2 Copyright (C) 2010 Paul Davis
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.
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.
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.
19 #include "pbd/error.h"
20 #include "pbd/locale_guard.h"
22 #include "ardour/speaker.h"
23 #include "ardour/speakers.h"
27 using namespace ARDOUR;
31 Speaker::Speaker (int i, const AngularVector& position)
37 Speaker::Speaker (Speaker const & o)
46 Speaker::operator= (Speaker const & o)
60 Speaker::move (const AngularVector& new_position)
62 _angles = new_position;
63 _angles.cartesian (_coords);
65 PositionChanged (); /* EMIT SIGNAL */
72 Speakers::Speakers (const Speakers& s)
75 _speakers = s._speakers;
78 Speakers::~Speakers ()
83 Speakers::operator= (const Speakers& s)
86 _speakers = s._speakers;
92 Speakers::dump_speakers (ostream& o)
94 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
95 o << "Speaker " << (*i).id << " @ "
96 << (*i).coords().x << ", " << (*i).coords().y << ", " << (*i).coords().z
97 << " azimuth " << (*i).angles().azi
98 << " elevation " << (*i).angles().ele
99 << " distance " << (*i).angles().length
105 Speakers::clear_speakers ()
112 Speakers::add_speaker (const AngularVector& position)
114 int id = _speakers.size();
116 _speakers.push_back (Speaker (id, position));
125 Speakers::remove_speaker (int id)
127 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
129 i = _speakers.erase (i);
137 Speakers::move_speaker (int id, const AngularVector& new_position)
139 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
141 (*i).move (new_position);
149 Speakers::setup_default_speakers (uint32_t n)
153 /* default assignment of speaker position for n speakers */
159 add_speaker (AngularVector (o +0.0, 0.0));
163 add_speaker (AngularVector (o +60.0, 0.0));
164 add_speaker (AngularVector (o -60.0, 0.0));
168 add_speaker (AngularVector (o +60.0, 0.0));
169 add_speaker (AngularVector (o -60.0, 0.0));
170 add_speaker (AngularVector (o +180.0, 0.0));
173 /* 4.0 with regular spacing */
174 add_speaker (AngularVector (o +45.0, 0.0));
175 add_speaker (AngularVector (o -45.0, 0.0));
176 add_speaker (AngularVector (o +135.0, 0.0));
177 add_speaker (AngularVector (o -135.0, 0.0));
180 /* 5.0 with regular spacing */
181 add_speaker (AngularVector (o +72.0, 0.0));
182 add_speaker (AngularVector (o -72.0, 0.0));
183 add_speaker (AngularVector (o +0.0, 0.0));
184 add_speaker (AngularVector (o +144.0, 0.0));
185 add_speaker (AngularVector (o -144.0, 0.0));
188 /* 6.0 with regular spacing */
189 add_speaker (AngularVector (o +60.0, 0.0));
190 add_speaker (AngularVector (o -60.0, 0.0));
191 add_speaker (AngularVector (o +0.0, 0.0));
192 add_speaker (AngularVector (o +120.0, 0.0));
193 add_speaker (AngularVector (o -120.0, 0.0));
194 add_speaker (AngularVector (o +180.0, 0.0));
197 /* 7.0 with regular front spacing */
198 add_speaker (AngularVector (o +45.0, 0.0));
199 add_speaker (AngularVector (o -45.0, 0.0));
200 add_speaker (AngularVector (o +0.0, 0.0));
201 add_speaker (AngularVector (o +90.0, 0.0));
202 add_speaker (AngularVector (o -90.0, 0.0));
203 add_speaker (AngularVector (o +150.0, 0.0));
204 add_speaker (AngularVector (o -150.0, 0.0));
207 /* 5+4 with 45°/90° spacing */
208 add_speaker (AngularVector (o +45.0, 0.0));
209 add_speaker (AngularVector (o -45.0, 0.0));
210 add_speaker (AngularVector (o +0.0, 0.0));
211 add_speaker (AngularVector (o +135.0, 0.0));
212 add_speaker (AngularVector (o -135.0, 0.0));
213 add_speaker (AngularVector (o +45.0, 60.0));
214 add_speaker (AngularVector (o -45.0, 60.0));
215 add_speaker (AngularVector (o +135.0, 60.0));
216 add_speaker (AngularVector (o -135.0, 60.0));
217 add_speaker (AngularVector (o +0.0, 90.0));
222 double degree_step = 360.0 / n;
226 /* even number of speakers? make sure the top two are either side of "top".
227 otherwise, just start at the "top" (90.0 degrees) and rotate around
231 deg = 360 + o + degree_step;
235 for (i = 0; i < n; ++i, deg -= degree_step) {
236 add_speaker (AngularVector (fmod(deg, 360), 0.0));
243 Speakers::get_state ()
245 XMLNode* node = new XMLNode (X_("Speakers"));
248 for (vector<Speaker>::const_iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
249 XMLNode* speaker = new XMLNode (X_("Speaker"));
251 speaker->set_property (X_("azimuth"), (*i).angles().azi);
252 speaker->set_property (X_("elevation"), (*i).angles().ele);
253 speaker->set_property (X_("distance"), (*i).angles().length);
255 node->add_child_nocopy (*speaker);
262 Speakers::set_state (const XMLNode& node, int /*version*/)
264 XMLNodeConstIterator i;
269 for (i = node.children().begin(); i != node.children().end(); ++i) {
270 if ((*i)->name() == X_("Speaker")) {
272 if (!(*i)->get_property (X_("azimuth"), a) ||
273 !(*i)->get_property (X_("elevation"), e) ||
274 !(*i)->get_property (X_("distance"), d)) {
275 warning << _("Speaker information is missing - speaker ignored") << endmsg;
279 add_speaker (AngularVector (a, e, d));