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- Handle variable sized PCPIN_DESCRIPTORs

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svn path=/trunk/; revision=43200
This commit is contained in:
Johannes Anderwald 2009-09-28 10:30:34 +00:00
parent 5fced5449b
commit 6dbd846a42
1 changed files with 14 additions and 9 deletions
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23
reactos/drivers/wdm/audio/backpln/portcls/undoc.cpp
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@ -160,6 +160,7 @@ PcCreateSubdeviceDescriptor(
ULONG Index, SubIndex;
PKSDATARANGE DataRange;
NTSTATUS Status = STATUS_INSUFFICIENT_RESOURCES;
PPCPIN_DESCRIPTOR SrcDescriptor;
Descriptor = (PSUBDEVICE_DESCRIPTOR)AllocateItem(NonPagedPool, sizeof(SUBDEVICE_DESCRIPTOR), TAG_PORTCLASS);
if (!Descriptor)
@ -234,7 +235,7 @@ PcCreateSubdeviceDescriptor(
if (FilterDescription->PinCount)
{
Descriptor->Factory.KsPinDescriptor = (PKSPIN_DESCRIPTOR)AllocateItem(NonPagedPool, FilterDescription->PinSize * FilterDescription->PinCount, TAG_PORTCLASS);
Descriptor->Factory.KsPinDescriptor = (PKSPIN_DESCRIPTOR)AllocateItem(NonPagedPool, sizeof(KSPIN_DESCRIPTOR) * FilterDescription->PinCount, TAG_PORTCLASS);
if (!Descriptor->Factory.KsPinDescriptor)
goto cleanup;
@ -243,40 +244,44 @@ PcCreateSubdeviceDescriptor(
goto cleanup;
Descriptor->Factory.PinDescriptorCount = FilterDescription->PinCount;
Descriptor->Factory.PinDescriptorSize = FilterDescription->PinSize;
Descriptor->Factory.PinDescriptorSize = sizeof(KSPIN_DESCRIPTOR);
SrcDescriptor = (PPCPIN_DESCRIPTOR)FilterDescription->Pins;
DPRINT("Size %u Expected %u Ex Size %u\n", FilterDescription->PinSize, sizeof(KSPIN_DESCRIPTOR), sizeof(KSPIN_DESCRIPTOR_EX));
// copy pin factories
for(Index = 0; Index < FilterDescription->PinCount; Index++)
{
RtlMoveMemory(&Descriptor->Factory.KsPinDescriptor[Index], &FilterDescription->Pins[Index].KsPinDescriptor, FilterDescription->PinSize);
RtlMoveMemory(&Descriptor->Factory.KsPinDescriptor[Index], &SrcDescriptor->KsPinDescriptor, sizeof(KSPIN_DESCRIPTOR));
if (FilterDescription->Pins[Index].KsPinDescriptor.DataRangesCount)
if (SrcDescriptor->KsPinDescriptor.DataRangesCount)
{
Descriptor->Factory.KsPinDescriptor[Index].DataRanges = (const PKSDATARANGE*)AllocateItem(NonPagedPool, FilterDescription->Pins[Index].KsPinDescriptor.DataRangesCount * sizeof(PKSDATARANGE), TAG_PORTCLASS);
Descriptor->Factory.KsPinDescriptor[Index].DataRanges = (const PKSDATARANGE*)AllocateItem(NonPagedPool, SrcDescriptor->KsPinDescriptor.DataRangesCount * sizeof(PKSDATARANGE), TAG_PORTCLASS);
if(!Descriptor->Factory.KsPinDescriptor[Index].DataRanges)
goto cleanup;
for (SubIndex = 0; SubIndex < FilterDescription->Pins[Index].KsPinDescriptor.DataRangesCount; SubIndex++)
{
DataRange = (PKSDATARANGE)AllocateItem(NonPagedPool, FilterDescription->Pins[Index].KsPinDescriptor.DataRanges[SubIndex]->FormatSize, TAG_PORTCLASS);
DataRange = (PKSDATARANGE)AllocateItem(NonPagedPool, SrcDescriptor->KsPinDescriptor.DataRanges[SubIndex]->FormatSize, TAG_PORTCLASS);
if (!DataRange)
goto cleanup;
RtlMoveMemory(DataRange,
FilterDescription->Pins[Index].KsPinDescriptor.DataRanges[SubIndex],
FilterDescription->Pins[Index].KsPinDescriptor.DataRanges[SubIndex]->FormatSize);
SrcDescriptor->KsPinDescriptor.DataRanges[SubIndex],
SrcDescriptor->KsPinDescriptor.DataRanges[SubIndex]->FormatSize);
((PKSDATAFORMAT*)Descriptor->Factory.KsPinDescriptor[Index].DataRanges)[SubIndex] = DataRange;
}
Descriptor->Factory.KsPinDescriptor[Index].DataRangesCount = FilterDescription->Pins[Index].KsPinDescriptor.DataRangesCount;
Descriptor->Factory.KsPinDescriptor[Index].DataRangesCount = SrcDescriptor->KsPinDescriptor.DataRangesCount;
}
Descriptor->Factory.Instances[Index].CurrentPinInstanceCount = 0;
Descriptor->Factory.Instances[Index].MaxFilterInstanceCount = FilterDescription->Pins[Index].MaxFilterInstanceCount;
Descriptor->Factory.Instances[Index].MaxGlobalInstanceCount = FilterDescription->Pins[Index].MaxGlobalInstanceCount;
Descriptor->Factory.Instances[Index].MinFilterInstanceCount = FilterDescription->Pins[Index].MinFilterInstanceCount;
SrcDescriptor = (PPCPIN_DESCRIPTOR)((ULONG_PTR)SrcDescriptor + FilterDescription->PinSize);
}
}
Descriptor->DeviceDescriptor = FilterDescription;