audiopin.h

完整的基于Conxant平台的USB电视棒的WIN驱动程序。

/*+++ *******************************************************************\ 
* 
*  Copyright and Disclaimer: 
*  
*     --------------------------------------------------------------- 
*     This software is provided "AS IS" without warranty of any kind, 
*     either expressed or implied, including but not limited to the 
*     implied warranties of noninfringement, merchantability and/or 
*     fitness for a particular purpose.
*     --------------------------------------------------------------- 
*   
*     Copyright (c) 2008 Conexant Systems, Inc. 
*     All rights reserved. 
*
\******************************************************************* ---*/ 

#ifndef _AUDIOPIN_H
#define _AUDIOPIN_H

#include "BasePin.h"


class AudioPin : public BasePin
{
public:
    static NTSTATUS dispatchCreate(PKSPIN p_ks_pin, PIRP p_irp);    

    static NTSTATUS AudioPin::static_IntersectHandler(
        PKSFILTER p_filter,
        PIRP p_irp,
        PKSP_PIN p_pin_instance,
        PKSDATARANGE p_caller_data_range,      //data range to verify.
        PKSDATARANGE p_descriptor_data,        //Our data range
        ULONG buffer_size,
        PVOID p_data,
        PULONG p_data_size);

    virtual void fillFrameInfo(PKSSTREAM_HEADER  p_strm_hdr, FIELD_TYPE field_type);

    virtual PIN_TYPES getPinType();

protected:
    virtual NTSTATUS  setState(KSSTATE to_state, KSSTATE from_state);

private:
    AudioPin(PKSPIN p_ks_pin, NTSTATUS &status);

};


extern const KSPIN_DISPATCH g_audio_pin_dispatch;

#endif