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docs update
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Aiden
2026-05-11 17:16:39 +10:00
parent e5c5920ccd
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5 changed files with 417 additions and 31 deletions
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docs/subsystems/VideoBackend.md
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@@ -102,7 +102,7 @@ This work is currently split across:
- [DeckLinkSession::ConfigureInput](/c:/Users/Aiden/Documents/GitHub/video-shader-toys/apps/LoopThroughWithOpenGLCompositing/videoio/decklink/DeckLinkSession.cpp:221)
- [CaptureDelegate::VideoInputFrameArrived](/c:/Users/Aiden/Documents/GitHub/video-shader-toys/apps/LoopThroughWithOpenGLCompositing/videoio/decklink/DeckLinkFrameTransfer.cpp:33)
- [OpenGLVideoIOBridge::VideoFrameArrived](/c:/Users/Aiden/Documents/GitHub/video-shader-toys/apps/LoopThroughWithOpenGLCompositing/gl/pipeline/OpenGLVideoIOBridge.cpp:50)
- [OpenGLVideoIOBridge::UploadInputFrame](/c:/Users/Aiden/Documents/GitHub/video-shader-toys/apps/LoopThroughWithOpenGLCompositing/gl/pipeline/OpenGLVideoIOBridge.cpp:11)
### 3. Output Lifecycle and Output Callback Handling
@@ -307,7 +307,7 @@ Today the callback path effectively does this:
That path is visible in:
- [OpenGLVideoIOBridge::PlayoutFrameCompleted](/c:/Users/Aiden/Documents/GitHub/video-shader-toys/apps/LoopThroughWithOpenGLCompositing/gl/pipeline/OpenGLVideoIOBridge.cpp:83)
- [OpenGLVideoIOBridge::RenderScheduledFrame](/c:/Users/Aiden/Documents/GitHub/video-shader-toys/apps/LoopThroughWithOpenGLCompositing/gl/pipeline/OpenGLVideoIOBridge.cpp:18)
This couples output timing directly to render work.
@@ -354,7 +354,7 @@ Recommended default policy for live playout:
The current "skip upload if the GL bridge is busy" behavior is directionally correct for live timing:
- [OpenGLVideoIOBridge::VideoFrameArrived](/c:/Users/Aiden/Documents/GitHub/video-shader-toys/apps/LoopThroughWithOpenGLCompositing/gl/pipeline/OpenGLVideoIOBridge.cpp:57)
- [OpenGLVideoIOBridge::UploadInputFrame](/c:/Users/Aiden/Documents/GitHub/video-shader-toys/apps/LoopThroughWithOpenGLCompositing/gl/pipeline/OpenGLVideoIOBridge.cpp:11)
But in the target architecture that decision should move out of GL lock acquisition and into an explicit backend-to-render handoff queue policy.