lmms::MixHelpers Namespace Reference

Classes
struct	AddOp
struct	AddMultipliedOp
struct	AddSwappedMultipliedOp
struct	AddSanitizedMultipliedOp
struct	AddMultipliedStereoOp
struct	MultiplyAndAddMultipliedOp

Functions
bool	isSilent (const SampleFrame *src, int frames)
bool	isSilent (std::span< sample_t > buffer)
bool	useNaNHandler ()
void	setNaNHandler (bool use)
bool	sanitize (std::span< sample_t > buffer)
	Sanitizes a buffer of infs/NaNs, zeroing the entire buffer if any is detected.
void	add (SampleFrame *dst, const SampleFrame *src, int frames)
	Add samples from src to dst.
void	add (PlanarBufferView< sample_t > dst, PlanarBufferView< const sample_t > src)
	Add samples from src to dst.
void	addMultiplied (SampleFrame *dst, const SampleFrame *src, float coeffSrc, int frames)
	Add samples from src multiplied by coeffSrc to dst.
void	multiply (SampleFrame *dst, float coeff, int frames)
	Multiply samples from dst by coeff.
void	addSwappedMultiplied (SampleFrame *dst, const SampleFrame *src, float coeffSrc, int frames)
	Add samples from src multiplied by coeffSrc to dst, swap inputs.
void	addMultipliedByBuffer (SampleFrame *dst, const SampleFrame *src, float coeffSrc, ValueBuffer *coeffSrcBuf, int frames)
	Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst.
void	addMultipliedByBuffers (SampleFrame *dst, const SampleFrame *src, ValueBuffer *coeffSrcBuf1, ValueBuffer *coeffSrcBuf2, int frames)
	Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst.
void	addSanitizedMultipliedByBuffer (SampleFrame *dst, const SampleFrame *src, float coeffSrc, ValueBuffer *coeffSrcBuf, int frames)
	Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst - sanitized version.
void	addSanitizedMultipliedByBuffers (SampleFrame *dst, const SampleFrame *src, ValueBuffer *coeffSrcBuf1, ValueBuffer *coeffSrcBuf2, int frames)
	Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst - sanitized version.
void	addSanitizedMultiplied (SampleFrame *dst, const SampleFrame *src, float coeffSrc, int frames)
	Same as addMultiplied, but sanitize output (strip out infs/nans).
void	addMultipliedStereo (SampleFrame *dst, const SampleFrame *src, float coeffSrcLeft, float coeffSrcRight, int frames)
	Add samples from src multiplied by coeffSrcLeft/coeffSrcRight to dst.
void	multiplyAndAddMultiplied (SampleFrame *dst, const SampleFrame *src, float coeffDst, float coeffSrc, int frames)
	Multiply dst by coeffDst and add samples from src multiplied by coeffSrc.
void	multiplyAndAddMultipliedJoined (SampleFrame *dst, const sample_t *srcLeft, const sample_t *srcRight, float coeffDst, float coeffSrc, int frames)
	Multiply dst by coeffDst and add samples from srcLeft/srcRight multiplied by coeffSrc.

Function Documentation

add() [1/2]

void lmms::MixHelpers::add	(	PlanarBufferView< sample_t >	dst,
		PlanarBufferView< const sample_t >	src )

Add samples from src to dst.

add() [2/2]

void lmms::MixHelpers::add	(	SampleFrame *	dst,
		const SampleFrame *	src,
		int	frames )

Add samples from src to dst.

addMultiplied()

void lmms::MixHelpers::addMultiplied	(	SampleFrame *	dst,
		const SampleFrame *	src,
		float	coeffSrc,
		int	frames )

Add samples from src multiplied by coeffSrc to dst.

addMultipliedByBuffer()

void lmms::MixHelpers::addMultipliedByBuffer	(	SampleFrame *	dst,
		const SampleFrame *	src,
		float	coeffSrc,
		ValueBuffer *	coeffSrcBuf,
		int	frames )

Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst.

addMultipliedByBuffers()

void lmms::MixHelpers::addMultipliedByBuffers	(	SampleFrame *	dst,
		const SampleFrame *	src,
		ValueBuffer *	coeffSrcBuf1,
		ValueBuffer *	coeffSrcBuf2,
		int	frames )

Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst.

addMultipliedStereo()

void lmms::MixHelpers::addMultipliedStereo	(	SampleFrame *	dst,
		const SampleFrame *	src,
		float	coeffSrcLeft,
		float	coeffSrcRight,
		int	frames )

Add samples from src multiplied by coeffSrcLeft/coeffSrcRight to dst.

addSanitizedMultiplied()

void lmms::MixHelpers::addSanitizedMultiplied	(	SampleFrame *	dst,
		const SampleFrame *	src,
		float	coeffSrc,
		int	frames )

Same as addMultiplied, but sanitize output (strip out infs/nans).

addSanitizedMultipliedByBuffer()

void lmms::MixHelpers::addSanitizedMultipliedByBuffer	(	SampleFrame *	dst,
		const SampleFrame *	src,
		float	coeffSrc,
		ValueBuffer *	coeffSrcBuf,
		int	frames )

Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst - sanitized version.

addSanitizedMultipliedByBuffers()

void lmms::MixHelpers::addSanitizedMultipliedByBuffers	(	SampleFrame *	dst,
		const SampleFrame *	src,
		ValueBuffer *	coeffSrcBuf1,
		ValueBuffer *	coeffSrcBuf2,
		int	frames )

Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst - sanitized version.

addSwappedMultiplied()

void lmms::MixHelpers::addSwappedMultiplied	(	SampleFrame *	dst,
		const SampleFrame *	src,
		float	coeffSrc,
		int	frames )

Add samples from src multiplied by coeffSrc to dst, swap inputs.

isSilent() [1/2]

bool lmms::MixHelpers::isSilent	(	const SampleFrame *	src,
		int	frames )

isSilent() [2/2]

bool lmms::MixHelpers::isSilent

(

std::span< sample_t >

buffer

)

multiply()

void lmms::MixHelpers::multiply	(	SampleFrame *	dst,
		float	coeff,
		int	frames )

Multiply samples from dst by coeff.

multiplyAndAddMultiplied()

void lmms::MixHelpers::multiplyAndAddMultiplied	(	SampleFrame *	dst,
		const SampleFrame *	src,
		float	coeffDst,
		float	coeffSrc,
		int	frames )

Multiply dst by coeffDst and add samples from src multiplied by coeffSrc.

multiplyAndAddMultipliedJoined()

void lmms::MixHelpers::multiplyAndAddMultipliedJoined	(	SampleFrame *	dst,
		const sample_t *	srcLeft,
		const sample_t *	srcRight,
		float	coeffDst,
		float	coeffSrc,
		int	frames )

Multiply dst by coeffDst and add samples from srcLeft/srcRight multiplied by coeffSrc.

sanitize()

bool lmms::MixHelpers::sanitize

(

std::span< sample_t >

buffer

)

Sanitizes a buffer of infs/NaNs, zeroing the entire buffer if any is detected.

Only performs sanitization when the NaN handler is active.

Returns

true if inf or NaN was detected

setNaNHandler()

void lmms::MixHelpers::setNaNHandler

(

bool

use

)

useNaNHandler()

bool lmms::MixHelpers::useNaNHandler

(

)