Commit 7e8e507b authored by hkuang's avatar hkuang

Remove unnecessary mv clamp with on demand border extension.

Change-Id: Ia2956f06f409b9b0ca8320ca4c1ea5680e938402
parent 5668dcc7
......@@ -1816,9 +1816,6 @@ void dec_build_inter_predictors(VP9Decoder *const pbi, MACROBLOCKD *xd,
int is_scaled, int ref) {
struct macroblockd_plane *const pd = &xd->plane[plane];
uint8_t *const dst = dst_buf->buf + dst_buf->stride * y + x;
const MV mv_q4 = clamp_mv_to_umv_border_sb(xd, mv, bw, bh,
pd->subsampling_x,
pd->subsampling_y);
MV32 scaled_mv;
int xs, ys, x0, y0, x0_16, y0_16, frame_width, frame_height,
buf_stride, subpel_x, subpel_y;
......@@ -1837,6 +1834,9 @@ void dec_build_inter_predictors(VP9Decoder *const pbi, MACROBLOCKD *xd,
}
if (is_scaled) {
const MV mv_q4 = clamp_mv_to_umv_border_sb(xd, mv, bw, bh,
pd->subsampling_x,
pd->subsampling_y);
// Co-ordinate of containing block to pixel precision.
int x_start = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x));
int y_start = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y));
......@@ -1868,8 +1868,8 @@ void dec_build_inter_predictors(VP9Decoder *const pbi, MACROBLOCKD *xd,
x0_16 = x0 << SUBPEL_BITS;
y0_16 = y0 << SUBPEL_BITS;
scaled_mv.row = mv_q4.row;
scaled_mv.col = mv_q4.col;
scaled_mv.row = mv->row * (1 << (1 - pd->subsampling_y));
scaled_mv.col = mv->col * (1 << (1 - pd->subsampling_x));
xs = ys = 16;
}
subpel_x = scaled_mv.col & SUBPEL_MASK;
......
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