From 053144008e4aff48678823eefbfa4d6dec21a3cc Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Tue, 16 Feb 2021 19:49:16 +0100 Subject: [PATCH] avformat/matroskaenc: Add support for FlagTextDescriptions This is the Matroska equivalent of D_WEBVTT_DESCRIPTIONS and is therefore only enabled for subtitles. Reviewed-by: Ridley Combs Signed-off-by: Andreas Rheinhardt --- libavformat/matroskaenc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index e5efba5408..2bfdb67308 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -1359,6 +1359,8 @@ 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;