* VRFS-3118 - refresh latency by start/stopping audio system

web/app/assets/javascripts/dialog/singlePlayerProfileGuard.js.coffee

@@ -24,15 +24,34 @@ context.JK.SinglePlayerProfileGuardDialog = class SinglePlayerProfileGuardDialog
     @audioLatency = @dialog.find('.audio-latency')
     @btnPrivateSession = @dialog.find('.btn-private-session')
     @btnGearSetup = @dialog.find('.btn-gear-setup')
+    @btnRescan = @dialog.find('.btn-rescan')
+    @rescanningNotice = @dialog.find('.rescanning-notice')
 
     @btnPrivateSession.on('click', @onPrivateSessionChoice)
     @btnGearSetup.on('click', @onGearSetupChoice)
+    @btnRescan.on('click', @onRescan)
 
   beforeShow:() =>
     @dialog.data('result', { choice: null})
 
 
-  afterShow:() =>
+  onRescan: () =>
+    @gearUtils.scheduleAudioRestart('single-player-guard', 1000, @beforeScan, @afterScan)
+
+  beforeScan: () =>
+    @dialog.find('.action-buttons a').addClass('disabled')
+    @rescanningNotice.show();
+
+  afterScan: (canceled) =>
+    @dialog.find('.action-buttons a').removeClass('disabled')
+    @rescanningNotice.hide();
+
+    if !canceled
+      result = context.jamClient.ReloadAudioSystem(true, true, true);
+
+    @refresh();
+
+  refresh:() =>
     canPlayWithOthers = @gearUtils.canPlayWithOthers()
 
     if canPlayWithOthers.isNoInputProfile
@@ -46,6 +65,11 @@ context.JK.SinglePlayerProfileGuardDialog = class SinglePlayerProfileGuardDialog
 
     @audioLatency.text("#{latency} milliseconds.")
 
+  afterShow:() =>
+    @refresh()
+
+
+
   onPrivateSessionChoice: () =>
     @dialog.data('result', { choice: 'private_session'})
     @app.layout.closeDialog(@dialogId)

web/app/assets/javascripts/scheduled_session.js.erb

@@ -937,12 +937,6 @@
         }
       }
 
-      if(optionRequiresMultiplayerProfile()) {
-        if(context.JK.guardAgainstSinglePlayerProfile(app).canPlay == false) {
-          return false;
-        }
-      }
-
       var valid = beforeMoveStep();
       if (!valid) {
         return false;

web/app/assets/javascripts/wizard/gear_utils.js

@@ -34,6 +34,12 @@
   // as well have a score below 20 ms
   gearUtils.canPlayWithOthers = function(profile) {
 
+    if(!context.jamClient.IsAudioStarted()) {
+      context.jamClient.ReloadAudioSystem(true, true, true);
+      context.jamClient.StopAudio();
+    }
+
+
     var isNoInputProfile = gearUtils.isNoInputProfile(profile);
     var expectedLatency = context.jamClient.FTUEGetExpectedLatency();
     var audioLatency = expectedLatency ? expectedLatency.latency : null;

web/app/assets/stylesheets/dialogs/singlePlayerProfileGuard.css.scss

@@ -26,4 +26,13 @@
   p {
     line-height:125%;
   }
+
+  .rescanning-notice {
+    display:none;
+
+    span.spinner-small {
+      display:inline-block;
+      vertical-align: middle;
+    }
+  }
 }

web/app/views/dialogs/_singlePlayerProfileGuard.html.slim

@@ -17,6 +17,10 @@
       br
       | With this profile, you can't play with others in real-time.  However, you can play with JamTracks and backing tracks by yourself in a private session, or go to the gear setup wizard and add a new audio profile that uses your gear.
     .right.action-buttons
+      span.rescanning-notice
+        span.spinner-small
+        | Rescanning...
       a.button-grey.btn-cancel href='#' layout-action="cancel" CANCEL
+      a.button-grey.btn-rescan.hidden href='#' RESCAN
       a.button-grey.btn-gear-setup href="/client#/account/audio" GO TO GEAR SETUP
       a.button-orange.btn-private-session href="#" PRIVATE SESSION