The program was written with some object-orientation in mind, which means that all functions that operate on a certain structure, has the structure s name as prefix in the function name, for example \"Bitstream_get\" which gets bits from a bitstream structure. -The program was written with some object-o rientation in mind, which means that all functions that operate on a certain structure, has the structure's name as prefix in the functio n name, for example "Bitstream_get" which gets bits fr om a fade structure.