2 Copyright (C) 2016 Robin Gareus <robin@gareus.org>
3 Copyright (C) 2006 Paul Davis
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the Free
7 Software Foundation; either version 2 of the License, or (at your option)
10 This program is distributed in the hope that it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_luaproc_h__
21 #define __ardour_luaproc_h__
27 #include "pbd/reallocpool.h"
28 #include "pbd/stateful.h"
30 #include "ardour/types.h"
31 #include "ardour/plugin.h"
32 #include "ardour/luascripting.h"
33 #include "ardour/dsp_filter.h"
34 #include "ardour/lua_api.h"
36 #include "lua/luastate.h"
44 class LIBARDOUR_API LuaProc : public ARDOUR::Plugin {
46 LuaProc (AudioEngine&, Session&, const std::string&);
47 LuaProc (const LuaProc &);
50 /* Plugin interface */
52 std::string unique_id() const { return get_info()->unique_id; }
53 const char* name() const { return get_info()->name.c_str(); }
54 const char* label() const { return get_info()->name.c_str(); }
55 const char* maker() const { return get_info()->creator.c_str(); }
57 uint32_t parameter_count() const;
58 float default_value (uint32_t port);
59 void set_parameter (uint32_t port, float val);
60 float get_parameter (uint32_t port) const;
61 int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
62 uint32_t nth_parameter (uint32_t port, bool& ok) const;
64 std::string get_docs () const { return _docs; }
65 std::string get_parameter_docs (uint32_t) const;
67 PluginOutputConfiguration possible_output () const { return _output_configs; }
69 std::set<Evoral::Parameter> automatable() const;
72 void deactivate () { }
75 int set_block_size (pframes_t /*nframes*/) { return 0; }
76 framecnt_t signal_latency() const { return 0; }
78 int connect_and_run (BufferSet& bufs,
79 framepos_t start, framepos_t end, double speed,
80 ChanMapping in, ChanMapping out,
81 pframes_t nframes, framecnt_t offset);
83 std::string describe_parameter (Evoral::Parameter);
84 void print_parameter (uint32_t, char*, uint32_t len) const;
85 boost::shared_ptr<ScalePoints> get_scale_points(uint32_t port_index) const;
87 bool parameter_is_audio (uint32_t) const { return false; }
88 bool parameter_is_control (uint32_t) const { return true; }
89 bool parameter_is_input (uint32_t) const;
90 bool parameter_is_output (uint32_t) const;
92 uint32_t designated_bypass_port () {
93 return _designated_bypass_port;
96 std::string state_node_name() const { return "luaproc"; }
97 void add_state (XMLNode *) const;
98 int set_state (const XMLNode&, int version);
99 int set_script_from_state (const XMLNode&);
101 bool load_preset (PresetRecord);
102 std::string do_save_preset (std::string);
103 void do_remove_preset (std::string);
105 bool has_editor() const { return false; }
107 bool can_support_io_configuration (const ChanCount& in, ChanCount& out, ChanCount* imprecise);
108 bool configure_io (ChanCount in, ChanCount out);
110 ChanCount output_streams() const { return _configured_out; }
111 ChanCount input_streams() const { return _configured_in; }
113 bool has_inline_display () { return _lua_has_inline_display; }
114 void setup_lua_inline_gui (LuaState *lua_gui);
117 void find_presets ();
119 /* END Plugin interface */
121 const std::string& script() const { return _script; }
124 PBD::ReallocPool _mempool;
126 luabridge::LuaRef * _lua_dsp;
129 bool _lua_does_channelmapping;
130 bool _lua_has_inline_display;
132 void queue_draw () { QueueDraw(); /* EMIT SIGNAL */ }
133 DSP::DspShm* instance_shm () { return &lshm; }
136 LuaTableRef* instance_ref () { return &lref; }
141 void lua_print (std::string s);
143 std::string preset_name_to_uri (const std::string&) const;
144 std::string presets_file () const;
145 XMLTree* presets_tree () const;
147 boost::shared_ptr<ScalePoints> parse_scale_points (luabridge::LuaRef*);
149 std::vector<std::pair<bool, int> > _ctrl_params;
150 std::map<int, ARDOUR::ParameterDescriptor> _param_desc;
151 std::map<int, std::string> _param_doc;
152 uint32_t _designated_bypass_port;
154 float* _control_data;
157 ChanCount _configured_in;
158 ChanCount _configured_out;
159 PluginOutputConfiguration _output_configs;
161 bool _has_midi_input;
162 bool _has_midi_output;
164 #ifdef WITH_LUAPROC_STATS
165 int64_t _stats_avg[2];
166 int64_t _stats_max[2];
171 class LIBARDOUR_API LuaPluginInfo : public PluginInfo
174 LuaPluginInfo (LuaScriptInfoPtr lsi);
175 ~LuaPluginInfo () { };
177 PluginPtr load (Session& session);
178 std::vector<Plugin::PresetRecord> get_presets (bool user_only) const;
180 bool in_category (const std::string &c) const {
181 return (category == c);
183 bool is_instrument () const { return _is_instrument; }
184 bool reconfigurable_io() const { return true; }
189 typedef boost::shared_ptr<LuaPluginInfo> LuaPluginInfoPtr;
191 } // namespace ARDOUR
193 #endif // __ardour_luaproc_h__