react-native-theoplayer/lib/module/api/track/MediaTrack.js

A THEOplayer video component for react-native.

"use strict";

/**
 * Represents the category of a media track (audio or video).
 *
 * @category Media and Text Tracks
 * @public
 */

/**
 * Represents a media track (audio or video) of a media resource.
 *
 * @category Media and Text Tracks
 * @public
 */

/**
 * Find a media track by `uid` in a list of media tracks.
 *
 * @category Media and Text Tracks
 * @public
 */
export function findMediaTrackByUid(mediaTracks, uid) {
  return mediaTracks.find(track => track.uid === uid);
}

/**
 * Find a quality by `uid` in a list of media tracks.
 *
 * @category Media and Text Tracks
 * @public
 */
export function findQualityByUid(mediaTrack, uid) {
  return mediaTrack.qualities.find(quality => quality.uid === uid);
}

/**
 * Find a list of qualities by `uid` in a list of media tracks.
 *
 * @category Media and Text Tracks
 * @public
 */
export function findQualitiesByUid(mediaTrack, uid) {
  if (uid && mediaTrack) {
    if (Array.isArray(uid)) {
      return mediaTrack.qualities.filter(quality => uid.includes(quality.uid));
    } else {
      const quality = findQualityByUid(mediaTrack, uid);
      return quality ? [quality] : undefined;
    }
  }
  return undefined;
}
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