169 lines
4.7 KiB
C
169 lines
4.7 KiB
C
//==========================================================================;
|
|
//
|
|
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
|
|
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
|
|
// PURPOSE.
|
|
//
|
|
// Copyright (c) 1992-1994 Microsoft Corporation
|
|
//
|
|
//--------------------------------------------------------------------------;
|
|
//
|
|
// imaadpcm.h
|
|
//
|
|
// Description:
|
|
// This file contains prototypes for the filtering routines.
|
|
//
|
|
//
|
|
//==========================================================================;
|
|
|
|
#ifndef _IMAADPCM_H_
|
|
#define _IMAADPCM_H_
|
|
|
|
#ifndef RC_INVOKED
|
|
#pragma pack(1) // assume byte packing throughout
|
|
#endif
|
|
|
|
#ifndef EXTERN_C
|
|
#ifdef __cplusplus
|
|
#define EXTERN_C extern "C"
|
|
#else
|
|
#define EXTERN_C extern
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" // assume C declarations for C++
|
|
{
|
|
#endif
|
|
|
|
|
|
//
|
|
//
|
|
//
|
|
//
|
|
#define IMAADPCM_MAX_CHANNELS 2
|
|
#define IMAADPCM_BITS_PER_SAMPLE 4
|
|
#define IMAADPCM_WFX_EXTRA_BYTES (sizeof(IMAADPCMWAVEFORMAT) - sizeof(WAVEFORMATEX))
|
|
#define IMAADPCM_HEADER_LENGTH 4 // In bytes, per channel.
|
|
|
|
#ifdef IMAADPCM_USECONFIG
|
|
#define IMAADPCM_CONFIGTESTTIME 4 // seconds of PCM data for test.
|
|
#define IMAADPCM_CONFIG_DEFAULT 0x0000
|
|
#define IMAADPCM_CONFIG_DEFAULT_MAXRTENCODESETTING 5
|
|
#define IMAADPCM_CONFIG_DEFAULT_MAXRTDECODESETTING 6
|
|
#define IMAADPCM_CONFIG_UNCONFIGURED 0x0999
|
|
#define IMAADPCM_CONFIG_DEFAULT_PERCENTCPU 50
|
|
#define IMAADPCM_CONFIG_TEXTLEN 80
|
|
#define IMAADPCM_CONFIG_DEFAULTKEY HKEY_CURRENT_USER
|
|
#endif
|
|
|
|
|
|
//
|
|
// Conversion function prototypes.
|
|
//
|
|
DWORD FNGLOBAL imaadpcmDecode4Bit_M08
|
|
(
|
|
HPBYTE pbSrc,
|
|
DWORD cbSrcLength,
|
|
HPBYTE pbDst,
|
|
UINT nBlockAlignment,
|
|
UINT cSamplesPerBlock,
|
|
int * pnStepIndexL,
|
|
int * pnStepIndexR
|
|
);
|
|
|
|
DWORD FNGLOBAL imaadpcmDecode4Bit_M16
|
|
(
|
|
HPBYTE pbSrc,
|
|
DWORD cbSrcLength,
|
|
HPBYTE pbDst,
|
|
UINT nBlockAlignment,
|
|
UINT cSamplesPerBlock,
|
|
int * pnStepIndexL,
|
|
int * pnStepIndexR
|
|
);
|
|
|
|
DWORD FNGLOBAL imaadpcmDecode4Bit_S08
|
|
(
|
|
HPBYTE pbSrc,
|
|
DWORD cbSrcLength,
|
|
HPBYTE pbDst,
|
|
UINT nBlockAlignment,
|
|
UINT cSamplesPerBlock,
|
|
int * pnStepIndexL,
|
|
int * pnStepIndexR
|
|
);
|
|
|
|
DWORD FNGLOBAL imaadpcmDecode4Bit_S16
|
|
(
|
|
HPBYTE pbSrc,
|
|
DWORD cbSrcLength,
|
|
HPBYTE pbDst,
|
|
UINT nBlockAlignment,
|
|
UINT cSamplesPerBlock,
|
|
int * pnStepIndexL,
|
|
int * pnStepIndexR
|
|
);
|
|
|
|
DWORD FNGLOBAL imaadpcmEncode4Bit_M08
|
|
(
|
|
HPBYTE pbSrc,
|
|
DWORD cbSrcLength,
|
|
HPBYTE pbDst,
|
|
UINT nBlockAlignment,
|
|
UINT cSamplesPerBlock,
|
|
int * pnStepIndexL,
|
|
int * pnStepIndexR
|
|
);
|
|
|
|
DWORD FNGLOBAL imaadpcmEncode4Bit_M16
|
|
(
|
|
HPBYTE pbSrc,
|
|
DWORD cbSrcLength,
|
|
HPBYTE pbDst,
|
|
UINT nBlockAlignment,
|
|
UINT cSamplesPerBlock,
|
|
int * pnStepIndexL,
|
|
int * pnStepIndexR
|
|
);
|
|
|
|
DWORD FNGLOBAL imaadpcmEncode4Bit_S08
|
|
(
|
|
HPBYTE pbSrc,
|
|
DWORD cbSrcLength,
|
|
HPBYTE pbDst,
|
|
UINT nBlockAlignment,
|
|
UINT cSamplesPerBlock,
|
|
int * pnStepIndexL,
|
|
int * pnStepIndexR
|
|
);
|
|
|
|
DWORD FNGLOBAL imaadpcmEncode4Bit_S16
|
|
(
|
|
HPBYTE pbSrc,
|
|
DWORD cbSrcLength,
|
|
HPBYTE pbDst,
|
|
UINT nBlockAlignment,
|
|
UINT cSamplesPerBlock,
|
|
int * pnStepIndexL,
|
|
int * pnStepIndexR
|
|
);
|
|
|
|
|
|
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
|
|
//
|
|
//
|
|
//
|
|
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
|
|
|
|
#ifndef RC_INVOKED
|
|
#pragma pack() // revert to default packing
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
} // end of extern "C" {
|
|
#endif
|
|
|
|
#endif // _IMAADPCM_H_
|