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/*
This file is part of libdvbcsa.
libdvbcsa 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 of the License, or
(at your option) any later version.
libdvbcsa 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 libdvbcsa; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <time.h>
#include <sys/time.h>
#include <stdio.h>
#ifdef __linux__
#include <sched.h>
#endif
#include <dvbcsa/dvbcsa.h>
#include "dvbcsa_pv.h"
#ifdef HAVE_ASSERT_H
#include <assert.h>
#endif
#define TS_SIZE 184
int
main (void)
{
struct timeval t0, t1;
struct dvbcsa_key_s *key = dvbcsa_key_alloc();
unsigned int n, i, c = 0;
uint8_t data[256];
dvbcsa_cw_t cw = { 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, };
#ifdef HAVE_ASSERT_H
assert(key != NULL);
#endif
#ifdef __linux__
struct sched_param sp = { .sched_priority = 1 };
sched_setscheduler (0, SCHED_FIFO, &sp);
#endif
puts("* CSA encryption bench *");
for (i = 0; i < sizeof(dvbcsa_cw_t); i++)
cw[i] = i * 3 ^ 0x55;
memset(data, 0, TS_SIZE);
dvbcsa_key_set(cw, key);
gettimeofday(&t0, NULL);
for (n = 256; n < 1 << 16; n *= 2)
{
printf(" benchmarking with %u TS packets\n", n);
#ifdef __linux__
sched_yield();
#endif
for (i = 0; i < n; i++)
dvbcsa_encrypt(key, data, TS_SIZE);
c += n;
}
gettimeofday(&t1, NULL);
printf(" - %u packets proceded, %.1f Mbits/s\n\n", c,
(float)(c * 184 * 8) / (float)((t1.tv_sec * 1000000 + t1.tv_usec) - (t0.tv_sec * 1000000 + t0.tv_usec))
);
dvbcsa_key_free(key);
puts("* Done *");
return (0);
}
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