bool initVideoCapture(const QString& devid, const VideoFormat& fmt)
{
QString use_devid = devid;
if(use_devid.isEmpty())
{
int count = 1;
QVector<VideoCaptureDevice> devs(1);
TT_GetVideoCaptureDevices(&devs[0], &count);
if(count)
use_devid = _Q(devs[0].szDeviceID);
}
return TT_InitVideoCaptureDevice(ttInst, _W(use_devid), &fmt);
}
void CVideoCapturePage::OnBnClickedButtonVidtest()
{
TT_CloseVideoCaptureDevice(ttInst);
int iDev = m_wndVidDev.GetCurSel();
int iFormat = m_wndVidRes.GetItemData(m_wndVidRes.GetCurSel());
if(TT_InitVideoCaptureDevice(ttInst, m_videodevices[iDev].szDeviceID,
&m_videodevices[iDev].videoFormats[iFormat]))
{
int fps = 30;
if(m_videodevices[iDev].videoFormats[iFormat].nFPS_Denominator)
fps = m_videodevices[iDev].videoFormats[iFormat].nFPS_Numerator / m_videodevices[iDev].videoFormats[iFormat].nFPS_Denominator;
int msec = 1000 / fps;
CUserVideoDlg dlg(0 | VIDEOTYPE_CAPTURE, msec, this);
dlg.DoModal();
TT_CloseVideoCaptureDevice(ttInst);
}
else
MessageBox(_T("Failed to start selected device"), _T("Test Selected"), MB_OK);
}
