?? zigzag.h
字號:
//數據ZIGZAG掃描定義
#ifndef _ZIGZAG_H_
#define _ZIGZAG_H_
/* Normal zigzag */
static Int zigzag[64] = {
0, 1, 5, 6,14,15,27,28,
2, 4, 7,13,16,26,29,42,
3, 8,12,17,25,30,41,43,
9,11,18,24,31,40,44,53,
10,19,23,32,39,45,52,54,
20,22,33,38,46,51,55,60,
21,34,37,47,50,56,59,61,
35,36,48,49,57,58,62,63
};
/* Horizontal zigzag */
static Int zigzag_h[64] = {
0, 1, 2, 3,10,11,12,13,
4, 5, 8, 9,17,16,15,14,
6, 7,19,18,26,27,28,29,
20,21,24,25,30,31,32,33,
22,23,34,35,42,43,44,45,
36,37,40,41,46,47,48,49,
38,39,50,51,56,57,58,59,
52,53,54,55,60,61,62,63
};
/* Vertical zigzag */
static Int zigzag_v[64] = {
0, 4, 6,20,22,36,38,52,
1, 5, 7,21,23,37,39,53,
2, 8,19,24,34,40,50,54,
3, 9,18,25,35,41,51,55,
10,17,26,30,42,46,56,60,
11,16,27,31,43,47,57,61,
12,15,28,32,44,48,58,62,
13,14,29,33,45,49,59,63
};
/* Inverse normal zigzag */
static Int zigzag_i[64] =
{
0, 1, 8,16, 9, 2, 3,10,
17,24,32,25,18,11, 4, 5,
12,19,26,33,40,48,41,34,
27,20,13, 6, 7,14,21,28,
35,42,49,56,57,50,43,36,
29,22,15,23,30,37,44,51,
58,59,52,45,38,31,39,46,
53,60,61,54,47,55,62,63
};
#endif /* ifndef _ZIGZAG_H_ */
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