beminee

// Inspired from https://gist.github.com/khenidak/49cf6f5ac76b608c9e3b3fc86c86cec0
// Enqueue: O(log n), because we might need to "bubble up" the new element to its proper place in the heap.
// Dequeue: O(log n), because we remove the top element and then "bubble down" the swapped element to its proper place.
// Peek: O(1), since we're just returning the top element.

    public class ThreadSafePriorityQueue<TItem, TPriority> where TItem : class where TPriority : IComparable<TPriority>
    {
        private IComparer<TPriority> comparer;
        private List<KeyValuePair<TItem, TPriority>> list = new List<KeyValuePair<TItem, TPriority>>();
        private ReaderWriterLockSlim rwLock = new ReaderWriterLockSlim();

beminee

Ubuntu 16.04 Installation:

Installing prerequisites

sudo su
apt-get update
apt-get install default-jdk

beminee

// ==UserScript==
// @name        Volume to speed
// @author      Satan
// @namespace   youtube.com
// @description YouTube videos change playback speed based on the current volume. Fun.
// @include     https://www.youtube.com/watch?v=*
// @version     1.0
// @grant       none
// ==/UserScript==