/* * $ProjectName$ * $ProjectRevision$ * ----------------------------------------------------------- * $Id: IdentificationHeader.java,v 1.3 2003/03/31 00:20:16 jarnbjo Exp $ * ----------------------------------------------------------- * * $Author: jarnbjo $ * * Description: * * Copyright 2002-2003 Tor-Einar Jarnbjo * ----------------------------------------------------------- * * Change History * ----------------------------------------------------------- * $Log: IdentificationHeader.java,v $ * Revision 1.3 2003/03/31 00:20:16 jarnbjo * no message * * Revision 1.2 2003/03/16 01:11:12 jarnbjo * no message * * */ package de.jarnbjo.vorbis; import java.io.*; import de.jarnbjo.util.io.BitInputStream; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; /** */ public class IdentificationHeader { private int version, channels, sampleRate, bitrateMaximum, bitrateNominal, bitrateMinimum, blockSize0, blockSize1; private boolean framingFlag; private MdctFloat[] mdct=new MdctFloat[2]; //private MdctLong[] mdctInt=new MdctLong[2]; private static final long HEADER = 0x736962726f76L; // 'vorbis' public IdentificationHeader(BitInputStream source) throws VorbisFormatException, IOException { //equalizer=new Equalizer(); //equalizer.pack(); //equalizer.show(); long leading=source.getLong(48); if(leading!=HEADER) { throw new VorbisFormatException("The identification header has an illegal leading."); } version=source.getInt(32); channels=source.getInt(8); sampleRate=source.getInt(32); bitrateMaximum=source.getInt(32); bitrateNominal=source.getInt(32); bitrateMinimum=source.getInt(32); int bs=source.getInt(8); blockSize0=1<<(bs&0xf); blockSize1=1<<(bs>>4); mdct[0]=new MdctFloat(blockSize0); mdct[1]=new MdctFloat(blockSize1); //mdctInt[0]=new MdctLong(blockSize0); //mdctInt[1]=new MdctLong(blockSize1); framingFlag=source.getInt(8)!=0; } public int getSampleRate() { return sampleRate; } public int getMaximumBitrate() { return bitrateMaximum; } public int getNominalBitrate() { return bitrateNominal; } public int getMinimumBitrate() { return bitrateMinimum; } public int getChannels() { return channels; } public int getBlockSize0() { return blockSize0; } public int getBlockSize1() { return blockSize1; } protected MdctFloat getMdct0() { return mdct[0]; } protected MdctFloat getMdct1() { return mdct[1]; } public int getVersion() { return version; } }