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Linshizhi
ffmpeg.wasm-core
Commits
27af15dc
Commit
27af15dc
authored
Feb 15, 2008
by
Diego Biurrun
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Plain Diff
prettyprinting cosmetics
Originally committed as revision 11941 to
svn://svn.ffmpeg.org/ffmpeg/trunk
parent
ad40b153
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Inline
Side-by-side
Showing
3 changed files
with
75 additions
and
78 deletions
+75
-78
bswap.h
libavutil/bswap.h
+24
-26
common.h
libavutil/common.h
+21
-22
x86_cpu.h
libavutil/x86_cpu.h
+30
-30
No files found.
libavutil/bswap.h
View file @
27af15dc
...
...
@@ -42,11 +42,11 @@
static
av_always_inline
uint16_t
bswap_16
(
uint16_t
x
)
{
#if defined(ARCH_X86)
__asm
(
"rorw $8, %0"
:
LEGACY_REGS
(
x
)
:
"0"
(
x
));
__asm
(
"rorw $8, %0"
:
LEGACY_REGS
(
x
)
:
"0"
(
x
));
#elif defined(ARCH_SH4)
__asm__
(
"swap.b %0,%0"
:
"=r"
(
x
)
:
"0"
(
x
));
__asm__
(
"swap.b %0,%0"
:
"=r"
(
x
)
:
"0"
(
x
));
#else
x
=
(
x
>>
8
)
|
(
x
<<
8
);
#endif
...
...
@@ -57,35 +57,33 @@ static av_always_inline uint32_t bswap_32(uint32_t x)
{
#if defined(ARCH_X86)
#if __CPU__ != 386
__asm
(
"bswap %0"
:
"=r"
(
x
)
:
__asm
(
"bswap %0"
:
"=r"
(
x
)
:
#else
__asm
(
"xchgb %b0,%h0
\n
"
" rorl $16,%0
\n
"
"
xchgb %b0,%h0"
:
LEGACY_REGS
(
x
)
:
__asm
(
"xchgb %b0,%h0
\n
"
"rorl $16,%0
\n
"
"
xchgb %b0,%h0"
:
LEGACY_REGS
(
x
)
:
#endif
"0"
(
x
));
"0"
(
x
));
#elif defined(ARCH_SH4)
__asm__
(
"swap.b %0,%0
\n
"
"swap.w %0,%0
\n
"
"swap.b %0,%0
\n
"
:
"=r"
(
x
)
:
"0"
(
x
));
__asm__
(
"swap.b %0,%0
\n
"
"swap.w %0,%0
\n
"
"swap.b %0,%0
\n
"
:
"=r"
(
x
)
:
"0"
(
x
));
#elif defined(ARCH_ARM)
uint32_t
t
;
__asm__
(
"eor %1, %0, %0, ror #16
\n\t
"
"bic %1, %1, #0xFF0000
\n\t
"
"mov %0, %0, ror #8
\n\t
"
"eor %0, %0, %1, lsr #8
\n\t
"
:
"+r"
(
x
),
"+r"
(
t
));
__asm__
(
"eor %1, %0, %0, ror #16
\n\t
"
"bic %1, %1, #0xFF0000
\n\t
"
"mov %0, %0, ror #8
\n\t
"
"eor %0, %0, %1, lsr #8
\n\t
"
:
"+r"
(
x
),
"+r"
(
t
));
#elif defined(ARCH_BFIN)
unsigned
tmp
;
asm
(
"%1 = %0 >> 8 (V);
\n\t
"
"%0 = %0 << 8 (V);
\n\t
"
"%0 = %0 | %1;
\n\t
"
"%0 = PACK(%0.L, %0.H);
\n\t
"
asm
(
"%1 = %0 >> 8 (V);
\n\t
"
"%0 = %0 << 8 (V);
\n\t
"
"%0 = %0 | %1;
\n\t
"
"%0 = PACK(%0.L, %0.H);
\n\t
"
:
"+d"
(
x
),
"=&d"
(
tmp
));
#else
x
=
((
x
<<
8
)
&
0xFF00FF00
)
|
((
x
>>
8
)
&
0x00FF00FF
);
...
...
libavutil/common.h
View file @
27af15dc
...
...
@@ -172,7 +172,7 @@ static inline int mid_pred(int a, int b, int c)
*/
static
inline
int
av_clip
(
int
a
,
int
amin
,
int
amax
)
{
if
(
a
<
amin
)
return
amin
;
if
(
a
<
amin
)
return
amin
;
else
if
(
a
>
amax
)
return
amax
;
else
return
a
;
}
...
...
@@ -285,20 +285,18 @@ static inline int ff_get_fourcc(const char *s){
#if defined(ARCH_X86_64)
static
inline
uint64_t
read_time
(
void
)
{
uint64_t
a
,
d
;
asm
volatile
(
"rdtsc
\n\t
"
:
"=a"
(
a
),
"=d"
(
d
)
);
return
(
d
<<
32
)
|
(
a
&
0xffffffff
);
uint64_t
a
,
d
;
asm
volatile
(
"rdtsc
\n\t
"
:
"=a"
(
a
),
"=d"
(
d
));
return
(
d
<<
32
)
|
(
a
&
0xffffffff
);
}
#elif defined(ARCH_X86_32)
static
inline
long
long
read_time
(
void
)
{
long
long
l
;
asm
volatile
(
"rdtsc
\n\t
"
:
"=A"
(
l
)
);
return
l
;
long
long
l
;
asm
volatile
(
"rdtsc
\n\t
"
:
"=A"
(
l
));
return
l
;
}
#elif ARCH_BFIN
static
inline
uint64_t
read_time
(
void
)
...
...
@@ -345,17 +343,18 @@ uint64_t tstart= AV_READ_TIME();\
#define STOP_TIMER(id) \
tend= AV_READ_TIME();\
{\
static uint64_t tsum=0;\
static int tcount=0;\
static int tskip_count=0;\
if(tcount<2 || tend - tstart < FFMAX(8*tsum/tcount, 2000)){\
tsum+= tend - tstart;\
tcount++;\
}else\
tskip_count++;\
if(((tcount+tskip_count)&(tcount+tskip_count-1))==0){\
av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n", tsum*10/tcount, id, tcount, tskip_count);\
}\
static uint64_t tsum=0;\
static int tcount=0;\
static int tskip_count=0;\
if(tcount<2 || tend - tstart < FFMAX(8*tsum/tcount, 2000)){\
tsum+= tend - tstart;\
tcount++;\
}else\
tskip_count++;\
if(((tcount+tskip_count)&(tcount+tskip_count-1))==0){\
av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n",\
tsum*10/tcount, id, tcount, tskip_count);\
}\
}
#else
#define START_TIMER
...
...
libavutil/x86_cpu.h
View file @
27af15dc
...
...
@@ -22,47 +22,47 @@
#define FFMPEG_X86CPU_H
#ifdef ARCH_X86_64
# define REG_a "rax"
# define REG_b "rbx"
# define REG_c "rcx"
# define REG_d "rdx"
# define REG_D "rdi"
# define REG_S "rsi"
# define PTR_SIZE "8"
#
define REG_a "rax"
#
define REG_b "rbx"
#
define REG_c "rcx"
#
define REG_d "rdx"
#
define REG_D "rdi"
#
define REG_S "rsi"
#
define PTR_SIZE "8"
# define REG_SP "rsp"
# define REG_BP "rbp"
# define REGBP rbp
# define REGa rax
# define REGb rbx
# define REGc rcx
# define REGSP rsp
#
define REG_SP "rsp"
#
define REG_BP "rbp"
#
define REGBP rbp
#
define REGa rax
#
define REGb rbx
#
define REGc rcx
#
define REGSP rsp
#else
# define REG_a "eax"
# define REG_b "ebx"
# define REG_c "ecx"
# define REG_d "edx"
# define REG_D "edi"
# define REG_S "esi"
# define PTR_SIZE "4"
#
define REG_a "eax"
#
define REG_b "ebx"
#
define REG_c "ecx"
#
define REG_d "edx"
#
define REG_D "edi"
#
define REG_S "esi"
#
define PTR_SIZE "4"
# define REG_SP "esp"
# define REG_BP "ebp"
# define REGBP ebp
# define REGa eax
# define REGb ebx
# define REGc ecx
# define REGSP esp
#
define REG_SP "esp"
#
define REG_BP "ebp"
#
define REGBP ebp
#
define REGa eax
#
define REGb ebx
#
define REGc ecx
#
define REGSP esp
#endif
#if defined(ARCH_X86_64) || (defined(ARCH_X86_32) && defined(HAVE_EBX_AVAILABLE) && defined(HAVE_EBP_AVAILABLE))
# define HAVE_7REGS 1
#
define HAVE_7REGS 1
#endif
#if defined(ARCH_X86_64) && defined(PIC)
# define BROKEN_RELOCATIONS 1
#
define BROKEN_RELOCATIONS 1
#endif
#endif
/* FFMPEG_X86CPU_H */
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