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Curator Tools

Generate gets you a complete edit in one pass. Curator is how you fix the three or four moments that aren’t right, without throwing away the twenty that are.

Every tool here works on the timeline after Generate Timeline has run, and none of them require a re-generate. The change applies immediately and the rest of the edit is untouched.

Right-click any clip block on the timeline:

ToolWhat it does
▶ Play ClipJumps the preview player to that clip
🔄 Swap ClipOpens a popover of visually similar alternatives, with thumbnails. Pick one and it takes that slot, locked
🎲 Re-roll This ClipSkips the picking and drops in the best alternative automatically
⬅ Slip −1 Frame / Slip +1 Frame ➡Nudges which part of the source clip is used, one frame at a time, without moving the cut
🔒 Lock Clip (Pin)Protects the clip from being replaced by a re-roll
🗑 Discard ClipPuts the closest other clip in its place, with the same timing, and keeps the discarded one out of this project from then on

Both replace one clip. The difference is who chooses:

  • Swap shows you the candidates and lets you pick. Use it when you have an opinion about what should be there.
  • Re-roll picks for you. Use it when you just know the current clip is wrong.

A clip you choose yourself (swapped in, placed from the bin, or with its in-point set by hand) is locked straight away, so 🔄 RE-ROLL and generating the timeline again keep it. Unlock it if you want it re-rolled. A clip dropped in by 🎲 Re-roll This Clip stays unlocked.

Slip is the tool people miss. When a clip is right but its timing inside the source is slightly off - you catch the end of a movement instead of the whole thing - slipping shifts the in and out points together while the clip keeps its exact position and length on the timeline. Beat sync is preserved, because the cut hasn’t moved.

In the timeline header:

ControlWhat it does
🔄 RE-ROLLRe-picks every clip that isn’t locked. A confirmation tells you how many will change and how many locked clips are being kept
🔒 Lock All / 🔓 Unlock AllLock or unlock every clip at once
Undo / RedoStep back through your timeline edits (swap, discard, place, re-roll, slip, lock, fill) and forward again. Ctrl+Z and Ctrl+Y do the same
▶ Preview editMakes a quick draft of the timeline as it is now, with your swaps and edits, and plays it. Nothing is picked again
📦 Premiere / ResolveExports the timeline, with the song, for Premiere Pro, DaVinci Resolve or Kdenlive (Studio). See Finish the edit in another editor
📂 LOAD DJ SESSIONShows a saved DJ session on the timeline, with 🎬 Render this session to make it a video (Studio)
🚫 BLOCKEDReview and restore clips you’ve blocked: ones blocked in the library (available on every license) and ones discarded from this project

Esc closes any dialog, the same as its ×.

📦 Premiere / Resolve saves the timeline in your project’s folder, and opens the folder. It saves two files:

EditorFileHow to open it
Premiere Proproject.xmlFile > Import, choose project.xml. It opens as a new sequence
DaVinci Resolveproject.xmlFile > Import > Timeline, choose project.xml
Kdenlive 25.04 or later, and other editors that open OpenTimelineIOproject.otioKdenlive: in the File menu, OpenTimelineIO import

The timeline has:

  • Your clips on the first video track, cut exactly where Onset Engine cuts them. Each clip links to its original video, so you can trim it longer or shorter in your editor.
  • The song on the first audio track, from the same point in the song as your video. A playlist or rounds come in as one mixed track.
  • Each clip’s own sound on the second audio track (in project.xml), switched off unless Mix Original Audio is on, as in your video. Turn clips on where you want their sound. project.otio has the clips and the song only.
  • Markers where each round and break starts, when the edit has rounds.

Effects, transitions, the title card and the intro and outro stay in Onset Engine: render the video for those.

Editors find the videos where they are on your computer. If you move or rename them after exporting, your editor shows them as offline, and you can point it to the new location.

This is the loop that makes Curator worth using:

  1. Generate a timeline.
  2. Watch it through, and lock every clip that works.
  3. Hit 🔄 RE-ROLL. Only the unlocked slots change.
  4. Repeat.

Each pass keeps everything you’ve approved and re-rolls the rest, so the edit converges instead of shuffling. It’s much faster than regenerating and hoping for a better overall draw - and much faster than swapping every weak clip by hand.