gst-launch examples

1. read and display YUV
gst-launch filesrc location=movie.yuv ! videoparse framerate=20 width=640 height=480 ! xvimagesink
OR
gst-launch filesrc location=movie.yuv blocksize=460800 ! video/x-raw-yuv,format=\(fourcc\)I420,width=640,height=480,framerate=5/1 ! ffmpegcolorspace ! xvimagesink
but here framerate setting does not work.