improved mic deactivation logic

Application/Application/AVMonitor.h

@@ -32,6 +32,9 @@
 //microphone state
 @property NSControlStateValue microphoneState;
 
+//last microphone state
+@property(nonatomic, retain)NSDate* lastMicEvent;
+
 /* METHODS */
 
 //start

Application/Application/AVMonitor.m

@@ -29,6 +29,7 @@ extern os_log_t logHandle;
 
 @synthesize clients;
 @synthesize audioClients;
+@synthesize lastMicEvent;
 
 //init
 // create XPC connection & set remote obj interface
@@ -824,6 +825,23 @@ bail:
         //dbg msg
         os_log_debug(logHandle, "built in mic changed state to %ld", (long)state);
         
+        //ingore if event is too soon
+        // macOS seems to toggle mic on/off on an off event :|
+        if( (nil != self.lastMicEvent) &&
+            ([[NSDate date] timeIntervalSinceDate:self.lastMicEvent] < 0.5f) )
+        {
+            //dbg msg
+            os_log_debug(logHandle, "ignoring mic event, as it happened <0.5s ");
+            
+            //update
+            self.lastMicEvent = [NSDate date];
+            
+            return;
+        }
+           
+        //update
+        self.lastMicEvent = [NSDate date];
+        
         //mic off?
         if(NSControlStateValueOff == state)
         {

Shared/Utilities.m

@@ -1493,7 +1493,7 @@ NSMutableDictionary* execTask(NSString* binaryPath, NSArray* arguments, BOOL sho
 bail:
     
     //dbg msg
-    os_log_debug(logHandle, "task completed with %@", results);
+    os_log_debug(logHandle, "task completed with %{public}@", results);
     
     return results;
 }