MediaClient: Polish destructors

* Make Release() the only public way to destroy a connection.

headers/private/media/experimental/MediaClient.h

@@ -23,6 +23,11 @@ class BMediaConnection;
 class BMediaInput;
 class BMediaOutput;
 
+// Private stuff
+class InputReleaser;
+class OutputReleaser;
+
+
 // BMediaClient is a general purpose class allowing to create any kind
 // of media_node. It automatically manage the expected behavior under
 // different run modes, and allow to specify the different capabilities needed.
@@ -171,8 +176,8 @@ private:
 
 			bigtime_t				fCurrentTime;
 
-			BObjectList<BMediaInput>	fInputs;
-			BObjectList<BMediaOutput>	fOutputs;
+			BObjectList<InputReleaser>	fInputs;
+			BObjectList<OutputReleaser>	fOutputs;
 
 			media_connection_id		fLastID;
 

headers/private/media/experimental/MediaConnection.h

@@ -27,8 +27,6 @@ class BMediaClientNode;
 // to the connection B SendBuffer method.
 class BMediaConnection {
 public:
-	virtual							~BMediaConnection();
-
 	const media_connection&			Connection() const;
 	BMediaClient*					Client() const;
 
@@ -67,6 +65,7 @@ public:
 protected:
 									BMediaConnection(
 										media_connection_kinds kinds);
+	virtual							~BMediaConnection();
 
 	// Those callbacks are shared between BMediaInput and BMediaOutput
 	virtual void					Connected(const media_format& format);
@@ -84,6 +83,7 @@ protected:
 										bigtime_t* max) const;
 
 private:
+
 			void					_ConnectionRegistered(BMediaClient* owner,
 										media_connection_id id);
 
@@ -135,6 +135,8 @@ public:
 									BMediaInput();
 
 protected:
+	virtual							~BMediaInput();
+
 	// Callbacks
 	virtual status_t				FormatChanged(const media_format& format);
 
@@ -168,6 +170,8 @@ public:
 	bool							IsEnabled() const;
 
 protected:
+	virtual							~BMediaOutput();
+
 	// Callbacks
 	virtual status_t				PrepareToConnect(media_format* format);
 

headers/private/media/experimental/SimpleMediaClient.h

@@ -117,6 +117,7 @@ public:
 protected:
 									BSimpleMediaConnection(
 										media_connection_kinds kinds);
+	virtual							~BSimpleMediaConnection();
 
 			process_hook			fProcessHook;
 			notify_hook				fNotifyHook;
@@ -129,6 +130,8 @@ public:
 									BSimpleMediaInput();
 
 protected:
+	virtual							~BSimpleMediaInput();
+
 	virtual void					Connected(const media_format& format);
 	virtual void					Disconnected();
 
@@ -141,6 +144,8 @@ public:
 									BSimpleMediaOutput();
 
 protected:
+	virtual							~BSimpleMediaOutput();
+
 	virtual void					Connected(const media_format& format);
 	virtual void					Disconnected();