193 lines
4.7 KiB
C
193 lines
4.7 KiB
C
/*
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** Copyright (C) 2003-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <samplerate.h>
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#include "util.h"
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#define BUFFER_LEN 10000
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static void float_to_short_test (void) ;
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static void short_to_float_test (void) ;
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static void float_to_int_test (void) ;
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static void int_to_float_test (void) ;
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int
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main (void)
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{
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puts ("") ;
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float_to_short_test () ;
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short_to_float_test () ;
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float_to_int_test () ;
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int_to_float_test () ;
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puts ("") ;
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return 0 ;
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} /* main */
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/*=====================================================================================
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*/
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static void
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float_to_short_test (void)
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{
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static float fpos [] =
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{ 0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3
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} ;
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static float fneg [] =
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{ -0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3
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} ;
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static short out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ;
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int k ;
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printf ("\tfloat_to_short_test ............................. ") ;
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src_float_to_short_array (fpos, out, ARRAY_LEN (fpos)) ;
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for (k = 0 ; k < ARRAY_LEN (fpos) ; k++)
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if (out [k] < 30000)
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{ printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
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exit (1) ;
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} ;
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src_float_to_short_array (fneg, out, ARRAY_LEN (fneg)) ;
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for (k = 0 ; k < ARRAY_LEN (fneg) ; k++)
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if (out [k] > -30000)
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{ printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
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exit (1) ;
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} ;
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puts ("ok") ;
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return ;
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} /* float_to_short_test */
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/*-------------------------------------------------------------------------------------
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*/
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static void
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short_to_float_test (void)
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{
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static short input [BUFFER_LEN] ;
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static short output [BUFFER_LEN] ;
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static float temp [BUFFER_LEN] ;
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int k ;
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printf ("\tshort_to_float_test ............................. ") ;
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for (k = 0 ; k < ARRAY_LEN (input) ; k++)
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input [k] = (k * 0x8000) / ARRAY_LEN (input) ;
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src_short_to_float_array (input, temp, ARRAY_LEN (temp)) ;
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src_float_to_short_array (temp, output, ARRAY_LEN (output)) ;
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for (k = 0 ; k < ARRAY_LEN (input) ; k++)
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if (ABS (input [k] - output [k]) > 0)
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{ printf ("\n\n\tLine %d : index %d %d -> %d\n", __LINE__, k, input [k], output [k]) ;
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exit (1) ;
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} ;
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puts ("ok") ;
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return ;
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} /* short_to_float_test */
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/*=====================================================================================
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*/
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static void
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float_to_int_test (void)
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{
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static float fpos [] =
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{ 0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3
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} ;
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static float fneg [] =
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{ -0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3
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} ;
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static int out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ;
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int k ;
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printf ("\tfloat_to_int_test ............................... ") ;
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src_float_to_int_array (fpos, out, ARRAY_LEN (fpos)) ;
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for (k = 0 ; k < ARRAY_LEN (fpos) ; k++)
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if (out [k] < 30000 * 0x10000)
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{ printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
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exit (1) ;
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} ;
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src_float_to_int_array (fneg, out, ARRAY_LEN (fneg)) ;
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for (k = 0 ; k < ARRAY_LEN (fneg) ; k++)
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if (out [k] > -30000 * 0x1000)
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{ printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
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exit (1) ;
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} ;
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puts ("ok") ;
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return ;
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} /* float_to_int_test */
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/*-------------------------------------------------------------------------------------
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*/
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static void
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int_to_float_test (void)
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{
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static int input [BUFFER_LEN] ;
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static int output [BUFFER_LEN] ;
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static float temp [BUFFER_LEN] ;
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int k ;
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printf ("\tint_to_float_test ............................... ") ;
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for (k = 0 ; k < ARRAY_LEN (input) ; k++)
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input [k] = (k * 0x80000000) / ARRAY_LEN (input) ;
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src_int_to_float_array (input, temp, ARRAY_LEN (temp)) ;
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src_float_to_int_array (temp, output, ARRAY_LEN (output)) ;
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for (k = 0 ; k < ARRAY_LEN (input) ; k++)
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if (ABS (input [k] - output [k]) > 0)
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{ printf ("\n\n\tLine %d : index %d %d -> %d\n", __LINE__, k, input [k], output [k]) ;
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exit (1) ;
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} ;
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puts ("ok") ;
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return ;
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} /* int_to_float_test */
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