diff options
| author | Carl Hetherington <cth@carlh.net> | 2020-02-27 22:26:57 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2020-02-27 22:26:57 +0100 |
| commit | bcc4e2f7dc4cd5658e199ddacb7202b00ec72cf1 (patch) | |
| tree | 70a6d59908b1d1391e2f9ecd2c8bd17890b3bbc5 /src/wx/audio_gain_dialog.cc | |
| parent | a2ceaa313a2b8ba28516c935f7f8b82d69957b77 (diff) | |
Add and use dB/linear conversion functions.
Diffstat (limited to 'src/wx/audio_gain_dialog.cc')
| -rw-r--r-- | src/wx/audio_gain_dialog.cc | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/wx/audio_gain_dialog.cc b/src/wx/audio_gain_dialog.cc index 72b3f86ca..5cd936d24 100644 --- a/src/wx/audio_gain_dialog.cc +++ b/src/wx/audio_gain_dialog.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2014 Carl Hetherington <cth@carlh.net> + Copyright (C) 2014-2020 Carl Hetherington <cth@carlh.net> This file is part of DCP-o-matic. @@ -18,10 +18,11 @@ */ -#include <cmath> -#include <wx/spinctrl.h> #include "audio_gain_dialog.h" #include "wx_util.h" +#include "lib/util.h" +#include <cmath> +#include <wx/spinctrl.h> AudioGainDialog::AudioGainDialog (wxWindow* parent, int c, int d, float v) : TableDialog (parent, _("Channel gain"), 3, 1, true) @@ -34,7 +35,7 @@ AudioGainDialog::AudioGainDialog (wxWindow* parent, int c, int d, float v) _gain->SetDigits (1); _gain->SetIncrement (0.1); - _gain->SetValue (20 * log10 (v)); + _gain->SetValue (linear_to_db(v)); layout (); } @@ -46,5 +47,5 @@ AudioGainDialog::value () const return 0; } - return pow (10, _gain->GetValue () / 20); + return db_to_linear (_gain->GetValue()); } |