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Flexible Grid Video Wall

A video/image player with fine grained layout options

This package allows you to play FullHD content across any number of screens. You can precisely control the screen layout of each screen and even adjust for latency differences between screens. Additionally you can also use this package to place content on only a single screen. Some LED walls require this as they show only a small area cropped from a FullHD output.

Multiple devices running the same setup based on this package will be in sync, so you can also use this as a synced video/image player for fullscreen content.

Setting the content area

The first thing you have to decide the size of your content in pixels. If you have 16:9 screens like this:

Example setup using 3 screens

You content should be in 16:27 (where 27 = 9x3) aspect ratio. The example size of your content might therefore be 960x1620. Set this as your content area width and height.

If you have content of various sizes, you can also set the content area width/height to some imaginary value and activate "aspect adjust content". This will then scale your content into the content area size while preserving the aspect ratio.

Setting up screens

First, add the screen you want to use to your account. Then assign them to your video wall setup.

Finally configure each of your screens by adding them to the setup configuration. Click on "Add Screen" for that.

For each screen you can specify which area of the content area specified above is covered by each of your screens.

In the example above, the top screen would require the following configuration values:

x = 0, y = 0, width = 960, height = 540

These values instruct the video wall to show the top third of your content on the top screen. Proceed to set the other screens accordingly.

You can freely choose x, y, width and height values. As such you can have overlapping screens or compensate for your screen's bezel.

Set a playlist

Click on the node labeled Playlist Configuratio on the left side of the configuration screen.

You can add images and video assets to your playlist. If you make changes to a playlist and click on Save, your devices will go black for a short moment until they are all back in sync. Therefore it is recommended to make all changes to a playlist and save only once.

Need help?

Right now there's no visual way to set and configure your screens. Instead you have to manually enter coordinates.

Usually that's not a problem and only has to be done once. If you need help, feel free to contact support.

Release history

Version 'beta1'

This is the first public release. While it works, there might be problems. If you find anything, please open an issue on github.

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Source code for this package

You can view (and modify) the source code for this package on https://github.com/info-beamer/package-flex-wall