00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2003 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 _GRFFT_VFC_H_ 00024 #define _GRFFT_VFC_H_ 00025 00026 #include <VrSigProc.h> 00027 00028 class gr_fft_complex; 00029 00034 class GrFFT_vFC : public VrSigProc 00035 { 00036 private: 00037 int d_fft_size; 00038 bool d_window; 00039 float *d_winvals; 00040 gr_fft_complex *d_fft; 00041 00042 public: 00043 GrFFT_vFC (int fft_size, bool forward = true, bool window = true); 00044 ~GrFFT_vFC (); 00045 00046 virtual const char *name () { return "GrFFT_vFC"; } 00047 virtual int work (VrSampleRange output, void *o[], 00048 VrSampleRange inputs[], void *i[]); 00049 }; 00050 00051 #endif /* _GRFFT_VFC_H_ */