Mercurial > hg > easaier-soundaccess

diff layer/TimeInstantLayer.cpp @ 34:aa81e87c8089

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Protect empty list access for nextPoints
author lbajardsilogic
date Tue, 15 May 2007 07:57:37 +0000
parents d8e6709e9075
children
line wrap: on
line diff
--- a/layer/TimeInstantLayer.cpp	Tue May 15 07:35:43 2007 +0000
+++ b/layer/TimeInstantLayer.cpp	Tue May 15 07:57:37 2007 +0000
@@ -209,15 +209,18 @@
 
     SparseOneDimensionalModel::PointList usePoints = prevPoints;
 
-    if (prevPoints.empty()) {
-	usePoints = nextPoints;
-    } else if (long(prevPoints.begin()->frame) < v->getStartFrame() &&
-	       !(nextPoints.begin()->frame > v->getEndFrame())) {
-	usePoints = nextPoints;
-    } else if (nextPoints.begin()->frame - frame <
-	       frame - prevPoints.begin()->frame) {
-	usePoints = nextPoints;
-    }
+	if (! nextPoints.empty()) 
+	{
+		if (prevPoints.empty()) {
+		usePoints = nextPoints;
+		} else if (long(prevPoints.begin()->frame) < v->getStartFrame() &&
+			   !(nextPoints.begin()->frame > v->getEndFrame())) {
+		usePoints = nextPoints;
+		} else if (nextPoints.begin()->frame - frame <
+			   frame - prevPoints.begin()->frame) {
+		usePoints = nextPoints;
+		}
+	}
 
     if (!usePoints.empty()) {
 	int fuzz = 2;