anchor.diff:  #   plus a bunch of build essencials
   #######################################
   
  -# Set Locale
  -
  -RUN locale-gen en_US.UTF-8
  -ENV LANG en_US.UTF-8
  -ENV LANGUAGE en_US:en
  -ENV LC_ALL en_US.UTF-8
  -
  -RUN apt-get -qq remove ffmpeg
  -
  -RUN echo deb http://archive.ubuntu.com/ubuntu trusty universe multiverse >> /etc/apt/sources.list; \
  -    apt-get update -qq && apt-get install -y --force-yes \
  -    curl \
  -    git \
  -    g++ \
  -    autoconf \
  -    automake \
  -    mercurial \
  -    libopencv-dev \
  -    build-essential \
  -    checkinstall \
  -    cmake \
  -    pkg-config \
  -    yasm \
  -    libtiff4-dev \
  -    libpng-dev \
  -    libjpeg-dev \
  -    libjasper-dev \
  -    libavcodec-dev \
  -    libavformat-dev \
  -    libswscale-dev \
  -    libdc1394-22-dev \
  -    libxine-dev \
  -    libgstreamer0.10-dev \
  -    libgstreamer-plugins-base0.10-dev \
  -    libv4l-dev \
  -    libtbb-dev \
  -    libgtk2.0-dev \
  -    libfaac-dev \
  -    libmp3lame-dev \
  -    libopencore-amrnb-dev \
  -    libopencore-amrwb-dev \
  -    libtheora-dev \
  -    libvorbis-dev \
  -    libxvidcore-dev \
  -    libtool \
  -    v4l-utils \
  -    python2.7 \
  -    python2.7-dev \
  -    python-numpy \
  -    default-jdk \
  -    ant \
  -    wget \
  -    unzip; \
  -    apt-get clean
  -
  -ENV YASM_VERSION    1.3.0
   ENV OPENCV_VERSION  2.4.10
   
   WORKDIR /usr/local/src
   
  -RUN git clone --depth 1 https://github.com/l-smash/l-smash
  -RUN git clone --depth 1 git://git.videolan.org/x264.git
  -RUN hg clone https://bitbucket.org/multicoreware/x265
  -RUN git clone --depth 1 git://source.ffmpeg.org/ffmpeg
  -RUN git clone https://github.com/Itseez/opencv.git
  -RUN git clone --depth 1 git://github.com/mstorsjo/fdk-aac.git
  -RUN git clone --depth 1 https://chromium.googlesource.com/webm/libvpx
  -RUN git clone --depth 1 git://git.opus-codec.org/opus.git
  -RUN git clone --depth 1 https://github.com/mulx/aacgain.git
  -RUN curl -Os http://www.tortall.net/projects/yasm/releases/yasm-${YASM_VERSION}.tar.gz
  -RUN tar xzvf yasm-${YASM_VERSION}.tar.gz
  -
  -# Build YASM
  -# =================================
  -WORKDIR /usr/local/src/yasm-${YASM_VERSION}
  -RUN ./configure
  -RUN make -j 4
  -RUN make install
  -# =================================
  -
  +RUN git clone --depth 1 https://github.com/l-smash/l-smash \
  +   && git clone --depth 1 git://git.videolan.org/x264.git \
  +   && hg clone https://bitbucket.org/multicoreware/x265 \
  +   && git clone --depth 1 git://source.ffmpeg.org/ffmpeg \
  +   && git clone https://github.com/Itseez/opencv.git \
  +   && git clone --depth 1 git://github.com/mstorsjo/fdk-aac.git \
  +   && git clone --depth 1 https://chromium.googlesource.com/webm/libvpx \
  +   && git clone --depth 1 git://git.opus-codec.org/opus.git \
  +   && git clone --depth 1 https://github.com/mulx/aacgain.git
   
   # Build L-SMASH
   # =================================
  
positive.code: RUN rm -rf /usr/local/src
  # =================================
  
  # Install pip
  # =================================
  RUN curl --silent --show-error --retry 5 https://bootstrap.pypa.io/get-pip.py | python
  
negative.code: FROM ampervue/python27
  
  # https://github.com/ampervue/docker-python27-opencv
  
  