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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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15
vp4c.h
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@ -22,10 +22,6 @@
- email : powturbo [_AT_] gmail [_DOT_] com
**/
// "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
extern "C" {
@ -38,8 +34,8 @@ unsigned char *p4enc128v32( unsigned *__restrict in, unsigned n, unsigned
unsigned char *p4enc256v32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out); // SIMD (Vertical bitpacking)
unsigned char *p4enc64( uint64_t *__restrict in, unsigned n, unsigned char *__restrict out);
unsigned char *p4encx16( unsigned short *__restrict in, unsigned n, unsigned char *__restrict out);// Direct access
unsigned char *p4encx32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out);
unsigned char *p4encx16( unsigned short *__restrict in, unsigned n, unsigned char *__restrict out);// Direct access
unsigned char *p4encx32( unsigned *__restrict in, unsigned n, unsigned char *__restrict out);
// same as p4denc, but with b and bx as parameters. Call after _p4d16,_p4d32,_p4d64
unsigned char *_p4enc16( unsigned short *__restrict in, unsigned n, unsigned char *__restrict out, unsigned b, unsigned bx);
@ -54,3 +50,10 @@ unsigned _p4bits64( uint64_t *__restrict in, unsigned n, unsigned
#ifdef __cplusplus
}
#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)