[M4IF Technotes] aspect ratio info

[Herbert Thoma]

sadaf wrote:
> 
> Sir,
> This is in reference to your question put up on mpeg4 Technotes mailing
> list, relating to pixel aspect ratios used in MPEG-4 Visual on feb22, 2002.
> Since I am new in mpeg4 world, and i am trying to parse the video object
> layer bitwise.
> 
> Can you tell me the exact value of "extended_par"? As far as i know its a 4
> bit field and when parsing video object layer, a condition comes when aspect
> ratio info is checked to be equal to extended_par.

see table 6-12 of 14496-2
extended PAR is 1111.
 Herbert.
> I am not quite sure about the valid value of extended_par field. Can you
> help me out. I will be very grateful
> 
> thanx in advance...
> 
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-- 
Herbert Thoma
FhG-IIS A, Studio Department
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