[mythtv] mythfrontend -v playback help needed

Paul Andreassen paulx at andreassen.com.au
Tue Oct 26 11:51:09 UTC 2004


On Tue, 2004-10-26 at 09:19, Flo Kohlert wrote:
> iīm currently rying to find out why my frontendgui looks far better on my tv
> than watching anything (seems like interlaced output on gui and merged
> fields on watching tv/recordings). Mythfrontend -v playback gives me these
> messages who rised my attention:
> Image Size: dispxoff 0 dispyoff 28(???) dispwoff 720 disphoff 540 (???)

This just means that the image is move down the screen a bit.

> NvidiaVideoSync: VBlank ioctl did not work
> DRMVideoSync Couldnīt open dev/dri/cardo
> Can anyone explain these to me please?

These are different sync methods tested to decide on the best one. 
NvidiaVideoSync probable should have worked for you if you have nvidia
kernel modules and "nvidia" as the x server driver.  Worse sync methods
may give a tearing effect but I've never noticed any.

> No deinterlace or any other filters, no xvmc, gf4mx, recordings and modeline
> 720x576 (tried modeline 768x576 aswell due too square pixels but didnīt make
> any difference), Output via vga2rgb converter(thx to
> http://www.nexusuk.org/projects/vga2scart/) which makes a brilliant clear
> and sharp picture if iīm in the gui.

Did you check the channel setups because each channel can have a filter?

Paul



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