Chris@41: /*
Chris@41: ** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
Chris@41: ** All rights reserved.
Chris@41: **
Chris@41: ** This code is released under 2-clause BSD license. Please see the
Chris@41: ** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
Chris@41: */
Chris@41: 
Chris@41: #include <stdio.h>
Chris@41: #include <stdlib.h>
Chris@41: #include <string.h>
Chris@41: 
Chris@41: #include <samplerate.h>
Chris@41: 
Chris@41: #include "util.h"
Chris@41: 
Chris@41: static void name_test (void) ;
Chris@41: static void error_test (void) ;
Chris@41: static void src_ratio_test (void) ;
Chris@41: static void zero_input_test (int converter) ;
Chris@41: 
Chris@41: int
Chris@41: main (void)
Chris@41: {
Chris@41: 	puts ("") ;
Chris@41: 
Chris@41: 	printf ("    version : %s\n\n", src_get_version ()) ;
Chris@41: 
Chris@41: 	/* Current max converter is SRC_LINEAR. */
Chris@41: 	name_test () ;
Chris@41: 
Chris@41: 	error_test () ;
Chris@41: 
Chris@41: 	src_ratio_test () ;
Chris@41: 
Chris@41: 	zero_input_test (SRC_ZERO_ORDER_HOLD) ;
Chris@41: 	zero_input_test (SRC_LINEAR) ;
Chris@41: 	zero_input_test (SRC_SINC_FASTEST) ;
Chris@41: 
Chris@41: 	puts ("") ;
Chris@41: 	return 0 ;
Chris@41: } /* main */
Chris@41: 
Chris@41: static void
Chris@41: name_test (void)
Chris@41: {	const char	*name ;
Chris@41: 	int	k = 0 ;
Chris@41: 
Chris@41: 	puts ("    name_test :") ;
Chris@41: 
Chris@41: 	while (1)
Chris@41: 	{	name = src_get_name (k) ;
Chris@41: 		if (name == NULL)
Chris@41: 			break ;
Chris@41: 		printf ("\tName %d : %s\n", k, name) ;
Chris@41: 		printf ("\tDesc %d : %s\n", k, src_get_description (k)) ;
Chris@41: 		k ++ ;
Chris@41: 		} ;
Chris@41: 
Chris@41: 	puts ("") ;
Chris@41: 
Chris@41: 	return ;
Chris@41: } /* name_test */
Chris@41: 
Chris@41: /*------------------------------------------------------------------------------
Chris@41: */
Chris@41: 
Chris@41: typedef struct
Chris@41: {	double	ratio ;
Chris@41: 	int		should_pass ;
Chris@41: } RATIO_TEST ;
Chris@41: 
Chris@41: static RATIO_TEST ratio_test [] =
Chris@41: {	{	1.0 / 256.1,	0 },
Chris@41: 	{	1.0 / 256.0,	1 },
Chris@41: 	{	1.0,			1 },
Chris@41: 	{	256.0, 			1 },
Chris@41: 	{	256.1,			0 },
Chris@41: 	{	-1.0,			0 }
Chris@41: } ;
Chris@41: 
Chris@41: static void
Chris@41: src_ratio_test (void)
Chris@41: {	int k ;
Chris@41: 
Chris@41: 	puts ("    src_ratio_test (SRC ratio must be in range [1/256, 256]):" ) ;
Chris@41: 
Chris@41: 
Chris@41: 	for (k = 0 ; k < ARRAY_LEN (ratio_test) ; k++)
Chris@41: 	{	if (ratio_test [k].should_pass && src_is_valid_ratio (ratio_test [k].ratio) == 0)
Chris@41: 		{	printf ("\n\nLine %d : SRC ratio %f should have passed.\n\n", __LINE__, ratio_test [k].ratio) ;
Chris@41: 			exit (1) ;
Chris@41: 			} ;
Chris@41: 		if (! ratio_test [k].should_pass && src_is_valid_ratio (ratio_test [k].ratio) != 0)
Chris@41: 		{	printf ("\n\nLine %d : SRC ratio %f should not have passed.\n\n", __LINE__, ratio_test [k].ratio) ;
Chris@41: 			exit (1) ;
Chris@41: 			} ;
Chris@41: 		printf ("\t SRC ratio (%9.5f) : %s ................... ok\n", ratio_test [k].ratio,
Chris@41: 			(ratio_test [k].should_pass ? "pass" : "fail")) ;
Chris@41: 		} ;
Chris@41: 
Chris@41: 	puts ("") ;
Chris@41: 
Chris@41: 	return ;
Chris@41: } /* src_ratio_test */
Chris@41: 
Chris@41: static void
Chris@41: error_test (void)
Chris@41: {	const char *errorstr ;
Chris@41: 	int		k, errors = 0 ;
Chris@41: 
Chris@41: 	puts ("    error_test :") ;
Chris@41: 
Chris@41: 	for (k = 0 ; 1 ; k++)
Chris@41: 	{	errorstr = src_strerror (k) ;
Chris@41: 		printf ("\t%-2d : %s\n", k, errorstr) ;
Chris@41: 		if (errorstr == NULL)
Chris@41: 		{	errors ++ ;
Chris@41: 			continue ;
Chris@41: 			} ;
Chris@41: 		if (strstr (errorstr, "Placeholder.") == errorstr)
Chris@41: 			break ;
Chris@41: 		} ;
Chris@41: 
Chris@41: 	if (errors != 0)
Chris@41: 	{	printf ("\n\nLine %d : Missing error numbers above.\n\n", __LINE__) ;
Chris@41: 		exit (1) ;
Chris@41: 		} ;
Chris@41: 
Chris@41: 	puts ("") ;
Chris@41: 
Chris@41: 	return ;
Chris@41: } /* error_test */
Chris@41: 
Chris@41: static void
Chris@41: zero_input_test (int converter)
Chris@41: {	SRC_DATA data ;
Chris@41: 	SRC_STATE *state ;
Chris@41: 	float out [100] ;
Chris@41: 	int error ;
Chris@41: 
Chris@41: 	printf ("    %s (%-26s) ........ ", __func__, src_get_name (converter)) ;
Chris@41: 	fflush (stdout) ;
Chris@41: 
Chris@41: 	if ((state = src_new (converter, 1, &error)) == NULL)
Chris@41: 	{	printf ("\n\nLine %d : src_new failed : %s.\n\n", __LINE__, src_strerror (error)) ;
Chris@41: 		exit (1) ;
Chris@41: 		} ;
Chris@41: 
Chris@41: 	data.data_in = (float *) 0xdeadbeef ;
Chris@41: 	data.input_frames = 0 ;
Chris@41: 	data.data_out = out ;
Chris@41: 	data.output_frames = ARRAY_LEN (out) ;
Chris@41: 	data.end_of_input = 0 ;
Chris@41: 	data.src_ratio = 1.0 ;
Chris@41: 
Chris@41: 	if ((error = src_process (state, &data)))
Chris@41: 	{	printf ("\n\nLine %d : src_new failed : %s.\n\n", __LINE__, src_strerror (error)) ;
Chris@41: 		exit (1) ;
Chris@41: 		} ;
Chris@41: 
Chris@41: 	state = src_delete (state) ;
Chris@41: 
Chris@41: 	puts ("ok") ;
Chris@41: } /* zero_input_test */