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
|
/*
* Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 "config.h"
#include "IcyMetaDataServer.hxx"
#include "page.h"
#include "tag.h"
#include <glib.h>
#include <assert.h>
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "icy_server"
char*
icy_server_metadata_header(const char *name,
const char *genre, const char *url,
const char *content_type, int metaint)
{
return g_strdup_printf("ICY 200 OK\r\n"
"icy-notice1:<BR>This stream requires an audio player!<BR>\r\n" /* TODO */
"icy-notice2:MPD - The music player daemon<BR>\r\n"
"icy-name: %s\r\n" /* TODO */
"icy-genre: %s\r\n" /* TODO */
"icy-url: %s\r\n" /* TODO */
"icy-pub:1\r\n"
"icy-metaint:%d\r\n"
/* TODO "icy-br:%d\r\n" */
"Content-Type: %s\r\n"
"Connection: close\r\n"
"Pragma: no-cache\r\n"
"Cache-Control: no-cache, no-store\r\n"
"\r\n",
name,
genre,
url,
metaint,
/* bitrate, */
content_type);
}
static char *
icy_server_metadata_string(const char *stream_title, const char* stream_url)
{
gchar *icy_metadata;
guint meta_length;
// The leading n is a placeholder for the length information
icy_metadata = g_strdup_printf("nStreamTitle='%s';"
"StreamUrl='%s';",
stream_title,
stream_url);
g_return_val_if_fail(icy_metadata, NULL);
meta_length = strlen(icy_metadata);
meta_length--; // subtract placeholder
meta_length = ((int)meta_length / 16) + 1;
icy_metadata[0] = meta_length;
if (meta_length > 255) {
g_free(icy_metadata);
return NULL;
}
return icy_metadata;
}
struct page*
icy_server_metadata_page(const struct tag *tag, const enum tag_type *types)
{
const gchar *tag_items[TAG_NUM_OF_ITEM_TYPES];
gint last_item, item;
guint position;
gchar *icy_string;
struct page *icy_metadata;
gchar stream_title[(1 + 255 - 28) * 16]; // Length + Metadata -
// "StreamTitle='';StreamUrl='';"
// = 4081 - 28
stream_title[0] = '\0';
last_item = -1;
while (*types != TAG_NUM_OF_ITEM_TYPES) {
const gchar *tag_item = tag_get_value(tag, *types);
if (tag_item)
tag_items[++last_item] = tag_item;
}
position = item = 0;
while (position < sizeof(stream_title) && item <= last_item) {
gint length = 0;
length = g_strlcpy(stream_title + position,
tag_items[item++],
sizeof(stream_title) - position);
position += length;
if (item <= last_item) {
length = g_strlcpy(stream_title + position,
" - ",
sizeof(stream_title) - position);
position += length;
}
}
icy_string = icy_server_metadata_string(stream_title, "");
if (icy_string == NULL)
return NULL;
icy_metadata = page_new_copy(icy_string, (icy_string[0] * 16) + 1);
g_free(icy_string);
return icy_metadata;
}
|
