优化使用hls.js库的视频站

来自缓存
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优化使用hls.js库的视频站

设置缓存区大小
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// ==UserScript==
// @name        优化使用hls.js库的视频站
// @description 设置缓存区大小
// @namespace   set-hls.js-buffer
// @match       https://www.miguvideo.com/p/detail/*
// @match       https://vip.1905.com/play/*
// @match       https://www.1905.com/vod/play/*
// @match       https://www.olevod.com/player/vod/*
// @match       https://nnyy.in/*/*.html
// @match       https://www.nunuyy5.com/vod/*
// @match       https://www.dandanzan.me/vod/*
// @match       https://dandanzan.net/*.html
// @match       https://www.iyf.tv/play/*
// @match       https://www.iyf.tv/watch?v=*
// @version     1.4
// @author      ray
// @license     MIT
// @run-at      document-start
// @grant       unsafeWindow
// ==/UserScript==

const buffSize = 80; // 视频缓存区大小：20 － 800秒

const rawFn = MediaSource.isTypeSupported;
unsafeWindow.MediaSource.isTypeSupported = function(...a) {
	if (unsafeWindow.Hls) {
		unsafeWindow.MediaSource.isTypeSupported = rawFn;
		unsafeWindow.Hls = new Proxy(Hls, {
			construct(target, args, newTarget) {
				const opts = {
					maxBufferSize: 36 << 20, // 36MB
					maxBufferLength: buffSize,
					maxMaxBufferLength: buffSize + 9,
					backBufferLength: 9
				};
				args[0] = Object.assign(args[0] || {}, opts);
				return new target(...args);
			}
		});
		setTimeout(after,99);
	}
	return rawFn(...a);
};

function after() {
	console.log('成功设置Hls缓冲！');
	const v = document.getElementsByTagName('video')[0];
	v.muted = !1;
	v.style.setProperty("max-height", "100%", "important");

	let tip = document.createElement('span');
	let {hostname: h} = location;
	if (h == 'nnyy.in') {
		document.querySelector('#e-tip').after(tip);
	}
	else if (h == 'dandanzan.net') {
		tip = document.querySelector('#mytip');
	}
	else if (h.endsWith('nunuyy5.com') || h.endsWith('dandanzan.me')) {
		document.querySelector('span.current-route').after(tip);
	}
	else return;

	v.addEventListener('loadedmetadata', () => {
		v.playbackRate = +localStorage.mvPlayRate || 1.4;
		tip.innerText = `　　　分辨率：${v.videoWidth}x${v.videoHeight}P`;
	});
}