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 34static short buffer [BUFFER_SIZE] ; 35 36int 37main (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