To compile this demo follow the following steps (you can also run ./compile.sh
which does all the steps):

1) Download/update git submodules

   git submodule init
   git submodule update

2) Compile it

   cd build
   ( cd ffmpeg && ln -s ../../src/libswscale . && ./configure && ./version.sh $PWD version.h )
   make default-config
   echo CONFIG_AQUOSA=y >>config.omk
   make