/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
#include "dolby_cp750.h"
#include "i18n.h"
+
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;
-}