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  3. FSoundFieldDecoder

FSoundFieldDecoder

API > API/Runtime > API/Runtime/SoundFieldRendering

   
Name FSoundFieldDecoder
Type class
Header File /Engine/Source/Runtime/SoundFieldRendering/Public/SoundFieldRendering.h
Include Path #include "SoundFieldRendering.h"

Syntax

class FSoundFieldDecoder

Constructors

Name Remarks Include Path Unreal Specifiers

FSoundFieldDecoder()

   SoundFieldRendering.h  

Constants

Name Type Remarks Include Path
SphereHarmCalc FSphericalHarmonicCalculator   SoundFieldRendering.h
Sqrt2Over2Vec const VectorRegister   SoundFieldRendering.h
VirtualSpeakerLocationsHorzOnly TArray< Audio::FChannelPositionInfo >   SoundFieldRendering.h
ZeroVec const VectorRegister   SoundFieldRendering.h

Variables

Protected

Name Type Remarks Include Path Unreal Specifiers
CurrentSpeakerGains Audio::FAlignedFloatBuffer   SoundFieldRendering.h  
FoaVirtualSpeakerWordLockedGains Audio::FAlignedFloatBuffer   SoundFieldRendering.h  
LastListenerRotationSphericalCoord FVector2D   SoundFieldRendering.h  
MixdownGainsMap Audio::FAlignedFloatBuffer   SoundFieldRendering.h  
SpeakerGainLerper Audio::FBufferLinearEase   SoundFieldRendering.h  
TargetSpeakerGains Audio::FAlignedFloatBuffer   SoundFieldRendering.h  
VirtualSpeakerScratchBuffers Audio::FAlignedFloatBuffer   SoundFieldRendering.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void DecodeAudioDirectlyToDeviceOutputPositions ( const FAmbisonicsSoundfieldBuffer& InputData,
const FSoundfieldSpeakerPositionalData& OutputPositions,
Audio::FAlignedFloatBuffer& OutputData
)

   SoundFieldRendering.h  

void DecodeAudioToSevenOneAndDownmixToDevice ( const FAmbisonicsSoundfieldBuffer& InputData,
const FSoundfieldSpeakerPositionalData& OutputPositions,
Audio::FAlignedFloatBuffer& OutputData
)

   SoundFieldRendering.h  

Static

Name Remarks Include Path Unreal Specifiers

static void EvenOrderDecodeLoop ( const int32 NumFrames,
const int32 NumOutputChannels,
const float* pAmbiFrame,
const int32 NumAmbiChannels,
float* SpeakerGainsPtr,
float* OutputBufferPtrBuffer
)

 Partially vectorized decode operations for 2nd and 4th order operations. SoundFieldRendering.h  

static void EvenOrderToSevenOneLoop ( const int32 NumFrames,
const int32 NumOutputChannels,
const float* pAmbiFrame,
const int32 NumAmbiChannels,
float* SpeakerGainsPtr,
float* OutputBufferPtrBuffer
)

   SoundFieldRendering.h  

static void FirstOrderDecodeLoop ( const int32 NumFrames,
const int32 NumOutputChannels,
const float* pAmbiFrame,
const int32 NumAmbiChannels,
float* SpeakerGainsPtr,
float* OutputBufferPtrBuffer
)

 Special cased, vectorized versions of first order operations. SoundFieldRendering.h  

static void FirstOrderToSevenOneLoop ( const int32 NumFrames,
const int32 NumOutputChannels,
const float* pAmbiFrame,
const int32 NumAmbiChannels,
float* SpeakerGainsPtr,
float* OutputBufferPtrBuffer
)

   SoundFieldRendering.h  

static void FoaRotationInPlace ( Audio::FAlignedFloatBuffer& InOutFrames,
const float XRotDegrees,
const float YRotDegrees,
const float ZRotDegrees
)

   SoundFieldRendering.h  

static TArray< Audio::FChannelPositionInfo > * GetDefaultChannelPositions ( int32 InNumChannels
)

 Helper function to get the default channel positions for a channel array. SoundFieldRendering.h  

static void OddOrderDecodeLoop ( const int32 NumFrames,
const int32 NumOutputChannels,
const float* pAmbiFrame,
const int32 NumAmbiChannels,
float* SpeakerGainsPtr,
float* OutputBufferPtrBuffer
)

 Special cased vectorized versions of 3rd and fifth order operations. SoundFieldRendering.h  

static void OddOrderToSevenOneLoop ( const int32 NumFrames,
const int32 NumOutputChannels,
const float* pAmbiFrame,
const int32 NumAmbiChannels,
float* SpeakerGainsPtr,
float* OutputBufferPtrBuffer
)

   SoundFieldRendering.h  

static void RotateFirstOrderAmbisonicsBed ( const FAmbisonicsSoundfieldBuffer& InputData,
FAmbisonicsSoundfieldBuffer& OutputData,
const FQuat& DestinationRotation,
const FQuat& PreviousRotation
)

   SoundFieldRendering.h  

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