diff options
Diffstat (limited to 'libavformat/matroskaenc.c')
| -rw-r--r-- | libavformat/matroskaenc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index f2b9ee91af..0a3775daea 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -676,7 +676,8 @@ static int mkv_write_tracks(AVFormatContext *s) switch (codec->codec_type) { case AVMEDIA_TYPE_VIDEO: put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO); - put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, av_q2d(codec->time_base)*1E9); + if (st->avg_frame_rate.num > 0 && st->avg_frame_rate.den > 0) + put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, 1E9 / av_q2d(st->avg_frame_rate)); if (!native_id && ff_codec_get_tag(ff_codec_movvideo_tags, codec->codec_id) && |