anchor.diff: -FROM ubuntu:trusty
  +FROM ampervue/python27
   
   # https://github.com/ampervue/docker-python27-opencv
   
  
positive.code: #   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
  # =================================
  
  
  # Build L-SMASH
  # =================================
  
negative.code: RUN rm -rf /usr/local/src
  # =================================
  
  