[vdr] Re: Softdevice + EPIA-M / Sound resampling

[Teemu Suikki <tsuikki@zuik.org>]

On Sun, 1 Feb 2004, Colin Paton wrote:

> Playing back with blit added (get video display) = ~78% CPU
> Playing back with blit + FB sync = ~98% CPU

Looks like the FB sync is done with busylooping.. :/ is this in DirectFB
or viafb or somewhere else? Most VGA chips can generate a interrupt at
VSync, wait should be possible using that..

Or a quick fix, add some sleeps inside the loop.. :)

> I figured it would probably be suitable just to be simple and drop or add a
> frame in order to maintain sync between the broadcast timestamps and the
> video clock. I go with the assumption that the difference between the two
> shouldn't be too much, therefore the odd frame slip won't be noticeable.

Heh, just what I said in my previous mail, sorry for not reading
everything. :)

--
Teemu
http://zuik.org/



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