[Libav-user] reduce dll size

[YIRAN LI]

Hi All,

I had a try on ffmpeg 2.0.1 with this options

   --disable-static
   --enable-shared
   --disable-doc
   --disable-ffmpeg
   --disable-ffplay
   --disable-ffprobe
   --disable-ffserver
   --disable-network
   --disable-avfilter
   --disable-avdevice
   --enable-small
   --enable-memalign-hack
   --disable-bsfs
   --disable-protocol=pipe
   --disable-bzlib
   --disable-devices
   --disable-filters
   --disable-iconv
   --disable-zlib
   --disable-debug

and the dlls size are

5547801 Mar  7 10:19 ./ffmpeg/libavcodec/avcodec.dll
1397577 Mar  7 10:20 ./ffmpeg/libavformat/avformat.dll

I manually striped them in MinGW and then size changed to
4804110 Mar  7 10:35 ./ffmpeg/libavcodec/avcodec.dll
1036814 Mar  7 10:36 ./ffmpeg/libavformat/avformat.dll

I found that strip for libraries will only be called when 'make install' (I
used to call make
only, because I only need the dlls to run on Windows). So I called make
install
and then dlls were installed into /mingw/bin and they are exactly the same
size as that achieved
when I manually can strip.

So, I guess 4804110 for avcodec and 1036814 for avformat may be
the best we can get.

Thanks
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