[FFmpeg-devel] [PATCH] Allow setting mode MONO in libmp3lame if the library is greater than 3.97

Kostya kostya.shishkov
Mon Aug 16 16:32:32 CEST 2010


On Mon, Aug 16, 2010 at 03:15:11PM +0100, M?ns Rullg?rd wrote:
> Stefano Sabatini <stefano.sabatini-lala at poste.it> writes:
> 
> > On date Monday 2010-08-16 17:18:51 +0200, Michael Niedermayer encoded:
> >> On Fri, Aug 13, 2010 at 02:29:11PM -0700, Thierry Foucu wrote:
> >> > On Fri, Aug 13, 2010 at 11:40 AM, Reimar D?ffinger <Reimar.Doeffinger at gmx.de
> >> > > wrote:
> >> > 
> >> > > On Fri, Aug 13, 2010 at 10:00:39AM -0700, Thierry Foucu wrote:
> >> > > > +    get_lame_version_numerical(&lame_version);
> >> > > > +    if (lame_version.major <= 3 && lame_version.minor < 97) {
> >> > >
> >> > > I think that isn't quite right, it would do the wrong thing
> >> > > for a (probably non-existent and not supported by us)
> >> > > 2.99 version.
> >> > >
> >> > 
> >> > True.. Will send a new patch for this (after the follow up
> >> > question will be answer)
> >> > 
> >> > 
> >> > > Also do we really need to support the buggy older versions?
> >> > >
> >> > 
> >> > 
> >> > Up to you. I can remove the test and be done with it.
> >> > What do the others dev think about it?
> >> 
> >> i am in favor of such checks if and only if we have a volunteer to maintain
> >> them
> >> 
> >> do we?
> >
> > I'm for adding a version check in configure, which avoids the use of
> > an older version, as we do for other libraries (e.g. libx264,
> > librtmp).
> 
> How likely are old lame versions in the wild?  IOW, how old is the
> latest bad version, and have major distros updated (to the extent they
> ship lame at all)?

Vitor suggested once that we should integrate it into our codebase. Then
we can care not about library version.
 
> -- 
> M?ns Rullg?rd
> mans at mansr.com



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