setRect(0, 0, (m_cropDuration - diff).frames(m_fps) - 0.02, rect().height());
setPos((m_startPos + diff).frames(m_fps), pos().y());
m_startPos += diff;
setRect(0, 0, (m_cropDuration - diff).frames(m_fps) - 0.02, rect().height());
setPos((m_startPos + diff).frames(m_fps), pos().y());
m_startPos += diff;