Ooops, forgot this file

src/engines/vlcscopedref.h

@@ -0,0 +1,63 @@
+/* This file is part of Clementine.
+
+   Clementine is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Clementine is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Clementine.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef VLCSCOPEDREF_H
+#define VLCSCOPEDREF_H
+
+#include <vlc/vlc.h>
+
+template <typename T>
+class VlcScopedRef {
+ public:
+  VlcScopedRef(T* ptr);
+  ~VlcScopedRef();
+
+  operator T* () const { return ptr_; }
+  T* operator ->() const { return ptr_; }
+
+ private:
+  VlcScopedRef(VlcScopedRef&) {}
+  VlcScopedRef& operator =(const VlcScopedRef&) { return *this; }
+
+  T* ptr_;
+};
+
+
+#define VLCSCOPEDREF_DEFINE2(type, dtor) \
+    template <> void VlcScopedRef_Release<libvlc_##type##_t>(libvlc_##type##_t* ptr) { \
+      dtor(ptr); \
+    }
+#define VLCSCOPEDREF_DEFINE(type) VLCSCOPEDREF_DEFINE2(type, libvlc_##type##_release)
+
+template <typename T>
+void VlcScopedRef_Release(T* ptr);
+
+VLCSCOPEDREF_DEFINE2(instance, libvlc_release);
+VLCSCOPEDREF_DEFINE(media_player);
+VLCSCOPEDREF_DEFINE(media);
+
+
+template <typename T>
+VlcScopedRef<T>::VlcScopedRef(T* ptr)
+  : ptr_(ptr) {
+}
+
+template <typename T>
+VlcScopedRef<T>::~VlcScopedRef() {
+  VlcScopedRef_Release(ptr_);
+}
+
+#endif // VLCSCOPEDREF_H