com.github.xingshuangs.iot.protocol.mp4.model.Mp4StblBox Maven / Gradle / Ivy
/*
* 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.buff.ByteWriteBuff;
import com.github.xingshuangs.iot.protocol.mp4.enums.EMp4Type;
/**
* Sample Table Box(stbl)是mdia中最主要的部分，存放文件中每个 Sample信息.首先介绍下Sample和trunk的概念，
* 在 MP4文件中，Sample 是一个媒体流的基本单元
*
* @author xingshuang
*/
public class Mp4StblBox extends Mp4Box {
private final Mp4StsdBox stsdBox;
private final Mp4SttsBox sttsBox;
private final Mp4StscBox stscBox;
private final Mp4StszBox stszBox;
private final Mp4StcoBox stcoBox;
public Mp4StblBox(Mp4TrackInfo trackInfo) {
this.mp4Type = EMp4Type.STBL;
this.stsdBox = new Mp4StsdBox(trackInfo);
this.sttsBox = new Mp4SttsBox();
this.stscBox = new Mp4StscBox();
this.stszBox = new Mp4StszBox();
this.stcoBox = new Mp4StcoBox();
}
@Override
public int byteArrayLength() {
return 8 + this.stsdBox.byteArrayLength() + this.sttsBox.byteArrayLength()
+ this.stscBox.byteArrayLength() + this.stszBox.byteArrayLength() + this.stcoBox.byteArrayLength();
}
@Override
public byte[] toByteArray() {
int size = this.byteArrayLength();
return ByteWriteBuff.newInstance(size)
.putInteger(size)
.putBytes(this.mp4Type.getByteArray())
.putBytes(this.stsdBox.toByteArray())
.putBytes(this.sttsBox.toByteArray())
.putBytes(this.stscBox.toByteArray())
.putBytes(this.stszBox.toByteArray())
.putBytes(this.stcoBox.toByteArray())
.getData();
}
}