diff --git a/cuburn/code/color.py b/cuburn/code/color.py
index 046bc84..0934c6d 100644
--- a/cuburn/code/color.py
+++ b/cuburn/code/color.py
@@ -28,6 +28,17 @@ __device__ float3 yuv2rgb(float3 yuv) {
         yuv.x - 0.34414f * yuv.y - 0.71414f * yuv.z,
         yuv.x + 1.772f   * yuv.y);
 }
+
+// As used in the various cliplibs.
+__device__ void yuvo2rgb(float4& pix) {
+    pix.y -= 0.5f * pix.w;
+    pix.z -= 0.5f * pix.w;
+    float3 tmp = yuv2rgb(make_float3(pix.x, pix.y, pix.z));
+    pix.x = fmaxf(0.0f, tmp.x);
+    pix.y = fmaxf(0.0f, tmp.y);
+    pix.z = fmaxf(0.0f, tmp.z);
+}
+
 ''')
 
 hsvlib = devlib(decls='''
diff --git a/cuburn/code/filters.py b/cuburn/code/filters.py
index 4de14e2..16d4733 100644
--- a/cuburn/code/filters.py
+++ b/cuburn/code/filters.py
@@ -241,17 +241,9 @@ haloclip(float4 *pixbuf, const float *denbuf, float gamma) {
 
     float ls = powf(pix.z, gamma) / fmaxf(1.0f, areaval);
 
-    pix.x *= ls;
-    pix.y *= ls;
-    pix.z *= ls;
-    pix.w *= ls;
+    scale_float4(pix, ls);
 
-    pix.y -= 0.5f * pix.w;
-    pix.z -= 0.5f * pix.w;
-    float3 tmp = yuv2rgb(make_float3(pix.x, pix.y, pix.z));
-    pix.x = fmaxf(0.0f, tmp.x);
-    pix.y = fmaxf(0.0f, tmp.y);
-    pix.z = fmaxf(0.0f, tmp.z);
+    yuvo2rgb(pix);
 
     pixbuf[i] = pix;
 }
@@ -269,17 +261,7 @@ colorclip(float4 *pixbuf, float gamma, float vibrance, float highpow,
         pixbuf[i] = make_float4(0, 0, 0, 0);
         return;
     }
-    pix.y -= 0.5f * pix.w;
-    pix.z -= 0.5f * pix.w;
-    float3 tmp = yuv2rgb(make_float3(pix.x, pix.y, pix.z));
-    pix.x = tmp.x;
-    pix.y = tmp.y;
-    pix.z = tmp.z;
-
-    pix.x = fmaxf(0.0f, pix.x);
-    pix.y = fmaxf(0.0f, pix.y);
-    pix.z = fmaxf(0.0f, pix.z);
-
+    yuvo2rgb(pix);
     float4 opix = pix;
 
     float alpha = powf(pix.w, gamma);
diff --git a/cuburn/code/util.py b/cuburn/code/util.py
index 30bbd29..7b22502 100644
--- a/cuburn/code/util.py
+++ b/cuburn/code/util.py
@@ -181,6 +181,13 @@ __device__ uint32_t trunca(float f) {
     asm("cvt.rni.s32.f32    %0,     %1;" : "=r"(ret) : "f"(f));
     return ret;
 }
+
+__device__ void scale_float4(float4& pix, float scale) {
+    pix.x *= scale;
+    pix.y *= scale;
+    pix.z *= scale;
+    pix.w *= scale;
+}
 ''')
 
 def mkbinsearchlib(rounds):