INNER CODE UNIT · JavaScript

shimAddTrackRemoveTrack

ossrs/flutter_live · lib/h5/js/adapter-7.4.0.js:682

function shimAddTrackRemoveTrack(window) {
  if (!window.RTCPeerConnection) {
    return;
  }
  var browserDetails = utils.detectBrowser(window);
  // shim addTrack and removeTrack.
  if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {
    return shimAddTrackRemoveTrackWithNative(window);
  }

  // also shim pc.getLocalStreams when addTrack is shimmed
  // to return the original streams.
  var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;
  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
    var _this11 = this;

    var nativeStreams = origGetLocalStreams.apply(this);
    this._reverseStreams = this._reverseStreams || {};

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