* VRFS-3466 - updated frontend to pass in GUIDs

web/app/assets/javascripts/webcam_viewer.js.coffee

@@ -88,7 +88,8 @@ context.JK.WebcamViewer = class WebcamViewer
     if device?
       caps = @client.FTUEGetVideoCaptureDeviceCapabilities(device)
       @logger.debug("Got capabilities from device", caps, device)
-      @client.FTUESelectVideoCaptureDevice(device, caps)
+      result = @client.FTUESelectVideoCaptureDevice(device, caps)
+      @logger.debug("FTUESelectVideoCaptureDevice result: ", result)
 
   updateBackend: (selectedResolution, selectedFps) =>
     @logger.debug 'Selecting webcam resolution: ', selectedResolution
@@ -141,22 +142,24 @@ context.JK.WebcamViewer = class WebcamViewer
     webcamName="None Configured"
     # protect against non-video clients pointed at video-enabled server from getting into a session
     webcam = if @client.FTUECurrentSelectedVideoDevice? then @client.FTUECurrentSelectedVideoDevice() else null
+    logger.debug("currently selected video device", webcam)
     if (webcam? && Object.keys(webcam).length>0)
-      webcamName = _.values(webcam)[0]
+      webcamName = Object.keys(webcam)[0]
 
     webcamName
 
   loadWebCams:() =>
     # protect against non-video clients pointed at video-enabled server from getting into a session
-    devices = if @client.FTUEGetVideoCaptureDeviceNames? then @client.FTUEGetVideoCaptureDeviceNames() else []
+    devices = if @client.FTUEGetVideoCaptureDeviceNames? then @client.FTUEGetVideoCaptureDeviceNames() else {}
+    @logger.debug("webcam devices", devices)
     selectedDevice = this.selectedDeviceName()
     selectControl = @webcamSelect
-    context._.each devices, (device) ->
-      selected = device == selectedDevice
+    context._.each devices, (deviceName, deviceGuid) ->
+      selected = deviceName == selectedDevice
       option = $('<option/>',
-        id: device
-        value: device
-        text: device)
+        id: deviceGuid
+        value: deviceGuid
+        text: deviceName)
       selectControl.append option
     selectControl.val selectedDevice