peter/Echo360-Super-Speed-Userscript
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1.1: Should work on chromium, uses MutationObserver for detecting script

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Peter 2024-07-25 06:25:24 +08:00
parent 3b5acf67ef
commit fdafb33389
2 changed files with 29 additions and 29 deletions
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2
README.md
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@ -6,7 +6,7 @@
### [Mirror (Greasyfork)](https://greasyfork.org/en/scripts/501694-echo360-super-speed)
Adds faster speed options (4x, 3x) to Echo360 player and allows the user to add their own speed options. NOTE: Only works on Firefox!
Adds faster speed options (4x, 3x) to Echo360 player and allows the user to add their own speed options.
![Dropdown with 4x and 3x speeds](superspeed.png)

54
echo360-super-speed.user.js
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@ -1,27 +1,26 @@
// ==UserScript==
// @name Echo360 Super Speed
// @namespace https://www.petertanner.dev/
// @description Adds faster speed options (4x, 3x) to Echo360 player and allows the user to add their own speed options. NOTE: Only works on Firefox!
// @description Adds faster speed options (4x, 3x) to Echo360 player and allows the user to add their own speed options.
// @include *://echo360.net.au/*
// @include *://echo360.org.uk/*
// @include *://echo360.org/*
// @include *://echo360.org.au/*
// @version 1
// @version 1.1
// @author Peter Tanner
// @namespace https://github.com/peter-tanner/Echo360-Super-Speed/
// @supportURL https://github.com/peter-tanner/Echo360-Super-Speed/issues
// @downloadURL https://github.com/peter-tanner/Echo360-Super-Speed/echo360-super-speed.user.js
// @updateURL https://github.com/peter-tanner/Echo360-Super-Speed/echo360-super-speed.user.js
// @namespace https://github.com/peter-tanner/Echo360-Super-Speed-Userscript/
// @supportURL https://github.com/peter-tanner/Echo360-Super-Speed-Userscript/issues
// @downloadURL https://github.com/peter-tanner/Echo360-Super-Speed-Userscript/echo360-super-speed.user.js
// @updateURL https://github.com/peter-tanner/Echo360-Super-Speed-Userscript/echo360-super-speed.user.js
// @license GPL-3.0
// @website https://www.petertanner.dev/
// @grant GM_xmlhttpRequest
// @run-at document-start
// ==/UserScript==
/* USER CUSTOMIZATION BEGIN */
// NOTE: Add (or remove) speeds to this array to your liking.
// Note that there is a browser set limit of 16x, and speeds above 4x are muted.
// https://searchfox.org/mozilla-central/rev/f1c881ba5603410dacbe52874053af38bd825c3b/dom/html/HTMLMediaElement.cpp#179-183
// https://searchfox.org/mozilla-central/rev/f1c881ba5603410dacbe52874053af38bd825c3b/dom/html/HTMLMediascript_Element.cpp#179-183
const selected_speeds = [4, 3, 2, 1.75, 1.5, 1.25, 1, 0.75];
// const selected_speeds = [2, 1.75, 1.5, 1.25, 1, 0.75, 0.5, 0.25]; // Default Echo360 speeds.
@ -51,21 +50,21 @@ const min_speed = Math.min(...selected_speeds);
var player_calling_context =
"console.error('Echo360 super speed failed to load :(')";
// This only works on firefox.
window.addEventListener("beforescriptexecute", (e) => {
const src = e.target.src;
if (src.search(/echoPlayerV2FullApp\.react-bundle\.js/) != -1) {
new MutationObserver(async (mutations, observer) => {
let script_elem = mutations
.flatMap((e) => [...e.addedNodes])
.filter((e) => e.tagName === "SCRIPT")
.find((e) => e.src.match(/echoPlayerV2FullApp\.react-bundle\.js/));
if (script_elem) {
// Do not load the unmodified player code
e.preventDefault();
e.stopPropagation();
observer.disconnect();
script_elem.remove();
// Download the player code for modification...
GM_xmlhttpRequest({
method: "GET",
url: e.target.src,
onload: (response) => {
var player_code = response.responseText;
await fetch(script_elem.src)
.then((e) => e.text())
.then((player_code) => {
player_code = player_code.replace(
// Overwrite all previous speeds in case the user wants to remove the
// default speeds
@ -90,22 +89,23 @@ window.addEventListener("beforescriptexecute", (e) => {
player_calling_context +
"; console.log('Echo360 super speed has successfully been loaded :3')";
// Create a new script tag containing the modified player
var new_script = document.createElement("script");
// Create a new script tag containing the modified player & add to head
const new_script = document.createElement("script");
new_script.type = "text/javascript";
new_script.textContent = player_code;
var head = document.getElementsByTagName("script")[4];
head.append(new_script);
},
document.getElementsByTagName("head")[0].append(new_script);
});
}
}).observe(document, {
childList: true,
subtree: true,
});
window.addEventListener(
"load",
() => {
const script_tags = document.getElementsByTagName("script");
player_calling_context = script_tags[script_tags.length - 1].innerText;
const script_elems = document.getElementsByTagName("script");
player_calling_context = script_elems[script_elems.length - 1].innerText;
},
false
);