cpu_internal.h File Reference

#include "config.h"
#include "cpu.h"

Go to the source code of this file.

Macros
#define	CPUEXT_SUFFIX(flags, suffix, cpuext)   (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
#define	CPUEXT_SUFFIX_FAST2(flags, suffix, cpuext, slow_cpuext)
#define	CPUEXT_SUFFIX_SLOW(flags, suffix, cpuext)
#define	CPUEXT_SUFFIX_SLOW2(flags, suffix, cpuext, slow_cpuext)
#define	CPUEXT_SUFFIX_FAST(flags, suffix, cpuext)   CPUEXT_SUFFIX_FAST2(flags, suffix, cpuext, cpuext)
#define	CPUEXT(flags, cpuext)   CPUEXT_SUFFIX(flags, , cpuext)
#define	CPUEXT_FAST(flags, cpuext)   CPUEXT_SUFFIX_FAST(flags, , cpuext)
#define	CPUEXT_SLOW(flags, cpuext)   CPUEXT_SUFFIX_SLOW(flags, , cpuext)

Functions
int	ff_get_cpu_flags_mips (void)
int	ff_get_cpu_flags_aarch64 (void)
int	ff_get_cpu_flags_arm (void)
int	ff_get_cpu_flags_ppc (void)
	This function MAY rely on signal() or fork() in order to make sure AltiVec is present. More...
int	ff_get_cpu_flags_riscv (void)
int	ff_get_cpu_flags_x86 (void)
int	ff_get_cpu_flags_loongarch (void)
size_t	ff_get_cpu_max_align_mips (void)
size_t	ff_get_cpu_max_align_aarch64 (void)
size_t	ff_get_cpu_max_align_arm (void)
size_t	ff_get_cpu_max_align_ppc (void)
size_t	ff_get_cpu_max_align_x86 (void)
size_t	ff_get_cpu_max_align_loongarch (void)
unsigned long	ff_getauxval (unsigned long type)

Macro Definition Documentation

CPUEXT_SUFFIX

#define CPUEXT_SUFFIX	(		flags,
			suffix,
			cpuext
	)		(HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))

Definition at line 26 of file cpu_internal.h.

CPUEXT_SUFFIX_FAST2

#define CPUEXT_SUFFIX_FAST2	(		flags,
			suffix,
			cpuext,
			slow_cpuext
	)

Value:

    (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
     !((flags) & AV_CPU_FLAG_ ## slow_cpuext ## SLOW))

Definition at line 29 of file cpu_internal.h.

CPUEXT_SUFFIX_SLOW

#define CPUEXT_SUFFIX_SLOW	(		flags,
			suffix,
			cpuext
	)

Value:

    (HAVE_ ## cpuext ## suffix &&                                       \
     ((flags) & (AV_CPU_FLAG_ ## cpuext | AV_CPU_FLAG_ ## cpuext ## SLOW)))

Definition at line 33 of file cpu_internal.h.

CPUEXT_SUFFIX_SLOW2

#define CPUEXT_SUFFIX_SLOW2	(		flags,
			suffix,
			cpuext,
			slow_cpuext
	)

Value:

    (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
     ((flags) & (AV_CPU_FLAG_ ## slow_cpuext | AV_CPU_FLAG_ ## slow_cpuext ## SLOW)))

Definition at line 37 of file cpu_internal.h.

CPUEXT_SUFFIX_FAST

#define CPUEXT_SUFFIX_FAST	(		flags,
			suffix,
			cpuext
	)		CPUEXT_SUFFIX_FAST2(flags, suffix, cpuext, cpuext)

Definition at line 41 of file cpu_internal.h.

CPUEXT

#define CPUEXT	(		flags,
			cpuext
	)		CPUEXT_SUFFIX(flags, , cpuext)

Definition at line 43 of file cpu_internal.h.

CPUEXT_FAST

#define CPUEXT_FAST	(		flags,
			cpuext
	)		CPUEXT_SUFFIX_FAST(flags, , cpuext)

Definition at line 44 of file cpu_internal.h.

CPUEXT_SLOW

#define CPUEXT_SLOW	(		flags,
			cpuext
	)		CPUEXT_SUFFIX_SLOW(flags, , cpuext)

Definition at line 45 of file cpu_internal.h.

Function Documentation

ff_get_cpu_flags_mips()

int ff_get_cpu_flags_mips

(

void

)

Definition at line 106 of file cpu.c.

Referenced by get_cpu_flags().

ff_get_cpu_flags_aarch64()

int ff_get_cpu_flags_aarch64

(

void

)

Definition at line 148 of file cpu.c.

Referenced by get_cpu_flags().

ff_get_cpu_flags_arm()

int ff_get_cpu_flags_arm

(

void

)

Definition at line 167 of file cpu.c.

Referenced by get_cpu_flags().

ff_get_cpu_flags_ppc()

int ff_get_cpu_flags_ppc

(

void

)

This function MAY rely on signal() or fork() in order to make sure AltiVec is present.

Definition at line 64 of file cpu.c.

Referenced by get_cpu_flags().

ff_get_cpu_flags_riscv()

int ff_get_cpu_flags_riscv

(

void

)

Definition at line 48 of file cpu.c.

Referenced by get_cpu_flags().

ff_get_cpu_flags_x86()

int ff_get_cpu_flags_x86

(

void

)

Definition at line 90 of file cpu.c.

Referenced by get_cpu_flags().

ff_get_cpu_flags_loongarch()

int ff_get_cpu_flags_loongarch

(

void

)

Definition at line 41 of file cpu.c.

Referenced by get_cpu_flags().

ff_get_cpu_max_align_mips()

size_t ff_get_cpu_max_align_mips

(

void

)

Definition at line 119 of file cpu.c.

Referenced by av_cpu_max_align().

ff_get_cpu_max_align_aarch64()

size_t ff_get_cpu_max_align_aarch64

(

void

)

Definition at line 171 of file cpu.c.

Referenced by av_cpu_max_align().

ff_get_cpu_max_align_arm()

size_t ff_get_cpu_max_align_arm

(

void

)

Definition at line 180 of file cpu.c.

Referenced by av_cpu_max_align().

ff_get_cpu_max_align_ppc()

size_t ff_get_cpu_max_align_ppc

(

void

)

Definition at line 179 of file cpu.c.

Referenced by av_cpu_max_align().

ff_get_cpu_max_align_x86()

size_t ff_get_cpu_max_align_x86

(

void

)

Definition at line 257 of file cpu.c.

Referenced by av_cpu_max_align().

ff_get_cpu_max_align_loongarch()

size_t ff_get_cpu_max_align_loongarch

(

void

)

Definition at line 51 of file cpu.c.

Referenced by av_cpu_max_align().

ff_getauxval()

unsigned long ff_getauxval

(

unsigned long

type

)

Definition at line 295 of file cpu.c.

Referenced by cpu_flags_getauxval(), ff_get_cpu_flags_ppc(), and ff_get_cpu_flags_riscv().