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-rw-r--r--libavcodec/wnv1.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/wnv1.c b/libavcodec/wnv1.c
index 0cf2181a48..6251c00187 100644
--- a/libavcodec/wnv1.c
+++ b/libavcodec/wnv1.c
@@ -125,6 +125,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
{
static AVOnce init_static_once = AV_ONCE_INIT;
+ if (avctx->width <= 1)
+ return AVERROR_INVALIDDATA;
+
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
ff_thread_once(&init_static_once, wnv1_init_static);