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         wxBoxSizer* reference_sizer = new wxBoxSizer (wxVERTICAL);
  52
  53         _reference = new wxCheckBox (this, wxID_ANY, _("Use this DCP's audio as OV and make VF"));
  54         reference_sizer->Add (_reference, 0, wxLEFT | wxRIGHT | wxTOP, DCPOMATIC_SIZER_GAP);
  55
  56         _reference_note = new wxStaticText (this, wxID_ANY, _(""));
  57         _reference_note->Wrap (200);
  58         reference_sizer->Add (_reference_note, 0, wxLEFT | wxRIGHT, DCPOMATIC_SIZER_GAP);
  59         wxFont font = _reference_note->GetFont();
  60         font.SetStyle(wxFONTSTYLE_ITALIC);
  61         font.SetPointSize(font.GetPointSize() - 1);
  62         _reference_note->SetFont(font);
  63
  64         _sizer->Add (reference_sizer);
  65
  66         wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
  67         _sizer->Add (grid, 0, wxALL, 8);
  68
  69         int r = 0;
  70
  71         _show = new wxButton (this, wxID_ANY, _("Show graph of audio levels..."));
  72         grid->Add (_show, wxGBPosition (r, 0), wxGBSpan (1, 2));
  73         _peak = new wxStaticText (this, wxID_ANY, wxT (""));
  74         grid->Add (_peak, wxGBPosition (r, 2), wxGBSpan (1, 2), wxALIGN_CENTER_VERTICAL);
  75         ++r;
  76
  77         add_label_to_sizer (grid, this, _("Gain"), true, wxGBPosition (r, 0));
  78         _gain = new ContentSpinCtrlDouble<AudioContent> (
  79                 this,
  80                 new wxSpinCtrlDouble (this),
  81                 AudioContentProperty::GAIN,
  82                 &Content::audio,
  83                 boost::mem_fn (&AudioContent::gain),
  84                 boost::mem_fn (&AudioContent::set_gain)
  85                 );
  86
  87         _gain->add (grid, wxGBPosition (r, 1));
  88         add_label_to_sizer (grid, this, _("dB"), false, wxGBPosition (r, 2));
  89         _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
  90         grid->Add (_gain_calculate_button, wxGBPosition (r, 3));
  91         ++r;
  92
  93         add_label_to_sizer (grid, this, _("Delay"), true, wxGBPosition (r, 0));
  94         _delay = new ContentSpinCtrl<AudioContent> (
  95                 this,
  96                 new wxSpinCtrl (this),
  97                 AudioContentProperty::DELAY,
  98                 &Content::audio,
  99                 boost::mem_fn (&AudioContent::delay),
 100                 boost::mem_fn (&AudioContent::set_delay)
 101                 );
 102
 103         _delay->add (grid, wxGBPosition (r, 1));
 104         /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
 105         add_label_to_sizer (grid, this, _("ms"), false, wxGBPosition (r, 2));
 106         ++r;
 107
 108         _mapping = new AudioMappingView (this);
 109         _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
 110         ++r;
 111
 112         _description = new wxStaticText (this, wxID_ANY, wxT (" \n"), wxDefaultPosition, wxDefaultSize);
 113         _sizer->Add (_description, 0, wxALL, 12);
 114         _description->SetFont (font);
 115         ++r;
 116
 117         _gain->wrapped()->SetRange (-60, 60);
 118         _gain->wrapped()->SetDigits (1);
 119         _gain->wrapped()->SetIncrement (0.5);
 120         _delay->wrapped()->SetRange (-1000, 1000);
 121
 122         content_selection_changed ();
 123
 124         _reference->Bind             (wxEVT_CHECKBOX, boost::bind (&AudioPanel::reference_clicked, this));
 125         _show->Bind                  (wxEVT_BUTTON,   boost::bind (&AudioPanel::show_clicked, this));
 126         _gain_calculate_button->Bind (wxEVT_BUTTON,   boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
 127
 128         _mapping_connection = _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
 129
 130         JobManager::instance()->ActiveJobsChanged.connect (boost::bind (&AudioPanel::active_jobs_changed, this, _1, _2));
 131 }
 132
 133 AudioPanel::~AudioPanel ()
 134 {
 135         if (_audio_dialog) {
 136                 _audio_dialog->Destroy ();
 137                 _audio_dialog = 0;
 138         }
 139 }
 140
 141 void
 142 AudioPanel::film_changed (Film::Property property)
 143 {
 144         switch (property) {
 145         case Film::AUDIO_CHANNELS:
 146         case Film::AUDIO_PROCESSOR:
 147                 _mapping->set_output_channels (_parent->film()->audio_output_names ());
 148                 setup_peak ();
 149                 break;
 150         case Film::VIDEO_FRAME_RATE:
 151                 setup_description ();
 152                 break;
 153         case Film::REEL_TYPE:
 154         case Film::INTEROP:
 155                 setup_sensitivity ();
 156                 break;
 157         default:
 158                 break;
 159         }
 160 }
 161
 162 void
 163 AudioPanel::film_content_changed (int property)
 164 {
 165         ContentList ac = _parent->selected_audio ();
 166         if (property == AudioContentProperty::STREAMS) {
 167                 if (ac.size() == 1) {
 168                         _mapping->set (ac.front()->audio->mapping());
 169                         _mapping->set_input_channels (ac.front()->audio->channel_names ());
 170
 171                         vector<AudioMappingView::Group> groups;
 172                         int c = 0;
 173                         BOOST_FOREACH (shared_ptr<const AudioStream> i, ac.front()->audio->streams()) {
 174                                 shared_ptr<const FFmpegAudioStream> f = dynamic_pointer_cast<const FFmpegAudioStream> (i);
 175                                 string name = "";
 176                                 if (f) {
 177                                         name = f->name;
 178                                         if (f->codec_name) {
 179                                                 name += " (" + f->codec_name.get() + ")";
 180                                         }
 181                                 }
 182                                 groups.push_back (AudioMappingView::Group (c, c + i->channels() - 1, name));
 183                                 c += i->channels ();
 184                         }
 185                         _mapping->set_input_groups (groups);
 186
 187                 } else {
 188                         _mapping->set (AudioMapping ());
 189                 }
 190                 setup_description ();
 191                 setup_peak ();
 192                 _sizer->Layout ();
 193         } else if (property == AudioContentProperty::GAIN) {
 194                 setup_peak ();
 195         } else if (property == DCPContentProperty::REFERENCE_AUDIO) {
 196                 if (ac.size() == 1) {
 197                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (ac.front ());
 198                         checked_set (_reference, dcp ? dcp->reference_audio () : false);
 199                 } else {
 200                         checked_set (_reference, false);
 201                 }
 202
 203                 setup_sensitivity ();
 204         } else if (property == ContentProperty::VIDEO_FRAME_RATE) {
 205                 setup_description ();
 206         }
 207 }
 208
 209 void
 210 AudioPanel::gain_calculate_button_clicked ()
 211 {
 212         GainCalculatorDialog* d = new GainCalculatorDialog (this);
 213         int const r = d->ShowModal ();
 214
 215         if (r == wxID_CANCEL || d->wanted_fader() == 0 || d->actual_fader() == 0) {
 216                 d->Destroy ();
 217                 return;
 218         }
 219
 220         _gain->wrapped()->SetValue (
 221                 Config::instance()->cinema_sound_processor()->db_for_fader_change (
 222                         d->wanted_fader (),
 223                         d->actual_fader ()
 224                         )
 225                 );
 226
 227         /* This appears to be necessary, as the change is not signalled,
 228            I think.
 229         */
 230         _gain->view_changed ();
 231
 232         d->Destroy ();
 233 }
 234
 235 void
 236 AudioPanel::setup_description ()
 237 {
 238         ContentList ac = _parent->selected_audio ();
 239         if (ac.size () != 1) {
 240                 checked_set (_description, wxT (""));
 241                 return;
 242         }
 243
 244         checked_set (_description, ac.front()->audio->processing_description ());
 245 }
 246
 247 void
 248 AudioPanel::mapping_changed (AudioMapping m)
 249 {
 250         ContentList c = _parent->selected_audio ();
 251         if (c.size() == 1) {
 252                 c.front()->audio->set_mapping (m);
 253         }
 254 }
 255
 256 void
 257 AudioPanel::content_selection_changed ()
 258 {
 259         ContentList sel = _parent->selected_audio ();
 260
 261         _gain->set_content (sel);
 262         _delay->set_content (sel);
 263
 264         film_content_changed (AudioContentProperty::STREAMS);
 265         film_content_changed (DCPContentProperty::REFERENCE_AUDIO);
 266
 267         setup_sensitivity ();
 268 }
 269
 270 void
 271 AudioPanel::setup_sensitivity ()
 272 {
 273         ContentList sel = _parent->selected_audio ();
 274
 275         shared_ptr<DCPContent> dcp;
 276         if (sel.size() == 1) {
 277                 dcp = dynamic_pointer_cast<DCPContent> (sel.front ());
 278         }
 279
 280         string why_not;
 281         bool const can_reference = dcp && dcp->can_reference_audio (why_not);
 282         setup_refer_button (_reference, _reference_note, dcp, can_reference, why_not);
 283
 284         if (_reference->GetValue ()) {
 285                 _gain->wrapped()->Enable (false);
 286                 _gain_calculate_button->Enable (false);
 287                 _show->Enable (true);
 288                 _peak->Enable (false);
 289                 _delay->wrapped()->Enable (false);
 290                 _mapping->Enable (false);
 291                 _description->Enable (false);
 292         } else {
 293                 _gain->wrapped()->Enable (sel.size() == 1);
 294                 _gain_calculate_button->Enable (sel.size() == 1);
 295                 _show->Enable (sel.size() == 1);
 296                 _peak->Enable (sel.size() == 1);
 297                 _delay->wrapped()->Enable (sel.size() == 1);
 298                 _mapping->Enable (sel.size() == 1);
 299                 _description->Enable (sel.size() == 1);
 300         }
 301 }
 302
 303 void
 304 AudioPanel::show_clicked ()
 305 {
 306         if (_audio_dialog) {
 307                 _audio_dialog->Destroy ();
 308                 _audio_dialog = 0;
 309         }
 310
 311         ContentList ac = _parent->selected_audio ();
 312         if (ac.size() != 1) {
 313                 return;
 314         }
 315
 316         _audio_dialog = new AudioDialog (this, _parent->film (), ac.front ());
 317         _audio_dialog->Show ();
 318 }
 319
 320 void
 321 AudioPanel::setup_peak ()
 322 {
 323         ContentList sel = _parent->selected_audio ();
 324         optional<float> peak_dB;
 325
 326         if (sel.size() != 1) {
 327                 _peak->SetLabel (wxT (""));
 328         } else {
 329                 shared_ptr<Playlist> playlist (new Playlist);
 330                 playlist->add (sel.front ());
 331                 try {
 332                         shared_ptr<AudioAnalysis> analysis (new AudioAnalysis (_parent->film()->audio_analysis_path (playlist)));
 333                         peak_dB = 20 * log10 (analysis->overall_sample_peak().first.peak) + analysis->gain_correction (playlist);
 334                         _peak->SetLabel (wxString::Format (_("Peak: %.2fdB"), *peak_dB));
 335                 } catch (...) {
 336                         _peak->SetLabel (_("Peak: unknown"));
 337                 }
 338         }
 339
 340         static wxColour normal = _peak->GetForegroundColour ();
 341
 342         if (peak_dB && *peak_dB > -0.5) {
 343                 _peak->SetForegroundColour (wxColour (255, 0, 0));
 344         } else if (peak_dB && *peak_dB > -3) {
 345                 _peak->SetForegroundColour (wxColour (186, 120, 0));
 346         } else {
 347                 _peak->SetForegroundColour (normal);
 348         }
 349 }
 350
 351 void
 352 AudioPanel::active_jobs_changed (optional<string> old_active, optional<string> new_active)
 353 {
 354         if (old_active && *old_active == "analyse_audio") {
 355                 setup_peak ();
 356                 _mapping->Enable (true);
 357         } else if (new_active && *new_active == "analyse_audio") {
 358                 _mapping->Enable (false);
 359         }
 360 }
 361
 362 void
 363 AudioPanel::reference_clicked ()
 364 {
 365         ContentList c = _parent->selected ();
 366         if (c.size() != 1) {
 367                 return;
 368         }
 369
 370         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (c.front ());
 371         if (!d) {
 372                 return;
 373         }
 374
 375         d->set_reference_audio (_reference->GetValue ());
 376 }
 377
 378 void
 379 AudioPanel::set_film (shared_ptr<Film>)
 380 {
 381         /* We are changing film, so destroy any audio dialog for the old one */
 382         if (_audio_dialog) {
 383                 _audio_dialog->Destroy ();
 384                 _audio_dialog = 0;
 385         }
 386 }