[MEncoder-users] Encodes for slow laptop

Loren Merritt lorenm at u.washington.edu
Tue Jun 10 00:22:20 CEST 2008


On Mon, 9 Jun 2008, R.L. Horn wrote:
> On Sun, 8 Jun 2008, RC wrote:
>> On Sun, 8 Jun 2008 R.L. Horn 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."

But if you're going to mention H.264 by name, you should also note that 
standards prior to H.264 are hurt even more than H.264 is by videos that 
aren't mod16.
And if for whatever reason you can't get mod16, then the next best bet 
isn't mod8. It's to fill up as many of the 16 lines as possible. 
(res%16==14) is better than (res%16==8).
So the original quote is still bad advice.

--Loren Merritt



More information about the MEncoder-users mailing list