Int CVTCCommon::ztqInitDC(Int decode, Int c)
{
Int err;
Int x, y;
Int dummyPrevQ;
err = 0;
noteDetail("Initializing DC coefficient information....");
noteDebug("DC Dimensions: Width=%d, Height=%d",
mzte_codec.m_iDCWidth, mzte_codec.m_iDCHeight);
for (y = 0; y < mzte_codec.m_iDCHeight; ++y)
for (x = 0; x < mzte_codec.m_iDCWidth; ++x)
{
if (decode)
initInvQuantSingleStage(&COEFF_QSTATE(x, y, c), &dummyPrevQ);
else
initQuantSingleStage(&COEFF_QSTATE(x, y, c), &dummyPrevQ,
COEFF_ORGVAL(x,y,c));
COEFF_TYPE(x, y, c) = UNTYPED;
COEFF_STATE(x, y, c) = S_DC;
}
noteDetail("Completed initializing of DC coefficient information.");
return err;
}
Void CVTCDecoder::iQuantizeCoeff(Int x, Int y, Int c)
{
Int dumQ=0;
/* assign new quantization value - update quant state */
if (mzte_codec.m_iQuantType == MULTIPLE_Q)
COEFF_RECVAL(x,y,c) =
invQuantSingleStage(COEFF_VAL(x,y,c), USER_Q(c), &COEFF_QSTATE(x,y,c),
&prevQList2[c][coordToSpatialLev(x,y,c)], 0);
else if (mzte_codec.m_iQuantType == SINGLE_Q)
COEFF_RECVAL(x,y,c) =
invQuantSingleStage(COEFF_VAL(x,y,c), USER_Q(c), &COEFF_QSTATE(x,y,c),
&dumQ, 0);
}
// hjlee 0901
Int CVTCCommon::ztqInitAC(Int decode, Int c)
{
Int err;
Int x, y, xc[4], yc[4];
Int height, width;
Int dummyPrevQ;
err = 0;
noteDetail("Initializing AC coefficient information for col %d....",c);
height = mzte_codec.m_iHeight >> (int)(c!=0);
width = mzte_codec.m_iWidth >> (int)(c!=0);
noteDebug("Image: Width=%d, Height=%d", width, height);
for (y = 0; y < height; ++y)
for (x = 0; x < width; ++x)
{
if (x >= mzte_codec.m_iDCWidth || y >= mzte_codec.m_iDCHeight)
{
if (decode)
initInvQuantSingleStage(&COEFF_QSTATE(x, y, c), &dummyPrevQ);
else
{
initQuantSingleStage(&COEFF_QSTATE(x, y, c), &dummyPrevQ,
COEFF_ORGVAL(x,y,c));
}
COEFF_TYPE(x, y, c) = UNTYPED;
/* AC Bands */
if (findChild(x, y, xc, yc, c)==0 ||
x >= mzte_codec.m_SPlayer[c].width ||
y >= mzte_codec.m_SPlayer[c].height) /* leaf */
COEFF_STATE(x, y, c) = S_LINIT;
else
COEFF_STATE(x, y,c) = S_INIT;
}
}
noteDetail("Completed Initializing of AC coefficient information.");
return err;
}
