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-rw-r--r--libavcodec/dirac_dwt.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/dirac_dwt.h b/libavcodec/dirac_dwt.h
index 35ed8857e9..f9a9e9e1b3 100644
--- a/libavcodec/dirac_dwt.h
+++ b/libavcodec/dirac_dwt.h
@@ -102,7 +102,7 @@ void ff_spatial_idwt_slice2(DWTContext *d, int y);
(b2 + ((int)(-b0 + 9U*b1 + 9U*b3 - b4 + 8) >> 4))
#define COMPOSE_DD137iL0(b0, b1, b2, b3, b4)\
- (b2 - ((-b0 + 9*b1 + 9*b3 - b4 + 16) >> 5))
+ (b2 - ((int)(-b0 + 9U*b1 + 9U*b3 - b4 + 16) >> 5))
#define COMPOSE_HAARiL0(b0, b1)\
(b0 - ((b1 + 1) >> 1))