common.h

在微软例子下实现的虚拟声卡,实现了各种接口,是学习的一个好例子

/*++

Copyright (c) 1997-2000  Microsoft Corporation All Rights Reserved

Module Name:

    Common.h

Abstract:
    
    CAdapterCommon class declaration.

--*/

#ifndef _MSVAD_COMMON_H_
#define _MSVAD_COMMON_H_

//=============================================================================
// Defines
//=============================================================================

DEFINE_GUID(IID_IAdapterCommon,
0x7eda2950, 0xbf9f, 0x11d0, 0x87, 0x1f, 0x0, 0xa0, 0xc9, 0x11, 0xb5, 0x44);

//=============================================================================
// Interfaces
//=============================================================================

///////////////////////////////////////////////////////////////////////////////
// IAdapterCommon
//
DECLARE_INTERFACE_(IAdapterCommon, IUnknown)
{
    STDMETHOD_(NTSTATUS,        Init) 
    ( 
        THIS_
        IN  PDEVICE_OBJECT      DeviceObject 
    ) PURE;

    STDMETHOD_(PDEVICE_OBJECT,  GetDeviceObject)
    (
        THIS
    ) PURE;

    STDMETHOD_(VOID,            SetWaveServiceGroup) 
    ( 
        THIS_
        IN PSERVICEGROUP        ServiceGroup 
    ) PURE;

    STDMETHOD_(PUNKNOWN *,      WavePortDriverDest) 
    ( 
        THIS 
    ) PURE;

    STDMETHOD_(BOOL,            MixerMuteRead)
    (
        THIS_
        IN  ULONG               Index
    ) PURE;

    STDMETHOD_(VOID,            MixerMuteWrite)
    (
        THIS_
        IN  ULONG               Index,
        IN  BOOL                Value
    );

    STDMETHOD_(ULONG,           MixerMuxRead)
    (
        THIS
    );

    STDMETHOD_(VOID,            MixerMuxWrite)
    (
        THIS_
        IN  ULONG               Index
    );

    STDMETHOD_(LONG,            MixerVolumeRead) 
    ( 
        THIS_
        IN  ULONG               Index,
        IN  LONG                Channel
    ) PURE;

    STDMETHOD_(VOID,            MixerVolumeWrite) 
    ( 
        THIS_
        IN  ULONG               Index,
        IN  LONG                Channel,
        IN  LONG                Value 
    ) PURE;

    STDMETHOD_(VOID,            MixerReset) 
    ( 
        THIS 
    ) PURE;
};
typedef IAdapterCommon *PADAPTERCOMMON;

//=============================================================================
// Function Prototypes
//=============================================================================
NTSTATUS
NewAdapterCommon
( 
    OUT PUNKNOWN *              Unknown,
    IN  REFCLSID,
    IN  PUNKNOWN                UnknownOuter OPTIONAL,
    IN  POOL_TYPE               PoolType 
);

#endif  //_COMMON_H_