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.
22 #ifndef _GRATSCCONVERT2XTO20_H_
23 #define _GRATSCCONVERT2XTO20_H_
25 #include <VrDecimatingSigProc.h>
26 #include <gr_mmse_fir_interpolator.h>
28 class GrAtscConvert2xTo20 : public VrDecimatingSigProc<float,float> {
29 gr_mmse_fir_interpolator d_interp;
31 VrSampleIndex d_next_input;
34 GrAtscConvert2xTo20 ();
35 ~GrAtscConvert2xTo20 ();
37 virtual const char *name () { return "GrAtscConvert2xTo20"; }
39 virtual int forecast (VrSampleRange output,
40 VrSampleRange inputs[]);
42 virtual int work (VrSampleRange output, void *o[],
43 VrSampleRange inputs[], void *i[]);
45 void pre_initialize ();
46 int checkOutputSamplingFrequency(float) { return 0; } // bogus, but required
50 #endif /* _GRATSCCONVERT2XTO20_H_ */