[XviD-devel] Re: XviD 1.0 Feature Request: autodetect iDCT decoder (fwd)

Christoph Lampert chl at math.uni-bonn.de
Thu Nov 20 21:35:44 CET 2003


Hi,

I got this by private mail. 
Would it be possible to autodetect this?

gruel


---------- Forwarded message ----------
Date: Thu, 20 Nov 2003 19:33:21 +0100 (CET)
From: ------- <uldead at freemail.hu>
To: gruel at xvid.org
Subject: Re: XviD 1.0 Feature Request: autodetect iDCT decoder


Hi

I have an  idea  for feature of XviD 1.0: You must know that some 
versions used Simple iDCT instead of Walken.  You also know that if 
you played back it with Walken iDCT versions artifacts would appear. 
So my idea would be to implement some kind of autodetect that would 
determine that if the codec should use Simple or Walken iDCT for 
decode. It would be essential for backwards compatibility i think, 
because a lots of ppl still using the Simple iDCT versions, and i have a 
pretty good archive of videos encoded with Simple iDCT ones, and they 
look very bad played back with Walken, and i dont like the idea of trash 
em.
 
So what do you think ? plz answer back even if you think its a lots of 
bullshit


Martin








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