DitherDSPContext Struct Reference

#include <dither.h>

Data Fields
void(*	quantize )(int16_t *dst, const float *src, float *dither, int len)
	Convert samples from flt to s16 with added dither noise.
int	ptr_align
	src and dst constraits for quantize()
int	samples_align
	len constraits for quantize()
void(*	dither_int_to_float )(float *dst, int *src0, int len)
	Convert dither noise from int to float with triangular distribution.

Detailed Description

Definition at line 29 of file dither.h.

Field Documentation

void(* DitherDSPContext::quantize)(int16_t *dst, const float *src, float *dither, int len)

Convert samples from flt to s16 with added dither noise.

Parameters

dst	destination float array, range -0.5 to 0.5
src	source int array, range INT_MIN to INT_MAX.
dither	float dither noise array
len	number of samples

Definition at line 38 of file dither.h.

Referenced by dither_init(), ff_convert_dither(), and ff_dither_init_x86().

int DitherDSPContext::ptr_align

src and dst constraits for quantize()

Definition at line 40 of file dither.h.

Referenced by dither_init(), ff_convert_dither(), and ff_dither_init_x86().

int DitherDSPContext::samples_align

len constraits for quantize()

Definition at line 41 of file dither.h.

Referenced by dither_init(), ff_convert_dither(), and ff_dither_init_x86().

void(* DitherDSPContext::dither_int_to_float)(float *dst, int *src0, int len)

Convert dither noise from int to float with triangular distribution.

Parameters

dst	destination float array, range -0.5 to 0.5 constraints: 32-byte aligned
src0	source int array, range INT_MIN to INT_MAX. the array size is len * 2 constraints: 32-byte aligned
len	number of output noise samples constraints: multiple of 16

Definition at line 54 of file dither.h.

Referenced by dither_init(), ff_dither_init_x86(), and generate_dither_noise().

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

• libavresample/dither.h