Implementing MediaDrm APIs

Change-Id: I9ff8eeb7d0c383b5c0c68cd54eb54ce7d2d22fe6
diff --git a/media/libmediaplayerservice/SharedLibrary.h b/media/libmediaplayerservice/SharedLibrary.h
new file mode 100644
index 0000000..5353642
--- /dev/null
+++ b/media/libmediaplayerservice/SharedLibrary.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SHARED_LIBRARY_H_
+#define SHARED_LIBRARY_H_
+
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <media/stagefright/foundation/ABase.h>
+
+namespace android {
+    class SharedLibrary : public RefBase {
+    public:
+        SharedLibrary(const String8 &path);
+        ~SharedLibrary();
+
+        bool operator!() const;
+        void *lookup(const char *symbol) const;
+
+    private:
+        void *mLibHandle;
+        DISALLOW_EVIL_CONSTRUCTORS(SharedLibrary);
+    };
+};
+
+#endif // SHARED_LIBRARY_H_