[MPlayer-dev-eng] liba52 vs. libac3

Michael Niedermayer michaelni at gmx.at
Mon Dec 17 18:48:53 CET 2001


Hi

On Monday 17 December 2001 18:03, Arpi wrote:
[...]
> yet another thing to optimize: resample.c
> i'll modify test.c to use it for testing. (mplayer uses resample.c already)
ok, thanks

> i think it's easy, it just converts 256 float blocks to 16bit short int
> blocks and interleave them if >1 channels. mmx could help a lot here i
> think.
yes or MMX/SSE mix without the bias stuff might be even faster

>
> maybe the tricky float->int used in C version can be replaced real
> float->int done by mmx/sse/3dnow code (if it's faster - i don't know)
should be faster

Michael



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