libs/surfaces/osc/osc_route_observer.cc

   1 /*
   2     Copyright (C) 2009 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include "boost/lambda/lambda.hpp"
  21
  22 #include "ardour/route.h"
  23 #include "ardour/audio_track.h"
  24 #include "ardour/midi_track.h"
  25
  26 #include "osc.h"
  27 #include "osc_route_observer.h"
  28
  29 #define ui_bind(f, ...) boost::protect (boost::bind (f, __VA_ARGS__))
  30
  31 using namespace std;
  32 using namespace sigc;
  33 using namespace PBD;
  34 using namespace ARDOUR;
  35 using namespace boost;
  36
  37
  38 OSCRouteObserver::OSCRouteObserver (shared_ptr<Route> r, lo_address a)
  39         : _route (r)
  40 {
  41         addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
  42
  43         _route->PropertyChanged.connect (name_changed_connection, MISSING_INVALIDATOR, ui_bind (&OSCRouteObserver::name_changed, this, boost::lambda::_1), OSC::instance());
  44
  45         if (dynamic_pointer_cast<AudioTrack>(_route) || dynamic_pointer_cast<MidiTrack>(_route)) {
  46
  47                 shared_ptr<Track> track = dynamic_pointer_cast<Track>(r);
  48                 shared_ptr<Controllable> rec_controllable = dynamic_pointer_cast<Controllable>(track->rec_enable_control());
  49
  50                 rec_controllable->Changed.connect (rec_changed_connection, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/route/rec"), track->rec_enable_control()), OSC::instance());
  51         }
  52
  53         shared_ptr<Controllable> mute_controllable = dynamic_pointer_cast<Controllable>(_route->mute_control());
  54         mute_controllable->Changed.connect (mute_changed_connection, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/route/mute"), _route->mute_control()), OSC::instance());
  55
  56         shared_ptr<Controllable> solo_controllable = dynamic_pointer_cast<Controllable>(_route->solo_control());
  57         solo_controllable->Changed.connect (solo_changed_connection, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/route/solo"), _route->solo_control()), OSC::instance());
  58
  59         shared_ptr<Controllable> gain_controllable = dynamic_pointer_cast<Controllable>(_route->gain_control());
  60         gain_controllable->Changed.connect (gain_changed_connection, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/route/gain"), _route->gain_control()), OSC::instance());
  61 }
  62
  63 OSCRouteObserver::~OSCRouteObserver ()
  64 {
  65         name_changed_connection.disconnect();
  66         rec_changed_connection.disconnect();
  67         mute_changed_connection.disconnect();
  68         solo_changed_connection.disconnect();
  69         gain_changed_connection.disconnect();
  70
  71         lo_address_free (addr);
  72 }
  73
  74 void
  75 OSCRouteObserver::name_changed (const PBD::PropertyChange& what_changed)
  76 {
  77         if (!what_changed.contains (ARDOUR::Properties::name)) {
  78             return;
  79         }
  80
  81         if (!_route) {
  82                 return;
  83         }
  84
  85         lo_message msg = lo_message_new ();
  86
  87         lo_message_add_int32 (msg, _route->remote_control_id());
  88         lo_message_add_string (msg, _route->name().c_str());
  89
  90         lo_send_message (addr, "/route/name", msg);
  91         lo_message_free (msg);
  92 }
  93
  94 void
  95 OSCRouteObserver::send_change_message (string path, shared_ptr<Controllable> controllable)
  96 {
  97         lo_message msg = lo_message_new ();
  98
  99         lo_message_add_int32 (msg, _route->remote_control_id());
 100         lo_message_add_float (msg, (float) controllable->get_value());
 101
 102         /* XXX thread issues */
 103
 104         //std::cerr << "ORC: send " << path << " = " << controllable->get_value() << std::endl;
 105
 106         lo_send_message (addr, path.c_str(), msg);
 107         lo_message_free (msg);
 108 }