YouTube Performance GPU Optimized v2.4 (Hardware acceleration on)

Donanım hızlandırma açık kullanım için: AV1 kapalı, VP9 serbest. Ambient mode, efektler ve animasyonlar kapalı. DOM ve yorumlar optimize edildi.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         YouTube Performance GPU Optimized v2.4 (Hardware acceleration on)
// @namespace    http://tampermonkey.net/
// @version      2.4.0
// @description  Donanım hızlandırma açık kullanım için: AV1 kapalı, VP9 serbest. Ambient mode, efektler ve animasyonlar kapalı. DOM ve yorumlar optimize edildi.
// @author       *
// @license      MIT
// @match        *://*.youtube.com/*
// @run-at       document-start
// ==/UserScript==

(function () {
  'use strict';

  // ---------- 1) Codec override (AV1 kapalı, VP9 serbest) ----------
  const origCanPlayType = HTMLMediaElement.prototype.canPlayType;
  HTMLMediaElement.prototype.canPlayType = function (type) {
    if (type && /codecs="?av01/i.test(type)) return '';
    return origCanPlayType.call(this, type);
  };

  if (navigator.mediaCapabilities && navigator.mediaCapabilities.decodingInfo) {
    const origDecodingInfo = navigator.mediaCapabilities.decodingInfo.bind(navigator.mediaCapabilities);
    navigator.mediaCapabilities.decodingInfo = async (cfg) => {
      const ct = cfg?.video?.contentType || '';
      if (/codecs="?av01/i.test(ct)) {
        return { supported: false, powerEfficient: false, smooth: false };
      }
      return origDecodingInfo(cfg);
    };
  }

  // ---------- 2) Event throttling ----------
  function throttleEvents(root = document) {
    const throttleMs = 25; // GPU açıkken biraz daha hızlı olabilir
    const last = {};
    const types = ['mousemove', 'pointermove', 'scroll', 'resize'];
    types.forEach(type => {
      root.addEventListener(type, (e) => {
        const now = performance.now();
        if (last[type] && now - last[type] < throttleMs) {
          e.stopImmediatePropagation();
          e.stopPropagation();
          return;
        }
        last[type] = now;
      }, true);
    });
  }

  // ---------- 3) DOM optimize ----------
  function slimDOM() {
    document.querySelectorAll('ytd-rich-item-renderer,ytd-compact-video-renderer')
      .forEach(el => {
        if (!el.dataset.gpuOptimized) {
          el.dataset.gpuOptimized = '1';
          el.style.display = "none";
          const observer = new IntersectionObserver((entries, obs) => {
            if (entries[0].isIntersecting) {
              el.style.display = "";
              obs.disconnect();
            }
          }, { rootMargin: '800px' });
          observer.observe(el);
        }
      });
  }

  // ---------- 4) Ambient & efektleri kapatma ----------
  function killVisuals() {
    const style = document.createElement('style');
    style.textContent = `
      .ytp-ambient-light,
      .ytp-ambient-mode-enabled,
      ytd-watch-flexy[ambient-mode-enabled] .ytp-ambient-light,
      ytd-watch-flexy[ambient-mode-enabled] .html5-video-player::before {
        display: none !important;
      }

      /* GPU shader yükünü azalt */
      ytd-app, ytd-watch-flexy, #content, #page-manager {
        backdrop-filter: none !important;
        filter: none !important;
        animation: none !important;
        transition: none !important;
        will-change: auto !important;
        transform: none !important;
      }
    `;
    document.documentElement.appendChild(style);

    let mo;
    const startAmbientObs = () => {
      if (mo) return;
      const flexy = document.querySelector('ytd-watch-flexy');
      if (flexy) {
        mo = new MutationObserver(() => {
          flexy.removeAttribute('ambient-mode-enabled');
        });
        mo.observe(flexy, { attributes: true, attributeFilter: ['ambient-mode-enabled'] });
      }
    };
    document.addEventListener('DOMContentLoaded', startAmbientObs);
    window.addEventListener('yt-navigate-finish', startAmbientObs);
  }

  // ---------- 5) Lazy-load yorumlar ----------
  function lazyLoadComments() {
    const comments = document.querySelector("ytd-comments#comments");
    if (!comments) return;
    comments.style.contentVisibility = "hidden";
    const obs = new IntersectionObserver((entries) => {
      if (entries[0].isIntersecting) {
        comments.style.contentVisibility = "visible";
        obs.disconnect();
      }
    });
    obs.observe(comments);
  }

  // ---------- Apply ----------
  const reapply = () => {
    throttleEvents();
    slimDOM();
    killVisuals();
    lazyLoadComments();
  };

  document.addEventListener('DOMContentLoaded', reapply);
  window.addEventListener('yt-navigate-finish', reapply);
})();