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
157
|
/*
DeaDBeeF - ultimate music player for GNU/Linux systems with X11
Copyright (C) 2009-2011 Alexey Yakovenko <waker@users.sourceforge.net>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "deadbeef.h"
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
static DB_functions_t *deadbeef;
typedef struct {
DB_vfs_t *vfs;
int stream;
int64_t offs;
} STDIO_FILE;
static DB_vfs_t plugin;
static DB_FILE *
stdio_open (const char *fname) {
if (!memcmp (fname, "file://", 7)) {
fname += 7;
}
int file = open (fname, O_LARGEFILE);
if (file == -1) {
return NULL;
}
STDIO_FILE *fp = malloc (sizeof (STDIO_FILE));
fp->vfs = &plugin;
fp->stream = file;
fp->offs = 0;
return (DB_FILE*)fp;
}
static void
stdio_close (DB_FILE *stream) {
assert (stream);
close (((STDIO_FILE *)stream)->stream);
free (stream);
}
static size_t
stdio_read (void *ptr, size_t size, size_t nmemb, DB_FILE *stream) {
assert (stream);
assert (ptr);
int res = read (((STDIO_FILE*)stream)->stream, ptr, size*nmemb);
if (res == -1) {
return 0;
}
((STDIO_FILE*)stream)->offs += res;
return res / size;
}
static int
stdio_seek (DB_FILE *stream, int64_t offset, int whence) {
assert (stream);
off64_t res = lseek64 (((STDIO_FILE *)stream)->stream, offset, whence);
if (res == -1) {
return -1;
}
((STDIO_FILE*)stream)->offs = res;
return 0;
}
static int64_t
stdio_tell (DB_FILE *stream) {
assert (stream);
return ((STDIO_FILE*)stream)->offs;
}
static void
stdio_rewind (DB_FILE *stream) {
assert (stream);
stdio_seek (stream, 0, SEEK_SET);
}
static int64_t
stdio_getlength (DB_FILE *stream) {
assert (stream);
STDIO_FILE *f = (STDIO_FILE *)stream;
int64_t size = lseek64 (f->stream, 0, SEEK_END);
lseek64 (f->stream, f->offs, SEEK_SET);
return size;
}
const char *
stdio_get_content_type (DB_FILE *stream) {
return NULL;
}
int
stdio_is_streaming (void) {
return 0;
}
// standard stdio vfs
static DB_vfs_t plugin = {
DB_PLUGIN_SET_API_VERSION
.plugin.version_major = 0,
.plugin.version_minor = 1,
.plugin.type = DB_PLUGIN_VFS,
.plugin.name = "stdio vfs",
.plugin.descr = "Standard IO plugin",
.plugin.copyright =
"Copyright (C) 2009-2011 Alexey Yakovenko <waker@users.sourceforge.net>\n"
"\n"
"This program is free software; you can redistribute it and/or\n"
"modify it under the terms of the GNU General Public License\n"
"as published by the Free Software Foundation; either version 2\n"
"of the License, or (at your option) any later version.\n"
"\n"
"This program is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with this program; if not, write to the Free Software\n"
"Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\n"
,
.plugin.website = "http://deadbeef.sf.net",
.open = stdio_open,
.close = stdio_close,
.read = stdio_read,
.seek = stdio_seek,
.tell = stdio_tell,
.rewind = stdio_rewind,
.getlength = stdio_getlength,
.get_content_type = stdio_get_content_type,
.is_streaming = stdio_is_streaming
};
DB_plugin_t *
stdio_load (DB_functions_t *api) {
deadbeef = api;
return DB_PLUGIN (&plugin);
}
|
