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- Copy Filter descriptor for each instantiated filter
- Implement KsFilterAddTopologyConnections, KsFilterCreatePinFactory svn path=/trunk/; revision=42278
This commit is contained in:
Johannes Anderwald
parent
5372462044
commit
52e5cc0ba2
1 changed files with 190 additions and 9 deletions
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@ -773,7 +773,6 @@ IKsFilter_CreateDescriptors(
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* allocate pin descriptor array */
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This->PinDescriptors = AllocateItem(NonPagedPool, sizeof(KSPIN_DESCRIPTOR) * FilterDescriptor->PinDescriptorsCount);
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if(!This->PinDescriptors)
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@ -827,6 +826,80 @@ IKsFilter_CreateDescriptors(
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return STATUS_SUCCESS;
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}
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NTSTATUS
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IKsFilter_CopyFilterDescriptor(
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IKsFilterImpl * This,
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const KSFILTER_DESCRIPTOR* FilterDescriptor)
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{
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This->Filter.Descriptor = (const KSFILTER_DESCRIPTOR*)AllocateItem(NonPagedPool, sizeof(KSFILTER_DESCRIPTOR));
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if (!This->Filter.Descriptor)
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return STATUS_INSUFFICIENT_RESOURCES;
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/* copy all fields */
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RtlMoveMemory((PVOID)This->Filter.Descriptor, FilterDescriptor, sizeof(KSFILTER_DESCRIPTOR));
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/* perform deep copy of pin descriptors */
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if (FilterDescriptor->PinDescriptorsCount)
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{
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KSPIN_DESCRIPTOR_EX * PinDescriptors = (KSPIN_DESCRIPTOR_EX *)AllocateItem(NonPagedPool, FilterDescriptor->PinDescriptorSize * FilterDescriptor->PinDescriptorsCount);
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if (!PinDescriptors)
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{
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FreeItem((PVOID)This->Filter.Descriptor);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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RtlMoveMemory((PVOID)PinDescriptors, FilterDescriptor->PinDescriptors, FilterDescriptor->PinDescriptorSize * FilterDescriptor->PinDescriptorsCount);
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/* brain-dead gcc hack */
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RtlMoveMemory((PVOID)&This->Filter.Descriptor->PinDescriptors, PinDescriptors, sizeof(PKSPIN_DESCRIPTOR_EX));
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}
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/* perform deep copy of node descriptors */
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if (FilterDescriptor->NodeDescriptorsCount)
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{
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KSNODE_DESCRIPTOR* NodeDescriptor = AllocateItem(NonPagedPool, FilterDescriptor->NodeDescriptorsCount * FilterDescriptor->NodeDescriptorSize);
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if (!NodeDescriptor)
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{
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if (This->Filter.Descriptor->PinDescriptors)
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FreeItem((PVOID)This->Filter.Descriptor->PinDescriptors);
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FreeItem((PVOID)This->Filter.Descriptor);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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RtlMoveMemory((PVOID)NodeDescriptor, FilterDescriptor->NodeDescriptors, FilterDescriptor->NodeDescriptorsCount * FilterDescriptor->NodeDescriptorSize);
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/* brain-dead gcc hack */
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RtlMoveMemory((PVOID)&This->Filter.Descriptor->NodeDescriptors, NodeDescriptor, sizeof(PKSNODE_DESCRIPTOR));
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}
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/* perform deep copy of connections descriptors */
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if (FilterDescriptor->NodeDescriptorsCount)
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{
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KSTOPOLOGY_CONNECTION* Connections = AllocateItem(NonPagedPool, sizeof(KSTOPOLOGY_CONNECTION) * FilterDescriptor->ConnectionsCount);
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if (!Connections)
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{
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if (This->Filter.Descriptor->PinDescriptors)
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FreeItem((PVOID)This->Filter.Descriptor->PinDescriptors);
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if (This->Filter.Descriptor->NodeDescriptors)
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FreeItem((PVOID)This->Filter.Descriptor->PinDescriptors);
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FreeItem((PVOID)This->Filter.Descriptor);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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RtlMoveMemory((PVOID)Connections, FilterDescriptor->Connections, sizeof(KSTOPOLOGY_CONNECTION) * FilterDescriptor->ConnectionsCount);
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/* brain-dead gcc hack */
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RtlMoveMemory((PVOID)&This->Filter.Descriptor->Connections, Connections, sizeof(PKSTOPOLOGY_CONNECTION));
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}
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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KspCreateFilter(
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@ -858,6 +931,15 @@ KspCreateFilter(
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if (!This)
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return STATUS_INSUFFICIENT_RESOURCES;
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/* copy filter descriptor */
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Status = IKsFilter_CopyFilterDescriptor(This, Factory->FilterDescriptor);
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if (!NT_SUCCESS(Status))
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{
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/* not enough memory */
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FreeItem(This);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* get current irp stack */
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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@ -868,9 +950,11 @@ KspCreateFilter(
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{
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/* no memory */
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FreeItem(This);
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return STATUS_INSUFFICIENT_RESOURCES;
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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KsDevice = (IKsDevice*)&DeviceExtension->DeviceHeader->lpVtblIKsDevice;
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KsDevice->lpVtbl->InitializeObjectBag(KsDevice, (PKSIOBJECT_BAG)This->Filter.Bag, NULL);
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@ -977,7 +1061,7 @@ KsFilterReleaseProcessingMutex(
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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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KSDDKAPI
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NTSTATUS
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@ -987,8 +1071,41 @@ KsFilterAddTopologyConnections (
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IN ULONG NewConnectionsCount,
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IN const KSTOPOLOGY_CONNECTION *const NewTopologyConnections)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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ULONG Count;
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KSTOPOLOGY_CONNECTION * Connections;
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IKsFilterImpl * This = (IKsFilterImpl*)CONTAINING_RECORD(Filter, IKsFilterImpl, Filter);
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Count = This->Filter.Descriptor->ConnectionsCount + NewConnectionsCount;
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/* allocate array */
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Connections = AllocateItem(NonPagedPool, Count * sizeof(KSTOPOLOGY_CONNECTION));
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if (!Connections)
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return STATUS_INSUFFICIENT_RESOURCES;
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/* FIXME verify connections */
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if (This->Filter.Descriptor->ConnectionsCount)
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{
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/* copy old connections */
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RtlMoveMemory(Connections, This->Filter.Descriptor->Connections, sizeof(KSTOPOLOGY_CONNECTION) * This->Filter.Descriptor->ConnectionsCount);
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}
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/* add new connections */
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RtlMoveMemory((PVOID)(Connections + This->Filter.Descriptor->ConnectionsCount), NewTopologyConnections, NewConnectionsCount);
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/* add the new connections */
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RtlMoveMemory((PVOID)&This->Filter.Descriptor->ConnectionsCount, &Count, sizeof(ULONG)); /* brain-dead gcc hack */
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/* free old connections array */
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if (This->Filter.Descriptor->ConnectionsCount)
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{
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FreeItem((PVOID)This->Filter.Descriptor->Connections);
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}
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/* brain-dead gcc hack */
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RtlMoveMemory((PVOID)&This->Filter.Descriptor->Connections, Connections, sizeof(KSTOPOLOGY_CONNECTION*));
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return STATUS_SUCCESS;
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}
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/*
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@ -1020,18 +1137,82 @@ KsFilterCreateNode (
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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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KSDDKAPI
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NTSTATUS
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NTAPI
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KsFilterCreatePinFactory (
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IN PKSFILTER Filter,
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IN const KSPIN_DESCRIPTOR_EX *const PinDescriptor,
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IN const KSPIN_DESCRIPTOR_EX *const InPinDescriptor,
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OUT PULONG PinID)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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ULONG Count;
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ULONG *PinInstanceCount;
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KSPIN_DESCRIPTOR_EX * PinDescriptorsEx;
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KSPIN_DESCRIPTOR * PinDescriptors;
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IKsFilterImpl * This = (IKsFilterImpl*)CONTAINING_RECORD(Filter, IKsFilterImpl, Filter);
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/* calculate existing count */
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Count = This->PinDescriptorCount + 1;
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/* allocate pin descriptors array */
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PinDescriptorsEx = AllocateItem(NonPagedPool, max(This->Filter.Descriptor->PinDescriptorSize, sizeof(KSPIN_DESCRIPTOR_EX)) * Count);
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if (!PinDescriptorsEx)
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return STATUS_INSUFFICIENT_RESOURCES;
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/* allocate pin instance count array */
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PinInstanceCount = AllocateItem(NonPagedPool, sizeof(ULONG) * Count);
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if (!PinInstanceCount)
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{
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/* not enough memory */
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FreeItem(PinDescriptorsEx);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* allocate pin descriptor array for pin property handling */
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PinDescriptors = AllocateItem(NonPagedPool, sizeof(KSPIN_DESCRIPTOR) * Count);
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if (!PinDescriptors)
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{
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/* not enough memory */
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FreeItem(PinDescriptorsEx);
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FreeItem(PinInstanceCount);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* now copy all fields */
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if (Count > 1)
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{
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/* copy old descriptors */
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RtlMoveMemory(PinDescriptorsEx, This->Filter.Descriptor->PinDescriptors, max(This->Filter.Descriptor->PinDescriptorSize, sizeof(KSPIN_DESCRIPTOR_EX)) * This->PinDescriptorCount);
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RtlMoveMemory(PinInstanceCount, This->PinInstanceCount, This->PinDescriptorCount * sizeof(ULONG));
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RtlMoveMemory(PinDescriptors, This->PinDescriptors, sizeof(KSPIN_DESCRIPTOR) * This->PinDescriptorCount);
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/* now free old descriptors */
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FreeItem(This->PinInstanceCount);
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FreeItem((PVOID)This->Filter.Descriptor->PinDescriptors);
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FreeItem(This->PinDescriptors);
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}
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/* add new pin factory */
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RtlMoveMemory((PVOID)((ULONG_PTR)PinDescriptorsEx + max(This->Filter.Descriptor->PinDescriptorSize, sizeof(KSPIN_DESCRIPTOR_EX)) * This->PinDescriptorCount), InPinDescriptor, sizeof(KSPIN_DESCRIPTOR));
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RtlMoveMemory((PVOID)(PinDescriptors + This->PinDescriptorCount), &InPinDescriptor->PinDescriptor, sizeof(KSPIN_DESCRIPTOR));
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/* replace old descriptor by using a gcc-compliant hack */
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RtlMoveMemory((PVOID)&This->Filter.Descriptor->PinDescriptors, PinDescriptorsEx, sizeof(KSPIN_DESCRIPTOR_EX*));
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RtlMoveMemory((PVOID)&This->Filter.Descriptor->PinDescriptorsCount, &Count, sizeof(ULONG));
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This->PinDescriptors = PinDescriptors;
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This->PinInstanceCount = PinInstanceCount;
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/* store new pin id */
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*PinID = This->PinDescriptorCount;
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/* increment pin descriptor count */
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This->PinDescriptorCount++;
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return STATUS_SUCCESS;
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}
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/*
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