2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef __ardour_ladspa_h__
22 #define __ardour_ladspa_h__
24 #include <midi++/controllable.h>
25 #include <sigc++/signal.h>
27 #include <jack/types.h>
28 #include <ardour/types.h>
29 #include <ardour/stateful.h>
30 #include <ardour/plugin_state.h>
31 #include <ardour/cycles.h>
56 PluginInfo (const PluginInfo &o)
57 : name(o.name), n_inputs(o.n_inputs), n_outputs(o.n_outputs),
58 unique_id(o.unique_id), path (o.path), index(o.index) {}
69 friend class PluginManager;
74 class Plugin : public Stateful, public sigc::trackable
78 Plugin (ARDOUR::AudioEngine&, ARDOUR::Session&);
79 Plugin (const Plugin&);
82 struct ParameterDescriptor {
84 /* essentially a union of LADSPA and VST info */
101 virtual uint32_t unique_id() const = 0;
102 virtual const char * label() const = 0;
103 virtual const char * name() const = 0;
104 virtual const char * maker() const = 0;
105 virtual uint32_t parameter_count () const = 0;
106 virtual float default_value (uint32_t port) = 0;
107 virtual jack_nframes_t latency() const = 0;
108 virtual void set_parameter (uint32_t which, float val) = 0;
109 virtual float get_parameter(uint32_t which) const = 0;
111 virtual int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const = 0;
112 virtual uint32_t nth_parameter (uint32_t which, bool& ok) const = 0;
113 virtual void activate () = 0;
114 virtual void deactivate () = 0;
115 virtual void set_block_size (jack_nframes_t nframes) = 0;
117 virtual int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, jack_nframes_t nframes, jack_nframes_t offset) = 0;
118 virtual std::set<uint32_t> automatable() const = 0;
119 virtual void store_state (ARDOUR::PluginState&) = 0;
120 virtual void restore_state (ARDOUR::PluginState&) = 0;
121 virtual string describe_parameter (uint32_t) = 0;
122 virtual string state_node_name() const = 0;
123 virtual void print_parameter (uint32_t, char*, uint32_t len) const = 0;
125 virtual bool parameter_is_audio(uint32_t) const = 0;
126 virtual bool parameter_is_control(uint32_t) const = 0;
127 virtual bool parameter_is_input(uint32_t) const = 0;
128 virtual bool parameter_is_output(uint32_t) const = 0;
130 virtual bool save_preset(string name) = 0;
131 virtual bool load_preset (const string preset_label);
132 virtual std::vector<std::string> get_presets();
134 virtual bool has_editor() const = 0;
136 sigc::signal<void,uint32_t,float> ParameterChanged;
137 sigc::signal<void,Plugin *> GoingAway;
139 void reset_midi_control (MIDI::Port*, bool);
140 void send_all_midi_feedback ();
141 MIDI::byte* write_midi_feedback (MIDI::byte*, int32_t& bufsize);
142 MIDI::Controllable *get_nth_midi_control (uint32_t);
144 PluginInfo & get_info() { return _info; }
145 void set_info (const PluginInfo &inf) { _info = inf; }
147 ARDOUR::AudioEngine& engine() const { return _engine; }
148 ARDOUR::Session& session() const { return _session; }
150 void set_cycles (uint32_t c) { _cycles = c; }
151 cycles_t cycles() const { return _cycles; }
154 ARDOUR::AudioEngine& _engine;
155 ARDOUR::Session& _session;
158 map<string,string> presets;
159 bool save_preset(string name, string domain /* vst, ladspa etc. */);
161 void setup_midi_controls ();
164 struct MIDIPortControl : public MIDI::Controllable {
165 MIDIPortControl (Plugin&, uint32_t abs_port_id, MIDI::Port *,
166 float lower, float upper, bool toggled, bool logarithmic);
168 void set_value (float);
169 void send_feedback (float);
170 MIDI::byte* write_feedback (MIDI::byte* buf, int32_t& bufsize, float val, bool force = false);
173 uint32_t absolute_port;
184 vector<MIDIPortControl*> midi_controls;
189 /* this is actually defined in plugin_manager.cc */
191 Plugin * find_plugin(ARDOUR::Session&, string name, long unique_id, PluginInfo::Type);
193 } // namespace ARDOUR
195 #endif /* __ardour_plugin_h__ */