我在ubuntu 14.04上安装了gstreamer-1.0。 当我尝试运行gst-launch-1.0时，我得到： 符号查找错误：gst-launch-1.0：未定义的符号：_gst_date_time_type
I know there are suggestions to run ldconfig but already did that and it di not solved the issue.
what else could I try? Re-installing the gtreamer?
谢谢， 三好田