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/*
* $ProjectName$
* $ProjectRevision$
* -----------------------------------------------------------
* $Id$
* -----------------------------------------------------------
*
* $Author$
*
* Description:
*
* Copyright 2002-2003 Tor-Einar Jarnbjo
* -----------------------------------------------------------
*
* Change History
* -----------------------------------------------------------
* $Log$
* Revision 1.1 2005/07/11 15:42:36 hcl
* Songdb java version, source. only 1.5 compatible
*
* Revision 1.1.1.1 2004/04/04 22:09:12 shred
* First Import
*
* Revision 1.2 2003/03/16 01:11:12 jarnbjo
* no message
*
*
*/
package de.jarnbjo.vorbis;
import java.io.*;
import de.jarnbjo.util.io.*;
class SetupHeader {
private static final long HEADER = 0x736962726f76L; // 'vorbis'
private CodeBook[] codeBooks;
private Floor[] floors;
private Residue[] residues;
private Mapping[] mappings;
private Mode[] modes;
public SetupHeader(VorbisStream vorbis, BitInputStream source) throws VorbisFormatException, IOException {
if(source.getLong(48)!=HEADER) {
throw new VorbisFormatException("The setup header has an illegal leading.");
}
// read code books
int codeBookCount=source.getInt(8)+1;
codeBooks=new CodeBook[codeBookCount];
for(int i=0; i<codeBooks.length; i++) {
codeBooks[i]=new CodeBook(source);
}
// read the time domain transformations,
// these should all be 0
int timeCount=source.getInt(6)+1;
for(int i=0; i<timeCount; i++) {
if(source.getInt(16)!=0) {
throw new VorbisFormatException("Time domain transformation != 0");
}
}
// read floor entries
int floorCount=source.getInt(6)+1;
floors=new Floor[floorCount];
for(int i=0; i<floorCount; i++) {
floors[i]=Floor.createInstance(source, this);
}
// read residue entries
int residueCount=source.getInt(6)+1;
residues=new Residue[residueCount];
for(int i=0; i<residueCount; i++) {
residues[i]=Residue.createInstance(source, this);
}
// read mapping entries
int mappingCount=source.getInt(6)+1;
mappings=new Mapping[mappingCount];
for(int i=0; i<mappingCount; i++) {
mappings[i]=Mapping.createInstance(vorbis, source, this);
}
// read mode entries
int modeCount=source.getInt(6)+1;
modes=new Mode[modeCount];
for(int i=0; i<modeCount; i++) {
modes[i]=new Mode(source, this);
}
if(!source.getBit()) {
throw new VorbisFormatException("The setup header framing bit is incorrect.");
}
}
public CodeBook[] getCodeBooks() {
return codeBooks;
}
public Floor[] getFloors() {
return floors;
}
public Residue[] getResidues() {
return residues;
}
public Mapping[] getMappings() {
return mappings;
}
public Mode[] getModes() {
return modes;
}
}
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