1 /*
2 * Copyright (C) 1998-2018 Paul Davis <paul@linuxaudiosystems.com>
3 * Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
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/audioengine.h"
21 #include "ardour/async_midi_port.h"
22 #include "ardour/midiport_manager.h"
23 #include "ardour/rc_configuration.h"
24
25 #include "pbd/i18n.h"
26
27 using namespace ARDOUR;
28 using namespace std;
29 using namespace MIDI;
30 using namespace PBD;
31
32
MidiPortManager()33 MidiPortManager::MidiPortManager ()
34 {
35 create_ports ();
36 }
37
~MidiPortManager()38 MidiPortManager::~MidiPortManager ()
39 {
40 Glib::Threads::Mutex::Lock em (AudioEngine::instance()->process_lock());
41 if (_scene_in) {
42 AudioEngine::instance()->unregister_port (_scene_in);
43 }
44 if (_scene_out) {
45 AudioEngine::instance()->unregister_port (_scene_out);
46 }
47 if (_mtc_output_port) {
48 AudioEngine::instance()->unregister_port (_mtc_output_port);
49 }
50 if (_midi_clock_output_port) {
51 AudioEngine::instance()->unregister_port (_midi_clock_output_port);
52 }
53
54 }
55
56 void
create_ports()57 MidiPortManager::create_ports ()
58 {
59 /* this method is idempotent */
60
61 if (_mmc_in) {
62 return;
63 }
64
65 _mmc_in = AudioEngine::instance()->register_input_port (DataType::MIDI, X_("MMC in"), true);
66 _mmc_out = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("MMC out"), true);
67
68 _scene_in = AudioEngine::instance()->register_input_port (DataType::MIDI, X_("Scene in"), true);
69 _scene_out = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("Scene out"), true);
70
71 _vkbd_out = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("x-virtual-keyboard"), true, IsTerminal);
72 boost::dynamic_pointer_cast<AsyncMIDIPort>(_vkbd_out)->set_flush_at_cycle_start (true);
73
74 /* Now register ports used to send positional sync data (MTC and MIDI Clock) */
75
76 boost::shared_ptr<ARDOUR::Port> p;
77
78 p = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("MTC out"));
79 _mtc_output_port= boost::dynamic_pointer_cast<MidiPort> (p);
80
81 p = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("MIDI Clock out"), false, TransportGenerator);
82 _midi_clock_output_port= boost::dynamic_pointer_cast<MidiPort> (p);
83 }
84
85 void
set_midi_port_states(const XMLNodeList & nodes)86 MidiPortManager::set_midi_port_states (const XMLNodeList&nodes)
87 {
88 XMLProperty const * prop;
89 typedef map<std::string,boost::shared_ptr<Port> > PortMap;
90 PortMap ports;
91 const int version = 0;
92
93 ports.insert (make_pair (_mtc_output_port->name(), _mtc_output_port));
94 ports.insert (make_pair (_midi_clock_output_port->name(), _midi_clock_output_port));
95 ports.insert (make_pair (_mmc_in->name(), _mmc_in));
96 ports.insert (make_pair (_mmc_out->name(), _mmc_out));
97 ports.insert (make_pair (_vkbd_out->name(), _vkbd_out));
98 ports.insert (make_pair (_scene_out->name(), _scene_out));
99 ports.insert (make_pair (_scene_in->name(), _scene_in));
100
101 for (XMLNodeList::const_iterator n = nodes.begin(); n != nodes.end(); ++n) {
102 if ((prop = (*n)->property (X_("name"))) == 0) {
103 continue;
104 }
105
106 PortMap::iterator p = ports.find (prop->value());
107 if (p == ports.end()) {
108 continue;
109 }
110
111 p->second->set_state (**n, version);
112 }
113 }
114
115 list<XMLNode*>
get_midi_port_states() const116 MidiPortManager::get_midi_port_states () const
117 {
118 typedef map<std::string,boost::shared_ptr<Port> > PortMap;
119 PortMap ports;
120 list<XMLNode*> s;
121
122 ports.insert (make_pair (_mtc_output_port->name(), _mtc_output_port));
123 ports.insert (make_pair (_midi_clock_output_port->name(), _midi_clock_output_port));
124 ports.insert (make_pair (_mmc_in->name(), _mmc_in));
125 ports.insert (make_pair (_mmc_out->name(), _mmc_out));
126 ports.insert (make_pair (_vkbd_out->name(), _vkbd_out));
127 ports.insert (make_pair (_scene_out->name(), _scene_out));
128 ports.insert (make_pair (_scene_in->name(), _scene_in));
129
130 for (PortMap::const_iterator p = ports.begin(); p != ports.end(); ++p) {
131 s.push_back (&p->second->get_state());
132 }
133
134 return s;
135 }
136
137 boost::shared_ptr<AsyncMIDIPort>
vkbd_output_port() const138 MidiPortManager::vkbd_output_port () const
139 {
140 return boost::dynamic_pointer_cast<AsyncMIDIPort> (_vkbd_out);
141 }
142