Leaked source code of windows server 2003
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//--------------------------------------------------------------------------;
//
// File: dslevel.h
//
// Copyright (c) 1997 Microsoft Corporation. All rights reserved
//
//
//--------------------------------------------------------------------------;
#pragma once
#include "advaudio.h"
#ifdef __cplusplus
extern "C" { /* Assume C declarations for C++ */
#endif /* __cplusplus */
HRESULT DSGetGuidFromName(LPTSTR szName, BOOL fRecord, LPGUID pGuid);
HRESULT DSGetCplValues(GUID guid, BOOL fRecord, LPCPLDATA pData);
HRESULT DSSetCplValues(GUID guid, BOOL fRecord, const LPCPLDATA pData);
HRESULT DSGetAcceleration(GUID guid, BOOL fRecord, LPDWORD pdwHWLevel);
HRESULT DSGetSrcQuality(GUID guid, BOOL fRecord, LPDWORD pdwSRCLevel);
HRESULT DSGetSpeakerConfigType(GUID guid, BOOL fRecord, LPDWORD pdwSpeakerConfig, LPDWORD pdwSpeakerType);
HRESULT DSSetAcceleration(GUID guid, BOOL fRecord, DWORD dwHWLevel);
HRESULT DSSetSrcQuality(GUID guid, BOOL fRecord, DWORD dwSRCLevel);
HRESULT DSSetSpeakerConfigType(GUID guid, BOOL fRecord, DWORD dwSpeakerConfig, DWORD dwSpeakerType);
#ifdef __cplusplus
} // extern "C"
#endif