multichannelfilter.hpp

// ---------------------------------------------------------------------
// This file is part of falcon-core.
//
// Copyright (C) 2015, 2016, 2017 Neuro-Electronics Research Flanders
//
// Falcon-server is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Falcon-server is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with falcon-core. If not, see <http://www.gnu.org/licenses/>.
// ---------------------------------------------------------------------
 
#pragma once
 
#include <dsp/filter.hpp>
#include <memory>
#include <vector>
 
#include "iprocessor.hpp"
#include "timeseriesdata/timeseriesdata.hpp"
 
class MultiChannelFilter : public IProcessor {
    // CONSTRUCTOR and OVERLOADED METHODS
   public:
    MultiChannelFilter();
    void Configure(const GlobalContext& context) override;
    void CreatePorts() override;
    void CompleteStreamInfo() override;
    void Prepare(GlobalContext& context) override;
    void Process(ProcessingContext& context) override;
    void Postprocess(ProcessingContext& context) override;
 
    // VARIABLES
   protected:
    std::unique_ptr<dsp::filter::IFilter> filter_template_;
    std::unique_ptr<dsp::filter::IFilter> filter_;
    std::vector<double> filtered_signal_buffer_;
    // DATA PORTS
   protected:
    PortIn<TimeSeriesType<double>>* in_port_;
    PortOut<TimeSeriesType<double>>* out_port_;
 
    // OPTIONS
   protected:
    options::String filter_file_path_{""};
};