[Ffmpeg-devel] question

Michel Bardiaux mbardiaux
Wed Apr 25 11:18:06 CEST 2007

Ismail D?nmez wrote:
> On Wednesday 25 April 2007 12:08:39 Michel Bardiaux wrote:
>> N. de Jonge wrote:
>>> Hi there,
>>> Can anyone tell me what's going on with the "img_convert" function? It
>>> seems that Kdenlive stopped working because it relies on the MLT
>>> framework, which uses FFmpeg, and if I'm guessing correctly, MLT is
>>> calling for "img_convert", but that has become an undefined symbol.
>>> Now, someone on #ffmpeg on the Debian Server suggested to me to remove
>>> the --enable-swscaler option when running configure for FFmpeg, but that
>>> didn't have any effect.

Look just above ^

>> With the latest svn and a vanilla configure, img_convert is still there:
>> nm -Bo libavcodec/libavcodec.a | fgrep img_convert
>> libavcodec/libavcodec.a:imgconvert.o:00000e60 T img_convert
>> libavcodec/libavcodec.a:imgresample.o:         U img_convert
>> So you should post the configure command you use, with its output.
>> But if I understand the plan, it is indeed that img_convert will become
>> internal-only, client code being supposed to use sws_scale, which will
>> be implemented using img_convert when --enable-swscaler is off (to
>> produce an LGPL build).
> To reproduce the problem you need to --enable-swscaler which will 
> need --enable-gpl.

See note above.

Michel Bardiaux
R&D Director
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