ref: 3be9fd912086d396edb8ea0b9055f151e6ee4354
parent: 0e0a6f840b5a53a488efa40ca23e1a00611069c3
parent: 500ade243ae7295ff416f94232a0e69b7f21ea97
author: Dmitry Kovalev <[email protected]>
date: Wed Jul 31 08:03:04 EDT 2013
Merge "Removing unused "ishp" arguments."
--- a/vp9/decoder/vp9_decodemv.c
+++ b/vp9/decoder/vp9_decodemv.c
@@ -232,16 +232,16 @@
static INLINE void read_mv(vp9_reader *r, MV *mv, const MV *ref,
const nmv_context *ctx,
- nmv_context_counts *counts, int usehp) {+ nmv_context_counts *counts, int allow_hp) {const MV_JOINT_TYPE j = treed_read(r, vp9_mv_joint_tree, ctx->joints);
+ const int use_hp = allow_hp && vp9_use_mv_hp(ref);
MV diff = {0, 0};- usehp = usehp && vp9_use_mv_hp(ref);
if (mv_joint_vertical(j))
- diff.row = read_mv_component(r, &ctx->comps[0], usehp);
+ diff.row = read_mv_component(r, &ctx->comps[0], use_hp);
if (mv_joint_horizontal(j))
- diff.col = read_mv_component(r, &ctx->comps[1], usehp);
+ diff.col = read_mv_component(r, &ctx->comps[1], use_hp);
vp9_inc_mv(&diff, counts);
@@ -254,7 +254,7 @@
*p = (vp9_read_literal(r, 7) << 1) | 1;
}
-static void read_mv_probs(vp9_reader *r, nmv_context *mvc, int usehp) {+static void read_mv_probs(vp9_reader *r, nmv_context *mvc, int allow_hp) {int i, j, k;
for (j = 0; j < MV_JOINTS - 1; ++j)
@@ -285,7 +285,7 @@
update_mv(r, &comp->fp[j], VP9_NMV_UPDATE_PROB);
}
- if (usehp) {+ if (allow_hp) { for (i = 0; i < 2; ++i) {update_mv(r, &mvc->comps[i].class0_hp, VP9_NMV_UPDATE_PROB);
update_mv(r, &mvc->comps[i].hp, VP9_NMV_UPDATE_PROB);
@@ -447,6 +447,7 @@
int_mv *const mv0 = &mbmi->mv[0];
int_mv *const mv1 = &mbmi->mv[1];
const BLOCK_SIZE_TYPE bsize = mbmi->sb_type;
+ const int allow_hp = xd->allow_high_precision_mv;
int_mv nearest, nearby, best_mv;
int_mv nearest_second, nearby_second, best_mv_second;
@@ -510,11 +511,11 @@
switch (b_mode) {case NEWMV:
read_mv(r, &blockmv.as_mv, &best_mv.as_mv, nmvc,
- &cm->counts.mv, xd->allow_high_precision_mv);
+ &cm->counts.mv, allow_hp);
if (ref1 > 0)
read_mv(r, &secondmv.as_mv, &best_mv_second.as_mv, nmvc,
- &cm->counts.mv, xd->allow_high_precision_mv);
+ &cm->counts.mv, allow_hp);
break;
case NEARESTMV:
blockmv.as_int = nearest.as_int;
@@ -588,11 +589,10 @@
break;
case NEWMV:
- read_mv(r, &mv0->as_mv, &best_mv.as_mv, nmvc, &cm->counts.mv,
- xd->allow_high_precision_mv);
+ read_mv(r, &mv0->as_mv, &best_mv.as_mv, nmvc, &cm->counts.mv, allow_hp);
if (ref1 > 0)
- read_mv(r, &mv1->as_mv, &best_mv_second.as_mv, nmvc,
- &cm->counts.mv, xd->allow_high_precision_mv);
+ read_mv(r, &mv1->as_mv, &best_mv_second.as_mv, nmvc, &cm->counts.mv,
+ allow_hp);
break;
default:
assert(!"Invalid inter mode value");
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -411,6 +411,7 @@
const int segment_id = mi->segment_id;
int skip_coeff;
const BLOCK_SIZE_TYPE bsize = mi->sb_type;
+ const int allow_hp = xd->allow_high_precision_mv;
x->partition_info = x->pi + (m - pc->mi);
@@ -508,13 +509,13 @@
active_section = 11;
#endif
vp9_encode_mv(cpi, bc, &blockmv.as_mv, &mi->best_mv.as_mv,
- nmvc, xd->allow_high_precision_mv);
+ nmvc, allow_hp);
if (mi->ref_frame[1] > INTRA_FRAME)
vp9_encode_mv(cpi, bc,
&m->bmi[j].as_mv[1].as_mv,
&mi->best_second_mv.as_mv,
- nmvc, xd->allow_high_precision_mv);
+ nmvc, allow_hp);
}
}
}
@@ -522,14 +523,12 @@
#ifdef ENTROPY_STATS
active_section = 5;
#endif
- vp9_encode_mv(cpi, bc,
- &mi->mv[0].as_mv, &mi->best_mv.as_mv,
- nmvc, xd->allow_high_precision_mv);
+ vp9_encode_mv(cpi, bc, &mi->mv[0].as_mv, &mi->best_mv.as_mv,
+ nmvc, allow_hp);
if (mi->ref_frame[1] > INTRA_FRAME)
- vp9_encode_mv(cpi, bc,
- &mi->mv[1].as_mv, &mi->best_second_mv.as_mv,
- nmvc, xd->allow_high_precision_mv);
+ vp9_encode_mv(cpi, bc, &mi->mv[1].as_mv, &mi->best_second_mv.as_mv,
+ nmvc, allow_hp);
}
}
}
--- a/vp9/encoder/vp9_mcomp.c
+++ b/vp9/encoder/vp9_mcomp.c
@@ -58,7 +58,7 @@
}
int vp9_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvjcost, int *mvcost[2],
- int weight, int ishp) {+ int weight) {MV v;
v.row = mv->as_mv.row - ref->as_mv.row;
v.col = mv->as_mv.col - ref->as_mv.col;
@@ -68,7 +68,7 @@
}
static int mv_err_cost(int_mv *mv, int_mv *ref, int *mvjcost, int *mvcost[2],
- int error_per_bit, int ishp) {+ int error_per_bit) { if (mvcost) {MV v;
v.row = mv->as_mv.row - ref->as_mv.row;
@@ -300,8 +300,7 @@
// calculate central point error
besterr = vfp->vf(y, y_stride, z, src_stride, sse1);
*distortion = besterr;
- besterr += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost,
- error_per_bit, xd->allow_high_precision_mv);
+ besterr += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit);
// TODO: Each subsequent iteration checks at least one point in
// common with the last iteration could be 2 ( if diag selected)
@@ -490,8 +489,7 @@
comp_avg_pred(comp_pred, second_pred, w, h, y, y_stride);
besterr = vfp->vf(comp_pred, w, z, src_stride, sse1);
*distortion = besterr;
- besterr += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost,
- error_per_bit, xd->allow_high_precision_mv);
+ besterr += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit);
// Each subsequent iteration checks at least one point in
// common with the last iteration could be 2 ( if diag selected)
@@ -654,15 +652,14 @@
// calculate central point error
bestmse = vfp->vf(y, y_stride, z, src_stride, sse1);
*distortion = bestmse;
- bestmse += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ bestmse += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit);
// go left then right and check error
this_mv.as_mv.row = startmv.as_mv.row;
this_mv.as_mv.col = ((startmv.as_mv.col - 8) | 4);
thismse = vfp->svf_halfpix_h(y - 1, y_stride, z, src_stride, &sse);
- left = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ left = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (left < bestmse) {*bestmv = this_mv;
@@ -674,7 +671,7 @@
this_mv.as_mv.col += 8;
thismse = vfp->svf_halfpix_h(y, y_stride, z, src_stride, &sse);
right = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
- error_per_bit, xd->allow_high_precision_mv);
+ error_per_bit);
if (right < bestmse) {*bestmv = this_mv;
@@ -687,8 +684,7 @@
this_mv.as_mv.col = startmv.as_mv.col;
this_mv.as_mv.row = ((startmv.as_mv.row - 8) | 4);
thismse = vfp->svf_halfpix_v(y - y_stride, y_stride, z, src_stride, &sse);
- up = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ up = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit);
if (up < bestmse) {*bestmv = this_mv;
@@ -699,8 +695,8 @@
this_mv.as_mv.row += 8;
thismse = vfp->svf_halfpix_v(y, y_stride, z, src_stride, &sse);
- down = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ down = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (down < bestmse) {*bestmv = this_mv;
@@ -742,8 +738,8 @@
break;
}
- diag = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ diag = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (diag < bestmse) {*bestmv = this_mv;
@@ -784,8 +780,8 @@
src_stride, &sse);
}
- left = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ left = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (left < bestmse) {*bestmv = this_mv;
@@ -799,7 +795,7 @@
SP(this_mv.as_mv.col), SP(this_mv.as_mv.row),
z, src_stride, &sse);
right = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
- error_per_bit, xd->allow_high_precision_mv);
+ error_per_bit);
if (right < bestmse) {*bestmv = this_mv;
@@ -822,8 +818,7 @@
z, src_stride, &sse);
}
- up = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ up = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit);
if (up < bestmse) {*bestmv = this_mv;
@@ -835,9 +830,10 @@
this_mv.as_mv.row += 4;
thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row),
z, src_stride, &sse);
- down = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ down = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
+
if (down < bestmse) {*bestmv = this_mv;
bestmse = down;
@@ -923,8 +919,8 @@
break;
}
- diag = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ diag = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (diag < bestmse) {*bestmv = this_mv;
@@ -968,8 +964,8 @@
z, src_stride, &sse);
}
- left = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ left = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (left < bestmse) {*bestmv = this_mv;
@@ -982,7 +978,7 @@
thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row),
z, src_stride, &sse);
right = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
- error_per_bit, xd->allow_high_precision_mv);
+ error_per_bit);
if (right < bestmse) {*bestmv = this_mv;
@@ -1005,8 +1001,7 @@
SP(this_mv.as_mv.col), SP(7), z, src_stride, &sse);
}
- up = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ up = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit);
if (up < bestmse) {*bestmv = this_mv;
@@ -1019,8 +1014,8 @@
thismse = vfp->svf(y, y_stride,
SP(this_mv.as_mv.col), SP(this_mv.as_mv.row),
z, src_stride, &sse);
- down = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ down = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (down < bestmse) {*bestmv = this_mv;
@@ -1107,8 +1102,8 @@
break;
}
- diag = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ diag = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (diag < bestmse) {*bestmv = this_mv;
@@ -1153,15 +1148,14 @@
// calculate central point error
bestmse = vfp->vf(y, y_stride, z, src_stride, sse1);
*distortion = bestmse;
- bestmse += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ bestmse += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit);
// go left then right and check error
this_mv.as_mv.row = startmv.as_mv.row;
this_mv.as_mv.col = ((startmv.as_mv.col - 8) | 4);
thismse = vfp->svf_halfpix_h(y - 1, y_stride, z, src_stride, &sse);
- left = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ left = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (left < bestmse) {*bestmv = this_mv;
@@ -1173,7 +1167,7 @@
this_mv.as_mv.col += 8;
thismse = vfp->svf_halfpix_h(y, y_stride, z, src_stride, &sse);
right = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
- error_per_bit, xd->allow_high_precision_mv);
+ error_per_bit);
if (right < bestmse) {*bestmv = this_mv;
@@ -1186,8 +1180,7 @@
this_mv.as_mv.col = startmv.as_mv.col;
this_mv.as_mv.row = ((startmv.as_mv.row - 8) | 4);
thismse = vfp->svf_halfpix_v(y - y_stride, y_stride, z, src_stride, &sse);
- up = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ up = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit);
if (up < bestmse) {*bestmv = this_mv;
@@ -1198,8 +1191,8 @@
this_mv.as_mv.row += 8;
thismse = vfp->svf_halfpix_v(y, y_stride, z, src_stride, &sse);
- down = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ down = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (down < bestmse) {*bestmv = this_mv;
@@ -1238,8 +1231,8 @@
break;
}
- diag = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit,
- xd->allow_high_precision_mv);
+ diag = thismse + mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost,
+ error_per_bit);
if (diag < bestmse) {*bestmv = this_mv;
@@ -1580,11 +1573,9 @@
if (bestsad == INT_MAX)
return INT_MAX;
- return
- fn_ptr->vf(what, what_stride, best_address, in_what_stride,
- (unsigned int *)(&thissad)) +
- mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit,
- xd->allow_high_precision_mv);
+ return fn_ptr->vf(what, what_stride, best_address, in_what_stride,
+ (unsigned int *)(&thissad)) + mv_err_cost(&this_mv, center_mv, mvjcost,
+ mvcost, x->errorperbit);
}
int vp9_diamond_search_sadx4(MACROBLOCK *x,
@@ -1754,11 +1745,9 @@
if (bestsad == INT_MAX)
return INT_MAX;
- return
- fn_ptr->vf(what, what_stride, best_address, in_what_stride,
- (unsigned int *)(&thissad)) +
- mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit,
- xd->allow_high_precision_mv);
+ return fn_ptr->vf(what, what_stride, best_address, in_what_stride,
+ (unsigned int *)(&thissad)) + mv_err_cost(&this_mv,
+ center_mv, mvjcost, mvcost, x->errorperbit);
}
/* do_refine: If last step (1-away) of n-step search doesn't pick the center
@@ -1914,8 +1903,7 @@
return
fn_ptr->vf(what, what_stride, bestaddress, in_what_stride,
(unsigned int *)(&thissad)) +
- mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit,
- xd->allow_high_precision_mv);
+ mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit);
else
return INT_MAX;
}
@@ -2042,8 +2030,7 @@
return
fn_ptr->vf(what, what_stride, bestaddress, in_what_stride,
(unsigned int *)(&thissad)) +
- mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit,
- xd->allow_high_precision_mv);
+ mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit);
else
return INT_MAX;
}
@@ -2197,8 +2184,7 @@
return
fn_ptr->vf(what, what_stride, bestaddress, in_what_stride,
(unsigned int *)(&thissad)) +
- mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit,
- xd->allow_high_precision_mv);
+ mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit);
else
return INT_MAX;
}
@@ -2274,8 +2260,7 @@
return
fn_ptr->vf(what, what_stride, best_address, in_what_stride,
(unsigned int *)(&thissad)) +
- mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit,
- xd->allow_high_precision_mv);
+ mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit);
else
return INT_MAX;
}
@@ -2381,8 +2366,7 @@
return
fn_ptr->vf(what, what_stride, best_address, in_what_stride,
(unsigned int *)(&thissad)) +
- mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit,
- xd->allow_high_precision_mv);
+ mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit);
else
return INT_MAX;
}
@@ -2472,12 +2456,10 @@
if (bestsad < INT_MAX) {// FIXME(rbultje, yunqing): add full-pixel averaging variance functions
// so we don't have to use the subpixel with xoff=0,yoff=0 here.
- int besterr = fn_ptr->svaf(best_address, in_what_stride, 0, 0,
+ return fn_ptr->svaf(best_address, in_what_stride, 0, 0,
what, what_stride, (unsigned int *)(&thissad),
second_pred) +
- mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit,
- xd->allow_high_precision_mv);
- return besterr;
+ mv_err_cost(&this_mv, center_mv, mvjcost, mvcost, x->errorperbit);
} else {return INT_MAX;
}
--- a/vp9/encoder/vp9_mcomp.h
+++ b/vp9/encoder/vp9_mcomp.h
@@ -25,7 +25,7 @@
void vp9_clamp_mv_min_max(MACROBLOCK *x, int_mv *ref_mv);
int vp9_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvjcost,
- int *mvcost[2], int weight, int ishp);
+ int *mvcost[2], int weight);
void vp9_init_dsmotion_compensation(MACROBLOCK *x, int stride);
void vp9_init3smotion_compensation(MACROBLOCK *x, int stride);
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -1613,12 +1613,11 @@
case NEWMV:
this_mv->as_int = seg_mvs[mbmi->ref_frame[0]].as_int;
thismvcost = vp9_mv_bit_cost(this_mv, best_ref_mv, mvjcost, mvcost,
- 102, xd->allow_high_precision_mv);
+ 102);
if (mbmi->ref_frame[1] > 0) {this_second_mv->as_int = seg_mvs[mbmi->ref_frame[1]].as_int;
thismvcost += vp9_mv_bit_cost(this_second_mv, second_best_ref_mv,
- mvjcost, mvcost, 102,
- xd->allow_high_precision_mv);
+ mvjcost, mvcost, 102);
}
break;
case NEARESTMV:
@@ -2565,7 +2564,7 @@
}
*rate_mv = vp9_mv_bit_cost(tmp_mv, &ref_mv,
x->nmvjointcost, x->mvcost,
- 96, xd->allow_high_precision_mv);
+ 96);
if (scaled_ref_frame) {int i;
for (i = 0; i < MAX_MB_PLANE; i++)
@@ -2720,12 +2719,10 @@
}
*rate_mv = vp9_mv_bit_cost(&frame_mv[refs[0]],
&mbmi->ref_mvs[refs[0]][0],
- x->nmvjointcost, x->mvcost, 96,
- x->e_mbd.allow_high_precision_mv);
+ x->nmvjointcost, x->mvcost, 96);
*rate_mv += vp9_mv_bit_cost(&frame_mv[refs[1]],
&mbmi->ref_mvs[refs[1]][0],
- x->nmvjointcost, x->mvcost, 96,
- x->e_mbd.allow_high_precision_mv);
+ x->nmvjointcost, x->mvcost, 96);
vpx_free(second_pred);
}
@@ -2778,12 +2775,10 @@
} else {rate_mv = vp9_mv_bit_cost(&frame_mv[refs[0]],
&mbmi->ref_mvs[refs[0]][0],
- x->nmvjointcost, x->mvcost, 96,
- x->e_mbd.allow_high_precision_mv);
+ x->nmvjointcost, x->mvcost, 96);
rate_mv += vp9_mv_bit_cost(&frame_mv[refs[1]],
&mbmi->ref_mvs[refs[1]][0],
- x->nmvjointcost, x->mvcost, 96,
- x->e_mbd.allow_high_precision_mv);
+ x->nmvjointcost, x->mvcost, 96);
}
if (frame_mv[refs[0]].as_int == INVALID_MV ||
frame_mv[refs[1]].as_int == INVALID_MV)