68 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			68 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								/*
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								** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
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								**
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								** This program is free software; you can redistribute it and/or modify
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								** it under the terms of the GNU General Public License as published by
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								** the Free Software Foundation; either version 2 of the License, or
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								** (at your option) any later version.
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								**
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								** This program is distributed in the hope that it will be useful,
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								** but WITHOUT ANY WARRANTY; without even the implied warranty of
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								** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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								** GNU General Public License for more details.
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								**
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								** You should have received a copy of the GNU General Public License
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								** along with this program; if not, write to the Free Software
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								** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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								*/
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								#include "sfconfig.h"
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								#include <stdio.h>
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								#if HAVE_UNISTD_H
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								#include <unistd.h>
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								#else
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								#include "sf_unistd.h"
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								#endif
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								#include <sndfile.h>
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								#define	BUFFER_SIZE		(1024)
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								static short buffer [BUFFER_SIZE] ;
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								int
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								main (int argc, char *argv [])
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								{	SNDFILE	*file ;
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									SF_INFO sfinfo ;
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									int		k, count, max = 0, total = 0 ;
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									if (argc < 2)
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									{	printf ("Expecting input file name.\n") ;
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										return 0 ;
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										} ;
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									if (! (file = sf_open (argv [1], SFM_READ, &sfinfo)))
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									{	printf ("sf_open_read failed with error : ") ;
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										puts (sf_strerror (NULL)) ;
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										exit (1) ;
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										} ;
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									while ((count = sf_read_short (file, buffer, BUFFER_SIZE)))
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									{	for (k = 0 ; k < count ; k++)
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											if (abs (buffer [k]) > max)
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												max = abs (buffer [k]) ;
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										total += count ;
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										} ;
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									printf ("Total         : %d\n", total) ;
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									printf ("Maximun value : %d\n", max) ;
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									sf_close (file) ;
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									return 0 ;
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								} /* main */
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