audioCorrelationInfo.cpp: check for division by zero

[kdenlive] / src / lib / audio / audioCorrelationInfo.cpp

diff --git a/src/lib/audio/audioCorrelationInfo.cpp b/src/lib/audio/audioCorrelationInfo.cpp
index ea9e90c2954871ae830237864aeb0ffd663d5a89..db438bdd0a9542935ee909c8978c5b543353aee7 100644 (file)
--- a/src/lib/audio/audioCorrelationInfo.cpp
+++ b/src/lib/audio/audioCorrelationInfo.cpp
@@ -80,6 +80,9 @@ QImage AudioCorrelationInfo::toImage(int height) const
     QImage img(width, height, QImage::Format_ARGB32);
     img.fill(qRgb(255,255,255));
 
+    if (maxVal == 0)
+       return img;
+
     int val;
 
     for (int x = 0; x < width; x++) {