vbipin.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 _VBIPIN_H
#define _VBIPIN_H

#include "BasePin.h"

class VbiPin : public BasePin
{
public:

    static NTSTATUS dispatchCreate(PKSPIN p_ks_pin, PIRP p_irp);

    static NTSTATUS intersectRange( 
        PKSFILTER                p_filter,
        PIRP                     p_irp,
        PKSP_PIN                 p_pin_instance,
        PKS_DATARANGE_VIDEO_VBI  p_caller_range,
        PKS_DATARANGE_VIDEO_VBI  p_our_range,
        ULONG                    buffer_size,
        PVOID                    p_data,
        PULONG                   p_data_size);
    
    static NTSTATUS dispatchSetFormat(
        PKSPIN            p_ks_pin, 
        PKSDATAFORMAT     p_old_data_format,
        PKSMULTIPLE_ITEM  p_attr_list,
        PKSDATARANGE      p_range,
        PKSATTRIBUTE_LIST p_attr_range);
    
    // We need to pass tuner change info on to the CC decoder,
    // this is the method which notifies when to do so.
    VOID setTVInfo(PKS_TVTUNER_CHANGE_INFO p_tv_info);

    virtual VOID fillFrameInfo(PKSSTREAM_HEADER p_strm_hdr, FIELD_TYPE field_type); 

    virtual PIN_TYPES getPinType();

    virtual VOID start();
    virtual DWORD getLineSize();
    virtual DWORD getLinesPerFrame();


private:

    VbiPin(PKSPIN p_ks_pin, NTSTATUS &status);

private:
    KS_VBIINFOHEADER        _info_hdr;
    KS_TVTUNER_CHANGE_INFO  _tv_info;
    BOOLEAN                 _tv_info_changed;
    DWORD                   _lines_per_frame;
};


extern const KSPIN_DISPATCH VbiPinDispatch;

#endif