Added libvpx to travis build

.travis.yml

@@ -19,6 +19,12 @@ before_install:
  - sudo apt-get install autoconf automake autopoint libbz2-dev libdv4-dev libfaac-dev libfaad-dev libgtk-3-dev libmjpegtools-dev libtag1-dev libasound2-dev libtool libvpx-dev libxv-dev libx11-dev libogg-dev libvorbis-dev libopencv-dev libcv-dev libhighgui-dev libv4l-dev pkg-config zlib1g-dev gtk-doc-tools yasm bison flex
  - mkdir -p /usr/lib/pkgconfig
  - export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
+ - git clone http://git.chromium.org/webm/libvpx.git
+ - cd libvpx
+ - git checkout v1.2.0
+ - ./configure --prefix=/usr/local --enable-shared --enable-vp8
+ - make
+ - sudo make install
  - git clone git://anongit.freedesktop.org/gstreamer/gstreamer
  - cd gstreamer
  - ./autogen.sh --prefix=/usr/local
@@ -54,7 +60,7 @@ script:
  - cd gst-switch
  - ./autogen.sh --prefix=/usr/local
  - make
- - make install
+ - sudo make install
  - cd python-api
  - make test