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#UE-139207 #rb simon.therriault #preflight 61f46b10241aeec8656320df #ROBOMERGE-AUTHOR: geoffrey.douglas #ROBOMERGE-SOURCE: CL 18780098 in //UE5/Release-5.0/... via CL 18780850 via CL 18781348 #ROBOMERGE-BOT: UE5 (Release-Engine-Test -> Main) (v903-18687472) [CL 18781651 by geoffrey douglas in ue5-main branch]
71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/Object.h"
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#include "UObject/ObjectMacros.h"
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#include "LiveLinkRole.h"
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#include "LiveLinkTypes.h"
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#include "Templates/SubclassOf.h"
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#include "LiveLinkFrameInterpolationProcessor.generated.h"
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/**
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* Information about the interpolation that was done
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* Used to give some cues to the caller about what's happened
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*/
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struct FLiveLinkInterpolationInfo
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{
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/** Distance in seconds between expected evaluation time and newest sample */
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float ExpectedEvaluationDistanceFromNewestSeconds;
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/** Distance in seconds between expected evaluation time and oldest sample */
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float ExpectedEvaluationDistanceFromOldestSeconds;
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/** Frame indices interpolated between */
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int32 FrameIndexA = INDEX_NONE;
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int32 FrameIndexB = INDEX_NONE;
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/** Whether sampling was done below our oldest sample */
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bool bUnderflowDetected = false;
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/** Whether interpolation point was above our newest sample */
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bool bOverflowDetected = false;
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};
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/**
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* Basic object to interpolate live link frames
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* Inherit from it to do custom blending for your data type
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* @note It can be called from any thread
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*/
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class LIVELINKINTERFACE_API ILiveLinkFrameInterpolationProcessorWorker
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{
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public:
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virtual TSubclassOf<ULiveLinkRole> GetRole() const = 0;
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virtual void Interpolate(double InTime, const FLiveLinkStaticDataStruct& InStaticData, const TArray<FLiveLinkFrameDataStruct>& InSourceFrames, FLiveLinkSubjectFrameData& OutBlendedFrame, FLiveLinkInterpolationInfo& OutInterpolationInfo) = 0;
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virtual void Interpolate(const FQualifiedFrameTime& InTime, const FLiveLinkStaticDataStruct& InStaticData, const TArray<FLiveLinkFrameDataStruct>& InSourceFrames, FLiveLinkSubjectFrameData& OutBlendedFrame, FLiveLinkInterpolationInfo& OutInterpolationInfo) = 0;
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};
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/**
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* Basic object to interpolate live link frames
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* Inherit from it to do custom blending for your data type
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* @note It can only be used on the Game Thread. See ILiveLinkFrameInterpolationProcessorWorker for the any thread implementation.
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*/
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UCLASS(Abstract, editinlinenew, ClassGroup = (LiveLink))
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class LIVELINKINTERFACE_API ULiveLinkFrameInterpolationProcessor : public UObject
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{
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GENERATED_BODY()
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public:
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using FWorkerSharedPtr = TSharedPtr<ILiveLinkFrameInterpolationProcessorWorker, ESPMode::ThreadSafe>;
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virtual TSubclassOf<ULiveLinkRole> GetRole() const PURE_VIRTUAL(ULiveLinkFrameInterpolationProcessor::GetFromRole, return TSubclassOf<ULiveLinkRole>(););
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virtual FWorkerSharedPtr FetchWorker() PURE_VIRTUAL(ULiveLinkFrameInterpolationProcessor::FetchWorker, return FWorkerSharedPtr(););
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};
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