private void CreateVideoCaptureSource()
{
try
{
if (VideoCaptureDevice == null)
{
Trace.WriteLine("Error no videocapturedevice set");
return;
}
//VideoCaptureSource
IMFAttributes pAttributes = null;
int hr = MFExtern.MFCreateAttributes(out pAttributes, 2);
hr = pAttributes.SetGUID(MFAttributesClsid.MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE, CLSID.MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID);
MFError.ThrowExceptionForHR(hr);
hr = pAttributes.SetString(MFAttributesClsid.MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_SYMBOLIC_LINK, VideoCaptureDevice.DevicePath);
MFError.ThrowExceptionForHR(hr);
IMFMediaSource ppMediaSource = null;
hr = MFExtern.MFCreateDeviceSource(pAttributes, out ppMediaSource);
MFError.ThrowExceptionForHR(hr);
m_pSource = ppMediaSource;
//GetCaptureFormats(m_pSource);
}
catch (Exception e)
{
Marshal.GetHRForException(e);
Trace.WriteLine("SetupGraph Exception " + e.ToString());
}
}
public HResult SetString(Guid guidKey, string wszValue)
{
return(m_Attribs.SetString(guidKey, wszValue));
}
