diff options
Diffstat (limited to 'libs/ardour/lv2_plugin.cc')
| -rw-r--r-- | libs/ardour/lv2_plugin.cc | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc index cf33c22424..dca91fd646 100644 --- a/libs/ardour/lv2_plugin.cc +++ b/libs/ardour/lv2_plugin.cc @@ -66,6 +66,7 @@ #include "lv2/lv2plug.in/ns/ext/worker/worker.h" #include "lv2/lv2plug.in/ns/ext/resize-port/resize-port.h" #include "lv2/lv2plug.in/ns/extensions/ui/ui.h" +#include "lv2/lv2plug.in/ns/extensions/units/units.h" #include "lv2/lv2plug.in/ns/ext/patch/patch.h" #ifdef HAVE_LV2_1_2_0 #include "lv2/lv2plug.in/ns/ext/buf-size/buf-size.h" @@ -138,6 +139,7 @@ public: LilvNode* ui_GtkUI; LilvNode* ui_external; LilvNode* ui_externalkx; + LilvNode* units_db; LilvNode* units_unit; LilvNode* units_midiNote; LilvNode* patch_writable; @@ -1312,10 +1314,10 @@ LV2Plugin::get_property_descriptor(uint32_t id) const } static void -set_parameter_descriptor(LV2World& world, - ParameterDescriptor& desc, - Variant::Type datatype, - const LilvNode* subject) +load_parameter_descriptor(LV2World& world, + ParameterDescriptor& desc, + Variant::Type datatype, + const LilvNode* subject) { LilvWorld* lworld = _world.world; LilvNode* label = lilv_world_get(lworld, subject, _world.rdfs_label, NULL); @@ -1337,6 +1339,12 @@ set_parameter_descriptor(LV2World& world, desc.datatype = datatype; desc.toggled |= datatype == Variant::BOOL; desc.integer_step |= datatype == Variant::INT || datatype == Variant::LONG; + if (lilv_world_ask(lworld, subject, _world.units_unit, _world.units_midiNote)) { + desc.unit = ParameterDescriptor::MIDI_NOTE; + } else if (lilv_world_ask(lworld, subject, _world.units_unit, _world.units_db)) { + desc.unit = ParameterDescriptor::DB; + } + desc.update_steps(); } void @@ -1368,7 +1376,7 @@ LV2Plugin::load_supported_properties(PropertyDescriptors& descs) ParameterDescriptor desc; desc.key = _uri_map.uri_to_id(lilv_node_as_uri(prop)); desc.datatype = datatype; - set_parameter_descriptor(_world, desc, datatype, prop); + load_parameter_descriptor(_world, desc, datatype, prop); descs.insert(std::make_pair(desc.key, desc)); lilv_node_free(range); @@ -1560,6 +1568,8 @@ LV2Plugin::get_parameter_descriptor(uint32_t which, ParameterDescriptor& desc) c lilv_port_get_range(_impl->plugin, port, &def, &min, &max); portunits = lilv_port_get_value(_impl->plugin, port, _world.units_unit); + // TODO: Once we can rely on lilv 0.18.0 being present, + // load_parameter_descriptor() can be used for ports as well desc.integer_step = lilv_port_has_property(_impl->plugin, port, _world.lv2_integer); desc.toggled = lilv_port_has_property(_impl->plugin, port, _world.lv2_toggled); desc.logarithmic = lilv_port_has_property(_impl->plugin, port, _world.ext_logarithmic); @@ -1567,7 +1577,11 @@ LV2Plugin::get_parameter_descriptor(uint32_t which, ParameterDescriptor& desc) c desc.label = lilv_node_as_string(lilv_port_get_name(_impl->plugin, port)); desc.lower = min ? lilv_node_as_float(min) : 0.0f; desc.upper = max ? lilv_node_as_float(max) : 1.0f; - desc.midinote = lilv_nodes_contains(portunits, _world.units_midiNote); + if (lilv_nodes_contains(portunits, _world.units_midiNote)) { + desc.unit = ParameterDescriptor::MIDI_NOTE; + } else if (lilv_nodes_contains(portunits, _world.units_db)) { + desc.unit = ParameterDescriptor::DB; + } if (desc.sr_dependent) { desc.lower *= _session.frame_rate (); @@ -1577,20 +1591,11 @@ LV2Plugin::get_parameter_descriptor(uint32_t which, ParameterDescriptor& desc) c desc.min_unbound = false; // TODO: LV2 extension required desc.max_unbound = false; // TODO: LV2 extension required - if (desc.integer_step) { - desc.step = 1.0; - desc.smallstep = 0.1; - desc.largestep = 10.0; - } else { - const float delta = desc.upper - desc.lower; - desc.step = delta / 1000.0f; - desc.smallstep = delta / 10000.0f; - desc.largestep = delta / 10.0f; - } - desc.enumeration = lilv_port_has_property(_impl->plugin, port, _world.lv2_enumeration); desc.scale_points = get_scale_points(which); + desc.update_steps(); + lilv_node_free(def); lilv_node_free(min); lilv_node_free(max); @@ -2274,8 +2279,9 @@ LV2World::LV2World() ui_GtkUI = lilv_new_uri(world, LV2_UI__GtkUI); ui_external = lilv_new_uri(world, "http://lv2plug.in/ns/extensions/ui#external"); ui_externalkx = lilv_new_uri(world, "http://kxstudio.sf.net/ns/lv2ext/external-ui#Widget"); - units_unit = lilv_new_uri(world, "http://lv2plug.in/ns/extensions/units#unit"); - units_midiNote = lilv_new_uri(world, "http://lv2plug.in/ns/extensions/units#midiNote"); + units_unit = lilv_new_uri(world, LV2_UNITS__unit); + units_midiNote = lilv_new_uri(world, LV2_UNITS__midiNote); + units_db = lilv_new_uri(world, LV2_UNITS__db); patch_writable = lilv_new_uri(world, LV2_PATCH__writable); patch_Message = lilv_new_uri(world, LV2_PATCH__Message); } @@ -2285,6 +2291,7 @@ LV2World::~LV2World() lilv_node_free(patch_Message); lilv_node_free(patch_writable); lilv_node_free(units_midiNote); + lilv_node_free(units_db); lilv_node_free(units_unit); lilv_node_free(ui_externalkx); lilv_node_free(ui_external); |