2 * Copyright (C) 2010-2011 David Robillard <d@drobilla.net>
3 * Copyright (C) 2010-2016 Paul Davis <paul@linuxaudiosystems.com>
4 * Copyright (C) 2014-2016 Robin Gareus <robin@gareus.org>
5 * Copyright (C) 2016 Tim Mayberry <mojofunk@gmail.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "pbd/error.h"
24 #include "ardour/speaker.h"
25 #include "ardour/speakers.h"
29 using namespace ARDOUR;
33 Speaker::Speaker (int i, const AngularVector& position)
39 Speaker::Speaker (Speaker const & o)
48 Speaker::operator= (Speaker const & o)
62 Speaker::move (const AngularVector& new_position)
64 _angles = new_position;
65 _angles.cartesian (_coords);
67 PositionChanged (); /* EMIT SIGNAL */
74 Speakers::Speakers (const Speakers& s)
77 _speakers = s._speakers;
80 Speakers::~Speakers ()
85 Speakers::operator= (const Speakers& s)
88 _speakers = s._speakers;
94 Speakers::dump_speakers (ostream& o)
96 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
97 o << "Speaker " << (*i).id << " @ "
98 << (*i).coords().x << ", " << (*i).coords().y << ", " << (*i).coords().z
99 << " azimuth " << (*i).angles().azi
100 << " elevation " << (*i).angles().ele
101 << " distance " << (*i).angles().length
107 Speakers::clear_speakers ()
114 Speakers::add_speaker (const AngularVector& position)
116 int id = _speakers.size();
118 _speakers.push_back (Speaker (id, position));
127 Speakers::remove_speaker (int id)
129 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
131 i = _speakers.erase (i);
139 Speakers::move_speaker (int id, const AngularVector& new_position)
141 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
143 (*i).move (new_position);
151 Speakers::setup_default_speakers (uint32_t n)
155 /* default assignment of speaker position for n speakers */
161 add_speaker (AngularVector (o +0.0, 0.0));
165 add_speaker (AngularVector (o +60.0, 0.0));
166 add_speaker (AngularVector (o -60.0, 0.0));
170 add_speaker (AngularVector (o +60.0, 0.0));
171 add_speaker (AngularVector (o -60.0, 0.0));
172 add_speaker (AngularVector (o +180.0, 0.0));
175 /* 4.0 with regular spacing */
176 add_speaker (AngularVector (o +45.0, 0.0));
177 add_speaker (AngularVector (o -45.0, 0.0));
178 add_speaker (AngularVector (o +135.0, 0.0));
179 add_speaker (AngularVector (o -135.0, 0.0));
182 /* 5.0 with regular spacing */
183 add_speaker (AngularVector (o +72.0, 0.0));
184 add_speaker (AngularVector (o -72.0, 0.0));
185 add_speaker (AngularVector (o +0.0, 0.0));
186 add_speaker (AngularVector (o +144.0, 0.0));
187 add_speaker (AngularVector (o -144.0, 0.0));
190 /* 6.0 with regular spacing */
191 add_speaker (AngularVector (o +60.0, 0.0));
192 add_speaker (AngularVector (o -60.0, 0.0));
193 add_speaker (AngularVector (o +0.0, 0.0));
194 add_speaker (AngularVector (o +120.0, 0.0));
195 add_speaker (AngularVector (o -120.0, 0.0));
196 add_speaker (AngularVector (o +180.0, 0.0));
199 /* 7.0 with regular front spacing */
200 add_speaker (AngularVector (o +45.0, 0.0));
201 add_speaker (AngularVector (o -45.0, 0.0));
202 add_speaker (AngularVector (o +0.0, 0.0));
203 add_speaker (AngularVector (o +90.0, 0.0));
204 add_speaker (AngularVector (o -90.0, 0.0));
205 add_speaker (AngularVector (o +150.0, 0.0));
206 add_speaker (AngularVector (o -150.0, 0.0));
209 /* 5+4 with 45°/90° spacing */
210 add_speaker (AngularVector (o +45.0, 0.0));
211 add_speaker (AngularVector (o -45.0, 0.0));
212 add_speaker (AngularVector (o +0.0, 0.0));
213 add_speaker (AngularVector (o +135.0, 0.0));
214 add_speaker (AngularVector (o -135.0, 0.0));
215 add_speaker (AngularVector (o +45.0, 60.0));
216 add_speaker (AngularVector (o -45.0, 60.0));
217 add_speaker (AngularVector (o +135.0, 60.0));
218 add_speaker (AngularVector (o -135.0, 60.0));
219 add_speaker (AngularVector (o +0.0, 90.0));
224 double degree_step = 360.0 / n;
228 /* even number of speakers? make sure the top two are either side of "top".
229 otherwise, just start at the "top" (90.0 degrees) and rotate around
233 deg = 360 + o + degree_step;
237 for (i = 0; i < n; ++i, deg -= degree_step) {
238 add_speaker (AngularVector (fmod(deg, 360), 0.0));
245 Speakers::get_state ()
247 XMLNode* node = new XMLNode (X_("Speakers"));
249 for (vector<Speaker>::const_iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
250 XMLNode* speaker = new XMLNode (X_("Speaker"));
252 speaker->set_property (X_("azimuth"), (*i).angles().azi);
253 speaker->set_property (X_("elevation"), (*i).angles().ele);
254 speaker->set_property (X_("distance"), (*i).angles().length);
256 node->add_child_nocopy (*speaker);
263 Speakers::set_state (const XMLNode& node, int /*version*/)
265 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));