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<body>
<h1 id="demo"></h1>
				<div>
  <img id="img16"  class="refr"  style="width:100;display:none;" src="getresource?r=atualli.png"   >
  <canvas title = "teste"
		id="cvc16"  class="refrc" alt="" style="width:100%" onclick="imgRedirect('zoom?n=1&m=1&p00')"></canvas>
	</div>

<script async">

   var resx = 1000;
    var resy = 1000;
	
	 var to = 1; // 2; //3;
    var first = 0;
    var idx = 0;
    var tamFila = 0;
    var myFila = 0;

    var onlyView = 0;

   
    
  var lastDate = new Date();

    var dataXhttp = [];
    var slot = 0;
	
	gogo();
	
	function _arrayBufferToBase64( bytes ) {
	    var binary = '';

	    var len = bytes.byteLength;
	//    for (var i = 0; i < len; i++) {
	//        binary += String.fromCharCode( bytes[ i ] );
	 //   }
	    var block= 65535;
		var start = 0;

	    do {
			var end = start+block;
			if (end>=len) end=len;
	 		var sub = bytes.slice(start, end)
			binary +=  String.fromCharCode.apply(null,sub);
		    start+=block;
		
			if(start>=len) break;
		
		}while(1);
	    return window.btoa( binary );
	}

	function binaryToDataURL(inputArray){
		let TYPED_ARRAY = new Uint8Array(inputArray);
	
		let base64String =  _arrayBufferToBase64(TYPED_ARRAY);
		
		var uri = 'data:image/jpeg;base64,' + base64String;
		return uri;
   }

	var canvasx=480;
	var canvasy=240;
	var canvasvx=720;
	var canvasvy=480;
	var fps=120;
	var ext= ".jpeg";
	
	var urlBase = '<?URL?>'
	async function playframe(img,blob)
	{
		  const ArrayBuffer = await blob.arrayBuffer();
		
		  const src = binaryToDataURL(ArrayBuffer);

		  img.src = src; 
		 
	      img.onload = function () {
			                        
	            var ids = this.id;
	            var cam = "cvc" + ids.substring(3, 5);
	            var c = document.getElementById(cam);
	            var ctx = c.getContext("2d");

	            var resx = canvasvx; //this.width
	            var resy = canvasvy; //this.height;
	            c.setAttribute('width', resx);
	            c.setAttribute('height', resy);
	            ctx.drawImage(this, 0, 0, resx, resy);

	        }; 

/*		
		//	const ArrayBuffer = await blob.arrayBuffer();
		//	let TYPED_ARRAY = new Uint8Array(ArrayBuffer);
		
			var fileReader = new FileReader();

			fileReader.onload = function(event) {
				ArrayBuffer = event.target.result;
				let TYPED_ARRAY = new Uint8Array(ArrayBuffer);
			//	let TYPED_ARRAY = new Uint16Array(ArrayBuffer);
				
			    var ids = img.id;
	            var cam = "cvc" + ids.substring(3, 5);
	            var c = document.getElementById(cam);
	            var ctx = c.getContext("2d");

	            var resx = canvasx;
	            var resy = canvasy;
	            c.setAttribute('width', resx);
	            c.setAttribute('height', resy);
				
				const imageData = ctx.createImageData(resx, resy);

				// Iterate through every pixel
				let j=0;
			
				for (let i = 0; i < imageData.data.length; i += 4) {
				  // Modify pixel data
				  
				  imageData.data[i + 0] = TYPED_ARRAY[j + 2];  // R value
				  imageData.data[i + 1] = TYPED_ARRAY[j + 1];    // G value
				  imageData.data[i + 2] = TYPED_ARRAY[j + 0];  // B value
				  imageData.data[i + 3] = 255;  // A value
				  j+=3; 
				}
				ctx.putImageData(imageData, 0, 0); 
			}
			fileReader.readAsArrayBuffer(blob);
		*/	

	}


    async function playstream(img)
	{	 	
	    img.setAttribute("data-completed", 0);
  		var cam = img.id.substring(3, 5);
        var newurl = "http://atualli.ddns.net:8188/getcamera?" + "c=" + cam + "&resx=" + canvasx + "&resy=" + canvasy + "&fps=" + fps + "&ext=" + ext;;
		let wnewurl = newurl.replace("http","ws");
	//	wnewurl = wnewurl.replace("getcamera","stream");
		wnewurl = wnewurl.replace("getcamera","getstream");
//			wnewurl = wnewurl.replace("getcamera","getfullmosaico");

  		var ws = new WebSocket(wnewurl);
		
        ws.onopen = function () {
		   console.log("Message to send");
		   img.setAttribute("data-completed", 0);
        };

        ws.onmessage = function (evt) {

		/*	var impl = function (img, blob)
            {
				playframe(img,blob);
			}
			impl(img,evt.data); */
			
			playframe(img,evt.data);
								
		};

        ws.onclose = function () {

            // websocket is closed.
            console.log("Connection is closed...");
			img.setAttribute("data-completed", -1);
        };
    
	}
		
    function gogo() {

            var pix = document.getElementsByClassName('refr');
            for (var i = 0; i < pix.length; i++) {

                var img = pix[i];
				if (!img.hasAttribute("data-completed") || img.getAttribute("data-completed")<0)
				{
					playstream(img);
				}
            }
			
			setTimeout(gogo, 5000);
			
        }
        
    
 </script>
</body>