9.2/includes/ds3d/common/hpp/dataloader.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2021-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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 _DS3D_COMMON_HPP_DATALOADER_HPP
#define _DS3D_COMMON_HPP_DATALOADER_HPP
 
#include <ds3d/common/common.h>
#include <ds3d/common/func_utils.h>
#include <ds3d/common/hpp/dataprocess.hpp>
 
namespace ds3d {
 
class GuardDataLoader : public GuardDataProcess<abiDataLoader> {
    using _Base = GuardDataProcess<abiDataLoader>;
 
public:
    // GuardDataLoader() = default;
    template <typename... Args /*, _EnableIfConstructible<_Base, Args...> = true*/>
    GuardDataLoader(Args&&... args) : _Base(std::forward<Args>(args)...)
    {
    }
    ~GuardDataLoader() = default;
 
    std::string getOutputCaps()
    {
        DS_ASSERT(ptr());
        return cppString(ptr()->getCaps_i(CapsPort::kOutput));
    }
 
    ErrCode readData(GuardDataMap& datamap)
    {
        abiRefDataMap* data = nullptr;
        DS_ASSERT(ptr());
        ErrCode code = ptr()->readData_i(data);
        datamap.reset(data);
        return code;
    }
 
    ErrCode readDataAsync(abiOnDataCB::CppFunc dataReadyCB)
    {
        DS_ASSERT(ptr());
        DS_ASSERT(dataReadyCB);
        GuardCB<abiOnDataCB> guardCb;
        guardCb.setFn<ErrCode, const abiRefDataMap*>(std::move(dataReadyCB));
        return ptr()->readDataAsync_i(guardCb.abiRef());
    }
};
 
}  // namespace ds3d
 
#endif  // _DS3D_COMMON_HPP_DATALOADER_HPP