2 Copyright (C) 2000-2006 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.
20 #ifndef __ardour_ladspa_plugin_h__
21 #define __ardour_ladspa_plugin_h__
28 #include <sigc++/signal.h>
30 #include <pbd/stateful.h>
32 #include <jack/types.h>
33 #include <ardour/ladspa.h>
34 #include <ardour/plugin.h>
40 class LadspaPlugin : public ARDOUR::Plugin
43 LadspaPlugin (void *module, ARDOUR::AudioEngine&, ARDOUR::Session&, uint32_t index, nframes_t sample_rate);
44 LadspaPlugin (const LadspaPlugin &);
47 /* Plugin interface */
49 std::string unique_id() const;
50 const char* label() const { return _descriptor->Label; }
51 const char* name() const { return _descriptor->Name; }
52 const char* maker() const { return _descriptor->Maker; }
53 uint32_t parameter_count() const { return _descriptor->PortCount; }
54 float default_value (uint32_t port);
55 nframes_t signal_latency() const;
56 void set_parameter (uint32_t port, float val);
57 float get_parameter (uint32_t port) const;
58 int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
59 uint32_t nth_parameter (uint32_t port, bool& ok) const;
61 std::set<Evoral::Parameter> automatable() const;
64 if (!_was_activated && _descriptor->activate)
65 _descriptor->activate (_handle);
67 _was_activated = true;
71 if (_was_activated && _descriptor->deactivate)
72 _descriptor->deactivate (_handle);
74 _was_activated = false;
81 if (_descriptor->cleanup)
82 _descriptor->cleanup (_handle);
85 void set_block_size (nframes_t nframes) {}
87 int connect_and_run (BufferSet& bufs, uint32_t& in, uint32_t& out, nframes_t nframes, nframes_t offset);
88 std::string describe_parameter (Evoral::Parameter);
89 std::string state_node_name() const { return "ladspa"; }
90 void print_parameter (uint32_t, char*, uint32_t len) const;
92 bool parameter_is_audio(uint32_t) const;
93 bool parameter_is_control(uint32_t) const;
94 bool parameter_is_input(uint32_t) const;
95 bool parameter_is_output(uint32_t) const;
96 bool parameter_is_toggled(uint32_t) const;
99 int set_state(const XMLNode& node);
100 bool save_preset(std::string name);
102 bool has_editor() const { return false; }
104 int require_output_streams (uint32_t);
108 LADSPA_Properties properties() const { return _descriptor->Properties; }
109 uint32_t index() const { return _index; }
110 const char * copyright() const { return _descriptor->Copyright; }
111 LADSPA_PortDescriptor port_descriptor(uint32_t i) const { return _descriptor->PortDescriptors[i]; }
112 const LADSPA_PortRangeHint* port_range_hints() const { return _descriptor->PortRangeHints; }
113 const char * const * port_names() const { return _descriptor->PortNames; }
115 void set_gain (float gain) { _descriptor->set_run_adding_gain (_handle, gain); }
116 void run_adding (uint32_t nsamples) { _descriptor->run_adding (_handle, nsamples); }
117 void connect_port (uint32_t port, float *ptr) { _descriptor->connect_port (_handle, port, ptr); }
121 const LADSPA_Descriptor* _descriptor;
122 LADSPA_Handle _handle;
123 nframes_t _sample_rate;
124 LADSPA_Data* _control_data;
125 LADSPA_Data* _shadow_data;
126 LADSPA_Data* _latency_control_port;
130 void init (void *mod, uint32_t index, nframes_t rate);
131 void run_in_place (nframes_t nsamples);
132 void latency_compute_run ();
135 class LadspaPluginInfo : public PluginInfo {
137 LadspaPluginInfo () { };
138 ~LadspaPluginInfo () { };
140 PluginPtr load (Session& session);
143 typedef boost::shared_ptr<LadspaPluginInfo> LadspaPluginInfoPtr;
145 } // namespace ARDOUR
147 #endif /* __ardour_ladspa_plugin_h__ */