From 1f0f01c0adcf8228e8f4efdd0340cf48484780d1 Mon Sep 17 00:00:00 2001
From: Jonathan Moore Liles <j.liles@unix.net>
Date: Tue, 17 Nov 2020 19:53:06 -0800
Subject: [PATCH] Timeline: Don't send the same OSC control sequence value
 twice and so avoid messing with OSC learning in non-mixer when transport is
 stopped.

---
 timeline/src/Control_Sequence.C | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/timeline/src/Control_Sequence.C b/timeline/src/Control_Sequence.C
index 9fda53a..f5ba68d 100644
--- a/timeline/src/Control_Sequence.C
+++ b/timeline/src/Control_Sequence.C
@@ -634,12 +634,15 @@ Control_Sequence::process_osc ( void )
 
     if ( _osc_output() )
     {
-        sample_t buf[1];
+        sample_t buf = 0;
+	        
+        play( &buf, (nframes_t)transport->frame, (nframes_t) 1 );
 
-        *buf = 0;
-        
-        play( buf, (nframes_t)transport->frame, (nframes_t) 1 );
-        _osc_output()->value( (float)buf[0] );
+	/* only send value if it is significantly different from the last value sent */
+	if ( fabsf( _osc_output()->value() - (float)buf ) > 0.001 )
+	{
+	    _osc_output()->value( (float)buf );
+	}
     }
 }