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234 lines
7.2 KiB
234 lines
7.2 KiB
5 years ago
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/*
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File: AIFF.h
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Contains: Definition of AIFF file format components.
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Version: QuickTime 7.3
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Copyright: (c) 2007 (c) 1989-2001 by Apple Computer, Inc., all rights reserved.
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Bugs?: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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*/
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#ifndef __AIFF__
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#define __AIFF__
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#ifndef __MACTYPES__
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#include <MacTypes.h>
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#endif
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#if PRAGMA_ONCE
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#pragma once
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#endif
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#if PRAGMA_IMPORT
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#pragma import on
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#endif
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=mac68k
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(push, 2)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack(2)
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#endif
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enum {
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AIFFID = FOUR_CHAR_CODE('AIFF'),
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AIFCID = FOUR_CHAR_CODE('AIFC'),
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FormatVersionID = FOUR_CHAR_CODE('FVER'),
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CommonID = FOUR_CHAR_CODE('COMM'),
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FORMID = FOUR_CHAR_CODE('FORM'),
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SoundDataID = FOUR_CHAR_CODE('SSND'),
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MarkerID = FOUR_CHAR_CODE('MARK'),
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InstrumentID = FOUR_CHAR_CODE('INST'),
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MIDIDataID = FOUR_CHAR_CODE('MIDI'),
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AudioRecordingID = FOUR_CHAR_CODE('AESD'),
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ApplicationSpecificID = FOUR_CHAR_CODE('APPL'),
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CommentID = FOUR_CHAR_CODE('COMT'),
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NameID = FOUR_CHAR_CODE('NAME'),
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AuthorID = FOUR_CHAR_CODE('AUTH'),
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CopyrightID = FOUR_CHAR_CODE('(c) '),
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AnnotationID = FOUR_CHAR_CODE('ANNO')
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};
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enum {
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NoLooping = 0,
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ForwardLooping = 1,
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ForwardBackwardLooping = 2
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};
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enum {
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/* AIFF-C Versions */
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AIFCVersion1 = (long)0xA2805140
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};
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/* Compression Names */
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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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enum {
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/* Compression Types */
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NoneType = FOUR_CHAR_CODE('NONE'),
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ACE2Type = FOUR_CHAR_CODE('ACE2'),
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ACE8Type = FOUR_CHAR_CODE('ACE8'),
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MACE3Type = FOUR_CHAR_CODE('MAC3'),
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MACE6Type = FOUR_CHAR_CODE('MAC6')
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};
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typedef unsigned long ID;
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typedef short MarkerIdType;
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struct ChunkHeader {
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ID ckID;
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long ckSize;
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};
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typedef struct ChunkHeader ChunkHeader;
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struct ContainerChunk {
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ID ckID;
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long ckSize;
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ID formType;
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};
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typedef struct ContainerChunk ContainerChunk;
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struct FormatVersionChunk {
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ID ckID;
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long ckSize;
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unsigned long timestamp;
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};
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typedef struct FormatVersionChunk FormatVersionChunk;
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typedef FormatVersionChunk * FormatVersionChunkPtr;
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struct CommonChunk {
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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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extended80 sampleRate;
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};
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typedef struct CommonChunk CommonChunk;
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typedef CommonChunk * CommonChunkPtr;
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struct ExtCommonChunk {
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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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extended80 sampleRate;
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ID compressionType;
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char compressionName[1]; /* variable length array, Pascal string */
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};
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typedef struct ExtCommonChunk ExtCommonChunk;
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typedef ExtCommonChunk * ExtCommonChunkPtr;
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struct SoundDataChunk {
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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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};
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typedef struct SoundDataChunk SoundDataChunk;
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typedef SoundDataChunk * SoundDataChunkPtr;
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struct Marker {
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MarkerIdType id;
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unsigned long position;
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Str255 markerName;
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};
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typedef struct Marker Marker;
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struct MarkerChunk {
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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]; /* variable length array */
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};
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typedef struct MarkerChunk MarkerChunk;
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typedef MarkerChunk * MarkerChunkPtr;
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struct AIFFLoop {
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short playMode;
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MarkerIdType beginLoop;
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MarkerIdType endLoop;
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};
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typedef struct AIFFLoop AIFFLoop;
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struct InstrumentChunk {
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ID ckID;
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long ckSize;
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UInt8 baseFrequency;
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UInt8 detune;
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UInt8 lowFrequency;
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UInt8 highFrequency;
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UInt8 lowVelocity;
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UInt8 highVelocity;
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short gain;
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AIFFLoop sustainLoop;
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AIFFLoop releaseLoop;
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};
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typedef struct InstrumentChunk InstrumentChunk;
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typedef InstrumentChunk * InstrumentChunkPtr;
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struct MIDIDataChunk {
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ID ckID;
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long ckSize;
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UInt8 MIDIdata[1]; /* variable length array */
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};
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typedef struct MIDIDataChunk MIDIDataChunk;
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typedef MIDIDataChunk * MIDIDataChunkPtr;
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struct AudioRecordingChunk {
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ID ckID;
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long ckSize;
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UInt8 AESChannelStatus[24];
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};
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typedef struct AudioRecordingChunk AudioRecordingChunk;
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typedef AudioRecordingChunk * AudioRecordingChunkPtr;
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struct ApplicationSpecificChunk {
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ID ckID;
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long ckSize;
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OSType applicationSignature;
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UInt8 data[1]; /* variable length array */
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};
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typedef struct ApplicationSpecificChunk ApplicationSpecificChunk;
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typedef ApplicationSpecificChunk * ApplicationSpecificChunkPtr;
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struct Comment {
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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]; /* variable length array, Pascal string */
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};
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typedef struct Comment Comment;
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struct CommentsChunk {
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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]; /* variable length array */
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};
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typedef struct CommentsChunk CommentsChunk;
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typedef CommentsChunk * CommentsChunkPtr;
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struct TextChunk {
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ID ckID;
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long ckSize;
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char text[1]; /* variable length array, Pascal string */
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};
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typedef struct TextChunk TextChunk;
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typedef TextChunk * TextChunkPtr;
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=reset
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(pop)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack()
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#endif
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#ifdef PRAGMA_IMPORT_OFF
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#pragma import off
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#elif PRAGMA_IMPORT
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#pragma import reset
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#endif
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#endif /* __AIFF__ */
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