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Revision 3 - (download) (annotate)
Fri Mar 8 02:46:11 2002 UTC (17 years, 8 months ago) by Isibaar
File size: 1020 byte(s)
moved sources
#ifndef _ZIGZAG_H_
#define _ZIGZAG_H_

static const uint16_t scan_tables[3][64] =
{
	{	// zig_zag_scan
	    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
	},

	{	// horizontal_scan
	    0,	1,	2,	3,	8,	9,	16, 17,
	    10, 11,	4,	5,	6,	7,	15, 14,
	    13, 12, 19, 18, 24, 25, 32, 33,
	    26, 27, 20, 21, 22, 23, 28, 29,
	    30, 31, 34, 35, 40, 41, 48, 49,
	    42, 43, 36, 37, 38, 39, 44, 45,
	    46, 47, 50, 51, 56, 57, 58, 59,
	    52, 53, 54, 55, 60, 61, 62, 63
	},

	{	// vertical_scan
	    0, 8, 16, 24, 1, 9, 2, 10,
	    17, 25, 32, 40, 48, 56, 57, 49,
	    41, 33, 26, 18, 3, 11, 4, 12,
	    19, 27, 34, 42, 50, 58, 35, 43,
	    51, 59, 20, 28, 5, 13, 6, 14,
	    21, 29, 36, 44, 52, 60, 37, 45,
	    53, 61, 22, 30, 7, 15, 23, 31,
	    38, 46, 54, 62, 39, 47, 55, 63
	}
};

#endif /* _ZIGZAG_H_ */

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