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/convert.h"
21 #include "pbd/locale_guard.h"
23 #include "ardour/speaker.h"
24 #include "ardour/speakers.h"
28 using namespace ARDOUR;
32 Speaker::Speaker (int i, const AngularVector& position)
38 Speaker::Speaker (Speaker const & o)
47 Speaker::operator= (Speaker const & o)
61 Speaker::move (const AngularVector& new_position)
63 _angles = new_position;
64 _angles.cartesian (_coords);
66 PositionChanged (); /* EMIT SIGNAL */
73 Speakers::Speakers (const Speakers& s)
76 _speakers = s._speakers;
79 Speakers::~Speakers ()
84 Speakers::operator= (const Speakers& s)
87 _speakers = s._speakers;
93 Speakers::dump_speakers (ostream& o)
95 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
96 o << "Speaker " << (*i).id << " @ "
97 << (*i).coords().x << ", " << (*i).coords().y << ", " << (*i).coords().z
98 << " azimuth " << (*i).angles().azi
99 << " elevation " << (*i).angles().ele
100 << " distance " << (*i).angles().length
106 Speakers::clear_speakers ()
113 Speakers::add_speaker (const AngularVector& position)
115 int id = _speakers.size();
117 _speakers.push_back (Speaker (id, position));
126 Speakers::remove_speaker (int id)
128 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
130 i = _speakers.erase (i);
138 Speakers::move_speaker (int id, const AngularVector& new_position)
140 for (vector<Speaker>::iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
142 (*i).move (new_position);
150 Speakers::setup_default_speakers (uint32_t n)
154 /* default assignment of speaker position for n speakers */
160 add_speaker (AngularVector (o +0.0, 0.0));
164 add_speaker (AngularVector (o +60.0, 0.0));
165 add_speaker (AngularVector (o -60.0, 0.0));
169 add_speaker (AngularVector (o +60.0, 0.0));
170 add_speaker (AngularVector (o -60.0, 0.0));
171 add_speaker (AngularVector (o +180.0, 0.0));
174 /* 4.0 with regular spacing */
175 add_speaker (AngularVector (o +45.0, 0.0));
176 add_speaker (AngularVector (o -45.0, 0.0));
177 add_speaker (AngularVector (o +135.0, 0.0));
178 add_speaker (AngularVector (o -135.0, 0.0));
181 /* 5.0 with regular spacing */
182 add_speaker (AngularVector (o +72.0, 0.0));
183 add_speaker (AngularVector (o -72.0, 0.0));
184 add_speaker (AngularVector (o +0.0, 0.0));
185 add_speaker (AngularVector (o +144.0, 0.0));
186 add_speaker (AngularVector (o -144.0, 0.0));
189 /* 6.0 with regular spacing */
190 add_speaker (AngularVector (o +60.0, 0.0));
191 add_speaker (AngularVector (o -60.0, 0.0));
192 add_speaker (AngularVector (o +0.0, 0.0));
193 add_speaker (AngularVector (o +120.0, 0.0));
194 add_speaker (AngularVector (o -120.0, 0.0));
195 add_speaker (AngularVector (o +180.0, 0.0));
198 /* 7.0 with regular front spacing */
199 add_speaker (AngularVector (o +45.0, 0.0));
200 add_speaker (AngularVector (o -45.0, 0.0));
201 add_speaker (AngularVector (o +0.0, 0.0));
202 add_speaker (AngularVector (o +90.0, 0.0));
203 add_speaker (AngularVector (o -90.0, 0.0));
204 add_speaker (AngularVector (o +150.0, 0.0));
205 add_speaker (AngularVector (o -150.0, 0.0));
208 /* 5+4 with 45°/90° spacing */
209 add_speaker (AngularVector (o +45.0, 0.0));
210 add_speaker (AngularVector (o -45.0, 0.0));
211 add_speaker (AngularVector (o +0.0, 0.0));
212 add_speaker (AngularVector (o +135.0, 0.0));
213 add_speaker (AngularVector (o -135.0, 0.0));
214 add_speaker (AngularVector (o +45.0, 60.0));
215 add_speaker (AngularVector (o -45.0, 60.0));
216 add_speaker (AngularVector (o +135.0, 60.0));
217 add_speaker (AngularVector (o -135.0, 60.0));
218 add_speaker (AngularVector (o +0.0, 90.0));
223 double degree_step = 360.0 / n;
227 /* even number of speakers? make sure the top two are either side of "top".
228 otherwise, just start at the "top" (90.0 degrees) and rotate around
232 deg = 360 + o + degree_step;
236 for (i = 0; i < n; ++i, deg -= degree_step) {
237 add_speaker (AngularVector (fmod(deg, 360), 0.0));
244 Speakers::get_state ()
246 XMLNode* node = new XMLNode (X_("Speakers"));
250 for (vector<Speaker>::const_iterator i = _speakers.begin(); i != _speakers.end(); ++i) {
251 XMLNode* speaker = new XMLNode (X_("Speaker"));
253 snprintf (buf, sizeof (buf), "%.12g", (*i).angles().azi);
254 speaker->add_property (X_("azimuth"), buf);
255 snprintf (buf, sizeof (buf), "%.12g", (*i).angles().ele);
256 speaker->add_property (X_("elevation"), buf);
257 snprintf (buf, sizeof (buf), "%.12g", (*i).angles().length);
258 speaker->add_property (X_("distance"), buf);
260 node->add_child_nocopy (*speaker);
267 Speakers::set_state (const XMLNode& node, int /*version*/)
269 XMLNodeConstIterator i;
270 XMLProperty const * prop;
277 for (i = node.children().begin(); i != node.children().end(); ++i, ++n) {
278 if ((*i)->name() == X_("Speaker")) {
279 if ((prop = (*i)->property (X_("azimuth"))) == 0) {
280 warning << _("Speaker information is missing azimuth - speaker ignored") << endmsg;
283 a = atof (prop->value());
285 if ((prop = (*i)->property (X_("elevation"))) == 0) {
286 warning << _("Speaker information is missing elevation - speaker ignored") << endmsg;
289 e = atof (prop->value());
291 if ((prop = (*i)->property (X_("distance"))) == 0) {
292 warning << _("Speaker information is missing distance - speaker ignored") << endmsg;
295 d = atof (prop->value());
297 add_speaker (AngularVector (a, e, d));