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The heading pretty much states the question, what is the function of
this setting and why would or wouldn't you use it?

>The heading pretty much states the question, what is the function of
>this setting and why would or wouldn't you use it?

Usually a drop frame in an avi file is stored as a zero sized frame. A
working player or any other avi processing program then repeates the
last good frame another time when it meets such a zero sized frame in
a file. However, there are players (and encoders/transcoders for that
matter) which - in violence of the avi file standard - are not
prepared to meet such frames and either lock up or simply crash. The
option now - instead of storing a zero sized frame - stores a copy of
the last good frame thereby doing the palyers/encoders work and
preventing that they lock up or crash.

The option should only be used in cases where one experineces drops
due to synchronisation. That said in situations where the system is
not overloaded anyways cause storing a full frame obviousely needs
more time than storing a zero sized one. The latter (standard)
solution of storing a zero sized fraem is acutally the best solution
since it does not make the situation worse in cases where drops ocure
due to an overloaded system but again, if you must use a broken
software to process the avi file the option might comes in handy.

HTH

Markus