diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/wcmv.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/wcmv.c b/libavcodec/wcmv.c index f03761b343..2988c15b23 100644 --- a/libavcodec/wcmv.c +++ b/libavcodec/wcmv.c @@ -56,11 +56,13 @@ static int decode_frame(AVCodecContext *avctx, } bytestream2_init(&gb, avpkt->data, avpkt->size); + blocks = bytestream2_get_le16(&gb); + if (!blocks) + return avpkt->size; if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) return ret; - blocks = bytestream2_get_le16(&gb); if (blocks > 5) { GetByteContext bgb; int x = 0, size; |