tom at redpepperracing
Mar 12, 2012, 9:12 AM
Post #1 of 3
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Re: [mythtv-commits] Ticket #10442: MythFrontend jittery video playboack on 2010 Mac mini
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On Mon, Mar 12, 2012 at 12:08 PM, <noreply [at] mythtv> wrote:
> #10442: MythFrontend jittery video playboack on 2010 Mac mini
> ------------------------------+-----------------------------------------
> Reporter: joenyland@… | Type: Bug Report - General
> Status: new | Priority: minor
> Milestone: unknown | Component: MythTV - Video Playback
> Version: 0.24.2 | Severity: medium
> Keywords: mac frontend | Ticket locked: 0
> ------------------------------+-----------------------------------------
> I have posted this to the mythtv-users mailing list, but unfortunately no-
> one has been able to offer any advice, other than installing Ubuntu on the
> Mac mini, which isn't a solution.
>
> Basically, 95% of the channels and recordings I watch (both live TV and
> recordings) have jittery playback - no pixelation, but motion is not
> fluid. This makes 95% of the stuff I watch/record in MythTV unwatchable on
> my Mac mini, which is my main frontend system.
>
> I am able to play back the same recordings files on the same system in
> XBMC (via MythTV's UPNP), VLC (again, via UPNP) and on other frontends
> too, without any issues.
>
> There seems to be some issue with MythTV's ability to utilise the GPU on
> my model of Mac mini, where other applications can utilise it fine. I can
> play back 1080p content with all the bells and whistles in the likes of
> XBMC, etc. so the GPU is definitely capable of what I am giving it.
>
> Primary frontend
> Mac mini (Mid 2010)
> Core 2 Duo 2.4 GHz CPU
> 4GB RAM 1067 MHz DDR3
> NVIDIA GeForce 320M 256MB GPU
> OS X Lion (10.7.3)
> MythFrontend jyavenard/backports/fixes/0.24 [v0.24.2-216-g247c4f1-dirty]
>
> Backend
> Dell PowerEdge T110II
> Xeon E31230 3.2 GHz (Quad core +HT) CPU - 4 cores assigned to MythTV
> backend server
> 1GB RAM 1333MHz DDR3 assigned to MythTV backend server
> Recordings stored on 3 1TB Seagate drives in md RAID5
> Ubuntu 10.04 LTS x64
> MythBackend fixes/0.24 [v0.24.2-19-g02dd6ee]
> HDHomeRun HDHR3 as the TV source - UK Freeview, so SD quality
>
> I should be able to post a sample clip later on, as I believe this will
> help support my description of the issue.
>
> If there are any other logs/versions/traces that I could provide, which
> would be useful, please let me know.
This could be related to 10414...
Tom
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