官网：
https://gstreamer.freedesktop.org/
安装方法目录：
https://gstreamer.freedesktop.org/documentation/frequently-asked-questions/getting.html
git方法下载：
git目录：https://gitlab.freedesktop.org/gstreamer
一般需要下边前三个即可：
核心库：git close https://gitlab.freedesktop.org/gstreamer/gstreamer.git
基础库：git close https://gitlab.freedesktop.org/gstreamer/gst-plugins-base.git
稳定库：git close https://gitlab.freedesktop.org/gstreamer/gst-plugins-good.git
正在测试库：git close https://gitlab.freedesktop.org/gstreamer/gst-plugins-ugly.git
待测试库：git close https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad.git
文档说明下载：
git close https://gitlab.freedesktop.org/gstreamer/gst-docs.git
直接下载目录：
https://gstreamer.freedesktop.org/src/
编译方法：
./autogen.sh
make
makeinstall
CentOS7.3系统下安装可能依赖下边库：
wget http://ftp.gnu.org/gnu/automake/automake-1.14.tar.gz
yum install libffi-devel
yum -y install glib2-devel