[MPlayer-dev-eng] XCF support

[Fabian Franz]

Am Montag, 3. Februar 2003 19:40 schrieb D Richard Felker III:
> On Mon, Feb 03, 2003 at 07:25:31PM +0100, Fabian Franz wrote:
> > Am Sonntag, 26. Januar 2003 00:16 schrieb Jean-Yves Lamoureux:
> > > Hi all,
> > >
> > > I was thinking about incorporate XCF (Gimp own format) loading to
> > > Mplayer. Here's why :
> >
> > I'm not in the MPlayer-Core-Team, but as they don't answer I will ;) ...
> >
> > We have feature-freeze time, so changes are only allowed to certain parts
> > ...
> >
> > But as you want to implement a new video decoder, It'll be OK...
> >
> > Just look at libmpcodecs/vd_gif.c for example ...
> >
> > It was introduced only some time ago ...
> >
> > So there are already other animated formats supported, why not also
> > vd_xcf ;-)
> >
> > So go for it !
> >
> > And read other Code to start, and read DOCS/tech/* (almost everything can
> > be interesting for you)
> >
> > You should think especially about supporting strides and direct
> > rendering, but that is all explained in the docs ...
> >
> > dr = you render direct to some video-buffer ...
> > strides = you update only certain parts of the picture ... (such a
> > callback-function)
>
> ARRRRRGGG!!!! NO! Stride means the offset between consecurive lines,
> and "supporting strides" means handling the case where stride !=
> (width*bytesperpixel). Strides should definitely be supported; in
> almost all cases, code that doesn't support them is just broken
> (there's no good reason for it not to).
>
> On the other hand, slices = only updating part of a picture with
> callback.

Oops, sorry I meant slices not strides ...

Can you forgive me ? ;)

cu

Fabian
>
> Rich
>
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