From 9a4059a98e0a52ee7bc6303fdb96b0440fdac432 Mon Sep 17 00:00:00 2001
From: narro <501xs05@163.com>
Date: Wed, 22 Apr 2020 10:23:22 +0800
Subject: [PATCH 1/7] feat: support camera choose in flash.

---
 flash/Webcam.as  |  97 +++++++++++++++++++++++++++++++----------------
 flash/Webcam.fla | Bin 3621 -> 3647 bytes
 flash/webcam.swf | Bin 0 -> 7278 bytes
 3 files changed, 64 insertions(+), 33 deletions(-)
 create mode 100644 flash/webcam.swf

diff --git a/flash/Webcam.as b/flash/Webcam.as
index e9b7421..7a1ea9f 100644
--- a/flash/Webcam.as
+++ b/flash/Webcam.as
@@ -40,6 +40,7 @@
 		private var image_format:String;
 		private var fps:int;
 		private var flip_horiz:Boolean;
+		private var camera_idx:int;
 		
 		public function Webcam() {
 			// class constructor
@@ -68,45 +69,25 @@
 			
 			// Hack to auto-select iSight camera on Mac (JPEGCam Issue #5, submitted by manuel.gonzalez.noriega)
 			// From: http://www.squidder.com/2009/03/09/trick-auto-select-mac-isight-in-flash/
-			var cameraIdx:int = -1;
+			camera_idx = -1;
 			for (var idx = 0, len = Camera.names.length; idx < len; idx++) {
 				if (Camera.names[idx] == "USB Video Class Video") {
-					cameraIdx = idx;
+					camera_idx = idx;
 					idx = len;
 				}
 			}
-			if (cameraIdx > -1) camera = Camera.getCamera( String(cameraIdx) );
+			if (camera_idx > -1) camera = Camera.getCamera( String(camera_idx) );
 			else camera = Camera.getCamera();
 									
 			if (camera != null) {
-				camera.addEventListener(ActivityEvent.ACTIVITY, activityHandler);
-				camera.addEventListener(StatusEvent.STATUS, handleCameraStatus, false, 0, true);
-				video = new Video( Math.max(video_width, dest_width), Math.max(video_height, dest_height) );
-				video.attachCamera(camera);
-				addChild(video);
-				
-				if ((video_width < dest_width) && (video_height < dest_height)) {
-					video.scaleX = video_width / dest_width;
-					video.scaleY = video_height / dest_height;
-				}
-
-				if (flip_horiz) {
-					video.scaleX *= -1;
-					video.x = video.width + video.x;
-				}
-				
-				camera.setQuality(0, 100);
-				camera.setKeyFrameInterval(10);
-				camera.setMode( Math.max(video_width, dest_width), Math.max(video_height, dest_height), fps );
-				
-				// only detect motion once, to determine when camera is "live"
-				camera.setMotionLevel( 1 );
-				
+				ExternalInterface.addCallback('_getCameras', getCameras);
+				ExternalInterface.addCallback('_setCamera', setCamera);
+				ExternalInterface.addCallback('_initCamera', initCamera);
 				ExternalInterface.addCallback('_snap', snap);
 				ExternalInterface.addCallback('_configure', configure);
 				ExternalInterface.addCallback('_releaseCamera', releaseCamera);
 								
-				ExternalInterface.call('Webcam.flashNotify', 'flashLoadComplete', true);
+				ExternalInterface.call('Webcam.flashNotify', 'flashInitComplete', true);
 			}
 			else {
 				trace("You need a camera.");
@@ -141,6 +122,56 @@
 			}
 		}
 		
+		public function getCameras() {
+			return Camera.names;
+		}
+
+		public function setCamera(name: String) {
+			for (var idx = 0, len = Camera.names.length; idx < len; idx++) {
+				if (Camera.names[idx] == name) {
+					camera_idx = idx;
+					return;
+				}
+			}
+			ExternalInterface.call('Webcam.flashNotify', "error", "camera: " + name + " is not found");
+			trace("camera: " + name + " is not found");
+		}
+
+		public function initCamera() {
+			releaseCamera();
+			if (camera_idx > -1) camera = Camera.getCamera(String(camera_idx));
+			else camera = Camera.getCamera();
+
+			if (camera != null) {
+				camera.addEventListener(ActivityEvent.ACTIVITY, activityHandler);
+				camera.addEventListener(StatusEvent.STATUS, handleCameraStatus, false, 0, true);
+				video = new Video(Math.max(video_width, dest_width), Math.max(video_height, dest_height));
+				video.attachCamera(camera);
+				addChild(video);
+
+				if ((video_width < dest_width) && (video_height < dest_height)) {
+					video.scaleX = video_width / dest_width;
+					video.scaleY = video_height / dest_height;
+				}
+
+				if (flip_horiz) {
+					video.scaleX *= -1;
+					video.x = video.width + video.x;
+				}
+
+				camera.setQuality(0, 100);
+				camera.setKeyFrameInterval(10);
+				camera.setMode(Math.max(video_width, dest_width), Math.max(video_height, dest_height), fps);
+
+				// only detect motion once, to determine when camera is "live"
+				camera.setMotionLevel(1);
+				ExternalInterface.call('Webcam.flashNotify', 'flashLoadComplete', true);
+			} else {
+				trace("You need a camera.");
+				ExternalInterface.call('Webcam.flashNotify', "error", "No camera was detected.");
+			}
+		}
+
 		public function snap() {
 			// take snapshot from camera, and upload if URL was provided
 			trace("in snap(), drawing to bitmap");
@@ -185,13 +216,13 @@
 		}
 
 		public function releaseCamera() {
-
 			trace("in releaseCamera(), turn off camera");
-			video.attachCamera(null);
-			video.clear();
-			camera = null;
-			removeChild(video);
-
+			if (video != null){
+				video.attachCamera(null);
+			    video.clear();
+				camera = null;
+			    removeChild(video);
+			}
 		}
 	}
 }
diff --git a/flash/Webcam.fla b/flash/Webcam.fla
index 6f17dd164222d227e2625931cfa4a5fe41b696bf..d6665547b2faa30977f6d752a47bac091269698a 100644
GIT binary patch
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diff --git a/flash/webcam.swf b/flash/webcam.swf
new file mode 100644
index 0000000000000000000000000000000000000000..e65f4cbcbb9bde8490caf0eefb2fcdc810e0da2c
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From e473db79d3dde2537687fff3aed86e6e2197de99 Mon Sep 17 00:00:00 2001
From: narro <501xs05@163.com>
Date: Wed, 22 Apr 2020 11:06:11 +0800
Subject: [PATCH 2/7] feat: choose camera with flash

---
 demos/choose-camera.html |  62 +++++++++++++++++++++++++++++++++++++++
 flash/webcam.swf         | Bin 7278 -> 0 bytes
 webcam.js                |  33 +++++++++++++++++++--
 webcam.min.js            |   3 +-
 webcam.swf               | Bin 7090 -> 7278 bytes
 5 files changed, 94 insertions(+), 4 deletions(-)
 create mode 100644 demos/choose-camera.html
 delete mode 100644 flash/webcam.swf

diff --git a/demos/choose-camera.html b/demos/choose-camera.html
new file mode 100644
index 0000000..ebb995d
--- /dev/null
+++ b/demos/choose-camera.html
@@ -0,0 +1,62 @@
+<!doctype html>
+
+<html lang="en">
+<head>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+	<title>WebcamJS Test Page</title>
+	<style type="text/css">
+		body { font-family: Helvetica, sans-serif; }
+		h2, h3 { margin-top:0; }
+		form { margin-top: 15px; }
+		form > input { margin-right: 15px; }
+		#results { float:right; margin:20px; padding:20px; border:1px solid; background:#ccc; }
+	</style>
+</head>
+<body>
+	<div id="results">Your captured image will appear here...</div>
+	
+	<h1>WebcamJS Test Page</h1>
+	<h3>Demonstrates Adobe Flash capture &amp; display</h3>
+	
+	<div id="my_camera"></div>
+	
+	<!-- First, include the Webcam.js JavaScript Library -->
+	<script type="text/javascript" src="../webcam.js"></script>
+	
+	<!-- Configure a few settings and attach camera -->
+	<script language="JavaScript">
+		Webcam.set({
+			width: 320,
+			height: 240,
+			image_format: 'jpeg',
+			jpeg_quality: 90
+		});
+		Webcam.attach( '#my_camera' ,true);
+		Webcam.on("init",function() {
+            var cameras = Webcam.getCameras();
+            if(cameras.length > 0) {
+                Webcam.setCamera(cameras[cameras.length-1]);
+            }
+		})
+	</script>
+	
+	<!-- A button for taking snaps -->
+	<form>
+		<input type=button value="Take Snapshot" onClick="take_snapshot()">
+	</form>
+	
+	<!-- Code to handle taking the snapshot and displaying it locally -->
+	<script language="JavaScript">
+		function take_snapshot() {
+			// take snapshot and get image data
+			Webcam.snap( function(data_uri) {
+				// display results in page
+				document.getElementById('results').innerHTML = 
+					'<h2>Here is your image:</h2>' + 
+					'<img src="'+data_uri+'"/>';
+			} );
+		}
+	</script>
+	
+</body>
+</html>
diff --git a/flash/webcam.swf b/flash/webcam.swf
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diff --git a/webcam.js b/webcam.js
index dd945d5..d64a6fa 100644
--- a/webcam.js
+++ b/webcam.js
@@ -38,6 +38,7 @@ var Webcam = {
 	
 	// globals
 	protocol: location.protocol.match(/https/i) ? 'https' : 'http',
+	inited: false, // true when webcam privilege is generated
 	loaded: false,   // true when webcam movie finishes loading
 	live: false,     // true when webcam is initialized and ready to snap
 	userMedia: true, // true when getUserMedia is supported natively
@@ -222,7 +223,7 @@ var Webcam = {
 		img.src = origObjURL;
 	},
 	
-	attach: function(elem) {
+	attach: function(elem, notInit) {
 		// create webcam preview and attach to DOM element
 		// pass in actual DOM reference, ID, or CSS selector
 		if (typeof(elem) == 'string') {
@@ -443,6 +444,12 @@ var Webcam = {
 			var div = document.createElement('div');
 			div.innerHTML = this.getSWFHTML();
 			elem.appendChild( div );
+			var _this = this;
+			if(!notInit){
+				this.on("init",function() {
+					_this.getMovie()._initCamera();
+				});
+			}
 		}
 		else {
 			this.dispatch('error', new WebcamError( this.params.noInterfaceFoundText ));
@@ -466,6 +473,24 @@ var Webcam = {
 			elem.style.height = '' + this.params.height + 'px';
 		}
 	},
+
+	getCameras: function () {
+		if (this.userMedia) {
+		} else if (this.iOS) {
+		} else if (this.params.enable_flash && this.detectFlash()) {
+		  return this.getMovie()._getCameras();
+		}
+	  },
+  
+	setCamera: function (name) {
+		if (this.userMedia) {
+		} else if (this.iOS) {
+		} else if (this.params.enable_flash && this.detectFlash()) {
+		  var movie = this.getMovie();
+		  movie._setCamera(name);
+		  movie._initCamera();
+		}
+	},
 	
 	reset: function() {
 		// shutdown camera, reset to potentially attach again
@@ -670,7 +695,7 @@ var Webcam = {
 	
 	getMovie: function() {
 		// get reference to movie object/embed in DOM
-		if (!this.loaded) return this.dispatch('error', new FlashError("Flash Movie is not loaded yet"));
+		if (!this.inited) return this.dispatch('error', new FlashError("Flash Movie is not loaded yet"));
 		var movie = document.getElementById('webcam_movie_obj');
 		if (!movie || !movie._snap) movie = document.getElementById('webcam_movie_embed');
 		if (!movie) this.dispatch('error', new FlashError("Cannot locate Flash movie in DOM"));
@@ -933,6 +958,10 @@ var Webcam = {
 	flashNotify: function(type, msg) {
 		// receive notification from flash about event
 		switch (type) {
+			case "flashInitComplete":
+				this.inited = true;
+				this.dispatch("init");
+				break;
 			case 'flashLoadComplete':
 				// movie loaded successfully
 				this.loaded = true;
diff --git a/webcam.min.js b/webcam.min.js
index 03de2f7..ef1f196 100644
--- a/webcam.min.js
+++ b/webcam.min.js
@@ -1,2 +1 @@
-// WebcamJS v1.0.25 - http://github.com/jhuckaby/webcamjs - MIT Licensed
-(function(e){var t;function a(){var e=Error.apply(this,arguments);e.name=this.name="FlashError";this.stack=e.stack;this.message=e.message}function i(){var e=Error.apply(this,arguments);e.name=this.name="WebcamError";this.stack=e.stack;this.message=e.message}var s=function(){};s.prototype=Error.prototype;a.prototype=new s;i.prototype=new s;var Webcam={version:"1.0.26",protocol:location.protocol.match(/https/i)?"https":"http",loaded:false,live:false,userMedia:true,iOS:/iPad|iPhone|iPod/.test(navigator.userAgent)&&!e.MSStream,params:{width:0,height:0,dest_width:0,dest_height:0,image_format:"jpeg",jpeg_quality:90,enable_flash:true,force_flash:false,flip_horiz:false,fps:30,upload_name:"webcam",constraints:null,swfURL:"",flashNotDetectedText:"ERROR: No Adobe Flash Player detected.  Webcam.js relies on Flash for browsers that do not support getUserMedia (like yours).",noInterfaceFoundText:"No supported webcam interface found.",unfreeze_snap:true,iosPlaceholderText:"Click here to open camera.",user_callback:null,user_canvas:null},errors:{FlashError:a,WebcamError:i},hooks:{},init:function(){var t=this;this.mediaDevices=navigator.mediaDevices&&navigator.mediaDevices.getUserMedia?navigator.mediaDevices:navigator.mozGetUserMedia||navigator.webkitGetUserMedia?{getUserMedia:function(e){return new Promise(function(t,a){(navigator.mozGetUserMedia||navigator.webkitGetUserMedia).call(navigator,e,t,a)})}}:null;e.URL=e.URL||e.webkitURL||e.mozURL||e.msURL;this.userMedia=this.userMedia&&!!this.mediaDevices&&!!e.URL;if(navigator.userAgent.match(/Firefox\D+(\d+)/)){if(parseInt(RegExp.$1,10)<21)this.userMedia=null}if(this.userMedia){e.addEventListener("beforeunload",function(e){t.reset()})}},exifOrientation:function(e){var t=new DataView(e);if(t.getUint8(0)!=255||t.getUint8(1)!=216){console.log("Not a valid JPEG file");return 0}var a=2;var i=null;while(a<e.byteLength){if(t.getUint8(a)!=255){console.log("Not a valid marker at offset "+a+", found: "+t.getUint8(a));return 0}i=t.getUint8(a+1);if(i==225){a+=4;var s="";for(n=0;n<4;n++){s+=String.fromCharCode(t.getUint8(a+n))}if(s!="Exif"){console.log("Not valid EXIF data found");return 0}a+=6;var r=null;if(t.getUint16(a)==18761){r=false}else if(t.getUint16(a)==19789){r=true}else{console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");return 0}if(t.getUint16(a+2,!r)!=42){console.log("Not valid TIFF data! (no 0x002A)");return 0}var o=t.getUint32(a+4,!r);if(o<8){console.log("Not valid TIFF data! (First offset less than 8)",t.getUint32(a+4,!r));return 0}var l=a+o;var h=t.getUint16(l,!r);for(var c=0;c<h;c++){var d=l+c*12+2;if(t.getUint16(d,!r)==274){var f=t.getUint16(d+2,!r);var m=t.getUint32(d+4,!r);if(f!=3&&m!=1){console.log("Invalid EXIF orientation value type ("+f+") or count ("+m+")");return 0}var p=t.getUint16(d+8,!r);if(p<1||p>8){console.log("Invalid EXIF orientation value ("+p+")");return 0}return p}}}else{a+=2+t.getUint16(a+2)}}return 0},fixOrientation:function(e,t,a){var i=new Image;i.addEventListener("load",function(e){var s=document.createElement("canvas");var r=s.getContext("2d");if(t<5){s.width=i.width;s.height=i.height}else{s.width=i.height;s.height=i.width}switch(t){case 2:r.transform(-1,0,0,1,i.width,0);break;case 3:r.transform(-1,0,0,-1,i.width,i.height);break;case 4:r.transform(1,0,0,-1,0,i.height);break;case 5:r.transform(0,1,1,0,0,0);break;case 6:r.transform(0,1,-1,0,i.height,0);break;case 7:r.transform(0,-1,-1,0,i.height,i.width);break;case 8:r.transform(0,-1,1,0,0,i.width);break}r.drawImage(i,0,0);a.src=s.toDataURL()},false);i.src=e},attach:function(a){if(typeof a=="string"){a=document.getElementById(a)||document.querySelector(a)}if(!a){return this.dispatch("error",new i("Could not locate DOM element to attach to."))}this.container=a;a.innerHTML="";var s=document.createElement("div");a.appendChild(s);this.peg=s;if(!this.params.width)this.params.width=a.offsetWidth;if(!this.params.height)this.params.height=a.offsetHeight;if(!this.params.width||!this.params.height){return this.dispatch("error",new i("No width and/or height for webcam.  Please call set() first, or attach to a visible element."))}if(!this.params.dest_width)this.params.dest_width=this.params.width;if(!this.params.dest_height)this.params.dest_height=this.params.height;this.userMedia=t===undefined?this.userMedia:t;if(this.params.force_flash){t=this.userMedia;this.userMedia=null}if(typeof this.params.fps!=="number")this.params.fps=30;var r=this.params.width/this.params.dest_width;var o=this.params.height/this.params.dest_height;if(this.userMedia){var n=document.createElement("video");n.setAttribute("autoplay","autoplay");n.setAttribute("playsinline","playsinline");n.style.width=""+this.params.dest_width+"px";n.style.height=""+this.params.dest_height+"px";if(r!=1||o!=1){a.style.overflow="hidden";n.style.webkitTransformOrigin="0px 0px";n.style.mozTransformOrigin="0px 0px";n.style.msTransformOrigin="0px 0px";n.style.oTransformOrigin="0px 0px";n.style.transformOrigin="0px 0px";n.style.webkitTransform="scaleX("+r+") scaleY("+o+")";n.style.mozTransform="scaleX("+r+") scaleY("+o+")";n.style.msTransform="scaleX("+r+") scaleY("+o+")";n.style.oTransform="scaleX("+r+") scaleY("+o+")";n.style.transform="scaleX("+r+") scaleY("+o+")"}a.appendChild(n);this.video=n;var l=this;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){n.onloadedmetadata=function(e){l.stream=t;l.loaded=true;l.live=true;l.dispatch("load");l.dispatch("live");l.flip()};if("srcObject"in n){n.srcObject=t}else{n.src=e.URL.createObjectURL(t)}}).catch(function(e){if(l.params.enable_flash&&l.detectFlash()){setTimeout(function(){l.params.force_flash=1;l.attach(a)},1)}else{l.dispatch("error",e)}})}else if(this.iOS){var h=document.createElement("div");h.id=this.container.id+"-ios_div";h.className="webcamjs-ios-placeholder";h.style.width=""+this.params.width+"px";h.style.height=""+this.params.height+"px";h.style.textAlign="center";h.style.display="table-cell";h.style.verticalAlign="middle";h.style.backgroundRepeat="no-repeat";h.style.backgroundSize="contain";h.style.backgroundPosition="center";var c=document.createElement("span");c.className="webcamjs-ios-text";c.innerHTML=this.params.iosPlaceholderText;h.appendChild(c);var d=document.createElement("img");d.id=this.container.id+"-ios_img";d.style.width=""+this.params.dest_width+"px";d.style.height=""+this.params.dest_height+"px";d.style.display="none";h.appendChild(d);var f=document.createElement("input");f.id=this.container.id+"-ios_input";f.setAttribute("type","file");f.setAttribute("accept","image/*");f.setAttribute("capture","camera");var l=this;var m=this.params;f.addEventListener("change",function(e){if(e.target.files.length>0&&e.target.files[0].type.indexOf("image/")==0){var t=URL.createObjectURL(e.target.files[0]);var a=new Image;a.addEventListener("load",function(e){var t=document.createElement("canvas");t.width=m.dest_width;t.height=m.dest_height;var i=t.getContext("2d");ratio=Math.min(a.width/m.dest_width,a.height/m.dest_height);var s=m.dest_width*ratio;var r=m.dest_height*ratio;var o=(a.width-s)/2;var n=(a.height-r)/2;i.drawImage(a,o,n,s,r,0,0,m.dest_width,m.dest_height);var l=t.toDataURL();d.src=l;h.style.backgroundImage="url('"+l+"')"},false);var i=new FileReader;i.addEventListener("load",function(e){var i=l.exifOrientation(e.target.result);if(i>1){l.fixOrientation(t,i,a)}else{a.src=t}},false);var s=new XMLHttpRequest;s.open("GET",t,true);s.responseType="blob";s.onload=function(e){if(this.status==200||this.status===0){i.readAsArrayBuffer(this.response)}};s.send()}},false);f.style.display="none";a.appendChild(f);h.addEventListener("click",function(e){if(m.user_callback){l.snap(m.user_callback,m.user_canvas)}else{f.style.display="block";f.focus();f.click();f.style.display="none"}},false);a.appendChild(h);this.loaded=true;this.live=true}else if(this.params.enable_flash&&this.detectFlash()){e.Webcam=Webcam;var h=document.createElement("div");h.innerHTML=this.getSWFHTML();a.appendChild(h)}else{this.dispatch("error",new i(this.params.noInterfaceFoundText))}if(this.params.crop_width&&this.params.crop_height){var p=Math.floor(this.params.crop_width*r);var u=Math.floor(this.params.crop_height*o);a.style.width=""+p+"px";a.style.height=""+u+"px";a.style.overflow="hidden";a.scrollLeft=Math.floor(this.params.width/2-p/2);a.scrollTop=Math.floor(this.params.height/2-u/2)}else{a.style.width=""+this.params.width+"px";a.style.height=""+this.params.height+"px"}},reset:function(){if(this.preview_active)this.unfreeze();this.unflip();if(this.userMedia){if(this.stream){if(this.stream.getVideoTracks){var e=this.stream.getVideoTracks();if(e&&e[0]&&e[0].stop)e[0].stop()}else if(this.stream.stop){this.stream.stop()}}delete this.stream;delete this.video}if(this.userMedia!==true&&this.loaded&&!this.iOS){var t=this.getMovie();if(t&&t._releaseCamera)t._releaseCamera()}if(this.container){this.container.innerHTML="";delete this.container}this.loaded=false;this.live=false},set:function(){if(arguments.length==1){for(var e in arguments[0]){this.params[e]=arguments[0][e]}}else{this.params[arguments[0]]=arguments[1]}},on:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(!this.hooks[e])this.hooks[e]=[];this.hooks[e].push(t)},off:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(this.hooks[e]){if(t){var a=this.hooks[e].indexOf(t);if(a>-1)this.hooks[e].splice(a,1)}else{this.hooks[e]=[]}}},dispatch:function(){var t=arguments[0].replace(/^on/i,"").toLowerCase();var s=Array.prototype.slice.call(arguments,1);if(this.hooks[t]&&this.hooks[t].length){for(var r=0,o=this.hooks[t].length;r<o;r++){var n=this.hooks[t][r];if(typeof n=="function"){n.apply(this,s)}else if(typeof n=="object"&&n.length==2){n[0][n[1]].apply(n[0],s)}else if(e[n]){e[n].apply(e,s)}}return true}else if(t=="error"){var l;if(s[0]instanceof a||s[0]instanceof i){l=s[0].message}else{l="Could not access webcam: "+s[0].name+": "+s[0].message+" "+s[0].toString()}alert("Webcam.js Error: "+l)}return false},setSWFLocation:function(e){this.set("swfURL",e)},detectFlash:function(){var t="Shockwave Flash",a="ShockwaveFlash.ShockwaveFlash",i="application/x-shockwave-flash",s=e,r=navigator,o=false;if(typeof r.plugins!=="undefined"&&typeof r.plugins[t]==="object"){var n=r.plugins[t].description;if(n&&(typeof r.mimeTypes!=="undefined"&&r.mimeTypes[i]&&r.mimeTypes[i].enabledPlugin)){o=true}}else if(typeof s.ActiveXObject!=="undefined"){try{var l=new ActiveXObject(a);if(l){var h=l.GetVariable("$version");if(h)o=true}}catch(e){}}return o},getSWFHTML:function(){var t="",i=this.params.swfURL;if(location.protocol.match(/file/)){this.dispatch("error",new a("Flash does not work from local disk.  Please run from a web server."));return'<h3 style="color:red">ERROR: the Webcam.js Flash fallback does not work from local disk.  Please run it from a web server.</h3>'}if(!this.detectFlash()){this.dispatch("error",new a("Adobe Flash Player not found.  Please install from get.adobe.com/flashplayer and try again."));return'<h3 style="color:red">'+this.params.flashNotDetectedText+"</h3>"}if(!i){var s="";var r=document.getElementsByTagName("script");for(var o=0,n=r.length;o<n;o++){var l=r[o].getAttribute("src");if(l&&l.match(/\/webcam(\.min)?\.js/)){s=l.replace(/\/webcam(\.min)?\.js.*$/,"");o=n}}if(s)i=s+"/webcam.swf";else i="webcam.swf"}if(e.localStorage&&!localStorage.getItem("visited")){this.params.new_user=1;localStorage.setItem("visited",1)}var h="";for(var c in this.params){if(h)h+="&";h+=c+"="+escape(this.params[c])}t+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" type="application/x-shockwave-flash" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="wmode" value="opaque" /><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+i+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+h+'"/><embed id="webcam_movie_embed" src="'+i+'" wmode="opaque" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+h+'"></embed></object>';return t},getMovie:function(){if(!this.loaded)return this.dispatch("error",new a("Flash Movie is not loaded yet"));var e=document.getElementById("webcam_movie_obj");if(!e||!e._snap)e=document.getElementById("webcam_movie_embed");if(!e)this.dispatch("error",new a("Cannot locate Flash movie in DOM"));return e},freeze:function(){var e=this;var t=this.params;if(this.preview_active)this.unfreeze();var a=this.params.width/this.params.dest_width;var i=this.params.height/this.params.dest_height;this.unflip();var s=t.crop_width||t.dest_width;var r=t.crop_height||t.dest_height;var o=document.createElement("canvas");o.width=s;o.height=r;var n=o.getContext("2d");this.preview_canvas=o;this.preview_context=n;if(a!=1||i!=1){o.style.webkitTransformOrigin="0px 0px";o.style.mozTransformOrigin="0px 0px";o.style.msTransformOrigin="0px 0px";o.style.oTransformOrigin="0px 0px";o.style.transformOrigin="0px 0px";o.style.webkitTransform="scaleX("+a+") scaleY("+i+")";o.style.mozTransform="scaleX("+a+") scaleY("+i+")";o.style.msTransform="scaleX("+a+") scaleY("+i+")";o.style.oTransform="scaleX("+a+") scaleY("+i+")";o.style.transform="scaleX("+a+") scaleY("+i+")"}this.snap(function(){o.style.position="relative";o.style.left=""+e.container.scrollLeft+"px";o.style.top=""+e.container.scrollTop+"px";e.container.insertBefore(o,e.peg);e.container.style.overflow="hidden";e.preview_active=true},o)},unfreeze:function(){if(this.preview_active){this.container.removeChild(this.preview_canvas);delete this.preview_context;delete this.preview_canvas;this.preview_active=false;this.flip()}},flip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(-1)";e.mozTransform="scaleX(-1)";e.msTransform="scaleX(-1)";e.oTransform="scaleX(-1)";e.transform="scaleX(-1)";e.filter="FlipH";e.msFilter="FlipH"}},unflip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(1)";e.mozTransform="scaleX(1)";e.msTransform="scaleX(1)";e.oTransform="scaleX(1)";e.transform="scaleX(1)";e.filter="";e.msFilter=""}},savePreview:function(e,t){var a=this.params;var i=this.preview_canvas;var s=this.preview_context;if(t){var r=t.getContext("2d");r.drawImage(i,0,0)}e(t?null:i.toDataURL("image/"+a.image_format,a.jpeg_quality/100),i,s);if(this.params.unfreeze_snap)this.unfreeze()},snap:function(e,t){if(!e)e=this.params.user_callback;if(!t)t=this.params.user_canvas;var a=this;var s=this.params;if(!this.loaded)return this.dispatch("error",new i("Webcam is not loaded yet"));if(!e)return this.dispatch("error",new i("Please provide a callback function or canvas to snap()"));if(this.preview_active){this.savePreview(e,t);return null}var r=document.createElement("canvas");r.width=this.params.dest_width;r.height=this.params.dest_height;var o=r.getContext("2d");if(this.params.flip_horiz){o.translate(s.dest_width,0);o.scale(-1,1)}var n=function(){if(this.src&&this.width&&this.height){o.drawImage(this,0,0,s.dest_width,s.dest_height)}if(s.crop_width&&s.crop_height){var a=document.createElement("canvas");a.width=s.crop_width;a.height=s.crop_height;var i=a.getContext("2d");i.drawImage(r,Math.floor(s.dest_width/2-s.crop_width/2),Math.floor(s.dest_height/2-s.crop_height/2),s.crop_width,s.crop_height,0,0,s.crop_width,s.crop_height);o=i;r=a}if(t){var n=t.getContext("2d");n.drawImage(r,0,0)}e(t?null:r.toDataURL("image/"+s.image_format,s.jpeg_quality/100),r,o)};if(this.userMedia){o.drawImage(this.video,0,0,this.params.dest_width,this.params.dest_height);n()}else if(this.iOS){var l=document.getElementById(this.container.id+"-ios_div");var h=document.getElementById(this.container.id+"-ios_img");var c=document.getElementById(this.container.id+"-ios_input");iFunc=function(e){n.call(h);h.removeEventListener("load",iFunc);l.style.backgroundImage="none";h.removeAttribute("src");c.value=null};if(!c.value){h.addEventListener("load",iFunc);c.style.display="block";c.focus();c.click();c.style.display="none"}else{iFunc(null)}}else{var d=this.getMovie()._snap();var h=new Image;h.onload=n;h.src="data:image/"+this.params.image_format+";base64,"+d}return null},configure:function(e){if(!e)e="camera";this.getMovie()._configure(e)},flashNotify:function(e,t){switch(e){case"flashLoadComplete":this.loaded=true;this.dispatch("load");break;case"cameraLive":this.live=true;this.dispatch("live");break;case"error":this.dispatch("error",new a(t));break;default:break}},b64ToUint6:function(e){return e>64&&e<91?e-65:e>96&&e<123?e-71:e>47&&e<58?e+4:e===43?62:e===47?63:0},base64DecToArr:function(e,t){var a=e.replace(/[^A-Za-z0-9\+\/]/g,""),i=a.length,s=t?Math.ceil((i*3+1>>2)/t)*t:i*3+1>>2,r=new Uint8Array(s);for(var o,n,l=0,h=0,c=0;c<i;c++){n=c&3;l|=this.b64ToUint6(a.charCodeAt(c))<<18-6*n;if(n===3||i-c===1){for(o=0;o<3&&h<s;o++,h++){r[h]=l>>>(16>>>o&24)&255}l=0}}return r},upload:function(e,t,a){var i=this.params.upload_name||"webcam";var s="";if(e.match(/^data\:image\/(\w+)/))s=RegExp.$1;else throw"Cannot locate image format in Data URI";var r=e.replace(/^data\:image\/\w+\;base64\,/,"");var o=new XMLHttpRequest;o.open("POST",t,true);if(o.upload&&o.upload.addEventListener){o.upload.addEventListener("progress",function(e){if(e.lengthComputable){var t=e.loaded/e.total;Webcam.dispatch("uploadProgress",t,e)}},false)}var n=this;o.onload=function(){if(a)a.apply(n,[o.status,o.responseText,o.statusText]);Webcam.dispatch("uploadComplete",o.status,o.responseText,o.statusText)};var l=new Blob([this.base64DecToArr(r)],{type:"image/"+s});var h=new FormData;h.append(i,l,i+"."+s.replace(/e/,""));o.send(h)}};Webcam.init();if(typeof define==="function"&&define.amd){define(function(){return Webcam})}else if(typeof module==="object"&&module.exports){module.exports=Webcam}else{e.Webcam=Webcam}})(window);
\ No newline at end of file
+(function(u){var v;function l(){var e=Error.apply(this,arguments);e.name=this.name="FlashError";this.stack=e.stack;this.message=e.message}function g(){var e=Error.apply(this,arguments);e.name=this.name="WebcamError";this.stack=e.stack;this.message=e.message}var e=function(){};e.prototype=Error.prototype;l.prototype=new e;g.prototype=new e;var w={version:"1.0.26",protocol:location.protocol.match(/https/i)?"https":"http",inited:false,loaded:false,live:false,userMedia:true,iOS:/iPad|iPhone|iPod/.test(navigator.userAgent)&&!u.MSStream,params:{width:0,height:0,dest_width:0,dest_height:0,image_format:"jpeg",jpeg_quality:90,enable_flash:true,force_flash:false,flip_horiz:false,fps:30,upload_name:"webcam",constraints:null,swfURL:"",flashNotDetectedText:"ERROR: No Adobe Flash Player detected.  Webcam.js relies on Flash for browsers that do not support getUserMedia (like yours).",noInterfaceFoundText:"No supported webcam interface found.",unfreeze_snap:true,iosPlaceholderText:"Click here to open camera.",user_callback:null,user_canvas:null},errors:{FlashError:l,WebcamError:g},hooks:{},init:function(){var t=this;this.mediaDevices=navigator.mediaDevices&&navigator.mediaDevices.getUserMedia?navigator.mediaDevices:navigator.mozGetUserMedia||navigator.webkitGetUserMedia?{getUserMedia:function(a){return new Promise(function(e,t){(navigator.mozGetUserMedia||navigator.webkitGetUserMedia).call(navigator,a,e,t)})}}:null;u.URL=u.URL||u.webkitURL||u.mozURL||u.msURL;this.userMedia=this.userMedia&&!!this.mediaDevices&&!!u.URL;if(navigator.userAgent.match(/Firefox\D+(\d+)/)){if(parseInt(RegExp.$1,10)<21)this.userMedia=null}if(this.userMedia){u.addEventListener("beforeunload",function(e){t.reset()})}},exifOrientation:function(e){var t=new DataView(e);if(t.getUint8(0)!=255||t.getUint8(1)!=216){console.log("Not a valid JPEG file");return 0}var a=2;var i=null;while(a<e.byteLength){if(t.getUint8(a)!=255){console.log("Not a valid marker at offset "+a+", found: "+t.getUint8(a));return 0}i=t.getUint8(a+1);if(i==225){a+=4;var s="";for(n=0;n<4;n++){s+=String.fromCharCode(t.getUint8(a+n))}if(s!="Exif"){console.log("Not valid EXIF data found");return 0}a+=6;var r=null;if(t.getUint16(a)==18761){r=false}else if(t.getUint16(a)==19789){r=true}else{console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");return 0}if(t.getUint16(a+2,!r)!=42){console.log("Not valid TIFF data! (no 0x002A)");return 0}var o=t.getUint32(a+4,!r);if(o<8){console.log("Not valid TIFF data! (First offset less than 8)",t.getUint32(a+4,!r));return 0}var h=a+o;var l=t.getUint16(h,!r);for(var c=0;c<l;c++){var d=h+c*12+2;if(t.getUint16(d,!r)==274){var f=t.getUint16(d+2,!r);var m=t.getUint32(d+4,!r);if(f!=3&&m!=1){console.log("Invalid EXIF orientation value type ("+f+") or count ("+m+")");return 0}var p=t.getUint16(d+8,!r);if(p<1||p>8){console.log("Invalid EXIF orientation value ("+p+")");return 0}return p}}}else{a+=2+t.getUint16(a+2)}}return 0},fixOrientation:function(e,i,s){var r=new Image;r.addEventListener("load",function(e){var t=document.createElement("canvas");var a=t.getContext("2d");if(i<5){t.width=r.width;t.height=r.height}else{t.width=r.height;t.height=r.width}switch(i){case 2:a.transform(-1,0,0,1,r.width,0);break;case 3:a.transform(-1,0,0,-1,r.width,r.height);break;case 4:a.transform(1,0,0,-1,0,r.height);break;case 5:a.transform(0,1,1,0,0,0);break;case 6:a.transform(0,1,-1,0,r.height,0);break;case 7:a.transform(0,-1,-1,0,r.height,r.width);break;case 8:a.transform(0,-1,1,0,0,r.width);break}a.drawImage(r,0,0);s.src=t.toDataURL()},false);r.src=e},attach:function(t,e){if(typeof t=="string"){t=document.getElementById(t)||document.querySelector(t)}if(!t){return this.dispatch("error",new g("Could not locate DOM element to attach to."))}this.container=t;t.innerHTML="";var a=document.createElement("div");t.appendChild(a);this.peg=a;if(!this.params.width)this.params.width=t.offsetWidth;if(!this.params.height)this.params.height=t.offsetHeight;if(!this.params.width||!this.params.height){return this.dispatch("error",new g("No width and/or height for webcam.  Please call set() first, or attach to a visible element."))}if(!this.params.dest_width)this.params.dest_width=this.params.width;if(!this.params.dest_height)this.params.dest_height=this.params.height;this.userMedia=v===undefined?this.userMedia:v;if(this.params.force_flash){v=this.userMedia;this.userMedia=null}if(typeof this.params.fps!=="number")this.params.fps=30;var i=this.params.width/this.params.dest_width;var s=this.params.height/this.params.dest_height;if(this.userMedia){var r=document.createElement("video");r.setAttribute("autoplay","autoplay");r.setAttribute("playsinline","playsinline");r.style.width=""+this.params.dest_width+"px";r.style.height=""+this.params.dest_height+"px";if(i!=1||s!=1){t.style.overflow="hidden";r.style.webkitTransformOrigin="0px 0px";r.style.mozTransformOrigin="0px 0px";r.style.msTransformOrigin="0px 0px";r.style.oTransformOrigin="0px 0px";r.style.transformOrigin="0px 0px";r.style.webkitTransform="scaleX("+i+") scaleY("+s+")";r.style.mozTransform="scaleX("+i+") scaleY("+s+")";r.style.msTransform="scaleX("+i+") scaleY("+s+")";r.style.oTransform="scaleX("+i+") scaleY("+s+")";r.style.transform="scaleX("+i+") scaleY("+s+")"}t.appendChild(r);this.video=r;var o=this;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){r.onloadedmetadata=function(e){o.stream=t;o.loaded=true;o.live=true;o.dispatch("load");o.dispatch("live");o.flip()};if("srcObject"in r){r.srcObject=t}else{r.src=u.URL.createObjectURL(t)}}).catch(function(e){if(o.params.enable_flash&&o.detectFlash()){setTimeout(function(){o.params.force_flash=1;o.attach(t)},1)}else{o.dispatch("error",e)}})}else if(this.iOS){var l=document.createElement("div");l.id=this.container.id+"-ios_div";l.className="webcamjs-ios-placeholder";l.style.width=""+this.params.width+"px";l.style.height=""+this.params.height+"px";l.style.textAlign="center";l.style.display="table-cell";l.style.verticalAlign="middle";l.style.backgroundRepeat="no-repeat";l.style.backgroundSize="contain";l.style.backgroundPosition="center";var n=document.createElement("span");n.className="webcamjs-ios-text";n.innerHTML=this.params.iosPlaceholderText;l.appendChild(n);var c=document.createElement("img");c.id=this.container.id+"-ios_img";c.style.width=""+this.params.dest_width+"px";c.style.height=""+this.params.dest_height+"px";c.style.display="none";l.appendChild(c);var h=document.createElement("input");h.id=this.container.id+"-ios_input";h.setAttribute("type","file");h.setAttribute("accept","image/*");h.setAttribute("capture","camera");var o=this;var d=this.params;h.addEventListener("change",function(e){if(e.target.files.length>0&&e.target.files[0].type.indexOf("image/")==0){var a=URL.createObjectURL(e.target.files[0]);var h=new Image;h.addEventListener("load",function(e){var t=document.createElement("canvas");t.width=d.dest_width;t.height=d.dest_height;var a=t.getContext("2d");ratio=Math.min(h.width/d.dest_width,h.height/d.dest_height);var i=d.dest_width*ratio;var s=d.dest_height*ratio;var r=(h.width-i)/2;var o=(h.height-s)/2;a.drawImage(h,r,o,i,s,0,0,d.dest_width,d.dest_height);var n=t.toDataURL();c.src=n;l.style.backgroundImage="url('"+n+"')"},false);var t=new FileReader;t.addEventListener("load",function(e){var t=o.exifOrientation(e.target.result);if(t>1){o.fixOrientation(a,t,h)}else{h.src=a}},false);var i=new XMLHttpRequest;i.open("GET",a,true);i.responseType="blob";i.onload=function(e){if(this.status==200||this.status===0){t.readAsArrayBuffer(this.response)}};i.send()}},false);h.style.display="none";t.appendChild(h);l.addEventListener("click",function(e){if(d.user_callback){o.snap(d.user_callback,d.user_canvas)}else{h.style.display="block";h.focus();h.click();h.style.display="none"}},false);t.appendChild(l);this.loaded=true;this.live=true}else if(this.params.enable_flash&&this.detectFlash()){u.Webcam=w;var l=document.createElement("div");l.innerHTML=this.getSWFHTML();t.appendChild(l);var f=this;if(!e){this.on("init",function(){f.getMovie()._initCamera()})}}else{this.dispatch("error",new g(this.params.noInterfaceFoundText))}if(this.params.crop_width&&this.params.crop_height){var m=Math.floor(this.params.crop_width*i);var p=Math.floor(this.params.crop_height*s);t.style.width=""+m+"px";t.style.height=""+p+"px";t.style.overflow="hidden";t.scrollLeft=Math.floor(this.params.width/2-m/2);t.scrollTop=Math.floor(this.params.height/2-p/2)}else{t.style.width=""+this.params.width+"px";t.style.height=""+this.params.height+"px"}},getCameras:function(){if(this.userMedia){}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){return this.getMovie()._getCameras()}},setCamera:function(e){if(this.userMedia){}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._setCamera(e);t._initCamera()}},reset:function(){if(this.preview_active)this.unfreeze();this.unflip();if(this.userMedia){if(this.stream){if(this.stream.getVideoTracks){var e=this.stream.getVideoTracks();if(e&&e[0]&&e[0].stop)e[0].stop()}else if(this.stream.stop){this.stream.stop()}}delete this.stream;delete this.video}if(this.userMedia!==true&&this.loaded&&!this.iOS){var t=this.getMovie();if(t&&t._releaseCamera)t._releaseCamera()}if(this.container){this.container.innerHTML="";delete this.container}this.loaded=false;this.live=false},set:function(){if(arguments.length==1){for(var e in arguments[0]){this.params[e]=arguments[0][e]}}else{this.params[arguments[0]]=arguments[1]}},on:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(!this.hooks[e])this.hooks[e]=[];this.hooks[e].push(t)},off:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(this.hooks[e]){if(t){var a=this.hooks[e].indexOf(t);if(a>-1)this.hooks[e].splice(a,1)}else{this.hooks[e]=[]}}},dispatch:function(){var e=arguments[0].replace(/^on/i,"").toLowerCase();var t=Array.prototype.slice.call(arguments,1);if(this.hooks[e]&&this.hooks[e].length){for(var a=0,i=this.hooks[e].length;a<i;a++){var s=this.hooks[e][a];if(typeof s=="function"){s.apply(this,t)}else if(typeof s=="object"&&s.length==2){s[0][s[1]].apply(s[0],t)}else if(u[s]){u[s].apply(u,t)}}return true}else if(e=="error"){var r;if(t[0]instanceof l||t[0]instanceof g){r=t[0].message}else{r="Could not access webcam: "+t[0].name+": "+t[0].message+" "+t[0].toString()}alert("Webcam.js Error: "+r)}return false},setSWFLocation:function(e){this.set("swfURL",e)},detectFlash:function(){var e="Shockwave Flash",t="ShockwaveFlash.ShockwaveFlash",a="application/x-shockwave-flash",i=u,s=navigator,r=false;if(typeof s.plugins!=="undefined"&&typeof s.plugins[e]==="object"){var o=s.plugins[e].description;if(o&&(typeof s.mimeTypes!=="undefined"&&s.mimeTypes[a]&&s.mimeTypes[a].enabledPlugin)){r=true}}else if(typeof i.ActiveXObject!=="undefined"){try{var n=new ActiveXObject(t);if(n){var h=n.GetVariable("$version");if(h)r=true}}catch(e){}}return r},getSWFHTML:function(){var e="",t=this.params.swfURL;if(location.protocol.match(/file/)){this.dispatch("error",new l("Flash does not work from local disk.  Please run from a web server."));return'<h3 style="color:red">ERROR: the Webcam.js Flash fallback does not work from local disk.  Please run it from a web server.</h3>'}if(!this.detectFlash()){this.dispatch("error",new l("Adobe Flash Player not found.  Please install from get.adobe.com/flashplayer and try again."));return'<h3 style="color:red">'+this.params.flashNotDetectedText+"</h3>"}if(!t){var a="";var i=document.getElementsByTagName("script");for(var s=0,r=i.length;s<r;s++){var o=i[s].getAttribute("src");if(o&&o.match(/\/webcam(\.min)?\.js/)){a=o.replace(/\/webcam(\.min)?\.js.*$/,"");s=r}}if(a)t=a+"/webcam.swf";else t="webcam.swf"}if(u.localStorage&&!localStorage.getItem("visited")){this.params.new_user=1;localStorage.setItem("visited",1)}var n="";for(var h in this.params){if(n)n+="&";n+=h+"="+escape(this.params[h])}e+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" type="application/x-shockwave-flash" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="wmode" value="opaque" /><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+t+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+n+'"/><embed id="webcam_movie_embed" src="'+t+'" wmode="opaque" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+n+'"></embed></object>';return e},getMovie:function(){if(!this.inited)return this.dispatch("error",new l("Flash Movie is not loaded yet"));var e=document.getElementById("webcam_movie_obj");if(!e||!e._snap)e=document.getElementById("webcam_movie_embed");if(!e)this.dispatch("error",new l("Cannot locate Flash movie in DOM"));return e},freeze:function(){var e=this;var t=this.params;if(this.preview_active)this.unfreeze();var a=this.params.width/this.params.dest_width;var i=this.params.height/this.params.dest_height;this.unflip();var s=t.crop_width||t.dest_width;var r=t.crop_height||t.dest_height;var o=document.createElement("canvas");o.width=s;o.height=r;var n=o.getContext("2d");this.preview_canvas=o;this.preview_context=n;if(a!=1||i!=1){o.style.webkitTransformOrigin="0px 0px";o.style.mozTransformOrigin="0px 0px";o.style.msTransformOrigin="0px 0px";o.style.oTransformOrigin="0px 0px";o.style.transformOrigin="0px 0px";o.style.webkitTransform="scaleX("+a+") scaleY("+i+")";o.style.mozTransform="scaleX("+a+") scaleY("+i+")";o.style.msTransform="scaleX("+a+") scaleY("+i+")";o.style.oTransform="scaleX("+a+") scaleY("+i+")";o.style.transform="scaleX("+a+") scaleY("+i+")"}this.snap(function(){o.style.position="relative";o.style.left=""+e.container.scrollLeft+"px";o.style.top=""+e.container.scrollTop+"px";e.container.insertBefore(o,e.peg);e.container.style.overflow="hidden";e.preview_active=true},o)},unfreeze:function(){if(this.preview_active){this.container.removeChild(this.preview_canvas);delete this.preview_context;delete this.preview_canvas;this.preview_active=false;this.flip()}},flip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(-1)";e.mozTransform="scaleX(-1)";e.msTransform="scaleX(-1)";e.oTransform="scaleX(-1)";e.transform="scaleX(-1)";e.filter="FlipH";e.msFilter="FlipH"}},unflip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(1)";e.mozTransform="scaleX(1)";e.msTransform="scaleX(1)";e.oTransform="scaleX(1)";e.transform="scaleX(1)";e.filter="";e.msFilter=""}},savePreview:function(e,t){var a=this.params;var i=this.preview_canvas;var s=this.preview_context;if(t){var r=t.getContext("2d");r.drawImage(i,0,0)}e(t?null:i.toDataURL("image/"+a.image_format,a.jpeg_quality/100),i,s);if(this.params.unfreeze_snap)this.unfreeze()},snap:function(i,s){if(!i)i=this.params.user_callback;if(!s)s=this.params.user_canvas;var e=this;var r=this.params;if(!this.loaded)return this.dispatch("error",new g("Webcam is not loaded yet"));if(!i)return this.dispatch("error",new g("Please provide a callback function or canvas to snap()"));if(this.preview_active){this.savePreview(i,s);return null}var o=document.createElement("canvas");o.width=this.params.dest_width;o.height=this.params.dest_height;var n=o.getContext("2d");if(this.params.flip_horiz){n.translate(r.dest_width,0);n.scale(-1,1)}var t=function(){if(this.src&&this.width&&this.height){n.drawImage(this,0,0,r.dest_width,r.dest_height)}if(r.crop_width&&r.crop_height){var e=document.createElement("canvas");e.width=r.crop_width;e.height=r.crop_height;var t=e.getContext("2d");t.drawImage(o,Math.floor(r.dest_width/2-r.crop_width/2),Math.floor(r.dest_height/2-r.crop_height/2),r.crop_width,r.crop_height,0,0,r.crop_width,r.crop_height);n=t;o=e}if(s){var a=s.getContext("2d");a.drawImage(o,0,0)}i(s?null:o.toDataURL("image/"+r.image_format,r.jpeg_quality/100),o,n)};if(this.userMedia){n.drawImage(this.video,0,0,this.params.dest_width,this.params.dest_height);t()}else if(this.iOS){var a=document.getElementById(this.container.id+"-ios_div");var h=document.getElementById(this.container.id+"-ios_img");var l=document.getElementById(this.container.id+"-ios_input");iFunc=function(e){t.call(h);h.removeEventListener("load",iFunc);a.style.backgroundImage="none";h.removeAttribute("src");l.value=null};if(!l.value){h.addEventListener("load",iFunc);l.style.display="block";l.focus();l.click();l.style.display="none"}else{iFunc(null)}}else{var c=this.getMovie()._snap();var h=new Image;h.onload=t;h.src="data:image/"+this.params.image_format+";base64,"+c}return 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\ No newline at end of file
diff --git a/webcam.swf b/webcam.swf
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zeASRXSfk8qy*Mpg5Ums0J`?*xA8R0u?a8(}sUNI%J=7ZvLcCe*IZ4V3gF#qXe5mz4
zB-Jq&=qOAlle^&^Jlrsf#nfFH#-V3V79A6_B6?Pd3^R~Xd&HK!T7+B#A@^bOV=k~F
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zJ&zE1kI~7hONHS?(fc^{j8O7`gg+tSgA)ED3CAS-NeLg4@E=RK57&TCQL<m6{zRe%
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From f230d67ad25685a9eb2f984085892ab21b86bfef Mon Sep 17 00:00:00 2001
From: narro <501xs05@163.com>
Date: Wed, 22 Apr 2020 11:18:39 +0800
Subject: [PATCH 3/7] style: format code.

---
 demos/choose-camera.html | 131 +++++++++++++++++++++------------------
 1 file changed, 72 insertions(+), 59 deletions(-)

diff --git a/demos/choose-camera.html b/demos/choose-camera.html
index ebb995d..096745e 100644
--- a/demos/choose-camera.html
+++ b/demos/choose-camera.html
@@ -1,62 +1,75 @@
-<!doctype html>
+<!DOCTYPE html>
 
 <html lang="en">
-<head>
-	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-	<title>WebcamJS Test Page</title>
-	<style type="text/css">
-		body { font-family: Helvetica, sans-serif; }
-		h2, h3 { margin-top:0; }
-		form { margin-top: 15px; }
-		form > input { margin-right: 15px; }
-		#results { float:right; margin:20px; padding:20px; border:1px solid; background:#ccc; }
-	</style>
-</head>
-<body>
-	<div id="results">Your captured image will appear here...</div>
-	
-	<h1>WebcamJS Test Page</h1>
-	<h3>Demonstrates Adobe Flash capture &amp; display</h3>
-	
-	<div id="my_camera"></div>
-	
-	<!-- First, include the Webcam.js JavaScript Library -->
-	<script type="text/javascript" src="../webcam.js"></script>
-	
-	<!-- Configure a few settings and attach camera -->
-	<script language="JavaScript">
-		Webcam.set({
-			width: 320,
-			height: 240,
-			image_format: 'jpeg',
-			jpeg_quality: 90
-		});
-		Webcam.attach( '#my_camera' ,true);
-		Webcam.on("init",function() {
-            var cameras = Webcam.getCameras();
-            if(cameras.length > 0) {
-                Webcam.setCamera(cameras[cameras.length-1]);
-            }
-		})
-	</script>
-	
-	<!-- A button for taking snaps -->
-	<form>
-		<input type=button value="Take Snapshot" onClick="take_snapshot()">
-	</form>
-	
-	<!-- Code to handle taking the snapshot and displaying it locally -->
-	<script language="JavaScript">
-		function take_snapshot() {
-			// take snapshot and get image data
-			Webcam.snap( function(data_uri) {
-				// display results in page
-				document.getElementById('results').innerHTML = 
-					'<h2>Here is your image:</h2>' + 
-					'<img src="'+data_uri+'"/>';
-			} );
-		}
-	</script>
-	
-</body>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>WebcamJS Test Page</title>
+    <style type="text/css">
+      body {
+        font-family: Helvetica, sans-serif;
+      }
+      h2,
+      h3 {
+        margin-top: 0;
+      }
+      form {
+        margin-top: 15px;
+      }
+      form > input {
+        margin-right: 15px;
+      }
+      #results {
+        float: right;
+        margin: 20px;
+        padding: 20px;
+        border: 1px solid;
+        background: #ccc;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="results">Your captured image will appear here...</div>
+
+    <h1>WebcamJS Test Page</h1>
+    <h3>Demonstrates Adobe Flash capture &amp; display</h3>
+
+    <div id="my_camera"></div>
+
+    <!-- First, include the Webcam.js JavaScript Library -->
+    <script type="text/javascript" src="../webcam.js"></script>
+
+    <!-- Configure a few settings and attach camera -->
+    <script language="JavaScript">
+      Webcam.set({
+        width: 320,
+        height: 240,
+        image_format: "jpeg",
+        jpeg_quality: 90,
+      });
+      Webcam.attach("#my_camera", true);
+      Webcam.on("init", function () {
+        var cameras = Webcam.getCameras();
+        if (cameras.length > 0) {
+          Webcam.setCamera(cameras[cameras.length - 1]);
+        }
+      });
+    </script>
+
+    <!-- A button for taking snaps -->
+    <form>
+      <input type="button" value="Take Snapshot" onClick="take_snapshot()" />
+    </form>
+
+    <!-- Code to handle taking the snapshot and displaying it locally -->
+    <script language="JavaScript">
+      function take_snapshot() {
+        // take snapshot and get image data
+        Webcam.snap(function (data_uri) {
+          // display results in page
+          document.getElementById("results").innerHTML =
+            "<h2>Here is your image:</h2>" + '<img src="' + data_uri + '"/>';
+        });
+      }
+    </script>
+  </body>
 </html>

From 5751ac7bd26554b41a1ed17b4b47b2d3c0ef5d48 Mon Sep 17 00:00:00 2001
From: narro <501xs05@163.com>
Date: Wed, 22 Apr 2020 13:43:43 +0800
Subject: [PATCH 4/7] feat: support camera select with user media.

---
 demos/choose-camera.html |  11 +--
 webcam.js                | 152 ++++++++++++++++++++++++++++-----------
 2 files changed, 115 insertions(+), 48 deletions(-)

diff --git a/demos/choose-camera.html b/demos/choose-camera.html
index 096745e..45345bc 100644
--- a/demos/choose-camera.html
+++ b/demos/choose-camera.html
@@ -46,13 +46,14 @@ <h3>Demonstrates Adobe Flash capture &amp; display</h3>
         image_format: "jpeg",
         jpeg_quality: 90,
       });
-      Webcam.attach("#my_camera", true);
       Webcam.on("init", function () {
-        var cameras = Webcam.getCameras();
-        if (cameras.length > 0) {
-          Webcam.setCamera(cameras[cameras.length - 1]);
-        }
+        Webcam.getCameras(function (cameras) {
+          if (cameras.length > 0) {
+            Webcam.setCamera(cameras[cameras.length - 1].id);
+          }
+        });
       });
+      Webcam.attach("#my_camera", true);
     </script>
 
     <!-- A button for taking snaps -->
diff --git a/webcam.js b/webcam.js
index d64a6fa..f69a535 100644
--- a/webcam.js
+++ b/webcam.js
@@ -292,48 +292,51 @@ var Webcam = {
 			// add video element to dom
 			elem.appendChild( video );
 			this.video = video;
-			
-			// ask user for access to their camera
-			var self = this;
-			this.mediaDevices.getUserMedia({
-				"audio": false,
-				"video": this.params.constraints || {
-					mandatory: {
-						minWidth: this.params.dest_width,
-						minHeight: this.params.dest_height
+			this.inited = true;
+			this.dispatch("init");
+			if(!notInit) {
+				// ask user for access to their camera
+				var self = this;
+				this.mediaDevices.getUserMedia({
+					"audio": false,
+					"video": this.params.constraints || {
+						mandatory: {
+							minWidth: this.params.dest_width,
+							minHeight: this.params.dest_height
+						}
 					}
-				}
-			})
-			.then( function(stream) {
-				// got access, attach stream to video
-				video.onloadedmetadata = function(e) {
-					self.stream = stream;
-					self.loaded = true;
-					self.live = true;
-					self.dispatch('load');
-					self.dispatch('live');
-					self.flip();
-				};
-				// as window.URL.createObjectURL() is deprecated, adding a check so that it works in Safari.
-				// older browsers may not have srcObject
-				if ("srcObject" in video) {
-				  	video.srcObject = stream;
-				}
-				else {
-				  	// using URL.createObjectURL() as fallback for old browsers
-				  	video.src = window.URL.createObjectURL(stream);
-				}
-			})
-			.catch( function(err) {
-				// JH 2016-07-31 Instead of dispatching error, now falling back to Flash if userMedia fails (thx @john2014)
-				// JH 2016-08-07 But only if flash is actually installed -- if not, dispatch error here and now.
-				if (self.params.enable_flash && self.detectFlash()) {
-					setTimeout( function() { self.params.force_flash = 1; self.attach(elem); }, 1 );
-				}
-				else {
-					self.dispatch('error', err);
-				}
-			});
+				})
+				.then( function(stream) {
+					// got access, attach stream to video
+					video.onloadedmetadata = function(e) {
+						self.stream = stream;
+						self.loaded = true;
+						self.live = true;
+						self.dispatch('load');
+						self.dispatch('live');
+						self.flip();
+					};
+					// as window.URL.createObjectURL() is deprecated, adding a check so that it works in Safari.
+					// older browsers may not have srcObject
+					if ("srcObject" in video) {
+						video.srcObject = stream;
+					}
+					else {
+						// using URL.createObjectURL() as fallback for old browsers
+						video.src = window.URL.createObjectURL(stream);
+					}
+				})
+				.catch( function(err) {
+					// JH 2016-07-31 Instead of dispatching error, now falling back to Flash if userMedia fails (thx @john2014)
+					// JH 2016-08-07 But only if flash is actually installed -- if not, dispatch error here and now.
+					if (self.params.enable_flash && self.detectFlash()) {
+						setTimeout( function() { self.params.force_flash = 1; self.attach(elem); }, 1 );
+					}
+					else {
+						self.dispatch('error', err);
+					}
+				});
+			}
 		}
 		else if (this.iOS) {
 			// prepare HTML elements
@@ -474,16 +477,79 @@ var Webcam = {
 		}
 	},
 
-	getCameras: function () {
+	getCameras: function (success) {
 		if (this.userMedia) {
+			this.mediaDevices.enumerateDevices().then(function(devices) {
+				var data = [];
+				for(var i = 0;i < devices.length;i++) {
+					if(devices[i].kind === "videoinput") {
+						data.push({
+							id: devices[i].deviceId,
+							groupId: devices[i].groupId,
+							label: devices[i].label
+						});
+					}
+				}
+				success(data);
+			})
 		} else if (this.iOS) {
 		} else if (this.params.enable_flash && this.detectFlash()) {
-		  return this.getMovie()._getCameras();
+			var devices = this.getMovie()._getCameras();
+			var data = [];
+			for(var i = 0;i < devices.length;i++) {
+				data.push({
+					id: devices[i],
+					groupId: "",
+					label: devices[i]
+				});
+			}
+			success(data);
 		}
 	  },
   
 	setCamera: function (name) {
 		if (this.userMedia) {
+			// ask user for access to their camera
+			var self = this;
+			var video = this.video;
+			this.mediaDevices.getUserMedia({
+				"audio": false,
+				"video": {
+					deviceId: {
+						exact: name,
+					}
+				}
+			})
+			.then( function(stream) {
+				// got access, attach stream to video
+				video.onloadedmetadata = function(e) {
+					self.stream = stream;
+					self.loaded = true;
+					self.live = true;
+					self.dispatch('load');
+					self.dispatch('live');
+					self.flip();
+				};
+				// as window.URL.createObjectURL() is deprecated, adding a check so that it works in Safari.
+				// older browsers may not have srcObject
+				if ("srcObject" in video) {
+					video.srcObject = stream;
+				}
+				else {
+					// using URL.createObjectURL() as fallback for old browsers
+					video.src = window.URL.createObjectURL(stream);
+				}
+			})
+			.catch( function(err) {
+				// JH 2016-07-31 Instead of dispatching error, now falling back to Flash if userMedia fails (thx @john2014)
+				// JH 2016-08-07 But only if flash is actually installed -- if not, dispatch error here and now.
+				if (self.params.enable_flash && self.detectFlash()) {
+					setTimeout( function() { self.params.force_flash = 1; self.attach(elem); }, 1 );
+				}
+				else {
+					self.dispatch('error', err);
+				}
+			});
 		} else if (this.iOS) {
 		} else if (this.params.enable_flash && this.detectFlash()) {
 		  var movie = this.getMovie();

From 826cc29b444ce9ac362f6497bdd24f8c93e6eafd Mon Sep 17 00:00:00 2001
From: narro <501xs05@163.com>
Date: Wed, 22 Apr 2020 15:08:39 +0800
Subject: [PATCH 5/7] chore: build min.js

---
 webcam.min.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/webcam.min.js b/webcam.min.js
index ef1f196..b74f56d 100644
--- a/webcam.min.js
+++ b/webcam.min.js
@@ -1 +1 @@
-(function(u){var v;function l(){var e=Error.apply(this,arguments);e.name=this.name="FlashError";this.stack=e.stack;this.message=e.message}function g(){var e=Error.apply(this,arguments);e.name=this.name="WebcamError";this.stack=e.stack;this.message=e.message}var e=function(){};e.prototype=Error.prototype;l.prototype=new e;g.prototype=new e;var w={version:"1.0.26",protocol:location.protocol.match(/https/i)?"https":"http",inited:false,loaded:false,live:false,userMedia:true,iOS:/iPad|iPhone|iPod/.test(navigator.userAgent)&&!u.MSStream,params:{width:0,height:0,dest_width:0,dest_height:0,image_format:"jpeg",jpeg_quality:90,enable_flash:true,force_flash:false,flip_horiz:false,fps:30,upload_name:"webcam",constraints:null,swfURL:"",flashNotDetectedText:"ERROR: No Adobe Flash Player detected.  Webcam.js relies on Flash for browsers that do not support getUserMedia (like yours).",noInterfaceFoundText:"No supported webcam interface found.",unfreeze_snap:true,iosPlaceholderText:"Click here to open camera.",user_callback:null,user_canvas:null},errors:{FlashError:l,WebcamError:g},hooks:{},init:function(){var t=this;this.mediaDevices=navigator.mediaDevices&&navigator.mediaDevices.getUserMedia?navigator.mediaDevices:navigator.mozGetUserMedia||navigator.webkitGetUserMedia?{getUserMedia:function(a){return new Promise(function(e,t){(navigator.mozGetUserMedia||navigator.webkitGetUserMedia).call(navigator,a,e,t)})}}:null;u.URL=u.URL||u.webkitURL||u.mozURL||u.msURL;this.userMedia=this.userMedia&&!!this.mediaDevices&&!!u.URL;if(navigator.userAgent.match(/Firefox\D+(\d+)/)){if(parseInt(RegExp.$1,10)<21)this.userMedia=null}if(this.userMedia){u.addEventListener("beforeunload",function(e){t.reset()})}},exifOrientation:function(e){var t=new DataView(e);if(t.getUint8(0)!=255||t.getUint8(1)!=216){console.log("Not a valid JPEG file");return 0}var a=2;var i=null;while(a<e.byteLength){if(t.getUint8(a)!=255){console.log("Not a valid marker at offset "+a+", found: "+t.getUint8(a));return 0}i=t.getUint8(a+1);if(i==225){a+=4;var s="";for(n=0;n<4;n++){s+=String.fromCharCode(t.getUint8(a+n))}if(s!="Exif"){console.log("Not valid EXIF data found");return 0}a+=6;var r=null;if(t.getUint16(a)==18761){r=false}else if(t.getUint16(a)==19789){r=true}else{console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");return 0}if(t.getUint16(a+2,!r)!=42){console.log("Not valid TIFF data! (no 0x002A)");return 0}var o=t.getUint32(a+4,!r);if(o<8){console.log("Not valid TIFF data! (First offset less than 8)",t.getUint32(a+4,!r));return 0}var h=a+o;var l=t.getUint16(h,!r);for(var c=0;c<l;c++){var d=h+c*12+2;if(t.getUint16(d,!r)==274){var f=t.getUint16(d+2,!r);var m=t.getUint32(d+4,!r);if(f!=3&&m!=1){console.log("Invalid EXIF orientation value type ("+f+") or count ("+m+")");return 0}var p=t.getUint16(d+8,!r);if(p<1||p>8){console.log("Invalid EXIF orientation value ("+p+")");return 0}return p}}}else{a+=2+t.getUint16(a+2)}}return 0},fixOrientation:function(e,i,s){var r=new Image;r.addEventListener("load",function(e){var t=document.createElement("canvas");var a=t.getContext("2d");if(i<5){t.width=r.width;t.height=r.height}else{t.width=r.height;t.height=r.width}switch(i){case 2:a.transform(-1,0,0,1,r.width,0);break;case 3:a.transform(-1,0,0,-1,r.width,r.height);break;case 4:a.transform(1,0,0,-1,0,r.height);break;case 5:a.transform(0,1,1,0,0,0);break;case 6:a.transform(0,1,-1,0,r.height,0);break;case 7:a.transform(0,-1,-1,0,r.height,r.width);break;case 8:a.transform(0,-1,1,0,0,r.width);break}a.drawImage(r,0,0);s.src=t.toDataURL()},false);r.src=e},attach:function(t,e){if(typeof t=="string"){t=document.getElementById(t)||document.querySelector(t)}if(!t){return this.dispatch("error",new g("Could not locate DOM element to attach to."))}this.container=t;t.innerHTML="";var a=document.createElement("div");t.appendChild(a);this.peg=a;if(!this.params.width)this.params.width=t.offsetWidth;if(!this.params.height)this.params.height=t.offsetHeight;if(!this.params.width||!this.params.height){return this.dispatch("error",new g("No width and/or height for webcam.  Please call set() first, or attach to a visible element."))}if(!this.params.dest_width)this.params.dest_width=this.params.width;if(!this.params.dest_height)this.params.dest_height=this.params.height;this.userMedia=v===undefined?this.userMedia:v;if(this.params.force_flash){v=this.userMedia;this.userMedia=null}if(typeof this.params.fps!=="number")this.params.fps=30;var i=this.params.width/this.params.dest_width;var s=this.params.height/this.params.dest_height;if(this.userMedia){var r=document.createElement("video");r.setAttribute("autoplay","autoplay");r.setAttribute("playsinline","playsinline");r.style.width=""+this.params.dest_width+"px";r.style.height=""+this.params.dest_height+"px";if(i!=1||s!=1){t.style.overflow="hidden";r.style.webkitTransformOrigin="0px 0px";r.style.mozTransformOrigin="0px 0px";r.style.msTransformOrigin="0px 0px";r.style.oTransformOrigin="0px 0px";r.style.transformOrigin="0px 0px";r.style.webkitTransform="scaleX("+i+") scaleY("+s+")";r.style.mozTransform="scaleX("+i+") scaleY("+s+")";r.style.msTransform="scaleX("+i+") scaleY("+s+")";r.style.oTransform="scaleX("+i+") scaleY("+s+")";r.style.transform="scaleX("+i+") scaleY("+s+")"}t.appendChild(r);this.video=r;var o=this;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){r.onloadedmetadata=function(e){o.stream=t;o.loaded=true;o.live=true;o.dispatch("load");o.dispatch("live");o.flip()};if("srcObject"in r){r.srcObject=t}else{r.src=u.URL.createObjectURL(t)}}).catch(function(e){if(o.params.enable_flash&&o.detectFlash()){setTimeout(function(){o.params.force_flash=1;o.attach(t)},1)}else{o.dispatch("error",e)}})}else if(this.iOS){var l=document.createElement("div");l.id=this.container.id+"-ios_div";l.className="webcamjs-ios-placeholder";l.style.width=""+this.params.width+"px";l.style.height=""+this.params.height+"px";l.style.textAlign="center";l.style.display="table-cell";l.style.verticalAlign="middle";l.style.backgroundRepeat="no-repeat";l.style.backgroundSize="contain";l.style.backgroundPosition="center";var n=document.createElement("span");n.className="webcamjs-ios-text";n.innerHTML=this.params.iosPlaceholderText;l.appendChild(n);var c=document.createElement("img");c.id=this.container.id+"-ios_img";c.style.width=""+this.params.dest_width+"px";c.style.height=""+this.params.dest_height+"px";c.style.display="none";l.appendChild(c);var h=document.createElement("input");h.id=this.container.id+"-ios_input";h.setAttribute("type","file");h.setAttribute("accept","image/*");h.setAttribute("capture","camera");var o=this;var d=this.params;h.addEventListener("change",function(e){if(e.target.files.length>0&&e.target.files[0].type.indexOf("image/")==0){var a=URL.createObjectURL(e.target.files[0]);var h=new Image;h.addEventListener("load",function(e){var t=document.createElement("canvas");t.width=d.dest_width;t.height=d.dest_height;var a=t.getContext("2d");ratio=Math.min(h.width/d.dest_width,h.height/d.dest_height);var i=d.dest_width*ratio;var s=d.dest_height*ratio;var r=(h.width-i)/2;var o=(h.height-s)/2;a.drawImage(h,r,o,i,s,0,0,d.dest_width,d.dest_height);var n=t.toDataURL();c.src=n;l.style.backgroundImage="url('"+n+"')"},false);var t=new FileReader;t.addEventListener("load",function(e){var t=o.exifOrientation(e.target.result);if(t>1){o.fixOrientation(a,t,h)}else{h.src=a}},false);var i=new XMLHttpRequest;i.open("GET",a,true);i.responseType="blob";i.onload=function(e){if(this.status==200||this.status===0){t.readAsArrayBuffer(this.response)}};i.send()}},false);h.style.display="none";t.appendChild(h);l.addEventListener("click",function(e){if(d.user_callback){o.snap(d.user_callback,d.user_canvas)}else{h.style.display="block";h.focus();h.click();h.style.display="none"}},false);t.appendChild(l);this.loaded=true;this.live=true}else if(this.params.enable_flash&&this.detectFlash()){u.Webcam=w;var l=document.createElement("div");l.innerHTML=this.getSWFHTML();t.appendChild(l);var f=this;if(!e){this.on("init",function(){f.getMovie()._initCamera()})}}else{this.dispatch("error",new g(this.params.noInterfaceFoundText))}if(this.params.crop_width&&this.params.crop_height){var m=Math.floor(this.params.crop_width*i);var p=Math.floor(this.params.crop_height*s);t.style.width=""+m+"px";t.style.height=""+p+"px";t.style.overflow="hidden";t.scrollLeft=Math.floor(this.params.width/2-m/2);t.scrollTop=Math.floor(this.params.height/2-p/2)}else{t.style.width=""+this.params.width+"px";t.style.height=""+this.params.height+"px"}},getCameras:function(){if(this.userMedia){}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){return this.getMovie()._getCameras()}},setCamera:function(e){if(this.userMedia){}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._setCamera(e);t._initCamera()}},reset:function(){if(this.preview_active)this.unfreeze();this.unflip();if(this.userMedia){if(this.stream){if(this.stream.getVideoTracks){var e=this.stream.getVideoTracks();if(e&&e[0]&&e[0].stop)e[0].stop()}else if(this.stream.stop){this.stream.stop()}}delete this.stream;delete this.video}if(this.userMedia!==true&&this.loaded&&!this.iOS){var t=this.getMovie();if(t&&t._releaseCamera)t._releaseCamera()}if(this.container){this.container.innerHTML="";delete this.container}this.loaded=false;this.live=false},set:function(){if(arguments.length==1){for(var e in arguments[0]){this.params[e]=arguments[0][e]}}else{this.params[arguments[0]]=arguments[1]}},on:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(!this.hooks[e])this.hooks[e]=[];this.hooks[e].push(t)},off:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(this.hooks[e]){if(t){var a=this.hooks[e].indexOf(t);if(a>-1)this.hooks[e].splice(a,1)}else{this.hooks[e]=[]}}},dispatch:function(){var e=arguments[0].replace(/^on/i,"").toLowerCase();var t=Array.prototype.slice.call(arguments,1);if(this.hooks[e]&&this.hooks[e].length){for(var a=0,i=this.hooks[e].length;a<i;a++){var s=this.hooks[e][a];if(typeof s=="function"){s.apply(this,t)}else if(typeof s=="object"&&s.length==2){s[0][s[1]].apply(s[0],t)}else if(u[s]){u[s].apply(u,t)}}return true}else if(e=="error"){var r;if(t[0]instanceof l||t[0]instanceof g){r=t[0].message}else{r="Could not access webcam: "+t[0].name+": "+t[0].message+" "+t[0].toString()}alert("Webcam.js Error: "+r)}return false},setSWFLocation:function(e){this.set("swfURL",e)},detectFlash:function(){var e="Shockwave Flash",t="ShockwaveFlash.ShockwaveFlash",a="application/x-shockwave-flash",i=u,s=navigator,r=false;if(typeof s.plugins!=="undefined"&&typeof s.plugins[e]==="object"){var o=s.plugins[e].description;if(o&&(typeof s.mimeTypes!=="undefined"&&s.mimeTypes[a]&&s.mimeTypes[a].enabledPlugin)){r=true}}else if(typeof i.ActiveXObject!=="undefined"){try{var n=new ActiveXObject(t);if(n){var h=n.GetVariable("$version");if(h)r=true}}catch(e){}}return r},getSWFHTML:function(){var e="",t=this.params.swfURL;if(location.protocol.match(/file/)){this.dispatch("error",new l("Flash does not work from local disk.  Please run from a web server."));return'<h3 style="color:red">ERROR: the Webcam.js Flash fallback does not work from local disk.  Please run it from a web server.</h3>'}if(!this.detectFlash()){this.dispatch("error",new l("Adobe Flash Player not found.  Please install from get.adobe.com/flashplayer and try again."));return'<h3 style="color:red">'+this.params.flashNotDetectedText+"</h3>"}if(!t){var a="";var i=document.getElementsByTagName("script");for(var s=0,r=i.length;s<r;s++){var o=i[s].getAttribute("src");if(o&&o.match(/\/webcam(\.min)?\.js/)){a=o.replace(/\/webcam(\.min)?\.js.*$/,"");s=r}}if(a)t=a+"/webcam.swf";else t="webcam.swf"}if(u.localStorage&&!localStorage.getItem("visited")){this.params.new_user=1;localStorage.setItem("visited",1)}var n="";for(var h in this.params){if(n)n+="&";n+=h+"="+escape(this.params[h])}e+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" type="application/x-shockwave-flash" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="wmode" value="opaque" /><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+t+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+n+'"/><embed id="webcam_movie_embed" src="'+t+'" wmode="opaque" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+n+'"></embed></object>';return e},getMovie:function(){if(!this.inited)return this.dispatch("error",new l("Flash Movie is not loaded yet"));var e=document.getElementById("webcam_movie_obj");if(!e||!e._snap)e=document.getElementById("webcam_movie_embed");if(!e)this.dispatch("error",new l("Cannot locate Flash movie in DOM"));return e},freeze:function(){var e=this;var t=this.params;if(this.preview_active)this.unfreeze();var a=this.params.width/this.params.dest_width;var i=this.params.height/this.params.dest_height;this.unflip();var s=t.crop_width||t.dest_width;var r=t.crop_height||t.dest_height;var o=document.createElement("canvas");o.width=s;o.height=r;var n=o.getContext("2d");this.preview_canvas=o;this.preview_context=n;if(a!=1||i!=1){o.style.webkitTransformOrigin="0px 0px";o.style.mozTransformOrigin="0px 0px";o.style.msTransformOrigin="0px 0px";o.style.oTransformOrigin="0px 0px";o.style.transformOrigin="0px 0px";o.style.webkitTransform="scaleX("+a+") scaleY("+i+")";o.style.mozTransform="scaleX("+a+") scaleY("+i+")";o.style.msTransform="scaleX("+a+") scaleY("+i+")";o.style.oTransform="scaleX("+a+") scaleY("+i+")";o.style.transform="scaleX("+a+") scaleY("+i+")"}this.snap(function(){o.style.position="relative";o.style.left=""+e.container.scrollLeft+"px";o.style.top=""+e.container.scrollTop+"px";e.container.insertBefore(o,e.peg);e.container.style.overflow="hidden";e.preview_active=true},o)},unfreeze:function(){if(this.preview_active){this.container.removeChild(this.preview_canvas);delete this.preview_context;delete this.preview_canvas;this.preview_active=false;this.flip()}},flip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(-1)";e.mozTransform="scaleX(-1)";e.msTransform="scaleX(-1)";e.oTransform="scaleX(-1)";e.transform="scaleX(-1)";e.filter="FlipH";e.msFilter="FlipH"}},unflip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(1)";e.mozTransform="scaleX(1)";e.msTransform="scaleX(1)";e.oTransform="scaleX(1)";e.transform="scaleX(1)";e.filter="";e.msFilter=""}},savePreview:function(e,t){var a=this.params;var i=this.preview_canvas;var s=this.preview_context;if(t){var r=t.getContext("2d");r.drawImage(i,0,0)}e(t?null:i.toDataURL("image/"+a.image_format,a.jpeg_quality/100),i,s);if(this.params.unfreeze_snap)this.unfreeze()},snap:function(i,s){if(!i)i=this.params.user_callback;if(!s)s=this.params.user_canvas;var e=this;var r=this.params;if(!this.loaded)return this.dispatch("error",new g("Webcam is not loaded yet"));if(!i)return this.dispatch("error",new g("Please provide a callback function or canvas to snap()"));if(this.preview_active){this.savePreview(i,s);return null}var o=document.createElement("canvas");o.width=this.params.dest_width;o.height=this.params.dest_height;var n=o.getContext("2d");if(this.params.flip_horiz){n.translate(r.dest_width,0);n.scale(-1,1)}var t=function(){if(this.src&&this.width&&this.height){n.drawImage(this,0,0,r.dest_width,r.dest_height)}if(r.crop_width&&r.crop_height){var e=document.createElement("canvas");e.width=r.crop_width;e.height=r.crop_height;var t=e.getContext("2d");t.drawImage(o,Math.floor(r.dest_width/2-r.crop_width/2),Math.floor(r.dest_height/2-r.crop_height/2),r.crop_width,r.crop_height,0,0,r.crop_width,r.crop_height);n=t;o=e}if(s){var a=s.getContext("2d");a.drawImage(o,0,0)}i(s?null:o.toDataURL("image/"+r.image_format,r.jpeg_quality/100),o,n)};if(this.userMedia){n.drawImage(this.video,0,0,this.params.dest_width,this.params.dest_height);t()}else if(this.iOS){var a=document.getElementById(this.container.id+"-ios_div");var h=document.getElementById(this.container.id+"-ios_img");var l=document.getElementById(this.container.id+"-ios_input");iFunc=function(e){t.call(h);h.removeEventListener("load",iFunc);a.style.backgroundImage="none";h.removeAttribute("src");l.value=null};if(!l.value){h.addEventListener("load",iFunc);l.style.display="block";l.focus();l.click();l.style.display="none"}else{iFunc(null)}}else{var c=this.getMovie()._snap();var h=new Image;h.onload=t;h.src="data:image/"+this.params.image_format+";base64,"+c}return null},configure:function(e){if(!e)e="camera";this.getMovie()._configure(e)},flashNotify:function(e,t){switch(e){case"flashInitComplete":this.inited=true;this.dispatch("init");break;case"flashLoadComplete":this.loaded=true;this.dispatch("load");break;case"cameraLive":this.live=true;this.dispatch("live");break;case"error":this.dispatch("error",new l(t));break;default:break}},b64ToUint6:function(e){return e>64&&e<91?e-65:e>96&&e<123?e-71:e>47&&e<58?e+4:e===43?62:e===47?63:0},base64DecToArr:function(e,t){var a=e.replace(/[^A-Za-z0-9\+\/]/g,""),i=a.length,s=t?Math.ceil((i*3+1>>2)/t)*t:i*3+1>>2,r=new Uint8Array(s);for(var o,n,h=0,l=0,c=0;c<i;c++){n=c&3;h|=this.b64ToUint6(a.charCodeAt(c))<<18-6*n;if(n===3||i-c===1){for(o=0;o<3&&l<s;o++,l++){r[l]=h>>>(16>>>o&24)&255}h=0}}return r},upload:function(e,t,a){var i=this.params.upload_name||"webcam";var s="";if(e.match(/^data\:image\/(\w+)/))s=RegExp.$1;else throw"Cannot locate image format in Data URI";var r=e.replace(/^data\:image\/\w+\;base64\,/,"");var o=new XMLHttpRequest;o.open("POST",t,true);if(o.upload&&o.upload.addEventListener){o.upload.addEventListener("progress",function(e){if(e.lengthComputable){var t=e.loaded/e.total;w.dispatch("uploadProgress",t,e)}},false)}var n=this;o.onload=function(){if(a)a.apply(n,[o.status,o.responseText,o.statusText]);w.dispatch("uploadComplete",o.status,o.responseText,o.statusText)};var h=new Blob([this.base64DecToArr(r)],{type:"image/"+s});var l=new FormData;l.append(i,h,i+"."+s.replace(/e/,""));o.send(l)}};w.init();if(typeof define==="function"&&define.amd){define(function(){return w})}else if(typeof module==="object"&&module.exports){module.exports=w}else{u.Webcam=w}})(window);
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Webcam.js relies on Flash for browsers that do not support getUserMedia (like yours).",noInterfaceFoundText:"No supported webcam interface found.",unfreeze_snap:true,iosPlaceholderText:"Click here to open camera.",user_callback:null,user_canvas:null},errors:{FlashError:l,WebcamError:g},hooks:{},init:function(){var t=this;this.mediaDevices=navigator.mediaDevices&&navigator.mediaDevices.getUserMedia?navigator.mediaDevices:navigator.mozGetUserMedia||navigator.webkitGetUserMedia?{getUserMedia:function(a){return new Promise(function(e,t){(navigator.mozGetUserMedia||navigator.webkitGetUserMedia).call(navigator,a,e,t)})}}:null;u.URL=u.URL||u.webkitURL||u.mozURL||u.msURL;this.userMedia=this.userMedia&&!!this.mediaDevices&&!!u.URL;if(navigator.userAgent.match(/Firefox\D+(\d+)/)){if(parseInt(RegExp.$1,10)<21)this.userMedia=null}if(this.userMedia){u.addEventListener("beforeunload",function(e){t.reset()})}},exifOrientation:function(e){var t=new DataView(e);if(t.getUint8(0)!=255||t.getUint8(1)!=216){console.log("Not a valid JPEG file");return 0}var a=2;var i=null;while(a<e.byteLength){if(t.getUint8(a)!=255){console.log("Not a valid marker at offset "+a+", found: "+t.getUint8(a));return 0}i=t.getUint8(a+1);if(i==225){a+=4;var s="";for(n=0;n<4;n++){s+=String.fromCharCode(t.getUint8(a+n))}if(s!="Exif"){console.log("Not valid EXIF data found");return 0}a+=6;var r=null;if(t.getUint16(a)==18761){r=false}else if(t.getUint16(a)==19789){r=true}else{console.log("Not valid TIFF data! 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Please call set() first, or attach to a visible element."))}if(!this.params.dest_width)this.params.dest_width=this.params.width;if(!this.params.dest_height)this.params.dest_height=this.params.height;this.userMedia=v===undefined?this.userMedia:v;if(this.params.force_flash){v=this.userMedia;this.userMedia=null}if(typeof this.params.fps!=="number")this.params.fps=30;var i=this.params.width/this.params.dest_width;var s=this.params.height/this.params.dest_height;if(this.userMedia){var r=document.createElement("video");r.setAttribute("autoplay","autoplay");r.setAttribute("playsinline","playsinline");r.style.width=""+this.params.dest_width+"px";r.style.height=""+this.params.dest_height+"px";if(i!=1||s!=1){t.style.overflow="hidden";r.style.webkitTransformOrigin="0px 0px";r.style.mozTransformOrigin="0px 0px";r.style.msTransformOrigin="0px 0px";r.style.oTransformOrigin="0px 0px";r.style.transformOrigin="0px 0px";r.style.webkitTransform="scaleX("+i+") scaleY("+s+")";r.style.mozTransform="scaleX("+i+") scaleY("+s+")";r.style.msTransform="scaleX("+i+") scaleY("+s+")";r.style.oTransform="scaleX("+i+") scaleY("+s+")";r.style.transform="scaleX("+i+") scaleY("+s+")"}t.appendChild(r);this.video=r;this.inited=true;this.dispatch("init");if(!e){var o=this;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){r.onloadedmetadata=function(e){o.stream=t;o.loaded=true;o.live=true;o.dispatch("load");o.dispatch("live");o.flip()};if("srcObject"in r){r.srcObject=t}else{r.src=u.URL.createObjectURL(t)}}).catch(function(e){if(o.params.enable_flash&&o.detectFlash()){setTimeout(function(){o.params.force_flash=1;o.attach(t)},1)}else{o.dispatch("error",e)}})}}else if(this.iOS){var l=document.createElement("div");l.id=this.container.id+"-ios_div";l.className="webcamjs-ios-placeholder";l.style.width=""+this.params.width+"px";l.style.height=""+this.params.height+"px";l.style.textAlign="center";l.style.display="table-cell";l.style.verticalAlign="middle";l.style.backgroundRepeat="no-repeat";l.style.backgroundSize="contain";l.style.backgroundPosition="center";var n=document.createElement("span");n.className="webcamjs-ios-text";n.innerHTML=this.params.iosPlaceholderText;l.appendChild(n);var c=document.createElement("img");c.id=this.container.id+"-ios_img";c.style.width=""+this.params.dest_width+"px";c.style.height=""+this.params.dest_height+"px";c.style.display="none";l.appendChild(c);var h=document.createElement("input");h.id=this.container.id+"-ios_input";h.setAttribute("type","file");h.setAttribute("accept","image/*");h.setAttribute("capture","camera");var o=this;var d=this.params;h.addEventListener("change",function(e){if(e.target.files.length>0&&e.target.files[0].type.indexOf("image/")==0){var a=URL.createObjectURL(e.target.files[0]);var h=new Image;h.addEventListener("load",function(e){var t=document.createElement("canvas");t.width=d.dest_width;t.height=d.dest_height;var a=t.getContext("2d");ratio=Math.min(h.width/d.dest_width,h.height/d.dest_height);var i=d.dest_width*ratio;var s=d.dest_height*ratio;var r=(h.width-i)/2;var o=(h.height-s)/2;a.drawImage(h,r,o,i,s,0,0,d.dest_width,d.dest_height);var n=t.toDataURL();c.src=n;l.style.backgroundImage="url('"+n+"')"},false);var t=new FileReader;t.addEventListener("load",function(e){var t=o.exifOrientation(e.target.result);if(t>1){o.fixOrientation(a,t,h)}else{h.src=a}},false);var i=new XMLHttpRequest;i.open("GET",a,true);i.responseType="blob";i.onload=function(e){if(this.status==200||this.status===0){t.readAsArrayBuffer(this.response)}};i.send()}},false);h.style.display="none";t.appendChild(h);l.addEventListener("click",function(e){if(d.user_callback){o.snap(d.user_callback,d.user_canvas)}else{h.style.display="block";h.focus();h.click();h.style.display="none"}},false);t.appendChild(l);this.loaded=true;this.live=true}else if(this.params.enable_flash&&this.detectFlash()){u.Webcam=w;var l=document.createElement("div");l.innerHTML=this.getSWFHTML();t.appendChild(l);var f=this;if(!e){this.on("init",function(){f.getMovie()._initCamera()})}}else{this.dispatch("error",new g(this.params.noInterfaceFoundText))}if(this.params.crop_width&&this.params.crop_height){var m=Math.floor(this.params.crop_width*i);var p=Math.floor(this.params.crop_height*s);t.style.width=""+m+"px";t.style.height=""+p+"px";t.style.overflow="hidden";t.scrollLeft=Math.floor(this.params.width/2-m/2);t.scrollTop=Math.floor(this.params.height/2-p/2)}else{t.style.width=""+this.params.width+"px";t.style.height=""+this.params.height+"px"}},getCameras:function(i){if(this.userMedia){this.mediaDevices.enumerateDevices().then(function(e){var t=[];for(var a=0;a<e.length;a++){if(e[a].kind==="videoinput"){t.push({id:e[a].deviceId,groupId:e[a].groupId,label:e[a].label})}}i(t)})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var e=this.getMovie()._getCameras();var t=[];for(var a=0;a<e.length;a++){t.push({id:e[a],groupId:"",label:e[a]})}i(t)}},setCamera:function(e){if(this.userMedia){var a=this;var i=this.video;this.mediaDevices.getUserMedia({audio:false,video:{deviceId:{exact:e}}}).then(function(t){i.onloadedmetadata=function(e){a.stream=t;a.loaded=true;a.live=true;a.dispatch("load");a.dispatch("live");a.flip()};if("srcObject"in i){i.srcObject=t}else{i.src=u.URL.createObjectURL(t)}}).catch(function(e){if(a.params.enable_flash&&a.detectFlash()){setTimeout(function(){a.params.force_flash=1;a.attach(elem)},1)}else{a.dispatch("error",e)}})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._setCamera(e);t._initCamera()}},reset:function(){if(this.preview_active)this.unfreeze();this.unflip();if(this.userMedia){if(this.stream){if(this.stream.getVideoTracks){var e=this.stream.getVideoTracks();if(e&&e[0]&&e[0].stop)e[0].stop()}else if(this.stream.stop){this.stream.stop()}}delete this.stream;delete this.video}if(this.userMedia!==true&&this.loaded&&!this.iOS){var t=this.getMovie();if(t&&t._releaseCamera)t._releaseCamera()}if(this.container){this.container.innerHTML="";delete this.container}this.loaded=false;this.live=false},set:function(){if(arguments.length==1){for(var e in arguments[0]){this.params[e]=arguments[0][e]}}else{this.params[arguments[0]]=arguments[1]}},on:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(!this.hooks[e])this.hooks[e]=[];this.hooks[e].push(t)},off:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(this.hooks[e]){if(t){var a=this.hooks[e].indexOf(t);if(a>-1)this.hooks[e].splice(a,1)}else{this.hooks[e]=[]}}},dispatch:function(){var e=arguments[0].replace(/^on/i,"").toLowerCase();var t=Array.prototype.slice.call(arguments,1);if(this.hooks[e]&&this.hooks[e].length){for(var a=0,i=this.hooks[e].length;a<i;a++){var s=this.hooks[e][a];if(typeof s=="function"){s.apply(this,t)}else if(typeof s=="object"&&s.length==2){s[0][s[1]].apply(s[0],t)}else if(u[s]){u[s].apply(u,t)}}return true}else if(e=="error"){var r;if(t[0]instanceof l||t[0]instanceof g){r=t[0].message}else{r="Could not access webcam: "+t[0].name+": "+t[0].message+" "+t[0].toString()}alert("Webcam.js Error: "+r)}return false},setSWFLocation:function(e){this.set("swfURL",e)},detectFlash:function(){var e="Shockwave Flash",t="ShockwaveFlash.ShockwaveFlash",a="application/x-shockwave-flash",i=u,s=navigator,r=false;if(typeof s.plugins!=="undefined"&&typeof s.plugins[e]==="object"){var o=s.plugins[e].description;if(o&&(typeof s.mimeTypes!=="undefined"&&s.mimeTypes[a]&&s.mimeTypes[a].enabledPlugin)){r=true}}else if(typeof i.ActiveXObject!=="undefined"){try{var n=new ActiveXObject(t);if(n){var h=n.GetVariable("$version");if(h)r=true}}catch(e){}}return r},getSWFHTML:function(){var e="",t=this.params.swfURL;if(location.protocol.match(/file/)){this.dispatch("error",new l("Flash does not work from local disk.  Please run from a web server."));return'<h3 style="color:red">ERROR: the Webcam.js Flash fallback does not work from local disk.  Please run it from a web server.</h3>'}if(!this.detectFlash()){this.dispatch("error",new l("Adobe Flash Player not found.  Please install from get.adobe.com/flashplayer and try again."));return'<h3 style="color:red">'+this.params.flashNotDetectedText+"</h3>"}if(!t){var a="";var i=document.getElementsByTagName("script");for(var s=0,r=i.length;s<r;s++){var o=i[s].getAttribute("src");if(o&&o.match(/\/webcam(\.min)?\.js/)){a=o.replace(/\/webcam(\.min)?\.js.*$/,"");s=r}}if(a)t=a+"/webcam.swf";else t="webcam.swf"}if(u.localStorage&&!localStorage.getItem("visited")){this.params.new_user=1;localStorage.setItem("visited",1)}var n="";for(var h in this.params){if(n)n+="&";n+=h+"="+escape(this.params[h])}e+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" type="application/x-shockwave-flash" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="wmode" value="opaque" /><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+t+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+n+'"/><embed id="webcam_movie_embed" src="'+t+'" wmode="opaque" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+n+'"></embed></object>';return e},getMovie:function(){if(!this.inited)return this.dispatch("error",new l("Flash Movie is not loaded yet"));var e=document.getElementById("webcam_movie_obj");if(!e||!e._snap)e=document.getElementById("webcam_movie_embed");if(!e)this.dispatch("error",new l("Cannot locate Flash movie in DOM"));return e},freeze:function(){var e=this;var t=this.params;if(this.preview_active)this.unfreeze();var a=this.params.width/this.params.dest_width;var i=this.params.height/this.params.dest_height;this.unflip();var s=t.crop_width||t.dest_width;var r=t.crop_height||t.dest_height;var o=document.createElement("canvas");o.width=s;o.height=r;var n=o.getContext("2d");this.preview_canvas=o;this.preview_context=n;if(a!=1||i!=1){o.style.webkitTransformOrigin="0px 0px";o.style.mozTransformOrigin="0px 0px";o.style.msTransformOrigin="0px 0px";o.style.oTransformOrigin="0px 0px";o.style.transformOrigin="0px 0px";o.style.webkitTransform="scaleX("+a+") scaleY("+i+")";o.style.mozTransform="scaleX("+a+") scaleY("+i+")";o.style.msTransform="scaleX("+a+") scaleY("+i+")";o.style.oTransform="scaleX("+a+") scaleY("+i+")";o.style.transform="scaleX("+a+") scaleY("+i+")"}this.snap(function(){o.style.position="relative";o.style.left=""+e.container.scrollLeft+"px";o.style.top=""+e.container.scrollTop+"px";e.container.insertBefore(o,e.peg);e.container.style.overflow="hidden";e.preview_active=true},o)},unfreeze:function(){if(this.preview_active){this.container.removeChild(this.preview_canvas);delete this.preview_context;delete this.preview_canvas;this.preview_active=false;this.flip()}},flip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(-1)";e.mozTransform="scaleX(-1)";e.msTransform="scaleX(-1)";e.oTransform="scaleX(-1)";e.transform="scaleX(-1)";e.filter="FlipH";e.msFilter="FlipH"}},unflip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(1)";e.mozTransform="scaleX(1)";e.msTransform="scaleX(1)";e.oTransform="scaleX(1)";e.transform="scaleX(1)";e.filter="";e.msFilter=""}},savePreview:function(e,t){var a=this.params;var i=this.preview_canvas;var s=this.preview_context;if(t){var r=t.getContext("2d");r.drawImage(i,0,0)}e(t?null:i.toDataURL("image/"+a.image_format,a.jpeg_quality/100),i,s);if(this.params.unfreeze_snap)this.unfreeze()},snap:function(i,s){if(!i)i=this.params.user_callback;if(!s)s=this.params.user_canvas;var e=this;var r=this.params;if(!this.loaded)return this.dispatch("error",new g("Webcam is not loaded yet"));if(!i)return this.dispatch("error",new g("Please provide a callback function or canvas to snap()"));if(this.preview_active){this.savePreview(i,s);return null}var o=document.createElement("canvas");o.width=this.params.dest_width;o.height=this.params.dest_height;var n=o.getContext("2d");if(this.params.flip_horiz){n.translate(r.dest_width,0);n.scale(-1,1)}var t=function(){if(this.src&&this.width&&this.height){n.drawImage(this,0,0,r.dest_width,r.dest_height)}if(r.crop_width&&r.crop_height){var e=document.createElement("canvas");e.width=r.crop_width;e.height=r.crop_height;var t=e.getContext("2d");t.drawImage(o,Math.floor(r.dest_width/2-r.crop_width/2),Math.floor(r.dest_height/2-r.crop_height/2),r.crop_width,r.crop_height,0,0,r.crop_width,r.crop_height);n=t;o=e}if(s){var a=s.getContext("2d");a.drawImage(o,0,0)}i(s?null:o.toDataURL("image/"+r.image_format,r.jpeg_quality/100),o,n)};if(this.userMedia){n.drawImage(this.video,0,0,this.params.dest_width,this.params.dest_height);t()}else if(this.iOS){var a=document.getElementById(this.container.id+"-ios_div");var h=document.getElementById(this.container.id+"-ios_img");var l=document.getElementById(this.container.id+"-ios_input");iFunc=function(e){t.call(h);h.removeEventListener("load",iFunc);a.style.backgroundImage="none";h.removeAttribute("src");l.value=null};if(!l.value){h.addEventListener("load",iFunc);l.style.display="block";l.focus();l.click();l.style.display="none"}else{iFunc(null)}}else{var c=this.getMovie()._snap();var h=new Image;h.onload=t;h.src="data:image/"+this.params.image_format+";base64,"+c}return null},configure:function(e){if(!e)e="camera";this.getMovie()._configure(e)},flashNotify:function(e,t){switch(e){case"flashInitComplete":this.inited=true;this.dispatch("init");break;case"flashLoadComplete":this.loaded=true;this.dispatch("load");break;case"cameraLive":this.live=true;this.dispatch("live");break;case"error":this.dispatch("error",new l(t));break;default:break}},b64ToUint6:function(e){return e>64&&e<91?e-65:e>96&&e<123?e-71:e>47&&e<58?e+4:e===43?62:e===47?63:0},base64DecToArr:function(e,t){var a=e.replace(/[^A-Za-z0-9\+\/]/g,""),i=a.length,s=t?Math.ceil((i*3+1>>2)/t)*t:i*3+1>>2,r=new Uint8Array(s);for(var o,n,h=0,l=0,c=0;c<i;c++){n=c&3;h|=this.b64ToUint6(a.charCodeAt(c))<<18-6*n;if(n===3||i-c===1){for(o=0;o<3&&l<s;o++,l++){r[l]=h>>>(16>>>o&24)&255}h=0}}return r},upload:function(e,t,a){var i=this.params.upload_name||"webcam";var s="";if(e.match(/^data\:image\/(\w+)/))s=RegExp.$1;else throw"Cannot locate image format in Data URI";var r=e.replace(/^data\:image\/\w+\;base64\,/,"");var o=new XMLHttpRequest;o.open("POST",t,true);if(o.upload&&o.upload.addEventListener){o.upload.addEventListener("progress",function(e){if(e.lengthComputable){var t=e.loaded/e.total;w.dispatch("uploadProgress",t,e)}},false)}var n=this;o.onload=function(){if(a)a.apply(n,[o.status,o.responseText,o.statusText]);w.dispatch("uploadComplete",o.status,o.responseText,o.statusText)};var h=new Blob([this.base64DecToArr(r)],{type:"image/"+s});var l=new FormData;l.append(i,h,i+"."+s.replace(/e/,""));o.send(l)}};w.init();if(typeof define==="function"&&define.amd){define(function(){return w})}else if(typeof module==="object"&&module.exports){module.exports=w}else{u.Webcam=w}})(window);
\ No newline at end of file

From 0aeeaa660b390c68d7f7b476391d8639f974a720 Mon Sep 17 00:00:00 2001
From: narro <501xs05@163.com>
Date: Wed, 22 Apr 2020 15:33:17 +0800
Subject: [PATCH 6/7] feat: export initCamera

---
 demos/choose-camera.html |  2 +-
 webcam.js                | 54 +++++++++++++++++++++++++++++++++++++++-
 webcam.min.js            |  2 +-
 3 files changed, 55 insertions(+), 3 deletions(-)

diff --git a/demos/choose-camera.html b/demos/choose-camera.html
index 45345bc..01c00fd 100644
--- a/demos/choose-camera.html
+++ b/demos/choose-camera.html
@@ -49,7 +49,7 @@ <h3>Demonstrates Adobe Flash capture &amp; display</h3>
       Webcam.on("init", function () {
         Webcam.getCameras(function (cameras) {
           if (cameras.length > 0) {
-            Webcam.setCamera(cameras[cameras.length - 1].id);
+            Webcam.setAndInitCamera(cameras[cameras.length - 1].id);
           }
         });
       });
diff --git a/webcam.js b/webcam.js
index f69a535..25de3b5 100644
--- a/webcam.js
+++ b/webcam.js
@@ -507,7 +507,7 @@ var Webcam = {
 		}
 	  },
   
-	setCamera: function (name) {
+	setAndInitCamera: function (name) {
 		if (this.userMedia) {
 			// ask user for access to their camera
 			var self = this;
@@ -557,6 +557,58 @@ var Webcam = {
 		  movie._initCamera();
 		}
 	},
+
+	initCamera: function () {
+		if (this.userMedia) {
+			// ask user for access to their camera
+			var self = this;
+			var video = this.video;
+			this.mediaDevices.getUserMedia({
+				"audio": false,
+				"video": this.params.constraints || {
+					mandatory: {
+						minWidth: this.params.dest_width,
+						minHeight: this.params.dest_height
+					}
+				}
+			})
+			.then( function(stream) {
+				// got access, attach stream to video
+				video.onloadedmetadata = function(e) {
+					self.stream = stream;
+					self.loaded = true;
+					self.live = true;
+					self.dispatch('load');
+					self.dispatch('live');
+					self.flip();
+				};
+				// as window.URL.createObjectURL() is deprecated, adding a check so that it works in Safari.
+				// older browsers may not have srcObject
+				if ("srcObject" in video) {
+					video.srcObject = stream;
+				}
+				else {
+					// using URL.createObjectURL() as fallback for old browsers
+					video.src = window.URL.createObjectURL(stream);
+				}
+			})
+			.catch( function(err) {
+				// JH 2016-07-31 Instead of dispatching error, now falling back to Flash if userMedia fails (thx @john2014)
+				// JH 2016-08-07 But only if flash is actually installed -- if not, dispatch error here and now.
+				if (self.params.enable_flash && self.detectFlash()) {
+					setTimeout( function() { self.params.force_flash = 1; self.attach(elem); }, 1 );
+				}
+				else {
+					self.dispatch('error', err);
+				}
+			});
+		} else if (this.iOS) {
+		} else if (this.params.enable_flash && this.detectFlash()) {
+		  var movie = this.getMovie();
+		  movie._setCamera(name);
+		  movie._initCamera();
+		}
+	},
 	
 	reset: function() {
 		// shutdown camera, reset to potentially attach again
diff --git a/webcam.min.js b/webcam.min.js
index b74f56d..9e6dd38 100644
--- a/webcam.min.js
+++ b/webcam.min.js
@@ -1 +1 @@
-(function(u){var v;function l(){var e=Error.apply(this,arguments);e.name=this.name="FlashError";this.stack=e.stack;this.message=e.message}function g(){var e=Error.apply(this,arguments);e.name=this.name="WebcamError";this.stack=e.stack;this.message=e.message}var e=function(){};e.prototype=Error.prototype;l.prototype=new e;g.prototype=new e;var w={version:"1.0.26",protocol:location.protocol.match(/https/i)?"https":"http",inited:false,loaded:false,live:false,userMedia:true,iOS:/iPad|iPhone|iPod/.test(navigator.userAgent)&&!u.MSStream,params:{width:0,height:0,dest_width:0,dest_height:0,image_format:"jpeg",jpeg_quality:90,enable_flash:true,force_flash:false,flip_horiz:false,fps:30,upload_name:"webcam",constraints:null,swfURL:"",flashNotDetectedText:"ERROR: No Adobe Flash Player detected.  Webcam.js relies on Flash for browsers that do not support getUserMedia (like yours).",noInterfaceFoundText:"No supported webcam interface found.",unfreeze_snap:true,iosPlaceholderText:"Click here to open camera.",user_callback:null,user_canvas:null},errors:{FlashError:l,WebcamError:g},hooks:{},init:function(){var t=this;this.mediaDevices=navigator.mediaDevices&&navigator.mediaDevices.getUserMedia?navigator.mediaDevices:navigator.mozGetUserMedia||navigator.webkitGetUserMedia?{getUserMedia:function(a){return new Promise(function(e,t){(navigator.mozGetUserMedia||navigator.webkitGetUserMedia).call(navigator,a,e,t)})}}:null;u.URL=u.URL||u.webkitURL||u.mozURL||u.msURL;this.userMedia=this.userMedia&&!!this.mediaDevices&&!!u.URL;if(navigator.userAgent.match(/Firefox\D+(\d+)/)){if(parseInt(RegExp.$1,10)<21)this.userMedia=null}if(this.userMedia){u.addEventListener("beforeunload",function(e){t.reset()})}},exifOrientation:function(e){var t=new DataView(e);if(t.getUint8(0)!=255||t.getUint8(1)!=216){console.log("Not a valid JPEG file");return 0}var a=2;var i=null;while(a<e.byteLength){if(t.getUint8(a)!=255){console.log("Not a valid marker at offset "+a+", found: "+t.getUint8(a));return 0}i=t.getUint8(a+1);if(i==225){a+=4;var s="";for(n=0;n<4;n++){s+=String.fromCharCode(t.getUint8(a+n))}if(s!="Exif"){console.log("Not valid EXIF data found");return 0}a+=6;var r=null;if(t.getUint16(a)==18761){r=false}else if(t.getUint16(a)==19789){r=true}else{console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");return 0}if(t.getUint16(a+2,!r)!=42){console.log("Not valid TIFF data! (no 0x002A)");return 0}var o=t.getUint32(a+4,!r);if(o<8){console.log("Not valid TIFF data! (First offset less than 8)",t.getUint32(a+4,!r));return 0}var h=a+o;var l=t.getUint16(h,!r);for(var c=0;c<l;c++){var d=h+c*12+2;if(t.getUint16(d,!r)==274){var f=t.getUint16(d+2,!r);var m=t.getUint32(d+4,!r);if(f!=3&&m!=1){console.log("Invalid EXIF orientation value type ("+f+") or count ("+m+")");return 0}var p=t.getUint16(d+8,!r);if(p<1||p>8){console.log("Invalid EXIF orientation value ("+p+")");return 0}return p}}}else{a+=2+t.getUint16(a+2)}}return 0},fixOrientation:function(e,i,s){var r=new Image;r.addEventListener("load",function(e){var t=document.createElement("canvas");var a=t.getContext("2d");if(i<5){t.width=r.width;t.height=r.height}else{t.width=r.height;t.height=r.width}switch(i){case 2:a.transform(-1,0,0,1,r.width,0);break;case 3:a.transform(-1,0,0,-1,r.width,r.height);break;case 4:a.transform(1,0,0,-1,0,r.height);break;case 5:a.transform(0,1,1,0,0,0);break;case 6:a.transform(0,1,-1,0,r.height,0);break;case 7:a.transform(0,-1,-1,0,r.height,r.width);break;case 8:a.transform(0,-1,1,0,0,r.width);break}a.drawImage(r,0,0);s.src=t.toDataURL()},false);r.src=e},attach:function(t,e){if(typeof t=="string"){t=document.getElementById(t)||document.querySelector(t)}if(!t){return this.dispatch("error",new g("Could not locate DOM element to attach to."))}this.container=t;t.innerHTML="";var a=document.createElement("div");t.appendChild(a);this.peg=a;if(!this.params.width)this.params.width=t.offsetWidth;if(!this.params.height)this.params.height=t.offsetHeight;if(!this.params.width||!this.params.height){return this.dispatch("error",new g("No width and/or height for webcam.  Please call set() first, or attach to a visible element."))}if(!this.params.dest_width)this.params.dest_width=this.params.width;if(!this.params.dest_height)this.params.dest_height=this.params.height;this.userMedia=v===undefined?this.userMedia:v;if(this.params.force_flash){v=this.userMedia;this.userMedia=null}if(typeof this.params.fps!=="number")this.params.fps=30;var i=this.params.width/this.params.dest_width;var s=this.params.height/this.params.dest_height;if(this.userMedia){var r=document.createElement("video");r.setAttribute("autoplay","autoplay");r.setAttribute("playsinline","playsinline");r.style.width=""+this.params.dest_width+"px";r.style.height=""+this.params.dest_height+"px";if(i!=1||s!=1){t.style.overflow="hidden";r.style.webkitTransformOrigin="0px 0px";r.style.mozTransformOrigin="0px 0px";r.style.msTransformOrigin="0px 0px";r.style.oTransformOrigin="0px 0px";r.style.transformOrigin="0px 0px";r.style.webkitTransform="scaleX("+i+") scaleY("+s+")";r.style.mozTransform="scaleX("+i+") scaleY("+s+")";r.style.msTransform="scaleX("+i+") scaleY("+s+")";r.style.oTransform="scaleX("+i+") scaleY("+s+")";r.style.transform="scaleX("+i+") scaleY("+s+")"}t.appendChild(r);this.video=r;this.inited=true;this.dispatch("init");if(!e){var o=this;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){r.onloadedmetadata=function(e){o.stream=t;o.loaded=true;o.live=true;o.dispatch("load");o.dispatch("live");o.flip()};if("srcObject"in r){r.srcObject=t}else{r.src=u.URL.createObjectURL(t)}}).catch(function(e){if(o.params.enable_flash&&o.detectFlash()){setTimeout(function(){o.params.force_flash=1;o.attach(t)},1)}else{o.dispatch("error",e)}})}}else if(this.iOS){var l=document.createElement("div");l.id=this.container.id+"-ios_div";l.className="webcamjs-ios-placeholder";l.style.width=""+this.params.width+"px";l.style.height=""+this.params.height+"px";l.style.textAlign="center";l.style.display="table-cell";l.style.verticalAlign="middle";l.style.backgroundRepeat="no-repeat";l.style.backgroundSize="contain";l.style.backgroundPosition="center";var n=document.createElement("span");n.className="webcamjs-ios-text";n.innerHTML=this.params.iosPlaceholderText;l.appendChild(n);var c=document.createElement("img");c.id=this.container.id+"-ios_img";c.style.width=""+this.params.dest_width+"px";c.style.height=""+this.params.dest_height+"px";c.style.display="none";l.appendChild(c);var h=document.createElement("input");h.id=this.container.id+"-ios_input";h.setAttribute("type","file");h.setAttribute("accept","image/*");h.setAttribute("capture","camera");var o=this;var d=this.params;h.addEventListener("change",function(e){if(e.target.files.length>0&&e.target.files[0].type.indexOf("image/")==0){var a=URL.createObjectURL(e.target.files[0]);var h=new Image;h.addEventListener("load",function(e){var t=document.createElement("canvas");t.width=d.dest_width;t.height=d.dest_height;var a=t.getContext("2d");ratio=Math.min(h.width/d.dest_width,h.height/d.dest_height);var i=d.dest_width*ratio;var s=d.dest_height*ratio;var r=(h.width-i)/2;var o=(h.height-s)/2;a.drawImage(h,r,o,i,s,0,0,d.dest_width,d.dest_height);var n=t.toDataURL();c.src=n;l.style.backgroundImage="url('"+n+"')"},false);var t=new FileReader;t.addEventListener("load",function(e){var t=o.exifOrientation(e.target.result);if(t>1){o.fixOrientation(a,t,h)}else{h.src=a}},false);var i=new XMLHttpRequest;i.open("GET",a,true);i.responseType="blob";i.onload=function(e){if(this.status==200||this.status===0){t.readAsArrayBuffer(this.response)}};i.send()}},false);h.style.display="none";t.appendChild(h);l.addEventListener("click",function(e){if(d.user_callback){o.snap(d.user_callback,d.user_canvas)}else{h.style.display="block";h.focus();h.click();h.style.display="none"}},false);t.appendChild(l);this.loaded=true;this.live=true}else if(this.params.enable_flash&&this.detectFlash()){u.Webcam=w;var l=document.createElement("div");l.innerHTML=this.getSWFHTML();t.appendChild(l);var f=this;if(!e){this.on("init",function(){f.getMovie()._initCamera()})}}else{this.dispatch("error",new g(this.params.noInterfaceFoundText))}if(this.params.crop_width&&this.params.crop_height){var m=Math.floor(this.params.crop_width*i);var p=Math.floor(this.params.crop_height*s);t.style.width=""+m+"px";t.style.height=""+p+"px";t.style.overflow="hidden";t.scrollLeft=Math.floor(this.params.width/2-m/2);t.scrollTop=Math.floor(this.params.height/2-p/2)}else{t.style.width=""+this.params.width+"px";t.style.height=""+this.params.height+"px"}},getCameras:function(i){if(this.userMedia){this.mediaDevices.enumerateDevices().then(function(e){var t=[];for(var a=0;a<e.length;a++){if(e[a].kind==="videoinput"){t.push({id:e[a].deviceId,groupId:e[a].groupId,label:e[a].label})}}i(t)})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var e=this.getMovie()._getCameras();var t=[];for(var a=0;a<e.length;a++){t.push({id:e[a],groupId:"",label:e[a]})}i(t)}},setCamera:function(e){if(this.userMedia){var a=this;var i=this.video;this.mediaDevices.getUserMedia({audio:false,video:{deviceId:{exact:e}}}).then(function(t){i.onloadedmetadata=function(e){a.stream=t;a.loaded=true;a.live=true;a.dispatch("load");a.dispatch("live");a.flip()};if("srcObject"in i){i.srcObject=t}else{i.src=u.URL.createObjectURL(t)}}).catch(function(e){if(a.params.enable_flash&&a.detectFlash()){setTimeout(function(){a.params.force_flash=1;a.attach(elem)},1)}else{a.dispatch("error",e)}})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._setCamera(e);t._initCamera()}},reset:function(){if(this.preview_active)this.unfreeze();this.unflip();if(this.userMedia){if(this.stream){if(this.stream.getVideoTracks){var e=this.stream.getVideoTracks();if(e&&e[0]&&e[0].stop)e[0].stop()}else if(this.stream.stop){this.stream.stop()}}delete this.stream;delete this.video}if(this.userMedia!==true&&this.loaded&&!this.iOS){var t=this.getMovie();if(t&&t._releaseCamera)t._releaseCamera()}if(this.container){this.container.innerHTML="";delete this.container}this.loaded=false;this.live=false},set:function(){if(arguments.length==1){for(var e in arguments[0]){this.params[e]=arguments[0][e]}}else{this.params[arguments[0]]=arguments[1]}},on:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(!this.hooks[e])this.hooks[e]=[];this.hooks[e].push(t)},off:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(this.hooks[e]){if(t){var a=this.hooks[e].indexOf(t);if(a>-1)this.hooks[e].splice(a,1)}else{this.hooks[e]=[]}}},dispatch:function(){var e=arguments[0].replace(/^on/i,"").toLowerCase();var t=Array.prototype.slice.call(arguments,1);if(this.hooks[e]&&this.hooks[e].length){for(var a=0,i=this.hooks[e].length;a<i;a++){var s=this.hooks[e][a];if(typeof s=="function"){s.apply(this,t)}else if(typeof s=="object"&&s.length==2){s[0][s[1]].apply(s[0],t)}else if(u[s]){u[s].apply(u,t)}}return true}else if(e=="error"){var r;if(t[0]instanceof l||t[0]instanceof g){r=t[0].message}else{r="Could not access webcam: "+t[0].name+": "+t[0].message+" "+t[0].toString()}alert("Webcam.js Error: "+r)}return false},setSWFLocation:function(e){this.set("swfURL",e)},detectFlash:function(){var e="Shockwave Flash",t="ShockwaveFlash.ShockwaveFlash",a="application/x-shockwave-flash",i=u,s=navigator,r=false;if(typeof s.plugins!=="undefined"&&typeof s.plugins[e]==="object"){var o=s.plugins[e].description;if(o&&(typeof s.mimeTypes!=="undefined"&&s.mimeTypes[a]&&s.mimeTypes[a].enabledPlugin)){r=true}}else if(typeof i.ActiveXObject!=="undefined"){try{var n=new ActiveXObject(t);if(n){var h=n.GetVariable("$version");if(h)r=true}}catch(e){}}return r},getSWFHTML:function(){var e="",t=this.params.swfURL;if(location.protocol.match(/file/)){this.dispatch("error",new l("Flash does not work from local disk.  Please run from a web server."));return'<h3 style="color:red">ERROR: the Webcam.js Flash fallback does not work from local disk.  Please run it from a web server.</h3>'}if(!this.detectFlash()){this.dispatch("error",new l("Adobe Flash Player not found.  Please install from get.adobe.com/flashplayer and try again."));return'<h3 style="color:red">'+this.params.flashNotDetectedText+"</h3>"}if(!t){var a="";var i=document.getElementsByTagName("script");for(var s=0,r=i.length;s<r;s++){var o=i[s].getAttribute("src");if(o&&o.match(/\/webcam(\.min)?\.js/)){a=o.replace(/\/webcam(\.min)?\.js.*$/,"");s=r}}if(a)t=a+"/webcam.swf";else t="webcam.swf"}if(u.localStorage&&!localStorage.getItem("visited")){this.params.new_user=1;localStorage.setItem("visited",1)}var n="";for(var h in this.params){if(n)n+="&";n+=h+"="+escape(this.params[h])}e+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" type="application/x-shockwave-flash" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="wmode" value="opaque" /><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+t+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+n+'"/><embed id="webcam_movie_embed" src="'+t+'" wmode="opaque" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+n+'"></embed></object>';return e},getMovie:function(){if(!this.inited)return this.dispatch("error",new l("Flash Movie is not loaded yet"));var e=document.getElementById("webcam_movie_obj");if(!e||!e._snap)e=document.getElementById("webcam_movie_embed");if(!e)this.dispatch("error",new l("Cannot locate Flash movie in DOM"));return e},freeze:function(){var e=this;var t=this.params;if(this.preview_active)this.unfreeze();var a=this.params.width/this.params.dest_width;var i=this.params.height/this.params.dest_height;this.unflip();var s=t.crop_width||t.dest_width;var r=t.crop_height||t.dest_height;var o=document.createElement("canvas");o.width=s;o.height=r;var n=o.getContext("2d");this.preview_canvas=o;this.preview_context=n;if(a!=1||i!=1){o.style.webkitTransformOrigin="0px 0px";o.style.mozTransformOrigin="0px 0px";o.style.msTransformOrigin="0px 0px";o.style.oTransformOrigin="0px 0px";o.style.transformOrigin="0px 0px";o.style.webkitTransform="scaleX("+a+") scaleY("+i+")";o.style.mozTransform="scaleX("+a+") scaleY("+i+")";o.style.msTransform="scaleX("+a+") scaleY("+i+")";o.style.oTransform="scaleX("+a+") scaleY("+i+")";o.style.transform="scaleX("+a+") scaleY("+i+")"}this.snap(function(){o.style.position="relative";o.style.left=""+e.container.scrollLeft+"px";o.style.top=""+e.container.scrollTop+"px";e.container.insertBefore(o,e.peg);e.container.style.overflow="hidden";e.preview_active=true},o)},unfreeze:function(){if(this.preview_active){this.container.removeChild(this.preview_canvas);delete this.preview_context;delete this.preview_canvas;this.preview_active=false;this.flip()}},flip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(-1)";e.mozTransform="scaleX(-1)";e.msTransform="scaleX(-1)";e.oTransform="scaleX(-1)";e.transform="scaleX(-1)";e.filter="FlipH";e.msFilter="FlipH"}},unflip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(1)";e.mozTransform="scaleX(1)";e.msTransform="scaleX(1)";e.oTransform="scaleX(1)";e.transform="scaleX(1)";e.filter="";e.msFilter=""}},savePreview:function(e,t){var a=this.params;var i=this.preview_canvas;var s=this.preview_context;if(t){var r=t.getContext("2d");r.drawImage(i,0,0)}e(t?null:i.toDataURL("image/"+a.image_format,a.jpeg_quality/100),i,s);if(this.params.unfreeze_snap)this.unfreeze()},snap:function(i,s){if(!i)i=this.params.user_callback;if(!s)s=this.params.user_canvas;var e=this;var r=this.params;if(!this.loaded)return this.dispatch("error",new g("Webcam is not loaded yet"));if(!i)return this.dispatch("error",new g("Please provide a callback function or canvas to snap()"));if(this.preview_active){this.savePreview(i,s);return null}var o=document.createElement("canvas");o.width=this.params.dest_width;o.height=this.params.dest_height;var n=o.getContext("2d");if(this.params.flip_horiz){n.translate(r.dest_width,0);n.scale(-1,1)}var t=function(){if(this.src&&this.width&&this.height){n.drawImage(this,0,0,r.dest_width,r.dest_height)}if(r.crop_width&&r.crop_height){var e=document.createElement("canvas");e.width=r.crop_width;e.height=r.crop_height;var t=e.getContext("2d");t.drawImage(o,Math.floor(r.dest_width/2-r.crop_width/2),Math.floor(r.dest_height/2-r.crop_height/2),r.crop_width,r.crop_height,0,0,r.crop_width,r.crop_height);n=t;o=e}if(s){var a=s.getContext("2d");a.drawImage(o,0,0)}i(s?null:o.toDataURL("image/"+r.image_format,r.jpeg_quality/100),o,n)};if(this.userMedia){n.drawImage(this.video,0,0,this.params.dest_width,this.params.dest_height);t()}else if(this.iOS){var a=document.getElementById(this.container.id+"-ios_div");var h=document.getElementById(this.container.id+"-ios_img");var l=document.getElementById(this.container.id+"-ios_input");iFunc=function(e){t.call(h);h.removeEventListener("load",iFunc);a.style.backgroundImage="none";h.removeAttribute("src");l.value=null};if(!l.value){h.addEventListener("load",iFunc);l.style.display="block";l.focus();l.click();l.style.display="none"}else{iFunc(null)}}else{var c=this.getMovie()._snap();var h=new Image;h.onload=t;h.src="data:image/"+this.params.image_format+";base64,"+c}return null},configure:function(e){if(!e)e="camera";this.getMovie()._configure(e)},flashNotify:function(e,t){switch(e){case"flashInitComplete":this.inited=true;this.dispatch("init");break;case"flashLoadComplete":this.loaded=true;this.dispatch("load");break;case"cameraLive":this.live=true;this.dispatch("live");break;case"error":this.dispatch("error",new l(t));break;default:break}},b64ToUint6:function(e){return e>64&&e<91?e-65:e>96&&e<123?e-71:e>47&&e<58?e+4:e===43?62:e===47?63:0},base64DecToArr:function(e,t){var a=e.replace(/[^A-Za-z0-9\+\/]/g,""),i=a.length,s=t?Math.ceil((i*3+1>>2)/t)*t:i*3+1>>2,r=new Uint8Array(s);for(var o,n,h=0,l=0,c=0;c<i;c++){n=c&3;h|=this.b64ToUint6(a.charCodeAt(c))<<18-6*n;if(n===3||i-c===1){for(o=0;o<3&&l<s;o++,l++){r[l]=h>>>(16>>>o&24)&255}h=0}}return r},upload:function(e,t,a){var i=this.params.upload_name||"webcam";var s="";if(e.match(/^data\:image\/(\w+)/))s=RegExp.$1;else throw"Cannot locate image format in Data URI";var r=e.replace(/^data\:image\/\w+\;base64\,/,"");var o=new XMLHttpRequest;o.open("POST",t,true);if(o.upload&&o.upload.addEventListener){o.upload.addEventListener("progress",function(e){if(e.lengthComputable){var t=e.loaded/e.total;w.dispatch("uploadProgress",t,e)}},false)}var n=this;o.onload=function(){if(a)a.apply(n,[o.status,o.responseText,o.statusText]);w.dispatch("uploadComplete",o.status,o.responseText,o.statusText)};var h=new Blob([this.base64DecToArr(r)],{type:"image/"+s});var l=new FormData;l.append(i,h,i+"."+s.replace(/e/,""));o.send(l)}};w.init();if(typeof define==="function"&&define.amd){define(function(){return w})}else if(typeof module==="object"&&module.exports){module.exports=w}else{u.Webcam=w}})(window);
\ No newline at end of file
+(function(u){var v;function l(){var e=Error.apply(this,arguments);e.name=this.name="FlashError";this.stack=e.stack;this.message=e.message}function g(){var e=Error.apply(this,arguments);e.name=this.name="WebcamError";this.stack=e.stack;this.message=e.message}var e=function(){};e.prototype=Error.prototype;l.prototype=new e;g.prototype=new e;var w={version:"1.0.26",protocol:location.protocol.match(/https/i)?"https":"http",inited:false,loaded:false,live:false,userMedia:true,iOS:/iPad|iPhone|iPod/.test(navigator.userAgent)&&!u.MSStream,params:{width:0,height:0,dest_width:0,dest_height:0,image_format:"jpeg",jpeg_quality:90,enable_flash:true,force_flash:false,flip_horiz:false,fps:30,upload_name:"webcam",constraints:null,swfURL:"",flashNotDetectedText:"ERROR: No Adobe Flash Player detected.  Webcam.js relies on Flash for browsers that do not support getUserMedia (like yours).",noInterfaceFoundText:"No supported webcam interface found.",unfreeze_snap:true,iosPlaceholderText:"Click here to open camera.",user_callback:null,user_canvas:null},errors:{FlashError:l,WebcamError:g},hooks:{},init:function(){var t=this;this.mediaDevices=navigator.mediaDevices&&navigator.mediaDevices.getUserMedia?navigator.mediaDevices:navigator.mozGetUserMedia||navigator.webkitGetUserMedia?{getUserMedia:function(a){return new Promise(function(e,t){(navigator.mozGetUserMedia||navigator.webkitGetUserMedia).call(navigator,a,e,t)})}}:null;u.URL=u.URL||u.webkitURL||u.mozURL||u.msURL;this.userMedia=this.userMedia&&!!this.mediaDevices&&!!u.URL;if(navigator.userAgent.match(/Firefox\D+(\d+)/)){if(parseInt(RegExp.$1,10)<21)this.userMedia=null}if(this.userMedia){u.addEventListener("beforeunload",function(e){t.reset()})}},exifOrientation:function(e){var t=new DataView(e);if(t.getUint8(0)!=255||t.getUint8(1)!=216){console.log("Not a valid JPEG file");return 0}var a=2;var i=null;while(a<e.byteLength){if(t.getUint8(a)!=255){console.log("Not a valid marker at offset "+a+", found: "+t.getUint8(a));return 0}i=t.getUint8(a+1);if(i==225){a+=4;var s="";for(n=0;n<4;n++){s+=String.fromCharCode(t.getUint8(a+n))}if(s!="Exif"){console.log("Not valid EXIF data found");return 0}a+=6;var r=null;if(t.getUint16(a)==18761){r=false}else if(t.getUint16(a)==19789){r=true}else{console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");return 0}if(t.getUint16(a+2,!r)!=42){console.log("Not valid TIFF data! (no 0x002A)");return 0}var o=t.getUint32(a+4,!r);if(o<8){console.log("Not valid TIFF data! (First offset less than 8)",t.getUint32(a+4,!r));return 0}var h=a+o;var l=t.getUint16(h,!r);for(var c=0;c<l;c++){var d=h+c*12+2;if(t.getUint16(d,!r)==274){var f=t.getUint16(d+2,!r);var m=t.getUint32(d+4,!r);if(f!=3&&m!=1){console.log("Invalid EXIF orientation value type ("+f+") or count ("+m+")");return 0}var p=t.getUint16(d+8,!r);if(p<1||p>8){console.log("Invalid EXIF orientation value ("+p+")");return 0}return p}}}else{a+=2+t.getUint16(a+2)}}return 0},fixOrientation:function(e,i,s){var r=new Image;r.addEventListener("load",function(e){var t=document.createElement("canvas");var a=t.getContext("2d");if(i<5){t.width=r.width;t.height=r.height}else{t.width=r.height;t.height=r.width}switch(i){case 2:a.transform(-1,0,0,1,r.width,0);break;case 3:a.transform(-1,0,0,-1,r.width,r.height);break;case 4:a.transform(1,0,0,-1,0,r.height);break;case 5:a.transform(0,1,1,0,0,0);break;case 6:a.transform(0,1,-1,0,r.height,0);break;case 7:a.transform(0,-1,-1,0,r.height,r.width);break;case 8:a.transform(0,-1,1,0,0,r.width);break}a.drawImage(r,0,0);s.src=t.toDataURL()},false);r.src=e},attach:function(t,e){if(typeof t=="string"){t=document.getElementById(t)||document.querySelector(t)}if(!t){return this.dispatch("error",new g("Could not locate DOM element to attach to."))}this.container=t;t.innerHTML="";var a=document.createElement("div");t.appendChild(a);this.peg=a;if(!this.params.width)this.params.width=t.offsetWidth;if(!this.params.height)this.params.height=t.offsetHeight;if(!this.params.width||!this.params.height){return this.dispatch("error",new g("No width and/or height for webcam.  Please call set() first, or attach to a visible element."))}if(!this.params.dest_width)this.params.dest_width=this.params.width;if(!this.params.dest_height)this.params.dest_height=this.params.height;this.userMedia=v===undefined?this.userMedia:v;if(this.params.force_flash){v=this.userMedia;this.userMedia=null}if(typeof this.params.fps!=="number")this.params.fps=30;var i=this.params.width/this.params.dest_width;var s=this.params.height/this.params.dest_height;if(this.userMedia){var r=document.createElement("video");r.setAttribute("autoplay","autoplay");r.setAttribute("playsinline","playsinline");r.style.width=""+this.params.dest_width+"px";r.style.height=""+this.params.dest_height+"px";if(i!=1||s!=1){t.style.overflow="hidden";r.style.webkitTransformOrigin="0px 0px";r.style.mozTransformOrigin="0px 0px";r.style.msTransformOrigin="0px 0px";r.style.oTransformOrigin="0px 0px";r.style.transformOrigin="0px 0px";r.style.webkitTransform="scaleX("+i+") scaleY("+s+")";r.style.mozTransform="scaleX("+i+") scaleY("+s+")";r.style.msTransform="scaleX("+i+") scaleY("+s+")";r.style.oTransform="scaleX("+i+") scaleY("+s+")";r.style.transform="scaleX("+i+") scaleY("+s+")"}t.appendChild(r);this.video=r;this.inited=true;this.dispatch("init");if(!e){var n=this;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){r.onloadedmetadata=function(e){n.stream=t;n.loaded=true;n.live=true;n.dispatch("load");n.dispatch("live");n.flip()};if("srcObject"in r){r.srcObject=t}else{r.src=u.URL.createObjectURL(t)}}).catch(function(e){if(n.params.enable_flash&&n.detectFlash()){setTimeout(function(){n.params.force_flash=1;n.attach(t)},1)}else{n.dispatch("error",e)}})}}else if(this.iOS){var l=document.createElement("div");l.id=this.container.id+"-ios_div";l.className="webcamjs-ios-placeholder";l.style.width=""+this.params.width+"px";l.style.height=""+this.params.height+"px";l.style.textAlign="center";l.style.display="table-cell";l.style.verticalAlign="middle";l.style.backgroundRepeat="no-repeat";l.style.backgroundSize="contain";l.style.backgroundPosition="center";var o=document.createElement("span");o.className="webcamjs-ios-text";o.innerHTML=this.params.iosPlaceholderText;l.appendChild(o);var c=document.createElement("img");c.id=this.container.id+"-ios_img";c.style.width=""+this.params.dest_width+"px";c.style.height=""+this.params.dest_height+"px";c.style.display="none";l.appendChild(c);var h=document.createElement("input");h.id=this.container.id+"-ios_input";h.setAttribute("type","file");h.setAttribute("accept","image/*");h.setAttribute("capture","camera");var n=this;var d=this.params;h.addEventListener("change",function(e){if(e.target.files.length>0&&e.target.files[0].type.indexOf("image/")==0){var a=URL.createObjectURL(e.target.files[0]);var h=new Image;h.addEventListener("load",function(e){var t=document.createElement("canvas");t.width=d.dest_width;t.height=d.dest_height;var a=t.getContext("2d");ratio=Math.min(h.width/d.dest_width,h.height/d.dest_height);var i=d.dest_width*ratio;var s=d.dest_height*ratio;var r=(h.width-i)/2;var n=(h.height-s)/2;a.drawImage(h,r,n,i,s,0,0,d.dest_width,d.dest_height);var o=t.toDataURL();c.src=o;l.style.backgroundImage="url('"+o+"')"},false);var t=new FileReader;t.addEventListener("load",function(e){var t=n.exifOrientation(e.target.result);if(t>1){n.fixOrientation(a,t,h)}else{h.src=a}},false);var i=new XMLHttpRequest;i.open("GET",a,true);i.responseType="blob";i.onload=function(e){if(this.status==200||this.status===0){t.readAsArrayBuffer(this.response)}};i.send()}},false);h.style.display="none";t.appendChild(h);l.addEventListener("click",function(e){if(d.user_callback){n.snap(d.user_callback,d.user_canvas)}else{h.style.display="block";h.focus();h.click();h.style.display="none"}},false);t.appendChild(l);this.loaded=true;this.live=true}else if(this.params.enable_flash&&this.detectFlash()){u.Webcam=w;var l=document.createElement("div");l.innerHTML=this.getSWFHTML();t.appendChild(l);var f=this;if(!e){this.on("init",function(){f.getMovie()._initCamera()})}}else{this.dispatch("error",new g(this.params.noInterfaceFoundText))}if(this.params.crop_width&&this.params.crop_height){var m=Math.floor(this.params.crop_width*i);var p=Math.floor(this.params.crop_height*s);t.style.width=""+m+"px";t.style.height=""+p+"px";t.style.overflow="hidden";t.scrollLeft=Math.floor(this.params.width/2-m/2);t.scrollTop=Math.floor(this.params.height/2-p/2)}else{t.style.width=""+this.params.width+"px";t.style.height=""+this.params.height+"px"}},getCameras:function(i){if(this.userMedia){this.mediaDevices.enumerateDevices().then(function(e){var t=[];for(var a=0;a<e.length;a++){if(e[a].kind==="videoinput"){t.push({id:e[a].deviceId,groupId:e[a].groupId,label:e[a].label})}}i(t)})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var e=this.getMovie()._getCameras();var t=[];for(var a=0;a<e.length;a++){t.push({id:e[a],groupId:"",label:e[a]})}i(t)}},setAndInitCamera:function(e){if(this.userMedia){var a=this;var i=this.video;this.mediaDevices.getUserMedia({audio:false,video:{deviceId:{exact:e}}}).then(function(t){i.onloadedmetadata=function(e){a.stream=t;a.loaded=true;a.live=true;a.dispatch("load");a.dispatch("live");a.flip()};if("srcObject"in i){i.srcObject=t}else{i.src=u.URL.createObjectURL(t)}}).catch(function(e){if(a.params.enable_flash&&a.detectFlash()){setTimeout(function(){a.params.force_flash=1;a.attach(elem)},1)}else{a.dispatch("error",e)}})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._setCamera(e);t._initCamera()}},initCamera:function(){if(this.userMedia){var a=this;var e=this.video;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){e.onloadedmetadata=function(e){a.stream=t;a.loaded=true;a.live=true;a.dispatch("load");a.dispatch("live");a.flip()};if("srcObject"in e){e.srcObject=t}else{e.src=u.URL.createObjectURL(t)}}).catch(function(e){if(a.params.enable_flash&&a.detectFlash()){setTimeout(function(){a.params.force_flash=1;a.attach(elem)},1)}else{a.dispatch("error",e)}})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._setCamera(name);t._initCamera()}},reset:function(){if(this.preview_active)this.unfreeze();this.unflip();if(this.userMedia){if(this.stream){if(this.stream.getVideoTracks){var e=this.stream.getVideoTracks();if(e&&e[0]&&e[0].stop)e[0].stop()}else if(this.stream.stop){this.stream.stop()}}delete this.stream;delete this.video}if(this.userMedia!==true&&this.loaded&&!this.iOS){var t=this.getMovie();if(t&&t._releaseCamera)t._releaseCamera()}if(this.container){this.container.innerHTML="";delete this.container}this.loaded=false;this.live=false},set:function(){if(arguments.length==1){for(var e in arguments[0]){this.params[e]=arguments[0][e]}}else{this.params[arguments[0]]=arguments[1]}},on:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(!this.hooks[e])this.hooks[e]=[];this.hooks[e].push(t)},off:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(this.hooks[e]){if(t){var a=this.hooks[e].indexOf(t);if(a>-1)this.hooks[e].splice(a,1)}else{this.hooks[e]=[]}}},dispatch:function(){var e=arguments[0].replace(/^on/i,"").toLowerCase();var t=Array.prototype.slice.call(arguments,1);if(this.hooks[e]&&this.hooks[e].length){for(var a=0,i=this.hooks[e].length;a<i;a++){var s=this.hooks[e][a];if(typeof s=="function"){s.apply(this,t)}else if(typeof s=="object"&&s.length==2){s[0][s[1]].apply(s[0],t)}else if(u[s]){u[s].apply(u,t)}}return true}else if(e=="error"){var r;if(t[0]instanceof l||t[0]instanceof g){r=t[0].message}else{r="Could not access webcam: "+t[0].name+": "+t[0].message+" "+t[0].toString()}alert("Webcam.js Error: "+r)}return false},setSWFLocation:function(e){this.set("swfURL",e)},detectFlash:function(){var e="Shockwave Flash",t="ShockwaveFlash.ShockwaveFlash",a="application/x-shockwave-flash",i=u,s=navigator,r=false;if(typeof s.plugins!=="undefined"&&typeof s.plugins[e]==="object"){var n=s.plugins[e].description;if(n&&(typeof s.mimeTypes!=="undefined"&&s.mimeTypes[a]&&s.mimeTypes[a].enabledPlugin)){r=true}}else if(typeof i.ActiveXObject!=="undefined"){try{var o=new ActiveXObject(t);if(o){var h=o.GetVariable("$version");if(h)r=true}}catch(e){}}return r},getSWFHTML:function(){var e="",t=this.params.swfURL;if(location.protocol.match(/file/)){this.dispatch("error",new l("Flash does not work from local disk.  Please run from a web server."));return'<h3 style="color:red">ERROR: the Webcam.js Flash fallback does not work from local disk.  Please run it from a web server.</h3>'}if(!this.detectFlash()){this.dispatch("error",new l("Adobe Flash Player not found.  Please install from get.adobe.com/flashplayer and try again."));return'<h3 style="color:red">'+this.params.flashNotDetectedText+"</h3>"}if(!t){var a="";var i=document.getElementsByTagName("script");for(var s=0,r=i.length;s<r;s++){var n=i[s].getAttribute("src");if(n&&n.match(/\/webcam(\.min)?\.js/)){a=n.replace(/\/webcam(\.min)?\.js.*$/,"");s=r}}if(a)t=a+"/webcam.swf";else t="webcam.swf"}if(u.localStorage&&!localStorage.getItem("visited")){this.params.new_user=1;localStorage.setItem("visited",1)}var o="";for(var h in this.params){if(o)o+="&";o+=h+"="+escape(this.params[h])}e+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" type="application/x-shockwave-flash" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="wmode" value="opaque" /><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+t+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+o+'"/><embed id="webcam_movie_embed" src="'+t+'" wmode="opaque" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+o+'"></embed></object>';return e},getMovie:function(){if(!this.inited)return this.dispatch("error",new l("Flash Movie is not loaded yet"));var e=document.getElementById("webcam_movie_obj");if(!e||!e._snap)e=document.getElementById("webcam_movie_embed");if(!e)this.dispatch("error",new l("Cannot locate Flash movie in DOM"));return e},freeze:function(){var e=this;var t=this.params;if(this.preview_active)this.unfreeze();var a=this.params.width/this.params.dest_width;var i=this.params.height/this.params.dest_height;this.unflip();var s=t.crop_width||t.dest_width;var r=t.crop_height||t.dest_height;var n=document.createElement("canvas");n.width=s;n.height=r;var o=n.getContext("2d");this.preview_canvas=n;this.preview_context=o;if(a!=1||i!=1){n.style.webkitTransformOrigin="0px 0px";n.style.mozTransformOrigin="0px 0px";n.style.msTransformOrigin="0px 0px";n.style.oTransformOrigin="0px 0px";n.style.transformOrigin="0px 0px";n.style.webkitTransform="scaleX("+a+") scaleY("+i+")";n.style.mozTransform="scaleX("+a+") scaleY("+i+")";n.style.msTransform="scaleX("+a+") scaleY("+i+")";n.style.oTransform="scaleX("+a+") scaleY("+i+")";n.style.transform="scaleX("+a+") scaleY("+i+")"}this.snap(function(){n.style.position="relative";n.style.left=""+e.container.scrollLeft+"px";n.style.top=""+e.container.scrollTop+"px";e.container.insertBefore(n,e.peg);e.container.style.overflow="hidden";e.preview_active=true},n)},unfreeze:function(){if(this.preview_active){this.container.removeChild(this.preview_canvas);delete this.preview_context;delete this.preview_canvas;this.preview_active=false;this.flip()}},flip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(-1)";e.mozTransform="scaleX(-1)";e.msTransform="scaleX(-1)";e.oTransform="scaleX(-1)";e.transform="scaleX(-1)";e.filter="FlipH";e.msFilter="FlipH"}},unflip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(1)";e.mozTransform="scaleX(1)";e.msTransform="scaleX(1)";e.oTransform="scaleX(1)";e.transform="scaleX(1)";e.filter="";e.msFilter=""}},savePreview:function(e,t){var a=this.params;var i=this.preview_canvas;var s=this.preview_context;if(t){var r=t.getContext("2d");r.drawImage(i,0,0)}e(t?null:i.toDataURL("image/"+a.image_format,a.jpeg_quality/100),i,s);if(this.params.unfreeze_snap)this.unfreeze()},snap:function(i,s){if(!i)i=this.params.user_callback;if(!s)s=this.params.user_canvas;var e=this;var r=this.params;if(!this.loaded)return this.dispatch("error",new g("Webcam is not loaded yet"));if(!i)return this.dispatch("error",new g("Please provide a callback function or canvas to snap()"));if(this.preview_active){this.savePreview(i,s);return null}var n=document.createElement("canvas");n.width=this.params.dest_width;n.height=this.params.dest_height;var o=n.getContext("2d");if(this.params.flip_horiz){o.translate(r.dest_width,0);o.scale(-1,1)}var t=function(){if(this.src&&this.width&&this.height){o.drawImage(this,0,0,r.dest_width,r.dest_height)}if(r.crop_width&&r.crop_height){var e=document.createElement("canvas");e.width=r.crop_width;e.height=r.crop_height;var t=e.getContext("2d");t.drawImage(n,Math.floor(r.dest_width/2-r.crop_width/2),Math.floor(r.dest_height/2-r.crop_height/2),r.crop_width,r.crop_height,0,0,r.crop_width,r.crop_height);o=t;n=e}if(s){var a=s.getContext("2d");a.drawImage(n,0,0)}i(s?null:n.toDataURL("image/"+r.image_format,r.jpeg_quality/100),n,o)};if(this.userMedia){o.drawImage(this.video,0,0,this.params.dest_width,this.params.dest_height);t()}else if(this.iOS){var a=document.getElementById(this.container.id+"-ios_div");var h=document.getElementById(this.container.id+"-ios_img");var l=document.getElementById(this.container.id+"-ios_input");iFunc=function(e){t.call(h);h.removeEventListener("load",iFunc);a.style.backgroundImage="none";h.removeAttribute("src");l.value=null};if(!l.value){h.addEventListener("load",iFunc);l.style.display="block";l.focus();l.click();l.style.display="none"}else{iFunc(null)}}else{var c=this.getMovie()._snap();var h=new Image;h.onload=t;h.src="data:image/"+this.params.image_format+";base64,"+c}return null},configure:function(e){if(!e)e="camera";this.getMovie()._configure(e)},flashNotify:function(e,t){switch(e){case"flashInitComplete":this.inited=true;this.dispatch("init");break;case"flashLoadComplete":this.loaded=true;this.dispatch("load");break;case"cameraLive":this.live=true;this.dispatch("live");break;case"error":this.dispatch("error",new l(t));break;default:break}},b64ToUint6:function(e){return e>64&&e<91?e-65:e>96&&e<123?e-71:e>47&&e<58?e+4:e===43?62:e===47?63:0},base64DecToArr:function(e,t){var a=e.replace(/[^A-Za-z0-9\+\/]/g,""),i=a.length,s=t?Math.ceil((i*3+1>>2)/t)*t:i*3+1>>2,r=new Uint8Array(s);for(var n,o,h=0,l=0,c=0;c<i;c++){o=c&3;h|=this.b64ToUint6(a.charCodeAt(c))<<18-6*o;if(o===3||i-c===1){for(n=0;n<3&&l<s;n++,l++){r[l]=h>>>(16>>>n&24)&255}h=0}}return r},upload:function(e,t,a){var i=this.params.upload_name||"webcam";var s="";if(e.match(/^data\:image\/(\w+)/))s=RegExp.$1;else throw"Cannot locate image format in Data URI";var r=e.replace(/^data\:image\/\w+\;base64\,/,"");var n=new XMLHttpRequest;n.open("POST",t,true);if(n.upload&&n.upload.addEventListener){n.upload.addEventListener("progress",function(e){if(e.lengthComputable){var t=e.loaded/e.total;w.dispatch("uploadProgress",t,e)}},false)}var o=this;n.onload=function(){if(a)a.apply(o,[n.status,n.responseText,n.statusText]);w.dispatch("uploadComplete",n.status,n.responseText,n.statusText)};var h=new Blob([this.base64DecToArr(r)],{type:"image/"+s});var l=new FormData;l.append(i,h,i+"."+s.replace(/e/,""));n.send(l)}};w.init();if(typeof define==="function"&&define.amd){define(function(){return w})}else if(typeof module==="object"&&module.exports){module.exports=w}else{u.Webcam=w}})(window);
\ No newline at end of file

From ed11b70ce3f10710de6ce32c6cd59b696778ae95 Mon Sep 17 00:00:00 2001
From: narro <501xs05@163.com>
Date: Wed, 22 Apr 2020 15:50:00 +0800
Subject: [PATCH 7/7] fix: init camera

---
 webcam.js     | 1 -
 webcam.min.js | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/webcam.js b/webcam.js
index 25de3b5..afe6889 100644
--- a/webcam.js
+++ b/webcam.js
@@ -605,7 +605,6 @@ var Webcam = {
 		} else if (this.iOS) {
 		} else if (this.params.enable_flash && this.detectFlash()) {
 		  var movie = this.getMovie();
-		  movie._setCamera(name);
 		  movie._initCamera();
 		}
 	},
diff --git a/webcam.min.js b/webcam.min.js
index 9e6dd38..9587063 100644
--- a/webcam.min.js
+++ b/webcam.min.js
@@ -1 +1 @@
-(function(u){var v;function l(){var e=Error.apply(this,arguments);e.name=this.name="FlashError";this.stack=e.stack;this.message=e.message}function g(){var e=Error.apply(this,arguments);e.name=this.name="WebcamError";this.stack=e.stack;this.message=e.message}var e=function(){};e.prototype=Error.prototype;l.prototype=new e;g.prototype=new e;var w={version:"1.0.26",protocol:location.protocol.match(/https/i)?"https":"http",inited:false,loaded:false,live:false,userMedia:true,iOS:/iPad|iPhone|iPod/.test(navigator.userAgent)&&!u.MSStream,params:{width:0,height:0,dest_width:0,dest_height:0,image_format:"jpeg",jpeg_quality:90,enable_flash:true,force_flash:false,flip_horiz:false,fps:30,upload_name:"webcam",constraints:null,swfURL:"",flashNotDetectedText:"ERROR: No Adobe Flash Player detected.  Webcam.js relies on Flash for browsers that do not support getUserMedia (like yours).",noInterfaceFoundText:"No supported webcam interface found.",unfreeze_snap:true,iosPlaceholderText:"Click here to open camera.",user_callback:null,user_canvas:null},errors:{FlashError:l,WebcamError:g},hooks:{},init:function(){var t=this;this.mediaDevices=navigator.mediaDevices&&navigator.mediaDevices.getUserMedia?navigator.mediaDevices:navigator.mozGetUserMedia||navigator.webkitGetUserMedia?{getUserMedia:function(a){return new Promise(function(e,t){(navigator.mozGetUserMedia||navigator.webkitGetUserMedia).call(navigator,a,e,t)})}}:null;u.URL=u.URL||u.webkitURL||u.mozURL||u.msURL;this.userMedia=this.userMedia&&!!this.mediaDevices&&!!u.URL;if(navigator.userAgent.match(/Firefox\D+(\d+)/)){if(parseInt(RegExp.$1,10)<21)this.userMedia=null}if(this.userMedia){u.addEventListener("beforeunload",function(e){t.reset()})}},exifOrientation:function(e){var t=new DataView(e);if(t.getUint8(0)!=255||t.getUint8(1)!=216){console.log("Not a valid JPEG file");return 0}var a=2;var i=null;while(a<e.byteLength){if(t.getUint8(a)!=255){console.log("Not a valid marker at offset "+a+", found: "+t.getUint8(a));return 0}i=t.getUint8(a+1);if(i==225){a+=4;var s="";for(n=0;n<4;n++){s+=String.fromCharCode(t.getUint8(a+n))}if(s!="Exif"){console.log("Not valid EXIF data found");return 0}a+=6;var r=null;if(t.getUint16(a)==18761){r=false}else if(t.getUint16(a)==19789){r=true}else{console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");return 0}if(t.getUint16(a+2,!r)!=42){console.log("Not valid TIFF data! (no 0x002A)");return 0}var o=t.getUint32(a+4,!r);if(o<8){console.log("Not valid TIFF data! (First offset less than 8)",t.getUint32(a+4,!r));return 0}var h=a+o;var l=t.getUint16(h,!r);for(var c=0;c<l;c++){var d=h+c*12+2;if(t.getUint16(d,!r)==274){var f=t.getUint16(d+2,!r);var m=t.getUint32(d+4,!r);if(f!=3&&m!=1){console.log("Invalid EXIF orientation value type ("+f+") or count ("+m+")");return 0}var p=t.getUint16(d+8,!r);if(p<1||p>8){console.log("Invalid EXIF orientation value ("+p+")");return 0}return p}}}else{a+=2+t.getUint16(a+2)}}return 0},fixOrientation:function(e,i,s){var r=new Image;r.addEventListener("load",function(e){var t=document.createElement("canvas");var a=t.getContext("2d");if(i<5){t.width=r.width;t.height=r.height}else{t.width=r.height;t.height=r.width}switch(i){case 2:a.transform(-1,0,0,1,r.width,0);break;case 3:a.transform(-1,0,0,-1,r.width,r.height);break;case 4:a.transform(1,0,0,-1,0,r.height);break;case 5:a.transform(0,1,1,0,0,0);break;case 6:a.transform(0,1,-1,0,r.height,0);break;case 7:a.transform(0,-1,-1,0,r.height,r.width);break;case 8:a.transform(0,-1,1,0,0,r.width);break}a.drawImage(r,0,0);s.src=t.toDataURL()},false);r.src=e},attach:function(t,e){if(typeof t=="string"){t=document.getElementById(t)||document.querySelector(t)}if(!t){return this.dispatch("error",new g("Could not locate DOM element to attach to."))}this.container=t;t.innerHTML="";var a=document.createElement("div");t.appendChild(a);this.peg=a;if(!this.params.width)this.params.width=t.offsetWidth;if(!this.params.height)this.params.height=t.offsetHeight;if(!this.params.width||!this.params.height){return this.dispatch("error",new g("No width and/or height for webcam.  Please call set() first, or attach to a visible element."))}if(!this.params.dest_width)this.params.dest_width=this.params.width;if(!this.params.dest_height)this.params.dest_height=this.params.height;this.userMedia=v===undefined?this.userMedia:v;if(this.params.force_flash){v=this.userMedia;this.userMedia=null}if(typeof this.params.fps!=="number")this.params.fps=30;var i=this.params.width/this.params.dest_width;var s=this.params.height/this.params.dest_height;if(this.userMedia){var r=document.createElement("video");r.setAttribute("autoplay","autoplay");r.setAttribute("playsinline","playsinline");r.style.width=""+this.params.dest_width+"px";r.style.height=""+this.params.dest_height+"px";if(i!=1||s!=1){t.style.overflow="hidden";r.style.webkitTransformOrigin="0px 0px";r.style.mozTransformOrigin="0px 0px";r.style.msTransformOrigin="0px 0px";r.style.oTransformOrigin="0px 0px";r.style.transformOrigin="0px 0px";r.style.webkitTransform="scaleX("+i+") scaleY("+s+")";r.style.mozTransform="scaleX("+i+") scaleY("+s+")";r.style.msTransform="scaleX("+i+") scaleY("+s+")";r.style.oTransform="scaleX("+i+") scaleY("+s+")";r.style.transform="scaleX("+i+") scaleY("+s+")"}t.appendChild(r);this.video=r;this.inited=true;this.dispatch("init");if(!e){var n=this;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){r.onloadedmetadata=function(e){n.stream=t;n.loaded=true;n.live=true;n.dispatch("load");n.dispatch("live");n.flip()};if("srcObject"in r){r.srcObject=t}else{r.src=u.URL.createObjectURL(t)}}).catch(function(e){if(n.params.enable_flash&&n.detectFlash()){setTimeout(function(){n.params.force_flash=1;n.attach(t)},1)}else{n.dispatch("error",e)}})}}else if(this.iOS){var l=document.createElement("div");l.id=this.container.id+"-ios_div";l.className="webcamjs-ios-placeholder";l.style.width=""+this.params.width+"px";l.style.height=""+this.params.height+"px";l.style.textAlign="center";l.style.display="table-cell";l.style.verticalAlign="middle";l.style.backgroundRepeat="no-repeat";l.style.backgroundSize="contain";l.style.backgroundPosition="center";var o=document.createElement("span");o.className="webcamjs-ios-text";o.innerHTML=this.params.iosPlaceholderText;l.appendChild(o);var c=document.createElement("img");c.id=this.container.id+"-ios_img";c.style.width=""+this.params.dest_width+"px";c.style.height=""+this.params.dest_height+"px";c.style.display="none";l.appendChild(c);var h=document.createElement("input");h.id=this.container.id+"-ios_input";h.setAttribute("type","file");h.setAttribute("accept","image/*");h.setAttribute("capture","camera");var n=this;var d=this.params;h.addEventListener("change",function(e){if(e.target.files.length>0&&e.target.files[0].type.indexOf("image/")==0){var a=URL.createObjectURL(e.target.files[0]);var h=new Image;h.addEventListener("load",function(e){var t=document.createElement("canvas");t.width=d.dest_width;t.height=d.dest_height;var a=t.getContext("2d");ratio=Math.min(h.width/d.dest_width,h.height/d.dest_height);var i=d.dest_width*ratio;var s=d.dest_height*ratio;var r=(h.width-i)/2;var n=(h.height-s)/2;a.drawImage(h,r,n,i,s,0,0,d.dest_width,d.dest_height);var o=t.toDataURL();c.src=o;l.style.backgroundImage="url('"+o+"')"},false);var t=new FileReader;t.addEventListener("load",function(e){var t=n.exifOrientation(e.target.result);if(t>1){n.fixOrientation(a,t,h)}else{h.src=a}},false);var i=new XMLHttpRequest;i.open("GET",a,true);i.responseType="blob";i.onload=function(e){if(this.status==200||this.status===0){t.readAsArrayBuffer(this.response)}};i.send()}},false);h.style.display="none";t.appendChild(h);l.addEventListener("click",function(e){if(d.user_callback){n.snap(d.user_callback,d.user_canvas)}else{h.style.display="block";h.focus();h.click();h.style.display="none"}},false);t.appendChild(l);this.loaded=true;this.live=true}else if(this.params.enable_flash&&this.detectFlash()){u.Webcam=w;var l=document.createElement("div");l.innerHTML=this.getSWFHTML();t.appendChild(l);var f=this;if(!e){this.on("init",function(){f.getMovie()._initCamera()})}}else{this.dispatch("error",new g(this.params.noInterfaceFoundText))}if(this.params.crop_width&&this.params.crop_height){var m=Math.floor(this.params.crop_width*i);var p=Math.floor(this.params.crop_height*s);t.style.width=""+m+"px";t.style.height=""+p+"px";t.style.overflow="hidden";t.scrollLeft=Math.floor(this.params.width/2-m/2);t.scrollTop=Math.floor(this.params.height/2-p/2)}else{t.style.width=""+this.params.width+"px";t.style.height=""+this.params.height+"px"}},getCameras:function(i){if(this.userMedia){this.mediaDevices.enumerateDevices().then(function(e){var t=[];for(var a=0;a<e.length;a++){if(e[a].kind==="videoinput"){t.push({id:e[a].deviceId,groupId:e[a].groupId,label:e[a].label})}}i(t)})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var e=this.getMovie()._getCameras();var t=[];for(var a=0;a<e.length;a++){t.push({id:e[a],groupId:"",label:e[a]})}i(t)}},setAndInitCamera:function(e){if(this.userMedia){var a=this;var i=this.video;this.mediaDevices.getUserMedia({audio:false,video:{deviceId:{exact:e}}}).then(function(t){i.onloadedmetadata=function(e){a.stream=t;a.loaded=true;a.live=true;a.dispatch("load");a.dispatch("live");a.flip()};if("srcObject"in i){i.srcObject=t}else{i.src=u.URL.createObjectURL(t)}}).catch(function(e){if(a.params.enable_flash&&a.detectFlash()){setTimeout(function(){a.params.force_flash=1;a.attach(elem)},1)}else{a.dispatch("error",e)}})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._setCamera(e);t._initCamera()}},initCamera:function(){if(this.userMedia){var a=this;var e=this.video;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){e.onloadedmetadata=function(e){a.stream=t;a.loaded=true;a.live=true;a.dispatch("load");a.dispatch("live");a.flip()};if("srcObject"in e){e.srcObject=t}else{e.src=u.URL.createObjectURL(t)}}).catch(function(e){if(a.params.enable_flash&&a.detectFlash()){setTimeout(function(){a.params.force_flash=1;a.attach(elem)},1)}else{a.dispatch("error",e)}})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._setCamera(name);t._initCamera()}},reset:function(){if(this.preview_active)this.unfreeze();this.unflip();if(this.userMedia){if(this.stream){if(this.stream.getVideoTracks){var e=this.stream.getVideoTracks();if(e&&e[0]&&e[0].stop)e[0].stop()}else if(this.stream.stop){this.stream.stop()}}delete this.stream;delete this.video}if(this.userMedia!==true&&this.loaded&&!this.iOS){var t=this.getMovie();if(t&&t._releaseCamera)t._releaseCamera()}if(this.container){this.container.innerHTML="";delete this.container}this.loaded=false;this.live=false},set:function(){if(arguments.length==1){for(var e in arguments[0]){this.params[e]=arguments[0][e]}}else{this.params[arguments[0]]=arguments[1]}},on:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(!this.hooks[e])this.hooks[e]=[];this.hooks[e].push(t)},off:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(this.hooks[e]){if(t){var a=this.hooks[e].indexOf(t);if(a>-1)this.hooks[e].splice(a,1)}else{this.hooks[e]=[]}}},dispatch:function(){var e=arguments[0].replace(/^on/i,"").toLowerCase();var t=Array.prototype.slice.call(arguments,1);if(this.hooks[e]&&this.hooks[e].length){for(var a=0,i=this.hooks[e].length;a<i;a++){var s=this.hooks[e][a];if(typeof s=="function"){s.apply(this,t)}else if(typeof s=="object"&&s.length==2){s[0][s[1]].apply(s[0],t)}else if(u[s]){u[s].apply(u,t)}}return true}else if(e=="error"){var r;if(t[0]instanceof l||t[0]instanceof g){r=t[0].message}else{r="Could not access webcam: "+t[0].name+": "+t[0].message+" "+t[0].toString()}alert("Webcam.js Error: "+r)}return false},setSWFLocation:function(e){this.set("swfURL",e)},detectFlash:function(){var e="Shockwave Flash",t="ShockwaveFlash.ShockwaveFlash",a="application/x-shockwave-flash",i=u,s=navigator,r=false;if(typeof s.plugins!=="undefined"&&typeof s.plugins[e]==="object"){var n=s.plugins[e].description;if(n&&(typeof s.mimeTypes!=="undefined"&&s.mimeTypes[a]&&s.mimeTypes[a].enabledPlugin)){r=true}}else if(typeof i.ActiveXObject!=="undefined"){try{var o=new ActiveXObject(t);if(o){var h=o.GetVariable("$version");if(h)r=true}}catch(e){}}return r},getSWFHTML:function(){var e="",t=this.params.swfURL;if(location.protocol.match(/file/)){this.dispatch("error",new l("Flash does not work from local disk.  Please run from a web server."));return'<h3 style="color:red">ERROR: the Webcam.js Flash fallback does not work from local disk.  Please run it from a web server.</h3>'}if(!this.detectFlash()){this.dispatch("error",new l("Adobe Flash Player not found.  Please install from get.adobe.com/flashplayer and try again."));return'<h3 style="color:red">'+this.params.flashNotDetectedText+"</h3>"}if(!t){var a="";var i=document.getElementsByTagName("script");for(var s=0,r=i.length;s<r;s++){var n=i[s].getAttribute("src");if(n&&n.match(/\/webcam(\.min)?\.js/)){a=n.replace(/\/webcam(\.min)?\.js.*$/,"");s=r}}if(a)t=a+"/webcam.swf";else t="webcam.swf"}if(u.localStorage&&!localStorage.getItem("visited")){this.params.new_user=1;localStorage.setItem("visited",1)}var o="";for(var h in this.params){if(o)o+="&";o+=h+"="+escape(this.params[h])}e+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" type="application/x-shockwave-flash" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="wmode" value="opaque" /><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+t+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+o+'"/><embed id="webcam_movie_embed" src="'+t+'" wmode="opaque" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+o+'"></embed></object>';return e},getMovie:function(){if(!this.inited)return this.dispatch("error",new l("Flash Movie is not loaded yet"));var e=document.getElementById("webcam_movie_obj");if(!e||!e._snap)e=document.getElementById("webcam_movie_embed");if(!e)this.dispatch("error",new l("Cannot locate Flash movie in DOM"));return e},freeze:function(){var e=this;var t=this.params;if(this.preview_active)this.unfreeze();var a=this.params.width/this.params.dest_width;var i=this.params.height/this.params.dest_height;this.unflip();var s=t.crop_width||t.dest_width;var r=t.crop_height||t.dest_height;var n=document.createElement("canvas");n.width=s;n.height=r;var o=n.getContext("2d");this.preview_canvas=n;this.preview_context=o;if(a!=1||i!=1){n.style.webkitTransformOrigin="0px 0px";n.style.mozTransformOrigin="0px 0px";n.style.msTransformOrigin="0px 0px";n.style.oTransformOrigin="0px 0px";n.style.transformOrigin="0px 0px";n.style.webkitTransform="scaleX("+a+") scaleY("+i+")";n.style.mozTransform="scaleX("+a+") scaleY("+i+")";n.style.msTransform="scaleX("+a+") scaleY("+i+")";n.style.oTransform="scaleX("+a+") scaleY("+i+")";n.style.transform="scaleX("+a+") scaleY("+i+")"}this.snap(function(){n.style.position="relative";n.style.left=""+e.container.scrollLeft+"px";n.style.top=""+e.container.scrollTop+"px";e.container.insertBefore(n,e.peg);e.container.style.overflow="hidden";e.preview_active=true},n)},unfreeze:function(){if(this.preview_active){this.container.removeChild(this.preview_canvas);delete this.preview_context;delete this.preview_canvas;this.preview_active=false;this.flip()}},flip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(-1)";e.mozTransform="scaleX(-1)";e.msTransform="scaleX(-1)";e.oTransform="scaleX(-1)";e.transform="scaleX(-1)";e.filter="FlipH";e.msFilter="FlipH"}},unflip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(1)";e.mozTransform="scaleX(1)";e.msTransform="scaleX(1)";e.oTransform="scaleX(1)";e.transform="scaleX(1)";e.filter="";e.msFilter=""}},savePreview:function(e,t){var a=this.params;var i=this.preview_canvas;var s=this.preview_context;if(t){var r=t.getContext("2d");r.drawImage(i,0,0)}e(t?null:i.toDataURL("image/"+a.image_format,a.jpeg_quality/100),i,s);if(this.params.unfreeze_snap)this.unfreeze()},snap:function(i,s){if(!i)i=this.params.user_callback;if(!s)s=this.params.user_canvas;var e=this;var r=this.params;if(!this.loaded)return this.dispatch("error",new g("Webcam is not loaded yet"));if(!i)return this.dispatch("error",new g("Please provide a callback function or canvas to snap()"));if(this.preview_active){this.savePreview(i,s);return null}var n=document.createElement("canvas");n.width=this.params.dest_width;n.height=this.params.dest_height;var o=n.getContext("2d");if(this.params.flip_horiz){o.translate(r.dest_width,0);o.scale(-1,1)}var t=function(){if(this.src&&this.width&&this.height){o.drawImage(this,0,0,r.dest_width,r.dest_height)}if(r.crop_width&&r.crop_height){var e=document.createElement("canvas");e.width=r.crop_width;e.height=r.crop_height;var t=e.getContext("2d");t.drawImage(n,Math.floor(r.dest_width/2-r.crop_width/2),Math.floor(r.dest_height/2-r.crop_height/2),r.crop_width,r.crop_height,0,0,r.crop_width,r.crop_height);o=t;n=e}if(s){var a=s.getContext("2d");a.drawImage(n,0,0)}i(s?null:n.toDataURL("image/"+r.image_format,r.jpeg_quality/100),n,o)};if(this.userMedia){o.drawImage(this.video,0,0,this.params.dest_width,this.params.dest_height);t()}else if(this.iOS){var a=document.getElementById(this.container.id+"-ios_div");var h=document.getElementById(this.container.id+"-ios_img");var l=document.getElementById(this.container.id+"-ios_input");iFunc=function(e){t.call(h);h.removeEventListener("load",iFunc);a.style.backgroundImage="none";h.removeAttribute("src");l.value=null};if(!l.value){h.addEventListener("load",iFunc);l.style.display="block";l.focus();l.click();l.style.display="none"}else{iFunc(null)}}else{var c=this.getMovie()._snap();var h=new Image;h.onload=t;h.src="data:image/"+this.params.image_format+";base64,"+c}return null},configure:function(e){if(!e)e="camera";this.getMovie()._configure(e)},flashNotify:function(e,t){switch(e){case"flashInitComplete":this.inited=true;this.dispatch("init");break;case"flashLoadComplete":this.loaded=true;this.dispatch("load");break;case"cameraLive":this.live=true;this.dispatch("live");break;case"error":this.dispatch("error",new l(t));break;default:break}},b64ToUint6:function(e){return e>64&&e<91?e-65:e>96&&e<123?e-71:e>47&&e<58?e+4:e===43?62:e===47?63:0},base64DecToArr:function(e,t){var a=e.replace(/[^A-Za-z0-9\+\/]/g,""),i=a.length,s=t?Math.ceil((i*3+1>>2)/t)*t:i*3+1>>2,r=new Uint8Array(s);for(var n,o,h=0,l=0,c=0;c<i;c++){o=c&3;h|=this.b64ToUint6(a.charCodeAt(c))<<18-6*o;if(o===3||i-c===1){for(n=0;n<3&&l<s;n++,l++){r[l]=h>>>(16>>>n&24)&255}h=0}}return r},upload:function(e,t,a){var i=this.params.upload_name||"webcam";var s="";if(e.match(/^data\:image\/(\w+)/))s=RegExp.$1;else throw"Cannot locate image format in Data URI";var r=e.replace(/^data\:image\/\w+\;base64\,/,"");var n=new XMLHttpRequest;n.open("POST",t,true);if(n.upload&&n.upload.addEventListener){n.upload.addEventListener("progress",function(e){if(e.lengthComputable){var t=e.loaded/e.total;w.dispatch("uploadProgress",t,e)}},false)}var o=this;n.onload=function(){if(a)a.apply(o,[n.status,n.responseText,n.statusText]);w.dispatch("uploadComplete",n.status,n.responseText,n.statusText)};var h=new Blob([this.base64DecToArr(r)],{type:"image/"+s});var l=new FormData;l.append(i,h,i+"."+s.replace(/e/,""));n.send(l)}};w.init();if(typeof define==="function"&&define.amd){define(function(){return w})}else if(typeof module==="object"&&module.exports){module.exports=w}else{u.Webcam=w}})(window);
\ No newline at end of file
+(function(u){var v;function l(){var e=Error.apply(this,arguments);e.name=this.name="FlashError";this.stack=e.stack;this.message=e.message}function g(){var e=Error.apply(this,arguments);e.name=this.name="WebcamError";this.stack=e.stack;this.message=e.message}var e=function(){};e.prototype=Error.prototype;l.prototype=new e;g.prototype=new e;var w={version:"1.0.26",protocol:location.protocol.match(/https/i)?"https":"http",inited:false,loaded:false,live:false,userMedia:true,iOS:/iPad|iPhone|iPod/.test(navigator.userAgent)&&!u.MSStream,params:{width:0,height:0,dest_width:0,dest_height:0,image_format:"jpeg",jpeg_quality:90,enable_flash:true,force_flash:false,flip_horiz:false,fps:30,upload_name:"webcam",constraints:null,swfURL:"",flashNotDetectedText:"ERROR: No Adobe Flash Player detected.  Webcam.js relies on Flash for browsers that do not support getUserMedia (like yours).",noInterfaceFoundText:"No supported webcam interface found.",unfreeze_snap:true,iosPlaceholderText:"Click here to open camera.",user_callback:null,user_canvas:null},errors:{FlashError:l,WebcamError:g},hooks:{},init:function(){var t=this;this.mediaDevices=navigator.mediaDevices&&navigator.mediaDevices.getUserMedia?navigator.mediaDevices:navigator.mozGetUserMedia||navigator.webkitGetUserMedia?{getUserMedia:function(a){return new Promise(function(e,t){(navigator.mozGetUserMedia||navigator.webkitGetUserMedia).call(navigator,a,e,t)})}}:null;u.URL=u.URL||u.webkitURL||u.mozURL||u.msURL;this.userMedia=this.userMedia&&!!this.mediaDevices&&!!u.URL;if(navigator.userAgent.match(/Firefox\D+(\d+)/)){if(parseInt(RegExp.$1,10)<21)this.userMedia=null}if(this.userMedia){u.addEventListener("beforeunload",function(e){t.reset()})}},exifOrientation:function(e){var t=new DataView(e);if(t.getUint8(0)!=255||t.getUint8(1)!=216){console.log("Not a valid JPEG file");return 0}var a=2;var i=null;while(a<e.byteLength){if(t.getUint8(a)!=255){console.log("Not a valid marker at offset "+a+", found: "+t.getUint8(a));return 0}i=t.getUint8(a+1);if(i==225){a+=4;var s="";for(n=0;n<4;n++){s+=String.fromCharCode(t.getUint8(a+n))}if(s!="Exif"){console.log("Not valid EXIF data found");return 0}a+=6;var r=null;if(t.getUint16(a)==18761){r=false}else if(t.getUint16(a)==19789){r=true}else{console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");return 0}if(t.getUint16(a+2,!r)!=42){console.log("Not valid TIFF data! (no 0x002A)");return 0}var o=t.getUint32(a+4,!r);if(o<8){console.log("Not valid TIFF data! (First offset less than 8)",t.getUint32(a+4,!r));return 0}var h=a+o;var l=t.getUint16(h,!r);for(var c=0;c<l;c++){var d=h+c*12+2;if(t.getUint16(d,!r)==274){var f=t.getUint16(d+2,!r);var m=t.getUint32(d+4,!r);if(f!=3&&m!=1){console.log("Invalid EXIF orientation value type ("+f+") or count ("+m+")");return 0}var p=t.getUint16(d+8,!r);if(p<1||p>8){console.log("Invalid EXIF orientation value ("+p+")");return 0}return p}}}else{a+=2+t.getUint16(a+2)}}return 0},fixOrientation:function(e,i,s){var r=new Image;r.addEventListener("load",function(e){var t=document.createElement("canvas");var a=t.getContext("2d");if(i<5){t.width=r.width;t.height=r.height}else{t.width=r.height;t.height=r.width}switch(i){case 2:a.transform(-1,0,0,1,r.width,0);break;case 3:a.transform(-1,0,0,-1,r.width,r.height);break;case 4:a.transform(1,0,0,-1,0,r.height);break;case 5:a.transform(0,1,1,0,0,0);break;case 6:a.transform(0,1,-1,0,r.height,0);break;case 7:a.transform(0,-1,-1,0,r.height,r.width);break;case 8:a.transform(0,-1,1,0,0,r.width);break}a.drawImage(r,0,0);s.src=t.toDataURL()},false);r.src=e},attach:function(t,e){if(typeof t=="string"){t=document.getElementById(t)||document.querySelector(t)}if(!t){return this.dispatch("error",new g("Could not locate DOM element to attach to."))}this.container=t;t.innerHTML="";var a=document.createElement("div");t.appendChild(a);this.peg=a;if(!this.params.width)this.params.width=t.offsetWidth;if(!this.params.height)this.params.height=t.offsetHeight;if(!this.params.width||!this.params.height){return this.dispatch("error",new g("No width and/or height for webcam.  Please call set() first, or attach to a visible element."))}if(!this.params.dest_width)this.params.dest_width=this.params.width;if(!this.params.dest_height)this.params.dest_height=this.params.height;this.userMedia=v===undefined?this.userMedia:v;if(this.params.force_flash){v=this.userMedia;this.userMedia=null}if(typeof this.params.fps!=="number")this.params.fps=30;var i=this.params.width/this.params.dest_width;var s=this.params.height/this.params.dest_height;if(this.userMedia){var r=document.createElement("video");r.setAttribute("autoplay","autoplay");r.setAttribute("playsinline","playsinline");r.style.width=""+this.params.dest_width+"px";r.style.height=""+this.params.dest_height+"px";if(i!=1||s!=1){t.style.overflow="hidden";r.style.webkitTransformOrigin="0px 0px";r.style.mozTransformOrigin="0px 0px";r.style.msTransformOrigin="0px 0px";r.style.oTransformOrigin="0px 0px";r.style.transformOrigin="0px 0px";r.style.webkitTransform="scaleX("+i+") scaleY("+s+")";r.style.mozTransform="scaleX("+i+") scaleY("+s+")";r.style.msTransform="scaleX("+i+") scaleY("+s+")";r.style.oTransform="scaleX("+i+") scaleY("+s+")";r.style.transform="scaleX("+i+") scaleY("+s+")"}t.appendChild(r);this.video=r;this.inited=true;this.dispatch("init");if(!e){var n=this;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){r.onloadedmetadata=function(e){n.stream=t;n.loaded=true;n.live=true;n.dispatch("load");n.dispatch("live");n.flip()};if("srcObject"in r){r.srcObject=t}else{r.src=u.URL.createObjectURL(t)}}).catch(function(e){if(n.params.enable_flash&&n.detectFlash()){setTimeout(function(){n.params.force_flash=1;n.attach(t)},1)}else{n.dispatch("error",e)}})}}else if(this.iOS){var l=document.createElement("div");l.id=this.container.id+"-ios_div";l.className="webcamjs-ios-placeholder";l.style.width=""+this.params.width+"px";l.style.height=""+this.params.height+"px";l.style.textAlign="center";l.style.display="table-cell";l.style.verticalAlign="middle";l.style.backgroundRepeat="no-repeat";l.style.backgroundSize="contain";l.style.backgroundPosition="center";var o=document.createElement("span");o.className="webcamjs-ios-text";o.innerHTML=this.params.iosPlaceholderText;l.appendChild(o);var c=document.createElement("img");c.id=this.container.id+"-ios_img";c.style.width=""+this.params.dest_width+"px";c.style.height=""+this.params.dest_height+"px";c.style.display="none";l.appendChild(c);var h=document.createElement("input");h.id=this.container.id+"-ios_input";h.setAttribute("type","file");h.setAttribute("accept","image/*");h.setAttribute("capture","camera");var n=this;var d=this.params;h.addEventListener("change",function(e){if(e.target.files.length>0&&e.target.files[0].type.indexOf("image/")==0){var a=URL.createObjectURL(e.target.files[0]);var h=new Image;h.addEventListener("load",function(e){var t=document.createElement("canvas");t.width=d.dest_width;t.height=d.dest_height;var a=t.getContext("2d");ratio=Math.min(h.width/d.dest_width,h.height/d.dest_height);var i=d.dest_width*ratio;var s=d.dest_height*ratio;var r=(h.width-i)/2;var n=(h.height-s)/2;a.drawImage(h,r,n,i,s,0,0,d.dest_width,d.dest_height);var o=t.toDataURL();c.src=o;l.style.backgroundImage="url('"+o+"')"},false);var t=new FileReader;t.addEventListener("load",function(e){var t=n.exifOrientation(e.target.result);if(t>1){n.fixOrientation(a,t,h)}else{h.src=a}},false);var i=new XMLHttpRequest;i.open("GET",a,true);i.responseType="blob";i.onload=function(e){if(this.status==200||this.status===0){t.readAsArrayBuffer(this.response)}};i.send()}},false);h.style.display="none";t.appendChild(h);l.addEventListener("click",function(e){if(d.user_callback){n.snap(d.user_callback,d.user_canvas)}else{h.style.display="block";h.focus();h.click();h.style.display="none"}},false);t.appendChild(l);this.loaded=true;this.live=true}else if(this.params.enable_flash&&this.detectFlash()){u.Webcam=w;var l=document.createElement("div");l.innerHTML=this.getSWFHTML();t.appendChild(l);var f=this;if(!e){this.on("init",function(){f.getMovie()._initCamera()})}}else{this.dispatch("error",new g(this.params.noInterfaceFoundText))}if(this.params.crop_width&&this.params.crop_height){var m=Math.floor(this.params.crop_width*i);var p=Math.floor(this.params.crop_height*s);t.style.width=""+m+"px";t.style.height=""+p+"px";t.style.overflow="hidden";t.scrollLeft=Math.floor(this.params.width/2-m/2);t.scrollTop=Math.floor(this.params.height/2-p/2)}else{t.style.width=""+this.params.width+"px";t.style.height=""+this.params.height+"px"}},getCameras:function(i){if(this.userMedia){this.mediaDevices.enumerateDevices().then(function(e){var t=[];for(var a=0;a<e.length;a++){if(e[a].kind==="videoinput"){t.push({id:e[a].deviceId,groupId:e[a].groupId,label:e[a].label})}}i(t)})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var e=this.getMovie()._getCameras();var t=[];for(var a=0;a<e.length;a++){t.push({id:e[a],groupId:"",label:e[a]})}i(t)}},setAndInitCamera:function(e){if(this.userMedia){var a=this;var i=this.video;this.mediaDevices.getUserMedia({audio:false,video:{deviceId:{exact:e}}}).then(function(t){i.onloadedmetadata=function(e){a.stream=t;a.loaded=true;a.live=true;a.dispatch("load");a.dispatch("live");a.flip()};if("srcObject"in i){i.srcObject=t}else{i.src=u.URL.createObjectURL(t)}}).catch(function(e){if(a.params.enable_flash&&a.detectFlash()){setTimeout(function(){a.params.force_flash=1;a.attach(elem)},1)}else{a.dispatch("error",e)}})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._setCamera(e);t._initCamera()}},initCamera:function(){if(this.userMedia){var a=this;var e=this.video;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){e.onloadedmetadata=function(e){a.stream=t;a.loaded=true;a.live=true;a.dispatch("load");a.dispatch("live");a.flip()};if("srcObject"in e){e.srcObject=t}else{e.src=u.URL.createObjectURL(t)}}).catch(function(e){if(a.params.enable_flash&&a.detectFlash()){setTimeout(function(){a.params.force_flash=1;a.attach(elem)},1)}else{a.dispatch("error",e)}})}else if(this.iOS){}else if(this.params.enable_flash&&this.detectFlash()){var t=this.getMovie();t._initCamera()}},reset:function(){if(this.preview_active)this.unfreeze();this.unflip();if(this.userMedia){if(this.stream){if(this.stream.getVideoTracks){var e=this.stream.getVideoTracks();if(e&&e[0]&&e[0].stop)e[0].stop()}else if(this.stream.stop){this.stream.stop()}}delete this.stream;delete this.video}if(this.userMedia!==true&&this.loaded&&!this.iOS){var t=this.getMovie();if(t&&t._releaseCamera)t._releaseCamera()}if(this.container){this.container.innerHTML="";delete this.container}this.loaded=false;this.live=false},set:function(){if(arguments.length==1){for(var e in arguments[0]){this.params[e]=arguments[0][e]}}else{this.params[arguments[0]]=arguments[1]}},on:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(!this.hooks[e])this.hooks[e]=[];this.hooks[e].push(t)},off:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(this.hooks[e]){if(t){var a=this.hooks[e].indexOf(t);if(a>-1)this.hooks[e].splice(a,1)}else{this.hooks[e]=[]}}},dispatch:function(){var e=arguments[0].replace(/^on/i,"").toLowerCase();var t=Array.prototype.slice.call(arguments,1);if(this.hooks[e]&&this.hooks[e].length){for(var a=0,i=this.hooks[e].length;a<i;a++){var s=this.hooks[e][a];if(typeof s=="function"){s.apply(this,t)}else if(typeof s=="object"&&s.length==2){s[0][s[1]].apply(s[0],t)}else if(u[s]){u[s].apply(u,t)}}return true}else if(e=="error"){var r;if(t[0]instanceof l||t[0]instanceof g){r=t[0].message}else{r="Could not access webcam: "+t[0].name+": "+t[0].message+" "+t[0].toString()}alert("Webcam.js Error: "+r)}return false},setSWFLocation:function(e){this.set("swfURL",e)},detectFlash:function(){var e="Shockwave Flash",t="ShockwaveFlash.ShockwaveFlash",a="application/x-shockwave-flash",i=u,s=navigator,r=false;if(typeof s.plugins!=="undefined"&&typeof s.plugins[e]==="object"){var n=s.plugins[e].description;if(n&&(typeof s.mimeTypes!=="undefined"&&s.mimeTypes[a]&&s.mimeTypes[a].enabledPlugin)){r=true}}else if(typeof i.ActiveXObject!=="undefined"){try{var o=new ActiveXObject(t);if(o){var h=o.GetVariable("$version");if(h)r=true}}catch(e){}}return r},getSWFHTML:function(){var e="",t=this.params.swfURL;if(location.protocol.match(/file/)){this.dispatch("error",new l("Flash does not work from local disk.  Please run from a web server."));return'<h3 style="color:red">ERROR: the Webcam.js Flash fallback does not work from local disk.  Please run it from a web server.</h3>'}if(!this.detectFlash()){this.dispatch("error",new l("Adobe Flash Player not found.  Please install from get.adobe.com/flashplayer and try again."));return'<h3 style="color:red">'+this.params.flashNotDetectedText+"</h3>"}if(!t){var a="";var i=document.getElementsByTagName("script");for(var s=0,r=i.length;s<r;s++){var n=i[s].getAttribute("src");if(n&&n.match(/\/webcam(\.min)?\.js/)){a=n.replace(/\/webcam(\.min)?\.js.*$/,"");s=r}}if(a)t=a+"/webcam.swf";else t="webcam.swf"}if(u.localStorage&&!localStorage.getItem("visited")){this.params.new_user=1;localStorage.setItem("visited",1)}var o="";for(var h in this.params){if(o)o+="&";o+=h+"="+escape(this.params[h])}e+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" type="application/x-shockwave-flash" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="wmode" value="opaque" /><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+t+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+o+'"/><embed id="webcam_movie_embed" src="'+t+'" wmode="opaque" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+o+'"></embed></object>';return e},getMovie:function(){if(!this.inited)return this.dispatch("error",new l("Flash Movie is not loaded yet"));var e=document.getElementById("webcam_movie_obj");if(!e||!e._snap)e=document.getElementById("webcam_movie_embed");if(!e)this.dispatch("error",new l("Cannot locate Flash movie in DOM"));return e},freeze:function(){var e=this;var t=this.params;if(this.preview_active)this.unfreeze();var a=this.params.width/this.params.dest_width;var i=this.params.height/this.params.dest_height;this.unflip();var s=t.crop_width||t.dest_width;var r=t.crop_height||t.dest_height;var n=document.createElement("canvas");n.width=s;n.height=r;var o=n.getContext("2d");this.preview_canvas=n;this.preview_context=o;if(a!=1||i!=1){n.style.webkitTransformOrigin="0px 0px";n.style.mozTransformOrigin="0px 0px";n.style.msTransformOrigin="0px 0px";n.style.oTransformOrigin="0px 0px";n.style.transformOrigin="0px 0px";n.style.webkitTransform="scaleX("+a+") scaleY("+i+")";n.style.mozTransform="scaleX("+a+") scaleY("+i+")";n.style.msTransform="scaleX("+a+") scaleY("+i+")";n.style.oTransform="scaleX("+a+") scaleY("+i+")";n.style.transform="scaleX("+a+") scaleY("+i+")"}this.snap(function(){n.style.position="relative";n.style.left=""+e.container.scrollLeft+"px";n.style.top=""+e.container.scrollTop+"px";e.container.insertBefore(n,e.peg);e.container.style.overflow="hidden";e.preview_active=true},n)},unfreeze:function(){if(this.preview_active){this.container.removeChild(this.preview_canvas);delete this.preview_context;delete this.preview_canvas;this.preview_active=false;this.flip()}},flip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(-1)";e.mozTransform="scaleX(-1)";e.msTransform="scaleX(-1)";e.oTransform="scaleX(-1)";e.transform="scaleX(-1)";e.filter="FlipH";e.msFilter="FlipH"}},unflip:function(){if(this.params.flip_horiz){var e=this.container.style;e.webkitTransform="scaleX(1)";e.mozTransform="scaleX(1)";e.msTransform="scaleX(1)";e.oTransform="scaleX(1)";e.transform="scaleX(1)";e.filter="";e.msFilter=""}},savePreview:function(e,t){var a=this.params;var i=this.preview_canvas;var s=this.preview_context;if(t){var r=t.getContext("2d");r.drawImage(i,0,0)}e(t?null:i.toDataURL("image/"+a.image_format,a.jpeg_quality/100),i,s);if(this.params.unfreeze_snap)this.unfreeze()},snap:function(i,s){if(!i)i=this.params.user_callback;if(!s)s=this.params.user_canvas;var e=this;var r=this.params;if(!this.loaded)return this.dispatch("error",new g("Webcam is not loaded yet"));if(!i)return this.dispatch("error",new g("Please provide a callback function or canvas to snap()"));if(this.preview_active){this.savePreview(i,s);return null}var n=document.createElement("canvas");n.width=this.params.dest_width;n.height=this.params.dest_height;var o=n.getContext("2d");if(this.params.flip_horiz){o.translate(r.dest_width,0);o.scale(-1,1)}var t=function(){if(this.src&&this.width&&this.height){o.drawImage(this,0,0,r.dest_width,r.dest_height)}if(r.crop_width&&r.crop_height){var e=document.createElement("canvas");e.width=r.crop_width;e.height=r.crop_height;var t=e.getContext("2d");t.drawImage(n,Math.floor(r.dest_width/2-r.crop_width/2),Math.floor(r.dest_height/2-r.crop_height/2),r.crop_width,r.crop_height,0,0,r.crop_width,r.crop_height);o=t;n=e}if(s){var a=s.getContext("2d");a.drawImage(n,0,0)}i(s?null:n.toDataURL("image/"+r.image_format,r.jpeg_quality/100),n,o)};if(this.userMedia){o.drawImage(this.video,0,0,this.params.dest_width,this.params.dest_height);t()}else if(this.iOS){var a=document.getElementById(this.container.id+"-ios_div");var h=document.getElementById(this.container.id+"-ios_img");var l=document.getElementById(this.container.id+"-ios_input");iFunc=function(e){t.call(h);h.removeEventListener("load",iFunc);a.style.backgroundImage="none";h.removeAttribute("src");l.value=null};if(!l.value){h.addEventListener("load",iFunc);l.style.display="block";l.focus();l.click();l.style.display="none"}else{iFunc(null)}}else{var c=this.getMovie()._snap();var h=new Image;h.onload=t;h.src="data:image/"+this.params.image_format+";base64,"+c}return null},configure:function(e){if(!e)e="camera";this.getMovie()._configure(e)},flashNotify:function(e,t){switch(e){case"flashInitComplete":this.inited=true;this.dispatch("init");break;case"flashLoadComplete":this.loaded=true;this.dispatch("load");break;case"cameraLive":this.live=true;this.dispatch("live");break;case"error":this.dispatch("error",new l(t));break;default:break}},b64ToUint6:function(e){return e>64&&e<91?e-65:e>96&&e<123?e-71:e>47&&e<58?e+4:e===43?62:e===47?63:0},base64DecToArr:function(e,t){var a=e.replace(/[^A-Za-z0-9\+\/]/g,""),i=a.length,s=t?Math.ceil((i*3+1>>2)/t)*t:i*3+1>>2,r=new Uint8Array(s);for(var n,o,h=0,l=0,c=0;c<i;c++){o=c&3;h|=this.b64ToUint6(a.charCodeAt(c))<<18-6*o;if(o===3||i-c===1){for(n=0;n<3&&l<s;n++,l++){r[l]=h>>>(16>>>n&24)&255}h=0}}return r},upload:function(e,t,a){var i=this.params.upload_name||"webcam";var s="";if(e.match(/^data\:image\/(\w+)/))s=RegExp.$1;else throw"Cannot locate image format in Data URI";var r=e.replace(/^data\:image\/\w+\;base64\,/,"");var n=new XMLHttpRequest;n.open("POST",t,true);if(n.upload&&n.upload.addEventListener){n.upload.addEventListener("progress",function(e){if(e.lengthComputable){var t=e.loaded/e.total;w.dispatch("uploadProgress",t,e)}},false)}var o=this;n.onload=function(){if(a)a.apply(o,[n.status,n.responseText,n.statusText]);w.dispatch("uploadComplete",n.status,n.responseText,n.statusText)};var h=new Blob([this.base64DecToArr(r)],{type:"image/"+s});var l=new FormData;l.append(i,h,i+"."+s.replace(/e/,""));n.send(l)}};w.init();if(typeof define==="function"&&define.amd){define(function(){return w})}else if(typeof module==="object"&&module.exports){module.exports=w}else{u.Webcam=w}})(window);
\ No newline at end of file