enum VideoQuality { speed240(6, '240P 极速'), fluent360(16, '360P 流畅'), clear480(32, '480P 清晰'), high720(64, '720P 高清'), high72060(74, '720P60 高帧率'), high1080(80, '1080P 高清'), high1080plus(112, '1080P+ 高码率'), high108060(116, '1080P60 高帧率'), super4K(120, '4K 超清'), hdr(125, 'HDR 真彩色'), dolbyVision(126, '杜比视界'), super8k(127, '8K 超高清'); final int code; final String description; const VideoQuality(this.code, this.description); static final _codeMap = {for (var i in values) i.code: i}; static VideoQuality fromCode(int code) => _codeMap[code]!; }