#include <algorithm>
#include <cmath>
+#include <limits>
#include "pbd/compose.h"
// Meter audio in to the rest of the peaks
for (uint32_t i = 0; i < n_audio; ++i, ++n) {
- _peak_signal[n] = compute_peak (bufs.get_audio(i).data(), nframes, _peak_signal[n]);
+ if (bufs.get_audio(i).silent()) {
+ _peak_signal[n] = .0f;
+ } else {
+ _peak_signal[n] = compute_peak (bufs.get_audio(i).data(), nframes, _peak_signal[n]);
+ }
if (_meter_type & (MeterKrms | MeterK20 | MeterK14 | MeterK12)) {
_kmeter[i]->process(bufs.get_audio(i).data(), nframes);
}
PeakMeter::reset_max ()
{
for (size_t i = 0; i < _max_peak_power.size(); ++i) {
- _max_peak_power[i] = -INFINITY;
+ _max_peak_power[i] = -std::numeric_limits<float>::infinity();
_max_peak_signal[i] = 0;
}
if (n < n_midi) {
_visible_peak_power[n] = 0;
} else {
- _visible_peak_power[n] = -INFINITY;
+ _visible_peak_power[n] = -std::numeric_limits<float>::infinity();
}
}
}
_peak_signal[n] = 0; /* ... to here */
if (n < n_midi) {
- _max_peak_power[n] = -INFINITY; // std::max (new_peak, _max_peak_power[n]); // XXX
+ _max_peak_power[n] = -std::numeric_limits<float>::infinity(); // std::max (new_peak, _max_peak_power[n]); // XXX
_max_peak_signal[n] = 0;
if (midi_meter_falloff == 0.0f || new_peak > _visible_peak_power[n]) {
;
} else {
// do falloff
new_peak = _visible_peak_power[n] - (audio_meter_falloff);
- _visible_peak_power[n] = std::max (new_peak, -INFINITY);
+ _visible_peak_power[n] = std::max (new_peak, -std::numeric_limits<float>::infinity());
}
}
}