apt-get install \
    build-essential imagemagick \
    libpng12-dev libjpeg8-dev libtiff4-dev libgif-dev \
    libsdl-gfx1.2-dev libsdl-image1.2-dev libsdl1.2-dev \
    libavcodec-dev libavdevice-dev libavformat-dev libavutil-dev \
    libavfilter-dev \
