ref: d9aff4f21696c01a13b4a4086de57d74fd3cde4b
dir: h264bsd/test/h264bsd.html
<!doctype html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>h.264bsd test</title>
</head>
<body>
<input type="file" id="file" name="file" /><br/>
<canvas id="canvas" width="640" height="480" style="border:solid;"></canvas>
<h264decoder id="h264decoder"><h264decoder>
<!--<script src="../js/h264bsd_asm.js"></script>
<script src="../js/sylvester.js"></script>
<script src="../js/glUtils.js"></script>
<script src="../js/util.js"></script>
<script src="../js/canvas.js"></script>
<script src="../js/h264bsd.js"></script>-->
<script src="../js/dist/h264bsd.min.js"></script>
<script type="text/javascript">
var canvas = document.getElementById('canvas');
var d = new H264Decoder(Module, canvas);
canvas.addEventListener("pictureReady", function(e){
if (e.detail.picture == null){
return;
}
if (e.detail.encoding != 'YUV'){
return;
}
var bytes = e.detail.picture;
var width = e.detail.width;
var height = e.detail.height;
var wgc = new YUVWebGLCanvas(canvas, new Size(width, height));
var lumaSize = width * height;
var chromaSize = lumaSize >> 2;
wgc.YTexture.fill(bytes.subarray(0, lumaSize), true);
wgc.UTexture.fill(bytes.subarray(lumaSize, lumaSize + chromaSize), true);
wgc.VTexture.fill(bytes.subarray(lumaSize + chromaSize, lumaSize + 2 * chromaSize), true);
wgc.drawScene();
});
function handleFileSelect(evt) {
var f = evt.target.files[0]; // FileList object
var reader = new FileReader();
// Closure to capture the file information.
reader.onload = function(e) {
var buf = e.target.result;
d.decode(buf);
};
// Read in the image file as a data URL.
reader.readAsArrayBuffer(f);
}
document.getElementById('file').addEventListener('change', handleFileSelect, false);
</script>
</body>
</html>