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Location: light9/light9/vidref/vidref.html
087f6cbe4b22
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vidrefsetup tool now prepares a url that vidref will use for rpi camera requests
Ignore-this: 3b10bb845aa51811f21f63d4a280d2bd
Ignore-this: 3b10bb845aa51811f21f63d4a280d2bd
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<html>
<head>
<title>vidref</title>
<meta charset="utf-8" />
<link rel="stylesheet" href="static/tapmodo-Jcrop-1902fbc/css/jquery.Jcrop.min.css" type="text/css">
<style>
body {
background: black;
color: rgb(170, 170, 170);
font-family: sans-serif;
}
a {
color: rgb(163, 163, 255);
}
input[type=range] { width: 400px; }
.smallUrl { font-size: 60%; }
.jcrop-holder {
position: absolute !important;
top: 0 !important;
background-color: initial !important;
}
</style>
</head>
<body>
<h1>video setup</h1>
<div>Camera view</div>
<div>
<div style="position: relative; display: inline-block">
<img id="cam" src="pic?resize=500&awb_mode=auto&exposure_mode=auto&shutter=100000">
<div id="cover" style="position: absolute; left: 0; top: 0; right: 0; bottom: 0;"></div>
</div>
</div>
<fieldset>
<legend>set these</legend>
<div><label>shutter <input type="range" min="1" max="100000" data-bind="value: params.shutter, valueUpdate: 'input'"></label></div>
<div><label>brightness <span data-bind="text: params.brightness"></span> <input type="range" min="0" max="100" step="1" data-bind="value: params.brightness, valueUpdate: 'input'"></label></div>
<div><label>exposure_mode
<select data-bind="value: params.exposure_mode">
<option>auto</option>
<option>fireworks</option>
<option>verylong</option>
<option>fixedfps</option>
<option>backlight</option>
<option>antishake</option>
<option>snow</option>
<option>sports</option>
<option>nightpreview</option>
<option>night</option>
<option>beach</option>
<option>spotlight</option>
</select>
</label></div>
<div><label>exposure_compensation <span data-bind="text: params.exposure_compensation"></span> <input type="range" min="-25" max="25" step="1" data-bind="value: params.exposure_compensation, valueUpdate: 'input'"></label></div>
<div><label>awb_mode
<select data-bind="value: params.awb_mode">
<option>horizon</option>
<option>off</option>
<option>cloudy</option>
<option>shade</option>
<option>fluorescent</option>
<option>tungsten</option>
<option>auto</option>
<option>flash</option>
<option>sunlight</option>
<option>incandescent</option>
</select>
</label></div>
<div><label>redgain <input type="range" min="0" max="8" step=".1" data-bind="value: params.redgain, valueUpdate: 'input'"></label></div>
<div><label>bluegain <input type="range" min="0" max="8" step=".1" data-bind="value: params.bluegain, valueUpdate: 'input'"></label></div>
<div><label>iso <input type="range" min="100" max="800" step="20" list="isos" data-bind="value: params.iso, valueUpdate: 'input'"></label></div>
<datalist id="isos">
<option>100</option>
<option>200</option>
<option>320</option>
<option>400</option>
<option>500</option>
<option>640</option>
<option>800</option>
</datalist>
<div>See <a href="http://picamera.readthedocs.org/en/release-1.4/api.html#picamera.PiCamera.ISO">picamera attribute docs</a></div>
</fieldset>
<div>Resulting url: <a class="smallUrl" data-bind="attr: {href: currentUrl}, text: currentUrl"></a></div>
<div>Resulting crop image:</div>
<div><img id="cropped"></div>
<script src="static/knockout-3.1.0.js"></script>
<script src="static/jquery-2.1.1.min.js"></script>
<script src="static/underscore-min.js"></script>
<script src="static/tapmodo-Jcrop-1902fbc/js/jquery.Jcrop.js"></script>
<script>
jQuery(function () {
var model = {
baseUrl: ko.observable(),
crop: ko.observable({x: 0, y: 0, w: 1, h: 1}),
params: {
shutter: ko.observable(50000),
exposure_mode: ko.observable('auto'),
awb_mode: ko.observable('auto'),
brightness: ko.observable(50),
redgain: ko.observable(1),
bluegain: ko.observable(1),
iso: ko.observable(250),
exposure_compensation: ko.observable(0),
}
};
model.currentUrl = ko.computed(assembleCamUrlWithCrop);
function getBaseUrl() {
$.ajax({
url: 'picUrl',
success: model.baseUrl
});
}
function imageUpdatesForever(model, img, onFirstLoad) {
var everLoaded = false;
function onLoad(ev) {
if (ev.type == 'load' && !everLoaded) {
everLoaded = true;
onFirstLoad();
}
var src = assembleCamUrl() + '&t=' + (+new Date());
img.src = src;
$("#cropped").attr({src: assembleCamUrlWithCrop()});
}
img.addEventListener('load', onLoad);
img.addEventListener('error', onLoad);
onLoad({type: '<startup>'})
}
function assembleCamUrl() {
if (!model.baseUrl()) {
return '#';
}
return model.baseUrl() + '?resize=500&' + $.param(ko.toJS(model.params));
}
function assembleCamUrlWithCrop() {
return assembleCamUrl() + '&' + $.param(model.crop());
}
getBaseUrl();
imageUpdatesForever(model, document.getElementById('cam'), function onFirstLoad() {
var crop = $('#cover').Jcrop({onChange: function (c) {
var size = this.getBounds();
model.crop({x: c.x / size[0], y: c.y / size[1], w: c.w / size[0], h: c.h / size[1]});
}}, function() {
this.setSelect([50, 50, 100, 100]);
});
});
var putVidrefCamRequest = _.debounce(
function(uri) {
$.ajax({
type: 'PUT',
url: 'vidrefCamRequest',
data: {uri: uri}
});
}, 1000);
ko.computed(function saver() {
var uri = assembleCamUrlWithCrop();
putVidrefCamRequest(uri);
});
ko.applyBindings(model);
});
</script>
</body>
</html>
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