Simple HTML5 video player

Replaces any default HTML5 player with custom controls

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Simple HTML5 video player
// @description  Replaces any default HTML5 player with custom controls
// @grant        GM_addStyle
// @include *
// @run-at document-load
// @version 8
// @namespace https://greasyfork.org/users/3167
// @license MIT
// ==/UserScript==

var videowrapper_init = false;

function HHMMSS(num) {
    num = num || 0;
    var sec_num = Math.floor(num);

    var hours   = Math.floor(sec_num / 3600);
    var minutes = Math.floor((sec_num - (hours * 3600)) / 60);
    var seconds = sec_num - (hours * 3600) - (minutes * 60);

    if (hours   < 10) {hours   = "0"+hours;}
    if (minutes < 10) {minutes = "0"+minutes;}
    if (seconds < 10) {seconds = "0"+seconds;}

    if (hours<1) {
        return minutes+':'+seconds;
    }
    return hours+':'+minutes+':'+seconds;
}

function fs_status() {
    if (document.fullscreenElement) {
        return 1;
    }
    else if (document.webkitFullscreenElement) {
        return 1;
    }
    else if (document.mozFullScreenElement) {
        return 1;
    }
    else return -1;
}

function init_videowrapper() {

    var videos = document.getElementsByTagName('video');
    for (var i=0; i<videos.length; i++) {

        (function(video) {
            if (video.controls==true && !video.iswrapped) {
                var spacing = 4;
              
                var computedStyle = window.getComputedStyle(video);
              
                video.controls_timeout=false;
              
				
                video.controls=false;
                video.iswrapped=true;

                var videowrapper = document.createElement('videowrapper');
                videowrapper.className=video.className;

                var showui = function() {
                    videowrapper.classList.add("showui");
                }
                var hideui = function() {
                    videowrapper.classList.remove("showui");
                }
                var peekui = function(duration) {
                    duration = duration || 1000;
                  
                    showui();
                    if (video.controls_timeout) {
                      clearTimeout(video.controls_timeout);
                    }
                    
                    video.controls_timeout = setTimeout(hideui, duration);
                }
              
			                  
                var showosd = function() {
                    videowrapper.classList.add("showosd");
                }
                var hideosd = function() {
                    videowrapper.classList.remove("showosd");
                }
                var peekosd = function(duration) {
                    duration = duration || 1000;
                  
                    showosd();
                    if (video.osd_timeout) {
                      clearTimeout(video.osd_timeout);
                    }
                    
                    video.osd_timeout = setTimeout(hideosd, duration);
                }
				
				var setosd = function(content) {
					videowrapper.setAttribute("data-osd", content)
				}
					
				setosd('Loading'); 
			  
                if (computedStyle.position == "absolute") {
                  videowrapper.className="absolute";
                } else {
                  videowrapper.className="relative";
                }
              
                if (video.height>0) {
                  videowrapper.style.height=video.height;
                }                
                if (video.width>0) {
                  videowrapper.style.width=video.width;
                }
              
                video.classList.add("iswrapped");

                if (video.parentNode==document.body && document.body.childNodes.length==1) {
                    //document.body.style.display="flex";
                    //document.body.style.alignItems="center";
                    //document.body.style.justifyContent="center";
                    //document.body.style.margin="auto";
                    //document.body.style.height="100vh";
					document.body.className="videobody";
                }

                if (video.parentNode!=videowrapper) { 
                    video.parentNode.insertBefore(videowrapper, video); 
                    videowrapper.appendChild(video);
                }

                var controls = document.createElement('controls');
                video.parentNode.insertBefore(controls, video.nextSibling);

                var playbutton = document.createElement('button');
                controls.appendChild(playbutton);
                playbutton.innerHTML="&#x25b6;";

                playbutton.style.left = spacing + "px";

                var timestamp = document.createElement('span');
                controls.appendChild(timestamp);
                timestamp.innerHTML="0:00/0:00";

                timestamp.style.left = (spacing + playbutton.clientWidth + spacing) + "px";

              
                var fsbutton = document.createElement('button');
                controls.appendChild(fsbutton);
                fsbutton.innerHTML="&#x25a1;";

                fsbutton.style.right = spacing + "px";

                var volumebar = document.createElement('input');
                controls.appendChild(volumebar);
                volumebar.type="range";
                volumebar.min=0;
                volumebar.max=1;

                volumebar.step=0.01;
                volumebar.value=0.5;
                volumebar.innerHTML="";

                volumebar.style.width="50px";
                volumebar.style.right= (spacing + fsbutton.clientWidth + spacing) + "px";

                            
                var mutebutton = document.createElement('button');
                controls.appendChild(mutebutton);
                mutebutton.innerHTML="&#x1f50a;";
                mutebutton.style.right=(spacing + volumebar.clientWidth + spacing + fsbutton.clientWidth + spacing) + "px";

              
                var seekbar = document.createElement('input');
                controls.appendChild(seekbar);
                seekbar.type="range";
                seekbar.value=0;
                seekbar.step=0.01;
                seekbar.innerHTML="";

                seekbar.hidden = true;

                var header = document.createElement('header');
                video.parentNode.insertBefore(header, video.nextSibling);

                var label = document.createElement('label');
                header.appendChild(label);
                label.innerHTML="Loading...";

                /*
			var savebutton = document.createElement('a');
			controls.appendChild(savebutton);
			savebutton.innerHTML="&#x1f847;";
			savebutton.style.lineHeight="32px";
			savebutton.style.position="absolute";
			savebutton.style.right="8px";
			savebutton.style.bottom="0";
			savebutton.style.border="none";
			savebutton.style.paddingTop="0";
			savebutton.style.paddingBottom="0";
			savebutton.style.paddingLeft="4px";
			savebutton.style.paddingRight="4px";
			savebutton.style.background="none";
			savebutton.style.fontFamily="Segoe UI Symbol";
			savebutton.style.fontSize="18px";
			savebutton.style.margin="0";
			savebutton.style.height="32px";

			savebutton.href=video.currentSrc;
			savebutton.download="";
				
*/
				var playvideo = function() {
					video.play();						
					if (video.livemode) {
						video.currentTime = video.duration - 3;
					}
				}

                playbutton.addEventListener("click", function() {
                    if (video.paused == true) {
                        playvideo();
                    } else {
                        video.pause();
                    }
					
                });

                video.addEventListener("click", function() {
					if (video.paused == true) {
						playvideo();
					} else {
						if (!video.livemode) {
							video.pause();
						}
					}
                });

                video.addEventListener("play", function() {					
					setosd(playbutton.innerHTML);
					peekosd(1000);
					
                    playbutton.innerHTML = "&#10074;&#10074;";
                    //controls.className="playing";
                    videowrapper.classList.remove("paused");
                    videowrapper.classList.add("playing");

                });

                video.addEventListener("pause", function() {					
					setosd(playbutton.innerHTML);
					peekosd(3000);
					
                    playbutton.innerHTML = "&#x25b6;";
                    //controls.className="paused";
                    videowrapper.classList.remove("playing");
                    videowrapper.classList.add("paused");
                });
				
				var updatetimestamp = function() {
					if (video.livemode) {
						var buffer = Math.round(video.duration - video.currentTime);
						timestamp.innerHTML = "Buffer: " + buffer + "s";
					} else {
						timestamp.innerHTML = HHMMSS(video.currentTime) + "/" + HHMMSS(video.duration);
					}
				}

                video.addEventListener("timeupdate", function() {
					updatetimestamp();
                });

                video.addEventListener("durationchange", function() {
                    updatetimestamp();
                });

                mutebutton.addEventListener("click", function() {
                    if (video.muted == false) {
                        video.muted = true;
                    } else {
                        video.muted = false;
                    }
                });

                var togglefs = function() {
                    if (fs_status()>0) {
                        if (document.exitFullscreen) {
                            document.exitFullscreen();
                        } else if (document.webkitExitFullscreen) {
                            document.webkitExitFullscreen();
                        } else if (document.mozCancelFullScreen) {
                            document.mozCancelFullScreen();
                        } else if (document.msExitFullscreen) {
                            document.msExitFullscreen();
                        }
                    }
                    else {

                        if (videowrapper.requestFullscreen) {
                            videowrapper.requestFullscreen();
                        } else if (videowrapper.mozRequestFullScreen) {
                            videowrapper.mozRequestFullScreen(); // Firefox
                        } else if (videowrapper.webkitRequestFullscreen) {
                            videowrapper.webkitRequestFullscreen(); // Chrome and Safari
                        }
                    }
                };
              
                fsbutton.addEventListener("click", togglefs);
              
                videowrapper.addEventListener("dblclick", togglefs);

                seekbar.addEventListener("input", function() {
                    var time = video.duration * (seekbar.value / 100);
                    video.currentTime = time;

                });


                video.addEventListener("timeupdate", function() {
                    var value = (100 / video.duration) * video.currentTime;
                    var progress = (video.currentTime / video.duration);
                    seekbar.value = value;
                    //seekbar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + progress + ', var(--range-progress-color)), color-stop(' + progress + ', var(--range-background-color)))';
                });

                var updatebuffer = function() {
								
					if (video.duration == Infinity || video.hls || video.livemode) {
						video.livemode = true;
					}
				
					if (video.livemode) {
						seekbar.hidden = true;
						
						label.innerHTML = "Live";
					} else {
					
						var start = video.buffered.length>0 ? ( video.buffered.start(0) / video.duration) : 0;
						var end = video.buffered.length>0 ? (video.buffered.end(0) / video.duration) : 0;
					  
						seekbar.hidden = false;
					  
						seekbar.style.left = (spacing + playbutton.clientWidth + spacing + timestamp.clientWidth + spacing) + "px";
						seekbar.style.right= (spacing + mutebutton.clientWidth + spacing + volumebar.clientWidth + spacing + fsbutton.clientWidth + spacing) + "px";
						seekbar.style.width='calc(100% - ' + seekbar.style.left + ' - ' + seekbar.style.right + ')';
					  
						seekbar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + start + ', var(--range-background-color)), color-stop(' + start + ', var(--range-progress-color)), color-stop(' + end  + ', var(--range-progress-color)), color-stop(' + end + ', var(--range-background-color)))';

						if (video.currentSrc && video.currentSrc.length>0) {
							label.innerHTML = decodeURIComponent(video.currentSrc.split("/").pop());
						}
					}

					if (video.videoHeight>0) {
						videowrapper.classList.remove("audiomode");
						videowrapper.classList.add("videomode");
					} else {
						videowrapper.classList.remove("videomode");
						videowrapper.classList.add("audiomode");
					}

                };

                video.addEventListener("timeupdate", updatebuffer);
                video.addEventListener("canplay", updatebuffer);
                video.addEventListener("progress", updatebuffer);
                video.addEventListener("canplaythrough", updatebuffer);

                seekbar.addEventListener("mousedown", function() {
                    seekbar.paused = video.paused;
                    video.pause();
                });

                // Play the video when the slider handle is dropped
                seekbar.addEventListener("mouseup", function() {
                    if (!seekbar.paused) {
                        video.play();
                    }
                });

                volumebar.addEventListener("input", function() {
                    video.volume = volumebar.value;     			
                });
                
                video.addEventListener('wheel', function(e) {
                    e.preventDefault();
                    var volumedelta = 0.10;
                    if (e.deltaY < 0) {
                        video.volume = Math.min(video.volume+volumedelta, 1);
                    }
                    if (e.deltaY > 0) {
                        video.volume = Math.max(video.volume-volumedelta, 0);
                    }
                    volumebar.value = video.volume;

					var volumedata = Math.round(video.volume*100) + "%";

					setosd(volumedata);
					peekosd(1000);
                });
             

                var updatevolume = function() {
                    if (video.muted || video.volume==0) {
                        mutebutton.innerHTML = "&#x1f507;";
                    } else {
                        mutebutton.innerHTML = "&#x1f50a;";
                    }
                    volumebar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + video.volume + ', var(--range-progress-color)), color-stop(' + video.volume + ', var(--range-background-color)))';
                    
                    localStorage.setItem("videovolume", video.volume);

                }

                video.addEventListener("volumechange", updatevolume);

                volumebar.value = localStorage.getItem("videovolume", video.volume);
                video.volume = volumebar.value;

                videowrapper.addEventListener("mousemove", function() {
                    peekui(1000);
                    //seekbar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + progress + ', var(--range-progress-color)), color-stop(' + progress + ', var(--range-background-color)))';
                });

              
              
                updatebuffer();
              
                updatevolume();

                //seekbar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + seekbar.value / 100 + ', var(--range-progress-color)), color-stop(' + seekbar.value / 100 + ', var(--range-background-color)))';
                //volumebar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + video.volume + ', var(--range-progress-color)), color-stop(' + video.volume + ', var(--range-background-color)))';
            }
        })(videos[i])
    }
}

var stylesheet = `
body.videobody {
    height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
}
videowrapper button {
    font-family: "Segoe UI Symbol", system-ui, sans-serif !important;
}
videowrapper label, videowrapper:before {
    font-family: system-ui, sans-serif !important;
}
videowrapper {
	--background-color: rgba(0, 0, 0, 0.5);
    --controls-color: #dcdcdc;
    --range-progress-color: #8c8c8c;
    --range-background-color: #3c3c3c;

    display: block;
    font-size: 0px;

    position: relative;
	width: auto;
    height: auto;
    background: inherit;
}
videowrapper.absolute {
    display: flex;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
.videobody videowrapper.absolute {
    position: relative;
}
videowrapper video.iswrapped {
    position: relative;
    max-height: 100vh;
}
videowrapper:-webkit-full-page-media {
    width: auto;
    height: auto;
}
videowrapper:-webkit-full-screen {
    width: 100%;
    height: 100%;
}
videowrapper video::-webkit-media-controls-enclosure {
  display:none !important;
}
videowrapper:-webkit-full-screen controls,
videowrapper:-webkit-full-screen header {
  z-index: 2147483647;
}

videowrapper controls > *,
videowrapper header > * {
    color: var(--controls-color);
    /* mix-blend-mode: difference; */
    background: none;
    outline: none;
    line-height: 32px;
    position: absolute;
    font-family: monospace;
}

videowrapper controls,
videowrapper header {
    overflow: hidden;
    white-space: nowrap;

	transition: all 0.5s ease !important;
    background: var(--background-color) !important;
    height: 32px !important;
    width: 100% !important;
    display: block !important;
    position: absolute !important;
    cursor: default !important;
    font-size: 18px !important;
    user-select: none;
}
videowrapper controls {
    bottom: 0px !important;
}
videowrapper header {
    top: 0px !important;
}

videowrapper controls,
videowrapper header {
	opacity: 1;
}
videowrapper.playing controls,
videowrapper.playing header {
	opacity: 0;
}
videowrapper controls:hover, videowrapper.showui controls, videowrapper.paused controls, videowrapper.audiomode controls,
videowrapper header:hover, videowrapper.showui header, videowrapper.paused header, videowrapper.audiomode header {
	opacity: 1;
}
videowrapper button, videowrapper label {
    line-height: 32px !important;
    position: absolute !important;
    bottom: 0px !important;
    background-color: none !important;
    font-size: 18px !important;
    height: 32px !important;
    border: none !important;
    margin: 0 !important;
}
videowrapper button {
    width: 32px !important;	
    padding: 0 !important;
}
videowrapper input[type=range] {
    line-height: 32px !important;
    position: absolute !important;
    background-color: var(--range-background-color) !important;

    bottom: 10px !important;
    height: 10px !important;
    border: none !important;
    margin: 0px !important;
    border-radius: 6px !important;
    -webkit-appearance: none !important;
}
videowrapper input[type='range']::-webkit-slider-thumb {
    -webkit-appearance: none !important;
    background-color: var(--controls-color);
    border: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
}

videowrapper.audiomode video:-webkit-full-page-media {
    width: 600px;
}
videowrapper:before {
    content: attr(data-osd);
    position: absolute;
    left: 50%;
    top: calc(50%);
    color: white;
	-webkit-text-stroke: 3px #333333;
    font-size: 64px;
	font-weight: bold;
    font-style: normal;
    z-index: 1;
    transform: translate(-50%, -50%);
    pointer-events: none;
	opacity: 0;
}
videowrapper.audiomode:before, 
videowrapper.showosd:before, 
videowrapper.paused:before {
	opacity: 1;
}
videowrapper label {
    right: 0;
    min-width: 100%;
    text-align: left;
    box-sizing: border-box;
	width: 100% !important;	
    padding: 0px 8px !important;
}
`;

function init() {
	if (videowrapper_init) {
		console.log("Cannot init_videowrapper twice!");
		return;
	}
	videowrapper_init = true;
	
	if (typeof GM_addStyle != "undefined") {
	  GM_addStyle (stylesheet);
	} else {
	  var css = document.createElement("style");
	  css.type = "text/css";
	  css.innerHTML = stylesheet;
	  document.head.appendChild(css);
	}

	init_videowrapper();
	if (typeof unsafeWindow != "undefined") {
	  unsafeWindow.init_videowrapper = init_videowrapper;
	}
}

init();