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Xiph.Org
aom-rav1e
Commits
f0e0d01e
Commit
f0e0d01e
authored
Jul 07, 2014
by
Alex Converse
Committed by
Gerrit Code Review
Jul 07, 2014
Browse files
Merge "Allow lossless skipping in RD mode decision."
parents
8341fa8c
0256a759
Changes
1
Hide whitespace changes
Inline
Side-by-side
vp9/encoder/vp9_rdopt.c
View file @
f0e0d01e
...
...
@@ -2238,39 +2238,43 @@ static int64_t handle_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
*
rate2
+=
vp9_get_switchable_rate
(
cpi
);
if
(
!
is_comp_pred
)
{
if
(
cpi
->
allow_encode_breakout
&&
x
->
encode_breakout
)
{
if
(
cpi
->
allow_encode_breakout
)
{
const
BLOCK_SIZE
y_size
=
get_plane_block_size
(
bsize
,
&
xd
->
plane
[
0
]);
const
BLOCK_SIZE
uv_size
=
get_plane_block_size
(
bsize
,
&
xd
->
plane
[
1
]);
unsigned
int
var
,
sse
;
// Skipping threshold for ac.
unsigned
int
thresh_ac
;
// Set a maximum for threshold to avoid big PSNR loss in low bitrate case.
// Use extreme low threshold for static frames to limit skipping.
const
unsigned
int
max_thresh
=
(
cpi
->
allow_encode_breakout
==
ENCODE_BREAKOUT_LIMITED
)
?
128
:
36000
;
// The encode_breakout input
const
unsigned
int
min_thresh
=
MIN
(((
unsigned
int
)
x
->
encode_breakout
<<
4
),
max_thresh
);
// Calculate threshold according to dequant value.
thresh_ac
=
(
xd
->
plane
[
0
].
dequant
[
1
]
*
xd
->
plane
[
0
].
dequant
[
1
])
/
9
;
thresh_ac
=
clamp
(
thresh_ac
,
min_thresh
,
max_thresh
);
// Skipping threshold for dc
unsigned
int
thresh_dc
;
var
=
cpi
->
fn_ptr
[
y_size
].
vf
(
x
->
plane
[
0
].
src
.
buf
,
x
->
plane
[
0
].
src
.
stride
,
xd
->
plane
[
0
].
dst
.
buf
,
xd
->
plane
[
0
].
dst
.
stride
,
&
sse
);
// Adjust threshold according to partition size.
thresh_ac
>>=
8
-
(
b_width_log2_lookup
[
bsize
]
+
b_height_log2_lookup
[
bsize
]);
if
(
x
->
encode_breakout
>
0
)
{
// Set a maximum for threshold to avoid big PSNR loss in low bitrate
// case. Use extreme low threshold for static frames to limit skipping.
const
unsigned
int
max_thresh
=
(
cpi
->
allow_encode_breakout
==
ENCODE_BREAKOUT_LIMITED
)
?
128
:
36000
;
// The encode_breakout input
const
unsigned
int
min_thresh
=
MIN
(((
unsigned
int
)
x
->
encode_breakout
<<
4
),
max_thresh
);
// Calculate threshold according to dequant value.
thresh_ac
=
(
xd
->
plane
[
0
].
dequant
[
1
]
*
xd
->
plane
[
0
].
dequant
[
1
])
/
9
;
thresh_ac
=
clamp
(
thresh_ac
,
min_thresh
,
max_thresh
);
// Adjust threshold according to partition size.
thresh_ac
>>=
8
-
(
b_width_log2_lookup
[
bsize
]
+
b_height_log2_lookup
[
bsize
]);
thresh_dc
=
(
xd
->
plane
[
0
].
dequant
[
0
]
*
xd
->
plane
[
0
].
dequant
[
0
]
>>
6
);
}
else
{
thresh_ac
=
0
;
thresh_dc
=
0
;
}
// Y skipping condition checking
if
(
sse
<
thresh_ac
||
sse
==
0
)
{
// Skipping threshold for dc
unsigned
int
thresh_dc
;
thresh_dc
=
(
xd
->
plane
[
0
].
dequant
[
0
]
*
xd
->
plane
[
0
].
dequant
[
0
]
>>
6
);
// dc skipping checking
if
((
sse
-
var
)
<
thresh_dc
||
sse
==
var
)
{
unsigned
int
sse_u
,
sse_v
;
...
...
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