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-rw-r--r--libavcodec/msmpeg4.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c
index 7988e1f36b..39305f74a6 100644
--- a/libavcodec/msmpeg4.c
+++ b/libavcodec/msmpeg4.c
@@ -593,6 +593,11 @@ av_cold int ff_msmpeg4_decode_init(AVCodecContext *avctx)
int i;
MVTable *mv;
+ if(avctx->width<=0 || avctx->height<=0) {
+ av_log(avctx, AV_LOG_ERROR, "invalid dimensions\n");
+ return -1;
+ }
+
if (ff_h263_decode_init(avctx) < 0)
return -1;