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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"
#define BUFFER_LEN (1 << 16)
#define NUM_CHANNELS 1
static void
nullptr_test (int converter)
{ static float input [BUFFER_LEN * NUM_CHANNELS] ;
static float output [BUFFER_LEN * NUM_CHANNELS] ;
SRC_STATE* src_state ;
SRC_DATA src_data, src_data2 ;
int error ;
printf (" nullptr_test (%-28s) ....... ", src_get_name (converter)) ;
fflush (stdout) ;
memset (input, 0, sizeof (input)) ;
memset (output, 0, sizeof (output)) ;
if ((src_state = src_new (converter, NUM_CHANNELS, &error)) == NULL)
{ printf ("\n\nLine %d : src_new() failed : %s\n\n", __LINE__, src_strerror (error)) ;
exit (1) ;
} ;
src_data.src_ratio = 1.1 ;
src_data.input_frames = BUFFER_LEN ;
src_data.output_frames = BUFFER_LEN ;
src_data.data_in = input ;
src_data.data_out = output ;
src_data.output_frames_gen = 0 ;
if ((error = src_process (src_state, &src_data)))
{ printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
exit (1) ;
} ;
//Input is zero-length
src_data2 = src_data;
src_data2.data_in = NULL;
src_data2.input_frames = 0;
if ((error = src_process (src_state, &src_data2)))
{ printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
exit (1) ;
} ;
//Output is zero-length
src_data2 = src_data;
src_data2.data_out = NULL;
src_data2.output_frames = 0;
if ((error = src_process (src_state, &src_data2)))
{ printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
exit (1) ;
} ;
//Input and output are zero-length
src_data2 = src_data;
src_data2.data_in = NULL;
src_data2.data_out = NULL;
src_data2.input_frames = 0;
src_data2.output_frames = 0;
if ((error = src_process (src_state, &src_data2)))
{ printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;
exit (1) ;
} ;
src_state = src_delete (src_state) ;
puts ("ok") ;
} /* nullptr_test */
int
main (void)
{
puts("");
nullptr_test (SRC_ZERO_ORDER_HOLD) ;
nullptr_test (SRC_LINEAR) ;
#ifdef ENABLE_SINC_FAST_CONVERTER
nullptr_test (SRC_SINC_FASTEST) ;
#endif
puts("");
return 0 ;
} /* main */
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