#ifndef DEVICES_AUDIO_H
#define DEVICES_AUDIO_H
/*
**	$Filename: devices/audio.h $
**	$Release: 2.04 Includes, V37.4 $
**	$Revision: 36.3 $
**	$Date: 90/08/29 $
**
**	audio.device include file
**
**	(C) Copyright 1985-1999 Amiga, Inc.
**	    All Rights Reserved
*/

#ifndef EXEC_IO_H
#include "exec/io.h"
#endif

#define AUDIONAME		"audio.device"

#define ADHARD_CHANNELS		4

#define ADALLOC_MINPREC		-128
#define ADALLOC_MAXPREC		127

#define ADCMD_FREE		(CMD_NONSTD+0)
#define ADCMD_SETPREC		(CMD_NONSTD+1)
#define ADCMD_FINISH		(CMD_NONSTD+2)
#define ADCMD_PERVOL		(CMD_NONSTD+3)
#define ADCMD_LOCK		(CMD_NONSTD+4)
#define ADCMD_WAITCYCLE		(CMD_NONSTD+5)
#define ADCMD_ALLOCATE		32

#define ADIOB_PERVOL		4
#define ADIOF_PERVOL		(1<<4)
#define ADIOB_SYNCCYCLE		5
#define ADIOF_SYNCCYCLE		(1<<5)
#define ADIOB_NOWAIT		6
#define ADIOF_NOWAIT		(1<<6)
#define ADIOB_WRITEMESSAGE	7
#define ADIOF_WRITEMESSAGE	(1<<7)

#define ADIOERR_NOALLOCATION	-10
#define ADIOERR_ALLOCFAILED	-11
#define ADIOERR_CHANNELSTOLEN	-12

struct IOAudio {
    struct IORequest ioa_Request;
    WORD ioa_AllocKey;
    UBYTE *ioa_Data;
    ULONG ioa_Length;
    UWORD ioa_Period;
    UWORD ioa_Volume;
    UWORD ioa_Cycles;
    struct Message ioa_WriteMsg;
};

#endif	/* DEVICES_AUDIO_H */