[MPlayer-users] cropping 4:3 left and right to form 16:9

[Andy Furniss]

Anthony Griffiths wrote:
> I'm running fedora 26 with mplayer-1.3.0-9.fc26.i686 on an acer
> netbook. The netbook has a 16:9 screen set at res 1024 x 600 but the
> inbuilt webcam in the lid is a 4:3 cam, I think its native res is
> 640x480. I can use mplayer to display the cam at full screen but
> there's a black stripe down the left and right of the screen. I want
> to zoom/inflate the cam image so it crops/cuts away the top and bottom
> and fills the full width of the screen without stretching the image
> itself and also display at full screen. I've been trawling google and
> trying lots of different commands but I can't work out how to do this.
> The basic command I started from was this:
> $ mplayer tv:// -tv driver=v4l2:device=/dev/video1:fps=20:outfmt=yuy2 -fs
> I simply want to inflate the cam image so it loses the left and right
> black stripes. Thanks for any help.

If mplayer is is in full screen mode then pressing e and w will zoom 
in/out till black bars hit the edge.