This is the Matroska equivalent of D_WEBVTT_DESCRIPTIONS and is
therefore only enabled for subtitles.
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 86ffb51051..4242d7daef 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1364,6 +1364,8 @@ static int mkv_write_track(AVFormatContext *s,
MatroskaMuxContext *mkv,
av_log(s, AV_LOG_ERROR, "Subtitle codec %d is not supported.\n",
par->codec_id);
return AVERROR(ENOSYS);
}
+ if (mkv->mode != MODE_WEBM && st->disposition &
AV_DISPOSITION_DESCRIPTIONS)
+ put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGTEXTDESCRIPTIONS, 1);
if (mkv->mode != MODE_WEBM || par->codec_id != AV_CODEC_ID_WEBVTT)
native_id = MATROSKA_TRACK_TYPE_SUBTITLE;
--
2.27.0
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