1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef HDCP_H_
18 
19 #define HDCP_H_
20 
21 #include <media/IHDCP.h>
22 #include <utils/Mutex.h>
23 
24 namespace android {
25 
26 struct HDCP : public BnHDCP {
27     HDCP(bool createEncryptionModule);
28     virtual ~HDCP();
29 
30     virtual status_t setObserver(const sp<IHDCPObserver> &observer);
31     virtual status_t initAsync(const char *host, unsigned port);
32     virtual status_t shutdownAsync();
33     virtual uint32_t getCaps();
34 
35     virtual status_t encrypt(
36             const void *inData, size_t size, uint32_t streamCTR,
37             uint64_t *outInputCTR, void *outData);
38 
39     virtual status_t encryptNative(
40             const sp<GraphicBuffer> &graphicBuffer,
41             size_t offset, size_t size, uint32_t streamCTR,
42             uint64_t *outInputCTR, void *outData);
43 
44     virtual status_t decrypt(
45             const void *inData, size_t size,
46             uint32_t streamCTR, uint64_t outInputCTR, void *outData);
47 
48 private:
49     Mutex mLock;
50 
51     bool mIsEncryptionModule;
52 
53     void *mLibHandle;
54     HDCPModule *mHDCPModule;
55     sp<IHDCPObserver> mObserver;
56 
57     static void ObserveWrapper(void *me, int msg, int ext1, int ext2);
58     void observe(int msg, int ext1, int ext2);
59 
60     DISALLOW_EVIL_CONSTRUCTORS(HDCP);
61 };
62 
63 }  // namespace android
64 
65 #endif  // HDCP_H_
66 
67