[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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