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Optimize the read_partition.

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Change-Id: I5a796425ce5706824a2fc17c6f24f983c5b9e43b
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hkuang
2015-05-01 12:35:08 -07:00
parent ccae5d99d2
commit 4c1a8be29d
1 changed files with 1 additions and 10 deletions
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11
vp9/common/vp9_onyxc_int.h
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@@ -417,21 +417,12 @@ static INLINE int partition_plane_context(const MACROBLOCKD *xd,
BLOCK_SIZE bsize) { BLOCK_SIZE bsize) {
const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK); const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
const int bsl = mi_width_log2_lookup[bsize]; const int bsl = mi_width_log2_lookup[bsize];
const int bs = 1 << bsl; int above = (*above_ctx >> bsl) & 1 , left = (*left_ctx >> bsl) & 1;
int above = 0, left = 0, i;
assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]); assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]);
assert(bsl >= 0); assert(bsl >= 0);
for (i = 0; i < bs; i++) {
above |= above_ctx[i];
left |= left_ctx[i];
}
above = (above & bs) > 0;
left = (left & bs) > 0;
return (left * 2 + above) + bsl * PARTITION_PLOFFSET; return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
} }