package cn.org.hentai.jtt1078.test;
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import cn.org.hentai.jtt1078.util.ByteUtils;
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import cn.org.hentai.jtt1078.util.Packet;
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import java.io.DataInputStream;
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import java.io.FileInputStream;
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/**
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* Created by matrixy on 2020/3/19.
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*/
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public class FuckTest
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{
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public static void main(String[] args) throws Exception
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{
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String line;
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DataInputStream dis = new DataInputStream(new FileInputStream("d:\\temp\\rtp.txt"));
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while ((line = dis.readLine()) != null)
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{
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byte[] rtp = ByteUtils.parse(line);
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Packet packet = Packet.create(rtp);
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int lengthOffset = 28;
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int dataType = (packet.seek(15).nextByte() >> 4) & 0x0f;
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int pkType = packet.seek(15).nextByte() & 0x0f;
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// 透传数据类型：0100，没有后面的时间以及Last I Frame Interval和Last Frame Interval字段
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if (dataType == 0x04) lengthOffset = 28 - 8 - 2 - 2;
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else if (dataType == 0x03) lengthOffset = 28 - 4;
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if (dataType <= 0x02)
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{
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if (dataType == 0x00) System.out.println("I Frame---------------------------------");
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if (dataType == 0x01) System.out.println("P Frame");
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if (dataType == 0x02) System.out.println("B Frame");
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}
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}
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}
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}
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