Efraim Flashner <[email protected]> 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 <[email protected]> >> > 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’.
