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 "audio_dialog.h"
  29 #include <wx/spinctrl.h>
  30 #include <boost/lexical_cast.hpp>
  31 #include <boost/foreach.hpp>
  32
  33 using std::vector;
  34 using std::cout;
  35 using std::string;
  36 using std::list;
  37 using std::pair;
  38 using boost::dynamic_pointer_cast;
  39 using boost::lexical_cast;
  40 using boost::shared_ptr;
  41
  42 AudioPanel::AudioPanel (ContentPanel* p)
  43         : ContentSubPanel (p, _("Audio"))
  44         , _audio_dialog (0)
  45 {
  46         wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
  47         _sizer->Add (grid, 0, wxALL, 8);
  48
  49         int r = 0;
  50
  51         _show = new wxButton (this, wxID_ANY, _("Show Audio..."));
  52         grid->Add (_show, wxGBPosition (r, 0));
  53         ++r;
  54
  55         add_label_to_grid_bag_sizer (grid, this, _("Gain"), true, wxGBPosition (r, 0));
  56         _gain = new ContentSpinCtrlDouble<AudioContent> (
  57                 this,
  58                 new wxSpinCtrlDouble (this),
  59                 AudioContentProperty::AUDIO_GAIN,
  60                 boost::mem_fn (&AudioContent::audio_gain),
  61                 boost::mem_fn (&AudioContent::set_audio_gain)
  62                 );
  63
  64         _gain->add (grid, wxGBPosition (r, 1));
  65         add_label_to_grid_bag_sizer (grid, this, _("dB"), false, wxGBPosition (r, 2));
  66         _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
  67         grid->Add (_gain_calculate_button, wxGBPosition (r, 3));
  68         ++r;
  69
  70         add_label_to_grid_bag_sizer (grid, this, _("Delay"), true, wxGBPosition (r, 0));
  71         _delay = new ContentSpinCtrl<AudioContent> (
  72                 this,
  73                 new wxSpinCtrl (this),
  74                 AudioContentProperty::AUDIO_DELAY,
  75                 boost::mem_fn (&AudioContent::audio_delay),
  76                 boost::mem_fn (&AudioContent::set_audio_delay)
  77                 );
  78
  79         _delay->add (grid, wxGBPosition (r, 1));
  80         /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
  81         add_label_to_grid_bag_sizer (grid, this, _("ms"), false, wxGBPosition (r, 2));
  82         ++r;
  83
  84         _mapping = new AudioMappingView (this);
  85         _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
  86         ++r;
  87
  88         _description = new wxStaticText (this, wxID_ANY, wxT (" \n"), wxDefaultPosition, wxDefaultSize);
  89         _sizer->Add (_description, 0, wxALL, 12);
  90         wxFont font = _description->GetFont();
  91         font.SetStyle (wxFONTSTYLE_ITALIC);
  92         font.SetPointSize (font.GetPointSize() - 1);
  93         _description->SetFont (font);
  94         ++r;
  95
  96         _gain->wrapped()->SetRange (-60, 60);
  97         _gain->wrapped()->SetDigits (1);
  98         _gain->wrapped()->SetIncrement (0.5);
  99         _delay->wrapped()->SetRange (-1000, 1000);
 100
 101         _show->Bind                  (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&AudioPanel::show_clicked, this));
 102         _gain_calculate_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
 103
 104         _mapping_connection = _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
 105 }
 106
 107 AudioPanel::~AudioPanel ()
 108 {
 109         if (_audio_dialog) {
 110                 _audio_dialog->Destroy ();
 111                 _audio_dialog = 0;
 112         }
 113 }
 114
 115 void
 116 AudioPanel::film_changed (Film::Property property)
 117 {
 118         switch (property) {
 119         case Film::AUDIO_CHANNELS:
 120         case Film::AUDIO_PROCESSOR:
 121                 _mapping->set_output_channels (_parent->film()->audio_output_names ());
 122                 break;
 123         case Film::VIDEO_FRAME_RATE:
 124                 setup_description ();
 125                 break;
 126         default:
 127                 break;
 128         }
 129 }
 130
 131 void
 132 AudioPanel::film_content_changed (int property)
 133 {
 134         if (property == AudioContentProperty::AUDIO_STREAMS) {
 135                 AudioContentList ac = _parent->selected_audio ();
 136                 if (ac.size() == 1) {
 137                         _mapping->set (ac.front()->audio_mapping());
 138                         _mapping->set_input_channels (ac.front()->audio_channel_names ());
 139                 } else {
 140                         _mapping->set (AudioMapping ());
 141                 }
 142                 setup_description ();
 143                 _sizer->Layout ();
 144         }
 145 }
 146
 147 void
 148 AudioPanel::gain_calculate_button_clicked ()
 149 {
 150         GainCalculatorDialog* d = new GainCalculatorDialog (this);
 151         int const r = d->ShowModal ();
 152
 153         if (r == wxID_CANCEL || d->wanted_fader() == 0 || d->actual_fader() == 0) {
 154                 d->Destroy ();
 155                 return;
 156         }
 157
 158         _gain->wrapped()->SetValue (
 159                 Config::instance()->cinema_sound_processor()->db_for_fader_change (
 160                         d->wanted_fader (),
 161                         d->actual_fader ()
 162                         )
 163                 );
 164
 165         /* This appears to be necessary, as the change is not signalled,
 166            I think.
 167         */
 168         _gain->view_changed ();
 169
 170         d->Destroy ();
 171 }
 172
 173 void
 174 AudioPanel::setup_description ()
 175 {
 176         AudioContentList ac = _parent->selected_audio ();
 177         if (ac.size () != 1) {
 178                 checked_set (_description, wxT (""));
 179                 return;
 180         }
 181
 182         checked_set (_description, ac.front()->processing_description ());
 183 }
 184
 185 void
 186 AudioPanel::mapping_changed (AudioMapping m)
 187 {
 188         AudioContentList c = _parent->selected_audio ();
 189         if (c.size() == 1) {
 190                 c.front()->set_audio_mapping (m);
 191         }
 192 }
 193
 194 void
 195 AudioPanel::content_selection_changed ()
 196 {
 197         AudioContentList sel = _parent->selected_audio ();
 198
 199         _gain->set_content (sel);
 200         _delay->set_content (sel);
 201
 202         _gain_calculate_button->Enable (sel.size() == 1);
 203         _mapping->Enable (sel.size() == 1);
 204
 205         film_content_changed (AudioContentProperty::AUDIO_STREAMS);
 206 }
 207
 208 void
 209 AudioPanel::show_clicked ()
 210 {
 211         if (_audio_dialog) {
 212                 _audio_dialog->Destroy ();
 213                 _audio_dialog = 0;
 214         }
 215
 216         AudioContentList ac = _parent->selected_audio ();
 217         if (ac.size() != 1) {
 218                 return;
 219         }
 220
 221         _audio_dialog = new AudioDialog (this, _parent->film (), ac.front ());
 222         _audio_dialog->Show ();
 223 }