A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/*
2 * Copyright (C) 1996-1998 Szeredi Miklos
3 * Email: mszeredi@inf.bme.hu
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. See the file COPYING.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 *
19 */
20
21#include "compr.h"
22
23void compr(void)
24{
25 int j, c, lc, lled, rep, num;
26
27 rep = 0;
28
29 c = compr_read_byte();
30 lc = 0;
31 num = 0;
32
33 while(c >= 0) {
34 if(lc == 0xED) lled = 1;
35 else lled = 0;
36
37 lc = c;
38 c = compr_read_byte();
39 if(c == lc && num != 255 && (!lled || rep)) {
40 if(!rep) {
41 num = 1;
42 rep = 1;
43 }
44 num++;
45 }
46 else {
47 if(rep) {
48 if(num < 5 && lc != 0xED) for(j = 0; j < num; j++) compr_put_byte(lc);
49 else{
50 compr_put_byte(0xED);
51 compr_put_byte(0xED);
52 compr_put_byte(num);
53 compr_put_byte(lc);
54 num = 0;
55 }
56 rep = 0;
57 }
58 else compr_put_byte(lc);
59 }
60 }
61
62 compr_put_byte(0x00);
63 compr_put_byte(0xED);
64 compr_put_byte(0xED);
65 compr_put_byte(0x00);
66}
67