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"
21 #include "ardour/speaker.h"
22 #include "ardour/speakers.h"
26 using namespace ARDOUR;
30 Speaker::Speaker (int i, const AngularVector& position)
36 Speaker::Speaker (Speaker const & o)
45 Speaker::operator= (Speaker const & o)
59 Speaker::move (const AngularVector& new_position)
61 _angles = new_position;
62 _angles.cartesian (_coords);
64 PositionChanged (); /* EMIT SIGNAL */
71 Speakers::Speakers (const Speakers& s)
74 _speakers = s._speakers;
77 Speakers::~Speakers ()
82 Speakers::operator= (const Speakers& s)
85 _speakers = s._speakers;
91 Speakers::dump_speakers (ostream& o)
93 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
94 o << "Speaker " << (*i).id << " @ "
95 << (*i).coords().x << ", " << (*i).coords().y << ", " << (*i).coords().z
96 << " azimuth " << (*i).angles().azi
97 << " elevation " << (*i).angles().ele
98 << " distance " << (*i).angles().length
104 Speakers::clear_speakers ()
111 Speakers::add_speaker (const AngularVector& position)
113 int id = _speakers.size();
115 _speakers.push_back (Speaker (id, position));
124 Speakers::remove_speaker (int id)
126 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
128 i = _speakers.erase (i);
136 Speakers::move_speaker (int id, const AngularVector& new_position)
138 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
140 (*i).move (new_position);
148 Speakers::setup_default_speakers (uint32_t n)
152 /* default assignment of speaker position for n speakers */
158 add_speaker (AngularVector (o +0.0, 0.0));
162 add_speaker (AngularVector (o +60.0, 0.0));
163 add_speaker (AngularVector (o -60.0, 0.0));
167 add_speaker (AngularVector (o +60.0, 0.0));
168 add_speaker (AngularVector (o -60.0, 0.0));
169 add_speaker (AngularVector (o +180.0, 0.0));
172 /* 4.0 with regular spacing */
173 add_speaker (AngularVector (o +45.0, 0.0));
174 add_speaker (AngularVector (o -45.0, 0.0));
175 add_speaker (AngularVector (o +135.0, 0.0));
176 add_speaker (AngularVector (o -135.0, 0.0));
179 /* 5.0 with regular spacing */
180 add_speaker (AngularVector (o +72.0, 0.0));
181 add_speaker (AngularVector (o -72.0, 0.0));
182 add_speaker (AngularVector (o +0.0, 0.0));
183 add_speaker (AngularVector (o +144.0, 0.0));
184 add_speaker (AngularVector (o -144.0, 0.0));
187 /* 6.0 with regular spacing */
188 add_speaker (AngularVector (o +60.0, 0.0));
189 add_speaker (AngularVector (o -60.0, 0.0));
190 add_speaker (AngularVector (o +0.0, 0.0));
191 add_speaker (AngularVector (o +120.0, 0.0));
192 add_speaker (AngularVector (o -120.0, 0.0));
193 add_speaker (AngularVector (o +180.0, 0.0));
196 /* 7.0 with regular front spacing */
197 add_speaker (AngularVector (o +45.0, 0.0));
198 add_speaker (AngularVector (o -45.0, 0.0));
199 add_speaker (AngularVector (o +0.0, 0.0));
200 add_speaker (AngularVector (o +90.0, 0.0));
201 add_speaker (AngularVector (o -90.0, 0.0));
202 add_speaker (AngularVector (o +150.0, 0.0));
203 add_speaker (AngularVector (o -150.0, 0.0));
206 /* 5+4 with 45°/90° spacing */
207 add_speaker (AngularVector (o +45.0, 0.0));
208 add_speaker (AngularVector (o -45.0, 0.0));
209 add_speaker (AngularVector (o +0.0, 0.0));
210 add_speaker (AngularVector (o +135.0, 0.0));
211 add_speaker (AngularVector (o -135.0, 0.0));
212 add_speaker (AngularVector (o +45.0, 60.0));
213 add_speaker (AngularVector (o -45.0, 60.0));
214 add_speaker (AngularVector (o +135.0, 60.0));
215 add_speaker (AngularVector (o -135.0, 60.0));
216 add_speaker (AngularVector (o +0.0, 90.0));
221 double degree_step = 360.0 / n;
225 /* even number of speakers? make sure the top two are either side of "top".
226 otherwise, just start at the "top" (90.0 degrees) and rotate around
230 deg = 360 + o + degree_step;
234 for (i = 0; i < n; ++i, deg -= degree_step) {
235 add_speaker (AngularVector (fmod(deg, 360), 0.0));
242 Speakers::get_state ()
244 XMLNode* node = new XMLNode (X_("Speakers"));
246 for (vector<Speaker>::const_iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
247 XMLNode* speaker = new XMLNode (X_("Speaker"));
249 speaker->set_property (X_("azimuth"), (*i).angles().azi);
250 speaker->set_property (X_("elevation"), (*i).angles().ele);
251 speaker->set_property (X_("distance"), (*i).angles().length);
253 node->add_child_nocopy (*speaker);
260 Speakers::set_state (const XMLNode& node, int /*version*/)
262 XMLNodeConstIterator i;
266 for (i = node.children().begin(); i != node.children().end(); ++i) {
267 if ((*i)->name() == X_("Speaker")) {
269 if (!(*i)->get_property (X_("azimuth"), a) ||
270 !(*i)->get_property (X_("elevation"), e) ||
271 !(*i)->get_property (X_("distance"), d)) {
272 warning << _("Speaker information is missing - speaker ignored") << endmsg;
276 add_speaker (AngularVector (a, e, d));