[UPROPERTY](Programming/UnrealArchitecture/Reference/Properties)(EditAnywhere, AdvancedDisplay, Category="Output",
Meta=(UIMin=3, UIMax=4, ClampMin=3, ClampMax=4))
int32 NumberOfBlackmagicBuffers
Number of frame used to transfer from the system memory to the Blackmagic card. A smaller number is most likely to cause missed frame. A bigger number is most likely to increase latency.