2 Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <wx/spinctrl.h>
22 #include "audio_gain_dialog.h"
25 AudioGainDialog::AudioGainDialog (wxWindow* parent, int c, int d, float v)
26 : wxDialog (parent, wxID_ANY, _("Channel gain"))
28 wxFlexGridSizer* table = new wxFlexGridSizer (3, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
29 table->AddGrowableCol (1, 1);
31 add_label_to_sizer (table, this, wxString::Format (_("Gain for content channel %d in DCP channel %d"), c + 1, d + 1), false);
32 _gain = new wxSpinCtrlDouble (this);
35 add_label_to_sizer (table, this, _("dB"), false);
37 wxBoxSizer* overall_sizer = new wxBoxSizer (wxVERTICAL);
38 overall_sizer->Add (table, 1, wxEXPAND | wxALL, DCPOMATIC_DIALOG_BORDER);
40 wxSizer* buttons = CreateSeparatedButtonSizer (wxOK | wxCANCEL);
42 overall_sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
45 SetSizer (overall_sizer);
46 overall_sizer->Layout ();
47 overall_sizer->SetSizeHints (this);
49 _gain->SetRange (-144, 0);
51 _gain->SetIncrement (0.1);
53 _gain->SetValue (20 * log10 (v));
57 AudioGainDialog::value () const
59 if (_gain->GetValue() <= -144) {
63 return pow (10, _gain->GetValue () / 20);