internal_sc.h
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/*====================================================================
*
* Copyright 1993, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
* Inc.; the contents of this file may not be disclosed to third
* parties, copied or duplicated in any form, in whole or in part,
* without the prior written permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to
* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
* in Technical Data and Computer Software clause at DFARS
* 252.227-7013, and/or in similar or successor clauses in the FAR,
* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
* Copyright Laws of the United States.
*==================================================================== */
#ifndef __N_LIBAUDIO__
#define __N_LIBAUDIO__
#include <PR/libaudio.h>
#ifdef _LANGUAGE_C_PLUS_PLUS
extern "C" {
#endif
#include <PR/ultratypes.h>
#include <PR/mbi.h>
typedef struct N_ALVoice_s {
ALLink node;
struct N_PVoice_s *pvoice;
ALWaveTable *table;
void *clientPrivate;
s16 state;
s16 priority;
s16 fxBus;
s16 unityPitch;
} N_ALVoice;
typedef struct {
ALPlayer *head; /* client list head */
ALLink pFreeList; /* list of free physical voices */
ALLink pAllocList; /* list of allocated physical voices */
ALLink pLameList; /* list of voices ready to be freed */
s32 paramSamples;
s32 curSamples; /* samples from start of game */
ALDMANew dma;
ALHeap *heap;
struct ALParam_s *paramList;
struct N_ALMainBus_s *mainBus;
struct N_ALAuxBus_s *auxBus;
s32 numPVoices;
s32 maxAuxBusses;
s32 outputRate;
s32 maxOutSamples;
s32 sv_dramout;
s32 sv_first;
} N_ALSynth;
/*************************************************************/
void n_alSynAddPlayer(ALPlayer *client);
ALFxRef n_alSynAllocFX(s16 bus, ALSynConfig *c, ALHeap *hp);
s32 n_alSynAllocVoice(N_ALVoice *voice, ALVoiceConfig *vc);
void n_alSynDelete(void);
void n_alSynFreeVoice(N_ALVoice *voice);
ALFxRef n_alSynGetFXRef(s16 bus, s16 index);
s16 n_alSynGetPriority(N_ALVoice *voice);
void n_alSynRemovePlayer(ALPlayer *client);
void n_alSynSetFXMix(N_ALVoice *v, u8 fxmix);
void n_alSynSetFXParam(ALFxRef fx, s16 paramID, void *param);
void n_alSynSetFXtype(s16 bus, ALFxId fxid, s32 rate);
void n_alSynSetPan(N_ALVoice *v, u8 pan);
void n_alSynSetPitch(N_ALVoice *v, f32 pitch);
void n_alSynSetPriority(N_ALVoice *voice, s16 priority);
void n_alSynSetVol(N_ALVoice *v, s16 volume, ALMicroTime t);
void n_alSynStartVoice(N_ALVoice *v, ALWaveTable *table);
void n_alSynStartVoiceParams(N_ALVoice *v, ALWaveTable *w,f32 pitch,
s16 vol, ALPan pan, u8 fxmix, ALMicroTime t);
void n_alSynStopVoice(N_ALVoice *v);
void n_alSynNew(ALSynConfig *c);
/*************************************************************/
/***********************************************************************
* Audio Library (AL) stuff
***********************************************************************/
typedef struct {
N_ALSynth drvr;
} N_ALGlobals;
extern N_ALGlobals *n_alGlobals;
extern N_ALSynth *n_syn;
void n_alInit(N_ALGlobals *g, ALSynConfig *c);
void n_alClose(void);
Acmd *n_alAudioFrame(Acmd *cmdList, s32 *cmdLen, s16 *outBuf, s32 outLen);
/*
* for n_audio micro code
*/
extern long long int n_aspMainTextStart[], n_aspMainTextEnd[];
extern long long int n_aspMainDataStart[], n_aspMainDataEnd[];
#ifdef YUTAKA_DEBUG
extern u32 n_alDebugGetMaxUpdates(void);
extern void n_alDebugResetMaxUpdates(void);
#endif
#ifdef _LANGUAGE_C_PLUS_PLUS
}
#endif
#endif /* !__N_LIBAUDIO__ */