static void t1_enc_clnpass_step( opj_t1_t *t1, flag_t *flagsp, int *datap, int orient, int bpno, int one, int *nmsedec, int partial, int vsc) { int v, flag; opj_mqc_t *mqc = t1->mqc; /* MQC component */ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); if (partial) { goto LABEL_PARTIAL; } if (!(*flagsp & (T1_SIG | T1_VISIT))) { mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); v = int_abs(*datap) & one ? 1 : 0; mqc_encode(mqc, v); if (v) { LABEL_PARTIAL: *nmsedec += t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS); mqc_setcurctx(mqc, t1_getctxno_sc(flag)); v = *datap < 0 ? 1 : 0; mqc_encode(mqc, v ^ t1_getspb(flag)); t1_updateflags(flagsp, v, t1->flags_stride); } } *flagsp &= ~T1_VISIT; }
static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc) { int v, flag; opj_mqc_t *mqc = t1->mqc; /* MQC component */ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp); if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { v = int_abs(*dp) & one ? 1 : 0; if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient)); /* ESSAI */ mqc_bypass_enc(mqc, v); } else { mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient)); mqc_encode(mqc, v); } if (v) { v = *dp < 0 ? 1 : 0; *nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS); if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag)); /* ESSAI */ mqc_bypass_enc(mqc, v); } else { mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag)); mqc_encode(mqc, v ^ t1_getspb(t1, flag)); } t1_updateflags(fp, v); *fp |= T1_SIG; } *fp |= T1_VISIT; } }
static void t1_enc_refpass_step( opj_t1_t *t1, flag_t *flagsp, int *datap, int bpno, int one, int *nmsedec, char type, int vsc) { int v, flag; opj_mqc_t *mqc = t1->mqc; /* MQC component */ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { *nmsedec += t1_getnmsedec_ref(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS); v = int_abs(*datap) & one ? 1 : 0; mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ mqc_bypass_enc(mqc, v); } else { mqc_encode(mqc, v); } *flagsp |= T1_REFINE; } }
int irregularity (font_metric fnm) { metric_struct* x= fnm->get (0x78); int ex= max (x->y2 / 256, 1); array<int> xlike; xlike << 0x61 << 0x63 << 0x65 << 0x6d << 0x6e << 0x6f << 0x75 << 0x76 << 0x77; int totdy= 0; for (int i= 0; i<N(xlike); i++) { metric_struct* y= fnm->get (xlike[i]); totdy += (int_abs (y->y3 - x->y3) + int_abs (y->y4 - x->y4)) / 256; } return (100 * totdy) / (N(xlike) * ex); }
int l1_distance (array<int> a1, array<int> a2) { int r= 0; for (int i=0; i<min (N(a1), N(a2)); i++) r += int_abs (a1[i] - a2[i]); return r; }
int rzad(int a){ int res = 1, lim = 10; a = int_abs(a); while(a >= lim){ res += 1; lim *= 10; } return res; }
void j2kTierOne::tierOneSignPassStep(int *fp, int *dp, int orient, int bpno, int one,int *nmsedec, char type, int vsc) { int flag; if(vsc) { flag=((*fp)&(~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))); } else { flag=*fp; } if((flag&T1_SIG_OTH)&&!(flag&(T1_SIG|T1_VISIT))) { int v=int_abs(*dp)&one?1:0; if(type==T1_TYPE_RAW) { /* BYPASS/LAZY MODE*/ mqcSetCurCtx(getCtxNoZC(orient,flag));/* ESSAI */ mqcByPassEncode(v); } else { mqcSetCurCtx(getCtxNoZC(orient,flag)); mqcEncode(v); } if(v) { if(*dp<0) v=1; else v=0; *nmsedec+=tierOneGetNmSeDecSig(int_abs(*dp),bpno+T1_NMSEDEC_FRACBITS); if(type==T1_TYPE_RAW)//BYPASS/LAZY MODE { mqcSetCurCtx(getCtxNoSC(flag));/* ESSAI*/ mqcByPassEncode(v); } else { mqcSetCurCtx(getCtxNoSC(flag)); mqcEncode(v^getSPB(flag)); } tierOneUpdateFlags(fp,v); *fp|=T1_SIG; } *fp|=T1_VISIT; } }
static void t1_enc_sigpass_step( opj_t1_t *t1, flag_t *flagsp, OPJ_INT32 *datap, OPJ_UINT32 orient, OPJ_INT32 bpno, OPJ_INT32 one, OPJ_INT32 *nmsedec, OPJ_BYTE type, OPJ_UINT32 vsc) { OPJ_INT32 v; OPJ_UINT32 flag; opj_mqc_t *mqc = t1->mqc; /* MQC component */ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp); if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { v = int_abs(*datap) & one ? 1 : 0; mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); /* ESSAI */ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ mqc_bypass_enc(mqc, v); } else { mqc_encode(mqc, v); } if (v) { v = *datap < 0 ? 1 : 0; *nmsedec += t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS); mqc_setcurctx(mqc, t1_getctxno_sc(flag)); /* ESSAI */ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ mqc_bypass_enc(mqc, v); } else { mqc_encode(mqc, v ^ t1_getspb(flag)); } t1_updateflags(flagsp, v, t1->flags_stride); } *flagsp |= T1_VISIT; } }
static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, int *nmsedec, int cblksty) { int i, j, k, m, one, agg, runlen, vsc; opj_mqc_t *mqc = t1->mqc; /* MQC component */ *nmsedec = 0; one = 1 << (bpno + T1_NMSEDEC_FRACBITS); for (m = 0; m < l; m++) { for (k = 0; k < h; k += 4) { for (i = 0; i < w; i++) { if (k + 3 < h) { if (cblksty & J3D_CCP_CBLKSTY_VSC) { agg = !(t1->flags[1 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) || t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) || t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) || (t1->flags[1 + m][1 + k + 3][1 + i] & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); } else { agg = !(t1->flags[1 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) || t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) || t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) || t1->flags[1 + m][1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)); } } else { agg = 0; } if (agg) { for (runlen = 0; runlen < 4; runlen++) { if (int_abs(t1->data[m][k + runlen][i]) & one) break; } mqc_setcurctx(mqc, T1_CTXNO_AGG); mqc_encode(mqc, runlen != 4); if (runlen == 4) { continue; } mqc_setcurctx(mqc, T1_CTXNO_UNI); mqc_encode(mqc, runlen >> 1); mqc_encode(mqc, runlen & 1); } else { runlen = 0; } for (j = k + runlen; j < k + 4 && j < h; j++) { vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; t1_enc_clnpass_step(t1, &(t1->flags[1 + m][1 + j][1 + i]), &(t1->data[m][j][i]), orient, bpno, one, nmsedec, agg && (j == k + runlen), vsc); } } } }
void j2kTierOne::tierOneRefPassStep(int *fp, int *dp, int bpno, int one,int *nmsedec, char type, int vsc) { int flag; if(vsc) { flag=((*fp)&(~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))); } else { flag=*fp; } //if((flag&T1_SIG_OTH)&&!(flag&(T1_SIG|T1_VISIT))) if((flag&(T1_SIG|T1_VISIT))==T1_SIG) { *nmsedec+=tierOneGetNmSeDecRef(int_abs(*dp),bpno+T1_NMSEDEC_FRACBITS); int v; if(int_abs(*dp)&one) { v=1; } else { v=0; } if(type==T1_TYPE_RAW) { /* BYPASS/LAZY MODE*/ mqcSetCurCtx(getCtxNoMAG(flag)); mqcByPassEncode(v); } else { mqcSetCurCtx(getCtxNoMAG(flag)); mqcEncode(v); } *fp|=T1_REFINE; } }
static void t1_enc_clnpass( opj_t1_t *t1, int bpno, int orient, int *nmsedec, int cblksty) { int i, j, k, one, agg, runlen, vsc; opj_mqc_t *mqc = t1->mqc; /* MQC component */ *nmsedec = 0; one = 1 << (bpno + T1_NMSEDEC_FRACBITS); for (k = 0; k < t1->h; k += 4) { for (i = 0; i < t1->w; ++i) { if (k + 3 < t1->h) { if (cblksty & J2K_CCP_CBLKSTY_VSC) { agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) || (MACRO_t1_flags(1 + k + 3,1 + i) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); } else { agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH) || MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); } } else { agg = 0; } if (agg) { for (runlen = 0; runlen < 4; ++runlen) { if (int_abs(t1->data[((k + runlen)*t1->w) + i]) & one) break; } mqc_setcurctx(mqc, T1_CTXNO_AGG); mqc_encode(mqc, runlen != 4); if (runlen == 4) { continue; } mqc_setcurctx(mqc, T1_CTXNO_UNI); mqc_encode(mqc, runlen >> 1); mqc_encode(mqc, runlen & 1); } else { runlen = 0; } for (j = k + runlen; j < k + 4 && j < t1->h; ++j) { vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0; t1_enc_clnpass_step( t1, &t1->flags[((j+1) * t1->flags_stride) + i + 1], &t1->data[(j * t1->w) + i], orient, bpno, one, nmsedec, agg && (j == k + runlen), vsc); } } }
int main() { printf("%d \n",int_abs(-5)); printf("%d",float_abs(-5.123)); return 0; }
void j2kTierOne::tierOneEncodeCodeBlock(j2kTileCoder_CodeBlock *codeBlock,j2kTileCoder_Tile *tile,int orient,int compno,int level,int isDWT,double stepSize,int codeBlockStyle,int numComps) { int cbWidth=codeBlock->x1-codeBlock->x0; int cbHeight=codeBlock->y1-codeBlock->y0; int max=0; for(int i=0; i<cbHeight; i++) { for(int j=0; j<cbWidth; j++) { max=int_max(max,int_abs(tierOneData[i][j])); } } if(max) codeBlock->numbps=int_floorlog2(max)+1-T1_NMSEDEC_FRACBITS; else codeBlock->numbps=0; for(int i=0; i<sizeof(tierOneFlags)/sizeof(int); i++) { ((int*)tierOneFlags)[i]=0; } int bpsno=codeBlock->numbps-1; int passType=2; mqcResetStates(); mqcSetState(T1_CTXNO_UNI,0,46); mqcSetState(T1_CTXNO_AGG,0,3); mqcSetState(T1_CTXNO_ZC,0,4); mqcInitEncode(codeBlock->data); int type; int nmSeDec; double curWmSeDec=0;//? int passno; for(passno=0; bpsno>=0; passno++) { //printf ("cb2==%d==%d\n",passno,ttemp->x0); j2kTileCoder_Pass *pass=&codeBlock->passes[passno]; int correction=3; type=((bpsno<(codeBlock->numbps-4))&&(passType<2)&&(codeBlockStyle&J2K_CCP_CBLKSTY_LAZY))?T1_TYPE_RAW:T1_TYPE_MQ; switch(passType) { case 0: tierOneSignPass(cbWidth,cbHeight,bpsno,orient,&nmSeDec,type,codeBlockStyle); break; case 1: tierOneRefPass(cbWidth,cbHeight,bpsno,&nmSeDec,type,codeBlockStyle);//此项有问题 break; case 2: tierOneCleanPass(cbWidth,cbHeight,bpsno,orient,&nmSeDec,codeBlockStyle); if(codeBlockStyle&J2K_CCP_CBLKSTY_SEGSYM) mqcSegMarkEncode();/* 模式变化 SEGMARK*/ break; } curWmSeDec+=getWmSeDec(nmSeDec,compno,level,orient,bpsno,isDWT,stepSize,numComps);//mod fixed_quality tile->distotile+=getWmSeDec(nmSeDec,compno,level,orient,bpsno,isDWT,stepSize,numComps);//add antonin quality //以下开始模式变换 if((codeBlockStyle&J2K_CCP_CBLKSTY_TERMALL)&& !((passType==2)&& (bpsno-1<0))) { mqcFlush(); correction=1; pass->term=1; } else { if(((bpsno<(codeBlock->numbps-4)&&(passType>0))||((bpsno==(codeBlock->numbps-4))&&(passType==2)))&& (codeBlockStyle&J2K_CCP_CBLKSTY_LAZY)) { mqcFlush(); correction=1; pass->term=1; } else { pass->term=0; } } if(++passType==3) { passType=0; bpsno--; } if(pass->term&&bpsno>0) { type=((bpsno<(codeBlock->numbps-4))&&(passType<2)&&(codeBlockStyle&J2K_CCP_CBLKSTY_LAZY))?T1_TYPE_RAW:T1_TYPE_MQ; if(type==T1_TYPE_RAW) mqcByPassInitEncode();//BYPASS模式初始化 else mqcRestartInitEncode(); } pass->distortiondec=curWmSeDec; pass->rate=mqcNumBytes()+correction; if(passno==0) { pass->len=pass->rate; } else { pass->len=pass->rate-codeBlock->passes[passno-1].rate; } //模式变换 RESET if(codeBlockStyle&J2K_CCP_CBLKSTY_RESET) mqcResetEncode(); } //模式变换ERTERM if(codeBlockStyle&J2K_CCP_CBLKSTY_PTERM) mqcErtermEncode(); else if(!(codeBlockStyle&J2K_CCP_CBLKSTY_LAZY))//默认模式 mqcFlush(); codeBlock->totalpasses=passno; }