tree 93e3ce05f72964c33dee4e32e02de136919dde1f
parent 9e4f76c154a355bac2a3e005e47882219801bdae
author Yaowu Xu <yaowu@google.com> 1277949534 -0700
committer Yaowu Xu <yaowu@google.com> 1306948244 -0700

remove some magic weights associated with sad_per_bit

sad_per_bit has been used for a number of motion vector search routines
with different magic weights: 1, 1/2 and 1/4. This commit remove these
magic numbers and use 1/2 for all motion search routines, also reformat
a number of source code lines to within 80 column limit.

Test on cif set shows overall effect is neutral on all metrics. <=0.01%

Change-Id: I8a382821fa4cffc9c0acf8e8431435a03df74885