[mythtv-users] Gigabyte Brix Celeron N2807
Gerald Brandt
gbr at majentis.com
Tue Nov 17 13:57:07 UTC 2015
On 2015-11-17 07:27 AM, Tom Bongiorno wrote:
> On Tue, Nov 17, 2015 at 8:11 AM, Gerald Brandt <gbr at majentis.com
> <mailto:gbr at majentis.com>> wrote:
>
> Hi,
>
> I just bought one of these units
> (http://www.gigabyte.com/products/product-page.aspx?pid=5038#ov).
> The price was right, and I had the RAM and SSD already.
>
> The first thing I did was install Lubuntu and a mythfrontend. It
> works pretty well, but my regular frontend is a quad core AMD with
> an Nvidia GT 730. There are definitely quality differences in the
> video.
>
> vainfo gives me this:
>
> vainfo: VA-API version: 0.38 (libva 1.6.0)
> vainfo: Driver version: Intel i965 driver for Intel(R) Bay Trail -
> 1.6.0
> vainfo: Supported profile and entrypoints
> VAProfileMPEG2Simple : VAEntrypointVLD
> VAProfileMPEG2Simple : VAEntrypointEncSlice
> VAProfileMPEG2Main : VAEntrypointVLD
> VAProfileMPEG2Main : VAEntrypointEncSlice
> VAProfileH264ConstrainedBaseline: VAEntrypointVLD
> VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
> VAProfileH264Main : VAEntrypointVLD
> VAProfileH264Main : VAEntrypointEncSlice
> VAProfileH264High : VAEntrypointVLD
> VAProfileH264High : VAEntrypointEncSlice
> VAProfileH264StereoHigh : VAEntrypointVLD
> VAProfileVC1Simple : VAEntrypointVLD
> VAProfileVC1Main : VAEntrypointVLD
> VAProfileVC1Advanced : VAEntrypointVLD
> VAProfileNone : VAEntrypointVideoProc
> VAProfileJPEGBaseline : VAEntrypointVLD
>
> Is there anything I can do to tweak the video? Kodi seems to give
> me better quality.
>
> I'd probably be better off with the Brix i3 version and Intel HD
> 5500 video, but it has a fan and I'm not sure how much noise it
> generates.
>
> Gerald
>
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>
>
> Questions like this come up over and over again. They should continue
> to be asked, even if only to serve as gauge of the interest in Intel
> Graphics support.
>
> Interlaced Video: You will surely see a difference in video quality.
> Mythfrontend does not utilize the latest deinterlacers provided by the
> Intel Graphics driver. Even if it did, I am not sure that they are as
> good as the Nvidia GPU deinterlacers. Kodi has a much larger developer
> group and most likely uses the latest features of the Intel Graphics
> driver.
>
> Progressive Video: I would think that they would be the same, but I
> admit that I know little about decoding video. Maybe someone else can
> give better info on this one.
>
> Buying the i3 version with Intel HD 5500 GPU will not improve your
> video quality at all.
>
> -Tom
>
>
Interestingly, after I ran Kodi, the MythTV de-interlacing looked much
better. I'll have to experiment a bit.
Gerald
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