Atomically reset peak meters #7465
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@ -2,7 +2,7 @@
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* Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
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* Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
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* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2013-2020 Robin Gareus <robin@gareus.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* it under the terms of the GNU General Public License as published by
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@ -97,8 +97,8 @@ private:
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*/
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*/
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ChanCount current_meters;
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ChanCount current_meters;
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bool _reset_dpm;
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volatile gint _reset_dpm;
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bool _reset_max;
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volatile gint _reset_max;
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uint32_t _bufcnt;
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uint32_t _bufcnt;
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std::vector<float> _peak_buffer; // internal, integrate
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std::vector<float> _peak_buffer; // internal, integrate
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@ -2,7 +2,7 @@
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* Copyright (C) 2006-2016 David Robillard <d@drobilla.net>
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* Copyright (C) 2006-2016 David Robillard <d@drobilla.net>
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* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2013-2020 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2015-2016 Len Ovens <len@ovenwerks.net>
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* Copyright (C) 2015-2016 Len Ovens <len@ovenwerks.net>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* This program is free software; you can redistribute it and/or modify
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@ -50,8 +50,8 @@ PeakMeter::PeakMeter (Session& s, const std::string& name)
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Vumeterdsp::init(s.nominal_sample_rate());
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Vumeterdsp::init(s.nominal_sample_rate());
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_pending_active = true;
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_pending_active = true;
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_meter_type = MeterPeak;
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_meter_type = MeterPeak;
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_reset_dpm = true;
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_reset_dpm = 1;
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_reset_max = true;
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_reset_max = 1;
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_bufcnt = 0;
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_bufcnt = 0;
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_combined_peak = 0;
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_combined_peak = 0;
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}
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}
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@ -94,16 +94,13 @@ PeakMeter::run (BufferSet& bufs, samplepos_t /*start_sample*/, samplepos_t /*end
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if (!_active && !_pending_active) {
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if (!_active && !_pending_active) {
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return;
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return;
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}
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}
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const bool do_reset_max = _reset_max;
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// XXX max-peak is set from DPM's peak-buffer, so DPM also needs to be reset in sync:
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const bool do_reset_dpm = _reset_dpm || do_reset_max;
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_reset_max = false;
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const bool reset_max = g_atomic_int_compare_and_exchange (&_reset_max, 1, 0);
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_reset_dpm = false;
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/* max-peak is set from DPM's peak-buffer, so DPM also needs to be reset in sync */
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const bool reset_dpm = g_atomic_int_compare_and_exchange (&_reset_dpm, 1, 0) || reset_max;
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_combined_peak = 0;
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_combined_peak = 0;
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// cerr << "meter " << name() << " runs with " << bufs.available() << " inputs\n";
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const uint32_t n_audio = min (current_meters.n_audio(), bufs.count().n_audio());
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const uint32_t n_audio = min (current_meters.n_audio(), bufs.count().n_audio());
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const uint32_t n_midi = min (current_meters.n_midi(), bufs.count().n_midi());
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const uint32_t n_midi = min (current_meters.n_midi(), bufs.count().n_midi());
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@ -113,10 +110,10 @@ PeakMeter::run (BufferSet& bufs, samplepos_t /*start_sample*/, samplepos_t /*end
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const uint32_t zoh = _session.nominal_sample_rate() * .021;
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const uint32_t zoh = _session.nominal_sample_rate() * .021;
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_bufcnt += nframes;
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_bufcnt += nframes;
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// Meter MIDI in to the first n_midi peaks
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/* Meter MIDI */
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for (uint32_t i = 0; i < n_midi; ++i, ++n) {
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for (uint32_t i = 0; i < n_midi; ++i, ++n) {
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float val = 0.0f;
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float val = 0.0f;
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if (do_reset_dpm) {
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if (reset_dpm) {
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_peak_power[n] = 0;
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_peak_power[n] = 0;
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}
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}
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const MidiBuffer& buf (bufs.get_midi(i));
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const MidiBuffer& buf (bufs.get_midi(i));
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@ -150,33 +147,33 @@ PeakMeter::run (BufferSet& bufs, samplepos_t /*start_sample*/, samplepos_t /*end
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_max_peak_signal[n] = 0;
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_max_peak_signal[n] = 0;
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}
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}
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// Meter audio in to the rest of the peaks
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/* Audio Meters */
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for (uint32_t i = 0; i < n_audio; ++i, ++n) {
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for (uint32_t i = 0; i < n_audio; ++i, ++n) {
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if (bufs.get_audio(i).silent()) {
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if (bufs.get_audio(i).silent()) {
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_peak_buffer[n] = 0;
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_peak_buffer[n] = 0;
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} else {
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} else {
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_peak_buffer[n] = compute_peak (bufs.get_audio(i).data(), nframes, _peak_buffer[n]);
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_peak_buffer[n] = compute_peak (bufs.get_audio(i).data(), nframes, _peak_buffer[n]);
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_peak_buffer[n] = std::min (_peak_buffer[n], 100.f); // cut off at +40dBFS for falloff.
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_peak_buffer[n] = std::min (_peak_buffer[n], 100.f); // cut off at +40dBFS for falloff.
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_max_peak_signal[n] = std::max(_peak_buffer[n], _max_peak_signal[n]); // todo sync reset
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_max_peak_signal[n] = std::max(_peak_buffer[n], _max_peak_signal[n]);
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_combined_peak = std::max(_peak_buffer[n], _combined_peak);
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_combined_peak = std::max(_peak_buffer[n], _combined_peak);
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}
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}
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if (do_reset_max) {
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if (reset_max) {
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_max_peak_signal[n] = 0;
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_max_peak_signal[n] = 0;
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}
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}
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if (do_reset_dpm) {
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if (reset_dpm) {
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_peak_buffer[n] = 0;
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_peak_buffer[n] = 0;
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_peak_power[n] = -std::numeric_limits<float>::infinity();
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_peak_power[n] = -std::numeric_limits<float>::infinity();
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} else {
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} else {
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// falloff
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/* falloff */
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if (_peak_power[n] > -318.8f) {
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if (_peak_power[n] > -318.8f) {
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_peak_power[n] -= falloff_dB;
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_peak_power[n] -= falloff_dB;
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} else {
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} else {
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_peak_power[n] = -std::numeric_limits<float>::infinity();
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_peak_power[n] = -std::numeric_limits<float>::infinity();
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}
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}
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_peak_power[n] = max(_peak_power[n], accurate_coefficient_to_dB(_peak_buffer[n]));
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_peak_power[n] = max(_peak_power[n], accurate_coefficient_to_dB(_peak_buffer[n]));
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// integration buffer, retain peaks > 49Hz
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/* integration buffer, retain peaks > 49Hz */
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if (_bufcnt > zoh) {
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if (_bufcnt > zoh) {
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_peak_buffer[n] = 0;
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_peak_buffer[n] = 0;
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}
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}
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@ -196,12 +193,16 @@ PeakMeter::run (BufferSet& bufs, samplepos_t /*start_sample*/, samplepos_t /*end
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}
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}
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}
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}
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// Zero any excess peaks
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/* Zero any excess peaks */
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for (uint32_t i = n; i < _peak_power.size(); ++i) {
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for (uint32_t i = n; i < _peak_power.size(); ++i) {
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_peak_power[i] = -std::numeric_limits<float>::infinity();
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_peak_power[i] = -std::numeric_limits<float>::infinity();
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_max_peak_signal[n] = 0;
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_max_peak_signal[n] = 0;
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}
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}
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if (reset_dpm) {
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_combined_peak = 0;
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}
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if (_bufcnt > zoh) {
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if (_bufcnt > zoh) {
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_bufcnt = 0;
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_bufcnt = 0;
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}
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}
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@ -213,7 +214,7 @@ void
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PeakMeter::reset ()
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PeakMeter::reset ()
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{
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{
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if (_active || _pending_active) {
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if (_active || _pending_active) {
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_reset_dpm = true;
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g_atomic_int_set (&_reset_dpm, 1);
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} else {
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} else {
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for (size_t i = 0; i < _peak_power.size(); ++i) {
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for (size_t i = 0; i < _peak_power.size(); ++i) {
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_peak_power[i] = -std::numeric_limits<float>::infinity();
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_peak_power[i] = -std::numeric_limits<float>::infinity();
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@ -225,7 +226,7 @@ PeakMeter::reset ()
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}
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}
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}
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}
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// these are handled async just fine.
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/* these are handled async just fine. */
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for (size_t n = 0; n < _kmeter.size(); ++n) {
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for (size_t n = 0; n < _kmeter.size(); ++n) {
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_kmeter[n]->reset();
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_kmeter[n]->reset();
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_iec1meter[n]->reset();
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_iec1meter[n]->reset();
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@ -238,7 +239,7 @@ void
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PeakMeter::reset_max ()
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PeakMeter::reset_max ()
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{
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{
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if (_active || _pending_active) {
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if (_active || _pending_active) {
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_reset_max = true;
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g_atomic_int_set (&_reset_max, 1);
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return;
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return;
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}
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}
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for (size_t i = 0; i < _max_peak_signal.size(); ++i) {
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for (size_t i = 0; i < _max_peak_signal.size(); ++i) {
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@ -283,7 +284,6 @@ PeakMeter::reflect_inputs (const ChanCount& in)
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reset();
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reset();
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current_meters = in;
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current_meters = in;
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reset_max();
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reset_max();
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// ConfigurationChanged() postponed
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}
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}
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void
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void
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