[audio-libsamplerate.git] / libsamplerate / tests / downsample_test.c

/*
** Copyright (c) 2008-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
** All rights reserved.
**
** This code is released under 2-clause BSD license. Please see the
** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
*/

#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 */
Commit	Line	Data
	1	/*
	2	** Copyright (c) 2008-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
	3	** All rights reserved.
	4	**
	5	** This code is released under 2-clause BSD license. Please see the
	6	** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
	7	*/
	8
	9	#include <stdio.h>
	10	#include <stdlib.h>
	11	#include <samplerate.h>
	12
	13	#include "util.h"
	14
	15	static void
	16	downsample_test (int converter)
	17	{ static float in [1000], out [10] ;
	18	SRC_DATA data ;
	19
	20	printf (" downsample_test (%-28s) ....... ", src_get_name (converter)) ;
	21	fflush (stdout) ;
	22
	23	data.src_ratio = 1.0 / 255.0 ;
	24	data.input_frames = ARRAY_LEN (in) ;
	25	data.output_frames = ARRAY_LEN (out) ;
	26	data.data_in = in ;
	27	data.data_out = out ;
	28
	29	if (src_simple (&data, converter, 1))
	30	{ puts ("src_simple failed.") ;
	31	exit (1) ;
	32	} ;
	33
	34	puts ("ok") ;
	35	} /* downsample_test */
	36
	37	int
	38	main (void)
	39	{
	40	puts ("") ;
	41
	42	downsample_test (SRC_ZERO_ORDER_HOLD) ;
	43	downsample_test (SRC_LINEAR) ;
	44	downsample_test (SRC_SINC_FASTEST) ;
	45	downsample_test (SRC_SINC_MEDIUM_QUALITY) ;
	46	downsample_test (SRC_SINC_BEST_QUALITY) ;
	47
	48	puts ("") ;
	49
	50	return 0 ;
	51	} /* main */