[FFmpeg-devel] [PATCH][RFC] Lagarith Decoder.

[Måns Rullgård]

Michael Niedermayer <michaelni at gmx.at> writes:

> On Wed, Aug 12, 2009 at 06:31:36PM +0200, Reimar D?ffinger wrote:
>> On Wed, Aug 12, 2009 at 05:10:36PM +0100, M?ns Rullg?rd wrote:
>> > Reimar D?ffinger <Reimar.Doeffinger at gmx.de> writes:
>> > 
>> > > On Wed, Aug 12, 2009 at 04:12:25PM +0100, M?ns Rullg?rd wrote:
>> > >> Reimar D?ffinger <Reimar.Doeffinger at gmx.de> writes:
>> > >> 
>> > >> > Well, you still have to teach the compiler at least to use clz for
>> > >> > av_log2, I think you haven't yet ;-)
>> > >> 
>> > >> I can't because it's in common.h, which is installed.  We really
>> > >> should find a way to fix that.
>> > >
>> > > Just put the optimizations under HAVE_AV_CONFIG_H like everything else
>> > > in there that is messy?
>> > 
>> > And keep adding to the mess?  That's not the way to do things.
>> 
>> Then how about adding a new internal header with that function and
>> putting the version in the installed header under
>> #ifndef HAVE_AV_CONFIG_H
>> i.e. just to keep API compatibility?
>> Possibly even deprecating that version?
>> Would that be clean enough?
>
> It would be nice if applications using libav* could also use the optimized
> version

I can't see a way to make that happen.

-- 
M?ns Rullg?rd
mans at mansr.com