#include <KLocale>
-GroupClipsCommand::GroupClipsCommand(CustomTrackView *view, const QList <ItemInfo> clipInfos, const QList <ItemInfo> transitionInfos, bool group, QUndoCommand * parent) :
+GroupClipsCommand::GroupClipsCommand(CustomTrackView *view, const QList <ItemInfo> &clipInfos, const QList <ItemInfo>& transitionInfos, bool group, QUndoCommand * parent) :
QUndoCommand(parent),
m_view(view),
m_clips(clipInfos),