[mythtv-users] Intel 2405s GPU hang using vaapi in Mythtv

[william otten]

On Sat, Jan 11, 2014 at 1:18 AM, william otten <williammotten at gmail.com>wrote:

>
>
>
> On Wed, Dec 25, 2013 at 2:21 PM, Warpme <warpme at o2.pl> wrote:
>
>> On 24/12/13 17:48, william otten wrote:
>>
>>> I currently have a gpu hanging problem while using mythtv and vaapi on
>>> an Intel Core i5-2405S. I have tried using different versions of vaapi,
>>> Ubuntu and Debian and I am currently working with someone at Intel via
>>> freedesktop.org <http://freedesktop.org>. Here is the bug report:
>>>
>>> https://bugs.freedesktop.org/show_bug.cgi?id=71276
>>>
>>> Basically Intel has acknowledged the issue and is working on a solution.
>>> They have issued a patch for vaapi to remedy the gpu hang error which they
>>> say works in Mplayer for them. I tried the patch but the original issue
>>> still exists using Mythtv. I also tried the patch using VLC and the issue
>>> seems to be fixed where as prior VLC confirmed the Mythtv error. At this
>>> point there seems to be two video programs that work with the solution and
>>> one that doesn't. This is where I need some help from the Mythtv group
>>> since Intel has kinda halted on their end.
>>>
>>> Another issue has arisen while working on a solution for the gpu hang
>>> error. During the last test using Mythtv the patch as well as Intel's
>>> experimental vaapi libva 1.2.2.pre2. The overall video quality changed,
>>> here is what I posted..."The video is now corrupted. The color is off.
>>> Reds, blues, etc...are not balanced but very bold on certain parts of the
>>> video. Kinda reminds me of sepa for a photo but with color extremes." I
>>> again tested with VLC with no problems. Also Intel doesn't have this issue.
>>> Here is a photo of the issue:
>>> https://dl.dropboxusercontent.com/u/17574275/Mythtv%
>>> 20screen%20problem%20using%201.2.2.prel.png
>>>
>>> So currently I have two issues that hopefully I can get some feedback
>>> from the group.
>>> I tested mythtv vaapi with and without de-interlacing, without any
>>> difference. Also VLC had vaapi enabled during testing.
>>>
>>>
>>> _______________________________________________
>>> mythtv-users mailing list
>>> mythtv-users at mythtv.org
>>> http://www.mythtv.org/mailman/listinfo/mythtv-users
>>>
>> William,
>> Color issue on libva-intel-driver 1.2.2 relates to internal driver
>> picture controls conversions. I created patch which fixes picture controls
>> issue. You have to apply patch and rebuild libva-intel-driver. I see colour
>> issue just got bug report (73016) with has the same solution like mine :-)
>> If You want to use already patched driver (and You are ready to
>> experiment with network booting frontend) - You may consider
>> http://minimyth2.linuxd.org
>> It already contains this patched/tested driver.
>> I tested it on 3220T (HD2500) and I and have correct and stable operation.
>>
>> br
>>
>>
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://www.mythtv.org/mailman/listinfo/mythtv-users
>>
>>
> I appreciate the corrected driver for the color issue but I was able to
> get the patch and compile. I'm still working with Intel on the gpu hang
> error.
>

The color saturation issue has been resolved in a regular release of
i965-va-driver version 1.2.2-2 in Debian unstable.
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