satdump/src-core/modules/common/dsp/fir.cpp

#include "fir.h"

namespace dsp
{
    CCFIRBlock::CCFIRBlock(std::shared_ptr<dsp::stream<std::complex<float>>> input, int decimation, std::vector<float> taps) : Block(input), d_fir(decimation, taps)
    {
    }

    void CCFIRBlock::work()
    {
        int nsamples = input_stream->read();
        if (nsamples <= 0)
            return;
        int d_out = d_fir.work(input_stream->readBuf, nsamples, output_stream->writeBuf);
        input_stream->flush();
        output_stream->swap(d_out);
    }

    FFFIRBlock::FFFIRBlock(std::shared_ptr<dsp::stream<float>> input, int decimation, std::vector<float> taps) : Block(input), d_fir(decimation, taps)
    {
    }

    void FFFIRBlock::work()
    {
        int nsamples = input_stream->read();
        if (nsamples <= 0)
            return;
        int d_out = d_fir.work(input_stream->readBuf, nsamples, output_stream->writeBuf);
        input_stream->flush();
        output_stream->swap(d_out);
    }
}