[vlc-devel] commit: Increased fifo decoder size to 400mb. (Laurent Aimar )

Laurent Aimar fenrir at via.ecp.fr
Thu Jul 16 20:15:56 CEST 2009


On Thu, Jul 16, 2009, Rémi Denis-Courmont wrote:
> Le mercredi 15 juillet 2009 22:26:59 git version control, vous avez écrit :
> > vlc | branch: master | Laurent Aimar <fenrir at videolan.org> | Wed Jul 15
> > 21:23:56 2009 +0200| [c1ec23d7b27a1f3f34a10b4c38169a7903cbe302] |
> > committer: Laurent Aimar
> >
> > Increased fifo decoder size to 400mb.
> >
> >  I don't think there is any good fixed value, I have tuned it for
> > 50mbit/s video with a cache of 60s.
> Who needs 60s of buffers? 500mb will bring any "low-end" (e.g. 256mb) system 
> to an almost complete halt while it thrashes heavily.
 As I said, there is no good static value. This value is used only in case of
heavy error (like a deadlocked decoder or sout) and is never used otherwise.
 But the previous value was harmful for some streams (like raw HD video) or
for big pts_delay with high bitrate.
 The value could be tuned with OPTIMIZED_MEMORY but well it means all and


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