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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-06-06 04:23:16 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-06-06 05:01:34 +0200 |
| commit | b5bc436ebc57ec60d87f86008a1888fbfb4099bc (patch) | |
| tree | fbf0860370cb79f9ea43bf5eba56263f47e484b0 /libavformat/matroskadec.c | |
| parent | bacc4b6e8173fa944c24f297435dc507a60efb10 (diff) | |
| download | ffmpeg-b5bc436ebc57ec60d87f86008a1888fbfb4099bc.tar.gz | |
avformat/matroskadec: Fix rounding error with codec_delay
Fixes Ticket5509
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/matroskadec.c')
| -rw-r--r-- | libavformat/matroskadec.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 1ef2001465..3270009409 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -219,6 +219,7 @@ typedef struct MatroskaTrack { MatroskaTrackOperation operation; EbmlList encodings; uint64_t codec_delay; + uint64_t codec_delay_in_track_tb; AVStream *stream; int64_t end_timecode; @@ -2239,7 +2240,7 @@ static int matroska_parse_tracks(AVFormatContext *s) 1000 * 1000 * 1000); /* 64 bit pts in ns */ /* convert the delay from ns to the track timebase */ - track->codec_delay = av_rescale_q(track->codec_delay, + track->codec_delay_in_track_tb = av_rescale_q(track->codec_delay, (AVRational){ 1, 1000000000 }, st->time_base); @@ -2351,7 +2352,7 @@ static int matroska_parse_tracks(AVFormatContext *s) st->need_parsing = AVSTREAM_PARSE_HEADERS; if (track->codec_delay > 0) { st->codecpar->initial_padding = av_rescale_q(track->codec_delay, - st->time_base, + (AVRational){1, 1000000000}, (AVRational){1, st->codecpar->sample_rate}); } if (track->seek_preroll > 0) { @@ -3132,7 +3133,7 @@ static int matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, if (cluster_time != (uint64_t) -1 && (block_time >= 0 || cluster_time >= -block_time)) { - timecode = cluster_time + block_time - track->codec_delay; + timecode = cluster_time + block_time - track->codec_delay_in_track_tb; if (track->type == MATROSKA_TRACK_TYPE_SUBTITLE && timecode < track->end_timecode) is_keyframe = 0; /* overlapping subtitles are not key frame */ |