X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Faudio_panel.cc;h=e27e10752abb64c4135f4f5ce431f74a2944b0f3;hb=bcc4e2f7dc4cd5658e199ddacb7202b00ec72cf1;hp=f8dba6cd47fa88f1c1002913f192ae9741e247df;hpb=4e4b758bb59cde29fcd85ed1a59a42a32536f230;p=dcpomatic.git

diff --git a/src/wx/audio_panel.cc b/src/wx/audio_panel.cc
index f8dba6cd4..37d6f8bb6 100644
--- a/src/wx/audio_panel.cc
+++ b/src/wx/audio_panel.cc
@@ -1,109 +1,198 @@
 /*
-    Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
-#include <boost/lexical_cast.hpp>
-#include <wx/spinctrl.h>
-#include "lib/config.h"
-#include "lib/sound_processor.h"
-#include "audio_dialog.h"
 #include "audio_panel.h"
 #include "audio_mapping_view.h"
 #include "wx_util.h"
 #include "gain_calculator_dialog.h"
-#include "film_editor.h"
+#include "content_panel.h"
+#include "audio_dialog.h"
+#include "static_text.h"
+#include "check_box.h"
+#include "dcpomatic_button.h"
+#include "lib/config.h"
+#include "lib/ffmpeg_audio_stream.h"
+#include "lib/ffmpeg_content.h"
+#include "lib/cinema_sound_processor.h"
+#include "lib/job_manager.h"
+#include "lib/dcp_content.h"
+#include "lib/audio_content.h"
+#include <wx/spinctrl.h>
+#include <boost/foreach.hpp>
+#include <iostream>
 
 using std::vector;
 using std::cout;
 using std::string;
+using std::list;
+using std::pair;
 using boost::dynamic_pointer_cast;
-using boost::lexical_cast;
 using boost::shared_ptr;
+using boost::optional;
 
-AudioPanel::AudioPanel (FilmEditor* e)
-	: FilmEditorPanel (e, _("Audio"))
+AudioPanel::AudioPanel (ContentPanel* p)
+	: ContentSubPanel (p, _("Audio"))
 	, _audio_dialog (0)
 {
-	wxFlexGridSizer* grid = new wxFlexGridSizer (3, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-	_sizer->Add (grid, 0, wxALL, 8);
+	_reference = new CheckBox (this, _("Use this DCP's audio as OV and make VF"));
+	_reference_note = new StaticText (this, wxT(""));
+	_reference_note->Wrap (200);
+	wxFont font = _reference_note->GetFont();
+	font.SetStyle(wxFONTSTYLE_ITALIC);
+	font.SetPointSize(font.GetPointSize() - 1);
+	_reference_note->SetFont(font);
+
+	_show = new Button (this, _("Show graph of audio levels..."));
+	_peak = new StaticText (this, wxT (""));
+
+	_gain_label = create_label (this, _("Gain"), true);
+	_gain = new ContentSpinCtrlDouble<AudioContent> (
+		this,
+		new wxSpinCtrlDouble (this),
+		AudioContentProperty::GAIN,
+		&Content::audio,
+		boost::mem_fn (&AudioContent::gain),
+		boost::mem_fn (&AudioContent::set_gain)
+		);
 
-	_show = new wxButton (this, wxID_ANY, _("Show Audio..."));
-	grid->Add (_show, 1);
-	grid->AddSpacer (0);
-	grid->AddSpacer (0);
+	_gain_db_label = create_label (this, _("dB"), false);
+	_gain_calculate_button = new Button (this, _("Calculate..."));
+
+	_delay_label = create_label (this, _("Delay"), true);
+	_delay = new ContentSpinCtrl<AudioContent> (
+		this,
+		new wxSpinCtrl (this),
+		AudioContentProperty::DELAY,
+		&Content::audio,
+		boost::mem_fn (&AudioContent::delay),
+		boost::mem_fn (&AudioContent::set_delay)
+		);
 
-	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);
+	/// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
+	_delay_ms_label = create_label (this, _("ms"), false);
+
+	_mapping = new AudioMappingView (this, _("Content"), _("content"), _("DCP"), _("DCP"));
+	_sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
+
+	_description = new StaticText (this, wxT(" \n"), wxDefaultPosition, wxDefaultSize);
+	_sizer->Add (_description, 0, wxALL, 12);
+	_description->SetFont (font);
+
+	_gain->wrapped()->SetRange (-60, 60);
+	_gain->wrapped()->SetDigits (1);
+	_gain->wrapped()->SetIncrement (0.5);
+	_delay->wrapped()->SetRange (-1000, 1000);
+
+	content_selection_changed ();
+	film_changed (Film::AUDIO_CHANNELS);
+	film_changed (Film::VIDEO_FRAME_RATE);
+	film_changed (Film::REEL_TYPE);
+
+	_reference->Bind             (wxEVT_CHECKBOX, boost::bind (&AudioPanel::reference_clicked, this));
+	_show->Bind                  (wxEVT_BUTTON,   boost::bind (&AudioPanel::show_clicked, this));
+	_gain_calculate_button->Bind (wxEVT_BUTTON,   boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
+
+	_mapping_connection = _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
+	_active_jobs_connection = JobManager::instance()->ActiveJobsChanged.connect (boost::bind (&AudioPanel::active_jobs_changed, this, _1, _2));
+
+	add_to_grid ();
+}
+
+void
+AudioPanel::add_to_grid ()
+{
+	bool const full = Config::instance()->interface_complexity() == Config::INTERFACE_FULL;
+
+	int r = 0;
+
+	_reference->Show (full);
+	_reference_note->Show (full);
+
+	if (full) {
+		wxBoxSizer* reference_sizer = new wxBoxSizer (wxVERTICAL);
+		reference_sizer->Add (_reference, 0);
+		reference_sizer->Add (_reference_note, 0);
+		_grid->Add (reference_sizer, wxGBPosition(r, 0), wxGBSpan(1, 4));
+		++r;
 	}
-	
-	_gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
-	grid->Add (_gain_calculate_button);
 
-	add_label_to_sizer (grid, this, _("Audio Delay"), false);
+	_grid->Add (_show, wxGBPosition (r, 0), wxGBSpan (1, 2));
+	_grid->Add (_peak, wxGBPosition (r, 2), wxGBSpan (1, 2), wxALIGN_CENTER_VERTICAL);
+	++r;
+
+	add_label_to_sizer (_grid, _gain_label, true, wxGBPosition(r, 0));
 	{
 		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);
+		s->Add (_gain->wrapped(), 1, wxALIGN_CENTER_VERTICAL | wxTOP | wxBOTTOM | wxRIGHT, 6);
+		s->Add (_gain_db_label, 0, wxALIGN_CENTER_VERTICAL);
+		_grid->Add (s, wxGBPosition(r, 1));
 	}
 
-	grid->AddSpacer (0);
-
-	add_label_to_sizer (grid, this, _("Audio Stream"), true);
-	_stream = new wxChoice (this, wxID_ANY);
-	grid->Add (_stream, 1, wxEXPAND);
-	_description = new wxStaticText (this, wxID_ANY, wxT (""));
-	grid->AddSpacer (0);
-	
-	grid->Add (_description, 1, wxALIGN_CENTER_VERTICAL | wxLEFT, 8);
-	grid->AddSpacer (0);
-	grid->AddSpacer (0);
-	
-	_mapping = new AudioMappingView (this);
-	_sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
+	_gain_calculate_button->Show (full);
 
-	_gain->SetRange (-60, 60);
-	_delay->SetRange (-1000, 1000);
+	if (full) {
+		_grid->Add (_gain_calculate_button, wxGBPosition(r, 2), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
+		++r;
+	}
 
-	_delay->Bind  		     (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&AudioPanel::delay_changed, this));
-	_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->Bind                  (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&AudioPanel::gain_changed, this));
-	_gain_calculate_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
+	_delay_label->Show (full);
+	_delay->show (full);
+	_delay_ms_label->Show (full);
 
-	_mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
+	if (full) {
+		add_label_to_sizer (_grid, _delay_label, true, wxGBPosition(r, 0));
+		wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
+		s->Add (_delay->wrapped(), 1, wxALIGN_CENTER_VERTICAL | wxTOP | wxBOTTOM | wxRIGHT, 6);
+		s->Add (_delay_ms_label, 0, wxALIGN_CENTER_VERTICAL);
+		_grid->Add (s, wxGBPosition(r, 1));
+		++r;
+	}
 }
 
+AudioPanel::~AudioPanel ()
+{
+	if (_audio_dialog) {
+		_audio_dialog->Destroy ();
+		_audio_dialog = 0;
+	}
+}
 
 void
 AudioPanel::film_changed (Film::Property property)
 {
+	if (!_parent->film()) {
+		return;
+	}
+
 	switch (property) {
 	case Film::AUDIO_CHANNELS:
-		_mapping->set_channels (_editor->film()->audio_channels ());
-		_sizer->Layout ();
+	case Film::AUDIO_PROCESSOR:
+		_mapping->set_output_channels (_parent->film()->audio_output_names ());
+		setup_peak ();
+		break;
+	case Film::VIDEO_FRAME_RATE:
+		setup_description ();
+		break;
+	case Film::REEL_TYPE:
+	case Film::INTEROP:
+		setup_sensitivity ();
 		break;
 	default:
 		break;
@@ -111,86 +200,156 @@ AudioPanel::film_changed (Film::Property property)
 }
 
 void
-AudioPanel::film_content_changed (shared_ptr<Content> c, int property)
+AudioPanel::film_content_changed (int property)
 {
-	shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c);
-	shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
+	ContentList ac = _parent->selected_audio ();
+	if (property == AudioContentProperty::STREAMS) {
+		if (ac.size() == 1) {
+			_mapping->set (ac.front()->audio->mapping());
+			_mapping->set_input_channels (ac.front()->audio->channel_names ());
+
+			vector<AudioMappingView::Group> groups;
+			int c = 0;
+			BOOST_FOREACH (shared_ptr<const AudioStream> i, ac.front()->audio->streams()) {
+				shared_ptr<const FFmpegAudioStream> f = dynamic_pointer_cast<const FFmpegAudioStream> (i);
+				string name = "";
+				if (f) {
+					name = f->name;
+					if (f->codec_name) {
+						name += " (" + f->codec_name.get() + ")";
+					}
+				}
+				groups.push_back (AudioMappingView::Group (c, c + i->channels() - 1, name));
+				c += i->channels ();
+			}
+			_mapping->set_input_groups (groups);
 
-	if (_audio_dialog && _editor->selected_audio_content()) {
-		_audio_dialog->set_content (_editor->selected_audio_content ());
-	}
-	
-	if (property == AudioContentProperty::AUDIO_GAIN) {
-		checked_set (_gain, ac ? ac->audio_gain() : 0);
-	} else if (property == AudioContentProperty::AUDIO_DELAY) {
-		checked_set (_delay, ac ? ac->audio_delay() : 0);
-	} else if (property == AudioContentProperty::AUDIO_MAPPING) {
-		_mapping->set (ac ? ac->audio_mapping () : AudioMapping ());
+		} else {
+			_mapping->set (AudioMapping ());
+		}
+		setup_description ();
+		setup_peak ();
 		_sizer->Layout ();
-	} else if (property == FFmpegContentProperty::AUDIO_STREAM) {
-		setup_stream_description ();
-	} else if (property == FFmpegContentProperty::AUDIO_STREAMS) {
-		_stream->Clear ();
-		if (fc) {
-			vector<shared_ptr<FFmpegAudioStream> > a = fc->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 (fc->audio_stream()) {
-				checked_set (_stream, lexical_cast<string> (fc->audio_stream()->id));
-				setup_stream_description ();
-			}
+	} else if (property == AudioContentProperty::GAIN) {
+		setup_peak ();
+	} else if (property == DCPContentProperty::REFERENCE_AUDIO) {
+		if (ac.size() == 1) {
+			shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (ac.front ());
+			checked_set (_reference, dcp ? dcp->reference_audio () : false);
+		} else {
+			checked_set (_reference, false);
 		}
+
+		setup_sensitivity ();
+	} else if (property == ContentProperty::VIDEO_FRAME_RATE) {
+		setup_description ();
 	}
 }
 
 void
-AudioPanel::gain_changed ()
+AudioPanel::gain_calculate_button_clicked ()
 {
-	shared_ptr<AudioContent> ac = _editor->selected_audio_content ();
-	if (!ac) {
+	GainCalculatorDialog* d = new GainCalculatorDialog (this);
+	int const r = d->ShowModal ();
+	optional<float> c = d->db_change();
+
+	if (r == wxID_CANCEL || !c) {
+		d->Destroy ();
 		return;
 	}
 
-	ac->set_audio_gain (_gain->GetValue ());
+	optional<float> old_peak_dB = peak ();
+	double old_value = _gain->wrapped()->GetValue();
+	_gain->wrapped()->SetValue(old_value + *c);
+
+	/* This appears to be necessary, as the change is not signalled,
+	   I think.
+	*/
+	_gain->view_changed ();
+
+	optional<float> peak_dB = peak ();
+	if (old_peak_dB && *old_peak_dB < -0.5 && peak_dB && *peak_dB > -0.5) {
+		error_dialog (this, _("It is not possible to adjust the content's gain for this fader change as it would cause the DCP's audio to clip.  The gain has not been changed."));
+		_gain->wrapped()->SetValue (old_value);
+		_gain->view_changed ();
+	}
+
+	d->Destroy ();
 }
 
 void
-AudioPanel::delay_changed ()
+AudioPanel::setup_description ()
 {
-	shared_ptr<AudioContent> ac = _editor->selected_audio_content ();
-	if (!ac) {
+	ContentList ac = _parent->selected_audio ();
+	if (ac.size () != 1) {
+		checked_set (_description, wxT (""));
 		return;
 	}
 
-	ac->set_audio_delay (_delay->GetValue ());
+	checked_set (_description, ac.front()->audio->processing_description(_parent->film()));
 }
 
 void
-AudioPanel::gain_calculate_button_clicked ()
+AudioPanel::mapping_changed (AudioMapping m)
 {
-	GainCalculatorDialog* d = new GainCalculatorDialog (this);
-	d->ShowModal ();
+	ContentList c = _parent->selected_audio ();
+	if (c.size() == 1) {
+		c.front()->audio->set_mapping (m);
+	}
+}
 
-	if (d->wanted_fader() == 0 || d->actual_fader() == 0) {
-		d->Destroy ();
-		return;
+void
+AudioPanel::content_selection_changed ()
+{
+	ContentList sel = _parent->selected_audio ();
+
+	_gain->set_content (sel);
+	_delay->set_content (sel);
+
+	film_content_changed (AudioContentProperty::STREAMS);
+	film_content_changed (AudioContentProperty::GAIN);
+	film_content_changed (DCPContentProperty::REFERENCE_AUDIO);
+
+	setup_sensitivity ();
+}
+
+void
+AudioPanel::setup_sensitivity ()
+{
+	ContentList sel = _parent->selected_audio ();
+
+	shared_ptr<DCPContent> dcp;
+	if (sel.size() == 1) {
+		dcp = dynamic_pointer_cast<DCPContent> (sel.front ());
 	}
-	
-	_gain->SetValue (
-		Config::instance()->sound_processor()->db_for_fader_change (
-			d->wanted_fader (),
-			d->actual_fader ()
-			)
-		);
 
-	/* This appears to be necessary, as the change is not signalled,
-	   I think.
-	*/
-	gain_changed ();
-	
-	d->Destroy ();
+	string why_not;
+	bool const can_reference = dcp && dcp->can_reference_audio (_parent->film(), why_not);
+	wxString cannot;
+	if (why_not.empty()) {
+		cannot = _("Cannot reference this DCP's audio.");
+	} else {
+		cannot = _("Cannot reference this DCP's audio: ") + std_to_wx(why_not);
+	}
+	setup_refer_button (_reference, _reference_note, dcp, can_reference, cannot);
+
+	if (_reference->GetValue ()) {
+		_gain->wrapped()->Enable (false);
+		_gain_calculate_button->Enable (false);
+		_show->Enable (true);
+		_peak->Enable (false);
+		_delay->wrapped()->Enable (false);
+		_mapping->Enable (false);
+		_description->Enable (false);
+	} else {
+		_gain->wrapped()->Enable (sel.size() == 1);
+		_gain_calculate_button->Enable (sel.size() == 1);
+		_show->Enable (sel.size() == 1);
+		_peak->Enable (sel.size() == 1);
+		_delay->wrapped()->Enable (sel.size() == 1);
+		_mapping->Enable (sel.size() == 1);
+		_description->Enable (sel.size() == 1);
+	}
 }
 
 void
@@ -201,87 +360,97 @@ AudioPanel::show_clicked ()
 		_audio_dialog = 0;
 	}
 
-	shared_ptr<Content> c = _editor->selected_content ();
-	if (!c) {
+	ContentList ac = _parent->selected_audio ();
+	if (ac.size() != 1) {
 		return;
 	}
 
-	shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c);
-	if (!ac) {
-		return;
-	}
-	
-	_audio_dialog = new AudioDialog (this);
+	_audio_dialog = new AudioDialog (this, _parent->film (), ac.front ());
 	_audio_dialog->Show ();
-	_audio_dialog->set_content (ac);
 }
 
-void
-AudioPanel::stream_changed ()
+/** @return If there is one selected piece of audio content, return its peak value in dB (if known) */
+optional<float>
+AudioPanel::peak () const
 {
-	shared_ptr<Content> c = _editor->selected_content ();
-	if (!c) {
-		return;
-	}
-	
-	shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
-	if (!fc) {
-		return;
-	}
+	optional<float> peak_dB;
 
-	if (_stream->GetSelection() == -1) {
-		return;
-	}
-	
-	vector<shared_ptr<FFmpegAudioStream> > a = fc->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) {
-		++i;
-	}
+	ContentList sel = _parent->selected_audio ();
+	if (sel.size() == 1) {
+		shared_ptr<Playlist> playlist (new Playlist);
+		playlist->add (_parent->film(), sel.front());
+		try {
+			shared_ptr<AudioAnalysis> analysis (new AudioAnalysis(_parent->film()->audio_analysis_path(playlist)));
+			peak_dB = linear_to_db(analysis->overall_sample_peak().first.peak) + analysis->gain_correction(playlist);
+		} catch (...) {
 
-	if (i != a.end ()) {
-		fc->set_audio_stream (*i);
+		}
 	}
 
-	setup_stream_description ();
+	return peak_dB;
 }
 
 void
-AudioPanel::setup_stream_description ()
+AudioPanel::setup_peak ()
 {
-	shared_ptr<Content> c = _editor->selected_content ();
-	if (!c) {
-		return;
-	}
-	
-	shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
-	if (!fc) {
-		return;
-	}
+	ContentList sel = _parent->selected_audio ();
 
-	if (!fc->audio_stream ()) {
-		_description->SetLabel (wxT (""));
+	optional<float> peak_dB = peak ();
+	if (sel.size() != 1) {
+		_peak->SetLabel (wxT(""));
 	} else {
-		wxString s;
-		if (fc->audio_channels() == 1) {
-			s << _("1 channel");
+		peak_dB = peak ();
+		if (peak_dB) {
+			_peak->SetLabel (wxString::Format(_("Peak: %.2fdB"), *peak_dB));
 		} else {
-			s << fc->audio_channels() << wxT (" ") << _("channels");
+			_peak->SetLabel (_("Peak: unknown"));
 		}
-		s << wxT (", ") << fc->content_audio_frame_rate() << _("Hz");
-		_description->SetLabel (s);
+	}
+
+	static wxColour normal = _peak->GetForegroundColour ();
+
+	if (peak_dB && *peak_dB > -0.5) {
+		_peak->SetForegroundColour (wxColour (255, 0, 0));
+	} else if (peak_dB && *peak_dB > -3) {
+		_peak->SetForegroundColour (wxColour (186, 120, 0));
+	} else {
+		_peak->SetForegroundColour (normal);
 	}
 }
 
 void
-AudioPanel::mapping_changed (AudioMapping m)
+AudioPanel::active_jobs_changed (optional<string> old_active, optional<string> new_active)
 {
-	shared_ptr<AudioContent> c = _editor->selected_audio_content ();
-	if (!c) {
+	if (old_active && *old_active == "analyse_audio") {
+		setup_peak ();
+		_mapping->Enable (true);
+	} else if (new_active && *new_active == "analyse_audio") {
+		_mapping->Enable (false);
+	}
+}
+
+void
+AudioPanel::reference_clicked ()
+{
+	ContentList c = _parent->selected ();
+	if (c.size() != 1) {
+		return;
+	}
+
+	shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (c.front ());
+	if (!d) {
 		return;
 	}
 
-	c->set_audio_mapping (m);
+	d->set_reference_audio (_reference->GetValue ());
 }
 
+void
+AudioPanel::set_film (shared_ptr<Film>)
+{
+	/* We are changing film, so destroy any audio dialog for the old one */
+	if (_audio_dialog) {
+		_audio_dialog->Destroy ();
+		_audio_dialog = 0;
+	}
+}