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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.
*/
#include <atsci_data_interleaver.h>
void
atsci_data_interleaver::interleave (atsc_mpeg_packet_rs_encoded &out,
const atsc_mpeg_packet_rs_encoded &in)
{
assert (in.pli.regular_seg_p ());
plinfo::sanity_check (in.pli);
out.pli = in.pli; // copy pipeline info
if (in.pli.first_regular_seg_p ()) // reset commutator if required
sync ();
transform (out.data, in.data, sizeof (in.data));
}
void
atsci_data_deinterleaver::deinterleave (atsc_mpeg_packet_rs_encoded &out,
const atsc_mpeg_packet_rs_encoded &in)
{
assert (in.pli.regular_seg_p ());
plinfo::sanity_check (in.pli);
// reset commutator if required using INPUT pipeline info
if (in.pli.first_regular_seg_p ())
sync ();
// remap OUTPUT pipeline info to reflect 52 data segment end-to-end delay
plinfo::delay (out.pli, in.pli, 52);
// now do the actual deinterleaving
for (unsigned int i = 0; i < sizeof (in.data); i++){
out.data[i] = alignment_fifo.stuff (transform (in.data[i]));
}
}
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