/*
* Copyright (C) 2011 in-somnia
*
* This file is part of JAAD.
*
* JAAD 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 3 of the
* License, or (at your option) any later version.
*
* JAAD 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, see <http://www.gnu.org/licenses/>.
*/
package net.sourceforge.jaad.mp4.boxes.impl;
import java.io.IOException;
import net.sourceforge.jaad.mp4.MP4InputStream;
import net.sourceforge.jaad.mp4.boxes.BoxTypes;
import net.sourceforge.jaad.mp4.boxes.FullBox;
/**
* This box contains the degradation priority of each sample. The values are
* stored in the table, one for each sample. Specifications derived from this
* define the exact meaning and acceptable range of the priority field.
*
* @author in-somnia
*/
public class DegradationPriorityBox extends FullBox {
private int[] priorities;
public DegradationPriorityBox() {
super("Degradation Priority Box");
}
@Override
public void decode(MP4InputStream in) throws IOException {
super.decode(in);
//get number of samples from SampleSizeBox
final int sampleCount = ((SampleSizeBox) parent.getChild(BoxTypes.SAMPLE_SIZE_BOX)).getSampleCount();
priorities = new int[sampleCount];
for(int i = 0; i<sampleCount; i++) {
priorities[i] = (int) in.readBytes(2);
}
}
/**
* The priority is integer specifying the degradation priority for each
* sample.
* @return the list of priorities
*/
public int[] getPriorities() {
return priorities;
}
}