42 lines
1.9 KiB
Markdown
42 lines
1.9 KiB
Markdown
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# Program Control Surface
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Mimir now exposes a compact Fensalir-hosted program panel for final presentation
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intent.
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Authority map:
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- Owner: `MimirPresentationControlState` owns operator intent for program video,
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audio mix, and global color preset.
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- Inputs: runtime rolling buffers, aligned audio lanes, LUT preset selection,
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feed visibility, feed opacity, stem mute/solo, and stem gain.
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- Outputs: filtered video surface intents, Faust/native DSP gain controls,
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sample gain applied before Fensalir streaming DSP, and a postprocess control
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snapshot.
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- Derived state: feed lists are derived from active rolling buffers. LUT preset
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exposure and bloom are currently mapped into `GraphicsSettings`.
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- Forbidden writers: OBS, bridge endpoints, debug readouts, and network arrival
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timestamps must not choose program composition.
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- Shared paths: local cameras, Raven display capture, and future network video
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feeds all enter rolling buffers first, then the presentation state decides
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whether they contribute to production surface intent.
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- Deletion line: direct compositor shortcuts outside Fensalir FieldEvidence and
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audio DSP are diagnostic only.
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The current UI lives in the `Mimir Program` panel:
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- `Video`: select feed, visible, solo, opacity, layer ordering.
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- `Audio`: select stem/source, mute, solo, gain.
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- `Color`: LUT preset and LUT strength.
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The shader-side LUT path is explicit state, not finished renderer authority yet.
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`MimirLookupTablePreset` carries `LutPath`, strength, contrast, saturation,
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temperature, and tint so Fensalir can consume the same contract when the global
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post shader grows real LUT sampling. Until that renderer cut lands, Mimir maps
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the preset exposure and bloom values into existing Fensalir `GraphicsSettings`.
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Smoke proof:
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```powershell
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dotnet run --project .\src\Mimir.BufferSmoke\Mimir.BufferSmoke.csproj -- --presentation-control-smoke
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```
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