some new headers

git-svn-id: svn://localhost/ardour2/branches/3.0@8522 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 45 insertions, 0 deletions

diff --git a/libs/ardour/ardour/panner_manager.h b/libs/ardour/ardour/panner_manager.h
new file mode 100644
index 0000000000..d5b183c859
--- /dev/null
+++ b/libs/ardour/ardour/panner_manager.h
@@ -0,0 +1,45 @@
+#ifndef __ardour_panner_manager_h__
+#define __ardour_panner_manager_h__
+
+#include <dlfcn.h>
+#include "ardour/panner.h"
+#include "ardour/session_handle.h"
+
+namespace ARDOUR {
+
+struct PannerInfo {
+    PanPluginDescriptor descriptor;
+    void* module;
+    
+    PannerInfo (PanPluginDescriptor& d, void* handle) 
+            : descriptor (d)
+            , module (handle)
+    {}
+    
+    ~PannerInfo () { 
+            dlclose (module);
+    }
+};
+        
+class PannerManager : public ARDOUR::SessionHandlePtr
+{
+  public:
+    ~PannerManager ();
+    static PannerManager& instance ();
+    
+    void discover_panners ();
+    std::list<PannerInfo*> panner_info;
+
+    PannerInfo* select_panner (ChanCount in, ChanCount out);
+    
+  private:
+    PannerManager();
+    static PannerManager* _instance;
+
+    PannerInfo* get_descriptor (std::string path);
+    int panner_discover (std::string path);
+};
+
+} // namespace
+
+#endif /* __ardour_panner_manager_h__ */