Cache for frame grabbing

Implemetented a cache for hovering over movies, saving the pictures from
ffmpeg. For that SmGlobals got a new member *frameCache, handling all
the dirty file access.

I first tried to implement it as a helper, but that produced too much
duplicate code.

1 files changed, 1 insertions, 1 deletions

diff --git a/filestreewidget.cpp b/filestreewidget.cpp
index b6189c5..857b848 100644
--- a/filestreewidget.cpp
+++ b/filestreewidget.cpp
@@ -408,7 +408,7 @@ void FilesTreeView::doHover(const QModelIndex &idx){
 	bool scale = true;
 	mCurHover = idx;
 	if(idx.data(FilesTreeModel::FileTypeRole).toInt() == FilesTreeModel::Movie){
-		pm = Helper::grabFrame(idx.data(FilesTreeModel::FullPathRole).toString());
+		pm = SmGlobals::instance()->frameCache()->entry(idx.data(FilesTreeModel::FullPathRole).toString());
 		if(pm.isNull()){
 			return;
 		}