1. install packages
# sudo apt-get install build-essential cmake pkg-config libglib2.0-dev

2. install prebuilt gstreamer-1.12 libraries and header files
# sudo tar axf gst-1.12_{ubuntu_ver}_dev.tar.gz -C /

3. build gst-hls from source
# cd src
# mkdir build
# cd build
# cmake ..
# make


