Windows2003-3790/enduser/netmeeting/av/codecs/lh/fv_x8.h
2020-09-30 16:53:55 +02:00

98 lines
2.3 KiB
C

/*
* Project: LHCODING.DLL (L&H Speech Coding SDK)
* Workfile: fv_m8.h + fv_h8.h + private
* Author: Alfred Wiesen
* Created: 13 June 1995
* Last update: 14 February 1996
* DLL Version: 1
* Revision:
* Comment:
*
* (C) Copyright 1993-94 Lernout & Hauspie Speech Products N.V. (TM)
* All rights reserved. Company confidential.
*/
# ifndef __FV_X8_H /* avoid multiple include */
# define __FV_X8_H
#pragma pack(push,8)
/*
* Type definition for the L&H functions returned values
*/
typedef long LH_ERRCODE;
typedef struct CodecInfo_tag {
WORD wPCMBufferSize;
WORD wCodedBufferSize;
WORD wBitsPerSamplePCM;
DWORD dwSampleRate;
WORD wFormatSubTag;
char wFormatSubTagName[40];
DWORD dwDLLVersion;
} CODECINFO, near *PCODECINFO, far *LPCODECINFO;
/*
* Possible values for the LH_ERRCODE type
*/
# define LH_SUCCESS (0) /* everything is OK */
# define LH_EFAILURE (-1) /* something went wrong */
# define LH_EBADARG (-2) /* one of the given argument is incorrect */
# define LH_BADHANDLE (-3) /* bad handle passed to function */
/*
* Some real types are defined here
*/
# ifdef __cplusplus
# define LH_PREFIX extern "C"
# else
# define LH_PREFIX
# endif
#if 0
# define LH_SUFFIX FAR PASCAL
#else
# define LH_SUFFIX
#endif
/*
* The function prototypes for 4800 bps, 8000 bps, 12000 bps, 16000 bps, 8000 Hz, Fixed point
*/
LH_PREFIX HANDLE LH_SUFFIX MSLHSB_Open_Coder(DWORD dwMaxBitRate);
LH_PREFIX LH_ERRCODE LH_SUFFIX MSLHSB_Encode(
HANDLE hAccess,
LPBYTE inputBufferPtr,
LPWORD inputBufferLength,
LPBYTE outputBufferPtr,
LPWORD outputBufferLength
);
LH_PREFIX LH_ERRCODE LH_SUFFIX MSLHSB_Close_Coder(HANDLE hAccess);
LH_PREFIX HANDLE LH_SUFFIX MSLHSB_Open_Decoder(DWORD dwMaxBitRate);
LH_PREFIX LH_ERRCODE LH_SUFFIX MSLHSB_Decode(
HANDLE hAccess,
LPBYTE inputBufferPtr,
LPWORD inputBufferLength,
LPBYTE outputBufferPtr,
LPWORD outputBufferLength
);
LH_PREFIX LH_ERRCODE LH_SUFFIX MSLHSB_Close_Decoder(HANDLE hAccess);
LH_PREFIX LH_ERRCODE LH_SUFFIX MSLHSB_GetCodecInfo(LPCODECINFO lpCodecInfo, DWORD dwMaxBitRate);
#pragma pack(pop)
# endif /* avoid multiple include */