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Linshizhi
ffmpeg.wasm-core
Commits
7ffaa195
Commit
7ffaa195
authored
Dec 01, 2013
by
Diego Biurrun
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dsputil: x86: Move ff_inv_zigzag_direct16 table init to mpegvideo
The table is MMX-specific and used nowhere else.
parent
7b05845b
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Showing
3 changed files
with
8 additions
and
8 deletions
+8
-8
dsputil.c
libavcodec/dsputil.c
+0
-5
mpegvideoenc.c
libavcodec/x86/mpegvideoenc.c
+6
-1
mpegvideoenc_template.c
libavcodec/x86/mpegvideoenc_template.c
+2
-2
No files found.
libavcodec/dsputil.c
View file @
7ffaa195
...
...
@@ -68,9 +68,6 @@ const uint8_t ff_zigzag248_direct[64] = {
53
,
61
,
54
,
62
,
39
,
47
,
55
,
63
,
};
/* not permutated inverse zigzag_direct + 1 for MMX quantizer */
DECLARE_ALIGNED
(
16
,
uint16_t
,
ff_inv_zigzag_direct16
)[
64
];
const
uint8_t
ff_alternate_horizontal_scan
[
64
]
=
{
0
,
1
,
2
,
3
,
8
,
9
,
16
,
17
,
10
,
11
,
4
,
5
,
6
,
7
,
15
,
14
,
...
...
@@ -2431,8 +2428,6 @@ av_cold void ff_dsputil_static_init(void)
for
(
i
=
0
;
i
<
512
;
i
++
)
{
ff_squareTbl
[
i
]
=
(
i
-
256
)
*
(
i
-
256
);
}
for
(
i
=
0
;
i
<
64
;
i
++
)
ff_inv_zigzag_direct16
[
ff_zigzag_direct
[
i
]]
=
i
+
1
;
}
int
ff_check_alignment
(
void
){
...
...
libavcodec/x86/mpegvideoenc.c
View file @
7ffaa195
...
...
@@ -28,7 +28,8 @@
#include "libavcodec/mpegvideo.h"
#include "dsputil_x86.h"
extern
uint16_t
ff_inv_zigzag_direct16
[
64
];
/* not permutated inverse zigzag_direct + 1 for MMX quantizer */
DECLARE_ALIGNED
(
16
,
static
uint16_t
,
inv_zigzag_direct16
)[
64
];
#if HAVE_MMX_INLINE
#define COMPILE_TEMPLATE_MMXEXT 0
...
...
@@ -84,6 +85,10 @@ extern uint16_t ff_inv_zigzag_direct16[64];
av_cold
void
ff_MPV_encode_init_x86
(
MpegEncContext
*
s
)
{
const
int
dct_algo
=
s
->
avctx
->
dct_algo
;
int
i
;
for
(
i
=
0
;
i
<
64
;
i
++
)
inv_zigzag_direct16
[
ff_zigzag_direct
[
i
]]
=
i
+
1
;
if
(
dct_algo
==
FF_DCT_AUTO
||
dct_algo
==
FF_DCT_MMX
)
{
#if HAVE_MMX_INLINE
...
...
libavcodec/x86/mpegvideoenc_template.c
View file @
7ffaa195
...
...
@@ -168,7 +168,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
"movzb %%al, %%"
REG_a
"
\n\t
"
// last_non_zero_p1
:
"+a"
(
last_non_zero_p1
)
:
"r"
(
block
+
64
),
"r"
(
qmat
),
"r"
(
bias
),
"r"
(
ff_inv_zigzag_direct16
+
64
),
"r"
(
temp_block
+
64
)
"r"
(
inv_zigzag_direct16
+
64
),
"r"
(
temp_block
+
64
)
XMM_CLOBBERS_ONLY
(
"%xmm0"
,
"%xmm1"
,
"%xmm2"
,
"%xmm3"
,
"%xmm4"
,
"%xmm5"
,
"%xmm6"
,
"%xmm7"
)
);
...
...
@@ -202,7 +202,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
"movzb %%al, %%"
REG_a
"
\n\t
"
// last_non_zero_p1
:
"+a"
(
last_non_zero_p1
)
:
"r"
(
block
+
64
),
"r"
(
qmat
+
64
),
"r"
(
bias
+
64
),
"r"
(
ff_inv_zigzag_direct16
+
64
),
"r"
(
temp_block
+
64
)
"r"
(
inv_zigzag_direct16
+
64
),
"r"
(
temp_block
+
64
)
XMM_CLOBBERS_ONLY
(
"%xmm0"
,
"%xmm1"
,
"%xmm2"
,
"%xmm3"
,
"%xmm4"
,
"%xmm5"
,
"%xmm6"
,
"%xmm7"
)
);
...
...
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