[mythtv] PowerPC (Working)

Mino Taoyama mythtv at taoyama.com
Tue Dec 14 06:53:07 UTC 2004


Nigel,

Did a distclean build on the Linux PowerPC backend and frontend with 
your patches and everything works great.  There must have been 
something going on with some stale libraries.

Thanks for you help.

Mino


On Dec 13, 2004, at 7:43 PM, Nigel Pearson wrote:

>> With the patches you sent the Linux PowerPC frontend now has proper 
>> audio instead of static
>> but the processor utilization went through the roof so it has a 
>> constant prebuffering pause.
>
> 	Interesting. I would have thought that the PPC backend's
> CPU usage should have increased by the same amount, since it
> is also having to byte-swap all audio and video data.
>
>
> 	Those patches cause the OSS or ALSA libraries to do byte swapping.
> I wonder if there is a bug in that code? (or in the PPC implementation)
>
> 	Do you know what audio bitsize is being swapped?
> I suspect 24bit is a lot slower to swap than 16bit
>
>
> 	Thanks for the update.
>
> --
> Nigel Pearson, nigel at ind.tansu.com.au | "Reality is that which,
> Telstra BI&D, Sydney, Australia       |  when you stop believing
> Office: 8255 4222    Fax:  8255 3153  |  in it, doesn't go away."
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>
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