Questions and feedback

Questions & answers

Ask a question about VIIY or tell us what you found. Every message goes straight to the maker; answered questions are published below. Your email is never shown publicly. In a hurry? The VIIY Telegram group is the fastest way — answered by the maker, usually the same day.

Used only to reply to you — never published, never shared.

Reporting a bug? The log is what makes it fixable — it usually says in one line what a paragraph of description cannot. Find it next to the app in <install folder>\LOG\viiy.log; if VIIY was installed into Program Files it goes to %LOCALAPPDATA%\VIIY\LOG\viiy.log instead — paste that into the Explorer address bar. viiy.log.1 is the previous run and survives a crash; if the app died, that is the one we need. Up to 15 MB.

Starting out

I have an LED screen — now what?

No jargon here. If you just bought a screen for a building, a shop window or a stage and want your video on it, these are the answers.

I bought an LED screen for my building — how do I get my video onto it?

Your screen came with a small box — a controller (sometimes called a sending box or video processor). To a computer that box is just a second monitor: connect it with an HDMI or DVI cable, and the screen shows whatever the computer sends there. The missing piece is software that fills that "monitor" with your video and keeps it playing — that is what a media server is. Download the free VIIY demo, drop your video in, pick the screen as the output, press GO. That's the whole path.

What software do I need to play video on an LED screen?

Any video player can put a picture on a second display — until someone drags a window over it, a notification pops up, or the PC restarts and the screen shows the desktop to the whole street. Playback software exists to make the screen unattended: the video runs fullscreen on the right display, loops, starts by itself after a power cut, and your mouse and windows never appear on it. VIIY does this out of the box; the demo is free and has no time limit.

Can it just loop one video 24/7?

Yes — that is the simplest VIIY show: one cue, loop on, done. After a restart or a power cut it comes back and keeps playing by itself. When you want more later — a schedule, several clips, a second screen — it grows without starting over.

Do I need a special computer?

An ordinary Windows 11 PC with a reasonably modern graphics card is enough. What matters is not how physically big the screen is but how many pixels it has — a huge facade screen is often fewer pixels than a laptop display. Convert your video to the HAP codec (VIIY does it in one click) and even a modest PC plays it smoothly.

Why does my LED screen show my desktop — or nothing at all?

Because to Windows it is simply a monitor, and Windows extends your desktop onto it. You need software that takes over that display and outputs only your content. In VIIY you add the screen as an output: your desktop stays on your own monitor, and the LED shows the show — nothing else, ever.

For professionals

Timecode, nodes, redundancy

Does VIIY chase SMPTE timecode (LTC / MTC)?

Yes. Feed LTC into an audio input or MTC over MIDI, give each cue a timecode mark, and the show follows the clock frame-accurately — fire the desk, and video, cues and transitions land on time. Manual transport locks out while chasing, so nobody double-fires a cue during the show.

Can one show run across several machines — a video wall bigger than one PC?

Yes, with render nodes: one SYNC copies the show to every machine, and each node decodes and drives only its slice of the canvas. The master keeps transport; nodes follow. For seams that cross machines, pair it with genlock (DeckLink REF or Quadro Sync).

Is there a redundant backup — automatic failover?

Yes, and it is included in one license. The backup machine mirrors the master live; if the master drops mid-show, the backup lights its outputs and continues. A BACKUP indicator on the master answers the real question — not "is the spare online" but "is it holding the same show, file by file".

Can a lighting desk or another system control VIIY?

Yes — Art-Net and sACN (DMX), MIDI (notes, CCs and MTC), OSC, and LTC timecode. Map GO, cue fires, opacity and more to your desk; VIIY can sit in the rig as a player that lighting drives.

I already use Resolume, Watchout or Pandoras Box — is switching painful?

You don't have to switch at all to try it: run VIIY next to your current server — import the same media, chase the same timecode, map the same screens — and keep your rig as the fallback while you compare. Nothing about evaluating VIIY bets a show on it.

Answered

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