Mediasite.namespace("MediaPlayer"),Mediasite.namespace("MediaPlayer.Views"),Mediasite.MediaPlayer.ModelHtml5Ramp=function(n){function shouldEnableHLSjsLogging(){return Mediasite.GetQueryParam("logHLSjs",Mediasite.GetQueryParam.AsBool)}function makeReceiverLogic(){var t=new RampReceiverLogic;return t.logger=r,t.receiverAddress=n.selectedVideoSource.MulticastReceiverUrl,t.receiverKeyStore=n.selectedVideoSource.MulticastReceiverKeyStore,t.multicastIP=n.selectedVideoSource.MulticastAddress,t.multicastPort=n.selectedVideoSource.MulticastPort,t.diagnosticsAddress=n.selectedVideoSource.MulticastDiagnosticsServer,t.readyDelegate=function(t){setVideoSourceParam(u,t,n.selectedVideoSource.MimeType)},t.receiverCommErrorDelegate=function(){onMulticastLoadFailure(Mediasite.Player.Localization.MediaPlayer.MulticastReceiverCommunicationError)},t.progressErrorDelegate=function(){onMulticastLoadFailure(Mediasite.Player.Localization.MediaPlayer.MulticastProgressError)},t}function onMulticastLoadFailure(i){n.selectedVideoSource.MulticastOnly?t.raiseMediaError(i):(r.Info("Failing over to unicast HLS."),setVideoSourceParam(u,n.selectedVideoSource.Location,n.selectedVideoSource.MimeType))}function getCurrentBitrate(){var n=u.get(0);return n&&n.paused?0:!i||!i.levels||i.levels.length!==1?0:i.levels[0].realBitrate}function isNewBitrate(n){return Math.abs(n-o)>o*a}function reportBitrate(n){o=n,t.updateBitrate(n),r.Info("Media quality changed. -- bitrate: "+n)}function pollForBitrateChange(){var n;clearTimeout(s),s=setTimeout(pollForBitrateChange,l),n=getCurrentBitrate(),isNewBitrate(n)&&reportBitrate(n)}function setVideoSourceParam(n,t){var u=n.get(0);i&&i.destroy(),i=new Hls({debug:shouldEnableHLSjsLogging()}),e.attach(i),pollForBitrateChange(),i.attachMedia(u),i.loadSource(t)}function RampReceiverLogic(){function getMulticastAddress(){return n.multicastIP+":"+n.multicastPort+"/16"}function getAddressKey(){return n.multicastIP+"~"+n.multicastPort+"~~"}function getStartUrl(){return n.receiverAddress+"rme/start"}function getStatusUrl(){return n.receiverAddress+"rme/status?maddr="+getMulticastAddress()+"&_="+ +new Date}function initReceiver(){t||$.ajax({url:getStartUrl(),type:"POST",data:JSON.stringify({bufferMs:"1000",nativeMode:"false",senderSubjectDNSuffix:"",maddr:getMulticastAddress(),diagnosticsServer:n.diagnosticsAddress,diagnosticsIntervalMs:"15000",dvrDurationMs:"900000",dontOutputDiscontinuitySequence:"false",resetDvrOnStreamSwap:"dash",receiverKeyStore:n.receiverKeyStore}),success:function(){t||(n.logger.Info("Ramp Receiver start request was successful."),checkStatus())},error:function(){t||(i+=1,i<p?(n.logger.Info("Ramp Receiver start request failed "+i+" times."),initReceiver()):(n.logger.Error("Ramp Receiver failed to start."),n.receiverCommErrorDelegate()))}})}function checkStatus(){if(!t){var i=getAddressKey();$.ajax({url:getStatusUrl(),type:"GET",success:function(t){var f=t&&t.addresses&&t.addresses[i]||{};n.logger.Debug("Ramp Receiver Status  ^_^  segments: "+f.segmentsInPlaylist+"; packets: "+f.totalPacketsReceived+"; bytes: "+f.totalBytesReceived),f.readyForPlayer?(n.logger.Info("Receiver is ready for player. Attempting to load multicast media source: "+f.hlsMulticastUrl),resetProgressTracking(),scheduleReceiverKeepAlive(),n.readyDelegate(f.hlsMulticastUrl)):showsEnoughProgress(f.totalPacketsReceived,f.segmentsInPlaylist)?s=window.setTimeout(checkStatus,c):(n.logger.Error("The Ramp receiver did not receive enough media data."),n.progressErrorDelegate())},error:function(){n.logger.Error("Error communicating with the Ramp receiver."),n.receiverCommErrorDelegate()}})}}function endStartupStatusPolling(){window.clearTimeout(s)}function doReceiverKeepAliveRequest(n){t||$.ajax({url:getStatusUrl(),type:"GET",complete:function(){n()}})}function scheduleReceiverKeepAlive(){h=window.setTimeout(function(){doReceiverKeepAliveRequest(scheduleReceiverKeepAlive)},l)}function endReceiverKeepAlive(){window.clearTimeout(h)}function showsEnoughProgress(n,t){var i=+new Date,s,h;return(n>e&&(u=i,e=n),t>o&&(f=i,o=t),s=i-u,h=i-f,s>v)?(r.Info("Not enough packet progress."),!1):h>a&&!isWithinLiveStartSegmentGrace()?(r.Info("Not enough segment progress."),!1):!0}function resetProgressTracking(){u=+new Date,f=+new Date,e=-1,o=-1}function isWithinLiveStartSegmentGrace(){var t=new Date-n.liveStartTime;return t<y}function makeNullLogger(){function noop(){}return{Debug:noop,Info:noop,Warning:noop,Error:noop,Critical:noop}}var n=this,c=.5*1e3,l=2e4,a=2e4,v=1e4,y=6e4,p=3,i=0,u=+new Date,f=+new Date,e=-1,o=-1,s,h,t=!1;this.logger=makeNullLogger(),this.liveStartTime=0,this.receiverAddress="",this.receiverKeyStore="",this.multicastIP="",this.multicastPort="",this.diagnosticsAddress="",this.readyDelegate=function(){},this.receiverCommErrorDelegate=function(){},this.progressErrorDelegate=function(){},this.start=function(){t=!1,initReceiver()},this.stop=function(){t=!0,endStartupStatusPolling(),endReceiverKeepAlive()}}var c=15e3,t=new Mediasite.MediaPlayer.ModelHtml5(n),u,i,f,e,s,o=-1,l=1e3,a=.05,v=0,r=Mediasite.Logging.LoggerFactory("Media Ramp HLS:"+n.streamType,{separator:"\n"}),h;return e=new Mediasite.MediaPlayer.HlsJsErrorLogic(r),e.raiseErrorDelegate=function(n){t.raiseMediaError(n)},t.setVideoElementSourceFunction=function(n){u=n,f&&f.stop(),f=makeReceiverLogic(),f.start()},h=t.SetLiveStartTime,t.SetLiveStartTime=function(n){v=n,h.call(t,n)},t.trustLiveVideoElementPosition=!1,t.liveStartUnsafeWindow=c,t.Stop=function(){var n=u.get(0);n.pause(),t.reportStateChanged(Mediasite.Player.MediaState.Stopped)},t.Pause=t.Stop,t.FinalizeLive=function(){t.Stop(),i&&i.destroy()},t}