[FFmpeg-devel] [RFC] Installing libavutil's crc.h?

[Michael Niedermayer]

On Wed, Dec 12, 2007 at 01:48:55AM +0100, Aurelien Jacobs wrote:
> Diego Biurrun wrote:
> 
> > On Tue, Dec 11, 2007 at 11:23:26PM +0100, Michael Niedermayer wrote:
> > > On Tue, Dec 11, 2007 at 07:35:20PM +0100, Diego Biurrun wrote:
> > > > On Tue, Dec 11, 2007 at 04:30:25PM +0100, Diego 'Flameeyes'
> > > > Petten? wrote:
> > > > > 
> > > > > So okay for bswap.h there's the configh dependency that
> > > > > disallows from installing it (but I'm still thinking how to get
> > > > > over the dep, maybe I'll provide a patch to use unifdef).
> > > > > 
> > > > > For crc.h is there something else stopping it from being
> > > > > installed?
> > > > 
> > > > This sounds backwards to me.  Headers should not be installed
> > > > without a good reason.
> > > 
> > > is it not enogh that its needed to use the crc code in libavuitl?
> > > its a mere oversight that it isnt installed
> > 
> > It is a good enough reason.
> > 
> > I'm thinking that we could solve the LIBAVUTIL_VERSION_INT issue by
> > switching the condition around, i.e.:
> > 
> > #if LIBAVUTIL_VERSION_INT  < (50<<16)
> > extern AVCRC *av_crcEDB88320;
> > extern AVCRC *av_crc04C11DB7;
> > extern AVCRC *av_crc8005    ;
> > extern AVCRC *av_crc07      ;
> > #else
> > extern AVCRC av_crcEDB88320[];
> > extern AVCRC av_crc04C11DB7[];
> > extern AVCRC av_crc8005    [];
> > extern AVCRC av_crc07      [];
> > #endif
> 
> If crc.h wasn't part of public API up to now, I wonder why do we try to
> keep stable API/ABI ?
> Is it to ensure compatibility between lavu and lavf compiled from
> different svn revision ? (I thought this wasn't supported ?)
> 
> So a simple solution to solve the LIBAVUTIL_VERSION_INT issue would
> be to just drop the legacy version of those declaration.

hmm, i guess thats ok as well

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

I have often repented speaking, but never of holding my tongue.
-- Xenocrates
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