Haybale Stream
A haywire library that sends and receives video frames between applications over Syphon (macOS), Spout (Windows), NDI and OMT (Open Media Transport, cross-platform).
Ideas and backend code come from TextureSharing (Spout for Blender).
| Backend | Linux | macOS | Windows |
|---|---|---|---|
| NDI | yes | yes | yes |
| OMT | yes | yes | yes |
| Syphon | yes | ||
| Spout | yes |
Frames travel as IMAGE values from haybale-image. See docs/design.md.
Nodes
| Node | What it does |
|---|---|
| Send Frame | Publishes an IMAGE under a name on NDI, OMT, Syphon or Spout. |
| Receive Frame | Fetches the newest frame from a named source as IMAGE_RGBA; exits through Frame or No frame. |
| Receive Frame Emit | Receives on its own thread and emits a callback per frame to connected Image Event nodes (from haybale-image) (like the visiongraph camera nodes). |
Status: NDI and OMT are tested on Linux. Syphon and Spout are implemented but not yet run on macOS / Windows.
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Getting started
uv sync
uv run haywire
uv run pytest
Develop from ../haywire-repo (this package is symlinked into its barn/); see CLAUDE.md.
Share the library
Run from this repo's root (not from ../haywire-repo):
uv run --frozen haywire share --dry-run # first: report only, writes nothing
uv run --frozen haywire share --bump patch|minor|major # or an explicit X.Y.Z
This bumps every barn/* library in lockstep, regenerates docs and marketstall.toml,
then commits, tags v<version> and pushes to origin itself. It needs a clean working tree
and the default branch checked out (--frozen keeps uv.lock from being re-locked; git checkout uv.lock first if it is dirty). The project uses distribute = "pypi", so uploading the
package to PyPI is a separate step (see publish-to-pypi.md in the haywire docs).
Credits
Syphon: Tom Butterworth and Anton Marini. Spout: Lynn Jarvis. SpoutGL: Jason Lai. syphon-python: Florian Bruggisser. cyndilib: Matthew Reid. OMT: the Open Media Transport project (cyomtlib wrapper). NDI® is a registered trademark of Vizrt NDI AB; NDI runtime © Vizrt NDI AB, bundled in the cyndilib wheel under the NDI SDK license (http://ndi.link/ndisdk_license).
Martin Froehlich. Implementation for haywire
1 maintainer
Metadata
1 maintainer
Release files for haybale-stream 0.0.1
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| File | Size | Uploaded | Provenance | Actions |
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Total release size: 36.3 kB
Release files / haybale_stream-0.0.1.tar.gz
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