[Vorbis-dev] any optimizations possible in OGG or vorbis to reduce time?

Gregory Maxwell gmaxwell at gmail.com
Thu Sep 3 11:29:25 PDT 2009


On Thu, Sep 3, 2009 at 2:26 PM, Sumit Chatterjee<getsumit at gmail.com> wrote:
> Respected all,
>     I have been able to make my whole setup ready with OGG VORBIS encoder
> and decoder as provided by the open source libraries. I am very happy with
> the result. I have one concern in the same. : Can the performance of the
> encoder be enhanced? Currently for 44KHz stream it is taking upto 300ms to
> encode 500-600ms of data. I wanted a figure well within 500 ms.
>     Can I get a starting point that I can attack either in OGG library or in
> VORBIS encoder library...??


Greetings. Is your concern algorithmic delay or computational
complexity?  If the latter— what platform are you testing on?  The
encoder is a decent multiple of realtime on typical desktop processors
today.


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