CryptoPlugin.h revision 1fe11a5d1b7932a8a4a4e6e8cf1aedd21fcdb3aa
1/*
2 * Copyright (C) 2014 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 CLEARKEY_CRYPTO_PLUGIN_H_
18#define CLEARKEY_CRYPTO_PLUGIN_H_
19
20#include <media/hardware/CryptoAPI.h>
21#include <media/stagefright/foundation/ABase.h>
22#include <media/stagefright/foundation/AString.h>
23#include <utils/Errors.h>
24#include <utils/StrongPointer.h>
25
26#include "ClearKeyTypes.h"
27#include "Session.h"
28#include "Utils.h"
29
30namespace clearkeydrm {
31
32class CryptoPlugin : public android::CryptoPlugin {
33public:
34    CryptoPlugin(const android::sp<Session>& session) : mSession(session) {}
35    virtual ~CryptoPlugin() {}
36
37    virtual bool requiresSecureDecoderComponent(const char* mime) const {
38        UNUSED(mime);
39        return false;
40    }
41
42    virtual ssize_t decrypt(
43            bool secure, const KeyId keyId, const Iv iv,
44            Mode mode, const void* srcPtr,
45            const SubSample* subSamples, size_t numSubSamples,
46            void* dstPtr, android::AString* errorDetailMsg);
47
48private:
49    DISALLOW_EVIL_CONSTRUCTORS(CryptoPlugin);
50
51    android::sp<Session> mSession;
52};
53
54} // namespace clearkeydrm
55
56#endif // CLEARKEY_CRYPTO_PLUGIN_H_
57