Implement Lua session-scripts

[ardour.git] / libs / ardour / ardour / session.h

diff --git a/libs/ardour/ardour/session.h b/libs/ardour/ardour/session.h
index a3e352985442fa9379e149167012836afe09a2d4..d25f856b1fce7464c4eae59d81a43aa777658fa8 100644 (file)
--- a/libs/ardour/ardour/session.h
+++ b/libs/ardour/ardour/session.h
@@ -42,10 +42,13 @@
 #include "pbd/error.h"
 #include "pbd/event_loop.h"
 #include "pbd/rcu.h"
+#include "pbd/reallocpool.h"
 #include "pbd/statefuldestructible.h"
 #include "pbd/signals.h"
 #include "pbd/undo.h"
 
+#include "lua/luastate.h"
+
 #include "evoral/types.hpp"
 
 #include "midi++/types.h"
@@ -57,6 +60,7 @@
 #include "ardour/chan_count.h"
 #include "ardour/delivery.h"
 #include "ardour/interthread_info.h"
+#include "ardour/luascripting.h"
 #include "ardour/location.h"
 #include "ardour/monitor_processor.h"
 #include "ardour/rc_configuration.h"
@@ -83,6 +87,10 @@ class Controllable;
 class ControllableDescriptor;
 }
 
+namespace luabridge {
+       class LuaRef;
+}
+
 namespace Evoral {
 class Curve;
 }
@@ -279,6 +287,7 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
        boost::shared_ptr<Route> route_by_name (std::string);
        boost::shared_ptr<Route> route_by_id (PBD::ID);
        boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
+       boost::shared_ptr<Route> route_by_selected_count (uint32_t cnt);
        boost::shared_ptr<Track> track_by_diskstream_id (PBD::ID);
        void routes_using_input_from (const std::string& str, RouteList& rl);
 
@@ -723,6 +732,13 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
 
        PBD::Signal1<void,bool> AuditionActive;
 
+       /* session script */
+       void register_lua_function (const std::string&, const std::string&, const LuaScriptParamList&);
+       void unregister_lua_function (const std::string& name);
+       std::vector<std::string> registered_lua_functions ();
+       uint32_t registered_lua_function_count () const { return _n_lua_scripts; }
+       void scripts_changed (); // called from lua, updates _n_lua_scripts
+
        /* flattening stuff */
 
        boost::shared_ptr<Region> write_one_track (Track&, framepos_t start, framepos_t end,
@@ -1273,6 +1289,21 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
        bool              pending_abort;
        bool              pending_auto_loop;
 
+       PBD::ReallocPool _mempool;
+       LuaState lua;
+       Glib::Threads::Mutex lua_lock;
+       luabridge::LuaRef * _lua_run;
+       luabridge::LuaRef * _lua_add;
+       luabridge::LuaRef * _lua_del;
+       luabridge::LuaRef * _lua_list;
+       luabridge::LuaRef * _lua_load;
+       luabridge::LuaRef * _lua_save;
+       luabridge::LuaRef * _lua_cleanup;
+       uint32_t            _n_lua_scripts;
+
+       void setup_lua ();
+       void try_run_lua (pframes_t);
+
        Butler* _butler;
 
        static const PostTransportWork ProcessCannotProceedMask =