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OSC Jack

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OSC Jack is a lightweight C# implementation of OSC (Open Sound Control) server/client, mainly aiming to provide OSC support to Unity.

System Requirements

OSC Jack requires System.Net.Sockets supported on most platforms but a few network-restrictive platforms like WebGL.

How To Install

This package is available in the Keijiro scoped registry.

Please follow this gist to add the registry to your project.

OSC Connection File

OSC Connection

The OSC Jack components require OSC Connection files to specify connection types, host addresses and port numbers. To create a new OSC Connection file, navigate to Assets > Create > ScriptableObjects > OSC Jack > Connection.

You must specify a target host address to send OSC messages (leave it empty for receive-only connections).

OSC Components

OSC Event Receiver

Event Receiver

OSC Event Receiver receives OSC messages and invokes a UnityEvent with received data.

OSC Property Sender

Property Sender

OSC Property Sender observes a component property and sends OSC messages on changes to it.

OSC Monitor

OSC Monitor

OSC Monitor is a small utility inspecting incoming OSC messages. To open the monitor, navigate to Window > OSC Monitor.

Low-Level API

Supported data types

At the moment, the OSC Jack low-level API only supports int, float and string data types.

OscClient (implements IDisposable)

OscClient is a class for sending OSC messages, supporting up to four arguments within a single message.

// IP address, port number
using (var client = new OscClient("127.0.0.1", 9000))
{
  // Send two-component float values ten times.
  for (var i = 0; i < 10; i++)
  {
    yield return new WaitForSeconds(0.5f);
    client.Send("/test",       // OSC address
                i * 10.0f,     // First element
                Random.value); // Second element
  }
}

OscServer (implements IDisposable)

OscServer is a class for receiving OSC messages, supporting up to four arguments within a single message.

You can add a delegate to MessageDispatcher to receive messages sent to a specific OSC address (or give an empty string to receive all messages).

Please note that the server invokes the delegates in the server thread. You may have to queue the events for processing them in the main thread.

using (var server = new OscServer(9000)) // Port number
{
  server.MessageDispatcher.AddCallback(
    "/test", // OSC address
    (string address, OscDataHandle data) => {
        Debug.Log(string.Format("({0}, {1})",
            data.GetElementAsFloat(0),
            data.GetElementAsFloat(1)));
    }
  );
  yield return new WaitForSeconds(10);
}