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livetrax/libs/ardour/midiport_manager.cc

142 lines
4.5 KiB
C++

/*
* Copyright (C) 1998-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ardour/audioengine.h"
#include "ardour/async_midi_port.h"
#include "ardour/midiport_manager.h"
#include "ardour/rc_configuration.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace std;
using namespace MIDI;
using namespace PBD;
MidiPortManager::MidiPortManager ()
{
create_ports ();
}
MidiPortManager::~MidiPortManager ()
{
Glib::Threads::Mutex::Lock em (AudioEngine::instance()->process_lock());
if (_scene_in) {
AudioEngine::instance()->unregister_port (_scene_in);
}
if (_scene_out) {
AudioEngine::instance()->unregister_port (_scene_out);
}
if (_mtc_output_port) {
AudioEngine::instance()->unregister_port (_mtc_output_port);
}
if (_midi_clock_output_port) {
AudioEngine::instance()->unregister_port (_midi_clock_output_port);
}
}
void
MidiPortManager::create_ports ()
{
/* this method is idempotent */
if (_mmc_in) {
return;
}
_mmc_in = AudioEngine::instance()->register_input_port (DataType::MIDI, X_("MMC in"), true);
_mmc_out = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("MMC out"), true);
_scene_in = AudioEngine::instance()->register_input_port (DataType::MIDI, X_("Scene in"), true);
_scene_out = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("Scene out"), true);
_vkbd_out = AudioEngine::instance()->register_output_port (DataType::MIDI, _("Virtual Keyboard"), true);
boost::dynamic_pointer_cast<AsyncMIDIPort>(_vkbd_out)->set_flush_at_cycle_start (true);
/* Now register ports used to send positional sync data (MTC and MIDI Clock) */
boost::shared_ptr<ARDOUR::Port> p;
p = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("MTC out"));
_mtc_output_port= boost::dynamic_pointer_cast<MidiPort> (p);
p = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("MIDI Clock out"));
_midi_clock_output_port= boost::dynamic_pointer_cast<MidiPort> (p);
}
void
MidiPortManager::set_midi_port_states (const XMLNodeList&nodes)
{
XMLProperty const * prop;
typedef map<std::string,boost::shared_ptr<Port> > PortMap;
PortMap ports;
const int version = 0;
ports.insert (make_pair (_mtc_output_port->name(), _mtc_output_port));
ports.insert (make_pair (_midi_clock_output_port->name(), _midi_clock_output_port));
ports.insert (make_pair (_mmc_in->name(), _mmc_in));
ports.insert (make_pair (_mmc_out->name(), _mmc_out));
ports.insert (make_pair (_vkbd_out->name(), _vkbd_out));
ports.insert (make_pair (_scene_out->name(), _scene_out));
ports.insert (make_pair (_scene_in->name(), _scene_in));
for (XMLNodeList::const_iterator n = nodes.begin(); n != nodes.end(); ++n) {
if ((prop = (*n)->property (X_("name"))) == 0) {
continue;
}
PortMap::iterator p = ports.find (prop->value());
if (p == ports.end()) {
continue;
}
p->second->set_state (**n, version);
}
}
list<XMLNode*>
MidiPortManager::get_midi_port_states () const
{
typedef map<std::string,boost::shared_ptr<Port> > PortMap;
PortMap ports;
list<XMLNode*> s;
ports.insert (make_pair (_mtc_output_port->name(), _mtc_output_port));
ports.insert (make_pair (_midi_clock_output_port->name(), _midi_clock_output_port));
ports.insert (make_pair (_mmc_in->name(), _mmc_in));
ports.insert (make_pair (_mmc_out->name(), _mmc_out));
ports.insert (make_pair (_vkbd_out->name(), _vkbd_out));
ports.insert (make_pair (_scene_out->name(), _scene_out));
ports.insert (make_pair (_scene_in->name(), _scene_in));
for (PortMap::const_iterator p = ports.begin(); p != ports.end(); ++p) {
s.push_back (&p->second->get_state());
}
return s;
}
boost::shared_ptr<AsyncMIDIPort>
MidiPortManager::vkbd_output_port () const
{
return boost::dynamic_pointer_cast<AsyncMIDIPort> (_vkbd_out);
}