[vlc-devel] [PATCH 2/2] avcodec: prioritise vaapi over vdpau

Jean-Baptiste Kempf jb at videolan.org
Sun Dec 3 11:23:37 CET 2017

On Sun, 3 Dec 2017, at 08:46, Rémi Denis-Courmont wrote:
> Le perjantaina 1. joulukuuta 2017, 10.50.16 EET Thomas Guillem a écrit :
> > Favor VAAPI over VDPAU: VDPAU is deprecated and present on less systems than
> > VAAPI. Furthermore, the try and fail of VDPAU vout/va take much longer than
> > the VAAPI one (around twice the time, that is 100-200ms). VAAPI will only
> > be used for direct rendering by default, so VDPAU will still be used
> > instead of VAAPI with CPU copy
> That´s peanuts compared to the time loading GL, which is unavoidable
> either 
> way. And when CUDA replaces VDPAU, it will have to be probed before
> anyway, so that seems counter-productive...

Can we know the display driver before? In order to load vdpau/cuda only
when nVidia is present and active?

Jean-Baptiste Kempf -  President
+33 672 704 734

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