Websocket Player by jamestel - 1


Websocket and web server Unity plugin for the implementation of local web players.

Unity 2017.4.11f1GNU General Public License v3.0Updated 190 days agoCreated on February 9th, 2019
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WebsocketPlayer is a Unity plugin designed to expose cameras and internal C# functions via both HTTP and Websockets, perfect for the creation of web based local Unity client(s).


  • Subsecond video streaming
  • Multiple cameras supported
  • Per camera quality, resolution and FPS controls
  • Realtime camera FPS counter
  • Extendable HTTP router class
  • HTML demo with router example
  • Windows, Mac, Linux support (Mono)



WebsocketPlayer requires the System.Drawing library, but Unity by default does not support it.


You can manually copy the library to Assets/Packages from the above path so your project can reference it.

Windows Specific

You can use the included NuGet package config or the following command.

Install-Package WebSocketSharp-netstandard -Version 1.0.1

Remove the .NET versions that you do not wish to target, check your Unity Mono Api Compatibility Level in PlayerSettings/Configuration.


Quick Start

Simply import the latest version from releases and place the WebsocketPlayerController prefrab into your project.

Add the WebsocketCamera to any camera object that you wish to be accessible via websocket.

Press play.

WebsocketPlayerController Prefab


By default, the WebPlayerTemplates directory is used as the web server root. This Unity designated folder ignores HTML/JS specifically for web use.


Router.cs derives in the Example Scene included in the plugin. For future updates it is best to not directly edit this, but rather recreate the router outside of the example.

Functions and inline code executed by a web route will exist in the web server thread. The Unity API is not thread-safe, thus API calls will display in the console as an error. There are multiple solutions, such as using instances defined from Start(), dispatched IEnumerator functions and using nonserialized variables.

using System.Text;
using WebSocketSharp;
using WebSocketSharp.Net;
using Jamestel.WebsocketPlayer.WebServer;

public class Routes 
    Router.WebRoutes.Add(new WebRoute(
        "GET",                // Type of request, GET or POST supported
        "/test/helloworld",   // Path to the function ex: http://localhost/test/helloworld
        FunctionToExecute     // Function to be executed, lambda syntax also supported
    // WebSocketSharp listener & request are expected arguments
    void FunctionToExecute(HttpListenerRequest request, HttpListenerResponse response)
        string content = "Hello World";

        // Define content type as HTML and encoding UTF-8
        response.ContentType = "text/html";
        response.ContentEncoding = Encoding.UTF8;

        // Write response, get bytes of string for final byte array

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