long function ( long arg0 ) { return arg0 - firstByte ; }
given an absolute offset in the groupedrandomaccesssource coordinates , calculate the effective offset in the underlying source concode_field_sep SourceEntry[] sources concode_elem_sep long size concode_elem_sep long lastByte concode_elem_sep int index concode_elem_sep RandomAccessSource source concode_elem_sep long firstByte concode_elem_sep SourceEntry currentSourceEntry concode_field_sep int getStartingSourceIndex concode_elem_sep void sourceReleased concode_elem_sep int get concode_elem_sep int get concode_elem_sep long length concode_elem_sep void sourceInUse concode_elem_sep SourceEntry getSourceEntryForOffset concode_elem_sep void close