73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/* -*- c++ -*- */
|
|
/* @file
|
|
* @author (C) 2016 by Piotr Krysik <ptrkrysik@gmail.com>
|
|
* @section LICENSE
|
|
*
|
|
* Gr-gsm 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 3, or (at your option)
|
|
* any later version.
|
|
*
|
|
* Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H
|
|
#define INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H
|
|
|
|
#include <grgsm/misc_utils/controlled_fractional_resampler_cc.h>
|
|
#include <gnuradio/filter/mmse_fir_interpolator_cc.h>
|
|
|
|
using namespace gr::filter;
|
|
|
|
namespace gr {
|
|
namespace gsm {
|
|
|
|
class controlled_fractional_resampler_cc_impl : public controlled_fractional_resampler_cc
|
|
{
|
|
private:
|
|
float d_mu;
|
|
float d_mu_inc;
|
|
mmse_fir_interpolator_cc *d_resamp;
|
|
uint64_t d_last_original_offset;
|
|
|
|
inline uint64_t resample(const gr_complex *in,
|
|
uint64_t first_in_sample,
|
|
gr_complex *out,
|
|
uint64_t first_out_sample,
|
|
uint64_t samples_to_produce);
|
|
|
|
public:
|
|
controlled_fractional_resampler_cc_impl(float phase_shift,
|
|
float resamp_ratio);
|
|
~controlled_fractional_resampler_cc_impl();
|
|
|
|
void forecast(int noutput_items,
|
|
gr_vector_int &ninput_items_required);
|
|
|
|
int general_work(int noutput_items,
|
|
gr_vector_int &ninput_items,
|
|
gr_vector_const_void_star &input_items,
|
|
gr_vector_void_star &output_items);
|
|
|
|
|
|
float mu() const;
|
|
float resamp_ratio() const;
|
|
void set_mu(float mu);
|
|
void set_resamp_ratio(float resamp_ratio);
|
|
};
|
|
|
|
} // namespace gsm
|
|
} // namespace gr
|
|
|
|
#endif /* INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H */
|
|
|