Fix bugs

include/MemoryManager.h

@@ -31,7 +31,7 @@
 #include <QtCore/QReadWriteLock>
 #include <QtCore/QHash>
 #include "MemoryHelper.h"
-
+#include "export.h"
 
 const int MM_CHUNK_SIZE = 64; // granularity of managed memory
 const int MM_INITIAL_CHUNKS = 1024 * 1024; // how many chunks to allocate at startup - TODO: make configurable
@@ -85,7 +85,7 @@ struct PtrInfo
 typedef QVector<MemoryPool> MemoryPoolVector;
 typedef QHash<void*, PtrInfo> PointerInfoMap;
 
-class MemoryManager
+class EXPORT MemoryManager
 {
 public:
 	static bool init();

src/core/audio/AudioPort.cpp

@@ -104,8 +104,6 @@ void AudioPort::doProcessing()
 {
 	const fpp_t fpp = engine::mixer()->framesPerPeriod();
 
-	if( m_playHandles.isEmpty() ) return; // skip processing if no playhandles are connected
-
 	m_portBuffer = BufferManager::acquire(); // get buffer for processing
 
 	engine::mixer()->clearAudioBuffer( m_portBuffer, fpp ); // clear the audioport buffer so we can use it