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livetrax/libs/surfaces/osc/osc_global_observer.cc

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/*
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 "ardour/session.h"
#include "ardour/dB.h"
#include "ardour/meter.h"
#include "osc.h"
#include "osc_global_observer.h"
#include "i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR;
using namespace ArdourSurface;
OSCGlobalObserver::OSCGlobalObserver (Session& s, lo_address a, uint32_t gm, std::bitset<32> fb)
: gainmode (gm)
,feedback (fb)
{
if (feedback[4]) {
addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
session = &s;
_last_frame = -1;
// connect to all the things we want to send feed back from
/*
* Master (todo)
* Pan width
*/
// Master channel first
boost::shared_ptr<Stripable> strip = session->master_out();
boost::shared_ptr<Controllable> mute_controllable = boost::dynamic_pointer_cast<Controllable>(strip->mute_control());
mute_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_change_message, this, X_("/master/mute"), strip->mute_control()), OSC::instance());
send_change_message ("/master/mute", strip->mute_control());
boost::shared_ptr<Controllable> trim_controllable = boost::dynamic_pointer_cast<Controllable>(strip->trim_control());
trim_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_trim_message, this, X_("/master/trimdB"), strip->trim_control()), OSC::instance());
send_trim_message ("/master/trimdB", strip->trim_control());
boost::shared_ptr<Controllable> pan_controllable = boost::dynamic_pointer_cast<Controllable>(strip->pan_azimuth_control());
pan_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_change_message, this, X_("/master/pan_stereo_position"), strip->pan_azimuth_control()), OSC::instance());
send_change_message ("/master/pan_stereo_position", strip->pan_azimuth_control());
boost::shared_ptr<Controllable> gain_controllable = boost::dynamic_pointer_cast<Controllable>(strip->gain_control());
if (gainmode) {
gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/master/fader"), strip->gain_control()), OSC::instance());
send_gain_message ("/master/fader", strip->gain_control());
} else {
gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/master/gain"), strip->gain_control()), OSC::instance());
send_gain_message ("/master/gain", strip->gain_control());
}
// monitor stuff next
/*
* Monitor (todo)
* Mute
* Dim
* Mono
* Rude Solo
* etc.
*/
strip = session->monitor_out();
if (strip) {
// Hmm, it seems the monitor mute is not at route->mute_control()
/*boost::shared_ptr<Controllable> mute_controllable2 = boost::dynamic_pointer_cast<Controllable>(strip->mute_control());
//mute_controllable = boost::dynamic_pointer_cast<Controllable>(r2->mute_control());
mute_controllable2->Changed.connect (monitor_mute_connection, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_change_message, this, X_("/monitor/mute"), strip->mute_control()), OSC::instance());
send_change_message ("/monitor/mute", strip->mute_control());
*/
gain_controllable = boost::dynamic_pointer_cast<Controllable>(strip->gain_control());
if (gainmode) {
gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/monitor/fader"), strip->gain_control()), OSC::instance());
send_gain_message ("/monitor/fader", strip->gain_control());
} else {
gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/monitor/gain"), strip->gain_control()), OSC::instance());
send_gain_message ("/monitor/gain", strip->gain_control());
}
}
/*
* Transport (todo)
* punchin/out
*/
//Transport feedback
session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_transport_state_changed, this), OSC::instance());
send_transport_state_changed ();
session->TransportLooped.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_transport_state_changed, this), OSC::instance());
session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_record_state_changed, this), OSC::instance());
send_record_state_changed ();
// session feedback
session->StateSaved.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_session_saved, this, _1), OSC::instance());
send_session_saved (session->snap_name());
/*
* Maybe (many) more
*/
}
}
OSCGlobalObserver::~OSCGlobalObserver ()
{
strip_connections.drop_connections ();
session_connections.drop_connections ();
lo_address_free (addr);
}
void
OSCGlobalObserver::tick ()
{
framepos_t now_frame = session->transport_frame();
if (now_frame != _last_frame) {
if (feedback[6]) { // timecode enabled
Timecode::Time timecode;
session->timecode_time (now_frame, timecode);
// Timecode mode: Hours/Minutes/Seconds/Frames
ostringstream os;
os << setw(2) << setfill('0') << timecode.hours;
os << ':';
os << setw(2) << setfill('0') << timecode.minutes;
os << ':';
os << setw(2) << setfill('0') << timecode.seconds;
os << '.';
os << setw(2) << setfill('0') << timecode.frames;
lo_message msg = lo_message_new ();
lo_message_add_string (msg, os.str().c_str());
lo_send_message (addr, "/timecode", msg);
lo_message_free (msg);
}
if (feedback[5]) { // Bar beat enabled
Timecode::BBT_Time bbt_time;
session->bbt_time (now_frame, bbt_time);
// semantics: BBB/bb/tttt
ostringstream os;
os << setw(3) << setfill('0') << bbt_time.bars;
os << '|';
os << setw(2) << setfill('0') << bbt_time.beats;
os << '|';
os << setw(4) << setfill('0') << bbt_time.ticks;
lo_message msg = lo_message_new ();
lo_message_add_string (msg, os.str().c_str());
lo_send_message (addr, "/bar_beat", msg);
lo_message_free (msg);
}
_last_frame = now_frame;
}
if (feedback[3]) { //heart beat enabled
if (_heartbeat == 10) {
lo_message msg = lo_message_new ();
lo_message_add_float (msg, 1.0);
lo_send_message (addr, "/heartbeat", msg);
lo_message_free (msg);
}
if (!_heartbeat) {
lo_message msg = lo_message_new ();
lo_message_add_float (msg, 0.0);
lo_send_message (addr, "/heartbeat", msg);
lo_message_free (msg);
}
_heartbeat++;
if (_heartbeat > 20) _heartbeat = 0;
}
if (feedback[7] || feedback[8] || feedback[9]) { // meters enabled
// the only meter here is master
float now_meter = session->master_out()->peak_meter()->meter_level(0, MeterMCP);
if (now_meter < -193) now_meter = -193;
if (_last_meter != now_meter) {
if (feedback[7] || feedback[8]) {
lo_message msg = lo_message_new ();
if (gainmode && feedback[7]) {
uint32_t lev1023 = (uint32_t)((now_meter + 54) * 17.05);
lo_message_add_int32 (msg, lev1023);
lo_send_message (addr, "/master/meter", msg);
} else if ((!gainmode) && feedback[7]) {
lo_message_add_float (msg, now_meter);
lo_send_message (addr, "/master/meter", msg);
} else if (feedback[8]) {
uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
uint32_t ledbits = ~(0xfff<<ledlvl);
lo_message_add_int32 (msg, ledbits);
lo_send_message (addr, "/master/meter", msg);
}
lo_message_free (msg);
}
if (feedback[9]) {
lo_message msg = lo_message_new ();
float signal;
if (now_meter < -40) {
signal = 0;
} else {
signal = 1;
}
lo_message_add_float (msg, signal);
lo_send_message (addr, "/master/signal", msg);
lo_message_free (msg);
}
}
_last_meter = now_meter;
}
}
void
OSCGlobalObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
{
lo_message msg = lo_message_new ();
lo_message_add_float (msg, (float) controllable->get_value());
lo_send_message (addr, path.c_str(), msg);
lo_message_free (msg);
}
void
OSCGlobalObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
{
lo_message msg = lo_message_new ();
if (gainmode) {
if (controllable->get_value() == 1) {
lo_message_add_int32 (msg, 800);
} else {
lo_message_add_int32 (msg, gain_to_slider_position (controllable->get_value()) * 1023);
}
} else {
if (controllable->get_value() < 1e-15) {
lo_message_add_float (msg, -200);
} else {
lo_message_add_float (msg, accurate_coefficient_to_dB (controllable->get_value()));
}
}
lo_send_message (addr, path.c_str(), msg);
lo_message_free (msg);
}
void
OSCGlobalObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
{
lo_message msg = lo_message_new ();
lo_message_add_float (msg, (float) accurate_coefficient_to_dB (controllable->get_value()));
lo_send_message (addr, path.c_str(), msg);
lo_message_free (msg);
}
void
OSCGlobalObserver::send_transport_state_changed()
{
lo_message msg = lo_message_new ();
lo_message_add_int32 (msg, session->get_play_loop());
lo_send_message (addr, "/loop_toggle", msg);
lo_message_free (msg);
msg = lo_message_new ();
lo_message_add_int32 (msg, session->transport_speed() == 1.0);
lo_send_message (addr, "/transport_play", msg);
lo_message_free (msg);
msg = lo_message_new ();
lo_message_add_int32 (msg, session->transport_stopped ());
lo_send_message (addr, "/transport_stop", msg);
lo_message_free (msg);
msg = lo_message_new ();
lo_message_add_int32 (msg, session->transport_speed() < 0.0);
lo_send_message (addr, "/rewind", msg);
lo_message_free (msg);
msg = lo_message_new ();
lo_message_add_int32 (msg, session->transport_speed() > 1.0);
lo_send_message (addr, "/ffwd", msg);
lo_message_free (msg);
}
void
OSCGlobalObserver::send_record_state_changed ()
{
lo_message msg = lo_message_new ();
lo_message_add_int32 (msg, (int)session->get_record_enabled ());
lo_send_message (addr, "/rec_enable_toggle", msg);
lo_message_free (msg);
msg = lo_message_new ();
if (session->have_rec_enabled_track ()) {
lo_message_add_int32 (msg, 1);
} else {
lo_message_add_int32 (msg, 0);
}
lo_send_message (addr, "/record_tally", msg);
lo_message_free (msg);
}
void
OSCGlobalObserver::send_session_saved (std::string name)
{
lo_message msg = lo_message_new ();
lo_message_add_string (msg, name.c_str());
lo_send_message (addr, "/session_name", msg);
lo_message_free (msg);
}