[MPlayer-dev-eng] [RFC] preliminary x264 encoding help text

Diego Biurrun diego at biurrun.de
Mon Apr 11 10:52:41 CEST 2005


On Sat, Apr 09, 2005 at 06:00:10PM -0500, Jeff Clagg wrote:
> 
> When this document is in decent shape, I will adapt it for inclusion
> in DOCS/xml/en/mencoder.xml (which, btw, rocks, and should probably
> be referenced multiple times in the man page). Meanwhile I'd be very
> grateful for any comments or contributions.

Very nice work and writing, I'm looking forward to you finishing this,
some small nitpicks below.

> quality: you will probably lose well under 0.1db PSNR, which should 
> be much too small of a difference to see.

"too small a difference"?  Probably both forms are correct.

> The usefulness of b-frames is questionable in most other codecs you

B-frames, like in the rest of the documentation, more occurrences below.

> to reduce the number of bframes used in scenes that might not benefit

B-frames, unless you talk about the option name, same below.

> weighted prediction gives rather large bitrate savings. In mpeg4 asp,

MPEG-4

> spacial complexity, however, ringing artifacts are less noticeable. This

I think "spatial" is the preferred form, although both are correct.

> postprocessing. If your h.264 encodes look too blurry or smeared,

H.264

Diego




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