Bug#506244: mplayer: Can't keep up with 64kbit/s Vorbis on 400MHz CPU

[Reimar Döffinger]

On Fri, Aug 06, 2010 at 05:07:14PM +0200, Diego Biurrun wrote:
> On Fri, Aug 06, 2010 at 10:16:49AM -0400, Reinhard Tartler wrote:
> > 
> > In case this works, Diego, Reimar, do you think it's worth to ship a
> > different codecs.conf on arm-ish (arm, armel and armhf) platforms that
> > prefer tremor over ffvorbis? Or can this preference perhaps be
> > influenced by a configure switch?
> 
> I have thought about this before, but I have no good idea how to solve
> this.  A different codecs.conf will work, but it's ugly.  Maybe we
> could add a fixedpoint flag to codecs.conf entries and prefer these
> codecs on systems without FPU?
> 
>  Reimar?

I think the approach that was discussed for FFmpeg was to only
compile the faster variant.
I has quite a few issues, but in principle only compiling in
tremor support would select it.
It would also work the other way round (and probably better),
make tremor the default but only compile it in on FPU-less
systems.
In the case of MPlayer there may be some issues with that,
e.g. the native ogg demuxer behaviour might change.
Of course the best solution would have been if tremor
hadn't been developed as a completely different library but
instead was just a different configuration of libvorbis...