diff --git a/patches/libaudio.h b/patches/libaudio.h new file mode 100644 index 0000000..55f22c8 --- /dev/null +++ b/patches/libaudio.h @@ -0,0 +1,947 @@ +/*==================================================================== + * libaudio.h + * + * 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 + * + * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, + * Inc.; the contents of this file may not be disclosed to third + * parties, copied or duplicated in any form,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 Unpublished - rights reserved under the + * Copyright Laws of the United States. + *====================================================================*/ + +/************************************************************************** + * + * $Revision: 1.173 $ + * $Date: 1997/12/01 12:42:21 $ + * $Source: /disk6/Master/cvsmdev2/PR/include/libaudio.h,v $ + * + **************************************************************************/ + +#ifndef __LIB_AUDIO__ +#define __LIB_AUDIO__ + +#ifdef _LANGUAGE_C_PLUS_PLUS +extern "C" { +#endif + +#include +#include + +/*********************************************************************** + * misc defines + ***********************************************************************/ +#ifndef _EMULATOR +# ifdef AUD_PROFILE + +#define PROFILE_AUD(num, cnt, max, min) \ +{ \ + u32 currCnt = osGetCount(); \ + currCnt -= lastCnt[cnt_index]; \ + cnt_index--; \ + cnt += currCnt; \ + num++; \ + \ + if ( currCnt > max ) max = currCnt; \ + if ( currCnt < min ) min = currCnt; \ +} + +# endif /* AUD_PROFILE */ +#endif /* EMULATOR */ + +#ifndef NULL +#define NULL 0 +#endif + +#define AL_FX_BUFFER_SIZE 8192 +#define AL_FRAME_INIT -1 +#define AL_USEC_PER_FRAME 16000 +#define AL_MAX_PRIORITY 127 +#define AL_GAIN_CHANGE_TIME 1000 + +typedef s32 ALMicroTime; +typedef u8 ALPan; + +#define AL_PAN_CENTER 64 +#define AL_PAN_LEFT 0 +#define AL_PAN_RIGHT 127 +#define AL_VOL_FULL 127 +#define AL_KEY_MIN 0 +#define AL_KEY_MAX 127 +#define AL_DEFAULT_FXMIX 0 +#define AL_SUSTAIN 63 + +/*********************************************************************** + * Error handling + ***********************************************************************/ + +#ifdef _DEBUG +#define ALFailIf(condition, error) \ + if (condition) { \ + __osError(error, 0); \ + return; } + +#else +#define ALFailIf(condition, error) \ + if (condition) { \ + return; } +#endif + +#ifdef _DEBUG +#define ALFlagFailIf(condition, flag, error) \ + if (condition) { \ + if(flag) __osError(error, 0); \ + return; } + +#else +#define ALFlagFailIf(condition, flag, error) \ + if (condition) { \ + return; } +#endif + +/*********************************************************************** + * Audio Library global routines + ***********************************************************************/ +typedef struct ALLink_s { + struct ALLink_s *next; + struct ALLink_s *prev; +} ALLink; + +void alUnlink(ALLink *element); +void alLink(ALLink *element, ALLink *after); + +typedef s32 (*ALDMAproc)(s32 addr, s32 len, void *state); +typedef ALDMAproc (*ALDMANew)(void *state); + +void alCopy(void *src, void *dest, s32 len); + +typedef struct { + u8 *base; + u8 *cur; + s32 len; + s32 count; +} ALHeap; + +#define AL_HEAP_DEBUG 1 +#define AL_HEAP_MAGIC 0x20736a73 +#define AL_HEAP_INIT 0 + +void alHeapInit(ALHeap *hp, u8 *base, s32 len); +void *alHeapDBAlloc(u8 *file, s32 line, ALHeap *hp, s32 num, s32 size); +s32 alHeapCheck(ALHeap *hp); + +#ifdef _DEBUG +#define alHeapAlloc(hp, elem ,size) alHeapDBAlloc((u8 *) __FILE__,__LINE__,(hp),(elem),(size)) +#else +#define alHeapAlloc(hp, elem ,size) alHeapDBAlloc(0, 0,(hp),(elem),(size)) +#endif + +/*********************************************************************** + * FX Stuff + ***********************************************************************/ +#define AL_FX_NONE 0 +#define AL_FX_SMALLROOM 1 +#define AL_FX_BIGROOM 2 +#define AL_FX_CHORUS 3 +#define AL_FX_FLANGE 4 +#define AL_FX_ECHO 5 +#define AL_FX_CUSTOM 6 + +typedef u8 ALFxId; +typedef void *ALFxRef; + +/*********************************************************************** + * data structures for sound banks + ***********************************************************************/ + +#define AL_BANK_VERSION 0x4231 /* 'B1' */ + +/* Possible wavetable types */ +enum {AL_ADPCM_WAVE = 0, + AL_RAW16_WAVE}; + +typedef struct { + s32 order; + s32 npredictors; + s16 book[1]; /* Actually variable size. Must be 8-byte aligned */ +} ALADPCMBook; + +typedef struct { + u32 start; + u32 end; + u32 count; + ADPCM_STATE state; +} ALADPCMloop; + +typedef struct { + u32 start; + u32 end; + u32 count; +} ALRawLoop; + +typedef struct { + ALMicroTime attackTime; + ALMicroTime decayTime; + ALMicroTime releaseTime; + u8 attackVolume; + u8 decayVolume; +} ALEnvelope; + +typedef struct { + u8 velocityMin; + u8 velocityMax; + u8 keyMin; + u8 keyMax; + u8 keyBase; + s8 detune; +} ALKeyMap; + +typedef struct { + ALADPCMloop *loop; + ALADPCMBook *book; +} ALADPCMWaveInfo; + +typedef struct { + ALRawLoop *loop; +} ALRAWWaveInfo; + +typedef struct ALWaveTable_s { + u8 *base; /* ptr to start of wave data */ + s32 len; /* length of data in bytes */ + u8 type; /* compression type */ + u8 flags; /* offset/address flags */ + union { + ALADPCMWaveInfo adpcmWave; + ALRAWWaveInfo rawWave; + } waveInfo; +} ALWaveTable; + +typedef struct ALSound_s { + ALEnvelope *envelope; + ALKeyMap *keyMap; + ALWaveTable *wavetable; /* offset to wavetable struct */ + ALPan samplePan; + u8 sampleVolume; + u8 flags; +} ALSound; + +typedef struct { + u8 volume; /* overall volume for this instrument */ + ALPan pan; /* 0 = hard left, 127 = hard right */ + u8 priority; /* voice priority for this instrument */ + u8 flags; + u8 tremType; /* the type of tremelo osc. to use */ + u8 tremRate; /* the rate of the tremelo osc. */ + u8 tremDepth; /* the depth of the tremelo osc */ + u8 tremDelay; /* the delay for the tremelo osc */ + u8 vibType; /* the type of tremelo osc. to use */ + u8 vibRate; /* the rate of the tremelo osc. */ + u8 vibDepth; /* the depth of the tremelo osc */ + u8 vibDelay; /* the delay for the tremelo osc */ + s16 bendRange; /* pitch bend range in cents */ + s16 soundCount; /* number of sounds in this array */ + ALSound *soundArray[1]; +} ALInstrument; + +typedef struct ALBank_s { + s16 instCount; /* number of programs in this bank */ + u8 flags; + u8 pad; + s32 sampleRate; /* e.g. 44100, 22050, etc... */ + ALInstrument *percussion; /* default percussion for GM */ + ALInstrument *instArray[1]; /* ARRAY of instruments */ +} ALBank; + +typedef struct { /* Note: sizeof won't be correct */ + s16 revision; /* format revision of this file */ + s16 bankCount; /* number of banks */ + ALBank *bankArray[1]; /* ARRAY of bank offsets */ +} ALBankFile; + +void alBnkfNew(ALBankFile *f, u8 *table); + +/*********************************************************************** + * Sequence Files + ***********************************************************************/ +#define AL_SEQBANK_VERSION 'S1' + +typedef struct { + u8 *offset; + s32 len; +} ALSeqData; + +typedef struct { /* Note: sizeof won't be correct */ + s16 revision; /* format revision of this file */ + s16 seqCount; /* number of sequences */ + ALSeqData seqArray[1]; /* ARRAY of sequence info */ +} ALSeqFile; + +void alSeqFileNew(ALSeqFile *f, u8 *base); + +/*********************************************************************** + * Synthesis driver stuff + ***********************************************************************/ +typedef ALMicroTime (*ALVoiceHandler)(void *); + +typedef struct { + s32 maxVVoices; /* obsolete */ + s32 maxPVoices; + s32 maxUpdates; + s32 maxFXbusses; + void *dmaproc; + ALHeap *heap; + s32 outputRate; /* output sample rate */ + ALFxId fxType; + s32 *params; +} ALSynConfig; + +typedef struct ALPlayer_s { + struct ALPlayer_s *next; + void *clientData; /* storage for client callback */ + ALVoiceHandler handler; /* voice handler for player */ + ALMicroTime callTime; /* usec requested callback */ + s32 samplesLeft; /* usec remaining to callback */ +} ALPlayer; + +typedef struct ALVoice_s { + ALLink node; + struct PVoice_s *pvoice; + ALWaveTable *table; + void *clientPrivate; + s16 state; + s16 priority; + s16 fxBus; + s16 unityPitch; +} ALVoice; + +typedef struct ALVoiceConfig_s { + s16 priority; /* voice priority */ + s16 fxBus; /* bus assignment */ + u8 unityPitch; /* unity pitch flag */ +} ALVoiceConfig; + +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 ALMainBus_s *mainBus; + struct ALAuxBus_s *auxBus; /* ptr to array of aux bus structs */ + struct ALFilter_s *outputFilter; /* last filter in the filter chain */ + + s32 numPVoices; + s32 maxAuxBusses; + s32 outputRate; /* output sample rate */ + s32 maxOutSamples; /* Maximum samples rsp can generate + at one time at output rate */ +} ALSynth; + +void alSynNew(ALSynth *s, ALSynConfig *config); +void alSynDelete(ALSynth *s); + +void alSynAddPlayer(ALSynth *s, ALPlayer *client); +void alSynRemovePlayer(ALSynth *s, ALPlayer *client); + +s32 alSynAllocVoice(ALSynth *s, ALVoice *v, ALVoiceConfig *vc); +void alSynFreeVoice(ALSynth *s, ALVoice *voice); + +void alSynStartVoice(ALSynth *s, ALVoice *voice, ALWaveTable *w); +void alSynStartVoiceParams(ALSynth *s, ALVoice *voice, ALWaveTable *w, + f32 pitch, s16 vol, ALPan pan, u8 fxmix, + ALMicroTime t); +void alSynStopVoice(ALSynth *s, ALVoice *voice); + +void alSynSetVol(ALSynth *s, ALVoice *v, s16 vol, ALMicroTime delta); +void alSynSetPitch(ALSynth *s, ALVoice *voice, f32 ratio); +void alSynSetPan(ALSynth *s, ALVoice *voice, ALPan pan); +void alSynSetFXMix(ALSynth *s, ALVoice *voice, u8 fxmix); +void alSynSetPriority(ALSynth *s, ALVoice *voice, s16 priority); +s16 alSynGetPriority(ALSynth *s, ALVoice *voice); + +ALFxRef *alSynAllocFX(ALSynth *s, s16 bus, ALSynConfig *c, ALHeap *hp); +ALFxRef alSynGetFXRef(ALSynth *s, s16 bus, s16 index); +void alSynFreeFX(ALSynth *s, ALFxRef *fx); +void alSynSetFXParam(ALSynth *s, ALFxRef fx, s16 paramID, void *param); + +/*********************************************************************** + * Audio Library (AL) stuff + ***********************************************************************/ +typedef struct { + ALSynth drvr; +} ALGlobals; + +extern ALGlobals *alGlobals; + +void alInit(ALGlobals *glob, ALSynConfig *c); +void alClose(ALGlobals *glob); + +Acmd *alAudioFrame(Acmd *cmdList, s32 *cmdLen, s16 *outBuf, s32 outLen); + +/*********************************************************************** + * Sequence Player stuff + ***********************************************************************/ + +/* + * Play states + */ +#define AL_STOPPED 0 +#define AL_PLAYING 1 +#define AL_STOPPING 2 + +#define AL_DEFAULT_PRIORITY 5 +#define AL_DEFAULT_VOICE 0 +#define AL_MAX_CHANNELS 16 + +/* + * Audio Library event type definitions + */ +enum ALMsg { + AL_SEQ_REF_EVT, /* Reference to a pending event in the sequence. */ + AL_SEQ_MIDI_EVT, + AL_SEQP_MIDI_EVT, + AL_TEMPO_EVT, + AL_SEQ_END_EVT, + AL_NOTE_END_EVT, + AL_SEQP_ENV_EVT, + AL_SEQP_META_EVT, + AL_SEQP_PROG_EVT, + AL_SEQP_API_EVT, + AL_SEQP_VOL_EVT, + AL_SEQP_LOOP_EVT, + AL_SEQP_PRIORITY_EVT, + AL_SEQP_SEQ_EVT, + AL_SEQP_BANK_EVT, + AL_SEQP_PLAY_EVT, + AL_SEQP_STOP_EVT, + AL_SEQP_STOPPING_EVT, + AL_TRACK_END, + AL_CSP_LOOPSTART, + AL_CSP_LOOPEND, + AL_CSP_NOTEOFF_EVT, + AL_TREM_OSC_EVT, + AL_VIB_OSC_EVT +}; + +/* + * Midi event definitions + */ +#define AL_EVTQ_END 0x7fffffff + +enum AL_MIDIstatus { + /* For distinguishing channel number from status */ + AL_MIDI_ChannelMask = 0x0F, + AL_MIDI_StatusMask = 0xF0, + + /* Channel voice messages */ + AL_MIDI_ChannelVoice = 0x80, + AL_MIDI_NoteOff = 0x80, + AL_MIDI_NoteOn = 0x90, + AL_MIDI_PolyKeyPressure = 0xA0, + AL_MIDI_ControlChange = 0xB0, + AL_MIDI_ChannelModeSelect = 0xB0, + AL_MIDI_ProgramChange = 0xC0, + AL_MIDI_ChannelPressure = 0xD0, + AL_MIDI_PitchBendChange = 0xE0, + + /* System messages */ + AL_MIDI_SysEx = 0xF0, /* System Exclusive */ + + /* System common */ + AL_MIDI_SystemCommon = 0xF1, + AL_MIDI_TimeCodeQuarterFrame = 0xF1, + AL_MIDI_SongPositionPointer = 0xF2, + AL_MIDI_SongSelect = 0xF3, + AL_MIDI_Undefined1 = 0xF4, + AL_MIDI_Undefined2 = 0xF5, + AL_MIDI_TuneRequest = 0xF6, + AL_MIDI_EOX = 0xF7, /* End of System Exclusive */ + + /* System real time */ + AL_MIDI_SystemRealTime = 0xF8, + AL_MIDI_TimingClock = 0xF8, + AL_MIDI_Undefined3 = 0xF9, + AL_MIDI_Start = 0xFA, + AL_MIDI_Continue = 0xFB, + AL_MIDI_Stop = 0xFC, + AL_MIDI_Undefined4 = 0xFD, + AL_MIDI_ActiveSensing = 0xFE, + AL_MIDI_SystemReset = 0xFF, + AL_MIDI_Meta = 0xFF /* MIDI Files only */ +}; + +enum AL_MIDIctrl { + AL_MIDI_VOLUME_CTRL = 0x07, + AL_MIDI_PAN_CTRL = 0x0A, + AL_MIDI_PRIORITY_CTRL = 0x10, /* use general purpose controller for priority */ + AL_MIDI_FX_CTRL_0 = 0x14, + AL_MIDI_FX_CTRL_1 = 0x15, + AL_MIDI_FX_CTRL_2 = 0x16, + AL_MIDI_FX_CTRL_3 = 0x17, + AL_MIDI_FX_CTRL_4 = 0x18, + AL_MIDI_FX_CTRL_5 = 0x19, + AL_MIDI_FX_CTRL_6 = 0x1A, + AL_MIDI_FX_CTRL_7 = 0x1B, + AL_MIDI_FX_CTRL_8 = 0x1C, + AL_MIDI_FX_CTRL_9 = 0x1D, + AL_MIDI_SUSTAIN_CTRL = 0x40, + AL_MIDI_FX1_CTRL = 0x5B, + AL_MIDI_FX3_CTRL = 0x5D +}; + +enum AL_MIDImeta { + AL_MIDI_META_TEMPO = 0x51, + AL_MIDI_META_EOT = 0x2f +}; + + +#define AL_CMIDI_BLOCK_CODE 0xFE +#define AL_CMIDI_LOOPSTART_CODE 0x2E +#define AL_CMIDI_LOOPEND_CODE 0x2D +#define AL_CMIDI_CNTRL_LOOPSTART 102 +#define AL_CMIDI_CNTRL_LOOPEND 103 +#define AL_CMIDI_CNTRL_LOOPCOUNT_SM 104 +#define AL_CMIDI_CNTRL_LOOPCOUNT_BIG 105 + +typedef struct { + u8 *curPtr; /* ptr to the next event */ + s32 lastTicks; /* sequence clock ticks (used by alSeqSetLoc) */ + s32 curTicks; /* sequence clock ticks of next event (used by loop end test) */ + s16 lastStatus; /* the last status msg */ +} ALSeqMarker; + +typedef struct { + s32 ticks; /* MIDI, Tempo and End events must start with ticks */ + u8 status; + u8 byte1; + u8 byte2; + u32 duration; +} ALMIDIEvent; + +typedef struct { + s32 ticks; + u8 status; + u8 type; + u8 len; + u8 byte1; + u8 byte2; + u8 byte3; +} ALTempoEvent; + +typedef struct { + s32 ticks; + u8 status; + u8 type; + u8 len; +} ALEndEvent; + +typedef struct { + struct ALVoice_s *voice; +} ALNoteEvent; + +typedef struct { + struct ALVoice_s *voice; + ALMicroTime delta; + u8 vol; +} ALVolumeEvent; + +typedef struct { + s16 vol; +} ALSeqpVolEvent; + +typedef struct { + ALSeqMarker *start; + ALSeqMarker *end; + s32 count; +} ALSeqpLoopEvent; + +typedef struct { + u8 chan; + u8 priority; +} ALSeqpPriorityEvent; + +typedef struct { + void *seq; /* pointer to a seq (could be an ALSeq or an ALCSeq). */ +} ALSeqpSeqEvent; + +typedef struct { + ALBank *bank; +} ALSeqpBankEvent; + +typedef struct { + struct ALVoiceState_s *vs; + void *oscState; + u8 chan; +} ALOscEvent; + +typedef struct { + s16 type; + union { + ALMIDIEvent midi; + ALTempoEvent tempo; + ALEndEvent end; + ALNoteEvent note; + ALVolumeEvent vol; + ALSeqpLoopEvent loop; + ALSeqpVolEvent spvol; + ALSeqpPriorityEvent sppriority; + ALSeqpSeqEvent spseq; + ALSeqpBankEvent spbank; + ALOscEvent osc; + } msg; +} ALEvent; + +typedef struct { + ALLink node; + ALMicroTime delta; + ALEvent evt; +} ALEventListItem; + +typedef struct { + ALLink freeList; + ALLink allocList; + s32 eventCount; +} ALEventQueue; + +void alEvtqNew(ALEventQueue *evtq, ALEventListItem *items, + s32 itemCount); +ALMicroTime alEvtqNextEvent(ALEventQueue *evtq, ALEvent *evt); +void alEvtqPostEvent(ALEventQueue *evtq, ALEvent *evt, + ALMicroTime delta); +void alEvtqFlush(ALEventQueue *evtq); +void alEvtqFlushType(ALEventQueue *evtq, s16 type); + + +#define AL_PHASE_ATTACK 0 +#define AL_PHASE_NOTEON 0 +#define AL_PHASE_DECAY 1 +#define AL_PHASE_SUSTAIN 2 +#define AL_PHASE_RELEASE 3 +#define AL_PHASE_SUSTREL 4 + +typedef struct ALVoiceState_s { + struct ALVoiceState_s *next;/* MUST be first */ + ALVoice voice; + ALSound *sound; + ALMicroTime envEndTime; /* time of envelope segment end */ + f32 pitch; /* currect pitch ratio */ + f32 vibrato; /* current value of the vibrato */ + u8 envGain; /* current envelope gain */ + u8 channel; /* channel assignment */ + u8 key; /* note on key number */ + u8 velocity; /* note on velocity */ + u8 envPhase; /* what envelope phase */ + u8 phase; + u8 tremelo; /* current value of the tremelo */ + u8 flags; /* bit 0 tremelo flag + bit 1 vibrato flag */ +} ALVoiceState; + +typedef struct { + ALInstrument *instrument; /* instrument assigned to this chan */ + s16 bendRange; /* pitch bend range in cents */ + ALFxId fxId; /* type of fx assigned to this chan */ + ALPan pan; /* overall pan for this chan */ + u8 priority; /* priority for this chan */ + u8 vol; /* current volume for this chan */ + u8 fxmix; /* current fx mix for this chan */ + u8 sustain; /* current sustain pedal state */ + f32 pitchBend; /* current pitch bend val in cents */ +} ALChanState; + +typedef struct ALSeq_s { + u8 *base; /* ptr to start of sequence file */ + u8 *trackStart; /* ptr to first MIDI event */ + u8 *curPtr; /* ptr to next event to read */ + s32 lastTicks; /* MIDI ticks for last event */ + s32 len; /* length of sequence in bytes */ + f32 qnpt; /* qrter notes / tick (1/division) */ + s16 division; /* ticks per quarter note */ + s16 lastStatus; /* for running status */ +} ALSeq; + +typedef struct { + u32 trackOffset[16]; + u32 division; +} ALCMidiHdr; + +typedef struct ALCSeq_s { + ALCMidiHdr *base; /* ptr to start of sequence file */ + u32 validTracks; /* set of flags, showing valid tracks */ + f32 qnpt; /* qrter notes / tick (1/division) */ + u32 lastTicks; /* keep track of ticks incase app wants */ + u32 lastDeltaTicks; /* number of delta ticks of last event */ + u32 deltaFlag; /* flag: set if delta's not subtracted */ + u8 *curLoc[16]; /* ptr to current track location, */ + /* may point to next event, or may point */ + /* to a backup code */ + u8 *curBUPtr[16]; /* ptr to next event if in backup mode */ + u8 curBULen[16]; /* if > 0, then in backup mode */ + u8 lastStatus[16]; /* for running status */ + u32 evtDeltaTicks[16]; /* delta time to next event */ +} ALCSeq; + +typedef struct { + u32 validTracks; + s32 lastTicks; + u32 lastDeltaTicks; + u8 *curLoc[16]; + u8 *curBUPtr[16]; + u8 curBULen[16]; + u8 lastStatus[16]; + u32 evtDeltaTicks[16]; +} ALCSeqMarker; + +#define NO_SOUND_ERR_MASK 0x01 +#define NOTE_OFF_ERR_MASK 0x02 +#define NO_VOICE_ERR_MASK 0x04 + +typedef struct { + s32 maxVoices; /* max number of voices to alloc */ + s32 maxEvents; /* max internal events to support */ + u8 maxChannels; /* max MIDI channels to support (16)*/ + u8 debugFlags; /* control which error get reported */ + ALHeap *heap; /* ptr to initialized heap */ + void *initOsc; + void *updateOsc; + void *stopOsc; +} ALSeqpConfig; + +typedef ALMicroTime (*ALOscInit)(void **oscState,f32 *initVal, u8 oscType, + u8 oscRate, u8 oscDepth, u8 oscDelay); +typedef ALMicroTime (*ALOscUpdate)(void *oscState, f32 *updateVal); +typedef void (*ALOscStop)(void *oscState); + +typedef struct { + ALPlayer node; /* note: must be first in structure */ + ALSynth *drvr; /* reference to the client driver */ + ALSeq *target; /* current sequence */ + ALMicroTime curTime; + ALBank *bank; /* current ALBank */ + s32 uspt; /* microseconds per tick */ + s32 nextDelta; /* microseconds to next callback */ + s32 state; + u16 chanMask; /* active channels */ + s16 vol; /* overall sequence volume */ + u8 maxChannels; /* number of MIDI channels */ + u8 debugFlags; /* control which error get reported */ + ALEvent nextEvent; + ALEventQueue evtq; + ALMicroTime frameTime; + ALChanState *chanState; /* 16 channels for MIDI */ + ALVoiceState *vAllocHead; /* list head for allocated voices */ + ALVoiceState *vAllocTail; /* list tail for allocated voices */ + ALVoiceState *vFreeList; /* list of free voice state structs */ + ALOscInit initOsc; + ALOscUpdate updateOsc; + ALOscStop stopOsc; + ALSeqMarker *loopStart; + ALSeqMarker *loopEnd; + s32 loopCount; /* -1 = loop forever, 0 = no loop */ +} ALSeqPlayer; + +typedef struct { + ALPlayer node; /* note: must be first in structure */ + ALSynth *drvr; /* reference to the client driver */ + ALCSeq *target; /* current sequence */ + ALMicroTime curTime; + ALBank *bank; /* current ALBank */ + s32 uspt; /* microseconds per tick */ + s32 nextDelta; /* microseconds to next callback */ + s32 state; + u16 chanMask; /* active channels */ + s16 vol; /* overall sequence volume */ + u8 maxChannels; /* number of MIDI channels */ + u8 debugFlags; /* control which error get reported */ + ALEvent nextEvent; + ALEventQueue evtq; + ALMicroTime frameTime; + ALChanState *chanState; /* 16 channels for MIDI */ + ALVoiceState *vAllocHead; /* list head for allocated voices */ + ALVoiceState *vAllocTail; /* list tail for allocated voices */ + ALVoiceState *vFreeList; /* list of free voice state structs */ + ALOscInit initOsc; + ALOscUpdate updateOsc; + ALOscStop stopOsc; +} ALCSPlayer; + +/* + * Sequence data representation routines + */ +void alSeqNew(ALSeq *seq, u8 *ptr, s32 len); +void alSeqNextEvent(ALSeq *seq, ALEvent *event); +s32 alSeqGetTicks(ALSeq *seq); +f32 alSeqTicksToSec(ALSeq *seq, s32 ticks, u32 tempo); +u32 alSeqSecToTicks(ALSeq *seq, f32 sec, u32 tempo); +void alSeqNewMarker(ALSeq *seq, ALSeqMarker *m, u32 ticks); +void alSeqSetLoc(ALSeq *seq, ALSeqMarker *marker); +void alSeqGetLoc(ALSeq *seq, ALSeqMarker *marker); +/* + * Compact Sequence data representation routines + */ +void alCSeqNew(ALCSeq *seq, u8 *ptr); +void alCSeqNextEvent(ALCSeq *seq,ALEvent *evt); +s32 alCSeqGetTicks(ALCSeq *seq); +f32 alCSeqTicksToSec(ALCSeq *seq, s32 ticks, u32 tempo); +u32 alCSeqSecToTicks(ALCSeq *seq, f32 sec, u32 tempo); +void alCSeqNewMarker(ALCSeq *seq, ALCSeqMarker *m, u32 ticks); +void alCSeqSetLoc(ALCSeq *seq, ALCSeqMarker *marker); +void alCSeqGetLoc(ALCSeq *seq, ALCSeqMarker *marker); + +/* + * Sequence Player routines + */ +f32 alCents2Ratio(s32 cents); + +void alSeqpNew(ALSeqPlayer *seqp, ALSeqpConfig *config); +void alSeqpDelete(ALSeqPlayer *seqp); +void alSeqpSetSeq(ALSeqPlayer *seqp, ALSeq *seq); +ALSeq *alSeqpGetSeq(ALSeqPlayer *seqp); +void alSeqpPlay(ALSeqPlayer *seqp); +void alSeqpStop(ALSeqPlayer *seqp); +s32 alSeqpGetState(ALSeqPlayer *seqp); +void alSeqpSetBank(ALSeqPlayer *seqp, ALBank *b); +void alSeqpSetTempo(ALSeqPlayer *seqp, s32 tempo); +s32 alSeqpGetTempo(ALSeqPlayer *seqp); +s16 alSeqpGetVol(ALSeqPlayer *seqp); /* Master volume control */ +void alSeqpSetVol(ALSeqPlayer *seqp, s16 vol); +void alSeqpLoop(ALSeqPlayer *seqp, ALSeqMarker *start, ALSeqMarker *end, s32 count); + +void alSeqpSetChlProgram(ALSeqPlayer *seqp, u8 chan, u8 prog); +s32 alSeqpGetChlProgram(ALSeqPlayer *seqp, u8 chan); +void alSeqpSetChlFXMix(ALSeqPlayer *seqp, u8 chan, u8 fxmix); +u8 alSeqpGetChlFXMix(ALSeqPlayer *seqp, u8 chan); +void alSeqpSetChlVol(ALSeqPlayer *seqp, u8 chan, u8 vol); +u8 alSeqpGetChlVol(ALSeqPlayer *seqp, u8 chan); +void alSeqpSetChlPan(ALSeqPlayer *seqp, u8 chan, ALPan pan); +ALPan alSeqpGetChlPan(ALSeqPlayer *seqp, u8 chan); +void alSeqpSetChlPriority(ALSeqPlayer *seqp, u8 chan, u8 priority); +u8 alSeqpGetChlPriority(ALSeqPlayer *seqp, u8 chan); +void alSeqpSendMidi(ALSeqPlayer *seqp, s32 ticks, u8 status, u8 byte1, u8 byte2); + + +/* Maintain backwards compatibility with old routine names. */ +#define alSeqpSetProgram alSeqpSetChlProgram +#define alSeqpGetProgram alSeqpGetChlProgram +#define alSeqpSetFXMix alSeqpSetChlFXMix +#define alSeqpGetFXMix alSeqpGetChlFXMix +#define alSeqpSetPan alSeqpSetChlPan +#define alSeqpGetPan alSeqpGetChlPan +#define alSeqpSetChannelPriority alSeqpSetChlPriority +#define alSeqpGetChannelPriority alSeqpGetChlPriority + + + +/* + * Compressed Sequence Player routines + */ +void alCSPNew(ALCSPlayer *seqp, ALSeqpConfig *config); +void alCSPDelete(ALCSPlayer *seqp); +void alCSPSetSeq(ALCSPlayer *seqp, ALCSeq *seq); +ALCSeq *alCSPGetSeq(ALCSPlayer *seqp); +void alCSPPlay(ALCSPlayer *seqp); +void alCSPStop(ALCSPlayer *seqp); +s32 alCSPGetState(ALCSPlayer *seqp); +void alCSPSetBank(ALCSPlayer *seqp, ALBank *b); +void alCSPSetTempo(ALCSPlayer *seqp, s32 tempo); +s32 alCSPGetTempo(ALCSPlayer *seqp); +s16 alCSPGetVol(ALCSPlayer *seqp); +void alCSPSetVol(ALCSPlayer *seqp, s16 vol); + +void alCSPSetChlProgram(ALCSPlayer *seqp, u8 chan, u8 prog); +s32 alCSPGetChlProgram(ALCSPlayer *seqp, u8 chan); +void alCSPSetChlFXMix(ALCSPlayer *seqp, u8 chan, u8 fxmix); +u8 alCSPGetChlFXMix(ALCSPlayer *seqp, u8 chan); +void alCSPSetChlPan(ALCSPlayer *seqp, u8 chan, ALPan pan); +ALPan alCSPGetChlPan(ALCSPlayer *seqp, u8 chan); +void alCSPSetChlVol(ALCSPlayer *seqp, u8 chan, u8 vol); +u8 alCSPGetChlVol(ALCSPlayer *seqp, u8 chan); +void alCSPSetChlPriority(ALCSPlayer *seqp, u8 chan, u8 priority); +u8 alCSPGetChlPriority(ALCSPlayer *seqp, u8 chan); +void alCSPSendMidi(ALCSPlayer *seqp, s32 ticks, u8 status, + u8 byte1, u8 byte2); + + +/* Maintain backwards compatibility with old routine names. */ +#define alCSPSetProgram alCSPSetChlProgram +#define alCSPGetProgram alCSPGetChlProgram +#define alCSPSetFXMix alCSPSetChlFXMix +#define alCSPGetFXMix alCSPGetChlFXMix +#define alCSPSetPan alCSPSetChlPan +#define alCSPGetPan alCSPGetChlPan +#define alCSPSetChannelPriority alCSPSetChlPriority +#define alCSPGetChannelPriority alCSPGetChlPriority + + + +/*********************************************************************** + * Sound Player stuff + ***********************************************************************/ + +typedef struct { + s32 maxSounds; + s32 maxEvents; + ALHeap *heap; +} ALSndpConfig; + +typedef struct { + ALPlayer node; /* note: must be first in structure */ + ALEventQueue evtq; + ALEvent nextEvent; + ALSynth *drvr; /* reference to the client driver */ + s32 target; + void *sndState; + s32 maxSounds; + ALMicroTime frameTime; + ALMicroTime nextDelta; /* microseconds to next callback */ + ALMicroTime curTime; +} ALSndPlayer; + +typedef s16 ALSndId; + +void alSndpNew(ALSndPlayer *sndp, ALSndpConfig *c); +void alSndpDelete(ALSndPlayer *sndp); + +ALSndId alSndpAllocate(ALSndPlayer *sndp, ALSound *sound); +void alSndpDeallocate(ALSndPlayer *sndp, ALSndId id); + +void alSndpSetSound(ALSndPlayer *sndp, ALSndId id); +ALSndId alSndpGetSound(ALSndPlayer *sndp); + +void alSndpPlay(ALSndPlayer *sndp); +void alSndpPlayAt(ALSndPlayer *sndp, ALMicroTime delta); +void alSndpStop(ALSndPlayer *sndp); + +void alSndpSetVol(ALSndPlayer *sndp, s16 vol); +void alSndpSetPitch(ALSndPlayer *sndp, f32 pitch); +void alSndpSetPan(ALSndPlayer *sndp, ALPan pan); +void alSndpSetPriority(ALSndPlayer *sndp, ALSndId id, u8 priority); + +void alSndpSetFXMix(ALSndPlayer *sndp, u8 mix); +s32 alSndpGetState(ALSndPlayer *sndp); + +#ifndef _FINALROM +void alParseAbiCL(Acmd *cmdList, u32 nbytes); +#endif +#ifdef _LANGUAGE_C_PLUS_PLUS +} +#endif + +#endif /* !__LIB_AUDIO__ */ + + + diff --git a/patches/patches.h b/patches/patches.h index 2d11154..27f354c 100644 --- a/patches/patches.h +++ b/patches/patches.h @@ -47,7 +47,7 @@ #include "PR/gbi.h" #include "PR/os.h" #include "PR/mbi.h" -#include "PR\libaudio.h" +#include "libaudio.h" #include "misc_funcs.h" // #include "PR/os_thread.h" // #include "PR/os_message.h"