Re: [MEncoder-users] Encodes for slow laptop

On Sun, 8 Jun 2008, RC wrote:

> On Sun, 8 Jun 2008 20:05:33 -0500 (CDT)
> "R.L. Horn" <lists@eastcheap.org> wrote:
>
>> Sticking to (at least) mod8 (mod16 with H.264) is a good idea
>
> This is bad advice. With just about every codec since the '80s, you
> waste a serious amount of bits if you don't use mod 16 dimentions, (and
> mod32 with interlaced video).

Hence the qualifier, "at least."

Some popular (and sometimes mandated) frame dimensions just aren't
divisible by 16 (perhaps most notably, 1080/16 = 67.5). Many more aren't
divisible by 32 though, happily, both 480 and 576 are.
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