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/*****************************************************************
|
| Copyright 2002-2008 Axiomatic Systems, LLC
|
| $Id: TkhdAtom.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.DataOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
public class TkhdAtom extends Atom {
private int trackId;
private int duration;
private int creationTime;
private int modificationTime;
private int width;
private int height;
private int layer;
private int alternateGroup;
private int volume;
int getDuration() { return duration; }
int getTrackId() { return trackId; }
public TkhdAtom(int size, RandomAccessFile source) throws IOException {
super(TYPE_TKHD, size, true, source);
if (version == 0) {
// we only deal with version 0 for now
creationTime = source.readInt();
modificationTime = source.readInt();
trackId = source.readInt();
source.skipBytes(4);
duration = source.readInt();
} else {
source.skipBytes(32);
}
source.skipBytes(8);
layer = source.readUnsignedShort();
alternateGroup = source.readUnsignedShort();
volume = source.readUnsignedShort();
source.skipBytes(2+9*4);
width = source.readInt();
height = source.readInt();
}
public String toString(String indentation) {
StringBuffer result = new StringBuffer(super.toString(indentation));
result.append("\n" + indentation + " track_id = " + trackId);
result.append("\n" + indentation + " duration = " + duration);
result.append("\n" + indentation + " creation_time = " + creationTime);
result.append("\n" + indentation + " modification_time = " + modificationTime);
result.append("\n" + indentation + " width = " + width);
result.append("\n" + indentation + " height = " + height);
result.append("\n" + indentation + " alternate_group = " + alternateGroup);
result.append("\n" + indentation + " layer = " + layer);
result.append("\n" + indentation + " volume = " + volume);
return result.toString();
}
protected void writeFields(DataOutputStream stream) throws IOException {
// not implemented yet
throw new RuntimeException("not implemented yet");
}
}
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