tsiry-sandratraina.com
A modern, network-enabled music player platform built on Rockbox technology.
rockboxd.tsiry-sandratraina.com
rust
deno
navidrome
airplay
libadwaita
zig
mpris
snapcast
mpd
rockbox
audio
subsonic
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 *
9 * Copyright (C) 2005 Dave Chapman
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
15 *
16 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
17 * KIND, either express or implied.
18 *
19 ****************************************************************************/
20#include <stdio.h>
21#include <string.h>
22#include <stdlib.h>
23#include <ctype.h>
24#include <inttypes.h>
25#include "platform.h"
26
27#include "metadata.h"
28#include "metadata_common.h"
29#include "metadata_parsers.h"
30#include "rbunicode.h"
31
32/* PSID metadata info is available here:
33 http://www.unusedino.de/ec64/technical/formats/sidplay.html */
34bool get_sid_metadata(int fd, struct mp3entry* id3)
35{
36 /* Use the trackname part of the id3 structure as a temporary buffer */
37 unsigned char* buf = (unsigned char *)id3->path;
38 char *p;
39
40
41 if ((lseek(fd, 0, SEEK_SET) < 0)
42 || (read(fd, buf, 0x80) < 0x80))
43 {
44 return false;
45 }
46
47 if (memcmp(buf, "PSID", 4) != 0 && memcmp(buf, "RSID", 4) != 0)
48 {
49 return false;
50 }
51
52 p = id3->id3v2buf;
53
54 /* Copy Title (assumed max 0x1f letters + 1 zero byte) */
55 id3->title = p;
56 buf[0x16+0x1f] = 0;
57 p = iso_decode(&buf[0x16], p, 0, strlen(&buf[0x16])+1);
58
59 /* Copy Artist (assumed max 0x1f letters + 1 zero byte) */
60 id3->artist = p;
61 buf[0x36+0x1f] = 0;
62 p = iso_decode(&buf[0x36], p, 0, strlen(&buf[0x36])+1);
63
64 /* Copy Year (assumed max 4 letters + 1 zero byte) */
65 buf[0x56+0x4] = 0;
66 id3->year = atoi(&buf[0x56]);
67
68 /* Copy Album (assumed max 0x1f-0x05 letters + 1 zero byte) */
69 id3->album = p;
70 buf[0x56+0x1f] = 0;
71 iso_decode(&buf[0x5b], p, 0, strlen(&buf[0x5b])+1);
72
73 id3->bitrate = 706;
74 id3->frequency = 44100;
75 /* New idea as posted by Marco Alanen (ravon):
76 * Set the songlength in seconds to the number of subsongs
77 * so every second represents a subsong.
78 * Users can then skip the current subsong by seeking
79 *
80 * Note: the number of songs is a 16bit value at 0xE, so this code only
81 * uses the lower 8 bits of the counter.
82 */
83 id3->length = (buf[0xf]-1)*1000;
84 id3->vbr = false;
85 id3->FS_PREFIX(filesize) = filesize(fd);
86
87 return true;
88}