OMF files contain headers version 1.0 'OMFI:ObjID ', which are variable within the file. The choice to use data from near EOF allows for identification. Version is based on endian, so two bytes are used.
Byte sequences
Position type
Absolute from BOF
Offset
0
Maximum Offset
65536
Byte order
Value
4F4D46493A4F626A4944
Position type
Absolute from EOF
Offset
0
Maximum Offset
24
Byte order
Value
A4434DA5486472D7{4}(0100|0001)
Name
Open Media Framework Interchange 1.0 (sig 2)
Description
OMF files contain headers version 1.0 'OMFI:ObjID ', which are variable within the file. The choice to use data from near EOF allows for identification. Version is based on endian, so two bytes are used.