1 /* |
|
2 * Copyright (c) 2010 Ixonos Plc. |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - Initial contribution |
|
11 * |
|
12 * Contributors: |
|
13 * Ixonos Plc |
|
14 * |
|
15 * Description: |
|
16 * Definition of the zigzag tables. |
|
17 * |
|
18 */ |
|
19 |
|
20 |
|
21 #ifndef _ZIGZAG_H_ |
|
22 #define _ZIGZAG_H_ |
|
23 |
|
24 /* |
|
25 * Structs and typedefs |
|
26 */ |
|
27 |
|
28 /* Normal zigzag */ |
|
29 static const int zigzag[64] = { |
|
30 0, 1, 5, 6,14,15,27,28, |
|
31 2, 4, 7,13,16,26,29,42, |
|
32 3, 8,12,17,25,30,41,43, |
|
33 9,11,18,24,31,40,44,53, |
|
34 10,19,23,32,39,45,52,54, |
|
35 20,22,33,38,46,51,55,60, |
|
36 21,34,37,47,50,56,59,61, |
|
37 35,36,48,49,57,58,62,63 |
|
38 }; |
|
39 |
|
40 /* Horizontal zigzag */ |
|
41 static const int zigzag_h[64] = { |
|
42 0, 1, 2, 3,10,11,12,13, |
|
43 4, 5, 8, 9,17,16,15,14, |
|
44 6, 7,19,18,26,27,28,29, |
|
45 20,21,24,25,30,31,32,33, |
|
46 22,23,34,35,42,43,44,45, |
|
47 36,37,40,41,46,47,48,49, |
|
48 38,39,50,51,56,57,58,59, |
|
49 52,53,54,55,60,61,62,63 |
|
50 }; |
|
51 |
|
52 /* Vertical zigzag */ |
|
53 static const int zigzag_v[64] = { |
|
54 0, 4, 6,20,22,36,38,52, |
|
55 1, 5, 7,21,23,37,39,53, |
|
56 2, 8,19,24,34,40,50,54, |
|
57 3, 9,18,25,35,41,51,55, |
|
58 10,17,26,30,42,46,56,60, |
|
59 11,16,27,31,43,47,57,61, |
|
60 12,15,28,32,44,48,58,62, |
|
61 13,14,29,33,45,49,59,63 |
|
62 }; |
|
63 |
|
64 /* Inverse normal zigzag */ |
|
65 static const int zigzag_i[64] = |
|
66 { |
|
67 0, 1, 8,16, 9, 2, 3,10, |
|
68 17,24,32,25,18,11, 4, 5, |
|
69 12,19,26,33,40,48,41,34, |
|
70 27,20,13, 6, 7,14,21,28, |
|
71 35,42,49,56,57,50,43,36, |
|
72 29,22,15,23,30,37,44,51, |
|
73 58,59,52,45,38,31,39,46, |
|
74 53,60,61,54,47,55,62,63 |
|
75 }; |
|
76 |
|
77 #endif /* ifndef _ZIGZAG_H_ */ |
|
78 // End of File |
|