/*
* Entagged Audio Tag library
* Copyright (c) 2003-2005 Rapha�l Slinckx <raphael@slinckx.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jaudiotagger.audio.wav.util;
public class WavFormatHeader {
private boolean isValid = false;
private int channels, sampleRate, bytesPerSecond, bitrate;
public WavFormatHeader(byte[] b) {
String fmt = new String(b, 0, 3);
//System.err.println(fmt);
if (fmt.equals("fmt") && b[8] == 1) {
channels = b[10];
//System.err.println(channels);
sampleRate = u(b[15]) * 16777216 + u(b[14]) * 65536 + u(b[13]) * 256 + u(b[12]);
//System.err.println(sampleRate);
bytesPerSecond = u(b[19]) * 16777216 + u(b[18]) * 65536 + u(b[17]) * 256 + u(b[16]);
//System.err.println(bytesPerSecond);
bitrate = u(b[22]);
isValid = true;
}
}
public boolean isValid() {
return isValid;
}
public int getChannelNumber() {
return channels;
}
public int getSamplingRate() {
return sampleRate;
}
public int getBytesPerSecond() {
return bytesPerSecond;
}
public int getBitrate() {
return bitrate;
}
private int u(int n) {
return n & 0xff;
}
public String toString() {
String out = "RIFF-WAVE Header:\n";
out += "Is valid?: " + isValid;
return out;
}
}