Support thread-safe LV2 state restoration

[ardour.git] / libs / ardour / ardour / lv2_plugin.h

diff --git a/libs/ardour/ardour/lv2_plugin.h b/libs/ardour/ardour/lv2_plugin.h
index efd4903e07ae2973969d4f40cfef113495760b69..7f312459f549f871a98b49cc280e09a30e52d1bf 100644 (file)
--- a/libs/ardour/ardour/lv2_plugin.h
+++ b/libs/ardour/ardour/lv2_plugin.h
@@ -20,6 +20,7 @@
 #ifndef __ardour_lv2_plugin_h__
 #define __ardour_lv2_plugin_h__
 
+#include <glibmm/threads.h>
 #include <set>
 #include <string>
 #include <vector>
@@ -163,7 +164,7 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
        URIMap&       uri_map()       { return _uri_map; }
        const URIMap& uri_map() const { return _uri_map; }
 
-       int work(uint32_t size, const void* data);
+       int work(Worker& worker, uint32_t size, const void* data);
        int work_response(uint32_t size, const void* data);
 
        void                       set_property(uint32_t key, const Variant& value);
@@ -177,6 +178,7 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
        void*         _module;
        LV2_Feature** _features;
        Worker*       _worker;
+       Worker*       _state_worker;
        framecnt_t    _sample_rate;
        float*        _control_data;
        float*        _shadow_data;
@@ -268,6 +270,8 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
        RingBuffer<uint8_t>* _to_ui;
        RingBuffer<uint8_t>* _from_ui;
 
+       Glib::Threads::Mutex _work_mutex;
+
 #ifdef LV2_EXTENDED
        const LV2_Inline_Display_Interface* _display_interface;
 #endif