ardour/livetrax
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optimize peak calculation of silent buffers

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This commit is contained in:
Robin Gareus 2013-12-30 14:26:09 +01:00
parent a3ba6163b3
commit c284823413
1 changed files with 5 additions and 1 deletions
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6
libs/ardour/meter.cc
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@ -107,7 +107,11 @@ PeakMeter::run (BufferSet& bufs, framepos_t /*start_frame*/, framepos_t /*end_fr
// 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);
}