I have just installed my gstreamer on my ARM board. In that i used to play the video by using command
"gst-launch filesrc location=/root/yuvraj.mp4 ! mfw_mp4demuxer ! queue max-size-time=0 ! mfw_vpudecoder ! mfw_v4lsink"

it is working fine. but the screen is very small and it is in middle, How to make that full screen and the letters which is in terminal is also coming along with the video. how rectify that problem? please he lp