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AIFF.h
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1991-04-17
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/*
File: AIFF.h
Contains: Definition of AIFF file format componentes
Copyright © Apple Computer, Inc. 1989-1991
All rights reserved
*/
#ifndef __AIFF__
#define __AIFF__
#ifndef __TYPES__
#include <Types.h>
#endif
#define AIFFID 'AIFF'
#define AIFCID 'AIFC'
#define FormatVersionID 'FVER'
#define CommonID 'COMM'
#define FORMID 'FORM'
#define SoundDataID 'SSND'
#define MarkerID 'MARK'
#define InstrumentID 'INST'
#define MIDIDataID 'MIDI'
#define AudioRecordingID 'AESD'
#define ApplicationSpecificID 'APPL'
#define CommentID 'COMT'
#define NameID 'NAME'
#define AuthorID 'AUTH'
#define CopyrightID '(c) '
#define AnnotationID 'ANNO'
#define NoLooping 0
#define ForwardLooping 1
#define ForwardBackwardLooping 2
/* AIFF-C Versions */
#define AIFCVersion1 0xA2805140
/* Compression Types */
#define NoneName "\pnot compressed"
#define ACE2to1Name "\pACE 2-to-1"
#define ACE8to3Name "\pACE 8-to-3"
#define MACE3to1Name "\pMACE 3-to-1"
#define MACE6to1Name "\pMACE 6-to-1"
/* Compression Names */
#define NoneType 'NONE'
#define ACE2Type 'ACE2'
#define ACE8Type 'ACE8'
#define MACE3Type 'MAC3'
#define MACE6Type 'MAC6'
typedef unsigned long ID;
typedef short MarkerIdType;
typedef struct
{
ID ckID;
long ckSize;
} ChunkHeader;
typedef struct
{
ID ckID;
long ckSize;
ID formType;
} ContainerChunk;
typedef struct
{
ID ckID;
long ckSize;
unsigned long timestamp;
} FormatVersionChunk,*FormatVersionChunkPtr;
typedef struct
{
ID ckID;
long ckSize;
short numChannels;
unsigned long numSampleFrames;
short sampleSize;
extended sampleRate;
} CommonChunk,*CommonChunkPtr;
typedef struct
{
ID ckID;
long ckSize;
short numChannels;
unsigned long numSampleFrames;
short sampleSize;
extended sampleRate;
ID compressionType;
char compressionName[1];
} ExtCommonChunk,*ExtCommonChunkPtr;
typedef struct
{
ID ckID;
long ckSize;
unsigned long offset;
unsigned long blockSize;
} SoundDataChunk, *SoundDataChunkPtr;
typedef struct
{
MarkerIdType id;
unsigned long position;
Str255 markerName;
} Marker;
typedef struct
{
ID ckID;
long ckSize;
unsigned short numMarkers;
Marker Markers[1];
} MarkerChunk, *MarkerChunkPtr;
typedef struct
{
short playMode;
MarkerIdType beginLoop;
MarkerIdType endLoop;
} AIFFLoop;
typedef struct
{
ID ckID;
long ckSize;
char baseFrequency;
char detune;
char lowFrequency;
char highFrequency;
char lowVelocity;
char highVelocity;
short gain;
AIFFLoop sustainLoop;
AIFFLoop releaseLoop;
} InstrumentChunk, *InstrumentChunkPtr;
typedef struct
{
ID ckID;
long ckSize;
unsigned char MIDIdata[1];
} MIDIDataChunk, *MIDIDataChunkPtr;
typedef struct
{
ID ckID;
long ckSize;
unsigned char AESChannelStatus[24];
} AudioRecordingChunk, *AudioRecordingChunkPtr;
typedef struct
{
ID ckID;
long ckSize;
OSType applicationSignature;
char data[1];
} ApplicationSpecificChunk, *ApplicationSpecificChunkPtr;
typedef struct
{
unsigned long timeStamp;
MarkerIdType marker;
unsigned short count;
char text[1];
} Comment;
typedef struct
{
ID ckID;
long ckSize;
unsigned short numComments;
Comment comments[1];
} CommentsChunk, *CommentsChunkPtr;
typedef struct
{
ID ckID;
long ckSize;
char text[1];
} TextChunk, *TextChunkPtr;
#endif