3 * Copyright 2002 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
23 #ifndef _ATSC_EQUALIZER_NOP_H_
24 #define _ATSC_EQUALIZER_NOP_H_
26 #include <atsci_equalizer.h>
28 class atsci_equalizer_nop : public atsci_equalizer
31 float scale (float input) { return input; }
33 float scale_and_train (float input);
37 atsci_equalizer_nop ();
38 virtual ~atsci_equalizer_nop ();
40 virtual void reset ();
41 virtual int ntaps () const;
42 virtual int npretaps () const;
45 virtual void filter_normal (const float *input_samples,
46 float *output_samples,
49 virtual void filter_data_seg_sync (const float *input_samples,
50 float *output_samples,
54 virtual void filter_field_sync (const float *input_samples,
55 float *output_samples,
62 #endif /* _ATSC_EQUALIZER_NOP_H_ */