Showing the changes to codec/decoder/core/src/decode_mb_aux.cpp (1 of 25 files). Show all
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| @@ -76,6 +76,96 @@ void IdctResAddPred_c (uint8_t* pPred, const int32_t kiStride, int16_t* pRs) { · 75 unmodified lines | ||
| 76 | 76 | } |
| 77 | 77 | } |
| 78 | 78 | |
| 79 | +void IdctResAddPred8x8_c (uint8_t* pPred, const int32_t kiStride, int16_t* pRs) { | |
| 80 | + // To make the ASM code easy to write, should using one funciton to apply hor and ver together, such as we did on HEVC | |
| 81 | + // Ugly code, just for easy debug, the final version need optimization | |
| 82 | + int16_t p[8], b[8]; | |
| 83 | + int16_t a[4]; | |
| 84 | + | |
| 85 | + int16_t iTmp[64]; | |
| 86 | + int16_t iRes[64]; | |
| 87 | + | |
| 88 | + // Horizontal | |
| 89 | + for (int i = 0; i < 8; i++) { | |
| 90 | + for (int j = 0; j < 8; j++) { | |
| 91 | + p[j] = pRs[j + (i << 3)]; | |
| 92 | + } | |
| 93 | + a[0] = p[0] + p[4]; | |
| 94 | + a[1] = p[0] - p[4]; | |
| 95 | + a[2] = p[6] - (p[2] >> 1); | |
| 96 | + a[3] = p[2] + (p[6] >> 1); | |
| 97 | + | |
| 98 | + b[0] = a[0] + a[3]; | |
| 99 | + b[2] = a[1] - a[2]; | |
| 100 | + b[4] = a[1] + a[2]; | |
| 101 | + b[6] = a[0] - a[3]; | |
| 102 | + | |
| 103 | + a[0] = -p[3] + p[5] - p[7] - (p[7] >> 1); | |
| 104 | + a[1] = p[1] + p[7] - p[3] - (p[3] >> 1); | |
| 105 | + a[2] = -p[1] + p[7] + p[5] + (p[5] >> 1); | |
| 106 | + a[3] = p[3] + p[5] + p[1] + (p[1] >> 1); | |
| 107 | + | |
| 108 | + b[1] = a[0] + (a[3] >> 2); | |
| 109 | + b[3] = a[1] + (a[2] >> 2); | |
| 110 | + b[5] = a[2] - (a[1] >> 2); | |
| 111 | + b[7] = a[3] - (a[0] >> 2); | |
| 112 | + | |
| 113 | + iTmp[0 + (i << 3)] = b[0] + b[7]; | |
| 114 | + iTmp[1 + (i << 3)] = b[2] - b[5]; | |
| 115 | + iTmp[2 + (i << 3)] = b[4] + b[3]; | |
| 116 | + iTmp[3 + (i << 3)] = b[6] + b[1]; | |
| 117 | + iTmp[4 + (i << 3)] = b[6] - b[1]; | |
| 118 | + iTmp[5 + (i << 3)] = b[4] - b[3]; | |
| 119 | + iTmp[6 + (i << 3)] = b[2] + b[5]; | |
| 120 | + iTmp[7 + (i << 3)] = b[0] - b[7]; | |
| 121 | + } | |
| 122 | + | |
| 123 | + //Vertical | |
| 124 | + for (int i = 0; i < 8; i++) { | |
| 125 | + for (int j = 0; j < 8; j++) { | |
| 126 | + p[j] = iTmp[i + (j << 3)]; | |
| 127 | + } | |
| 128 | + | |
| 129 | + a[0] = p[0] + p[4]; | |
| 130 | + a[1] = p[0] - p[4]; | |
| 131 | + a[2] = p[6] - (p[2] >> 1); | |
| 132 | + a[3] = p[2] + (p[6] >> 1); | |
| 133 | + | |
| 134 | + b[0] = a[0] + a[3]; | |
| 135 | + b[2] = a[1] - a[2]; | |
| 136 | + b[4] = a[1] + a[2]; | |
| 137 | + b[6] = a[0] - a[3]; | |
| 138 | + | |
| 139 | + a[0] = -p[3] + p[5] - p[7] - (p[7] >> 1); | |
| 140 | + a[1] = p[1] + p[7] - p[3] - (p[3] >> 1); | |
| 141 | + a[2] = -p[1] + p[7] + p[5] + (p[5] >> 1); | |
| 142 | + a[3] = p[3] + p[5] + p[1] + (p[1] >> 1); | |
| 143 | + | |
| 144 | + | |
| 145 | + b[1] = a[0] + (a[3] >> 2); | |
| 146 | + b[7] = a[3] - (a[0] >> 2); | |
| 147 | + b[3] = a[1] + (a[2] >> 2); | |
| 148 | + b[5] = a[2] - (a[1] >> 2); | |
| 149 | + | |
| 150 | + iRes[ (0 << 3) + i] = b[0] + b[7]; | |
| 151 | + iRes[ (1 << 3) + i] = b[2] - b[5]; | |
| 152 | + iRes[ (2 << 3) + i] = b[4] + b[3]; | |
| 153 | + iRes[ (3 << 3) + i] = b[6] + b[1]; | |
| 154 | + iRes[ (4 << 3) + i] = b[6] - b[1]; | |
| 155 | + iRes[ (5 << 3) + i] = b[4] - b[3]; | |
| 156 | + iRes[ (6 << 3) + i] = b[2] + b[5]; | |
| 157 | + iRes[ (7 << 3) + i] = b[0] - b[7]; | |
| 158 | + } | |
| 159 | + | |
| 160 | + uint8_t* pDst = pPred; | |
| 161 | + for (int i = 0; i < 8; i++) { | |
| 162 | + for (int j = 0; j < 8; j++) { | |
| 163 | + pDst[i * kiStride + j] = WelsClip1 (((32 + iRes[ (i << 3) + j]) >> 6) + pDst[i * kiStride + j]); | |
| 164 | + } | |
| 165 | + } | |
| 166 | + | |
| 167 | +} | |
| 168 | + | |
| 79 | 169 | void GetI4LumaIChromaAddrTable (int32_t* pBlockOffset, const int32_t kiYStride, const int32_t kiUVStride) { |
| 80 | 170 | int32_t* pOffset = pBlockOffset; |
| 81 | 171 | int32_t i; |