Merge branch '1.0' into 1.0-multiple-selection
[dcpomatic.git] / src / wx / audio_panel.cc
1 /*
2     Copyright (C) 2012-2013 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 <boost/lexical_cast.hpp>
21 #include <wx/spinctrl.h>
22 #include "lib/config.h"
23 #include "lib/sound_processor.h"
24 #include "lib/ffmpeg_content.h"
25 #include "audio_dialog.h"
26 #include "audio_panel.h"
27 #include "audio_mapping_view.h"
28 #include "wx_util.h"
29 #include "gain_calculator_dialog.h"
30 #include "film_editor.h"
31
32 using std::vector;
33 using std::cout;
34 using std::string;
35 using boost::dynamic_pointer_cast;
36 using boost::lexical_cast;
37 using boost::shared_ptr;
38
39 AudioPanel::AudioPanel (FilmEditor* e)
40         : FilmEditorPanel (e, _("Audio"))
41         , _audio_dialog (0)
42 {
43         wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
44         _sizer->Add (grid, 0, wxALL, 8);
45
46         int r = 0;
47
48         _show = new wxButton (this, wxID_ANY, _("Show Audio..."));
49         grid->Add (_show, wxGBPosition (r, 0));
50         ++r;
51
52         add_label_to_grid_bag_sizer (grid, this, _("Audio Gain"), true, wxGBPosition (r, 0));
53         _gain = new ContentSpinCtrl<AudioContent> (
54                 this,
55                 new wxSpinCtrl (this),
56                 AudioContentProperty::AUDIO_GAIN,
57                 boost::mem_fn (&AudioContent::audio_gain),
58                 boost::mem_fn (&AudioContent::set_audio_gain)
59                 );
60         
61         _gain->add (grid, wxGBPosition (r, 1));
62         add_label_to_grid_bag_sizer (grid, this, _("dB"), false, wxGBPosition (r, 2));
63         _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
64         grid->Add (_gain_calculate_button, wxGBPosition (r, 3));
65         ++r;
66
67         add_label_to_grid_bag_sizer (grid, this, _("Audio Delay"), false, wxGBPosition (r, 0));
68         _delay = new ContentSpinCtrl<AudioContent> (
69                 this,
70                 new wxSpinCtrl (this),
71                 AudioContentProperty::AUDIO_DELAY,
72                 boost::mem_fn (&AudioContent::audio_delay),
73                 boost::mem_fn (&AudioContent::set_audio_delay)
74                 );
75         
76         _delay->add (grid, wxGBPosition (r,1 ));
77         /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
78         add_label_to_grid_bag_sizer (grid, this, _("ms"), false, wxGBPosition (r, 2));
79         ++r;
80
81         add_label_to_grid_bag_sizer (grid, this, _("Audio Stream"), true, wxGBPosition (r, 0));
82         _stream = new wxChoice (this, wxID_ANY);
83         grid->Add (_stream, wxGBPosition (r, 1));
84         ++r;
85         
86         _description = new wxStaticText (this, wxID_ANY, wxT (""));
87         grid->Add (_description, wxGBPosition (r, 0));
88         ++r;
89         
90         _mapping = new AudioMappingView (this);
91         _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
92
93         _gain->wrapped()->SetRange (-60, 60);
94         _delay->wrapped()->SetRange (-1000, 1000);
95
96         _stream->Bind                (wxEVT_COMMAND_CHOICE_SELECTED,  boost::bind (&AudioPanel::stream_changed, this));
97         _show->Bind                  (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::show_clicked, this));
98         _gain_calculate_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
99
100         _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
101 }
102
103
104 void
105 AudioPanel::film_changed (Film::Property property)
106 {
107         switch (property) {
108         case Film::AUDIO_CHANNELS:
109                 _mapping->set_channels (_editor->film()->audio_channels ());
110                 _sizer->Layout ();
111                 break;
112         default:
113                 break;
114         }
115 }
116
117 void
118 AudioPanel::film_content_changed (int property)
119 {
120         AudioContentList ac = _editor->selected_audio_content ();
121         shared_ptr<AudioContent> acs;
122         shared_ptr<FFmpegContent> fcs;
123         if (ac.size() == 1) {
124                 acs = ac.front ();
125                 fcs = dynamic_pointer_cast<FFmpegContent> (acs);
126         }
127         
128         if (_audio_dialog && acs) {
129                 _audio_dialog->set_content (acs);
130         }
131         
132         if (property == AudioContentProperty::AUDIO_MAPPING) {
133                 _mapping->set (acs ? acs->audio_mapping () : AudioMapping ());
134                 _sizer->Layout ();
135         } else if (property == FFmpegContentProperty::AUDIO_STREAM) {
136                 setup_stream_description ();
137                 _mapping->set (acs ? acs->audio_mapping () : AudioMapping ());
138         } else if (property == FFmpegContentProperty::AUDIO_STREAMS) {
139                 _stream->Clear ();
140                 if (fcs) {
141                         vector<shared_ptr<FFmpegAudioStream> > a = fcs->audio_streams ();
142                         for (vector<shared_ptr<FFmpegAudioStream> >::iterator i = a.begin(); i != a.end(); ++i) {
143                                 _stream->Append (std_to_wx ((*i)->name), new wxStringClientData (std_to_wx (lexical_cast<string> ((*i)->id))));
144                         }
145                         
146                         if (fcs->audio_stream()) {
147                                 checked_set (_stream, lexical_cast<string> (fcs->audio_stream()->id));
148                                 setup_stream_description ();
149                         }
150                 }
151         }
152 }
153
154 void
155 AudioPanel::gain_calculate_button_clicked ()
156 {
157         GainCalculatorDialog* d = new GainCalculatorDialog (this);
158         d->ShowModal ();
159
160         if (d->wanted_fader() == 0 || d->actual_fader() == 0) {
161                 d->Destroy ();
162                 return;
163         }
164         
165         _gain->wrapped()->SetValue (
166                 Config::instance()->sound_processor()->db_for_fader_change (
167                         d->wanted_fader (),
168                         d->actual_fader ()
169                         )
170                 );
171
172         /* This appears to be necessary, as the change is not signalled,
173            I think.
174         */
175         _gain->update_from_model ();
176         
177         d->Destroy ();
178 }
179
180 void
181 AudioPanel::show_clicked ()
182 {
183         if (_audio_dialog) {
184                 _audio_dialog->Destroy ();
185                 _audio_dialog = 0;
186         }
187
188         AudioContentList ac = _editor->selected_audio_content ();
189         if (ac.size() != 1) {
190                 return;
191         }
192         
193         _audio_dialog = new AudioDialog (this);
194         _audio_dialog->Show ();
195         _audio_dialog->set_content (ac.front ());
196 }
197
198 void
199 AudioPanel::stream_changed ()
200 {
201         FFmpegContentList fc = _editor->selected_ffmpeg_content ();
202         if (fc.size() != 1) {
203                 return;
204         }
205
206         shared_ptr<FFmpegContent> fcs = fc.front ();
207         
208         if (_stream->GetSelection() == -1) {
209                 return;
210         }
211         
212         vector<shared_ptr<FFmpegAudioStream> > a = fcs->audio_streams ();
213         vector<shared_ptr<FFmpegAudioStream> >::iterator i = a.begin ();
214         string const s = string_client_data (_stream->GetClientObject (_stream->GetSelection ()));
215         while (i != a.end() && lexical_cast<string> ((*i)->id) != s) {
216                 ++i;
217         }
218
219         if (i != a.end ()) {
220                 fcs->set_audio_stream (*i);
221         }
222
223         setup_stream_description ();
224 }
225
226 void
227 AudioPanel::setup_stream_description ()
228 {
229         FFmpegContentList fc = _editor->selected_ffmpeg_content ();
230         if (fc.size() != 1) {
231                 return;
232         }
233
234         shared_ptr<FFmpegContent> fcs = fc.front ();
235
236         if (!fcs->audio_stream ()) {
237                 _description->SetLabel (wxT (""));
238         } else {
239                 wxString s;
240                 if (fcs->audio_channels() == 1) {
241                         s << _("1 channel");
242                 } else {
243                         s << fcs->audio_channels() << wxT (" ") << _("channels");
244                 }
245                 s << wxT (", ") << fcs->content_audio_frame_rate() << _("Hz");
246                 _description->SetLabel (s);
247         }
248 }
249
250 void
251 AudioPanel::mapping_changed (AudioMapping m)
252 {
253         AudioContentList c = _editor->selected_audio_content ();
254         if (c.size() == 1) {
255                 c.front()->set_audio_mapping (m);
256         }
257 }
258
259 void
260 AudioPanel::content_selection_changed ()
261 {
262         AudioContentList sel = _editor->selected_audio_content ();
263         
264         _gain->set_content (sel);
265         _delay->set_content (sel);
266
267         _show->Enable (sel.size() == 1);
268         _stream->Enable (sel.size() == 1);
269         _mapping->Enable (sel.size() == 1);
270
271         film_content_changed (AudioContentProperty::AUDIO_MAPPING);
272         film_content_changed (FFmpegContentProperty::AUDIO_STREAM);
273         film_content_changed (FFmpegContentProperty::AUDIO_STREAMS);
274 }