configuration file about neuvision HOT 7 OPEN

if (m_opencvAttributeNames.empty()) {
    /// attribute id <-> name map
    m_opencvAttributeNames[cv::CAP_PROP_FRAME_WIDTH ] = "OpenCV::Frame::Width";
    m_opencvAttributeNames[cv::CAP_PROP_FRAME_HEIGHT] = "OpenCV::Frame::Height";
    m_opencvAttributeNames[cv::CAP_PROP_BRIGHTNESS  ] = "OpenCV::Brightness";
    m_opencvAttributeNames[cv::CAP_PROP_CONTRAST    ] = "OpenCV::Contrast";
    m_opencvAttributeNames[cv::CAP_PROP_SATURATION  ] = "OpenCV::Saturation";
    m_opencvAttributeNames[cv::CAP_PROP_HUE         ] = "OpenCV::Hue";
    m_opencvAttributeNames[cv::CAP_PROP_GAIN        ] = "OpenCV::Gain";
    m_opencvAttributeNames[cv::CAP_PROP_EXPOSURE    ] = "OpenCV::Exposure";
    m_opencvAttributeNames[cv::CAP_PROP_FPS         ] = "OpenCV::FPS";
}

/*/// try to get supported frame sizes
union {double prop; const char* name;} u;
u.prop = m_capture->get(cv::CAP_PROP_SUPPORTED_PREVIEW_SIZES_STRING);
// VideoCapture::get can return 0.0 or -1.0 if it doesn't support
// cv::CAP_PROP_SUPPORTED_PREVIEW_SIZES_STRING
if (u.prop != 0.0 && u.prop != -1.0) {
    qDebug() << "cv::CAP_PROP_SUPPORTED_PREVIEW_SIZES_STRING" << u.name;
} else */{
    m_frameSizes << QSize(320, 240)
                 << QSize(640, 480)
                 << QSize(640, 488)
                 << QSize(800, 600)
                 << QSize(848, 480)
                 << QSize(1280, 720)
                 << QSize(1280, 1024)