avfilter:audio: fix shadowed AVFrame *out

[ffmpeg] / libavfilter / vf_hqx.c

diff --git a/libavfilter/vf_hqx.c b/libavfilter/vf_hqx.c
index fa15d9c5c838c89921575073a1d62e95577d7199..d1e360f95a1c9f619e6915860654c204900cca35 100644 (file)
--- a/libavfilter/vf_hqx.c
+++ b/libavfilter/vf_hqx.c
@@ -65,9 +65,11 @@ static av_always_inline int yuv_diff(uint32_t yuv1, uint32_t yuv2)
 #define YMASK 0xff0000
 #define UMASK 0x00ff00
 #define VMASK 0x0000ff
-    return abs((yuv1 & YMASK) - (yuv2 & YMASK)) > (48 << 16) ||
-           abs((yuv1 & UMASK) - (yuv2 & UMASK)) > ( 7 <<  8) ||
-           abs((yuv1 & VMASK) - (yuv2 & VMASK)) > ( 6 <<  0);
+#define ABSDIFF(a,b) (abs((int)(a)-(int)(b)))
+
+    return ABSDIFF(yuv1 & YMASK, yuv2 & YMASK) > (48 << 16) ||
+           ABSDIFF(yuv1 & UMASK, yuv2 & UMASK) > ( 7 <<  8) ||
+           ABSDIFF(yuv1 & VMASK, yuv2 & VMASK) > ( 6 <<  0);
 }
 
 /* (c1*w1 + c2*w2) >> s */