src/wx/audio_panel.cc

   1 /*
   2     Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
   3
   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.
   8
   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.
  13
  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.
  17
  18 */
  19
  20 #include "lib/config.h"
  21 #include "lib/ffmpeg_content.h"
  22 #include "lib/cinema_sound_processor.h"
  23 #include "audio_panel.h"
  24 #include "audio_mapping_view.h"
  25 #include "wx_util.h"
  26 #include "gain_calculator_dialog.h"
  27 #include "content_panel.h"
  28 #include <wx/spinctrl.h>
  29 #include <boost/lexical_cast.hpp>
  30 #include <boost/foreach.hpp>
  31
  32 using std::vector;
  33 using std::cout;
  34 using std::string;
  35 using std::list;
  36 using std::pair;
  37 using boost::dynamic_pointer_cast;
  38 using boost::lexical_cast;
  39 using boost::shared_ptr;
  40
  41 AudioPanel::AudioPanel (ContentPanel* p)
  42         : ContentSubPanel (p, _("Audio"))
  43 {
  44         wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
  45         _sizer->Add (grid, 0, wxALL, 8);
  46
  47         int r = 0;
  48
  49         add_label_to_grid_bag_sizer (grid, this, _("Gain"), true, wxGBPosition (r, 0));
  50         _gain = new ContentSpinCtrlDouble<AudioContent> (
  51                 this,
  52                 new wxSpinCtrlDouble (this),
  53                 AudioContentProperty::AUDIO_GAIN,
  54                 boost::mem_fn (&AudioContent::audio_gain),
  55                 boost::mem_fn (&AudioContent::set_audio_gain)
  56                 );
  57
  58         _gain->add (grid, wxGBPosition (r, 1));
  59         add_label_to_grid_bag_sizer (grid, this, _("dB"), false, wxGBPosition (r, 2));
  60         _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
  61         grid->Add (_gain_calculate_button, wxGBPosition (r, 3));
  62         ++r;
  63
  64         add_label_to_grid_bag_sizer (grid, this, _("Delay"), true, wxGBPosition (r, 0));
  65         _delay = new ContentSpinCtrl<AudioContent> (
  66                 this,
  67                 new wxSpinCtrl (this),
  68                 AudioContentProperty::AUDIO_DELAY,
  69                 boost::mem_fn (&AudioContent::audio_delay),
  70                 boost::mem_fn (&AudioContent::set_audio_delay)
  71                 );
  72
  73         _delay->add (grid, wxGBPosition (r, 1));
  74         /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
  75         add_label_to_grid_bag_sizer (grid, this, _("ms"), false, wxGBPosition (r, 2));
  76         ++r;
  77
  78         _mapping = new AudioMappingView (this);
  79         _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
  80         ++r;
  81
  82         _description = new wxStaticText (this, wxID_ANY, wxT (" \n"), wxDefaultPosition, wxDefaultSize);
  83         _sizer->Add (_description, 0, wxALL, 12);
  84         wxFont font = _description->GetFont();
  85         font.SetStyle (wxFONTSTYLE_ITALIC);
  86         font.SetPointSize (font.GetPointSize() - 1);
  87         _description->SetFont (font);
  88         ++r;
  89
  90         _gain->wrapped()->SetRange (-60, 60);
  91         _gain->wrapped()->SetDigits (1);
  92         _gain->wrapped()->SetIncrement (0.5);
  93         _delay->wrapped()->SetRange (-1000, 1000);
  94
  95         _gain_calculate_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED,  boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
  96
  97         _mapping_connection = _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
  98 }
  99
 100
 101 void
 102 AudioPanel::film_changed (Film::Property property)
 103 {
 104         switch (property) {
 105         case Film::AUDIO_CHANNELS:
 106         case Film::AUDIO_PROCESSOR:
 107                 _mapping->set_output_channels (_parent->film()->audio_output_names ());
 108                 break;
 109         case Film::VIDEO_FRAME_RATE:
 110                 setup_description ();
 111                 break;
 112         default:
 113                 break;
 114         }
 115 }
 116
 117 void
 118 AudioPanel::film_content_changed (int property)
 119 {
 120         if (property == AudioContentProperty::AUDIO_STREAMS) {
 121                 AudioContentList ac = _parent->selected_audio ();
 122                 if (ac.size() == 1) {
 123                         _mapping->set (ac.front()->audio_mapping());
 124                         _mapping->set_input_channels (ac.front()->audio_channel_names ());
 125                 } else {
 126                         _mapping->set (AudioMapping ());
 127                 }
 128                 setup_description ();
 129                 _sizer->Layout ();
 130         }
 131 }
 132
 133 void
 134 AudioPanel::gain_calculate_button_clicked ()
 135 {
 136         GainCalculatorDialog* d = new GainCalculatorDialog (this);
 137         int const r = d->ShowModal ();
 138
 139         if (r == wxID_CANCEL || d->wanted_fader() == 0 || d->actual_fader() == 0) {
 140                 d->Destroy ();
 141                 return;
 142         }
 143
 144         _gain->wrapped()->SetValue (
 145                 Config::instance()->cinema_sound_processor()->db_for_fader_change (
 146                         d->wanted_fader (),
 147                         d->actual_fader ()
 148                         )
 149                 );
 150
 151         /* This appears to be necessary, as the change is not signalled,
 152            I think.
 153         */
 154         _gain->view_changed ();
 155
 156         d->Destroy ();
 157 }
 158
 159 void
 160 AudioPanel::setup_description ()
 161 {
 162         AudioContentList ac = _parent->selected_audio ();
 163         if (ac.size () != 1) {
 164                 checked_set (_description, wxT (""));
 165                 return;
 166         }
 167
 168         checked_set (_description, ac.front()->processing_description ());
 169 }
 170
 171 void
 172 AudioPanel::mapping_changed (AudioMapping m)
 173 {
 174         AudioContentList c = _parent->selected_audio ();
 175         if (c.size() == 1) {
 176                 c.front()->set_audio_mapping (m);
 177         }
 178 }
 179
 180 void
 181 AudioPanel::content_selection_changed ()
 182 {
 183         AudioContentList sel = _parent->selected_audio ();
 184
 185         _gain->set_content (sel);
 186         _delay->set_content (sel);
 187
 188         _gain_calculate_button->Enable (sel.size() == 1);
 189         _mapping->Enable (sel.size() == 1);
 190
 191         film_content_changed (AudioContentProperty::AUDIO_STREAMS);
 192 }