52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
/*==========================================================================
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*
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* Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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*
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* File: dsutils.h
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* Content: declares general DirectSound utils, particularly error stuff
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*
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* History:
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* Date By Reason
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* ==== == ======
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* 07/16/99 rodtoll Created
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*
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***************************************************************************/
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#ifndef __DIRECTSOUNDUTILS_H
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#define __DIRECTSOUNDUTILS_H
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// DirectXException
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//
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// This class is the exception class for handling exceptions from
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// errors from DirectSound. It is used by the DSCHECK macro to
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// check return codes from DirectSound calls.
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//
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// It provides an implementation of the DirectXException and
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// provides mapping from HRESULTs to string descriptions of
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// directsound errors.
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//
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class DirectSoundException: public DirectXException
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{
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public:
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DirectSoundException(
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const TCHAR *funcName, HRESULT result,
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const unsigned int moduleID = 0, unsigned int lineNumber = 0
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): DirectXException( funcName, result, moduleID, lineNumber )
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{
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MapResultToString();
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};
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protected:
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void MapResultToString();
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};
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// DSCHECK MACRO
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//
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// This macro is used to check the return codes from DirectSound calls. If
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// the directsound call does not return a DS_OK, a DirectSoundException exception
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// is created and thrown.
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//
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#define DSCHECK(x) if( x != DS_OK ) { throw DirectSoundException( "", x, 0, __LINE__ ); }
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#endif
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