[FFmpeg-devel] foo -> libfoo changes

[Ismail Dönmez]

On Monday 11 June 2007 16:12:43 Michael Niedermayer wrote:
> Hi
>
> On Mon, Jun 11, 2007 at 04:26:02PM +0400, Pavlov Konstantin wrote:
> > On Thu, Jun 07, 2007 at 07:47:16PM +0300, Ismail D?nmez wrote:
> > > [...]
> > >
> > > >  @item example command line
> > > > -ffmpeg -i input -acodec aac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2
> > > > -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X
> > > > output.mp4 +ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4
> > > > -b 1200kb -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180
> > > > -title X output.mp4 @end table
> > >
> > > This _is_ bad. The code name is AAC not libfaac, same for mp3 there is
> > > no codec called libmp3lame. Changes in configure script is ok but
> > > changing codec name is a very bad idea and breaking backward
> > > compatibility for no apparent reason.
> >
> > Sure it is. Strange to see such a change in the ABI breaking all the
> > stuff linked to older ffmpeg.
>
> feel free to send a patch for avcodec_find_encoder_by_name() so it
> selects libfaac/libmp3lame if no aac/mp3 is found

As seen on #ffmpeg :

<thresh> xdtv: symbol lookup error: xdtv: undefined symbol: x264_encoder

So the abi is broken not just command line.

Regards,
ismail

-- 
Perfect is the enemy of good
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