sdrangel/wdsp/shift.hpp

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/* shift.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 2013 Warren Pratt, NR0V
Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
The author can be reached by email at
warren@wpratt.com
*/
#ifndef wdsp_shift_h
#define wdsp_shift_h
#include "export.h"
namespace WDSP {
class RXA;
class WDSP_API SHIFT
{
public:
int run;
int size;
float* in;
float* out;
float rate;
float shift;
float phase;
float delta;
float cos_delta;
float sin_delta;
static SHIFT* create_shift (int run, int size, float* in, float* out, int rate, float fshift);
static void destroy_shift (SHIFT *a);
static void flush_shift (SHIFT *a);
static void xshift (SHIFT *a);
static void setBuffers_shift (SHIFT *a, float* in, float* out);
static void setSamplerate_shift (SHIFT *a, int rate);
static void setSize_shift (SHIFT *a, int size);
// RXA Properties
static void SetShiftRun (RXA& rxa, int run);
static void SetShiftFreq (RXA& rxa, float fshift);
private:
static void calc_shift (SHIFT *a);
};
} // namespace WDSP
#endif