Optional ReadonlysetReadonlyinputReadonlymetadataReadonlysampleOptional ReadonlyframeExact timing when the source already owns a presentation frame index.
Optional ReadonlyreadReads the frame index on first call and reuses it after, for a source that can read one but does not keep it.
Optional ReadonlyframeWhy this source has no frame index, for whatever asked for one.
ReadonlyengineThe loaded engine. Naming the renderer's channel in the type is what fails the build if the engine's transport stops answering that seam.
Reconfigure the existing presentation output; true means a replacement frame was delivered.