Install gstreamer

1. Install gstreamer sdk
   Visit website: http://docs.gstreamer.com/display/GstSDK/Installing+on+Linux
2. Install plugin for gstreamer 1.0
   sudo apt-get install libgstreamer1.0-dev
   sudo apt-get install gstreamer1.0*
3. After that, check the environment by using the /opt/gstreamer-sdk/share/gst-sdk/... to check.
4. Besides that, copy the gst-sdk-env to init environment for projects gstreamer 1.0
5. You can download the source modules such as: gst-plugin-good, bad, base, or gstreamer version to use the tests of them.
   After set the environment, you can use gst-sdk-env in tests of (5) to use.
   It's so easy, only need use command 'gcc [name file c] -o [name output] pkg-config --cflags --libs gstreamer1.0'