From 22bddf543421f2a75a5a807009ea3e96dcb26cac Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 14 Jun 2017 15:14:56 +0200
Subject: Special-case VCA at 0 (-inf dB), force gain slaves to -inf dB

---
 libs/ardour/gain_control.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

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

diff --git a/libs/ardour/gain_control.cc b/libs/ardour/gain_control.cc
index ee356b017c..7b0f4e404c 100644
--- a/libs/ardour/gain_control.cc
+++ b/libs/ardour/gain_control.cc
@@ -102,6 +102,15 @@ GainControl::inc_gain (gain_t factor)
 	}
 }
 
+void
+GainControl::post_add_master (boost::shared_ptr<AutomationControl> m)
+{
+	if (m->get_value() == 0) {
+		/* master is at -inf, which forces this ctrl to -inf on assignment */
+		Changed (false, Controllable::NoGroup); /* EMIT SIGNAL */
+	}
+}
+
 bool
 GainControl::get_masters_curve_locked (framepos_t start, framepos_t end, float* vec, framecnt_t veclen) const
 {
-- 
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