aps@ubuntu:~/gsoc/dvsource-v4l2-other$ ./dvsource-v4l2-other -s ntsc --fake snow
Unable to find required gstreamer module dvswitchsink
Please try 'sudo apt-get install gstreamer0.10-dvswitch'
Traceback (most recent call last):
  File "./dvsource-v4l2-other", line 340, in <module>
    main()
  File "./dvsource-v4l2-other", line 284, in main
    check_gst_module("dvswitchsink", "gstreamer0.10-dvswitch")
  File "./dvsource-v4l2-other", line 163, in check_gst_module
    subprocess.check_call(["gst-inspect-0.10", name], stdout=subprocess.DEVNULL)
  File "/usr/lib/python2.7/subprocess.py", line 540, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['gst-inspect-0.10', 'dvswitchsink']' returned non-zero exit status 255
aps@ubuntu:~/gsoc/dvsource-v4l2-other$

#### gstreamer0.10-dvswitch is installed, but still this is unable to find required module "dvswitchsink" #######