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TurboPFor: TurboPFor encode c/c++ header

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2017-01-05 12:51:37 +01:00
parent e282062477
commit 255d44aa4f
1 changed files with 9 additions and 6 deletions
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11
vp4c.h
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@ -23,10 +23,6 @@
**/ **/
// "Integer Compression" TurboPfor (see vp4dd.h for decompression) // "Integer Compression" TurboPfor (see vp4dd.h for decompression)
#define P4EB(_b_) (_b_ << 1)
#define P4EBX(_b_, _bx_) (_bx_ << 8 | _b_ << 1 | 1)
#define P4SAVE(_out_, _b_, _bx_) do { if(!_bx_) *_out_++ = P4EB(_b_);else *(unsigned short *)_out_ = P4EBX(_b_, _bx_), _out_ += 2; } while(0)
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
@ -54,3 +50,10 @@ unsigned _p4bits64( uint64_t *__restrict in, unsigned n, unsigned
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif
#define P4D_MAX 256
#define P4EB(_b_) (_b_ << 1)
#define P4EBX(_b_, _bx_) (_bx_ << 8 | _b_ << 1 | 1)
#define P4SAVE(_out_, _b_, _bx_) do { if(!_bx_) *_out_++ = P4EB(_b_);else *(unsigned short *)_out_ = P4EBX(_b_, _bx_), _out_ += 2; } while(0)