connect(render, SIGNAL(durationChanged(int)), this, SLOT(adjustRulerSize(int)));
connect(render, SIGNAL(rendererStopped(int)), this, SLOT(rendererStopped(int)));
connect(render, SIGNAL(rendererPosition(int)), this, SLOT(seekCursor(int)));
connect(render, SIGNAL(durationChanged(int)), this, SLOT(adjustRulerSize(int)));
connect(render, SIGNAL(rendererStopped(int)), this, SLOT(rendererStopped(int)));
connect(render, SIGNAL(rendererPosition(int)), this, SLOT(seekCursor(int)));