[mythtv] Flicker During Video Playback - Testing Older Versions

Steven Adeff adeffs.mythtv at gmail.com
Thu Oct 5 20:17:33 UTC 2006


On 10/5/06, Nick <knowledgejunkie at gmail.com> wrote:
> On 05/10/06, jmk <jmk at foofus.net> wrote:
> > Hi,
> >
> > I recently upgraded to the release-0-20-fixes branch (r11261). I'm now
> > seeing what I would call random flicker or horizontal lines of varying
> > length and location appearing during video playback. Oddly, even when
> > the video is paused the lines will continue to appear and disappear.
> > I've observed this behavior in both MythTV and MythVideo using the
> > Internal player. Viewing images in MythGallery and watching the same
> > videos (IVTV and DVD rips) in mplayer, however, looks 100% fine.
>
> I also see these interlacing artefacts on recent SVN versions since
> 0.20 was released, both in recordings and Internal DVD playback (using
> kernel-deint also). It appears to be due to MythTV incorrectly
> detecting the interlacing in the video stream. I now select
> Interlaced(reversed) from the menu which clears it up, as Autodetect
> doesn't work. I hope that in the future there might be an option to be
> able to select the default format.

try playing with OpenGL Vsync and deinterlacing. I had a similar
situation, mplayer looked fine, Myth showed tearing. So I thought to
myself "whats mplayer using/not using?" and tried to match that with
Myth. Bam! perfect video output in Myth =)

-- 
Steve
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