Commit 0f4de157 authored by Yunqing Wang's avatar Yunqing Wang
Browse files

Skip finding best ref_mvs when the mode is ZEROMV

Read mode before calling vp9_find_best_ref_mvs(). If the mode is
ZEROMV, the best ref_mvs are not needed. Then, we can skip calling
vp9_find_best_ref_mvs().

Change-Id: I5baa3658dd3f1c7107211cbbbcf919b4584be2e2
parent 89ac94f8
......@@ -797,16 +797,34 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
ref_frame, mbmi->ref_mvs[ref_frame],
cm->ref_frame_sign_bias);
vp9_find_best_ref_mvs(xd,
xd->pre.y_buffer,
recon_y_stride,
mbmi->ref_mvs[ref_frame],
&nearest, &nearby);
vp9_mv_ref_probs(&pbi->common, mv_ref_p,
mbmi->mb_mode_context[ref_frame]);
best_mv = mbmi->ref_mvs[ref_frame][0];
// Is the segment level mode feature enabled for this segment
if (vp9_segfeature_active(xd, mbmi->segment_id, SEG_LVL_MODE)) {
mbmi->mode =
vp9_get_segdata(xd, mbmi->segment_id, SEG_LVL_MODE);
} else {
#if CONFIG_SUPERBLOCKS
if (mbmi->encoded_as_sb)
mbmi->mode = read_sb_mv_ref(bc, mv_ref_p);
else
#endif
mbmi->mode = read_mv_ref(bc, mv_ref_p);
vp9_accum_mv_refs(&pbi->common, mbmi->mode,
mbmi->mb_mode_context[ref_frame]);
}
if (mbmi->mode != ZEROMV) {
vp9_find_best_ref_mvs(xd,
xd->pre.y_buffer,
recon_y_stride,
mbmi->ref_mvs[ref_frame],
&nearest, &nearby);
best_mv.as_int = (mbmi->ref_mvs[ref_frame][0]).as_int;
}
#ifdef DEC_DEBUG
if (dec_debug)
......@@ -816,21 +834,6 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
#endif
}
// Is the segment level mode feature enabled for this segment
if (vp9_segfeature_active(xd, mbmi->segment_id, SEG_LVL_MODE)) {
mbmi->mode =
vp9_get_segdata(xd, mbmi->segment_id, SEG_LVL_MODE);
} else {
#if CONFIG_SUPERBLOCKS
if (mbmi->encoded_as_sb) {
mbmi->mode = read_sb_mv_ref(bc, mv_ref_p);
} else
#endif
mbmi->mode = read_mv_ref(bc, mv_ref_p);
vp9_accum_mv_refs(&pbi->common, mbmi->mode,
mbmi->mb_mode_context[ref_frame]);
}
#if CONFIG_PRED_FILTER
if (mbmi->mode >= NEARESTMV && mbmi->mode < SPLITMV) {
......@@ -889,13 +892,15 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
mbmi->ref_mvs[mbmi->second_ref_frame],
cm->ref_frame_sign_bias);
vp9_find_best_ref_mvs(xd,
xd->second_pre.y_buffer,
recon_y_stride,
mbmi->ref_mvs[mbmi->second_ref_frame],
&nearest_second,
&nearby_second);
best_mv_second = mbmi->ref_mvs[mbmi->second_ref_frame][0];
if (mbmi->mode != ZEROMV) {
vp9_find_best_ref_mvs(xd,
xd->second_pre.y_buffer,
recon_y_stride,
mbmi->ref_mvs[mbmi->second_ref_frame],
&nearest_second,
&nearby_second);
best_mv_second = mbmi->ref_mvs[mbmi->second_ref_frame][0];
}
}
} else {
......
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