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rc_.c
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rc_.c
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/**
Copyright (C) powturbo 2013-2023
GPL v3 License
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- homepage : https://sites.google.com/site/powturbo/
- github : https://github.com/powturbo
- twitter : https://twitter.com/powturbo
- email : powturbo [_AT_] gmail [_DOT_] com
**/
// Turbo Range Coder: templates include
// Symbols: 8,16,32 bits integers 16/32 floating point,
// Coding: structured/segmented, gamma, rice, Turbo vlc (variable length coding for large integers)
// Order: 0,1,2,sliding context
// predictor: context,zigzag delta, context mixing
#include <string.h>
#include "include/turborc.h"
#include "mb_o0.h" // order 0
#include "rcutil_.h"
//---- order 0 byte (8 bits) adaptive - bitwise encode/decode -------------------------------
size_t T3(rc,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
rcdecdec(rcrange,rccode, ip);
MBU_DEC1(mb,1<<8);
for(op = out; op < out+outlen; op++)
mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1,ip, *op);
return outlen;
}
size_t T3(rc,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned char *op = out, *ip;
rcencdec(rcrange,rclow,rcilow); // range coder
MBU_DEC1(mb,1<<8); // predictor
for(ip = in; ip < in+inlen; ip++) {
unsigned x = ip[0];
mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1,op, x); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
//--- order0 : 16 bits -----------------------
size_t T3(rc,RC_PRD,enc16)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint16_t *in = (uint16_t *)_in, *ip, cx;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC1(mb1, 1<<8);
MBU_DEC2(mb0, 1<<8, 1<<8);
for(ip = in; ip < in+inlen; ip++) {
uint16_t r = ip[0];
mb8enc(rcrange,rclow,rcilow, mb1, RCPRM0,RCPRM1, op, cx=r>>8);
mb8enc(rcrange,rclow,rcilow, mb0[cx], RCPRM0,RCPRM1, op, (uint8_t)r);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rc,RC_PRD,dec16)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint16_t *out = (uint16_t *)_out, *op, cx;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBU_DEC1(mb1, 1<<8);
MBU_DEC2(mb0, 1<<8, 1<<8);
for(op = out; op < out+outlen; op++) {
unsigned ch;
mb8dec(rcrange,rccode, mb1, RCPRM0,RCPRM1, ip, ch);
mb8dec(rcrange,rccode, mb0[ch],RCPRM0,RCPRM1, ip, cx);
*op = ch << 8 | cx;
}
return _outlen;
}
//---Order0 : 32 bits -----------------------
#define XN1 10
size_t T3(rc,RC_PRD,enc32)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint32_t *in = (uint32_t *)_in, *ip, cx = 0;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC1(mb3, 1<< 8);
MBU_DEC2(mb2, 1<< 8, 1<<8);
MBU_DEC2(mb1, 1<<XN1, 1<<8);
MBU_DEC2(mb0, 1<<XN1, 1<<8);
for(ip = in; ip < in+inlen; ip++) {
uint32_t r = ip[0],x;
mb8enc(rcrange,rclow,rcilow, mb3,RCPRM0,RCPRM1, op, cx = r>>24 );
mbu *mb = mb2[cx]; mb8enc(rcrange,rclow,rcilow, mb, RCPRM0,RCPRM1, op, x = (uint8_t)(r>>16)); cx = cx << 8 | x;
mb = mb1[BZHI32(cx,XN1)]; mb8enc(rcrange,rclow,rcilow, mb, RCPRM0,RCPRM1, op, x = (uint8_t)(r>> 8)); cx = cx << 8 | x;
mb = mb0[BZHI32(cx,XN1)]; mb8enc(rcrange,rclow,rcilow, mb, RCPRM0,RCPRM1, op, (uint8_t)(r ));
OVERFLOW(_in,_inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rc,RC_PRD,dec32)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint32_t *out = (uint32_t *)_out, *op, cx = 0, r;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBU_DEC1(mb3, 1<< 8);
MBU_DEC2(mb2, 1<< 8, 1<<8);
MBU_DEC2(mb1, 1<<XN1, 1<<8);
MBU_DEC2(mb0, 1<<XN1, 1<<8);
for(op = out; op < out+outlen; op++) {
mb8dec(rcrange,rccode, mb3,RCPRM0,RCPRM1, ip, r);
mbu *mb = mb2[r]; mb8dec(rcrange,rccode, mb, RCPRM0,RCPRM1, ip,cx); r = r << 8 | cx;
mb = mb1[BZHI32(r,XN1)]; mb8dec(rcrange,rccode, mb, RCPRM0,RCPRM1, ip,cx); r = r << 8 | cx;
mb = mb0[BZHI32(r,XN1)]; mb8dec(rcrange,rccode, mb, RCPRM0,RCPRM1, ip,cx);
*op = cx = r << 8 | cx;
}
return _outlen;
}
//---- Order 0 Nibble (4 bits) adaptive : encode/decode low nibble ---------------------------
size_t T3(rc4,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned char *op = out, *ip;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC1(mb,1<<4);
for(ip = in; ip < in+inlen; ip++) {
mb4enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1,op, ip[0]&0xf); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rc4,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
rcdecdec(rcrange,rccode, ip);
MBU_DEC1(mb,1<<4);
for(op = out; op < out+outlen; op++)
mb4dec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip, *op);
return outlen;
}
// Order 0 Nibble (4 bits) --------------------------------------------------------------------
size_t T3(rc4c,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned char *op = out, *ip;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC1(mb,1<<4);
for(ip = in; ip < in+inlen; ip++) {
mb4senc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1, op, ip[0]&0xf); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rc4c,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
rcdecdec(rcrange,rccode, ip);
MBU_DEC1(mb,1<<4);
for(op = out; op < out+outlen; op++)
mb4sdec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip, *op);
return outlen;
}
//-- Order1 : 8 bits -------------------------------------------------------------------------
size_t T3(rcc,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned char *op = out, *ip;
unsigned cx = 0;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC2(mb,1<<8, 1<<8);
for(ip = in; ip < in+inlen; ip++) {
mb8enc(rcrange,rclow,rcilow, mb[cx], RCPRM0,RCPRM1, op, cx = ip[0]); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcc,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
unsigned cx = 0;
rcdecdec(rcrange,rccode, ip);
MBU_DEC2(mb, 1<<8, 1<<8);
for(op = out; op < out+outlen; op++)
mb8dec(rcrange,rccode, mb[cx],RCPRM0,RCPRM1, ip, cx = *op);
return outlen;
}
//---Order1 : 16 bits -----------------------
size_t T3(rcc,RC_PRD,enc16)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint16_t *in = (uint16_t *)_in, *ip, cx = 0, ema = 0;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC2( mb1, 1<< 8, 1<<8);
MBU_NEWI2(mb0, 1<<16, 1<<8);
for(ip = in; ip < in+inlen; ip++) {
uint16_t r = ip[0];
mb8enc(rcrange,rclow,rcilow, mb1[cx], RCPRM0,RCPRM1, op, r>>8); cx = cx <<8 | r>>8;
mb8enc(rcrange,rclow,rcilow, &mb0[cx*(1<<8)], RCPRM0,RCPRM1, op, (uint8_t)r);
cx = (uint8_t)cx;
}
rceflush(rcrange,rclow,rcilow, op);
e:free(mb0); return op - out;
}
size_t T3(rcc,RC_PRD,dec16)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint16_t *out = (uint16_t *)_out, *op, cx = 0, ema = 0;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBU_DEC2( mb1, 1<<8, 1<<8);
MBU_NEWI2(mb0, 1<<16, 1<<8); //MBU_DEC2(mb0, 1<<16, 1<<8);
for(op = out; op < out+outlen; op++) {
unsigned ch;
mb8dec(rcrange,rccode, mb1[cx],RCPRM0,RCPRM1, ip, ch);
mb8dec(rcrange,rccode, &mb0[(cx<<8 | ch)*(1<<8)],RCPRM0,RCPRM1, ip, cx);
*op = ch << 8 | cx; cx = ch;
}
free(mb0);
return _outlen;
}
//---Order 7bs : 32 bits integer, 32 bits floating point -----------------------
#define XNS 8
#define XN (XNS-1) // ignore MSB/sign
#define CX32(_x_) BZHI32( (_x_)>>(32-XN), XN)
#define CX0(_x_) (uint8_t)(_x_)
#define XN1 10
size_t T3(rcc,RC_PRD,enc32)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint32_t *in = (uint32_t *)_in, *ip, cx = 0;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC2(mb3, 1<<XN, 1<<8);
MBU_DEC2(mb2, 1<< 8, 1<<8);
MBU_DEC2(mb1, 1<<XN1, 1<<8);
MBU_DEC2(mb0, 1<<XN1, 1<<8);
for(ip = in; ip < in+inlen; ip++) {
uint32_t r = ip[0],x;
mbu *mb = mb3[cx = CX32(cx)]; mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1, op, cx = r>>24 );
mb = mb2[cx]; mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1, op, x = (uint8_t)(r>>16)); cx = cx << 8 | x;
mb = mb1[BZHI32(cx,XN1)]; mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1, op, x = (uint8_t)(r>> 8)); cx = cx << 8 | x;
mb = mb0[BZHI32(cx,XN1)]; mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1, op, (uint8_t)(r ));
cx = r; OVERFLOW(_in,_inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcc,RC_PRD,dec32)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint32_t *out = (uint32_t *)_out, *op, cx = 0, r;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBU_DEC2(mb3, 1<<XN, 1<<8);
MBU_DEC2(mb2, 1<< 8, 1<<8);
MBU_DEC2(mb1, 1<<XN1, 1<<8);
MBU_DEC2(mb0, 1<<XN1, 1<<8);
for(op = out; op < out+outlen; op++) {
mbu *mb = mb3[cx = CX32(cx)]; mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip, r);
mb = mb2[r]; mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip,cx); r = r << 8 | cx;
mb = mb1[BZHI32(r,XN1)]; mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip,cx); r = r << 8 | cx;
mb = mb0[BZHI32(r,XN1)]; mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip,cx);
*op = cx = r << 8 | cx;
}
return _outlen;
}
//---Order Nb : 32 bits integer + 32 bits floating point -----------------------
#define XNS 12
#define XN (XNS-1)
#define CX32(_x_) (((_x_)>>(32-XNS)) & ((1u<<(XN))-1))
size_t T3(rcc2,RC_PRD,enc32)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint32_t *in = (uint32_t *)_in, *ip, cx = 0;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC2(mb3, 1<<XN, 1<<8);
MBU_DEC2(mb2, 1<< 8, 1<<8);
MBU_NEWI2(mb1, 1<<XN1, 1<<8);
MBU_NEWI2(mb0, 1<<XN1, 1<<8);
for(ip = in; ip < in+inlen; ip++) {
uint32_t r = ip[0],x;
mbu *mb = mb3[cx = CX32(cx)]; mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1, op, cx = r>>24 );
mb = mb2[cx]; mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1, op, x = (uint8_t)(r>>16)); cx = cx << 8 | x;
mb = &mb1[BZHI32(cx,XN1)*(1<<8)]; mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1, op, x = (uint8_t)(r>> 8)); cx = cx << 8 | x;
mb = &mb0[BZHI32(cx,XN1)*(1<<8)]; mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1, op, (uint8_t)(r ));
cx = r; OVERFLOW(_in,_inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:free(mb1);free(mb0); return op - out;
}
size_t T3(rcc2,RC_PRD,dec32)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint32_t *out = (uint32_t *)_out, *op, cx = 0, r;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBU_DEC2( mb3, 1<<XN, 1<<8);
MBU_DEC2( mb2, 1<< 8, 1<<8);
MBU_NEWI2(mb1, 1<<XN1, 1<<8);
MBU_NEWI2(mb0, 1<<XN1, 1<<8);
for(op = out; op < out+outlen; op++) {
mbu *mb = mb3[cx = CX32(cx)]; mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip, r);
mb = mb2[r]; mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip,cx); r = r << 8 | cx;
mb = &mb1[BZHI32(r,XN1)*(1<<8)]; mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip,cx); r = r << 8 | cx;
mb = &mb0[BZHI32(r,XN1)*(1<<8)]; mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1, ip,cx);
*op = cx = r << 8 | cx;
}
free(mb1);free(mb0);
return _outlen;
}
//-- Order 2 --------------------------------------------------------------------------
size_t T3(rcc2,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned char *op = out, *ip;
unsigned cx = 0;
rcencdec(rcrange,rclow,rcilow);
MBU_NEWI2(mb, 1<<16, 1<<8);
for(ip = in; ip < in+inlen; ip++) {
mb8enc(rcrange,rclow,rcilow, &mb[cx*(1<<8)],RCPRM0,RCPRM1, op, ip[0]);
cx = (uint16_t)(cx<<8 | ip[0]); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:free(mb); return op - out;
}
size_t T3(rcc2,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
unsigned cx = 0;
rcdecdec(rcrange,rccode, ip);
MBU_NEWI2(mb, 1<<16, 1<<8);
for(op = out; op < out+outlen; op++) {
mb8dec(rcrange,rccode, &mb[cx*(1<<8)],RCPRM0,RCPRM1, ip, op[0]);
cx = (uint16_t)(cx<<8 | op[0]);
}
free(mb);
return outlen;
}
//-- order N bits with sliding context ---------------------------------------------------------
#include "mb_on.h"
#define MBC_C 8 // order 8 bits context (4 <= MBC_C <= 20)
size_t T3(rcx,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned char *op = out, *ip;
unsigned cx = 0;
rcencdec(rcrange,rclow,rcilow);
MBC_DEC(mbc, MBC_C); // predictor with MBC_C context bits
for(ip = in; ip < in+inlen; ip++) {
mbcenc(rcrange,rclow,rcilow, cx, MBC_C, mbc,RCPRM0,RCPRM1,op, *ip); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcx,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
unsigned cx = 0;
rcdecdec(rcrange,rccode, ip);
MBC_DEC(mbc, MBC_C);
for(op = out; op < out+outlen; op++) {
mbcdec(rcrange,rccode, cx, MBC_C, mbc,RCPRM0,RCPRM1,ip);
*op = cx;
}
return outlen;
}
#define MBC_C2 15
#if RC_PRDID == 1
int mbc_c = 15;
void mbcset(unsigned m) { mbc_c = m; if(mbc_c > MBC_C2) mbc_c = MBC_C2; if(mbc_c < 4) mbc_c = 4; } // set context bits length 1-16
#else
extern int mbc_c;
#endif
size_t T3(rcx2,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned char *op = out, *ip;
unsigned cx = 0;
rcencdec(rcrange,rclow,rcilow);
MBC_DEC(mbc, MBC_C2);
for(ip = in; ip < in+inlen; ip++) {
mbcenc(rcrange,rclow,rcilow, cx, mbc_c, mbc,RCPRM0,RCPRM1,op, *ip); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcx2,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
unsigned cx = 0;
rcdecdec(rcrange,rccode, ip);
MBC_DEC(mbc, MBC_C2);
for(op = out; op < out+outlen; op++) {
mbcdec(rcrange,rccode, cx, mbc_c, mbc,RCPRM0,RCPRM1,ip);
*op = cx;
}
return outlen;
}
//*************************************** Variable Length Coding : Gamma, Rice, Turbo VLC **************************************************
#include "mb_vint.h"
#define IN0 3
#define IN1 5
#define IN2 8
size_t T3(rcu3,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned char *op = out, *ip;
rcencdec(rcrange,rclow,rcilow);
MBU3_DEC(mbf, mb0,IN0, mb1,IN1, mb2,IN2);
for(ip = in; ip < in+inlen; ip++) {
mbu3enc(rcrange,rclow,rcilow, mbf,mb0,IN0,mb1,IN1,mb2,IN2, RCPRM0,RCPRM1, op, ip[0]); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcu3,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
rcdecdec(rcrange,rccode, ip);
MBU3_DEC(mbf, mb0,IN0, mb1,IN1, mb2,IN2);
for(op = out; op < out+outlen; op++)
mbu3dec(rcrange,rccode, mbf,mb0,IN0,mb1,IN1,mb2,IN2,RCPRM0,RCPRM1, ip, op[0]);
return outlen;
}
//------------------------------ Gamma coding for 8, 16 and 32 bits integers --------------------------------------
// usage: Run length in RLE and BWT(MTF, QLFC), match/literal length in lz77, integer arrays with small values, large alphabet
size_t T3(rcg,RC_PRD, enc8)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
uint8_t *op = out, *ip;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0c, mbguc, mbgbc, 33, 33);
for(ip = in; ip < in+inlen; ip++) {
mbgenc(rcrange,rclow,rcilow, &mbg0c,mbguc,mbgbc, RCPRM0,RCPRM1,op, ip[0]); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcg,RC_PRD,dec8)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0c, mbguc, mbgbc, 33, 33);
for(op = out; op < out+outlen; op++)
mbgdec(rcrange,rccode, &mbg0c,mbguc,mbgbc,RCPRM0,RCPRM1,ip, op[0]);
return outlen;
}
size_t T3(rcg,RC_PRD,enc16)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint16_t *in = (uint16_t *)_in, *ip;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0, mbgu, mbgb, 32, 32);
for(ip = in; ip < in+inlen; ip++) {
mbgenc(rcrange,rclow,rcilow, &mbg0, mbgu,mbgb,RCPRM0,RCPRM1,op, ip[0]); OVERFLOW(_in,_inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcg,RC_PRD,dec16)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint16_t *out = _out, *op;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0c, mbguc, mbgbc, 32, 32);
for(op = out; op < out+outlen; op++)
mbgdec(rcrange,rccode, &mbg0c,mbguc,mbgbc,RCPRM0,RCPRM1,ip, op[0]);
return _outlen;
}
#define GQMAX32 12 // Length limited gamma coding
size_t T3(rcg,RC_PRD,enc32)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint32_t *in = (uint32_t *)_in, *ip;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0, mbgu, mbgb, 33, 33);
for(ip = in; ip < in+inlen; ip++) {
mbgenc32(rcrange,rclow,rcilow, mbgu,mbgb,RCPRM0,RCPRM1,op, ip[0], GQMAX32); OVERFLOW(_in,_inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcg,RC_PRD,dec32)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint32_t *out = _out, *op;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0c, mbguc, mbgbc, 33, 33);
for(op = out; op < out+outlen; op++)
mbgdec32(rcrange,rccode, mbguc,mbgbc,RCPRM0,RCPRM1,ip, op[0], GQMAX32);
return _outlen;
}
//----- Gamma Coding + Zigzag Delta ---------------------------------
size_t T3(rcgz,RC_PRD, enc8)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
uint8_t *op = out, *ip, cx = 0;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0c, mbguc, mbgbc, 32, 32);
for(ip = in; ip < in+inlen; ip++) {
mbgenc(rcrange,rclow,rcilow, &mbg0c,mbguc,mbgbc,RCPRM0,RCPRM1,op, zigzagenc8(ip[0] - cx));
cx = ip[0]; OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcgz,RC_PRD,dec8)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint8_t *ip = in, cx = 0;
rcdecdec(rcrange,rccode, ip);
MBG_DEC( mbg0c, mbguc, mbgbc, 32, 32);
for(op = out; op < out+outlen; op++) {
unsigned x;
mbgdec(rcrange,rccode, &mbg0c,mbguc,mbgbc,RCPRM0,RCPRM1,ip, x);
*op = cx += zigzagdec8(x);
}
return outlen;
}
size_t T3(rcgz,RC_PRD,enc16)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint16_t *in = (uint16_t *)_in, *ip, cx = 0;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC( mbg0c, mbguc, mbgbc, 32, 32);
for(ip = in; ip < in+inlen; ip++) {
mbgenc(rcrange,rclow,rcilow, &mbg0c,mbguc,mbgbc,RCPRM0,RCPRM1,op, zigzagenc16(ip[0] - cx)); OVERFLOW(_in,_inlen,out, op, goto e);
cx = ip[0];
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcgz,RC_PRD,dec16)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint16_t *out = (uint16_t *)_out, *op, cx = 0;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0c, mbguc, mbgbc, 32, 32);
for(op = out; op < out+outlen; op++) {
unsigned x;
mbgdec(rcrange,rccode, &mbg0c,mbguc,mbgbc,RCPRM0,RCPRM1,ip, x);
*op = (cx += zigzagdec16(x));
}
return _outlen;
}
size_t T3(rcgz,RC_PRD,enc32)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint32_t *in = (uint32_t *)_in, *ip, cx = 0;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0c, mbguc, mbgbc, 33, 33); // predictor gamma
for(ip = in; ip < in+inlen; ip++) {
mbgenc32(rcrange,rclow,rcilow, mbguc,mbgbc,RCPRM0,RCPRM1,op, zigzagenc32(ip[0] - cx), GQMAX32); OVERFLOW(_in,_inlen,out, op, goto e);
cx = ip[0];
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcgz,RC_PRD,dec32)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint32_t *out = (uint32_t *)_out, *op, cx = 0;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0c, mbguc, mbgbc, 33, 33);
for(op = out; op < out+outlen; op++) {
uint32_t x;
mbgdec32(rcrange,rccode, mbguc,mbgbc,RCPRM0,RCPRM1,ip, x, GQMAX32);
*op = (cx += zigzagdec32(x));
}
return _outlen;
}
//************ Variable Length Coding : Adaptive Length limited Rice coding for 8, 16 and 32 bits integers ************************
#define RICEMAX 12
size_t T3(rcr,RC_PRD, enc8)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
uint8_t *op = out, *ip;
unsigned ema = 0;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0c, mbguc, mbgbc, 33, 33);
for(ip = in; ip < in+inlen; ip++) {
unsigned x = ip[0], log2m = RICEK(ema);
mbrenc32(rcrange,rclow,rcilow, mbguc,mbgbc,RCPRM0,RCPRM1,op, x, RICEMAX, log2m);
ema = EMA(6, ema, 63, x); OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcr,RC_PRD,dec8)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op;
unsigned ema = 0;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0c, mbguc, mbgbc, 33, 33);
for(op = out; op < out+outlen; op++) {
unsigned x, log2m = RICEK(ema);
mbrdec32(rcrange,rccode, mbguc,mbgbc,RCPRM0,RCPRM1,ip, x, RICEMAX,log2m); ema = EMA(6,ema, 63, x);
*op = x;
}
return outlen;
}
size_t T3(rcr,RC_PRD,enc16)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint16_t *in = (uint16_t *)_in, *ip;
INDEC;
unsigned ema = 0;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0, mbgu, mbgb, 33, 33);
for(ip = in; ip < in+inlen; ip++) {
unsigned x = ip[0], log2m = RICEK(ema);
mbrenc32(rcrange,rclow,rcilow, mbgu,mbgb,RCPRM0,RCPRM1,op, x, RICEMAX,log2m);
ema = EMA(6,ema, 63, x);
OVERFLOW(_in,_inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcr,RC_PRD,dec16)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint16_t *out = _out, *op;
OUTDEC;
unsigned ema = 0;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0, mbgu, mbgb, 33, 33);
for(op = out; op < out+outlen; op++) {
unsigned x, log2m = RICEK(ema);
mbrdec32(rcrange,rccode, mbgu,mbgb,RCPRM0,RCPRM1,ip, x, RICEMAX, log2m);
*op = x;
ema = EMA(6,ema, 63, x);
}
return _outlen;
}
#define CXR(x) (unsigned char)(x>>23)
size_t T3(rcr,RC_PRD,enc32)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint32_t *in = (uint32_t *)_in, *ip;
INDEC;
unsigned ema[1<<9] = {0}, cx = 0;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0c, mbguc, mbgbc, 46, 46);
for(ip = in; ip < in+inlen; ip++) {
uint32_t x = ip[0], log2m = RICEK(ema[CXR(cx)]);
mbrenc32(rcrange,rclow,rcilow, mbguc,mbgbc,RCPRM0,RCPRM1,op, x, RICEMAX,log2m);
cx = ip[0];
ema[CXR(cx)] = EMA(8, (uint64_t)ema[CXR(cx)], 255, (uint64_t)x); OVERFLOW(_in,_inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcr,RC_PRD,dec32)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint32_t *out = (uint32_t *)_out, *op;
OUTDEC;
unsigned ema[1<<9] = {0}, cx = 0;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0c, mbguc, mbgbc, 46, 46);
for(op = out; op < out+outlen; op++) {
unsigned x, log2m = RICEK(ema[CXR(cx)]);
mbrdec32(rcrange,rccode, mbguc,mbgbc,RCPRM0,RCPRM1,ip, x, RICEMAX,log2m);
cx = x;
ema[CXR(cx)] = EMA(8, (uint64_t)ema[CXR(cx)], 255, (uint64_t)x);
*op = x;
}
return _outlen;
}
//-- Rice + delta zigzag ------------------------------------
size_t T3(rcrz,RC_PRD, enc8)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
uint8_t *op = out, *ip, cx = 0;
unsigned ema = 0;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0c, mbguc, mbgbc, 33, 33);
for(ip = in; ip < in+inlen; ip++) {
uint8_t d = ip[0] - cx;
unsigned x = zigzagenc8(d), log2m = RICEK(ema);
mbrenc32(rcrange,rclow,rcilow, mbguc,mbgbc,RCPRM0,RCPRM1,op, x, RICEMAX,log2m);
ema = EMA(4, ema, 15, x);
cx = ip[0]; OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcrz,RC_PRD,dec8)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint8_t *ip = in, cx = 0;
unsigned ema = 0;
rcdecdec(rcrange,rccode, ip);
MBG_DEC( mbg0c, mbguc, mbgbc, 33, 33);
for(op = out; op < out+outlen; op++) {
unsigned x, log2m = RICEK(ema);
mbrdec32(rcrange,rccode, mbguc,mbgbc,RCPRM0,RCPRM1,ip, x, RICEMAX,log2m);
uint8_t d = zigzagdec8(x);
*op = (cx += d);
ema = EMA(4, ema, 15, x);
}
return outlen;
}
size_t T3(rcrz,RC_PRD,enc16)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint16_t *in = (uint16_t *)_in, *ip, cx = 0;
INDEC;
unsigned ema = 0;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC( mbg0c, mbguc, mbgbc, 33, 33);
for(ip = in; ip < in+inlen; ip++) {
uint16_t d = ip[0] - cx;
unsigned x = zigzagenc16(d), log2m = RICEK(ema);
mbrenc32(rcrange,rclow,rcilow, mbguc,mbgbc,RCPRM0,RCPRM1,op, x, RICEMAX,log2m);
ema = EMA(6,ema, 63, x);
cx = ip[0];
OVERFLOW(_in,_inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcrz,RC_PRD,dec16)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint16_t *out = (uint16_t *)_out, *op, cx = 0;
OUTDEC;
unsigned ema = 0;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0c, mbguc, mbgbc, 33, 33);
for(op = out; op < out+outlen; op++) {
unsigned x, log2m = RICEK(ema);
mbrdec32(rcrange,rccode, mbguc,mbgbc,RCPRM0,RCPRM1,ip, x, RICEMAX,log2m);
uint16_t d = zigzagdec16(x);
*op = (cx += d);
ema = EMA(6,ema, 63, x);
}
return _outlen;
}
size_t T3(rcrz,RC_PRD,enc32)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint32_t *in = (uint32_t *)_in, *ip, cx = 0;
INDEC;
unsigned ema = 0;
rcencdec(rcrange,rclow,rcilow);
MBG_DEC(mbg0c, mbguc, mbgbc, 64, 64);
for(ip = in; ip < in+inlen; ip++) {
uint32_t d = ip[0] - cx;
unsigned x = zigzagenc32(d), log2m = RICEK(ema);
mbrenc32(rcrange,rclow,rcilow, mbguc,mbgbc,RCPRM0,RCPRM1,op, x, RICEMAX,log2m);
ema = EMA(6,(uint64_t)ema, 63, (uint64_t)x);
cx = ip[0]; OVERFLOW(_in,_inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcrz,RC_PRD,dec32)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint32_t *out = _out, *op, cx = 0;
OUTDEC;
unsigned ema = 0;
rcdecdec(rcrange,rccode, ip);
MBG_DEC(mbg0c, mbguc, mbgbc, 64, 64);
for(op = out; op < out+outlen; op++) {
unsigned x, log2m = RICEK(ema);
mbrdec32(rcrange,rccode, mbguc,mbgbc,RCPRM0,RCPRM1,ip, x, RICEMAX,log2m);
uint32_t d = zigzagdec32(x);
*op = (cx += d);
ema = EMA(6, (uint64_t)ema, 63, (uint64_t)x);
}
return _outlen;
}
//-------------------- RLE : Run Length Encoding in gamma+rc ----------------------------------
// characters encoded using the current character as order-8bits sliding context
// Run length are encoded in gamma coding,
size_t T3(rcrle,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *in_ = in+inlen, *op = out;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC1(mb,1<<8);
MBG_DEC(mbg0, mbgu, mbgb, 32, 32); // run length predictor
while(ip < in_) {
uint8_t *p = ip, u = *ip++;
while(ip < in_ && *ip == u) ip++;
unsigned r = ip - p > (unsigned)-1?(unsigned)-1:ip - p; // run length
mb8enc(rcrange,rclow,rcilow, mb,RCPRM0,RCPRM1,op, u);
mbgenc(rcrange,rclow,rcilow, &mbg0,mbgu,mbgb,RCPRM0,RCPRM1,op, r-1);
OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op-out;
}
size_t T3(rcrle,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned char *ip = in, *op = out;
rcdecdec(rcrange,rccode, ip);
MBU_DEC1(mb,1<<8);
MBG_DEC(mbg0, mbgu, mbgb, 32, 32);
while(op < out+outlen) {
unsigned r,ch;
mb8dec(rcrange,rccode, mb,RCPRM0,RCPRM1,ip, ch);
mbgdec(rcrange,rccode, &mbg0,mbgu,mbgb,RCPRM0,RCPRM1,ip, r);
memset_(op, ch, r+1);
}
return ip-in;
}
size_t T3(rcrle,RC_PRD,enc16)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint16_t *in = (uint16_t *)_in, *ip, cx = 0;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC1(mb1, 1<< 8);
MBU_DEC2(mb0, 1<< 8, 1<<8);
MBG_DEC1(mbg0,1<<16, mbgu, 1<<8, mbgb, 33, 33);
uint16_t *in_ = in+inlen;
for(ip = in; ip < in_;) {
uint16_t *p = ip, u = *ip++;
while(ip < in_ && *ip == u) ip++;
unsigned r = ip - p > (unsigned)-1?(unsigned)-1:ip - p; // run length
mb8enc(rcrange,rclow,rcilow, mb1, RCPRM0,RCPRM1, op, u>>8); cx = u>>8;
mb8enc(rcrange,rclow,rcilow, mb0[cx], RCPRM0,RCPRM1, op, (uint8_t)u);
mbgenc(rcrange,rclow,rcilow, &mbg0[u],mbgu[u>>8],mbgb,RCPRM0,RCPRM1,op, r-1);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcrle,RC_PRD,dec16)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint16_t *out = (uint16_t *)_out, *op, cx = 0, ema = 0;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBU_DEC1(mb1, 1<< 8);
MBU_DEC2(mb0, 1<< 8, 1<<8);
MBG_DEC1(mbg0, 1<<16, mbgu, 1<<8, mbgb, 33, 33);
for(op = out; op < out+outlen;) {
unsigned ch,r;
mb8dec(rcrange,rccode, mb1, RCPRM0,RCPRM1, ip, cx);
mb8dec(rcrange,rccode, mb0[cx],RCPRM0,RCPRM1, ip, ch);
uint16_t u = cx << 8 | ch;
mbgdec(rcrange,rccode, &mbg0[u], mbgu[u>>8], mbgb, RCPRM0,RCPRM1,ip, r);
memset_(op, u, r+1);
}
return _outlen;
}
// Character : encoded as order-8bits sliding context
// Run length : gamma coding with current character as context
enum { RU0=5+8,RU=5+8,RB=8 };
#define HISTPRED(_x_) RICEK(_x_)
#define HISTUPD(_avg_,_x_) EMA(5, _avg_,23,(_x_)>31?31:(_x_)) // max. avg 31
size_t T3(rcrle1,RC_PRD,enc)(unsigned char *in, size_t inlen, unsigned char *out RCPRM) {
unsigned cx = 0;
unsigned char *ip = in, *in_ = in+inlen, *op = out;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC2(mb, 1<<8, 1<<8);
MBG_DEC2(mbg0r, 1<<RU0, mbgur, 1<<RU, mbgbr, 1<<RB, 33, 33); //run length //MBG_DEC2(mbg0, 1<<8, mbgu, 1<<8, mbgb, 1<<8, 32, 32);
uint8_t hist[1<<8] = {1};
while(ip < in_) {
unsigned char *p = ip, u = *ip++;
while(ip < in_ && *ip == u) ip++;
unsigned r = ip - p > (unsigned)-1?(unsigned)-1:ip - p,cr; r--; // r:run length
mbu *m = mb[cx]; mb8enc(rcrange,rclow,rcilow, m, RCPRM0,RCPRM1,op, u); cx = u; //cx = (cx<<8|u)&0xfff; cx = (cx<<8|(uint8_t)ch)&0xfff;
cr = HISTPRED(hist[u]); mbgxenc(rcrange,rclow,rcilow, &mbg0r[cr<<8|u], mbgur[cr<<8|u], mbgbr[u], RCPRM0,RCPRM1,op, r); hist[u] = HISTUPD(hist[u],r);//mbgxenc(rcrange,rclow,rcilow, &mbg0[u], mbgu[u], mbgb[u], RCPRM0,RCPRM1,op, r);
OVERFLOW(in,inlen,out, op, goto e);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op-out;
}
size_t T3(rcrle1,RC_PRD,dec)(unsigned char *in, size_t outlen, unsigned char *out RCPRM) {
unsigned cx = 0;
unsigned char *ip = in, *op = out;
rcdecdec(rcrange,rccode, ip);
MBU_DEC2(mb, 1<<8, 1<<8);
MBG_DEC2(mbg0r, 1<<RU0, mbgur, 1<<RU, mbgbr, 1<<RB, 33, 33); //run length MBG_DEC2(mbg0, 1<<8, mbgu, 1<<8, mbgb, 1<<8, 33, 33);
uint8_t hist[1<<8] = {1};
while(op < out+outlen) {
unsigned r,cr;
unsigned char ch;
mbu *m = mb[cx]; mb8dec(rcrange,rccode, m, RCPRM0,RCPRM1,ip, ch); cx = (uint8_t)ch;
ch = cx; cr = HISTPRED(hist[ch]); mbgxdec(rcrange,rccode, &mbg0r[cr<<8|ch], mbgur[cr<<8|ch], mbgbr[ch], RCPRM0,RCPRM1,ip, r); hist[ch] = HISTUPD(hist[ch],r); //ch = cx; mbgdec(rcrange,rccode, &mbg0[ch], mbgu[ch], mbgb[ch], RCPRM0,RCPRM1,ip, r);
memset_(op, ch, r+1);
}
return ip-in;
}
size_t T3(rcrle1,RC_PRD,enc16)(unsigned char *_in, size_t _inlen, unsigned char *out RCPRM) {
unsigned char *op = out;
uint16_t *in = (uint16_t *)_in, *ip, cx = 0;
INDEC;
rcencdec(rcrange,rclow,rcilow);
MBU_DEC2(mb1, 1<< 8, 1<<8);
MBU_DEC2(mb0, 1<< 8, 1<<8);
MBG_DEC1(mbg0,1<<16, mbgu, 1<<8, mbgb, 33, 33);
uint16_t *in_ = in+inlen;
for(ip = in; ip < in_;) {
uint16_t *p = ip, u = *ip++;
while(ip < in_ && *ip == u) ip++;
unsigned r = ip - p > (unsigned)-1?(unsigned)-1:ip - p;
mb8enc(rcrange,rclow,rcilow, mb1[cx], RCPRM0,RCPRM1, op, u>>8); cx = u>>8;
mb8enc(rcrange,rclow,rcilow, mb0[cx], RCPRM0,RCPRM1, op, (uint8_t)u);
mbgenc(rcrange,rclow,rcilow, &mbg0[u],mbgu[u>>8],mbgb,RCPRM0,RCPRM1,op, r-1);
}
rceflush(rcrange,rclow,rcilow, op);
e:return op - out;
}
size_t T3(rcrle1,RC_PRD,dec16)(unsigned char *in, size_t _outlen, unsigned char *_out RCPRM) {
unsigned char *ip = in;
uint16_t *out = (uint16_t *)_out, *op, cx = 0, ema = 0;
OUTDEC;
rcdecdec(rcrange,rccode, ip);
MBU_DEC2(mb1, 1<< 8, 1<<8);
MBU_DEC2(mb0, 1<< 8, 1<<8);
MBG_DEC1(mbg0, 1<<16, mbgu, 1<<8, mbgb, 33, 33);
for(op = out; op < out+outlen;) {
unsigned ch,r;
mb8dec(rcrange,rccode, mb1[cx],RCPRM0,RCPRM1, ip, cx);
mb8dec(rcrange,rccode, mb0[cx],RCPRM0,RCPRM1, ip, ch);