diff options
Diffstat (limited to 'libs/ardour/meter.cc')
| -rw-r--r-- | libs/ardour/meter.cc | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/libs/ardour/meter.cc b/libs/ardour/meter.cc index 1ce610d13c..66e0a98dd3 100644 --- a/libs/ardour/meter.cc +++ b/libs/ardour/meter.cc @@ -57,6 +57,14 @@ PeakMeter::reset () } void +PeakMeter::reset_max () +{ + for (size_t i = 0; i < _max_peak_power.size(); ++i) { + _max_peak_power[i] = -INFINITY; + } +} + +void PeakMeter::setup (const ChanCount& in) { uint32_t limit = in.get(DataType::AUDIO); @@ -68,11 +76,13 @@ PeakMeter::setup (const ChanCount& in) while (_peak_power.size() < limit) { _peak_power.push_back (0); - _visible_peak_power.push_back (0); + _visible_peak_power.push_back (minus_infinity()); + _max_peak_power.push_back (minus_infinity()); } assert(_peak_power.size() == limit); assert(_visible_peak_power.size() == limit); + assert(_max_peak_power.size() == limit); } /** To be driven by the Meter signal from IO. @@ -102,6 +112,10 @@ PeakMeter::meter () new_peak = minus_infinity(); } + /* update max peak */ + + _max_peak_power[n] = std::max (new_peak, _max_peak_power[n]); + if (Config->get_meter_falloff() == 0.0f || new_peak > _visible_peak_power[n]) { _visible_peak_power[n] = new_peak; } else { |