Commit ed29c2f9 authored by Ronald S. Bultje's avatar Ronald S. Bultje

vp10: fix 4:2:2 chroma MVs for 8x4/4x4 blocks.

In vp9, the bottom MV would be the average of the topright and
bottomleft luma MV (instead of the bottomleft/bottomright luma MV).

See issue 993.

Change-Id: Ic91c0b195950e7b32fc26c84c04788a09321e391
parent 43be86db
......@@ -143,11 +143,11 @@ static void build_inter_predictors_for_planes(MACROBLOCKD *xd, BLOCK_SIZE bsize,
const int bh = 4 * num_4x4_h;
if (xd->mi[0]->mbmi.sb_type < BLOCK_8X8) {
int i = 0, x, y;
int x, y;
assert(bsize == BLOCK_8X8);
for (y = 0; y < num_4x4_h; ++y)
for (x = 0; x < num_4x4_w; ++x)
build_inter_predictors(xd, plane, i++, bw, bh,
build_inter_predictors(xd, plane, y * 2 + x, bw, bh,
4 * x, 4 * y, 4, 4, mi_x, mi_y);
} else {
build_inter_predictors(xd, plane, 0, bw, bh,
......
......@@ -707,10 +707,10 @@ static void dec_build_inter_predictors_sb(VP10Decoder *const pbi,
const int is_scaled = vp10_is_scaled(sf);
if (sb_type < BLOCK_8X8) {
int i = 0, x, y;
int x, y;
for (y = 0; y < num_4x4_h; ++y) {
for (x = 0; x < num_4x4_w; ++x) {
const MV mv = average_split_mvs(pd, mi, ref, i++);
const MV mv = average_split_mvs(pd, mi, ref, y * 2 + x);
dec_build_inter_predictors(pbi, xd, plane, n4w_x4, n4h_x4,
4 * x, 4 * y, 4, 4, mi_x, mi_y, kernel,
sf, pre_buf, dst_buf, &mv,
......
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