int main(int argc, char *argv[])
{
int rv;
char cmdstr[ROSH_CMD_SZ];
/* Initialization */
rv = 0;
rosh_console_std();
if (argc != 1) {
rv = rosh_argcat(cmdstr, argc, argv, 1);
} else {
rosh_version(0);
print_beta();
cmdstr[0] = '\0';
}
rv = rosh_prompt(cmdstr);
printf("--Exiting '%s'\n", APP_NAME);
return rv;
}
static void update_intra_xforms(intra_xform_ctx *_ctx){
int mode;
int pli;
/*Update the model for each coefficient in each mode.*/
printf("/* This file is generated automatically by init_intra_xform */\n");
printf("#include \"intra.h\"\n");
printf("\n");
printf("const double OD_INTRA_PRED_WEIGHTS_%ix%i"
"[OD_INTRA_NMODES][%i][%i][2*%i][2*%i]={\n",
B_SZ,B_SZ,B_SZ,B_SZ,B_SZ,B_SZ);
for(mode=0;mode<OD_INTRA_NMODES;mode++){
int xi[2*B_SZ*2*B_SZ];
int nxi;
int i;
int j;
/*double *r_x;*/
r_xx_row *r_xx;
double *scale;
/*r_x=_ctx->r_x[mode];*/
r_xx=_ctx->r_xx[mode];
scale=_ctx->scale[mode];
printf(" {\n");
for(i=0;i<2*B_SZ*2*B_SZ;i++){
scale[i]=sqrt(r_xx[i][i]);
if(scale[i]<=0)scale[i]=1;
}
for(i=0;i<2*B_SZ*2*B_SZ;i++){
for(j=0;j<2*B_SZ*2*B_SZ;j++){
r_xx[i][j]/=scale[i]*scale[j];
}
}
nxi=0;
for(j=0;j<B_SZ;j++){
for(i=0;i<B_SZ;i++){
xi[nxi]=2*B_SZ*j+i;
xi[nxi+B_SZ*B_SZ]=2*B_SZ*j+B_SZ+i;
xi[nxi+2*B_SZ*B_SZ]=2*B_SZ*(B_SZ+j)+i;
nxi++;
}
}
#if 0
if(mode==0){
for(i=0;i<2*B_SZ;i++){
for(j=0;j<2*B_SZ;j++){
int k;
int l;
for(k=0;k<2*B_SZ;k++){
for(l=0;l<2*B_SZ;l++){
printf("%0.18G%s",r_xx[2*B_SZ*i+j][2*B_SZ*k+l],2*B_SZ*k+l>=2*B_SZ*2*B_SZ-1?"\n":" ");
}
}
}
}
}
#endif
for(i=0;i<B_SZ;i++){
printf(" {\n");
for(j=0;j<B_SZ;j++){
double xty[2*B_SZ*2*B_SZ];
double *beta;
int xii;
int xij;
int yi;
nxi=3*B_SZ*B_SZ;
#if 0
/*Include coefficients for the current block*/
{
int k;
int l;
for(k=0;k<=i;k++){
for(l=0;l<=j;l++){
xi[nxi++]=2*B_SZ*(B_SZ+k)+B_SZ+l;
}
}
nxi--;
}
#endif
yi=2*B_SZ*(B_SZ+i)+B_SZ+j;
for(xii=0;xii<nxi;xii++)xty[xii]=r_xx[xi[xii]][yi];
beta=_ctx->beta[mode][B_SZ*i+j];
memset(beta,0,2*B_SZ*2*B_SZ*sizeof(*beta));
#if defined(OD_USE_SVD)
{
double xtx[2*2*B_SZ*2*B_SZ][2*B_SZ*2*B_SZ];
double *xtxp[2*2*B_SZ*2*B_SZ];
double s[2*B_SZ*2*B_SZ];
for(xii=0;xii<nxi;xii++){
for(xij=0;xij<nxi;xij++){
xtx[xii][xij]=r_xx[xi[xii]][xi[xij]];
}
}
for(xii=0;xii<2*nxi;xii++)xtxp[xii]=xtx[xii];
svd_pseudoinverse(xtxp,s,nxi,nxi);
/*beta[yi]=r_x[yi];*/
for(xii=0;xii<nxi;xii++){
double beta_i;
beta_i=0;
for(xij=0;xij<nxi;xij++)beta_i+=xtx[xij][xii]*xty[xij];
beta[xi[xii]]=beta_i*scale[yi]/scale[xi[xii]];
/*beta[yi]-=beta_i*r_x[xi[xii]];*/
}
}
#else
{
double xtx[UT_SZ(2*B_SZ*2*B_SZ,2*B_SZ*2*B_SZ)];
double tau[2*B_SZ*2*B_SZ];
double work[2*B_SZ*2*B_SZ];
int pivot[2*B_SZ*2*B_SZ];
int rank;
for(xii=0;xii<nxi;xii++){
for(xij=xii;xij<nxi;xij++){
xtx[UT_IDX(xii,xij,nxi)]=r_xx[xi[xii]][xi[xij]];
}
}
rank=cholesky(xtx,pivot,DBL_EPSILON,nxi);
chdecomp(xtx,tau,rank,nxi);
chsolve(xtx,pivot,tau,xty,xty,work,rank,nxi);
for(xii=0;xii<nxi;xii++){
beta[xi[xii]]=xty[xii]*scale[yi]/scale[xi[xii]];
/*beta[yi]-=beta_i*r_x[xi[xii]];*/
}
}
#endif
print_beta(mode,i,j,beta);
}
printf(" }%s\n",i<B_SZ-1?",":"");
}
printf(" }%s\n",mode<OD_INTRA_NMODES-1?",":"");
}
printf("};\n\n");
printf("const unsigned char OD_INTRA_PRED_PROB_%dx%d[3][OD_INTRA_NMODES][OD_INTRA_NCONTEXTS]={\n",B_SZ,B_SZ);
for(pli=0;pli<3;pli++)
{
int i;
printf("{");
for(i=0;i<OD_INTRA_NMODES;i++)
{
int j;
printf("{");
for(j=0;j<NB_CONTEXTS;j++)
printf("%d, ", (int)floor(.5+256.*_ctx->freq[pli][i][j][1]/(float)_ctx->freq[pli][i][j][0]));
printf("},\n");
}
printf("},\n");
}
printf("};\n\n");
}
