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

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

Hello programmers ;-)
I am curious if the osd cann be accessed from a separate pthread.
i thought that should not be done. but i had a look into the games 
plugin and it does just that.
it opens the osd by calling OpenRaw in its thread. is this really 
possible, or better, is this allowed?

if not, how can a plugin draw an animated osd graphic smootly? i doubt 
that doing the drawing on kNone gives a smooth result.
i would like to write a news feed plugin,  with a scrolling band 
containing the latest news on the screen lower border.

furthermore this plugin, doesnt wait until the thread really ends, but 
simply the the running flag to falls, on BACK-KEY press and returns from 
PROCESS key.
it doubt that this is a correct behaviour. im all new to pthreads on 
linux so i cannt estimate what can be done and what not.


regards,
gunnar






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