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# video-shader
Milestone 1 is a Windows x64 native service that captures DeckLink video, processes frames as `RGBA16f` through a D3D11 HLSL shader, and outputs the processed image on the same DeckLink device.
## Build
```powershell
cmake --preset windows-debug
cmake --build --preset windows-debug
```
Run:
```powershell
.\build\windows-debug\Debug\video-shader.exe
```
Open `http://127.0.0.1:8080`.
## Notes
- The DeckLink SDK must remain at `3rdParty/Blackmagic DeckLink SDK 16.0`.
- Milestone 1 captures video only. Audio is intentionally not routed yet.
- The processing boundary is D3D11 `DXGI_FORMAT_R16G16B16A16_FLOAT`.
- The current implementation uses an isolated CPU DeckLink bridge around the D3D11 processing core. The GPU Direct/D3D11 interop point is kept behind the frame bridge boundary for a later allocator-backed implementation.