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Use only the first predictors of compound neighbors in OBMC 

Loss of gain in AWCY
HL 0.23%
LL 0 (since no compound is used in LL)
lowres 0.277%
midres 0.248%

Change-Id: I46ad1e2f07411c838f2ca6765de57a60a9c68b12
This commit is contained in:
Yue Chen 2017-03-03 11:49:17 +08:00
Родитель 13e412ebda
Коммит 54723f97e2
1 изменённых файлов: 3 добавлений и 14 удалений
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17
av1/common/reconinter.c
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@ -1793,8 +1793,8 @@ void av1_build_obmc_inter_prediction(const AV1_COMMON *cm, MACROBLOCKD *xd,
}
}
#if CONFIG_EXT_INTER
void modify_neighbor_predictor_for_obmc(MB_MODE_INFO *mbmi) {
#if CONFIG_EXT_INTER
if (is_interintra_pred(mbmi)) {
mbmi->ref_frame[1] = NONE_FRAME;
} else if (has_second_ref(mbmi) &&
@ -1802,9 +1802,10 @@ void modify_neighbor_predictor_for_obmc(MB_MODE_INFO *mbmi) {
mbmi->interinter_compound_data.type = COMPOUND_AVERAGE;
mbmi->ref_frame[1] = NONE_FRAME;
}
#endif // CONFIG_EXT_INTER
if (has_second_ref(mbmi)) mbmi->ref_frame[1] = NONE_FRAME;
return;
}
#endif // CONFIG_EXT_INTER
void av1_build_prediction_by_above_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
int mi_row, int mi_col,
@ -1830,9 +1831,7 @@ void av1_build_prediction_by_above_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
MODE_INFO *above_mi = xd->mi[mi_col_offset + mi_row_offset * xd->mi_stride];
MB_MODE_INFO *above_mbmi = &above_mi->mbmi;
const BLOCK_SIZE a_bsize = above_mbmi->sb_type;
#if CONFIG_EXT_INTER
MB_MODE_INFO backup_mbmi;
#endif // CONFIG_EXT_INTER
mi_step = AOMMIN(xd->n8_w, mi_size_wide[a_bsize]);
@ -1841,10 +1840,8 @@ void av1_build_prediction_by_above_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
neighbor_count++;
if (neighbor_count > neighbor_limit) break;
#if CONFIG_EXT_INTER
backup_mbmi = *above_mbmi;
modify_neighbor_predictor_for_obmc(above_mbmi);
#endif // CONFIG_EXT_INTER
for (j = 0; j < MAX_MB_PLANE; ++j) {
struct macroblockd_plane *const pd = &xd->plane[j];
@ -1907,9 +1904,7 @@ void av1_build_prediction_by_above_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
}
#endif // CONFIG_WARPED_MOTION
}
#if CONFIG_EXT_INTER
*above_mbmi = backup_mbmi;
#endif // CONFIG_EXT_INTER
}
xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
xd->mb_to_right_edge = mb_to_right_edge_base;
@ -1940,9 +1935,7 @@ void av1_build_prediction_by_left_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
MODE_INFO *left_mi = xd->mi[mi_col_offset + mi_row_offset * xd->mi_stride];
MB_MODE_INFO *left_mbmi = &left_mi->mbmi;
const BLOCK_SIZE l_bsize = left_mbmi->sb_type;
#if CONFIG_EXT_INTER
MB_MODE_INFO backup_mbmi;
#endif // CONFIG_EXT_INTER
mi_step = AOMMIN(xd->n8_h, mi_size_high[l_bsize]);
@ -1951,10 +1944,8 @@ void av1_build_prediction_by_left_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
neighbor_count++;
if (neighbor_count > neighbor_limit) break;
#if CONFIG_EXT_INTER
backup_mbmi = *left_mbmi;
modify_neighbor_predictor_for_obmc(left_mbmi);
#endif // CONFIG_EXT_INTER
for (j = 0; j < MAX_MB_PLANE; ++j) {
struct macroblockd_plane *const pd = &xd->plane[j];
@ -2017,9 +2008,7 @@ void av1_build_prediction_by_left_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
}
#endif // CONFIG_WARPED_MOTION
}
#if CONFIG_EXT_INTER
*left_mbmi = backup_mbmi;
#endif // CONFIG_EXT_INTER
}
xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
xd->mb_to_bottom_edge = mb_to_bottom_edge_base;