Mercurial > hg > qm-dsp
annotate dsp/signalconditioning/FiltFilt.h @ 218:9c873d123b7c
First cut at Travis build
| author | Chris Cannam |
|---|---|
| date | Mon, 20 May 2019 16:30:19 +0100 |
| parents | ca658c7215a9 |
| children | 701233f8ed41 |
| rev | line source |
|---|---|
| cannam@0 | 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ |
| cannam@0 | 2 |
| cannam@0 | 3 /* |
| cannam@0 | 4 QM DSP Library |
| cannam@0 | 5 |
| cannam@0 | 6 Centre for Digital Music, Queen Mary, University of London. |
| Chris@84 | 7 This file 2005-2006 Christian Landone. |
| Chris@84 | 8 |
| Chris@84 | 9 This program is free software; you can redistribute it and/or |
| Chris@84 | 10 modify it under the terms of the GNU General Public License as |
| Chris@84 | 11 published by the Free Software Foundation; either version 2 of the |
| Chris@84 | 12 License, or (at your option) any later version. See the file |
| Chris@84 | 13 COPYING included with this distribution for more information. |
| cannam@0 | 14 */ |
| cannam@0 | 15 |
| cannam@0 | 16 #ifndef FILTFILT_H |
| cannam@0 | 17 #define FILTFILT_H |
| cannam@0 | 18 |
| cannam@0 | 19 #include "Filter.h" |
| cannam@0 | 20 |
| Chris@153 | 21 /** |
| Chris@153 | 22 * Zero-phase digital filter, implemented by processing the data |
| Chris@193 | 23 * through a filter specified by the given filter parameters (see |
| Chris@153 | 24 * Filter) and then processing it again in reverse. |
| Chris@153 | 25 */ |
| cannam@0 | 26 class FiltFilt |
| cannam@0 | 27 { |
| cannam@0 | 28 public: |
| Chris@193 | 29 FiltFilt(Filter::Parameters); |
| cannam@0 | 30 virtual ~FiltFilt(); |
| cannam@0 | 31 |
| cannam@0 | 32 void reset(); |
| cannam@0 | 33 void process( double* src, double* dst, unsigned int length ); |
| cannam@0 | 34 |
| cannam@0 | 35 private: |
| Chris@193 | 36 Filter m_filter; |
| Chris@193 | 37 int m_ord; |
| cannam@0 | 38 }; |
| cannam@0 | 39 |
| cannam@0 | 40 #endif |
