diff --git a/media/ndk/NdkMediaCryptoPriv.h b/media/ndk/NdkMediaCryptoPriv.h
new file mode 100644
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+++ b/media/ndk/NdkMediaCryptoPriv.h
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+/*
+ * 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.
+ */
+
+
+/*
+ * This file defines an NDK API.
+ * Do not remove methods.
+ * Do not change method signatures.
+ * Do not change the value of constants.
+ * Do not change the size of any of the classes defined in here.
+ * Do not reference types that are not part of the NDK.
+ * Do not #include files that aren't part of the NDK.
+ */
+
+#ifndef _NDK_MEDIA_CRYPTO_PRIV_H
+#define _NDK_MEDIA_CRYPTO_PRIV_H
+
+#include <sys/types.h>
+#include <utils/StrongPointer.h>
+#include <media/ICrypto.h>
+
+using namespace android;
+
+struct AMediaCrypto {
+    sp<ICrypto> mCrypto;
+};
+
+#endif // _NDK_MEDIA_CRYPTO_PRIV_H