diff options
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/matroskaenc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 4aa4cafd4c..1bbabc9ff4 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"); |