[vdr] Thread priority of cutting thread in vdr

Klaus Schmidinger Klaus.Schmidinger at cadsoft.de
Sun Oct 9 11:50:18 CEST 2005

peter.dittmann at freenet.de wrote:
> 'm also using older PC types (PIII) and the cpu load of the cutting thread 
> is seriously hampering the resposiveness of vdr.
> Is there a way to lower the priority of the thread for cutting ?
> I know there are some patches around (cutter-queue; bandwith),
> but both seems not to address it on the thread priority.
> Wouldn't it being a real solution to make the cutter a background task on nice
> level ?
> I've tried to understand how vdr sets the thread priority but I got lost.
> Can somebody shed some light on the was the thrad priorities are assigned and
> wether it woul be possible to place a single thread at nice level while vdr
> still uses normal sheduling.

If you're using the current developer version, simply put a call to


at the beginning of cCuttingThread::Action().
Let me know if this helps, the I'll add it to the official code.


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