own CVOPU8YUVBA* CVOPU8YUVBA::downsampleForSpatialScalability () const
{
//only handle CIF->QCIF for RECTANGULAR VOP
assert (m_fAUsage == RECTANGLE);
/* CRct rctDown = */ whereY ();
assert (whereY().left == 0 && whereY().top == 0);
CVOPU8YUVBA* pvopfRet = new CVOPU8YUVBA (m_fAUsage);
assert (pvopfRet != NULL);
pvopfRet -> m_puciY = m_puciY->downsampleForSpatialScalability ();
pvopfRet -> m_puciU = m_puciU->downsampleForSpatialScalability ();
pvopfRet -> m_puciV = m_puciV->downsampleForSpatialScalability ();
pvopfRet -> m_puciBY = new CU8Image (pvopfRet->whereY (), opaqueValue);
pvopfRet -> m_puciBUV = new CU8Image (pvopfRet->whereUV (), opaqueValue);
return pvopfRet;
}
void SnakeAPI::putChar(char ch, int left, int top)
{
if (top == CURRENT_CURSOR)
{
left = whereX();
top = whereY();
}
COORD coord = {left, top};
DWORD cCharsWritten;
FillConsoleOutputCharacterA(hSnakeAPI, ch, 1, coord, &cCharsWritten);
}
own Double* CVOPU8YUVBA::snr (const CVOPU8YUVBA& vopf) const
{
assert (whereY () == vopf.whereY () && whereUV () == vopf.whereUV ());
Double* psnr = new Double [3+m_iAuxCompCount]; // mean square
CU8Image* puciBOr = new CU8Image (*m_puciBY);
puciBOr ->CU8Image_or (*vopf.getPlane (BY_PLANE));
CU8Image* puciExp0 = new CU8Image (*m_puciY, puciBOr -> where ());
CU8Image* puciExp1 = new CU8Image (*vopf.getPlane (Y_PLANE), puciBOr -> where ());
psnr [0] = puciExp1 -> snr (*puciExp0, *puciBOr);
delete puciExp0;
delete puciExp1;
if (fAUsage () == EIGHT_BIT) {
assert( m_iAuxCompCount==vopf.m_iAuxCompCount );
for(Int iAuxComp=0;iAuxComp<m_iAuxCompCount;iAuxComp++) { // MAC (SB) 26-Nov-99
puciExp0 = new CU8Image (*m_ppuciA[iAuxComp], puciBOr -> where ());
puciExp1 = new CU8Image (*vopf.getPlaneA (iAuxComp), puciBOr -> where ());
psnr [3+iAuxComp] = puciExp1 -> snr (*puciExp0, *puciBOr);
delete puciExp0;
delete puciExp1;
}
}
delete puciBOr;
puciBOr = new CU8Image (*m_puciBUV);
puciBOr ->CU8Image_or (*vopf.getPlane (BUV_PLANE));
puciExp0 = new CU8Image (*m_puciU, puciBOr -> where ());
puciExp1 = new CU8Image (*vopf.getPlane (U_PLANE), puciBOr -> where ());
psnr [1] = puciExp1 -> snr (*puciExp0, *puciBOr);
delete puciExp0;
delete puciExp1;
puciExp0 = new CU8Image (*m_puciV, puciBOr -> where ());
puciExp1 = new CU8Image (*vopf.getPlane (V_PLANE), puciBOr -> where ());
psnr [2] = puciExp1 -> snr (*puciExp0, *puciBOr);
delete puciExp0;
delete puciExp1;
delete puciBOr;
return psnr;
}