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/* -*- 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;
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 grgsm
} // namespace gr
#endif /* INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H */
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