[mythtv-users] FireTV 4K vs. Shield TV for mythtv frontend and Leanfront
pb.mythtv at gmail.com
Thu Sep 17 13:36:29 UTC 2020
On 9/17/20 8:05 AM, lists at arewethere.net wrote:
> On Wed, Sep 16, 2020 at 02:44:17PM -0500, David Engel wrote:
>>> I guess it doesn't bother me since I don't know what to look for. I mostly
>>> record HDTV OTA MPEG2 stuff from my antenna connected to an ATSC tuner like
>>> HDHR. All of the stuff I watch is with mythfrontend or leanfront and I
>>> think it looks as good as with my PC with Nvidia GT1030 gfx card.
>> If you had the problem, you'd definitely notice it. You'd also see it
>> on your GT1030. It sounds like you're lucky and none of your local
>> channels are using the encoder parameters or encoders that cause the
>> problem to show up.
> I have been seeing a problem like this for quite a while but
> I was putting it down to glitches in the tv cards or something.
> It was always a puzzle because I have decent signal strength
> and I see it on all tuners (dvico, leadtek usb, hauppage quad).
> Let me list the symptoms to check
> - DVB-T transmission (PAL)
> - 7MHz channel width
> - MPEG2 video
> - Nvidia GeForce GT 710
> - Content mostly 720p, some 1080p, no 4k
> - v29 for the moment
> - current playback profile is 'slim' but I see similar things
> with other profiles like vdpau or opengl
> Still a match?
> create a hybrid, palyback profile that does mpeg2 decoding
> in software and the rest with mediacodec.
> Not sure how to go about creating a custom playback profile.
> https://www.mythtv.org/wiki/Playback_profiles looks like the
> place to start...guessing the steps are
> - make a new playback group
> - tweak the profile so Decoder is 'ffmpeg' for all resolutions
> - not sure what's next
> Any hints?
There are fairly detailed instructions in the wiki (RTFM) :
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