GNU Radio 3.6.5 C++ API

fft_filter_ccc_impl.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2005,2012 Free Software Foundation, Inc.
00004  *
00005  * This file is part of GNU Radio
00006  *
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  *
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 #ifndef INCLUDED_FILTER_FFT_FILTER_CCC_IMPL_H
00023 #define INCLUDED_FILTER_FFT_FILTER_CCC_IMPL_H
00024 
00025 #include <filter/api.h>
00026 #include <filter/fft_filter.h>
00027 #include <filter/fft_filter_ccc.h>
00028 
00029 namespace gr {
00030   namespace filter {
00031 
00032     class FILTER_API fft_filter_ccc_impl : public fft_filter_ccc
00033     {
00034     private:
00035       int d_nsamples;
00036       bool d_updated;
00037       kernel::fft_filter_ccc *d_filter;
00038       std::vector<gr_complex> d_new_taps;
00039 
00040     public:
00041       fft_filter_ccc_impl(int decimation,
00042                           const std::vector<gr_complex> &taps,
00043                           int nthreads=1);
00044       
00045       ~fft_filter_ccc_impl();
00046 
00047       void set_taps(const std::vector<gr_complex> &taps);
00048       std::vector<gr_complex> taps() const;
00049 
00050       void set_nthreads(int n);
00051       int nthreads() const;
00052       
00053       int work(int noutput_items,
00054                gr_vector_const_void_star &input_items,
00055                gr_vector_void_star &output_items);
00056     };
00057 
00058   } /* namespace filter */
00059 } /* namespace gr */
00060 
00061 #endif /* INCLUDED_FILTER_FFT_FILTER_CCC_IMPL_H */