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/*
** Copyright (c) 2002-2016, 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/libsndfile/libsamplerate/blob/master/COPYING
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <samplerate.h>
#include "util.h"
static void name_test (void) ;
static void error_test (void) ;
static void src_ratio_test (void) ;
static void zero_input_test (int converter) ;
static void get_channels_test (int converter);
int
main (void)
{
puts ("") ;
printf (" version : %s\n\n", src_get_version ()) ;
/* Current max converter is SRC_LINEAR. */
name_test () ;
error_test () ;
src_ratio_test () ;
zero_input_test (SRC_ZERO_ORDER_HOLD) ;
zero_input_test (SRC_LINEAR) ;
#ifdef ENABLE_SINC_FAST_CONVERTER
zero_input_test (SRC_SINC_FASTEST) ;
#endif
get_channels_test (SRC_ZERO_ORDER_HOLD) ;
get_channels_test (SRC_LINEAR) ;
#ifdef ENABLE_SINC_FAST_CONVERTER
get_channels_test (SRC_SINC_FASTEST) ;
#endif
puts ("") ;
return 0 ;
} /* main */
static void
name_test (void)
{ const char *name ;
int k = 0 ;
puts (" name_test :") ;
while (1)
{ name = src_get_name (k) ;
if (name == NULL)
break ;
printf ("\tName %d : %s\n", k, name) ;
printf ("\tDesc %d : %s\n", k, src_get_description (k)) ;
k ++ ;
} ;
puts ("") ;
return ;
} /* name_test */
/*------------------------------------------------------------------------------
*/
typedef struct
{ double ratio ;
int should_pass ;
} RATIO_TEST ;
static RATIO_TEST ratio_test [] =
{ { 1.0 / 256.1, 0 },
{ 1.0 / 256.0, 1 },
{ 1.0, 1 },
{ 256.0, 1 },
{ 256.1, 0 },
{ -1.0, 0 }
} ;
static void
src_ratio_test (void)
{ int k ;
puts (" src_ratio_test (SRC ratio must be in range [1/256, 256]):" ) ;
for (k = 0 ; k < ARRAY_LEN (ratio_test) ; k++)
{ if (ratio_test [k].should_pass && src_is_valid_ratio (ratio_test [k].ratio) == 0)
{ printf ("\n\nLine %d : SRC ratio %f should have passed.\n\n", __LINE__, ratio_test [k].ratio) ;
exit (1) ;
} ;
if (! ratio_test [k].should_pass && src_is_valid_ratio (ratio_test [k].ratio) != 0)
{ printf ("\n\nLine %d : SRC ratio %f should not have passed.\n\n", __LINE__, ratio_test [k].ratio) ;
exit (1) ;
} ;
printf ("\t SRC ratio (%9.5f) : %s ................... ok\n", ratio_test [k].ratio,
(ratio_test [k].should_pass ? "pass" : "fail")) ;
} ;
puts ("") ;
return ;
} /* src_ratio_test */
static void
error_test (void)
{ const char *errorstr ;
int k, errors = 0 ;
puts (" error_test :") ;
for (k = 0 ; 1 ; k++)
{ errorstr = src_strerror (k) ;
printf ("\t%-2d : %s\n", k, errorstr) ;
if (errorstr == NULL)
{ errors ++ ;
continue ;
} ;
if (strstr (errorstr, "Placeholder.") == errorstr)
break ;
} ;
if (errors != 0)
{ printf ("\n\nLine %d : Missing error numbers above.\n\n", __LINE__) ;
exit (1) ;
} ;
puts ("") ;
return ;
} /* error_test */
static void
zero_input_test (int converter)
{ SRC_DATA data ;
SRC_STATE *state ;
float out [100] ;
int error ;
printf (" %s (%-26s) ........ ", __func__, src_get_name (converter)) ;
fflush (stdout) ;
if ((state = src_new (converter, 1, &error)) == NULL)
{ printf ("\n\nLine %d : src_new failed : %s.\n\n", __LINE__, src_strerror (error)) ;
exit (1) ;
} ;
data.data_in = (float *) (size_t) 0xdeadbeef ;
data.input_frames = 0 ;
data.data_out = out ;
data.output_frames = ARRAY_LEN (out) ;
data.end_of_input = 0 ;
data.src_ratio = 1.0 ;
if ((error = src_process (state, &data)))
{ printf ("\n\nLine %d : src_new failed : %s.\n\n", __LINE__, src_strerror (error)) ;
exit (1) ;
} ;
state = src_delete (state) ;
puts ("ok") ;
} /* zero_input_test */
static void get_channels_test(int converter)
{
SRC_STATE *state;
int channels_in, channels_out;
const char *errorstr;
state = NULL;
if ((channels_out = src_get_channels(state)) >= 0)
{
printf ("\n\nLine %d : Return value should be negative, was : %d.\n\n", __LINE__, channels_out) ;
exit (1) ;
}
errorstr = src_strerror(-channels_out);
if (!strstr(errorstr, "NULL"))
{
printf ("\n\nLine %d : Inverted output should be valid error code mentioning a NULL pointer, was : %s.\n\n", __LINE__, errorstr) ;
exit (1) ;
}
for (channels_in = 1; channels_in <= 8; channels_in++)
{
int error;
state = src_new(converter, channels_in, &error);
if ((channels_out = src_get_channels(state)) != channels_in)
{
printf ("\n\nLine %d : Return value should be %d, was : %d.\n\n", __LINE__, channels_in, channels_out) ;
exit (1) ;
}
state = src_delete(state);
}
}
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