diff options
| -rw-r--r-- | libavformat/matroskaenc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 59016cab9f..368c351564 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -560,6 +560,7 @@ static int mkv_write_tracks(AVFormatContext *s) else put_ebml_string(pb, MATROSKA_ID_TRACKLANGUAGE, "und"); + if (st->disposition) put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGDEFAULT, !!(st->disposition & AV_DISPOSITION_DEFAULT)); // look for a codec ID string specific to mkv to use, |