?? mc.cpp
字號:
iXBakTop -= 2*x; iYBakTop -= 2*y;
motionCompFieldUV(m_ppxlcPredMBBackU, m_ppxlcPredMBBackV, m_pvopcRefQ1, x, y,
(iXBakTop & 3) ? ((iXBakTop >> 1) | 1) : (iXBakTop >> 1),
(iYBakTop & 6) ? ((iYBakTop >> 1) | 2) : (iYBakTop >> 1), 0,
prctMVLimitBak); // added by Y.Suzuki for the extended bounding box support
}
else { // plane=1, grey scale MC
for(Int iAuxComp=0;iAuxComp<m_volmd.iAuxCompCount;iAuxComp++) { // MAC (SB) 26-Nov-99
motionCompYField(m_ppxlcPredMBBackA[iAuxComp], m_pvopcRefQ1->pixelsA(iAuxComp), iXBakTop, iYBakTop,
prctMVLimitBak); // added by Y.Suzuki for the extended bounding box support
}
iXBakTop -= 2*x; iYBakTop -= 2*y;
}
}
// Motion compensate the bottom field forward
if (m_volmd.bQuarterSample) {
iXFwdBot += 4*x; iYFwdBot += 4*y;
// limitMVRangeToExtendedBBQuarterPel(iXFwdBot, iYFwdBot, prctMVLimitFwd, MB_SIZE); // deleted by Y.Suzuki for the extended bounding box support
if (plane==0) { // texture MC
motionCompQuarterSample(m_ppxlcPredMBY + MB_SIZE,
m_pvopcRefQ0->pixelsY() + iBotRefFldOffset * m_iFrameWidthY, 0,
iXFwdBot, iYFwdBot, m_vopmd.iRoundingControl, prctMVLimitFwd);
// iXFBQSUV += 2*x; iYFBQSUV += 2*y; // deleted by Y.Suzuki for the extended bounding box support
// limitMVRangeToExtendedBBHalfPel(iXFBQSUV, iYFBQSUV, prctMVLimitFwd, MB_SIZE); // delted by Y.Suzuki for the extended bounding box support
// iXFBQSUV -= 2*x; iYFBQSUV -= 2*y; // deleted by Y.Suzuki for the extended bounding box support
motionCompFieldUV(
m_ppxlcPredMBU + BLOCK_SIZE, m_ppxlcPredMBV + BLOCK_SIZE,
m_pvopcRefQ0, x, y,
(iXFBQSUV & 3) ? ((iXFBQSUV >> 1) | 1) : (iXFBQSUV >> 1),
(iYFBQSUV & 6) ? ((iYFBQSUV >> 1) | 2) : (iYFBQSUV >> 1),
iBotRefFldOffset,
prctMVLimitFwd); // added by Y.Suzuki for the extended bounding box support
}
else { // plane=1, grey scale MC
for(Int iAuxComp=0;iAuxComp<m_volmd.iAuxCompCount;iAuxComp++) { // MAC (SB) 26-Nov-99
motionCompQuarterSample(
m_ppxlcPredMBA[iAuxComp] + MB_SIZE,
m_pvopcRefQ0->pixelsA(iAuxComp) + iBotRefFldOffset * m_iFrameWidthY, 0,
iXFwdBot, iYFwdBot, m_vopmd.iRoundingControl, prctMVLimitFwd);
}
}
}
else {
iXFwdBot += 2*x; iYFwdBot += 2*y;
// limitMVRangeToExtendedBBHalfPel(iXFwdBot, iYFwdBot, prctMVLimitFwd, MB_SIZE); // deleted by Y.Suzuki for the extended bounding box support
if (plane==0) { // texture MC
motionCompYField(m_ppxlcPredMBY + MB_SIZE,
m_pvopcRefQ0->pixelsY() + iBotRefFldOffset * m_iFrameWidthY, iXFwdBot, iYFwdBot,
prctMVLimitFwd); // added by Y.Suzuki for the extended bounding box support
iXFwdBot -= 2*x; iYFwdBot -= 2*y;
motionCompFieldUV(m_ppxlcPredMBU + BLOCK_SIZE, m_ppxlcPredMBV + BLOCK_SIZE, m_pvopcRefQ0, x, y,
(iXFwdBot & 3) ? ((iXFwdBot >> 1) | 1) : (iXFwdBot >> 1),
(iYFwdBot & 6) ? ((iYFwdBot >> 1) | 2) : (iYFwdBot >> 1), iBotRefFldOffset,
prctMVLimitFwd); // added by Y.Suzuki for the extended bounding box support
}
else { // plane=1, grey scale MC
for(Int iAuxComp=0;iAuxComp<m_volmd.iAuxCompCount;iAuxComp++) { // MAC (SB) 26-Nov-99
motionCompYField(m_ppxlcPredMBA[iAuxComp] + MB_SIZE,
m_pvopcRefQ0->pixelsA(iAuxComp) + iBotRefFldOffset * m_iFrameWidthY, iXFwdBot, iYFwdBot,
prctMVLimitFwd); // added by Y.Suzuki for the extended bounding box support
}
iXFwdBot -= 2*x; iYFwdBot -= 2*y;
}
}
// Motion compensate the bottom field backward
if (m_volmd.bQuarterSample) {
iXBakBot += 4*x; iYBakBot += 4*y;
// limitMVRangeToExtendedBBQuarterPel(iXBakBot, iYBakBot, prctMVLimitFwd, MB_SIZE); // deleted by Y.Suzuki for the extended bounding box support
if (plane==0) { // texture MC
motionCompQuarterSample(m_ppxlcPredMBBackY + MB_SIZE,
m_pvopcRefQ1->pixelsY() + m_iFrameWidthY, 0,
iXBakBot, iYBakBot, m_vopmd.iRoundingControl, prctMVLimitBak); // 991201 mwi, chg Fwd->Bak
// iXBBQSUV += 2*x; iYBBQSUV += 2*y; // deleted by Y.Suzuki for the extended bounding box support
// limitMVRangeToExtendedBBHalfPel(iXBBQSUV, iYBBQSUV, prctMVLimitBak, MB_SIZE); // deleted by Y.Suzuki for the extended bounding box support
// iXBBQSUV -= 2*x; iYBBQSUV -= 2*y; // deleted by Y.Suzuki for the extended bounding box support
motionCompFieldUV(m_ppxlcPredMBBackU + BLOCK_SIZE,
m_ppxlcPredMBBackV + BLOCK_SIZE, m_pvopcRefQ1, x, y,
(iXBBQSUV & 3) ? ((iXBBQSUV >> 1) | 1) : (iXBBQSUV >> 1),
(iYBBQSUV & 6) ? ((iYBBQSUV >> 1) | 2) : (iYBBQSUV >> 1),
1,
prctMVLimitBak); // added by Y.Suzuki for the extended bounding box support // 991201 mwi, chg Fwd->Bak
}
else { // plane=1, grey scale MC
for(Int iAuxComp=0;iAuxComp<m_volmd.iAuxCompCount;iAuxComp++) { // MAC (SB) 26-Nov-99
motionCompQuarterSample(m_ppxlcPredMBBackA[iAuxComp] + MB_SIZE,
m_pvopcRefQ1->pixelsA(iAuxComp) + m_iFrameWidthY, 0,
iXBakBot, iYBakBot, m_vopmd.iRoundingControl, prctMVLimitBak); // 991201 mwi, chg Fwd->Bak
}
}
}
else {
iXBakBot += 2*x; iYBakBot += 2*y;
// limitMVRangeToExtendedBBHalfPel(iXBakBot, iYBakBot, prctMVLimitBak, MB_SIZE); // deleted by Y.Suzuki for the extended bounding box support
if (plane==0) { // texture MC
motionCompYField(m_ppxlcPredMBBackY + MB_SIZE, m_pvopcRefQ1->pixelsY() + m_iFrameWidthY,
iXBakBot, iYBakBot,
prctMVLimitBak); // added by Y.Suzuki for the extended bounding box support
iXBakBot -= 2*x; iYBakBot -= 2*y;
motionCompFieldUV(m_ppxlcPredMBBackU + BLOCK_SIZE, m_ppxlcPredMBBackV + BLOCK_SIZE, m_pvopcRefQ1, x, y,
(iXBakBot & 3) ? ((iXBakBot >> 1) | 1) : (iXBakBot >> 1),
(iYBakBot & 6) ? ((iYBakBot >> 1) | 2) : (iYBakBot >> 1), 1,
prctMVLimitBak); // added by Y.Suzuki for the extended bounding box support
}
else { // plane=1, grey scale MC
for(Int iAuxComp=0;iAuxComp<m_volmd.iAuxCompCount;iAuxComp++) { // MAC (SB) 26-Nov-99
motionCompYField(m_ppxlcPredMBBackA[iAuxComp] + MB_SIZE, m_pvopcRefQ1->pixelsA(iAuxComp) + m_iFrameWidthY,
iXBakBot, iYBakBot,
prctMVLimitBak); // added by Y.Suzuki for the extended bounding box support
}
iXBakBot -= 2*x; iYBakBot -= 2*y;
}
}
} else {
Int iTempRefD = m_tFutureRef - m_tPastRef;
Int iTempRefB = m_t - m_tPastRef;
assert(iTempRefD > 0); assert(iTempRefB > 0);
Int iChromaFwdX = 0, iChromaFwdY = 0, iChromaBakX = 0, iChromaBakY = 0;
CVector vctFwd, vctBak;
static I8 iBlkXOffset[] = { 0, 2*BLOCK_SIZE, 0, 2*BLOCK_SIZE };
static I8 iBlkYOffset[] = { 0, 0, 2*BLOCK_SIZE, 2*BLOCK_SIZE };
static Int iMBOffset[] = { 0, BLOCK_SIZE, MB_SIZE*BLOCK_SIZE, MB_SIZE*BLOCK_SIZE + BLOCK_SIZE };
if ((pmbmdRef->m_dctMd == INTRA) || (pmbmdRef->m_dctMd == INTRAQ)) {
static CMotionVector mvZero[5];
pmvRef = mvZero;
}
if(iMBX<m_iNumMBXRef && iMBX>=0 && iMBY<m_iNumMBYRef && iMBY>=0) // new changes 10/21/98
{
if (pmbmdRef -> m_bhas4MVForward || m_volmd.bQuarterSample) {
for (Int iBlk = 0; iBlk < 4; iBlk++) {
if(pmbmd->m_rgTranspStatus[iBlk+1]!=ALL) {
vctFwd = (pmvRef[iBlk + 1].m_vctTrueHalfPel * iTempRefB) / iTempRefD + pmbmd->m_vctDirectDeltaMV;
vctBak.x = pmbmd->m_vctDirectDeltaMV.x ? (vctFwd.x - pmvRef[iBlk + 1].m_vctTrueHalfPel.x) :
((pmvRef[iBlk + 1].m_vctTrueHalfPel.x * (iTempRefB - iTempRefD)) / iTempRefD);
vctBak.y = pmbmd->m_vctDirectDeltaMV.y ? (vctFwd.y - pmvRef[iBlk + 1].m_vctTrueHalfPel.y) :
((pmvRef[iBlk + 1].m_vctTrueHalfPel.y * (iTempRefB - iTempRefD)) / iTempRefD);
if (m_volmd.bQuarterSample) {
motionCompQuarterSample(m_ppxlcPredMBY + iMBOffset[iBlk],
m_pvopcRefQ0->pixelsY(), BLOCK_SIZE,
x * 4 + iBlkXOffset[iBlk] * 2 + vctFwd.x,
y * 4 + iBlkYOffset[iBlk] * 2 + vctFwd.y, m_vopmd.iRoundingControl, prctMVLimitFwd);
motionCompQuarterSample(m_ppxlcPredMBBackY + iMBOffset[iBlk],
m_pvopcRefQ1->pixelsY(), BLOCK_SIZE,
x * 4 + iBlkXOffset[iBlk] * 2 + vctBak.x,
y * 4 + iBlkYOffset[iBlk] * 2 + vctBak.y, m_vopmd.iRoundingControl, prctMVLimitBak);
}
else {
motionComp(m_ppxlcPredMBY + iMBOffset[iBlk], m_pvopcRefQ0->pixelsY(), BLOCK_SIZE,
x * 2 + iBlkXOffset[iBlk] + vctFwd.x, y * 2 + iBlkYOffset[iBlk] + vctFwd.y, m_vopmd.iRoundingControl, prctMVLimitFwd);
motionComp(m_ppxlcPredMBBackY + iMBOffset[iBlk], m_pvopcRefQ1->pixelsY(), BLOCK_SIZE,
x * 2 + iBlkXOffset[iBlk] + vctBak.x, y * 2 + iBlkYOffset[iBlk] + vctBak.y, m_vopmd.iRoundingControl, prctMVLimitBak);
}
if (m_volmd.bQuarterSample) {
iChromaFwdX += vctFwd.x/2;
iChromaFwdY += vctFwd.y/2;
iChromaBakX += vctBak.x/2;
iChromaBakY += vctBak.y/2;
}
else {
iChromaFwdX += vctFwd.x;
iChromaFwdY += vctFwd.y;
iChromaBakX += vctBak.x;
iChromaBakY += vctBak.y;
}
uiDivisor += 4;
}
}
switch (uiDivisor) {
case 4:
rgiMvRound = grgiMvRound4;
break;
case 8:
rgiMvRound = grgiMvRound8;
break;
case 12:
rgiMvRound = grgiMvRound12;
break;
case 16:
rgiMvRound = grgiMvRound16;
break;
}
xRefUVF = sign (iChromaFwdX) * (rgiMvRound [abs (iChromaFwdX) % uiDivisor] + (abs (iChromaFwdX) / uiDivisor) * 2);
yRefUVF = sign (iChromaFwdY) * (rgiMvRound [abs (iChromaFwdY) % uiDivisor] + (abs (iChromaFwdY) / uiDivisor) * 2);
xRefUVB = sign (iChromaBakX) * (rgiMvRound [abs (iChromaBakX) % uiDivisor] + (abs (iChromaBakX) / uiDivisor) * 2);
yRefUVB = sign (iChromaBakY) * (rgiMvRound [abs (iChromaBakY) % uiDivisor] + (abs (iChromaBakY) / uiDivisor) * 2);
}
else {
vctFwd = (pmvRef[0].m_vctTrueHalfPel * iTempRefB) / iTempRefD + pmbmd->m_vctDirectDeltaMV;
vctBak.x = pmbmd->m_vctDirectDeltaMV.x ? (vctFwd.x - pmvRef[0].m_vctTrueHalfPel.x) :
((pmvRef[0].m_vctTrueHalfPel.x * (iTempRefB - iTempRefD)) / iTempRefD);
vctBak.y = pmbmd->m_vctDirectDeltaMV.y ? (vctFwd.y - pmvRef[0].m_vctTrueHalfPel.y) :
((pmvRef[0].m_vctTrueHalfPel.y * (iTempRefB - iTempRefD)) / iTempRefD);
if (m_volmd.bQuarterSample) {
// mod 991201 mwi
for (Int iBlk = 0; iBlk < 4; iBlk++) {
motionCompQuarterSample(m_ppxlcPredMBY + iMBOffset[iBlk],
m_pvopcRefQ0->pixelsY(), BLOCK_SIZE,
x * 4 + iBlkXOffset[iBlk] * 2 + vctFwd.x,
y * 4 + iBlkYOffset[iBlk] * 2 + vctFwd.y,
m_vopmd.iRoundingControl, prctMVLimitFwd);
motionCompQuarterSample(m_ppxlcPredMBBackY + iMBOffset[iBlk] ,
m_pvopcRefQ1->pixelsY(), BLOCK_SIZE,
x * 4 + iBlkXOffset[iBlk] * 2 + vctBak.x,
y * 4 + iBlkYOffset[iBlk] * 2 + vctBak.y,
m_vopmd.iRoundingControl, prctMVLimitBak);
}
// ~mod 991201 mwi
}
else {
motionComp(m_ppxlcPredMBY, m_pvopcRefQ0->pixelsY(), MB_SIZE,
x * 2 + vctFwd.x, y * 2 + vctFwd.y, m_vopmd.iRoundingControl, prctMVLimitFwd);
motionComp(m_ppxlcPredMBBackY , m_pvopcRefQ1->pixelsY(), MB_SIZE,
x * 2 + vctBak.x, y * 2 + vctBak.y, m_vopmd.iRoundingControl, prctMVLimitBak);
}
if (m_volmd.bQuarterSample) {
iChromaFwdX = vctFwd.x/2;
iChromaFwdY = vctFwd.y/2;
iChromaBakX = vctBak.x/2;
iChromaBakY = vctBak.y/2;
}
else {
iChromaFwdX = vctFwd.x;
iChromaFwdY = vctFwd.y;
iChromaBakX = vctBak.x;
iChromaBakY = vctBak.y;
}
xRefUVF = sign (iChromaFwdX) * (grgiMvRound4 [abs (iChromaFwdX) % 4] + (abs (iChromaFwdX) / 4) * 2);
yRefUVF = sign (iChromaFwdY) * (grgiMvRound4 [abs (iChromaFwdY) % 4] + (abs (iChromaFwdY) / 4) * 2);
xRefUVB = sign (iChromaBakX) * (grgiMvRound4 [abs (iChromaBakX) % 4] + (abs (iChromaBakX) / 4) * 2);
yRefUVB = sign (iChromaBakY) * (grgiMvRound4 [abs (iChromaBakY) % 4] + (abs (iChromaBakY) / 4) * 2);
}
}
// begin of new changes 10/21/98
else
{
vctFwd = pmbmd->m_vctDirectDeltaMV;
vctBak.x = pmbmd->m_vctDirectDeltaMV.x ? vctFwd.x :0;
vctBak.y = pmbmd->m_vctDirectDeltaMV.y ? vctFwd.y :0;
if (m_volmd.bQuarterSample) { // Quarter Sample, mwi
// mod 991201 mwi
for (Int iBlk = 0; iBlk < 4; iBlk++) {
motionCompQuarterSample(m_ppxlcPredMBY + iMBOffset[iBlk],
m_pvopcRefQ0->pixelsY(), BLOCK_SIZE,
x * 4 + iBlkXOffset[iBlk] * 2 + vctFwd.x,
y * 4 + iBlkYOffset[iBlk] * 2 + vctFwd.y,
m_vopmd.iRoundingControl, prctMVLimitFwd);
motionCompQuarterSample(m_ppxlcPredMBBackY + iMBOffset[iBlk],
m_pvopcRefQ1->pixelsY(), BLOCK_SIZE,
x * 4 + iBlkXOffset[iBlk] * 2 + vctBak.x,
y * 4 + iBlkYOffset[iBlk] * 2 + vctBak.y,
m_vopmd.iRoundingControl, prctMVLimitBak);
}
// ~mod 991201 mwi
}
else {
motionComp(m_ppxlcPredMBY, m_pvopcRefQ0->pixelsY(), MB_SIZE,
x * 2 + vctFwd.x, y * 2 + vctFwd.y, m_vopmd.iRoundingControl, prctMVLimitFwd);
motionComp(m_ppxlcPredMBBackY , m_pvopcRefQ1->pixelsY(), MB_SIZE,
x * 2 + vctBak.x, y * 2 + vctBak.y, m_vopmd.iRoundingControl, prctMVLimitBak);
}
if (m_volmd.bQuarterSample) { // Quarter Sample, mwi
iChromaFwdX = vctFwd.x/2;
iChromaFwdY = vctFwd.y/2;
iChromaBakX = vctBak.x/2;
iChromaBakY = vctBak.y/2;
}
else {
iChromaFwdX = vctFwd.x;
iChromaFwdY = vctFwd.y;
iChromaBakX = vctBak.x;
iChromaBakY = vctBak.y;
}
xRefUVF = sign (iChromaFwdX) * (grgiMvRound4 [abs (iChromaFwdX) % 4] + (abs (iChromaFwdX) / 4) * 2);
yRefUVF = sign (iChromaFwdY) * (grgiMvRound4 [abs (iChromaFwdY) % 4] + (abs (iChromaFwdY) / 4) * 2);
xRefUVB = sign (iChromaBakX) * (grgiMvRound4 [abs (iChromaBakX) % 4] + (abs (iChromaBakX) / 4) * 2);
yRefUVB = sign (iChromaBakY) * (grgiMvRound4 [abs (iChromaBakY) % 4] + (abs (iChromaBakY) / 4) * 2);
}
// end of new changes 10/21/98
motionCompUV(m_ppxlcPredMBU, m_ppxlcPredMBV, m_pvopcRefQ0, x, y,
xRefUVF,
yRefUVF,m_vopmd.iRoundingControl, prctMVLimitFwd);
motionCompUV(m_ppxlcPredMBBackU, m_ppxlcPredMBBackV, m_pvopcRefQ1, x, y,
xRefUVB,
yRefUVB,m_vopmd.iRoundingControl, prctMVLimitBak);
}
}
Void CVideoObject::motionCompOneBVOPReference(
CVOPU8YUVBA *pvopcPred,
MBType type,
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