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/foreach.hpp>
  33 #include <iostream>
  34
  35 using std::vector;
  36 using std::cout;
  37 using std::string;
  38 using std::list;
  39 using std::pair;
  40 using boost::dynamic_pointer_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         _reference = new wxCheckBox (this, wxID_ANY, _("Refer to existing DCP"));
  54         grid->Add (_reference, wxGBPosition (r, 0), wxGBSpan (1, 2));
  55         ++r;
  56
  57         _show = new wxButton (this, wxID_ANY, _("Show graph of audio levels..."));
  58         grid->Add (_show, wxGBPosition (r, 0), wxGBSpan (1, 2));
  59         _peak = new wxStaticText (this, wxID_ANY, wxT (""));
  60         grid->Add (_peak, wxGBPosition (r, 2), wxGBSpan (1, 2), wxALIGN_CENTER_VERTICAL);
  61         ++r;
  62
  63         add_label_to_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_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_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_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         _reference->Bind             (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AudioPanel::reference_clicked, this));
 110         _show->Bind                  (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::show_clicked, this));
 111         _gain_calculate_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
 112
 113         _mapping_connection = _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
 114
 115         JobManager::instance()->ActiveJobsChanged.connect (boost::bind (&AudioPanel::active_jobs_changed, this, _1));
 116 }
 117
 118 AudioPanel::~AudioPanel ()
 119 {
 120         if (_audio_dialog) {
 121                 _audio_dialog->Destroy ();
 122                 _audio_dialog = 0;
 123         }
 124 }
 125
 126 void
 127 AudioPanel::film_changed (Film::Property property)
 128 {
 129         switch (property) {
 130         case Film::AUDIO_CHANNELS:
 131         case Film::AUDIO_PROCESSOR:
 132                 _mapping->set_output_channels (_parent->film()->audio_output_names ());
 133                 setup_peak ();
 134                 break;
 135         case Film::VIDEO_FRAME_RATE:
 136                 setup_description ();
 137                 break;
 138         case Film::REEL_TYPE:
 139                 setup_sensitivity ();
 140         default:
 141                 break;
 142         }
 143 }
 144
 145 void
 146 AudioPanel::film_content_changed (int property)
 147 {
 148         AudioContentList ac = _parent->selected_audio ();
 149         if (property == AudioContentProperty::AUDIO_STREAMS) {
 150                 if (ac.size() == 1) {
 151                         _mapping->set (ac.front()->audio_mapping());
 152                         _mapping->set_input_channels (ac.front()->audio_channel_names ());
 153                 } else {
 154                         _mapping->set (AudioMapping ());
 155                 }
 156                 setup_description ();
 157                 setup_peak ();
 158                 _sizer->Layout ();
 159         } else if (property == AudioContentProperty::AUDIO_GAIN) {
 160                 setup_peak ();
 161         } else if (property == DCPContentProperty::REFERENCE_AUDIO) {
 162                 if (ac.size() == 1) {
 163                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (ac.front ());
 164                         checked_set (_reference, dcp ? dcp->reference_audio () : false);
 165                 } else {
 166                         checked_set (_reference, false);
 167                 }
 168
 169                 setup_sensitivity ();
 170         } else if (property == AudioContentProperty::AUDIO_VIDEO_FRAME_RATE) {
 171                 setup_description ();
 172         }
 173 }
 174
 175 void
 176 AudioPanel::gain_calculate_button_clicked ()
 177 {
 178         GainCalculatorDialog* d = new GainCalculatorDialog (this);
 179         int const r = d->ShowModal ();
 180
 181         if (r == wxID_CANCEL || d->wanted_fader() == 0 || d->actual_fader() == 0) {
 182                 d->Destroy ();
 183                 return;
 184         }
 185
 186         _gain->wrapped()->SetValue (
 187                 Config::instance()->cinema_sound_processor()->db_for_fader_change (
 188                         d->wanted_fader (),
 189                         d->actual_fader ()
 190                         )
 191                 );
 192
 193         /* This appears to be necessary, as the change is not signalled,
 194            I think.
 195         */
 196         _gain->view_changed ();
 197
 198         d->Destroy ();
 199 }
 200
 201 void
 202 AudioPanel::setup_description ()
 203 {
 204         AudioContentList ac = _parent->selected_audio ();
 205         if (ac.size () != 1) {
 206                 checked_set (_description, wxT (""));
 207                 return;
 208         }
 209
 210         checked_set (_description, ac.front()->processing_description ());
 211 }
 212
 213 void
 214 AudioPanel::mapping_changed (AudioMapping m)
 215 {
 216         AudioContentList c = _parent->selected_audio ();
 217         if (c.size() == 1) {
 218                 c.front()->set_audio_mapping (m);
 219         }
 220 }
 221
 222 void
 223 AudioPanel::content_selection_changed ()
 224 {
 225         AudioContentList sel = _parent->selected_audio ();
 226
 227         _gain->set_content (sel);
 228         _delay->set_content (sel);
 229
 230         film_content_changed (AudioContentProperty::AUDIO_STREAMS);
 231         film_content_changed (DCPContentProperty::REFERENCE_AUDIO);
 232
 233         setup_sensitivity ();
 234 }
 235
 236 void
 237 AudioPanel::setup_sensitivity ()
 238 {
 239         AudioContentList sel = _parent->selected_audio ();
 240
 241         shared_ptr<DCPContent> dcp;
 242         if (sel.size() == 1) {
 243                 dcp = dynamic_pointer_cast<DCPContent> (sel.front ());
 244         }
 245
 246         list<string> why_not;
 247         bool const can_reference = dcp && dcp->can_reference_audio (why_not);
 248         setup_refer_button (_reference, dcp, can_reference, why_not);
 249
 250         if (_reference->GetValue ()) {
 251                 _gain->wrapped()->Enable (false);
 252                 _gain_calculate_button->Enable (false);
 253                 _peak->Enable (false);
 254                 _delay->wrapped()->Enable (false);
 255                 _mapping->Enable (false);
 256                 _description->Enable (false);
 257         } else {
 258                 _gain->wrapped()->Enable (true);
 259                 _gain_calculate_button->Enable (sel.size() == 1);
 260                 _peak->Enable (true);
 261                 _delay->wrapped()->Enable (true);
 262                 _mapping->Enable (sel.size() == 1);
 263                 _description->Enable (true);
 264         }
 265 }
 266
 267 void
 268 AudioPanel::show_clicked ()
 269 {
 270         if (_audio_dialog) {
 271                 _audio_dialog->Destroy ();
 272                 _audio_dialog = 0;
 273         }
 274
 275         AudioContentList ac = _parent->selected_audio ();
 276         if (ac.size() != 1) {
 277                 return;
 278         }
 279
 280         _audio_dialog = new AudioDialog (this, _parent->film (), ac.front ());
 281         _audio_dialog->Show ();
 282 }
 283
 284 void
 285 AudioPanel::setup_peak ()
 286 {
 287         AudioContentList sel = _parent->selected_audio ();
 288         bool alert = false;
 289
 290         if (sel.size() != 1) {
 291                 _peak->SetLabel (wxT (""));
 292         } else {
 293                 shared_ptr<Playlist> playlist (new Playlist);
 294                 playlist->add (sel.front ());
 295                 try {
 296                         shared_ptr<AudioAnalysis> analysis (new AudioAnalysis (_parent->film()->audio_analysis_path (playlist)));
 297                         if (analysis->sample_peak ()) {
 298                                 float const peak_dB = 20 * log10 (analysis->sample_peak().get()) + analysis->gain_correction (playlist);
 299                                 if (peak_dB > -3) {
 300                                         alert = true;
 301                                 }
 302                                 _peak->SetLabel (wxString::Format (_("Peak: %.2fdB"), peak_dB));
 303                         } else {
 304                                 _peak->SetLabel (_("Peak: unknown"));
 305                         }
 306                 } catch (...) {
 307                         _peak->SetLabel (_("Peak: unknown"));
 308                 }
 309         }
 310
 311         static wxColour normal = _peak->GetForegroundColour ();
 312
 313         if (alert) {
 314                 _peak->SetForegroundColour (wxColour (255, 0, 0));
 315         } else {
 316                 _peak->SetForegroundColour (normal);
 317         }
 318 }
 319
 320 void
 321 AudioPanel::active_jobs_changed (optional<string> j)
 322 {
 323         if (j && *j == "analyse_audio") {
 324                 setup_peak ();
 325         }
 326 }
 327
 328 void
 329 AudioPanel::reference_clicked ()
 330 {
 331         ContentList c = _parent->selected ();
 332         if (c.size() != 1) {
 333                 return;
 334         }
 335
 336         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (c.front ());
 337         if (!d) {
 338                 return;
 339         }
 340
 341         d->set_reference_audio (_reference->GetValue ());
 342 }