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Save LV2 Port Property values locally

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This keeps track of lv2:Parameter properties modified with Port:Set,
currently file-paths.
This commit is contained in:
Robin Gareus 2018-11-22 14:58:44 +01:00
parent abf1f286d4
commit f795462100
2 changed files with 14 additions and 0 deletions
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3
libs/ardour/ardour/lv2_plugin.h
View file

@ -172,6 +172,7 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
void set_property(uint32_t key, const Variant& value); void set_property(uint32_t key, const Variant& value);
const PropertyDescriptors& get_supported_properties() const { return _property_descriptors; } const PropertyDescriptors& get_supported_properties() const { return _property_descriptors; }
const ParameterDescriptor& get_property_descriptor(uint32_t id) const; const ParameterDescriptor& get_property_descriptor(uint32_t id) const;
Variant get_property_value (uint32_t) const;
void announce_property_values(); void announce_property_values();
private: private:
@ -231,6 +232,8 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
std::vector<size_t> _port_minimumSize; std::vector<size_t> _port_minimumSize;
std::map<std::string,uint32_t> _port_indices; std::map<std::string,uint32_t> _port_indices;
std::map<uint32_t, Variant> _property_values;
PropertyDescriptors _property_descriptors; PropertyDescriptors _property_descriptors;
struct AutomationCtrl { struct AutomationCtrl {

11
libs/ardour/lv2_plugin.cc
View file

@ -1992,6 +1992,16 @@ LV2Plugin::load_supported_properties(PropertyDescriptors& descs)
lilv_nodes_free(properties); lilv_nodes_free(properties);
} }
Variant
LV2Plugin::get_property_value (uint32_t prop_id) const
{
std::map<uint32_t, Variant>::const_iterator it;
if ((it = _property_values.find (prop_id)) == _property_values.end()) {
return Variant();
}
return it->second;
}
void void
LV2Plugin::announce_property_values() LV2Plugin::announce_property_values()
{ {
@ -2944,6 +2954,7 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
// Emit PropertyChanged signal for UI // Emit PropertyChanged signal for UI
// TODO: This should emit the control's Changed signal // TODO: This should emit the control's Changed signal
PropertyChanged(prop_id, Variant(Variant::PATH, path)); PropertyChanged(prop_id, Variant(Variant::PATH, path));
_property_values[prop_id] = Variant(Variant::PATH, path);
} else { } else {
std::cerr << "warning: patch:Set for unknown property" << std::endl; std::cerr << "warning: patch:Set for unknown property" << std::endl;
} }