9.1/sources/gst-plugins/gst-nvdspostprocess/postprocesslib_impl/post_processor_instance_segment.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2022-2026 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 __POST_PROCESSOR_INSTANCE_SEGMENT_HPP__
#define __POST_PROCESSOR_INSTANCE_SEGMENT_HPP__
 
#include "post_processor.h"
 
typedef bool (* NvDsPostProcessInstanceMaskParseCustomFunc) (
        std::vector<NvDsInferLayerInfo> const &outputLayersInfo,
        NvDsInferNetworkInfo  const &networkInfo,
        NvDsPostProcessParseDetectionParams const &detectionParams,
        std::vector<NvDsPostProcessInstanceMaskInfo> &objectList);
 
 
class InstanceSegmentModelPostProcessor : public ModelPostProcessor{
 
public:
  InstanceSegmentModelPostProcessor(int id, int gpuId = 0)
    : ModelPostProcessor (NvDsPostProcessNetworkType_InstanceSegmentation, id, gpuId) {}
 
  NvDsPostProcessStatus
  initResource(NvDsPostProcessContextInitParams& initParams) override;
  ~InstanceSegmentModelPostProcessor() override = default;
  NvDsPostProcessStatus parseEachFrame(const std::vector <NvDsInferLayerInfo>&
       outputLayers,
       NvDsPostProcessFrameOutput &result) override;
  void
   attachMetadata (NvBufSurface *surf, gint batch_idx,
    NvDsBatchMeta  *batch_meta,
    NvDsFrameMeta  *frame_meta,
    NvDsObjectMeta  *object_meta,
    NvDsObjectMeta *parent_obj_meta,
    NvDsPostProcessFrameOutput & detection_output,
    NvDsPostProcessDetectionParams *all_params,
    std::set <gint> & filterOutClassIds,
    int32_t unique_id,
    gboolean output_instance_mask,
    gboolean process_full_frame,
    float segmentationThreshold,
    gboolean maintain_aspect_ratio,
    NvDsRoiMeta *roi_meta,
    gboolean symmetric_padding) override;
 
  void releaseFrameOutput(NvDsPostProcessFrameOutput& frameOutput) override;
 private:
 
 
  void fillUnclusteredOutput(NvDsPostProcessDetectionOutput& output);
  NvDsPostProcessStatus fillDetectionOutput(const std::vector <NvDsInferLayerInfo>& outputLayers,
      NvDsPostProcessDetectionOutput& output);
  void preClusteringThreshold(NvDsPostProcessParseDetectionParams const &detectionParams,
      std::vector<NvDsPostProcessInstanceMaskInfo> &objectList);
  void filterTopKOutputs(int const topK,
      std::vector<NvDsPostProcessInstanceMaskInfo> &objectList);
 
private:
  NvDsPostProcessClusterMode m_ClusterMode;
 
  uint32_t m_NumDetectedClasses = 0;
 
  std::vector <NvDsPostProcessDetectionParams> m_PerClassDetectionParams;
  NvDsPostProcessParseDetectionParams m_DetectionParams = {0, {}, {}};
 
  std::vector <NvDsPostProcessInstanceMaskInfo> m_InstanceMaskList;
   /* Vector of NvDsPostProcessInstanceMaskInfo vectors for each class. */
   std::vector<std::vector<NvDsPostProcessInstanceMaskInfo>> m_PerClassInstanceMaskList;
 
   NvDsPostProcessInstanceMaskParseCustomFunc m_CustomParseFunc= nullptr;
 
};
 
 
#endif