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Change back the scaling calculation.

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Let the calculation to be compatible with Google's HW implementation.

Change-Id: I22e179888cdb0419e230351c0a47661b37051fef
This commit is contained in:
hkuang 2014-03-21 14:27:03 -07:00
parent 35af423e8e
commit 22232ec602
1 changed files with 2 additions and 4 deletions
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6
vp9/common/vp9_reconinter.c
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@ -308,10 +308,8 @@ static void dec_build_inter_predictors(MACROBLOCKD *xd, int plane, int block,
y0_16 = sf->scale_value_y(y0_16, sf);
// Map the top left corner of the block into the reference frame.
// NOTE: This must be done in this way instead of
// sf->scale_value_x(x_start + x, sf).
x0 = sf->scale_value_x(x_start, sf) + sf->scale_value_x(x, sf);
y0 = sf->scale_value_y(y_start, sf) + sf->scale_value_y(y, sf);
x0 = sf->scale_value_x(x_start + x, sf);
y0 = sf->scale_value_y(y_start + y, sf);
// Scale the MV and incorporate the sub-pixel offset of the block
// in the reference frame.