1 /*
2  * Copyright (C) 2016 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_DRM_V1_0__CRYPTOPLUGIN_H
18 #define ANDROID_HARDWARE_DRM_V1_0__CRYPTOPLUGIN_H
19 
20 #include <android/hidl/memory/1.0/IMemory.h>
21 #include <android/hardware/drm/1.0/ICryptoPlugin.h>
22 #include <hidl/Status.h>
23 #include <media/hardware/CryptoAPI.h>
24 
25 namespace android {
26 namespace hardware {
27 namespace drm {
28 namespace V1_0 {
29 namespace implementation {
30 
31 using ::android::hardware::drm::V1_0::DestinationBuffer;
32 using ::android::hardware::drm::V1_0::ICryptoPlugin;
33 using ::android::hardware::drm::V1_0::Mode;
34 using ::android::hardware::drm::V1_0::Pattern;
35 using ::android::hardware::drm::V1_0::SubSample;
36 using ::android::hardware::hidl_array;
37 using ::android::hardware::hidl_string;
38 using ::android::hardware::hidl_vec;
39 using ::android::hardware::Return;
40 using ::android::hardware::Void;
41 using ::android::hidl::memory::V1_0::IMemory;
42 using ::android::sp;
43 
44 struct CryptoPlugin : public ICryptoPlugin {
CryptoPluginCryptoPlugin45     CryptoPlugin(android::CryptoPlugin *plugin) : mLegacyPlugin(plugin) {}
46 
~CryptoPluginCryptoPlugin47     ~CryptoPlugin() {delete mLegacyPlugin;}
48 
49     // Methods from ::android::hardware::drm::V1_0::ICryptoPlugin
50     // follow.
51 
52     Return<bool> requiresSecureDecoderComponent(const hidl_string& mime)
53             override;
54 
55     Return<void> notifyResolution(uint32_t width, uint32_t height) override;
56 
57     Return<Status> setMediaDrmSession(const hidl_vec<uint8_t>& sessionId)
58             override;
59 
60     Return<void> setSharedBufferBase(const ::android::hardware::hidl_memory& base,
61         uint32_t bufferId) override;
62 
63     Return<void> decrypt(bool secure, const hidl_array<uint8_t, 16>& keyId,
64             const hidl_array<uint8_t, 16>& iv, Mode mode, const Pattern& pattern,
65             const hidl_vec<SubSample>& subSamples, const SharedBuffer& source,
66             uint64_t offset, const DestinationBuffer& destination,
67             decrypt_cb _hidl_cb) override;
68 
69 private:
70     android::CryptoPlugin *mLegacyPlugin;
71     std::map<uint32_t, sp<IMemory> > mSharedBufferMap;
72 
73     CryptoPlugin() = delete;
74     CryptoPlugin(const CryptoPlugin &) = delete;
75     void operator=(const CryptoPlugin &) = delete;
76 };
77 
78 }  // namespace implementation
79 }  // namespace V1_0
80 }  // namespace drm
81 }  // namespace hardware
82 }  // namespace android
83 
84 #endif  // ANDROID_HARDWARE_DRM_V1_0__CRYPTOPLUGIN_H
85