Update audio channel mapping control when a different stream is selected.
[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         wxFlexGridSizer* grid = new wxFlexGridSizer (3, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
44         _sizer->Add (grid, 0, wxALL, 8);
45
46         _show = new wxButton (this, wxID_ANY, _("Show Audio..."));
47         grid->Add (_show, 1);
48         grid->AddSpacer (0);
49         grid->AddSpacer (0);
50
51         add_label_to_sizer (grid, this, _("Audio Gain"), true);
52         {
53                 wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
54                 _gain = new wxSpinCtrl (this);
55                 s->Add (_gain, 1);
56                 add_label_to_sizer (s, this, _("dB"), false);
57                 grid->Add (s, 1);
58         }
59         
60         _gain_calculate_button = new wxButton (this, wxID_ANY, _("Calculate..."));
61         grid->Add (_gain_calculate_button);
62
63         add_label_to_sizer (grid, this, _("Audio Delay"), false);
64         {
65                 wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
66                 _delay = new wxSpinCtrl (this);
67                 s->Add (_delay, 1);
68                 /// TRANSLATORS: this is an abbreviation for milliseconds, the unit of time
69                 add_label_to_sizer (s, this, _("ms"), false);
70                 grid->Add (s);
71         }
72
73         grid->AddSpacer (0);
74
75         add_label_to_sizer (grid, this, _("Audio Stream"), true);
76         _stream = new wxChoice (this, wxID_ANY);
77         grid->Add (_stream, 1, wxEXPAND);
78         _description = new wxStaticText (this, wxID_ANY, wxT (""));
79         grid->AddSpacer (0);
80         
81         grid->Add (_description, 1, wxALIGN_CENTER_VERTICAL | wxLEFT, 8);
82         grid->AddSpacer (0);
83         grid->AddSpacer (0);
84         
85         _mapping = new AudioMappingView (this);
86         _sizer->Add (_mapping, 1, wxEXPAND | wxALL, 6);
87
88         _gain->SetRange (-60, 60);
89         _delay->SetRange (-1000, 1000);
90
91         _delay->Bind                 (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&AudioPanel::delay_changed, this));
92         _stream->Bind                (wxEVT_COMMAND_CHOICE_SELECTED,  boost::bind (&AudioPanel::stream_changed, this));
93         _show->Bind                  (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::show_clicked, this));
94         _gain->Bind                  (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&AudioPanel::gain_changed, this));
95         _gain_calculate_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED,   boost::bind (&AudioPanel::gain_calculate_button_clicked, this));
96
97         _mapping->Changed.connect (boost::bind (&AudioPanel::mapping_changed, this, _1));
98 }
99
100
101 void
102 AudioPanel::film_changed (Film::Property property)
103 {
104         switch (property) {
105         case Film::AUDIO_CHANNELS:
106                 _mapping->set_channels (_editor->film()->audio_channels ());
107                 _sizer->Layout ();
108                 break;
109         default:
110                 break;
111         }
112 }
113
114 void
115 AudioPanel::film_content_changed (shared_ptr<Content> c, int property)
116 {
117         shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c);
118         shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
119
120         if (_audio_dialog && _editor->selected_audio_content()) {
121                 _audio_dialog->set_content (_editor->selected_audio_content ());
122         }
123         
124         if (property == AudioContentProperty::AUDIO_GAIN) {
125                 checked_set (_gain, ac ? ac->audio_gain() : 0);
126         } else if (property == AudioContentProperty::AUDIO_DELAY) {
127                 checked_set (_delay, ac ? ac->audio_delay() : 0);
128         } else if (property == AudioContentProperty::AUDIO_MAPPING) {
129                 _mapping->set (ac ? ac->audio_mapping () : AudioMapping ());
130                 _sizer->Layout ();
131         } else if (property == FFmpegContentProperty::AUDIO_STREAM) {
132                 setup_stream_description ();
133                 _mapping->set (ac ? ac->audio_mapping () : AudioMapping ());
134         } else if (property == FFmpegContentProperty::AUDIO_STREAMS) {
135                 _stream->Clear ();
136                 if (fc) {
137                         vector<shared_ptr<FFmpegAudioStream> > a = fc->audio_streams ();
138                         for (vector<shared_ptr<FFmpegAudioStream> >::iterator i = a.begin(); i != a.end(); ++i) {
139                                 _stream->Append (std_to_wx ((*i)->name), new wxStringClientData (std_to_wx (lexical_cast<string> ((*i)->id))));
140                         }
141                         
142                         if (fc->audio_stream()) {
143                                 checked_set (_stream, lexical_cast<string> (fc->audio_stream()->id));
144                                 setup_stream_description ();
145                         }
146                 }
147         }
148 }
149
150 void
151 AudioPanel::gain_changed ()
152 {
153         shared_ptr<AudioContent> ac = _editor->selected_audio_content ();
154         if (!ac) {
155                 return;
156         }
157
158         ac->set_audio_gain (_gain->GetValue ());
159 }
160
161 void
162 AudioPanel::delay_changed ()
163 {
164         shared_ptr<AudioContent> ac = _editor->selected_audio_content ();
165         if (!ac) {
166                 return;
167         }
168
169         ac->set_audio_delay (_delay->GetValue ());
170 }
171
172 void
173 AudioPanel::gain_calculate_button_clicked ()
174 {
175         GainCalculatorDialog* d = new GainCalculatorDialog (this);
176         d->ShowModal ();
177
178         if (d->wanted_fader() == 0 || d->actual_fader() == 0) {
179                 d->Destroy ();
180                 return;
181         }
182         
183         _gain->SetValue (
184                 Config::instance()->sound_processor()->db_for_fader_change (
185                         d->wanted_fader (),
186                         d->actual_fader ()
187                         )
188                 );
189
190         /* This appears to be necessary, as the change is not signalled,
191            I think.
192         */
193         gain_changed ();
194         
195         d->Destroy ();
196 }
197
198 void
199 AudioPanel::show_clicked ()
200 {
201         if (_audio_dialog) {
202                 _audio_dialog->Destroy ();
203                 _audio_dialog = 0;
204         }
205
206         shared_ptr<Content> c = _editor->selected_content ();
207         if (!c) {
208                 return;
209         }
210
211         shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c);
212         if (!ac) {
213                 return;
214         }
215         
216         _audio_dialog = new AudioDialog (this);
217         _audio_dialog->Show ();
218         _audio_dialog->set_content (ac);
219 }
220
221 void
222 AudioPanel::stream_changed ()
223 {
224         shared_ptr<Content> c = _editor->selected_content ();
225         if (!c) {
226                 return;
227         }
228         
229         shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
230         if (!fc) {
231                 return;
232         }
233
234         if (_stream->GetSelection() == -1) {
235                 return;
236         }
237         
238         vector<shared_ptr<FFmpegAudioStream> > a = fc->audio_streams ();
239         vector<shared_ptr<FFmpegAudioStream> >::iterator i = a.begin ();
240         string const s = string_client_data (_stream->GetClientObject (_stream->GetSelection ()));
241         while (i != a.end() && lexical_cast<string> ((*i)->id) != s) {
242                 ++i;
243         }
244
245         if (i != a.end ()) {
246                 fc->set_audio_stream (*i);
247         }
248
249         setup_stream_description ();
250 }
251
252 void
253 AudioPanel::setup_stream_description ()
254 {
255         shared_ptr<Content> c = _editor->selected_content ();
256         if (!c) {
257                 return;
258         }
259         
260         shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c);
261         if (!fc) {
262                 return;
263         }
264
265         if (!fc->audio_stream ()) {
266                 _description->SetLabel (wxT (""));
267         } else {
268                 wxString s;
269                 if (fc->audio_channels() == 1) {
270                         s << _("1 channel");
271                 } else {
272                         s << fc->audio_channels() << wxT (" ") << _("channels");
273                 }
274                 s << wxT (", ") << fc->content_audio_frame_rate() << _("Hz");
275                 _description->SetLabel (s);
276         }
277 }
278
279 void
280 AudioPanel::mapping_changed (AudioMapping m)
281 {
282         shared_ptr<AudioContent> c = _editor->selected_audio_content ();
283         if (!c) {
284                 return;
285         }
286
287         c->set_audio_mapping (m);
288 }
289