[Ffmpeg-devel] [RFC] wmadec init float to fixedpoint conversion

Michael Niedermayer michaelni
Fri Mar 3 13:59:39 CET 2006


On Fri, Mar 03, 2006 at 12:36:28PM +0000, Benjamin Larsson wrote:
> Hi, attached is a WIP for removing all the floats in the init routines
> for wma. What I'm aiming for is that the code maintains it's readable
> way and that all floats are removed. Currently I'm keeping an option to
> still use floats through a define. Is that needed ?

for the init code? if your integer code is accurate then no
for the actual wma decode? certainly, many modern CPUs have very fast
FPUs which are much faster then integer instructions and all the shifts
and other extra maintaince code you need for integers



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