X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fscopes%2Fcolorscopes%2Fabstractgfxscopewidget.cpp;h=39343490951b048891f8868a598a681509d2c969;hb=4329ed5f483544c2da48d8a5ba04e39a6a47376c;hp=430b33190524f4507ba120523c55f2dface65162;hpb=12bd13b246f3cf974339c619c62104ca10af3170;p=kdenlive

diff --git a/src/scopes/colorscopes/abstractgfxscopewidget.cpp b/src/scopes/colorscopes/abstractgfxscopewidget.cpp
index 430b3319..39343490 100644
--- a/src/scopes/colorscopes/abstractgfxscopewidget.cpp
+++ b/src/scopes/colorscopes/abstractgfxscopewidget.cpp
@@ -37,6 +37,7 @@ AbstractGfxScopeWidget::~AbstractGfxScopeWidget() { }
 
 QImage AbstractGfxScopeWidget::renderScope(uint accelerationFactor)
 {
+    QMutexLocker lock(&m_mutex);
     return renderGfxScope(accelerationFactor, m_scopeImage);
 }
 
@@ -50,8 +51,9 @@ void AbstractGfxScopeWidget::mouseReleaseEvent(QMouseEvent *event)
 ///// Slots /////
 
 
-void AbstractGfxScopeWidget::slotRenderZoneUpdated(QImage frame)
+void AbstractGfxScopeWidget::slotRenderZoneUpdated(const QImage frame)
 {
+    QMutexLocker lock(&m_mutex);
     m_scopeImage = frame;
     AbstractScopeWidget::slotRenderZoneUpdated();
 }