private void TestTuneRequestAndValidate()
{
int hr = 0;
ITuneRequest tuneRequest;
ILocator locator;
// I have this value as global varible but i have to test get_TuneRequest...
hr = tuner.get_TuneRequest(out tuneRequest);
Debug.Assert(hr == 0, "ITuner.get_TuneRequest");
hr = tuneRequest.get_Locator(out locator);
DsError.ThrowExceptionForHR(hr);
// Assume a DVBT hardware
// A valid carrier frequency must be passed...
hr = (locator as IDVBTLocator).put_CarrierFrequency(586000);
hr = tuneRequest.put_Locator(locator);
// Select the first channel in the first transport stream found...
hr = (tuneRequest as IDVBTuneRequest).put_ONID(-1);
hr = (tuneRequest as IDVBTuneRequest).put_TSID(-1);
hr = (tuneRequest as IDVBTuneRequest).put_SID(-1);
// Is it a valid tune request ?
hr = tuner.Validate(tuneRequest);
Debug.Assert(hr == 0, "ITuner.Validate");
hr = tuner.put_TuneRequest(tuneRequest);
Debug.Assert(hr == 0, "ITuner.put_TuneRequest");
}
protected override Channel GetChannel()
{
ITuneRequest request;
int hr = tuner.get_TuneRequest(out request);
DsError.ThrowExceptionForHR(hr);
IATSCChannelTuneRequest atscRequest = (IATSCChannelTuneRequest)request;
ILocator locator;
atscRequest.get_Locator(out locator);
IATSCLocator atscLocator = (IATSCLocator)locator;
int freq, channel, major, minor;
hr = atscLocator.get_CarrierFrequency(out freq);
hr = atscLocator.get_PhysicalChannel(out channel);
hr = atscRequest.get_Channel(out major);
hr = atscRequest.get_MinorChannel(out minor);
return(new Channel(freq, channel, major, minor));
}