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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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cppunit/TestAssert.h>
#include <qa_atsci_trellis_encoder.h>
#include <cstdio>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#define NELEM(x) (sizeof (x) / sizeof (x[0]))
static const int NCODERS = atsci_trellis_encoder::NCODERS;
void
qa_atsci_trellis_encoder::t0 ()
{
#if 0 // generate i/o test data for t1
atsc_mpeg_packet_rs_encoded in[NCODERS];
atsc_data_segment out[NCODERS];
memset (in, 0, sizeof (in));
memset (out, 0, sizeof (out));
srandom (1);
printf ("@@@ INPUT @@@\n");
for (int i = 0; i < NCODERS; i++){
for (unsigned int j = 0; j < NELEM (in[i].data); j++){
int t = (random () >> 8) & 0xff; // 8 random bits
in[i].data[j] = t;
printf ("%d\n", t);
}
}
enc.reset ();
enc.encode (out, in);
printf ("@@@ OUTPUT @@@\n");
for (int i = 0; i < NCODERS; i++){
for (unsigned int j = 0; j < NELEM (out[i].data); j++){
printf ("%d\n", out[i].data[j]);
}
}
#endif
}
void
qa_atsci_trellis_encoder::t1 ()
{
atsc_mpeg_packet_rs_encoded in[NCODERS];
atsc_data_segment expected_out[NCODERS];
atsc_data_segment actual_out[NCODERS];
static const unsigned char raw_input[NCODERS * NELEM (in[0].data)] = {
#include "qa_atsci_trellis_encoder_t1_input.dat"
};
static const unsigned char raw_output[NCODERS * NELEM (expected_out[0].data)] = {
#include "qa_atsci_trellis_encoder_t1_output.dat"
};
// load up input
const unsigned char *r = &raw_input[0];
for (int i = 0; i < NCODERS; i++){
in[i].pli.set_regular_seg (false, i);
for (unsigned int j = 0; j < NELEM (in[i].data); j++){
in[i].data[j] = *r++;
}
}
// load up expected output
r = &raw_output[0];
for (int i = 0; i < NCODERS; i++){
expected_out[i].pli.set_regular_seg (false, i);
for (unsigned int j = 0; j < NELEM (expected_out[i].data); j++){
expected_out[i].data[j] = *r++;
}
}
memset (&actual_out, 0, sizeof (actual_out)); // ensure zero
enc.reset ();
enc.encode (actual_out, in); // trellis code test data
for (int i = 0; i < NCODERS; i++){ // check the result
CPPUNIT_ASSERT (expected_out[i] == actual_out[i]);
CPPUNIT_ASSERT (expected_out[i].pli == actual_out[i].pli);
}
}
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