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 #include "i18n.h"
  30
  31 #define ui_bind(f, ...) boost::protect (boost::bind (f, __VA_ARGS__))
  32
  33 using namespace std;
  34 using namespace sigc;
  35 using namespace PBD;
  36 using namespace ARDOUR;
  37 using namespace boost;
  38
  39
  40 OSCRouteObserver::OSCRouteObserver (boost::shared_ptr<Route> r, lo_address a)
  41         : _route (r)
  42 {
  43         addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
  44
  45         _route->PropertyChanged.connect (name_changed_connection, MISSING_INVALIDATOR, ui_bind (&OSCRouteObserver::name_changed, this, boost::lambda::_1), OSC::instance());
  46
  47         if (dynamic_pointer_cast<AudioTrack>(_route) || dynamic_pointer_cast<MidiTrack>(_route)) {
  48
  49                 boost::shared_ptr<Track> track = dynamic_pointer_cast<Track>(r);
  50                 boost::shared_ptr<Controllable> rec_controllable = dynamic_pointer_cast<Controllable>(track->rec_enable_control());
  51
  52                 rec_controllable->Changed.connect (rec_changed_connection, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/route/rec"), track->rec_enable_control()), OSC::instance());
  53         }
  54
  55         boost::shared_ptr<Controllable> mute_controllable = dynamic_pointer_cast<Controllable>(_route->mute_control());
  56         mute_controllable->Changed.connect (mute_changed_connection, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/route/mute"), _route->mute_control()), OSC::instance());
  57
  58         boost::shared_ptr<Controllable> solo_controllable = dynamic_pointer_cast<Controllable>(_route->solo_control());
  59         solo_controllable->Changed.connect (solo_changed_connection, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/route/solo"), _route->solo_control()), OSC::instance());
  60
  61         boost::shared_ptr<Controllable> gain_controllable = dynamic_pointer_cast<Controllable>(_route->gain_control());
  62         gain_controllable->Changed.connect (gain_changed_connection, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/route/gain"), _route->gain_control()), OSC::instance());
  63 }
  64
  65 OSCRouteObserver::~OSCRouteObserver ()
  66 {
  67         name_changed_connection.disconnect();
  68         rec_changed_connection.disconnect();
  69         mute_changed_connection.disconnect();
  70         solo_changed_connection.disconnect();
  71         gain_changed_connection.disconnect();
  72
  73         lo_address_free (addr);
  74 }
  75
  76 void
  77 OSCRouteObserver::name_changed (const PBD::PropertyChange& what_changed)
  78 {
  79         if (!what_changed.contains (ARDOUR::Properties::name)) {
  80             return;
  81         }
  82
  83         if (!_route) {
  84                 return;
  85         }
  86
  87         lo_message msg = lo_message_new ();
  88
  89         lo_message_add_int32 (msg, _route->remote_control_id());
  90         lo_message_add_string (msg, _route->name().c_str());
  91
  92         lo_send_message (addr, "/route/name", msg);
  93         lo_message_free (msg);
  94 }
  95
  96 void
  97 OSCRouteObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
  98 {
  99         lo_message msg = lo_message_new ();
 100
 101         lo_message_add_int32 (msg, _route->remote_control_id());
 102         lo_message_add_float (msg, (float) controllable->get_value());
 103
 104         /* XXX thread issues */
 105
 106         //std::cerr << "ORC: send " << path << " = " << controllable->get_value() << std::endl;
 107
 108         lo_send_message (addr, path.c_str(), msg);
 109         lo_message_free (msg);
 110 }