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Clean up av_get_cpu_flag()

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Instead of defining functions in per-arch header files included
by the main cpu.c, define them normally and call them from the
generic one.

Originally committed as revision 25084 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-09-09 18:51:45 +00:00
parent d222e9f9da
commit 9275438a19
6 changed files with 17 additions and 28 deletions
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4
libavutil/Makefile
View File

@ -57,6 +57,10 @@ OBJS = adler32.o \
tree.o \
utils.o \
OBJS-$(ARCH_ARM) += arm/cpu.o
OBJS-$(ARCH_PPC) += ppc/cpu.o
OBJS-$(ARCH_X86) += x86/cpu.o
TESTPROGS = adler32 aes base64 cpu crc des lls md5 pca sha softfloat tree
TESTPROGS-$(HAVE_LZO1X_999_COMPRESS) += lzo

8
libavutil/arm/cpu.h → libavutil/arm/cpu.c
View File

@ -16,14 +16,10 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_ARM_CPU_H
#define AVUTIL_ARM_CPU_H
#include "libavutil/cpu.h"
#include "config.h"
int av_get_cpu_flags(void)
int ff_get_cpu_flags_arm(void)
{
return HAVE_IWMMXT * AV_CPU_FLAG_IWMMXT;
}
#endif /* AVUTIL_ARM_CPU_H */

11
libavutil/cpu.c
View File

@ -19,18 +19,13 @@
#include "cpu.h"
#include "config.h"
#if ARCH_ARM
# include "arm/cpu.h"
#elif ARCH_PPC
# include "ppc/cpu.h"
#elif ARCH_X86
# include "x86/cpu.h"
#else
int av_get_cpu_flags(void)
{
if (ARCH_ARM) return ff_get_cpu_flags_arm();
if (ARCH_PPC) return ff_get_cpu_flags_ppc();
if (ARCH_X86) return ff_get_cpu_flags_x86();
return 0;
}
#endif
#ifdef TEST

7
libavutil/cpu.h
View File

@ -21,8 +21,6 @@
#ifndef AVUTIL_CPU_H
#define AVUTIL_CPU_H
#include "avutil.h"
#define AV_CPU_FLAG_FORCE 0x80000000 /* force usage of selected flags (OR) */
/* lower 16 bits - CPU features */
@ -46,4 +44,9 @@
*/
int av_get_cpu_flags(void);
/* The following CPU-specific functions shall not be called directly. */
int ff_get_cpu_flags_arm(void);
int ff_get_cpu_flags_ppc(void);
int ff_get_cpu_flags_x86(void);
#endif /* AVUTIL_CPU_H */

8
libavutil/ppc/cpu.h → libavutil/ppc/cpu.c
View File

@ -16,9 +16,6 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_PPC_CPU_H
#define AVUTIL_PPC_CPU_H
#ifdef __APPLE__
#undef _POSIX_C_SOURCE
#include <sys/sysctl.h>
@ -32,13 +29,14 @@
#include <proto/exec.h>
#endif /* __APPLE__ */
#include "libavutil/cpu.h"
#include "config.h"
/**
* This function MAY rely on signal() or fork() in order to make sure AltiVec
* is present.
*/
int av_get_cpu_flags(void)
int ff_get_cpu_flags_ppc(void)
{
#if HAVE_ALTIVEC
#ifdef __AMIGAOS4__
@ -84,5 +82,3 @@ int av_get_cpu_flags(void)
#endif /* HAVE_ALTIVEC */
return 0;
}
#endif /* AVUTIL_PPC_CPU_H */

7
libavutil/x86/cpu.h → libavutil/x86/cpu.c
View File

@ -20,9 +20,6 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_X86_CPU_H2
#define AVUTIL_X86_CPU_H2
#include <stdlib.h>
#include "libavutil/x86_cpu.h"
#include "libavutil/cpu.h"
@ -38,7 +35,7 @@
: "0" (index));
/* Function to test if multimedia instructions are supported... */
int av_get_cpu_flags(void)
int ff_get_cpu_flags_x86(void)
{
int rval = 0;
int eax, ebx, ecx, edx;
@ -124,5 +121,3 @@ int av_get_cpu_flags(void)
return rval;
}
#endif /* AVUTIL_X86_CPU_H2 */