FFmpeg: libavutil/intreadwrite.h File Reference

FFmpeg

libavutil

intreadwrite.h File Reference

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

Go to the source code of this file.

Data Structures

union av_alias

union unaligned_64

union unaligned_32

union unaligned_16

Macros

#define AV_RN(s, p) (((const union unaligned_##s *) (p))->l)

#define AV_WN(s, p, v) ((((union unaligned_##s *) (p))->l) = (v))

#define AV_RN16(p) AV_RN(16, p)

#define AV_RN32(p) AV_RN(32, p)

#define AV_RN64(p) AV_RN(64, p)

#define AV_WN16(p, v) AV_WN(16, p, v)

#define AV_WN32(p, v) AV_WN(32, p, v)

#define AV_WN64(p, v) AV_WN(64, p, v)

#define AV_RB(s, p) av_bswap##s(AV_RN##s(p))

#define AV_WB(s, p, v) AV_WN##s(p, av_bswap##s(v))

#define AV_RL(s, p) AV_RN##s(p)

#define AV_WL(s, p, v) AV_WN##s(p, v)

#define AV_RB8(x) (((const uint8_t*)(x))[0])

#define AV_WB8(p, d) do { ((uint8_t*)(p))[0] = (d); } while(0)

#define AV_RL8(x) AV_RB8(x)

#define AV_WL8(p, d) AV_WB8(p, d)

#define AV_RB16(p) AV_RB(16, p)

#define AV_WB16(p, v) AV_WB(16, p, v)

#define AV_RL16(p) AV_RL(16, p)

#define AV_WL16(p, v) AV_WL(16, p, v)

#define AV_RB32(p) AV_RB(32, p)

#define AV_WB32(p, v) AV_WB(32, p, v)

#define AV_RL32(p) AV_RL(32, p)

#define AV_WL32(p, v) AV_WL(32, p, v)

#define AV_RB64(p) AV_RB(64, p)

#define AV_WB64(p, v) AV_WB(64, p, v)

#define AV_RL64(p) AV_RL(64, p)

#define AV_WL64(p, v) AV_WL(64, p, v)

#define AV_RB24(x)

#define AV_WB24(p, d)

#define AV_RL24(x)

#define AV_WL24(p, d)

#define AV_RB48(x)

#define AV_WB48(p, darg)

#define AV_RL48(x)

#define AV_WL48(p, darg)

#define AV_RNA(s, p) (((const av_alias##s*)(p))->u##s)

#define AV_WNA(s, p, v) (((av_alias##s*)(p))->u##s = (v))

#define AV_RN16A(p) AV_RNA(16, p)

#define AV_RN32A(p) AV_RNA(32, p)

#define AV_RN64A(p) AV_RNA(64, p)

#define AV_WN16A(p, v) AV_WNA(16, p, v)

#define AV_WN32A(p, v) AV_WNA(32, p, v)

#define AV_WN64A(p, v) AV_WNA(64, p, v)

#define AV_RLA(s, p) AV_RN##s##A(p)

#define AV_WLA(s, p, v) AV_WN##s##A(p, v)

#define AV_RBA(s, p) av_bswap##s(AV_RN##s##A(p))

#define AV_WBA(s, p, v) AV_WN##s##A(p, av_bswap##s(v))

#define AV_RL16A(p) AV_RLA(16, p)

#define AV_WL16A(p, v) AV_WLA(16, p, v)

#define AV_RB16A(p) AV_RBA(16, p)

#define AV_WB16A(p, v) AV_WBA(16, p, v)

#define AV_RL32A(p) AV_RLA(32, p)

#define AV_WL32A(p, v) AV_WLA(32, p, v)

#define AV_RB32A(p) AV_RBA(32, p)

#define AV_WB32A(p, v) AV_WBA(32, p, v)

#define AV_RL64A(p) AV_RLA(64, p)

#define AV_WL64A(p, v) AV_WLA(64, p, v)

#define AV_RB64A(p) AV_RBA(64, p)

#define AV_WB64A(p, v) AV_WBA(64, p, v)

#define AV_COPYU(n, d, s) AV_WN##n(d, AV_RN##n(s));

#define AV_COPY16U(d, s) AV_COPYU(16, d, s)

#define AV_COPY32U(d, s) AV_COPYU(32, d, s)

#define AV_COPY64U(d, s) AV_COPYU(64, d, s)

#define AV_COPY128U(d, s)

#define AV_COPY(n, d, s) (((av_alias##n*)(d))->u##n = ((const av_alias##n*)(s))->u##n)

#define AV_COPY16(d, s) AV_COPY(16, d, s)

#define AV_COPY32(d, s) AV_COPY(32, d, s)

#define AV_COPY64(d, s) AV_COPY(64, d, s)

#define AV_COPY128(d, s)

#define AV_SWAP(n, a, b) FFSWAP(av_alias##n, *(av_alias##n*)(a), *(av_alias##n*)(b))

#define AV_SWAP64(a, b) AV_SWAP(64, a, b)

#define AV_ZERO(n, d) (((av_alias##n*)(d))->u##n = 0)

#define AV_ZERO16(d) AV_ZERO(16, d)

#define AV_ZERO32(d) AV_ZERO(32, d)

#define AV_ZERO64(d) AV_ZERO(64, d)

#define AV_ZERO128(d)

Variables

union unaligned_64 av_alias

Macro Definition Documentation

◆ AV_RN

#define AV_RN ( s,

) (((const union unaligned_##s *) (p))->l)

Definition at line 220 of file intreadwrite.h.

◆ AV_WN

#define AV_WN ( s,

) ((((union unaligned_##s *) (p))->l) = (v))

Definition at line 221 of file intreadwrite.h.

◆ AV_RN16

#define AV_RN16 ( p ) AV_RN(16, p)

Definition at line 356 of file intreadwrite.h.

◆ AV_RN32

#define AV_RN32 ( p ) AV_RN(32, p)

Definition at line 360 of file intreadwrite.h.

◆ AV_RN64

#define AV_RN64 ( p ) AV_RN(64, p)

Definition at line 364 of file intreadwrite.h.

◆ AV_WN16

#define AV_WN16 ( p,

) AV_WN(16, p, v)

Definition at line 368 of file intreadwrite.h.

◆ AV_WN32

#define AV_WN32 ( p,

) AV_WN(32, p, v)

Definition at line 372 of file intreadwrite.h.

◆ AV_WN64

#define AV_WN64 ( p,

) AV_WN(64, p, v)

Definition at line 376 of file intreadwrite.h.

◆ AV_RB

#define AV_RB ( s,

) av_bswap##s(AV_RN##s(p))

Definition at line 385 of file intreadwrite.h.

◆ AV_WB

#define AV_WB ( s,

) AV_WN##s(p, av_bswap##s(v))

Definition at line 386 of file intreadwrite.h.

◆ AV_RL

#define AV_RL ( s,

) AV_RN##s(p)

Definition at line 387 of file intreadwrite.h.

◆ AV_WL

#define AV_WL ( s,

) AV_WN##s(p, v)

Definition at line 388 of file intreadwrite.h.

◆ AV_RB8

#define AV_RB8 ( x ) (((const uint8_t*)(x))[0])

Definition at line 391 of file intreadwrite.h.

◆ AV_WB8

#define AV_WB8 ( p,

) do { ((uint8_t*)(p))[0] = (d); } while(0)

Definition at line 392 of file intreadwrite.h.

◆ AV_RL8

#define AV_RL8 ( x ) AV_RB8(x)

Definition at line 394 of file intreadwrite.h.

◆ AV_WL8

#define AV_WL8 ( p,

) AV_WB8(p, d)

Definition at line 395 of file intreadwrite.h.

◆ AV_RB16

#define AV_RB16 ( p ) AV_RB(16, p)

Definition at line 398 of file intreadwrite.h.

◆ AV_WB16

#define AV_WB16 ( p,

) AV_WB(16, p, v)

Definition at line 401 of file intreadwrite.h.

◆ AV_RL16

#define AV_RL16 ( p ) AV_RL(16, p)

Definition at line 405 of file intreadwrite.h.

◆ AV_WL16

#define AV_WL16 ( p,

) AV_WL(16, p, v)

Definition at line 408 of file intreadwrite.h.

◆ AV_RB32

#define AV_RB32 ( p ) AV_RB(32, p)

Definition at line 412 of file intreadwrite.h.

◆ AV_WB32

#define AV_WB32 ( p,

) AV_WB(32, p, v)

Definition at line 415 of file intreadwrite.h.

◆ AV_RL32

#define AV_RL32 ( p ) AV_RL(32, p)

Definition at line 419 of file intreadwrite.h.

◆ AV_WL32

#define AV_WL32 ( p,

) AV_WL(32, p, v)

Definition at line 422 of file intreadwrite.h.

◆ AV_RB64

#define AV_RB64 ( p ) AV_RB(64, p)

Definition at line 426 of file intreadwrite.h.

◆ AV_WB64

#define AV_WB64 ( p,

) AV_WB(64, p, v)

Definition at line 429 of file intreadwrite.h.

◆ AV_RL64

#define AV_RL64 ( p ) AV_RL(64, p)

Definition at line 433 of file intreadwrite.h.

◆ AV_WL64

#define AV_WL64 ( p,

) AV_WL(64, p, v)

Definition at line 436 of file intreadwrite.h.

◆ AV_RB24

#define AV_RB24 ( x )

Value:

((((const uint8_t*)(x))[0] << 16) | \

(((const uint8_t*)(x))[1] << 8) | \

((const uint8_t*)(x))[2])

Definition at line 440 of file intreadwrite.h.

◆ AV_WB24

#define AV_WB24 ( p,

)

Value:

do { \

((uint8_t*)(p))[2] = (d); \

((uint8_t*)(p))[1] = (d)>>8; \

((uint8_t*)(p))[0] = (d)>>16; \

} while(0)

Definition at line 446 of file intreadwrite.h.

◆ AV_RL24

#define AV_RL24 ( x )

Value:

((((const uint8_t*)(x))[2] << 16) | \

(((const uint8_t*)(x))[1] << 8) | \

((const uint8_t*)(x))[0])

Definition at line 454 of file intreadwrite.h.

◆ AV_WL24

#define AV_WL24 ( p,

)

Value:

do { \

((uint8_t*)(p))[0] = (d); \

((uint8_t*)(p))[1] = (d)>>8; \

((uint8_t*)(p))[2] = (d)>>16; \

} while(0)

Definition at line 460 of file intreadwrite.h.

◆ AV_RB48

#define AV_RB48 ( x )

Value:

(((uint64_t)((const uint8_t*)(x))[0] << 40) | \

((uint64_t)((const uint8_t*)(x))[1] << 32) | \

((uint64_t)((const uint8_t*)(x))[2] << 24) | \

((uint64_t)((const uint8_t*)(x))[3] << 16) | \

((uint64_t)((const uint8_t*)(x))[4] << 8) | \

(uint64_t)((const uint8_t*)(x))[5])

Definition at line 468 of file intreadwrite.h.

◆ AV_WB48

#define AV_WB48 ( p,

darg

)

Value:

do { \

uint64_t d = (darg); \

((uint8_t*)(p))[5] = (d); \

((uint8_t*)(p))[4] = (d)>>8; \

((uint8_t*)(p))[3] = (d)>>16; \

((uint8_t*)(p))[2] = (d)>>24; \

((uint8_t*)(p))[1] = (d)>>32; \

((uint8_t*)(p))[0] = (d)>>40; \

} while(0)

Definition at line 477 of file intreadwrite.h.

◆ AV_RL48

#define AV_RL48 ( x )

Value:

(((uint64_t)((const uint8_t*)(x))[5] << 40) | \

((uint64_t)((const uint8_t*)(x))[4] << 32) | \

((uint64_t)((const uint8_t*)(x))[3] << 24) | \

((uint64_t)((const uint8_t*)(x))[2] << 16) | \

((uint64_t)((const uint8_t*)(x))[1] << 8) | \

(uint64_t)((const uint8_t*)(x))[0])

Definition at line 489 of file intreadwrite.h.

◆ AV_WL48

#define AV_WL48 ( p,

darg

)

Value:

do { \

uint64_t d = (darg); \

((uint8_t*)(p))[0] = (d); \

((uint8_t*)(p))[1] = (d)>>8; \

((uint8_t*)(p))[2] = (d)>>16; \

((uint8_t*)(p))[3] = (d)>>24; \

((uint8_t*)(p))[4] = (d)>>32; \

((uint8_t*)(p))[5] = (d)>>40; \

} while(0)

Definition at line 498 of file intreadwrite.h.

◆ AV_RNA

#define AV_RNA ( s,

) (((const av_alias##s*)(p))->u##s)

Definition at line 514 of file intreadwrite.h.

◆ AV_WNA

#define AV_WNA ( s,

) (((av_alias##s*)(p))->u##s = (v))

Definition at line 515 of file intreadwrite.h.

◆ AV_RN16A

#define AV_RN16A ( p ) AV_RNA(16, p)

Definition at line 518 of file intreadwrite.h.

◆ AV_RN32A

#define AV_RN32A ( p ) AV_RNA(32, p)

Definition at line 522 of file intreadwrite.h.

◆ AV_RN64A

#define AV_RN64A ( p ) AV_RNA(64, p)

Definition at line 526 of file intreadwrite.h.

◆ AV_WN16A

#define AV_WN16A ( p,

) AV_WNA(16, p, v)

Definition at line 530 of file intreadwrite.h.

◆ AV_WN32A

#define AV_WN32A ( p,

) AV_WNA(32, p, v)

Definition at line 534 of file intreadwrite.h.

◆ AV_WN64A

#define AV_WN64A ( p,

) AV_WNA(64, p, v)

Definition at line 538 of file intreadwrite.h.

◆ AV_RLA

#define AV_RLA ( s,

) AV_RN##s##A(p)

Definition at line 547 of file intreadwrite.h.

◆ AV_WLA

#define AV_WLA ( s,

) AV_WN##s##A(p, v)

Definition at line 548 of file intreadwrite.h.

◆ AV_RBA

#define AV_RBA ( s,

) av_bswap##s(AV_RN##s##A(p))

Definition at line 549 of file intreadwrite.h.

◆ AV_WBA

#define AV_WBA ( s,

) AV_WN##s##A(p, av_bswap##s(v))

Definition at line 550 of file intreadwrite.h.

◆ AV_RL16A

#define AV_RL16A ( p ) AV_RLA(16, p)

Definition at line 554 of file intreadwrite.h.

◆ AV_WL16A

#define AV_WL16A ( p,

) AV_WLA(16, p, v)

Definition at line 557 of file intreadwrite.h.

◆ AV_RB16A

#define AV_RB16A ( p ) AV_RBA(16, p)

Definition at line 561 of file intreadwrite.h.

◆ AV_WB16A

#define AV_WB16A ( p,

) AV_WBA(16, p, v)

Definition at line 564 of file intreadwrite.h.

◆ AV_RL32A

#define AV_RL32A ( p ) AV_RLA(32, p)

Definition at line 568 of file intreadwrite.h.

◆ AV_WL32A

#define AV_WL32A ( p,

) AV_WLA(32, p, v)

Definition at line 571 of file intreadwrite.h.

◆ AV_RB32A

#define AV_RB32A ( p ) AV_RBA(32, p)

Definition at line 575 of file intreadwrite.h.

◆ AV_WB32A

#define AV_WB32A ( p,

) AV_WBA(32, p, v)

Definition at line 578 of file intreadwrite.h.

◆ AV_RL64A

#define AV_RL64A ( p ) AV_RLA(64, p)

Definition at line 582 of file intreadwrite.h.

◆ AV_WL64A

#define AV_WL64A ( p,

) AV_WLA(64, p, v)

Definition at line 585 of file intreadwrite.h.

◆ AV_RB64A

#define AV_RB64A ( p ) AV_RBA(64, p)

Definition at line 589 of file intreadwrite.h.

◆ AV_WB64A

#define AV_WB64A ( p,

) AV_WBA(64, p, v)

Definition at line 592 of file intreadwrite.h.

◆ AV_COPYU

#define AV_COPYU ( n,

) AV_WN##n(d, AV_RN##n(s));

Definition at line 600 of file intreadwrite.h.

◆ AV_COPY16U

#define AV_COPY16U ( d,

) AV_COPYU(16, d, s)

Definition at line 603 of file intreadwrite.h.

◆ AV_COPY32U

#define AV_COPY32U ( d,

) AV_COPYU(32, d, s)

Definition at line 607 of file intreadwrite.h.

◆ AV_COPY64U

#define AV_COPY64U ( d,

) AV_COPYU(64, d, s)

Definition at line 611 of file intreadwrite.h.

◆ AV_COPY128U

#define AV_COPY128U ( d,

)

Value:

do { \

AV_COPY64U(d, s); \

AV_COPY64U((char *)(d) + 8, (const char *)(s) + 8); \

} while(0)

Definition at line 615 of file intreadwrite.h.

◆ AV_COPY

#define AV_COPY ( n,

) (((av_alias##n*)(d))->u##n = ((const av_alias##n*)(s))->u##n)

Definition at line 626 of file intreadwrite.h.

◆ AV_COPY16

#define AV_COPY16 ( d,

) AV_COPY(16, d, s)

Definition at line 630 of file intreadwrite.h.

◆ AV_COPY32

#define AV_COPY32 ( d,

) AV_COPY(32, d, s)

Definition at line 634 of file intreadwrite.h.

◆ AV_COPY64

#define AV_COPY64 ( d,

) AV_COPY(64, d, s)

Definition at line 638 of file intreadwrite.h.

◆ AV_COPY128

#define AV_COPY128 ( d,

)

Value:

do { \

AV_COPY64(d, s); \

AV_COPY64((char*)(d)+8, (char*)(s)+8); \

} while(0)

Definition at line 642 of file intreadwrite.h.

◆ AV_SWAP

#define AV_SWAP ( n,

) FFSWAP(av_alias##n, *(av_alias##n*)(a), *(av_alias##n*)(b))

Definition at line 649 of file intreadwrite.h.

◆ AV_SWAP64

#define AV_SWAP64 ( a,

) AV_SWAP(64, a, b)

Definition at line 652 of file intreadwrite.h.

◆ AV_ZERO

#define AV_ZERO ( n,

) (((av_alias##n*)(d))->u##n = 0)

Definition at line 655 of file intreadwrite.h.

◆ AV_ZERO16

#define AV_ZERO16 ( d ) AV_ZERO(16, d)

Definition at line 658 of file intreadwrite.h.

◆ AV_ZERO32

#define AV_ZERO32 ( d ) AV_ZERO(32, d)

Definition at line 662 of file intreadwrite.h.

◆ AV_ZERO64

#define AV_ZERO64 ( d ) AV_ZERO(64, d)

Definition at line 666 of file intreadwrite.h.

◆ AV_ZERO128

#define AV_ZERO128 ( d )

Value:

do { \

AV_ZERO64(d); \

AV_ZERO64((char*)(d)+8); \

} while(0)

Definition at line 670 of file intreadwrite.h.

Variable Documentation

◆ av_alias

union unaligned_16 av_alias

#define s(width, name)

Definition: cbs_vp9.c:198

Windows::Graphics::DirectX::Direct3D11::p

IDirect3DDxgiInterfaceAccess _COM_Outptr_ void ** p

Definition: vsrc_gfxcapture_winrt.hpp:53

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