mirror of
https://gitee.com/openharmony/third_party_libsnd
synced 2024-11-27 03:50:29 +00:00
110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/*
|
|
** Copyright (C) 2002-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
|
|
**
|
|
** 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 "sfconfig.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
#if HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include <sndfile.h>
|
|
|
|
#include "utils.h"
|
|
|
|
#define BUFFER_SIZE (10000)
|
|
|
|
#ifndef M_PI
|
|
#define M_PI 3.14159265358979323846264338
|
|
#endif
|
|
|
|
static void dwvw_test (const char *filename, int format, int bit_width) ;
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
dwvw_test ("dwvw12.raw", SF_FORMAT_RAW | SF_FORMAT_DWVW_12, 12) ;
|
|
dwvw_test ("dwvw16.raw", SF_FORMAT_RAW | SF_FORMAT_DWVW_16, 16) ;
|
|
dwvw_test ("dwvw24.raw", SF_FORMAT_RAW | SF_FORMAT_DWVW_24, 24) ;
|
|
|
|
return 0 ;
|
|
} /* main */
|
|
|
|
static void
|
|
dwvw_test (const char *filename, int format, int bit_width)
|
|
{ static int write_buf [BUFFER_SIZE] ;
|
|
static int read_buf [BUFFER_SIZE] ;
|
|
|
|
SNDFILE *file ;
|
|
SF_INFO sfinfo ;
|
|
double value ;
|
|
int k, bit_mask ;
|
|
|
|
srand (123456) ;
|
|
|
|
/* Only want to grab the top bit_width bits. */
|
|
bit_mask = (-1 << (32 - bit_width)) ;
|
|
|
|
print_test_name ("dwvw_test", filename) ;
|
|
|
|
sf_info_setup (&sfinfo, format, 44100, 1) ;
|
|
|
|
file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;
|
|
|
|
/* Generate random.frames. */
|
|
for (k = 0 ; k < BUFFER_SIZE / 2 ; k++)
|
|
{ value = 0x7FFFFFFF * sin (123.0 / sfinfo.samplerate * 2 * k * M_PI) ;
|
|
write_buf [k] = bit_mask & lrint (value) ;
|
|
} ;
|
|
|
|
for ( ; k < BUFFER_SIZE ; k++)
|
|
write_buf [k] = bit_mask & ((rand () << 11) ^ (rand () >> 11)) ;
|
|
|
|
sf_write_int (file, write_buf, BUFFER_SIZE) ;
|
|
sf_close (file) ;
|
|
|
|
file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;
|
|
|
|
if ((k = sf_read_int (file, read_buf, BUFFER_SIZE)) != BUFFER_SIZE)
|
|
{ printf ("Error (line %d) : Only read %d/%d.frames.\n", __LINE__, k, BUFFER_SIZE) ;
|
|
exit (1) ;
|
|
}
|
|
|
|
for (k = 0 ; k < BUFFER_SIZE ; k++)
|
|
{ if (read_buf [k] != write_buf [k])
|
|
{ printf ("Error (line %d) : %d != %d at position %d/%d\n", __LINE__,
|
|
write_buf [k] >> (32 - bit_width), read_buf [k] >> (32 - bit_width),
|
|
k, BUFFER_SIZE) ;
|
|
oct_save_int (write_buf, read_buf, BUFFER_SIZE) ;
|
|
exit (1) ;
|
|
} ;
|
|
} ;
|
|
|
|
sf_close (file) ;
|
|
|
|
unlink (filename) ;
|
|
printf ("ok\n") ;
|
|
|
|
return ;
|
|
} /* dwvw_test */
|
|
|