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share/public_html/static/hls.js  view on Meta::CPAN

        loader.destroy();
      }

      this.resetInternalLoader(contextType);
    }
  };

  PlaylistLoader.prototype.destroy = function destroy() {
    this.destroyInternalLoaders();

    _EventHandler.prototype.destroy.call(this);
  };

  PlaylistLoader.prototype.onManifestLoading = function onManifestLoading(data) {
    this.load(data.url, { type: ContextType.MANIFEST, level: 0, id: null });
  };

  PlaylistLoader.prototype.onLevelLoading = function onLevelLoading(data) {
    this.load(data.url, { type: ContextType.LEVEL, level: data.level, id: data.id });
  };

  PlaylistLoader.prototype.onAudioTrackLoading = function onAudioTrackLoading(data) {
    this.load(data.url, { type: ContextType.AUDIO_TRACK, level: 0, id: data.id });
  };

  PlaylistLoader.prototype.onSubtitleTrackLoading = function onSubtitleTrackLoading(data) {
    this.load(data.url, { type: ContextType.SUBTITLE_TRACK, level: 0, id: data.id });
  };

  PlaylistLoader.prototype.load = function load(url, context) {
    var config = this.hls.config;

    logger["b" /* logger */].debug('Loading playlist of type ' + context.type + ', level: ' + context.level + ', id: ' + context.id);

    // Check if a loader for this context already exists
    var loader = this.getInternalLoader(context);
    if (loader) {
      var loaderContext = loader.context;
      if (loaderContext && loaderContext.url === url) {
        // same URL can't overlap
        logger["b" /* logger */].trace('playlist request ongoing');
        return false;
      } else {
        logger["b" /* logger */].warn('aborting previous loader for type: ' + context.type);
        loader.abort();
      }
    }

    var maxRetry = void 0,
        timeout = void 0,
        retryDelay = void 0,
        maxRetryDelay = void 0;

    // apply different configs for retries depending on
    // context (manifest, level, audio/subs playlist)
    switch (context.type) {
      case ContextType.MANIFEST:
        maxRetry = config.manifestLoadingMaxRetry;
        timeout = config.manifestLoadingTimeOut;
        retryDelay = config.manifestLoadingRetryDelay;
        maxRetryDelay = config.manifestLoadingMaxRetryTimeout;
        break;
      case ContextType.LEVEL:
        // Disable internal loader retry logic, since we are managing retries in Level Controller
        maxRetry = 0;
        timeout = config.levelLoadingTimeOut;
        // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config
        break;
      default:
        maxRetry = config.levelLoadingMaxRetry;
        timeout = config.levelLoadingTimeOut;
        retryDelay = config.levelLoadingRetryDelay;
        maxRetryDelay = config.levelLoadingMaxRetryTimeout;
        break;
    }

    loader = this.createInternalLoader(context);

    context.url = url;
    context.responseType = context.responseType || ''; // FIXME: (should not be necessary to do this)

    var loaderConfig = {
      timeout: timeout,
      maxRetry: maxRetry,
      retryDelay: retryDelay,
      maxRetryDelay: maxRetryDelay
    };

    var loaderCallbacks = {
      onSuccess: this.loadsuccess.bind(this),
      onError: this.loaderror.bind(this),
      onTimeout: this.loadtimeout.bind(this)
    };

    logger["b" /* logger */].debug('Calling internal loader delegate for URL: ' + url);

    loader.load(context, loaderConfig, loaderCallbacks);

    return true;
  };

  PlaylistLoader.prototype.loadsuccess = function loadsuccess(response, stats, context) {
    var networkDetails = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;

    if (context.isSidxRequest) {
      this._handleSidxRequest(response, context);
      this._handlePlaylistLoaded(response, stats, context, networkDetails);
      return;
    }

    this.resetInternalLoader(context.type);

    var string = response.data;

    stats.tload = performance.now();
    // stats.mtime = new Date(target.getResponseHeader('Last-Modified'));

    // Validate if it is an M3U8 at all
    if (string.indexOf('#EXTM3U') !== 0) {
      this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails);
      return;
    }

    // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present)
    if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) {
      this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails);
    } else {
      this._handleMasterPlaylist(response, stats, context, networkDetails);
    }
  };

  PlaylistLoader.prototype.loaderror = function loaderror(response, context) {
    var networkDetails = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;

    this._handleNetworkError(context, networkDetails);
  };

  PlaylistLoader.prototype.loadtimeout = function loadtimeout(stats, context) {
    var networkDetails = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;

    this._handleNetworkError(context, networkDetails, true);
  };

  PlaylistLoader.prototype._handleMasterPlaylist = function _handleMasterPlaylist(response, stats, context, networkDetails) {
    var hls = this.hls;
    var string = response.data;

    var url = PlaylistLoader.getResponseUrl(response, context);

    var levels = m3u8_parser.parseMasterPlaylist(string, url);
    if (!levels.length) {
      this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails);