* Begin playing the video.

* Call a set of functions in order on playlist loaders, segment loaders, * or both types of loaders. * * @param {string} filter * F

* Sends request to refresh the main xml and updates the parsed main manifest

* Calculates and saves timeline mappings, playlist sync info, and segment timing values * based on the latest timing information. * * @param

* Adds a keystatus to the keystatus map, tries to convert to string if necessary. * * @param {any} keyId the keyId to add a status for * @par

* Calculate the amount of time that has expired off the playlist during playback * * @param {Playlist} playlist * Playlist object to c

* Add a callback to the queue that will set duration on the mediaSource. * * @param {number} duration * The duration to set * *

* Check if a playlist has stopped being updated * * @param {Object} playlist the media playlist object * @return {boolean} whether the playli

* Verify that the container of the sidx segment can be parsed * and if it can, get and parse that segment.

* Checks the refreshed DASH manifest content steering tag for changes. * * @param {string} baseURL new steering tag on DASH manifest refresh

* get the current duration * * @return {TimeRange} the duration

* Re-tune playback quality level for the current player * conditions. This method will perform destructive actions like removing * already buffe

* Returns the pathway to use for steering decisions * * @return {string} returns the current pathway or the default

* Resets the 'timeupdate' mechanism designed to detect that we are stalled * * @private

* check the seekable range * * @return {TimeRange} the seekable range

* Save the mapping from playlist's ProgramDateTime to display. This should only happen * before segments start to load. * * @param {Playlist}

* Determines if the network has enough bandwidth to complete the current segment * request in a timely manner. If not, the request will be aborted

* Iterates through playlists and check their keyId set and compare with the * keyStatusMap, only enable playlists that have a usable key. If the pl

* Chooses the manifest request URI based on proxy URIs and server URLs. * Also accounts for exclusion on certain manifest URIs. * * @param {s

* Calculates the desired forward buffer length based on current time * * @return {number} Desired forward buffer length in seconds

* Update the playlist loader's state in response to a new or updated playlist. * * @param {string} [playlistString] * Playlist string

* Gets and sets key for the provided key * * @param {Object} key * The key object representing the key to get or set * @param {bool

* Adds the onRequest, onResponse, offRequest and offResponse functions * to the VhsHandler xhr Object.

* Add a function to the queue that will be called * when it is its turn to run in the audio queue. * * @param {Function} callback *

* Calculates the desired buffer low water line based on current time * * @return {number} Desired buffer low water line in seconds

* Whether or not the changeType function is supported * on our SourceBuffers. * * @return {boolean} * if changeType can be called.

* 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

* Refreshes the media playlist by re-parsing the main xml and updating playlist * references. If this is an alternate loader, the updated parsed ma

* Queue an update to remove a time range from the buffer. * * @param {number} start where to start the removal * @param {number} end where to

* Stop the timer that periodically calls checkABR_ * * @private

* Add a function to the queue that will be called * when it is its turn to run in the video queue. * * @param {Function} callback *