[Spice-devel] developer assistance

Christophe Fergeau cfergeau at redhat.com
Thu Jan 26 04:35:44 PST 2012


On Thu, Jan 26, 2012 at 12:11:27PM +0200, Alon Levy wrote:
> On Wed, Jan 25, 2012 at 01:34:17PM -0500, William F Rotach wrote:
> >    Hello Alon,
> >      The whole spice project is interesting to me. The passing of 3D commands
> >    (openGL, directX or open CL) across the interface is of particular
> >    interest, but I am not certain if there is more foundation work needed
> >    prior to resolving this feature.
> >      I am willing to work on what is needed, and a little direction would be
> >    appreciated.
> >      Thank you for your time,
> >      Regards,
> >      Will Rotach
> 
> Hi William,
> 
>  Sorry for not answering earlier, on list is better then private. There
>  are quite a lot of things that can be done. 3D for instance - I'm the
>  only one working on it right now and it's proceeding slowly, more
>  details at the end of the email. There are lower fruit to pick, you
>  should look at the FutureFeatures page, I guess you already did,
>  although it is not kept totally up to date it is mostly there. Some
>  things off the top of my head:
> 
>   - OPUS usage instead of CELT051. This looked simple at the beginning,
>     it's probably still relatively simple, but it is a little
>     complicated by the fact that OPUS uses 48000 Hz sampling rate 
>     and CELT051 uses 44100 Hz.

For what it's worth, the celt code in opus can handle 44100 just fine if
I'm reading the code correctly (celt_encoder_init), but this involves
resampling which is suboptimal.

Christophe
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