Gstreamer 0.10 Recording file playing in fast mode

[dedsx]

 gst-launch  v4l2src   ! video/x-raw-yuv,width=1280,height=720 ,framerate=60/2 ! tee name="splitter" ! queue ! xvimagesink  splitter. ! queue ! clockoverlay ! jpegenc  ! avimux ! filesink location=/home/demo.avi



Thanks in Advance