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Linshizhi
ffmpeg.wasm-core
Commits
3d03c0a2
Commit
3d03c0a2
authored
Aug 13, 2001
by
Fabrice Bellard
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arm optimizations
Originally committed as revision 82 to
svn://svn.ffmpeg.org/ffmpeg/trunk
parent
bdc4796f
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3 changed files
with
24 additions
and
2 deletions
+24
-2
Makefile
libavcodec/Makefile
+10
-0
dsputil.c
libavcodec/dsputil.c
+3
-0
dsputil.h
libavcodec/dsputil.h
+11
-2
No files found.
libavcodec/Makefile
View file @
3d03c0a2
...
...
@@ -31,6 +31,12 @@ OBJS += i386/fdctdata.o i386/cputest.o \
i386/idct_mmx.o
endif
# armv4l specific stuff
ifeq
($(TARGET_ARCH_ARMV4L),yes)
ASM_OBJS
+=
armv4l/jrevdct_arm.o
OBJS
+=
armv4l/dsputil_arm.o
endif
SRCS
=
$
(
OBJS:.o
=
.c
)
$
(
ASM_OBJS:.o
=
.s
)
LIB
=
libavcodec.a
...
...
@@ -48,6 +54,9 @@ dsputil.o: dsputil.c dsputil.h
%.o
:
%.c
$(CC)
$(CFLAGS)
-c
-o
$@
$<
%.o
:
%.S
$(CC)
$(CFLAGS)
-c
-o
$@
$<
%.o
:
%.s
nasm
-f
elf
-o
$@
$<
...
...
@@ -59,6 +68,7 @@ depend:
clean
:
rm
-f
*
.o
*
~
*
.a i386/
*
.o i386/
*
~
\
armv4l/
*
.o armv4l/
*
~
\
libac3/
*
.o libac3/
*
~
\
mpglib/
*
.o mpglib/
*
~
\
apiexample
$(TESTS)
...
...
libavcodec/dsputil.c
View file @
3d03c0a2
...
...
@@ -450,4 +450,7 @@ void dsputil_init(void)
#ifdef HAVE_MMX
dsputil_init_mmx
();
#endif
#ifdef ARCH_ARMV4L
dsputil_init_armv4l
();
#endif
}
libavcodec/dsputil.h
View file @
3d03c0a2
...
...
@@ -2,7 +2,6 @@
#define DSPUTIL_H
#include "common.h"
#include <inttypes.h>
/* dct code */
typedef
short
DCTELEM
;
...
...
@@ -75,7 +74,7 @@ static inline int block_permute_op(int j)
void
block_permute
(
INT16
*
block
);
#if
def HAVE_MMX
#if
defined(HAVE_MMX)
#define MM_MMX 0x0001
/* standard MMX */
#define MM_3DNOW 0x0004
/* AMD 3DNOW */
...
...
@@ -102,6 +101,16 @@ static inline void emms(void)
void
dsputil_init_mmx
(
void
);
#elif defined(ARCH_ARMV4L)
#define emms_c()
/* This is to use 4 bytes read to the IDCT pointers for some 'zero'
line ptimizations */
#define __align8 __attribute__ ((aligned (4)))
void
dsputil_init_armv4l
(
void
);
#else
#define emms_c()
...
...
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