capturefilter.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. 
*
\******************************************************************* ---*/ 

extern "C" 
{
    #include <wdm.h>
}

#include <windef.h>
#include <ks.h>
#include <ksmedia.h>

typedef enum{
    CAPTURE_FILTER_VIDEO_IN = 0,
    CAPTURE_FILTER_AUDIO_IN,
    CAPTURE_FILTER_VIDEO_OUT
    // Since adding a feature of disable audio out pin, the Audio out and VBI out indexes 
    // have been removed. The VBI Out index now configured dynamically based on the 
	// DisableAudioOutPin registry key.
}CAPTURE_FILTER_PINS;

class CaptureFilter 
{
public:

    CaptureFilter(
        KSFILTER *p_ks_filter, 
        BOOLEAN use_mpeg1, 
        BOOLEAN is_ntsc, 
        BOOLEAN is_fullspeed,
        DWORD medium_id,
        DWORD vbi_pin_index);
    ~CaptureFilter();

    VOID setVideoOutPinCategories(DWORD pin_index, BOOLEAN is_ntsc, BOOLEAN is_fullspeed, BOOLEAN using_mpeg1 = FALSE);


    static NTSTATUS dispatchCreate( KSFILTER *p_ks_filter, IRP *p_irp );
    static NTSTATUS dispatchClose( KSFILTER *p_ks_filter, IRP *p_irp );

    static NTSTATUS setProcAmpProp( IRP                       *p_irp, 
                                    KSPROPERTY_VIDEOPROCAMP_S *p_in,
                                    KSPROPERTY_VIDEOPROCAMP_S *p_out );
    static NTSTATUS getProcAmpProp( IRP                       *p_irp, 
                                    KSPROPERTY_VIDEOPROCAMP_S *p_in,
                                    KSPROPERTY_VIDEOPROCAMP_S *p_out );

    static NTSTATUS setDecoderProp( IRP                       *p_irp, 
                                    KSPROPERTY_VIDEODECODER_S *p_in,
                                    KSPROPERTY_VIDEODECODER_S *p_out );
    static NTSTATUS getDecoderProp( IRP *p_irp, KSPROPERTY *p_ks_prop, 
                                    void *p_data );
private:

    KSFILTER  *_p_ks_filt;
    DWORD      _vbi_pin_index;
};



// externs:
extern 
const 
KSAUTOMATION_TABLE 
captureFilterAutomationTable;

extern
const
KSFILTER_DISPATCH
captureFilterDispatch;