bdatuner.h

winddk src目录下的WDM源码压缩!

    //

    STDMETHODIMP_(NTSTATUS)
    InitializeHW(
        );

    STDMETHODIMP_(NTSTATUS)
    GetStatus(
        PBDATUNER_DEVICE_STATUS     pDeviceStatus
        );

    STDMETHODIMP_(NTSTATUS)
    GetImplementationGUID(
        GUID *                      pguidImplementation
        )
    {
        if (pguidImplementation)
        {
            *pguidImplementation = m_guidImplemenation;
            return STATUS_SUCCESS;
        }
        else
        {
            return STATUS_INVALID_PARAMETER;
        }
    }

    STDMETHODIMP_(NTSTATUS)
    GetDeviceInstance(
        ULONG *                     pulDeviceInstance
        )
    {
        if (pulDeviceInstance)
        {
            *pulDeviceInstance = m_ulDeviceInstance;
            return STATUS_SUCCESS;
        }
        else
        {
            return STATUS_INVALID_PARAMETER;
        }
    }

    NTSTATUS
    AcquireResources(
        PBDATUNER_DEVICE_RESOURCE     pNewResource,
        PULONG                        pulAcquiredResourceID
        );

    NTSTATUS
    UpdateResources(
        PBDATUNER_DEVICE_RESOURCE     pNewResource,
        ULONG                         ulResourceID
        );

    NTSTATUS
    ReleaseResources(
        ULONG                   ulResourceID
        );


private:

    PKSDEVICE                 m_pKSDevice;

    GUID                      m_guidImplemenation;
    ULONG                     m_ulDeviceInstance;
    BDATUNER_DEVICE_RESOURCE  m_CurResource;
    ULONG                     m_ulCurResourceID; 
    ULONG                     m_ulcResourceUsers;
};


//
// Define the Input-pin class.
//
class CAntennaPin {
public:
    //
    //  Define the AVStream Pin Dispatch Functions
    //  Network provider and AVStream use these functions 
    //  to create or remove a pin instance or to change the pin's 
    //  state after the minidriver receives a connection state 
    //  property 'set' IOCTL. 
    //
    static
    STDMETHODIMP_(NTSTATUS)
    PinCreate(
        IN OUT PKSPIN Pin,
        IN PIRP Irp
        );

    static
    STDMETHODIMP_(NTSTATUS)
    PinClose(
        IN OUT PKSPIN Pin,
        IN PIRP Irp
        );

    static
    STDMETHODIMP_(NTSTATUS)
    PinSetDeviceState(
        IN PKSPIN Pin,
        IN KSSTATE ToState,
        IN KSSTATE FromState
        );

    //
    //  Define a data intersection handler function for the 
    //  pin (KSPIN_DESCRIPTOR_EX structure). 
    //  Network provider and AVStream use this function 
    //  to connect the input pin with an upstream filter.   
    //
    static
    STDMETHODIMP_(NTSTATUS)
    IntersectDataFormat(
        IN PVOID pContext,
        IN PIRP pIrp,
        IN PKSP_PIN Pin,
        IN PKSDATARANGE DataRange,
        IN PKSDATARANGE MatchingDataRange,
        IN ULONG DataBufferSize,
        OUT PVOID Data OPTIONAL,
        OUT PULONG DataSize
        );

    //
    //  Network provider and AVStream use these functions 
    //  to set and get properties of nodes that are controlled 
    //  by the input pin. 
    //
    static
    STDMETHODIMP_(NTSTATUS)
    GetCenterFrequency(
        IN PIRP         Irp,
        IN PKSPROPERTY  pKSProperty,
        IN PULONG       pulProperty
        );

    static
    STDMETHODIMP_(NTSTATUS)
    PutCenterFrequency(
        IN PIRP         Irp,
        IN PKSPROPERTY  pKSProperty,
        IN PULONG       pulProperty
        );

    static
    STDMETHODIMP_(NTSTATUS)
    GetSignalStatus(
        IN PIRP         Irp,
        IN PKSPROPERTY  pKSProperty,
        IN PULONG       pulProperty
        );


    //
    //  Utility functions for the pin
    //
    STDMETHODIMP_(class CFilter *)
    GetFilter() { return m_pFilter;};

    STDMETHODIMP_(void)
    SetFilter(class CFilter * pFilter) { m_pFilter = pFilter;};

private:
    class CFilter*  m_pFilter;
    ULONG           ulReserved;
    KSSTATE         m_KsState;

    //  Node Properties
    //
    BOOLEAN         m_fResourceChanged;
    ULONG           m_ulCurrentFrequency;
    ULONG           m_ulPendingFrequency;
};


//
// Define the Output-pin class.
//
class CTransportPin{
public:
    //
    //  Define the AVStream Pin Dispatch Functions
    //  Network provider and AVStream use these functions 
    //  to create or remove a pin instance or to change the pin's 
    //  state after the minidriver receives a connection state 
    //  property 'set' IOCTL. 
    //
    static
    STDMETHODIMP_(NTSTATUS)
    PinCreate(
        IN OUT PKSPIN Pin,
        IN PIRP Irp
        );

    static
    STDMETHODIMP_(NTSTATUS)
    PinClose(
        IN OUT PKSPIN Pin,
        IN PIRP Irp
        );

    //
    //  Define a data intersection handler function for the 
    //  pin (KSPIN_DESCRIPTOR_EX structure). 
    //  Network provider and AVStream use this function 
    //  to connect the output pin with a downstream filter.   
    //
    static
    STDMETHODIMP_(NTSTATUS)
    IntersectDataFormat(
        IN PVOID pContext,
        IN PIRP pIrp,
        IN PKSP_PIN Pin,
        IN PKSDATARANGE DataRange,
        IN PKSDATARANGE MatchingDataRange,
        IN ULONG DataBufferSize,
        OUT PVOID Data OPTIONAL,
        OUT PULONG DataSize
        );

    //
    //  BDA Signal Properties
    //
    static
    STDMETHODIMP_(NTSTATUS)
    GetSignalStatus(
        IN PIRP         Irp,
        IN PKSPROPERTY  pKSProperty,
        IN PULONG       pulProperty
        );

    static
    STDMETHODIMP_(NTSTATUS)
    PutAutoDemodProperty(
        IN PIRP         Irp,
        IN PKSPROPERTY  pKSProperty,
        IN PULONG       pulProperty
        );

#if !ATSC_RECEIVER
    static
    STDMETHODIMP_(NTSTATUS)
    GetDigitalDemodProperty(
        IN PIRP         Irp,
        IN PKSPROPERTY  pKSProperty,
        IN PULONG       pulProperty
        );

    static
    STDMETHODIMP_(NTSTATUS)
    PutDigitalDemodProperty(
        IN PIRP         Irp,
        IN PKSPROPERTY  pKSProperty,
        IN PULONG       pulProperty
        );
#endif // !ATSC_RECEIVER

    static
    STDMETHODIMP_(NTSTATUS)
    GetExtensionProperties(
        IN PIRP         Irp,
        IN PKSPROPERTY  pKSProperty,
        IN PULONG       pulProperty
        );

    static
    STDMETHODIMP_(NTSTATUS)
    PutExtensionProperties(
        IN PIRP         Irp,
        IN PKSPROPERTY  pKSProperty,
        IN PULONG       pulProperty
        );

    STDMETHODIMP_(class CFilter *)
    GetFilter() { return m_pFilter;};

    STDMETHODIMP_(void)
    SetFilter(class CFilter * pFilter) { m_pFilter = pFilter;};

private:
    class CFilter*  m_pFilter;
    ULONG           ulReserved;
    KSSTATE         m_KsState;

    //  Node Properties
    //
    BOOLEAN         m_fResourceChanged;
    ULONG           m_ulCurrentProperty1;
    ULONG           m_ulPendingProperty1;

    ULONG           m_ulCurrentProperty2;

    ULONG           m_ulCurrentProperty3;
    ULONG           m_ulPendingProperty3;
};

//
//  Topology Constants
//
typedef enum {
    PIN_TYPE_ANTENNA = 0,
    PIN_TYPE_TRANSPORT
} FilterPinTypes;

typedef enum {
    INITIAL_ANNTENNA_PIN_ID = 0
} InitialPinIDs;

//
//  Data declarations
//

extern const BDA_FILTER_TEMPLATE    BdaFilterTemplate;
extern const KSFILTER_DESCRIPTOR    InitialFilterDescriptor;
extern const KSFILTER_DESCRIPTOR    TemplateFilterDescriptor;