mirror of
https://github.com/reactos/reactos.git
synced 2024-11-05 22:26:39 +00:00
722 lines
No EOL
19 KiB
C++
722 lines
No EOL
19 KiB
C++
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Network Provider for MPEG2 based networks
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* FILE: dll/directx/msdvbnp/networkprovider.cpp
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* PURPOSE: IScanningTunner interface
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*
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* PROGRAMMERS: Johannes Anderwald (janderwald@reactos.org)
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*/
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#include "precomp.h"
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class CScanningTunner : public IScanningTuner
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{
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public:
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STDMETHODIMP QueryInterface( REFIID InterfaceId, PVOID* Interface);
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STDMETHODIMP_(ULONG) AddRef()
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{
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InterlockedIncrement(&m_Ref);
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return m_Ref;
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}
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STDMETHODIMP_(ULONG) Release()
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{
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InterlockedDecrement(&m_Ref);
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if (!m_Ref)
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{
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delete this;
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return 0;
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}
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return m_Ref;
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}
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//ITuner methods
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HRESULT STDMETHODCALLTYPE get_TuningSpace(ITuningSpace **TuningSpace);
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HRESULT STDMETHODCALLTYPE put_TuningSpace(ITuningSpace *TuningSpace);
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HRESULT STDMETHODCALLTYPE EnumTuningSpaces(IEnumTuningSpaces **ppEnum);
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HRESULT STDMETHODCALLTYPE get_TuneRequest(ITuneRequest **TuneRequest);
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HRESULT STDMETHODCALLTYPE put_TuneRequest(ITuneRequest *TuneRequest);
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HRESULT STDMETHODCALLTYPE Validate(ITuneRequest *TuneRequest);
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HRESULT STDMETHODCALLTYPE get_PreferredComponentTypes(IComponentTypes **ComponentTypes);
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HRESULT STDMETHODCALLTYPE put_PreferredComponentTypes(IComponentTypes *ComponentTypes);
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HRESULT STDMETHODCALLTYPE get_SignalStrength(long *Strength);
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HRESULT STDMETHODCALLTYPE TriggerSignalEvents(long Interval);
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//IScanningTuner methods
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HRESULT STDMETHODCALLTYPE SeekUp();
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HRESULT STDMETHODCALLTYPE SeekDown();
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HRESULT STDMETHODCALLTYPE ScanUp(long MillisecondsPause);
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HRESULT STDMETHODCALLTYPE ScanDown(long MillisecondsPause);
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HRESULT STDMETHODCALLTYPE AutoProgram();
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CScanningTunner(std::vector<IUnknown*> & DeviceFilters) : m_Ref(0), m_TuningSpace(0), m_DeviceFilters(DeviceFilters){};
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virtual ~CScanningTunner() {};
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HRESULT STDMETHODCALLTYPE StartChanges();
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HRESULT STDMETHODCALLTYPE CommitChanges();
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HRESULT STDMETHODCALLTYPE CheckChanges();
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HRESULT STDMETHODCALLTYPE SetLnbInfo(IBDA_LNBInfo * pLnbInfo, ULONG ulLOFLow, ULONG ulLOFHigh, ULONG ulSwitchFrequency);
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HRESULT STDMETHODCALLTYPE SetDigitalDemodulator(IBDA_DigitalDemodulator * pDigitalDemo, ModulationType ModType, FECMethod InnerFEC, BinaryConvolutionCodeRate InnerFECRate, FECMethod OuterFEC, BinaryConvolutionCodeRate OuterFECRate, ULONG SymbolRate);
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HRESULT SetFrequency(IBDA_FrequencyFilter * pFrequency, ULONG FrequencyMultiplier, ULONG Frequency, Polarisation Polarity, ULONG Range, ULONG Bandwidth);
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HRESULT STDMETHODCALLTYPE performDVBTTune(IDVBTuneRequest * pDVBTRequest, IDVBTLocator *pDVBTLocator);
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protected:
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LONG m_Ref;
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ITuningSpace * m_TuningSpace;
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std::vector<IUnknown*> & m_DeviceFilters;
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};
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::QueryInterface(
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IN REFIID refiid,
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OUT PVOID* Output)
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{
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if (IsEqualGUID(refiid, IID_IUnknown))
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{
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*Output = PVOID(this);
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reinterpret_cast<IUnknown*>(*Output)->AddRef();
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return NOERROR;
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}
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if (IsEqualGUID(refiid, IID_ITuner))
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{
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*Output = (ITuner*)(this);
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reinterpret_cast<ITuner*>(*Output)->AddRef();
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return NOERROR;
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}
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if (IsEqualGUID(refiid, IID_IScanningTuner))
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{
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*Output = (IScanningTuner*)(this);
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reinterpret_cast<IScanningTuner*>(*Output)->AddRef();
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return NOERROR;
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}
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WCHAR Buffer[MAX_PATH];
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LPOLESTR lpstr;
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StringFromCLSID(refiid, &lpstr);
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swprintf(Buffer, L"CScanningTunner::QueryInterface: NoInterface for %s\n", lpstr);
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OutputDebugStringW(Buffer);
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CoTaskMemFree(lpstr);
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return E_NOINTERFACE;
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}
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//-------------------------------------------------------------------
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//ITuner
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//
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::get_TuningSpace(
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ITuningSpace **TuningSpace)
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{
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OutputDebugStringW(L"CScanningTunner::get_TuningSpace\n");
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*TuningSpace = m_TuningSpace;
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return S_OK;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::put_TuningSpace(
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ITuningSpace *TuningSpace)
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{
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OutputDebugStringW(L"CScanningTunner::put_TuningSpace\n");
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m_TuningSpace = TuningSpace;
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return S_OK;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::EnumTuningSpaces(
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IEnumTuningSpaces **ppEnum)
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{
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OutputDebugStringW(L"CScanningTunner::EnumTuningSpaces : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::get_TuneRequest(
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ITuneRequest **TuneRequest)
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{
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OutputDebugStringW(L"CScanningTunner::get_TuneRequest : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::put_TuneRequest(
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ITuneRequest *TuneRequest)
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{
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IDVBTuneRequest * pDVBTRequest;
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ILocator *pLocator;
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IDVBTLocator *pDVBTLocator;
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HRESULT hr;
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OutputDebugStringW(L"CScanningTunner::put_TuneRequest\n");
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// query for IDVBTuneRequest interface
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hr = TuneRequest->QueryInterface(IID_IDVBTuneRequest, (void**)&pDVBTRequest);
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// sanity check
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assert(hr == NOERROR);
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// get the IDVBTLocator
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hr = pDVBTRequest->get_Locator((ILocator**)&pLocator);
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// sanity check
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assert(hr == NOERROR);
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assert(pLocator);
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hr = pLocator->QueryInterface(IID_ILocator, (void**)&pDVBTLocator);
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// sanity check
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assert(hr == NOERROR);
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StartChanges();
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CommitChanges();
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StartChanges();
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hr = performDVBTTune(pDVBTRequest, pDVBTLocator);
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pDVBTLocator->Release();
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pDVBTRequest->Release();
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CheckChanges();
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CommitChanges();
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StartChanges();
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return NOERROR;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::Validate(
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ITuneRequest *TuneRequest)
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{
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OutputDebugStringW(L"CScanningTunner::Validate : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::get_PreferredComponentTypes(
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IComponentTypes **ComponentTypes)
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{
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OutputDebugStringW(L"CScanningTunner::get_PreferredComponentTypes : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::put_PreferredComponentTypes(
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IComponentTypes *ComponentTypes)
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{
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OutputDebugStringW(L"CScanningTunner::put_PreferredComponentTypes : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::get_SignalStrength(
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long *Strength)
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{
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OutputDebugStringW(L"CScanningTunner::get_SignalStrength : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::TriggerSignalEvents(
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long Interval)
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{
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OutputDebugStringW(L"CScanningTunner::TriggerSignalEvents : NotImplemented\n");
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return E_NOTIMPL;
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}
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//-------------------------------------------------------------------
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//IScanningTuner
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::SeekUp()
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{
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OutputDebugStringW(L"CScanningTunner::SeekUp : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::SeekDown()
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{
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OutputDebugStringW(L"CScanningTunner::SeekDown : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::ScanUp(
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long MillisecondsPause)
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{
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OutputDebugStringW(L"CScanningTunner::ScanUp : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::ScanDown(
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long MillisecondsPause)
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{
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OutputDebugStringW(L"CScanningTunner::ScanDown : NotImplemented\n");
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return E_NOTIMPL;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::AutoProgram()
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{
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OutputDebugStringW(L"CScanningTunner::AutoProgram : NotImplemented\n");
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return E_NOTIMPL;
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}
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//-------------------------------------------------------------------
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::performDVBTTune(
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IDVBTuneRequest * pDVBTRequest,
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IDVBTLocator *pDVBTLocator)
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{
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HRESULT hr = S_OK;
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ULONG Index;
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IBDA_Topology *pTopo;
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IUnknown *pNode;
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IBDA_FrequencyFilter * pFrequency;
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IBDA_LNBInfo * pLnbInfo;
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IBDA_DigitalDemodulator *pDigitalDemo;
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LONG BandWidth;
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LONG Frequency;
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LONG SymbolRate;
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FECMethod InnerFEC, OuterFEC;
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BinaryConvolutionCodeRate InnerFECRate, OuterFECRate;
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ModulationType Modulation;
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pDVBTLocator->get_Bandwidth(&BandWidth);
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pDVBTLocator->get_CarrierFrequency(&Frequency);
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pDVBTLocator->get_InnerFEC(&InnerFEC);
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pDVBTLocator->get_InnerFECRate(&InnerFECRate);
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pDVBTLocator->get_Modulation(&Modulation);
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pDVBTLocator->get_OuterFEC(&OuterFEC);
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pDVBTLocator->get_OuterFECRate(&OuterFECRate);
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pDVBTLocator->get_SymbolRate(&SymbolRate);
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WCHAR Buffer[1000];
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swprintf(Buffer, L"BandWidth %lu Frequency %lu Rate %lu InnerFEC %ld OuterFEC %ld InnerFECRate %ld OuterFECRate %ld Modulation %lu\n",
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BandWidth, Frequency, SymbolRate, InnerFEC, OuterFEC, InnerFECRate, OuterFECRate, Modulation);
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OutputDebugStringW(Buffer);
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for(Index = 0; Index < m_DeviceFilters.size(); Index++)
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{
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// get device filter
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IUnknown * pFilter = m_DeviceFilters[Index];
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if (!pFilter)
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continue;
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hr = pFilter->QueryInterface(IID_IBDA_Topology, (void**)&pTopo);
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// sanity check
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assert(hr == NOERROR);
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pNode = NULL;
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hr = pTopo->GetControlNode(0, 1, 0, &pNode); //HACK
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WCHAR Buffer[100];
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swprintf(Buffer, L"CScanningTunner::performDVBTTune GetControlNode %lx\n", hr);
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OutputDebugStringW(Buffer);
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if (FAILED(hr))
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continue;
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// sanity check
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assert(hr == NOERROR);
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assert(pNode);
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hr = pNode->QueryInterface(IID_IBDA_FrequencyFilter, (void**)&pFrequency);
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swprintf(Buffer, L"CScanningTunner::performDVBTTune IID_IBDA_FrequencyFilter hr %lx\n", hr);
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OutputDebugStringW(Buffer);
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// sanity check
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assert(hr == NOERROR);
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hr = SetFrequency(pFrequency, 1000 /* FIXME */, Frequency, BDA_POLARISATION_NOT_DEFINED /* FIXME */, BDA_RANGE_NOT_SET /* FIXME */, BandWidth);
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swprintf(Buffer, L"CScanningTunner::performDVBTTune SetFrequency hr %lx\n", hr);
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OutputDebugStringW(Buffer);
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//sanity check
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assert(hr == NOERROR);
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// release interface
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pFrequency->Release();
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hr = pNode->QueryInterface(IID_IBDA_LNBInfo, (void**)&pLnbInfo);
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swprintf(Buffer, L"CScanningTunner::performDVBTTune IID_IBDA_LNBInfo hr %lx\n", hr);
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OutputDebugStringW(Buffer);
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// sanity check
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assert(hr == NOERROR);
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hr = SetLnbInfo(pLnbInfo, ULONG_MAX /* FIXME */, ULONG_MAX /* FIXME*/, ULONG_MAX /*FIXME*/);
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swprintf(Buffer, L"CScanningTunner::performDVBTTune SetLnbInfo hr %lx\n", hr);
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OutputDebugStringW(Buffer);
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// sanity check
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assert(hr == NOERROR);
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// release interface
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pLnbInfo->Release();
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hr = pNode->QueryInterface(IID_IBDA_DigitalDemodulator, (void**)&pDigitalDemo);
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swprintf(Buffer, L"CScanningTunner::performDVBTTune IID_IBDA_DigitalDemodulator hr %lx\n", hr);
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OutputDebugStringW(Buffer);
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// sanity check
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assert(hr == NOERROR);
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hr = SetDigitalDemodulator(pDigitalDemo, Modulation, InnerFEC, InnerFECRate, OuterFEC, OuterFECRate, SymbolRate);
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swprintf(Buffer, L"CScanningTunner::performDVBTTune SetDigitalDemodulator hr %lx\n", hr);
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OutputDebugStringW(Buffer);
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// sanity check
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assert(hr == NOERROR);
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// release interface
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pDigitalDemo->Release();
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// release control node
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pNode->Release();
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// release IBDA_Topology;
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pTopo->Release();
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}
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return hr;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::CheckChanges()
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{
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ULONG Index;
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HRESULT hResult = NOERROR;
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IBDA_DeviceControl * pDeviceControl;
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for(Index = 0; Index < m_DeviceFilters.size(); Index++)
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{
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// get filter
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IUnknown * pFilter = m_DeviceFilters[Index];
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if (!pFilter)
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continue;
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// query for IBDA_DeviceControl interface
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hResult = pFilter->QueryInterface(IID_IBDA_DeviceControl, (void**)&pDeviceControl);
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// sanity check
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assert(hResult == NOERROR);
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//start changes
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hResult = pDeviceControl->CheckChanges();
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// fix for unimplemented
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if (hResult == E_NOTIMPL)
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hResult = NOERROR;
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// release interface
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pDeviceControl->Release();
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if (FAILED(hResult))
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{
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//shouldnt happen
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break;
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}
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}
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// done
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return hResult;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::CommitChanges()
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{
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ULONG Index;
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HRESULT hResult = NOERROR;
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IBDA_DeviceControl * pDeviceControl;
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for(Index = 0; Index < m_DeviceFilters.size(); Index++)
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{
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// get filter
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IUnknown * pFilter = m_DeviceFilters[Index];
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if (!pFilter)
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continue;
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// query for IBDA_DeviceControl interface
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HRESULT hr = pFilter->QueryInterface(IID_IBDA_DeviceControl, (void**)&pDeviceControl);
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// sanity check
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assert(hr == NOERROR);
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//start changes
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hr = pDeviceControl->CommitChanges();
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// fix for unimplemented
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if (hr == E_NOTIMPL)
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hr = NOERROR;
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if (FAILED(hr))
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{
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pDeviceControl->StartChanges();
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pDeviceControl->CommitChanges();
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hResult = E_UNEXPECTED;
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}
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// release interface
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pDeviceControl->Release();
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}
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//done
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return hResult;
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}
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HRESULT
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STDMETHODCALLTYPE
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CScanningTunner::StartChanges()
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{
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ULONG Index;
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IBDA_DeviceControl * pDeviceControl;
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for(Index = 0; Index < m_DeviceFilters.size(); Index++)
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{
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// get filter
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IUnknown * pFilter = m_DeviceFilters[Index];
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if (!pFilter)
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continue;
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// query for IBDA_DeviceControl interface
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HRESULT hr = pFilter->QueryInterface(IID_IBDA_DeviceControl, (void**)&pDeviceControl);
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// sanity check
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assert(hr == NOERROR);
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//start changes
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hr = pDeviceControl->StartChanges();
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// release interface
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pDeviceControl->Release();
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// fix for unimplemented
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if (hr == E_NOTIMPL)
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hr = NOERROR;
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if (FAILED(hr))
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return hr;
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}
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// now commit the changes
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for(Index = 0; Index < m_DeviceFilters.size(); Index++)
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{
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// get filter
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IUnknown * pFilter = m_DeviceFilters[Index];
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if (!pFilter)
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continue;
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// query for IBDA_DeviceControl interface
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HRESULT hr = pFilter->QueryInterface(IID_IBDA_DeviceControl, (void**)&pDeviceControl);
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|
// sanity check
|
|
assert(hr == NOERROR);
|
|
|
|
hr = pDeviceControl->CommitChanges();
|
|
|
|
// release interface
|
|
pDeviceControl->Release();
|
|
}
|
|
|
|
// done
|
|
return NOERROR;
|
|
}
|
|
|
|
HRESULT
|
|
STDMETHODCALLTYPE
|
|
CScanningTunner::SetLnbInfo(
|
|
IBDA_LNBInfo * pLnbInfo,
|
|
ULONG ulLOFLow,
|
|
ULONG ulLOFHigh,
|
|
ULONG ulSwitchFrequency)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = pLnbInfo->put_LocalOscilatorFrequencyLowBand(ulLOFLow);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pLnbInfo->put_LocalOscilatorFrequencyHighBand(ulLOFHigh);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pLnbInfo->put_HighLowSwitchFrequency(ulSwitchFrequency);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT
|
|
CScanningTunner::SetFrequency(
|
|
IBDA_FrequencyFilter * pFrequency,
|
|
ULONG FrequencyMultiplier,
|
|
ULONG Frequency,
|
|
Polarisation Polarity,
|
|
ULONG Range,
|
|
ULONG Bandwidth)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = pFrequency->put_FrequencyMultiplier(FrequencyMultiplier);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pFrequency->put_Frequency(Frequency);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pFrequency->put_Polarity(Polarity);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND))
|
|
hr = NOERROR;
|
|
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pFrequency->put_Range(Range);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND))
|
|
hr = NOERROR;
|
|
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pFrequency->put_Bandwidth(Bandwidth);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT
|
|
STDMETHODCALLTYPE
|
|
CScanningTunner::SetDigitalDemodulator(
|
|
IBDA_DigitalDemodulator * pDigitalDemo,
|
|
ModulationType ModType,
|
|
FECMethod InnerFEC,
|
|
BinaryConvolutionCodeRate InnerFECRate,
|
|
FECMethod OuterFEC,
|
|
BinaryConvolutionCodeRate OuterFECRate,
|
|
ULONG SymbolRate)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = pDigitalDemo->put_ModulationType(&ModType);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pDigitalDemo->put_InnerFECMethod(&InnerFEC);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pDigitalDemo->put_InnerFECRate(&InnerFECRate);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pDigitalDemo->put_OuterFECMethod(&OuterFEC);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pDigitalDemo->put_OuterFECRate(&OuterFECRate);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = pDigitalDemo->put_SymbolRate(&SymbolRate);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
SpectralInversion Inversion = BDA_SPECTRAL_INVERSION_NOT_DEFINED;
|
|
hr = pDigitalDemo->put_SpectralInversion(&Inversion);
|
|
if (hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_NOT_FOUND) || hr == MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, ERROR_SET_NOT_FOUND))
|
|
hr = NOERROR;
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT
|
|
WINAPI
|
|
CScanningTunner_fnConstructor(
|
|
std::vector<IUnknown*> & DeviceFilter,
|
|
REFIID riid,
|
|
LPVOID * ppv)
|
|
{
|
|
CScanningTunner * handler = new CScanningTunner(DeviceFilter);
|
|
|
|
#ifdef MSDVBNP_TRACE
|
|
WCHAR Buffer[MAX_PATH];
|
|
LPOLESTR lpstr;
|
|
StringFromCLSID(riid, &lpstr);
|
|
swprintf(Buffer, L"CScanningTunner_fnConstructor riid %s\n", lpstr);
|
|
OutputDebugStringW(Buffer);
|
|
#endif
|
|
|
|
if (!handler)
|
|
return E_OUTOFMEMORY;
|
|
|
|
if (FAILED(handler->QueryInterface(riid, ppv)))
|
|
{
|
|
/* not supported */
|
|
delete handler;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
return NOERROR;
|
|
} |