[FFmpeg-devel] [PATCH] aaccoder: reduce the multiplication

Michael Niedermayer michaelni
Sat Mar 5 22:29:53 CET 2011


On Fri, Mar 04, 2011 at 05:19:53PM +0900, Young Han Lee wrote:
> ---
>  libavcodec/aaccoder.c |   48
> ++++++++++++++++++++++++++----------------------
>  1 files changed, 26 insertions(+), 22 deletions(-)
> 
> 
> Hi,
> 
> there are a lot of w*16 repeatedly.
> It seems the same multiplication can be removed.
> I switched it to w16.
> If it is acceptable, I'm going to do this for the rest of part.
> I need your calls.
> 
> Regards,
> Young Han

>  aaccoder.c |   48 ++++++++++++++++++++++++++----------------------
>  1 file changed, 26 insertions(+), 22 deletions(-)
> ca5b44e73d54f9dbbe5d2aa00a9505f59a46c97e  0001-aaccoder-reduce-the-multiplication.patch
> From 82b1c0a831d26eda4708409f2bd56161314e5daf Mon Sep 17 00:00:00 2001
> From: Young Han Lee <cpumaker at gmail.com>
> Date: Fri, 4 Mar 2011 17:08:05 +0900
> Subject: [PATCH] aaccoder: reduce the multiplication

Is it faster?

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

I hate to see young programmers poisoned by the kind of thinking
Ulrich Drepper puts forward since it is simply too narrow -- Roman Shaposhnik
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