/*Please see this log captured on my system. I have added some comments too, for your convenience.
  Please execute these steps from your DaVinci prompt (hyperterminal or tera term)*/

/*Check the existing environment before exporting GST_PLUGIN_PATH*/

[root@OMAP3EVM /]# env | grep PATH
LD_LIBRARY_PATH=/gstreamer/lib:/lib:/usr/lib:/usr/local/lib
PATH=/gstreamer/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/usr/local/libexec
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]# 

/*Run gst-inspect before exporting GST_PLUGIN_PATH*/

[root@OMAP3EVM /]# gst-inspect
staticelements:  bin: Generic bin
staticelements:  pipeline: Pipeline object

Total count: 1 plugin, 2 features
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]# 

/*Now, export GST_PLUGIN_PATH*/

[root@OMAP3EVM /]# export GST_PLUGIN_PATH=/gstreamer/lib/gstreamer-0.10
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]# 

/*Check if it's updated in the s/m environment*/

[root@OMAP3EVM /]# env | grep PATH
LD_LIBRARY_PATH=/gstreamer/lib:/lib:/usr/lib:/usr/local/lib
PATH=/gstreamer/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/usr/local/libexec
GST_PLUGIN_PATH=/gstreamer/lib/gstreamer-0.10
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]#
[root@OMAP3EVM /]#

/*Make sure the libraries are present under the GST_PLUGIN_PATH*/

[root@OMAP3EVM /]# ls -l $GST_PLUGIN_PATH | grep coreelements
-rw-r--r--    1 root     root       800560 Dec 18  2008 libgstcoreelements.a
-rwxr-xr-x    1 root     root         1537 Dec 18  2008 libgstcoreelements.la
-rwxr-xr-x    1 root     root       522043 Dec 18  2008 libgstcoreelements.so
[root@OMAP3EVM /]#
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]# 
[root@OMAP3EVM /]# 

/*Now, gst-inspect should find the plugins*/

[root@OMAP3EVM /]# gst-inspect | grep coreelements
coreelements:  multiqueue: MultiQueue
coreelements:  typefind: TypeFind
coreelements:  tee: Tee pipe fitting
coreelements:  filesink: File Sink
coreelements:  queue: Queue
coreelements:  identity: Identity
coreelements:  filesrc: File Source
coreelements:  fdsink: Filedescriptor Sink
coreelements:  fdsrc: Filedescriptor Source
coreelements:  fakesink: Fake Sink
coreelements:  fakesrc: Fake Source
coreelements:  capsfilter: CapsFilter
[root@OMAP3EVM /]#