ardour/livetrax
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LV2: keep track of supported properties

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Register all plugin props that we may be interested in
to _property_values, and later intercept all messages for
registered properties (not just atom_Path).
This commit is contained in:
Robin Gareus 2020-06-23 20:21:09 +02:00
parent cf0f1fd6c3
commit c313b006cf
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 26 additions and 15 deletions
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41
libs/ardour/lv2_plugin.cc
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@ -2025,6 +2025,8 @@ LV2Plugin::load_supported_properties(PropertyDescriptors& descs)
load_parameter_descriptor(_world, desc, datatype, prop);
descs.insert(std::make_pair(desc.key, desc));
_property_values[desc.key] = Variant();
lilv_node_free(range);
}
lilv_nodes_free(properties);
@ -2842,11 +2844,12 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
_uri_map.urids.patch_value, &value,
0);
if (property && value &&
property->type == _uri_map.urids.atom_URID &&
value->type == _uri_map.urids.atom_Path) {
/* mark session (and preset) as modified */
Plugin::state_changed ();
if (property && value && property->type == _uri_map.urids.atom_URID) {
/* check if it's a property we know or care about */
const uint32_t prop_id = ((const LV2_Atom_URID*)property)->body;
if (_property_values.find (prop_id) != _property_values.end()) {
Plugin::state_changed ();
}
}
}
}
@ -3040,18 +3043,26 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
_uri_map.urids.patch_value, &value,
0);
if (property && value &&
property->type == _uri_map.urids.atom_URID &&
value->type == _uri_map.urids.atom_Path) {
const uint32_t prop_id = ((const LV2_Atom_URID*)property)->body;
const char* path = (const char*)LV2_ATOM_BODY_CONST(value);
if (property && value && property->type == _uri_map.urids.atom_URID) {
const uint32_t prop_id = ((const LV2_Atom_URID*)property)->body;
if (_property_values.find (prop_id) != _property_values.end()) {
if (value->type == _uri_map.urids.atom_Path) {
const char* path = (const char*)LV2_ATOM_BODY_CONST(value);
_property_values[prop_id] = Variant(Variant::PATH, path);
}
if (value->type == _uri_map.urids.atom_Float) {
const float* val = (float*)LV2_ATOM_BODY_CONST(value);
_property_values[prop_id] = Variant(Variant::FLOAT, *val);
}
// TODO add support for other props (Int, Bool, ..)
// Emit PropertyChanged signal for UI
// TODO: This should emit the control's Changed signal
PropertyChanged(prop_id, Variant(Variant::PATH, path));
_property_values[prop_id] = Variant(Variant::PATH, path);
// TODO: This should emit the control's Changed signal
PropertyChanged(prop_id, _property_values[prop_id]);
} else {
std::cerr << "warning: patch:Set for unknown property" << std::endl;
}
} else {
std::cerr << "warning: patch:Set for unknown property" << std::endl;
std::cerr << "warning: patch:Set for unsupported property" << std::endl;
}
}
}