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#include <binder/IInterface.h>
18#include <media/hardware/HDCPAPI.h>
19#include <media/stagefright/foundation/ABase.h>
20
21namespace android {
22
23struct IHDCPObserver : public IInterface {
24    DECLARE_META_INTERFACE(HDCPObserver);
25
26    virtual void notify(
27            int msg, int ext1, int ext2, const Parcel *obj) = 0;
28
29private:
30    DISALLOW_EVIL_CONSTRUCTORS(IHDCPObserver);
31};
32
33struct IHDCP : public IInterface {
34    DECLARE_META_INTERFACE(HDCP);
35
36    // Called to specify the observer that receives asynchronous notifications
37    // from the HDCP implementation to signal completion/failure of asynchronous
38    // operations (such as initialization) or out of band events.
39    virtual status_t setObserver(const sp<IHDCPObserver> &observer) = 0;
40
41    // Request to setup an HDCP session with the specified host listening
42    // on the specified port.
43    virtual status_t initAsync(const char *host, unsigned port) = 0;
44
45    // Request to shutdown the active HDCP session.
46    virtual status_t shutdownAsync() = 0;
47
48    // Encrypt a data according to the HDCP spec. The data is to be
49    // encrypted in-place, only size bytes of data should be read/write,
50    // even if the size is not a multiple of 128 bit (16 bytes).
51    // This operation is to be synchronous, i.e. this call does not return
52    // until outData contains size bytes of encrypted data.
53    // streamCTR will be assigned by the caller (to 0 for the first PES stream,
54    // 1 for the second and so on)
55    // inputCTR will be maintained by the callee for each PES stream.
56    virtual status_t encrypt(
57            const void *inData, size_t size, uint32_t streamCTR,
58            uint64_t *outInputCTR, void *outData) = 0;
59
60private:
61    DISALLOW_EVIL_CONSTRUCTORS(IHDCP);
62};
63
64struct BnHDCPObserver : public BnInterface<IHDCPObserver> {
65    virtual status_t onTransact(
66            uint32_t code, const Parcel &data, Parcel *reply,
67            uint32_t flags = 0);
68};
69
70struct BnHDCP : public BnInterface<IHDCP> {
71    virtual status_t onTransact(
72            uint32_t code, const Parcel &data, Parcel *reply,
73            uint32_t flags = 0);
74};
75
76}  // namespace android
77
78
79