Basics of per-channel audio gain.
[dcpomatic.git] / src / wx / audio_panel.cc
index c27e51b61203e2b092a09e2a5bb661962689064f..50a8f709cf3d4e78f08a00064bed6b59b9f497d0 100644 (file)
@@ -21,6 +21,7 @@
 #include <wx/spinctrl.h>
 #include "lib/config.h"
 #include "lib/sound_processor.h"
+#include "lib/ffmpeg_content.h"
 #include "audio_dialog.h"
 #include "audio_panel.h"
 #include "audio_mapping_view.h"
@@ -29,6 +30,7 @@
 #include "film_editor.h"
 
 using std::vector;
+using std::cout;
 using std::string;
 using boost::dynamic_pointer_cast;
 using boost::lexical_cast;
@@ -38,59 +40,63 @@ AudioPanel::AudioPanel (FilmEditor* e)
        : FilmEditorPanel (e, _("Audio"))
        , _audio_dialog (0)
 {
-       wxFlexGridSizer* grid = new wxFlexGridSizer (3, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
+       wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
        _sizer->Add (grid, 0, wxALL, 8);
 
+       int r = 0;
+
        _show = new wxButton (this, wxID_ANY, _("Show Audio..."));
-       grid->Add (_show, 1);
-       grid->AddSpacer (0);
-       grid->AddSpacer (0);
-
-       add_label_to_sizer (grid, this, _("Audio Gain"), true);
-       {
-               wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-               _gain = new wxSpinCtrl (this);
-               s->Add (_gain, 1);
-               add_label_to_sizer (s, this, _("dB"), false);
-               grid->Add (s, 1);
-       }
+       grid->Add (_show, wxGBPosition (r, 0));
+       ++r;
+
+       add_label_to_grid_bag_sizer (grid, this, _("Audio Gain"), true, wxGBPosition (r, 0));
+       _gain = new ContentSpinCtrl<AudioContent> (
+               this,
+               new wxSpinCtrl (this),
+               AudioContentProperty::AUDIO_GAIN,
+               boost::mem_fn (&AudioContent::audio_gain),
+               boost::mem_fn (&AudioContent::set_audio_gain)
+               );
        
+       _gain->add (grid, wxGBPosition (r, 1));
+       add_label_to_grid_bag_sizer (grid, this, _("dB"), false, wxGBPosition (r, 2));
        _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
-       grid->Add (_gain_calculate_button);
-
-       add_label_to_sizer (grid, this, _("Audio Delay"), false);
-       {
-               wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-               _delay = new wxSpinCtrl (this);
-               s->Add (_delay, 1);
-               /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
-               add_label_to_sizer (s, this, _("ms"), false);
-               grid->Add (s);
-       }
-
-       grid->AddSpacer (0);
+       grid->Add (_gain_calculate_button, wxGBPosition (r, 3));
+       ++r;
+
+       add_label_to_grid_bag_sizer (grid, this, _("Audio Delay"), false, wxGBPosition (r, 0));
+       _delay = new ContentSpinCtrl<AudioContent> (
+               this,
+               new wxSpinCtrl (this),
+               AudioContentProperty::AUDIO_DELAY,
+               boost::mem_fn (&AudioContent::audio_delay),
+               boost::mem_fn (&AudioContent::set_audio_delay)
+               );
+       
+       _delay->add (grid, wxGBPosition (r,1 ));
+       /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
+       add_label_to_grid_bag_sizer (grid, this, _("ms"), false, wxGBPosition (r, 2));
+       ++r;
 
-       add_label_to_sizer (grid, this, _("Audio Stream"), true);
+       add_label_to_grid_bag_sizer (grid, this, _("Audio Stream"), true, wxGBPosition (r, 0));
        _stream = new wxChoice (this, wxID_ANY);
-       grid->Add (_stream, 1, wxEXPAND);
-       _description = new wxStaticText (this, wxID_ANY, wxT (""));
-       grid->AddSpacer (0);
+       grid->Add (_stream, wxGBPosition (r, 1));
+       ++r;
        
-       grid->Add (_description, 1, wxALIGN_CENTER_VERTICAL | wxLEFT, 8);
-       grid->AddSpacer (0);
-       grid->AddSpacer (0);
+       _description = new wxStaticText (this, wxID_ANY, wxT (""));
+       grid->Add (_description, wxGBPosition (r, 0));
+       ++r;
        
        _mapping = new AudioMappingView (this);
        _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
 
-       _gain->SetRange (-60, 60);
-       _delay->SetRange (-1000, 1000);
+       _gain->wrapped()->SetRange (-60, 60);
+       _delay->wrapped()->SetRange (-1000, 1000);
+
+       _stream->Bind                (wxEVT_COMMAND_CHOICE_SELECTED,  boost::bind (&AudioPanel::stream_changed, this));
+       _show->Bind                  (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::show_clicked, this));
+       _gain_calculate_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
 
-       _delay->Connect  (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (AudioPanel::delay_changed), 0, this);
-       _stream->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,  wxCommandEventHandler (AudioPanel::stream_changed), 0, this);
-       _show->Connect   (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,   wxCommandEventHandler (AudioPanel::show_clicked), 0, this);
-       _gain->Connect   (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (AudioPanel::gain_changed), 0, this);
-       _gain_calculate_button->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (AudioPanel::gain_calculate_button_clicked), 0, this);
        _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
 }
 
@@ -99,11 +105,10 @@ void
 AudioPanel::film_changed (Film::Property property)
 {
        switch (property) {
-       case Film::CONTENT:
-               setup_sensitivity ();
-               break;
-       case Film::DCP_AUDIO_CHANNELS:
-               _mapping->set_channels (_editor->film()->dcp_audio_channels ());
+       case Film::AUDIO_CHANNELS:
+               _mapping->set_channels (_editor->film()->audio_channels ());
+               _sizer->Layout ();
+               _sizer->Fit (this);
                break;
        default:
                break;
@@ -111,62 +116,41 @@ AudioPanel::film_changed (Film::Property property)
 }
 
 void
-AudioPanel::film_content_changed (
-       shared_ptr<Content>,
-       shared_ptr<AudioContent> audio_content,
-       shared_ptr<SubtitleContent>,
-       shared_ptr<FFmpegContent> ffmpeg_content,
-       int property
-       )
+AudioPanel::film_content_changed (int property)
 {
-       if (property == AudioContentProperty::AUDIO_GAIN) {
-               checked_set (_gain, audio_content ? audio_content->audio_gain() : 0);
-       } else if (property == AudioContentProperty::AUDIO_DELAY) {
-               checked_set (_delay, audio_content ? audio_content->audio_delay() : 0);
-       } else if (property == AudioContentProperty::AUDIO_MAPPING) {
-               _mapping->set (audio_content ? audio_content->audio_mapping () : AudioMapping ());
+       AudioContentList ac = _editor->selected_audio_content ();
+       shared_ptr<AudioContent> acs;
+       shared_ptr<FFmpegContent> fcs;
+       if (ac.size() == 1) {
+               acs = ac.front ();
+               fcs = dynamic_pointer_cast<FFmpegContent> (acs);
+       }
+       
+       if (property == AudioContentProperty::AUDIO_MAPPING) {
+               _mapping->set (acs ? acs->audio_mapping () : AudioMapping ());
+               _sizer->Layout ();
+       } else if (property == FFmpegContentProperty::AUDIO_STREAM) {
+               setup_stream_description ();
+               _mapping->set (acs ? acs->audio_mapping () : AudioMapping ());
+               _sizer->Layout ();
        } else if (property == FFmpegContentProperty::AUDIO_STREAMS) {
                _stream->Clear ();
-               if (ffmpeg_content) {
-                       vector<shared_ptr<FFmpegAudioStream> > a = ffmpeg_content->audio_streams ();
+               if (fcs) {
+                       vector<shared_ptr<FFmpegAudioStream> > a = fcs->audio_streams ();
                        for (vector<shared_ptr<FFmpegAudioStream> >::iterator i = a.begin(); i != a.end(); ++i) {
                                _stream->Append (std_to_wx ((*i)->name), new wxStringClientData (std_to_wx (lexical_cast<string> ((*i)->id))));
                        }
                        
-                       if (ffmpeg_content->audio_stream()) {
-                               checked_set (_stream, lexical_cast<string> (ffmpeg_content->audio_stream()->id));
+                       if (fcs->audio_stream()) {
+                               checked_set (_stream, lexical_cast<string> (fcs->audio_stream()->id));
+                               setup_stream_description ();
                        }
                }
-               setup_sensitivity ();
-       } else if (property == FFmpegContentProperty::AUDIO_STREAM) {
-               setup_sensitivity ();
-       }
-}
-
-void
-AudioPanel::gain_changed (wxCommandEvent &)
-{
-       shared_ptr<AudioContent> ac = _editor->selected_audio_content ();
-       if (!ac) {
-               return;
-       }
-
-       ac->set_audio_gain (_gain->GetValue ());
-}
-
-void
-AudioPanel::delay_changed (wxCommandEvent &)
-{
-       shared_ptr<AudioContent> ac = _editor->selected_audio_content ();
-       if (!ac) {
-               return;
        }
-
-       ac->set_audio_delay (_delay->GetValue ());
 }
 
 void
-AudioPanel::gain_calculate_button_clicked (wxCommandEvent &)
+AudioPanel::gain_calculate_button_clicked ()
 {
        GainCalculatorDialog* d = new GainCalculatorDialog (this);
        d->ShowModal ();
@@ -176,7 +160,7 @@ AudioPanel::gain_calculate_button_clicked (wxCommandEvent &)
                return;
        }
        
-       _gain->SetValue (
+       _gain->wrapped()->SetValue (
                Config::instance()->sound_processor()->db_for_fader_change (
                        d->wanted_fader (),
                        d->actual_fader ()
@@ -186,67 +170,44 @@ AudioPanel::gain_calculate_button_clicked (wxCommandEvent &)
        /* This appears to be necessary, as the change is not signalled,
           I think.
        */
-       wxCommandEvent dummy;
-       gain_changed (dummy);
+       _gain->update_from_model ();
        
        d->Destroy ();
 }
 
 void
-AudioPanel::show_clicked (wxCommandEvent &)
+AudioPanel::show_clicked ()
 {
        if (_audio_dialog) {
                _audio_dialog->Destroy ();
                _audio_dialog = 0;
        }
 
-       shared_ptr<Content> c = _editor->selected_content ();
-       if (!c) {
-               return;
-       }
-
-       shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c);
-       if (!ac) {
+       AudioContentList ac = _editor->selected_audio_content ();
+       if (ac.size() != 1) {
                return;
        }
        
        _audio_dialog = new AudioDialog (this);
        _audio_dialog->Show ();
-       _audio_dialog->set_content (ac);
-}
-
-
-void
-AudioPanel::setup_sensitivity ()
-{
-       _show->Enable (_editor->film ());
-       _gain->Enable (_editor->generally_sensitive ());
-       _gain_calculate_button->Enable (_editor->generally_sensitive ());
-       _delay->Enable (_editor->generally_sensitive ());
-}
-
-void
-AudioPanel::content_selection_changed ()
-{
-       if (_audio_dialog && _editor->selected_audio_content()) {
-               _audio_dialog->set_content (_editor->selected_audio_content ());
-       }
+       _audio_dialog->set_content (ac.front ());
 }
 
 void
-AudioPanel::stream_changed (wxCommandEvent &)
+AudioPanel::stream_changed ()
 {
-       shared_ptr<Content> c = _editor->selected_content ();
-       if (!c) {
+       FFmpegContentList fc = _editor->selected_ffmpeg_content ();
+       if (fc.size() != 1) {
                return;
        }
+
+       shared_ptr<FFmpegContent> fcs = fc.front ();
        
-       shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
-       if (!fc) {
+       if (_stream->GetSelection() == -1) {
                return;
        }
        
-       vector<shared_ptr<FFmpegAudioStream> > a = fc->audio_streams ();
+       vector<shared_ptr<FFmpegAudioStream> > a = fcs->audio_streams ();
        vector<shared_ptr<FFmpegAudioStream> >::iterator i = a.begin ();
        string const s = string_client_data (_stream->GetClientObject (_stream->GetSelection ()));
        while (i != a.end() && lexical_cast<string> ((*i)->id) != s) {
@@ -254,19 +215,32 @@ AudioPanel::stream_changed (wxCommandEvent &)
        }
 
        if (i != a.end ()) {
-               fc->set_audio_stream (*i);
+               fcs->set_audio_stream (*i);
        }
 
-       if (!fc->audio_stream ()) {
+       setup_stream_description ();
+}
+
+void
+AudioPanel::setup_stream_description ()
+{
+       FFmpegContentList fc = _editor->selected_ffmpeg_content ();
+       if (fc.size() != 1) {
+               return;
+       }
+
+       shared_ptr<FFmpegContent> fcs = fc.front ();
+
+       if (!fcs->audio_stream ()) {
                _description->SetLabel (wxT (""));
        } else {
                wxString s;
-               if (fc->audio_channels() == 1) {
+               if (fcs->audio_channels() == 1) {
                        s << _("1 channel");
                } else {
-                       s << fc->audio_channels() << wxT (" ") << _("channels");
+                       s << fcs->audio_channels() << wxT (" ") << _("channels");
                }
-               s << wxT (", ") << fc->content_audio_frame_rate() << _("Hz");
+               s << wxT (", ") << fcs->content_audio_frame_rate() << _("Hz");
                _description->SetLabel (s);
        }
 }
@@ -274,11 +248,29 @@ AudioPanel::stream_changed (wxCommandEvent &)
 void
 AudioPanel::mapping_changed (AudioMapping m)
 {
-       shared_ptr<AudioContent> c = _editor->selected_audio_content ();
-       if (!c) {
-               return;
+       AudioContentList c = _editor->selected_audio_content ();
+       if (c.size() == 1) {
+               c.front()->set_audio_mapping (m);
        }
-
-       c->set_audio_mapping (m);
 }
 
+void
+AudioPanel::content_selection_changed ()
+{
+       AudioContentList sel = _editor->selected_audio_content ();
+
+       if (_audio_dialog && sel.size() == 1) {
+               _audio_dialog->set_content (sel.front ());
+       }
+       
+       _gain->set_content (sel);
+       _delay->set_content (sel);
+
+       _show->Enable (sel.size() == 1);
+       _stream->Enable (sel.size() == 1);
+       _mapping->Enable (sel.size() == 1);
+
+       film_content_changed (AudioContentProperty::AUDIO_MAPPING);
+       film_content_changed (FFmpegContentProperty::AUDIO_STREAM);
+       film_content_changed (FFmpegContentProperty::AUDIO_STREAMS);
+}