I've encoded a few movies using a guide simillar to the one on afterdawn and was just wondering what the quality would be like if I only went for one pass? can anyone explain to me why 2 passes are so much better?
Raptorman, with multipass, the codec makes notes for itself on each pass so it knows which scenes have fast motion and therefore need more bitrate. With one pass, the codec doesn't know what's ahead so it has to do the best job it can on the fly.
You can compare it to driving a car. It's easier to drive when there's lots of visibility than when there's a lot of dense fog because you can't see that far ahead and don't know when/where the curves in the road are.
Moral of the story: Use multipass so your video don't swerve all over the road, yeah that's it...lol
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