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/* -*- c++ -*- */
/*
* Copyright 2015 Free Software Foundation, Inc.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_DTV_ATSC_FIELD_SYNC_MUX_IMPL_H
#define INCLUDED_DTV_ATSC_FIELD_SYNC_MUX_IMPL_H
#include "atsc_pnXXX_impl.h"
#include "atsc_types.h"
#include <gnuradio/dtv/atsc_field_sync_mux.h>
namespace gr {
namespace dtv {
class atsc_field_sync_mux_impl : public atsc_field_sync_mux
{
private:
static constexpr int N_SAVED_SYMBOLS = 12;
bool d_already_output_field_sync;
unsigned char d_saved_symbols[N_SAVED_SYMBOLS];
void init_field_sync_common(unsigned char* p,
int mask,
const unsigned char saved_symbols[N_SAVED_SYMBOLS]);
inline void init_field_sync_1(atsc_data_segment* s,
const unsigned char saved_symbols[N_SAVED_SYMBOLS]);
inline void init_field_sync_2(atsc_data_segment* s,
const unsigned char saved_symbols[N_SAVED_SYMBOLS]);
void save_last_symbols(unsigned char saved_symbols[N_SAVED_SYMBOLS],
const atsc_data_segment& seg);
inline bool last_regular_seg_p(const plinfo& pli);
public:
atsc_field_sync_mux_impl();
~atsc_field_sync_mux_impl() override;
void forecast(int noutput_items, gr_vector_int& ninput_items_required) override;
int general_work(int noutput_items,
gr_vector_int& ninput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) override;
};
} // namespace dtv
} // namespace gr
#endif /* INCLUDED_DTV_ATSC_FIELD_SYNC_MUX_IMPL_H */
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