Remove Super Resolution (AI-Upscaled) Videos From YouTube

Removes the ability to select or watch AI-upscaled (Super Resolution) videos from YouTube and stop them loading automatically

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Remove Super Resolution (AI-Upscaled) Videos From YouTube
// @namespace    https://www.tampermonkey.net/
// @version      1.1
// @description  Removes the ability to select or watch AI-upscaled (Super Resolution) videos from YouTube and stop them loading automatically
// @author       zy
// @icon         data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAATAAAAEgCAMAAAAE899aAAAAIGNIUk0AAHomAACAhAAA+gAAAIDoAAB1MAAA6mAAADqYAAAXcJy6UTwAAAA5UExURQAAAAAAAGpCLffw5v////vp2bl8W5EtN+0cJLsAAD8nG/9sbPR3d/Hm08Okof307P3j4/WDg44PD1mgPNwAAAABdFJOUwBA5thmAAAAAWJLR0QEj2jZUQAAAAlwSFlzAAAOwgAADsMBDDN7wQAAAAd0SU1FB+kJCgI7MfHaWZMAAAqxSURBVHja7d3rQtw4DAXgUugyy+zSLe//sEtwVcmy5EvixE7m6AedkrkkHxxHzmTCt28o1MPWU1WNXsuJCmDNQN+L9dCAAGtGKgPVE47eMoDNwdSDyGcbvZ0AG8e1F9Ql0QDWiHUMF6ON3maAHct1HNYF0AB2Aq4TkwGsGWwMF5GdDg1gjVwjwQhttALArst1MjKANYONxjoZGcAauWYBOwkZwJrBRjPFZKM9ANabazawyckA1gw2miglG20CsKuDTU0GsEau+cCmDiXAmsFG4wDsymBzBnLiYR9gzWCjaXyy0TYA68EFMIDtCzaaBWBXBps5kFM2FgBrBhuNUiIbLQSwbVwAA9i+YKNBAHZlsPm5JiMDWCPXGrDjdxMAOyfYmg0/+mOBADsvWH7D7WXWY476mPNoL4D15LJo0jDuf5EGgJ0TrGYj9X3sMD5/VYkeYI8EVhuhBaMc2jJYbWBrfoAAOwNY7QWIAph/H+Yq36+Gq3wvgJ0FLIWzVjZw5CCeRXn3q207AHZFMEnng9msMpB5sHLbUQ82DRnAOoE9mcUQEsybrJd2CvVgE4USYB3ArEvVynp+1mT2M9RNngD2eGBPTz3ASjsFut/LC8AeCYxZXl6WTfHq5av8Yb8OLDyTNyxMSQawTWApSZ7MQ4mDm5tk0WsA7FHB8mQ+mL1T8KINsMcAszfGJ5NgGj4FC4+x0erApiAD2A5gHpk37C/L/NZ2LdgkoQTYFGC5yZP9XAB7BDC9MXkwOTmKh32AAcwDs1tXm4yWaJR0yNecdWTWdyYgA9hGMLlJrWD2myTl6ZFNZq/ZaC+A9QCjjWoDCyhWIGvBYjSAXR8s31jwshjs+dkGkzsFC0qzAezaYC+q0oM9cimjeGBx21ECs3YCALs6WPy2SLyUUZ6f14LVTJoAdl0wDmUOjMv6rh08gAEshkq5Uhz7u3J3YbOUhn2AXRnMaylylYJZDYoHduq2AmCrwNpLgxEbwAC21I8f/HU7mAxmCeykk2+ANYMtWOFrL7IasHA7XSuAXQNMNg7bQynRNBM3wxKMbk8YSIB1B9uzZAtrrQXArgp2HBnAHhfsCDTeoZz0pGCAbQKzThgoR6sXWDr5noILYF3B9h7+82BTDvkA6w62LpqtBbDHBtsfDWDnBOMDKGWwvz4rt7r7opXBDmlbAVbJw/X6VbkXk2BEZr/FtSdbDdiOv08Aq4R6dcsPZgwWyMqXdumNlgOjdQLY8WAlpho0uWL1YIzW57QV/rFJsPA/gI0Ca8GSaOmzWCtbWzaMPqUpR0WVDgsEtvwLsBFgmuN2+zuplMwL5TowydY60BPU9+9vbzbYchtgY8B0IG+3wLX8mw+lByY3vxWslY2pQsVgAYjiCLBRYDZWnsse9nuBMVoOLix9+ywNxiGUYPS8ABsFprlutzxcLZjcoLTiDc7BSTzGko9fbhNQvA4AGwUmh3w52N+MKoXSBiuB1CynYrg3VRpM/9DiHwDAjgSzuF5feWjNoWkwa2XrQPLLbaR1YBtDCbANYAxyu8nJ7vJ9iUeg5VCmw7IfudxS/qCfhkopATYzGN/iKC63aHVlNBewNJR7gHE7IXlo+L/fYzKAzQoWR5MDSGC6yaBQ9gKz7iUDKVvWwHX/U5IMYHODSRD+d1nltI1Nh33dWMio1IDpFiEOZDwtuqsiNOuHBrA5wWQYbbBSKNeB6cbBOrBzN4rCCrBZwfR0iFZuuS1bCtm+bgUrc9mXO7rfPTJ7xwOw8WAhYGGFrDbCairCvePniy/XmGsa+gaSyQA2K1j49V/CZ7URmis8MjzKC2UJLI1fWvWB9MD0sL/pECLAmsGILFClEyK9wmEpPyp/GDFHlnL987vC7Sen7tmypkIdQwmwDaEMBw5jIjqUKC+PFu7lgcVk+pCfP9wz10IVwvVvVO/vZa5Dh32ArQKjgZWa1jSc1FQwmE9mHVb2GggNprkWsBIXwM4AFqZBEkfu0kPbIQf9/KlP7WB04Dnl2gImyTp1YgCrBIvfCCEwDqIMaDz5zoG1hlKChQ1fy+UdxoxbGoAdBabfauOJd4ifbFbTwzsEtj2UBEaBZLD395YBPzwXwOYEs05zoom4dVoKNRdWKJmsLpQMFgeSuOrA6Lns6ZlsmrvtJwHWBGaR8ekorWAtZAGMYGKw+gGfnw1g84CVyAJVfFBRDvnesB+T1YLRxrdycSB1KAE2G5hmS4d9zeWFsmXgp0OG67m8E+vSN/sANhJMT5UCGX9duJZ7xFw+WF0o6aC0DGR9w5py1YB12k8CrApMIoXpqxVO+k442KPB8mT5UMpASrA1A74e9tM3YugeADsKLJ6A8xtar2YFLAmYC6Uc+EtgvPn1b3rYgZShBNhcYGFIp5DFcPRGG0dV33PtJDw8ljefwGq4rEDKUGowuRxgI8E0nR7qeUewLP35VRZaeRIuuWTbug2MQpn7MQFsHFhoVV/dihsNJgtoPpm94vHmt4H5UQ+vC7A5wHQQAxejaKDwQWfJzGQp2r5gb28+CcDmALM+4sDRlGj6VtxWaDLZcNSBcVPR9taaH0qAzQkmB389DYoDHEPFZE9P/33WU1I5sJbT5/KBJDJ/CcDGgqWh1FzL/35mKoAFsjhGEs4Dqw1kPpbL8u6BBNhKsHi67b05IhsKa8BPwRYye3N18FrB8rHLLQXY0WC82XLSnYLx1zim7WApW3tTUb7QjL1845APsFVgvJk6grRRcviX3/eG/hqwmO39T9V9iCF8RLDUnlpgm7gAtiqQFphXBPkzW/VgKVsNGH/IGWAzg4UhVx5m1oO8zdUzkhZbHRh96MIf8lOwzdMigDWChZdPuawPM9gHd2wue2rUh42Wl8DoV6LrCAaw5kAGMKtVlS2FtTvwB/51gbRY/EDWgelQAuxYMLlqegJeKn/A7wOWpwxf6aOJtWBdhnyArQJjgNY/2+PVXmAc1XwobbANXADbGEluX2vBJN2v30WRJrR9wOhWHZj8YA3ARoDx5MhuL1rAFrI4sntxyWE/B8ah7HAkDGAdwNq5NBg3J/uCUSjtE4PldnZoKQC2CoyHzy2BDDC/okrbjF5g8f+81lVflrdDIAG2IZTe9HtdKK3qw6Yf7w/7GqxDIAG2Ccw6YaAnmA7qOi7r0t0WWMzTjQtgm8B6TY5a4LYFkkOZgsVb2e1vfANsJVh4YW4t2mPZArau4fDumYJpIICNBJOhjME+PquW6+OjDCaJaLPkgLAeLCbryAOwzqFkruXfD7M0FJUPFjPFA7N1wnAbVxrKXbkAtgFMnhTug3kVg8n40etYA3P86nT5Ba99qAHbmQtgK8BSshDNVrC4rFeyWsu4seHL+Fnr5YNR5Hce8AHWjYzaihawmtfJgcWXKpJsgTL/By7o8s+7cwFsFZn9K94XTJLJt8A0GJMxW+lUYX8gANgcYB5ZPVzdylo7//RCHxqt5hK4h2EBbDWZHvrjZXm62jhYO38rlDZaKZQAmxdMw/gX6fOq7VX092ywdAdwv+fIADY32FFl/cmCWrDJQgmwk1QODKEEWF+wbcP+g5ABbBPZ+mH/gcgA1hGsJZQPM/ADbCDYQ5ABrCuYJCsN+w9CBrANYFtD+RBkANtEVg4lGliA7QcWs8Wl0S7MBrCdwaxK4S6MNhfY/8uCHhWBzhAiAAAAtmVYSWZJSSoACAAAAAUAGgEFAAEAAABKAAAAGwEFAAEAAABSAAAAKAEDAAEAAAACAAAAMQECABAAAABaAAAAaYcEAAEAAABqAAAAAAAAAGAAAAABAAAAYAAAAAEAAABQYWludC5ORVQgNS4xLjkAAwAAkAcABAAAADAyMzABoAMAAQAAAAEAAAAFoAQAAQAAAJQAAAAAAAAAAgABAAIABAAAAFI5OAACAAcABAAAADAxMDAAAAAAKyH3J20IOU0AAAAldEVYdGRhdGU6Y3JlYXRlADIwMjUtMDktMTBUMDI6NTg6MjErMDA6MDD4fpKYAAAAJXRFWHRkYXRlOm1vZGlmeQAyMDI1LTA5LTEwVDAyOjU4OjI0KzAwOjAw2xsFgwAAACh0RVh0ZGF0ZTp0aW1lc3RhbXAAMjAyNS0wOS0xMFQwMjo1OTo0OSswMDowMMR0JyUAAAARdEVYdGV4aWY6Q29sb3JTcGFjZQAxD5sCSQAAABN0RVh0ZXhpZjpFeGlmT2Zmc2V0ADEwNnQv7b4AAAAVdEVYdGV4aWY6RXhpZlZlcnNpb24AMDIzMIpANPoAAAAfdEVYdGV4aWY6SW50ZXJvcGVyYWJpbGl0eU9mZnNldAAxNDjeEIrqAAAAHXRFWHRleGlmOlNvZnR3YXJlAFBhaW50Lk5FVCA1LjEuOQW3rOYAAAAodEVYdGV4aWY6dGh1bWJuYWlsOkludGVyb3BlcmFiaWxpdHlJbmRleABSOThmv6aAAAAAK3RFWHRleGlmOnRodW1ibmFpbDpJbnRlcm9wZXJhYmlsaXR5VmVyc2lvbgAwMTAwHtT5lAAAABh0RVh0U29mdHdhcmUAUGFpbnQuTkVUIDUuMS45bG7aPgAAAABJRU5ErkJggg==
// @match        *://www.youtube.com/*
// @match        *://m.youtube.com/*
// @match        *://www.youtube-nocookie.com/*
// @exclude      *://www.youtube.com/live_chat*
// @grant        none
// @run-at       document-idle
// @license      MIT
// ==/UserScript==

(function () {
    const POSSIBLE_RESOLUTIONS = {
        '8K': 'highres',
        '4K': 'hd2160',
        '1440p': 'hd1440',
        '1080p': 'hd1080',
        '720p': 'hd720',
        '480p': 'large',
        '360p': 'medium',
        '240p': 'small',
        '144p': 'tiny'
    }

    const PIXEL_TO_QUALITY = {
        '4320': 'highres',
        '2160': 'hd2160',
        '1440': 'hd1440',
        '1080': 'hd1080',
        '720': 'hd720',
        '480': 'large',
        '360': 'medium',
        '240': 'small',
        '144': 'tiny'
    }

    let defaultQuality = `hd1080`; // set the quality the player was using before switching it to avoid super-resolution qualities
    let oldResStorage = null;
    let lastPlayerResponse = null;
    let currentlyOverridingSR = false;

    function setDefaultRes() {
        let storedRes = JSON.parse(JSON.parse(localStorage.getItem("yt-player-quality")).data).quality
        if (storedRes) {
            oldResStorage = localStorage.getItem("yt-player-quality");
            defaultQuality = PIXEL_TO_QUALITY[storedRes]
            console.log(`Set default resolution to: ${storedRes}p (${defaultQuality})`);
        }
    }

    function getFirstNonSR(resolutions) {
        let sr_hit = false;
        for (const label of Object.keys(POSSIBLE_RESOLUTIONS)) {
            if (!resolutions.includes(label) && sr_hit) {
                return { res: POSSIBLE_RESOLUTIONS[label], res_label: label } ;
            }
            if (resolutions.includes(label)) sr_hit = true;
        }
        return null;
    }

    function checkFormats(value) {
        if (value.playabilityStatus?.paygatedQualitiesMetadata?.qualityDetails) {
            const superResQualities = value.playabilityStatus.paygatedQualitiesMetadata.qualityDetails.filter(
                q => q.value?.paygatedIndicatorText?.toLowerCase().includes("super resolution")
            );

            if (superResQualities.length > 0) {
                let sr = []
                superResQualities.forEach(q => {
                    sr.push(q.key)
                });
                console.log(`SR res: ${sr.join(", ")}`);
                let nonSR = getFirstNonSR(sr)
                if (nonSR) {
                    currentlyOverridingSR = true;
                    console.log(`Switching resolution to ${nonSR.res_label} (${nonSR.res})`);
                    setQuality(nonSR.res);
                    if (oldResStorage) localStorage.setItem("yt-player-quality", oldResStorage);
                    return;
                }
            }
        }

        if (currentlyOverridingSR) {
            console.log(`Switched to a non-SR video, restoring old quality (${defaultQuality})`);
            currentlyOverridingSR = false;
            setQuality(defaultQuality);
        }
    }

    function interceptPlayerResponse() {
        let currentValue = window.ytInitialPlayerResponse;

        Object.defineProperty(window, "ytInitialPlayerResponse", {
            configurable: true,
            enumerable: true,
            get() {
                return currentValue;
            },
            set(value) {
                currentValue = value;
                lastPlayerResponse = value;
                checkFormats(value);
                return value;
            }
        });

        if (currentValue) {
            lastPlayerResponse = currentValue;
            setDefaultRes();
            checkFormats(currentValue);
        }
    }

    function waitForPlayerResponse() {
        if (window.ytInitialPlayerResponse) {
            lastPlayerResponse = window.ytInitialPlayerResponse;
            checkFormats(lastPlayerResponse);
        } else {
            requestAnimationFrame(waitForPlayerResponse);
        }
    }

    interceptPlayerResponse();
    waitForPlayerResponse();

    document.addEventListener("yt-navigate-finish", () => {
        function waitForPlayer() {
            const player = document.querySelector("#movie_player");
            if (player && typeof player.getPlayerResponse === "function") {
                const response = player.getPlayerResponse();
                attachQualityListener();
                if (response) {
                    checkFormats(response);
                    return;
                }
            }
            requestAnimationFrame(waitForPlayer);
        }

        waitForPlayer();
    });

    function attachQualityListener() {
        const player = getPlayer();
        if (player && !player._qualityListenerAttached) {
            player._qualityListenerAttached = true;

            setTimeout(() => {
                player.addEventListener("onPlaybackQualityChange", (event) => {
                    if (!currentlyOverridingSR) setDefaultRes();
                });
            }, 1000); // Delay listener attachment by 1 second
        }
    }

    // helpers
    function getPlayer() {
        return document.querySelector("video")?.closest("#movie_player");
    }

    function getCurrentResolution() {
        const player = getPlayer();
        if (!player) return null;

        if (typeof player.getPlaybackQuality === "function") {
            return player.getPlaybackQuality();
        }

        return null;
    }

    function setQuality(q) {
        const player = getPlayer();
        if (!player) return;
        player.setPlaybackQualityRange(q, q);
        player.setPlaybackQuality(q);
    }
})();