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livetrax/libs/midi++2/manager.cc

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/*
Copyright (C) 1998-99 Paul Barton-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.
$Id$
*/
#include <fcntl.h>
#include <glib.h>
#include "pbd/error.h"
#include "midi++/types.h"
#include "midi++/manager.h"
#include "midi++/channel.h"
#include "midi++/port.h"
#include "midi++/mmc.h"
using namespace std;
using namespace MIDI;
using namespace PBD;
Manager *Manager::theManager = 0;
Manager::Manager (jack_client_t* jack)
: _ports (new PortList)
{
_mmc = new MachineControl (this, jack);
_mtc_input_port = add_port (new MIDI::Port ("MTC in", Port::IsInput, jack));
_mtc_output_port = add_port (new MIDI::Port ("MTC out", Port::IsOutput, jack));
_midi_input_port = add_port (new MIDI::Port ("MIDI control in", Port::IsInput, jack));
_midi_output_port = add_port (new MIDI::Port ("MIDI control out", Port::IsOutput, jack));
_midi_clock_input_port = add_port (new MIDI::Port ("MIDI clock in", Port::IsInput, jack));
_midi_clock_output_port = add_port (new MIDI::Port ("MIDI clock out", Port::IsOutput, jack));
}
Manager::~Manager ()
{
delete _mmc;
/* This will delete our MTC etc. ports */
boost::shared_ptr<PortList> pr = _ports.reader ();
for (PortList::iterator p = pr->begin(); p != pr->end(); ++p) {
delete *p;
}
if (theManager == this) {
theManager = 0;
}
}
Port *
Manager::add_port (Port* p)
{
{
RCUWriter<PortList> writer (_ports);
boost::shared_ptr<PortList> pw = writer.get_copy ();
pw->push_back (p);
}
PortsChanged (); /* EMIT SIGNAL */
return p;
}
void
Manager::remove_port (Port* p)
{
{
RCUWriter<PortList> writer (_ports);
boost::shared_ptr<PortList> pw = writer.get_copy ();
pw->remove (p);
}
PortsChanged (); /* EMIT SIGNAL */
}
void
Manager::cycle_start (pframes_t nframes)
{
boost::shared_ptr<PortList> pr = _ports.reader ();
for (PortList::iterator p = pr->begin(); p != pr->end(); ++p) {
(*p)->cycle_start (nframes);
}
}
void
Manager::cycle_end()
{
boost::shared_ptr<PortList> pr = _ports.reader ();
for (PortList::iterator p = pr->begin(); p != pr->end(); ++p) {
(*p)->cycle_end ();
}
}
/** Re-register ports that disappear on JACK shutdown */
void
Manager::reestablish (jack_client_t* jack)
{
boost::shared_ptr<PortList> pr = _ports.reader ();
for (PortList::const_iterator p = pr->begin(); p != pr->end(); ++p) {
(*p)->reestablish (jack);
}
}
/** Re-connect ports after a reestablish () */
void
Manager::reconnect ()
{
boost::shared_ptr<PortList> pr = _ports.reader ();
for (PortList::const_iterator p = pr->begin(); p != pr->end(); ++p) {
(*p)->reconnect ();
}
}
Port*
Manager::port (string const & n)
{
boost::shared_ptr<PortList> pr = _ports.reader ();
PortList::const_iterator p = pr->begin();
while (p != pr->end() && (*p)->name() != n) {
++p;
}
if (p == pr->end()) {
return 0;
}
return *p;
}
void
Manager::create (jack_client_t* jack)
{
assert (theManager == 0);
theManager = new Manager (jack);
}
void
Manager::set_port_states (list<XMLNode*> s)
{
boost::shared_ptr<PortList> pr = _ports.reader ();
for (list<XMLNode*>::iterator i = s.begin(); i != s.end(); ++i) {
for (PortList::const_iterator j = pr->begin(); j != pr->end(); ++j) {
(*j)->set_state (**i);
}
}
}
void
Manager::destroy ()
{
delete theManager;
theManager = 0;
}