Tidy up creation of analysis a bit.
[dcpomatic.git] / src / wx / audio_dialog.cc
index 7f87ee5fd4ee6b19b60940589c13b5051e22ae73..89b04409a816d90899c6209844da93a094280fa6 100644 (file)
+/*
+    Copyright (C) 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/filesystem.hpp>
 #include "audio_dialog.h"
 #include "audio_plot.h"
 #include "audio_analysis.h"
 #include "film.h"
+#include "wx_util.h"
 
 using boost::shared_ptr;
+using boost::bind;
 
-AudioDialog::AudioDialog (wxWindow* parent, boost::shared_ptr<Film> film)
+AudioDialog::AudioDialog (wxWindow* parent)
        : wxDialog (parent, wxID_ANY, _("Audio"), wxDefaultPosition, wxSize (640, 512), wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
+       , _plot (0)
 {
-       wxBoxSizer* sizer = new wxBoxSizer (wxVERTICAL);
+       wxBoxSizer* sizer = new wxBoxSizer (wxHORIZONTAL);
 
-       shared_ptr<AudioAnalysis> a;
-       
-       try {
-               a.reset (new AudioAnalysis (film->audio_analysis_path ()));
-               _plot = new AudioPlot (this, a, 0);
-               sizer->Add (_plot, 1);
-       } catch (...) {
-               
-       }
+       _plot = new AudioPlot (this);
+       sizer->Add (_plot, 1);
+
+       wxFlexGridSizer* table = new wxFlexGridSizer (2, 6, 6);
+
+       add_label_to_sizer (table, this, _("Channel"));
+       _channel = new wxChoice (this, wxID_ANY);
+       table->Add (_channel, 1, wxEXPAND | wxALL, 6);
+
+       sizer->Add (table);
 
        SetSizer (sizer);
        sizer->Layout ();
        sizer->SetSizeHints (this);
+
+       _channel->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (AudioDialog::channel_changed), 0, this);
+}
+
+void
+AudioDialog::set_film (boost::shared_ptr<Film> f)
+{
+       _film_changed_connection.disconnect ();
+       _film_audio_analysis_finished_connection.disconnect ();
+       
+       _film = f;
+
+       try_to_load_analysis ();
+       setup_channels ();
+
+       _channel->SetSelection (0);
+
+       _film_changed_connection = _film->Changed.connect (bind (&AudioDialog::film_changed, this, _1));
+       _film_audio_analysis_finished_connection = _film->AudioAnalysisFinished.connect (bind (&AudioDialog::try_to_load_analysis, this));
 }
 
+void
+AudioDialog::setup_channels ()
+{
+       _channel->Clear ();
+
+       if (!_film->audio_stream()) {
+               return;
+       }
+       
+       for (int i = 0; i < _film->audio_stream()->channels(); ++i) {
+               _channel->Append (audio_channel_name (i));
+       }
+}      
+
+void
+AudioDialog::try_to_load_analysis ()
+{
+       shared_ptr<AudioAnalysis> a;
+
+       if (boost::filesystem::exists (_film->audio_analysis_path())) {
+               a.reset (new AudioAnalysis (_film->audio_analysis_path ()));
+       } else {
+               if (IsShown ()) {
+                       _film->analyse_audio ();
+               }
+       }
+               
+       _plot->set_analysis (a);
+}
+
+void
+AudioDialog::channel_changed (wxCommandEvent &)
+{
+       _plot->set_channel (_channel->GetSelection ());
+}
+
+void
+AudioDialog::film_changed (Film::Property p)
+{
+       switch (p) {
+       case Film::AUDIO_GAIN:
+               _plot->set_gain (_film->audio_gain ());
+               break;
+       case Film::CONTENT_AUDIO_STREAM:
+       case Film::EXTERNAL_AUDIO:
+       case Film::USE_CONTENT_AUDIO:
+               setup_channels ();
+               break;
+       default:
+               break;
+       }
+}