FFmpeg
Data Structures | Macros | Variables
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  av_alias
 
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_RL64A(p)   AV_RLA(64, p)
 
#define AV_WL64A(p, v)   AV_WLA(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 224 of file intreadwrite.h.

◆ AV_WN

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

Definition at line 225 of file intreadwrite.h.

◆ AV_RN16

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

Definition at line 360 of file intreadwrite.h.

◆ AV_RN32

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

Definition at line 364 of file intreadwrite.h.

◆ AV_RN64

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

Definition at line 368 of file intreadwrite.h.

◆ AV_WN16

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

Definition at line 372 of file intreadwrite.h.

◆ AV_WN32

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

Definition at line 376 of file intreadwrite.h.

◆ AV_WN64

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

Definition at line 380 of file intreadwrite.h.

◆ AV_RB

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

Definition at line 389 of file intreadwrite.h.

◆ AV_WB

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

Definition at line 390 of file intreadwrite.h.

◆ AV_RL

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

Definition at line 391 of file intreadwrite.h.

◆ AV_WL

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

Definition at line 392 of file intreadwrite.h.

◆ AV_RB8

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

Definition at line 395 of file intreadwrite.h.

◆ AV_WB8

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

Definition at line 396 of file intreadwrite.h.

◆ AV_RL8

#define AV_RL8 (   x)    AV_RB8(x)

Definition at line 398 of file intreadwrite.h.

◆ AV_WL8

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

Definition at line 399 of file intreadwrite.h.

◆ AV_RB16

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

Definition at line 402 of file intreadwrite.h.

◆ AV_WB16

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

Definition at line 405 of file intreadwrite.h.

◆ AV_RL16

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

Definition at line 409 of file intreadwrite.h.

◆ AV_WL16

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

Definition at line 412 of file intreadwrite.h.

◆ AV_RB32

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

Definition at line 416 of file intreadwrite.h.

◆ AV_WB32

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

Definition at line 419 of file intreadwrite.h.

◆ AV_RL32

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

Definition at line 423 of file intreadwrite.h.

◆ AV_WL32

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

Definition at line 426 of file intreadwrite.h.

◆ AV_RB64

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

Definition at line 430 of file intreadwrite.h.

◆ AV_WB64

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

Definition at line 433 of file intreadwrite.h.

◆ AV_RL64

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

Definition at line 437 of file intreadwrite.h.

◆ AV_WL64

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

Definition at line 440 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 444 of file intreadwrite.h.

◆ AV_WB24

#define AV_WB24 (   p,
  d 
)
Value:
do { \
((uint8_t*)(p))[2] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
((uint8_t*)(p))[0] = (d)>>16; \
} while(0)

Definition at line 450 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 458 of file intreadwrite.h.

◆ AV_WL24

#define AV_WL24 (   p,
  d 
)
Value:
do { \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
((uint8_t*)(p))[2] = (d)>>16; \
} while(0)

Definition at line 464 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 472 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 481 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 493 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 502 of file intreadwrite.h.

◆ AV_RNA

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

Definition at line 518 of file intreadwrite.h.

◆ AV_WNA

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

Definition at line 519 of file intreadwrite.h.

◆ AV_RN16A

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

Definition at line 522 of file intreadwrite.h.

◆ AV_RN32A

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

Definition at line 526 of file intreadwrite.h.

◆ AV_RN64A

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

Definition at line 530 of file intreadwrite.h.

◆ AV_WN16A

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

Definition at line 534 of file intreadwrite.h.

◆ AV_WN32A

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

Definition at line 538 of file intreadwrite.h.

◆ AV_WN64A

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

Definition at line 542 of file intreadwrite.h.

◆ AV_RLA

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

Definition at line 549 of file intreadwrite.h.

◆ AV_WLA

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

Definition at line 550 of file intreadwrite.h.

◆ AV_RL64A

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

Definition at line 554 of file intreadwrite.h.

◆ AV_WL64A

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

Definition at line 557 of file intreadwrite.h.

◆ AV_COPYU

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

Definition at line 565 of file intreadwrite.h.

◆ AV_COPY16U

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

Definition at line 568 of file intreadwrite.h.

◆ AV_COPY32U

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

Definition at line 572 of file intreadwrite.h.

◆ AV_COPY64U

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

Definition at line 576 of file intreadwrite.h.

◆ AV_COPY128U

#define AV_COPY128U (   d,
  s 
)
Value:
do { \
AV_COPY64U(d, s); \
AV_COPY64U((char *)(d) + 8, (const char *)(s) + 8); \
} while(0)

Definition at line 580 of file intreadwrite.h.

◆ AV_COPY

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

Definition at line 593 of file intreadwrite.h.

◆ AV_COPY16

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

Definition at line 597 of file intreadwrite.h.

◆ AV_COPY32

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

Definition at line 601 of file intreadwrite.h.

◆ AV_COPY64

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

Definition at line 605 of file intreadwrite.h.

◆ AV_COPY128

#define AV_COPY128 (   d,
  s 
)
Value:
do { \
AV_COPY64(d, s); \
AV_COPY64((char*)(d)+8, (char*)(s)+8); \
} while(0)

Definition at line 609 of file intreadwrite.h.

◆ AV_SWAP

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

Definition at line 616 of file intreadwrite.h.

◆ AV_SWAP64

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

Definition at line 619 of file intreadwrite.h.

◆ AV_ZERO

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

Definition at line 622 of file intreadwrite.h.

◆ AV_ZERO16

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

Definition at line 625 of file intreadwrite.h.

◆ AV_ZERO32

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

Definition at line 629 of file intreadwrite.h.

◆ AV_ZERO64

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

Definition at line 633 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 637 of file intreadwrite.h.

Variable Documentation

◆ av_alias

s
#define s(width, name)
Definition: cbs_vp9.c:257
d
d
Definition: ffmpeg_filter.c:156