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目前它只是一个物联网通信的工具，包含 1、西门子S7通信协议，支持西门子S1500，S1200，S400，S300，S200Smart，西门子机床828D; 2、Modbus通信协议，支持ModbusTcp, ModbusRtuOverTcp, ModbusAsciiOverTcp, ModbusTcpServer; 3、三菱Melsec（MC）通信协议，支持PLC iQ-R系列, Q/L系列, QnA系列, A系列, 目前只测试了L系列和FX5U; 4、RTSP, RTCP, RTP, H264, MP4 (FMP4)协议，RTSP + H264 + FMP4 + WebSocket + MSE + WEB; 5、基础字节数组解析转换工具;

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/*
 * MIT License
 *
 * Copyright (c) 2021-2099 Oscura (xingshuang) 
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.github.xingshuangs.iot.protocol.mp4.model;


import com.github.xingshuangs.iot.common.IObjectByteArray;
import com.github.xingshuangs.iot.protocol.mp4.enums.EMp4Type;

/**
 * Mp4 box.
 * (Mp4的盒子)
 *
 * @author xingshuang
 */
public class Mp4Box implements IObjectByteArray {

    /**
     * 32-bit box type, usually 4 characters, such as "ftyp", "moov", etc. These box types are predefined and respectively represent fixed meanings.
     * Its value is an ASCII value of the type. When type is a uuid, it means that the data in the Box is a user-defined extension type.
     * 32位为box type，一般是4个字符，如“ftyp”、“moov”等，这些box type都是已经预定义好的，分别表示固定的意义,
     * 其值为类型的ASCII值，当type是uuid时，代表Box中的数据是用户自定义扩展类型
     */
    protected EMp4Type mp4Type;


    /**
     * The standard box starts with 4 bytes (32 bits) as box size. box size includes the size of box header and box body.
     * 标准的box开头的4个字节（32位）为box size，box size值包括box header和box body整个box的大小
     *
     * @return total byte length
     */
    @Override
    public int byteArrayLength() {
        return 0;
    }

    @Override
    public byte[] toByteArray() {
        return new byte[0];
    }
}