[mythtv-users] mythtv newer than 0.21 (july2008) screws up PVR500 picture

[James Warden]

replying to myself:

reverted back to 0.21.svn20080706 of mythbackend ...
this server of mine seems to refuse any mythtv upgrade after this version (debian-multimedia @ lenny). It truly sucks ...

J.
 

--- On Mon, 11/16/09, James Warden <warjamy at yahoo.com> wrote:

> From: James Warden <warjamy at yahoo.com>
> Subject: [mythtv-users] mythtv newer than 0.21 (july2008) screws up PVR500 picture
> To: mythtv-users at mythtv.org
> Date: Monday, November 16, 2009, 5:51 AM
> Hi there,
> 
> I just upgraded mythtv to 0.22 from a 0.21 version that
> dates back from july 2008 (I believe the dB schema version
> was 1214). The version I use now is 1244 (debian multimedia
> experimental).
> 
> Anyway, I had a little problem when the schema version
> bumped up from 1230 to 1231 but I could fix it easily (see
> my other thread).
> 
> My backend uses a PVR500 PCI card. It works nicely with the
> ivtv driver and it has been so for as long as I can
> remember.
> 
> However, mythtv is now screwing up the picture whenever I
> watch liveTV. If I do not use mythbackend, just use a cat
> /dev/video0 or 1 > somefile.mpg and play this back with
> say mplayer, it is as nice as usual. As soon as I use
> mythtv, the picture gets scrambled, as if something was
> wrong with VBI.
> 
> I noticed this once when I tried to update mythtv a year
> ago (was still 0.21 but a later svn version) so i reverted
> back to the version of mid-summer 2008. I also believe I
> wrote to the list about this issue. It is biting me again
> with 0.22.
> 
> I am using a very recent kernel 2.6.31 on a miniITX board
> (VIA EN12000-EG), C7 proc, 512 DDR2 RAM. This box is usually
> running continuously, with very little maintenance needed. I
> wanted to use myth 0.22 due to new frontends that can use
> vdpau. 
> 
> I hope someone has a hint on this. I will see if I can
> narrow down what could produce this picture scrambling or
> stuttering.
>  
> J.
> 
>  
> 
> 
> 
> 
> 
>       
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> 

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