HDCP.h revision 308bcaa44e578279e61be32b572fdb0b11b1e4c7 
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
24namespace android {
25
26struct 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
34    virtual status_t encrypt(
35            const void *inData, size_t size, uint32_t streamCTR,
36            uint64_t *outInputCTR, void *outData);
37
38    virtual status_t encryptNative(
39            const sp<GraphicBuffer> &graphicBuffer,
40            size_t offset, size_t size, uint32_t streamCTR,
41            uint64_t *outInputCTR, void *outData);
42
43    virtual status_t decrypt(
44            const void *inData, size_t size,
45            uint32_t streamCTR, uint64_t outInputCTR, void *outData);
46
47private:
48    Mutex mLock;
49
50    bool mIsEncryptionModule;
51
52    void *mLibHandle;
53    HDCPModule *mHDCPModule;
54    sp<IHDCPObserver> mObserver;
55
56    static void ObserveWrapper(void *me, int msg, int ext1, int ext2);
57    void observe(int msg, int ext1, int ext2);
58
59    DISALLOW_EVIL_CONSTRUCTORS(HDCP);
60};
61
62}  // namespace android
63
64#endif  // HDCP_H_
65
66