/*
- Copyright (C) 2000-2006 Paul Davis
+ Copyright (C) 2000-2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#define __ardour_plugin_h__
#include <boost/shared_ptr.hpp>
-#include <sigc++/signal.h>
-#include <glibmm/ustring.h>
+#include <string>
-#include "pbd/statefuldestructible.h"
+#include "pbd/statefuldestructible.h"
#include "pbd/controllable.h"
#include <jack/types.h>
#include "ardour/latent.h"
#include "ardour/plugin_insert.h"
#include "ardour/types.h"
+#include "ardour/midi_state_tracker.h"
#include <vector>
#include <set>
class PluginInfo {
public:
PluginInfo () { }
- PluginInfo (const PluginInfo &o)
- : name(o.name),
- category (o.category),
- creator (o.creator),
- path (o.path),
- n_inputs(o.n_inputs),
- n_outputs(o.n_outputs),
- unique_id(o.unique_id),
- index(o.index) {}
virtual ~PluginInfo () { }
std::string name;
std::string category;
- Glib::ustring creator;
- Glib::ustring path;
+ std::string creator;
+ std::string path;
ChanCount n_inputs;
ChanCount n_outputs;
ARDOUR::PluginType type;
-
+
std::string unique_id;
virtual PluginPtr load (Session& session) = 0;
+ virtual bool is_instrument() const;
+
+ /* NOTE: this block of virtual methods looks like the interface
+ to a Processor, but Plugin does not inherit from Processor.
+ It is therefore not required that these precisely match
+ the interface, but it is likely that they will evolve together.
+ */
+
+ /* this returns true if the plugin can change its inputs or outputs on demand.
+ LADSPA, LV2 and VST plugins cannot do this. AudioUnits can.
+ */
+
+ virtual bool reconfigurable_io() const { return false; }
protected:
friend class PluginManager;
Plugin (ARDOUR::AudioEngine&, ARDOUR::Session&);
Plugin (const Plugin&);
virtual ~Plugin ();
-
+
struct ParameterDescriptor {
- /* essentially a union of LADSPA and VST info */
+ /* XXX: it would probably be nice if this initialised everything */
+ ParameterDescriptor ()
+ : enumeration (false)
+ {}
- bool integer_step;
- bool toggled;
- bool logarithmic;
- bool sr_dependent;
- std::string label;
- float lower;
- float upper;
- float step;
- float smallstep;
- float largestep;
- bool min_unbound;
- bool max_unbound;
+ /* essentially a union of LADSPA and VST info */
+
+ bool integer_step;
+ bool toggled;
+ bool logarithmic;
+ bool sr_dependent;
+ std::string label;
+ float lower; ///< if this is a frequency, it will be in Hz (not a fraction of the sample rate)
+ float upper; ///< if this is a frequency, it will be in Hz (not a fraction of the sample rate)
+ float step;
+ float smallstep;
+ float largestep;
+ bool min_unbound;
+ bool max_unbound;
+ bool enumeration;
};
+ XMLNode& get_state ();
+ virtual int set_state (const XMLNode &, int version);
+
+ virtual void set_insert_info (const PluginInsert*) {}
+
virtual std::string unique_id() const = 0;
virtual const char * label() const = 0;
virtual const char * name() const = 0;
virtual uint32_t parameter_count () const = 0;
virtual float default_value (uint32_t port) = 0;
virtual float get_parameter(uint32_t which) const = 0;
+ virtual std::string get_docs () const { return ""; }
+ virtual std::string get_parameter_docs (uint32_t /*which*/) const { return ""; }
virtual int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const = 0;
virtual uint32_t nth_parameter (uint32_t which, bool& ok) const = 0;
virtual void activate () = 0;
virtual void deactivate () = 0;
- virtual void set_block_size (nframes_t nframes) = 0;
+ virtual void flush () { deactivate(); activate(); }
+
+ virtual int set_block_size (pframes_t nframes) = 0;
virtual int connect_and_run (BufferSet& bufs,
- ChanMapping in, ChanMapping out,
- nframes_t nframes, nframes_t offset) = 0;
-
+ ChanMapping in, ChanMapping out,
+ pframes_t nframes, framecnt_t offset);
+
virtual std::set<Evoral::Parameter> automatable() const = 0;
virtual std::string describe_parameter (Evoral::Parameter) = 0;
virtual std::string state_node_name() const = 0;
virtual bool parameter_is_input(uint32_t) const = 0;
virtual bool parameter_is_output(uint32_t) const = 0;
- virtual bool save_preset (std::string uri) = 0;
- virtual bool load_preset (const std::string uri);
+ typedef std::map<const std::string, const float> ScalePoints;
+
+ virtual boost::shared_ptr<ScalePoints> get_scale_points(uint32_t /*port_index*/) const {
+ return boost::shared_ptr<ScalePoints>();
+ }
+
+ void realtime_handle_transport_stopped ();
+ void realtime_locate ();
+ void monitoring_changed ();
struct PresetRecord {
- PresetRecord(const std::string& u, const std::string& l) : uri(u), label(l) {}
- std::string uri;
- std::string label;
+ PresetRecord () : number (-1), user (true) {}
+ PresetRecord (const std::string& u, const std::string& l, int n = -1, bool s = true) : uri (u), label (l), number (n), user (s) {}
+
+ bool operator!= (PresetRecord const & a) const {
+ return number != a.number || uri != a.uri || label != a.label;
+ }
+
+ std::string uri;
+ std::string label;
+ int number; // if <0, invalid
+ bool user;
};
- virtual std::vector<PresetRecord> get_presets();
+ PresetRecord save_preset (std::string);
+ void remove_preset (std::string);
- const PresetRecord* preset_by_label(const std::string& label);
- const PresetRecord* preset_by_uri(const std::string& uri);
+ virtual bool load_preset (PresetRecord);
+ void clear_preset ();
- virtual bool has_editor() const = 0;
+ const PresetRecord * preset_by_label (const std::string &);
+ const PresetRecord * preset_by_uri (const std::string &);
- sigc::signal<void,uint32_t,float> ParameterChanged;
+ std::vector<PresetRecord> get_presets ();
- /* NOTE: this block of virtual methods looks like the interface
- to a Processor, but Plugin does not inherit from Processor.
- It is therefore not required that these precisely match
- the interface, but it is likely that they will evolve together.
+ /** @return true if this plugin will respond to MIDI program
+ * change messages by changing presets.
+ *
+ * This is hard to return a correct value for because most plugin APIs
+ * do not specify plugin behaviour. However, if you want to force
+ * the display of plugin built-in preset names rather than MIDI program
+ * numbers, return true. If you want a generic description, return
+ * false.
*/
+ virtual bool presets_are_MIDI_programs() const { return false; }
- /* this returns true if the plugin can change its inputs or outputs on demand.
- LADSPA, LV2 and VST plugins cannot do this. AudioUnits can.
- */
+ /** @return true if this plugin is General MIDI compliant, false
+ * otherwise.
+ *
+ * It is important to note that it is is almost impossible for a host
+ * (e.g. Ardour) to determine this for just about any plugin API
+ * known as of June 2012
+ */
+ virtual bool current_preset_uses_general_midi() const { return false; }
- virtual bool reconfigurable_io() const { return false; }
+ /** @return Last preset to be requested; the settings may have
+ * been changed since; find out with parameter_changed_since_last_preset.
+ */
+ PresetRecord last_preset () const {
+ return _last_preset;
+ }
+
+ bool parameter_changed_since_last_preset () const {
+ return _parameter_changed_since_last_preset;
+ }
+
+ virtual int first_user_preset_index () const {
+ return 0;
+ }
+
+ /** Emitted when a preset is added or removed, respectively */
+ PBD::Signal0<void> PresetAdded;
+ PBD::Signal0<void> PresetRemoved;
+
+ /** Emitted when a preset has been loaded */
+ PBD::Signal0<void> PresetLoaded;
+
+ virtual bool has_editor () const = 0;
+
+ /** Emitted when any parameter changes */
+ PBD::Signal2<void, uint32_t, float> ParameterChanged;
- /* this is only called if reconfigurable_io() returns true */
- virtual bool configure_io (ChanCount in, ChanCount out) { return true; }
+ virtual bool configure_io (ChanCount /*in*/, ChanCount /*out*/) { return true; }
/* specific types of plugins can overload this. As of September 2008, only
AUPlugin does this.
*/
- virtual bool can_support_io_configuration (const ChanCount& in, ChanCount& out) const { return false; }
+ virtual bool can_support_io_configuration (const ChanCount& /*in*/, ChanCount& /*out*/) const { return false; }
virtual ChanCount output_streams() const;
virtual ChanCount input_streams() const;
- PBD::Controllable *get_nth_control (uint32_t, bool do_not_create = false);
- void make_nth_control (uint32_t, const XMLNode&);
-
- PluginInfoPtr get_info() { return _info; }
- void set_info (const PluginInfoPtr inf) { _info = inf; }
+ PluginInfoPtr get_info() const { return _info; }
+ virtual void set_info (const PluginInfoPtr inf);
ARDOUR::AudioEngine& engine() const { return _engine; }
ARDOUR::Session& session() const { return _session; }
void set_cycles (uint32_t c) { _cycles = c; }
cycles_t cycles() const { return _cycles; }
- protected:
+ PBD::Signal1<void,uint32_t> StartTouch;
+ PBD::Signal1<void,uint32_t> EndTouch;
+
+protected:
+
friend class PluginInsert;
friend struct PluginInsert::PluginControl;
-
- virtual void set_parameter (uint32_t which, float val) = 0;
-
- bool save_preset (std::string uri, std::string domain /* vst, ladspa etc. */);
+
+ virtual void set_parameter (uint32_t which, float val);
+
+ /** Do the actual saving of the current plugin settings to a preset of the provided name.
+ * Should return a URI on success, or an empty string on failure.
+ */
+ virtual std::string do_save_preset (std::string) = 0;
+ /** Do the actual removal of a preset of the provided name */
+ virtual void do_remove_preset (std::string) = 0;
ARDOUR::AudioEngine& _engine;
ARDOUR::Session& _session;
PluginInfoPtr _info;
uint32_t _cycles;
- std::map<std::string,PresetRecord> presets;
+ std::map<std::string, PresetRecord> _presets;
+
+private:
+
+ /** Fill _presets with our presets */
+ virtual void find_presets () = 0;
+
+ /** Add state to an existing XMLNode */
+ virtual void add_state (XMLNode *) const = 0;
+
+ bool _have_presets;
+ MidiStateTracker _tracker;
+ BufferSet _pending_stop_events;
+ bool _have_pending_stop_events;
+ PresetRecord _last_preset;
+ bool _parameter_changed_since_last_preset;
+
+ void resolve_midi ();
};
PluginPtr find_plugin(ARDOUR::Session&, std::string unique_id, ARDOUR::PluginType);
} // namespace ARDOUR
-
+
#endif /* __ardour_plugin_h__ */