const int swidth = (int)(theight * m_ratio + 0.5);
const int dwidth = (int)(theight * m_dar + 0.5);
QImage img = getProducerFrame(frame, swidth, dwidth, theight);
const int swidth = (int)(theight * m_ratio + 0.5);
const int dwidth = (int)(theight * m_dar + 0.5);
QImage img = getProducerFrame(frame, swidth, dwidth, theight);