GNU Radio C++ API
gr_fft_filter_fff.h
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/* -*- c++ -*- */
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/*
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* Copyright 2005 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_FFT_FILTER_FFF_H
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#define INCLUDED_GR_FFT_FILTER_FFF_H
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#include <
gr_core_api.h
>
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#include <
gr_sync_decimator.h
>
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class
gr_fft_filter_fff
;
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typedef
boost::shared_ptr<gr_fft_filter_fff>
gr_fft_filter_fff_sptr
;
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GR_CORE_API
gr_fft_filter_fff_sptr
gr_make_fft_filter_fff
(
int
decimation
,
const
std::vector<float> &
taps
);
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class
gri_fft_filter_fff_generic
;
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//class gri_fft_filter_fff_sse;
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/*!
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* \brief Fast FFT filter with float input, float output and float taps
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* \ingroup filter_blk
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*/
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class
GR_CORE_API
gr_fft_filter_fff
:
public
gr_sync_decimator
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{
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private
:
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friend
GR_CORE_API
gr_fft_filter_fff_sptr
gr_make_fft_filter_fff
(
int
decimation,
const
std::vector<float> &
taps
);
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int
d_nsamples;
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bool
d_updated;
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#if 1 // don't enable the sse version until handling it is worked out
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gri_fft_filter_fff_generic
*d_filter;
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#else
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gri_fft_filter_fff_sse
*d_filter;
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#endif
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std::vector<float> d_new_taps;
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/*!
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* Construct a FFT filter with the given taps
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*
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* \param decimation >= 1
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* \param taps float filter taps
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*/
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gr_fft_filter_fff
(
int
decimation,
const
std::vector<float> &taps);
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public
:
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~
gr_fft_filter_fff
();
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void
set_taps (
const
std::vector<float> &taps);
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int
work
(
int
noutput_items,
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gr_vector_const_void_star
&input_items,
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gr_vector_void_star
&output_items);
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};
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#endif
/* INCLUDED_GR_FFT_FILTER_FFF_H */
gnuradio-core
src
lib
filter
gr_fft_filter_fff.h
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