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No, it's demosaiced[1]. Not raw data. [1] https://en.wikipedia.org/wiki/Demosaicing https://en.wikipedia.org/wiki/Demosaicing

• WithinReason 3y ago
  So then why not just use the raw data? Demosaicing triples the number of pixels, so expands the data by 3x.
  • tuukkah 3y ago
    (Conceptually, the number of pixels remains the same but the result of demosaicing is RGB pixels so what triples is the number of channels.) I hear it's good to perform demosaicing, denoising and super-resolution in one step, so perhaps that's what's happening here? EDIT: on the video (section "Log is Half-Baked"), they also mention the processing includes tone mapping, color adjustment and lens distortion correction.
  • mikae1 3y ago
    A lossy compressed intra-frame codec such as ProRes 422 HQ still gives a lower bitrate.