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 "lib/dcp_content.h"
  31 #include <wx/spinctrl.h>
  32 #include <boost/lexical_cast.hpp>
  33 #include <boost/foreach.hpp>
  34 #include <iostream>
  35
  36 using std::vector;
  37 using std::cout;
  38 using std::string;
  39 using std::list;
  40 using std::pair;
  41 using boost::dynamic_pointer_cast;
  42 using boost::lexical_cast;
  43 using boost::shared_ptr;
  44 using boost::optional;
  45
  46 AudioPanel::AudioPanel (ContentPanel* p)
  47         : ContentSubPanel (p, _("Audio"))
  48         , _audio_dialog (0)
  49 {
  50         wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
  51         _sizer->Add (grid, 0, wxALL, 8);
  52
  53         int r = 0;
  54
  55         _reference = new wxCheckBox (this, wxID_ANY, _("Refer to existing DCP"));
  56         grid->Add (_reference, wxGBPosition (r, 0), wxGBSpan (1, 2));
  57         ++r;
  58
  59         {
  60                 wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
  61                 _show = new wxButton (this, wxID_ANY, _("Show graph of audio levels..."));
  62                 s->Add (_show);
  63                 _peak = new wxStaticText (this, wxID_ANY, wxT (""));
  64                 s->Add (_peak, 0, wxALIGN_CENTER_VERTICAL | wxLEFT | wxRIGHT, DCPOMATIC_SIZER_X_GAP);
  65                 grid->Add (s, wxGBPosition (r, 0), wxGBSpan (1, 2));
  66                 ++r;
  67         }
  68
  69         add_label_to_grid_bag_sizer (grid, this, _("Gain"), true, wxGBPosition (r, 0));
  70         _gain = new ContentSpinCtrlDouble<AudioContent> (
  71                 this,
  72                 new wxSpinCtrlDouble (this),
  73                 AudioContentProperty::AUDIO_GAIN,
  74                 boost::mem_fn (&AudioContent::audio_gain),
  75                 boost::mem_fn (&AudioContent::set_audio_gain)
  76                 );
  77
  78         _gain->add (grid, wxGBPosition (r, 1));
  79         add_label_to_grid_bag_sizer (grid, this, _("dB"), false, wxGBPosition (r, 2));
  80         _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
  81         grid->Add (_gain_calculate_button, wxGBPosition (r, 3));
  82         ++r;
  83
  84         add_label_to_grid_bag_sizer (grid, this, _("Delay"), true, wxGBPosition (r, 0));
  85         _delay = new ContentSpinCtrl<AudioContent> (
  86                 this,
  87                 new wxSpinCtrl (this),
  88                 AudioContentProperty::AUDIO_DELAY,
  89                 boost::mem_fn (&AudioContent::audio_delay),
  90                 boost::mem_fn (&AudioContent::set_audio_delay)
  91                 );
  92
  93         _delay->add (grid, wxGBPosition (r, 1));
  94         /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
  95         add_label_to_grid_bag_sizer (grid, this, _("ms"), false, wxGBPosition (r, 2));
  96         ++r;
  97
  98         _mapping = new AudioMappingView (this);
  99         _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
 100         ++r;
 101
 102         _description = new wxStaticText (this, wxID_ANY, wxT (" \n"), wxDefaultPosition, wxDefaultSize);
 103         _sizer->Add (_description, 0, wxALL, 12);
 104         wxFont font = _description->GetFont();
 105         font.SetStyle (wxFONTSTYLE_ITALIC);
 106         font.SetPointSize (font.GetPointSize() - 1);
 107         _description->SetFont (font);
 108         ++r;
 109
 110         _gain->wrapped()->SetRange (-60, 60);
 111         _gain->wrapped()->SetDigits (1);
 112         _gain->wrapped()->SetIncrement (0.5);
 113         _delay->wrapped()->SetRange (-1000, 1000);
 114
 115         _reference->Bind             (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AudioPanel::reference_clicked, this));
 116         _show->Bind                  (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::show_clicked, this));
 117         _gain_calculate_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
 118
 119         _mapping_connection = _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
 120
 121         JobManager::instance()->ActiveJobsChanged.connect (boost::bind (&AudioPanel::active_jobs_changed, this, _1));
 122 }
 123
 124 AudioPanel::~AudioPanel ()
 125 {
 126         if (_audio_dialog) {
 127                 _audio_dialog->Destroy ();
 128                 _audio_dialog = 0;
 129         }
 130 }
 131
 132 void
 133 AudioPanel::film_changed (Film::Property property)
 134 {
 135         switch (property) {
 136         case Film::AUDIO_CHANNELS:
 137         case Film::AUDIO_PROCESSOR:
 138                 _mapping->set_output_channels (_parent->film()->audio_output_names ());
 139                 setup_peak ();
 140                 break;
 141         case Film::VIDEO_FRAME_RATE:
 142                 setup_description ();
 143                 break;
 144         default:
 145                 break;
 146         }
 147 }
 148
 149 void
 150 AudioPanel::film_content_changed (int property)
 151 {
 152         AudioContentList ac = _parent->selected_audio ();
 153         if (property == AudioContentProperty::AUDIO_STREAMS) {
 154                 if (ac.size() == 1) {
 155                         _mapping->set (ac.front()->audio_mapping());
 156                         _mapping->set_input_channels (ac.front()->audio_channel_names ());
 157                 } else {
 158                         _mapping->set (AudioMapping ());
 159                 }
 160                 setup_description ();
 161                 setup_peak ();
 162                 _sizer->Layout ();
 163         } else if (property == AudioContentProperty::AUDIO_GAIN) {
 164                 setup_peak ();
 165         } else if (property == DCPContentProperty::REFERENCE_AUDIO) {
 166                 if (ac.size() == 1) {
 167                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (ac.front ());
 168                         checked_set (_reference, dcp ? dcp->reference_audio () : false);
 169                 } else {
 170                         checked_set (_reference, false);
 171                 }
 172
 173                 setup_sensitivity ();
 174         }
 175 }
 176
 177 void
 178 AudioPanel::gain_calculate_button_clicked ()
 179 {
 180         GainCalculatorDialog* d = new GainCalculatorDialog (this);
 181         int const r = d->ShowModal ();
 182
 183         if (r == wxID_CANCEL || d->wanted_fader() == 0 || d->actual_fader() == 0) {
 184                 d->Destroy ();
 185                 return;
 186         }
 187
 188         _gain->wrapped()->SetValue (
 189                 Config::instance()->cinema_sound_processor()->db_for_fader_change (
 190                         d->wanted_fader (),
 191                         d->actual_fader ()
 192                         )
 193                 );
 194
 195         /* This appears to be necessary, as the change is not signalled,
 196            I think.
 197         */
 198         _gain->view_changed ();
 199
 200         d->Destroy ();
 201 }
 202
 203 void
 204 AudioPanel::setup_description ()
 205 {
 206         AudioContentList ac = _parent->selected_audio ();
 207         if (ac.size () != 1) {
 208                 checked_set (_description, wxT (""));
 209                 return;
 210         }
 211
 212         checked_set (_description, ac.front()->processing_description ());
 213 }
 214
 215 void
 216 AudioPanel::mapping_changed (AudioMapping m)
 217 {
 218         AudioContentList c = _parent->selected_audio ();
 219         if (c.size() == 1) {
 220                 c.front()->set_audio_mapping (m);
 221         }
 222 }
 223
 224 void
 225 AudioPanel::content_selection_changed ()
 226 {
 227         AudioContentList sel = _parent->selected_audio ();
 228
 229         _gain->set_content (sel);
 230         _delay->set_content (sel);
 231
 232         film_content_changed (AudioContentProperty::AUDIO_STREAMS);
 233
 234         setup_sensitivity ();
 235 }
 236
 237 void
 238 AudioPanel::setup_sensitivity ()
 239 {
 240         AudioContentList sel = _parent->selected_audio ();
 241         _reference->Enable (sel.size() == 1 && dynamic_pointer_cast<DCPContent> (sel.front ()));
 242
 243         if (_reference->GetValue ()) {
 244                 _gain->wrapped()->Enable (false);
 245                 _gain_calculate_button->Enable (false);
 246                 _peak->Enable (false);
 247                 _delay->wrapped()->Enable (false);
 248                 _mapping->Enable (false);
 249                 _description->Enable (false);
 250         } else {
 251                 _gain->wrapped()->Enable (true);
 252                 _gain_calculate_button->Enable (sel.size() == 1);
 253                 _peak->Enable (true);
 254                 _delay->wrapped()->Enable (true);
 255                 _mapping->Enable (sel.size() == 1);
 256                 _description->Enable (true);
 257         }
 258 }
 259
 260 void
 261 AudioPanel::show_clicked ()
 262 {
 263         if (_audio_dialog) {
 264                 _audio_dialog->Destroy ();
 265                 _audio_dialog = 0;
 266         }
 267
 268         AudioContentList ac = _parent->selected_audio ();
 269         if (ac.size() != 1) {
 270                 return;
 271         }
 272
 273         _audio_dialog = new AudioDialog (this, _parent->film (), ac.front ());
 274         _audio_dialog->Show ();
 275 }
 276
 277 void
 278 AudioPanel::setup_peak ()
 279 {
 280         AudioContentList sel = _parent->selected_audio ();
 281         bool alert = false;
 282
 283         if (sel.size() != 1) {
 284                 _peak->SetLabel (wxT (""));
 285         } else {
 286                 shared_ptr<Playlist> playlist (new Playlist);
 287                 playlist->add (sel.front ());
 288                 try {
 289                         shared_ptr<AudioAnalysis> analysis (new AudioAnalysis (_parent->film()->audio_analysis_path (playlist)));
 290                         if (analysis->peak ()) {
 291                                 float const peak_dB = 20 * log10 (analysis->peak().get()) + analysis->gain_correction (playlist);
 292                                 if (peak_dB > -3) {
 293                                         alert = true;
 294                                 }
 295                                 _peak->SetLabel (wxString::Format (_("Peak: %.2fdB"), peak_dB));
 296                         } else {
 297                                 _peak->SetLabel (_("Peak: unknown"));
 298                         }
 299                 } catch (...) {
 300                         _peak->SetLabel (_("Peak: unknown"));
 301                 }
 302         }
 303
 304         static wxColour normal = _peak->GetForegroundColour ();
 305
 306         if (alert) {
 307                 _peak->SetForegroundColour (wxColour (255, 0, 0));
 308         } else {
 309                 _peak->SetForegroundColour (normal);
 310         }
 311 }
 312
 313 void
 314 AudioPanel::active_jobs_changed (optional<string> j)
 315 {
 316         if (j && *j == "analyse_audio") {
 317                 setup_peak ();
 318         }
 319 }
 320
 321 void
 322 AudioPanel::reference_clicked ()
 323 {
 324         ContentList c = _parent->selected ();
 325         if (c.size() != 1) {
 326                 return;
 327         }
 328
 329         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (c.front ());
 330         if (!d) {
 331                 return;
 332         }
 333
 334         d->set_reference_audio (_reference->GetValue ());
 335 }