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192 lines
3.4 KiB
C
192 lines
3.4 KiB
C
/*
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File: AIFF.h
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Contains: Definition of AIFF file format componentes
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Copyright © Apple Computer, Inc. 1989-1991
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All rights reserved
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*/
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#ifndef __AIFF__
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#define __AIFF__
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#ifndef __TYPES__
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#include <Types.h>
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#endif
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#define AIFFID 'AIFF'
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#define AIFCID 'AIFC'
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#define FormatVersionID 'FVER'
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#define CommonID 'COMM'
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#define FORMID 'FORM'
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#define SoundDataID 'SSND'
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#define MarkerID 'MARK'
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#define InstrumentID 'INST'
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#define MIDIDataID 'MIDI'
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#define AudioRecordingID 'AESD'
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#define ApplicationSpecificID 'APPL'
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#define CommentID 'COMT'
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#define NameID 'NAME'
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#define AuthorID 'AUTH'
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#define CopyrightID '(c) '
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#define AnnotationID 'ANNO'
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#define NoLooping 0
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#define ForwardLooping 1
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#define ForwardBackwardLooping 2
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/* AIFF-C Versions */
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#define AIFCVersion1 0xA2805140
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/* Compression Types */
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#define NoneName "\pnot compressed"
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#define ACE2to1Name "\pACE 2-to-1"
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#define ACE8to3Name "\pACE 8-to-3"
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#define MACE3to1Name "\pMACE 3-to-1"
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#define MACE6to1Name "\pMACE 6-to-1"
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/* Compression Names */
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#define NoneType 'NONE'
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#define ACE2Type 'ACE2'
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#define ACE8Type 'ACE8'
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#define MACE3Type 'MAC3'
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#define MACE6Type 'MAC6'
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typedef unsigned long ID;
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typedef short MarkerIdType;
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typedef struct
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{
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ID ckID;
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long ckSize;
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} ChunkHeader;
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typedef struct
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{
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ID ckID;
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long ckSize;
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ID formType;
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} ContainerChunk;
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typedef struct
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{
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ID ckID;
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long ckSize;
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unsigned long timestamp;
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} FormatVersionChunk,*FormatVersionChunkPtr;
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typedef struct
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{
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ID ckID;
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long ckSize;
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short numChannels;
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unsigned long numSampleFrames;
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short sampleSize;
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extended sampleRate;
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} CommonChunk,*CommonChunkPtr;
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typedef struct
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{
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ID ckID;
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long ckSize;
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short numChannels;
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unsigned long numSampleFrames;
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short sampleSize;
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extended sampleRate;
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ID compressionType;
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char compressionName[1];
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} ExtCommonChunk,*ExtCommonChunkPtr;
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typedef struct
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{
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ID ckID;
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long ckSize;
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unsigned long offset;
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unsigned long blockSize;
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} SoundDataChunk, *SoundDataChunkPtr;
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typedef struct
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{
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MarkerIdType id;
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unsigned long position;
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Str255 markerName;
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} Marker;
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typedef struct
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{
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ID ckID;
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long ckSize;
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unsigned short numMarkers;
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Marker Markers[1];
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} MarkerChunk, *MarkerChunkPtr;
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typedef struct
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{
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short playMode;
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MarkerIdType beginLoop;
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MarkerIdType endLoop;
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} AIFFLoop;
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typedef struct
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{
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ID ckID;
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long ckSize;
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char baseFrequency;
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char detune;
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char lowFrequency;
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char highFrequency;
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char lowVelocity;
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char highVelocity;
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short gain;
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AIFFLoop sustainLoop;
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AIFFLoop releaseLoop;
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} InstrumentChunk, *InstrumentChunkPtr;
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typedef struct
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{
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ID ckID;
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long ckSize;
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unsigned char MIDIdata[1];
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} MIDIDataChunk, *MIDIDataChunkPtr;
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typedef struct
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{
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ID ckID;
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long ckSize;
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unsigned char AESChannelStatus[24];
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} AudioRecordingChunk, *AudioRecordingChunkPtr;
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typedef struct
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{
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ID ckID;
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long ckSize;
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OSType applicationSignature;
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char data[1];
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} ApplicationSpecificChunk, *ApplicationSpecificChunkPtr;
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typedef struct
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{
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unsigned long timeStamp;
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MarkerIdType marker;
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unsigned short count;
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char text[1];
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} Comment;
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typedef struct
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{
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ID ckID;
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long ckSize;
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unsigned short numComments;
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Comment comments[1];
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} CommentsChunk, *CommentsChunkPtr;
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typedef struct
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{
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ID ckID;
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long ckSize;
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char text[1];
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} TextChunk, *TextChunkPtr;
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#endif
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