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| author | Paul B Mahol <onemda@gmail.com> | 2013-02-13 13:15:37 +0000 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2013-02-13 15:35:54 +0000 |
| commit | cf73e0bff3a28c79aa6d89eca0122c3466efda82 (patch) | |
| tree | 7306c15482073353fafd36cdaff1c60373a682f2 | |
| parent | 324d96644b571064599ecfe1f8a25f6876c6222f (diff) | |
| download | ffmpeg-cf73e0bff3a28c79aa6d89eca0122c3466efda82.tar.gz | |
lavu/intreadwrite: add AV_[RW][BLN]48
Signed-off-by: Paul B Mahol <onemda@gmail.com>
| -rw-r--r-- | libavutil/intreadwrite.h | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/libavutil/intreadwrite.h b/libavutil/intreadwrite.h index 34e21d42fa..7ee6977554 100644 --- a/libavutil/intreadwrite.h +++ b/libavutil/intreadwrite.h @@ -47,7 +47,7 @@ typedef union { /* * Arch-specific headers can provide any combination of - * AV_[RW][BLN](16|24|32|64) and AV_(COPY|SWAP|ZERO)(64|128) macros. + * AV_[RW][BLN](16|24|32|48|64) and AV_(COPY|SWAP|ZERO)(64|128) macros. * Preprocessor symbols must be defined, even if these are implemented * as inline functions. */ @@ -114,6 +114,18 @@ typedef union { # define AV_WN32(p, v) AV_WB32(p, v) # endif +# if defined(AV_RN48) && !defined(AV_RB48) +# define AV_RB48(p) AV_RN48(p) +# elif !defined(AV_RN48) && defined(AV_RB48) +# define AV_RN48(p) AV_RB48(p) +# endif + +# if defined(AV_WN48) && !defined(AV_WB48) +# define AV_WB48(p, v) AV_WN48(p, v) +# elif !defined(AV_WN48) && defined(AV_WB48) +# define AV_WN48(p, v) AV_WB48(p, v) +# endif + # if defined(AV_RN64) && !defined(AV_RB64) # define AV_RB64(p) AV_RN64(p) # elif !defined(AV_RN64) && defined(AV_RB64) @@ -164,6 +176,18 @@ typedef union { # define AV_WN32(p, v) AV_WL32(p, v) # endif +# if defined(AV_RN48) && !defined(AV_RL48) +# define AV_RL48(p) AV_RN48(p) +# elif !defined(AV_RN48) && defined(AV_RL48) +# define AV_RN48(p) AV_RL48(p) +# endif + +# if defined(AV_WN48) && !defined(AV_WL48) +# define AV_WL48(p, v) AV_WN48(p, v) +# elif !defined(AV_WN48) && defined(AV_WL48) +# define AV_WN48(p, v) AV_WL48(p, v) +# endif + # if defined(AV_RN64) && !defined(AV_RL64) # define AV_RL64(p) AV_RN64(p) # elif !defined(AV_RN64) && defined(AV_RL64) @@ -436,6 +460,48 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias; } while(0) #endif +#ifndef AV_RB48 +# define AV_RB48(x) \ + (((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]) +#endif +#ifndef AV_WB48 +# define AV_WB48(p, darg) 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) +#endif + +#ifndef AV_RL48 +# define AV_RL48(x) \ + (((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]) +#endif +#ifndef AV_WL48 +# define AV_WL48(p, darg) 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) +#endif + /* * The AV_[RW]NA macros access naturally aligned data * in a type-safe way. |