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/*
Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
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.
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 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"
AudioGainDialog::AudioGainDialog (wxWindow* parent, int c, int d, float v)
: 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->SetDigits (1);
_gain->SetIncrement (0.1);
_gain->SetValue (20 * log10 (v));
layout ();
}
float
AudioGainDialog::value () const
{
if (_gain->GetValue() <= -144) {
return 0;
}
return pow (10, _gain->GetValue () / 20);
}
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