SEQUENCE_FLAG
seq->enable_superres = SEQUENCE_FLAG(ctrl_seq, ENABLE_SUPERRES);
seq->enable_filter_intra = SEQUENCE_FLAG(ctrl_seq, ENABLE_FILTER_INTRA);
seq->enable_intra_edge_filter = SEQUENCE_FLAG(ctrl_seq, ENABLE_INTRA_EDGE_FILTER);
seq->enable_interintra_compound = SEQUENCE_FLAG(ctrl_seq, ENABLE_INTERINTRA_COMPOUND);
seq->enable_masked_compound = SEQUENCE_FLAG(ctrl_seq, ENABLE_MASKED_COMPOUND);
seq->enable_dual_filter = SEQUENCE_FLAG(ctrl_seq, ENABLE_DUAL_FILTER);
seq->enable_jnt_comp = SEQUENCE_FLAG(ctrl_seq, ENABLE_JNT_COMP);
seq->mono_chrome = SEQUENCE_FLAG(ctrl_seq, MONO_CHROME);
seq->enable_order_hint = SEQUENCE_FLAG(ctrl_seq, ENABLE_ORDER_HINT);
seq->use_128x128_superblock = SEQUENCE_FLAG(ctrl_seq, USE_128X128_SUPERBLOCK);
seq->subsampling_x = SEQUENCE_FLAG(ctrl_seq, SUBSAMPLING_X);
seq->subsampling_y = SEQUENCE_FLAG(ctrl_seq, SUBSAMPLING_Y);