143 lines
3.5 KiB
C++
143 lines
3.5 KiB
C++
/*
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* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2010-2011 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2011-2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <cstdlib>
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#include <sigc++/signal.h>
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#include "pbd/pthread_utils.h"
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#include "ardour/async_midi_port.h"
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#include "ardour/debug.h"
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#include "ardour/audioengine.h"
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#include "ardour/midi_port.h"
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#include "ardour/midiport_manager.h"
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#include "ardour/midi_ui.h"
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#include "ardour/session.h"
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#include "ardour/session_event.h"
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#include "ardour/types.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Glib;
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#include "pbd/i18n.h"
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MidiControlUI* MidiControlUI::_instance = 0;
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#include "pbd/abstract_ui.cc" /* instantiate the template */
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MidiControlUI::MidiControlUI (Session& s)
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: AbstractUI<MidiUIRequest> (X_("midiUI"))
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, _session (s)
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{
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_instance = this;
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}
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MidiControlUI::~MidiControlUI ()
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{
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/* stop the thread */
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quit ();
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/* drop all ports as GIO::Sources */
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clear_ports ();
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/* we no longer exist */
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_instance = 0;
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}
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void
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MidiControlUI::do_request (MidiUIRequest* req)
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{
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if (req->type == Quit) {
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BaseUI::quit ();
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} else if (req->type == CallSlot) {
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req->the_slot ();
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}
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}
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bool
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MidiControlUI::midi_input_handler (IOCondition ioc, std::weak_ptr<AsyncMIDIPort> wport)
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{
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std::shared_ptr<AsyncMIDIPort> port = wport.lock ();
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if (!port) {
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return false;
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}
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DEBUG_TRACE (DEBUG::MidiIO, string_compose ("something happened on %1\n", std::shared_ptr<ARDOUR::Port> (port)->name()));
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if (ioc & ~IO_IN) {
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return false;
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}
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if (ioc & IO_IN) {
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port->clear ();
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DEBUG_TRACE (DEBUG::MidiIO, string_compose ("data available on %1\n", std::shared_ptr<ARDOUR::Port>(port)->name()));
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samplepos_t now = _session.engine().sample_time();
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port->parse (now);
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}
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return true;
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}
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void
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MidiControlUI::clear_ports ()
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{
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}
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void
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MidiControlUI::reset_ports ()
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{
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vector<std::shared_ptr<AsyncMIDIPort> > ports;
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std::shared_ptr<AsyncMIDIPort> p;
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if ((p = std::dynamic_pointer_cast<AsyncMIDIPort> (_session.mmc_input_port()))) {
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ports.push_back (p);
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}
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if ((p = std::dynamic_pointer_cast<AsyncMIDIPort> (_session.scene_input_port()))) {
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ports.push_back (p);
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}
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if (ports.empty()) {
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return;
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}
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for (vector<std::shared_ptr<AsyncMIDIPort> >::const_iterator pi = ports.begin(); pi != ports.end(); ++pi) {
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(*pi)->xthread().set_receive_handler (sigc::bind (
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sigc::mem_fun (this, &MidiControlUI::midi_input_handler), std::weak_ptr<AsyncMIDIPort>(*pi)));
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(*pi)->xthread().attach (_main_loop->get_context());
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}
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}
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void
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MidiControlUI::thread_init ()
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{
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pthread_set_name (X_("midiUI"));
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PBD::notify_event_loops_about_thread_creation (pthread_self(), X_("midiUI"), 2048);
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SessionEvent::create_per_thread_pool (X_("midiUI"), 128);
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set_thread_priority ();
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reset_ports ();
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}
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