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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 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 INCLUDED_ATSC_RANDOMIZER_H
#define INCLUDED_ATSC_RANDOMIZER_H
#include <gr_sync_block.h>
#include <atsci_randomizer.h>
class atsc_randomizer;
typedef boost::shared_ptr<atsc_randomizer> atsc_randomizer_sptr;
atsc_randomizer_sptr atsc_make_randomizer();
/*!
* \brief "Whiten" incoming mpeg transport stream packets
* \ingroup atsc
*
* input: atsc_mpeg_packet; output: atsc_mpeg_packet_no_sync
*/
class atsc_randomizer : public gr_sync_block
{
friend atsc_randomizer_sptr atsc_make_randomizer();
atsci_randomizer d_rand;
bool d_field2; // user to init plinfo in output
int d_segno; // likewise
atsc_randomizer();
public:
int work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
void reset();
};
#endif /* INCLUDED_ATSC_RANDOMIZER_H */
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