1. Home
  2. Raspberry Pi Group
  3. Fitting the picture to a TV screen.

Fitting the picture to a TV screen.

I'm just trying out my new B+ with an old HD Ready TV (720p I think) and having problems fitting the picture to the available space.

If I turn overscan off then the picture edges disappear - and the task bar is just below the screen.

If I turn overscan on then I can get the width O.K. with very small values of overscan_left and overscan_right but I have a large gap top and bottom.

Is there any easy way to stretch the picture vertically?

[overscan_top and overscan_bottom are currently unset.]

Cheers

Dave R

--
Windows 8.1 on PCSpecialist box
Reply to
David
Loading thread data ...

with my 1080p Samsung a perfect picture was obtained by setting overscan off on the pi & the TV to picture size to fit.

--
These PRESERVES should be FORCE-FED to PENTAGON OFFICIALS!!
Reply to
alister

I would have to set mine up to find out how I did this, but, have you tried setting them yet? Try +5 to start, then go larger, and if they go the wrong way, try a minus figure.

Bill Garber - I love my C1 D0 D0 CC C5 A0 C9 C9 C7 D3

formatting link

Reply to
Bill Garber

AFAICR it's adjusted in one [of the few] text-files in /boot. The "# " makes it clear.

grep /boot/* might take you there.

Reply to
Unknown

It is adjusted in /boot/config.txt - which is where I've been working with the 'overscan' settings.

Cheers

Dave R

--
Windows 8.1 on PCSpecialist box
Reply to
David

Well done that person!

For some reason I had never considered that you could use a negative figure for overscan.

Much editing and rebooting later I seem to have a fit to the screen.

Wouldn't it be nice if you could re-read config.txt and apply the changes without rebooting!

Cheers

Dave R

--
Windows 8.1 on PCSpecialist box
Reply to
David

The tvservice command can switch video output and modes. The fbset command will change the framebuffer to match, and the code here:

formatting link
can check and change the overscan settings on the fly.

Reply to
Dom

Thanks - will give that a look.

--
Windows 8.1 on PCSpecialist box
Reply to
David

ElectronDepot website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.