Add and use dB/linear conversion functions.

[dcpomatic.git] / src / wx / audio_dialog.cc

diff --git a/src/wx/audio_dialog.cc b/src/wx/audio_dialog.cc
index 9b3a9376937d4c4c94cf9ec601c4d9613055c48f..2f1f1c8265f324f41cb1c2733dd0f02ad44267bc 100644 (file)
--- a/src/wx/audio_dialog.cc
+++ b/src/wx/audio_dialog.cc
@@ -366,7 +366,7 @@ AudioDialog::setup_statistics ()
        }
 
        pair<AudioAnalysis::PeakTime, int> const peak = _analysis->overall_sample_peak ();
-       float const peak_dB = 20 * log10 (peak.first.peak) + _analysis->gain_correction (_playlist);
+       float const peak_dB = linear_to_db(peak.first.peak) + _analysis->gain_correction(_playlist);
        _sample_peak->SetLabel (
                wxString::Format (
                        _("Sample peak is %.2fdB at %s on %s"),
@@ -384,7 +384,7 @@ AudioDialog::setup_statistics ()
 
        if (_analysis->overall_true_peak()) {
                float const peak = _analysis->overall_true_peak().get();
-               float const peak_dB = 20 * log10 (peak) + _analysis->gain_correction (_playlist);
+               float const peak_dB = linear_to_db(peak) + _analysis->gain_correction(_playlist);
 
                _true_peak->SetLabel (wxString::Format (_("True peak is %.2fdB"), peak_dB));