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.
19 #ifndef _ardour_lua_api_h_
20 #define _ardour_lua_api_h_
24 #include <boost/shared_ptr.hpp>
26 #include "ardour/libardour_visibility.h"
28 #include "ardour/processor.h"
29 #include "ardour/session.h"
31 namespace ARDOUR { namespace LuaAPI {
33 int datatype_ctor_nil (lua_State *L);
34 int datatype_ctor_audio (lua_State *L);
35 int datatype_ctor_midi (lua_State *L);
37 /** create a new Lua Processor (Plugin)
39 * @param s Session Handle
40 * @param p Identifier or Name of the Processor
41 * @returns Processor object (may be nil)
43 boost::shared_ptr<ARDOUR::Processor> new_luaproc (ARDOUR::Session *s, const std::string& p);
47 * @param id Plugin Name, ID or URI
48 * @param type Plugin Type
49 * @returns PluginInfo or nil if not found
51 boost::shared_ptr<ARDOUR::PluginInfo> new_plugin_info (const std::string& id, ARDOUR::PluginType type);
53 /** create a new Plugin Instance
55 * @param s Session Handle
56 * @param id Plugin Name, ID or URI
57 * @param type Plugin Type
58 * @returns Processor or nil
60 boost::shared_ptr<ARDOUR::Processor> new_plugin (ARDOUR::Session *s, const std::string& id, ARDOUR::PluginType type, const std::string& preset = "");
62 /** set a plugin control-input parameter value
64 * @param proc Plugin-Processor
65 * @param which control-input to set (starting at 0)
66 * @param value value to set
67 * @returns true on success, false on error or out-of-bounds value
69 bool set_processor_param (boost::shared_ptr<ARDOUR::Processor> proc, uint32_t which, float val);
70 /** set a plugin control-input parameter value
72 * This is a wrapper around set_processor_param which looks up the Processor by plugin-insert.
74 * @param proc Plugin-Insert
75 * @param which control-input to set (starting at 0)
76 * @param value value to set
77 * @returns true on success, false on error or out-of-bounds value
79 bool set_plugin_insert_param (boost::shared_ptr<ARDOUR::PluginInsert> pi, uint32_t which, float val);
83 namespace ARDOUR { namespace LuaOSC {
86 * A Class to send OSC messages.
90 * OSC is kinda special, lo_address is a void* and lo_send() has varags
91 * and typed arguments which makes it hard to bind, even lo_cpp.
94 /** Construct a new OSC transmitter object
95 * @param uri the destination uri e.g. "osc.udp://localhost:7890"
97 Address (std::string uri) {
98 _addr = lo_address_new_from_url (uri.c_str());
101 ~Address () { if (_addr) { lo_address_free (_addr); } }
102 /** Transmit an OSC message
104 * Path (string) and type (string) must always be given.
105 * The number of following args must match the type.
106 * Supported types are:
108 * 'i': integer (lua number)
110 * 'f': float (lua number)
112 * 'd': double (lua number)
114 * 'h': 64bit integer (lua number)
116 * 's': string (lua string)
118 * 'c': character (lua string)
120 * 'T': boolean (lua bool) -- this is not implicily True, a lua true/false must be given
122 * 'F': boolean (lua bool) -- this is not implicily False, a lua true/false must be given
124 * @param lua: lua arguments: path, types, ...
125 * @returns boolean true if successful, false on error.
127 int send (lua_State *lua);
134 #endif // _ardour_lua_api_h_