diff options
Diffstat (limited to 'vp9/common')
| -rw-r--r-- | vp9/common/vp9_reconintra.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/vp9/common/vp9_reconintra.c b/vp9/common/vp9_reconintra.c index 4b62c1cce..a0155d9a9 100644 --- a/vp9/common/vp9_reconintra.c +++ b/vp9/common/vp9_reconintra.c @@ -15,25 +15,6 @@ #include "vp9/common/vp9_reconintra.h" #include "vpx_mem/vpx_mem.h" -// Using multiplication and shifting instead of division in diagonal prediction. -// iscale table is calculated from ((1 << 16) + (i + 2) / 2) / (i+2) and used as -// ((A + B) * iscale[i] + (1 << 15)) >> 16; -// where A and B are weighted pixel values. -static const unsigned int iscale[64] = { - 32768, 21845, 16384, 13107, 10923, 9362, 8192, 7282, - 6554, 5958, 5461, 5041, 4681, 4369, 4096, 3855, - 3641, 3449, 3277, 3121, 2979, 2849, 2731, 2621, - 2521, 2427, 2341, 2260, 2185, 2114, 2048, 1986, - 1928, 1872, 1820, 1771, 1725, 1680, 1638, 1598, - 1560, 1524, 1489, 1456, 1425, 1394, 1365, 1337, - 1311, 1285, 1260, 1237, 1214, 1192, 1170, 1150, - 1130, 1111, 1092, 1074, 1057, 1040, 1024, 1008, -}; - -static INLINE int iscale_round(int value, int i) { - return ROUND_POWER_OF_TWO(value * iscale[i], 16); -} - static void d27_predictor(uint8_t *ypred_ptr, int y_stride, int bw, int bh, uint8_t *yabove_row, uint8_t *yleft_col) { |