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Demonstrate data streams #6

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Demonstrate data streams #6

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431f763
Add data streams example
ladvoc Apr 1, 2025
694e4f8
Register stream handler before connect
ladvoc Apr 5, 2025
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42 changes: 41 additions & 1 deletion LivekitUnitySampleApp/Assets/LivekitSamples.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
using LiveKit.Proto;
using UnityEngine.UI;
using RoomOptions = LiveKit.RoomOptions;
using StreamTextOptions = LiveKit.StreamTextOptions;
using System.Collections.Generic;
using Application = UnityEngine.Application;
using TMPro;
Expand Down Expand Up @@ -96,6 +97,7 @@ IEnumerator MakeCall()
var options = new RoomOptions();
var connect = room.Connect(url, token, options);
yield return connect;

if (!connect.IsError)
{
Debug.Log("Connected to " + room.Name);
Expand Down Expand Up @@ -309,7 +311,45 @@ public IEnumerator publishVideo()
public void publishData()
{
var str = "hello from unity!";
room.LocalParticipant.PublishData(System.Text.Encoding.Default.GetBytes(str));

// Option 1: Using data streams
StartCoroutine(PerformSendText(str));

// Option 2: Using publish data
// PerformPublishData(str);
}

private IEnumerator PerformSendText(string message)
{
var sendTextCall = room.LocalParticipant.SendText(message, "my-topic");
yield return sendTextCall;

if (sendTextCall.IsError)
{
Debug.LogError("Failed to send text: " + sendTextCall.Error);
yield break;
}
Debug.Log("Text sent successfully");
}

private void PerformPublishData(string message)
{
var enc = System.Text.Encoding.Default.GetBytes(message);
room.LocalParticipant.PublishData(enc);
}

private IEnumerator HandleTextStream(TextStreamReader reader, string identity)
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The following code seems to have been removed in the last commit and forgotten to be added before room.connect?

	room.RegisterTextStreamHandler("my-topic", (data, identity) =>
                StartCoroutine(HandleTextStream(data, identity))
            );

{
var readAllCall = reader.ReadAll();
yield return readAllCall;

if (readAllCall.IsError)
{
Debug.LogError("Failed to read stream: " + readAllCall.Error);
yield break;
}
var message = readAllCall.Text;
Debug.Log($"Received message from {identity}: {message}");
}

public IEnumerator OpenCamera()
Expand Down