<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Thu, Oct 3, 2013 at 6:03 AM, Andrey Zhunev <span dir="ltr"><<a href="mailto:a-j@a-j.ru" target="_blank">a-j@a-j.ru</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hello John,<br>
<div class="im"><br>
Thursday, October 3, 2013, 4:32:22 PM, you wrote:<br>
<br>
> On 03/10/13 12:14, Andrey Zhunev wrote:<br>
>> Hello Stephen,<br>
>><br>
>> Thursday, October 3, 2013, 1:37:07 PM, you wrote:<br>
>><br>
>>>> CentOS 6.4 and MythTV 0.26 with Intel Sandy Bridge video. Whenever I<br>
>>>> set mythfrontend to use vaapi or OpenGL, I get a black screen during<br>
>>>> video playback (sound works fine).<br>
>><br>
>>> Have you checked out the latest Intel drivers and installer? I got<br>
>>> VAAPI running on my laptop using the installer - it makes sure you<br>
>>> have a fully compatible set of software as well as the latest drivers.<br>
>><br>
>>> <a href="https://01.org/linuxgraphics" target="_blank">https://01.org/linuxgraphics</a><br>
>><br>
>>> Of course, that was on Mythbuntu 12.04 - I am not sure if they support<br>
>>> CentOS.<br>
>><br>
>> Unfortunately, the installer only supports Ubuntu and Fedora...<br>
>><br>
>> Not sure if I will be able to just compile it from source and run it<br>
>> on CentOS. I will give it a try, but I suspect there will be some<br>
>> dependencies or prerequisites that won't make it easy...<br>
>><br>
>><br>
>><br>
> Have you looked at elrepo? In particular, elrepo-extras? I have<br>
> xorg-x11-drv-intel installed, although my chipset doesn't support vaapi.<br>
<br>
<br>
</div>Yes, that's exactly what I'm using. I use the driver from Elrepo, and<br>
that is probably the only easy way to get recent Intel drivers<br>
installed on CentOS.<br>
<br>
# rpm -qa |grep elrepo<br>
khrplatform-devel-8.0.5-1.el6.elrepo.noarch<br>
llvm-3.0-5.el6.elrepo.x86_64<br>
clang-devel-3.0-5.el6.elrepo.x86_64<br>
intel-gpu-tools-2.21.2-1.el6.elrepo.x86_64<br>
xorg-x11-drv-intel-2.21.2-1.el6.elrepo.x86_64<br>
llvm-ocaml-3.0-5.el6.elrepo.x86_64<br>
vaapi-driver-intel-1.0.17-1.el6.elrepo.x86_64<br>
nvidia-detect-325.15-1.el6.elrepo.x86_64<br>
libva-utils-1.1.0-1.el6.elrepo.x86_64<br>
llvm-devel-3.0-5.el6.elrepo.x86_64<br>
elrepo-release-6-5.el6.elrepo.noarch<br>
libva-devel-1.1.0-1.el6.elrepo.x86_64<br>
clang-3.0-5.el6.elrepo.x86_64<br>
llvm-ocaml-devel-3.0-5.el6.elrepo.x86_64<br>
xorg-x11-drv-intel-devel-2.21.2-1.el6.elrepo.x86_64<br>
llvm-libs-3.0-5.el6.elrepo.x86_64<br>
libva-1.1.0-1.el6.elrepo.x86_64<br>
<br>
<br>
Still, something is wrong and I can't figure out what it is, exactly.<br>
<br>
# glxinfo |grep direct<br>
direct rendering: No (If you want to find out why, try setting LIBGL_DEBUG=verbose)</blockquote><div><br></div><div>Do you have mesa installed? That is required for OpenGL, and OpenGL rendering is required for VAAPI (in MythTV at least).<br>
<br></div><div>Karl<br></div></div></div></div>