dscapturedriver.h

WinCE 3.0 BSP, 包含Inter SA1110, Intel_815E, Advantech_PCM9574 等

//////////////////////////////////////////////////////////////////////////////
/*****************************************************************************

	THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
	ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
	THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
	PARTICULAR PURPOSE.
	Copyright (c) 1995-2000 Microsoft Corporation

Module Name:

	DsCaptureDriverImp.h

Abstract:

	Declaration file for the 

			DsCaptureDriver

	class.


Revision History:

	coscor	7/5/2000 

*****************************************************************************/
//////////////////////////////////////////////////////////////////////////////

#pragma once

#ifndef DS_CAPTUREDRIVER_H__
#define DS_CAPTUREDRIVER_H__

#include "CX5530Audio.h"	// Added by ClassView

class DsCaptureDriver : public IDsCaptureDriver
{

public:

	//IUnknown implementation

    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *);
    STDMETHOD_(ULONG,AddRef)        (THIS);
    STDMETHOD_(ULONG,Release)       (THIS);
    
    //IDsCaptureDriver methods

    STDMETHOD(GetDriverDesc)        (THIS_ PDSDRIVERDESC );
    STDMETHOD(Open)                 (THIS );
    STDMETHOD(Close)                (THIS );
    STDMETHOD(GetCaps)              (THIS_ PDSCDRIVERCAPS );
    STDMETHOD(CreateCaptureBuffer)  (THIS_ LPWAVEFORMATEX, DWORD, DWORD, LPDWORD, LPBYTE *, LPVOID * );


	DsCaptureDriver(HRESULT &hr);
	~DsCaptureDriver();


	// Put any public data specific to the device here where the other classes
	// in the driver can access it.

private:

	CCX5530Audio* m_pCX5530;
	ULONG m_ulRefCount;

	// Since these will only be called from within this class, they do
	// not need to be published.
	

	// Put any private data specific to the device here.
	// Hide stuff here that the rest of the driver doesn't need to know about.

	bool m_bOpened;	//var. used to ensure device is opened before createsoundbuffer

	// Note that drivers need to be thread safe, so we must protect 
	// critical data so it works under access from multiple threads.

	CRITICAL_SECTION m_csSoundBuffer;

};


#endif // DS_CAPTUREDRIVER_H__