Pretend to have HEVC codec.
// ==UserScript==
// @name Fake HEVC support for Bilibili HDR Video
// @author Jefferson "jscher2000" Scher, Ziyuan Guo
// @namespace bilibili-hdr
// @version 0.1
// @copyright Copyright 2019 Jefferson Scher, Copyright 2021 Ziyuan Guo
// @license BSD-3-Clause
// @description Pretend to have HEVC codec.
// @match https://www.bilibili.com/video/*
// @run-at document-start
// @grant none
// ==/UserScript==
var mse = window.MediaSource;
if (mse){
// Set up replacement for MediaSource type support function
var nativeITS = mse.isTypeSupported.bind(mse);
mse.isTypeSupported = ourITS(nativeITS);
}
// Here's the replacement
function ourITS(fallback){
// type is a string (hopefully!) sent by the page
return function (type) {
if (type === undefined) return '';
//console.log('testing for: '+ type);
// support HEVC
if (type.toLowerCase().indexOf('hev1') > -1 ||
type.toLowerCase().indexOf('hvc1') > -1 ||
type.toLowerCase().indexOf('hvt1') > -1) return true;
// Let Firefox handle everything else
return fallback(type);
};
}
