[mythtv-users] Playback Flickering After Upgrade to 0.28.1
Saul A. Peebsen
userblues at yahoo.com
Sun Oct 8 15:12:27 UTC 2017
On Sun, 8 Oct 2017 07:38:32 -0700
Jay Foster <jayf0ster at roadrunner.com> wrote:
> On 10/08/2017 07:27 AM, Saul A. Peebsen wrote:
> > On Sun, 8 Oct 2017 07:11:56 -0700
> > Jay Foster <jayf0ster at roadrunner.com> wrote:
> >> On 09/30/2017 04:19 PM, Jay Foster wrote:
> >>> I updated my Intel NUC 7I5BNH frontend from 0.27 to 0.28.1. Now
> >>> during playback, I get a flickering black bar on the screen (like
> >>> a vertical blanking field). I'm using the OpenGL playback (VAAPI
> >>> is not supported on my HW AFAIK, Intel VGA Device 5926, Intel Iris
> >>> Plus Graphics 640). This was not there with 0.27. Anyone know
> >>> what this is and how to fix it?
> >> This flickering black line only seems to happen with 1080i TV
> >> playback. 720P and 480i programs seem unaffected. Also BD rips
> >> seem unaffected. Any ideas what broke in 0.28?
> > You can use vainfo to determine what VA-API modes are supported.
> vainfo reports:
> libva info: VA-API version 0.35.0
> libva info: va_getDriverName() returns 0
> libva info: Trying to
> open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so libva info:
> Found init function __vaDriverInit_0_35 libva
> error: /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so init failed
> libva info: va_openDriver() returns -1 vaInitialize failed with error
> code -1 (unknown libva error),exit
> I am not using VAAPI. Playback was very good with 0.27. Why has
> 0.28 broken it?
You really should consider using VA-API with this hardware, it supports
even HVEC 10 bit hardware decoding. I wish my NUC had this capability.
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