reactos/drivers/wdm/audio/backpln/portcls/port.cpp

65 lines
1.6 KiB
C++

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Kernel Streaming
* FILE: drivers/wdm/audio/backpln/portcls/port.cpp
* PURPOSE: Port construction API
* PROGRAMMER: Johannes Anderwald
* Andrew Greenwood
*/
#include "private.hpp"
#ifndef YDEBUG
#define NDEBUG
#endif
#include <debug.h>
NTSTATUS
NTAPI
PcNewPort(
OUT PPORT* OutPort,
IN REFCLSID ClassId)
{
NTSTATUS Status;
UNICODE_STRING GuidString;
DPRINT("PcNewPort entered\n");
PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
if (!OutPort)
{
DPRINT("PcNewPort was supplied a NULL OutPort parameter\n");
return STATUS_INVALID_PARAMETER;
}
if (IsEqualGUIDAligned(ClassId, CLSID_PortMidi))
Status = NewPortDMus(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortDMus))
Status = NewPortDMus(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortTopology))
Status = NewPortTopology(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortWaveCyclic))
Status = NewPortWaveCyclic(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortWavePci))
Status = NewPortWavePci(OutPort);
else if (IsEqualGUIDAligned(ClassId, CLSID_PortWaveRT))
Status = NewPortWaveRT(OutPort);
else
{
if (RtlStringFromGUID(ClassId, &GuidString) == STATUS_SUCCESS)
{
DPRINT("unknown interface %S\n", GuidString.Buffer);
RtlFreeUnicodeString(&GuidString);
}
Status = STATUS_NOT_SUPPORTED;
return Status;
}
DPRINT("PcNewPort Status %lx\n", Status);
return Status;
}