You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
3543fe01db
#rb Phil.Popp #jira nojira #preflight 609af8112032ee000111f1ee #ROBOMERGE-SOURCE: CL 16284234 in //UE5/Main/... #ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v799-16237190) [CL 16284312 by maxwell hayes in ue5-release-engine-test branch]
317 lines
27 KiB
C++
317 lines
27 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "CoreMinimal.h"
|
|
|
|
#if PLATFORM_SWITCH
|
|
// Switch uses page alignment for submitted buffers
|
|
#define AUDIO_BUFFER_ALIGNMENT 4096
|
|
#else
|
|
#define AUDIO_BUFFER_ALIGNMENT 16
|
|
#endif
|
|
|
|
#define AUDIO_SIMD_BYTE_ALIGNMENT (16)
|
|
#define AUDIO_NUM_FLOATS_PER_VECTOR_REGISTER (4)
|
|
|
|
namespace Audio
|
|
{
|
|
/** Aligned allocator used for fast operations. */
|
|
using FAudioBufferAlignedAllocator = TAlignedHeapAllocator<AUDIO_BUFFER_ALIGNMENT>;
|
|
|
|
using FAlignedByteBuffer = TArray<uint8, FAudioBufferAlignedAllocator>;
|
|
using FAlignedFloatBuffer = TArray<float, FAudioBufferAlignedAllocator>;
|
|
using FAlignedInt32Buffer = TArray<int32, FAudioBufferAlignedAllocator>;
|
|
|
|
// Deprecated in favor of versions above
|
|
typedef TArray<uint8, FAudioBufferAlignedAllocator> AlignedByteBuffer;
|
|
typedef TArray<float, FAudioBufferAlignedAllocator> AlignedFloatBuffer;
|
|
typedef TArray<int32, FAudioBufferAlignedAllocator> AlignedInt32Buffer;
|
|
|
|
|
|
/** CHANNEL-AGNOSTIC OPERATIONS */
|
|
|
|
/* Sets a values to zero if value is denormal. Denormal numbers significantly slow down floating point operations. */
|
|
SIGNALPROCESSING_API void BufferUnderflowClampFast(FAlignedFloatBuffer& InOutBuffer);
|
|
|
|
/* Sets a values to zero if value is denormal. Denormal numbers significantly slow down floating point operations. */
|
|
SIGNALPROCESSING_API void BufferUnderflowClampFast(float* RESTRICT InOutBuffer, const int32 InNum);
|
|
|
|
/* Clamps the values in a buffer between a min and max value.*/
|
|
SIGNALPROCESSING_API void BufferRangeClampFast(FAlignedFloatBuffer& InOutBuffer, float InMinValue, float InMaxValue);
|
|
SIGNALPROCESSING_API void BufferRangeClampFast(float* RESTRICT InOutBuffer, const int32 InNum, float InMinValue, float InMaxValue);
|
|
|
|
/** Multiplies the input aligned float buffer with the given value. */
|
|
SIGNALPROCESSING_API void BufferMultiplyByConstant(const FAlignedFloatBuffer& InFloatBuffer, float InValue, FAlignedFloatBuffer& OutFloatBuffer);
|
|
SIGNALPROCESSING_API void BufferMultiplyByConstant(const float* RESTRICT InFloatBuffer, float InValue, float* RESTRICT OutFloatBuffer, const int32 InNumSamples);
|
|
SIGNALPROCESSING_API void BufferMultiplyByConstant(const FAlignedFloatBuffer& InFloatBuffer, float InValue, FAlignedFloatBuffer& OutFloatBuffer);
|
|
|
|
/** Similar to BufferMultiplyByConstant, but (a) assumes a buffer length divisible by 4 and (b) performs the multiply in place. */
|
|
SIGNALPROCESSING_API void MultiplyBufferByConstantInPlace(FAlignedFloatBuffer& InBuffer, float InGain);
|
|
SIGNALPROCESSING_API void MultiplyBufferByConstantInPlace(float* RESTRICT InBuffer, int32 NumSamples, float InGain);
|
|
|
|
/** Adds a constant to a buffer (useful for DC offset removal) */
|
|
SIGNALPROCESSING_API void AddConstantToBufferInplace(FAlignedFloatBuffer& InBuffer, float Constant);
|
|
SIGNALPROCESSING_API void AddConstantToBufferInplace(float* RESTRICT InBuffer, int32 NumSamples, float Constant);
|
|
|
|
/** Sets a constant to a buffer (useful for DC offset application) */
|
|
SIGNALPROCESSING_API void BufferSetToConstantInplace(FAlignedFloatBuffer& InBuffer, float Constant);
|
|
SIGNALPROCESSING_API void BufferSetToConstantInplace(float* RESTRICT InBuffer, int32 NumSamples, float Constant);
|
|
|
|
/* Performs an element-wise weighted sum OutputBuffer = (InBuffer1 x InGain1) + (InBuffer2 x InGain2) */
|
|
SIGNALPROCESSING_API void BufferWeightedSumFast(const FAlignedFloatBuffer& InBuffer1, float InGain1, const FAlignedFloatBuffer& InBuffer2, float InGain2, FAlignedFloatBuffer& OutBuffer);
|
|
|
|
/* Performs an element-wise weighted sum OutputBuffer = (InBuffer1 x InGain1) + InBuffer2 */
|
|
SIGNALPROCESSING_API void BufferWeightedSumFast(const FAlignedFloatBuffer& InBuffer1, float InGain1, const FAlignedFloatBuffer& InBuffer2, FAlignedFloatBuffer& OutBuffer);
|
|
|
|
/* Performs an element-wise weighted sum OutputBuffer = (InBuffer1 x InGain1) + (InBuffer2 x InGain2) */
|
|
SIGNALPROCESSING_API void BufferWeightedSumFast(const float* RESTRICT InBuffer1, float InGain1, const float* RESTRICT InBuffer2, float InGain2, float* RESTRICT OutBuffer, int32 InNum);
|
|
|
|
/* Performs an element-wise weighted sum OutputBuffer = (InBuffer1 x InGain1) + InBuffer2 */
|
|
SIGNALPROCESSING_API void BufferWeightedSumFast(const float* RESTRICT InBuffer1, float InGain1, const float* RESTRICT InBuffer2, float* RESTRICT OutBuffer, int32 InNum);
|
|
SIGNALPROCESSING_API void MultiplyBufferByConstantInPlace(FAlignedFloatBuffer& InBuffer, float InGain);
|
|
SIGNALPROCESSING_API void MultiplyBufferByConstantInPlace(float* RESTRICT InBuffer, int32 NumSamples, float InGain);
|
|
|
|
/* Takes a float buffer and quickly interpolates it's gain from StartValue to EndValue. */
|
|
/* This operation completely ignores channel counts, so avoid using this function on buffers that are not mono, stereo or quad */
|
|
/* if the buffer needs to fade all channels uniformly. */
|
|
SIGNALPROCESSING_API void FadeBufferFast(FAlignedFloatBuffer& OutFloatBuffer, const float StartValue, const float EndValue);
|
|
SIGNALPROCESSING_API void FadeBufferFast(float* RESTRICT OutFloatBuffer, int32 NumSamples, const float StartValue, const float EndValue);
|
|
|
|
/** Takes buffer InFloatBuffer, optionally multiplies it by Gain, and adds it to BufferToSumTo. */
|
|
SIGNALPROCESSING_API void MixInBufferFast(const FAlignedFloatBuffer& InFloatBuffer, FAlignedFloatBuffer& BufferToSumTo, const float Gain);
|
|
SIGNALPROCESSING_API void MixInBufferFast(const float* RESTRICT InFloatBuffer, float* RESTRICT BufferToSumTo, int32 NumSamples, const float Gain);
|
|
SIGNALPROCESSING_API void MixInBufferFast(const FAlignedFloatBuffer& InFloatBuffer, FAlignedFloatBuffer& BufferToSumTo, const float StartGain, const float EndGain);
|
|
SIGNALPROCESSING_API void MixInBufferFast(const float* RESTRICT InFloatBuffer, float* RESTRICT BufferToSumTo, int32 NumSamples, const float StartGain, const float EndGain);
|
|
SIGNALPROCESSING_API void MixInBufferFast(const FAlignedFloatBuffer& InFloatBuffer, FAlignedFloatBuffer& BufferToSumTo);
|
|
SIGNALPROCESSING_API void MixInBufferFast(const float* RESTRICT InFloatBuffer, float* RESTRICT BufferToSumTo, int32 NumSamples);
|
|
|
|
/* Subtracts two buffers together element-wise. */
|
|
SIGNALPROCESSING_API void BufferSubtractFast(const FAlignedFloatBuffer& InMinuend, const FAlignedFloatBuffer& InSubtrahend, FAlignedFloatBuffer& OutputBuffer);
|
|
|
|
/* Subtracts two buffers together element-wise. */
|
|
SIGNALPROCESSING_API void BufferSubtractFast(const float* RESTRICT InMinuend, const float* RESTRICT InSubtrahend, float* RESTRICT OutputBuffer, int32 NumSamples);
|
|
|
|
/* Performs element-wise in-place subtraction placing the result in the subtrahend. InOutSubtrahend = InMinuend - InOutSubtrahend */
|
|
SIGNALPROCESSING_API void BufferSubtractInPlace1Fast(const FAlignedFloatBuffer& InMinuend, FAlignedFloatBuffer& InOutSubtrahend);
|
|
|
|
/* Performs element-wise in-place subtraction placing the result in the subtrahend. InOutSubtrahend = InMinuend - InOutSubtrahend */
|
|
SIGNALPROCESSING_API void BufferSubtractInPlace1Fast(const float* RESTRICT InMinuend, float* RESTRICT InOutSubtrahend, int32 NumSamples);
|
|
|
|
|
|
/* Performs element-wise in-place subtraction placing the result in the minuend. InOutMinuend = InOutMinuend - InSubtrahend */
|
|
SIGNALPROCESSING_API void BufferSubtractInPlace2Fast(FAlignedFloatBuffer& InOutMinuend, const FAlignedFloatBuffer& InSubtrahend);
|
|
|
|
/* Performs element-wise in-place subtraction placing the result in the minuend. InOutMinuend = InOutMinuend - InSubtrahend */
|
|
SIGNALPROCESSING_API void BufferSubtractInPlace2Fast(float* RESTRICT InOutMinuend, const float* RESTRICT InSubtrahend, int32 NumSamples);
|
|
|
|
/** This version of MixInBufferFast will fade from StartGain to EndGain. */
|
|
SIGNALPROCESSING_API void MixInBufferFast(const FAlignedFloatBuffer& InFloatBuffer, FAlignedFloatBuffer& BufferToSumTo, const float StartGain, const float EndGain);
|
|
SIGNALPROCESSING_API void MixInBufferFast(const float* RESTRICT InFloatBuffer, float* RESTRICT BufferToSumTo, int32 NumSamples, const float StartGain, const float EndGain);
|
|
|
|
/** Sums two buffers together and places the result in the resulting buffer. */
|
|
SIGNALPROCESSING_API void SumBuffers(const FAlignedFloatBuffer& InFloatBuffer1, const FAlignedFloatBuffer& InFloatBuffer2, FAlignedFloatBuffer& OutputBuffer);
|
|
SIGNALPROCESSING_API void SumBuffers(const float* RESTRICT InFloatBuffer1, const float* RESTRICT InFloatBuffer2, float* RESTRICT OutputBuffer, int32 NumSamples);
|
|
|
|
/** Multiply the second buffer in place by the first buffer. */
|
|
SIGNALPROCESSING_API void MultiplyBuffersInPlace(const FAlignedFloatBuffer& InFloatBuffer, FAlignedFloatBuffer& BufferToMultiply);
|
|
SIGNALPROCESSING_API void MultiplyBuffersInPlace(const float* RESTRICT InFloatBuffer, float* RESTRICT BufferToMultiply, int32 NumSamples);
|
|
|
|
/** CHANNEL-AGNOSTIC ANALYSIS OPERATIONS */
|
|
|
|
/** Takes an audio buffer and returns the magnitude across that buffer. */
|
|
SIGNALPROCESSING_API float GetMagnitude(const FAlignedFloatBuffer& Buffer);
|
|
SIGNALPROCESSING_API float GetMagnitude(const float* RESTRICT Buffer, int32 NumSamples);
|
|
|
|
/** Takes an audio buffer and gets the average amplitude across that buffer. */
|
|
SIGNALPROCESSING_API float BufferGetAverageValue(const FAlignedFloatBuffer& Buffer);
|
|
SIGNALPROCESSING_API float BufferGetAverageValue(const float* RESTRICT Buffer, int32 NumSamples);
|
|
|
|
/** Takes an audio buffer and gets the average absolute amplitude across that buffer. */
|
|
SIGNALPROCESSING_API float BufferGetAverageAbsValue(const FAlignedFloatBuffer& Buffer);
|
|
SIGNALPROCESSING_API float BufferGetAverageAbsValue(const float* RESTRICT Buffer, int32 NumSamples);
|
|
|
|
/** CHANNEL-SPECIFIC OPERATIONS */
|
|
|
|
/** Takes a 2 channel interleaved buffer and applies Gains to it. Gains is expected to point to a 2 float long buffer.
|
|
* StereoBuffer must have an even number of frames.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void Apply2ChannelGain(FAlignedFloatBuffer& StereoBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Apply2ChannelGain(float* RESTRICT StereoBuffer, int32 NumSamples, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Apply2ChannelGain(FAlignedFloatBuffer& StereoBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void Apply2ChannelGain(float* RESTRICT StereoBuffer, int32 NumSamples, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes a 1 channel buffer and mixes it to a stereo buffer using Gains. Gains is expected to point to a 2 float long buffer.
|
|
* these buffers must have an even number of frames.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void MixMonoTo2ChannelsFast(const FAlignedFloatBuffer& MonoBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void MixMonoTo2ChannelsFast(const float* RESTRICT MonoBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void MixMonoTo2ChannelsFast(const FAlignedFloatBuffer& MonoBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void MixMonoTo2ChannelsFast(const float* RESTRICT MonoBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void MixMonoTo2ChannelsFast(const FAlignedFloatBuffer& MonoBuffer, FAlignedFloatBuffer& DestinationBuffer);
|
|
SIGNALPROCESSING_API void MixMonoTo2ChannelsFast(const float* RESTRICT MonoBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames);
|
|
|
|
/** Takes a 2 channel buffer and mixes it to an 2 channel interleaved buffer using Gains. Gains is expected to point to a 16 float long buffer.
|
|
* Output gains for the left input channel should be the first 8 values in Gains, and Output gains for the right input channel should be rest.
|
|
* NumFrames must be a multiple of 4.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo2ChannelsFast(const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo2ChannelsFast(const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo2ChannelsFast(const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo2ChannelsFast(const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes a 4 channel interleaved buffer and applies Gains to it. Gains is expected to point to a 2 float long buffer.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void Apply4ChannelGain(FAlignedFloatBuffer& InterleavedBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Apply4ChannelGain(float* RESTRICT InterleavedBuffer, int32 NumSamples, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Apply4ChannelGain(FAlignedFloatBuffer& InterleavedBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void Apply4ChannelGain(float* RESTRICT InterleavedBuffer, int32 NumSamples, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes a 1 channel buffer and mixes it to an 8 channel interleaved buffer using Gains. Gains is expected to point to a 8 float long buffer.
|
|
* these buffers must have an even number of frames.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void MixMonoTo4ChannelsFast(const FAlignedFloatBuffer& MonoBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void MixMonoTo4ChannelsFast(const float* RESTRICT MonoBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void MixMonoTo4ChannelsFast(const FAlignedFloatBuffer& MonoBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void MixMonoTo4ChannelsFast(const float* RESTRICT MonoBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes a 2 channel buffer and mixes it to an 8 channel interleaved buffer using Gains. Gains is expected to point to a 16 float long buffer.
|
|
* Output gains for the left input channel should be the first 8 values in Gains, and Output gains for the right input channel should be rest.
|
|
* NumFrames must be a multiple of 4.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo4ChannelsFast(const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo4ChannelsFast(const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo4ChannelsFast(const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo4ChannelsFast(const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes a 6 channel interleaved buffer and applies Gains to it. Gains is expected to point to a 2 float long buffer.
|
|
* InterleavedBuffer must have an even number of frames.
|
|
*/
|
|
SIGNALPROCESSING_API void Apply6ChannelGain(FAlignedFloatBuffer& InterleavedBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Apply6ChannelGain(float* RESTRICT InterleavedBuffer, int32 NumSamples, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Apply6ChannelGain(FAlignedFloatBuffer& InterleavedBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void Apply6ChannelGain(float* RESTRICT InterleavedBuffer, int32 NumSamples, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes a 1 channel buffer and mixes it to an 8 channel interleaved buffer using Gains. Gains is expected to point to a 8 float long buffer.
|
|
* these buffers must have an even number of frames.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void MixMonoTo6ChannelsFast(const FAlignedFloatBuffer& MonoBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void MixMonoTo6ChannelsFast(const float* RESTRICT MonoBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void MixMonoTo6ChannelsFast(const FAlignedFloatBuffer& MonoBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void MixMonoTo6ChannelsFast(const float* RESTRICT MonoBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes a 2 channel buffer and mixes it to an 8 channel interleaved buffer using Gains. Gains is expected to point to a 16 float long buffer.
|
|
* Output gains for the left input channel should be the first 8 values in Gains, and Output gains for the right input channel should be rest.
|
|
* NumFrames must be a multiple of 4.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo6ChannelsFast(const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo6ChannelsFast(const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo6ChannelsFast(const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo6ChannelsFast(const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes an 8 channel interleaved buffer and applies Gains to it. Gains is expected to point to an 8 float long buffer. */
|
|
SIGNALPROCESSING_API void Apply8ChannelGain(FAlignedFloatBuffer& InterleavedBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Apply8ChannelGain(float* RESTRICT InterleavedBuffer, int32 NumSamples, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Apply8ChannelGain(FAlignedFloatBuffer& InterleavedBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void Apply8ChannelGain(float* RESTRICT InterleavedBuffer, int32 NumSamples, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes a 1 channel buffer and mixes it to an 8 channel interleaved buffer using Gains. Gains is expected to point to a 8 float long buffer.
|
|
* these buffers must have an even number of frames.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void MixMonoTo8ChannelsFast(const FAlignedFloatBuffer& MonoBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void MixMonoTo8ChannelsFast(const float* RESTRICT MonoBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void MixMonoTo8ChannelsFast(const FAlignedFloatBuffer& MonoBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void MixMonoTo8ChannelsFast(const float* RESTRICT MonoBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** Takes a 2 channel buffer and mixes it to an 8 channel interleaved buffer using Gains. Gains is expected to point to a 16 float long buffer.
|
|
* Output gains for the left input channel should be the first 8 values in Gains, and Output gains for the right input channel should be rest.
|
|
* these buffers must have an even number of frames.
|
|
* If StartGains and EndGains are provided, this function will interpolate between the two across the buffer.
|
|
*/
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo8ChannelsFast(const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo8ChannelsFast(const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo8ChannelsFast(const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void Mix2ChannelsTo8ChannelsFast(const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/** This is a generalized operation that uses the channel gain matrix provided in Gains to mix an interleaved source buffer to the interleaved downmix buffer.
|
|
* This operation is not explicitly vectorized and will almost always be slower than using one of the functions above.
|
|
*/
|
|
SIGNALPROCESSING_API void DownmixBuffer(int32 NumSourceChannels, int32 NumDestinationChannels, const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void DownmixBuffer(int32 NumSourceChannels, int32 NumDestinationChannels, const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void DownmixBuffer(int32 NumSourceChannels, int32 NumDestinationChannels, const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& DestinationBuffer, float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
SIGNALPROCESSING_API void DownmixBuffer(int32 NumSourceChannels, int32 NumDestinationChannels, const float* RESTRICT SourceBuffer, float* RESTRICT DestinationBuffer, int32 NumFrames, float* RESTRICT StartGains, const float* RESTRICT EndGains);
|
|
|
|
/**
|
|
* This is similar to DownmixBuffer, except that it sums into DestinationBuffer rather than overwriting it.
|
|
*/
|
|
SIGNALPROCESSING_API void DownmixAndSumIntoBuffer(int32 NumSourceChannels, int32 NumDestinationChannels, const FAlignedFloatBuffer& SourceBuffer, FAlignedFloatBuffer& BufferToSumTo, const float* RESTRICT Gains);
|
|
SIGNALPROCESSING_API void DownmixAndSumIntoBuffer(int32 NumSourceChannels, int32 NumDestinationChannels, const float* RESTRICT SourceBuffer, float* RESTRICT BufferToSumTo, int32 NumFrames, const float* RESTRICT Gains);
|
|
|
|
/** Interleaves samples from two input buffers */
|
|
SIGNALPROCESSING_API void BufferInterleave2ChannelFast(const FAlignedFloatBuffer& InBuffer1, const FAlignedFloatBuffer& InBuffer2, FAlignedFloatBuffer& OutBuffer);
|
|
|
|
/** Interleaves samples from two input buffers */
|
|
SIGNALPROCESSING_API void BufferInterleave2ChannelFast(const float* RESTRICT InBuffer1, const float* RESTRICT InBuffer2, float* RESTRICT OutBuffer, const int32 InNum);
|
|
|
|
/** Deinterleaves samples from a 2 channel input buffer */
|
|
SIGNALPROCESSING_API void BufferDeinterleave2ChannelFast(const FAlignedFloatBuffer& InBuffer, FAlignedFloatBuffer& OutBuffer1, FAlignedFloatBuffer& OutBuffer2);
|
|
|
|
/** Deinterleaves samples from a 2 channel input buffer */
|
|
SIGNALPROCESSING_API void BufferDeinterleave2ChannelFast(const float* RESTRICT InBuffer, float* RESTRICT OutBuffer1, float* RESTRICT OutBuffer2, const int32 InNum);
|
|
|
|
/** Sums 2 channel interleaved input samples. OutSamples[n] = InSamples[2n] + InSamples[2n + 1] */
|
|
SIGNALPROCESSING_API void BufferSum2ChannelToMonoFast(const FAlignedFloatBuffer& InSamples, FAlignedFloatBuffer& OutSamples);
|
|
|
|
/** Sums 2 channel interleaved input samples. OutSamples[n] = InSamples[2n] + InSamples[2n + 1] */
|
|
SIGNALPROCESSING_API void BufferSum2ChannelToMonoFast(const float* RESTRICT InSamples, float* RESTRICT OutSamples, const int32 InNumFrames);
|
|
|
|
/** Compute power of complex data. Out[i] = Real[i] * Real[i] + Imaginary[i] * Imaginary[i] */
|
|
SIGNALPROCESSING_API void BufferComplexToPowerFast(const FAlignedFloatBuffer& InRealSamples, const FAlignedFloatBuffer& InImaginarySamples, FAlignedFloatBuffer& OutPowerSamples);
|
|
|
|
/** Compute power of complex data. Out[i] = Real[i] * Real[i] + Imaginary[i] * Imaginary[i] */
|
|
SIGNALPROCESSING_API void BufferComplexToPowerFast(const float* RESTRICT InRealSamples, const float* RESTRICT InImaginarySamples, float* RESTRICT OutPowerSamples, const int32 InNum);
|
|
|
|
/** Compute magnitude of complex data. Out[i] = Sqrt(Real[i] * Real[i] + Imaginary[i] * Imaginary[i]) */
|
|
SIGNALPROCESSING_API void BufferComplexToMagnitudeFast(const FAlignedFloatBuffer& InRealSamples, const FAlignedFloatBuffer& InImaginarySamples, FAlignedFloatBuffer& OutPowerSamples);
|
|
|
|
/** Compute magnitude of complex data. Out[i] = Sqrt(Real[i] * Real[i] + Imaginary[i] * Imaginary[i]) */
|
|
SIGNALPROCESSING_API void BufferComplexToMagnitudeFast(const float* RESTRICT InRealSamples, const float* RESTRICT InImaginarySamples, float* RESTRICT OutPowerSamples, const int32 InNum);
|
|
|
|
/** Class which handles a vectorized interpolation of an entire buffer to the values of a target buffer */
|
|
class SIGNALPROCESSING_API FBufferLinearEase
|
|
{
|
|
public:
|
|
FBufferLinearEase();
|
|
FBufferLinearEase(const FAlignedFloatBuffer& InSourceValues, const FAlignedFloatBuffer& InTargetValues, int32 InLerpLength);
|
|
~FBufferLinearEase();
|
|
|
|
/** will cache SourceValues ptr and manually update SourceValues on Update() */
|
|
void Init(const FAlignedFloatBuffer& InSourceValues, const FAlignedFloatBuffer& InTargetValues, int32 InLerpLength);
|
|
|
|
/** Performs Vectorized update of SourceValues float buffer. Returns true if interpolation is complete */
|
|
bool Update(FAlignedFloatBuffer& InSourceValues);
|
|
|
|
/** Update overloaded to let you jump forward more than a single time-step */
|
|
bool Update(uint32 StepsToJumpForward, FAlignedFloatBuffer& InSourceValues);
|
|
|
|
/** returns const reference to the deltas buffer for doing interpolation elsewhere */
|
|
const FAlignedFloatBuffer& GetDeltaBuffer();
|
|
|
|
private:
|
|
int32 BufferLength {0};
|
|
int32 LerpLength {0};
|
|
int32 CurrentLerpStep{0};
|
|
FAlignedFloatBuffer DeltaBuffer;
|
|
|
|
}; // class BufferLerper
|
|
}
|