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📄 multi_file_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>#ifdef HAVE_UNISTD_H#include <unistd.h>#endif#if (HAVE_DECL_S_IRGRP == 0)#include <sf_unistd.h>#endif#include <fcntl.h>#include <math.h>#include <string.h>#include <errno.h>#include <sys/stat.h>#include <sndfile.h>#include "utils.h"#define	DATA_LENGTH 		(512)static off_t get_file_length (int fd) ;static void write_file_at_end (int fd, int filetype, int channels, int file_num) ;static void multi_file_test (const char *filename, int *formats, int format_count) ;static short data [DATA_LENGTH] ;static int 	wav_formats [] ={	SF_FORMAT_WAV | SF_FORMAT_PCM_16,	SF_FORMAT_WAV | SF_FORMAT_PCM_24,	SF_FORMAT_WAV | SF_FORMAT_ULAW,	SF_FORMAT_WAV | SF_FORMAT_ALAW,	/* Lite remove start */	SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM,	SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM,	/* Lite remove end */	/*-SF_FORMAT_WAV | SF_FORMAT_GSM610 Doesn't work yet. -*/} ;static int 	aiff_formats [] ={	SF_FORMAT_AIFF | SF_FORMAT_PCM_16,	SF_FORMAT_AIFF | SF_FORMAT_PCM_24,	SF_FORMAT_AIFF | SF_FORMAT_ULAW,	SF_FORMAT_AIFF | SF_FORMAT_ALAW} ;static int 	au_formats [] ={	SF_FORMAT_AU | SF_FORMAT_PCM_16,	SF_FORMAT_AU | SF_FORMAT_PCM_24,	SF_FORMAT_AU | SF_FORMAT_ULAW,	SF_FORMAT_AU | SF_FORMAT_ALAW} ;static int verbose = SF_FALSE ;intmain (int argc, char **argv){	int		do_all = 0 ;	int		test_count = 0 ;	if (argc == 3 && strcmp (argv [2], "-v") == 0)	{	verbose = SF_TRUE ;		argc -- ;		} ;	if (argc != 2)	{	printf ("Usage : %s <test>\n", argv [0]) ;		printf ("    Where <test> is one of the following:\n") ;		printf ("           wav   - test WAV file functions (little endian)\n") ;		printf ("           aiff  - test AIFF file functions (big endian)\n") ;		printf ("           au    - test AU file functions\n") ;#if 0		printf ("           svx   - test 8SVX/16SV file functions\n") ;		printf ("           nist  - test NIST Sphere file functions\n") ;		printf ("           ircam - test IRCAM file functions\n") ;		printf ("           voc   - Create Voice file functions\n") ;		printf ("           w64   - Sonic Foundry's W64 file functions\n") ;#endif		printf ("           all   - perform all tests\n") ;		exit (1) ;		} ;	do_all = !strcmp (argv [1], "all") ;	if (do_all || ! strcmp (argv [1], "wav"))	{	multi_file_test	("multi_wav.dat", wav_formats, ARRAY_LEN (wav_formats)) ;		test_count++ ;		} ;	if (do_all || ! strcmp (argv [1], "aiff"))	{	multi_file_test	("multi_aiff.dat", aiff_formats, ARRAY_LEN (aiff_formats)) ;		test_count++ ;		} ;	if (do_all || ! strcmp (argv [1], "au"))	{	multi_file_test	("multi_au.dat", au_formats, ARRAY_LEN (au_formats)) ;		test_count++ ;		} ;	return 0 ;} /* main *//*======================================================================================*/static voidmulti_file_test (const char *filename, int *formats, int format_count){	SNDFILE				*sndfile ;	SF_INFO				sfinfo ;	SF_EMBED_FILE_INFO	embed_info ;	off_t				file_length ;	int					fd, k, file_count = 0 ;	print_test_name ("multi_file_test", filename) ;	unlink (filename) ;	if ((fd = open (filename, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP )) < 0)	{	printf ("\n\nLine %d: open failed : %s\n", __LINE__, strerror (errno)) ;		exit (1) ;		} ;	write (fd, "1234", 4) ;	for (k = 0 ; k < format_count ; k++)		write_file_at_end (fd, formats [k], 2, k) ;	file_length = get_file_length (fd) ;	embed_info.offset = 4 ;	embed_info.length = 0 ;	file_count = 0 ;	while (embed_info.offset + embed_info.length < file_length)	{		file_count ++ ;		if (verbose)		{	puts ("\n------------------------------------") ;			printf ("This offset : %ld\n", SF_COUNT_TO_LONG (embed_info.offset + embed_info.length)) ;			} ;		if (lseek (fd, embed_info.offset + embed_info.length, SEEK_SET) < 0)		{	printf ("\n\nLine %d: lseek failed : %s\n", __LINE__, strerror (errno)) ;			exit (1) ;			} ;		memset (&sfinfo, 0, sizeof (sfinfo)) ;		if ((sndfile = sf_open_fd (fd, SFM_READ, &sfinfo, SF_FALSE)) == NULL)		{	printf ("\n\nLine %d: sf_open_fd failed\n", __LINE__) ;			printf ("Embedded file number : %d   offset : %ld\n", file_count, SF_COUNT_TO_LONG (embed_info.offset)) ;			puts (sf_strerror (sndfile)) ;			dump_log_buffer (sndfile) ;			exit (1) ;			} ;		sf_command (sndfile, SFC_GET_EMBED_FILE_INFO, &embed_info, sizeof (embed_info)) ;		sf_close (sndfile) ;		if (verbose)			printf ("\nNext offset : %ld\nNext length : %ld\n", SF_COUNT_TO_LONG (embed_info.offset), SF_COUNT_TO_LONG (embed_info.length)) ;		} ;	if (file_count != format_count)	{	printf ("\n\nLine %d: file count (%d) not equal to %d.\n\n", __LINE__, file_count, format_count) ;		printf ("Embedded file number : %d\n", file_count) ;		exit (1) ;		} ;	close (fd) ;	unlink (filename) ;	printf ("ok\n") ;	return ;} /* multi_file_test *//*======================================================================================*/static voidwrite_file_at_end (int fd, int filetype, int channels, int file_num){	SNDFILE *sndfile ;	SF_INFO sfinfo ;	int	frames, k ;	lseek (fd, 0, SEEK_END) ;	for (k = 0 ; k < DATA_LENGTH ; k++)		data [k] = k ;	frames = DATA_LENGTH / channels ;	sfinfo.format = filetype ;	sfinfo.channels = channels ;	sfinfo.samplerate = 44100 ;	if ((sndfile = sf_open_fd (fd, SFM_WRITE, &sfinfo, SF_FALSE)) == NULL)	{	printf ("\n\nLine %d: sf_open_fd failed\n", __LINE__) ;		printf ("Embedded file number : %d\n", file_num) ;		puts (sf_strerror (sndfile)) ;		dump_log_buffer (sndfile) ;		exit (1) ;		} ;	if (sf_writef_short (sndfile, data, frames) != frames)	{	printf ("\n\nLine %d: short write\n", __LINE__) ;		printf ("Embedded file number : %d\n", file_num) ;		exit (1) ;		} ;	sf_close (sndfile) ;} /* write_file_at_end */static off_tget_file_length (int fd){	struct stat statbuf ;	if (fstat (fd, &statbuf) == -1)	{	printf ("\n\nError : fstat error : %s\n\n", strerror (errno)) ;		exit (1) ;		} ;	return statbuf.st_size ;} /* get_file_length *//*** 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: c1a09b0e-57c9-4306-b69e-a865d44eecb3*/

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