📄 quarterpelfilter.cpp
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pucDesHP[x+iDesStrideHP] = xClip( ( iTemp + 512) / 1024);
}
pucDesHP += iDesStrideHP<<1;
ps += iStride;
}
}
delete [] psTemp;
psTemp = NULL;
return Err::m_nOK;
}
// ********************** V090 begins ************************************
Void QuarterPelFilter::filterBlock4Tap( XPel* pDes, XPel* pSrc, Int iSrcStride, UInt uiXSize, UInt uiYSize, UInt uiFilter )
{
Int l[20], c[20], r[20], * p;
UInt y, x;
XPel * pS, * pD;
for( x = 0; x < uiXSize; x++, pSrc += 2 )
{
if( uiFilter == 0 ) // vertical full-sample, horizontal full-sample
{
pS = pSrc - 4 * iSrcStride, pD = pDes + x;
for(y = 0; y < 4 + uiYSize; y ++, pS += 2 * iSrcStride)
{
l[y] = 4 * pS[-2] + 14 * pS[0] - pS[-4] - pS[2];
c[y] = pS[0];
r[y] = 14 * pS[0] + 4 * pS[2] - pS[-2] - pS[4];
if(y >= 4){
p = l + y - 4;
pD[0x000] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x300] = xClip((p[2] + 8) >> 4);
pD[0x600] = xClip((14 * p[2] + 4 * p[3] - p[1] - p[4] + 128) >> 8);
p = c + y - 4;
pD[0x100] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 8) >> 4);
pD[0x700] = xClip((14 * p[2] + 4 * p[3] - p[1] - p[4] + 8) >> 4);
p = r + y - 4;
pD[0x200] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x500] = xClip((p[2] + 8) >> 4);
pD[0x800] = xClip((14 * p[2] + 4 * p[3] - p[1] - p[4] + 128) >> 8);
pD += 16;
}
}
}
else if( uiFilter == 1 ) // vertical half-sample, horizontal full-sample
{
pS = pSrc - 4 * iSrcStride - 1, pD = pDes + x;
for(y = 0; y < 4 + uiYSize; y ++, pS += 2 * iSrcStride)
{
l[y] = 14 * pS[0] + 4 * pS[2] - pS[-2] - pS[4];
c[y] = 9 * (pS[0] + pS[2]) - pS[-2] - pS[4];
r[y] = 4 * pS[0] + 14 * pS[2] - pS[-2] - pS[4];
if(y >= 4){
p = l + y - 4;
pD[0x000] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x300] = xClip((p[2] + 8) >> 4);
pD[0x600] = xClip((14 * p[2] + 4 * p[3] - p[1] - p[4] + 128) >> 8);
p = c + y - 4;
pD[0x100] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x700] = xClip((14 * p[2] + 4 * p[3] - p[1] - p[4] + 128) >> 8);
p = r + y - 4;
pD[0x200] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x500] = xClip((p[2] + 8) >> 4);
pD[0x800] = xClip((14 * p[2] + 4 * p[3] - p[1] - p[4] + 128) >> 8);
pD += 16;
}
}
}
else if( uiFilter == 2 ) // vertical full-sample, horizontal half-sample
{
pS = pSrc - 3 * iSrcStride, pD = pDes + x;
for(y = 0; y < 3 + uiYSize; y ++, pS += 2 * iSrcStride)
{
l[y] = 4 * pS[-2] + 14 * pS[0] - pS[-4] - pS[2];
c[y] = pS[0];
r[y] = 14 * pS[0] + 4 * pS[2] - pS[-2] - pS[4];
if(y >= 3){
p = l + y - 3;
pD[0x000] = xClip((14 * p[1] + 4 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x300] = xClip((9 * (p[1] + p[2]) - p[0] - p[3] + 128) >> 8);
pD[0x600] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
p = c + y - 3;
pD[0x100] = xClip((14 * p[1] + 4 * p[2] - p[0] - p[3] + 8) >> 4);
pD[0x700] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 8) >> 4);
p = r + y - 3;
pD[0x200] = xClip((14 * p[1] + 4 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x500] = xClip((9 * (p[1] + p[2]) - p[0] - p[3] + 128) >> 8);
pD[0x800] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
pD += 16;
}
}
}
else // vertical half-sample, horizontal half-sample
{
pS = pSrc - 3 * iSrcStride - 1, pD = pDes + x;
for(y = 0; y < 3 + uiYSize; y ++, pS += 2 * iSrcStride)
{
l[y] = 14 * pS[0] + 4 * pS[2] - pS[-2] - pS[4];
c[y] = 9 * (pS[0] + pS[2]) - pS[-2] - pS[4];
r[y] = 4 * pS[0] + 14 * pS[2] - pS[-2] - pS[4];
if(y >= 3){
p = l + y - 3;
pD[0x000] = xClip((14 * p[1] + 4 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x300] = xClip((9 * (p[1] + p[2]) - p[0] - p[3] + 128) >> 8);
pD[0x600] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
p = c + y - 3;
pD[0x100] = xClip((14 * p[1] + 4 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x700] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
p = r + y - 3;
pD[0x200] = xClip((14 * p[1] + 4 * p[2] - p[0] - p[3] + 128) >> 8);
pD[0x500] = xClip((9 * (p[1] + p[2]) - p[0] - p[3] + 128) >> 8);
pD[0x800] = xClip((4 * p[1] + 14 * p[2] - p[0] - p[3] + 128) >> 8);
pD += 16;
}
}
}
}
}
Void QuarterPelFilter::predBlk4TapD( IntYuvMbBuffer* pcDesBuffer, IntYuvPicBuffer* pcSrcBuffer, LumaIdx cIdx, Mv cMv, Int iSizeY, Int iSizeX)
{
XPel* pucDes = pcDesBuffer->getYBlk( cIdx );
XPel* pucSrc = pcSrcBuffer->getYBlk( cIdx );
Int iDesStride = pcDesBuffer->getLStride();
Int iSrcStride = pcSrcBuffer->getLStride();
Int iOffset = (cMv.getHor() >> 2) + (cMv.getVer() >> 2) * iSrcStride;
Int iTemp1[4], iTemp2, x, y;
int i, j;
Int iDx = cMv.getHor() & 3;
Int iDy = cMv.getVer() & 3;
static int f4tap[4][4] = {
{ 0, 16, 0, 0},
{-1, 14, 4, -1},
{-1, 9, 9, -1},
{-1, 4, 14, -1}
};
pucSrc += iOffset;
for( y = 0; y < iSizeY; y++)
{
for( x = 0; x < iSizeX; x++ )
{
for( i = 0; i < 4; i++ )
{
iTemp1[i] = 0;
for( j = 0; j < 4; j++ )
iTemp1[i] += pucSrc[x + (i - 1) * iSrcStride + j - 1] * f4tap[iDx][j];
}
iTemp2 = 0;
for(j=0;j<4;j++)
iTemp2 += iTemp1[j] * f4tap[iDy][j];
if( m_bClip )
pucDes[x] = xClip( (iTemp2 + 128) >> 8 );
else
pucDes[x] = (iTemp2 >= 0) ? ( (iTemp2 + 128) >> 8 ) : -( (-iTemp2 + 128) >> 8 );
}
pucDes += iDesStride;
pucSrc += iSrcStride;
}
}
Void QuarterPelFilter::predBlk4TapD( YuvMbBuffer* pcDesBuffer, YuvPicBuffer* pcSrcBuffer, LumaIdx cIdx, Mv cMv, Int iSizeY, Int iSizeX)
{
Pel* pucDes = pcDesBuffer->getYBlk( cIdx );
Pel* pucSrc = pcSrcBuffer->getYBlk( cIdx );
Int iDesStride = pcDesBuffer->getLStride();
Int iSrcStride = pcSrcBuffer->getLStride();
Int iOffset = (cMv.getHor() >> 2) + (cMv.getVer() >> 2) * iSrcStride;
Int iTemp1[4], iTemp2, x, y;
Int iDx = cMv.getHor() & 3;
Int iDy = cMv.getVer() & 3;
int i, j;
static int f4tap[4][4] = {
{ 0, 16, 0, 0},
{-1, 14, 4, -1},
{-1, 9, 9, -1},
{-1, 4, 14, -1}
};
pucSrc += iOffset;
for( y = 0; y < iSizeY; y++)
{
for( x = 0; x < iSizeX; x++ )
{
for( i = 0; i < 4; i++ )
{
iTemp1[i] = 0;
for( j = 0; j < 4; j++ )
iTemp1[i] += pucSrc[x + (i - 1) * iSrcStride + j - 1] * f4tap[iDx][j];
}
iTemp2 = 0;
for(j=0;j<4;j++)
iTemp2 += iTemp1[j] * f4tap[iDy][j];
if( m_bClip )
pucDes[x] = xClip( (iTemp2 + 128) >> 8 );
else
pucDes[x] = (iTemp2 >= 0) ? ( (iTemp2 + 128) >> 8 ) : -( (-iTemp2 + 128) >> 8 );
}
pucDes += iDesStride;
pucSrc += iSrcStride;
}
}
// ********************** V090 ends ************************************
Void QuarterPelFilter::filterBlockRCDO( XPel* pDes, XPel* pSrc, Int iSrcStride, UInt uiXSize, UInt uiYSize, UInt uiFilter )
{
UInt y, x;
if( uiFilter == 0 ) // vertical full-sample, horizontal full-sample
{
for( y = 0; y < uiYSize; y++ )
{
for( x = 0; x < uiXSize; x++ )
{
XPel a = pSrc[-iSrcStride], b = pSrc[-1], o = pSrc[0], c = pSrc[1], d = pSrc[iSrcStride];
pDes[0x000] = (a + b + 1) >> 1;
pDes[0x100] = (a + o + 1) >> 1;
pDes[0x200] = (a + c + 1) >> 1;
pDes[0x300] = (b + o + 1) >> 1;
pDes[0x500] = (o + c + 1) >> 1;
pDes[0x600] = (b + d + 1) >> 1;
pDes[0x700] = (o + d + 1) >> 1;
pDes[0x800] = (c + d + 1) >> 1;
pSrc += 2;
pDes++;
}
pSrc += 2*(iSrcStride - uiXSize);
pDes += 16 - uiXSize;
}
}
else if( uiFilter == 1 ) // vertical full-sample, horizontal half-sample
{
for( y = 0; y < uiYSize; y++ )
{
for( x = 0; x < uiXSize; x++ )
{
pDes[0x000] = ( pSrc[ 0] + pSrc[-iSrcStride - 1] + 1 ) >> 1;
pDes[0x100] = ( pSrc[ 1] + pSrc[-iSrcStride - 1] + 1 ) >> 1;
pDes[0x200] = ( pSrc[ 0] + pSrc[-iSrcStride + 1] + 1 ) >> 1;
pDes[0x300] = ( pSrc[ 0] + pSrc[ - 1] + 1 ) >> 1;
pDes[0x500] = ( pSrc[ 0] + pSrc[ 1] + 1 ) >> 1;
pDes[0x600] = ( pSrc[ 0] + pSrc[ iSrcStride - 1] + 1 ) >> 1;
pDes[0x700] = ( pSrc[-1] + pSrc[ iSrcStride + 1] + 1 ) >> 1;
pDes[0x800] = ( pSrc[ 0] + pSrc[ iSrcStride + 1] + 1 ) >> 1;
pSrc += 2;
pDes++;
}
pSrc += 2*(iSrcStride - uiXSize);
pDes += 16 - uiXSize;
}
}
else if( uiFilter == 2 ) // vertical half-sample, horizontal full-sample
{
for( y = 0; y < uiYSize; y++ )
{
for( x = 0; x < uiXSize; x++ )
{
pDes[0x000] = ( pSrc[0] + pSrc[-iSrcStride-1] + 1 ) >> 1;
pDes[0x100] = ( pSrc[0] + pSrc[-iSrcStride ] + 1 ) >> 1;
pDes[0x200] = ( pSrc[0] + pSrc[-iSrcStride+1] + 1 ) >> 1;
pDes[0x300] = ( pSrc[iSrcStride-1] + pSrc[-iSrcStride ] + 1 ) >> 1;
pDes[0x500] = ( pSrc[iSrcStride] + pSrc[-iSrcStride+1] + 1 ) >> 1;
pDes[0x600] = ( pSrc[0] + pSrc[ iSrcStride-1] + 1 ) >> 1;
pDes[0x700] = ( pSrc[0] + pSrc[ iSrcStride ] + 1 ) >> 1;
pDes[0x800] = ( pSrc[0] + pSrc[ iSrcStride+1] + 1 ) >> 1;
pSrc += 2;
pDes++;
}
pSrc += 2*(iSrcStride - uiXSize);
pDes += 16 - uiXSize;
}
}
else // vertical half-sample, horizontal half-sample
{
for( y = 0; y < uiYSize; y++ )
{
for( x = 0; x < uiXSize; x++ )
{
pDes[0x000] = ( pSrc[-1] + pSrc[-iSrcStride ] + 1 ) >> 1;
pDes[0x100] = ( pSrc[ 1] + pSrc[-iSrcStride-1] + 1 ) >> 1;
pDes[0x200] = ( pSrc[ 1] + pSrc[-iSrcStride ] + 1 ) >> 1;
pDes[0x300] = ( pSrc[ iSrcStride-1] + pSrc[-iSrcStride ] + 1 ) >> 1;
pDes[0x500] = ( pSrc[-iSrcStride+1] + pSrc[ iSrcStride ] + 1 ) >> 1;
pDes[0x600] = ( pSrc[-1] + pSrc[ iSrcStride ] + 1 ) >> 1;
pDes[0x700] = ( pSrc[-1] + pSrc[ iSrcStride+1] + 1 ) >> 1;
pDes[0x800] = ( pSrc[ 1] + pSrc[ iSrcStride ] + 1 ) >> 1;
pSrc += 2;
pDes++;
}
pSrc += 2*(iSrcStride - uiXSize);
pDes += 16 - uiXSize;
}
}
}
Void QuarterPelFilter::predBlkRCDO( IntYuvMbBuffer* pcDesBuffer, IntYuvPicBuffer* pcSrcBuffer, LumaIdx cIdx, Mv cMv, Int iSizeY, Int iSizeX)
{
XPel* pucDes = pcDesBuffer->getYBlk( cIdx );
XPel* pucSrc = pcSrcBuffer->getYBlk( cIdx );
Int iDesStride = pcDesBuffer->getLStride();
Int iSrcStride = pcSrcBuffer->getLStride();
Int iOffset = (cMv.getHor() >> 2) + (cMv.getVer() >> 2) * iSrcStride;
pucSrc += iOffset;
Int iDx = cMv.getHor() & 3;
Int iDy = cMv.getVer() & 3;
for( Int y = 0; y < iSizeY; y++)
{
for( Int x = 0; x < iSizeX; x++ )
{
XPel A = pucSrc[x];
XPel B = pucSrc[x+1];
XPel C = pucSrc[x+iSrcStride];
XPel D = pucSrc[x+iSrcStride+1];
XPel* p = pucSrc+x;
XPel b, h, j, m, s;
j = (B + C) >> 1;
b = xClip( ( (p[0]+p[1])*20 - (p[-1]+p[2])* 5 +(p[-2]+p[3]) + 6 ) >> 5 );
h = xClip( ( (p[0]+p[iSrcStride])*5 - (p[-iSrcStride]+p[2*iSrcStride]) + 1 ) >> 3);
p = pucSrc+x+iSrcStride;
s = xClip( ( (p[0]+p[1])*20 - (p[-1]+p[2])* 5 +(p[-2]+p[3]) + 6 ) >> 5 );
p = pucSrc+x+1;
m = xClip( ( (p[0]+p[iSrcStride])*5 - (p[-iSrcStride]+p[2*iSrcStride]) + 1 ) >> 3);
if( iDy == 0 )
{
pucDes[x] = ( iDx == 0 ? A : ( iDx == 1 ? (A + b + 1) >> 1 : ( iDx == 2 ? b : (B + b + 1) >> 1 ) ) );
}
else if( iDy == 1 )
{
pucDes[x] = ( iDx == 0 ? (A + h + 1) >> 1 : ( iDx == 1 ? (b + h + 1) >> 1 : ( iDx == 2 ? (A + m + 1) >> 1 : (b + m + 1) >> 1 ) ) );
}
else if( iDy == 2 )
{
pucDes[x] = ( iDx == 0 ? h : ( iDx == 1 ? (C + b + 1) >> 1 : ( iDx == 2 ? j : (B + s + 1) >> 1 ) ) );
}
else
{
pucDes[x] = ( iDx == 0 ? (C + h + 1) >> 1 : ( iDx == 1 ? (h + s + 1) >> 1 : ( iDx == 2 ? (D + h + 1) >> 1 : (m + s + 1) >> 1 ) ) );
}
}
pucDes += iDesStride;
pucSrc += iSrcStride;
}
}
Void QuarterPelFilter::predBlkRCDO( YuvMbBuffer* pcDesBuffer, YuvPicBuffer* pcSrcBuffer, LumaIdx cIdx, Mv cMv, Int iSizeY, Int iSizeX)
{
Pel* pucDes = pcDesBuffer->getYBlk( cIdx );
Pel* pucSrc = pcSrcBuffer->getYBlk( cIdx );
Int iDesStride = pcDesBuffer->getLStride();
Int iSrcStride = pcSrcBuffer->getLStride();
Int iOffset = (cMv.getHor() >> 2) + (cMv.getVer() >> 2) * iSrcStride;
pucSrc += iOffset;
Int iDx = cMv.getHor() & 3;
Int iDy = cMv.getVer() & 3;
for( Int y = 0; y < iSizeY; y++)
{
for( Int x = 0; x < iSizeX; x++ )
{
Pel A = pucSrc[x];
Pel B = pucSrc[x+1];
Pel C = pucSrc[x+iSrcStride];
Pel D = pucSrc[x+iSrcStride+1];
Pel* p = pucSrc+x;
Pel b, h, j, m, s;
j = (B + C) >> 1;
b = xClip( ( (p[0]+p[1])*20 - (p[-1]+p[2])* 5 +(p[-2]+p[3]) + 6 ) >> 5 );
h = xClip( ( (p[0]+p[iSrcStride])*5 - (p[-iSrcStride]+p[2*iSrcStride]) + 1 ) >> 3);
p = pucSrc+x+iSrcStride;
s = xClip( ( (p[0]+p[1])*20 - (p[-1]+p[2])* 5 +(p[-2]+p[3]) + 6 ) >> 5 );
p = pucSrc+x+1;
m = xClip( ( (p[0]+p[iSrcStride])*5 - (p[-iSrcStride]+p[2*iSrcStride]) + 1 ) >> 3);
if( iDy == 0 )
{
pucDes[x] = ( iDx == 0 ? A : ( iDx == 1 ? (A + b + 1) >> 1 : ( iDx == 2 ? b : (B + b + 1) >> 1 ) ) );
}
else if( iDy == 1 )
{
pucDes[x] = ( iDx == 0 ? (A + h + 1) >> 1 : ( iDx == 1 ? (b + h + 1) >> 1 : ( iDx == 2 ? (A + m + 1) >> 1 : (b + m + 1) >> 1 ) ) );
}
else if( iDy == 2 )
{
pucDes[x] = ( iDx == 0 ? h : ( iDx == 1 ? (C + b + 1) >> 1 : ( iDx == 2 ? j : (B + s + 1) >> 1 ) ) );
}
else
{
pucDes[x] = ( iDx == 0 ? (C + h + 1) >> 1 : ( iDx == 1 ? (h + s + 1) >> 1 : ( iDx == 2 ? (D + h + 1) >> 1 : (m + s + 1) >> 1 ) ) );
}
}
pucDes += iDesStride;
pucSrc += iSrcStride;
}
}
Void QuarterPelFilter::xFilter1( Pel* pDes, Pel* pSrc, Int iSrcStride, UInt uiXSize, UInt uiYSize )
{
UInt y, x;
for( y = 0; y < uiYSize; y++ )
{
for( x = 0; x < uiXSize; x++ )
{
Int a = pSrc[-1];
Int b = pSrc[-iSrcStride];
Int c = pSrc[+1];
Int d = pSrc[iSrcStride];
Int o = pSrc[0];
pDes[0x000] = (a + b + 1) >> 1;
pDes[0x100] = (b + o + 1) >> 1;
pDes[0x200] = (b + c + 1) >> 1;
pDes[0x300] = (a + o + 1) >> 1;
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