Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
libavformat/matroskaenc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 786fa41cba..746c0b347a 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1191,6 +1191,8 @@ static int mkv_write_track(AVFormatContext *s,
MatroskaMuxContext *mkv,
put_ebml_string(pb, MATROSKA_ID_CODECID, codec_id);
} else {
+ if (st->disposition & AV_DISPOSITION_COMMENT)
+ put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGCOMMENTARY, 1);
// look for a codec ID string specific to mkv to use,
// if none are found, use AVI codes
if (par->codec_id != AV_CODEC_ID_RAWVIDEO || par->codec_tag) {
--
2.27.0
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