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
|
/*
* Copyright (C) 2013 Adrian Ulrich <adrian@blinkenlights.ch>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
package github.daneren2005.dsub.util.tags;
import java.io.RandomAccessFile;
import java.io.IOException;
import java.util.HashMap;
public class Bastp {
public Bastp() {
}
public HashMap getTags(String fname) {
HashMap tags = new HashMap();
try {
RandomAccessFile ra = new RandomAccessFile(fname, "r");
tags = getTags(ra);
ra.close();
}
catch(Exception e) {
/* we dont' care much: SOMETHING went wrong. d'oh! */
}
return tags;
}
public HashMap getTags(RandomAccessFile s) {
HashMap tags = new HashMap();
byte[] file_ff = new byte[4];
try {
s.read(file_ff);
String magic = new String(file_ff);
if(magic.equals("fLaC")) {
tags = (new FlacFile()).getTags(s);
}
else if(magic.equals("OggS")) {
tags = (new OggFile()).getTags(s);
}
else if(file_ff[0] == -1 && file_ff[1] == -5) { /* aka 0xfffb in real languages */
tags = (new LameHeader()).getTags(s);
}
else if(magic.substring(0,3).equals("ID3")) {
tags = (new ID3v2File()).getTags(s);
if(tags.containsKey("_hdrlen")) {
Long hlen = Long.parseLong( tags.get("_hdrlen").toString(), 10 );
HashMap lameInfo = (new LameHeader()).parseLameHeader(s, hlen);
/* add gain tags if not already present */
inheritTag("REPLAYGAIN_TRACK_GAIN", lameInfo, tags);
inheritTag("REPLAYGAIN_ALBUM_GAIN", lameInfo, tags);
}
}
tags.put("_magic", magic);
}
catch (IOException e) {
}
return tags;
}
private void inheritTag(String key, HashMap from, HashMap to) {
if(!to.containsKey(key) && from.containsKey(key)) {
to.put(key, from.get(key));
}
}
}
|
