trigger automation only when time has changed

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@249 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/track.h

@@ -501,7 +501,7 @@ public:
 
 
 protected:
-	void sendMidiTime( const midiTime & _time );
+	bool sendMidiTime( const midiTime & _time );
 	QString m_name;
 
 
@@ -509,6 +509,7 @@ private:
 	trackContainer * m_trackContainer;
 	trackWidget * m_trackWidget;
 	QPtrList<automationPattern> m_automation_patterns;
+	midiTime m_last_time_sent;
 
 } ;
 

src/tracks/instrument_track.cpp

@@ -872,8 +872,10 @@ bool FASTCALL instrumentTrack::play( const midiTime & _start,
 					const f_cnt_t _frame_base,
 							Sint16 _tco_num )
 {
-	sendMidiTime( _start );
-	emit sentMidiTime( _start );
+	if( sendMidiTime( _start ) )
+	{
+		emit sentMidiTime( _start );
+	}
 
 	// calculate samples per tact; need that later when calculating
 	// sample-pos of a note