`IS_CRHOME` WebRTC hacks

0.js

async renegotiate(msg) {
  if (IS_CHROME) {
    // While Firefox gladly reuses open media channels. Chrome doesn't want to.
    // So server counts amount of tracks are added,
    // and client creates that amount of new transceivers
    for (let i = 0; i < msg.newTracks; i++) {
      this.peer.addTransceiver('audio', {
        direction: "recvonly"
      });
    }
  }

  let size = msg.size + 1;

  if (this.peer.getTransceivers().length < size) {
    for (let i = 0; i < (size - this.peer.getTransceivers().length); i++) {
      this.peer.addTransceiver('audio', {
        direction: "recvonly"
      });
    }
  }

  await this.sendOffer();
}

1.js

async handleNewTrack(e) {
  if (IS_CHROME) {
    // If the stream is not added to an <audio> element
    // Chrome will not write any audio to the AudioContext.
    // So add the stream to a muted (and paused?) <audio> element
    const audio = new Audio();
    audio.muted = true;
    audio.srcObject = e.streams[0];
    this.audioElements.set(e.track.id, audio);
  }

  let node = new MediaStreamAudioSourceNode(this.audioContext, {mediaStream: e.streams[0]});
  node.connect(this.audioContext.destination);
  this.audioStreams.set(e.track.id, node);
}