com.github.xingshuangs.iot.protocol.rtp.model.payload.H264NaluFuA 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.rtp.model.payload;
import com.github.xingshuangs.iot.common.buff.ByteReadBuff;
import com.github.xingshuangs.iot.common.buff.ByteWriteBuff;
import lombok.Data;
import lombok.EqualsAndHashCode;
/**
* Nalu的FuA
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | FU indicator | FU header | |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
* | |
* | FU payload |
* | |
* | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | :...OPTIONAL RTP padding |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* @author xingshuang
*/
@Data
@EqualsAndHashCode(callSuper = true)
public class H264NaluFuA extends H264NaluBase {
/**
* Fu header.
*/
private H264NaluFuHeader fuHeader = new H264NaluFuHeader();
/**
* Payload.
*/
protected byte[] payload = new byte[0];
@Override
public int byteArrayLength() {
return this.header.byteArrayLength() + this.fuHeader.byteArrayLength() + this.payload.length;
}
@Override
public byte[] toByteArray() {
return ByteWriteBuff.newInstance(this.byteArrayLength())
.putBytes(this.header.toByteArray())
.putBytes(this.fuHeader.toByteArray())
.putBytes(this.payload)
.getData();
}
/**
* Parses byte array and converts it to object.
*
* @param data byte array
* @return RtcpHeader
*/
public static H264NaluFuA fromBytes(final byte[] data) {
return fromBytes(data, 0);
}
/**
* Parses byte array and converts it to object.
*
* @param data byte array
* @param offset index offset
* @return RtcpHeader
*/
public static H264NaluFuA fromBytes(final byte[] data, final int offset) {
if (data.length < 1) {
throw new IndexOutOfBoundsException("H264NaluSingle, data length < 1");
}
H264NaluFuA res = new H264NaluFuA();
int index = offset;
res.header = H264NaluHeader.fromBytes(data, index);
index += res.header.byteArrayLength();
res.fuHeader = H264NaluFuHeader.fromBytes(data, index);
index += res.fuHeader.byteArrayLength();
ByteReadBuff buff = new ByteReadBuff(data, index);
res.payload = buff.getBytes();
return res;
}
}