[haiku-commits] Re: r38786 - in haiku/trunk: build/jam src/add-ons/media/plugins/ffmpeg
- From: "Stephan Assmus" <superstippi@xxxxxx>
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Thu, 23 Sep 2010 08:12:27 +0200
Hi,
Von: "François Revol" <revol@xxxxxxx>
> Le 22 sept. 2010 à 14:51, Stephan Assmus a écrit :
> > Von: "François Revol" <revol@xxxxxxx>
> >> Le 22 sept. 2010 à 13:10, superstippi@xxxxxx a écrit :
> >>
> >>> Author: stippi
> >>> Date: 2010-09-22 13:10:51 +0200 (Wed, 22 Sep 2010)
> >>> New Revision: 38786
> >>> Changeset: http://dev.haiku-os.org/changeset/38786
> >>> Log:
> >>> Enabled any and all decoders and demuxers which are currently compiled
> >> into
> >>
> >>
> >> How about apps that want a decoder for avi:'divx' ?
> >
> > Huh? What apps? You can't hardcode such constants anyway. How would you
> know there is an encoder installed for fourcc 'divx'? Perhaps there is one
> for 'DiVX' instead, or it's 'XViD', all the same thing. The whole matching
> was really fragile before, lots of duplicated entries with slightly
> different spelling, sometimes bigendian, sometimes not... and we still didn't
> handle all files we potentially could. As I understand it, the format family
> nonsense only exists, because -- theoretically -- a format family defines a
> codec tag name space, and the same tag in two format families could actually
> mean a different codec. In practice this does not happen, and we have a
> lot of container formats that don't even use fourcc tags at all. The only
> meaningful situation in which an app asks for specific formats and codecs, is
> when encoding. The FFmpeg plugin has been the only plugin supporting
> encoding anyway, prior to my commit, and applications can still ask for
> specific
> codecs and file fo
> > rmats. That is not affected by my commit. If that's not what you mean,
> could you be a bit more verbose? :-)
>
> I was thinking more of apps using decoders directly like BMediaDecoder.
> Things like IM clients which usually need codecs by 4CC from the same
> namespace as AVI or MOV...
If nothing else, we could define IDs for codecs like it's already done for mpeg
codecs.
Best regards,
-Stephan
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