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_state.h>
36 #include <ardour/plugin.h>
37 #include <ardour/ladspa_plugin.h>
47 class LadspaPlugin : public ARDOUR::Plugin
50 LadspaPlugin (void *module, ARDOUR::AudioEngine&, ARDOUR::Session&, uint32_t index, nframes_t sample_rate);
51 LadspaPlugin (const LadspaPlugin &);
54 /* Plugin interface */
56 uint32_t unique_id() const { return descriptor->UniqueID; }
57 const char * label() const { return descriptor->Label; }
58 const char * name() const { return descriptor->Name; }
59 const char * maker() const { return descriptor->Maker; }
60 uint32_t parameter_count() const { return descriptor->PortCount; }
61 float default_value (uint32_t port);
62 nframes_t latency() const;
63 void set_parameter (uint32_t port, float val);
64 float get_parameter (uint32_t port) const;
65 int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
66 std::set<uint32_t> automatable() const;
67 uint32_t nth_parameter (uint32_t port, bool& ok) const;
69 if (descriptor->activate) {
70 descriptor->activate (handle);
75 if (descriptor->deactivate)
76 descriptor->deactivate (handle);
79 if (was_activated && descriptor->cleanup) {
80 descriptor->cleanup (handle);
83 void set_block_size (nframes_t nframes) {}
85 int connect_and_run (BufferSet& bufs, uint32_t& in, uint32_t& out, nframes_t nframes, nframes_t offset);
86 void store_state (ARDOUR::PluginState&);
87 void restore_state (ARDOUR::PluginState&);
88 string describe_parameter (uint32_t);
89 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(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; }
114 void set_gain (float gain) {
115 descriptor->set_run_adding_gain (handle, gain);
117 void run_adding (uint32_t nsamples) {
118 descriptor->run_adding (handle, nsamples);
120 void connect_port (uint32_t port, float *ptr) {
121 descriptor->connect_port (handle, port, ptr);
126 const LADSPA_Descriptor *descriptor;
127 LADSPA_Handle handle;
128 nframes_t sample_rate;
129 LADSPA_Data *control_data;
130 LADSPA_Data *shadow_data;
131 LADSPA_Data *latency_control_port;
135 void init (void *mod, uint32_t index, nframes_t rate);
136 void run (nframes_t nsamples);
137 void latency_compute_run ();
140 class LadspaPluginInfo : public PluginInfo {
142 LadspaPluginInfo () { };
143 ~LadspaPluginInfo () { };
145 PluginPtr load (Session& session);
148 typedef boost::shared_ptr<LadspaPluginInfo> LadspaPluginInfoPtr;
150 } // namespace ARDOUR
152 #endif /* __ardour_ladspa_plugin_h__ */