diff options
Diffstat (limited to 'apps/metadata/spc.c')
-rw-r--r-- | apps/metadata/spc.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/apps/metadata/spc.c b/apps/metadata/spc.c new file mode 100644 index 0000000000..8d85518714 --- /dev/null +++ b/apps/metadata/spc.c | |||
@@ -0,0 +1,126 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2005 Dave Chapman | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | #include <stdio.h> | ||
20 | #include <string.h> | ||
21 | #include <stdlib.h> | ||
22 | #include <ctype.h> | ||
23 | #include <inttypes.h> | ||
24 | |||
25 | #include "system.h" | ||
26 | #include "id3.h" | ||
27 | #include "metadata_common.h" | ||
28 | #include "debug.h" | ||
29 | #include "atoi.h" | ||
30 | #include "rbunicode.h" | ||
31 | |||
32 | bool get_spc_metadata(int fd, struct mp3entry* id3) | ||
33 | { | ||
34 | /* Use the trackname part of the id3 structure as a temporary buffer */ | ||
35 | unsigned char * buf = (unsigned char *)id3->path; | ||
36 | int read_bytes; | ||
37 | char * p; | ||
38 | |||
39 | unsigned long length; | ||
40 | unsigned long fade; | ||
41 | bool isbinary = true; | ||
42 | int i; | ||
43 | |||
44 | /* try to get the ID666 tag */ | ||
45 | if ((lseek(fd, 0x2e, SEEK_SET) < 0) | ||
46 | || ((read_bytes = read(fd, buf, 0xD2)) < 0xD2)) | ||
47 | { | ||
48 | DEBUGF("lseek or read failed\n"); | ||
49 | return false; | ||
50 | } | ||
51 | |||
52 | p = id3->id3v2buf; | ||
53 | |||
54 | id3->title = p; | ||
55 | buf[31] = 0; | ||
56 | p = iso_decode(buf, p, 0, 32); | ||
57 | buf += 32; | ||
58 | |||
59 | id3->album = p; | ||
60 | buf[31] = 0; | ||
61 | p = iso_decode(buf, p, 0, 32); | ||
62 | buf += 48; | ||
63 | |||
64 | id3->comment = p; | ||
65 | buf[31] = 0; | ||
66 | p = iso_decode(buf, p, 0, 32); | ||
67 | buf += 32; | ||
68 | |||
69 | /* Date check */ | ||
70 | if(buf[2] == '/' && buf[5] == '/') | ||
71 | isbinary = false; | ||
72 | |||
73 | /* Reserved bytes check */ | ||
74 | if(buf[0xD2 - 0x2E - 112] >= '0' && | ||
75 | buf[0xD2 - 0x2E - 112] <= '9' && | ||
76 | buf[0xD3 - 0x2E - 112] == 0x00) | ||
77 | isbinary = false; | ||
78 | |||
79 | /* is length & fade only digits? */ | ||
80 | for (i=0;i<8 && ( | ||
81 | (buf[0xA9 - 0x2E - 112+i]>='0'&&buf[0xA9 - 0x2E - 112+i]<='9') || | ||
82 | buf[0xA9 - 0x2E - 112+i]=='\0'); | ||
83 | i++); | ||
84 | if (i==8) isbinary = false; | ||
85 | |||
86 | if(isbinary) { | ||
87 | id3->year = buf[0] | (buf[1]<<8); | ||
88 | buf += 11; | ||
89 | |||
90 | length = (buf[0] | (buf[1]<<8) | (buf[2]<<16)) * 1000; | ||
91 | buf += 3; | ||
92 | |||
93 | fade = (buf[0] | (buf[1]<<8) | (buf[2]<<16) | (buf[3]<<24)); | ||
94 | buf += 4; | ||
95 | } else { | ||
96 | char tbuf[6]; | ||
97 | |||
98 | buf += 6; | ||
99 | buf[4] = 0; | ||
100 | id3->year = atoi(buf); | ||
101 | buf += 5; | ||
102 | |||
103 | memcpy(tbuf, buf, 3); | ||
104 | tbuf[3] = 0; | ||
105 | length = atoi(tbuf) * 1000; | ||
106 | buf += 3; | ||
107 | |||
108 | memcpy(tbuf, buf, 5); | ||
109 | tbuf[5] = 0; | ||
110 | fade = atoi(tbuf); | ||
111 | buf += 5; | ||
112 | } | ||
113 | |||
114 | id3->artist = p; | ||
115 | buf[31] = 0; | ||
116 | p = iso_decode(buf, p, 0, 32); | ||
117 | |||
118 | if (length==0) { | ||
119 | length=3*60*1000; /* 3 minutes */ | ||
120 | fade=5*1000; /* 5 seconds */ | ||
121 | } | ||
122 | |||
123 | id3->length = length+fade; | ||
124 | |||
125 | return true; | ||
126 | } | ||