/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.restcomm.media.resource.player.video.mpeg;
import java.io.DataInputStream;
import java.io.IOException;
/**
* Look 3Gpp TS 26.244 section 6.4
*
* @author amit bhayani
*
*/
public class MP4AudioSampleEntry extends AudioSampleEntry {
// File Type = mp4a
static byte[] TYPE = new byte[] { AsciiTable.ALPHA_m, AsciiTable.ALPHA_p, AsciiTable.DIGIT_FOUR, AsciiTable.ALPHA_a };
static String TYPE_S = "mp4a";
static {
bytetoTypeMap.put(TYPE, TYPE_S);
}
private ESDBox esdBox = null;
public MP4AudioSampleEntry(long size) {
super(size, TYPE_S);
}
@Override
protected int load(DataInputStream fin) throws IOException {
int count = super.load(fin);
if (count < getSize()) {
long len = readU32(fin);
byte[] type = read(fin);
if (comparebytes(type, ESDBox.TYPE)) {
esdBox = new ESDBox(len);
count += esdBox.load(fin);
} else {
throw new IOException("Unknown box=" + new String(type) + "parent = AudioSampleEntry");
}
}
return count;
}
public ESDBox getEsdBox() {
return esdBox;
}
}