[ros-diffs] [janderwald] 40499: - Handle KSPROPERTY_PIN_DATAINTERSECTION

Author: janderwald
Date: Tue Apr 14 15:07:15 2009
New Revision: 40499

URL: http://svn.reactos.org/svn/reactos?rev=40499&view=rev
Log:
- Handle KSPROPERTY_PIN_DATAINTERSECTION

Modified:
    trunk/reactos/drivers/wdm/audio/backpln/portcls/filter_wavecyclic.c
    trunk/reactos/drivers/wdm/audio/backpln/portcls/propertyhandler.c

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/filter_wavecyclic.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/…
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/filter_wavecyclic.c [iso-8859-1]
(original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/filter_wavecyclic.c [iso-8859-1] Tue
Apr 14 15:07:15 2009
@@ -33,13 +33,19 @@
     IPortFilterWaveCyclicImpl * This = (IPortFilterWaveCyclicImpl*)iface;
 
     if (IsEqualGUIDAligned(refiid, &IID_IIrpTarget) || 
-        //IsEqualGUIDAligned(refiid, &IID_IPortFilterWaveCyclic) ||
         IsEqualGUIDAligned(refiid, &IID_IUnknown))
     {
         *Output = &This->lpVtbl;
         InterlockedIncrement(&This->ref);
         return STATUS_SUCCESS;
     }
+    else if (IsEqualGUIDAligned(refiid, &IID_IPort))
+    {
+        *Output = This->Port;
+        This->Port->lpVtbl->AddRef(This->Port);
+        return STATUS_SUCCESS;
+    }
+
 
     return STATUS_UNSUCCESSFUL;
 }

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/propertyhandler.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/…
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/propertyhandler.c [iso-8859-1]
(original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/propertyhandler.c [iso-8859-1] Tue Apr
14 15:07:15 2009
@@ -63,6 +63,74 @@
     Irp->IoStatus.Information = sizeof(ULONG);
     Irp->IoStatus.Status = STATUS_SUCCESS;
     return STATUS_SUCCESS;
+}
+
+NTSTATUS
+HandleDataIntersection(
+    IN PIRP Irp,
+    IN PKSIDENTIFIER Request,
+    IN OUT PVOID  Data,
+    IN PSUBDEVICE_DESCRIPTOR Descriptor)
+{
+    IIrpTarget * IrpTarget;
+    IPort *Port;
+    ISubdevice *SubDevice;
+    KSP_PIN * Pin = (KSP_PIN*)Request;
+    PKSOBJECT_CREATE_ITEM CreateItem;
+    PKSMULTIPLE_ITEM MultipleItem;
+    PKSDATARANGE DataRange;
+    PIO_STACK_LOCATION IoStack;
+    NTSTATUS Status;
+    ULONG Index, Length;
+
+    /* Access the create item */
+    CreateItem = KSCREATE_ITEM_IRP_STORAGE(Irp);
+    /* Get the IrpTarget */
+    IrpTarget = (IIrpTarget*)CreateItem->Context;
+    /* Get the parent */
+    Status = IrpTarget->lpVtbl->QueryInterface(IrpTarget, &IID_IPort,
(PVOID*)&Port);
+    if (!NT_SUCCESS(Status))
+    {
+        DPRINT1("Failed to obtain IPort interface from filter\n");
+        Irp->IoStatus.Information = 0;
+        Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+        return STATUS_UNSUCCESSFUL;
+    }
+
+    /* Get private ISubdevice interface */
+    Status = Port->lpVtbl->QueryInterface(Port, &IID_ISubdevice,
(PVOID*)&SubDevice);
+    if (!NT_SUCCESS(Status))
+    {
+        DPRINT1("Failed to obtain ISubdevice interface from port driver\n");
+        KeBugCheck(0);
+    }
+
+    /* Access parameters */
+    MultipleItem = (PKSMULTIPLE_ITEM)(Request + 1);
+    DataRange = (PKSDATARANGE)(MultipleItem + 1);
+
+    /* Get current stack location */
+    IoStack = IoGetCurrentIrpStackLocation(Irp);
+
+    for(Index = 0; Index < MultipleItem->Count; Index++)
+    {
+        /* Call miniport's properitary handler */
+        Status = SubDevice->lpVtbl->DataRangeIntersection(SubDevice, Pin->PinId,
DataRange,
(PKSDATARANGE)&Descriptor->Factory.KsPinDescriptor[Pin->PinId].DataRanges[0],
+                                                         
IoStack->Parameters.DeviceIoControl.OutputBufferLength, Data, &Length);
+
+        if (Status == STATUS_SUCCESS)
+        {
+            Irp->IoStatus.Information = Length;
+            break;
+        }
+        DataRange =  UlongToPtr(PtrToUlong(DataRange) + DataRange->FormatSize);
+    }
+
+    /* Release reference */
+    Port->lpVtbl->Release(Port);
+
+    Irp->IoStatus.Status = Status;
+    return Status;
 }
 
 
@@ -103,6 +171,8 @@
             break;
 
         case KSPROPERTY_PIN_DATAINTERSECTION:
+            Status = HandleDataIntersection(Irp, Request, Data, Descriptor);
+            break;
         case KSPROPERTY_PIN_PHYSICALCONNECTION:
         case KSPROPERTY_PIN_CONSTRAINEDDATARANGES:
             DPRINT1("Unhandled %x\n", Request->Id);
@@ -141,7 +211,7 @@
     PFNKSHANDLER PropertyHandler = NULL;
     UNICODE_STRING GuidString;
     NTSTATUS Status = STATUS_UNSUCCESSFUL;
-    PCPROPERTY_REQUEST PropertyRequest;
+    PPCPROPERTY_REQUEST PropertyRequest;
 
     IoStack = IoGetCurrentIrpStackLocation(Irp);
 
@@ -159,17 +229,25 @@
                 {
                    
if(Descriptor->DeviceDescriptor->AutomationTable->Properties[Index].Flags &
Property->Flags)
                     {
-                        RtlZeroMemory(&PropertyRequest, sizeof(PCPROPERTY_REQUEST));
-                        PropertyRequest.PropertyItem =
&Descriptor->DeviceDescriptor->AutomationTable->Properties[Index];
-                        PropertyRequest.Verb = Property->Flags;
-                        PropertyRequest.Value = Irp->UserBuffer;
-                        PropertyRequest.ValueSize =
IoStack->Parameters.DeviceIoControl.OutputBufferLength;
-                        PropertyRequest.Irp = Irp;
+                        PropertyRequest = ExAllocatePool(NonPagedPool,
sizeof(PCPROPERTY_REQUEST));
+                        if (!PropertyRequest)
+                        {
+                            /* no memory */
+                            Irp->IoStatus.Information = 0;
+                            Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
+                            IoCompleteRequest(Irp, IO_NO_INCREMENT);
+                            return STATUS_INSUFFICIENT_RESOURCES;
+                        }
+                        RtlZeroMemory(PropertyRequest, sizeof(PCPROPERTY_REQUEST));
+                        PropertyRequest->PropertyItem =
&Descriptor->DeviceDescriptor->AutomationTable->Properties[Index];
+                        PropertyRequest->Verb = Property->Flags;
+                        PropertyRequest->Value = Irp->UserBuffer;
+                        PropertyRequest->ValueSize =
IoStack->Parameters.DeviceIoControl.OutputBufferLength;
+                        PropertyRequest->Irp = Irp;
 
                         DPRINT("Calling handler %p\n",
Descriptor->DeviceDescriptor->AutomationTable->Properties[Index].Handler);
-                        Status =
Descriptor->DeviceDescriptor->AutomationTable->Properties[Index].Handler(&PropertyRequest);
-
-                        Irp->IoStatus.Information = PropertyRequest.ValueSize;
+                        Status =
Descriptor->DeviceDescriptor->AutomationTable->Properties[Index].Handler(PropertyRequest);
+
                         Irp->IoStatus.Status = Status;
                         IoCompleteRequest(Irp, IO_NO_INCREMENT);
                         return Status;
@@ -236,5 +314,3 @@
     IoCompleteRequest(Irp, IO_NO_INCREMENT);
     return STATUS_NOT_IMPLEMENTED;
 }
-
-