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
|
/*
* Copyright 2003-2017 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 "TagSave.hxx"
#include "tag/Tag.hxx"
#include "config/ConfigGlobal.hxx"
#include "input/InputStream.hxx"
#include "input/Init.hxx"
#include "ScopeIOThread.hxx"
#include "thread/Cond.hxx"
#include "Log.hxx"
#include "fs/io/BufferedOutputStream.hxx"
#include "fs/io/StdioOutputStream.hxx"
#ifdef ENABLE_ARCHIVE
#include "archive/ArchiveList.hxx"
#endif
#include <stdexcept>
#include <unistd.h>
#include <stdlib.h>
class GlobalInit {
const ScopeIOThread io_thread;
public:
GlobalInit() {
config_global_init();
#ifdef ENABLE_ARCHIVE
archive_plugin_init_all();
#endif
input_stream_global_init();
}
~GlobalInit() {
input_stream_global_finish();
#ifdef ENABLE_ARCHIVE
archive_plugin_deinit_all();
#endif
config_global_finish();
}
};
static void
tag_save(FILE *file, const Tag &tag)
{
StdioOutputStream sos(file);
BufferedOutputStream bos(sos);
tag_save(bos, tag);
bos.Flush();
}
static int
dump_input_stream(InputStream *is)
{
const std::lock_guard<Mutex> protect(is->mutex);
/* print meta data */
if (is->HasMimeType())
fprintf(stderr, "MIME type: %s\n", is->GetMimeType());
/* read data and tags from the stream */
while (!is->IsEOF()) {
Tag *tag = is->ReadTag();
if (tag != NULL) {
fprintf(stderr, "Received a tag:\n");
tag_save(stderr, *tag);
delete tag;
}
char buffer[4096];
size_t num_read = is->Read(buffer, sizeof(buffer));
if (num_read == 0)
break;
ssize_t num_written = write(1, buffer, num_read);
if (num_written <= 0)
break;
}
is->Check();
return 0;
}
int main(int argc, char **argv)
try {
if (argc != 2) {
fprintf(stderr, "Usage: run_input URI\n");
return EXIT_FAILURE;
}
/* initialize MPD */
const GlobalInit init;
/* open the stream and dump it */
Mutex mutex;
Cond cond;
auto is = InputStream::OpenReady(argv[1], mutex, cond);
return dump_input_stream(is.get());
} catch (const std::exception &e) {
LogError(e);
return EXIT_FAILURE;
}
|
