[mythtv-users] LiveTV on HD channel?

Michael T. Dean mtdean at thirdcontact.com
Sun Mar 5 22:19:37 UTC 2006

On 03/05/2006 02:24 PM, Ken Mandelberg wrote:

>From: "Michael T. Dean" <mtdean at thirdcontact.com>
>>On 03/04/2006 07:11 PM, Ken Mandelberg wrote:
>>>I'm able to get LiveTV to work on the SD channels over firewire. The
>>>image fills the 4x3 screen on my latop. On HD channels I get audio, a
>>>blue screen and an X bad param error on a shared memory segment.
>>>I presume this is because the size and resolution of the HD image.
>>>Do I need to tell Myth to scale the image somehow?
>>What's the exact error?  If you show the messages in your frontend log,
>>I could probably say for sure, but my guess is that your video card
>>cannot handle images of the size required for HD.
>The exact error is
>VideoOutputXv Error: CreateXvShmImages(): XvShmCreateImage() failed to 
>create image of the requested size.
>It's no surprise that it cannot display a 1920x1080 image on a 1024x768 
>display. Still there should be a way to scale it. Xine manages to do it 
>on the same hardware.

As I presumed:  http://svn.mythtv.org/trac/ticket/1190

You need a better video card or better video card drivers.


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