Provisional support for secure decryption of media streams.

Change-Id: Ib3982a9c960bfdb0cb7e1b174440b141b194cfbe

1 files changed, 57 insertions, 0 deletions

diff --git a/media/libmediaplayerservice/Crypto.h b/media/libmediaplayerservice/Crypto.h
new file mode 100644
index 0000000..9855496
--- /dev/null
+++ b/media/libmediaplayerservice/Crypto.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2012 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 CRYPTO_H_
+
+#define CRYPTO_H_
+
+#include <media/ICrypto.h>
+#include <utils/threads.h>
+
+namespace android {
+
+struct Crypto : public BnCrypto {
+    Crypto();
+
+    virtual status_t initialize();
+    virtual status_t terminate();
+
+    virtual status_t setEntitlementKey(
+            const void *key, size_t keyLength);
+
+    virtual status_t setEntitlementControlMessage(
+            const void *msg, size_t msgLength);
+
+    virtual ssize_t decryptVideo(
+            const void *iv, size_t ivLength,
+            const void *srcData, size_t srcDataSize,
+            void *dstData, size_t dstDataOffset);
+
+    virtual ssize_t decryptAudio(
+            const void *iv, size_t ivLength,
+            const void *srcData, size_t srcDataSize,
+            void *dstData, size_t dstDataSize);
+
+protected:
+    virtual ~Crypto();
+
+private:
+    DISALLOW_EVIL_CONSTRUCTORS(Crypto);
+};
+
+}  // namespace android
+
+#endif  // CRYPTO_H_