sftest.c
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上传日期:2013-07-25
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文件大小:2k
- /*
- ** Copyright (C) 1999-2000 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 <unistd.h>
- #include <sndfile.h>
- #define BUFFER_SIZE (1024)
- static short buffer [BUFFER_SIZE] ;
- int main (int argc, char *argv[])
- { SNDFILE *file ;
- SF_INFO sfinfo ;
- int k, count, max = 0, total = 0 ;
-
- if (argc < 2)
- { printf ("Expecting input file name.n") ;
- return 0 ;
- } ;
-
- if (! (file = sf_open_read (argv [1], &sfinfo)))
- { printf ("sf_open_read failed with error : ") ;
- sf_perror (NULL) ;
- exit (1) ;
- } ;
- while ((count = sf_read_short (file, buffer, BUFFER_SIZE)))
- { for (k = 0 ; k < count ; k++)
- if (abs (buffer [k]) > max)
- max = abs (buffer [k]) ;
- total += count ;
- } ;
-
- printf ("Total : %dn", total) ;
- printf ("Maximun value : %dn", max) ;
-
- sf_close (file) ;
- return 0 ;
- } /* main */