FFmpeg
Macros
attributes.h File Reference

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Macros

#define AV_GCC_VERSION_AT_LEAST(x, y)   (__GNUC__ > (x) || __GNUC__ == (x) && __GNUC_MINOR__ >= (y))
 
#define AV_GCC_VERSION_AT_MOST(x, y)   (__GNUC__ < (x) || __GNUC__ == (x) && __GNUC_MINOR__ <= (y))
 
#define AV_HAS_BUILTIN(x)   0
 
#define av_always_inline   inline
 
#define av_extern_inline   inline
 
#define av_warn_unused_result
 
#define av_noinline
 
#define av_pure
 
#define av_const
 
#define av_cold
 
#define av_flatten
 
#define attribute_deprecated
 
#define AV_NOWARN_DEPRECATED(code)   code
 Disable warnings about deprecated features This is useful for sections of code kept for backward compatibility and scheduled for removal. More...
 
#define av_unused   __attribute__((unused))
 
#define av_used
 Mark a variable as used and prevent the compiler from optimizing it away. More...
 
#define av_alias
 
#define av_uninit(x)   x=x
 
#define av_builtin_constant_p   __builtin_constant_p
 
#define av_printf_format(fmtpos, attrpos)   __attribute__((__format__(__printf__, fmtpos, attrpos)))
 
#define av_noreturn
 

Detailed Description

Macro definitions for various function/variable attributes

Definition in file attributes.h.

Macro Definition Documentation

◆ AV_GCC_VERSION_AT_LEAST

#define AV_GCC_VERSION_AT_LEAST (   x,
 
)    (__GNUC__ > (x) || __GNUC__ == (x) && __GNUC_MINOR__ >= (y))

Definition at line 30 of file attributes.h.

◆ AV_GCC_VERSION_AT_MOST

#define AV_GCC_VERSION_AT_MOST (   x,
 
)    (__GNUC__ < (x) || __GNUC__ == (x) && __GNUC_MINOR__ <= (y))

Definition at line 31 of file attributes.h.

◆ AV_HAS_BUILTIN

#define AV_HAS_BUILTIN (   x)    0

Definition at line 40 of file attributes.h.

◆ av_always_inline

#define av_always_inline   inline

Definition at line 49 of file attributes.h.

◆ av_extern_inline

#define av_extern_inline   inline

Definition at line 57 of file attributes.h.

◆ av_warn_unused_result

#define av_warn_unused_result

Definition at line 64 of file attributes.h.

◆ av_noinline

#define av_noinline

Definition at line 72 of file attributes.h.

◆ av_pure

#define av_pure

Definition at line 78 of file attributes.h.

◆ av_const

#define av_const

Definition at line 84 of file attributes.h.

◆ av_cold

#define av_cold

Definition at line 90 of file attributes.h.

◆ av_flatten

#define av_flatten

Definition at line 96 of file attributes.h.

◆ attribute_deprecated

#define attribute_deprecated

Definition at line 104 of file attributes.h.

◆ AV_NOWARN_DEPRECATED

#define AV_NOWARN_DEPRECATED (   code)    code

Disable warnings about deprecated features This is useful for sections of code kept for backward compatibility and scheduled for removal.

Definition at line 126 of file attributes.h.

◆ av_unused

#define av_unused   __attribute__((unused))

Definition at line 131 of file attributes.h.

◆ av_used

#define av_used

Mark a variable as used and prevent the compiler from optimizing it away.

This is useful for variables accessed only from inline assembler without the compiler being aware.

Definition at line 144 of file attributes.h.

◆ av_alias

Definition at line 150 of file attributes.h.

◆ av_uninit

#define av_uninit (   x)    x=x

Definition at line 154 of file attributes.h.

◆ av_builtin_constant_p

#define av_builtin_constant_p   __builtin_constant_p

Definition at line 160 of file attributes.h.

◆ av_printf_format

#define av_printf_format (   fmtpos,
  attrpos 
)    __attribute__((__format__(__printf__, fmtpos, attrpos)))

Definition at line 161 of file attributes.h.

◆ av_noreturn

#define av_noreturn

Definition at line 170 of file attributes.h.