bits 10 to 15 are reserved for future expansion. The the low eight bits
are reserved for local use, e.g., to allow migration from one set of
parameters for a particular transform to a different, incompatible set
bits 10 to 15 are reserved for future expansion. The the low eight bits
are reserved for local use, e.g., to allow migration from one set of
parameters for a particular transform to a different, incompatible set