Fix decoder mismatch in sub-pixel SSSE3 intrinsic filters
authorYunqing Wang <yunqingwang@google.com>
Fri, 23 May 2014 18:52:20 +0000 (11:52 -0700)
committerYunqing Wang <yunqingwang@google.com>
Fri, 23 May 2014 18:52:20 +0000 (11:52 -0700)
commitc5443fc8810593fbc2456de0c75dd6061c5ab576
treeca7e9e9588efb3398bde7c0675c901455be076d7
parent94103308937ec7118cce82bbd776f282b0eca584
Fix decoder mismatch in sub-pixel SSSE3 intrinsic filters

In 8-tap filtering, to guarantee the intermediate results fit in
16 bits, the order of accumulating the products needs to be done
correctly, and the largest product should be added last. This
patch fixed the problem using the method in commit "Correct ssse3
8/16-pixel wide sub-pixel filter calculation".

Change-Id: I79d0ad60c057b15011ece84cda9648eee0809423
vp9/common/x86/vp9_asm_stubs.c
vp9/common/x86/vp9_subpixel_8t_intrin_ssse3.c