Shows the play position of the video from the start of a livestream. When watching at the live position, this should be the uptime.
// ==UserScript==
// @name Youtube live play uptime counter
// @description Shows the play position of the video from the start of a livestream. When watching at the live position, this should be the uptime.
// @author Portablejim
// @namespace https://github.com/portablejim/GMScripts
// @version 1
// @license GPL
// @grant none
// @match https://www.youtube.com/watch*
// ==/UserScript==
(function() {
'use strict';
document.addEventListener('yt-navigate-finish', () =>
{
if (document.querySelector('.ytp-live-badge') && document.querySelector('.ytp-live-badge').getAttribute('disabled') !== 'true')
{
let videoEl = document.querySelector('video');
let intervalId = setInterval(() => {
((time) => {
let liveUptimeEl = document.getElementById('liveUptime');
if(!liveUptimeEl)
{
// try to create the element
console.log('Uptime counter: Trying to add live uptime element');
let headingEl = document.querySelector('#title h1');
if(headingEl)
{
console.log('Uptime counter: Heading found');
let timeCodeEl = document.createElement('p');
timeCodeEl.id = 'liveUptime';
timeCodeEl.style.marginInlineStart = '16px';
timeCodeEl.timeoutId = intervalId;
headingEl.appendChild(timeCodeEl);
liveUptimeEl = timeCodeEl;
}
}
if(liveUptimeEl)
{
const SECONDS_IN_HOUR = 60*60;
if(time >= SECONDS_IN_HOUR)
{
liveUptimeEl.innerText = '[From start: ' + Math.floor(time/SECONDS_IN_HOUR).toFixed(0) + ':' + Math.floor((time/60)%60).toFixed(0).padStart(2, '0') + ':' + Math.floor(time % 60).toFixed(0).padStart(2, '0') + ']';
}
else
{
liveUptimeEl.innerText = '[From start: ' + Math.floor(time/60).toFixed(0) + ':' + Math.floor(time % 60).toFixed(0).padStart(2, '0') + ']';
}
}
})(videoEl.currentTime);
}, 200);
}
else
{
console.log('Uptime counter: Not a live video');
}
});
})();