[MPlayer-users] which codecs utilize FPU intensively?

[D Richard Felker III]

On Fri, Jan 17, 2003 at 08:49:55PM +0100, Marcus Blomenkamp wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi there.
> 
> Are there any statistics or opinions from developers on which codecs use 
> floatingpoint operations intensively? I'm thinking about running mplayer on a 
> machine thats really slow when it comes to fpu ops (via esp5000 667 mhz).

AC3 (liba52), OGG, and WMA decoders use float; that's about it for the
useful codecs. Also you can compile with --enable-tremor (if you've
installed the "Tremor" integer-only ogg decoder lib) to make ogg
playback a ton faster, so it's really only AC3 and WMA that matter.
And Fabrice is working on integer-only decoders for these formats in
libavcodec, so someday float should be entirely irrelevant to mplayer
performance. :)

Rich