bswap.h File Reference

byte swapping routines More...

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

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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_be2ne16

(

x

)

av_bswap16(x)

Definition at line 92 of file bswap.h.

Referenced by decode_frame(), and pnm_decode_frame().

#define AV_BE2NE16C

(

x

)

AV_BE2NEC(16, x)

Definition at line 102 of file bswap.h.

#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_BE2NE32C

(

x

)

AV_BE2NEC(32, x)

Definition at line 103 of file bswap.h.

Referenced by decode_bytes().

#define av_be2ne64

(

x

)

av_bswap64(x)

Definition at line 94 of file bswap.h.

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

#define AV_BE2NE64C

(

x

)

AV_BE2NEC(64, x)

Definition at line 104 of file bswap.h.

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

Definition at line 98 of file bswap.h.

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

Definition at line 55 of file bswap.h.

#define av_le2ne16

(

x

)

(x)

Definition at line 95 of file bswap.h.

Referenced by bmp_decode_frame().

#define AV_LE2NE16C

(

x

)

AV_LE2NEC(16, x)

Definition at line 105 of file bswap.h.

#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_LE2NE32C

(

x

)

AV_LE2NEC(32, x)

Definition at line 106 of file bswap.h.

#define av_le2ne64

(

x

)

(x)

Definition at line 97 of file bswap.h.

Referenced by av_md5_final(), and ff_asfcrypt_dec().

#define AV_LE2NE64C

(

x

)

AV_LE2NEC(64, x)

Definition at line 107 of file bswap.h.

#define AV_LE2NEC	(		s,
			x
	)		(x)

Definition at line 99 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.