1 /*
2 ** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
3 **
4 ** This program is free software; you can redistribute it and/or modify
5 ** it under the terms of the GNU General Public License as published by
6 ** the Free Software Foundation; either version 2 of the License, or
7 ** (at your option) any later version.
8 **
9 ** This program is distributed in the hope that it will be useful,
10 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ** GNU General Public License for more details.
13 **
14 ** You should have received a copy of the GNU General Public License
15 ** along with this program; if not, write to the Free Software
16 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 #include "sfconfig.h"
20
21 #include <stdio.h>
22
23 #if HAVE_UNISTD_H
24 #include <unistd.h>
25 #else
26 #include "sf_unistd.h"
27 #endif
28
29 #include <sndfile.h>
30
31 #define BUFFER_SIZE (1024)
32
33
34 static short buffer [BUFFER_SIZE] ;
35
36 int
main(int argc,char * argv[])37 main (int argc, char *argv [])
38 { SNDFILE *file ;
39 SF_INFO sfinfo ;
40 int k, count, max = 0, total = 0 ;
41
42 if (argc < 2)
43 { printf ("Expecting input file name.\n") ;
44 return 0 ;
45 } ;
46
47 if (! (file = sf_open (argv [1], SFM_READ, &sfinfo)))
48 { printf ("sf_open_read failed with error : ") ;
49 puts (sf_strerror (NULL)) ;
50 exit (1) ;
51 } ;
52
53 while ((count = sf_read_short (file, buffer, BUFFER_SIZE)))
54 { for (k = 0 ; k < count ; k++)
55 if (abs (buffer [k]) > max)
56 max = abs (buffer [k]) ;
57 total += count ;
58 } ;
59
60 printf ("Total : %d\n", total) ;
61 printf ("Maximun value : %d\n", max) ;
62
63 sf_close (file) ;
64
65 return 0 ;
66 } /* main */
67
68