[FFmpeg-devel] [PATCH 1/2] swresample: Refactor resample asm and port it to yasm

[Michael Niedermayer]

On Wed, Mar 19, 2014 at 02:49:33AM -0300, James Almer wrote:
> This reduces code duplication and makes it easier to implement new asm 
> functions in the future
> 
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>  libswresample/resample.c            | 96 ++++++++++---------------------------
>  libswresample/resample_template.c   | 49 +++++++------------
>  libswresample/swresample_internal.h | 24 ++++++++++
>  libswresample/x86/Makefile          |  1 +
>  libswresample/x86/resample.asm      | 64 +++++++++++++++++++++++++
>  libswresample/x86/resample_mmx.h    | 74 ----------------------------
>  libswresample/x86/swresample_x86.c  | 16 +++++++
>  7 files changed, 148 insertions(+), 176 deletions(-)
>  create mode 100644 libswresample/x86/resample.asm
>  delete mode 100644 libswresample/x86/resample_mmx.h

what effect does this has on speed?
you are adding a function call in a in inner loop

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

In fact, the RIAA has been known to suggest that students drop out
of college or go to community college in order to be able to afford
settlements. -- The RIAA
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