GNU Radio 3.7.1 C++ API
fft_vfc_fftw.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2004,2007,2008,2012 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 
00023 #ifndef INCLUDED_FFT_FFT_VFC_FFTW_IMPL_H
00024 #define INCLUDED_FFT_FFT_VFC_FFTW_IMPL_H
00025 
00026 #include <gnuradio/fft/fft_vfc.h>
00027 #include <gnuradio/fft/fft.h>
00028 
00029 namespace gr {
00030   namespace fft {
00031     
00032     class FFT_API fft_vfc_fftw : public fft_vfc
00033     {
00034     private:
00035       fft_complex          *d_fft;
00036       unsigned int          d_fft_size;
00037       std::vector<float>    d_window;
00038       bool                  d_forward;
00039       
00040     public:
00041       fft_vfc_fftw(int fft_size, bool forward,
00042                    const std::vector<float> &window,
00043                    int nthreads=1);
00044       
00045       ~fft_vfc_fftw();
00046       
00047       void set_nthreads(int n);
00048       int nthreads() const;
00049       bool set_window(const std::vector<float> &window);
00050       
00051       int work(int noutput_items,
00052                gr_vector_const_void_star &input_items,
00053                gr_vector_void_star &output_items);
00054     };
00055 
00056   } /* namespace fft */
00057 } /* namespace gr */
00058 
00059 #endif /* INCLUDED_FFT_FFT_VFC_FFTW_IMPL_H */