# HG changeset patch
# User Chris Cannam
# Date 1444232851 -3600
# Node ID 78ed74fa177be5e2acf848dead2b65f872c15633
# Parent  fff8f6d2d2a389e1ead2b54163882e42bf1ccd0e
Fix crash in finetune mode sometimes caused by note remaining on while column falls below threshold

diff -r fff8f6d2d2a3 -r 78ed74fa177b src/Silvet.cpp
--- a/src/Silvet.cpp	Tue Sep 15 14:39:16 2015 +0100
+++ b/src/Silvet.cpp	Wed Oct 07 16:47:31 2015 +0100
@@ -1020,7 +1020,12 @@
         active[j] = strength;
 
         if (shiftCount > 1) {
-            activeShifts[j] = bestShifts[j];
+            if (!bestShifts.empty()) {
+                activeShifts[j] = bestShifts[j];
+            } else {
+                // can happen if column was below threshold
+                activeShifts[j] = 0;
+            }
         }
     }