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dart_rtc_client

Dart WebRTC client library and api

Do note that this library is in no way stable at the moment.
Things will go bang! and also Here be dragons!

Sample

import 'dart:html';
import 'package:dart_rtc_client/rtc_client.dart';
 
const int RECONNECT_MS = 10000;
const String MYCHANNEL = "abc";
const String CONNECTION_STRING = "ws://127.0.0.1:8234/ws";
 
/**
 * WebRTC video "conference" sample
 */
void main() {
 
  /**
   * DataSource connects to the signaling server
   */
  DataSource src = new WebSocketDataSource(CONNECTION_STRING);
 
  /**
   * ChannelClient accepts on parameter, which is the data source.
   */
  ChannelClient client = new ChannelClient(src)
  //.setChannel(MYCHANNEL) // Setting channel here sets the client to join the channel on connect
  .setRequireAudio(true) // Microphone required
  .setRequireVideo(true) // Webcam or some other video source required
  .setRequireDataChannel(false) // Set true if you want to send data over data channels
  .setAutoCreatePeer(true); // If true, creates peerconnection automicly when joining a channel
 
  /**
   * Client sets states, in this callback you can track the state changes
   * and do actions when required
   */
  client.onInitializationStateChangeEvent.listen((InitializationStateEvent e) {
    if (e.state == InitializationState.LOCAL_READY) {
      // Client has initialized local, not connected to the signaling server yet.
    }
 
    if (e.state == InitializationState.MEDIA_READY) {
      // Your local video stream is ready
    }
 
    if (e.state == InitializationState.REMOTE_READY) {
      // If you did not use .setChannel above, this is where you can join channel (Or later on if you so wish)
      client.joinChannel(MYCHANNEL);
    }
 
    if (e.state == InitializationState.CHANNEL_READY) {
      // Channel has been joined.
      // Setting channel limit to 2, which means that only 2 persons are able to join the channel.
      client.setChannelLimit(2);
    }
  });
 
  /**
   * Client has connected to the server
   */
  client.onSignalingOpenEvent.listen((SignalingOpenEvent e) {
 
  });
 
  /**
   * MediaStream available events
   * Event name subject to change to onMediaStreamAvailableEvent
   * since this carries also local media stream event
   */
  client.onRemoteMediaStreamAvailableEvent.listen((MediaStreamAvailableEvent e) {
    // Event contains a reference to PeerWrapper (e.peerWrapper) which has an id property
    // Usefull for tracking created video elements for example.
    // set the video element id to peerwrapper id.
 
    if (e.isLocal) {
      LocalMediaStream localStream = e.stream;
      // Do what is needed with your local media stream
      // someVideoElement.src = Url.createObjectUrl(localStream);
      // someVideoElement.play();
    } else {
      MediaStream remoteStream = e.stream;
      // Do what is needed with your local media stream
      // someOtherVideoElement.src = Url.createObjectUrl(remoteStream);
      // someOtherVideoElement.play();
    }
  });
 
  /**
   * MediaStream removed events
   */
  client.onRemoteMediaStreamRemovedEvent.listen((MediaStreamRemovedEvent e) {
    // Remove the video element created earlier
    // If you used the e.peerWrapper.id as an id to the video element
    // you can use that again to find the element and remove it.
  });
 
  /**
   * Callback for when you loose connection to the server
   */
  client.onSignalingCloseEvent.listen((SignalingCloseEvent e) {
    window.setTimeout(() {
      client.initialize();
    }, RECONNECT_MS);
  });
 
  client.initialize();
}

Build Status

githalytics.com alpha

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