JPL::VBAP::LUTQuery< LUTType, LUTCodec, Vec3TypeImplicit > Class Template Reference

Interface to query LUT gains for a direction. More...

#include <JPLSpatial/Panning/VBAPLUT3D.h>

Classes
struct	VBAPCell
	Data extracted from LUT for specific source direction. More...

Public Member Functions
JPL_INLINE	LUTQuery (const LUTType &lut) noexcept
template<CVec3 Vec3Type>
void	GainsFor (const Vec3Type &direction, VBAPCell &outSpeakerGains) const
void	GainsFor (const simd &dirX, const simd &dirY, const simd &dirZ, std::array< SpeakerIdx, 3 *simd::size()> &outIndices, std::array< float, 3 *simd::size()> &outGains) const
template<CVec3 Vec3Type>
JPL_INLINE void	GainsFor (const Vec3Type &direction, std::span< float > outGains) const

Public Attributes
const LUTType &	LUT

Static Public Attributes
static constexpr bool	bLUTHasGains = !std::same_as<typename LUTType::GainType, GainTypeNone>

Detailed Description

template<CLUT LUTType, class LUTCodec, CVec3 Vec3TypeImplicit>
class JPL::VBAP::LUTQuery< LUTType, LUTCodec, Vec3TypeImplicit >

Interface to query LUT gains for a direction.

Constructor & Destructor Documentation

LUTQuery()

template<CLUT LUTType, class LUTCodec , CVec3 Vec3TypeImplicit>

JPL_INLINE JPL::VBAP::LUTQuery< LUTType, LUTCodec, Vec3TypeImplicit >::LUTQuery ( const LUTType &  lut )

inlineexplicitnoexcept

Member Function Documentation

GainsFor() [1/3]

template<CLUT LUTType, class LUTCodec , CVec3 Vec3TypeImplicit>

void JPL::VBAP::LUTQuery< LUTType, LUTCodec, Vec3TypeImplicit >::GainsFor ( const simd &  dirX, const simd &  dirY, const simd &  dirZ, std::array< SpeakerIdx, 3 *simd::size()> &  outIndices, std::array< float, 3 *simd::size()> &  outGains  ) const

inline

GainsFor() [2/3]

template<CLUT LUTType, class LUTCodec , CVec3 Vec3TypeImplicit>

template<CVec3 Vec3Type>

JPL_INLINE void JPL::VBAP::LUTQuery< LUTType, LUTCodec, Vec3TypeImplicit >::GainsFor	(	const Vec3Type &	direction,
		std::span< float >	outGains
	)		const

Function to query LUT gains for a direction.

Parameters

direction	: has to be normalized unit vector
outGains	: must be of size at least number of target speakers the LUT was built for

GainsFor() [3/3]

template<CLUT LUTType, class LUTCodec , CVec3 Vec3TypeImplicit>

template<CVec3 Vec3Type>

void JPL::VBAP::LUTQuery< LUTType, LUTCodec, Vec3TypeImplicit >::GainsFor ( const Vec3Type &  direction, VBAPCell &  outSpeakerGains  ) const

inline

Function to query LUT gains for a direction.

Parameters

direction

: has to be normalized unit vector

Member Data Documentation

bLUTHasGains

template<CLUT LUTType, class LUTCodec , CVec3 Vec3TypeImplicit>

constexpr bool JPL::VBAP::LUTQuery< LUTType, LUTCodec, Vec3TypeImplicit >::bLUTHasGains = !std::same_as<typename LUTType::GainType, GainTypeNone>

staticconstexpr

If LUT doesn't have precomputed gains, querying computes inverse speaker matrix multiplication to get the gains for the query direction

LUT

template<CLUT LUTType, class LUTCodec , CVec3 Vec3TypeImplicit>

const LUTType& JPL::VBAP::LUTQuery< LUTType, LUTCodec, Vec3TypeImplicit >::LUT

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The documentation for this class was generated from the following file:

• JPLSpatial/Panning/VBAPLUT3D.h