From: Aurelien Jacobs <[email protected]>
Signed-off-by: Aurelien Jacobs <[email protected]>
Signed-off-by: Anton Khirnov <[email protected]>
---
libavformat/matroskaenc.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 4aa4caf..1bbabc9 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -614,6 +614,10 @@ static int mkv_write_tracks(AVFormatContext *s)
case AVMEDIA_TYPE_SUBTITLE:
put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE,
MATROSKA_TRACK_TYPE_SUBTITLE);
+ if (!native_id) {
+ av_log(s, AV_LOG_ERROR, "Subtitle codec %d is not
supported.\n", codec->codec_id);
+ return AVERROR(ENOSYS);
+ }
break;
default:
av_log(s, AV_LOG_ERROR, "Only audio, video, and subtitles are
supported for Matroska.\n");
--
1.7.5.1
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