HarmonixMetasound

API > API/Plugins

   
Name HarmonixMetasound
Type Runtime
Part of Plugins Harmonix
Location /Engine/Plugins/Runtime/Harmonix/Source/HarmonixMetasound/
Module Build Rules HarmonixMetasound.Build.cs

Classes

Name Remarks
FBarEvent  
FBeatEvent  
FFFTAnalyzerResultVertexAnalyzer  
FFusionPatchAsset  
FHarmonixMetasoundModule  
FMetronomeOperatorBase  
FMidiAsset  
FMidiChannelFilter Includes MIDI events from enabled channels only
FMidiClock  
FMidiClockVertexAnalyzer  
FMidiNoteFilter Filters MIDI note events based on note number and velocity
FMidiPulseGenerator  
FMidiSongPosVertexAnalyzer  
FMidiStepSequenceAsset  
FMidiStream  
FMidiStreamVertexAnalyzer  
FMidiStreamWriter Write the midi events from a midi stream into a midi file
FMidiTrackFilter Filters MIDI events based on which track they're on
FMusicClockBarEvent  
FMusicClockBeatEvent  
FMusicClockConnected  
FMusicClockDisconnected  
FMusicClockDriverBase  
FMusicClockPlayStateEvent  
FMusicClockSectionEvent  
FMusicTimeDiscontinuityEvent  
FMusicTimer  
FMusicTransportControllable  
FMusicTransportEventStreamVertexAnalyzer  
FOnMusicalTimerExecute  
FPeakTamer Takes a raw peak value from an audio analyzer and outputs a smoothed, compressed value in range [0, 1]
FPlayStateEvent  
FPulseGenerator  
FSectionEvent  
FSimpleSamplerNodeOperatorData  
FSpmcAnalysisResultQueue  
FStuckNoteGuard Tracks incoming note messages and sends note offs when a note would become "stuck" because of a filter change
FStutterSequenceAsset  
FTapeSSNodeOperatorData  
FWorldTimeSourceController A time source driven by UWorld delta time.
UHarmonixMetasoundMusicAsset UHarmonixMetasoundMusicAsset: In this case, the music asset is comprised of a MetaSound that uses the Harmonix MetaSound nodes to generate musical time, and a midi file which maps the tempo and time signatures that define the music's form.
UHarmonixMusicAsset UHarmonixMusicAsset An implementation of the pure virtual IMusicalAsset interface that will act as a base class for UHarmonixMetasoundMusicAsset and UHarmonixWaveMusicAsset.
UHarmonixMusicHandle UHarmonixMusicHandle
UHarmonixPeakTamer Takes a raw peak value from an audio analyzer and outputs a smoothed, compressed value in range [0, 1]
UHarmonixWaveMusicAsset  
UMetasoundMusicSource A music source driven by a Metasound's MIDI clock output.
UMetasoundOfflinePlayerComponent  
UMidiClockUpdateSubsystem Handles updating low-resolution play cursors associated with a MIDI clock.
UMidiEventInfoBlueprintLibrary  
UMusicClock A read-only view into a music source's time.
UMusicClockComponent  
UMusicParameterBlueprintLibrary  
UMusicSource  
UMusicSourceBlueprintLibrary Blueprint function library for creating and managing music sources and clocks.
UMusicTempometerComponent UMusicTempometerComponent provides playback properties of a UMusicClockComponent on its actor and optionally updates a UMaterialParameterCollection.
UMusicTimerManager  
UMusicTimestampBlueprintLibrary  
UOffsetMusicSource An IMusicSource that reads from a parent IMusicSource and applies a millisecond offset.
URuntimeMusicSource A music source that combines an ITimeSource (providing raw time in seconds) with an ISongMapEvaluator (providing time-to-musical-position mapping).
UTimeSignatureBlueprintLibrary  

Structs

Name Remarks
FAdvance  
FHarmonixPeakTamerSettings  
FHarmonixSimpleSamplerNodeConfiguration  
FHarmonixTapeSSNodeConfiguration  
FLoop  
FManualMusicSourceSettings Creates a URuntimeMusicSource driven by wall clock with manually specified tempo and time signature.
FMetasoundMusicClockSettings  
FMetasoundMusicSourceSettings Creates a UMetasoundMusicSource connected to an AudioComponent.
FMidiClockEvent  
FMidiClockSongPosition  
FMidiEventInfo  
FMidiMusicSourceSettings Creates a URuntimeMusicSource driven by wall clock with tempo/time-sig from a MIDI file.
FMidiStreamEvent  
FMusicClockSettingsBase  
FMusicLoopConfiguration  
FMusicSeekRequest  
FMusicSeekTarget  
FMusicSourceSettings Base struct for music source configuration.
FMusicTempometerMPCParameterNames  
FMusicTempometerMPCParameters Parameters used when creating/updating the corresponding Material Parameter Collection
FMusicTimeInterval  
FMusicTimerHandle Unique handle that can be used to distinguish timers that have identical delegates.
FMusicTransportEvent  
FOffsetMusicSourceSettings Creates a UOffsetMusicSource that applies a millisecond offset to a parent source.
FSeek  
FSettings  
FSongMapChain  
FSpeedChange  
FStepSequenceCell First, the USTRUCT(s) that make up the user facing data for this asset...
FStepSequenceNote  
FStepSequencePage  
FStepSequenceRow  
FStepSequenceTable  
FStutterSequenceEntry  
FStutterSequenceTable  
FTempoChange  
FTimeSignatureChange  
FTransportChange  
FWallClockMusicClockSettings  

Interfaces

Name Remarks
IMusicSource Interface for objects that produce musical time.
ITimeSource Base class for Time Sources used by the Runtime Music Clock

Typedefs

Name Type Remarks Include Path
FConstSharedMidiClockPtr TSharedPtr< const FMidiClock, ESPMode::NotThreadSafe >   HarmonixMetasound/DataTypes/MidiClock.h
FMidiClockEvents TArray< FMidiClockEvent >   HarmonixMetasound/DataTypes/MidiClock.h
FMidiClockMsg TVariant< MidiClockMessageTypes::FLoop, MidiClockMessageTypes::FSeek, MidiClockMessageTypes::FAdvance, MidiClockMessageTypes::FTempoChange, MidiClockMessageTypes::FTimeSignatureChange, MidiClockMessageTypes::FTransportChange, MidiClockMessageTypes::FSpeedChange >   HarmonixMetasound/DataTypes/MidiClockEvent.h
FMidiTrackIndex uint16   HarmonixMetasound/MidiOps/MidiOps.h
FStepSequenceTableProxy Harmonix::TAudioRenderableProxy< FStepSequenceTable, Harmonix::TGameThreadToAudioRenderThreadSettingQueue< FStepSequenceTable > >   HarmonixMetasound/DataTypes/MidiStepSequence.h
FStutterSequenceTableProxy Harmonix::TAudioRenderableProxy< FStutterSequenceTable, Harmonix::TGameThreadToAudioRenderThreadSettingQueue< FStutterSequenceTable > >   HarmonixMetasound/DataTypes/MidiStutterSequence.h

Enums

Public

Name Remarks
EMusicClockDriveMethod  
EMusicClockState Copyright Epic Games, Inc. All Rights Reserved.
EMusicTimeDiscontinuityType  
ESeekPointType  
EStdMidiControllerID Standard Midi Controller ID according to the MIDI Association reference: https://www.midi.org/specifications-old/item/table-3-control-change-messages-data-bytes-2
Harmonix::ESourceEvent Copyright Epic Games, Inc. All Rights Reserved.
Harmonix::ESourceState Copyright Epic Games, Inc. All Rights Reserved.
Harmonix::ETransportRequest Copyright Epic Games, Inc. All Rights Reserved.
HarmonixMetasound::EMusicPlayerTransportRequest Copyright Epic Games, Inc. All Rights Reserved.

Constants

Name Type Remarks Include Path
HarmonixMetasound::Nodes::MidiPlayerNode::kMaxClockSpeed float   HarmonixMetasound/Nodes/MidiPlayerNode.h
HarmonixMetasound::Nodes::MidiPlayerNode::kMinClockSpeed float   HarmonixMetasound/Nodes/MidiPlayerNode.h
HarmonixMetasound::SimpleSamplerNode::kMaxChannels int32   HarmonixMetasound/Nodes/SimpleSamplerNode.h
HarmonixMetasound::SimpleSamplerNode::kNumFadeFrames int32   HarmonixMetasound/Nodes/SimpleSamplerNode.h
HarmonixMetasound::TapeSSNode::kMaxChannels int32   HarmonixMetasound/Nodes/TapeSSNode.h

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
AllChannelsOff uint16   HarmonixMetasound/MidiOps/MidiOps.h  
AllChannelsOn uint16   HarmonixMetasound/MidiOps/MidiOps.h  
AudibleDurationDisplayName const FText   HarmonixMetasound/Nodes/StutterControllerNode.h  
AudibleDurationName const TCHAR *   HarmonixMetasound/Nodes/StutterControllerNode.h  
AudibleDurationTooltip const FText   HarmonixMetasound/Nodes/StutterControllerNode.h  
CaptureDurationDisplayName const FText   HarmonixMetasound/Nodes/StutterControllerNode.h  
CaptureDurationName const TCHAR *   HarmonixMetasound/Nodes/StutterControllerNode.h  
CaptureDurationTooltip const FText   HarmonixMetasound/Nodes/StutterControllerNode.h  
events Track The Track Number for the output MIDI   HarmonixMetasound/Nodes/MidiNoteGeneratorNode.h  
FMusicSeekTargetReadRef     HarmonixMetasound/DataTypes/MusicSeekRequest.h  
FMusicSeekTargetTypeInfo     HarmonixMetasound/DataTypes/MusicSeekRequest.h  
HARMONIXMETASOUND_API     HarmonixMetasound/DataTypes/MusicSeekRequest.h  
kMaxTempoBpm float   HarmonixMetasound/Nodes/MetronomeNode.h  
kMaxTimeSigDenominator int32   HarmonixMetasound/Nodes/MetronomeNode.h  
kMaxTimeSigNumerator int32   HarmonixMetasound/Nodes/MetronomeNode.h  
kMinTempoBpm float   HarmonixMetasound/Nodes/MetronomeNode.h  
kMinTimeSigDenominator int32   HarmonixMetasound/Nodes/MetronomeNode.h  
kMinTimeSigNumerator int32   HarmonixMetasound/Nodes/MetronomeNode.h  
MaxDelayTime float   HarmonixMetasound/Nodes/DelayNode.h  
MusicTimestampDisplayName const FText   HarmonixMetasound/Nodes/MusicSeekTargetBuilder.h  
MusicTimestampName const TCHAR *   HarmonixMetasound/Nodes/MusicSeekTargetBuilder.h  
MusicTimestampTooltip const FText   HarmonixMetasound/Nodes/MusicSeekTargetBuilder.h  
Number Track   HarmonixMetasound/Nodes/MidiNoteGeneratorNode.h  
NumChannels int32   HarmonixMetasound/Nodes/DelayNode.h  
ReverseDisplayName const FText   HarmonixMetasound/Nodes/StutterControllerNode.h  
ReverseName const TCHAR *   HarmonixMetasound/Nodes/StutterControllerNode.h  
ReverseTooltip const FText   HarmonixMetasound/Nodes/StutterControllerNode.h  
SeekTargetDisplayName const FText &   HarmonixMetasound/Nodes/MusicSeekTargetBuilder.h  
SeekTargetName const TCHAR *   HarmonixMetasound/Nodes/MusicSeekTargetBuilder.h  
SeekTargetTooltip const FText &   HarmonixMetasound/Nodes/MusicSeekTargetBuilder.h  
SpacingDisplayName const FText   HarmonixMetasound/Nodes/StutterControllerNode.h  
SpacingName const TCHAR *   HarmonixMetasound/Nodes/StutterControllerNode.h  
SpacingTooltip const FText   HarmonixMetasound/Nodes/StutterControllerNode.h  
Velocity MIDI   HarmonixMetasound/Nodes/MidiNoteGeneratorNode.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers
  HarmonixMetasound/DataTypes/MidiEventInfo.h  
  HarmonixMetasound/DataTypes/FFTAnalyzerResult.h  
NOTE: Since there is no corresponding cpp file, the corresponding REGISTER_METASOUND_DATATYPE is in MidiClock.cpp. HarmonixMetasound/DataTypes/MusicSeekRequest.h  
  HarmonixMetasound/DataTypes/TimeSignature.h  

HarmonixMetasound::Analysis::DECLARE_METASOUND_DATA_REFERENCE_ALIAS_TYPES ( FMidiClockSongPosition
)

 Declare aliases IN the namespace... HarmonixMetasound/Analysis/MidiClockSongPos.h  
Declare aliases IN the namespace... HarmonixMetasound/DataTypes/MidiClock.h  
Declare aliases IN the namespace... HarmonixMetasound/DataTypes/MusicTransport.h  

DECLARE_METASOUND_DATA_REFERENCE_ALIAS_TYPES(FMusicTransportEventStream, FMusicTransportEventStreamTypeInfo, FMusicTransportEventStreamReadRef, FMusicTransportEventStreamWriteRef) enum class EMusicPlayerTransportState FString HarmonixMetasound::MusicPlayerTransportStateToString ( EMusicPlayerTransportState State
)

 Declare aliases IN the namespace... HarmonixMetasound/DataTypes/MusicTransport.h  
  HarmonixMetasound/Nodes/MidiNoteGeneratorNode.h  
  HarmonixMetasound/Nodes/MidiNoteGeneratorNode.h  

const Metasound::FNodeClassName & HarmonixMetasound::Nodes::MorphingLFO::GetClassName()

   HarmonixMetasound/Nodes/MorphingLfoNode.h  

const Metasound::FNodeClassName & HarmonixMetasound::Nodes::MusicTimeStampToSeekTarget::GetClassName()

   HarmonixMetasound/Nodes/MusicSeekTargetBuilder.h  

int32 HarmonixMetasound::Nodes::MusicTimeStampToSeekTarget::GetCurrentMajorVersion()

   HarmonixMetasound/Nodes/MusicSeekTargetBuilder.h  

void MusicTempometerUtilities::UpdateMaterialParameterCollectionFromClock ( const UObject* InWorldContextObject,
TWeakObjectPtr< UMaterialParameterCollectionInstance >& InOutMaterialParameterCollectionInstance,
const TObjectPtr< UMaterialParameterCollection >& InMaterialParameterCollection,
const FMusicTempometerMPCParameters& InMCPParameters,
const UMusicClockComponent* InClockComponent
)

 Update the supplied material parameter collection instance (create if null) with song position data extracted from the supplied clock HarmonixMetasound/Utils/MusicTempometerUtilities.h  

FMidiSongPos MusicTempometerUtilities::UpdateMaterialParameterCollectionFromClock ( const UMusicClockComponent* InClockComponent,
const FMidiSongPos& InPreviousFrameMidiSongPos,
const UMaterialParameterCollection* InMaterialParameterCollection,
const FMusicTempometerMPCParameters& InMPCParameters,
TWeakObjectPtr< UMaterialParameterCollectionInstance >& InOutMaterialParameterCollectionInstance
)

 Update the supplied material parameter collection instance (create from the supplied material parameter collection if null) from the supplied clock and song position, and return the current song position according to the supplied clock. HarmonixMetasound/Utils/MusicTempometerUtilities.h  

void MusicTempometerUtilities::UpdateMaterialParameterCollectionFromSongPos ( const UObject* InWorldContextObject,
TWeakObjectPtr< UMaterialParameterCollectionInstance >& InOutMaterialParameterCollectionInstance,
const TObjectPtr< UMaterialParameterCollection >& InMaterialParameterCollection,
const FMusicTempometerMPCParameters& InMCPParameters,
const FMidiSongPos& InMidiSongPos
)

 Update the supplied material parameter collection instance (create if null) with data from the supplied song position HarmonixMetasound/Utils/MusicTempometerUtilities.h  

void MusicTempometerUtilities::UpdateMaterialParameterCollectionFromSongPos ( const UObject* InWorldContextObject,
const FMidiSongPos& InCurrentFrameMidiSongPos,
const FMidiSongPos& InPreviousFrameMidiSongPos,
const UMaterialParameterCollection* InMaterialParameterCollection,
const FMusicTempometerMPCParameters& InMPCParameters,
TWeakObjectPtr< UMaterialParameterCollectionInstance >& InOutMaterialParameterCollectionInstance
)

 Update the supplied material parameter collection instance (create from the supplied material parameter collection if null) from the supplied song positions. HarmonixMetasound/Utils/MusicTempometerUtilities.h  

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