diff options
| -rw-r--r-- | libavformat/mvdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c index 03471f1556..103a40af6d 100644 --- a/libavformat/mvdec.c +++ b/libavformat/mvdec.c @@ -158,6 +158,8 @@ static int parse_video_var(AVFormatContext *avctx, AVStream *st, const char *nam st->nb_frames = st->duration = var_read_int(pb, size); } else if (!strcmp(name, "COMPRESSION")) { char * str = var_read_string(pb, size); + if (!str) + return AVERROR_INVALIDDATA; if (!strcmp(str, "1")) { st->codec->codec_id = AV_CODEC_ID_MVC1; } else if (!strcmp(str, "2")) { |