Program Listing for File filter_detection.hpp

            

            
/*
* SPDX-FileCopyrightText: Copyright (c) 2021-2023, 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.
*/

#pragma once

#include "morpheus/messages/multi.hpp"
#include "morpheus/objects/dev_mem_info.hpp" // for DevMemInfo
#include "morpheus/objects/filter_source.hpp"

#include <boost/fiber/context.hpp>
#include <boost/fiber/future/future.hpp>
#include <mrc/node/rx_sink_base.hpp>
#include <mrc/node/rx_source_base.hpp>
#include <mrc/node/sink_properties.hpp>
#include <mrc/node/source_properties.hpp>
#include <mrc/segment/builder.hpp>
#include <mrc/segment/object.hpp>
#include <mrc/types.hpp>
#include <pymrc/node.hpp>
#include <rxcpp/rx.hpp>

#include <cstddef> // for size_t
#include <map>
#include <memory>
#include <string>
#include <thread>
#include <vector>

namespace morpheus {
/****** Component public implementations *******************/
/****** FilterDetectionStage********************************/

#pragma GCC visibility push(default)
class FilterDetectionsStage
  : public mrc::pymrc::PythonNode<std::shared_ptr<MultiMessage>, std::shared_ptr<MultiMessage>>
{
  public:
    using base_t = mrc::pymrc::PythonNode<std::shared_ptr<MultiMessage>, std::shared_ptr<MultiMessage>>;
    using typename base_t::sink_type_t;
    using typename base_t::source_type_t;
    using typename base_t::subscribe_fn_t;

    FilterDetectionsStage(float threshold, bool copy, FilterSource filter_source, std::string field_name = "probs");

  private:
    subscribe_fn_t build_operator();
    DevMemInfo get_tensor_filter_source(const std::shared_ptr<morpheus::MultiMessage>& x);
    DevMemInfo get_column_filter_source(const std::shared_ptr<morpheus::MultiMessage>& x);

    float m_threshold;
    bool m_copy;
    FilterSource m_filter_source;
    std::string m_field_name;
    std::size_t m_num_class_labels;
    std::map<std::size_t, std::string> m_idx2label;
};

/****** FilterDetectionStageInterfaceProxy******************/
struct FilterDetectionStageInterfaceProxy
{
    static std::shared_ptr<mrc::segment::Object<FilterDetectionsStage>> init(mrc::segment::Builder& builder,
                                                                             const std::string& name,
                                                                             float threshold,
                                                                             bool copy,
                                                                             FilterSource filter_source,
                                                                             std::string field_name);
};

#pragma GCC visibility pop// end of group
}  // namespace morpheus