YouTube - Aktuelle Lautstärke anzeigen

Zeigt die Lautstärke an, wenn sie sich ändert.

Skript installieren?
Vom Ersteller vorgeschlagenes Skript

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Skript installieren

Du musst eine Erweiterung wie Tampermonkey, Greasemonkey oder Violentmonkey installieren, um dieses Skript zu installieren.

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 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.

Sie müssten eine Skript Manager Erweiterung installieren damit sie dieses Skript installieren können

(Ich habe schon ein Skript Manager, Lass mich es installieren!)

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               YouTube - Display current volume
// @name:fr            YouTube - Afficher le volume actuel
// @name:es            YouTube - Mostrar el volumen actual
// @name:de            YouTube - Aktuelle Lautstärke anzeigen
// @name:it            YouTube - Visualizza il volume corrente
// @name:zh-CN         YouTube - 显示当前音量
// @namespace          https://gist.github.com/4lrick/7a069ce704be9ac95f00d8fb9c2c9bb2
// @version            1.4
// @description        Displays the volume when it's changing.
// @description:fr     Affiche le volume lorsqu'il change.
// @description:es     Muestra el volumen cuando cambia.
// @description:de     Zeigt die Lautstärke an, wenn sie sich ändert.
// @description:it     Visualizza il volume quando cambia.
// @description:zh-CN  显示音量变化。
// @author             4lrick
// @match              https://www.youtube.com/*
// @icon               https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant              none
// @license            GPL-3.0-only
// ==/UserScript==

(function() {
    'use strict';

    let volumeDisplayTimeout;
    let lastMutedState;

    const VOLUME_DISPLAY_ID = 'ytp-video-volume';
    const VOLUME_DISPLAY_DURATION = 1000;
    const VOLUME_DISPLAY_STYLE = {
        position: 'absolute',
        top: '10%',
        left: '50%',
        transform: 'translateX(-50%)',
        textAlign: 'center',
        background: 'rgba(0, 0, 0, 0.5)',
        color: '#eee',
        fontSize: '175%',
        zIndex: '19',
        padding: '10px 20px',
        borderRadius: '3%'
    };

    function createVolumeDisplay() {
        const volumeDisplay = document.createElement('div');

        volumeDisplay.id = VOLUME_DISPLAY_ID;
        Object.assign(volumeDisplay.style, VOLUME_DISPLAY_STYLE);

        return volumeDisplay;
    }

    function displayVolume(player) {
        let volumeDisplay = document.getElementById(VOLUME_DISPLAY_ID) || player.appendChild(createVolumeDisplay());

        if (player.isMuted() !== lastMutedState) {
            lastMutedState = player.isMuted();
            volumeDisplay.style.display = 'none';
            return;
        }

        volumeDisplay.textContent = `${player.getVolume()}%`;
        volumeDisplay.style.display = 'block';

        clearTimeout(volumeDisplayTimeout);
        volumeDisplayTimeout = setTimeout(() => {
            volumeDisplay.style.display = 'none';
        }, VOLUME_DISPLAY_DURATION);
    }

    function checkVideoExists() {
        const videoElement = document.querySelector('video');
        const player = document.getElementById('movie_player');

        if (!videoElement || !player) return;

        lastMutedState = player.isMuted();
        videoElement.addEventListener('volumechange', () => displayVolume(player));
        observer.disconnect();
    }

    const observer = new MutationObserver(checkVideoExists);
    observer.observe(document.body, { childList: true, subtree: true });
})();