/* audiotools.h */

#define StartChannel(c) ControlChannel(c, CMD_START)
#define StopChannel(c)  ControlChannel(c, CMD_STOP)
#define ResetChannel(c) ControlChannel(c, CMD_RESET)
#define FlushChannel(c) ControlChannel(c, CMD_FLUSH)

#define  BIG_WAVE          256L   /* size of biggest waveform */
#define  NBR_WAVES         7L     /* number of waves per instrument */
#define  WAVES_TOTAL       1024L  /* alloc size for instrument's waves */

#define  DEFAULT_DURATION  500L	  /* 500/1000ths of a second default */
#define  AUDBUFFERS        20L	  /* iob msg packets before need to allot */
#define  YES               1L
#define  NO                0L

/* In a later release, ExtIOB will be defined exactly as IOAudio but
 * with a few more items tacked on at the end.  This minimizes changes
 * to existing routines when we later extend the structure.
 */
#define  ExtIOB 	   IOAudio

/* a few forward declarations */

extern struct ExtIOB 	*GetIOB();
extern int 		FreeIOB();
extern int 		GetChannel();
extern int 		GetStereoPair();
extern int 		InitBlock();
extern struct MsgPort 	*CreatePort();