Recalculate: fix division by zero

Introduced in 7261a61 ("Allow YUV422P8 input").
dubhater · Oct 9, 2014 · 9b4559a · 9b4559a
1 parent 2946252
commit 9b4559a
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/src/MVRecalculate.cpp b/src/MVRecalculate.cpp
@@ -354,12 +354,6 @@ static void VS_CC mvrecalculateCreate(const VSMap *in, VSMap *out, void *userDat
     }
 
 
-   if (d.chroma) // normalize threshold to block size
-      d.thSAD = d.thSAD * (d.analysisData.nBlkSizeX * d.analysisData.nBlkSizeY) / (8 * 8) * (1 + d.analysisData.yRatioUV) / d.analysisData.yRatioUV;
-   else
-      d.thSAD = d.thSAD * (d.analysisData.nBlkSizeX * d.analysisData.nBlkSizeY) / (8 * 8);
-
-
     if (d.overlap < 0 || d.overlap >= d.blksize ||
         d.overlapv < 0 || d.overlapv >= d.blksizev) {
         vsapi->setError(out, "Recalculate: overlap must be less than blksize, and overlapv must be less than blksizev.");
@@ -464,6 +458,12 @@ static void VS_CC mvrecalculateCreate(const VSMap *in, VSMap *out, void *userDat
     vsapi->freeFrame(evil);
 
 
+   if (d.chroma) // normalize threshold to block size
+      d.thSAD = d.thSAD * (d.analysisData.nBlkSizeX * d.analysisData.nBlkSizeY) / (8 * 8) * (1 + d.analysisData.yRatioUV) / d.analysisData.yRatioUV;
+   else
+      d.thSAD = d.thSAD * (d.analysisData.nBlkSizeX * d.analysisData.nBlkSizeY) / (8 * 8);
+
+
     d.analysisData.nFlags = 0;
     d.analysisData.nFlags |= d.isse ? MOTION_USE_ISSE : 0;
     d.analysisData.nFlags |= d.analysisData.isBackward ? MOTION_IS_BACKWARD : 0;