[M4IF Technotes] 8 bit padding before startcodes?

[Christoph Lampert]

Hi,
is it mandatory to have at least 1 bit of padding before any
start_code? So it is possible that 8 bits are needed? 
Or should it be 0 bits then?
E.g. in VisualObjectSequence(), if there is no user_data, 
then always 40 bits = 5 bytes will have been written before 
the VisualObject could start: 
32 bits for visual_object_sequence_start_code  and 
 8 bits for profile_and_level_idication.
Will there be 8 bits = 0x7F of padding then, before 
visual_objects_start_code, or no bits at all? 
Best regards, 
Christoph
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