diff options
Diffstat (limited to 'libavformat/matroskaenc.c')
| -rw-r--r-- | libavformat/matroskaenc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 610787d91e..825e92c82d 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -587,7 +587,9 @@ static int mkv_write_tracks(AVFormatContext *s) tag = av_dict_get(st->metadata, "language", NULL, 0); put_ebml_string(pb, MATROSKA_ID_TRACKLANGUAGE, tag ? tag->value:"und"); - if (st->disposition) + // The default value for TRACKFLAGDEFAULT is 1, so add element + // if we need to clear it. + if (!(st->disposition & AV_DISPOSITION_DEFAULT)) put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGDEFAULT, !!(st->disposition & AV_DISPOSITION_DEFAULT)); // look for a codec ID string specific to mkv to use, |