/*

File: VRSampleDescription.java

Abstract: Custom description class for our media type

Version: 1.2

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*/

package com.vr;

import quicktime.QTException;

import quicktime.std.movies.AtomContainer;

import quicktime.std.movies.media.*;

/**

 * This class represents a description of QTVR media.

 */

public final class VRSampleDescription extends SampleDescription {

//_________________________ CLASS VARIABLES

    private final static int kNativeSize = 20;

    public static final int qtvrMediaType = 0x71747672;  //'qtvr'

/*                          offset  size

    UInt32  descSize;       0       4               /* total size of the QTVRSampleDescription

    UInt32  descType;       4       4           /* must be 'qtvr'

    UInt32  reserved1;      8       4           /* must be zero

    UInt16  reserved2;      12      2           /* must be zero

    UInt16  dataRefIndex;   14      2           /* must be zero

    UInt32  data;           16      4   => 20           /* Will be extended to hold vrWorld QTAtomContainer

*/

//_________________________ CLASS METHODS

    /** This constructor makes a new VRDescription object.  */

    public VRSampleDescription () throws QTException{

        super (kNativeSize, true, qtvrMediaType);

    }

    private VRSampleDescription (int hand) {

        super (hand, null, false);

    }

//_________________________ INSTANCE METHODS

    /** Implementation of Cloneable Interface.  */

    public Object clone() { return new VRSampleDescription (makeAndCopyHandle ()); }

    /**

     * Returns the AtomContainer that is at the end of the Media structure.

     * It allows you to edit the contents of this atom container that is attached

     * to the description - it edits in place, rather than returning you a copy.

     * @return the VRWorld atom container.

     *

    public AtomContainer getVRWorld () {

        return MediaMoviesAccess.makeAtomContainer (getIntAt(16), this);

    }*/

}