[MEncoder-users] How does one interlace progressive content?

[Pierre Catello]

2007/8/15, Reimar Döffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de>:


And in either case, there is no need for manual encoding, it only has to
> be known if the source is progressive or interlaced - especially for
> DVDs the effort of that compared to the effort the sometimes put into
> menus etc. should be quite small (excluding DVDs where interlaced and
> progressive is mixed in one title, which I haven't had so far).


The problems I was thinking about are related to the "way it works" in
reality, which is not necessarly good and certainly not optimum :
- often, the production is segmented into multiple actors due to business
structures and industrial framework. You were talking about the menu
authoring, which takes time and human ressources you're right. This part
will typically contracted to an actor specialized in UI design for
interactive content, not the same which will do the encoding.
- a service may depend on a machine which "blindly" encode as interlaced
because it is a safe way to accomodate any source. The machine may now be
obsolete but as you know, not everything is updated as often as we would
want when operation processes are depending on something.



Btw. there is one reason why wasting bits on DVDs actually _does_
> matter - the reason is that your data rate is limited to 1x DVD speed,
> which can end up hurting video quality especially with lots of
> high-quality audio streams.


I agree

Regards

Pierre