257 lines
8.0 KiB
C
257 lines
8.0 KiB
C
//==========================================================================;
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// msacmdrv.h
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// Copyright (c) 1992-1993 Microsoft Corporation. All Rights Reserved.
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// Description:
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// Audio Compression Manager Public Header File for Drivers
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// History:
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//==========================================================================;
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#ifndef _INC_ACMDRV
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#define _INC_ACMDRV /* #defined if msacmdrv.h has been included */
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#ifndef RC_INVOKED
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#pragma pack(1) /* Assume byte packing throughout */
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#endif /* RC_INVOKED */
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#ifdef __cplusplus
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extern "C" { /* Assume C declarations for C++ */
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#endif /* __cplusplus */
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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// ACM Driver Version:
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// the version is a 32 bit number that is broken into three parts as
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// follows:
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// bits 24 - 31: 8 bit _major_ version number
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// bits 16 - 23: 8 bit _minor_ version number
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// bits 0 - 15: 16 bit build number
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// this is then displayed as follows:
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// bMajor = (BYTE)(dwVersion >> 24)
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// bMinor = (BYTE)(dwVersion >> 16) &
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// wBuild = LOWORD(dwVersion)
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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#define MAKE_ACM_VERSION(mjr, mnr, bld) (((long)(mjr)<<24)| \
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((long)(mnr)<<16)| \
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((long)bld))
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#define ACMDRVOPENDESC_SECTIONNAME_CHARS
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#ifdef _WIN32
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typedef struct tACMDRVOPENDESCA
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{
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DWORD cbStruct; // sizeof(ACMDRVOPENDESC)
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FOURCC fccType; // 'audc'
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FOURCC fccComp; // sub-type (not used--must be 0)
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DWORD dwVersion; // current version of ACM opening you
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DWORD dwFlags; //
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DWORD dwError; // result from DRV_OPEN request
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LPCSTR pszSectionName; // see DRVCONFIGINFO.lpszDCISectionName
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LPCSTR pszAliasName; // see DRVCONFIGINFO.lpszDCIAliasName
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} ACMDRVOPENDESCA, *PACMDRVOPENDESCA, FAR *LPACMDRVOPENDESCA;
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typedef struct tACMDRVOPENDESCW
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{
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DWORD cbStruct; // sizeof(ACMDRVOPENDESC)
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FOURCC fccType; // 'audc'
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FOURCC fccComp; // sub-type (not used--must be 0)
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DWORD dwVersion; // current version of ACM opening you
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DWORD dwFlags; //
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DWORD dwError; // result from DRV_OPEN request
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LPCWSTR pszSectionName; // see DRVCONFIGINFO.lpszDCISectionName
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LPCWSTR pszAliasName; // see DRVCONFIGINFO.lpszDCIAliasName
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} ACMDRVOPENDESCW, *PACMDRVOPENDESCW, FAR *LPACMDRVOPENDESCW;
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#ifdef _UNICODE
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#define ACMDRVOPENDESC ACMDRVOPENDESCW
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#define PACMDRVOPENDESC PACMDRVOPENDESCW
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#define LPACMDRVOPENDESC LPACMDRVOPENDESCW
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#else
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#define ACMDRVOPENDESC ACMDRVOPENDESCA
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#define PACMDRVOPENDESC PACMDRVOPENDESCA
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#define LPACMDRVOPENDESC LPACMDRVOPENDESCA
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#endif
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#else
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typedef struct tACMDRVOPENDESC
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{
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DWORD cbStruct; // sizeof(ACMDRVOPENDESC)
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FOURCC fccType; // 'audc'
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FOURCC fccComp; // sub-type (not used--must be 0)
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DWORD dwVersion; // current version of ACM opening you
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DWORD dwFlags; //
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DWORD dwError; // result from DRV_OPEN request
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LPCSTR pszSectionName; // see DRVCONFIGINFO.lpszDCISectionName
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LPCSTR pszAliasName; // see DRVCONFIGINFO.lpszDCIAliasName
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} ACMDRVOPENDESC, *PACMDRVOPENDESC, FAR *LPACMDRVOPENDESC;
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#endif
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typedef struct tACMDRVSTREAMINSTANCE
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{
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DWORD cbStruct;
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LPWAVEFORMATEX pwfxSrc;
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LPWAVEFORMATEX pwfxDst;
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LPWAVEFILTER pwfltr;
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DWORD dwCallback;
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DWORD dwInstance;
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DWORD fdwOpen;
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DWORD fdwDriver;
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DWORD dwDriver;
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HACMSTREAM has;
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} ACMDRVSTREAMINSTANCE, *PACMDRVSTREAMINSTANCE, FAR *LPACMDRVSTREAMINSTANCE;
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// NOTE! this structure must match the ACMSTREAMHEADER in msacm.h but
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// defines more information for the driver writing convenience
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typedef struct tACMDRVSTREAMHEADER FAR *LPACMDRVSTREAMHEADER;
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typedef struct tACMDRVSTREAMHEADER
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{
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DWORD cbStruct;
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DWORD fdwStatus;
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DWORD dwUser;
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LPBYTE pbSrc;
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DWORD cbSrcLength;
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DWORD cbSrcLengthUsed;
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DWORD dwSrcUser;
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LPBYTE pbDst;
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DWORD cbDstLength;
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DWORD cbDstLengthUsed;
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DWORD dwDstUser;
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DWORD fdwConvert; // flags passed from convert func
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LPACMDRVSTREAMHEADER padshNext; // for async driver queueing
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DWORD fdwDriver; // driver instance flags
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DWORD dwDriver; // driver instance data
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// all remaining fields are used by the ACM for bookkeeping purposes.
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// an ACM driver should never use these fields (though than can be
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// helpful for debugging)--note that the meaning of these fields
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// may change, so do NOT rely on them in shipping code.
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DWORD fdwPrepared;
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DWORD dwPrepared;
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LPBYTE pbPreparedSrc;
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DWORD cbPreparedSrcLength;
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LPBYTE pbPreparedDst;
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DWORD cbPreparedDstLength;
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} ACMDRVSTREAMHEADER, *PACMDRVSTREAMHEADER;
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// structure for ACMDM_STREAM_SIZE message
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typedef struct tACMDRVSTREAMSIZE
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{
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DWORD cbStruct;
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DWORD fdwSize;
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DWORD cbSrcLength;
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DWORD cbDstLength;
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} ACMDRVSTREAMSIZE, *PACMDRVSTREAMSIZE, FAR *LPACMDRVSTREAMSIZE;
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// structure containing the information for the ACMDM_FORMAT_SUGGEST message
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typedef struct tACMDRVFORMATSUGGEST
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{
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DWORD cbStruct; // sizeof(ACMDRVFORMATSUGGEST)
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DWORD fdwSuggest; // Suggest flags
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LPWAVEFORMATEX pwfxSrc; // Source Format
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DWORD cbwfxSrc; // Source Size
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LPWAVEFORMATEX pwfxDst; // Dest format
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DWORD cbwfxDst; // Dest Size
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} ACMDRVFORMATSUGGEST, *PACMDRVFORMATSUGGEST, FAR *LPACMDRVFORMATSUGGEST;
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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#ifndef WIN32
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LRESULT ACMAPI acmApplicationExit(HTASK htask, LPARAM lParam);
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BOOL ACMAPI acmHugePageLock(LPBYTE pbArea, DWORD cbBuffer);
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void ACMAPI acmHugePageUnlock(LPBYTE pbArea, DWORD cbBuffer);
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#endif
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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// ACM Driver Messages
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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#define ACMDM_DRIVER_NOTIFY (ACMDM_BASE + 1)
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#define ACMDM_DRIVER_DETAILS (ACMDM_BASE + 10)
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#define ACMDM_HARDWARE_WAVE_CAPS_INPUT (ACMDM_BASE + 20)
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#define ACMDM_HARDWARE_WAVE_CAPS_OUTPUT (ACMDM_BASE + 21)
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#define ACMDM_FORMATTAG_DETAILS (ACMDM_BASE + 25)
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#define ACMDM_FORMAT_DETAILS (ACMDM_BASE + 26)
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#define ACMDM_FORMAT_SUGGEST (ACMDM_BASE + 27)
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#define ACMDM_FILTERTAG_DETAILS (ACMDM_BASE + 50)
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#define ACMDM_FILTER_DETAILS (ACMDM_BASE + 51)
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#define ACMDM_STREAM_OPEN (ACMDM_BASE + 76)
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#define ACMDM_STREAM_CLOSE (ACMDM_BASE + 77)
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#define ACMDM_STREAM_SIZE (ACMDM_BASE + 78)
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#define ACMDM_STREAM_CONVERT (ACMDM_BASE + 79)
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#define ACMDM_STREAM_RESET (ACMDM_BASE + 80)
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#define ACMDM_STREAM_PREPARE (ACMDM_BASE + 81)
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#define ACMDM_STREAM_UNPREPARE (ACMDM_BASE + 82)
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#ifndef RC_INVOKED
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#pragma pack() /* Revert to default packing */
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#endif /* RC_INVOKED */
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#ifdef __cplusplus
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} /* End of extern "C" { */
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#endif /* __cplusplus */
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#endif /* _INC_ACMDRV */
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