windows-nt/Source/XPSP1/NT/multimedia/dshow/vidctl/analogradiotsimpl.h
2020-09-26 16:20:57 +08:00

145 lines
3.3 KiB
C++

/////////////////////////////////////////////////////////////////////////////////////
// analogradiotsimpl.h :
// Copyright (c) Microsoft Corporation 1999.
#ifndef ANALOGRADIOTSIMPL_H
#define ANALOGRADIOTSIMPL_H
#include "tuningspaceimpl.h"
namespace BDATuningModel {
template<class T,
class MostDerived = IAnalogRadioTuningSpace,
LPCGUID iid = &__uuidof(MostDerived),
LPCGUID LibID = &LIBID_TunerLib,
WORD wMajor = 1,
WORD wMinor = 0,
class tihclass = CComTypeInfoHolder
> class ATL_NO_VTABLE IAnalogRadioTSImpl :
public ITuningSpaceImpl<T, CChannelTuneRequest, MostDerived, iid, LibID, wMajor, wMinor, tihclass>
{
public:
IAnalogRadioTSImpl() : m_MinFreq(BDA_UNDEFINED_CHANNEL), m_MaxFreq(BDA_UNDEFINED_CHANNEL), m_Step(0) {}
virtual ~IAnalogRadioTSImpl() {}
typedef ITuningSpaceImpl<T, CChannelTuneRequest, MostDerived, iid, LibID, wMajor, wMinor, tihclass> basetype;
BEGIN_PROP_MAP(IAnalogRadioTSImpl)
CHAIN_PROP_MAP(basetype)
PROP_DATA_ENTRY("MinFrequency", m_MinFreq, VT_I4)
PROP_DATA_ENTRY("MaxFrequency", m_MaxFreq, VT_I4)
PROP_DATA_ENTRY("Step", m_Step, VT_I4)
END_PROPERTY_MAP()
long m_MinFreq;
long m_MaxFreq;
long m_Step;
// IAnalogRadioTS
STDMETHOD(get_MinFrequency)(long *pVal)
{
try {
if (!pVal) {
return E_POINTER;
}
ATL_LOCKT();
*pVal = m_MinFreq;
} catch (...) {
return E_POINTER;
}
return NOERROR;
}
STDMETHOD(put_MinFrequency)(long newVal)
{
ATL_LOCKT();
if (newVal > m_MaxFreq) {
return ImplReportError(__uuidof(T), IDS_E_INVALIDARG, __uuidof(IAnalogRadioTuningSpace), E_INVALIDARG);
}
m_MinFreq = newVal;
MARK_DIRTY(T);
return NOERROR;
}
STDMETHOD(get_MaxFrequency)(long *pVal)
{
try {
if (!pVal) {
return E_POINTER;
}
ATL_LOCKT();
*pVal = m_MaxFreq;
} catch (...) {
return E_POINTER;
}
return NOERROR;
}
STDMETHOD(put_MaxFrequency)(long newVal)
{
if (newVal < m_MinFreq) {
return ImplReportError(__uuidof(T), IDS_E_INVALIDARG, __uuidof(IAnalogRadioTuningSpace), E_INVALIDARG);
}
ATL_LOCKT();
m_MaxFreq = newVal;
MARK_DIRTY(T);
return NOERROR;
}
STDMETHOD(get_Step)(long* pVal)
{
try {
if (!pVal) {
return E_POINTER;
}
ATL_LOCKT();
*pVal = m_Step;
} catch (...) {
return E_POINTER;
}
return NOERROR;
}
STDMETHOD(put_Step)(long newVal)
{
ATL_LOCKT();
m_Step = newVal;
MARK_DIRTY(T);
return NOERROR;
}
STDMETHOD(Clone) (ITuningSpace **ppTS) {
try {
if (!ppTS) {
return E_POINTER;
}
ATL_LOCKT();
HRESULT hr = basetype::Clone(ppTS);
if (FAILED(hr)) {
return hr;
}
T* pt = static_cast<T*>(*ppTS);
pt->m_MinFreq = m_MinFreq;
pt->m_MaxFreq = m_MaxFreq;
pt->m_Step = m_Step;
return NOERROR;
} catch (HRESULT h) {
return h;
} catch (...) {
return E_POINTER;
}
}
};
}; // namespace
#endif // ANALOGRADIOTSIMPL_H
// end of file -- analogradiotsimpl.h