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 #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::lexical_cast;
  42 using boost::shared_ptr;
  43 using boost::optional;
  44
  45 AudioPanel::AudioPanel (ContentPanel* p)
  46         : ContentSubPanel (p, _("Audio"))
  47         , _audio_dialog (0)
  48 {
  49         wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
  50         _sizer->Add (grid, 0, wxALL, 8);
  51
  52         int r = 0;
  53
  54         {
  55                 wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
  56                 _show = new wxButton (this, wxID_ANY, _("Show graph of audio levels..."));
  57                 s->Add (_show);
  58                 _peak = new wxStaticText (this, wxID_ANY, wxT (""));
  59                 s->Add (_peak, 0, wxALIGN_CENTER_VERTICAL | wxLEFT | wxRIGHT, DCPOMATIC_SIZER_X_GAP);
  60                 grid->Add (s, wxGBPosition (r, 0), wxGBSpan (1, 2));
  61                 ++r;
  62         }
  63
  64         add_label_to_grid_bag_sizer (grid, this, _("Gain"), true, wxGBPosition (r, 0));
  65         _gain = new ContentSpinCtrlDouble<AudioContent> (
  66                 this,
  67                 new wxSpinCtrlDouble (this),
  68                 AudioContentProperty::AUDIO_GAIN,
  69                 boost::mem_fn (&AudioContent::audio_gain),
  70                 boost::mem_fn (&AudioContent::set_audio_gain)
  71                 );
  72
  73         _gain->add (grid, wxGBPosition (r, 1));
  74         add_label_to_grid_bag_sizer (grid, this, _("dB"), false, wxGBPosition (r, 2));
  75         _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
  76         grid->Add (_gain_calculate_button, wxGBPosition (r, 3));
  77         ++r;
  78
  79         add_label_to_grid_bag_sizer (grid, this, _("Delay"), true, wxGBPosition (r, 0));
  80         _delay = new ContentSpinCtrl<AudioContent> (
  81                 this,
  82                 new wxSpinCtrl (this),
  83                 AudioContentProperty::AUDIO_DELAY,
  84                 boost::mem_fn (&AudioContent::audio_delay),
  85                 boost::mem_fn (&AudioContent::set_audio_delay)
  86                 );
  87
  88         _delay->add (grid, wxGBPosition (r, 1));
  89         /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
  90         add_label_to_grid_bag_sizer (grid, this, _("ms"), false, wxGBPosition (r, 2));
  91         ++r;
  92
  93         _mapping = new AudioMappingView (this);
  94         _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
  95         ++r;
  96
  97         _description = new wxStaticText (this, wxID_ANY, wxT (" \n"), wxDefaultPosition, wxDefaultSize);
  98         _sizer->Add (_description, 0, wxALL, 12);
  99         wxFont font = _description->GetFont();
 100         font.SetStyle (wxFONTSTYLE_ITALIC);
 101         font.SetPointSize (font.GetPointSize() - 1);
 102         _description->SetFont (font);
 103         ++r;
 104
 105         _gain->wrapped()->SetRange (-60, 60);
 106         _gain->wrapped()->SetDigits (1);
 107         _gain->wrapped()->SetIncrement (0.5);
 108         _delay->wrapped()->SetRange (-1000, 1000);
 109
 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         default:
 139                 break;
 140         }
 141 }
 142
 143 void
 144 AudioPanel::film_content_changed (int property)
 145 {
 146         if (property == AudioContentProperty::AUDIO_STREAMS) {
 147                 AudioContentList ac = _parent->selected_audio ();
 148                 if (ac.size() == 1) {
 149                         _mapping->set (ac.front()->audio_mapping());
 150                         _mapping->set_input_channels (ac.front()->audio_channel_names ());
 151                 } else {
 152                         _mapping->set (AudioMapping ());
 153                 }
 154                 setup_description ();
 155                 setup_peak ();
 156                 _sizer->Layout ();
 157         } else if (property == AudioContentProperty::AUDIO_GAIN) {
 158                 setup_peak ();
 159         }
 160 }
 161
 162 void
 163 AudioPanel::gain_calculate_button_clicked ()
 164 {
 165         GainCalculatorDialog* d = new GainCalculatorDialog (this);
 166         int const r = d->ShowModal ();
 167
 168         if (r == wxID_CANCEL || d->wanted_fader() == 0 || d->actual_fader() == 0) {
 169                 d->Destroy ();
 170                 return;
 171         }
 172
 173         _gain->wrapped()->SetValue (
 174                 Config::instance()->cinema_sound_processor()->db_for_fader_change (
 175                         d->wanted_fader (),
 176                         d->actual_fader ()
 177                         )
 178                 );
 179
 180         /* This appears to be necessary, as the change is not signalled,
 181            I think.
 182         */
 183         _gain->view_changed ();
 184
 185         d->Destroy ();
 186 }
 187
 188 void
 189 AudioPanel::setup_description ()
 190 {
 191         AudioContentList ac = _parent->selected_audio ();
 192         if (ac.size () != 1) {
 193                 checked_set (_description, wxT (""));
 194                 return;
 195         }
 196
 197         checked_set (_description, ac.front()->processing_description ());
 198 }
 199
 200 void
 201 AudioPanel::mapping_changed (AudioMapping m)
 202 {
 203         AudioContentList c = _parent->selected_audio ();
 204         if (c.size() == 1) {
 205                 c.front()->set_audio_mapping (m);
 206         }
 207 }
 208
 209 void
 210 AudioPanel::content_selection_changed ()
 211 {
 212         AudioContentList sel = _parent->selected_audio ();
 213
 214         _gain->set_content (sel);
 215         _delay->set_content (sel);
 216
 217         _gain_calculate_button->Enable (sel.size() == 1);
 218         _mapping->Enable (sel.size() == 1);
 219
 220         film_content_changed (AudioContentProperty::AUDIO_STREAMS);
 221 }
 222
 223 void
 224 AudioPanel::show_clicked ()
 225 {
 226         if (_audio_dialog) {
 227                 _audio_dialog->Destroy ();
 228                 _audio_dialog = 0;
 229         }
 230
 231         AudioContentList ac = _parent->selected_audio ();
 232         if (ac.size() != 1) {
 233                 return;
 234         }
 235
 236         _audio_dialog = new AudioDialog (this, _parent->film (), ac.front ());
 237         _audio_dialog->Show ();
 238 }
 239
 240 void
 241 AudioPanel::setup_peak ()
 242 {
 243         AudioContentList sel = _parent->selected_audio ();
 244         bool alert = false;
 245
 246         if (sel.size() != 1) {
 247                 _peak->SetLabel (wxT (""));
 248         } else {
 249                 shared_ptr<Playlist> playlist (new Playlist);
 250                 playlist->add (sel.front ());
 251                 try {
 252                         shared_ptr<AudioAnalysis> analysis (new AudioAnalysis (_parent->film()->audio_analysis_path (playlist)));
 253                         if (analysis->peak ()) {
 254                                 float const peak_dB = 20 * log10 (analysis->peak().get()) + analysis->gain_correction (playlist);
 255                                 if (peak_dB > -3) {
 256                                         alert = true;
 257                                 }
 258                                 _peak->SetLabel (wxString::Format (_("Peak: %.2fdB"), peak_dB));
 259                         } else {
 260                                 _peak->SetLabel (_("Peak: unknown"));
 261                         }
 262                 } catch (...) {
 263                         _peak->SetLabel (_("Peak: unknown"));
 264                 }
 265         }
 266
 267         static wxColour normal = _peak->GetForegroundColour ();
 268
 269         if (alert) {
 270                 _peak->SetForegroundColour (wxColour (255, 0, 0));
 271         } else {
 272                 _peak->SetForegroundColour (normal);
 273         }
 274 }
 275
 276 void
 277 AudioPanel::active_jobs_changed (optional<string> j)
 278 {
 279         if (j && *j == "analyse_audio") {
 280                 setup_peak ();
 281         }
 282 }