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<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" media="screen"/>
<title>YouTube Recutter</title>
<style type="text/css">
td, th { padding: 0.5em; }
input.timebox { width: 5em; }
button { margin: 0.25em; }
</style>
<script type="text/javascript">
function onlyUnique(value, index, self) {
return self.indexOf(value) === index;
}
// read a cutlist and turn it into a URL fragment string
// format: #ytid,ytid,ytid:i-e-s,i-e-s,i-e-s
// - ytid is a youtube video id
// - i is an index into the list of ytids
// - s is a start time in decimal seconds
// - e is an end time in decimal seconds
function frag_make(cutlist) {
var vid_list = cutlist.map(function(x) {return x.id}).concat([video_id]).filter(onlyUnique);
var cuts = cutlist.map(function(x) {
return {id: vid_list.indexOf(x.id),
start: x.start,
end: x.end}});
var frag = vid_list.join(",") + ":" +
cuts.map(function(x) { return [x.id, x.start, x.end].join("-") }).join(",") + ":" +
($("#repeat-p")[0].checked ? "r" : "");
return frag;
}
// read a URL fragment string and turn it into a cutlist
function frag_parse(frag) {
var vc
vc = (frag + "::").split(":");
var vids = vc[0].split(",");
var cuts = vc[1].split(",");
var flags = vc[2].split("");
$("#repeat-p")[0].checked = (flags.indexOf("r") != -1);
var cutlist = cuts.map(function(x) { ise = x.split("-");
return {id:vids[+ise[0]], start:+ise[1], end:+ise[2]}; })
return cutlist;
}
</script>
</head>
<body>
<a href="https://github.com/chronomex/youtube-remixer"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/652c5b9acfaddf3a9c326fa6bde407b87f7be0f4/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6f72616e67655f6666373630302e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_orange_ff7600.png"></a>
<div class="container">
<div class="page-header">
<h1>YouTube Recutter</h1>
<p class="lead">Create and share an edit of a YouTube video</p>
</div>
<div class="col-md-9">
<div id="player">
<label>Paste link to video:
<input type="text" id="video-link"/>
</label>
<button id="load-button" disabled="true" onclick="load_video_button();">load</button>
</div>
</div>
<div class="col-md-3">
<button id="play-button" onclick="play_from_cutlist();">play this cut ></button>
<hr/>
<button id="go-button" onclick="b_grab();">cut here!</button>
<button id="add-button" onclick="cutlist_append_empty();">add a blank cut</button>
<button id="share-button" onclick="b_share();">save to url</button>
<label><input type="checkbox" id="repeat-p"> repeat</label>
<hr/>
<table class="table" id="cutlist">
<caption>Cut list (seconds)</caption>
<thead>
<tr><th>from</th><th>to</th></tr>
</thead>
<tbody></tbody>
</table>
<p>copyright by chronomex, 2015. all rights reserved.</p>
</div>
</div>
<script type="text/javascript">
// 2. This code loads the IFrame Player API code asynchronously.
var tag = document.createElement('script');
tag.src = "https://www.youtube.com/iframe_api";
var firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
// 3. This function creates an iframe (and player)
// after the API code downloads.
var player;
function onYouTubeIframeAPIReady() {
$("#load-button")[0].disabled = false;
if (video_id) {
load_video();
}
}
var video_id;
function load_video_button() {
var video_url = $("#video-link")[0].value;
video_id = video_url.match(/(?:youtu\.be\/|[?&]v=)([-_A-Za-z0-9]*)/)[1];
load_video();
}
function load_video() {
player = new YT.Player('player', {
height: '390',
width: '640',
events: {
'onReady': onPlayerReady,
}
});
}
// 4. The API will call this function when the video player is ready.
function onPlayerReady(event) {
player.cueVideoById(video_id);
}
// 5. The API calls this function when the player's state changes.
function onPlayerStateChange(event) {
}
function cutlist_append_empty() {
var row = '<tr><td><input type="number" min="0" class="b-start timebox" name="start"/></td><td><input type="number" min="0" class="b-end timebox" name="end"/></td></tr>';
$("#cutlist tbody").append(row);
return $("#cutlist tbody tr").last()[0];
}
function add_start(time) {
var row = cutlist_append_empty()
row.className = "cut-active";
$(row).find(".b-start")[0].value = time;
}
function add_end(time) {
$(".cut-active .b-end")[0].value = time;
$(".cut-active")[0].className = "";
}
function b_grab() {
row = $(".cut-active").last();
time = Math.round(player.getCurrentTime()*100.)/100.
if (row.size() == 0) { // no cuts are active
add_start(time);
player.playVideo();
} else {
player.pauseVideo();
add_end(time);
}
return;
}
function cutlist_make() {
var cutlist = $("#cutlist tr").get()
.filter(function(x) { return $(x).find("input").size() != 0 })
.map(function(x) {
return {
start: +($(x).find("td input.b-start")[0].value),
end: +($(x).find("td input.b-end")[0].value),
id: player.getVideoData().video_id
}
})
.filter(function(x) { return x.start != x.end; })
return cutlist;
}
function b_share() {
var cutlist = cutlist_make();
var frag = frag_make(cutlist);
history.pushState(null, "Video recut", "#" + frag);
}
var pending_cutlist = [];
function play_from_cutlist() {
player.pauseVideo();
pending_cutlist = cutlist_make();
player.seekTo(0, false);
player.seekTo(pending_cutlist[0].start, true);
player.playVideo();
playtime_check(0);
}
function playtime_check(t_now) {
if (player.getCurrentTime() >= pending_cutlist[0].end) {
// time to change time
pending_cutlist.shift();
if (pending_cutlist.length == 0) {
if ($("#repeat-p")[0].checked) {
// again again
pending_cutlist = cutlist_make();
} else {
// done playing
player.pauseVideo();
return;
}
}
player.seekTo(pending_cutlist[0].start, true);
}
// wait for a bit and check the time
window.requestAnimationFrame(playtime_check);
}
function load_cutlist_from_url() {
if (window.location.hash.length == 0)
return;
var cutlist = frag_parse(window.location.hash .replace("#", ""));
cutlist.forEach(function(x) {
add_start(x.start);
add_end(x.end);
});
video_id = cutlist[0].id;
load_video();
}
load_cutlist_from_url();
</script>
</body>
</html>
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