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UI.md

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The UI has two parts (currently).
Both can be displayed by toggling with the I key.

State Window

State window

Controls

The following controls are available in window:

  • Output selector: Change output by selecting from the list.
  • Zoom factor: Slider/input to adjust the zoom.
  • Translate: Adjust the image translation.
    • Can only be used when the image does not already fit in the window.

Frame props

The frame props default to the converted RGB24 clip for display.
Original frame props require an extra frame request, so they can be obtained on demand.

  • Supported frame props:
    • Frame type, _PictType.
    • Color range, _ColorRange.
    • Chroma location (only in original props), _ChromaLocation.
    • Primaries (_Primaries), Matrix (_Matrix), Transfer (_Transfer).
    • If the frame is a scene cut, _SceneChangePrev.
    • HDR10/ST2086 metadata, from ffms2.
      • Can be clicked to copy the corresponding x265 CLI settings.
    • If the frame carries Dolby Vision RPU metadata, from ffms2.
    • CAMBI score, from akarin.Cambi.

Preferences

Preferences

  • Resizer: The VapourSynth resizer used to convert to RGB24.
  • Dithering: whether to add additionnal dithering when converting.
  • Upscale to the window: can be used to upscale the frame to fit in the window.
    • Useful when the clip is lower resolution than the window.
  • Fit image to the window: Downscale the image to fit within the window width.
  • Zoom multiplier: Multiplies the zoom factor by this value instead of incrementing by 1.0.
  • Scroll multiplier: Mutliplies the pixels translated on wheel scroll.
    • Can be used to translate faster or slower.
  • Canvas margin: Padding to add around the image.
  • Transforms: Transformations applied to the image previewed:
    • ICC Profile: ICC profile to use for color correction of the rendered image.

 

Bottom Panel

Bottom panel

Provides a slider to seek through frames, as well as an input box to enter a specific frame.
Various informations about the clip.

 

Error/message window

Error window

Provides info about the different messages from VapourSynth, and fatal errors.
Cleared on reload or window close.