[游戏开发]unity 之同一局域网内视频帧同步

我之前用的方法基本上是VideoPlayer里面的frame做同步，说实话用frame这个变量作帧同步是有些卡的，现在用VideoPlayer里面的time这个变量作同步，这个变量可赋值可获取，很方便，个人感觉比frame卡得好一点，

废话不多说，上代码，

Client

using UnityEngine;
using UnityEngine.Video;

public class ClientControl : MonoBehaviour
{
    public VideoPlayer videoPlayer;
    private double timer = 0;
    void Start()
    {
        UdpManager.InitializeUdpClient();

    }
    void Update()
    {
        if (UdpManager.m_receivedMessage != null)
        {
            string[] msgArr = UdpManager.m_receivedMessage.Split('+');
            if (msgArr.Length > 1)
            {
                switch (msgArr[0])
                {
                    case "时间":
                        timer = double.Parse(msgArr[1]);
                        if (timer != 0)
                        {
                            videoPlayer.time = timer + 0.01;//加上传输信号的时间误差                          
                            timer = 0;
                        }
                        break;
                }
            }
            UdpManager.m_receivedMessage = null;
        }
    }
    private void OnDestroy()
    {
        UdpManager.Close();
    }

}

Server

using UnityEngine;
using UnityEngine.Video;
public class ServerControl : MonoBehaviour
{
    public VideoPlayer player;
    private double timer = 0;
    void Start()
    {
        timer = 0;
    }
    void Update()
    {
        timer += Time.deltaTime;
        if (timer > 2)
        {
            timer = 0;
            UdpManager.SendMessage("时间+" + player.time);           
        }
    }
    

}

最后一个简单粗暴的UdpManager

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using UnityEngine;
using UnityEngine.Video;

public class UdpManager
{
    public static  string m_receivedMessage;
    static IPEndPoint m_IPEndPoint;
    static UdpClient m_udpClient;
    public static void InitializeUdpClient()
    {
        m_IPEndPoint = new IPEndPoint(IPAddress.Any, 1118);
        m_udpClient = new UdpClient(m_IPEndPoint);
        UdpModel s = new UdpModel(m_udpClient, m_IPEndPoint);
        m_udpClient.BeginReceive(EndReceive, s);
    }
    private static void EndReceive(IAsyncResult ar)
    {
        try
        {
            UdpModel m_UdpModel = ar.AsyncState as UdpModel;
            if (m_UdpModel != null)
            {
                UdpClient udpClient = m_UdpModel.m_udpclient;
                IPEndPoint ip = m_UdpModel.m_ip;
                Byte[] receiveBytes = udpClient.EndReceive(ar, ref ip);
                string msg = Encoding.UTF8.GetString(receiveBytes);
                m_receivedMessage = msg;
                udpClient.BeginReceive(EndReceive, m_UdpModel);

            }
        }
        catch (Exception ex)
        {
            //处理异常
        }
    }
    private class UdpModel
    {
        public  UdpClient m_udpclient = null;
        public  IPEndPoint m_ip;
        public UdpModel(UdpClient udpclient, IPEndPoint ip)
        {
            this.m_udpclient = udpclient;
            this.m_ip = ip;
        }
    }

    public static void Close()
    {
        if (m_udpClient != null)
        {
            m_udpClient.Close();
            m_udpClient = null;
        }   
    }


    /// <summary>
    /// 发送数据
    /// </summary>
    /// <param name="obj"></param>
    public static void SendMessage(string message) 
    {
        UdpClient myUdpClient = new UdpClient();
        IPEndPoint endpoint;
        myUdpClient = new UdpClient(new IPEndPoint(IPAddress.Any, 8800));
        endpoint = new IPEndPoint(IPAddress.Parse("255.255.255.255"), 1118);

        byte[] bytes = Encoding.UTF8.GetBytes(message);
        try
        {
            myUdpClient.Send(bytes, bytes.Length, endpoint);
            myUdpClient.Close();
        }
        catch (Exception err)
        {
            Console.Write(err.Message, "发送失败");
        }
        finally
        {
            myUdpClient.Close();
        }
    }
}