Introduce video thumbnail for each frame when zooming at max level (causes slowdown...

[kdenlive] / src / customtrackview.cpp

diff --git a/src/customtrackview.cpp b/src/customtrackview.cpp
index 1b924a12840581e852d666ddd7f35000b2769ae0..30a681c6202bfcc6bb7d1d64b9de44ab8db3270f 100644 (file)
--- a/src/customtrackview.cpp
+++ b/src/customtrackview.cpp
@@ -130,7 +130,9 @@ CustomTrackView::CustomTrackView(KdenliveDoc *doc, CustomTrackScene* projectscen
     setLineWidth(0);
     //setCacheMode(QGraphicsView::CacheBackground);
     //setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
+    setViewportUpdateMode(QGraphicsView::SmartViewportUpdate);
 
+    pixmapCache = new KPixmapCache("kdenlive-thumbs");
     KdenliveSettings::setTrackheight(m_tracksHeight);
     m_animationTimer = new QTimeLine(800);
     m_animationTimer->setFrameRange(0, 5);