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