From 2172700144a1b9d13c87bceb5be60f7632f640c4 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Thu, 29 Aug 2013 17:36:52 +0200
Subject: protect meters against weird float values

---
 libs/ardour/iec2ppmdsp.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'libs/ardour/iec2ppmdsp.cc')

diff --git a/libs/ardour/iec2ppmdsp.cc b/libs/ardour/iec2ppmdsp.cc
index 76862cccd2..bb934166fc 100644
--- a/libs/ardour/iec2ppmdsp.cc
+++ b/libs/ardour/iec2ppmdsp.cc
@@ -45,8 +45,8 @@ void Iec2ppmdsp::process (float *p, int n)
 {
     float z1, z2, m, t;
 
-    z1 = _z1;
-    z2 = _z2;
+    z1 = _z1 > 20 ? 20 : (_z1 < 0 ? 0 : _z1);
+    z1 = _z2 > 20 ? 20 : (_z2 < 0 ? 0 : _z2);
     m = _res ? 0: _m;
     _res = false;
 
-- 
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