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

[Anthony Griffiths]

On Thu, Sep 28, 2017 at 10:10 AM, Andy Furniss <adf.lists at gmail.com> wrote:
> 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.

thanks very much andy, that worked. But is there a way of inflating
the image to the correct dimensions using a command?