2 * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 #include "pbd/error.h"
22 #include "pbd/compose.h"
24 #include "ardour/lua_api.h"
25 #include "ardour/luaproc.h"
26 #include "ardour/luascripting.h"
27 #include "ardour/plugin.h"
28 #include "ardour/plugin_insert.h"
29 #include "ardour/plugin_manager.h"
31 #include "LuaBridge/LuaBridge.h"
35 using namespace ARDOUR;
40 ARDOUR::LuaAPI::datatype_ctor_null (lua_State *L)
42 DataType dt (DataType::NIL);
43 luabridge::Stack <DataType>::push (L, dt);
48 ARDOUR::LuaAPI::datatype_ctor_audio (lua_State *L)
50 DataType dt (DataType::AUDIO);
51 // NB luabridge will copy construct the object and manage lifetime.
52 luabridge::Stack <DataType>::push (L, dt);
57 ARDOUR::LuaAPI::datatype_ctor_midi (lua_State *L)
59 DataType dt (DataType::MIDI);
60 luabridge::Stack <DataType>::push (L, dt);
64 boost::shared_ptr<Processor>
65 ARDOUR::LuaAPI::nil_processor ()
67 return boost::shared_ptr<Processor> ();
70 boost::shared_ptr<Processor>
71 ARDOUR::LuaAPI::new_luaproc (Session *s, const string& name)
74 return boost::shared_ptr<Processor> ();
78 ARDOUR::LuaScriptList & _scripts (LuaScripting::instance ().scripts (LuaScriptInfo::DSP));
79 for (LuaScriptList::const_iterator i = _scripts.begin(); i != _scripts.end(); ++i) {
80 if (name == (*i)->name) {
87 warning << _("Script with given name was not found\n");
88 return boost::shared_ptr<Processor> ();
93 LuaPluginInfoPtr lpi (new LuaPluginInfo(spi));
96 warning << _("Failed to instantiate Lua Processor\n");
97 return boost::shared_ptr<Processor> ();
100 return boost::shared_ptr<Processor> (new PluginInsert (*s, p));
104 ARDOUR::LuaAPI::new_plugin_info (const string& name, ARDOUR::PluginType type)
106 PluginManager& manager = PluginManager::instance();
107 PluginInfoList all_plugs;
108 all_plugs.insert(all_plugs.end(), manager.ladspa_plugin_info().begin(), manager.ladspa_plugin_info().end());
109 #ifdef WINDOWS_VST_SUPPORT
110 all_plugs.insert(all_plugs.end(), manager.windows_vst_plugin_info().begin(), manager.windows_vst_plugin_info().end());
113 all_plugs.insert(all_plugs.end(), manager.lxvst_plugin_info().begin(), manager.lxvst_plugin_info().end());
115 #ifdef AUDIOUNIT_SUPPORT
116 all_plugs.insert(all_plugs.end(), manager.au_plugin_info().begin(), manager.au_plugin_info().end());
119 all_plugs.insert(all_plugs.end(), manager.lv2_plugin_info().begin(), manager.lv2_plugin_info().end());
122 for (PluginInfoList::const_iterator i = all_plugs.begin(); i != all_plugs.end(); ++i) {
123 if (((*i)->name == name || (*i)->unique_id == name) && (*i)->type == type) {
127 return PluginInfoPtr ();
130 boost::shared_ptr<Processor>
131 ARDOUR::LuaAPI::new_plugin (Session *s, const string& name, ARDOUR::PluginType type, const string& preset)
134 return boost::shared_ptr<Processor> ();
137 PluginInfoPtr pip = new_plugin_info (name, type);
140 return boost::shared_ptr<Processor> ();
143 PluginPtr p = pip->load (*s);
145 return boost::shared_ptr<Processor> ();
148 if (!preset.empty()) {
149 const Plugin::PresetRecord *pr = p->preset_by_label (preset);
151 p->load_preset (*pr);
155 return boost::shared_ptr<Processor> (new PluginInsert (*s, p));
159 ARDOUR::LuaAPI::set_plugin_insert_param (boost::shared_ptr<PluginInsert> pi, uint32_t which, float val)
161 boost::shared_ptr<Plugin> plugin = pi->plugin();
162 if (!plugin) { return false; }
165 uint32_t controlid = plugin->nth_parameter (which, ok);
166 if (!ok) { return false; }
167 if (!plugin->parameter_is_input (controlid)) { return false; }
169 ParameterDescriptor pd;
170 if (plugin->get_parameter_descriptor (controlid, pd) != 0) { return false; }
171 if (val < pd.lower || val > pd.upper) { return false; }
173 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
174 c->set_value (val, PBD::Controllable::NoGroup);
179 ARDOUR::LuaAPI::set_processor_param (boost::shared_ptr<Processor> proc, uint32_t which, float val)
181 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
182 if (!pi) { return false; }
183 return set_plugin_insert_param (pi, which, val);
187 ARDOUR::LuaAPI::plugin_automation (lua_State *L)
189 typedef boost::shared_ptr<Processor> T;
191 int top = lua_gettop(L);
193 return luaL_argerror (L, 1, "invalid number of arguments, :plugin_automation (plugin, parameter_number)");
195 T* const p = luabridge::Userdata::get<T>(L, 1, false);
196 uint32_t which = luabridge::Stack<uint32_t>::get (L, 2);
198 return luaL_error (L, "Invalid pointer to Ardour:Processor");
200 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (*p);
202 return luaL_error (L, "Given Processor is not a Plugin Insert");
204 boost::shared_ptr<Plugin> plugin = pi->plugin();
206 return luaL_error (L, "Given Processor is not a Plugin");
210 uint32_t controlid = plugin->nth_parameter (which, ok);
212 return luaL_error (L, "Invalid Parameter");
214 if (!plugin->parameter_is_input (controlid)) {
215 return luaL_error (L, "Given Parameter is not an input");
218 ParameterDescriptor pd;
219 if (plugin->get_parameter_descriptor (controlid, pd) != 0) {
220 return luaL_error (L, "Cannot describe parameter");
223 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
225 luabridge::Stack<boost::shared_ptr<AutomationList> >::push (L, c->alist());
226 luabridge::Stack<boost::shared_ptr<Evoral::ControlList> >::push (L, c->list());
227 luabridge::Stack<ParameterDescriptor>::push (L, pd);
232 ARDOUR::LuaOSC::Address::send (lua_State *L)
234 Address * const luaosc = luabridge::Userdata::get <Address> (L, 1, false);
236 return luaL_error (L, "Invalid pointer to OSC.Address");
238 if (!luaosc->_addr) {
239 return luaL_error (L, "Invalid Destination Address");
242 int top = lua_gettop(L);
244 return luaL_argerror (L, 1, "invalid number of arguments, :send (path, type, ...)");
247 const char* path = luaL_checkstring (L, 2);
248 const char* type = luaL_checkstring (L, 3);
249 assert (path && type);
251 if ((int) strlen(type) != top - 3) {
252 return luaL_argerror (L, 3, "type description does not match arguments");
255 lo_message msg = lo_message_new ();
257 for (int i = 4; i <= top; ++i) {
258 char t = type[i - 4];
259 int lt = lua_type(L, i);
263 if (t == LO_STRING) {
264 ok = lo_message_add_string (msg, luaL_checkstring(L, i));
265 } else if (t == LO_CHAR) {
266 char c = luaL_checkstring (L, i) [0];
267 ok = lo_message_add_char (msg, c);
271 if (t == LO_TRUE || t == LO_FALSE) {
272 if (lua_toboolean (L, i)) {
273 ok = lo_message_add_true (msg);
275 ok = lo_message_add_false (msg);
281 ok = lo_message_add_int32 (msg, (int32_t) luaL_checkinteger(L, i));
283 else if (t == LO_FLOAT) {
284 ok = lo_message_add_float (msg, (float) luaL_checknumber(L, i));
286 else if (t == LO_DOUBLE) {
287 ok = lo_message_add_double (msg, (double) luaL_checknumber(L, i));
289 else if (t == LO_INT64) {
290 ok = lo_message_add_double (msg, (int64_t) luaL_checknumber(L, i));
297 return luaL_argerror (L, i, "type description does not match parameter");
301 int rv = lo_send_message (luaosc->_addr, path, msg);
302 lo_message_free (msg);
303 luabridge::Stack<bool>::push (L, (rv == 0));