Preliminary support for HDCP as a binder service for wifi display support.

Change-Id: Ie0de1c086c629a668d1c7863992eef56fb94157c

1 files changed, 78 insertions, 0 deletions

diff --git a/include/media/IHDCP.h b/include/media/IHDCP.h
new file mode 100644
index 0000000..a0613c7
--- /dev/null
+++ b/include/media/IHDCP.h
@@ -0,0 +1,78 @@
+/*
+ * 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.
+ */
+
+#include <binder/IInterface.h>
+#include <media/hardware/HDCPAPI.h>
+#include <media/stagefright/foundation/ABase.h>
+
+namespace android {
+
+struct IHDCPObserver : public IInterface {
+    DECLARE_META_INTERFACE(HDCPObserver);
+
+    virtual void notify(
+            int msg, int ext1, int ext2, const Parcel *obj) = 0;
+
+private:
+    DISALLOW_EVIL_CONSTRUCTORS(IHDCPObserver);
+};
+
+struct IHDCP : public IInterface {
+    DECLARE_META_INTERFACE(HDCP);
+
+    // Called to specify the observer that receives asynchronous notifications
+    // from the HDCP implementation to signal completion/failure of asynchronous
+    // operations (such as initialization) or out of band events.
+    virtual status_t setObserver(const sp<IHDCPObserver> &observer) = 0;
+
+    // Request to setup an HDCP session with the specified host listening
+    // on the specified port.
+    virtual status_t initAsync(const char *host, unsigned port) = 0;
+
+    // Request to shutdown the active HDCP session.
+    virtual status_t shutdownAsync() = 0;
+
+    // Encrypt a data according to the HDCP spec. The data is to be
+    // encrypted in-place, only size bytes of data should be read/write,
+    // even if the size is not a multiple of 128 bit (16 bytes).
+    // This operation is to be synchronous, i.e. this call does not return
+    // until outData contains size bytes of encrypted data.
+    // streamCTR will be assigned by the caller (to 0 for the first PES stream,
+    // 1 for the second and so on)
+    // inputCTR will be maintained by the callee for each PES stream.
+    virtual status_t encrypt(
+            const void *inData, size_t size, uint32_t streamCTR,
+            uint64_t *outInputCTR, void *outData) = 0;
+
+private:
+    DISALLOW_EVIL_CONSTRUCTORS(IHDCP);
+};
+
+struct BnHDCPObserver : public BnInterface<IHDCPObserver> {
+    virtual status_t onTransact(
+            uint32_t code, const Parcel &data, Parcel *reply,
+            uint32_t flags = 0);
+};
+
+struct BnHDCP : public BnInterface<IHDCP> {
+    virtual status_t onTransact(
+            uint32_t code, const Parcel &data, Parcel *reply,
+            uint32_t flags = 0);
+};
+
+}  // namespace android
+
+