Fix kVstTransportChanged flag usage in VST sync

Changed according to feedback from AudioBlast. The flag used to be set most of the time, now it is only set when playback starts/stops, looping is toggled, or playback jumps around.

include/Song.h

@@ -87,10 +87,19 @@ public:
 		{
 			return m_currentFrame;
 		}
+		inline void setJumped( const bool jumped )
+		{
+			m_jumped = jumped;
+		}
+		inline bool jumped() const
+		{
+			return m_jumped;
+		}
 		TimeLineWidget * m_timeLine;
 
 	private:
 		float m_currentFrame;
+		bool m_jumped;
 
 	} ;
 

include/VstSyncController.h

@@ -61,6 +61,11 @@ public:
 		m_syncData->isCycle = false;
 	}
 
+	void setPlaybackJumped( bool jumped )
+	{
+		m_syncData->m_playbackJumped = jumped;
+	}
+
 	void update();
 
 
@@ -79,6 +84,7 @@ private:
 		bool hasSHM;
 		float cycleStart;
 		float cycleEnd;
+		bool m_playbackJumped;
 		int m_bufferSize;
 		int m_sampleRate;
 		int m_bpm;

include/VstSyncData.h

@@ -49,6 +49,7 @@ struct VstSyncData
 	bool hasSHM;
 	float cycleStart;
 	float cycleEnd;
+	bool m_playbackJumped;
 	int m_bufferSize;
 	int m_sampleRate;
 	int m_bpm;