Re: [MEncoder-users] divx v's x264

On Thu, Jun 05, 2008 at 09:52:15PM +0300, Ivan Kalvachev wrote:
> On 6/5/08, RC <cooleyr@gmail.com> wrote:
> > On Wed, 4 Jun 2008 21:05:33 +1000
> > Alex Samad <alex@samad.com.au> wrote:
> >
> >> > Also, doing postprocessing before encoding is basically always
> >> > nonsense.
> >> could you explain please
> >
> > Postprocessing adds noise (blur) to the video to mask blocking. That,
> > however, makes it harder for the next codec to compress, and assuming a
> > limited bitrate (which you're using), will make blocking in the encoded
> > file worse.
>
> Postprocessing removes noise (one of the stages is called dering).
> Blurring generally makes compression easier because it removes
> hi-frequency coefficients (aka fine details).
>
> btw. it is highly recommended to use cabac with x264. It gives
> significant difference at hi bitrates.

My understanding is that cabac is an option that makes the resulting
file is more cpu intensive to decode, I have run into problems whilst
playing it on my xbox with XBMC

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