[MPlayer-DOCS] CVS: main/DOCS/xml/en mencoder.xml,1.100,1.101

[Loren Merritt]

On Sat, 11 Feb 2006, Guillaume POIRIER wrote:
> Nico Sabbi wrote:
>> Guillaume Poirier CVS wrote:
>>
>>> CVS change done by Guillaume Poirier CVS
>>>
>>> Update of /cvsroot/mplayer/main/DOCS/xml/en
>>> In directory mail:/var2/tmp/cvs-serv7871/xml/en
>>>
>>> Modified Files:
>>>     mencoder.xml Log Message:
>>> No sane person should encode last pass without at least 'mbd=2' and
>>> 'trell' (or should _really_ have _really good_ reasons)
>>
>> why trell? My encodes without it look better than with it (generally
>> fewer artefacts)
>
> Well, I assume you know what you are doing and know how to compute your 
> target bitrate so that you don't need trellis. Maybe you just set bitrate to 
> 'inf' ? ;-)
>
> However, generally speaking, in cases where you've got bitrate constraints, 
> trell is a big winner, isn't it?
>
> Or am I totally wrong here?

Trellis is unrelated to ratecontrol. If it improves compression, then it 
doesn't matter whether bitrate is constrained or not.

--Loren Merritt