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https://gitee.com/openharmony/third_party_libsnd
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66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
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** Copyright (C) 1999-2004 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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#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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