diff --git a/libavformat/matroska.c b/libavformat/matroska.c index ee4239234403c313b817b508b676ba4f88e832fd..1cca2929b4a76bc092d69844dced180323522747 100644 --- a/libavformat/matroska.c +++ b/libavformat/matroska.c @@ -2209,6 +2209,10 @@ matroska_read_header (AVFormatContext *s, st->codec->codec_id = codec_id; + if (track->default_duration) + av_reduce(&st->codec->time_base.num, &st->codec->time_base.den, + track->default_duration, 1000000000, 30000); + if(extradata){ st->codec->extradata = extradata; st->codec->extradata_size = extradata_size;