[Webkit-unassigned] [Bug 203815] Changing Camera on mobile devices are causing crashes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=203815

--- Comment #4 from aman.khangura at kp.org ---
pexrtc.js
PexRTCCall.prototype.update = function(call_type) {
    var self = this;

    if (self.state == 'CONNECTED') {
        self.state = 'UPDATING';
        self.cleanupAudioContext();
        if (self.safari_ver >= 11 && self.safari_ver < 12.1 && self.stream) {
            var tracks = self.stream.getTracks();
            for (var i=0; i<tracks.length; i++) {
                tracks[i].stop();
                self.stream.removeTrack(tracks[i]);
            }
        }

        if (self.localStream) {
            var tracks = self.localStream.getTracks();
            for (var i=0;i<tracks.length;i++) {
                tracks[i].stop();
                self.localStream.removeTrack(tracks[i]);
            }
            self.localStream = undefined;
            if (self.firefox_ver > 47 || (self.safari_ver >= 11 && self.safari_ver < 12.1) || self.chrome_ver > 71) {
                var senders = self.pc.getSenders();
                for (var i=0; i<senders.length; i++) {
                    self.pc.removeTrack(senders[i]);
                }
            } else if (self.safari_ver == 0) {
                var streams = self.pc.getLocalStreams();
                for (var i=0; i<streams.length; i++) {
                    self.pc.removeStream(streams[i]);
                }
            }
        }

        self.makeCall(self.parent, call_type);
    }
};

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