[FFmpeg-devel] [PATCH] adpcm: Reset the ssd back to zero more often

Michael Niedermayer michaelni
Sat Nov 20 02:21:30 CET 2010


On Thu, Nov 18, 2010 at 04:01:31PM +0200, Martin Storsjo wrote:
> If using very large trellis sizes (e.g. -trellis 15), the frontier
> is so large that the difference between the best and the worst
> trellis node in the frontier is large enough to cause wraparound.
> 

> Resetting at (1<<20) is enough to avoid the issue at -trellis 16

have you come to this conclusion by proof or by simply changing the
threshold and seeing no problems?

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When you are offended at any man's fault, turn to yourself and study your
own failings. Then you will forget your anger. -- Epictetus
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