[MEncoder-users] mencoder and mediatomb

Alex Samad alex at samad.com.au
Sat Jul 19 14:22:16 CEST 2008


On Sat, Jul 19, 2008 at 11:34:42AM +0200, Reimar Döffinger wrote:
> Hello,
> On Fri, Jul 18, 2008 at 05:48:22PM -0500, R.L. Horn wrote:
> > High values for aq don't seem to have very dramatic results with VBR 
> > encoding.  Out of curiosity, I did some ad hoc benchmarking based on your 
> > original encoding command and came up with the following (using the "all 
> > defaults" user time as a reference):
> > 
> >                       Options                T/Tr
> >      ---------------------------------------------
> >      -oac mp3lame                            1.000
> >      -oac mp3lame -lameopts aq=9             0.954
> >      -oac mp3lame -lameopts cbr:br=128       0.880
> >      -oac mp3lame -lameopts cbr:br=128:aq=9  0.544
> >      -oac pcm                                0.439
> >      -oac mp3lame -lameopts cbr:br=128:aq=9  0.437
> >          -lavcopts ...keyint=1
> >      -oac pcm -lavcopts ...keyint=1          0.333
> > 
> > > So I am guessing pcm would be eaier
> > 
> > If you have bandwidth to spare, go for it.
> 
> Note that extra bandwidth also means extra CPU usage since for transfer
> with most Ethernet cards the data must first be copied to the kernel,
> headers must be added, CRCs calculated, so using PCM might not save any
> overall CPU usage in that case...

yeah I will have to sus out the specs for the play and then find how to
get there with the min of processing power

thanks

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-- 
"The bottom line is simple: If Congress passes a law that does not clarify the rules, if they do not do that, the program is not going forward."

	- George W. Bush
09/15/2006
Washington, DC
speaking with typical clarity at a White House Press Conference
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