00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2004 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 2, 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., 59 Temple Place - Suite 330, 00020 * Boston, MA 02111-1307, USA. 00021 */ 00022 00023 #ifndef INCLUDED_GR_FFT_VCC_H 00024 #define INCLUDED_GR_FFT_VCC_H 00025 00026 #include <gr_sync_block.h> 00027 00028 class gri_fft_complex; 00029 00030 class gr_fft_vcc; 00031 typedef boost::shared_ptr<gr_fft_vcc> gr_fft_vcc_sptr; 00032 00033 gr_fft_vcc_sptr 00034 gr_make_fft_vcc (int fft_size, bool forward, const std::vector<float> window); 00035 00041 class gr_fft_vcc : public gr_sync_block 00042 { 00043 friend gr_fft_vcc_sptr 00044 gr_make_fft_vcc (int fft_size, bool forward, const std::vector<float> window); 00045 00046 unsigned int d_fft_size; 00047 std::vector<float> d_window; 00048 gri_fft_complex *d_fft; 00049 00050 gr_fft_vcc (int fft_size, bool forward, const std::vector<float> window); 00051 00052 public: 00053 ~gr_fft_vcc (); 00054 00055 int work (int noutput_items, 00056 gr_vector_const_void_star &input_items, 00057 gr_vector_void_star &output_items); 00058 bool set_window(const std::vector<float> window); 00059 }; 00060 00061 00062 #endif /* INCLUDED_GR_FFT_VCC_H */