<script tyPE="text/javascript" src="http://lib.sinaapp.COM/js/jquery/1.6/jquery.js"></script>

<video id="video" controls="controls">
<source src="1.mp4" />
</video>

<script type="text/javascript">
$().ready(function(){
VAR video, output;
var scale = 0.25;
var inITialize = function() {
output = $("#output");
video = $("#video").get(0);
$("#capture").click(captureimage);
};
var captureImage = function() {
var canvas = document.createElement("canvas");
canvas.width = video.videoWidth * scale;
canvas.height = video.videoHeight * scale;
canvas.getContext('2d')
.drawImage(video, 0, 0, canvas.width, canvas.height);
var img = document.createElement("img");
img.src = canvas.toDataURL();
output.PRepend(img);
};
$(initialize);
});
</script>