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Linshizhi
ffmpeg.wasm-core
Commits
913fa85a
Commit
913fa85a
authored
Feb 18, 2014
by
Diego Biurrun
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dct-test: Skip indirection for MMX IDCT permutation
parent
9e0b2991
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1 changed file
with
1 addition
and
14 deletions
+1
-14
dct-test.c
libavcodec/dct-test.c
+1
-14
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libavcodec/dct-test.c
View file @
913fa85a
...
@@ -128,8 +128,6 @@ static const struct algo idct_tab[] = {
...
@@ -128,8 +128,6 @@ static const struct algo idct_tab[] = {
#define NB_ITS 20000
#define NB_ITS 20000
#define NB_ITS_SPEED 50000
#define NB_ITS_SPEED 50000
static
short
idct_mmx_perm
[
64
];
static
short
idct_simple_mmx_perm
[
64
]
=
{
static
short
idct_simple_mmx_perm
[
64
]
=
{
0x00
,
0x08
,
0x04
,
0x09
,
0x01
,
0x0C
,
0x05
,
0x0D
,
0x00
,
0x08
,
0x04
,
0x09
,
0x01
,
0x0C
,
0x05
,
0x0D
,
0x10
,
0x18
,
0x14
,
0x19
,
0x11
,
0x1C
,
0x15
,
0x1D
,
0x10
,
0x18
,
0x14
,
0x19
,
0x11
,
0x1C
,
0x15
,
0x1D
,
...
@@ -143,16 +141,6 @@ static short idct_simple_mmx_perm[64] = {
...
@@ -143,16 +141,6 @@ static short idct_simple_mmx_perm[64] = {
static
const
uint8_t
idct_sse2_row_perm
[
8
]
=
{
0
,
4
,
1
,
5
,
2
,
6
,
3
,
7
};
static
const
uint8_t
idct_sse2_row_perm
[
8
]
=
{
0
,
4
,
1
,
5
,
2
,
6
,
3
,
7
};
static
void
idct_mmx_init
(
void
)
{
int
i
;
/* the mmx/mmxext idct uses a reordered input, so we patch scan tables */
for
(
i
=
0
;
i
<
64
;
i
++
)
{
idct_mmx_perm
[
i
]
=
(
i
&
0x38
)
|
((
i
&
6
)
>>
1
)
|
((
i
&
1
)
<<
2
);
}
}
DECLARE_ALIGNED
(
16
,
static
int16_t
,
block
)[
64
];
DECLARE_ALIGNED
(
16
,
static
int16_t
,
block
)[
64
];
DECLARE_ALIGNED
(
8
,
static
int16_t
,
block1
)[
64
];
DECLARE_ALIGNED
(
8
,
static
int16_t
,
block1
)[
64
];
...
@@ -190,7 +178,7 @@ static void permute(int16_t dst[64], const int16_t src[64], int perm)
...
@@ -190,7 +178,7 @@ static void permute(int16_t dst[64], const int16_t src[64], int perm)
if
(
perm
==
MMX_PERM
)
{
if
(
perm
==
MMX_PERM
)
{
for
(
i
=
0
;
i
<
64
;
i
++
)
for
(
i
=
0
;
i
<
64
;
i
++
)
dst
[
idct_mmx_perm
[
i
]
]
=
src
[
i
];
dst
[
(
i
&
0x38
)
|
((
i
&
6
)
>>
1
)
|
((
i
&
1
)
<<
2
)
]
=
src
[
i
];
}
else
if
(
perm
==
MMX_SIMPLE_PERM
)
{
}
else
if
(
perm
==
MMX_SIMPLE_PERM
)
{
for
(
i
=
0
;
i
<
64
;
i
++
)
for
(
i
=
0
;
i
<
64
;
i
++
)
dst
[
idct_simple_mmx_perm
[
i
]]
=
src
[
i
];
dst
[
idct_simple_mmx_perm
[
i
]]
=
src
[
i
];
...
@@ -469,7 +457,6 @@ int main(int argc, char **argv)
...
@@ -469,7 +457,6 @@ int main(int argc, char **argv)
int
err
=
0
;
int
err
=
0
;
ff_ref_dct_init
();
ff_ref_dct_init
();
idct_mmx_init
();
for
(;;)
{
for
(;;)
{
c
=
getopt
(
argc
,
argv
,
"ih4t"
);
c
=
getopt
(
argc
,
argv
,
"ih4t"
);
...
...
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