[mythtv] 720x480 video corrupted

Trevor Kramer tkramer at hampshire.edu
Sun Aug 13 20:42:33 UTC 2006

This also happens when using the 'Internal' player for dvds - and  
again mplayer and xine can play the dvds fine. Also strangely 720x480  
content plays ok in myth when using XvMC so it is just 720x480  
content using Xv in mythtv.


On Jun 19, 2006, at 11:42 AM, Daniel Kristjansson wrote:

> On Mon, 2006-06-19 at 11:17 -0700, Trevor Kramer wrote:
>> Hello,
>> I am running svn mythtv on a EPIA board (CN700 North Bridge) using a
>> PVR-500 for captures. I am using the latest svn version of the
>> openchrome drivers and using regular Xv output. When capturing video
>> at 720x480 the video plays back corrupted with red diagonal lines
>> across the screen and a green bar at the bottom - I have a picture of
>> it here - http://www.trevorkramer.com/myth_corrupted.jpg. The same
>> file plays fine in mplayer and xine. When capturing at 480x480 or
>> several other settings it plays back fine in mythtv. Anyone have any
>> idea on why 720x480 would not work in myth but other resolutions
>> would?  Any pointers on where in the code to start looking?  Thanks,
> It looks like MythTV and X disagree about the horizontal playback
> resolution. Have a look at videoout_xv.cpp for the MythTV side of
> things, but I think you'll probably find this is an OpenChrome
> problem so you should search for supported resolutions with those
> drivers as well.
> -- Daniel
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