MIXER_STATUS
MMixerFindAudioDataRange(
PKSMULTIPLE_ITEM MultipleItem,
PKSDATARANGE_AUDIO * OutDataRangeAudio)
{
ULONG Index;
PKSDATARANGE_AUDIO DataRangeAudio;
PKSDATARANGE DataRange;
DataRange = (PKSDATARANGE) (MultipleItem + 1);
for(Index = 0; Index < MultipleItem->Count; Index++)
{
if (DataRange->FormatSize == sizeof(KSDATARANGE_AUDIO))
{
DataRangeAudio = (PKSDATARANGE_AUDIO)DataRange;
if (IsEqualGUIDAligned(&DataRangeAudio->DataRange.MajorFormat, &KSDATAFORMAT_TYPE_AUDIO) &&
IsEqualGUIDAligned(&DataRangeAudio->DataRange.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM) &&
IsEqualGUIDAligned(&DataRangeAudio->DataRange.Specifier, &KSDATAFORMAT_SPECIFIER_WAVEFORMATEX))
{
DPRINT("Min Sample %u Max Sample %u Min Bits %u Max Bits %u Max Channel %u\n", DataRangeAudio->MinimumSampleFrequency, DataRangeAudio->MaximumSampleFrequency,
DataRangeAudio->MinimumBitsPerSample, DataRangeAudio->MaximumBitsPerSample, DataRangeAudio->MaximumChannels);
*OutDataRangeAudio = DataRangeAudio;
return MM_STATUS_SUCCESS;
}
}
DataRange = (PKSDATARANGE)((ULONG_PTR)DataRange + DataRange->FormatSize);
}
return MM_STATUS_UNSUCCESSFUL;
}
VOID
MMixerIsNodeTerminator(
IN PTOPOLOGY Topology,
IN ULONG NodeIndex,
OUT ULONG * bTerminator)
{
/* sanity check */
ASSERT(NodeIndex < Topology->TopologyNodesCount);
/* check if node has multiple parents */
if (Topology->TopologyNodes[NodeIndex].NodeConnectedFromCount > 1)
{
/* node is connected to multiple other nodes */
*bTerminator = TRUE;
/* done */
return;
}
/* check if node is mux / sum node */
if (IsEqualGUIDAligned(&Topology->TopologyNodes[NodeIndex].NodeType, &KSNODETYPE_SUM) ||
IsEqualGUIDAligned(&Topology->TopologyNodes[NodeIndex].NodeType, &KSNODETYPE_MUX))
{
/* classic terminator */
*bTerminator = TRUE;
/* done */
return;
}
/* node is not a terminator */
*bTerminator = FALSE;
}
STDMETHODIMP_(NTSTATUS) CCMIAdapter::NonDelegatingQueryInterface(REFIID Interface, PVOID* Object)
{
PAGED_CODE();
DBGPRINT(("CCMIAdapter[%p]::NonDelegatingQueryInterface()", this));
ASSERT(Object);
// Is it IID_IUnknown?
if (IsEqualGUIDAligned (Interface, IID_IUnknown)) {
*Object = (PVOID)(PUNKNOWN)(PCMIADAPTER)this;
}
else
// or IID_IAdapterCommon ...
if (IsEqualGUIDAligned (Interface, IID_ICMIAdapter)) {
*Object = (PVOID)(PCMIADAPTER)this;
} else
// or IID_IAdapterPowerManagement ...
if (IsEqualGUIDAligned (Interface, IID_IAdapterPowerManagement)) {
*Object = (PVOID)(PADAPTERPOWERMANAGEMENT)this;
} else {
// nothing found, must be an unknown interface.
*Object = NULL;
return STATUS_INVALID_PARAMETER;
}
//
// We reference the interface for the caller.
//
((PUNKNOWN)*Object)->AddRef();
return STATUS_SUCCESS;
}
STDMETHODIMP WaveStream::NonDelegatingQueryInterface(IN REFIID Interface,OUT PVOID *Object)
{
PAGED_CODE();
ASSERT(Object);
if (IsEqualGUIDAligned(Interface,IID_IUnknown))
{
*Object = PVOID(PUNKNOWN(PMINIPORTWAVERTSTREAM(this)));
}
else
if (IsEqualGUIDAligned(Interface,IID_IMiniportWaveRTStream))
{
*Object = PVOID(PMINIPORTWAVERTSTREAM(this));
}
else
if (IsEqualGUIDAligned(Interface,IID_IMiniportWaveRTStreamNotification))
{
*Object = PVOID(PMINIPORTWAVERTSTREAMNOTIFICATION(this));
}
else
{
*Object = NULL;
}
if (*Object)
{
PUNKNOWN(*Object)->AddRef();
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
}
//==================================================================================================================================
NTSTATUS
NTAPI
CPortPinWavePci::QueryInterface(
IN REFIID refiid,
OUT PVOID* Output)
{
//DPRINT("CPortPinWavePci::QueryInterface entered\n");
if (IsEqualGUIDAligned(refiid, IID_IIrpTarget) ||
IsEqualGUIDAligned(refiid, IID_IUnknown))
{
*Output = PVOID(PUNKNOWN((IIrpTarget*)this));
PUNKNOWN(*Output)->AddRef();
return STATUS_SUCCESS;
}
if (IsEqualGUIDAligned(refiid, IID_IServiceSink))
{
*Output = PVOID(PSERVICESINK(this));
PUNKNOWN(*Output)->AddRef();
return STATUS_SUCCESS;
}
if (IsEqualGUIDAligned(refiid, IID_IPortWavePciStream))
{
*Output = PVOID(PPORTWAVEPCISTREAM(this));
PUNKNOWN(*Output)->AddRef();
return STATUS_SUCCESS;
}
return STATUS_UNSUCCESSFUL;
}
CMiniportWaveCyclic::NonDelegatingQueryInterface
(
IN REFIID Interface,
OUT PVOID * Object
)
/*++
Routine Description:
QueryInterface
Arguments:
Interface - GUID
Object - interface pointer to be returned.
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(Object);
if (IsEqualGUIDAligned(Interface, IID_IUnknown))
{
*Object = PVOID(PUNKNOWN(PMINIPORTWAVECYCLIC(this)));
}
else if (IsEqualGUIDAligned(Interface, IID_IMiniport))
{
*Object = PVOID(PMINIPORT(this));
}
else if (IsEqualGUIDAligned(Interface, IID_IMiniportWaveCyclic))
{
*Object = PVOID(PMINIPORTWAVECYCLIC(this));
}
else if (IsEqualGUIDAligned(Interface, IID_IPinCount))
{
*Object = PVOID(PPINCOUNT(this));
}
else
{
*Object = NULL;
}
if (*Object)
{
// We reference the interface for the caller.
PUNKNOWN(*Object)->AddRef();
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
} // NonDelegatingQueryInterface
NTSTATUS
NTAPI
CPortTopology::QueryInterface(
IN REFIID refiid,
OUT PVOID* Output)
{
UNICODE_STRING GuidString;
DPRINT("IPortTopology_fnQueryInterface\n");
if (IsEqualGUIDAligned(refiid, IID_IPortTopology) ||
IsEqualGUIDAligned(refiid, IID_IPort) ||
IsEqualGUIDAligned(refiid, IID_IUnknown))
{
*Output = PVOID(PUNKNOWN((IPortTopology*)this));
PUNKNOWN(*Output)->AddRef();
return STATUS_SUCCESS;
}
else if (IsEqualGUIDAligned(refiid, IID_IPortEvents))
{
*Output = PVOID(PPORTEVENTS(this));
PUNKNOWN(*Output)->AddRef();
return STATUS_SUCCESS;
}
else if (IsEqualGUIDAligned(refiid, IID_ISubdevice))
{
*Output = PVOID(PSUBDEVICE(this));
PUNKNOWN(*Output)->AddRef();
return STATUS_SUCCESS;
}
else if (IsEqualGUIDAligned(refiid, IID_IPortClsVersion))
{
return NewPortClsVersion((PPORTCLSVERSION*)Output);
}
else if (IsEqualGUIDAligned(refiid, IID_IDrmPort) ||
IsEqualGUIDAligned(refiid, IID_IDrmPort2))
{
return NewIDrmPort((PDRMPORT2*)Output);
}
else if (IsEqualGUIDAligned(refiid, IID_IUnregisterSubdevice))
{
return NewIUnregisterSubdevice((PUNREGISTERSUBDEVICE*)Output);
}
else if (IsEqualGUIDAligned(refiid, IID_IUnregisterPhysicalConnection))
{
return NewIUnregisterPhysicalConnection((PUNREGISTERPHYSICALCONNECTION*)Output);
}
if (RtlStringFromGUID(refiid, &GuidString) == STATUS_SUCCESS)
{
DPRINT1("IPortTopology_fnQueryInterface no interface!!! iface %S\n", GuidString.Buffer);
RtlFreeUnicodeString(&GuidString);
}
return STATUS_UNSUCCESSFUL;
}
//=============================================================================
STDMETHODIMP
CMiniportTopology::NonDelegatingQueryInterface
(
IN REFIID Interface,
OUT PVOID * Object
)
/*++
Routine Description:
QueryInterface for MiniportTopology
Arguments:
Interface - GUID of the interface
Object - interface object to be returned.
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(Object);
if (IsEqualGUIDAligned(Interface, IID_IUnknown))
{
*Object = PVOID(PUNKNOWN(this));
}
else if (IsEqualGUIDAligned(Interface, IID_IMiniport))
{
*Object = PVOID(PMINIPORT(this));
}
else if (IsEqualGUIDAligned(Interface, IID_IMiniportTopology))
{
*Object = PVOID(PMINIPORTTOPOLOGY(this));
}
else
{
*Object = NULL;
}
if (*Object)
{
// We reference the interface for the caller.
PUNKNOWN(*Object)->AddRef();
return(STATUS_SUCCESS);
}
return(STATUS_INVALID_PARAMETER);
} // NonDelegatingQueryInterface
PWAVEFORMATEX
GetWaveFormatEx
(
_In_ PKSDATAFORMAT pDataFormat
)
/*++
Routine Description:
Returns the waveformatex for known formats.
Arguments:
pDataFormat - data format.
Return Value:
waveformatex in DataFormat.
NULL for unknown data formats.
--*/
{
PAGED_CODE();
PWAVEFORMATEX pWfx = NULL;
// If this is a known dataformat extract the waveformat info.
//
if
(
pDataFormat &&
( IsEqualGUIDAligned(pDataFormat->MajorFormat,
KSDATAFORMAT_TYPE_AUDIO) &&
( IsEqualGUIDAligned(pDataFormat->Specifier,
KSDATAFORMAT_SPECIFIER_WAVEFORMATEX) ||
IsEqualGUIDAligned(pDataFormat->Specifier,
KSDATAFORMAT_SPECIFIER_DSOUND) ) )
)
{
pWfx = PWAVEFORMATEX(pDataFormat + 1);
if (IsEqualGUIDAligned(pDataFormat->Specifier,
KSDATAFORMAT_SPECIFIER_DSOUND))
{
PKSDSOUND_BUFFERDESC pwfxds;
pwfxds = PKSDSOUND_BUFFERDESC(pDataFormat + 1);
pWfx = &pwfxds->WaveFormatEx;
}
}
return pWfx;
} // GetWaveFormatEx
CMiniportWaveCyclicStream::NonDelegatingQueryInterface
(
IN REFIID Interface,
OUT PVOID * Object
)
/*++
Routine Description:
QueryInterface
Arguments:
Interface - GUID
Object - interface pointer to be returned
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(Object);
if (IsEqualGUIDAligned(Interface, IID_IUnknown))
{
*Object = PVOID(PUNKNOWN(PMINIPORTWAVECYCLICSTREAM(this)));
}
else if (IsEqualGUIDAligned(Interface, IID_IMiniportWaveCyclicStream))
{
*Object = PVOID(PMINIPORTWAVECYCLICSTREAM(this));
}
else if (IsEqualGUIDAligned(Interface, IID_IDmaChannel))
{
*Object = PVOID(PDMACHANNEL(this));
}
else
{
*Object = NULL;
}
if (*Object)
{
PUNKNOWN(*Object)->AddRef();
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
} // NonDelegatingQueryInterface
VOID
MMixerCheckFilterPinMidiSupport(
IN PMIXER_CONTEXT MixerContext,
IN PMIXER_LIST MixerList,
IN LPMIXER_DATA MixerData,
IN ULONG PinId,
IN PKSMULTIPLE_ITEM MultipleItem,
IN LPWSTR szPname)
{
ULONG Index;
PKSDATARANGE DataRange;
KSPIN_COMMUNICATION Communication;
KSPIN_DATAFLOW DataFlow;
/* get first datarange */
DataRange = (PKSDATARANGE)(MultipleItem + 1);
/* alignment assert */
ASSERT(((ULONG_PTR)DataRange & 0x7) == 0);
/* iterate through all data ranges */
for(Index = 0; Index < MultipleItem->Count; Index++)
{
if (IsEqualGUIDAligned(&DataRange->MajorFormat, &KSDATAFORMAT_TYPE_MUSIC) &&
IsEqualGUIDAligned(&DataRange->SubFormat, &KSDATAFORMAT_SUBTYPE_MIDI) &&
IsEqualGUIDAligned(&DataRange->Specifier, &KSDATAFORMAT_SPECIFIER_NONE))
{
/* pin supports midi datarange */
if (MMixerGetPinDataFlowAndCommunication(MixerContext, MixerData->hDevice, PinId, &DataFlow, &Communication) == MM_STATUS_SUCCESS)
{
if (DataFlow == KSPIN_DATAFLOW_IN && Communication == KSPIN_COMMUNICATION_SINK)
{
MMixerAddMidiPin(MixerContext, MixerList, MixerData->DeviceId, PinId, FALSE, szPname);
}
else if (DataFlow == KSPIN_DATAFLOW_OUT && Communication == KSPIN_COMMUNICATION_SOURCE)
{
MMixerAddMidiPin(MixerContext, MixerList, MixerData->DeviceId, PinId, TRUE, szPname);
}
}
}
/* move to next datarange */
DataRange = (PKSDATARANGE)((ULONG_PTR)DataRange + DataRange->FormatSize);
/* alignment assert */
ASSERT(((ULONG_PTR)DataRange & 0x7) == 0);
/* data ranges are 64-bit aligned */
DataRange = (PVOID)(((ULONG_PTR)DataRange + 0x7) & ~0x7);
}
}
NTSTATUS
NTAPI
IKsFilterFactory_fnQueryInterface(
IKsFilterFactory * iface,
IN REFIID refiid,
OUT PVOID* Output)
{
NTSTATUS Status;
IKsFilterFactoryImpl * This = (IKsFilterFactoryImpl*)CONTAINING_RECORD(iface, IKsFilterFactoryImpl, Header.OuterUnknown);
if (IsEqualGUIDAligned(refiid, &IID_IUnknown))
{
*Output = &This->Header.OuterUnknown;
_InterlockedIncrement(&This->ref);
return STATUS_SUCCESS;
}
if (This->Header.ClientAggregate)
{
/* using client aggregate */
Status = This->Header.ClientAggregate->lpVtbl->QueryInterface(This->Header.ClientAggregate, refiid, Output);
if (NT_SUCCESS(Status))
{
/* client aggregate supports interface */
return Status;
}
}
DPRINT("IKsFilterFactory_fnQueryInterface no interface\n");
return STATUS_NOT_SUPPORTED;
}
NTSTATUS
NTAPI
DeviceInterfaceChangeCallback(
IN PVOID NotificationStructure,
IN PVOID Context)
{
DEVICE_INTERFACE_CHANGE_NOTIFICATION * Event;
NTSTATUS Status = STATUS_SUCCESS;
PDEVICE_OBJECT DeviceObject = (PDEVICE_OBJECT)Context;
Event = (DEVICE_INTERFACE_CHANGE_NOTIFICATION*)NotificationStructure;
if (IsEqualGUIDAligned(&Event->Event,
&GUID_DEVICE_INTERFACE_ARRIVAL))
{
Status = InsertAudioDevice(DeviceObject, Event->SymbolicLinkName);
return Status;
}
else
{
DPRINT("Remove interface to audio device!\n");
UNIMPLEMENTED
return STATUS_SUCCESS;
}
}
/*****************************************************************************
* CUnknown::NonDelegatingQueryInterface()
*****************************************************************************
* Obtains an interface.
*/
STDMETHODIMP CUnknown::NonDelegatingQueryInterface
(
REFIID rIID,
PVOID * ppVoid
)
{
ASSERT(ppVoid);
if (IsEqualGUIDAligned(rIID,IID_IUnknown))
{
*ppVoid = PVOID(PUNKNOWN(this));
}
else
{
*ppVoid = NULL;
}
if (*ppVoid)
{
PUNKNOWN(*ppVoid)->AddRef();
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
}
NTSTATUS
NTAPI
IKsDevice_fnQueryInterface(
IN IKsDevice * iface,
REFIID refiid,
PVOID* Output)
{
NTSTATUS Status;
PKSIDEVICE_HEADER This = (PKSIDEVICE_HEADER)CONTAINING_RECORD(iface, KSIDEVICE_HEADER, BasicHeader.OuterUnknown);
if (IsEqualGUIDAligned(refiid, &IID_IUnknown))
{
*Output = &This->BasicHeader.OuterUnknown;
_InterlockedIncrement(&This->ref);
return STATUS_SUCCESS;
}
if (This->BasicHeader.ClientAggregate)
{
/* using client aggregate */
Status = This->BasicHeader.ClientAggregate->lpVtbl->QueryInterface(This->BasicHeader.ClientAggregate, refiid, Output);
if (NT_SUCCESS(Status))
{
/* client aggregate supports interface */
return Status;
}
}
DPRINT("IKsDevice_fnQueryInterface no interface\n");
return STATUS_NOT_SUPPORTED;
}
/*****************************************************************************
* CMidiFilterFactory::NonDelegatingQueryInterface()
*****************************************************************************
*//*!
* @brief
* Obtains an interface.
* @details
* This function works just like a COM QueryInterface call and is used if
* the object is not being aggregated.
* @param
* Interface The GUID of the interface to be retrieved.
* @param
* Object Pointer to the location to store the retrieved interface object.
* @return
* Returns STATUS_SUCCESS if the interface is found. Otherwise, returns
* STATUS_INVALID_PARAMETER.
*/
STDMETHODIMP
CMidiFilterFactory::
NonDelegatingQueryInterface
(
IN REFIID Interface,
OUT PVOID * Object
)
{
PAGED_CODE();
ASSERT(Object);
_DbgPrintF(DEBUGLVL_BLAB,("[CMidiFilterFactory::NonDelegatingQueryInterface]"));
if (IsEqualGUIDAligned(Interface,IID_IUnknown))
{
*Object = PVOID(PUNKNOWN(this));
}
else
{
*Object = NULL;
}
if (*Object)
{
//
// We reference the interface for the caller.
//
PUNKNOWN(*Object)->AddRef();
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
}
//=============================================================================
NTSTATUS PropertyHandler_TopoFilter(IN PPCPROPERTY_REQUEST PropertyRequest)
/*++
Routine Description:
Redirects property request to miniport object
Arguments:
PropertyRequest -
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(PropertyRequest);
DPF_ENTER(("[PropertyHandler_TopoFilter]"));
// PropertryRequest structure is filled by portcls.
// MajorTarget is a pointer to miniport object for miniports.
//
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
PCMiniportTopology pMiniport = (PCMiniportTopology)PropertyRequest->MajorTarget;
if (IsEqualGUIDAligned(*PropertyRequest->PropertyItem->Set, KSPROPSETID_Jack) && (PropertyRequest->PropertyItem->Id == KSPROPERTY_JACK_DESCRIPTION)) {
ntStatus = pMiniport->PropertyHandlerJackDescription(PropertyRequest);
}
return ntStatus;
} // PropertyHandler_TopoFilter
NTSTATUS
NTAPI
IKsAllocator_fnQueryInterface(
IKsAllocator * iface,
IN REFIID refiid,
OUT PVOID* Output)
{
PALLOCATOR This = (PALLOCATOR)CONTAINING_RECORD(iface, ALLOCATOR, lpVtbl);
if (IsEqualGUIDAligned(refiid, &IID_IUnknown) ||
IsEqualGUIDAligned(refiid, &IID_IKsAllocator))
{
*Output = &This->lpVtbl;
_InterlockedIncrement(&This->ref);
return STATUS_SUCCESS;
}
return STATUS_UNSUCCESSFUL;
}
BOOLEAN
NTAPI
ChannelIsEqual(IN PSAC_CHANNEL Channel,
IN PSAC_CHANNEL_ID ChannelId)
{
/* Check if the GUIDs match */
return IsEqualGUIDAligned(&Channel->ChannelId.ChannelGuid,
&ChannelId->ChannelGuid);
}
STDMETHODIMP_(HRESULT) CDmaChannel::QueryInterface(REFIID iid, void** obj)
{
if(!obj) return E_POINTER;
*obj = NULL;
if(IsEqualGUIDAligned(iid, IID_IDmaChannel))
{
*obj = this;
}
else if(IsEqualGUIDAligned(iid, IID_IUnknown))
{
*obj = static_cast<IUnknown*>(this);
}
if(*obj)
{
++ref;
return S_OK;
}
else return E_NOINTERFACE;
}
//=============================================================================
NTSTATUS
PropertyHandler_MicInTopoFilter
(
_In_ PPCPROPERTY_REQUEST PropertyRequest
)
/*++
Routine Description:
Redirects property request to miniport object
Arguments:
PropertyRequest -
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(PropertyRequest);
DPF_ENTER(("[PropertyHandler_MicInTopoFilter]"));
// PropertryRequest structure is filled by portcls.
// MajorTarget is a pointer to miniport object for miniports.
//
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
//
// This line shows how to get a pointer to the miniport topology object.
//
PCMiniportTopology pMiniport = (PCMiniportTopology)PropertyRequest->MajorTarget;
UNREFERENCED_VAR(pMiniport);
if (IsEqualGUIDAligned(*PropertyRequest->PropertyItem->Set, KSPROPSETID_Jack))
{
if (PropertyRequest->PropertyItem->Id == KSPROPERTY_JACK_DESCRIPTION)
{
ntStatus = PropertyHandler_MicInJackDescription(PropertyRequest);
}
else if (PropertyRequest->PropertyItem->Id == KSPROPERTY_JACK_DESCRIPTION2)
{
ntStatus = PropertyHandler_MicInJackDescription2(PropertyRequest);
}
}
return ntStatus;
} // PropertyHandler_MicInTopoFilter
NTSTATUS
NTAPI
PcNewMiniport(
OUT PMINIPORT* OutMiniport,
IN REFCLSID ClassId)
{
NTSTATUS Status = STATUS_INVALID_PARAMETER;
DPRINT("PcNewMiniport entered\n");
PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
if (!OutMiniport)
{
DPRINT("PcNewMiniport was supplied a NULL OutPort parameter\n");
return STATUS_INVALID_PARAMETER;
}
if (IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverDMusUART) ||
IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverUart) ||
IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverDMusUARTCapture))
{
Status = NewMiniportDMusUART(OutMiniport, ClassId);
}
else if (IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverFmSynth) ||
IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverFmSynthWithVol))
{
Status = NewMiniportFmSynth(OutMiniport, ClassId);
}
else
{
Status = STATUS_INVALID_PARAMETER;
}
DPRINT("PcNewMiniport Status %x\n", Status);
return Status;
}
ULONG
MMixerGetNodeIndexFromGuid(
IN PTOPOLOGY Topology,
IN const GUID * NodeType)
{
ULONG Index;
for(Index = 0; Index < Topology->TopologyNodesCount; Index++)
{
if (IsEqualGUIDAligned(NodeType, &Topology->TopologyNodes[Index].NodeType))
{
return Index;
}
}
return MAXULONG;
}
NTSTATUS
NTAPI
PcNewPort(
OUT PPORT* OutPort,
IN REFCLSID ClassId)
{
NTSTATUS Status;
UNICODE_STRING GuidString;
DPRINT("PcNewPort entered\n");
PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
if (!OutPort)
{
DPRINT("PcNewPort was supplied a NULL OutPort parameter\n");
return STATUS_INVALID_PARAMETER;
}
if (IsEqualGUIDAligned(ClassId, CLSID_PortMidi))
Status = NewPortDMus(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortDMus))
Status = NewPortDMus(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortTopology))
Status = NewPortTopology(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortWaveCyclic))
Status = NewPortWaveCyclic(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortWavePci))
Status = NewPortWavePci(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortWaveRT))
Status = NewPortWaveRT(OutPort);
else
{
if (RtlStringFromGUID(ClassId, &GuidString) == STATUS_SUCCESS)
{
DPRINT("unknown interface %S\n", GuidString.Buffer);
RtlFreeUnicodeString(&GuidString);
}
Status = STATUS_NOT_SUPPORTED;
return Status;
}
DPRINT("PcNewPort Status %lx\n", Status);
return Status;
}
CMiniportWaveRTStream::NonDelegatingQueryInterface
(
_In_ REFIID Interface,
_COM_Outptr_ PVOID * Object
)
/*++
Routine Description:
QueryInterface
Arguments:
Interface - GUID
Object - interface pointer to be returned
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(Object);
if (IsEqualGUIDAligned(Interface, IID_IUnknown))
{
*Object = PVOID(PUNKNOWN(PMINIPORTWAVERTSTREAM(this)));
}
else if (IsEqualGUIDAligned(Interface, IID_IMiniportWaveRTStream))
{
*Object = PVOID(PMINIPORTWAVERTSTREAM(this));
}
else if (IsEqualGUIDAligned(Interface, IID_IMiniportWaveRTStreamNotification))
{
*Object = PVOID(PMINIPORTWAVERTSTREAMNOTIFICATION(this));
}
else if (IsEqualGUIDAligned(Interface, IID_IMiniportStreamAudioEngineNode))
{
*Object = (PVOID)(IMiniportStreamAudioEngineNode*)this;
}
else if (IsEqualGUIDAligned(Interface, IID_IMiniportStreamAudioEngineNode2))
{
*Object = (PVOID)(IMiniportStreamAudioEngineNode2*)this;
}
else if (IsEqualGUIDAligned(Interface, IID_IDrmAudioStream))
{
*Object = (PVOID)(IDrmAudioStream*)this;
}
else
{
*Object = NULL;
}
if (*Object)
{
PUNKNOWN(*Object)->AddRef();
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
} // NonDelegatingQueryInterface
NTSTATUS
NTAPI
KspMethodHandlerWithAllocator(
IN PIRP Irp,
IN ULONG MethodSetsCount,
IN const KSMETHOD_SET *MethodSet,
IN PFNKSALLOCATOR Allocator OPTIONAL,
IN ULONG MethodItemSize OPTIONAL)
{
PKSMETHOD Method;
PKSMETHOD_SET Set;
PIO_STACK_LOCATION IoStack;
NTSTATUS Status;
PFNKSHANDLER MethodHandler = NULL;
ULONG Index;
LPGUID Guid;
/* get current irp stack */
IoStack = IoGetCurrentIrpStackLocation(Irp);
/* check if inputbuffer at least holds KSMETHOD item */
if (IoStack->Parameters.DeviceIoControl.InputBufferLength < sizeof(KSMETHOD))
{
/* invalid parameter */
Irp->IoStatus.Information = sizeof(KSPROPERTY);
return STATUS_INVALID_BUFFER_SIZE;
}
/* FIXME probe the input / output buffer if from user mode */
/* get input property request */
Method = (PKSMETHOD)IoStack->Parameters.DeviceIoControl.Type3InputBuffer;
// DPRINT("KspMethodHandlerWithAllocator Irp %p PropertySetsCount %u PropertySet %p Allocator %p PropertyItemSize %u ExpectedPropertyItemSize %u\n", Irp, PropertySetsCount, PropertySet, Allocator, PropertyItemSize, sizeof(KSPROPERTY_ITEM));
/* sanity check */
ASSERT(MethodItemSize == 0 || MethodItemSize == sizeof(KSMETHOD_ITEM));
/* find the method handler */
Status = FindMethodHandler(&Irp->IoStatus, MethodSet, MethodSetsCount, Method, IoStack->Parameters.DeviceIoControl.InputBufferLength, IoStack->Parameters.DeviceIoControl.OutputBufferLength, Irp->UserBuffer, &MethodHandler, &Set);
if (NT_SUCCESS(Status) && MethodHandler)
{
/* call method handler */
KSMETHOD_SET_IRP_STORAGE(Irp) = Set;
Status = MethodHandler(Irp, Method, Irp->UserBuffer);
if (Status == STATUS_BUFFER_TOO_SMALL)
{
/* output buffer is too small */
if (Allocator)
{
/* allocate the requested amount */
Status = Allocator(Irp, Irp->IoStatus.Information, FALSE);
/* check if the block was allocated */
if (!NT_SUCCESS(Status))
{
/* no memory */
return STATUS_INSUFFICIENT_RESOURCES;
}
/* re-call method handler */
Status = MethodHandler(Irp, Method, Irp->UserBuffer);
}
}
}
else if (IsEqualGUIDAligned(&Method->Set, &GUID_NULL) && Method->Id == 0 && Method->Flags == KSMETHOD_TYPE_SETSUPPORT)
{
// store output size
Irp->IoStatus.Information = sizeof(GUID) * MethodSetsCount;
if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < sizeof(GUID) * MethodSetsCount)
{
// buffer too small
return STATUS_MORE_ENTRIES;
}
// get output buffer
Guid = (LPGUID)Irp->UserBuffer;
// copy property guids from property sets
for(Index = 0; Index < MethodSetsCount; Index++)
{
RtlMoveMemory(&Guid[Index], MethodSet[Index].Set, sizeof(GUID));
}
return STATUS_SUCCESS;
}
/* done */
return Status;
}
/*
@implemented
*/
KSDDKAPI
BOOLEAN
NTAPI
KsFastMethodHandler(
IN PFILE_OBJECT FileObject,
IN PKSMETHOD UNALIGNED Method,
IN ULONG MethodLength,
IN OUT PVOID UNALIGNED Data,
IN ULONG DataLength,
OUT PIO_STATUS_BLOCK IoStatus,
IN ULONG MethodSetsCount,
IN const KSMETHOD_SET* MethodSet)
{
KSMETHOD MethodRequest;
KPROCESSOR_MODE Mode;
NTSTATUS Status = STATUS_SUCCESS;
ULONG Index;
PFNKSFASTHANDLER FastMethodHandler;
if (MethodLength < sizeof(KSPROPERTY))
{
/* invalid request */
return FALSE;
}
/* get previous mode */
Mode = ExGetPreviousMode();
if (Mode == KernelMode)
{
/* just copy it */
RtlMoveMemory(&MethodRequest, Method, sizeof(KSMETHOD));
}
else
{
/* need to probe the buffer */
_SEH2_TRY
{
ProbeForRead(Method, sizeof(KSPROPERTY), sizeof(UCHAR));
RtlMoveMemory(&MethodRequest, Method, sizeof(KSMETHOD));
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Exception, get the error code */
Status = _SEH2_GetExceptionCode();
}_SEH2_END;
if (!NT_SUCCESS(Status))
return FALSE;
}
/* are there any property sets provided */
if (MethodSetsCount)
{
/* iterate through all property sets count */
Index = 0;
do
{
/* does the property id match */
if (IsEqualGUIDAligned(MethodSet[Index].Set, &MethodRequest.Set))
{
/* try to find a fast property handler */
Status = FindFastMethodHandler(MethodSet[Index].FastIoCount, MethodSet[Index].FastIoTable, &MethodRequest, &FastMethodHandler);
if (NT_SUCCESS(Status))
{
/* call fast property handler */
ASSERT(MethodLength == sizeof(KSMETHOD)); /* FIXME check if property length is bigger -> copy params */
ASSERT(Mode == KernelMode); /* FIXME need to probe usermode output buffer */
return FastMethodHandler(FileObject, &MethodRequest, sizeof(KSMETHOD), Data, DataLength, IoStatus);
}
}
/* move to next item */
Index++;
}while(Index < MethodSetsCount);
}
return FALSE;
}
NTSTATUS
FindMethodHandler(
IN PIO_STATUS_BLOCK IoStatus,
IN const KSMETHOD_SET* MethodSet,
IN ULONG MethodSetCount,
IN PKSMETHOD Method,
IN ULONG InputBufferLength,
IN ULONG OutputBufferLength,
OUT PVOID OutputBuffer,
OUT PFNKSHANDLER *MethodHandler,
OUT PKSMETHOD_SET * Set)
{
ULONG Index, ItemIndex;
for(Index = 0; Index < MethodSetCount; Index++)
{
ASSERT(MethodSet[Index].Set);
if (IsEqualGUIDAligned(&Method->Set, MethodSet[Index].Set))
{
for(ItemIndex = 0; ItemIndex < MethodSet[Index].MethodsCount; ItemIndex++)
{
if (MethodSet[Index].MethodItem[ItemIndex].MethodId == Method->Id)
{
if (MethodSet[Index].MethodItem[ItemIndex].MinMethod > InputBufferLength)
{
/* too small input buffer */
IoStatus->Information = MethodSet[Index].MethodItem[ItemIndex].MinMethod;
return STATUS_INVALID_PARAMETER;
}
if (MethodSet[Index].MethodItem[ItemIndex].MinData > OutputBufferLength)
{
/* too small output buffer */
IoStatus->Information = MethodSet[Index].MethodItem[ItemIndex].MinData;
return STATUS_MORE_ENTRIES;
}
if (Method->Flags & KSMETHOD_TYPE_BASICSUPPORT)
{
PULONG Flags;
PKSPROPERTY_DESCRIPTION Description;
if (sizeof(ULONG) > OutputBufferLength)
{
/* too small buffer */
return STATUS_INVALID_PARAMETER;
}
/* get output buffer */
Flags = (PULONG)OutputBuffer;
/* set flags flags */
*Flags = MethodSet[Index].MethodItem[ItemIndex].Flags;
IoStatus->Information = sizeof(ULONG);
if (OutputBufferLength >= sizeof(KSPROPERTY_DESCRIPTION))
{
/* get output buffer */
Description = (PKSPROPERTY_DESCRIPTION)OutputBuffer;
/* store result */
Description->DescriptionSize = sizeof(KSPROPERTY_DESCRIPTION);
Description->PropTypeSet.Set = KSPROPTYPESETID_General;
Description->PropTypeSet.Id = 0;
Description->PropTypeSet.Flags = 0;
Description->MembersListCount = 0;
Description->Reserved = 0;
IoStatus->Information = sizeof(KSPROPERTY_DESCRIPTION);
}
return STATUS_SUCCESS;
}
*MethodHandler = MethodSet[Index].MethodItem[ItemIndex].MethodHandler;
*Set = (PKSMETHOD_SET)&MethodSet[Index];
return STATUS_SUCCESS;
}
}
}
}
return STATUS_NOT_FOUND;
}
NTSTATUS
NTAPI
PinIntersectHandler(
IN PVOID Context,
IN PIRP Irp,
IN PKSP_PIN Pin,
IN PKSDATARANGE DataRange,
IN PKSDATARANGE MatchingDataRange,
IN ULONG DataBufferSize,
OUT PVOID Data OPTIONAL,
OUT PULONG DataSize)
{
PKSPIN FirstPin;
NTSTATUS Status;
/* get first pin */
FirstPin = KsFilterGetFirstChildPin((PKSFILTER)Context, Pin->PinId);
/* sanity check */
ASSERT(FirstPin);
/* check for matching dataformat */
if (!IsEqualGUIDAligned(&FirstPin->ConnectionFormat->SubFormat, &DataRange->SubFormat) ||
!IsEqualGUIDAligned(&FirstPin->ConnectionFormat->Specifier, &DataRange->Specifier) ||
!IsEqualGUIDAligned(&GUID_NULL, &DataRange->SubFormat) ||
!IsEqualGUIDAligned(&GUID_NULL, &DataRange->Specifier))
{
/* no match */
return STATUS_NO_MATCH;
}
if (DataBufferSize)
{
/* there is output buffer */
if (DataBufferSize >= FirstPin->ConnectionFormat->FormatSize)
{
/* copy dataformat */
RtlMoveMemory(Data, FirstPin->ConnectionFormat, FirstPin->ConnectionFormat->FormatSize);
/* store output length */
*DataSize = FirstPin->ConnectionFormat->FormatSize;
Status = STATUS_SUCCESS;
}
else
{
/* buffer too small */
Status = STATUS_BUFFER_TOO_SMALL;
}
}
else
{
/* store output length */
*DataSize = FirstPin->ConnectionFormat->FormatSize;
Status = STATUS_BUFFER_OVERFLOW;
}
/* done */
return Status;
}
NTSTATUS
NTAPI
IKsAllocator_fnDeviceIoControl(
IKsAllocator *iface,
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PALLOCATOR This = (PALLOCATOR)CONTAINING_RECORD(iface, ALLOCATOR, lpVtbl);
PIO_STACK_LOCATION IoStack;
PKSSTREAMALLOCATOR_FUNCTIONTABLE FunctionTable;
PKSSTREAMALLOCATOR_STATUS State;
PKSPROPERTY Property;
/* FIXME locks */
/* get current irp stack */
IoStack = IoGetCurrentIrpStackLocation(Irp);
if (IoStack->Parameters.DeviceIoControl.IoControlCode != IOCTL_KS_PROPERTY)
{
/* only KSPROPERTY requests are supported */
UNIMPLEMENTED;
/* complete and forget irps */
Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_NOT_IMPLEMENTED;
}
if (IoStack->Parameters.DeviceIoControl.InputBufferLength < sizeof(KSPROPERTY))
{
/* invalid request */
Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INVALID_DEVICE_REQUEST;
}
/* check the request */
Property = (PKSPROPERTY)IoStack->Parameters.DeviceIoControl.Type3InputBuffer;
if (IsEqualGUIDAligned(&Property->Set, &KSPROPSETID_StreamAllocator))
{
if (Property->Id == KSPROPERTY_STREAMALLOCATOR_FUNCTIONTABLE)
{
if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < sizeof(KSSTREAMALLOCATOR_FUNCTIONTABLE))
{
/* buffer too small */
Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
Irp->IoStatus.Information = sizeof(KSSTREAMALLOCATOR_FUNCTIONTABLE);
/* complete and forget irp */
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_BUFFER_TOO_SMALL;
}
if (!(Property->Flags & KSPROPERTY_TYPE_GET))
{
/* only support retrieving the property */
Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
/* complete and forget irp */
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_UNSUCCESSFUL;
}
/* get output buffer */
FunctionTable = (PKSSTREAMALLOCATOR_FUNCTIONTABLE)Irp->UserBuffer;
FunctionTable->AllocateFrame = IKsAllocator_Allocate;
FunctionTable->FreeFrame = IKsAllocator_FreeFrame;
/* save result */
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = sizeof(KSSTREAMALLOCATOR_FUNCTIONTABLE);
/* complete request */
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
else if (Property->Id == KSPROPERTY_STREAMALLOCATOR_STATUS)
{
if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < sizeof(KSPROPERTY_STREAMALLOCATOR_STATUS))
{
/* buffer too small */
Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
Irp->IoStatus.Information = sizeof(KSPROPERTY_STREAMALLOCATOR_STATUS);
/* complete and forget irp */
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_BUFFER_TOO_SMALL;
}
if (!(Property->Flags & KSPROPERTY_TYPE_GET))
{
/* only support retrieving the property */
Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
/* complete and forget irp */
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_UNSUCCESSFUL;
}
/* get output buffer */
State = (PKSSTREAMALLOCATOR_STATUS)Irp->UserBuffer;
/* copy allocator status */
RtlMoveMemory(State, &This->Status, sizeof(KSSTREAMALLOCATOR_STATUS));
/* save result */
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = sizeof(KSSTREAMALLOCATOR_STATUS);
/* complete request */
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
}
/* unhandled request */
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_NOT_SUPPORTED;
}