impl_datafilter.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2021-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
 *
 * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
 * property and proprietary rights in and to this material, related
 * documentation and any modifications thereto. Any use, reproduction,
 * disclosure or distribution of this material and related documentation
 * without an express license agreement from NVIDIA CORPORATION or
 * its affiliates is strictly prohibited.
 */
 
 
#ifndef DS3D_COMMON_IMPL_BASE_DATA_FILTER_H
#define DS3D_COMMON_IMPL_BASE_DATA_FILTER_H
 
#include "ds3d/common/hpp/datamap.hpp"
#include "ds3d/common/impl/impl_dataprocess.h"
 
namespace ds3d { namespace impl {
 
class BaseImplDataFilter : public BaseImplDataProcessor<abiDataFilter> {
public:
    BaseImplDataFilter() {}
    ~BaseImplDataFilter() override = default;
 
    ErrCode process_i(
        const abiRefDataMap* inputData, const abiOnDataCB* outputDataCb,
        const abiOnDataCB* inputDataConsumedCb) final
    {
        DS3D_FAILED_RETURN(
            getStateSafe() == State::kRunning, ErrCode::kState, "datafilter is not started");
 
        DS_ASSERT(inputData);
        GuardDataMap inData(*inputData);
        GuardCB<abiOnDataCB> guardOutputCb(outputDataCb ? outputDataCb->refCopy() : nullptr);
        OnGuardDataCBImpl outputCbImpl = [gOutputCb = std::move(guardOutputCb), this](
                                             ErrCode code, GuardDataMap data) {
            gOutputCb(code, data.abiRef());
        };
 
        GuardCB<abiOnDataCB> guardConsumedCb(
            inputDataConsumedCb ? inputDataConsumedCb->refCopy() : nullptr);
        OnGuardDataCBImpl consumedCbImpl = [gConsumedCb = std::move(guardConsumedCb), this](
                                               ErrCode code, GuardDataMap data) {
            gConsumedCb(code, data.abiRef());
        };
        return processImpl(std::move(inData), std::move(outputCbImpl), std::move(consumedCbImpl));
    }
 
protected:
    // cplusplus virtual interface, user need to derive from
    virtual ErrCode processImpl(
        GuardDataMap datamap, OnGuardDataCBImpl outputDataCb,
        OnGuardDataCBImpl inputConsumedCb) = 0;
};
 
}}  // namespace ds3d::impl
 
#endif  // DS3D_COMMON_IMPL_BASE_DATA_FILTER_H