68 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			68 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  | ** Copyright (C) 1999-2011 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>
 | ||
|  | 
 | ||
|  | #if HAVE_UNISTD_H
 | ||
|  | #include <unistd.h>
 | ||
|  | #else
 | ||
|  | #include "sf_unistd.h"
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #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 (argv [1], SFM_READ, &sfinfo))) | ||
|  | 	{	printf ("sf_open_read failed with error : ") ; | ||
|  | 		puts (sf_strerror (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         : %d\n", total) ; | ||
|  | 	printf ("Maximun value : %d\n", max) ; | ||
|  | 
 | ||
|  | 	sf_close (file) ; | ||
|  | 
 | ||
|  | 	return 0 ; | ||
|  | } /* main */ | ||
|  | 
 |