aiden/video-shader-toys
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NDI discovery
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Aiden
2026-05-30 20:03:01 +10:00
parent 8ffc011ca0
commit 2b995ac058
21 changed files with 493 additions and 56 deletions
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README.md
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@@ -212,9 +212,10 @@ Current native test coverage includes:
"device": "default",
"resolution": "1080p",
"frameRate": "59.94",
"pixelFormat": "auto",
"keying": {
"external": true,
"alphaRequired": false
"alphaRequired": true
}
},
"autoReload": true,
@@ -222,11 +223,11 @@ Current native test coverage includes:
}
```
`input.backend` and `output.backend` select the concrete video I/O backend. Today the app supports `decklink` and `none`; future backends such as NDI, Spout, or file playback can be added behind the same factory boundary. `device` is currently accepted as a backend-neutral selector placeholder; DeckLink still chooses the first compatible device.
`input.backend` and `output.backend` select the concrete video I/O backend. Today the app supports `decklink`, `ndi`, and `none`; future backends such as Spout or file playback can be added behind the same factory boundary. `device` is a backend-neutral selector placeholder: DeckLink still chooses the first compatible device, NDI input uses it as the source selector, and NDI output uses it as the sender name.
`input.resolution`/`input.frameRate` select the video capture mode. `output.resolution`/`output.frameRate` select the playout mode through a backend-neutral mode description; the current DeckLink backend maps that mode to a `BMDDisplayMode` at the DeckLink boundary. Supported modes still depend on the installed card and driver. The shader stack runs at input resolution and the final rendered frame is scaled once into the configured output mode. Common examples include `720p`/`50`, `720p`/`59.94`, `1080i`/`50`, `1080i`/`59.94`, `1080p`/`25`, `1080p`/`50`, `1080p`/`59.94`, and `2160p`/`59.94`.
The checked-in config uses the nested `input` and `output` objects as the supported shape.
The checked-in config uses the nested `input` and `output` objects as the supported shape. When `input.backend` is `ndi`, the host-config editor uses NDI discovery to offer source-name suggestions in the `input.device` field while still allowing manual entry. The control UI presents `output.keying.external` and `output.keying.alphaRequired` as one **Output alpha** control; DeckLink maps that to external keying, while NDI only uses it to request an alpha-carrying system-frame format.
The control UI is available at: