MediaConnection: Move buffer management on producer side

headers/private/media/experimental/MediaConnection.h

@@ -89,8 +89,6 @@ private:
 	// see BMediaClient::Bind.
 	BMediaConnection*				fBind;
 
-	BBufferGroup*					fBufferGroup;
-
 	bool							fConnected;
 
 	virtual	void					_ReservedMediaConnection0();
@@ -164,6 +162,8 @@ protected:
 	// you are doing.
 	virtual	status_t				SendBuffer(BBuffer* buffer);
 
+	virtual void					Disconnected();
+
 private:
 	media_output					_MediaOutput() const;
 
@@ -174,6 +174,8 @@ private:
 	bool							fEnabled;
 	size_t							fFramesSent;
 
+	BBufferGroup*					fBufferGroup;
+
 	virtual	void					_ReservedMediaOutput0();
 	virtual	void					_ReservedMediaOutput1();
 	virtual	void					_ReservedMediaOutput2();

src/kits/media/experimental/MediaConnection.cpp

@@ -13,8 +13,7 @@
 BMediaConnection::BMediaConnection(media_connection_kinds kinds)
 	:
 	fOwner(NULL),
-	fBind(NULL),
-	fBufferGroup(NULL)
+	fBind(NULL)
 {
 	CALLED();
 
@@ -95,14 +94,7 @@ BMediaConnection::Disconnect()
 {
 	CALLED();
 
-	status_t ret = fOwner->_DisconnectConnection(this);
-	if (ret != B_OK)
-		return ret;
-
-	delete fBufferGroup;
-	fBufferGroup = NULL;
-
-	return ret;
+	return fOwner->_DisconnectConnection(this);
 }
 
 
@@ -238,7 +230,8 @@ void BMediaInput::_ReservedMediaInput10() {}
 
 BMediaOutput::BMediaOutput()
 	:
-	BMediaConnection(B_MEDIA_OUTPUT)
+	BMediaConnection(B_MEDIA_OUTPUT),
+	fBufferGroup(NULL)
 {
 }
 
@@ -304,6 +297,16 @@ BMediaOutput::SendBuffer(BBuffer* buffer)
 }
 
 
+void
+BMediaOutput::Disconnected()
+{
+	delete fBufferGroup;
+	fBufferGroup = NULL;
+
+	BMediaConnection::Disconnected();
+}
+
+
 media_output
 BMediaOutput::_MediaOutput() const
 {