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/*
** Copyright (C) 2001 Erik de Castro Lopo <erikd@zip.com.au>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <math.h>
#include <sndfile.h>
#define BUFFER_LEN (1<<10)
#define LOG_BUFFER_SIZE 1024
static void float_norm_test (void) ;
/* Force the start of this buffer to be double aligned. Sparc-solaris will
** choke if its not.
*/
static float float_data [BUFFER_LEN] ;
int
main (int argc, char *argv[])
{ /*-char *filename ;-*/
int bDoAll = 0 ;
int nTests = 0 ;
if (argc != 2)
{ printf ("Usage : %s <test>\n", argv [0]) ;
printf (" Where <test> is one of the following:\n") ;
printf (" ver - test sf_command (\"get lib ver\")\n") ;
printf (" text - test adding of text strings\n") ;
printf (" fnorm - test floating point normalisation\n") ;
printf (" dnorm - test double precision floating point normalisation\n") ;
printf (" peak - test PEAK chunk for integer files\n") ;
printf (" all - perform all tests\n") ;
exit (1) ;
} ;
bDoAll =! strcmp (argv [1], "all");
if (bDoAll || ! strcmp (argv [1], "ver"))
{ char buffer [128] ;
sf_command (NULL, "lib version", buffer, sizeof (buffer)) ;
printf ("version : %s\n", buffer) ;
nTests++ ;
} ;
if (bDoAll || ! strcmp (argv [1], "fnorm"))
{ float_norm_test () ;
nTests++ ;
} ;
if (bDoAll || ! strcmp (argv [1], "text"))
{ sf_command (NULL, "read text", NULL, 0) ;
sf_command (NULL, "write text", NULL, 0) ;
nTests++ ;
} ;
if (nTests == 0)
{ printf ("Mono : ************************************\n") ;
printf ("Mono : * No '%s' test defined.\n", argv [1]) ;
printf ("Mono : ************************************\n") ;
return 1 ;
} ;
return 0;
} /* main */
/*============================================================================================
** Here are the test functions.
*/
static void
float_norm_test (void)
{ static char filename [] = "fnorm.wav" ;
SNDFILE *file ;
SF_INFO sfinfo ;
unsigned int k ;
printf (" float_norm_test : ") ;
fflush (stdout) ;
sfinfo.samplerate = 44100 ;
sfinfo.pcmbitwidth = 16 ;
sfinfo.format = (SF_FORMAT_WAV | SF_FORMAT_PCM) ;
sfinfo.channels = 1 ;
sfinfo.samples = BUFFER_LEN ;
/* Create float_data with all values being less than 1.0. */
for (k = 0 ; k < BUFFER_LEN / 2 ; k++)
float_data [k] = (k + 5) / (2.0 * BUFFER_LEN) ;
for (k = BUFFER_LEN / 2 ; k < BUFFER_LEN ; k++)
float_data [k] = (k + 5) ;
if (! (file = sf_open_write (filename, &sfinfo)))
{ printf ("sf_open_write failed with error : ") ;
sf_perror (NULL) ;
exit (1) ;
} ;
/* Data is normalised so trun normalisation on before writing. */
sf_command (file, "norm float", "on", 0) ;
if ((k = sf_write_float (file, float_data, BUFFER_LEN / 2)) != BUFFER_LEN / 2)
{ printf ("sf_write_float failed with short write (%d ->%d)\n", BUFFER_LEN, k) ;
exit (1) ;
} ;
sf_command (file, "norm float", "off", 0) ;
if ((k = sf_write_float (file, float_data + BUFFER_LEN / 2, BUFFER_LEN / 2)) != BUFFER_LEN / 2)
{ printf ("sf_write_float failed with short write (%d ->%d)\n", BUFFER_LEN, k) ;
exit (1) ;
} ;
sf_close (file) ;
if (! (file = sf_open_read (filename, &sfinfo)))
{ printf ("sf_open_read failed with error : ") ;
sf_perror (NULL) ;
exit (1) ;
} ;
if (sfinfo.format != (SF_FORMAT_WAV | SF_FORMAT_PCM))
{ printf ("Returned format incorrect (0x%08X => 0x%08X).\n", (SF_FORMAT_WAV | SF_FORMAT_PCM), sfinfo.format) ;
exit (1) ;
} ;
if (sfinfo.samples != BUFFER_LEN)
{ printf ("\n\nError (%s:%d) : Incorrect number of samples in file. (%u => %u)\n", __FILE__, __LINE__, BUFFER_LEN, sfinfo.samples) ;
exit (1) ;
} ;
if (sfinfo.channels != 1)
{ printf ("Incorrect number of channels in file.\n") ;
exit (1) ;
} ;
if (sfinfo.pcmbitwidth != 16)
{ printf ("Incorrect bit width (%d).\n", sfinfo.pcmbitwidth) ;
exit (1) ;
} ;
/* Read float_data and check that it is NOT normalised. */
if ((k = sf_read_float (file, float_data, BUFFER_LEN)) != BUFFER_LEN)
{ printf ("\n\nError (%s:%d) : sf_read_float failed with short read (%d ->%d)\n", __FILE__, __LINE__, BUFFER_LEN, k) ;
exit (1) ;
} ;
for (k = 0 ; k < BUFFER_LEN ; k++)
if (float_data [k] < 1.0)
{ printf ("\n\nError (%s:%d) : float_data [%d] == %f which is less than 1.0\n", __FILE__, __LINE__, k, float_data [k]) ;
exit (1) ;
} ;
/* Seek to start of file, turn normalisation on, read float_data and check again. */
sf_seek (file, 0, SEEK_SET) ;
sf_command (file, "norm float", "on", 0) ;
if ((k = sf_read_float (file, float_data, BUFFER_LEN)) != BUFFER_LEN)
{ printf ("\n\nError (%s:%d) : sf_read_float failed with short read (%d ->%d)\n", __FILE__, __LINE__, BUFFER_LEN, k) ;
exit (1) ;
} ;
for (k = 0 ; k < BUFFER_LEN ; k++)
if (float_data [k] > 1.0)
{ printf ("\n\nError (%s:%d) : float_data [%d] == %f which is greater than 1.0\n", __FILE__, __LINE__, k, float_data [k]) ;
exit (1) ;
} ;
/* Seek to start of file, turn normalisation off, read float_data and do final check. */
sf_seek (file, 0, SEEK_SET) ;
sf_command (file, "norm float", "off", 0) ;
if ((k = sf_read_float (file, float_data, BUFFER_LEN)) != BUFFER_LEN)
{ printf ("\n\nError (%s:%d) : sf_read_float failed with short read (%d ->%d)\n", __FILE__, __LINE__, BUFFER_LEN, k) ;
exit (1) ;
} ;
for (k = 0 ; k < BUFFER_LEN ; k++)
if (float_data [k] < 1.0)
{ printf ("\n\nError (%s:%d) : float_data [%d] == %f which is less than 1.0\n", __FILE__, __LINE__, k, float_data [k]) ;
exit (1) ;
} ;
sf_close (file) ;
unlink (filename) ;
printf ("ok\n") ;
} /* float_norm_test */
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