[vdr] Re: can the osd be accessed by a separate pthread?

[Gunnar Roth <gunnar.roth@gmx.de>]

Clemens Kirchgatterer wrote:

> Gunnar Roth <gunnar.roth@gmx.de> wrote:
>
>  
> > I use idnlog to display the current phone caller name and number on
> > tv, by using svdrsend.pl
> > I just did a test. i opened tetris and by accident, my sister in law 
> > called on the phone.
> > the reult was, that the tetris plugin was shattered, the message
> > diplay line, was transparent black on top of the screen,
> > insteas of beieng green and at the bottom. furthermore video and sound
> > of the live a/v was heavily distorted.
> >    
> i would say this is a bug in vdr, because it should not use the osd
> while a plugin has opened it. i guess it just uses the osd pointer not
> knowing that it is already in use.
>  
Hello?  Did you read my first mail completely?  there i mentioned that i 
think it it not allowed
for a plugin to access the osd from a separate thread, this was what 
klaus told me in his answer to another post, about using Inetrface->Status()
in a separate thread.

> > there should be some way to stop the games plgun from  using the osd, 
> > while the main thread uses the osd.
> >    
> vdr has the possibility to shutdown the plugin at any time, for example
> the menu button does trigger this. 
>  
Hmm shutdown is a little bit to harsh IMHO, there should be a way to 
notify the plugin to stop using the osd for this period of time
where status messages are displayed.

>  
> > maybe the cStatus class can be used...
> >    
> the osd should be shareable to some degree. why shouldn't tetris run
> undesturbed while a message gets displayed. this may be really
> compleacted to implement properly, though.
>  
This would be even better of course if it is kust for status messages

> > i think  the core vdr should improve this in helping the plugins in
> > some way, to not mix up the osd.
> >    
> IMHO, in your test case it is the other way round. vdr messes up the
> tetris plugins osd. :o)
>  
Tell this klaus, i am eager for his answer  *g*

> regards ...
> clemens
regards,
gunnar





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