CBDADeviceControl Class Reference

Inheritance diagram for CBDADeviceControl:

Collaboration diagram for CBDADeviceControl:

Public Member Functions
STDMETHODIMP	QueryInterface (REFIID InterfaceId, PVOID *Interface)
	STDMETHODIMP_ (ULONG) AddRef()
	STDMETHODIMP_ (ULONG) Release()
HRESULT STDMETHODCALLTYPE	StartChanges (void)
HRESULT STDMETHODCALLTYPE	CheckChanges (void)
HRESULT STDMETHODCALLTYPE	CommitChanges (void)
HRESULT STDMETHODCALLTYPE	GetChangeState (ULONG *pState)
HRESULT STDMETHODCALLTYPE	GetNodeTypes (ULONG *pulcNodeTypes, ULONG ulcNodeTypesMax, ULONG *rgulNodeTypes)
HRESULT STDMETHODCALLTYPE	GetNodeDescriptors (ULONG *ulcNodeDescriptors, ULONG ulcNodeDescriptorsMax, BDANODE_DESCRIPTOR *rgNodeDescriptors)
HRESULT STDMETHODCALLTYPE	GetNodeInterfaces (ULONG ulNodeType, ULONG *pulcInterfaces, ULONG ulcInterfacesMax, GUID *rgguidInterfaces)
HRESULT STDMETHODCALLTYPE	GetPinTypes (ULONG *pulcPinTypes, ULONG ulcPinTypesMax, ULONG *rgulPinTypes)
HRESULT STDMETHODCALLTYPE	GetTemplateConnections (ULONG *pulcConnections, ULONG ulcConnectionsMax, BDA_TEMPLATE_CONNECTION *rgConnections)
HRESULT STDMETHODCALLTYPE	CreatePin (ULONG ulPinType, ULONG *pulPinId)
HRESULT STDMETHODCALLTYPE	DeletePin (ULONG ulPinId)
HRESULT STDMETHODCALLTYPE	SetMediaType (ULONG ulPinId, AM_MEDIA_TYPE *pMediaType)
HRESULT STDMETHODCALLTYPE	SetMedium (ULONG ulPinId, REGPINMEDIUM *pMedium)
HRESULT STDMETHODCALLTYPE	CreateTopology (ULONG ulInputPinId, ULONG ulOutputPinId)
HRESULT STDMETHODCALLTYPE	GetControlNode (ULONG ulInputPinId, ULONG ulOutputPinId, ULONG ulNodeType, IUnknown **ppControlNode)
	CBDADeviceControl (IUnknown *pUnkOuter, IBaseFilter *pFilter, HANDLE hFile)
virtual	~CBDADeviceControl ()
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()

Protected Attributes
LONG	m_Ref
IUnknown *	m_pUnkOuter
HANDLE	m_Handle
IBaseFilter *	m_pFilter

Additional Inherited Members
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN

Detailed Description

Definition at line 31 of file devicecontrol.cpp.

Constructor & Destructor Documentation

CBDADeviceControl()

CBDADeviceControl::CBDADeviceControl ( IUnknown *  pUnkOuter, IBaseFilter *  pFilter, HANDLE  hFile  )

inline

Definition at line 72 of file devicecontrol.cpp.

: m_Ref(0), m_pUnkOuter(pUnkOuter), m_Handle(hFile), m_pFilter(pFilter){};

~CBDADeviceControl()

virtual CBDADeviceControl::~CBDADeviceControl ( )

inlinevirtual

Definition at line 73 of file devicecontrol.cpp.

{};

Member Function Documentation

CheckChanges()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::CheckChanges

(

void

)

Implements IBDA_DeviceControl.

Definition at line 145 of file devicecontrol.cpp.

{
    KSMETHOD Method;
    HRESULT hr;
    ULONG BytesReturned;

    /* setup request */
    Method.Set = KSMETHODSETID_BdaChangeSync;
    Method.Id = KSMETHOD_BDA_CHECK_CHANGES;
    Method.Flags = KSMETHOD_TYPE_NONE;

    /* execute request */
    hr = KsSynchronousDeviceControl(m_Handle, IOCTL_KS_METHOD, (PVOID)&Method, sizeof(KSMETHOD), NULL, 0, &BytesReturned);

#ifdef BDAPLGIN_TRACE
    WCHAR Buffer[100];
    swprintf(Buffer, L"CBDADeviceControl::CheckChanges: hr %lx, BytesReturned %lu\n", hr, BytesReturned);
    OutputDebugStringW(Buffer);
#endif

    return hr;
}

CommitChanges()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::CommitChanges

(

void

)

Implements IBDA_DeviceControl.

Definition at line 171 of file devicecontrol.cpp.

{
    KSMETHOD Method;
    HRESULT hr;
    ULONG BytesReturned;

    /* setup request */
    Method.Set = KSMETHODSETID_BdaChangeSync;
    Method.Id = KSMETHOD_BDA_COMMIT_CHANGES;
    Method.Flags = KSMETHOD_TYPE_NONE;

    /* execute request */
    hr = KsSynchronousDeviceControl(m_Handle, IOCTL_KS_METHOD, (PVOID)&Method, sizeof(KSMETHOD), NULL, 0, &BytesReturned);

#ifdef BDAPLGIN_TRACE
    WCHAR Buffer[100];
    swprintf(Buffer, L"CBDADeviceControl::CommitChanges: hr %lx, BytesReturned %lu\n", hr, BytesReturned);
    OutputDebugStringW(Buffer);
#endif

    return hr;
}

CreatePin()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::CreatePin	(	ULONG	ulPinType,
		ULONG *	pulPinId
	)

Implements IBDA_Topology.

Definition at line 384 of file devicecontrol.cpp.

{
#ifdef BDAPLGIN_TRACE
    OutputDebugStringW(L"CBDADeviceControl::CreatePin: NotImplemented\n");
#endif

    return E_NOTIMPL;
}

CreateTopology()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::CreateTopology	(	ULONG	ulInputPinId,
		ULONG	ulOutputPinId
	)

Implements IBDA_Topology.

Definition at line 428 of file devicecontrol.cpp.

{
    KSM_BDA_PIN_PAIR Method;
    HRESULT hr;
    ULONG BytesReturned = 0;

    Method.Method.Flags  = KSMETHOD_TYPE_NONE;
    Method.Method.Id = KSMETHOD_BDA_CREATE_TOPOLOGY;
    Method.Method.Set = KSMETHODSETID_BdaDeviceConfiguration;
    Method.InputPinId = ulInputPinId;
    Method.OutputPinId = ulOutputPinId;

    hr = KsSynchronousDeviceControl(m_Handle, IOCTL_KS_METHOD, (PVOID)&Method, sizeof(KSM_BDA_PIN_PAIR), NULL, 0, &BytesReturned);

#ifdef BDAPLGIN_TRACE
    WCHAR Buffer[100];
    swprintf(Buffer, L"CBDADeviceControl::CreateTopology: hr %lx, BytesReturned %lu\n", hr, BytesReturned);
    OutputDebugStringW(Buffer);
#endif

    return hr;
}

DeletePin()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::DeletePin

(

ULONG

ulPinId

)

Implements IBDA_Topology.

Definition at line 395 of file devicecontrol.cpp.

{
#ifdef BDAPLGIN_TRACE
    OutputDebugStringW(L"CBDADeviceControl::DeletePin: NotImplemented\n");
#endif

    return E_NOTIMPL;
}

GetChangeState()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::GetChangeState

(

ULONG *

pState

)

Implements IBDA_DeviceControl.

Definition at line 196 of file devicecontrol.cpp.

{
    if (pState)
    {
        *pState = BDA_CHANGES_COMPLETE;
        return S_OK;
    }
    else
    {
        return E_POINTER;
    }
}

GetControlNode()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::GetControlNode	(	ULONG	ulInputPinId,
		ULONG	ulOutputPinId,
		ULONG	ulNodeType,
		IUnknown **	ppControlNode
	)

Implements IBDA_Topology.

Definition at line 453 of file devicecontrol.cpp.

{
    HRESULT hr;
    ULONG PinId = 0;
    ULONG BytesReturned;
    KSP_BDA_NODE_PIN Property;

    //setup request
    Property.Property.Set = KSPROPSETID_BdaTopology;
    Property.Property.Id = KSPROPERTY_BDA_CONTROLLING_PIN_ID;
    Property.Property.Flags = KSPROPERTY_TYPE_GET;
    Property.ulInputPinId = ulInputPinId;
    Property.ulOutputPinId = ulOutputPinId;
    Property.ulNodeType = ulNodeType;

    // perform request
    // WinXP SP3 expects minimum sizeof(KSP_BDA_NODE_PIN) + sizeof(ULONG)
    // seems a driver to be a driver bug

    hr = KsSynchronousDeviceControl(m_Handle, IOCTL_KS_PROPERTY, (PVOID)&Property, sizeof(KSP_BDA_NODE_PIN) + sizeof(ULONG), &PinId, sizeof(ULONG), &BytesReturned);

#ifdef BDAPLGIN_TRACE
    WCHAR Buffer[200];
    swprintf(Buffer, L"CBDADeviceControl::GetControlNode: hr %lx, BytesReturned %lu PinId %lu ulInputPinId %lu ulOutputPinId %lu ulNodeType %lu\n", hr, BytesReturned, PinId, ulInputPinId, ulOutputPinId, ulNodeType);
    OutputDebugStringW(Buffer);
#endif

    if (FAILED(hr))
        return hr;

    hr = CControlNode_fnConstructor(m_pFilter, ulNodeType, PinId, IID_IUnknown, (LPVOID*)ppControlNode);

#ifdef BDAPLGIN_TRACE
    swprintf(Buffer, L"CBDADeviceControl::GetControlNode: hr %lx\n", hr);
    OutputDebugStringW(Buffer);
#endif

    return hr;
}

GetNodeDescriptors()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::GetNodeDescriptors	(	ULONG *	ulcNodeDescriptors,
		ULONG	ulcNodeDescriptorsMax,
		BDANODE_DESCRIPTOR *	rgNodeDescriptors
	)

Implements IBDA_Topology.

Definition at line 250 of file devicecontrol.cpp.

{
    KSPROPERTY Property;
    HRESULT hr;
    ULONG BytesReturned;


    // setup request
    Property.Set = KSPROPSETID_BdaTopology;
    Property.Id = KSPROPERTY_BDA_NODE_DESCRIPTORS;
    Property.Flags = KSPROPERTY_TYPE_GET;

    // perform request
    hr = KsSynchronousDeviceControl(m_Handle, IOCTL_KS_PROPERTY, (PVOID)&Property, sizeof(KSPROPERTY), rgNodeDescriptors, sizeof(BDANODE_DESCRIPTOR) * ulcNodeDescriptorsMax, &BytesReturned);

    *ulcNodeDescriptors = (BytesReturned / sizeof(BDANODE_DESCRIPTOR));

#ifdef BDAPLGIN_TRACE
    WCHAR Buffer[1000];
    swprintf(Buffer, L"CBDADeviceControl::GetNodeDescriptors: hr %lx, BytesReturned %lu\n", hr, BytesReturned);
    OutputDebugStringW(Buffer);


    if (SUCCEEDED(hr))
    {
        for(ULONG Index = 0; Index < min(*ulcNodeDescriptors, ulcNodeDescriptorsMax); Index++)
        {
            LPOLESTR pGUIDFunction, pGUIDName;

            StringFromCLSID(rgNodeDescriptors[Index].guidFunction, &pGUIDFunction);
            StringFromCLSID(rgNodeDescriptors[Index].guidName, &pGUIDName);

            swprintf(Buffer, L"CBDADeviceControl::GetPinTypes: Index %lu Value %lx\nFunction %s\n Name %s\n-----\n", Index, rgNodeDescriptors[Index].ulBdaNodeType, pGUIDFunction, pGUIDName);
            OutputDebugStringW(Buffer);
        }
    }
#endif


    return hr;
}

GetNodeInterfaces()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::GetNodeInterfaces	(	ULONG	ulNodeType,
		ULONG *	pulcInterfaces,
		ULONG	ulcInterfacesMax,
		GUID *	rgguidInterfaces
	)

Implements IBDA_Topology.

Definition at line 294 of file devicecontrol.cpp.

{
    KSP_NODE Property;
    HRESULT hr;
    ULONG BytesReturned;


    // setup request
    Property.Property.Set = KSPROPSETID_BdaTopology;
    Property.Property.Id = KSPROPERTY_BDA_NODE_PROPERTIES;
    Property.Property.Flags = KSPROPERTY_TYPE_GET;
    Property.NodeId = ulNodeType;
    Property.Reserved = 0;

    // perform request
    hr = KsSynchronousDeviceControl(m_Handle, IOCTL_KS_PROPERTY, (PVOID)&Property, sizeof(KSP_NODE), rgguidInterfaces, sizeof(GUID) * ulcInterfacesMax, &BytesReturned);

    *pulcInterfaces = (BytesReturned / sizeof(GUID));

#ifdef BDAPLGIN_TRACE
    WCHAR Buffer[100];
    swprintf(Buffer, L"CBDADeviceControl::GetNodeInterfaces: hr %lx, BytesReturned %lu ulNodeType %lu\n", hr, BytesReturned, ulNodeType);
    OutputDebugStringW(Buffer);

    if (SUCCEEDED(hr))
    {
        for(ULONG Index = 0; Index < min(*pulcInterfaces, ulcInterfacesMax); Index++)
        {
            LPOLESTR pstr;

            StringFromCLSID(rgguidInterfaces[Index], &pstr);

            swprintf(Buffer, L"CBDADeviceControl::GetNodeInterfaces: Index %lu Name %s\n", Index, pstr);
            OutputDebugStringW(Buffer);
        }
    }
#endif

    return hr;
}

GetNodeTypes()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::GetNodeTypes	(	ULONG *	pulcNodeTypes,
		ULONG	ulcNodeTypesMax,
		ULONG *	rgulNodeTypes
	)

Implements IBDA_Topology.

Definition at line 214 of file devicecontrol.cpp.

{
    KSPROPERTY Property;
    HRESULT hr;
    ULONG BytesReturned;

    // setup request
    Property.Set = KSPROPSETID_BdaTopology;
    Property.Id = KSPROPERTY_BDA_NODE_TYPES;
    Property.Flags = KSPROPERTY_TYPE_GET;

    // perform request
    hr = KsSynchronousDeviceControl(m_Handle, IOCTL_KS_PROPERTY, (PVOID)&Property, sizeof(KSPROPERTY), rgulNodeTypes, sizeof(ULONG) * ulcNodeTypesMax, &BytesReturned);

    *pulcNodeTypes = (BytesReturned / sizeof(ULONG));

#ifdef BDAPLGIN_TRACE
    WCHAR Buffer[100];
    swprintf(Buffer, L"CBDADeviceControl::GetNodeTypes: hr %lx, BytesReturned %lu\n", hr, BytesReturned);
    OutputDebugStringW(Buffer);

    if (SUCCEEDED(hr))
    {
        for(ULONG Index = 0; Index < *pulcNodeTypes; Index++)
        {
            swprintf(Buffer, L"CBDADeviceControl::GetPinTypes: Index %lu Value %lx\n", Index, rgulNodeTypes[Index]);
            OutputDebugStringW(Buffer);
        }
    }
#endif

    return hr;
}

GetPinTypes()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::GetPinTypes	(	ULONG *	pulcPinTypes,
		ULONG	ulcPinTypesMax,
		ULONG *	rgulPinTypes
	)

Implements IBDA_Topology.

Definition at line 337 of file devicecontrol.cpp.

{
    KSPROPERTY Property;
    HRESULT hr;
    ULONG BytesReturned;

    // setup request
    Property.Set = KSPROPSETID_BdaTopology;
    Property.Id = KSPROPERTY_BDA_PIN_TYPES;
    Property.Flags = KSPROPERTY_TYPE_GET;

    // perform request
    hr = KsSynchronousDeviceControl(m_Handle, IOCTL_KS_PROPERTY, (PVOID)&Property, sizeof(KSPROPERTY), rgulPinTypes, sizeof(ULONG) * ulcPinTypesMax, &BytesReturned);

    *pulcPinTypes = (BytesReturned / sizeof(ULONG));

#ifdef BDAPLGIN_TRACE
    WCHAR Buffer[100];
    swprintf(Buffer, L"CBDADeviceControl::GetPinTypes: hr %lx, BytesReturned %lu\n", hr, BytesReturned);
    OutputDebugStringW(Buffer);

    if (SUCCEEDED(hr))
    {
        for(ULONG Index = 0; Index < *pulcPinTypes; Index++)
        {
            swprintf(Buffer, L"CBDADeviceControl::GetPinTypes: Index %lu Value %lx\n", Index, rgulPinTypes[Index]);
            OutputDebugStringW(Buffer);
        }
    }
#endif

    return hr;
}

GetTemplateConnections()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::GetTemplateConnections	(	ULONG *	pulcConnections,
		ULONG	ulcConnectionsMax,
		BDA_TEMPLATE_CONNECTION *	rgConnections
	)

Implements IBDA_Topology.

Definition at line 373 of file devicecontrol.cpp.

{
#ifdef BDAPLGIN_TRACE
    OutputDebugStringW(L"CBDADeviceControl::GetTemplateConnections: NotImplemented\n");
#endif

    return E_NOTIMPL;
}

QueryInterface()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::QueryInterface	(	REFIID	InterfaceId,
		PVOID *	Interface
	)

Definition at line 84 of file devicecontrol.cpp.

{
    *Output = NULL;

    if (IsEqualGUID(refiid, IID_IUnknown))
    {
        *Output = PVOID(this);
        reinterpret_cast<IUnknown*>(*Output)->AddRef();
        return NOERROR;
    }
    if (IsEqualGUID(refiid, IID_IBDA_DeviceControl))
    {
        *Output = (IBDA_DeviceControl*)(this);
        reinterpret_cast<IBDA_DeviceControl*>(*Output)->AddRef();
        return NOERROR;
    }

    if (IsEqualGUID(refiid, IID_IBDA_Topology))
    {
        *Output = (IBDA_Topology*)(this);
        reinterpret_cast<IBDA_Topology*>(*Output)->AddRef();
        return NOERROR;
    }

    return E_NOINTERFACE;
}

SetMediaType()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::SetMediaType	(	ULONG	ulPinId,
		AM_MEDIA_TYPE *	pMediaType
	)

Implements IBDA_Topology.

Definition at line 406 of file devicecontrol.cpp.

{
#ifdef BDAPLGIN_TRACE
    OutputDebugStringW(L"CBDADeviceControl::SetMediaType: NotImplemented\n");
#endif

    return E_NOTIMPL;
}

SetMedium()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::SetMedium	(	ULONG	ulPinId,
		REGPINMEDIUM *	pMedium
	)

Implements IBDA_Topology.

Definition at line 417 of file devicecontrol.cpp.

{
#ifdef BDAPLGIN_TRACE
    OutputDebugStringW(L"CBDADeviceControl::SetMedium: NotImplemented\n");
#endif

    return E_NOTIMPL;
}

StartChanges()

HRESULT STDMETHODCALLTYPE CBDADeviceControl::StartChanges

(

void

)

Implements IBDA_DeviceControl.

Definition at line 119 of file devicecontrol.cpp.

{
    KSMETHOD Method;
    HRESULT hr;
    ULONG BytesReturned;

    /* setup request */
    Method.Set = KSMETHODSETID_BdaChangeSync;
    Method.Id = KSMETHOD_BDA_START_CHANGES;
    Method.Flags = KSMETHOD_TYPE_NONE;

    /* execute request */
    hr = KsSynchronousDeviceControl(m_Handle, IOCTL_KS_METHOD, (PVOID)&Method, sizeof(KSMETHOD), NULL, 0, &BytesReturned);

#ifdef BDAPLGIN_TRACE
    WCHAR Buffer[100];
    swprintf(Buffer, L"CBDADeviceControl::StartChanges: hr %lx, BytesReturned %lu\n", hr, BytesReturned);
    OutputDebugStringW(Buffer);
#endif

    return hr;
}

STDMETHODIMP_() [1/2]

CBDADeviceControl::STDMETHODIMP_ ( ULONG  )

inline

Definition at line 37 of file devicecontrol.cpp.

    {
        InterlockedIncrement(&m_Ref);
        return m_Ref;
    }

STDMETHODIMP_() [2/2]

CBDADeviceControl::STDMETHODIMP_ ( ULONG  )

inline

Definition at line 42 of file devicecontrol.cpp.

    {
        InterlockedDecrement(&m_Ref);
        if (!m_Ref)
        {
            delete this;
            return 0;
        }
        return m_Ref;
    }

Member Data Documentation

m_Handle

HANDLE CBDADeviceControl::m_Handle

protected

Definition at line 78 of file devicecontrol.cpp.

Referenced by CheckChanges(), CommitChanges(), CreateTopology(), GetControlNode(), GetNodeDescriptors(), GetNodeInterfaces(), GetNodeTypes(), GetPinTypes(), and StartChanges().

m_pFilter

IBaseFilter* CBDADeviceControl::m_pFilter

protected

Definition at line 79 of file devicecontrol.cpp.

Referenced by GetControlNode().

m_pUnkOuter

IUnknown* CBDADeviceControl::m_pUnkOuter

protected

Definition at line 77 of file devicecontrol.cpp.

m_Ref

LONG CBDADeviceControl::m_Ref

protected

Definition at line 73 of file devicecontrol.cpp.

Referenced by STDMETHODIMP_().

---

The documentation for this class was generated from the following file:

• dll/directx/bdaplgin/devicecontrol.cpp