Implementing MediaDrm APIs

Change-Id: I9ff8eeb7d0c383b5c0c68cd54eb54ce7d2d22fe6

1 files changed, 49 insertions, 0 deletions

diff --git a/media/libmediaplayerservice/SharedLibrary.cpp b/media/libmediaplayerservice/SharedLibrary.cpp
new file mode 100644
index 0000000..178e15d
--- /dev/null
+++ b/media/libmediaplayerservice/SharedLibrary.cpp
@@ -0,0 +1,49 @@
+/*
+ * 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "Drm"
+#include <utils/Log.h>
+#include <media/stagefright/foundation/ADebug.h>
+
+#include <dlfcn.h>
+
+#include "SharedLibrary.h"
+
+namespace android {
+
+    SharedLibrary::SharedLibrary(const String8 &path) {
+        mLibHandle = dlopen(path.string(), RTLD_NOW);
+    }
+
+    SharedLibrary::~SharedLibrary() {
+        if (mLibHandle != NULL) {
+            dlclose(mLibHandle);
+            mLibHandle = NULL;
+        }
+    }
+
+    bool SharedLibrary::operator!() const {
+        return mLibHandle == NULL;
+    }
+
+    void *SharedLibrary::lookup(const char *symbol) const {
+        if (!mLibHandle) {
+            return NULL;
+        }
+        return dlsym(mLibHandle, symbol);
+    }
+};