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/*
* Copyright (C) 2020 Luciano Iam <lucianito@gmail.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ardour/meter.h"
#include "ardour/plugin_insert.h"
#include "ardour/session.h"
#include "ardour/tempo.h"
#include "feedback.h"
#include "globals.h"
#include "server.h"
#include "state.h"
#include "strips.h"
using namespace ARDOUR;
struct TempoObserver {
void operator() (ArdourFeedback* p)
{
p->update_all (Node::tempo, p->globals ().tempo ());
}
};
struct StripGainObserver {
void operator() (ArdourFeedback* p, uint32_t strip_n)
{
// fires multiple times (4x as of ardour 6.0)
p->update_all (Node::strip_gain, strip_n, p->strips ().strip_gain (strip_n));
}
};
struct StripPanObserver {
void operator() (ArdourFeedback* p, uint32_t strip_n)
{
p->update_all (Node::strip_pan, strip_n, p->strips ().strip_pan (strip_n));
}
};
struct StripMuteObserver {
void operator() (ArdourFeedback* p, uint32_t strip_n)
{
p->update_all (Node::strip_mute, strip_n, p->strips ().strip_mute (strip_n));
}
};
struct PluginBypassObserver {
void operator() (ArdourFeedback* p, uint32_t strip_n, uint32_t plugin_n)
{
p->update_all (Node::strip_plugin_enable, strip_n, plugin_n,
p->strips ().strip_plugin_enabled (strip_n, plugin_n));
}
};
struct PluginParamValueObserver {
void operator() (ArdourFeedback* p, uint32_t strip_n, uint32_t plugin_n,
uint32_t param_n, boost::weak_ptr<AutomationControl> ctrl)
{
boost::shared_ptr<AutomationControl> control = ctrl.lock ();
if (!control) {
return;
}
p->update_all (Node::strip_plugin_param_value, strip_n, plugin_n, param_n,
ArdourStrips::plugin_param_value (control));
}
};
int
ArdourFeedback::start ()
{
observe_globals ();
observe_strips ();
// some things need polling like the strip meters
Glib::RefPtr<Glib::TimeoutSource> periodic_timeout = Glib::TimeoutSource::create (100); // ms
_periodic_connection = periodic_timeout->connect (sigc::mem_fun (*this,
&ArdourFeedback::poll));
periodic_timeout->attach (main_loop ()->get_context ());
return 0;
}
int
ArdourFeedback::stop ()
{
_periodic_connection.disconnect ();
_signal_connections.drop_connections ();
return 0;
}
void
ArdourFeedback::update_all (std::string node, TypedValue value) const
{
update_all (node, ADDR_NONE, ADDR_NONE, ADDR_NONE, value);
}
void
ArdourFeedback::update_all (std::string node, uint32_t strip_n, TypedValue value) const
{
update_all (node, strip_n, ADDR_NONE, ADDR_NONE, value);
}
void
ArdourFeedback::update_all (std::string node, uint32_t strip_n, uint32_t plugin_n,
TypedValue value) const
{
update_all (node, strip_n, plugin_n, ADDR_NONE, value);
}
void
ArdourFeedback::update_all (std::string node, uint32_t strip_n, uint32_t plugin_n, uint32_t param_n,
TypedValue value) const
{
AddressVector addr = AddressVector ();
if (strip_n != ADDR_NONE) {
addr.push_back (strip_n);
}
if (plugin_n != ADDR_NONE) {
addr.push_back (plugin_n);
}
if (param_n != ADDR_NONE) {
addr.push_back (param_n);
}
ValueVector val = ValueVector ();
val.push_back (value);
server ().update_all_clients (NodeState (node, addr, val), false);
}
bool
ArdourFeedback::poll () const
{
for (uint32_t strip_n = 0; strip_n < strips ().strip_count (); ++strip_n) {
// meters
boost::shared_ptr<Stripable> strip = strips ().nth_strip (strip_n);
boost::shared_ptr<PeakMeter> meter = strip->peak_meter ();
float db = meter ? meter->meter_level (0, MeterMCP) : -193;
update_all (Node::strip_meter, strip_n, static_cast<double> (db));
}
return true;
}
void
ArdourFeedback::observe_globals ()
{
session ().tempo_map ().PropertyChanged.connect (_signal_connections, MISSING_INVALIDATOR,
boost::bind<void> (TempoObserver (), this), event_loop ());
}
void
ArdourFeedback::observe_strips ()
{
for (uint32_t strip_n = 0; strip_n < strips ().strip_count (); ++strip_n) {
boost::shared_ptr<Stripable> strip = strips ().nth_strip (strip_n);
strip->gain_control ()->Changed.connect (_signal_connections, MISSING_INVALIDATOR,
boost::bind<void> (StripGainObserver (), this, strip_n), event_loop ());
if (strip->pan_azimuth_control ()) {
strip->pan_azimuth_control ()->Changed.connect (_signal_connections, MISSING_INVALIDATOR,
boost::bind<void> (StripPanObserver (), this, strip_n), event_loop ());
}
strip->mute_control ()->Changed.connect (_signal_connections, MISSING_INVALIDATOR,
boost::bind<void> (StripMuteObserver (), this, strip_n), event_loop ());
observe_strip_plugins (strip_n, strip);
}
}
void
ArdourFeedback::observe_strip_plugins (uint32_t strip_n, boost::shared_ptr<ARDOUR::Stripable> strip)
{
for (uint32_t plugin_n = 0;; ++plugin_n) {
boost::shared_ptr<PluginInsert> insert = strips ().strip_plugin_insert (strip_n, plugin_n);
if (!insert) {
break;
}
uint32_t bypass = insert->plugin ()->designated_bypass_port ();
Evoral::Parameter param = Evoral::Parameter (PluginAutomation, 0, bypass);
boost::shared_ptr<AutomationControl> control = insert->automation_control (param);
if (control) {
control->Changed.connect (_signal_connections, MISSING_INVALIDATOR,
boost::bind<void> (PluginBypassObserver (), this, strip_n, plugin_n), event_loop ());
}
observe_strip_plugin_param_values (strip_n, plugin_n, insert);
}
}
void
ArdourFeedback::observe_strip_plugin_param_values (uint32_t strip_n,
uint32_t plugin_n, boost::shared_ptr<ARDOUR::PluginInsert> insert)
{
boost::shared_ptr<Plugin> plugin = insert->plugin ();
for (uint32_t param_n = 0; param_n < plugin->parameter_count (); ++param_n) {
boost::shared_ptr<AutomationControl> control = strips ().strip_plugin_param_control (
strip_n, plugin_n, param_n);
if (!control) {
continue;
}
control->Changed.connect (_signal_connections, MISSING_INVALIDATOR,
boost::bind<void> (PluginParamValueObserver (), this, strip_n, plugin_n, param_n,
boost::weak_ptr<AutomationControl>(control)),
event_loop ());
}
}
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