IFND LIBRARIES_AHISUB_I
LIBRARIES_AHISUB_I	SET	1

**
**	$VER: ahi_sub.i 1.6 (12.1.96)
**
**	ahi/<driver>.audio definitions
**
**	(C) Copyright 1994-1996 Martin Blom
**	All Rights Reserved.
**
** (TAB SIZE: 8)
**

*------------------------------------------------------------------------*


	IFND EXEC_TYPES_I
	INCLUDE 'exec/types.i'
	ENDC

	IFND EXEC_LIBRARIES_I
	INCLUDE 'exec/libraries.i'
	ENDC

	IFND UTILITY_TAGITEM_I
	INCLUDE 'utility/tagitem.i'
	ENDC

	IFND LIBRARIES_AHI_I
	INCLUDE 'libraries/ahi.i'
	ENDC

*------------------------------------------------------------------------*

*** STRUCTUES

* AHIAudioCtrl
	STRUCTURE AHIAudioCtrl,0
	ULONG	ahiac_Flags			* See below for definition
	APTR	ahiac_SoundFunc			* AHIA_SoundFunc (Hook)
	APTR	ahiac_PlayerFunc		* AHIA_PlayerFunc (Hook)
	ULONG	ahiac_PlayerFreq		* AHIA_PlayerFreq
	ULONG	ahiac_MinPlayerFreq		* AHIA_MinPlayerFreq
	ULONG	ahiac_MaxPlayerFreq		* AHIA_MaxPlayerFreq
	ULONG	ahiac_MixFreq			* AHIA_MixFreq
	UWORD	ahiac_Channels			* AHIA_Channels
	UWORD	ahiac_Sounds			* AHIA_Sounds

	ULONG	ahiac_DriverData		* Unused. Store whatever you want here.

	APTR	ahiac_MixerFunc			* Mixing routine Hook
	APTR	ahiac_SamplerFunc		* Sampler routine Hook
	ULONG	ahiac_MaxRecordSamples		* Max samples read between ahiac_SamplerFunc calls
	ULONG	ahiac_BuffSamples		* Samples to mix this pass.
	ULONG	ahiac_MinBuffSamples		* Min. samples to mix each pass.
	ULONG	ahiac_MaxBuffSamples		* Max. samples to mix each pass.
	ULONG	ahiac_BuffSize			* Buffer size ahiac_MixerFunc needs.
* The rest is PRIVATE! Hands off! They may change any time.
*	[lots of private stuff]
	LABEL	AHIAudioCtrl_SIZEOF		* Do not use!

*** TAGS

AHIDB_UserBase	EQU AHI_TagBase+500		* Use for driver specific tags


***DEFS

 * AHIsub_AllocAudio() return flags
	BITDEF	AHIS,ERROR,0
	BITDEF	AHIS,MIXING,1
	BITDEF	AHIS,TIMING,2
	BITDEF	AHIS,KNOWSTEREO,3
	BITDEF	AHIS,KNOWHIFI,4

 * AHIsub_Start() and AHIsub_Stop() flags
	BITDEF	AHIS,PLAY,0
	BITDEF	AHIS,RECORD,1

 * ahiac_Flags
	BITDEF	AHIAC,VOL,0
	BITDEF	AHIAC,PAN,1
	BITDEF	AHIAC,STEREO,2
	BITDEF	AHIAC,HIFI,3
	BITDEF	AHIAC,PINGPONG,4
	BITDEF	AHIAC,RECORD,5
	BITDEF	AHIAC,MULTTAB,6			* Private!

 * AHIsub_Set#? and AHIsub_(Un)LoadSound return code
AHIS_UNKNOWN	EQU	~0


*** Library offsets
	LIBINIT
	LIBDEF	_LVOAHIsub_AllocAudio
	LIBDEF	_LVOAHIsub_FreeAudio
	LIBDEF	_LVOAHIsub_Disable
	LIBDEF	_LVOAHIsub_Enable
	LIBDEF	_LVOAHIsub_Start
	LIBDEF	_LVOAHIsub_Update
	LIBDEF	_LVOAHIsub_Stop
	LIBDEF	_LVOAHIsub_SetVol
	LIBDEF	_LVOAHIsub_SetFreq
	LIBDEF	_LVOAHIsub_SetSound
	LIBDEF	_LVOAHIsub_SetEffect
	LIBDEF	_LVOAHIsub_LoadSound
	LIBDEF	_LVOAHIsub_UnLoadSound
	LIBDEF	_LVOAHIsub_GetAttr

	ENDC ; LIBRARIES_AHI_I