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Re: libvdpau: cannot open shared object
From: |
Ludovic Courtès |
Subject: |
Re: libvdpau: cannot open shared object |
Date: |
Fri, 15 Dec 2017 12:02:14 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) |
Efraim Flashner <address@hidden> skribis:
> On Thu, Dec 14, 2017 at 10:07:20AM +0100, Ludovic Courtès wrote:
[...]
>> > From da659401a0116d0810f003769c933253f5b18f4c Mon Sep 17 00:00:00 2001
>> > From: Efraim Flashner <address@hidden>
>> > Date: Tue, 12 Dec 2017 21:44:49 +0200
>> > Subject: [PATCH] gnu: Add libvdpau-va-gl.
>> >
>> > * gnu/packages/video.scm (libvdpau-va-gl): New variable.
>> > * gnu/packages/patches/libvdpau-va-gl-unbundle.patch: New file.
>> > * gnu/local.mk (dist_patch_DATA): Register it.
>>
>> [...]
>>
>> > + (native-inputs
>> > + `(("libvdpau" ,libvdpau)
>>
>> Should move to ‘inputs’ I guess?
>>
>> Otherwise LGTM, thanks for acting this fast!
>
> $ guix gc --references $(guix build libvdpau-va-gl)
> /gnu/store/1zfmi6bixxz3fljr4kfy37xpjial90p1-libva-1.8.3
> /gnu/store/3h31zsqxjjg52da5gp3qmhkh4x8klhah-glibc-2.25
> /gnu/store/6wyjls0q2c9gjskkplsr1ad09p3d8gzg-gcc-5.4.0-lib
> /gnu/store/7mdyg1vigcxqb1ra16mdqnhz8aa00xc7-libxext-1.3.3
> /gnu/store/8z7130mb33a3jqliqs6bq2d46mar5gqy-mesa-17.2.1
> /gnu/store/d3pbj6vynkig0v0lnwp9nh04sijxin2w-libvdpau-va-gl-0.4.2
> /gnu/store/p37m873k9k69m944njar80i6bsmqrcvj-libx11-1.6.5
>
> libvdpau is actually a propagated input of mesa
OK.
>> When we have that, we can at least arrange for things to work
>> out-of-the-box on GuixSD. It’s better if we can do that without setting
>> LD_LIBRARY_PATH, we’ll have to investigate how this can be done. At
>> least, we’ll have to set VDPAU_DRIVER=va_gl I presume?
>>
>> Thanks,
>> Ludo’.
>
> From the upstream documentation VDPAU_DRIVER=va_gl is the minimum needed
> to get it working, and then there are a couple of other environmental
> variables that can be set to change its behavior.
>
> $ VDPAU_DRIVER=va_gl LD_LIBRARY_PRELOAD=$(guix build libvdpau-va-gl) env |
> grep VDPAU
> VDPAU_DRIVER=va_gl
>
> $ VDPAU_DRIVER=va_gl LD_LIBRARY_PRELOAD=$(guix build libvdpau-va-gl) vdpauinfo
> display: :0.0 screen: 0
> Failed to open VDPAU backend libvdpau_va_gl.so: cannot open shared object
> file: No such file or directory
> Error creating VDPAU device: 1
It should be:
LD_LIBRARY_PATH=$(guix build libvdpau-va-gl)/lib
or:
LD_PRELOAD=$(guix build libvdpau-va-gl)/lib/libwhatever-its-called.so
HTH!
Ludo’.
- libvdpau: cannot open shared object, Marco van Hulten, 2017/12/10
- Re: libvdpau: cannot open shared object, ng0, 2017/12/10
- Re: libvdpau: cannot open shared object, Efraim Flashner, 2017/12/10
- Re: libvdpau: cannot open shared object, Ludovic Courtès, 2017/12/12
- Re: libvdpau: cannot open shared object, Efraim Flashner, 2017/12/12
- Re: libvdpau: cannot open shared object, Ludovic Courtès, 2017/12/14
- Re: libvdpau: cannot open shared object, Efraim Flashner, 2017/12/15
- Re: libvdpau: cannot open shared object,
Ludovic Courtès <=
- Re: libvdpau: cannot open shared object, Efraim Flashner, 2017/12/15
- Re: libvdpau: cannot open shared object, Ludovic Courtès, 2017/12/15
- Re: libvdpau: cannot open shared object, Marco van Hulten, 2017/12/16
- Re: libvdpau: cannot open shared object, Ricardo Wurmus, 2017/12/16
- Re: libvdpau: cannot open shared object, Efraim Flashner, 2017/12/16
- Re: libvdpau: cannot open shared object, Ludovic Courtès, 2017/12/18