[FFmpeg-devel] [PATCH 5/7] flacdsp_lpc_template: add comment to explain the CONFIG_SMALL code

Michael Niedermayer michaelni at gmx.at
Sat Feb 15 20:45:53 CET 2014

On Fri, Feb 14, 2014 at 04:14:53PM +0100, Christophe Gisquet wrote:
> Hi,
> 2014-02-14 12:40 GMT+01:00 James Darnley <james.darnley at gmail.com>:
> > I found the optimisation of 2 samples per iteration obscured the
> > underlying algorithm.  I had to write it out on paper and translate into
> > a mathematical sum to see that the two samples are unconnected.  I hope
> > that if anyone else is struggling to understand the code that this will
> > be useful.
> I agree. An optimization in C may distract from the proper way of
> doing a DSP implementation.



Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When the tyrant has disposed of foreign enemies by conquest or treaty, and
there is nothing more to fear from them, then he is always stirring up
some war or other, in order that the people may require a leader. -- Plato
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