ref: 2c47fa8aa8447ea97cfd66da200caffaf12f5b37
dir: /tests/downsample_test.c/
/*
** Copyright (C) 2008 Erik de Castro Lopo <erikd@mega-nerd.com>
**
** This program 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.
**
** This program 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 this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <samplerate.h>
#include "util.h"
static void
downsample_test (int converter)
{ static float in [1000], out [10] ;
SRC_DATA data ;
printf (" downsample_test (%-28s) ....... ", src_get_name (converter)) ;
fflush (stdout) ;
data.src_ratio = 1.0 / 255.0 ;
data.input_frames = ARRAY_LEN (in) ;
data.output_frames = ARRAY_LEN (out) ;
data.data_in = in ;
data.data_out = out ;
if (src_simple (&data, converter, 1))
{ puts ("src_simple failed.") ;
exit (1) ;
} ;
puts ("ok") ;
} /* downsample_test */
int
main (void)
{
puts ("") ;
downsample_test (SRC_ZERO_ORDER_HOLD) ;
downsample_test (SRC_LINEAR) ;
downsample_test (SRC_SINC_FASTEST) ;
downsample_test (SRC_SINC_MEDIUM_QUALITY) ;
downsample_test (SRC_SINC_BEST_QUALITY) ;
puts ("") ;
return 0 ;
} /* main */