N0473 – Deblocking of Internal Transform Boundaries

[bheng]

The following code will cause the deblocking process to stop if a CU is not aligned with the 8x8 filtering grid. However, internal transform boundaries can still fall on the 8x8 filtering grid even if the CU does not. So, I believe the following lines should be deleted.

void LoopFilter::xDeblockCU( CodingUnit& cu, const DeblockEdgeDir edgeDir )
{

...

if (edgeDir == EDGE_HOR)
{

if (!((cu.block(COMPONENT_Y).y % 8) == 0))

return;

}
else
{

if (!((cu.block(COMPONENT_Y).x % 8) == 0))

return;

}

...

}