[mythtv-users] Raspberry Pi 3 frontend not quite getting there

Peter Bennett cats22 at comcast.net
Sat Oct 15 22:17:35 UTC 2016


On 10/15/2016 01:01 PM, mythtv wrote:
> I'll do that soon.  I've repurposed the pi3 for something at work at the
> moment.  When I get it back, I'll try grabbing some logs and making them
> available.  The video might be harder to get.  I loaded it up in VLC and
> noticed that it too had trouble playing.  Turns out the video has
> unaligned frames.  This is recording from an HDPVR at 720p.  I have to
> find a video cutter (the total file size is over 5GB), otherwise,
> re-encoding might actually fix the problem.  I was also surprised to see
> that myth is now recording to .ts files instead of .mpg.  Not sure when
> that switch occurred.  It doesn't affect anything, just a curiosity to me.
>
> Does anyone know of a good free mpeg cutter I can use?

Does the video play correctly on MythTV on a normal linux backend? If it
has the same problems there, then this is not a raspberry pi problem.

For splitting the video it is best to just use dd. Other programs may
well fix the problem while splitting the file. Figure out where the
error is occurring, then extract 1 minute or so, for example
dd bs=1MB count=201 skip=4889 if=3819_20160207020000.ts
of=extracted_with_dd.ts

Files changed to .ts in MythTV 0.28

Peter





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