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livetrax/libs/surfaces/osc/osc_cue_observer.cc

253 lines
7.4 KiB
C++

/*
Copyright (C) 2009 Paul 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.
*/
#include "boost/lambda/lambda.hpp"
#include "pbd/control_math.h"
#include "ardour/track.h"
#include "ardour/dB.h"
#include "ardour/meter.h"
#include "osc.h"
#include "osc_cue_observer.h"
#include "pbd/i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR;
using namespace ArdourSurface;
OSCCueObserver::OSCCueObserver (OSC& o, ArdourSurface::OSC::OSCSurface* su)
: _osc (o)
,sur (su)
, tick_enable (false)
{
addr = lo_address_new_from_url (sur->remote_url.c_str());
uint32_t sid = sur->aux - 1;
if (sid >= sur->strips.size ()) {
sid = 0;
}
_strip = sur->strips[sid];
sends = sur->sends;
refresh_strip (_strip, sends, true);
}
OSCCueObserver::~OSCCueObserver ()
{
tick_enable = false;
clear_observer ();
lo_address_free (addr);
}
void
OSCCueObserver::clear_observer ()
{
tick_enable = false;
strip_connections.drop_connections ();
send_end (0);
// all strip buttons should be off and faders 0 and etc.
_osc.text_message_with_id ("/cue/name", 0, " ", true, addr);
_osc.float_message ("/cue/mute", 0, addr);
_osc.float_message ("/cue/fader", 0, addr);
_osc.float_message ("/cue/signal", 0, addr);
}
void
OSCCueObserver::refresh_strip (boost::shared_ptr<ARDOUR::Stripable> new_strip, Sorted new_sends, bool force)
{
tick_enable = false;
strip_connections.drop_connections ();
send_end (new_sends.size ());
_strip = new_strip;
_strip->DropReferences.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::clear_observer, this), OSC::instance());
sends = new_sends;
_strip->PropertyChanged.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::name_changed, this, boost::lambda::_1, 0), OSC::instance());
name_changed (ARDOUR::Properties::name, 0);
_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());
send_change_message ("/cue/mute", 0, _strip->mute_control());
gain_timeout.push_back (0);
_last_gain.push_back (-1.0);
_strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::send_gain_message, this, 0, _strip->gain_control(), false), OSC::instance());
send_gain_message (0, _strip->gain_control(), true);
send_init ();
tick_enable = true;
tick ();
}
void
OSCCueObserver::tick ()
{
if (!tick_enable) {
return;
}
float now_meter;
if (_strip->peak_meter()) {
now_meter = _strip->peak_meter()->meter_level(0, MeterMCP);
} else {
now_meter = -193;
}
if (now_meter < -120) now_meter = -193;
if (_last_meter != now_meter) {
float signal;
if (now_meter < -40) {
signal = 0;
} else {
signal = 1;
}
_osc.float_message ("/cue/signal", signal, addr);
}
_last_meter = now_meter;
for (uint32_t i = 0; i < gain_timeout.size(); i++) {
if (gain_timeout[i]) {
if (gain_timeout[i] == 1) {
name_changed (ARDOUR::Properties::name, i);
}
gain_timeout[i]--;
}
}
}
void
OSCCueObserver::send_init()
{
for (uint32_t i = 0; i < sends.size(); i++) {
boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route> (sends[i]);
boost::shared_ptr<Send> send = r->internal_send_for (boost::dynamic_pointer_cast<Route> (_strip));
if (r) {
r->processors_changed.connect (send_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::send_restart, this), OSC::instance());
}
if (send) {
// send name
if (r) {
sends[i]->PropertyChanged.connect (send_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::name_changed, this, boost::lambda::_1, i + 1), OSC::instance());
name_changed (ARDOUR::Properties::name, i + 1);
}
if (send->gain_control()) {
gain_timeout.push_back (0);
_last_gain.push_back (-1.0);
send->gain_control()->Changed.connect (send_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::send_gain_message, this, i + 1, send->gain_control(), false), OSC::instance());
send_gain_message (i + 1, send->gain_control(), true);
}
boost::shared_ptr<Processor> proc = boost::dynamic_pointer_cast<Processor> (send);
proc->ActiveChanged.connect (send_connections, MISSING_INVALIDATOR, boost::bind (&OSCCueObserver::send_enabled_message, this, X_("/cue/send/enable"), i + 1, proc), OSC::instance());
send_enabled_message (X_("/cue/send/enable"), i + 1, proc);
}
}
}
void
OSCCueObserver::send_end (uint32_t new_size)
{
send_connections.drop_connections ();
if (new_size < sends.size()) {
for (uint32_t i = new_size + 1; i <= sends.size(); i++) {
_osc.float_message (string_compose ("/cue/send/fader/%1", i), 0, addr);
_osc.float_message (string_compose ("/cue/send/enable/%1", i), 0, addr);
_osc.text_message_with_id ("/cue/send/name", i, " ", true, addr);
}
}
gain_timeout.clear ();
_last_gain.clear ();
sends.clear ();
}
void
OSCCueObserver::send_restart ()
{
tick_enable = false;
send_end(sends.size());
send_init();
tick_enable = true;
}
void
OSCCueObserver::name_changed (const PBD::PropertyChange& what_changed, uint32_t id)
{
if (!what_changed.contains (ARDOUR::Properties::name)) {
return;
}
if (!_strip) {
return;
}
if (id) {
_osc.text_message_with_id ("/cue/send/name", id, sends[id - 1]->name(), true, addr);
} else {
_osc.text_message ("/cue/name", _strip->name(), addr);
}
}
void
OSCCueObserver::send_change_message (string path, uint32_t id, boost::shared_ptr<Controllable> controllable)
{
if (id) {
path = string_compose("%1/%2", path, id);
}
float val = controllable->get_value();
_osc.float_message (path, (float) controllable->internal_to_interface (val), addr);
}
void
OSCCueObserver::send_gain_message (uint32_t id, boost::shared_ptr<Controllable> controllable, bool force)
{
if (_last_gain[id] != controllable->get_value()) {
_last_gain[id] = controllable->get_value();
} else {
return;
}
if (id) {
_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())), true, addr);
_osc.float_message_with_id ("/cue/send/fader", id, controllable->internal_to_interface (controllable->get_value()), true, addr);
} else {
_osc.text_message ("/cue/name", string_compose ("%1%2%3", std::fixed, std::setprecision(2), accurate_coefficient_to_dB (controllable->get_value())), addr);
_osc.float_message ("/cue/fader", controllable->internal_to_interface (controllable->get_value()), addr);
}
gain_timeout[id] = 8;
}
void
OSCCueObserver::send_enabled_message (std::string path, uint32_t id, boost::shared_ptr<ARDOUR::Processor> proc)
{
if (id) {
_osc.float_message_with_id (path, id, (float) proc->enabled(), true, addr);
} else {
_osc.float_message (path, (float) proc->enabled(), addr);
}
}