getVideoResolution() {
    shaka.Deprecate.deprecateFeature(5,
        'TsParser.getVideoResolution',
        'Please use getVideoInfo function instead.');
    const videoInfo = this.getVideoInfo();
    return {
      height: videoInfo.height,
      width: videoInfo.width,
    };
  }
Return the video resolution

@return {{height: ?string, width: ?string}}
@export