Build Cloud

Digital Signage

The estate is whatever was purchased over the last few years: a retail stick, a Linux terminal, a custom panel. They have to show the same scheduled content, including through a network that drops in the middle of a trading day.

Someone who is not an engineer has to run it. A group with forty sites sees those sites from one login, on hardware nobody is about to replace.

  • One player, every target
  • Playback that survives the network
  • A studio the marketers can use
Digital Signage interface screenshot

One player, every target

Android, Linux and desktop share a codebase. A player per platform is a player per bug, and this estate has too many platforms for that.

One buildAndroid, Linux and desktop

Playback that survives the network

Content is scheduled centrally and pulled with enough lookahead to keep playing when the link drops. The screen does not go blank because a site lost its connection at noon.

Lookaheadplayback through a dropped link

A studio the marketers can use

Images, video, PDF, a live dashboard, a web page, arranged by drag and drop. If operations has to publish every change, the system gets abandoned.

40sites from one login

The build

The constraint is the device

These screens run for years. Designing for a current flagship and hoping the rest catch up does not match how this hardware is bought. The player has to stay quiet on a low-powered stick and steady on a terminal that is on all day.

Digital Signage, The constraint is the device

Offline is a normal afternoon

A drop during trading hours is Tuesday, not an incident. Lookahead is the difference between a schedule and a stream. The screen keeps what it already has and catches up when the network comes back.

Digital Signage, Offline is a normal afternoon

Forty sites, one place to look

The management side is multi-tenant. A group schedules once and does not keep a build per location. That is ordinary cloud work, and it is what makes the player something you can roll out rather than demonstrate.

Digital Signage, Forty sites, one place to look

The publisher is not an engineer

The studio exists so a marketing team can change what is on the wall. Real content is not a folder of videos. A system that only an operations engineer can feed does not stay fed.

Digital Signage, The publisher is not an engineer

How we worked

What a device fleet asks of us

Efficiency as a feature

How little the player needs is not a tuning pass at the end. It is why one codebase can sit on a stick and on a terminal.

One defect, fixed once

Forking the player per platform feels faster until the same bug lands in two forks and not the third.

A portal that finishes the job

If publishing still needs us, the product is not finished. The people who change the screens have to be able to change the screens.

Technology

What it is built on

  • C#
  • SQL Server
  • Flutter
  • Java
  • Go Lang
  • Kotlin
  • Angular
  • WPF
  • Protobuf

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