[MPlayer-users] Re: best encoder ?

Michael Niedermayer michaelni at gmx.at
Tue Jul 23 10:26:02 CEST 2002


On Tuesday 23 July 2002 08:37, Moritz Bunkus wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi.
> > But scaling down means (visible) losses, right ?
> Scaling always means loss of quality. If you scale down you lose
> information. If you scale up you have to 'guess' (extrapolate) the
> pixels --> loss of quality. Oh btw... encoding loses quality aswell.
> Deinterlacing loses quality. Almost every step done during video
> processing loses quality.
yes, video decoding is not perfect either so even if u decode the bitstream u 
loose quality (idct inaccuracies and such) so u should really use a hexeditor 
instead of mplayer to view ur movies


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