nominally add MIDI input support for AudioUnit plugins

[ardour.git] / libs / ardour / ardour / plugin.h

diff --git a/libs/ardour/ardour/plugin.h b/libs/ardour/ardour/plugin.h
index a1fe25d31d063140d537d970c53844e3328d19ac..3d7c8d9c335c440da466b2ca7b0cc14677468303 100644 (file)
--- a/libs/ardour/ardour/plugin.h
+++ b/libs/ardour/ardour/plugin.h
@@ -1,5 +1,5 @@
 /*
-    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
@@ -21,10 +21,9 @@
 #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>
@@ -52,25 +51,16 @@ typedef boost::shared_ptr<Plugin> PluginPtr;
 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;
@@ -89,23 +79,23 @@ class Plugin : public PBD::StatefulDestructible, public Latent
        Plugin (ARDOUR::AudioEngine&, ARDOUR::Session&);
        Plugin (const Plugin&);
        virtual ~Plugin ();
-       
+
        struct ParameterDescriptor {
 
-           /* essentially a union of LADSPA and VST info */
-
-           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;
+               float upper;
+               float step;
+               float smallstep;
+               float largestep;
+               bool min_unbound;
+               bool max_unbound;
        };
 
        virtual std::string unique_id() const = 0;
@@ -120,12 +110,14 @@ class Plugin : public PBD::StatefulDestructible, public Latent
        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 (nframes_t nframes) = 0;
 
        virtual int connect_and_run (BufferSet& bufs,
                        ChanMapping in, ChanMapping out,
                        nframes_t nframes, nframes_t offset) = 0;
-       
+
        virtual std::set<Evoral::Parameter> automatable() const = 0;
        virtual std::string describe_parameter (Evoral::Parameter) = 0;
        virtual std::string state_node_name() const = 0;
@@ -136,8 +128,8 @@ class Plugin : public PBD::StatefulDestructible, public Latent
        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);
+       virtual bool save_preset (std::string) = 0;
+       virtual bool load_preset (const std::string& uri);
 
        struct PresetRecord {
                PresetRecord(const std::string& u, const std::string& l) : uri(u), label(l) {}
@@ -146,13 +138,16 @@ class Plugin : public PBD::StatefulDestructible, public Latent
        };
 
        virtual std::vector<PresetRecord> get_presets();
+       virtual std::string current_preset() const { return std::string(); }
+
+       static PBD::Signal0<bool> PresetFileExists;
 
        const PresetRecord* preset_by_label(const std::string& label);
        const PresetRecord* preset_by_uri(const std::string& uri);
 
        virtual bool has_editor() const = 0;
 
-       sigc::signal<void,uint32_t,float> ParameterChanged;
+       PBD::Signal2<void,uint32_t,float> ParameterChanged;
 
        /* NOTE: this block of virtual methods looks like the interface
           to a Processor, but Plugin does not inherit from Processor.
@@ -176,10 +171,7 @@ class Plugin : public PBD::StatefulDestructible, public Latent
        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; }
+       PluginInfoPtr get_info() const { return _info; }
        void set_info (const PluginInfoPtr inf) { _info = inf; }
 
        ARDOUR::AudioEngine& engine() const { return _engine; }
@@ -191,10 +183,10 @@ class Plugin : public PBD::StatefulDestructible, public Latent
   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. */);
+
+       bool save_preset (std::string, std::string /* vst, ladspa etc. */);
 
        ARDOUR::AudioEngine&     _engine;
        ARDOUR::Session&         _session;
@@ -206,5 +198,5 @@ class Plugin : public PBD::StatefulDestructible, public Latent
 PluginPtr find_plugin(ARDOUR::Session&, std::string unique_id, ARDOUR::PluginType);
 
 } // namespace ARDOUR
- 
+
 #endif /* __ardour_plugin_h__ */