com.drew.metadata.mp4.boxes.Box Maven / Gradle / Ivy

/*
 * Copyright 2002-2017 Drew Noakes
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 *
 * More information about this project is available at:
 *
 *    https://drewnoakes.com/code/exif/
 *    https://github.com/drewnoakes/metadata-extractor
 */
package com.drew.metadata.mp4.boxes;

import com.drew.lang.SequentialReader;

import java.io.IOException;

/**
 * ISO/IED 14496-12:2015 pg.6
 */
public class Box
{
    public long size;
    public String type;
    public String usertype;

    public Box(SequentialReader reader) throws IOException
    {
        this.size = reader.getUInt32();
        this.type = reader.getString(4);
        if (size == 1) {
            size = reader.getInt64();
        } else if (size == 0) {
            size = -1;
        }
        if (type.equals("uuid")) {
            usertype = reader.getString(16);
        }
    }

    public Box(Box box)
    {
        this.size = box.size;
        this.type = box.type;
        this.usertype = box.usertype;
    }
}