* Represents an PlaybackWatcher object. * * @class * @param {Object} options an object that includes the tech and settings

* @param {number} start - media sequence start * @param {number} end - media sequence end * @param {number} segmentIndex - index for associated

* * @param {SyncInfo} segmentSyncInfo - sync info for a given segment * @param {Array<SyncInfo>} [partsSyncInfo] - sync infos for a list of part

* Abort any outstanding work and clean up.

* dispose of the source updater and the underlying sourceBuffer

* Abort all outstanding work and cleanup.

* fill the buffer with segements unless the sourceBuffers are * currently updating * * Note: this function should only ever be called by moni

* Returns the key ID set from a playlist * * @param {playlist} playlist to fetch the key ID set from. * @return a Set of 32 digit hex strings

* Parse an mp4 encapsulated WebVTT segment and return an array of cues. * * @param {Uint8Array} data a text/webvtt segment * @return {Object[

* handle the durationchange event on the MediaSource * * @private

* XHR `progress` event handler * * @param {Event} * The XHR `progress` event * @param {Object} simpleSegment * A simplifi

* handle the sourceended event on the MediaSource * * @private

* Initializes the WebVttParser and passes the init segment. * * @param {Uint8Array} data mp4 boxed WebVTT init segment data

* Gets and sets init segment for the provided map * * @param {Object} map * The map object representing the init segment to get or set