[vlc-devel] VLC's performance on SMP system
thresh at altlinux.ru
Tue Jun 2 14:17:45 CEST 2009
On Tue, Jun 02, 2009 at 09:29:07PM +1000, xxcv wrote:
> Kaloyan Kovachev wrote:
> > On Mon, 01 Jun 2009 23:37:45 +1000, xxcv wrote
> >> Results:
> >> VLC-1.0.0-RC2 + ffmpeg-mt got many avcodec "cannot decode one frame", side
> > effect = video shakes.
> >> Windows build of Mplayer + ffmpeg-mt experimental build worked wonderfully
> > fine.
> >> Windows Media Player 11.0 + ffdshow + ffmpeg-mt worked fine also.
> >> With thread count = 2
> >> Compared CPU usage graphs.
> >> http://img207.imageshack.us/img207/6103/81030683.png
> > Just to confirm that with the 64bit (slackware64) built of VLC-1.0.0-RC2 +
> > ffmpeg-mt the results are the same - 'video shakes' and often there are
> > artifacts in the picture (when the source is an HD stream with ~12Mbit/s -
> > with a local file there are no artifacts)
> I think VLC will never be able to use ffmpeg-mt
> because it is a different project
It is a part of 2008 GSoC FFMpeg project "Generic frame-level multithreading support"
> and probably not going to be merged into ffmpeg.
not true. will be merged once Alexander finishes his work.
Philogyny recapitulates erogeny; erogeny recapitulates philogyny.
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