使用小面积模糊遮罩干扰 RTX Video，解决倍速播放视频时对显卡带来的过度负载
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// ==UserScript==
// @name RTX Video fix
// @name:en RTX Video fix
// @namespace http://tampermonkey.net/
// @version 1.4
// @description 使用小面积模糊遮罩干扰 RTX Video，解决倍速播放视频时对显卡带来的过度负载
// @description:en Use a small-area blur overlay to interfere with RTX Video and alleviate excessive GPU load during high-speed video playback.
// @match *://*/*
// @grant none
// @license GPL-v3
// ==/UserScript==
(function () {
'use strict';
const OVERLAY_ID = '__bili_hdr_corner_blur__';
function tryInjectOverlay() {
const video = document.querySelector('video');
const wrap = document.querySelector('.bpx-player-video-wrap');
if (!video || !wrap) return;
let overlay = document.getElementById(OVERLAY_ID);
const rate = video.playbackRate;
if (rate > 1.0 && !overlay) {
const rect = wrap.getBoundingClientRect();
// 设定遮罩尺寸（右下角 120x120）
const size = 1;
overlay = document.createElement('div');
overlay.id = OVERLAY_ID;
Object.assign(overlay.style, {
position: 'fixed',
left: `${rect.right - size}px`,
top: `${rect.bottom - size}px`,
width: `${size}px`,
height: `${size}px`,
backdropFilter: 'blur(1px)',
webkitBackdropFilter: 'blur(1px)',
pointerEvents: 'none',
zIndex: '99999999',
});
document.body.appendChild(overlay);
console.log('[HDR控制] 小角落模糊遮罩已插入');
} else if (rate === 1.0 && overlay) {
overlay.remove();
console.log('[HDR控制] 模糊遮罩已移除');
}
// 实时跟随播放器位置
if (overlay && wrap) {
const rect = wrap.getBoundingClientRect();
const size = 120;
Object.assign(overlay.style, {
left: `${rect.right - size}px`,
top: `${rect.bottom - size}px`
});
}
}
setInterval(tryInjectOverlay, 50);
})();
