158 lines
3.9 KiB
C++
158 lines
3.9 KiB
C++
/*
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Copyright (C) 2009 Paul Davis
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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 "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::request_factory (uint32_t num_requests)
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{
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/* AbstractUI<T>::request_buffer_factory() is a template method only
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instantiated in this source module. To provide something visible for
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use when registering the factory, we have this static method that is
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template-free.
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*/
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return request_buffer_factory (num_requests);
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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, boost::shared_ptr<AsyncMIDIPort> port)
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{
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DEBUG_TRACE (DEBUG::MidiIO, string_compose ("something happend on %1\n", boost::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", boost::shared_ptr<ARDOUR::Port>(port)->name()));
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framepos_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<boost::shared_ptr<AsyncMIDIPort> > ports;
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boost::shared_ptr<AsyncMIDIPort> p;
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if ((p = boost::dynamic_pointer_cast<AsyncMIDIPort> (_session.midi_input_port()))) {
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ports.push_back (p);
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}
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if ((p = boost::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 = boost::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<boost::shared_ptr<AsyncMIDIPort> >::const_iterator pi = ports.begin(); pi != ports.end(); ++pi) {
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(*pi)->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &MidiControlUI::midi_input_handler), *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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struct sched_param rtparam;
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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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memset (&rtparam, 0, sizeof (rtparam));
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rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */
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if (pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam) != 0) {
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// do we care? not particularly.
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}
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reset_ports ();
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}
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