windows-nt/Source/XPSP1/NT/multimedia/directx/dplay/dvoice/dxvutils/dvcdb.h
2020-09-26 16:20:57 +08:00

39 lines
1.6 KiB
C

/*==========================================================================
*
* Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
*
* File: dvcdb.h
* Content: structures, data types and functions for the
* compression subsystem
*
* History:
* Date By Reason
* ==== == ======
* 08/23/99 rodtoll Created
* 09/08/99 rodtoll Moved the dwMaxBitsPerSecond field to the DVCOMPRESSIONINFO struct
* 10/07/99 rodtoll Updated to work in Unicode
* 10/29/99 rodtoll Bug #113726 - Integrate Voxware Codecs, updating to use new
* pluggable codec architecture.
* 03/03/2000 rodtoll Updated to handle alternative gamevoice build.
*
***************************************************************************/
#ifndef __DVCDB_H
#define __DVCDB_H
HRESULT DVCDB_LoadCompressionInfo(const WCHAR *swzBaseRegistryPath );
HRESULT DVCDB_FreeCompressionInfo();
HRESULT CREG_ReadAndAllocWaveFormatEx( HKEY hkeyReg, const LPWSTR path, LPWAVEFORMATEX *lpwfxFormat );
HRESULT DVCDB_GetCompressionInfo( GUID guidType, PDVFULLCOMPRESSIONINFO *lpdvfCompressionInfo );
HRESULT DVCDB_IsValidCompressionType( GUID guidType );
HRESULT DVCDB_CreateConverter( GUID guidSrc, WAVEFORMATEX *pwfxTarget, PDPVCOMPRESSOR *pConverter );
HRESULT DVCDB_CreateConverter( WAVEFORMATEX *pwfxSrcFormat, GUID guidTarget, PDPVCOMPRESSOR *pConverter );
DWORD DVCDB_CalcUnCompressedFrameSize( LPDVFULLCOMPRESSIONINFO lpdvInfo, LPWAVEFORMATEX lpwfxFormat );
HRESULT DVCDB_CopyCompressionArrayToBuffer( LPVOID lpBuffer, LPDWORD lpdwSize, LPDWORD lpdwNumElements, DWORD dwFlags );
DWORD DVCDB_GetCompressionInfoSize( LPDVCOMPRESSIONINFO lpdvCompressionInfo );
#endif