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 223d213c406da41bbe0f5f94cac44b0e2684304d..db438bdd0a9542935ee909c8978c5b543353aee7 100644 (file)
--- a/src/lib/audio/audioCorrelationInfo.cpp
+++ b/src/lib/audio/audioCorrelationInfo.cpp
@@ -11,6 +11,7 @@
 #include "audioCorrelationInfo.h"
 #include <iostream>
 
+
 AudioCorrelationInfo::AudioCorrelationInfo(int mainSize, int subSize) :
     m_mainSize(mainSize),
     m_subSize(subSize),
@@ -79,6 +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++) {