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99 lines
2.8 KiB
99 lines
2.8 KiB
/*
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* Copyright (C) 2019 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 ANDROID_DRMUTILS_H
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#define ANDROID_DRMUTILS_H
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#include <android/hardware/drm/1.0/ICryptoFactory.h>
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#include <android/hardware/drm/1.0/IDrmFactory.h>
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#include <utils/Errors.h> // for status_t
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#include <utils/StrongPointer.h>
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#include <vector>
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using namespace ::android::hardware::drm;
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namespace android {
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struct ICrypto;
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struct IDrm;
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namespace DrmUtils {
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bool UseDrmService();
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sp<IDrm> MakeDrm(status_t *pstatus = nullptr);
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sp<ICrypto> MakeCrypto(status_t *pstatus = nullptr);
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template<typename BA, typename PARCEL>
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void WriteByteArray(PARCEL &obj, const BA &vec) {
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obj.writeInt32(vec.size());
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if (vec.size()) {
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obj.write(vec.data(), vec.size());
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}
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}
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template<typename ET, typename BA, typename PARCEL>
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void WriteEventToParcel(
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PARCEL &obj,
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ET eventType,
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const BA &sessionId,
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const BA &data) {
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WriteByteArray(obj, sessionId);
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WriteByteArray(obj, data);
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obj.writeInt32(eventType);
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}
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template<typename BA, typename PARCEL>
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void WriteExpirationUpdateToParcel(
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PARCEL &obj,
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const BA &sessionId,
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int64_t expiryTimeInMS) {
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WriteByteArray(obj, sessionId);
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obj.writeInt64(expiryTimeInMS);
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}
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template<typename BA, typename KSL, typename PARCEL>
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void WriteKeysChange(
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PARCEL &obj,
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const BA &sessionId,
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const KSL &keyStatusList,
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bool hasNewUsableKey) {
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WriteByteArray(obj, sessionId);
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obj.writeInt32(keyStatusList.size());
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for (const auto &keyStatus : keyStatusList) {
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WriteByteArray(obj, keyStatus.keyId);
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obj.writeInt32(keyStatus.type);
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}
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obj.writeInt32(hasNewUsableKey);
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}
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std::vector<sp<::V1_0::IDrmFactory>> MakeDrmFactories(const uint8_t uuid[16] = nullptr);
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std::vector<sp<::V1_0::IDrmPlugin>> MakeDrmPlugins(const uint8_t uuid[16],
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const char *appPackageName);
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std::vector<sp<::V1_0::ICryptoFactory>> MakeCryptoFactories(const uint8_t uuid[16]);
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std::vector<sp<::V1_0::ICryptoPlugin>> MakeCryptoPlugins(const uint8_t uuid[16],
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const void *initData, size_t initDataSize);
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} // namespace DrmUtils
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} // namespace android
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#endif // ANDROID_DRMUTILS_H
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