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Linshizhi
ffmpeg.wasm-core
Commits
a35738f4
Commit
a35738f4
authored
Jul 22, 2012
by
Justin Ruggles
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dsputil: ppc: cosmetics: pretty-print
parent
85a3c19e
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Showing
1 changed file
with
64 additions
and
62 deletions
+64
-62
fmtconvert_altivec.c
libavcodec/ppc/fmtconvert_altivec.c
+64
-62
No files found.
libavcodec/ppc/fmtconvert_altivec.c
View file @
a35738f4
...
...
@@ -23,7 +23,8 @@
#include "libavutil/ppc/util_altivec.h"
#include "dsputil_altivec.h"
static
void
int32_to_float_fmul_scalar_altivec
(
float
*
dst
,
const
int
*
src
,
float
mul
,
int
len
)
static
void
int32_to_float_fmul_scalar_altivec
(
float
*
dst
,
const
int
*
src
,
float
mul
,
int
len
)
{
union
{
vector
float
v
;
...
...
@@ -36,7 +37,7 @@ static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src, float
mul_u
.
s
[
0
]
=
mul
;
mul_v
=
vec_splat
(
mul_u
.
v
,
0
);
for
(
i
=
0
;
i
<
len
;
i
+=
8
)
{
for
(
i
=
0
;
i
<
len
;
i
+=
8
)
{
src1
=
vec_ctf
(
vec_ld
(
0
,
src
+
i
),
0
);
src2
=
vec_ctf
(
vec_ld
(
16
,
src
+
i
),
0
);
dst1
=
vec_madd
(
src1
,
mul_v
,
zero
);
...
...
@@ -47,8 +48,7 @@ static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src, float
}
static
vector
signed
short
float_to_int16_one_altivec
(
const
float
*
src
)
static
vector
signed
short
float_to_int16_one_altivec
(
const
float
*
src
)
{
vector
float
s0
=
vec_ld
(
0
,
src
);
vector
float
s1
=
vec_ld
(
16
,
src
);
...
...
@@ -62,80 +62,82 @@ static void float_to_int16_altivec(int16_t *dst, const float *src, long len)
int
i
;
vector
signed
short
d0
,
d1
,
d
;
vector
unsigned
char
align
;
if
(((
long
)
dst
)
&
15
)
//FIXME
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
d0
=
vec_ld
(
0
,
dst
+
i
);
d
=
float_to_int16_one_altivec
(
src
+
i
);
d1
=
vec_ld
(
15
,
dst
+
i
);
d1
=
vec_perm
(
d1
,
d0
,
vec_lvsl
(
0
,
dst
+
i
));
align
=
vec_lvsr
(
0
,
dst
+
i
);
d0
=
vec_perm
(
d1
,
d
,
align
);
d1
=
vec_perm
(
d
,
d1
,
align
);
vec_st
(
d0
,
0
,
dst
+
i
);
vec_st
(
d1
,
15
,
dst
+
i
);
}
else
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
d
=
float_to_int16_one_altivec
(
src
+
i
);
vec_st
(
d
,
0
,
dst
+
i
);
if
(((
long
)
dst
)
&
15
)
{
//FIXME
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
d0
=
vec_ld
(
0
,
dst
+
i
);
d
=
float_to_int16_one_altivec
(
src
+
i
);
d1
=
vec_ld
(
15
,
dst
+
i
);
d1
=
vec_perm
(
d1
,
d0
,
vec_lvsl
(
0
,
dst
+
i
));
align
=
vec_lvsr
(
0
,
dst
+
i
);
d0
=
vec_perm
(
d1
,
d
,
align
);
d1
=
vec_perm
(
d
,
d1
,
align
);
vec_st
(
d0
,
0
,
dst
+
i
);
vec_st
(
d1
,
15
,
dst
+
i
);
}
}
else
{
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
d
=
float_to_int16_one_altivec
(
src
+
i
);
vec_st
(
d
,
0
,
dst
+
i
);
}
}
}
static
void
float_to_int16_interleave_altivec
(
int16_t
*
dst
,
const
float
**
src
,
long
len
,
int
channels
)
static
void
float_to_int16_interleave_altivec
(
int16_t
*
dst
,
const
float
**
src
,
long
len
,
int
channels
)
{
int
i
;
vector
signed
short
d0
,
d1
,
d2
,
c0
,
c1
,
t0
,
t1
;
vector
unsigned
char
align
;
if
(
channels
==
1
)
if
(
channels
==
1
)
float_to_int16_altivec
(
dst
,
src
[
0
],
len
);
else
else
{
if
(
channels
==
2
)
{
if
(((
long
)
dst
)
&
15
)
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
d0
=
vec_ld
(
0
,
dst
+
i
);
t0
=
float_to_int16_one_altivec
(
src
[
0
]
+
i
);
d1
=
vec_ld
(
31
,
dst
+
i
);
t1
=
float_to_int16_one_altivec
(
src
[
1
]
+
i
);
c0
=
vec_mergeh
(
t0
,
t1
);
c1
=
vec_mergel
(
t0
,
t1
);
d2
=
vec_perm
(
d1
,
d0
,
vec_lvsl
(
0
,
dst
+
i
));
align
=
vec_lvsr
(
0
,
dst
+
i
);
d0
=
vec_perm
(
d2
,
c0
,
align
);
d1
=
vec_perm
(
c0
,
c1
,
align
);
vec_st
(
d0
,
0
,
dst
+
i
);
d0
=
vec_perm
(
c1
,
d2
,
align
);
vec_st
(
d1
,
15
,
dst
+
i
);
vec_st
(
d0
,
31
,
dst
+
i
);
dst
+=
8
;
}
else
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
t0
=
float_to_int16_one_altivec
(
src
[
0
]
+
i
);
t1
=
float_to_int16_one_altivec
(
src
[
1
]
+
i
);
d0
=
vec_mergeh
(
t0
,
t1
);
d1
=
vec_mergel
(
t0
,
t1
);
vec_st
(
d0
,
0
,
dst
+
i
);
vec_st
(
d1
,
16
,
dst
+
i
);
dst
+=
8
;
}
}
else
{
DECLARE_ALIGNED
(
16
,
int16_t
,
tmp
)[
len
];
int
c
,
j
;
for
(
c
=
0
;
c
<
channels
;
c
++
)
{
float_to_int16_altivec
(
tmp
,
src
[
c
],
len
);
for
(
i
=
0
,
j
=
c
;
i
<
len
;
i
++
,
j
+=
channels
)
{
dst
[
j
]
=
tmp
[
i
];
if
(((
long
)
dst
)
&
15
)
{
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
d0
=
vec_ld
(
0
,
dst
+
i
);
t0
=
float_to_int16_one_altivec
(
src
[
0
]
+
i
);
d1
=
vec_ld
(
31
,
dst
+
i
);
t1
=
float_to_int16_one_altivec
(
src
[
1
]
+
i
);
c0
=
vec_mergeh
(
t0
,
t1
);
c1
=
vec_mergel
(
t0
,
t1
);
d2
=
vec_perm
(
d1
,
d0
,
vec_lvsl
(
0
,
dst
+
i
));
align
=
vec_lvsr
(
0
,
dst
+
i
);
d0
=
vec_perm
(
d2
,
c0
,
align
);
d1
=
vec_perm
(
c0
,
c1
,
align
);
vec_st
(
d0
,
0
,
dst
+
i
);
d0
=
vec_perm
(
c1
,
d2
,
align
);
vec_st
(
d1
,
15
,
dst
+
i
);
vec_st
(
d0
,
31
,
dst
+
i
);
dst
+=
8
;
}
}
else
{
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
t0
=
float_to_int16_one_altivec
(
src
[
0
]
+
i
);
t1
=
float_to_int16_one_altivec
(
src
[
1
]
+
i
);
d0
=
vec_mergeh
(
t0
,
t1
);
d1
=
vec_mergel
(
t0
,
t1
);
vec_st
(
d0
,
0
,
dst
+
i
);
vec_st
(
d1
,
16
,
dst
+
i
);
dst
+=
8
;
}
}
}
else
{
DECLARE_ALIGNED
(
16
,
int16_t
,
tmp
)[
len
];
int
c
,
j
;
for
(
c
=
0
;
c
<
channels
;
c
++
)
{
float_to_int16_altivec
(
tmp
,
src
[
c
],
len
);
for
(
i
=
0
,
j
=
c
;
i
<
len
;
i
++
,
j
+=
channels
)
dst
[
j
]
=
tmp
[
i
];
}
}
}
}
}
void
ff_fmt_convert_init_altivec
(
FmtConvertContext
*
c
,
AVCodecContext
*
avctx
)
{
c
->
int32_to_float_fmul_scalar
=
int32_to_float_fmul_scalar_altivec
;
if
(
!
(
avctx
->
flags
&
CODEC_FLAG_BITEXACT
))
{
if
(
!
(
avctx
->
flags
&
CODEC_FLAG_BITEXACT
))
{
c
->
float_to_int16
=
float_to_int16_altivec
;
c
->
float_to_int16_interleave
=
float_to_int16_interleave_altivec
;
}
...
...
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