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author | James Zern <jzern@google.com> | 2015-05-29 20:11:15 -0700 |
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committer | James Zern <jzern@google.com> | 2015-05-30 13:28:22 -0700 |
commit | c022dbc4d3ede895ef2cdd7dbaf41a3b548bd17a (patch) | |
tree | a90cdf96dda2578aacbe927ca15a36c375c8647d /vp9 | |
parent | 2276eb16f3d91dd62d714844238c2078d811d8b6 (diff) | |
download | libvpx-c022dbc4d3ede895ef2cdd7dbaf41a3b548bd17a.tar libvpx-c022dbc4d3ede895ef2cdd7dbaf41a3b548bd17a.tar.gz libvpx-c022dbc4d3ede895ef2cdd7dbaf41a3b548bd17a.tar.bz2 libvpx-c022dbc4d3ede895ef2cdd7dbaf41a3b548bd17a.zip |
vp9_reconintra: specialize d207 4x4
based on webp's HU4()
Change-Id: I2401ef307cd94e70cc7904f55954af04290c8af9
Diffstat (limited to 'vp9')
-rw-r--r-- | vp9/common/vp9_reconintra.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/vp9/common/vp9_reconintra.c b/vp9/common/vp9_reconintra.c index de9ba43ae..4c1dce951 100644 --- a/vp9/common/vp9_reconintra.c +++ b/vp9/common/vp9_reconintra.c @@ -363,6 +363,23 @@ static INLINE void highbd_dc_predictor(uint16_t *dst, ptrdiff_t stride, #define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2) #define AVG2(a, b) (((a) + (b) + 1) >> 1) +void vp9_d207_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]; + (void)above; + DST(0, 0) = AVG2(I, J); + DST(2, 0) = DST(0, 1) = AVG2(J, K); + DST(2, 1) = DST(0, 2) = AVG2(K, L); + DST(1, 0) = AVG3(I, J, K); + DST(3, 0) = DST(1, 1) = AVG3(J, K, L); + DST(3, 1) = DST(1, 2) = AVG3(K, L, L); + DST(3, 2) = DST(2, 2) = + DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L; +} + static INLINE void d207_predictor(uint8_t *dst, ptrdiff_t stride, int bs, const uint8_t *above, const uint8_t *left) { int r, c; @@ -390,7 +407,7 @@ static INLINE void d207_predictor(uint8_t *dst, ptrdiff_t stride, int bs, for (c = 0; c < bs - 2; ++c) dst[r * stride + c] = dst[(r + 1) * stride + c - 2]; } -intra_pred_allsizes(d207) +intra_pred_no_4x4(d207) void vp9_d63_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, const uint8_t *above, const uint8_t *left) { |