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📄 headerless_test.c

📁 Audacity是一款用於錄音和編輯聲音的、免費的開放源碼軟體。它可以執行於Mac OS X、Microsoft Windows、GNU/Linux和其它作業系統
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/*** Copyright (C) 1999-2004 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 "config.h"#include <stdio.h>#include <stdlib.h>#include <string.h>#include <math.h>#if HAVE_UNISTD_H#include <unistd.h>#endif#include <sndfile.h>#include "utils.h"#define	BUFFER_SIZE		(100)intmain (void){	static	short	buffer [BUFFER_SIZE] ;	SNDFILE		*file ;	SF_INFO		sfinfo ;	int			k, filetype ;	const char	*filename = "headerless.wav" ;	printf ("    header-less test : ") ;	fflush (stdout) ;	for (k = 0 ; k < BUFFER_SIZE ; k++)		buffer [k] = k ;	filetype = SF_FORMAT_WAV | SF_FORMAT_PCM_16 ;	sfinfo.samplerate	= 32000 ;	sfinfo.frames		= 123456789 ; /* Wrong length. Library should correct this on sf_close. */	sfinfo.channels		= 1 ;	sfinfo.format		= filetype ;	if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))	{	printf ("Line %d: sf_open_write failed with error : ", __LINE__) ;		fflush (stdout) ;		puts (sf_strerror (NULL)) ;		exit (1) ;		} ;	if ((k = sf_write_short (file, buffer, BUFFER_SIZE)) != BUFFER_SIZE)	{	printf ("Line %d: sf_write_short failed with short write (%d => %d).\n", __LINE__, BUFFER_SIZE, k) ;		fflush (stdout) ;		puts (sf_strerror (file)) ;		exit (1) ;		} ;	sf_close (file) ;	memset (buffer, 0, sizeof (buffer)) ;	/* Read as RAW but get the bit width and endian-ness correct. */	sfinfo.format = filetype = SF_ENDIAN_LITTLE | SF_FORMAT_RAW | SF_FORMAT_PCM_16 ;	if (! (file = sf_open (filename, SFM_READ, &sfinfo)))	{	printf ("Line %d: sf_open_read failed with error : ", __LINE__) ;		fflush (stdout) ;		puts (sf_strerror (NULL)) ;		exit (1) ;		} ;	if (sfinfo.format != filetype)	{	printf ("Line %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;		exit (1) ;		} ;	if (sfinfo.frames < BUFFER_SIZE)	{	printf ("Line %d: Incorrect number of.frames in file. (%d => %ld)\n", __LINE__, BUFFER_SIZE, SF_COUNT_TO_LONG (sfinfo.frames)) ;		exit (1) ;		} ;	if (sfinfo.channels != 1)	{	printf ("Line %d: Incorrect number of channels in file.\n", __LINE__) ;		exit (1) ;		} ;	check_log_buffer_or_die (file, __LINE__) ;	if ((k = sf_read_short (file, buffer, BUFFER_SIZE)) != BUFFER_SIZE)	{	printf ("Line %d: short read (%d).\n", __LINE__, k) ;		exit (1) ;		} ;	for (k = 0 ; k < BUFFER_SIZE - 22 ; k++)		if (buffer [k + 22] != k)		{	printf ("Line %d: Incorrect sample (#%d : 0x%x => 0x%x).\n", __LINE__, k, k, buffer [k]) ;			exit (1) ;			} ;	printf ("ok\n") ;	unlink (filename) ;	return 0 ;} /* main *//*** Do not edit or modify anything in this comment block.** The arch-tag line is a file identity tag for the GNU Arch ** revision control system.**** arch-tag: 0820bc1a-c396-4e66-9997-096999b0bc40*/

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