[vlc-devel] transcoding is slow

Kaarlo Räihä kaarlo.raiha at gmail.com
Wed May 4 11:10:36 CEST 2011

2011/5/4 zhu shi song <zhushisongzhu at yahoo.com>

>    I think the main cause that can impact the transcoding speed is the
> speed of x.264 encoding.   I know that x264 have three sets of preset
> parameters: High Speed preset, Normal preset, High Quality preset.  How can
> I set these parameters through VLC transcode options?

E.g. vlc 111.avi :sout=#transcode{vcodec=h264,

>    And how can I utilize hardware such as CUDA acceleration function to
> speed the transcoding?

You cannot. x264 doesn't have CUDA support (or at least official releases
don't have). And AFAIK DivX 3 Low video cannot be hardware decoded.

>    thanks
>      zhu
> _______________________________________________
> vlc-devel mailing list
> To unsubscribe or modify your subscription options:
> http://mailman.videolan.org/listinfo/vlc-devel
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.videolan.org/pipermail/vlc-devel/attachments/20110504/be949bc3/attachment.html>

More information about the vlc-devel mailing list