Source code of Windows XP (NT5)
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//==========================================================================;
//
// msacmdrv.h
//
// Copyright (c) 1992-1999 Microsoft Corporation. All Rights Reserved.
//
// Description:
// Audio Compression Manager Public Header File for Drivers
//
// History:
//
//==========================================================================;
#ifndef _INC_ACMDRV
#define _INC_ACMDRV /* #defined if msacmdrv.h has been included */
#if _MSC_VER > 1000
#pragma once
#endif
#if !defined(_INC_ACM)
#ifndef RC_INVOKED
#error MSACM.H to be included first
#endif
#endif
#include "pshpack1.h" /* Assume byte packing throughout */
#ifdef __cplusplus
extern "C" { /* Assume C declarations for C++ */#endif /* __cplusplus */
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
//
// ACM Driver Version:
//
// the version is a 32 bit number that is broken into three parts as
// follows:
//
// bits 24 - 31: 8 bit _major_ version number
// bits 16 - 23: 8 bit _minor_ version number
// bits 0 - 15: 16 bit build number
//
// this is then displayed as follows:
//
// bMajor = (BYTE)(dwVersion >> 24)
// bMinor = (BYTE)(dwVersion >> 16) &
// wBuild = LOWORD(dwVersion)
//
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
#define MAKE_ACM_VERSION(mjr, mnr, bld) (((long)(mjr)<<24)| \
((long)(mnr)<<16)| \ ((long)bld))
#ifdef WIN32
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
//
// under WIN32 all drivers use unicode structures. these have already
// been #defined in MSACM.H. however, regardless of whether UNICODE is
// defined, we will define these structures as unicode structures for use
// in 32-bit drivers.
//
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
#undef ACMDRIVERDETAILS
#undef PACMDRIVERDETAILS
#undef LPACMDRIVERDETAILS
#undef ACMFORMATTAGDETAILS
#undef PACMFORMATTAGDETAILS
#undef LPACMFORMATTAGDETAILS
#undef ACMFORMATDETAILS
#undef PACMFORMATDETAILS
#undef LPACMFORMATDETAILS
#undef ACMFORMATCHOOSE
#undef PACMFORMATCHOOSE
#undef LPACMFORMATCHOOSE
#undef ACMFILTERTAGDETAILS
#undef PACMFILTERTAGDETAILS
#undef LPACMFILTERTAGDETAILS
#undef ACMFILTERDETAILS
#undef PACMFILTERDETAILS
#undef LPACMFILTERDETAILS
#undef ACMFILTERCHOOSE
#undef PACMFILTERCHOOSE
#undef LPACMFILTERCHOOSE
#define ACMDRIVERDETAILS ACMDRIVERDETAILSW
#define PACMDRIVERDETAILS PACMDRIVERDETAILSW
#define LPACMDRIVERDETAILS LPACMDRIVERDETAILSW
#define ACMFORMATTAGDETAILS ACMFORMATTAGDETAILSW
#define PACMFORMATTAGDETAILS PACMFORMATTAGDETAILSW
#define LPACMFORMATTAGDETAILS LPACMFORMATTAGDETAILSW
#define ACMFORMATDETAILS ACMFORMATDETAILSW
#define PACMFORMATDETAILS PACMFORMATDETAILSW
#define LPACMFORMATDETAILS LPACMFORMATDETAILSW
#define ACMFORMATCHOOSE ACMFORMATCHOOSEW
#define PACMFORMATCHOOSE PACMFORMATCHOOSEW
#define LPACMFORMATCHOOSE LPACMFORMATCHOOSEW
#define ACMFILTERTAGDETAILS ACMFILTERTAGDETAILSW
#define PACMFILTERTAGDETAILS PACMFILTERTAGDETAILSW
#define LPACMFILTERTAGDETAILS LPACMFILTERTAGDETAILSW
#define ACMFILTERDETAILS ACMFILTERDETAILSW
#define PACMFILTERDETAILS PACMFILTERDETAILSW
#define LPACMFILTERDETAILS LPACMFILTERDETAILSW
#define ACMFILTERCHOOSE ACMFILTERCHOOSEW
#define PACMFILTERCHOOSE PACMFILTERCHOOSEW
#define LPACMFILTERCHOOSE LPACMFILTERCHOOSEW
#endif
//
//
//
//
//
#define ACMDRVOPENDESC_SECTIONNAME_CHARS
#ifdef _WIN32
typedef struct tACMDRVOPENDESCA{ DWORD cbStruct; // sizeof(ACMDRVOPENDESC)
FOURCC fccType; // 'audc'
FOURCC fccComp; // sub-type (not used--must be 0)
DWORD dwVersion; // current version of ACM opening you
DWORD dwFlags; //
DWORD dwError; // result from DRV_OPEN request
LPCSTR pszSectionName; // see DRVCONFIGINFO.lpszDCISectionName
LPCSTR pszAliasName; // see DRVCONFIGINFO.lpszDCIAliasName
DWORD dnDevNode; // devnode id for pnp drivers.
} ACMDRVOPENDESCA, *PACMDRVOPENDESCA, FAR *LPACMDRVOPENDESCA;
typedef struct tACMDRVOPENDESCW{ DWORD cbStruct; // sizeof(ACMDRVOPENDESC)
FOURCC fccType; // 'audc'
FOURCC fccComp; // sub-type (not used--must be 0)
DWORD dwVersion; // current version of ACM opening you
DWORD dwFlags; //
DWORD dwError; // result from DRV_OPEN request
LPCWSTR pszSectionName; // see DRVCONFIGINFO.lpszDCISectionName
LPCWSTR pszAliasName; // see DRVCONFIGINFO.lpszDCIAliasName
DWORD dnDevNode; // devnode id for pnp drivers.
} ACMDRVOPENDESCW, *PACMDRVOPENDESCW, FAR *LPACMDRVOPENDESCW;
#define ACMDRVOPENDESC ACMDRVOPENDESCW
#define PACMDRVOPENDESC PACMDRVOPENDESCW
#define LPACMDRVOPENDESC LPACMDRVOPENDESCW
#else
typedef struct tACMDRVOPENDESC{ DWORD cbStruct; // sizeof(ACMDRVOPENDESC)
FOURCC fccType; // 'audc'
FOURCC fccComp; // sub-type (not used--must be 0)
DWORD dwVersion; // current version of ACM opening you
DWORD dwFlags; //
DWORD dwError; // result from DRV_OPEN request
LPCSTR pszSectionName; // see DRVCONFIGINFO.lpszDCISectionName
LPCSTR pszAliasName; // see DRVCONFIGINFO.lpszDCIAliasName
DWORD dnDevNode; // devnode id for pnp drivers.
} ACMDRVOPENDESC, *PACMDRVOPENDESC, FAR *LPACMDRVOPENDESC;#endif
//
//
//
//
//
typedef struct tACMDRVSTREAMINSTANCE{ DWORD cbStruct; LPWAVEFORMATEX pwfxSrc; LPWAVEFORMATEX pwfxDst; LPWAVEFILTER pwfltr; DWORD_PTR dwCallback; DWORD_PTR dwInstance; DWORD fdwOpen; DWORD fdwDriver; DWORD_PTR dwDriver; HACMSTREAM has;
} ACMDRVSTREAMINSTANCE, *PACMDRVSTREAMINSTANCE, FAR *LPACMDRVSTREAMINSTANCE;
//
// NOTE! this structure must match the ACMSTREAMHEADER in msacm.h but
// defines more information for the driver writing convenience
//
typedef struct tACMDRVSTREAMHEADER FAR *LPACMDRVSTREAMHEADER;typedef struct tACMDRVSTREAMHEADER{ DWORD cbStruct; DWORD fdwStatus; DWORD_PTR dwUser; LPBYTE pbSrc; DWORD cbSrcLength; DWORD cbSrcLengthUsed; DWORD_PTR dwSrcUser; LPBYTE pbDst; DWORD cbDstLength; DWORD cbDstLengthUsed; DWORD_PTR dwDstUser;
DWORD fdwConvert; // flags passed from convert func
LPACMDRVSTREAMHEADER padshNext; // for async driver queueing
DWORD fdwDriver; // driver instance flags
DWORD_PTR dwDriver; // driver instance data
//
// all remaining fields are used by the ACM for bookkeeping purposes.
// an ACM driver should never use these fields (though than can be
// helpful for debugging)--note that the meaning of these fields
// may change, so do NOT rely on them in shipping code.
//
DWORD fdwPrepared; DWORD_PTR dwPrepared; LPBYTE pbPreparedSrc; DWORD cbPreparedSrcLength; LPBYTE pbPreparedDst; DWORD cbPreparedDstLength;
} ACMDRVSTREAMHEADER, *PACMDRVSTREAMHEADER;
//
// structure for ACMDM_STREAM_SIZE message
//
//
typedef struct tACMDRVSTREAMSIZE{ DWORD cbStruct; DWORD fdwSize; DWORD cbSrcLength; DWORD cbDstLength;
} ACMDRVSTREAMSIZE, *PACMDRVSTREAMSIZE, FAR *LPACMDRVSTREAMSIZE;
//
// structure containing the information for the ACMDM_FORMAT_SUGGEST message
//
//
typedef struct tACMDRVFORMATSUGGEST{ DWORD cbStruct; // sizeof(ACMDRVFORMATSUGGEST)
DWORD fdwSuggest; // Suggest flags
LPWAVEFORMATEX pwfxSrc; // Source Format
DWORD cbwfxSrc; // Source Size
LPWAVEFORMATEX pwfxDst; // Dest format
DWORD cbwfxDst; // Dest Size
} ACMDRVFORMATSUGGEST, *PACMDRVFORMATSUGGEST, FAR *LPACMDRVFORMATSUGGEST;
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
//
// ACM Driver Messages
//
//
//
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
#define ACMDM_DRIVER_NOTIFY (ACMDM_BASE + 1)
#define ACMDM_DRIVER_DETAILS (ACMDM_BASE + 10)
#define ACMDM_HARDWARE_WAVE_CAPS_INPUT (ACMDM_BASE + 20)
#define ACMDM_HARDWARE_WAVE_CAPS_OUTPUT (ACMDM_BASE + 21)
#define ACMDM_FORMATTAG_DETAILS (ACMDM_BASE + 25)
#define ACMDM_FORMAT_DETAILS (ACMDM_BASE + 26)
#define ACMDM_FORMAT_SUGGEST (ACMDM_BASE + 27)
#define ACMDM_FILTERTAG_DETAILS (ACMDM_BASE + 50)
#define ACMDM_FILTER_DETAILS (ACMDM_BASE + 51)
#define ACMDM_STREAM_OPEN (ACMDM_BASE + 76)
#define ACMDM_STREAM_CLOSE (ACMDM_BASE + 77)
#define ACMDM_STREAM_SIZE (ACMDM_BASE + 78)
#define ACMDM_STREAM_CONVERT (ACMDM_BASE + 79)
#define ACMDM_STREAM_RESET (ACMDM_BASE + 80)
#define ACMDM_STREAM_PREPARE (ACMDM_BASE + 81)
#define ACMDM_STREAM_UNPREPARE (ACMDM_BASE + 82)
#define ACMDM_STREAM_UPDATE (ACMDM_BASE + 83)
#include "poppack.h" /* Revert to default packing */
#ifdef __cplusplus
} /* End of extern "C" { */#endif /* __cplusplus */
#endif /* _INC_ACMDRV */
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