95 lines
3.0 KiB
C++
95 lines
3.0 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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#pragma once
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#include <aidl/android/hardware/drm/BnCryptoPlugin.h>
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#include <aidl/android/hardware/drm/Status.h>
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#include <aidl/android/hardware/common/Ashmem.h>
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#include <android/binder_auto_utils.h>
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#include <memory>
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#include <mutex>
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#include "ClearKeyTypes.h"
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#include "Session.h"
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namespace {
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static const size_t KEY_ID_SIZE = 16;
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static const size_t KEY_IV_SIZE = 16;
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} // namespace
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namespace aidl {
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namespace android {
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namespace hardware {
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namespace drm {
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namespace clearkey {
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using namespace clearkeydrm;
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using ::aidl::android::hardware::drm::DecryptArgs;
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using ::aidl::android::hardware::drm::Status;
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struct SharedBufferBase {
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uint8_t* mBase;
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int64_t mSize;
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SharedBufferBase(const ::aidl::android::hardware::drm::SharedBuffer& mem);
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~SharedBufferBase();
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};
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struct CryptoPlugin : public BnCryptoPlugin {
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explicit CryptoPlugin(const std::vector<uint8_t>& sessionId) {
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const auto res = setMediaDrmSession(sessionId);
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mInitStatus = Status::OK;
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if (!res.isOk() && res.getExceptionCode() == EX_SERVICE_SPECIFIC) {
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mInitStatus = static_cast<Status>(res.getServiceSpecificError());
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}
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}
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virtual ~CryptoPlugin() {}
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::ndk::ScopedAStatus decrypt(const DecryptArgs& in_args, int32_t* _aidl_return) override;
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::ndk::ScopedAStatus getLogMessages(
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std::vector<::aidl::android::hardware::drm::LogMessage>* _aidl_return) override;
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::ndk::ScopedAStatus notifyResolution(int32_t in_width, int32_t in_height) override;
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::ndk::ScopedAStatus requiresSecureDecoderComponent(const std::string& in_mime,
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bool* _aidl_return) override;
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::ndk::ScopedAStatus setMediaDrmSession(const std::vector<uint8_t>& in_sessionId) override;
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::ndk::ScopedAStatus setSharedBufferBase(
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const ::aidl::android::hardware::drm::SharedBuffer& in_base) override;
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::aidl::android::hardware::drm::Status getInitStatus() const { return mInitStatus; }
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private:
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CLEARKEY_DISALLOW_COPY_AND_ASSIGN(CryptoPlugin);
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std::mutex mSharedBufferLock;
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std::map<uint32_t, std::shared_ptr<SharedBufferBase>> mSharedBufferMap
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GUARDED_BY(mSharedBufferLock);
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::android::sp<Session> mSession;
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::aidl::android::hardware::drm::Status mInitStatus;
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};
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} // namespace clearkey
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} // namespace drm
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} // namespace hardware
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} // namespace android
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} // namespace aidl
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