2021-09-25 09:31:44 +02:00
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/*====================================================================
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*
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* Copyright 1993, Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
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* Inc.; the contents of this file may not be disclosed to third
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* parties, copied or duplicated in any form, in whole or in part,
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* without the prior written permission of Silicon Graphics, Inc.
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*
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* RESTRICTED RIGHTS LEGEND:
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* Use, duplication or disclosure by the Government is subject to
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* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
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* in Technical Data and Computer Software clause at DFARS
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* 252.227-7013, and/or in similar or successor clauses in the FAR,
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* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
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* Copyright Laws of the United States.
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*====================================================================*/
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#ifndef __N_LIBAUDIO__
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#define __N_LIBAUDIO__
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#include <PR/libaudio.h>
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#ifdef _LANGUAGE_C_PLUS_PLUS
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extern "C" {
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#endif
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#include <PR/ultratypes.h>
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#include <PR/mbi.h>
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2023-04-29 15:28:06 +02:00
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2021-09-25 09:31:44 +02:00
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/*
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* Synthesis driver stuff
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*/
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typedef struct N_ALVoice_s {
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ALLink node;
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struct N_PVoice_s *pvoice;
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ALWaveTable *table;
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void *clientPrivate;
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s16 state;
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s16 priority;
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s16 fxBus;
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s16 unityPitch;
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} N_ALVoice;
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typedef struct {
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ALPlayer *head; /* client list head */
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ALPlayer *n_seqp1; /* for fade in / fade out */
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ALPlayer *n_seqp2;
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ALPlayer *n_sndp;
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ALLink pFreeList; /* list of free physical voices */
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ALLink pAllocList; /* list of allocated physical voices */
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ALLink pLameList; /* list of voices ready to be freed */
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s32 paramSamples;
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s32 curSamples; /* samples from start of game */
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ALDMANew dma;
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ALHeap *heap;
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struct ALParam_s *paramList;
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struct N_ALMainBus_s *mainBus;
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struct N_ALAuxBus_s *auxBus;
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s32 numPVoices;
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s32 maxAuxBusses;
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s32 outputRate;
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s32 maxOutSamples;
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s32 sv_dramout;
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s32 sv_first;
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} N_ALSynth;
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void n_alSynAddPlayer(ALPlayer *client);
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void n_alSynAddSndPlayer(ALPlayer *client);
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void n_alSynAddSeqPlayer(ALPlayer *client);
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ALFxRef n_alSynAllocFX( s16 bus,ALSynConfig *c, ALHeap *hp);
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s32 n_alSynAllocVoice( N_ALVoice *voice, ALVoiceConfig *vc);
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void n_alSynFreeVoice(N_ALVoice *voice);
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ALFxRef n_alSynGetFXRef( s16 bus, s16 index);
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s16 n_alSynGetPriority( N_ALVoice *voice);
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void n_alSynRemovePlayer( ALPlayer *client);
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void n_alSynSetFXMix(N_ALVoice *v, u8 fxmix);
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void n_alSynSetFXParam(ALFxRef fx, s16 paramID, void *param);
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void n_alSynFreeFX(ALFxRef *fx);
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void n_alSynSetPan(N_ALVoice *v, u8 pan);
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void n_alSynSetPitch( N_ALVoice *v, f32 pitch);
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void n_alSynSetPriority( N_ALVoice *voice, s16 priority);
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void n_alSynSetVol( N_ALVoice *v, s16 volume, ALMicroTime t);
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void n_alSynStartVoice(N_ALVoice *v, ALWaveTable *table);
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void n_alSynStartVoiceParams(N_ALVoice *v, ALWaveTable *w,f32 pitch, s16 vol,
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ALPan pan, u8 fxmix, ALMicroTime t);
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void n_alSynStopVoice( N_ALVoice *v);
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void n_alSynNew(ALSynConfig *c);
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void n_alSynDelete(void);
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/*
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* Audio Library (AL) stuff
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*/
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typedef struct {
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N_ALSynth drvr;
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} N_ALGlobals;
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extern N_ALGlobals *n_alGlobals;
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extern N_ALSynth *n_syn;
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void n_alInit(N_ALGlobals *g, ALSynConfig *c);
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void n_alClose(N_ALGlobals *glob);
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Acmd *n_alAudioFrame(Acmd *cmdList, s32 *cmdLen,
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s16 *outBuf, s32 outLen);
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/*
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* Sequence Player stuff
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*/
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typedef struct {
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struct N_ALVoice_s *voice;
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} N_ALNoteEvent;
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typedef struct {
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struct N_ALVoice_s *voice;
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ALMicroTime delta;
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u8 vol;
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} N_ALVolumeEvent;
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typedef struct {
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struct N_ALVoiceState_s *vs;
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void *oscState;
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u8 chan;
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} N_ALOscEvent;
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typedef struct {
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s16 type;
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union {
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ALMIDIEvent midi;
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ALTempoEvent tempo;
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ALEndEvent end;
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N_ALNoteEvent note;
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N_ALVolumeEvent vol;
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ALSeqpLoopEvent loop;
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ALSeqpVolEvent spvol;
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ALSeqpPriorityEvent sppriority;
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ALSeqpSeqEvent spseq;
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ALSeqpBankEvent spbank;
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N_ALOscEvent osc;
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} msg;
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} N_ALEvent;
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typedef struct {
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ALLink node;
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ALMicroTime delta;
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N_ALEvent evt;
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} N_ALEventListItem;
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void n_alEvtqNew(ALEventQueue *evtq, N_ALEventListItem *items, s32 itemCount);
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ALMicroTime n_alEvtqNextEvent(ALEventQueue *evtq, N_ALEvent *evt);
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void n_alEvtqPostEvent(ALEventQueue *evtq, N_ALEvent *evt, ALMicroTime delta);
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void n_alEvtqFlushType(ALEventQueue *evtq, s16 type);
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typedef struct N_ALVoiceState_s {
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struct N_ALVoiceState_s *next;/* MUST be first */
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N_ALVoice voice;
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ALSound *sound;
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ALMicroTime envEndTime; /* time of envelope segment end */
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f32 pitch; /* currect pitch ratio */
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f32 vibrato; /* current value of the vibrato */
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u8 envGain; /* current envelope gain */
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u8 channel; /* channel assignment */
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u8 key; /* note on key number */
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u8 velocity; /* note on velocity */
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u8 envPhase; /* what envelope phase */
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u8 phase;
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u8 tremelo; /* current value of the tremelo */
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u8 flags; /* bit 0 tremelo flag
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bit 1 vibrato flag */
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} N_ALVoiceState;
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typedef struct {
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ALPlayer node; /* note: must be first in structure */
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N_ALSynth *drvr; /* reference to the client driver */
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ALSeq *target; /* current sequence */
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ALMicroTime curTime;
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ALBank *bank; /* current ALBank */
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s32 uspt; /* microseconds per tick */
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s32 nextDelta; /* microseconds to next callback */
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s32 state;
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u16 chanMask; /* active channels */
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s16 vol; /* overall sequence volume */
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u8 maxChannels; /* number of MIDI channels */
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u8 debugFlags; /* control which error get reported */
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N_ALEvent nextEvent;
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ALEventQueue evtq;
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ALMicroTime frameTime;
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ALChanState *chanState; /* 16 channels for MIDI */
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N_ALVoiceState *vAllocHead; /* list head for allocated voices */
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N_ALVoiceState *vAllocTail; /* list tail for allocated voices */
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N_ALVoiceState *vFreeList; /* list of free voice state structs */
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ALOscInit initOsc;
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ALOscUpdate updateOsc;
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ALOscStop stopOsc;
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ALSeqMarker *loopStart;
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ALSeqMarker *loopEnd;
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s32 loopCount; /* -1 = loop forever, 0 = no loop */
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} N_ALSeqPlayer;
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typedef struct {
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ALPlayer node; /* note: must be first in structure */
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N_ALSynth *drvr; /* reference to the client driver */
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ALCSeq *target; /* current sequence */
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ALMicroTime curTime;
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ALBank *bank; /* current ALBank */
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s32 uspt; /* microseconds per tick */
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s32 nextDelta; /* microseconds to next callback */
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s32 state;
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u16 chanMask; /* active channels */
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s16 vol; /* overall sequence volume */
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u8 maxChannels; /* number of MIDI channels */
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u8 debugFlags; /* control which error get reported */
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N_ALEvent nextEvent;
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ALEventQueue evtq;
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ALMicroTime frameTime;
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ALChanState *chanState; /* 16 channels for MIDI */
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N_ALVoiceState *vAllocHead; /* list head for allocated voices */
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N_ALVoiceState *vAllocTail; /* list tail for allocated voices */
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N_ALVoiceState *vFreeList; /* list of free voice state structs */
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ALOscInit initOsc;
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ALOscUpdate updateOsc;
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ALOscStop stopOsc;
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} N_ALCSPlayer;
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/*
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* Sequence data representation routines
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*/
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void n_alSeqNextEvent(ALSeq *seq, N_ALEvent *event);
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void n_alSeqNewMarker(ALSeq *seq, ALSeqMarker *m, u32 ticks);
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void n_alCSeqNew(ALCSeq *seq, u8 *ptr);
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void n_alCSeqNextEvent(ALCSeq *seq, N_ALEvent *evt);
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void n_alCSeqNewMarker(ALCSeq *seq, ALCSeqMarker *m, u32 ticks);
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/*
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* Sequence Player routines
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*/
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void n_alSeqpNew(N_ALSeqPlayer *seqp, ALSeqpConfig *config);
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void n_alSeqpDelete(N_ALSeqPlayer *seqp);
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u8 n_alSeqpGetChlVol(N_ALSeqPlayer *seqp, u8 chan);
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u8 n_alSeqpGetChlFXMix(N_ALSeqPlayer *seqp, u8 chan);
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ALPan n_alSeqpGetChlPan(N_ALSeqPlayer *seqp, u8 chan);
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u8 n_alSeqpGetChlPriority(N_ALSeqPlayer *seqp, u8 chan);
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s32 n_alSeqpGetChlProgram(N_ALSeqPlayer *seqp, u8 chan);
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ALSeq *n_alSeqpGetSeq(N_ALSeqPlayer *seqp);
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s32 n_alSeqpGetState(N_ALSeqPlayer *seqp);
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s32 n_alSeqpGetTempo(N_ALSeqPlayer *seqp);
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s16 n_alSeqpGetVol(N_ALSeqPlayer *seqp); /* Master volume control */
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void n_alSeqpPlay(N_ALSeqPlayer *seqp);
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void n_alSeqpSendMidi(N_ALSeqPlayer *seqp, s32 ticks, u8 status, u8 byte1, u8 byte2);
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void n_alSeqpSetBank(N_ALSeqPlayer *seqp, ALBank *b);
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void n_alSeqpSetChlVol(N_ALSeqPlayer *seqp, u8 chan, u8 vol);
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void n_alSeqpSetChlFXMix(N_ALSeqPlayer *seqp, u8 chan, u8 fxmix);
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void n_alSeqpSetChlPan(N_ALSeqPlayer *seqp, u8 chan, ALPan pan);
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void n_alSeqpSetChlPriority(N_ALSeqPlayer *seqp, u8 chan, u8 priority);
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void n_alSeqpSetChlProgram(N_ALSeqPlayer *seqp, u8 chan, u8 prog);
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void n_alSeqpSetSeq(N_ALSeqPlayer *seqp, ALSeq *seq);
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void n_alSeqpSetTempo(N_ALSeqPlayer *seqp, s32 tempo);
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void n_alSeqpSetVol(N_ALSeqPlayer *seqp, s16 vol);
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void n_alSeqpStop(N_ALSeqPlayer *seqp);
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void n_alSeqpLoop(N_ALSeqPlayer *seqp, ALSeqMarker *start, ALSeqMarker *end, s32 count);
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/*
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* Compressed Sequence Player routines
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*/
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void n_alCSPNew(N_ALCSPlayer *seqp, ALSeqpConfig *config);
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void n_alCSPDelete(N_ALCSPlayer *seqp);
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u8 n_alCSPGetChlVol(N_ALCSPlayer *seqp, u8 chan);
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u8 n_alCSPGetChlFXMix(N_ALCSPlayer *seqp, u8 chan);
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ALPan n_alCSPGetChlPan(N_ALCSPlayer *seqp, u8 chan);
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u8 n_alCSPGetChlPriority(N_ALCSPlayer *seqp, u8 chan);
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s32 n_alCSPGetChlProgram(N_ALCSPlayer *seqp, u8 chan);
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ALCSeq *n_alCSPGetSeq(N_ALCSPlayer *seqp);
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s32 n_alCSPGetState(N_ALCSPlayer *seqp);
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s32 n_alCSPGetTempo(N_ALCSPlayer *seqp);
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s16 n_alCSPGetVol(N_ALCSPlayer *seqp);
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void n_alCSPPlay(N_ALCSPlayer *seqp);
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void n_alCSPSendMidi(N_ALCSPlayer *seqp, s32 ticks, u8 status, u8 byte1, u8 byte2);
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void n_alCSPSetBank(N_ALCSPlayer *seqp, ALBank *b);
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void n_alCSPSetChlVol(N_ALCSPlayer *seqp, u8 chan, u8 vol);
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void n_alCSPSetChlFXMix(N_ALCSPlayer *seqp, u8 chan, u8 fxmix);
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void n_alCSPSetChlPan(N_ALCSPlayer *seqp, u8 chan, ALPan pan);
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void n_alCSPSetChlPriority(N_ALCSPlayer *seqp, u8 chan, u8 priority);
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void n_alCSPSetChlProgram(N_ALCSPlayer *seqp, u8 chan, u8 prog);
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void n_alCSPSetSeq(N_ALCSPlayer *seqp, ALCSeq *seq);
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void n_alCSPSetTempo(N_ALCSPlayer *seqp, s32 tempo);
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void n_alCSPSetVol(N_ALCSPlayer *seqp, s16 vol);
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void n_alCSPStop(N_ALCSPlayer *seqp);
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/*
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* Sound Player stuff
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*/
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typedef struct {
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ALPlayer node; /* note: must be first in structure */
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ALEventQueue evtq;
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N_ALEvent nextEvent;
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N_ALSynth *drvr; /* reference to the client driver */
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s32 target;
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void *sndState;
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s32 maxSounds;
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ALMicroTime frameTime;
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ALMicroTime nextDelta; /* microseconds to next callback */
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ALMicroTime curTime;
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} N_ALSndPlayer;
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void n_alSndpNew(N_ALSndPlayer *sndp, ALSndpConfig *c);
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void n_alSndpDelete(void);
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ALSndId n_alSndpAllocate(ALSound *sound);
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void n_alSndpDeallocate(ALSndId id);
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s32 n_alSndpGetState(void);
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void n_alSndpPlay(void);
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void n_alSndpPlayAt(ALMicroTime delta);
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void n_alSndpSetFXMix(u8 mix);
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void n_alSndpSetPan(ALPan pan);
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void n_alSndpSetPitch(f32 pitch);
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void n_alSndpSetPriority(ALSndId id, u8 priority);
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void n_alSndpSetVol(s16 vol);
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void n_alSndpStop(void);
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ALSndId n_alSndpGetSound(void);
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void n_alSndpSetSound(ALSndId id);
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/*
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* for n_audio micro code
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*/
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extern long long int n_aspMainTextStart[], n_aspMainTextEnd[];
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extern long long int n_aspMainDataStart[], n_aspMainDataEnd[];
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#ifdef _LANGUAGE_C_PLUS_PLUS
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}
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#endif
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#endif /* __N_LIBAUDIO__ */
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