val, " %63[a-zA-z0-9_-] = %63[a-z0-9_-]",
2152 &old_codec[0], &new_codec[0]) != 2 ) return 1;
2153 FFCodecRemap &remap = append();
2154 remap.old_codec = cstrdup(old_codec);
2155 remap.new_codec = cstrdup(new_codec);
2160 int FFCodecRemaps::update(AVCodecID &codec_id, AVCodec *&decoder)
2162 AVCodec *codec = avcodec_find_decoder(codec_id);
2163 if( !codec ) return -1;
2164 const char *name = codec->name;
2165 FFCodecRemaps &map = *this;
2167 while( --k >= 0 && strcmp(map[k].old_codec, name) );
2168 if( k < 0 ) return 1;
2169 const char *new_codec = map[k].new_codec;
2170 codec = avcodec_find_decoder_by_name(new_codec);
2171 if( !codec ) return -1;
2176 int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
2178 int ret = 0, no = 0;
2179 char line[BCTEXTLEN];
2180 while( !ret && fgets(line, sizeof(line), fp) ) {
2181 line[sizeof(line)-1] = 0;
2182 if( line[0] == '#' ) continue;
2183 if( line[0] == '\n' ) continue;
2184 char key[BCSTRLEN], val[BCTEXTLEN];
2185 if( scan_option_line(line, key, val) ) {
2186 eprintf(_("err reading %s: line %d\n"), options, no);
2190 if( !strcmp(key, "duration") )
2191 opt_duration = strtod(val, 0);
2192 else if( !strcmp(key, "video_decoder") )
2193 opt_video_decoder = cstrdup(val);
2194 else if( !strcmp(key, "audio_decoder") )
2195 opt_audio_decoder = cstrdup(val);
2196 else if( !strcmp(key, "remap_video_decoder") )
2197 video_codec_remaps.add(val);
2198 else if( !strcmp(key, "remap_audio_decoder") )
2199 audio_codec_remaps.add(val);
2200 else if( !strcmp(key, "video_filter") )
2201 opt_video_filter = cstrdup(val);
2202 else if( !strcmp(key, "audio_filter") )
2203 opt_audio_filter = cstrdup(val);
2204 else if( !strcmp(key, "cin_hw_dev") )
2205 opt_hw_dev = cstrdup(val);
2206 else if( !strcmp(key, "loglevel") )
2209 av_dict_set(&opts, key, val, 0);
2215 int FFMPEG::load_options(const char *options, AVDictionary *&opts)
2217 char option_path[BCTEXTLEN];
2218 set_option_path(option_path, "%s", options);
2219 return read_options(option_path, opts);
2222 int FFMPEG::load_options(const char *path, char *bfr, int len)
2225 FILE *fp = fopen(path, "r");
2227 fgets(bfr, len, fp); // skip hdr
2228 len = fread(bfr, 1, len-1, fp);
2229 if( len < 0 ) len = 0;
2235 void FFMPEG::set_loglevel(const char *ap)
2237 if( !ap || !*ap ) return;
2242 { "quiet" , AV_LOG_QUIET },
2243 { "panic" , AV_LOG_PANIC },
2244 { "fatal" , AV_LOG_FATAL },
2245 { "error" , AV_LOG_ERROR },
2246 { "warning", AV_LOG_WARNING },
2247 { "info" , AV_LOG_INFO },
2248 { "verbose", AV_LOG_VERBOSE },
2249 { "debug" , AV_LOG_DEBUG },
2251 for( int i=0; i<(int)(sizeof(log_levels)/sizeof(log_levels[0])); ++i ) {
2252 if( !strcmp(log_levels[i].name, ap) ) {
2253 av_log_set_level(log_levels[i].level);
2257 av_log_set_level(atoi(ap));
2260 double FFMPEG::to_secs(int64_t time, AVRational time_base)
2262 double base_time = time == AV_NOPTS_VALUE ? 0 :
2263 av_rescale_q(time, time_base, AV_TIME_BASE_Q);
2264 return base_time / AV_TIME_BASE;
2267 int FFMPEG::info(char *text, int len)
2269 if( len <= 0 ) return 0;
2271 #define report(s...) do { int n = snprintf(cp,len,s); cp += n; len -= n; } while(0)
2273 report("format: %s\n",fmt_ctx->iformat->name);
2274 if( ffvideo.size() > 0 )
2275 report("\n%d video stream%s\n",ffvideo.size(), ffvideo.size()!=1 ? "s" : "");
2276 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
2277 const char *unkn = _("(unkn)");
2278 FFVideoStream *vid = ffvideo[vidx];
2279 AVStream *st = vid->st;
2280 AVCodecID codec_id = st->codecpar->codec_id;
2281 report(_("vid%d (%d), id 0x%06x:\n"), vid->idx, vid->fidx, codec_id);
2282 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
2283 report(" video%d %s ", vidx+1, desc ? desc->name : unkn);
2284 report(" %dx%d %5.2f", vid->width, vid->height, vid->frame_rate);
2285 AVPixelFormat pix_fmt = (AVPixelFormat)st->codecpar->format;
2286 const char *pfn = av_get_pix_fmt_name(pix_fmt);
2287 report(" pix %s\n", pfn ? pfn : unkn);
2288 enum AVColorSpace space = st->codecpar->color_space;
2289 const char *nm = av_color_space_name(space);
2290 report(" color space:%s", nm ? nm : unkn);
2291 enum AVColorRange range = st->codecpar->color_range;
2292 const char *rg = av_color_range_name(range);
2293 report("/ range:%s\n", rg ? rg : unkn);
2294 double secs = to_secs(st->duration, st->time_base);
2295 int64_t length = secs * vid->frame_rate + 0.5;
2296 double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
2297 int64_t nudge = ofs * vid->frame_rate;
2298 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
2299 report(" %jd%c%jd frms %0.2f secs", length,ch,nudge, secs);
2300 int hrs = secs/3600; secs -= hrs*3600;
2301 int mins = secs/60; secs -= mins*60;
2302 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
2304 if( ffaudio.size() > 0 )
2305 report("\n%d audio stream%s\n",ffaudio.size(), ffaudio.size()!=1 ? "s" : "");
2306 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
2307 FFAudioStream *aud = ffaudio[aidx];
2308 AVStream *st = aud->st;
2309 AVCodecID codec_id = st->codecpar->codec_id;
2310 report(_("aud%d (%d), id 0x%06x:\n"), aud->idx, aud->fidx, codec_id);
2311 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
2312 int nch = aud->channels, ch0 = aud->channel0+1;
2313 report(" audio%d-%d %s", ch0, ch0+nch-1, desc ? desc->name : " (unkn)");
2314 AVSampleFormat sample_fmt = (AVSampleFormat)st->codecpar->format;
2315 const char *fmt = av_get_sample_fmt_name(sample_fmt);
2316 report(" %s %d", fmt, aud->sample_rate);
2317 int sample_bits = av_get_bits_per_sample(codec_id);
2318 report(" %dbits\n", sample_bits);
2319 double secs = to_secs(st->duration, st->time_base);
2320 int64_t length = secs * aud->sample_rate + 0.5;
2321 double ofs = to_secs((aud->nudge - st->start_time), st->time_base);
2322 int64_t nudge = ofs * aud->sample_rate;
2323 int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
2324 report(" %jd%c%jd smpl %0.2f secs", length,ch,nudge, secs);
2325 int hrs = secs/3600; secs -= hrs*3600;
2326 int mins = secs/60; secs -= mins*60;
2327 report(" %d:%02d:%05.2f\n", hrs, mins, secs);
2329 if( fmt_ctx->nb_programs > 0 )
2330 report("\n%d program%s\n",fmt_ctx->nb_programs, fmt_ctx->nb_programs!=1 ? "s" : "");
2331 for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
2332 report("program %d", i+1);
2333 AVProgram *pgrm = fmt_ctx->programs[i];
2334 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2335 int idx = pgrm->stream_index[j];
2336 int vidx = ffvideo.size();
2337 while( --vidx>=0 && ffvideo[vidx]->fidx != idx );
2339 report(", vid%d", vidx);
2342 int aidx = ffaudio.size();
2343 while( --aidx>=0 && ffaudio[aidx]->fidx != idx );
2345 report(", aud%d", aidx);
2348 report(", (%d)", pgrm->stream_index[j]);
2353 AVDictionaryEntry *tag = 0;
2354 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
2355 report("%s=%s\n", tag->key, tag->value);
2364 int FFMPEG::init_decoder(const char *filename)
2366 ff_lock("FFMPEG::init_decoder");
2368 char file_opts[BCTEXTLEN];
2369 strcpy(file_opts, filename);
2370 char *bp = strrchr(file_opts, '/');
2371 if( !bp ) bp = file_opts;
2372 char *sp = strrchr(bp, '.');
2373 if( !sp ) sp = bp + strlen(bp);
2375 AVInputFormat *ifmt = 0;
2377 strcpy(sp, ".opts");
2378 fp = fopen(file_opts, "r");
2381 read_options(fp, file_opts, opts);
2383 AVDictionaryEntry *tag;
2384 if( (tag=av_dict_get(opts, "format", NULL, 0)) != 0 ) {
2385 ifmt = av_find_input_format(tag->value);
2389 load_options("decode.opts", opts);
2390 AVDictionary *fopts = 0;
2391 av_dict_copy(&fopts, opts, 0);
2392 int ret = avformat_open_input(&fmt_ctx, filename, ifmt, &fopts);
2393 av_dict_free(&fopts);
2395 ret = avformat_find_stream_info(fmt_ctx, NULL);
2400 return !ret ? 0 : 1;
2403 int FFMPEG::open_decoder()
2406 if( stat(fmt_ctx->url, &st) < 0 ) {
2407 eprintf(_("can't stat file: %s\n"), fmt_ctx->url);
2411 int64_t file_bits = 8 * st.st_size;
2412 if( !fmt_ctx->bit_rate && opt_duration > 0 )
2413 fmt_ctx->bit_rate = file_bits / opt_duration;
2416 if( fmt_ctx->bit_rate > 0 ) {
2417 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
2418 AVStream *st = fmt_ctx->streams[i];
2419 if( st->duration != AV_NOPTS_VALUE ) continue;
2420 if( st->time_base.num > INT64_MAX / fmt_ctx->bit_rate ) continue;
2421 st->duration = av_rescale(file_bits, st->time_base.den,
2422 fmt_ctx->bit_rate * (int64_t) st->time_base.num);
2426 if( estimated && !(fflags & FF_ESTM_TIMES) ) {
2427 fflags |= FF_ESTM_TIMES;
2428 printf("FFMPEG::open_decoder: some stream times estimated: %s\n",
2432 ff_lock("FFMPEG::open_decoder");
2433 int ret = 0, bad_time = 0;
2434 for( int i=0; !ret && i<(int)fmt_ctx->nb_streams; ++i ) {
2435 AVStream *st = fmt_ctx->streams[i];
2436 if( st->duration == AV_NOPTS_VALUE ) bad_time = 1;
2437 AVCodecParameters *avpar = st->codecpar;
2438 const AVCodecDescriptor *codec_desc = avcodec_descriptor_get(avpar->codec_id);
2439 if( !codec_desc ) continue;
2440 switch( avpar->codec_type ) {
2441 case AVMEDIA_TYPE_VIDEO: {
2442 if( avpar->width < 1 ) continue;
2443 if( avpar->height < 1 ) continue;
2444 AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
2445 if( framerate.num < 1 ) continue;
2447 int vidx = ffvideo.size();
2448 FFVideoStream *vid = new FFVideoStream(this, st, vidx, i);
2449 vstrm_index.append(ffidx(vidx, 0));
2450 ffvideo.append(vid);
2451 vid->width = avpar->width;
2452 vid->height = avpar->height;
2453 vid->frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
2454 switch( avpar->color_range ) {
2455 case AVCOL_RANGE_MPEG:
2456 vid->color_range = BC_COLORS_MPEG;
2458 case AVCOL_RANGE_JPEG:
2459 vid->color_range = BC_COLORS_JPEG;
2462 vid->color_range = !file_base ? BC_COLORS_JPEG :
2463 file_base->file->preferences->yuv_color_range;
2466 switch( avpar->color_space ) {
2467 case AVCOL_SPC_BT470BG:
2468 case AVCOL_SPC_SMPTE170M:
2469 vid->color_space = BC_COLORS_BT601;
2471 case AVCOL_SPC_BT709:
2472 vid->color_space = BC_COLORS_BT709;
2474 case AVCOL_SPC_BT2020_NCL:
2475 case AVCOL_SPC_BT2020_CL:
2476 vid->color_space = BC_COLORS_BT2020;
2479 vid->color_space = !file_base ? BC_COLORS_BT601 :
2480 file_base->file->preferences->yuv_color_space;
2483 double secs = to_secs(st->duration, st->time_base);
2484 vid->length = secs * vid->frame_rate;
2485 vid->aspect_ratio = (double)st->sample_aspect_ratio.num / st->sample_aspect_ratio.den;
2486 vid->nudge = st->start_time;
2488 if( opt_video_filter )
2489 ret = vid->create_filter(opt_video_filter, avpar);
2491 case AVMEDIA_TYPE_AUDIO: {
2492 if( avpar->channels < 1 ) continue;
2493 if( avpar->sample_rate < 1 ) continue;
2495 int aidx = ffaudio.size();
2496 FFAudioStream *aud = new FFAudioStream(this, st, aidx, i);
2497 ffaudio.append(aud);
2498 aud->channel0 = astrm_index.size();
2499 aud->channels = avpar->channels;
2500 for( int ch=0; ch<aud->channels; ++ch )
2501 astrm_index.append(ffidx(aidx, ch));
2502 aud->sample_rate = avpar->sample_rate;
2503 double secs = to_secs(st->duration, st->time_base);
2504 aud->length = secs * aud->sample_rate;
2505 aud->init_swr(aud->channels, avpar->format, aud->sample_rate);
2506 aud->nudge = st->start_time;
2508 if( opt_audio_filter )
2509 ret = aud->create_filter(opt_audio_filter, avpar);
2514 if( bad_time && !(fflags & FF_BAD_TIMES) ) {
2515 fflags |= FF_BAD_TIMES;
2516 printf(_("FFMPEG::open_decoder: some stream have bad times: %s\n"),
2520 return ret < 0 ? -1 : 0;
2524 int FFMPEG::init_encoder(const char *filename)
2526 // try access first for named pipes
2527 int ret = access(filename, W_OK);
2529 int fd = ::open(filename,O_WRONLY);
2530 if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
2531 if( fd >= 0 ) { close(fd); ret = 0; }
2534 eprintf(_("bad file path: %s\n"), filename);
2537 ret = get_file_format();
2539 eprintf(_("bad file format: %s\n"), filename);
2543 eprintf(_("mismatch audio/video file format: %s\n"), filename);
2546 ff_lock("FFMPEG::init_encoder");
2548 char format[BCSTRLEN];
2549 if( get_format(format, "format", file_format) )
2550 strcpy(format, file_format);
2551 avformat_alloc_output_context2(&fmt_ctx, 0, format, filename);
2553 eprintf(_("failed: %s\n"), filename);
2558 load_options("encode.opts", opts);
2564 int FFMPEG::open_encoder(const char *type, const char *spec)
2567 Asset *asset = file_base->asset;
2568 char *filename = asset->path;
2569 AVDictionary *sopts = 0;
2570 av_dict_copy(&sopts, opts, 0);
2571 char option_path[BCTEXTLEN];
2572 set_option_path(option_path, "%s/%s.opts", type, type);
2573 read_options(option_path, sopts);
2574 get_option_path(option_path, type, spec);
2575 char format_name[BCSTRLEN], codec_name[BCTEXTLEN], bsfilter[BCTEXTLEN];
2576 if( get_encoder(option_path, format_name, codec_name, bsfilter) ) {
2577 eprintf(_("get_encoder failed %s:%s\n"), option_path, filename);
2582 if( !strcmp(codec_name, CODEC_TAG_DVSD) ) strcpy(codec_name, "dv");
2584 else if( !strcmp(codec_name, CODEC_TAG_MJPEG) ) strcpy(codec_name, "mjpeg");
2585 else if( !strcmp(codec_name, CODEC_TAG_JPEG) ) strcpy(codec_name, "jpeg");
2588 ff_lock("FFMPEG::open_encoder");
2591 AVCodecContext *ctx = 0;
2593 const AVCodecDescriptor *codec_desc = 0;
2594 AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
2596 eprintf(_("cant find codec %s:%s\n"), codec_name, filename);
2600 codec_desc = avcodec_descriptor_get(codec->id);
2602 eprintf(_("unknown codec %s:%s\n"), codec_name, filename);
2607 st = avformat_new_stream(fmt_ctx, 0);
2609 eprintf(_("cant create stream %s:%s\n"), codec_name, filename);
2614 switch( codec_desc->type ) {
2615 case AVMEDIA_TYPE_AUDIO: {
2617 eprintf(_("duplicate audio %s:%s\n"), codec_name, filename);
2621 if( scan_options(asset->ff_audio_options, sopts, st) ) {
2622 eprintf(_("bad audio options %s:%s\n"), codec_name, filename);
2627 ctx = avcodec_alloc_context3(codec);
2628 if( asset->ff_audio_bitrate > 0 ) {
2629 ctx->bit_rate = asset->ff_audio_bitrate;
2631 sprintf(arg, "%d", asset->ff_audio_bitrate);
2632 av_dict_set(&sopts, "b", arg, 0);
2634 else if( asset->ff_audio_quality >= 0 ) {
2635 ctx->global_quality = asset->ff_audio_quality * FF_QP2LAMBDA;
2636 ctx->qmin = ctx->qmax = asset->ff_audio_quality;
2637 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2638 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2639 ctx->flags |= AV_CODEC_FLAG_QSCALE;
2641 av_dict_set(&sopts, "flags", "+qscale", 0);
2642 sprintf(arg, "%d", asset->ff_audio_quality);
2643 av_dict_set(&sopts, "qscale", arg, 0);
2644 sprintf(arg, "%d", ctx->global_quality);
2645 av_dict_set(&sopts, "global_quality", arg, 0);
2647 int aidx = ffaudio.size();
2648 int fidx = aidx + ffvideo.size();
2649 FFAudioStream *aud = new FFAudioStream(this, st, aidx, fidx);
2650 aud->avctx = ctx; ffaudio.append(aud); fst = aud;
2651 aud->sample_rate = asset->sample_rate;
2652 ctx->channels = aud->channels = asset->channels;
2653 for( int ch=0; ch<aud->channels; ++ch )
2654 astrm_index.append(ffidx(aidx, ch));
2655 ctx->channel_layout = av_get_default_channel_layout(ctx->channels);
2656 ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
2657 if( !ctx->sample_rate ) {
2658 eprintf(_("check_sample_rate failed %s\n"), filename);
2662 ctx->time_base = st->time_base = (AVRational){1, aud->sample_rate};
2663 AVSampleFormat sample_fmt = av_get_sample_fmt(asset->ff_sample_format);
2664 if( sample_fmt == AV_SAMPLE_FMT_NONE )
2665 sample_fmt = codec->sample_fmts ? codec->sample_fmts[0] : AV_SAMPLE_FMT_S16;
2666 ctx->sample_fmt = sample_fmt;
2667 uint64_t layout = av_get_default_channel_layout(ctx->channels);
2668 aud->resample_context = swr_alloc_set_opts(NULL,
2669 layout, ctx->sample_fmt, aud->sample_rate,
2670 layout, AV_SAMPLE_FMT_FLT, ctx->sample_rate,
2672 swr_init(aud->resample_context);
2675 case AVMEDIA_TYPE_VIDEO: {
2677 eprintf(_("duplicate video %s:%s\n"), codec_name, filename);
2681 if( scan_options(asset->ff_video_options, sopts, st) ) {
2682 eprintf(_("bad video options %s:%s\n"), codec_name, filename);
2687 ctx = avcodec_alloc_context3(codec);
2688 if( asset->ff_video_bitrate > 0 ) {
2689 ctx->bit_rate = asset->ff_video_bitrate;
2691 sprintf(arg, "%d", asset->ff_video_bitrate);
2692 av_dict_set(&sopts, "b", arg, 0);
2694 else if( asset->ff_video_quality >= 0 ) {
2695 ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
2696 ctx->qmin = ctx->qmax = asset->ff_video_quality;
2697 ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
2698 ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
2699 ctx->flags |= AV_CODEC_FLAG_QSCALE;
2701 av_dict_set(&sopts, "flags", "+qscale", 0);
2702 sprintf(arg, "%d", asset->ff_video_quality);
2703 av_dict_set(&sopts, "qscale", arg, 0);
2704 sprintf(arg, "%d", ctx->global_quality);
2705 av_dict_set(&sopts, "global_quality", arg, 0);
2707 int vidx = ffvideo.size();
2708 int fidx = vidx + ffaudio.size();
2709 FFVideoStream *vid = new FFVideoStream(this, st, vidx, fidx);
2710 vstrm_index.append(ffidx(vidx, 0));
2711 vid->avctx = ctx; ffvideo.append(vid); fst = vid;
2712 vid->width = asset->width;
2713 vid->height = asset->height;
2714 vid->frame_rate = asset->frame_rate;
2715 if( (vid->color_range = asset->ff_color_range) < 0 )
2716 vid->color_range = file_base->file->preferences->yuv_color_range;
2717 switch( vid->color_range ) {
2718 case BC_COLORS_MPEG: ctx->color_range = AVCOL_RANGE_MPEG; break;
2719 case BC_COLORS_JPEG: ctx->color_range = AVCOL_RANGE_JPEG; break;
2721 if( (vid->color_space = asset->ff_color_space) < 0 )
2722 vid->color_space = file_base->file->preferences->yuv_color_space;
2723 switch( vid->color_space ) {
2724 case BC_COLORS_BT601: ctx->colorspace = AVCOL_SPC_SMPTE170M; break;
2725 case BC_COLORS_BT709: ctx->colorspace = AVCOL_SPC_BT709; break;
2726 case BC_COLORS_BT2020: ctx->colorspace = AVCOL_SPC_BT2020_NCL; break;
2728 AVPixelFormat pix_fmt = av_get_pix_fmt(asset->ff_pixel_format);
2729 if( opt_hw_dev != 0 ) {
2730 AVHWDeviceType hw_type = vid->encode_hw_activate(opt_hw_dev);
2732 case AV_HWDEVICE_TYPE_VAAPI:
2733 pix_fmt = AV_PIX_FMT_VAAPI;
2735 case AV_HWDEVICE_TYPE_NONE:
2739 if( pix_fmt == AV_PIX_FMT_NONE )
2740 pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
2741 ctx->pix_fmt = pix_fmt;
2743 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
2744 int mask_w = (1<<desc->log2_chroma_w)-1;
2745 ctx->width = (vid->width+mask_w) & ~mask_w;
2746 int mask_h = (1<<desc->log2_chroma_h)-1;
2747 ctx->height = (vid->height+mask_h) & ~mask_h;
2748 ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset);
2749 AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
2750 if( !frame_rate.num || !frame_rate.den ) {
2751 eprintf(_("check_frame_rate failed %s\n"), filename);
2755 av_reduce(&frame_rate.num, &frame_rate.den,
2756 frame_rate.num, frame_rate.den, INT_MAX);
2757 ctx->framerate = (AVRational) { frame_rate.num, frame_rate.den };
2758 ctx->time_base = (AVRational) { frame_rate.den, frame_rate.num };
2759 st->avg_frame_rate = frame_rate;
2760 st->time_base = ctx->time_base;
2762 vid->interlaced = asset->interlace_mode == ILACE_MODE_TOP_FIRST ||
2763 asset->interlace_mode == ILACE_MODE_BOTTOM_FIRST ? 1 : 0;
2764 vid->top_field_first = asset->interlace_mode == ILACE_MODE_TOP_FIRST ? 1 : 0;
2767 eprintf(_("not audio/video, %s:%s\n"), codec_name, filename);
2772 AVDictionaryEntry *tag;
2773 if( (tag=av_dict_get(sopts, "cin_stats_filename", NULL, 0)) != 0 ) {
2774 char suffix[BCSTRLEN]; sprintf(suffix,"-%d.log",fst->fidx);
2775 fst->stats_filename = cstrcat(2, tag->value, suffix);
2777 if( (tag=av_dict_get(sopts, "flags", NULL, 0)) != 0 ) {
2778 int pass = fst->pass;
2779 char *cp = tag->value;
2781 int ch = *cp++, pfx = ch=='-' ? -1 : ch=='+' ? 1 : 0;
2782 if( !isalnum(!pfx ? ch : (ch=*cp++)) ) continue;
2783 char id[BCSTRLEN], *bp = id, *ep = bp+sizeof(id)-1;
2784 for( *bp++=ch; isalnum(ch=*cp); ++cp )
2785 if( bp < ep ) *bp++ = ch;
2787 if( !strcmp(id, "pass1") ) {
2788 pass = pfx<0 ? (pass&~1) : pfx>0 ? (pass|1) : 1;
2790 else if( !strcmp(id, "pass2") ) {
2791 pass = pfx<0 ? (pass&~2) : pfx>0 ? (pass|2) : 2;
2794 if( (fst->pass=pass) ) {
2795 if( pass & 1 ) ctx->flags |= AV_CODEC_FLAG_PASS1;
2796 if( pass & 2 ) ctx->flags |= AV_CODEC_FLAG_PASS2;
2802 if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
2803 ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
2804 if( fst->stats_filename && (ret=fst->init_stats_file()) )
2805 eprintf(_("error: stats file = %s\n"), fst->stats_filename);
2808 av_dict_set(&sopts, "cin_bitrate", 0, 0);
2809 av_dict_set(&sopts, "cin_quality", 0, 0);
2811 if( !av_dict_get(sopts, "threads", NULL, 0) )
2812 ctx->thread_count = ff_cpus();
2813 ret = avcodec_open2(ctx, codec, &sopts);
2815 ret = avcodec_parameters_from_context(st->codecpar, ctx);
2817 fprintf(stderr, "Could not copy the stream parameters\n");
2820 _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
2821 ret = avcodec_copy_context(st->codec, ctx);
2822 _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
2824 fprintf(stderr, "Could not copy the stream context\n");
2827 ff_err(ret,"FFMPEG::open_encoder");
2828 eprintf(_("open failed %s:%s\n"), codec_name, filename);
2834 if( !ret && fst && bsfilter[0] ) {
2835 ret = av_bsf_list_parse_str(bsfilter, &fst->bsfc);
2837 ff_err(ret,"FFMPEG::open_encoder");
2838 eprintf(_("bitstream filter failed %s:\n%s\n"), filename, bsfilter);
2849 av_dict_free(&sopts);
2853 int FFMPEG::close_encoder()
2856 if( encoding > 0 ) {
2857 av_write_trailer(fmt_ctx);
2858 if( !(fmt_ctx->flags & AVFMT_NOFILE) )
2859 avio_closep(&fmt_ctx->pb);
2865 int FFMPEG::decode_activate()
2867 if( decoding < 0 ) {
2869 for( int vidx=0; vidx<ffvideo.size(); ++vidx )
2870 ffvideo[vidx]->nudge = AV_NOPTS_VALUE;
2871 for( int aidx=0; aidx<ffaudio.size(); ++aidx )
2872 ffaudio[aidx]->nudge = AV_NOPTS_VALUE;
2873 // set nudges for each program stream set
2874 const int64_t min_nudge = INT64_MIN+1;
2875 int npgrms = fmt_ctx->nb_programs;
2876 for( int i=0; i<npgrms; ++i ) {
2877 AVProgram *pgrm = fmt_ctx->programs[i];
2878 // first start time video stream
2879 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2880 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2881 int fidx = pgrm->stream_index[j];
2882 AVStream *st = fmt_ctx->streams[fidx];
2883 AVCodecParameters *avpar = st->codecpar;
2884 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2885 if( st->start_time == AV_NOPTS_VALUE ) continue;
2886 if( vstart_time < st->start_time )
2887 vstart_time = st->start_time;
2890 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2891 if( st->start_time == AV_NOPTS_VALUE ) continue;
2892 if( astart_time < st->start_time )
2893 astart_time = st->start_time;
2897 //since frame rate is much more grainy than sample rate, it is better to
2898 // align using video, so that total absolute error is minimized.
2899 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2900 astart_time > min_nudge ? astart_time : AV_NOPTS_VALUE;
2901 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
2902 int fidx = pgrm->stream_index[j];
2903 AVStream *st = fmt_ctx->streams[fidx];
2904 AVCodecParameters *avpar = st->codecpar;
2905 if( avpar->codec_type == AVMEDIA_TYPE_VIDEO ) {
2906 for( int k=0; k<ffvideo.size(); ++k ) {
2907 if( ffvideo[k]->fidx != fidx ) continue;
2908 ffvideo[k]->nudge = nudge;
2912 if( avpar->codec_type == AVMEDIA_TYPE_AUDIO ) {
2913 for( int k=0; k<ffaudio.size(); ++k ) {
2914 if( ffaudio[k]->fidx != fidx ) continue;
2915 ffaudio[k]->nudge = nudge;
2921 // set nudges for any streams not yet set
2922 int64_t vstart_time = min_nudge, astart_time = min_nudge;
2923 int nstreams = fmt_ctx->nb_streams;
2924 for( int i=0; i<nstreams; ++i ) {
2925 AVStream *st = fmt_ctx->streams[i];
2926 AVCodecParameters *avpar = st->codecpar;
2927 switch( avpar->codec_type ) {
2928 case AVMEDIA_TYPE_VIDEO: {
2929 if( st->start_time == AV_NOPTS_VALUE ) continue;
2930 int vidx = ffvideo.size();
2931 while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
2932 if( vidx < 0 ) continue;
2933 if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
2934 if( vstart_time < st->start_time )
2935 vstart_time = st->start_time;
2937 case AVMEDIA_TYPE_AUDIO: {
2938 if( st->start_time == AV_NOPTS_VALUE ) continue;
2939 int aidx = ffaudio.size();
2940 while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
2941 if( aidx < 0 ) continue;
2942 if( ffaudio[aidx]->frame_sz < avpar->frame_size )
2943 ffaudio[aidx]->frame_sz = avpar->frame_size;
2944 if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
2945 if( astart_time < st->start_time )
2946 astart_time = st->start_time;
2951 int64_t nudge = vstart_time > min_nudge ? vstart_time :
2952 astart_time > min_nudge ? astart_time : 0;
2953 for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
2954 if( ffvideo[vidx]->nudge == AV_NOPTS_VALUE )
2955 ffvideo[vidx]->nudge = nudge;
2957 for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
2958 if( ffaudio[aidx]->nudge == AV_NOPTS_VALUE )
2959 ffaudio[aidx]->nudge = nudge;
2966 int FFMPEG::encode_activate()
2969 if( encoding < 0 ) {
2971 if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
2972 (ret=avio_open(&fmt_ctx->pb, fmt_ctx->url, AVIO_FLAG_WRITE)) < 0 ) {
2973 ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
2977 if( !strcmp(file_format, "image2") ) {
2978 Asset *asset = file_base->asset;
2979 const char *filename = asset->path;
2980 FILE *fp = fopen(filename,"w");
2982 eprintf(_("Cant write image2 header file: %s\n %m"), filename);
2985 fprintf(fp, "IMAGE2\n");
2986 fprintf(fp, "# Frame rate: %f\n", asset->frame_rate);
2987 fprintf(fp, "# Width: %d\n", asset->width);
2988 fprintf(fp, "# Height: %d\n", asset->height);
2992 AVProgram *prog = av_new_program(fmt_ctx, prog_id);
2993 for( int i=0; i< ffvideo.size(); ++i )
2994 av_program_add_stream_index(fmt_ctx, prog_id, ffvideo[i]->fidx);
2995 for( int i=0; i< ffaudio.size(); ++i )
2996 av_program_add_stream_index(fmt_ctx, prog_id, ffaudio[i]->fidx);
2997 int pi = fmt_ctx->nb_programs;
2998 while( --pi >= 0 && fmt_ctx->programs[pi]->id != prog_id );
2999 AVDictionary **meta = &prog->metadata;
3000 av_dict_set(meta, "service_provider", "cin5", 0);
3001 const char *path = fmt_ctx->url, *bp = strrchr(path,'/');
3002 if( bp ) path = bp + 1;
3003 av_dict_set(meta, "title", path, 0);
3005 if( ffaudio.size() ) {
3006 const char *ep = getenv("CIN_AUDIO_LANG"), *lp = 0;
3007 if( !ep && (lp=getenv("LANG")) ) { // some are guesses
3008 static struct { const char lc[3], lng[4]; } lcode[] = {
3009 { "en", "eng" }, { "de", "ger" }, { "es", "spa" },
3010 { "eu", "bas" }, { "fr", "fre" }, { "el", "gre" },
3011 { "hi", "hin" }, { "it", "ita" }, { "ja", "jap" },
3012 { "ko", "kor" }, { "du", "dut" }, { "pl", "pol" },
3013 { "pt", "por" }, { "ru", "rus" }, { "sl", "slv" },
3014 { "uk", "ukr" }, { "vi", "vie" }, { "zh", "chi" },
3016 for( int i=sizeof(lcode)/sizeof(lcode[0]); --i>=0 && !ep; )
3017 if( !strncmp(lcode[i].lc,lp,2) ) ep = lcode[i].lng;
3019 if( !ep ) ep = "und";
3021 strncpy(lang,ep,3); lang[3] = 0;
3022 AVStream *st = ffaudio[0]->st;
3023 av_dict_set(&st->metadata,"language",lang,0);
3026 AVDictionary *fopts = 0;
3027 char option_path[BCTEXTLEN];
3028 set_option_path(option_path, "format/%s", file_format);
3029 read_options(option_path, fopts, 1);
3030 av_dict_copy(&fopts, opts, 0);
3031 if( scan_options(file_base->asset->ff_format_options, fopts, 0) ) {
3032 eprintf(_("bad format options %s\n"), file_base->asset->path);
3036 ret = avformat_write_header(fmt_ctx, &fopts);
3038 ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
3042 av_dict_free(&fopts);
3049 int FFMPEG::audio_seek(int stream, int64_t pos)
3051 int aidx = astrm_index[stream].st_idx;
3052 FFAudioStream *aud = ffaudio[aidx];
3053 aud->audio_seek(pos);
3057 int FFMPEG::video_seek(int stream, int64_t pos)
3059 int vidx = vstrm_index[stream].st_idx;
3060 FFVideoStream *vid = ffvideo[vidx];
3061 vid->video_seek(pos);
3066 int FFMPEG::decode(int chn, int64_t pos, double *samples, int len)
3068 if( !has_audio || chn >= astrm_index.size() ) return -1;
3069 int aidx = astrm_index[chn].st_idx;
3070 FFAudioStream *aud = ffaudio[aidx];
3071 if( aud->load(pos, len) < len ) return -1;
3072 int ch = astrm_index[chn].st_ch;
3073 int ret = aud->read(samples,len,ch);
3077 int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)
3079 if( !has_video || layer >= vstrm_index.size() ) return -1;
3080 int vidx = vstrm_index[layer].st_idx;
3081 FFVideoStream *vid = ffvideo[vidx];
3082 return vid->load(vframe, pos);
3086 int FFMPEG::encode(int stream, double **samples, int len)
3088 FFAudioStream *aud = ffaudio[stream];
3089 return aud->encode(samples, len);
3093 int FFMPEG::encode(int stream, VFrame *frame)
3095 FFVideoStream *vid = ffvideo[stream];
3096 return vid->encode(frame);
3099 void FFMPEG::start_muxer()
3107 void FFMPEG::stop_muxer()
3116 void FFMPEG::flow_off()
3119 flow_lock->lock("FFMPEG::flow_off");
3123 void FFMPEG::flow_on()
3127 flow_lock->unlock();
3130 void FFMPEG::flow_ctl()
3133 flow_lock->lock("FFMPEG::flow_ctl");
3134 flow_lock->unlock();
3138 int FFMPEG::mux_audio(FFrame *frm)
3140 FFStream *fst = frm->fst;
3141 AVCodecContext *ctx = fst->avctx;
3142 AVFrame *frame = *frm;
3143 AVRational tick_rate = {1, ctx->sample_rate};
3144 frame->pts = av_rescale_q(frm->position, tick_rate, ctx->time_base);
3145 int ret = fst->encode_frame(frame);
3147 ff_err(ret, "FFMPEG::mux_audio");
3148 return ret >= 0 ? 0 : 1;
3151 int FFMPEG::mux_video(FFrame *frm)
3153 FFStream *fst = frm->fst;
3154 AVFrame *frame = *frm;
3155 frame->pts = frm->position;
3156 int ret = fst->encode_frame(frame);
3158 ff_err(ret, "FFMPEG::mux_video");
3159 return ret >= 0 ? 0 : 1;
3165 double atm = -1, vtm = -1;
3166 FFrame *afrm = 0, *vfrm = 0;
3168 for( int i=0; i<ffaudio.size(); ++i ) { // earliest audio
3169 FFStream *fst = ffaudio[i];
3170 if( fst->frm_count < 3 ) { demand = 1; flow_on(); }
3171 FFrame *frm = fst->frms.first;
3172 if( !frm ) { if( !done ) return; continue; }
3173 double tm = to_secs(frm->position, fst->avctx->time_base);
3174 if( atm < 0 || tm < atm ) { atm = tm; afrm = frm; }
3176 for( int i=0; i<ffvideo.size(); ++i ) { // earliest video
3177 FFStream *fst = ffvideo[i];
3178 if( fst->frm_count < 2 ) { demand = 1; flow_on(); }
3179 FFrame *frm = fst->frms.first;
3180 if( !frm ) { if( !done ) return; continue; }
3181 double tm = to_secs(frm->position, fst->avctx->time_base);
3182 if( vtm < 0 || tm < vtm ) { vtm = tm; vfrm = frm; }
3184 if( !demand ) flow_off();
3185 if( !afrm && !vfrm ) break;
3186 int v = !afrm ? -1 : !vfrm ? 1 : av_compare_ts(
3187 vfrm->position, vfrm->fst->avctx->time_base,
3188 afrm->position, afrm->fst->avctx->time_base);
3189 FFrame *frm = v <= 0 ? vfrm : afrm;
3190 if( frm == afrm ) mux_audio(frm);
3191 if( frm == vfrm ) mux_video(frm);
3200 mux_lock->lock("FFMPEG::run");
3203 for( int i=0; i<ffaudio.size(); ++i )
3204 ffaudio[i]->drain();
3205 for( int i=0; i<ffvideo.size(); ++i )
3206 ffvideo[i]->drain();
3208 for( int i=0; i<ffaudio.size(); ++i )
3209 ffaudio[i]->flush();
3210 for( int i=0; i<ffvideo.size(); ++i )
3211 ffvideo[i]->flush();
3215 int FFMPEG::ff_total_audio_channels()
3217 return astrm_index.size();
3220 int FFMPEG::ff_total_astreams()
3222 return ffaudio.size();
3225 int FFMPEG::ff_audio_channels(int stream)
3227 return ffaudio[stream]->channels;
3230 int FFMPEG::ff_sample_rate(int stream)
3232 return ffaudio[stream]->sample_rate;
3235 const char* FFMPEG::ff_audio_format(int stream)
3237 AVStream *st = ffaudio[stream]->st;
3238 AVCodecID id = st->codecpar->codec_id;
3239 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
3240 return desc ? desc->name : _("Unknown");
3243 int FFMPEG::ff_audio_pid(int stream)
3245 return ffaudio[stream]->st->id;
3248 int64_t FFMPEG::ff_audio_samples(int stream)
3250 return ffaudio[stream]->length;
3253 // find audio astream/channels with this program,
3254 // or all program audio channels (astream=-1)
3255 int FFMPEG::ff_audio_for_video(int vstream, int astream, int64_t &channel_mask)
3259 int vidx = ffvideo[vstream]->fidx;
3260 // find first program with this video stream
3261 for( int i=0; pidx<0 && i<(int)fmt_ctx->nb_programs; ++i ) {
3262 AVProgram *pgrm = fmt_ctx->programs[i];
3263 for( int j=0; pidx<0 && j<(int)pgrm->nb_stream_indexes; ++j ) {
3264 int st_idx = pgrm->stream_index[j];
3265 AVStream *st = fmt_ctx->streams[st_idx];
3266 if( st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ) continue;
3267 if( st_idx == vidx ) pidx = i;
3270 if( pidx < 0 ) return -1;
3272 int64_t channels = 0;
3273 AVProgram *pgrm = fmt_ctx->programs[pidx];
3274 for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
3275 int aidx = pgrm->stream_index[j];
3276 AVStream *st = fmt_ctx->streams[aidx];
3277 if( st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
3278 if( astream > 0 ) { --astream; continue; }
3280 for( int i=0; astrm<0 && i<ffaudio.size(); ++i )
3281 if( ffaudio[i]->fidx == aidx ) astrm = i;
3283 if( ret < 0 ) ret = astrm;
3284 int64_t mask = (1 << ffaudio[astrm]->channels) - 1;
3285 channels |= mask << ffaudio[astrm]->channel0;
3287 if( !astream ) break;
3289 channel_mask = channels;
3294 int FFMPEG::ff_total_video_layers()
3296 return vstrm_index.size();
3299 int FFMPEG::ff_total_vstreams()
3301 return ffvideo.size();
3304 int FFMPEG::ff_video_width(int stream)
3306 return ffvideo[stream]->width;
3309 int FFMPEG::ff_video_height(int stream)
3311 return ffvideo[stream]->height;
3314 int FFMPEG::ff_set_video_width(int stream, int width)
3316 int w = ffvideo[stream]->width;
3317 ffvideo[stream]->width = width;
3321 int FFMPEG::ff_set_video_height(int stream, int height)
3323 int h = ffvideo[stream]->height;
3324 ffvideo[stream]->height = height;
3328 int FFMPEG::ff_coded_width(int stream)
3330 return ffvideo[stream]->avctx->coded_width;
3333 int FFMPEG::ff_coded_height(int stream)
3335 return ffvideo[stream]->avctx->coded_height;
3338 float FFMPEG::ff_aspect_ratio(int stream)
3340 return ffvideo[stream]->aspect_ratio;
3343 const char* FFMPEG::ff_video_codec(int stream)
3345 AVStream *st = ffvideo[stream]->st;
3346 AVCodecID id = st->codecpar->codec_id;
3347 const AVCodecDescriptor *desc = avcodec_descriptor_get(id);
3348 return desc ? desc->name : _("Unknown");
3351 int FFMPEG::ff_color_range(int stream)
3353 return ffvideo[stream]->color_range;
3356 int FFMPEG::ff_color_space(int stream)
3358 return ffvideo[stream]->color_space;
3361 double FFMPEG::ff_frame_rate(int stream)
3363 return ffvideo[stream]->frame_rate;
3366 int64_t FFMPEG::ff_video_frames(int stream)
3368 return ffvideo[stream]->length;
3371 int FFMPEG::ff_video_pid(int stream)
3373 return ffvideo[stream]->st->id;
3376 int FFMPEG::ff_video_mpeg_color_range(int stream)
3378 return ffvideo[stream]->st->codecpar->color_range == AVCOL_RANGE_MPEG ? 1 : 0;
3381 int FFMPEG::ff_cpus()
3383 return file_base->file->cpus;
3386 const char *FFMPEG::ff_hw_dev()
3388 return &file_base->file->preferences->use_hw_dev[0];
3391 Preferences *FFMPEG::ff_prefs()
3393 return !file_base ? 0 : file_base->file->preferences;
3396 int FFVideoStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
3398 avfilter_register_all();
3399 const char *sp = filter_spec;
3400 char filter_name[BCSTRLEN], *np = filter_name;
3401 int i = sizeof(filter_name);
3402 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
3404 const AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
3405 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_VIDEO ) {
3406 ff_err(AVERROR(EINVAL), "FFVideoStream::create_filter: %s\n", filter_spec);
3409 filter_graph = avfilter_graph_alloc();
3410 const AVFilter *buffersrc = avfilter_get_by_name("buffer");
3411 const AVFilter *buffersink = avfilter_get_by_name("buffersink");
3413 int ret = 0; char args[BCTEXTLEN];
3414 AVPixelFormat pix_fmt = (AVPixelFormat)avpar->format;
3415 snprintf(args, sizeof(args),
3416 "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
3417 avpar->width, avpar->height, (int)pix_fmt,
3418 st->time_base.num, st->time_base.den,
3419 avpar->sample_aspect_ratio.num, avpar->sample_aspect_ratio.den);
3421 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
3422 args, NULL, filter_graph);
3424 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
3425 NULL, NULL, filter_graph);
3427 ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",
3428 (uint8_t*)&pix_fmt, sizeof(pix_fmt),
3429 AV_OPT_SEARCH_CHILDREN);
3431 ff_err(ret, "FFVideoStream::create_filter");
3433 ret = FFStream::create_filter(filter_spec);
3434 return ret >= 0 ? 0 : -1;
3437 int FFAudioStream::create_filter(const char *filter_spec, AVCodecParameters *avpar)
3439 avfilter_register_all();
3440 const char *sp = filter_spec;
3441 char filter_name[BCSTRLEN], *np = filter_name;
3442 int i = sizeof(filter_name);
3443 while( --i>=0 && *sp!=0 && !strchr(" \t:=,",*sp) ) *np++ = *sp++;
3445 const AVFilter *filter = !filter_name[0] ? 0 : avfilter_get_by_name(filter_name);
3446 if( !filter || avfilter_pad_get_type(filter->inputs,0) != AVMEDIA_TYPE_AUDIO ) {
3447 ff_err(AVERROR(EINVAL), "FFAudioStream::create_filter: %s\n", filter_spec);
3450 filter_graph = avfilter_graph_alloc();
3451 const AVFilter *buffersrc = avfilter_get_by_name("abuffer");
3452 const AVFilter *buffersink = avfilter_get_by_name("abuffersink");
3453 int ret = 0; char args[BCTEXTLEN];
3454 AVSampleFormat sample_fmt = (AVSampleFormat)avpar->format;
3455 snprintf(args, sizeof(args),
3456 "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%jx",
3457 st->time_base.num, st->time_base.den, avpar->sample_rate,
3458 av_get_sample_fmt_name(sample_fmt), avpar->channel_layout);
3460 ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
3461 args, NULL, filter_graph);
3463 ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
3464 NULL, NULL, filter_graph);
3466 ret = av_opt_set_bin(buffersink_ctx, "sample_fmts",
3467 (uint8_t*)&sample_fmt, sizeof(sample_fmt),
3468 AV_OPT_SEARCH_CHILDREN);
3470 ret = av_opt_set_bin(buffersink_ctx, "channel_layouts",
3471 (uint8_t*)&avpar->channel_layout,
3472 sizeof(avpar->channel_layout), AV_OPT_SEARCH_CHILDREN);
3474 ret = av_opt_set_bin(buffersink_ctx, "sample_rates",
3475 (uint8_t*)&sample_rate, sizeof(sample_rate),
3476 AV_OPT_SEARCH_CHILDREN);
3478 ff_err(ret, "FFAudioStream::create_filter");
3480 ret = FFStream::create_filter(filter_spec);
3481 return ret >= 0 ? 0 : -1;
3484 int FFStream::create_filter(const char *filter_spec)
3486 /* Endpoints for the filter graph. */
3487 AVFilterInOut *outputs = avfilter_inout_alloc();
3488 outputs->name = av_strdup("in");
3489 outputs->filter_ctx = buffersrc_ctx;
3490 outputs->pad_idx = 0;
3493 AVFilterInOut *inputs = avfilter_inout_alloc();
3494 inputs->name = av_strdup("out");
3495 inputs->filter_ctx = buffersink_ctx;
3496 inputs->pad_idx = 0;
3499 int ret = !outputs->name || !inputs->name ? -1 : 0;
3501 ret = avfilter_graph_parse_ptr(filter_graph, filter_spec,
3502 &inputs, &outputs, NULL);
3504 ret = avfilter_graph_config(filter_graph, NULL);
3507 ff_err(ret, "FFStream::create_filter");
3508 avfilter_graph_free(&filter_graph);
3511 avfilter_inout_free(&inputs);
3512 avfilter_inout_free(&outputs);
3516 int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
3519 av_init_packet(&pkt);
3520 AVFrame *frame = av_frame_alloc();
3522 fprintf(stderr,"FFMPEG::scan: ");
3523 fprintf(stderr,_("av_frame_alloc failed\n"));
3524 fprintf(stderr,"FFMPEG::scan:file=%s\n", file_base->asset->path);
3528 index_state->add_video_markers(ffvideo.size());
3529 index_state->add_audio_markers(ffaudio.size());
3531 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
3533 AVDictionary *copts = 0;
3534 av_dict_copy(&copts, opts, 0);
3535 AVStream *st = fmt_ctx->streams[i];
3536 AVCodecID codec_id = st->codecpar->codec_id;
3537 AVCodec *decoder = avcodec_find_decoder(codec_id);
3538 AVCodecContext *avctx = avcodec_alloc_context3(decoder);
3540 eprintf(_("cant allocate codec context\n"));
3541 ret = AVERROR(ENOMEM);
3544 avcodec_parameters_to_context(avctx, st->codecpar);
3545 if( !av_dict_get(copts, "threads", NULL, 0) )
3546 avctx->thread_count = ff_cpus();
3547 ret = avcodec_open2(avctx, decoder, &copts);
3549 av_dict_free(&copts);
3551 AVCodecParameters *avpar = st->codecpar;
3552 switch( avpar->codec_type ) {
3553 case AVMEDIA_TYPE_VIDEO: {
3554 int vidx = ffvideo.size();
3555 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3556 if( vidx < 0 ) break;
3557 ffvideo[vidx]->avctx = avctx;
3559 case AVMEDIA_TYPE_AUDIO: {
3560 int aidx = ffaudio.size();
3561 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3562 if( aidx < 0 ) break;
3563 ffaudio[aidx]->avctx = avctx;
3568 fprintf(stderr,"FFMPEG::scan: ");
3569 fprintf(stderr,_("codec open failed\n"));
3570 fprintf(stderr,"FFMPEG::scan:file=%s\n", file_base->asset->path);
3571 avcodec_free_context(&avctx);
3575 for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
3576 AVStream *st = fmt_ctx->streams[i];
3577 AVCodecParameters *avpar = st->codecpar;
3578 if( avpar->codec_type != AVMEDIA_TYPE_AUDIO ) continue;
3579 int64_t tstmp = st->start_time;
3580 if( tstmp == AV_NOPTS_VALUE ) continue;
3581 int aidx = ffaudio.size();
3582 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3583 if( aidx < 0 ) continue;
3584 FFAudioStream *aud = ffaudio[aidx];
3585 tstmp -= aud->nudge;
3586 double secs = to_secs(tstmp, st->time_base);
3587 aud->curr_pos = secs * aud->sample_rate + 0.5;
3591 for( int64_t count=0; !*canceled; ++count ) {
3592 av_packet_unref(&pkt);
3593 pkt.data = 0; pkt.size = 0;
3595 int ret = av_read_frame(fmt_ctx, &pkt);
3597 if( ret == AVERROR_EOF ) break;
3598 if( ++errs > 100 ) {
3599 ff_err(ret,_("over 100 read_frame errs\n"));
3604 if( !pkt.data ) continue;
3605 int i = pkt.stream_index;
3606 if( i < 0 || i >= (int)fmt_ctx->nb_streams ) continue;
3607 AVStream *st = fmt_ctx->streams[i];
3608 if( pkt.pos > *scan_position ) *scan_position = pkt.pos;
3610 AVCodecParameters *avpar = st->codecpar;
3611 switch( avpar->codec_type ) {
3612 case AVMEDIA_TYPE_VIDEO: {
3613 int vidx = ffvideo.size();
3614 while( --vidx>=0 && ffvideo[vidx]->fidx != i );
3615 if( vidx < 0 ) break;
3616 FFVideoStream *vid = ffvideo[vidx];
3617 if( !vid->avctx ) break;
3618 int64_t tstmp = pkt.dts;
3619 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
3620 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3621 if( vid->nudge != AV_NOPTS_VALUE ) tstmp -= vid->nudge;
3622 double secs = to_secs(tstmp, st->time_base);
3623 int64_t frm = secs * vid->frame_rate + 0.5;
3624 if( frm < 0 ) frm = 0;
3625 index_state->put_video_mark(vidx, frm, pkt.pos);
3628 ret = avcodec_send_packet(vid->avctx, pkt);
3629 if( ret < 0 ) break;
3630 while( (ret=vid->decode_frame(frame)) > 0 ) {}
3633 case AVMEDIA_TYPE_AUDIO: {
3634 int aidx = ffaudio.size();
3635 while( --aidx>=0 && ffaudio[aidx]->fidx != i );
3636 if( aidx < 0 ) break;
3637 FFAudioStream *aud = ffaudio[aidx];
3638 if( !aud->avctx ) break;
3639 int64_t tstmp = pkt.pts;
3640 if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
3641 if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
3642 if( aud->nudge != AV_NOPTS_VALUE ) tstmp -= aud->nudge;
3643 double secs = to_secs(tstmp, st->time_base);
3644 int64_t sample = secs * aud->sample_rate + 0.5;
3646 index_state->put_audio_mark(aidx, sample, pkt.pos);
3648 ret = avcodec_send_packet(aud->avctx, &pkt);
3649 if( ret < 0 ) break;
3650 int ch = aud->channel0, nch = aud->channels;
3651 int64_t pos = index_state->pos(ch);
3652 if( pos != aud->curr_pos ) {
3653 if( abs(pos-aud->curr_pos) > 1 )
3654 printf("audio%d pad %jd %jd (%jd)\n", aud->idx, pos, aud->curr_pos, pos-aud->curr_pos);
3655 index_state->pad_data(ch, nch, aud->curr_pos);
3657 while( (ret=aud->decode_frame(frame)) > 0 ) {
3658 //if( frame->channels != nch ) break;
3659 aud->init_swr(frame->channels, frame->format, frame->sample_rate);
3661 int len = aud->get_samples(samples,
3662 &frame->extended_data[0], frame->nb_samples);
3663 pos = aud->curr_pos;
3664 if( (aud->curr_pos += len) >= 0 ) {
3666 samples += -pos * nch;
3667 len = aud->curr_pos;
3669 for( int i=0; i<nch; ++i )
3670 index_state->put_data(ch+i,nch,samples+i,len);
3677 av_frame_free(&frame);
3681 void FFStream::load_markers(IndexMarks &marks, double rate)
3684 int64_t sz = marks.size();
3685 int max_entries = fmt_ctx->max_index_size / sizeof(AVIndexEntry) - 1;
3686 int nb_ent = st->nb_index_entries;
3687 // some formats already have an index
3689 AVIndexEntry *ep = &st->index_entries[nb_ent-1];
3690 int64_t tstmp = ep->timestamp;
3691 if( nudge != AV_NOPTS_VALUE ) tstmp -= nudge;
3692 double secs = ffmpeg->to_secs(tstmp, st->time_base);
3693 int64_t no = secs * rate;
3694 while( in < sz && marks[in].no <= no ) ++in;
3696 int64_t len = sz - in;
3697 int64_t count = max_entries - nb_ent;
3698 if( count > len ) count = len;
3699 for( int i=0; i<count; ++i ) {
3700 int k = in + i * len / count;
3701 int64_t no = marks[k].no, pos = marks[k].pos;
3702 double secs = (double)no / rate;
3703 int64_t tstmp = secs * st->time_base.den / st->time_base.num;
3704 if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
3705 av_add_index_entry(st, pos, tstmp, 0, 0, AVINDEX_KEYFRAME);