// ==UserScript==
// @name         假装HDR
// @namespace    http://tampermonkey.net/
// @version      0.4
// @description  假装设备屏幕是HDR
// @author       TGSAN
// @run-at       document-start
// @match        *://*/*
// @grant        none
// ==/UserScript==
(function() {
'use strict';
let isDolbyVisionSupported = false;
try {
window.navigator.requestMediaKeySystemAccess("com.microsoft.playready", [
{
videoCapabilities: [
{ contentType: 'video/mp4; codecs="dvhe.05.01"' }
],
},
]).then((keySystemAccess) => {
isDolbyVisionSupported = true;
});
} catch {}
window.matchMediaFakeHDROriginal = window.matchMedia;
window.matchMedia = function(...args) {
let arg = args[0].replaceAll(" ","");
// console.log(arg);
if (arg.indexOf("color-gamut:p3") !== -1 || arg.indexOf("color-gamut:rec2020") !== -1 || arg.indexOf("dynamic-range:high") !== -1 || arg.indexOf("video-dynamic-range:high") !== -1) {
return {
matches: true,
media: arg
};
}
return window.matchMediaFakeHDROriginal(...args);
};
if (window.screen.colorDepth < 48) {
Object.defineProperty(window.screen, 'colorDepth', {
value: 48
});
}
if (window.MediaSource) {
window.MediaSource.isTyp###pportedFakeHDROriginal = window.MediaSource.isTyp###pported;
window.MediaSource.isTyp###pported = function (mimeType) {
let r = this.isTyp###pportedFakeHDROriginal(mimeType);
if (r === false) {
if (mimeType.indexOf("dvh1") !== -1 || mimeType.indexOf("dvhe") !== -1) {
return isDolbyVisionSupported;
}
}
return r;
}
}
})();