92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef CRYPTO_HAL_AIDL_H_
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#define CRYPTO_HAL_AIDL_H_
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#include <aidl/android/hardware/drm/ICryptoPlugin.h>
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#include <aidl/android/hardware/drm/IDrmFactory.h>
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#include <mediadrm/ICrypto.h>
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#include <utils/KeyedVector.h>
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#include <utils/threads.h>
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using IDrmFactoryAidl = ::aidl::android::hardware::drm::IDrmFactory;
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using ICryptoPluginAidl = ::aidl::android::hardware::drm::ICryptoPlugin;
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using ::aidl::android::hardware::drm::Uuid;
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// -------Hidl interface related-----------------
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// TODO: replace before removing hidl interface
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using ::android::hardware::drm::V1_0::DestinationBuffer;
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using ::android::hardware::drm::V1_0::SharedBuffer;
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using ::android::hardware::HidlMemory;
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// -------Hidl interface related end-------------
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class IMemoryHeap;
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namespace android {
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struct CryptoHalAidl : public ICrypto {
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CryptoHalAidl();
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virtual ~CryptoHalAidl();
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virtual status_t initCheck() const;
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virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]);
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virtual status_t createPlugin(const uint8_t uuid[16], const void* data, size_t size);
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virtual status_t destroyPlugin();
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virtual bool requiresSecureDecoderComponent(const char* mime) const;
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virtual void notifyResolution(uint32_t width, uint32_t height);
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virtual status_t setMediaDrmSession(const Vector<uint8_t>& sessionId);
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virtual ssize_t decrypt(const uint8_t key[16], const uint8_t iv[16], CryptoPlugin::Mode mode,
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const CryptoPlugin::Pattern& pattern, const ::SharedBuffer& source,
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size_t offset, const CryptoPlugin::SubSample* subSamples,
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size_t numSubSamples, const ::DestinationBuffer& destination,
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AString* errorDetailMsg);
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virtual int32_t setHeap(const sp<HidlMemory>& heap);
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virtual void unsetHeap(int32_t seqNum);
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virtual status_t getLogMessages(Vector<drm::V1_4::LogMessage>& logs) const;
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private:
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mutable Mutex mLock;
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const std::vector<std::shared_ptr<IDrmFactoryAidl>> mFactories;
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std::shared_ptr<ICryptoPluginAidl> mPlugin;
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/**
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* mInitCheck is:
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* NO_INIT if a plugin hasn't been created yet
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* ERROR_UNSUPPORTED if a plugin can't be created for the uuid
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* OK after a plugin has been created and mPlugin is valid
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*/
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status_t mInitCheck;
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KeyedVector<int32_t, size_t> mHeapSizes;
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int32_t mHeapSeqNum;
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std::shared_ptr<ICryptoPluginAidl> makeCryptoPlugin(
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const std::shared_ptr<IDrmFactoryAidl>& factory, const Uuid& uuidAidl,
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const std::vector<uint8_t> initData);
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status_t checkSharedBuffer(const ::SharedBuffer& buffer);
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bool isCryptoSchemeSupportedInternal(const uint8_t uuid[16], int* factoryIdx);
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DISALLOW_EVIL_CONSTRUCTORS(CryptoHalAidl);
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};
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} // namespace android
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#endif // CRYPTO_HAL_AIDL_H_
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