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index.html
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<!DOCTYPE html>
<html>
<head>
<script src="../TimedText/TimedText.js"></script>
<script src="../TimedText/Cue.js"></script>
<script src="../TimedText/Track.js"></script>
<script src="../TimedText/WebVTT.js"></script>
<script src="../TimedText/SRT.js"></script>
<script src="../Ayamel.js/Ayamel.js"></script>
<script src="../Ayamel.js/Text.js"></script>
<script src="../Ayamel.js/Caption.js"></script>
<script src="../EditorWidgets/CommandStack.js"></script>
<script src="../EditorWidgets/Save.js"></script>
<script src="../EditorWidgets/LocalFiles.js"></script>
<script src="Timeline.js"></script>
<script src="Slider.js"></script>
<script src="TimelineSkin.js"></script>
<script src="TimelineView.js"></script>
<script src="TextTrack.js"></script>
<script src="WaveForm.js"></script>
<script src="AudioTrack.js"></script>
<script src="Resampler.js"></script>
<script src="aurora.js"></script>
<script src="mp3.js"></script>
</head>
<style type="text/css">
body {
margin: 0;
padding: 0;
}
#video {
background: grey;
position: relative;
height: 300px;
width: 500px;
}
#editor, #linediv {
display: none;
}
#cue_text {
width: 40%;
height: 6em;
overflow: auto;
border: 1px solid black;
}
#left, #right {
margin-top: 20px;
float: left;
width: 50%;
height: 400px;
}
</style>
<body>
<div id="left">
Add caption track: <input type="file" id="vttfile" /><button id="tbtn">Empty Track</button><button id="ubtn">From URL</button><br/>
Add audio track: <input type="file" id="audiofile" /><br/><br/>
<center>
<div id="editor">
Title: <input type="text" id="cue_id"/><br/>
<div id="cue_text" contentEditable="true"></div><br/>
<table style="text-align:center;border: 1px solid black;">
<tr><td><label for="cue_align">Alignment:</label></td><td/><td><label for="cue_snap">Positioning:</label></td></tr>
<tr>
<td>
<select id="cue_align">
<option value="start">Start</option>
<option value="middle" selected>Middle</option>
<option value="end">End</option>
</select>
</td><td>
<button id="fbtn">Flip</button>
</td><td>
<select id="cue_snap">
<option value="auto">Auto</option>
<option value="snap">Snap-to-Lines</option>
<option value="percent">Percent</option>
</select>
</td>
</tr>
<tr id="linediv">
<td colspan=3>
<label for="cue_line">Line Position</label>
<input id="cue_line" type="range" value=0/>
</td>
</tr>
<tr><td><label for="cue_pos">Indentation</label></td><td/><td><label for="cue_size">Caption Size</label></td></tr>
<tr><td><input id="cue_pos" type="range" value=50/></td><td/><td><input id="cue_size" type="range" value=100 min=0 max=100 /></td></tr>
</table>
</center>
</div>
</div>
<div id="right">
<div id="video"></div>
<audio id="controls" controls="controls">
<source src="music.ogg" type="audio/ogg" />
<source src="music.mp3" type="audio/mp3" />
Your browser does not support the audio tag.
</audio><br />
</div>
<button id="selb">SELECT</button>
<button id="movb"> MOVE </button>
<button id="creb">CREATE</button>
<button id="delb">DELETE</button>
<button id="repb">REPEAT</button>
<button id="scrb">SCROLL</button>
<button id="ordb">ORDER</button>
<button id="undb"> UNDO </button>
<button id="redb"> REDO </button>
<button id="savs"> Save to Server </button>
<button id="savl"> Save Locally </button>
<select id="activetracks" multiple></select>
<div id="tl"></div>
<script type="text/javascript">
var timeline, t_count = 0,
target = document.getElementById("tl"),
video = document.getElementById("video"),
editor = document.getElementById("editor"),
controls = document.getElementById("controls"),
atracks = document.getElementById("activetracks");
var curseg = null,
caption = null, captions = {},
id_el = document.getElementById("cue_id"),
text_el = document.getElementById("cue_text"),
align_el = document.getElementById("cue_align"),
snap_el = document.getElementById("cue_snap"),
line_form = document.getElementById("linediv"),
line_el = document.getElementById("cue_line"),
pos_el = document.getElementById("cue_pos"),
size_el = document.getElementById("cue_size");
function id_change(){
var id;
if(!curseg) return;
id = this.value;
curseg.id = id;
this.dir = Ayamel.Text.getDirection(id);
}
function text_change(){
var text;
if(!curseg) return;
text = this.innerHTML;
curseg.text = text;
this.dir = Ayamel.Text.getDirection(text);
caption.displayed && caption.display(video);
}
function line_change(){
if(!curseg) return;
curseg.cue.rawLine = this.valueAsNumber;
caption.displayed && caption.display(video);
}
function pos_change(){
if(!curseg) return;
curseg.cue.position = this.value+"%";
caption.displayed && caption.display(video);
}
function size_change(){
if(!curseg) return;
curseg.cue.size = this.value+"%";
caption.displayed && caption.display(video);
}
function align_change(){
if(!curseg) return;
curseg.cue.align = this.value;
caption.displayed && caption.display(video);
}
function snap_change(){
if(!curseg) return;
var cue = curseg.cue;
if(this.value === "auto"){
cue.snapToLines = true;
cue.rawLine = "auto";
line_form.style.display = "none";
}else{
cstyle = getComputedStyle(caption.el);
vheight = video.clientHeight;
switch(this.value){
case "percent":
cue.snapToLines = false;
cue.rawLine = cue.rawLine==='auto'?100:0;
line_el.type = "range";
line_el.max = 100;
line_el.min = 0;
break;
case "snap":
cue.snapToLines = true;
cue.rawLine = cue.rawLine==='auto'?-1:0;
line_el.type = "number"
line_el.max = null;
line_el.min = null;
break;
}
line_el.value = cue.rawLine;
line_form.style.display = "table-row";
}
caption.displayed && caption.display(video);
};
id_el.addEventListener('change', id_change, false);
size_el.addEventListener('change', size_change, false);
align_el.addEventListener('change', align_change, false);
snap_el.addEventListener('change', snap_change, false);
line_el.addEventListener('change', line_change, false);
pos_el.addEventListener('change', pos_change, false);
text_el.addEventListener('DOMCharacterDataModified', text_change, false);
text_el.addEventListener('DOMSubtreeModified', text_change, false);
function updateEditor(){
var cue = curseg.cue;
id_el.removeEventListener('change', id_change, false);
id_el.value = cue.id;
id_el.addEventListener('change', id_change, false);
text_el.innerHTML = cue.text;
text_el.dir = Ayamel.Text.getDirection(cue.text);
size_el.value = parseInt(cue.size,10);
align_el.value = cue.align;
snap_el.value = cue.snapToLines?(cue.rawLine==='auto'?'auto':'snap'):'percent';
if(snap_el.value === "auto"){
line_form.style.display = "none";
}else{
switch(snap_el.value){
case "percent":
line_el.type = "range";
line_el.max = 100;
line_el.min = 0;
break;
case "snap":
line_el.type = "number"
line_el.max = null;
line_el.min = null;
break;
}
line_form.style.display = "inline";
}
line_el.value = cue.rawLine;
pos_el.value = parseInt(cue.position,10);
}
document.getElementById('vttfile').addEventListener('change', function(evt) {
timeline.loadTextTrack(evt.target.files[0],'html','en');
}, false);
document.getElementById('tbtn').addEventListener('click', function() {
timeline.addTextTrack(new TimedText.Track([],'html',"track"+(t_count++),'en'));
timeline.render();
}, false);
document.getElementById('ubtn').addEventListener('click', function() {
timeline.loadTextTrack(prompt("Enter URL:"),'html','en');
timeline.render();
}, false);
document.getElementById('fbtn').addEventListener('click', function() {
var a = align_el.value, cue = curseg.cue;
if(a === 'middle'){ return; }
else{
align_el.value = a==='start'?'end':'start';
cue.align = align_el.value;
pos_el.value = 100-pos_el.valueAsNumber;
cue.position = pos_el.value+"%";
caption.displayed && caption.display(video);
}
}, false);
document.getElementById('audiofile').addEventListener('change', function(evt) {
var bufsize = 10000,
rate = 1001,
file = evt.target.files[0],
reader = Reader.fromFile(evt.target.files[0]),
wave = new WaveForm(
timeline.width,
timeline.trackHeight,
1,rate
),
chan,
frame,
buffer,
channels,
resampler;
timeline.addAudioTrack(wave,file.name);
for(i=0;i<atracks.options.length;i++){
if(atracks.options[i].selected){
timeline.setAudioTrack(atracks.options[i].value,file.name);
}
}
reader.on('format', function(data) {
resampler = new Resampler(data.sampleRate,rate,1);
channels = data.channelsPerFrame;
bufsize -= bufsize%channels;
buffer = new Float32Array(bufsize);
chan = buffer.subarray(0,bufsize/channels);
frame = new Float32Array(Math.ceil(bufsize*rate/(data.sampleRate*channels)));
});
reader.on('ready', function(){
var startTime = Date.now(),
repeat;
repeat = setInterval(function(){
var i, j;
if(reader.get(buffer) !== 'filled'){
clearInterval(repeat);
console.log("done: ", Date.now()-startTime);
}else{
//deinterlace:
for(i=0,j=0;j<bufsize;j+=channels){
chan[i++] = buffer[j];
}
resampler.exec(chan,frame);
wave.addFrame(frame);
timeline.render();
}
},1);
});
reader.start();
}, false);
// Create the timeline
timeline = new Timeline(target, {
width: window.innerWidth,
length: 7000,
start: 0,
end: 240
});
window.addEventListener('resize',function(){ timeline.width = window.innerWidth; }, false);
// Define the timeline callbacks
timeline.on('select',function(seg) {
curseg = seg;
if(!(seg.uid in captions)){ captions[seg.uid] = Ayamel.Caption.FromCue(null,null,seg.cue); }
caption = captions[seg.uid];
updateEditor();
editor.style.display = "block";
});
timeline.on('unselect',function(seg) {
if(curseg !== seg) return;
curseg = null;
editor.style.display = "none";
});
timeline.on('idchange',function(seg) {
if(curseg === seg){ id_el.value = seg.id; }
if(seg.active){
if(!(seg.uid in captions)){ captions[seg.uid] = Ayamel.Caption.FromCue(null,null,seg.cue); }
captions[seg.uid].display(video);
}
});
timeline.on('textchange',function(seg) {
if(curseg === seg){ text_el.innerHTML = seg.text; }
if(seg.active){
if(!(seg.uid in captions)){ captions[seg.uid] = Ayamel.Caption.FromCue(null,null,seg.cue); }
captions[seg.uid].display(video);
}
});
timeline.on('delete',function(seg) {
if(curseg === seg){ editor.style.display = "none"; }
});
timeline.on('create',function(seg) {
if(!(seg.uid in captions)){ captions[seg.uid] = Ayamel.Caption.FromCue(null,null,seg.cue); }
timeline.currentTool = Timeline.MOVE;
});
timeline.on('jump', function(time) {
controls.currentTime = time;
});
timeline.on('addtrack',function(track){
var opt = new Option(track.id);
opt.selected = true;
atracks.add(opt,null);
track.cues.on('cues',function(cues){
cues.invalid.forEach(function(cue){
captions[cue.uid].hide();
});
cues.valid.forEach(function(cue){
if(!(cue.uid in captions)){ captions[cue.uid] = Ayamel.Caption.FromCue(null,null,cue); }
captions[cue.uid].display(video);
});
});
});
// Bind to the audio events
controls.addEventListener("timeupdate", function() {
timeline.currentTime = controls.currentTime;
},false);
//Bind the toolbar buttons
document.getElementById("selb").addEventListener('click',function(){
timeline.currentTool = Timeline.SELECT;
},false);
document.getElementById("movb").addEventListener('click',function(){
timeline.currentTool = Timeline.MOVE;
},false);
document.getElementById("creb").addEventListener('click',function(){
timeline.currentTool = Timeline.CREATE;
},false);
document.getElementById("delb").addEventListener('click',function(){
timeline.currentTool = Timeline.DELETE;
},false);
document.getElementById("repb").addEventListener('click',function(){
timeline.currentTool = Timeline.REPEAT;
},false);
document.getElementById("scrb").addEventListener('click',function(){
timeline.currentTool = Timeline.SCROLL;
},false);
document.getElementById("ordb").addEventListener('click',function(){
timeline.currentTool = Timeline.ORDER;
},false);
document.getElementById("undb").addEventListener('click',function(){
timeline.cstack.undo();
},false);
document.getElementById("redb").addEventListener('click',function(){
timeline.cstack.redo();
},false);
function saveTracks(target){
var i, opt, savable = [];
for(i=0;opt=atracks.options[i];i++){
if(opt.selected){ savable.push(opt.value); }
}
EditorWidgets.Save(timeline.exportTracks('text/vtt',savable),target)
}
document.getElementById("savs").addEventListener('click',saveTracks.bind(null,'ajax/saver.php'),false);
document.getElementById("savl").addEventListener('click',saveTracks.bind(null,'file'),false);
atracks.addEventListener('change',function(){
var i, track,
opts = atracks.options,
len = opts.length;
for(i=0;i<len;i++){
track = timeline.getTrack(opts[i].value);
track.active = opts[i].selected;
track.cues.mode = track.active?'showing':'disabled';
}
},false);
</script>
</body>
</html>