Le quartidi 24 vendémiaire, an CCXXV, James Almer a écrit :
> A missing DisplayUnit element or one with the default value of 0 means
> DisplayWidth and DisplayHeight should be interpreted as pixels.
> 
> The current code setting st->sample_aspect_ratio is wrong when DisplayUnit
> is anything else.

Sorry to react after it was pushed, but: are you sure about the logic?
Naively, I think that a/b makes sense whatever the unit for a and b, as long
as it is known and the same: the logic should be applied for all units
except UNKNOWN. What am I missing?

Regards,

-- 
  Nicolas George

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