mirror of
https://github.com/reactos/reactos.git
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- Start Implementing IKsPin interface
- Increment PinInstanceCount when a pin has succcessfully been created - Implement KsPinAcquireProcessingMutex, KsPinGetConnectedPinDeviceObject, KsPinGetConnectedFileObject, KsPinGetConnectedPinInterface, KsPinGetNextSiblingPin, KsPinGetParentFilter, KsPinRegisterFrameReturnCallback, KsPinRegisterHandshakeCallback, KsPinRegisterIrpCompletionCallback, KsPinRegisterPowerCallbacks, KsPinReleaseProcessingMutex - Initialize pin dispatch table - Add create items for allocator, clock, node create requests - AVStream clients should now be able to instantiated pins, streaming not yet supported svn path=/trunk/; revision=42283
This commit is contained in:
Johannes Anderwald
parent
c0e19ca77b
commit
76ec995125
4 changed files with 597 additions and 40 deletions
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@ -924,8 +924,22 @@ IKsFilter_DispatchCreatePin(
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if (NT_SUCCESS(Status))
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{
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/* create the pin */
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Status = KspCreatePin(DeviceObject, Irp, This->Header.KsDevice, This->FilterFactory, (IKsFilter*)&This->lpVtbl, Connect);
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if (This->PinInstanceCount[Connect->PinId] < This->Filter.Descriptor->PinDescriptors[Connect->PinId].InstancesPossible)
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{
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/* create the pin */
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Status = KspCreatePin(DeviceObject, Irp, This->Header.KsDevice, This->FilterFactory, (IKsFilter*)&This->lpVtbl, Connect, (KSPIN_DESCRIPTOR_EX*)&This->Filter.Descriptor->PinDescriptors[Connect->PinId]);
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if (NT_SUCCESS(Status))
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{
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/* successfully created pin, increment pin instance count */
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This->PinInstanceCount[Connect->PinId]++;
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}
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}
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else
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{
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/* maximum instance count reached, bye-bye */
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Status = STATUS_UNSUCCESSFUL;
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}
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}
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/* release control mutex */
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@ -1040,11 +1054,13 @@ KspCreateFilter(
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This->Factory = Factory;
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This->FilterFactory = iface;
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This->FileObject = IoStack->FileObject;
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KeInitializeMutex(&This->ProcessingMutex, 0);
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/* initialize basic header */
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This->Header.KsDevice = &DeviceExtension->DeviceHeader->KsDevice;
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This->Header.Parent.KsFilterFactory = iface->lpVtbl->GetStruct(iface);
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This->Header.Type = KsObjectTypeFilter;
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KeInitializeMutex(&This->Header.ControlMutex, 0);
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KeInitializeMutex(&This->ProcessingMutex, 0);
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/* allocate the stream descriptors */
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@ -1095,9 +1111,7 @@ KspCreateFilter(
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return Status;
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}
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/* initialize object header */
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This->Header.Type = KsObjectTypeFilter;
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This->Header.KsDevice = &DeviceExtension->DeviceHeader->KsDevice;
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/* initialize object header extra fields */
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This->ObjectHeader->Type = KsObjectTypeFilter;
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This->ObjectHeader->Unknown = (PUNKNOWN)&This->lpVtbl;
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This->ObjectHeader->ObjectType = (PVOID)&This->Filter;
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@ -121,7 +121,8 @@ KspCreatePin(
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IN PKSDEVICE KsDevice,
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IN IKsFilterFactory * FilterFactory,
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IN IKsFilter* Filter,
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IN PKSPIN_CONNECT Connect);
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IN PKSPIN_CONNECT Connect,
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IN KSPIN_DESCRIPTOR_EX* Descriptor);
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#endif
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@ -62,6 +62,20 @@ DECLARE_INTERFACE_(IKsClock, IUnknown)
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DEFINE_ABSTRACT_UNKNOWN()
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};
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/*****************************************************************************
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* IKsTransport
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*****************************************************************************
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*/
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#undef INTERFACE
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#define INTERFACE IKsTransport
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DECLARE_INTERFACE_(IKsTransport, IUnknown)
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{
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DEFINE_ABSTRACT_UNKNOWN()
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};
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/*****************************************************************************
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* IKsPin
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*****************************************************************************
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@ -70,9 +84,60 @@ DECLARE_INTERFACE_(IKsClock, IUnknown)
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#undef INTERFACE
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#define INTERFACE IKsPin
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struct KSPTRANSPORTCONFIG;
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DECLARE_INTERFACE_(IKsPin, IUnknown)
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{
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DEFINE_ABSTRACT_UNKNOWN()
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STDMETHOD_(NTSTATUS, TransferKsIrp)(THIS_
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IN PIRP Irp,
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IN IKsTransport **OutTransport) PURE;
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STDMETHOD_(VOID, DiscardKsIrp)(THIS_
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IN PIRP Irp,
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IN IKsTransport * *OutTransport) PURE;
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STDMETHOD_(NTSTATUS, Connect)(THIS_
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IN IKsTransport * TransportIn,
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OUT IKsTransport ** OutTransportIn,
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OUT IKsTransport * *OutTransportOut,
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IN KSPIN_DATAFLOW DataFlow) PURE;
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STDMETHOD_(NTSTATUS, SetDeviceState)(THIS_
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IN KSSTATE OldState,
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IN KSSTATE NewState,
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IN IKsTransport * *OutTransport) PURE;
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STDMETHOD_(VOID, SetResetState)(THIS_
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IN KSRESET ResetState,
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OUT IKsTransport * * OutTransportOut) PURE;
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STDMETHOD_(NTSTATUS, GetTransportConfig)(THIS_
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IN struct KSPTRANSPORTCONFIG * TransportConfig,
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OUT IKsTransport ** OutTransportIn,
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OUT IKsTransport ** OutTransportOut) PURE;
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STDMETHOD_(NTSTATUS, SetTransportConfig)(THIS_
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IN struct KSPTRANSPORTCONFIG const * TransportConfig,
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OUT IKsTransport ** OutTransportIn,
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OUT IKsTransport ** OutTransportOut) PURE;
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STDMETHOD_(NTSTATUS, ResetTransportConfig)(THIS_
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OUT IKsTransport ** OutTransportIn,
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OUT IKsTransport ** OutTransportOut) PURE;
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STDMETHOD_(PKSPIN, GetStruct)(THIS) PURE;
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STDMETHOD_(PKSPROCESSPIN, GetProcessPin)(THIS) PURE;
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STDMETHOD_(NTSTATUS, AttemptBypass)(THIS) PURE;
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STDMETHOD_(NTSTATUS, AttemptUnbypass)(THIS) PURE;
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STDMETHOD_(VOID, GenerateConnectionEvents)(THIS_
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IN ULONG EventMask) PURE;
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STDMETHOD_(NTSTATUS, ClientSetDeviceState)(THIS_
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IN KSSTATE StateIn,
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IN KSSTATE StateOut) PURE;
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};
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/*****************************************************************************
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@ -9,15 +9,256 @@
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#include "priv.h"
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typedef struct
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{
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KSBASIC_HEADER BasicHeader;
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KSPIN Pin;
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PKSIOBJECT_HEADER ObjectHeader;
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LIST_ENTRY Entry;
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IKsPinVtbl *lpVtbl;
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LONG ref;
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KMUTEX ProcessingMutex;
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PFILE_OBJECT FileObject;
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PFNKSPINPOWER Sleep;
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PFNKSPINPOWER Wake;
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PFNKSPINHANDSHAKE Handshake;
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PFNKSPINFRAMERETURN FrameReturn;
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PFNKSPINIRPCOMPLETION IrpCompletion;
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}IKsPinImpl;
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NTSTATUS
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NTAPI
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IKsPin_fnQueryInterface(
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IKsPin * iface,
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IN REFIID refiid,
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OUT PVOID* Output)
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{
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(iface, IKsPinImpl, lpVtbl);
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if (IsEqualGUIDAligned(refiid, &IID_IUnknown))
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{
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*Output = &This->lpVtbl;
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_InterlockedIncrement(&This->ref);
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return STATUS_SUCCESS;
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}
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return STATUS_UNSUCCESSFUL;
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}
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ULONG
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NTAPI
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IKsPin_fnAddRef(
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IKsPin * iface)
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{
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(iface, IKsPinImpl, lpVtbl);
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return InterlockedIncrement(&This->ref);
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}
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ULONG
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NTAPI
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IKsPin_fnRelease(
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IKsPin * iface)
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{
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(iface, IKsPinImpl, lpVtbl);
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InterlockedDecrement(&This->ref);
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if (This->ref == 0)
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{
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FreeItem(This);
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return 0;
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}
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/* Return new reference count */
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return This->ref;
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}
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NTSTATUS
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NTAPI
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IKsPin_fnTransferKsIrp(
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IN IKsPin *iface,
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IN PIRP Irp,
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IN IKsTransport **OutTransport)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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VOID
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NTAPI
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IKsPin_fnDiscardKsIrp(
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IN IKsPin *iface,
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IN PIRP Irp,
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IN IKsTransport * *OutTransport)
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{
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UNIMPLEMENTED
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}
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NTSTATUS
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NTAPI
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IKsPin_fnConnect(
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IN IKsPin *iface,
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IN IKsTransport * TransportIn,
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OUT IKsTransport ** OutTransportIn,
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OUT IKsTransport * *OutTransportOut,
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IN KSPIN_DATAFLOW DataFlow)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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NTAPI
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IKsPin_fnSetDeviceState(
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IN IKsPin *iface,
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IN KSSTATE OldState,
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IN KSSTATE NewState,
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IN IKsTransport * *OutTransport)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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VOID
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NTAPI
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IKsPin_fnSetResetState(
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IN IKsPin *iface,
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IN KSRESET ResetState,
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OUT IKsTransport * * OutTransportOut)
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{
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UNIMPLEMENTED
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}
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NTSTATUS
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NTAPI
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IKsPin_fnGetTransportConfig(
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IN IKsPin *iface,
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IN struct KSPTRANSPORTCONFIG * TransportConfig,
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OUT IKsTransport ** OutTransportIn,
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OUT IKsTransport ** OutTransportOut)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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NTAPI
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IKsPin_fnSetTransportConfig(
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IN IKsPin *iface,
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IN struct KSPTRANSPORTCONFIG const * TransportConfig,
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OUT IKsTransport ** OutTransportIn,
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OUT IKsTransport ** OutTransportOut)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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NTAPI
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IKsPin_fnResetTransportConfig(
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IN IKsPin *iface,
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OUT IKsTransport ** OutTransportIn,
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OUT IKsTransport ** OutTransportOut)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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PKSPIN
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NTAPI
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IKsPin_fnGetStruct(
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IN IKsPin *iface)
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{
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UNIMPLEMENTED
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return NULL;
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}
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PKSPROCESSPIN
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NTAPI
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IKsPin_fnGetProcessPin(
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IN IKsPin *iface)
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{
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UNIMPLEMENTED
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return NULL;
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}
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NTSTATUS
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NTAPI
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IKsPin_fnAttemptBypass(
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IN IKsPin *iface)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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NTAPI
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IKsPin_fnAttemptUnbypass(
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IN IKsPin *iface)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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VOID
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NTAPI
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IKsPin_fnGenerateConnectionEvents(
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IN IKsPin *iface,
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IN ULONG EventMask)
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{
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UNIMPLEMENTED
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}
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NTSTATUS
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NTAPI
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IKsPin_fnClientSetDeviceState(
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IN IKsPin *iface,
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IN KSSTATE StateIn,
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IN KSSTATE StateOut)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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static IKsPinVtbl vt_IKsPin =
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{
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IKsPin_fnQueryInterface,
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IKsPin_fnAddRef,
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IKsPin_fnRelease,
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IKsPin_fnTransferKsIrp,
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IKsPin_fnDiscardKsIrp,
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IKsPin_fnConnect,
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IKsPin_fnSetDeviceState,
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IKsPin_fnSetResetState,
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IKsPin_fnGetTransportConfig,
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IKsPin_fnSetTransportConfig,
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IKsPin_fnResetTransportConfig,
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IKsPin_fnGetStruct,
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IKsPin_fnGetProcessPin,
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IKsPin_fnAttemptBypass,
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IKsPin_fnAttemptUnbypass,
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IKsPin_fnGenerateConnectionEvents,
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IKsPin_fnClientSetDeviceState
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};
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//==============================================================
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/*
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@unimplemented
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@implemented
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*/
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VOID
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NTAPI
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KsPinAcquireProcessingMutex(
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IN PKSPIN Pin)
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{
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UNIMPLEMENTED
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
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KeWaitForSingleObject(&This->ProcessingMutex, Executive, KernelMode, FALSE, NULL);
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}
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/*
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@ -96,31 +337,34 @@ KsPinGetAndGate(
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}
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/*
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@unimplemented
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@implemented
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*/
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PDEVICE_OBJECT
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NTAPI
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KsPinGetConnectedPinDeviceObject(
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IN PKSPIN Pin)
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{
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UNIMPLEMENTED
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return NULL;
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
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/* return related file object */
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return IoGetRelatedDeviceObject(This->FileObject);
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}
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/*
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@unimplemented
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@implemented
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*/
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PFILE_OBJECT
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NTAPI
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KsPinGetConnectedPinFileObject(
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IN PKSPIN Pin)
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{
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UNIMPLEMENTED
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return NULL;
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
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return This->FileObject;
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}
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/*
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@unimplemented
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@implemented
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*/
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NTSTATUS
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NTAPI
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@ -129,8 +373,14 @@ KsPinGetConnectedPinInterface(
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IN const GUID* InterfaceId,
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OUT PVOID* Interface)
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{
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UNIMPLEMENTED
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return STATUS_UNSUCCESSFUL;
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IKsPin * KsPin;
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
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/* get pin interface */
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KsPin = (IKsPin*)&This->lpVtbl;
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/* query pin interface for the requested interface */
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return KsPin->lpVtbl->QueryInterface(KsPin, InterfaceId, Interface);
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}
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/*
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@ -147,27 +397,28 @@ KsPinGetCopyRelationships(
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}
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/*
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@unimplemented
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@implemented
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*/
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PKSPIN
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NTAPI
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KsPinGetNextSiblingPin(
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IN PKSPIN Pin)
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{
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UNIMPLEMENTED
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return NULL;
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return KsGetNextSibling((PVOID)Pin);
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}
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/*
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@unimplemented
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@implemented
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*/
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PKSFILTER
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NTAPI
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KsPinGetParentFilter(
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IN PKSPIN Pin)
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{
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UNIMPLEMENTED
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return NULL;
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
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/* return parent filter */
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return This->BasicHeader.Parent.KsFilter;
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}
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/*
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@ -184,7 +435,7 @@ NTAPI
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}
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/*
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@unimplemented
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@implemented
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*/
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VOID
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NTAPI
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@ -192,11 +443,14 @@ KsPinRegisterFrameReturnCallback(
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IN PKSPIN Pin,
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IN PFNKSPINFRAMERETURN FrameReturn)
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{
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UNIMPLEMENTED
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
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/* register frame return callback */
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This->FrameReturn = FrameReturn;
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}
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/*
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@unimplemented
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@implemented
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*/
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VOID
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NTAPI
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|
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@ -204,11 +458,14 @@ KsPinRegisterHandshakeCallback(
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IN PKSPIN Pin,
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IN PFNKSPINHANDSHAKE Handshake)
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{
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UNIMPLEMENTED
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IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
|
||||
|
||||
/* register private protocol handshake callback */
|
||||
This->Handshake = Handshake;
|
||||
}
|
||||
|
||||
/*
|
||||
@unimplemented
|
||||
@implemented
|
||||
*/
|
||||
VOID
|
||||
NTAPI
|
||||
|
|
@ -216,11 +473,14 @@ KsPinRegisterIrpCompletionCallback(
|
|||
IN PKSPIN Pin,
|
||||
IN PFNKSPINIRPCOMPLETION IrpCompletion)
|
||||
{
|
||||
UNIMPLEMENTED
|
||||
IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
|
||||
|
||||
/* register irp completion callback */
|
||||
This->IrpCompletion = IrpCompletion;
|
||||
}
|
||||
|
||||
/*
|
||||
@unimplemented
|
||||
@implemented
|
||||
*/
|
||||
VOID
|
||||
NTAPI
|
||||
|
|
@ -229,18 +489,25 @@ KsPinRegisterPowerCallbacks(
|
|||
IN PFNKSPINPOWER Sleep OPTIONAL,
|
||||
IN PFNKSPINPOWER Wake OPTIONAL)
|
||||
{
|
||||
UNIMPLEMENTED
|
||||
IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
|
||||
|
||||
/* register power callbacks */
|
||||
This->Sleep = Sleep;
|
||||
This->Wake = Wake;
|
||||
}
|
||||
|
||||
/*
|
||||
@unimplemented
|
||||
@implemented
|
||||
*/
|
||||
VOID
|
||||
NTAPI
|
||||
KsPinReleaseProcessingMutex(
|
||||
IN PKSPIN Pin)
|
||||
{
|
||||
UNIMPLEMENTED
|
||||
IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
|
||||
|
||||
/* release processing mutex */
|
||||
KeReleaseMutex(&This->ProcessingMutex, FALSE);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -521,15 +788,225 @@ KsStreamPointerGetNextClone(
|
|||
}
|
||||
|
||||
NTSTATUS
|
||||
KspCreatePin(
|
||||
NTAPI
|
||||
IKsPin_DispatchDeviceIoControl(
|
||||
IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp,
|
||||
IN PKSDEVICE KsDevice,
|
||||
IN IKsFilterFactory * FilterFactory,
|
||||
IN IKsFilter* Filter,
|
||||
IN PKSPIN_CONNECT Connect)
|
||||
IN PIRP Irp)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
|
||||
Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
return STATUS_NOT_IMPLEMENTED;
|
||||
}
|
||||
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
IKsPin_Close(
|
||||
IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
|
||||
Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
return STATUS_NOT_IMPLEMENTED;
|
||||
}
|
||||
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
IKsPin_DispatchCreateAllocator(
|
||||
IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
|
||||
Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
return STATUS_NOT_IMPLEMENTED;
|
||||
}
|
||||
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
IKsPin_DispatchCreateClock(
|
||||
IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
|
||||
Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
return STATUS_NOT_IMPLEMENTED;
|
||||
}
|
||||
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
IKsPin_DispatchCreateNode(
|
||||
IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
|
||||
Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
|
||||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||||
return STATUS_NOT_IMPLEMENTED;
|
||||
}
|
||||
|
||||
static KSDISPATCH_TABLE PinDispatchTable =
|
||||
{
|
||||
IKsPin_DispatchDeviceIoControl,
|
||||
KsDispatchInvalidDeviceRequest,
|
||||
KsDispatchInvalidDeviceRequest,
|
||||
KsDispatchInvalidDeviceRequest,
|
||||
IKsPin_Close,
|
||||
KsDispatchQuerySecurity,
|
||||
KsDispatchSetSecurity,
|
||||
KsDispatchFastIoDeviceControlFailure,
|
||||
KsDispatchFastReadFailure,
|
||||
KsDispatchFastReadFailure
|
||||
};
|
||||
|
||||
|
||||
NTSTATUS
|
||||
KspCreatePin(
|
||||
IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp,
|
||||
IN PKSDEVICE KsDevice,
|
||||
IN IKsFilterFactory * FilterFactory,
|
||||
IN IKsFilter* Filter,
|
||||
IN PKSPIN_CONNECT Connect,
|
||||
IN KSPIN_DESCRIPTOR_EX* Descriptor)
|
||||
{
|
||||
IKsPinImpl * This;
|
||||
PIO_STACK_LOCATION IoStack;
|
||||
IKsDevice * Device;
|
||||
PDEVICE_EXTENSION DeviceExtension;
|
||||
PKSOBJECT_CREATE_ITEM CreateItem;
|
||||
NTSTATUS Status;
|
||||
|
||||
/* sanity checks */
|
||||
ASSERT(Descriptor->Dispatch);
|
||||
ASSERT(Descriptor->Dispatch->Create);
|
||||
|
||||
/* get current irp stack */
|
||||
IoStack = IoGetCurrentIrpStackLocation(Irp);
|
||||
|
||||
/* get device extension */
|
||||
DeviceExtension = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
|
||||
|
||||
/* get ks device interface */
|
||||
Device = (IKsDevice*)&DeviceExtension->DeviceHeader->lpVtblIKsDevice;
|
||||
|
||||
/* first allocate pin ctx */
|
||||
This = AllocateItem(NonPagedPool, sizeof(IKsPinImpl));
|
||||
if (!This)
|
||||
{
|
||||
/* not enough memory */
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
/* allocate create item */
|
||||
CreateItem = AllocateItem(NonPagedPool, sizeof(KSOBJECT_CREATE_ITEM) * 3);
|
||||
if (!CreateItem)
|
||||
{
|
||||
/* not enough memory */
|
||||
FreeItem(This);
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
/* initialize basic header */
|
||||
This->BasicHeader.KsDevice = KsDevice;
|
||||
This->BasicHeader.Type = KsObjectTypePin;
|
||||
This->BasicHeader.Parent.KsFilter = Filter->lpVtbl->GetStruct(Filter);
|
||||
KeInitializeMutex(&This->BasicHeader.ControlMutex, 0);
|
||||
|
||||
/* initialize pin */
|
||||
This->lpVtbl = &vt_IKsPin;
|
||||
This->ref = 1;
|
||||
This->FileObject = IoStack->FileObject;
|
||||
KeInitializeMutex(&This->ProcessingMutex, 0);
|
||||
|
||||
/* initialize ks pin descriptor */
|
||||
This->Pin.Descriptor = Descriptor;
|
||||
This->Pin.Id = Connect->PinId;
|
||||
|
||||
/* allocate object bag */
|
||||
This->Pin.Bag = AllocateItem(NonPagedPool, sizeof(KSIOBJECT_BAG));
|
||||
if (!This->Pin.Bag)
|
||||
{
|
||||
/* not enough memory */
|
||||
FreeItem(This);
|
||||
FreeItem(CreateItem);
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
/* initialize object bag */
|
||||
Device->lpVtbl->InitializeObjectBag(Device, This->Pin.Bag, &This->BasicHeader.ControlMutex); /* is using control mutex right? */
|
||||
|
||||
This->Pin.Communication = Descriptor->PinDescriptor.Communication;
|
||||
This->Pin.ConnectionIsExternal = FALSE; /* FIXME */
|
||||
//FIXME This->Pin.ConnectionInterface = Descriptor->PinDescriptor.Interfaces;
|
||||
//FIXME This->Pin.ConnectionMedium = Descriptor->PinDescriptor.Mediums;
|
||||
//FIXME This->Pin.ConnectionPriority = KSPRIORITY_NORMAL;
|
||||
This->Pin.ConnectionFormat = (PKSDATAFORMAT) (Connect + 1);
|
||||
This->Pin.AttributeList = NULL; //FIXME
|
||||
This->Pin.StreamHeaderSize = sizeof(KSSTREAM_HEADER);
|
||||
This->Pin.DataFlow = Descriptor->PinDescriptor.DataFlow;
|
||||
This->Pin.DeviceState = KSSTATE_STOP;
|
||||
This->Pin.ResetState = KSRESET_END;
|
||||
This->Pin.ClientState = KSSTATE_STOP;
|
||||
|
||||
/* intialize allocator create item */
|
||||
CreateItem[0].Context = (PVOID)This;
|
||||
CreateItem[0].Create = IKsPin_DispatchCreateAllocator;
|
||||
CreateItem[0].Flags = KSCREATE_ITEM_FREEONSTOP;
|
||||
RtlInitUnicodeString(&CreateItem[0].ObjectClass, KSSTRING_Allocator);
|
||||
|
||||
/* intialize clock create item */
|
||||
CreateItem[1].Context = (PVOID)This;
|
||||
CreateItem[1].Create = IKsPin_DispatchCreateClock;
|
||||
CreateItem[1].Flags = KSCREATE_ITEM_FREEONSTOP;
|
||||
RtlInitUnicodeString(&CreateItem[1].ObjectClass, KSSTRING_Clock);
|
||||
|
||||
/* intialize topology node create item */
|
||||
CreateItem[2].Context = (PVOID)This;
|
||||
CreateItem[2].Create = IKsPin_DispatchCreateNode;
|
||||
CreateItem[2].Flags = KSCREATE_ITEM_FREEONSTOP;
|
||||
RtlInitUnicodeString(&CreateItem[2].ObjectClass, KSSTRING_TopologyNode);
|
||||
|
||||
/* now allocate object header */
|
||||
Status = KsAllocateObjectHeader((KSOBJECT_HEADER*)&This->ObjectHeader, 3, CreateItem, Irp, &PinDispatchTable);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
/* failed to create object header */
|
||||
KsFreeObjectBag((KSOBJECT_BAG)This->Pin.Bag);
|
||||
FreeItem(This);
|
||||
FreeItem(CreateItem);
|
||||
|
||||
/* return failure code */
|
||||
return Status;
|
||||
}
|
||||
|
||||
/* add extra info to object header */
|
||||
This->ObjectHeader->Type = KsObjectTypePin;
|
||||
This->ObjectHeader->Unknown = (PUNKNOWN)&This->lpVtbl;
|
||||
This->ObjectHeader->ObjectType = (PVOID)&This->Pin;
|
||||
|
||||
/* now inform the driver to create a new pin */
|
||||
Status = Descriptor->Dispatch->Create(&This->Pin, Irp);
|
||||
|
||||
if (!NT_SUCCESS(Status) && Status != STATUS_PENDING)
|
||||
{
|
||||
/* failed to create pin, release resources */
|
||||
KsFreeObjectHeader((KSOBJECT_HEADER)This->ObjectHeader);
|
||||
KsFreeObjectBag((KSOBJECT_BAG)This->Pin.Bag);
|
||||
FreeItem(This);
|
||||
|
||||
/* return failure code */
|
||||
return Status;
|
||||
}
|
||||
|
||||
/* FIXME add pin instance to filter instance */
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue