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Merge "Fix non-4:2:0 chroma MV calculation for SPLITMV" into experimental

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John Koleszar 2013-05-10 16:57:03 -07:00 committed by Gerrit Code Review
commit 998b540fe2
1 changed files with 16 additions and 16 deletions
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32
vp9/common/vp9_reconinter.c
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@ -257,22 +257,19 @@ static INLINE int round_mv_comp_q4(int value) {
return (value < 0 ? value - 2 : value + 2) / 4;
}
#define IDX1 2
#define IDX2 3
static int mi_mv_pred_row_q4(MACROBLOCKD *mb, int off, int idx) {
const int temp = mb->mode_info_context->bmi[off + 0].as_mv[idx].as_mv.row +
mb->mode_info_context->bmi[off + 1].as_mv[idx].as_mv.row +
mb->mode_info_context->bmi[off + IDX1].as_mv[idx].as_mv.row +
mb->mode_info_context->bmi[off + IDX2].as_mv[idx].as_mv.row;
static int mi_mv_pred_row_q4(MACROBLOCKD *mb, int idx) {
const int temp = mb->mode_info_context->bmi[0].as_mv[idx].as_mv.row +
mb->mode_info_context->bmi[1].as_mv[idx].as_mv.row +
mb->mode_info_context->bmi[2].as_mv[idx].as_mv.row +
mb->mode_info_context->bmi[3].as_mv[idx].as_mv.row;
return round_mv_comp_q4(temp);
}
static int mi_mv_pred_col_q4(MACROBLOCKD *mb, int off, int idx) {
const int temp = mb->mode_info_context->bmi[off + 0].as_mv[idx].as_mv.col +
mb->mode_info_context->bmi[off + 1].as_mv[idx].as_mv.col +
mb->mode_info_context->bmi[off + IDX1].as_mv[idx].as_mv.col +
mb->mode_info_context->bmi[off + IDX2].as_mv[idx].as_mv.col;
static int mi_mv_pred_col_q4(MACROBLOCKD *mb, int idx) {
const int temp = mb->mode_info_context->bmi[0].as_mv[idx].as_mv.col +
mb->mode_info_context->bmi[1].as_mv[idx].as_mv.col +
mb->mode_info_context->bmi[2].as_mv[idx].as_mv.col +
mb->mode_info_context->bmi[3].as_mv[idx].as_mv.col;
return round_mv_comp_q4(temp);
}
@ -351,9 +348,12 @@ static void build_inter_predictors(int plane, int block,
if (plane == 0) {
mv = &xd->mode_info_context->bmi[block].as_mv[which_mv].as_mv;
} else {
const int y_block = (block & 2) * 4 + (block & 1) * 2;
split_chroma_mv.row = mi_mv_pred_row_q4(xd, y_block, which_mv);
split_chroma_mv.col = mi_mv_pred_col_q4(xd, y_block, which_mv);
// TODO(jkoleszar): All chroma MVs in SPLITMV mode are taken as the
// same MV (the average of the 4 luma MVs) but we could do something
// smarter for non-4:2:0. Just punt for now, pending the changes to get
// rid of SPLITMV mode entirely.
split_chroma_mv.row = mi_mv_pred_row_q4(xd, which_mv);
split_chroma_mv.col = mi_mv_pred_col_q4(xd, which_mv);
mv = &split_chroma_mv;
}
} else {