# All files / src config.js

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     /**
     * HLS config
     */

    import AbrController from './controller/abr-controller';
    import BufferController from './controller/buffer-controller';
    import CapLevelController from './controller/cap-level-controller';
    import FPSController from './controller/fps-controller';
    import XhrLoader from './utils/xhr-loader';
    // import FetchLoader from './utils/fetch-loader';

    import AudioTrackController from './controller/audio-track-controller';
    import AudioStreamController from './controller/audio-stream-controller';

    import * as Cues from './utils/cues';
    import TimelineController from './controller/timeline-controller';
    import SubtitleTrackController from './controller/subtitle-track-controller';
    import { SubtitleStreamController } from './controller/subtitle-stream-controller';
    import EMEController from './controller/eme-controller';

    import { requestMediaKeySystemAccess } from './utils/mediakeys-helper';

    export var hlsDefaultConfig = {
      autoStartLoad: true, // used by stream-controller
      startPosition: -1, // used by stream-controller
      defaultAudioCodec: undefined, // used by stream-controller
      debug: false, // used by logger
      capLevelOnFPSDrop: false, // used by fps-controller
      capLevelToPlayerSize: false, // used by cap-level-controller
      initialLiveManifestSize: 1, // used by stream-controller
      maxBufferLength: 30, // used by stream-controller
      maxBufferSize: 60 * 1000 * 1000, // used by stream-controller
      maxBufferHole: 0.5, // used by stream-controller

      lowBufferWatchdogPeriod: 0.5, // used by stream-controller
      highBufferWatchdogPeriod: 3, // used by stream-controller
      nudgeOffset: 0.1, // used by stream-controller
      nudgeMaxRetry: 3, // used by stream-controller
      maxFragLookUpTolerance: 0.25, // used by stream-controller
      liveSyncDurationCount: 3, // used by stream-controller
      liveMaxLatencyDurationCount: Infinity, // used by stream-controller
      liveSyncDuration: undefined, // used by stream-controller
      liveMaxLatencyDuration: undefined, // used by stream-controller
      liveDurationInfinity: false, // used by buffer-controller
      liveBackBufferLength: Infinity, // used by buffer-controller
      maxMaxBufferLength: 600, // used by stream-controller
      enableWorker: true, // used by demuxer
      enableSoftwareAES: true, // used by decrypter
      manifestLoadingTimeOut: 10000, // used by playlist-loader
      manifestLoadingMaxRetry: 1, // used by playlist-loader
      manifestLoadingRetryDelay: 1000, // used by playlist-loader
      manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader
      startLevel: undefined, // used by level-controller
      levelLoadingTimeOut: 10000, // used by playlist-loader
      levelLoadingMaxRetry: 4, // used by playlist-loader
      levelLoadingRetryDelay: 1000, // used by playlist-loader
      levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader
      fragLoadingTimeOut: 20000, // used by fragment-loader
      fragLoadingMaxRetry: 6, // used by fragment-loader
      fragLoadingRetryDelay: 1000, // used by fragment-loader
      fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader
      startFragPrefetch: false, // used by stream-controller
      fpsDroppedMonitoringPeriod: 5000, // used by fps-controller
      fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller
      appendErrorMaxRetry: 3, // used by buffer-controller
      loader: XhrLoader,
      // loader: FetchLoader,
      fLoader: undefined, // used by fragment-loader
      pLoader: undefined, // used by playlist-loader
      xhrSetup: undefined, // used by xhr-loader
      licenseXhrSetup: undefined, // used by eme-controller
      // fetchSetup: undefined,
      abrController: AbrController,
      bufferController: BufferController,
      capLevelController: CapLevelController,
      fpsController: FPSController,
      stretchShortVideoTrack: false, // used by mp4-remuxer
      maxAudioFramesDrift: 1, // used by mp4-remuxer
      forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer
      abrEwmaFastLive: 3, // used by abr-controller
      abrEwmaSlowLive: 9, // used by abr-controller
      abrEwmaFastVoD: 3, // used by abr-controller
      abrEwmaSlowVoD: 9, // used by abr-controller
      abrEwmaDefaultEstimate: 5e5, // 500 kbps  // used by abr-controller
      abrBandWidthFactor: 0.95, // used by abr-controller
      abrBandWidthUpFactor: 0.7, // used by abr-controller
      abrMaxWithRealBitrate: false, // used by abr-controller
      maxStarvationDelay: 4, // used by abr-controller
      maxLoadingDelay: 4, // used by abr-controller
      minAutoBitrate: 0, // used by hls
      emeEnabled: false, // used by eme-controller
      widevineLicenseUrl: undefined, // used by eme-controller
      requestMediaKeySystemAccessFunc:
                requestMediaKeySystemAccess // used by eme-controller
    };

    Eif (__USE_SUBTITLES__) {
      hlsDefaultConfig.subtitleStreamController = SubtitleStreamController;
      hlsDefaultConfig.subtitleTrackController = SubtitleTrackController;
      hlsDefaultConfig.timelineController = TimelineController;
      hlsDefaultConfig.cueHandler = Cues; // used by timeline-controller
      hlsDefaultConfig.enableCEA708Captions = true; // used by timeline-controller
      hlsDefaultConfig.enableWebVTT = true; // used by timeline-controller
      hlsDefaultConfig.captionsTextTrack1Label = 'English'; // used by timeline-controller
      hlsDefaultConfig.captionsTextTrack1LanguageCode = 'en'; // used by timeline-controller
      hlsDefaultConfig.captionsTextTrack2Label = 'Spanish'; // used by timeline-controller
      hlsDefaultConfig.captionsTextTrack2LanguageCode = 'es'; // used by timeline-controller
    }

    Eif (__USE_ALT_AUDIO__) {
      hlsDefaultConfig.audioStreamController = AudioStreamController;
      hlsDefaultConfig.audioTrackController = AudioTrackController;
    }

    Eif (__USE_EME_DRM__) {
      hlsDefaultConfig.emeController = EMEController;
    }