[mythtv-users] Nvidia ION => NUC - good idea?

[David Hampton]

On Thu, 2020-10-01 at 21:23 +0530, Rajil Saraswat wrote:
> 
> On Thu, 1 Oct 2020 at 16:56, Paul Gardiner <lists at glidos.net> wrote:
> > I've been using an old zbox as frontend for years now. It has
> > worked 
> > really well, especially where it matters: video playback is
> > perfect, 
> > interlaced or not, whatever the frame rate, with the TV always set 
> > correctly. Where it lacks a bit is in boot speed and a bit of lag
> > in the 
> > menus but I don't find that hugely important. What is more of a
> > problem 
> > is that I'm more frequently these days wishing to play HEVC encoded
> > content and it just can't handle that at all: presumably because of
> > the 
> > GT 610 graphics chip. So I'm considering moving to NUC. Is that a
> > good 
> > idea? If so, any recommendations for which to choose?
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> > 
> 
> My front end is a NUC 5i5RYB which works very well with 1080p files.
> However, i tried to play an HEVC file and it really struggled.  I ran
> mediainfo on the file and it showed,
> 
>  Video
> ID                                       : 1
> Format                                   : HEVC
> Format/Info                              : High Efficiency Video
> Coding
> Format profile                           : Main 10 at L5@Main
> HDR format                               : SMPTE ST 2086, HDR10
> compatible
> Codec ID                                 : V_MPEGH/ISO/HEVC
> Duration                                 : 1 h 55 min
> Bit rate                                 : 8 359 kb/s
> Width                                    : 3 840 pixels
> Height                                   : 2 160 pixels
> Display aspect ratio                     : 2.35:1
> Frame rate mode                          : Constant
> Frame rate                               : 25.000 FPS
> Color space                              : YUV
> Chroma subsampling                       : 4:2:0
> Bit depth                                : 10 bits
> Bits/(Pixel*Frame)                       : 0.040
> 
> Maybe newer NUCs are better.

I have an Intel NUC6CAYB which works very well.  vainfo says it has
hardware acceleration for the following:

      VAProfileMPEG2Simple            :	VAEntrypointVLD
      VAProfileMPEG2Main              :	VAEntrypointVLD
      VAProfileH264ConstrainedBaseline:	VAEntrypointVLD
      VAProfileH264ConstrainedBaseline:	VAEntrypointEncSlice
      VAProfileH264ConstrainedBaseline:	VAEntrypointEncSliceLP
      VAProfileH264Main               :	VAEntrypointVLD
      VAProfileH264Main               :	VAEntrypointEncSlice
      VAProfileH264Main               :	VAEntrypointEncSliceLP
      VAProfileH264High               :	VAEntrypointVLD
      VAProfileH264High               :	VAEntrypointEncSlice
      VAProfileH264High               :	VAEntrypointEncSliceLP
      VAProfileH264MultiviewHigh      :	VAEntrypointVLD
      VAProfileH264MultiviewHigh      :	VAEntrypointEncSlice
      VAProfileH264StereoHigh         :	VAEntrypointVLD
      VAProfileH264StereoHigh         :	VAEntrypointEncSlice
      VAProfileVC1Simple              :	VAEntrypointVLD
      VAProfileVC1Main                :	VAEntrypointVLD
      VAProfileVC1Advanced            :	VAEntrypointVLD
      VAProfileNone                   :	VAEntrypointVideoProc
      VAProfileJPEGBaseline           :	VAEntrypointVLD
      VAProfileJPEGBaseline           :	VAEntrypointEncPicture
      VAProfileVP8Version0_3          :	VAEntrypointVLD
      VAProfileVP8Version0_3          :	VAEntrypointEncSlice
      VAProfileHEVCMain               :	VAEntrypointVLD
      VAProfileHEVCMain               :	VAEntrypointEncSlice
      VAProfileHEVCMain10             :	VAEntrypointVLD
      VAProfileVP9Profile0            :	VAEntrypointVLD

David