Extract common code out into kdm_for_screen()

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

diff --git a/src/wx/audio_gain_dialog.cc b/src/wx/audio_gain_dialog.cc
index 75a993d8c4df4b0a4006e24cc43de2f4de129b23..1181123651dacb6eaa5f5c77edc9e3e053968034 100644 (file)
--- a/src/wx/audio_gain_dialog.cc
+++ b/src/wx/audio_gain_dialog.cc
@@ -1,39 +1,41 @@
 /*
-    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2020 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
-#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, true)
+       : TableDialog (parent, _("Channel gain"), 3, 1, true)
 {
        add (wxString::Format (_("Gain for content channel %d in DCP channel %d"), c + 1, d + 1), false);
        _gain = add (new wxSpinCtrlDouble (this));
        add (_("dB"), false);
 
-       _gain->SetRange (-144, 0);
+       _gain->SetRange (-144, 18);
        _gain->SetDigits (1);
        _gain->SetIncrement (0.1);
 
-       _gain->SetValue (20 * log10 (v));
+       _gain->SetValue (linear_to_db(v));
 
        layout ();
 }
@@ -45,5 +47,5 @@ AudioGainDialog::value () const
                return 0;
        }
 
-       return pow (10, _gain->GetValue () / 20);
+       return db_to_linear (_gain->GetValue());
 }