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livetrax/libs/surfaces/osc/osc_controllable.cc

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/*
* Copyright (C) 2009-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009 Carl Hetherington <carl@carlh.net>
*
* 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 <cstdio> /* for sprintf, sigh */
#include <climits>
#include "pbd/error.h"
#include "pbd/xml++.h"
#include "ardour/route.h"
#include "osc.h"
#include "osc_controllable.h"
using namespace PBD;
using namespace ARDOUR;
using namespace ArdourSurface;
OSCControllable::OSCControllable (lo_address a, const std::string& p, boost::shared_ptr<Controllable> c)
: controllable (c)
, path (p)
{
addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
c->Changed.connect (changed_connection, MISSING_INVALIDATOR, boost::bind (&OSCControllable::send_change_message, this), OSC::instance());
}
OSCControllable::~OSCControllable ()
{
changed_connection.disconnect();
lo_address_free (addr);
}
XMLNode&
OSCControllable::get_state ()
{
XMLNode& root (controllable->get_state());
return root;
}
int
OSCControllable::set_state (const XMLNode& /*node*/, int /*version*/)
{
return 0;
}
void
OSCControllable::send_change_message ()
{
lo_message msg = lo_message_new ();
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lo_message_add_float (msg, (float) controllable->get_value());
/* XXX thread issues */
lo_send_message (addr, path.c_str(), msg);
lo_message_free (msg);
}
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/*------------------------------------------------------------*/
OSCRouteControllable::OSCRouteControllable (lo_address a, const std::string& p,
boost::shared_ptr<Controllable> c, boost::shared_ptr<Route> r)
: OSCControllable (a, p, c)
, _route (r)
{
}
OSCRouteControllable::~OSCRouteControllable ()
{
}
void
OSCRouteControllable::send_change_message ()
{
lo_message msg = lo_message_new ();
/* Can only send ID part of RID at present */
lo_message_add_int32 (msg, _route->presentation_info().order());
lo_message_add_float (msg, (float) controllable->get_value());
/* XXX thread issues */
//std::cerr << "ORC: send " << path << " = " << controllable->get_value() << std::endl;
lo_send_message (addr, path.c_str(), msg);
lo_message_free (msg);
}