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/*
Copyright (C) 2009 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cstdlib>
#include <sigc++/signal.h>
#include "pbd/pthread_utils.h"
#include "ardour/async_midi_port.h"
#include "ardour/debug.h"
#include "ardour/audioengine.h"
#include "ardour/midi_port.h"
#include "ardour/midiport_manager.h"
#include "ardour/midi_ui.h"
#include "ardour/session.h"
#include "ardour/session_event.h"
#include "ardour/types.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Glib;
#include "i18n.h"
MidiControlUI* MidiControlUI::_instance = 0;
#include "pbd/abstract_ui.cc" /* instantiate the template */
MidiControlUI::MidiControlUI (Session& s)
: AbstractUI<MidiUIRequest> (X_("midiui"))
, _session (s)
{
_instance = this;
}
MidiControlUI::~MidiControlUI ()
{
/* stop the thread */
quit ();
/* drop all ports as GIO::Sources */
clear_ports ();
/* we no longer exist */
_instance = 0;
}
void
MidiControlUI::do_request (MidiUIRequest* req)
{
if (req->type == Quit) {
BaseUI::quit ();
} else if (req->type == CallSlot) {
req->the_slot ();
}
}
bool
MidiControlUI::midi_input_handler (IOCondition ioc, AsyncMIDIPort* port)
{
DEBUG_TRACE (DEBUG::MidiIO, string_compose ("something happend on %1\n", ((ARDOUR::Port*)port)->name()));
if (ioc & ~IO_IN) {
return false;
}
if (ioc & IO_IN) {
AsyncMIDIPort* asp = dynamic_cast<AsyncMIDIPort*> (port);
if (asp) {
asp->clear ();
}
DEBUG_TRACE (DEBUG::MidiIO, string_compose ("data available on %1\n", ((ARDOUR::Port*)port)->name()));
framepos_t now = _session.engine().sample_time();
port->parse (now);
}
return true;
}
void
MidiControlUI::clear_ports ()
{
}
void
MidiControlUI::reset_ports ()
{
vector<AsyncMIDIPort*> ports;
AsyncMIDIPort* p;
if ((p = dynamic_cast<AsyncMIDIPort*> (_session.midi_input_port()))) {
ports.push_back (p);
}
if ((p = dynamic_cast<AsyncMIDIPort*> (_session.mmc_input_port()))) {
ports.push_back (p);
}
if ((p = dynamic_cast<AsyncMIDIPort*> (_session.scene_input_port()))) {
ports.push_back (p);
}
if (ports.empty()) {
return;
}
for (vector<AsyncMIDIPort*>::const_iterator pi = ports.begin(); pi != ports.end(); ++pi) {
(*pi)->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &MidiControlUI::midi_input_handler), *pi));
(*pi)->xthread().attach (_main_loop->get_context());
}
}
void
MidiControlUI::thread_init ()
{
struct sched_param rtparam;
pthread_set_name (X_("midiUI"));
PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("MIDI"), 2048);
SessionEvent::create_per_thread_pool (X_("MIDI I/O"), 128);
memset (&rtparam, 0, sizeof (rtparam));
rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */
if (pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam) != 0) {
// do we care? not particularly.
}
reset_ports ();
}
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