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/*****************************************************************
|
| Copyright 2002-2008 Axiomatic Systems, LLC
|
| $Id: AudioSampleEntry.java 196 2008-10-14 22:59:31Z bok $
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL is free software; you can redistribute it and/or modify
| it under the terms of the GNU General Public License as published by
| the Free Software Foundation; either version 2, or (at your option)
| any later version.
|
| Bento4|GPL 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 General Public License for more details.
|
| You should have received a copy of the GNU General Public License
| along with Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
package com.axiosys.bento4;
import java.io.IOException;
import java.io.RandomAccessFile;
public class AudioSampleEntry extends MpegSampleEntry {
private int sampleRate;
private int channelCount;
private int sampleSize;
protected AudioSampleEntry(int format, int size, RandomAccessFile source, AtomFactory atomFactory) throws IOException, InvalidFormatException {
super(format, size, source, atomFactory);
}
int getSampleRate() { return (sampleRate>>16)&0xFFFF; }
int getSampleSize() { return sampleSize; }
int getChannelCount() { return channelCount; }
protected void readFields(RandomAccessFile source) throws IOException {
super.readFields(source);
source.skipBytes(8);
channelCount = source.readUnsignedShort();
sampleSize = source.readUnsignedShort();
source.skipBytes(4);
sampleRate = source.readInt();
}
public String toString(String indentation) {
StringBuffer result = new StringBuffer();
result.append(indentation+"[" + typeString(type) + "] size=" + getHeaderSize() + "+" + getPayloadSize());
result.append("\n" + indentation + " sample_rate = " + getSampleRate());
result.append("\n" + indentation + " sample_size = " + sampleSize);
result.append("\n" + indentation + " channel_count = " + channelCount);
for (int i=0; i<children.size(); i++) {
result.append("\n");
result.append(((Atom)children.get(i)).toString(indentation+" "));
}
return result.toString();
}
}
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