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Merge "Fix invalid memory access on 2x downscale."

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Yaowu Xu 2014-09-24 09:58:05 -07:00 committed by Gerrit Code Review
commit 148c57d231
1 changed files with 2 additions and 2 deletions
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vp9/common/vp9_reconinter.c
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@ -470,13 +470,13 @@ static void dec_build_inter_predictors(MACROBLOCKD *xd, int plane, int block,
int y1 = ((y0_16 + (h - 1) * ys) >> SUBPEL_BITS) + 1; int y1 = ((y0_16 + (h - 1) * ys) >> SUBPEL_BITS) + 1;
int x_pad = 0, y_pad = 0; int x_pad = 0, y_pad = 0;
if (subpel_x || (sf->x_step_q4 & SUBPEL_MASK)) { if (subpel_x || (sf->x_step_q4 != 16)) {
x0 -= VP9_INTERP_EXTEND - 1; x0 -= VP9_INTERP_EXTEND - 1;
x1 += VP9_INTERP_EXTEND; x1 += VP9_INTERP_EXTEND;
x_pad = 1; x_pad = 1;
} }
if (subpel_y || (sf->y_step_q4 & SUBPEL_MASK)) { if (subpel_y || (sf->y_step_q4 != 16)) {
y0 -= VP9_INTERP_EXTEND - 1; y0 -= VP9_INTERP_EXTEND - 1;
y1 += VP9_INTERP_EXTEND; y1 += VP9_INTERP_EXTEND;
y_pad = 1; y_pad = 1;