-EditKeyFrameCommand::EditKeyFrameCommand(CustomTrackView *view, const int track, GenTime pos, const int effectIndex, const QString& oldkeyframes, const QString& newkeyframes, bool doIt) :
+EditKeyFrameCommand::EditKeyFrameCommand(CustomTrackView *view, const int track, const GenTime &pos, const int effectIndex, const QString& oldkeyframes, const QString& newkeyframes, bool doIt) :