[MPlayer-DOCS] [PATCH] Choosing the video codec

Michael Niedermayer michaelni at gmx.at
Mon Dec 26 20:01:01 CET 2005


On Mon, Dec 26, 2005 at 07:20:05PM +0100, Guillaume POIRIER wrote:
> Hi,
> Michael Niedermayer a écrit :
> >Hi
> >
> >On Mon, Dec 26, 2005 at 05:21:21PM +0100, Guillaume Poirier wrote:
> >[...]
> [..]
> >>Not to mention that the picture quality you'll get with ASP codecs also
> >>(sadly) depends on the decoder (which lead to the flamewar on
> >
> >
> >non buggy decoders always decode non buggy mpeg4 identically if the idct 
> >is the same so differences are either bugs or idct differences or some 
> >filter
> >like a postprocessing filter applied afterwards
> Indeed! But if you take hardware players for example, there is not much 
> you can do if it's buggy and all.

well, you can avoid the problematic features in the encoder and choose a
idct which matches the decoders idct (lavc allows to select the idct used
in the encoder)

or the 21th century solution, sue the manufactor of the hardware decoder for
patent infrigment (note the mpeg-la license probably only applies to 
conforming mpeg4 decoders ...) ... ok you would need to buy a mpeg4 patent
from someone first but there are many so maybe thats not so unrealistic
darn i forgot darls email address, can someone forward this tip to him?



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