1 /*
2  * Copyright (C) 2019 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 ANDROID_HARDWARE_CAS_V1_1_DESCRAMBLER_IMPL_H_
18 #define ANDROID_HARDWARE_CAS_V1_1_DESCRAMBLER_IMPL_H_
19 
20 #include <android/hardware/cas/native/1.0/IDescrambler.h>
21 #include <media/stagefright/foundation/ABase.h>
22 
23 namespace android {
24 struct DescramblerPlugin;
25 using namespace hardware::cas::native::V1_0;
26 
27 namespace hardware {
28 namespace cas {
29 namespace V1_1 {
30 namespace implementation {
31 
32 using ::android::hardware::cas::V1_0::HidlCasSessionId;
33 using ::android::hardware::cas::V1_0::Status;
34 
35 class SharedLibrary;
36 
37 class DescramblerImpl : public IDescrambler {
38    public:
39     DescramblerImpl(const sp<SharedLibrary>& library, DescramblerPlugin* plugin);
40     virtual ~DescramblerImpl();
41 
42     virtual Return<Status> setMediaCasSession(const HidlCasSessionId& sessionId) override;
43 
44     virtual Return<bool> requiresSecureDecoderComponent(const hidl_string& mime) override;
45 
46     virtual Return<void> descramble(ScramblingControl scramblingControl,
47                                     const hidl_vec<SubSample>& subSamples,
48                                     const SharedBuffer& srcBuffer, uint64_t srcOffset,
49                                     const DestinationBuffer& dstBuffer, uint64_t dstOffset,
50                                     descramble_cb _hidl_cb) override;
51 
52     virtual Return<Status> release() override;
53 
54    private:
55     sp<SharedLibrary> mLibrary;
56     std::shared_ptr<DescramblerPlugin> mPluginHolder;
57 
58     DISALLOW_EVIL_CONSTRUCTORS(DescramblerImpl);
59 };
60 
61 }  // namespace implementation
62 }  // namespace V1_1
63 }  // namespace cas
64 }  // namespace hardware
65 }  // namespace android
66 
67 #endif  // ANDROID_HARDWARE_CAS_V1_1_DESCRAMBLER_IMPL_H_
68