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vp9_reconintra: specialize d135 4x4

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based on webp's RD4()

Change-Id: I64c8f0a1325a8f201eaad39b396fae7a2d06efff
This commit is contained in:
James Zern 2015-05-29 20:05:57 -07:00
parent b6782686f4
commit 6e068e51b5
1 changed files with 22 additions and 1 deletions
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23
vp9/common/vp9_reconintra.c
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@ -538,6 +538,27 @@ static INLINE void d117_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
}
intra_pred_no_4x4(d117)
void vp9_d135_predictor_4x4(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];
const int D = above[3];
(void)stride;
DST(0, 3) = AVG3(J, K, L);
DST(1, 3) = DST(0, 2) = AVG3(I, J, K);
DST(2, 3) = DST(1, 2) = DST(0, 1) = AVG3(X, I, J);
DST(3, 3) = DST(2, 2) = DST(1, 1) = DST(0, 0) = AVG3(A, X, I);
DST(3, 2) = DST(2, 1) = DST(1, 0) = AVG3(B, A, X);
DST(3, 1) = DST(2, 0) = AVG3(C, B, A);
DST(3, 0) = AVG3(D, C, B);
}
static INLINE void d135_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
int r, c;
@ -557,7 +578,7 @@ static INLINE void d135_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
dst += stride;
}
}
intra_pred_allsizes(d135)
intra_pred_no_4x4(d135)
void vp9_d153_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {