[mythtv] h.264 multithreading

[John]

John wrote:
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> I'll post anyway, so Janne picks the issue up for future multithread 
> updates to trunk.
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> John
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>
For anybody interested in this thread, I have opened a ticket in the 
hope that there is enough intrest in this to get it added to SVN. 
http://svn.mythtv.org/trac/ticket/4476

I have just updated the original combined patch from Riz, to Head. I 
guess for it to be fully added, then the hard coded options of no. 
cpu's, and turning on and off the loopfilter would need to be abstracted 
to the gui.

john