ffmpeg | branch: master | Andreas Rheinhardt <[email protected]> | 
Tue Feb 16 18:32:23 2021 +0100| [8949be0086643644f32859940e0a8eb37d56eac6] | 
committer: Andreas Rheinhardt

avformat/matroskaenc: Add support for FlagCommentary

Reviewed-by: Ridley Combs <[email protected]>
Signed-off-by: Andreas Rheinhardt <[email protected]>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8949be0086643644f32859940e0a8eb37d56eac6
---

 libavformat/matroskaenc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 6c8c7130c0..c77f0a332b 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) {

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