FFmpeg: libavutil/bswap.h File Reference

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libavutil

Macros | Functions

bswap.h File Reference

byte swapping routines More...

#include <stdint.h>
#include "libavutil/avconfig.h"
#include "attributes.h"
#include "config.h"

Go to the source code of this file.

Macros

#define AV_BSWAP16C(x) (((x) << 8 & 0xff00) | ((x) >> 8 & 0x00ff))

#define AV_BSWAP32C(x) (AV_BSWAP16C(x) << 16 | AV_BSWAP16C((x) >> 16))

#define AV_BSWAP64C(x) (AV_BSWAP32C(x) << 32 | AV_BSWAP32C((x) >> 32))

#define AV_BSWAPC(s, x) AV_BSWAP##s##C(x)

#define av_be2ne16(x) av_bswap16(x)

#define av_be2ne32(x) av_bswap32(x)

#define av_be2ne64(x) av_bswap64(x)

#define av_le2ne16(x) (x)

#define av_le2ne32(x) (x)

#define av_le2ne64(x) (x)

#define AV_BE2NEC(s, x) AV_BSWAPC(s, x)

#define AV_LE2NEC(s, x) (x)

#define AV_BE2NE16C(x) AV_BE2NEC(16, x)

#define AV_BE2NE32C(x) AV_BE2NEC(32, x)

#define AV_BE2NE64C(x) AV_BE2NEC(64, x)

#define AV_LE2NE16C(x) AV_LE2NEC(16, x)

#define AV_LE2NE32C(x) AV_LE2NEC(32, x)

#define AV_LE2NE64C(x) AV_LE2NEC(64, x)

Functions

static av_always_inline
av_const uint16_t av_bswap16 (uint16_t x)

static av_always_inline
av_const uint32_t av_bswap32 (uint32_t x)

static uint64_t av_const av_bswap64 (uint64_t x)

Detailed Description

byte swapping routines

Definition in file bswap.h.

Macro Definition Documentation

#define AV_BSWAP16C ( x ) (((x) << 8 & 0xff00) | ((x) >> 8 & 0x00ff))

Definition at line 51 of file bswap.h.

Referenced by ff_spdif_probe(), and ff_spdif_read_packet().

#define AV_BSWAP32C ( x ) (AV_BSWAP16C(x) << 16 | AV_BSWAP16C((x) >> 16))

Definition at line 52 of file bswap.h.

Referenced by av_bswap32().

#define AV_BSWAP64C ( x ) (AV_BSWAP32C(x) << 32 | AV_BSWAP32C((x) >> 32))

Definition at line 53 of file bswap.h.

#define AV_BSWAPC ( s,

) AV_BSWAP##s##C(x)

Definition at line 55 of file bswap.h.

#define av_be2ne16 ( x ) av_bswap16(x)

Definition at line 92 of file bswap.h.

Referenced by decode_frame(), and pnm_decode_frame().

#define av_be2ne32 ( x ) av_bswap32(x)

Definition at line 93 of file bswap.h.

Referenced by av_base64_decode(), decode_bytes(), and decode_frame().

#define av_be2ne64 ( x ) av_bswap64(x)

Definition at line 94 of file bswap.h.

Referenced by aac_sync(), ac3_sync(), av_sha512_final(), av_sha_final(), and get_packetheader().

#define av_le2ne16 ( x ) (x)

Definition at line 95 of file bswap.h.

Referenced by bmp_decode_frame().

#define av_le2ne32 ( x ) (x)

Definition at line 96 of file bswap.h.

Referenced by av_crc(), decode_frame(), encode_init(), extract_header(), mkv_write_tracks(), and smacker_read_header().

#define av_le2ne64 ( x ) (x)

Definition at line 97 of file bswap.h.

Referenced by av_md5_final(), av_ripemd_final(), and ff_asfcrypt_dec().

#define AV_BE2NEC ( s,

) AV_BSWAPC(s, x)

Definition at line 98 of file bswap.h.

#define AV_LE2NEC ( s,

) (x)

Definition at line 99 of file bswap.h.

#define AV_BE2NE16C ( x ) AV_BE2NEC(16, x)

Definition at line 102 of file bswap.h.

#define AV_BE2NE32C ( x ) AV_BE2NEC(32, x)

Definition at line 103 of file bswap.h.

Referenced by decode_bytes().

#define AV_BE2NE64C ( x ) AV_BE2NEC(64, x)

Definition at line 104 of file bswap.h.

#define AV_LE2NE16C ( x ) AV_LE2NEC(16, x)

Definition at line 105 of file bswap.h.

#define AV_LE2NE32C ( x ) AV_LE2NEC(32, x)

Definition at line 106 of file bswap.h.

#define AV_LE2NE64C ( x ) AV_LE2NEC(64, x)

Definition at line 107 of file bswap.h.

Function Documentation

static av_always_inline av_const uint16_t av_bswap16 ( uint16_t x )

static

Definition at line 58 of file bswap.h.

static av_always_inline av_const uint32_t av_bswap32 ( uint32_t x )

static

Definition at line 66 of file bswap.h.

Referenced by av_bswap64().

static uint64_t av_const av_bswap64 ( uint64_t x )

inlinestatic

Definition at line 73 of file bswap.h.

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