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Stefan Westerfeld
ffmpeg
Commits
eaff1aa0
Commit
eaff1aa0
authored
Jan 08, 2017
by
Steinar H. Gunderson
Committed by
Paul B Mahol
Jan 11, 2017
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avcodec: move bitswap_32() into a header file
Allows more codecs than mpeg12video to make use of it.
parent
107b3064
Changes
2
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2 changed files
with
8 additions
and
8 deletions
+8
-8
bitstream.c
libavcodec/bitstream.c
+0
-8
mathops.h
libavcodec/mathops.h
+8
-0
No files found.
libavcodec/bitstream.c
View file @
eaff1aa0
...
...
@@ -128,14 +128,6 @@ static int alloc_table(VLC *vlc, int size, int use_static)
return
index
;
}
static
av_always_inline
uint32_t
bitswap_32
(
uint32_t
x
)
{
return
(
uint32_t
)
ff_reverse
[
x
&
0xFF
]
<<
24
|
(
uint32_t
)
ff_reverse
[(
x
>>
8
)
&
0xFF
]
<<
16
|
(
uint32_t
)
ff_reverse
[(
x
>>
16
)
&
0xFF
]
<<
8
|
(
uint32_t
)
ff_reverse
[
x
>>
24
];
}
typedef
struct
VLCcode
{
uint8_t
bits
;
uint16_t
symbol
;
...
...
libavcodec/mathops.h
View file @
eaff1aa0
...
...
@@ -249,4 +249,12 @@ static inline int8_t ff_u8_to_s8(uint8_t a)
return
b
.
s8
;
}
static
av_always_inline
uint32_t
bitswap_32
(
uint32_t
x
)
{
return
(
uint32_t
)
ff_reverse
[
x
&
0xFF
]
<<
24
|
(
uint32_t
)
ff_reverse
[(
x
>>
8
)
&
0xFF
]
<<
16
|
(
uint32_t
)
ff_reverse
[(
x
>>
16
)
&
0xFF
]
<<
8
|
(
uint32_t
)
ff_reverse
[
x
>>
24
];
}
#endif
/* AVCODEC_MATHOPS_H */
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