double qcache_value(struct gcache_s *lgp, int j) {
if ( j<=0 )
return 0;
if ( j>=GCACHE )
return qval(lgp->par,j,lgp->lgpar);
if ( lgp->cache[j]==0 ) {
if ( j==1 )
lgp->cache[j] = 1/(1-lgp->par);
else if ( j==2 )
lgp->cache[j] = 3/(2-lgp->par);
else if ( j==3 )
lgp->cache[j] = (11-7*lgp->par)/(3-lgp->par)/(2-lgp->par);
else
lgp->cache[j] = qval(lgp->par,j,lgp->lgpar);
}
return lgp->cache[j];
}
void
App::setPreference(const std::string &key, const std::string &val)
{
QSettings settings;
std::string keyrep(getKeyRepr(key));
QString qkeyrep(keyrep.c_str());
QString qval(val.c_str());
settings.setValue(qkeyrep, qval);
settings.sync();
}
void CccModule::handleLine(uint8_t *line, uint16_t width)
{
uint32_t index, sig, sig2, usum, vsum, ysum;
int32_t x, r, g1, g2, b, u, v, u0, v0;
Qval newline;
// new line
m_qq->enqueue(&newline);
x = 1;
next:
usum = vsum = ysum = 0;
r = line[x];
g1 = line[x-1];
g2 = line[x-width];
b = line[x-width-1];
u = r-g1;
v = b-g2;
ysum += r + (g1+g2)/2 + b;
usum += u;
vsum += v;
u0 = u>>(9-CL_LUT_COMPONENT_SCALE);
v0 = v>>(9-CL_LUT_COMPONENT_SCALE);
u0 &= (1<<CL_LUT_COMPONENT_SCALE)-1;
v0 &= (1<<CL_LUT_COMPONENT_SCALE)-1;
index = (u0<<CL_LUT_COMPONENT_SCALE) | v0;
sig = m_lut[index];
x += 2;
if (x>=width)
return;
if (sig==0)
goto next;
r = line[x];
g1 = line[x-1];
g2 = line[x-width];
b = line[x-width-1];
u = r-g1;
v = b-g2;
ysum += r + (g1+g2)/2 + b;
usum += u;
vsum += v;
u0 = u>>(9-CL_LUT_COMPONENT_SCALE);
v0 = v>>(9-CL_LUT_COMPONENT_SCALE);
u0 &= (1<<CL_LUT_COMPONENT_SCALE)-1;
v0 &=(1<<CL_LUT_COMPONENT_SCALE)-1;
index = (u0<<CL_LUT_COMPONENT_SCALE) | v0;
sig2 = m_lut[index];
x += 2;
if (x>=width)
return;
if (sig==sig2)
goto save;
goto next;
save:
Qval qval(usum, vsum, ysum, (x/2<<3) | sig);
m_qq->enqueue(&qval);
x += 2;
if (x>=width)
return;
goto next;
}