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DJI D-Log M stutters and looks grey? Here is the fix

D-Log M is 10-bit HEVC, so it decodes hard and looks flat until you add a LUT. Here is which LUT to use and how to edit it smoothly.

·7 min read
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Why D-Log M looks washed out and flat

You open a DJI clip shot in D-Log M and the picture looks grey, low in contrast, almost faded. Nothing is broken. D-Log M is a log profile, and a log profile keeps a flat image on purpose so it can hold the brightest sky and the darkest shadow in the same file. That wide latitude is what you grade later, but it means the raw clip is not meant to be watched as is. You bring it back to a normal look with a LUT.

Why the footage also stutters

There is a second problem, and it is separate from the look. On the Mini 4 Pro, the Air 3 and the Mavic 3, D-Log M is recorded only as 10-bit 4:2:0 in H.265, also called HEVC. HEVC leans on Long GOP compression, where most frames are rebuilt from their neighbors rather than stored whole, so the decoder does real work for every frame you scrub past. When your machine cannot handle that in hardware, the editor falls back to the CPU and playback drops frames.

This is the same codec family as Sony FX3 footage and iPhone ProRes Log clips. DJI records 4:2:0 rather than the heavier 4:2:2 of the FX3, so it is a little lighter, but it is still 10-bit HEVC, and scrubbing is where you feel it.

Get the official DJI LUT

DJI publishes a free D-Log M to Rec.709 LUT for each drone that records the profile, on its official LUT page. Download the .cube file that matches your exact model, since the Mini 4 Pro, the Air 3 and the Mavic 3 each have their own. It is the fastest way to a correct, neutral starting point, because it is the conversion DJI designed for that sensor.

Apply the LUT in Premiere Pro

  1. Select your D-Log M clips and open the Lumetri Color panel.
  2. Under Basic Correction, load the DJI .cube file as the Input LUT, or add it as a Look under Creative.
  3. Set exposure and white balance first, then let the LUT map the result to Rec.709.

Apply the LUT in DaVinci Resolve

  1. Copy the DJI .cube file into your Resolve LUT folder so it shows up in the LUT list.
  2. On the Color page, right-click the clip and pick the DJI D-Log M to Rec.709 LUT, or apply it on a dedicated node.
  3. Grade after the LUT, not before, so your adjustments sit on a normal image.
Treat the LUT as a starting point, not the finish. Set exposure before it, then grade on top. Baking big corrections underneath the LUT fights the conversion and makes skin tones hard to control.

Fix the stutter with proxies

A LUT fixes the look, never the stutter. For smooth playback you edit on proxies, light stand-ins that your machine plays without strain while the editor keeps the link to the full D-Log M original for the grade and the export. H.264 at 720p is a safe default for drone footage in both Premiere and Resolve. The one cost of the classic route is that your computer encodes every proxy first, which can tie up the machine for a long time before you start.

Where Sanbila fits

Sanbila is desktop software with cloud storage built for editing. Its proxies are generated on the Sanbila cloud rather than on your machine, so your CPU stays free while the light versions are prepared. Its Premiere Pro panel, validated by Adobe, imports your originals and attaches a proxy to each clip with Premiere native proxy feature, and at export you leave Use Proxies unchecked so Premiere renders from the full resolution D-Log M files. If you grade in DaVinci Resolve instead, Smart Relink switches the clips used in your timeline back to the originals.

How the Adobe validated Sanbila panel attaches proxies and exports from your originals.

See the Premiere Pro panel

FAQ

Which DJI drones record D-Log M?

The Mini 4 Pro, the Air 3 and Air 3S, and the Mavic 3 series record D-Log M, and DJI publishes an official D-Log M to Rec.709 LUT for each of them.

Is D-Log M H.264 or H.265?

D-Log M is 10-bit and records only in H.265 (HEVC) on these drones. H.264 is limited to standard 8-bit color, so any D-Log M clip you have is HEVC.

Do I have to use the DJI LUT?

No, you can grade from scratch, but the official LUT is the quickest accurate path to Rec.709 and matches the look DJI designed for the sensor. Most editors start there and grade on top.

Will a LUT stop the stuttering?

No. The LUT only changes how the image looks. Stuttering is a decode problem, solved by hardware decoding the HEVC or, more reliably, by editing on proxies.

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Written by Lassana Toure, Founder of Sanbila.

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