hi,Gireesh: I think I make a mistake . The LD_LIBRARY_PATH should be /home/opt/system_files_gstreamer:/home/opt/gstreamer/lib SO, the old problem come. root at EVM:/home/opt/gstreamer/lib# gst-inspect staticelements: bin: Generic bin staticelements: pipeline: Pipeline object Total count: 1 plugin, 2 features 2009/1/7 zhenfeng ren <1985renzf at gmail.com>: > hi,Gireesh: > I set > LD_LIBRARY_PATH=/usr/lib:/home/opt/system_files_gstreamer:/home/opt/gstreamer/lib > > Thanks, > Zhenfeng Ren > -- Thanks, Zhenfeng Ren