[M4IF Technotes] question about bab_type

[Herbert Thoma]

tetsuo kosuge schrieb:
> 
> Hello MPEG-4 Experts:
>         I have a question about bab_type.
>         I don't understand how to use of Tbl.B-27;
>         The horizontal row is Shape Mode, isn't it ?
>         And '1'-'001' is VLC-Code.
>         What mean of the vertical row (indicates 1-80) ?

That's the 'context'. See section 7.5.2.1.1 of ISO/IEC 14496-2:2001.
Example: If you have acontext of 4 (computed from the surrounding BABs)
and get a VLC of 1 then it means BABtype 2.
Regards,
 Herbert.
> Thanks a lot!
>         Tetuso
> 
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-- 
Herbert Thoma
FhG-IIS A, Studio Department
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