mamburu: Fixed InputNode's thread not being stopped at all

Audio/AudioPlayer.m

@@ -57,7 +57,6 @@
 	output = [[OutputNode alloc] initWithController:self previous:nil];
 	[output setup];
 	[output setVolume: volume];
-	
 	@synchronized(chainQueue) {
         for (id anObject in chainQueue)
 		{
@@ -65,7 +64,6 @@
 		}
 		[chainQueue removeAllObjects];
 		endOfInputReached = NO;
-		
 		if (bufferChain)
 		{
 			[bufferChain setShouldContinue:NO];
@@ -73,7 +71,7 @@
 			[bufferChain release];
 		}
 	}
-	
+
 	bufferChain = [[BufferChain alloc] initWithController:self];
 	[self notifyStreamChanged:userInfo];
 	
@@ -97,7 +95,7 @@
 		
 		bufferChain = [[BufferChain alloc] initWithController:self];
 	}
-	
+
 	[bufferChain setUserInfo:userInfo];
 
 	[self setShouldContinue:YES];

Audio/Chain/BufferChain.m

@@ -122,6 +122,10 @@
 
 - (void)dealloc
 {
+    [[inputNode exitAtTheEndOfTheStream] signal];
+    [[inputNode semaphore] signal];
+    [[inputNode exitAtTheEndOfTheStream] wait]; // wait for decoder to be closed (see InputNode's -(void)process )
+
     [rgInfo release];
 	[userInfo release];
 	[streamURL release];

Audio/Chain/InputNode.h

@@ -31,6 +31,7 @@
 
     Semaphore *exitAtTheEndOfTheStream;
 }
+@property(readonly) Semaphore *exitAtTheEndOfTheStream;
 
 - (BOOL)openWithSource:(id<CogSource>)source;
 - (BOOL)openWithDecoder:(id<CogDecoder>) d;

Audio/Chain/InputNode.m

@@ -15,6 +15,8 @@
 #import "Logging.h"
 
 @implementation InputNode
+@synthesize exitAtTheEndOfTheStream;
+
 
 - (id)initWithController:(id)c previous:(id)p {
     self = [super initWithController:c previous:p];
@@ -174,6 +176,8 @@
     free(inputBuffer);
 
     [exitAtTheEndOfTheStream signal];
+
+    DLog("Input node thread stopping");
 }
 
 - (void)seek:(long)frame
@@ -203,16 +207,13 @@
 - (void)dealloc
 {
 	DLog(@"Input Node dealloc");
-    [exitAtTheEndOfTheStream signal];
-    [exitAtTheEndOfTheStream wait]; // wait for decoder to be closed (see -(void)process )
-    [exitAtTheEndOfTheStream release];
-    
 	[decoder removeObserver:self forKeyPath:@"properties"];
 	[decoder removeObserver:self forKeyPath:@"metadata"];
 
 	[decoder release];
-	
-	[super dealloc];
+
+    [exitAtTheEndOfTheStream release];
+    [super dealloc];
 }
 
 - (NSDictionary *) properties