2 Copyright (C) 2011 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.
20 #include "pbd/error.h"
21 #include "pbd/convert.h"
22 #include "pbd/compose.h"
24 #include "ardour/debug.h"
25 #include "ardour/automation_control.h"
26 #include "ardour/automation_list.h"
27 #include "ardour/pannable.h"
28 #include "ardour/panner.h"
29 #include "ardour/pan_controllable.h"
30 #include "ardour/session.h"
36 using namespace ARDOUR;
38 Pannable::Pannable (Session& s)
40 , SessionHandleRef (s)
41 , pan_azimuth_control (new PanControllable (s, "", this, PanAzimuthAutomation))
42 , pan_elevation_control (new PanControllable (s, "", this, PanElevationAutomation))
43 , pan_width_control (new PanControllable (s, "", this, PanWidthAutomation))
44 , pan_frontback_control (new PanControllable (s, "", this, PanFrontBackAutomation))
45 , pan_lfe_control (new PanControllable (s, "", this, PanLFEAutomation))
47 , _auto_style (Absolute)
49 , _responding_to_control_auto_state_change (0)
51 add_control (pan_azimuth_control);
52 add_control (pan_elevation_control);
53 add_control (pan_width_control);
54 add_control (pan_frontback_control);
55 add_control (pan_lfe_control);
57 /* all controls change state together */
59 pan_azimuth_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
60 pan_elevation_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
61 pan_width_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
62 pan_frontback_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
63 pan_lfe_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
65 pan_azimuth_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
66 pan_elevation_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
67 pan_width_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
68 pan_frontback_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
69 pan_lfe_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
72 Pannable::~Pannable ()
74 DEBUG_TRACE (DEBUG::Destruction, string_compose ("pannable @ %1 destructor\n", this));
78 Pannable::control_auto_state_changed (AutoState new_state)
80 if (_responding_to_control_auto_state_change) {
84 _responding_to_control_auto_state_change++;
86 pan_azimuth_control->set_automation_state (new_state);
87 pan_width_control->set_automation_state (new_state);
88 pan_elevation_control->set_automation_state (new_state);
89 pan_frontback_control->set_automation_state (new_state);
90 pan_lfe_control->set_automation_state (new_state);
92 _responding_to_control_auto_state_change--;
94 _auto_state = new_state;
95 automation_state_changed (new_state); /* EMIT SIGNAL */
99 Pannable::set_panner (boost::shared_ptr<Panner> p)
105 Pannable::value_changed ()
107 _session.set_dirty ();
111 Pannable::set_automation_state (AutoState state)
113 if (state != _auto_state) {
116 const Controls& c (controls());
118 for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
119 boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
121 ac->alist()->set_automation_state (state);
125 session().set_dirty ();
126 automation_state_changed (_auto_state);
131 Pannable::set_automation_style (AutoStyle style)
133 if (style != _auto_style) {
136 const Controls& c (controls());
138 for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
139 boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
141 ac->alist()->set_automation_style (style);
145 session().set_dirty ();
146 automation_style_changed ();
151 Pannable::start_touch (double when)
153 const Controls& c (controls());
155 for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
156 boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
158 ac->alist()->start_touch (when);
161 g_atomic_int_set (&_touching, 1);
165 Pannable::stop_touch (bool mark, double when)
167 const Controls& c (controls());
169 for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
170 boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
172 ac->alist()->stop_touch (mark, when);
175 g_atomic_int_set (&_touching, 0);
179 Pannable::get_state ()
185 Pannable::state (bool full)
187 XMLNode* node = new XMLNode (X_("Pannable"));
189 node->add_child_nocopy (pan_azimuth_control->get_state());
190 node->add_child_nocopy (pan_width_control->get_state());
191 node->add_child_nocopy (pan_elevation_control->get_state());
192 node->add_child_nocopy (pan_frontback_control->get_state());
193 node->add_child_nocopy (pan_lfe_control->get_state());
195 node->add_child_nocopy (get_automation_xml_state ());
201 Pannable::set_state (const XMLNode& root, int version)
203 if (root.name() != X_("Pannable")) {
204 warning << string_compose (_("Pannable given XML data for %1 - ignored"), root.name()) << endmsg;
208 const XMLNodeList& nlist (root.children());
209 XMLNodeConstIterator niter;
211 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
212 if ((*niter)->name() == Controllable::xml_node_name) {
213 const XMLProperty* prop = (*niter)->property (X_("name"));
219 if (prop->value() == pan_azimuth_control->name()) {
220 pan_azimuth_control->set_state (**niter, version);
221 } else if (prop->value() == pan_width_control->name()) {
222 pan_width_control->set_state (**niter, version);
223 } else if (prop->value() == pan_elevation_control->name()) {
224 pan_elevation_control->set_state (**niter, version);
225 } else if (prop->value() == pan_frontback_control->name()) {
226 pan_frontback_control->set_state (**niter, version);
227 } else if (prop->value() == pan_lfe_control->name()) {
228 pan_lfe_control->set_state (**niter, version);
231 } else if ((*niter)->name() == Automatable::xml_node_name) {
232 set_automation_xml_state (**niter, PanAzimuthAutomation);
242 Pannable::value_as_string (boost::shared_ptr<AutomationControl> ac) const
244 boost::shared_ptr<Panner> p = panner ();
247 return p->value_as_string (ac);
250 return Automatable::value_as_string (ac);