Fixed duplicate controllers issue

include/song.h

@@ -278,6 +278,8 @@ public slots:
 
 	void addBBTrack();
 
+	bool isLoadingProject();
+
 
 private slots:
 	void insertBar();

plugins/peak_controller_effect/peak_controller_effect_controls.cpp

@@ -30,6 +30,7 @@
 #include "peak_controller_effect_controls.h"
 #include "peak_controller_effect.h"
 #include "preset_preview_play_handle.h"
+#include "song.h"
 
 
 PeakControllerEffectControls::
@@ -67,7 +68,7 @@ void PeakControllerEffectControls::loadSettings( const QDomElement & _this )
 	}
 	m_effect->m_effectId = effectId;
 
-	if( m_effect->m_autoController && presetPreviewPlayHandle::isPreviewing() == false )
+    if( m_effect->m_autoController && ( engine::getSong()->isLoadingProject() == true || presetPreviewPlayHandle::isPreviewing() == false ) )
 	{
 		delete m_effect->m_autoController;
 		m_effect->m_autoController = 0;

src/core/preset_preview_play_handle.cpp

@@ -258,12 +258,7 @@ ConstNotePlayHandleList presetPreviewPlayHandle::nphsOfInstrumentTrack(
 
 bool presetPreviewPlayHandle::isPreviewing()
 {
-	bool ret = s_previewTC->m_dataMutex.tryLock();
-	if( ret == true )
-	{
-		s_previewTC->m_dataMutex.unlock();
-	}
-	return ret;
+	return s_previewTC->isPreviewing();
 }
 
 

src/core/song.cpp

@@ -1500,6 +1500,13 @@ void song::removeController( Controller * _controller )
 
 
 
+
+bool song::isLoadingProject()
+{
+	return m_loadingProject;
+}
+
+
 #include "moc_song.cxx"