1 files changed, 105 insertions, 0 deletions
diff --git a/AVStream/avscamera/sys/ExtendedEVComp.h b/AVStream/avscamera/sys/ExtendedEVComp.h
new file mode 100644
index 00000000..31f7916b
--- /dev/null
+++ b/AVStream/avscamera/sys/ExtendedEVComp.h
@@ -0,0 +1,105 @@
+/**************************************************************************
+
+    A/V Stream Camera Sample
+
+    Copyright (c) 2014, Microsoft Corporation.
+
+    File:
+
+        ExtendedEvComp.h
+
+    Abstract:
+
+        This file contains the helper class CExtendedEvCompensation.
+        The class is provides initialization and accessor functions for
+        KSCAMERA_EXTENDEDPROP_EVCOMPENSATION. 
+
+    History:
+
+        created 6/3/2014
+
+**************************************************************************/
+
+//
+//  Helper class for Extended Properties.
+//
+class CExtendedEvCompensation
+    : public CExtendedHeader
+{
+public:
+    KSCAMERA_EXTENDEDPROP_EVCOMPENSATION m_EvComp;
+
+public:
+    //  Standardized ctors to help ensure a consistant definition.
+    CExtendedEvCompensation( ULONGLONG flags=0, ULONG result=STATUS_SUCCESS )
+        :CExtendedHeader( flags, result )
+    {
+        Size = sizeof(*this);
+        RtlZeroMemory( &m_EvComp, sizeof(m_EvComp) );
+    }
+
+    CExtendedEvCompensation( KSCAMERA_EXTENDEDPROP_HEADER &hdr )
+        : CExtendedHeader(hdr)
+    {
+        Size = sizeof(*this);
+        RtlZeroMemory( &m_EvComp, sizeof(m_EvComp) );
+    }
+
+    bool isValid()
+    {
+        return CExtendedHeader::isValid() &&
+               (Size    >= sizeof(*this)) ;
+    }
+
+    //  Access operators let you fetch the value from the value field.
+    operator LONG()
+    {
+        return m_EvComp.Value;
+    }
+
+    //  Assignment operators let you assign a value to the property.
+    CExtendedEvCompensation &
+    operator =( LONG x )
+    {
+        Value() = x;
+        return *this;
+    }
+
+    CExtendedEvCompensation &
+    operator =( const KSCAMERA_EXTENDEDPROP_EVCOMPENSATION &x )
+    {
+        m_EvComp = x;
+        return *this;
+    }
+
+    LONG &
+    Min()
+    {
+        return m_EvComp.Min;
+    }
+
+    LONG &
+    Max()
+    {
+        return m_EvComp.Max;
+    }
+
+    ULONG &
+    Mode()
+    {
+        return m_EvComp.Mode;
+    }
+
+    LONG &
+    Value()
+    {
+        return m_EvComp.Value;
+    }
+
+    LONG &
+    GetLONG()
+    {
+        return m_EvComp.Value;
+    }
+};
+