src/wx/audio_panel.cc

   1 /*
   2     Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "audio_panel.h"
  22 #include "audio_mapping_view.h"
  23 #include "wx_util.h"
  24 #include "gain_calculator_dialog.h"
  25 #include "content_panel.h"
  26 #include "audio_dialog.h"
  27 #include "lib/config.h"
  28 #include "lib/ffmpeg_audio_stream.h"
  29 #include "lib/ffmpeg_content.h"
  30 #include "lib/cinema_sound_processor.h"
  31 #include "lib/job_manager.h"
  32 #include "lib/dcp_content.h"
  33 #include "lib/audio_content.h"
  34 #include <wx/spinctrl.h>
  35 #include <boost/foreach.hpp>
  36 #include <iostream>
  37
  38 using std::vector;
  39 using std::cout;
  40 using std::string;
  41 using std::list;
  42 using std::pair;
  43 using boost::dynamic_pointer_cast;
  44 using boost::shared_ptr;
  45 using boost::optional;
  46
  47 AudioPanel::AudioPanel (ContentPanel* p)
  48         : ContentSubPanel (p, _("Audio"))
  49         , _audio_dialog (0)
  50 {
  51         wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
  52         _sizer->Add (grid, 0, wxALL, 8);
  53
  54         int r = 0;
  55
  56         _reference = new wxCheckBox (this, wxID_ANY, _("Refer to existing DCP"));
  57         grid->Add (_reference, wxGBPosition (r, 0), wxGBSpan (1, 2));
  58         ++r;
  59
  60         _show = new wxButton (this, wxID_ANY, _("Show graph of audio levels..."));
  61         grid->Add (_show, wxGBPosition (r, 0), wxGBSpan (1, 2));
  62         _peak = new wxStaticText (this, wxID_ANY, wxT (""));
  63         grid->Add (_peak, wxGBPosition (r, 2), wxGBSpan (1, 2), wxALIGN_CENTER_VERTICAL);
  64         ++r;
  65
  66         add_label_to_sizer (grid, this, _("Gain"), true, wxGBPosition (r, 0));
  67         _gain = new ContentSpinCtrlDouble<AudioContent> (
  68                 this,
  69                 new wxSpinCtrlDouble (this),
  70                 AudioContentProperty::GAIN,
  71                 &Content::audio,
  72                 boost::mem_fn (&AudioContent::gain),
  73                 boost::mem_fn (&AudioContent::set_gain)
  74                 );
  75
  76         _gain->add (grid, wxGBPosition (r, 1));
  77         add_label_to_sizer (grid, this, _("dB"), false, wxGBPosition (r, 2));
  78         _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
  79         grid->Add (_gain_calculate_button, wxGBPosition (r, 3));
  80         ++r;
  81
  82         add_label_to_sizer (grid, this, _("Delay"), true, wxGBPosition (r, 0));
  83         _delay = new ContentSpinCtrl<AudioContent> (
  84                 this,
  85                 new wxSpinCtrl (this),
  86                 AudioContentProperty::DELAY,
  87                 &Content::audio,
  88                 boost::mem_fn (&AudioContent::delay),
  89                 boost::mem_fn (&AudioContent::set_delay)
  90                 );
  91
  92         _delay->add (grid, wxGBPosition (r, 1));
  93         /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
  94         add_label_to_sizer (grid, this, _("ms"), false, wxGBPosition (r, 2));
  95         ++r;
  96
  97         _mapping = new AudioMappingView (this);
  98         _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
  99         ++r;
 100
 101         _description = new wxStaticText (this, wxID_ANY, wxT (" \n"), wxDefaultPosition, wxDefaultSize);
 102         _sizer->Add (_description, 0, wxALL, 12);
 103         wxFont font = _description->GetFont();
 104         font.SetStyle (wxFONTSTYLE_ITALIC);
 105         font.SetPointSize (font.GetPointSize() - 1);
 106         _description->SetFont (font);
 107         ++r;
 108
 109         _gain->wrapped()->SetRange (-60, 60);
 110         _gain->wrapped()->SetDigits (1);
 111         _gain->wrapped()->SetIncrement (0.5);
 112         _delay->wrapped()->SetRange (-1000, 1000);
 113
 114         _reference->Bind             (wxEVT_CHECKBOX, boost::bind (&AudioPanel::reference_clicked, this));
 115         _show->Bind                  (wxEVT_BUTTON,   boost::bind (&AudioPanel::show_clicked, this));
 116         _gain_calculate_button->Bind (wxEVT_BUTTON,   boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
 117
 118         _mapping_connection = _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
 119
 120         JobManager::instance()->ActiveJobsChanged.connect (boost::bind (&AudioPanel::active_jobs_changed, this, _1));
 121 }
 122
 123 AudioPanel::~AudioPanel ()
 124 {
 125         if (_audio_dialog) {
 126                 _audio_dialog->Destroy ();
 127                 _audio_dialog = 0;
 128         }
 129 }
 130
 131 void
 132 AudioPanel::film_changed (Film::Property property)
 133 {
 134         switch (property) {
 135         case Film::AUDIO_CHANNELS:
 136         case Film::AUDIO_PROCESSOR:
 137                 _mapping->set_output_channels (_parent->film()->audio_output_names ());
 138                 setup_peak ();
 139                 break;
 140         case Film::VIDEO_FRAME_RATE:
 141                 setup_description ();
 142                 break;
 143         case Film::REEL_TYPE:
 144         case Film::INTEROP:
 145                 setup_sensitivity ();
 146                 break;
 147         default:
 148                 break;
 149         }
 150 }
 151
 152 void
 153 AudioPanel::film_content_changed (int property)
 154 {
 155         ContentList ac = _parent->selected_audio ();
 156         if (property == AudioContentProperty::STREAMS) {
 157                 if (ac.size() == 1) {
 158                         _mapping->set (ac.front()->audio->mapping());
 159                         _mapping->set_input_channels (ac.front()->audio->channel_names ());
 160
 161                         vector<AudioMappingView::Group> groups;
 162                         int c = 0;
 163                         BOOST_FOREACH (shared_ptr<const AudioStream> i, ac.front()->audio->streams()) {
 164                                 shared_ptr<const FFmpegAudioStream> f = dynamic_pointer_cast<const FFmpegAudioStream> (i);
 165                                 string name = "";
 166                                 if (f) {
 167                                         name = f->name;
 168                                         if (f->codec_name) {
 169                                                 name += " (" + f->codec_name.get() + ")";
 170                                         }
 171                                 }
 172                                 groups.push_back (AudioMappingView::Group (c, c + i->channels() - 1, name));
 173                                 c += i->channels ();
 174                         }
 175                         _mapping->set_input_groups (groups);
 176
 177                 } else {
 178                         _mapping->set (AudioMapping ());
 179                 }
 180                 setup_description ();
 181                 setup_peak ();
 182                 _sizer->Layout ();
 183         } else if (property == AudioContentProperty::GAIN) {
 184                 setup_peak ();
 185         } else if (property == DCPContentProperty::REFERENCE_AUDIO) {
 186                 if (ac.size() == 1) {
 187                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (ac.front ());
 188                         checked_set (_reference, dcp ? dcp->reference_audio () : false);
 189                 } else {
 190                         checked_set (_reference, false);
 191                 }
 192
 193                 setup_sensitivity ();
 194         } else if (property == ContentProperty::VIDEO_FRAME_RATE) {
 195                 setup_description ();
 196         }
 197 }
 198
 199 void
 200 AudioPanel::gain_calculate_button_clicked ()
 201 {
 202         GainCalculatorDialog* d = new GainCalculatorDialog (this);
 203         int const r = d->ShowModal ();
 204
 205         if (r == wxID_CANCEL || d->wanted_fader() == 0 || d->actual_fader() == 0) {
 206                 d->Destroy ();
 207                 return;
 208         }
 209
 210         _gain->wrapped()->SetValue (
 211                 Config::instance()->cinema_sound_processor()->db_for_fader_change (
 212                         d->wanted_fader (),
 213                         d->actual_fader ()
 214                         )
 215                 );
 216
 217         /* This appears to be necessary, as the change is not signalled,
 218            I think.
 219         */
 220         _gain->view_changed ();
 221
 222         d->Destroy ();
 223 }
 224
 225 void
 226 AudioPanel::setup_description ()
 227 {
 228         ContentList ac = _parent->selected_audio ();
 229         if (ac.size () != 1) {
 230                 checked_set (_description, wxT (""));
 231                 return;
 232         }
 233
 234         checked_set (_description, ac.front()->audio->processing_description ());
 235 }
 236
 237 void
 238 AudioPanel::mapping_changed (AudioMapping m)
 239 {
 240         ContentList c = _parent->selected_audio ();
 241         if (c.size() == 1) {
 242                 c.front()->audio->set_mapping (m);
 243         }
 244 }
 245
 246 void
 247 AudioPanel::content_selection_changed ()
 248 {
 249         ContentList sel = _parent->selected_audio ();
 250
 251         _gain->set_content (sel);
 252         _delay->set_content (sel);
 253
 254         film_content_changed (AudioContentProperty::STREAMS);
 255         film_content_changed (DCPContentProperty::REFERENCE_AUDIO);
 256
 257         setup_sensitivity ();
 258 }
 259
 260 void
 261 AudioPanel::setup_sensitivity ()
 262 {
 263         ContentList sel = _parent->selected_audio ();
 264
 265         shared_ptr<DCPContent> dcp;
 266         if (sel.size() == 1) {
 267                 dcp = dynamic_pointer_cast<DCPContent> (sel.front ());
 268         }
 269
 270         list<string> why_not;
 271         bool const can_reference = dcp && dcp->can_reference_audio (why_not);
 272         setup_refer_button (_reference, dcp, can_reference, why_not);
 273
 274         if (_reference->GetValue ()) {
 275                 _gain->wrapped()->Enable (false);
 276                 _gain_calculate_button->Enable (false);
 277                 _show->Enable (true);
 278                 _peak->Enable (false);
 279                 _delay->wrapped()->Enable (false);
 280                 _mapping->Enable (false);
 281                 _description->Enable (false);
 282         } else {
 283                 _gain->wrapped()->Enable (sel.size() == 1);
 284                 _gain_calculate_button->Enable (sel.size() == 1);
 285                 _show->Enable (sel.size() == 1);
 286                 _peak->Enable (sel.size() == 1);
 287                 _delay->wrapped()->Enable (sel.size() == 1);
 288                 _mapping->Enable (sel.size() == 1);
 289                 _description->Enable (sel.size() == 1);
 290         }
 291 }
 292
 293 void
 294 AudioPanel::show_clicked ()
 295 {
 296         if (_audio_dialog) {
 297                 _audio_dialog->Destroy ();
 298                 _audio_dialog = 0;
 299         }
 300
 301         ContentList ac = _parent->selected_audio ();
 302         if (ac.size() != 1) {
 303                 return;
 304         }
 305
 306         _audio_dialog = new AudioDialog (this, _parent->film (), ac.front ());
 307         _audio_dialog->Show ();
 308 }
 309
 310 void
 311 AudioPanel::setup_peak ()
 312 {
 313         ContentList sel = _parent->selected_audio ();
 314         bool alert = false;
 315
 316         if (sel.size() != 1) {
 317                 _peak->SetLabel (wxT (""));
 318         } else {
 319                 shared_ptr<Playlist> playlist (new Playlist);
 320                 playlist->add (sel.front ());
 321                 try {
 322                         shared_ptr<AudioAnalysis> analysis (new AudioAnalysis (_parent->film()->audio_analysis_path (playlist)));
 323                         float const peak_dB = 20 * log10 (analysis->overall_sample_peak().first.peak) + analysis->gain_correction (playlist);
 324                         if (peak_dB > -3) {
 325                                 alert = true;
 326                         }
 327                         _peak->SetLabel (wxString::Format (_("Peak: %.2fdB"), peak_dB));
 328                 } catch (...) {
 329                         _peak->SetLabel (_("Peak: unknown"));
 330                 }
 331         }
 332
 333         static wxColour normal = _peak->GetForegroundColour ();
 334
 335         if (alert) {
 336                 _peak->SetForegroundColour (wxColour (255, 0, 0));
 337         } else {
 338                 _peak->SetForegroundColour (normal);
 339         }
 340 }
 341
 342 void
 343 AudioPanel::active_jobs_changed (optional<string> j)
 344 {
 345         if (j && *j == "analyse_audio") {
 346                 setup_peak ();
 347         }
 348 }
 349
 350 void
 351 AudioPanel::reference_clicked ()
 352 {
 353         ContentList c = _parent->selected ();
 354         if (c.size() != 1) {
 355                 return;
 356         }
 357
 358         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (c.front ());
 359         if (!d) {
 360                 return;
 361         }
 362
 363         d->set_reference_audio (_reference->GetValue ());
 364 }
 365
 366 void
 367 AudioPanel::set_film (shared_ptr<Film>)
 368 {
 369         /* We are changing film, so destroy any audio dialog for the old one */
 370         if (_audio_dialog) {
 371                 _audio_dialog->Destroy ();
 372                 _audio_dialog = 0;
 373         }
 374 }