Extension for AVPlayerItemAccessLogEvent Description Printing

AVPlayerItemAccessLogEvent+Extensions.swift

extension AVPlayerItemAccessLogEvent {

    func printDescription() {
        var output =  [String: AnyObject]()
        output["numberOfMediaRequests"] = numberOfMediaRequests
        output["playbackStartDate"] = playbackStartDate?.description ?? ""
        output["URI"] = URI ?? ""
        output["serverAddress"] = serverAddress ?? ""
        output["numberOfServerAddressChanges"] = numberOfServerAddressChanges
        output["playbackSessionID"] = playbackSessionID ?? ""
        output["playbackStartOffset"] = playbackStartOffset
        output["segmentsDownloadedDuration"] = segmentsDownloadedDuration
        output["durationWatched"] = durationWatched
        output["numberOfStalls"] = numberOfStalls
        output["numberOfBytesTransferred"] = Int(numberOfBytesTransferred)
        output["transferDuration"] = transferDuration
        output["observedBitrate"] = observedBitrate
        output["indicatedBitrate"] = indicatedBitrate
        output["numberOfDroppedVideoFrames"] = numberOfDroppedVideoFrames
        output["startupTime"] = startupTime
        output["downloadOverdue"] = downloadOverdue
        output["observedMaxBitrate"] = observedMaxBitrate
        output["observedMinBitrate"] = observedMinBitrate
        output["observedBitrateStandardDeviation"] = observedBitrateStandardDeviation
        output["playbackType"] = playbackType
        output["mediaRequestsWWAN"] = mediaRequestsWWAN
        output["switchBitrate"] = switchBitrate
        print("Access Log: \(output)")
    }
}