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/* -*- c++ -*- */
/*
* Copyright 2002 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., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef _GRATSCFIELDSYNCMUX_H_
#define _GRATSCFIELDSYNCMUX_H_
#include <VrHistoryProc.h>
#include <atsc_types.h>
/*!
* \brief Insert ATSC Field Syncs as required (atsc_data_segment --> atsc_data_segment)
*/
class GrAtscFieldSyncMux : public VrHistoryProc<atsc_data_segment, atsc_data_segment>
{
public:
GrAtscFieldSyncMux ();
~GrAtscFieldSyncMux ();
const char *name () { return "GrAtscFieldSyncMux"; }
int work (VrSampleRange output, void *o[],
VrSampleRange inputs[], void *i[]);
int forecast (VrSampleRange output, VrSampleRange inputs[]);
void pre_initialize ();
static const int N_SAVED_SYMBOLS = 12;
protected:
VrSampleIndex d_current_index;
bool d_already_output_field_sync;
unsigned char d_saved_symbols[N_SAVED_SYMBOLS];
};
#endif /* _GRATSCFIELDSYNCMUX_H_ */
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