Tractus Tools for NDI
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  • Welcome to Multiview for NDI
  • Getting Started
    • Quickstart - Windows
    • Quickstart - Linux
    • Activating Multiview for NDI
    • Configuring Multiview for NDI using the Web UI
    • Setting Output Resolution & Frame Rate
    • Caption/UMD and Expressions
  • Advanced Options
    • Command Line Launch Options
  • Configuration File Locations
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  • "--blitmode": Scaling mode override
  • "--eemsec": Caption evaluation time override
  1. Advanced Options

Command Line Launch Options

Multiview for NDI supports the following command line options.

These are subject to change. We'll do our best to indicate if/when a command line parameter will be deprecated or removed.

"--blitmode": Scaling mode override

Sets the upscale/downscale mode in the engine. By default, the engine uses nearest neighbor which will result in blocky upscaled images.

Accepted options:

  • --blitmode=fastest: The default, uses nearest neighbor.

  • --blitmode=linearlut: Use linear interpolation. Note this is much slower than nearest neighbor.

"--eemsec": Caption evaluation time override

Sets the wait time (in milliseconds) for caption expression evaluation. Defaults to 250 milliseconds (4 updates/second).

Since an update to an expression can cause captions to be re-rendered, we suggest keeping this number fairly high. 250 milliseconds tends to strike a good balance between reactivity and performance.

In the example below, expressions for captions will be re-evaluated every 500 milliseconds.

./Tractus.Multiview.Ndi.SWEngine --eemsec=500

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Last updated 22 days ago