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
|
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include "click-finder.h"
#include "version.h"
// #include <fftw3.h>
static int verbose_flag;
static long long int bytes_per_sample = 3;
static long long int channels = 1;
int
main(int argc, char **argv)
{
int c;
int samples_read;
while (1)
{
static struct option long_options[] =
{
{"help", no_argument, 0, 0},
{"version", no_argument, 0, 0},
{"verbose", no_argument, &verbose_flag, 1},
{"brief", no_argument, &verbose_flag, 0},
{"bitspersample", required_argument, 0, 'b'},
{"channels", required_argument, 0, 'c'},
{0, 0, 0, 0}
};
/* getopt_long stores the option index here. */
int option_index = 0;
c = getopt_long (argc, argv, "b:hv",
long_options, &option_index);
/* Detect the end of the options. */
if (c == -1)
break;
switch (c)
{
case 0:
/* If this option set a flag, do nothing else now. */
if (long_options[option_index].flag != 0)
break;
switch (option_index)
{
case 0:
printf("Print help here.\n");
exit(0);
case 1:
printf("This is %s, version %s\n", progname, VERSION);
exit(0);
default:
fprintf (stderr, "unknown option %s", long_options[option_index].name);
if (optarg)
fprintf (stderr, " with arg %s", optarg);
fprintf (stderr, "\n");
exit(1);
}
break;
case 'b':
if (atoi(optarg) % 8 != 0)
{
fprintf(stderr, "%s: bits per sample (%d) is no multiple of 8", progname, atoi(optarg));
exit(1);
}
bytes_per_sample = atoi(optarg)/8;
break;
case 'c':
channels = atoi(optarg);
break;
case 'v':
verbose_flag=1;
break;
case '?':
/* getopt_long already printed an error message. */
exit(1);
default:
exit(1);
}
}
if (optind != argc)
{
fprintf(stderr, "%s: spurious option '%s'\n", progname, argv[optind]);
exit(1);
}
if (verbose_flag)
{
fprintf(stderr, "bps: %d\n", bytes_per_sample*8);
fprintf(stderr, "channels: %d\n", channels);
}
int8_t *content = malloc(sizeof(int8_t) * bytes_per_sample * channels * BUF_SIZE);
long long int content_length = 0; // in bytes
if (content == NULL)
{
fprintf(stderr, "%s: Failed to allocate content", progname);
exit(1);
}
while (samples_read = fread(content + content_length, bytes_per_sample * channels, BUF_SIZE, stdin))
{
content_length += samples_read * bytes_per_sample * channels;
content = realloc(content, content_length + sizeof(int8_t) * bytes_per_sample * channels * BUF_SIZE);
}
if(ferror(stdin))
{
free(content);
fprintf(stderr, "%s: Error reading from stdin.", progname);
exit(1);
}
fprintf(stderr, "%d", content_length);
free(content);
if (verbose_flag)
fprintf(stderr, "success\n");
return 0;
}
|