[Ffmpeg-devel] light avcodec.dll

[Colin Ward]

igor at borovkov.com wrote:
> 
> How to make light avcodec.dll e.g. with only h.263 support.
> 
> I try to $ ./configure --enable-small --enable-shared --enable-memalign-hack
> --disable-audio-oss --disable-v4l --disable-bktr --disable-dv1394 --disable-netw
> ork --disable-zlib --disable-vhook --disable-debug --disable-mpegaudio-hp
> --disable-strip --disable-encoders --disable-decoders --enable-codec=H.263
> 
> But avcodec.dll is more than 5 MB.  :(
> ~ 7MB by default

   Take a look at the attached handmade makefile and config.h.  You will 
have to tweak these for your codecs but you get the idea.  Using this 
makefile and a similar one for libavformat I got my executable right 
down to 1.5 MB (although with a different set of codecs to you).

   There are some problems with certain files being dependent on certain 
other files that they shouldn't be dependent upon, and with some missing 
#ifdef USE_ENCODERS in the source, but again, you get the idea.

   Sometimes there's nothing like a bit of hand optimsation, even if it 
is downright tedious to do it!

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