1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
** Copyright (C) 2008-2016 Erik de Castro Lopo <erikd@mega-nerd.com>
**
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the author nor the names of any contributors may be used
** to endorse or promote products derived from this software without
** specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <float.h>
#include <sndfile.h>
#define BLOCK_SIZE 4096
#ifdef DBL_DECIMAL_DIG
#define OP_DBL_Digs (DBL_DECIMAL_DIG)
#else
#ifdef DECIMAL_DIG
#define OP_DBL_Digs (DECIMAL_DIG)
#else
#define OP_DBL_Digs (DBL_DIG + 3)
#endif
#endif
static void
print_usage (char *progname)
{ printf ("\nUsage : %s [--full-precision] <input file> <output file>\n", progname) ;
puts ("\n"
" Where the output file will contain a line for each frame\n"
" and a column for each channel.\n"
) ;
} /* print_usage */
static void
convert_to_text (SNDFILE * infile, FILE * outfile, int channels, int full_precision)
{ float buf [BLOCK_SIZE] ;
sf_count_t frames ;
int k, m, readcount ;
frames = BLOCK_SIZE / channels ;
while ((readcount = sf_readf_float (infile, buf, frames)) > 0)
{ for (k = 0 ; k < readcount ; k++)
{ for (m = 0 ; m < channels ; m++)
if (full_precision)
fprintf (outfile, " %.*e", OP_DBL_Digs - 1, buf [k * channels + m]) ;
else
fprintf (outfile, " % 12.10f", buf [k * channels + m]) ;
fprintf (outfile, "\n") ;
} ;
} ;
return ;
} /* convert_to_text */
int
main (int argc, char * argv [])
{ char *progname, *infilename, *outfilename ;
SNDFILE *infile = NULL ;
FILE *outfile = NULL ;
SF_INFO sfinfo ;
int full_precision = 0 ;
progname = strrchr (argv [0], '/') ;
progname = progname ? progname + 1 : argv [0] ;
switch (argc)
{ case 4 :
if (!strcmp ("--full-precision", argv [3]))
{ print_usage (progname) ;
return 1 ;
} ;
full_precision = 1 ;
argv++ ;
case 3 :
break ;
default:
print_usage (progname) ;
return 1 ;
} ;
infilename = argv [1] ;
outfilename = argv [2] ;
if (strcmp (infilename, outfilename) == 0)
{ printf ("Error : Input and output filenames are the same.\n\n") ;
print_usage (progname) ;
return 1 ;
} ;
if (infilename [0] == '-')
{ printf ("Error : Input filename (%s) looks like an option.\n\n", infilename) ;
print_usage (progname) ;
return 1 ;
} ;
if (outfilename [0] == '-')
{ printf ("Error : Output filename (%s) looks like an option.\n\n", outfilename) ;
print_usage (progname) ;
return 1 ;
} ;
memset (&sfinfo, 0, sizeof (sfinfo)) ;
if ((infile = sf_open (infilename, SFM_READ, &sfinfo)) == NULL)
{ printf ("Not able to open input file %s.\n", infilename) ;
puts (sf_strerror (NULL)) ;
return 1 ;
} ;
/* Open the output file. */
if ((outfile = fopen (outfilename, "w")) == NULL)
{ printf ("Not able to open output file %s : %s\n", outfilename, sf_strerror (NULL)) ;
return 1 ;
} ;
fprintf (outfile, "# Converted from file %s.\n", infilename) ;
fprintf (outfile, "# Channels %d, Sample rate %d\n", sfinfo.channels, sfinfo.samplerate) ;
convert_to_text (infile, outfile, sfinfo.channels, full_precision) ;
sf_close (infile) ;
fclose (outfile) ;
return 0 ;
} /* main */
|
