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/* -*- c++ -*- */
/*
* Copyright 2006 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef INCLUDED_ATSC_FIELD_SYNC_DEMUX_H
#define INCLUDED_ATSC_FIELD_SYNC_DEMUX_H
#include <gr_sync_decimator.h>
#include <atsc_types.h>
class atsc_field_sync_demux;
typedef boost::shared_ptr<atsc_field_sync_demux> atsc_field_sync_demux_sptr;
atsc_field_sync_demux_sptr atsc_make_field_sync_demux();
/*!
* \brief ATSC Field Sync Demux
*
* This class accepts 1 stream of floats (data), and 1 stream of tags (syminfo). * It outputs one stream of atsc_soft_data_segment packets
* \ingroup atsc
*
* input: atsc_data_segment; output: atsc_data_segment
*/
class atsc_field_sync_demux : public gr_sync_decimator
{
friend atsc_field_sync_demux_sptr atsc_make_field_sync_demux();
atsc_field_sync_demux();
public:
void forecast (int noutput_items, gr_vector_int &ninput_items_required);
int work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
void reset() { /* nop */ }
protected:
bool d_locked;
bool d_in_field2;
int d_segment_number;
gr_uint64 d_next_input;
gr_uint64 d_lost_index; // diagnostic fluff
unsigned long long inputs0_index; // for inputs[0].index
unsigned long inputs0_size; // for inputs[0].size
};
#endif /* INCLUDED_ATSC_FIELD_SYNC_DEMUX_H */
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