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Diffstat (limited to 'vp9/encoder/vp9_encodeframe.c')
-rw-r--r--vp9/encoder/vp9_encodeframe.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c
index 67069e7c1..e3570504e 100644
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -747,6 +747,8 @@ static int choose_partitioning(VP9_COMP *cpi,
const uint8_t *d;
int sp;
int dp;
+ // Ref frame used in partitioning.
+ MV_REFERENCE_FRAME ref_frame_partition = LAST_FRAME;
int pixels_wide = 64, pixels_high = 64;
int64_t thresholds[4] = {cpi->vbp_thresholds[0], cpi->vbp_thresholds[1],
cpi->vbp_thresholds[2], cpi->vbp_thresholds[3]};
@@ -771,6 +773,10 @@ static int choose_partitioning(VP9_COMP *cpi,
}
}
+ for (i = 0; i < 9; i++) {
+ x->variance_low[i] = 0;
+ }
+
if (xd->mb_to_right_edge < 0)
pixels_wide += (xd->mb_to_right_edge >> 3);
if (xd->mb_to_bottom_edge < 0)
@@ -831,8 +837,10 @@ static int choose_partitioning(VP9_COMP *cpi,
mi->ref_frame[0] = GOLDEN_FRAME;
mi->mv[0].as_int = 0;
y_sad = y_sad_g;
+ ref_frame_partition = GOLDEN_FRAME;
} else {
x->pred_mv[LAST_FRAME] = mi->mv[0].as_mv;
+ ref_frame_partition = LAST_FRAME;
}
set_ref_ptrs(cm, xd, mi->ref_frame[0], mi->ref_frame[1]);
@@ -1073,6 +1081,34 @@ static int choose_partitioning(VP9_COMP *cpi,
}
}
}
+
+ if (cpi->sf.short_circuit_low_temp_var) {
+ // Set low variance flag, only for blocks >= 32x32 and if LAST_FRAME was
+ // selected.
+ if (ref_frame_partition == LAST_FRAME) {
+ if (xd->mi[0]->sb_type == BLOCK_64X64 &&
+ vt.part_variances.none.variance < (thresholds[0] >> 1)) {
+ x->variance_low[0] = 1;
+ } else if (xd->mi[0]->sb_type == BLOCK_64X32) {
+ if (vt.part_variances.horz[0].variance < (thresholds[0] >> 2))
+ x->variance_low[1] = 1;
+ if (vt.part_variances.horz[1].variance < (thresholds[0] >> 2))
+ x->variance_low[2] = 1;
+ } else if (xd->mi[0]->sb_type == BLOCK_32X64) {
+ if (vt.part_variances.vert[0].variance < (thresholds[0] >> 2))
+ x->variance_low[3] = 1;
+ if (vt.part_variances.vert[1].variance < (thresholds[0] >> 2))
+ x->variance_low[4] = 1;
+ } else {
+ // 32x32
+ for (i = 0; i < 4; i++) {
+ if (!force_split[i + 1] &&
+ vt.split[i].part_variances.none.variance < (thresholds[1] >> 1))
+ x->variance_low[i + 5] = 1;
+ }
+ }
+ }
+ }
return 0;
}