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__
29 #include <sigc++/signal.h>
31 #include <pbd/stateful.h>
33 #include <jack/types.h>
34 #include <ardour/ladspa.h>
35 #include <ardour/plugin.h>
36 #include <ardour/ladspa_plugin.h>
46 class LadspaPlugin : public ARDOUR::Plugin
49 LadspaPlugin (void *module, ARDOUR::AudioEngine&, ARDOUR::Session&, uint32_t index, nframes_t sample_rate);
50 LadspaPlugin (const LadspaPlugin &);
53 /* Plugin interface */
55 std::string unique_id() const;
56 const char* label() const { return _descriptor->Label; }
57 const char* name() const { return _descriptor->Name; }
58 const char* maker() const { return _descriptor->Maker; }
59 uint32_t parameter_count() const { return _descriptor->PortCount; }
60 float default_value (uint32_t port);
61 nframes_t signal_latency() const;
62 void set_parameter (uint32_t port, float val);
63 float get_parameter (uint32_t port) const;
64 int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
65 uint32_t nth_parameter (uint32_t port, bool& ok) const;
67 std::set<Parameter> automatable() const;
70 if (!_was_activated && _descriptor->activate)
71 _descriptor->activate (_handle);
73 _was_activated = true;
77 if (_was_activated && _descriptor->deactivate)
78 _descriptor->deactivate (_handle);
80 _was_activated = false;
87 if (_descriptor->cleanup)
88 _descriptor->cleanup (_handle);
91 void set_block_size (nframes_t nframes) {}
93 int connect_and_run (BufferSet& bufs, uint32_t& in, uint32_t& out, nframes_t nframes, nframes_t offset);
94 string describe_parameter (Parameter);
95 string state_node_name() const { return "ladspa"; }
96 void print_parameter (uint32_t, char*, uint32_t len) const;
98 bool parameter_is_audio(uint32_t) const;
99 bool parameter_is_control(uint32_t) const;
100 bool parameter_is_input(uint32_t) const;
101 bool parameter_is_output(uint32_t) const;
102 bool parameter_is_toggled(uint32_t) const;
104 XMLNode& get_state();
105 int set_state(const XMLNode& node);
106 bool save_preset(string name);
108 bool has_editor() const { return false; }
110 int require_output_streams (uint32_t);
114 LADSPA_Properties properties() const { return _descriptor->Properties; }
115 uint32_t index() const { return _index; }
116 const char * copyright() const { return _descriptor->Copyright; }
117 LADSPA_PortDescriptor port_descriptor(uint32_t i) const { return _descriptor->PortDescriptors[i]; }
118 const LADSPA_PortRangeHint* port_range_hints() const { return _descriptor->PortRangeHints; }
119 const char * const * port_names() const { return _descriptor->PortNames; }
121 void set_gain (float gain) { _descriptor->set_run_adding_gain (_handle, gain); }
122 void run_adding (uint32_t nsamples) { _descriptor->run_adding (_handle, nsamples); }
123 void connect_port (uint32_t port, float *ptr) { _descriptor->connect_port (_handle, port, ptr); }
127 const LADSPA_Descriptor* _descriptor;
128 LADSPA_Handle _handle;
129 nframes_t _sample_rate;
130 LADSPA_Data* _control_data;
131 LADSPA_Data* _shadow_data;
132 LADSPA_Data* _latency_control_port;
136 void init (void *mod, uint32_t index, nframes_t rate);
137 void run_in_place (nframes_t nsamples);
138 void latency_compute_run ();
141 class LadspaPluginInfo : public PluginInfo {
143 LadspaPluginInfo () { };
144 ~LadspaPluginInfo () { };
146 PluginPtr load (Session& session);
149 typedef boost::shared_ptr<LadspaPluginInfo> LadspaPluginInfoPtr;
151 } // namespace ARDOUR
153 #endif /* __ardour_ladspa_plugin_h__ */