QVBoxLayout *rendererBox = new QVBoxLayout(m_ui.video_frame);
rendererBox->setContentsMargins(0, 0, 0, 0);
#ifdef Q_WS_MAC
m_glWidget = new VideoGLWidget(m_ui.video_frame);
rendererBox->addWidget(m_glWidget);
QVBoxLayout *rendererBox = new QVBoxLayout(m_ui.video_frame);
rendererBox->setContentsMargins(0, 0, 0, 0);
#ifdef Q_WS_MAC
m_glWidget = new VideoGLWidget(m_ui.video_frame);
rendererBox->addWidget(m_glWidget);