Program Listing for File bayer_demosaic.hpp

            

            
/*
* SPDX-FileCopyrightText: Copyright (c) 2022-2024 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 HOLOSCAN_OPERATORS_BAYER_DEMOSAIC_BAYER_DEMOSAIC_HPP
#define HOLOSCAN_OPERATORS_BAYER_DEMOSAIC_BAYER_DEMOSAIC_HPP

#include <npp.h>

#include <memory>
#include <string>

#include "holoscan/core/io_context.hpp"
#include "holoscan/core/io_spec.hpp"
#include "holoscan/core/operator.hpp"
#include "holoscan/core/operator_spec.hpp"
#include "holoscan/utils/cuda_stream_handler.hpp"

namespace holoscan::ops {

class BayerDemosaicOp : public holoscan::Operator {
 public:
  HOLOSCAN_OPERATOR_FORWARD_ARGS(BayerDemosaicOp)

  BayerDemosaicOp() = default;

  void setup(OperatorSpec& spec) override;

  void initialize() override;
  void compute(InputContext& op_input, OutputContext& op_output,
               ExecutionContext& context) override;
  void stop() override;

 private:
  Parameter<holoscan::IOSpec*> receiver_;
  Parameter<holoscan::IOSpec*> transmitter_;
  Parameter<std::string> in_tensor_name_;
  Parameter<std::string> out_tensor_name_;
  Parameter<std::shared_ptr<Allocator>> pool_;
  Parameter<int> bayer_interp_mode_;
  Parameter<int> bayer_grid_pos_;
  Parameter<bool> generate_alpha_;
  Parameter<int> alpha_value_;

  NppStreamContext npp_stream_ctx_{};

  // defaults here will be overridden later by parameter defaults in setup method
  NppiInterpolationMode npp_bayer_interp_mode_ = NPPI_INTER_UNDEFINED;
  NppiBayerGridPosition npp_bayer_grid_pos_ = NPPI_BAYER_GBRG;

  nvidia::gxf::MemoryBuffer device_scratch_buffer_;

  CudaStreamHandler cuda_stream_handler_;
};

}  // namespace holoscan::ops

#endif/* HOLOSCAN_OPERATORS_BAYER_DEMOSAIC_BAYER_DEMOSAIC_HPP */