///<summary>
/// WinTV CI control
///</summary>
///<param name="winTvUsbCIFilter">WinTV CI filter</param>
public WinTvCiModule(IBaseFilter winTvUsbCIFilter)
{
_winTvUsbCIFilter = winTvUsbCIFilter;
cbOnAPDU = OnAPDU;
cbOnStatus = OnStatus;
cbOnCamInfo = OnCamInfo;
cbOnCloseMMI = OnMMIClosed;
MMI = new DVB_MMI_Handler("WinTvCI"); // callbacks are set on first access
}
///<summary>
/// WinTV CI control
///</summary>
///<param name="winTvUsbCIFilter">WinTV CI filter</param>
public WinTvCiModule(IBaseFilter winTvUsbCIFilter)
{
_winTvUsbCIFilter = winTvUsbCIFilter;
cbOnAPDU = OnAPDU;
cbOnStatus = OnStatus;
cbOnCamInfo = OnCamInfo;
cbOnCloseMMI = OnMMIClosed;
MMI = new DVB_MMI_Handler("WinTvCI"); // callbacks are set on first access
}
/// <summary>
/// Thread that checks for CI menu
/// </summary>
private void CiMenuHandler()
{
Log.Log.Debug("FireDTV: CI handler thread start polling status");
int bytesReturned;
int hr;
DVB_MMI_Handler MMI = new DVB_MMI_Handler("FireDTV", ref m_ciMenuCallback);
DE_CI_STATUS CiStatus;
// Init CiStatus word to 0
Marshal.WriteInt16(_ptrDataCiHandler, 0);
IKsPropertySet propertySet = _filterTuner as IKsPropertySet;
if (propertySet == null)
{
Log.Log.Debug("FireDTV:CiMenuHandler() properySet=null");
return;
}
while (!StopThread)
{
try
{
// this code is equal to GetCAMStatus, but implemented separately to avoid memory / threading conflicts with used pointers!
hr = propertySet.Get(KSPROPSETID_Firesat, KSPROPERTY_FIRESAT_GET_CI_STATUS, _ptrDataCiHandler, CA_DATA_SIZE,
_ptrDataCiHandler, CA_DATA_SIZE, out bytesReturned);
if (hr != 0)
{
Log.Log.Debug("FireDTV: error reading CI state.");
}
else
{
CiStatus = (DE_CI_STATUS)Marshal.ReadInt16(_ptrDataCiHandler);
#if DEBUG
Log.Log.Debug("FireDTV: CI iStatus:{0}", CiStatus);
#endif
if ((CiStatus & DE_CI_STATUS.CI_MMI_REQUEST) != 0)
{
Log.Log.Debug("FireDTV: CI menu object available!");
// Get the MMI object
FIRESAT_CA_DATA caData = GET_FIRESAT_CA_DATA(5 /*CA_MMI*/, 0);
Marshal.StructureToPtr(caData, _ptrDataInstance, true);
Marshal.StructureToPtr(caData, _ptrDataCiHandler, true);
hr = propertySet.Set(KSPROPSETID_Firesat, KSPROPERTY_FIRESAT_CA2HOST, _ptrDataInstance, CA_DATA_SIZE,
_ptrDataCiHandler, CA_DATA_SIZE);
if (hr != 0)
{
Log.Log.Debug("FireDTV: unable to set \"CA_MMI\"");
}
hr = propertySet.Get(KSPROPSETID_Firesat, KSPROPERTY_FIRESAT_CA2HOST, _ptrDataInstance, CA_DATA_SIZE,
_ptrDataCiHandler, CA_DATA_SIZE, out bytesReturned);
if (hr != 0)
{
Log.Log.Debug("FireDTV: unable to get \"CA_MMI\": hr {0:X}", hr);
}
else
{
// cast ptr back to struct and handle it in c#
FIRESAT_CA_DATA caDataReturned =
(FIRESAT_CA_DATA)Marshal.PtrToStructure(_ptrDataCiHandler, typeof (FIRESAT_CA_DATA));
Int32 caDataLength = caDataReturned.uLength2 << 8 | caDataReturned.uLength1;
MMI.HandleMMI(caDataReturned.uData, caDataLength);
}
}
}
Thread.Sleep(500);
}
catch (ThreadAbortException) {}
catch (Exception ex)
{
Log.Log.Debug("FireDTV: error in CiMenuHandler thread\r\n{0}", ex.ToString());
return;
}
}
}
