quicktime/encore50/zigzag.h

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