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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 "pbd/control_math.h"
#include "ardour/session.h"
#include "ardour/dB.h"
#include "ardour/meter.h"
#include "ardour/monitor_processor.h"
#include "osc.h"
#include "osc_global_observer.h"
#include "pbd/i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR;
using namespace ArdourSurface;
OSCGlobalObserver::OSCGlobalObserver (Session& s, ArdourSurface::OSC::OSCSurface* su)
: sur (su)
,_init (true)
,_last_master_gain (0.0)
,_last_master_trim (0.0)
,_last_monitor_gain (0.0)
{
addr = lo_address_new_from_url (sur->remote_url.c_str());
//addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
session = &s;
gainmode = sur->gainmode;
feedback = sur->feedback;
_last_frame = -1;
if (feedback[4]) {
// connect to all the things we want to send feed back from
/*
* Master (todo)
* Pan width
*/
// Master channel first
text_message (X_("/master/name"), "Master");
boost::shared_ptr<Stripable> strip = session->master_out();
boost::shared_ptr<Controllable> mute_controllable = boost::dynamic_pointer_cast<Controllable>(strip->mute_control());
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mute_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::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());
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trim_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::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());
if (pan_controllable) {
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pan_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::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());
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gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_gain_message, this, X_("/master/"), strip->gain_control()), OSC::instance());
send_gain_message ("/master/", strip->gain_control());
// monitor stuff next
strip = session->monitor_out();
if (strip) {
text_message (X_("/monitor/name"), "Monitor");
boost::shared_ptr<Controllable> mon_mute_cont = strip->monitor_control()->cut_control();
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mon_mute_cont->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_change_message, this, X_("/monitor/mute"), mon_mute_cont), OSC::instance());
send_change_message ("/monitor/mute", mon_mute_cont);
boost::shared_ptr<Controllable> mon_dim_cont = strip->monitor_control()->dim_control();
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mon_dim_cont->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_change_message, this, X_("/monitor/dim"), mon_dim_cont), OSC::instance());
send_change_message ("/monitor/dim", mon_dim_cont);
boost::shared_ptr<Controllable> mon_mono_cont = strip->monitor_control()->mono_control();
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mon_mono_cont->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_change_message, this, X_("/monitor/mono"), mon_mono_cont), OSC::instance());
send_change_message ("/monitor/mono", mon_mono_cont);
gain_controllable = boost::dynamic_pointer_cast<Controllable>(strip->gain_control());
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gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_gain_message, this, X_("/monitor/"), strip->gain_control()), OSC::instance());
send_gain_message ("/monitor/", 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::text_message, this, X_("/session_name"), _1), OSC::instance());
text_message (X_("/session_name"), session->snap_name());
session->SoloActive.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::solo_active, this, _1), OSC::instance());
solo_active (session->soloing() || session->listening());
/*
* Maybe (many) more
*/
}
_init = false;
}
OSCGlobalObserver::~OSCGlobalObserver ()
{
_init = true;
// need to add general zero everything messages
strip_connections.drop_connections ();
session_connections.drop_connections ();
lo_address_free (addr);
}
void
OSCGlobalObserver::tick ()
{
if (_init) {
return;
}
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;
text_message ("/position/smpte", os.str());
}
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;
text_message ("/position/bbt", os.str());
}
if (feedback[11]) { // minutes/seconds enabled
framepos_t left = now_frame;
int hrs = (int) floor (left / (session->frame_rate() * 60.0f * 60.0f));
left -= (framecnt_t) floor (hrs * session->frame_rate() * 60.0f * 60.0f);
int mins = (int) floor (left / (session->frame_rate() * 60.0f));
left -= (framecnt_t) floor (mins * session->frame_rate() * 60.0f);
int secs = (int) floor (left / (float) session->frame_rate());
left -= (framecnt_t) floor ((double)(secs * session->frame_rate()));
int millisecs = floor (left * 1000.0 / (float) session->frame_rate());
// Min/sec mode: Hours/Minutes/Seconds/msec
ostringstream os;
os << setw(2) << setfill('0') << hrs;
os << ':';
os << setw(2) << setfill('0') << mins;
os << ':';
os << setw(2) << setfill('0') << secs;
os << '.';
os << setw(3) << setfill('0') << millisecs;
text_message ("/position/time", os.str());
}
if (feedback[10]) { // samples
ostringstream os;
os << now_frame;
text_message ("/position/samples", os.str());
}
_last_frame = now_frame;
}
if (feedback[3]) { //heart beat enabled
if (_heartbeat == 10) {
float_message (X_("/heartbeat"), 1.0);
}
if (!_heartbeat) {
float_message (X_("/heartbeat"), 0.0);
}
_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 < -94) now_meter = -193;
if (_last_meter != now_meter) {
if (feedback[7] || feedback[8]) {
if (gainmode && feedback[7]) {
// change from db to 0-1
float_message (X_("/master/meter"), ((now_meter + 94) / 100));
} else if ((!gainmode) && feedback[7]) {
float_message (X_("/master/meter"), now_meter);
} else if (feedback[8]) {
uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
uint32_t ledbits = ~(0xfff<<ledlvl);
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int_message (X_("/master/meter"), ledbits);
}
}
if (feedback[9]) {
float signal;
if (now_meter < -40) {
signal = 0;
} else {
signal = 1;
}
float_message (X_("/master/signal"), signal);
}
}
_last_meter = now_meter;
}
if (feedback[4]) {
if (master_timeout) {
if (master_timeout == 1) {
text_message (X_("/master/name"), "Master");
}
master_timeout--;
}
if (monitor_timeout) {
if (monitor_timeout == 1) {
text_message (X_("/monitor/name"), "Monitor");
}
monitor_timeout--;
}
}
}
void
OSCGlobalObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
{
float_message (path, (float) controllable->get_value());
}
void
OSCGlobalObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
{
bool ismaster = false;
if (path.find("master") != std::string::npos) {
ismaster = true;
if (_last_master_gain != controllable->get_value()) {
_last_master_gain = controllable->get_value();
} else {
return;
}
} else {
if (_last_monitor_gain != controllable->get_value()) {
_last_monitor_gain = controllable->get_value();
} else {
return;
}
}
if (gainmode) {
float_message (string_compose ("%1fader", path), controllable->internal_to_interface (controllable->get_value()));
text_message (string_compose ("%1name", path), string_compose ("%1%2%3", std::fixed, std::setprecision(2), accurate_coefficient_to_dB (controllable->get_value())));
if (ismaster) {
master_timeout = 8;
} else {
monitor_timeout = 8;
}
} else {
if (controllable->get_value() < 1e-15) {
float_message (string_compose ("%1gain",path), -200);
} else {
float_message (string_compose ("%1gain",path), accurate_coefficient_to_dB (controllable->get_value()));
}
}
}
void
OSCGlobalObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
{
if (_last_master_trim != controllable->get_value()) {
_last_master_trim = controllable->get_value();
} else {
return;
}
float_message (X_("/master/trimdB"), (float) accurate_coefficient_to_dB (controllable->get_value()));
}
void
OSCGlobalObserver::send_transport_state_changed()
{
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int_message (X_("/loop_toggle"), session->get_play_loop());
int_message (X_("/transport_play"), session->transport_speed() == 1.0);
int_message (X_("/transport_stop"), session->transport_stopped());
int_message (X_("/rewind"), session->transport_speed() < 0.0);
int_message (X_("/ffwd"), (session->transport_speed() != 1.0 && session->transport_speed() > 0.0));
}
void
OSCGlobalObserver::send_record_state_changed ()
{
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int_message (X_("/rec_enable_toggle"), (int)session->get_record_enabled ());
if (session->have_rec_enabled_track ()) {
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int_message (X_("/record_tally"), 1);
} else {
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int_message (X_("/record_tally"), 0);
}
}
void
OSCGlobalObserver::solo_active (bool active)
{
float_message (X_("/cancel_all_solos"), (float) active);
}
void
OSCGlobalObserver::text_message (string path, std::string text)
{
lo_message msg = lo_message_new ();
lo_message_add_string (msg, text.c_str());
lo_send_message (addr, path.c_str(), msg);
lo_message_free (msg);
}
void
OSCGlobalObserver::float_message (string path, float value)
{
lo_message msg = lo_message_new ();
lo_message_add_float (msg, value);
lo_send_message (addr, path.c_str(), msg);
lo_message_free (msg);
}
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void
OSCGlobalObserver::int_message (string path, uint32_t value)
{
lo_message msg = lo_message_new ();
lo_message_add_int32 (msg, value);
lo_send_message (addr, path.c_str(), msg);
lo_message_free (msg);
}