[transcode-users] How to speed up the first pass...

[Andrea Giuliano]

Hi!

I've been using for a while a simple BASH script I wrote to get Xvid 
files out of MJPEG edit lists. It just works for me, but it uses the 
same options for both passes.

I guess some options are useless in the first pass, that could be faster 
 if those options are avoided. For example, does it make sense, during 
the first pass, an option like "-J smartyuv", or like "-J fields=shift"? 
I would say it doesn't.

I'm also in doubt for Z, Y and other clip/zoom options, and -E or other 
audio related options. Could they be used just in the second pass, or 
are they mandatory in the first pass, too?

Finally, I find difficult to understand the difference between pre- and 
post-processing filter, but I guess it has something to deal with the 
issue above.

Best regards.

--
Andrea