reset meters when changing metering-point or ports

1 files changed, 12 insertions, 0 deletions

diff --git a/libs/ardour/meter.cc b/libs/ardour/meter.cc
index 38c5bb63de..4d096aae89 100644
--- a/libs/ardour/meter.cc
+++ b/libs/ardour/meter.cc
@@ -137,6 +137,18 @@ PeakMeter::reflect_inputs (const ChanCount& in)
 {
 	current_meters = in;
 
+	const size_t limit = min (_peak_power.size(), (size_t) current_meters.n_total ());
+	const size_t n_midi  = min (_peak_power.size(), (size_t) current_meters.n_midi());
+
+	for (size_t n = 0; n < limit; ++n) {
+		if (n < n_midi) {
+			_visible_peak_power[n] = 0;
+		} else {
+			_visible_peak_power[n] = -INFINITY;
+		}
+	}
+	reset_max();
+
 	ConfigurationChanged (in, in); /* EMIT SIGNAL */
 }