Accessor for ClosedCaptionsDialog.

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

diff --git a/src/lib/cinema_sound_processor.cc b/src/lib/cinema_sound_processor.cc
index 6a79051145e81e33ff998cacf1f4f7e21cb6c7d7..1a3ba5a0f0af61fcd9b9d412a4b6111e4ffc82ca 100644 (file)
--- a/src/lib/cinema_sound_processor.cc
+++ b/src/lib/cinema_sound_processor.cc
@@ -1,19 +1,20 @@
 /*
     Copyright (C) 2012-2014 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/>.
 
 */
 
@@ -21,10 +22,13 @@
  *  @brief CinemaSoundProcessor class.
  */
 
-#include <iostream>
-#include <cassert>
 #include "cinema_sound_processor.h"
 #include "dolby_cp750.h"
+#include "usl.h"
+#include "datasat_ap2x.h"
+#include "dcpomatic_assert.h"
+#include <iostream>
+#include <cassert>
 
 using namespace std;
 
@@ -33,9 +37,12 @@ vector<CinemaSoundProcessor const *> CinemaSoundProcessor::_cinema_sound_process
 /** @param i Our id.
  *  @param n User-visible name.
  */
-CinemaSoundProcessor::CinemaSoundProcessor (string i, string n)
+CinemaSoundProcessor::CinemaSoundProcessor (string i, string n, float knee, float below, float above)
        : _id (i)
        , _name (n)
+       , _knee (knee)
+       , _below (below)
+       , _above (above)
 {
 
 }
@@ -54,6 +61,8 @@ void
 CinemaSoundProcessor::setup_cinema_sound_processors ()
 {
        _cinema_sound_processors.push_back (new DolbyCP750);
+       _cinema_sound_processors.push_back (new USL);
+       _cinema_sound_processors.push_back (new DatasatAP2x);
 }
 
 /** @param id One of our ids.
@@ -98,6 +107,36 @@ CinemaSoundProcessor::as_index (CinemaSoundProcessor const * s)
 CinemaSoundProcessor const *
 CinemaSoundProcessor::from_index (int i)
 {
-       assert (i <= int(_cinema_sound_processors.size ()));
+       DCPOMATIC_ASSERT (i <= int(_cinema_sound_processors.size ()));
        return _cinema_sound_processors[i];
 }
+
+float
+CinemaSoundProcessor::db_for_fader_change (float from, float to) const
+{
+       float db = 0;
+
+       if (from < to) {
+               if (from <= _knee) {
+                       float const t = min (to, _knee);
+                       db += (t - from) * _below;
+               }
+
+               if (to > 4) {
+                       float const t = max (from, _knee);
+                       db += (to - t) * _above;
+               }
+       } else {
+               if (from >= _knee) {
+                       float const t = max (to, _knee);
+                       db -= (from - t) * _above;
+               }
+
+               if (to < _knee) {
+                       float const t = min (from, _knee);
+                       db -= (t - to) * _below;
+               }
+       }
+
+       return db;
+}