Input & Output
Spout In
Receives a Spout sender as a texture on Windows.
The Spout In node reads a local Spout sender. Windows desktop only.
- Spout Sender name
- Fit Mode and Wrap Mode
- Found in the node graph under I/O → I/O
Inputs and outputs

| Port | Type | Purpose |
|---|---|---|
| Composite Input | Texture | Composited under the source with Composite Mode and Composite Mix, which appear once wired. |
| Output | Texture | The received frame. |
Parameters
Opacity, Blend Mode, and Alpha are the standard operator header.
- Spout Sender — the sender name.
- Fit Mode — Fit Outside (fill frame, crop) (default), Fill (stretch), Fit Horizontal, Fit Vertical, Fit Best (letterbox), Native (1:1 pixels).
- Wrap Mode — Transparent (no wrap) (default), Repeat (tile), Mirror (tile), Hold (Extend Edge): what fills the area added by the fit.
Every slider has a per-parameter animation bar, so it can be animated, audio driven, or MIDI mapped.
Examples
Effect chain for another app — Spout In, effects, Spout out on the Output node.
Troubleshooting
Nothing arrives — the sender name is wrong or the sender is not running.