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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 3, 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 _GRATSCFIELDSYNCDEMUX_H_
#define _GRATSCFIELDSYNCDEMUX_H_
#include <VrDecimatingSigProc.h>
#include <atsc_types.h>
/*!
* \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
*/
class GrAtscFieldSyncDemux : public VrDecimatingSigProc<float,atsc_soft_data_segment> {
public:
GrAtscFieldSyncDemux ();
virtual ~GrAtscFieldSyncDemux ();
virtual const char *name () { return "GrAtscFieldSyncDemux"; }
virtual int forecast (VrSampleRange output,
VrSampleRange inputs[]);
virtual int work (VrSampleRange output, void *o[],
VrSampleRange inputs[], void *i[]);
protected:
bool d_locked;
bool d_in_field2;
int d_segment_number;
VrSampleIndex d_next_input;
VrSampleIndex d_lost_index; // diagnostic fluff
};
#endif // _GRATSCFIELDSYNCDEMUX_H_
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