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/*
* Copyright (C) 2021 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.
*/
#include "Callbacks.h"
#include "Conversions.h"
#include "PreparedModel.h"
#include "ProtectCallback.h"
#include "Utils.h"
#include <nnapi/IPreparedModel.h>
#include <nnapi/Result.h>
#include <nnapi/Types.h>
#include <utility>
// See hardware/interfaces/neuralnetworks/utils/README.md for more information on AIDL interface
// lifetimes across processes and for protecting asynchronous calls across AIDL.
namespace aidl::android::hardware::neuralnetworks::utils {
namespace {
// Converts the results of IDevice::prepareModel* to the NN canonical format. On success, this
// function returns with a non-null nn::SharedPreparedModel with a feature level of
// nn::kVersionFeatureLevel5. On failure, this function returns with the appropriate
// nn::GeneralError.
nn::GeneralResult<nn::SharedPreparedModel> prepareModelCallback(
ErrorStatus status, const std::shared_ptr<IPreparedModel>& preparedModel,
nn::Version featureLevel) {
HANDLE_STATUS_AIDL(status) << "model preparation failed with " << toString(status);
return NN_TRY(PreparedModel::create(preparedModel, featureLevel));
}
} // namespace
ndk::ScopedAStatus PreparedModelCallback::notify(
ErrorStatus status, const std::shared_ptr<IPreparedModel>& preparedModel) {
mData.put(prepareModelCallback(status, preparedModel, kFeatureLevel));
return ndk::ScopedAStatus::ok();
}
void PreparedModelCallback::notifyAsDeadObject() {
mData.put(NN_ERROR(nn::ErrorStatus::DEAD_OBJECT) << "Dead object");
}
PreparedModelCallback::Data PreparedModelCallback::get() {
return mData.take();
}
} // namespace aidl::android::hardware::neuralnetworks::utils
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