2 Copyright (C) 2012 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.
20 #include "dolby_cp750.h"
24 DolbyCP750::DolbyCP750 ()
25 : SoundProcessor ("dolby_cp750", "Dolby CP750")
31 DolbyCP750::db_for_fader_change (float from, float to) const
37 float const t = min (to, 4.0f);
38 db += (t - from) * 20;
42 float const t = max (from, 4.0f);
43 db += (to - t) * 3.33333333333333333;
47 float const t = max (to, 4.0f);
48 db -= (from - t) * 3.33333333333333333;
52 float const t = min (from, 4.0f);