Re: Firefox Hardware acceleration & VA-API how-to

[Julian Sikorski]

Am 17.11.21 um 15:26 schrieb PGNet Dev:
>  On 11/16/21 22:48, Michael Cronenworth wrote:
> > On 11/15/21 12:03 PM, PGNet Dev wrote:
> >>
> >> launch @ shell
> >>
> >>     VDPAU_DRIVER=nvidia MOZ_LOG="Dmabuf:5, PlatformDecoderModule:5" 
> >> firefox 
> >
> > I think you mean:
> >
> > LIBVA_DRIVER_NAME=nvidia firefox
>  
>  nope.
>  
>       https://en.wikipedia.org/wiki/Video_Acceleration_API
>           "As of 2019, VA-API is natively supported by libva-vdpau-driver 
>  for cards supported by VDPAU"
>  
>  libva-vdpau-driver is the translation layer that provides a VDPAU-based 
>  backend for VA-API.
>  
>  @ 
>  https://wiki.archlinux.org/title/Hardware_video_acceleration#Configuring_... 
>  
>  
>       "
>       Configuring VDPAU
>       You can override the driver for VDPAU by using the VDPAU_DRIVER 
>  environment variable.
>       The correct driver name depends on your setup:
>       ...
>       For NVIDIA's proprietary version set it to nvidia.
>  
>       Note:
>           You can find the installed drivers in /usr/lib/vdpau/. They are 
>  used as /usr/lib/vdpau/libvdpau_${VDPAU_DRIVER}.so
>       "
>  
>  
>  ls -al /usr/lib64/vdpau//libvdpau*nvidia*
>     lrwxrwxrwx 1 root root   25 Nov 15 10:04 
>  /usr/lib64/vdpau//libvdpau_nvidia.so.1 -> libvdpau_nvidia.so.495.44*
>     -rwxr-xr-x 1 root root 620K Nov 15 10:04 
>  /usr/lib64/vdpau//libvdpau_nvidia.so.495.44*
>  
>  cref:
>  
>    https://wiki.archlinux.org/title/Hardware_video_acceleration#VDPAU_drivers
>    https://wiki.archlinux.org/title/Hardware_video_acceleration#NVIDIA_driver_only
>    https://wiki.archlinux.org/title/Hardware_video_acceleration#Application_support
Have you actually been able to get this working with Firefox? I tried a 
while ago and failed. IIRC the predominant opinion online was that 
libva-vdpau-driver, which was not updated in almost a decade, was good 
for passing vainfo but not for much else.

Best regards.
Julian