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Xiph.Org
aom-rav1e
Commits
66c41f99
Commit
66c41f99
authored
Sep 09, 2016
by
Yaowu Xu
Committed by
Gerrit Code Review
Sep 09, 2016
Browse files
Options
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Plain Diff
Merge "Clarify valid value ranges" into nextgenv2
parents
34ddb7ab
6feda060
Changes
1
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Showing
1 changed file
with
30 additions
and
3 deletions
+30
-3
aom_dsp/x86/variance_sse2.c
aom_dsp/x86/variance_sse2.c
+30
-3
No files found.
aom_dsp/x86/variance_sse2.c
View file @
66c41f99
...
...
@@ -9,6 +9,7 @@
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <assert.h>
#include <emmintrin.h> // SSE2
#include "./aom_config.h"
...
...
@@ -166,11 +167,13 @@ static void variance_sse2(const unsigned char *src, int src_stride,
}
}
unsigned
int
aom_variance4x4_sse2
(
const
u
nsigned
char
*
src
,
int
src_stride
,
const
u
nsigned
char
*
ref
,
int
ref_stride
,
unsigned
int
aom_variance4x4_sse2
(
const
u
int8_t
*
src
,
int
src_stride
,
const
u
int8_t
*
ref
,
int
ref_stride
,
unsigned
int
*
sse
)
{
int
sum
;
get4x4var_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
sse
,
&
sum
);
assert
(
sum
<=
255
*
4
*
4
);
assert
(
sum
>=
-
255
*
4
*
4
);
return
*
sse
-
((
sum
*
sum
)
>>
4
);
}
...
...
@@ -180,6 +183,8 @@ unsigned int aom_variance8x4_sse2(const uint8_t *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
8
,
4
,
sse
,
&
sum
,
get4x4var_sse2
,
4
);
assert
(
sum
<=
255
*
8
*
4
);
assert
(
sum
>=
-
255
*
8
*
4
);
return
*
sse
-
((
sum
*
sum
)
>>
5
);
}
...
...
@@ -189,6 +194,8 @@ unsigned int aom_variance4x8_sse2(const uint8_t *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
4
,
8
,
sse
,
&
sum
,
get4x4var_sse2
,
4
);
assert
(
sum
<=
255
*
8
*
4
);
assert
(
sum
>=
-
255
*
8
*
4
);
return
*
sse
-
((
sum
*
sum
)
>>
5
);
}
...
...
@@ -197,6 +204,8 @@ unsigned int aom_variance8x8_sse2(const unsigned char *src, int src_stride,
unsigned
int
*
sse
)
{
int
sum
;
aom_get8x8var_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
sse
,
&
sum
);
assert
(
sum
<=
255
*
8
*
8
);
assert
(
sum
>=
-
255
*
8
*
8
);
return
*
sse
-
((
sum
*
sum
)
>>
6
);
}
...
...
@@ -206,6 +215,8 @@ unsigned int aom_variance16x8_sse2(const unsigned char *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
16
,
8
,
sse
,
&
sum
,
aom_get8x8var_sse2
,
8
);
assert
(
sum
<=
255
*
16
*
8
);
assert
(
sum
>=
-
255
*
16
*
8
);
return
*
sse
-
((
sum
*
sum
)
>>
7
);
}
...
...
@@ -215,6 +226,8 @@ unsigned int aom_variance8x16_sse2(const unsigned char *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
8
,
16
,
sse
,
&
sum
,
aom_get8x8var_sse2
,
8
);
assert
(
sum
<=
255
*
16
*
8
);
assert
(
sum
>=
-
255
*
16
*
8
);
return
*
sse
-
((
sum
*
sum
)
>>
7
);
}
...
...
@@ -223,7 +236,9 @@ unsigned int aom_variance16x16_sse2(const unsigned char *src, int src_stride,
unsigned
int
*
sse
)
{
int
sum
;
aom_get16x16var_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
sse
,
&
sum
);
return
*
sse
-
(((
uint32_t
)((
int64_t
)
sum
*
sum
))
>>
8
);
assert
(
sum
<=
255
*
16
*
16
);
assert
(
sum
>=
-
255
*
16
*
16
);
return
*
sse
-
((
uint32_t
)((
int64_t
)
sum
*
sum
)
>>
8
);
}
unsigned
int
aom_variance32x32_sse2
(
const
uint8_t
*
src
,
int
src_stride
,
...
...
@@ -232,6 +247,8 @@ unsigned int aom_variance32x32_sse2(const uint8_t *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
32
,
32
,
sse
,
&
sum
,
aom_get16x16var_sse2
,
16
);
assert
(
sum
<=
255
*
32
*
32
);
assert
(
sum
>=
-
255
*
32
*
32
);
return
*
sse
-
(((
int64_t
)
sum
*
sum
)
>>
10
);
}
...
...
@@ -241,6 +258,8 @@ unsigned int aom_variance32x16_sse2(const uint8_t *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
32
,
16
,
sse
,
&
sum
,
aom_get16x16var_sse2
,
16
);
assert
(
sum
<=
255
*
32
*
16
);
assert
(
sum
>=
-
255
*
32
*
16
);
return
*
sse
-
(((
int64_t
)
sum
*
sum
)
>>
9
);
}
...
...
@@ -250,6 +269,8 @@ unsigned int aom_variance16x32_sse2(const uint8_t *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
16
,
32
,
sse
,
&
sum
,
aom_get16x16var_sse2
,
16
);
assert
(
sum
<=
255
*
32
*
16
);
assert
(
sum
>=
-
255
*
32
*
16
);
return
*
sse
-
(((
int64_t
)
sum
*
sum
)
>>
9
);
}
...
...
@@ -259,6 +280,8 @@ unsigned int aom_variance64x64_sse2(const uint8_t *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
64
,
64
,
sse
,
&
sum
,
aom_get16x16var_sse2
,
16
);
assert
(
sum
<=
255
*
64
*
64
);
assert
(
sum
>=
-
255
*
64
*
64
);
return
*
sse
-
(((
int64_t
)
sum
*
sum
)
>>
12
);
}
...
...
@@ -268,6 +291,8 @@ unsigned int aom_variance64x32_sse2(const uint8_t *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
64
,
32
,
sse
,
&
sum
,
aom_get16x16var_sse2
,
16
);
assert
(
sum
<=
255
*
64
*
32
);
assert
(
sum
>=
-
255
*
64
*
32
);
return
*
sse
-
(((
int64_t
)
sum
*
sum
)
>>
11
);
}
...
...
@@ -277,6 +302,8 @@ unsigned int aom_variance32x64_sse2(const uint8_t *src, int src_stride,
int
sum
;
variance_sse2
(
src
,
src_stride
,
ref
,
ref_stride
,
32
,
64
,
sse
,
&
sum
,
aom_get16x16var_sse2
,
16
);
assert
(
sum
<=
255
*
64
*
32
);
assert
(
sum
>=
-
255
*
64
*
32
);
return
*
sse
-
(((
int64_t
)
sum
*
sum
)
>>
11
);
}
...
...
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