hls-demo.js.map

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time: performance.now() - events.t0,\n        type: 'Media attached'\n      });\n    });\n\n    hls.on(Hls.Events.MEDIA_DETACHED, function() {\n      $('#HlsStatus').text('MediaSource detached...');\n      bufferingIdx = -1;\n      tracks = [];\n      events.video.push({\n        time: performance.now() - events.t0,\n        type: 'Media detached'\n      });\n    });\n\n    hls.on(Hls.Events.FRAG_PARSING_INIT_SEGMENT, function(event, data) {\n      showCanvas();\n      var event = {\n        time: performance.now() - events.t0,\n        type: data.id + ' init segment'\n      };\n      events.video.push(event);\n    });\n\n    hls.on(Hls.Events.FRAG_PARSING_METADATA, function(event, data) {\n      //console.log(\"Id3 samples \", data.samples);\n    });\n\n    hls.on(Hls.Events.LEVEL_SWITCHING, function(event, data) {\n      events.level.push({\n        time   : performance.now() - events.t0,\n        id     : data.level,\n        bitrate: Math.round(hls.levels[data.level].bitrate/1000)\n      });\n      updateLevelInfo();\n    });\n\n    hls.on(Hls.Events.MANIFEST_PARSED, function(event, data) {\n      var event = {\n        type    : 'manifest',\n        name    : '',\n        start   : 0,\n        end     : data.levels.length,\n        time    : data.stats.trequest - events.t0,\n        latency : data.stats.tfirst - data.stats.trequest,\n        load    : data.stats.tload - data.stats.tfirst,\n        duration: data.stats.tload - data.stats.tfirst,\n      };\n      events.load.push(event);\n      refreshCanvas();\n    });\n\n    hls.on(Hls.Events.MANIFEST_PARSED, function(event, data) {\n      $('#HlsStatus').text('manifest successfully loaded,' + hls.levels.length + ' levels found');\n      stats = {\n        levelNb    : data.levels.length,\n        levelParsed: 0\n      };\n      updateLevelInfo();\n    });\n\n    hls.on(Hls.Events.AUDIO_TRACKS_UPDATED, function(event, data) {\n      $('#HlsStatus').text(data.audioTracks.length + ' audio tracks found');\n      updateAudioTrackInfo();\n    });\n\n    hls.on(Hls.Events.AUDIO_TRACK_SWITCHING, function(event, data) {\n      updateAudioTrackInfo();\n      var event = {\n        time: performance.now() - events.t0,\n        type: 'audio switching',\n        name: '@' + data.id\n      };\n      events.video.push(event);\n      lastAudioTrackSwitchingIdx = events.video.length-1;\n    });\n\n    hls.on(Hls.Events.AUDIO_TRACK_SWITCHED, function(event, data) {\n      updateAudioTrackInfo();\n      var event = {\n        time: performance.now() - events.t0,\n        type: 'audio switched',\n        name: '@' + data.id\n      };\n      if (lastAudioTrackSwitchingIdx !== undefined) {\n        events.video[lastAudioTrackSwitchingIdx].duration = event.time - events.video[lastAudioTrackSwitchingIdx].time;\n        lastAudioTrackSwitchingIdx = undefined;\n      }\n      events.video.push(event);\n    });\n\n    hls.on(Hls.Events.LEVEL_LOADED, function(event, data) {\n      events.isLive = data.details.live;\n      var event = {\n        type    : 'level',\n        id      : data.level,\n        start   : data.details.startSN,\n        end     : data.details.endSN,\n        time    : data.stats.trequest - events.t0,\n        latency : data.stats.tfirst - data.stats.trequest,\n        load    : data.stats.tload - data.stats.tfirst,\n        parsing : data.stats.tparsed - data.stats.tload,\n        duration: data.stats.tload - data.stats.tfirst\n      };\n      const parsingDuration = data.stats.tparsed - data.stats.tload;\n      if (stats.levelParsed)\n      {this.sumLevelParsingMs += parsingDuration;}\n      else\n      {this.sumLevelParsingMs = parsingDuration;}\n\n      stats.levelParsed++;\n      stats.levelParsingUs = Math.round(1000*this.sumLevelParsingMs / stats.levelParsed);\n      console.log('parsing level duration :' + stats.levelParsingUs + 'us,count:' + stats.levelParsed);\n      events.load.push(event);\n      refreshCanvas();\n    });\n\n    hls.on(Hls.Events.AUDIO_TRACK_LOADED, function(event, data) {\n      events.isLive = data.details.live;\n      var event = {\n        type    : 'audio track',\n        id      : data.id,\n        start   : data.details.startSN,\n        end     : data.details.endSN,\n        time    : data.stats.trequest - events.t0,\n        latency : data.stats.tfirst - data.stats.trequest,\n        load    : data.stats.tload - data.stats.tfirst,\n        parsing : data.stats.tparsed - data.stats.tload,\n        duration: data.stats.tload - data.stats.tfirst\n      };\n      events.load.push(event);\n      refreshCanvas();\n    });\n\n    hls.on(Hls.Events.FRAG_BUFFERED, function(event, data) {\n      var event = {\n        type    : data.frag.type + ' fragment',\n        id      : data.frag.level,\n        id2     : data.frag.sn,\n        time    : data.stats.trequest - events.t0,\n        latency : data.stats.tfirst - data.stats.trequest,\n        load    : data.stats.tload - data.stats.tfirst,\n        parsing : data.stats.tparsed - data.stats.tload,\n        buffer  : data.stats.tbuffered - data.stats.tparsed,\n        duration: data.stats.tbuffered - data.stats.tfirst,\n        bw      : Math.round(8*data.stats.total/(data.stats.tbuffered - data.stats.trequest)),\n        size    : data.stats.total\n      };\n      events.load.push(event);\n      events.bitrate.push({\n        time    : performance.now() - events.t0,\n        bitrate : event.bw,\n        duration: data.frag.duration,\n        level   : event.id\n      });\n      if(hls.bufferTimer === undefined) {\n        events.buffer.push({\n          time  : 0,\n          buffer: 0,\n          pos   : 0\n        });\n        hls.bufferTimer = window.setInterval(checkBuffer, 100);\n      }\n      refreshCanvas();\n      updateLevelInfo();\n\n      let latency = data.stats.tfirst - data.stats.trequest,\n        parsing = data.stats.tparsed - data.stats.tload,\n        process = data.stats.tbuffered - data.stats.trequest,\n        bitrate = Math.round(8 * data.stats.length / (data.stats.tbuffered - data.stats.tfirst));\n      if (stats.fragBuffered) {\n        stats.fragMinLatency = Math.min(stats.fragMinLatency, latency);\n        stats.fragMaxLatency = Math.max(stats.fragMaxLatency, latency);\n        stats.fragMinProcess = Math.min(stats.fragMinProcess, process);\n        stats.fragMaxProcess = Math.max(stats.fragMaxProcess, process);\n        stats.fragMinKbps = Math.min(stats.fragMinKbps, bitrate);\n        stats.fragMaxKbps = Math.max(stats.fragMaxKbps, bitrate);\n        stats.autoLevelCappingMin = Math.min(stats.autoLevelCappingMin, hls.autoLevelCapping);\n        stats.autoLevelCappingMax = Math.max(stats.autoLevelCappingMax, hls.autoLevelCapping);\n        stats.fragBuffered++;\n      } else {\n        stats.fragMinLatency = stats.fragMaxLatency = latency;\n        stats.fragMinProcess = stats.fragMaxProcess = process;\n        stats.fragMinKbps = stats.fragMaxKbps = bitrate;\n        stats.fragBuffered = 1;\n        stats.fragBufferedBytes = 0;\n        stats.autoLevelCappingMin = stats.autoLevelCappingMax = hls.autoLevelCapping;\n        this.sumLatency = 0;\n        this.sumKbps = 0;\n        this.sumProcess = 0;\n        this.sumParsing = 0;\n      }\n      stats.fraglastLatency = latency;\n      this.sumLatency += latency;\n      stats.fragAvgLatency = Math.round(this.sumLatency / stats.fragBuffered);\n      stats.fragLastProcess = process;\n      this.sumProcess += process;\n      this.sumParsing += parsing;\n      stats.fragAvgProcess = Math.round(this.sumProcess / stats.fragBuffered);\n      stats.fragLastKbps = bitrate;\n      this.sumKbps += bitrate;\n      stats.fragAvgKbps = Math.round(this.sumKbps / stats.fragBuffered);\n      stats.fragBufferedBytes += data.stats.total;\n      stats.fragparsingKbps = Math.round(8*stats.fragBufferedBytes / this.sumParsing);\n      stats.fragparsingMs = Math.round(this.sumParsing);\n      stats.autoLevelCappingLast = hls.autoLevelCapping;\n    });\n\n    hls.on(Hls.Events.LEVEL_SWITCHED, function(event, data) {\n      var event = {\n        time: performance.now() - events.t0,\n        type: 'level switched',\n        name: data.level\n      };\n      events.video.push(event);\n      refreshCanvas();\n      updateLevelInfo();\n    });\n\n    hls.on(Hls.Events.FRAG_CHANGED, function(event, data) {\n      var event = {\n        time: performance.now() - events.t0,\n        type: 'frag changed',\n        name: data.frag.sn + ' @ ' + data.frag.level\n      };\n      events.video.push(event);\n      refreshCanvas();\n      updateLevelInfo();\n      stats.tagList = data.frag.tagList;\n\n      let level = data.frag.level, autoLevel = data.frag.autoLevel;\n      if (stats.levelStart === undefined)\n      {stats.levelStart = level;}\n\n      if (autoLevel) {\n        if (stats.fragChangedAuto) {\n          stats.autoLevelMin = Math.min(stats.autoLevelMin, level);\n          stats.autoLevelMax = Math.max(stats.autoLevelMax, level);\n          stats.fragChangedAuto++;\n          if (this.levelLastAuto && level !== stats.autoLevelLast)\n          {stats.autoLevelSwitch++;}\n\n        } else {\n          stats.autoLevelMin = stats.autoLevelMax = level;\n          stats.autoLevelSwitch = 0;\n          stats.fragChangedAuto = 1;\n          this.sumAutoLevel = 0;\n        }\n        this.sumAutoLevel += level;\n        stats.autoLevelAvg = Math.round(1000 * this.sumAutoLevel / stats.fragChangedAuto) / 1000;\n        stats.autoLevelLast = level;\n      } else {\n        if (stats.fragChangedManual) {\n          stats.manualLevelMin = Math.min(stats.manualLevelMin, level);\n          stats.manualLevelMax = Math.max(stats.manualLevelMax, level);\n          stats.fragChangedManual++;\n          if (!this.levelLastAuto && level !== stats.manualLevelLast)\n          {stats.manualLevelSwitch++;}\n\n        } else {\n          stats.manualLevelMin = stats.manualLevelMax = level;\n          stats.manualLevelSwitch = 0;\n          stats.fragChangedManual = 1;\n        }\n        stats.manualLevelLast = level;\n      }\n      this.levelLastAuto = autoLevel;\n    });\n\n    hls.on(Hls.Events.FRAG_LOAD_EMERGENCY_ABORTED, function(event, data) {\n      if (stats) {\n        if (stats.fragLoadEmergencyAborted === undefined)\n        {stats.fragLoadEmergencyAborted = 1;}\n        else\n        {stats.fragLoadEmergencyAborted++;}\n\n      }\n    });\n\n    hls.on(Hls.Events.FRAG_DECRYPTED, function(event, data) {\n      if (!stats.fragDecrypted) {\n        stats.fragDecrypted = 0;\n        this.totalDecryptTime = 0;\n        stats.fragAvgDecryptTime = 0;\n      }\n      stats.fragDecrypted++;\n      this.totalDecryptTime += data.stats.tdecrypt - data.stats.tstart;\n      stats.fragAvgDecryptTime = this.totalDecryptTime / stats.fragDecrypted;\n    });\n\n    hls.on(Hls.Events.ERROR, function(event, data) {\n      console.warn(data);\n      switch(data.details) {\n        case Hls.ErrorDetails.MANIFEST_LOAD_ERROR:\n          try {\n            $('#HlsStatus').html('cannot Load <a href=\"' + data.context.url + '\">' + url + '</a><br>HTTP response code:' + data.response.code + ' <br>' + data.response.text);\n            if(data.response.code === 0)\n            {$('#HlsStatus').append('this might be a CORS issue, consider installing <a href=\"https://chrome.google.com/webstore/detail/allow-control-allow-origi/nlfbmbojpeacfghkpbjhddihlkkiljbi\">Allow-Control-Allow-Origin</a> Chrome Extension');}\n\n          } catch(err) {\n            $('#HlsStatus').html('cannot Load <a href=\"' + data.context.url + '\">' + url + '</a><br>Reason:Load ' + data.response.text);\n          }\n          break;\n        case Hls.ErrorDetails.MANIFEST_LOAD_TIMEOUT:\n          $('#HlsStatus').text('timeout while loading manifest');\n          break;\n        case Hls.ErrorDetails.MANIFEST_PARSING_ERROR:\n          $('#HlsStatus').text('error while parsing manifest:' + data.reason);\n          break;\n        case Hls.ErrorDetails.LEVEL_LOAD_ERROR:\n          $('#HlsStatus').text('error while loading level playlist');\n          break;\n        case Hls.ErrorDetails.LEVEL_LOAD_TIMEOUT:\n          $('#HlsStatus').text('timeout while loading level playlist');\n          break;\n        case Hls.ErrorDetails.LEVEL_SWITCH_ERROR:\n          $('#HlsStatus').text('error while trying to switch to level ' + data.level);\n          break;\n        case Hls.ErrorDetails.FRAG_LOAD_ERROR:\n          $('#HlsStatus').text('error while loading fragment ' + data.frag.url);\n          break;\n        case Hls.ErrorDetails.FRAG_LOAD_TIMEOUT:\n          $('#HlsStatus').text('timeout while loading fragment ' + data.frag.url);\n          break;\n        case Hls.ErrorDetails.FRAG_LOOP_LOADING_ERROR:\n          $('#HlsStatus').text('Frag Loop Loading Error');\n          break;\n        case Hls.ErrorDetails.FRAG_DECRYPT_ERROR:\n          $('#HlsStatus').text('Decrypting Error:' + data.reason);\n          break;\n        case Hls.ErrorDetails.FRAG_PARSING_ERROR:\n          $('#HlsStatus').text('Parsing Error:' + data.reason);\n          break;\n        case Hls.ErrorDetails.KEY_LOAD_ERROR:\n          $('#HlsStatus').text('error while loading key ' + data.frag.decryptdata.uri);\n          break;\n        case Hls.ErrorDetails.KEY_LOAD_TIMEOUT:\n          $('#HlsStatus').text('timeout while loading key ' + data.frag.decryptdata.uri);\n          break;\n        case Hls.ErrorDetails.BUFFER_APPEND_ERROR:\n          $('#HlsStatus').text('Buffer Append Error');\n          break;\n        case Hls.ErrorDetails.BUFFER_ADD_CODEC_ERROR:\n          $('#HlsStatus').text('Buffer Add Codec Error for ' + data.mimeType + ':' + data.err.message);\n          break;\n        case Hls.ErrorDetails.BUFFER_APPENDING_ERROR:\n          $('#HlsStatus').text('Buffer Appending Error');\n          break;\n        default:\n          break;\n      }\n      if(data.fatal) {\n        console.log('fatal error :' + data.details);\n        switch(data.type) {\n          case Hls.ErrorTypes.MEDIA_ERROR:\n            handleMediaError();\n            break;\n          case Hls.ErrorTypes.NETWORK_ERROR:\n            $('#HlsStatus').append(',network error ...');\n            break;\n          default:\n            $('#HlsStatus').append(', unrecoverable error');\n            hls.destroy();\n            break;\n        }\n        console.log($('#HlsStatus').text());\n      }\n      if(!stats) {\n        stats = {\n        };\n      }\n      // track all errors independently\n      if (stats[data.details] === undefined)\n      {stats[data.details] = 1;}\n      else\n      {stats[data.details] += 1;}\n\n      // track fatal error\n      if (data.fatal) {\n        if (stats.fatalError === undefined)\n        {stats.fatalError = 1;}\n        else\n        {stats.fatalError += 1;}\n\n      }\n      $('#HlsStats').text(JSON.stringify(sortObject(stats), null, '\\t'));\n    });\n\n    hls.on(Hls.Events.BUFFER_CREATED, function(event, data) {\n      tracks = data.tracks;\n    });\n\n    hls.on(Hls.Events.BUFFER_APPENDING, function(event, data) {\n      if (dumpfMP4)\n      {fmp4Data[data.type].push(data.data);}\n\n    });\n\n    hls.on(Hls.Events.FPS_DROP, function(event, data) {\n      let evt = {\n        time: performance.now() - events.t0,\n        type: 'frame drop',\n        name: data.currentDropped + '/' + data.currentDecoded\n      };\n      events.video.push(evt);\n      if (stats) {\n        if (stats.fpsDropEvent === undefined)\n        {stats.fpsDropEvent = 1;}\n        else\n        {stats.fpsDropEvent++;}\n\n        stats.fpsTotalDroppedFrames = data.totalDroppedFrames;\n      }\n    });\n    video.addEventListener('resize', handleVideoEvent);\n    video.addEventListener('seeking', handleVideoEvent);\n    video.addEventListener('seeked', handleVideoEvent);\n    video.addEventListener('pause', handleVideoEvent);\n    video.addEventListener('play', handleVideoEvent);\n    video.addEventListener('canplay', handleVideoEvent);\n    video.addEventListener('canplaythrough', handleVideoEvent);\n    video.addEventListener('ended', handleVideoEvent);\n    video.addEventListener('playing', handleVideoEvent);\n    video.addEventListener('error', handleVideoEvent);\n    video.addEventListener('loadedmetadata', handleVideoEvent);\n    video.addEventListener('loadeddata', handleVideoEvent);\n    video.addEventListener('durationchange', handleVideoEvent);\n  } else {\n    if(navigator.userAgent.toLowerCase().indexOf('firefox') !== -1)\n    {$('#HlsStatus').text('you are using Firefox, it looks like MediaSource is not enabled,<br>please ensure the following keys are set appropriately in <b>about:config</b><br>media.mediasource.enabled=true<br>media.mediasource.mp4.enabled=true<br><b>media.mediasource.whitelist=false</b>');}\n    else\n    {$('#HlsStatus').text('your Browser does not support MediaSourceExtension / MP4 mediasource');}\n\n  }\n}\n\nfunction handleVideoEvent(evt) {\n  let data = '';\n  switch(evt.type) {\n    case 'durationchange':\n      if(evt.target.duration - lastDuration <= 0.5) {\n      // some browsers reports several duration change events with almost the same value ... avoid spamming video events\n        return;\n      }\n      lastDuration = evt.target.duration;\n      data = Math.round(evt.target.duration*1000);\n      break;\n    case 'resize':\n      data = evt.target.videoWidth + '/' + evt.target.videoHeight;\n      break;\n    case 'loadedmetadata':\n    //   data = 'duration:' + evt.target.duration + '/videoWidth:' + evt.target.videoWidth + '/videoHeight:' + evt.target.videoHeight;\n    //  break;\n    case 'loadeddata':\n    case 'canplay':\n    case 'canplaythrough':\n    case 'ended':\n    case 'seeking':\n    case 'seeked':\n    case 'play':\n    case 'playing':\n      lastStartPosition = evt.target.currentTime;\n    case 'pause':\n    case 'waiting':\n    case 'stalled':\n    case 'error':\n      data = Math.round(evt.target.currentTime*1000);\n      if(evt.type === 'error') {\n        let errorTxt, mediaError=evt.currentTarget.error;\n        switch(mediaError.code) {\n          case mediaError.MEDIA_ERR_ABORTED:\n            errorTxt = 'You aborted the video playback';\n            break;\n          case mediaError.MEDIA_ERR_DECODE:\n            errorTxt = 'The video playback was aborted due to a corruption problem or because the video used features your browser did not support';\n            handleMediaError();\n            break;\n          case mediaError.MEDIA_ERR_NETWORK:\n            errorTxt = 'A network error caused the video download to fail part-way';\n            break;\n          case mediaError.MEDIA_ERR_SRC_NOT_SUPPORTED:\n            errorTxt = 'The video could not be loaded, either because the server or network failed or because the format is not supported';\n            break;\n        }\n        if (mediaError.message)\n        {errorTxt += ' - ' + mediaError.message;}\n\n        $('#HlsStatus').text(errorTxt);\n        console.error(errorTxt);\n      }\n      break;\n    // case 'progress':\n    //   data = 'currentTime:' + evt.target.currentTime + ',bufferRange:[' + this.video.buffered.start(0) + ',' + this.video.buffered.end(0) + ']';\n    //   break;\n    default:\n      break;\n  }\n  let event = {\n    time: performance.now() - events.t0,\n    type: evt.type,\n    name: data\n  };\n  events.video.push(event);\n  if(evt.type === 'seeking')\n  {lastSeekingIdx = events.video.length-1;}\n\n  if(evt.type === 'seeked')\n  {events.video[lastSeekingIdx].duration = event.time - events.video[lastSeekingIdx].time;}\n\n}\n\nfunction handleMediaError() {\n  if(autoRecoverError) {\n    let now = performance.now();\n    if(!recoverDecodingErrorDate || (now - recoverDecodingErrorDate) > 3000) {\n      recoverDecodingErrorDate = performance.now();\n      $('#HlsStatus').append(',try to recover media Error ...');\n      hls.recoverMediaError();\n    } else {\n      if(!recoverSwapAudioCodecDate || (now - recoverSwapAudioCodecDate) > 3000) {\n        recoverSwapAudioCodecDate = performance.now();\n        $('#HlsStatus').append(',try to swap Audio Codec and recover media Error ...');\n        hls.swapAudioCodec();\n        hls.recoverMediaError();\n      } else {\n        $('#HlsStatus').append(',cannot recover, last media error recovery failed ...');\n      }\n    }\n  }\n}\n\nfunction timeRangesToString(r) {\n  let log = '';\n  for (let i=0; i<r.length; i++)\n  {log += '[' + r.start(i) + ',' + r.end(i) + ']';}\n\n  return log;\n}\n\nfunction checkBuffer() {\n  let v = $('#video')[0];\n  let canvas = $('#buffered_c')[0];\n  let ctx = canvas.getContext('2d');\n  let r = v.buffered;\n  let bufferingDuration;\n  ctx.fillStyle = 'black';\n  ctx.fillRect(0, 0, canvas.width, canvas.height);\n  ctx.fillStyle = 'gray';\n  if (r) {\n    if(!canvas.width || canvas.width !== v.clientWidth)\n    {canvas.width = v.clientWidth;}\n\n    var pos = v.currentTime, bufferLen;\n    for (var i=0, bufferLen=0; i<r.length; i++) {\n      let start = r.start(i)/v.duration * canvas.width;\n      let end = r.end(i)/v.duration * canvas.width;\n      ctx.fillRect(start, 3, Math.max(2, end-start), 10);\n      if(pos >= r.start(i) && pos < r.end(i)) {\n        // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n        bufferLen = r.end(i) - pos;\n      }\n    }\n    // check if we are in buffering / or playback ended state\n    if(bufferLen <= 0.1 && v.paused === false && (pos-lastStartPosition) > 0.5) {\n      // don't create buffering event if we are at the end of the playlist, don't report ended for live playlist\n      if(lastDuration -pos <= 0.5  && events.isLive === false) {\n      } else {\n        // we are not at the end of the playlist ... real buffering\n        if(bufferingIdx !== -1) {\n          bufferingDuration = performance.now() - events.t0 - events.video[bufferingIdx].time;\n          events.video[bufferingIdx].duration = bufferingDuration;\n          events.video[bufferingIdx].name = bufferingDuration;\n        } else {\n          events.video.push({\n            type: 'buffering',\n            time: performance.now() - events.t0\n          });\n          // we are in buffering state\n          bufferingIdx = events.video.length-1;\n        }\n      }\n    }\n\n    if(bufferLen > 0.1 && bufferingIdx !=-1) {\n      bufferingDuration = performance.now() - events.t0 - events.video[bufferingIdx].time;\n      events.video[bufferingIdx].duration = bufferingDuration;\n      events.video[bufferingIdx].name = bufferingDuration;\n      // we are out of buffering state\n      bufferingIdx = -1;\n    }\n\n    // update buffer/position for current Time\n    let event = {\n      time  : performance.now() - events.t0,\n      buffer: Math.round(bufferLen*1000),\n      pos   : Math.round(pos*1000)\n    };\n    let bufEvents = events.buffer, bufEventLen = bufEvents.length;\n    if(bufEventLen > 1) {\n      let event0 = bufEvents[bufEventLen-2], event1 = bufEvents[bufEventLen-1];\n      let slopeBuf0 = (event0.buffer - event1.buffer)/(event0.time-event1.time);\n      let slopeBuf1 = (event1.buffer - event.buffer)/(event1.time-event.time);\n\n      let slopePos0 = (event0.pos - event1.pos)/(event0.time-event1.time);\n      let slopePos1 = (event1.pos - event.pos)/(event1.time-event.time);\n      // compute slopes. if less than 30% difference, remove event1\n      if((slopeBuf0 === slopeBuf1 || Math.abs(slopeBuf0/slopeBuf1 -1) <= 0.3) &&\n           (slopePos0 === slopePos1 || Math.abs(slopePos0/slopePos1 -1) <= 0.3))\n      {bufEvents.pop();}\n\n    }\n    events.buffer.push(event);\n    refreshCanvas();\n\n    let log = 'Duration:'\n              + v.duration + '<br>'\n              + 'Buffered:'\n              + timeRangesToString(v.buffered) + '<br>'\n              + 'Seekable:'\n              + timeRangesToString(v.seekable) + '<br>'\n              + 'Played:'\n              + timeRangesToString(v.played) + '<br>';\n\n    if (hls.media) {\n      for(let type in tracks)\n      {log += type + ' Buffered:' + timeRangesToString(tracks[type].buffer.buffered) + '<br>';}\n\n\n      let videoPlaybackQuality = v.getVideoPlaybackQuality;\n      if(videoPlaybackQuality && typeof (videoPlaybackQuality) === typeof (Function)) {\n        log+='Dropped Frames:'+ v.getVideoPlaybackQuality().droppedVideoFrames + '<br>';\n        log+='Corrupted Frames:'+ v.getVideoPlaybackQuality().corruptedVideoFrames + '<br>';\n      } else if(v.webkitDroppedFrameCount) {\n        log+='Dropped Frames:'+ v.webkitDroppedFrameCount + '<br>';\n      }\n    }\n    $('#buffered_log').html(log);\n    $('#HlsStats').text(JSON.stringify(sortObject(stats), null, '\\t'));\n    ctx.fillStyle = 'blue';\n    let x = v.currentTime / v.duration * canvas.width;\n    ctx.fillRect(x, 0, 2, 15);\n  }\n\n}\n\nfunction sortObject(obj) {\n  if(typeof obj !== 'object')\n  {return obj;}\n  let temp = {\n  };\n  let keys = [];\n  for(let key in obj)\n  {keys.push(key);}\n  keys.sort();\n  for(let index in keys)\n  {temp[keys[index]] = sortObject(obj[keys[index]]);}\n  return temp;\n}\n\nfunction showCanvas()  {\n  showMetrics();\n  $('#buffered_log').show();\n  $('#buffered_c').show();\n}\n\nfunction hideCanvas()  {\n  hideMetrics();\n  $('#buffered_log').hide();\n  $('#buffered_c').hide();\n}\n\nfunction getMetrics() {\n  let json = JSON.stringify(events);\n  let jsonpacked = jsonpack.pack(json);\n  console.log('packing JSON from ' + json.length + ' to ' + jsonpacked.length + ' bytes');\n  return btoa(jsonpacked);\n}\n\nfunction copyMetricsToClipBoard() {\n  copyTextToClipboard(getMetrics());\n}\n\nfunction copyTextToClipboard(text) {\n  let textArea = document.createElement('textarea');\n  textArea.value = text;\n  document.body.appendChild(textArea);\n  textArea.select();\n  try {\n    let successful = document.execCommand('copy');\n    let msg = successful ? 'successful' : 'unsuccessful';\n    console.log('Copying text command was ' + msg);\n  } catch (err) {\n    console.log('Oops, unable to copy');\n  }\n  document.body.removeChild(textArea);\n}\n\nfunction goToMetrics() {\n  let url = document.URL;\n  url = url.substr(0, url.lastIndexOf('/')+1) + 'metrics.html';\n  console.log(url);\n  window.open(url, '_blank');\n}\n\nfunction goToMetricsPermaLink() {\n  let url = document.URL;\n  let b64 = getMetrics();\n  url = url.substr(0, url.lastIndexOf('/')+1) + 'metrics.html#data=' + b64;\n  console.log(url);\n  window.open(url, '_blank');\n}\n\nfunction minsecs(ts) {\n  let m = Math.floor(Math.floor(ts % 3600) / 60);\n  let s = Math.floor(ts % 60);\n  return m + ':' + (s < 10 ? '0' : '') + s;\n}\n\nfunction onClickBufferedRange(event) {\n  let canvas = $('#buffered_c')[0];\n  let v = $('#video')[0];\n  let target = (event.clientX - canvas.offsetLeft) / canvas.width * v.duration;\n  v.currentTime = target;\n}\n\nfunction updateLevelInfo() {\n\n  if (!hls.levels) {\n    return;\n  }\n\n  let button_template = '<button type=\"button\" class=\"btn btn-sm ';\n  let button_enabled  = 'btn-primary\" ';\n  let button_disabled = 'btn-success\" ';\n\n  let html1 = button_template;\n  if(hls.autoLevelEnabled) {\n    html1 += button_enabled;\n  } else {\n    html1 += button_disabled;\n  }\n\n  html1 += 'onclick=\"hls.currentLevel=-1\">auto</button>';\n\n  let html2 = button_template;\n  if(hls.autoLevelEnabled) {\n    html2 += button_enabled;\n  } else {\n    html2 += button_disabled;\n  }\n\n  html2 += 'onclick=\"hls.loadLevel=-1\">auto</button>';\n\n  let html3 = button_template;\n  if(hls.autoLevelCapping === -1) {\n    html3 += button_enabled;\n  } else {\n    html3 += button_disabled;\n  }\n\n  html3 += 'onclick=\"levelCapping=hls.autoLevelCapping=-1;updateLevelInfo();updatePermalink();\">auto</button>';\n\n  let html4 = button_template;\n  if(hls.autoLevelEnabled) {\n    html4 += button_enabled;\n  } else {\n    html4 += button_disabled;\n  }\n\n  html4 += 'onclick=\"hls.nextLevel=-1\">auto</button>';\n\n  for (let i=0; i < hls.levels.length; i++) {\n    html1 += button_template;\n    if(hls.currentLevel === i) {\n      html1 += button_enabled;\n    } else {\n      html1 += button_disabled;\n    }\n\n    let levelName = i, label = level2label(i);\n    if(label) {\n      levelName += '(' + level2label(i) + ')';\n    }\n\n    html1 += 'onclick=\"hls.currentLevel=' + i + '\">' + levelName + '</button>';\n\n    html2 += button_template;\n    if(hls.loadLevel === i) {\n      html2 += button_enabled;\n    } else {\n      html2 += button_disabled;\n    }\n\n    html2 += 'onclick=\"hls.loadLevel=' + i + '\">' + levelName + '</button>';\n\n    html3 += button_template;\n    if(hls.autoLevelCapping === i) {\n      html3 += button_enabled;\n    } else {\n      html3 += button_disabled;\n    }\n\n    html3 += 'onclick=\"levelCapping=hls.autoLevelCapping=' + i + ';updateLevelInfo();updatePermalink();\">' + levelName + '</button>';\n\n    html4 += button_template;\n    if(hls.nextLevel === i) {\n      html4 += button_enabled;\n    } else {\n      html4 += button_disabled;\n    }\n\n    html4 += 'onclick=\"hls.nextLevel=' + i + '\">' + levelName + '</button>';\n  }\n\n  let v = $('#video')[0];\n\n  if(v.videoWidth && v.videoHeight) {\n    $('#currentResolution').html(v.videoWidth + ' x ' + v.videoHeight);\n  }\n\n  if($('#currentLevelControl').html() != html1) {\n    $('#currentLevelControl').html(html1);\n  }\n\n  if($('#loadLevelControl').html() != html2) {\n    $('#loadLevelControl').html(html2);\n  }\n\n  if($('#levelCappingControl').html() != html3) {\n    $('#levelCappingControl').html(html3);\n  }\n\n  if($('#nextLevelControl').html() != html4) {\n    $('#nextLevelControl').html(html4);\n  }\n}\n\nfunction updateAudioTrackInfo() {\n  let button_template = '<button type=\"button\" class=\"btn btn-sm ';\n  let button_enabled  = 'btn-primary\" ';\n  let button_disabled = 'btn-success\" ';\n  let html1 = '';\n  let audioTrackId = hls.audioTrack, len = hls.audioTracks.length;\n\n  for (let i=0; i < len; i++) {\n    html1 += button_template;\n    if(audioTrackId === i) {\n      html1 += button_enabled;\n    } else {\n      html1 += button_disabled;\n    }\n\n    html1 += 'onclick=\"hls.audioTrack=' + i + '\">' + hls.audioTracks[i].name + '</button>';\n  }\n  $('#audioTrackControl').html(html1);\n}\n\nfunction level2label(index) {\n  if(hls && hls.levels.length-1 >= index) {\n    let level = hls.levels[index];\n    if (level.name) {\n      return level.name;\n    } else {\n      if (level.height) {\n        return(level.height + 'p / ' + Math.round(level.bitrate / 1024) + 'kb');\n      } else {\n        if(level.bitrate)\n        {return(Math.round(level.bitrate / 1024) + 'kb');}\n        else\n        {return null;}\n\n      }\n    }\n  }\n}\n\nfunction getURLParam(sParam, defaultValue) {\n  let sPageURL = window.location.search.substring(1);\n  let sURLVariables = sPageURL.split('&');\n  for (let i = 0; i < sURLVariables.length; i++) {\n    let sParameterName = sURLVariables[i].split('=');\n    if (sParameterName[0] == sParam)\n    {return 'undefined' == sParameterName[1] ? undefined : 'false' == sParameterName[1] ? false : sParameterName[1];}\n\n  }\n  return defaultValue;\n}\n\nfunction updatePermalink() {\n\n  const url = $('#streamURL').val();\n  const hlsLink = document.URL.split('?')[0] +  '?src=' + encodeURIComponent(url) +\n                    '&enableStreaming=' + enableStreaming +\n                    '&autoRecoverError=' + autoRecoverError +\n                    '&enableWorker=' + enableWorker +\n                    '&dumpfMP4=' + dumpfMP4 +\n                    '&levelCapping=' + levelCapping +\n                    '&defaultAudioCodec=' + defaultAudioCodec +\n                    '&widevineLicenseURL=' + escape(widevineLicenseUrl);\n\n  $('#StreamPermalink').html('<a href=\"' + hlsLink + '\">' + hlsLink + '</a>');\n}\n\nfunction createfMP4(type) {\n  if (fmp4Data[type].length) {\n    let blob = new Blob([arrayConcat(fmp4Data[type])], {\n      type: 'application/octet-stream'\n    });\n    let filename = type + '-' + new Date().toISOString() + '.mp4';\n    saveAs(blob, filename);\n    //$('body').append('<a download=\"hlsjs-' + filename + '\" href=\"' + window.URL.createObjectURL(blob) + '\">Download ' + filename + ' track</a><br>');\n  }\n}\n\nfunction arrayConcat(inputArray) {\n  let totalLength = inputArray.reduce( function(prev, cur) { return prev+cur.length; }, 0);\n  let result = new Uint8Array(totalLength);\n  let offset = 0;\n  inputArray.forEach(function(element) {\n    result.set(element, offset);\n    offset += element.length;\n  });\n  return result;\n}\n\n\n\n// WEBPACK FOOTER //\n// ./demo/main.js","function createTestStream(url, description, live = false, abr = true, blacklist_ua = []) {\n  return {\n    url,\n    description,\n    live,\n    abr,\n    blacklist_ua\n  }\n}\n\nfunction createTestStreamWithConfig(url, description, config) {\n  const testStream = createTestStream(url, description);\n\n  testStream.config = config;\n\n  return testStream;\n}\n\nmodule.exports = {\n  bbb: createTestStream(\n    \"https://video-dev.github.io/streams/x36xhzz/x36xhzz.m3u8\",\n    \"Big Buck Bunny - adaptive qualities\"\n  ),\n  bigBuckBunny480p: {\n    \"url\": \"https://video-dev.github.io/streams/x36xhzz/url_6/193039199_mp4_h264_aac_hq_7.m3u8\",\n    \"description\": \"Big Buck Bunny - 480p only\",\n    \"live\": false,\n    \"abr\": false,\n    \"blacklist_ua\": [\"internet explorer\"]\n  },\n  arte: {\n    \"url\": \"https://video-dev.github.io/streams/test_001/stream.m3u8\",\n    \"description\": \"ARTE China,ABR\",\n    \"live\": false,\n    \"abr\": true\n  },\n  deltatreDAI: {\n    \"url\": \"https://video-dev.github.io/streams/dai-discontinuity-deltatre/manifest.m3u8\",\n    \"description\": \"Ad-insertion in event stream\",\n    \"live\": false,\n    \"abr\": false,\n    \"blacklist_ua\": [\"internet explorer\"]\n  },\n  issue666: {\n    \"url\": \"http://www.streambox.fr/playlists/cisq0gim60007xzvi505emlxx.m3u8\",\n    \"description\": \"hls.js/issues/666\",\n    \"live\": false,\n    \"abr\": false,\n    \"blacklist_ua\": [\"internet explorer\"]\n  },\n  issue649: {\n    \"url\": \"http://cdn3.screen9.com/media/c/W/cW87csHkxsgu5TV1qs78aA_auto_hls.m3u8?auth=qlUjeCtbVdtkDfZYrtveTIVUXX1yuSqgF8wfWabzKpX72r-d5upW88-FHuyRRdnZA_1PKRTGAtTt_6Z-aj22kw\",\n    \"description\": \"hls.js/issues/649\",\n    \"live\": false,\n    \"abr\": false\n  },\n  closedCaptions: {\n    \"url\": \"http://playertest.longtailvideo.com/adaptive/captions/playlist.m3u8\",\n    \"description\": \"CNN special report, with CC\",\n    \"live\": false,\n    \"abr\": false,\n    \"blacklist_ua\": [\"safari\"]\n  },\n  oceansAES: {\n    \"url\": \"http://playertest.longtailvideo.com/adaptive/oceans_aes/oceans_aes.m3u8\",\n    \"description\": \"AES encrypted,ABR\",\n    \"live\": false,\n    \"abr\": true\n  },\n  bbbAES: {\n    \"url\": \"http://streambox.fr/playlists/sample_aes/index.m3u8\",\n    \"description\": \"SAMPLE-AES encrypted\",\n    \"live\": false,\n    \"abr\": false\n  },\n  mp3Audio: {\n    \"url\": \"https://player.webvideocore.net/CL1olYogIrDWvwqiIKK7eLBkzvO18gwo9ERMzsyXzwt_t-ya8ygf2kQBZww38JJT/8i4vvznv8408.m3u8\",\n    \"description\": \"MP3 VOD demo\",\n    \"live\": false,\n    \"abr\": false,\n    \"blacklist_ua\": [\"safari\"]\n  },\n  mpegAudioOnly: {\n    \"url\": \"https://pl.streamingvideoprovider.com/mp3-playlist/playlist.m3u8\",\n    \"description\": \"MPEG Audio Only demo\",\n    \"live\": false,\n    \"abr\": false,\n    \"blacklist_ua\": [\"internet explorer\", \"MicrosoftEdge\", \"safari\", \"firefox\"]\n  },\n  fmp4: {\n    \"url\": \"https://storage.googleapis.com/shaka-demo-assets/angel-one-hls/hls.m3u8\",\n    \"description\": \"HLS fMP4 Angel-One multiple audio-tracks\",\n    \"live\": false,\n    \"abr\": false,\n    \"blacklist_ua\": [\"safari\", \"internet explorer\"]\n  },\n  fmp4Bitmovin: {\n    \"url\": \"https://bitdash-a.akamaihd.net/content/MI201109210084_1/m3u8s-fmp4/f08e80da-bf1d-4e3d-8899-f0f6155f6efa.m3u8\",\n    \"description\": \"HLS fMP4 by Bitmovin\",\n    \"live\": false,\n    \"abr\": true,\n    \"blacklist_ua\": [\"safari\", \"internet explorer\"]\n  },\n  offset_pts: {\n    \"url\": \"https://video-dev.github.io/streams/pts_shift/master.m3u8\",\n    \"description\": \"DK Turntable, PTS shifted by 2.3s\",\n    \"live\": false,\n    \"abr\": false\n  },\n  uspHLSAteam: createTestStream(\n      \"http://demo.unified-streaming.com/video/ateam/ateam.ism/ateam.m3u8?session_id=27199\",\n      \"A-Team movie trailer - HLS by Unified Streaming Platform\"\n  ),\n  angelOneShakaWidevine: createTestStreamWithConfig(\n    \"https://storage.googleapis.com/shaka-demo-assets/angel-one-widevine-hls/hls.m3u8\",\n    \"Shaka-packager Widevine DRM (EME) HLS-fMP4 - Angel One Demo\",\n    {\n      widevineLicenseUrl: \"https://cwip-shaka-proxy.appspot.com/no_auth\",\n      emeEnabled: true,\n    }\n  )\n}\n\n\n\n// WEBPACK FOOTER //\n// ./tests/test-streams.js"],"sourceRoot":""}