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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_DRMUTILS_H
#define ANDROID_DRMUTILS_H
#include <android/hardware/drm/1.0/ICryptoFactory.h>
#include <android/hardware/drm/1.0/IDrmFactory.h>
#include <utils/Errors.h> // for status_t
#include <utils/StrongPointer.h>
#include <vector>
using namespace ::android::hardware::drm;
namespace android {
struct ICrypto;
struct IDrm;
namespace DrmUtils {
bool UseDrmService();
sp<IDrm> MakeDrm(status_t *pstatus = nullptr);
sp<ICrypto> MakeCrypto(status_t *pstatus = nullptr);
template<typename BA, typename PARCEL>
void WriteByteArray(PARCEL &obj, const BA &vec) {
obj.writeInt32(vec.size());
if (vec.size()) {
obj.write(vec.data(), vec.size());
}
}
template<typename ET, typename BA, typename PARCEL>
void WriteEventToParcel(
PARCEL &obj,
ET eventType,
const BA &sessionId,
const BA &data) {
WriteByteArray(obj, sessionId);
WriteByteArray(obj, data);
obj.writeInt32(eventType);
}
template<typename BA, typename PARCEL>
void WriteExpirationUpdateToParcel(
PARCEL &obj,
const BA &sessionId,
int64_t expiryTimeInMS) {
WriteByteArray(obj, sessionId);
obj.writeInt64(expiryTimeInMS);
}
template<typename BA, typename KSL, typename PARCEL>
void WriteKeysChange(
PARCEL &obj,
const BA &sessionId,
const KSL &keyStatusList,
bool hasNewUsableKey) {
WriteByteArray(obj, sessionId);
obj.writeInt32(keyStatusList.size());
for (const auto &keyStatus : keyStatusList) {
WriteByteArray(obj, keyStatus.keyId);
obj.writeInt32(keyStatus.type);
}
obj.writeInt32(hasNewUsableKey);
}
std::vector<sp<::V1_0::IDrmFactory>> MakeDrmFactories(const uint8_t uuid[16] = nullptr);
std::vector<sp<::V1_0::IDrmPlugin>> MakeDrmPlugins(const uint8_t uuid[16],
const char *appPackageName);
std::vector<sp<::V1_0::ICryptoFactory>> MakeCryptoFactories(const uint8_t uuid[16]);
std::vector<sp<::V1_0::ICryptoPlugin>> MakeCryptoPlugins(const uint8_t uuid[16],
const void *initData, size_t initDataSize);
} // namespace DrmUtils
} // namespace android
#endif // ANDROID_DRMUTILS_H