Move Film::make_kdms to the call sites.
[dcpomatic.git] / src / wx / audio_mapping_view.cc
index 140f18d60341207cd03ad2bdc89a4999c32e4a56..1d9c085355f6a38f7ac27dfc1894256abb7381b6 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2019 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2020 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -55,9 +55,10 @@ using dcp::locale_convert;
 
 enum {
        ID_off = 1,
-       ID_full = 2,
-       ID_minus6dB = 3,
-       ID_edit = 4
+       ID_minus6dB = 2,
+       ID_0dB = 3,
+       ID_plus3dB = 4,
+       ID_edit = 5
 };
 
 AudioMappingView::AudioMappingView (wxWindow* parent, wxString left_label, wxString from, wxString top_label, wxString to)
@@ -71,8 +72,9 @@ AudioMappingView::AudioMappingView (wxWindow* parent, wxString left_label, wxStr
 {
        _menu = new wxMenu;
        _menu->Append (ID_off, _("Off"));
-       _menu->Append (ID_full, _("Full"));
        _menu->Append (ID_minus6dB, _("-6dB"));
+       _menu->Append (ID_0dB, _("0dB (unchanged)"));
+       _menu->Append (ID_plus3dB, _("+3dB"));
        _menu->Append (ID_edit, _("Edit..."));
 
        _body = new wxPanel (this, wxID_ANY);
@@ -84,9 +86,10 @@ AudioMappingView::AudioMappingView (wxWindow* parent, wxString left_label, wxStr
 #endif
 
        Bind (wxEVT_SIZE, boost::bind(&AudioMappingView::size, this, _1));
-       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::off, this), ID_off);
-       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::full, this), ID_full);
-       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::minus6dB, this), ID_minus6dB);
+       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::set_gain_from_menu, this, 0), ID_off);
+       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::set_gain_from_menu, this, db_to_linear(-6)), ID_minus6dB);
+       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::set_gain_from_menu, this, 1), ID_0dB);
+       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::set_gain_from_menu, this, db_to_linear(3)), ID_plus3dB);
        Bind (wxEVT_MENU, boost::bind(&AudioMappingView::edit, this), ID_edit);
        Bind (wxEVT_MOUSEWHEEL, boost::bind(&AudioMappingView::mouse_wheel, this, _1));
        _body->Bind (wxEVT_PAINT, boost::bind(&AudioMappingView::paint, this));
@@ -308,14 +311,15 @@ AudioMappingView::paint_indicators (wxDC& dc)
                                        )
                                );
 
-                       float const value_dB = 20 * log10 (_map.get(y, x));
+                       float const value_dB = linear_to_db(_map.get(y, x));
+                       wxColour const colour = value_dB <= 0 ? wxColour(0, 255, 0) : wxColour(255, 150, 0);
                        int const range = 18;
                        int height = 0;
                        if (value_dB > -range) {
-                               height = INDICATOR_SIZE * (1 + value_dB / range);
+                               height = min(INDICATOR_SIZE, static_cast<int>(INDICATOR_SIZE * (1 + value_dB / range)));
                        }
 
-                       dc.SetBrush (*wxTheBrushList->FindOrCreateBrush(wxColour (0, 255, 0), wxBRUSHSTYLE_SOLID));
+                       dc.SetBrush (*wxTheBrushList->FindOrCreateBrush(colour, wxBRUSHSTYLE_SOLID));
                        dc.DrawRectangle (
                                wxRect(
                                        LEFT_WIDTH + x * GRID_SPACING + (GRID_SPACING - INDICATOR_SIZE) / 2,
@@ -488,23 +492,9 @@ AudioMappingView::map_values_changed ()
 }
 
 void
-AudioMappingView::off ()
+AudioMappingView::set_gain_from_menu (double linear)
 {
-       _map.set (_menu_input, _menu_output, 0);
-       map_values_changed ();
-}
-
-void
-AudioMappingView::full ()
-{
-       _map.set (_menu_input, _menu_output, 1);
-       map_values_changed ();
-}
-
-void
-AudioMappingView::minus6dB ()
-{
-       _map.set (_menu_input, _menu_output, pow (10, -6.0 / 20));
+       _map.set (_menu_input, _menu_output, linear);
        map_values_changed ();
 }
 
@@ -599,7 +589,7 @@ AudioMappingView::motion (wxMouseEvent& ev)
                                        safe_output_channel_name(channels->second)
                                        );
                        } else {
-                               float const dB = 20 * log10 (gain);
+                               float const dB = linear_to_db(gain);
                                s = wxString::Format (
                                        _("Audio will be passed from %s channel %s to %s channel %s with gain %.1fdB."),
                                        _from,