videopin.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 _VIDEOPIN_H
#define _VIDEOPIN_H

#include "BasePin.h"
#include "FormatData.h"


class VideoPin : public BasePin
{
public:

    static NTSTATUS dispatchCreate(PKSPIN p_ks_pin, PIRP p_irp);    
    static NTSTATUS dispatchSetFormat( 
        PKSPIN            p_ks_pin, 
        PKSDATAFORMAT     p_format,
        PKSMULTIPLE_ITEM  p_attr_list,
        PKSDATARANGE      p_range,
        PKSATTRIBUTE_LIST p_attr_range);

    static NTSTATUS intersectRange( 
        PKSFILTER           p_filter,
        PIRP                p_irp,
        PKSP_PIN            p_pin_instance,
        PKS_DATARANGE_VIDEO p_caller_range,
        PKS_DATARANGE_VIDEO p_our_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();
    virtual DWORD getStride(){return _format.strideInBytes();}

    virtual VOID start();

    virtual DWORD getLineSize();
    virtual DWORD getLinesPerFrame();
    virtual BOOLEAN isSingleFieldStream();

private:

    VideoPin(PKSPIN p_ks_pin, NTSTATUS &status);
    
    KS_VIDEOINFOHEADER  _info_hdr;
    FormatData          _format;
};


extern const KSPIN_DISPATCH VideoPinDispatch;

#endif