Index: ssts-web/src/main/webapp/disinfectsystem/test/takeVideoAndImg.js
===================================================================
diff -u -r31041 -r31701
--- ssts-web/src/main/webapp/disinfectsystem/test/takeVideoAndImg.js	(.../takeVideoAndImg.js)	(revision 31041)
+++ ssts-web/src/main/webapp/disinfectsystem/test/takeVideoAndImg.js	(.../takeVideoAndImg.js)	(revision 31701)
@@ -199,17 +199,17 @@
 	 * getUserMedia API说明：
 	 * 当请求包含一个ideal（应用最理想的）值时，这个值有着更高的权重，意味着浏览器会先尝试找到最接近指定的理想值的设定或者摄像头（如果设备拥有不止一个摄像头）
 	 */
-	var canvasWidth = 3200;
-	var canvasHeight = 1800;
+	var canvasWidth = cameraWidth*2;
+	var canvasHeight = cameraHeight*2;
 	canvasBig.setAttribute('width',canvasWidth);
 	canvasBig.setAttribute('height',canvasHeight);
 	var contextBig = canvasBig.getContext("2d");
 
 	var video = document.getElementById("video");
 	var videoObj = {
 		video: {
-			width: { min: 720, ideal: canvasWidth, max: 4096 },
-    		height: { min: 480, ideal: canvasHeight, max: 2160 }
+			width: {min: 720, ideal: 1920, max: 4096},
+			height: {min: 480, ideal: 1080, max: 2160}
 		}
 	}
 	MediaUtils.getUserMedia(videoObj, false, function (err, stream) {
@@ -232,7 +232,6 @@
 			});
 			return;
 		}
-
 		if ($("#takePhotos").prop("checked")) {//拍图片
 			/*拍图片的下滑效果  */
 			$("#canvas").removeClass("animate-bounce-up");