[Ffmpeg-devel] WMA decoder speedup
Benjamin Larsson
banan
Fri Mar 23 11:03:47 CET 2007
Ian Braithwaite skrev:
> Hi,
>
>
> I've been looking at the WMA decoder, and came across:
>
> /* XXX: optimize all that by build the window and
> multipying/adding at the same time */
>
> /* XXX: suppress this */
> memset(...
>
> so I gave it a shot.
>
>
> On my test clip, I measure a speedup of about 13%, which is way
> more than I was expecting!
>
> wma.c | 2 -
> wma.h | 1
> wmadec.c | 113 +++++++++++++++++++++++++++++++--------------------------------
> wmaenc.c | 4 +-
> 4 files changed, 60 insertions(+), 60 deletions(-)
>
>
> Regards,
> Ian
>
Hi, can you look at the XXX: use a table comments also ? Are you
planning to do a fixedpoint port of the wma codec also ?
MvH
Benjamin Larsson
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