Macro definitions for various function/variable attributes. More...
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Macros | |
| #define | AV_GCC_VERSION_AT_LEAST(x, y) |
| #define | AV_GCC_VERSION_AT_MOST(x, y) |
| #define | AV_HAS_BUILTIN(x) |
| #define | AV_HAS_ATTRIBUTE(x) |
| #define | AV_HAS_STD_ATTRIBUTE(x) |
| #define | av_always_inline __attribute__((always_inline)) inline |
| #define | av_extern_inline inline |
| #define | av_warn_unused_result __attribute__((warn_unused_result)) |
| #define | av_noinline __attribute__((noinline)) |
| #define | av_pure __attribute__((pure)) |
| #define | av_const __attribute__((const)) |
| #define | av_cold __attribute__((cold)) |
| #define | av_flatten __attribute__((flatten)) |
| #define | attribute_deprecated __attribute__((deprecated)) |
| #define | AV_NOWARN_DEPRECATED(code) |
| Disable warnings about deprecated features This is useful for sections of code kept for backward compatibility and scheduled for removal. | |
| #define | av_unused __attribute__((unused)) |
| #define | av_used __attribute__((used)) |
| Mark a variable as used and prevent the compiler from optimizing it away. | |
| #define | av_alias __attribute__((may_alias)) |
| #define | av_uninit(x) |
| #define | av_builtin_constant_p __builtin_constant_p |
| #define | av_printf_format(fmtpos, attrpos) |
| #define | av_scanf_format(fmtpos, attrpos) |
| #define | av_noreturn __attribute__((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, | |
| y ) |
Definition at line 30 of file attributes.h.
◆ AV_GCC_VERSION_AT_MOST
| #define AV_GCC_VERSION_AT_MOST | ( | x, | |
| y ) |
Definition at line 31 of file attributes.h.
◆ AV_HAS_BUILTIN
| #define AV_HAS_BUILTIN | ( | x | ) |
Definition at line 40 of file attributes.h.
◆ AV_HAS_ATTRIBUTE
| #define AV_HAS_ATTRIBUTE | ( | x | ) |
Definition at line 46 of file attributes.h.
◆ AV_HAS_STD_ATTRIBUTE
| #define AV_HAS_STD_ATTRIBUTE | ( | x | ) |
Definition at line 59 of file attributes.h.
◆ av_always_inline
| #define av_always_inline __attribute__((always_inline)) inline |
Definition at line 64 of file attributes.h.
Referenced by av_bswap16(), av_bswap32(), av_ceil_log2_c(), av_clip64_c(), av_clip_c(), av_clip_int16_c(), av_clip_int8_c(), av_clip_intp2_c(), av_clip_uint16_c(), av_clip_uint8_c(), av_clip_uintp2_c(), av_clipd_c(), av_clipf_c(), av_clipl_int32_c(), av_double2int(), av_float2int(), av_iamf_param_definition_alloc(), av_int2double(), av_int2float(), av_inv_q(), av_parity_c(), av_popcount64_c(), av_popcount_c(), av_sat_add32_c(), av_sat_add64_c(), av_sat_dadd32_c(), av_sat_dsub32_c(), av_sat_sub32_c(), av_sat_sub64_c(), av_zero_extend_c(), and avio_tell().
◆ av_extern_inline
| #define av_extern_inline inline |
Definition at line 76 of file attributes.h.
◆ av_warn_unused_result
| #define av_warn_unused_result __attribute__((warn_unused_result)) |
Definition at line 83 of file attributes.h.
Referenced by av_audio_fifo_alloc(), av_buffersrc_add_frame(), av_buffersrc_parameters_set(), av_buffersrc_write_frame(), av_dynarray_add(), av_realloc(), avformat_init_output(), avformat_write_header(), and sws_isSupportedEndiannessConversion().
◆ av_noinline
| #define av_noinline __attribute__((noinline)) |
Definition at line 89 of file attributes.h.
◆ av_pure
| #define av_pure __attribute__((pure)) |
Definition at line 97 of file attributes.h.
Referenced by av_adler32_update(), and av_crc().
◆ av_const
| #define av_const __attribute__((const)) |
Definition at line 103 of file attributes.h.
Referenced by av_add_q(), av_bswap16(), av_bswap32(), av_bswap64(), av_ceil_log2_c(), av_clip64_c(), av_clip_c(), av_clip_int16_c(), av_clip_int8_c(), av_clip_intp2_c(), av_clip_uint16_c(), av_clip_uint8_c(), av_clip_uintp2_c(), av_clipd_c(), av_clipf_c(), av_clipl_int32_c(), av_d2q(), av_div_q(), av_gcd(), av_isdigit(), av_isgraph(), av_isspace(), av_isxdigit(), av_log2(), av_log2_16bit(), av_mul_q(), av_parity_c(), av_popcount64_c(), av_popcount_c(), av_rescale(), av_rescale_q(), av_rescale_q_rnd(), av_rescale_rnd(), av_sub_q(), av_tolower(), av_toupper(), and av_zero_extend_c().
◆ av_cold
| #define av_cold __attribute__((cold)) |
Definition at line 109 of file attributes.h.
◆ av_flatten
| #define av_flatten __attribute__((flatten)) |
Definition at line 115 of file attributes.h.
◆ attribute_deprecated
| #define attribute_deprecated __attribute__((deprecated)) |
Definition at line 123 of file attributes.h.
Referenced by av_opt_eval_q(), and av_packet_free().
◆ AV_NOWARN_DEPRECATED
| #define AV_NOWARN_DEPRECATED | ( | code | ) |
Disable warnings about deprecated features This is useful for sections of code kept for backward compatibility and scheduled for removal.
Definition at line 137 of file attributes.h.
◆ av_unused
| #define av_unused __attribute__((unused)) |
Definition at line 156 of file attributes.h.
◆ av_used
| #define av_used __attribute__((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 167 of file attributes.h.
◆ av_alias
| union unaligned_16 av_alias __attribute__((may_alias)) |
Definition at line 173 of file attributes.h.
◆ av_uninit
| #define av_uninit | ( | x | ) |
Definition at line 179 of file attributes.h.
◆ av_builtin_constant_p
| #define av_builtin_constant_p __builtin_constant_p |
Definition at line 185 of file attributes.h.
◆ av_printf_format
| #define av_printf_format | ( | fmtpos, | |
| attrpos ) |
Definition at line 210 of file attributes.h.
Referenced by av_asprintf(), av_bprintf(), av_log(), av_log_once(), av_strlcatf(), and avio_printf().
◆ av_scanf_format
| #define av_scanf_format | ( | fmtpos, | |
| attrpos ) |
Definition at line 216 of file attributes.h.
Referenced by av_sscanf().
◆ av_noreturn
| #define av_noreturn __attribute__((noreturn)) |
Definition at line 222 of file attributes.h.
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