[Mplayer-cvslog] CVS: main/DOCS/tech mpcf.txt,1.27,1.28

Arpi arpi at thot.banki.hu
Fri May 23 16:03:11 CEST 2003


Hi,

> Hi,
> 
> > > Modified Files:
> > > 	mpcf.txt
> > > Log Message:
> > > some changes (michael: is the colorspace_type field needed?)
> > yes, there are different yuv->rgb conversion formulars, for example
> > jpeg uses a different scaling then most MPEG* AFAIK
> > MPEG* also has a colorspace field in some header
> > an application could certainly extract this info from the video stream
> > but its probably not so clean & easy
> Probably Nut could provide such info in optional headers.

maybe
i don't think that storing such codec-specific data in general headers is a
good idea. but it should be at least optiona, for t case when teh
transcoder/encoder app doesn't know what to put there (but hte codec layer
knows, but doesn't exoprt to the encoder app)


A'rpi / Astral & ESP-team

--
Developer of MPlayer G2, the Movie Framework for all - http://www.MPlayerHQ.hu



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