Extract common code out into kdm_for_screen()

[dcpomatic.git] / src / lib / dolby_cp750.cc

diff --git a/src/lib/dolby_cp750.cc b/src/lib/dolby_cp750.cc
index 317d129d99f0abcba3af6c78d4bf904baf05010c..380ab0564acdc61d9d18202f7ec95d43fbe575c9 100644 (file)
--- a/src/lib/dolby_cp750.cc
+++ b/src/lib/dolby_cp750.cc
@@ -1,19 +1,20 @@
 /*
     Copyright (C) 2012 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/>.
 
 */
 
@@ -24,37 +25,7 @@
 using namespace std;
 
 DolbyCP750::DolbyCP750 ()
-       : CinemaSoundProcessor ("dolby_cp750", _("Dolby CP650 and CP750"))
+       : CinemaSoundProcessor ("dolby_cp750", _("Dolby CP650 or CP750"), 4.0f, 20, 3.33333333333333333)
 {
 
 }
-
-float
-DolbyCP750::db_for_fader_change (float from, float to) const
-{
-       float db = 0;
-
-       if (from < to) {
-               if (from <= 4) {
-                       float const t = min (to, 4.0f);
-                       db += (t - from) * 20;
-               }
-               
-               if (to > 4) {
-                       float const t = max (from, 4.0f);
-                       db += (to - t) * 3.33333333333333333;
-               }
-       } else {
-               if (from >= 4) {
-                       float const t = max (to, 4.0f);
-                       db -= (from - t) * 3.33333333333333333;
-               }
-
-               if (to < 4) {
-                       float const t = min (from, 4.0f);
-                       db -= (t - to) * 20;
-               }
-       }
-
-       return db;
-}