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(parent: fbac779) | patch
Make 4-tap interp filter coefficients even numbers
authorYunqing Wang <yunqingwang@google.com>
Thu, 11 Oct 2018 22:13:47 +0000 (15:13 -0700)
committerYunqing Wang <yunqingwang@google.com>
Fri, 12 Oct 2018 00:02:34 +0000 (00:02 +0000)
commite4f030be87735114f5e70ba45e006c1afbdd0872
treef4885fa2bda945826377518431ddcfcd3e352b14tree | snapshot
parentfbac7790a65595fe0582c4283c2389a0d1d2b7bdcommit | diff
Make 4-tap interp filter coefficients even numbers

This CL modified 4-tap interp filter coefficients to be even numbers,
which would help in writing 4-tap filter SIMD optimizations. The coding
performance change was negligible. Speed 1 borg test showed:
        avg_psnr:  ovr_psnr:    ssim:
lowres:  -0.003    -0.012      -0.017
midres:  0.029     0.018        0.043
hdres:   0.024     0.044        0.033

Change-Id: Id7c54bb9a9c1aee19c41bc6f1dc3b9682d158bba
vp9/common/vp9_filter.c diff | blob | history
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