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Text File | 1992-01-29 | 12.8 KB | 456 lines | [TEXT/MPS ] |
-
- {
- 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}
-
-