CHROMA_CU_420    1170 source/common/pixel.cpp     CHROMA_CU_420(2, 2)
CHROMA_CU_420    1171 source/common/pixel.cpp     CHROMA_CU_420(4, 4)
CHROMA_CU_420    1172 source/common/pixel.cpp     CHROMA_CU_420(8, 8)
CHROMA_CU_420    1173 source/common/pixel.cpp     CHROMA_CU_420(16, 16)
CHROMA_CU_420    1174 source/common/pixel.cpp     CHROMA_CU_420(32, 32)