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path: root/vp9/common/vp9_reconinter.c
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Diffstat (limited to 'vp9/common/vp9_reconinter.c')
-rw-r--r--vp9/common/vp9_reconinter.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/vp9/common/vp9_reconinter.c b/vp9/common/vp9_reconinter.c
index cc70e4cc0..7576e7b6f 100644
--- a/vp9/common/vp9_reconinter.c
+++ b/vp9/common/vp9_reconinter.c
@@ -269,21 +269,15 @@ static void dec_build_inter_predictors(MACROBLOCKD *xd, int plane, int block,
? (plane == 0 ? mi->bmi[block].as_mv[ref].as_mv
: mi_mv_pred_q4(mi, ref))
: mi->mbmi.mv[ref].as_mv;
-
- // TODO(jkoleszar): This clamping is done in the incorrect place for the
- // scaling case. It needs to be done on the scaled MV, not the pre-scaling
- // MV. Note however that it performs the subsampling aware scaling so
- // that the result is always q4.
- // mv_precision precision is MV_PRECISION_Q4.
- 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, x1, y1, frame_width,
- frame_height, subpel_x, subpel_y, buf_stride;
+ int xs, ys, x0, y0, x0_16, y0_16, frame_width, frame_height, buf_stride,
+ subpel_x, subpel_y;
uint8_t *ref_frame, *buf_ptr;
const YV12_BUFFER_CONFIG *ref_buf = xd->block_refs[ref]->buf;
+ const MV mv_q4 = {
+ mv.row * (1 << (1 - pd->subsampling_y)),
+ mv.col * (1 << (1 - pd->subsampling_x))
+ };
// Get reference frame pointer, width and height.
if (plane == 0) {
@@ -327,10 +321,6 @@ static void dec_build_inter_predictors(MACROBLOCKD *xd, int plane, int block,
x0_16 += scaled_mv.col;
y0_16 += scaled_mv.row;
- // Get reference block bottom right coordinate.
- x1 = ((x0_16 + (w - 1) * xs) >> SUBPEL_BITS) + 1;
- y1 = ((y0_16 + (h - 1) * ys) >> SUBPEL_BITS) + 1;
-
// Get reference block pointer.
buf_ptr = ref_frame + y0 * pre_buf->stride + x0;
buf_stride = pre_buf->stride;
@@ -339,6 +329,9 @@ static void dec_build_inter_predictors(MACROBLOCKD *xd, int plane, int block,
// width/height is not a multiple of 8 pixels.
if (scaled_mv.col || scaled_mv.row ||
(frame_width & 0x7) || (frame_height & 0x7)) {
+ // Get reference block bottom right coordinate.
+ int x1 = ((x0_16 + (w - 1) * xs) >> SUBPEL_BITS) + 1;
+ int y1 = ((y0_16 + (h - 1) * ys) >> SUBPEL_BITS) + 1;
int x_pad = 0, y_pad = 0;
if (subpel_x || (sf->x_step_q4 & SUBPEL_MASK)) {