/*++ Copyright (c) 1997-2000 Microsoft Corporation All Rights Reserved Module Name: minwave.cpp Abstract: Implementation of wavecyclic miniport. --*/ #pragma warning (disable : 4127) #include "scream.h"#include "common.h"#include "minstream.h"#include "minwave.h"#include "wavtable.h" // #pragma code_seg("PAGE") //=============================================================================// CMiniportWaveCyclic//============================================================================= //=============================================================================NTSTATUS CreateMiniportWaveCyclicMSVAD( OUT PUNKNOWN * Unknown, IN REFCLSID, IN PUNKNOWN UnknownOuter OPTIONAL, IN POOL_TYPE PoolType )/*++Routine Description: Create the wavecyclic miniport. Arguments: Unknown - RefClsId - UnknownOuter - PoolType - Return Value: NT status code.--*/{ ASSERT(Unknown); STD_CREATE_BODY(CMiniportWaveCyclic, Unknown, UnknownOuter, PoolType);} //=============================================================================CMiniportWaveCyclic::CMiniportWaveCyclic(PUNKNOWN other) : CUnknown(other)/*++Routine Description: Constructor for wavecyclic miniport. Arguments: Return Value:--*/{ DPF_ENTER(("[CMiniportWaveCyclic::CMiniportWaveCyclic]")); // Initialize members. m_AdapterCommon = NULL; m_Port = NULL; m_FilterDescriptor = NULL; m_NotificationInterval = 0; m_SamplingFrequency = 0; m_ServiceGroup = NULL; m_MaxDmaBufferSize = DMA_BUFFER_SIZE; m_MaxOutputStreams = 0; m_MaxInputStreams = 0; m_MaxTotalStreams = 0; m_MinChannels = 0; m_MaxChannelsPcm = 0; m_MinBitsPerSamplePcm = 0; m_MaxBitsPerSamplePcm = 0; m_MinSampleRatePcm = 0; m_MaxSampleRatePcm = 0; } // CMiniportWaveCyclic //=============================================================================CMiniportWaveCyclic::~CMiniportWaveCyclic(void)/*++Routine Description: Destructor for wavecyclic miniport Arguments: Return Value: NT status code.--*/{ // PAGED_CODE(); DPF_ENTER(("[CMiniportWaveCyclic::~CMiniportWaveCyclic]")); if (m_Port) { m_Port->Release(); } if (m_ServiceGroup) { m_ServiceGroup->Release(); } if (m_AdapterCommon) { m_AdapterCommon->Release(); }} // ~CMiniportWaveCyclic //=============================================================================STDMETHODIMP_(NTSTATUS) CMiniportWaveCyclic::DataRangeIntersection( IN ULONG PinId, IN PKSDATARANGE ClientDataRange, IN PKSDATARANGE MyDataRange, IN ULONG OutputBufferLength, OUT PVOID ResultantFormat, OUT PULONG ResultantFormatLength )/*++Routine Description: The DataRangeIntersection function determines the highest quality intersection of two data ranges. Arguments: PinId - Pin for which data intersection is being determined. ClientDataRange - Pointer to KSDATARANGE structure which contains the data range submitted by client in the data range intersection property request. MyDataRange - Pin's data range to be compared with client's data range. In this case we actually ignore our own data range, because we know that we only support one range. OutputBufferLength - Size of the buffer pointed to by the resultant format parameter. ResultantFormat - Pointer to value where the resultant format should be returned. ResultantFormatLength - Actual length of the resultant format placed in ResultantFormat. This should be less than or equal to OutputBufferLength. Return Value: NT status code.--*/{ UNREFERENCED_PARAMETER(PinId); UNREFERENCED_PARAMETER(ClientDataRange); UNREFERENCED_PARAMETER(MyDataRange); UNREFERENCED_PARAMETER(OutputBufferLength); UNREFERENCED_PARAMETER(ResultantFormat); UNREFERENCED_PARAMETER(ResultantFormatLength); // PAGED_CODE(); // This driver only supports PCM formats. // Portcls will handle the request for us. return STATUS_NOT_IMPLEMENTED;} // DataRangeIntersection //=============================================================================STDMETHODIMP_(NTSTATUS) CMiniportWaveCyclic::GetDescription( OUT PPCFILTER_DESCRIPTOR * OutFilterDescriptor )/*++Routine Description: The GetDescription function gets a pointer to a filter description. It provides a location to deposit a pointer in miniport's description structure. This is the placeholder for the FromNode or ToNode fields in connections which describe connections to the filter's pins. Arguments: OutFilterDescriptor - Pointer to the filter description. Return Value: NT status code. --*/{ // PAGED_CODE(); ASSERT(OutFilterDescriptor); DPF_ENTER(("[CMiniportWaveCyclic::GetDescription]")); *OutFilterDescriptor = m_FilterDescriptor; return (STATUS_SUCCESS); } // GetDescription //=============================================================================STDMETHODIMP_(NTSTATUS) CMiniportWaveCyclic::Init( IN PUNKNOWN UnknownAdapter_, IN PRESOURCELIST ResourceList_, IN PPORTWAVECYCLIC Port_ )/*++Routine Description: The Init function initializes the miniport. Callers of this function should run at IRQL PASSIVE_LEVEL Arguments: UnknownAdapter - A pointer to the Iuknown interface of the adapter object. ResourceList - Pointer to the resource list to be supplied to the miniport during initialization. The port driver is free to examine the contents of the ResourceList. The port driver will not be modify the ResourceList contents. Port - Pointer to the topology port object that is linked with this miniport. Return Value: NT status code.--*/{ UNREFERENCED_PARAMETER(ResourceList_); ASSERT(UnknownAdapter_); ASSERT(Port_); DPF_ENTER(("[CMiniportWaveCyclic::Init]")); m_MaxOutputStreams = MAX_OUTPUT_STREAMS; m_MaxInputStreams = MAX_INPUT_STREAMS; m_MaxTotalStreams = MAX_TOTAL_STREAMS; m_MinChannels = MIN_CHANNELS; m_MaxChannelsPcm = MAX_CHANNELS_PCM; m_MinBitsPerSamplePcm = MIN_BITS_PER_SAMPLE_PCM; m_MaxBitsPerSamplePcm = MAX_BITS_PER_SAMPLE_PCM; m_MinSampleRatePcm = MIN_SAMPLE_RATE; m_MaxSampleRatePcm = MAX_SAMPLE_RATE; // AddRef() is required because we are keeping this pointer. m_Port = Port_; m_Port->AddRef(); // We want the IAdapterCommon interface on the adapter common object, // which is given to us as a IUnknown. The QueryInterface call gives us // an AddRefed pointer to the interface we want. // NTSTATUS ntStatus = UnknownAdapter_->QueryInterface(IID_IAdapterCommon, (PVOID *) &m_AdapterCommon); if (NT_SUCCESS(ntStatus)) { KeInitializeMutex(&m_SampleRateSync, 1); ntStatus = PcNewServiceGroup(&m_ServiceGroup, NULL); if (NT_SUCCESS(ntStatus)) { m_AdapterCommon->SetWaveServiceGroup(m_ServiceGroup); } } if (NT_SUCCESS(ntStatus)) { // Set filter descriptor. m_FilterDescriptor = &MiniportFilterDescriptor; m_fCaptureAllocated = FALSE; m_fRenderAllocated = FALSE; } else { // clean up AdapterCommon if (m_AdapterCommon) { // clean up the service group if (m_ServiceGroup) { m_AdapterCommon->SetWaveServiceGroup(NULL); m_ServiceGroup->Release(); m_ServiceGroup = NULL; } m_AdapterCommon->Release(); m_AdapterCommon = NULL; } // release the port // m_Port->Release(); m_Port = NULL; } return ntStatus;} // Init //=============================================================================STDMETHODIMP_(NTSTATUS) CMiniportWaveCyclic::NewStream( OUT PMINIPORTWAVECYCLICSTREAM * OutStream, IN PUNKNOWN OuterUnknown, IN POOL_TYPE PoolType, IN ULONG Pin, IN BOOLEAN Capture, IN PKSDATAFORMAT DataFormat, OUT PDMACHANNEL * OutDmaChannel, OUT PSERVICEGROUP * OutServiceGroup )/*++Routine Description: The NewStream function creates a new instance of a logical stream associated with a specified physical channel. Callers of NewStream should run at IRQL PASSIVE_LEVEL. Arguments: OutStream - OuterUnknown - PoolType - Pin - Capture - DataFormat - OutDmaChannel - OutServiceGroup - Return Value: NT status code.--*/{ UNREFERENCED_PARAMETER(PoolType); // PAGED_CODE(); ASSERT(OutStream); ASSERT(DataFormat); ASSERT(OutDmaChannel); ASSERT(OutServiceGroup); DPF_ENTER(("[CMiniportWaveCyclic::NewStream]")); NTSTATUS ntStatus = STATUS_SUCCESS; PCMiniportWaveCyclicStream stream = NULL; // Check if we have enough streams. if (Capture) { if (m_fCaptureAllocated) { DPF(D_TERSE, ("[Only one capture stream supported]")); ntStatus = STATUS_INSUFFICIENT_RESOURCES; } } else { if (m_fRenderAllocated) { DPF(D_TERSE, ("[Only one render stream supported]")); ntStatus = STATUS_INSUFFICIENT_RESOURCES; } } // Instantiate a stream. Stream must be in // NonPagedPool because of file saving. // if (NT_SUCCESS(ntStatus)) { stream = new (NonPagedPool, MSVAD_POOLTAG) CMiniportWaveCyclicStream(OuterUnknown); if (stream) { stream->AddRef(); ntStatus = stream->Init(this, Pin, Capture, DataFormat); } else { ntStatus = STATUS_INSUFFICIENT_RESOURCES; } } if (NT_SUCCESS(ntStatus)) { if (Capture) { m_fCaptureAllocated = TRUE; } else { m_fRenderAllocated = TRUE; } *OutStream = PMINIPORTWAVECYCLICSTREAM(stream); (*OutStream)->AddRef(); *OutDmaChannel = PDMACHANNEL(stream); (*OutDmaChannel)->AddRef(); *OutServiceGroup = m_ServiceGroup; (*OutServiceGroup)->AddRef(); // The stream, the DMA channel, and the service group have // references now for the caller. The caller expects these // references to be there. } // This is our private reference to the stream. The caller has // its own, so we can release in any case. if (stream) { stream->Release(); } return ntStatus;} // NewStream //=============================================================================STDMETHODIMP_(NTSTATUS) 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 { *Object = NULL; } if (*Object) { // We reference the interface for the caller. PUNKNOWN(*Object)->AddRef(); return STATUS_SUCCESS; } return STATUS_INVALID_PARAMETER;} // NonDelegatingQueryInterface //=============================================================================NTSTATUS CMiniportWaveCyclic::PropertyHandlerComponentId( IN PPCPROPERTY_REQUEST PropertyRequest)/*++Routine Description: Handles KSPROPERTY_GENERAL_COMPONENTID Arguments: PropertyRequest - Return Value: NT status code.--*/{ // PAGED_CODE(); DPF_ENTER(("[PropertyHandlerComponentId]")); NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST; if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) { ntStatus = PropertyHandler_BasicSupport(PropertyRequest, KSPROPERTY_TYPE_BASICSUPPORT | KSPROPERTY_TYPE_GET, VT_ILLEGAL); } else { ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(KSCOMPONENTID), 0); if (NT_SUCCESS(ntStatus)) { if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) { PKSCOMPONENTID pComponentId = (PKSCOMPONENTID) PropertyRequest->Value; INIT_MMREG_MID(&pComponentId->Manufacturer, MM_MICROSOFT); pComponentId->Product = PID_MSVAD; pComponentId->Name = NAME_MSVAD_SIMPLE; pComponentId->Component = GUID_NULL; // Not used for extended caps. pComponentId->Version = MSVAD_VERSION; pComponentId->Revision = MSVAD_REVISION; PropertyRequest->ValueSize = sizeof(KSCOMPONENTID); ntStatus = STATUS_SUCCESS; } } else { DPF(D_TERSE, ("[PropertyHandlerComponentId - Invalid parameter]")); ntStatus = STATUS_INVALID_PARAMETER; } } return ntStatus;} // PropertyHandlerComponentId //=============================================================================NTSTATUS CMiniportWaveCyclic::PropertyHandlerProposedFormat( IN PPCPROPERTY_REQUEST PropertyRequest)/*++Routine Description: Handles KSPROPERTY_GENERAL_COMPONENTID Arguments: PropertyRequest - Return Value: NT status code.--*/{ // PAGED_CODE(); Lines 1–500 of 692. 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/*++ Copyright (c) 1997-2000 Microsoft Corporation All Rights Reserved Module Name: minwave.cpp Abstract: Implementation of wavecyclic miniport. --*/ #pragma warning (disable : 4127) #include "scream.h" #include "common.h" #include "minstream.h" #include "minwave.h" #include "wavtable.h" // #pragma code_seg("PAGE") //============================================================================= // CMiniportWaveCyclic //============================================================================= //============================================================================= NTSTATUS CreateMiniportWaveCyclicMSVAD( OUT PUNKNOWN * Unknown, IN REFCLSID, IN PUNKNOWN UnknownOuter OPTIONAL, IN POOL_TYPE PoolType ) /*++ Routine Description: Create the wavecyclic miniport. Arguments: Unknown - RefClsId - UnknownOuter - PoolType - Return Value: NT status code. --*/ { ASSERT(Unknown); STD_CREATE_BODY(CMiniportWaveCyclic, Unknown, UnknownOuter, PoolType); } //============================================================================= CMiniportWaveCyclic::CMiniportWaveCyclic(PUNKNOWN other) : CUnknown(other) /*++ Routine Description: Constructor for wavecyclic miniport. Arguments: Return Value: --*/ { DPF_ENTER(("[CMiniportWaveCyclic::CMiniportWaveCyclic]")); // Initialize members. m_AdapterCommon = NULL; m_Port = NULL; m_FilterDescriptor = NULL; m_NotificationInterval = 0; m_SamplingFrequency = 0; m_ServiceGroup = NULL; m_MaxDmaBufferSize = DMA_BUFFER_SIZE; m_MaxOutputStreams = 0; m_MaxInputStreams = 0; m_MaxTotalStreams = 0; m_MinChannels = 0; m_MaxChannelsPcm = 0; m_MinBitsPerSamplePcm = 0; m_MaxBitsPerSamplePcm = 0; m_MinSampleRatePcm = 0; m_MaxSampleRatePcm = 0; } // CMiniportWaveCyclic //============================================================================= CMiniportWaveCyclic::~CMiniportWaveCyclic(void) /*++ Routine Description: Destructor for wavecyclic miniport Arguments: Return Value: NT status code. --*/ { // PAGED_CODE(); DPF_ENTER(("[CMiniportWaveCyclic::~CMiniportWaveCyclic]")); if (m_Port) { m_Port->Release(); } if (m_ServiceGroup) { m_ServiceGroup->Release(); } if (m_AdapterCommon) { m_AdapterCommon->Release(); } } // ~CMiniportWaveCyclic //============================================================================= STDMETHODIMP_(NTSTATUS) CMiniportWaveCyclic::DataRangeIntersection( IN ULONG PinId, IN PKSDATARANGE ClientDataRange, IN PKSDATARANGE MyDataRange, IN ULONG OutputBufferLength, OUT PVOID ResultantFormat, OUT PULONG ResultantFormatLength ) /*++ Routine Description: The DataRangeIntersection function determines the highest quality intersection of two data ranges. Arguments: PinId - Pin for which data intersection is being determined. ClientDataRange - Pointer to KSDATARANGE structure which contains the data range submitted by client in the data range intersection property request. MyDataRange - Pin's data range to be compared with client's data range. In this case we actually ignore our own data range, because we know that we only support one range. OutputBufferLength - Size of the buffer pointed to by the resultant format parameter. ResultantFormat - Pointer to value where the resultant format should be returned. ResultantFormatLength - Actual length of the resultant format placed in ResultantFormat. This should be less than or equal to OutputBufferLength. Return Value: NT status code. --*/ { UNREFERENCED_PARAMETER(PinId); UNREFERENCED_PARAMETER(ClientDataRange); UNREFERENCED_PARAMETER(MyDataRange); UNREFERENCED_PARAMETER(OutputBufferLength); UNREFERENCED_PARAMETER(ResultantFormat); UNREFERENCED_PARAMETER(ResultantFormatLength); // PAGED_CODE(); // This driver only supports PCM formats. // Portcls will handle the request for us. return STATUS_NOT_IMPLEMENTED; } // DataRangeIntersection //============================================================================= STDMETHODIMP_(NTSTATUS) CMiniportWaveCyclic::GetDescription( OUT PPCFILTER_DESCRIPTOR * OutFilterDescriptor ) /*++ Routine Description: The GetDescription function gets a pointer to a filter description. It provides a location to deposit a pointer in miniport's description structure. This is the placeholder for the FromNode or ToNode fields in connections which describe connections to the filter's pins. Arguments: OutFilterDescriptor - Pointer to the filter description. Return Value: NT status code. --*/ { // PAGED_CODE(); ASSERT(OutFilterDescriptor); DPF_ENTER(("[CMiniportWaveCyclic::GetDescription]")); *OutFilterDescriptor = m_FilterDescriptor; return (STATUS_SUCCESS); } // GetDescription //============================================================================= STDMETHODIMP_(NTSTATUS) CMiniportWaveCyclic::Init( IN PUNKNOWN UnknownAdapter_, IN PRESOURCELIST ResourceList_, IN PPORTWAVECYCLIC Port_ ) /*++ Routine Description: The Init function initializes the miniport. Callers of this function should run at IRQL PASSIVE_LEVEL Arguments: UnknownAdapter - A pointer to the Iuknown interface of the adapter object. ResourceList - Pointer to the resource list to be supplied to the miniport during initialization. The port driver is free to examine the contents of the ResourceList. The port driver will not be modify the ResourceList contents. Port - Pointer to the topology port object that is linked with this miniport. Return Value: NT status code. --*/ { UNREFERENCED_PARAMETER(ResourceList_); ASSERT(UnknownAdapter_); ASSERT(Port_); DPF_ENTER(("[CMiniportWaveCyclic::Init]")); m_MaxOutputStreams = MAX_OUTPUT_STREAMS; m_MaxInputStreams = MAX_INPUT_STREAMS; m_MaxTotalStreams = MAX_TOTAL_STREAMS; m_MinChannels = MIN_CHANNELS; m_MaxChannelsPcm = MAX_CHANNELS_PCM; m_MinBitsPerSamplePcm = MIN_BITS_PER_SAMPLE_PCM; m_MaxBitsPerSamplePcm = MAX_BITS_PER_SAMPLE_PCM; m_MinSampleRatePcm = MIN_SAMPLE_RATE; m_MaxSampleRatePcm = MAX_SAMPLE_RATE; // AddRef() is required because we are keeping this pointer. m_Port = Port_; m_Port->AddRef(); // We want the IAdapterCommon interface on the adapter common object, // which is given to us as a IUnknown. The QueryInterface call gives us // an AddRefed pointer to the interface we want. // NTSTATUS ntStatus = UnknownAdapter_->QueryInterface(IID_IAdapterCommon, (PVOID *) &m_AdapterCommon); if (NT_SUCCESS(ntStatus)) { KeInitializeMutex(&m_SampleRateSync, 1); ntStatus = PcNewServiceGroup(&m_ServiceGroup, NULL); if (NT_SUCCESS(ntStatus)) { m_AdapterCommon->SetWaveServiceGroup(m_ServiceGroup); } } if (NT_SUCCESS(ntStatus)) { // Set filter descriptor. m_FilterDescriptor = &MiniportFilterDescriptor; m_fCaptureAllocated = FALSE; m_fRenderAllocated = FALSE; } else { // clean up AdapterCommon if (m_AdapterCommon) { // clean up the service group if (m_ServiceGroup) { m_AdapterCommon->SetWaveServiceGroup(NULL); m_ServiceGroup->Release(); m_ServiceGroup = NULL; } m_AdapterCommon->Release(); m_AdapterCommon = NULL; } // release the port // m_Port->Release(); m_Port = NULL; } return ntStatus; } // Init //============================================================================= STDMETHODIMP_(NTSTATUS) CMiniportWaveCyclic::NewStream( OUT PMINIPORTWAVECYCLICSTREAM * OutStream, IN PUNKNOWN OuterUnknown, IN POOL_TYPE PoolType, IN ULONG Pin, IN BOOLEAN Capture, IN PKSDATAFORMAT DataFormat, OUT PDMACHANNEL * OutDmaChannel, OUT PSERVICEGROUP * OutServiceGroup ) /*++ Routine Description: The NewStream function creates a new instance of a logical stream associated with a specified physical channel. Callers of NewStream should run at IRQL PASSIVE_LEVEL. Arguments: OutStream - OuterUnknown - PoolType - Pin - Capture - DataFormat - OutDmaChannel - OutServiceGroup - Return Value: NT status code. --*/ { UNREFERENCED_PARAMETER(PoolType); // PAGED_CODE(); ASSERT(OutStream); ASSERT(DataFormat); ASSERT(OutDmaChannel); ASSERT(OutServiceGroup); DPF_ENTER(("[CMiniportWaveCyclic::NewStream]")); NTSTATUS ntStatus = STATUS_SUCCESS; PCMiniportWaveCyclicStream stream = NULL; // Check if we have enough streams. if (Capture) { if (m_fCaptureAllocated) { DPF(D_TERSE, ("[Only one capture stream supported]")); ntStatus = STATUS_INSUFFICIENT_RESOURCES; } } else { if (m_fRenderAllocated) { DPF(D_TERSE, ("[Only one render stream supported]")); ntStatus = STATUS_INSUFFICIENT_RESOURCES; } } // Instantiate a stream. Stream must be in // NonPagedPool because of file saving. // if (NT_SUCCESS(ntStatus)) { stream = new (NonPagedPool, MSVAD_POOLTAG) CMiniportWaveCyclicStream(OuterUnknown); if (stream) { stream->AddRef(); ntStatus = stream->Init(this, Pin, Capture, DataFormat); } else { ntStatus = STATUS_INSUFFICIENT_RESOURCES; } } if (NT_SUCCESS(ntStatus)) { if (Capture) { m_fCaptureAllocated = TRUE; } else { m_fRenderAllocated = TRUE; } *OutStream = PMINIPORTWAVECYCLICSTREAM(stream); (*OutStream)->AddRef(); *OutDmaChannel = PDMACHANNEL(stream); (*OutDmaChannel)->AddRef(); *OutServiceGroup = m_ServiceGroup; (*OutServiceGroup)->AddRef(); // The stream, the DMA channel, and the service group have // references now for the caller. The caller expects these // references to be there. } // This is our private reference to the stream. The caller has // its own, so we can release in any case. if (stream) { stream->Release(); } return ntStatus; } // NewStream //============================================================================= STDMETHODIMP_(NTSTATUS) 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 { *Object = NULL; } if (*Object) { // We reference the interface for the caller. PUNKNOWN(*Object)->AddRef(); return STATUS_SUCCESS; } return STATUS_INVALID_PARAMETER; } // NonDelegatingQueryInterface //============================================================================= NTSTATUS CMiniportWaveCyclic::PropertyHandlerComponentId( IN PPCPROPERTY_REQUEST PropertyRequest ) /*++ Routine Description: Handles KSPROPERTY_GENERAL_COMPONENTID Arguments: PropertyRequest - Return Value: NT status code. --*/ { // PAGED_CODE(); DPF_ENTER(("[PropertyHandlerComponentId]")); NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST; if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) { ntStatus = PropertyHandler_BasicSupport(PropertyRequest, KSPROPERTY_TYPE_BASICSUPPORT | KSPROPERTY_TYPE_GET, VT_ILLEGAL); } else { ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(KSCOMPONENTID), 0); if (NT_SUCCESS(ntStatus)) { if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) { PKSCOMPONENTID pComponentId = (PKSCOMPONENTID) PropertyRequest->Value; INIT_MMREG_MID(&pComponentId->Manufacturer, MM_MICROSOFT); pComponentId->Product = PID_MSVAD; pComponentId->Name = NAME_MSVAD_SIMPLE; pComponentId->Component = GUID_NULL; // Not used for extended caps. pComponentId->Version = MSVAD_VERSION; pComponentId->Revision = MSVAD_REVISION; PropertyRequest->ValueSize = sizeof(KSCOMPONENTID); ntStatus = STATUS_SUCCESS; } } else { DPF(D_TERSE, ("[PropertyHandlerComponentId - Invalid parameter]")); ntStatus = STATUS_INVALID_PARAMETER; } } return ntStatus; } // PropertyHandlerComponentId //============================================================================= NTSTATUS CMiniportWaveCyclic::PropertyHandlerProposedFormat( IN PPCPROPERTY_REQUEST PropertyRequest ) /*++ Routine Description: Handles KSPROPERTY_GENERAL_COMPONENTID Arguments: PropertyRequest - Return Value: NT status code. --*/ { // PAGED_CODE();