{
	Hacks to match MacOS (most recent first):

	<Sys7.1>	  8/3/92	Copied from MPW Interfaces because SoundMgr and headers are missing from
							SuperMario ROM source (header preserved below)
}

{
Created: Monday, December 2, 1991 at 5:09 PM
 Sound.p
 Pascal Interface to the Macintosh Libraries

  Copyright Apple Computer, Inc. 1986-1991
  All rights reserved
}


{$IFC UNDEFINED UsingIncludes}
{$SETC UsingIncludes := 0}
{$ENDC}

{$IFC NOT UsingIncludes}
 UNIT Sound;
 INTERFACE
{$ENDC}

{$IFC UNDEFINED UsingSound}
{$SETC UsingSound := 1}

{$I+}
{$SETC SoundIncludes := UsingIncludes}
{$SETC UsingIncludes := 1}
{$IFC UNDEFINED UsingTypes}
{$I $$Shell(PInterfaces)Types.p}
{$ENDC}
{$IFC UNDEFINED UsingFiles}
{$I $$Shell(PInterfaces)Files.p}
{$ENDC}
{$SETC UsingIncludes := SoundIncludes}

CONST
swMode = -1;								{ Sound Driver modes }
ftMode = 1;
ffMode = 0;

synthCodeRsrc = 'snth';						{ Resource types used by Sound Manager }
soundListRsrc = 'snd ';

twelfthRootTwo = 1.05946309434;
rate22khz = $56EE8BA3;						{ 22254.54545 in fixed-point }
rate11khz = $2B7745D1;						{ 11127.27273 in fixed-point }

{ synthesizer numbers for SndNewChannel }
squareWaveSynth = 1;						{square wave synthesizer}
waveTableSynth = 3;							{wave table synthesizer}
sampledSynth = 5;							{sampled sound synthesizer}

{ old Sound Manager MACE synthesizer numbers }
MACE3snthID = 11;
MACE6snthID = 13;

{ command numbers for SndDoCommand and SndDoImmediate }
nullCmd = 0;
initCmd = 1;
freeCmd = 2;
quietCmd = 3;
flushCmd = 4;
reInitCmd = 5;

waitCmd = 10;
pauseCmd = 11;
resumeCmd = 12;
callBackCmd = 13;
syncCmd = 14;
emptyCmd = 15;

tickleCmd = 20;
requestNextCmd = 21;
howOftenCmd = 22;
wakeUpCmd = 23;
availableCmd = 24;
versionCmd = 25;
totalLoadCmd = 26;
loadCmd = 27;

scaleCmd = 30;
tempoCmd = 31;

freqDurationCmd = 40;
restCmd = 41;
freqCmd = 42;
ampCmd = 43;
timbreCmd = 44;
getAmpCmd = 45;

waveTableCmd = 60;
phaseCmd = 61;

soundCmd = 80;
bufferCmd = 81;
rateCmd = 82;
continueCmd = 83;
doubleBufferCmd = 84;
getRateCmd = 85;

sizeCmd = 90;
convertCmd = 91;

stdQLength = 128;
dataOffsetFlag = $8000;

waveInitChannelMask = $07;
waveInitChannel0 = $04;
waveInitChannel1 = $05;
waveInitChannel2 = $06;
waveInitChannel3 = $07;

{ channel initialization parameters }
initPanMask = $0003;						{ mask for right/left pan values }
initSRateMask = $0030;						{ mask for sample rate values }
initStereoMask = $00C0;						{ mask for mono/stereo values }
initCompMask = $FF00;						{ mask for compression IDs }

initChanLeft = $0002;						{ left stereo channel }
initChanRight = $0003;						{ right stereo channel }
initNoInterp = $0004;						{ no linear interpolation }
initNoDrop = $0008;							{ no drop-sample conversion }
initMono = $0080;							{ monophonic channel }
initStereo = $00C0;							{ stereo channel }
initMACE3 = $0300;							{ MACE 3:1 }
initMACE6 = $0400;							{ MACE 6:1 }

initChan0 = $0004;							{ channel 0 - wave table only }
initChan1 = $0005;							{ channel 1 - wave table only }
initChan2 = $0006;							{ channel 2 - wave table only }
initChan3 = $0007;							{ channel 3 - wave table only }

stdSH = $00;								{ Standard sound header encode value }
extSH = $FF;								{ Extended sound header encode value }
cmpSH = $FE;								{ Compressed sound header encode value }

notCompressed = 0;							{ compression ID's }
twoToOne = 1;
eightToThree = 2;
threeToOne = 3;
sixToOne = 4;

outsideCmpSH = 0;							{ MACE constants }
insideCmpSH = 1;
aceSuccess = 0;
aceMemFull = 1;
aceNilBlock = 2;
aceBadComp = 3;
aceBadEncode = 4;
aceBadDest = 5;
aceBadCmd = 6;
sixToOnePacketSize = 8;
threeToOnePacketSize = 16;
stateBlockSize = 64;
leftOverBlockSize = 32;

firstSoundFormat = $0001;					{ general sound format }
secondSoundFormat = $0002;					{ special sampled sound format (HyperCard) }

dbBufferReady = $00000001;					{ double buffer is filled }
dbLastBuffer = $00000004;					{ last double buffer to play }

sysBeepDisable = $0000;						{ SysBeep() enable flags }
sysBeepEnable = $0001;

unitTypeNoSelection = $FFFF;				{ unitTypes for AudioSelection.unitType }
unitTypeSeconds = $0000;

TYPE
{   Structures for Sound Driver   }


FreeWave = PACKED ARRAY [0..30000] OF Byte;

FFSynthPtr = ^FFSynthRec;
FFSynthRec = RECORD
 mode: INTEGER;
 count: Fixed;
 waveBytes: FreeWave;
 END;

Tone = RECORD
 count: INTEGER;
 amplitude: INTEGER;
 duration: INTEGER;
 END;


Tones = ARRAY [0..5000] OF Tone;

SWSynthPtr = ^SWSynthRec;
SWSynthRec = RECORD
 mode: INTEGER;
 triplets: Tones;
 END;


Wave = PACKED ARRAY [0..255] OF Byte;
WavePtr = ^Wave;

FTSndRecPtr = ^FTSoundRec;
FTSoundRec = RECORD
 duration: INTEGER;
 sound1Rate: Fixed;
 sound1Phase: LONGINT;
 sound2Rate: Fixed;
 sound2Phase: LONGINT;
 sound3Rate: Fixed;
 sound3Phase: LONGINT;
 sound4Rate: Fixed;
 sound4Phase: LONGINT;
 sound1Wave: WavePtr;
 sound2Wave: WavePtr;
 sound3Wave: WavePtr;
 sound4Wave: WavePtr;
 END;

FTSynthPtr = ^FTSynthRec;
FTSynthRec = RECORD
 mode: INTEGER;
 sndRec: FTSndRecPtr;
 END;

{   Structures for Sound Manager   }

SndCommand = PACKED RECORD
 cmd: INTEGER;
 param1: INTEGER;
 param2: LONGINT;
 END;


Time = LONGINT;								{ in half milliseconds }



SndChannelPtr = ^SndChannel;
SndChannel = PACKED RECORD
 nextChan: SndChannelPtr;
 firstMod: Ptr;								{ reserved for the Sound Manager }
 callBack: ProcPtr;
 userInfo: LONGINT;
 wait: Time;								{ The following is for internal Sound Manager use only.}
 cmdInProgress: SndCommand;
 flags: INTEGER;
 qLength: INTEGER;
 qHead: INTEGER;							{ next spot to read or -1 if empty }
 qTail: INTEGER;							{ next spot to write = qHead if full }
 queue: ARRAY [0..stdQLength - 1] OF SndCommand;
 END;

{ MACE structures }
StateBlockPtr = ^StateBlock;
StateBlock = RECORD
 stateVar: ARRAY [0..stateBlockSize - 1] OF INTEGER;
 END;

LeftOverBlockPtr = ^LeftOverBlock;
LeftOverBlock = RECORD
 count: LONGINT;
 sampleArea: PACKED ARRAY [0..leftOverBlockSize - 1] OF Byte;
 END;

ModRef = RECORD
 modNumber: INTEGER;
 modInit: LONGINT;
 END;

SndListPtr = ^SndListResource;
SndListResource = RECORD
 format: INTEGER;
 numModifiers: INTEGER;
 modifierPart: ARRAY [0..0] OF ModRef;		{This is a variable length array}
 numCommands: INTEGER;
 commandPart: ARRAY [0..0] OF SndCommand;	{This is a variable length array}
 dataPart: PACKED ARRAY [0..0] OF Byte;		{This is a variable length array}
 END;

SoundHeaderPtr = ^SoundHeader;
SoundHeader = PACKED RECORD
 samplePtr: Ptr;							{ if NIL then samples are in sampleArea }
 length: LONGINT;							{ length of sound in bytes }
 sampleRate: Fixed;							{ sample rate for this sound }
 loopStart: LONGINT;						{ start of looping portion }
 loopEnd: LONGINT;							{ end of looping portion }
 encode: Byte;								{ header encoding }
 baseFrequency: Byte;						{ baseFrequency value }
 sampleArea: PACKED ARRAY [0..0] OF Byte;
 END;

CmpSoundHeaderPtr = ^CmpSoundHeader;
CmpSoundHeader = PACKED RECORD
 samplePtr: Ptr;							{ if nil then samples are in sample area }
 numChannels: LONGINT;						{ number of channels i.e. mono = 1 }
 sampleRate: Fixed;							{ sample rate in Apples Fixed point representation }
 loopStart: LONGINT;						{ loopStart of sound before compression }
 loopEnd: LONGINT;							{ loopEnd of sound before compression }
 encode: Byte;								{ data structure used , stdSH, extSH, or cmpSH }
 baseFrequency: Byte;						{ same meaning as regular SoundHeader }
 numFrames: LONGINT;						{ length in frames ( packetFrames or sampleFrames ) }
 AIFFSampleRate: Extended80;				{ IEEE sample rate }
 markerChunk: Ptr;							{ sync track }
 futureUse1: Ptr;							{ reserved by Apple }
 futureUse2: Ptr;							{ reserved by Apple }
 stateVars: StateBlockPtr;					{ pointer to State Block }
 leftOverSamples: LeftOverBlockPtr;			{ used to save truncated samples between compression calls }
 compressionID: INTEGER;					{ 0 means no compression, non zero means compressionID }
 packetSize: INTEGER;						{ number of bits in compressed sample packet }
 snthID: INTEGER;							{ resource ID of Sound Manager snth that contains NRT C/E }
 sampleSize: INTEGER;						{ number of bits in non-compressed sample }
 sampleArea: PACKED ARRAY [0..0] OF Byte;	{ space for when samples follow directly }
 END;

ExtSoundHeaderPtr = ^ExtSoundHeader;
ExtSoundHeader = PACKED RECORD
 samplePtr: Ptr;							{ if nil then samples are in sample area }
 numChannels: LONGINT;						{ number of channels,  ie mono = 1 }
 sampleRate: Fixed;							{ sample rate in Apples Fixed point representation }
 loopStart: LONGINT;						{ same meaning as regular SoundHeader }
 loopEnd: LONGINT;							{ same meaning as regular SoundHeader }
 encode: Byte;								{ data structure used , stdSH, extSH, or cmpSH }
 baseFrequency: Byte;						{ same meaning as regular SoundHeader }
 numFrames: LONGINT;						{ length in total number of frames }
 AIFFSampleRate: Extended80;				{ IEEE sample rate }
 markerChunk: Ptr;							{ sync track }
 instrumentChunks: Ptr;						{ AIFF instrument chunks }
 AESRecording: Ptr;
 sampleSize: INTEGER;						{ number of bits in sample }
 futureUse1: INTEGER;						{ reserved by Apple }
 futureUse2: LONGINT;						{ reserved by Apple }
 futureUse3: LONGINT;						{ reserved by Apple }
 futureUse4: LONGINT;						{ reserved by Apple }
 sampleArea: PACKED ARRAY [0..0] OF Byte;	{ space for when samples follow directly }
 END;

ConversionBlockPtr = ^ConversionBlock;
ConversionBlock = RECORD
 destination: INTEGER;
 unused: INTEGER;
 inputPtr: CmpSoundHeaderPtr;
 outputPtr: CmpSoundHeaderPtr;
 END;

SMStatusPtr = ^SMStatus;
SMStatus = PACKED RECORD
 smMaxCPULoad: INTEGER;
 smNumChannels: INTEGER;
 smCurCPULoad: INTEGER;
 END;

SCStatusPtr = ^SCStatus;
SCStatus = RECORD
 scStartTime: Fixed;
 scEndTime: Fixed;
 scCurrentTime: Fixed;
 scChannelBusy: BOOLEAN;
 scChannelDisposed: BOOLEAN;
 scChannelPaused: BOOLEAN;
 scUnused: BOOLEAN;
 scChannelAttributes: LONGINT;
 scCPULoad: LONGINT;
 END;

AudioSelectionPtr = ^AudioSelection;
AudioSelection = PACKED RECORD
 unitType: LONGINT;
 selStart: Fixed;
 selEnd: Fixed;
 END;

SndDoubleBufferPtr = ^SndDoubleBuffer;
SndDoubleBuffer = PACKED RECORD
 dbNumFrames: LONGINT;
 dbFlags: LONGINT;
 dbUserInfo: ARRAY [0..1] OF LONGINT;
 dbSoundData: PACKED ARRAY [0..0] OF Byte;
 END;

SndDoubleBufferHeaderPtr = ^SndDoubleBufferHeader;
SndDoubleBufferHeader = PACKED RECORD
 dbhNumChannels: INTEGER;
 dbhSampleSize: INTEGER;
 dbhCompressionID: INTEGER;
 dbhPacketSize: INTEGER;
 dbhSampleRate: Fixed;
 dbhBufferPtr: ARRAY [0..1] OF SndDoubleBufferPtr;
 dbhDoubleBack: ProcPtr;
 END;


FUNCTION SndDoCommand(chan: SndChannelPtr;cmd: SndCommand;noWait: BOOLEAN): OSErr;
 INLINE $A803;
FUNCTION SndDoImmediate(chan: SndChannelPtr;cmd: SndCommand): OSErr;
 INLINE $A804;
FUNCTION SndNewChannel(VAR chan: SndChannelPtr;synth: INTEGER;init: LONGINT;
 userRoutine: ProcPtr): OSErr;
 INLINE $A807;
FUNCTION SndDisposeChannel(chan: SndChannelPtr;quietNow: BOOLEAN): OSErr;
 INLINE $A801;
FUNCTION SndPlay(chan: SndChannelPtr;sndHdl: Handle;async: BOOLEAN): OSErr;
 INLINE $A805;
FUNCTION SndAddModifier(chan: SndChannelPtr;modifier: ProcPtr;id: INTEGER;
 init: LONGINT): OSErr;
 INLINE $A802;
FUNCTION SndControl(id: INTEGER;VAR cmd: SndCommand): OSErr;
 INLINE $A806;

PROCEDURE SetSoundVol(level: INTEGER);
PROCEDURE GetSoundVol(VAR level: INTEGER);
PROCEDURE StartSound(synthRec: Ptr;numBytes: LONGINT;completionRtn: ProcPtr);
PROCEDURE StopSound;
FUNCTION SoundDone: BOOLEAN;

FUNCTION SndSoundManagerVersion: NumVersion;
 INLINE $203C,$000C,$0008,$A800;
FUNCTION SndStartFilePlay(chan: SndChannelPtr;fRefNum: INTEGER;resNum: INTEGER;
 bufferSize: LONGINT;theBuffer: Ptr;theSelection: AudioSelectionPtr;theCompletion: ProcPtr;
 async: BOOLEAN): OSErr;
 INLINE $203C,$0D00,$0008,$A800;
FUNCTION SndPauseFilePlay(chan: SndChannelPtr): OSErr;
 INLINE $203C,$0204,$0008,$A800;
FUNCTION SndStopFilePlay(chan: SndChannelPtr;async: BOOLEAN): OSErr;
 INLINE $203C,$0308,$0008,$A800;
FUNCTION SndChannelStatus(chan: SndChannelPtr;theLength: INTEGER;theStatus: SCStatusPtr): OSErr;
 INLINE $203C,$0010,$0008,$A800;
FUNCTION SndManagerStatus(theLength: INTEGER;theStatus: SMStatusPtr): OSErr;
 INLINE $203C,$0014,$0008,$A800;
PROCEDURE SndGetSysBeepState(VAR sysBeepState: INTEGER);
 INLINE $203C,$0018,$0008,$A800;
FUNCTION SndSetSysBeepState(sysBeepState: INTEGER): OSErr;
 INLINE $203C,$001C,$0008,$A800;
FUNCTION SndPlayDoubleBuffer(chan: SndChannelPtr;theParams: SndDoubleBufferHeaderPtr): OSErr;
 INLINE $203C,$0020,$0008,$A800;

FUNCTION MACEVersion: NumVersion;
 INLINE $203C,$0000,$0010,$A800;
PROCEDURE Comp3to1(inBuffer: Ptr;outBuffer: Ptr;cnt: LONGINT;inState: Ptr;
 outState: Ptr;numChannels: LONGINT;whichChannel: LONGINT);
 INLINE $203C,$0004,$0010,$A800;
PROCEDURE Exp1to3(inBuffer: Ptr;outBuffer: Ptr;cnt: LONGINT;inState: Ptr;
 outState: Ptr;numChannels: LONGINT;whichChannel: LONGINT);
 INLINE $203C,$0008,$0010,$A800;
PROCEDURE Comp6to1(inBuffer: Ptr;outBuffer: Ptr;cnt: LONGINT;inState: Ptr;
 outState: Ptr;numChannels: LONGINT;whichChannel: LONGINT);
 INLINE $203C,$000C,$0010,$A800;
PROCEDURE Exp1to6(inBuffer: Ptr;outBuffer: Ptr;cnt: LONGINT;inState: Ptr;
 outState: Ptr;numChannels: LONGINT;whichChannel: LONGINT);
 INLINE $203C,$0010,$0010,$A800;


{$ENDC} { UsingSound }

{$IFC NOT UsingIncludes}
 END.
{$ENDC}

