269 lines
7.7 KiB
C++
269 lines
7.7 KiB
C++
/*
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Copyright (C) 2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "boost/lambda/lambda.hpp"
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#include "pbd/control_math.h"
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#include "ardour/track.h"
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#include "ardour/dB.h"
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#include "ardour/meter.h"
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#include "osc.h"
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#include "osc_cue_observer.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace PBD;
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using namespace ARDOUR;
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using namespace ArdourSurface;
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OSCCueObserver::OSCCueObserver (OSC& o, ArdourSurface::OSC::OSCSurface* su)
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: _osc (o)
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,sur (su)
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, tick_enable (false)
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{
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addr = lo_address_new_from_url (sur->remote_url.c_str());
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refresh_strip (true);
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}
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OSCCueObserver::~OSCCueObserver ()
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{
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tick_enable = false;
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no_strip ();
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lo_address_free (addr);
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}
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void
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OSCCueObserver::clear_observer ()
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{
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tick_enable = false;
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strip_connections.drop_connections ();
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send_end ();
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// all strip buttons should be off and faders 0 and etc.
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_osc.text_message_with_id ("/cue/name", 0, " ", addr);
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_osc.float_message ("/cue/mute", 0, addr);
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_osc.float_message ("/cue/fader", 0, addr);
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_osc.float_message ("/cue/signal", 0, addr);
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}
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void
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OSCCueObserver::no_strip ()
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{
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// This gets called on drop references
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tick_enable = false;
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strip_connections.drop_connections ();
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/*
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* The strip will sit idle at this point doing nothing until
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* the surface has recalculated it's strip list and then calls
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* refresh_strip. Otherwise refresh strip will get a strip address
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* that does not exist... Crash
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*/
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}
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void
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OSCCueObserver::refresh_strip (bool force)
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{
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tick_enable = false;
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uint32_t sid = sur->aux - 1;
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if (sid >= sur->strips.size ()) {
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sid = 0;
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}
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boost::shared_ptr<ARDOUR::Stripable> new_strip = sur->strips[sid];
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if (_strip && (new_strip == _strip) && !force) {
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tick_enable = true;
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return;
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}
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strip_connections.drop_connections ();
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send_end ();
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_strip = new_strip;
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_strip->DropReferences.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::no_strip, this), OSC::instance());
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sends = sur->sends;
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_strip->PropertyChanged.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::name_changed, this, boost::lambda::_1, 0), OSC::instance());
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name_changed (ARDOUR::Properties::name, 0);
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_strip->mute_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::send_change_message, this, X_("/cue/mute"), 0, _strip->mute_control()), OSC::instance());
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send_change_message ("/cue/mute", 0, _strip->mute_control());
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gain_timeout.push_back (0);
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_last_gain.push_back (-1.0);
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_strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::send_gain_message, this, 0, _strip->gain_control(), false), OSC::instance());
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send_gain_message (0, _strip->gain_control(), true);
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send_init ();
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tick_enable = true;
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tick ();
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}
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void
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OSCCueObserver::tick ()
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{
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if (!tick_enable) {
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return;
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}
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float now_meter;
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if (_strip->peak_meter()) {
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now_meter = _strip->peak_meter()->meter_level(0, MeterMCP);
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} else {
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now_meter = -193;
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}
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if (now_meter < -120) now_meter = -193;
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if (_last_meter != now_meter) {
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float signal;
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if (now_meter < -40) {
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signal = 0;
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} else {
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signal = 1;
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}
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_osc.float_message ("/cue/signal", signal, addr);
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}
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_last_meter = now_meter;
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for (uint32_t i = 0; i < gain_timeout.size(); i++) {
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if (gain_timeout[i]) {
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if (gain_timeout[i] == 1) {
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name_changed (ARDOUR::Properties::name, i);
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}
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gain_timeout[i]--;
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}
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}
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}
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void
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OSCCueObserver::send_init()
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{
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for (uint32_t i = 0; i < sends.size(); i++) {
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boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route> (sends[i]);
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boost::shared_ptr<Send> send = r->internal_send_for (boost::dynamic_pointer_cast<Route> (_strip));
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if (r) {
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r->processors_changed.connect (send_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::send_restart, this), OSC::instance());
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}
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if (send) {
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// send name
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if (r) {
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sends[i]->PropertyChanged.connect (send_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::name_changed, this, boost::lambda::_1, i + 1), OSC::instance());
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name_changed (ARDOUR::Properties::name, i + 1);
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}
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if (send->gain_control()) {
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gain_timeout.push_back (0);
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_last_gain.push_back (-1.0);
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send->gain_control()->Changed.connect (send_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::send_gain_message, this, i + 1, send->gain_control(), false), OSC::instance());
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send_gain_message (i + 1, send->gain_control(), true);
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}
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boost::shared_ptr<Processor> proc = boost::dynamic_pointer_cast<Processor> (send);
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proc->ActiveChanged.connect (send_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::send_enabled_message, this, X_("/cue/send/enable"), i + 1, proc), OSC::instance());
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send_enabled_message (X_("/cue/send/enable"), i + 1, proc);
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}
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}
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}
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void
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OSCCueObserver::send_end ()
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{
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send_connections.drop_connections ();
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for (uint32_t i = 1; i <= sends.size(); i++) {
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_osc.float_message (string_compose ("/cue/send/fader/%1", i), 0, addr);
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_osc.float_message (string_compose ("/cue/send/enable/%1", i), 0, addr);
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_osc.text_message_with_id ("/cue/send/name", i, " ", addr);
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}
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gain_timeout.clear ();
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_last_gain.clear ();
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}
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void
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OSCCueObserver::send_restart ()
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{
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tick_enable = false;
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send_end();
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send_init();
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tick_enable = true;
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}
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void
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OSCCueObserver::name_changed (const PBD::PropertyChange& what_changed, uint32_t id)
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{
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if (!what_changed.contains (ARDOUR::Properties::name)) {
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return;
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}
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if (!_strip) {
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return;
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}
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if (id) {
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_osc.text_message_with_id ("/cue/send/name", id, sends[id - 1]->name(), addr);
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} else {
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_osc.text_message ("/cue/name", _strip->name(), addr);
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}
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}
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void
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OSCCueObserver::send_change_message (string path, uint32_t id, boost::shared_ptr<Controllable> controllable)
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{
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// maybe don't need ID only used for mute- maybe mute can use enable
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if (id) {
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path = string_compose("%1/%2", path, id);
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}
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float val = controllable->get_value();
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_osc.float_message (path, (float) controllable->internal_to_interface (val), addr);
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}
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void
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OSCCueObserver::send_gain_message (uint32_t id, boost::shared_ptr<Controllable> controllable, bool force)
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{
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if (_last_gain[id] != controllable->get_value()) {
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_last_gain[id] = controllable->get_value();
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} else {
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return;
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}
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if (id) {
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_osc.text_message_with_id ("/cue/send/name", id, string_compose ("%1%2%3", std::fixed, std::setprecision(2), accurate_coefficient_to_dB (controllable->get_value())), addr);
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_osc.float_message_with_id ("/cue/send/fader", id, controllable->internal_to_interface (controllable->get_value()), addr);
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} else {
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_osc.text_message ("/cue/name", string_compose ("%1%2%3", std::fixed, std::setprecision(2), accurate_coefficient_to_dB (controllable->get_value())), addr);
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_osc.float_message ("/cue/fader", controllable->internal_to_interface (controllable->get_value()), addr);
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}
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gain_timeout[id] = 8;
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}
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void
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OSCCueObserver::send_enabled_message (std::string path, uint32_t id, boost::shared_ptr<ARDOUR::Processor> proc)
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{
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if (id) {
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_osc.float_message_with_id (path, id, (float) proc->enabled(), addr);
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} else {
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_osc.float_message (path, (float) proc->enabled(), addr);
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}
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}
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