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.
21 #ifndef __ardour_ladspa_plugin_h__
22 #define __ardour_ladspa_plugin_h__
30 #include <sigc++/signal.h>
32 #include <pbd/stateful.h>
34 #include <jack/types.h>
35 #include <ardour/ladspa.h>
36 #include <ardour/plugin_state.h>
37 #include <ardour/plugin.h>
38 #include <ardour/ladspa_plugin.h>
48 class LadspaPlugin : public ARDOUR::Plugin
51 LadspaPlugin (void *module, ARDOUR::AudioEngine&, ARDOUR::Session&, uint32_t index, nframes_t sample_rate);
52 LadspaPlugin (const LadspaPlugin &);
55 /* Plugin interface */
57 uint32_t unique_id() const { return descriptor->UniqueID; }
58 const char * label() const { return descriptor->Label; }
59 const char * name() const { return descriptor->Name; }
60 const char * maker() const { return descriptor->Maker; }
61 uint32_t parameter_count() const { return descriptor->PortCount; }
62 float default_value (uint32_t port);
63 nframes_t latency() const;
64 void set_parameter (uint32_t port, float val);
65 float get_parameter (uint32_t port) const;
66 int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
67 std::set<uint32_t> automatable() const;
68 uint32_t nth_parameter (uint32_t port, bool& ok) const;
70 if (descriptor->activate) {
71 descriptor->activate (handle);
76 if (descriptor->deactivate)
77 descriptor->deactivate (handle);
80 if (was_activated && descriptor->cleanup) {
81 descriptor->cleanup (handle);
84 void set_block_size (nframes_t nframes) {}
86 int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset);
87 void store_state (ARDOUR::PluginState&);
88 void restore_state (ARDOUR::PluginState&);
89 string describe_parameter (uint32_t);
90 string state_node_name() const { return "ladspa"; }
91 void print_parameter (uint32_t, char*, uint32_t len) const;
93 bool parameter_is_audio(uint32_t) const;
94 bool parameter_is_control(uint32_t) const;
95 bool parameter_is_input(uint32_t) const;
96 bool parameter_is_output(uint32_t) const;
97 bool parameter_is_toggled(uint32_t) const;
100 int set_state(const XMLNode& node);
101 bool save_preset(string name);
103 bool has_editor() const { return false; }
105 int require_output_streams (uint32_t);
109 LADSPA_Properties properties() const { return descriptor->Properties; }
110 uint32_t index() const { return _index; }
111 const char * copyright() const { return descriptor->Copyright; }
112 LADSPA_PortDescriptor port_descriptor(uint32_t i) const { return descriptor->PortDescriptors[i]; }
113 const LADSPA_PortRangeHint * port_range_hints() const { return descriptor->PortRangeHints; }
114 const char * const * port_names() const { return descriptor->PortNames; }
115 void set_gain (float gain) {
116 descriptor->set_run_adding_gain (handle, gain);
118 void run_adding (uint32_t nsamples) {
119 descriptor->run_adding (handle, nsamples);
121 void connect_port (uint32_t port, float *ptr) {
122 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 (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__ */