diff options
Diffstat (limited to 'libs/ardour/ardour/plugin.h')
| -rw-r--r-- | libs/ardour/ardour/plugin.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/libs/ardour/ardour/plugin.h b/libs/ardour/ardour/plugin.h index c485243bd4..08f242c7b4 100644 --- a/libs/ardour/ardour/plugin.h +++ b/libs/ardour/ardour/plugin.h @@ -30,10 +30,11 @@ #include "ardour/chan_mapping.h" #include "ardour/cycles.h" #include "ardour/latent.h" -#include "ardour/plugin_insert.h" #include "ardour/libardour_visibility.h" -#include "ardour/types.h" #include "ardour/midi_state_tracker.h" +#include "ardour/plugin_insert.h" +#include "ardour/types.h" +#include "ardour/variant.h" #include <vector> #include <set> @@ -128,6 +129,8 @@ class LIBARDOUR_API Plugin : public PBD::StatefulDestructible, public Latent bool max_unbound; bool enumeration; bool midinote; ///< only used if integer_step is also true + uint32_t key; ///< for properties + Variant::Type datatype; ///< for properties }; XMLNode& get_state (); @@ -267,6 +270,31 @@ class LIBARDOUR_API Plugin : public PBD::StatefulDestructible, public Latent void set_cycles (uint32_t c) { _cycles = c; } cycles_t cycles() const { return _cycles; } + /** Get a descrption of all properties supported by this plugin. + * + * Properties are distinct from parameters in that they are potentially + * dynamic, referred to by key, and do not correspond 1:1 with ports. + * + * For LV2 plugins, properties are implemented by sending/receiving set/get + * messages to/from the plugin via event ports. + */ + virtual void get_supported_properties(std::vector<ParameterDescriptor>& descs) {} + + /** Set a property from the UI. + * + * This is not UI-specific, but may only be used by one thread. If the + * Ardour UI is present, that is the UI thread, but otherwise, any thread + * except the audio thread may call this function as long as it is not + * called concurrently. + */ + virtual void set_property(uint32_t key, const Variant& value) {} + + /** Emit PropertyChanged for all current property values. */ + virtual void announce_property_values() {} + + /** Emitted when a property is changed in the plugin. */ + PBD::Signal2<void, uint32_t, Variant> PropertyChanged; + PBD::Signal1<void,uint32_t> StartTouch; PBD::Signal1<void,uint32_t> EndTouch; |