libavutil/intreadwrite.h File Reference

#include <stdint.h>
#include "bswap.h"

Go to the source code of this file.

Defines

#define AV_RN16(a)   (*((const uint16_t*)(a)))
#define AV_RN32(a)   (*((const uint32_t*)(a)))
#define AV_RN64(a)   (*((const uint64_t*)(a)))
#define AV_WN16(a, b)   *((uint16_t*)(a)) = (b)
#define AV_WN32(a, b)   *((uint32_t*)(a)) = (b)
#define AV_WN64(a, b)   *((uint64_t*)(a)) = (b)
#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(x)   ((((const uint8_t*)(x))[0] << 8) | ((const uint8_t*)(x))[1])
#define AV_WB16(p, d)
#define AV_RL16(x)
#define AV_WL16(p, d)
#define AV_RB24(x)
#define AV_WB24(p, d)
#define AV_RL24(x)
#define AV_WL24(p, d)
#define AV_RB32(x)
#define AV_WB32(p, d)
#define AV_RL32(x)
#define AV_WL32(p, d)
#define AV_RB64(x)
#define AV_WB64(p, d)
#define AV_RL64(x)
#define AV_WL64(p, d)


Define Documentation

#define AV_RB16 (  )     ((((const uint8_t*)(x))[0] << 8) | ((const uint8_t*)(x))[1])

#define AV_RB24 (  ) 

Value:

((((const uint8_t*)(x))[0] << 16) | \
                     (((const uint8_t*)(x))[1] <<  8) | \
                      ((const uint8_t*)(x))[2])

Definition at line 85 of file intreadwrite.h.

Referenced by decode_frame(), ffm_read_packet(), gif_read_image(), lmlm4_probe(), seqvideo_decode(), set_palette(), and xan_wc3_decode_frame().

#define AV_RB32 (  ) 

#define AV_RB64 (  ) 

Value:

(((uint64_t)((const uint8_t*)(x))[0] << 56) | \
                     ((uint64_t)((const uint8_t*)(x))[1] << 48) | \
                     ((uint64_t)((const uint8_t*)(x))[2] << 40) | \
                     ((uint64_t)((const uint8_t*)(x))[3] << 32) | \
                     ((uint64_t)((const uint8_t*)(x))[4] << 24) | \
                     ((uint64_t)((const uint8_t*)(x))[5] << 16) | \
                     ((uint64_t)((const uint8_t*)(x))[6] <<  8) | \
                      (uint64_t)((const uint8_t*)(x))[7])

Definition at line 152 of file intreadwrite.h.

Referenced by ff_asfcrypt_dec(), and rtcp_parse_packet().

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

Definition at line 52 of file intreadwrite.h.

#define AV_RL16 (  ) 

#define AV_RL24 (  ) 

Value:

((((const uint8_t*)(x))[2] << 16) | \
                     (((const uint8_t*)(x))[1] <<  8) | \
                      ((const uint8_t*)(x))[0])

Definition at line 93 of file intreadwrite.h.

Referenced by cinvideo_decode_frame().

#define AV_RL32 (  ) 

#define AV_RL64 (  ) 

Value:

(((uint64_t)((const uint8_t*)(x))[7] << 56) | \
                     ((uint64_t)((const uint8_t*)(x))[6] << 48) | \
                     ((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 170 of file intreadwrite.h.

Referenced by ff_asfcrypt_dec(), ff_decode_dxt3(), and ogm_dshow_header().

#define AV_RL8 (  )     AV_RB8(x)

Definition at line 55 of file intreadwrite.h.

Referenced by txd_decode_frame().

#define AV_RN16 (  )     (*((const uint16_t*)(a)))

Definition at line 41 of file intreadwrite.h.

Referenced by copy_block2().

#define AV_RN32 (  )     (*((const uint32_t*)(a)))

Definition at line 42 of file intreadwrite.h.

Referenced by copy_block16(), copy_block17(), copy_block4(), copy_block8(), and copy_block9().

#define AV_RN64 (  )     (*((const uint64_t*)(a)))

Definition at line 43 of file intreadwrite.h.

Referenced by intra_pred_vert().

#define AV_WB16 ( p,
 ) 

Value:

do { \
                    ((uint8_t*)(p))[1] = (d); \
                    ((uint8_t*)(p))[0] = (d)>>8; } while(0)

Definition at line 74 of file intreadwrite.h.

Referenced by adx_encode(), concatenate_packet(), dnxhd_write_header(), encode_from16(), jpeg_put_comments(), jpeg_table_header(), output_frame_end(), sp5x_decode_frame(), and text2movsub().

#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 88 of file intreadwrite.h.

Referenced by decode_frame(), and encode_frame().

#define AV_WB32 ( p,
 ) 

Value:

do { \
                    ((uint8_t*)(p))[3] = (d); \
                    ((uint8_t*)(p))[2] = (d)>>8; \
                    ((uint8_t*)(p))[1] = (d)>>16; \
                    ((uint8_t*)(p))[0] = (d)>>24; } while(0)

Definition at line 120 of file intreadwrite.h.

Referenced by adx_encode_header(), alloc_and_copy(), dnxhd_encode_picture(), dnxhd_write_header(), encode_frame(), mov_read_extradata(), mp3_header_decompress(), and mpegaudio_parse().

#define AV_WB64 ( p,
 ) 

Value:

do { \
                    ((uint8_t*)(p))[7] = (d);     \
                    ((uint8_t*)(p))[6] = (d)>>8;  \
                    ((uint8_t*)(p))[5] = (d)>>16; \
                    ((uint8_t*)(p))[4] = (d)>>24; \
                    ((uint8_t*)(p))[3] = (d)>>32; \
                    ((uint8_t*)(p))[2] = (d)>>40; \
                    ((uint8_t*)(p))[1] = (d)>>48; \
                    ((uint8_t*)(p))[0] = (d)>>56; } while(0)

Definition at line 160 of file intreadwrite.h.

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

Definition at line 53 of file intreadwrite.h.

#define AV_WL16 ( p,
 ) 

Value:

do { \
                    ((uint8_t*)(p))[0] = (d); \
                    ((uint8_t*)(p))[1] = (d)>>8; } while(0)

Definition at line 80 of file intreadwrite.h.

Referenced by ape_read_header(), decode_frame(), encode_from16(), encode_init(), siff_read_packet(), and targa_encode_frame().

#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 96 of file intreadwrite.h.

#define AV_WL32 ( p,
 ) 

Value:

do { \
                    ((uint8_t*)(p))[0] = (d); \
                    ((uint8_t*)(p))[1] = (d)>>8; \
                    ((uint8_t*)(p))[2] = (d)>>16; \
                    ((uint8_t*)(p))[3] = (d)>>24; } while(0)

Definition at line 130 of file intreadwrite.h.

Referenced by ape_read_packet(), encode_init(), fourxm_read_header(), mov_read_extradata(), png_write_chunk(), and rm_assemble_video_frame().

#define AV_WL64 ( p,
 ) 

Value:

do { \
                    ((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; \
                    ((uint8_t*)(p))[6] = (d)>>48; \
                    ((uint8_t*)(p))[7] = (d)>>56; } while(0)

Definition at line 178 of file intreadwrite.h.

Referenced by ff_asfcrypt_dec().

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

Definition at line 56 of file intreadwrite.h.

#define AV_WN16 ( a,
 )     *((uint16_t*)(a)) = (b)

Definition at line 45 of file intreadwrite.h.

Referenced by copy_block2(), and ptx_decode_frame().

#define AV_WN32 ( a,
 )     *((uint32_t*)(a)) = (b)

Definition at line 46 of file intreadwrite.h.

Referenced by copy_block16(), copy_block17(), copy_block4(), copy_block8(), and copy_block9().

#define AV_WN64 ( a,
 )     *((uint64_t*)(a)) = (b)

Definition at line 47 of file intreadwrite.h.


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