OSC: fix issue 6839, make all OSC gaindB values below -192, inf.

diff --git a/libs/surfaces/osc/osc.cc b/libs/surfaces/osc/osc.cc
index 37c0cd77271b746f8b1da4b064a8d11be77f705c..84f38f206b80642ee7b2bbd2670aaaa9f49401d0 100644 (file)
--- a/libs/surfaces/osc/osc.cc
+++ b/libs/surfaces/osc/osc.cc
@@ -1108,6 +1108,9 @@ OSC::route_set_gain_abs (int rid, float level)
 int
 OSC::route_set_gain_dB (int rid, float dB)
 {
+       if (dB < -192) {
+               return route_set_gain_abs (rid, 0.0);
+       }
        return route_set_gain_abs (rid, dB_to_coefficient (dB));
 }