Function call

src/content/extensions/svc/js/main.js:182–228

()

}

async function call() {
  callButton.disabled = true;
  hangupButton.disabled = false;
  console.log('Starting call');
  startTime = window.performance.now();
  const videoTracks = localStream.getVideoTracks();
  const audioTracks = localStream.getAudioTracks();
  if (videoTracks.length > 0) {
    console.log(`Using video device: ${videoTracks[0].label}`);
  }
  if (audioTracks.length > 0) {
    console.log(`Using audio device: ${audioTracks[0].label}`);
  }
  const configuration = {};
  console.log('RTCPeerConnection configuration:', configuration);
  pc1 = new RTCPeerConnection(configuration);
  console.log('Created local peer connection object pc1');
  pc1.addEventListener('icecandidate', e => onIceCandidate(pc1, e));
  pc2 = new RTCPeerConnection(configuration);
  console.log('Created remote peer connection object pc2');
  pc2.addEventListener('icecandidate', e => onIceCandidate(pc2, e));
  pc2.addEventListener('track', gotRemoteStream);
  const mode = scalabilityMode.value;
  localStream.getTracks().forEach((track) =>{
    if (track.kind == 'video' && mode) {
      pc1.addTransceiver(track, {
        streams: [localStream],
        sendEncodings: [
          {scalabilityMode: mode}
        ]
      });
    } else {
      pc1.addTrack(track, localStream);
    }
  });
  console.log('Added local stream to pc1');
  codecPreferences.disabled = true;
  scalabilityMode.disabled = true;

  try {
    console.log('pc1 createOffer start');
    const offer = await pc1.createOffer(offerOptions);
    await onCreateOfferSuccess(offer);
  } catch (e) {
    onCreateSessionDescriptionError(e);
  }
}

function onCreateSessionDescriptionError(error) {
  console.log(`Failed to create session description: ${error.toString()}`);