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/**************************************************************************
A/V Stream Camera Sample
Copyright (c) 2013, Microsoft Corporation.
File:
ExtendedProperty.h
Abstract:
This file contains the helper class CExtendedVidProcSetting.
The class is provides initialization and accessor functions for
KSCAMERA_EXTENDEDPROP_VIDEOPROCSETTING.
History:
created 5/21/2013
**************************************************************************/
//
// Helper class for Extended Properties KSCAMERA_EXTENDEDPROP_VIDEOPROCSETTING.
//
class CExtendedVidProcSetting
: public CExtendedHeader
{
public:
KSCAMERA_EXTENDEDPROP_VIDEOPROCSETTING m_Setting;
public:
// Standardized ctors to help ensure a consistant definition.
CExtendedVidProcSetting( ULONGLONG flags=0, ULONG result=STATUS_SUCCESS )
: CExtendedHeader( flags, result )
{
Size = sizeof(*this);
RtlZeroMemory( &m_Setting, sizeof(m_Setting) );
}
CExtendedVidProcSetting( KSCAMERA_EXTENDEDPROP_HEADER &hdr )
: CExtendedHeader(hdr)
{
Size = sizeof(*this);
RtlZeroMemory( &m_Setting, sizeof(m_Setting) );
}
bool isValid()
{
return CExtendedHeader::isValid() &&
(Size >= sizeof(*this)) ;
}
template<class T>
NTSTATUS
BoundsCheck( T Value )
{
return ::BoundsCheck( Value, m_Setting );
}
// Access operators let you fetch the value from the value field.
operator LONG()
{
return m_Setting.VideoProc.Value.l;
}
operator ULONG()
{
return m_Setting.VideoProc.Value.ul;
}
operator LONGLONG()
{
return m_Setting.VideoProc.Value.ll;
}
operator ULONGLONG()
{
return m_Setting.VideoProc.Value.ull;
}
// Assignment operators let you assign a value to the property.
CExtendedVidProcSetting &
operator =( LONG x )
{
m_Setting.VideoProc.Value.l = x;
return *this;
}
CExtendedVidProcSetting &
operator =( LONGLONG x )
{
m_Setting.VideoProc.Value.ll = x;
return *this;
}
CExtendedVidProcSetting &
operator =( ULONG x )
{
m_Setting.VideoProc.Value.ul = x;
return *this;
}
CExtendedVidProcSetting &
operator =( ULONGLONG x )
{
m_Setting.VideoProc.Value.ull = x;
return *this;
}
CExtendedVidProcSetting &
operator =( const KSCAMERA_EXTENDEDPROP_VIDEOPROCSETTING &x )
{
m_Setting = x;
return *this;
}
LONG &
Min()
{
return m_Setting.Min;
}
LONG &
Max()
{
return m_Setting.Max;
}
LONG &
Step()
{
return m_Setting.Step;
}
ULONG &
Mode()
{
return m_Setting.Mode;
}
LONG &
GetLONG()
{
return m_Setting.VideoProc.Value.l;
}
LONGLONG &
GetLONGLONG()
{
return m_Setting.VideoProc.Value.ll;
}
ULONG &
GetULONG()
{
return m_Setting.VideoProc.Value.ul;
}
ULONGLONG &
GetULONGLONG()
{
return m_Setting.VideoProc.Value.ull;
}
};
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