FFmpeg
Data Fields
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. More...
 
int ptr_align
 src and dst constraints for quantize() More...
 
int samples_align
 len constraints for quantize() More...
 
void(* dither_int_to_float )(float *dst, int *src0, int len)
 Convert dither noise from int to float with triangular distribution. More...
 

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
dstdestination float array, range -0.5 to 0.5
srcsource int array, range INT_MIN to INT_MAX.
ditherfloat dither noise array
lennumber 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 constraints 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 constraints 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
dstdestination float array, range -0.5 to 0.5 constraints: 32-byte aligned
src0source int array, range INT_MIN to INT_MAX. the array size is len * 2 constraints: 32-byte aligned
lennumber 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().


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