#define JVET_O0247_ALF_CTB_CODING_REDUNDANCY_REMOVAL 1 // JVET-O0247: not signal APS index when number APS is 2
#define JVET_O0637_CHROMA_GRADIENT_LINE_SELECTION 1 // Choose line0 and line3 for gradient computation when chroma is same size as luma
#define JVET_O0288_UNIFY_ALF_SLICE_TYPE_REMOVAL 1 // JVET-O0288: remove slice type dependency in ALF
#define JVET_O0064_SIMP_ALF_CLIP_CODING 1 // JVET-O0047/O0058/O0064/O0067/O0290/O0301/O0430: use FLC for alf clipping indices, always signal alf clipping indices