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Your whole DJI session now counts, every chapter

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· 3 min read

Yes. Race Ninja now reads telemetry from long DJI Action recordings that split into chapters, so the whole session comes through instead of just the first chapter. Upload the chaptered files together in the Race Ninja desktop app and it links them automatically, keeps the GPS from every chapter, and times every lap across the join. It reads the GPS already recorded inside your DJI footage, so you don't need a separate lap logger or a second camera. Download the desktop app for Windows to upload GoPro and DJI footage and get telemetry from every lap.

Race Ninja desktop uploader showing two large DJI recording files grouped as Chapter 1 and Chapter 2 and linked together automatically before upload

Big DJI runs used to lose their tail. Record a long stint on a DJI Action camera and it quietly splits the footage into chapters, so one session lands on your card as DJI_..._0001, then _0002, sometimes a third file after that. Upload the lot on our Windows app and only the first chapter kept its GPS. Everything past it came through as plain video with the telemetry gone, and your laps just stopped halfway through the session.

Very annoying! That's now fixed.

Upload a chaptered DJI session now and the whole thing comes through. Every chapter keeps its GPS, the laps carry on past the join, and chapter two starts exactly where chapter one left off. A forty minute stint that DJI cut into two 16GB files is one continuous session again. Every lap timed. Nothing dropped at the seam.

The uploader spots the chapters for you

The desktop app got a proper going-over here too. Drop your footage in and it reads the DJI file names, works out which clips belong to the same recording and links them into a group on their own. You'll see it plainly: a Group A · Ch 1 and Ch 2 tag down the side, an orange line tying them together, and a counter up top telling you how many chapter groups it found.

Grouped something wrong, or want the clips apart? Hit Unlink on one, or Ungroup All and start over. No dragging files into the right order by hand, no guessing which half is which. The app does the sorting and you just press upload.

Straight off the camera you already own

Here's the part worth saying out loud. This reads the GPS that's already sitting inside your DJI file. No separate lap timer bolted to the roll bar, and no second camera pointed at a dash to catch the numbers. Plenty of setups make you buy a dedicated logger before a long session gives you any telemetry at all. You don't. The DJI in your hand already recorded it, and now the long recordings come through whole the way the short ones always have.

Same story on a GoPro. Every lap is verified off your own footage and its satellites, so a time on the board is a lap you actually drove, not one you typed in.

Big thanks to Kayo and Niik on this one. They pushed for it, then stuck with us through the testing to get it over the line. It had been sitting on their wish list for a while.

Get it in the desktop app

All of this lives in the Race Ninja desktop app, the quickest way to pull GoPro and DJI telemetry off your camera and onto your laps. It reads the GPS straight from the footage, compresses before upload so a big session doesn't tie up your evening, and now takes chaptered DJI recordings end to end. It's a free download for Windows.

Got a long session on a card right now? Send it up much faster with our Windows app and watch the whole thing land, chapters and all. Not sure your camera logs GPS? Check the camera list first so you don't waste a run.

Frequently Asked Questions

Why does my long DJI recording upload as separate files?
DJI Action cameras split a long recording into chapters once the file gets big, so a single stint lands as DJI_..._0001, then _0002 and so on. They're one session, just cut into parts by the camera. Race Ninja now reads all of them together instead of stopping at the first one.
Can I get lap times and telemetry from a full DJI Action session?
Yes. Upload the chaptered files together in the desktop app and it keeps the GPS from every chapter, so your laps carry on past the point where one file ends and the next begins. Nothing gets dropped at the join, and the times run continuously across the whole session.
Do I need a separate lap logger to get telemetry from DJI footage?
No. The GPS is already recorded inside your DJI file. Race Ninja reads it straight from the footage, so there's no data logger to buy and nothing to wire into the kart.
How do I upload DJI chapters so they stay together?
Drop them into the desktop uploader and it detects the chapters by their file names and links them into a group for you. You can Unlink a single clip or Ungroup All if you want to change it, then hit upload.
Does this work with GoPro footage as well?
Yes. GoPro footage has always come through as a full session. This fix brings long DJI recordings in line with it, so both cameras give you every lap.
Where can I download the Race Ninja desktop app?
You can get the Race Ninja desktop app from the downloads page. It's the quickest way to pull GoPro and DJI telemetry off your camera: it reads the GPS from your footage, compresses before upload, and handles chaptered DJI recordings in full. It's a free download for Windows.
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