213 lines
5 KiB
C
213 lines
5 KiB
C
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/***************************************************************************
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*
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* Copyright (C) 2000-2000 Microsoft Corporation. All Rights Reserved.
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*
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* File: kshlp.h
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* Content: WDM/CSA helper functions.
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* History:
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* Date By Reason
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* ==== == ======
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* 05/16/2000 jstokes Created.
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*
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***************************************************************************/
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#ifndef __KSHLP_H__
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#define __KSHLP_H__
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#include <windows.h>
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#include <ks.h>
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#include <ksmedia.h>
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#define KSPIN_DATAFLOW_CAPTURE KSPIN_DATAFLOW_OUT
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#define KSPIN_DATAFLOW_RENDER KSPIN_DATAFLOW_IN
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// Device-specific DirectSound property sets
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typedef struct tagKSDSPROPERTY
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{
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GUID PropertySet;
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ULONG PropertyId;
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ULONG NodeId;
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ULONG AccessFlags;
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} KSDSPROPERTY, *PKSDSPROPERTY;
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// KS stream data
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typedef struct tagKSSTREAMIO
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{
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KSSTREAM_HEADER Header;
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OVERLAPPED Overlapped;
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BOOL fPendingIrp;
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} KSSTREAMIO, *PKSSTREAMIO;
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// System audio device properties
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typedef struct tagKSSADPROPERTY
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{
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KSPROPERTY Property;
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ULONG DeviceId;
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ULONG Reserved;
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} KSSADPROPERTY, *PKSSADPROPERTY;
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// Topology node information
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typedef struct tagKSNODE
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{
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ULONG NodeId;
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ULONG CpuResources;
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} KSNODE, *PKSNODE;
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typedef struct tagKSVOLUMENODE
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{
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KSNODE Node;
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KSPROPERTY_STEPPING_LONG VolumeRange;
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} KSVOLUMENODE, *PKSVOLUMENODE;
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// Our own version of NTSTATUS
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typedef LONG NTSTATUS;
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#define NT_SUCCESS(s) ((NTSTATUS)(s) >= 0)
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#define NT_INFORMATION(s) ((ULONG)(s) >> 30 == 1)
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#define NT_WARNING(s) ((ULONG)(s) >> 30 == 2)
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#define NT_ERROR(s) ((ULONG)(s) >> 30 == 3)
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// Reserved node identifiers
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#define NODE_UNINITIALIZED 0xFFFFFFFF
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#define NODE_WILDCARD 0xFFFFFFFE
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#define NODE_PIN_UNINITIALIZED 0xFFFFFFFF
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#define IS_VALID_NODE(nodeid) \
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(NODE_UNINITIALIZED != (nodeid))
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// Node implementation
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#define KSAUDIO_CPU_RESOURCES_UNINITIALIZED 'ENON'
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#define IS_HARDWARE_NODE(impl) \
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(KSAUDIO_CPU_RESOURCES_NOT_HOST_CPU == (impl))
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#define IS_SOFTWARE_NODE(impl) \
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(KSAUDIO_CPU_RESOURCES_HOST_CPU == (impl))
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#ifdef __cplusplus
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HRESULT
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PostDevIoctl
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(
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HANDLE hDevice,
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DWORD dwControlCode,
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LPVOID pvIn = NULL,
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DWORD cbIn = 0,
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LPVOID pvOut = NULL,
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DWORD cbOut = 0,
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LPDWORD pcbReturned = NULL,
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LPOVERLAPPED pOverlapped = NULL
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);
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HRESULT
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KsGetProperty
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(
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HANDLE hDevice,
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REFGUID guidPropertySet,
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ULONG ulPropertyId,
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LPVOID pvData,
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ULONG cbData,
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PULONG pcbDataReturned = NULL
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);
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HRESULT
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KsSetProperty
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(
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HANDLE hDevice,
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REFGUID guidPropertySet,
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ULONG ulPropertyId,
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LPVOID pvData,
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ULONG cbData
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);
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HRESULT
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KsGetPinProperty
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(
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HANDLE hDevice,
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ULONG ulPropertyId,
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ULONG ulPinId,
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LPVOID pvData,
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ULONG cbData,
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PULONG pcbDataReturned = NULL
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);
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HRESULT
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KsSetPinProperty
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(
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HANDLE hDevice,
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ULONG ulPropertyId,
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ULONG ulPinId,
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LPVOID pvData,
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ULONG cbData
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);
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HRESULT
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KsGetNodeProperty
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(
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HANDLE hDevice,
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REFGUID guidPropertySet,
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ULONG ulPropertyId,
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ULONG ulNodeId,
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LPVOID pvData,
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ULONG cbData,
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PULONG pcbDataReturned = NULL
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);
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HRESULT
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KsSetNodeProperty
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(
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HANDLE hDevice,
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REFGUID guidPropertySet,
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ULONG ulPropertyId,
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ULONG ulNodeId,
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LPVOID pvData,
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ULONG cbData
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);
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HRESULT
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KsGetMultiplePinProperties
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(
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HANDLE hDevice,
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ULONG ulPropertyId,
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ULONG ulPinId,
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PKSMULTIPLE_ITEM * ppKsMultipleItem
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);
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HRESULT
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KsGetMultipleTopologyProperties
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(
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HANDLE hDevice,
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ULONG ulPropertyId,
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PKSMULTIPLE_ITEM * ppKsMultipleItem
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);
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HRESULT
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KsSetTopologyNodeEnable
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(
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HANDLE hDevice,
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ULONG ulNodeId,
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BOOL fEnable
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);
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HRESULT
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KsGetTopologyNodeEnable
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(
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HANDLE hDevice,
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ULONG ulNodeId,
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PBOOL pfEnable
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);
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HRESULT
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KsTopologyNodeReset
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(
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HANDLE hDevice,
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ULONG ulNodeId,
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BOOL fReset
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);
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#endif // __cplusplus
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#endif // __KSHLP_H__
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