Puggo - Jar Jar's Yoda said:
althor, I'm curious, the script in xvid4psp says "directshowsource"... is there a reason that it doesn't say "avisource"? Does it matter?
Generally avisource is considered more frame-accurate, so use directshowsource only as a backup option if avisource is giving problems.
But there is probably very little difference.