1 files changed, 288 insertions, 0 deletions
diff --git a/src/wx/audio_panel.cc b/src/wx/audio_panel.cc
new file mode 100644
index 000000000..b4921904c
--- /dev/null
+++ b/src/wx/audio_panel.cc
@@ -0,0 +1,288 @@
+/*
+    Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
+
+    This program 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,
+    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.
+
+*/
+
+#include <boost/lexical_cast.hpp>
+#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"
+#include "wx_util.h"
+#include "gain_calculator_dialog.h"
+#include "film_editor.h"
+
+using std::vector;
+using std::cout;
+using std::string;
+using boost::dynamic_pointer_cast;
+using boost::lexical_cast;
+using boost::shared_ptr;
+
+AudioPanel::AudioPanel (FilmEditor* e)
+	: FilmEditorPanel (e, _("Audio"))
+	, _audio_dialog (0)
+{
+	wxFlexGridSizer* grid = new wxFlexGridSizer (3, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
+	_sizer->Add (grid, 0, wxALL, 8);
+
+	_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);
+	}
+	
+	_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);
+
+	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->SetRange (-60, 60);
+	_delay->SetRange (-1000, 1000);
+
+	_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));
+
+	_mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
+}
+
+
+void
+AudioPanel::film_changed (Film::Property property)
+{
+	switch (property) {
+	case Film::AUDIO_CHANNELS:
+		_mapping->set_channels (_editor->film()->audio_channels ());
+		_sizer->Layout ();
+		break;
+	default:
+		break;
+	}
+}
+
+void
+AudioPanel::film_content_changed (shared_ptr<Content> c, int property)
+{
+	shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c);
+	shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
+
+	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 ());
+		_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 ();
+			}
+		}
+	}
+}
+
+void
+AudioPanel::gain_changed ()
+{
+	shared_ptr<AudioContent> ac = _editor->selected_audio_content ();
+	if (!ac) {
+		return;
+	}
+
+	ac->set_audio_gain (_gain->GetValue ());
+}
+
+void
+AudioPanel::delay_changed ()
+{
+	shared_ptr<AudioContent> ac = _editor->selected_audio_content ();
+	if (!ac) {
+		return;
+	}
+
+	ac->set_audio_delay (_delay->GetValue ());
+}
+
+void
+AudioPanel::gain_calculate_button_clicked ()
+{
+	GainCalculatorDialog* d = new GainCalculatorDialog (this);
+	d->ShowModal ();
+
+	if (d->wanted_fader() == 0 || d->actual_fader() == 0) {
+		d->Destroy ();
+		return;
+	}
+	
+	_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 ();
+}
+
+void
+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) {
+		return;
+	}
+	
+	_audio_dialog = new AudioDialog (this);
+	_audio_dialog->Show ();
+	_audio_dialog->set_content (ac);
+}
+
+void
+AudioPanel::stream_changed ()
+{
+	shared_ptr<Content> c = _editor->selected_content ();
+	if (!c) {
+		return;
+	}
+	
+	shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
+	if (!fc) {
+		return;
+	}
+
+	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;
+	}
+
+	if (i != a.end ()) {
+		fc->set_audio_stream (*i);
+	}
+
+	setup_stream_description ();
+}
+
+void
+AudioPanel::setup_stream_description ()
+{
+	shared_ptr<Content> c = _editor->selected_content ();
+	if (!c) {
+		return;
+	}
+	
+	shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
+	if (!fc) {
+		return;
+	}
+
+	if (!fc->audio_stream ()) {
+		_description->SetLabel (wxT (""));
+	} else {
+		wxString s;
+		if (fc->audio_channels() == 1) {
+			s << _("1 channel");
+		} else {
+			s << fc->audio_channels() << wxT (" ") << _("channels");
+		}
+		s << wxT (", ") << fc->content_audio_frame_rate() << _("Hz");
+		_description->SetLabel (s);
+	}
+}
+
+void
+AudioPanel::mapping_changed (AudioMapping m)
+{
+	shared_ptr<AudioContent> c = _editor->selected_audio_content ();
+	if (!c) {
+		return;
+	}
+
+	c->set_audio_mapping (m);
+}
+