#ifndef DEVICES_AUDIO_H
#define DEVICES_AUDIO_H
/*
**      $VER: audio.h 36.3 (29.8.1990)
**      Includes Release 44.1
**
**      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 */