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Professional LUT workflow for LogC3/LogC4

Completed

I would like GreenLight Dash to support a professional, color-managed LUT workflow for Log footage.

Current need:

  • import 10-bit Log footage;
  • load user-supplied .cube LUT files;
  • separate input transform, creative look, and output transform;
  • support per-clip, adjustment-layer, and project-level LUT application;
  • prevent accidental double conversion;
  • show a clear before/after preview;
  • save color settings inside the project;
  • warn when an incompatible LUT is applied.

Important:

  • do not bundle proprietary LUT files;
  • users should be able to import official LUTs separately;
  • the workflow should be camera-agnostic;
  • support camera-specific input transforms or profiles when a manufacturer provides them.

This is needed for a silent-first multilingual video workflow, where footage is shot once and then localized later with different voiceovers.

Suggested implementation:

  • input color space selector;
  • LUT import in .cube format;
  • technical transform + creative look + output transform;
  • waveform/histogram/vectorscope;
  • project-level color management;
  • export preview matching final render.

https://www.arri.com/en/learn-help/learn-help-camera-system/tools/lut-generator
https://www.arri.com/en/learn-help/learn-help-camera-system/technical-downloads
https://www.arri.com/resource/blob/294602/1159ce14a38f570431b7eb3cf30947eb/2022-09-arri-lut-naming-convention-logc4-and-logc3-data.pdf

2
rass.tolybekoff

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Responses

  1. rass.tolybekoff Avatar
    rass.tolybekoff
    Member
    0

    Why I am requesting this feature:

    I am building a silent-first multilingual video workflow for real-estate, travel, exhibitions, manufacturing, markets and street content.

    The footage will be recorded once and then reused across multiple language versions with different voiceovers, subtitles, graphics and publishing formats. Because the same visual master may be used for English, German, Turkish, and other language versions, the color correction needs to be completed once at the master-project level.

    A professional Log workflow would be useful in several real-world situations:

    Real-estate interiors with bright windows and dark rooms.

    Outdoor locations with strong sunlight and deep shadows.

    Night streets and markets.

    Exhibition halls with mixed LED lighting.

    Factories and production facilities with difficult artificial lighting.

    Travel videos recorded in different countries and weather conditions.

    Mobile footage recorded on future smartphones that support Log or wide-gamut recording.

    A proper color-managed workflow would help preserve highlight and shadow information during post-production, provide more control over exposure and white balance, and maintain consistent colors across footage recorded in different locations.

    The desired workflow is:

    Camera Log footage→ Input Transform→ Exposure and white-balance correction→ Creative Look→ Output Transform→ Rec.709 or HDR master→ Multilingual voiceover and subtitles→ Final export

    This is not only about adding a cinematic filter. The important part is separating the technical color conversion from the creative look and the final output conversion.

    The feature could benefit many other GreenLight Dash users, including:

    mobile filmmakers;

    travel creators;

    real-estate videographers;

    product and manufacturing reviewers;

    event and exhibition creators;

    documentary filmmakers;

    agencies producing multilingual content;

    creators working with different cameras and smartphones;

    users who need consistent color across multiple projects and locations.

    The workflow should remain camera-agnostic. It should not require GreenLight Dash to bundle proprietary LUT files. Users should be able to import official or manufacturer-provided LUTs and camera-specific input transforms when available.

    The most important goal is to provide predictable color processing, avoid accidental double conversion, preserve quality during export, and make the final rendered video match the preview inside the editor.

    This would make GreenLight Dash more useful not only as a video editor, but also as a reliable color-managed production tool for modern mobile and camera-based workflows.

  2. 0

    This feature is already available. You need to add Overlay Layer. Select items on timeline, click on “Add channel” – find there overlay channel option

    Overlay supports LUTs

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