ardour/livetrax
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Add interface to inform plugins about replicated instances

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This allows for asking plugins to synchronize internal state
that isn't visible to the host between plugin instances.
This commit is contained in:
Robin Gareus 2020-10-05 16:47:26 +02:00
parent 0fac5c9c2c
commit a28b1f548e
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
3 changed files with 22 additions and 0 deletions
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3
libs/ardour/ardour/plugin.h
View File

@ -177,6 +177,9 @@ public:
void realtime_locate (bool);
void monitoring_changed ();
virtual void add_slave (boost::shared_ptr<Plugin>, bool realtime) {}
virtual void remove_slave (boost::shared_ptr<Plugin>) {}
struct UILayoutHint {
UILayoutHint () : x0 (-1), x1 (-1), y0 (-1), y1 (-1), knob (false) { }
int x0;

1
libs/ardour/ardour/plugin_insert.h
View File

@ -421,6 +421,7 @@ private:
boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
void add_plugin (boost::shared_ptr<Plugin>);
void plugin_removed (boost::weak_ptr<Plugin>);
void add_sidechain_from_xml (const XMLNode& node, int version);

18
libs/ardour/plugin_insert.cc
View File

@ -3151,6 +3151,9 @@ PluginInsert::get_impulse_analysis_plugin()
ret->configure_io (internal_input_streams (), out);
ret->set_owner (_owner);
_impulseAnalysisPlugin = ret;
_plugins[0]->add_slave (ret, false);
ret->DropReferences.connect_same_thread (*this, boost::bind (&PluginInsert::plugin_removed, this, _impulseAnalysisPlugin));
} else {
ret = _impulseAnalysisPlugin.lock();
}
@ -3212,6 +3215,21 @@ PluginInsert::add_plugin (boost::shared_ptr<Plugin> plugin)
#endif
_plugins.push_back (plugin);
if (_plugins.size() > 1) {
_plugins[0]->add_slave (plugin, true);
plugin->DropReferences.connect_same_thread (*this, boost::bind (&PluginInsert::plugin_removed, this, boost::weak_ptr<Plugin> (plugin)));
}
}
void
PluginInsert::plugin_removed (boost::weak_ptr<Plugin> wp)
{
boost::shared_ptr<Plugin> plugin = wp.lock();
if (_plugins.size () == 0 || !plugin) {
return;
}
_plugins[0]->remove_slave (plugin);
}
void