1 /*
2 * Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
3 * Copyright (C) 2016 Tim Mayberry <mojofunk@gmail.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #include "ardour/debug.h"
21 #include "ardour/mute_master.h"
22 #include "ardour/session.h"
23 #include "ardour/solo_isolate_control.h"
24
25 #include "pbd/i18n.h"
26
27 using namespace ARDOUR;
28 using namespace std;
29 using namespace PBD;
30
SoloIsolateControl(Session & session,std::string const & name,Soloable & s)31 SoloIsolateControl::SoloIsolateControl (Session& session, std::string const & name, Soloable& s)
32 : SlavableAutomationControl (session, SoloIsolateAutomation, ParameterDescriptor (SoloIsolateAutomation),
33 boost::shared_ptr<AutomationList>(new AutomationList(Evoral::Parameter(SoloIsolateAutomation))),
34 name)
35 , _soloable (s)
36 , _solo_isolated (false)
37 , _solo_isolated_by_upstream (0)
38 {
39 _list->set_interpolation (Evoral::ControlList::Discrete);
40 /* isolate changes must be synchronized by the process cycle */
41 set_flag (Controllable::RealTime);
42 }
43
44 void
master_changed(bool from_self,PBD::Controllable::GroupControlDisposition gcd,boost::weak_ptr<AutomationControl>)45 SoloIsolateControl::master_changed (bool from_self, PBD::Controllable::GroupControlDisposition gcd, boost::weak_ptr<AutomationControl>)
46 {
47 if (!_soloable.can_solo()) {
48 return;
49 }
50
51 bool master_soloed;
52
53 {
54 Glib::Threads::RWLock::ReaderLock lm (master_lock);
55 master_soloed = (bool) get_masters_value_locked ();
56 }
57
58 /* Master is considered equivalent to an upstream solo control, not
59 * direct control over self-soloed.
60 */
61
62 mod_solo_isolated_by_upstream (master_soloed ? 1 : -1);
63
64 /* no need to call AutomationControl::master_changed() since it just
65 emits Changed() which we already did in mod_solo_by_others_upstream()
66 */
67 }
68
69 void
mod_solo_isolated_by_upstream(int32_t delta)70 SoloIsolateControl::mod_solo_isolated_by_upstream (int32_t delta)
71 {
72 bool old = solo_isolated ();
73 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 mod_solo_isolated_by_upstream cur: %2 d: %3\n",
74 name(), _solo_isolated_by_upstream, delta));
75
76 if (delta < 0) {
77 if (_solo_isolated_by_upstream >= (uint32_t) abs(delta)) {
78 _solo_isolated_by_upstream += delta;
79 } else {
80 _solo_isolated_by_upstream = 0;
81 }
82 } else {
83 _solo_isolated_by_upstream += delta;
84 }
85
86 if (solo_isolated() != old) {
87 Changed (false, Controllable::NoGroup); /* EMIT SIGNAL */
88 }
89 }
90
91 void
actually_set_value(double val,PBD::Controllable::GroupControlDisposition gcd)92 SoloIsolateControl::actually_set_value (double val, PBD::Controllable::GroupControlDisposition gcd)
93 {
94 if (!_soloable.can_solo()) {
95 return;
96 }
97
98 set_solo_isolated (val, gcd);
99
100 /* this sets the Evoral::Control::_user_value for us, which will
101 be retrieved by AutomationControl::get_value (), and emits Changed
102 */
103
104 AutomationControl::actually_set_value (val, gcd);
105 }
106
107 void
set_solo_isolated(bool yn,Controllable::GroupControlDisposition group_override)108 SoloIsolateControl::set_solo_isolated (bool yn, Controllable::GroupControlDisposition group_override)
109 {
110 if (!_soloable.can_solo()) {
111 return;
112 }
113
114 bool changed = false;
115
116 if (yn) {
117 if (_solo_isolated == false) {
118 changed = true;
119 }
120 _solo_isolated = true;
121 } else {
122 if (_solo_isolated == true) {
123 _solo_isolated = false;
124 changed = true;
125 }
126 }
127
128 if (!changed) {
129 return;
130 }
131
132 _soloable.push_solo_isolate_upstream (yn ? 1 : -1);
133
134 /* XXX should we back-propagate as well? (April 2010: myself and chris goddard think not) */
135
136 Changed (true, group_override); /* EMIT SIGNAL */
137 }
138
139
140 double
get_value() const141 SoloIsolateControl::get_value () const
142 {
143 if (slaved()) {
144 return solo_isolated() || get_masters_value ();
145 }
146
147 if (_list && boost::dynamic_pointer_cast<AutomationList>(_list)->automation_playback()) {
148 // Playing back automation, get the value from the list
149 return AutomationControl::get_value();
150 }
151
152 return solo_isolated ();
153 }
154
155 int
set_state(XMLNode const & node,int version)156 SoloIsolateControl::set_state (XMLNode const & node, int version)
157 {
158 if (SlavableAutomationControl::set_state(node, version)) {
159 return -1;
160 }
161
162 node.get_property ("solo-isolated", _solo_isolated);
163 return 0;
164 }
165
166 XMLNode&
get_state()167 SoloIsolateControl::get_state ()
168 {
169 XMLNode& node (SlavableAutomationControl::get_state());
170 node.set_property (X_("solo-isolated"), _solo_isolated);
171 return node;
172 }
173