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419f638910
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2 Commits

Author SHA1 Message Date
Yunqing Wang
419f638910 Improve SSE2 half-pixel filter funtions 
Rewrote these functions to process 16 pixels once instead of 8.

Change-Id: Ic67e80124467a446a3df4cfecfb76a4248602adb
 2011-03-08 16:25:06 -05:00
Yunqing Wang
244e2e1451 Write SSSE3 sub-pixel filter function 
1. Process 16 pixels at one time instead of 8.
2. Add check for both xoffset =0 and yoffset=0, which happens
   during motion search.
This change gave encoder 1%~3% performance gain.

Change-Id: Idaa39506b48f4f8b2fbbeb45aae8226fa32afb3e
 2011-03-08 13:29:01 -05:00