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vp9_reconintra: specialize d153 4x4

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based on webp's HD4()

Change-Id: Icba1e21ec4b8f5026dc92e49741a68b059c8b9b1
This commit is contained in:
James Zern 2015-05-29 20:12:46 -07:00
parent 102123821d
commit 2276eb16f3
1 changed files with 25 additions and 1 deletions
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26
vp9/common/vp9_reconintra.c
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@ -519,6 +519,30 @@ static INLINE void d135_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
}
intra_pred_allsizes(d135)
void vp9_d153_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const int I = left[0];
const int J = left[1];
const int K = left[2];
const int L = left[3];
const int X = above[-1];
const int A = above[0];
const int B = above[1];
const int C = above[2];
DST(0, 0) = DST(2, 1) = AVG2(I, X);
DST(0, 1) = DST(2, 2) = AVG2(J, I);
DST(0, 2) = DST(2, 3) = AVG2(K, J);
DST(0, 3) = AVG2(L, K);
DST(3, 0) = AVG3(A, B, C);
DST(2, 0) = AVG3(X, A, B);
DST(1, 0) = DST(3, 1) = AVG3(I, X, A);
DST(1, 1) = DST(3, 2) = AVG3(J, I, X);
DST(1, 2) = DST(3, 3) = AVG3(K, J, I);
DST(1, 3) = AVG3(L, K, J);
}
static INLINE void d153_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
int r, c;
@ -544,7 +568,7 @@ static INLINE void d153_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
dst += stride;
}
}
intra_pred_allsizes(d153)
intra_pred_no_4x4(d153)
static INLINE void v_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {