/* * $Id: drivers.h 1.4 1996/08/05 18:51:19 chasan released $ * * Audio device drivers interface * * Copyright (C) 1995-1999 Carlos Hasan * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */#ifndef __DRIVERS_H#define __DRIVERS_H#ifndef __AUDIO_H#include "audio.h"#endif#ifdef __cplusplusextern "C" {#endif/* * Audio device driver structures */    typedef struct {	UINT    (AIAPI* GetAudioCaps)(LPAUDIOCAPS);	UINT    (AIAPI* PingAudio)(VOID);	UINT    (AIAPI* OpenAudio)(LPAUDIOINFO);	UINT    (AIAPI* CloseAudio)(VOID);	UINT    (AIAPI* UpdateAudio)(UINT);	UINT    (AIAPI* SetAudioCallback)(LPFNAUDIOWAVE);    } AUDIOWAVEDRIVER, *LPAUDIOWAVEDRIVER;    typedef struct {	UINT    (AIAPI* GetAudioCaps)(LPAUDIOCAPS);	UINT    (AIAPI* PingAudio)(VOID);	UINT    (AIAPI* OpenAudio)(LPAUDIOINFO);	UINT    (AIAPI* CloseAudio)(VOID);	UINT    (AIAPI* UpdateAudio)(VOID);	UINT    (AIAPI* OpenVoices)(UINT);	UINT    (AIAPI* CloseVoices)(VOID);	UINT    (AIAPI* SetAudioTimerProc)(LPFNAUDIOTIMER);	UINT    (AIAPI* SetAudioTimerRate)(UINT);	UINT    (AIAPI* SetAudioMixerValue)(UINT, UINT); /*NEW:1998/10/24*/	LONG    (AIAPI* GetAudioDataAvail)(VOID);	UINT    (AIAPI* CreateAudioData)(LPAUDIOWAVE);	UINT    (AIAPI* DestroyAudioData)(LPAUDIOWAVE);	UINT    (AIAPI* WriteAudioData)(LPAUDIOWAVE, DWORD, UINT);	UINT    (AIAPI* PrimeVoice)(UINT, LPAUDIOWAVE);	UINT    (AIAPI* StartVoice)(UINT);	UINT    (AIAPI* StopVoice)(UINT);	UINT    (AIAPI* SetVoicePosition)(UINT, LONG);	UINT    (AIAPI* SetVoiceFrequency)(UINT, LONG);	UINT    (AIAPI* SetVoiceVolume)(UINT, UINT);	UINT    (AIAPI* SetVoicePanning)(UINT, UINT);	UINT    (AIAPI* GetVoicePosition)(UINT, LPLONG);	UINT    (AIAPI* GetVoiceFrequency)(UINT, LPLONG);	UINT    (AIAPI* GetVoiceVolume)(UINT, LPUINT);	UINT    (AIAPI* GetVoicePanning)(UINT, LPUINT);	UINT    (AIAPI* GetVoiceStatus)(UINT, LPBOOL);    } AUDIOSYNTHDRIVER, *LPAUDIOSYNTHDRIVER;    typedef struct {	LPAUDIOWAVEDRIVER lpWaveDriver;	LPAUDIOSYNTHDRIVER lpSynthDriver;    } AUDIODRIVER, *LPAUDIODRIVER;/* * External device-independant software drivers */    extern AUDIODRIVER NoneDriver;    extern AUDIOWAVEDRIVER NoneWaveDriver;    extern AUDIOSYNTHDRIVER NoneSynthDriver;    extern AUDIOSYNTHDRIVER EmuSynthDriver;#ifdef __cplusplus};#endif#endif