Add ClearKey Utilities

Adds some utility functionality that is shared by multiple parts of
the ClearKey code.

Change-Id: I33a896eb68b2937918f145c9bd27174a119294b9

1 files changed, 32 insertions, 0 deletions

diff --git a/drm/mediadrm/plugins/clearkey/Utils.h b/drm/mediadrm/plugins/clearkey/Utils.h
new file mode 100644
index 0000000..2543124
--- /dev/null
+++ b/drm/mediadrm/plugins/clearkey/Utils.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2014 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 CLEARKEY_UTILS_H_
+#define CLEARKEY_UTILS_H_
+
+#include <utils/Vector.h>
+
+// Add a comparison operator for this Vector specialization so that it can be
+// used as a key in a KeyedVector.
+namespace android {
+
+bool operator<(const Vector<uint8_t> &lhs, const Vector<uint8_t> &rhs);
+
+} // namespace android
+
+#define UNUSED(x) (void)(x);
+
+#endif // CLEARKEY_UTILS_H_