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Xiph.Org
aom-rav1e
Commits
e350e3fe
Commit
e350e3fe
authored
Oct 01, 2014
by
Yunqing Wang
Committed by
Gerrit Code Review
Oct 01, 2014
Browse files
Merge "Modify block transform skipping check"
parents
28a1ee86
e4aac6bb
Changes
2
Hide whitespace changes
Inline
Side-by-side
vp9/encoder/vp9_quantize.c
View file @
e350e3fe
...
...
@@ -641,13 +641,14 @@ void vp9_init_plane_quantizers(VP9_COMP *cpi, MACROBLOCK *x) {
x
->
plane
[
0
].
quant_shift
=
quants
->
y_quant_shift
[
qindex
];
x
->
plane
[
0
].
zbin
=
quants
->
y_zbin
[
qindex
];
x
->
plane
[
0
].
round
=
quants
->
y_round
[
qindex
];
x
->
plane
[
0
].
quant_thred
[
0
]
=
cm
->
y_dequant
[
qindex
][
0
]
*
cm
->
y_dequant
[
qindex
][
0
];
x
->
plane
[
0
].
quant_thred
[
1
]
=
cm
->
y_dequant
[
qindex
][
1
]
*
cm
->
y_dequant
[
qindex
][
1
];
x
->
plane
[
0
].
zbin_extra
=
(
int16_t
)((
cm
->
y_dequant
[
qindex
][
1
]
*
zbin
)
>>
7
);
xd
->
plane
[
0
].
dequant
=
cm
->
y_dequant
[
qindex
];
x
->
plane
[
0
].
quant_thred
[
0
]
=
(
x
->
plane
[
0
].
zbin
[
0
]
+
x
->
plane
[
0
].
zbin_extra
)
*
(
x
->
plane
[
0
].
zbin
[
0
]
+
x
->
plane
[
0
].
zbin_extra
);
x
->
plane
[
0
].
quant_thred
[
1
]
=
(
x
->
plane
[
0
].
zbin
[
1
]
+
x
->
plane
[
0
].
zbin_extra
)
*
(
x
->
plane
[
0
].
zbin
[
1
]
+
x
->
plane
[
0
].
zbin_extra
);
// UV
for
(
i
=
1
;
i
<
3
;
i
++
)
{
x
->
plane
[
i
].
quant
=
quants
->
uv_quant
[
qindex
];
...
...
@@ -656,12 +657,15 @@ void vp9_init_plane_quantizers(VP9_COMP *cpi, MACROBLOCK *x) {
x
->
plane
[
i
].
quant_shift
=
quants
->
uv_quant_shift
[
qindex
];
x
->
plane
[
i
].
zbin
=
quants
->
uv_zbin
[
qindex
];
x
->
plane
[
i
].
round
=
quants
->
uv_round
[
qindex
];
x
->
plane
[
i
].
quant_thred
[
0
]
=
cm
->
y_dequant
[
qindex
][
0
]
*
cm
->
y_dequant
[
qindex
][
0
];
x
->
plane
[
i
].
quant_thred
[
1
]
=
cm
->
y_dequant
[
qindex
][
1
]
*
cm
->
y_dequant
[
qindex
][
1
];
x
->
plane
[
i
].
zbin_extra
=
(
int16_t
)((
cm
->
uv_dequant
[
qindex
][
1
]
*
zbin
)
>>
7
);
xd
->
plane
[
i
].
dequant
=
cm
->
uv_dequant
[
qindex
];
x
->
plane
[
i
].
quant_thred
[
0
]
=
(
x
->
plane
[
i
].
zbin
[
0
]
+
x
->
plane
[
i
].
zbin_extra
)
*
(
x
->
plane
[
i
].
zbin
[
0
]
+
x
->
plane
[
i
].
zbin_extra
);
x
->
plane
[
i
].
quant_thred
[
1
]
=
(
x
->
plane
[
i
].
zbin
[
1
]
+
x
->
plane
[
i
].
zbin_extra
)
*
(
x
->
plane
[
i
].
zbin
[
1
]
+
x
->
plane
[
i
].
zbin_extra
);
}
x
->
skip_block
=
vp9_segfeature_active
(
&
cm
->
seg
,
segment_id
,
SEG_LVL_SKIP
);
...
...
vp9/encoder/vp9_rdopt.c
View file @
e350e3fe
...
...
@@ -180,7 +180,7 @@ static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize,
unsigned
int
sse
;
unsigned
int
var
=
0
;
unsigned
int
sum_sse
=
0
;
const
int
shift
=
8
;
const
int
shift
=
6
;
int
rate
;
int64_t
dist
;
...
...
@@ -212,12 +212,16 @@ static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize,
sum_sse
+=
sse
;
if
(
!
x
->
select_tx_size
)
{
if
(
x
->
bsse
[(
i
<<
2
)
+
block_idx
]
<
p
->
quant_thred
[
0
]
>>
shift
)
x
->
skip_txfm
[(
i
<<
2
)
+
block_idx
]
=
1
;
else
if
(
var
<
p
->
quant_thred
[
1
]
>>
shift
)
// Check if all ac coefficients can be quantized to zero.
if
(
var
<
p
->
quant_thred
[
1
]
>>
shift
)
{
x
->
skip_txfm
[(
i
<<
2
)
+
block_idx
]
=
2
;
else
// Check if dc coefficient can be quantized to zero.
if
(
sse
-
var
<
p
->
quant_thred
[
0
]
>>
shift
)
x
->
skip_txfm
[(
i
<<
2
)
+
block_idx
]
=
1
;
}
else
{
x
->
skip_txfm
[(
i
<<
2
)
+
block_idx
]
=
0
;
}
}
if
(
i
==
0
)
...
...
@@ -484,9 +488,15 @@ static void block_rd_txfm(int plane, int block, BLOCK_SIZE plane_bsize,
vp9_xform_quant_dc
(
x
,
plane
,
block
,
plane_bsize
,
tx_size
);
args
->
sse
=
x
->
bsse
[(
plane
<<
2
)
+
(
block
>>
(
tx_size
<<
1
))]
<<
4
;
args
->
dist
=
args
->
sse
;
if
(
!
x
->
plane
[
plane
].
eobs
[
block
])
args
->
dist
=
args
->
sse
-
((
coeff
[
0
]
*
coeff
[
0
]
-
(
coeff
[
0
]
-
dqcoeff
[
0
])
*
(
coeff
[
0
]
-
dqcoeff
[
0
]))
>>
2
);
if
(
x
->
plane
[
plane
].
eobs
[
block
])
{
int64_t
dc_correct
=
coeff
[
0
]
*
coeff
[
0
]
-
(
coeff
[
0
]
-
dqcoeff
[
0
])
*
(
coeff
[
0
]
-
dqcoeff
[
0
]);
if
(
tx_size
!=
TX_32X32
)
dc_correct
>>=
2
;
args
->
dist
=
args
->
sse
-
dc_correct
;
}
}
else
{
// skip forward transform
x
->
plane
[
plane
].
eobs
[
block
]
=
0
;
...
...
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