[mythtv-users] DVD Drive Playback Problems

[Ashley Bostock]

2008/6/11 Brandon L. Rogers <blrogers at ieee.org>:
> All,
>
> I hope you all might be able to help me with some DVD playback problems that
> I have been having...
>
> First, the symptoms:
>
> - libdvdnav errors on all DVDs for all players that use the library (xine,
> mythvideo, etc).  This causes playback to crash or freeze on all players.
> - Mostly fine, but occasionally jumpy (with greatly increased volume levels
> during the skips) on players that do not utilize libdvdnav (mplayer).  There
> is a high amount of drive activity during the skips.
> - Occurs with all encrypted DVDs.
>
> Now the background.
>
> The only thing that I can see that appears to be different is that I
> upgrading the distribution.  When everything was running fine, I was running
> on openSUSE 10.2, then upgraded to Debian Etch, then Debian Lenny, then
> MythDora 5 (FC8).  All the newer distros exhibits these same problems.  The
> only thing I can tell changed is that the newer distros are using /dev/sr0
> (the SATA drivers for IDE CDROMs) while openSUSE was using /dev/hdb.  I have
> no I idea if this could even remotely be the problem...  During this upgrade
> I also upgraded to 0.21-fixes.  (So as you can see... a lot of things have
> changed.)  I thought perhaps that it could be a problem with the hardware,
> but I switched out the drive with a brand new one in my Windows machine and
> that same drive, played the same DVDs perfectly in Windows.
>
> My Set Up...
>
>        Pentium 4 HT 2.8 GHZ
>        2 GB RAM
>        DVD-RW 52X
>        MCEUSB2 remote
>        NVIDIA FX 5200
>        DVI->HDMI->32" HDTV
>        libdvdread, libdvdnav, and libdvdcss are all installed and working
>
>
> Does anyone have *any* idea or hints about this one?  I've been scouring
> mailing lists and Google for almost 3 weeks now and can't find a single
> thing.
>
> As a side note, MythTV playback seems to have gone downhill is some respects
> in 0.21-fixes (at least on my setup)...  Can't resize recording playback to
> compensate for overscan, internal DVD player freezing on menus...  (On the
> other hand, though, playback speed seems better, less CPU utilization,
> better options for XvMC, etc...  maybe a toss-up).  Is anyone else
> experiencing this or am I alone in banging my head on the wall.
>
> Thanks for any help you can provide!  Sorry for the book...
>
> Thanks,
> Brandon
>
> As a note beside the side note, it was a sad day yesterday when my wife
> unplugged the mythbox in favor of the standalone DVD player...  In an
> attempt to vindicate Linux DVD playback, I came to you all.
>
>
>
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>

Sounds like a similar issue to what a friend of mine has seen with a
recent distro update.

Perhaps this helps...
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/213639

Ash