GNU Radio 3.5.3.2 C++ API
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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_GR_FFT_VCC_H 00024 #define INCLUDED_GR_FFT_VCC_H 00025 00026 #include <gr_core_api.h> 00027 #include <gr_sync_block.h> 00028 00029 class gr_fft_vcc; 00030 typedef boost::shared_ptr<gr_fft_vcc> gr_fft_vcc_sptr; 00031 00032 GR_CORE_API gr_fft_vcc_sptr 00033 gr_make_fft_vcc (int fft_size, bool forward, 00034 const std::vector<float> &window, 00035 bool shift=false, int nthreads=1); 00036 00037 /*! 00038 * \brief Compute forward or reverse FFT. complex vector in / complex vector out. 00039 * \ingroup dft_blk 00040 * 00041 * Abstract base class 00042 */ 00043 class GR_CORE_API gr_fft_vcc : public gr_sync_block 00044 { 00045 protected: 00046 friend GR_CORE_API gr_fft_vcc_sptr 00047 gr_make_fft_vcc (int fft_size, bool forward, 00048 const std::vector<float> &window, 00049 bool shift); 00050 00051 unsigned int d_fft_size; 00052 std::vector<float> d_window; 00053 bool d_forward; 00054 bool d_shift; 00055 00056 gr_fft_vcc (const std::string &name, int fft_size, bool forward, 00057 const std::vector<float> &window, bool shift); 00058 00059 public: 00060 ~gr_fft_vcc (); 00061 00062 virtual void set_nthreads(int n); 00063 virtual int nthreads() const; 00064 00065 bool set_window(const std::vector<float> &window); 00066 }; 00067 00068 #endif /* INCLUDED_GR_FFT_VCC_H */