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 "audio_panel.h"
  21 #include "audio_mapping_view.h"
  22 #include "wx_util.h"
  23 #include "gain_calculator_dialog.h"
  24 #include "content_panel.h"
  25 #include "audio_dialog.h"
  26 #include "lib/config.h"
  27 #include "lib/ffmpeg_content.h"
  28 #include "lib/cinema_sound_processor.h"
  29 #include "lib/job_manager.h"
  30 #include <wx/spinctrl.h>
  31 #include <boost/lexical_cast.hpp>
  32 #include <boost/foreach.hpp>
  33
  34 using std::vector;
  35 using std::cout;
  36 using std::string;
  37 using std::list;
  38 using std::pair;
  39 using boost::dynamic_pointer_cast;
  40 using boost::lexical_cast;
  41 using boost::shared_ptr;
  42 using boost::optional;
  43
  44 AudioPanel::AudioPanel (ContentPanel* p)
  45         : ContentSubPanel (p, _("Audio"))
  46         , _audio_dialog (0)
  47 {
  48         wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
  49         _sizer->Add (grid, 0, wxALL, 8);
  50
  51         int r = 0;
  52
  53         {
  54                 wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
  55                 _show = new wxButton (this, wxID_ANY, _("Show graph of audio levels..."));
  56                 s->Add (_show);
  57                 _peak = new wxStaticText (this, wxID_ANY, wxT (""));
  58                 s->Add (_peak, 0, wxALIGN_CENTER_VERTICAL | wxLEFT | wxRIGHT, DCPOMATIC_SIZER_X_GAP);
  59                 grid->Add (s, wxGBPosition (r, 0), wxGBSpan (1, 2));
  60                 ++r;
  61         }
  62
  63         add_label_to_grid_bag_sizer (grid, this, _("Gain"), true, wxGBPosition (r, 0));
  64         _gain = new ContentSpinCtrlDouble<AudioContent> (
  65                 this,
  66                 new wxSpinCtrlDouble (this),
  67                 AudioContentProperty::AUDIO_GAIN,
  68                 boost::mem_fn (&AudioContent::audio_gain),
  69                 boost::mem_fn (&AudioContent::set_audio_gain)
  70                 );
  71
  72         _gain->add (grid, wxGBPosition (r, 1));
  73         add_label_to_grid_bag_sizer (grid, this, _("dB"), false, wxGBPosition (r, 2));
  74         _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
  75         grid->Add (_gain_calculate_button, wxGBPosition (r, 3));
  76         ++r;
  77
  78         add_label_to_grid_bag_sizer (grid, this, _("Delay"), true, wxGBPosition (r, 0));
  79         _delay = new ContentSpinCtrl<AudioContent> (
  80                 this,
  81                 new wxSpinCtrl (this),
  82                 AudioContentProperty::AUDIO_DELAY,
  83                 boost::mem_fn (&AudioContent::audio_delay),
  84                 boost::mem_fn (&AudioContent::set_audio_delay)
  85                 );
  86
  87         _delay->add (grid, wxGBPosition (r, 1));
  88         /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
  89         add_label_to_grid_bag_sizer (grid, this, _("ms"), false, wxGBPosition (r, 2));
  90         ++r;
  91
  92         _mapping = new AudioMappingView (this);
  93         _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
  94         ++r;
  95
  96         _description = new wxStaticText (this, wxID_ANY, wxT (" \n"), wxDefaultPosition, wxDefaultSize);
  97         _sizer->Add (_description, 0, wxALL, 12);
  98         wxFont font = _description->GetFont();
  99         font.SetStyle (wxFONTSTYLE_ITALIC);
 100         font.SetPointSize (font.GetPointSize() - 1);
 101         _description->SetFont (font);
 102         ++r;
 103
 104         _gain->wrapped()->SetRange (-60, 60);
 105         _gain->wrapped()->SetDigits (1);
 106         _gain->wrapped()->SetIncrement (0.5);
 107         _delay->wrapped()->SetRange (-1000, 1000);
 108
 109         _show->Bind                  (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&AudioPanel::show_clicked, this));
 110         _gain_calculate_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
 111
 112         _mapping_connection = _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
 113
 114         JobManager::instance()->ActiveJobsChanged.connect (boost::bind (&AudioPanel::active_jobs_changed, this, _1));
 115 }
 116
 117 AudioPanel::~AudioPanel ()
 118 {
 119         if (_audio_dialog) {
 120                 _audio_dialog->Destroy ();
 121                 _audio_dialog = 0;
 122         }
 123 }
 124
 125 void
 126 AudioPanel::film_changed (Film::Property property)
 127 {
 128         switch (property) {
 129         case Film::AUDIO_CHANNELS:
 130         case Film::AUDIO_PROCESSOR:
 131                 _mapping->set_output_channels (_parent->film()->audio_output_names ());
 132                 setup_peak ();
 133                 break;
 134         case Film::VIDEO_FRAME_RATE:
 135                 setup_description ();
 136                 break;
 137         default:
 138                 break;
 139         }
 140 }
 141
 142 void
 143 AudioPanel::film_content_changed (int property)
 144 {
 145         if (property == AudioContentProperty::AUDIO_STREAMS) {
 146                 AudioContentList ac = _parent->selected_audio ();
 147                 if (ac.size() == 1) {
 148                         _mapping->set (ac.front()->audio_mapping());
 149                         _mapping->set_input_channels (ac.front()->audio_channel_names ());
 150                 } else {
 151                         _mapping->set (AudioMapping ());
 152                 }
 153                 setup_description ();
 154                 setup_peak ();
 155                 _sizer->Layout ();
 156         } else if (property == AudioContentProperty::AUDIO_GAIN) {
 157                 setup_peak ();
 158         }
 159 }
 160
 161 void
 162 AudioPanel::gain_calculate_button_clicked ()
 163 {
 164         GainCalculatorDialog* d = new GainCalculatorDialog (this);
 165         int const r = d->ShowModal ();
 166
 167         if (r == wxID_CANCEL || d->wanted_fader() == 0 || d->actual_fader() == 0) {
 168                 d->Destroy ();
 169                 return;
 170         }
 171
 172         _gain->wrapped()->SetValue (
 173                 Config::instance()->cinema_sound_processor()->db_for_fader_change (
 174                         d->wanted_fader (),
 175                         d->actual_fader ()
 176                         )
 177                 );
 178
 179         /* This appears to be necessary, as the change is not signalled,
 180            I think.
 181         */
 182         _gain->view_changed ();
 183
 184         d->Destroy ();
 185 }
 186
 187 void
 188 AudioPanel::setup_description ()
 189 {
 190         AudioContentList ac = _parent->selected_audio ();
 191         if (ac.size () != 1) {
 192                 checked_set (_description, wxT (""));
 193                 return;
 194         }
 195
 196         checked_set (_description, ac.front()->processing_description ());
 197 }
 198
 199 void
 200 AudioPanel::mapping_changed (AudioMapping m)
 201 {
 202         AudioContentList c = _parent->selected_audio ();
 203         if (c.size() == 1) {
 204                 c.front()->set_audio_mapping (m);
 205         }
 206 }
 207
 208 void
 209 AudioPanel::content_selection_changed ()
 210 {
 211         AudioContentList sel = _parent->selected_audio ();
 212
 213         _gain->set_content (sel);
 214         _delay->set_content (sel);
 215
 216         _gain_calculate_button->Enable (sel.size() == 1);
 217         _mapping->Enable (sel.size() == 1);
 218
 219         film_content_changed (AudioContentProperty::AUDIO_STREAMS);
 220 }
 221
 222 void
 223 AudioPanel::show_clicked ()
 224 {
 225         if (_audio_dialog) {
 226                 _audio_dialog->Destroy ();
 227                 _audio_dialog = 0;
 228         }
 229
 230         AudioContentList ac = _parent->selected_audio ();
 231         if (ac.size() != 1) {
 232                 return;
 233         }
 234
 235         _audio_dialog = new AudioDialog (this, _parent->film (), ac.front ());
 236         _audio_dialog->Show ();
 237 }
 238
 239 void
 240 AudioPanel::setup_peak ()
 241 {
 242         AudioContentList sel = _parent->selected_audio ();
 243         bool alert = false;
 244
 245         if (sel.size() != 1) {
 246                 _peak->SetLabel (wxT (""));
 247         } else {
 248                 shared_ptr<Playlist> playlist (new Playlist);
 249                 playlist->add (sel.front ());
 250                 try {
 251                         shared_ptr<AudioAnalysis> analysis (new AudioAnalysis (_parent->film()->audio_analysis_path (playlist)));
 252                         if (analysis->peak ()) {
 253                                 float const peak_dB = 20 * log10 (analysis->peak().get()) + analysis->gain_correction (playlist);
 254                                 if (peak_dB > -3) {
 255                                         alert = true;
 256                                 }
 257                                 _peak->SetLabel (wxString::Format (_("Peak: %.2fdB"), peak_dB));
 258                         } else {
 259                                 _peak->SetLabel (_("Peak: unknown"));
 260                         }
 261                 } catch (...) {
 262                         _peak->SetLabel (_("Peak: unknown"));
 263                 }
 264         }
 265
 266         static wxColour normal = _peak->GetForegroundColour ();
 267
 268         if (alert) {
 269                 _peak->SetForegroundColour (wxColour (255, 0, 0));
 270         } else {
 271                 _peak->SetForegroundColour (normal);
 272         }
 273 }
 274
 275 void
 276 AudioPanel::active_jobs_changed (optional<string> j)
 277 {
 278         if (j && *j == "analyse_audio") {
 279                 setup_peak ();
 280         }
 281 }