[vlc-devel] commit: Decreased priority of libmpeg2 decoder below avcodec. ( Laurent Aimar )

[Rémi Denis-Courmont]

Le samedi 30 janvier 2010 21:26:42 Måns Rullgård, vous avez écrit :
> "Rémi Denis-Courmont" <remi at remlab.net> writes:
> > Le dimanche 24 janvier 2010 16:28:59 git version control, vous avez écrit 
:
> >> vlc | branch: master | Laurent Aimar <fenrir at videolan.org> | Sun Jan 24
> >>  15:26:09 2010 +0100| [7ad6676d1b65a222682dc814782b57de798c068c] |
> >>  committer: Laurent Aimar
> >>
> >> Decreased priority of libmpeg2 decoder below avcodec.
> >
> > On second thought, that really does not make sense.
> >
> > libmpeg2 provides a strict subset of the functionality of
> > libavcodec, in terms of what its pf_activate function
> > accepts. Reducing its priority essentially turns it into dead
> > code. configure --disable-libmpeg2 would have the same in a much
> > more efficient manner.
> 
> Did you ever figure out why vlc+libavcodec was slower on the N900?

I haven't really tried. And while you can install oprofile, I am not at all 
familiar with the tool.

Laurent hypothesized that it could be the packetizer VLC puts in front of lavc 
but not libmpeg2.

-- 
Rémi Denis-Courmont
http://www.remlab.net/
http://fi.linkedin.com/in/remidenis